BSD 4.4 Lite usr.sbin Sources

191 files changed, 47762 insertions, 0 deletions

diff --git a/usr.sbin/amd/Makefile b/usr.sbin/amd/Makefile
new file mode 100644
index 0000000..96405b8
--- /dev/null
+++ b/usr.sbin/amd/Makefile
@@ -0,0 +1,5 @@
+#       @(#)Makefile	8.1 (Berkeley) 6/6/93
+
+SUBDIR= amd amq fsinfo mk-amd-map
+
+.include <bsd.subdir.mk>
diff --git a/usr.sbin/amd/amd/ChangeLog b/usr.sbin/amd/amd/ChangeLog
new file mode 100644
index 0000000..2cd1807
--- /dev/null
+++ b/usr.sbin/amd/amd/ChangeLog
@@ -0,0 +1,1169 @@
+Sun Jun  7 19:01:37 1992  Jan-Simon Pendry  (jsp at achilles)
+
+	* Code cut for BSD 4.4 alpha.
+
+Sun May 31 17:28:52 1992  Jan-Simon Pendry  (jsp at achilles)
+
+	* (afs_ops.c) make sure error code is returned to user if there
+	is an immediate error in afs_lookuppn.
+
+	* (nfs_ops.c) clear out mountd port number after use.
+
+	* (nfs_ops.c) optionally (KICK_KERNEL) run lstat over the old
+	mount point.  This should go somewhere else more appropriate.
+
+Sun Mar 29 16:22:01 1992  Jan-Simon Pendry  (jsp at achilles)
+
+	* (mount_fs.c) FASCIST_DF_COMMAND is now defined as the fstype
+	you want df to see.
+
+	* (opts.c) fix buffer overrun in slash munging.
+
+	* (host_ops.c) add support for INFORM_MOUNTD.
+
+Sat Mar  7 10:23:04 1992  Jan-Simon Pendry  (jsp at achilles)
+
+	* (nfsx_ops.c) fix buffer overrun problem by allocating sufficient
+	memory.
+
+	* (afs_ops.c) fix dereference of free'ed memory when calling
+	assign_error_mntfs.
+
+	* (xutil.c) fix xmalloc and xrealloc to allow zero sized
+	allocation.
+
+	* (os-type) make it recognise aix3.2
+
+Sun Feb  9 13:14:54 1992  Jan-Simon Pendry  (jsp at achilles)
+
+	* Release 5.3 Beta
+
+	* hpux 8 support is still missing.
+
+	* (os-bsd44.h) merged in changes for new bsd nfs code.  still need
+	to add in lease and kerberos support.
+
+Sun Dec  1 16:20:21 1991  Jan-Simon Pendry  (jsp at achilles)
+
+	* (info_nis.c) changed so that it remembers if the NIS domainname
+	is set and doesn't repeatedly complain.  Message changed from an
+	Error to a Warning.
+
+	* (sfs_ops.c) added linkx fstype.  linkx is the same as link but
+	it also checks that the target exists.  This makes it useful for
+	wildcard map entries.
+
+	* (wire.c) applied changes from Dirk Grunwald.  Now stands a
+	better chance of correctly determining the network name.
+
+	* (map.c) changes in timeout_mp to cause second and subsequent
+	backgrounded unmount attempts to backoff and so reduce the chance
+	of running more than one backgrounded unmount at a time.
+
+	* (misc_rpc.c) bug fix from Martyn Johnson to avoid xdr_free'ing
+	the wrong piece of memory.  This was causing random core dumps,
+	often with a stack trace through pickup_rpc_reply.
+
+Sun Sep 15 21:16:38 1991  Jan-Simon Pendry  (jsp at achilles)
+
+	* Release 5.3 alpha 14.
+
+	* (os-osf1.h) merged in OSF/1 support.
+
+Sun Aug  4 18:25:04 1991  Jan-Simon Pendry  (jsp at achilles)
+
+	* (os-stellix.h) merged in Stellix support.
+
+	* (os-u4_2.h) merged in Ultrix 4.2 support.
+
+	* (host_ops.c) made TCP the default transport protocol.  Define
+	HOST_RPC_UDP somewhere to get UDP transport.
+
+	* (many) added support for ${remopts}.  Suggested by Steve
+	Heimlich.  remopts is the same as opts, but is used when the
+	remote server is not on the local network.  If it is not set it
+	defaults to whatever value ${opts} has.
+
+Tue May  7 22:30:00 1991  Jan-Simon Pendry  (jsp at achilles)
+
+	* Checkpoint for Berkeley network tape II.
+
+Sat May  4 22:06:24 1991  Jan-Simon Pendry  (jsp at achilles)
+
+	* New Berkeley Copyright.
+
+	* (mntfs.c) more short-circuiting in realloc_mntfs().
+
+	* (host_ops.c) increase RPC timeout to 20 seconds.
+
+	* (info_hes.c) now supports lookup in other domains.
+
+	* (srvr_nfs.c) call map_flush_srvr whenever a server comes up.
+
+	* (map.c) added hook to flush hung file servers.
+
+	* (wire.c) make loop step more portable.
+
+	* (util.c) fix for compiling on rios.
+
+Sun Apr 21 21:54:52 1991  Jan-Simon Pendry  (jsp at forest)
+
+	* (util.c) ignore EINVAL returned by rmdir().
+
+	* (am_ops.c, afs_ops.c) remove SunOS4 map compat code.
+
+	* (nfsx_ops.c) don't clear MFF_MOUNTING until finished mount attempts.
+
+	* (nfsx_ops.c) don't call sched_task more than once.
+
+	* (afs_ops.c) don't call afs_bgmount if a mount is in progress.
+
+	* (info_file.c) handle case where map ends with \
+
+Fri Apr  5 19:23:50 1991  Jan-Simon Pendry  (jsp at forest)
+
+	* Release 5.3 Alpha 12.
+
+	* (util.c) don't clear MFF_MOUNTING flag if mount is still in progress.
+
+	* (srvr_nfs.c) calls make_nfs_auth() as required.
+
+	* (host_ops.c) calls make_nfs_auth() as required.
+	
+	* (afs_ops.c) allow foreground mounts to return pending.  This is
+	used by nfsx_ops.c.
+
+	* (mapc.c) uses new RE_HDR abstraction coping with systems which
+	already have the re package installed.
+
+	* (nfsx_ops.c) automatically generates a suitable sublink to make
+	things work.  Remounts now work correctly, but are done in the
+	foreground so there is a possibility that things may hang.  This is
+	too hard to do differently.
+
+Wed Apr  3 17:49:05 1991  Jan-Simon Pendry  (jsp at achilles)
+
+	* (nfs_ops.c) HAS_NFS_QUALIFIED_NAME is a new compile time switch
+	which puts a qualified domain name into the RPC authentication
+	instead of using the default value.  Abstracted this out into new
+	routine called make_nfs_auth().
+
+	* (afs_ops.c) fixed bug which caused spurious ENOENTs to appear.
+	this was caused by some code motion which also got slightly
+	altered int the process.  moral: don't make two changes at once.
+
+Sun Mar 17 12:05:27 1991  Jan-Simon Pendry  (jsp at forest)
+
+	* Release 5.3 Alpha 11.
+
+	* (amq.8) Updated.
+
+	* (amq.c) Added new -v option which displays the version number of
+	the target Amd.  Also added support to Amd and reworked newvers
+	script.  Got rid of rcs_info.c.
+
+	* (mk-amd-map.c) Changed name of remove function to avoid clash
+	with ANSI C.
+
+	* (wire.c) Fixed to work with new 4.4BSD sockaddr's.
+
+	* Changed const to Const everywhere and added new define in config.h.
+
+	* (mk-amd-map.c) New -p option which just writes the output to
+	stdout.  Useful for making NIS or Hesiod maps.
+
+	* (amdref) Small updates and clarifications.
+
+Sat Mar 16 20:35:17 1991  Jan-Simon Pendry  (jsp at forest)
+
+	* (amq_subr.c) Flush request now flushes all internal caches.
+
+	* (amq_subr.c) Changed xdr_amq_mount_tree to return only the
+	required sub-tree.
+
+	* (ifs_ops.c) Added missing return 0; to ifs_mount.
+
+Sat Mar  9 19:31:25 1991  Jan-Simon Pendry  (jsp at forest)
+
+	* (get_args.c) Output the primary network interface information
+	with the -v option.
+
+	* (mapc.c) Fixed spurious warning about "root" map not supporting
+	cache mode "all".  Added new (unnamed) cache mode MAPC_ROOT.
+
+	* (info_nis.c) Fixed order number testing which was the cause of a
+	loop.
+
+Sun Mar  3 17:57:03 1991  Jan-Simon Pendry  (jsp at forest)
+
+	* Release 5.3 Alpha 10.
+
+	* Introduced new inet_dquad routine which prints IP addresses in
+	dotted quad format.  The C library routine is not used because it
+	uses a static buffer and it takes a structure argument on some
+	machines and unsigned longs on others.  This confuses the hell out
+	of some compilers and causes SEGVs.
+
+	* task_notify becomes do_task_notify to avoid clash with Mach.
+
+	* (mntfs.c) In realloc_mntfs, the private data field wasn't being
+	cleared out when the mntfs object was being re-used.  This meant
+	that the data might be used for the wrong mount, so causing
+	various obscure errors.
+
+	* (info_file.c) Reworked to provide support for map cache "sync"
+	option.
+
+	* (mapc.c) Added new "sync" option to map cache.  This ensures
+	that the cached data doesn't become stale wrt the source.
+	Currently this isn't implemented for passwd and hesiod maps.
+
+Wed Feb 27 11:38:07 1991  Jan-Simon Pendry  (jsp at forest)
+
+	* (afs_ops.c) Fixed pid put in fs_hostname for toplvl mount.
+
+Sun Feb 24 19:37:55 1991  Jan-Simon Pendry  (jsp at forest)
+
+	* (wire.c) New module which determines the name of the primary
+	attached network.  This could be used to determine which
+	server to use.
+
+	* (srvr_nfs.c) Changed mount daemon port mapping caching.  This is
+	now much more eager to recompute the mapping than before.  Will
+	also now work even if pinging is switched off (for example "tcp").
+
+	* (info_nis.c) Added back old NIS reload code to allow NIS maps to
+	support "regexp" caching.
+
+	* (mapc.c) Added support for "regexp" caching.  This is a type of
+	map cache where the entries are all REs to be matched against the
+	requested key.  This implies "all" since all the keys must be
+	loaded for the search to work.
+
+Sat Feb 23 15:32:43 1991  Jan-Simon Pendry  (jsp at forest)
+
+	* (afs_ops.c) Avoid spurious error messages about discarding a
+	retry mntfs.
+
+	* (amq_subr.c) Removed inet_ntoa call due to disagreement between
+	gcc and libc about 4 byte structure passing.
+
+	* (xutil.c) Changed way initial logging is done to make command
+	line more usable.  Default logging flags are set statically and
+	can then be modified by -x options.  At the end an additional call
+	to switch_option is made to initialise xlog_level_init.
+
+	* (umount_fs.c) ENOENT now treated the same as EINVAL.  If the
+	filesystem gets removed and the mountpoint deleted then just
+	assume the filesystem isn't there - which it isn't.
+
+	* (host_ops.c) Now copes with unmount failures by attempting to
+	remount the filesystems which had been unmounted.
+
+	* (host_ops.c) Added check during fhandle collection to detect
+	duplicate entries in the export list (from Stefan Petri).
+
+	* (nfsx_ops.c) Reworked to correctly keep track of what is and
+	isn't mounted.
+
+Sun Jan 27 16:58:02 1991  Jan-Simon Pendry  (jsp at achilles)
+
+	* (misc-next.h) Added missing NeXT config file.
+
+	* Merged Harris HCX/UX support from Chris Metcalf.
+
+	* (ifs_ops.c) added ifs_fmount entry point to keep nfsx_ops happy.
+
+Sun Jan 13 18:19:19 1991  Jan-Simon Pendry  (jsp at beauty)
+
+	* (nfsx_ops.c) play with opt_fs field to make sure it is unique.
+
+Fri Dec 21 15:35:45 1990  Jan-Simon Pendry  (jsp at forest)
+
+	* Release 5.3 Alpha 9.  This is still not Beta!
+
+	* (host_ops.c) use normalized hostname in mtab entries, from
+	Chris Metcalf.
+
+	* (map.c) enum ftype -> ftype, from Andrew Findlay.
+
+Mon Dec 17 01:11:25 1990  Jan-Simon Pendry  (jsp at beauty)
+
+	* (amdref.texinfo) merged in fsinfo documentation from Nick.
+
+Sat Dec 15 15:39:07 1990  Jan-Simon Pendry  (jsp at beauty)
+
+	* (clock.c) minor tweaks to messages.
+
+	* (sfs_ops.c) make the opt_fs field unique, rather than always
+	".", but make sure it still begins with a "." to avoid a clash
+	with any other existing mounts.
+
+	* (amd.c) changed way local IP address is obtained to avoid using
+	a call to the name server.  It was observed that if the power to
+	the building goes and everything reboots simultaneously then there
+	would be a good chance that the nameserver would not recover
+	before Amd on another machine required it.  This happened :-)  Now
+	use the RPC get_myaddress call.
+
+	* (info_hes.c) added hesiod_reload code from Bruce Cole.
+	Optionally compiled when HAS_HESIOD_RELOAD is defined.
+
+	* (amq_subr.c) fix "security" check.
+
+	* (amq.c) make sure a privileged port is allocated.  In fact
+	RPC3.9 and newer make this guarentee but older versions don't so
+	we do it here.
+
+Sun Dec  2 21:30:07 1990  Jan-Simon Pendry  (jsp at achilles)
+
+	* (afs_ops.c) fixed problem with pointer pre-increment.
+
+Mon Nov 19 00:31:28 1990  Jan-Simon Pendry  (jsp at achilles)
+
+	* (nfs_ops.c) saved filehandle with mntfs structure.  this allows
+	nfsx unmounts to be undone even if the filehandle cache has lost
+	the entry.  all of this is bogus and deserves a rewrite...
+
+Sun Nov 18 22:55:43 1990  Jan-Simon Pendry  (jsp at achilles)
+
+	* (nfsx_ops.c) now handles mounts of root filesystem correctly.
+
+	* (afs_ops.c) fixed dfs_ops definition to call toplvl_mounted when
+	done, so making sure that a map cache reference is set up.
+
+Sun Nov 11 21:09:34 1990  Jan-Simon Pendry  (jsp at achilles)
+
+	* (fsinfo/wr_fstab.c) has per-ostype fstab rules.
+
+	* (fsinfo/fsi_lex.l) now works correctly with flex.
+
+Mon Nov  5 00:08:30 1990  Jan-Simon Pendry  (jsp at achilles)
+
+	* Release 5.3 Alpha 8.  No more new features from now to 5.3Rel.
+	Call next one Beta.
+
+	* (amdref.texinfo) more updates.
+
+	* (info_union.c) reload routine now adds a wildcard pointing to
+	the last named directory so that new files get created correctly.
+
+Sun Nov  4 22:02:50 1990  Jan-Simon Pendry  (jsp at achilles)
+
+	* (os-u4_0.h) Ultrix 4.0 support merged.
+
+	* (os-utek.h) Utek 4.0 support merged.
+
+	* (amdref.texinfo) fixed & updated.
+
+	* (nfsx_ops.c) reworked string munging to prevent ..//.. strings
+	from occuring.
+
+	* (util.c) am_mounted now correctly updates the am_node for
+	duplicate mounts.
+
+	* (afs_ops.c) added union fstype.  derived from "toplvl" except it
+	causes all the filesystems to be mounted.  cannot be used for
+	filesystem types whose mounts may be defered (eg nfs) since it
+	doesn't retry the mounts.
+
+	* (info_union.c) map type for union fstype support.  currently
+	can't handle being given automounted filesystems - causes a
+	deadlock.
+
+Sun Oct 21 22:56:16 1990  Jan-Simon Pendry  (jsp at achilles)
+
+	* (fsinfo/*) finally integrated the fsinfo package.  currently no
+	documentation or man page.  this is a pre-req to getting mmd up.
+
+Sun Oct 14 20:02:11 1990  Jan-Simon Pendry  (jsp at achilles)
+
+	* (amdref.texinfo) reworking of documentation continues.
+
+	* (clock.c) reschedule_timeouts() now called in the event that the
+	system clock goes backwards.  this is possible during the average
+	bootstrap juggling act with timed/xntpd etc.  especially useful if
+	your machines TOY clock gets way ahead of time.
+
+Sat Oct  6 19:57:55 1990  Jan-Simon Pendry  (jsp at achilles)
+
+	* (map.c) when expanding the filehandle for a server which is
+	down, don't update the ttl on the original node unless a new node
+	gets allocated.  this should give the original mount a chance to
+	go away as soon as the server comes back.
+
+	* (arch, os-type) Updated.
+
+	* (nfs_ops.c) Added "noconn", "spongy" and "compress" mount
+	options for 4.4 BSD.
+
+Sun Sep 30 18:37:54 1990  Jan-Simon Pendry  (jsp at beauty)
+
+	* Release 5.3 Alpha 6.
+
+	* (util.c) domain_strip now doesn't leave partial domains behind.
+	if it can't strip the complete domain it leaves the string untouched.
+
+	* (restart.c) remember to initialise opt_opts field from mtab.
+
+	* (nfs_ops.c) supports "nocto" option for SunOS4.1.
+
+	* (os-irix.h) new SGI Iris port.
+
+	* (os-next.h) new NeXT port.
+
+	* (os-dgux.h) new DG/UX port.
+
+	* (many) fixed problem where mf_opts was being used for two
+	different purposes.  Now have two fields.
+
+	* (mapc.c) error map prints error message whenever used.
+
+	* (mapc.c) wildcard code rewritten.
+
+	* (util.c) slpit into two parts - some code now in xutil.c.  This
+	is used by mmd (not yet shipped).
+
+Sun Aug 19 19:58:16 1990  Jan-Simon Pendry  (jsp at achilles)
+
+	* (srvr_nfs.c) reduce verbosity of "nfs server yoyo is ok" messages.
+
+	* (opts.c) fix deslashification in expand.
+
+	* (nfs_start.c) amq registering done just before the server kicks
+	in.  running amd with nothing to do leaves the portmapper in peace.
+
+	* (mapc.c) bootstrap code abstracted to allow AMQ_MOUNT entry point.
+
+	* (nfsx_ops.c) new filesystem type, supporting groups of nfs
+	mounts.  needs abstracting to allow groups of (*) mounts.
+
+	* (am.h, *_ops.c) am_ops structure changed; corresponding changes
+	in the filesystem implemention source.  Change was to allow nfsx
+	filesystem implementation.
+
+	* (amd.c) hostname defaults to "localhost" startup code re-ordered
+	so that logging still works in case things go wrong early.
+
+	* (am_ops.c) new routine to print list of available fs types; used
+	by the -v option.
+
+	* (info_file.c) bug fix to make reloads work correctly.
+
+	* (mtab_file.c) does locking on single write, to avoid trashing
+	mount table when a mount and unmount are done at the same time.
+
+	* (mount_fs.c) automount hack removed since afs_ops no longer
+	needs it.
+
+	* (afs_ops.c) split "auto" into several other filesystem types.
+	Now much cleaner.
+
+	* (amq.c) new -M option.
+
+	* (amq_subr.c) support for AMQ_MOUNT added.
+
+	* (amq.x) new AMQ_MOUNT RPC call allows mount map entries to be
+	passed in at run-time.  Automount points can now be added
+	dynamically, but not yet deleted.
+
+Sat Jun 23 22:12:48 1990  Jan-Simon Pendry  (jsp at beauty)
+
+	* Release 5.2 for Berkeley.
+
+	* (*) Re-organised source code layout.  Now much more complicated.
+
+	* (map.c) code which flushed the kernel name cache is not really
+	needed now that the modify times on the automount directories are
+	correctly updated so ifdef the whole lot.  Remove later...
+
+	* (map.c) make sure that the automount directories modify times
+	are updated when a change occurs so that the nfs client code can
+	decide when to update its name cache.
+
+	* (srvr_nfs.c) fixed bug which caused mounted filesystems to
+	appear down when they were up.
+
+	* YP becomes NIS.
+
+Mon May 28 19:50:34 1990  Jan-Simon Pendry  (jsp at achilles)
+
+	* (amd.tex) substantially updated with more explanation of the
+	theory and more examples.
+
+	* (nfs_stubs.c) statfs now claims to have a single used block.
+	Avoids ambiguity between 100% and 0% full.
+
+	* (nfs_stubs.c) changed to allow the size of symlinks optionally
+	to be accurate wrt the length of the string returned.  Optional
+	because it is cheaper to ignore the length when doing a getattr
+	and just send any length for the readlink.  However, this breaks
+	on some systems (e.g. Ultrix).
+
+	* (mount_fs.c) automount points get marked type "nfs" instead of
+	"ignore".  This is to fix an interaction with getwd().  Can go
+	away when getwd() gets re-written.  Really only applies to SunOS4
+	but change applies to everything to keep consistent across platforms.
+
+	* (mount_fs.c) abstracted out mount options into a table and
+	corresponding loop.
+
+	* (srvr_nfs.c) make sure portmap information is available when
+	needed, not just after a ping has succeeded.  This needed changing
+	after the ping algorithm got changed.
+
+	* (mntfs.c) fixed incorrect reference to mf_error instead of mf_flags.
+
+	* (nfs_start.c) keep track of number of fds in use, so don't run
+	select on system maximum (which is bad news if you have a large
+	system maximum).
+
+	* (host_ops.c) new NFS tree mount filesystem type (ala Sun -hosts).
+
+	* (nfs_ops.c) abstracted out NFS mount code to support host_ops.
+
+	* (afs_ops.c) dfs_readlink now returns the am_node, instead of the
+	link.  This allows getattr to return the correct set of attributes
+	so keeping Ultrix happy.
+
+	* (afs_ops.c) Make certain the hostname field given to mount()
+	does not get too long - otherwise random EINVAL errors occur.
+
+	* Putting closing comments on all #endif's
+
+Sun May 13 16:07:21 1990  Jan-Simon Pendry  (jsp at achilles)
+
+	* (srvr_nfs.c) second rewrite of NFS ping algorithm.
+
+Sun Apr 29 21:12:33 1990  Jan-Simon Pendry  (jsp at achilles)
+
+	* (nfs_stubs.c) re-arranged readlink code to avoid need to
+	pre-mount a direct filesystem whenever possible.
+
+	* (host_ops.c) finally incorporated new module to support /net
+	mount point.
+
+Sat Mar 24 13:18:47 1990  Jan-Simon Pendry  (jsp at achilles)
+
+	* (nfs_stubs.c) workaround added to rename entry point to avoid
+	arguments with NFS client code.
+
+	* (srvr_nfs.c) changed the way NFS pings are done and cleaned up
+	the process for deciding when a server is up or down.  Now there
+	is just a simple time limit on a reply from the server.  The limit
+	is adjusted depending on whether the state of the server is known.
+
+	* (opts.c) fixed bug with ${var/} expansion et al.  Added ${varN}
+	N = 0..7 for use as scratch variables.
+
+	* (mntfs.c) fixed bug in dup_mntfs().
+
+Thu Jan 11 16:56:41 1990  Jan-Simon Pendry  (jsp at achilles)
+
+	* Release 5.1c.
+
+	* (amq*) has new options.  -f flushes the map cache and -m prints
+	information about mounted filesystem and fileservers.
+
+Tue Jan  2 14:44:21 1990  Jan-Simon Pendry  (jsp at achilles)
+
+	* (util.c) am_mounted() patches the path for "direct" mounted
+	filesystems - cosmetic.
+
+	* (afs_ops.c) when possible sets a small kernel attribute cache
+	timeout on the automount points.
+
+	* (nfs_stubs.c) delete() and rmdir() operations implemented.  Used
+	when a mount point is timed out so the kernel name cache gets to
+	know about the changes.  Fixes most ESTALE errors.
+
+	* (nfs_stubs.c) New do_readlink() function added.  This is used to
+	make sure that a filesystem is mounted at the time a link is read
+	in the case of "direct" mounts.  Done so that the length of the
+	link is available when the initial getattr is done on the mountpoint.
+
+	* (sfs_ops.c) Changed implementation to avoid race conditions.
+	The link target is re-arranged so that sublink points to the
+	target and fs always points at ".".
+
+	* Fixed mount flag bug on Ultrix.
+
+	* Added support from Sjoerd Mullender for Alliant FX/4 and Encore
+	Multimax.
+
+Thu Dec  7 17:55:29 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* (afs_ops.c) dfs_readlink now does a new_ttl on the node it
+	returns.
+
+	* (afs_ops.c) next_nonerror_node now implements the task after
+	which it is named.
+
+Tue Nov 28 17:20:52 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* Release 5.1b.
+
+	* (restart.c) Generates link nodes for any unrecognised filesystem
+	types and then marks them so that they are never deleted (since
+	they could never be automounted later).
+
+	* (os-*.h) Irrelevant #undef's deleted.
+
+	* (arch) Now knows about AIX on RTs.
+
+	* (amq.c) Rationalised the output.  Now only gives you what you
+	asked for.
+
+	* (am.h) New macro: FSRV_ISDOWN(fs), which checks whether a
+	fileserver is down.
+
+	* (afs_ops.c) When a mount fails due to a timeout the underlying
+	filesystem is ripped away and replaced with an error fs.  This
+	avoids the possibility of being left with a single error reference
+	to a valid mounted filesystem.
+
+Thu Nov 23 18:04:29 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* (nfs_start.c) Re-order bootstrap sequence to avoid potential
+	deadlock if restart() ends up accessing one of the automount points.
+
+	* (amq.c) Don't produce default mount output if one of the -l, -x
+	or -D options was used.
+
+	* (umount_fs.c) Add alternative unmount routine for 4.4 BSD.
+
+Mon Nov 20 16:22:50 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* (os-bsd44.h) Fixed redefinition of UMOUNT_FS.
+
+	* (info_ndbm.c) Added missing #include <sys/stat.h>.
+
+	* (mapc.c) Fixed typo in ifdef around gdbm config entry.
+
+Sat Nov 18 16:39:13 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* (util.c) If "/" is automounted, make sure it is never timed out.
+
+	* (mtab.c) Missing clock invalidation added in read_mtab (from a file).
+
+	* (mntfs.c) realloc_mntfs simplified.
+
+	* (map.c) Closed a race condition during shutdown when second and
+	subsequent duplicate mounts were deleted prematurely.
+
+	* (afs_ops.c) Duplicate mounts are now given the correct return
+	code.
+
+Fri Nov 17 18:58:18 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* 5.1 Release.
+
+Thu Nov 16 17:57:02 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* (mntfs.c) Make sure inherit mntfs structures are not cached
+	after last reference; otherwise a second reference to the
+	inherited filesystem will get stuck on the inherit rather than the
+	(now) fully mounted filesystem.
+
+	* (am.c, nfs_start.c) After forking the server, make sure the
+	parent does not exit until the automount points are mounted.  This
+	allows a clean sequence during system startup.
+
+	* Initial port to 4.4 BSD.  Several new configuration abstractions
+	were added to make this port possible.
+
+Thu Nov  9 21:42:14 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* (afs_ops.c, opts.c) Added map logging to facilitate mount map
+	debugging without needing a -DDEBUG version of Amd.
+
+	* (afs_ops.c) Make sure the length of the fs_hostname mount
+	parameter does not exceed MAXHOSTNAMESZ.
+
+Wed Nov  8 13:44:02 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* Change the message log format to indicate the severity of the
+	message to allow simpler analysis of the log file.
+
+Tue Nov  7 14:11:36 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* 5.0 Patchlevel 11.
+
+	* (os-bsd44.h) Initial guess at 4.4 BSD definitions.
+
+	* (os-aux.h) Port for Macintosh II from Julian Onions.
+
+	* (amq.c) Output formats cleaned up.  AMQ_MNTTREE is still broken
+	in amq_subr.c though.
+
+	* (afs_ops.c) If a mount timed out, for example an NFS server was
+	down at the time, it was possible for the error code to remain
+	unset thus jamming that mount node in a state from which it could
+	not recover.  Just make sure that the mf_error field gets filled
+	in when an error occurs.
+
+	* (afs_ops.c) strsplit is run over /defaults to avoid problems
+	with whitespace creeping in.
+
+Sun Nov  5 11:50:51 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* (util.c) am_mounted: Added missing initialisation of stats.s_mtime.
+
+Fri Nov  3 17:33:02 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* 5.0 Patchlevel 10.
+
+	* Changed the copyright.
+
+Thu Nov  2 17:07:53 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* 5.0 Patchlevel 9.
+
+	* (opts.c) new option syntax: == != :=
+
+	* (nfs_ops.c) Less caching of filehandles.  Now cached errors are
+	discarded after use.
+
+	* (mtab.c) now attempts to deal with a lack of open file slots (ENFILE).
+
+	* (mount_fs.c) automount entries in the mount table now have a
+	dev= entry in the same way as NFS and UFS.
+
+	* (mntfs.c) mntfs nodes are now cached after the last reference
+	and discarded <ALLOWED_MOUNT_TIME> seconds later.  This avoids
+	thrashing during a mount.
+
+	* (mapc.c) map default cache mode is now selected with
+	"mapdefault", not "default"
+
+	* (amd.tex) numerous clarifications.  Still more work required...
+
+	* (amq_subr.c) now allows the -x option of amq to operate.
+
+	* (afs_ops.c) afs_bgmount now keeps track of which filesystem
+	needed retrying and ensures that the mount node in the
+	continuation correctly points at an unmounted filesystem.  This
+	fixes a problem whereby a valid mounted filesystem could appear to
+	have failed to mount.
+
+	* Configure now gives more of a running commentary and checks
+	whether os-type and arch actually worked.
+
+	* Allow spurious ';'s in a mount location.
+
+Fri Oct 27 14:03:31 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* foo=blah changed to foo:=blah, foo==blah and foo!=blah.
+
+	* -l stderr changed to -l /dev/stderr.
+
+Thu Oct 19 15:34:28 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* 5.0 Patchlevel 6.
+
+	* LOG_INFO messages have been rationalised so that some
+	statistics, graphs and so on can be generated.
+
+	* Transaction ID's for RPC calls are now allocated by the
+	individual callers, rather than from a central pool.  This
+	decreases the load on mount daemons and NFS servers since the
+	same XID is used for retries when needed.
+
+	* Many fine details of the new data structures have been changed.
+	Some areas have been optimized.
+
+Fri Oct 13 12:31:26 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* Restart code re-implemented to work with the new data structures.
+
+	* Fine tuning applied to new NFS server modeling code.
+
+Thu Oct 12 15:57:24 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* Added ${/var} and ${var/} variable expansions.  The first gives
+	the "basename" component of the variable, the latter gives the
+	"dirname" component.  Additionally, spurious /'s are deleted after
+	the variable expansions is complete.
+
+	* Added new -C option to allow the machine's cluster name to be
+	given to amd.  ${cluster} fetches the value and can be used as
+	another selector.
+
+	* Broken the major data struct (am_node) into three layers:
+	am_node (one for each automount node), mntfs (one for each mounted
+	filesystem) and fserver (one for each file server).  Machine
+	up/down state is maintained in the fserver layer.  Filesystem
+	mount/unmount state is maintained in the mntfs layer.  This change
+	fixes the last known major problem caused by the lack of a central
+	focus for filesystem and fileserver status.  There is a dummy file
+	server layer for local filesystems (ufs, link, program, error).
+
+Tue Oct 10 11:15:42 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* 5.0 Patchlevel 5.
+
+	* (nfs_ops.c) the filehandle cache is now flushed when a
+	filesystem is unmounted.  This avoids ending up with stale
+	information if a server bounces.
+
+	* (clock.c) new module to implement callouts.  Many other
+	routines changed to use callouts instead of messing with ttl
+	fields.
+
+Sun Oct  1 17:08:20 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* 5.0 Patchlevel 3 & 4.
+
+	* Numerous cleanups.
+
+Wed Sep 13 14:30:05 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* 5.0 Patchlevel 2.
+
+	* (nfs_ops.c) portmap information is not remembered beyond the
+	basic filehandle cache interval.  That avoids problems when a new
+	portmap and/or rpc.mountd is started and the bound port changes.
+
+	* (mapc.c) cache reloads are automatically done every hour.
+
+	* Removed xlog macro in favour of plog() so that the log level
+	can be reflected through to syslog().  log() routine renamed to
+	plog() which takes an extra parameter indicating the log level.
+
+Tue Sep  5 20:00:19 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* (nfs_ops.c) when a server is known to be down, any cached file
+	handles and port mapping informaton is flushed since that may have
+	changed when it comes back up.
+
+	* (map.c) timeout no longer attempts to unmount a hung mount point.
+
+Mon Sep  4 14:49:18 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* (afs_ops.c) a mount node which timed out during mount is now
+	retained for the normal timeout interval rather than for a short
+	period.  This avoids wasting time retrying mounts from a server
+	which is down.
+
+	* (afs_ops.c) hung mounts are now detected and not used as a
+	duplicate mount - something which defeated the replacement fs
+	scheme.
+
+	* (nfs_ops.c) keepalive's now back-off when a server has gone
+	down.
+
+Thu Aug 31 21:18:35 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* 5.0 Patchlevel 1.
+
+	* Fixed several bugs which showed up in the keepalive
+	implementation when a gateway went down causing
+	a different sequence of errors than usual.
+
+Wed Aug 30 11:29:21 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* (amq.x) now uses a Sun assigned program number.
+
+	* Revision 5.0 - can now start using metaconfig.
+
+Tue Aug 29 14:36:48 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* (os-u3_0.h, os-type) now knows about DECstations (mips).
+
+	* (nfs_stubs.c) Added hooks to readlink entry point to call
+	per-fs readlink routine if it exists, otherwise old behaviour.
+
+	* (afs_ops.c) Added implementation of "type=direct".  This is
+	the same as "type=auto" but is itself the link to the
+	mount point, rather than being a directory containing a list
+	of links to mount points.
+
+Mon Aug 28 17:48:15 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* (afs_ops.c) Changed readdir to workaround a problem on
+	ultrix 3 where it seems to forget that eof has been reached.
+
+Thu Aug 24 15:17:55 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* Created "beta16".
+
+	* (afs_ops.c) /defaults is located along with every key.
+	this makes it possible to update the /defaults in
+	a map and get to use it.
+
+	* (mapc.c) added map cache synchronization support.  if
+	a file or ndbm map is updated the cache is junked so avoiding
+	things getting out of sync.
+
+Wed Aug 23 19:17:52 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* (os-u3_0.h) new file to support Ultrix 3.0
+
+	* (opts.c) allow environment variables to be accessed via
+	the same ${env} syntax used for options & selectors.
+
+Tue Aug 22 13:19:49 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* (opts.c, get_args.c) added support for kernel architecture
+	type to allow /usr/kvm to be automounted under SunOS 4.x.
+
+	* (os-xinu43.h) updated for june '89 release of MORE/bsd.
+
+	* (opts.c) fixed memory allocation problems where some strings
+	may not have been strdup'ed before they were free'ed so causing
+	the malloc arena to get into a twist.  This caused core dumps on
+	some machines and infinite loops on others.
+
+	* (*.c) clock handling is now done by a macro.  Global variable
+	clock_valid is > 0 (ie the time) when valid, 0 if invalid.
+
+	* (map.c) timeout code survived a complete rewrite and is now
+	O(n) rather than O(n^2).
+
+	* (info_hes.c) new database hooks for Hesiod nameserver.
+
+	* (get_args.c) the local sub-domain is picked up from the
+	hostname if it is not specifed with -d.  The subdomain is
+	then stripped from the hostname.
+
+	* (am.c) when a SIGTERM is received, an immediate abort
+	occurs - only the top-level automounts are unmounted; all
+	other mounts stay -- use amd -r to restart.
+
+	* (afs_ops.c) cleaned up key prefix handling.  Again updated
+	the "hostname" string passed to the kernel so that includes
+	the hostname, pid and mount point.
+
+Tue Aug  8 16:05:23 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* (nfs_ops.c) changed the way the file handle cache is managed.
+	No longer gets a race condition between something entering the
+	cache and being used and discard.
+
+Tue Jul 25 20:40:51 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* (map.c) changed fh_to_mp2 so that it does not return
+	ESTALE during shutdown.  it returns ENOENT instead which
+	avoids thrashing with the kernel.
+
+Sun Jul 23 15:06:10 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* (afs_ops.c) make sure the incoming key from the kernel
+	does not contain any characters which could cause trouble
+	during macro expansion (such as `"! etc).
+
+	* (afs_ops.c) fixed contruction of "mtab" entry.
+
+Fri Jul 21 11:01:05 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* (afs_ops.c) some changes to support the new startup
+	shutdown scheme.
+
+	* (map.c) startup and shutdown are now done using the
+	standard interfaces.  Startup is done by creating a
+	private cache map  ";root;" and then doing lookups
+	on all the names in it.  Shutdown is done by forcibly
+	timing out all the mount points including the automount
+	points.
+
+	* (info_*.c) modified to provide interface required by
+	mapc.c module.
+
+	* (mapc.c) new module to implement map caching.  Caching
+	can be controlled by an fs option.  "all" means cache
+	the entire map (if possible).  "inc" means cache things
+	incrementally.  "none" means never cache things.  Each
+	map type has a default caching mode which is used if
+	cache option "default" is used.
+
+Wed Jul 19 16:14:52 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* (sched.c) implements a general sleep/wakeup scheme and uses
+	it for sub-process handling.
+
+	* (nfs_start.c) task_notify() called from where it used to
+	be called.
+
+	* (nfs_ops.c) now implements a non-blocking rpc library.
+	Everything in nfs_ops was changed to use it.  This should
+	not be in this file and will be moved later.
+
+	* (map.c) if a mount point times out and it is deferred then
+	issue a wakeup so that it can be retried.
+
+	* (map.c) when creating a new mount point fetches the entry
+	"/defaults" from the associated map if no other options are
+	specified.
+
+	* (am.c) implements the -p (print process id) option.
+
+	* (afs_ops.c) a mount attempt now has a time-to-live of twenty
+	seconds.  if only deferred attempts are waiting after that
+	interval the kernel gets sent ETIMEDOUT.
+
+	* (afs_ops.c) the name by which the kernel knows the filesystem
+	has changed from pid%d@host to /mountpoint@host.  That looks
+	better to users who get hit by it.
+
+Fri Jul 14 18:46:16 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* (afs_ops.c) now knows about defered mounts - mounts which
+	are not in progress, not completed, and not failed.
+
+	* (sched.c) added new entry point sched_ast().  This simulates
+	a completed job.  The basic idea is to let something else return
+	to the main scheduling loop with a guarentee that it will be
+	called back when some other action has taken place.
+
+	* (nfs_ops.c) implemented a file handle cache.  The nfs_init
+	routine starts up a request for the filehandle and the mount
+	routine uses it when it arrives.
+
+Thu Jul 13 18:07:58 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* (afs_ops.c) found a race condition between an error occuring
+	and the am_node being timed out.  Fixed by updating the
+	time-to-live and keepalive counters in the node whenever
+	AMF_MOUNTING is cleared.  Also changed afs_lookuppn() so that
+	it doesn't destroy the node when it returns the error code.
+	This stops thrashing and the node is eventually timed out.
+	Now the only way a node gets deleted is by the timeout code
+	which seems more elegant.
+
+Tue Jul 11 15:36:44 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* Created "beta15".
+
+	* Fixed *all* references to "u2.2".  Some where missed in
+	the original change.  They are now u2_2.
+
+	* (mk-amd-map.c) new command.  Converts plain files into
+	ndbm databases for use by the info_ndbm module.  Hooks
+	included for future support for gdbm just as soon as I
+	can get a copy.
+
+Sun Jul  9 19:00:22 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* Created "beta14".
+
+	* (get_info.c) code to handle yp and files now split into
+	new files info_yp.c and info_file.c  New support for ndbm
+	databases is in info_ndbm.c.  A table in get_info.c controls
+	what and in which order things are searched.
+
+	* (map.c, nfs_stubs.c) better handling for hung mount points.
+	if a filehandle is passed in by the kernel which references
+	a hung node, then try to find a replacement, possibly by calling
+	lookup explicitly.
+
+	* (*.c) use new xlog(level)(message) interface
+
+Thu Jun  8 20:28:55 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* (nfs_ops.c, ufs_ops.c) when compiled with DEBUG, display
+	the fs options being used.
+
+	* (am.c) make test for root a little more polite.
+
+	* (get_args.c) update Usage message to include -r option.
+
+Wed Jun  7 16:28:51 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* (rpc_fwd.c) fwd_reply: if the recvfrom call fails because it
+	is interrupted then try again.
+
+Tue Jun  6 16:39:15 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* Created "beta12".
+
+	* (afs_ops.c) inheriting mount option list from command line
+	is now cumulative.  A -foo on the command line is prepended
+	to the default option list taken from the map.  This can be
+	used to override the ``default default'' options in opts.c.
+
+	* (get_args.c, am.c) added new -r (restart) option.  Restart of
+	mounted filesystems is only done if this option is specified.
+	[Should *not* be specified in /etc/rc.local of course. - wrong]
+
+	* (yp_master.c) make the enumeration error message more verbose
+	when debugging is enabled.
+
+	* (rpc_fwd.c) rearranged some declarations at the top.  Removed
+	a spurious call to free which was causing grief on some systems,
+	but not on Sun's.  [This problem was the reason for implementing
+	the -D mem option.]
+
+	* (opts.c) make sure opt_key and opt_path are set to a zero
+	length string unless otherwise specified.  Previously they
+	were a source of dangling pointers.
+
+	* (nfs_ops.c) make sure that the allocated nfs_private identifiers
+	are unique even when some filesystem are being restarted.  This mean
+	starting the basic allocation from 1, not zero.
+
+	* (am.h, get_args.c, util.c) added definition and implmentation of
+	a simple memory allocation trace (D_MEM).
+
+	* (afs_ops.c) afs_lookuppn: tightened up memory allocation and
+	delay string copying until last possible moment.
+
+Mon Jun  5 18:01:18 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* (Makefile.com) diffs: added new rule to generate diffs
+	between versions.
+
+	* (get_info.c) search_file: added a new dlog() to note when
+	wildcards are returned.
+
+	* (afs_ops.c) afs_lookuppn: call to init_map specifies efs as
+	the default ops structure.  If the location list only contained
+	defaults and no real mounts then this previously caused a null
+	pointer dereference.
+
+	* (map.c) last_used_map: Added new variable.  Keeps track of the
+	last used map, which may be wildly different from first_free_map.
+	This fixes bugs in several routines in this file.
+
+	* (util.c) mkdirs, rmdirs: Changed directory make/unmake.  It is
+	not possible to quickly determine how many directories need to
+	be created or deleted, so we try to make as many as possible.
+
+	* (opts.c) Added default values for rfs, rhost and fs.
+	The new defaults guarentee unique names to allow the NFS
+	keepalive stuff to work.
+
+Sun Jun  4 16:12:15 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* First draft of documentation included in the next release.
+
+	* Hooks for TFS added, though this still requires a lot of work.
+
+	* Re-implemented option handling.  Options are now allocated
+	dynamically on a per-mount basis in the continuation structure.
+
+	* Changed os type u2.2 to u2_2 to allow for regular expression
+	matching in selectors.
+
+	* Format of mount maps is now entirely different.  Instead of
+	guessing which filesystem type is being used, it is now explicitly
+	stated along with the required options.  Variable expansion is
+	done on the options and selectors are also implemented.  The
+	requested name can also contain any of the selectors.
+
+Wed May 24 15:21:39 1989  Jan-Simon Pendry  (jsp at achilles)
+
+	* Re-implemented NFS ping algorithm to use the new RPC forwarding
+	system.  This allowed a large amount of nfs_ops specific code
+	to be removed from nfs_start.c and moved to nfs_ops.c.
+	There is still no strategy for hung file systems.  At the moment
+	it will merely try to mount an alternative (or the same again)
+	to the same place in the file system.
+
+	* Added RPC forwarding package.  This supports general RPC gatewaying
+	over a UDP transport.  The idea is to put a packet identifier into
+	each outgoing RPC packet and then match that up in a database when
+	a reply comes in.  The database records the original packet identifier
+	(so that it can be replaced), the source address for the packet and
+	a function to call to do the forwarding.
+
+	* ChangeLog added between beta8 and beta9.  Should have done this sooner.
diff --git a/usr.sbin/amd/amd/Makefile b/usr.sbin/amd/amd/Makefile
new file mode 100644
index 0000000..328fd80
--- /dev/null
+++ b/usr.sbin/amd/amd/Makefile
@@ -0,0 +1,33 @@
+#	@(#)Makefile	8.2 (Berkeley) 4/22/94
+
+PROG=	amd
+MAN8=	amd.0
+OS=	bsd44
+SRCS=	afs_ops.c am_ops.c clock.c util.c xutil.c \
+	efs_ops.c mapc.c info_file.c info_hes.c \
+	info_ndbm.c info_passwd.c info_nis.c \
+	info_union.c map.c srvr_afs.c srvr_nfs.c \
+	mntfs.c misc_rpc.c mount_fs.c mount_xdr.c \
+	mtab.c mtab_bsd.c nfs_ops.c nfs_prot_svc.c \
+	nfs_start.c nfs_subr.c nfs_prot_xdr.c opts.c \
+	pfs_ops.c rpc_fwd.c sched.c sfs_ops.c amq_svc.c \
+	amq_subr.c umount_fs.c host_ops.c nfsx_ops.c \
+	ufs_ops.c ifs_ops.c amd.c get_args.c restart.c wire.c
+OBJS+=	vers.${PROG}.o
+LDADD+= -lrpc
+CFLAGS+=-I${.CURDIR}/../rpcx
+CFLAGS+=-I${.CURDIR}/../config
+CFLAGS+=-I${.CURDIR}/../include
+CFLAGS+=-DARCH_REP=\"${MACHINE}\"
+CFLAGS+=-DOS_REP=\"${OS}\"
+CFLAGS+=-DOS_HDR=\"os-${OS}.h\"
+CFLAGS+=${CONFIG}
+CLEANFILES+=vers.${PROG}.c vers.${PROG}.o version.amd
+
+vers.${PROG}.c: ${SRCS:.c=.o}
+	@d=${.CURDIR}/ sh ${.CURDIR}/../config/newvers.sh ${PROG} ${MACHINE} ${OS}
+
+.PATH: ${.CURDIR}/../rpcx ${.CURDIR}/../config
+.include "Makefile.config"
+.include "../../Makefile.inc"
+.include <bsd.prog.mk>
diff --git a/usr.sbin/amd/amd/afs_ops.c b/usr.sbin/amd/amd/afs_ops.c
new file mode 100644
index 0000000..6dfdc14
--- /dev/null
+++ b/usr.sbin/amd/amd/afs_ops.c
@@ -0,0 +1,1816 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)afs_ops.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: afs_ops.c,v 5.2.2.4 1992/05/31 16:36:36 jsp Exp $
+ *
+ */
+
+#include "am.h"
+
+#define NFS
+#define NFSCLIENT
+
+#include <sys/stat.h>
+#ifdef NFS_3
+typedef nfs_fh fhandle_t;
+#endif /* NFS_3 */
+#ifdef NFS_HDR
+#include NFS_HDR
+#endif /* NFS_HDR */
+#include <sys/mount.h>
+#include "mount.h"
+
+/*
+ * Automount file system
+ * Direct file system
+ * Root file system
+ * Top-level file system
+ */
+
+/*
+ * Interval between forced retries of a mount.
+ */
+#define RETRY_INTERVAL	2
+
+/*
+ * AFS needs nothing in particular.
+ */
+static char *afs_match P((am_opts *fo));
+static char *afs_match(fo)
+am_opts *fo;
+{
+	char *p = fo->opt_rfs;
+	if (!fo->opt_rfs) {
+		plog(XLOG_USER, "auto: no mount point named (rfs:=)");
+		return 0;
+	}
+	if (!fo->opt_fs) {
+		plog(XLOG_USER, "auto: no map named (fs:=)");
+		return 0;
+	}
+	/*
+	 * Swap round fs:= and rfs:= options
+	 * ... historical (jsp)
+	 */
+	fo->opt_rfs = fo->opt_fs;
+	fo->opt_fs = p;
+	/*
+	 * mtab entry turns out to be the name of the mount map
+	 */
+	return strdup(fo->opt_rfs ? fo->opt_rfs : ".");
+}
+
+/*
+ * Mount an automounter directory.
+ * The automounter is connected into the system
+ * as a user-level NFS server.  mount_toplvl constructs
+ * the necessary NFS parameters to be given to the
+ * kernel so that it will talk back to us.
+ */
+static int mount_toplvl P((char *dir, char *opts));
+static int mount_toplvl(dir, opts)
+char *dir;
+char *opts;
+{
+	struct nfs_args nfs_args;
+	struct mntent mnt;
+	int retry;
+	struct sockaddr_in sin;
+	unsigned short port;
+	int flags;
+	extern nfs_fh *root_fh();
+	nfs_fh *fhp;
+	char fs_hostname[MAXHOSTNAMELEN+MAXPATHLEN+1];
+
+	MTYPE_TYPE type = MOUNT_TYPE_NFS;
+
+	bzero((voidp) &nfs_args, sizeof(nfs_args));	/* Paranoid */
+
+	mnt.mnt_dir = dir;
+	mnt.mnt_fsname = pid_fsname;
+	mnt.mnt_type = MNTTYPE_AUTO;
+	mnt.mnt_opts = opts;
+	mnt.mnt_freq = 0;
+	mnt.mnt_passno = 0;
+
+	retry = hasmntval(&mnt, "retry");
+	if (retry <= 0)
+		retry = 2;	/* XXX */
+
+	/*
+	 * get fhandle of remote path for automount point
+	 */
+	
+	fhp = root_fh(dir);
+	if (!fhp) {
+		plog(XLOG_FATAL, "Can't find root file handle for %s", dir);
+		return EINVAL;
+	}
+
+	NFS_FH_DREF(nfs_args.fh, (NFS_FH_TYPE) fhp);
+
+	/*
+	 * Create sockaddr to point to the local machine.  127.0.0.1
+	 * is not used since that will not work in HP-UX clusters and
+	 * this is no more expensive.
+	 */
+	bzero((voidp) &sin, sizeof(sin));
+	sin.sin_family = AF_INET;
+	sin.sin_addr = myipaddr;
+	if (port = hasmntval(&mnt, "port")) {
+		sin.sin_port = htons(port);
+	} else {
+		plog(XLOG_ERROR, "no port number specified for %s", dir);
+		return EINVAL;
+	}
+
+	/*
+	 * set mount args
+	 */
+	NFS_SA_DREF(nfs_args, &sin);
+
+	/*
+	 * Make a ``hostname'' string for the kernel
+	 */
+#ifndef HOSTNAMESZ
+#define	SHORT_MOUNT_NAME
+#endif /* HOSTNAMESZ */
+#ifdef SHORT_MOUNT_NAME
+	sprintf(fs_hostname, "amd:%d", foreground ? mypid : getppid());
+#else
+	sprintf(fs_hostname, "pid%d@%s:%s", foreground ? mypid : getppid(), hostname, dir);
+#endif /* SHORT_MOUNT_NAME */
+	nfs_args.hostname = fs_hostname;
+	nfs_args.flags |= NFSMNT_HOSTNAME;
+#ifdef HOSTNAMESZ
+	/*
+	 * Most kernels have a name length restriction.
+	 */
+	if (strlen(fs_hostname) >= HOSTNAMESZ)
+		strcpy(fs_hostname + HOSTNAMESZ - 3, "..");
+#endif /* HOSTNAMESZ */
+
+#ifdef NFSMNT_DUMBTIMR
+	nfs_args.flags |= NFSMNT_DUMBTIMR;
+	plog(XLOG_INFO, "defeating nfs window computation");
+#endif
+
+	/*
+	 * Parse a subset of the standard nfs options.  The
+	 * others are probably irrelevant for this application
+	 */
+	if (nfs_args.timeo = hasmntval(&mnt, "timeo"))
+		nfs_args.flags |= NFSMNT_TIMEO;
+
+	if (nfs_args.retrans = hasmntval(&mnt, "retrans"))
+		nfs_args.flags |= NFSMNT_RETRANS;
+
+#ifdef NFSMNT_BIODS
+	if (nfs_args.biods = hasmntval(&mnt, "biods"))
+		nfs_args.flags |= NFSMNT_BIODS;
+
+#endif /* NFSMNT_BIODS */
+
+#if defined(NFSMNT_ACREGMIN) && defined(NFSMNT_ACREGMAX)
+	/*
+	 * Don't cache attributes - they are changing under
+	 * the kernel's feet...
+	 */
+	nfs_args.acregmin = nfs_args.acregmax = 1;
+	nfs_args.flags |= NFSMNT_ACREGMIN|NFSMNT_ACREGMAX;
+#endif /* defined(NFSMNT_ACREGMIN) && defined(NFSMNT_ACREGMAX) */
+	/*
+	 * These two are constructed internally by the calling routine
+	 */
+	if (hasmntopt(&mnt, MNTOPT_SOFT) != NULL)
+		nfs_args.flags |= NFSMNT_SOFT;
+
+#ifdef MNTOPT_INTR
+	if (hasmntopt(&mnt, MNTOPT_INTR) != NULL)
+		nfs_args.flags |= NFSMNT_INT;
+#endif /* MNTOPT_INTR */
+
+	flags = compute_mount_flags(&mnt);
+#ifdef ULTRIX_HACK
+	nfs_args.gfs_flags = flags;
+	flags &= M_RDONLY;
+	if (flags & M_RDONLY)
+		nfs_args.flags |= NFSMNT_RONLY;
+#endif /* ULTRIX_HACK */
+	return mount_fs(&mnt, flags, (caddr_t) &nfs_args, retry, type);
+}
+
+static void afs_mkcacheref P((mntfs *mf));
+static void afs_mkcacheref(mf)
+mntfs *mf;
+{
+	/*
+	 * Build a new map cache for this node, or re-use
+	 * an existing cache for the same map.
+	 */
+	char *cache;
+	if (mf->mf_fo && mf->mf_fo->opt_cache)
+	  	cache = mf->mf_fo->opt_cache;
+	else
+	  	cache = "none";
+	mf->mf_private = (voidp) mapc_find(mf->mf_info, cache);
+	mf->mf_prfree = mapc_free;
+}
+
+/*
+ * Mount the root...
+ */
+static int root_mount P((am_node *mp));
+static int root_mount(mp)
+am_node *mp;
+{
+	mntfs *mf = mp->am_mnt;
+
+	mf->mf_mount = strealloc(mf->mf_mount, pid_fsname);
+	mf->mf_private = (voidp) mapc_find(mf->mf_info, "");
+	mf->mf_prfree = mapc_free;
+
+	return 0;
+}
+
+/*
+ * Mount a sub-mount
+ */
+static int afs_mount P((am_node *mp));
+static int afs_mount(mp)
+am_node *mp;
+{
+	mntfs *mf = mp->am_mnt;
+
+	/*
+	 * Pseudo-directories are used to provide some structure
+	 * to the automounted directories instead
+	 * of putting them all in the top-level automount directory.
+	 *
+	 * Here, just increment the parent's link count.
+	 */
+	mp->am_parent->am_fattr.nlink++;
+	/*
+	 * Info field of . means use parent's info field.
+	 * Historical - not documented.
+	 */
+	if (mf->mf_info[0] == '.' && mf->mf_info[1] == '\0')
+		mf->mf_info = strealloc(mf->mf_info, mp->am_parent->am_mnt->mf_info);
+	/*
+	 * Compute prefix:
+	 *
+	 * If there is an option prefix then use that else
+	 * If the parent had a prefix then use that with name
+	 *	of this node appended else
+	 * Use the name of this node.
+	 *
+	 * That means if you want no prefix you must say so
+	 * in the map.
+	 */
+	if (mf->mf_fo->opt_pref) {
+		/*
+		 * the prefix specified as an option
+		 */
+		mp->am_pref = strdup(mf->mf_fo->opt_pref);
+	} else {
+		/*
+		 * else the parent's prefix
+		 * followed by the name
+		 * followed by /
+		 */
+		char *ppref = mp->am_parent->am_pref;
+		if (ppref == 0)
+			ppref = "";
+		mp->am_pref = str3cat((char *) 0, ppref, mp->am_name, "/");
+	}
+
+	/*
+	 * Attach a map cache
+	 */
+	afs_mkcacheref(mf);
+
+	return 0;
+}
+
+/*
+ * Mount the top-level
+ */
+static int toplvl_mount P((am_node *mp));
+static int toplvl_mount(mp)
+am_node *mp;
+{
+	mntfs *mf = mp->am_mnt;
+	struct stat stb;
+	char opts[256];
+	int error;
+	char *mnttype;
+
+	/*
+	 * Mounting the automounter.
+	 * Make sure the mount directory exists, construct
+	 * the mount options and call the mount_toplvl routine.
+	 */
+
+	if (stat(mp->am_path, &stb) < 0) {
+		return errno;
+	} else if ((stb.st_mode & S_IFMT) != S_IFDIR) {
+		plog(XLOG_WARNING, "%s is not a directory", mp->am_path);
+		return ENOTDIR;
+	}
+
+	if (mf->mf_ops == &toplvl_ops) mnttype = "indirect";
+	else if (mf->mf_ops == &dfs_ops) mnttype = "direct";
+#ifdef HAS_UNION_FS
+	else if (mf->mf_ops == &union_ops) mnttype = "union";
+#endif
+	else mnttype = "auto";
+
+	/*
+	 * Construct some mount options
+	 */
+	sprintf(opts,
+#ifdef MNTOPT_INTR
+		"%s,%s,%s=%d,%s=%d,%s=%d,%s",
+		MNTOPT_INTR,
+#else
+		"%s,%s=%d,%s=%d,%s=%d,%s",
+#endif /* MNTOPT_INTR */
+		"rw",
+		"port", nfs_port,
+		"timeo", afs_timeo,
+		"retrans", afs_retrans,
+		mnttype);
+
+	error = mount_toplvl(mf->mf_mount, opts);
+	if (error) {
+		errno = error;
+		plog(XLOG_FATAL, "mount_toplvl: %m");
+		return error;
+	}
+
+	return 0;
+}
+
+static void toplvl_mounted P((mntfs *mf));
+static void toplvl_mounted(mf)
+mntfs *mf;
+{
+	afs_mkcacheref(mf);
+}
+
+#ifdef HAS_UNION_FS
+/*
+ * Create a reference to a union'ed entry
+ */
+static int create_union_node P((char *dir, voidp arg));
+static int create_union_node(dir, arg)
+char *dir;
+voidp arg;
+{
+	if (strcmp(dir, "/defaults") != 0) {
+		int error = 0;
+		(void) toplvl_ops.lookuppn(arg, dir, &error, VLOOK_CREATE);
+		if (error > 0) {
+			errno = error; /* XXX */
+			plog(XLOG_ERROR, "Could not mount %s: %m", dir);
+		}
+		return error;
+	}
+	return 0;
+}
+
+static void union_mounted P((mntfs *mf));
+static void union_mounted(mf)
+mntfs *mf;
+{
+	int i;
+	
+	afs_mkcacheref(mf);
+
+	/*
+	 * Having made the union mount point,
+	 * populate all the entries...
+	 */
+	for (i = 0; i <= last_used_map; i++) {
+		am_node *mp = exported_ap[i];
+		if (mp && mp->am_mnt == mf) {
+			/* return value from create_union_node is ignored by mapc_keyiter */
+			(void) mapc_keyiter((mnt_map *) mp->am_mnt->mf_private,
+				(void (*)P((char*,void*))) create_union_node, mp);
+			break;
+		}
+	}
+
+#ifdef notdef
+	/*
+	 * would be nice to flush most of the cache, but we need to
+	 * keep the wildcard and /defaults entries...
+	 */
+	mapc_free(mf->mf_private);
+	mf->mf_private = (voidp) mapc_find(mf->mf_info, "inc");
+/*	mapc_add_kv(mf->mf_private, strdup("/defaults"),
+		strdup("type:=link;opts:=nounmount;sublink:=${key}")); */
+#endif
+}
+#endif /* HAS_UNION_FS */
+
+/*
+ * Unmount an automount sub-node
+ */
+static int afs_umount P((am_node *mp));
+static int afs_umount(mp)
+am_node *mp;
+{
+	return 0;
+}
+
+/*
+ * Unmount a top-level automount node
+ */
+static int toplvl_umount P((am_node *mp));
+static int toplvl_umount(mp)
+am_node *mp;
+{
+	int error;
+
+	struct stat stb;
+again:
+	/*
+	 * The lstat is needed if this mount is type=direct.
+	 * When that happens, the kernel cache gets confused
+	 * between the underlying type (dir) and the mounted
+	 * type (link) and so needs to be re-synced before
+	 * the unmount.  This is all because the unmount system
+	 * call follows links and so can't actually unmount
+	 * a link (stupid!).  It was noted that doing an ls -ld
+	 * of the mount point to see why things were not working
+	 * actually fixed the problem - so simulate an ls -ld here.
+	 */
+	if (lstat(mp->am_path, &stb) < 0) {
+#ifdef DEBUG
+		dlog("lstat(%s): %m", mp->am_path);
+#endif /* DEBUG */
+	}
+	error = UMOUNT_FS(mp->am_path);
+	if (error == EBUSY) {
+		plog(XLOG_WARNING, "afs_unmount retrying %s in 1s", mp->am_path);
+		sleep(1);	/* XXX */
+		goto again;
+	}
+
+	return error;
+}
+
+/*
+ * Unmount an automount node
+ */
+static void afs_umounted P((am_node *mp));
+static void afs_umounted(mp)
+am_node *mp;
+{
+	/*
+	 * If this is a pseudo-directory then just adjust the link count
+	 * in the parent, otherwise call the generic unmount routine
+	 */
+	if (mp->am_parent && mp->am_parent->am_parent)
+		--mp->am_parent->am_fattr.nlink;
+}
+
+/*
+ * Mounting a file system may take a significant period of time.  The
+ * problem is that if this is done in the main process thread then
+ * the entire automounter could be blocked, possibly hanging lots of
+ * processes on the system.  Instead we use a continuation scheme to
+ * allow mounts to be attempted in a sub-process.  When the sub-process
+ * exits we pick up the exit status (by convention a UN*X error number)
+ * and continue in a notifier.  The notifier gets handed a data structure
+ * and can then determine whether the mount was successful or not.  If
+ * not, it updates the data structure and tries again until there are no
+ * more ways to try the mount, or some other permanent error occurs.
+ * In the mean time no RPC reply is sent, even after the mount is succesful.
+ * We rely on the RPC retry mechanism to resend the lookup request which
+ * can then be handled.
+ */
+
+
+struct continuation {
+	char **ivec;		/* Current mount info */
+	am_node *mp;		/* Node we are trying to mount */
+	char *key;		/* Map key */
+	char *info;		/* Info string */
+	char **xivec;		/* Saved strsplit vector */
+	char *auto_opts;	/* Automount options */
+	am_opts fs_opts;	/* Filesystem options */
+	char *def_opts;		/* Default automount options */
+	int retry;		/* Try again? */
+	int tried;		/* Have we tried any yet? */
+	time_t start;		/* Time we started this mount */
+	int callout;		/* Callout identifier */
+};
+
+#define	IN_PROGRESS(cp) ((cp)->mp->am_mnt->mf_flags & MFF_MOUNTING)
+
+/*
+ * Discard an old continuation
+ */
+static void free_continuation P((struct continuation *cp));
+static void free_continuation(cp)
+struct continuation *cp;
+{
+	if (cp->callout)
+		untimeout(cp->callout);
+	free((voidp) cp->key);
+	free((voidp) cp->xivec);
+	free((voidp) cp->info);
+	free((voidp) cp->auto_opts);
+	free((voidp) cp->def_opts);
+	free_opts(&cp->fs_opts);
+	free((voidp) cp);
+}
+
+static int afs_bgmount P((struct continuation*, int));
+
+/*
+ * Discard the underlying mount point and replace
+ * with a reference to an error filesystem.
+ */
+static void assign_error_mntfs P((am_node *mp));
+static void assign_error_mntfs(mp)
+am_node *mp;
+{
+	if (mp->am_error > 0) {
+		/*
+		 * Save the old error code
+		 */
+		int error = mp->am_error;
+		if (error <= 0)
+			error = mp->am_mnt->mf_error;
+		/*
+		 * Discard the old filesystem
+		 */
+		free_mntfs(mp->am_mnt);
+		/*
+		 * Allocate a new error reference
+		 */
+		mp->am_mnt = new_mntfs();
+		/*
+		 * Put back the error code
+		 */
+		mp->am_mnt->mf_error = error;
+		mp->am_mnt->mf_flags |= MFF_ERROR;
+		/*
+		 * Zero the error in the mount point
+		 */
+		mp->am_error = 0;
+	}
+}
+
+/*
+ * The continuation function.  This is called by
+ * the task notifier when a background mount attempt
+ * completes.
+ */
+static void afs_cont P((int rc, int term, voidp closure));
+static void afs_cont(rc, term, closure)
+int rc;
+int term;
+voidp closure;
+{
+	struct continuation *cp = (struct continuation *) closure;
+	mntfs *mf = cp->mp->am_mnt;
+
+	/*
+	 * Definitely not trying to mount at the moment
+	 */
+	mf->mf_flags &= ~MFF_MOUNTING;
+	/*
+	 * While we are mounting - try to avoid race conditions
+	 */
+	new_ttl(cp->mp);
+
+	/*
+	 * Wakeup anything waiting for this mount
+	 */
+	wakeup((voidp) mf);
+
+	/*
+	 * Check for termination signal or exit status...
+	 */
+	if (rc || term) {
+		am_node *xmp;
+
+		if (term) {
+			/*
+			 * Not sure what to do for an error code.
+			 */
+			mf->mf_error = EIO;	/* XXX ? */
+			mf->mf_flags |= MFF_ERROR;
+			plog(XLOG_ERROR, "mount for %s got signal %d", cp->mp->am_path, term);
+		} else {
+			/*
+			 * Check for exit status...
+			 */
+			mf->mf_error = rc;
+			mf->mf_flags |= MFF_ERROR;
+			errno = rc;	/* XXX */
+			plog(XLOG_ERROR, "%s: mount (afs_cont): %m", cp->mp->am_path);
+		}
+
+		/*
+		 * If we get here then that attempt didn't work, so
+		 * move the info vector pointer along by one and
+		 * call the background mount routine again
+		 */
+		amd_stats.d_merr++;
+		cp->ivec++;
+		xmp = cp->mp;
+		(void) afs_bgmount(cp, 0);
+		assign_error_mntfs(xmp);
+	} else {
+		/*
+		 * The mount worked.
+		 */
+		am_mounted(cp->mp);
+		free_continuation(cp);
+	}
+
+	reschedule_timeout_mp();
+}
+
+/*
+ * Retry a mount
+ */
+/*ARGSUSED*/
+static void afs_retry P((int rc, int term, voidp closure));
+static void afs_retry(rc, term, closure)
+int rc;
+int term;
+voidp closure;
+{
+	struct continuation *cp = (struct continuation *) closure;
+	int error = 0;
+
+#ifdef DEBUG
+	dlog("Commencing retry for mount of %s", cp->mp->am_path);
+#endif /* DEBUG */
+
+	new_ttl(cp->mp);
+
+	if ((cp->start + ALLOWED_MOUNT_TIME) < clocktime()) {
+		/*
+		 * The entire mount has timed out.
+		 * Set the error code and skip past
+		 * all the info vectors so that
+		 * afs_bgmount will not have any more
+		 * ways to try the mount, so causing
+		 * an error.
+		 */
+		plog(XLOG_INFO, "mount of \"%s\" has timed out", cp->mp->am_path);
+		error = ETIMEDOUT;
+		while (*cp->ivec)
+			cp->ivec++;
+	}
+
+	if (error || !IN_PROGRESS(cp)) {
+		(void) afs_bgmount(cp, error);
+	}
+	reschedule_timeout_mp();
+}
+
+/*
+ * Try to mount a file system.  Can be called
+ * directly or in a sub-process by run_task
+ */
+static int try_mount P((voidp mvp));
+static int try_mount(mvp)
+voidp mvp;
+{
+	/*
+	 * Mount it!
+	 */
+	int error;
+	am_node *mp = (am_node *) mvp;
+	mntfs *mf = mp->am_mnt;
+
+	/*
+	 * If the directory is not yet made and
+	 * it needs to be made, then make it!
+	 * This may be run in a backgroun process
+	 * in which case the flag setting won't be
+	 * noticed later - but it is set anyway
+	 * just after run_task is called.  It
+	 * should probably go away totally...
+	 */
+	if (!(mf->mf_flags & MFF_MKMNT) && mf->mf_ops->fs_flags & FS_MKMNT) {
+		error = mkdirs(mf->mf_mount, 0555);
+		if (!error)
+			mf->mf_flags |= MFF_MKMNT;
+	}
+
+	error = mount_node(mp);
+#ifdef DEBUG
+	if (error > 0) {
+		errno = error;
+		dlog("afs call to mount_node failed: %m");
+	}
+#endif /* DEBUG */
+	return error;
+}
+
+/*
+ * Pick a file system to try mounting and
+ * do that in the background if necessary
+ *
+For each location:
+	if it is new -defaults then
+		extract and process
+		continue;
+	fi
+	if it is a cut then
+		if a location has been tried then
+			break;
+		fi
+		continue;
+	fi
+	parse mount location
+	discard previous mount location if required
+	find matching mounted filesystem
+	if not applicable then
+		this_error = No such file or directory
+		continue
+	fi
+	if the filesystem failed to be mounted then
+		this_error = error from filesystem
+	elif the filesystem is mounting or unmounting then
+		this_error = -1
+	elif the fileserver is down then
+		this_error = -1
+	elif the filesystem is already mounted
+		this_error = 0
+		break
+	fi
+	if no error on this mount then
+		this_error = initialise mount point
+	fi
+	if no error on this mount and mount is delayed then
+		this_error = -1
+	fi
+	if this_error < 0 then
+		retry = true
+	fi
+	if no error on this mount then
+		make mount point if required
+	fi
+	if no error on this mount then
+		if mount in background then
+			run mount in background
+			return -1
+		else
+			this_error = mount in foreground
+		fi
+	fi
+	if an error occured on this mount then
+		update stats
+		save error in mount point
+	fi
+endfor
+ */
+
+static int afs_bgmount P((struct continuation *cp, int mpe));
+static int afs_bgmount(cp, mpe)
+struct continuation *cp;
+int mpe;
+{
+	mntfs *mf = cp->mp->am_mnt;	/* Current mntfs */
+	mntfs *mf_retry = 0;		/* First mntfs which needed retrying */
+	int this_error = -1;		/* Per-mount error */
+	int hard_error = -1;
+	int mp_error = mpe;
+
+	/*
+	 * Try to mount each location.
+	 * At the end:
+	 * hard_error == 0 indicates something was mounted.
+	 * hard_error > 0 indicates everything failed with a hard error
+	 * hard_error < 0 indicates nothing could be mounted now
+	 */
+	for (; this_error && *cp->ivec; cp->ivec++) {
+		am_ops *p;
+		am_node *mp = cp->mp;
+		char *link_dir;
+		int dont_retry;
+
+		if (hard_error < 0)
+			hard_error = this_error;
+
+		this_error = -1;
+
+		if (**cp->ivec == '-') {
+			/*
+			 * Pick up new defaults
+			 */
+			if (cp->auto_opts && *cp->auto_opts)
+				cp->def_opts = str3cat(cp->def_opts, cp->auto_opts, ";", *cp->ivec+1);
+			else
+				cp->def_opts = strealloc(cp->def_opts, *cp->ivec+1);
+#ifdef DEBUG
+			dlog("Setting def_opts to \"%s\"", cp->def_opts);
+#endif /* DEBUG */
+			continue;
+		}
+
+		/*
+		 * If a mount has been attempted, and we find
+		 * a cut then don't try any more locations.
+		 */
+		if (strcmp(*cp->ivec, "/") == 0 || strcmp(*cp->ivec, "||") == 0) {
+			if (cp->tried) {
+#ifdef DEBUG
+				dlog("Cut: not trying any more locations for %s",
+					mp->am_path);
+#endif /* DEBUG */
+				break;
+			}
+			continue;
+		}
+
+#ifdef SUNOS4_COMPAT
+#ifdef nomore
+		/*
+		 * By default, you only get this bit on SunOS4.
+		 * If you want this anyway, then define SUNOS4_COMPAT
+		 * in the relevant "os-blah.h" file.
+		 *
+		 * We make the observation that if the local key line contains
+		 * no '=' signs then either it is sick, or it is a SunOS4-style
+		 * "host:fs[:link]" line.  In the latter case the am_opts field
+		 * is also assumed to be in old-style, so you can't mix & match.
+		 * You can use ${} expansions for the fs and link bits though...
+		 *
+		 * Actually, this doesn't really cover all the possibilities for
+		 * the latest SunOS automounter and it is debatable whether there
+		 * is any point bothering.
+		 */
+		if (strchr(*cp->ivec, '=') == 0)
+			p = sunos4_match(&cp->fs_opts, *cp->ivec, cp->def_opts, mp->am_path, cp->key, mp->am_parent->am_mnt->mf_info);
+		else
+#endif
+#endif /* SUNOS4_COMPAT */
+			p = ops_match(&cp->fs_opts, *cp->ivec, cp->def_opts, mp->am_path, cp->key, mp->am_parent->am_mnt->mf_info);
+
+		/*
+		 * Find a mounted filesystem for this node.
+		 */
+		mp->am_mnt = mf = realloc_mntfs(mf, p, &cp->fs_opts, cp->fs_opts.opt_fs,
+			cp->fs_opts.fs_mtab, cp->auto_opts, cp->fs_opts.opt_opts, cp->fs_opts.opt_remopts);
+
+		p = mf->mf_ops;
+#ifdef DEBUG
+		dlog("Got a hit with %s", p->fs_type);
+#endif /* DEBUG */
+		/*
+		 * Note whether this is a real mount attempt
+		 */
+		if (p == &efs_ops) {
+			plog(XLOG_MAP, "Map entry %s for %s failed to match", *cp->ivec, mp->am_path);
+			if (this_error <= 0)
+				this_error = ENOENT;
+			continue;
+		} else {
+			if (cp->fs_opts.fs_mtab) {
+				plog(XLOG_MAP, "Trying mount of %s on %s fstype %s",
+					cp->fs_opts.fs_mtab, mp->am_path, p->fs_type);
+			}
+			cp->tried = TRUE;
+		}
+
+		this_error = 0;
+		dont_retry = FALSE;
+
+		if (mp->am_link) {
+			free(mp->am_link);
+			mp->am_link = 0;
+		}
+
+		link_dir = mf->mf_fo->opt_sublink;
+
+		if (link_dir && *link_dir) {
+			if (*link_dir == '/') {
+				mp->am_link = strdup(link_dir);
+			} else {
+				mp->am_link = str3cat((char *) 0,
+					mf->mf_fo->opt_fs, "/", link_dir);
+				normalize_slash(mp->am_link);
+			}
+		}
+
+		if (mf->mf_error > 0) {
+			this_error = mf->mf_error;
+		} else if (mf->mf_flags & (MFF_MOUNTING|MFF_UNMOUNTING)) {
+			/*
+			 * Still mounting - retry later
+			 */
+#ifdef DEBUG
+			dlog("Duplicate pending mount fstype %s", p->fs_type);
+#endif /* DEBUG */
+			this_error = -1;
+		} else if (FSRV_ISDOWN(mf->mf_server)) {
+			/*
+			 * Would just mount from the same place
+			 * as a hung mount - so give up
+			 */
+#ifdef DEBUG
+			dlog("%s is already hung - giving up", mf->mf_mount);
+#endif /* DEBUG */
+			mp_error = EWOULDBLOCK;
+			dont_retry = TRUE;
+			this_error = -1;
+		} else if (mf->mf_flags & MFF_MOUNTED) {
+#ifdef DEBUG
+			dlog("duplicate mount of \"%s\" ...", mf->mf_info);
+#endif /* DEBUG */
+			/*
+			 * Just call mounted()
+			 */
+			am_mounted(mp);
+
+			this_error = 0;
+			break;
+		}
+
+		/*
+		 * Will usually need to play around with the mount nodes
+		 * file attribute structure.  This must be done here.
+		 * Try and get things initialised, even if the fileserver
+		 * is not known to be up.  In the common case this will
+		 * progress things faster.
+		 */
+		if (!this_error) {
+			/*
+			 * Fill in attribute fields.
+			 */
+			if (mf->mf_ops->fs_flags & FS_DIRECTORY)
+				mk_fattr(mp, NFDIR);
+			else
+				mk_fattr(mp, NFLNK);
+
+			mp->am_fattr.fileid = mp->am_gen;
+
+			if (p->fs_init)
+				this_error = (*p->fs_init)(mf);
+		}
+
+		/*
+		 * Make sure the fileserver is UP before doing any more work
+		 */
+		if (!FSRV_ISUP(mf->mf_server)) {
+#ifdef DEBUG
+			dlog("waiting for server %s to become available", mf->mf_server->fs_host);
+#endif
+			this_error =  -1;
+		}
+
+		if (!this_error && mf->mf_fo->opt_delay) {
+			/*
+			 * If there is a delay timer on the mount
+			 * then don't try to mount if the timer
+			 * has not expired.
+			 */
+			int i = atoi(mf->mf_fo->opt_delay);
+			if (i > 0 && clocktime() < (cp->start + i)) {
+#ifdef DEBUG
+				dlog("Mount of %s delayed by %ds", mf->mf_mount, i - clocktime() + cp->start);
+#endif /* DEBUG */
+				this_error = -1;
+			}
+		}
+
+		if (this_error < 0 && !dont_retry) {
+			if (!mf_retry)
+				mf_retry = dup_mntfs(mf);
+			cp->retry = TRUE;
+		}
+
+		if (!this_error)
+		if (p->fs_flags & FS_MBACKGROUND) {
+			mf->mf_flags |= MFF_MOUNTING;	/*XXX*/
+#ifdef DEBUG
+			dlog("backgrounding mount of \"%s\"", mf->mf_mount);
+#endif /* DEBUG */
+			if (cp->callout) {
+				untimeout(cp->callout);
+				cp->callout = 0;
+			}
+			run_task(try_mount, (voidp) mp, afs_cont, (voidp) cp);
+			mf->mf_flags |= MFF_MKMNT;	/* XXX */
+			if (mf_retry) free_mntfs(mf_retry);
+			return -1;
+		} else {
+#ifdef DEBUG
+			dlog("foreground mount of \"%s\" ...", mf->mf_info);
+#endif /* DEBUG */
+			this_error = try_mount((voidp) mp);
+			if (this_error < 0) {
+				if (!mf_retry)
+					mf_retry = dup_mntfs(mf);
+				cp->retry = TRUE;
+			}
+		}
+
+		if (this_error >= 0) {
+			if (this_error > 0) {
+				amd_stats.d_merr++;
+				if (mf != mf_retry) {
+					mf->mf_error = this_error;
+					mf->mf_flags |= MFF_ERROR;
+				}
+			}
+			/*
+			 * Wakeup anything waiting for this mount
+			 */
+			wakeup((voidp) mf);
+		}
+	}
+
+	if (this_error && cp->retry) {
+		free_mntfs(mf);
+		mf = cp->mp->am_mnt = mf_retry;
+		/*
+		 * Not retrying again (so far)
+		 */
+		cp->retry = FALSE;
+		cp->tried = FALSE;
+		/*
+		 * Start at the beginning.
+		 * Rewind the location vector and
+		 * reset the default options.
+		 */
+		cp->ivec = cp->xivec;
+		cp->def_opts = strealloc(cp->def_opts, cp->auto_opts);
+		/*
+		 * Arrange that afs_bgmount is called
+		 * after anything else happens.
+		 */
+#ifdef DEBUG
+		dlog("Arranging to retry mount of %s", cp->mp->am_path);
+#endif /* DEBUG */
+		sched_task(afs_retry, (voidp) cp, (voidp) mf);
+		if (cp->callout)
+			untimeout(cp->callout);
+		cp->callout = timeout(RETRY_INTERVAL, wakeup, (voidp) mf);
+
+		cp->mp->am_ttl = clocktime() + RETRY_INTERVAL;
+
+		/*
+		 * Not done yet - so don't return anything
+		 */
+		return -1;
+	}
+
+	if (hard_error < 0 || this_error == 0)
+		hard_error = this_error;
+
+	/*
+	 * Discard handle on duff filesystem.
+	 * This should never happen since it
+	 * should be caught by the case above.
+	 */
+	if (mf_retry) {
+		if (hard_error)
+			plog(XLOG_ERROR, "discarding a retry mntfs for %s", mf_retry->mf_mount);
+		free_mntfs(mf_retry);
+	}
+
+	/*
+	 * If we get here, then either the mount succeeded or
+	 * there is no more mount information available.
+	 */
+	if (hard_error < 0 && mp_error)
+		hard_error = cp->mp->am_error = mp_error;
+	if (hard_error > 0) {
+		/*
+		 * Set a small(ish) timeout on an error node if
+		 * the error was not a time out.
+		 */
+		switch (hard_error) {
+		case ETIMEDOUT:
+		case EWOULDBLOCK:
+			cp->mp->am_timeo = 5;
+			break;
+		default:
+			cp->mp->am_timeo = 17;
+			break;
+		}
+		new_ttl(cp->mp);
+	}
+
+	/*
+	 * Make sure that the error value in the mntfs has a
+	 * reasonable value.
+	 */
+	if (mf->mf_error < 0) {
+		mf->mf_error = hard_error;
+		if (hard_error)
+			mf->mf_flags |= MFF_ERROR;
+	}
+
+	/*
+	 * In any case we don't need the continuation any more
+	 */
+	free_continuation(cp);
+
+	return hard_error;
+}
+
+/*
+ * Automount interface to RPC lookup routine
+ */
+static am_node *afs_lookuppn P((am_node *mp, char *fname, int *error_return, int op));
+static am_node *afs_lookuppn(mp, fname, error_return, op)
+am_node *mp;
+char *fname;
+int *error_return;
+int op;
+{
+#define ereturn(x) { *error_return = x; return 0; }
+
+	/*
+	 * Find the corresponding entry and return
+	 * the file handle for it.
+	 */
+	am_node *ap, *new_mp, *ap_hung;
+	char *info;			/* Mount info - where to get the file system */
+	char **ivec, **xivec;		/* Split version of info */
+	char *auto_opts;		/* Automount options */
+	int error = 0;			/* Error so far */
+	char path_name[MAXPATHLEN];	/* General path name buffer */
+	char *pfname;			/* Path for database lookup */
+	struct continuation *cp;	/* Continuation structure if we need to mount */
+	int in_progress = 0;		/* # of (un)mount in progress */
+	char *dflts;
+	mntfs *mf;
+
+#ifdef DEBUG
+	dlog("in afs_lookuppn");
+#endif /* DEBUG */
+
+	/*
+	 * If the server is shutting down
+	 * then don't return information
+	 * about the mount point.
+	 */
+	if (amd_state == Finishing) {
+#ifdef DEBUG
+		if ((mf = mp->am_mnt) == 0 || mf->mf_ops == &dfs_ops)
+			dlog("%s mount ignored - going down", fname);
+		else
+			dlog("%s/%s mount ignored - going down", mp->am_path, fname);
+#endif /* DEBUG */
+		ereturn(ENOENT);
+	}
+
+	/*
+	 * Handle special case of "." and ".."
+	 */
+	if (fname[0] == '.') {
+		if (fname[1] == '\0')
+			return mp;	/* "." is the current node */
+		if (fname[1] == '.' && fname[2] == '\0') {
+			if (mp->am_parent) {
+#ifdef DEBUG
+				dlog(".. in %s gives %s", mp->am_path, mp->am_parent->am_path);
+#endif /* DEBUG */
+				return mp->am_parent;	/* ".." is the parent node */
+			}
+			ereturn(ESTALE);
+		}
+	}
+
+	/*
+	 * Check for valid key name.
+	 * If it is invalid then pretend it doesn't exist.
+	 */
+	if (!valid_key(fname)) {
+		plog(XLOG_WARNING, "Key \"%s\" contains a disallowed character", fname);
+		ereturn(ENOENT);
+	}
+
+	/*
+	 * Expand key name.
+	 * fname is now a private copy.
+	 */
+	fname = expand_key(fname);
+
+	for (ap_hung = 0, ap = mp->am_child; ap; ap = ap->am_osib) {
+		/*
+		 * Otherwise search children of this node
+		 */
+		if (FSTREQ(ap->am_name, fname)) {
+			mf = ap->am_mnt;
+			if (ap->am_error) {
+				error = ap->am_error;
+				continue;
+			}
+
+			/*
+			 * If the error code is undefined then it must be
+			 * in progress.
+			 */
+			if (mf->mf_error < 0)
+				goto in_progrss;
+
+			/*
+			 * Check for a hung node
+			 */
+			if (FSRV_ISDOWN(mf->mf_server)) {
+#ifdef DEBUG
+				dlog("server hung");
+#endif /* DEBUG */
+				error = ap->am_error;
+				ap_hung = ap;
+				continue;
+			}
+
+			/*
+			 * If there was a previous error with this node
+			 * then return that error code.
+			 */
+			if (mf->mf_flags & MFF_ERROR) {
+				error = mf->mf_error;
+				continue;
+			}
+
+			if (!(mf->mf_flags & MFF_MOUNTED) /*|| (mf->mf_flags & MFF_UNMOUNTING)*/) {
+in_progrss:
+				/*
+				 * If the fs is not mounted or it is unmounting then there
+				 * is a background (un)mount in progress.  In this case
+				 * we just drop the RPC request (return nil) and
+				 * wait for a retry, by which time the (un)mount may
+				 * have completed.
+				 */
+#ifdef DEBUG
+				dlog("ignoring mount of %s in %s -- in progress",
+					fname, mf->mf_mount);
+#endif /* DEBUG */
+				in_progress++;
+				continue;
+			}
+
+			/*
+			 * Otherwise we have a hit: return the current mount point.
+			 */
+#ifdef DEBUG
+			dlog("matched %s in %s", fname, ap->am_path);
+#endif /* DEBUG */
+			free(fname);
+			return ap;
+		}
+	}
+
+	if (in_progress) {
+#ifdef DEBUG
+		dlog("Waiting while %d mount(s) in progress", in_progress);
+#endif /* DEBUG */
+		free(fname);
+		ereturn(-1);
+	}
+
+	/*
+	 * If an error occured then return it.
+	 */
+	if (error) {
+#ifdef DEBUG
+		errno = error; /* XXX */
+		dlog("Returning error: %m", error);
+#endif /* DEBUG */
+		free(fname);
+		ereturn(error);
+	}
+
+	/*
+	 * If doing a delete then don't create again!
+	 */
+	switch (op) {
+	case VLOOK_DELETE:
+		ereturn(ENOENT);
+		break;
+
+	case VLOOK_CREATE:
+		break;
+
+	default:
+		plog(XLOG_FATAL, "Unknown op to afs_lookuppn: 0x%x", op);
+		ereturn(EINVAL);
+		break;
+	}
+
+	/*
+	 * If the server is going down then just return,
+	 * don't try to mount any more file systems
+	 */
+	if ((int)amd_state >= (int)Finishing) {
+#ifdef DEBUG
+		dlog("not found - server going down anyway");
+#endif /* DEBUG */
+		free(fname);
+		ereturn(ENOENT);
+	}
+
+	/*
+	 * If we get there then this is a reference to an,
+	 * as yet, unknown name so we need to search the mount
+	 * map for it.
+	 */
+	if (mp->am_pref) {
+		sprintf(path_name, "%s%s", mp->am_pref, fname);
+		pfname = path_name;
+	} else {
+		pfname = fname;
+	}
+
+	mf = mp->am_mnt;
+
+#ifdef DEBUG
+	dlog("will search map info in %s to find %s", mf->mf_info, pfname);
+#endif /* DEBUG */
+	/*
+	 * Consult the oracle for some mount information.
+	 * info is malloc'ed and belongs to this routine.
+	 * It ends up being free'd in free_continuation().
+	 *
+	 * Note that this may return -1 indicating that information
+	 * is not yet available.
+	 */
+	error = mapc_search((mnt_map*) mf->mf_private, pfname, &info);
+	if (error) {
+		if (error > 0)
+			plog(XLOG_MAP, "No map entry for %s", pfname);
+		else
+			plog(XLOG_MAP, "Waiting on map entry for %s", pfname);
+		free(fname);
+		ereturn(error);
+	}
+
+#ifdef DEBUG
+	dlog("mount info is %s", info);
+#endif /* DEBUG */
+
+	/*
+	 * Split info into an argument vector.
+	 * The vector is malloc'ed and belongs to
+	 * this routine.  It is free'd in free_continuation()
+	 */
+	xivec = ivec = strsplit(info, ' ', '\"');
+
+	/*
+	 * Default error code...
+	 */
+	if (ap_hung)
+		error = EWOULDBLOCK;
+	else
+		error = ENOENT;
+
+	/*
+	 * Allocate a new map
+	 */
+	new_mp = exported_ap_alloc();
+	if (new_mp == 0) {
+		free((voidp) xivec);
+		free((voidp) info);
+		free((voidp) fname);
+		ereturn(ENOSPC);
+	}
+
+	if (mf->mf_auto)
+		auto_opts = mf->mf_auto;
+	else
+		auto_opts = "";
+
+	auto_opts = strdup(auto_opts);
+
+#ifdef DEBUG
+	dlog("searching for /defaults entry");
+#endif /* DEBUG */
+	if (mapc_search((mnt_map*) mf->mf_private, "/defaults", &dflts) == 0) {
+	  	char *dfl;
+		char **rvec;
+#ifdef DEBUG
+		dlog("/defaults gave %s", dflts);
+#endif /* DEBUG */
+		if (*dflts == '-')
+			dfl = dflts+1;
+		else
+			dfl = dflts;
+
+		/*
+		 * Chop the defaults up
+		 */
+		rvec = strsplit(dfl, ' ', '\"');
+		/*
+		 * Extract first value
+		 */
+		dfl = rvec[0];
+
+		/*
+		 * If there were any values at all...
+		 */
+		if (dfl) {
+			/*
+			 * Log error if there were other values
+			 */
+			if (rvec[1]) {
+#ifdef DEBUG
+				dlog("/defaults chopped into %s", dfl);
+#endif /* DEBUG */
+				plog(XLOG_USER, "More than a single value for /defaults in %s", mf->mf_info);
+			}
+
+			/*
+			 * Prepend to existing defaults if they exist,
+			 * otherwise just use these defaults.
+			 */
+			if (*auto_opts && *dfl) {
+				char *nopts = (char *) xmalloc(strlen(auto_opts)+strlen(dfl)+2);
+				sprintf(nopts, "%s;%s", dfl, auto_opts);
+				free(auto_opts);
+				auto_opts = nopts;
+			} else if (*dfl) {
+				auto_opts = strealloc(auto_opts, dfl);
+			}
+		}
+		free(dflts);
+		/*
+		 * Don't need info vector any more
+		 */
+		free((voidp) rvec);
+	}
+
+	/*
+	 * Fill it in
+	 */
+	init_map(new_mp, fname);
+
+	/*
+	 * Put it in the table
+	 */
+	insert_am(new_mp, mp);
+
+	/*
+	 * Fill in some other fields,
+	 * path and mount point.
+	 *
+	 * bugfix: do not prepend old am_path if direct map
+	 *         <wls@astro.umd.edu> William Sebok
+	 */
+	new_mp->am_path = str3cat(new_mp->am_path,
+		mf->mf_ops == &dfs_ops ? "" : mp->am_path,
+		*fname == '/' ? "" : "/", fname);
+
+#ifdef DEBUG
+	dlog("setting path to %s", new_mp->am_path);
+#endif /* DEBUG */
+
+	/*
+	 * Take private copy of pfname
+	 */
+	pfname = strdup(pfname);
+
+	/*
+	 * Construct a continuation
+	 */
+	cp = ALLOC(continuation);
+	cp->mp = new_mp;
+	cp->xivec = xivec;
+	cp->ivec = ivec;
+	cp->info = info;
+	cp->key = pfname;
+	cp->auto_opts = auto_opts;
+	cp->retry = FALSE;
+	cp->tried = FALSE;
+	cp->start = clocktime();
+	cp->def_opts = strdup(auto_opts);
+	bzero((voidp) &cp->fs_opts, sizeof(cp->fs_opts));
+
+	/*
+	 * Try and mount the file system
+	 * If this succeeds immediately (possible
+	 * for a ufs file system) then return
+	 * the attributes, otherwise just
+	 * return an error.
+	 */
+	error = afs_bgmount(cp, error);
+	reschedule_timeout_mp();
+	if (!error) {
+		free(fname);
+		return new_mp;
+	}
+
+	if (error && (cp->mp->am_mnt->mf_ops == &efs_ops))
+		cp->mp->am_error = error;
+
+	assign_error_mntfs(new_mp);
+
+	free(fname);
+
+	ereturn(error);
+#undef ereturn
+}
+
+/*
+ * Locate next node in sibling list which is mounted
+ * and is not an error node.
+ */
+static am_node *next_nonerror_node P((am_node *xp));
+static am_node *next_nonerror_node(xp)
+am_node *xp;
+{
+	mntfs *mf;
+
+	/*
+	 * Bug report (7/12/89) from Rein Tollevik <rein@ifi.uio.no>
+	 * Fixes a race condition when mounting direct automounts.
+	 * Also fixes a problem when doing a readdir on a directory
+	 * containing hung automounts.
+	 */
+	while (xp &&
+	       (!(mf = xp->am_mnt) ||			/* No mounted filesystem */
+	        mf->mf_error != 0 ||			/* There was a mntfs error */
+	        xp->am_error != 0 ||			/* There was a mount error */
+	        !(mf->mf_flags & MFF_MOUNTED) ||	/* The fs is not mounted */
+	        (mf->mf_server->fs_flags & FSF_DOWN))	/* The fs may be down */
+		)
+		xp = xp->am_osib;
+
+	return xp;
+}
+
+static int afs_readdir P((am_node *mp, nfscookie cookie, struct dirlist *dp, struct entry *ep, int count));
+static int afs_readdir(mp, cookie, dp, ep, count)
+am_node *mp;
+nfscookie cookie;
+struct dirlist *dp;
+struct entry *ep;
+int count;
+{
+	unsigned int gen = *(unsigned int*) cookie;
+	am_node *xp;
+
+	dp->eof = FALSE;
+
+	if (gen == 0) {
+		/*
+		 * In the default instance (which is used to
+		 * start a search) we return "." and "..".
+		 *
+		 * This assumes that the count is big enough
+		 * to allow both "." and ".." to be returned in
+		 * a single packet.  If it isn't (which would
+		 * be fairly unbelievable) then tough.
+		 */
+#ifdef DEBUG
+		dlog("default search");
+#endif /* DEBUG */
+		/*
+		 * Check for enough room.  This is extremely
+		 * approximate but is more than enough space.
+		 * Really need 2 times:
+		 * 	4byte fileid
+		 * 	4byte cookie
+		 * 	4byte name length
+		 * 	4byte name
+		 * plus the dirlist structure
+		 */
+		if (count <
+			(2 * (2 * (sizeof(*ep) + sizeof("..") + 4)
+					+ sizeof(*dp))))
+			return EINVAL;
+
+		xp = next_nonerror_node(mp->am_child);
+		dp->entries = ep;
+
+		/* construct "." */
+		ep[0].fileid = mp->am_gen;
+		ep[0].name = ".";
+		ep[0].nextentry = &ep[1];
+		*(unsigned int *) ep[0].cookie = 0;
+
+		/* construct ".." */
+		if (mp->am_parent)
+			ep[1].fileid = mp->am_parent->am_gen;
+		else
+			ep[1].fileid = mp->am_gen;
+		ep[1].name = "..";
+		ep[1].nextentry = 0;
+		*(unsigned int *) ep[1].cookie =
+			xp ? xp->am_gen : ~(unsigned int)0;
+
+		if (!xp) dp->eof = TRUE;
+		return 0;
+	}
+
+#ifdef DEBUG
+	dlog("real child");
+#endif /* DEBUG */
+
+	if (gen == ~(unsigned int)0) {
+#ifdef DEBUG
+		dlog("End of readdir in %s", mp->am_path);
+#endif /* DEBUG */
+		dp->eof = TRUE;
+		dp->entries = 0;
+		return 0;
+	}
+
+	xp = mp->am_child;
+	while (xp && xp->am_gen != gen)
+		xp = xp->am_osib;
+
+	if (xp) {
+		int nbytes = count / 2;		/* conservative */
+		int todo = MAX_READDIR_ENTRIES;
+		dp->entries = ep;
+		do {
+			am_node *xp_next = next_nonerror_node(xp->am_osib);
+
+			if (xp_next) {
+				*(unsigned int *) ep->cookie = xp_next->am_gen;
+			} else {
+				*(unsigned int *) ep->cookie = ~(unsigned int)0;
+				dp->eof = TRUE;
+			}
+
+			ep->fileid = xp->am_gen;
+			ep->name = xp->am_name;
+			nbytes -= sizeof(*ep) + strlen(xp->am_name) + 1;
+
+			xp = xp_next;
+
+			if (nbytes > 0 && !dp->eof && todo > 1) {
+				ep->nextentry = ep + 1;
+				ep++;
+				--todo;
+			} else {
+				todo = 0;
+			}
+		} while (todo > 0);
+
+		ep->nextentry = 0;
+
+		return 0;
+	}
+
+	return ESTALE;
+
+}
+
+static am_node *dfs_readlink P((am_node *mp, int *error_return));
+static am_node *dfs_readlink(mp, error_return)
+am_node *mp;
+int *error_return;
+{
+	am_node *xp;
+	int rc = 0;
+
+	xp = next_nonerror_node(mp->am_child);
+	if (!xp) {
+		if (!mp->am_mnt->mf_private)
+			afs_mkcacheref(mp->am_mnt);	/* XXX */
+		xp = afs_lookuppn(mp, mp->am_path+1, &rc, VLOOK_CREATE);
+	}
+
+	if (xp) {
+		new_ttl(xp);	/* (7/12/89) from Rein Tollevik */
+		return xp;
+	}
+	if (amd_state == Finishing)
+		rc = ENOENT;
+	*error_return = rc;
+	return 0;
+}
+
+/*
+ * Ops structure
+ */
+am_ops root_ops = {
+	"root",
+	0, /* root_match */
+	0, /* root_init */
+	root_mount,
+	0,
+	afs_umount,
+	0,
+	afs_lookuppn,
+	afs_readdir,
+	0, /* root_readlink */
+	0, /* root_mounted */
+	0, /* root_umounted */
+	find_afs_srvr,
+	FS_NOTIMEOUT|FS_AMQINFO|FS_DIRECTORY
+};
+
+am_ops afs_ops = {
+	"auto",
+	afs_match,
+	0, /* afs_init */
+	afs_mount,
+	0,
+	afs_umount,
+	0,
+	afs_lookuppn,
+	afs_readdir,
+	0, /* afs_readlink */
+	0, /* afs_mounted */
+	afs_umounted,
+	find_afs_srvr,
+	FS_AMQINFO|FS_DIRECTORY
+};
+
+am_ops toplvl_ops = {
+	"toplvl",
+	afs_match,
+	0, /* afs_init */
+	toplvl_mount,
+	0,
+	toplvl_umount,
+	0,
+	afs_lookuppn,
+	afs_readdir,
+	0, /* toplvl_readlink */
+	toplvl_mounted,
+	0, /* toplvl_umounted */
+	find_afs_srvr,
+	FS_MKMNT|FS_NOTIMEOUT|FS_BACKGROUND|FS_AMQINFO|FS_DIRECTORY
+};
+
+am_ops dfs_ops = {
+	"direct",
+	afs_match,
+	0, /* dfs_init */
+	toplvl_mount,
+	0,
+	toplvl_umount,
+	0,
+	efs_lookuppn,
+	efs_readdir,
+	dfs_readlink,
+	toplvl_mounted,
+	0, /* afs_umounted */
+	find_afs_srvr,
+	FS_MKMNT|FS_NOTIMEOUT|FS_BACKGROUND|FS_AMQINFO
+};
+
+#ifdef HAS_UNION_FS
+am_ops union_ops = {
+	"union",
+	afs_match,
+	0, /* afs_init */
+	toplvl_mount,
+	0,
+	toplvl_umount,
+	0,
+	afs_lookuppn,
+	afs_readdir,
+	0, /* toplvl_readlink */
+	union_mounted,
+	0, /* toplvl_umounted */
+	find_afs_srvr,
+	FS_MKMNT|FS_NOTIMEOUT|FS_BACKGROUND|FS_AMQINFO|FS_DIRECTORY
+};
+#endif /* HAS_UNION_FS */
diff --git a/usr.sbin/amd/amd/am_ops.c b/usr.sbin/amd/amd/am_ops.c
new file mode 100644
index 0000000..4360110
--- /dev/null
+++ b/usr.sbin/amd/amd/am_ops.c
@@ -0,0 +1,181 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)am_ops.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: am_ops.c,v 5.2.2.1 1992/02/09 15:08:17 jsp beta $
+ *
+ */
+
+#include "am.h"
+
+static am_ops *vops[] = {
+#ifdef HAS_UFS
+	&ufs_ops,
+#endif
+#ifdef HAS_NFS
+	&nfs_ops,
+#endif
+#ifdef HAS_NFSX
+	&nfsx_ops,
+#endif
+#ifdef HAS_HOST
+	&host_ops,
+#endif
+#ifdef HAS_SFS
+	&sfs_ops,
+#endif
+#ifdef HAS_SFSX
+	&sfsx_ops,
+#endif
+#ifdef HAS_LOFS
+	&lofs_ops,
+#endif
+#ifdef HAS_PFS
+	&pfs_ops,
+#endif
+#ifdef HAS_UNION_FS
+	&union_ops,
+#endif
+	&afs_ops,	/* These four should be last ... */
+	&dfs_ops,	/* ... */
+	&toplvl_ops,	/* ... */
+	&efs_ops,	/* ... in the order afs; dfs; toplvl; efs */
+	0
+};
+
+void ops_showfstypes P((FILE *fp));
+void ops_showfstypes(fp)
+FILE *fp;
+{
+	struct am_ops **ap;
+	int l = 0;
+
+	for (ap = vops; *ap; ap++) {
+		fputs((*ap)->fs_type, fp);
+		if (ap[1]) fputs(", ", fp);
+		l += strlen((*ap)->fs_type) + 2;
+		if (l > 60) { l = 0; fputs("\n    ", fp); }
+	}
+}
+
+#ifdef SUNOS4_COMPAT
+#ifdef nomore
+/*
+ * Crack a SunOS4-style host:fs:sub-link line
+ * Construct an amd-style line and call the
+ * normal amd matcher.
+ */
+am_ops *sunos4_match(fo, key, g_key, path, keym, map)
+am_opts *fo;
+char *key;
+char *g_key;
+char *path;
+char *keym;
+char *map;
+{
+	char *host = key;
+	char *fs = strchr(host, ':');
+	char *sublink = fs ? strchr(fs+1, ':') : 0;
+	char keybuf[MAXPATHLEN];
+
+	sprintf(keybuf, "type:=nfs;rhost:=%s;rfs:=%s;sublink:=%s;opts:=%s", host,
+		fs ? fs+1 : "",
+		sublink ? sublink+1  : "",
+		g_key);
+	return ops_match(fo, keybuf, "", path, keym, map);
+}
+#endif
+#endif /* SUNOS4_COMPAT */
+
+am_ops *ops_match(fo, key, g_key, path, keym, map)
+am_opts *fo;
+char *key;
+char *g_key;
+char *path;
+char *keym;
+char *map;
+{
+	am_ops **vp;
+	am_ops *rop = 0;
+
+	/*
+	 * First crack the global opts and the local opts
+	 */
+	if (!eval_fs_opts(fo, key, g_key, path, keym, map)) {
+		rop = &efs_ops;
+	} else if (fo->opt_type == 0) {
+		plog(XLOG_USER, "No fs type specified (key = \"%s\", map = \"%s\")", keym, map);
+		rop = &efs_ops;
+	} else {
+		/*
+		 * Next find the correct filesystem type
+		 */
+		for (vp = vops; rop = *vp; vp++)
+			if (strcmp(rop->fs_type, fo->opt_type) == 0)
+				break;
+
+		if (!rop) {
+			plog(XLOG_USER, "fs type \"%s\" not recognised", fo->opt_type);
+			rop = &efs_ops;
+		}
+	}
+
+	/*
+	 * Make sure we have a default mount option.
+	 * Otherwise skip past any leading '-'.
+	 */
+	if (fo->opt_opts == 0)
+		fo->opt_opts = "rw,defaults";
+	else if (*fo->opt_opts == '-')
+		fo->opt_opts++;
+
+	/*
+	 * Check the filesystem is happy
+	 */
+	if (fo->fs_mtab)
+		free((voidp) fo->fs_mtab);
+
+	if (fo->fs_mtab = (*rop->fs_match)(fo))
+		return rop;
+
+	/*
+	 * Return error file system
+	 */
+	fo->fs_mtab = (*efs_ops.fs_match)(fo);
+	return &efs_ops;
+}
diff --git a/usr.sbin/amd/amd/amd.8 b/usr.sbin/amd/amd/amd.8
new file mode 100644
index 0000000..9fa01a2
--- /dev/null
+++ b/usr.sbin/amd/amd/amd.8
@@ -0,0 +1,232 @@
+.\"
+.\" Copyright (c) 1989 Jan-Simon Pendry
+.\" Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+.\" Copyright (c) 1989, 1991, 1993
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" This code is derived from software contributed to Berkeley by
+.\" Jan-Simon Pendry at Imperial College, London.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"     @(#)amd.8	5.10 (Berkeley) 4/19/94
+.\"
+.\" $Id: amd.8,v 5.2.2.1 1992/02/09 15:11:39 jsp beta $
+.\"
+.Dd "April 19, 1994"
+.Dt AMD 8
+.Os
+.Sh NAME
+.Nm amd
+.Nd automatically mount file systems
+.Sh SYNOPSIS
+.Nm amd
+.Op Fl nprv
+.Op Fl a Ar mount_point
+.Op Fl c Ar duration
+.Op Fl d Ar domain
+.Bk -words
+.Op Fl k Ar kernel-arch
+.Ek
+.Op Fl l Ar logfile
+.Op Fl t Ar interval.interval
+.Bk -words
+.Op Fl w Ar interval
+.Ek
+.Op Fl x Ar log-option
+.Op Fl y Ar YP-domain
+.Bk -words
+.Op Fl C Ar cluster-name
+.Ek
+.Op Fl D Ar option
+.Oo
+.Ar directory mapname
+.Op Fl map-options
+.Oc
+.Ar ...
+.Sh DESCRIPTION
+.Nm Amd
+is a daemon that automatically mounts filesystems
+whenever a file or directory
+within that filesystem is accessed.
+Filesystems are automatically unmounted when they
+appear to be quiescent.
+.Pp
+.Nm Amd
+operates by attaching itself as an
+.Tn NFS
+server to each of the specified
+.Ar directories .
+Lookups within the specified directories
+are handled by
+.Nm amd ,
+which uses the map defined by
+.Ar mapname
+to determine how to resolve the lookup.
+Generally, this will be a host name, some filesystem information
+and some mount options for the given filesystem.
+.Sh OPTIONS
+.Bl -tag -width Ds
+.It Fl a Ar temporary-directory
+Specify an alternative location for the real mount points.
+The default is
+.Pa /a .
+.It Fl c Ar duration
+Specify a
+.Ar duration ,
+in seconds, that a looked up name remains
+cached when not in use.  The default is 5 minutes.
+.It Fl d Ar domain
+Specify the local domain name.  If this option is not
+given the domain name is determined from the hostname.
+.It Fl k Ar kernel-arch
+Specifies the kernel architecture.  This is used solely
+to set the ${karch} selector.
+.It Fl l Ar logfile
+Specify a logfile in which to record mount and unmount events.
+If
+.Ar logfile
+is the string
+.Em syslog ,
+the log messages will be sent to the system log daemon by
+.Xr syslog 3 .
+.It Fl n
+Normalize hostnames.
+The name referred to by ${rhost} is normalized relative to the
+host database before being used.  The effect is to translate
+aliases into ``official'' names.
+.It Fl p
+Print
+.Em PID .
+Outputs the process-id of
+.Nm amd
+to standard output where it can be saved into a file.
+.It Fl r
+Restart existing mounts.
+.Nm Amd
+will scan the mount file table to determine which filesystems
+are currently mounted.  Whenever one of these would have
+been auto-mounted,
+.Nm amd
+.Em inherits
+it.
+.It Fl t Ar interval.interval
+Specify the
+.Ar interval ,
+in tenths of a second, between
+.Tn NFS/RPC/UDP
+retries.
+The default is 0.8 seconds.
+The second values alters the retransmit counter.
+Useful defaults are supplied if either or both
+values are missing.
+.It Fl v
+Version.  Displays version and configuration information on standard error.
+.It Fl w Ar interval
+Specify an
+.Ar interval ,
+in seconds, between attempts to dismount
+filesystems that have exceeded their cached times.
+The default is 2 minutes.
+.It Fl y Ar domain
+Specify an alternative
+.Tn NIS
+domain from which to fetch the
+.Tn NIS
+maps.
+The default is the system domain name.
+This option is ignored if
+.Tn NIS
+support is not available.
+.It Fl x Ar options
+Specify run-time logging options.  The options are a comma separated
+list chosen from: fatal, error, user, warn, info, map, stats, all.
+.It Fl D Ar option
+Select from a variety of debug options.  Prefixing an
+option with the string
+.Em no
+reverses the effect of that option.  Options are cumulative.
+The most useful option is
+.Ar all .
+.El
+.Pp
+Since
+.Fl D
+is only used for debugging other options are not documented here:
+the current supported set of options is listed by the
+.Fl v
+option
+and a fuller description is available in the program source.
+.Sh FILES
+.Bl -tag -width /axx
+.It Pa /a
+directory under which filesystems are dynamically mounted
+.El
+.Sh CAVEATS
+Some care may be required when creating a mount map.
+.Pp
+Symbolic links on an
+.Tn NFS
+filesystem can be incredibly inefficient.
+In most implementations of
+.Tn NFS ,
+their interpolations are not cached by
+the kernel and each time a symbolic link is
+encountered during a
+.Em lookuppn
+translation it costs an
+.Tn RPC
+call to the
+.Tn NFS
+server.
+A large improvement in real-time
+performance could be gained by adding a cache somewhere.
+Replacing
+.Xr symlinks 2
+with a suitable incarnation of the auto-mounter
+results in a large real-time speedup, but also causes a large
+number of process context switches.
+.Pp
+A weird imagination is most useful to gain full advantage of all
+the features.
+.Sh SEE ALSO
+.Xr amq 8 ,
+.Xr hostname 1 ,
+.Xr mount 8 ,
+.Xr umount 8 ,
+.Rs
+.%T Amd \- The 4.4 BSD Automounter
+.Re
+.Sh AUTHOR
+.An Jan-Simon Pendry
+<jsp@doc.ic.ac.uk>, Department of Computing, Imperial College, London, UK.
+.Sh HISTORY
+The
+.Nm amd
+utility first appeared in 4.4BSD.
diff --git a/usr.sbin/amd/amd/amd.c b/usr.sbin/amd/amd/amd.c
new file mode 100644
index 0000000..c3b2b61
--- /dev/null
+++ b/usr.sbin/amd/amd/amd.c
@@ -0,0 +1,344 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)amd.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: amd.c,v 5.2.2.1 1992/02/09 15:08:15 jsp beta $
+ *
+ */
+
+#ifndef lint
+static char copyright[] =
+"@(#) Copyright (c) 1989, 1993\n\
+	The Regents of the University of California.  All rights reserved.\n";
+#endif /* not lint */
+
+/*
+ * Automounter
+ */
+
+#include "am.h"
+#include <sys/signal.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <setjmp.h>
+
+char pid_fsname[16 + MAXHOSTNAMELEN];	/* "kiska.southseas.nz:(pid%d)" */
+char *progname;				/* "amd" */
+#ifdef HAS_HOST
+#ifdef HOST_EXEC
+char *host_helper;
+#endif /* HOST_EXEC */
+#endif /* HAS_HOST */
+char *auto_dir = "/a";
+char *hostdomain = "unknown.domain";
+char hostname[MAXHOSTNAMELEN] = "localhost"; /* Hostname */
+char hostd[2*MAXHOSTNAMELEN];		/* Host+domain */
+char *op_sys = OS_REP;			/* Name of current op_sys */
+char *arch = ARCH_REP;			/* Name of current architecture */
+char *endian = ARCH_ENDIAN;		/* Big or Little endian */
+char *wire;
+int foreground = 1;			/* This is the top-level server */
+int mypid;				/* Current process id */
+int immediate_abort;			/* Should close-down unmounts be retried */
+struct in_addr myipaddr;		/* (An) IP address of this host */
+serv_state amd_state;
+struct amd_stats amd_stats;		/* Server statistics */
+time_t do_mapc_reload = 0;		/* mapc_reload() call required? */
+jmp_buf select_intr;
+int select_intr_valid;
+int orig_umask;
+
+/*
+ * Signal handler:
+ * SIGINT - tells amd to do a full shutdown, including unmounting all filesystem.
+ * SIGTERM - tells amd to shutdown now.  Just unmounts the automount nodes.
+ */
+static void sigterm(sig)
+int sig;
+{
+#ifdef SYS5_SIGNALS
+	signal(sig, sigterm);
+#endif /* SYS5_SIGNALS */
+
+	switch (sig) {
+	case SIGINT:
+		immediate_abort = 15;
+		break;
+
+	case SIGTERM:
+		immediate_abort = -1;
+		/* fall through... */
+
+	default:
+		plog(XLOG_WARNING, "WARNING: automounter going down on signal %d", sig);
+		break;
+	}
+	if (select_intr_valid)
+		longjmp(select_intr, sig);
+}
+
+/*
+ * Hook for cache reload.
+ * When a SIGHUP arrives it schedules a call to mapc_reload
+ */
+/*ARGSUSED*/
+static void sighup(sig)
+int sig;
+{
+#ifdef SYS5_SIGNALS
+	signal(sig, sighup);
+#endif /* SYS5_SIGNALS */
+
+#ifdef DEBUG
+	if (sig != SIGHUP)
+		dlog("spurious call to sighup");
+#endif /* DEBUG */
+	/*
+	 * Force a reload by zero'ing the timer
+	 */
+	if (amd_state == Run)
+		do_mapc_reload = 0;
+}
+
+/*ARGSUSED*/
+static void parent_exit(sig)
+int sig;
+{
+	exit(0);
+}
+
+static int daemon_mode(P_void)
+{
+	int bgpid;
+
+	signal(SIGQUIT, parent_exit);
+	bgpid = background();
+
+	if (bgpid != 0) {
+		if (print_pid) {
+			printf("%d\n", bgpid);
+			fflush(stdout);
+		}
+		/*
+		 * Now wait for the automount points to
+		 * complete.
+		 */
+		for (;;)
+			pause();
+	}
+
+	signal(SIGQUIT, SIG_DFL);
+
+	/*
+	 * Pretend we are in the foreground again
+	 */
+	foreground = 1;
+
+#ifdef TIOCNOTTY
+	{
+		int t = open("/dev/tty", O_RDWR);
+		if (t < 0) {
+			if (errno != ENXIO)	/* not an error if already no controlling tty */
+				plog(XLOG_WARNING, "Could not open controlling tty: %m");
+		} else {
+			if (ioctl(t, TIOCNOTTY, 0) < 0 && errno != ENOTTY)
+				plog(XLOG_WARNING, "Could not disassociate tty (TIOCNOTTY): %m");
+			(void) close(t);
+		}
+	}
+#else
+	(void) setpgrp();
+#endif /* TIOCNOTTY */
+
+	return getppid();
+}
+
+main(argc, argv)
+int argc;
+char *argv[];
+{
+	char *domdot;
+	int ppid = 0;
+	int error;
+
+	/*
+	 * Make sure some built-in assumptions are true before we start
+	 */
+	assert(sizeof(nfscookie) >= sizeof (unsigned int));
+	assert(sizeof(int) >= 4);
+
+	/*
+	 * Set processing status.
+	 */
+	amd_state = Start;
+
+	/*
+	 * Determine program name
+	 */
+	if (argv[0]) {
+		progname = strrchr(argv[0], '/');
+		if (progname && progname[1])
+			progname++;
+		else
+			progname = argv[0];
+	}
+
+	if (!progname)
+		progname = "amd";
+
+	/*
+	 * Initialise process id.  This is kept
+	 * cached since it is used for generating
+	 * and using file handles.
+	 */
+	mypid = getpid();
+
+	/*
+	 * Get local machine name
+	 */
+	if (gethostname(hostname, sizeof(hostname)) < 0) {
+		plog(XLOG_FATAL, "gethostname: %m");
+		going_down(1);
+	}
+	/*
+	 * Check it makes sense
+	 */
+	if (!*hostname) {
+		plog(XLOG_FATAL, "host name is not set");
+		going_down(1);
+	}
+	/*
+	 * Partially initialise hostd[].  This
+	 * is completed in get_args().
+	 */
+	if (domdot = strchr(hostname, '.')) {
+		/*
+		 * Hostname already contains domainname.
+		 * Split out hostname and domainname
+		 * components
+		 */
+		*domdot++ = '\0';
+		hostdomain = domdot;
+	}
+	strcpy(hostd, hostname);
+
+	/*
+	 * Trap interrupts for shutdowns.
+	 */
+	(void) signal(SIGINT, sigterm);
+
+	/*
+	 * Hangups tell us to reload the cache
+	 */
+	(void) signal(SIGHUP, sighup);
+
+	/*
+	 * Trap Terminate so that we can shutdown gracefully (some chance)
+	 */
+	(void) signal(SIGTERM, sigterm);
+	/*
+	 * Trap Death-of-a-child.  These allow us to
+	 * pick up the exit status of backgrounded mounts.
+	 * See "sched.c".
+	 */
+	(void) signal(SIGCHLD, sigchld);
+
+	/*
+	 * Fix-up any umask problems.  Most systems default
+	 * to 002 which is not too convenient for our purposes
+	 */
+	orig_umask = umask(0);
+
+	/*
+	 * Figure out primary network name
+	 */
+	wire = getwire();
+
+	/*
+	 * Determine command-line arguments
+	 */
+	get_args(argc, argv);
+
+	/*
+	 * Get our own IP address so that we
+	 * can mount the automounter.
+	 */
+	{ struct sockaddr_in sin;
+	  get_myaddress(&sin);
+	  myipaddr.s_addr = sin.sin_addr.s_addr;
+	}
+
+	/*
+	 * Now check we are root.
+	 */
+	if (geteuid() != 0) {
+		plog(XLOG_FATAL, "Must be root to mount filesystems (euid = %d)", geteuid());
+		going_down(1);
+	}
+
+#ifdef HAS_NIS_MAPS
+	/*
+	 * If the domain was specified then bind it here
+	 * to circumvent any default bindings that may
+	 * be done in the C library.
+	 */
+	if (domain && yp_bind(domain)) {
+		plog(XLOG_FATAL, "Can't bind to domain \"%s\"", domain);
+		going_down(1);
+	}
+#endif /* HAS_NIS_MAPS */
+
+#ifdef DEBUG
+	Debug(D_DAEMON)
+#endif /* DEBUG */
+	ppid = daemon_mode();
+
+	sprintf(pid_fsname, "%s:(pid%d)", hostname, mypid);
+
+	do_mapc_reload = clocktime() + ONE_HOUR;
+
+	/*
+	 * Register automounter with system
+	 */
+	error = mount_automounter(ppid);
+	if (error && ppid)
+		kill(SIGALRM, ppid);
+	going_down(error);
+
+	abort();
+}
diff --git a/usr.sbin/amd/amd/amq_subr.c b/usr.sbin/amd/amd/amq_subr.c
new file mode 100644
index 0000000..cf04d9d
--- /dev/null
+++ b/usr.sbin/amd/amd/amq_subr.c
@@ -0,0 +1,464 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)amq_subr.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: amq_subr.c,v 5.2.2.1 1992/02/09 15:08:18 jsp beta $
+ *
+ */
+/*
+ * Auxilliary routines for amq tool
+ */
+
+#include "am.h"
+#include "amq.h"
+#include <ctype.h>
+
+/*ARGSUSED*/
+voidp
+amqproc_null_1(argp, rqstp)
+voidp argp;
+struct svc_req *rqstp;
+{
+	static char res;
+
+	return (voidp) &res;
+}
+
+/*
+ * Return a sub-tree of mounts
+ */
+/*ARGSUSED*/
+amq_mount_tree_p *
+amqproc_mnttree_1(argp, rqstp)
+voidp argp;
+struct svc_req *rqstp;
+{
+	static am_node *mp;
+	mp = find_ap(*(char **) argp);
+	return (amq_mount_tree_p *) &mp;
+}
+
+/*
+ * Unmount a single node
+ */
+/*ARGSUSED*/
+voidp
+amqproc_umnt_1(argp, rqstp)
+voidp argp;
+struct svc_req *rqstp;
+{
+	static char res;
+	am_node *mp = find_ap(*(char **) argp);
+	if (mp)
+		forcibly_timeout_mp(mp);
+
+	return (voidp) &res;
+}
+
+/*
+ * Return global statistics
+ */
+/*ARGSUSED*/
+amq_mount_stats *
+amqproc_stats_1(argp, rqstp)
+voidp argp;
+struct svc_req *rqstp;
+{
+	return (amq_mount_stats *) &amd_stats;
+}
+
+/*
+ * Return the entire tree of mount nodes
+ */
+/*ARGSUSED*/
+amq_mount_tree_list *
+amqproc_export_1(argp, rqstp)
+voidp argp;
+struct svc_req *rqstp;
+{
+	static amq_mount_tree_list aml;
+
+	aml.amq_mount_tree_list_val = (amq_mount_tree_p *) &exported_ap[0];
+	aml.amq_mount_tree_list_len = 1;	/* XXX */
+
+	return &aml;
+}
+
+int *
+amqproc_setopt_1(argp, rqstp)
+voidp argp;
+struct svc_req *rqstp;
+{
+	static int rc;
+
+	amq_setopt *opt = (amq_setopt *) argp;
+
+	rc = 0;
+	switch (opt->as_opt) {
+	case AMOPT_DEBUG:
+#ifdef DEBUG
+		if (debug_option(opt->as_str))
+			rc = EINVAL;
+#else
+		rc = EINVAL;
+#endif /* DEBUG */
+		break;
+
+	case AMOPT_LOGFILE:
+#ifdef not_yet
+		if (switch_to_logfile(opt->as_str))
+			rc = EINVAL;
+#else
+		rc = EACCES;
+#endif /* not_yet */
+		break;
+
+	case AMOPT_XLOG:
+		if (switch_option(opt->as_str))
+			rc = EINVAL;
+		break;
+
+	case AMOPT_FLUSHMAPC:
+		if (amd_state == Run) {
+			plog(XLOG_INFO, "amq says flush cache");
+			do_mapc_reload = 0;
+			flush_nfs_fhandle_cache((fserver *) 0);
+			flush_srvr_nfs_cache();
+		}
+		break;
+	}
+	return &rc;
+}
+
+amq_mount_info_list *
+amqproc_getmntfs_1(argp, rqstp)
+voidp argp;
+struct svc_req *rqstp;
+{
+extern qelem mfhead;
+	return (amq_mount_info_list *) &mfhead;	/* XXX */
+}
+
+static int ok_security(rqstp)
+struct svc_req *rqstp;
+{
+	struct sockaddr_in *sin;
+
+	sin = svc_getcaller(rqstp->rq_xprt);
+	if (ntohs(sin->sin_port) >= 1024 ||
+	    !(sin->sin_addr.s_addr == htonl(0x7f000001) ||
+	      sin->sin_addr.s_addr == myipaddr.s_addr)) {
+		char dq[20];
+		plog(XLOG_INFO, "AMQ request from %s.%d DENIED",
+		     inet_dquad(dq, sin->sin_addr.s_addr),
+		     ntohs(sin->sin_port));
+		return(0);
+	}
+	return(1);
+}
+
+int *
+amqproc_mount_1(argp, rqstp)
+voidp argp;
+struct svc_req *rqstp;
+{
+	static int rc;
+	char *s = *(amq_string *) argp;
+	char *cp;
+
+	plog(XLOG_INFO, "amq requested mount of %s", s);
+	/*
+	 * Minimalist security check.
+	 */
+	if (!ok_security(rqstp)) {
+		rc = EACCES;
+		return &rc;
+	}
+
+	/*
+	 * Find end of key
+	 */
+	for (cp = (char *) s; *cp&&(!isascii(*cp)||!isspace(*cp)); cp++)
+		;
+
+	if (!*cp) {
+		plog(XLOG_INFO, "amqproc_mount: Invalid arguments");
+		rc = EINVAL;
+		return &rc;
+	}
+	*cp++ = '\0';
+
+	/*
+	 * Find start of value
+	 */
+	while (*cp && isascii(*cp) && isspace(*cp))
+		cp++;
+
+	root_newmap(s, cp, (char *) 0);
+	rc = mount_auto_node(s, (voidp) root_node);
+	if (rc < 0)
+		return 0;
+	return &rc;
+}
+
+amq_string *
+amqproc_getvers_1(argp, rqstp)
+voidp argp;
+struct svc_req *rqstp;
+{
+static amq_string res;
+	res = version;
+	return &res;
+}
+
+/*
+ * XDR routines.
+ */
+bool_t
+xdr_amq_string(xdrs, objp)
+	XDR *xdrs;
+	amq_string *objp;
+{
+	if (!xdr_string(xdrs, objp, AMQ_STRLEN)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+bool_t
+xdr_amq_setopt(xdrs, objp)
+	XDR *xdrs;
+	amq_setopt *objp;
+{
+	if (!xdr_enum(xdrs, (enum_t *)&objp->as_opt)) {
+		return (FALSE);
+	}
+	if (!xdr_string(xdrs, &objp->as_str, AMQ_STRLEN)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+/*
+ * More XDR routines  - Should be used for OUTPUT ONLY.
+ */
+bool_t
+xdr_amq_mount_tree_node(xdrs, objp)
+	XDR *xdrs;
+	amq_mount_tree *objp;
+{
+	am_node *mp = (am_node *) objp;
+
+	if (!xdr_amq_string(xdrs, &mp->am_mnt->mf_info)) {
+		return (FALSE);
+	}
+	if (!xdr_amq_string(xdrs, &mp->am_path)) {
+		return (FALSE);
+	}
+	if (!xdr_amq_string(xdrs, mp->am_link ? &mp->am_link : &mp->am_mnt->mf_mount)) {
+		return (FALSE);
+	}
+	if (!xdr_amq_string(xdrs, &mp->am_mnt->mf_ops->fs_type)) {
+		return (FALSE);
+	}
+	if (!xdr_long(xdrs, &mp->am_stats.s_mtime)) {
+		return (FALSE);
+	}
+	if (!xdr_u_short(xdrs, &mp->am_stats.s_uid)) {
+		return (FALSE);
+	}
+	if (!xdr_int(xdrs, &mp->am_stats.s_getattr)) {
+		return (FALSE);
+	}
+	if (!xdr_int(xdrs, &mp->am_stats.s_lookup)) {
+		return (FALSE);
+	}
+	if (!xdr_int(xdrs, &mp->am_stats.s_readdir)) {
+		return (FALSE);
+	}
+	if (!xdr_int(xdrs, &mp->am_stats.s_readlink)) {
+		return (FALSE);
+	}
+	if (!xdr_int(xdrs, &mp->am_stats.s_statfs)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+bool_t
+xdr_amq_mount_subtree(xdrs, objp)
+	XDR *xdrs;
+	amq_mount_tree *objp;
+{
+	am_node *mp = (am_node *) objp;
+
+	if (!xdr_amq_mount_tree_node(xdrs, objp)) {
+		return (FALSE);
+	}
+	if (!xdr_pointer(xdrs, (char **)&mp->am_osib, sizeof(amq_mount_tree), xdr_amq_mount_subtree)) {
+		return (FALSE);
+	}
+	if (!xdr_pointer(xdrs, (char **)&mp->am_child, sizeof(amq_mount_tree), xdr_amq_mount_subtree)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+bool_t
+xdr_amq_mount_tree(xdrs, objp)
+	XDR *xdrs;
+	amq_mount_tree *objp;
+{
+	am_node *mp = (am_node *) objp;
+	am_node *mnil = 0;
+
+	if (!xdr_amq_mount_tree_node(xdrs, objp)) {
+		return (FALSE);
+	}
+	if (!xdr_pointer(xdrs, (char **)&mnil, sizeof(amq_mount_tree), xdr_amq_mount_subtree)) {
+		return (FALSE);
+	}
+	if (!xdr_pointer(xdrs, (char **)&mp->am_child, sizeof(amq_mount_tree), xdr_amq_mount_subtree)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+bool_t
+xdr_amq_mount_tree_p(xdrs, objp)
+	XDR *xdrs;
+	amq_mount_tree_p *objp;
+{
+	if (!xdr_pointer(xdrs, (char **)objp, sizeof(amq_mount_tree), xdr_amq_mount_tree)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+bool_t
+xdr_amq_mount_stats(xdrs, objp)
+	XDR *xdrs;
+	amq_mount_stats *objp;
+{
+	if (!xdr_int(xdrs, &objp->as_drops)) {
+		return (FALSE);
+	}
+	if (!xdr_int(xdrs, &objp->as_stale)) {
+		return (FALSE);
+	}
+	if (!xdr_int(xdrs, &objp->as_mok)) {
+		return (FALSE);
+	}
+	if (!xdr_int(xdrs, &objp->as_merr)) {
+		return (FALSE);
+	}
+	if (!xdr_int(xdrs, &objp->as_uerr)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+bool_t
+xdr_amq_mount_tree_list(xdrs, objp)
+	XDR *xdrs;
+	amq_mount_tree_list *objp;
+{
+	 if (!xdr_array(xdrs, (char **)&objp->amq_mount_tree_list_val, (u_int *)&objp->amq_mount_tree_list_len, ~0, sizeof(amq_mount_tree_p), xdr_amq_mount_tree_p)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+bool_t
+xdr_amq_mount_info_qelem(xdrs, qhead)
+	XDR *xdrs;
+	qelem *qhead;
+{
+	/*
+	 * Compute length of list
+	 */
+	mntfs *mf;
+	u_int len = 0;
+	for (mf = LAST(mntfs, qhead); mf != HEAD(mntfs, qhead); mf = PREV(mntfs, mf)) {
+		if (!(mf->mf_ops->fs_flags & FS_AMQINFO))
+			continue;
+		len++;
+	}
+	xdr_u_int(xdrs, &len);
+
+	/*
+	 * Send individual data items
+	 */
+	for (mf = LAST(mntfs, qhead); mf != HEAD(mntfs, qhead); mf = PREV(mntfs, mf)) {
+		int up;
+		if (!(mf->mf_ops->fs_flags & FS_AMQINFO))
+			continue;
+
+		if (!xdr_amq_string(xdrs, &mf->mf_ops->fs_type)) {
+			return (FALSE);
+		}
+		if (!xdr_amq_string(xdrs, &mf->mf_mount)) {
+			return (FALSE);
+		}
+		if (!xdr_amq_string(xdrs, &mf->mf_info)) {
+			return (FALSE);
+		}
+		if (!xdr_amq_string(xdrs, &mf->mf_server->fs_host)) {
+			return (FALSE);
+		}
+		if (!xdr_int(xdrs, &mf->mf_error)) {
+			return (FALSE);
+		}
+		if (!xdr_int(xdrs, &mf->mf_refc)) {
+			return (FALSE);
+		}
+		if (mf->mf_server->fs_flags & FSF_ERROR)
+			up = 0;
+		else switch (mf->mf_server->fs_flags & (FSF_DOWN|FSF_VALID)) {
+		case FSF_DOWN|FSF_VALID: up = 0; break;
+		case FSF_VALID: up = 1; break;
+		default: up = -1; break;
+		}
+		if (!xdr_int(xdrs, &up)) {
+			return (FALSE);
+		}
+	}
+	return (TRUE);
+}
diff --git a/usr.sbin/amd/amd/clock.c b/usr.sbin/amd/amd/clock.c
new file mode 100644
index 0000000..91e11ee
--- /dev/null
+++ b/usr.sbin/amd/amd/clock.c
@@ -0,0 +1,241 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)clock.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: clock.c,v 5.2.2.1 1992/02/09 15:08:20 jsp beta $
+ *
+ */
+
+/*
+ * Callouts.
+ *
+ * Modelled on kernel object of the same name.
+ * See usual references.
+ *
+ * Use of a heap-based mechanism was rejected:
+ * 1.  more complex implementation needed.
+ * 2.  not obvious that a list is too slow for Amd.
+ */
+
+#include "am.h"
+
+typedef struct callout callout;
+struct callout {
+	callout	*c_next;		/* List of callouts */
+	void	(*c_fn)();		/* Function to call */
+	voidp	c_closure;		/* Closure to pass to call */
+	time_t	c_time;			/* Time of call */
+	int	c_id;			/* Unique identifier */
+};
+
+static callout callouts;		/* List of pending callouts */
+static callout *free_callouts;		/* Cache of free callouts */
+static int nfree_callouts;		/* Number on free list */
+static int callout_id;			/* Next free callout identifier */
+time_t next_softclock;			/* Time of next call to softclock() */
+
+/*
+ * Number of callout slots we keep on the free list
+ */
+#define	CALLOUT_FREE_SLOP	10
+
+/*
+ * Global assumption: valid id's are non-zero.
+ */
+#define	CID_ALLOC()	(++callout_id)
+#define	CID_UNDEF	(0)
+
+static callout *alloc_callout(P_void);
+static callout *alloc_callout()
+{
+	callout *cp = free_callouts;
+	if (cp) {
+		--nfree_callouts;
+		free_callouts = free_callouts->c_next;
+		return cp;
+	}
+	return ALLOC(callout);
+}
+
+static void free_callout P((callout *cp));
+static void free_callout(cp)
+callout *cp;
+{
+	if (nfree_callouts > CALLOUT_FREE_SLOP) {
+		free((voidp) cp);
+	} else {
+		cp->c_next = free_callouts;
+		free_callouts = cp;
+		nfree_callouts++;
+	}
+}
+
+/*
+ * Schedule a callout.
+ *
+ * (*fn)(closure) will be called at clocktime() + secs
+ */
+int timeout P((unsigned int secs, void (*fn)(), voidp closure));
+int timeout(secs, fn, closure)
+unsigned int secs;
+void (*fn)();
+voidp closure;
+{
+	callout *cp, *cp2;
+	time_t t = clocktime() + secs;
+
+	/*
+	 * Allocate and fill in a new callout structure
+	 */
+	callout *cpnew = alloc_callout();
+	cpnew->c_closure = closure;
+	cpnew->c_fn = fn;
+	cpnew->c_time = t;
+	cpnew->c_id = CID_ALLOC();
+
+	if (t < next_softclock)
+		next_softclock = t;
+
+	/*
+	 * Find the correct place in the list
+	 */
+	for (cp = &callouts; cp2 = cp->c_next; cp = cp2)
+		if (cp2->c_time >= t)
+			break;
+
+	/*
+	 * And link it in
+	 */
+	cp->c_next = cpnew;
+	cpnew->c_next = cp2;
+
+	/*
+	 * Return callout identifier
+	 */
+	return cpnew->c_id;
+}
+
+/*
+ * De-schedule a callout
+ */
+void untimeout P((int id));
+void untimeout(id)
+int id;
+{
+	callout *cp, *cp2;
+	for (cp = &callouts; cp2 = cp->c_next; cp = cp2) {
+		if (cp2->c_id == id) {
+			cp->c_next = cp2->c_next;
+			free_callout(cp2);
+			break;
+		}
+	}
+}
+
+/*
+ * Reschedule after clock changed
+ */
+void reschedule_timeouts P((time_t now, time_t then));
+void reschedule_timeouts(now, then)
+time_t now;
+time_t then;
+{
+	callout *cp;
+
+	for (cp = callouts.c_next; cp; cp = cp->c_next) {
+		if (cp->c_time >= now && cp->c_time <= then) {
+			plog(XLOG_WARNING, "job %d rescheduled to run immediately", cp->c_id);
+#ifdef DEBUG
+			dlog("rescheduling job %d back %d seconds",
+				cp->c_id, cp->c_time - now);
+#endif
+			next_softclock = cp->c_time = now;
+		}
+	}
+}
+
+/*
+ * Clock handler
+ */
+int softclock(P_void);
+int softclock()
+{
+	time_t now;
+	callout *cp;
+
+	do {
+		if (task_notify_todo)
+			do_task_notify();
+
+		now = clocktime();
+
+		/*
+		 * While there are more callouts waiting...
+		 */
+		while ((cp = callouts.c_next) && cp->c_time <= now) {
+			/*
+			 * Extract first from list, save fn & closure and
+			 * unlink callout from list and free.
+			 * Finally call function.
+			 *
+			 * The free is done first because
+			 * it is quite common that the
+			 * function will call timeout()
+			 * and try to allocate a callout
+			 */
+			void (*fn)() = cp->c_fn;
+			voidp closure = cp->c_closure;
+
+			callouts.c_next = cp->c_next;
+			free_callout(cp);
+#ifdef DEBUG
+			/*dlog("Calling %#x(%#x)", fn, closure);*/
+#endif /* DEBUG */
+			(*fn)(closure);
+		}
+
+	} while (task_notify_todo);
+
+	/*
+	 * Return number of seconds to next event,
+	 * or 0 if there is no event.
+	 */
+	if (cp = callouts.c_next)
+		return cp->c_time - now;
+	return 0;
+}
diff --git a/usr.sbin/amd/amd/efs_ops.c b/usr.sbin/amd/amd/efs_ops.c
new file mode 100644
index 0000000..6630277
--- /dev/null
+++ b/usr.sbin/amd/amd/efs_ops.c
@@ -0,0 +1,135 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)efs_ops.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: efs_ops.c,v 5.2.2.1 1992/02/09 15:08:21 jsp beta $
+ *
+ */
+
+#include "am.h"
+
+#ifdef HAS_EFS
+
+/*
+ * Error file system.
+ * This is used as a last resort catchall if
+ * nothing else worked.  EFS just returns lots
+ * of error codes, except for unmount which
+ * always works of course.
+ */
+
+/*
+ * EFS file system always matches
+ */
+static char *efs_match(fo)
+am_opts *fo;
+{
+	return strdup("(error-hook)");
+}
+
+/*ARGSUSED*/
+static int efs_fmount(mf)
+mntfs *mf;
+{
+	return ENOENT;
+}
+
+/*ARGSUSED*/
+static int efs_fumount(mf)
+mntfs *mf;
+{
+	/*
+	 * Always succeed
+	 */
+
+	return 0;
+}
+
+/*
+ * EFS interface to RPC lookup() routine.
+ * Should never get here in the automounter.
+ * If we do then just give an error.
+ */
+/*ARGSUSED*/
+am_node *efs_lookuppn(mp, fname, error_return, op)
+am_node *mp;
+char *fname;
+int *error_return;
+int op;
+{
+	*error_return = ESTALE;
+	return 0;
+}
+
+/*
+ * EFS interface to RPC readdir() routine.
+ * Should never get here in the automounter.
+ * If we do then just give an error.
+ */
+/*ARGSUSED*/
+int efs_readdir(mp, cookie, dp, ep, count)
+am_node *mp;
+nfscookie cookie;
+dirlist *dp;
+entry *ep;
+int count;
+{
+	return ESTALE;
+}
+
+/*
+ * Ops structure
+ */
+am_ops efs_ops = {
+	"error",
+	efs_match,
+	0, /* efs_init */
+	auto_fmount,
+	efs_fmount,
+	auto_fumount,
+	efs_fumount,
+	efs_lookuppn,
+	efs_readdir,
+	0, /* efs_readlink */
+	0, /* efs_mounted */
+	0, /* efs_umounted */
+	find_afs_srvr,
+	FS_DISCARD
+};
+
+#endif /* HAS_EFS */
diff --git a/usr.sbin/amd/amd/get_args.c b/usr.sbin/amd/amd/get_args.c
new file mode 100644
index 0000000..0567d5d
--- /dev/null
+++ b/usr.sbin/amd/amd/get_args.c
@@ -0,0 +1,336 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)get_args.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: get_args.c,v 5.2.2.1 1992/02/09 15:08:23 jsp beta $
+ *
+ */
+
+/*
+ * Argument decode
+ */
+
+#include "am.h"
+#ifdef HAS_SYSLOG
+#include <syslog.h>
+#endif /* HAS_SYSLOG */
+#include <sys/stat.h>
+
+extern int optind;
+extern char *optarg;
+
+#if defined(DEBUG) && defined(PARANOID)
+char **gargv;
+#endif /* defined(DEBUG) && defined(PARANOID) */
+int restart_existing_mounts;
+int print_pid;
+int normalize_hosts;
+char *karch;			/* Kernel architecture */
+char *cluster;			/* Cluster name */
+#ifdef HAS_NIS_MAPS
+char *domain;			/* YP domain */
+#endif /* HAS_NIS_MAPS */
+#ifdef UPDATE_MTAB
+char *mtab;
+#endif /* UPDATE_MTAB */
+int afs_timeo = -1;
+int afs_retrans = -1;
+int am_timeo = AM_TTL;
+int am_timeo_w = AM_TTL_W;
+
+#ifdef DEBUG
+/*
+ * List of debug options.
+ */
+static struct opt_tab dbg_opt[] = {
+	{ "all", D_ALL },		/* All */
+	{ "amq", D_AMQ },		/* Register for AMQ program */
+	{ "daemon", D_DAEMON },		/* Enter daemon mode */
+	{ "full", D_FULL },		/* Program trace */
+	{ "mem", D_MEM },		/* Trace memory allocations */
+	{ "mtab", D_MTAB },		/* Use local mtab file */
+	{ "str", D_STR },		/* Debug string munging */
+	{ "test", D_TEST },		/* Full debug - but no daemon */
+	{ "trace", D_TRACE },		/* Protocol trace */
+	{ 0, 0 }
+};
+
+int debug_flags = D_AMQ			/* Register AMQ */
+		 |D_DAEMON		/* Enter daemon mode */
+		 ;
+
+/*
+ * Switch on/off debug options
+ */
+int debug_option(opt)
+char *opt;
+{
+	return cmdoption(opt, dbg_opt, &debug_flags);
+}
+#endif /* DEBUG */
+
+void get_args(c, v)
+int c;
+char *v[];
+{
+	int opt_ch;
+	int usage = 0;
+	char *logfile = 0;
+	char *sub_domain = 0;
+
+	while ((opt_ch = getopt(c, v, "mnprva:c:d:h:k:l:t:w:x:y:C:D:")) != EOF)
+	switch (opt_ch) {
+	case 'a':
+		if (*optarg != '/') {
+			fprintf(stderr, "%s: -a option must begin with a '/'\n",
+					progname);
+			exit(1);
+		}
+		auto_dir = optarg;
+		break;
+
+	case 'c':
+		am_timeo = atoi(optarg);
+		if (am_timeo <= 0)
+			am_timeo = AM_TTL;
+		break;
+
+	case 'd':
+		sub_domain = optarg;
+		break;
+
+	case 'h':
+#if defined(HAS_HOST) && defined(HOST_EXEC)
+		host_helper = optarg;
+#else
+		plog(XLOG_USER, "-h: option ignored.  HOST_EXEC is not enabled.");
+		break;
+#endif /* defined(HAS_HOST) && defined(HOST_EXEC) */
+
+	case 'k':
+		karch = optarg;
+		break;
+
+	case 'l':
+		logfile = optarg;
+		break;
+
+	case 'm':
+		plog(XLOG_USER, "The -m option is no longer supported.");
+		plog(XLOG_USER, "... Use `ypcat -k am.master` on the command line instead");
+		break;
+
+	case 'n':
+		normalize_hosts = 1;
+		break;
+
+	case 'p':
+		print_pid = 1;
+		break;
+
+	case 'r':
+		restart_existing_mounts = 1;
+		break;
+
+	case 't':
+		/* timeo.retrans */
+		{ char *dot = strchr(optarg, '.');
+		  if (dot) *dot = '\0';
+		  if (*optarg) {
+			afs_timeo = atoi(optarg);
+		  }
+		  if (dot) {
+		  	afs_retrans = atoi(dot+1);
+			*dot = '.';
+		  }
+		}
+		break;
+
+	case 'v':
+		fprintf(stderr, "%s%s (%s-endian).\n", copyright, version, endian);
+		fputs("Map support for: ", stderr);
+		mapc_showtypes(stderr);
+		fputs(".\nFS: ", stderr);
+		ops_showfstypes(stderr);
+		fputs(".\n", stderr);
+		fprintf(stderr, "Primary network is %s.\n", wire);
+		exit(0);
+		break;
+
+	case 'w':
+		am_timeo_w = atoi(optarg);
+		if (am_timeo_w <= 0)
+			am_timeo_w = AM_TTL_W;
+		break;
+
+	case 'x':
+		usage += switch_option(optarg);
+		break;
+
+	case 'y':
+#ifdef HAS_NIS_MAPS
+		domain = optarg;
+#else
+		plog(XLOG_USER, "-y: option ignored.  No NIS support available.");
+#endif /* HAS_NIS_MAPS */
+		break;
+
+	case 'C':
+		cluster = optarg;
+		break;
+
+	case 'D':
+#ifdef DEBUG
+		usage += debug_option(optarg);
+#else
+		fprintf(stderr, "%s: not compiled with DEBUG option -- sorry.\n", progname);
+#endif /* DEBUG */
+		break;
+
+	default:
+		usage = 1;
+		break;
+	}
+
+	if (xlog_level_init == ~0) {
+		(void) switch_option("");
+#ifdef DEBUG
+		usage += switch_option("debug");
+#endif /* DEBUG */
+	} else {
+#ifdef DEBUG
+		usage += switch_option("debug");
+#endif /* DEBUG */
+	}
+
+	if (usage)
+		goto show_usage;
+
+	while (optind <= c-2) {
+		char *dir = v[optind++];
+		char *map = v[optind++];
+		char *opts = "";
+		if (v[optind] && *v[optind] == '-')
+			opts = &v[optind++][1];
+
+		root_newmap(dir, opts, map);
+	}
+
+	if (optind == c) {
+#ifdef hpux
+		/*
+		 * HP-UX can't handle ./mtab
+		 * That system is sick - really.
+		 */
+#ifdef	DEBUG
+		debug_option("nomtab");
+#endif	/* DEBUG */
+#endif	/* hpux */
+
+		/*
+		 * Append domain name to hostname.
+		 * sub_domain overrides hostdomain
+		 * if given.
+		 */
+		if (sub_domain)
+			hostdomain = sub_domain;
+		if (*hostdomain == '.')
+			hostdomain++;
+		strcat(hostd,  ".");
+		strcat(hostd, hostdomain);
+
+#ifdef UPDATE_MTAB
+#ifdef DEBUG
+		if (debug_flags & D_MTAB)
+			mtab = DEBUG_MTAB;
+		else
+#endif /* DEBUG */
+		mtab = MOUNTED;
+#else
+#ifdef DEBUG
+		{ if (debug_flags & D_MTAB) {
+			dlog("-D mtab option ignored");
+		} }
+#endif /* DEBUG */
+#endif /* UPDATE_MTAB */
+
+		if (switch_to_logfile(logfile) != 0)
+			plog(XLOG_USER, "Cannot switch logfile");
+
+		/*
+		 * If the kernel architecture was not specified
+		 * then use the machine architecture.
+		 */
+		if (karch == 0)
+			karch = arch;
+
+		if (cluster == 0)
+			cluster = hostdomain;
+
+		if (afs_timeo <= 0)
+			afs_timeo = AFS_TIMEO;
+		if (afs_retrans <= 0)
+			afs_retrans = AFS_RETRANS;
+		if (afs_retrans <= 0)
+			afs_retrans = 3;	/* XXX */
+		return;
+	}
+
+show_usage:
+	fprintf(stderr,
+"Usage: %s [-mnprv] [-a mnt_point] [-c cache_time] [-d domain]\n\
+\t[-k kernel_arch] [-l logfile|\"syslog\"] [-t afs_timeout]\n\
+\t[-w wait_timeout] [-C cluster_name]", progname);
+
+#if defined(HAS_HOST) && defined(HOST_EXEC)
+	fputs(" [-h host_helper]\n", stderr);
+#endif /* defined(HAS_HOST) && defined(HOST_EXEC) */
+
+#ifdef HAS_NIS_MAPS
+	fputs(" [-y nis-domain]\n", stderr);
+#else
+	fputc('\n', stderr);
+#endif /* HAS_NIS_MAPS */
+
+	show_opts('x', xlog_opt);
+#ifdef DEBUG
+	show_opts('D', dbg_opt);
+#endif /* DEBUG */
+	fprintf(stderr, "\t{directory mapname [-map_options]} ...\n");
+	exit(1);
+}
diff --git a/usr.sbin/amd/amd/host_ops.c b/usr.sbin/amd/amd/host_ops.c
new file mode 100644
index 0000000..ba0dedb
--- /dev/null
+++ b/usr.sbin/amd/amd/host_ops.c
@@ -0,0 +1,681 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)host_ops.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: host_ops.c,v 5.2.2.2 1992/05/31 16:36:08 jsp Exp $
+ *
+ */
+
+#include "am.h"
+
+#ifdef HAS_HOST
+
+#include "mount.h"
+#include <sys/stat.h>
+
+/*
+ * NFS host file system.
+ * Mounts all exported filesystems from a given host.
+ * This has now degenerated into a mess but will not
+ * be rewritten.  Amd 6 will support the abstractions
+ * needed to make this work correctly.
+ */
+
+/*
+ * Define HOST_RPC_UDP to use dgram instead of stream RPC.
+ * Datagrams are generally much faster.
+ */
+/*#define	HOST_RPC_UDP*/
+
+/*
+ * Define HOST_MKDIRS to make Amd automatically try
+ * to create the mount points.
+ */
+#define HOST_MKDIRS
+
+/*
+ * Determine the mount point
+ */
+#define MAKE_MNTPT(mntpt, ex, mf) { \
+			if (strcmp((ex)->ex_dir, "/") == 0) \
+				strcpy((mntpt), (mf)->mf_mount); \
+			else \
+				sprintf((mntpt), "%s%s", (mf)->mf_mount, (ex)->ex_dir); \
+}
+
+/*
+ * Execute needs the same as NFS plus a helper command
+ */
+static char *host_match P((am_opts *fo));
+static char *host_match(fo)
+am_opts *fo;
+{
+#ifdef HOST_EXEC
+	if (!host_helper) {
+		plog(XLOG_USER, "No host helper command given");
+		return FALSE;
+	}
+#endif /* HOST_EXEC */
+
+	/*
+	 * Make sure rfs is specified to keep nfs_match happy...
+	 */
+	if (!fo->opt_rfs)
+		fo->opt_rfs = "/";
+
+	
+	return (*nfs_ops.fs_match)(fo);
+}
+
+static int host_init(mf)
+mntfs *mf;
+{
+	if (strchr(mf->mf_info, ':') == 0)
+		return ENOENT;
+	return 0;
+}
+
+/*
+ * Two implementations:
+ * HOST_EXEC gets you the external version.  The program specified with
+ * the -h option is called.  The external program is not published...
+ * roll your own.
+ *
+ * Otherwise you get the native version.  Faster but makes the program
+ * bigger.
+ */
+
+#ifndef HOST_EXEC
+
+static bool_t
+xdr_pri_free(xdr_args, args_ptr)
+xdrproc_t xdr_args;
+caddr_t args_ptr;
+{
+	XDR xdr;
+	xdr.x_op = XDR_FREE;
+	return ((*xdr_args)(&xdr, args_ptr));
+}
+
+static int do_mount P((fhstatus *fhp, char *dir, char *fs_name, char *opts, mntfs *mf));
+static int do_mount(fhp, dir, fs_name, opts, mf)
+fhstatus *fhp;
+char *dir;
+char *fs_name;
+char *opts;
+mntfs *mf;
+{
+	struct stat stb;
+#ifdef DEBUG
+	dlog("host: mounting fs %s on %s\n", fs_name, dir);
+#endif /* DEBUG */
+#ifdef HOST_MKDIRS
+	(void) mkdirs(dir, 0555);
+#endif /* HOST_MKDIRS */
+	if (stat(dir, &stb) < 0 || (stb.st_mode & S_IFMT) != S_IFDIR) {
+		plog(XLOG_ERROR, "No mount point for %s - skipping", dir);
+		return ENOENT;
+	}
+
+	return mount_nfs_fh(fhp, dir, fs_name, opts, mf);
+}
+
+static int sortfun P((exports *a, exports *b));
+static int sortfun(a, b)
+exports *a,*b;
+{
+	return strcmp((*a)->ex_dir, (*b)->ex_dir);
+}
+
+/*
+ * Get filehandle
+ */
+static int fetch_fhandle P((CLIENT *client, char *dir, fhstatus *fhp));
+static int fetch_fhandle(client, dir, fhp)
+CLIENT *client;
+char *dir;
+fhstatus *fhp;
+{
+	struct timeval tv;
+	enum clnt_stat clnt_stat;
+
+	/*
+	 * Pick a number, any number...
+	 */
+	tv.tv_sec = 20;
+	tv.tv_usec = 0;
+
+#ifdef DEBUG
+	dlog("Fetching fhandle for %s", dir);
+#endif /* DEBUG */
+	/*
+	 * Call the mount daemon on the remote host to
+	 * get the filehandle.
+	 */
+	clnt_stat = clnt_call(client, MOUNTPROC_MNT, xdr_dirpath, &dir, xdr_fhstatus, fhp, tv);
+	if (clnt_stat != RPC_SUCCESS) {
+		extern char *clnt_sperrno();
+		char *msg = clnt_sperrno(clnt_stat);
+		plog(XLOG_ERROR, "mountd rpc failed: %s", msg);
+		return EIO;
+	}
+	/*
+	 * Check status of filehandle
+	 */
+	if (fhp->fhs_status) {
+#ifdef DEBUG
+		errno = fhp->fhs_status;
+		dlog("fhandle fetch failed: %m");
+#endif /* DEBUG */
+		return fhp->fhs_status;
+	}
+	return 0;
+}
+
+/*
+ * Scan mount table to see if something already mounted
+ */
+static int already_mounted P((mntlist *mlist, char*dir));
+static int already_mounted(mlist, dir)
+mntlist *mlist;
+char *dir;
+{
+	mntlist *ml;
+
+	for (ml = mlist; ml; ml = ml->mnext)
+		if (strcmp(ml->mnt->mnt_dir, dir) == 0)
+			return 1;
+	return 0;
+}
+
+/*
+ * Mount the export tree from a host
+ */
+static int host_fmount P((mntfs *mf));
+static int host_fmount(mf)
+mntfs *mf;
+{
+	struct timeval tv2;
+	CLIENT *client;
+	enum clnt_stat clnt_stat;
+	int n_export;
+	int j, k;
+	exports exlist = 0, ex;
+	exports *ep = 0;
+	fhstatus *fp = 0;
+	char *host = mf->mf_server->fs_host;
+	int error = 0;
+	struct sockaddr_in sin;
+	int sock = RPC_ANYSOCK;
+	int ok = FALSE;
+	mntlist *mlist;
+	char fs_name[MAXPATHLEN], *rfs_dir;
+	char mntpt[MAXPATHLEN];
+	struct timeval tv;
+	tv.tv_sec = 10; tv.tv_usec = 0;
+
+	/*
+	 * Read the mount list
+	 */
+	mlist = read_mtab(mf->mf_mount);
+
+	/*
+	 * Unlock the mount list
+	 */
+	unlock_mntlist();
+
+	/*
+	 * Take a copy of the server address
+	 */
+	sin = *mf->mf_server->fs_ip;
+
+	/*
+	 * Zero out the port - make sure we recompute
+	 */
+	sin.sin_port = 0;
+	/*
+	 * Make a client end-point.
+	 * Try TCP first
+	 */
+	if ((client = clnttcp_create(&sin, MOUNTPROG, MOUNTVERS, &sock, 0, 0)) == NULL &&
+		(client = clntudp_create(&sin, MOUNTPROG, MOUNTVERS, tv, &sock)) == NULL) {
+		plog(XLOG_ERROR, "Failed to make rpc connection to mountd on %s", host);
+		error = EIO;
+		goto out;
+	}
+
+	if (!nfs_auth) {
+		error = make_nfs_auth();
+		if (error)
+			goto out;
+	}
+
+	client->cl_auth = nfs_auth;
+
+#ifdef DEBUG
+	dlog("Fetching export list from %s", host);
+#endif /* DEBUG */
+
+	/*
+	 * Fetch the export list
+	 */
+	tv2.tv_sec = 10; tv2.tv_usec = 0;
+	clnt_stat = clnt_call(client, MOUNTPROC_EXPORT, xdr_void, 0, xdr_exports, &exlist, tv2);
+	if (clnt_stat != RPC_SUCCESS) {
+		/*clnt_perror(client, "rpc");*/
+		error = EIO;
+		goto out;
+	}
+
+	/*
+	 * Figure out how many exports were returned
+	 */
+	for (n_export = 0, ex = exlist; ex; ex = ex->ex_next) {
+		/*printf("export %s\n", ex->ex_dir);*/
+		n_export++;
+	}
+#ifdef DEBUG
+	/*dlog("%d exports returned\n", n_export);*/
+#endif /* DEBUG */
+
+	/*
+	 * Allocate an array of pointers into the list
+	 * so that they can be sorted.  If the filesystem
+	 * is already mounted then ignore it.
+	 */
+	ep = (exports *) xmalloc(n_export * sizeof(exports));
+	for (j = 0, ex = exlist; ex; ex = ex->ex_next) {
+		MAKE_MNTPT(mntpt, ex, mf);
+		if (!already_mounted(mlist, mntpt))
+			ep[j++] = ex;
+	}
+	n_export = j;
+
+	/*
+	 * Sort into order.
+	 * This way the mounts are done in order down the tree,
+	 * instead of any random order returned by the mount
+	 * daemon (the protocol doesn't specify...).
+	 */
+	qsort(ep, n_export, sizeof(exports), sortfun);
+
+	/*
+	 * Allocate an array of filehandles
+	 */
+	fp = (fhstatus *) xmalloc(n_export * sizeof(fhstatus));
+
+	/*
+	 * Try to obtain filehandles for each directory.
+	 * If a fetch fails then just zero out the array
+	 * reference but discard the error.
+	 */
+	for (j = k = 0; j < n_export; j++) {
+		/* Check and avoid a duplicated export entry */
+		if (j > k && ep[k] && strcmp(ep[j]->ex_dir, ep[k]->ex_dir) == 0) {
+#ifdef DEBUG
+			dlog("avoiding dup fhandle requested for %s", ep[j]->ex_dir);
+#endif
+			ep[j] = 0;
+		} else {
+			k = j;
+			if (error = fetch_fhandle(client, ep[j]->ex_dir, &fp[j]))
+				ep[j] = 0;
+		}
+	}
+
+	/*
+	 * Mount each filesystem for which we have a filehandle.
+	 * If any of the mounts succeed then mark "ok" and return
+	 * error code 0 at the end.  If they all fail then return
+	 * the last error code.
+	 */
+	strncpy(fs_name, mf->mf_info, sizeof(fs_name));
+	if ((rfs_dir = strchr(fs_name, ':')) == (char *) 0) {
+		plog(XLOG_FATAL, "host_fmount: mf_info has no colon");
+		error = EINVAL;
+		goto out;
+	}
+	++rfs_dir;
+	for (j = 0; j < n_export; j++) {
+		ex = ep[j];
+		if (ex) {
+			strcpy(rfs_dir, ex->ex_dir);
+			MAKE_MNTPT(mntpt, ex, mf);
+			if (do_mount(&fp[j], mntpt, fs_name, mf->mf_mopts, mf) == 0)
+				ok = TRUE;
+		}
+	}
+
+	/*
+	 * Clean up and exit
+	 */
+out:
+	discard_mntlist(mlist);
+	if (ep)
+		free(ep);
+	if (fp)
+		free(fp);
+	if (client)
+		clnt_destroy(client);
+	if (exlist)
+		xdr_pri_free(xdr_exports, &exlist);
+	if (ok)
+		return 0;
+	return error;
+}
+
+/*
+ * Return true if pref is a directory prefix of dir.
+ *
+ * TODO:
+ * Does not work if pref is "/".
+ */
+static int directory_prefix P((char *pref, char *dir));
+static int directory_prefix(pref, dir)
+char *pref;
+char *dir;
+{
+	int len = strlen(pref);
+	if (strncmp(pref, dir, len) != 0)
+		return FALSE;
+	if (dir[len] == '/' || dir[len] == '\0')
+		return TRUE;
+	return FALSE;
+}
+
+/*
+ * Unmount a mount tree
+ */
+static int host_fumount P((mntfs *mf));
+static int host_fumount(mf)
+mntfs *mf;
+{
+	mntlist *ml, *mprev;
+	int xerror = 0;
+
+	/*
+	 * Read the mount list
+	 */
+	mntlist *mlist = read_mtab(mf->mf_mount);
+
+	/*
+	 * Unlock the mount list
+	 */
+	unlock_mntlist();
+
+	/*
+	 * Reverse list...
+	 */
+	ml = mlist;
+	mprev = 0;
+	while (ml) {
+		mntlist *ml2 = ml->mnext;
+		ml->mnext = mprev;
+		mprev = ml;
+		ml = ml2;
+	}
+	mlist = mprev;
+
+	/*
+	 * Unmount all filesystems...
+	 */
+	for (ml = mlist; ml && !xerror; ml = ml->mnext) {
+		char *dir = ml->mnt->mnt_dir;
+		if (directory_prefix(mf->mf_mount, dir)) {
+			int error;
+#ifdef DEBUG
+			dlog("host: unmounts %s", dir);
+#endif /* DEBUG */
+			/*
+			 * Unmount "dir"
+			 */
+			error = UMOUNT_FS(dir);
+			/*
+			 * Keep track of errors
+			 */
+			if (error) {
+				if (!xerror)
+					xerror = error;
+				if (error != EBUSY) {
+					errno = error;
+					plog("Tree unmount of %s failed: %m", ml->mnt->mnt_dir);
+				}
+			} else {
+#ifdef HOST_MKDIRS
+				(void) rmdirs(dir);
+#endif /* HOST_MKDIRS */
+			}
+		}
+	}
+
+	/*
+	 * Throw away mount list
+	 */
+	discard_mntlist(mlist);
+
+	/*
+	 * Try to remount, except when we are shutting down.
+	 */
+	if (xerror && amd_state != Finishing) {
+		xerror = host_fmount(mf);
+		if (!xerror) {
+			/*
+			 * Don't log this - it's usually too verbose
+			plog(XLOG_INFO, "Remounted host %s", mf->mf_info);
+			 */
+			xerror = EBUSY;
+		}
+	}
+	return xerror;
+}
+
+/*
+ * Tell mountd we're done.
+ * This is not quite right, because we may still
+ * have other filesystems mounted, but the existing
+ * mountd protocol is badly broken anyway.
+ */
+static void host_umounted(mp)
+am_node *mp;
+{
+#ifdef INFORM_MOUNTD
+	mntfs *mf = mp->am_mnt;
+	char *host;
+	CLIENT *client;
+	enum clnt_stat clnt_stat;
+	struct sockaddr_in sin;
+	int sock = RPC_ANYSOCK;
+	struct timeval tv;
+	tv.tv_sec = 10; tv.tv_usec = 0;
+
+	if (mf->mf_error || mf->mf_refc > 1 || ! mf->mf_server)
+		return;
+
+	host = mf->mf_server->fs_host;
+	sin = *mf->mf_server->fs_ip;
+
+	/*
+	 * Zero out the port - make sure we recompute
+	 */
+	sin.sin_port = 0;
+	/*
+	 * Make a client end-point.
+	 * Try TCP first
+	 */
+	if ((client = clnttcp_create(&sin, MOUNTPROG, MOUNTVERS, &sock, 0, 0)) == NULL &&
+		(client = clntudp_create(&sin, MOUNTPROG, MOUNTVERS, tv, &sock)) == NULL) {
+		plog(XLOG_ERROR, "Failed to make rpc connection to mountd on %s", host);
+		goto out;
+	}
+
+	if (!nfs_auth) {
+		if (make_nfs_auth())
+			goto out;
+	}
+
+	client->cl_auth = nfs_auth;
+
+#ifdef DEBUG
+	dlog("Unmounting all from %s", host);
+#endif /* DEBUG */
+
+	clnt_stat = clnt_call(client, MOUNTPROC_UMNTALL, xdr_void, 0, xdr_void, 0, tv);
+	if (clnt_stat != RPC_SUCCESS && clnt_stat != RPC_SYSTEMERROR) {
+		/* RPC_SYSTEMERROR seems to be returned for no good reason ...*/
+		extern char *clnt_sperrno();
+		char *msg = clnt_sperrno(clnt_stat);
+		plog(XLOG_ERROR, "unmount all from %s rpc failed: %s", host, msg, clnt_stat);
+		goto out;
+	}
+
+out:
+	if (client)
+		clnt_destroy(client);
+
+#endif /* INFORM_MOUNTD */
+}
+
+
+#else /* HOST_EXEC */
+
+static int host_exec P((char*op, char*host, char*fs, char*opts));
+static int host_exec(op, host, fs, opts)
+char *op;
+char *host;
+char *fs;
+char *opts;
+{
+	int error;
+	char *argv[7];
+
+	/*
+	 * Build arg vector
+	 */
+	argv[0] = host_helper;
+	argv[1] = host_helper;
+	argv[2] = op;
+	argv[3] = host;
+	argv[4] = fs;
+	argv[5] = opts && *opts ? opts : "rw,default";
+	argv[6] = 0;
+
+	/*
+	 * Put stdout to stderr
+	 */
+	(void) fclose(stdout);
+	(void) dup(fileno(logfp));
+	if (fileno(logfp) != fileno(stderr)) {
+		(void) fclose(stderr);
+		(void) dup(fileno(logfp));
+	}
+	/*
+	 * Try the exec
+	 */
+#ifdef DEBUG
+	Debug(D_FULL) {
+		char **cp = argv;
+		plog(XLOG_DEBUG, "executing (un)mount command...");
+		while (*cp) {
+	  		plog(XLOG_DEBUG, "arg[%d] = '%s'", cp-argv, *cp);
+			cp++;
+		}
+	}
+#endif /* DEBUG */
+	if (argv[0] == 0 || argv[1] == 0) {
+		errno = EINVAL;
+		plog(XLOG_USER, "1st/2nd args missing to (un)mount program");
+	} else {
+		(void) execv(argv[0], argv+1);
+	}
+	/*
+	 * Save error number
+	 */
+	error = errno;
+	plog(XLOG_ERROR, "exec %s failed: %m", argv[0]);
+
+	/*
+	 * Return error
+	 */
+	return error;
+}
+
+static int host_mount P((am_node *mp));
+static int host_mount(mp)
+am_node *mp;
+{
+	mntfs *mf = mp->am_mnt;
+
+	return host_exec("mount", mf->mf_server->fs_host, mf->mf_mount, mf->mf_opts);
+}
+
+static int host_umount P((am_node *mp));
+static int host_umount(mp)
+am_node *mp;
+{
+	mntfs *mf = mp->am_mnt;
+
+	return host_exec("unmount", mf->mf_server->fs_host, mf->mf_mount, "xxx");
+}
+
+#endif /* HOST_EXEC */
+
+/*
+ * Ops structure
+ */
+am_ops host_ops = {
+	"host",
+	host_match,
+	host_init,
+	auto_fmount,
+	host_fmount,
+	auto_fumount,
+	host_fumount,
+	efs_lookuppn,
+	efs_readdir,
+	0, /* host_readlink */
+	0, /* host_mounted */
+#ifdef HOST_EXEC
+	0, /* host_umounted */
+#else
+	host_umounted,
+#endif
+	find_nfs_srvr,
+	FS_MKMNT|FS_BACKGROUND|FS_AMQINFO
+};
+
+#endif /* HAS_HOST */
diff --git a/usr.sbin/amd/amd/ifs_ops.c b/usr.sbin/amd/amd/ifs_ops.c
new file mode 100644
index 0000000..14df832
--- /dev/null
+++ b/usr.sbin/amd/amd/ifs_ops.c
@@ -0,0 +1,195 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)ifs_ops.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: ifs_ops.c,v 5.2.2.1 1992/02/09 15:08:26 jsp beta $
+ *
+ */
+
+#include "am.h"
+
+#ifdef HAS_IFS
+
+/*
+ * Inheritance file system.
+ * This implements a filesystem restart.
+ *
+ * This is a *gross* hack - it knows far too
+ * much about the way other parts of the
+ * sytem work.  See restart.c too.
+ */
+static char not_a_filesystem[] = "Attempting to inherit not-a-filesystem";
+/*
+ * This should never be called.
+ */
+/*ARGSUSED*/
+static char *ifs_match P((am_opts *fo));
+static char *ifs_match(fo)
+am_opts *fo;
+{
+	plog(XLOG_FATAL, "ifs_match called!");
+	return 0;
+}
+
+static int ifs_init P((mntfs *mf));
+static int ifs_init(mf)
+mntfs *mf;
+{
+	mntfs *mf_link = (mntfs *) mf->mf_private;
+	if (mf_link == 0) {
+		plog(XLOG_FATAL, not_a_filesystem);
+		return EINVAL;
+	}
+#ifdef notdef
+	/*
+	 * Fill in attribute fields
+	 */
+	mf_link->mf_fattr.type = NFLNK;
+	mf_link->mf_fattr.mode = NFSMODE_LNK | 0777;
+	mf_link->mf_fattr.nlink = 1;
+	mf_link->mf_fattr.size = MAXPATHLEN / 4;
+#endif
+	if (mf_link->mf_ops->fs_init)
+		return (*mf_link->mf_ops->fs_init)(mf_link);
+	return 0;
+}
+
+static mntfs *ifs_inherit P((mntfs *mf));
+static mntfs *ifs_inherit(mf)
+mntfs *mf;
+{
+	/*
+	 * Take the linked mount point and
+	 * propogate.
+	 */
+	mntfs *mf_link = (mntfs *) mf->mf_private;
+	if (mf_link == 0) {
+		plog(XLOG_FATAL, not_a_filesystem);
+		return 0;	/*XXX*/
+	}
+
+	mf_link->mf_fo = mf->mf_fo;
+#ifdef notdef
+	mf_link->mf_fattr.fileid = mf->mf_fattr.fileid;
+#endif /* notdef */
+
+	/*
+	 * Discard the old map.
+	 * Don't call am_unmounted since this
+	 * node was never really mounted in the
+	 * first place.
+	 */
+	mf->mf_private = 0;
+	free_mntfs(mf);
+	/*
+	 * Free the dangling reference
+	 * to the mount link.
+	 */
+	free_mntfs(mf_link);
+	/*
+	 * Get a hold of the other entry
+	 */
+	mf_link->mf_flags &= ~MFF_RESTART;
+
+	/* Say what happened */
+	plog(XLOG_INFO, "restarting %s on %s", mf_link->mf_info, mf_link->mf_mount);
+
+	return mf_link;
+}
+
+static int ifs_mount P((am_node *mp));
+static int ifs_mount(mp)
+am_node *mp;
+{
+	mntfs *newmf = ifs_inherit(mp->am_mnt);
+	if (newmf) {
+		mp->am_mnt = newmf;
+		/*
+		 * XXX - must do the am_mounted call here
+		 */
+		if (newmf->mf_ops->fs_flags & FS_MBACKGROUND)
+			am_mounted(mp);
+
+		new_ttl(mp);
+		return 0;
+	}
+	return EINVAL;
+}
+
+static int ifs_fmount P((mntfs *mf));
+static int ifs_fmount(mf)
+mntfs *mf;
+{
+	am_node *mp = find_mf(mf);
+	if (mp)
+		return ifs_mount(mp);
+	return ifs_inherit(mf) ? 0 : EINVAL;
+}
+
+/*ARGSUSED*/
+static int ifs_fumount P((mntfs *mf));
+static int ifs_fumount(mf)
+mntfs *mf;
+{
+	/*
+	 * Always succeed
+	 */
+	return 0;
+}
+
+/*
+ * Ops structure
+ */
+am_ops ifs_ops = {
+	"inherit",
+	ifs_match,
+	ifs_init,
+	ifs_mount,
+	ifs_fmount,
+	auto_fumount,
+	ifs_fumount,
+	efs_lookuppn,
+	efs_readdir,
+	0, /* ifs_readlink */
+	0, /* ifs_mounted */
+	0, /* ifs_umounted */
+	find_afs_srvr,
+	FS_DISCARD
+};
+
+#endif /* HAS_IFS */
diff --git a/usr.sbin/amd/amd/info_file.c b/usr.sbin/amd/amd/info_file.c
new file mode 100644
index 0000000..c43b2a7
--- /dev/null
+++ b/usr.sbin/amd/amd/info_file.c
@@ -0,0 +1,276 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)info_file.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: info_file.c,v 5.2.2.1 1992/02/09 15:08:28 jsp beta $
+ *
+ */
+
+/*
+ * Get info from file
+ */
+
+#include "am.h"
+
+#ifdef HAS_FILE_MAPS
+#include <ctype.h>
+#include <sys/stat.h>
+
+#define	MAX_LINE_LEN	2048
+
+static int read_line P((char *buf, int size, FILE *fp));
+static int read_line(buf, size, fp)
+char *buf;
+int size;
+FILE *fp;
+{
+	int done = 0;
+
+	do {
+		while (fgets(buf, size, fp)) {
+			int len = strlen(buf);
+			done += len;
+			if (len > 1 && buf[len-2] == '\\' &&
+					buf[len-1] == '\n') {
+				int ch;
+				buf += len - 2;
+				size -= len - 2;
+				*buf = '\n'; buf[1] = '\0';
+				/*
+				 * Skip leading white space on next line
+				 */
+				while ((ch = getc(fp)) != EOF &&
+					isascii(ch) && isspace(ch))
+						;
+				(void) ungetc(ch, fp);
+			} else {
+				return done;
+			}
+		}
+	} while (size > 0 && !feof(fp));
+
+	return done;
+}
+
+/*
+ * Try to locate a key in a file
+ */
+static int search_or_reload_file P((FILE *fp, char *map, char *key, char **val, mnt_map *m, void (*fn)(mnt_map *m, char*, char*)));
+static int search_or_reload_file(fp, map, key, val, m, fn)
+FILE *fp;
+char *map;
+char *key;
+char **val;
+mnt_map *m;
+void (*fn) P((mnt_map*, char*, char*));
+{
+	char key_val[MAX_LINE_LEN];
+	int chuck = 0;
+	int line_no = 0;
+
+	while (read_line(key_val, sizeof(key_val), fp)) {
+		char *kp;
+		char *cp;
+		char *hash;
+		int len = strlen(key_val);
+		line_no++;
+
+		/*
+		 * Make sure we got the whole line
+		 */
+		if (key_val[len-1] != '\n') {
+			plog(XLOG_WARNING, "line %d in \"%s\" is too long", line_no, map);
+			chuck = 1;
+		} else {
+			key_val[len-1] = '\0';
+		}
+
+		/*
+		 * Strip comments
+		 */
+		hash = strchr(key_val, '#');
+		if (hash)
+			*hash = '\0';
+
+		/*
+		 * Find start of key
+		 */
+		for (kp = key_val; *kp && isascii(*kp) && isspace(*kp); kp++)
+			;
+
+		/*
+		 * Ignore blank lines
+		 */
+		if (!*kp)
+			goto again;
+
+		/*
+		 * Find end of key
+		 */
+		for (cp = kp; *cp&&(!isascii(*cp)||!isspace(*cp)); cp++)
+			;
+
+		/*
+		 * Check whether key matches
+		 */
+		if (*cp)
+			*cp++ = '\0';
+
+		if (fn || (*key == *kp && strcmp(key, kp) == 0)) {
+			while (*cp && isascii(*cp) && isspace(*cp))
+				cp++;
+			if (*cp) {
+				/*
+				 * Return a copy of the data
+				 */
+				char *dc = strdup(cp);
+				if (fn) {
+					(*fn)(m, strdup(kp), dc);
+				} else {
+					*val = dc;
+#ifdef DEBUG
+					dlog("%s returns %s", key, dc);
+#endif /* DEBUG */
+				}
+				if (!fn)
+					return 0;
+			} else {
+				plog(XLOG_USER, "%s: line %d has no value field", map, line_no);
+			}
+		}
+
+again:
+		/*
+		 * If the last read didn't get a whole line then
+		 * throw away the remainder before continuing...
+		 */
+		if (chuck) {
+			while (fgets(key_val, sizeof(key_val), fp) &&
+				!strchr(key_val, '\n'))
+					;
+			chuck = 0;
+		}
+	}
+
+	return fn ? 0 : ENOENT;
+}
+
+static FILE *file_open P((char *map, time_t *tp));
+static FILE *file_open(map, tp)
+char *map;
+time_t *tp;
+{
+	FILE *mapf = fopen(map, "r");
+	if (mapf && tp) {
+		struct stat stb;
+		if (fstat(fileno(mapf), &stb) < 0)
+			*tp = clocktime();
+		else
+			*tp = stb.st_mtime;
+	}
+	return mapf;
+}
+
+int file_init P((char *map, time_t *tp));
+int file_init(map, tp)
+char *map;
+time_t *tp;
+{
+	FILE *mapf = file_open(map, tp);
+	if (mapf) {
+		(void) fclose(mapf);
+		return 0;
+	}
+	return errno;
+}
+
+int file_reload P((mnt_map *m, char *map, void (*fn)()));
+int file_reload(m, map, fn)
+mnt_map *m;
+char *map;
+void (*fn)();
+{
+	FILE *mapf = file_open(map, (time_t *) 0);
+	if (mapf) {
+		int error = search_or_reload_file(mapf, map, 0, 0, m, fn);
+		(void) fclose(mapf);
+		return error;
+	}
+
+	return errno;
+}
+
+int file_search P((mnt_map *m, char *map, char *key, char **pval, time_t *tp));
+int file_search(m, map, key, pval, tp)
+mnt_map *m;
+char *map;
+char *key;
+char **pval;
+time_t *tp;
+{
+	time_t t;
+	FILE *mapf = file_open(map, &t);
+	if (mapf) {
+		int error;
+		if (*tp < t) {
+			*tp = t;
+			error = -1;
+		} else {
+			error = search_or_reload_file(mapf, map, key, pval, 0, 0);
+		}
+		(void) fclose(mapf);
+		return error;
+	}
+
+	return errno;
+}
+
+int file_mtime P((char *map, time_t *tp));
+int file_mtime(map, tp)
+char *map;
+time_t *tp;
+{
+	FILE *mapf = file_open(map, tp);
+	if (mapf) {
+		(void) fclose(mapf);
+		return 0;
+	}
+
+	return errno;
+}
+#endif /* HAS_FILE_MAPS */
diff --git a/usr.sbin/amd/amd/info_hes.c b/usr.sbin/amd/amd/info_hes.c
new file mode 100644
index 0000000..875cfe7
--- /dev/null
+++ b/usr.sbin/amd/amd/info_hes.c
@@ -0,0 +1,697 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)info_hes.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: info_hes.c,v 5.2.2.1 1992/02/09 15:08:29 jsp beta $
+ *
+ */
+
+/*
+ * Get info from Hesiod
+ *
+ * Zone transfer code from Bruce Cole <cole@cs.wisc.edu>
+ */
+
+#include "am.h"
+
+#ifdef HAS_HESIOD_MAPS
+#include <hesiod.h>
+
+#define	HES_PREFIX	"hesiod."
+#define	HES_PREFLEN	7
+
+#ifdef HAS_HESIOD_RELOAD
+#include <arpa/nameser.h>
+#include <resolv.h>
+#include <sys/uio.h>
+#include <netdb.h>
+
+/*
+ * Patch up broken system include files
+ */
+#ifndef C_HS
+#define C_HS	4
+#endif
+#ifndef T_TXT
+#define	T_TXT	16
+#endif
+
+static int soacnt;
+static struct timeval hs_timeout;
+static int servernum;
+#endif /* HAS_HESIOD_RELOAD */
+
+/*
+ * No easy way to probe the server - check the map name begins with "hesiod."
+ */
+int hesiod_init P((char *map, time_t *tp));
+int hesiod_init(map, tp)
+char *map;
+time_t *tp;
+{
+#ifdef DEBUG
+	dlog("hesiod_init(%s)", map);
+#endif
+	*tp = 0;
+	return strncmp(map, HES_PREFIX, HES_PREFLEN) == 0 ? 0 : ENOENT;
+}
+
+
+/*
+ * Make Hesiod name.  Skip past the "hesiod."
+ * at the start of the map name and append
+ * ".automount".  The net effect is that a lookup
+ * of /defaults in hesiod.home will result in a
+ * call to hes_resolve("/defaults", "home.automount");
+ */
+#ifdef notdef
+#define MAKE_HES_NAME(dest, src) sprintf(dest, "%s%s", src + HES_PREFLEN, ".automount")
+#endif
+
+/*
+ * Do a Hesiod nameserver call.
+ * Modify time is ignored by Hesiod - XXX
+ */
+int hesiod_search P((mnt_map *m, char *map, char **pval, time_t *tp));
+int hesiod_search(m, map, key, pval, tp)
+mnt_map *m;
+char *map;
+char *key;
+char **pval;
+time_t *tp;
+{
+	int error;
+	char hes_key[MAXPATHLEN];
+	char **rvec;
+#ifdef DEBUG
+	dlog("hesiod_search(m=%x, map=%s, key=%s, pval=%x tp=%x)", m, map, key, pval, tp);
+#endif
+	/*MAKE_HES_NAME(hes_map, map);*/
+	sprintf(hes_key, "%s.%s", key, map+HES_PREFLEN);
+
+	/*
+	 * Call the resolver
+	 */
+#ifdef DEBUG
+	dlog("hesiod_search: hes_resolve(%s, %s)", hes_key, "automount");
+#ifdef HAS_HESIOD_RELOAD
+	if (debug_flags & D_FULL)
+		_res.options |= RES_DEBUG;
+#endif
+#endif
+	rvec = hes_resolve(hes_key, "automount");
+	/*
+	 * If a reply was forthcoming then return
+	 * it (and free subsequent replies)
+	 */
+	if (rvec && *rvec) {
+		*pval = *rvec;
+		while (*++rvec)
+			free(*rvec);
+		return 0;
+	}
+
+	/*
+	 * Otherwise reflect the hesiod error into a Un*x error
+	 */
+#ifdef DEBUG
+	dlog("hesiod_search: Error: %d", hes_error());
+#endif
+	switch (hes_error()) {
+	case HES_ER_NOTFOUND:	error = ENOENT; break;
+	case HES_ER_CONFIG:	error = EIO; break;
+	case HES_ER_NET:	error = ETIMEDOUT; break;
+	default:		error = EINVAL; break;
+	}
+#ifdef DEBUG
+	dlog("hesiod_search: Returning: %d", error);
+#endif
+	return error;
+}
+
+#ifdef HAS_HESIOD_RELOAD
+/*
+ * Zone transfer...
+ */
+
+#define MAXHSNS 8
+#define MAX_NSADDR 16
+
+static char *hs_domain;
+static mnt_map *hs_map;
+static int hs_nscount;
+static char nsaddr_list[MAX_NSADDR][sizeof(struct in_addr)];
+
+int hesiod_reload P((mnt_map *m, char *map, void (*fn)()));
+int hesiod_reload(m, map, fn)
+mnt_map *m;
+char *map;
+void (*fn)();
+{
+	char *zone_name, *cp;
+	short domainlen;
+	int status;
+
+#ifdef DEBUG
+	dlog("hesiod_reload (%x %s %x)", m, map, fn);
+#endif DEBUG
+	if (status = res_init()) {
+#ifdef DEBUG
+		dlog("hesiod_reload: res_init failed with %d", status);
+#endif
+		return(status);
+	}
+	_res.retrans = 90;
+	hs_map = m;
+	domainlen = strlen(hostdomain);
+	zone_name = hes_to_bind(map+HES_PREFLEN, "automount");
+	if (*zone_name == '.')
+		zone_name++;
+	hs_domain = zone_name;
+	/* Traverse the DNS tree until we find an SOA we can transfer from.
+	 (Our initial zone_name is likely to just be a subtree of a
+	 real zone). */
+	do {
+		/* If we can't find any NS records, go up a level in the
+		   DNS tree */
+		if (hs_get_ns_list(zone_name) == 0 &&
+		    hs_zone_transfer(zone_name) == 0)
+			return(0);
+		/* Move up DNS tree by one component */
+		if (cp = strchr(zone_name, '.'))
+			zone_name = ++cp;
+		else
+			break;
+	} while (strlen(zone_name) >= domainlen);
+#ifdef DEBUG
+	dlog("hesiod_reload: Giving up on %s", hs_domain);
+#endif
+	return(-1);
+}
+
+hs_zone_transfer(domain)
+char *domain;
+{
+	int status, len;
+	char buf[PACKETSZ];
+	/* Want to make sure ansbuf is well alligned */
+	long ansbuf[PACKETSZ/sizeof(long)];
+
+#ifdef DEBUG
+	dlog("hs_zone_transfer (%s)", domain);
+#endif
+	if ((len = res_mkquery(QUERY, domain, C_HS, T_AXFR,
+			       (char *)NULL, 0, NULL, buf, PACKETSZ)) == -1) {
+#ifdef DEBUG
+		dlog("hs_zone_transfer: res_mkquery failed");
+#endif
+		errno = 0;
+		return(-1);
+	}
+	if ((status = hs_res_send(buf, len, (char *)ansbuf, PACKETSZ)) == -1) {
+#ifdef DEBUG
+	    dlog("hs_zone_transfer: hs_res_send failed.  status %d errno %d",
+		 status, errno);
+#endif
+		errno = 0;
+		return(-1);
+	}
+	return(0);
+}
+
+#define hs_server_addr(ns) ((struct in_addr *) nsaddr_list[ns])
+
+hs_res_send(buf, buflen, answer, anslen)
+char *buf;
+int buflen;
+char *answer;
+int anslen;
+{
+	int retry, ns;
+	u_short id, len;
+	HEADER *hp = (HEADER *) buf;
+	struct iovec iov[2];
+	static int s = -1;
+	int status;
+	struct sockaddr_in server;
+
+	soacnt = 0;
+	id = hp->id;
+	/*
+	 * Send request, RETRY times, or until successful
+	 */
+	for (retry = _res.retry; retry > 0; retry--) {
+		for (ns = 0; ns < hs_nscount; ns++) {
+			hs_timeout.tv_sec =
+				(_res.retrans << (_res.retry - retry))
+				/ hs_nscount;
+			if (hs_timeout.tv_sec <= 0)
+				hs_timeout.tv_sec = 1;
+			hs_timeout.tv_usec = 0;
+			if (s < 0) {
+				s = socket(AF_INET, SOCK_STREAM, 0);
+				if (s < 0) {
+					continue;
+				}
+				servernum = ns;
+				bcopy(hs_server_addr(ns), &server.sin_addr,
+				      sizeof(struct in_addr));
+				server.sin_family = AF_INET;
+				server.sin_port = htons(NAMESERVER_PORT);
+					
+				if (connect(s, &server,
+					    sizeof(struct sockaddr)) < 0) {
+					(void) close(s);
+					s = -1;
+					continue;
+				}
+			}
+			/*
+			 * Send length & message
+			 */
+			len = htons((u_short)buflen);
+			iov[0].iov_base = (caddr_t)&len;
+			iov[0].iov_len = sizeof(len);
+			iov[1].iov_base = buf;
+			iov[1].iov_len = buflen;
+			if (writev(s, iov, 2) != sizeof(len) + buflen) {
+				(void) close(s);
+				s = -1;
+				continue;
+			}
+			status = 0;
+			while (s != -1 && soacnt < 2 && status != -2) {
+				if ((status =
+				     hs_readresp(s, answer, anslen)) == -1) {
+					(void) close(s);
+					s = -1;
+					continue;
+				}
+			}
+			if (status == -2) {
+				/* There was a permanent error transfering this
+				   zone.  Give up. */
+				if (s != -1) {
+					(void) close(s);
+					s = -1;
+				}
+				return(-1);
+			}
+			if (s == -1)
+				continue;
+			return (0);
+		}
+	}
+	if (errno == 0)
+		errno = ETIMEDOUT;
+	return (-1);
+}
+
+/* Returns:
+   0: Success
+   -1: Error
+   -2: Permanent failure
+*/
+hs_readresp(s, answer, anslen)
+int s;
+char *answer;
+int anslen;
+{
+	register int len, n;
+	char *cp;
+
+	cp = answer;
+	len = sizeof(short);
+	while (len != 0 &&
+	       (n = hs_res_vcread(s, (char *)cp, (int)len, &hs_timeout)) > 0) {
+		cp += n;
+		len -= n;
+	}
+	if (n <= 0)
+		return(-1);
+	cp = answer;
+	if ((len = _getshort(cp)) > anslen) {
+#ifdef DEBUG
+		dlog("hs_readresp: response too long: %d", len);
+#endif
+		return(-1);
+	}
+	while (len != 0 &&
+	       (n = hs_res_vcread(s, (char *)cp, (int)len, &hs_timeout)) > 0) {
+		cp += n;
+		len -= n;
+	}
+	if (n <= 0)
+		return(-1);
+	return(hs_parse(answer, answer+PACKETSZ));
+}
+
+hs_res_vcread(sock, buf, buflen, timeout)
+int sock, buflen;
+char *buf;
+struct timeval *timeout;
+{
+	register int n;
+
+	if ((n = hs_res_selwait(sock, timeout)) > 0)
+		return(read(sock, buf, buflen));
+	else
+		return(n);
+}
+
+hs_res_selwait(sock, timeout)
+int sock;
+struct timeval *timeout;
+{
+	fd_set dsmask;
+	register int n;
+
+	/*
+	 * Wait for reply
+	 */
+	FD_ZERO(&dsmask);
+	FD_SET(sock, &dsmask);
+	n = select(sock+1, &dsmask, (fd_set *)NULL,
+		   (fd_set *)NULL, timeout);
+	return(n);
+}
+
+/* Returns:
+   0: Success
+   -1: Error
+   -2: Permanent failure
+*/
+hs_parse(msg, eom)
+char *msg, *eom;
+{
+	register char *cp;
+	register HEADER *hp;
+	register int n, len;
+	int qdcount, ancount;
+	char key[PACKETSZ];
+	char *key_cpy, *value, *hs_make_value();
+	short type;
+
+	hp = (HEADER *)msg;
+	if (hp->rcode != NOERROR || hp->opcode != QUERY) {
+		char dq[20];
+#ifdef DEBUG
+		dlog("Bad response (%d) from nameserver %s", hp->rcode, inet_dquad(dq, hs_server_addr(servernum)->s_addr));
+#endif DEBUG
+		return(-1);
+	}
+	cp = msg + sizeof(HEADER);
+	ancount = ntohs(hp->ancount);
+	qdcount = ntohs(hp->qdcount);
+	while (qdcount-- > 0)
+		cp += dn_skipname(cp, eom) + QFIXEDSZ;
+	if (soacnt == 0 && ancount == 0) {
+		/* XXX We should look for NS records to find SOA */
+#ifdef DEBUG
+		dlog("No SOA found");
+#endif
+		return(-2);
+	}
+	while (ancount-- > 0 && cp < eom) {
+		if ((n = dn_expand(msg, eom, cp, key, PACKETSZ)) < 0)
+			break;
+		cp += n;
+		if ((type = _getshort(cp)) == T_SOA) {
+			soacnt++;
+		}
+		cp += 2*sizeof(u_short) + sizeof(u_long);
+		len = _getshort(cp);
+		cp += sizeof(u_short);
+		/* Check to see if key is in our domain */
+		if (type == T_TXT && hs_strip_our_domain(key)) {
+			value = hs_make_value(cp, len);
+			if (value == NULL)
+				return(-1);
+			key_cpy = strdup(key);
+#ifdef DEBUG
+			dlog("hs_parse: Parsed key: %s, value: %s", key,
+			     value);
+#endif
+			mapc_add_kv(hs_map, key_cpy, value);
+		}
+		cp += len;
+		errno = 0;
+	}
+	return(0);
+}
+
+/* Check to see if the domain name in the supplied argument matches
+   hs_domain.  Strip hs_domain from supplied argument if so. */
+hs_strip_our_domain(name)
+char *name;
+{
+	char *end_pos;
+	short targ_len, cur_len;
+	
+	targ_len = strlen(hs_domain);
+	cur_len = strlen(name);
+	if (cur_len <= targ_len)
+		return(0);
+	end_pos = &name[cur_len - targ_len];
+	if (strcmp(end_pos, hs_domain) != 0)
+		return(0);
+	if (*--end_pos != '.')
+		return(0);
+	*end_pos = '\0';
+	return(1);
+}
+
+#define MAXDATA 8*1024
+
+char *
+hs_make_value(cp, len)
+char *cp;
+int len;
+{
+	char *value, *cpcpy, *valuep;
+	int cnt, nextcnt, totalcnt, lencpy;
+#ifdef DEBUG
+	char *dbgname;
+
+	dbgname = &cp[1];
+#endif DEBUG
+
+	lencpy = len;
+	cpcpy = cp;
+	totalcnt = 0;
+	cnt = *cpcpy++;
+	while (cnt) {
+		totalcnt += cnt;
+		lencpy -= cnt+1;
+		if (lencpy == 0)
+			break;
+		nextcnt = cpcpy[cnt];
+		cpcpy = &cpcpy[cnt+1];
+		cnt = nextcnt;
+	}
+	if (totalcnt < 1 || totalcnt > MAXDATA || totalcnt > len) {
+#ifdef DEBUG
+		dlog("TXT RR not of expected length (%d %d): %s", totalcnt,
+		     len, dbgname);
+#endif DEBUG
+		return(NULL);
+	}
+	/* Allocate null terminated string */
+	value = (char *) xmalloc(totalcnt+1);
+	value[totalcnt] = '\0';
+	cnt = *cp++;
+	valuep = value;
+	while (cnt) {
+		bcopy(cp, valuep, cnt);
+		len -= cnt+1;
+		if (len == 0)
+			break;
+		valuep = &valuep[cnt];
+		nextcnt = cp[cnt];
+		cp = &cp[cnt+1];
+		cnt = nextcnt;
+	}
+	return(value);
+}
+
+hs_make_ns_query(domain, ansbuf)
+char *domain;
+char *ansbuf;
+{
+	int status, len;
+	char buf[PACKETSZ];
+
+	if ((len = res_mkquery(QUERY, domain, C_HS, T_NS,
+			       (char *)NULL, 0, NULL, buf, PACKETSZ)) == -1) {
+#ifdef DEBUG
+		dlog("hs_get_ns_list: res_mkquery failed");
+#endif
+		errno = 0;
+		return(-1);
+	}
+	if ((status = res_send(buf, len, (char *)ansbuf, PACKETSZ)) == -1) {
+#ifdef DEBUG
+	    dlog("hs_get_ns_list: res_send failed.  status %d errno %d",
+		 status, errno);
+#endif
+		errno = 0;
+		return(-1);
+	}
+	return(0);
+}
+
+static void
+add_address(addr)
+struct in_addr *addr;
+{
+	char dq[20];
+	bcopy((char *)addr, nsaddr_list[hs_nscount++], sizeof(struct in_addr));
+#ifdef DEBUG
+	dlog("Adding NS address %s", inet_dquad(dq, addr->s_addr));
+#endif DEBUG
+}
+
+hs_get_ns_list(domain)
+char *domain;
+{
+	register HEADER *hp;
+	int qdcount, nscount;
+	register char *cp;
+	register int n, len;
+	char key[PACKETSZ], name[PACKETSZ], msg[PACKETSZ], *eom;
+	register long **hptr;
+	struct hostent *ghp;
+	int numns;
+	char nsname[MAXHSNS][MAXDATA];
+	int nshaveaddr[MAXHSNS], i;
+	short type;
+
+	if (hs_make_ns_query(domain, msg) == -1)
+		return(-1);
+	numns = hs_nscount = 0;
+	eom = &msg[PACKETSZ];
+	bzero(nsname, sizeof(nsname));
+	hp = (HEADER *)msg;
+	if (hp->rcode != NOERROR || hp->opcode != QUERY) {
+#ifdef DEBUG
+		dlog("Bad response (%d) from nameserver %#x", hp->rcode,
+		      hs_server_addr(servernum)->s_addr);
+#endif DEBUG
+		return(-1);
+	}
+	cp = msg + sizeof(HEADER);
+	qdcount = ntohs(hp->qdcount);
+	while (qdcount-- > 0)
+		cp += dn_skipname(cp, eom) + QFIXEDSZ;
+	nscount = ntohs(hp->ancount) + ntohs(hp->nscount) + ntohs(hp->arcount);
+#ifdef DEBUG
+	dlog("hs_get_ns_list: Processing %d response records", nscount);
+#endif
+	for (;nscount; nscount--) {
+		if ((n = dn_expand(msg, eom, cp, key, PACKETSZ)) < 0)
+			break;
+		cp += n;
+		type = _getshort(cp);
+		cp += 2*sizeof(u_short) + sizeof(u_long);
+		len = _getshort(cp);
+		cp += sizeof(u_short);
+#ifdef DEBUG
+		dlog("hs_get_ns_list: Record type: %d", type);
+#endif
+		switch (type) {
+		case T_NS:
+			if (numns >= MAXHSNS || strcasecmp(domain, key) != 0)
+				break;
+			if ((n = dn_expand(msg, eom, cp, name, PACKETSZ)) < 0)
+				break;
+#ifdef DEBUG
+			dlog("hs_get_ns_list: NS name: %s", name);
+#endif
+			for (i = 0; i < numns; i++)
+				if (strcasecmp(nsname[i], name) == 0)
+					break;
+			if (i == numns) {
+#ifdef DEBUG
+				dlog("hs_get_ns_list: Saving name %s", name);
+#endif
+				strncpy(nsname[numns], name, MAXDATA);
+				nshaveaddr[numns] = 0;
+				numns++;
+			}
+			break;
+		case T_A:
+			if (hs_nscount == MAX_NSADDR)
+				break;
+			for (i = 0; i < numns; i++) {
+				if (strcasecmp(nsname[i], domain) == 0) {
+					nshaveaddr[i]++;
+					add_address((struct in_addr *) cp);
+					break;
+				}
+			}
+			break;
+		default:
+			break;
+		}
+		if (hs_nscount == MAX_NSADDR)
+			break;
+		cp += len;
+		errno = 0;
+	}
+#ifdef  DEBUG
+	dlog("hs_get_ns_list: Found %d NS records", numns);
+#endif
+	for (i = 0; i < numns; i++) {
+		if (nshaveaddr[i])
+			continue;
+		if ((ghp = gethostbyname(nsname[i])) == 0)
+			continue;
+		for (hptr = (long **)ghp->h_addr_list;
+		     *hptr && hs_nscount < MAX_NSADDR; hptr++) {
+			add_address((struct in_addr *) *hptr);
+		}
+	}
+	if (hs_nscount)
+		return(0);
+#ifdef DEBUG
+	dlog("No NS records found for %s", domain);
+	return(-1);
+#endif DEBUG
+}
+#endif /* HAS_HESIOD_RELOAD */
+#endif /* HAS_HESIOD_MAPS */
diff --git a/usr.sbin/amd/amd/info_ndbm.c b/usr.sbin/amd/amd/info_ndbm.c
new file mode 100644
index 0000000..d3deaa1
--- /dev/null
+++ b/usr.sbin/amd/amd/info_ndbm.c
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)info_ndbm.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: info_ndbm.c,v 5.2.2.1 1992/02/09 15:08:31 jsp beta $
+ *
+ */
+
+/*
+ * Get info from NDBM map
+ */
+
+#include "am.h"
+
+#ifdef HAS_NDBM_MAPS
+
+#include <ndbm.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+
+static int search_ndbm P((DBM *db, char *key, char **val));
+static int search_ndbm(db, key, val)
+DBM *db;
+char *key;
+char **val;
+{
+	datum k, v;
+	k.dptr = key;
+	k.dsize = strlen(key) + 1;
+	v = dbm_fetch(db, k);
+	if (v.dptr) {
+		*val = strdup(v.dptr);
+		return 0;
+	}
+	return ENOENT;
+}
+
+int ndbm_search P((mnt_map *m, char *map, char *key, char **pval, time_t *tp));
+int ndbm_search(m, map, key, pval, tp)
+mnt_map *m;
+char *map;
+char *key;
+char **pval;
+time_t *tp;
+{
+	DBM *db;
+
+	db = dbm_open(map, O_RDONLY, 0);
+	if (db) {
+		struct stat stb;
+		int error;
+		error = fstat(dbm_pagfno(db), &stb);
+		if (!error && *tp < stb.st_mtime) {
+			*tp = stb.st_mtime;
+			error = -1;
+		} else {
+			error = search_ndbm(db, key, pval);
+		}
+		(void) dbm_close(db);
+		return error;
+	}
+
+	return errno;
+}
+
+int ndbm_init P((char *map, time_t *tp));
+int ndbm_init(map, tp)
+char *map;
+time_t *tp;
+{
+	DBM *db;
+
+	db = dbm_open(map, O_RDONLY, 0);
+	if (db) {
+		struct stat stb;
+
+		if (fstat(dbm_pagfno(db), &stb) < 0)
+			*tp = clocktime();
+		else
+			*tp = stb.st_mtime;
+		dbm_close(db);
+		return 0;
+	}
+
+	return errno;
+}
+
+#endif /* HAS_NDBM_MAPS */
diff --git a/usr.sbin/amd/amd/info_nis.c b/usr.sbin/amd/amd/info_nis.c
new file mode 100644
index 0000000..ac80f5f
--- /dev/null
+++ b/usr.sbin/amd/amd/info_nis.c
@@ -0,0 +1,247 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)info_nis.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: info_nis.c,v 5.2.2.1 1992/02/09 15:08:32 jsp beta $
+ *
+ */
+
+/*
+ * Get info from NIS map
+ */
+
+#include "am.h"
+
+#ifdef HAS_NIS_MAPS
+#include <rpcsvc/yp_prot.h>
+#include <rpcsvc/ypclnt.h>
+
+/*
+ * Figure out the nis domain name
+ */
+static int determine_nis_domain(P_void)
+{
+static	int nis_not_running = 0;
+
+	char default_domain[YPMAXDOMAIN];
+
+	if (nis_not_running)
+		return ENOENT;
+
+	if (getdomainname(default_domain, sizeof(default_domain)) < 0) {
+		nis_not_running = 1;
+		plog(XLOG_ERROR, "getdomainname: %m");
+		return EIO;
+	}
+
+	if (!*default_domain) {
+		nis_not_running = 1;
+		plog(XLOG_WARNING, "NIS domain name is not set.  NIS ignored.");
+		return ENOENT;
+	}
+
+	domain = strdup(default_domain);
+
+	return 0;
+}
+
+
+#ifdef HAS_NIS_RELOAD
+struct nis_callback_data {
+	mnt_map *ncd_m;
+	char *ncd_map;
+	void (*ncd_fn)();
+};
+
+/*
+ * Callback from yp_all
+ */
+static int callback(status, key, kl, val, vl, data)
+int status;
+char *key;
+int kl;
+char *val;
+int vl;
+struct nis_callback_data *data;
+{
+	if (status == YP_TRUE) {
+		/*
+		 * Add to list of maps
+		 */
+		char *kp = strnsave(key, kl);
+		char *vp = strnsave(val, vl);
+		(*data->ncd_fn)(data->ncd_m, kp, vp);
+
+		/*
+		 * We want more ...
+		 */
+		return FALSE;
+	} else {
+		/*
+		 * NOMORE means end of map - otherwise log error
+		 */
+		if (status != YP_NOMORE) {
+			/*
+			 * Check what went wrong
+			 */
+			int e = ypprot_err(status);
+
+#ifdef DEBUG
+			plog(XLOG_ERROR, "yp enumeration of %s: %s, status=%d, e=%d",
+					data->ncd_map, yperr_string(e), status, e);
+#else
+			plog(XLOG_ERROR, "yp enumeration of %s: %s", data->ncd_map, yperr_string(e));
+#endif
+		}
+
+		return TRUE;
+	}
+}
+
+int nis_reload P((mnt_map *m, char *map, void (*fn)()));
+int nis_reload(m, map, fn)
+mnt_map *m;
+char *map;
+void (*fn)();
+{
+	struct ypall_callback cbinfo;
+	int error;
+	struct nis_callback_data data;
+
+	if (!domain) {
+		error = determine_nis_domain();
+		if (error)
+			return error;
+	}
+
+	data.ncd_m = m;
+	data.ncd_map = map;
+	data.ncd_fn = fn;
+	cbinfo.data = (voidp) &data;
+	cbinfo.foreach = callback;
+
+	error = yp_all(domain, map, &cbinfo);
+
+	if (error)
+		plog(XLOG_ERROR, "error grabbing nis map of %s: %s", map, yperr_string(ypprot_err(error)));
+
+	return error;
+}
+#endif /* HAS_NIS_RELOAD */
+
+/*
+ * Try to locate a key using NIS.
+ */
+int nis_search P((mnt_map *m, char *map, char *key, char **val, time_t *tp));
+int nis_search(m, map, key, val, tp)
+mnt_map *m;
+char *map;
+char *key;
+char **val;
+time_t *tp;
+{
+	int outlen;
+	int res;
+	int order;
+
+	/*
+	 * Make sure domain initialised
+	 */
+	if (!domain) {
+		int error = determine_nis_domain();
+		if (error)
+			return error;
+	}
+
+	/*
+	 * Check if map has changed
+	 */
+	if (yp_order(domain, map, &order))
+		return EIO;
+	if ((time_t) order > *tp) {
+		*tp = (time_t) order;
+		return -1;
+	}
+
+	/*
+	 * Lookup key
+	 */
+	res = yp_match(domain, map, key, strlen(key), val, &outlen);
+
+	/*
+	 * Do something interesting with the return code
+	 */
+	switch (res) {
+	case 0:
+		return 0;
+
+	case YPERR_KEY:
+		return ENOENT;
+
+	default:
+		plog(XLOG_ERROR, "%s: %s", map, yperr_string(res));
+		return EIO;
+	}
+}
+
+int nis_init P((char *map, time_t *tp));
+int nis_init(map, tp)
+char *map;
+time_t *tp;
+{
+	int order;
+
+	if (!domain) {
+		int error = determine_nis_domain();
+		if (error)
+			return error;
+	}
+
+	/*
+	 * To see if the map exists, try to find
+	 * a master for it.
+	 */
+	if (yp_order(domain, map, &order))
+		return ENOENT;
+	*tp = (time_t) order;
+#ifdef DEBUG
+	dlog("NIS master for %s@%s has order %d", map, domain, order);
+#endif
+	return 0;
+}
+#endif /* HAS_NIS_MAPS */
diff --git a/usr.sbin/amd/amd/info_passwd.c b/usr.sbin/amd/amd/info_passwd.c
new file mode 100644
index 0000000..3123e38
--- /dev/null
+++ b/usr.sbin/amd/amd/info_passwd.c
@@ -0,0 +1,162 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)info_passwd.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: info_passwd.c,v 5.2.2.1 1992/02/09 15:08:33 jsp beta $
+ *
+ */
+
+/*
+ * Get info from password "file"
+ *
+ * This is experimental and probably doesn't
+ * do what you expect.
+ */
+
+#include "am.h"
+
+#ifdef HAS_PASSWD_MAPS
+#include <pwd.h>
+
+#define	PASSWD_MAP	"/etc/passwd"
+
+/*
+ * Nothing to probe - check the map name is PASSWD_MAP.
+ */
+int passwd_init P((char *map, time_t *tp));
+int passwd_init(map, tp)
+char *map;
+time_t *tp;
+{
+	*tp = 0;
+	return strcmp(map, PASSWD_MAP) == 0 ? 0 : ENOENT;
+}
+
+
+/*
+ * Grab the entry via the getpwname routine
+ * Modify time is ignored by passwd - XXX
+ */
+int passwd_search P((mnt_map *m, char *map, char *key, char **pval, time_t *tp));
+int passwd_search(m, map, key, pval, tp)
+mnt_map *m;
+char *map;
+char *key;
+char **pval;
+time_t *tp;
+{
+	char *dir = 0;
+	struct passwd *pw;
+	if (strcmp(key, "/defaults") == 0) {
+		*pval = strdup("type:=nfs");
+		return 0;
+	}
+
+	pw = getpwnam(key);
+	if (pw) {
+		/*
+		 * We chop the home directory up as follows:
+		 * /anydir/dom1/dom2/dom3/user
+		 *
+		 * and return
+		 * rfs:=/anydir/dom3;rhost:=dom3.dom2.dom1;sublink:=user
+		 *
+		 * This allows cross-domain entries in your passwd file.
+		 * ... but forget about security!
+		 */
+		char *user;
+		char *p, *q;
+		char val[MAXPATHLEN];
+		char rhost[MAXHOSTNAMELEN];
+		dir = strdup(pw->pw_dir);
+		/*
+		 * Find user name.  If no / then Invalid...
+		 */
+		user = strrchr(dir, '/');
+		if (!user)
+			goto enoent;
+		*user++ = '\0';
+		/*
+		 * Find start of host "path".  If no / then Invalid...
+		 */ 
+		p = strchr(dir+1, '/');
+		if (!p)
+			goto enoent;
+		*p++ = '\0';
+		/*
+		 * At this point, p is dom1/dom2/dom3
+		 * Copy, backwards, into rhost replacing
+		 * / with .
+		 */
+		rhost[0] = '\0';
+		do {
+			q = strrchr(p, '/');
+			if (q) {
+				strcat(rhost, q + 1);
+				strcat(rhost, ".");
+				*q = '\0';
+			} else {
+				strcat(rhost, p);
+			}
+		} while (q);
+		/*
+		 * Sanity check
+		 */
+		if (*rhost == '\0' || *user == '\0' || *dir == '\0')
+			goto enoent;
+		/*
+		 * Make up return string
+		 */
+		q = strchr(rhost, '.');
+		if (q)
+			*q = '\0';
+		sprintf(val, "rfs:=%s/%s;rhost:=%s;sublink:=%s;fs:=${autodir}%s",
+			dir, rhost, rhost, user, pw->pw_dir);
+		if (q)
+			*q = '.';
+		*pval = strdup(val);
+		return 0;
+	}
+
+enoent:
+	if (dir)
+		free(dir);
+
+	return ENOENT;
+}
+#endif /* HAS_PASSWD_MAPS */
diff --git a/usr.sbin/amd/amd/info_union.c b/usr.sbin/amd/amd/info_union.c
new file mode 100644
index 0000000..e3062ad
--- /dev/null
+++ b/usr.sbin/amd/amd/info_union.c
@@ -0,0 +1,153 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)info_union.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: info_union.c,v 5.2.2.1 1992/02/09 15:08:34 jsp beta $
+ *
+ */
+
+/*
+ * Get info from the system namespace
+ *
+ * NOTE: Cannot handle reads back through the automounter.
+ * THIS WILL CAUSE A DEADLOCK!
+ */
+
+#include "am.h"
+
+#ifdef HAS_UNION_MAPS
+
+#ifdef _POSIX_SOURCE
+#include <dirent.h>
+#define	DIRENT struct dirent
+#else
+#include <sys/dir.h>
+#define	DIRENT struct direct
+#endif
+
+#define	UNION_PREFIX	"union:"
+#define	UNION_PREFLEN	6
+
+/*
+ * No way to probe - check the map name begins with "union:"
+ */
+int union_init P((char *map, time_t *tp));
+int union_init(map, tp)
+char *map;
+time_t *tp;
+{
+	*tp = 0;
+	return strncmp(map, UNION_PREFIX, UNION_PREFLEN) == 0 ? 0 : ENOENT;
+}
+
+int union_search P((mnt_map *m, char *map, char *key, char **pval, time_t *tp));
+int union_search(m, map, key, pval, tp)
+mnt_map *m;
+char *map;
+char *key;
+char **pval;
+time_t *tp;
+{
+	char *mapd = strdup(map + UNION_PREFLEN);
+	char **v = strsplit(mapd, ':', '\"');
+	char **p;
+	for (p = v; p[1]; p++)
+		;
+	*pval = xmalloc(strlen(*p) + 5);
+	sprintf(*pval, "fs:=%s", *p);
+	free(mapd);
+	free(v);
+	return 0;
+}
+
+int union_reload P((mnt_map *m, char *map, void (*fn)()));
+int union_reload(m, map, fn)
+mnt_map *m;
+char *map;
+void (*fn)();
+{
+	char *mapd = strdup(map + UNION_PREFLEN);
+	char **v = strsplit(mapd, ':', '\"');
+	char **dir;
+
+	/*
+	 * Add fake /defaults entry
+	 */
+	(*fn)(m, strdup("/defaults"), strdup("type:=link;opts:=nounmount;sublink:=${key}"));
+
+	for (dir = v; *dir; dir++) {
+		int dlen;
+		DIRENT *dp;
+		DIR *dirp = opendir(*dir);
+		if (!dirp) {
+			plog(XLOG_USER, "Cannot read directory %s: %m", *dir);
+			continue;
+		}
+		dlen = strlen(*dir);
+#ifdef DEBUG
+		dlog("Reading directory %s...", *dir);
+#endif
+		while (dp = readdir(dirp)) {
+			char *val;
+			if (dp->d_name[0] == '.' &&
+					(dp->d_name[1] == '\0' ||
+					(dp->d_name[1] == '.' && dp->d_name[2] == '\0')))
+				continue;
+
+#ifdef DEBUG
+			dlog("... gives %s", dp->d_name);
+#endif
+			val = xmalloc(dlen + 5);
+			sprintf(val, "fs:=%s", *dir);
+			(*fn)(m, strdup(dp->d_name), val);
+		}
+		closedir(dirp);
+	}
+	/*
+	 * Add wildcard entry
+	 */
+	{ char *val = xmalloc(strlen(dir[-1]) + 5);
+	  sprintf(val, "fs:=%s", dir[-1]);
+	  (*fn)(m, strdup("*"), val);
+	}
+	free(mapd);
+	free(v);
+	return 0;
+}
+
+#endif /* HAS_UNION_MAPS */
diff --git a/usr.sbin/amd/amd/map.c b/usr.sbin/amd/amd/map.c
new file mode 100644
index 0000000..6f2acb3
--- /dev/null
+++ b/usr.sbin/amd/amd/map.c
@@ -0,0 +1,1140 @@
+/*-
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id: map.c,v 5.2.2.1 1992/02/09 15:08:36 jsp beta $
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)map.c	8.1 (Berkeley) 6/6/93";
+#endif /* not lint */
+
+#include "am.h"
+
+/*
+ * Generation Numbers.
+ *
+ * Generation numbers are allocated to every node created
+ * by amd.  When a filehandle is computed and sent to the
+ * kernel, the generation number makes sure that it is safe
+ * to reallocate a node slot even when the kernel has a cached
+ * reference to its old incarnation.
+ * No garbage collection is done, since it is assumed that
+ * there is no way that 2^32 generation numbers could ever
+ * be allocated by a single run of amd - there is simply
+ * not enough cpu time available.
+ */
+static unsigned int am_gen = 2;	/* Initial generation number */
+#define new_gen() (am_gen++)
+
+am_node **exported_ap = (am_node **) 0;
+int exported_ap_size = 0;
+int first_free_map = 0;		/* First available free slot */
+int last_used_map = -1;		/* Last unavailable used slot */
+static int timeout_mp_id;	/* Id from last call to timeout */
+
+/*
+ * This is the default attributes field which
+ * is copied into every new node to be created.
+ * The individual filesystem fs_init() routines
+ * patch the copy to represent the particular
+ * details for the relevant filesystem type
+ */
+static struct fattr gen_fattr = {
+	NFLNK,				/* type */
+	NFSMODE_LNK | 0777,		/* mode */
+	1,				/* nlink */
+	0,				/* uid */
+	0,				/* gid */
+	0,				/* size */
+	4096,				/* blocksize */
+	0,				/* rdev */
+	1,				/* blocks */
+	0,				/* fsid */
+	0,				/* fileid */
+	{ 0, 0 },			/* atime */
+	{ 0, 0 },			/* mtime */
+	{ 0, 0 },			/* ctime */
+};
+
+/*
+ * Resize exported_ap map
+ */
+static int exported_ap_realloc_map P((int nsize));
+static int exported_ap_realloc_map(nsize)
+int nsize;
+{
+#ifdef notdef
+	/*
+	 * If a second realloc occasionally causes Amd to die
+	 * in then include this check.
+	 */
+	if (exported_ap_size != 0)	/* XXX */
+		return 0;
+#endif
+
+	/*
+	 * this shouldn't happen, but...
+	 */
+	if (nsize < 0 || nsize == exported_ap_size)
+		return 0;
+
+	exported_ap = (am_node **) xrealloc((voidp) exported_ap, nsize * sizeof(am_node*));
+
+	if (nsize > exported_ap_size)
+		bzero((char*) (exported_ap+exported_ap_size),
+			(nsize - exported_ap_size) * sizeof(am_node*));
+	exported_ap_size = nsize;
+
+	return 1;
+}
+
+	
+/*
+ * The root of the mount tree.
+ */
+am_node *root_node;
+
+/*
+ * Allocate a new mount slot and create
+ * a new node.
+ * Fills in the map number of the node,
+ * but leaves everything else uninitialised.
+ */
+am_node *exported_ap_alloc(P_void)
+{
+	am_node *mp, **mpp;
+
+	/*
+	 * First check if there are any slots left, realloc if needed
+	 */
+	if (first_free_map >= exported_ap_size)
+		if (!exported_ap_realloc_map(exported_ap_size + NEXP_AP))
+			return 0;
+
+	/*
+	 * Grab the next free slot
+	 */
+	mpp = exported_ap + first_free_map;
+	mp = *mpp = ALLOC(am_node);
+	bzero((char *) mp, sizeof(*mp));
+
+	mp->am_mapno = first_free_map++;
+
+	/*
+	 * Update free pointer
+	 */
+	while (first_free_map < exported_ap_size && exported_ap[first_free_map])
+		first_free_map++;
+
+	if (first_free_map > last_used_map)
+		last_used_map = first_free_map - 1;
+
+	/*
+	 * Shrink exported_ap if reasonable
+	 */
+	if (last_used_map < exported_ap_size - (NEXP_AP + NEXP_AP_MARGIN))
+		exported_ap_realloc_map(exported_ap_size - NEXP_AP);
+
+#ifdef DEBUG
+	/*dlog("alloc_exp: last_used_map = %d, first_free_map = %d\n",
+		last_used_map, first_free_map);*/
+#endif /* DEBUG */
+
+	return mp;
+}
+
+/*
+ * Free a mount slot
+ */
+void exported_ap_free P((am_node *mp));
+void exported_ap_free(mp)
+am_node *mp;
+{
+	/*
+	 * Sanity check
+	 */
+	if (!mp)
+		return;
+
+	/*
+	 * Zero the slot pointer to avoid double free's
+	 */
+	exported_ap[mp->am_mapno] = 0;
+
+	/*
+	 * Update the free and last_used indices
+	 */
+	if (mp->am_mapno == last_used_map)
+		while (last_used_map >= 0 && exported_ap[last_used_map] == 0)
+			--last_used_map;
+
+	if (first_free_map > mp->am_mapno)
+		first_free_map = mp->am_mapno;
+
+#ifdef DEBUG
+	/*dlog("free_exp: last_used_map = %d, first_free_map = %d\n",
+		last_used_map, first_free_map);*/
+#endif /* DEBUG */
+
+	/*
+	 * Free the mount node
+	 */
+	free((voidp) mp);
+}
+
+/*
+ * Insert mp into the correct place,
+ * where p_mp is its parent node.
+ * A new node gets placed as the youngest sibling
+ * of any other children, and the parent's child
+ * pointer is adjusted to point to the new child node.
+ */
+void insert_am(mp, p_mp)
+am_node *mp;
+am_node *p_mp;
+{
+	/*
+	 * If this is going in at the root then flag it
+	 * so that it cannot be unmounted by amq.
+	 */
+	if (p_mp == root_node)
+		mp->am_flags |= AMF_ROOT;
+	/*
+	 * Fill in n-way links
+	 */
+	mp->am_parent = p_mp;
+	mp->am_osib = p_mp->am_child;
+	if (mp->am_osib)
+		mp->am_osib->am_ysib = mp;
+	p_mp->am_child = mp;
+}
+
+/*
+ * Remove am from its place in the mount tree
+ */
+void remove_am(mp)
+am_node *mp;
+{
+	/*
+	 * 1.  Consistency check
+	 */
+	if (mp->am_child && mp->am_parent) {
+		plog(XLOG_WARNING, "children of \"%s\" still exist - deleting anyway", mp->am_path);
+	}
+
+	/*
+	 * 2.  Update parent's child pointer
+	 */
+	if (mp->am_parent && mp->am_parent->am_child == mp)
+		mp->am_parent->am_child = mp->am_osib;
+
+	/*
+	 * 3.  Unlink from sibling chain
+	 */
+	if (mp->am_ysib)
+		mp->am_ysib->am_osib = mp->am_osib;
+	if (mp->am_osib)
+		mp->am_osib->am_ysib = mp->am_ysib;
+}
+
+/*
+ * Compute a new time to live value for a node.
+ */
+void new_ttl(mp)
+am_node *mp;
+{
+	mp->am_timeo_w = 0;
+
+	mp->am_ttl = clocktime();
+	mp->am_fattr.atime.seconds = mp->am_ttl;
+	mp->am_ttl += mp->am_timeo;	/* sun's -tl option */
+}
+
+void mk_fattr P((am_node *mp, ftype vntype));
+void mk_fattr(mp, vntype)
+am_node *mp;
+ftype vntype;
+{
+	switch (vntype) {
+	case NFDIR:
+		mp->am_fattr.type = NFDIR;
+		mp->am_fattr.mode = NFSMODE_DIR | 0555;
+		mp->am_fattr.nlink = 2;
+		mp->am_fattr.size = 512;
+		break;
+	case NFLNK:
+		mp->am_fattr.type = NFLNK;
+		mp->am_fattr.mode = NFSMODE_LNK | 0777;
+		mp->am_fattr.nlink = 1;
+		mp->am_fattr.size = 0;
+		break;
+	default:
+		plog(XLOG_FATAL, "Unknown fattr type %d - ignored", vntype);
+		break;
+	}
+}
+
+/*
+ * Initialise an allocated mount node.
+ * It is assumed that the mount node was bzero'd
+ * before getting here so anything that would
+ * be set to zero isn't done here.
+ */
+void init_map(mp, dir)
+am_node *mp;
+char *dir;
+{
+	/* mp->am_mapno initalised by exported_ap_alloc */
+	mp->am_mnt = new_mntfs();
+	mp->am_name = strdup(dir);
+	mp->am_path = strdup(dir);
+	/*mp->am_link = 0;*/
+	/*mp->am_parent = 0;*/
+	/*mp->am_ysib = 0;*/
+	/*mp->am_osib = 0;*/
+	/*mp->am_child = 0;*/
+	/*mp->am_flags = 0;*/
+	/*mp->am_error = 0;*/
+	mp->am_gen = new_gen();
+	/*mp->am_pref = 0;*/
+
+	mp->am_timeo = am_timeo;
+	mp->am_attr.status = NFS_OK;
+	mp->am_fattr = gen_fattr;
+	mp->am_fattr.fsid = 42;
+	mp->am_fattr.fileid = 0;
+	mp->am_fattr.atime.seconds = clocktime();
+	mp->am_fattr.atime.useconds = 0;
+	mp->am_fattr.mtime = mp->am_fattr.ctime = mp->am_fattr.atime;
+
+	new_ttl(mp);
+	mp->am_stats.s_mtime = mp->am_fattr.atime.seconds;
+	/*mp->am_private = 0;*/
+}
+
+/*
+ * Free a mount node.
+ * The node must be already unmounted.
+ */
+void free_map(mp)
+am_node *mp;
+{
+	remove_am(mp);
+
+	if (mp->am_link)
+		free(mp->am_link);
+	if (mp->am_name)
+		free(mp->am_name);
+	if (mp->am_path)
+		free(mp->am_path);
+	if (mp->am_pref)
+		free(mp->am_pref);
+
+	if (mp->am_mnt)
+		free_mntfs(mp->am_mnt);
+
+	exported_ap_free(mp);
+}
+
+/*
+ * Convert from file handle to
+ * automount node.
+ */
+am_node *fh_to_mp3(fhp, rp, c_or_d)
+nfs_fh *fhp;
+int *rp;
+int c_or_d;
+{
+	struct am_fh *fp = (struct am_fh *) fhp;
+	am_node *ap = 0;
+
+	/*
+	 * Check process id matches
+	 * If it doesn't then it is probably
+	 * from an old kernel cached filehandle
+	 * which is now out of date.
+	 */
+	if (fp->fhh_pid != mypid)
+		goto drop;
+
+	/*
+	 * Make sure the index is valid before
+	 * exported_ap is referenced.
+	 */
+	if (fp->fhh_id < 0 || fp->fhh_id >= exported_ap_size)
+		goto drop;
+
+	/*
+	 * Get hold of the supposed mount node
+	 */
+	ap = exported_ap[fp->fhh_id];
+
+	/*
+	 * If it exists then maybe...
+	 */
+	if (ap) {
+		/*
+		 * Check the generation number in the node
+		 * matches the one from the kernel.  If not
+		 * then the old node has been timed out and
+		 * a new one allocated.
+		 */
+		if (ap->am_gen != fp->fhh_gen) {
+			ap = 0;
+			goto drop;
+		}
+
+		/*
+		 * If the node is hung then locate a new node
+		 * for it.  This implements the replicated filesystem
+		 * retries.
+		 */
+		if (ap->am_mnt && FSRV_ISDOWN(ap->am_mnt->mf_server) && ap->am_parent) {
+			int error;
+			am_node *orig_ap = ap;
+#ifdef DEBUG
+			dlog("fh_to_mp3: %s (%s) is hung:- call lookup",
+					orig_ap->am_path, orig_ap->am_mnt->mf_info);
+#endif /* DEBUG */
+			/*
+			 * Update modify time of parent node.
+			 * With any luck the kernel will re-stat
+			 * the child node and get new information.
+			 */
+			orig_ap->am_fattr.mtime.seconds = clocktime();
+
+			/*
+			 * Call the parent's lookup routine for an object
+			 * with the same name.  This may return -1 in error
+			 * if a mount is in progress.  In any case, if no
+			 * mount node is returned the error code is propagated
+			 * to the caller.
+			 */
+			if (c_or_d == VLOOK_CREATE) {
+				ap = (*orig_ap->am_parent->am_mnt->mf_ops->lookuppn)(orig_ap->am_parent,
+						orig_ap->am_name, &error, c_or_d);
+			} else {
+				ap = 0;
+				error = ESTALE;
+			}
+			if (ap == 0) {
+				if (error < 0 && amd_state == Finishing)
+					error = ENOENT;
+				*rp = error;
+				return 0;
+			}
+			/*
+			 * Update last access to original node.  This
+			 * avoids timing it out and so sending ESTALE
+			 * back to the kernel.
+			 * XXX - Not sure we need this anymore (jsp, 90/10/6).
+			 */
+			new_ttl(orig_ap);
+
+		}
+		/*
+		 * Disallow references to objects being unmounted, unless
+		 * they are automount points.
+		 */
+		if (ap->am_mnt && (ap->am_mnt->mf_flags & MFF_UNMOUNTING) &&
+				!(ap->am_flags & AMF_ROOT)) {
+			if (amd_state == Finishing)
+				*rp = ENOENT;
+			else
+				*rp = -1;
+			return 0;
+		}
+		new_ttl(ap);
+	}
+
+drop:
+	if (!ap || !ap->am_mnt) {
+		/*
+		 * If we are shutting down then it is likely
+		 * that this node has disappeared because of
+		 * a fast timeout.  To avoid things thrashing
+		 * just pretend it doesn't exist at all.  If
+		 * ESTALE is returned, some NFS clients just
+		 * keep retrying (stupid or what - if it's
+		 * stale now, what's it going to be in 5 minutes?)
+		 */
+		if (amd_state == Finishing)
+			*rp = ENOENT;
+		else
+			*rp = ESTALE;
+		amd_stats.d_stale++;
+	}
+
+	return ap;
+}
+
+am_node *fh_to_mp(fhp)
+nfs_fh *fhp;
+{
+	int dummy;
+	return fh_to_mp2(fhp, &dummy);
+}
+
+/*
+ * Convert from automount node to
+ * file handle.
+ */
+void mp_to_fh(mp, fhp)
+am_node *mp;
+struct nfs_fh *fhp;
+{
+	struct am_fh *fp = (struct am_fh *) fhp;
+
+	/*
+	 * Take the process id
+	 */
+	fp->fhh_pid = mypid;
+	/*
+	 * .. the map number
+	 */
+	fp->fhh_id = mp->am_mapno;
+	/*
+	 * .. and the generation number
+	 */
+	fp->fhh_gen = mp->am_gen;
+	/*
+	 * .. to make a "unique" triple that will never
+	 * be reallocated except across reboots (which doesn't matter)
+	 * or if we are unlucky enough to be given the same
+	 * pid as a previous amd (very unlikely).
+	 */
+}
+
+static am_node *find_ap2 P((char *dir, am_node *mp));
+static am_node *find_ap2(dir, mp)
+char *dir;
+am_node *mp;
+{
+	if (mp) {
+		am_node *mp2;
+		if (strcmp(mp->am_path, dir) == 0)
+			return mp;
+
+		if ((mp->am_mnt->mf_flags & MFF_MOUNTED) &&
+			strcmp(mp->am_mnt->mf_mount, dir) == 0)
+			return mp;
+
+		mp2 = find_ap2(dir, mp->am_osib);
+		if (mp2)
+			return mp2;
+		return find_ap2(dir, mp->am_child);
+	}
+
+	return 0;
+}
+
+/*
+ * Find the mount node corresponding
+ * to dir.  dir can match either the
+ * automount path or, if the node is
+ * mounted, the mount location.
+ */
+am_node *find_ap P((char *dir));
+am_node *find_ap(dir)
+char *dir;
+{
+	int i;
+
+	for (i = last_used_map; i >= 0; --i) {
+		am_node *mp = exported_ap[i];
+		if (mp && (mp->am_flags & AMF_ROOT)) {
+			mp = find_ap2(dir, exported_ap[i]);
+			if (mp)
+				return mp;
+		}
+	}
+
+	return 0;
+}
+
+/*
+ * Find the mount node corresponding
+ * to the mntfs structure.
+ */
+am_node *find_mf P((mntfs *mf));
+am_node *find_mf(mf)
+mntfs *mf;
+{
+	int i;
+
+	for (i = last_used_map; i >= 0; --i) {
+		am_node *mp = exported_ap[i];
+		if (mp && mp->am_mnt == mf)
+			return mp;
+	}
+	return 0;
+}
+
+/*
+ * Get the filehandle for a particular named directory.
+ * This is used during the bootstrap to tell the kernel
+ * the filehandles of the initial automount points.
+ */
+nfs_fh *root_fh(dir)
+char *dir;
+{
+	static nfs_fh nfh;
+	am_node *mp = root_ap(dir, TRUE);
+	if (mp) {
+		mp_to_fh(mp, &nfh);
+		/*
+		 * Patch up PID to match main server...
+		 */
+		if (!foreground) {
+			long pid = getppid();
+			((struct am_fh *) &nfh)->fhh_pid = pid;
+#ifdef DEBUG
+			dlog("root_fh substitutes pid %d", pid);
+#endif
+		}
+		return &nfh;
+	}
+
+	/*
+	 * Should never get here...
+	 */
+	plog(XLOG_ERROR, "Can't find root filehandle for %s", dir);
+	return 0;
+}
+
+am_node *root_ap(dir, path)
+char *dir;
+int path;
+{
+	am_node *mp = find_ap(dir);
+	if (mp && mp->am_parent == root_node)
+		return mp;
+
+	return 0;
+}
+
+/*
+ * Timeout all nodes waiting on
+ * a given Fserver.
+ */
+void map_flush_srvr P((fserver *fs));
+void map_flush_srvr(fs)
+fserver *fs;
+{
+	int i;
+	int done = 0;
+
+	for (i = last_used_map; i >= 0; --i) {
+		am_node *mp = exported_ap[i];
+		if (mp && mp->am_mnt && mp->am_mnt->mf_server == fs) {
+			plog(XLOG_INFO, "Flushed %s; dependent on %s", mp->am_path, fs->fs_host);
+			mp->am_ttl = clocktime();
+			done = 1;
+		}
+	}
+	if (done)
+		reschedule_timeout_mp();
+}
+
+/*
+ * Mount a top level automount node
+ * by calling lookup in the parent
+ * (root) node which will cause the
+ * automount node to be automounted.
+ */
+int mount_auto_node P((char *dir, voidp arg));
+int mount_auto_node(dir, arg)
+char *dir;
+voidp arg;
+{
+	int error = 0;
+	(void) afs_ops.lookuppn((am_node *) arg, dir, &error, VLOOK_CREATE);
+	if (error > 0) {
+		errno = error; /* XXX */
+		plog(XLOG_ERROR, "Could not mount %s: %m", dir);
+	}
+	return error;
+}
+
+/*
+ * Cause all the top-level mount nodes
+ * to be automounted
+ */
+int mount_exported P((void));
+int mount_exported()
+{
+	/*
+	 * Iterate over all the nodes to be started
+	 */
+	return root_keyiter((void (*)P((char*,void*))) mount_auto_node, root_node);
+}
+
+/*
+ * Construct top-level node
+ */
+void make_root_node P((void));
+void make_root_node()
+{
+	mntfs *root_mnt;
+	char *rootmap = ROOT_MAP;
+	root_node = exported_ap_alloc();
+
+	/*
+	 * Allocate a new map
+	 */
+	init_map(root_node, "");
+	/*
+	 * Allocate a new mounted filesystem
+	 */
+	root_mnt = find_mntfs(&root_ops, (am_opts *) 0, "", rootmap, "", "", "");
+	/*
+	 * Replace the initial null reference
+	 */
+	free_mntfs(root_node->am_mnt);
+	root_node->am_mnt = root_mnt;
+
+	/*
+	 * Initialise the root
+	 */
+	if (root_mnt->mf_ops->fs_init)
+		(*root_mnt->mf_ops->fs_init)(root_mnt);
+
+	/*
+	 * Mount the root
+	 */
+	root_mnt->mf_error = (*root_mnt->mf_ops->mount_fs)(root_node);
+}
+
+/*
+ * Cause all the nodes to be unmounted by timing
+ * them out.
+ */
+void umount_exported(P_void)
+{
+	int i;
+	for (i = last_used_map; i >= 0; --i) {
+		am_node *mp = exported_ap[i];
+		if (mp) {
+			mntfs *mf = mp->am_mnt;
+			if (mf->mf_flags & MFF_UNMOUNTING) {
+				/*
+				 * If this node is being unmounted then
+				 * just ignore it.  However, this could
+				 * prevent amd from finishing if the
+				 * unmount gets blocked since the am_node
+				 * will never be free'd.  am_unmounted needs
+				 * telling about this possibility. - XXX
+				 */
+				continue;
+			}
+			if (mf && !(mf->mf_ops->fs_flags & FS_DIRECTORY)) {
+				/*
+				 * When shutting down this had better
+				 * look like a directory, otherwise it
+				 * can't be unmounted!
+				 */
+				mk_fattr(mp, NFDIR);
+			}
+			if ((--immediate_abort < 0 && !(mp->am_flags & AMF_ROOT) && mp->am_parent) ||
+			    (mf->mf_flags & MFF_RESTART)) {
+				/*
+				 * Just throw this node away without
+				 * bothering to unmount it.  If the
+				 * server is not known to be up then
+				 * don't discard the mounted on directory
+				 * or Amd might hang...
+				 */
+				if (mf->mf_server &&
+					(mf->mf_server->fs_flags & (FSF_DOWN|FSF_VALID)) != FSF_VALID)
+					mf->mf_flags &= ~MFF_MKMNT;
+				am_unmounted(mp);
+			} else {
+				/*
+				 * Any other node gets forcibly
+				 * timed out
+				 */
+				mp->am_flags &= ~AMF_NOTIMEOUT;
+				mp->am_mnt->mf_flags &= ~MFF_RSTKEEP;
+				mp->am_ttl = 0;
+				mp->am_timeo = 1;
+				mp->am_timeo_w = 0;
+			}
+		}
+	}
+}
+
+static int unmount_node P((am_node *mp));
+static int unmount_node(mp)
+am_node *mp;
+{
+	mntfs *mf = mp->am_mnt;
+	int error;
+
+	if ((mf->mf_flags & MFF_ERROR) || mf->mf_refc > 1) {
+		/*
+		 * Just unlink
+		 */
+#ifdef DEBUG
+		if (mf->mf_flags & MFF_ERROR)
+			dlog("No-op unmount of error node %s", mf->mf_info);
+#endif /* DEBUG */
+		error = 0;
+	} else {
+#ifdef DEBUG
+		dlog("Unmounting %s (%s)", mf->mf_mount, mf->mf_info);
+#endif /* DEBUG */
+		error = (*mf->mf_ops->umount_fs)(mp);
+	}
+
+	if (error) {
+#ifdef DEBUG
+		errno = error; /* XXX */
+		dlog("%s: unmount: %m", mf->mf_mount);
+#endif /* DEBUG */
+	}
+
+	return error;
+}
+
+#ifdef FLUSH_KERNEL_NAME_CACHE
+static void flush_kernel_name_cache P((am_node*));
+static void flush_kernel_name_cache(mp)
+am_node *mp;
+{
+	int islink = (mp->am_mnt->mf_fattr.type == NFLNK);
+	int isdir = (mp->am_mnt->mf_fattr.type == NFDIR);
+	int elog = 0;
+	if (islink) {
+		if (unlink(mp->am_path) < 0)
+			elog = 1;
+	} else if (isdir) {
+		if (rmdir(mp->am_path) < 0)
+			elog = 1;
+	}
+	if (elog)
+		plog(XLOG_WARNING, "failed to clear \"%s\" from dnlc: %m", mp->am_path);
+}
+#endif /* FLUSH_KERNEL_NAME_CACHE */
+
+static int unmount_node_wrap P((voidp vp));
+static int unmount_node_wrap(vp)
+voidp vp;
+{
+#ifndef FLUSH_KERNEL_NAME_CACHE
+	return unmount_node((am_node*) vp);
+#else /* FLUSH_KERNEL_NAME_CACHE */
+	/*
+	 * This code should just say:
+	 * return unmount_node((am_node *) vp);
+	 *
+	 * However...
+	 * The kernel keeps a cached copy of filehandles,
+	 * and doesn't ever uncache them (apparently).  So
+	 * when Amd times out a node the kernel will have a
+	 * stale filehandle.  When the kernel next uses the
+	 * filehandle it gets ESTALE.
+	 *
+	 * The workaround:
+	 * Arrange that when a node is removed an unlink or
+	 * rmdir is done on that path so that the kernel
+	 * cache is done.  Yes - yuck.
+	 *
+	 * This can all be removed (and the background
+	 * unmount flag in sfs_ops) if/when the kernel does
+	 * something smarter.
+	 *
+	 * If the unlink or rmdir failed then just log a warning,
+	 * don't fail the unmount.  This can occur if the kernel
+	 * client code decides that the object is still referenced
+	 * and should be renamed rather than discarded.
+	 *
+	 * There is still a race condition here...
+	 * if another process is trying to access the same
+	 * filesystem at the time we get here, then
+	 * it will block, since the MF_UNMOUNTING flag will
+	 * be set.  That may, or may not, cause the entire
+	 * system to deadlock.  Hmmm...
+	 */
+	am_node *mp = (am_node *) vp;
+	int isauto = mp->am_parent && (mp->am_parent->am_mnt->mf_fattr.type == NFDIR);
+	int error = unmount_node(mp);
+	if (error)
+		return error;
+	if (isauto && (int)amd_state < (int)Finishing)
+		flush_kernel_name_cache(mp);
+
+	return 0;
+#endif /* FLUSH_KERNEL_NAME_CACHE */
+}
+
+static void free_map_if_success(rc, term, closure)
+int rc;
+int term;
+voidp closure;
+{
+	am_node *mp = (am_node *) closure;
+	mntfs *mf = mp->am_mnt;
+
+	/*
+	 * Not unmounting any more
+	 */
+	mf->mf_flags &= ~MFF_UNMOUNTING;
+
+	/*
+	 * If a timeout was defered because the underlying filesystem
+	 * was busy then arrange for a timeout as soon as possible.
+	 */
+	if (mf->mf_flags & MFF_WANTTIMO) {
+		mf->mf_flags &= ~MFF_WANTTIMO;
+		reschedule_timeout_mp();
+	}
+
+	if (term) {
+		plog(XLOG_ERROR, "unmount for %s got signal %d", mp->am_path, term);
+#if defined(DEBUG) && defined(SIGTRAP)
+		/*
+		 * dbx likes to put a trap on exit().
+		 * Pretend it succeeded for now...
+		 */
+		if (term == SIGTRAP) {
+			am_unmounted(mp);
+		}
+#endif /* DEBUG */
+		amd_stats.d_uerr++;
+	} else if (rc) {
+		if (rc == EBUSY) {
+			plog(XLOG_STATS, "\"%s\" on %s still active", mp->am_path, mf->mf_mount);
+		} else {
+			errno = rc;	/* XXX */
+			plog(XLOG_ERROR, "%s: unmount: %m", mp->am_path);
+		}
+		amd_stats.d_uerr++;
+	} else {
+		am_unmounted(mp);
+	}
+
+	/*
+	 * Wakeup anything waiting for this mount
+	 */
+	wakeup((voidp) mf);
+}
+
+static int unmount_mp(mp)
+am_node *mp;
+{
+	int was_backgrounded = 0;
+	mntfs *mf = mp->am_mnt;
+
+#ifdef notdef
+	plog(XLOG_INFO, "\"%s\" on %s timed out", mp->am_path, mp->am_mnt->mf_mount);
+#endif /* notdef */
+
+	if ((mf->mf_ops->fs_flags & FS_UBACKGROUND) &&
+			(mf->mf_flags & MFF_MOUNTED)) {
+		if (mf->mf_refc == 1 && !FSRV_ISUP(mf->mf_server)) {
+			/*
+			 * Don't try to unmount from a server that is known to be down
+			 */
+			if (!(mf->mf_flags & MFF_LOGDOWN)) {
+				/* Only log this once, otherwise gets a bit boring */
+				plog(XLOG_STATS, "file server %s is down - timeout of \"%s\" ignored", mf->mf_server->fs_host, mp->am_path);
+				mf->mf_flags |= MFF_LOGDOWN;
+			}
+		} else {
+			/* Clear logdown flag - since the server must be up */
+			mf->mf_flags &= ~MFF_LOGDOWN;
+#ifdef DEBUG
+			dlog("\"%s\" on %s timed out", mp->am_path, mp->am_mnt->mf_mount);
+			/*dlog("Will background the unmount attempt");*/
+#endif /* DEBUG */
+			/*
+			 * Note that we are unmounting this node
+			 */
+			mf->mf_flags |= MFF_UNMOUNTING;
+			run_task(unmount_node_wrap, (voidp) mp,
+				 free_map_if_success, (voidp) mp);
+			was_backgrounded = 1;
+#ifdef DEBUG
+			dlog("unmount attempt backgrounded");
+#endif /* DEBUG */
+		}
+	} else {
+#ifdef DEBUG
+		dlog("\"%s\" on %s timed out", mp->am_path, mp->am_mnt->mf_mount);
+		dlog("Trying unmount in foreground");
+#endif
+		mf->mf_flags |= MFF_UNMOUNTING;
+		free_map_if_success(unmount_node(mp), 0, (voidp) mp);
+#ifdef DEBUG
+		dlog("unmount attempt done");
+#endif /* DEBUG */
+	}
+
+	return was_backgrounded;
+}
+
+void timeout_mp()
+{
+#define NEVER (time_t) 0
+#define	smallest_t(t1, t2) \
+	(t1 != NEVER ? (t2 != NEVER ? (t1 < t2 ? t1 : t2) : t1) : t2)
+#define IGNORE_FLAGS (MFF_MOUNTING|MFF_UNMOUNTING|MFF_RESTART)
+
+	int i;
+	time_t t = NEVER;
+	time_t now = clocktime();
+	int backoff = 0;
+
+#ifdef DEBUG
+	dlog("Timing out automount points...");
+#endif /* DEBUG */
+	for (i = last_used_map; i >= 0; --i) {
+		am_node *mp = exported_ap[i];
+		mntfs *mf;
+		/*
+		 * Just continue if nothing mounted, or can't be timed out.
+		 */
+		if (!mp || (mp->am_flags & AMF_NOTIMEOUT))
+			continue;
+		/*
+		 * Pick up mounted filesystem
+		 */
+		mf = mp->am_mnt;
+		if (!mf)
+			continue;
+		/*
+		 * Don't delete last reference to a restarted filesystem.
+		 */
+		if ((mf->mf_flags & MFF_RSTKEEP) && mf->mf_refc == 1)
+			continue;
+		/*
+		 * If there is action on this filesystem then ignore it
+		 */
+		if (!(mf->mf_flags & IGNORE_FLAGS)) {
+			int expired = 0;
+			mf->mf_flags &= ~MFF_WANTTIMO;
+#ifdef DEBUG
+			/*dlog("t is initially @%d, zero in %d secs", t, t - now);*/
+#endif /* DEBUG */
+			if (now >= mp->am_ttl) {
+				if (!backoff) {
+					expired = 1;
+					/*
+					 * Move the ttl forward to avoid thrashing effects
+					 * on the next call to timeout!
+					 */
+					/* sun's -tw option */
+					if (mp->am_timeo_w < 4 * am_timeo_w)
+						mp->am_timeo_w += am_timeo_w;
+					mp->am_ttl = now + mp->am_timeo_w;
+				} else {
+					/*
+					 * Just backoff this unmount for
+					 * a couple of seconds to avoid
+					 * many multiple unmounts being
+					 * started in parallel.
+					 */
+					mp->am_ttl = now + backoff + 1;
+				}
+			}
+			/*
+			 * If the next ttl is smallest, use that
+			 */
+			t = smallest_t(t, mp->am_ttl);
+
+#ifdef DEBUG
+			/*dlog("after ttl t is @%d, zero in %d secs", t, t - now);*/
+#endif /* DEBUG */
+
+			if (!mp->am_child && mf->mf_error >= 0 && expired) {
+				/*
+				 * If the unmount was backgrounded then
+				 * bump the backoff counter.
+				 */
+				if (unmount_mp(mp)) {
+					backoff = 2;
+#ifdef DEBUG
+					/*dlog("backing off subsequent unmounts by at least %d seconds", backoff);*/
+#endif
+				}
+			}
+		} else if (mf->mf_flags & MFF_UNMOUNTING) {
+			mf->mf_flags |= MFF_WANTTIMO;
+		}
+	}
+
+	if (t == NEVER) {
+#ifdef DEBUG
+		dlog("No further timeouts");
+#endif /* DEBUG */
+		t = now + ONE_HOUR;
+	}
+
+	/*
+	 * Sanity check to avoid runaways.
+	 * Absolutely should never get this but
+	 * if you do without this trap amd will thrash.
+	 */
+	if (t <= now) {
+		t = now + 6;	/* XXX */
+		plog(XLOG_ERROR, "Got a zero interval in timeout_mp()!");
+	}
+	/*
+	 * XXX - when shutting down, make things happen faster
+	 */
+	if ((int)amd_state >= (int)Finishing)
+		t = now + 1;
+#ifdef DEBUG
+	dlog("Next mount timeout in %ds", t - now);
+#endif /* DEBUG */
+
+	timeout_mp_id = timeout(t - now, timeout_mp, 0);
+
+#undef NEVER
+#undef smallest_t
+#undef IGNORE_FLAGS
+}
+
+/*
+ * Cause timeout_mp to be called soonest
+ */
+void reschedule_timeout_mp()
+{
+	if (timeout_mp_id)
+		untimeout(timeout_mp_id);
+	timeout_mp_id = timeout(0, timeout_mp, 0);
+}
diff --git a/usr.sbin/amd/amd/mapc.c b/usr.sbin/amd/amd/mapc.c
new file mode 100644
index 0000000..2155f19
--- /dev/null
+++ b/usr.sbin/amd/amd/mapc.c
@@ -0,0 +1,914 @@
+/*-
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id: mapc.c,v 5.2.2.1 1992/02/09 15:08:38 jsp beta $
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)mapc.c	8.1 (Berkeley) 6/6/93";
+#endif /* not lint */
+
+/*
+ * Mount map cache
+ */
+
+#include "am.h"
+#ifdef HAS_REGEXP
+#include RE_HDR
+#endif
+
+/*
+ * Hash table size
+ */
+#define	NKVHASH	(1 << 2)		/* Power of two */
+
+/*
+ * Wildcard key
+ */
+static char wildcard[] = "*";
+
+/*
+ * Map cache types
+ * default, none, incremental, all, regexp
+ * MAPC_RE implies MAPC_ALL and must be numerically
+ * greater.
+ */
+#define	MAPC_DFLT	0x000
+#define	MAPC_NONE	0x001
+#define	MAPC_INC	0x002
+#define	MAPC_ROOT	0x004
+#define	MAPC_ALL	0x010
+#ifdef HAS_REGEXP
+#define MAPC_RE		0x020
+#define	MAPC_ISRE(m) ((m)->alloc == MAPC_RE)
+#else
+#define MAPC_ISRE(m) FALSE
+#endif
+#define	MAPC_CACHE_MASK	0x0ff
+#define	MAPC_SYNC	0x100
+
+static struct opt_tab mapc_opt[] = {
+	{ "all", MAPC_ALL },
+	{ "default", MAPC_DFLT },
+	{ "inc", MAPC_INC },
+	{ "mapdefault", MAPC_DFLT },
+	{ "none", MAPC_NONE },
+#ifdef HAS_REGEXP
+	{ "re", MAPC_RE },
+	{ "regexp", MAPC_RE },
+#endif
+	{ "sync", MAPC_SYNC },
+	{ 0, 0 }
+};
+
+/*
+ * Lookup recursion
+ */
+#define	MREC_FULL	2
+#define	MREC_PART	1
+#define	MREC_NONE	0
+
+/*
+ * Cache map operations
+ */
+typedef void add_fn P((mnt_map*, char*, char*));
+typedef int init_fn P((char*, time_t*));
+typedef int search_fn P((mnt_map*, char*, char*, char**, time_t*));
+typedef int reload_fn P((mnt_map*, char*, add_fn*));
+typedef int mtime_fn P((char*, time_t*));
+
+static void mapc_sync P((mnt_map*));
+
+/*
+ * Map type
+ */
+typedef struct map_type map_type;
+struct map_type {
+	char *name;			/* Name of this map type */
+	init_fn *init;			/* Initialisation */
+	reload_fn *reload;		/* Reload or fill */
+	search_fn *search;		/* Search for new entry */
+	mtime_fn *mtime;		/* Find modify time */
+	int def_alloc;			/* Default allocation mode */
+};
+
+/*
+ * Key-value pair
+ */
+typedef struct kv kv;
+struct kv {
+	kv *next;
+	char *key;
+	char *val;
+};
+
+struct mnt_map {
+	qelem hdr;
+	int refc;			/* Reference count */
+	short flags;			/* Allocation flags */
+	short alloc;			/* Allocation mode */
+	time_t modify;			/* Modify time of map */
+	char *map_name;			/* Name of this map */
+	char *wildcard;			/* Wildcard value */
+	reload_fn *reload;		/* Function to be used for reloads */
+	search_fn *search;		/* Function to be used for searching */
+	mtime_fn *mtime;		/* Modify time function */
+	kv *kvhash[NKVHASH];		/* Cached data */
+};
+
+/*
+ * Map for root node
+ */
+static mnt_map *root_map;
+
+/*
+ * List of known maps
+ */
+extern qelem map_list_head;
+qelem map_list_head = { &map_list_head, &map_list_head };
+
+/*
+ * Configuration
+ */
+ 
+/* ROOT MAP */
+static int root_init P((char*, time_t*));
+
+/* FILE MAPS */
+#ifdef HAS_FILE_MAPS
+extern int file_init P((char*, time_t*));
+extern int file_reload P((mnt_map*, char*, add_fn*));
+extern int file_search P((mnt_map*, char*, char*, char**, time_t*));
+extern int file_mtime P((char*, time_t*));
+#endif /* HAS_FILE_MAPS */
+
+/* Network Information Service (NIS) MAPS */
+#ifdef HAS_NIS_MAPS
+extern int nis_init P((char*, time_t*));
+#ifdef HAS_NIS_RELOAD
+extern int nis_reload P((mnt_map*, char*, add_fn*));
+#else
+#define nis_reload error_reload
+#endif
+extern int nis_search P((mnt_map*, char*, char*, char**, time_t*));
+#define nis_mtime nis_init
+#endif /* HAS_NIS_MAPS */
+
+/* NDBM MAPS */
+#ifdef HAS_NDBM_MAPS
+#ifdef OS_HAS_NDBM
+extern int ndbm_init P((char*, time_t*));
+extern int ndbm_search P((mnt_map*, char*, char*, char**, time_t*));
+#define ndbm_mtime ndbm_init
+#endif /* OS_HAS_NDBM */
+#endif /* HAS_NDBM_MAPS */
+
+/* PASSWD MAPS */
+#ifdef HAS_PASSWD_MAPS
+extern int passwd_init P((char*, time_t*));
+extern int passwd_search P((mnt_map*, char*, char*, char**, time_t*));
+#endif /* HAS_PASSWD_MAPS */
+
+/* HESIOD MAPS */
+#ifdef HAS_HESIOD_MAPS
+extern int hesiod_init P((char*, time_t*));
+#ifdef HAS_HESIOD_RELOAD
+extern int hesiod_reload P((mnt_map*, char*, add_fn*));
+#else
+#define hesiod_reload error_reload
+#endif
+extern int hesiod_search P((mnt_map*, char*, char*, char**, time_t*));
+#endif /* HAS_HESIOD_MAPS */
+
+/* UNION MAPS */
+#ifdef HAS_UNION_MAPS
+extern int union_init P((char*, time_t*));
+extern int union_search P((mnt_map*, char*, char*, char**, time_t*));
+extern int union_reload P((mnt_map*, char*, add_fn*));
+#endif /* HAS_UNION_MAPS */
+
+/* ERROR MAP */
+static int error_init P((char*, time_t*));
+static int error_reload P((mnt_map*, char*, add_fn*));
+static int error_search P((mnt_map*, char*, char*, char**, time_t*));
+static int error_mtime P((char*, time_t*));
+
+static map_type maptypes[] = {
+	{ "root", root_init, error_reload, error_search, error_mtime, MAPC_ROOT },
+
+#ifdef HAS_PASSWD_MAPS
+	{ "passwd", passwd_init, error_reload, passwd_search, error_mtime, MAPC_INC },
+#endif
+
+#ifdef HAS_HESIOD_MAPS
+	{ "hesiod", hesiod_init, hesiod_reload, hesiod_search, error_mtime, MAPC_ALL },
+#endif
+
+#ifdef HAS_UNION_MAPS
+	{ "union", union_init, union_reload, union_search, error_mtime, MAPC_ALL },
+#endif
+
+#ifdef HAS_NIS_MAPS
+	{ "nis", nis_init, nis_reload, nis_search, nis_mtime, MAPC_INC },
+#endif
+
+#ifdef HAS_NDBM_MAPS
+	{ "ndbm", ndbm_init, error_reload, ndbm_search, ndbm_mtime, MAPC_INC },
+#endif
+
+#ifdef HAS_FILE_MAPS
+	{ "file", file_init, file_reload, file_search, file_mtime, MAPC_ALL },
+#endif
+
+	{ "error", error_init, error_reload, error_search, error_mtime, MAPC_NONE },
+};
+
+/*
+ * Hash function
+ */
+static unsigned int kvhash_of P((char *key));
+static unsigned int kvhash_of(key)
+char *key;
+{
+	unsigned int i, j;
+
+	for (i = 0; j = *key++; i += j)
+		;
+
+	return i % NKVHASH;
+}
+
+void mapc_showtypes P((FILE *fp));
+void mapc_showtypes(fp)
+FILE *fp;
+{
+	map_type *mt;
+	char *sep = "";
+	for (mt = maptypes; mt < maptypes+sizeof(maptypes)/sizeof(maptypes[0]); mt++) {
+		fprintf(fp, "%s%s", sep, mt->name);
+		sep = ", ";
+	}
+}
+
+static Const char *reg_error = "?";
+void regerror P((Const char *m));
+void regerror(m)
+Const char *m;
+{
+	reg_error = m;
+}
+
+/*
+ * Add key and val to the map m.
+ * key and val are assumed to be safe copies
+ */
+void mapc_add_kv P((mnt_map *m, char *key, char *val));
+void mapc_add_kv(m, key, val)
+mnt_map *m;
+char *key;
+char *val;
+{
+	kv **h;
+	kv *n;
+	int hash = kvhash_of(key);
+
+#ifdef DEBUG
+	dlog("add_kv: %s -> %s", key, val);
+#endif
+
+#ifdef HAS_REGEXP
+	if (MAPC_ISRE(m)) {
+		char keyb[MAXPATHLEN];
+		regexp *re;
+		/*
+		 * Make sure the string is bound to the start and end
+		 */
+		sprintf(keyb, "^%s$", key);
+		re = regcomp(keyb);
+		if (re == 0) {
+			plog(XLOG_USER, "error compiling RE \"%s\": %s", keyb, reg_error);
+			return;
+		} else {
+			free(key);
+			key = (char *) re;
+		}
+	}
+#endif
+
+	h = &m->kvhash[hash];
+	n = ALLOC(kv);
+	n->key = key;
+	n->val = val;
+	n->next = *h;
+	*h = n;
+}
+
+void mapc_repl_kv P((mnt_map *m, char *key, char *val));
+void mapc_repl_kv(m, key, val)
+mnt_map *m;
+char *key;
+char *val;
+{
+	kv *k;
+
+	/*
+	 * Compute the hash table offset
+	 */
+	k = m->kvhash[kvhash_of(key)];
+
+	/*
+	 * Scan the linked list for the key
+	 */
+	while (k && !FSTREQ(k->key, key))
+		k = k->next;
+
+	if (k) {
+		free(k->val);
+		k->val = val;
+	} else {
+		mapc_add_kv(m, key, val);
+	}
+
+}
+
+/*
+ * Search a map for a key.
+ * Calls map specific search routine.
+ * While map is out of date, keep re-syncing.
+ */
+static int search_map P((mnt_map *m, char *key, char **valp));
+static int search_map(m, key, valp)
+mnt_map *m;
+char *key;
+char **valp;
+{
+	int rc;
+	do {
+		rc = (*m->search)(m, m->map_name, key, valp, &m->modify);
+		if (rc < 0) {
+			plog(XLOG_MAP, "Re-synchronizing cache for map %s", m->map_name);
+			mapc_sync(m);
+		}
+	} while (rc < 0);
+
+	return rc;
+}
+
+/*
+ * Do a wildcard lookup in the map and
+ * save the result.
+ */
+static void mapc_find_wildcard P((mnt_map *m));
+static void mapc_find_wildcard(m)
+mnt_map *m;
+{
+	/*
+	 * Attempt to find the wildcard entry
+	 */
+	int rc = search_map(m, wildcard, &m->wildcard);
+
+	if (rc != 0)
+		m->wildcard = 0;
+}
+
+/*
+ * Make a duplicate reference to an existing map
+ */
+#define mapc_dup(m) ((m)->refc++, (m))
+
+/*
+ * Do a map reload
+ */
+static int mapc_reload_map(m)
+mnt_map *m;
+{
+	int error;
+#ifdef DEBUG
+	dlog("calling map reload on %s", m->map_name);
+#endif
+	error = (*m->reload)(m, m->map_name, mapc_add_kv);
+	if (error)
+		return error;
+	m->wildcard = 0;
+#ifdef DEBUG
+	dlog("calling mapc_search for wildcard");
+#endif
+	error = mapc_search(m, wildcard, &m->wildcard);
+	if (error)
+		m->wildcard = 0;
+	return 0;
+}
+
+/*
+ * Create a new map
+ */
+static mnt_map *mapc_create P((char *map, char *opt));
+static mnt_map *mapc_create(map, opt)
+char *map;
+char *opt;
+{
+	mnt_map *m = ALLOC(mnt_map);
+	map_type *mt;
+	time_t modify;
+	int alloc = 0;
+
+	(void) cmdoption(opt, mapc_opt, &alloc);
+
+	for (mt = maptypes; mt < maptypes+sizeof(maptypes)/sizeof(maptypes[0]); mt++)
+		if ((*mt->init)(map, &modify) == 0)
+			break;
+	/* assert: mt in maptypes */
+
+	m->flags = alloc & ~MAPC_CACHE_MASK;
+	alloc &= MAPC_CACHE_MASK;
+
+	if (alloc == MAPC_DFLT)
+		alloc = mt->def_alloc;
+	switch (alloc) {
+	default:
+		plog(XLOG_USER, "Ambiguous map cache type \"%s\"; using \"inc\"", opt);
+		alloc = MAPC_INC;
+		/* fallthrough... */
+	case MAPC_NONE:
+	case MAPC_INC:
+	case MAPC_ROOT:
+		break;
+	case MAPC_ALL:
+		/*
+		 * If there is no support for reload and it was requested
+		 * then back off to incremental instead.
+		 */
+		if (mt->reload == error_reload) {
+			plog(XLOG_WARNING, "Map type \"%s\" does not support cache type \"all\"; using \"inc\"", mt->name);
+			alloc = MAPC_INC;
+		}
+		break;
+#ifdef HAS_REGEXP
+	case MAPC_RE:
+		if (mt->reload == error_reload) {
+			plog(XLOG_WARNING, "Map type \"%s\" does not support cache type \"re\"", mt->name);
+			mt = &maptypes[sizeof(maptypes)/sizeof(maptypes[0]) - 1];
+			/* assert: mt->name == "error" */
+		}
+		break;
+#endif
+	}
+
+#ifdef DEBUG
+	dlog("Map for %s coming from maptype %s", map, mt->name);
+#endif
+
+	m->alloc = alloc;
+	m->reload = mt->reload;
+	m->modify = modify;
+	m->search = alloc >= MAPC_ALL ? error_search : mt->search;
+	m->mtime = mt->mtime;
+	bzero((voidp) m->kvhash, sizeof(m->kvhash));
+	m->map_name = strdup(map);
+	m->refc = 1;
+	m->wildcard = 0;
+
+	/*
+	 * synchronize cache with reality
+	 */
+	mapc_sync(m);
+
+	return m;
+}
+
+/*
+ * Free the cached data in a map
+ */
+static void mapc_clear P((mnt_map *m));
+static void mapc_clear(m)
+mnt_map *m;
+{
+	int i;
+
+	/*
+	 * For each of the hash slots, chain
+	 * along free'ing the data.
+	 */
+	for (i = 0; i < NKVHASH; i++) {
+		kv *k = m->kvhash[i];
+		while (k) {
+			kv *n = k->next;
+			free((voidp) k->key);
+			if (k->val)
+				free((voidp) k->val);
+			free((voidp) k);
+			k = n;
+		}
+	}
+	/*
+	 * Zero the hash slots
+	 */
+	bzero((voidp) m->kvhash, sizeof(m->kvhash));
+	/*
+	 * Free the wildcard if it exists
+	 */
+	if (m->wildcard) {
+		free(m->wildcard);
+		m->wildcard = 0;
+	}
+}
+
+/*
+ * Find a map, or create one if it does not exist
+ */
+mnt_map *mapc_find P((char *map, char *opt));
+mnt_map *mapc_find(map, opt)
+char *map;
+char *opt;
+{
+	mnt_map *m;
+
+	/*
+	 * Search the list of known maps to see if
+	 * it has already been loaded.  If it is found
+	 * then return a duplicate reference to it.
+	 * Otherwise make a new map as required and
+	 * add it to the list of maps
+	 */
+	ITER(m, mnt_map, &map_list_head)
+		if (STREQ(m->map_name, map))
+			return mapc_dup(m);
+
+	m = mapc_create(map, opt);
+	ins_que(&m->hdr, &map_list_head);
+	return m;
+}
+
+/*
+ * Free a map.
+ */
+void mapc_free P((mnt_map *m));
+void mapc_free(m)
+mnt_map *m;
+{
+	/*
+	 * Decrement the reference count.
+	 * If the reference count hits zero
+	 * then throw the map away.
+	 */
+	if (m && --m->refc == 0) {
+		mapc_clear(m);
+		free((voidp) m->map_name);
+		rem_que(&m->hdr);
+		free((voidp) m);
+	}
+}
+
+/*
+ * Search the map for the key.
+ * Put a safe copy in *pval or return
+ * an error code
+ */
+int mapc_meta_search P((mnt_map *m, char *key, char **pval, int recurse));
+int mapc_meta_search(m, key, pval, recurse)
+mnt_map *m;
+char *key;
+char **pval;
+int recurse;
+{
+	int error = 0;
+	kv *k = 0;
+
+	/*
+	 * Firewall
+	 */
+	if (!m) {
+		plog(XLOG_ERROR, "Null map request for %s", key);
+		return ENOENT;
+	}
+
+	if (m->flags & MAPC_SYNC) {
+		/*
+		 * Get modify time...
+		 */
+		time_t t;
+		error = (*m->mtime)(m->map_name, &t);
+		if (error || t > m->modify) {
+			m->modify = t;
+			plog(XLOG_INFO, "Map %s is out of date", m->map_name);
+			mapc_sync(m);
+		}
+	}
+
+	if (!MAPC_ISRE(m)) {
+		/*
+		 * Compute the hash table offset
+		 */
+		k = m->kvhash[kvhash_of(key)];
+
+		/*
+		 * Scan the linked list for the key
+		 */
+		while (k && !FSTREQ(k->key, key)) k = k->next;
+
+	}
+#ifdef HAS_REGEXP
+	else if (recurse == MREC_FULL) {
+		/*
+		 * Try for an RE match against the entire map.
+		 * Note that this will be done in a "random"
+		 * order.
+		 */
+
+		int i;
+
+		for (i = 0; i < NKVHASH; i++) {
+			k = m->kvhash[i];
+			while (k) {
+				if (regexec((regexp *) k->key, key))
+					break;
+				k = k->next;
+			}
+			if (k)
+				break;
+		}
+	}
+#endif
+
+	/*
+	 * If found then take a copy
+	 */
+	if (k) {
+		if (k->val)
+			*pval = strdup(k->val);
+		else
+			error = ENOENT;
+	} else if (m->alloc >= MAPC_ALL) {
+		/*
+		 * If the entire map is cached then this
+		 * key does not exist.
+		 */
+		error = ENOENT;
+	} else {
+		/*
+		 * Otherwise search the map.  If we are
+		 * in incremental mode then add the key
+		 * to the cache.
+		 */
+		error = search_map(m, key, pval);
+		if (!error && m->alloc == MAPC_INC)
+			mapc_add_kv(m, strdup(key), strdup(*pval));
+	}
+
+	/*
+	 * If an error, and a wildcard exists,
+	 * and the key is not internal then
+	 * return a copy of the wildcard.
+	 */
+	if (error > 0) {
+		if (recurse == MREC_FULL && !MAPC_ISRE(m)) {
+			char wildname[MAXPATHLEN];
+			char *subp;
+			if (*key == '/')
+				return error;
+			/*
+			 * Keep chopping sub-directories from the RHS
+			 * and replacing with "/ *" and repeat the lookup.
+			 * For example:
+			 * "src/gnu/gcc" -> "src / gnu / *" -> "src / *"
+			 */
+			strcpy(wildname, key);
+			while (error && (subp = strrchr(wildname, '/'))) {
+				strcpy(subp, "/*");
+#ifdef DEBUG
+				dlog("mapc recurses on %s", wildname);
+#endif
+				error = mapc_meta_search(m, wildname, pval, MREC_PART);
+				if (error)
+					*subp = 0;
+			}
+			if (error > 0 && m->wildcard) {
+				*pval = strdup(m->wildcard);
+				error = 0;
+			}
+		}
+	}
+
+	return error;
+}
+
+int mapc_search P((mnt_map *m, char *key, char **pval));
+int mapc_search(m, key, pval)
+mnt_map *m;
+char *key;
+char **pval;
+{
+	return mapc_meta_search(m, key, pval, MREC_FULL);
+}
+
+/*
+ * Get map cache in sync with physical representation
+ */
+static void mapc_sync P((mnt_map *m));
+static void mapc_sync(m)
+mnt_map *m;
+{
+	if (m->alloc != MAPC_ROOT) {
+		mapc_clear(m);
+
+		if (m->alloc >= MAPC_ALL)
+			if (mapc_reload_map(m))
+				m->alloc = MAPC_INC;
+		/*
+		 * Attempt to find the wildcard entry
+		 */
+		if (m->alloc < MAPC_ALL)
+			mapc_find_wildcard(m);
+	}
+}
+
+/*
+ * Reload all the maps
+ * Called when Amd gets hit by a SIGHUP.
+ */
+void mapc_reload(P_void);
+void mapc_reload()
+{
+	mnt_map *m;
+
+	/*
+	 * For all the maps,
+	 * Throw away the existing information.
+	 * Do a reload
+	 * Find the wildcard
+	 */
+	ITER(m, mnt_map, &map_list_head)
+		mapc_sync(m);
+}
+
+/*
+ * Root map.
+ * The root map is used to bootstrap amd.
+ * All the require top-level mounts are added
+ * into the root map and then the map is iterated
+ * and a lookup is done on all the mount points.
+ * This causes the top level mounts to be automounted.
+ */
+
+static int root_init P((char *map, time_t *tp));
+static int root_init(map, tp)
+char *map;
+time_t *tp;
+{
+	*tp = clocktime();
+	return strcmp(map, ROOT_MAP) == 0 ? 0 : ENOENT;
+}
+
+/*
+ * Add a new entry to the root map
+ *
+ * dir - directory (key)
+ * opts - mount options
+ * map - map name
+ */
+void root_newmap P((char *dir, char *opts, char *map));
+void root_newmap(dir, opts, map)
+char *dir;
+char *opts;
+char *map;
+{
+	char str[MAXPATHLEN];
+
+	/*
+	 * First make sure we have a root map to talk about...
+	 */
+	if (!root_map)
+		root_map = mapc_find(ROOT_MAP, "mapdefault");
+
+	/*
+	 * Then add the entry...
+	 */
+	dir = strdup(dir);
+	if (map)
+		sprintf(str, "cache:=mapdefault;type:=toplvl;fs:=\"%s\";%s",
+			map, opts ? opts : "");
+	else
+		strcpy(str, opts);
+	mapc_repl_kv(root_map, dir, strdup(str));
+}
+
+int mapc_keyiter P((mnt_map *m, void (*fn)(char*,voidp), voidp arg));
+int mapc_keyiter(m, fn, arg)
+mnt_map *m;
+void (*fn)P((char*, voidp));
+voidp arg;
+{
+	int i;
+	int c = 0;
+
+	for (i = 0; i < NKVHASH; i++) {
+		kv *k = m->kvhash[i];
+		while (k) {
+			(*fn)(k->key, arg);
+			k = k->next;
+			c++;
+		}
+	}
+
+	return c;
+}
+
+/*
+ * Iterate of the the root map
+ * and call (*fn)() on the key
+ * of all the nodes.
+ * Finally throw away the root map.
+ */
+int root_keyiter P((void (*fn)(char*,voidp), voidp arg));
+int root_keyiter(fn, arg)
+void (*fn)P((char*,voidp));
+voidp arg;
+{
+	if (root_map) {
+		int c = mapc_keyiter(root_map, fn, arg);
+#ifdef notdef
+		mapc_free(root_map);
+		root_map = 0;
+#endif
+		return c;
+	}
+	return 0;
+}
+
+/*
+ * Error map
+ */
+static int error_init P((char *map, time_t *tp));
+static int error_init(map, tp)
+char *map;
+time_t *tp;
+{
+	plog(XLOG_USER, "No source data for map %s", map);
+	*tp = 0;
+	return 0;
+}
+
+/*ARGSUSED*/
+static int error_search P((mnt_map *m, char *map, char *key, char **pval, time_t *tp));
+static int error_search(m, map, key, pval, tp)
+mnt_map *m;
+char *map;
+char *key;
+char **pval;
+time_t *tp;
+{
+	return ENOENT;
+}
+
+/*ARGSUSED*/
+static int error_reload P((mnt_map *m, char *map, add_fn *fn));
+static int error_reload(m, map, fn)
+mnt_map *m;
+char *map;
+add_fn *fn;
+{
+	return ENOENT;
+}
+
+static int error_mtime P((char *map, time_t *tp));
+static int error_mtime(map, tp)
+char *map;
+time_t *tp;
+{
+	*tp = 0;
+	return 0;
+}
diff --git a/usr.sbin/amd/amd/misc_rpc.c b/usr.sbin/amd/amd/misc_rpc.c
new file mode 100644
index 0000000..0fb10c8
--- /dev/null
+++ b/usr.sbin/amd/amd/misc_rpc.c
@@ -0,0 +1,333 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)misc_rpc.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: misc_rpc.c,v 5.2.2.1 1992/02/09 15:08:40 jsp beta $
+ *
+ */
+
+/*
+ * Additions to Sun RPC.
+ */
+
+#include "am.h"
+
+void rpc_msg_init P((struct rpc_msg *mp, u_long prog, u_long vers, u_long proc));
+void rpc_msg_init(mp, prog, vers, proc)
+struct rpc_msg *mp;
+unsigned long prog, vers, proc;
+{
+	/*
+	 * Initialise the message
+	 */
+	bzero((voidp) mp, sizeof(*mp));
+	mp->rm_xid = 0;
+	mp->rm_direction = CALL;
+	mp->rm_call.cb_rpcvers = RPC_MSG_VERSION;
+	mp->rm_call.cb_prog = prog;
+	mp->rm_call.cb_vers = vers;
+	mp->rm_call.cb_proc = proc;
+}
+
+/*
+ * Field reply to call to mountd
+ */
+int pickup_rpc_reply P((voidp pkt, int len, voidp where, xdrproc_t where_xdr));
+int pickup_rpc_reply(pkt, len, where, where_xdr)
+voidp pkt;
+int len;
+voidp where;
+xdrproc_t where_xdr;
+{
+	XDR reply_xdr;
+	int ok;
+	struct rpc_err err;
+	struct rpc_msg reply_msg;
+	int error = 0;
+
+	/*bzero((voidp) &err, sizeof(err));*/
+	bzero((voidp) &reply_msg, sizeof(reply_msg));
+
+	reply_msg.acpted_rply.ar_results.where = (caddr_t) where;
+	reply_msg.acpted_rply.ar_results.proc = where_xdr;
+
+	xdrmem_create(&reply_xdr, pkt, len, XDR_DECODE);
+
+	ok = xdr_replymsg(&reply_xdr, &reply_msg);
+	if (!ok) {
+		error = EIO;
+		goto drop;
+	}
+	_seterr_reply(&reply_msg, &err);
+	if (err.re_status != RPC_SUCCESS) {
+		error = EIO;
+		goto drop;
+	}
+
+drop:
+	if (reply_msg.rm_reply.rp_stat == MSG_ACCEPTED &&
+			reply_msg.acpted_rply.ar_verf.oa_base) {
+		reply_xdr.x_op = XDR_FREE;
+		(void)xdr_opaque_auth(&reply_xdr,
+			&reply_msg.acpted_rply.ar_verf);
+	}
+	xdr_destroy(&reply_xdr);
+
+	return error;
+}
+
+int make_rpc_packet P((char *buf, int buflen, unsigned long proc,
+			struct rpc_msg *mp, voidp arg, xdrproc_t arg_xdr, AUTH *auth));
+int make_rpc_packet(buf, buflen, proc, mp, arg, arg_xdr, auth)
+char *buf;
+int buflen;
+unsigned long proc;
+struct rpc_msg *mp;
+voidp arg;
+xdrproc_t arg_xdr;
+AUTH *auth;
+{
+	XDR msg_xdr;
+	int len;
+
+	xdrmem_create(&msg_xdr, buf, buflen, XDR_ENCODE);
+	/*
+	 * Basic protocol header
+	 */
+	if (!xdr_callhdr(&msg_xdr, mp))
+		return -EIO;
+	/*
+	 * Called procedure number
+	 */
+	if (!xdr_enum(&msg_xdr, &proc))
+		return -EIO;
+	/*
+	 * Authorization
+	 */
+	if (!AUTH_MARSHALL(auth, &msg_xdr))
+		return -EIO;
+	/*
+	 * Arguments
+	 */
+	if (!(*arg_xdr)(&msg_xdr, arg))
+		return -EIO;
+	/*
+	 * Determine length
+	 */
+	len = xdr_getpos(&msg_xdr);
+	/*
+	 * Throw away xdr
+	 */
+	xdr_destroy(&msg_xdr);
+	return len;
+}
+
+
+/*
+ * Early RPC seems to be missing these..
+ * Extracted from the RPC 3.9 sources as indicated
+ */
+
+#ifdef NEED_XDR_POINTER
+/* @(#)xdr_reference.c	1.1 87/11/04 3.9 RPCSRC */
+/*
+ * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
+ * unrestricted use provided that this legend is included on all tape
+ * media and as a part of the software program in whole or part.  Users
+ * may copy or modify Sun RPC without charge, but are not authorized
+ * to license or distribute it to anyone else except as part of a product or
+ * program developed by the user.
+ * 
+ * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
+ * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
+ * 
+ * Sun RPC is provided with no support and without any obligation on the
+ * part of Sun Microsystems, Inc. to assist in its use, correction,
+ * modification or enhancement.
+ * 
+ * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
+ * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
+ * OR ANY PART THEREOF.
+ * 
+ * In no event will Sun Microsystems, Inc. be liable for any lost revenue
+ * or profits or other special, indirect and consequential damages, even if
+ * Sun has been advised of the possibility of such damages.
+ * 
+ * Sun Microsystems, Inc.
+ * 2550 Garcia Avenue
+ * Mountain View, California  94043
+ */
+
+
+/*
+ * xdr_pointer():
+ *
+ * XDR a pointer to a possibly recursive data structure. This
+ * differs with xdr_reference in that it can serialize/deserialiaze
+ * trees correctly.
+ *
+ *  What's sent is actually a union:
+ *
+ *  union object_pointer switch (boolean b) {
+ *  case TRUE: object_data data;
+ *  case FALSE: void nothing;
+ *  }
+ *
+ * > objpp: Pointer to the pointer to the object.
+ * > obj_size: size of the object.
+ * > xdr_obj: routine to XDR an object.
+ *
+ */
+bool_t
+xdr_pointer(xdrs,objpp,obj_size,xdr_obj)
+	register XDR *xdrs;
+	char **objpp;
+	u_int obj_size;
+	xdrproc_t xdr_obj;
+{
+
+	bool_t more_data;
+
+	more_data = (*objpp != NULL);
+	if (! xdr_bool(xdrs,&more_data)) {
+		return (FALSE);
+	}
+	if (! more_data) {
+		*objpp = NULL;
+		return (TRUE);
+	}
+	return (xdr_reference(xdrs,objpp,obj_size,xdr_obj));
+}
+#endif /* NEED_XDR_POINTER */
+
+#ifdef NEED_CLNT_SPERRNO
+/* @(#)clnt_perror.c	1.1 87/11/04 3.9 RPCSRC */
+/*
+ * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
+ * unrestricted use provided that this legend is included on all tape
+ * media and as a part of the software program in whole or part.  Users
+ * may copy or modify Sun RPC without charge, but are not authorized
+ * to license or distribute it to anyone else except as part of a product or
+ * program developed by the user.
+ * 
+ * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
+ * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
+ * 
+ * Sun RPC is provided with no support and without any obligation on the
+ * part of Sun Microsystems, Inc. to assist in its use, correction,
+ * modification or enhancement.
+ * 
+ * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
+ * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
+ * OR ANY PART THEREOF.
+ * 
+ * In no event will Sun Microsystems, Inc. be liable for any lost revenue
+ * or profits or other special, indirect and consequential damages, even if
+ * Sun has been advised of the possibility of such damages.
+ * 
+ * Sun Microsystems, Inc.
+ * 2550 Garcia Avenue
+ * Mountain View, California  94043
+ */
+
+struct rpc_errtab {
+	enum clnt_stat status;
+	char *message;
+};
+
+static struct rpc_errtab  rpc_errlist[] = {
+	{ RPC_SUCCESS, 
+		"RPC: Success" }, 
+	{ RPC_CANTENCODEARGS, 
+		"RPC: Can't encode arguments" },
+	{ RPC_CANTDECODERES, 
+		"RPC: Can't decode result" },
+	{ RPC_CANTSEND, 
+		"RPC: Unable to send" },
+	{ RPC_CANTRECV, 
+		"RPC: Unable to receive" },
+	{ RPC_TIMEDOUT, 
+		"RPC: Timed out" },
+	{ RPC_VERSMISMATCH, 
+		"RPC: Incompatible versions of RPC" },
+	{ RPC_AUTHERROR, 
+		"RPC: Authentication error" },
+	{ RPC_PROGUNAVAIL, 
+		"RPC: Program unavailable" },
+	{ RPC_PROGVERSMISMATCH, 
+		"RPC: Program/version mismatch" },
+	{ RPC_PROCUNAVAIL, 
+		"RPC: Procedure unavailable" },
+	{ RPC_CANTDECODEARGS, 
+		"RPC: Server can't decode arguments" },
+	{ RPC_SYSTEMERROR, 
+		"RPC: Remote system error" },
+	{ RPC_UNKNOWNHOST, 
+		"RPC: Unknown host" },
+/*	{ RPC_UNKNOWNPROTO,
+		"RPC: Unknown protocol" },*/
+	{ RPC_PMAPFAILURE, 
+		"RPC: Port mapper failure" },
+	{ RPC_PROGNOTREGISTERED, 
+		"RPC: Program not registered"},
+	{ RPC_FAILED, 
+		"RPC: Failed (unspecified error)"}
+};
+
+
+/*
+ * This interface for use by clntrpc
+ */
+char *
+clnt_sperrno(stat)
+	enum clnt_stat stat;
+{
+	int i;
+
+	for (i = 0; i < sizeof(rpc_errlist)/sizeof(struct rpc_errtab); i++) {
+		if (rpc_errlist[i].status == stat) {
+			return (rpc_errlist[i].message);
+		}
+	}
+	return ("RPC: (unknown error code)");
+}
+
+#endif /* NEED_CLNT_SPERRNO */
+
diff --git a/usr.sbin/amd/amd/mntfs.c b/usr.sbin/amd/amd/mntfs.c
new file mode 100644
index 0000000..ef8f17f
--- /dev/null
+++ b/usr.sbin/amd/amd/mntfs.c
@@ -0,0 +1,367 @@
+/*-
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id: mntfs.c,v 5.2.2.1 1992/02/09 15:08:42 jsp beta $
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)mntfs.c	8.1 (Berkeley) 6/6/93";
+#endif /* not lint */
+
+
+#include "am.h"
+
+extern qelem mfhead;
+qelem mfhead = { &mfhead, &mfhead };
+
+int mntfs_allocated;
+
+#ifdef notdef
+/*
+ * This is the default attributes field which
+ * is copied into every new node to be created.
+ * The individual filesystem fs_init() routines
+ * patch the copy to represent the particular
+ * details for the relevant filesystem type
+ */
+static struct fattr gen_fattr = {
+	NFDIR,				/* type */
+	NFSMODE_DIR | 0555,		/* mode */
+	2,				/* nlink */
+	0,				/* uid */
+	0,				/* gid */
+	512,				/* size */
+	4096,				/* blocksize */
+	0,				/* rdev */
+	1,				/* blocks */
+	0,				/* fsid */
+	0,				/* fileid */
+	{ 0, 0 },			/* atime */
+	{ 0, 0 },			/* mtime */
+	{ 0, 0 },			/* ctime */
+};
+#endif /* notdef */
+
+mntfs *dup_mntfs(mf)
+mntfs *mf;
+{
+	if (mf->mf_refc == 0) {
+		if (mf->mf_cid)
+			untimeout(mf->mf_cid);
+		mf->mf_cid = 0;
+#ifdef notdef
+		mf->mf_error = -1;
+		mf->mf_flags &= ~MFF_ERROR;
+#endif
+	}
+	mf->mf_refc++;
+	return mf;
+}
+
+static void init_mntfs P((mntfs *mf, am_ops *ops, am_opts *mo, char *mp, char *info, char *auto_opts, char *mopts, char *remopts));
+static void init_mntfs(mf, ops, mo, mp, info, auto_opts, mopts, remopts)
+mntfs *mf;
+am_ops *ops;
+am_opts *mo;
+char *mp;
+char *info;
+char *auto_opts;
+char *mopts;
+char *remopts;
+{
+	mf->mf_ops = ops;
+	mf->mf_fo = mo;
+	mf->mf_mount = strdup(mp);
+	mf->mf_info = strdup(info);
+	mf->mf_auto = strdup(auto_opts);
+	mf->mf_mopts = strdup(mopts);
+	mf->mf_remopts = strdup(remopts);
+	mf->mf_refc = 1;
+	mf->mf_flags = 0;
+	mf->mf_error = -1;
+	mf->mf_cid = 0;
+	mf->mf_private = 0;
+	mf->mf_prfree = 0;
+#ifdef notdef
+	mf->mf_attr.status = NFS_OK;
+	mf->mf_fattr = gen_fattr;
+	mf->mf_fattr.fsid = 42;
+	mf->mf_fattr.fileid = 0;
+	mf->mf_fattr.atime.seconds = clocktime();
+	mf->mf_fattr.atime.useconds = 0;
+	mf->mf_fattr.mtime = mf->mf_fattr.ctime = mf->mf_fattr.atime;
+#endif
+
+	if (ops->ffserver)
+		mf->mf_server = (*ops->ffserver)(mf);
+	else
+		mf->mf_server = 0;
+}
+
+static mntfs *alloc_mntfs P((am_ops *ops, am_opts *mo, char *mp, char *info, char *auto_opts, char *mopts, char *remopts));
+static mntfs *alloc_mntfs(ops, mo, mp, info, auto_opts, mopts, remopts)
+am_ops *ops;
+am_opts *mo;
+char *mp;
+char *info;
+char *auto_opts;
+char *mopts;
+char *remopts;
+{
+	mntfs *mf = ALLOC(mntfs);
+	init_mntfs(mf, ops, mo, mp, info, auto_opts, mopts, remopts);
+	ins_que(&mf->mf_q, &mfhead);
+	mntfs_allocated++;
+
+	return mf;
+}
+
+mntfs *find_mntfs P((am_ops *ops, am_opts *mo, char *mp, char *info, char *auto_opts, char *mopts, char *remopts));
+mntfs *find_mntfs(ops, mo, mp, info, auto_opts, mopts, remopts)
+am_ops *ops;
+am_opts *mo;
+char *mp;
+char *info;
+char *auto_opts;
+char *mopts;
+char *remopts;
+{
+	mntfs *mf;
+
+#ifdef DEBUG
+	dlog("Locating mntfs reference to %s", mp);
+#endif /* DEBUG */
+	ITER(mf, mntfs, &mfhead) {
+		if (STREQ(mf->mf_mount, mp)) {
+			/*
+			 * Handle cases where error ops are involved
+			 */
+			if (ops == &efs_ops) {
+				/*
+				 * If the existing ops are not efs_ops
+				 * then continue...
+				 */
+				if (mf->mf_ops != &efs_ops)
+					continue;
+			} else /* ops != &efs_ops */ {
+				/*
+				 * If the existing ops are efs_ops
+				 * then continue...
+				 */
+				if (mf->mf_ops == &efs_ops)
+					continue;
+			}
+
+			if ((mf->mf_flags & MFF_RESTART) && amd_state == Run) {
+				/*
+				 * Restart a previously mounted filesystem.
+				 */
+				mntfs *mf2 = alloc_mntfs(&ifs_ops, mo, mp, info, auto_opts, mopts, remopts);
+#ifdef DEBUG
+				dlog("Restarting filesystem %s", mf->mf_mount);
+#endif /* DEBUG */
+				/*
+				 * Remember who we are restarting
+				 */
+				mf2->mf_private = (voidp) dup_mntfs(mf);
+				mf2->mf_prfree = free_mntfs;
+				return mf2;
+			}
+			mf->mf_fo = mo;
+			if (!(mf->mf_flags & (MFF_MOUNTED|MFF_MOUNTING|MFF_UNMOUNTING))) {
+				fserver *fs;
+				mf->mf_flags &= ~MFF_ERROR;
+				mf->mf_error = -1;
+				mf->mf_auto = strealloc(mf->mf_auto, auto_opts);
+				mf->mf_mopts = strealloc(mf->mf_mopts, mopts);
+				mf->mf_remopts = strealloc(mf->mf_remopts, remopts);
+				mf->mf_info = strealloc(mf->mf_info, info);
+				if (mf->mf_private && mf->mf_prfree) {
+					(*mf->mf_prfree)(mf->mf_private);
+					mf->mf_private = 0;
+				}
+				fs = ops->ffserver ? (*ops->ffserver)(mf) : (fserver *) 0;
+				if (mf->mf_server)
+					free_srvr(mf->mf_server);
+				mf->mf_server = fs;
+			}
+			return dup_mntfs(mf);
+		}
+	}
+
+	return alloc_mntfs(ops, mo, mp, info, auto_opts, mopts, remopts);
+}
+
+mntfs *new_mntfs()
+{
+	return alloc_mntfs(&efs_ops, (am_opts *) 0, "//nil//", ".", "", "", "");
+}
+
+static void uninit_mntfs(mf, rmd)
+mntfs *mf;
+int rmd;
+{
+	if (mf->mf_mount) free((voidp) mf->mf_mount);
+	if (mf->mf_auto) free((voidp) mf->mf_auto);
+	if (mf->mf_mopts) free((voidp) mf->mf_mopts);
+	if (mf->mf_remopts) free((voidp) mf->mf_remopts);
+	if (mf->mf_info) free((voidp) mf->mf_info);
+	if (mf->mf_private && mf->mf_prfree)
+		(*mf->mf_prfree)(mf->mf_private);
+	/*
+	 * Clean up any directories that were made
+	 */
+	if (rmd && (mf->mf_flags & MFF_MKMNT))
+		rmdirs(mf->mf_mount);
+
+	/*
+	 * Clean up the file server
+	 */
+	if (mf->mf_server)
+		free_srvr(mf->mf_server);
+
+	/*
+	 * Don't do a callback on this mount
+	 */
+	if (mf->mf_cid) {
+		untimeout(mf->mf_cid);
+		mf->mf_cid = 0;
+	}
+}
+
+static void discard_mntfs(mf)
+mntfs *mf;
+{
+	rem_que(&mf->mf_q);
+	/*
+	 * Free memory
+	 */
+	uninit_mntfs(mf, TRUE);
+	free((voidp) mf);
+
+	--mntfs_allocated;
+}
+
+void flush_mntfs()
+{
+	mntfs *mf;
+
+	mf = FIRST(mntfs, &mfhead);
+	while (mf != HEAD(mntfs, &mfhead)) {
+		mntfs *mf2 = mf;
+		mf = NEXT(mntfs, mf);
+		if (mf2->mf_refc == 0 && mf2->mf_cid)
+			discard_mntfs(mf2);
+	}
+}
+
+void free_mntfs(mf)
+mntfs *mf;
+{
+	if (--mf->mf_refc == 0) {
+		if (mf->mf_flags & MFF_MOUNTED) {
+			int quoted;
+			mf->mf_flags &= ~MFF_MOUNTED;
+
+			/*
+			 * Record for posterity
+			 */
+			quoted = strchr(mf->mf_info, ' ') != 0;	/* cheap */
+			plog(XLOG_INFO, "%s%s%s %sed fstype %s from %s",
+				quoted ? "\"" : "",
+				mf->mf_info,
+				quoted ? "\"" : "",
+				mf->mf_error ? "discard" : "unmount",
+				mf->mf_ops->fs_type, mf->mf_mount);
+		}
+
+		if (mf->mf_ops->fs_flags & FS_DISCARD) {
+#ifdef DEBUG
+			dlog("Immediately discarding mntfs for %s", mf->mf_mount);
+#endif /* DEBUG */
+			discard_mntfs(mf);
+		} else {
+#ifdef DEBUG
+			if (mf->mf_flags & MFF_RESTART) {
+				dlog("Discarding remount hook for %s", mf->mf_mount);
+			} else {
+				dlog("Discarding last mntfs reference to %s fstype %s",
+					mf->mf_mount, mf->mf_ops->fs_type);
+			}
+			if (mf->mf_flags & (MFF_MOUNTED|MFF_MOUNTING|MFF_UNMOUNTING))
+				dlog("mntfs reference for %s still active", mf->mf_mount);
+#endif /* DEBUG */
+			mf->mf_cid = timeout(ALLOWED_MOUNT_TIME, discard_mntfs, (voidp) mf);
+		}
+	}
+}
+
+mntfs *realloc_mntfs P((mntfs *mf, am_ops *ops, am_opts *mo, char *mp, char *info, char *auto_opts, char *mopts, char *remopts));
+mntfs *realloc_mntfs(mf, ops, mo, mp, info, auto_opts, mopts, remopts)
+mntfs *mf;
+am_ops *ops;
+am_opts *mo;
+char *mp;
+char *info;
+char *auto_opts;
+char *mopts;
+char *remopts;
+{
+	mntfs *mf2;
+	if (mf->mf_refc == 1 && mf->mf_ops == &ifs_ops && STREQ(mf->mf_mount, mp)) {
+		/*
+		 * If we are inheriting then just return
+		 * the same node...
+		 */
+		return mf;
+	}
+
+	/*
+	 * Re-use the existing mntfs if it is mounted.
+	 * This traps a race in nfsx.
+	 */
+	if (mf->mf_ops != &efs_ops &&
+			(mf->mf_flags & MFF_MOUNTED) &&
+			!FSRV_ISDOWN(mf->mf_server)) {
+		mf->mf_fo = mo;
+		return mf;
+	}
+
+	mf2 = find_mntfs(ops, mo, mp, info, auto_opts, mopts, remopts);
+	free_mntfs(mf);
+	return mf2;
+}
diff --git a/usr.sbin/amd/amd/mount_fs.c b/usr.sbin/amd/amd/mount_fs.c
new file mode 100644
index 0000000..43a0625
--- /dev/null
+++ b/usr.sbin/amd/amd/mount_fs.c
@@ -0,0 +1,273 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)mount_fs.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: mount_fs.c,v 5.2.2.2 1992/05/31 16:35:45 jsp Exp $
+ *
+ */
+
+#include "am.h"
+#ifdef NFS_3
+typedef nfs_fh fhandle_t;
+#endif /* NFS_3 */
+#include <sys/mount.h>
+
+#include <sys/stat.h>
+
+/*
+ * Standard mount flags
+ */
+#ifdef hpux
+/*
+ * HP-UX has an annoying feature of printing
+ * error msgs on /dev/console
+ */
+#undef M_NOSUID
+#endif /* hpux */
+
+struct opt_tab mnt_flags[] = {
+	{ "ro", M_RDONLY },
+#ifdef M_CACHE
+	{ "nocache", M_NOCACHE },
+#endif /* M_CACHE */
+#ifdef M_GRPID
+	{ "grpid", M_GRPID },
+#endif /* M_GRPID */
+#ifdef M_MULTI
+	{ "multi", M_MULTI },
+#endif /* M_MULTI */
+#ifdef M_NODEV
+	{ "nodev", M_NODEV },
+#endif /* M_NODEV */
+#ifdef M_NOEXEC
+	{ "noexec", M_NOEXEC },
+#endif /* M_NOEXEC */
+#ifdef M_NOSUB
+	{ "nosub", M_NOSUB },
+#endif /* M_NOSUB */
+#ifdef M_NOSUID
+	{ "nosuid", M_NOSUID },
+#endif /* M_NOSUID */
+#ifdef M_SYNC
+	{ "sync", M_SYNC },
+#endif /* M_SYNC */
+	{ 0, 0 }
+};
+
+int compute_mount_flags(mnt)
+struct mntent *mnt;
+{
+	struct opt_tab *opt;
+	int flags;
+#ifdef NFS_4
+	flags = M_NEWTYPE;
+#else
+	flags = 0;
+#endif /* NFS_4 */
+
+	/*
+	 * Crack basic mount options
+	 */
+	for (opt = mnt_flags; opt->opt; opt++)
+		flags |= hasmntopt(mnt, opt->opt) ? opt->flag : 0;
+
+	return flags;
+}
+
+int mount_fs P((struct mntent *mnt, int flags, caddr_t mnt_data, int retry, MTYPE_TYPE type));
+int mount_fs(mnt, flags, mnt_data, retry, type)
+struct mntent *mnt;
+int flags;
+caddr_t mnt_data;
+int retry;
+MTYPE_TYPE type;
+{
+	int error = 0;
+#ifdef MNTINFO_DEV
+	struct stat stb;
+	char *xopts = 0;
+#endif /* MNTINFO_DEV */
+
+#ifdef DEBUG
+#ifdef NFS_4
+	dlog("%s fstype %s (%s) flags %#x (%s)",
+		mnt->mnt_dir, type, mnt->mnt_type, flags, mnt->mnt_opts);
+#else
+	dlog("%s fstype %d (%s) flags %#x (%s)",
+		mnt->mnt_dir, type, mnt->mnt_type, flags, mnt->mnt_opts);
+#endif /* NFS_4 */
+#endif /* DEBUG */
+
+	/*
+	 * Fake some mount table entries for the automounter
+	 */
+#ifdef FASCIST_DF_COMMAND
+	/*
+	 * Some systems have a df command which blows up when
+	 * presented with an unknown mount type.
+	 */
+	if (STREQ(mnt->mnt_type, MNTTYPE_AUTO)) {
+		/*
+		 * Try it with the normal name
+		 */
+		mnt->mnt_type = FASCIST_DF_COMMAND;
+	}
+#endif /* FASCIST_DF_COMMAND */
+
+again:
+	clock_valid = 0;
+	error = MOUNT_TRAP(type, mnt, flags, mnt_data);
+	if (error < 0)
+		plog(XLOG_ERROR, "%s: mount: %m", mnt->mnt_dir);
+	if (error < 0 && --retry > 0) {
+		sleep(1);
+		goto again;
+	}
+	if (error < 0) {
+#ifdef notdef
+		if (automount)
+			going_down(errno);
+#endif
+		return errno;
+	}
+
+#ifdef UPDATE_MTAB
+#ifdef MNTINFO_DEV
+	/*
+	 * Add the extra dev= field to the mount table.
+	 */
+	if (lstat(mnt->mnt_dir, &stb) == 0) {
+		char *zopts = (char *) xmalloc(strlen(mnt->mnt_opts) + 32);
+		xopts = mnt->mnt_opts;
+		if (sizeof(stb.st_dev) == 2) {
+			/* e.g. SunOS 4.1 */
+			sprintf(zopts, "%s,%s=%s%04lx", xopts, MNTINFO_DEV,
+					MNTINFO_PREF, (u_long) stb.st_dev & 0xffff);
+		} else {
+			/* e.g. System Vr4 */
+			sprintf(zopts, "%s,%s=%s%08lx", xopts, MNTINFO_DEV,
+					MNTINFO_PREF, (u_long) stb.st_dev);
+		}
+		mnt->mnt_opts = zopts;
+	}
+#endif /* MNTINFO_DEV */
+
+#ifdef FIXUP_MNTENT
+	/*
+	 * Additional fields in struct mntent
+	 * are fixed up here
+	 */
+	FIXUP_MNTENT(mnt);
+#endif
+
+	write_mntent(mnt);
+#ifdef MNTINFO_DEV
+	if (xopts) {
+		free(mnt->mnt_opts);
+		mnt->mnt_opts = xopts;
+	}
+#endif /* MNTINFO_DEV */
+#endif /* UPDATE_MTAB */
+
+	return 0;
+}
+
+#ifdef NEED_MNTOPT_PARSER
+/*
+ * Some systems don't provide these to the user,
+ * but amd needs them, so...
+ *
+ * From: Piete Brooks <pb@cl.cam.ac.uk>
+ */
+
+#include <ctype.h>
+
+static char *nextmntopt(p)
+char **p;
+{
+	char *cp = *p;
+	char *rp;
+	/*
+	 * Skip past white space
+	 */
+	while (*cp && isspace(*cp))
+		cp++;
+	/*
+	 * Word starts here
+	 */
+	rp = cp;
+	/*
+	 * Scan to send of string or separator
+	 */
+	while (*cp && *cp != ',')
+		cp++;
+	/*
+	 * If separator found the overwrite with nul char.
+	 */
+	if (*cp) {
+		*cp = '\0';
+		cp++;
+	}
+	/*
+	 * Return value for next call
+	 */
+	*p = cp;
+	return rp;
+}
+
+char *hasmntopt(mnt, opt)
+struct mntent *mnt;
+char *opt;
+{
+	char t[MNTMAXSTR];
+	char *f;
+	char *o = t;
+	int l = strlen(opt);
+	strcpy(t, mnt->mnt_opts);
+
+	while (*(f = nextmntopt(&o)))
+		if (strncmp(opt, f, l) == 0)
+			return f - t + mnt->mnt_opts;
+
+	return 0;
+}
+#endif /* NEED_MNTOPT_PARSER */
+
+#ifdef MOUNT_HELPER_SOURCE
+#include MOUNT_HELPER_SOURCE
+#endif /* MOUNT_HELPER_SOURCE */
diff --git a/usr.sbin/amd/amd/mtab.c b/usr.sbin/amd/amd/mtab.c
new file mode 100644
index 0000000..43b3a26
--- /dev/null
+++ b/usr.sbin/amd/amd/mtab.c
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)mtab.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: mtab.c,v 5.2.2.1 1992/02/09 15:08:45 jsp beta $
+ *
+ */
+
+#include "am.h"
+
+/*
+ * Firewall /etc/mtab entries
+ */
+void mnt_free P((struct mntent *mp));
+void mnt_free(mp)
+struct mntent *mp;
+{
+	free(mp->mnt_fsname);
+	free(mp->mnt_dir);
+	free(mp->mnt_type);
+	free(mp->mnt_opts);
+	free((voidp) mp);
+}
+
+/*
+ * Discard memory allocated for mount list
+ */
+void discard_mntlist P((mntlist *mp));
+void discard_mntlist(mp)
+mntlist *mp;
+{
+	mntlist *mp2;
+
+	while (mp2 = mp) {
+		mp = mp->mnext;
+		if (mp2->mnt)
+			mnt_free(mp2->mnt);
+		free((voidp) mp2);
+	}
+}
+
+/*
+ * Throw away a mount list
+ */
+void free_mntlist P((mntlist *mp));
+void free_mntlist(mp)
+mntlist *mp;
+{
+	discard_mntlist(mp);
+	unlock_mntlist();
+}
+
+/*
+ * Utility routine which determines the value of a
+ * numeric option in the mount options (such as port=%d).
+ * Returns 0 if the option is not specified.
+ */
+int hasmntval P((struct mntent *mnt, char *opt));
+int hasmntval(mnt, opt)
+struct mntent *mnt;
+char *opt;
+{
+	char *str = hasmntopt(mnt, opt);
+	if (str) {
+		char *eq = strchr(str, '=');
+		if (eq)
+			return atoi(eq+1);
+		else
+			plog(XLOG_USER, "bad numeric option \"%s\" in \"%s\"", opt, str);
+	}
+
+	return 0;
+}
diff --git a/usr.sbin/amd/amd/nfs_ops.c b/usr.sbin/amd/amd/nfs_ops.c
new file mode 100644
index 0000000..bcfd7a5
--- /dev/null
+++ b/usr.sbin/amd/amd/nfs_ops.c
@@ -0,0 +1,809 @@
+/*-
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id: nfs_ops.c,v 5.2.2.2 1992/05/31 16:35:05 jsp Exp $
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)nfs_ops.c	8.1 (Berkeley) 6/6/93";
+#endif /* not lint */
+
+#include "am.h"
+#include <sys/stat.h>
+
+#ifdef HAS_NFS
+
+#define NFS
+#define NFSCLIENT
+#ifdef NFS_3
+typedef nfs_fh fhandle_t;
+#endif /* NFS_3 */
+#ifdef NFS_HDR
+#include NFS_HDR
+#endif /* NFS_HDR */
+#include <sys/mount.h>
+#include "mount.h"
+
+/*
+ * Network file system
+ */
+
+/*
+ * Convert from nfsstat to UN*X error code
+ */
+#define unx_error(e)	((int)(e))
+
+/*
+ * The NFS layer maintains a cache of file handles.
+ * This is *fundamental* to the implementation and
+ * also allows quick remounting when a filesystem
+ * is accessed soon after timing out.
+ *
+ * The NFS server layer knows to flush this cache
+ * when a server goes down so avoiding stale handles.
+ *
+ * Each cache entry keeps a hard reference to
+ * the corresponding server.  This ensures that
+ * the server keepalive information is maintained.
+ *
+ * The copy of the sockaddr_in here is taken so
+ * that the port can be twiddled to talk to mountd
+ * instead of portmap or the NFS server as used
+ * elsewhere.
+ * The port# is flushed if a server goes down.
+ * The IP address is never flushed - we assume
+ * that the address of a mounted machine never
+ * changes.  If it does, then you have other
+ * problems...
+ */
+typedef struct fh_cache fh_cache;
+struct fh_cache {
+	qelem	fh_q;			/* List header */
+	voidp	fh_wchan;		/* Wait channel */
+	int	fh_error;		/* Valid data? */
+	int	fh_id;			/* Unique id */
+	int	fh_cid;			/* Callout id */
+	struct fhstatus fh_handle;	/* Handle on filesystem */
+	struct sockaddr_in fh_sin;	/* Address of mountd */
+	fserver *fh_fs;			/* Server holding filesystem */
+	char	*fh_path;		/* Filesystem on host */
+};
+
+/*
+ * FH_TTL is the time a file handle will remain in the cache since
+ * last being used.  If the file handle becomes invalid, then it
+ * will be flushed anyway.
+ */
+#define	FH_TTL		(5 * 60)		/* five minutes */
+#define	FH_TTL_ERROR	(30)			/* 30 seconds */
+
+static int fh_id = 0;
+#define	FHID_ALLOC()	(++fh_id)
+extern qelem fh_head;
+qelem fh_head = { &fh_head, &fh_head };
+
+static int call_mountd P((fh_cache*, unsigned long, fwd_fun, voidp));
+
+AUTH *nfs_auth;
+
+static fh_cache *find_nfs_fhandle_cache P((voidp idv, int done));
+static fh_cache *find_nfs_fhandle_cache(idv, done)
+voidp idv;
+int done;
+{
+	fh_cache *fp, *fp2 = 0;
+	int id = (int) idv;
+
+	ITER(fp, fh_cache, &fh_head) {
+		if (fp->fh_id == id) {
+			fp2 = fp;
+			break;
+		}
+	}
+
+#ifdef DEBUG
+	if (fp2) {
+		dlog("fh cache gives fp %#x, fs %s", fp2, fp2->fh_path);
+	} else {
+		dlog("fh cache search failed");
+	}
+#endif /* DEBUG */
+
+	if (fp2 && !done) {
+		fp2->fh_error = ETIMEDOUT;
+		return 0;
+	}
+
+	return fp2;
+}
+
+/*
+ * Called when a filehandle appears
+ */
+static void got_nfs_fh P((voidp pkt, int len, struct sockaddr_in *sa,
+				struct sockaddr_in *ia, voidp idv, int done));
+static void got_nfs_fh(pkt, len, sa, ia, idv, done)
+voidp pkt;
+int len;
+struct sockaddr_in *sa, *ia;
+voidp idv;
+int done;
+{
+	fh_cache *fp = find_nfs_fhandle_cache(idv, done);
+	if (fp) {
+		fp->fh_error = pickup_rpc_reply(pkt, len, (voidp) &fp->fh_handle, xdr_fhstatus);
+		if (!fp->fh_error) {
+#ifdef DEBUG
+			dlog("got filehandle for %s:%s", fp->fh_fs->fs_host, fp->fh_path);
+#endif /* DEBUG */
+			/*
+			 * Wakeup anything sleeping on this filehandle
+			 */
+			if (fp->fh_wchan) {
+#ifdef DEBUG
+				dlog("Calling wakeup on %#x", fp->fh_wchan);
+#endif /* DEBUG */
+				wakeup(fp->fh_wchan);
+			}
+		}
+	}
+}
+
+void flush_nfs_fhandle_cache P((fserver *fs));
+void flush_nfs_fhandle_cache(fs)
+fserver *fs;
+{
+	fh_cache *fp;
+	ITER(fp, fh_cache, &fh_head) {
+		if (fp->fh_fs == fs || fs == 0) {
+			fp->fh_sin.sin_port = (u_short) 0;
+			fp->fh_error = -1;
+		}
+	}
+}
+
+static void discard_fh P((fh_cache *fp));
+static void discard_fh(fp)
+fh_cache *fp;
+{
+	rem_que(&fp->fh_q);
+#ifdef DEBUG
+	dlog("Discarding filehandle for %s:%s", fp->fh_fs->fs_host, fp->fh_path);
+#endif /* DEBUG */
+	free_srvr(fp->fh_fs);
+	free((voidp) fp->fh_path);
+	free((voidp) fp);
+}
+
+/*
+ * Determine the file handle for a node
+ */
+static int prime_nfs_fhandle_cache P((char *path, fserver *fs, struct fhstatus *fhbuf, voidp wchan));
+static int prime_nfs_fhandle_cache(path, fs, fhbuf, wchan)
+char *path;
+fserver *fs;
+struct fhstatus *fhbuf;
+voidp wchan;
+{
+	fh_cache *fp, *fp_save = 0;
+	int error;
+	int reuse_id = FALSE;
+
+#ifdef DEBUG
+	dlog("Searching cache for %s:%s", fs->fs_host, path);
+#endif /* DEBUG */
+
+	/*
+	 * First search the cache
+	 */
+	ITER(fp, fh_cache, &fh_head) {
+		if (fs == fp->fh_fs && strcmp(path, fp->fh_path) == 0) {
+			switch (fp->fh_error) {
+			case 0:
+				error = fp->fh_error = unx_error(fp->fh_handle.fhs_status);
+				if (error == 0) {
+					if (fhbuf)
+						bcopy((voidp) &fp->fh_handle, (voidp) fhbuf,
+							sizeof(fp->fh_handle));
+					if (fp->fh_cid)
+						untimeout(fp->fh_cid);
+					fp->fh_cid = timeout(FH_TTL, discard_fh, (voidp) fp);
+				} else if (error == EACCES) {
+					/*
+					 * Now decode the file handle return code.
+					 */
+					plog(XLOG_INFO, "Filehandle denied for \"%s:%s\"",
+						fs->fs_host, path);
+				} else {
+					errno = error;	/* XXX */
+					plog(XLOG_INFO, "Filehandle error for \"%s:%s\": %m",
+						fs->fs_host, path);
+				}
+
+				/*
+				 * The error was returned from the remote mount daemon.
+				 * Policy: this error will be cached for now...
+				 */
+				return error;
+
+			case -1:
+				/*
+				 * Still thinking about it, but we can re-use.
+				 */
+				fp_save = fp;
+				reuse_id = TRUE;
+				break;
+
+			default:
+				/*
+				 * Return the error.
+				 * Policy: make sure we recompute if required again
+				 * in case this was caused by a network failure.
+				 * This can thrash mountd's though...  If you find
+				 * your mountd going slowly then:
+				 * 1.  Add a fork() loop to main.
+				 * 2.  Remove the call to innetgr() and don't use
+				 *     netgroups, especially if you don't use YP.
+				 */
+				error = fp->fh_error;
+				fp->fh_error = -1;
+				return error;
+			}
+			break;
+		}
+	}
+
+	/*
+	 * Not in cache
+	 */
+	if (fp_save) {
+		fp = fp_save;
+		/*
+		 * Re-use existing slot
+		 */
+		untimeout(fp->fh_cid);
+		free_srvr(fp->fh_fs);
+		free(fp->fh_path);
+	} else {
+		fp = ALLOC(fh_cache);
+		bzero((voidp) fp, sizeof(*fp));
+		ins_que(&fp->fh_q, &fh_head);
+	}
+	if (!reuse_id)
+		fp->fh_id = FHID_ALLOC();
+	fp->fh_wchan = wchan;
+	fp->fh_error = -1;
+	fp->fh_cid = timeout(FH_TTL, discard_fh, (voidp) fp);
+
+	/*
+	 * If the address has changed then don't try to re-use the
+	 * port information
+	 */
+	if (fp->fh_sin.sin_addr.s_addr != fs->fs_ip->sin_addr.s_addr) {
+		fp->fh_sin = *fs->fs_ip;
+		fp->fh_sin.sin_port = 0;
+	}
+	fp->fh_fs = dup_srvr(fs);
+	fp->fh_path = strdup(path);
+
+	error = call_mountd(fp, MOUNTPROC_MNT, got_nfs_fh, wchan);
+	if (error) {
+		/*
+		 * Local error - cache for a short period
+		 * just to prevent thrashing.
+		 */
+		untimeout(fp->fh_cid);
+		fp->fh_cid = timeout(error < 0 ? 2 * ALLOWED_MOUNT_TIME : FH_TTL_ERROR,
+						discard_fh, (voidp) fp);
+		fp->fh_error = error;
+	} else {
+		error = fp->fh_error;
+	}
+	return error;
+}
+
+int make_nfs_auth P((void))
+{
+#ifdef HAS_NFS_QUALIFIED_NAMES
+	/*
+	 * From: Chris Metcalf <metcalf@masala.lcs.mit.edu>
+	 * Use hostd, not just hostname.  Note that uids
+	 * and gids and the gidlist are type *int* and not the
+	 * system uid_t and gid_t types.
+	 */
+	static int group_wheel = 0;
+	nfs_auth = authunix_create(hostd, 0, 0, 1, &group_wheel);
+#else
+	nfs_auth = authunix_create_default();
+#endif
+	if (!nfs_auth)
+		return ENOBUFS;
+	return 0;
+}
+
+static int call_mountd P((fh_cache *fp, u_long proc, fwd_fun f, voidp wchan));
+static int call_mountd(fp, proc, f, wchan)
+fh_cache *fp;
+u_long proc;
+fwd_fun f;
+voidp wchan;
+{
+	struct rpc_msg mnt_msg;
+	int len;
+	char iobuf[8192];
+	int error;
+
+	if (!nfs_auth) {
+		error = make_nfs_auth();
+		if (error)
+			return error;
+	}
+
+	if (fp->fh_sin.sin_port == 0) {
+		u_short port;
+		error = nfs_srvr_port(fp->fh_fs, &port, wchan);
+		if (error)
+			return error;
+		fp->fh_sin.sin_port = port;
+	}
+
+	rpc_msg_init(&mnt_msg, MOUNTPROG, MOUNTVERS, (unsigned long) 0);
+	len = make_rpc_packet(iobuf, sizeof(iobuf), proc,
+			&mnt_msg, (voidp) &fp->fh_path, xdr_nfspath,  nfs_auth);
+
+	if (len > 0) {
+		error = fwd_packet(MK_RPC_XID(RPC_XID_MOUNTD, fp->fh_id),
+			(voidp) iobuf, len, &fp->fh_sin, &fp->fh_sin, (voidp) fp->fh_id, f);
+	} else {
+		error = -len;
+	}
+/*
+ * It may be the case that we're sending to the wrong MOUNTD port.  This
+ * occurs if mountd is restarted on the server after the port has been
+ * looked up and stored in the filehandle cache somewhere.  The correct
+ * solution, if we're going to cache port numbers is to catch the ICMP
+ * port unreachable reply from the server and cause the portmap request
+ * to be redone.  The quick solution here is to invalidate the MOUNTD
+ * port.
+ */
+      fp->fh_sin.sin_port = 0;
+
+	return error;
+}
+
+/*-------------------------------------------------------------------------*/
+
+/*
+ * NFS needs the local filesystem, remote filesystem
+ * remote hostname.
+ * Local filesystem defaults to remote and vice-versa.
+ */
+static char *nfs_match(fo)
+am_opts *fo;
+{
+	char *xmtab;
+	if (fo->opt_fs && !fo->opt_rfs)
+		fo->opt_rfs = fo->opt_fs;
+	if (!fo->opt_rfs) {
+		plog(XLOG_USER, "nfs: no remote filesystem specified");
+		return FALSE;
+	}
+	if (!fo->opt_rhost) {
+		plog(XLOG_USER, "nfs: no remote host specified");
+		return FALSE;
+	}
+	/*
+	 * Determine magic cookie to put in mtab
+	 */
+	xmtab = (char *) xmalloc(strlen(fo->opt_rhost) + strlen(fo->opt_rfs) + 2);
+	sprintf(xmtab, "%s:%s", fo->opt_rhost, fo->opt_rfs);
+#ifdef DEBUG
+	dlog("NFS: mounting remote server \"%s\", remote fs \"%s\" on \"%s\"",
+		fo->opt_rhost, fo->opt_rfs, fo->opt_fs);
+#endif /* DEBUG */
+
+	return xmtab;
+}
+
+/*
+ * Initialise am structure for nfs
+ */
+static int nfs_init(mf)
+mntfs *mf;
+{
+	if (!mf->mf_private) {
+		int error;
+		struct fhstatus fhs;
+	
+		char *colon = strchr(mf->mf_info, ':');
+		if (colon == 0)
+			return ENOENT;
+
+		error = prime_nfs_fhandle_cache(colon+1, mf->mf_server, &fhs, (voidp) mf);
+		if (!error) {
+			mf->mf_private = (voidp) ALLOC(fhstatus);
+			mf->mf_prfree = (void (*)()) free;
+			bcopy((voidp) &fhs, mf->mf_private, sizeof(fhs));
+		}
+		return error;
+	}
+
+	return 0;
+}
+
+int mount_nfs_fh P((struct fhstatus *fhp, char *dir, char *fs_name, char *opts, mntfs *mf));
+int mount_nfs_fh(fhp, dir, fs_name, opts, mf)
+struct fhstatus *fhp;
+char *dir;
+char *fs_name;
+char *opts;
+mntfs *mf;
+{
+	struct nfs_args nfs_args;
+	struct mntent mnt;
+	int retry;
+	char *colon;
+	/*char *path;*/
+	char host[MAXHOSTNAMELEN + MAXPATHLEN + 2];
+	fserver *fs = mf->mf_server;
+	int flags;
+	char *xopts;
+	int error;
+#ifdef notdef
+	unsigned short port;
+#endif /* notdef */
+
+	MTYPE_TYPE type = MOUNT_TYPE_NFS;
+
+	bzero((voidp) &nfs_args, sizeof(nfs_args));	/* Paranoid */
+
+	/*
+	 * Extract host name to give to kernel
+	 */
+	if (!(colon = strchr(fs_name, ':')))
+		return ENOENT;
+#ifndef NFS_ARGS_NEEDS_PATH
+	*colon = '\0';
+#endif
+	strncpy(host, fs_name, sizeof(host));
+#ifndef NFS_ARGS_NEEDS_PATH
+	*colon = ':';
+#endif /* NFS_ARGS_NEEDS_PATH */
+	/*path = colon + 1;*/
+
+	if (mf->mf_remopts && *mf->mf_remopts && !islocalnet(fs->fs_ip->sin_addr.s_addr))
+		xopts = strdup(mf->mf_remopts);
+	else
+		xopts = strdup(opts);
+
+	bzero((voidp) &nfs_args, sizeof(nfs_args));
+
+	mnt.mnt_dir = dir;
+	mnt.mnt_fsname = fs_name;
+	mnt.mnt_type = MTAB_TYPE_NFS;
+	mnt.mnt_opts = xopts;
+	mnt.mnt_freq = 0;
+	mnt.mnt_passno = 0;
+
+	retry = hasmntval(&mnt, "retry");
+	if (retry <= 0)
+		retry = 1;	/* XXX */
+
+/*again:*/
+
+	/*
+	 * set mount args
+	 */
+	NFS_FH_DREF(nfs_args.fh, (NFS_FH_TYPE) fhp->fhstatus_u.fhs_fhandle);
+
+#ifdef ULTRIX_HACK
+	nfs_args.optstr = mnt.mnt_opts;
+#endif /* ULTRIX_HACK */
+
+	nfs_args.hostname = host;
+	nfs_args.flags |= NFSMNT_HOSTNAME;
+#ifdef HOSTNAMESZ
+	/*
+	 * Most kernels have a name length restriction.
+	 */
+	if (strlen(host) >= HOSTNAMESZ)
+		strcpy(host + HOSTNAMESZ - 3, "..");
+#endif /* HOSTNAMESZ */
+
+	if (nfs_args.rsize = hasmntval(&mnt, "rsize"))
+		nfs_args.flags |= NFSMNT_RSIZE;
+
+	if (nfs_args.wsize = hasmntval(&mnt, "wsize"))
+		nfs_args.flags |= NFSMNT_WSIZE;
+
+	if (nfs_args.timeo = hasmntval(&mnt, "timeo"))
+		nfs_args.flags |= NFSMNT_TIMEO;
+
+	if (nfs_args.retrans = hasmntval(&mnt, "retrans"))
+		nfs_args.flags |= NFSMNT_RETRANS;
+
+#ifdef NFSMNT_BIODS
+	if (nfs_args.biods = hasmntval(&mnt, "biods"))
+		nfs_args.flags |= NFSMNT_BIODS;
+
+#endif /* NFSMNT_BIODS */
+
+#ifdef NFSMNT_MAXGRPS
+	if (nfs_args.maxgrouplist = hasmntval(&mnt, "maxgroups"))
+		nfs_args.flags |= NFSMNT_MAXGRPS;
+#endif /* NFSMNT_MAXGRPS */
+
+#ifdef notdef
+/*
+ * This isn't supported by the ping algorithm yet.
+ * In any case, it is all done in nfs_init().
+ */
+ 	if (port = hasmntval(&mnt, "port"))
+		sin.sin_port = htons(port);
+	else
+		sin.sin_port = htons(NFS_PORT);	/* XXX should use portmapper */
+#endif /* notdef */
+
+	if (hasmntopt(&mnt, MNTOPT_SOFT) != NULL)
+		nfs_args.flags |= NFSMNT_SOFT;
+
+#ifdef NFSMNT_SPONGY
+	if (hasmntopt(&mnt, "spongy") != NULL) {
+		nfs_args.flags |= NFSMNT_SPONGY;
+		if (nfs_args.flags & NFSMNT_SOFT) {
+			plog(XLOG_USER, "Mount opts soft and spongy are incompatible - soft ignored");
+			nfs_args.flags &= ~NFSMNT_SOFT;
+		}
+	}
+#endif /* MNTOPT_SPONGY */
+
+#ifdef MNTOPT_INTR
+	if (hasmntopt(&mnt, MNTOPT_INTR) != NULL)
+		nfs_args.flags |= NFSMNT_INT;
+#endif /* MNTOPT_INTR */
+
+#ifdef MNTOPT_NODEVS
+	if (hasmntopt(&mnt, MNTOPT_NODEVS) != NULL)
+		nfs_args.flags |= NFSMNT_NODEVS;
+#endif /* MNTOPT_NODEVS */
+
+#ifdef MNTOPT_COMPRESS
+	if (hasmntopt(&mnt, "compress") != NULL)
+		nfs_args.flags |= NFSMNT_COMPRESS;
+#endif /* MNTOPT_COMPRESS */
+
+#ifdef MNTOPT_NOCONN
+	if (hasmntopt(&mnt, "noconn") != NULL)
+		nfs_args.flags |= NFSMNT_NOCONN;
+#endif /* MNTOPT_NOCONN */
+
+#ifdef NFSMNT_PGTHRESH
+	if (nfs_args.pg_thresh = hasmntval(&mnt, "pgthresh"))
+		nfs_args.flags |= NFSMNT_PGTHRESH;
+#endif /* NFSMNT_PGTHRESH */
+
+	NFS_SA_DREF(nfs_args, fs->fs_ip);
+
+	flags = compute_mount_flags(&mnt);
+
+#ifdef NFSMNT_NOCTO
+	if (hasmntopt(&mnt, "nocto") != NULL)
+		nfs_args.flags |= NFSMNT_NOCTO;
+#endif /* NFSMNT_NOCTO */
+
+#ifdef HAS_TCP_NFS
+	if (hasmntopt(&mnt, "tcp") != NULL)
+		nfs_args.sotype = SOCK_STREAM;
+#endif /* HAS_TCP_NFS */
+
+
+#ifdef ULTRIX_HACK
+	/*
+	 * Ultrix passes the flags argument as part of the
+	 * mount data structure, rather than using the
+	 * flags argument to the system call.  This is
+	 * confusing...
+	 */
+	if (!(nfs_args.flags & NFSMNT_PGTHRESH)) {
+		nfs_args.pg_thresh = 64; /* 64k - XXX */
+		nfs_args.flags |= NFSMNT_PGTHRESH;
+	}
+	nfs_args.gfs_flags = flags;
+	flags &= M_RDONLY;
+	if (flags & M_RDONLY)
+		nfs_args.flags |= NFSMNT_RONLY;
+#endif /* ULTRIX_HACK */
+
+	error = mount_fs(&mnt, flags, (caddr_t) &nfs_args, retry, type);
+	free(xopts);
+	return error;
+}
+
+static int mount_nfs(dir, fs_name, opts, mf)
+char *dir;
+char *fs_name;
+char *opts;
+mntfs *mf;
+{
+#ifdef notdef
+	int error;
+	struct fhstatus fhs;
+	char *colon;
+
+	if (!(colon = strchr(fs_name, ':')))
+		return ENOENT;
+
+#ifdef DEBUG
+	dlog("locating fhandle for %s", fs_name);
+#endif /* DEBUG */
+	error = prime_nfs_fhandle_cache(colon+1, mf->mf_server, &fhs, (voidp) 0);
+
+	if (error)
+		return error;
+
+	return mount_nfs_fh(&fhs, dir, fs_name, opts, mf);
+#endif
+	if (!mf->mf_private) {
+		plog(XLOG_ERROR, "Missing filehandle for %s", fs_name);
+		return EINVAL;
+	}
+
+	return mount_nfs_fh((struct fhstatus *) mf->mf_private, dir, fs_name, opts, mf);
+}
+
+static int nfs_fmount(mf)
+mntfs *mf;
+{
+	int error;
+
+	error = mount_nfs(mf->mf_mount, mf->mf_info, mf->mf_mopts, mf);
+
+#ifdef DEBUG
+	if (error) {
+		errno = error;
+		dlog("mount_nfs: %m");
+	}
+#endif /* DEBUG */
+	return error;
+}
+
+static int nfs_fumount(mf)
+mntfs *mf;
+{
+	int error = UMOUNT_FS(mf->mf_mount);
+	if (error)
+		return error;
+
+	return 0;
+}
+
+static void nfs_umounted(mp)
+am_node *mp;
+{
+#ifdef INFORM_MOUNTD
+	/*
+	 * Don't bother to inform remote mountd
+	 * that we are finished.  Until a full
+	 * track of filehandles is maintained
+	 * the mountd unmount callback cannot
+	 * be done correctly anyway...
+	 */
+
+	mntfs *mf = mp->am_mnt;
+	fserver *fs;
+	char *colon, *path;
+
+	if (mf->mf_error || mf->mf_refc > 1)
+		return;
+
+	fs = mf->mf_server;
+
+	/*
+	 * Call the mount daemon on the server to
+	 * announce that we are not using the fs any more.
+	 *
+	 * This is *wrong*.  The mountd should be called
+	 * when the fhandle is flushed from the cache, and
+	 * a reference held to the cached entry while the
+	 * fs is mounted...
+	 */
+	colon = path = strchr(mf->mf_info, ':');
+	if (fs && colon) {
+		fh_cache f;
+#ifdef DEBUG
+		dlog("calling mountd for %s", mf->mf_info);
+#endif /* DEBUG */
+		*path++ = '\0';
+		f.fh_path = path;
+		f.fh_sin = *fs->fs_ip;
+		f.fh_sin.sin_port = (u_short) 0;
+		f.fh_fs = fs;
+		f.fh_id = 0;
+		f.fh_error = 0;
+		(void) prime_nfs_fhandle_cache(colon+1, mf->mf_server, (struct fhstatus *) 0, (voidp) mf);
+		(void) call_mountd(&f, MOUNTPROC_UMNT, (fwd_fun) 0, (voidp) 0);
+		*colon = ':';
+	}
+#endif /* INFORM_MOUNTD */
+
+#ifdef KICK_KERNEL
+	/* This should go into the mainline code, not in nfs_ops... */
+
+	/*
+	 * Run lstat over the underlying directory in
+	 * case this was a direct mount.  This will
+	 * get the kernel back in sync with reality.
+	 */
+	if (mp->am_parent && mp->am_parent->am_path &&
+	    STREQ(mp->am_parent->am_mnt->mf_ops->fs_type, "direct")) {
+		struct stat stb;
+		int pid;
+		if ((pid = background()) == 0) {
+			if (lstat(mp->am_parent->am_path, &stb) < 0) {
+				plog(XLOG_ERROR, "lstat(%s) after unmount: %m", mp->am_parent->am_path);
+#ifdef DEBUG
+			} else {
+				dlog("hack lstat(%s): ok", mp->am_parent->am_path);
+#endif /* DEBUG */
+			}
+			_exit(0);
+		}
+	}
+#endif /* KICK_KERNEL */
+}
+
+/*
+ * Network file system
+ */
+am_ops nfs_ops = {
+	"nfs",
+	nfs_match,
+	nfs_init,
+	auto_fmount,
+	nfs_fmount,
+	auto_fumount,
+	nfs_fumount,
+	efs_lookuppn,
+	efs_readdir,
+	0, /* nfs_readlink */
+	0, /* nfs_mounted */
+	nfs_umounted,
+	find_nfs_srvr,
+	FS_MKMNT|FS_BACKGROUND|FS_AMQINFO
+};
+
+#endif /* HAS_NFS */
diff --git a/usr.sbin/amd/amd/nfs_start.c b/usr.sbin/amd/amd/nfs_start.c
new file mode 100644
index 0000000..13d36a1
--- /dev/null
+++ b/usr.sbin/amd/amd/nfs_start.c
@@ -0,0 +1,435 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)nfs_start.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: nfs_start.c,v 5.2.2.1 1992/02/09 15:08:51 jsp beta $
+ *
+ */
+
+#include "am.h"
+#include "amq.h"
+#include <sys/signal.h>
+#include <setjmp.h>
+extern jmp_buf select_intr;
+extern int select_intr_valid;
+
+#ifdef HAS_TFS
+/*
+ * Use replacement for RPC/UDP transport
+ * so that we do NFS gatewaying.
+ */
+#define	svcudp_create svcudp2_create
+extern SVCXPRT *svcudp2_create P((int));
+#endif /* HAS_TFS */
+
+extern void nfs_program_2();
+extern void amq_program_1();
+
+unsigned short nfs_port;
+SVCXPRT *nfsxprt;
+
+extern int fwd_sock;
+int max_fds = -1;
+
+#define	MASKED_SIGS	(sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGCHLD)|sigmask(SIGHUP))
+
+#ifdef DEBUG
+/*
+ * Check that we are not burning resources
+ */
+static void checkup(P_void)
+{
+
+static int max_fd = 0;
+static char *max_mem = 0;
+
+	int next_fd = dup(0);
+	extern caddr_t sbrk P((int));
+	caddr_t next_mem = sbrk(0);
+	close(next_fd);
+
+	/*if (max_fd < 0) {
+		max_fd = next_fd;
+	} else*/ if (max_fd < next_fd) {
+		dlog("%d new fds allocated; total is %d",
+			next_fd - max_fd, next_fd);
+		max_fd = next_fd;
+	}
+
+	/*if (max_mem == 0) {
+		max_mem = next_mem;
+	} else*/ if (max_mem < next_mem) {
+		dlog("%#x bytes of memory allocated; total is %#x (%d pages)",
+			next_mem - max_mem,
+			next_mem,
+			((int)next_mem+getpagesize()-1)/getpagesize());
+		max_mem = next_mem;
+	}
+}
+#endif /* DEBUG */
+
+static int do_select(smask, fds, fdp, tvp)
+int smask;
+int fds;
+int *fdp;
+struct timeval *tvp;
+{
+	int sig;
+	int nsel;
+	if (sig = setjmp(select_intr)) {
+		select_intr_valid = 0;
+		/* Got a signal */
+		switch (sig) {
+		case SIGINT:
+		case SIGTERM:
+			amd_state = Finishing;
+			reschedule_timeout_mp();
+			break;
+		}
+		nsel = -1;
+		errno = EINTR;
+	} else {
+		select_intr_valid = 1;
+		/*
+		 * Invalidate the current clock value
+		 */
+		clock_valid = 0;
+		/*
+		 * Allow interrupts.  If a signal
+		 * occurs, then it will cause a longjmp
+		 * up above.
+		 */
+		(void) sigsetmask(smask);
+		/*
+		 * Wait for input
+		 */
+		nsel = select(fds, fdp, (int *) 0, (int *) 0,
+				tvp->tv_sec ? tvp : (struct timeval *) 0);
+
+	}
+
+	(void) sigblock(MASKED_SIGS);
+
+	/*
+	 * Perhaps reload the cache?
+	 */
+	if (do_mapc_reload < clocktime()) {
+		mapc_reload();
+		do_mapc_reload = clocktime() + ONE_HOUR;
+	}
+	return nsel;
+}
+
+/*
+ * Determine whether anything is left in
+ * the RPC input queue.
+ */
+static int rpc_pending_now()
+{
+	struct timeval tvv;
+	int nsel;
+#ifdef FD_SET
+	fd_set readfds;
+
+	FD_ZERO(&readfds);
+	FD_SET(fwd_sock, &readfds);
+#else
+	int readfds = (1 << fwd_sock);
+#endif /* FD_SET */
+
+	tvv.tv_sec = tvv.tv_usec = 0;
+	nsel = select(max_fds+1, &readfds, (int *) 0, (int *) 0, &tvv);
+	if (nsel < 1)
+		return(0);
+#ifdef FD_SET
+	if (FD_ISSET(fwd_sock, &readfds))
+		return(1);
+#else
+	if (readfds & (1 << fwd_sock))
+		return(1);
+#endif
+	return(0);
+}
+
+static serv_state run_rpc(P_void)
+{
+	int dtbsz = max_fds + 1;
+	int smask = sigblock(MASKED_SIGS);
+
+	next_softclock = clocktime();
+
+	amd_state = Run;
+
+	/*
+	 * Keep on trucking while we are in Run mode.  This state
+	 * is switched to Quit after all the file systems have
+	 * been unmounted.
+	 */
+	while ((int)amd_state <= (int)Finishing) {
+		struct timeval tvv;
+		int nsel;
+		time_t now;
+#ifdef RPC_4
+		fd_set readfds;
+		readfds = svc_fdset;
+		FD_SET(fwd_sock, &readfds);
+#else
+#ifdef FD_SET
+		fd_set readfds;
+		FD_ZERO(&readfds);
+		readfds.fds_bits[0] = svc_fds;
+		FD_SET(fwd_sock, &readfds);
+#else
+		int readfds = svc_fds | (1 << fwd_sock);
+#endif /* FD_SET */
+#endif /* RPC_4 */
+
+#ifdef DEBUG
+		checkup();
+#endif /* DEBUG */
+
+		/*
+		 * If the full timeout code is not called,
+		 * then recompute the time delta manually.
+		 */
+		now = clocktime();
+
+		if (next_softclock <= now) {
+			if (amd_state == Finishing)
+				umount_exported();
+			tvv.tv_sec = softclock();
+		} else {
+			tvv.tv_sec = next_softclock - now;
+		}
+		tvv.tv_usec = 0;
+
+		if (amd_state == Finishing && last_used_map < 0) {
+			flush_mntfs();
+			amd_state = Quit;
+			break;
+		}
+
+#ifdef DEBUG
+		if (tvv.tv_sec)
+			dlog("Select waits for %ds", tvv.tv_sec);
+		else
+			dlog("Select waits for Godot");
+#endif /* DEBUG */
+
+		nsel = do_select(smask, dtbsz, &readfds, &tvv);
+
+
+		switch (nsel) {
+		case -1:
+			if (errno == EINTR) {
+#ifdef DEBUG
+				dlog("select interrupted");
+#endif /* DEBUG */
+				continue;
+			}
+			perror("select");
+			break;
+
+		case 0:
+#ifdef DEBUG
+			/*dlog("select returned 0");*/
+#endif /* DEBUG */
+			break;
+
+		default:
+			/* Read all pending NFS responses at once to avoid
+			   having responses queue up as a consequence of
+			   retransmissions. */
+#ifdef FD_SET
+			if (FD_ISSET(fwd_sock, &readfds)) {
+				FD_CLR(fwd_sock, &readfds);
+#else
+			if (readfds & (1 << fwd_sock)) {
+				readfds &= ~(1 << fwd_sock);
+#endif
+				--nsel;	
+				do {
+					fwd_reply();
+				} while (rpc_pending_now() > 0);
+			}
+
+			if (nsel) {
+				/*
+				 * Anything left must be a normal
+				 * RPC request.
+				 */
+#ifdef RPC_4
+				svc_getreqset(&readfds);
+#else
+#ifdef FD_SET
+				svc_getreq(readfds.fds_bits[0]);
+#else
+				svc_getreq(readfds);
+#endif /* FD_SET */
+#endif /* RPC_4 */
+			}
+			break;
+		}
+	}
+
+	(void) sigsetmask(smask);
+
+	if (amd_state == Quit)
+		amd_state = Done;
+
+	return amd_state;
+}
+
+static int bindnfs_port(so)
+int so;
+{
+	unsigned short port;
+	int error = bind_resv_port(so, &port);
+	if (error == 0)
+		nfs_port = port;
+	return error;
+}
+
+void unregister_amq(P_void)
+{
+#ifdef DEBUG
+	Debug(D_AMQ)
+#endif /* DEBUG */
+	(void) pmap_unset(AMQ_PROGRAM, AMQ_VERSION);
+}
+
+int mount_automounter(ppid)
+int ppid;
+{
+	int so = socket(AF_INET, SOCK_DGRAM, 0);
+	SVCXPRT *amqp;
+	int nmount;
+
+	if (so < 0 || bindnfs_port(so) < 0) {
+		perror("Can't create privileged nfs port");
+		return 1;
+	}
+
+	if ((nfsxprt = svcudp_create(so)) == NULL || 
+			(amqp = svcudp_create(so)) == NULL) {
+		plog(XLOG_FATAL, "cannot create rpc/udp service");
+		return 2;
+	}
+
+	if (!svc_register(nfsxprt, NFS_PROGRAM, NFS_VERSION, nfs_program_2, 0)) {
+		plog(XLOG_FATAL, "unable to register (NFS_PROGRAM, NFS_VERSION, 0)");
+		return 3;
+	}
+
+	/*
+	 * Start RPC forwarding
+	 */
+	if (fwd_init() != 0)
+		return 3;
+
+	/*
+	 * One or other of so, fwd_sock
+	 * must be the highest fd on
+	 * which to select.
+	 */
+	if (so > max_fds)
+		max_fds = so;
+	if (fwd_sock > max_fds)
+		max_fds = fwd_sock;
+
+	/*
+	 * Construct the root automount node
+	 */
+	make_root_node();
+
+	/*
+	 * Pick up the pieces from a previous run
+	 * This is likely to (indirectly) need the rpc_fwd package
+	 * so it *must* come after the call to fwd_init().
+	 */
+	if (restart_existing_mounts)
+		restart();
+
+	/*
+	 * Mount the top-level auto-mountpoints
+	 */
+	nmount = mount_exported();
+
+	/*
+	 * Now safe to tell parent that we are up and running
+	 */
+	if (ppid)
+		kill(ppid, SIGQUIT);
+
+	if (nmount == 0) {
+		plog(XLOG_FATAL, "No work to do - quitting");
+		amd_state = Done;
+		return 0;
+	}
+
+#ifdef DEBUG
+	Debug(D_AMQ) {
+#endif /* DEBUG */
+	/*
+	 * Register with amq
+	 */
+	unregister_amq();
+
+	if (!svc_register(amqp, AMQ_PROGRAM, AMQ_VERSION, amq_program_1, IPPROTO_UDP)) {
+		plog(XLOG_FATAL, "unable to register (AMQ_PROGRAM, AMQ_VERSION, udp)");
+		return 3;
+	}
+#ifdef DEBUG
+	}
+#endif /* DEBUG */
+
+	/*
+	 * Start timeout_mp rolling
+	 */
+	reschedule_timeout_mp();
+
+	/*
+	 * Start the server
+	 */
+	if (run_rpc() != Done) {
+		plog(XLOG_FATAL, "run_rpc failed");
+		amd_state = Done;
+	}
+
+	return 0;
+}
diff --git a/usr.sbin/amd/amd/nfs_subr.c b/usr.sbin/amd/amd/nfs_subr.c
new file mode 100644
index 0000000..297cf93
--- /dev/null
+++ b/usr.sbin/amd/amd/nfs_subr.c
@@ -0,0 +1,552 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)nfs_subr.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: nfs_subr.c,v 5.2.2.1 1992/02/09 15:08:53 jsp beta $
+ *
+ */
+
+#include "am.h"
+
+/*
+ * Convert from UN*X to NFS error code
+ */
+#ifdef NFS_ERROR_MAPPING
+NFS_ERROR_MAPPING
+#define nfs_error(e) \
+        ((nfsstat)((e) > NFS_LOMAP && (e) < NFS_HIMAP ? \
+        nfs_errormap[(e) - NFS_LOMAP] : (e)))
+#else
+#define nfs_error(e) ((nfsstat)(e))
+#endif /* NFS_ERROR_MAPPING */
+
+static char *do_readlink P((am_node *mp, int *error_return, struct attrstat **attrpp));
+static char *do_readlink(mp, error_return, attrpp)
+am_node *mp;
+int *error_return;
+struct attrstat **attrpp;
+{
+	char *ln;
+
+	/*
+	 * If there is a readlink method, then use
+	 * that, otherwise if a link exists use
+	 * that, otherwise use the mount point.
+	 */
+	if (mp->am_mnt->mf_ops->readlink) {
+		int retry = 0;
+		mp = (*mp->am_mnt->mf_ops->readlink)(mp, &retry);
+		if (mp == 0) {
+			*error_return = retry;
+			return 0;
+		}
+		/*reschedule_timeout_mp();*/
+	}
+	if (mp->am_link) {
+		ln = mp->am_link;
+	} else {
+		ln = mp->am_mnt->mf_mount;
+	}
+	if (attrpp)
+		*attrpp = &mp->am_attr;
+	return ln;
+}
+
+/*ARGSUSED*/
+voidp 
+nfsproc_null_2(argp, rqstp)
+voidp argp;
+struct svc_req *rqstp;
+{
+	static char res;
+
+	return (voidp) &res;
+}
+
+
+/*ARGSUSED*/
+struct attrstat *
+nfsproc_getattr_2(argp, rqstp)
+struct nfs_fh *argp;
+struct svc_req *rqstp;
+{
+	static struct attrstat res;
+	am_node *mp;
+	int retry;
+
+#ifdef DEBUG
+	Debug(D_TRACE)
+		plog(XLOG_DEBUG, "gettattr:");
+#endif /* DEBUG */
+
+	mp = fh_to_mp2(argp, &retry);
+	if (mp == 0) {
+#ifdef PRECISE_SYMLINKS
+getattr_retry:
+#endif /* PRECISE_SYMLINKS */
+
+		if (retry < 0)
+			return 0;
+		res.status = nfs_error(retry);
+	} else {
+		struct attrstat *attrp = &mp->am_attr;
+#ifdef PRECISE_SYMLINKS
+		if (mp->am_fattr.type == NFLNK) {
+			/*
+			 * Make sure we can read the link,
+			 * and then determine the length.
+			 */
+			char *ln = do_readlink(mp, &retry, &attrp);
+			if (ln == 0)
+				goto getattr_retry;
+		}
+#endif /* PRECISE_SYMLINKS */
+#ifdef DEBUG
+		Debug(D_TRACE)
+			plog(XLOG_DEBUG, "\tstat(%s), size = %d", mp->am_path, attrp->attrstat_u.attributes.size);
+#endif /* DEBUG */
+		mp->am_stats.s_getattr++;
+		return attrp;
+	}
+
+	return &res;
+}
+
+
+/*ARGSUSED*/
+struct attrstat *
+nfsproc_setattr_2(argp, rqstp)
+struct sattrargs *argp;
+struct svc_req *rqstp;
+{
+	static struct attrstat res;
+
+	if (!fh_to_mp(&argp->file))
+		res.status = nfs_error(ESTALE);
+	else
+		res.status = nfs_error(EROFS);
+
+	return &res;
+}
+
+
+/*ARGSUSED*/
+voidp 
+nfsproc_root_2(argp, rqstp)
+voidp argp;
+struct svc_req *rqstp;
+{
+	static char res;
+
+	return (voidp)&res;
+}
+
+
+/*ARGSUSED*/
+struct diropres *
+nfsproc_lookup_2(argp, rqstp)
+struct diropargs *argp;
+struct svc_req *rqstp;
+{
+	static struct diropres res;
+	am_node *mp;
+	int retry;
+
+#ifdef DEBUG
+	Debug(D_TRACE)
+		plog(XLOG_DEBUG, "lookup:");
+#endif /* DEBUG */
+
+	mp = fh_to_mp2(&argp->dir, &retry);
+	if (mp == 0) {
+		if (retry < 0)
+			return 0;
+		res.status = nfs_error(retry);
+	} else {
+		int error;
+		am_node *ap;
+#ifdef DEBUG
+		Debug(D_TRACE)
+			plog(XLOG_DEBUG, "\tlookuppn(%s, %s)", mp->am_path, argp->name);
+#endif /* DEBUG */
+		ap = (*mp->am_mnt->mf_ops->lookuppn)(mp, argp->name, &error, VLOOK_CREATE);
+		if (ap == 0) {
+			if (error < 0) {
+#ifdef DEBUG
+				dlog("Not sending RPC reply");
+#endif /* DEBUG */
+				amd_stats.d_drops++;
+				return 0;
+			}
+			res.status = nfs_error(error);
+		} else {
+			mp_to_fh(ap, &res.diropres_u.diropres.file);
+			res.diropres_u.diropres.attributes = ap->am_fattr;
+			res.status = NFS_OK;
+		}
+		mp->am_stats.s_lookup++;
+		/*reschedule_timeout_mp();*/
+	}
+
+	return &res;
+}
+
+
+/*ARGSUSED*/
+struct readlinkres *
+nfsproc_readlink_2(argp, rqstp)
+struct nfs_fh *argp;
+struct svc_req *rqstp;
+{
+	static struct readlinkres res;
+	am_node *mp;
+	int retry;
+
+#ifdef DEBUG
+	Debug(D_TRACE)
+		plog(XLOG_DEBUG, "readlink:");
+#endif /* DEBUG */
+
+	mp = fh_to_mp2(argp, &retry);
+	if (mp == 0) {
+readlink_retry:
+		if (retry < 0)
+			return 0;
+		res.status = nfs_error(retry);
+	} else {
+		char *ln = do_readlink(mp, &retry, (struct attrstat **) 0);
+		if (ln == 0)
+			goto readlink_retry;
+		res.status = NFS_OK;
+#ifdef DEBUG
+		Debug(D_TRACE)
+			if (ln)
+				plog(XLOG_DEBUG, "\treadlink(%s) = %s", mp->am_path, ln);
+#endif /* DEBUG */
+		res.readlinkres_u.data = ln;
+		mp->am_stats.s_readlink++;
+	}
+
+	return &res;
+}
+
+
+/*ARGSUSED*/
+struct readres *
+nfsproc_read_2(argp, rqstp)
+struct readargs *argp;
+struct svc_req *rqstp;
+{
+	static struct readres res;
+
+	bzero((char *)&res, sizeof(res));
+
+	res.status = nfs_error(EACCES);
+
+	return &res;
+}
+
+
+/*ARGSUSED*/
+voidp 
+nfsproc_writecache_2(argp, rqstp)
+voidp argp;
+struct svc_req *rqstp;
+{
+	static char res;
+
+	return (voidp) &res;
+}
+
+
+/*ARGSUSED*/
+struct attrstat *
+nfsproc_write_2(argp, rqstp)
+writeargs *argp;
+struct svc_req *rqstp;
+{
+	static struct attrstat res;
+
+	if (!fh_to_mp(&argp->file))
+		res.status = nfs_error(ESTALE);
+	else
+		res.status = nfs_error(EROFS);
+
+	return &res;
+}
+
+
+/*ARGSUSED*/
+struct diropres *
+nfsproc_create_2(argp, rqstp)
+createargs *argp;
+struct svc_req *rqstp;
+{
+	static struct diropres res;
+
+	if (!fh_to_mp(&argp->where.dir))
+		res.status = nfs_error(ESTALE);
+	else
+		res.status = nfs_error(EROFS);
+
+	return &res;
+}
+
+
+/*ARGSUSED*/
+static nfsstat *
+unlink_or_rmdir(argp, rqstp, unlinkp)
+struct diropargs *argp;
+struct svc_req *rqstp;
+int unlinkp;
+{
+	static nfsstat res;
+	int retry;
+	/*mntfs *mf;*/
+	am_node *mp = fh_to_mp3(&argp->dir, &retry, VLOOK_DELETE);
+	if (mp == 0) {
+		if (retry < 0)
+			return 0;
+		res = nfs_error(retry);
+		goto out;
+	}
+	/*mf = mp->am_mnt;*/
+	if (mp->am_fattr.type != NFDIR) {
+		res = nfs_error(ENOTDIR);
+		goto out;
+	}
+#ifdef DEBUG
+	Debug(D_TRACE)
+		plog(XLOG_DEBUG, "\tremove(%s, %s)", mp->am_path, argp->name);
+#endif /* DEBUG */
+	mp = (*mp->am_mnt->mf_ops->lookuppn)(mp, argp->name, &retry, VLOOK_DELETE);
+	if (mp == 0) {
+		/*
+		 * Ignore retries...
+		 */
+		if (retry < 0)
+			retry = 0;
+		/*
+		 * Usual NFS workaround...
+		 */
+		else if (retry == ENOENT)
+			retry = 0;
+		res = nfs_error(retry);
+	} else {
+		forcibly_timeout_mp(mp);
+		res = NFS_OK;
+	}
+
+out:
+	return &res;
+}
+
+
+/*ARGSUSED*/
+nfsstat *
+nfsproc_remove_2(argp, rqstp)
+struct diropargs *argp;
+struct svc_req *rqstp;
+{
+	return unlink_or_rmdir(argp, rqstp, TRUE);
+}
+
+/*ARGSUSED*/
+nfsstat *
+nfsproc_rename_2(argp, rqstp)
+renameargs *argp;
+struct svc_req *rqstp;
+{
+	static nfsstat res;
+	if (!fh_to_mp(&argp->from.dir) || !fh_to_mp(&argp->to.dir))
+		res = nfs_error(ESTALE);
+	/*
+	 * If the kernel is doing clever things with referenced files
+	 * then let it pretend...
+	 */
+	else if (strncmp(argp->to.name, ".nfs", 4) == 0)
+		res = NFS_OK;
+	/*
+	 * otherwise a failure
+	 */
+	else
+		res = nfs_error(EROFS);
+	return &res;
+}
+
+
+/*ARGSUSED*/
+nfsstat *
+nfsproc_link_2(argp, rqstp)
+linkargs *argp;
+struct svc_req *rqstp;
+{
+	static nfsstat res;
+	if (!fh_to_mp(&argp->from) || !fh_to_mp(&argp->to.dir))
+		res = nfs_error(ESTALE);
+	else
+		res = nfs_error(EROFS);
+
+	return &res;
+}
+
+
+/*ARGSUSED*/
+nfsstat *
+nfsproc_symlink_2(argp, rqstp)
+symlinkargs *argp;
+struct svc_req *rqstp;
+{
+	static nfsstat res;
+	if (!fh_to_mp(&argp->from.dir))
+		res = nfs_error(ESTALE);
+	else
+		res = nfs_error(EROFS);
+
+	return &res;
+}
+
+
+/*ARGSUSED*/
+struct diropres *
+nfsproc_mkdir_2(argp, rqstp)
+createargs *argp;
+struct svc_req *rqstp;
+{
+	static struct diropres res;
+	if (!fh_to_mp(&argp->where.dir))
+		res.status = nfs_error(ESTALE);
+	else
+		res.status = nfs_error(EROFS);
+
+	return &res;
+}
+
+
+/*ARGSUSED*/
+nfsstat *
+nfsproc_rmdir_2(argp, rqstp)
+struct diropargs *argp;
+struct svc_req *rqstp;
+{
+	return unlink_or_rmdir(argp, rqstp, FALSE);
+}
+
+
+/*ARGSUSED*/
+struct readdirres *
+nfsproc_readdir_2(argp, rqstp)
+readdirargs *argp;
+struct svc_req *rqstp;
+{
+	static readdirres res;
+	static entry e_res[MAX_READDIR_ENTRIES];
+	am_node *mp;
+	int retry;
+
+#ifdef DEBUG
+	Debug(D_TRACE)
+		plog(XLOG_DEBUG, "readdir:");
+#endif /* DEBUG */
+
+	mp = fh_to_mp2(&argp->dir, &retry);
+	if (mp == 0) {
+		if (retry < 0)
+			return 0;
+		res.status = nfs_error(retry);
+	} else {
+#ifdef DEBUG
+		Debug(D_TRACE)
+			plog(XLOG_DEBUG, "\treaddir(%s)", mp->am_path);
+#endif /* DEBUG */
+		res.status = nfs_error((*mp->am_mnt->mf_ops->readdir)(mp, argp->cookie,
+					&res.readdirres_u.reply, e_res, argp->count));
+		mp->am_stats.s_readdir++;
+	}
+
+	return &res;
+}
+
+/*ARGSUSED*/
+struct statfsres *
+nfsproc_statfs_2(argp, rqstp)
+struct nfs_fh *argp;
+struct svc_req *rqstp;
+{
+	static statfsres res;
+	am_node *mp;
+	int retry;
+
+#ifdef DEBUG
+	Debug(D_TRACE)
+		plog(XLOG_DEBUG, "statfs:");
+#endif /* DEBUG */
+
+	mp = fh_to_mp2(argp, &retry);
+	if (mp == 0) {
+		if (retry < 0)
+			return 0;
+		res.status = nfs_error(retry);
+	} else {
+		statfsokres *fp;
+#ifdef DEBUG
+		Debug(D_TRACE)
+			plog(XLOG_DEBUG, "\tstat_fs(%s)", mp->am_path);
+#endif /* DEBUG */
+		/*
+		 * just return faked up file system information
+		 */
+
+		fp = &res.statfsres_u.reply;
+
+		fp->tsize = 1024;
+		fp->bsize = 4096;
+#ifdef HAS_EMPTY_AUTOMOUNTS
+		fp->blocks = 0;
+#else
+		fp->blocks = 1;
+#endif
+		fp->bfree = 0;
+		fp->bavail = 0;
+
+		res.status = NFS_OK;
+		mp->am_stats.s_statfs++;
+	}
+
+	return &res;
+}
diff --git a/usr.sbin/amd/amd/nfsx_ops.c b/usr.sbin/amd/amd/nfsx_ops.c
new file mode 100644
index 0000000..ba18cdc
--- /dev/null
+++ b/usr.sbin/amd/amd/nfsx_ops.c
@@ -0,0 +1,516 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)nfsx_ops.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: nfsx_ops.c,v 5.2.2.3 1992/05/31 16:13:07 jsp Exp $
+ *
+ */
+
+#include "am.h"
+
+#ifdef HAS_NFSX
+
+/*
+ * NFS hierarchical mounts
+ *
+ * TODO: Re-implement.
+ */
+
+/*
+ * The rfs field contains a list of mounts to be done from
+ * the remote host.
+ */
+typedef struct nfsx_mnt {
+	mntfs *n_mnt;
+	int n_error;
+} nfsx_mnt;
+
+struct nfsx {
+	int nx_c;		/* Number of elements in nx_v */
+	nfsx_mnt *nx_v;		/* Underlying mounts */
+	nfsx_mnt *nx_try;
+};
+
+static int nfsx_fmount P((mntfs*));
+
+static char *nfsx_match(fo)
+am_opts *fo;
+{
+	char *xmtab;
+	char *ptr;
+	int len;
+
+	if (!fo->opt_rfs) {
+		plog(XLOG_USER, "nfsx: no remote filesystem specified");
+		return FALSE;
+	}
+	if (!fo->opt_rhost) {
+		plog(XLOG_USER, "nfsx: no remote host specified");
+		return FALSE;
+	}
+
+#ifdef notdef
+	/* fiddle sublink, must be last... */
+	if (fo->opt_sublink) {
+		plog(XLOG_WARNING, "nfsx: sublink %s ignored", fo->opt_sublink);
+		free((voidp) fo->opt_sublink);
+		fo->opt_sublink = 0;
+	}
+#endif
+
+	/* set default sublink */
+	if (fo->opt_sublink == 0) {
+		ptr = strchr(fo->opt_rfs, ',');
+		if (ptr && ptr != (fo->opt_rfs + 1))
+			fo->opt_sublink = strnsave(fo->opt_rfs + 1, ptr - fo->opt_rfs - 1);
+	}
+
+	/*
+	 * Remove trailing ",..." from ${fs}
+	 * After deslashifying, overwrite the end of ${fs} with "/"
+	 * to make sure it is unique.
+	 */
+	if (ptr = strchr(fo->opt_fs, ','))
+		*ptr = '\0';
+	deslashify(fo->opt_fs);
+	/*
+	 * Bump string length to allow trailing /
+	 */
+	len = strlen(fo->opt_fs);
+	fo->opt_fs = xrealloc(fo->opt_fs, len + 1 + 1);
+	ptr = fo->opt_fs + len;
+	/*
+	 * Make unique...
+	 */
+	*ptr++ = '/';
+	*ptr = '\0';
+
+	/*
+	 * Determine magic cookie to put in mtab
+	 */
+	xmtab = str3cat((char *) 0, fo->opt_rhost, ":", fo->opt_rfs);
+#ifdef DEBUG
+	dlog("NFS: mounting remote server \"%s\", remote fs \"%s\" on \"%s\"",
+		fo->opt_rhost, fo->opt_rfs, fo->opt_fs);
+#endif /* DEBUG */
+
+	return xmtab;
+}
+
+static void nfsx_prfree P((voidp vp));
+static void nfsx_prfree(vp)
+voidp vp;
+{
+	struct nfsx *nx = (struct nfsx *) vp;
+	int i;
+
+	for (i = 0; i < nx->nx_c; i++) {
+		mntfs *m = nx->nx_v[i].n_mnt;
+		if (m)
+			free_mntfs(m);
+	}
+
+	free((voidp) nx->nx_v);
+	free((voidp) nx);
+}
+
+static int nfsx_init(mf)
+mntfs *mf;
+{
+	/*
+	 * mf_info has the form:
+	 *   host:/prefix/path,sub,sub,sub
+	 */
+	int i;
+	int glob_error;
+	struct nfsx *nx;
+	int asked_for_wakeup = 0;
+
+	nx = (struct nfsx *) mf->mf_private;
+
+	if (nx == 0) {
+		char **ivec;
+		char *info = 0;
+		char *host;
+		char *pref;
+		int error = 0;
+
+		info = strdup(mf->mf_info);
+		host = strchr(info, ':');
+		if (!host) {
+			error = EINVAL;
+			goto errexit;
+		}
+
+		pref = host+1;
+		host = info;
+
+		/*
+		 * Split the prefix off from the suffices
+		 */
+		ivec = strsplit(pref, ',', '\'');
+
+		/*
+		 * Count array size
+		 */
+		for (i = 0; ivec[i]; i++)
+			;
+
+		nx = ALLOC(nfsx);
+		mf->mf_private = (voidp) nx;
+		mf->mf_prfree = nfsx_prfree;
+
+		nx->nx_c = i - 1;	/* i-1 because we don't want the prefix */
+		nx->nx_v = (nfsx_mnt *) xmalloc(nx->nx_c * sizeof(nfsx_mnt));
+		{ char *mp = 0;
+		  char *xinfo = 0;
+		  char *fs = mf->mf_fo->opt_fs;
+		  char *rfs = 0;
+		  for (i = 0; i < nx->nx_c; i++) {
+		  	char *path = ivec[i+1];
+			rfs = str3cat(rfs, pref, "/", path);
+		  	/*
+			 * Determine the mount point.
+			 * If this is the root, then don't remove
+			 * the trailing slash to avoid mntfs name clashes.
+			 */
+			mp = str3cat(mp, fs, "/", rfs);
+			normalize_slash(mp);
+			deslashify(mp);
+			/*
+			 * Determine the mount info
+			 */
+			xinfo = str3cat(xinfo, host, *path == '/' ? "" : "/", path);
+			normalize_slash(xinfo);
+			if (pref[1] != '\0')
+				deslashify(xinfo);
+#ifdef DEBUG
+			dlog("nfsx: init mount for %s on %s", xinfo, mp);
+#endif
+			nx->nx_v[i].n_error = -1;
+			nx->nx_v[i].n_mnt = find_mntfs(&nfs_ops, mf->mf_fo, mp, xinfo, "", mf->mf_mopts, mf->mf_remopts);
+		  }
+		  if (rfs) free(rfs);
+		  if (mp) free(mp);
+		  if (xinfo) free(xinfo);
+		}
+
+		free((voidp) ivec);
+errexit:
+		if (info)
+			free(info);
+		if (error)
+			return error;
+	}
+
+	/*
+	 * Iterate through the mntfs's and call
+	 * the underlying init routine on each
+	 */
+	glob_error = 0;
+	for (i = 0; i < nx->nx_c; i++) {
+		nfsx_mnt *n = &nx->nx_v[i];
+		mntfs *m = n->n_mnt;
+		int error = (*m->mf_ops->fs_init)(m);
+		/*
+		 * If HARD_NFSX_ERRORS is defined, make any
+		 * initialisation failure a hard error and
+		 * fail the entire group.  Otherwise only fail
+		 * if none of the group is mountable (see nfsx_fmount).
+		 */
+#ifdef HARD_NFSX_ERRORS
+		if (error > 0)
+			return error;
+#else
+		if (error > 0)
+			n->n_error = error;
+#endif
+		else if (error < 0) {
+			glob_error = -1;
+			if (!asked_for_wakeup) {
+				asked_for_wakeup = 1;
+				sched_task(wakeup_task, (voidp) mf, (voidp) m);
+			}
+		}
+	}
+
+	return glob_error;
+}
+
+static void nfsx_cont P((int rc, int term, voidp closure));
+static void nfsx_cont(rc, term, closure)
+int rc;
+int term;
+voidp closure;
+{
+	mntfs *mf = (mntfs *) closure;
+	struct nfsx *nx = (struct nfsx *) mf->mf_private;
+	nfsx_mnt *n = nx->nx_try;
+
+	n->n_mnt->mf_flags &= ~(MFF_ERROR|MFF_MOUNTING);
+	mf->mf_flags &= ~MFF_ERROR;
+
+	/*
+	 * Wakeup anything waiting for this mount
+	 */
+	wakeup((voidp) n->n_mnt);
+
+	if (rc || term) {
+		if (term) {
+			/*
+			 * Not sure what to do for an error code.
+			 */
+			plog(XLOG_ERROR, "mount for %s got signal %d", n->n_mnt->mf_mount, term);
+			n->n_error = EIO;
+		} else {
+			/*
+			 * Check for exit status
+			 */
+			errno = rc;	/* XXX */
+			plog(XLOG_ERROR, "%s: mount (nfsx_cont): %m", n->n_mnt->mf_mount);
+			n->n_error = rc;
+		}
+		free_mntfs(n->n_mnt);
+		n->n_mnt = new_mntfs();
+		n->n_mnt->mf_error = n->n_error;
+		n->n_mnt->mf_flags |= MFF_ERROR;
+	} else {
+		/*
+		 * The mount worked.
+		 */
+		mf_mounted(n->n_mnt);
+		n->n_error = 0;
+	}
+
+	/*
+	 * Do the remaining bits
+	 */
+	if (nfsx_fmount(mf) >= 0) {
+		wakeup((voidp) mf);
+		mf->mf_flags &= ~MFF_MOUNTING;
+		mf_mounted(mf);
+	}
+}
+
+static int try_nfsx_mount P((voidp mv));
+static int try_nfsx_mount(mv)
+voidp mv;
+{
+	mntfs *mf = (mntfs *) mv;
+	int error;
+
+	mf->mf_flags |= MFF_MOUNTING;
+	error = (*mf->mf_ops->fmount_fs)(mf);
+	mf->mf_flags &= ~MFF_MOUNTING;
+	return error;
+}
+
+static int nfsx_remount P((mntfs *mf, int fg));
+static int nfsx_remount(mf, fg)
+mntfs *mf;
+int fg;
+{
+	struct nfsx *nx = (struct nfsx *) mf->mf_private;
+	nfsx_mnt *n;
+	int glob_error = -1;
+
+	for (n = nx->nx_v; n < nx->nx_v + nx->nx_c; n++) {
+		mntfs *m = n->n_mnt;
+		if (n->n_error < 0) {
+			if (!(m->mf_flags & MFF_MKMNT) && m->mf_ops->fs_flags & FS_MKMNT) {
+				int error = mkdirs(m->mf_mount, 0555);
+				if (!error)
+					m->mf_flags |= MFF_MKMNT;
+			}
+		}
+	}
+
+	/*
+	 * Iterate through the mntfs's and mount each filesystem
+	 * which is not yet mounted.
+	 */
+	for (n = nx->nx_v; n < nx->nx_v + nx->nx_c; n++) {
+		mntfs *m = n->n_mnt;
+		if (n->n_error < 0) {
+			/*
+			 * Check fmount entry pt. exists
+			 * and then mount...
+			 */
+			if (!m->mf_ops->fmount_fs) {
+				n->n_error = EINVAL;
+			} else {
+#ifdef DEBUG
+				dlog("calling underlying fmount on %s", m->mf_mount);
+#endif
+				if (!fg && foreground && (m->mf_ops->fs_flags & FS_MBACKGROUND)) {
+					m->mf_flags |= MFF_MOUNTING;	/* XXX */
+#ifdef DEBUG
+					dlog("backgrounding mount of \"%s\"", m->mf_info);
+#endif
+					nx->nx_try = n;
+					run_task(try_nfsx_mount, (voidp) m, nfsx_cont, (voidp) mf);
+					n->n_error = -1;
+					return -1;
+				} else {
+#ifdef DEBUG
+					dlog("foreground mount of \"%s\" ...", mf->mf_info);
+#endif
+					n->n_error = (*m->mf_ops->fmount_fs)(m);
+				}
+			}
+#ifdef DEBUG
+			if (n->n_error > 0) {
+				errno = n->n_error;	/* XXX */
+				dlog("underlying fmount of %s failed: %m", m->mf_mount);
+			}
+#endif
+			if (n->n_error == 0) {
+				glob_error = 0;
+			} else if (glob_error < 0) {
+				glob_error = n->n_error;
+			}
+		}
+	}
+
+	return glob_error < 0 ? 0 : glob_error;
+}
+
+static int nfsx_fmount P((mntfs *mf));
+static int nfsx_fmount(mf)
+mntfs *mf;
+{
+	return nfsx_remount(mf, FALSE);
+}
+
+/*
+ * Unmount an NFS hierarchy.
+ * Note that this is called in the foreground
+ * and so may hang under extremely rare conditions.
+ */
+static int nfsx_fumount(mf)
+mntfs *mf;
+{
+	struct nfsx *nx = (struct nfsx *) mf->mf_private;
+	nfsx_mnt *n;
+	int glob_error = 0;
+
+	/*
+	 * Iterate in reverse through the mntfs's and unmount each filesystem
+	 * which is mounted.
+	 */
+	for (n = nx->nx_v + nx->nx_c - 1; n >= nx->nx_v; --n) {
+		mntfs *m = n->n_mnt;
+		/*
+		 * If this node has not been messed with
+		 * and there has been no error so far
+		 * then try and unmount.
+		 * If an error had occured then zero
+		 * the error code so that the remount
+		 * only tries to unmount those nodes
+		 * which had been successfully unmounted.
+		 */
+		if (n->n_error == 0) {
+#ifdef DEBUG
+			dlog("calling underlying fumount on %s", m->mf_mount);
+#endif
+			n->n_error = (*m->mf_ops->fumount_fs)(m);
+			if (n->n_error) {
+				glob_error = n->n_error;
+				n->n_error = 0;
+			} else {
+				/*
+				 * Make sure remount gets this node
+				 */
+				n->n_error = -1;
+			}
+		}
+	}
+
+	/*
+	 * If any unmounts failed then remount the
+	 * whole lot...
+	 */
+	if (glob_error) {
+		glob_error = nfsx_remount(mf, TRUE);
+		if (glob_error) {
+			errno = glob_error; /* XXX */
+			plog(XLOG_USER, "nfsx: remount of %s failed: %m", mf->mf_mount);
+		}
+		glob_error = EBUSY;
+	} else {
+		/*
+		 * Remove all the mount points
+		 */
+		for (n = nx->nx_v; n < nx->nx_v + nx->nx_c; n++) {
+			mntfs *m = n->n_mnt;
+			if (n->n_error < 0) {
+				if (m->mf_ops->fs_flags & FS_MKMNT) {
+					(void) rmdirs(m->mf_mount);
+					m->mf_flags &= ~MFF_MKMNT;
+				}
+			}
+			free_mntfs(m);
+			n->n_mnt = 0;
+			n->n_error = -1;
+		}
+	}
+
+	return glob_error;
+}
+
+/*
+ * Ops structure
+ */
+am_ops nfsx_ops = {
+	"nfsx",
+	nfsx_match,
+	nfsx_init,
+	auto_fmount,
+	nfsx_fmount,
+	auto_fumount,
+	nfsx_fumount,
+	efs_lookuppn,
+	efs_readdir,
+	0, /* nfsx_readlink */
+	0, /* nfsx_mounted */
+	0, /* nfsx_umounted */
+	find_nfs_srvr,			/* XXX */
+	/*FS_UBACKGROUND|*/FS_AMQINFO
+};
+
+#endif /* HAS_NFSX */
diff --git a/usr.sbin/amd/amd/opts.c b/usr.sbin/amd/amd/opts.c
new file mode 100644
index 0000000..54c9675
--- /dev/null
+++ b/usr.sbin/amd/amd/opts.c
@@ -0,0 +1,835 @@
+/*-
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id: opts.c,v 5.2.2.3 1992/05/31 16:34:13 jsp Exp $
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)opts.c	8.1 (Berkeley) 6/6/93";
+#endif /* not lint */
+
+#include "am.h"
+
+extern char *getenv P((const char *));
+
+/*
+ * static copy of the options with
+ * which to play
+ */
+static struct am_opts fs_static;
+
+static char *opt_host = hostname;
+static char *opt_hostd = hostd;
+static char nullstr[] = "";
+static char *opt_key = nullstr;
+static char *opt_map = nullstr;
+static char *opt_path = nullstr;
+
+static char *vars[8];
+
+/*
+ * Length of longest option name
+ */
+#define	NLEN	16	/* conservative */
+#define S(x) (x) , (sizeof(x)-1)
+static struct opt {
+	char *name;		/* Name of the option */
+	int nlen;		/* Length of option name */
+	char **optp;		/* Pointer to option value string */
+	char **sel_p;		/* Pointer to selector value string */
+} opt_fields[] = {
+	/* Options in something corresponding to frequency of use */
+	{ S("opts"), &fs_static.opt_opts, 0 },
+	{ S("host"), 0, &opt_host },
+	{ S("hostd"), 0, &opt_hostd },
+	{ S("type"), &fs_static.opt_type, 0 },
+	{ S("rhost"), &fs_static.opt_rhost, 0 },
+	{ S("rfs"), &fs_static.opt_rfs, 0 },
+	{ S("fs"), &fs_static.opt_fs, 0 },
+	{ S("key"), 0, &opt_key },
+	{ S("map"), 0, &opt_map },
+	{ S("sublink"), &fs_static.opt_sublink, 0 },
+	{ S("arch"), 0, &arch },
+	{ S("dev"), &fs_static.opt_dev, 0 },
+	{ S("pref"), &fs_static.opt_pref, 0 },
+	{ S("path"), 0, &opt_path },
+	{ S("autodir"), 0, &auto_dir },
+	{ S("delay"), &fs_static.opt_delay, 0 },
+	{ S("domain"), 0, &hostdomain },
+	{ S("karch"), 0, &karch },
+	{ S("cluster"), 0, &cluster },
+	{ S("wire"), 0, &wire },
+	{ S("byte"), 0, &endian },
+	{ S("os"), 0, &op_sys },
+	{ S("remopts"), &fs_static.opt_remopts, 0 },
+	{ S("mount"), &fs_static.opt_mount, 0 },
+	{ S("unmount"), &fs_static.opt_unmount, 0 },
+	{ S("cache"), &fs_static.opt_cache, 0 },
+	{ S("user"), &fs_static.opt_user, 0 },
+	{ S("group"), &fs_static.opt_group, 0 },
+	{ S("var0"), &vars[0], 0 },
+	{ S("var1"), &vars[1], 0 },
+	{ S("var2"), &vars[2], 0 },
+	{ S("var3"), &vars[3], 0 },
+	{ S("var4"), &vars[4], 0 },
+	{ S("var5"), &vars[5], 0 },
+	{ S("var6"), &vars[6], 0 },
+	{ S("var7"), &vars[7], 0 },
+	{ 0, 0, 0, 0 },
+};
+
+typedef struct opt_apply opt_apply;
+struct opt_apply {
+	char **opt;
+	char *val;
+};
+
+/*
+ * Specially expand the remote host name first
+ */
+static opt_apply rhost_expansion[] = {
+	{ &fs_static.opt_rhost, "${host}" },
+	{ 0, 0 },
+};
+/*
+ * List of options which need to be expanded
+ * Note that this the order here _may_ be important.
+ */
+static opt_apply expansions[] = {
+/*	{ &fs_static.opt_dir, 0 },	*/
+	{ &fs_static.opt_sublink, 0 },
+	{ &fs_static.opt_rfs, "${path}" },
+	{ &fs_static.opt_fs, "${autodir}/${rhost}${rfs}" },
+	{ &fs_static.opt_opts, "rw" },
+	{ &fs_static.opt_remopts, "${opts}" },
+	{ &fs_static.opt_mount, 0 },
+	{ &fs_static.opt_unmount, 0 },
+	{ 0, 0 },
+};
+
+/*
+ * List of options which need to be free'ed before re-use
+ */
+static opt_apply to_free[] = {
+	{ &fs_static.fs_glob, 0 },
+	{ &fs_static.fs_local, 0 },
+	{ &fs_static.fs_mtab, 0 },
+/*	{ &fs_static.opt_dir, 0 },	*/
+	{ &fs_static.opt_sublink, 0 },
+	{ &fs_static.opt_rfs, 0 },
+	{ &fs_static.opt_fs, 0 },
+	{ &fs_static.opt_rhost, 0 },
+	{ &fs_static.opt_opts, 0 },
+	{ &fs_static.opt_remopts, 0 },
+	{ &fs_static.opt_mount, 0 },
+	{ &fs_static.opt_unmount, 0 },
+	{ &vars[0], 0 },
+	{ &vars[1], 0 },
+	{ &vars[2], 0 },
+	{ &vars[3], 0 },
+	{ &vars[4], 0 },
+	{ &vars[5], 0 },
+	{ &vars[6], 0 },
+	{ &vars[7], 0 },
+	{ 0, 0 },
+};
+
+/*
+ * Skip to next option in the string
+ */
+static char *opt P((char**));
+static char *opt(p)
+char **p;
+{
+	char *cp = *p;
+	char *dp = cp;
+	char *s = cp;
+
+top:
+	while (*cp && *cp != ';') {
+		if (*cp == '\"') {
+			/*
+			 * Skip past string
+			 */
+			cp++;
+			while (*cp && *cp != '\"')
+				*dp++ = *cp++;
+			if (*cp)
+				cp++;
+		} else {
+			*dp++ = *cp++;
+		}
+	}
+
+	/*
+	 * Skip past any remaining ';'s
+	 */
+	while (*cp == ';')
+		cp++;
+
+	/*
+	 * If we have a zero length string
+	 * and there are more fields, then
+	 * parse the next one.  This allows
+	 * sequences of empty fields.
+	 */
+	if (*cp && dp == s)
+		goto top;
+
+	*dp = '\0';
+
+	*p = cp;
+	return s;
+}
+
+static int eval_opts P((char*, char*));
+static int eval_opts(opts, mapkey)
+char *opts;
+char *mapkey;
+{
+	/*
+	 * Fill in the global structure fs_static by
+	 * cracking the string opts.  opts may be
+	 * scribbled on at will.
+	 */
+	char *o = opts;
+	char *f;
+
+	/*
+	 * For each user-specified option
+	 */
+	while (*(f = opt(&o))) {
+		struct opt *op;
+		enum vs_opt { OldSyn, SelEQ, SelNE, VarAss } vs_opt;
+		char *eq = strchr(f, '=');
+		char *opt;
+		if (!eq || eq[1] == '\0' || eq == f) {
+			/*
+			 * No value, just continue
+			 */
+			plog(XLOG_USER, "key %s: No value component in \"%s\"", mapkey, f);
+			continue;
+		}
+
+		/*
+		 * Check what type of operation is happening
+		 * !=, =!  is SelNE
+		 * == is SelEQ
+		 * := is VarAss
+		 * = is OldSyn (either SelEQ or VarAss)
+		 */
+		if (eq[-1] == '!') {		/* != */
+			vs_opt = SelNE;
+			eq[-1] = '\0';
+			opt = eq + 1;
+		} else if (eq[-1] == ':') {	/* := */
+			vs_opt = VarAss;
+			eq[-1] = '\0';
+			opt = eq + 1;
+		} else if (eq[1] == '=') {	/* == */
+			vs_opt = SelEQ;
+			eq[0] = '\0';
+			opt = eq + 2;
+		} else if (eq[1] == '!') {	/* =! */
+			vs_opt = SelNE;
+			eq[0] = '\0';
+			opt = eq + 2;
+		} else {			/* = */
+			vs_opt = OldSyn;
+			eq[0] = '\0';
+			opt = eq + 1;
+		}
+
+		/*
+		 * For each recognised option
+		 */
+		for (op = opt_fields; op->name; op++) {
+			/*
+			 * Check whether they match
+			 */
+			if (FSTREQ(op->name, f)) {
+				switch (vs_opt) {
+#if AMD_COMPAT <= 5000108
+				case OldSyn:
+					plog(XLOG_WARNING, "key %s: Old syntax selector found: %s=%s", mapkey, f, opt);
+					if (!op->sel_p) {
+						*op->optp = opt;
+						break;
+					}
+					/* fall through ... */
+#endif /* 5000108 */
+				case SelEQ:
+				case SelNE:
+					if (op->sel_p && (STREQ(*op->sel_p, opt) == (vs_opt == SelNE))) {
+						plog(XLOG_MAP, "key %s: map selector %s (=%s) did not %smatch %s",
+							mapkey,
+							op->name,
+							*op->sel_p,
+							vs_opt == SelNE ? "not " : "",
+							opt);
+						return 0;
+					}
+					break;
+
+				case VarAss:
+					if (op->sel_p) {
+						plog(XLOG_USER, "key %s: Can't assign to a selector (%s)", mapkey, op->name);
+						return 0;
+					}
+					*op->optp = opt;
+					break;
+				}
+				break;
+			}
+		}
+
+		if (!op->name)
+			plog(XLOG_USER, "key %s: Unrecognised key/option \"%s\"", mapkey, f);
+	}
+
+	return 1;
+}
+
+/*
+ * Free an option
+ */
+static void free_op P((opt_apply*, int));
+/*ARGSUSED*/
+static void free_op(p, b)
+opt_apply *p;
+int b;
+{
+	if (*p->opt) {
+		free(*p->opt);
+		*p->opt = 0;
+	}
+}
+
+/*
+ * Normalize slashes in the string.
+ */
+void normalize_slash P((char *p));
+void normalize_slash(p)
+char *p;
+{
+	char *f = strchr(p, '/');
+	char *f0 = f;
+	if (f) {
+		char *t = f;
+		do {
+			/* assert(*f == '/'); */
+			if (f == f0 && f[0] == '/' && f[1] == '/') {
+				/* copy double slash iff first */
+				*t++ = *f++;
+				*t++ = *f++;
+			} else {
+				/* copy a single / across */
+				*t++ = *f++;
+			}
+
+			/* assert(f[-1] == '/'); */
+			/* skip past more /'s */
+			while (*f == '/')
+				f++;
+
+			/* assert(*f != '/'); */
+			/* keep copying up to next / */
+			while (*f && *f != '/') {
+				*t++ = *f++;
+			}
+
+			/* assert(*f == 0 || *f == '/'); */
+
+		} while (*f);
+		*t = 0;			/* derived from fix by Steven Glassman */
+	}
+}
+
+/*
+ * Macro-expand an option.  Note that this does not
+ * handle recursive expansions.  They will go badly wrong.
+ * If sel is true then old expand selectors, otherwise
+ * don't expand selectors.
+ */
+static void expand_op P((opt_apply*, int));
+static void expand_op(p, sel_p)
+opt_apply *p;
+int sel_p;
+{
+/*
+ * The BUFSPACE macros checks that there is enough space
+ * left in the expansion buffer.  If there isn't then we
+ * give up completely.  This is done to avoid crashing the
+ * automounter itself (which would be a bad thing to do).
+ */
+#define BUFSPACE(ep, len) (((ep) + (len)) < expbuf+MAXPATHLEN)
+static char expand_error[] = "No space to expand \"%s\"";
+
+	char expbuf[MAXPATHLEN+1];
+	char nbuf[NLEN+1];
+	char *ep = expbuf;
+	char *cp = *p->opt;
+	char *dp;
+#ifdef DEBUG
+	char *cp_orig = *p->opt;
+#endif /* DEBUG */
+	struct opt *op;
+
+	while (dp = strchr(cp, '$')) {
+		char ch;
+		/*
+		 * First copy up to the $
+		 */
+		{ int len = dp - cp;
+		  if (BUFSPACE(ep, len)) {
+			strncpy(ep, cp, len);
+			ep += len;
+		  } else {
+			plog(XLOG_ERROR, expand_error, *p->opt);
+			goto out;
+		  }
+		}
+		cp = dp + 1;
+		ch = *cp++;
+		if (ch == '$') {
+			if (BUFSPACE(ep, 1)) {
+				*ep++ = '$';
+			} else {
+				plog(XLOG_ERROR, expand_error, *p->opt);
+				goto out;
+			}
+		} else if (ch == '{') {
+			/* Expansion... */
+			enum { E_All, E_Dir, E_File, E_Domain, E_Host } todo;
+			/*
+			 * Find closing brace
+			 */
+			char *br_p = strchr(cp, '}');
+			int len;
+			/*
+			 * Check we found it
+			 */
+			if (!br_p) {
+				/*
+				 * Just give up
+				 */
+				plog(XLOG_USER, "No closing '}' in \"%s\"", *p->opt);
+				goto out;
+			}
+			len = br_p - cp;
+			/*
+			 * Figure out which part of the variable to grab.
+			 */
+			if (*cp == '/') {
+				/*
+				 * Just take the last component
+				 */
+				todo = E_File;
+				cp++;
+				--len;
+			} else if (br_p[-1] == '/') {
+				/*
+				 * Take all but the last component
+				 */
+				todo = E_Dir;
+				--len;
+			} else if (*cp == '.') {
+				/*
+				 * Take domain name
+				 */
+				todo = E_Domain;
+				cp++;
+				--len;
+			} else if (br_p[-1] == '.') {
+				/*
+				 * Take host name
+				 */
+				todo = E_Host;
+				--len;
+			} else {
+				/*
+				 * Take the whole lot
+				 */
+				todo = E_All;
+			}
+			/*
+			 * Truncate if too long.  Since it won't
+			 * match anyway it doesn't matter that
+			 * it has been cut short.
+			 */
+			if (len > NLEN)
+				len = NLEN;
+			/*
+			 * Put the string into another buffer so
+			 * we can do comparisons.
+			 */
+			strncpy(nbuf, cp, len);
+			nbuf[len] = '\0';
+			/*
+			 * Advance cp
+			 */
+			cp = br_p + 1;
+			/*
+			 * Search the option array
+			 */
+			for (op = opt_fields; op->name; op++) {
+				/*
+				 * Check for match
+				 */
+				if (len == op->nlen && STREQ(op->name, nbuf)) {
+					char xbuf[NLEN+3];
+					char *val;
+					/*
+					 * Found expansion.  Copy
+					 * the correct value field.
+					 */
+					if (!(!op->sel_p == !sel_p)) {
+						/*
+						 * Copy the string across unexpanded
+						 */
+						sprintf(xbuf, "${%s%s%s}",
+							todo == E_File ? "/" :
+								todo == E_Domain ? "." : "",
+							nbuf,
+							todo == E_Dir ? "/" :
+								todo == E_Host ? "." : "");
+						val = xbuf;
+						/*
+						 * Make sure expansion doesn't
+						 * munge the value!
+						 */
+						todo = E_All;
+					} else if (op->sel_p) {
+						val = *op->sel_p;
+					} else {
+						val = *op->optp;
+					}
+					if (val) {
+						/*
+						 * Do expansion:
+						 * ${/var} means take just the last part
+						 * ${var/} means take all but the last part
+						 * ${.var} means take all but first part
+						 * ${var.} means take just the first part
+						 * ${var} means take the whole lot
+						 */
+						int vlen = strlen(val);
+						char *vptr = val;
+						switch (todo) {
+						case E_Dir:
+							vptr = strrchr(val, '/');
+							if (vptr)
+								vlen = vptr - val;
+							vptr = val;
+							break;
+						case E_File:
+							vptr = strrchr(val, '/');
+							if (vptr) {
+								vptr++;
+								vlen = strlen(vptr);
+							} else
+								vptr = val;
+							break;
+						case E_Domain:
+							vptr = strchr(val, '.');
+							if (vptr) {
+								vptr++;
+								vlen = strlen(vptr);
+							} else {
+								vptr = "";
+								vlen = 0;
+							}
+							break;
+						case E_Host:
+							vptr = strchr(val, '.');
+							if (vptr)
+								vlen = vptr - val;
+							vptr = val;
+							break;
+						case E_All:
+							break;
+						}
+#ifdef DEBUG
+					/*dlog("Expanding \"%s\" to \"%s\"", nbuf, val);*/
+#endif /* DEBUG */
+						if (BUFSPACE(ep, vlen)) {
+							strcpy(ep, vptr);
+							ep += vlen;
+						} else {
+							plog(XLOG_ERROR, expand_error, *p->opt);
+							goto out;
+						}
+					}
+					/*
+					 * Done with this variable
+					 */
+					break;
+				}
+			}
+			/*
+			 * Check that the search was succesful
+			 */
+			if (!op->name) {
+				/*
+				 * If it wasn't then scan the
+				 * environment for that name
+				 * and use any value found
+				 */
+				char *env = getenv(nbuf);
+				if (env) {
+					int vlen = strlen(env);
+
+					if (BUFSPACE(ep, vlen)) {
+						strcpy(ep, env);
+						ep += vlen;
+					} else {
+						plog(XLOG_ERROR, expand_error, *p->opt);
+						goto out;
+					}
+#ifdef DEBUG
+					Debug(D_STR)
+					plog(XLOG_DEBUG, "Environment gave \"%s\" -> \"%s\"", nbuf, env);
+#endif /* DEBUG */
+				} else {
+					plog(XLOG_USER, "Unknown sequence \"${%s}\"", nbuf);
+				}
+			}
+		} else {
+			/*
+			 * Error, error
+			 */
+			plog(XLOG_USER, "Unknown $ sequence in \"%s\"", *p->opt);
+		}
+	}
+
+out:
+	/*
+	 * Handle common case - no expansion
+	 */
+	if (cp == *p->opt) {
+		*p->opt = strdup(cp);
+	} else {
+		/*
+		 * Finish off the expansion
+		 */
+		if (BUFSPACE(ep, strlen(cp))) {
+			strcpy(ep, cp);
+			/*ep += strlen(ep);*/
+		} else {
+			plog(XLOG_ERROR, expand_error, *p->opt);
+		}
+
+		/*
+		 * Save the exansion
+		 */
+		*p->opt = strdup(expbuf);
+	}
+
+	normalize_slash(*p->opt);
+
+#ifdef DEBUG
+	Debug(D_STR) {
+		plog(XLOG_DEBUG, "Expansion of \"%s\"...", cp_orig);
+		plog(XLOG_DEBUG, "... is \"%s\"", *p->opt);
+	}
+#endif /* DEBUG */
+}
+
+/*
+ * Wrapper for expand_op
+ */
+static void expand_opts P((opt_apply*, int));
+static void expand_opts(p, sel_p)
+opt_apply *p;
+int sel_p;
+{
+	if (*p->opt) {
+		expand_op(p, sel_p);
+	} else if (p->val) {
+		/*
+		 * Do double expansion, remembering
+		 * to free the string from the first
+		 * expansion...
+		 */
+		char *s = *p->opt = expand_key(p->val);
+		expand_op(p, sel_p);
+		free(s);
+	}
+}
+
+/*
+ * Apply a function to a list of options
+ */
+static void apply_opts(op, ppp, b)
+void (*op)();
+opt_apply ppp[];
+int b;
+{
+	opt_apply *pp;
+	for (pp = ppp; pp->opt; pp++)
+		(*op)(pp, b);
+}
+
+/*
+ * Free the option table
+ */
+void free_opts(fo)
+am_opts *fo;
+{
+	/*
+	 * Copy in the structure we are playing with
+	 */
+	fs_static = *fo;
+
+	/*
+	 * Free previously allocated memory
+	 */
+	apply_opts(free_op, to_free, FALSE);
+}
+
+/*
+ * Expand lookup key
+ */
+char *expand_key(key)
+char *key;
+{
+	opt_apply oa;
+
+	oa.opt = &key; oa.val = 0;
+	expand_opts(&oa, TRUE);
+
+	return key;
+}
+
+/*
+ * Remove trailing /'s from a string
+ * unless the string is a single / (Steven Glassman)
+ */
+void deslashify P((char *s));
+void deslashify(s)
+char *s;
+{
+	if (s && *s) {
+		char *sl = s + strlen(s);
+		while (*--sl == '/' && sl > s)
+			*sl = '\0';
+	}
+}
+
+int eval_fs_opts(fo, opts, g_opts, path, key, map)
+am_opts *fo;
+char *opts, *g_opts, *path, *key, *map;
+{
+	int ok = TRUE;
+
+	free_opts(fo);
+
+	/*
+	 * Clear out the option table
+	 */
+	bzero((voidp) &fs_static, sizeof(fs_static));
+	bzero((voidp) vars, sizeof(vars));
+	bzero((voidp) fo, sizeof(*fo));
+
+	/*
+	 * Set key, map & path before expansion
+	 */
+	opt_key = key;
+	opt_map = map;
+	opt_path = path;
+
+	/*
+	 * Expand global options
+	 */
+	fs_static.fs_glob = expand_key(g_opts);
+
+	/*
+	 * Expand local options
+	 */
+	fs_static.fs_local = expand_key(opts);
+
+	/*
+	 * Expand default (global) options
+	 */
+	if (!eval_opts(fs_static.fs_glob, key))
+		ok = FALSE;
+
+	/*
+	 * Expand local options
+	 */
+	if (ok && !eval_opts(fs_static.fs_local, key))
+		ok = FALSE;
+
+	/*
+	 * Normalise remote host name.
+	 * 1.  Expand variables
+	 * 2.  Normalize relative to host tables
+	 * 3.  Strip local domains from the remote host
+	 *     name before using it in other expansions.
+	 *     This makes mount point names and other things
+	 *     much shorter, while allowing cross domain
+	 *     sharing of mount maps.
+	 */
+	apply_opts(expand_opts, rhost_expansion, FALSE);
+	if (ok && fs_static.opt_rhost && *fs_static.opt_rhost)
+		host_normalize(&fs_static.opt_rhost);
+
+	/*
+	 * Macro expand the options.
+	 * Do this regardless of whether we are accepting
+	 * this mount - otherwise nasty things happen
+	 * with memory allocation.
+	 */
+	apply_opts(expand_opts, expansions, FALSE);
+
+	/*
+	 * Strip trailing slashes from local pathname...
+	 */
+	deslashify(fs_static.opt_fs);
+
+	/*
+	 * ok... copy the data back out.
+	 */
+	*fo = fs_static;
+
+	/*
+	 * Clear defined options
+	 */
+	opt_key = opt_map = opt_path = nullstr;
+
+	return ok;
+}
diff --git a/usr.sbin/amd/amd/pfs_ops.c b/usr.sbin/amd/amd/pfs_ops.c
new file mode 100644
index 0000000..314f62b
--- /dev/null
+++ b/usr.sbin/amd/amd/pfs_ops.c
@@ -0,0 +1,169 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)pfs_ops.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: pfs_ops.c,v 5.2.2.1 1992/02/09 15:08:56 jsp beta $
+ *
+ */
+
+#include "am.h"
+
+#ifdef HAS_PFS
+
+/*
+ * Program file system
+ */
+
+/*
+ * Execute needs a mount and unmount command.
+ */
+static char *pfs_match(fo)
+am_opts *fo;
+{
+	char *prog;
+	if (!fo->opt_mount || !fo->opt_unmount) {
+		plog(XLOG_USER, "program: no mount/unmount specified");
+		return 0;
+	}
+	prog = strchr(fo->opt_mount, ' ');
+	return strdup(prog ? prog+1 : fo->opt_mount);
+}
+
+static int pfs_init(mf)
+mntfs *mf;
+{
+	/*
+	 * Save unmount command
+	 */
+	if (mf->mf_refc == 1) {
+		mf->mf_private = (voidp) strdup(mf->mf_fo->opt_unmount);
+		mf->mf_prfree = (void (*) ()) free;
+	}
+	return 0;
+}
+
+static int pfs_exec(info)
+char *info;
+{
+	char **xivec;
+	int error;
+	/*
+	 * Split copy of command info string
+	 */
+	info = strdup(info);
+	if (info == 0)
+		return ENOBUFS;
+	xivec = strsplit(info, ' ', '\'');
+	/*
+	 * Put stdout to stderr
+	 */
+	(void) fclose(stdout);
+	(void) dup(fileno(logfp));
+	if (fileno(logfp) != fileno(stderr)) {
+		(void) fclose(stderr);
+		(void) dup(fileno(logfp));
+	}
+	/*
+	 * Try the exec
+	 */
+#ifdef DEBUG
+	Debug(D_FULL) {
+		char **cp = xivec;
+		plog(XLOG_DEBUG, "executing (un)mount command...");
+		while (*cp) {
+	  		plog(XLOG_DEBUG, "arg[%d] = '%s'", cp-xivec, *cp);
+			cp++;
+		}
+	}
+#endif /* DEBUG */
+	if (xivec[0] == 0 || xivec[1] == 0) {
+		errno = EINVAL;
+		plog(XLOG_USER, "1st/2nd args missing to (un)mount program");
+	} else {
+		(void) execv(xivec[0], xivec+1);
+	}
+	/*
+	 * Save error number
+	 */
+	error = errno;
+	plog(XLOG_ERROR, "exec failed: %m");
+
+	/*
+	 * Free allocate memory
+	 */
+	free((voidp) info);
+	free((voidp) xivec);
+	/*
+	 * Return error
+	 */
+	return error;
+}
+
+static int pfs_fmount(mf)
+mntfs *mf;
+{
+	return pfs_exec(mf->mf_fo->opt_mount);
+}
+
+static int pfs_fumount(mf)
+mntfs *mf;
+{
+	return pfs_exec((char *) mf->mf_private);
+}
+
+/*
+ * Ops structure
+ */
+am_ops pfs_ops = {
+	"program",
+	pfs_match,
+	pfs_init,
+	auto_fmount,
+	pfs_fmount,
+	auto_fumount,
+	pfs_fumount,
+	efs_lookuppn,
+	efs_readdir,
+	0, /* pfs_readlink */
+	0, /* pfs_mounted */
+	0, /* pfs_umounted */
+	find_afs_srvr,
+	FS_BACKGROUND|FS_AMQINFO
+};
+
+#endif /* HAS_PFS */
diff --git a/usr.sbin/amd/amd/restart.c b/usr.sbin/amd/amd/restart.c
new file mode 100644
index 0000000..52a9c87
--- /dev/null
+++ b/usr.sbin/amd/amd/restart.c
@@ -0,0 +1,181 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id: restart.c,v 5.2.2.1 1992/02/09 15:08:59 jsp beta $
+ *
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)restart.c	8.1 (Berkeley) 6/6/93";
+#endif /* not lint */
+
+#include "am.h"
+
+/*
+ * Handle an amd restart.
+ *
+ * Scan through the mount list finding all "interesting" mount points.
+ * Next hack up partial data structures and add the mounted file
+ * system to the list of known filesystems.  This will leave a
+ * dangling reference to that filesystems, so when the filesystem is
+ * finally inherited, an extra "free" must be done on it.
+ *
+ * This module relies on internal details of other components.  If
+ * you change something else make *sure* restart() still works.
+ */
+void restart()
+{
+	/*
+	 * Read the existing mount table
+	 */
+	mntlist *ml, *mlp;
+
+	/*
+	 * For each entry, find nfs, ufs or auto mounts
+	 * and create a partial am_node to represent it.
+	 */
+	for (mlp = ml = read_mtab("restart"); mlp; mlp = mlp->mnext) {
+		struct mntent *me = mlp->mnt;
+		am_ops *fs_ops = 0;
+		if (STREQ(me->mnt_type, MTAB_TYPE_UFS)) {
+			/*
+			 * UFS entry
+			 */
+			fs_ops = &ufs_ops;
+		} else if (STREQ(me->mnt_type, MTAB_TYPE_NFS)) {
+			/*
+			 * NFS entry, or possibly an Amd entry...
+			 */
+			int au_pid;
+			char *colon = strchr(me->mnt_fsname, ':');
+			if (colon && sscanf(colon, ":(pid%d)", &au_pid) == 1) {
+				plog(XLOG_WARNING, "%s is an existing automount point", me->mnt_dir);
+				fs_ops = &sfs_ops;
+			} else {
+				fs_ops = &nfs_ops;
+			}
+#ifdef MTAB_TYPE_MFS
+		} else if (STREQ(me->mnt_type, MTAB_TYPE_MFS)) {
+			/*
+			 * MFS entry.  Fake with a symlink.
+			 */
+			fs_ops = &sfs_ops;
+#endif /* MTAB_TYPE_MFS */
+		} else {
+			/*
+			 * Catch everything else with symlinks to
+			 * avoid recursive mounts.  This is debatable...
+			 */
+			fs_ops = &sfs_ops;
+		}
+
+		/*
+		 * If we found something to do
+		 */
+		if (fs_ops) {
+			mntfs *mf;
+			am_opts mo;
+			char *cp;
+			cp = strchr(me->mnt_fsname, ':');
+			/*
+			 * Partially fake up an opts structure
+			 */
+			mo.opt_rhost = 0;
+			mo.opt_rfs = 0;
+			if (cp) {
+				*cp = '\0';
+				mo.opt_rhost = strdup(me->mnt_fsname);
+				mo.opt_rfs = strdup(cp+1);
+				*cp = ':';
+			} else if (fs_ops->ffserver == find_nfs_srvr) {
+				/* 
+				 * Prototype 4.4 BSD used to end up here -
+				 * might as well keep the workaround for now
+				 */
+				plog(XLOG_WARNING, "NFS server entry assumed to be %s:/", me->mnt_fsname);
+				mo.opt_rhost = strdup(me->mnt_fsname);
+				mo.opt_rfs = strdup("/");
+				me->mnt_fsname = str3cat(me->mnt_fsname, mo.opt_rhost, ":", "/");
+			}
+			mo.opt_fs = me->mnt_dir;
+			mo.opt_opts = me->mnt_opts;
+
+			/*
+			 * Make a new mounted filesystem
+			 */
+			mf = find_mntfs(fs_ops, &mo, me->mnt_dir,
+				me->mnt_fsname, "", me->mnt_opts, "");
+			if (mf->mf_refc == 1) {
+				mf->mf_flags |= MFF_RESTART|MFF_MOUNTED;
+				mf->mf_error = 0;	/* Already mounted correctly */
+				mf->mf_fo = 0;
+				/*
+				 * If the restarted type is a link then
+				 * don't time out.
+				 */
+				if (fs_ops == &sfs_ops || fs_ops == &ufs_ops)
+					mf->mf_flags |= MFF_RSTKEEP;
+				if (fs_ops->fs_init) {
+					/*
+					 * Don't care whether this worked since
+					 * it is checked again when the fs is
+					 * inherited.
+					 */
+					(void) (*fs_ops->fs_init)(mf);
+				}
+
+				plog(XLOG_INFO, "%s restarted fstype %s on %s",
+					me->mnt_fsname, fs_ops->fs_type, me->mnt_dir);
+			} else {
+				/* Something strange happened - two mounts at the same place! */
+				free_mntfs(mf);
+			}
+			/*
+			 * Clean up mo
+			 */
+			if (mo.opt_rhost)
+				free(mo.opt_rhost);
+			if (mo.opt_rfs)
+				free(mo.opt_rfs);
+		}
+	}
+
+	/*
+	 * Free the mount list
+	 */
+	free_mntlist(ml);
+}
diff --git a/usr.sbin/amd/amd/rpc_fwd.c b/usr.sbin/amd/amd/rpc_fwd.c
new file mode 100644
index 0000000..aaf1e0a
--- /dev/null
+++ b/usr.sbin/amd/amd/rpc_fwd.c
@@ -0,0 +1,430 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)rpc_fwd.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: rpc_fwd.c,v 5.2.2.1 1992/02/09 15:09:01 jsp beta $
+ *
+ */
+
+/*
+ * RPC packet forwarding
+ */
+
+#include "am.h"
+#include <sys/ioctl.h>
+#ifndef F_SETFL
+#include <fcntl.h>
+#endif /* F_SETFL */
+#ifndef FNDELAY
+#include <sys/file.h>
+#endif /* FNDELAY */
+
+/*
+ * Note that the ID field in the external packet is only
+ * ever treated as a 32 bit opaque data object, so there
+ * is no need to convert to and from network byte ordering.
+ */
+
+/*
+ * Each pending reply has an rpc_forward structure
+ * associated with it.  These have a 15 second lifespan.
+ * If a new structure is required, then an expired
+ * one will be re-allocated if available, otherwise a fresh
+ * one is allocated.  Whenever a reply is received the
+ * structure is discarded.
+ */
+typedef struct rpc_forward rpc_forward;
+struct rpc_forward {
+	qelem	rf_q;		/* Linked list */
+	time_t	rf_ttl;		/* Time to live */
+	u_int	rf_xid;		/* Packet id */
+	u_int	rf_oldid;	/* Original packet id */
+	fwd_fun	rf_fwd;		/* Forwarding function */
+	voidp	rf_ptr;
+	struct sockaddr_in rf_sin;
+};
+
+/*
+ * Head of list of pending replies
+ */
+extern qelem rpc_head;
+qelem rpc_head = { &rpc_head, &rpc_head };
+
+static u_int xid;
+#define	XID_ALLOC()	(xid++)
+
+#define	MAX_PACKET_SIZE	8192	/* Maximum UDP packet size */
+
+int fwd_sock;
+
+/*
+ * Allocate a rely structure
+ */
+static rpc_forward *fwd_alloc()
+{
+	time_t now = clocktime();
+	rpc_forward *p = 0, *p2;
+
+#ifdef DEBUG
+	/*dlog("fwd_alloca: rpc_head = %#x", rpc_head.q_forw);*/
+#endif /* DEBUG */
+	/*
+	 * First search for an existing expired one.
+	 */
+	ITER(p2, rpc_forward, &rpc_head) {
+		if (p2->rf_ttl <= now) {
+			p = p2;
+			break;
+		}
+	}
+
+	/*
+	 * If one couldn't be found then allocate
+	 * a new structure and link it at the
+	 * head of the list.
+	 */
+	if (p) {
+		/*
+		 * Call forwarding function to say that
+		 * this message was junked.
+		 */
+#ifdef DEBUG
+		dlog("Re-using packet forwarding slot - id %#x", p->rf_xid);
+#endif /* DEBUG */
+		if (p->rf_fwd)
+			(*p->rf_fwd)(0, 0, 0, &p->rf_sin, p->rf_ptr, FALSE);
+		rem_que(&p->rf_q);
+	} else {
+		p = ALLOC(rpc_forward);
+	}
+	ins_que(&p->rf_q, &rpc_head);
+
+	/*
+	 * Set the time to live field
+	 * Timeout in 43 seconds 
+	 */
+	p->rf_ttl = now + 43;
+
+#ifdef DEBUG
+	/*dlog("fwd_alloca: rpc_head = %#x", rpc_head.q_forw);*/
+#endif /* DEBUG */
+	return p;
+}
+
+/*
+ * Free an allocated reply structure.
+ * First unlink it from the list, then
+ * discard it.
+ */
+static void fwd_free(p)
+rpc_forward *p;
+{
+#ifdef DEBUG
+	/*dlog("fwd_free: rpc_head = %#x", rpc_head.q_forw);*/
+#endif /* DEBUG */
+	rem_que(&p->rf_q);
+#ifdef DEBUG
+	/*dlog("fwd_free: rpc_head = %#x", rpc_head.q_forw);*/
+#endif /* DEBUG */
+	free((voidp) p);
+}
+
+/*
+ * Initialise the RPC forwarder
+ */
+int fwd_init()
+{
+	int on = 1;
+
+	/*
+	 * Create ping socket
+	 */
+	fwd_sock = socket(AF_INET, SOCK_DGRAM, 0);
+	if (fwd_sock < 0) {
+		plog(XLOG_ERROR, "Unable to create RPC forwarding socket: %m");
+		return errno;
+	}
+
+	/*
+	 * Some things we talk to require a priv port - so make one here
+	 */
+	if (bind_resv_port(fwd_sock, (unsigned short *) 0) < 0)
+		plog(XLOG_ERROR, "can't bind privileged port");
+
+	if (fcntl(fwd_sock, F_SETFL, FNDELAY) < 0 &&
+			ioctl(fwd_sock, FIONBIO, &on) < 0) {
+		plog(XLOG_ERROR, "Can't set non-block on forwarding socket: %m");
+		return errno;
+	}
+
+	return 0;
+}
+
+/*
+ * Locate a packet in the forwarding list
+ */
+static rpc_forward *fwd_locate(id)
+u_int id;
+{
+	rpc_forward *p;
+
+	ITER(p, rpc_forward, &rpc_head) {
+		if (p->rf_xid == id)
+			return p;
+	}
+
+	return 0;
+}
+
+/*
+ * This is called to forward a packet to another
+ * RPC server.  The message id is changed and noted
+ * so that when a reply appears we can tie it up
+ * correctly.  Just matching the reply's source address
+ * would not work because it might come from a
+ * different address.
+ */
+int fwd_packet(type_id, pkt, len, fwdto, replyto, i, cb)
+int type_id;
+voidp pkt;
+int len;
+struct sockaddr_in *fwdto, *replyto;
+voidp i;
+fwd_fun cb;
+{
+	rpc_forward *p;
+	u_int *pkt_int;
+	int error;
+
+	if ((int)amd_state >= (int)Finishing)
+		return ENOENT;
+
+	/*
+	 * See if the type_id is fully specified.
+	 * If so, then discard any old entries
+	 * for this id.
+	 * Otherwise make sure the type_id is
+	 * fully qualified by allocating an id here.
+	 */
+#ifdef DEBUG
+	switch (type_id & RPC_XID_MASK) {
+	case RPC_XID_PORTMAP: dlog("Sending PORTMAP request"); break;
+	case RPC_XID_MOUNTD: dlog("Sending MOUNTD request %#x", type_id); break;
+	case RPC_XID_NFSPING: dlog("Sending NFS ping"); break;
+	default: dlog("UNKNOWN RPC XID"); break;
+	}
+#endif /* DEBUG */
+
+	if (type_id & ~RPC_XID_MASK) {
+#ifdef DEBUG
+		/*dlog("Fully qualified rpc type provided");*/
+#endif /* DEBUG */
+		p = fwd_locate(type_id);
+		if (p) {
+#ifdef DEBUG
+			dlog("Discarding earlier rpc fwd handle");
+#endif /* DEBUG */
+			fwd_free(p);
+		}
+	} else {
+#ifdef DEBUG
+		dlog("Allocating a new xid...");
+#endif /* DEBUG */
+		type_id = MK_RPC_XID(type_id, XID_ALLOC());
+	}
+
+	p = fwd_alloc();
+	if (!p)
+		return ENOBUFS;
+
+	error = 0;
+
+	pkt_int = (u_int *) pkt;
+
+	/*
+	 * Get the original packet id
+	 */
+	p->rf_oldid = *pkt_int;
+
+	/*
+	 * Replace with newly allocated id
+	 */
+	p->rf_xid = *pkt_int = type_id;
+
+	/*
+	 * The sendto may fail if, for example, the route
+	 * to a remote host is lost because an intermediate
+	 * gateway has gone down.  Important to fill in the
+	 * rest of "p" otherwise nasty things happen later...
+	 */
+#ifdef DEBUG
+	{ char dq[20]; 
+	dlog("Sending packet id %#x to %s.%d", p->rf_xid, inet_dquad(dq, fwdto->sin_addr.s_addr), ntohs(fwdto->sin_port));
+	}
+#endif /* DEBUG */
+	if (sendto(fwd_sock, (char *) pkt, len, 0,
+			(struct sockaddr *) fwdto, sizeof(*fwdto)) < 0)
+		error = errno;
+
+	/*
+	 * Save callback function and return address
+	 */
+	p->rf_fwd = cb;
+	if (replyto)
+		p->rf_sin = *replyto;
+	else
+		bzero((voidp) &p->rf_sin, sizeof(p->rf_sin));
+	p->rf_ptr = i;
+
+	return error;
+}
+
+/*
+ * Called when some data arrives on the forwarding socket
+ */
+void fwd_reply()
+{
+	int len;
+#ifdef DYNAMIC_BUFFERS
+	voidp pkt;
+#else
+	u_int pkt[MAX_PACKET_SIZE/sizeof(u_int)+1];
+#endif /* DYNAMIC_BUFFERS */
+	u_int *pkt_int;
+	int rc;
+	rpc_forward *p;
+	struct sockaddr_in src_addr;
+	int src_addr_len;
+
+	/*
+	 * Determine the length of the packet
+	 */
+#ifdef DYNAMIC_BUFFERS
+	if (ioctl(fwd_sock, FIONREAD, &len) < 0) {
+		plog(XLOG_ERROR, "Error reading packet size: %m");
+		return;
+	}
+
+	/*
+	 * Allocate a buffer
+	 */
+	pkt = (voidp) malloc((unsigned) len);
+	if (!pkt) {
+		plog(XLOG_ERROR, "Out of buffers in fwd_reply");
+		return;
+	}
+#else
+	len = MAX_PACKET_SIZE;
+#endif /* DYNAMIC_BUFFERS */
+
+	/*
+	 * Read the packet and check for validity
+	 */
+again:
+	src_addr_len = sizeof(src_addr);
+	rc = recvfrom(fwd_sock, (char *) pkt, len, 0,
+			(struct sockaddr *) &src_addr, &src_addr_len);
+	if (rc < 0 || src_addr_len != sizeof(src_addr) ||
+			src_addr.sin_family != AF_INET) {
+		if (rc < 0 && errno == EINTR)
+			goto again;
+		plog(XLOG_ERROR, "Error reading RPC reply: %m");
+		goto out;
+	}
+
+#ifdef DYNAMIC_BUFFERS
+	if (rc != len) {
+		plog(XLOG_ERROR, "Short read in fwd_reply");
+		goto out;
+	}
+#endif /* DYNAMIC_BUFFERS */
+
+	/*
+	 * Do no more work if finishing soon
+	 */
+	if ((int)amd_state >= (int)Finishing)
+		goto out;
+
+	/*
+	 * Find packet reference
+	 */
+	pkt_int = (u_int *) pkt;
+
+#ifdef DEBUG
+	switch (*pkt_int & RPC_XID_MASK) {
+	case RPC_XID_PORTMAP: dlog("Receiving PORTMAP reply"); break;
+	case RPC_XID_MOUNTD: dlog("Receiving MOUNTD reply %#x", *pkt_int); break;
+	case RPC_XID_NFSPING: dlog("Receiving NFS ping %#x", *pkt_int); break;
+	default: dlog("UNKNOWN RPC XID"); break;
+	}
+#endif /* DEBUG */
+
+	p = fwd_locate(*pkt_int);
+	if (!p) {
+#ifdef DEBUG
+		dlog("Can't forward reply id %#x", *pkt_int);
+#endif /* DEBUG */
+		goto out;
+	}
+
+	if (p->rf_fwd) {
+		/*
+		 * Put the original message id back
+		 * into the packet.
+		 */
+		*pkt_int = p->rf_oldid;
+
+		/*
+		 * Call forwarding function
+		 */
+		(*p->rf_fwd)((voidp) pkt, rc, &src_addr, &p->rf_sin, p->rf_ptr, TRUE);
+	}
+
+	/*
+	 * Free forwarding info
+	 */
+	fwd_free(p);
+
+out:;
+#ifdef DYNAMIC_BUFFERS
+	/*
+	 * Free the packet
+	 */
+	free((voidp) pkt);
+#endif /* DYNAMIC_BUFFERS */
+}
diff --git a/usr.sbin/amd/amd/sched.c b/usr.sbin/amd/amd/sched.c
new file mode 100644
index 0000000..cd12e3b
--- /dev/null
+++ b/usr.sbin/amd/amd/sched.c
@@ -0,0 +1,325 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)sched.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: sched.c,v 5.2.2.1 1992/02/09 15:09:02 jsp beta $
+ *
+ */
+
+/*
+ * Process scheduler
+ */
+
+#include "am.h"
+#include <sys/signal.h>
+#include WAIT
+#include <setjmp.h>
+extern jmp_buf select_intr;
+extern int select_intr_valid;
+
+typedef struct pjob pjob;
+struct pjob {
+	qelem hdr;			/* Linked list */
+	int pid;			/* Process ID of job */
+	cb_fun cb_fun;			/* Callback function */
+	voidp cb_closure;		/* Closure for callback */
+	union wait w;			/* Status filled in by sigchld */
+	voidp wchan;			/* Wait channel */
+};
+
+extern qelem proc_list_head;
+qelem proc_list_head = { &proc_list_head, &proc_list_head };
+extern qelem proc_wait_list;
+qelem proc_wait_list = { &proc_wait_list, &proc_wait_list };
+
+int task_notify_todo;
+
+void ins_que(elem, pred)
+qelem *elem, *pred;
+{
+	qelem *p = pred->q_forw;
+	elem->q_back = pred;
+	elem->q_forw = p;
+	pred->q_forw = elem;
+	p->q_back = elem;
+}
+
+void rem_que(elem)
+qelem *elem;
+{
+	qelem *p = elem->q_forw;
+	qelem *p2 = elem->q_back;
+	p2->q_forw = p;
+	p->q_back = p2;
+}
+
+static pjob *sched_job(cf, ca)
+cb_fun cf;
+voidp ca;
+{
+	pjob *p = ALLOC(pjob);
+
+	p->cb_fun = cf;
+	p->cb_closure = ca;
+
+	/*
+	 * Now place on wait queue
+	 */
+	ins_que(&p->hdr, &proc_wait_list);
+
+	return p;
+}
+
+void run_task(tf, ta, cf, ca)
+task_fun tf;
+voidp ta;
+cb_fun cf;
+voidp ca;
+{
+	pjob *p = sched_job(cf, ca);
+	int mask;
+
+	p->wchan = (voidp) p;
+
+	mask = sigblock(sigmask(SIGCHLD));
+
+	if (p->pid = background()) {
+		sigsetmask(mask);
+		return;
+	}
+
+	exit((*tf)(ta));
+	/* firewall... */
+	abort();
+}
+
+/*
+ * Schedule a task to be run when woken up
+ */
+void sched_task(cf, ca, wchan)
+cb_fun cf;
+voidp ca;
+voidp wchan;
+{
+	/*
+	 * Allocate a new task
+	 */
+	pjob *p = sched_job(cf, ca);
+#ifdef DEBUG_SLEEP
+	dlog("SLEEP on %#x", wchan);
+#endif
+	p->wchan = wchan;
+	p->pid = 0;
+	bzero((voidp) &p->w, sizeof(p->w));
+}
+
+static void wakeupjob(p)
+pjob *p;
+{
+	rem_que(&p->hdr);
+	ins_que(&p->hdr, &proc_list_head);
+	task_notify_todo++;
+}
+
+void wakeup(wchan)
+voidp wchan;
+{
+	pjob *p, *p2;
+#ifdef DEBUG_SLEEP
+	int done = 0;
+#endif
+	if (!foreground)
+		return;
+
+#ifdef DEBUG_SLEEP
+	/*dlog("wakeup(%#x)", wchan);*/
+#endif
+	/*
+	 * Can't user ITER() here because
+	 * wakeupjob() juggles the list.
+	 */
+	for (p = FIRST(pjob, &proc_wait_list);
+			p2 = NEXT(pjob, p), p != HEAD(pjob, &proc_wait_list);
+			p = p2) {
+		if (p->wchan == wchan) {
+#ifdef DEBUG_SLEEP
+			done = 1;
+#endif
+			wakeupjob(p);
+		}
+	}
+
+#ifdef DEBUG_SLEEP
+	if (!done)
+		dlog("Nothing SLEEPing on %#x", wchan);
+#endif
+}
+
+void wakeup_task(rc, term, cl)
+int rc;
+int term;
+voidp cl;
+{
+	wakeup(cl);
+}
+
+/*ARGSUSED*/
+
+void sigchld(sig)
+int sig;
+{
+	union wait w;
+	int pid;
+
+#ifdef SYS5_SIGNALS
+	if ((pid = wait(&w)) > 0) {
+#else
+	while ((pid = wait3((int *) &w, WNOHANG, (struct rusage *) 0)) > 0) {
+#endif /* SYS5_SIGNALS */
+		pjob *p, *p2;
+
+		if (WIFSIGNALED(w))
+			plog(XLOG_ERROR, "Process %d exited with signal %d",
+				pid, w.w_termsig);
+#ifdef DEBUG
+		else
+			dlog("Process %d exited with status %d",
+				pid, w.w_retcode);
+#endif /* DEBUG */
+
+		for (p = FIRST(pjob, &proc_wait_list);
+				p2 = NEXT(pjob, p), p != HEAD(pjob, &proc_wait_list);
+				p = p2) {
+			if (p->pid == pid) {
+				p->w = w;
+				wakeupjob(p);
+				break;
+			}
+		}
+
+#ifdef DEBUG
+		if (p) ; else dlog("can't locate task block for pid %d", pid);
+#endif /* DEBUG */
+	}
+
+#ifdef SYS5_SIGNALS
+	signal(sig, sigchld);
+#endif /* SYS5_SIGNALS */
+	if (select_intr_valid)
+		longjmp(select_intr, sig);
+}
+
+/*
+ * Run any pending tasks.
+ * This must be called with SIGCHLD disabled
+ */
+void do_task_notify(P_void)
+{
+	/*
+	 * Keep taking the first item off the list and processing it.
+	 *
+	 * Done this way because the the callback can, quite reasonably,
+	 * queue a new task, so no local reference into the list can be
+	 * held here.
+	 */
+	while (FIRST(pjob, &proc_list_head) != HEAD(pjob, &proc_list_head)) {
+		pjob *p = FIRST(pjob, &proc_list_head);
+		rem_que(&p->hdr);
+		/*
+		 * This job has completed
+		 */
+		--task_notify_todo;
+
+		/*
+		 * Do callback if it exists
+		 */
+		if (p->cb_fun)
+			(*p->cb_fun)(p->w.w_retcode,
+				p->w.w_termsig, p->cb_closure);
+
+		free((voidp) p);
+	}
+}
+
+#ifdef HAS_SVR3_SIGNALS
+/*
+ * 4.2 signal library based on svr3 (4.1+ bsd) interface
+ * From Stephen C. Pope <scp@acl.lanl.gov).
+ */
+
+static int current_mask = 0;
+
+int sigblock(mask)
+int mask;
+{
+    int sig;
+    int m;
+    int oldmask;
+
+    oldmask = current_mask;
+    for ( sig = 1, m = 1; sig <= MAXSIG; sig++, m <<= 1 ) {
+        if (mask & m)  {
+	    sighold(sig);
+            current_mask |= m;
+        }
+    }
+    return oldmask;
+}
+
+int sigsetmask(mask)
+int mask;
+{
+    int sig;
+    int m;
+    int oldmask;
+
+    oldmask = current_mask;
+    for ( sig = 1, m = 1; sig <= MAXSIG; sig++, m <<= 1 ) {
+        if (mask & m)  {
+            sighold(sig);
+            current_mask |= m;
+        }
+        else  {
+            sigrelse(sig);
+            current_mask &= ~m;
+        }
+    }
+    return oldmask;
+}
+
+#endif /* HAS_SVR3_SIGNALS */
diff --git a/usr.sbin/amd/amd/sfs_ops.c b/usr.sbin/amd/amd/sfs_ops.c
new file mode 100644
index 0000000..c1b1eba
--- /dev/null
+++ b/usr.sbin/amd/amd/sfs_ops.c
@@ -0,0 +1,208 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)sfs_ops.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: sfs_ops.c,v 5.2.2.1 1992/02/09 15:09:04 jsp beta $
+ *
+ */
+
+#include "am.h"
+
+#if defined(HAS_SFS) || defined(HAS_SFSX)
+#define NEED_SFS_MATCH
+#define NEED_SFS_UMOUNT
+#endif
+
+/*
+ * Symbol-link file system
+ */
+
+#ifdef HAS_SFSX
+#include <sys/stat.h>
+#endif
+
+#ifdef NEED_SFS_MATCH
+/*
+ * SFS needs a link.
+ */
+static char *sfs_match(fo)
+am_opts *fo;
+{
+	if (!fo->opt_fs) {
+		plog(XLOG_USER, "link: no fs specified");
+		return 0;
+	}
+
+	/*
+	 * Bug report (14/12/89) from Jay Plett <jay@princeton.edu>
+	 * If an automount point has the same name as an existing
+	 * link type mount Amd hits a race condition and either hangs
+	 * or causes a symlink loop.
+	 *
+	 * If fs begins with a '/' change the opt_fs & opt_sublink
+	 * fields so that the fs option doesn't end up pointing at
+	 * an existing symlink.
+	 *
+	 * If sublink is nil then set sublink to fs
+	 * else set sublink to fs / sublink
+	 *
+	 * Finally set fs to ".".
+	 */
+	if (*fo->opt_fs == '/') {
+		char *fullpath;
+		char *link = fo->opt_sublink;
+		if (link) {
+			if (*link == '/')
+				fullpath = strdup(link);
+			else
+				fullpath = str3cat((char *)0, fo->opt_fs, "/", link);
+		} else {
+			fullpath = strdup(fo->opt_fs);
+		}
+
+		if (fo->opt_sublink)
+			free(fo->opt_sublink);
+		fo->opt_sublink = fullpath;
+		fo->opt_fs = str3cat(fo->opt_fs, ".", fullpath, "");
+	}
+
+	return strdup(fo->opt_fs);
+}
+#endif
+
+#ifdef HAS_SFSX
+/*ARGUSED*/
+static int sfsx_mount P((am_node *mp));
+static int sfsx_mount(mp)
+am_node *mp;
+{
+	/*
+	 * Check for existence of target.
+	 */
+	struct stat stb;
+	char *ln;
+
+	if (mp->am_link)
+		ln = mp->am_link;
+	else /* should never occur */
+		ln = mp->am_mnt->mf_mount;
+
+	/*
+	 * Use lstat, not stat, since we don't
+	 * want to know if the ultimate target of
+	 * a symlink chain exists, just the first.
+	 */
+	if (lstat(ln, &stb) < 0)
+		return errno;
+
+	return 0;
+}
+#endif
+
+#ifdef HAS_SFS
+/*ARGUSED*/
+static int sfs_fmount(mf)
+mntfs *mf;
+{
+	/*
+	 * Wow - this is hard to implement!
+	 */
+
+	return 0;
+}
+#endif
+
+#ifdef NEED_SFS_UMOUNT
+/*ARGUSED*/
+static int sfs_fumount(mf)
+mntfs *mf;
+{
+	return 0;
+}
+#endif
+
+/*
+ * Ops structures
+ */
+#ifdef HAS_SFS
+am_ops sfs_ops = {
+	"link",
+	sfs_match,
+	0, /* sfs_init */
+	auto_fmount,
+	sfs_fmount,
+	auto_fumount,
+	sfs_fumount,
+	efs_lookuppn,
+	efs_readdir,
+	0, /* sfs_readlink */
+	0, /* sfs_mounted */
+	0, /* sfs_umounted */
+	find_afs_srvr,
+#ifdef FLUSH_KERNEL_NAME_CACHE
+	FS_UBACKGROUND
+#else /* FLUSH_KERNEL_NAME_CACHE */
+	0
+#endif /* FLUSH_KERNEL_NAME_CACHE */
+};
+
+#endif /* HAS_SFS */
+
+#ifdef HAS_SFSX
+struct am_ops sfsx_ops = {
+	"linkx",
+	sfs_match,
+	0, /* sfsx_init */
+	sfsx_mount,
+	0,
+	auto_fumount,
+	sfs_fumount,
+	efs_lookuppn,
+	efs_readdir,
+	0, /* sfsx_readlink */
+	0, /* sfsx_mounted */
+	0, /* sfsx_umounted */
+	find_afs_srvr,
+#ifdef FLUSH_KERNEL_NAME_CACHE
+	FS_BACKGROUND
+#else /* FLUSH_KERNEL_NAME_CACHE */
+	FS_MBACKGROUND
+#endif /* FLUSH_KERNEL_NAME_CACHE */
+};
+
+#endif /* HAS_SFSX */
diff --git a/usr.sbin/amd/amd/srvr_afs.c b/usr.sbin/amd/amd/srvr_afs.c
new file mode 100644
index 0000000..0440777
--- /dev/null
+++ b/usr.sbin/amd/amd/srvr_afs.c
@@ -0,0 +1,205 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)srvr_afs.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: srvr_afs.c,v 5.2.2.1 1992/02/09 15:09:05 jsp beta $
+ *
+ */
+
+/*
+ * Automount FS server ("localhost") modeling
+ */
+
+#include "am.h"
+
+extern qelem afs_srvr_list;
+qelem afs_srvr_list = { &afs_srvr_list, &afs_srvr_list };
+
+static fserver *localhost;
+
+/*
+ * Find an nfs server for the local host
+ */
+fserver *find_afs_srvr P((mntfs *));
+fserver *find_afs_srvr(mf)
+mntfs *mf;
+{
+	fserver *fs = localhost;
+
+	if (!fs) {
+		fs = ALLOC(fserver);
+		fs->fs_refc = 0;
+		fs->fs_host = strdup("localhost");
+		fs->fs_ip = 0;
+		fs->fs_cid = 0;
+		fs->fs_pinger = 0;
+		fs->fs_flags = FSF_VALID;
+		fs->fs_type = "local";
+		fs->fs_private = 0;
+		fs->fs_prfree = 0;
+
+		ins_que(&fs->fs_q, &afs_srvr_list);
+
+		srvrlog(fs, "starts up");
+
+		localhost = fs;
+	}
+
+	fs->fs_refc++;
+
+	return fs;
+}
+
+/*------------------------------------------------------------------*/
+		/* Generic routines follow */
+
+/*
+ * Wakeup anything waiting for this server
+ */
+void wakeup_srvr P((fserver *fs));
+void wakeup_srvr(fs)
+fserver *fs;
+{
+	fs->fs_flags &= ~FSF_WANT;
+	wakeup((voidp) fs);
+}
+
+/*
+ * Called when final ttl of server has expired
+ */
+static void timeout_srvr P((fserver *fs));
+static void timeout_srvr(fs)
+fserver *fs;
+{
+	/*
+	 * If the reference count is still zero then
+	 * we are free to remove this node
+	 */
+	if (fs->fs_refc == 0) {
+#ifdef DEBUG
+		dlog("Deleting file server %s", fs->fs_host);
+#endif /* DEBUG */
+		if (fs->fs_flags & FSF_WANT)
+			wakeup_srvr(fs);
+
+		/*
+		 * Remove from queue.
+		 */
+		rem_que(&fs->fs_q);
+		/*
+		 * (Possibly) call the private free routine.
+		 */
+		if (fs->fs_private && fs->fs_prfree)
+			(*fs->fs_prfree)(fs->fs_private);
+
+		/*
+		 * Free the net address
+		 */
+		if (fs->fs_ip)
+			free((voidp) fs->fs_ip);
+
+		/*
+		 * Free the host name.
+		 */
+		free((voidp) fs->fs_host);
+
+		/*
+		 * Discard the fserver object.
+		 */
+		free((voidp) fs);
+	}
+}
+
+/*
+ * Free a file server
+ */
+void free_srvr P((fserver *fs));
+void free_srvr(fs)
+fserver *fs;
+{
+	if (--fs->fs_refc == 0) {
+		/*
+		 * The reference count is now zero,
+		 * so arrange for this node to be
+		 * removed in AM_TTL seconds if no
+		 * other mntfs is referencing it.
+		 */
+		int ttl = (fs->fs_flags & (FSF_DOWN|FSF_ERROR)) ? 19 : AM_TTL;
+#ifdef DEBUG
+		dlog("Last hard reference to file server %s - will timeout in %ds", fs->fs_host, ttl);
+#endif /* DEBUG */
+		if (fs->fs_cid) {
+			untimeout(fs->fs_cid);
+			/*
+			 * Turn off pinging - XXX
+			 */
+			fs->fs_flags &= ~FSF_PINGING;
+		}
+		/*
+		 * Keep structure lying around for a while
+		 */
+		fs->fs_cid = timeout(ttl, timeout_srvr, (voidp) fs);
+		/*
+		 * Mark the fileserver down and invalid again
+		 */
+		fs->fs_flags &= ~FSF_VALID;
+		fs->fs_flags |= FSF_DOWN;
+	}
+}
+
+/*
+ * Make a duplicate fserver reference
+ */
+fserver *dup_srvr P((fserver *fs));
+fserver *dup_srvr(fs)
+fserver *fs;
+{
+	fs->fs_refc++;
+	return fs;
+}
+
+/*
+ * Log state change
+ */
+void srvrlog P((fserver *fs, char *state));
+void srvrlog(fs, state)
+fserver *fs;
+char *state;
+{
+	plog(XLOG_INFO, "file server %s type %s %s", fs->fs_host, fs->fs_type, state);
+}
diff --git a/usr.sbin/amd/amd/srvr_nfs.c b/usr.sbin/amd/amd/srvr_nfs.c
new file mode 100644
index 0000000..4987c95
--- /dev/null
+++ b/usr.sbin/amd/amd/srvr_nfs.c
@@ -0,0 +1,719 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)srvr_nfs.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: srvr_nfs.c,v 5.2.2.1 1992/02/09 15:09:06 jsp beta $
+ *
+ */
+
+/*
+ * NFS server modeling
+ */
+
+#include "am.h"
+#include <netdb.h>
+#include <rpc/pmap_prot.h>
+#include "mount.h"
+
+extern qelem nfs_srvr_list;
+qelem nfs_srvr_list = { &nfs_srvr_list, &nfs_srvr_list };
+
+typedef struct nfs_private {
+	u_short np_mountd;	/* Mount daemon port number */
+	char np_mountd_inval;	/* Port *may* be invalid */
+	int np_ping;		/* Number of failed ping attempts */
+	time_t np_ttl;		/* Time when server is thought dead */
+	int np_xid;		/* RPC transaction id for pings */
+	int np_error;		/* Error during portmap request */
+} nfs_private;
+
+static int np_xid;	/* For NFS pings */
+#define	NPXID_ALLOC()	(++np_xid)
+/*#define	NPXID_ALLOC()	((++np_xid&0x0fffffff) == 0 ? npxid_gc() : np_xid)*/
+
+/*
+ * Number of pings allowed to fail before host is declared down
+ * - three-fifths of the allowed mount time...
+#define	MAX_ALLOWED_PINGS	((((ALLOWED_MOUNT_TIME + 5 * AM_PINGER - 1) * 3) / 5) / AM_PINGER)
+ */
+#define	MAX_ALLOWED_PINGS	(3 + /* for luck ... */ 1)
+
+/*
+ * How often to ping when starting a new server
+ */
+#define	FAST_NFS_PING		3
+
+#if (FAST_NFS_PING * MAX_ALLOWED_PINGS) >= ALLOWED_MOUNT_TIME
+ #error: sanity check failed
+/*
+ you cannot do things this way...
+ sufficient fast pings must be given the chance to fail
+ within the allowed mount time
+ */
+#endif /* (FAST_NFS_PING * MAX_ALLOWED_PINGS) >= ALLOWED_MOUNT_TIME */
+
+static int ping_len;
+static char ping_buf[sizeof(struct rpc_msg) + 32];
+
+/*
+ * Flush any cached data
+ */
+void flush_srvr_nfs_cache P((void));
+void flush_srvr_nfs_cache()
+{
+	fserver *fs = 0;
+
+	ITER(fs, fserver, &nfs_srvr_list) {
+		nfs_private *np = (nfs_private *) fs->fs_private;
+		if (np) {
+			np->np_mountd_inval = TRUE;
+			np->np_error = -1;
+		}
+	}
+}
+
+/*
+ * Startup the NFS ping
+ */
+static void start_ping(P_void);
+static void start_ping()
+{
+	XDR ping_xdr;
+	struct rpc_msg ping_msg;
+
+	rpc_msg_init(&ping_msg, NFS_PROGRAM, NFS_VERSION, NFSPROC_NULL);
+
+	/*
+	 * Create an XDR endpoint
+	 */
+	xdrmem_create(&ping_xdr, ping_buf, sizeof(ping_buf), XDR_ENCODE);
+
+	/*
+	 * Create the NFS ping message
+	 */
+	if (!xdr_callmsg(&ping_xdr, &ping_msg)) {
+		plog(XLOG_ERROR, "Couldn't create ping RPC message");
+		going_down(3);
+	}
+
+	/*
+	 * Find out how long it is
+	 */
+	ping_len = xdr_getpos(&ping_xdr);
+
+	/*
+	 * Destroy the XDR endpoint - we don't need it anymore
+	 */
+	xdr_destroy(&ping_xdr);
+}
+
+
+/*
+ * Called when a portmap reply arrives
+ */
+/*ARGSUSED*/
+static void got_portmap P((voidp pkt, int len, struct sockaddr_in *sa, struct sockaddr_in *ia, voidp idv, int done));
+static void got_portmap(pkt, len, sa, ia, idv, done)
+voidp pkt;
+int len;
+struct sockaddr_in *sa;
+struct sockaddr_in *ia;
+voidp idv;
+int done;
+{
+	fserver *fs2 = (fserver *) idv;
+	fserver *fs = 0;
+
+	/*
+	 * Find which fileserver we are talking about
+	 */
+	ITER(fs, fserver, &nfs_srvr_list)
+		if (fs == fs2)
+			break;
+
+	if (fs == fs2) {
+		u_long port = 0;	/* XXX - should be short but protocol is naff */
+		int error = done ? pickup_rpc_reply(pkt, len, (voidp) &port, xdr_u_long) : -1;
+		nfs_private *np = (nfs_private *) fs->fs_private;
+		if (!error && port) {
+#ifdef DEBUG
+			dlog("got port (%d) for mountd on %s", port, fs->fs_host);
+#endif /* DEBUG */
+			/*
+			 * Grab the port number.  Portmap sends back
+			 * an unsigned long in native ordering, so it
+			 * needs converting to a unsigned short in
+			 * network ordering.
+			 */
+			np->np_mountd = htons((u_short) port);
+			np->np_mountd_inval = FALSE;
+			np->np_error = 0;
+		} else {
+#ifdef DEBUG
+			dlog("Error fetching port for mountd on %s", fs->fs_host);
+#endif /* DEBUG */
+			/*
+			 * Almost certainly no mountd running on remote host
+			 */
+			np->np_error = error ? error : ETIMEDOUT;
+		}
+		if (fs->fs_flags & FSF_WANT)
+			wakeup_srvr(fs);
+	} else if (done) {
+#ifdef DEBUG
+		dlog("Got portmap for old port request");
+#endif /* DEBUG */
+	} else {
+#ifdef DEBUG
+		dlog("portmap request timed out");
+#endif /* DEBUG */
+	}
+}
+
+/*
+ * Obtain portmap information
+ */
+static int call_portmap P((fserver *fs, AUTH *auth, unsigned long prog, unsigned long vers, unsigned long prot));
+static int call_portmap(fs, auth, prog, vers, prot)
+fserver *fs;
+AUTH *auth;
+unsigned long prog, vers, prot;
+{
+	struct rpc_msg pmap_msg;
+	int len;
+	char iobuf[UDPMSGSIZE];
+	int error;
+	struct pmap pmap;
+
+	rpc_msg_init(&pmap_msg, PMAPPROG, PMAPVERS, (unsigned long) 0);
+	pmap.pm_prog = prog;
+	pmap.pm_vers = vers;
+	pmap.pm_prot = prot;
+	pmap.pm_port = 0;
+	len = make_rpc_packet(iobuf, sizeof(iobuf), PMAPPROC_GETPORT,
+			&pmap_msg, (voidp) &pmap, xdr_pmap, auth);
+	if (len > 0) {
+		struct sockaddr_in sin;
+		bzero((voidp) &sin, sizeof(sin));
+		sin = *fs->fs_ip;
+		sin.sin_port = htons(PMAPPORT);
+		error = fwd_packet(RPC_XID_PORTMAP, (voidp) iobuf, len,
+				&sin, &sin, (voidp) fs, got_portmap);
+	} else {
+		error = -len;
+	}
+	return error;
+}
+
+static void nfs_keepalive P((fserver*));
+
+static void recompute_portmap P((fserver *fs));
+static void recompute_portmap(fs)
+fserver *fs;
+{				
+	int error;
+
+	if (nfs_auth)
+		error = 0;
+	else
+		error = make_nfs_auth();
+
+	if (error) {
+		nfs_private *np = (nfs_private *) fs->fs_private;
+		np->np_error = error;
+	} else {
+		call_portmap(fs, nfs_auth, MOUNTPROG,
+			MOUNTVERS, (unsigned long) IPPROTO_UDP);
+	}
+}
+
+/*
+ * This is called when we get a reply to an RPC ping.
+ * The value of id was taken from the nfs_private
+ * structure when the ping was transmitted.
+ */
+/*ARGSUSED*/
+static void nfs_pinged P((voidp pkt, int len, struct sockaddr_in *sp, struct sockaddr_in *tsp, voidp idv, int done));
+static void nfs_pinged(pkt, len, sp, tsp, idv, done)
+voidp pkt;
+int len;
+struct sockaddr_in *sp;
+struct sockaddr_in *tsp;
+voidp idv;
+int done;
+{
+	int xid = (int) idv;
+	fserver *fs;
+#ifdef DEBUG
+	int found_map = 0;
+#endif /* DEBUG */
+
+	if (!done)
+		return;
+
+	/*
+	 * For each node...
+	 */
+	ITER(fs, fserver, &nfs_srvr_list) {
+		nfs_private *np = (nfs_private *) fs->fs_private;
+		if (np->np_xid == xid) {
+			/*
+			 * Reset the ping counter.
+			 * Update the keepalive timer.
+			 * Log what happened.
+			 */
+			if (fs->fs_flags & FSF_DOWN) {
+				fs->fs_flags &= ~FSF_DOWN;
+				if (fs->fs_flags & FSF_VALID) {
+					srvrlog(fs, "is up");
+				} else {
+					if (np->np_ping > 1)
+						srvrlog(fs, "ok");
+#ifdef DEBUG
+					else
+						srvrlog(fs, "starts up");
+#endif
+					fs->fs_flags |= FSF_VALID;
+				}
+
+#ifdef notdef
+				/* why ??? */
+				if (fs->fs_flags & FSF_WANT)
+					wakeup_srvr(fs);
+#endif /* notdef */
+				map_flush_srvr(fs);
+			} else {
+				if (fs->fs_flags & FSF_VALID) {
+#ifdef DEBUG
+					dlog("file server %s type nfs is still up", fs->fs_host);
+#endif /* DEBUG */
+				} else {
+					if (np->np_ping > 1)
+						srvrlog(fs, "ok");
+					fs->fs_flags |= FSF_VALID;
+				}
+			}
+
+			/*
+			 * Adjust ping interval
+			 */
+			untimeout(fs->fs_cid);
+			fs->fs_cid = timeout(fs->fs_pinger, nfs_keepalive, (voidp) fs);
+
+			/*
+			 * Update ttl for this server
+			 */
+			np->np_ttl = clocktime() +
+				(MAX_ALLOWED_PINGS - 1) * FAST_NFS_PING + fs->fs_pinger - 1;
+
+			/*
+			 * New RPC xid...
+			 */
+			np->np_xid = NPXID_ALLOC();
+
+			/*
+			 * Failed pings is zero...
+			 */
+			np->np_ping = 0;
+
+			/*
+			 * Recompute portmap information if not known
+			 */
+			if (np->np_mountd_inval)
+				recompute_portmap(fs);
+
+#ifdef DEBUG	
+			found_map++;
+#endif /* DEBUG */
+			break;
+		}
+	}
+
+#ifdef DEBUG
+	if (found_map == 0)
+		dlog("Spurious ping packet");
+#endif /* DEBUG */
+}
+
+/*
+ * Called when no ping-reply received
+ */
+static void nfs_timed_out P((fserver *fs));
+static void nfs_timed_out(fs)
+fserver *fs;
+{
+	nfs_private *np = (nfs_private *) fs->fs_private;
+
+	/*
+	 * Another ping has failed
+	 */
+	np->np_ping++;
+
+	/*
+	 * Not known to be up any longer
+	 */
+	if (FSRV_ISUP(fs)) {
+		fs->fs_flags &= ~FSF_VALID;
+		if (np->np_ping > 1)
+			srvrlog(fs, "not responding");
+	}
+
+	/*
+	 * If ttl has expired then guess that it is dead
+	 */
+	if (np->np_ttl < clocktime()) {
+		int oflags = fs->fs_flags;
+		if ((fs->fs_flags & FSF_DOWN) == 0) {
+			/*
+			 * Server was up, but is now down.
+			 */
+			srvrlog(fs, "is down");
+			fs->fs_flags |= FSF_DOWN|FSF_VALID;
+			/*
+			 * Since the server is down, the portmap
+			 * information may now be wrong, so it
+			 * must be flushed from the local cache
+			 */
+			flush_nfs_fhandle_cache(fs);
+			np->np_error = -1;
+#ifdef notdef
+			/*
+			 * Pretend just one ping has failed now
+			 */
+			np->np_ping = 1;
+#endif
+		} else {
+			/*
+			 * Known to be down
+			 */
+#ifdef DEBUG
+			if ((fs->fs_flags & FSF_VALID) == 0)
+				srvrlog(fs, "starts down");
+#endif
+			fs->fs_flags |= FSF_VALID;
+		}
+		if (oflags != fs->fs_flags && (fs->fs_flags & FSF_WANT))
+			wakeup_srvr(fs);
+	} else {
+#ifdef DEBUG
+		if (np->np_ping > 1)
+			dlog("%d pings to %s failed - at most %d allowed", np->np_ping, fs->fs_host, MAX_ALLOWED_PINGS);
+#endif /* DEBUG */
+	}
+
+	/*
+	 * Run keepalive again
+	 */
+	nfs_keepalive(fs);
+}
+
+/*
+ * Keep track of whether a server is alive
+ */
+static void nfs_keepalive P((fserver *fs));
+static void nfs_keepalive(fs)
+fserver *fs;
+{
+	int error;
+	nfs_private *np = (nfs_private *) fs->fs_private;
+	int fstimeo = -1;
+
+	/*
+	 * Send an NFS ping to this node
+	 */
+
+	if (ping_len == 0)
+		start_ping();
+
+	/*
+	 * Queue the packet...
+	 */
+	error = fwd_packet(MK_RPC_XID(RPC_XID_NFSPING, np->np_xid), (voidp) ping_buf,
+		ping_len, fs->fs_ip, (struct sockaddr_in *) 0, (voidp) np->np_xid, nfs_pinged);
+
+	/*
+	 * See if a hard error occured
+	 */
+	switch (error) {
+	case ENETDOWN:
+	case ENETUNREACH:
+	case EHOSTDOWN:
+	case EHOSTUNREACH:
+		np->np_ping = MAX_ALLOWED_PINGS;	/* immediately down */
+		np->np_ttl = (time_t) 0;
+		/*
+		 * This causes an immediate call to nfs_timed_out
+		 * whenever the server was thought to be up.
+		 * See +++ below.
+		 */
+		fstimeo = 0;
+		break;
+
+	case 0:
+#ifdef DEBUG
+		dlog("Sent NFS ping to %s", fs->fs_host);
+#endif /* DEBUG */
+		break;
+	}
+
+#ifdef DEBUG
+	/*dlog("keepalive, ping = %d", np->np_ping);*/
+#endif /* DEBUG */
+
+	/*
+	 * Back off the ping interval if we are not getting replies and
+	 * the remote system is know to be down.
+	 */
+	switch (fs->fs_flags & (FSF_DOWN|FSF_VALID)) {
+	case FSF_VALID:			/* Up */
+		if (fstimeo < 0)	/* +++ see above */
+			fstimeo = FAST_NFS_PING;
+		break;
+
+	case FSF_VALID|FSF_DOWN:	/* Down */
+		fstimeo = fs->fs_pinger;
+		break;
+
+	default:			/* Unknown */
+		fstimeo = FAST_NFS_PING;
+		break;
+	}
+
+#ifdef DEBUG
+	dlog("NFS timeout in %d seconds", fstimeo);
+#endif /* DEBUG */
+
+	fs->fs_cid = timeout(fstimeo, nfs_timed_out, (voidp) fs);
+}
+
+int nfs_srvr_port P((fserver *fs, u_short *port, voidp wchan));
+int nfs_srvr_port(fs, port, wchan)
+fserver *fs;
+u_short *port;
+voidp wchan;
+{
+	int error = -1;
+	if ((fs->fs_flags & FSF_VALID) == FSF_VALID) {
+		if ((fs->fs_flags & FSF_DOWN) == 0) {
+			nfs_private *np = (nfs_private *) fs->fs_private;
+			if (np->np_error == 0) {
+				*port = np->np_mountd;
+				error = 0;
+			} else {
+				error = np->np_error;
+			}
+			/*
+			 * Now go get the port mapping again in case it changed.
+			 * Note that it is used even if (np_mountd_inval)
+			 * is True.  The flag is used simply as an
+			 * indication that the mountd may be invalid, not
+			 * that it is known to be invalid.
+			 */
+			if (np->np_mountd_inval)
+				recompute_portmap(fs);
+			else
+				np->np_mountd_inval = TRUE;
+		} else {
+			error = EWOULDBLOCK;
+		}
+	}
+	if (error < 0 && wchan && !(fs->fs_flags & FSF_WANT)) {
+		/*
+		 * If a wait channel is supplied, and no
+		 * error has yet occured, then arrange
+		 * that a wakeup is done on the wait channel,
+		 * whenever a wakeup is done on this fs node.
+		 * Wakeup's are done on the fs node whenever
+		 * it changes state - thus causing control to
+		 * come back here and new, better things to happen.
+		 */
+		fs->fs_flags |= FSF_WANT;
+		sched_task(wakeup_task, wchan, (voidp) fs);
+	}
+	return error;
+}
+
+static void start_nfs_pings P((fserver *fs, int pingval));
+static void start_nfs_pings(fs, pingval)
+fserver *fs;
+int pingval;
+{
+	if (!(fs->fs_flags & FSF_PINGING)) {
+		fs->fs_flags |= FSF_PINGING;
+		if (fs->fs_cid)
+			untimeout(fs->fs_cid);
+		if (pingval < 0) {
+			srvrlog(fs, "wired up");
+			fs->fs_flags |= FSF_VALID;
+			fs->fs_flags &= ~FSF_DOWN;
+		} else {
+			nfs_keepalive(fs);
+		}
+	} else {
+#ifdef DEBUG
+		dlog("Already running pings to %s", fs->fs_host);
+#endif /* DEBUG */
+	}
+}
+
+/*
+ * Find an nfs server for a host.
+ */
+fserver *find_nfs_srvr P((mntfs *mf));
+fserver *find_nfs_srvr(mf)
+mntfs *mf;
+{
+	fserver *fs;
+	struct hostent *hp = 0;
+	char *host = mf->mf_fo->opt_rhost;
+	struct sockaddr_in *ip;
+	nfs_private *np;
+	int pingval;
+
+	/*
+	 * Get ping interval from mount options.
+	 * Current only used to decide whether pings
+	 * are required or not.  < 0 = no pings.
+	 */
+	{ struct mntent mnt;
+	  mnt.mnt_opts = mf->mf_mopts;
+	  pingval = hasmntval(&mnt, "ping");
+#ifdef HAS_TCP_NFS
+	  /*
+	   * Over TCP mount, don't bother to do pings.
+	   * This is experimental - maybe you want to
+	   * do pings anyway...
+	   */
+	  if (pingval == 0 && hasmntopt(&mnt, "tcp"))
+		pingval = -1;
+#endif /* HAS_TCP_NFS */
+	}
+
+
+	/*
+	 * lookup host address and canonical name
+	 */
+	hp = gethostbyname(host);
+
+	/*
+	 * New code from Bob Harris <harris@basil-rathbone.mit.edu>
+	 * Use canonical name to keep track of file server
+	 * information.  This way aliases do not generate
+	 * multiple NFS pingers.  (Except when we're normalizing
+	 * hosts.)
+	 */
+	if (hp && !normalize_hosts) host = hp->h_name;
+
+	ITER(fs, fserver, &nfs_srvr_list) {
+		if (STREQ(host, fs->fs_host)) {
+			start_nfs_pings(fs, pingval);
+			fs->fs_refc++;
+			return fs;
+		}
+	}
+
+
+
+	/*
+	 * Get here if we can't find an entry
+	 */
+	if (hp) {
+		switch (hp->h_addrtype) {
+		case AF_INET:
+			ip = ALLOC(sockaddr_in);
+			bzero((voidp) ip, sizeof(*ip));
+			ip->sin_family = AF_INET;
+			bcopy((voidp) hp->h_addr, (voidp) &ip->sin_addr, sizeof(ip->sin_addr));
+
+			ip->sin_port = htons(NFS_PORT);
+			break;
+
+		default:
+			ip = 0;
+			break;
+		}
+	} else {
+		plog(XLOG_USER, "Unknown host: %s", host);
+		ip = 0;
+	}
+
+	/*
+	 * Allocate a new server
+	 */
+	fs = ALLOC(fserver);
+	fs->fs_refc = 1;
+	fs->fs_host = strdup(hp ? hp->h_name : "unknown_hostname");
+	if (normalize_hosts) host_normalize(&fs->fs_host);
+	fs->fs_ip = ip;
+	fs->fs_cid = 0;
+	if (ip) {
+		fs->fs_flags = FSF_DOWN;	/* Starts off down */
+	} else {
+		fs->fs_flags = FSF_ERROR|FSF_VALID;
+		mf->mf_flags |= MFF_ERROR;
+		mf->mf_error = ENOENT;
+	}
+	fs->fs_type = "nfs";
+	fs->fs_pinger = AM_PINGER;
+	np = ALLOC(nfs_private);
+	bzero((voidp) np, sizeof(*np));
+	np->np_mountd_inval = TRUE;
+	np->np_xid = NPXID_ALLOC();
+	np->np_error = -1;
+	/*
+	 * Initially the server will be deemed dead after
+	 * MAX_ALLOWED_PINGS of the fast variety have failed.
+	 */
+	np->np_ttl = clocktime() + MAX_ALLOWED_PINGS * FAST_NFS_PING - 1;
+	fs->fs_private = (voidp) np;
+	fs->fs_prfree = (void (*)()) free;
+
+	if (!(fs->fs_flags & FSF_ERROR)) {
+		/*
+		 * Start of keepalive timer
+		 */
+		start_nfs_pings(fs, pingval);
+	}
+
+	/*
+	 * Add to list of servers
+	 */
+	ins_que(&fs->fs_q, &nfs_srvr_list);
+
+	return fs;
+}
diff --git a/usr.sbin/amd/amd/ufs_ops.c b/usr.sbin/amd/amd/ufs_ops.c
new file mode 100644
index 0000000..fd81c37
--- /dev/null
+++ b/usr.sbin/amd/amd/ufs_ops.c
@@ -0,0 +1,178 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)ufs_ops.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: ufs_ops.c,v 5.2.2.1 1992/02/09 15:09:08 jsp beta $
+ *
+ */
+
+#include "am.h"
+
+#ifdef HAS_UFS
+
+#include <sys/stat.h>
+#ifdef NFS_3
+typedef nfs_fh fhandle_t;
+#endif /* NFS_3 */
+
+#ifdef UFS_HDR
+#include UFS_HDR
+#endif /* UFS_HDR */
+
+#include <sys/mount.h>
+
+/*
+ * UN*X file system
+ */
+
+/*
+ * UFS needs local filesystem and device.
+ */
+static char *ufs_match P((am_opts *fo));
+static char *ufs_match(fo)
+am_opts *fo;
+{
+	if (!fo->opt_dev) {
+		plog(XLOG_USER, "ufs: no device specified");
+		return 0;
+	}
+
+#ifdef DEBUG
+	dlog("UFS: mounting device \"%s\" on \"%s\"",
+		fo->opt_dev, fo->opt_fs);
+#endif /* DEBUG */
+
+	/*
+	 * Determine magic cookie to put in mtab
+	 */
+	return strdup(fo->opt_dev);
+}
+
+static mount_ufs(dir, fs_name, opts)
+char *dir;
+char *fs_name;
+char *opts;
+{
+	struct ufs_args ufs_args;
+	struct mntent mnt;
+	int flags;
+
+	/*
+	 * Figure out the name of the file system type.
+	 */
+#ifdef M_NEWTYPE
+	char *type = MOUNT_TYPE_UFS;
+#else
+	int type = MOUNT_TYPE_UFS;
+#endif /* M_NEWTYPE */
+
+	bzero((voidp) &ufs_args, sizeof(ufs_args));	/* Paranoid */
+
+	/*
+	 * Fill in the mount structure
+	 */
+	mnt.mnt_dir = dir;
+	mnt.mnt_fsname = fs_name;
+	mnt.mnt_type = MTAB_TYPE_UFS;
+	mnt.mnt_opts = opts;
+	mnt.mnt_freq = 1;
+	mnt.mnt_passno = 2;
+
+	flags = compute_mount_flags(&mnt);
+
+#ifdef ULTRIX_HACK
+	ufs_args.ufs_flags = flags;
+	ufs_args.ufs_pgthresh = 64; /* 64K - XXX */
+	flags &= M_RDONLY;
+#else
+	ufs_args.fspec = fs_name;
+#endif /* ULTRIX_HACK */
+
+	/*
+	 * Call generic mount routine
+	 */
+	return mount_fs(&mnt, flags, (caddr_t) &ufs_args, 0, type);
+}
+
+/*ARGSUSED*/
+static int ufs_fmount(mf)
+mntfs *mf;
+{
+	int error;
+
+	error = mount_ufs(mf->mf_mount, mf->mf_info, mf->mf_mopts);
+	if (error) {
+		errno = error;
+		plog(XLOG_ERROR, "mount_ufs: %m");
+		return error;
+	}
+
+	return 0;
+}
+
+static int ufs_fumount(mf)
+mntfs *mf;
+{
+	return UMOUNT_FS(mf->mf_mount);
+}
+
+/*
+ * Ops structure
+ */
+am_ops ufs_ops = {
+	"ufs",
+	ufs_match,
+	0, /* ufs_init */
+	auto_fmount,
+	ufs_fmount,
+	auto_fumount,
+	ufs_fumount,
+	efs_lookuppn,
+	efs_readdir,
+	0, /* ufs_readlink */
+	0, /* ufs_mounted */
+	0, /* ufs_umounted */
+	find_afs_srvr,
+#ifdef FLUSH_KERNEL_NAME_CACHE
+	FS_MKMNT|FS_NOTIMEOUT|FS_UBACKGROUND|FS_AMQINFO
+#else /* FLUSH_KERNEL_NAME_CACHE */
+	FS_MKMNT|FS_NOTIMEOUT|FS_UBACKGROUND|FS_AMQINFO
+#endif /* FLUSH_KERNEL_NAME_CACHE */
+};
+
+#endif /* HAS_UFS */
diff --git a/usr.sbin/amd/amd/umount_fs.c b/usr.sbin/amd/amd/umount_fs.c
new file mode 100644
index 0000000..2c3e73d
--- /dev/null
+++ b/usr.sbin/amd/amd/umount_fs.c
@@ -0,0 +1,225 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)umount_fs.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: umount_fs.c,v 5.2.2.1 1992/02/09 15:09:10 jsp beta $
+ *
+ */
+
+#include "am.h"
+
+#ifdef NEED_UMOUNT_BSD
+
+int umount_fs P((char *fs_name));
+int umount_fs(fs_name)
+char *fs_name;
+{
+	int error;
+
+eintr:
+	error = unmount(fs_name, 0);
+	if (error < 0)
+		error = errno;
+
+	switch (error) {
+	case EINVAL:
+	case ENOTBLK:
+	case ENOENT:
+		plog(XLOG_WARNING, "unmount: %s is not mounted", fs_name);
+		error = 0;	/* Not really an error */
+		break;
+
+	case EINTR:
+#ifdef DEBUG
+		/* not sure why this happens, but it does.  ask kirk one day... */
+		dlog("%s: unmount: %m", fs_name);
+#endif /* DEBUG */
+		goto eintr;
+
+#ifdef DEBUG
+	default:
+		dlog("%s: unmount: %m", fs_name);
+		break;
+#endif /* DEBUG */
+	}
+
+	return error;
+}
+
+#endif /* NEED_UMOUNT_BSD */
+
+#ifdef NEED_UMOUNT_OSF
+
+#include <sys/mount.h>		/* For MNT_NOFORCE */
+
+int umount_fs(fs_name)
+char *fs_name;
+{
+	int error;
+
+eintr:
+	error = umount(fs_name, MNT_NOFORCE);
+	if (error < 0)
+		error = errno;
+
+	switch (error) {
+	case EINVAL:
+	case ENOTBLK:
+		plog(XLOG_WARNING, "unmount: %s is not mounted", fs_name);
+		error = 0;	/* Not really an error */
+		break;
+
+	case ENOENT:
+		plog(XLOG_ERROR, "mount point %s: %m", fs_name);
+		break;
+
+	case EINTR:
+#ifdef DEBUG
+		/* not sure why this happens, but it does.  ask kirk one day... */
+		dlog("%s: unmount: %m", fs_name);
+#endif /* DEBUG */
+		goto eintr;
+
+#ifdef DEBUG
+	default:
+		dlog("%s: unmount: %m", fs_name);
+		break;
+#endif /* DEBUG */
+	}
+
+	return error;
+}
+
+#endif /* NEED_UMOUNT_OSF */
+
+#ifdef NEED_UMOUNT_FS
+
+int umount_fs(fs_name)
+char *fs_name;
+{
+	mntlist *mlist, *mp, *mp_save = 0;
+	int error = 0;
+
+	mp = mlist = read_mtab(fs_name);
+
+	/*
+	 * Search the mount table looking for
+	 * the correct (ie last) matching entry
+	 */
+	while (mp) {
+		if (strcmp(mp->mnt->mnt_fsname, fs_name) == 0 ||
+				strcmp(mp->mnt->mnt_dir, fs_name) == 0)
+			mp_save = mp;
+		mp = mp->mnext;
+	}
+
+	if (mp_save) {
+#ifdef DEBUG
+		dlog("Trying unmount(%s)", mp_save->mnt->mnt_dir);
+#endif /* DEBUG */
+		/*
+		 * This unmount may hang leaving this
+		 * process with an exlusive lock on
+		 * /etc/mtab. Therefore it is necessary
+		 * to unlock mtab, do the unmount, then
+		 * lock mtab (again) and reread it and
+		 * finally update it.
+		 */
+		unlock_mntlist();
+		if (UNMOUNT_TRAP(mp_save->mnt) < 0) {
+			switch (error = errno) {
+			case EINVAL:
+			case ENOTBLK:
+				plog(XLOG_WARNING, "unmount: %s is not mounted", mp_save->mnt->mnt_dir);
+				error = 0;	/* Not really an error */
+				break;
+
+			case ENOENT:
+				plog(XLOG_ERROR, "mount point %s: %m", mp_save->mnt->mnt_dir);
+				break;
+
+			default:
+#ifdef DEBUG
+				dlog("%s: unmount: %m", mp_save->mnt->mnt_dir);
+#endif /* DEBUG */
+				break;
+			}
+		}
+#ifdef DEBUG
+		dlog("Finished unmount(%s)", mp_save->mnt->mnt_dir);
+#endif
+
+
+#ifdef UPDATE_MTAB
+		if (!error) {
+		        free_mntlist(mlist);
+			mp = mlist = read_mtab(fs_name);
+			
+			/*
+			 * Search the mount table looking for
+			 * the correct (ie last) matching entry
+			 */
+			mp_save = 0;
+			while (mp) {
+				if (strcmp(mp->mnt->mnt_fsname, fs_name) == 0 ||
+						strcmp(mp->mnt->mnt_dir, fs_name) == 0)
+					mp_save = mp;
+				mp = mp->mnext;
+			}
+			
+			if (mp_save) {
+				mnt_free(mp_save->mnt);
+				mp_save->mnt = 0;
+				rewrite_mtab(mlist);
+			}
+		}
+#endif /* UPDATE_MTAB */
+	} else {
+		plog(XLOG_ERROR, "Couldn't find how to unmount %s", fs_name);
+		/*
+		 * Assume it is already unmounted
+		 */
+		error = 0;
+	}
+
+	free_mntlist(mlist);
+
+	return error;
+}
+
+#endif /* NEED_UMOUNT_FS */
diff --git a/usr.sbin/amd/amd/util.c b/usr.sbin/amd/amd/util.c
new file mode 100644
index 0000000..8503cc8
--- /dev/null
+++ b/usr.sbin/amd/amd/util.c
@@ -0,0 +1,648 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)util.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: util.c,v 5.2.2.2 1992/03/07 17:52:06 jsp Exp $
+ *
+ */
+
+/*
+ * Utils
+ */
+
+#include "am.h"
+#include <ctype.h>
+#include <sys/stat.h>
+#include <netdb.h>
+
+
+char *strnsave(str, len)
+Const char *str;
+int len;
+{
+	char *sp = (char *) xmalloc(len+1);
+
+	bcopy(str, sp, len);
+	sp[len] = 0;
+
+	return sp;
+}
+
+char *strdup(s)
+Const char *s;
+{
+	return strnsave(s, strlen(s));
+}
+
+/*
+ * Concatenate three strings and store in buffer pointed to
+ * by p, making p large enough to hold the strings
+ */
+char *str3cat(p, s1, s2, s3)
+char *p;
+char *s1;
+char *s2;
+char *s3;
+{
+	int l1 = strlen(s1);
+	int l2 = strlen(s2);
+	int l3 = strlen(s3);
+	p = (char *) xrealloc(p, l1 + l2 + l3 + 1);
+	bcopy(s1, p, l1);
+	bcopy(s2, p + l1, l2);
+	bcopy(s3, p + l1 + l2, l3 + 1);
+	return p;
+}
+
+char *strealloc(p, s)
+char *p;
+char *s;
+{
+	int len = strlen(s) + 1;
+
+	p = (char *) xrealloc((voidp) p, len);
+
+	strcpy(p, s);
+#ifdef DEBUG_MEM
+	malloc_verify();
+#endif /* DEBUG_MEM */
+	return p;
+}
+
+char **strsplit P((char *s, int ch, int qc));
+char **strsplit(s, ch, qc)
+char *s;
+int ch;
+int qc;
+{
+	char **ivec;
+	int ic = 0;
+	int done = 0;
+
+	ivec = (char **) xmalloc((ic+1)*sizeof(char *));
+
+	while (!done) {
+		char *v;
+		/*
+		 * skip to split char
+		 */
+		while (*s && (ch == ' ' ? (isascii(*s) && isspace(*s)) : *s == ch))
+				*s++ = '\0';
+
+		/*
+		 * End of string?
+		 */
+		if (!*s)
+			break;
+
+		/*
+		 * remember start of string
+		 */
+		v = s;
+
+		/*
+		 * skip to split char
+		 */
+		while (*s && !(ch == ' ' ? (isascii(*s) && isspace(*s)) : *s == ch)) {
+			if (*s++ == qc) {
+				/*
+				 * Skip past string.
+				 */
+				s++;
+				while (*s && *s != qc)
+				 	s++;
+				if (*s == qc)
+					s++;
+			}
+		}
+
+		if (!*s)
+			done = 1;
+		*s++ = '\0';
+
+		/*
+		 * save string in new ivec slot
+		 */
+		ivec[ic++] = v;
+		ivec = (char **) xrealloc((voidp) ivec, (ic+1)*sizeof(char *));
+#ifdef DEBUG
+		Debug(D_STR)
+			plog(XLOG_DEBUG, "strsplit saved \"%s\"", v);
+#endif /* DEBUG */
+	}
+
+#ifdef DEBUG
+	Debug(D_STR)
+		plog(XLOG_DEBUG, "strsplit saved a total of %d strings", ic);
+#endif /* DEBUG */
+
+	ivec[ic] = 0;
+
+	return ivec;
+}
+
+/*
+ * Strip off the trailing part of a domain
+ * to produce a short-form domain relative
+ * to the local host domain.
+ * Note that this has no effect if the domain
+ * names do not have the same number of
+ * components.  If that restriction proves
+ * to be a problem then the loop needs recoding
+ * to skip from right to left and do partial
+ * matches along the way -- ie more expensive.
+ */
+static void domain_strip P((char *otherdom, char *localdom));
+static void domain_strip(otherdom, localdom)
+char *otherdom, *localdom;
+{
+#ifdef PARTIAL_DOMAINS
+        char *p1 = otherdom-1;
+	char *p2 = localdom-1;
+
+        do {
+                if (p1 = strchr(p1+1, '.'))
+                if (p2 = strchr(p2+1, '.'))
+                if (strcmp(p1+1, p2+1) == 0) {
+                        *p1 = '\0';
+                        break;
+                }
+        } while (p1 && p2);
+#else
+	char *p1, *p2;
+
+	if ((p1 = strchr(otherdom, '.')) &&
+			(p2 = strchr(localdom, '.')) &&
+			(strcmp(p1+1, p2+1) == 0))
+		*p1 = '\0';
+#endif /* PARTIAL_DOMAINS */
+}
+
+/*
+ * Normalize a host name
+ */
+void host_normalize P((char **chp));
+void host_normalize(chp)
+char **chp;
+{
+	/*
+	 * Normalize hosts is used to resolve host name aliases
+	 * and replace them with the standard-form name.
+	 * Invoked with "-n" command line option.
+	 */
+	if (normalize_hosts) {
+		struct hostent *hp;
+		clock_valid = 0;
+		hp = gethostbyname(*chp);
+		if (hp && hp->h_addrtype == AF_INET) {
+#ifdef DEBUG
+			dlog("Hostname %s normalized to %s", *chp, hp->h_name);
+#endif /* DEBUG */
+			*chp = strealloc(*chp, hp->h_name);
+		}
+	}
+	domain_strip(*chp, hostd);
+}
+
+/*
+ * Make a dotted quad from a 32bit IP address
+ * addr is in network byte order.
+ * sizeof(buf) needs to be at least 16.
+ */
+char *inet_dquad P((char *buf, unsigned long addr));
+char *inet_dquad(buf, addr)
+char *buf;
+unsigned long addr;
+{
+	addr = ntohl(addr);
+	sprintf(buf, "%d.%d.%d.%d",
+		((addr >> 24) & 0xff),
+		((addr >> 16) & 0xff),
+		((addr >> 8) & 0xff),
+		((addr >> 0) & 0xff));
+	return buf;
+}
+
+/*
+ * Keys are not allowed to contain " ' ! or ; to avoid
+ * problems with macro expansions.
+ */
+static char invalid_keys[] = "\"'!;@ \t\n";
+int valid_key P((char *key));
+int valid_key(key)
+char *key;
+{
+	while (*key)
+		if (strchr(invalid_keys, *key++))
+			return FALSE;
+	return TRUE;
+}
+
+void going_down P((int rc));
+void going_down(rc)
+int rc;
+{
+	if (foreground) {
+		if (amd_state != Start) {
+			if (amd_state != Done)
+				return;
+			unregister_amq();
+		}
+	}
+	if (foreground) {
+		plog(XLOG_INFO, "Finishing with status %d", rc);
+	} else {
+#ifdef DEBUG
+		dlog("background process exiting with status %d", rc);
+#endif /* DEBUG */
+	}
+
+	exit(rc);
+}
+
+
+int bind_resv_port P((int so, u_short *pp));
+int bind_resv_port(so, pp)
+int so;
+u_short *pp;
+{
+	struct sockaddr_in sin;
+	int rc;
+	unsigned short port;
+
+	bzero((voidp) &sin, sizeof(sin));
+	sin.sin_family = AF_INET;
+
+	port = IPPORT_RESERVED;
+
+	do {
+		--port;
+		sin.sin_port = htons(port);
+		rc = bind(so, (struct sockaddr *) &sin, sizeof(sin));
+	} while (rc < 0 && port > IPPORT_RESERVED/2);
+
+	if (pp && rc == 0)
+		*pp = port;
+	return rc;
+}
+
+void forcibly_timeout_mp P((am_node *mp));
+void forcibly_timeout_mp(mp)
+am_node *mp;
+{
+	mntfs *mf = mp->am_mnt;
+	/*
+	 * Arrange to timeout this node
+	 */
+	if (mf && ((mp->am_flags & AMF_ROOT) ||
+		(mf->mf_flags & (MFF_MOUNTING|MFF_UNMOUNTING)))) {
+		if (!(mf->mf_flags & MFF_UNMOUNTING))
+			plog(XLOG_WARNING, "ignoring timeout request for active node %s", mp->am_path);
+	} else {
+		plog(XLOG_INFO, "\"%s\" forcibly timed out", mp->am_path);
+		mp->am_flags &= ~AMF_NOTIMEOUT;
+		mp->am_ttl = clocktime();
+		reschedule_timeout_mp();
+	}
+}
+
+void mf_mounted P((mntfs *mf));
+void mf_mounted(mf)
+mntfs *mf;
+{
+	int quoted;
+	int wasmounted = mf->mf_flags & MFF_MOUNTED;
+
+	if (!wasmounted) {
+		/*
+		 * If this is a freshly mounted
+		 * filesystem then update the
+		 * mntfs structure...
+		 */
+		mf->mf_flags |= MFF_MOUNTED;
+		mf->mf_error = 0;
+
+		/*
+		 * Do mounted callback
+		 */
+		if (mf->mf_ops->mounted)
+			(*mf->mf_ops->mounted)(mf);
+
+		mf->mf_fo = 0;
+	}
+
+	/*
+	 * Log message
+	 */
+	quoted = strchr(mf->mf_info, ' ') != 0;
+	plog(XLOG_INFO, "%s%s%s %s fstype %s on %s",
+		quoted ? "\"" : "",
+		mf->mf_info,
+		quoted ? "\"" : "",
+		wasmounted ? "referenced" : "mounted",
+		mf->mf_ops->fs_type, mf->mf_mount);
+}
+
+void am_mounted P((am_node *mp));
+void am_mounted(mp)
+am_node *mp;
+{
+	mntfs *mf = mp->am_mnt;
+
+	mf_mounted(mf);
+
+	/*
+	 * Patch up path for direct mounts
+	 */
+	if (mp->am_parent && mp->am_parent->am_mnt->mf_ops == &dfs_ops)
+		mp->am_path = str3cat(mp->am_path, mp->am_parent->am_path, "/", ".");
+
+	/*
+	 * Check whether this mount should be cached permanently
+	 */
+	if (mf->mf_ops->fs_flags & FS_NOTIMEOUT) {
+		mp->am_flags |= AMF_NOTIMEOUT;
+	} else if (mf->mf_mount[1] == '\0' && mf->mf_mount[0] == '/') {
+		mp->am_flags |= AMF_NOTIMEOUT;
+	} else {
+		struct mntent mnt;
+		if (mf->mf_mopts) {
+			mnt.mnt_opts = mf->mf_mopts;
+			if (hasmntopt(&mnt, "nounmount"))
+				mp->am_flags |= AMF_NOTIMEOUT;
+			if ((mp->am_timeo = hasmntval(&mnt, "utimeout")) == 0)
+				mp->am_timeo = am_timeo;
+		}
+	}
+
+	/*
+	 * If this node is a symlink then
+	 * compute the length of the returned string.
+	 */
+	if (mp->am_fattr.type == NFLNK)
+		mp->am_fattr.size = strlen(mp->am_link ? mp->am_link : mp->am_mnt->mf_mount);
+
+	/*
+	 * Record mount time
+	 */
+	mp->am_fattr.mtime.seconds = mp->am_stats.s_mtime = clocktime();
+	new_ttl(mp);
+	/*
+	 * Update mtime of parent node
+	 */
+	if (mp->am_parent && mp->am_parent->am_mnt)
+		mp->am_parent->am_fattr.mtime.seconds = mp->am_stats.s_mtime;
+
+
+	/*
+	 * Update stats
+	 */
+	amd_stats.d_mok++;
+}
+
+int mount_node P((am_node *mp));
+int mount_node(mp)
+am_node *mp;
+{
+	mntfs *mf = mp->am_mnt;
+	int error;
+
+	mf->mf_flags |= MFF_MOUNTING;
+	error = (*mf->mf_ops->mount_fs)(mp);
+	mf = mp->am_mnt;
+	if (error >= 0)
+		mf->mf_flags &= ~MFF_MOUNTING;
+	if (!error && !(mf->mf_ops->fs_flags & FS_MBACKGROUND)) {
+		/* ...but see ifs_mount */
+		am_mounted(mp);
+	}
+
+	return error;
+}
+
+void am_unmounted P((am_node *mp));
+void am_unmounted(mp)
+am_node *mp;
+{
+	mntfs *mf = mp->am_mnt;
+
+	if (!foreground) /* firewall - should never happen */
+		return;
+
+#ifdef DEBUG
+	/*dlog("in am_unmounted(), foreground = %d", foreground);*/
+#endif /* DEBUG */
+
+	/*
+	 * Do unmounted callback
+	 */
+	if (mf->mf_ops->umounted)
+		(*mf->mf_ops->umounted)(mp);
+
+	/*
+	 * Update mtime of parent node
+	 */
+	if (mp->am_parent && mp->am_parent->am_mnt)
+		mp->am_parent->am_fattr.mtime.seconds = clocktime();
+
+	free_map(mp);
+}
+
+int auto_fmount P((am_node *mp));
+int auto_fmount(mp)
+am_node *mp;
+{
+	mntfs *mf = mp->am_mnt;
+	return (*mf->mf_ops->fmount_fs)(mf);
+}
+
+int auto_fumount P((am_node *mp));
+int auto_fumount(mp)
+am_node *mp;
+{
+	mntfs *mf = mp->am_mnt;
+	return (*mf->mf_ops->fumount_fs)(mf);
+}
+
+/*
+ * Fork the automounter
+ *
+ * TODO: Need a better strategy for handling errors
+ */
+static int dofork(P_void);
+static int dofork()
+{
+	int pid;
+top:
+	pid = fork();
+
+	if (pid < 0) {
+		sleep(1);
+		goto top;
+	}
+
+	if (pid == 0) {
+		mypid = getpid();
+		foreground = 0;
+	}
+
+	return pid;
+}
+
+int background(P_void);
+int background()
+{
+	int pid = dofork();
+	if (pid == 0) {
+#ifdef DEBUG
+		dlog("backgrounded");
+#endif
+		foreground = 0;
+	}
+
+	return pid;
+}
+
+/*
+ * Make all the directories in the path.
+ */
+int mkdirs P((char *path, int mode));
+int mkdirs(path, mode)
+char *path;
+int mode;
+{
+	/*
+	 * take a copy in case path is in readonly store
+	 */
+	char *p2 = strdup(path);
+	char *sp = p2;
+	struct stat stb;
+	int error_so_far = 0;
+
+	/*
+	 * Skip through the string make the directories.
+	 * Mostly ignore errors - the result is tested at the end.
+	 *
+	 * This assumes we are root so that we can do mkdir in a
+	 * mode 555 directory...
+	 */
+	while (sp = strchr(sp+1, '/')) {
+		*sp = '\0';
+		if (mkdir(p2, mode) < 0) {
+			error_so_far = errno;
+		} else {
+#ifdef DEBUG
+			dlog("mkdir(%s)", p2);
+#endif
+		}
+		*sp = '/';
+	}
+
+	if (mkdir(p2, mode) < 0) {
+		error_so_far = errno;
+	} else {
+#ifdef DEBUG
+		dlog("mkdir(%s)", p2);
+#endif
+	}
+
+#ifdef SUNOS4_WORKAROUND
+	/*
+	 * Do a sync - if we do rmdirs() immediately
+	 * and then the system crashes it leaves
+	 * the filesystem in a state that fsck -p
+	 * can't fix.  (Observed more than once on
+	 * SunOS 4 ...)
+	 *
+	 * The problem was caused by a bug somewhere
+	 * in the UFS code which has since been fixed
+	 * (at least at Berkeley).
+	 *
+	 * Attempted workaround - XXX.
+	 */
+	sync();
+#endif /* SUNOS4_WORKAROUND */
+
+	free(p2);
+
+	return stat(path, &stb) == 0 &&
+		(stb.st_mode & S_IFMT) == S_IFDIR ? 0 : error_so_far;
+}
+
+/*
+ * Remove as many directories in the path as possible.
+ * Give up if the directory doesn't appear to have
+ * been created by Amd (not mode dr-x) or an rmdir
+ * fails for any reason.
+ */
+void rmdirs P((char *dir));
+void rmdirs(dir)
+char *dir;
+{
+	char *xdp = strdup(dir);
+	char *dp;
+
+	do {
+		struct stat stb;
+		/*
+		 * Try to find out whether this was
+		 * created by amd.  Do this by checking
+		 * for owner write permission.
+		 */
+		if (stat(xdp, &stb) == 0 && (stb.st_mode & 0200) == 0) {
+			if (rmdir(xdp) < 0) {
+				if (errno != ENOTEMPTY &&
+				    errno != EBUSY &&
+				    errno != EEXIST &&
+				    errno != EINVAL)
+					plog(XLOG_ERROR, "rmdir(%s): %m", xdp);
+				break;
+			} else {
+#ifdef DEBUG
+				dlog("rmdir(%s)", xdp);
+#endif
+			}
+		} else {
+			break;
+		}
+		dp = strrchr(xdp, '/');
+		if (dp)
+			*dp = '\0';
+	} while (dp && dp > xdp);
+	free(xdp);
+}
diff --git a/usr.sbin/amd/amd/wire.c b/usr.sbin/amd/amd/wire.c
new file mode 100644
index 0000000..ea6d3da
--- /dev/null
+++ b/usr.sbin/amd/amd/wire.c
@@ -0,0 +1,281 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)wire.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: wire.c,v 5.2.2.1 1992/02/09 15:09:15 jsp beta $
+ *
+ */
+
+/*
+ * This function returns the subnet (address&netmask) for the primary network
+ * interface.  If the resulting address has an entry in the hosts file, the
+ * corresponding name is retuned, otherwise the address is returned in
+ * standard internet format.
+ * As a side-effect, a list of local IP/net address is recorded for use
+ * by the islocalnet() function.
+ *
+ * Derived from original by Paul Anderson (23/4/90)
+ * Updates from Dirk Grunwald (11/11/91)
+ */
+
+#include "am.h"
+
+#include <sys/ioctl.h>
+
+#define NO_SUBNET "notknown"
+
+/*
+ * List of locally connected networks
+ */
+typedef struct addrlist addrlist;
+struct addrlist {
+	addrlist *ip_next;
+	unsigned long ip_addr;
+	unsigned long ip_mask;
+};
+static addrlist *localnets = 0;
+
+#ifdef SIOCGIFFLAGS
+#ifdef STELLIX
+#include <sys/sema.h>
+#endif /* STELLIX */
+#include <net/if.h>
+#include <netdb.h>
+
+#if defined(IFF_LOCAL_LOOPBACK) && !defined(IFF_LOOPBACK)
+#define IFF_LOOPBACK IFF_LOCAL_LOOPBACK
+#endif
+
+#define GFBUFLEN 1024
+#define clist (ifc.ifc_ifcu.ifcu_req)
+#define count (ifc.ifc_len/sizeof(struct ifreq))
+
+char *getwire P((void));
+char *getwire()
+{
+	struct hostent *hp;
+	struct netent *np;
+	struct ifconf ifc;
+	struct ifreq *ifr;
+	caddr_t cp, cplim;
+	unsigned long address, netmask, subnet;
+	char buf[GFBUFLEN], *s;
+	int sk = -1;
+	char *netname = 0;
+
+	/*
+	 * Get suitable socket
+	 */
+	if ((sk = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
+		goto out;
+
+	/*
+	 * Fill in ifconf details
+	 */
+	ifc.ifc_len = sizeof buf;
+	ifc.ifc_buf = buf;
+
+	/*
+	 * Get network interface configurations
+	 */
+	if (ioctl(sk, SIOCGIFCONF, (caddr_t) &ifc) < 0)
+		goto out;
+
+	/*
+	 * Upper bound on array
+	 */
+	cplim = buf + ifc.ifc_len;
+
+	/*
+	 * This is some magic to cope with both "traditional" and the
+	 * new 4.4BSD-style struct sockaddrs.  The new structure has
+	 * variable length and a size field to support longer addresses.
+	 * AF_LINK is a new definition for 4.4BSD.
+	 */
+#ifdef AF_LINK
+#define max(a, b) ((a) > (b) ? (a) : (b))
+#define size(ifr) (max((ifr)->ifr_addr.sa_len, sizeof((ifr)->ifr_addr)) + sizeof(ifr->ifr_name))
+#else
+#define size(ifr) sizeof(*ifr)
+#endif
+	/*
+	 * Scan the list looking for a suitable interface
+	 */
+	for (cp = buf; cp < cplim; cp += size(ifr)) {
+		addrlist *al;
+		ifr = (struct ifreq *) cp;
+
+		if (ifr->ifr_addr.sa_family != AF_INET)
+			continue;
+		else
+			address = ((struct sockaddr_in *) &ifr->ifr_addr)->sin_addr.s_addr;
+
+		/*
+		 * Get interface flags
+		 */
+		if (ioctl(sk, SIOCGIFFLAGS, (caddr_t) ifr) < 0)
+			continue;
+
+		/*
+		 * If the interface is a loopback, or its not running
+		 * then ignore it.
+		 */
+		if ((ifr->ifr_flags & IFF_LOOPBACK) != 0)
+			continue;
+		if ((ifr->ifr_flags & IFF_RUNNING) == 0)
+			continue;
+
+		/*
+		 * Get the netmask of this interface
+		 */
+		if (ioctl(sk, SIOCGIFNETMASK, (caddr_t) ifr) < 0)
+			continue;
+
+		netmask = ((struct sockaddr_in *) &ifr->ifr_addr)->sin_addr.s_addr;
+
+		/*
+		 * Add interface to local network list
+		 */
+		al = ALLOC(addrlist);
+		al->ip_addr = address;
+		al->ip_mask = netmask;
+		al->ip_next = localnets;
+		localnets = al;
+
+		if (netname == 0) {
+			unsigned long net;
+			unsigned long mask;
+			unsigned long subnetshift;
+			/*
+			 * Figure out the subnet's network address
+			 */
+			subnet = address & netmask;
+		  
+#ifdef IN_CLASSA
+			subnet = ntohl(subnet); 
+
+			if (IN_CLASSA(subnet)) {
+				mask = IN_CLASSA_NET;
+				subnetshift = 8;
+			} else if (IN_CLASSB(subnet)) {
+				mask = IN_CLASSB_NET;
+				subnetshift = 8;
+			} else {
+				mask = IN_CLASSC_NET;
+				subnetshift = 4;
+			}
+
+			/*
+			 * If there are more bits than the standard mask
+			 * would suggest, subnets must be in use.
+			 * Guess at the subnet mask, assuming reasonable
+			 * width subnet fields.
+			 * XXX: Or-in at least 1 byte's worth of 1s to make
+			 * sure the top bits remain set.
+			 */
+			while (subnet &~ mask)
+				mask = (mask >> subnetshift) | 0xff000000;
+
+			net = subnet & mask;
+			while ((mask & 1) == 0)
+				mask >>= 1, net >>= 1;
+
+			/*
+			 * Now get a usable name.
+			 * First use the network database,
+			 * then the host database,
+			 * and finally just make a dotted quad.
+			 */
+
+			np = getnetbyaddr(net, AF_INET);
+#else
+			/* This is probably very wrong. */
+			np = getnetbyaddr(subnet, AF_INET);
+#endif /* IN_CLASSA */
+			if (np)
+				s = np->n_name;
+			else {
+				subnet = address & netmask;
+				hp = gethostbyaddr((char *) &subnet, 4, AF_INET);
+				if (hp)
+					s = hp->h_name;
+				else
+					s = inet_dquad(buf, subnet);
+			}
+			netname = strdup(s);
+		}
+	}
+
+out:
+	if (sk >= 0)
+		(void) close(sk); 
+	if (netname)
+		return netname;
+	return strdup(NO_SUBNET);
+}
+
+#else
+
+char *getwire P((void));
+char *getwire()
+{
+	return strdup(NO_SUBNET);
+}
+#endif /* SIOCGIFFLAGS */
+
+/*
+ * Determine whether a network is on a local network
+ * (addr) is in network byte order.
+ */
+int islocalnet P((unsigned long addr));
+int islocalnet(addr)
+unsigned long addr;
+{
+	addrlist *al;
+
+	for (al = localnets; al; al = al->ip_next)
+		if (((addr ^ al->ip_addr) & al->ip_mask) == 0)
+			return TRUE;
+
+#ifdef DEBUG
+	{ char buf[16];
+	plog(XLOG_INFO, "%s is on a remote network", inet_dquad(buf, addr));
+	}
+#endif
+	return FALSE;
+}
diff --git a/usr.sbin/amd/amd/xutil.c b/usr.sbin/amd/amd/xutil.c
new file mode 100644
index 0000000..8af6951
--- /dev/null
+++ b/usr.sbin/amd/amd/xutil.c
@@ -0,0 +1,491 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)xutil.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: xutil.c,v 5.2.2.3 1992/03/07 10:36:09 jsp Exp $
+ *
+ */
+
+#include "config.h"
+#ifdef HAS_SYSLOG
+#include <syslog.h>
+#endif /* HAS_SYSLOG */
+#ifdef HAS_STRERROR
+#include <string.h>
+#endif
+
+FILE *logfp = stderr;		/* Log errors to stderr initially */
+#ifdef HAS_SYSLOG
+int syslogging;
+#endif /* HAS_SYSLOG */
+int xlog_level = XLOG_ALL & ~XLOG_MAP & ~XLOG_STATS;
+int xlog_level_init = ~0;
+
+/*
+ * List of log options
+ */
+struct opt_tab xlog_opt[] = {
+	{ "all", XLOG_ALL },		/* All messages */
+#ifdef DEBUG
+	{ "debug", XLOG_DEBUG },	/* Debug messages */
+#endif /* DEBUG */
+	{ "error", XLOG_ERROR },	/* Non-fatal system errors */
+	{ "fatal", XLOG_FATAL },	/* Fatal errors */
+	{ "info", XLOG_INFO },		/* Information */
+	{ "map", XLOG_MAP },		/* Map errors */
+	{ "stats", XLOG_STATS },	/* Additional statistical information */
+	{ "user", XLOG_USER },		/* Non-fatal user errors */
+	{ "warn", XLOG_WARNING },	/* Warnings */
+	{ "warning", XLOG_WARNING },	/* Warnings */
+	{ 0, 0 }
+};
+
+voidp xmalloc(len)
+int len;
+{
+	voidp p;
+	int retries = 600;
+
+	/*
+	 * Avoid malloc's which return NULL for malloc(0)
+	 */
+	if (len == 0)
+		len = 1;
+
+	do {
+		p = (voidp) malloc((unsigned) len);
+		if (p) {
+#if defined(DEBUG) && defined(DEBUG_MEM)
+			Debug(D_MEM) plog(XLOG_DEBUG, "Allocated size %d; block %#x", len, p);
+#endif /* defined(DEBUG) && defined(DEBUG_MEM) */
+			return p;
+		}
+		if (retries > 0) {
+			plog(XLOG_ERROR, "Retrying memory allocation");
+			sleep(1);
+		}
+	} while (--retries);
+
+	plog(XLOG_FATAL, "Out of memory");
+	going_down(1);
+
+	abort();
+
+	return 0;
+}
+
+voidp xrealloc(ptr, len)
+voidp ptr;
+int len;
+{
+#if defined(DEBUG) && defined(DEBUG_MEM)
+	Debug(D_MEM) plog(XLOG_DEBUG, "Reallocated size %d; block %#x", len, ptr);
+#endif /* defined(DEBUG) && defined(DEBUG_MEM) */
+
+	if (len == 0)
+		len = 1;
+
+	if (ptr)
+		ptr = (voidp) realloc(ptr, (unsigned) len);
+	else
+		ptr = (voidp) xmalloc((unsigned) len);
+
+	if (!ptr) {
+		plog(XLOG_FATAL, "Out of memory in realloc");
+		going_down(1);
+		abort();
+	}
+	return ptr;
+}
+
+#if defined(DEBUG) && defined(DEBUG_MEM)
+xfree(f, l, p)
+char *f;
+int l;
+voidp p;
+{
+	Debug(D_MEM) plog(XLOG_DEBUG, "Free in %s:%d: block %#x", f, l, p);
+#undef free
+	free(p);
+}
+#endif /* defined(DEBUG) && defined(DEBUG_MEM) */
+#ifdef DEBUG_MEM
+static int mem_bytes;
+static int orig_mem_bytes;
+static void checkup_mem(P_void)
+{
+extern struct mallinfo __mallinfo;
+	if (mem_bytes != __mallinfo.uordbytes) {
+		if (orig_mem_bytes == 0)
+			mem_bytes = orig_mem_bytes = __mallinfo.uordbytes;
+		else {
+			fprintf(logfp, "%s[%d]: ", progname, mypid);
+			if (mem_bytes < __mallinfo.uordbytes) {
+				fprintf(logfp, "ALLOC: %d bytes",
+					__mallinfo.uordbytes - mem_bytes);
+			} else {
+				fprintf(logfp, "FREE: %d bytes",
+					mem_bytes - __mallinfo.uordbytes);
+			}
+			mem_bytes = __mallinfo.uordbytes;
+			fprintf(logfp, ", making %d missing\n",
+				mem_bytes - orig_mem_bytes);
+		}
+	}
+	malloc_verify();
+}
+#endif /* DEBUG_MEM */
+
+/*
+ * Take a log format string and expand occurences of %m
+ * with the current error code take from errno.
+ */
+INLINE
+static void expand_error(f, e)
+char *f;
+char *e;
+{
+#ifndef HAS_STRERROR
+	extern int sys_nerr;
+	extern char *sys_errlist[];
+#endif
+	char *p;
+	int error = errno;
+
+	for (p = f; *e = *p; e++, p++) {
+		if (p[0] == '%' && p[1] == 'm') {
+			char *errstr;
+#ifdef HAS_STRERROR
+			errstr = strerror(error);
+#else
+			if (error < 0 || error >= sys_nerr)
+				errstr = 0;
+			else
+				errstr = sys_errlist[error];
+#endif
+			if (errstr)
+				strcpy(e, errstr);
+			else
+				sprintf(e, "Error %d", error);
+			e += strlen(e) - 1;
+			p++;
+		}
+	}
+}
+
+/*
+ * Output the time of day and hostname to the logfile
+ */
+static void show_time_host_and_name(lvl)
+int lvl;
+{
+static time_t last_t = 0;
+static char *last_ctime = 0;
+	time_t t = clocktime();
+	char *sev;
+	extern char *ctime();
+
+#if defined(DEBUG) && defined(PARANOID)
+extern char **gargv;
+#endif /* defined(DEBUG) && defined(PARANOID) */
+
+	if (t != last_t) {
+		last_ctime = ctime(&t);
+		last_t = t;
+	}
+
+	switch (lvl) {
+	case XLOG_FATAL:	sev = "fatal:"; break;
+	case XLOG_ERROR: 	sev = "error:"; break;
+	case XLOG_USER:		sev = "user: "; break;
+	case XLOG_WARNING:	sev = "warn: "; break;
+	case XLOG_INFO:		sev = "info: "; break;
+	case XLOG_DEBUG:	sev = "debug:"; break;
+	case XLOG_MAP:		sev = "map:  "; break;
+	case XLOG_STATS:	sev = "stats:"; break;
+	default:		sev = "hmm:  "; break;
+	}
+	fprintf(logfp, "%15.15s %s %s[%d]/%s ",
+		last_ctime+4, hostname,
+#if defined(DEBUG) && defined(PARANOID)
+		gargv[0],
+#else
+		progname,
+#endif /* defined(DEBUG) && defined(PARANOID) */
+		mypid,
+		sev);
+}
+
+#ifdef DEBUG
+/*VARARGS1*/
+void dplog(fmt, j,s,_,p,e,n,d,r,y)
+char *fmt;
+char *j, *s, *_, *p, *e, *n, *d, *r, *y;
+{
+	plog(XLOG_DEBUG, fmt, j,s,_,p,e,n,d,r,y);
+}
+
+#endif /* DEBUG */
+/*VARARGS1*/
+void plog(lvl, fmt, j,s,_,p,e,n,d,r,y)
+int lvl;
+char *fmt;
+char *j, *s, *_, *p, *e, *n, *d, *r, *y;
+{
+	char msg[1024];
+	char efmt[1024];
+	char *ptr = msg;
+
+	if (!(xlog_level & lvl))
+		return;
+
+#ifdef DEBUG_MEM
+	checkup_mem();
+#endif /* DEBUG_MEM */
+
+	expand_error(fmt, efmt);
+	sprintf(ptr, efmt, j,s,_,p,e,n,d,r,y);
+	ptr += strlen(ptr);
+	if (ptr[-1] == '\n')
+		*--ptr  = '\0';
+#ifdef HAS_SYSLOG
+	if (syslogging) {
+		switch(lvl) {	/* from mike <mcooper@usc.edu> */
+		case XLOG_FATAL:	lvl = LOG_CRIT; break;
+		case XLOG_ERROR: 	lvl = LOG_ERR; break;
+		case XLOG_USER:		lvl = LOG_WARNING; break;
+		case XLOG_WARNING:	lvl = LOG_WARNING; break;
+		case XLOG_INFO:		lvl = LOG_INFO; break;
+		case XLOG_DEBUG:	lvl = LOG_DEBUG; break;
+		case XLOG_MAP:		lvl = LOG_DEBUG; break;
+		case XLOG_STATS:	lvl = LOG_INFO; break;
+		default:		lvl = LOG_ERR; break;
+		}
+		syslog(lvl, "%s", msg);
+		return;
+	}
+#endif /* HAS_SYSLOG */
+
+	*ptr++ = '\n';
+	*ptr = '\0';
+
+	/*
+	 * Mimic syslog header
+	 */
+	show_time_host_and_name(lvl);
+	fwrite(msg, ptr - msg, 1, logfp);
+	fflush(logfp);
+}
+
+void show_opts P((int ch, struct opt_tab *opts));
+void show_opts(ch, opts)
+int ch;
+struct opt_tab *opts;
+{
+	/*
+	 * Display current debug options
+	 */
+	int i;
+	int s = '{';
+	fprintf(stderr, "\t[-%c {no}", ch);
+	for (i = 0; opts[i].opt; i++) {
+		fprintf(stderr, "%c%s", s, opts[i].opt);
+		s = ',';
+	}
+	fputs("}]\n", stderr);
+}
+
+int cmdoption P((char *s, struct opt_tab *optb, int *flags));
+int cmdoption(s, optb, flags)
+char *s;
+struct opt_tab *optb;
+int *flags;
+{
+	char *p = s;
+	int errs = 0;
+
+	while (p && *p) {
+		int neg;
+		char *opt;
+		struct opt_tab *dp, *dpn = 0;
+
+		s = p;
+		p = strchr(p, ',');
+		if (p)
+			*p = '\0';
+
+		if (s[0] == 'n' && s[1] == 'o') {
+			opt = s + 2;
+			neg = 1;
+		} else {
+			opt = s;
+			neg = 0;
+		}
+
+		/*
+		 * Scan the array of debug options to find the
+		 * corresponding flag value.  If it is found
+		 * then set (or clear) the flag (depending on
+		 * whether the option was prefixed with "no").
+		 */
+		for (dp = optb; dp->opt; dp++) {
+			if (strcmp(opt, dp->opt) == 0)
+				break;
+			if (opt != s && !dpn && strcmp(s, dp->opt) == 0)
+				dpn = dp;
+		}
+
+		if (dp->opt || dpn) {
+			if (!dp->opt) {
+				dp = dpn;
+				neg = !neg;
+			}
+			if (neg)
+				*flags &= ~dp->flag;
+			else
+				*flags |= dp->flag;
+		} else {
+			/*
+			 * This will log to stderr when parsing the command line
+			 * since any -l option will not yet have taken effect.
+			 */
+			plog(XLOG_USER, "option \"%s\" not recognised", s);
+			errs++;
+		}
+		/*
+		 * Put the comma back
+		 */
+		if (p)
+			*p++ = ',';
+	}
+
+	return errs;
+}
+
+/*
+ * Switch on/off logging options
+ */
+int switch_option(opt)
+char *opt;
+{
+	int xl = xlog_level;
+	int rc = cmdoption(opt, xlog_opt, &xl);
+	if (rc) {
+		rc = EINVAL;
+	} else {
+		/*
+		 * Keep track of initial log level, and
+		 * don't allow options to be turned off.
+		 */
+		if (xlog_level_init == ~0)
+			xlog_level_init = xl;
+		else
+			xl |= xlog_level_init;
+		xlog_level = xl;
+	}
+	return rc;
+}
+
+/*
+ * Change current logfile
+ */
+int switch_to_logfile P((char *logfile));
+int switch_to_logfile(logfile)
+char *logfile;
+{
+	FILE *new_logfp = stderr;
+
+	if (logfile) {
+#ifdef HAS_SYSLOG
+		syslogging = 0;
+#endif /* HAS_SYSLOG */
+		if (strcmp(logfile, "/dev/stderr") == 0)
+			new_logfp = stderr;
+		else if (strcmp(logfile, "syslog") == 0) {
+#ifdef HAS_SYSLOG
+			syslogging = 1;
+			new_logfp = stderr;
+#if defined(LOG_CONS) && defined(LOG_NOWAIT)
+			openlog(progname, LOG_PID|LOG_CONS|LOG_NOWAIT,
+				LOG_DAEMON);
+#else
+			/* 4.2 compat mode - XXX */
+			openlog(progname, LOG_PID);
+#endif /* LOG_CONS && LOG_NOWAIT */
+#else
+			plog(XLOG_WARNING, "syslog option not supported, logging unchanged");
+#endif /* HAS_SYSLOG */
+		} else {
+			(void) umask(orig_umask);
+			new_logfp = fopen(logfile, "a");
+			umask(0);
+		}
+	}
+
+	/*
+	 * If we couldn't open a new file, then continue using the old.
+	 */
+	if (!new_logfp && logfile) {
+		plog(XLOG_USER, "%s: Can't open logfile: %m", logfile);
+		return 1;
+	}
+	/*
+	 * Close the previous file
+	 */
+	if (logfp && logfp != stderr)
+		(void) fclose(logfp);
+	logfp = new_logfp;
+	return 0;
+}
+
+time_t clock_valid = 0;
+time_t xclock_valid = 0;
+#ifndef clocktime
+time_t clocktime(P_void)
+{
+	time_t now = time(&clock_valid);
+	if (xclock_valid > now) {
+		/*
+		 * Someone set the clock back!
+		 */
+		plog(XLOG_WARNING, "system clock reset");
+		reschedule_timeouts(now, xclock_valid);
+	}
+	return xclock_valid = now;
+}
+#endif /* clocktime */
diff --git a/usr.sbin/amd/amq/Makefile b/usr.sbin/amd/amq/Makefile
new file mode 100644
index 0000000..adbd5f4
--- /dev/null
+++ b/usr.sbin/amd/amq/Makefile
@@ -0,0 +1,15 @@
+#	@(#)Makefile	8.1 (Berkeley) 6/6/93
+
+PROG = amq
+SRCS = amq.c amq_clnt.c amq_xdr.c misc_rpc.c
+LDADD+=-lrpc
+CFLAGS+=-I${.CURDIR}/../include
+CFLAGS+=-I${.CURDIR}/../rpcx
+CFLAGS+=-I${.CURDIR}/../config
+CFLAGS+=-DARCH_REP=\"${MACHINE}\"
+CFLAGS+=-DOS_REP=\"bsd44\"
+CFLAGS+=-DOS_HDR=\"os-bsd44.h\"
+.PATH: ${.CURDIR}/../rpcx ${.CURDIR}/../amd
+
+.include "../../Makefile.inc"
+.include <bsd.prog.mk>
diff --git a/usr.sbin/amd/amq/amq.8 b/usr.sbin/amd/amq/amq.8
new file mode 100644
index 0000000..5485925
--- /dev/null
+++ b/usr.sbin/amd/amq/amq.8
@@ -0,0 +1,130 @@
+.\"
+.\" Copyright (c) 1990 Jan-Simon Pendry
+.\" Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+.\" Copyright (c) 1990, 1991, 1993
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" This code is derived from software contributed to Berkeley by
+.\" Jan-Simon Pendry at Imperial College, London.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"     @(#)amq.8	8.3 (Berkeley) 4/18/94
+.\"
+.\" $Id: amq.8,v 5.2.2.1 1992/02/09 15:11:41 jsp beta $
+.\"
+.Dd March 16, 1991
+.Dt AMQ 8
+.Os
+.Sh NAME
+.Nm amq
+.Nd automounter query tool
+.Sh SYNOPSIS
+.Nm amq
+.Op Fl f
+.Op Fl h Ar hostname
+.Op Fl M Ar mountmap_entry
+.Op Fl m
+.Op Fl s
+.Op Fl u
+.Op Fl v
+.Op Ar directory
+.Ar ...
+.Sh DESCRIPTION
+.Nm Amq
+provides a simple way of determining the current state of the
+.Xr amd 8
+program.
+Communication is by
+.Tn RPC .
+Three modes of operation are supported by the current protocol.
+By default a list of mount points and auto-mounted filesystems
+is output.
+An alternative host can be specified using the
+.Fl h
+option.
+.Pp
+If directory names are given, as output by default,
+then per-filesystem information is displayed.
+.Sh OPTIONS
+.Bl -tag -width Ds
+.It Fl f
+Request automounter to flush the internal caches.
+.It Fl h Ar hostname
+Query alternate host
+.Ar hostname .
+By default the local host is used.  In an
+.Tn HP-UX
+cluster, the root server is queried by default, since
+that is the system on which the automounter is normally run.
+.It Fl m
+Request the automounter to provide a list of mounted filesystems,
+including the number of references to each filesystem and any error
+which occurred while mounting.
+.It Fl s
+Request the automounter to provide system-wide mount statistics.
+.It Fl u
+Request the automounter to unmount the named filesystems
+instead of providing information about them.  Unmounts are requested,
+not forced.  They merely cause the mounted filesystem to timeout,
+which will be picked up by
+.Xr amd Ns \'s
+main scheduler thus causing the normal timeout action to be taken.
+.It Fl v
+Request the automounter to provide version information.  This is a subset
+of the information provided by
+.Xr amd Ns \'s Fl v
+option.
+.It Fl M
+Request automounter to add the given map entry to the root map and then
+trigger a mount request for it.
+.El
+.Sh FILES
+.Bl -tag -width amq.xxxxx -compact
+.Bl -tag -width Ds
+.It Pa amq.x
+.Tn RPC
+protocol description.
+.El
+.Sh CAVEATS
+.Nm Amq
+uses a Sun registered
+.Tn RPC
+program number (300019 decimal) which may not
+be in the
+.Pa /etc/rpc
+database.
+.Sh SEE ALSO
+.Xr amd 8
+.Sh AUTHOR
+.An Jan-Simon Pendry
+<jsp@doc.ic.ac.uk>, Department of Computing, Imperial College, London, UK.
+.Sh HISTORY
+.Nm Amq
+.At
diff --git a/usr.sbin/amd/amq/amq.c b/usr.sbin/amd/amq/amq.c
new file mode 100644
index 0000000..d3749bc
--- /dev/null
+++ b/usr.sbin/amd/amq/amq.c
@@ -0,0 +1,666 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)amq.c	8.1 (Berkeley) 6/7/93
+ *
+ * $Id: amq.c,v 5.2.2.1 1992/02/09 15:09:16 jsp beta $
+ *
+ */
+
+/*
+ * Automounter query tool
+ */
+
+#ifndef lint
+char copyright[] = "\
+@(#)Copyright (c) 1990 Jan-Simon Pendry\n\
+@(#)Copyright (c) 1990 Imperial College of Science, Technology & Medicine\n\
+@(#)Copyright (c) 1990, 1993\n\
+	The Regents of the University of California.  All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+static char rcsid[] = "$Id: amq.c,v 5.2.2.1 1992/02/09 15:09:16 jsp beta $";
+static char sccsid[] = "@(#)amq.c	8.1 (Berkeley) 6/7/93";
+#endif /* not lint */
+
+#include "am.h"
+#include "amq.h"
+#include <stdio.h>
+#include <fcntl.h>
+#include <netdb.h>
+
+static int privsock();
+
+char *progname;
+static int flush_flag;
+static int minfo_flag;
+static int unmount_flag;
+static int stats_flag;
+static int getvers_flag;
+static char *debug_opts;
+static char *logfile;
+static char *mount_map;
+static char *xlog_optstr;
+static char localhost[] = "localhost";
+static char *def_server = localhost;
+
+extern int optind;
+extern char *optarg;
+
+static struct timeval tmo = { 10, 0 };
+#define	TIMEOUT tmo
+
+enum show_opt { Full, Stats, Calc, Short, ShowDone };
+
+/*
+ * If (e) is Calc then just calculate the sizes
+ * Otherwise display the mount node on stdout
+ */
+static void show_mti(mt, e, mwid, dwid, twid)
+amq_mount_tree *mt;
+enum show_opt e;
+int *mwid;
+int *dwid;
+int *twid;
+{
+	switch (e) {
+	case Calc: {
+		int mw = strlen(mt->mt_mountinfo);
+		int dw = strlen(mt->mt_directory);
+		int tw = strlen(mt->mt_type);
+		if (mw > *mwid) *mwid = mw;
+		if (dw > *dwid) *dwid = dw;
+		if (tw > *twid) *twid = tw;
+	} break;
+
+	case Full: {
+		struct tm *tp = localtime((time_t *) &mt->mt_mounttime);
+printf("%-*.*s %-*.*s %-*.*s %s\n\t%-5d %-7d %-6d %-7d %-7d %-6d %02d/%02d/%02d %02d:%02d:%02d\n",
+			*dwid, *dwid,
+			*mt->mt_directory ? mt->mt_directory : "/",	/* XXX */
+			*twid, *twid,
+			mt->mt_type,
+			*mwid, *mwid, 
+			mt->mt_mountinfo,
+			mt->mt_mountpoint,
+
+			mt->mt_mountuid,
+			mt->mt_getattr,
+			mt->mt_lookup,
+			mt->mt_readdir,
+			mt->mt_readlink,
+			mt->mt_statfs,
+
+			tp->tm_year > 99 ? tp->tm_year - 100 : tp->tm_year,
+			tp->tm_mon+1, tp->tm_mday,
+			tp->tm_hour, tp->tm_min, tp->tm_sec);
+	} break;
+
+	case Stats: {
+		struct tm *tp = localtime((time_t *) &mt->mt_mounttime);
+printf("%-*.*s %-5d %-7d %-6d %-7d %-7d %-6d %02d/%02d/%02d %02d:%02d:%02d\n",
+			*dwid, *dwid,
+			*mt->mt_directory ? mt->mt_directory : "/",	/* XXX */
+
+			mt->mt_mountuid,
+			mt->mt_getattr,
+			mt->mt_lookup,
+			mt->mt_readdir,
+			mt->mt_readlink,
+			mt->mt_statfs,
+
+			tp->tm_year > 99 ? tp->tm_year - 100 : tp->tm_year,
+			tp->tm_mon+1, tp->tm_mday,
+			tp->tm_hour, tp->tm_min, tp->tm_sec);
+	} break;
+
+	case Short: {
+		printf("%-*.*s %-*.*s %-*.*s %s\n",
+			*dwid, *dwid,
+			*mt->mt_directory ? mt->mt_directory : "/",
+			*twid, *twid,
+			mt->mt_type,
+			*mwid, *mwid,
+			mt->mt_mountinfo,
+			mt->mt_mountpoint);
+	} break;
+	}
+}
+
+/*
+ * Display a mount tree.
+ */
+static void show_mt(mt, e, mwid, dwid, pwid)
+amq_mount_tree *mt;
+enum show_opt e;
+int *mwid;
+int *dwid;
+int *pwid;
+{
+	while (mt) {
+		show_mti(mt, e, mwid, dwid, pwid);
+		show_mt(mt->mt_next, e, mwid, dwid, pwid);
+		mt = mt->mt_child;
+	}
+}
+
+static void show_mi(ml, e, mwid, dwid, twid)
+amq_mount_info_list *ml;
+enum show_opt e;
+int *mwid;
+int *dwid;
+int *twid;
+{
+	int i;
+	switch (e) {
+	case Calc: {
+		for (i = 0; i < ml->amq_mount_info_list_len; i++) {
+			amq_mount_info *mi = &ml->amq_mount_info_list_val[i];
+			int mw = strlen(mi->mi_mountinfo);
+			int dw = strlen(mi->mi_mountpt);
+			int tw = strlen(mi->mi_type);
+			if (mw > *mwid) *mwid = mw;
+			if (dw > *dwid) *dwid = dw;
+			if (tw > *twid) *twid = tw;
+		}
+	} break;
+
+	case Full: {
+		for (i = 0; i < ml->amq_mount_info_list_len; i++) {
+			amq_mount_info *mi = &ml->amq_mount_info_list_val[i];
+			printf("%-*.*s %-*.*s %-*.*s %-3d %s is %s",
+						*mwid, *mwid, mi->mi_mountinfo,
+						*dwid, *dwid, mi->mi_mountpt,
+						*twid, *twid, mi->mi_type,
+						mi->mi_refc, mi->mi_fserver,
+						mi->mi_up > 0 ? "up" :
+						mi->mi_up < 0 ? "starting" : "down");
+			if (mi->mi_error > 0) {
+#ifdef HAS_STRERROR
+				printf(" (%s)", strerror(mi->mi_error));
+#else
+				extern char *sys_errlist[];
+				extern int sys_nerr;
+				if (mi->mi_error < sys_nerr)
+					printf(" (%s)", sys_errlist[mi->mi_error]);
+				else
+					printf(" (Error %d)", mi->mi_error);
+#endif
+			} else if (mi->mi_error < 0) {
+				fputs(" (in progress)", stdout);
+			}
+			fputc('\n', stdout);
+		}
+	} break;
+	}
+}
+
+/*
+ * Display general mount statistics
+ */
+static void show_ms(ms)
+amq_mount_stats *ms;
+{
+	printf("\
+requests  stale     mount     mount     unmount\n\
+deferred  fhandles  ok        failed    failed\n\
+%-9d %-9d %-9d %-9d %-9d\n",
+	ms->as_drops, ms->as_stale, ms->as_mok, ms->as_merr, ms->as_uerr);
+}
+
+static bool_t
+xdr_pri_free(xdr_args, args_ptr)
+xdrproc_t xdr_args;
+caddr_t args_ptr;
+{
+	XDR xdr;
+	xdr.x_op = XDR_FREE;
+	return ((*xdr_args)(&xdr, args_ptr));
+}
+
+#ifdef hpux
+#include <cluster.h>
+static char *cluster_server()
+{
+	struct cct_entry *cp;
+
+	if (cnodeid() == 0) {
+		/*
+		 * Not clustered
+		 */
+		return def_server;
+	}
+
+	while (cp = getccent())
+		if (cp->cnode_type == 'r')
+			return cp->cnode_name;
+
+
+	return def_server;
+}
+#endif /* hpux */
+
+/*
+ * MAIN
+ */
+main(argc, argv)
+int argc;
+char *argv[];
+{
+	int opt_ch;
+	int errs = 0;
+	char *server;
+	struct sockaddr_in server_addr;
+
+	/* In order to pass the Amd security check, we must use a priv port. */
+	int s;
+
+	CLIENT *clnt;
+	struct hostent *hp;
+	int nodefault = 0;
+
+	/*
+	 * Compute program name
+	 */
+	if (argv[0]) {
+		progname = strrchr(argv[0], '/');
+		if (progname && progname[1])
+			progname++;
+		else
+			progname = argv[0];
+	}
+	if (!progname)
+		progname = "amq";
+
+	/*
+	 * Parse arguments
+	 */
+	while ((opt_ch = getopt(argc, argv, "fh:l:msuvx:D:M:")) != EOF)
+	switch (opt_ch) {
+	case 'f':
+		flush_flag = 1;
+		nodefault = 1;
+		break;
+
+	case 'h':
+		def_server = optarg;
+		break;
+
+	case 'l':
+		logfile = optarg;
+		nodefault = 1;
+		break;
+
+	case 'm':
+		minfo_flag = 1;
+		nodefault = 1;
+		break;
+
+	case 's':
+		stats_flag = 1;
+		nodefault = 1;
+		break;
+
+	case 'u':
+		unmount_flag = 1;
+		nodefault = 1;
+		break;
+
+	case 'v':
+		getvers_flag = 1;
+		nodefault = 1;
+		break;
+
+	case 'x':
+		xlog_optstr = optarg;
+		nodefault = 1;
+		break;
+
+	case 'D':
+		debug_opts = optarg;
+		nodefault = 1;
+		break;
+
+	case 'M':
+		mount_map = optarg;
+		nodefault = 1;
+		break;
+
+	default:
+		errs = 1;
+		break;
+	}
+
+	if (optind == argc) {
+		if (unmount_flag)
+			errs = 1;
+	}
+	
+	if (errs) {
+show_usage:
+		fprintf(stderr, "\
+Usage: %s [-h host] [[-f] [-m] [-v] [-s]] | [[-u] directory ...]] |\n\
+\t[-l logfile|\"syslog\"] [-x log_flags] [-D dbg_opts] [-M mapent]\n", progname);
+		exit(1);
+	}
+
+#ifdef hpux
+	/*
+	 * Figure out root server of cluster
+	 */
+	if (def_server == localhost)
+		server = cluster_server();
+	else
+#endif /* hpux */
+	server = def_server;
+
+	/*
+	 * Get address of server
+	 */
+	if ((hp = gethostbyname(server)) == 0 && strcmp(server, localhost) != 0) {
+		fprintf(stderr, "%s: Can't get address of %s\n", progname, server);
+		exit(1);
+	}
+	bzero(&server_addr, sizeof server_addr);
+	server_addr.sin_family = AF_INET;
+	if (hp) {
+		bcopy((voidp) hp->h_addr, (voidp) &server_addr.sin_addr,
+			sizeof(server_addr.sin_addr));
+	} else {
+		/* fake "localhost" */
+		server_addr.sin_addr.s_addr = htonl(0x7f000001);
+	}
+
+	/*
+	 * Create RPC endpoint
+	 */
+	s = privsock(SOCK_STREAM);
+	clnt = clnttcp_create(&server_addr, AMQ_PROGRAM, AMQ_VERSION, &s, 0, 0);
+	if (clnt == 0) {
+		close(s);
+		s = privsock(SOCK_DGRAM);
+		clnt = clntudp_create(&server_addr, AMQ_PROGRAM, AMQ_VERSION, TIMEOUT, &s);
+	}
+	if (clnt == 0) {
+		fprintf(stderr, "%s: ", progname);
+		clnt_pcreateerror(server);
+		exit(1);
+	}
+
+	/*
+	 * Control debugging
+	 */
+	if (debug_opts) {
+		int *rc;
+		amq_setopt opt;
+		opt.as_opt = AMOPT_DEBUG;
+		opt.as_str = debug_opts;
+		rc = amqproc_setopt_1(&opt, clnt);
+		if (rc && *rc < 0) {
+			fprintf(stderr, "%s: daemon not compiled for debug", progname);
+			errs = 1;
+		} else if (!rc || *rc > 0) {
+			fprintf(stderr, "%s: debug setting for \"%s\" failed\n", progname, debug_opts);
+			errs = 1;
+		}
+	}
+
+	/*
+	 * Control logging
+	 */
+	if (xlog_optstr) {
+		int *rc;
+		amq_setopt opt;
+		opt.as_opt = AMOPT_XLOG;
+		opt.as_str = xlog_optstr;
+		rc = amqproc_setopt_1(&opt, clnt);
+		if (!rc || *rc) {
+			fprintf(stderr, "%s: setting log level to \"%s\" failed\n", progname, xlog_optstr);
+			errs = 1;
+		}
+	}
+
+	/*
+	 * Control log file
+	 */
+	if (logfile) {
+		int *rc;
+		amq_setopt opt;
+		opt.as_opt = AMOPT_LOGFILE;
+		opt.as_str = logfile;
+		rc = amqproc_setopt_1(&opt, clnt);
+		if (!rc || *rc) {
+			fprintf(stderr, "%s: setting logfile to \"%s\" failed\n", progname, logfile);
+			errs = 1;
+		}
+	}
+
+	/*
+	 * Flush map cache
+	 */
+	if (flush_flag) {
+		int *rc;
+		amq_setopt opt;
+		opt.as_opt = AMOPT_FLUSHMAPC;
+		opt.as_str = "";
+		rc = amqproc_setopt_1(&opt, clnt);
+		if (!rc || *rc) {
+			fprintf(stderr, "%s: amd on %s cannot flush the map cache\n", progname, server);
+			errs = 1;
+		}
+	}
+
+	/*
+	 * Mount info
+	 */
+	if (minfo_flag) {
+		int dummy;
+		amq_mount_info_list *ml = amqproc_getmntfs_1(&dummy, clnt);
+		if (ml) {
+			int mwid = 0, dwid = 0, twid = 0;
+			show_mi(ml, Calc, &mwid, &dwid, &twid);
+			mwid++; dwid++; twid++;
+			show_mi(ml, Full, &mwid, &dwid, &twid);
+
+		} else {
+			fprintf(stderr, "%s: amd on %s cannot provide mount info\n", progname, server);
+		}
+	}
+
+	/*
+	 * Mount map
+	 */
+	if (mount_map) {
+		int *rc;
+		do {
+			rc = amqproc_mount_1(&mount_map, clnt);
+		} while (rc && *rc < 0);
+		if (!rc || *rc > 0) {
+			if (rc)
+				errno = *rc;
+			else
+				errno = ETIMEDOUT;
+			fprintf(stderr, "%s: could not start new ", progname);
+			perror("autmount point");
+		}
+	}
+
+	/*
+	 * Get Version
+	 */
+	if (getvers_flag) {
+		amq_string *spp = amqproc_getvers_1((voidp) 0, clnt);
+		if (spp && *spp) {
+			printf("%s.\n", *spp);
+			free(*spp);
+		} else {
+			fprintf(stderr, "%s: failed to get version information\n", progname);
+			errs = 1;
+		}
+	}
+
+	/*
+	 * Apply required operation to all remaining arguments
+	 */
+	if (optind < argc) {
+		do {
+			char *fs = argv[optind++];
+			if (unmount_flag) {
+				/*
+				 * Unmount request
+				 */
+				amqproc_umnt_1(&fs, clnt);
+			} else {
+				/*
+				 * Stats request
+				 */
+				amq_mount_tree_p *mtp = amqproc_mnttree_1(&fs, clnt);
+				if (mtp) {
+					amq_mount_tree *mt = *mtp;
+					if (mt) {
+						int mwid = 0, dwid = 0, twid = 0;
+						show_mt(mt, Calc, &mwid, &dwid, &twid);
+						mwid++; dwid++, twid++;
+		printf("%-*.*s Uid   Getattr Lookup RdDir   RdLnk   Statfs Mounted@\n",
+			dwid, dwid, "What");
+						show_mt(mt, Stats, &mwid, &dwid, &twid);
+					} else {
+						fprintf(stderr, "%s: %s not automounted\n", progname, fs);
+					}
+					xdr_pri_free(xdr_amq_mount_tree_p, (caddr_t) mtp);
+				} else {
+					fprintf(stderr, "%s: ", progname);
+					clnt_perror(clnt, server);
+					errs = 1;
+				}
+			}
+		} while (optind < argc);
+	} else if (unmount_flag) {
+		goto show_usage;
+	} else if (stats_flag) {
+		amq_mount_stats *ms = amqproc_stats_1((voidp) 0, clnt);
+		if (ms) {
+			show_ms(ms);
+		} else {
+			fprintf(stderr, "%s: ", progname);
+			clnt_perror(clnt, server);
+			errs = 1;
+		}
+	} else if (!nodefault) {
+		amq_mount_tree_list *mlp = amqproc_export_1((voidp) 0, clnt);
+		if (mlp) {
+			enum show_opt e = Calc;
+			int mwid = 0, dwid = 0, pwid = 0;
+			while (e != ShowDone) {
+				int i;
+				for (i = 0; i < mlp->amq_mount_tree_list_len; i++) {
+					show_mt(mlp->amq_mount_tree_list_val[i],
+						 e, &mwid, &dwid, &pwid);
+				}
+				mwid++; dwid++, pwid++;
+				if (e == Calc) e = Short;
+				else if (e == Short) e = ShowDone;
+			}
+		} else {
+			fprintf(stderr, "%s: ", progname);
+			clnt_perror(clnt, server);
+			errs = 1;
+		}
+	}
+
+	exit(errs);
+}
+
+/*
+ * udpresport creates a datagram socket and attempts to bind it to a 
+ * secure port.
+ * returns: The bound socket, or -1 to indicate an error.
+ */
+static int inetresport(ty)
+int ty;
+{
+	int alport;
+	struct sockaddr_in addr;
+	int sock;
+
+	/* Use internet address family */
+	addr.sin_family = AF_INET;
+	addr.sin_addr.s_addr = INADDR_ANY;
+	if ((sock = socket(AF_INET, ty, 0)) < 0)
+		return -1;
+	for (alport = IPPORT_RESERVED-1; alport > IPPORT_RESERVED/2 + 1; alport--) {
+		addr.sin_port = htons((u_short)alport);
+		if (bind(sock, (struct sockaddr *)&addr, sizeof (addr)) >= 0)
+			return sock;
+		if (errno != EADDRINUSE) {
+			close(sock);
+			return -1;
+		}
+	}
+	close(sock);
+	errno = EAGAIN;
+	return -1;
+}
+
+/*
+ * Privsock() calls inetresport() to attempt to bind a socket to a secure
+ * port.  If inetresport() fails, privsock returns a magic socket number which
+ * indicates to RPC that it should make its own socket.
+ * returns: A privileged socket # or RPC_ANYSOCK.
+ */
+static int privsock(ty)
+int ty;
+{
+	int sock = inetresport(ty);
+
+	if (sock < 0) {
+		errno = 0;
+		/* Couldn't get a secure port, let RPC make an insecure one */
+		sock = RPC_ANYSOCK;
+	}
+	return sock;
+}
+
+#ifdef DEBUG
+xfree(f, l, p)
+char *f, *l;
+voidp p;
+{
+	free(p);
+}
+#endif /* DEBUG */
diff --git a/usr.sbin/amd/config/Configure b/usr.sbin/amd/config/Configure
new file mode 100644
index 0000000..2851786
--- /dev/null
+++ b/usr.sbin/amd/config/Configure
@@ -0,0 +1,60 @@
+#!/bin/sh -
+#
+# Copyright (c) 1989 Jan-Simon Pendry
+# Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+# Copyright (c) 1989, 1993
+#	The Regents of the University of California.  All rights reserved.
+#
+# This code is derived from software contributed to Berkeley by
+# Jan-Simon Pendry at Imperial College, London.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#	This product includes software developed by the University of
+#	California, Berkeley and its contributors.
+# 4. Neither the name of the University nor the names of its contributors
+#    may be used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+#	@(#)Configure	8.1 (Berkeley) 6/6/93
+#
+# $Id: Configure,v 5.2.1.2 91/05/07 22:20:26 jsp Alpha $
+#
+echo "Making ./arch and ./os-type executable ..."
+until chmod +x ./arch ./os-type; do echo "Error: chmod command failed" >&2; exit 1; done
+echo "Checking ./arch and ./os-type ..."
+echo ""
+arch="`sh ./arch 2>/dev/null`"
+os="`sh ./os-type 2>/dev/null`"
+case "$arch" in
+"") echo "./arch doesn't produce an answer - please check it" >&2; exit 1;;
+esac
+case "$os" in
+"") echo "./os-type doesn't produce an answer - please check it" >&2; exit 1;;
+esac
+cat << %
+This machine appears to be a "$arch" running "$os".
+If that is correct just run make.
+If those are incorrect please edit ./arch and ./os-type
+%
+exit 0
diff --git a/usr.sbin/amd/config/Makefile.aix3 b/usr.sbin/amd/config/Makefile.aix3
new file mode 100644
index 0000000..c4bdd3a
--- /dev/null
+++ b/usr.sbin/amd/config/Makefile.aix3
@@ -0,0 +1,5 @@
+#	@(#)Makefile.aix3	8.1 (Berkeley) 6/6/93
+#
+# $Id: Makefile.aix3,v 5.2.2.1 1992/02/09 15:10:06 jsp beta $
+#
+SYSLIB = -lbsd
diff --git a/usr.sbin/amd/config/Makefile.bsd44 b/usr.sbin/amd/config/Makefile.bsd44
new file mode 100644
index 0000000..a41ff2d
--- /dev/null
+++ b/usr.sbin/amd/config/Makefile.bsd44
@@ -0,0 +1,8 @@
+#	@(#)Makefile.bsd44	8.1 (Berkeley) 6/6/93
+#
+# $Id: Makefile.bsd44,v 5.2.2.1 1992/02/09 15:10:12 jsp beta $
+#
+# Extra Makefile definitions for 4.4 BSD
+#
+
+RPCLIB = -lrpc
diff --git a/usr.sbin/amd/config/Makefile.config b/usr.sbin/amd/config/Makefile.config
new file mode 100644
index 0000000..0c4d7be
--- /dev/null
+++ b/usr.sbin/amd/config/Makefile.config
@@ -0,0 +1,91 @@
+#	@(#)Makefile.config	8.1 (Berkeley) 6/6/93
+#
+# $Id: Makefile.config,v 5.2.2.1 1992/02/09 15:11:17 jsp beta $
+#
+
+#
+# Comment/uncomment the following lines as required
+#
+
+#
+# Where local include files are stored
+#
+#XINCLUDE = -I/usr/local/athena/include
+
+#
+# Define RESOLV if your C library does not include support
+# for Hesiod and/or Named.
+#
+#RESOLV = -lhesiod -lresolv
+
+#
+# Define XLIBDIR if you have libraries not on the standard
+# search path.
+#
+#XLIBDIR = -L/usr/local/athena/lib
+
+#
+# Define DBM if your C library does not include
+# support for gdbm and/or ndbm.
+#
+#DBM = -lgdbm #-lndbm
+
+#
+# Define RPCLIB if your C library does not include
+# support for RPC
+#
+#RPCLIB = -lrpc
+
+#
+# Include support for Network Information Service (NIS)
+# Also define HAS_NIS_RELOAD to include map
+# enumeration code implementing "cache:=all"
+#
+#HAS_NIS_MAPS = -DHAS_NIS_MAPS -DHAS_NIS_RELOAD
+
+#
+# Include support for file maps
+#
+HAS_FILE_MAPS = -DHAS_FILE_MAPS
+
+#
+# Include support for Hesiod
+# Also define HAS_HESIOD_RELOAD to include zone
+# transfer code implementing "cache:=all"
+#
+#HAS_HESIOD_MAPS = -DHAS_HESIOD_MAPS -DHAS_HESIOD_RELOAD
+
+#
+# Include support for /etc/passwd
+#
+HAS_PASSWD_MAPS = -DHAS_PASSWD_MAPS
+
+#
+# Include support for union maps
+#
+HAS_UNION_MAPS = -DHAS_UNION_MAPS
+
+#
+# Include support for ndbm.
+# This removes support for gdbm and is only supported
+# if your operating system supports ndbm
+#
+#HAS_NDBM_MAPS = -DHAS_NDBM_MAPS
+
+#
+# Include support for "regexp" maps
+#
+HAS_REGEXP = -DHAS_REGEXP
+
+#
+# Make sure that the hostname passed in RPC authentication packets
+# contains a fully qualified domain name.  See nfs_ops.c
+#
+#HAS_NFS_QUALIFIED_NAMES = -DHAS_NFS_QUALIFIED_NAMES
+
+##############################################################
+# Do NOT edit the following lines
+#
+CONFIG = ${XINCLUDE} ${HAS_NIS_MAPS} ${HAS_FILE_MAPS} ${HAS_HESIOD_MAPS} \
+		${HAS_NDBM_MAPS} ${HAS_MOUNTD_MAPS} ${HAS_PASSWD_MAPS} ${HAS_UNION_MAPS} \
+		${HAS_REGEXP} ${HAS_NFS_QUALIFIED_NAMES}
diff --git a/usr.sbin/amd/config/Makefile.hpux b/usr.sbin/amd/config/Makefile.hpux
new file mode 100644
index 0000000..dd92f9e
--- /dev/null
+++ b/usr.sbin/amd/config/Makefile.hpux
@@ -0,0 +1,13 @@
+#	@(#)Makefile.hpux	8.1 (Berkeley) 6/6/93
+#
+# $Id: Makefile.hpux,v 5.2.2.1 1992/02/09 15:10:26 jsp beta $
+#
+# Extra Makefile definitions for HP-UX
+#
+
+#CC = gcc ${GCCOPTS}
+# Works only on HP300
+CC = cc -Wc,-Nd2000
+SYSCC = $(CC)
+# Works only Hp800
+# CC = cc
diff --git a/usr.sbin/amd/config/Makefile.irix b/usr.sbin/amd/config/Makefile.irix
new file mode 100644
index 0000000..e936b45
--- /dev/null
+++ b/usr.sbin/amd/config/Makefile.irix
@@ -0,0 +1,10 @@
+#	@(#)Makefile.irix	8.1 (Berkeley) 6/6/93
+#
+# $Id: Makefile.irix,v 5.2.2.1 1992/02/09 15:10:31 jsp beta $
+#
+# Extra Makefile definitions for IRIX
+#
+
+DEBUG = #-g -DDEBUG
+CCOPTS = -I/usr/include/sun -I/usr/include/bsd -DIRIX
+RESOLV = -lrpcsvc -lsun -lbsd
diff --git a/usr.sbin/amd/config/Makefile.irix3 b/usr.sbin/amd/config/Makefile.irix3
new file mode 100644
index 0000000..165e0e4
--- /dev/null
+++ b/usr.sbin/amd/config/Makefile.irix3
@@ -0,0 +1,13 @@
+#	@(#)Makefile.irix3	8.1 (Berkeley) 6/6/93
+#
+# $Id: Makefile.irix3,v 5.2 1992/05/31 16:40:22 jsp Exp $
+#
+# Extra Makefile definitions for IRIX
+#
+
+# For 3.3.x and earlier we might need to indicate the Sun and BSD include
+# paths.
+ 
+DEBUG = #-g -DDEBUG
+CCOPTS = -I/usr/include/sun -I/usr/include/bsd
+RESOLV = -lrpcsvc -lsun -lbsd
diff --git a/usr.sbin/amd/config/Makefile.irix4 b/usr.sbin/amd/config/Makefile.irix4
new file mode 100644
index 0000000..4480e93
--- /dev/null
+++ b/usr.sbin/amd/config/Makefile.irix4
@@ -0,0 +1,14 @@
+#	@(#)Makefile.irix4	8.1 (Berkeley) 6/6/93
+#
+# $Id: Makefile.irix4,v 5.2 1992/05/31 16:40:22 jsp Exp $
+#
+# Extra Makefile definitions for IRIX
+#
+
+# For 4.0.X and later we need to specify the -cckr option - although amd
+# has prototypes - some of the rpc prototypes clash.  The special include
+# paths are not required. -lsun always comes before -lbsd.
+
+DEBUG = -g
+CCOPTS = -cckr
+RESOLV = -lrpcsvc -lsun -lbsd
diff --git a/usr.sbin/amd/config/Makefile.stellix b/usr.sbin/amd/config/Makefile.stellix
new file mode 100644
index 0000000..0bcfff6
--- /dev/null
+++ b/usr.sbin/amd/config/Makefile.stellix
@@ -0,0 +1,10 @@
+#	@(#)Makefile.stellix	8.1 (Berkeley) 6/6/93
+#
+# $Id: Makefile.stellix,v 5.2.2.1 1992/02/09 15:10:45 jsp beta $
+#
+# Extra Makefile definitions for STELLIX
+#
+
+DEBUG = #-g -DDEBUG
+CCOPTS = -DSTELLIX
+RESOLV = -lrpcsvc
diff --git a/usr.sbin/amd/config/RELEASE b/usr.sbin/amd/config/RELEASE
new file mode 100644
index 0000000..36f8f1f
--- /dev/null
+++ b/usr.sbin/amd/config/RELEASE
@@ -0,0 +1 @@
+$Revision: 5.2.3.1 $ of $Date: 1993/06/01 11:43:31 $ bsd44
diff --git a/usr.sbin/amd/config/arch b/usr.sbin/amd/config/arch
new file mode 100644
index 0000000..71c9224
--- /dev/null
+++ b/usr.sbin/amd/config/arch
@@ -0,0 +1,126 @@
+#! /bin/sh
+#
+# Copyright (c) 1989 Jan-Simon Pendry
+# Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+# Copyright (c) 1989, 1993
+#	The Regents of the University of California.  All rights reserved.
+#
+# This code is derived from software contributed to Berkeley by
+# Jan-Simon Pendry at Imperial College, London.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#	This product includes software developed by the University of
+#	California, Berkeley and its contributors.
+# 4. Neither the name of the University nor the names of its contributors
+#    may be used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+#	@(#)arch	8.1 (Berkeley) 6/6/93
+#
+# $Id: arch,v 5.2.2.2 1992/05/31 16:45:35 jsp Exp $
+#
+# Figure out machine architecture
+#
+
+PATH=/bin:/usr/bin:/usr/ucb:/etc:/usr/local/bin:${PATH} export PATH
+
+#
+# First try to find a standard command
+#
+a=arch		# Sun compat
+m=machine	# BSD compat
+u=uname		# Sys5 compat
+
+if [ -f /etc/$a -o -f /bin/$a -o -f /usr/bin/$a -o -f /usr/local/bin/$a ]
+then
+	exec $a
+elif [ -f /etc/$m -o -f /bin/$m -o -f /usr/bin/$m -o -f /usr/ucb/$m -o -f /usr/local/bin/$m ]
+then
+	exec $m
+elif [ -f /etc/$u -o -f /bin/$u -o -f /usr/bin/$u -o -f /usr/local/bin/$u ]
+then
+	ARCH="`uname`"
+	case "$ARCH" in
+		"HP-UX") echo hp9000; exit 0;;
+		AIX*) MACH="`uname -m`"
+			case "$MACH" in
+			00*) echo ibm6000; exit 0;;
+			10*) echo ibm032; exit 0;;
+			20*) echo ibm032; exit 0;;
+			esac
+			;;
+		A/UX) echo macII ; exit 0 ;;
+		dgux) MACH="`uname -m`"
+			case "$MACH" in
+			AViiON) echo aviion; exit 0;;
+			esac
+			;;
+		*) MACH="`uname -m`"
+			case "$MACH" in
+			IP6) echo mips; exit 0;;
+			IP7) echo mips; exit 0;;
+			*) ;;
+			esac
+			;;
+	esac
+fi
+
+#
+# Take a pot-shot at your machine architecture
+#
+echo "#	... No ARCH= option specified; dynamically determining architecture" >&2
+
+case "`exec 2>/dev/null; head -2 /etc/motd`" in
+*"HP-UX"*)		ARCH=hp9000;;
+*"Iris"*)		ARCH=iris4d;;
+*"Ultrix"*)		ARCH=vax;;
+*"RISC iX"*)		ARCH=arm;;
+*"Umax 4.2"*)		ARCH=encore;;
+*"Alliant Concentrix"*)	ARCH=alliant;;
+*"FPS Model 500"*)	ARCH=fps500;;
+*"HCX/UX"*)		ARCH=harris;;
+*)			ARCH=unknown;
+			if [ -d /usr/include/caif ]; then
+				ARCH=ibm032
+			elif [ -f /bin/pyr ]; then
+				if /bin/pyr; then
+					ARCH=pyr
+				fi
+			elif [ -d /NextApps ]; then
+				ARCH=next
+			elif [ -f /etc/comply ]; then
+				# Tex 4300 is essentially a sun 3.
+				ARCH=sun3
+			fi
+			;;
+esac
+
+echo "#	... architecture appears to be \"${ARCH}\"" >&2
+echo $ARCH
+
+case "$ARCH" in
+unknown) exit 1
+esac
+
+exit 0
diff --git a/usr.sbin/amd/config/misc-aix3.h b/usr.sbin/amd/config/misc-aix3.h
new file mode 100644
index 0000000..2c97d81
--- /dev/null
+++ b/usr.sbin/amd/config/misc-aix3.h
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)misc-aix3.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: misc-aix3.h,v 5.2.2.1 1992/02/09 15:10:05 jsp beta $
+ *
+ */
+
+struct ufs_args {
+	char	*fspec;				/* Block device */
+};
+
+struct nfs_args {
+	struct sockaddr_in	addr;		/* file server address */
+	fhandle_t		fh;		/* File handle to be mounted */
+	int			flags;		/* flags */
+	int			wsize;		/* write size in bytes */
+	int			rsize;		/* read size in bytes */
+	int			timeo;		/* initial timeout in .1 secs */
+	int			retrans;	/* times to retry send */
+	char			*hostname;	/* server's hostname */
+	int			acregmin;	/* attr cache file min secs */
+	int			acregmax;	/* attr cache file max secs */
+	int			acdirmin;	/* attr cache dir min secs */
+	int			acdirmax;	/* attr cache dir max secs */
+	char			*netname;	/* server's netname */
+	int			biods;		/* number of BIODS */
+};
+
+/*
+ * NFS mount option flags
+ */
+#define	MNTOPT_RO	"ro"	/* read only */
+#define	MNTOPT_RW	"rw"	/* read/write */
+#define	MNTOPT_SOFT	"soft"	/* soft mount */
+#define	MNTOPT_HARD	"hard"	/* hard mount */
+#define	MNTOPT_NOSUID	"nosuid"/* no set uid allowed */
+#define	MNTOPT_NOAUTO	"noauto"/* hide entry from mount -a */
+#define	MNTOPT_INTR	"intr"	/* allow interrupts on hard mount */
+#define MNTOPT_SECURE 	"secure"/* use secure RPC for NFS */
+#define MNTOPT_GRPID 	"grpid"	/* SysV-compatible group-id on create */
+#define MNTOPT_NOSUB	"nosub"  /* disallow mounts beneath this one */
+#define MNTOPT_MULTI	"multi"  /* Do multi-component lookup */
+#define MNTOPT_NOAC 	"noac"   /* don't cache attributes */
+
+#define NFSMNT_SOFT	0x001	/* soft mount (hard is default) */
+#define NFSMNT_WSIZE	0x002	/* set write size */
+#define NFSMNT_RSIZE	0x004	/* set read size */
+#define NFSMNT_TIMEO	0x008	/* set initial timeout */
+#define NFSMNT_RETRANS	0x010	/* set number of request retrys */
+#define NFSMNT_HOSTNAME	0x020	/* set hostname for error printf */
+#define NFSMNT_INT	0x040	/* allow interrupts on hard mount */
+#define	NFSMNT_NOAC	0x080	/* don't cache attributes */
+#define	NFSMNT_ACREGMIN	0x0100	/* set min secs for file attr cache */
+#define	NFSMNT_ACREGMAX	0x0200	/* set max secs for file attr cache */
+#define	NFSMNT_ACDIRMIN	0x0400	/* set min secs for dir attr cache */
+#define	NFSMNT_ACDIRMAX	0x0800	/* set max secs for dir attr cache */
+#define NFSMNT_SECURE	0x1000	/* secure mount */
+#define NFSMNT_BIODS	0x10000	/* Number of biods for the file system */
+
+#define DEF_BIODS	6
diff --git a/usr.sbin/amd/config/misc-hpux.h b/usr.sbin/amd/config/misc-hpux.h
new file mode 100644
index 0000000..d808627
--- /dev/null
+++ b/usr.sbin/amd/config/misc-hpux.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)misc-hpux.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: misc-hpux.h,v 5.2.2.1 1992/02/09 15:10:24 jsp beta $
+ *
+ */
+
+/*
+ * These definitions are from <nfs/nfs.h>
+ * Unfortunately, that file cannot be included
+ * because it contains lots of structure definitions
+ * that are not wanted (they produce name clashes).
+ * Isn't HP-UX wonderful!
+ */
+
+/*
+ * HP-UX specific definitions
+ */
+struct nfs_args {
+	struct sockaddr_in	*addr;		/* file server address */
+	fhandle_t		*fh;		/* File handle to be mounted */
+	int			flags;		/* flags */
+	int			wsize;		/* write size in bytes */
+	int			rsize;		/* read size in bytes */
+	int			timeo;		/* initial timeout in .1 secs */
+	int			retrans;	/* times to retry send */
+	char			*hostname;	/* server's name */
+#ifdef __hp9000s700 /* XXX for HPUX 8.0 */
+	char			*fsname;	/* server's filesystem name */
+#endif
+};
+
+/*
+ * NFS mount option flags
+ */
+#define	NFSMNT_SOFT	0x001	/* soft mount (hard is default) */
+#define	NFSMNT_WSIZE	0x002	/* set write size */
+#define	NFSMNT_RSIZE	0x004	/* set read size */
+#define	NFSMNT_TIMEO	0x008	/* set initial timeout */
+#define	NFSMNT_RETRANS	0x010	/* set number of request retrys */
+#define	NFSMNT_HOSTNAME	0x020	/* set hostname for error printf */
+#define	NFSMNT_INT	0x040	/* set option to have interruptable mounts */
+#define	NFSMNT_NODEVS   0x080   /* turn off device file access (default on) */
diff --git a/usr.sbin/amd/config/misc-irix.h b/usr.sbin/amd/config/misc-irix.h
new file mode 100644
index 0000000..f7d6682
--- /dev/null
+++ b/usr.sbin/amd/config/misc-irix.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)misc-irix.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: misc-irix.h,v 5.2.2.1 1992/02/09 15:10:30 jsp beta $
+ *
+ */
+
+#include <sys/fs/nfs_clnt.h>
+#include <sys/fsid.h>
+#include <sys/fstyp.h>
+
+struct ufs_args {
+	char *fspec;
+};
diff --git a/usr.sbin/amd/config/misc-next.h b/usr.sbin/amd/config/misc-next.h
new file mode 100644
index 0000000..46a498e
--- /dev/null
+++ b/usr.sbin/amd/config/misc-next.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)misc-next.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: misc-next.h,v 5.2.2.1 1992/02/09 15:10:34 jsp beta $
+ *
+ */
+
+#include <nfs/nfs_mount.h>
diff --git a/usr.sbin/amd/config/misc-stellix.h b/usr.sbin/amd/config/misc-stellix.h
new file mode 100644
index 0000000..275a853
--- /dev/null
+++ b/usr.sbin/amd/config/misc-stellix.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)misc-stellix.h	8.1 (Berkeley) 6/6/93
+ *
+ */
+
+#include <sys/fstyp.h>
+
+struct ufs_args {
+	char *fspec;
+};
+
+struct nfs_args {
+        struct sockaddr_in      *addr;          /* file server address */
+        fhandle_t               *fh;            /* File handle to be mounted */
+        int                     flags;          /* flags */
+        int                     wsize;          /* write size in bytes */
+        int                     rsize;          /* read size in bytes */
+        int                     timeo;          /* initial timeout in .1 secs *
+/
+        int                     retrans;        /* times to retry send */
+        char                    *hostname;      /* server's name */
+};
+#define NFSMNT_SOFT     0x001   /* soft mount (hard is default) */
+#define NFSMNT_WSIZE    0x002   /* set write size */
+#define NFSMNT_RSIZE    0x004   /* set read size */
+#define NFSMNT_TIMEO    0x008   /* set initial timeout (= 1.6 sec) */
+#define NFSMNT_RETRANS  0x010   /* set number of request retrys */
+#define NFSMNT_HOSTNAME 0x020   /* set hostname for error printf */
+#define NFSMNT_INT	0x040	/* allow interrupts on hard mount */
diff --git a/usr.sbin/amd/config/misc-ultrix.h b/usr.sbin/amd/config/misc-ultrix.h
new file mode 100644
index 0000000..640c5a7
--- /dev/null
+++ b/usr.sbin/amd/config/misc-ultrix.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)misc-ultrix.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: misc-ultrix.h,v 5.2.2.1 1992/02/09 15:10:49 jsp beta $
+ *
+ */
+
+#include        <nfs/nfs_gfs.h>
+#define KERNEL
+#include        <sys/fs_types.h>
+#undef  KERNEL
+
+#ifndef HOSTNAMESZ
+#include <nfs/nfs_clnt.h>
+#endif
+
+#include <ufs/ufs_mount.h>
+
+#define	ufs_args ufs_specific
diff --git a/usr.sbin/amd/config/mount_aix.c b/usr.sbin/amd/config/mount_aix.c
new file mode 100644
index 0000000..07d9e80
--- /dev/null
+++ b/usr.sbin/amd/config/mount_aix.c
@@ -0,0 +1,153 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)mount_aix.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: mount_aix.c,v 5.2.2.1 1992/02/09 15:10:08 jsp beta $
+ *
+ */
+
+
+/*
+ * AIX 3 Mount helper
+ */
+
+#include "misc-aix3.h"
+
+static int aix3_mkvp(p, gfstype, flags, object, stub, host, info, info_size, args)
+char *p;
+int gfstype;
+int flags;
+char *object;
+char *stub;
+char *host;
+char *info;
+int info_size;
+char *args;
+{
+	struct vmount *vp = (struct vmount *) p;
+	bzero((voidp) vp, sizeof(*vp));
+	/*
+	 * Fill in standard fields
+	 */
+	vp->vmt_revision = VMT_REVISION;
+	vp->vmt_flags = flags;
+	vp->vmt_gfstype = gfstype;
+
+#define	VMT_ROUNDUP(len) (4 * ((len + 3) / 4))
+#define VMT_ASSIGN(vp, idx, data, size) \
+	vp->vmt_data[idx].vmt_off = p - (char *) vp; \
+	vp->vmt_data[idx].vmt_size = size; \
+	bcopy(data, p, size); \
+	p += VMT_ROUNDUP(size);
+
+	/*
+	 * Fill in all variable length data
+	 */
+	p += sizeof(*vp);
+
+	VMT_ASSIGN(vp, VMT_OBJECT, object, strlen(object) + 1);
+	VMT_ASSIGN(vp, VMT_STUB, stub, strlen(stub) + 1);
+	VMT_ASSIGN(vp, VMT_HOST, host, strlen(host) + 1);
+	VMT_ASSIGN(vp, VMT_HOSTNAME, host, strlen(host) + 1);
+	VMT_ASSIGN(vp, VMT_INFO, info, info_size);
+	VMT_ASSIGN(vp, VMT_ARGS, args, strlen(args) + 1);
+
+#undef VMT_ASSIGN
+#undef VMT_ROUNDUP
+
+	/*
+	 * Return length
+	 */
+	return vp->vmt_length = p - (char *) vp;
+}
+
+/*
+ * Map from conventional mount arguments
+ * to AIX 3-style arguments.
+ */
+aix3_mount(fsname, dir, flags, type, data, args)
+char *fsname;
+char *dir;
+int flags;
+int type;
+void *data;
+char *args;
+{
+	char buf[4096];
+	int size;
+
+#ifdef DEBUG
+	dlog("aix3_mount: fsname %s, dir %s, type %d", fsname, dir, type);
+#endif /* DEBUG */
+
+/* aix3_mkvp(p, gfstype, flags, object, stub, host, info, info_size, args) */
+
+	switch (type) {
+
+	case MOUNT_TYPE_NFS: {
+		char *host = strdup(fsname);
+		char *rfs = strchr(host, ':');
+		int free_rfs = 0;
+		if (rfs) {
+			*rfs++ = '\0';
+		} else {
+			rfs = host;
+			free_rfs = 1;
+			host = strdup(hostname);
+		}
+
+		size = aix3_mkvp(buf, type, flags, rfs, dir, host, data, sizeof(struct nfs_args), args);
+		if (free_rfs)
+			free((voidp) rfs);
+		free(host);
+
+		} break;
+
+	case MOUNT_TYPE_UFS:
+		/* Need to open block device and extract log device info from sblk. */
+		return EINVAL;
+
+	default:
+		return EINVAL;
+	}
+#ifdef DEBUG
+	/*dlog("aix3_mkvp: flags %#x, size %d, args %s", flags, size, args);*/
+#endif /* DEBUG */
+
+	return vmount(buf, size);
+}
diff --git a/usr.sbin/amd/config/mount_irix.c b/usr.sbin/amd/config/mount_irix.c
new file mode 100644
index 0000000..9926960
--- /dev/null
+++ b/usr.sbin/amd/config/mount_irix.c
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)mount_irix.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: mount_irix.c,v 5.2.2.1 1992/02/09 15:10:32 jsp beta $
+ *
+ */
+
+
+/*
+ * IRIX Mount helper
+ */
+
+#include "misc-irix.h"
+
+/*
+ * Map from conventional mount arguments
+ * to IRIX style arguments.
+ */
+irix_mount(fsname, dir, flags, type, data)
+char *fsname;
+char *dir;
+int flags;
+int type;
+void *data;
+{
+	int size;
+
+#ifdef DEBUG
+	dlog("irix_mount: fsname %s, dir %s, type %d", fsname, dir, type);
+#endif /* DEBUG */
+
+	if (type == MOUNT_TYPE_NFS) {
+
+		size = sizeof (struct nfs_args);
+
+		return mount(dir, dir, (MS_FSS|MS_DATA|flags),
+			     type, (struct nfs_args *) data, size);
+
+	} else if (type == MOUNT_TYPE_UFS) {
+
+		return mount(fsname, dir, (MS_FSS|flags), type);
+
+	} else {
+		return EINVAL;
+	}
+
+}
diff --git a/usr.sbin/amd/config/mount_stellix.c b/usr.sbin/amd/config/mount_stellix.c
new file mode 100644
index 0000000..45703db
--- /dev/null
+++ b/usr.sbin/amd/config/mount_stellix.c
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)mount_stellix.c	8.1 (Berkeley) 6/6/93
+ */
+
+/*
+ * IRIX Mount helper
+ */
+
+#include "misc-stellix.h"
+
+/*
+ * Map from conventional mount arguments
+ * to IRIX style arguments.
+ */
+stellix_mount(fsname, dir, flags, type, data)
+char *fsname;
+char *dir;
+int flags;
+int type;
+void *data;
+{
+
+#ifdef DEBUG
+	dlog("stellix_mount: fsname %s, dir %s, type %d", fsname, dir, type);
+#endif /* DEBUG */
+
+	if (type == MOUNT_TYPE_NFS) {
+
+		return mount(dir, dir, (MS_FSS|MS_NFS|flags),
+			     type, (caddr_t) data );
+
+	} else if (type == MOUNT_TYPE_UFS) {
+
+		return mount(fsname, dir, (MS_FSS|flags), type);
+
+	} else {
+		return EINVAL;
+	}
+
+}
diff --git a/usr.sbin/amd/config/mtab_aix.c b/usr.sbin/amd/config/mtab_aix.c
new file mode 100644
index 0000000..78bf941
--- /dev/null
+++ b/usr.sbin/amd/config/mtab_aix.c
@@ -0,0 +1,137 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)mtab_aix.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: mtab_aix.c,v 5.2.2.1 1992/02/09 15:10:07 jsp beta $
+ *
+ */
+
+#include "am.h"
+
+#ifdef READ_MTAB_AIX3_STYLE
+
+#include <sys/mntctl.h>
+#include <sys/vmount.h>
+
+static struct mntent *mnt_dup(mp)
+struct vmount *mp;
+{
+	struct mntent *new_mp = ALLOC(mntent);
+
+	char *ty;
+	new_mp->mnt_fsname = strdup(vmt2dataptr(mp, VMT_OBJECT));
+	new_mp->mnt_dir = strdup(vmt2dataptr(mp, VMT_STUB));
+	new_mp->mnt_opts = strdup(vmt2dataptr(mp, VMT_ARGS));
+	switch (mp->vmt_gfstype) {
+	case MNT_JFS:  ty = MTAB_TYPE_UFS; break;
+	case MNT_NFS:
+		ty = MTAB_TYPE_NFS;
+		new_mp->mnt_fsname = str3cat(new_mp->mnt_fsname,
+				vmt2dataptr(mp, VMT_HOSTNAME),
+				":", new_mp->mnt_fsname);
+		break;
+	default:  ty = "unknown"; break;
+	}
+	new_mp->mnt_type = strdup(ty);
+	new_mp->mnt_passno = mp->vmt_vfsnumber;
+	new_mp->mnt_freq = 0;
+
+	return new_mp;
+}
+
+/*
+ * Read a mount table into memory
+ */
+mntlist *read_mtab(fs)
+char *fs;
+{
+	mntlist **mpp, *mhp;
+
+	int i;
+	char *mntinfo = 0, *cp;
+	struct vmount *vp;
+	int ret;
+
+	/*
+	 * First figure out size of mount table
+	 * and allocate space for a copy...
+	 * Then get mount table for real.
+	 */
+	ret = mntctl(MCTL_QUERY, sizeof(i), &i);
+	if (ret == 0) {
+		mntinfo = xmalloc(i);
+		ret = mntctl(MCTL_QUERY, i, mntinfo);
+	}
+
+	if (ret <= 0) {
+		plog(XLOG_ERROR, "mntctl: %m");
+		goto out;
+	}
+#ifdef DEBUG
+	/*dlog("mntctl returns %d structures", ret);*/
+#endif /* DEBUG */
+
+	mpp = &mhp;
+	for (i = 0, cp = mntinfo; i < ret; i++, cp += vp->vmt_length) {
+		vp = (struct vmount *) cp;
+
+		/*
+		 * Allocate a new slot
+		 */
+		*mpp = ALLOC(mntlist);
+
+		/*
+		 * Copy the data returned by mntctl
+		 */
+		(*mpp)->mnt = mnt_dup(vp);
+
+		/*
+		 * Move to next pointer
+		 */
+		mpp = &(*mpp)->mnext;
+	}
+
+	*mpp = 0;
+
+out:
+	if (mntinfo)
+		free(mntinfo);
+	return mhp;
+}
+
+#endif /* READ_MTAB_AIX3_STYLE */
diff --git a/usr.sbin/amd/config/mtab_bsd.c b/usr.sbin/amd/config/mtab_bsd.c
new file mode 100644
index 0000000..1d81127
--- /dev/null
+++ b/usr.sbin/amd/config/mtab_bsd.c
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)mtab_bsd.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: mtab_bsd.c,v 5.2.2.1 1992/02/09 15:10:13 jsp beta $
+ *
+ */
+
+#include "am.h"
+
+#ifdef READ_MTAB_BSD_STYLE
+
+#include <sys/mount.h>
+
+static struct mntent *mnt_dup(mp)
+struct statfs *mp;
+{
+	struct mntent *new_mp = ALLOC(mntent);
+	char *ty;
+
+	new_mp->mnt_fsname = strdup(mp->f_mntfromname);
+	new_mp->mnt_dir = strdup(mp->f_mntonname);
+	switch (mp->f_type) {
+	case MOUNT_UFS:  ty = MTAB_TYPE_UFS; break;
+	case MOUNT_NFS:  ty = MTAB_TYPE_NFS; break;
+	case MOUNT_MFS:  ty = MTAB_TYPE_MFS; break;
+	default:  ty = "unknown"; break;
+	}
+	new_mp->mnt_type = strdup(ty);
+	new_mp->mnt_opts = strdup("unset");
+	new_mp->mnt_freq = 0;
+	new_mp->mnt_passno = 0;
+
+	return new_mp;
+}
+
+/*
+ * Read a mount table into memory
+ */
+mntlist *read_mtab(fs)
+char *fs;
+{
+	mntlist **mpp, *mhp;
+	struct statfs *mntbufp, *mntp;
+
+	int nloc = getmntinfo(&mntbufp, MNT_NOWAIT);
+
+	if (nloc == 0) {
+		plog(XLOG_ERROR, "Can't read mount table");
+		return 0;
+	}
+
+	mpp = &mhp;
+	for (mntp = mntbufp; mntp < mntbufp + nloc; mntp++) {
+		/*
+		 * Allocate a new slot
+		 */
+		*mpp = ALLOC(mntlist);
+
+		/*
+		 * Copy the data returned by getmntent
+		 */
+		(*mpp)->mnt = mnt_dup(mntp);
+
+		/*
+		 * Move to next pointer
+		 */
+		mpp = &(*mpp)->mnext;
+	}
+
+	/*
+	 * Terminate the list
+	 */
+	*mpp = 0;
+
+	return mhp;
+}
+
+#endif /* READ_MTAB_BSD_STYLE */
diff --git a/usr.sbin/amd/config/mtab_file.c b/usr.sbin/amd/config/mtab_file.c
new file mode 100644
index 0000000..8101f71
--- /dev/null
+++ b/usr.sbin/amd/config/mtab_file.c
@@ -0,0 +1,472 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)mtab_file.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: mtab_file.c,v 5.2.2.1 1992/02/09 15:10:42 jsp beta $
+ *
+ */
+
+#include "am.h"
+
+#ifdef READ_MTAB_FROM_FILE
+
+#ifdef USE_FCNTL
+#include <fcntl.h>
+#else
+#include <sys/file.h>
+#endif /* USE_FCNTL */
+
+#ifdef UPDATE_MTAB
+
+/*
+ * Do strict /etc/mtab locking
+ */
+#define	MTAB_LOCKING
+
+/*
+ * Firewall mtab entries
+ */
+#define	MTAB_STRIPNL
+
+#include <sys/stat.h>
+static FILE *mnt_file;
+
+/*
+ * If the system is being trashed by something, then
+ * opening mtab may fail with ENFILE.  So, go to sleep
+ * for a second and try again. (Yes - this has happened to me.)
+ *
+ * Note that this *may* block the automounter, oh well. 
+ * If we get to this state then things are badly wrong anyway...
+ *
+ * Give the system 10 seconds to recover but then give up.
+ * Hopefully something else will exit and free up some file
+ * table slots in that time.
+ */
+#define	NFILE_RETRIES	10 /* seconds */
+
+#ifdef MTAB_LOCKING
+#ifdef LOCK_FCNTL
+static int lock(fd)
+{
+	int rc;
+	struct flock lk;
+
+	lk.l_type = F_WRLCK;
+	lk.l_whence = 0;
+	lk.l_start = 0;
+	lk.l_len = 0;
+
+again:
+	rc = fcntl(fd, F_SETLKW, (caddr_t) &lk);
+	if (rc < 0 && (errno == EACCES || errno == EAGAIN)) {
+#ifdef DEBUG
+		dlog("Blocked, trying to obtain exclusive mtab lock");
+#endif /* DEBUG */
+		sleep(1);
+		goto again;
+	}
+	return rc;
+}
+#else
+#define lock(fd) (flock((fd), LOCK_EX))
+#endif /* LOCK_FCNTL */
+#endif /* MTAB_LOCKING */
+
+static FILE *open_locked_mtab(mtab_file, mode, fs)
+char *mtab_file;
+char *mode;
+char *fs;
+{
+	FILE *mfp = 0;
+
+#ifdef UPDATE_MTAB
+	/*
+	 * There is a possible race condition if two processes enter
+	 * this routine at the same time.  One will be blocked by the
+	 * exclusive lock below (or by the shared lock in setmntent)
+	 * and by the time the second process has the exclusive lock
+	 * it will be on the wrong underlying object.  To check for this
+	 * the mtab file is stat'ed before and after all the locking
+	 * sequence, and if it is a different file then we assume that
+	 * it may be the wrong file (only "may", since there is another
+	 * race between the initial stat and the setmntent).
+	 *
+	 * Simpler solutions to this problem are invited...
+	 */
+	int racing = 2;
+#ifdef MTAB_LOCKING
+	int rc;
+	int retries = 0;
+	struct stat st_before, st_after;
+#endif /* MTAB_LOCKING */
+
+	if (mnt_file) {
+#ifdef DEBUG
+		dlog("Forced close on %s in read_mtab", mtab_file);
+#endif /* DEBUG */
+		endmntent(mnt_file);
+		mnt_file = 0;
+	}
+
+#ifdef MTAB_LOCKING
+again:
+	if (mfp) {
+		endmntent(mfp);
+		mfp = 0;
+	}
+
+	clock_valid = 0;
+	if (stat(mtab_file, &st_before) < 0) {
+		plog(XLOG_ERROR, "%s: stat: %m", mtab_file);
+		if (errno == ESTALE) {
+			/* happens occasionally */
+			sleep(1);
+			goto again;
+		}
+		return 0;
+	}
+#endif /* MTAB_LOCKING */
+#endif /* UPDATE_MTAB */
+
+eacces:
+	mfp = setmntent(mtab_file, mode);
+	if (!mfp) {
+		/*
+		 * Since setmntent locks the descriptor, it
+		 * is possible it can fail... so retry if
+		 * needed.
+		 */
+		if (errno == EACCES || errno == EAGAIN) {
+#ifdef DEBUG
+			dlog("Blocked, trying to obtain exclusive mtab lock");
+#endif /* DEBUG */
+			goto eacces;
+		} else if (errno == ENFILE && retries++ < NFILE_RETRIES) {
+			sleep(1);
+			goto eacces;
+		}
+
+		plog(XLOG_ERROR, "setmntent(\"%s\", \"%s\"): %m", mtab_file, mode);
+		return 0;
+	}
+
+#ifdef MTAB_LOCKING
+#ifdef UPDATE_MTAB
+	/*
+	 * At this point we have an exclusive lock on the mount list,
+	 * but it may be the wrong one so...
+	 */
+
+	/*
+	 * Need to get an exclusive lock on the current
+	 * mount table until we have a new copy written
+	 * out, when the lock is released in free_mntlist.
+	 * flock is good enough since the mount table is
+	 * not shared between machines.
+	 */
+	do
+		rc = lock(fileno(mfp));
+	while (rc < 0 && errno == EINTR);
+	if (rc < 0) {
+		plog(XLOG_ERROR, "Couldn't lock %s: %m", mtab_file);
+		endmntent(mfp);
+		return 0;
+	}
+	/*
+	 * Now check whether the mtab file has changed under our feet
+	 */
+	if (stat(mtab_file, &st_after) < 0) {
+		plog(XLOG_ERROR, "%s: stat", mtab_file);
+		goto again;
+	}
+
+	if (st_before.st_dev != st_after.st_dev ||
+		st_before.st_ino != st_after.st_ino) {
+			struct timeval tv;
+			if (racing == 0) {
+				/* Sometimes print a warning */
+				plog(XLOG_WARNING,
+					"Possible mount table race - retrying %s", fs);
+			}
+			racing = (racing+1) & 3;
+			/*
+			 * Take a nap.  From: Doug Kingston <dpk@morgan.com>
+			 */
+			tv.tv_sec = 0;
+			tv.tv_usec = (mypid & 0x07) << 17;
+			if (tv.tv_usec)
+				if (select(0, (voidp) 0, (voidp) 0, (voidp) 0, &tv) < 0)
+					plog(XLOG_WARNING, "mtab nap failed: %m");
+
+			goto again;
+	}
+#endif /* UPDATE_MTAB */
+#endif /* MTAB_LOCKING */
+
+	return mfp;
+}
+
+/*
+ * Unlock the mount table
+ */
+void unlock_mntlist P((void));
+void unlock_mntlist()
+{
+	/*
+	 * Release file lock, by closing the file
+	 */
+	if (mnt_file) {
+		endmntent(mnt_file);
+		mnt_file = 0;
+	}
+}
+
+/*
+ * Write out a mount list
+ */
+void rewrite_mtab(mp)
+mntlist *mp;
+{
+	FILE *mfp;
+	int error = 0;
+
+	/*
+	 * Concoct a temporary name in the same
+	 * directory as the target mount table
+	 * so that rename() will work.
+	 */
+	char tmpname[64];
+	int retries;
+	int tmpfd;
+	char *cp;
+	char *mcp = mtab;
+	cp = strrchr(mcp, '/');
+	if (cp) {
+		bcopy(mcp, tmpname, cp - mcp);
+		tmpname[cp-mcp] = '\0';
+	} else {
+		plog(XLOG_WARNING, "No '/' in mtab (%s), using \".\" as tmp directory", mtab);
+		tmpname[0] = '.'; tmpname[1] = '\0';
+	}
+	strcat(tmpname, "/mtabXXXXXX");
+	mktemp(tmpname);
+	retries = 0;
+enfile1:
+	if ((tmpfd = open(tmpname, O_RDWR|O_CREAT|O_TRUNC, 0644)) < 0) {
+		if (errno == ENFILE && retries++ < NFILE_RETRIES) {
+			sleep(1);
+			goto enfile1;
+		}
+		plog(XLOG_ERROR, "%s: open: %m", tmpname);
+		return;
+	}
+	if (close(tmpfd) < 0)
+		plog(XLOG_ERROR, "Couldn't close tmp file descriptor: %m");
+
+	retries = 0;
+enfile2:
+	mfp = setmntent(tmpname, "w");
+	if (!mfp) {
+		if (errno == ENFILE && retries++ < NFILE_RETRIES) {
+			sleep(1);
+			goto enfile2;
+		}
+		plog(XLOG_ERROR, "setmntent(\"%s\", \"w\"): %m", tmpname);
+		error = 1;
+		goto out;
+	}
+
+	while (mp) {
+		if (mp->mnt) {
+			if (addmntent(mfp, mp->mnt)) {
+				plog(XLOG_ERROR, "Can't write entry to %s", tmpname);
+				error = 1;
+				goto out;
+			}
+		}
+		mp = mp->mnext;
+	}
+
+	/*
+	 * SunOS 4.1 manuals say that the return code from entmntent()
+	 * is always 1 and to treat as a void.  That means we need to
+	 * call fflush() to make sure the new mtab file got written.
+	 */
+	if (fflush(mfp)) {
+		plog(XLOG_ERROR, "flush new mtab file: %m");
+		error = 1;
+		goto out;
+	}
+
+	(void) endmntent(mfp);
+
+	/*
+	 * Rename temporary mtab to real mtab
+	 */
+	if (rename(tmpname, mtab) < 0) {
+		plog(XLOG_ERROR, "rename %s to %s: %m", tmpname, mtab);
+		error = 1;
+		goto out;
+	}
+
+out:
+	if (error)
+		(void) unlink(tmpname);
+}
+
+#ifdef MTAB_STRIPNL
+static void mtab_stripnl(s)
+char *s;
+{
+	do {
+		s = strchr(s, '\n');
+		if (s)
+			*s++ = ' ';
+	} while (s);
+}
+#endif /* MTAB_STRIPNL */
+
+/*
+ * Append a mntent structure to the
+ * current mount table.
+ */
+void write_mntent(mp)
+struct mntent *mp;
+{
+	int retries = 0;
+	FILE *mfp;
+enfile:
+	mfp = open_locked_mtab(mtab, "a", mp->mnt_dir);
+	if (mfp) {
+#ifdef MTAB_STRIPNL
+		mtab_stripnl(mp->mnt_opts);
+#endif /* MTAB_STRIPNL */
+		if (addmntent(mfp, mp))
+			plog(XLOG_ERROR, "Couldn't write %s: %m", mtab);
+		if (fflush(mfp))
+			plog(XLOG_ERROR, "Couldn't flush %s: %m", mtab);
+		(void) endmntent(mfp);
+	} else {
+		if (errno == ENFILE && retries < NFILE_RETRIES) {
+			sleep(1);
+			goto enfile;
+		}
+		plog(XLOG_ERROR, "setmntent(\"%s\", \"a\"): %m", mtab);
+	}
+}
+
+#endif /* UPDATE_MTAB */
+
+static struct mntent *mnt_dup(mp)
+struct mntent *mp;
+{
+	struct mntent *new_mp = ALLOC(mntent);
+
+	new_mp->mnt_fsname = strdup(mp->mnt_fsname);
+	new_mp->mnt_dir = strdup(mp->mnt_dir);
+	new_mp->mnt_type = strdup(mp->mnt_type);
+	new_mp->mnt_opts = strdup(mp->mnt_opts);
+
+	new_mp->mnt_freq = mp->mnt_freq;
+	new_mp->mnt_passno = mp->mnt_passno;
+
+#ifdef FIXUP_MNTENT_DUP
+	/*
+	 * Additional fields get dup'ed here
+	 */
+	FIXUP_MNTENT_DUP(new_mp, mp);
+#endif
+
+	return new_mp;
+}
+
+/*
+ * Read a mount table into memory
+ */
+mntlist *read_mtab(fs)
+char *fs;
+{
+	mntlist **mpp, *mhp;
+
+	struct mntent *mep;
+	FILE *mfp = open_locked_mtab(mtab, "r+", fs);
+
+	if (!mfp)
+		return 0;
+
+	mpp = &mhp;
+
+/*
+ * XXX - In SunOS 4 there is (yet another) memory leak
+ * which loses 1K the first time getmntent is called.
+ * (jsp)
+ */
+	while (mep = getmntent(mfp)) {
+		/*
+		 * Allocate a new slot
+		 */
+		*mpp = ALLOC(mntlist);
+
+		/*
+		 * Copy the data returned by getmntent
+		 */
+		(*mpp)->mnt = mnt_dup(mep);
+
+		/*
+		 * Move to next pointer
+		 */
+		mpp = &(*mpp)->mnext;
+	}
+	*mpp = 0;
+
+#ifdef UPDATE_MTAB
+	/*
+	 * If we are not updating the mount table then we
+	 * can free the resources held here, otherwise they
+	 * must be held until the mount table update is complete
+	 */
+	mnt_file = mfp;
+#else
+	endmntent(mfp);
+#endif /* UPDATE_MTAB */
+
+	return mhp;
+}
+
+#endif /* READ_MTAB_FROM_FILE */
diff --git a/usr.sbin/amd/config/mtab_ultrix.c b/usr.sbin/amd/config/mtab_ultrix.c
new file mode 100644
index 0000000..241ea88
--- /dev/null
+++ b/usr.sbin/amd/config/mtab_ultrix.c
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)mtab_ultrix.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: mtab_ultrix.c,v 5.2.2.1 1992/02/09 15:10:50 jsp beta $
+ *
+ */
+
+#include "am.h"
+
+#ifdef READ_MTAB_ULTRIX_STYLE
+
+#include <sys/mount.h>
+#include <sys/fs_types.h>
+
+static struct mntent *mnt_dup(mp)
+struct fs_data *mp;
+{
+	struct mntent *new_mp = ALLOC(mntent);
+
+	new_mp->mnt_fsname = strdup(mp->fd_devname);
+	new_mp->mnt_dir = strdup(mp->fd_path);
+        if (mp->fd_fstype >= GT_NUMTYPES)
+                mp->fd_fstype = GT_UNKWN;
+        else if (gt_names[mp->fd_fstype] == 0)
+                mp->fd_fstype = GT_UNKWN;
+        new_mp->mnt_type = strdup(gt_names[mp->fd_fstype]);
+	new_mp->mnt_opts = strdup("unset");
+
+	new_mp->mnt_freq = 0;
+	new_mp->mnt_passno = mp->fd_dev;
+
+	return new_mp;
+}
+
+/*
+ * Read a mount table into memory
+ */
+mntlist *read_mtab(fs)
+char *fs;
+{
+	mntlist **mpp, *mhp;
+
+/* From: Piete Brooks <pb@cl.cam.ac.uk> */
+
+	int loc=0;
+#undef	NMOUNT
+#define	NMOUNT	20
+	struct fs_data mountbuffer[NMOUNT], *fs_data;
+	int ret;
+
+	mpp = &mhp;
+	while ((ret = getmountent(&loc, mountbuffer, NMOUNT)) > 0) {
+	        for (fs_data = mountbuffer; fs_data < &mountbuffer[ret]; fs_data++) {
+			/*
+			 * Allocate a new slot
+			 */
+			*mpp = ALLOC(mntlist);
+
+			/*
+			 * Copy the data returned by getmntent
+			 */
+			(*mpp)->mnt = mnt_dup(fs_data);
+
+			/*
+			 * Move to next pointer
+			 */
+			mpp = &(*mpp)->mnext;
+		}
+	}
+	if (ret < 0) {
+		plog(XLOG_ERROR, "getmountent: %m");
+		return 0;
+	}
+	*mpp = 0;
+
+	return mhp;
+}
+
+#endif /* READ_MTAB_ULTRIX_STYLE */
diff --git a/usr.sbin/amd/config/newvers.sh b/usr.sbin/amd/config/newvers.sh
new file mode 100644
index 0000000..a510966
--- /dev/null
+++ b/usr.sbin/amd/config/newvers.sh
@@ -0,0 +1,88 @@
+#!/bin/sh -
+#
+# Copyright (c) 1989 Jan-Simon Pendry
+# Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+# Copyright (c) 1989, 1993
+#	The Regents of the University of California.  All Rights Reserved.
+#
+# This code is derived from software contributed to Berkeley by
+# Jan-Simon Pendry at Imperial College, London.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#	This product includes software developed by the University of
+#	California, Berkeley and its contributors.
+# 4. Neither the name of the University nor the names of its contributors
+#    may be used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+#	@(#)newvers.sh	8.1 (Berkeley) 6/6/93
+#
+# $Id: newvers.sh,v 5.2.2.1 1992/02/09 15:11:19 jsp beta $
+#
+PATH=/usr/ucb:/bin:/usr/bin:$PATH
+if [ $# -ne 3 ]; then echo "Usage: newvers program arch os" >&2; exit 1; fi
+version="version.$1"
+if [ ! -r $version ]; then echo 0 > $version; chmod 444 $version; fi
+v=`cat $version`
+u=${USER-${LOGNAME-root}}
+h=`hostname`
+#h=`expr "$h" : '\([^.]*\)'`
+t=`date`
+if [ ! -s "$d../config/RELEASE"  -o ! -s "$d../text/COPYRIGHT" ]; then
+	echo ERROR: config file missing >&2
+	exit 1
+fi
+rm -f vers.$1.c
+(
+cat << %%
+char copyright[] = "\\
+%%
+sed 's/$/\\n\\/' $d../text/COPYRIGHT
+cat << %%
+";
+char version[] = "\\
+%%
+cat << %%
+$1 \\
+%%
+sed \
+	-e 's/\$//g' \
+	-e 's/[A-Z][a-z]*://g' \
+	-e 's/  */ /g' \
+	-e 's/^ //' \
+	-e 's/$/\\/' \
+	$d../config/RELEASE
+cat << %%
+ #${v}: ${t}\\n\\
+Built by ${u}@${h} for \\
+%%
+case "$2" in
+[aeiou]*) echo "an \\" ;;
+*) echo "a \\";;
+esac
+echo "$2 running $3\";"
+) > vers.$1.c
+rm -f $version
+expr ${v} + 1 > $version
+chmod 444 $version
diff --git a/usr.sbin/amd/config/os-acis43.h b/usr.sbin/amd/config/os-acis43.h
new file mode 100644
index 0000000..bcc44d5
--- /dev/null
+++ b/usr.sbin/amd/config/os-acis43.h
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-acis43.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-acis43.h,v 5.2.2.1 1992/02/09 15:10:02 jsp beta $
+ *
+ * IBM RT ACIS4.3 definitions for Amd (automounter)
+ */
+
+/*
+ * Does the compiler grok void *
+ */
+#define	VOIDP
+
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	RPC_3
+
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	NFS_3
+
+/*
+ * Does this OS have NDBM support?
+ */
+#define OS_HAS_NDBM
+
+/*
+ * Name of filesystem types
+ */
+#define	MOUNT_TYPE_NFS	MOUNT_NFS
+#define	MOUNT_TYPE_UFS	MOUNT_UFS
+#undef MTAB_TYPE_UFS
+#define	MTAB_TYPE_UFS	"ufs"
+
+#undef ARCH_ENDIAN
+#define	ARCH_ENDIAN	"big"
+
+/*
+ * Need precise symlink lengths
+#define PRECISE_SYMLINKS
+ */
diff --git a/usr.sbin/amd/config/os-aix3.h b/usr.sbin/amd/config/os-aix3.h
new file mode 100644
index 0000000..c70b159
--- /dev/null
+++ b/usr.sbin/amd/config/os-aix3.h
@@ -0,0 +1,181 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-aix3.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-aix3.h,v 5.2.2.2 1992/05/31 16:38:49 jsp Exp $
+ *
+ * AIX 3.1 definitions for Amd (automounter)
+ */
+
+/*
+ * Does the compiler grok void *
+ */
+#define	VOIDP
+
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	RPC_4
+
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	NFS_AIX3
+
+/*
+ * Does this OS have NDBM support?
+ */
+#define OS_HAS_NDBM
+
+/*
+ * The mount table is obtained from the kernel
+ */
+#undef	UPDATE_MTAB
+
+/*
+ * Pick up BSD bits from include files
+ * Try for 4.4 compatibility if available (AIX 3.2 and later)
+ */
+#define	_BSD 44
+
+/*
+ * No mntent info on AIX 3
+ */
+#undef	MNTENT_HDR
+#define	MNTENT_HDR <sys/mntctl.h>
+
+/*
+ * Name of filesystem types
+ */
+#define	MOUNT_TYPE_NFS	MNT_NFS
+#define	MOUNT_TYPE_UFS	MNT_JFS
+#undef MTAB_TYPE_UFS
+#define	MTAB_TYPE_UFS	"jfs"
+
+/*
+ * How to unmount filesystems
+ */
+#undef MOUNT_TRAP
+#define	MOUNT_TRAP(type, mnt, flag, mnt_data) \
+	aix3_mount(mnt->mnt_fsname, mnt->mnt_dir, flag, type, mnt_data, mnt->mnt_opts)
+#undef	UNMOUNT_TRAP
+#define	UNMOUNT_TRAP(mnt)	uvmount(mnt->mnt_passno, 0)
+
+
+/*
+ * Byte ordering
+ */
+#ifndef BYTE_ORDER
+#include <sys/machine.h>
+#endif /* BYTE_ORDER */
+
+#undef ARCH_ENDIAN
+#if BYTE_ORDER == LITTLE_ENDIAN
+#define ARCH_ENDIAN "little"
+#else
+#if BYTE_ORDER == BIG_ENDIAN
+#define ARCH_ENDIAN "big"
+#else
+XXX - Probably no hope of running Amd on this machine!
+#endif /* BIG */
+#endif /* LITTLE */
+
+/*
+ * Miscellaneous AIX 3 bits
+ */
+#define	NEED_MNTOPT_PARSER
+#define	SHORT_MOUNT_NAME
+
+#define	MNTMAXSTR       128
+
+#define	MNTTYPE_UFS	"jfs"		/* Un*x file system */
+#define	MNTTYPE_NFS	"nfs"		/* network file system */
+#define	MNTTYPE_IGNORE	"ignore"	/* No type specified, ignore this entry */
+
+struct mntent {
+	char	*mnt_fsname;	/* name of mounted file system */
+	char	*mnt_dir;	/* file system path prefix */
+	char	*mnt_type;	/* MNTTYPE_* */
+	char	*mnt_opts;	/* MNTOPT* */
+	int	mnt_freq;	/* dump frequency, in days */
+	int	mnt_passno;	/* pass number on parallel fsck */
+};
+
+#define	NFS_HDR "misc-aix3.h"
+#define	UFS_HDR "misc-aix3.h"
+#undef NFS_FH_DREF
+#define	NFS_FH_DREF(dst, src) { (dst) = *(src); }
+#undef NFS_SA_DREF
+#define	NFS_SA_DREF(dst, src) { (dst).addr = *(src); }
+#define	M_RDONLY MNT_READONLY
+
+/*
+ * How to get a mount list
+ */
+#undef	READ_MTAB_FROM_FILE
+#define	READ_MTAB_AIX3_STYLE
+
+/*
+ * The data for the mount syscall needs the path in addition to the
+ * host name since that is the only source of information about the
+ * mounted filesystem.
+#define	NFS_ARGS_NEEDS_PATH
+ */
+
+#define	NFS_LOMAP	34
+#define	NFS_HIMAP	99
+#define NFS_ERROR_MAPPING \
+static nfs_errormap[] = {	     0,75,77,99,99,99, \
+			99,99,99,99,99,78,99,99,99,79, \
+			99,99,70,99,35,36,37,38,39,40, \
+			41,42,43,44,45,46,47,48,49,50, \
+			51,52,53,54,55,56,57,58,60,61, \
+			64,65,99,67,68,62,63,66,69,68, \
+			99,99,99,71,99,99,99,99,99,99 \
+			};
+
+#define	MOUNT_HELPER_SOURCE "mount_aix.c"
+
+/*
+ * Need this too
+ */
+#include <time.h>
diff --git a/usr.sbin/amd/config/os-aux.h b/usr.sbin/amd/config/os-aux.h
new file mode 100644
index 0000000..edd85a4
--- /dev/null
+++ b/usr.sbin/amd/config/os-aux.h
@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-aux.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-aux.h,v 5.2.2.1 1992/02/09 15:10:10 jsp beta $
+ *
+ * A/UX macII definitions for Amd (automounter)
+ * Contributed by Julian Onions <jpo@cs.nott.ac.uk>
+ */
+
+/*
+ * Does the compiler grok void *
+ */
+#define	VOIDP
+
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	RPC_3
+
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	NFS_3
+
+/*
+ * Byte ordering
+ */
+#undef ARCH_ENDIAN
+#define	ARCH_ENDIAN	"big"
+
+/*
+ * No support for ndbm
+ */
+#undef OS_HAS_NDBM
+
+/*
+ * Name of filesystem types
+ */
+#define	MOUNT_TYPE_UFS	MOUNT_UFS
+#define MOUNT_TYPE_NFS MOUNT_NFS
+
+#undef MTAB_TYPE_UFS
+#define	MTAB_TYPE_UFS	"5.2"
+
+#define SIGCHLD	SIGCLD
+#define	SYS5_SIGNALS
+
+/*
+ * Use <fcntl.h> rather than <sys/file.h>
+ */
+#define USE_FCNTL
+
+/*
+ * Use fcntl() rather than flock()
+ */
+#define LOCK_FCNTL
+
+#ifdef __GNUC__
+#define alloca(sz) __builtin_alloca(sz)
+#endif
+
+#define	bzero(ptr, len)	memset(ptr, 0, len)
+#define bcopy(from, to, len) memcpy(to, from, len)
+#define getpagesize() (2048)
+#undef MOUNT_TRAP
+#define MOUNT_TRAP(type, mnt, flags, mnt_data) \
+	fsmount(type, mnt->mnt_dir, flags, mnt_data)
+#undef UNMOUNT_TRAP
+#define	UNMOUNT_TRAP(mnt)	unmount(mnt->mnt_dir)
+#define NFDS	30	/* conservative */
+
+/* not included in sys/param.h */
+#include <sys/types.h>
+/* not part of sys/time.h */
+#include <time.h>
+/* for NMOUNT */
+#include <sys/config.h>
diff --git a/usr.sbin/amd/config/os-bsd44.h b/usr.sbin/amd/config/os-bsd44.h
new file mode 100644
index 0000000..837d596
--- /dev/null
+++ b/usr.sbin/amd/config/os-bsd44.h
@@ -0,0 +1,191 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-bsd44.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-bsd44.h,v 5.2.2.1 1992/02/09 15:10:11 jsp beta $
+ *
+ * 4.4 BSD definitions for Amd (automounter)
+ */
+
+/*
+ * Does the compiler grok void *
+ */
+#define	VOIDP
+
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	RPC_4
+
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	NFS_44
+#define HAS_TCP_NFS
+
+/*
+ * Does this OS have NDBM support?
+ */
+#define OS_HAS_NDBM
+
+/*
+ * 4.4 doesn't provide NIS.
+ */
+#undef HAS_NIS_MAPS
+
+/*
+ * OS provides strerror()
+ */
+#define HAS_STRERROR
+
+/*
+ * The mount table is obtained from the kernel
+ */
+#undef	UPDATE_MTAB
+
+/*
+ * No mntent info on 4.4 BSD
+ */
+#undef	MNTENT_HDR
+
+/*
+ * Name of filesystem types
+ */
+#define	MOUNT_TYPE_NFS	MOUNT_NFS
+#define	MOUNT_TYPE_UFS	MOUNT_UFS
+#undef MTAB_TYPE_UFS
+#define	MTAB_TYPE_UFS	"ufs"
+#define	MTAB_TYPE_MFS	"mfs"
+
+/*
+ * How to unmount filesystems
+ */
+#undef UNMOUNT_TRAP
+#undef	NEED_UMOUNT_FS
+#define	NEED_UMOUNT_BSD
+
+/*
+ * How to copy an address into an NFS filehandle
+ */
+#undef NFS_SA_DREF
+#define	NFS_SA_DREF(dst, src) { \
+		(dst).addr = (struct sockaddr *) (src); \
+		(dst).addrlen = sizeof(*src); \
+		(dst).sotype = SOCK_DGRAM; \
+		(dst).proto = 0; \
+	}
+
+/*
+ * Byte ordering
+ */
+#ifndef BYTE_ORDER
+#include <machine/endian.h>
+#endif /* BYTE_ORDER */
+
+#undef ARCH_ENDIAN
+#if BYTE_ORDER == LITTLE_ENDIAN
+#define ARCH_ENDIAN "little"
+#else
+#if BYTE_ORDER == BIG_ENDIAN
+#define ARCH_ENDIAN "big"
+#else
+XXX - Probably no hope of running Amd on this machine!
+#endif /* BIG */
+#endif /* LITTLE */
+
+/*
+ * Miscellaneous 4.4 BSD bits
+ */
+#define	NEED_MNTOPT_PARSER
+#define	SHORT_MOUNT_NAME
+
+#define	MNTMAXSTR       128
+
+#define	MNTTYPE_UFS	"ufs"		/* Un*x file system */
+#define	MNTTYPE_NFS	"nfs"		/* network file system */
+#define	MNTTYPE_MFS	"mfs"		/* memory file system */
+#define	MNTTYPE_IGNORE	"ignore"	/* No type specified, ignore this entry */
+
+#define	M_RDONLY	MNT_RDONLY
+#define	M_SYNC		MNT_SYNCHRONOUS
+#define	M_NOEXEC	MNT_NOEXEC
+#define	M_NOSUID	MNT_NOSUID
+#define	M_NODEV		MNT_NODEV
+
+#define	MNTOPT_SOFT	"soft"		/* soft mount */
+#define	MNTOPT_INTR	"intr"		/* interrupts allowed */
+
+#define NFSMNT_HOSTNAME	0		/* hostname on 4.4 is not optional */
+
+struct mntent {
+	char	*mnt_fsname;	/* name of mounted file system */
+	char	*mnt_dir;	/* file system path prefix */
+	char	*mnt_type;	/* MNTTYPE_* */
+	char	*mnt_opts;	/* MNTOPT* */
+	int	mnt_freq;	/* dump frequency, in days */
+	int	mnt_passno;	/* pass number on parallel fsck */
+};
+
+/*
+ * Type of a file handle
+ */
+#undef NFS_FH_TYPE
+#define	NFS_FH_TYPE	nfsv2fh_t *
+
+/*
+ * How to get a mount list
+ */
+#undef	READ_MTAB_FROM_FILE
+#define	READ_MTAB_BSD_STYLE
+
+/*
+ * The data for the mount syscall needs the path in addition to the
+ * host name since that is the only source of information about the
+ * mounted filesystem.
+ */
+#define	NFS_ARGS_NEEDS_PATH
+
+/*
+ * 4.4 has RE support built in
+ */
+#undef RE_HDR
+#define RE_HDR <regexp.h>
diff --git a/usr.sbin/amd/config/os-concentrix.h b/usr.sbin/amd/config/os-concentrix.h
new file mode 100644
index 0000000..4a130e0
--- /dev/null
+++ b/usr.sbin/amd/config/os-concentrix.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-concentrix.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-concentrix.h,v 5.2.2.1 1992/02/09 15:10:14 jsp beta $
+ *
+ * Alliant Concentrix 5.0.0 definitions for Amd (automounter)
+ */
+
+/*
+ * Does the compiler grok void *
+ */
+#undef	VOIDP
+
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	RPC_3
+
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	NFS_3
+
+/*
+ * Does this OS have NDBM support?
+ */
+#define OS_HAS_NDBM
+
+/*
+ * Byte ordering
+ */
+#undef ARCH_ENDIAN
+#define	ARCH_ENDIAN	"big"
+
+/*
+ * Name of filesystem types
+ */
+#define MOUNT_TYPE_NFS	MOUNT_NFS
+#define MOUNT_TYPE_UFS	MOUNT_UFS
diff --git a/usr.sbin/amd/config/os-convex.h b/usr.sbin/amd/config/os-convex.h
new file mode 100644
index 0000000..ade6c4c
--- /dev/null
+++ b/usr.sbin/amd/config/os-convex.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-convex.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-convex.h,v 5.2.2.1 1992/02/09 15:10:16 jsp beta $
+ *
+ * Convex C220, version 7.1 definitions for Amd (automounter)
+ *         from Eitan Mizrotsky <eitan@shum.huji.ac.il>
+ */
+
+
+/*
+ * Does the compiler grok void *
+ */
+#undef	VOIDP
+ 
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	RPC_3
+ 
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	NFS_3
+ 
+/*
+ * Byte ordering
+ */
+#undef ARCH_ENDIAN
+#define	ARCH_ENDIAN	"big"
+ 
+/*
+ * Name of filesystem types
+ */
+#define	MOUNT_TYPE_UFS	MOUNT_UFS
+#define MOUNT_TYPE_NFS	MOUNT_NFS
+ 
+ 
+#define strrchr rindex
+#define strchr  index
diff --git a/usr.sbin/amd/config/os-defaults.h b/usr.sbin/amd/config/os-defaults.h
new file mode 100644
index 0000000..ce10ae2
--- /dev/null
+++ b/usr.sbin/amd/config/os-defaults.h
@@ -0,0 +1,143 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-defaults.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-defaults.h,v 5.2.2.1 1992/02/09 15:10:17 jsp beta $
+ *
+ * Common OS definitions.  These may be overridden in
+ * the OS specific files ("os-foo.h").
+ */
+
+/*
+ * What level of AMD are we backward compatible with?
+ * This only applies to externally visible characteristics.
+ * Rev.Minor.Branch.Patch (2 digits each)
+ */
+#define	AMD_COMPAT	5000000		/* 5.0 */
+
+/*
+ * What type is free(void*) returning?
+ */
+#define FREE_RETURN_TYPE	void
+
+/*
+ * Is the mount table mirrored in software
+ */
+#define	UPDATE_MTAB
+
+/*
+ * Where to get union wait
+ */
+#define	WAIT	<sys/wait.h>
+
+/*
+ * Where to get mount entry info
+ */
+#define	MNTENT_HDR	<mntent.h>
+
+/*
+ * Include support for syslog()
+ */
+#define	HAS_SYSLOG
+
+/*
+ * Byte ordering
+ */
+#define	ARCH_ENDIAN	"unknown"
+
+/*
+ * Name of filesystem types
+ */
+#define	MTAB_TYPE_NFS	"nfs"
+#define	MTAB_TYPE_UFS	"4.2"
+
+/*
+ * Name of mount & unmount system calls
+ *
+ * NOTE:
+ *  UNMOUNT_TRAP takes a struct mntent *
+ */
+#define	MOUNT_TRAP(type, mnt, flags, mnt_data) \
+	mount(type, mnt->mnt_dir, flags, mnt_data)
+#define	UNMOUNT_TRAP(mnt)	unmount(mnt->mnt_dir)
+
+/*
+ * How to unmount filesystems.
+ * NEED_UMOUNT_FS includes code to scan the mount table
+ * to find the correct information for the unmount system
+ * call.  Some systems, such as 4.4bsd, do not require
+ * this - they can just do an unmount system call directly.
+ */
+#define	NEED_UMOUNT_FS
+#define	UMOUNT_FS(dir)	umount_fs(dir)
+
+/*
+ * Type of a file handle
+ */
+#define	NFS_FH_TYPE	fhandle_t *
+#define	NFS_FH_DREF(dst, src) { (dst) = (src); }
+
+/*
+ * How to copy an address into an NFS filehandle
+ */
+#define	NFS_SA_DREF(dst, src) { (dst).addr = (src); }
+
+/*
+ * Type of filesystem type
+ */
+#define	MTYPE_TYPE	int
+
+/*
+ * How to get a mount list
+ */
+#define	READ_MTAB_FROM_FILE
+
+/*
+ * Make Amd automount points appear
+ * to be zero sized.  undef this
+ * if the O/S has a divide by zero
+ * problem in df et al.
+ */
+#define	HAS_EMPTY_AUTOMOUNTS
+
+/*
+ * For the RE matcher
+ */
+#define	CHARBITS 0377
+#define STRCSPN
+#define RE_HDR "re.h"
diff --git a/usr.sbin/amd/config/os-dgux.h b/usr.sbin/amd/config/os-dgux.h
new file mode 100644
index 0000000..98c81bf
--- /dev/null
+++ b/usr.sbin/amd/config/os-dgux.h
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-dgux.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-dgux.h,v 5.2.2.1 1992/02/09 15:10:18 jsp beta $
+ *
+ * dg/ux definitions for Amd (automounter)
+ */
+
+/*
+ * Does the compiler grok void *
+ */
+#define VOIDP
+
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define RPC_4
+
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define NFS_4
+
+/*
+ * Name of filesystem types
+ */
+#define MOUNT_TYPE_NFS	"nfs"
+#define MOUNT_TYPE_UFS	"dg/ux"
+#undef MTAB_TYPE_UFS
+#define MTAB_TYPE_UFS	"dg/ux"
+
+/*
+ * Need the following in more places than just NFS_HDR
+ */
+#include <sys/dg_mount.h>
+/*
+ * This is braindead
+ * dg/ux has nfs 4.0 but doesn't have the following options
+ */
+#define NFSMNT_HOSTNAME 0x0
+#define NFSMNT_INT 0x0
+#define M_NEWTYPE 0
+
+/*
+ * DG have their own filesystem.
+ */
+#define ufs_args dgux_args
+
+/*
+ * Byte ordering
+ */
+
+#undef ARCH_ENDIAN
+#define ARCH_ENDIAN "big"
+
+#define _BSD_WAIT_FLAVOR
+#define _BSD_TTY_FLAVOR
+#define _BSD_SIGNAL_FLAVOR
+#define _DGUX_SOURCE
+
+/*
+ * Use fcntl() rather than flock()
+ */
+#define LOCK_FCNTL
+
+#define bzero(ptr, len) memset(ptr, 0, len)
+#define bcopy(from, to, len) memcpy(to, from, len)
+#undef MOUNT_TRAP
+#define MOUNT_TRAP(type, mnt, flags, mnt_data) \
+	((struct nfs_args *)mnt_data)->version = !strcmp(type, MOUNT_TYPE_UFS)?\
+	     DG_MOUNT_DGUX_VERSION:DG_MOUNT_NFS_VERSION, \
+	dg_mount(type, mnt->mnt_dir, flags, mnt_data)
+#undef UNMOUNT_TRAP
+#define UNMOUNT_TRAP(mnt)	umount(mnt->mnt_dir)
diff --git a/usr.sbin/amd/config/os-fpx4.h b/usr.sbin/amd/config/os-fpx4.h
new file mode 100644
index 0000000..8c69421
--- /dev/null
+++ b/usr.sbin/amd/config/os-fpx4.h
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-fpx4.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-fpx4.h,v 5.2.2.2 1992/05/31 16:39:34 jsp Exp $
+ *
+ * Celerity FPX 4.1/2 definitions for Amd (automounter)
+ *      from Stephen Pope <scp@grizzly.acl.lanl.gov>
+ */
+
+/*
+ * FPX wants to include sys headers multiple times
+ */
+#define INCLUDE_HEADERS
+
+/*
+ * FPX sys/mount.h includes sys/nfs.h; prevent this
+ */
+#define INCLUDED_nfs
+
+/*
+ * FPX doesn't define NMOUNT anywhere
+ */
+#define NMOUNT 40
+
+/*
+ * Does the compiler grok void *
+ */
+/* #define VOIDP */
+
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	RPC_4
+#define	svc_fdset svc_fds
+#define	svc_getreqset(p) svc_getreq((*p).fds_bits[0])
+
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define NFS_3
+
+/*
+ * Byte ordering
+ */
+#undef ARCH_ENDIAN
+#define ARCH_ENDIAN     "big"
+
+/*
+ * Name of filesystem types
+ */
+#define MOUNT_TYPE_NFS MOUNT_NFS
+#define MOUNT_TYPE_UFS MOUNT_UFS
diff --git a/usr.sbin/amd/config/os-hcx.h b/usr.sbin/amd/config/os-hcx.h
new file mode 100644
index 0000000..5b3fb30
--- /dev/null
+++ b/usr.sbin/amd/config/os-hcx.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-hcx.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-hcx.h,v 5.2.2.1 1992/02/09 15:10:20 jsp beta $
+ *
+ * Harris HCX/UX Release 3.0 definitions for Amd (automounter)
+ */
+
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	RPC_3
+
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	NFS_3
+
+/*
+ * Deviant call necessary.  The mount() routine in libc only works for UFS
+ * (it's a backward-compatible piece of C code which traps to mountsyscall).
+ */
+#undef MOUNT_TRAP
+#define	MOUNT_TRAP(type, mnt, flags, mnt_data) \
+	mountsyscall(type, mnt->mnt_dir, flags, mnt_data)
+
+/*
+ * Name of filesystem types
+ */
+#define	MOUNT_TYPE_NFS	MOUNT_NFS
+#define	MOUNT_TYPE_UFS	MOUNT_UFS
+
+/*
+ * Byte ordering
+ */
+#undef ARCH_ENDIAN
+#ifdef _hcx
+#define ARCH_ENDIAN "big"
+#else
+XXX - bizarre!
+#endif
diff --git a/usr.sbin/amd/config/os-hlh42.h b/usr.sbin/amd/config/os-hlh42.h
new file mode 100644
index 0000000..43d2d0b
--- /dev/null
+++ b/usr.sbin/amd/config/os-hlh42.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-hlh42.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-hlh42.h,v 5.2.2.1 1992/02/09 15:10:22 jsp beta $
+ *
+ * HLH OTS definitions for Amd (automounter)
+ */
+
+/*
+ * Does the compiler grok void *
+ */
+#undef	VOIDP
+
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	RPC_3
+
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	NFS_3
+
+/*
+ * Byte ordering
+ */
+#undef ARCH_ENDIAN
+#if defined(hlh)
+#define	ARCH_ENDIAN	"little"
+#endif
+
+/*
+ * Name of filesystem types
+ */
+#define	MOUNT_TYPE_NFS	MOUNT_NFS
+#define	MOUNT_TYPE_UFS	MOUNT_UFS
+
+/*
+ * Miscellaneous HLH 4.2 incantations
+ */
+#define	strchr	index
+#define strrchr	rindex
+#define sigmask(x)	(1 << ((x)-1))
+
+/*
+ * HLH's 4.2 needs the extra RPC definitions.
+ */
+#define NEED_XDR_POINTER
+#define	NEED_CLNT_SPERRNO
diff --git a/usr.sbin/amd/config/os-hpux.h b/usr.sbin/amd/config/os-hpux.h
new file mode 100644
index 0000000..42b6b8b
--- /dev/null
+++ b/usr.sbin/amd/config/os-hpux.h
@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-hpux.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-hpux.h,v 5.2.2.1 1992/02/09 15:10:23 jsp beta $
+ *
+ * HP/9000 HP-UX definitions for Amd (automounter)
+ */
+
+/*
+ * Does the compiler grok void *
+ */
+#ifdef __GNUC__
+#define	VOIDP
+#endif
+
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	RPC_3
+
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	NFS_3
+
+/*
+ * Byte ordering
+ */
+#undef ARCH_ENDIAN
+#if defined(hp9000s200) || defined(hp9000s300) || defined(hp9000s800)
+#define	ARCH_ENDIAN	"big"
+#endif
+
+#ifndef __hpux
+#define	HPUX_VERSION_6
+#endif
+
+/*
+ * No support for syslog() prior to 7.0
+ */
+#ifdef HPUX_VERSION_6
+#undef HAS_SYSLOG
+#endif
+
+/*
+ * No support for ndbm
+ */
+#undef OS_HAS_NDBM
+
+/*
+ * Name of filesystem types
+ */
+#define	MOUNT_TYPE_UFS	MOUNT_UFS
+#define MOUNT_TYPE_NFS MOUNT_NFS
+#undef MTAB_TYPE_UFS
+#define	MTAB_TYPE_UFS	"hfs"
+
+/*
+ * Where to get NFS definitions
+ */
+#define	NFS_HDR "misc-hpux.h"
+
+/*
+ * Where to get union wait
+ */
+#undef WAIT
+#define	WAIT	"uwait.h"
+#ifdef HPUX_VERSION_6
+#define SIGCHLD	SIGCLD
+#endif
+#define	SYS5_SIGNALS
+
+/*
+ * Miscellaneous HP-UX definitions
+ */
+
+#define NEED_XDR_POINTER
+#define	NEED_CLNT_SPERRNO
+
+/*
+ * Use <fcntl.h> rather than <sys/file.h>
+ */
+#define USE_FCNTL
+
+/*
+ * Use fcntl() rather than flock()
+ */
+#define LOCK_FCNTL
+
+/*
+ * Additional fields in struct mntent
+ * are fixed up here
+ */
+#define FIXUP_MNTENT(mntp) { \
+	(mntp)->mnt_time = clocktime(); \
+}
+#define FIXUP_MNTENT_DUP(mntp, mp) { \
+	(mntp)->mnt_time = (mp)->mnt_time; \
+}
+
+#define	bzero(ptr, len)	memset(ptr, 0, len)
+#define bcopy(from, to, len) memcpy(to, from, len)
+#define getpagesize() (2048)
+#undef MOUNT_TRAP
+#define MOUNT_TRAP(type, mnt, flags, mnt_data) \
+	vfsmount(type, mnt->mnt_dir, flags, mnt_data)
+#undef UNMOUNT_TRAP
+#define	UNMOUNT_TRAP(mnt)	umount(mnt->mnt_dir)
+#define NFDS	30	/* conservative */
+#define	MOUNTED MNT_MNTTAB
diff --git a/usr.sbin/amd/config/os-irix.h b/usr.sbin/amd/config/os-irix.h
new file mode 100644
index 0000000..1d854f7
--- /dev/null
+++ b/usr.sbin/amd/config/os-irix.h
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-irix.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-irix.h,v 5.2.2.1 1992/02/09 15:10:28 jsp beta $
+ *
+ * IRIX 3.3 definitions for Amd (automounter)
+ * Contributed by Scott R. Presnell <srp@cgl.ucsf.edu>
+ */
+
+/*
+ * Does the compiler grok void *
+ */
+#define VOIDP
+
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define RPC_3
+
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define NFS_3
+
+/*
+ * Byte ordering
+ */
+#undef ARCH_ENDIAN
+#define ARCH_ENDIAN	"big"
+
+/*
+ * Has support for syslog()
+ */
+#define HAS_SYSLOG
+
+#define M_GRPID		MS_GRPID
+#define M_RDONLY	MS_RDONLY
+/*
+ * Support for ndbm
+ */
+#define OS_HAS_NDBM
+
+#define UPDATE_MTAB
+
+#undef	MTAB_TYPE_NFS
+#define MTAB_TYPE_NFS	"nfs"
+
+#undef	MTAB_TYPE_UFS
+#define MTAB_TYPE_UFS	"efs"
+
+#define NMOUNT	40	/* The std sun value */
+/*
+ * Name of filesystem types
+ */
+#define MOUNT_TYPE_UFS	sysfs(GETFSIND, FSID_EFS)
+#define MOUNT_TYPE_NFS	sysfs(GETFSIND, FSID_NFS)
+
+#define SYS5_SIGNALS
+
+/*
+ * Use <fcntl.h> rather than <sys/file.h>
+ */
+/*#define USE_FCNTL*/
+
+/*
+ * Use fcntl() rather than flock()
+ */
+/*#define LOCK_FCNTL*/
+
+#ifdef __GNUC__
+#define alloca(sz) __builtin_alloca(sz)
+#endif
+
+#define bzero(ptr, len) memset(ptr, 0, len)
+#define bcopy(from, to, len) memcpy(to, from, len)
+
+#undef MOUNT_TRAP
+#define MOUNT_TRAP(type, mnt, flags, mnt_data) \
+	irix_mount(mnt->mnt_fsname, mnt->mnt_dir,flags, type, mnt_data)
+#undef UNMOUNT_TRAP
+#define UNMOUNT_TRAP(mnt)	umount(mnt->mnt_dir)
+#define NFDS	30	/* conservative */
+
+#define NFS_HDR "misc-irix.h"
+#define UFS_HDR "misc-irix.h"
+
+/* not included in sys/param.h */
+#include <sys/types.h>
+
+#define MOUNT_HELPER_SOURCE "mount_irix.c"
+
+#define	MNTINFO_DEV	"fsid"
+#define	MNTINFO_PREF	"0x"
diff --git a/usr.sbin/amd/config/os-irix3.h b/usr.sbin/amd/config/os-irix3.h
new file mode 100644
index 0000000..867097d
--- /dev/null
+++ b/usr.sbin/amd/config/os-irix3.h
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by the University of
+ *      California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-irix3.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-irix3.h,v 5.2 1992/05/31 16:40:22 jsp Exp $
+ *
+ * IRIX 3.3 definitions for Amd (automounter)
+ * Contributed by Scott R. Presnell <srp@cgl.ucsf.edu>
+ */
+
+/*
+ * Does the compiler grok void *
+ */
+#define VOIDP
+
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define RPC_3
+
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define NFS_3
+
+/*
+ * Byte ordering
+ */
+#undef ARCH_ENDIAN
+#define ARCH_ENDIAN	"big"
+
+/*
+ * Has support for syslog()
+ */
+#define HAS_SYSLOG
+
+#define M_GRPID		MS_GRPID
+#define M_RDONLY	MS_RDONLY
+/*
+ * Support for ndbm
+ */
+#define OS_HAS_NDBM
+
+#define UPDATE_MTAB
+
+#undef	MTAB_TYPE_NFS
+#define MTAB_TYPE_NFS	"nfs"
+
+#undef	MTAB_TYPE_UFS
+#define MTAB_TYPE_UFS	"efs"
+
+#define NMOUNT	40	/* The std sun value */
+/*
+ * Name of filesystem types
+ */
+#define MOUNT_TYPE_UFS	sysfs(GETFSIND, FSID_EFS)
+#define MOUNT_TYPE_NFS	sysfs(GETFSIND, FSID_NFS)
+
+#define SYS5_SIGNALS
+
+/*
+ * Use <fcntl.h> rather than <sys/file.h>
+ */
+/*#define USE_FCNTL*/
+
+/*
+ * Use fcntl() rather than flock()
+ */
+/*#define LOCK_FCNTL*/
+
+#ifdef __GNUC__
+#define alloca(sz) __builtin_alloca(sz)
+#endif
+
+#define bzero(ptr, len) memset(ptr, 0, len)
+#define bcopy(from, to, len) memcpy(to, from, len)
+
+#undef MOUNT_TRAP
+#define MOUNT_TRAP(type, mnt, flags, mnt_data) \
+	irix_mount(mnt->mnt_fsname, mnt->mnt_dir,flags, type, mnt_data)
+#undef UNMOUNT_TRAP
+#define UNMOUNT_TRAP(mnt)	umount(mnt->mnt_dir)
+#define NFDS	30	/* conservative */
+
+#define NFS_HDR "misc-irix.h"
+#define UFS_HDR "misc-irix.h"
+
+/* not included in sys/param.h */
+#include <sys/types.h>
+
+#define MOUNT_HELPER_SOURCE "mount_irix.c"
+
+#define	MNTINFO_DEV	"fsid"
+#define	MNTINFO_PREF	"0x"
diff --git a/usr.sbin/amd/config/os-irix4.h b/usr.sbin/amd/config/os-irix4.h
new file mode 100644
index 0000000..ee2f8cb
--- /dev/null
+++ b/usr.sbin/amd/config/os-irix4.h
@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by the University of
+ *      California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-irix4.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-irix4.h,v 5.2 1992/05/31 16:40:22 jsp Exp $
+ *
+ * IRIX 4.0.X definitions for Amd (automounter)
+ * Contributed by Scott R. Presnell <srp@cgl.ucsf.edu>
+ */
+
+/*
+ * Does the compiler grok void *
+ */
+#define VOIDP
+
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define RPC_3
+
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define NFS_3
+
+/*
+ * Byte ordering
+ */
+#undef ARCH_ENDIAN
+#define ARCH_ENDIAN	"big"
+
+/*
+ * Has support for syslog()
+ */
+#define HAS_SYSLOG
+
+#define M_RDONLY	MS_RDONLY
+#define M_GRPID		MS_GRPID
+#define M_NOSUID	MS_NOSUID
+#define M_NONDEV	MS_NODEV
+
+/*
+ * Support for ndbm
+ */
+#define OS_HAS_NDBM
+
+#define UPDATE_MTAB
+
+#undef	MTAB_TYPE_NFS
+#define MTAB_TYPE_NFS	"nfs"
+
+#undef	MTAB_TYPE_UFS
+#define MTAB_TYPE_UFS	"efs"
+
+#define NMOUNT	40	/* The std sun value */
+/*
+ * Name of filesystem types
+ */
+#define MOUNT_TYPE_UFS	sysfs(GETFSIND, FSID_EFS)
+#define MOUNT_TYPE_NFS	sysfs(GETFSIND, FSID_NFS)
+
+#define SYS5_SIGNALS
+
+/*
+ * Use <fcntl.h> rather than <sys/file.h>
+ */
+/*#define USE_FCNTL*/
+
+/*
+ * Use fcntl() rather than flock()
+ */
+/*#define LOCK_FCNTL*/
+
+#ifdef __GNUC__
+#define alloca(sz) __builtin_alloca(sz)
+#endif
+
+#define bzero(ptr, len) memset(ptr, 0, len)
+#define bcopy(from, to, len) memcpy(to, from, len)
+
+#undef MOUNT_TRAP
+#define MOUNT_TRAP(type, mnt, flags, mnt_data) \
+	irix_mount(mnt->mnt_fsname, mnt->mnt_dir,flags, type, mnt_data)
+#undef UNMOUNT_TRAP
+#define UNMOUNT_TRAP(mnt)	umount(mnt->mnt_dir)
+#define NFDS	30	/* conservative */
+
+#define NFS_HDR "misc-irix.h"
+#define UFS_HDR "misc-irix.h"
+
+/* not included in sys/param.h */
+#include <sys/types.h>
+
+#define MOUNT_HELPER_SOURCE "mount_irix.c"
+
+/*
+ * Under 4.0.X this information is in /usr/include/mntent.h
+ * Below is what is used to be for Irix 3.3.X.
+ */
+/*#define	MNTINFO_DEV	"fsid"*/
+/*#define	MNTINFO_PREF	"0x"*/
+
+#define	MNTINFO_PREF	""
+
+/*
+ * Under Irix, mount type "auto" is probed by statfs() in df.  A statfs() of
+ * a direct mount causes that mount to fire.  So change the  mount type in
+ * /etc/mtab to "ignore" to stop that (this is what SGI does for their 
+ * automounter.  Use the old FASCIST define for this.
+ */
+#define FASCIST_DF_COMMAND MNTTYPE_IGNORE
diff --git a/usr.sbin/amd/config/os-next.h b/usr.sbin/amd/config/os-next.h
new file mode 100644
index 0000000..c9b1cc2
--- /dev/null
+++ b/usr.sbin/amd/config/os-next.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-next.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-next.h,v 5.2.2.1 1992/02/09 15:10:33 jsp beta $
+ *
+ * NeXT OS definitions for Amd (automounter)
+ * By Bill Trost, Reed College
+ * trost%reed@cse.ogi.edu,
+ *
+ * Derived from the Sun 3.2 definitions for Amd (os-sos3.h).
+ */
+
+/*
+ * Does the compiler grok void *	(NeXT uses gcc)
+ */
+#define VOIDP
+
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define RPC_3
+
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define NFS_3
+
+/*
+ * Name of filesystem types
+ */
+#define MOUNT_TYPE_UFS	MOUNT_UFS
+#define MOUNT_TYPE_NFS	MOUNT_NFS
+#undef MTAB_TYPE_UFS
+#define MTAB_TYPE_UFS	"4.3"
+
+/*
+ * Where to get NFS definitions
+ */
+#define NFS_HDR "misc-next.h"
diff --git a/usr.sbin/amd/config/os-pyrOSx.h b/usr.sbin/amd/config/os-pyrOSx.h
new file mode 100644
index 0000000..21b5fdd
--- /dev/null
+++ b/usr.sbin/amd/config/os-pyrOSx.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-pyrOSx.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-pyrOSx.h,v 5.2.2.1 1992/02/09 15:10:37 jsp beta $
+ *
+ * Pyramid OSx definitions for Amd (automounter)
+ *		from Stefan Petri <petri@tubsibr.UUCP>
+ */
+
+/*
+ * Does the compiler grok void *
+ */
+#define	VOIDP
+
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	RPC_3
+
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	NFS_3
+
+/*
+ * Byte ordering
+ */
+#undef ARCH_ENDIAN
+#define	ARCH_ENDIAN	"big"
+
+/*
+ * Name of filesystem types
+ */
+#define	MOUNT_TYPE_UFS	MOUNT_UFS
+#define MOUNT_TYPE_NFS	MOUNT_NFS
+
+#define	strchr	index
+#define	strrchr	rindex
+
+#define	hostname	mnthostname
diff --git a/usr.sbin/amd/config/os-riscix.h b/usr.sbin/amd/config/os-riscix.h
new file mode 100644
index 0000000..cff7951
--- /dev/null
+++ b/usr.sbin/amd/config/os-riscix.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-riscix.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-riscix.h,v 5.2.2.1 1992/02/09 15:10:38 jsp beta $
+ *
+ * Acorn Archimedes RISC iX definitions for Amd (automounter)
+ * Contributed by Piete Brooks.
+ */
+
+/*
+ * Does the compiler grok void *
+ */
+#define	VOIDP
+
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	RPC_3
+
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	NFS_3
+
+/*
+ * Does this OS have NDBM support?
+ */
+#define OS_HAS_NDBM
+
+/*
+ * Byte ordering
+ */
+#undef	ARCH_ENDIAN
+#define	ARCH_ENDIAN "little"
+
+/*
+ * Is the mount table mirrored in software
+ */
+#define	UPDATE_MTAB
+
+/*
+ * Name of filesystem types
+ */
+#define	MOUNT_TYPE_NFS	MOUNT_NFS
+#define	MOUNT_TYPE_UFS	MOUNT_UFS
+
+#undef	MTAB_TYPE_UFS
+#define	MTAB_TYPE_UFS	MNTTYPE_43
diff --git a/usr.sbin/amd/config/os-sos3.h b/usr.sbin/amd/config/os-sos3.h
new file mode 100644
index 0000000..15c632c
--- /dev/null
+++ b/usr.sbin/amd/config/os-sos3.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-sos3.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-sos3.h,v 5.2.2.1 1992/02/09 15:10:39 jsp beta $
+ *
+ * SunOS 3.2 definitions for Amd (automounter)
+ */
+
+/*
+ * Does the compiler grok void *
+ */
+#define	VOIDP
+
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	RPC_3
+
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	NFS_3
+
+/*
+ * Byte ordering
+ */
+#undef ARCH_ENDIAN
+#if defined(mc68010) || defined(mc68020) || defined(sparc)
+#define	ARCH_ENDIAN	"big"
+#endif
+#if defined(i386)
+#define ARCH_ENDIAN	"little"
+#endif
+
+/*
+ * Name of filesystem types
+ */
+#define	MOUNT_TYPE_UFS	MOUNT_UFS
+#define MOUNT_TYPE_NFS	MOUNT_NFS
diff --git a/usr.sbin/amd/config/os-sos4.h b/usr.sbin/amd/config/os-sos4.h
new file mode 100644
index 0000000..3853a6c
--- /dev/null
+++ b/usr.sbin/amd/config/os-sos4.h
@@ -0,0 +1,116 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-sos4.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-sos4.h,v 5.2.2.1 1992/02/09 15:10:41 jsp beta $
+ *
+ * SunOS 4.0 definitions for Amd (automounter)
+ */
+
+/*
+ * Does the compiler grok void *
+ */
+#define	VOIDP
+
+/*
+ * What type is free(void*) returning?
+ */
+#undef FREE_RETURN_TYPE
+#define FREE_RETURN_TYPE	int
+
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	RPC_4
+
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	NFS_4
+
+/*
+ * Does this OS have NDBM support?
+ */
+#define OS_HAS_NDBM
+
+/*
+ * Byte ordering
+ */
+#undef ARCH_ENDIAN
+#if defined(mc68010) || defined(mc68020) || defined(sparc)
+#define	ARCH_ENDIAN	"big"
+#endif
+#if defined(i386)
+#define ARCH_ENDIAN	"little"
+#endif
+
+/*
+ * Name of filesystem types
+ */
+#define MOUNT_TYPE_NFS	"nfs"
+#define MOUNT_TYPE_UFS	"4.2"
+
+/*
+ * Type of a file handle
+ */
+#undef NFS_FH_TYPE
+#define	NFS_FH_TYPE	caddr_t
+
+/*
+ * Type of filesystem type
+ */
+#undef MTYPE_TYPE
+#define	MTYPE_TYPE	char *
+
+/*
+ * Add support for SunOS 4 automounter files
+ */
+#define	SUNOS4_COMPAT
+
+/*
+ * System Vr4 / SunOS 4.1 compatibility
+ * - put dev= in the options list
+ *
+ * From: Brent Callaghan <brent@eng.sun.com>
+ */
+#define	MNTINFO_DEV	"dev"
+#define MNTINFO_PREF	""
diff --git a/usr.sbin/amd/config/os-stellix.h b/usr.sbin/amd/config/os-stellix.h
new file mode 100644
index 0000000..8c6290a
--- /dev/null
+++ b/usr.sbin/amd/config/os-stellix.h
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-stellix.h	8.1 (Berkeley) 6/6/93
+ *
+ * Amd (automounter) definitions for Stellix.
+ * From Stephen C. Pope <scp@acl.lanl.gov>
+ *
+ * $Id: os-stellix.h,v 5.2.2.1 1992/02/09 15:10:43 jsp beta $
+ */
+
+#define RPC_3
+
+#define NFS_3
+
+/*
+ * Byte ordering
+ */
+#undef ARCH_ENDIAN
+#define	ARCH_ENDIAN	"big"
+
+#define HAS_SYSLOG
+
+#define OS_HAS_NDBM
+
+#define UPDATE_MTAB
+
+#define USE_FCNTL
+
+#define LOCK_FCNTL
+
+/*
+ * Name of filesystem types
+ */
+#undef MTAB_TYPE_UFS
+#define	MTAB_TYPE_UFS	"sfs"
+
+#define MOUNT_TYPE_UFS sysfs(GETFSIND, "SFS1")
+#define MOUNT_TYPE_NFS sysfs(GETFSIND, "NFS")
+
+#define SYS5_SIGNALS
+#define HAS_SVR3_SIGNALS
+
+#define MOUNT_HELPER_SOURCE "mount_stellix.c"
+
+/*
+ * Name of mount & unmount system calls
+ *
+ * NOTE:
+ *  UNMOUNT_TRAP takes a struct mntent *
+ */
+#undef MOUNT_TRAP
+#define	MOUNT_TRAP(type, mnt, flags, mnt_data) \
+	stellix_mount(mnt->mnt_fsname, mnt->mnt_dir, flags, type, mnt_data)
+#undef UNMOUNT_TRAP
+#define	UNMOUNT_TRAP(mnt)	umount(mnt->mnt_dir)
+
+/*
+ * How to unmount filesystems.
+ * NEED_UMOUNT_FS includes code to scan the mount table
+ * to find the correct information for the unmount system
+ * call.  Some systems, such as 4.4bsd, do not require
+ * this - they can just do an unmount system call directly.
+ */
+/* #define	NEED_UMOUNT_FS */
+/* #define	UMOUNT_FS(dir)	umount_fs(dir) */
+
+#define NFS_HDR "misc-stellix.h"
+#define UFS_HDR "misc-stellix.h"
+
+#define M_RDONLY        0x01            /* mount fs read only */
+
+#define bzero(ptr, len) memset(ptr, 0, len)
+#define bcopy(from, to, len) memcpy(to, from, len)
diff --git a/usr.sbin/amd/config/os-type b/usr.sbin/amd/config/os-type
new file mode 100644
index 0000000..4871d79
--- /dev/null
+++ b/usr.sbin/amd/config/os-type
@@ -0,0 +1,128 @@
+#!/bin/sh
+#
+# Copyright (c) 1989 Jan-Simon Pendry
+# Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+# Copyright (c) 1989, 1993
+#	The Regents of the University of California.  All rights reserved.
+#
+# This code is derived from software contributed to Berkeley by
+# Jan-Simon Pendry at Imperial College, London.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#	This product includes software developed by the University of
+#	California, Berkeley and its contributors.
+# 4. Neither the name of the University nor the names of its contributors
+#    may be used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+#	@(#)os-type	8.1 (Berkeley) 6/6/93
+#
+# $Id: os-type,v 5.2.2.2 1992/05/31 16:45:46 jsp Exp $
+#
+
+#
+# Take a pot-shot at your os type
+#
+echo "#	... No OS= option specified; dynamically determining OS type" >&2
+
+#
+# First try poking around in /etc/motd
+#
+
+case "`exec 2>/dev/null; head -2 /etc/motd`" in
+*"Sun UNIX 4.2 Release 3."*)	OS=sos3;;
+*"SunOS Release 4."*)		OS=sos4;;
+*"HP-UX on the HP"*)		OS=hpux;;
+*"Ultrix V2."*)			OS=u2_2;;
+*"Ultrix V3."*)			OS=u3_0;;
+*"Ultrix-32 V3."*)		OS=u3_0;;
+*"Ultrix Worksystem V2."*)	OS=u3_0;;
+*"ULTRIX V4.2"*)		OS=u4_2;;
+*"ULTRIX V4."*)			OS=u4_0;;
+*"HLH OTS Version 1."*)		OS=hlh42;;
+*"RISC iX release 1."*)		OS=riscix;;
+*"FPX 4."*)			OS=fpx4;;
+*"HCX/UX"*)			OS=hcx;;
+*"4.4 BSD UNIX"*)		OS=bsd44;;
+*"4.3 BSD Reno UNIX"*)		OS=bsd44;;
+*"4.3 BSD UNIX"*)		if [ -f /etc/minidisk ]; then
+					OS=acis43
+				elif [ -f /sbin/nfsiod ]; then
+					OS=bsd44	# prototype
+				else
+					OS=xinu43
+				fi;;
+*"Alliant Concentrix"*)		OS=concentrix;;
+*"Umax 4.3"*)			OS=umax43;;
+*)
+#
+# Well, that didn't work so apply some heuristics
+# to the filesystem name space...
+#
+				echo "#	... inspecting File system ..." >&2
+				if [ -f /etc/comply ]; then
+					OS=utek
+				elif [ -d /usr/lib/methods -o -d /etc/methods ]; then
+					OS=aix3
+				elif [ -f /usr/bin/cat ]; then
+					OS=sos4
+				elif [ -f /etc/nd ]; then
+					OS=sos3
+				elif [ -f /etc/elcsd ]; then
+					echo "#	... Ultrix - assuming U4.0 ..." >&2
+					OS=u4_0
+				elif [ -f /hp-ux ]; then
+					OS=hpux
+				elif [ -f /etc/ttylocal ]; then
+					OS=xinu43
+				elif [ -f /etc/minidisk ]; then
+					OS=acis43
+				elif [ -f /etc/toolboxdaemon ]; then
+					OS=aux
+				elif [ -f /sbin/nfsiod ]; then
+					OS=bsd44
+				elif [ -d /vrm ]; then
+					OS=aix2
+				elif [ -f /bin/pyr ] && /bin/pyr; then
+					OS=pyrOSx
+				elif [ -d /NextApps ]; then
+					OS=next
+				elif [ -f /etc/gl/ucode ]; then
+					OS=irix3
+				elif [ -f /usr/gfx/ucode ]; then
+					OS=irix4
+				elif [ -f /stellix ]; then
+					OS=stellix
+				else
+					case "`(sh ../config/arch)2>/dev/null`" in
+					ibm032)    OS=acis43;;
+					aviion)    OS=dgux;;
+					*)	   OS=unknown;;
+					esac
+				fi;;
+esac
+
+echo "#	... OS appears to be \"${OS}\"" >&2
+echo "${OS}"
+exit 0
diff --git a/usr.sbin/amd/config/os-u2_2.h b/usr.sbin/amd/config/os-u2_2.h
new file mode 100644
index 0000000..aece171
--- /dev/null
+++ b/usr.sbin/amd/config/os-u2_2.h
@@ -0,0 +1,161 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-u2_2.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-u2_2.h,v 5.2.2.1 1992/02/09 15:10:48 jsp beta $
+ *
+ * Ultrix 2.2 definitions for Amd (automounter)
+ */
+
+/*
+ * Does the compiler grok void *
+ */
+#undef	VOIDP
+
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	RPC_3
+
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	NFS_3
+
+/*
+ * Byte ordering
+ */
+#undef	ARCH_ENDIAN
+#if defined(vax)
+#define	ARCH_ENDIAN "little"
+#endif
+
+/*
+ * The mount table is obtained from the kernel
+ */
+#undef	UPDATE_MTAB
+
+/*
+ * No mntent info on Ultrix
+  */
+#undef	MNTENT_HDR
+
+/*
+ * No support for syslog()
+ */
+#undef	HAS_SYSLOG
+
+/*
+ * No support for ndbm
+ */
+#undef	HAS_NDBM_MAPS
+
+/*
+ * Name of filesystem types
+ */
+#define	MOUNT_TYPE_NFS	GT_NFS
+#define	MOUNT_TYPE_UFS	GT_ULTRIX
+#undef	MTAB_TYPE_UFS
+#define	MTAB_TYPE_UFS	"ufs"
+
+/*
+ * Name of mount & unmount system calls
+ */
+#undef	MOUNT_TRAP
+#define	MOUNT_TRAP(type, mnt, flag, mnt_data) \
+	mount(mnt->mnt_fsname, mnt->mnt_dir, flag, type, mnt_data)
+#undef	UNMOUNT_TRAP
+#define	UNMOUNT_TRAP(mnt)	umount(mnt->mnt_passno)
+
+/*
+ * Miscellaneous Ultrix bits
+ */
+#define	M_RDONLY	M_RONLY
+
+#ifndef MNTMAXSTR
+#define	MNTMAXSTR       128
+#endif
+
+#define	MNTTYPE_UFS	"ufs"		/* Un*x file system */
+#define	MNTTYPE_NFS	"nfs"		/* network file system */
+#define	MNTTYPE_IGNORE	"ignore"	/* No type specified, ignore this entry */
+
+#define	MNTOPT_RO	"ro"		/* read only */
+#define	MNTOPT_RW	"rw"		/* read/write */
+#define	MNTOPT_QUOTA	"quota"		/* quotas */
+#define	MNTOPT_NOQUOTA	"noquota"	/* no quotas */
+#define	MNTOPT_HARD	"hard"		/* hard mount */
+#define	MNTOPT_SOFT	"soft"		/* soft mount */
+#define	MNTOPT_INTR	"intr"		/* interrupts allowed */
+
+#define	MNTOPT_NOSUID	"nosuid"	/* no set uid allowed */
+
+struct mntent {
+	char	*mnt_fsname;	/* name of mounted file system */
+	char	*mnt_dir;	/* file system path prefix */
+	char	*mnt_type;	/* MNTTYPE_* */
+	char	*mnt_opts;	/* MNTOPT* */
+	int	mnt_freq;	/* dump frequency, in days */
+	int	mnt_passno;	/* pass number on parallel fsck */
+};
+#define	MOUNTED		"/etc/mtab"
+
+#define	NFS_HDR	"misc-ultrix.h"
+#define	UFS_HDR	"misc-ultrix.h"
+
+#define NEED_XDR_POINTER
+#define	NEED_CLNT_SPERRNO
+
+#define	nfs_args	nfs_gfs_mount
+#define	ULTRIX_HACK	/* Should be handled better than this !! */
+#define	NEED_MNTOPT_PARSER
+
+/*
+ * How to get a mount list
+ */
+#undef	READ_MTAB_FROM_FILE
+#define	READ_MTAB_ULTRIX_STYLE
+
+/*
+ * Need precise length links
+ */
+#define	PRECISE_SYMLINKS
diff --git a/usr.sbin/amd/config/os-u3_0.h b/usr.sbin/amd/config/os-u3_0.h
new file mode 100644
index 0000000..08a4f36
--- /dev/null
+++ b/usr.sbin/amd/config/os-u3_0.h
@@ -0,0 +1,154 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-u3_0.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-u3_0.h,v 5.2.2.1 1992/02/09 15:10:52 jsp beta $
+ *
+ * Ultrix 3.0 definitions for Amd (automounter)
+ */
+
+/*
+ * Does the compiler grok void *
+ */
+#undef	VOIDP
+
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	RPC_3
+
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	NFS_3
+
+/*
+ * Byte ordering
+ */
+#undef ARCH_ENDIAN
+#if defined(vax) || defined(mips)
+#define	ARCH_ENDIAN "little"
+#endif
+
+/*
+ * The mount table is obtained from the kernel
+ */
+#undef	UPDATE_MTAB
+
+/*
+ * No mntent info on Ultrix
+  */
+#undef	MNTENT_HDR
+
+/*
+ * No support for syslog()
+ */
+#undef	HAS_SYSLOG
+
+/*
+ * Name of filesystem types
+ */
+#define	MOUNT_TYPE_NFS	GT_NFS
+#define	MOUNT_TYPE_UFS	GT_ULTRIX
+#undef	MTAB_TYPE_UFS
+#define	MTAB_TYPE_UFS	"ufs"
+
+/*
+ * Name of mount & unmount system calls
+ */
+#undef	MOUNT_TRAP
+#define	MOUNT_TRAP(type, mnt, flag, mnt_data) \
+	mount(mnt->mnt_fsname, mnt->mnt_dir, flag, type, mnt_data)
+#undef	UNMOUNT_TRAP
+#define	UNMOUNT_TRAP(mnt)	umount(mnt->mnt_passno)
+
+/*
+ * Miscellaneous Ultrix bits
+ */
+#define	M_RDONLY	M_RONLY
+
+#define	MNTMAXSTR	128
+
+#define	MNTTYPE_UFS	"ufs"		/* Un*x file system */
+#define	MNTTYPE_NFS	"nfs"		/* network file system */
+#define	MNTTYPE_IGNORE	"ignore"	/* No type specified, ignore this entry */
+
+#define	MNTOPT_RO	"ro"		/* read only */
+#define	MNTOPT_RW	"rw"		/* read/write */
+#define	MNTOPT_QUOTA	"quota"		/* quotas */
+#define	MNTOPT_NOQUOTA	"noquota"	/* no quotas */
+#define	MNTOPT_HARD	"hard"		/* hard mount */
+#define	MNTOPT_SOFT	"soft"		/* soft mount */
+#define	MNTOPT_INTR	"intr"		/* interrupts allowed */
+
+#define	MNTOPT_NOSUID	"nosuid"	/* no set uid allowed */
+
+struct mntent {
+	char	*mnt_fsname;	/* name of mounted file system */
+	char	*mnt_dir;	/* file system path prefix */
+	char	*mnt_type;	/* MNTTYPE_* */
+	char	*mnt_opts;	/* MNTOPT* */
+	int	mnt_freq;	/* dump frequency, in days */
+	int	mnt_passno;	/* pass number on parallel fsck */
+};
+#define	MOUNTED		"/etc/mtab"
+
+#define	NFS_HDR	"misc-ultrix.h"
+#define	UFS_HDR	"misc-ultrix.h"
+
+#define NEED_XDR_POINTER
+#define	NEED_CLNT_SPERRNO
+
+#define	nfs_args	nfs_gfs_mount
+#define	ULTRIX_HACK	/* Should be handled better than this !! */
+#define	NEED_MNTOPT_PARSER
+
+/*
+ * How to get a mount list
+ */
+#undef	READ_MTAB_FROM_FILE
+#define	READ_MTAB_ULTRIX_STYLE
+
+/*
+ * Need precise length links
+ */
+#define	PRECISE_SYMLINKS
diff --git a/usr.sbin/amd/config/os-u4_0.h b/usr.sbin/amd/config/os-u4_0.h
new file mode 100644
index 0000000..07c9833
--- /dev/null
+++ b/usr.sbin/amd/config/os-u4_0.h
@@ -0,0 +1,158 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-u4_0.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-u4_0.h,v 5.2.2.1 1992/02/09 15:10:53 jsp beta $
+ *
+ * Ultrix 4.0 definitions for Amd (automounter)
+ *		from Chris Lindblad <cjl@ai.mit.edu>
+ */
+
+/*
+ * Does the compiler grok void *
+ */
+#ifdef __STDC__
+#define VOIDP
+#else
+#undef VOIDP
+#endif
+
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	RPC_3
+
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	NFS_3
+
+/*
+ * Byte ordering
+ */
+#undef ARCH_ENDIAN
+#if defined(vax) || defined(mips)
+#define	ARCH_ENDIAN "little"
+#endif
+
+/*
+ * The mount table is obtained from the kernel
+ */
+#undef	UPDATE_MTAB
+
+/*
+ * No mntent info on Ultrix
+  */
+#undef	MNTENT_HDR
+
+/*
+ * No support for syslog()
+ */
+#define	HAS_SYSLOG
+
+/*
+ * Name of filesystem types
+ */
+#define	MOUNT_TYPE_NFS	GT_NFS
+#define	MOUNT_TYPE_UFS	GT_ULTRIX
+#undef	MTAB_TYPE_UFS
+#define	MTAB_TYPE_UFS	"ufs"
+
+/*
+ * Name of mount & unmount system calls
+ */
+#undef	MOUNT_TRAP
+#define	MOUNT_TRAP(type, mnt, flag, mnt_data) \
+	mount(mnt->mnt_fsname, mnt->mnt_dir, flag, type, mnt_data)
+#undef	UNMOUNT_TRAP
+#define	UNMOUNT_TRAP(mnt)	umount(mnt->mnt_passno)
+
+/*
+ * Miscellaneous Ultrix bits
+ */
+#define	M_RDONLY	M_RONLY
+
+#define	MNTMAXSTR	128
+
+#define	MNTTYPE_UFS	"ufs"		/* Un*x file system */
+#define	MNTTYPE_NFS	"nfs"		/* network file system */
+#define	MNTTYPE_IGNORE	"ignore"	/* No type specified, ignore this entry */
+
+#define	MNTOPT_RO	"ro"		/* read only */
+#define	MNTOPT_RW	"rw"		/* read/write */
+#define	MNTOPT_QUOTA	"quota"		/* quotas */
+#define	MNTOPT_NOQUOTA	"noquota"	/* no quotas */
+#define	MNTOPT_HARD	"hard"		/* hard mount */
+#define	MNTOPT_SOFT	"soft"		/* soft mount */
+#define	MNTOPT_INTR	"intr"		/* interrupts allowed */
+
+#define	MNTOPT_NOSUID	"nosuid"	/* no set uid allowed */
+
+struct mntent {
+	char	*mnt_fsname;	/* name of mounted file system */
+	char	*mnt_dir;	/* file system path prefix */
+	char	*mnt_type;	/* MNTTYPE_* */
+	char	*mnt_opts;	/* MNTOPT* */
+	int	mnt_freq;	/* dump frequency, in days */
+	int	mnt_passno;	/* pass number on parallel fsck */
+};
+#define	MOUNTED		"/etc/mtab"
+
+#define	NFS_HDR	"misc-ultrix.h"
+#define	UFS_HDR	"misc-ultrix.h"
+
+#define	NEED_CLNT_SPERRNO
+
+#define	nfs_args	nfs_gfs_mount
+#define	ULTRIX_HACK	/* Should be handled better than this !! */
+#define	NEED_MNTOPT_PARSER
+
+/*
+ * How to get a mount list
+ */
+#undef	READ_MTAB_FROM_FILE
+#define	READ_MTAB_ULTRIX_STYLE
+
+/*
+ * Need precise length links
+ */
+#define	PRECISE_SYMLINKS
diff --git a/usr.sbin/amd/config/os-u4_2.h b/usr.sbin/amd/config/os-u4_2.h
new file mode 100644
index 0000000..f8f039c
--- /dev/null
+++ b/usr.sbin/amd/config/os-u4_2.h
@@ -0,0 +1,153 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-u4_2.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-u4_2.h,v 5.2.2.1 1992/02/09 15:10:54 jsp beta $
+ *
+ * Ultrix 4.2 definitions for Amd (automounter)
+ *		from Chris Lindblad <cjl@ai.mit.edu>
+ *		and Chris Metcalf <metcalf@lcs.mit.edu>
+ */
+
+/*
+ * Does the compiler grok void *
+ */
+#define VOIDP
+
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	RPC_4
+
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	NFS_3
+
+/*
+ * Byte ordering
+ */
+#undef ARCH_ENDIAN
+#if defined(vax) || defined(mips)
+#define	ARCH_ENDIAN "little"
+#endif
+
+/*
+ * The mount table is obtained from the kernel
+ */
+#undef	UPDATE_MTAB
+
+/*
+ * No mntent info on Ultrix
+  */
+#undef	MNTENT_HDR
+
+/*
+ * No support for syslog()
+ */
+#define	HAS_SYSLOG
+
+/*
+ * Name of filesystem types
+ */
+#define	MOUNT_TYPE_NFS	GT_NFS
+#define	MOUNT_TYPE_UFS	GT_ULTRIX
+#undef	MTAB_TYPE_UFS
+#define	MTAB_TYPE_UFS	"ufs"
+
+/*
+ * Name of mount & unmount system calls
+ */
+#undef	MOUNT_TRAP
+#define	MOUNT_TRAP(type, mnt, flag, mnt_data) \
+	mount(mnt->mnt_fsname, mnt->mnt_dir, flag, type, mnt_data)
+#undef	UNMOUNT_TRAP
+#define	UNMOUNT_TRAP(mnt)	umount(mnt->mnt_passno)
+
+/*
+ * Miscellaneous Ultrix bits
+ */
+#define	M_RDONLY	M_RONLY
+
+#define	MNTMAXSTR	128
+
+#define	MNTTYPE_UFS	"ufs"		/* Un*x file system */
+#define	MNTTYPE_NFS	"nfs"		/* network file system */
+#define	MNTTYPE_IGNORE	"ignore"	/* No type specified, ignore this entry */
+
+#define	MNTOPT_RO	"ro"		/* read only */
+#define	MNTOPT_RW	"rw"		/* read/write */
+#define	MNTOPT_QUOTA	"quota"		/* quotas */
+#define	MNTOPT_NOQUOTA	"noquota"	/* no quotas */
+#define	MNTOPT_HARD	"hard"		/* hard mount */
+#define	MNTOPT_SOFT	"soft"		/* soft mount */
+#define	MNTOPT_INTR	"intr"		/* interrupts allowed */
+
+#define	MNTOPT_NOSUID	"nosuid"	/* no set uid allowed */
+
+struct mntent {
+	char	*mnt_fsname;	/* name of mounted file system */
+	char	*mnt_dir;	/* file system path prefix */
+	char	*mnt_type;	/* MNTTYPE_* */
+	char	*mnt_opts;	/* MNTOPT* */
+	int	mnt_freq;	/* dump frequency, in days */
+	int	mnt_passno;	/* pass number on parallel fsck */
+};
+#define	MOUNTED		"/etc/mtab"
+
+#define	NFS_HDR	"misc-ultrix.h"
+#define	UFS_HDR	"misc-ultrix.h"
+
+#define	nfs_args	nfs_gfs_mount
+#define	ULTRIX_HACK	/* Should be handled better than this !! */
+#define	NEED_MNTOPT_PARSER
+
+/*
+ * How to get a mount list
+ */
+#undef	READ_MTAB_FROM_FILE
+#define	READ_MTAB_ULTRIX_STYLE
+
+/*
+ * Need precise length links
+ */
+#define	PRECISE_SYMLINKS
diff --git a/usr.sbin/amd/config/os-umax43.h b/usr.sbin/amd/config/os-umax43.h
new file mode 100644
index 0000000..3e80872
--- /dev/null
+++ b/usr.sbin/amd/config/os-umax43.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-umax43.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-umax43.h,v 5.2.2.1 1992/02/09 15:10:55 jsp beta $
+ *
+ * UMAX 4.3 definitions for Amd (automounter)
+ */
+
+/*
+ * Does the compiler grok void *
+ */
+#define	VOIDP
+
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	RPC_4
+
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	NFS_3
+
+/*
+ * Does this OS have NDBM support?
+ */
+#define OS_HAS_NDBM
+
+/*
+ * Byte ordering
+ */
+#undef ARCH_ENDIAN
+#define ARCH_ENDIAN	"little"
+
+/*
+ * Name of filesystem types
+ */
+#define MOUNT_TYPE_NFS	MOUNT_NFS
+#define MOUNT_TYPE_UFS	MOUNT_UFS
diff --git a/usr.sbin/amd/config/os-utek.h b/usr.sbin/amd/config/os-utek.h
new file mode 100644
index 0000000..eb1be04
--- /dev/null
+++ b/usr.sbin/amd/config/os-utek.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-utek.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-utek.h,v 5.2.2.1 1992/02/09 15:10:56 jsp beta $
+ *
+ * Utek 4.0  definitions for Amd (automounter)
+ *	from Bill Trost <trost%reed@cse.ogi.edu>
+ */
+
+#define	UTEK
+#define	__NFS_HEADER__		/* prevent re-inclusion of <sys/nfs.h> */
+/* ... and fake the rest */
+#include "os-sos3.h"
diff --git a/usr.sbin/amd/config/os-utx32.h b/usr.sbin/amd/config/os-utx32.h
new file mode 100644
index 0000000..29612c4
--- /dev/null
+++ b/usr.sbin/amd/config/os-utx32.h
@@ -0,0 +1,85 @@
+/* $Id: os-utx32.h,v 5.2.1.1 90/10/21 22:31:11 jsp Exp $ */
+
+/*
+ * Gould UTX/32 definitions for Amd (automounter)
+ *
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-utx32.h	8.1 (Berkeley) 6/6/93
+ */
+
+/*
+ * Does the compiler grok void *
+ */
+#ifdef __GNUC__
+#define	VOIDP
+#endif
+
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	RPC_3
+
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	NFS_3
+
+/*
+ * Does this OS have NDBM support?
+ */
+#define OS_HAS_NDBM
+
+/*
+ * Byte ordering
+ */
+#undef ARCH_ENDIAN
+#if defined(gould) || defined(GOULD_PN)
+#define	ARCH_ENDIAN	"big"
+#endif
+
+/*
+ * Name of filesystem types
+ */
+#define	MOUNT_TYPE_NFS	MOUNT_NFS
+#define	MOUNT_TYPE_UFS	MOUNT_UFS
+#undef MTAB_TYPE_UFS
+#define	MTAB_TYPE_UFS	"4.3"
diff --git a/usr.sbin/amd/config/os-xinu43.h b/usr.sbin/amd/config/os-xinu43.h
new file mode 100644
index 0000000..e85cea2
--- /dev/null
+++ b/usr.sbin/amd/config/os-xinu43.h
@@ -0,0 +1,112 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)os-xinu43.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: os-xinu43.h,v 5.2.2.1 1992/02/09 15:10:58 jsp beta $
+ *
+ * mt Xinu 4.3 (MORE/bsd) definitions for Amd (automounter)
+ * Should work on both Vax and HP ...
+ */
+
+/*
+ * Does the compiler grok void *
+ */
+#ifdef __GNUC__
+#define	VOIDP
+#endif
+
+/*
+ * Which version of the Sun RPC library we are using
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	RPC_4
+
+/*
+ * mt Xinu have a compatibility problem
+ * with getreq vs. getreqset.  On SunOS
+ * getreqset takes a pointer to an fd_set,
+ * whereas on MORE/bsd, getreq takes a
+ * fd_set directly (cf. an integer on SunOS).
+ */
+#define	svc_getreqset(p)	svc_getreq(*p)
+
+/*
+ * Which version of the NFS interface are we using.
+ * This is the implementation release number, not
+ * the protocol revision number.
+ */
+#define	NFS_4
+
+/*
+ * Name of filesystem types
+ */
+#define	MOUNT_TYPE_NFS	"nfs"
+#define	MOUNT_TYPE_UFS	"ufs"
+#undef MTAB_TYPE_UFS
+#define	MTAB_TYPE_UFS	"ufs"
+
+/*
+ * Byte ordering
+ */
+#ifndef BYTE_ORDER
+#include <machine/endian.h>
+#endif /* BYTE_ORDER */
+
+#undef ARCH_ENDIAN
+#if BYTE_ORDER == LITTLE_ENDIAN
+#define ARCH_ENDIAN "little"
+#else
+#if BYTE_ORDER == BIG_ENDIAN
+#define ARCH_ENDIAN "big"
+#else
+XXX - Probably no hope of running Amd on this machine!
+#endif /* BIG */
+#endif /* LITTLE */
+
+/*
+ * Type of a file handle
+ */
+#undef NFS_FH_TYPE
+#define NFS_FH_TYPE     caddr_t
+
+/*
+ * Type of filesystem type
+ */
+#undef MTYPE_TYPE
+#define	MTYPE_TYPE	char *
diff --git a/usr.sbin/amd/doc/Makefile b/usr.sbin/amd/doc/Makefile
new file mode 100644
index 0000000..297de2b
--- /dev/null
+++ b/usr.sbin/amd/doc/Makefile
@@ -0,0 +1,53 @@
+#
+# $Id: Makefile,v 5.2 90/06/23 22:21:25 jsp Rel $
+#
+# Copyright (c) 1990 Jan-Simon Pendry
+# Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+# Copyright (c) 1990 The Regents of the University of California.
+# All rights reserved.
+#
+# This code is derived from software contributed to Berkeley by
+# Jan-Simon Pendry at Imperial College, London.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#	This product includes software developed by the University of
+#	California, Berkeley and its contributors.
+# 4. Neither the name of the University nor the names of its contributors
+#    may be used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+#	@(#)Makefile	8.1 (Berkeley) 6/6/93
+#
+
+PROG = amdref
+SRCS = amdref.texinfo
+
+${PROG}: amdref.dvi
+
+amdref.dvi: ${SRCS}
+	-tex amdref; tex amdref
+
+clean:
+	-rm -f amdref.aux amdref.cp amdref.dvi amdref.fn amdref.ky \
+		amdref.log amdref.pg amdref.toc amdref.tp amdref.vr
diff --git a/usr.sbin/amd/doc/amdref.cps b/usr.sbin/amd/doc/amdref.cps
new file mode 100644
index 0000000..a146372
--- /dev/null
+++ b/usr.sbin/amd/doc/amdref.cps
@@ -0,0 +1,381 @@
+\initial {/}
+\entry {/etc/amd.start}{40}
+\entry {/etc/passwd maps}{15}
+\entry {/etc/rc.local additions}{40}
+\entry {/vol}{70}
+\initial {A}
+\entry {Additions to /etc/rc.local}{40}
+\entry {Aliased hostnames}{27}
+\entry {Alternate locations}{7}
+\entry {Amd command line options}{25}
+\entry {Amq command}{40}
+\entry {arch, FSinfo host attribute}{50}
+\entry {arch, mount selector}{20}
+\entry {Architecture dependent volumes}{68}
+\entry {Architecture sharing}{68}
+\entry {Architecture specific mounts}{69}
+\entry {Atomic NFS mounts}{33}
+\entry {auto, filesystem type}{36}
+\entry {autodir, mount selector}{20}
+\entry {Automatic generation of user maps}{15}
+\entry {Automount directory}{25}
+\entry {Automount filesystem}{36}
+\entry {Automounter configuration maps}{12}
+\entry {Automounter fundamentals}{5}
+\initial {B}
+\entry {Background mounts}{7}
+\entry {Binding names to filesystems}{6}
+\entry {bootparams, FSinfo prefix}{59}
+\entry {Bug reports}{3}
+\entry {byte, mount selector}{20}
+\initial {C}
+\entry {Cache interval}{26}
+\entry {cache, mount option}{36}
+\entry {Catch-all mount point}{70}
+\entry {Changing the interval before a filesystem times out}{26}
+\entry {Cluster names}{30}
+\entry {cluster, FSinfo host attribute}{50}
+\entry {cluster, mount selector}{20}
+\entry {Command line options, Amd}{25}
+\entry {Command line options, FSinfo}{58}
+\entry {config, FSinfo host attribute}{49}
+\entry {Configuration map types}{12}
+\entry {Controlling Amd}{41}
+\entry {Creating a pid file}{27}
+\initial {D}
+\entry {Debug options}{30}
+\entry {Defining a host, FSinfo}{48}
+\entry {Defining an Amd mount map, FSinfo}{56}
+\entry {Defining host attributes, FSinfo}{48}
+\entry {delay, mount option}{21}
+\entry {Delaying mounts from specific locations}{21}
+\entry {Determining the map type}{12}
+\entry {dev, mount option}{34}
+\entry {Direct automount filesystem}{37}
+\entry {direct, filesystem type}{37}
+\entry {Discovering version information}{28}
+\entry {Discovering what is going on at run-time}{41}
+\entry {Disk filesystems}{34}
+\entry {Displaying the process id}{27}
+\entry {Domain name}{26}
+\entry {Domain stripping}{18}
+\entry {domain, mount selector}{20}
+\entry {Domainname operators}{18}
+\entry {dumpset, FSinfo filesystems option}{55}
+\entry {dumpset, FSinfo prefix}{59}
+\entry {Duplicated volumes}{6}
+\initial {E}
+\entry {Environment variables}{18}
+\entry {Error filesystem}{38}
+\entry {error, filesystem type}{38}
+\entry {Example of architecture specific mounts}{69}
+\entry {Example of mounting home directories}{66}
+\entry {export, FSinfo special fstype}{52}
+\entry {exportfs, FSinfo mount option}{54}
+\entry {exports, FSinfo prefix}{59}
+\initial {F}
+\entry {File map syntactic conventions}{12}
+\entry {File maps}{12}
+\entry {Fileserver}{5}
+\entry {Filesystem}{5}
+\entry {Filesystem info package}{46}
+\entry {Filesystem type; auto}{36}
+\entry {Filesystem type; direct}{37}
+\entry {Filesystem type; error}{38}
+\entry {Filesystem type; host}{32}
+\entry {Filesystem type; inherit}{39}
+\entry {Filesystem type; link}{35}
+\entry {Filesystem type; nfs}{31}
+\entry {Filesystem type; nfsx}{33}
+\entry {Filesystem type; program}{34}
+\entry {Filesystem type; root}{39}
+\entry {Filesystem type; toplvl}{38}
+\entry {Filesystem type; ufs}{34}
+\entry {Filesystem type; union}{38}
+\entry {Filesystem types}{31}
+\entry {Flat file maps}{12}
+\entry {Flushing the map cache}{43}
+\entry {Forcing filesystem to time out}{45}
+\entry {freq, FSinfo filesystems option}{53}
+\entry {fs, mount option}{21}
+\entry {FSinfo}{46}
+\entry {FSinfo arch host attribute}{50}
+\entry {FSinfo automount definitions}{56}
+\entry {FSinfo cluster host attribute}{50}
+\entry {FSinfo command line options}{58}
+\entry {FSinfo config host attribute}{49}
+\entry {FSinfo dumpset filesystems option}{55}
+\entry {FSinfo error messages}{61}
+\entry {FSinfo filesystems}{51}
+\entry {FSinfo freq filesystems option}{53}
+\entry {FSinfo fstype filesystems option}{52}
+\entry {FSinfo grammar}{47}
+\entry {FSinfo host attributes}{48}
+\entry {FSinfo host definitions}{48}
+\entry {FSinfo log filesystems option}{55}
+\entry {FSinfo mount filesystems option}{54}
+\entry {FSinfo opts filesystems option}{53}
+\entry {FSinfo os host attribute}{50}
+\entry {FSinfo overview}{46}
+\entry {FSinfo passno filesystems option}{53}
+\entry {FSinfo static mounts}{55}
+\entry {fstab, FSinfo prefix}{60}
+\entry {fstype, FSinfo filesystems option}{52}
+\initial {G}
+\entry {Generic volume name}{70}
+\entry {Global statistics}{44}
+\entry {Grammar, FSinfo}{47}
+\initial {H}
+\entry {Hesiod maps}{15}
+\entry {Home directories}{66}
+\entry {host, filesystem type}{32}
+\entry {host, mount selector}{20}
+\entry {hostd, mount selector}{20}
+\entry {Hostname normalisation}{27}
+\entry {hostname, FSinfo command line option}{60}
+\entry {How keys are looked up}{16}
+\entry {How locations are parsed}{17}
+\entry {How to access environment variables in maps}{18}
+\entry {How to discover your version of Amd}{28}
+\entry {How to mount a local disk}{34}
+\entry {How to mount a UFS filesystems}{34}
+\entry {How to mount all NFS exported filesystems}{32}
+\entry {How to mount an atomic group of NFS filesystems}{33}
+\entry {How to mount and NFS filesystem}{31}
+\entry {How to reference part of the local name space}{35}
+\entry {How to select log messages}{29}
+\entry {How to set default map parameters}{18}
+\entry {How to set map cache parameters}{36}
+\entry {How to start a direct automount point}{37}
+\entry {How to start an indirect automount point}{36}
+\entry {How variables are expanded}{18}
+\initial {I}
+\entry {inherit, filesystem type}{39}
+\entry {Inheritance filesystem}{39}
+\entry {Interval before a filesystem times out}{26}
+\entry {Introduction}{4}
+\initial {K}
+\entry {karch, mount selector}{20}
+\entry {Keep-alives}{8}
+\entry {Key lookup}{16}
+\entry {key, mount selector}{20}
+\initial {L}
+\entry {License Information}{2}
+\entry {link, filesystem type}{35}
+\entry {Listing currently mounted filesystems}{41}
+\entry {Location format}{17}
+\entry {Location lists}{7}
+\entry {Log filename}{27}
+\entry {Log message selection}{29}
+\entry {log, FSinfo filesystems option}{55}
+\entry {Looking up keys}{16}
+\initial {M}
+\entry {Machine architecture names}{11}
+\entry {Machine architectures supported by Amd}{11}
+\entry {Mailing list}{3}
+\entry {Map cache options}{36}
+\entry {Map cache synchronising}{36}
+\entry {Map cache types}{36}
+\entry {Map cache, flushing}{43}
+\entry {Map defaults}{18}
+\entry {Map entry format}{17}
+\entry {Map lookup}{16}
+\entry {Map options}{21}
+\entry {Map types}{12}
+\entry {map, mount selector}{20}
+\entry {maps, FSinfo command line option}{60}
+\entry {Mount a filesystem under program control}{34}
+\entry {Mount home directories}{66}
+\entry {Mount information}{12}
+\entry {Mount map types}{12}
+\entry {Mount maps}{12}
+\entry {Mount option; cache}{36}
+\entry {Mount option; delay}{21}
+\entry {Mount option; dev}{34}
+\entry {Mount option; fs}{21}
+\entry {Mount option; mount}{34}
+\entry {Mount option; opts}{22}
+\entry {Mount option; rfs}{31}
+\entry {Mount option; rhost}{31}
+\entry {Mount option; sublink}{23}
+\entry {Mount option; type}{24}
+\entry {Mount option; unmount}{34}
+\entry {Mount retries}{7}
+\entry {Mount selector; arch}{20}
+\entry {Mount selector; autodir}{20}
+\entry {Mount selector; byte}{20}
+\entry {Mount selector; cluster}{20}
+\entry {Mount selector; domain}{20}
+\entry {Mount selector; host}{20}
+\entry {Mount selector; hostd}{20}
+\entry {Mount selector; karch}{20}
+\entry {Mount selector; key}{20}
+\entry {Mount selector; map}{20}
+\entry {Mount selector; os}{20}
+\entry {Mount selector; path}{20}
+\entry {Mount selector; wire}{21}
+\entry {mount system call}{22}
+\entry {mount system call flags}{22}
+\entry {Mount types}{31}
+\entry {mount, FSinfo filesystems option}{54}
+\entry {mount, mount option}{34}
+\entry {Mounting a local disk}{34}
+\entry {Mounting a UFS filesystem}{34}
+\entry {Mounting a volume}{7}
+\entry {Mounting an atomic group of NFS filesystems}{33}
+\entry {Mounting an NFS filesystem}{31}
+\entry {Mounting entire export trees}{32}
+\entry {Mounting part of the local name space}{35}
+\entry {Mounting user filesystems}{65}
+\entry {Multiple-threaded server}{9}
+\initial {N}
+\entry {Namespace}{6}
+\entry {ndbm maps}{13}
+\entry {Network filesystem group}{33}
+\entry {Network host filesystem}{32}
+\entry {Network-wide naming}{6}
+\entry {NFS}{31}
+\entry {NFS ping}{8}
+\entry {nfs, filesystem type}{31}
+\entry {nfsx, filesystem type}{33}
+\entry {NIS (YP) domain name}{30}
+\entry {NIS (YP) maps}{14}
+\entry {Nodes generated on a restart}{39}
+\entry {Non-blocking operation}{9}
+\entry {Normalising hostnames}{27}
+\initial {O}
+\entry {Obtaining the source code}{3}
+\entry {Operating system names}{10}
+\entry {Operating systems supported by Amd}{10}
+\entry {Operational principles}{7}
+\entry {opts, FSinfo filesystems option}{53}
+\entry {opts, mount option}{22}
+\entry {os, FSinfo host attribute}{50}
+\entry {os, mount selector}{20}
+\entry {Overriding defaults on the command line}{25}
+\entry {Overriding the default mount point}{21}
+\entry {Overriding the local domain name}{26}
+\entry {Overriding the NIS (YP) domain name}{30}
+\initial {P}
+\entry {Passing parameters to the mount system call}{22}
+\entry {passno, FSinfo filesystems option}{53}
+\entry {Password file maps}{15}
+\entry {path, mount selector}{20}
+\entry {Pathname operators}{18}
+\entry {Picking up existing mounts}{28}
+\entry {pid file, creating with -p option}{27}
+\entry {Primary server}{21}
+\entry {Process id}{27}
+\entry {process id of Amd daemon}{27}
+\entry {Program filesystem}{34}
+\entry {program, filesystem type}{34}
+\initial {Q}
+\entry {Querying an alternate host}{43}
+\entry {quiet, FSinfo command line option}{61}
+\initial {R}
+\entry {Referencing part of the local name space}{35}
+\entry {Regular expressions in maps}{36}
+\entry {Replacement volumes}{6}
+\entry {Replicated volumes}{6}
+\entry {Resolving aliased hostnames}{27}
+\entry {Restarting existing mounts}{28}
+\entry {rfs, mount option}{31}
+\entry {rhost, mount option}{31}
+\entry {Root filesystem}{39}
+\entry {root, filesystem type}{39}
+\entry {RPC retries}{9}
+\entry {Run-time administration}{40}
+\entry {rwho servers}{69}
+\initial {S}
+\entry {Secondary server}{21}
+\entry {sel, FSinfo mount option}{54}
+\entry {Selecting specific log messages}{29}
+\entry {Selector; arch}{20}
+\entry {Selector; autodir}{20}
+\entry {Selector; byte}{20}
+\entry {Selector; cluster}{20}
+\entry {Selector; domain}{20}
+\entry {Selector; host}{20}
+\entry {Selector; hostd}{20}
+\entry {Selector; karch}{20}
+\entry {Selector; key}{20}
+\entry {Selector; map}{20}
+\entry {Selector; os}{20}
+\entry {Selector; path}{20}
+\entry {Selector; wire}{21}
+\entry {Selectors}{19}
+\entry {Server crashes}{8}
+\entry {Setting a delay on a mount location}{21}
+\entry {Setting Amd's RPC parameters}{28}
+\entry {Setting debug flags}{30}
+\entry {Setting default map parameters}{18}
+\entry {Setting map cache parameters}{36}
+\entry {Setting map options}{21}
+\entry {Setting system mount options}{22}
+\entry {Setting the cluster name}{30}
+\entry {Setting the default mount directory}{25}
+\entry {Setting the filesystem type option}{24}
+\entry {Setting the interval before a filesystem times out}{26}
+\entry {Setting the interval between unmount attempts}{28}
+\entry {Setting the Kernel architecture}{26}
+\entry {Setting the local domain name}{26}
+\entry {Setting the local mount point}{21}
+\entry {Setting the log file}{27}
+\entry {Setting the NIS (YP) domain name}{30}
+\entry {Setting the sublink option}{23}
+\entry {Sharing a fileserver between architectures}{68}
+\entry {SIGHUP signal}{36}
+\entry {SIGINT signal}{41}
+\entry {SIGTERM signal}{41}
+\entry {Source code distribution}{3}
+\entry {Starting Amd}{40}
+\entry {Statically mounts filesystems, FSinfo}{55}
+\entry {Statistics}{44}
+\entry {Stopping Amd}{41}
+\entry {Stripping the local domain name}{18}
+\entry {sublink}{5}
+\entry {sublink, mount option}{23}
+\entry {Supported machine architectures}{11}
+\entry {Supported operating systems}{10}
+\entry {Symbolic link filesystem}{35}
+\entry {symlink, link filesystem type}{35}
+\entry {Synchronising the map cache}{36}
+\entry {syslog}{27}
+\entry {syslog priorities}{29}
+\initial {T}
+\entry {The mount system call}{22}
+\entry {Top level filesystem}{38}
+\entry {toplvl, filesystem type}{38}
+\entry {type, mount option}{24}
+\entry {Types of configuration map}{12}
+\entry {Types of filesystem}{31}
+\entry {Types of mount map}{12}
+\initial {U}
+\entry {UFS}{34}
+\entry {ufs, filesystem type}{34}
+\entry {Union file maps}{16}
+\entry {Union filesystem}{38}
+\entry {union, filesystem type}{38}
+\entry {Unix filesystem}{34}
+\entry {Unix namespace}{6}
+\entry {unmount attempt backoff interval}{28}
+\entry {unmount, mount option}{34}
+\entry {Unmounting a filesystem}{45}
+\entry {User filesystems}{65}
+\entry {User maps, automatic generation}{15}
+\entry {Using FSinfo}{46}
+\entry {Using syslog to log errors}{27}
+\entry {Using the password file as a map}{15}
+\initial {V}
+\entry {Variable expansion}{18}
+\entry {verbose, FSinfo command line option}{61}
+\entry {Version information}{28}
+\entry {volname, FSinfo mount option}{54}
+\entry {Volume}{5}
+\entry {Volume binding}{6}
+\entry {Volume names}{6}
+\initial {W}
+\entry {Wildcards in maps}{16}
+\entry {wire, mount selector}{21}
+\initial {Y}
+\entry {YP domain name}{30}
diff --git a/usr.sbin/amd/doc/amdref.ps b/usr.sbin/amd/doc/amdref.ps
new file mode 100644
index 0000000..17e10f5
--- /dev/null
+++ b/usr.sbin/amd/doc/amdref.ps
@@ -0,0 +1,6429 @@
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+%%Trailer
+end
+userdict /end-hook known{end-hook}if
+%%EOF
diff --git a/usr.sbin/amd/doc/amdref.texinfo b/usr.sbin/amd/doc/amdref.texinfo
new file mode 100644
index 0000000..4a6d8e9
--- /dev/null
+++ b/usr.sbin/amd/doc/amdref.texinfo
@@ -0,0 +1,4554 @@
+\input texinfo		@c -*-texinfo-*-
+@c
+@c Copyright (c) 1989 Jan-Simon Pendry
+@c Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+@c Copyright (c) 1989 The Regents of the University of California.
+@c All rights reserved.
+@c
+@c This code is derived from software contributed to Berkeley by
+@c Jan-Simon Pendry at Imperial College, London.
+@c
+@c Redistribution and use in source and binary forms, with or without
+@c modification, are permitted provided that the following conditions
+@c are met:
+@c 1. Redistributions of source code must retain the above copyright
+@c    notice, this list of conditions and the following disclaimer.
+@c 2. Redistributions in binary form must reproduce the above copyright
+@c    notice, this list of conditions and the following disclaimer in the
+@c    documentation and/or other materials provided with the distribution.
+@c 3. All advertising materials mentioning features or use of this software
+@c    must display the following acknowledgement:
+@c      This product includes software developed by the University of
+@c      California, Berkeley and its contributors.
+@c 4. Neither the name of the University nor the names of its contributors
+@c    may be used to endorse or promote products derived from this software
+@c    without specific prior written permission.
+@c
+@c THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+@c ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+@c IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+@c ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+@c FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+@c DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+@c OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+@c HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+@c LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+@c OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+@c
+@c	@(#)amdref.texinfo	8.1 (Berkeley) 6/6/93
+@c
+@c $Id: amdref.texinfo,v 5.2.2.1 1992/02/09 15:11:50 jsp beta $
+@c
+@setfilename amdref.info
+@c @setfilename /usr/local/emacs/info/amd
+@tex
+\overfullrule=0pt
+@end tex
+
+@settitle 4.4 BSD Automounter Reference Manual
+@titlepage
+@sp 6
+@center @titlefont{Amd}
+@sp 2
+@center @titlefont{The 4.4 BSD Automounter}
+@sp 2
+@center @titlefont{Reference Manual}
+@sp 2
+@center @authorfont{Jan-Simon Pendry}
+@sp
+@center @i{and}
+@sp
+@center @authorfont{Nick Williams}
+@sp 4
+@center Last updated March 1991
+@center Documentation for software revision 5.3 Alpha
+@page
+Copyright @copyright{} 1989 Jan-Simon Pendry
+@sp -1
+Copyright @copyright{} 1989 Imperial College of Science, Technology & Medicine
+@sp -1
+Copyright @copyright{} 1989 The Regents of the University of California.
+@sp 0
+All Rights Reserved.
+@vskip 1ex
+Permission to copy this document, or any portion of it, as
+necessary for use of this software is granted provided this
+copyright notice and statement of permission are included.
+@end titlepage
+@page
+@ifinfo
+@node Top, License, , (DIR)
+
+Amd - The 4.4 BSD Automounter
+*****************************
+
+Amd is the 4.4 BSD Automounter.  This Info file describes how
+to use and understand Amd.
+@end ifinfo
+
+@menu
+* License::                  Explains the terms and conditions for using
+                             and distributing Amd.
+* Distrib::                  How to get the latest Amd distribution.
+* Intro::                    An introduction to Automounting concepts.
+* Overview::                 An overview of Amd.
+* Supported Platforms::      Machines and Systems supported by Amd.
+* Mount Maps::               Details of mount maps
+* Amd Command Line Options:: All the Amd command line options explained. 
+* Filesystem Types::         The different mount types supported by Amd.
+* Run-time Administration::  How to start, stop and control Amd.
+* FSinfo::                   The FSinfo filesystem management tool.
+* Internals::                Internals.
+* Acknowledgements & Trademarks:: Legal notes.
+* Examples::                 Some examples showing how Amd might be used.
+* Internals::                Implementation details.
+* Acknowledgements & Trademarks::
+
+Indexes
+* Index::                    An item for each concept.
+@end menu
+
+@iftex
+@unnumbered Preface
+
+This manual documents the use of the 4.4 BSD automounter---@i{Amd}.
+This is primarily a reference manual.  Unfortunately, no tutorial
+exists.
+
+This manual comes in two forms: the published form and the Info form.
+The Info form is for on-line perusal with the INFO program which is
+distributed along with GNU Emacs.  Both forms contain substantially the
+same text and are generated from a common source file, which is
+distributed with the @i{Amd} source.
+@end iftex
+
+@node License, Distrib, Top, Top
+@unnumbered License
+@cindex License Information
+
+@i{Amd} is not in the public domain; it is copyrighted and there are
+restrictions on its distribution.
+
+Redistribution and use in source and binary forms are permitted provided
+that: (1) source distributions  retain this entire  copyright notice and
+comment, and (2) distributions including  binaries display the following
+acknowledgement: ``This product  includes  software  developed  by   The
+University  of California,   Berkeley  and its  Contributors''  in   the
+documentation  or other materials provided with  the distribution and in
+all advertising materials mentioning  features  or use of this software.
+neither the name of the University nor the names of its Contributors may
+be  used   to endorse or promote   products  derived from  this software
+without specific prior written permission.
+
+THIS SOFTWARE IS  PROVIDED ``AS IS''  AND WITHOUT ANY EXPRESS OR IMPLIED
+WARRANTIES, INCLUDING,  WITHOUT  LIMITATION,  THE IMPLIED  WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+
+@node Distrib, Intro, License, Top
+@unnumbered Source Distribution
+@cindex Source code distribution
+@cindex Obtaining the source code
+
+If you have access to the Internet, you can get the latest distribution
+version of @i{Amd} from host @file{usc.edu} using anonymous FTP.  Move to
+the directory @file{/pub/amd} on that host and fetch the file @file{amd.tar.Z}.
+
+If you are in the UK, you can get the latest distribution version of
+@i{Amd} from the UKnet info-server.  Start by sending email to
+@file{info-server@@doc.ic.ac.uk}.
+
+Sites on the UK JANET network can get the latest distribution by using
+anonymous NIFTP to fetch the file @samp{<AMD>amd.tar.Z} from host
+@samp{uk.ac.imperial.doc.src}.
+
+Revision 5.2 was part of the 4.3 BSD Reno distribution.
+
+Revision 5.3bsdnet, a late alpha version of 5.3, was part
+of the BSD network version 2 distribution
+
+@unnumberedsec Bug Reports
+@cindex Bug reports
+
+Send all bug reports to @file{jsp@@doc.ic.ac.uk} quoting the details of
+the release and your configuration.  These can be obtained by running
+the command @samp{amd -v}.
+
+@unnumberedsec Mailing List
+@cindex Mailing list
+
+There is a mailing list for people interested in keeping uptodate with
+developments.  To subscribe, send a note to @file{amd-workers-request@@acl.lanl.gov}.
+
+@node Intro, Overview, Distrib, Top
+@unnumbered Introduction
+@cindex Introduction
+
+An @dfn{automounter} maintains a cache of mounted filesystems.
+Filesystems are mounted on demand when they are first referenced,
+and unmounted after a period of inactivity.
+
+@i{Amd} may be used as a replacement for Sun's automounter.  The choice
+of which filesystem to mount can be controlled dynamically with
+@dfn{selectors}.  Selectors allow decisions of the form ``hostname is
+@var{this},'' or ``architecture is not @var{that}.''  Selectors may be
+combined arbitrarily.  @i{Amd} also supports a variety of filesystem
+types, including NFS, UFS and the novel @dfn{program} filesystem.  The
+combination of selectors and multiple filesystem types allows identical
+configuration files to be used on all machines so reducing the
+administrative overhead.
+
+@i{Amd} ensures that it will not hang if a remote server goes down.
+Moreover, @i{Amd} can determine when a remote server has become
+inaccessible and then mount replacement filesystems as and when they
+become available.
+
+@i{Amd} contains no proprietary source code and has been ported to
+numerous flavours of Unix.
+
+@node Overview, Supported Platforms, Intro, Top
+@chapter Overview
+
+@i{Amd} maintains a cache of mounted filesystems.  Filesystems are
+@dfn{demand-mounted} when they are first referenced, and unmounted after
+a period of inactivity.  @i{Amd} may be used as a replacement for Sun's
+@b{automount}(8) program.  It contains no proprietary source code and
+has been ported to numerous flavours of Unix.  @xref{Supported Operating
+Systems}.@refill
+
+@i{Amd} was designed as the basis for experimenting with filesystem
+layout and management.  Although @i{Amd} has many direct applications it
+is loaded with additional features which have little practical use.  At
+some point the infrequently used components may be removed to streamline
+the production system.
+
+@c @i{Amd} supports the notion of @dfn{replicated} filesystems by evaluating
+@c each member of a list of possible filesystem locations in parallel.
+@c @i{Amd} checks that each cached mapping remains valid.  Should a mapping be
+@c lost -- such as happens when a fileserver goes down -- @i{Amd} automatically
+@c selects a replacement should one be available.
+@c
+@menu
+* Fundamentals::
+* Filesystems and Volumes::
+* Volume Naming::
+* Volume Binding::
+* Operational Principles::
+* Mounting a Volume::
+* Automatic Unmounting::
+* Keep-alives::
+* Non-blocking Operation::
+@end menu
+
+@node     Fundamentals, Filesystems and Volumes, Overview, Overview
+@comment  node-name,  next,  previous,  up
+@section Fundamentals
+@cindex Automounter fundamentals
+
+The fundamental concept behind @i{Amd} is the ability to separate the
+name used to refer to a file from the name used to refer to its physical
+storage location.  This allows the same files to be accessed with the
+same name regardless of where in the network the name is used.  This is
+very different from placing @file{/n/hostname} in front of the pathname
+since that includes location dependent information which may change if
+files are moved to another machine.
+
+By placing the required mappings in a centrally administered database,
+filesystems can be re-organised without requiring changes to
+configuration files, shell scripts and so on.
+
+@node     Filesystems and Volumes, Volume Naming, Fundamentals, Overview
+@comment  node-name,  next,  previous,  up
+@section Filesystems and Volumes
+@cindex Filesystem
+@cindex Volume
+@cindex Fileserver
+@cindex sublink
+
+@i{Amd} views the world as a set of fileservers, each containg one or
+more filesystems where each filesystem contains one or more
+@dfn{volumes}.  Here the term @dfn{volume} is used to refer to a
+coherent set of files such as a user's home directory or a @TeX{}
+distribution.@refill
+
+In order to access the contents of a volume, @i{Amd} must be told in
+which filesystem the volume resides and which host owns the filesystem.
+By default the host is assumed to be local and the volume is assumed to
+be the entire filesystem.  If a filesystem contains more than one
+volume, then a @dfn{sublink} is used to refer to the sub-directory
+within the filesystem where the volume can be found.
+
+@node     Volume Naming, Volume Binding, Filesystems and Volumes, Overview
+@comment  node-name,  next,  previous,  up
+@section Volume Naming
+@cindex Volume names
+@cindex Network-wide naming
+@cindex Replicated volumes
+@cindex Duplicated volumes
+@cindex Replacement volumes
+
+Volume names are defined to be unique across the entire network.  A
+volume name is the pathname to the volume's root as known by the users
+of that volume.  Since this name uniquely identifies the volume
+contents, all volumes can be named and accessed from each host, subject
+to administrative controls.
+
+Volumes may be replicated or duplicated.  Replicated volumes contain
+identical copies of the same data and reside at two or more locations in
+the network.  Each of the replicated volumes can be used
+interchangeably.  Duplicated volumes each have the same name but contain
+different, though functionally identical, data.  For example,
+@samp{/vol/tex} might be the name of a @TeX{} distribution which varied
+for each machine architecture.@refill
+
+@i{Amd} provides facilities to take advantage of both replicated and
+duplicated volumes.  Configuration options allow a single set of
+configuration data to be shared across an entire network by taking
+advantage of replicated and duplicated volumes.
+
+@i{Amd} can take advantage of replacement volumes by mounting them as
+required should an active fileserver become unavailable.
+
+@node     Volume Binding, Operational Principles, Volume Naming, Overview
+@comment  node-name,  next,  previous,  up
+@section Volume Binding
+@cindex Volume binding
+@cindex Unix namespace
+@cindex Namespace
+@cindex Binding names to filesystems
+
+Unix implements a namespace of hierarchically mounted filesystems.  Two
+forms of binding between names and files are provided.  A @dfn{hard
+link} completes the binding when the name is added to the filesystem.  A
+@dfn{soft link} delays the binding until the name is accessed.  An
+@dfn{automounter} adds a further form in which the binding of name to
+filesystem is delayed until the name is accessed.@refill
+
+The target volume, in its general form, is a tuple (host, filesystem,
+sublink) which can be used to name the physical location of any volume
+in the network.
+
+When a target is referenced, @i{Amd} ignores the sublink element and
+determines whether the required filesystem is already mounted.  This is
+done by computing the local mount point for the filesystem and checking
+for an existing filesystem mounted at the same place.  If such a
+filesystem already exists then it is assumed to be functionally
+identical to the target filesystem.  By default there is a one-to-one
+mapping between the pair (host, filesystem) and the local mount point so
+this assumption is valid.
+
+@node     Operational Principles, Mounting a Volume, Volume Binding, Overview
+@comment  node-name,  next,  previous,  up
+@section Operational Principles
+@cindex Operational principles
+
+@i{Amd} operates by introducing new mount points into the namespace.
+These are called @dfn{automount} points.  The kernel sees these
+automount points as NFS filesystems being served by @i{Amd}.  Having
+attached itself to the namespace, @i{Amd} is now able to control the
+view the rest of the system has of those mount points.  RPC calls are
+received from the kernel one at a time.
+
+When a @dfn{lookup} call is received @i{Amd} checks whether the name is
+already known.  If it is not, the required volume is mounted.  A
+symbolic link pointing to the volume root is then returned.  Once the
+symbolic link is returned, the kernel will send all other requests
+direct to the mounted filesystem.
+
+If a volume is not yet mounted, @i{Amd} consults a configuration
+@dfn{mount-map} corresponding to the automount point.  @i{Amd} then
+makes a runtime decision on what and where to mount a filesystem based
+on the information obtained from the map.
+
+@i{Amd} does not implement all the NFS requests; only those relevant
+to name binding such as @dfn{lookup}, @dfn{readlink} and @dfn{readdir}.
+Some other calls are also implemented but most simply return an error
+code; for example @dfn{mkdir} always returns ``read-only filesystem''.
+
+@node     Mounting a Volume, Automatic Unmounting, Operational Principles, Overview
+@comment  node-name,  next,  previous,  up
+@section Mounting a Volume
+@cindex Mounting a volume
+@cindex Location lists
+@cindex Alternate locations
+@cindex Mount retries
+@cindex Background mounts
+
+Each automount point has a corresponding mount map.  The mount map
+contains a list of key--value pairs.  The key is the name of the volume
+to be mounted.  The value is a list of locations describing where the
+filesystem is stored in the network.  In the source for the map the
+value would look like
+
+@display
+location1  location2  @dots{}  locationN
+@end display
+
+@i{Amd} examines each location in turn.  Each location may contain
+@dfn{selectors} which control whether @i{Amd} can use that location.
+For example, the location may be restricted to use by certain hosts.
+Those locations which cannot be used are ignored.
+
+@i{Amd} attempts to mount the filesystem described by each remaining
+location until a mount succeeds or @i{Amd} can no longer proceed.  The
+latter can occur in three ways:
+
+@itemize @bullet
+@item
+If none of the locations could be used, or if all of the locations
+caused an error, then the last error is returned.
+
+@item
+If a location could be used but was being mounted in the background then
+@i{Amd} marks that mount as being ``in progress'' and continues with
+the next request; no reply is sent to the kernel.
+
+@item
+Lastly, one or more of the mounts may have been @dfn{deferred}.  A mount
+is deferred if extra information is required before the mount can
+proceed.  When the information becomes available the mount will take
+place, but in the mean time no reply is sent to the kernel.  If the
+mount is deferred, @i{Amd} continues to try any remaining locations.
+@end itemize
+
+Once a volume has been mounted, @i{Amd} establishes a @dfn{volume
+mapping} which is used to satisfy subsequent requests.@refill
+
+@node     Automatic Unmounting, Keep-alives, Mounting a Volume, Overview
+@comment  node-name,  next,  previous,  up
+@section Automatic Unmounting
+
+To avoid an ever increasing number of filesystem mounts, @i{Amd} removes
+volume mappings which have not been used recently.  A time-to-live
+interval is associated with each mapping and when that expires the
+mapping is removed.  When the last reference to a filesystem is removed,
+that filesystem is unmounted.  If the unmount fails, for example the
+filesystem is still busy, the mapping is re-instated and its
+time-to-live interval is extended.  The global default for this grace
+period is controlled by the ``-w'' command-line option (@pxref{-w
+Option, -w}).  It is also possible to set this value on a per-mount
+basis (@pxref{opts Option, opts, opts}).@refill
+
+Filesystems can be forcefully timed out using the @i{Amq} command.
+@xref{Run-time Administration}.
+
+@node     Keep-alives, Non-blocking Operation, Automatic Unmounting, Overview
+@comment  node-name,  next,  previous,  up
+@section Keep-alives
+@cindex Keep-alives
+@cindex Server crashes
+@cindex NFS ping
+
+Use of some filesystem types requires the presence of a server on
+another machine.  If a machine crashes then it is of no concern to
+processes on that machine that the filesystem is unavailable.  However,
+to processes on a remote host using that machine as a fileserver this
+event is important.  This situation is most widely recognised when an
+NFS server crashes and the behaviour observed on client machines is that
+more and more processes hang.  In order to provide the possibility of
+recovery, @i{Amd} implements a @dfn{keep-alive} interval timer for some
+filesystem types.  Currently only NFS makes use of this service.
+
+The basis of the NFS keep-alive implementation is the observation that
+most sites maintain replicated copies of common system data such as
+manual pages, most or all programs, system source code and so on.  If
+one of those servers goes down it would be reasonable to mount one of
+the others as a replacement.
+
+The first part of the process is to keep track of which fileservers are
+up and which are down.  @i{Amd} does this by sending RPC requests to the
+servers' NFS @code{NullProc} and checking whether a reply is returned.
+While the server state is uncertain the requests are re-transmitted at
+three second intervals and if no reply is received after four attempts
+the server is marked down.  If a reply is received the fileserver is
+marked up and stays in that state for 30 seconds at which time another
+NFS ping is sent.
+
+Once a fileserver is marked down, requests continue to be sent every 30
+seconds in order to determine when the fileserver comes back up.  During
+this time any reference through @i{Amd} to the filesystems on that
+server fail with the error ``Operation would block''.  If a replacement
+volume is available then it will be mounted, otherwise the error is
+returned to the user.
+
+@c @i{Amd} keeps track of which servers are up and which are down.
+@c It does this by sending RPC requests to the servers' NFS {\sc NullProc} and
+@c checking whether a reply is returned.  If no replies are received after a
+@c short period, @i{Amd} marks the fileserver @dfn{down}.
+@c RPC requests continue to be sent so that it will notice when a fileserver
+@c comes back up.
+@c ICMP echo packets \cite{rfc:icmp} are not used because it is the availability
+@c of the NFS service that is important, not the existence of a base kernel.
+@c Whenever a reference to a fileserver which is down is made via @i{Amd}, an alternate
+@c filesystem is mounted if one is available.
+@c
+Although this action does not protect user files, which are unique on
+the network, or processes which do not access files via @i{Amd} or
+already have open files on the hung filesystem, it can prevent most new
+processes from hanging.
+
+By default, fileserver state is not maintained for NFS/TCP mounts.  The
+remote fileserver is always assumed to be up.
+@c
+@c With a suitable combination of filesystem management and mount-maps,
+@c machines can be protected against most server downtime.  This can be
+@c enhanced by allocating boot-servers dynamically which allows a diskless
+@c workstation to be quickly restarted if necessary.  Once the root filesystem
+@c is mounted, @i{Amd} can be started and allowed to mount the remainder of
+@c the filesystem from whichever fileservers are available.
+
+@node     Non-blocking Operation, , Keep-alives, Overview
+@comment  node-name,  next,  previous,  up
+@section Non-blocking Operation
+@cindex Non-blocking operation
+@cindex Multiple-threaded server
+@cindex RPC retries
+
+Since there is only one instance of @i{Amd} for each automount point,
+and usually only one instance on each machine, it is important that it
+is always available to service kernel calls.  @i{Amd} goes to great
+lengths to ensure that it does not block in a system call.  As a last
+resort @i{Amd} will fork before it attempts a system call that may block
+indefinitely, such as mounting an NFS filesystem.  Other tasks such as
+obtaining filehandle information for an NFS filesystem, are done using a
+purpose built non-blocking RPC library which is integrated with
+@i{Amd}'s task scheduler.  This library is also used to implement NFS
+keep-alives (@pxref{Keep-alives}).
+
+Whenever a mount is deferred or backgrounded, @i{Amd} must wait for it
+to complete before replying to the kernel.  However, this would cause
+@i{Amd} to block waiting for a reply to be constructed.  Rather than do
+this, @i{Amd} simply @dfn{drops} the call under the assumption that the
+kernel RPC mechanism will automatically retry the request.
+
+@node     Supported Platforms, Mount Maps, Overview, Top
+@comment  node-name,  next,  previous,  up
+@chapter Supported Platforms
+
+@i{Amd} has been ported to a wide variety of machines and operating systems.
+The table below lists those platforms supported by the current release.
+
+@menu
+* Supported Operating Systems::
+* Supported Machine Architectures::
+@end menu
+
+@node     Supported Operating Systems, Supported Machine Architectures, Supported Platforms, Supported Platforms
+@comment  node-name,  next,  previous,  up
+@section Supported Operating Systems
+@cindex Operating system names
+@cindex Operating systems supported by Amd
+@cindex Supported operating systems
+
+The following operating systems are currently supported by @i{Amd}.
+@i{Amd}'s conventional name for each system is given.
+
+@table @code
+@item acis43
+4.3 BSD for IBM RT.  Contributed by Jan-Simon Pendry @t{<jsp@@doc.ic.ac.uk>}
+@item aix3
+AIX 3.1.  Contributed by Jan-Simon Pendry @t{<jsp@@doc.ic.ac.uk>}
+@item aux
+System V for Mac-II.  Contributed by Julian Onions @t{<jpo@@cs.nott.ac.uk>}
+@item bsd44
+4.4 BSD.  Contributed by Jan-Simon Pendry @t{<jsp@@doc.ic.ac.uk>}
+@item concentrix
+Concentrix 5.0.  Contributed by Sjoerd Mullender @t{<sjoerd@@cwi.nl>}
+@item convex
+Convex OS 7.1.  Contributed by Eitan Mizrotsky @t{<eitan@@shumuji.ac.il>}
+@item dgux
+Data General DG/UX.  Contributed by Mark Davies @t{<mark@@comp.vuw.ac.nz>}
+@item fpx4
+Celerity FPX 4.1/2.  Contributed by Stephen Pope @t{<scp@@grizzly.acl.lanl.gov>}
+@item hcx
+Harris HCX/UX.  Contributed by Chris Metcalf @t{<metcalf@@masala.lcs.mit.edu>}
+@item hlh42
+HLH OTS 1.@i{x} (4.2 BSD).  Contributed by Jan-Simon Pendry @t{<jsp@@doc.ic.ac.uk>}
+@item hpux
+HP-UX 6.@i{x} or 7.0.  Contributed by Jan-Simon Pendry @t{<jsp@@doc.ic.ac.uk>}
+@item irix
+SGI Irix.  Contributed by Scott R. Presnell @t{<srp@@cgl.ucsf.edu>}
+@item next
+Mach for NeXT.  Contributed by Bill Trost @t{<trost%reed@@cse.ogi.edu>}
+@item pyrOSx
+Pyramid OSx.  Contributed by Stefan Petri @t{<petri@@tubsibr.UUCP>}
+@item riscix
+Acorn RISC iX.  Contributed by Piete Brooks @t{<pb@@cam.cl.ac.uk>}
+@item sos3
+SunOS 3.4 & 3.5.  Contributed by Jan-Simon Pendry @t{<jsp@@doc.ic.ac.uk>}
+@item sos4
+SunOS 4.@i{x}.  Contributed by Jan-Simon Pendry @t{<jsp@@doc.ic.ac.uk>}
+@item u2_2
+Ultrix 2.2.  Contributed by Piete Brooks @t{<pb@@cam.cl.ac.uk>}
+@item u3_0
+Ultrix 3.  Contributed by Piete Brooks @t{<pb@@cam.cl.ac.uk>}
+@item u4_0
+Ultrix 4.0.  Contributed by Chris Lindblad @t{<cjl@@ai.mit.edu>}
+@item umax43
+Umax 4.3 BSD.  Contributed by Sjoerd Mullender @t{<sjoerd@@cwi.nl>}
+@item utek
+Utek 4.0.  Contributed by Bill Trost @t{<trost%reed@@cse.ogi.edu>}
+@item xinu43
+mt Xinu MORE/bsd.  Contributed by Jan-Simon Pendry @t{<jsp@@doc.ic.ac.uk>}
+@end table
+
+@node     Supported Machine Architectures, , Supported Operating Systems, Supported Platforms
+@comment  node-name,  next,  previous,  up
+@section Supported Machine Architectures
+@cindex Supported machine architectures
+@cindex Machine architecture names
+@cindex Machine architectures supported by Amd
+
+@table @code
+@item alliant
+Alliant FX/4
+@item arm
+Acorn ARM
+@item aviion
+Data General AViiON
+@item encore
+Encore
+@item fps500
+FPS Model 500
+@item hp9000
+HP 9000/300 family
+@item hp9k8
+HP 9000/800 family
+@item ibm032
+IBM RT
+@item ibm6000
+IBM RISC System/6000
+@item iris4d
+SGI Iris 4D
+@item macII
+Apple Mac II
+@item mips
+MIPS RISC
+@item multimax
+Encore Multimax
+@item orion105
+HLH Orion 1/05
+@item sun3
+Sun-3 family
+@item sun4
+Sun-4 family
+@item tahoe
+Tahoe family
+@item vax
+DEC Vax
+@end table
+
+@node     Mount Maps, Amd Command Line Options, Supported Platforms, Top
+@comment  node-name,  next,  previous,  up
+@chapter Mount Maps
+@cindex Mount maps
+@cindex Automounter configuration maps
+@cindex Mount information
+
+@i{Amd} has no built-in knowledge of machines or filesystems.
+External @dfn{mount-maps} are used to provide the required information.
+Specifically, @i{Amd} needs to know when and under what conditions it
+should mount filesystems.
+
+The map entry corresponding to the requested name contains a list of
+possible locations from which to resolve the request.  Each location
+specifies filesystem type, information required by that filesystem (for
+example the block special device in the case of UFS), and some
+information describing where to mount the filesystem (@pxref{fs Option}).  A
+location may also contain @dfn{selectors} (@pxref{Selectors}).@refill
+
+@menu
+* Map Types::
+* Key Lookup::
+* Location Format::
+@end menu
+
+@node     Map Types, Key Lookup, Mount Maps, Mount Maps
+@comment  node-name,  next,  previous,  up
+@section Map Types
+@cindex Mount map types
+@cindex Map types
+@cindex Configuration map types
+@cindex Types of mount map
+@cindex Types of configuration map
+@cindex Determining the map type
+
+A mount-map provides the run-time configuration information to @i{Amd}.
+Maps can be implemented in many ways.  Some of the forms supported by
+@i{Amd} are regular files, ndbm databases, NIS maps the @dfn{Hesiod}
+name server and even the password file.
+
+A mount-map @dfn{name} is a sequence of characters.  When an automount
+point is created a handle on the mount-map is obtained.  For each map
+type configured @i{Amd} attempts to reference the a map of the
+appropriate type.  If a map is found, @i{Amd} notes the type for future
+use and deletes the reference, for example closing any open file
+descriptors.  The available maps are configure when @i{Amd} is built and
+can be displayed by running the command @samp{amd -v}.
+
+By default, @i{Amd} caches data in a mode dependent on the type of map.
+This is the same as specifying @samp{cache:=mapdefault} and selects a
+suitable default cache mode depending on the map type.  The individual
+defaults are described below.  The @var{cache} option can be specified
+on automount points to alter the caching behaviour (@pxref{Automount
+Filesystem}).@refill
+
+The following map types have been implemented, though some are not
+available on all machines.  Run the command @samp{amd -v} to obtain a
+list of map types configured on your machine.
+
+@menu
+* File maps::
+* ndbm maps::
+* NIS maps::
+* Hesiod maps::
+* Password maps::
+* Union maps::
+@end menu
+
+@node     File maps, ndbm maps, Map Types, Map Types
+@comment  node-name,  next,  previous,  up
+@subsection File maps
+@cindex File maps
+@cindex Flat file maps
+@cindex File map syntactic conventions
+
+When @i{Amd} searches a file for a map entry it does a simple scan of
+the file and supports both comments and continuation lines.
+
+Continuation lines are indicated by a backslash character (@samp{\}) as
+the last character of a line in the file.  The backslash, newline character
+@emph{and any leading white space on the following line} are discarded.  A maximum
+line length of 2047 characters is enforced after continuation lines are read
+but before comments are stripped.  Each line must end with
+a newline character; that is newlines are terminators, not separators.
+The following examples illustrate this:
+
+@example
+key     valA   valB;   \
+          valC
+@end example
+
+specifies @emph{three} locations, and is identical to
+
+@example
+key     valA   valB;   valC
+@end example
+
+However,
+
+@example
+key     valA   valB;\
+          valC
+@end example
+
+specifies only @emph{two} locations, and is identical to
+
+@example
+key     valA   valB;valC
+@end example
+
+After a complete line has been read from the file, including
+continuations, @i{Amd} determines whether there is a comment on the
+line.  A comment begins with a hash (``@samp{#}'') character and
+continues to the end of the line.  There is no way to escape or change
+the comment lead-in character.
+
+Note that continuation lines and comment support @dfn{only} apply to
+file maps, or ndbm maps built with the @code{mk-amd-map} program.
+
+When caching is enabled, file maps have a default cache mode of
+@code{all} (@pxref{Automount Filesystem}).
+
+@node     ndbm maps, NIS maps, File maps, Map Types
+@comment  node-name,  next,  previous,  up
+@subsection ndbm maps
+@cindex ndbm maps
+
+An ndbm map may be used as a fast access form of a file map.  The program,
+@code{mk-amd-map}, converts a normal map file into an ndbm database.
+This program supports the same continuation and comment conventions that
+are provided for file maps.  Note that ndbm format files may @emph{not}
+be sharable across machine architectures.  The notion of speed generally
+only applies to large maps; a small map, less than a single disk block,
+is almost certainly better implemented as a file map.
+
+ndbm maps do not support cache mode @samp{all} and, when caching is
+enabled, have a default cache mode of @samp{inc} (@pxref{Automount Filesystem}).
+
+@node     NIS maps, Hesiod maps, ndbm maps, Map Types
+@comment  node-name,  next,  previous,  up
+@subsection NIS maps
+@cindex NIS (YP) maps
+
+When using NIS (formerly YP), an @i{Amd} map is implemented directly
+by the underlying NIS map.  Comments and continuation lines are
+@emph{not} supported in the automounter and must be stripped when
+constructing the NIS server's database.
+
+NIS maps do not support cache mode @code{all} and, when caching is
+enabled, have a default cache mode of @code{inc} (@pxref{Automount Filesystem}).
+
+The following rule illustrates what could be added to your NIS @file{Makefile},
+in this case causing the @file{amd.home} map to be rebuilt:
+@example
+$(YPTSDIR)/amd.home.time: $(ETCDIR)/amd.home
+        -@@sed -e "s/#.*$$//" -e "/^$$/d" $(ETCDIR)/amd.home | \
+          awk '@{  \
+                 for (i = 1; i <= NF; i++) \
+                     if (i == NF) @{ \
+                         if (substr($$i, length($$i), 1) == "\\") \
+                             printf("%s", substr($$i, 1, length($$i) - 1)); \
+                         else \
+                             printf("%s\n", $$i); \
+                     @} \
+                     else \
+                         printf("%s ", $$i); \
+             @}' | \
+        $(MAKEDBM) - $(YPDBDIR)/amd.home; \
+        touch $(YPTSDIR)/amd.home.time; \
+        echo "updated amd.home"; \
+        if [ ! $(NOPUSH) ]; then \
+                $(YPPUSH) amd.home; \
+                echo "pushed amd.home"; \
+        else \
+                : ; \
+        fi
+@end example
+
+Here @code{$(YPTSDIR)} contains the time stamp files, and @code{$(YPDBDIR)} contains
+the dbm format NIS files.
+
+@node     Hesiod maps, Password maps, NIS maps, Map Types
+@comment  node-name,  next,  previous,  up
+@subsection Hesiod maps
+@cindex Hesiod maps
+
+When the map name begins with the string @samp{hesiod.} lookups are made
+using the @dfn{Hesiod} name server.  The string following the dot is
+used as a name qualifier and is prepended with the key being located.
+The entire string is then resolved in the @code{automount} context.  For
+example, if the the key is @samp{jsp} and map name is
+@samp{hesiod.homes} then @dfn{Hesiod} is asked to resolve
+@samp{jsp.homes.automount}.
+
+Hesiod maps do not support cache mode @samp{all} and, when caching is
+enabled, have a default cache mode of @samp{inc} (@pxref{Automount Filesystem}).
+
+The following is an example of a @dfn{Hesiod} map entry:
+
+@example
+jsp.homes.automount HS TXT "rfs:=/home/charm;rhost:=charm;sublink:=jsp"
+njw.homes.automount HS TXT "rfs:=/home/dylan/dk2;rhost:=dylan;sublink:=njw"
+@end example
+
+@node     Password maps, Union maps, Hesiod maps, Map Types
+@comment  node-name,  next,  previous,  up
+@subsection Password maps
+@cindex Password file maps
+@cindex /etc/passwd maps
+@cindex User maps, automatic generation
+@cindex Automatic generation of user maps
+@cindex Using the password file as a map
+
+The password map support is unlike the four previous map types.  When
+the map name is the string @file{/etc/passwd} @i{Amd} can lookup a user
+name in the password file and re-arrange the home directory field to
+produce a usable map entry.
+
+@i{Amd} assumes the home directory has the format
+`@t{/}@i{anydir}@t{/}@i{dom1}@t{/../}@i{domN}@t{/}@i{login}'.
+@c @footnote{This interpretation is not necessarily exactly what you want.}
+It breaks this string into a map entry where @code{$@{rfs@}} has the
+value `@t{/}@i{anydir}@t{/}@i{domN}', @code{$@{rhost@}} has the value
+`@i{domN}@t{.}@i{...}@t{.}@i{dom1}', and @code{$@{sublink@}} has the
+value @samp{login}.@refill
+
+Thus if the password file entry was
+
+@example
+/home/achilles/jsp
+@end example
+
+the map entry used by @i{Amd} would be
+
+@example
+rfs:=/home/achilles;rhost:=achilles;sublink:=jsp
+@end example
+
+Similarly, if the password file entry was
+
+@example
+/home/cc/sugar/mjh
+@end example
+
+the map entry used by @i{Amd} would be 
+
+@example
+rfs:=/home/sugar;rhost:=sugar.cc;sublink:=jsp
+@end example
+
+@node     Union maps, , Password maps, Map Types
+@comment  node-name,  next,  previous,  up
+@subsection Union maps
+@cindex Union file maps
+
+The union map support is provided specifically for use with the union
+filesystem, @pxref{Union Filesystem}.
+
+It is identified by the string @samp{union:} which is followed by a
+colon separated list of directories.  The directories are read in order,
+and the names of all entries are recorded in the map cache.  Later
+directories take precedence over earlier ones.  The union filesystem
+type then uses the map cache to determine the union of the names in all
+the directories.
+
+@c subsection Gdbm
+
+@node     Key Lookup, Location Format, Map Types, Mount Maps
+@comment  node-name,  next,  previous,  up
+@section How keys are looked up
+@cindex Key lookup
+@cindex Map lookup
+@cindex Looking up keys
+@cindex How keys are looked up
+@cindex Wildcards in maps
+
+The key is located in the map whose type was determined when the
+automount point was first created.  In general the key is a pathname
+component.  In some circumstances this may be modified by variable
+expansion (@pxref{Variable Expansion}) and prefixing.  If the automount
+point has a prefix, specified by the @var{pref} option, then that is
+prepended to the search key before the map is searched.
+
+If the map cache is a @samp{regexp} cache then the key is treated as an
+egrep-style regular expression, otherwise a normal string comparison is
+made.
+
+If the key cannot be found then a @dfn{wildcard} match is attempted.
+@i{Amd} repeatedly strips the basename from the key, appends @samp{/*} and
+attempts a lookup.  Finally, @i{Amd} attempts to locate the special key @samp{*}.
+
+@group
+For example, the following sequence would be checked if @file{home/dylan/dk2} was
+being located:
+
+@example
+   home/dylan/dk2
+   home/dylan/*
+   home/*
+   *
+@end example
+@end group
+
+At any point when a wildcard is found, @i{Amd} proceeds as if an exact
+match had been found and the value field is then used to resolve the
+mount request, otherwise an error code is propagated back to the kernel.
+(@pxref{Filesystem Types}).@refill
+
+@node     Location Format, , Key Lookup, Mount Maps
+@comment  node-name,  next,  previous,  up
+@section Location Format
+@cindex Location format
+@cindex Map entry format
+@cindex How locations are parsed
+
+The value field from the lookup provides the information required to
+mount a filesystem.  The information is parsed according to the syntax
+shown below.
+
+@display
+@i{location-list}:
+                  @i{location-selection}
+                  @i{location-list} @i{white-space} @t{||} @i{white-space} @i{location-selection}
+@i{location-selection}:
+                  @i{location}
+                  @i{location-selection} @i{white-space} @i{location}
+@i{location}:
+                  @i{location-info}
+                  @t{-}@i{location-info}
+                  @t{-}
+@i{location-info}:
+                  @i{sel-or-opt}
+                  @i{location-info}@t{;}@i{sel-or-opt}
+                  @t{;}
+@i{sel-or-opt}:
+                  @i{selection}
+                  @i{opt-ass}
+@i{selection}:
+                  selector@t{==}@i{value}
+                  selector@t{!=}@i{value}
+@i{opt-ass}:
+                  option@t{:=}@i{value}
+@i{white-space}:
+                  space
+                  tab
+@end display
+
+Note that unquoted whitespace is not allowed in a location description.
+White space is only allowed, and is mandatory, where shown with non-terminal
+@samp{white-space}.
+
+A @dfn{location-selection} is a list of possible volumes with which to
+satisfy the request.  @dfn{location-selection}s are separated by the
+@samp{||} operator.  The effect of this operator is to prevent use of
+location-selections to its right if any of the location-selections on
+its left were selected whether or not any of them were successfully
+mounted (@pxref{Selectors}).@refill
+
+The location-selection, and singleton @dfn{location-list},
+@samp{type:=ufs;dev:=/dev/xd1g} would inform @i{Amd} to mount a UFS
+filesystem from the block special device @file{/dev/xd1g}.
+
+The @dfn{sel-or-opt} component is either the name of an option required
+by a specific filesystem, or it is the name of a built-in, predefined
+selector such as the architecture type.  The value may be quoted with
+double quotes @samp{"}, for example
+@samp{type:="ufs";dev:="/dev/xd1g"}.  These quotes are stripped when the
+value is parsed and there is no way to get a double quote into a value
+field.  Double quotes are used to get white space into a value field,
+which is needed for the program filesystem (@pxref{Program Filesystem}).@refill
+
+@menu
+* Map Defaults::
+* Variable Expansion::
+* Selectors::
+* Map Options::
+@end menu
+
+@node     Map Defaults, Variable Expansion, Location Format, Location Format
+@comment  node-name,  next,  previous,  up
+@subsection Map Defaults
+@cindex Map defaults
+@cindex How to set default map parameters
+@cindex Setting default map parameters
+
+A location beginning with a dash @samp{-} is used to specify default
+values for subsequent locations.  Any previously specified defaults in
+the location-list are discarded.  The default string can be empty in
+which case no defaults apply.
+
+The location @samp{-fs:=/mnt;opts:=ro} would set the local mount point
+to @file{/mnt} and cause mounts to be read-only by default.  Defaults
+specified this way are appended to, and so override, any global map
+defaults given with @samp{/defaults}).
+@c
+@c A @samp{/defaults} value @dfn{gdef} and a location list
+@c \begin{quote}
+@c $@samp{-}@dfn{def}_a $\verb*+ +$ @dfn{loc}_{a_1} $\verb*+ +$ @dfn{loc}_{a_2} $\verb*+ +$ @samp{-}@dfn{def}_b $\verb*+ +$ @dfn{loc}_{b_1} \ldots$
+@c \end{quote}
+@c is equivalent to
+@c \begin{quote}
+@c $@samp{-}@dfn{gdef}@samp{;}@dfn{def}_a $\verb*+ +$ @dfn{loc}_{a_1} $\verb*+ +$ @dfn{loc}_{a_2} $\verb*+ +$ @samp{-}@dfn{gdef}@samp{;}@dfn{def}_b $\verb*+ +$ @dfn{loc}_{b_1} \ldots$
+@c \end{quote}
+@c which is equivalent to
+@c \begin{quote}
+@c $@dfn{gdef}@samp{;}@dfn{def}_a@samp{;}@dfn{loc}_{a_1} $\verb*+ +$@dfn{gdef}@samp{;}@dfn{def}_a@samp{;}@dfn{loc}_{a_2} $\verb*+ +$@dfn{gdef}@samp{;}@dfn{def}_b@samp{;}@dfn{loc}_{b_1} \ldots$
+@c \end{quote}
+
+@node     Variable Expansion, Selectors, Map Defaults, Location Format
+@comment  node-name,  next,  previous,  up
+@subsection Variable Expansion
+@cindex Variable expansion
+@cindex How variables are expanded
+@cindex Pathname operators
+@cindex Domain stripping
+@cindex Domainname operators
+@cindex Stripping the local domain name
+@cindex Environment variables
+@cindex How to access environment variables in maps
+
+To allow generic location specifications @i{Amd} does variable expansion
+on each location and also on some of the option strings.  Any option or
+selector appearing in the form @code{$@dfn{var}} is replaced by the
+current value of that option or selector.  For example, if the value of
+@code{$@{key@}} was @samp{bin}, @code{$@{autodir@}} was @samp{/a} and
+@code{$@{fs@}} was `@t{$@{autodir@}}@t{/local/}@t{$@{key@}}' then
+after expansion @code{$@{fs@}} would have the value @samp{/a/local/bin}.
+Any environment variable can be accessed in a similar way.@refill
+
+Two pathname operators are available when expanding a variable.  If the
+variable name begins with @samp{/} then only the last component of
+then pathname is substituted.  For example, if @code{$@{path@}} was
+@samp{/foo/bar} then @code{$@{/path@}} would be expanded to @samp{bar}.
+Similarly, if the variable name ends with @samp{/} then all but the
+last component of the pathname is substituted.  In the previous example,
+@code{$@{path/@}} would be expanded to @samp{/foo}.@refill
+
+Two domain name operators are also provided.  If the variable name
+begins with @samp{.} then only the domain part of the name is
+substituted.  For example, if @code{$@{rhost@}} was
+@samp{swan.doc.ic.ac.uk} then @code{$@{.rhost@}} would be expanded to
+@samp{doc.ic.ac.uk}.  Similarly, if the variable name ends with @samp{.}
+then only the host component is substituted.  In the previous example,
+@code{$@{rhost.@}} would be expanded to @samp{swan}.@refill
+
+Variable expansion is a two phase process.  Before a location is parsed,
+all references to selectors, @i{eg} @code{$@{path@}}, are expanded.  The
+location is then parsed, selections are evaluated and option assignments
+recorded.  If there were no selections or they all succeeded the
+location is used and the values of the following options are expanded in
+the order given: @var{sublink}, @var{rfs}, @var{fs}, @var{opts},
+@var{remopts}, @var{mount} and @var{unmount}.
+
+Note that expansion of option values is done after @dfn{all} assignments
+have been completed and not in a purely left to right order as is done
+by the shell.  This generally has the desired effect but care must be
+taken if one of the options references another, in which case the
+ordering can become significant.
+
+There are two special cases concerning variable expansion:
+
+@enumerate
+@item
+before a map is consulted, any selectors in the name received
+from the kernel are expanded.  For example, if the request from the
+kernel was for `@t{$@{arch@}}@t{.bin}' and the machine architecture
+was @samp{vax}, the value given to @code{$@{key@}} would be
+@samp{vax.bin}.@refill
+
+@item
+the value of @code{$@{rhost@}} is expanded and normalized before the
+other options are expanded.  The normalization process strips any local
+sub-domain components.  For example, if @code{$@{domain@}} was
+@samp{Berkeley.EDU} and @code{$@{rhost@}} was initially
+@samp{snow.Berkeley.EDU}, after the normalization it would simply be
+@samp{snow}.  Hostname normalization is currently done in a
+@emph{case-dependent} manner.@refill
+@end enumerate
+
+@node     Selectors, Map Options, Variable Expansion, Location Format
+@comment  node-name,  next,  previous,  up
+@subsection Selectors
+@cindex Selectors
+
+Selectors are used to control the use of a location.  It is possible to
+share a mount map between many machines in such a way that filesystem
+location, architecture and operating system differences are hidden from
+the users.  A selector of the form @samp{arch==sun3;os==sos4} would only
+apply on Sun-3s running SunOS 4.x.
+
+Selectors are evaluated left to right.  If a selector fails then that
+location is ignored.  Thus the selectors form a conjunction and the
+locations form a disjunction.  If all the locations are ignored or
+otherwise fail then @i{Amd} uses the @dfn{error} filesystem
+(@pxref{Error Filesystem}).  This is equivalent to having a location
+@samp{type:=error} at the end of each mount-map entry.@refill
+
+The selectors currently implemented are:
+
+@table @samp
+@cindex arch, mount selector
+@cindex Mount selector; arch
+@cindex Selector; arch
+@item arch
+the machine architecture which was automatically determined at compile
+time.  The architecture type can be displayed by running the command
+@samp{amd -v}.  @xref{Supported Machine Architectures}.@refill
+
+@item autodir
+@cindex autodir, mount selector
+@cindex Mount selector; autodir
+@cindex Selector; autodir
+the default directory under which to mount filesystems.  This may be
+changed by the ``-a'' command line option.  See the @var{fs} option.
+
+@item byte
+@cindex byte, mount selector
+@cindex Mount selector; byte
+@cindex Selector; byte
+the machine's byte ordering.  This is either @samp{little}, indicating
+little-endian, or @samp{big}, indicating big-endian.  One possible use
+is to share @samp{rwho} databases (@pxref{rwho servers}).  Another is to
+share ndbm databases, however this use can be considered a courageous
+juggling act.
+
+@item cluster
+@cindex cluster, mount selector
+@cindex Mount selector; cluster
+@cindex Selector; cluster
+is provided as a hook for the name of the local cluster.  This can be
+used to decide which servers to use for copies of replicated
+filesystems.  @code{$@{cluster@}} defaults to the value of
+@code{$@{domain@}} unless a different value is set with the ``-C''
+command line option.
+
+@item domain
+@cindex domain, mount selector
+@cindex Mount selector; domain
+@cindex Selector; domain
+the local domain name as specified by the ``-d'' command line option.
+See @samp{host}.
+
+@item host
+@cindex host, mount selector
+@cindex Mount selector; host
+@cindex Selector; host
+the local hostname as determined by @b{gethostname}(2).  If no domain
+name was specified on the command line and the hostname contains a
+period @samp{.} then the string before the period is used as the
+host name, and the string after the period is assigned to
+@code{$@{domain@}}.  For example, if the hostname is
+@samp{styx.doc.ic.ac.uk} then @code{host} would be @samp{styx} and
+@code{domain} would be @samp{doc.ic.ac.uk}.  @code{hostd} would be
+@samp{styx.doc.ic.ac.uk}.@refill
+
+@item hostd
+@cindex hostd, mount selector
+@cindex Mount selector; hostd
+@cindex Selector; hostd
+is @code{$@{host@}} and @code{$@{domain@}} concatenated with a
+@samp{.} inserted between them if required.  If @code{$@{domain@}}
+is an empty string then @code{$@{host@}} and @code{$@{hostd@}} will be
+identical.
+
+@item karch
+@cindex karch, mount selector
+@cindex Mount selector; karch
+@cindex Selector; karch
+is provided as a hook for the kernel architecture.  This is used on
+SunOS 4, for example, to distinguish between different @samp{/usr/kvm}
+volumes.  @code{$@{karch@}} defaults to the value of @code{$@{arch@}}
+unless a different value is set with the ``-k'' command line option.
+
+@item os
+@cindex os, mount selector
+@cindex Mount selector; os
+@cindex Selector; os
+the operating system.  Like the machine architecture, this is
+automatically determined at compile time.  The operating system name can
+be displayed by running the command @samp{amd -v}.  @xref{Supported
+Operating Systems}.@refill
+
+@end table
+
+The following selectors are also provided.  Unlike the other selectors,
+they vary for each lookup.  Note that when the name from the kernel is
+expanded prior to a map lookup, these selectors are all defined as empty
+strings.
+
+@table @samp
+@item key
+@cindex key, mount selector
+@cindex Mount selector; key
+@cindex Selector; key
+the name being resolved.  For example, if @file{/home} is an automount
+point, then accessing @file{/home/foo} would set @code{$@{key@}} to the
+string @samp{foo}.  The key is prefixed by the @var{pref} option set in
+the parent mount point.  The default prefix is an empty string.  If the
+prefix was @file{blah/} then @code{$@{key@}} would be set to
+@file{blah/foo}.@refill
+
+@item map
+@cindex map, mount selector
+@cindex Mount selector; map
+@cindex Selector; map
+the name of the mount map being used.
+
+@item path
+@cindex path, mount selector
+@cindex Mount selector; path
+@cindex Selector; path
+the full pathname of the name being resolved.  For example
+@file{/home/foo} in the example above.
+
+@item wire
+@cindex wire, mount selector
+@cindex Mount selector; wire
+@cindex Selector; wire
+the name of the network to which the primary network interface is
+attached.  If a symbolic name cannot be found in the networks or hosts
+database then dotted IP address format is used.  This value is also
+output by the ``-v'' option.
+
+@end table
+
+Selectors can be negated by using @samp{!=} instead of @samp{==}.  For
+example to select a location on all non-Vax machines the selector
+@samp{arch!=vax} would be used.
+
+@node     Map Options,  , Selectors, Location Format
+@comment  node-name,  next,  previous,  up
+@subsection Map Options
+@cindex Map options
+@cindex Setting map options
+
+Options are parsed concurrently with selectors.  The difference is that
+when an option is seen the string following the @samp{:=} is
+recorded for later use.  As a minimum the @var{type} option must be
+specified.  Each filesystem type has other options which must also be
+specified.  @xref{Filesystem Types}, for details on the filesystem
+specific options.@refill
+
+Superfluous option specifications are ignored and are not reported
+as errors.
+
+The following options apply to more than one filesystem type.
+
+@menu
+* delay Option::
+* fs Option::
+* opts Option::
+* remopts Option::
+* sublink Option::
+* type Option::
+@end menu
+
+@node     delay Option, fs Option, Map Options, Map Options
+@comment  node-name,  next,  previous,  up
+@subsubsection delay Option
+@cindex Setting a delay on a mount location
+@cindex Delaying mounts from specific locations
+@cindex Primary server
+@cindex Secondary server
+@cindex delay, mount option
+@cindex Mount option; delay
+
+The delay, in seconds, before an attempt will be made to mount from the current location.
+Auxilliary data, such as network address, file handles and so on are computed
+regardless of this value.
+
+A delay can be used to implement the notion of primary and secondary file servers.
+The secondary servers would have a delay of a few seconds,
+thus giving the primary servers a chance to respond first.
+
+@node     fs Option, opts Option, delay Option, Map Options
+@comment  node-name,  next,  previous,  up
+@subsubsection fs Option
+@cindex Setting the local mount point
+@cindex Overriding the default mount point
+@cindex fs, mount option
+@cindex Mount option; fs
+
+The local mount point.  The semantics of this option vary between
+filesystems.
+
+For NFS and UFS filesystems the value of @code{$@{fs@}} is used as the
+local mount point.  For other filesystem types it has other meanings
+which are described in the section describing the respective filesystem
+type.  It is important that this string uniquely identifies the
+filesystem being mounted.  To satisfy this requirement, it should
+contain the name of the host on which the filesystem is resident and the
+pathname of the filesystem on the local or remote host.
+
+The reason for requiring the hostname is clear if replicated filesystems
+are considered.  If a fileserver goes down and a replacement filesystem
+is mounted then the @dfn{local} mount point @dfn{must} be different from
+that of the filesystem which is hung.  Some encoding of the filesystem
+name is required if more than one filesystem is to be mounted from any
+given host.
+
+If the hostname is first in the path then all mounts from a particular
+host will be gathered below a single directory.  If that server goes
+down then the hung mount points are less likely to be accidentally
+referenced, for example when @b{getwd}(3) traverses the namespace to
+find the pathname of the current directory.
+
+The @samp{fs} option defaults to
+@code{$@{autodir@}/$@{rhost@}$@{rfs@}}.  In addition,
+@samp{rhost} defaults to the local host name (@code{$@{host@}}) and
+@samp{rfs} defaults to the value of @code{$@{path@}}, which is the full
+path of the requested file; @samp{/home/foo} in the example above
+(@pxref{Selectors}).  @code{$@{autodir@}} defaults to @samp{/a} but may
+be changed with the ``-a'' command line option.  Sun's automounter
+defaults to @samp{/tmp_mnt}.  Note that there is no @samp{/} between
+the @code{$@{rhost@}} and @code{$@{rfs@}} since @code{$@{rfs@}} begins
+with a @samp{/}.@refill
+
+@node     opts Option, remopts Option, fs Option, Map Options
+@comment  node-name,  next,  previous,  up
+@subsubsection opts Option
+@cindex Setting system mount options
+@cindex Passing parameters to the mount system call
+@cindex mount system call
+@cindex mount system call flags
+@cindex The mount system call
+@cindex opts, mount option
+@cindex Mount option; opts
+
+The options to pass to the mount system call.  A leading @samp{-} is
+silently ignored.  The mount options supported generally correspond to
+those used by @b{mount}(8) and are listed below.  Some additional
+pseudo-options are interpreted by @i{Amd} and are also listed.
+
+Unless specifically overridden, each of the system default mount options
+applies.  Any options not recognised are ignored.  If no options list is
+supplied the string @samp{rw,defaults} is used and all the system
+default mount options apply.  Options which are not applicable for a
+particular operating system are silently ignored.  For example, only 4.4
+BSD is known to implement the @code{compress} and @code{spongy} options.
+
+@table @code
+@item compress
+Use NFS compression protocol.
+@item grpid
+Use BSD directory group-id semantics.
+@item intr
+Allow keyboard interrupts on hard mounts.
+@item noconn
+Don't make a connection on datagram transports.
+@item nocto
+No close-to-open consistency.
+@item nodevs
+Don't allow local special devices on this filesystem.
+@item nosuid
+Don't allow set-uid or set-gid executables on this filesystem.
+@item quota
+Enable quota checking on this mount.
+@item retrans=@i{n}
+The number of NFS retransmits made before a user error is generated by a
+@samp{soft} mounted filesystem, and before a @samp{hard} mounted
+filesystem reports @samp{NFS server @dfn{yoyo} not responding still
+trying}.
+@item ro
+Mount this filesystem readonly.
+@item rsize=@var{n}
+The NFS read packet size.  You may need to set this if you are using
+NFS/UDP through a gateway.
+@item soft
+Give up after @dfn{retrans} retransmissions.
+@item spongy
+Like @samp{soft} for status requests, and @samp{hard} for data transfers.
+@item tcp
+Use TCP/IP instead of UDP/IP, ignored if the NFS implementation does not
+support TCP/IP mounts.
+@item timeo=@var{n}
+The NFS timeout, in tenth-seconds, before a request is retransmitted.
+@item wsize=@var{n}
+The NFS write packet size.  You may need to set this if you are using
+NFS/UDP through a gateway.
+@end table
+
+The following options are implemented by @i{Amd}, rather than being
+passed to the kernel.
+
+@table @code
+@item nounmount
+Configures the mount so that its time-to-live will
+never expire.  This is also the default for some filesystem types.
+@c
+@c Implementation broken:
+@item ping=@var{n}
+The interval, in seconds, between keep-alive pings.  When four
+consecutive pings have failed the mount point is marked as hung.  This
+interval defaults to 30 seconds.  If the ping interval is less than zero,
+no pings are sent and the host is assumed to be always
+up.  By default, pings are not sent for an NFS/TCP mount.
+@item retry=@var{n}
+The number of times to retry the mount system call.
+@item utimeout=@var{n}
+The interval, in seconds, by which the mount's
+time-to-live is extended after an unmount attempt
+has failed.  In fact the interval is extended before the unmount is
+attempted to avoid thrashing.  The default value is 120 seconds (two
+minutes) or as set by the ``-w'' command line option.
+@end table
+
+@node     remopts Option, sublink Option, opts Option, Map Options
+@comment  node-name,  next,  previous,  up
+@subsubsection remopts Option
+@cindex Setting system mount options for non-local networks
+@cindex remopts, mount option
+@cindex Mount option; remopts
+
+This option has the same use as @code{$@{opts@}} but applies only when
+the remote host is on a non-local network.  For example, when using NFS
+across a gateway it is often necessary to use smaller values for the
+data read and write sizes.  This can simply be done by specifying the
+small values in @var{remopts}.  When a non-local host is accessed, the
+smaller sizes will automatically be used.
+
+@i{Amd} determines whether a host is local by examining the network
+interface configuration at startup.  Any interface changes made after
+@i{Amd} has been started will not be noticed.  The likely effect will
+be that a host may incorrectly be declared non-local.
+
+Unless otherwise set, the value of @code{$@{rem@}} is the same as the
+value of @code{$@{opts@}}.
+
+@node     sublink Option, type Option, remopts Option, Map Options
+@comment  node-name,  next,  previous,  up
+@subsubsection sublink Option
+@cindex Setting the sublink option
+@cindex sublink, mount option
+@cindex Mount option; sublink
+
+The subdirectory within the mounted filesystem to which the reference
+should point.  This can be used to prevent duplicate mounts in cases
+where multiple directories in the same mounted filesystem are used.
+
+@node     type Option, , sublink Option, Map Options
+@comment  node-name,  next,  previous,  up
+@subsubsection type Option
+@cindex Setting the filesystem type option
+@cindex type, mount option
+@cindex Mount option; type
+
+The filesystem type to be used.  @xref{Filesystem Types}, for a full
+description of each type.@refill
+
+@node     Amd Command Line Options, Filesystem Types, Mount Maps, Top
+@comment  node-name,  next,  previous,  up
+@chapter @i{Amd} Command Line Options
+@cindex Command line options, Amd
+@cindex Amd command line options
+@cindex Overriding defaults on the command line
+
+Many of @i{Amd}'s parameters can be set from the command line.  The
+command line is also used to specify automount points and maps.
+
+The general format of a command line is
+
+@example
+amd [@i{options}] @{ @i{directory} @i{map-name} [-@i{map-options}] @} ...
+@end example
+
+For each directory and map-name given, @i{Amd} establishes an
+automount point.  The @dfn{map-options} may be any sequence of options
+or selectors---@pxref{Location Format}.  The @dfn{map-options}
+apply only to @i{Amd}'s mount point.
+
+@samp{type:=toplvl;cache:=mapdefault;fs:=$@{map@}} is the default value for the
+map options.  Default options for a map are read from a special entry in
+the map whose key is the string @samp{/defaults}.  When default options
+are given they are prepended to any options specified in the mount-map
+locations as explained in.  @xref{Map Defaults}, for more details.
+
+The @dfn{options} are any combination of those listed below.
+
+Once the command line has been parsed, the automount points are mounted.
+The mount points are created if they do not already exist, in which case they
+will be removed when @i{Amd} exits.
+Finally, @i{Amd} disassociates itself from its controlling terminal and
+forks into the background.
+
+Note: Even if @i{Amd} has been built with @samp{-DDEBUG} it will still
+background itself and disassociate itself from the controlling terminal.
+To use a debugger it is necessary to specify @samp{-D nodaemon} on the
+command line.
+
+@menu
+* -a Option::	Automount directory.
+* -c Option::	Cache timeout interval.
+* -d Option::	Domain name.
+* -k Option::	Kernel architecture.
+* -l Option::	Log file.
+* -n Option::	Hostname normalisation.
+* -p Option::	Output process id.
+* -r Option::	Restart existing mounts.
+* -t Option::	Kernel RPC timeout.
+* -v Option::	Version information.
+* -w Option::	Wait interval after failed unmount.
+* -x Option::	Log options.
+* -y Option::	NIS domain.
+* -C-Option::	Cluster name.
+* -D-Option::	Debug flags.
+@end menu
+
+@node     -a Option, -c Option, Amd Command Line Options, Amd Command Line Options
+@comment  node-name,  next,  previous,  up
+@section @code{-a} @var{directory}
+@cindex Automount directory
+@cindex Setting the default mount directory
+
+Specifies the default mount directory.  This option changes the variable
+@code{$@{autodir@}} which otherwise defaults to @file{/a}.  For example,
+some sites prefer @file{/amd}.
+
+@example
+amd -a /amd ...
+@end example
+
+@node     -c Option, -d Option, -a Option, Amd Command Line Options
+@comment  node-name,  next,  previous,  up
+@section @code{-c} @var{cache-interval}
+@cindex Cache interval
+@cindex Interval before a filesystem times out
+@cindex Setting the interval before a filesystem times out
+@cindex Changing the interval before a filesystem times out
+
+Selects the period, in seconds, for which a name is cached by @i{Amd}.
+If no reference is made to the volume in this period, @i{Amd} discards
+the volume name to filesystem mapping.
+
+Once the last reference to a filesystem has been removed, @i{Amd}
+attempts to unmount the filesystem.  If the unmount fails the interval
+is extended by a further period as specified by the @samp{-w} command
+line option or by the @samp{utimeout} mount option.
+
+The default @dfn{cache-interval} is 300 seconds (five minutes).
+
+@node     -d Option, -k Option, -c Option, Amd Command Line Options
+@comment  node-name,  next,  previous,  up
+@section @code{-d} @var{domain}
+@cindex Domain name
+@cindex Setting the local domain name
+@cindex Overriding the local domain name
+
+Specifies the host's domain.  This sets the internal variable
+@code{$@{domain@}} and affects the @code{$@{hostd@}} variable.
+
+If this option is not specified and the hostname already contains the
+local domain then that is used, otherwise the default value of
+@code{$@{domain@}} is @samp{unknown.domain}.
+
+For example, if the local domain was @samp{doc.ic.ac.uk}, @i{Amd} could
+be started as follows:
+
+@example
+amd -d doc.ic.ac.uk ...
+@end example
+
+@node     -k Option, -l Option, -d Option, Amd Command Line Options
+@comment  node-name,  next,  previous,  up
+@section @code{-k} @var{kernel-architecture}
+@cindex Setting the Kernel architecture
+
+Specifies the kernel architecture of the system.  This is usually the
+output of @samp{arch -k} and its only effect is to set the variable
+@code{$@{karch@}}.  If this option is not given, @code{$@{karch@}} has
+the same value as @code{$@{arch@}}.
+
+This would be used as follows:
+
+@example
+amd -k `arch -k` ...
+@end example
+
+@node     -l Option, -n Option, -k Option, Amd Command Line Options
+@comment  node-name,  next,  previous,  up
+@section @code{-l} @var{log-option}
+@cindex Log filename
+@cindex Setting the log file
+@cindex Using syslog to log errors
+@cindex syslog
+
+Selects the form of logging to be made.  Two special @dfn{log-options}
+are recognised.
+
+@enumerate
+@item
+If @dfn{log-option} is the string @samp{syslog}, @i{Amd} will use the
+@b{syslog}(3) mechanism.@refill
+
+@item
+If @dfn{log-option} is the string @samp{/dev/stderr}, @i{Amd} will use
+standard error, which is also the default target for log messages.  To
+implement this, @i{Amd} simulates the effect of the @samp{/dev/fd}
+driver.
+@end enumerate
+
+Any other string is taken as a filename to use for logging.  Log
+messages are appended to the file if it already exists, otherwise a new
+file is created.  The file is opened once and then held open, rather
+than being re-opened for each message.
+
+If the @samp{syslog} option is specified but the system does not support
+syslog or if the named file cannot be opened or created, @i{Amd} will
+use standard error.  Error messages generated before @i{Amd} has
+finished parsing the command line are printed on standard error.
+
+Using @samp{syslog} is usually best, in which case @i{Amd} would be
+started as follows:
+
+@example
+amd -l syslog ...
+@end example
+
+@node     -n Option, -p Option, -l Option, Amd Command Line Options
+@comment  node-name,  next,  previous,  up
+@section @code{-n}
+@cindex Hostname normalisation
+@cindex Aliased hostnames
+@cindex Resolving aliased hostnames
+@cindex Normalising hostnames
+
+Normalises the remote hostname before using it.  Normalisation is done
+by replacing the value of @code{$@{rhost@}} with the primary name
+returned by a hostname lookup.
+
+This option should be used if several names are used to refer to a
+single host in a mount map.
+
+@node     -p Option, -r Option, -n Option, Amd Command Line Options
+@comment  node-name,  next,  previous,  up
+@section @code{-p}
+@cindex Process id
+@cindex Displaying the process id
+@cindex process id of Amd daemon
+@cindex pid file, creating with -p option
+@cindex Creating a pid file
+
+Causes @i{Amd}'s process id to be printed on standard output.
+This can be redirected to a suitable file for use with kill:
+
+@example
+amd -p > /var/run/amd.pid ...
+@end example
+
+This option only has an affect if @i{Amd} is running in daemon mode.
+If @i{Amd} is started with the @code{-D nodaemon} debug flag, this
+option is ignored.
+
+@node     -r Option, -t Option, -p Option, Amd Command Line Options
+@comment  node-name,  next,  previous,  up
+@section @code{-r}
+@cindex Restarting existing mounts
+@cindex Picking up existing mounts
+
+Tells @i{Amd} to restart existing mounts (@pxref{Inheritance Filesystem}).
+@c @dfn{This option will be made the default in the next release.}
+
+@node     -t Option, -v Option, -r Option, Amd Command Line Options
+@comment  node-name,  next,  previous,  up
+@section @code{-t} @var{timeout.retransmit}
+@cindex Setting Amd's RPC parameters
+
+Specifies the RPC @dfn{timeout} and @dfn{retransmit} intervals used by
+the kernel to communicate to @i{Amd}.  These are used to set the
+@samp{timeo} and @samp{retrans} mount options.
+
+@i{Amd} relies on the kernel RPC retransmit mechanism to trigger mount
+retries.  The value of this parameter changes the retry interval.  Too
+long an interval gives poor interactive response, too short an interval
+causes excessive retries.
+
+@node     -v Option, -w Option, -t Option, Amd Command Line Options
+@comment  node-name,  next,  previous,  up
+@section @code{-v}
+@cindex Version information
+@cindex Discovering version information
+@cindex How to discover your version of Amd
+
+Print version information on standard error and then exit.  The output
+is of the form:
+
+@example
+amd 5.2.1.11 of 91/03/17 18:04:05 5.3Alpha11 #0: Sun Mar 17 18:07:28 GMT 1991
+Built by pendry@@vangogh.Berkeley.EDU for a hp300 running bsd44 (big-endian).
+Map support for: root, passwd, union, file, error.
+FS: ufs, nfs, nfsx, host, link, program, union, auto, direct, toplvl, error.
+Primary network is 128.32.130.0.
+@end example
+
+The information includes the version number, release date and name of
+the release.  The architecture (@pxref{Supported Machine Architectures}),
+operating system (@pxref{Supported Operating Systems})
+and byte ordering are also printed as they appear in the @code{$@{os@}},
+@code{$@{arch@}} and @code{$@{byte@}} variables.@refill
+
+@node     -w Option, -x Option, -v Option, Amd Command Line Options
+@comment  node-name,  next,  previous,  up
+@section @code{-w} @var{wait-timeout}
+@cindex Setting the interval between unmount attempts
+@cindex unmount attempt backoff interval
+
+Selects the interval in seconds between unmount attempts after the
+initial time-to-live has expired.
+
+This defaults to 120 seconds (two minutes).
+
+@node     -x Option, -y Option, -w Option, Amd Command Line Options
+@comment  node-name,  next,  previous,  up
+@section @code{-x} @var{opts}
+@cindex Log message selection
+@cindex Selecting specific log messages
+@cindex How to select log messages
+@cindex syslog priorities
+
+Specifies the type and verbosity of log messages.  @dfn{opts} is
+a comma separated list selected from the following options:
+
+@table @code
+@item fatal
+Fatal errors
+@item error
+Non-fatal errors
+@item user
+Non-fatal user errors
+@item warn
+Recoverable errors
+@item warning
+Alias for @code{warn}
+@item info
+Information messages
+@item map
+Mount map usage
+@item stats
+Additional statistics
+@item all
+All of the above
+@end table
+
+Initially a set of default logging flags is enabled.  This is as if
+@samp{-x all,nomap,nostats} had been selected.  The command line is
+parsed and logging is controlled by the ``-x'' option.  The very first
+set of logging flags is saved and can not be subsequently disabled using
+@i{Amq}.  This default set of options is useful for general production
+use.@refill
+
+The @samp{info} messages include details of what is mounted and
+unmounted and when filesystems have timed out.  If you want to have the
+default set of messages without the @samp{info} messages then you simply
+need @samp{-x noinfo}.  The messages given by @samp{user} relate to
+errors in the mount maps, so these are useful when new maps are
+installed.  The following table lists the syslog priorites used for each
+of the message types.@refill
+
+@table @code
+@item fatal
+LOG_CRIT
+@item error
+LOG_ERR
+@item user
+LOG_WARNING
+@item warning
+LOG_WARNING
+@item info
+LOG_INFO
+@item debug
+LOG_DEBUG
+@item map
+LOG_DEBUG
+@item stats
+LOG_INFO
+@end table
+
+
+The options can be prefixed by the string @samp{no} to indicate
+that this option should be turned off.  For example, to obtain all
+but @samp{info} messages the option @samp{-x all,noinfo} would be used.
+
+If @i{Amd} was built with debugging enabled the @code{debug} option is
+automatically enabled regardless of the command line options.
+
+@node     -y Option, -C-Option, -x Option, Amd Command Line Options
+@comment  node-name,  next,  previous,  up
+@section @code{-y} @var{NIS-domain}
+@cindex NIS (YP) domain name
+@cindex Overriding the NIS (YP) domain name
+@cindex Setting the NIS (YP) domain name
+@cindex YP domain name
+
+Selects an alternate NIS domain.  This is useful for debugging and
+cross-domain shared mounting.  If this flag is specified, @i{Amd}
+immediately attempts to bind to a server for this domain.
+@c @i{Amd} refers to NIS maps when it starts, unless the ``-m'' option
+@c is specified, and whenever required in a mount map.
+
+@node     -C-Option, -D-Option, -y Option, Amd Command Line Options
+@comment  node-name,  next,  previous,  up
+@section @code{-C} @var{cluster-name}
+@cindex Cluster names
+@cindex Setting the cluster name
+
+Specifies the name of the cluster of which the local machine is a member.
+The only effect is to set the variable @code{$@{cluster@}}.
+The @dfn{cluster-name} is will usually obtained by running another command which uses
+a database to map the local hostname into a cluster name.
+@code{$@{cluster@}} can then be used as a selector to restrict mounting of
+replicated data.
+If this option is not given, @code{$@{cluster@}} has the same value as @code{$@{domain@}}.
+This would be used as follows:
+
+@example
+amd -C `clustername` ...
+@end example
+
+@node     -D-Option, , -C-Option, Amd Command Line Options
+@comment  node-name,  next,  previous,  up
+@section @code{-D} @var{opts}
+@cindex Debug options
+@cindex Setting debug flags
+
+Controls the verbosity and coverage of the debugging trace; @dfn{opts}
+is a comma separated list of debugging options.  The ``-D'' option is
+only available if @i{Amd} was compiled with @samp{-DDEBUG}.  The memory
+debugging facilities are only available if @i{Amd} was compiled with
+@samp{-DDEBUG_MEM} (in addition to @samp{-DDEBUG}).
+
+The most common options to use are @samp{-D trace} and @samp{-D test}
+(which turns on all the useful debug options).  See the program source
+for a more detailed explanation of the available options.
+
+@node     Filesystem Types, Run-time Administration, Amd Command Line Options, Top
+@comment  node-name,  next,  previous,  up
+@chapter Filesystem Types
+@cindex Filesystem types
+@cindex Mount types
+@cindex Types of filesystem
+
+To mount a volume, @i{Amd} must be told the type of filesystem to be
+used.  Each filesystem type typically requires additional information
+such as the fileserver name for NFS.
+
+From the point of view of @i{Amd}, a @dfn{filesystem} is anything that
+can resolve an incoming name lookup.  An important feature is support
+for multiple filesystem types.  Some of these filesystems are
+implemented in the local kernel and some on remote fileservers, whilst
+the others are implemented internally by @i{Amd}.@refill
+
+The two common filesystem types are UFS and NFS.  Four other user
+accessible filesystems (@samp{link}, @samp{program}, @samp{auto} and
+@samp{direct}) are also implemented internally by @i{Amd} and these are
+described below.  There are two additional filesystem types internal to
+@i{Amd} which are not directly accessible to the user (@samp{inherit}
+and @samp{error}).  Their use is described since they may still have an
+effect visible to the user.@refill
+
+@menu
+* Network Filesystem::		A single NFS filesystem.
+* Network Host Filesystem::	NFS mount a host's entire export tree.
+* Network Filesystem Group::	An atomic group of NFS filesystems.
+* Unix Filesystem::		Native disk filesystem.
+* Program Filesystem::		Generic Program mounts.
+* Symbolic Link Filesystem::	Local link referencing existing filesystem.
+* Automount Filesystem::
+* Direct Automount Filesystem::
+* Union Filesystem::
+* Error Filesystem::
+* Top-level Filesystem::
+* Root Filesystem::
+* Inheritance Filesystem::
+@end menu
+
+@node     Network Filesystem, Network Host Filesystem, Filesystem Types, Filesystem Types
+@comment  node-name,  next,  previous,  up
+@section Network Filesystem (@samp{type:=nfs})
+@cindex NFS
+@cindex Mounting an NFS filesystem
+@cindex How to mount and NFS filesystem
+@cindex nfs, filesystem type
+@cindex Filesystem type; nfs
+
+The @dfn{nfs} filesystem type provides access to Sun's NFS.
+
+@noindent
+The following options must be specified:
+
+@table @code
+@cindex rhost, mount option
+@cindex Mount option; rhost
+@item rhost
+the remote fileserver.  This must be an entry in the hosts database.  IP
+addresses are not accepted.  The default value is taken
+from the local host name (@code{$@{host@}}) if no other value is
+specified.
+
+@cindex rfs, mount option
+@cindex Mount option; rfs
+@item rfs
+the remote filesystem.
+If no value is specified for this option, an internal default of
+@code{$@{path@}} is used.
+@end table
+
+NFS mounts require a two stage process.  First, the @dfn{file handle} of
+the remote file system must be obtained from the server.  Then a mount
+system call must be done on the local system.  @i{Amd} keeps a cache
+of file handles for remote file systems.  The cache entries have a
+lifetime of a few minutes.
+
+If a required file handle is not in the cache, @i{Amd} sends a request
+to the remote server to obtain it.  @i{Amd} @dfn{does not} wait for
+a response; it notes that one of the locations needs retrying, but
+continues with any remaining locations.  When the file handle becomes
+available, and assuming none of the other locations was successfully
+mounted, @i{Amd} will retry the mount.  This mechanism allows several
+NFS filesystems to be mounted in parallel.
+@c @footnote{The mechanism
+@c is general, however NFS is the only filesystem
+@c for which the required hooks have been written.}
+The first one which responds with a valid file handle will be used.
+
+@noindent
+An NFS entry might be:
+
+@example
+jsp  host!=charm;type:=nfs;rhost:=charm;rfs:=/home/charm;sublink:=jsp
+@end example
+
+The mount system call and any unmount attempts are always done
+in a new task to avoid the possibilty of blocking @i{Amd}.
+
+@node     Network Host Filesystem, Network Filesystem Group, Network Filesystem, Filesystem Types
+@comment  node-name,  next,  previous,  up
+@section Network Host Filesystem (@samp{type:=host})
+@cindex Network host filesystem
+@cindex Mounting entire export trees
+@cindex How to mount all NFS exported filesystems
+@cindex host, filesystem type
+@cindex Filesystem type; host
+
+@c NOTE: the current implementation of the @dfn{host} filesystem type
+@c sometimes fails to maintain a consistent view of the remote mount tree.
+@c This happens when the mount times out and only some of the remote mounts
+@c are successfully unmounted.  To prevent this from occuring, use the
+@c @samp{nounmount} mount option.
+
+The @dfn{host} filesystem allows access to the entire export tree of an
+NFS server.  The implementation is layered above the @samp{nfs}
+implementation so keep-alives work in the same way.  The only option
+which needs to specified is @samp{rhost} which is the name of the
+fileserver to mount.
+
+The @samp{host} filesystem type works by querying the mount daemon on
+the given fileserver to obtain its export list.  @i{Amd} then obtains
+filehandles for each of the exported filesystems.  Any errors at this
+stage cause that particular filesystem to be ignored.  Finally each
+filesystem is mounted.  Again, errors are logged but ignored.  One
+common reason for mounts to fail is that the mount point does not exist.
+Although @i{Amd} attempts to automatically create the mount point, it
+may be on a remote filesystem to which @i{Amd} does not have write
+permission.
+
+When an attempt to unmount a @samp{host} filesystem mount fails, @i{Amd}
+remounts any filesystems which had succesfully been unmounted.  To do
+this @i{Amd} queries the mount daemon again and obtains a fresh copy of
+the export list.  @i{Amd} then tries to mount any exported filesystems
+which are not currently mounted.
+
+Sun's automounter provides a special @samp{-hosts} map.  To achieve the
+same effect with @i{Amd} requires two steps.  First a mount map must
+be created as follows:
+
+@example
+/defaults  type:=host;fs:=$@{autodir@}/$@{rhost@}/root;rhost:=$@{key@}
+*          opts:=rw,nosuid,grpid
+@end example
+
+@noindent
+and then start @i{Amd} with the following command
+
+@example
+amd /n net.map
+@end example
+
+@noindent
+where @samp{net.map} is the name of map described above.  Note that the
+value of @code{$@{fs@}} is overridden in the map.  This is done to avoid
+a clash between the mount tree and any other filesystem already mounted
+from the same fileserver.
+
+If different mount options are needed for different hosts then
+additional entries can be added to the map, for example
+
+@example
+host2       opts:=ro,nosuid,soft
+@end example
+
+@noindent
+would soft mount @samp{host2} read-only.
+
+@node     Network Filesystem Group, Unix Filesystem, Network Host Filesystem, Filesystem Types
+@comment  node-name,  next,  previous,  up
+@section Network Filesystem Group (@samp{type:=nfsx})
+@cindex Network filesystem group
+@cindex Atomic NFS mounts
+@cindex Mounting an atomic group of NFS filesystems
+@cindex How to mount an atomic group of NFS filesystems
+@cindex nfsx, filesystem type
+@cindex Filesystem type; nfsx
+
+The @dfn{nfsx} filesystem allows a group of filesystems to be mounted
+from a single NFS server.  The implementation is layered above the
+@samp{nfs} implementation so keep-alives work in the same way.
+
+The options are the same as for the @samp{nfs} filesystem with one
+difference.
+
+@noindent
+The following options must be specified:
+
+@table @code
+@item rhost
+the remote fileserver.  This must be an entry in the hosts database.  IP
+addresses are not accepted.  The default value is taken from the local
+host name (@code{$@{host@}}) if no other value is specified.
+
+@item rfs
+as a list of filesystems to mount.  The list is in the form of a comma
+separated strings.
+@end table
+
+@noindent
+For example:
+
+@example
+pub      type:=nfsx;rhost:=gould;\
+		rfs:=/public,/,graphics,usenet;fs:=$@{autodir@}/$@{rhost@}/root
+@end example
+
+The first string defines the root of the tree, and is applied as a
+prefix to the remaining members of the list which define the individual
+filesystems.  The first string is @emph{not} used as a filesystem name.
+A parallel operation is used to determine the local mount points to
+ensure a consistent layout of a tree of mounts.
+
+Here, the @emph{three} filesystems, @samp{/public},
+@samp{/public/graphics} and @samp{/public/usenet}, would be mounted.@refill
+
+A local mount point, @code{$@{fs@}}, @emph{must} be specified.  The
+default local mount point will not work correctly in the general case.
+A suggestion is to use @samp{fs:=$@{autodir@}/$@{rhost@}/root}.@refill
+
+@node     Unix Filesystem, Program Filesystem, Network Filesystem Group, Filesystem Types
+@comment  node-name,  next,  previous,  up
+@section Unix Filesystem (@samp{type:=ufs})
+@cindex Unix filesystem
+@cindex UFS
+@cindex Mounting a UFS filesystem
+@cindex Mounting a local disk
+@cindex How to mount a UFS filesystems
+@cindex How to mount a local disk
+@cindex Disk filesystems
+@cindex ufs, filesystem type
+@cindex Filesystem type; ufs
+
+The @dfn{ufs} filesystem type provides access to the system's
+standard disk filesystem---usually a derivative of the Berkeley Fast Filesystem.
+
+@noindent
+The following option must be specified:
+
+@table @code
+@cindex dev, mount option
+@cindex Mount option; dev
+@item dev
+the block special device to be mounted.
+@end table
+
+A UFS entry might be:
+
+@example
+jsp   host==charm;type:=ufs;dev:=/dev/xd0g;sublink:=jsp
+@end example
+
+@node     Program Filesystem, Symbolic Link Filesystem, Unix Filesystem, Filesystem Types
+@comment  node-name,  next,  previous,  up
+@section Program Filesystem (@samp{type:=program})
+@cindex Program filesystem
+@cindex Mount a filesystem under program control
+@cindex program, filesystem type
+@cindex Filesystem type; program
+
+The @dfn{program} filesystem type allows a program to be run whenever a
+mount or unmount is required.  This allows easy addition of support for
+other filesystem types, such as MIT's Remote Virtual Disk (RVD)
+which has a programmatic interface via the commands
+@samp{rvdmount} and @samp{rvdunmount}.
+
+@noindent
+The following options must be specified:
+
+@table @code
+@cindex mount, mount option
+@cindex Mount option; mount
+@item mount
+the program which will perform the mount.
+
+@cindex unmount, mount option
+@cindex Mount option; unmount
+@item unmount
+the program which will perform the unmount.
+@end table
+
+The exit code from these two programs is interpreted as a Unix error
+code.  As usual, exit code zero indicates success.  To execute the
+program @i{Amd} splits the string on whitespace to create an array of
+substrings.  Single quotes @samp{'} can be used to quote whitespace
+if that is required in an argument.  There is no way to escape or change
+the quote character.
+
+To run the program @samp{rvdmount} with a host name and filesystem as
+arguments would be specified by @samp{mount:="/etc/rvdmount rvdmount
+fserver $@{path@}"}.
+
+The first element in the array is taken as the pathname of the program
+to execute.  The other members of the array form the argument vector to
+be passed to the program, @dfn{including argument zero}.  This means
+that the split string must have at least two elements.  The program is
+directly executed by @i{Amd}, not via a shell.  This means that scripts
+must begin with a @code{#!} interpreter specification.
+
+If a filesystem type is to be heavily used, it may be worthwhile adding
+a new filesystem type into @i{Amd}, but for most uses the program
+filesystem should suffice.
+
+When the program is run, standard input and standard error are inherited
+from the current values used by @i{Amd}.  Standard output is a
+duplicate of standard error.  The value specified with the ``-l''
+command line option has no effect on standard error.
+
+@node     Symbolic Link Filesystem, Symbolic Link Filesystem II, Program Filesystem, Filesystem Types
+@comment  node-name,  next,  previous,  up
+@section Symbolic Link Filesystem (@samp{type:=link})
+@cindex Symbolic link filesystem
+@cindex Referencing part of the local name space
+@cindex Mounting part of the local name space
+@cindex How to reference part of the local name space
+@cindex link, filesystem type
+@cindex symlink, link filesystem type
+@cindex Filesystem type; link
+
+Each filesystem type creates a symbolic link to point from the volume
+name to the physical mount point.  The @samp{link} filesystem does the
+same without any other side effects.  This allows any part of the
+machines name space to be accessed via @i{Amd}.
+
+One common use for the symlink filesystem is @file{/homes} which can be
+made to contain an entry for each user which points to their
+(auto-mounted) home directory.  Although this may seem rather expensive,
+it provides a great deal of administrative flexibility.
+
+@noindent
+The following option must be defined:
+
+@table @code
+@item fs
+The value of @var{fs} option specifies the destination of the link, as
+modified by the @var{sublink} option.  If @var{sublink} is non-null, it
+is appended to @code{$@{fs@}}@code{/} and the resulting string is used
+as the target.
+@end table
+
+The @samp{link} filesystem can be though of as identical to the
+@samp{ufs} filesystem but without actually mounting anything.
+
+An example entry might be:
+
+@example
+jsp   host==charm;type:=link;fs:=/home/charm;sublink:=jsp
+@end example
+which would return a symbolic link pointing to @file{/home/charm/jsp}.
+
+@node     Symbolic Link Filesystem II, Automount Filesystem, Program Filesystem, Filesystem Types
+@comment  node-name,  next,  previous,  up
+@section Symbolic Link Filesystem II (@samp{type:=link})
+@cindex Symbolic link filesystem II
+@cindex Referencing an existing part of the local name space
+@cindex Mounting an existing part of the local name space
+@cindex How to reference an existing part of the local name space
+@cindex linkx, filesystem type
+@cindex symlink, linkx filesystem type
+@cindex Filesystem type; linkx
+
+The @samp{linkx} filesystem type is identical to @samp{link} with the
+exception that the target of the link must exist.  Existence is checked
+with the @samp{lstat} system call.
+
+The @samp{linkx} filesystem type is particularly useful for wildcard map
+entries.  In this case, a list of possible targets can be give and
+@i{Amd} will choose the first one which exists on the local machine.
+
+@node     Automount Filesystem, Direct Automount Filesystem, Symbolic Link Filesystem II, Filesystem Types
+@comment  node-name,  next,  previous,  up
+@section Automount Filesystem (@samp{type:=auto})
+@cindex Automount filesystem
+@cindex Map cache types
+@cindex Setting map cache parameters
+@cindex How to set map cache parameters
+@cindex How to start an indirect automount point
+@cindex auto, filesystem type
+@cindex Filesystem type; auto
+@cindex SIGHUP signal
+@cindex Map cache synchronising
+@cindex Synchronising the map cache
+@cindex Map cache options
+@cindex Regular expressions in maps
+
+The @dfn{auto} filesystem type creates a new automount point below an
+existing automount point.  Top-level automount points appear as system
+mount points.  An automount mount point can also appear as a
+sub-directory of an existing automount point.  This allows some
+additional structure to be added, for example to mimic the mount tree of
+another machine.
+
+The following options may be specified:
+
+@table @code
+@cindex cache, mount option
+@cindex Mount option; cache
+@item cache
+specifies whether the data in this mount-map should be
+cached.  The default value is @samp{none}, in which case
+no caching is done in order to conserve memory.
+However, better performance and reliability can be obtained by caching
+some or all of a mount-map.
+
+If the cache option specifies @samp{all},
+the entire map is enumerated when the mount point is created.
+
+If the cache option specifies @samp{inc}, caching is done incrementally
+as and when data is required.
+Some map types do not support cache mode @samp{all}, in which case @samp{inc}
+is used whenever @samp{all} is requested.
+
+Caching can be entirely disabled by using cache mode @samp{none}.
+
+If the cache option specifies @samp{regexp} then the entire map will be
+enumerated and each key will be treated as an egrep-style regular
+expression.  The order in which a cached map is searched does not
+correspond to the ordering in the source map so the regular expressions
+should be mutually exclusive to avoid confusion.
+
+Each mount map type has a default cache type, usually @samp{inc}, which
+can be selected by specifying @samp{mapdefault}.
+
+The cache mode for a mount map can only be selected on the command line.
+Starting @i{Amd} with the command:
+
+@example
+amd /homes hesiod.homes -cache:=inc
+@end example
+
+will cause @samp{/homes} to be automounted using the @dfn{Hesiod} name
+server with local incremental caching of all succesfully resolved names.
+
+All cached data is forgotten whenever @i{Amd} receives a @samp{SIGHUP}
+signal and, if cache @samp{all} mode was selected, the cache will be
+reloaded.  This can be used to inform @i{Amd} that a map has been
+updated.  In addition, whenever a cache lookup fails and @i{Amd} needs
+to examine a map, the map's modify time is examined.  If the cache is
+out of date with respect to the map then it is flushed as if a
+@samp{SIGHUP} had been received.
+
+An additional option (@samp{sync}) may be specified to force @i{Amd} to
+check the map's modify time whenever a cached entry is being used.  For
+example, an incremental, synchronised cache would be created by the
+following command:
+
+@example
+amd /homes hesiod.homes -cache:=inc,sync
+@end example
+
+@item fs
+specifies the name of the mount map to use for the new mount point.
+
+Arguably this should have been specified with the @code{$@{rfs@}} option but
+we are now stuck with it due to historical accident.
+
+@c %If the string @samp{.} is used then the same map is used;
+@c %in addition the lookup prefix is set to the name of the mount point followed
+@c %by a slash @samp{/}.
+@c %This is the same as specifying @samp{fs:=\$@{map@};pref:=\$@{key@}/}.
+@c
+
+@item pref
+alters the name that is looked up in the mount map.  If
+@code{$@{pref@}}, the @dfn{prefix}, is non-null then it is prepended to
+the name requested by the kernel @dfn{before} the map is searched.
+@end table
+
+The server @samp{dylan.doc.ic.ac.uk} has two user disks:
+@samp{/dev/dsk/2s0} and @samp{/dev/dsk/5s0}.  These are accessed as
+@samp{/home/dylan/dk2} and @samp{/home/dylan/dk5} respectively.  Since
+@samp{/home} is already an automount point, this naming is achieved with
+the following map entries:@refill
+
+@example
+dylan        type:=auto;fs:=$@{map@};pref:=$@{key@}/
+dylan/dk2    type:=ufs;dev:=/dev/dsk/2s0
+dylan/dk5    type:=ufs;dev:=/dev/dsk/5s0
+@end example
+
+@node     Direct Automount Filesystem, Union Filesystem, Automount Filesystem, Filesystem Types
+@comment  node-name,  next,  previous,  up
+@section Direct Automount Filesystem (@samp{type:=direct})
+@cindex Direct automount filesystem
+@cindex How to start a direct automount point
+@cindex direct, filesystem type
+@cindex Filesystem type; direct
+
+The @dfn{direct} filesystem is almost identical to the automount
+filesystem.  Instead of appearing to be a directory of mount points, it
+appears as a symbolic link to a mounted filesystem.  The mount is done
+at the time the link is accessed.  @xref{Automount Filesystem} for a
+list of required options.
+
+Direct automount points are created by specifying the @samp{direct}
+filesystem type on the command line:
+
+@example
+amd ... /usr/man auto.direct -type:=direct
+@end example
+
+where @samp{auto.direct} would contain an entry such as:
+
+@example
+usr/man    -type:=nfs;rfs:=/usr/man \
+           rhost:=man-server1  rhost:=man-server2
+@end example
+
+In this example, @samp{man-server1} and @samp{man-server2} are file
+servers which export copies of the manual pages.  Note that the key
+which is looked up is the name of the automount point without the
+leading @samp{/}.
+
+@node     Union Filesystem, Error Filesystem, Direct Automount Filesystem, Filesystem Types
+@comment  node-name,  next,  previous,  up
+@section Union Filesystem (@samp{type:=union})
+@cindex Union filesystem
+@cindex union, filesystem type
+@cindex Filesystem type; union
+
+The @dfn{union} filesystem type allows the contents of several
+directories to be merged and made visible in a single directory.  This
+can be used to overcome one of the major limitations of the Unix mount
+mechanism which only allows complete directories to be mounted.
+
+For example, supposing @file{/tmp} and @file{/var/tmp} were to be merged
+into a new directory called @file{/mtmp}, with files in @file{/var/tmp}
+taking precedence.  The following command could be used to achieve this
+effect:
+
+@example
+amd ... /mtmp union:/tmp:/var/tmp -type:=union
+@end example
+
+Currently, the unioned directories must @emph{not} be automounted.  That
+would cause a deadlock.  This seriously limits the current usefulness of
+this filesystem type and the problem will be addressed in a future
+release of @i{Amd}.
+
+Files created in the union directory are actually created in the last
+named directory.  This is done by creating a wildcard entry which points
+to the correct directory.  The wildcard entry is visible if the union
+directory is listed, so allowing you to see which directory has
+priority.
+
+The files visible in the union directory are computed at the time
+@i{Amd} is started, and are not kept uptodate with respect to the
+underlying directories.  Similarly, if a link is removed, for example
+with the @samp{rm} command, it will be lost forever.
+
+@node     Error Filesystem, Top-level Filesystem, Union Filesystem, Filesystem Types
+@comment  node-name,  next,  previous,  up
+@section Error Filesystem (@samp{type:=error})
+@cindex Error filesystem
+@cindex error, filesystem type
+@cindex Filesystem type; error
+
+The @dfn{error} filesystem type is used internally as a catch-all in
+the case where none of the other filesystems was selected, or some other
+error occurred.
+Lookups and mounts always fail with ``No such file or directory''.
+All other operations trivially succeed.
+
+The error filesystem is not directly accessible.
+
+@node     Top-level Filesystem, Root Filesystem, Error Filesystem, Filesystem Types
+@comment  node-name,  next,  previous,  up
+@section Top-level Filesystem (@samp{type:=toplvl})
+@cindex Top level filesystem
+@cindex toplvl, filesystem type
+@cindex Filesystem type; toplvl
+
+The @dfn{toplvl} filesystems is derived from the @samp{auto} filesystem
+and is used to mount the top-level automount nodes.  Requests of this
+type are automatically generated from the command line arguments and
+can also be passed in by using the ``-M'' option of the @dfn{Amq} command.
+
+@node     Root Filesystem, Inheritance Filesystem, Top-level Filesystem, Filesystem Types
+@comment  node-name,  next,  previous,  up
+@section Root Filesystem
+@cindex Root filesystem
+@cindex root, filesystem type
+@cindex Filesystem type; root
+
+The @dfn{root} (@samp{type:=root}) filesystem type acts as an internal
+placeholder onto which @i{Amd} can pin @samp{toplvl} mounts.  Only one
+node of this type need ever exist and one is created automatically
+during startup.  The effect of creating a second root node is undefined.
+
+@node     Inheritance Filesystem, , Root Filesystem, Filesystem Types
+@comment  node-name,  next,  previous,  up
+@section Inheritance Filesystem
+@cindex Inheritance filesystem
+@cindex Nodes generated on a restart
+@cindex inherit, filesystem type
+@cindex Filesystem type; inherit
+
+The @dfn{inheritance} (@samp{type:=inherit}) filesystem is not directly
+accessible.  Instead, internal mount nodes of this type are
+automatically generated when @i{Amd} is started with the ``-r'' option.
+At this time the system mount table is scanned to locate any filesystems
+which are already mounted.  If any reference to these filesystems is
+made through @i{Amd} then instead of attempting to mount it, @i{Amd}
+simulates the mount and @dfn{inherits} the filesystem.  This allows a
+new version of @i{Amd} to be installed on a live system simply by
+killing the old daemon with @code{SIGTERM} and starting the new one.@refill
+
+This filesystem type is not generally visible externally, but it is
+possible that the output from @samp{amq -m} may list @samp{inherit} as
+the filesystem type.  This happens when an inherit operation cannot
+be completed for some reason, usually because a fileserver is down.
+
+@node     Run-time Administration, FSinfo, Filesystem Types, Top
+@comment  node-name,  next,  previous,  up
+@chapter Run-time Administration
+@cindex Run-time administration
+@cindex Amq command
+
+@menu
+* Starting Amd::
+* Stopping Amd::
+* Controlling Amd::
+@end menu
+
+@node     Starting Amd, Stopping Amd, Run-time Administration, Run-time Administration
+@comment  node-name,  next,  previous,  up
+@section Starting @i{Amd}
+@cindex Starting Amd
+@cindex Additions to /etc/rc.local
+@cindex /etc/rc.local additions
+@cindex /etc/amd.start
+
+@i{Amd} is best started from @samp{/etc/rc.local}:
+
+@example
+if [ -f /etc/amd.start ]; then
+        sh /etc/amd.start; (echo -n ' amd')      >/dev/console
+fi
+@end example
+
+@noindent
+The shell script, @samp{amd.start}, contains:
+
+@example
+#!/bin/sh -
+PATH=/etc:/bin:/usr/bin:/usr/ucb:$PATH export PATH
+
+#
+# Either name of logfile or "syslog"
+#
+LOGFILE=syslog
+#LOGFILE=/var/log/amd
+
+#
+# Figure out whether domain name is in host name
+# If the hostname is just the machine name then
+# pass in the name of the local domain so that the
+# hostnames in the map are domain stripped correctly.
+#
+case `hostname` in
+*.*) dmn= ;;
+*) dmn='-d doc.ic.ac.uk'
+esac
+
+#
+# Zap earlier log file
+#
+case "$LOGFILE" in
+*/*)
+        mv "$LOGFILE" "$LOGFILE"-
+        > "$LOGFILE"
+        ;;
+syslog)
+        : nothing
+        ;;
+esac
+
+cd /usr/sbin
+#
+# -r            restart
+# -d dmn        local domain
+# -w wait       wait between unmount attempts
+# -l log        logfile or "syslog"
+#
+eval ./amd -r $dmn -w 240 -l "$LOGFILE" \
+        /homes amd.homes -cache:=inc \
+        /home amd.home -cache:=inc \
+        /vol amd.vol -cache:=inc \
+        /n amd.net -cache:=inc
+@end example
+
+If the list of automount points and maps is contained in a file or NIS map
+it is easily incorporated onto the command line:
+
+@example
+...
+eval ./amd -r $dmn -w 240 -l "$LOGFILE" `ypcat -k auto.master`
+@end example
+
+@node     Stopping Amd, Controlling Amd, Starting Amd, Run-time Administration
+@comment  node-name,  next,  previous,  up
+@section Stopping @i{Amd}
+@cindex Stopping Amd
+@cindex SIGTERM signal
+@cindex SIGINT signal
+
+@i{Amd} stops in response to two signals.
+
+@table @samp
+@item SIGTERM
+causes the top-level automount points to be unmounted and then @i{Amd}
+to exit.  Any automounted filesystems are left mounted.  They can be
+recovered by restarting @i{Amd} with the ``-r'' command line option.@refill
+
+@item SIGINT
+causes @i{Amd} to attempt to unmount any filesystems which it has
+automounted, in addition to the actions of @samp{SIGTERM}.  This signal
+is primarly used for debugging.@refill
+@end table
+
+Actions taken for other signals are undefined.
+
+@node     Controlling Amd, , Stopping Amd, Run-time Administration
+@comment  node-name,  next,  previous,  up
+@section Controlling @i{Amd}
+@cindex Controlling Amd
+@cindex Discovering what is going on at run-time
+@cindex Listing currently mounted filesystems
+
+It is sometimes desirable or necessary to exercise external control
+over some of @i{Amd}'s internal state.  To support this requirement,
+@i{Amd} implements an RPC interface which is used by the @dfn{Amq} program.
+A variety of information is available.
+
+@i{Amq} generally applies an operation, specified by a single letter option,
+to a list of mount points.  The default operation is to obtain statistics
+about each mount point.  This is similar to the output shown above
+but includes information about the number and type of accesses to each
+mount point.
+
+@menu
+* Amq default::      Default command behaviour.
+* Amq -f option::     Flushing the map cache.
+* Amq -h option::     Controlling a non-local host.
+* Amq -m option::     Obtaining mount statistics.
+* Amq -M-option::     Mounting a volume.
+* Amq -s option::     Obtaining global statistics.
+* Amq -u option::     Forcing volumes to time out.
+* Amq -v option::     Version information.
+* Other Amq options:: Three other special options.
+@end menu
+
+@node     Amq default, Amq -f option, Controlling Amd, Controlling Amd
+@comment  node-name,  next,  previous,  up
+@subsection @i{Amq} default information
+
+With no arguments, @dfn{Amq} obtains a brief list of all existing
+mounts created by @i{Amd}.  This is different from the list displayed by
+@b{df}(1) since the latter only includes system mount points.
+
+@noindent
+The output from this option includes the following information:
+
+@itemize @bullet
+@item
+the automount point,
+@item
+the filesystem type,
+@item
+the mount map or mount information,
+@item
+the internal, or system mount point.
+@end itemize
+
+@noindent
+For example:
+
+@example
+/            root   "root"                    sky:(pid75)
+/homes       toplvl /usr/local/etc/amd.homes  /homes
+/home        toplvl /usr/local/etc/amd.home   /home
+/homes/jsp   nfs    charm:/home/charm         /a/charm/home/charm/jsp
+/homes/phjk  nfs    toytown:/home/toytown     /a/toytown/home/toytown/ai/phjk
+@end example
+
+@noindent
+If an argument is given then statistics for that volume name will
+be output.  For example:
+
+@example
+What            Uid   Getattr Lookup RdDir   RdLnk   Statfs Mounted@@
+/homes          0     1196    512    22      0       30     90/09/14 12:32:55
+/homes/jsp      0     0       0      0       1180    0      90/10/13 12:56:58
+@end example
+
+@table @code
+@item What
+the volume name.
+
+@item Uid
+ignored.
+
+@item Getattr
+the count of NFS @dfn{getattr} requests on this node.  This should only be
+non-zero for directory nodes.
+
+@item Lookup
+the count of NFS @dfn{lookup} requests on this node.  This should only be
+non-zero for directory nodes.
+
+@item RdDir
+the count of NFS @dfn{readdir} requests on this node.  This should only
+be non-zero for directory nodes.
+
+@item RdLnk
+the count of NFS @dfn{readlink} requests on this node.  This should be
+zero for directory nodes.
+
+@item Statfs
+the could of NFS @dfn{statfs} requests on this node.  This should only
+be non-zero for top-level automount points.
+
+@item Mounted@@
+the date and time the volume name was first referenced.
+@end table
+
+@node     Amq -f option, Amq -h option, Amq default, Controlling Amd
+@comment  node-name,  next,  previous,  up
+@subsection @i{Amq} -f option
+@cindex Flushing the map cache
+@cindex Map cache, flushing
+
+The ``-f'' option causes @i{Amd} to flush the internal mount map cache.
+This is useful for Hesiod maps since @i{Amd} will not automatically
+notice when they have been updated.  The map cache can also be
+synchronised with the map source by using the @samp{sync} option
+(@pxref{Automount Filesystem}).@refill
+
+@node     Amq -h option, Amq -m option, Amq -f option, Controlling Amd
+@comment  node-name,  next,  previous,  up
+@subsection @i{Amq} -h option
+@cindex Querying an alternate host
+
+By default the local host is used.  In an HP-UX cluster the root server
+is used since that is the only place in the cluster where @i{Amd} will
+be running.  To query @i{Amd} on another host the ``-h'' option should
+be used.
+
+@node     Amq -m option, Amq -M-option, Amq -h option, Controlling Amd
+@comment  node-name,  next,  previous,  up
+@subsection @i{Amq} -m option
+
+The ``-m'' option displays similar information about mounted
+filesystems, rather than automount points.  The output includes the
+following information:
+
+@itemize @bullet
+@item
+the mount information,
+@item
+the mount point,
+@item
+the filesystem type,
+@item
+the number of references to this filesystem,
+@item
+the server hostname,
+@item
+the state of the file server,
+@item
+any error which has occured.
+@end itemize
+
+For example:
+
+@example
+"root"           truth:(pid602)     root   1 localhost is up
+hesiod.home      /home              toplvl 1 localhost is up
+hesiod.vol       /vol               toplvl 1 localhost is up
+hesiod.homes     /homes             toplvl 1 localhost is up
+amy:/home/amy    /a/amy/home/amy    nfs    5 amy is up
+swan:/home/swan  /a/swan/home/swan  nfs    0 swan is up (Permission denied)
+ex:/home/ex      /a/ex/home/ex      nfs    0 ex is down
+@end example
+
+When the reference count is zero the filesystem is not mounted but
+the mount point and server information is still being maintained
+by @i{Amd}.
+
+@node     Amq -M-option, Amq -s option, Amq -m option, Controlling Amd
+@comment  node-name,  next,  previous,  up
+@subsection @i{Amq} -M option
+
+The ``-M'' option passes a new map entry to @i{Amd} and waits for it to
+be evaluated, possibly causing a mount.  For example, the following
+command would cause @samp{/home/toytown} on host @samp{toytown} to be
+mounted locally on @samp{/mnt/toytown}.
+
+@example
+amq -M '/mnt/toytown type:=nfs;rfs:=/home/toytown;rhost:=toytown;fs:=$@{key@}'
+@end example
+
+@i{Amd} applies some simple security checks before allowing this
+operation.  The check tests whether the incoming request is from a
+privileged UDP port on the local machine.  ``Permission denied'' is
+returned if the check fails.
+
+A future release of @i{Amd} will include code to allow the @b{mount}(8)
+command to mount automount points:
+
+@example
+mount -t amd /vol hesiod.vol
+@end example
+
+This will then allow @i{Amd} to be controlled from the standard system
+filesystem mount list.
+
+@node     Amq -s option, Amq -u option, Amq -M-option, Controlling Amd
+@comment  node-name,  next,  previous,  up
+@subsection @i{Amq} -s option
+@cindex Global statistics
+@cindex Statistics
+
+The ``-s'' option displays global statistics.  If any other options are specified
+or any filesystems named then this option is ignored.  For example:
+
+@example
+requests  stale     mount     mount     unmount
+deferred  fhandles  ok        failed    failed
+1054      1         487       290       7017
+@end example
+
+@table @samp
+@item Deferred requests
+are those for which an immediate reply could not be constructed.  For
+example, this would happen if a background mount was required.
+
+@item Stale filehandles
+counts the number of times the kernel passes a stale filehandle to @i{Amd}.
+Large numbers indicate problems.
+
+@item Mount ok
+counts the number of automounts which were successful.
+
+@item Mount failed
+counts the number of automounts which failed.
+
+@item Unmount failed
+counts the number of times a filesystem could not be unmounted.  Very
+large numbers here indicate that the time between unmount attempts
+should be increased.
+@end table
+
+@node     Amq -u option, Amq -v option, Amq -s option, Controlling Amd
+@comment  node-name,  next,  previous,  up
+@subsection @i{Amq} -u option
+@cindex Forcing filesystem to time out
+@cindex Unmounting a filesystem
+
+The ``-u'' option causes the time-to-live interval of the named mount
+points to be expired, thus causing an unmount attempt.  This is the only
+safe way to unmount an automounted filesystem.  It is not possible to
+unmount a filesystem which has been mounted with the @samp{nounmount}
+flag.
+
+@c The ``-H'' option informs @i{Amd} that the specified mount point has hung -
+@c as if its keepalive timer had expired.
+
+@node     Amq -v option, Other Amq options, Amq -u option, Controlling Amd
+@comment  node-name,  next,  previous,  up
+@subsection @i{Amq} -v option
+@cindex Version information at run-time
+
+The ``-v'' option displays the version of @i{Amd} in a similar way to
+@i{Amd}'s ``-v'' option.
+
+@node     Other Amq options, , Amq -v option, Controlling Amd
+@comment  node-name,  next,  previous,  up
+@subsection Other @i{Amq} options
+
+Three other operations are implemented.  These modify the state of
+@i{Amd} as a whole, rather than any particular filesystem.  The ``-l'',
+``-x'' and ``-D'' options have exactly the same effect as @i{Amd}'s
+corresponding command line options.  The ``-l'' option is rejected by
+@i{Amd} in the current version for obvious security reasons.  When
+@i{Amd} receives a ``-x''flag it limits the log options being modified
+to those which were not enabled at startup.  This prevents a user
+turning @emph{off} any logging option which was specified at startup,
+though any which have been turned off since then can still be turned
+off.  The ``-D'' option has a similar behaviour.
+
+@node     FSinfo, Examples, Run-time Administration, Top
+@comment  node-name,  next,  previous,  up
+@chapter FSinfo
+@cindex FSinfo
+@cindex Filesystem info package
+
+@menu
+* FSinfo Overview::                 Introduction to FSinfo.
+* Using FSinfo::                    Basic concepts.
+* FSinfo Grammar::                  Language syntax, semantics and examples.
+* FSinfo host definitions::         Defining a new host.
+* FSinfo host attributes::          Definable host attributes. 
+* FSinfo filesystems::              Defining locally attached filesystems.
+* FSinfo static mounts::            Defining additional static mounts.
+* FSinfo automount definitions::
+* FSinfo command line options::
+* FSinfo errors::
+@end menu
+
+@node     FSinfo Overview, Using FSinfo, FSinfo, FSinfo
+@comment  node-name,  next,  previous,  up
+@section @i{FSinfo} overview
+@cindex FSinfo overview
+
+@i{FSinfo} is a filesystem management tool.  It has been designed to
+work with @i{Amd} to help system administrators keep track of the ever
+increasing filesystem namespace under their control.
+
+The purpose of @i{FSinfo} is to generate all the important standard
+filesystem data files from a single set of input data.  Starting with a
+single data source guarantees that all the generated files are
+self-consistent.  One of the possible output data formats is a set of
+@i{Amd} maps which can be used amongst the set of hosts described in the
+input data.
+
+@i{FSinfo} implements a declarative language.  This language is
+specifically designed for describing filesystem namespace and physical
+layouts.  The basic declaration defines a mounted filesystem including
+its device name, mount point, and all the volumes and access
+permissions.  @i{FSinfo} reads this information and builds an internal
+map of the entire network of hosts.  Using this map, many different data
+formats can be produced including @file{/etc/fstab},
+@file{/etc/exports}, @i{Amd} mount maps and
+@file{/etc/bootparams}.@refill
+
+@node     Using FSinfo, FSinfo Grammar, FSinfo Overview, FSinfo
+@comment  node-name,  next,  previous,  up
+@section Using @i{FSinfo}
+@cindex Using FSinfo
+
+The basic strategy when using @i{FSinfo} is to gather all the
+information about all disks on all machines into one set of
+declarations.  For each machine being managed, the following data is
+required:
+
+@itemize @bullet
+@item
+Hostname
+@item
+List of all filesystems and, optionally, their mount points.
+@item
+Names of volumes stored on each filesystem.
+@item
+NFS export information for each volume.
+@item
+The list of static filesystem mounts.
+@end itemize
+
+The following information can also be entered into the same
+configuration files so that all data can be kept in one place.
+
+@itemize @bullet
+@item
+List of network interfaces
+@item
+IP address of each interface
+@item
+Hardware address of each interface
+@item
+Dumpset to which each filesystem belongs
+@item
+and more @dots{}
+@end itemize
+
+To generate @i{Amd} mount maps, the automount tree must also be defined
+(@pxref{FSinfo automount definitions}).  This will have been designed at
+the time the volume names were allocated.  Some volume names will not be
+automounted, so @i{FSinfo} needs an explicit list of which volumes
+should be automounted.@refill
+
+Hostnames are required at several places in the @i{FSinfo} language.  It
+is important to stick to either fully qualified names or unqualified
+names.  Using a mixture of the two will inevitably result in confusion.
+
+Sometimes volumes need to be referenced which are not defined in the set
+of hosts being managed with @i{FSinfo}.  The required action is to add a
+dummy set of definitions for the host and volume names required.  Since
+the files generated for those particular hosts will not be used on them,
+the exact values used is not critical.
+
+@node     FSinfo Grammar, FSinfo host definitions, Using FSinfo, FSinfo
+@comment  node-name,  next,  previous,  up
+@section @i{FSinfo} grammar
+@cindex FSinfo grammar
+@cindex Grammar, FSinfo
+
+@i{FSinfo} has a relatively simple grammar.  Distinct syntactic
+constructs exist for each of the different types of data, though they
+share a common flavour.  Several conventions are used in the grammar
+fragments below.
+
+The notation, @i{list(}@t{xxx}@i{)}, indicates a list of zero or more
+@t{xxx}'s.  The notation, @i{opt(}@t{xxx}@i{)}, indicates zero or one
+@t{xxx}.  Items in double quotes, @i{eg} @t{"host"}, represent input
+tokens.  Items in angle brackets, @i{eg} @var{<hostname>}, represent
+strings in the input.  Strings need not be in double quotes, except to
+differentiate them from reserved words.  Quoted strings may include the
+usual set of C ``@t{\}'' escape sequences with one exception: a
+backslash-newline-whitespace sequence is squashed into a single space
+character.  To defeat this feature, put a further backslash at the start
+of the second line.
+
+At the outermost level of the grammar, the input consists of a
+sequence of host and automount declarations.  These declarations are
+all parsed before they are analyzed.  This means they can appear in
+any order and cyclic host references are possible.
+
+@example
+fsinfo      : @i{list(}fsinfo_attr@i{)} ;
+
+fsinfo_attr : host | automount ;
+@end example
+
+@menu
+* FSinfo host definitions::
+* FSinfo automount definitions::
+@end menu
+
+@node FSinfo host definitions, FSinfo host attributes, FSinfo grammar, FSinfo
+@comment  node-name,  next,  previous,  up
+@section @i{FSinfo} host definitions
+@cindex FSinfo host definitions
+@cindex Defining a host, FSinfo
+
+A host declaration consists of three parts: a set of machine attribute
+data, a list of filesystems physically attached to the machine, and a
+list of additional statically mounted filesystems.
+
+@example
+host        : "host" host_data @i{list(}filesystem@i{@i{)}} @i{list(}mount@i{@i{)}} ;
+@end example
+
+Each host must be declared in this way exactly once.  Such things as the
+hardware address, the architecture and operating system types and the
+cluster name are all specified within the @dfn{host data}.
+
+All the disks the machine has should then be described in the @dfn{list
+of filesystems}.  When describing disks, you can specify what
+@dfn{volname} the disk/partition should have and all such entries are
+built up into a dictionary which can then be used for building the
+automounter maps.
+
+The @dfn{list of mounts} specifies all the filesystems that should be
+statically mounted on the machine.
+
+@menu
+* FSinfo host attributes::
+* FSinfo filesystems::
+* FSinfo static mounts::
+@end menu
+
+@node FSinfo host attributes, FSinfo filesystems, FSinfo host definitions , FSinfo host definitions
+@comment  node-name,  next,  previous,  up
+@section @i{FSinfo} host attributes
+@cindex FSinfo host attributes
+@cindex Defining host attributes, FSinfo
+
+The host data, @dfn{host_data}, always includes the @dfn{hostname}.  In
+addition, several other host attributes can be given.
+
+@example
+host_data   : @var{<hostname>}
+            | "@{" @i{list(}host_attrs@i{)} "@}" @var{<hostname>}
+            ;
+
+host_attrs  : host_attr "=" @var{<string>}
+            | netif
+            ;
+
+host_attr   : "config"
+            | "arch"
+            | "os"
+            | "cluster"
+            ;
+@end example
+
+The @dfn{hostname} is, typically, the fully qualified hostname of the
+machine.
+
+Examples:
+
+@example
+host dylan.doc.ic.ac.uk
+
+host @{
+    os = hpux
+    arch = hp300
+@} dougal.doc.ic.ac.uk
+@end example
+
+The options that can be given as host attributes are shown below.
+
+@menu
+* netif Option:		FSinfo host netif:
+* config Option:	FSinfo host config:
+* arch Option:		FSinfo host arch:
+* os Option:		FSinfo host os:
+* cluster Option:	FSinfo host cluster:
+@end menu
+
+@node FSinfo host netif, FSinfo host config, , FSinfo host attributes
+@comment  node-name,  next,  previous,  up
+@subsection netif Option
+
+This defines the set of network interfaces configured on the machine.
+The interface attributes collected by @i{FSinfo} are the IP address,
+subnet mask and hardware address.  Multiple interfaces may be defined
+for hosts with several interfaces by an entry for each interface.  The
+values given are sanity checked, but are currently unused for anything
+else.
+
+@example
+netif       : "netif" @var{<string>} "@{" @i{list(}netif_attrs@i{)} "@}" ;
+
+netif_attrs : netif_attr "=" @var{<string>} ;
+
+netif_attr  : "inaddr" | "netmask" | "hwaddr" ;
+@end example
+
+Examples:
+
+@example
+netif ie0 @{
+    inaddr  = 129.31.81.37
+    netmask = 0xfffffe00
+    hwaddr  = "08:00:20:01:a6:a5"
+@}
+
+netif ec0 @{ @}
+@end example
+
+@node FSinfo host config, FSinfo host arch, FSinfo host netif, FSinfo host attributes
+@comment  node-name,  next,  previous,  up
+@subsection config Option
+@cindex FSinfo config host attribute
+@cindex config, FSinfo host attribute
+
+This option allows you to specify configuration variables for the
+startup scripts (@file{rc} scripts).  A simple string should immediately
+follow the keyword.
+
+Example:
+
+@example
+config "NFS_SERVER=true"
+config "ZEPHYR=true"
+@end example
+
+This option is currently unsupported.
+
+@node FSinfo host arch, FSinfo host os, FSinfo host config, FSinfo host attributes
+@comment  node-name,  next,  previous,  up
+@subsection arch Option
+@cindex FSinfo arch host attribute
+@cindex arch, FSinfo host attribute
+
+This defines the architecture of the machine.  For example:
+
+@example
+arch = hp300
+@end example
+
+This is intended to be of use when building architecture specific
+mountmaps, however, the option is currently unsupported.
+
+@node FSinfo host os, FSinfo host cluster, FSinfo host arch, FSinfo host attributes
+@comment  node-name,  next,  previous,  up
+@subsection os Option
+@cindex FSinfo os host attribute
+@cindex os, FSinfo host attribute
+
+This defines the operating system type of the host.  For example:
+
+@example
+os = hpux
+@end example
+
+This information is used when creating the @file{fstab} files, for
+example in choosing which format to use for the @file{fstab} entries
+within the file.
+
+@node FSinfo host cluster, , FSinfo host os, FSinfo host attributes
+@comment  node-name,  next,  previous,  up
+@subsection cluster Option
+@cindex FSinfo cluster host attribute
+@cindex cluster, FSinfo host attribute
+
+This is used for specifying in which cluster the machine belongs.  For
+example:
+
+@example
+cluster = "theory"
+@end example
+
+The cluster is intended to be used when generating the automount maps,
+although it is currently unsupported.
+
+@node FSinfo filesystems, FSinfo static mounts, FSinfo host attributes, FSinfo host definitions
+@comment  node-name,  next,  previous,  up
+@section @i{FSinfo} filesystems
+@cindex FSinfo filesystems
+
+The list of physically attached filesystems follows the machine
+attributes.  These should define all the filesystems available from this
+machine, whether exported or not.  In addition to the device name,
+filesystems have several attributes, such as filesystem type, mount
+options, and @samp{fsck} pass number which are needed to generate
+@file{fstab} entries.
+
+@example
+filesystem  : "fs" @var{<device>} "@{" @i{list(}fs_data@i{)} "@}" ;
+
+fs_data     : fs_data_attr "=" @var{<string>}
+            | mount
+            ;
+
+fs_data_attr
+            : "fstype" | "opts" | "passno"
+            | "freq" | "dumpset" | "log"
+            ;
+@end example
+
+Here, @var{<device>} is the device name of the disk (for example,
+@file{/dev/dsk/2s0}).  The device name is used for building the mount
+maps and for the @file{fstab} file.  The attributes that can be
+specified are shown in the following section.
+
+The @i{FSinfo} configuration file for @code{dylan.doc.ic.ac.uk} is listed below.
+
+@example
+host dylan.doc.ic.ac.uk
+
+fs /dev/dsk/0s0 @{
+	fstype = swap
+@}
+
+fs /dev/dsk/0s0 @{
+	fstype = hfs
+	opts = rw,noquota,grpid
+	passno = 0;
+	freq = 1;
+	mount / @{ @}
+@}
+
+fs /dev/dsk/1s0 @{
+	fstype = hfs
+	opts = defaults
+	passno = 1;
+	freq = 1;
+	mount /usr @{
+		local @{
+			exportfs "dougal eden dylan zebedee brian"
+			volname /nfs/hp300/local
+		@}
+	@}
+@}
+
+fs /dev/dsk/2s0 @{
+	fstype = hfs
+	opts = defaults
+	passno = 1;
+	freq = 1;
+	mount default @{
+		exportfs "toytown_clients hangers_on"
+		volname /home/dylan/dk2
+	@}
+@}
+
+fs /dev/dsk/3s0 @{
+	fstype = hfs
+	opts = defaults
+	passno = 1;
+	freq = 1;
+	mount default @{
+		exportfs "toytown_clients hangers_on"
+		volname /home/dylan/dk3
+	@}
+@}
+
+fs /dev/dsk/5s0 @{
+	fstype = hfs
+	opts = defaults
+	passno = 1;
+	freq = 1;
+	mount default @{
+		exportfs "toytown_clients hangers_on"
+		volname /home/dylan/dk5
+	@}
+@}
+@end example
+
+@menu
+* fstype Option:	FSinfo filesystems fstype:
+* opts Option:		FSinfo filesystems opts:
+* passno Option:	FSinfo filesystems passno:
+* freq Option:		FSinfo filesystems freq:
+* mount Option:		FSinfo filesystems mount:
+* dumpset Option:	FSinfo filesystems dumpset:
+* log Option:		FSinfo filesystems log:
+@end menu
+
+@node FSinfo filesystems fstype, FSinfo filesystems opts, , FSinfo filesystems
+@comment  node-name,  next,  previous,  up
+@subsection fstype Option
+@cindex FSinfo fstype filesystems option
+@cindex fstype, FSinfo filesystems option
+@cindex export, FSinfo special fstype
+
+This specifies the type of filesystem being declared and will be placed
+into the @file{fstab} file as is.  The value of this option will be
+handed to @code{mount} as the filesystem type---it should have such
+values as @code{4.2}, @code{nfs} or @code{swap}.  The value is not
+examined for correctness.
+
+There is one special case.  If the filesystem type is specified as
+@samp{export} then the filesystem information will not be added to the
+host's @file{fstab} information, but it will still be visible on the
+network.  This is useful for defining hosts which contain referenced
+volumes but which are not under full control of @i{FSinfo}.
+
+Example:
+
+@example
+fstype = swap
+@end example
+
+@node FSinfo filesystems opts, FSinfo filesystems passno,FSinfo filesystems fstype, FSinfo filesystems
+@comment  node-name,  next,  previous,  up
+@subsection opts Option
+@cindex FSinfo opts filesystems option
+@cindex opts, FSinfo filesystems option
+
+This defines any options that should be given to @b{mount}(8) in the
+@file{fstab} file.  For example:
+
+@example
+opts = rw,nosuid,grpid
+@end example
+
+@node FSinfo filesystems passno, FSinfo filesystems freq, FSinfo filesystems opts, FSinfo filesystems
+@comment  node-name,  next,  previous,  up
+@subsection passno Option
+@cindex FSinfo passno filesystems option
+@cindex passno, FSinfo filesystems option
+
+This defines the @b{fsck}(8) pass number in which to check the
+filesystem.  This value will be placed into the @file{fstab} file.
+
+Example:
+
+@example
+passno = 1
+@end example
+
+@node FSinfo filesystems freq, FSinfo filesystems mount, FSinfo filesystems passno, FSinfo filesystems
+@comment  node-name,  next,  previous,  up
+@subsection freq Option
+@cindex FSinfo freq filesystems option
+@cindex freq, FSinfo filesystems option
+
+This defines the interval (in days) between dumps.  The value is placed
+as is into the @file{fstab} file.
+
+Example:
+
+@example
+freq = 3
+@end example
+
+@node FSinfo filesystems mount, FSinfo filesystems dumpset, FSinfo filesystems freq, FSinfo filesystems
+@comment  node-name,  next,  previous,  up
+@subsection mount Option
+@cindex FSinfo mount filesystems option
+@cindex mount, FSinfo filesystems option
+@cindex exportfs, FSinfo mount option
+@cindex volname, FSinfo mount option
+@cindex sel, FSinfo mount option
+
+This defines the mountpoint at which to place the filesystem.  If the
+mountpoint of the filesystem is specified as @code{default}, then the
+filesystem will be mounted in the automounter's tree under its volume
+name and the mount will automatically be inherited by the automounter.
+
+Following the mountpoint, namespace information for the filesystem may
+be described.  The options that can be given here are @code{exportfs},
+@code{volname} and @code{sel}.
+
+The format is:
+
+@example
+mount       : "mount" vol_tree ;
+
+vol_tree    : @i{list(}vol_tree_attr@i{)} ;
+
+vol_tree_attr
+            :  @var{<string>} "@{" @i{list(}vol_tree_info@i{)} vol_tree "@}" ;
+
+vol_tree_info
+            : "exportfs" @var{<export-data>}
+            | "volname" @var{<volname>}
+            | "sel" @var{<selector-list>}
+            ;
+@end example
+
+Example:
+
+@example
+mount default @{
+    exportfs "dylan dougal florence zebedee"
+    volname /vol/andrew
+@}
+@end example
+
+In the above example, the filesystem currently being declared will have
+an entry placed into the @file{exports} file allowing the filesystem to
+be exported to the machines @code{dylan}, @code{dougal}, @code{florence}
+and @code{zebedee}.  The volume name by which the filesystem will be
+referred to remotely, is @file{/vol/andrew}.  By declaring the
+mountpoint to be @code{default}, the filesystem will be mounted on the
+local machine in the automounter tree, where @i{Amd} will automatically
+inherit the mount as @file{/vol/andrew}.@refill
+
+@table @samp
+@item exportfs
+a string defining which machines the filesystem may be exported to.
+This is copied, as is, into the @file{exports} file---no sanity checking
+is performed on this string.@refill
+
+@item volname
+a string which declares the remote name by which to reference the
+filesystem.  The string is entered into a dictionary and allows you to
+refer to this filesystem in other places by this volume name.@refill
+
+@item sel
+a string which is placed into the automounter maps as a selector for the
+filesystem.@refill
+
+@end table
+
+@node FSinfo filesystems dumpset, FSinfo filesystems log, FSinfo filesystems mount, FSinfo filesystems
+@comment  node-name,  next,  previous,  up
+@subsection dumpset Option
+@cindex FSinfo dumpset filesystems option
+@cindex dumpset, FSinfo filesystems option
+
+This provides support for Imperial College's local file backup tools and
+is not documented further here.
+
+@node FSinfo filesystems log, , FSinfo filesystems dumpset, FSinfo filesystems    
+@comment  node-name,  next,  previous,  up
+@subsection log Option
+@cindex FSinfo log filesystems option
+@cindex log, FSinfo filesystems option
+
+Specifies the log device for the current filesystem. This is ignored if
+not required by the particular filesystem type.
+
+@node FSinfo static mounts, FSinfo automount definitions , FSinfo filesystems, FSinfo host definitions
+@comment  node-name,  next,  previous,  up
+@section @i{FSinfo} static mounts
+@cindex FSinfo static mounts
+@cindex Statically mounts filesystems, FSinfo
+
+Each host may also have a number of statically mounted filesystems.  For
+example, the host may be a diskless workstation in which case it will
+have no @code{fs} declarations.  In this case the @code{mount}
+declaration is used to determine from where its filesystems will be
+mounted.  In addition to being added to the @file{fstab} file, this
+information can also be used to generate a suitable @file{bootparams}
+file.@refill
+
+@example
+mount       : "mount" @var{<volname>} @i{list(}localinfo@i{)} ;
+
+localinfo   : localinfo_attr @var{<string>} ;
+
+localinfo_attr
+            : "as"
+            | "from"
+            | "fstype"
+            | "opts"
+            ;
+@end example
+
+The filesystem specified to be mounted will be searched for in the
+dictionary of volume names built when scanning the list of hosts'
+definitions.
+
+The attributes have the following semantics:
+@table @samp
+@item from @var{machine}
+mount the filesystem from the machine with the hostname of
+@dfn{machine}.@refill
+
+@item as @var{mountpoint}
+mount the filesystem locally as the name given, in case this is
+different from the advertised volume name of the filesystem.
+
+@item opts @var{options}
+native @b{mount}(8) options.
+
+@item fstype @var{type}
+type of filesystem to be mounted.
+@end table
+
+An example:
+
+@example
+mount /export/exec/hp300/local as /usr/local
+@end example
+
+If the mountpoint specified is either @file{/} or @file{swap}, the
+machine will be considered to be booting off the net and this will be
+noted for use in generating a @file{bootparams} file for the host which
+owns the filesystems.
+
+@node FSinfo automount definitions, FSinfo Command Line Options, FSinfo static mounts, FSinfo
+@comment  node-name,  next,  previous,  up
+@section Defining an @i{Amd} Mount Map in @i{FSinfo}
+@cindex FSinfo automount definitions
+@cindex Defining an Amd mount map, FSinfo
+
+The maps used by @i{Amd} can be constructed from @i{FSinfo} by defining
+all the automount trees.  @i{FSinfo} takes all the definitions found and
+builds one map for each top level tree.
+
+The automount tree is usually defined last.  A single automount
+configuration will usually apply to an entire management domain.  One
+@code{automount} declaration is needed for each @i{Amd} automount point.
+@i{FSinfo} determines whether the automount point is @dfn{direct}
+(@pxref{Direct Automount Filesystem}) or @dfn{indirect}
+(@pxref{Top-level Filesystem}).  Direct automount points are
+distinguished by the fact that there is no underlying
+@dfn{automount_tree}.@refill
+
+@example
+automount   : "automount" opt(auto_opts@i{)} automount_tree ;
+
+auto_opts   : "opts" @var{<mount-options>} ;
+
+automount_tree
+            : @i{list(}automount_attr@i{)}
+            ;
+
+automount_attr
+            : @var{<string>} "=" @var{<volname>}
+            | @var{<string>} "->" @var{<symlink>}
+            | @var{<string>} "@{" automount_tree "@}"
+            ;
+@end example
+
+If @var{<mount-options>} is given, then it is the string to be placed in
+the maps for @i{Amd} for the @code{opts} option.
+
+A @dfn{map} is typically a tree of filesystems, for example @file{home}
+normally contains a tree of filesystems representing other machines in
+the network.
+
+A map can either be given as a name representing an already defined
+volume name, or it can be a tree.  A tree is represented by placing
+braces after the name.  For example, to define a tree @file{/vol}, the
+following map would be defined:
+
+@example
+automount /vol @{ @}
+@end example
+
+Within a tree, the only items that can appear are more maps.
+For example:
+
+@example
+automount /vol @{
+    andrew @{ @}
+    X11 @{ @}
+@}
+@end example
+
+In this case, @i{FSinfo} will look for volumes named @file{/vol/andrew}
+and @file{/vol/X11} and a map entry will be generated for each.  If the
+volumes are defined more than once, then @i{FSinfo} will generate
+a series of alternate entries for them in the maps.@refill
+
+Instead of a tree, either a link (@var{name} @code{->}
+@var{destination}) or a reference can be specified (@var{name} @code{=}
+@var{destination}).  A link creates a symbolic link to the string
+specified, without further processing the entry.  A reference will
+examine the destination filesystem and optimise the reference.  For
+example, to create an entry for @code{njw} in the @file{/homes} map,
+either of the two forms can be used:@refill
+
+@example
+automount /homes @{
+    njw -> /home/dylan/njw
+@}
+@end example
+
+or
+
+@example
+automount /homes @{
+    njw = /home/dylan/njw
+@}
+@end example
+
+In the first example, when @file{/homes/njw} is referenced from @i{Amd},
+a link will be created leading to @file{/home/dylan/njw} and the
+automounter will be referenced a second time to resolve this filename.
+The map entry would be:
+
+@example
+njw type:=link;fs:=/home/dylan/njw
+@end example
+
+In the second example, the destination directory is analysed and found
+to be in the filesystem @file{/home/dylan} which has previously been
+defined in the maps. Hence the map entry will look like:
+
+@example
+njw rhost:=dylan;rfs:=/home/dylan;sublink:=njw
+@end example
+
+Creating only one symbolic link, and one access to @i{Amd}.
+
+@c ---------------------------------------------
+@node FSinfo Command Line Options, FSinfo errors, FSinfo automount definitions, FSinfo
+@comment  node-name,  next,  previous,  up
+@section @i{FSinfo} Command Line Options
+@cindex FSinfo command line options
+@cindex Command line options, FSinfo
+
+@i{FSinfo} is started from the command line by using the command:
+
+@example
+fsinfo [@i{options}] files ...
+@end example
+
+The input to @i{FSinfo} is a single set of definitions of machines and
+automount maps.  If multiple files are given on the command-line, then
+the files are concatenated together to form the input source.  The files
+are passed individually through the C pre-processor before being parsed.
+
+Several options define a prefix for the name of an output file.  If the
+prefix is not specified no output of that type is produced.  The suffix
+used will correspond either to the hostname to which a file belongs, or
+to the type of output if only one file is produced.  Dumpsets and the
+@file{bootparams} file are in the latter class.  To put the output into
+a subdirectory simply put a @file{/} at the end of the prefix, making
+sure that the directory has already been made before running
+@samp{fsinfo}.
+
+@menu
+* -a FSinfo Option::	Amd automount directory:
+* -b FSinfo Option::	Prefix for bootparams files.
+* -d FSinfo Option::	Prefix for dumpset data files.
+* -e FSinfo Option::	Prefix for exports files.
+* -f FSinfo Option::	Prefix for fstab files.
+* -h FSinfo Option::	Local hostname.
+* -m FSinfo Option::	Prefix for automount maps.
+* -q FSinfo Option::	Ultra quiet mode.
+* -v FSinfo Option::	Verbose mode.
+* -I FSinfo Option::	Define new #include directory.
+* -D-FSinfo Option::	Define macro.
+* -U FSinfo Option::	Undefine macro.
+@end menu
+
+@node -a FSinfo Option, -b FSinfo Option, FSinfo Command Line Options, FSinfo Command Line Options
+@comment  node-name,  next,  previous,  up
+@subsection @code{-a} @var{autodir}
+
+Specifies the directory name in which to place the automounter's
+mountpoints.  This defaults to @file{/a}.  Some sites have the autodir set
+to be @file{/amd}, and this would be achieved by:
+
+@example
+fsinfo -a /amd ...
+@end example
+
+@node -b FSinfo Option, -d FSinfo Option, -a FSinfo Option, FSinfo Command Line Options
+@comment  node-name,  next,  previous,  up
+@subsection @code{-b} @var{bootparams}
+@cindex bootparams, FSinfo prefix
+
+This specifies the prefix for the @file{bootparams} filename.  If it is
+not given, then the file will not be generated.  The @file{bootparams}
+file will be constructed for the destination machine and will be placed
+into a file named @file{bootparams} and prefixed by this string.  The
+file generated contains a list of entries describing each diskless
+client that can boot from the destination machine.
+
+As an example, to create a @file{bootparams} file in the directory
+@file{generic}, the following would be used:
+
+@example
+fsinfo -b generic/ ...
+@end example
+
+@node -d FSinfo Option, -e FSinfo Option, -b FSinfo Option, FSinfo Command Line Options
+@comment  node-name,  next,  previous,  up
+@subsection @code{-d} @var{dumpsets}
+@cindex dumpset, FSinfo prefix
+
+This specifies the prefix for the @file{dumpsets} file.  If it is not
+specified, then the file will not be generated.  The file will be for
+the destination machine and will be placed into a filename
+@file{dumpsets}, prefixed by this string.  The @file{dumpsets} file is
+for use by Imperial College's local backup system.
+
+For example, to create a dumpsets file in the directory @file{generic},
+then you would use the following:
+
+@example
+fsinfo -d generic/ ...
+@end example
+
+@node -e FSinfo Option, -f FSinfo Option, -d FSinfo Option, FSinfo Command Line Options
+@comment  node-name,  next,  previous,  up
+@subsection @code{-e} @var{exportfs}
+@cindex exports, FSinfo prefix
+
+Defines the prefix for the @file{exports} files.  If it is not given,
+then the file will not be generated.  For each machine defined in the
+configuration files as having disks, an @file{exports} file is
+constructed and given a filename determined by the name of the machine,
+prefixed with this string.  If a machine is defined as diskless, then no
+@file{exports} file will be created for it.  The files contain entries
+for directories on the machine that may be exported to clients.
+
+Example: To create the @file{exports} files for each diskful machine
+and place them into the directory @file{exports}:
+
+@example
+fsinfo -e exports/ ...
+@end example
+
+@node -f FSinfo Option, -h FSinfo Option, -e FSinfo Option, FSinfo Command Line Options
+@comment  node-name,  next,  previous,  up
+@subsection @code{-f} @var{fstab}
+@cindex fstab, FSinfo prefix
+
+This defines the prefix for the @file{fstab} files.  The files will only
+be created if this prefix is defined.  For each machine defined in the
+configuration files, a @file{fstab} file is created with the filename
+determined by prefixing this string with the name of the machine.  These
+files contain entries for filesystems and partitions to mount at boot
+time.
+
+Example, to create the files in the directory @file{fstabs}:
+
+@example
+fsinfo -f fstabs/ ...
+@end example
+
+@node -h FSinfo Option, -m FSinfo Option, -f FSinfo Option, FSinfo Command Line Options
+@comment  node-name,  next,  previous,  up
+@subsection @code{-h} @var{hostname}
+@cindex hostname, FSinfo command line option
+
+Defines the hostname of the destination machine to process for.  If this
+is not specified, it defaults to the local machine name, as returned by
+@b{gethostname}(2).
+
+Example:
+
+@example
+fsinfo -h dylan.doc.ic.ac.uk ...
+@end example
+
+@node -m FSinfo Option, -q FSinfo Option, -h FSinfo Option, FSinfo Command Line Options
+@comment  node-name,  next,  previous,  up
+@subsection @code{-m} @var{mount-maps}
+@cindex maps, FSinfo command line option
+
+Defines the prefix for the automounter files.  The maps will only be
+produced if this prefix is defined.  The mount maps suitable for the
+network defined by the configuration files will be placed into files
+with names calculated by prefixing this string to the name of each map.
+
+For example, to create the automounter maps and place them in the
+directory @file{automaps}:
+
+@example
+fsinfo -m automaps/ ...
+@end example
+
+@node -q FSinfo Option, -v FSinfo Option, -m FSinfo Option, FSinfo Command Line Options
+@comment  node-name,  next,  previous,  up
+@subsection @code{-q}
+@cindex quiet, FSinfo command line option
+
+Selects quiet mode.  @i{FSinfo} suppress the ``running commentary'' and
+only outputs any error messages which are generated.
+
+@node -v FSinfo Option, -D-FSinfo Option, -q FSinfo Option, FSinfo Command Line Options
+@comment  node-name,  next,  previous,  up
+@subsection @code{-v}
+@cindex verbose, FSinfo command line option
+
+Selects verbose mode.  When this is activated, the program will display
+more messages, and display all the information discovered when
+performing the semantic analysis phase.  Each verbose message is output
+to @file{stdout} on a line starting with a @samp{#} character.
+
+@node -D-FSinfo Option, -I FSinfo Option, -v FSinfo Option, FSinfo Command Line Options
+@comment  node-name,  next,  previous,  up
+@subsection @code{-D} @var{name[=defn]}
+
+Defines a symbol @dfn{name} for the preprocessor when reading the
+configuration files.  Equivalent to @code{#define} directive.
+
+@node -I FSinfo Option, -U FSinfo Option, -D-FSinfo Option, FSinfo Command Line Options
+@comment  node-name,  next,  previous,  up
+@subsection @code{-I} @var{directory}
+
+This option is passed into the preprocessor for the configuration files.
+It specifies directories in which to find include files
+
+@node -U FSinfo Option, , -I FSinfo Option, FSinfo Command Line Options
+@comment  node-name,  next,  previous,  up
+@subsection @code{-U} @var{name}
+
+Removes any initial definition of the symbol @dfn{name}.  Inverse of the
+@code{-D} option.
+
+@node FSinfo errors, , FSinfo command line options, FSinfo
+@comment  node-name,  next,  previous,  up
+@section Errors produced by @i{FSinfo}
+@cindex FSinfo error messages
+
+The following table documents the errors and warnings which @i{FSinfo} may produce.
+
+@table @t
+
+@item can't open @var{filename} for writing
+Occurs if any errors are encountered when opening an output file.@refill
+
+@item unknown host attribute
+Occurs if an unrecognised keyword is used when defining a host.@refill
+
+@item unknown filesystem attribute
+Occurs if an unrecognised keyword is used when defining a host's
+filesystems.@refill
+
+@item not allowed '/' in a directory name
+When reading the configuration input, if there is a filesystem
+definition which contains a pathname with multiple directories for any
+part of the mountpoint element, and it is not a single absolute path,
+then this message will be produced by the parser.@refill
+
+@item unknown directory attribute
+If an unknown keyword is found while reading the definition of a hosts's
+filesystem mount option.
+
+@item unknown mount attribute
+Occurs if an unrecognised keyword is found while parsing the list of
+static mounts.@refill
+
+@item " expected
+Occurs if an unescaped newline is found in a quoted string.
+
+@item unknown \ sequence
+Occurs if an unknown escape sequence is found inside a string.  Within a
+string, you can give the standard C escape sequences for strings, such
+as newlines and tab characters.@refill
+
+@item @var{filename}: cannot open for reading
+If a file specified on the command line as containing configuration data
+could not be opened.@refill
+
+@item end of file within comment
+A comment was unterminated before the end of one of the configuration
+files.
+
+@item host field "@var{field-name}" already set
+If duplicate definitions are given for any of the fields with a host
+definition.
+
+@item duplicate host @var{hostname}!
+If a host has more than one definition.
+
+@item netif field @var{field-name} already set
+Occurs if you attempt to define an attribute of an interface more than
+once.
+
+@item malformed IP dotted quad: @var{address}
+If the Internet address of an interface is incorrectly specified.  An
+Internet address definition is handled to @b{inet_addr}(3N) to see if it
+can cope.  If not, then this message will be displayed.
+
+@item malformed netmask: @var{netmask}
+If the netmask cannot be decoded as though it were a hexadecimal number,
+then this message will be displayed.  It will typically be caused by
+incorrect characters in the @var{netmask} value.@refill
+
+@item fs field "@var{field-name}" already set
+Occurs when multiple definitions are given for one of the attributes of a
+host's filesystem.
+
+@item mount tree field "@var{field-name}" already set
+Occurs when the @var{field-name} is defined more than once during the
+definition of a filesystems mountpoint.
+
+@item mount field "@var{field-name}" already set
+Occurs when a static mount has multiple definitions of the same field.
+
+@item no disk mounts on @var{hostname}
+If there are no static mounts, nor local disk mounts specified for a
+machine, this message will be displayed.
+
+@item @var{host}:@var{device} needs field "@var{field-name}"
+Occurs when a filesystem is missing a required field. @var{field-name} could
+be one of @code{fstype}, @code{opts}, @code{passno} or
+@code{mount}.@refill
+
+@item @var{filesystem} has a volname but no exportfs data
+Occurs when a volume name is declared for a file system, but the string
+specifying what machines the filesystem can be exported to is
+missing.
+
+@item sub-directory @var{directory} of @var{directory-tree} starts with '/'
+Within the filesystem specification for a host, if an element
+@var{directory} of the mountpoint begins with a @samp{/} and it is not
+the start of the tree.@refill
+
+@item @var{host}:@var{device} has no mount point
+Occurs if the @samp{mount} option is not specified for a host's
+filesystem.@refill
+
+@item @var{host}:@var{device} has more than one mount point
+Occurs if the mount option for a host's filesystem specifies multiple
+trees at which to place the mountpoint.@refill
+
+@item no volname given for @var{host}:@var{device}
+Occurs when a filesystem is defined to be mounted on @file{default}, but
+no volume name is given for the file system, then the mountpoint cannot
+be determined.@refill
+
+@item @var{host}:mount field specified for swap partition
+Occurs if a mountpoint is given for a filesystem whose type is declared
+to be @code{swap}.@refill
+
+@item ambiguous mount: @var{volume} is a replicated filesystem
+If several filesystems are declared as having the same volume name, they
+will be considered replicated filesystems.  To mount a replicated
+filesystem statically, a specific host will need to be named, to say
+which particular copy to try and mount, else this error will
+result.@refill
+
+@item cannot determine localname since volname @var{volume} is not uniquely defined
+If a volume is replicated and an attempt is made to mount the filesystem
+statically without specifying a local mountpoint, @i{FSinfo} cannot
+calculate a mountpoint, as the desired pathname would be
+ambiguous.@refill
+
+@item volname @var{volume} is unknown
+Occurs if an attempt is made to mount or reference a volume name which
+has not been declared during the host filesystem definitions.@refill
+
+@item volname @var{volume} not exported from @var{machine}
+Occurs if you attempt to mount the volume @var{volume} from a machine
+which has not declared itself to have such a filesystem
+available.@refill
+
+@item network booting requires both root and swap areas
+Occurs if a machine has mount declarations for either the root partition
+or the swap area, but not both.  You cannot define a machine to only
+partially boot via the network.@refill
+
+@item unknown volname @var{volume} automounted @i{[} on <name> @i{]}
+Occurs if @var{volume} is used in a definition of an automount map but the volume
+name has not been declared during the host filesystem definitions.@refill
+
+@item not allowed '/' in a directory name
+Occurs when a pathname with multiple directory elements is specified as
+the name for an automounter tree.  A tree should only have one name at
+each level.
+
+@item @var{device} has duplicate exportfs data
+Produced if the @samp{exportfs} option is used multiple times within the
+same branch of a filesytem definition. For example, if you attempt to
+set the @samp{exportfs} data at different levels of the mountpoint
+directory tree.@refill
+
+@item sub-directory of @var{directory-tree} is named "default"
+@samp{default} is a keyword used to specify if a mountpoint should be
+automatically calculated by @i{FSinfo}.  If you attempt to specify a
+directory name as this, it will use the filename of @file{default} but
+will produce this warning.@refill
+
+@item pass number for @var{host}:@var{device} is non-zero
+Occurs if @var{device} has its @samp{fstype} declared to be @samp{swap}
+or @samp{export} and the @b{fsck}(8) pass number is set. Swap devices should not be
+fsck'd.  @xref{FSinfo filesystems fstype}@refill
+
+@item dump frequency for @var{host}:@var{device} is non-zero
+Occurs if @var{device} has its @samp{fstype} declared to be @samp{swap}
+or @samp{export} and the @samp{dump} option is set to a value greater
+than zero.  Swap devices should not be dumped.@refill
+
+@end table
+
+@node     Examples, Internals, FSinfo, Top
+@comment  node-name,  next,  previous,  up
+@chapter Examples
+
+@menu
+* User Filesystems::
+* Home Directories::
+* Architecture Sharing::
+* Wildcard names::
+* rwho servers::
+* /vol::
+@end menu
+
+@node     User Filesystems, Home Directories, Examples, Examples
+@comment  node-name,  next,  previous,  up
+@section User Filesystems
+@cindex User filesystems
+@cindex Mounting user filesystems
+
+With more than one fileserver, the directories most frequently
+cross-mounted are those containing user home directories.  A common
+convention used at Imperial College is to mount the user disks under
+@t{/home/}@i{machine}.
+
+Typically, the @samp{/etc/fstab} file contained a long list of entries
+such as:
+
+@example
+@i{machine}:/home/@i{machine} /home/@i{machine} nfs ...
+@end example
+
+for each fileserver on the network.
+
+There are numerous problems with this system.  The mount list can become
+quite large and some of the machines may be down when a system is
+booted.  When a new fileserver is installed, @samp{/etc/fstab} must be
+updated on every machine, the mount directory created and the filesystem
+mounted.
+
+In many environments most people use the same few workstations, but
+it is convenient to go to a colleague's machine and access your own
+files.  When a server goes down, it can cause a process on a client
+machine to hang.  By minimising the mounted filesystems to only include
+those actively being used, there is less chance that a filesystem will
+be mounted when a server goes down.
+
+The following is a short extract from a map taken from a research fileserver
+at Imperial College.
+
+Note the entry for @samp{localhost} which is used for users such as
+the operator (@samp{opr}) who have a home directory on most machine as
+@samp{/home/localhost/opr}.
+
+@example
+/defaults       opts:=rw,intr,grpid,nosuid
+charm           host!=$@{key@};type:=nfs;rhost:=$@{key@};rfs:=/home/$@{key@} \
+                host==$@{key@};type:=ufs;dev:=/dev/xd0g
+#
+...
+
+#
+localhost       type:=link;fs:=$@{host@}
+...
+#
+# dylan has two user disks so have a
+# top directory in which to mount them.
+#
+dylan           type:=auto;fs:=$@{map@};pref:=$@{key@}/
+#
+dylan/dk2       host!=dylan;type:=nfs;rhost:=dylan;rfs:=/home/$@{key@} \
+                host==dylan;type:=ufs;dev:=/dev/dsk/2s0
+#
+dylan/dk5       host!=dylan;type:=nfs;rhost:=dylan;rfs:=/home/$@{key@} \
+                host==dylan;type:=ufs;dev:=/dev/dsk/5s0
+...
+#
+toytown         host!=$@{key@};type:=nfs;rhost:=$@{key@};rfs:=/home/$@{key@} \
+                host==$@{key@};type:=ufs;dev:=/dev/xy1g
+...
+#
+zebedee         host!=$@{key@};type:=nfs;rhost:=$@{key@};rfs:=/home/$@{key@} \
+                host==$@{key@};type:=ufs;dev:=/dev/dsk/1s0
+#
+# Just for access...
+#
+gould           type:=auto;fs:=$@{map@};pref:=$@{key@}/
+gould/staff     host!=gould;type:=nfs;rhost:=gould;rfs:=/home/$@{key@}
+#
+gummo           host!=$@{key@};type:=nfs;rhost:=$@{key@};rfs:=/home/$@{key@}
+...
+@end example
+
+This map is shared by most of the machines listed so on those
+systems any of the user disks is accessible via a consistent name.
+@i{Amd} is started with the following command
+
+@example
+amd /home amd.home
+@end example
+
+Note that when mounting a remote filesystem, the @dfn{automounted}
+mount point is referenced, so that the filesystem will be mounted if
+it is not yet (at the time the remote @samp{mountd} obtains the file handle).
+
+@node     Home Directories, Architecture Sharing, User Filesystems, Examples
+@comment  node-name,  next,  previous,  up
+@section Home Directories
+@cindex Home directories
+@cindex Example of mounting home directories
+@cindex Mount home directories
+
+One convention for home directories is to locate them in @samp{/homes}
+so user @samp{jsp}'s home directory is @samp{/homes/jsp}.  With more
+than a single fileserver it is convenient to spread user files across
+several machines.  All that is required is a mount-map which converts
+login names to an automounted directory.
+
+Such a map might be started by the command:
+
+@example
+amd /homes amd.homes
+@end example
+
+where the map @samp{amd.homes} contained the entries:
+
+@example
+/defaults   type:=link   # All the entries are of type:=link
+jsp         fs:=/home/charm/jsp
+njw         fs:=/home/dylan/dk5/njw
+...
+phjk        fs:=/home/toytown/ai/phjk
+sjv         fs:=/home/ganymede/sjv
+@end example
+
+Whenever a login name is accessed in @samp{/homes} a symbolic link
+appears pointing to the real location of that user's home directory.  In
+this example, @samp{/homes/jsp} would appear to be a symbolic link
+pointing to @samp{/home/charm/jsp}.  Of course, @samp{/home} would also
+be an automount point.
+
+This system causes an extra level of symbolic links to be used.
+Although that turns out to be relatively inexpensive, an alternative is
+to directly mount the required filesystems in the @samp{/homes}
+map.  The required map is simple, but long, and its creation is best automated.
+The entry for @samp{jsp} could be:
+
+@example
+jsp   -sublink:=$@{key@};rfs:=/home/charm \
+               host==charm;type:=ufs;dev:=/dev/xd0g \
+               host!=charm;type:=nfs;rhost:=charm
+@end example
+
+This map can become quite big if it contains a large number of entries.
+By combining two other features of @i{Amd} it can be greatly simplified.
+
+First the UFS partitions should be mounted under the control of
+@samp{/etc/fstab}, taking care that they are mounted in the same place
+that @i{Amd} would have automounted them.  In most cases this would be
+something like @samp{/a/@dfn{host}/home/@dfn{host}} and
+@samp{/etc/fstab} on host @samp{charm} would have a line:@refill
+
+@example
+/dev/xy0g /a/charm/home/charm 4.2 rw,nosuid,grpid 1 5
+@end example
+
+The map can then be changed to:
+
+@example
+/defaults    type:=nfs;sublink:=$@{key@};opts:=rw,intr,nosuid,grpid
+jsp          rhost:=charm;rfs:=/home/charm
+njw          rhost:=dylan;rfs:=/home/dylan/dk5
+...
+phjk         rhost:=toytown;rfs:=/home/toytown;sublink:=ai/$@{key@}
+sjv          rhost:=ganymede;rfs:=/home/ganymede
+@end example
+
+This map operates as usual on a remote machine (@i{ie} @code{$@{host@}}
+not equal to @code{$@{rhost@}}).  On the machine where the filesystem is
+stored (@i{ie} @code{$@{host@}} equal to @code{$@{rhost@}}), @i{Amd}
+will construct a local filesystem mount point which corresponds to the
+name of the locally mounted UFS partition.  If @i{Amd} is started with
+the ``-r'' option then instead of attempting an NFS mount, @i{Amd} will
+simply inherit the UFS mount (@pxref{Inheritance Filesystem}).  If
+``-r'' is not used then a loopback NFS mount will be made.  This type of
+mount is known to cause a deadlock on many systems.
+
+@node     Architecture Sharing, Wildcard Names, Home Directories, Examples
+@comment  node-name,  next,  previous,  up
+@section Architecture Sharing
+@cindex Architecture sharing
+@cindex Sharing a fileserver between architectures
+@cindex Architecture dependent volumes
+
+@c %At the moment some of the research machines have sets of software
+@c %mounted in @samp{/vol}.  This contains subdirectories for \TeX,
+@c %system sources, local sources, prolog libraries and so on.
+Often a filesystem will be shared by machines of different architectures.
+Separate trees can be maintained for the executable images for each
+architecture, but it may be more convenient to have a shared tree,
+with distinct subdirectories.
+
+A shared tree might have the following structure on the fileserver (called
+@samp{fserver} in the example):
+
+@example
+local/tex
+local/tex/fonts
+local/tex/lib
+local/tex/bin
+local/tex/bin/sun3
+local/tex/bin/sun4
+local/tex/bin/hp9000
+...
+@end example
+
+In this example, the subdirectories of @samp{local/tex/bin} should be
+hidden when accessed via the automount point (conventionally @samp{/vol}).
+A mount-map for @samp{/vol} to achieve this would look like:
+
+@example
+/defaults   sublink:=$@{/key@};rhost:=fserver;type:=link
+tex         type:=auto;fs:=$@{map@};pref:=$@{key@}/
+tex/fonts   host!=fserver;type:=nfs;rfs:=/vol/tex \
+            host==fserver;fs:=/usr/local/tex
+tex/lib     host!=fserver;type:=nfs;rfs:=/vol/tex \
+            host==fserver;fs:=/usr/local/tex
+tex/bin     -sublink:=$@{/key@}/$@{arch@} host!=fserver;type:=nfs;rfs:=/vol/tex \
+            host:=fserver;fs:=/usr/local/tex
+@end example
+
+When @samp{/vol/tex/bin} is referenced, the current machine architecture
+is automatically appended to the path by the @code{$@{sublink@}}
+variable.  This means that users can have @samp{/vol/tex/bin} in their
+@samp{PATH} without concern for architecture dependencies.
+
+@node     Wildcard Names, rwho servers, Architecture Sharing, Examples
+@comment  node-name,  next,  previous,  up
+@section Wildcard names & Replicated Servers
+
+By using the wildcard facility, @i{Amd} can @dfn{overlay} an existing
+directory with additional entries.
+The system files are usually mounted under @samp{/usr}.  If instead
+@i{Amd} is mounted on @samp{/usr}, additional
+names can be overlayed to augment or replace names in the ``master'' @samp{/usr}.
+A map to do this would have the form:
+
+@example
+local  type:=auto;fs:=local-map
+share  type:=auto;fs:=share-map
+*      -type:=nfs;rfs:=/export/exec/$@{arch@};sublink:="$@{key@}" \
+        rhost:=fserv1  rhost:=fserv2  rhost:=fserv3
+@end example
+
+Note that the assignment to @code{$@{sublink@}} is surrounded by double
+quotes to prevent the incoming key from causing the map to be
+misinterpreted.  This map has the effect of directing any access to
+@samp{/usr/local} or @samp{/usr/share} to another automount point.
+
+In this example, it is assumed that the @samp{/usr} files are replicated
+on three fileservers: @samp{fserv1}, @samp{fserv2} and @samp{fserv3}.
+For any references other than to @samp{local} and @samp{share} one of
+the servers is used and a symbolic link to
+@t{$@{autodir@}/$@{rhost@}/export/exec/$@{arch@}/@i{whatever}} is
+returned once an appropriate filesystem has been mounted.@refill
+
+@node     rwho servers, /vol, Wildcard Names, Examples
+@comment  node-name,  next,  previous,  up
+@section @samp{rwho} servers
+@cindex rwho servers
+@cindex Architecture specific mounts
+@cindex Example of architecture specific mounts
+
+The @samp{/usr/spool/rwho} directory is a good candidate for automounting.
+For efficiency reasons it is best to capture the rwho data on a small
+number of machines and then mount that information onto a large number
+of clients.  The data written into the rwho files is byte order dependent
+so only servers with the correct byte ordering can be used by a client:
+
+@example
+/defaults         type:=nfs
+usr/spool/rwho    -byte==little;rfs:=/usr/spool/rwho \
+                      rhost:=vaxA  rhost:=vaxB \
+                  || -rfs:=/usr/spool/rwho \
+                      rhost:=sun4  rhost:=hp300
+@end example
+
+@node     /vol, , rwho servers, Examples
+@comment  node-name,  next,  previous,  up
+@section @samp{/vol}
+@cindex /vol
+@cindex Catch-all mount point
+@cindex Generic volume name
+
+@samp{/vol} is used as a catch-all for volumes which do not have other
+conventional names.
+
+Below is part of the @samp{/vol} map for the domain @samp{doc.ic.ac.uk}.
+The @samp{r+d} tree is used for new or experimental software that needs
+to be available everywhere without installing it on all the fileservers.
+Users wishing to try out the new software then simply include
+@samp{/vol/r+d/@{bin,ucb@}} in their path.@refill
+
+The main tree resides on one host @samp{gould.doc.ic.ac.uk}, which has
+different @samp{bin}, @samp{etc}, @samp{lib} and @samp{ucb}
+sub-directories for each machine architecture.  For example,
+@samp{/vol/r+d/bin} for a Sun-4 would be stored in the sub-directory
+@samp{bin/sun4} of the filesystem @samp{/usr/r+d}.  When it was accessed
+a symbolic link pointing to @samp{/a/gould/usr/r+d/bin/sun4} would be
+returned.@refill
+
+@example
+/defaults    type:=nfs;opts:=rw,grpid,nosuid,intr,soft
+wp           -opts:=rw,grpid,nosuid;rhost:=charm \
+             host==charm;type:=link;fs:=/usr/local/wp \
+             host!=charm;type:=nfs;rfs:=/vol/wp
+...
+#
+src          -opts:=rw,grpid,nosuid;rhost:=charm \
+             host==charm;type:=link;fs:=/usr/src \
+             host!=charm;type:=nfs;rfs:=/vol/src
+#
+r+d          type:=auto;fs:=$@{map@};pref:=r+d/
+# per architecture bin,etc,lib&ucb...
+r+d/bin      rhost:=gould.doc.ic.ac.uk;rfs:=/usr/r+d;sublink:=$@{/key@}/$@{arch@}
+r+d/etc      rhost:=gould.doc.ic.ac.uk;rfs:=/usr/r+d;sublink:=$@{/key@}/$@{arch@}
+r+d/include  rhost:=gould.doc.ic.ac.uk;rfs:=/usr/r+d;sublink:=$@{/key@}
+r+d/lib      rhost:=gould.doc.ic.ac.uk;rfs:=/usr/r+d;sublink:=$@{/key@}/$@{arch@}
+r+d/man      rhost:=gould.doc.ic.ac.uk;rfs:=/usr/r+d;sublink:=$@{/key@}
+r+d/src      rhost:=gould.doc.ic.ac.uk;rfs:=/usr/r+d;sublink:=$@{/key@}
+r+d/ucb      rhost:=gould.doc.ic.ac.uk;rfs:=/usr/r+d;sublink:=$@{/key@}/$@{arch@}
+# hades pictures
+pictures     -opts:=rw,grpid,nosuid;rhost:=thpfs \
+             host==thpfs;type:=link;fs:=/nbsd/pictures \
+             host!=thpfs;type:=nfs;rfs:=/nbsd;sublink:=pictures
+# hades tools
+hades        -opts:=rw,grpid,nosuid;rhost:=thpfs \
+             host==thpfs;type:=link;fs:=/nbsd/hades \
+             host!=thpfs;type:=nfs;rfs:=/nbsd;sublink:=hades
+# bsd tools for hp.
+bsd          -opts:=rw,grpid,nosuid;arch==hp9000;rhost:=thpfs \
+             host==thpfs;type:=link;fs:=/nbsd/bsd \
+             host!=thpfs;type:=nfs;rfs:=/nbsd;sublink:=bsd
+@end example
+
+@node     Internals, Acknowledgements & Trademarks, Examples, Top
+@comment  node-name,  next,  previous,  up
+@chapter Internals
+
+@menu
+* Log Messages::
+@end menu
+
+@node     Log Messages, , Internals, Internals
+@comment  node-name,  next,  previous,  up
+@section Log Messages
+
+In the following sections a brief explanation is given of some of the
+log messages made by @i{Amd}.  Where the message is in @samp{typewriter}
+font, it corresponds exactly to the message produced by @i{Amd}.  Words
+in @dfn{italic} are replaced by an appropriate string.  Variables,
+@code{$@{var@}}, indicate that the value of the appropriate variable is
+output.
+
+Log messages are either sent direct to a file,
+or logged via the @b{syslog}(3) mechanism.
+Messages are logged with facility @samp{LOG_DAEMON} when using @b{syslog}(3).
+In either case, entries in the file are of the form:
+@example
+@i{date-string}  @i{hostname} @t{amd[}@i{pid}@t{]}  @i{message}
+@end example
+
+@menu
+* Fatal errors::
+* Info messages::
+@end menu
+
+@node     Fatal errors, Info messages, Log Messages, Log Messages
+@comment  node-name,  next,  previous,  up
+@subsection Fatal errors
+
+@i{Amd} attempts to deal with unusual events.  Whenever it is not
+possible to deal with such an error, @i{Amd} will log an appropriate
+message and, if it cannot possibly continue, will either exit or abort.
+These messages are selected by @samp{-x fatal} on the command line.
+When @b{syslog}(3) is being used, they are logged with level
+@samp{LOG_FATAL}.  Even if @i{Amd} continues to operate it is likely to
+remain in a precarious state and should be restarted at the earliest
+opportunity.
+
+@table @asis
+@item @t{Attempting to inherit not-a-filesystem}
+The prototype mount point created during a filesystem restart did not
+contain a reference to the restarted filesystem.  This erorr ``should
+never happen''.
+
+@item @t{Can't bind to domain "@i{NIS-domain}"}
+A specific NIS domain was requested on the command line, but no server
+for that domain is available on the local net.
+
+@item @t{Can't determine IP address of this host (@i{hostname})}
+When @i{Amd} starts it determines its own IP address.  If this lookup
+fails then @i{Amd} cannot continue.  The hostname it looks up is that
+obtained returned by @b{gethostname}(2) system call.
+
+@item @t{Can't find root file handle for @i{automount point}}
+@i{Amd} creates its own file handles for the automount points.  When it
+mounts itself as a server, it must pass these file handles to the local
+kernel.  If the filehandle is not obtainable the mount point is ignored.
+This error ``should never happen''.
+
+@item @t{Must be root to mount filesystems (euid = @i{euid})}
+To prevent embarrassment, @i{Amd} makes sure it has appropriate system
+privileges.  This amounts to having an euid of 0.  The check is made
+after argument processing complete to give non-root users a chance to
+access the ``-v'' option.
+
+@item @t{No work to do - quitting}
+No automount points were given on the command line and so there is no
+work to do.
+
+@item @t{Out of memory in realloc}
+While attempting to realloc some memory, the memory space available to
+@i{Amd} was exhausted.  This is an unrecoverable error.
+
+@item @t{Out of memory}
+While attempting to malloc some memory, the memory space available to
+@i{Amd} was exhausted.  This is an unrecoverable error.
+
+@item @t{cannot create rpc/udp service}
+Either the NFS or AMQ endpoint could not be created.
+
+@item @t{gethostname:} @i{description}
+The @b{gethostname}(2) system call failed during startup.
+
+@item @t{host name is not set}
+The @b{gethostname}(2) system call returned a zero length host name.
+This can happen if @i{Amd} is started in single user mode just after
+booting the system.
+
+@item @t{ifs_match called!}
+An internal error occurred while restarting a pre-mounted filesystem.
+This error ``should never happen''.
+
+@item @t{mount_afs:} @i{description}
+An error occured while @i{Amd} was mounting itself.
+
+@item @t{run_rpc failed}
+Somehow the main NFS server loop failed.  This error ``should never
+happen''.
+
+@item @t{unable to free rpc arguments in amqprog_1}
+The incoming arguments to the AMQ server could not be free'ed.
+
+@item @t{unable to free rpc arguments in nfs_program_1}
+The incoming arguments to the NFS server could not be free'ed.
+
+@item @t{unable to register (AMQ_PROGRAM, AMQ_VERSION, udp)}
+The AMQ server could not be registered with the local portmapper or the
+internal RPC dispatcher.
+
+@item @t{unable to register (NFS_PROGRAM, NFS_VERSION, 0)}
+The NFS server could not be registered with the internal RPC dispatcher.
+
+@end table
+
+@node     Info messages, , Fatal errors, Log Messages
+@comment  node-name,  next,  previous,  up
+@subsection Info messages
+
+@i{Amd} generates information messages to record state changes.  These
+messages are selected by @samp{-x info} on the command line.  When
+@b{syslog}(3) is being used, they are logged with level @samp{LOG_INFO}.
+
+The messages listed below can be generated and are in a format suitable
+for simple statistical analysis.  @dfn{mount-info} is the string
+that is displayed by @dfn{Amq} in its mount information column and
+placed in the system mount table.
+
+@table @asis
+@item @t{mount of "@t{$@{@i{path}@}}" on @t{$@{@i{fs}@}} timed out}
+Attempts to mount a filesystem for the given automount point have failed
+to complete within 30 seconds.
+
+@item @t{"@t{$@{@i{path}@}}" forcibly timed out}
+An automount point has been timed out by the @i{Amq} command.
+
+@item @t{restarting @i{mount-info} on @t{$@{@i{fs}@}}}
+A pre-mounted file system has been noted.
+
+@item @t{"@t{$@{@i{path}@}}" has timed out}
+No access to the automount point has been made within the timeout
+period.
+
+@item @t{file server @t{$@{@i{rhost}@}} is down - timeout of "@t{$@{@i{path}@}}" ignored}
+An automount point has timed out, but the corresponding file server is
+known to be down.  This message is only produced once for each mount
+point for which the server is down.
+
+@item @t{Re-synchronizing cache for map @t{$@{@i{map}@}}}
+The named map has been modified and the internal cache is being re-synchronized.
+
+@item @t{Filehandle denied for "@t{$@{@i{rhost}@}}:@t{$@{@i{rfs}@}}"}
+The mount daemon refused to return a file handle for the requested filesystem.
+
+@item @t{Filehandle error for "$@{@i{rhost}@}:$@{@i{rfs}@}":} @i{description}
+The mount daemon gave some other error for the requested filesystem.
+
+@item @t{file server @t{$@{@i{rhost}@}} type nfs starts up}
+A new NFS file server has been referenced and is known to be up.
+
+@item @t{file server @t{$@{@i{rhost}@}} type nfs starts down}
+A new NFS file server has been referenced and is known to be down.
+
+@item @t{file server @t{$@{@i{rhost}@}} type nfs is up}
+An NFS file server that was previously down is now up.
+
+@item @t{file server @t{$@{@i{rhost}@}} type nfs is down}
+An NFS file server that was previously up is now down.
+
+@item @t{Finishing with status @i{exit-status}}
+@i{Amd} is about to exit with the given exit status. 
+
+@item @t{@i{mount-info} mounted fstype @t{$@{@i{type}@}} on @t{$@{@i{fs}@}}}
+A new file system has been mounted.
+
+@item @t{@i{mount-info} restarted fstype @t{$@{@i{type}@}} on @t{$@{@i{fs}@}}}
+@i{Amd} is using a pre-mounted filesystem to satisfy a mount request.
+
+@item @t{@i{mount-info} unmounted fstype @t{$@{@i{type}@}} from @t{$@{@i{fs}@}}}
+A file system has been unmounted.
+
+@item @t{@i{mount-info} unmounted fstype @t{$@{@i{type}@}} from @t{$@{@i{fs}@}} link @t{$@{@i{fs}@}}/@t{$@{@i{sublink}@}}}
+A file system of which only a sub-directory was in use has been unmounted.
+
+@end table
+
+@node     Acknowledgements & Trademarks, Index, Internals, Top
+@comment  node-name,  next,  previous,  up
+@unnumbered Acknowledgements & Trademarks
+
+Thanks to the Formal Methods Group at Imperial College for
+suffering patiently while @i{Amd} was being developed on their machines.
+
+Thanks to the many people who have helped with the development of
+@i{Amd}, especially Piete Brooks at the Cambridge University Computing
+Lab for many hours of testing, experimentation and discussion.
+
+@itemize @bullet
+@item
+@b{DEC}, @b{VAX} and @b{Ultrix} are registered trademarks of Digital
+Equipment Corporation.
+@item
+@b{AIX} and @b{IBM} are registered trademarks of International Business
+Machines Corporation.
+@item
+@b{Sun}, @b{NFS} and @b{SunOS} are registered trademarks of Sun
+Microsystems, Inc.
+@item
+@b{Unix} is a registered trademark of AT&T Unix Systems Laboratories
+in the USA and other countries.
+@end itemize
+
+@node Index, Intro, Acknowledgements & Trademarks, Top
+@comment  node-name,  next,  previous,  up
+@unnumbered Index
+
+@printindex cp
+
+@contents
+@bye
diff --git a/usr.sbin/amd/doc/texinfo.tex b/usr.sbin/amd/doc/texinfo.tex
new file mode 100644
index 0000000..73528ed
--- /dev/null
+++ b/usr.sbin/amd/doc/texinfo.tex
@@ -0,0 +1,2192 @@
+%% TeX macros to handle texinfo files
+
+%   Copyright (C) 1985, 1986, 1988 Free Software Foundation, Inc.
+
+%GNU CC is free software; you can redistribute it and/or modify
+%it under the terms of the GNU General Public License as published by
+%the Free Software Foundation; either version 1, or (at your option)
+%any later version.
+
+%GNU CC is distributed in the hope that it will be useful,
+%but WITHOUT ANY WARRANTY; without even the implied warranty of
+%MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+%GNU General Public License for more details.
+
+%You should have received a copy of the GNU General Public License
+%along with GNU CC; see the file COPYING.  If not, write to
+%the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+
+
+%In other words, you are welcome to use, share and improve this program.
+%You are forbidden to forbid anyone else to use, share and improve
+%what you give them.   Help stamp out software-hoarding!
+
+\def\texinfoversion{1.26}
+\message{Loading texinfo package [Version \texinfoversion]:}
+\message{}
+
+% Save some parts of plain tex whose names we will redefine.
+
+\let\ptexlbrace=\{
+\let\ptexrbrace=\}
+\let\ptexdot=\.
+\let\ptexstar=\*
+\let\ptexend=\end
+\let\ptexbullet=\bullet
+\let\ptexb=\b
+\let\ptexc=\c
+\let\ptexi=\i
+\let\ptext=\t
+\let\ptexl=\l
+\let\ptexL=\L
+
+\def\tie{\penalty 10000\ }     % Save plain tex definition of ~.
+
+\message{Basics,}
+\chardef\other=12
+
+\hyphenation{ap-pen-dix}
+\hyphenation{mini-buf-fer mini-buf-fers}
+\hyphenation{eshell}
+
+% Margin to add to right of even pages, to left of odd pages.
+\newdimen \bindingoffset  \bindingoffset=0pt
+\newdimen \normaloffset   \normaloffset=\hoffset
+\newdimen\pagewidth \newdimen\pageheight
+\pagewidth=\hsize \pageheight=\vsize
+
+%---------------------Begin change-----------------------
+%
+% Dimensions to add cropmarks at corners Added by P. A. MacKay, 12 Nov. 1986
+%
+\newdimen\cornerlong \newdimen\cornerthick
+\newdimen \topandbottommargin
+\newdimen \outerhsize \newdimen \outervsize
+\cornerlong=1pc\cornerthick=.3pt	% These set size of cropmarks
+\outerhsize=7in
+\outervsize=9.5in
+\topandbottommargin=.75in
+%
+%---------------------End change-----------------------
+
+% \onepageout takes a vbox as an argument.  Note that \pagecontents
+% does insertions itself, but you have to call it yourself.
+\chardef\PAGE=255  \output={\onepageout{\pagecontents\PAGE}}
+\def\onepageout#1{\hoffset=\normaloffset
+\ifodd\pageno  \advance\hoffset by \bindingoffset
+\else \advance\hoffset by -\bindingoffset\fi
+\shipout\vbox{{\let\hsize=\pagewidth \makeheadline} \pagebody{#1}%
+ {\let\hsize=\pagewidth \makefootline}}
+\advancepageno \ifnum\outputpenalty>-20000 \else\dosupereject\fi}
+
+
+% Here is a modification of the main output routine for Near East Publications
+% This provides right-angle cropmarks at all four corners.
+% The contents of the page are centerlined into the cropmarks,
+% and any desired binding offset is added as an \hskip on either
+% site of the centerlined box.  (P. A. MacKay, 12 November, 1986)
+%
+\def\croppageout#1{\hoffset=0pt % make sure this doesn't mess things up
+		 \shipout
+		 \vbox to \outervsize{\hsize=\outerhsize
+                 \vbox{\line{\ewtop\hfill\ewtop}}
+                 \nointerlineskip
+                 \line{\vbox{\moveleft\cornerthick\nstop}
+                       \hfill
+                       \vbox{\moveright\cornerthick\nstop}}
+                 \vskip \topandbottommargin
+                 \centerline{\ifodd\pageno\hskip\bindingoffset\fi
+			\vbox{
+			{\let\hsize=\pagewidth \makeheadline}
+			\pagebody{#1}
+			{\let\hsize=\pagewidth \makefootline}}
+			\ifodd\pageno\else\hskip\bindingoffset\fi}
+		 \vskip \topandbottommargin plus1fill minus1fill
+                 \boxmaxdepth\cornerthick
+                 \line{\vbox{\moveleft\cornerthick\nsbot}
+                       \hfill
+                       \vbox{\moveright\cornerthick\nsbot}}
+                 \nointerlineskip
+                 \vbox{\line{\ewbot\hfill\ewbot}}
+	}
+  \advancepageno 
+  \ifnum\outputpenalty>-20000 \else\dosupereject\fi}
+%
+% Do @cropmarks to get crop marks
+\def\cropmarks{\let\onepageout=\croppageout }
+
+\def\pagebody#1{\vbox to\pageheight{\boxmaxdepth=\maxdepth #1}}
+{\catcode`\@ =11
+\gdef\pagecontents#1{\ifvoid\topins\else\unvbox\topins\fi
+\dimen@=\dp#1 \unvbox#1
+\ifvoid\footins\else\vskip\skip\footins\footnoterule \unvbox\footins\fi
+\ifr@ggedbottom \kern-\dimen@ \vfil \fi}
+}
+
+%
+% Here are the rules for the cropmarks.  Note that they are
+% offset so that the space between them is truly \outerhsize or \outervsize
+% (P. A. MacKay, 12 November, 1986)
+%
+\def\ewtop{\vrule height\cornerthick depth0pt width\cornerlong}
+\def\nstop{\vbox
+  {\hrule height\cornerthick depth\cornerlong width\cornerthick}}
+\def\ewbot{\vrule height0pt depth\cornerthick width\cornerlong}
+\def\nsbot{\vbox
+  {\hrule height\cornerlong depth\cornerthick width\cornerthick}}
+
+% Parse an argument, then pass it to #1.
+% The argument can be delimited with [...] or with "..." or braces
+% or it can be a whole line.
+% #1 should be a macro which expects
+% an ordinary undelimited TeX argument.
+
+\def\parsearg #1{\let\next=#1\begingroup\obeylines\futurelet\temp\parseargx}
+
+\def\parseargx{%
+\ifx \obeyedspace\temp \aftergroup\parseargdiscardspace \else%
+\aftergroup \parseargline %
+\fi \endgroup}
+
+{\obeyspaces %
+\gdef\parseargdiscardspace {\begingroup\obeylines\futurelet\temp\parseargx}}
+
+\gdef\obeyedspace{\ }
+
+\def\parseargline{\begingroup \obeylines \parsearglinex}
+{\obeylines %
+\gdef\parsearglinex #1^^M{\endgroup \next {#1}}}
+
+\def\flushcr{\ifx\par\lisppar \def\next##1{}\else \let\next=\relax \fi \next}
+
+%% These are used to keep @begin/@end levels from running away
+%% Call \inENV within environments (after a \begingroup)
+\newif\ifENV \ENVfalse \def\inENV{\ifENV\relax\else\ENVtrue\fi}
+\def\ENVcheck{%
+\ifENV\errmessage{Still within an environment.  Type Return to continue.}
+\endgroup\fi} % This is not perfect, but it should reduce lossage
+
+% @begin foo  is the same as @foo, for now.
+\newhelp\EMsimple{Type <Return> to continue}
+
+\outer\def\begin{\parsearg\beginxxx}
+
+\def\beginxxx #1{%
+\expandafter\ifx\csname #1\endcsname\relax
+{\errhelp=\EMsimple \errmessage{Undefined command @begin #1}}\else
+\csname #1\endcsname\fi}
+
+%% @end foo executes the definition of \Efoo.
+%% foo can be delimited by doublequotes or brackets.
+
+\def\end{\parsearg\endxxx}
+
+\def\endxxx #1{%
+\expandafter\ifx\csname E#1\endcsname\relax
+\expandafter\ifx\csname #1\endcsname\relax
+\errmessage{Undefined command @end #1}\else
+\errorE{#1}\fi\fi
+\csname E#1\endcsname}
+\def\errorE#1{
+{\errhelp=\EMsimple \errmessage{@end #1 not within #1 environment}}}
+
+% Single-spacing is done by various environments.
+
+\newskip\singlespaceskip \singlespaceskip = \baselineskip
+\def\singlespace{%
+{\advance \baselineskip by -\singlespaceskip
+\kern \baselineskip}%
+\baselineskip=\singlespaceskip
+}
+
+%% Simple single-character @ commands
+
+% @@ prints an @
+% Kludge this until the fonts are right (grr).
+\def\@{{\sf \char '100}}
+
+% Define @` and @' to be the same as ` and '
+% but suppressing ligatures.
+\def\`{{`}}
+\def\'{{'}}
+
+% Used to generate quoted braces.
+
+\def\mylbrace {{\tt \char '173}}
+\def\myrbrace {{\tt \char '175}}
+\let\{=\mylbrace
+\let\}=\myrbrace
+
+% @: forces normal size whitespace following.
+\def\:{\spacefactor=1000 }
+
+% @* forces a line break.
+\def\*{\hfil\break}
+
+% @. is an end-of-sentence period.
+\def\.{.\spacefactor=3000 }
+
+% @w prevents a word break
+\def\w #1{\hbox{#1}}
+
+% @group ... @end group  forces ... to be all on one page.
+
+\def\group{\begingroup% \inENV ???
+\def \Egroup{\egroup\endgroup}
+\vbox\bgroup}
+
+% @br   forces paragraph break
+
+\let\br = \par
+
+% @dots{}  output some dots
+
+\def\dots{$\ldots$}
+
+% @page    forces the start of a new page
+
+\def\page{\par\vfill\supereject}
+
+% @exdent text....
+% outputs text on separate line in roman font, starting at standard page margin
+
+\def\exdent{\errmessage{@exdent in filled text}}
+  % @lisp, etc, define \exdent locally from \internalexdent
+
+{\obeyspaces
+\gdef\internalexdent{\parsearg\exdentzzz}}
+
+\def\exdentzzz #1{{\advance \leftskip by -\lispnarrowing
+\advance \hsize by -\leftskip
+\advance \hsize by -\rightskip
+\leftline{{\rm#1}}}}
+
+% @include file    insert text of that file as input.
+
+\def\include{\parsearg\includezzz}
+\def\includezzz #1{{\def\thisfile{#1}\input #1
+}}
+
+\def\thisfile{}
+
+% @center line   outputs that line, centered
+
+\def\center{\parsearg\centerzzz}
+\def\centerzzz #1{{\advance\hsize by -\leftskip
+\advance\hsize by -\rightskip
+\centerline{#1}}}
+
+% @sp n   outputs n lines of vertical space
+
+\def\sp{\parsearg\spxxx}
+\def\spxxx #1{\par \vskip #1\baselineskip}
+
+% @comment ...line which is ignored...
+% @c is the same as @comment
+% @ignore ... @end ignore  is another way to write a comment
+
+\def\comment{\parsearg \commentxxx}
+
+\def\commentxxx #1{}
+
+\let\c=\comment
+
+% Prevent errors for section commands.
+% Used in @ignore and in failing conditionals.
+\def\ignoresections{%
+\let\chapter=\relax
+\let\unnumbered=\relax
+\let\unnumberedsec=\relax
+\let\unnumberedsection=\relax
+\let\unnumberedsubsec=\relax
+\let\unnumberedsubsection=\relax
+\let\unnumberedsubsubsec=\relax
+\let\unnumberedsubsubsection=\relax
+\let\section=\relax
+\let\subsec=\relax
+\let\subsubsec=\relax
+\let\subsection=\relax
+\let\subsubsection=\relax
+\let\appendix=\relax
+\let\appendixsec=\relax
+\let\appendixsection=\relax
+\let\appendixsubsec=\relax
+\let\appendixsubsection=\relax
+\let\appendixsubsubsec=\relax
+\let\appendixsubsubsection=\relax
+}
+
+\def\ignore{\begingroup\ignoresections\ignorexxx}
+\long\def\ignorexxx #1\end ignore{\endgroup}
+
+% Conditionals to test whether a flag is set.
+
+\outer\def\ifset{\begingroup\ignoresections\parsearg\ifsetxxx}
+
+\def\ifsetxxx #1{\endgroup
+\expandafter\ifx\csname IF#1\endcsname\relax \let\temp=\ifsetfail
+\else \let\temp=\relax \fi
+\temp}
+\def\Eifset{}
+\def\ifsetfail{\begingroup\ignoresections\ifsetfailxxx}
+\long\def\ifsetfailxxx #1\end ifset{\endgroup}
+
+\outer\def\ifclear{\begingroup\ignoresections\parsearg\ifclearxxx}
+
+\def\ifclearxxx #1{\endgroup
+\expandafter\ifx\csname IF#1\endcsname\relax \let\temp=\relax
+\else \let\temp=\ifclearfail \fi
+\temp}
+\def\Eifclear{}
+\def\ifclearfail{\begingroup\ignoresections\ifclearfailxxx}
+\long\def\ifclearfailxxx #1\end ifclear{\endgroup}
+
+% Some texinfo constructs that are trivial in tex
+
+\def\iftex{}
+\def\Eiftex{}
+\def\ifinfo{\begingroup\ignoresections\ifinfoxxx}
+\long\def\ifinfoxxx #1\end ifinfo{\endgroup}
+\long\def\menu #1\end menu{}
+\def\asis#1{#1}
+
+\def\node{\parsearg\nodezzz}
+\def\nodezzz#1{\nodexxx [#1,]}
+\def\nodexxx[#1,#2]{\gdef\lastnode{#1}}
+\let\lastnode=\relax
+
+\def\donoderef{\ifx\lastnode\relax\else
+\expandafter\expandafter\expandafter\setref{\lastnode}\fi
+\let\lastnode=\relax}
+
+\def\unnumbnoderef{\ifx\lastnode\relax\else
+\expandafter\expandafter\expandafter\unnumbsetref{\lastnode}\fi
+\let\lastnode=\relax}
+
+\let\refill=\relax
+  
+% @setfilename is done at the beginning of every texinfo file.
+% So open here the files we need to have open while reading the input.
+% This makes it possible to make a .fmt file for texinfo.
+\def\setfilename{%
+   \readauxfile
+   \opencontents
+   \openindices
+   \fixbackslash  % Turn off hack to swallow `\input texinfo'.
+   \comment % Ignore the actual filename.
+}
+
+\outer\def\bye{\pagealignmacro\tracingstats=1\ptexend}
+
+\def\inforef #1{\inforefzzz #1,,,,**}
+\def\inforefzzz #1,#2,#3,#4**{See Info file \file{\losespace#3{}}, node `\losespace#1{}'}
+\def\losespace #1{#1}
+
+\message{fonts,}
+
+% Font-change commands.
+
+%% Try out Computer Modern fonts at \magstephalf
+\font\tenrm=cmr10 scaled \magstephalf
+\font\tentt=cmtt10 scaled \magstephalf
+% Instead of cmb10, you many want to use cmbx10.
+% cmbx10 is a prettier font on its own, but cmb10
+% looks better when embedded in a line with cmr10.
+\font\tenbf=cmb10 scaled \magstephalf 
+\font\tenit=cmti10 scaled \magstephalf
+\font\tensl=cmsl10 scaled \magstephalf
+\font\tensf=cmss10 scaled \magstephalf
+\def\li{\sf}
+\font\tensc=cmcsc10 scaled \magstephalf
+
+% Fonts for @defun, etc.
+\font\defbf=cmbx10 scaled \magstep1 %was 1314
+\let\deftt=\tentt
+\def\df{\let\tt=\deftt \defbf}
+
+% Font for title
+\font\titlerm = cmbx10 scaled \magstep5
+
+% Fonts for indices
+\font\indit=cmti9 \font\indrm=cmr9
+\def\indbf{\indrm} \def\indsl{\indit}
+\def\indexfonts{\let\it=\indit \let\sl=\indsl \let\bf=\indbf \let\rm=\indrm}
+
+% Fonts for headings
+\font\chaprm=cmbx10 scaled \magstep3
+\font\chapit=cmti10 scaled \magstep3
+\font\chapsl=cmsl10 scaled \magstep3
+\font\chaptt=cmtt10 scaled \magstep3
+\font\chapsf=cmss10 scaled \magstep3
+\let\chapbf=\chaprm
+
+\font\secrm=cmbx10 scaled \magstep2
+\font\secit=cmti10 scaled \magstep2
+\font\secsl=cmsl10 scaled \magstep2
+\font\sectt=cmtt10 scaled \magstep2
+\font\secsf=cmss10 scaled \magstep2
+\let\secbf=\secrm
+
+% \font\ssecrm=cmbx10 scaled \magstep1    % This size an fontlooked bad.
+% \font\ssecit=cmti10 scaled \magstep1    % The letters were too crowded.
+% \font\ssecsl=cmsl10 scaled \magstep1
+% \font\ssectt=cmtt10 scaled \magstep1
+% \font\ssecsf=cmss10 scaled \magstep1
+
+\font\ssecrm=cmb10 at 13pt	% Note the use of cmb rather than cmbx.
+\font\ssecit=cmti10 at 13pt	% Also, the size is a little larger than
+\font\ssecsl=cmsl10 at 13pt	% being scaled magstep1.
+\font\ssectt=cmtt10 at 13pt
+\font\ssecsf=cmss10 at 13pt
+
+\let\ssecbf=\ssecrm
+
+\def\textfonts{\let\rm=\tenrm\let\it=\tenit\let\sl=\tensl\let\bf=\tenbf%
+\let\smallcaps=\tensc\let\sf=\tensf}
+\def\chapfonts{\let\rm=\chaprm\let\it=\chapit\let\sl=\chapsl\let\bf=\chapbf\let\tt=\chaptt\let\sf=\chapsf}
+\def\secfonts{\let\rm=\secrm\let\it=\secit\let\sl=\secsl\let\bf=\secbf\let\tt=\sectt\let\sf=\secsf}
+\def\subsecfonts{\let\rm=\ssecrm\let\it=\ssecit\let\sl=\ssecsl\let\bf=\ssecbf\let\tt=\ssectt\let\sf=\ssecsf}
+% Count depth in font-changes, for error checks
+\newcount\fontdepth \fontdepth=0
+
+% Font for table of contents.
+\font\truesecrm=cmr12
+
+%% Add scribe-like font environments, plus @l for inline lisp (usually sans
+%% serif) and @ii for TeX italic
+
+\def\i#1{{\sl #1}}
+\let\var=\i
+\let\dfn=\i
+\let\emph=\i
+\let\cite=\i
+
+\def\b#1{{\bf #1}}
+\let\strong=\b
+
+\def\t#1{{\tt \rawbackslash \frenchspacing #1}\null}
+\let\ttfont = \t
+\let\kbd=\t
+\let\code=\t
+\def\samp #1{`{\tt \rawbackslash \frenchspacing #1}'\null}
+\def\key #1{{\tt \uppercase{#1}}\null}
+\def\ctrl #1{{\tt \rawbackslash \hat}#1}
+
+\let\file=\samp
+
+\def\l#1{{\li #1}\null}		% 
+
+\def\r#1{{\rm #1}}		% roman font
+\def\sc#1{{\\smallcaps #1}}	% smallcaps font
+\def\ii#1{{\it #1}}		% italic font
+
+\def\titlefont#1{{\titlerm #1}}
+
+% Make altmode in file print out right
+
+\catcode `\^^[=\active \def^^[{$\diamondsuit$}
+
+\message{page headings,}
+
+\newskip\titlepagetopglue \titlepagetopglue = 1.5in
+\newskip\titlepagebottomglue \titlepagebottomglue = 2pc
+
+% First the title page.  Must do @settitle before @titlepage.
+\font\titlerm = cmbx12 scaled \magstep2
+\def\titlefont#1{{\titlerm #1}}
+
+\newtoks\realeverypar
+\newif\ifseenauthor
+
+\def\titlepage{\begingroup \parindent=0pt \textfonts
+   \font\subtitlerm = cmr10 scaled \magstephalf
+   \def\subtitlefont{\subtitlerm \normalbaselineskip = 12pt \normalbaselines}%
+   %
+   \font\authorrm = cmbx12 scaled \magstep1
+   \def\authorfont{\authorrm \normalbaselineskip = 16pt \normalbaselines}%
+   %
+   % The first subtitle should have some space before it, but not the
+   % others.  They all should be ragged left.
+% ??? This code turned off because (1) it is wrong for all old title
+% pages, and (2) it makes an extra group which never is ended.
+%   \begingroup \realeverypar = {\leftskip = 2in plus 3em minus 1em
+%                    \parfillskip = 0pt}%
+%   \everypar = {\vglue \baselineskip \the\realeverypar
+%                \everypar={\the\realeverypar}}%
+   %
+   % Now you can print the title using @title.
+   \def\title{\parsearg\titlezzz}%
+   \def\titlezzz##1{\leftline{\titlefont{##1}
+		    \vskip4pt \hrule height 4pt \vskip4pt}%
+   \vglue\titlepagetopglue
+   %
+   % Now you can put text using @subtitle.
+   \def\subtitle{\parsearg\subtitlezzz}%
+   \def\subtitlezzz##1{{\subtitlefont \rightline{##1}}}%
+   %
+   % @author should come last, but may come many times.
+   \def\author{\parsearg\authorzzz}%
+   \def\authorzzz##1{\ifseenauthor\else\vskip 0pt plus 1filll\seenauthortrue\fi
+      {\authorfont \leftline{##1}}}%
+   %  
+   % Most title ``pages'' are actually two pages long, with space
+   % at the top of the second.  We don't want the ragged left on the second.
+   \let\oldpage = \page
+%   \def\page{\vskip4pt \hrule height 2pt \vskip\titlepagebottomglue
+%      \oldpage \endgroup\hrule height0pt\relax}%
+   \def\page{\oldpage \hbox{}}}
+}
+
+\def\Etitlepage{\endgroup\page\HEADINGSon}
+
+%%% Set up page headings and footings.
+
+\let\thispage=\folio
+
+\newtoks \evenheadline    % Token sequence for heading line of even pages
+\newtoks \oddheadline     % Token sequence for heading line of odd pages
+\newtoks \evenfootline    % Token sequence for footing line of even pages
+\newtoks \oddfootline     % Token sequence for footing line of odd pages
+
+% Now make Tex use those variables
+\headline={{\textfonts\rm \ifodd\pageno \the\oddheadline \else \the\evenheadline \fi}}
+\footline={{\textfonts\rm \ifodd\pageno \the\oddfootline \else \the\evenfootline \fi}}
+
+% Commands to set those variables.
+% For example, this is what  @headings on  does
+% @evenheading @thistitle|@thispage|@thischapter
+% @oddheading @thischapter|@thispage|@thistitle
+% @evenfooting @thisfile||
+% @oddfooting ||@thisfile
+
+\def\evenheading{\parsearg\evenheadingxxx}
+\def\oddheading{\parsearg\oddheadingxxx}
+\def\everyheading{\parsearg\everyheadingxxx}
+
+\def\evenfooting{\parsearg\evenfootingxxx}
+\def\oddfooting{\parsearg\oddfootingxxx}
+\def\everyfooting{\parsearg\everyfootingxxx}
+
+{\catcode`\@=0 %
+
+\gdef\evenheadingxxx #1{\evenheadingyyy #1@|@|@|@|\finish}
+\gdef\evenheadingyyy #1@|#2@|#3@|#4\finish{%
+\global\evenheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
+
+\gdef\oddheadingxxx #1{\oddheadingyyy #1@|@|@|@|\finish}
+\gdef\oddheadingyyy #1@|#2@|#3@|#4\finish{%
+\global\oddheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
+
+\gdef\everyheadingxxx #1{\everyheadingyyy #1@|@|@|@|\finish}
+\gdef\everyheadingyyy #1@|#2@|#3@|#4\finish{%
+\global\evenheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}
+\global\oddheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
+
+\gdef\evenfootingxxx #1{\evenfootingyyy #1@|@|@|@|\finish}
+\gdef\evenfootingyyy #1@|#2@|#3@|#4\finish{%
+\global\evenfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
+
+\gdef\oddfootingxxx #1{\oddfootingyyy #1@|@|@|@|\finish}
+\gdef\oddfootingyyy #1@|#2@|#3@|#4\finish{%
+\global\oddfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
+
+\gdef\everyfootingxxx #1{\everyfootingyyy #1@|@|@|@|\finish}
+\gdef\everyfootingyyy #1@|#2@|#3@|#4\finish{%
+\global\evenfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}
+\global\oddfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
+%
+}% unbind the catcode of @.
+
+% @headings double	turns headings on for double-sided printing.
+% @headings single	turns headings on for single-sided printing.
+% @headings off		turns them off.
+% @headings on		same as @headings double, retained for compatibility.
+% By default, they are off.
+
+\def\headings #1 {\csname HEADINGS#1\endcsname}
+
+\def\HEADINGSoff{
+\global\evenheadline={\hfil} \global\evenfootline={\hfil}
+\global\oddheadline={\hfil} \global\oddfootline={\hfil}}
+\HEADINGSoff
+% When we turn headings on, set the page number to 1.
+% For double-sided printing, put current file name in lower left corner,
+% chapter name on inside top of right hand pages, document
+% title on inside top of left hand pages, and page numbers on outside top
+% edge of all pages.
+\def\HEADINGSdouble{
+%\pagealignmacro
+\global\pageno=1
+\global\evenfootline={\hfil}
+\global\oddfootline={\hfil}
+\global\evenheadline={\line{\folio\hfil\thistitle}}
+\global\oddheadline={\line{\thischapter\hfil\folio}}
+}
+% For single-sided printing, chapter title goes across top left of page,
+% page number on top right.
+\def\HEADINGSsingle{
+%\pagealignmacro
+\global\pageno=1
+\global\evenfootline={\hfil}
+\global\oddfootline={\hfil}
+\global\evenheadline={\line{\thischapter\hfil\folio}}
+\global\oddheadline={\line{\thischapter\hfil\folio}}
+}
+\def\HEADINGSon{\HEADINGSdouble}
+
+% Subroutines used in generating headings
+% Produces Day Month Year style of output.
+\def\today{\number\day\space
+\ifcase\month\or
+January\or February\or March\or April\or May\or June\or
+July\or August\or September\or October\or November\or December\fi
+\space\number\year}
+
+% Use this if you want the Month Day, Year style of output.
+%\def\today{\ifcase\month\or
+%January\or February\or March\or April\or May\or June\or
+%July\or August\or September\or October\or November\or December\fi
+%\space\number\day, \number\year}
+
+% @settitle line...  specifies the title of the document, for headings
+% It generates no output of its own
+
+\def\thistitle{No Title}
+\def\settitle{\parsearg\settitlezzz}
+\def\settitlezzz #1{\gdef\thistitle{#1}}
+
+\message{tables,}
+
+% Tables -- @table, @ftable, @item(x), @kitem(x), @xitem(x).
+
+% default indentation of table text
+\newdimen\tableindent \tableindent=.8in
+% default indentation of @itemize and @enumerate text
+\newdimen\itemindent  \itemindent=.3in
+% margin between end of table item and start of table text.
+\newdimen\itemmargin  \itemmargin=.1in
+
+% used internally for \itemindent minus \itemmargin
+\newdimen\itemmax
+
+% Note @table and @ftable define @item, @itemx, etc., with these defs.
+% They also define \itemindex
+% to index the item name in whatever manner is desired (perhaps none).
+
+\def\internalBitem{\smallbreak \parsearg\itemzzz}
+\def\internalBitemx{\par \parsearg\itemzzz}
+
+\def\internalBxitem "#1"{\def\xitemsubtopix{#1} \smallbreak \parsearg\xitemzzz}
+\def\internalBxitemx "#1"{\def\xitemsubtopix{#1} \par \parsearg\xitemzzz}
+
+\def\internalBkitem{\smallbreak \parsearg\kitemzzz}
+\def\internalBkitemx{\par \parsearg\kitemzzz}
+
+\def\kitemzzz #1{\dosubind {kw}{\code{#1}}{for {\bf \lastfunction}}\itemzzz {#1}}
+
+\def\xitemzzz #1{\dosubind {kw}{\code{#1}}{for {\bf \xitemsubtopic}}\itemzzz {#1}}
+
+\def\itemzzz #1{\begingroup %
+\advance \hsize by -\rightskip %
+\advance \hsize by -\leftskip %
+\setbox0=\hbox{\itemfont{#1}}%
+\itemindex{#1}%
+\parskip=0in %
+\noindent %
+\ifdim \wd0>\itemmax %
+\vadjust{\penalty 10000}%
+\hbox to \hsize{\hskip -\tableindent\box0\hss}\ %
+\else %
+\hbox to 0pt{\hskip -\tableindent\box0\hss}%
+\fi %
+\endgroup %
+}
+
+\def\item{\errmessage{@item while not in a table}}
+\def\itemx{\errmessage{@itemx while not in a table}}
+\def\kitem{\errmessage{@kitem while not in a table}}
+\def\kitemx{\errmessage{@kitemx while not in a table}}
+\def\xitem{\errmessage{@xitem while not in a table}}
+\def\xitemx{\errmessage{@xitemx while not in a table}}
+
+%% Contains a kludge to get @end[description] to work
+\def\description{\tablez{\dontindex}{1}{}{}{}{}}
+
+\def\table{\begingroup\inENV\obeylines\obeyspaces\tablex}
+{\obeylines\obeyspaces%
+\gdef\tablex #1^^M{%
+\tabley\dontindex#1        \endtabley}}
+
+\def\ftable{\begingroup\inENV\obeylines\obeyspaces\ftablex}
+{\obeylines\obeyspaces%
+\gdef\ftablex #1^^M{%
+\tabley\fnitemindex#1        \endtabley}}
+
+\def\dontindex #1{}
+\def\fnitemindex #1{\doind {fn}{\code{#1}}}%
+
+{\obeyspaces %
+\gdef\tabley#1#2 #3 #4 #5 #6 #7\endtabley{\endgroup%
+\tablez{#1}{#2}{#3}{#4}{#5}{#6}}}
+
+\def\tablez #1#2#3#4#5#6{%
+\aboveenvbreak %
+\begingroup %
+\def\Edescription{\Etable}% Neccessary kludge.
+\let\itemindex=#1%
+\ifnum 0#3>0 \advance \leftskip by #3\mil \fi %
+\ifnum 0#4>0 \tableindent=#4\mil \fi %
+\ifnum 0#5>0 \advance \rightskip by #5\mil \fi %
+\def\itemfont{#2}%
+\itemmax=\tableindent %
+\advance \itemmax by -\itemmargin %
+\advance \leftskip by \tableindent %
+\parindent = 0pt
+\parskip = \smallskipamount
+\ifdim \parskip=0pt \parskip=2pt \fi%
+\def\Etable{\endgraf\endgroup\afterenvbreak}%
+\let\item = \internalBitem %
+\let\itemx = \internalBitemx %
+\let\kitem = \internalBkitem %
+\let\kitemx = \internalBkitemx %
+\let\xitem = \internalBxitem %
+\let\xitemx = \internalBxitemx %
+}
+
+% This is the counter used by @enumerate, which is really @itemize
+
+\newcount \itemno
+
+\def\itemize{\parsearg\itemizezzz}
+
+\def\itemizezzz #1{\itemizey {#1}{\Eitemize}}
+
+\def\itemizey #1#2{%
+\aboveenvbreak %
+\begingroup %
+\itemno = 0 %
+\itemmax=\itemindent %
+\advance \itemmax by -\itemmargin %
+\advance \leftskip by \itemindent %
+\parindent = 0pt
+\parskip = \smallskipamount
+\ifdim \parskip=0pt \parskip=2pt \fi%
+\def#2{\endgraf\endgroup\afterenvbreak}%
+\def\itemcontents{#1}%
+\let\item=\itemizeitem}
+
+\def\bullet{$\ptexbullet$}
+\def\minus{$-$}
+
+\def\enumerate{\itemizey{\the\itemno.}\Eenumerate\flushcr}
+
+% Definition of @item while inside @itemize.
+
+\def\itemizeitem{%
+\advance\itemno by 1
+{\let\par=\endgraf \smallbreak}%
+\ifhmode \errmessage{\in hmode at itemizeitem}\fi
+{\parskip=0in \hskip 0pt
+\hbox to 0pt{\hss \itemcontents\hskip \itemmargin}%
+\vadjust{\penalty 300}}%
+\flushcr}
+
+\message{indexing,}
+% Index generation facilities
+
+% Define \newwrite to be identical to plain tex's \newwrite
+% except not \outer, so it can be used within \newindex.
+{\catcode`\@=11
+\gdef\newwrite{\alloc@7\write\chardef\sixt@@n}}
+
+% \newindex {foo} defines an index named foo.
+% It automatically defines \fooindex such that
+% \fooindex ...rest of line... puts an entry in the index foo.
+% It also defines \fooindfile to be the number of the output channel for
+% the file that	accumulates this index.  The file's extension is foo.
+% The name of an index should be no more than 2 characters long
+% for the sake of vms.
+
+\def\newindex #1{
+\expandafter\newwrite \csname#1indfile\endcsname% Define number for output file
+\openout \csname#1indfile\endcsname \jobname.#1	% Open the file
+\expandafter\xdef\csname#1index\endcsname{%	% Define \xxxindex
+\noexpand\doindex {#1}}
+}
+
+% @defindex foo  ==  \newindex{foo}
+
+\def\defindex{\parsearg\newindex}
+
+% Define @defcodeindex, like @defindex except put all entries in @code.
+
+\def\newcodeindex #1{
+\expandafter\newwrite \csname#1indfile\endcsname% Define number for output file
+\openout \csname#1indfile\endcsname \jobname.#1	% Open the file
+\expandafter\xdef\csname#1index\endcsname{%	% Define \xxxindex
+\noexpand\docodeindex {#1}}
+}
+
+\def\defcodeindex{\parsearg\newcodeindex}
+
+% @synindex foo bar    makes index foo feed into index bar.
+% Do this instead of @defindex foo if you don't want it as a separate index.
+\def\synindex #1 #2 {%
+\expandafter\xdef\csname#1index\endcsname{%	% Define \xxxindex
+\noexpand\doindex {#2}}%
+}
+
+% @syncodeindex foo bar   similar, but put all entries made for index foo
+% inside @code.
+\def\syncodeindex #1 #2 {%
+\expandafter\xdef\csname#1index\endcsname{%	% Define \xxxindex
+\noexpand\docodeindex {#2}}%
+}
+
+% Define \doindex, the driver for all \fooindex macros.
+% Argument #1 is generated by the calling \fooindex macro,
+%  and it is "foo", the name of the index.
+
+% \doindex just uses \parsearg; it calls \doind for the actual work.
+% This is because \doind is more useful to call from other macros.
+
+% There is also \dosubind {index}{topic}{subtopic}
+% which makes an entry in a two-level index such as the operation index.
+
+\def\doindex#1{\edef\indexname{#1}\parsearg\singleindexer}
+\def\singleindexer #1{\doind{\indexname}{#1}}
+
+% like the previous two, but they put @code around the argument.
+\def\docodeindex#1{\edef\indexname{#1}\parsearg\singlecodeindexer}
+\def\singlecodeindexer #1{\doind{\indexname}{\code{#1}}}
+
+\def\indexdummies{%
+\def\bf{\realbackslash bf }%
+\def\rm{\realbackslash rm }%
+\def\sl{\realbackslash sl }%
+\def\dots{\realbackslash dots }%
+\def\copyright{\realbackslash copyright }%
+}
+
+% \indexnofonts no-ops all font-change commands.
+% This is used when outputting the strings to sort the index by.
+\def\indexdummyfont#1{#1}
+\def\indexnofonts{%
+\let\code=\indexdummyfont
+\let\samp=\indexdummyfont
+\let\kbd=\indexdummyfont
+\let\key=\indexdummyfont
+\let\var=\indexdummyfont
+}
+
+% To define \realbackslash, we must make \ not be an escape.
+% We must first make another character (@) an escape
+% so we do not become unable to do a definition.
+
+{\catcode`\@=0 \catcode`\\=\other
+@gdef@realbackslash{\}}
+
+\let\indexbackslash=0  %overridden during \printindex.
+
+\def\doind #1#2{%
+{\indexdummies % Must do this here, since \bf, etc expand at this stage
+\count10=\lastpenalty %
+\escapechar=`\\%
+{\let\folio=0% Expand all macros now EXCEPT \folio
+\def\rawbackslashxx{\indexbackslash}% \indexbackslash isn't defined now
+% so it will be output as is; and it will print as backslash in the indx.
+%
+% Now process the index-string once, with all font commands turned off,
+% to get the string to sort the index by.
+{\indexnofonts
+\xdef\temp1{#2}%
+}%
+% Now produce the complete index entry.  We process the index-string again,
+% this time with font commands expanded, to get what to print in the index.
+\edef\temp{%
+\write \csname#1indfile\endcsname{%
+\realbackslash entry {\temp1}{\folio}{#2}}}%
+\temp }%
+\penalty\count10}}
+
+\def\dosubind #1#2#3{%
+{\indexdummies % Must do this here, since \bf, etc expand at this stage
+\count10=\lastpenalty %
+\escapechar=`\\%
+{\let\folio=0%
+\def\rawbackslashxx{\indexbackslash}%
+%
+% Now process the index-string once, with all font commands turned off,
+% to get the string to sort the index by.
+{\indexnofonts
+\xdef\temp1{#2 #3}%
+}%
+% Now produce the complete index entry.  We process the index-string again,
+% this time with font commands expanded, to get what to print in the index.
+\edef\temp{%
+\write \csname#1indfile\endcsname{%
+\realbackslash entry {\temp1}{\folio}{#2}{#3}}}%
+\temp }%
+\penalty\count10}}
+
+% The index entry written in the file actually looks like
+%  \entry {sortstring}{page}{topic}
+% or
+%  \entry {sortstring}{page}{topic}{subtopic}
+% The texindex program reads in these files and writes files
+% containing these kinds of lines:
+%  \initial {c}
+%     before the first topic whose initial is c
+%  \entry {topic}{pagelist}
+%     for a topic that is used without subtopics
+%  \primary {topic}
+%     for the beginning of a topic that is used with subtopics
+%  \secondary {subtopic}{pagelist}
+%     for each subtopic.
+
+% Define the user-accessible indexing commands 
+% @findex, @vindex, @kindex, @cindex.
+
+\def\findex {\fnindex}
+\def\kindex {\kyindex}
+\def\cindex {\cpindex}
+\def\vindex {\vrindex}
+\def\tindex {\tpindex}
+\def\pindex {\pgindex}
+
+\def\cindexsub {\begingroup\obeylines\cindexsub}
+{\obeylines %
+\gdef\cindexsub "#1" #2^^M{\endgroup %
+\dosubind{cp}{#2}{#1}}}
+
+% Define the macros used in formatting output of the sorted index material.
+
+% This is what you call to cause a particular index to get printed.
+% Write
+% @unnumbered Function Index
+% @printindex fn
+
+\def\printindex{\parsearg\doprintindex}
+
+\def\doprintindex#1{\tex %
+\catcode`\%=\other\catcode`\&=\other\catcode`\#=\other
+\catcode`\$=\other\catcode`\_=\other
+\catcode`\~=\other
+\def\indexbackslash{\rawbackslashxx}
+\indexfonts\rm \tolerance=9500 \advance\baselineskip -1pt
+\begindoublecolumns
+\openin 1 \jobname.#1s
+\ifeof 1 \else \closein 1 \input \jobname.#1s
+\fi
+\enddoublecolumns
+\Etex}
+
+% These macros are used by the sorted index file itself.
+% Change them to control the appearance of the index.
+
+% Same as \bigskipamount except no shrink.
+% \balancecolumns gets confused if there is any shrink.
+\newskip\initialskipamount \initialskipamount 12pt plus4pt
+
+\outer\def\initial #1{%
+{\let\tentt=\sectt \let\sf=\sectt
+\ifdim\lastskip<\initialskipamount
+\removelastskip \penalty-200 \vskip \initialskipamount\fi
+\line{\secbf#1\hfill}\kern 2pt\penalty3000}}
+
+\outer\def\entry #1#2{
+{\parfillskip=0in \parskip=0in \parindent=0in
+\hangindent=1in \hangafter=1%
+\noindent\hbox{#1}\dotfill #2\par
+}}
+
+\def\primary #1{\line{#1\hfil}}
+
+\newskip\secondaryindent \secondaryindent=0.5cm
+
+\def\secondary #1#2{
+{\parfillskip=0in \parskip=0in
+\hangindent =1in \hangafter=1
+\noindent\hskip\secondaryindent\hbox{#1}\dotfill #2\par
+}}
+
+%% Define two-column mode, which is used in indexes.
+%% Adapted from the TeXBook, page 416
+\catcode `\@=11
+
+\newbox\partialpage
+
+\newdimen\doublecolumnhsize  \doublecolumnhsize = 3.11in
+\newdimen\doublecolumnvsize  \doublecolumnvsize = 19.1in
+
+\def\begindoublecolumns{\begingroup
+  \output={\global\setbox\partialpage=\vbox{\unvbox255\kern -\topskip \kern \baselineskip}}\eject
+  \output={\doublecolumnout} \hsize=\doublecolumnhsize \vsize=\doublecolumnvsize}
+\def\enddoublecolumns{\output={\balancecolumns}\eject
+  \endgroup \pagegoal=\vsize}
+
+\def\doublecolumnout{\splittopskip=\topskip \splitmaxdepth=\maxdepth
+  \dimen@=\pageheight \advance\dimen@ by-\ht\partialpage
+  \setbox0=\vsplit255 to\dimen@ \setbox2=\vsplit255 to\dimen@
+  \onepageout\pagesofar \unvbox255 \penalty\outputpenalty}
+\def\pagesofar{\unvbox\partialpage %
+  \hsize=\doublecolumnhsize % have to restore this since output routine
+%	      changes it to set cropmarks (P. A. MacKay, 12 Nov. 1986)
+  \wd0=\hsize \wd2=\hsize \hbox to\pagewidth{\box0\hfil\box2}}
+\def\balancecolumns{\setbox0=\vbox{\unvbox255} \dimen@=\ht0
+  \advance\dimen@ by\topskip \advance\dimen@ by-\baselineskip
+  \divide\dimen@ by2 \splittopskip=\topskip
+  {\vbadness=10000 \loop \global\setbox3=\copy0
+    \global\setbox1=\vsplit3 to\dimen@
+    \ifdim\ht3>\dimen@ \global\advance\dimen@ by1pt \repeat}
+  \setbox0=\vbox to\dimen@{\unvbox1}  \setbox2=\vbox to\dimen@{\unvbox3}
+  \pagesofar}
+
+\catcode `\@=\other
+\message{sectioning,}
+% Define chapters, sections, etc.
+
+\newcount \chapno
+\newcount \secno
+\newcount \subsecno
+\newcount \subsubsecno
+
+% This counter is funny since it counts through charcodes of letters A, B, ...
+\newcount \appendixno  \appendixno = `\@
+\def\appendixletter{\char\the\appendixno}
+
+\newwrite \contentsfile
+% This is called from \setfilename.
+\def\opencontents{\openout \contentsfile = \jobname.toc}
+
+% Each @chapter defines this as the name of the chapter.
+% page headings and footings can use it.  @section does likewise
+
+\def\thischapter{} \def\thissection{}
+\def\seccheck#1{\if \pageno<0 %
+\errmessage{@#1 not allowed after generating table of contents}\fi
+%
+}
+
+\outer\def\chapter{\parsearg\chapterzzz}
+\def\chapterzzz #1{\seccheck{chapter}%
+\secno=0 \subsecno=0 \subsubsecno=0 \global\advance \chapno by 1 \message{Chapter \the\chapno}%
+\chapmacro {#1}{\the\chapno}%
+\gdef\thissection{#1}\gdef\thischapter{#1}%
+\let\rawbackslash=\relax%
+\let\frenchspacing=\relax%
+\edef\temp{{\realbackslash chapentry {#1}{\the\chapno}{\noexpand\folio}}}%
+\escapechar=`\\%
+\write \contentsfile \temp  %
+\donoderef %
+}
+
+\outer\def\appendix{\parsearg\appendixzzz}
+\def\appendixzzz #1{\seccheck{appendix}%
+\secno=0 \subsecno=0 \subsubsecno=0 \global\advance \appendixno by 1 \message{Appendix \appendixletter}%
+\chapmacro {#1}{Appendix \appendixletter}%
+\gdef\thischapter{#1}\gdef\thissection{#1}%
+\let\rawbackslash=\relax%
+\let\frenchspacing=\relax%
+\edef\temp{{\realbackslash chapentry {#1}{Appendix \appendixletter}{\noexpand\folio}}}%
+\escapechar=`\\%
+\write \contentsfile \temp  %
+\unnumbnoderef %
+}
+
+\outer\def\unnumbered{\parsearg\unnumberedzzz}
+\def\unnumberedzzz #1{\seccheck{unnumbered}%
+\secno=0 \subsecno=0 \subsubsecno=0 \message{(#1)}
+\unnumbchapmacro {#1}%
+\gdef\thischapter{#1}\gdef\thissection{#1}%
+\let\rawbackslash=\relax%
+\let\frenchspacing=\relax%
+\edef\temp{{\realbackslash unnumbchapentry {#1}{\noexpand\folio}}}%
+\escapechar=`\\%
+\write \contentsfile \temp  %
+\unnumbnoderef %
+}
+
+\outer\def\section{\parsearg\sectionzzz}
+\def\sectionzzz #1{\seccheck{section}%
+\subsecno=0 \subsubsecno=0 \global\advance \secno by 1 %
+\gdef\thissection{#1}\secheading {#1}{\the\chapno}{\the\secno}%
+\let\rawbackslash=\relax%
+\let\frenchspacing=\relax%
+\edef\temp{{\realbackslash secentry %
+{#1}{\the\chapno}{\the\secno}{\noexpand\folio}}}%
+\escapechar=`\\%
+\write \contentsfile \temp %
+\donoderef %
+\penalty 10000 %
+}
+
+\outer\def\appendixsection{\parsearg\appendixsectionzzz}
+\outer\def\appendixsec{\parsearg\appendixsectionzzz}
+\def\appendixsectionzzz #1{\seccheck{appendixsection}%
+\subsecno=0 \subsubsecno=0 \global\advance \secno by 1 %
+\gdef\thissection{#1}\secheading {#1}{\appendixletter}{\the\secno}%
+\let\rawbackslash=\relax%
+\let\frenchspacing=\relax%
+\edef\temp{{\realbackslash secentry %
+{#1}{\appendixletter}{\the\secno}{\noexpand\folio}}}%
+\escapechar=`\\%
+\write \contentsfile \temp %
+\unnumbnoderef %
+\penalty 10000 %
+}
+
+\outer\def\unnumberedsec{\parsearg\unnumberedseczzz}
+\def\unnumberedseczzz #1{\seccheck{unnumberedsec}%
+\plainsecheading {#1}\gdef\thissection{#1}%
+\let\rawbackslash=\relax%
+\let\frenchspacing=\relax%
+\edef\temp{{\realbackslash unnumbsecentry{#1}{\noexpand\folio}}}%
+\escapechar=`\\%
+\write \contentsfile \temp %
+\unnumbnoderef %
+\penalty 10000 %
+}
+
+\outer\def\subsection{\parsearg\subsectionzzz}
+\def\subsectionzzz #1{\seccheck{subsection}%
+\gdef\thissection{#1}\subsubsecno=0 \global\advance \subsecno by 1 %
+\subsecheading {#1}{\the\chapno}{\the\secno}{\the\subsecno}%
+\let\rawbackslash=\relax%
+\let\frenchspacing=\relax%
+\edef\temp{{\realbackslash subsecentry %
+{#1}{\the\chapno}{\the\secno}{\the\subsecno}{\noexpand\folio}}}%
+\escapechar=`\\%
+\write \contentsfile \temp %
+\donoderef %
+\penalty 10000 %
+}
+
+\outer\def\appendixsubsec{\parsearg\appendixsubseczzz}
+\def\appendixsubseczzz #1{\seccheck{appendixsubsec}%
+\gdef\thissection{#1}\subsubsecno=0 \global\advance \subsecno by 1 %
+\subsecheading {#1}{\appendixletter}{\the\secno}{\the\subsecno}%
+\let\rawbackslash=\relax%
+\let\frenchspacing=\relax%
+\edef\temp{{\realbackslash subsecentry %
+{#1}{\appendixletter}{\the\secno}{\the\subsecno}{\noexpand\folio}}}%
+\escapechar=`\\%
+\write \contentsfile \temp %
+\unnumbnoderef %
+\penalty 10000 %
+}
+
+\outer\def\unnumberedsubsec{\parsearg\unnumberedsubseczzz}
+\def\unnumberedsubseczzz #1{\seccheck{unnumberedsubsec}%
+\plainsecheading {#1}\gdef\thissection{#1}%
+\let\rawbackslash=\relax%
+\let\frenchspacing=\relax%
+\edef\temp{{\realbackslash unnumbsubsecentry{#1}{\noexpand\folio}}}%
+\escapechar=`\\%
+\write \contentsfile \temp %
+\unnumbnoderef %
+\penalty 10000 %
+}
+
+\outer\def\subsubsection{\parsearg\subsubsectionzzz}
+\def\subsubsectionzzz #1{\seccheck{subsubsection}%
+\gdef\thissection{#1}\global\advance \subsubsecno by 1 %
+\subsubsecheading {#1}{\the\chapno}{\the\secno}{\the\subsecno}{\the\subsubsecno}%
+\let\rawbackslash=\relax%
+\let\frenchspacing=\relax%
+\edef\temp{{\realbackslash subsubsecentry %
+{#1}{\the\chapno}{\the\secno}{\the\subsecno}{\the\subsubsecno}{\noexpand\folio}}}%\
+\escapechar=`\\%
+\write \contentsfile \temp %
+\donoderef %
+\penalty 10000 %
+}
+
+\outer\def\appendixsubsubsec{\parsearg\appendixsubsubseczzz}
+\def\appendixsubsubseczzz #1{\seccheck{appendixsubsubsec}%
+\gdef\thissection{#1}\global\advance \subsubsecno by 1 %
+\subsubsecheading {#1}{\appendixletter}{\the\secno}{\the\subsecno}{\the\subsubsecno}%
+\let\rawbackslash=\relax%
+\let\frenchspacing=\relax%
+\edef\temp{{\realbackslash subsubsecentry{#1}%
+{\appendixletter}{\the\secno}{\the\subsecno}{\the\subsubsecno}{\noexpand\folio}}}%\
+\escapechar=`\\%
+\write \contentsfile \temp %
+\unnumbnoderef %
+\penalty 10000 %
+}
+
+\outer\def\unnumberedsubsubsec{\parsearg\unnumberedsubsubseczzz}
+\def\unnumberedsubsubseczzz #1{\seccheck{unnumberedsubsubsec}%
+\plainsecheading {#1}\gdef\thissection{#1}%
+\let\rawbackslash=\relax%
+\let\frenchspacing=\relax%
+\edef\temp{{\realbackslash unnumbsubsubsecentry{#1}{\noexpand\folio}}}%
+\escapechar=`\\%
+\write \contentsfile \temp %
+\unnumbnoderef %
+\penalty 10000 %
+}
+
+% These are variants which are not "outer", so they can appear in @ifinfo.
+\def\infounnumbered{\parsearg\unnumberedzzz}
+\def\infounnumberedsec{\parsearg\unnumberedseczzz}
+\def\infounnumberedsubsec{\parsearg\unnumberedsubseczzz}
+\def\infounnumberedsubsubsec{\parsearg\unnumberedsubsubseczzz}
+
+\def\infoappendix{\parsearg\appendixzzz}
+\def\infoappendixsec{\parsearg\appendixseczzz}
+\def\infoappendixsubsec{\parsearg\appendixsubseczzz}
+\def\infoappendixsubsubsec{\parsearg\appendixsubsubseczzz}
+
+\def\infochapter{\parsearg\chapterzzz}
+\def\infosection{\parsearg\sectionzzz}
+\def\infosubsection{\parsearg\subsectionzzz}
+\def\infosubsubsection{\parsearg\subsubsectionzzz}
+
+% Define @majorheading, @heading and @subheading
+
+\def\majorheading #1{%
+{\advance\chapheadingskip by 10pt \chapbreak }%
+{\chapfonts \line{\rm #1\hfill}}\bigskip \par\penalty 200}
+
+\def\chapheading #1{\chapbreak %
+{\chapfonts \line{\rm #1\hfill}}\bigskip \par\penalty 200}
+
+\def\heading{\parsearg\secheadingi}
+
+% These macros generate a chapter, section, etc. heading only
+% (including whitespace, linebreaking, etc. around it),
+% given all the information in convenient, parsed form.
+
+%%% Args are the skip and penalty (usually negative)
+\def\dobreak#1#2{\par\ifdim\lastskip<#1\removelastskip\penalty#2\vskip#1\fi}
+
+\def\setchapterstyle #1 {\csname CHAPF#1\endcsname}
+
+%%% Define plain chapter starts, and page on/off switching for it
+% Parameter controlling skip before chapter headings (if needed)
+
+\newskip \chapheadingskip \chapheadingskip = 30pt plus 8pt minus 4pt
+
+\def\chapbreak{\dobreak \chapheadingskip {-4000}}
+\def\chappager{\par\vfill\supereject}
+\def\chapoddpage{\chappager \ifodd\pageno \else \hbox to 0pt{} \chappager\fi}
+
+\def\setchapternewpage #1 {\csname CHAPPAG#1\endcsname}
+
+\def\CHAPPAGoff{
+\global\let\pchapsepmacro=\chapbreak
+\global\let\pagealignmacro=\chappager}
+
+\def\CHAPPAGon{
+\global\let\pchapsepmacro=\chappager
+\global\let\pagealignmacro=\chappager
+\global\def\HEADINGSon{\HEADINGSsingle}}
+
+\def\CHAPPAGodd{
+\global\let\pchapsepmacro=\chapoddpage
+\global\let\pagealignmacro=\chapoddpage
+\global\def\HEADINGSon{\HEADINGSdouble}}
+
+\CHAPPAGon
+
+\def\CHAPFplain{
+\global\let\chapmacro=\chfplain
+\global\let\unnumbchapmacro=\unnchfplain}
+
+\def\chfplain #1#2{%
+\pchapsepmacro %
+{\chapfonts \line{\rm #2.\enspace #1\hfill}}\bigskip \par\penalty 5000 %
+}
+
+\def\unnchfplain #1{%
+\pchapsepmacro %
+{\chapfonts \line{\rm #1\hfill}}\bigskip \par\penalty 10000 %
+}
+\CHAPFplain % The default
+
+\def\unnchfopen #1{%
+\chapoddpage {\chapfonts \line{\rm #1\hfill}}\bigskip \par\penalty 10000 %
+}
+
+\def\chfopen #1#2{\chapoddpage {\chapfonts
+\vbox to 3in{\vfil \hbox to\hsize{\hfil #2} \hbox to\hsize{\hfil #1} \vfil}}%
+\par\penalty 5000 %
+}
+
+\def\CHAPFopen{
+\global\let\chapmacro=\chfopen
+\global\let\unnumbchapmacro=\unnchfopen}
+
+% Parameter controlling skip before section headings.
+
+\newskip \subsecheadingskip  \subsecheadingskip = 17pt plus 8pt minus 4pt
+\def\subsecheadingbreak{\dobreak \subsecheadingskip {-500}}
+
+\newskip \secheadingskip  \secheadingskip = 21pt plus 8pt minus 4pt
+\def\secheadingbreak{\dobreak \secheadingskip {-1000}}
+
+
+% Section fonts are the base font at magstep2, which produces
+% a size a bit more than 14 points in the default situation.	
+
+\def\secheading #1#2#3{\secheadingi {#2.#3\enspace #1}}
+\def\plainsecheading #1{\secheadingi {#1}}
+\def\secheadingi #1{{\advance \secheadingskip by \parskip %
+\secheadingbreak}%
+{\secfonts \line{\rm #1\hfill}}%
+\ifdim \parskip<10pt \kern 10pt\kern -\parskip\fi \penalty 10000 }
+
+
+% Subsection fonts are the base font at magstep1, 
+% which produces a size of 12 points.
+
+\def\subsecheading #1#2#3#4{{\advance \subsecheadingskip by \parskip %
+\subsecheadingbreak}%
+{\subsecfonts \line{\rm#2.#3.#4\enspace #1\hfill}}%
+\ifdim \parskip<10pt \kern 10pt\kern -\parskip\fi \penalty 10000 }
+
+\def\subsubsecfonts{\subsecfonts} % Maybe this should change:
+				  % Perhaps make sssec fonts scaled
+				  % magstep half
+\def\subsubsecheading #1#2#3#4#5{{\advance \subsecheadingskip by \parskip %
+\subsecheadingbreak}%
+{\subsubsecfonts \line{\rm#2.#3.#4.#5\enspace #1\hfill}}%
+\ifdim \parskip<10pt \kern 10pt\kern -\parskip\fi \penalty 10000}
+
+
+\message{toc printing,}
+
+% Finish up the main text and prepare to read what we've written
+% to \contentsfile.
+
+\def\startcontents#1{%
+   \ifnum \pageno>0
+      \pagealignmacro
+      \immediate\closeout \contentsfile
+      \pageno = -1		% Request roman numbered pages.
+   \fi
+   \unnumbchapmacro{#1}\def\thischapter{#1}%
+   \begingroup   		% Set up to handle contents files properly.
+      \catcode`\\=0  \catcode`\{=1  \catcode`\}=2  \catcode`\@=11
+      \raggedbottom             % Worry more about breakpoints than the bottom.
+      \advance\hsize by -1in    % Don't use the full line length.
+}
+
+  
+% Normal (long) toc.
+\outer\def\contents{%
+   \startcontents{Table of Contents}%
+      \input \jobname.toc
+   \endgroup
+   \vfill \eject
+}
+
+% And just the chapters.
+\outer\def\summarycontents{%
+   \startcontents{Short Contents}%
+      %
+      \let\chapentry = \shortchapentry
+      \let\unnumbchapentry = \shortunnumberedentry
+      % We want a true roman here for the page numbers.
+      \secfonts \let\rm = \truesecrm \rm
+      \advance\baselineskip by 1pt % Open it up a little.
+      \def\secentry ##1##2##3##4{}
+      \def\unnumbsecentry ##1##2{}
+      \def\subsecentry ##1##2##3##4##5{}
+      \def\unnumbsubsecentry ##1##2{}
+      \def\subsubsecentry ##1##2##3##4##5##6{}
+      \def\unnumbsubsubsecentry ##1##2{}
+      \input \jobname.toc
+   \endgroup
+   \vfill \eject
+}
+\let\shortcontents = \summarycontents
+
+% These macros generate individual entries in the table of contents.
+% The first argument is the chapter or section name.
+% The last argument is the page number.
+% The arguments in between are the chapter number, section number, ...
+
+% Chapter-level things, for both the long and short contents.
+\def\chapentry#1#2#3{\dochapentry{#2\labelspace#1}{#3}}
+\def\shortchapentry#1#2#3{%
+   \line{{#2\labelspace #1}\dotfill\doshortpageno{#3}}%
+}
+
+\def\unnumbchapentry#1#2{\dochapentry{#1}{#2}}
+\def\shortunnumberedentry#1#2{%
+   \line{#1\dotfill\doshortpageno{#2}}%
+}
+
+% Sections.
+\def\secentry#1#2#3#4{\dosecentry{#2.#3\labelspace#1}{#4}}
+\def\unnumbsecentry#1#2{\dosecentry{#1}{#2}}
+
+% Subsections.
+\def\subsecentry#1#2#3#4#5{\dosubsecentry{#2.#3.#4\labelspace#1}{#5}}
+\def\unnumbsubsecentry#1#2{\dosubsecentry{#1}{#2}}
+
+% And subsubsections.
+\def\subsubsecentry#1#2#3#4#5#6{\dosubsubsecentry{#2.#3.#4.#5\labelspace#1}{#6}}
+\def\unnumbsubsecentry#1#2{\dosubsubsecentry{#1}{#2}}
+
+
+% This parameter controls the indentation of the various levels.
+\newdimen\tocindent \tocindent = 3pc
+
+% Now for the actual typesetting. In all these, #1 is the text and #2 is the 
+% page number.
+%
+% If the toc has to be broken over pages, we would want to be at chapters 
+% if at all possible; hence the \penalty.
+\def\dochapentry#1#2{%
+   \penalty-300 \vskip\baselineskip
+   \line{\chapentryfonts #1\dotfill \dopageno{#2}}%
+   \nobreak\vskip .25\baselineskip
+}
+
+\def\dosecentry#1#2{%
+   \line{\secentryfonts \hskip\tocindent #1\dotfill \dopageno{#2}}%
+}
+
+\def\dosubsecentry#1#2{%
+   \line{\subsecentryfonts \hskip2\tocindent #1\dotfill \dopageno{#2}}%
+}
+
+\def\dosubsubsecentry#1#2{%
+   \line{\subsubsecentryfonts \hskip3\tocindent #1\dotfill \dopageno{#2}}%
+}
+
+% Space between chapter (or whatever) number and the title.
+\def\labelspace{\hskip1em \relax}
+
+\def\dopageno#1{{\rm #1}}
+\def\doshortpageno#1{{\rm #1}}
+
+\def\chapentryfonts{\secfonts \let\rm = \sf \sf}
+\def\secentryfonts{\textfonts}
+\let\subsecentryfonts = \textfonts
+\let\subsubsecentryfonts = \textfonts
+
+
+\message{environments,}
+
+% @tex ... @end tex    escapes into raw Tex temporarily.
+% One exception: @ is still an escape character, so that @end tex works.
+% But \@ or @@ will get a plain tex @ character.
+
+\def\tex{\begingroup
+\catcode `\\=0 \catcode `\{=1 \catcode `\}=2
+\catcode `\$=3 \catcode `\&=4 \catcode `\#=6
+\catcode `\^=7 \catcode `\_=8 \catcode `\~=13 \let~=\tie
+\catcode `\%=14
+\catcode`\"=12
+\catcode`\|=12
+\catcode`\<=12
+\catcode`\>=12
+\escapechar=`\\
+%
+\let\{=\ptexlbrace
+\let\}=\ptexrbrace
+\let\.=\ptexdot
+\let\*=\ptexstar
+\def\@={@}%
+\let\bullet=\ptexbullet
+\let\b=\ptexb \let\c=\ptexc \let\i=\ptexi \let\t=\ptext \let\l=\ptexl
+\let\L=\ptexL
+%
+\let\Etex=\endgroup}
+
+% Define @lisp ... @endlisp.
+% @lisp does a \begingroup so it can rebind things,
+% including the definition of @endlisp (which normally is erroneous).
+
+% Amount to narrow the margins by for @lisp.
+\newskip\lispnarrowing \lispnarrowing=0.4in
+
+% This is the definition that ^M gets inside @lisp
+% phr: changed space to \null, to avoid overfull hbox problems.
+{\obeyspaces%
+\gdef\lisppar{\null\endgraf}}
+
+% Cause \obeyspaces to make each Space cause a word-separation
+% rather than the default which is that it acts punctuation.
+% This is because space in tt font looks funny.
+{\obeyspaces %
+\gdef\sepspaces{\def {\ }}}
+
+\newskip\aboveenvskipamount \aboveenvskipamount= 0pt
+\def\aboveenvbreak{{\advance\aboveenvskipamount by \parskip
+\endgraf \ifdim\lastskip<\aboveenvskipamount
+\removelastskip \penalty-50 \vskip\aboveenvskipamount \fi}}
+
+\def\afterenvbreak{\endgraf \ifdim\lastskip<\aboveenvskipamount
+\removelastskip \penalty-50 \vskip\aboveenvskipamount \fi}
+
+\def\lisp{\aboveenvbreak\begingroup\inENV %This group ends at the end of the @lisp body
+\hfuzz=12truept % Don't be fussy
+% Make spaces be word-separators rather than space tokens.
+\sepspaces %
+% Single space lines
+\singlespace %
+% The following causes blank lines not to be ignored
+% by adding a space to the end of each line.
+\let\par=\lisppar
+\def\Elisp{\endgroup\afterenvbreak}%
+\parskip=0pt
+\advance \leftskip by \lispnarrowing
+\parindent=0pt
+\let\exdent=\internalexdent
+\obeyspaces \obeylines \tt \rawbackslash
+\def\next##1{}\next}
+
+
+\let\example=\lisp
+\def\Eexample{\Elisp}
+
+\let\smallexample=\lisp
+\def\Esmallexample{\Elisp}
+
+% Macro for 9 pt. examples, necessary to print with 5" lines.
+% From Pavel@xerox.  This is not really used unless the
+% @smallbook command is given.
+
+\def\smalllispx{\aboveenvbreak\begingroup\inENV
+%			This group ends at the end of the @lisp body
+\hfuzz=12truept % Don't be fussy
+% Make spaces be word-separators rather than space tokens.
+\sepspaces %
+% Single space lines
+\singlespace %
+% The following causes blank lines not to be ignored
+% by adding a space to the end of each line.
+\let\par=\lisppar
+\def\Esmalllisp{\endgroup\afterenvbreak}%
+\parskip=0pt
+\advance \leftskip by \lispnarrowing
+\parindent=0pt
+\let\exdent=\internalexdent
+\obeyspaces \obeylines \ninett \rawbackslash
+\def\next##1{}\next}
+
+% This is @display; same as @lisp except use roman font.
+
+\def\display{\begingroup\inENV %This group ends at the end of the @display body
+\aboveenvbreak
+% Make spaces be word-separators rather than space tokens.
+\sepspaces %
+% Single space lines
+\singlespace %
+% The following causes blank lines not to be ignored
+% by adding a space to the end of each line.
+\let\par=\lisppar
+\def\Edisplay{\endgroup\afterenvbreak}%
+\parskip=0pt
+\advance \leftskip by \lispnarrowing
+\parindent=0pt
+\let\exdent=\internalexdent
+\obeyspaces \obeylines
+\def\next##1{}\next}
+
+% This is @format; same as @lisp except use roman font and don't narrow margins
+
+\def\format{\begingroup\inENV %This group ends at the end of the @format body
+\aboveenvbreak
+% Make spaces be word-separators rather than space tokens.
+\sepspaces %
+\singlespace %
+% The following causes blank lines not to be ignored
+% by adding a space to the end of each line.
+\let\par=\lisppar
+\def\Eformat{\endgroup\afterenvbreak}
+\parskip=0pt \parindent=0pt
+\obeyspaces \obeylines
+\def\next##1{}\next}
+
+% @flushleft and @flushright
+
+\def\flushleft{\begingroup\inENV %This group ends at the end of the @format body
+\aboveenvbreak
+% Make spaces be word-separators rather than space tokens.
+\sepspaces %
+% The following causes blank lines not to be ignored
+% by adding a space to the end of each line.
+% This also causes @ to work when the directive name
+% is terminated by end of line.
+\let\par=\lisppar
+\def\Eflushleft{\endgroup\afterenvbreak}%
+\parskip=0pt \parindent=0pt
+\obeyspaces \obeylines
+\def\next##1{}\next}
+
+\def\flushright{\begingroup\inENV %This group ends at the end of the @format body
+\aboveenvbreak
+% Make spaces be word-separators rather than space tokens.
+\sepspaces %
+% The following causes blank lines not to be ignored
+% by adding a space to the end of each line.
+% This also causes @ to work when the directive name
+% is terminated by end of line.
+\let\par=\lisppar
+\def\Eflushright{\endgroup\afterenvbreak}%
+\parskip=0pt \parindent=0pt
+\advance \leftskip by 0pt plus 1fill
+\obeyspaces \obeylines
+\def\next##1{}\next}
+
+% @quotation - narrow the margins.
+
+\def\quotation{\begingroup\inENV %This group ends at the end of the @quotation body
+{\parskip=0pt  % because we will skip by \parskip too, later
+\aboveenvbreak}%
+\singlespace
+\parindent=0pt
+\def\Equotation{\par\endgroup\afterenvbreak}%
+\advance \rightskip by \lispnarrowing 
+\advance \leftskip by \lispnarrowing}
+
+\message{defuns,}
+% Define formatter for defuns
+% First, allow user to change definition object font (\df) internally
+\def\setdeffont #1 {\csname DEF#1\endcsname}
+
+\newskip\defbodyindent \defbodyindent=36pt
+\newskip\defargsindent \defargsindent=50pt
+\newskip\deftypemargin \deftypemargin=12pt
+\newskip\deflastargmargin \deflastargmargin=18pt
+
+\newcount\parencount
+% define \functionparens, which makes ( and ) and & do special things.
+% \functionparens affects the group it is contained in.
+\def\activeparens{%
+\catcode`\(=\active \catcode`\)=\active \catcode`\&=\active
+\catcode`\[=\active \catcode`\]=\active}
+{\activeparens % Now, smart parens don't turn on until &foo (see \amprm)
+\gdef\functionparens{\boldbrax\let&=\amprm\parencount=0 }
+\gdef\boldbrax{\let(=\opnr\let)=\clnr\let[=\lbrb\let]=\rbrb}
+
+% Definitions of (, ) and & used in args for functions.
+% This is the definition of ( outside of all parentheses.
+\gdef\oprm#1 {{\rm\char`\(}#1 \bf \let(=\opnested %
+\global\advance\parencount by 1 }
+%
+% This is the definition of ( when already inside a level of parens.
+\gdef\opnested{\char`\(\global\advance\parencount by 1 }
+%
+\gdef\clrm{% Print a paren in roman if it is taking us back to depth of 0.
+% also in that case restore the outer-level definition of (.
+\ifnum \parencount=1 {\rm \char `\)}\sl \let(=\oprm \else \char `\) \fi
+\global\advance \parencount by -1 }
+% If we encounter &foo, then turn on ()-hacking afterwards
+\gdef\amprm#1 {{\rm\&#1}\let(=\oprm \let)=\clrm\ }
+%
+\gdef\normalparens{\boldbrax\let&=\ampnr}
+} % End of definition inside \activeparens
+%% These parens (in \boldbrax) actually are a little bolder than the
+%% contained text.  This is especially needed for [ and ]
+\def\opnr{{\sf\char`\(}} \def\clnr{{\sf\char`\)}} \def\ampnr{\&}
+\def\lbrb{{\tt\char`\[}} \def\rbrb{{\tt\char`\]}}
+
+% First, defname, which formats the header line itself.
+% #1 should be the function name.
+% #2 should be the type of definition, such as "Function".
+
+\def\defname #1#2{%
+\leftskip = 0in  %
+\noindent        %
+\setbox0=\hbox{\hskip \deflastargmargin{\rm #2}\hskip \deftypemargin}%
+\dimen0=\hsize \advance \dimen0 by -\wd0 % compute size for first line
+\dimen1=\hsize \advance \dimen1 by -\defargsindent %size for continuations
+\parshape 2 0in \dimen0 \defargsindent \dimen1     %
+% Now output arg 2 ("Function" or some such)
+% ending at \deftypemargin from the right margin,
+% but stuck inside a box of width 0 so it does not interfere with linebreaking
+\rlap{\rightline{{\rm #2}\hskip \deftypemargin}}%
+\tolerance=10000 \hbadness=10000    % Make all lines underfull and no complaints
+{\df #1}\enskip        % Generate function name
+}
+
+% Actually process the body of a definition
+% #1 should be the terminating control sequence, such as \Edefun.
+% #2 should be the "another name" control sequence, such as \defunx.
+% #3 should be the control sequence that actually processes the header,
+%    such as \defunheader.
+
+\def\defparsebody #1#2#3{\begingroup\inENV% Environment for definitionbody
+\medbreak %
+% Define the end token that this defining construct specifies
+% so that it will exit this group.
+\def#1{\endgraf\endgroup\medbreak}%
+\def#2{\begingroup\obeylines\activeparens\spacesplit#3}%
+\parindent=0in \leftskip=\defbodyindent %
+\begingroup\obeylines\activeparens\spacesplit#3}
+
+\def\defmethparsebody #1#2#3#4 {\begingroup\inENV %
+\medbreak %
+% Define the end token that this defining construct specifies
+% so that it will exit this group.
+\def#1{\endgraf\endgroup\medbreak}%
+\def#2##1 {\begingroup\obeylines\activeparens\spacesplit{#3{##1}}}%
+\parindent=0in \leftskip=\defbodyindent %
+\begingroup\obeylines\activeparens\spacesplit{#3{#4}}}
+
+\def\defopparsebody #1#2#3#4#5 {\begingroup\inENV %
+\medbreak %
+% Define the end token that this defining construct specifies
+% so that it will exit this group.
+\def#1{\endgraf\endgroup\medbreak}%
+\def#2##1 ##2 {\def#4{##1}%
+\begingroup\obeylines\activeparens\spacesplit{#3{##2}}}%
+\parindent=0in \leftskip=\defbodyindent %
+\begingroup\obeylines\activeparens\spacesplit{#3{#5}}}
+
+% Split up #2 at the first space token.
+% call #1 with two arguments:
+%  the first is all of #2 before the space token,
+%  the second is all of #2 after that space token.
+% If #2 contains no space token, all of it is passed as the first arg
+% and the second is passed as empty.
+
+{\obeylines
+\gdef\spacesplit#1#2^^M{\endgroup\spacesplitfoo{#1}#2 \relax\spacesplitfoo}%
+\long\gdef\spacesplitfoo#1#2 #3#4\spacesplitfoo{%
+\ifx\relax #3%
+#1{#2}{}\else #1{#2}{#3#4}\fi}}
+
+% So much for the things common to all kinds of definitions.
+
+% Define @defun.
+
+% First, define the processing that is wanted for arguments of \defun
+% Use this to expand the args and terminate the paragraph they make up
+
+\def\defunargs #1{\functionparens \sl #1%
+\ifnum\parencount=0 \else \errmessage{unbalanced parens in @def arguments}\fi%
+\interlinepenalty=10000
+\endgraf\vskip -\parskip \penalty 10000}
+
+% Do complete processing of one @defun or @defunx line already parsed.
+
+% @deffn Command forward-char nchars
+
+\def\deffn{\defmethparsebody\Edeffn\deffnx\deffnheader}
+
+\def\deffnheader #1#2#3{\doind {fn}{\code{#2}}%
+\begingroup\defname {#2}{#1}\defunargs{#3}\endgroup}
+
+% @defun == @deffn Function
+
+\def\defun{\defparsebody\Edefun\defunx\defunheader}
+
+\def\defunheader #1#2{\doind {fn}{\code{#1}}% Make entry in function index
+\begingroup\defname {#1}{Function}%
+\defunargs {#2}\endgroup %
+}
+
+% @defmac == @deffn Macro
+
+\def\defmac{\defparsebody\Edefmac\defmacx\defmacheader}
+
+\def\defmacheader #1#2{\doind {fn}{\code{#1}}% Make entry in function index
+\begingroup\defname {#1}{Macro}%
+\defunargs {#2}\endgroup %
+}
+
+% @defspec == @deffn Special Form
+
+\def\defspec{\defparsebody\Edefspec\defspecx\defspecheader}
+
+\def\defspecheader #1#2{\doind {fn}{\code{#1}}% Make entry in function index
+\begingroup\defname {#1}{Special form}%
+\defunargs {#2}\endgroup %
+}
+
+% This definition is run if you use @defunx
+% anywhere other than immediately after a @defun or @defunx.
+
+\def\deffnx #1 {\errmessage{@deffnx in invalid context}}
+\def\defunx #1 {\errmessage{@defunx in invalid context}}
+\def\defmacx #1 {\errmessage{@defmacx in invalid context}}
+\def\defspecx #1 {\errmessage{@defspecx in invalid context}}
+
+% @defmethod, and so on
+
+% @defop {Funny Method} foo-class frobnicate argument
+
+\def\defop #1 {\def\defoptype{#1}%
+\defopparsebody\Edefop\defopx\defopheader\defoptype}
+
+\def\defopheader #1#2#3{\dosubind {fn}{\code{#2}}{on #1}% Make entry in function index
+\begingroup\defname {#2}{\defoptype{} on #1}%
+\defunargs {#3}\endgroup %
+}
+
+% @defmethod == @defop Method
+
+\def\defmethod{\defmethparsebody\Edefmethod\defmethodx\defmethodheader}
+
+\def\defmethodheader #1#2#3{\dosubind {fn}{\code{#2}}{on #1}% entry in function index
+\begingroup\defname {#2}{Operation on #1}%
+\defunargs {#3}\endgroup %
+}
+
+% @defcv {Class Option} foo-class foo-flag
+
+\def\defcv #1 {\def\defcvtype{#1}%
+\defopparsebody\Edefcv\defcvx\defcvheader\defcvtype}
+
+\def\defcvarheader #1#2#3{%
+\dosubind {vr}{\code{#2}}{of #1}% Make entry in var index
+\begingroup\defname {#2}{\defcvtype of #1}%
+\defvarargs {#3}\endgroup %
+}
+
+% @defivar == @defcv {Instance Variable}
+
+\def\defivar{\defmethparsebody\Edefivar\defivarx\defivarheader}
+
+\def\defivarheader #1#2#3{%
+\dosubind {vr}{\code{#2}}{of #1}% Make entry in var index
+\begingroup\defname {#2}{Instance variable of #1}%
+\defvarargs {#3}\endgroup %
+}
+
+% These definitions are run if you use @defmethodx, etc.,
+% anywhere other than immediately after a @defmethod, etc.
+
+\def\defopx #1 {\errmessage{@defopx in invalid context}}
+\def\defmethodx #1 {\errmessage{@defmethodx in invalid context}}
+\def\defcvx #1 {\errmessage{@defcvx in invalid context}}
+\def\defivarx #1 {\errmessage{@defivarx in invalid context}}
+
+% Now @defvar
+
+% First, define the processing that is wanted for arguments of @defvar.
+% This is actually simple: just print them in roman.
+% This must expand the args and terminate the paragraph they make up
+\def\defvarargs #1{\normalparens #1%
+\interlinepenalty=10000
+\endgraf\vskip -\parskip \penalty 10000}
+
+% @defvr Counter foo-count
+
+\def\defvr{\defmethparsebody\Edefvr\defvrx\defvrheader}
+
+\def\defvrheader #1#2#3{\doind {vr}{\code{#2}}%
+\begingroup\defname {#2}{#1}\defvarargs{#3}\endgroup}
+
+% @defvar == @defvr Variable
+
+\def\defvar{\defparsebody\Edefvar\defvarx\defvarheader}
+
+\def\defvarheader #1#2{\doind {vr}{\code{#1}}% Make entry in var index
+\begingroup\defname {#1}{Variable}%
+\defvarargs {#2}\endgroup %
+}
+
+% @defopt == @defvr {User Option}
+
+\def\defopt{\defparsebody\Edefopt\defoptx\defoptheader}
+
+\def\defoptheader #1#2{\doind {vr}{\code{#1}}% Make entry in var index
+\begingroup\defname {#1}{User Option}%
+\defvarargs {#2}\endgroup %
+}
+
+% This definition is run if you use @defvarx
+% anywhere other than immediately after a @defvar or @defvarx.
+
+\def\defvrx #1 {\errmessage{@defvrx in invalid context}}
+\def\defvarx #1 {\errmessage{@defvarx in invalid context}}
+\def\defoptx #1 {\errmessage{@defoptx in invalid context}}
+
+% Now define @deftp
+% Args are printed in bold, a slight difference from @defvar.
+
+\def\deftpargs #1{\bf \defvarargs{#1}}
+
+% @deftp Class window height width ...
+
+\def\deftp{\defmethparsebody\Edeftp\deftpx\deftpheader}
+
+\def\deftpheader #1#2#3{\doind {tp}{\code{#2}}%
+\begingroup\defname {#2}{#1}\deftpargs{#3}\endgroup}
+
+% This definition is run if you use @deftpx, etc
+% anywhere other than immediately after a @deftp, etc.
+
+\def\deftpx #1 {\errmessage{@deftpx in invalid context}}
+
+\message{cross reference,}
+% Define cross-reference macros
+\newwrite \auxfile
+
+% \setref{foo} defines a cross-reference point named foo.
+
+\def\setref#1{%
+\dosetq{#1-pg}{Ypagenumber}%
+\dosetq{#1-snt}{Ysectionnumberandtype}}
+
+\def\unnumbsetref#1{%
+\dosetq{#1-pg}{Ypagenumber}%
+\dosetq{#1-snt}{Ynothing}}
+
+% \xref and \pxref generate cross references to specified points.
+
+\def\pxref #1{see \xrefX [#1,,,,,,,]}
+\def\xref #1{See \xrefX [#1,,,,,,,]}
+\def\xrefX [#1,#2,#3,#4,#5,#6]{%
+\setbox1=\hbox{\i{\losespace#5{}}}%
+\setbox0=\hbox{\losespace#3{}}%
+\ifdim \wd0 =0pt \setbox0=\hbox{\losespace#1{}}\fi%
+\ifdim \wd1 >0pt%
+section \unhbox0{} in \unhbox1%
+\else%
+\refx{#1-snt} [\unhbox0], page\tie \refx{#1-pg}%
+\fi }
+
+% \dosetq is the interface for calls from other macros
+
+\def\dosetq #1#2{{\let\folio=0%
+\edef\next{\write\auxfile{\internalsetq {#1}{#2}}}%
+\next}}
+
+% \internalsetq {foo}{page} expands into CHARACTERS 'xrdef {foo}{...expansion of \Ypage...}
+% When the aux file is read, ' is the escape character
+
+\def\internalsetq #1#2{'xrdef {#1}{\csname #2\endcsname}}
+
+% Things to be expanded by \internalsetq
+
+\def\Ypagenumber{\folio}
+
+\def\Ynothing{}
+
+\def\Ysectionnumberandtype{%
+\ifnum\secno=0 chapter\xreftie\the\chapno %
+\else \ifnum \subsecno=0 section\xreftie\the\chapno.\the\secno %
+\else \ifnum \subsubsecno=0 %
+section\xreftie\the\chapno.\the\secno.\the\subsecno %
+\else %
+section\xreftie\the\chapno.\the\secno.\the\subsecno.\the\subsubsecno %
+\fi \fi \fi }
+
+\gdef\xreftie{'tie}
+
+% Define @refx to reference a specific cross-reference string.
+
+\def\refx#1{%
+{%
+\expandafter\ifx\csname X#1\endcsname\relax
+% If not defined, say something at least.
+\expandafter\gdef\csname X#1\endcsname {$<$undefined$>$}%
+\message {WARNING: Cross-reference "#1" used but not yet defined}%
+\message {}%
+\fi %
+\csname X#1\endcsname %It's defined, so just use it.
+}}
+
+% Read the last existing aux file, if any.  No error if none exists.
+
+% This is the macro invoked by entries in the aux file.
+\def\xrdef #1#2{
+{\catcode`\'=\other\expandafter \gdef \csname X#1\endcsname {#2}}}
+
+\def\readauxfile{%
+\begingroup
+\catcode `\^^@=\other
+\catcode `\
=\other
+\catcode `\=\other
+\catcode `\^^C=\other
+\catcode `\^^D=\other
+\catcode `\^^E=\other
+\catcode `\^^F=\other
+\catcode `\^^G=\other
+\catcode `\^^H=\other
+\catcode `\=\other
+\catcode `\^^L=\other
+\catcode `\=\other
+\catcode `\=\other
+\catcode `\=\other
+\catcode `\=\other
+\catcode `\=\other
+\catcode `\=\other
+\catcode `\=\other
+\catcode `\=\other
+\catcode `\=\other
+\catcode `\=\other
+\catcode `\=\other
+\catcode `\=\other
+\catcode `\=\other
+\catcode `\^^[=\other
+\catcode `\^^\=\other
+\catcode `\^^]=\other
+\catcode `\^^^=\other
+\catcode `\^^_=\other
+\catcode `\@=\other
+\catcode `\^=\other
+\catcode `\~=\other
+\catcode `\[=\other
+\catcode `\]=\other
+\catcode`\"=\other
+\catcode`\_=\other
+\catcode`\|=\other
+\catcode`\<=\other
+\catcode`\>=\other
+\catcode `\$=\other
+\catcode `\#=\other
+\catcode `\&=\other
+% the aux file uses ' as the escape.
+% Turn off \ as an escape so we do not lose on
+% entries which were dumped with control sequences in their names.
+% For example, 'xrdef {$\leq $-fun}{page ...} made by @defun ^^
+% Reference to such entries still does not work the way one would wish,
+% but at least they do not bomb out when the aux file is read in.
+\catcode `\{=1 \catcode `\}=2
+\catcode `\%=\other
+\catcode `\'=0
+\catcode `\\=\other
+\openin 1 \jobname.aux
+\ifeof 1 \else \closein 1 \input \jobname.aux
+\fi
+% Open the new aux file.  Tex will close it automatically at exit.
+\openout \auxfile=\jobname.aux
+\endgroup}
+
+
+% Footnotes.
+
+\newcount \footnoteno
+
+\def\supereject{\par\penalty -20000\footnoteno =0 }
+
+\let\ptexfootnote=\footnote
+
+{\catcode `\@=11
+\gdef\footnote{\global\advance \footnoteno by \@ne
+\edef\thisfootno{$^{\the\footnoteno}$}%
+\let\@sf\empty
+\ifhmode\edef\@sf{\spacefactor\the\spacefactor}\/\fi
+\thisfootno\@sf\parsearg\footnotezzz}
+
+\gdef\footnotezzz #1{\insert\footins{
+\interlinepenalty\interfootnotelinepenalty
+\splittopskip\ht\strutbox % top baseline for broken footnotes
+\splitmaxdepth\dp\strutbox \floatingpenalty\@MM
+\leftskip\z@skip \rightskip\z@skip \spaceskip\z@skip \xspaceskip\z@skip
+\footstrut\hang\textindent{\thisfootno}#1\strut}}
+
+}%end \catcode `\@=11
+
+% End of control word definitions.
+
+\message{and turning on texinfo input format.}
+
+\def\openindices{%
+   \newindex{cp}%
+   \newcodeindex{fn}%
+   \newcodeindex{vr}%
+   \newcodeindex{tp}%
+   \newcodeindex{ky}%
+   \newcodeindex{pg}%
+}
+
+% Set some numeric style parameters, for 8.5 x 11 format.
+
+\hsize = 6.5in
+\parindent 15pt
+\parskip 18pt plus 1pt
+\baselineskip 15pt
+\advance\topskip by 1.2cm
+
+% Prevent underfull vbox error messages.
+\vbadness=10000
+
+% Use @smallbook to reset parameters for 7x9.5 format
+\def\smallbook{
+\global\lispnarrowing = 0.3in
+\global\baselineskip 12pt
+\global\parskip 3pt plus 1pt
+\global\hsize = 5in
+\global\doublecolumnhsize=2.4in \global\doublecolumnvsize=15.0in
+\global\vsize=7.5in
+\global\tolerance=700
+\global\hfuzz=1pt
+
+\global\pagewidth=\hsize
+\global\pageheight=\vsize
+\global\font\ninett=cmtt9
+
+\global\let\smalllisp=\smalllispx
+\global\let\smallexample=\smalllispx
+\global\def\Esmallexample{\Esmalllisp}
+}
+
+%% For a final copy, take out the rectangles
+%% that mark overfull boxes (in case you have decided
+%% that the text looks ok even though it passes the margin).
+\def\finalout{\overfullrule=0pt}
+
+% Turn off all special characters except @
+% (and those which the user can use as if they were ordinary)
+% Define certain chars to be always in tt font.
+
+\catcode`\"=\active
+\def\activedoublequote{{\tt \char '042}}
+\let"=\activedoublequote
+\catcode`\~=\active
+\def~{{\tt \char '176}}
+\chardef\hat=`\^
+\catcode`\^=\active
+\def^{{\tt \hat}}
+\catcode`\_=\active
+\def_{{\tt \char '137}}
+\catcode`\|=\active
+\def|{{\tt \char '174}}
+\chardef \less=`\<
+\catcode`\<=\active
+\def<{{\tt \less}}
+\chardef \gtr=`\>
+\catcode`\>=\active
+\def>{{\tt \gtr}}
+
+\catcode`\@=0
+
+% \rawbackslashxx output one backslash character in current font
+{\catcode`\\=\other
+@gdef@rawbackslashxx{\}}
+
+% \rawbackslash redefines \ as input to do \rawbackslashxx.
+{\catcode`\\=\active
+@gdef@rawbackslash{@let\=@rawbackslashxx }}
+
+% \normalbackslash outputs one backslash in fixed width font.
+\def\normalbackslash{{\tt\rawbackslashxx}}
+
+% Say @foo, not \foo, in error messages.
+\escapechar=`\@
+
+@c \catcode 17=0   @c Define control-q
+\catcode`\\=\active
+
+% If a .fmt file is being used, we don't want the `\input texinfo' to show up.
+% That is what \eatinput is for; after that, the `\' should revert to printing 
+% a backslash.
+%
+@gdef@eatinput input texinfo{@fixbackslash}
+@global@let\ = @eatinput
+
+% On the other hand, perhaps the file did not have a `\input texinfo'. Then
+% the first `\{ in the file would cause an error. This macro tries to fix 
+% that, assuming it is called before the first `\' could plausibly occur.
+% 
+@gdef@fixbackslash{@ifx\@eatinput @let\ = @normalbackslash @fi}
+
+%% These look ok in all fonts, so just make them not special.  The @rm below
+%% makes sure that the current font starts out as the newly loaded cmr10
+@catcode`@$=@other @catcode`@%=@other @catcode`@&=@other @catcode`@#=@other
+
+@textfonts
+@rm
diff --git a/usr.sbin/amd/fsinfo/Makefile b/usr.sbin/amd/fsinfo/Makefile
new file mode 100644
index 0000000..50f4642
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/Makefile
@@ -0,0 +1,30 @@
+#	@(#)Makefile	8.1 (Berkeley) 6/28/93
+
+PROG=	fsinfo
+MAN8=	fsinfo.0
+SRCS=	fsinfo.c fsi_gram.c fsi_lex.c \
+	fsi_util.c fsi_analyze.c fsi_dict.c \
+	wr_atab.c wr_bparam.c wr_dumpset.c \
+	wr_exportfs.c wr_fstab.c
+CLEANFILES= \
+	fsi_gram.c y.tab.c fsi_gram.h y.tab.h \
+	fsi_lex.c lex.yy.c y.output
+CFLAGS+=-I.
+CFLAGS+=-I${.CURDIR}/../include
+CFLAGS+=-I${.CURDIR}/../config
+CFLAGS+=-DOS_HDR=\"os-bsd44.h\"
+
+fsi_lex.o fsinfo.o: fsi_gram.h
+fsi_gram.c fsi_gram.h: ../fsinfo/fsi_gram.y
+	@echo "# expect 2 shift/reduce conflicts"
+	${YACC} -d ${.CURDIR}/fsi_gram.y
+	mv y.tab.c fsi_gram.c
+	mv y.tab.h fsi_gram.h
+
+fsi_lex.c: ../fsinfo/fsi_lex.l
+	${LEX} ${.CURDIR}/fsi_lex.l
+	mv lex.yy.c fsi_lex.c
+
+.PATH: ${.CURDIR}/../config
+.include "../../Makefile.inc"
+.include <bsd.prog.mk>
diff --git a/usr.sbin/amd/fsinfo/conf/automounts b/usr.sbin/amd/fsinfo/conf/automounts
new file mode 100644
index 0000000..ee4b4ee
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/automounts
@@ -0,0 +1,48 @@
+host localhost.doc.ic.ac.uk
+
+fs localhost:/localhost {
+	fstype = export
+	mount default {
+		exportfs ""
+		volname /home/localhost
+	}
+}
+
+automount opts "opts:=rw,nosuid,grpid" /vol {
+	rwho {}
+	r+d {}
+	public {}
+	src { gnu{} athena{} gould{} utx{} sos4{} xinu43{} }
+	export {
+		exec {
+			sun3 {}
+			sun4 {}
+		}
+		roots {}
+		swaps {
+			tsun1 {} tsun2 {} tsun3 {} tsun4 {} tsun5 {} tsun6 {}
+			tsun7 {} tsun8 {} tsun9 {} tsun10 {} tsun11 {} tsun12 {}
+			tsun13 {} tsun14 {} tsun15 {} tsun16 {} tsun17 {} tsun18 {}
+			tsun19 {}
+			tcsun1 {} tcsun2 {} tcsun3 {} tcsun4 {} tcsun5 {}
+		}
+		misc {}
+	}
+}
+
+automount opts "opts:=rw,nosuid,grpid" /home {
+	achilles {}
+	toytown {}
+	gummo {}
+	dylan { dk2{} dk5 {} }
+	ganymede {}
+	gould { staff{} teach{} }
+	"localhost" -> localhost
+}
+
+automount opts "opts:=rw,nosuid,grpid" /homes {
+	opr -> /home/localhost/opr
+#include "users"
+}
+
+automount /usr/achilles = /home/achilles
diff --git a/usr.sbin/amd/fsinfo/conf/csg_sun3 b/usr.sbin/amd/fsinfo/conf/csg_sun3
new file mode 100644
index 0000000..7d75db2
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/csg_sun3
@@ -0,0 +1,18 @@
+// $Id$
+// standard setups for DoC tsuns.
+// note that no /var/spool/rwho is mounted as we now expect amd to do this as /vol/rwho
+
+// a sun3
+#ifndef SOS4_SYS_OPTS
+#define SOS4_SYS_OPTS grpid,hard,intr
+#endif
+#define CSG_SUN3(HOST,DOMAIN,BOOT,EXEC) \
+host HOST.DOMAIN \
+\
+mount /vol/export/roots/HOST as / from BOOT opts rw,SOS4_SYS_OPTS \
+mount /vol/export/swaps/HOST fstype swap as swap from BOOT opts swap \
+mount /vol/export/exec/sun3 as /usr from EXEC opts ro,SOS4_SYS_OPTS \
+mount /vol/export/misc/crash/HOST as /var/crash/HOST from EXEC opts rw,nosuid,SOS4_SYS_OPTS \
+mount /vol/export/misc/tmp/HOST as /tmp from EXEC opts rw,nosuid,SOS4_SYS_OPTS \
+mount /vol/export/misc/usr.tmp/HOST as /var/tmp from EXEC opts rw,nosuid,SOS4_SYS_OPTS \
+mount /var/mmdf from BOOT opts rw,nosuid,SOS4_SYS_OPTS
diff --git a/usr.sbin/amd/fsinfo/conf/csg_vax b/usr.sbin/amd/fsinfo/conf/csg_vax
new file mode 100644
index 0000000..0ef23a5
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/csg_vax
@@ -0,0 +1,67 @@
+// $Id$
+// csg vax config - really just for {s,r}vax
+
+#define FSTYPE_UFS	4.2
+#define DEFAULT_OPTS	rw
+
+#define CSG_VAX(HOST,DOMAIN) \
+host HOST.DOMAIN\
+\
+/*\
+arch vax\
+os xinu43\
+cluster csg\
+dumphost flamingo.doc.ic.ac.uk\
+*/\
+\
+// root\
+fs /dev/hp0a {\
+	fstype = FSTYPE_UFS\
+	opts = DEFAULT_OPTS\
+	freq = 1\
+	passno = 1\
+	mount / {}\
+}\
+\
+// swap\
+fs /dev/hp0b {\
+	fstype = swap\
+}\
+\
+// usr\
+fs /dev/hp0e {\
+	fstype = FSTYPE_UFS\
+	opts = DEFAULT_OPTS\
+	freq = 1\
+	passno = 2\
+	mount /usr {\
+		exportfs "\\\
+			sky.doc.ic.ac.uk\\\
+			svax.doc.ic.ac.uk\\\
+			rvax.doc.ic.ac.uk\\\
+			ivax.doc.ic.ac.uk\\\
+		"\
+	}\
+}\
+\
+// var\
+fs /dev/hp0d {\
+	fstype = FSTYPE_UFS\
+	opts = DEFAULT_OPTS\
+	freq = 1\
+	passno = 3\
+	mount /var {}\
+}\
+\
+// home directories\
+fs /dev/hp0f {\
+	fstype = FSTYPE_UFS\
+	opts = DEFAULT_OPTS\
+	freq = 1\
+	passno = 3\
+	mount /a/HOST/home/HOST {\
+		exportfs "\\\
+			teach_hosts\\\
+		"\
+	}\
+}
\ No newline at end of file
diff --git a/usr.sbin/amd/fsinfo/conf/diskless_sun3_sos4 b/usr.sbin/amd/fsinfo/conf/diskless_sun3_sos4
new file mode 100644
index 0000000..0cacb20
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/diskless_sun3_sos4
@@ -0,0 +1,9 @@
+#define DISKLESS_SUN3_SOS4(HOST,DOMAIN,BOOTSERVER) \
+host HOST.DOMAIN \
+\
+mount /export/root/HOST as / from BOOTSERVER opts rw,grpid,intr \
+mount /export/swap/HOST as swap fstype swap from BOOTSERVER opts swap \
+mount /export/exec/sun3 as /usr from BOOTSERVER opts rw,grpid,intr \
+mount /var/clients/HOST as /var from BOOTSERVER opts rw,grpid,intr,nosuid \
+mount /var/clients/HOST.tmp as /tmp from BOOTSERVER opts rw,grpid,intr,nosuid \
+mount /var/spool/mail from BOOTSERVER opts rw,grpid,intr,nosuid
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/achilles.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/achilles.doc.ic.ac.uk
new file mode 100644
index 0000000..6a46ce8
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/achilles.doc.ic.ac.uk
@@ -0,0 +1,116 @@
+// mkfsinfo
+
+host achilles.doc.ic.ac.uk
+
+/*
+arch sun4
+os sos4
+cluster theory
+dumphost achilles.doc.ic.ac.uk
+*/
+
+// SWAP Partitions
+fs /dev/xd0b {
+	fstype = swap
+}
+
+fs /dev/xd1b {
+	fstype = swap
+}
+
+// ROOT
+fs /dev/xd0a {
+	fstype = 4.2
+	opts = rw,noquota,grpid
+	passno = 1;
+	freq = 1;
+	mount / { }
+}
+
+// ROOT Backup
+fs /dev/xd1a {
+	fstype = ignore
+	opts = rw,noquota,grpid
+	passno = 1;
+	freq = 1;
+	mount /backup { }
+}
+
+fs /dev/xd1d {
+	fstype = 4.2
+	opts = rw,noquota,grpid
+	passno = 1;
+	freq = 1;
+	mount /export {
+		root {
+			truth { exportfs "-root=truth,access=truth" }
+		}
+		swap {
+			truth { exportfs "-root=truth,access=truth" }
+		}
+		exec {
+			sun4 { exportfs "-access=toytown_clients:hangers_on:gummo:harpo:opus,rw=dylan:truth:florence:toytown" }
+		}
+	}
+}
+
+fs /dev/xd1f {
+	fstype = 4.2
+	opts = rw,noquota,grpid
+	passno = 1;
+	freq = 1;
+	mount /var {
+		clients {
+			truth { exportfs "-root=truth,access=truth" }
+			truth.tmp { exportfs "-root=truth,access=truth" }
+		}
+		spool {
+			mail { exportfs "-root=truth,access=truth" }
+			rwho { exportfs "ro" volname /vol/rwho sel "byte==big" }
+		}
+	}
+}
+
+fs /dev/xd0d {
+	fstype = 4.2
+	opts = rw,noquota,grpid
+	passno = 1;
+	freq = 1;
+	mount /tmp {
+		X11NeWS { exportfs "-ro" }
+	}
+}
+
+fs /dev/xd0g {
+	fstype = 4.2
+	opts = rw,noquota,grpid
+	passno = 1
+	freq = 1
+	mount default {
+		exportfs "-access=toytown_clients:hangers_on"
+		volname /home/achilles
+	}
+}
+
+fs /dev/xd1g {
+	fstype = 4.2
+	opts = rw,noquota
+	passno = 1
+	freq = 1
+	mount /usr {
+		exportfs "-access=toytown_clients:hangers_on:gummo:harpo:opus,rw=dylan:truth:florence:toytown"
+		share {
+			volname "/usr/share"
+			//exportfs "blah"
+		}
+		src {
+			local {
+			//exportfs "-access=toytown:zebedee:dougal:dylan:florence:opus,rw=dylan:florence,root=dylan:florence"
+				bits { gnu { volname "/vol/src/gnu" } }
+				athena { volname "/vol/src/athena" }
+			}
+		}
+	}
+}
+
+/*mount /export/exec/sun3 fstype nfs from gould.doc.ic.ac.uk as /usr opts "rw"*/
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/bigears.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/bigears.doc.ic.ac.uk
new file mode 100644
index 0000000..bda2fd8
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/bigears.doc.ic.ac.uk
@@ -0,0 +1,3 @@
+#include "../diskless_sun3_sos4"
+
+DISKLESS_SUN3_SOS4(bigears,doc.ic.ac.uk,toytown.doc.ic.ac.uk)
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/dylan.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/dylan.doc.ic.ac.uk
new file mode 100644
index 0000000..5284147
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/dylan.doc.ic.ac.uk
@@ -0,0 +1,68 @@
+// mkfsinfo
+
+host dylan.doc.ic.ac.uk
+
+// SWAP
+fs /dev/dsk/0s0 {
+	fstype = swap
+}
+
+// SWAP
+fs /dev/dsk/1s0 {
+	fstype = swap
+}
+
+// ROOT
+fs /dev/dsk/0s0 {
+	fstype = hfs
+	opts = rw,noquota,grpid
+	passno = 0;
+	freq = 1;
+	mount / { }
+}
+
+fs /dev/dsk/1s0 {
+	fstype = hfs
+	opts = defaults
+	passno = 1;
+	freq = 1;
+	mount /usr {
+		local {
+			exportfs "dougal eden dylan zebedee brian"
+			volname /nfs/hp300/local
+		}
+	}
+}
+
+fs /dev/dsk/2s0 {
+	fstype = hfs
+	opts = defaults
+	passno = 1;
+	freq = 1;
+	mount default {
+		exportfs "toytown_clients hangers_on"
+		volname /home/dylan/dk2
+	}
+}
+
+fs /dev/dsk/3s0 {
+	fstype = hfs
+	opts = defaults
+	passno = 1;
+	freq = 1;
+	mount default {
+		exportfs "toytown_clients hangers_on"
+		volname /home/dylan/dk3
+	}
+}
+
+fs /dev/dsk/5s0 {
+	fstype = hfs
+	opts = defaults
+	passno = 1;
+	freq = 1;
+	mount default {
+		exportfs "toytown_clients hangers_on"
+		volname /home/dylan/dk5
+	}
+}
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/flamingo.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/flamingo.doc.ic.ac.uk
new file mode 100644
index 0000000..31f1be0
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/flamingo.doc.ic.ac.uk
@@ -0,0 +1,104 @@
+// mkfsinfo for flamingo
+// $Id$
+
+host flamingo.doc.ic.ac.uk
+
+/*
+arch sun3
+os sos4
+cluster csg
+dumphost flamingo.doc.ic.ac.uk
+*/
+
+#define FSTYPE_UFS	4.2
+#define	DEFAULT_OPTS	rw,noquota,nosuid,grpid
+
+// swap
+fs /dev/xy0b {
+	fstype = swap
+}
+	
+// root
+fs /dev/xy0a {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	passno = 1
+	freq = 1
+	dumpset = csg_sun3_vax
+	mount / {}
+}
+	
+// usr
+fs /dev/xy0f {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 2
+	dumpset = csg_sun3_vax
+	mount /usr {
+		volname /vol/export/exec/sun3
+		exportfs "-ro,access=teach_hosts:ssun2.doc.ic.ac.uk:pelican:gould,\
+			root=gould:pelican:ssun2.doc.ic.ac.uk"
+	}
+}
+	
+// tmp
+fs /dev/xy0d {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS,nosuid
+	freq = 1
+	passno = 3
+	mount /tmp {
+		exportfs "-access=ssun1:tsunfs,root=tsunfs"
+	}
+}
+	
+// var
+fs /dev/xy0e {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 4
+	dumpset = csg_sun3_vax
+	mount /var {
+		tmp {
+			exportfs "-access=ssun1:sky.doc.ic.ac.uk"
+		}
+		crash {
+			exportfs "-access=ssun1"
+		}
+		misc {
+			exportfs "-access=teach_hosts"
+		}
+		spool {
+			rwho {
+				volname /vol/rwho
+				exportfs "-ro,access=teach_hosts"
+				sel "byte==big"
+			}
+		}
+	}
+}
+	
+// source - sos4
+fs /dev/xy0h {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 6
+	mount /usr/src {
+		volname /vol/src/sos4
+		exportfs "-access=svax:pelican:gould,root=pelican:svax"
+	}
+}
+	
+// home directories
+fs /dev/xy0g {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 5
+	mount /a/flamingo/home/flamingo {
+		exportfs "-access=teach_hosts:thp_hosts:ssun2:obsidian:truth,root=gould"
+	}
+}
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/ganymede.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/ganymede.doc.ic.ac.uk
new file mode 100644
index 0000000..e847c85
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/ganymede.doc.ic.ac.uk
@@ -0,0 +1,33 @@
+host ganymede.doc.ic.ac.uk
+
+fs /dev/xy0a {
+	fstype = 4.2
+	opts = rw
+	freq = 1
+	passno = 1
+	mount / {
+	}
+}
+
+fs /dev/xy0g {
+	fstype = 4.2
+	opts = rw
+	freq = 1
+	passno = 2
+	mount /usr {
+		exportfs "-access=toytown:toytown_clients"
+	}
+}
+
+fs /dev/xy0h {
+	fstype = 4.2
+	opts = rw
+	freq = 1
+	passno = 3
+	mount /home/ganymede {
+		exportfs "-access=toytown_clients:samson:hangers_on"
+	}
+}
+
+mount /home/toytown opts rw,bg,nosuid
+mount /usr/local from toytown.doc.ic.ac.uk opts ro,bg
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/gould.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/gould.doc.ic.ac.uk
new file mode 100644
index 0000000..8804c8e
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/gould.doc.ic.ac.uk
@@ -0,0 +1,477 @@
+// mkfsinfo for gould
+// $Id$
+
+host gould.doc.ic.ac.uk
+
+/*
+arch powernode
+os utx21
+cluster csg
+dumphost flamingo.doc.ic.ac.uk
+*/
+
+#define FSTYPE_UFS	4.3
+#define	DEFAULT_OPTS	rw,noquota
+
+// swap
+fs /dev/dk0b {
+	fstype = swap
+}
+
+fs /dev/dk1b {
+	fstype = swap
+}
+
+fs /dev/dk4b {
+	fstype = swap
+}
+	
+// root
+fs /dev/dk0a {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	passno = 1
+	freq = 1
+	dumpset = csg_nightly
+	mount / {}
+}
+	
+// root backup
+fs /dev/dk4a {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 4
+	mount /backup {}
+}
+	
+// usr
+fs /dev/dk4d {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 2
+	dumpset = csg_nightly
+	mount /usr {}
+}
+	
+// tmp
+fs /dev/dk1a {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS,nosuid
+	freq = 0
+	passno = 2
+	mount /tmp {}
+}
+	
+// var
+fs /dev/dk4g {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 3
+	dumpset = csg_nightly
+	mount /var {}
+}
+	
+// shared stuff - usually for Suns
+fs /dev/dk5f {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 6
+	mount /usr/share {
+		exportfs "-rdonly=1 \
+			ivax.doc.ic.ac.uk \
+			rvax.doc.ic.ac.uk \
+			ssun1.doc.ic.ac.uk \
+			ssun2.doc.ic.ac.uk \
+			svax.doc.ic.ac.uk \
+			tsun1.doc.ic.ac.uk \
+			tsun10.doc.ic.ac.uk \
+			tsun11.doc.ic.ac.uk \
+			tsun12.doc.ic.ac.uk \
+			tsun13.doc.ic.ac.uk \
+			tsun14.doc.ic.ac.uk \
+			tsun15.doc.ic.ac.uk \
+			tsun16.doc.ic.ac.uk \
+			tsun17.doc.ic.ac.uk \
+			tsun18.doc.ic.ac.uk \
+			tsun19.doc.ic.ac.uk \
+			tsun2.doc.ic.ac.uk \
+			tsun3.doc.ic.ac.uk \
+			tsun4.doc.ic.ac.uk \
+			tsun5.doc.ic.ac.uk \
+			tsun6.doc.ic.ac.uk \
+			tsun7.doc.ic.ac.uk \
+			tsun8.doc.ic.ac.uk \
+			tsun9.doc.ic.ac.uk \
+			tsunfs.doc.ic.ac.uk \
+			flamingo.doc.ic.ac.uk \
+			pelican.doc.ic.ac.uk \
+			oriona \
+			sky.doc.ic.ac.uk \
+			whoops.doc.ic.ac.uk \
+			whoops \
+		"
+	}
+}
+	
+// spool stuff, including the news
+fs /dev/dk4f {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 5
+	mount /var/spool {
+		exportfs "\
+			oriona \
+			rpcsfg \
+		"
+	}
+}
+	
+fs /dev/dk3h {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 2
+	mount /var/spool/News {}
+}
+	
+// this is the public ftp area
+fs /dev/dk3f {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 4
+	mount /usr/reserve {
+		PUBLIC {
+			volname /vol/public
+			exportfs "\
+				oriona \
+				ssun1.doc.ic.ac.uk \
+				ssun2.doc.ic.ac.uk \
+				obsidian \
+				gummo \
+				tsunfs.doc.ic.ac.uk \
+				flamingo.doc.ic.ac.uk \
+			"
+		}
+	}
+}
+	
+// sources - local and public
+fs /dev/dk7c {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 2
+	dumpset = csg_nightly
+	mount /usr/src {
+		volname /vol/src/gould
+		exportfs "\
+			flamingo.doc.ic.ac.uk \
+			pelican.doc.ic.ac.uk \
+			oriona \
+			ssun1.doc.ic.ac.uk \
+			svax.doc.ic.ac.uk \
+			rvax.doc.ic.ac.uk \
+			obsidian \
+			tsunfs \
+		"
+	}
+}
+	
+// sources - utx
+fs /dev/dk4e {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 6
+	dumpset = csg_nightly
+	mount /usr/src/utx {
+		volname /vol/src/utx
+		exportfs "-rdonly=1 \
+			flamingo.doc.ic.ac.uk \
+		"
+	}
+}
+	
+// home directories
+fs /dev/dk1h {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 3
+	dumpset = csg_nightly
+	mount /home/gould/teach {
+		exportfs "\
+			thp1 \
+			thp2 \
+			thp3 \
+			thp4 \
+			thp5 \
+			thp6 \
+			thp7 \
+			thp8 \
+			thp9 \
+			thp10 \
+			thpfs \
+			ivax.doc.ic.ac.uk \
+			rvax.doc.ic.ac.uk \
+			ssun1.doc.ic.ac.uk \
+			ssun2.doc.ic.ac.uk \
+			svax.doc.ic.ac.uk \
+			tsun1.doc.ic.ac.uk \
+			tsun10.doc.ic.ac.uk \
+			tsun11.doc.ic.ac.uk \
+			tsun12.doc.ic.ac.uk \
+			tsun13.doc.ic.ac.uk \
+			tsun14.doc.ic.ac.uk \
+			tsun15.doc.ic.ac.uk \
+			tsun16.doc.ic.ac.uk \
+			tsun17.doc.ic.ac.uk \
+			tsun18.doc.ic.ac.uk \
+			tsun19.doc.ic.ac.uk \
+			tsun2.doc.ic.ac.uk \
+			tsun3.doc.ic.ac.uk \
+			tsun4.doc.ic.ac.uk \
+			tsun5.doc.ic.ac.uk \
+			tsun6.doc.ic.ac.uk \
+			tsun7.doc.ic.ac.uk \
+			tsun8.doc.ic.ac.uk \
+			tsun9.doc.ic.ac.uk \
+			tsunfs.doc.ic.ac.uk \
+			flamingo.doc.ic.ac.uk \
+			pelican.doc.ic.ac.uk \
+			oriona \
+			sky.doc.ic.ac.uk \
+			whoops.doc.ic.ac.uk \
+			whoops \
+			vlsi.doc.ic.ac.uk \
+			vlsi \
+		"
+	}
+}
+	
+fs /dev/dk0h {
+	fstype = FSTYPE_UFS
+	opts = rw,quota
+	freq = 1
+	passno = 2
+	dumpset = csg_nightly
+	mount /home/gould/staff {
+		exportfs "\
+			achilles \
+			thp1 \
+			thp2 \
+			thp3 \
+			thp4 \
+			thp5 \
+			thp6 \
+			thp7 \
+			thp8 \
+			thp9 \
+			thp10 \
+			thpfs \
+			ivax.doc.ic.ac.uk \
+			rvax.doc.ic.ac.uk \
+			ssun1.doc.ic.ac.uk \
+			ssun2.doc.ic.ac.uk \
+			svax.doc.ic.ac.uk \
+			tsun1.doc.ic.ac.uk \
+			tsun10.doc.ic.ac.uk \
+			tsun11.doc.ic.ac.uk \
+			tsun12.doc.ic.ac.uk \
+			tsun13.doc.ic.ac.uk \
+			tsun14.doc.ic.ac.uk \
+			tsun15.doc.ic.ac.uk \
+			tsun16.doc.ic.ac.uk \
+			tsun17.doc.ic.ac.uk \
+			tsun18.doc.ic.ac.uk \
+			tsun19.doc.ic.ac.uk \
+			tsun2.doc.ic.ac.uk \
+			tsun3.doc.ic.ac.uk \
+			tsun4.doc.ic.ac.uk \
+			tsun5.doc.ic.ac.uk \
+			tsun6.doc.ic.ac.uk \
+			tsun7.doc.ic.ac.uk \
+			tsun8.doc.ic.ac.uk \
+			tsun9.doc.ic.ac.uk \
+			tsunfs.doc.ic.ac.uk \
+			flamingo.doc.ic.ac.uk \
+			pelican.doc.ic.ac.uk \
+			oriona \
+			sky.doc.ic.ac.uk \
+			whoops.doc.ic.ac.uk \
+			whoops \
+			vlsi.doc.ic.ac.uk \
+			vlsi \
+			vlsi02 \
+		"
+	}
+}
+	
+// booting diskless suns
+fs /dev/dk5e {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 3
+	dumpset = csg_nightly
+	mount /export {
+#ifndef ok
+		volname /vol/export
+#endif
+		exportfs "\
+			-rootid=0 \
+			whoops \
+			whoops.doc.ic.ac.uk \
+		"
+		misc {
+			volname /vol/export/misc
+		}
+	}
+}
+	
+fs /dev/dk5a {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 4
+	dumpset = csg_nightly
+	mount /export/roots {
+		volname /vol/export/roots
+		exportfs "\
+			-rootid=0 \
+			whoops \
+			whoops.doc.ic.ac.uk \
+		"
+	}
+}
+	
+fs /dev/dk5d {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 5
+	dumpset = csg_nightly
+	mount /export/exec/sun3 {
+		volname /vol/export/exec/sun3
+		exportfs "\
+			ssun1.doc.ic.ac.uk \
+			ssun2.doc.ic.ac.uk \
+			tsun1.doc.ic.ac.uk \
+			tsun10.doc.ic.ac.uk \
+			tsun11.doc.ic.ac.uk \
+			tsun12.doc.ic.ac.uk \
+			tsun13.doc.ic.ac.uk \
+			tsun14.doc.ic.ac.uk \
+			tsun15.doc.ic.ac.uk \
+			tsun16.doc.ic.ac.uk \
+			tsun17.doc.ic.ac.uk \
+			tsun18.doc.ic.ac.uk \
+			tsun19.doc.ic.ac.uk \
+			tsun2.doc.ic.ac.uk \
+			tsun3.doc.ic.ac.uk \
+			tsun4.doc.ic.ac.uk \
+			tsun5.doc.ic.ac.uk \
+			tsun6.doc.ic.ac.uk \
+			tsun7.doc.ic.ac.uk \
+			tsun8.doc.ic.ac.uk \
+			tsun9.doc.ic.ac.uk \
+			tsunfs.doc.ic.ac.uk \
+			flamingo.doc.ic.ac.uk \
+			pelican.doc.ic.ac.uk \
+			whoops.doc.ic.ac.uk \
+			whoops \
+		"
+	}
+}
+
+// various r+d things - used for athena, etc
+fs /dev/dk5g {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 2
+	mount /usr/r+d {
+		volname /vol/r+d
+		exportfs "\
+			ivax.doc.ic.ac.uk \
+			rvax.doc.ic.ac.uk \
+			ssun1.doc.ic.ac.uk \
+			ssun2.doc.ic.ac.uk \
+			svax.doc.ic.ac.uk \
+			tsun1.doc.ic.ac.uk \
+			tsun10.doc.ic.ac.uk \
+			tsun11.doc.ic.ac.uk \
+			tsun12.doc.ic.ac.uk \
+			tsun13.doc.ic.ac.uk \
+			tsun14.doc.ic.ac.uk \
+			tsun15.doc.ic.ac.uk \
+			tsun16.doc.ic.ac.uk \
+			tsun17.doc.ic.ac.uk \
+			tsun18.doc.ic.ac.uk \
+			tsun19.doc.ic.ac.uk \
+			tsun2.doc.ic.ac.uk \
+			tsun3.doc.ic.ac.uk \
+			tsun4.doc.ic.ac.uk \
+			tsun5.doc.ic.ac.uk \
+			tsun6.doc.ic.ac.uk \
+			tsun7.doc.ic.ac.uk \
+			tsun8.doc.ic.ac.uk \
+			tsun9.doc.ic.ac.uk \
+			tsunfs.doc.ic.ac.uk \
+			flamingo.doc.ic.ac.uk \
+			pelican.doc.ic.ac.uk \
+			oriona \
+			sky.doc.ic.ac.uk \
+			whoops.doc.ic.ac.uk \
+			whoops \
+		"
+	}
+}
+
+fs /dev/dk3d {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 3
+	mount /usr/r+d/r1 {
+		exportfs "\
+			ssun1.doc.ic.ac.uk \
+			ssun2.doc.ic.ac.uk \
+		"
+	}
+}
+
+fs /dev/dk4h {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 7
+	mount /usr/r+d/r2 {
+		exportfs "\
+			achilles \
+			gummo \
+			harpo \
+			oriona \
+			ssun1.doc.ic.ac.uk \
+			ssun2.doc.ic.ac.uk \
+			thpfs \
+			toytown \
+			obsidian \
+		"
+	}
+}
+
+// this bit of disc needs a name !
+fs /dev/dk5h {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 7
+	mount /mnt2 {}
+}
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/gummo.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/gummo.doc.ic.ac.uk
new file mode 100644
index 0000000..aae6a5d
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/gummo.doc.ic.ac.uk
@@ -0,0 +1,12 @@
+// mkfsinfo
+
+host gummo.doc.ic.ac.uk
+
+// ROOT
+fs /dev/xxx1 {
+	fstype = export
+	mount default {
+		exportfs ""
+		volname /home/gummo
+	}
+}
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/ivax.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/ivax.doc.ic.ac.uk
new file mode 100644
index 0000000..c8fcb5d
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/ivax.doc.ic.ac.uk
@@ -0,0 +1,84 @@
+// $Id$
+// ivax
+
+#define FSTYPE_UFS	4.2
+#define DEFAULT_OPTS	rw
+
+host {
+	config "NFS_SERVER=true"
+	config "NFS_CLIENT=true"
+	config "YP_SERVER=false"
+	config "YP_CLIENT=false"
+
+	arch = vax
+	os = xinu43
+	cluster = teach.doc.ic.ac.uk
+	netif il0 { hwaddr = "08:08:08:08:08:08" netmask = 0xfffffe00 inaddr = 129.31.80.36 }
+
+} ivax.doc.ic.ac.uk
+
+// root
+fs /dev/hp0a {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 1
+	mount / {}
+}
+
+// swap
+fs /dev/hp0b {
+	fstype = swap
+}
+
+// usr
+fs /dev/hp0e {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 2
+	mount /usr {
+		exportfs "\
+			sky.doc.ic.ac.uk\
+			svax.doc.ic.ac.uk\
+			rvax.doc.ic.ac.uk\
+			ivax.doc.ic.ac.uk\
+		"
+	}
+}
+
+// var
+fs /dev/hp0d {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 3
+	mount /var {}
+}
+
+// home directories
+fs /dev/hp0f {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 3
+	mount default {
+		volname /home/ivax
+		exportfs "\
+			sky.doc.ic.ac.uk\
+		"
+	}
+}
+
+// sources which are used by the gould for the infoserver
+fs /dev/hp2c {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 3
+	mount /public {
+		exportfs "\
+			gould\
+		"
+	}
+}
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/obsidian.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/obsidian.doc.ic.ac.uk
new file mode 100644
index 0000000..dd9f0f7
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/obsidian.doc.ic.ac.uk
@@ -0,0 +1,28 @@
+// $Id$
+// conf for obsidian
+
+#define FSTYPE_UFS	hfs
+#define DEFAULT_OPTS	rw
+
+host obsidian.doc.ic.ac.uk
+
+fs /dev/dsk/0s0 {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 1
+	mount / {}
+}
+
+fs /dev/dsk/1s0 {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 1
+	mount default {
+		volname /home/obsidian
+		exportfs "\
+			gould\
+		"
+	}
+}
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/pelican.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/pelican.doc.ic.ac.uk
new file mode 100644
index 0000000..1ffd8d7
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/pelican.doc.ic.ac.uk
@@ -0,0 +1,208 @@
+// mkfsinfo for pelican
+// $Id$
+
+host pelican.doc.ic.ac.uk
+
+/*
+arch sun3
+os sos4
+cluster csg
+dumphost flamingo.doc.ic.ac.uk
+*/
+
+#define FSTYPE_UFS	4.2
+#define	DEFAULT_OPTS	rw,noquota,nosuid,grpid
+
+// swap
+fs /dev/xd0b {
+	fstype = swap
+}
+	
+// root
+fs /dev/xd0a {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	passno = 1
+	freq = 1
+	dumpset = csg_sun3_vax
+	mount / {
+		exportfs "-ro,access=tsunfs,root=tsunfs"
+	}
+}
+	
+// usr
+fs /dev/xd0f {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 2
+	dumpset = csg_sun3_vax
+	mount /usr {
+		volname /vol/export/exec/sun3
+		exportfs "-ro,access=teach_hosts,root=gould:flamingo:tsunfs"
+	}
+}
+	
+// tmp
+fs /dev/xd0d {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS,nosuid
+	freq = 1
+	passno = 3
+	mount /tmp {
+		exportfs "\
+			-access=\
+				flamingo:\
+				tsun16.doc.ic.ac.uk:\
+				tsun17.doc.ic.ac.uk:\
+				tsun18.doc.ic.ac.uk:\
+				tsun19.doc.ic.ac.uk"
+	}
+}
+	
+// var
+fs /dev/xd0e {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 4
+	dumpset = csg_sun3_vax
+	mount /var {
+		misc {
+			// this is due to differences between tsunfs and pelican
+			volname /vol/export/misc
+			exportfs "\
+				-access=teach_hosts,\
+				root=\
+					tcsun1.doc.ic.ac.uk:\
+					tcsun2.doc.ic.ac.uk:\
+					tcsun3.doc.ic.ac.uk:\
+					tcsun4.doc.ic.ac.uk:\
+					tcsun5.doc.ic.ac.uk:\
+					tsun16.doc.ic.ac.uk:\
+					tsun17.doc.ic.ac.uk:\
+					tsun18.doc.ic.ac.uk:\
+					tsun19.doc.ic.ac.uk"
+		}
+		mmdf {
+			exportfs "\
+				-access=teach_hosts,\
+				root=\
+					tcsun1.doc.ic.ac.uk:\
+					tcsun2.doc.ic.ac.uk:\
+					tcsun3.doc.ic.ac.uk:\
+					tcsun4.doc.ic.ac.uk:\
+					tcsun5.doc.ic.ac.uk:\
+					tsun16.doc.ic.ac.uk:\
+					tsun17.doc.ic.ac.uk:\
+					tsun18.doc.ic.ac.uk:\
+					tsun19.doc.ic.ac.uk"
+		}
+		spool {
+			rwho {
+				volname /vol/rwho
+				exportfs "-ro,access=teach_hosts"
+				sel "byte==big"
+			}
+		}
+	}
+}
+	
+// export for diskless clients
+fs /dev/xd0h {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 6
+	mount /export {
+		roots {
+			tcsun1 {
+				volname /vol/export/roots/tcsun1
+				exportfs "-root=tcsun1.doc.ic.ac.uk,access=tcsun1.doc.ic.ac.uk"
+			}
+			tcsun2 {
+				volname /vol/export/roots/tcsun2
+				exportfs "-root=tcsun2.doc.ic.ac.uk,access=tcsun2.doc.ic.ac.uk"
+			}
+			tcsun3 {
+				volname /vol/export/roots/tcsun3
+				exportfs "-root=tcsun3.doc.ic.ac.uk,access=tcsun3.doc.ic.ac.uk"
+			}
+			tcsun4 {
+				volname /vol/export/roots/tcsun4
+				exportfs "-root=tcsun4.doc.ic.ac.uk,access=tcsun4.doc.ic.ac.uk"
+			}
+			tcsun5 {
+				volname /vol/export/roots/tcsun5
+				exportfs "-root=tcsun5.doc.ic.ac.uk,access=tcsun5.doc.ic.ac.uk"
+			}
+		
+			tsun16 {
+				volname /vol/export/roots/tsun16
+				exportfs "-root=tsun16.doc.ic.ac.uk,access=tsun16.doc.ic.ac.uk"
+			}
+			tsun17 {
+				volname /vol/export/roots/tsun17
+				exportfs "-root=tsun17.doc.ic.ac.uk,access=tsun17.doc.ic.ac.uk"
+			}
+			tsun18 {
+				volname /vol/export/roots/tsun18
+				exportfs "-root=tsun18.doc.ic.ac.uk,access=tsun18.doc.ic.ac.uk"
+				}
+			tsun19 {
+				volname /vol/export/roots/tsun19
+				exportfs "-root=tsun19.doc.ic.ac.uk,access=tsun19.doc.ic.ac.uk"
+			}
+		}
+		swaps {
+			tcsun1 {
+				volname /vol/export/swaps/tcsun1
+				exportfs "-root=tcsun1.doc.ic.ac.uk,access=tcsun1.doc.ic.ac.uk"
+			}
+			tcsun2 {
+				volname /vol/export/swaps/tcsun2
+				exportfs "-root=tcsun2.doc.ic.ac.uk,access=tcsun2.doc.ic.ac.uk"
+			}
+			tcsun3 {
+				volname /vol/export/swaps/tcsun3
+				exportfs "-root=tcsun3.doc.ic.ac.uk,access=tcsun3.doc.ic.ac.uk"
+			}
+			tcsun4 {
+				volname /vol/export/swaps/tcsun4
+				exportfs "-root=tcsun4.doc.ic.ac.uk,access=tcsun4.doc.ic.ac.uk"
+			}
+			tcsun5 {
+				volname /vol/export/swaps/tcsun5
+				exportfs "-root=tcsun5.doc.ic.ac.uk,access=tcsun5.doc.ic.ac.uk"
+			}
+			tsun16 {
+				volname /vol/export/swaps/tsun16
+				exportfs "-root=tsun16.doc.ic.ac.uk,access=tsun16.doc.ic.ac.uk"
+			}
+			tsun17 {
+				volname /vol/export/swaps/tsun17
+				exportfs "-root=tsun17.doc.ic.ac.uk,access=tsun17.doc.ic.ac.uk"
+			}
+			tsun18 {
+				volname /vol/export/swaps/tsun18
+				exportfs "-root=tsun18.doc.ic.ac.uk,access=tsun18.doc.ic.ac.uk"
+			}
+			tsun19 {
+				volname /vol/export/swaps/tsun19
+				exportfs "-root=tsun19.doc.ic.ac.uk,access=tsun19.doc.ic.ac.uk"
+			}
+		}
+	}
+}
+	
+// home directories
+fs /dev/xd0g {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 5
+	mount default {
+		volname /home/pelican
+		exportfs "-access=teach_hosts:thp_hosts:ssun2:obsidian:truth,root=gould"
+	}
+}
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/rvax.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/rvax.doc.ic.ac.uk
new file mode 100644
index 0000000..303d552
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/rvax.doc.ic.ac.uk
@@ -0,0 +1,66 @@
+// $Id$
+// rvax
+
+#define FSTYPE_UFS	4.2
+#define DEFAULT_OPTS	rw
+
+host rvax.doc.ic.ac.uk
+
+/*
+arch vax
+os xinu43
+cluster csg
+dumphost flamingo.doc.ic.ac.uk
+*/
+
+// root
+fs /dev/hp0a {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 1
+	mount / {}
+}
+
+// swap
+fs /dev/hp0b {
+	fstype = swap
+}
+
+// usr
+fs /dev/hp0e {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 2
+	mount /usr {
+		exportfs "\
+			sky.doc.ic.ac.uk\
+			svax.doc.ic.ac.uk\
+			rvax.doc.ic.ac.uk\
+			ivax.doc.ic.ac.uk\
+		"
+	}
+}
+
+// var
+fs /dev/hp0d {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 3
+	mount /var {}
+}
+
+// home directories
+fs /dev/hp0f {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 3
+	mount /a/rvax/home/rvax {
+		exportfs "\
+			teach_hosts\
+		"
+	}
+}
\ No newline at end of file
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/sky.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/sky.doc.ic.ac.uk
new file mode 100644
index 0000000..7877659
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/sky.doc.ic.ac.uk
@@ -0,0 +1,79 @@
+// $Id$
+// sky
+
+#define FSTYPE_UFS	4.2
+#define DEFAULT_OPTS	rw
+
+host sky.doc.ic.ac.uk
+
+/*
+arch vax
+os xinu43
+cluster csg
+dumphost flamingo.doc.ic.ac.uk
+*/
+
+// root
+fs /dev/hp0a {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 1
+	mount / {}
+}
+
+// swap
+fs /dev/hp0b {
+	fstype = swap
+}
+
+// usr
+fs /dev/hp0e {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 2
+	mount /usr {
+		exportfs "\
+			sky.doc.ic.ac.uk\
+			svax.doc.ic.ac.uk\
+			rvax.doc.ic.ac.uk\
+			ivax.doc.ic.ac.uk\
+		"
+	}
+}
+
+// var
+fs /dev/hp0d {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 3
+	mount /var {}
+}
+
+// home directories
+fs /dev/hp0f {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 3
+	mount /a/sky/home/sky {}
+}
+
+// 4.3 sources
+fs /dev/hp1g {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 2
+	mount /usr/src {
+		volname /vol/src/xinu43
+		exportfs "\
+			svax.doc.ic.ac.uk\
+			rvax.doc.ic.ac.uk\
+			sky.doc.ic.ac.uk\
+			ivax.doc.ic.ac.uk\
+		"
+	}
+}
\ No newline at end of file
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/svax.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/svax.doc.ic.ac.uk
new file mode 100644
index 0000000..aa99fbf
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/svax.doc.ic.ac.uk
@@ -0,0 +1,66 @@
+// $Id$
+// svax
+
+#define FSTYPE_UFS	4.2
+#define DEFAULT_OPTS	rw
+
+host svax.doc.ic.ac.uk
+
+/*
+arch vax
+os xinu43
+cluster csg
+dumphost flamingo.doc.ic.ac.uk
+*/
+
+// root
+fs /dev/hp0a {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 1
+	mount / {}
+}
+
+// swap
+fs /dev/hp0b {
+	fstype = swap
+}
+
+// usr
+fs /dev/hp0e {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 2
+	mount /usr {
+		exportfs "\
+			sky.doc.ic.ac.uk\
+			svax.doc.ic.ac.uk\
+			rvax.doc.ic.ac.uk\
+			ivax.doc.ic.ac.uk\
+		"
+	}
+}
+
+// var
+fs /dev/hp0d {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 3
+	mount /var {}
+}
+
+// home directories
+fs /dev/hp0f {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 3
+	mount /a/svax/home/svax {
+		exportfs "\
+			teach_hosts\
+		"
+	}
+}
\ No newline at end of file
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/tcsun1.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/tcsun1.doc.ic.ac.uk
new file mode 100644
index 0000000..1b10d84
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/tcsun1.doc.ic.ac.uk
@@ -0,0 +1,3 @@
+#include "../csg_sun3"
+
+CSG_SUN3(tcsun1,doc.ic.ac.uk,pelican.doc.ic.ac.uk,pelican.doc.ic.ac.uk)
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/tcsun2.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/tcsun2.doc.ic.ac.uk
new file mode 100644
index 0000000..933d2f4
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/tcsun2.doc.ic.ac.uk
@@ -0,0 +1,3 @@
+#include "../csg_sun3"
+
+CSG_SUN3(tcsun2,doc.ic.ac.uk,pelican.doc.ic.ac.uk,pelican.doc.ic.ac.uk)
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/tcsun3.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/tcsun3.doc.ic.ac.uk
new file mode 100644
index 0000000..ccef4d4
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/tcsun3.doc.ic.ac.uk
@@ -0,0 +1,3 @@
+#include "../csg_sun3"
+
+CSG_SUN3(tcsun3,doc.ic.ac.uk,pelican.doc.ic.ac.uk,pelican.doc.ic.ac.uk)
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/tcsun4.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/tcsun4.doc.ic.ac.uk
new file mode 100644
index 0000000..9de9a9a
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/tcsun4.doc.ic.ac.uk
@@ -0,0 +1,3 @@
+#include "../csg_sun3"
+
+CSG_SUN3(tcsun4,doc.ic.ac.uk,pelican.doc.ic.ac.uk,pelican.doc.ic.ac.uk)
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/tcsun5.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/tcsun5.doc.ic.ac.uk
new file mode 100644
index 0000000..7f268a0
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/tcsun5.doc.ic.ac.uk
@@ -0,0 +1,3 @@
+#include "../csg_sun3"
+
+CSG_SUN3(tcsun5,doc.ic.ac.uk,pelican.doc.ic.ac.uk,pelican.doc.ic.ac.uk)
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/toytown.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/toytown.doc.ic.ac.uk
new file mode 100644
index 0000000..7b27f16
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/toytown.doc.ic.ac.uk
@@ -0,0 +1,116 @@
+host toytown.doc.ic.ac.uk
+
+fs /dev/xy0a {
+	fstype = 4.2
+	opts = rw,noquota,grpid
+	freq = 25
+	passno = 1
+	mount / {
+	}
+}
+
+fs /dev/xy0g {
+	fstype = 4.2
+	opts = rw,noquota,grpid
+	freq = 25
+	passno = 2
+	mount /usr {
+		exportfs "-access=toytown_clients:hangers_on:pythagoras,ro"
+		sun3 { }
+		local { }
+	}
+}
+
+fs /dev/xy1g {
+	fstype = 4.2
+	opts = rw,grpid,nosuid
+	freq = 6
+	passno = 2
+	mount /home/toytown {
+		exportfs "-access=toytown_clients:hangers_on,root=achilles"
+	}
+}
+
+fs /dev/xy0f {
+	fstype = 4.2
+	opts = rw,noquota,grpid,nosuid
+	freq = 25
+	passno = 4
+	mount /var {
+		spool {
+			exportfs "-access=toytown_clients:hangers_on"
+			mail { }
+			rwho { volname /vol/rwho sel "byte==big" }
+/*
+			mail { exportfs "-access=toytown_clients:hangers_on" }
+			rwho { exportfs "ro" volname /vol/rwho sel "byte==big" }
+*/
+		}
+		clients {
+			archimedes { exportfs "-access=archimedes,root=archimedes" }
+			archimedes.tmp { exportfs "-access=archimedes,root=archimedes" }
+			aver { exportfs "-access=aver,root=aver" }
+			aver.tmp { exportfs "-access=aver,root=aver" }
+			bigears { exportfs "-access=bigears,root=bigears" }
+			bigears.tmp { exportfs "-access=bigears,root=bigears" }
+			diadem { exportfs "-access=diadem,root=diadem" }
+			diadem.tmp { exportfs "-access=diadem,root=diadem" }
+			montague { exportfs "-access=montague,root=montague" }
+			montague.tmp { exportfs "-access=montague,root=montague" }
+			noddy { exportfs "-access=noddy,root=noddy" }
+			noddy.tmp { exportfs "-access=noddy,root=noddy" }
+			pcplod { exportfs "-access=pcplod,root=pcplod" }
+			pcplod.tmp { exportfs "-access=pcplod,root=pcplod" }
+			samson { exportfs "-access=samson,root=samson" }
+			samson.tmp { exportfs "-access=samson,root=samson" }
+			turing { exportfs "-access=turing,root=turing" }
+			turing.tmp { exportfs "-access=turing,root=turing" }
+		}
+	}
+}
+
+fs /dev/xy0d {
+	fstype = 4.2
+	opts = rw,noquota,grpid,nosuid
+	freq = 25
+	passno = 3
+	mount /export {
+		exec {
+			sun3 { exportfs "-access=toytown_clients:hangers_on:pythagoras" }
+		}
+		root {
+			archimedes { exportfs "-access=archimedes,root=archimedes" }
+			aver { exportfs "-access=aver,root=aver" }
+			bigears { exportfs "-access=bigears,root=bigears" }
+			diadem { exportfs "-access=diadem,root=diadem" }
+			montague { exportfs "-access=montague,root=montague" }
+			noddy { exportfs "-access=noddy,root=noddy" }
+			pcplod { exportfs "-access=pcplod,root=pcplod" }
+			samson { exportfs "-access=samson,root=samson" }
+			turing { exportfs "-access=turing,root=turing" }
+		}
+		swap {
+			archimedes { exportfs "-access=archimedes,root=archimedes" }
+			aver { exportfs "-access=aver,root=aver" }
+			bigears { exportfs "-access=bigears,root=bigears" }
+			diadem { exportfs "-access=diadem,root=diadem" }
+			montague { exportfs "-access=montague,root=montague" }
+			noddy { exportfs "-access=noddy,root=noddy" }
+			pcplod { exportfs "-access=pcplod,root=pcplod" }
+			samson { exportfs "-access=samson,root=samson" }
+			turing { exportfs "-access=turing,root=turing" }
+		}
+	}
+}
+
+fs /dev/xy0b {
+	fstype = swap
+}
+
+fs /dev/xy1b {
+	fstype = swap
+}
+
+mount /home/ganymede opts rw,grpid,nosuid,bg,intr
+mount /home/achilles opts rw,grpid,nosuid,bg,intr
+mount /usr/src from achilles.doc.ic.ac.uk opts rw,grpid,nosuid,bg,intr
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/truth.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/truth.doc.ic.ac.uk
new file mode 100644
index 0000000..0139279
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/truth.doc.ic.ac.uk
@@ -0,0 +1,9 @@
+host truth.doc.ic.ac.uk
+
+mount /export/exec/sun4 from achilles.doc.ic.ac.uk as /usr opts "rw,grpid,intr"
+mount /export/root/truth from achilles.doc.ic.ac.uk as / opts "rw,grpid,intr"
+mount /export/swap/truth from achilles.doc.ic.ac.uk fstype swap as swap opts swap
+mount /var/clients/truth.tmp from achilles.doc.ic.ac.uk as /tmp opts "rw,nosuid,grpid,intr"
+mount /var/clients/truth from achilles.doc.ic.ac.uk as /var opts "rw,nosuid,grpid,intr"
+mount /var/spool/mail from achilles.doc.ic.ac.uk as /var/spool/mail opts "rw,nosuid,grpid,intr"
+mount /usr/src from achilles.doc.ic.ac.uk as /usr/src opts "rw,nosuid,grpid,intr,bg"
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/tsun1.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/tsun1.doc.ic.ac.uk
new file mode 100644
index 0000000..ff5016c
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/tsun1.doc.ic.ac.uk
@@ -0,0 +1,3 @@
+#include "../csg_sun3"
+
+CSG_SUN3(tsun1,doc.ic.ac.uk,tsunfs.doc.ic.ac.uk,gould.doc.ic.ac.uk)
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/tsun10.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/tsun10.doc.ic.ac.uk
new file mode 100644
index 0000000..2496cdb
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/tsun10.doc.ic.ac.uk
@@ -0,0 +1,3 @@
+#include "../csg_sun3"
+
+CSG_SUN3(tsun10,doc.ic.ac.uk,tsunfs.doc.ic.ac.uk,gould.doc.ic.ac.uk)
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/tsun11.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/tsun11.doc.ic.ac.uk
new file mode 100644
index 0000000..d6e7b9d
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/tsun11.doc.ic.ac.uk
@@ -0,0 +1,3 @@
+#include "../csg_sun3"
+
+CSG_SUN3(tsun11,doc.ic.ac.uk,tsunfs.doc.ic.ac.uk,gould.doc.ic.ac.uk)
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/tsun12.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/tsun12.doc.ic.ac.uk
new file mode 100644
index 0000000..a8439bb
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/tsun12.doc.ic.ac.uk
@@ -0,0 +1,3 @@
+#include "../csg_sun3"
+
+CSG_SUN3(tsun12,doc.ic.ac.uk,tsunfs.doc.ic.ac.uk,gould.doc.ic.ac.uk)
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/tsun13.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/tsun13.doc.ic.ac.uk
new file mode 100644
index 0000000..44e4956
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/tsun13.doc.ic.ac.uk
@@ -0,0 +1,3 @@
+#include "../csg_sun3"
+
+CSG_SUN3(tsun13,doc.ic.ac.uk,tsunfs.doc.ic.ac.uk,gould.doc.ic.ac.uk)
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/tsun14.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/tsun14.doc.ic.ac.uk
new file mode 100644
index 0000000..66a5051
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/tsun14.doc.ic.ac.uk
@@ -0,0 +1,3 @@
+#include "../csg_sun3"
+
+CSG_SUN3(tsun14,doc.ic.ac.uk,tsunfs.doc.ic.ac.uk,gould.doc.ic.ac.uk)
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/tsun15.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/tsun15.doc.ic.ac.uk
new file mode 100644
index 0000000..3246df3
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/tsun15.doc.ic.ac.uk
@@ -0,0 +1,3 @@
+#include "../csg_sun3"
+
+CSG_SUN3(tsun15,doc.ic.ac.uk,tsunfs.doc.ic.ac.uk,gould.doc.ic.ac.uk)
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/tsun16.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/tsun16.doc.ic.ac.uk
new file mode 100644
index 0000000..4ab7bd0
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/tsun16.doc.ic.ac.uk
@@ -0,0 +1,3 @@
+#include "../csg_sun3"
+
+CSG_SUN3(tsun16,doc.ic.ac.uk,pelican.doc.ic.ac.uk,pelican.doc.ic.ac.uk)
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/tsun17.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/tsun17.doc.ic.ac.uk
new file mode 100644
index 0000000..11ef757
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/tsun17.doc.ic.ac.uk
@@ -0,0 +1,3 @@
+#include "../csg_sun3"
+
+CSG_SUN3(tsun17,doc.ic.ac.uk,pelican.doc.ic.ac.uk,pelican.doc.ic.ac.uk)
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/tsun18.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/tsun18.doc.ic.ac.uk
new file mode 100644
index 0000000..fbdf879
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/tsun18.doc.ic.ac.uk
@@ -0,0 +1,3 @@
+#include "../csg_sun3"
+
+CSG_SUN3(tsun18,doc.ic.ac.uk,pelican.doc.ic.ac.uk,pelican.doc.ic.ac.uk)
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/tsun19.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/tsun19.doc.ic.ac.uk
new file mode 100644
index 0000000..da9aba8
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/tsun19.doc.ic.ac.uk
@@ -0,0 +1,3 @@
+#include "../csg_sun3"
+
+CSG_SUN3(tsun19,doc.ic.ac.uk,pelican.doc.ic.ac.uk,pelican.doc.ic.ac.uk)
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/tsun2.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/tsun2.doc.ic.ac.uk
new file mode 100644
index 0000000..b6fca77
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/tsun2.doc.ic.ac.uk
@@ -0,0 +1,3 @@
+#include "../csg_sun3"
+
+CSG_SUN3(tsun2,doc.ic.ac.uk,tsunfs.doc.ic.ac.uk,gould.doc.ic.ac.uk)
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/tsun3.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/tsun3.doc.ic.ac.uk
new file mode 100644
index 0000000..e40bd16
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/tsun3.doc.ic.ac.uk
@@ -0,0 +1,3 @@
+#include "../csg_sun3"
+
+CSG_SUN3(tsun3,doc.ic.ac.uk,tsunfs.doc.ic.ac.uk,gould.doc.ic.ac.uk)
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/tsun4.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/tsun4.doc.ic.ac.uk
new file mode 100644
index 0000000..cd97358
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/tsun4.doc.ic.ac.uk
@@ -0,0 +1,3 @@
+#include "../csg_sun3"
+
+CSG_SUN3(tsun4,doc.ic.ac.uk,tsunfs.doc.ic.ac.uk,gould.doc.ic.ac.uk)
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/tsun5.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/tsun5.doc.ic.ac.uk
new file mode 100644
index 0000000..3a8c7e2
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/tsun5.doc.ic.ac.uk
@@ -0,0 +1,3 @@
+#include "../csg_sun3"
+
+CSG_SUN3(tsun5,doc.ic.ac.uk,tsunfs.doc.ic.ac.uk,gould.doc.ic.ac.uk)
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/tsun6.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/tsun6.doc.ic.ac.uk
new file mode 100644
index 0000000..4c6ea76
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/tsun6.doc.ic.ac.uk
@@ -0,0 +1,3 @@
+#include "../csg_sun3"
+
+CSG_SUN3(tsun6,doc.ic.ac.uk,tsunfs.doc.ic.ac.uk,gould.doc.ic.ac.uk)
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/tsun7.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/tsun7.doc.ic.ac.uk
new file mode 100644
index 0000000..9df32a9
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/tsun7.doc.ic.ac.uk
@@ -0,0 +1,3 @@
+#include "../csg_sun3"
+
+CSG_SUN3(tsun7,doc.ic.ac.uk,tsunfs.doc.ic.ac.uk,gould.doc.ic.ac.uk)
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/tsun8.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/tsun8.doc.ic.ac.uk
new file mode 100644
index 0000000..e2b5e1f
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/tsun8.doc.ic.ac.uk
@@ -0,0 +1,3 @@
+#include "../csg_sun3"
+
+CSG_SUN3(tsun8,doc.ic.ac.uk,tsunfs.doc.ic.ac.uk,gould.doc.ic.ac.uk)
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/tsun9.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/tsun9.doc.ic.ac.uk
new file mode 100644
index 0000000..e82e815
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/tsun9.doc.ic.ac.uk
@@ -0,0 +1,3 @@
+#include "../csg_sun3"
+
+CSG_SUN3(tsun9,doc.ic.ac.uk,tsunfs.doc.ic.ac.uk,gould.doc.ic.ac.uk)
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/tsunfs.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/tsunfs.doc.ic.ac.uk
new file mode 100644
index 0000000..b09db9d
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/tsunfs.doc.ic.ac.uk
@@ -0,0 +1,211 @@
+// mkfsinfo for tsunfs
+// $Id$
+
+host tsunfs.doc.ic.ac.uk
+
+/*
+arch sun3
+os sos4
+cluster csg
+dumphost flamingo.doc.ic.ac.uk
+*/
+
+#define FSTYPE_UFS	4.2
+#define	DEFAULT_OPTS	rw,noquota,nosuid,grpid
+
+// swap
+fs /dev/xy0b {
+	fstype = swap
+}
+
+// root
+fs /dev/xy0a {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	passno = 1
+	freq = 1
+	dumpset = csg_sun3_vax
+	mount / {}
+}
+
+// usr
+fs /dev/xy0f {
+	fstype = FSTYPE_UFS
+	opts = rw,grpid
+	freq = 1
+	passno = 2
+	dumpset = csg_sun3_vax
+	mount /usr {}
+}
+
+// var
+fs /dev/xy0e {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 4
+	dumpset = csg_sun3_vax
+	mount /var {
+		mmdf {
+			exportfs "-access=teach_hosts,root=\
+				tsun1.doc.ic.ac.uk:\
+				tsun2.doc.ic.ac.uk:\
+				tsun3.doc.ic.ac.uk:\
+				tsun4.doc.ic.ac.uk:\
+				tsun5.doc.ic.ac.uk:\
+				tsun6.doc.ic.ac.uk:\
+				tsun7.doc.ic.ac.uk:\
+				tsun8.doc.ic.ac.uk:\
+				tsun9.doc.ic.ac.uk:\
+				tsun10.doc.ic.ac.uk:\
+				tsun11.doc.ic.ac.uk:\
+				tsun12.doc.ic.ac.uk:\
+				tsun13.doc.ic.ac.uk:\
+				tsun14.doc.ic.ac.uk:\
+				tsun15.doc.ic.ac.uk:\
+				ssun1.doc.ic.ac.uk:\
+				whoops.doc.ic.ac.uk:\
+			"
+		}
+	}
+}
+
+// root filesystems for diskless clients
+fs /dev/xy0d {
+	fstype = FSTYPE_UFS
+	opts = rw,grpid
+	freq = 1
+	passno = 3
+	mount /export/roots {
+		tsun1 {
+			volname /vol/export/roots/tsun1
+			exportfs "-root=tsun1.doc.ic.ac.uk,-access=tsun1.doc.ic.ac.uk"
+		}
+		tsun2 {
+			volname /vol/export/roots/tsun2
+			exportfs "-root=tsun2.doc.ic.ac.uk,-access=tsun2.doc.ic.ac.uk"
+		}
+		tsun3 {
+			volname /vol/export/roots/tsun3
+			exportfs "-root=tsun3.doc.ic.ac.uk,-access=tsun3.doc.ic.ac.uk"
+		}
+		tsun4 {
+			volname /vol/export/roots/tsun4
+			exportfs "-root=tsun4.doc.ic.ac.uk,-access=tsun4.doc.ic.ac.uk"
+		}
+		tsun5 {
+			volname /vol/export/roots/tsun5
+			exportfs "-root=tsun5.doc.ic.ac.uk,-access=tsun5.doc.ic.ac.uk"
+		}
+		tsun6 {
+			volname /vol/export/roots/tsun6
+			exportfs "-root=tsun6.doc.ic.ac.uk,-access=tsun6.doc.ic.ac.uk"
+		}
+		tsun7 {
+			volname /vol/export/roots/tsun7
+			exportfs "-root=tsun7.doc.ic.ac.uk,-access=tsun7.doc.ic.ac.uk"
+		}
+		tsun8 {
+			volname /vol/export/roots/tsun8
+			exportfs "-root=tsun8.doc.ic.ac.uk,-access=tsun8.doc.ic.ac.uk"
+		}
+		tsun9 {
+			volname /vol/export/roots/tsun9
+			exportfs "-root=tsun9.doc.ic.ac.uk,-access=tsun9.doc.ic.ac.uk"
+		}
+		tsun10 {
+			volname /vol/export/roots/tsun10
+			exportfs "-root=tsun10.doc.ic.ac.uk,-access=tsun10.doc.ic.ac.uk"
+		}
+		tsun11 {
+			volname /vol/export/roots/tsun11
+			exportfs "-root=tsun11.doc.ic.ac.uk,-access=tsun11.doc.ic.ac.uk"
+		}
+		tsun12 {
+			volname /vol/export/roots/tsun12
+			exportfs "-root=tsun12.doc.ic.ac.uk,-access=tsun12.doc.ic.ac.uk"
+		}
+		tsun13 {
+			volname /vol/export/roots/tsun13
+			exportfs "-root=tsun13.doc.ic.ac.uk,-access=tsun13.doc.ic.ac.uk"
+		}
+		tsun14 {
+			volname /vol/export/roots/tsun14
+			exportfs "-root=tsun14.doc.ic.ac.uk,-access=tsun14.doc.ic.ac.uk"
+		}
+		tsun15 {
+			volname /vol/export/roots/tsun15
+			exportfs "-root=tsun15.doc.ic.ac.uk,-access=tsun15.doc.ic.ac.uk"
+		}
+	}
+}
+
+// swap for diskless clients
+fs /dev/xy1c {
+	fstype = FSTYPE_UFS
+	opts = DEFAULT_OPTS
+	freq = 1
+	passno = 5
+	mount /export/swaps {
+		tsun1 {
+			volname /vol/export/swaps/tsun1
+			exportfs "-root=tsun1.doc.ic.ac.uk,-access=tsun1.doc.ic.ac.uk"
+		}
+		tsun2 {
+			volname /vol/export/swaps/tsun2
+			exportfs "-root=tsun2.doc.ic.ac.uk,-access=tsun2.doc.ic.ac.uk"
+		}
+		tsun3 {
+			volname /vol/export/swaps/tsun3
+			exportfs "-root=tsun3.doc.ic.ac.uk,-access=tsun3.doc.ic.ac.uk"
+		}
+		tsun4 {
+			volname /vol/export/swaps/tsun4
+			exportfs "-root=tsun4.doc.ic.ac.uk,-access=tsun4.doc.ic.ac.uk"
+		}
+		tsun5 {
+			volname /vol/export/swaps/tsun5
+			exportfs "-root=tsun5.doc.ic.ac.uk,-access=tsun5.doc.ic.ac.uk"
+		}
+		tsun6 {
+			volname /vol/export/swaps/tsun6
+			exportfs "-root=tsun6.doc.ic.ac.uk,-access=tsun6.doc.ic.ac.uk"
+		}
+		tsun7 {
+			volname /vol/export/swaps/tsun7
+			exportfs "-root=tsun7.doc.ic.ac.uk,-access=tsun7.doc.ic.ac.uk"
+		}
+		tsun8 {
+			volname /vol/export/swaps/tsun8
+			exportfs "-root=tsun8.doc.ic.ac.uk,-access=tsun8.doc.ic.ac.uk"
+		}
+		tsun9 {
+			volname /vol/export/swaps/tsun9
+			exportfs "-root=tsun9.doc.ic.ac.uk,-access=tsun9.doc.ic.ac.uk"
+		}
+		tsun10 {
+			volname /vol/export/swaps/tsun10
+			exportfs "-root=tsun10.doc.ic.ac.uk,-access=tsun10.doc.ic.ac.uk"
+		}
+		tsun11 {
+			volname /vol/export/swaps/tsun11
+			exportfs "-root=tsun11.doc.ic.ac.uk,-access=tsun11.doc.ic.ac.uk"
+		}
+		tsun12 {
+			volname /vol/export/swaps/tsun12
+			exportfs "-root=tsun12.doc.ic.ac.uk,-access=tsun12.doc.ic.ac.uk"
+		}
+		tsun13 {
+			volname /vol/export/swaps/tsun13
+			exportfs "-root=tsun13.doc.ic.ac.uk,-access=tsun13.doc.ic.ac.uk"
+		}
+		tsun14 {
+			volname /vol/export/swaps/tsun14
+			exportfs "-root=tsun14.doc.ic.ac.uk,-access=tsun14.doc.ic.ac.uk"
+		}
+		tsun15 {
+			volname /vol/export/swaps/tsun15
+			exportfs "-root=tsun15.doc.ic.ac.uk,-access=tsun15.doc.ic.ac.uk"
+		}
+	}
+}
diff --git a/usr.sbin/amd/fsinfo/conf/hosts/whoops.doc.ic.ac.uk b/usr.sbin/amd/fsinfo/conf/hosts/whoops.doc.ic.ac.uk
new file mode 100644
index 0000000..831053b
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/hosts/whoops.doc.ic.ac.uk
@@ -0,0 +1,21 @@
+// $Id$
+// sm's bastardised csg_sun3
+// note that no /var/spool/rwho is mounted as we now expect amd to do this as /vol/rwho
+
+#define HOST	whoops
+#define DOMAIN	doc.ic.ac.uk
+#define BOOT	gould.doc.ic.ac.uk
+#define EXEC	gould.doc.ic.ac.uk
+#define MAIL	tsunfs.doc.ic.ac.uk
+
+// a sun3
+host HOST.DOMAIN
+
+mount /vol/export/roots/HOST as / from BOOT opts rw,grpid,hard,intr
+mount /vol/export/swaps/HOST fstype swap as swap from BOOT opts swap
+mount /vol/export/exec/sun3 as /usr from EXEC opts ro,grpid,hard,intr
+mount /vol/export/misc/crash/HOST as /var/crash/HOST from EXEC opts rw,nosuid,grpid,hard,intr
+mount /vol/export/misc/tmp/HOST as /tmp from EXEC opts rw,nosuid,grpid,hard,intr
+mount /vol/export/misc/usr.tmp/HOST as /var/tmp from EXEC opts rw,nosuid,grpid,hard,intr
+mount /var/mmdf from MAIL opts rw,nosuid,grpid,hard,intr
+
diff --git a/usr.sbin/amd/fsinfo/conf/users b/usr.sbin/amd/fsinfo/conf/users
new file mode 100644
index 0000000..9dc83d9
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/conf/users
@@ -0,0 +1,106 @@
+audit	->	/etc/security/audit
+bin	->	/bin
+daemon	->	/
+games	->	/usr/games
+ingres	->	/usr/ingres
+news	->	/var/spool/news
+nobody	->	/nonexistent
+root	->	/
+sync	->	/
+sys	->	/
+sysdiag	->	/usr/diag/sysdiag
+uucp	->	/var/spool/uucppublic
+acwf	=	/home/toytown/others/acwf
+adh	=	/home/dylan/dk2/adh
+ae	=	/home/toytown/samson/ae
+aj	=	/home/toytown/samson/aj
+athena	=	/vol/src/athena
+bh	=	/home/toytown/jim/bh
+bp	=	/home/toytown/others/bp
+brg	=	/home/gummo/users/brg
+bt	=	/home/toytown/samson/bt
+ca	=	/home/toytown/diadem/ca
+ccm	=	/home/toytown/ai/ccm
+chlo	=	/home/toytown/samson/chlo
+clh	=	/home/toytown/ai/clh
+cr	=	/home/toytown/samson/cr
+cw	=	/home/toytown/genesis/cw
+dds	=	/home/toytown/genesis/dds
+dg	=	/home/toytown/dov/dg
+dgb	=	/home/dylan/dk2/dgb
+dme	=	/home/achilles/dme
+dp	=	/home/gummo/usersdiana
+ds	=	/home/toytown/ai/ds
+dwj	=	/home/achilles/dwj
+eaa	=	/home/toytown/dov/eaa
+esh	=	/home/toytown/ai/esh
+fcs	=	/home/ganymede/fcs
+fst	=	/home/dylan/dk2/fst
+glb	=	/home/toytown/ai/glb
+grace	=	/home/toytown/others/grace
+guest	=	/home/toytown/others/guest
+hd	=	/home/toytown/others/hd
+hf	=	/home/toytown/genesis/hf
+iccp	=	/home/toytown/samson/iccp
+ids	=	/home/toytown/samson/ids
+ih	=	/home/toytown/others/ih
+ja	=	/home/toytown/ai/ja
+jfc	=	/home/toytown/jim/jfc
+jg	=	/home/toytown/genesis/jg
+jjc	=	/home/toytown/genesis/jjc
+js	=	/home/toytown/samson/js
+jsp	=	/home/achilles/jsp
+jvp	=	/home/toytown/jim/jvp
+kdr	=	/home/dylan/dk2/kdr
+kevin	=	/home/toytown/others/kpt
+kpt	=	/home/toytown/others/kpt
+ksa	=	/home/toytown/ai/ksa
+lkcl	=	/home/dylan/dk2/lkcl
+ll	=	/home/toytown/dov/ll
+ll1	=	/home/toytown/others/ll1
+lmjm	=	/home/toytown/others/lmjm
+lsh	=	/home/toytown/ai/lsh
+mb	=	/home/toytown/jim/mb
+md	=	/home/achilles/md
+mdr	=	/home/achilles/mdr
+mg	=	/home/ganymede/mg
+mjh	=	/home/toytown/others/mjh
+mrs	=	/home/achilles/mrs
+mwg	=	/home/achilles/mwg
+mwt	=	/home/achilles/mwt
+nd	=	/home/gummo/users/nd
+njw	=	/home/dylan/dk2/njw
+ok	=	/home/ganymede/ok
+pah	=	/home/toytown/jim/pah
+pdg	=	/home/toytown/samson/pdg
+phjk	=	/home/toytown/ai/phjk
+pm	=	/home/achilles/pm
+pm2	=	/home/dylan/dk2/pm2
+ps	=	/home/toytown/genesis/ps
+pt	=	/home/toytown/dov/pt
+pvr	=	/home/toytown/jim/pvr
+rgc	=	/home/toytown/jim/rgc
+rjc	=	/home/toytown/jim/rjc
+rjq	=	/home/achilles/rjq
+sa	=	/home/toytown/samson/sa
+shb	=	/home/toytown/others/shb
+shc	=	/home/dylan/dk2/shc
+sjk	=	/home/toytown/jim/sjk
+sjl2	=	/home/achilles/sjl2
+sjv	=	/home/ganymede/sjv
+sm	=	/home/toytown/others/sm
+sme	=	/home/ganymede/sme
+sph	=	/home/toytown/ai/sph
+ssp	=	/home/toytown/others/ssp
+sw	=	/home/toytown/others/sw
+sza	=	/home/ganymede/sza
+teb	=	/home/dylan/dk2/teb
+thp	=	/home/achilles/thp
+tm	=	/home/toytown/ai/tm
+tsem	=	/home/toytown/genesis/tsem
+umacd20	=	/home/ganymede/umacd20
+wmvh	=	/home/dylan/dk2/wmvh
+wrdo	=	/home/ganymede/wrdo
+ygal	=	/home/toytown/samson/ygal
+zmact03	=	/home/toytown/jim/zmact03
+zmacy26	=	/home/toytown/jim/zmacy26
diff --git a/usr.sbin/amd/fsinfo/fsi_analyze.c b/usr.sbin/amd/fsinfo/fsi_analyze.c
new file mode 100644
index 0000000..d436a49
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/fsi_analyze.c
@@ -0,0 +1,645 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)fsi_analyze.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: fsi_analyze.c,v 5.2.2.1 1992/02/09 15:09:41 jsp beta $
+ *
+ */
+
+/*
+ * Analyze filesystem declarations
+ *
+ * Note: most of this is magic!
+ */
+
+#include "../fsinfo/fsinfo.h"
+
+char *disk_fs_strings[] = {
+	"fstype", "opts", "dumpset", "passno", "freq", "mount", "log", 0,
+};
+
+char *mount_strings[] = {
+	"volname", "exportfs", 0,
+};
+
+char *fsmount_strings[] = {
+	"as", "volname", "fstype", "opts", "from", 0,
+};
+
+char *host_strings[] = {
+	"host", "netif", "config", "arch", "cluster", "os", 0,
+};
+
+char *ether_if_strings[] = {
+	"inaddr", "netmask", "hwaddr", 0,
+};
+
+/*
+ * Strip off the trailing part of a domain
+ * to produce a short-form domain relative
+ * to the local host domain.
+ * Note that this has no effect if the domain
+ * names do not have the same number of
+ * components.  If that restriction proves
+ * to be a problem then the loop needs recoding
+ * to skip from right to left and do partial
+ * matches along the way -- ie more expensive.
+ */
+void domain_strip(otherdom, localdom)
+char *otherdom, *localdom;
+{
+#ifdef PARTIAL_DOMAINS
+        char *p1 = otherdom-1;
+	char *p2 = localdom-1;
+
+        do {
+                if (p1 = strchr(p1+1, '.'))
+                if (p2 = strchr(p2+1, '.'))
+                if (STREQ(p1+1, p2+1)) {
+                        *p1 = '\0';
+                        break;
+                }
+        } while (p1 && p2);
+#else
+	char *p1, *p2;
+
+	if ((p1 = strchr(otherdom, '.')) &&
+			(p2 = strchr(localdom, '.')) &&
+			(strcmp(p1+1, p2+1) == 0))
+		*p1 = '\0';
+#endif /* PARTIAL_DOMAINS */
+}
+
+/*
+ * Take a little-endian domain name and
+ * transform into a big-endian Un*x pathname.
+ * For example: kiska.doc.ic -> ic/doc/kiska
+ */
+static char *compute_hostpath(hn)
+char *hn;
+{
+	char *p = strdup(hn);
+	char *d;
+	char path[MAXPATHLEN];
+
+	domain_strip(p, hostname);
+	path[0] = '\0';
+
+	do {
+		d = strrchr(p, '.');
+		if (d) {
+			*d = 0;
+			strcat(path, d+1);
+			strcat(path, "/");
+		} else {
+			strcat(path, p);
+		}
+	} while (d);
+
+	log("hostpath of '%s' is '%s'", hn, path);
+
+	strcpy(p, path);
+	return p;
+}
+
+static dict_ent *find_volname(nn)
+char *nn;
+{
+	dict_ent *de;
+	char *p = strdup(nn);
+	char *q;
+
+	do {
+		log("Searching for volname %s", p);
+		de = dict_locate(dict_of_volnames, p);
+		q = strrchr(p, '/');
+		if (q) *q = '\0';
+	} while (!de && q);
+
+	free(p);
+	return de;
+}
+
+static show_required(l, mask, info, hostname, strings)
+ioloc *l;
+int mask;
+char *info;
+char *hostname;
+char *strings[];
+{
+	int i;
+	log("mask left for %s:%s is %#x", hostname, info, mask);
+
+	for (i = 0; strings[i]; i++)
+		if (ISSET(mask, i))
+			lerror(l, "%s:%s needs field \"%s\"", hostname, info, strings[i]);
+}
+
+/*
+ * Check and fill in "exportfs" details.
+ * Make sure the m_exported field references
+ * the most local node with an "exportfs" entry.
+ */
+static int check_exportfs(q, e)
+qelem *q;
+mount *e;
+{
+	mount *mp;
+	int errors = 0;
+
+	ITER(mp, mount, q) {
+		if (ISSET(mp->m_mask, DM_EXPORTFS)) {
+			if (e)
+				lwarning(mp->m_ioloc, "%s has duplicate exportfs data", mp->m_name);
+			mp->m_exported = mp;
+			if (!ISSET(mp->m_mask, DM_VOLNAME))
+				set_mount(mp, DM_VOLNAME, strdup(mp->m_name));
+		} else {
+			mp->m_exported = e;
+		}
+
+		/*
+		 * Recursively descend the mount tree
+		 */
+		if (mp->m_mount)
+			errors += check_exportfs(mp->m_mount, mp->m_exported);
+
+		/*
+		 * If a volume name has been specified, but this node and none
+		 * of its parents has been exported, report an error.
+		 */
+		if (ISSET(mp->m_mask, DM_VOLNAME) && !mp->m_exported) {
+			lerror(mp->m_ioloc, "%s has a volname but no exportfs data", mp->m_name);
+			errors++;
+		}
+	}
+
+	return errors;
+}
+
+static int analyze_dkmount_tree(q, parent, dk)
+qelem *q;
+mount *parent;
+disk_fs *dk;
+{
+	mount *mp;
+	int errors = 0;
+
+	ITER(mp, mount, q) {
+		log("Mount %s:", mp->m_name);
+		if (parent) {
+			char n[MAXPATHLEN];
+			sprintf(n, "%s/%s", parent->m_name, mp->m_name);
+			if (*mp->m_name == '/')
+				lerror(mp->m_ioloc, "sub-directory %s of %s starts with '/'", mp->m_name, parent->m_name);
+			else if (STREQ(mp->m_name, "default"))
+				lwarning(mp->m_ioloc, "sub-directory of %s is named \"default\"", parent->m_name);
+			log("Changing name %s to %s", mp->m_name, n);
+			free(mp->m_name);
+			mp->m_name = strdup(n);
+		}
+		mp->m_name_len = strlen(mp->m_name);
+		mp->m_parent = parent;
+		mp->m_dk = dk;
+		if (mp->m_mount)
+			analyze_dkmount_tree(mp->m_mount, mp, dk);
+	}
+
+	return errors;
+}
+
+/*
+ * The mount tree is a singleton list
+ * containing the top-level mount
+ * point for a disk.
+ */
+static int analyze_dkmounts(dk, q)
+disk_fs *dk;
+qelem *q;
+{
+	int errors = 0;
+	mount *mp, *mp2 = 0;
+	int i = 0;
+
+	/*
+	 * First scan the list of subdirs to make
+	 * sure there is only one - and remember it
+	 */
+	if (q) {
+		ITER(mp, mount, q) {
+			mp2 = mp;
+			i++;
+		}
+	}
+
+	/*
+	 * Check...
+	 */
+	if (i < 1) {
+		lerror(dk->d_ioloc, "%s:%s has no mount point", dk->d_host->h_hostname, dk->d_dev);
+		return 1;
+	}
+	if (i > 1) {
+		lerror(dk->d_ioloc, "%s:%s has more than one mount point", dk->d_host->h_hostname, dk->d_dev);
+		errors++;
+	}
+	/*
+	 * Now see if a default mount point is required
+	 */
+	if (STREQ(mp2->m_name, "default")) {
+		if (ISSET(mp2->m_mask, DM_VOLNAME)) {
+			char nbuf[1024];
+			compute_automount_point(nbuf, dk->d_host, mp2->m_volname);
+			free(mp2->m_name);
+			mp2->m_name = strdup(nbuf);
+			log("%s:%s has default mount on %s", dk->d_host->h_hostname, dk->d_dev, mp2->m_name);
+		} else {
+			lerror(dk->d_ioloc, "no volname given for %s:%s", dk->d_host->h_hostname, dk->d_dev);
+			errors++;
+		}
+	}
+	/*
+	 * Fill in the disk mount point
+	 */
+	if (!errors && mp2 && mp2->m_name)
+		dk->d_mountpt = strdup(mp2->m_name);
+	else
+		dk->d_mountpt = strdup("error");
+
+	/*
+	 * Analyze the mount tree
+	 */
+	errors += analyze_dkmount_tree(q, 0, dk);
+
+	/*
+	 * Analyze the export tree
+	 */
+	errors += check_exportfs(q, 0);
+
+	return errors;
+}
+
+static void fixup_required_disk_info(dp)
+disk_fs *dp;
+{
+	/*
+	 * "fstype"
+	 */
+	if (ISSET(dp->d_mask, DF_FSTYPE)) {
+		if (STREQ(dp->d_fstype, "swap")) {
+			/*
+			 * Fixup for a swap device
+			 */
+			if (!ISSET(dp->d_mask, DF_PASSNO)) {
+				dp->d_passno = 0;
+				BITSET(dp->d_mask, DF_PASSNO);
+			} else if (dp->d_freq != 0) {
+				lwarning(dp->d_ioloc,
+					"Pass number for %s:%s is non-zero",
+					dp->d_host->h_hostname, dp->d_dev);
+			}
+
+			/*
+			 * "freq"
+			 */
+			if (!ISSET(dp->d_mask, DF_FREQ)) {
+				dp->d_freq = 0;
+				BITSET(dp->d_mask, DF_FREQ);
+			} else if (dp->d_freq != 0) {
+				lwarning(dp->d_ioloc,
+					"dump frequency for %s:%s is non-zero",
+					dp->d_host->h_hostname, dp->d_dev);
+			}
+
+			/*
+			 * "opts"
+			 */
+			if (!ISSET(dp->d_mask, DF_OPTS))
+				set_disk_fs(dp, DF_OPTS, strdup("swap"));
+
+			/*
+			 * "mount"
+			 */
+			if (!ISSET(dp->d_mask, DF_MOUNT)) {
+				qelem *q = new_que();
+				mount *m = new_mount();
+				m->m_name = strdup("swap");
+				m->m_mount = new_que();
+				ins_que(&m->m_q, q->q_back);
+				dp->d_mount = q;
+				BITSET(dp->d_mask, DF_MOUNT);
+			} else {
+				lerror(dp->d_ioloc, "%s: mount field specified for swap partition", dp->d_host->h_hostname);
+			}
+		} else if (STREQ(dp->d_fstype, "export")) {
+			/*
+			 * "passno"
+			 */
+			if (!ISSET(dp->d_mask, DF_PASSNO)) {
+				dp->d_passno = 0;
+				BITSET(dp->d_mask, DF_PASSNO);
+			} else if (dp->d_passno != 0) {
+				lwarning(dp->d_ioloc,
+					"pass number for %s:%s is non-zero",
+					dp->d_host->h_hostname, dp->d_dev);
+			}
+
+			/*
+			 * "freq"
+			 */
+			if (!ISSET(dp->d_mask, DF_FREQ)) {
+				dp->d_freq = 0;
+				BITSET(dp->d_mask, DF_FREQ);
+			} else if (dp->d_freq != 0) {
+				lwarning(dp->d_ioloc,
+					"dump frequency for %s:%s is non-zero",
+					dp->d_host->h_hostname, dp->d_dev);
+			}
+
+			/*
+			 * "opts"
+			 */
+			if (!ISSET(dp->d_mask, DF_OPTS))
+				set_disk_fs(dp, DF_OPTS, strdup("rw,defaults"));
+
+		}
+	}
+}
+
+static void fixup_required_mount_info(fp, de)
+fsmount *fp;
+dict_ent *de;
+{
+	if (!ISSET(fp->f_mask, FM_FROM)) {
+		if (de->de_count != 1) {
+			lerror(fp->f_ioloc, "ambiguous mount: %s is a replicated filesystem", fp->f_volname);
+		} else {
+			dict_data *dd;
+			mount *mp = 0;
+			ITER(dd, dict_data, &de->de_q) {
+				mp = (mount *) dd->dd_data;
+				break;
+			}
+			if (!mp)
+				abort();
+			fp->f_ref = mp;
+			set_fsmount(fp, FM_FROM, mp->m_dk->d_host->h_hostname);
+			log("set: %s comes from %s", fp->f_volname, fp->f_from);
+		}
+	}
+
+	if (!ISSET(fp->f_mask, FM_FSTYPE)) {
+		set_fsmount(fp, FM_FSTYPE, strdup("nfs"));
+		log("set: fstype is %s", fp->f_fstype);
+	}
+
+	if (!ISSET(fp->f_mask, FM_OPTS)) {
+		set_fsmount(fp, FM_OPTS, strdup("rw,nosuid,grpid,defaults"));
+		log("set: opts are %s", fp->f_opts);
+	}
+
+	if (!ISSET(fp->f_mask, FM_LOCALNAME)) {
+		if (fp->f_ref) {
+			set_fsmount(fp, FM_LOCALNAME, strdup(fp->f_volname));
+			log("set: localname is %s", fp->f_localname);
+		} else {
+			lerror(fp->f_ioloc, "cannot determine localname since volname %s is not uniquely defined", fp->f_volname);
+		}
+	}
+}
+
+/*
+ * For each disk on a host
+ * analyze the mount information
+ * and fill in any derivable
+ * details.
+ */
+static void analyze_drives(hp)
+host *hp;
+{
+	qelem *q = hp->h_disk_fs;
+	disk_fs *dp;
+
+	ITER(dp, disk_fs, q) {
+		int req;
+		log("Disk %s:", dp->d_dev);
+		dp->d_host = hp;
+		fixup_required_disk_info(dp);
+		req = ~dp->d_mask & DF_REQUIRED;
+		if (req)
+			show_required(dp->d_ioloc, req, dp->d_dev, hp->h_hostname, disk_fs_strings);
+		analyze_dkmounts(dp, dp->d_mount);
+	}
+}
+
+/*
+ * Check that all static mounts make sense and
+ * that the source volumes exist.
+ */
+static void analyze_mounts(hp)
+host *hp;
+{
+	qelem *q = hp->h_mount;
+	fsmount *fp;
+	int netbootp = 0;
+
+	ITER(fp, fsmount, q) {
+		char *p;
+		char *nn = strdup(fp->f_volname);
+		int req;
+		dict_ent *de;
+		int found = 0;
+		int matched = 0;
+		do {
+			p = 0;
+			de = find_volname(nn);
+			log("Mount: %s (trying %s)", fp->f_volname, nn);
+
+			if (de) {
+				found = 1;
+				/*
+				 * Check that the from field is really exporting
+				 * the filesystem requested.
+				 */
+				if (ISSET(fp->f_mask, FM_FROM)) {
+					dict_data *dd;
+					mount *mp2 = 0;
+					ITER(dd, dict_data, &de->de_q) {
+						mount *mp = (mount *) dd->dd_data;
+						if (STREQ(mp->m_dk->d_host->h_hostname, fp->f_from)) {
+							mp2 = mp;
+							break;
+						}
+					}
+
+					if (mp2) {
+						fp->f_ref = mp2;
+						matched = 1;
+						break;
+					}
+				} else {
+					matched = 1;
+					break;
+				}
+			}
+			p = strrchr(nn, '/');
+			if (p)
+				*p = 0;
+		} while (de && p);
+		free(nn);
+
+		if (!found) {
+			lerror(fp->f_ioloc, "volname %s unknown", fp->f_volname);
+		} else if (matched) {
+			fixup_required_mount_info(fp, de);
+			req = ~fp->f_mask & FM_REQUIRED;
+			if (req) {
+				show_required(fp->f_ioloc, req, fp->f_volname, hp->h_hostname,
+					fsmount_strings);
+			} else if (strcmp(fp->f_localname, "/") == 0) {
+				hp->h_netroot = fp;
+				netbootp |= FM_NETROOT;
+			} else if (strcmp(fp->f_localname, "swap") == 0) {
+				hp->h_netswap = fp;
+				netbootp |= FM_NETSWAP;
+			}
+		} else {
+			lerror(fp->f_ioloc, "volname %s not exported from %s", fp->f_volname,
+				fp->f_from ? fp->f_from : "anywhere");
+		}
+	}
+
+	if (netbootp && (netbootp != FM_NETBOOT))
+		lerror(hp->h_ioloc, "network booting requires both root and swap areas");
+}
+
+void analyze_hosts(q)
+qelem *q;
+{
+	host *hp;
+
+	show_area_being_processed("analyze hosts", 5);
+
+	/*
+	 * Check all drives
+	 */
+	ITER(hp, host, q) {
+		log("disks on host %s", hp->h_hostname);
+		show_new("ana-host");
+		hp->h_hostpath = compute_hostpath(hp->h_hostname);
+
+		if (hp->h_disk_fs)
+			analyze_drives(hp);
+
+	}
+
+	show_area_being_processed("analyze mounts", 5);
+
+	/*
+	 * Check static mounts
+	 */
+	ITER(hp, host, q) {
+		log("mounts on host %s", hp->h_hostname);
+		show_new("ana-mount");
+		if (hp->h_mount)
+			analyze_mounts(hp);
+
+	}
+}
+
+/*
+ * Check an automount request
+ */
+static void analyze_automount(ap)
+automount *ap;
+{
+	dict_ent *de = find_volname(ap->a_volname);
+	if (de) {
+		ap->a_mounted = de;
+	} else {
+		if (STREQ(ap->a_volname, ap->a_name))
+			lerror(ap->a_ioloc, "unknown volname %s automounted", ap->a_volname);
+		else
+			lerror(ap->a_ioloc, "unknown volname %s automounted on %s", ap->a_volname, ap->a_name);
+	}
+}
+
+static void analyze_automount_tree(q, pref, lvl)
+qelem *q;
+char *pref;
+int lvl;
+{
+	automount *ap;
+
+	ITER(ap, automount, q) {
+		char nname[1024];
+		if (lvl > 0 || ap->a_mount)
+			if (ap->a_name[1] && strchr(ap->a_name+1, '/'))
+				lerror(ap->a_ioloc, "not allowed '/' in a directory name");
+		sprintf(nname, "%s/%s", pref, ap->a_name);
+		free(ap->a_name);
+		ap->a_name = strdup(nname[1] == '/' ? nname+1 : nname);
+		log("automount point %s:", ap->a_name);
+		show_new("ana-automount");
+		if (ap->a_mount) {
+			analyze_automount_tree(ap->a_mount, ap->a_name, lvl+1);
+		} else if (ap->a_volname) {
+			log("\tautomount from %s", ap->a_volname);
+			analyze_automount(ap);
+		} else if (ap->a_symlink) {
+			log("\tsymlink to %s", ap->a_symlink);
+		} else {
+			ap->a_volname = strdup(ap->a_name);
+			log("\timplicit automount from %s", ap->a_volname);
+			analyze_automount(ap);
+		}
+	}
+}
+
+void analyze_automounts(q)
+qelem *q;
+{
+	auto_tree *tp;
+
+	show_area_being_processed("analyze automount", 5);
+	/*
+	 * q is a list of automounts
+	 */
+	ITER(tp, auto_tree, q)
+		analyze_automount_tree(tp->t_mount, "", 0);
+}
diff --git a/usr.sbin/amd/fsinfo/fsi_data.h b/usr.sbin/amd/fsinfo/fsi_data.h
new file mode 100644
index 0000000..3fc10c4
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/fsi_data.h
@@ -0,0 +1,236 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)fsi_data.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: fsi_data.h,v 5.2.2.1 1992/02/09 15:09:53 jsp beta $
+ *
+ */
+
+typedef struct auto_tree auto_tree;
+typedef struct automount automount;
+typedef struct dict dict;
+typedef struct dict_data dict_data;
+typedef struct dict_ent dict_ent;
+typedef struct disk_fs disk_fs;
+typedef struct ether_if ether_if;
+typedef struct fsmount fsmount;
+typedef struct host host;
+typedef struct ioloc ioloc;
+typedef struct mount mount;
+typedef struct qelem qelem;
+
+/*
+ * Linked lists...
+ */
+struct qelem {
+	qelem *q_forw;
+	qelem *q_back;
+};
+
+/*
+ * Automount tree
+ */
+struct automount {
+	qelem a_q;
+	ioloc *a_ioloc;
+	char *a_name;		/* Automount key */
+	char *a_volname;	/* Equivalent volume to be referenced */
+	char *a_symlink;	/* Symlink representation */
+	qelem *a_mount;		/* Tree representation */
+	dict_ent *a_mounted;
+};
+
+/*
+ * List of automount trees
+ */
+struct auto_tree {
+	qelem t_q;
+	ioloc *t_ioloc;
+	char *t_defaults;
+	qelem *t_mount;
+};
+	
+/*
+ * A host
+ */
+struct host {
+	qelem q;
+	int h_mask;
+	ioloc *h_ioloc;
+	fsmount *h_netroot, *h_netswap;
+#define HF_HOST	0
+	char *h_hostname;	/* The full name of the host */
+	char *h_lochost;	/* The name of the host with local domains stripped */
+	char *h_hostpath;	/* The filesystem path to the host (cf compute_hostpath) */
+#define	HF_ETHER 1
+	qelem *h_ether;
+#define	HF_CONFIG 2
+	qelem *h_config;
+#define	HF_ARCH 3
+	char *h_arch;
+#define	HF_CLUSTER 4
+	char *h_cluster;
+#define	HF_OS 5
+	char *h_os;
+	qelem *h_disk_fs;
+	qelem *h_mount;
+};
+
+/*
+ * An ethernet interface
+ */
+struct ether_if {
+	qelem e_q;
+	int e_mask;
+	ioloc *e_ioloc;
+	char *e_if;
+#define	EF_INADDR 0
+	struct in_addr e_inaddr;
+#define	EF_NETMASK 1
+	u_long e_netmask;
+#define	EF_HWADDR 2
+	char *e_hwaddr;
+};
+
+/*
+ * Disk filesystem structure.
+ *
+ * If the DF_* numbers are changed
+ * disk_fs_strings in analyze.c will
+ * need updating.
+ */
+struct disk_fs {
+	qelem d_q;
+	int d_mask;
+	ioloc *d_ioloc;
+	host *d_host;
+	char *d_mountpt;
+	char *d_dev;
+#define	DF_FSTYPE	0
+	char *d_fstype;
+#define	DF_OPTS		1
+	char *d_opts;
+#define	DF_DUMPSET	2
+	char *d_dumpset;
+#define	DF_PASSNO	3
+	int d_passno;
+#define	DF_FREQ		4
+	int d_freq;
+#define	DF_MOUNT	5
+	qelem *d_mount;
+#define	DF_LOG		6
+	char *d_log;
+};
+#define	DF_REQUIRED	((1<<DF_FSTYPE)|(1<<DF_OPTS)|(1<<DF_PASSNO)|(1<<DF_MOUNT))
+
+/*
+ * A mount tree
+ */
+struct mount {
+	qelem m_q;
+	ioloc *m_ioloc;
+	int m_mask;
+#define	DM_VOLNAME	0
+	char *m_volname;
+#define	DM_EXPORTFS	1
+	char *m_exportfs;
+#define	DM_SEL		2
+	char *m_sel;
+	char *m_name;
+	int m_name_len;
+	mount *m_parent;
+	disk_fs *m_dk;
+	mount *m_exported;
+	qelem *m_mount;
+};
+
+/*
+ * Additional filesystem mounts
+ *
+ * If the FM_* numbers are changed
+ * disk_fs_strings in analyze.c will
+ * need updating.
+ */
+struct fsmount {
+	qelem f_q;
+	mount *f_ref;
+	ioloc *f_ioloc;
+	int f_mask;
+#define	FM_LOCALNAME	0
+	char *f_localname;
+#define	FM_VOLNAME	1
+	char *f_volname;
+#define	FM_FSTYPE	2
+	char *f_fstype;
+#define	FM_OPTS		3
+	char *f_opts;
+#define	FM_FROM		4
+	char *f_from;
+};
+#define	FM_REQUIRED	((1<<FM_VOLNAME)|(1<<FM_FSTYPE)|(1<<FM_OPTS)|(1<<FM_FROM)|(1<<FM_LOCALNAME))
+#define	FM_NETROOT	0x01
+#define	FM_NETSWAP	0x02
+#define	FM_NETBOOT	(FM_NETROOT|FM_NETSWAP)
+
+#define	DICTHASH	5
+struct dict_ent {
+	dict_ent *de_next;
+	char *de_key;
+	int de_count;
+	qelem de_q;
+};
+
+/*
+ * Dictionaries ...
+ */
+struct dict_data {
+	qelem dd_q;
+	char *dd_data;
+};
+
+struct dict {
+	dict_ent *de[DICTHASH];
+};
+
+/*
+ * Source text location for error reports
+ */
+struct ioloc {
+	int i_line;
+	char *i_file;
+};
diff --git a/usr.sbin/amd/fsinfo/fsi_dict.c b/usr.sbin/amd/fsinfo/fsi_dict.c
new file mode 100644
index 0000000..5067e79
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/fsi_dict.c
@@ -0,0 +1,125 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)fsi_dict.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: fsi_dict.c,v 5.2.2.1 1992/02/09 15:09:43 jsp beta $
+ *
+ */
+
+/*
+ * Dictionary support
+ */
+
+#include "../fsinfo/fsinfo.h"
+
+static int dict_hash(k)
+char *k;
+{
+	unsigned int h;
+	
+	for (h = 0; *k; h += *k++)
+		;
+	return h % DICTHASH;
+}
+
+dict *new_dict()
+{
+	dict *dp = ALLOC(dict);
+	return dp;
+}
+
+static void dict_add_data(de, v)
+dict_ent *de;
+char *v;
+{
+	dict_data *dd = ALLOC(dict_data);
+	dd->dd_data = v;
+	ins_que(&dd->dd_q, de->de_q.q_back);
+	de->de_count++;
+}
+
+static dict_ent *new_dict_ent(k)
+char *k;
+{
+	dict_ent *de = ALLOC(dict_ent);
+	de->de_key = k;
+	init_que(&de->de_q);
+	return de;
+}
+
+dict_ent *dict_locate(dp, k)
+dict *dp;
+char *k;
+{
+	dict_ent *de = dp->de[dict_hash(k)];
+	while (de && !STREQ(de->de_key, k))
+		de = de->de_next;
+
+	return de;
+}
+
+void dict_add(dp, k, v)
+dict *dp;
+char *k, *v;
+{
+	dict_ent *de = dict_locate(dp, k);
+	if (!de) {
+		dict_ent **dep = &dp->de[dict_hash(k)];
+		de = new_dict_ent(k);
+		de->de_next = *dep;
+		*dep = de;
+	}
+	dict_add_data(de, v);
+}
+
+int dict_iter(dp, fn)
+dict *dp;
+int (*fn)();
+{
+	int i;
+	int errors = 0;
+
+	for (i = 0; i < DICTHASH; i++) {
+		dict_ent *de = dp->de[i];
+		while (de) {
+			errors += (*fn)(&de->de_q);
+			de = de->de_next;
+		}
+	}
+	return errors;
+}
diff --git a/usr.sbin/amd/fsinfo/fsi_gram.y b/usr.sbin/amd/fsinfo/fsi_gram.y
new file mode 100644
index 0000000..b4aa245
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/fsi_gram.y
@@ -0,0 +1,394 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)fsi_gram.y	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: fsi_gram.y,v 5.2.2.1 1992/02/09 15:09:35 jsp beta $
+ *
+ */
+
+%{
+#include "../fsinfo/fsinfo.h"
+#include <stdio.h>
+
+extern qelem *list_of_hosts, *list_of_automounts;
+%}
+
+%union {
+	auto_tree *a;
+	disk_fs *d;
+	ether_if *e;
+	host *h;
+	qelem *q;
+	char *s;
+	mount *m;
+	fsmount *f;
+}
+
+%token	tARCH
+%token	tAS
+%token	tAUTOMOUNT
+%token	tCLUSTER
+%token	tCONFIG
+%token	tDUMPSET
+%token	tEQ
+%token	tEXPORTFS
+%token	tFREQ
+%token	tFROM
+%token	tFS
+%token	tFSTYPE
+%token	tHWADDR
+%token	tINADDR
+%token	tHOST
+%token	tLOCALHOST
+%token	tLOG
+%token	tMOUNT
+%token	tNETMASK
+%token	tNETIF
+%token	tVOLNAME
+%token	tOPTS
+%token	tOS
+%token	tPASSNO
+%token	tSEL
+%token	<s> tSTR
+
+%start list_of_hosts
+
+%type <a> automount
+%type <q> automount_tree
+%type <e> ether_attr
+%type <m> dir_tree_info
+%type <d> filesystem fs_info_list
+%type <h> host host_attr host_attr_list
+%type <q> list_of_hosts list_of_filesystems list_of_mounts dir_tree
+%type <f> localinfo_list
+%type <s> opt_auto_opts
+
+%%
+
+list_of_hosts :
+	  /* empty */
+	  { $$ = new_que(); }
+
+	| list_of_hosts host
+	  { if ($2) ins_que((qelem *) $2, list_of_hosts->q_back);
+	    $$ = $1; }
+
+	| list_of_hosts automount
+	  { if ($2) ins_que((qelem *) $2, list_of_automounts->q_back);
+	    $$ = $1; }
+	;
+
+/*
+ * A new host:
+ *
+ * host foo.domain
+ */
+host :
+	  tHOST host_attr list_of_filesystems list_of_mounts
+	  { $$ = $2; $$->h_disk_fs = $3; $$->h_mount = $4; }
+
+	| error tHOST host_attr list_of_filesystems list_of_mounts
+	  { $$ = $3; $$->h_disk_fs = $4; $$->h_mount = $5; }
+
+	;
+
+host_attr :
+	  tSTR
+	  { $$ = new_host(); set_host($$, HF_HOST, $1); }
+
+	| '{' host_attr_list '}' tSTR
+	  { $$ = $2; set_host($$, HF_HOST, $4); }
+
+	;
+
+host_attr_list :
+	  /* empty */
+	  { $$ = new_host(); }
+
+	| host_attr_list tNETIF tSTR '{' ether_attr '}'
+	  { if ($5) {
+		$5->e_if = $3;
+		$$ = $1; set_host($$, HF_ETHER, $5); }
+	  }
+
+	| host_attr_list tCONFIG tSTR
+	  { $$ = $1; set_host($$, HF_CONFIG, $3); }
+
+	| host_attr_list tARCH '=' tSTR
+	  { $$ = $1; set_host($$, HF_ARCH, $4); }
+
+	| host_attr_list tOS '=' tSTR
+	  { $$ = $1; set_host($$, HF_OS, $4); }
+
+	| host_attr_list tCLUSTER '=' tSTR
+	  { $$ = $1; set_host($$, HF_CLUSTER, $4); }
+
+	| host_attr_list error '=' tSTR
+	  { yyerror("unknown host attribute"); }
+	;
+
+ether_attr :
+	  /* empty */
+	  { $$ = new_ether_if(); }
+
+	| ether_attr tINADDR '=' tSTR
+	  { $$ = $1; set_ether_if($$, EF_INADDR, $4); }
+	| ether_attr tNETMASK '=' tSTR
+	  { $$ = $1; set_ether_if($$, EF_NETMASK, $4); }
+	| ether_attr tHWADDR '=' tSTR
+	  { $$ = $1; set_ether_if($$, EF_HWADDR, $4); }
+	;
+
+/*
+ * A new automount tree:
+ *
+ * automount /mountpoint { ... }
+ */
+automount :
+	  tAUTOMOUNT opt_auto_opts automount_tree
+	  { if ($3) {
+		$$ = new_auto_tree($2, $3);
+	    } else {
+		$$ = 0;
+	    }
+	  }
+
+	| tAUTOMOUNT error
+	  { $$ = 0; }
+	;
+
+opt_auto_opts :
+	  /* empty */
+	  { $$ = strdup(""); }
+
+	| tOPTS tSTR
+	  { $$ = $2; }
+	;
+
+list_of_filesystems :
+	  /* empty */
+	  { $$ = 0; }
+
+	| list_of_filesystems filesystem
+	  { if ($2) {
+		if ($1)
+			$$ = $1;
+		else
+			$$ = new_que();
+		ins_que(&$2->d_q, $$->q_back);
+	    } else {
+		$$ = $1;
+	    }
+	  }
+	;
+
+/*
+ * A new filesystem:
+ *
+ * fs /dev/whatever { ... }
+ */
+filesystem :
+	  tFS tSTR '{' fs_info_list '}'
+	  { $4->d_dev = $2; $$ = $4; }
+
+	| tFS error '}'
+	  { $$ = (disk_fs *) 0; }
+	;
+
+/*
+ * Per-filesystem information:
+ *
+ * fstype - the type of the filesystem (4.2, nfs, swap, export)
+ * opts - the mount options ("rw,grpid")
+ * passno - fsck pass number
+ * freq - dump frequency
+ * dumpset - tape set for filesystem dumps
+ * mount - where to mount this filesystem
+ * log - log device
+ */
+fs_info_list :
+	  /* empty */
+	  { $$ = new_disk_fs(); }
+
+	| fs_info_list tFSTYPE '=' tSTR
+	  { $$ = $1; set_disk_fs($$, DF_FSTYPE, $4); }
+
+	| fs_info_list tOPTS '=' tSTR
+	  { $$ = $1; set_disk_fs($$, DF_OPTS, $4); }
+
+	| fs_info_list tPASSNO '=' tSTR
+	  { $$ = $1; set_disk_fs($$, DF_PASSNO, $4); }
+
+	| fs_info_list tFREQ '=' tSTR
+	  { $$ = $1; set_disk_fs($$, DF_FREQ, $4); }
+
+	| fs_info_list tMOUNT dir_tree
+	  { $$ = $1; set_disk_fs($$, DF_MOUNT, (char *) $3); }
+
+	| fs_info_list tDUMPSET '=' tSTR
+	  { $$ = $1; set_disk_fs($$, DF_DUMPSET, $4); }
+
+	| fs_info_list tLOG '=' tSTR
+	  { $$ = $1; set_disk_fs($$, DF_LOG, $4); }
+
+	| fs_info_list error '=' tSTR
+	  { yyerror("unknown filesystem attribute"); }
+	;
+
+/*
+ * An automount tree:
+ *
+ * name = "volname"	name is a reference to volname
+ * name -> "string"	name is a link to "string"
+ * name { ... }		name is an automount tree
+ */
+automount_tree :
+	  /* empty */
+	  { $$ = 0; }
+
+	| automount_tree tSTR '=' tSTR
+	  { automount *a = new_automount($2);
+	    a->a_volname = $4;
+	    if ($1)
+		$$ = $1;
+	    else
+		$$ = new_que();
+	    ins_que(&a->a_q, $$->q_back);
+	  }
+
+	| automount_tree tSTR tEQ tSTR
+	  { automount *a = new_automount($2);
+	    a->a_symlink = $4;
+	    if ($1)
+		$$ = $1;
+	    else
+		$$ = new_que();
+	    ins_que(&a->a_q, $$->q_back);
+	  }
+
+	| automount_tree tSTR '{' automount_tree '}'
+	  { automount *a = new_automount($2);
+	    a->a_mount = $4;
+	    if ($1)
+		$$ = $1;
+	    else
+		$$ = new_que();
+	    ins_que(&a->a_q, $$->q_back);
+	  }
+	;
+
+dir_tree :
+	  /* empty */
+	  { $$ = 0; }
+
+	| dir_tree tSTR '{' dir_tree_info dir_tree '}'
+	  { $4->m_mount = $5;
+	    $4->m_name = $2;
+	    if ($2[0] != '/' && $2[1] && strchr($2+1, '/'))
+		yyerror("not allowed '/' in a directory name");
+	    if ($1)
+		$$ = $1;
+	    else
+		$$ = new_que();
+	    ins_que(&$4->m_q, $$->q_back);
+	  }
+	;
+
+dir_tree_info :
+	  /* empty */
+	  { $$ = new_mount(); }
+
+	| dir_tree_info tEXPORTFS tSTR
+	  { $$ = $1; set_mount($$, DM_EXPORTFS, $3); }
+
+	| dir_tree_info tVOLNAME tSTR
+	  { $$ = $1; set_mount($$, DM_VOLNAME, $3); }
+
+	| dir_tree_info tSEL tSTR
+	  { $$ = $1; set_mount($$, DM_SEL, $3); }
+
+	| dir_tree_info error '=' tSTR
+	  { yyerror("unknown directory attribute"); }
+	;
+
+/*
+ * Additional mounts on a host
+ *
+ * mount "volname" ...
+ */
+list_of_mounts :
+	  /* empty */
+	  { $$ = 0; }
+
+	| list_of_mounts tMOUNT tSTR localinfo_list
+	  { set_fsmount($4, FM_VOLNAME, $3);
+	    if ($1)
+		$$ = $1;
+	    else
+		$$ = new_que();
+	    ins_que(&$4->f_q, $$->q_back);
+	    }
+	;
+
+/*
+ * Mount info:
+ *
+ * from "hostname"	- obtain the object from the named host
+ * as "string"		- where to mount, if different from the volname
+ * opts "string"	- mount options
+ * fstype "type"	- type of filesystem mount, if not nfs
+ */
+localinfo_list :
+	  /* empty */
+	  { $$ = new_fsmount(); }
+
+	| localinfo_list tAS tSTR
+	  { $$ = $1; set_fsmount($$, FM_LOCALNAME, $3); }
+
+	| localinfo_list tFROM tSTR
+	  { $$ = $1; set_fsmount($$, FM_FROM, $3); }
+
+	| localinfo_list tFSTYPE tSTR
+	  { $$ = $1; set_fsmount($$, FM_FSTYPE, $3); }
+
+	| localinfo_list tOPTS tSTR
+	  { $$ = $1; set_fsmount($$, FM_OPTS, $3); }
+
+	| localinfo_list error '=' tSTR
+	  { yyerror("unknown mount attribute"); }
+	;
diff --git a/usr.sbin/amd/fsinfo/fsi_lex.l b/usr.sbin/amd/fsinfo/fsi_lex.l
new file mode 100644
index 0000000..46ec532
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/fsi_lex.l
@@ -0,0 +1,403 @@
+%{
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)fsi_lex.l	8.2 (Berkeley) 2/17/94
+ *
+ * $Id: fsi_lex.l,v 5.2.2.1 1992/02/09 15:09:36 jsp beta $
+ *
+ */
+
+/*
+ * Lexical analyzer for fsinfo.
+ * TODO: Needs rewriting.
+ */
+
+static int xinput();
+static void xunput();
+
+#ifdef FLEX_SCANNER
+static int yylineno;
+/* Flex support with help from Vern Paxson <vern@helios.ee.lbl.gov> */
+#undef YY_INPUT
+#define YY_INPUT(buf,result,max_size)		\
+{						\
+	int i;					\
+	for (i = 0; i < max_size; i++) {	\
+		int ch = xinput(i == 0);	\
+		if (ch == 0)			\
+			break;			\
+		buf[i] = ch;			\
+	}					\
+	result = i;				\
+}
+
+#define	INIT_STATE {				\
+		switch ((yy_start - 1) / 2) {	\
+		case 0:				\
+			BEGIN F;		\
+			break;			\
+		}				\
+}
+
+
+#else
+/*
+ * Using old lex...
+ */
+#undef unput
+#define unput(ch) xunput(ch)
+#undef input
+#define input() xinput(1)
+
+#define	INIT_STATE {				\
+		switch (yybgin - yysvec - 1) {	\
+		case 0:				\
+			BEGIN F;		\
+			break;			\
+		}				\
+}
+
+#endif /* FLEX_SCANNER */
+
+#include "../fsinfo/fsinfo.h"
+#include "fsi_gram.h"
+#include <ctype.h>
+
+static char *filename;
+static char *optr;
+static char ostr[1024];
+static find_resword();
+static unsigned char ibuf[64];
+static unsigned char *iptr = ibuf;
+static int quoted;
+static int lastch, nextch = '\n';
+YYSTYPE yylval;
+
+struct r {
+	char *rw;
+	int tok;
+} rr[] = {
+	{ "->", tEQ },
+	{ "arch", tARCH },
+	{ "as", tAS },
+	{ "automount", tAUTOMOUNT },
+	{ "cluster", tCLUSTER },
+	{ "config", tCONFIG },
+	{ "dumpset", tDUMPSET },
+	{ "exportfs", tEXPORTFS },
+	{ "freq", tFREQ },
+	{ "from", tFROM },
+	{ "fs", tFS },
+	{ "fstype", tFSTYPE },
+	{ "host", tHOST },
+	{ "hwaddr", tHWADDR },
+	{ "inaddr", tINADDR },
+	{ "localhost", tLOCALHOST },
+	{ "log", tLOG },
+	{ "mount", tMOUNT },
+	{ "netif", tNETIF },
+	{ "netmask", tNETMASK },
+	{ "opts", tOPTS },
+	{ "os", tOS },
+	{ "passno", tPASSNO },
+	{ "sel", tSEL },
+	{ "volname", tVOLNAME },
+	{ 0, 0 },
+};
+#define	NRES_WORDS (sizeof(rr)/sizeof(rr[0])-1)
+
+%}
+
+%start F Q
+
+%%
+		INIT_STATE; /* witchcraft */
+
+<F>[^ \t\n"={}]+	{ return find_resword(yytext); }
+<F>[ \t]		;
+<F>"\n"			{ yylineno++; }
+<F>[={}]		{ return *yytext; }
+
+<F>\"			{ BEGIN Q; optr = ostr; quoted = 1; }
+<Q>\n			{ yylineno++; yyerror("\" expected"); BEGIN F; }
+<Q>\\b			{ *optr++ = '\b'; /* escape */ }
+<Q>\\t			{ *optr++ = '\t'; /* escape */ }
+<Q>\\\"			{ *optr++ = '\"'; /* escape */ }
+<Q>\\\\			{ *optr++ = '\\'; /* escape */ }
+<Q>\\\n			{ yylineno++; /* continue */ }
+<Q>\\r			{ *optr++ = '\r'; /* escape */ }
+<Q>\\n			{ *optr++ = '\n'; /* escape */ }
+<Q>\\f			{ *optr++ = '\f'; /* escape */ }
+<Q>"\\ "		{ *optr++ = ' '; /* force space */ }
+<Q>\\.			{ yyerror("Unknown \\ sequence"); }
+<Q>([ \t]|"\\\n"){2,}	{ char *p = yytext-1; while (p = strchr(p+1, '\n')) yylineno++; }
+<Q>\"			{ BEGIN F; quoted = 0;
+				*optr = '\0';
+				yylval.s = strdup(ostr);
+				return tSTR;
+			}
+<Q>.			{ *optr++ = *yytext; }
+
+%%
+
+static int find_resword(s)
+char *s;
+{
+	int tok = 0;
+
+	int l = 0, m = NRES_WORDS/2, h = NRES_WORDS-1;
+	int rc = 0;
+	
+	m = NRES_WORDS/2;
+
+#define FSTRCMP(p, q) ((*(p) == *(q)) ? strcmp((p)+1, (q)+1) : *(p) - *(q))
+
+	while ((l <= h) && (rc = FSTRCMP(s, rr[m].rw))) {
+		/*fprintf(stderr, "failed to cmp(%s, %s), %d, %d, %d\n", s, rr[m].rw, l, m, h);*/
+		if (rc < 0)
+			h = m - 1;
+		else
+			l = m + 1;
+		m = (h + l) / 2;
+	}
+
+	if (rc == 0)
+		tok = rr[m].tok;
+
+	switch (tok) {
+	case tLOCALHOST:
+		s = "${host}";
+		/* fall through... */
+	case 0:
+		yylval.s = strdup(s);
+		tok = tSTR;
+		/* fall through... */
+	default:
+		return tok;
+	}
+
+}
+
+int yyerror(s, s1, s2, s3, s4)
+char *s;
+char *s1, *s2, *s3, *s4;
+{
+	col_cleanup(0);
+	fprintf(stderr, "%s:%d: ", filename ? filename : "/dev/stdin", yylineno);
+	fprintf(stderr, s, s1, s2, s3, s4);
+	fputc('\n', stderr);
+	parse_errors++;
+}
+
+ioloc *current_location()
+{
+	ioloc *ip = ALLOC(ioloc);
+	ip->i_line = yylineno;
+	ip->i_file = filename;
+	return ip;
+}
+
+#ifdef FLEX_SCANNER
+#undef yywrap
+#endif
+
+int yywrap()
+{
+static int first = 1;
+	if (first) {
+		char prog[16*1024];
+		strcpy(prog, "for file in ");
+		while (*++g_argv) {
+			if (access(*g_argv, 4) < 0) {
+				error("\"%s\": Cannot open for reading", *g_argv);
+				file_io_errors++;
+			} else {
+				strcat(prog, *g_argv);
+				strcat(prog, " ");
+			}
+		}
+		strcat(prog, "; do /lib/cpp ");
+		strcat(prog, idvbuf);
+		strcat(prog, " -DHOSTNAME=\'");
+		strcat(prog, hostname);
+		strcat(prog, "\' \"$file\"; done");
+		yyin = popen(prog, "r");
+		if (yyin) {
+			/*if (filename) free(filename);*/
+			filename = strdup("unknown");
+			yylineno = 1;
+			first = 0;
+			return 0;
+		} else {
+			perror(prog);
+		}
+	}
+
+	if (!first && yyin && pclose(yyin) != 0)
+		parse_errors++;
+
+	return 1;
+}
+
+#define xgetc(fp) ((iptr > ibuf) ? (*--iptr) : (lastch = nextch, nextch = getc(fp), (nextch == EOF ? nextch = lastch, EOF : nextch)))
+
+static int xinput(need)
+int need;
+{
+static int c_comment = 0;
+	int ch, ch2;
+
+	do {
+		ch = xgetc(yyin);
+		/* fprintf(stderr, "ch = %c, %#x, %d\n", ch, ibuf,iptr-ibuf); */
+		if (ch == EOF) return 0;
+		if (quoted)
+			return ch;
+		if (c_comment) {
+			ch2 = ch;
+			do {
+				if (ch2 == '\n') {
+					nextch = '\n';
+					return ch2;
+				}
+				/* C style comment */
+				do {
+					ch2 = getc(yyin);
+					if (ch2 == '\n') {
+						nextch = '\n';
+						return ch2;
+					}
+				} while (ch2 != '*' && ch2 != EOF);
+
+				while (ch2 == '*')
+					ch2 = getc(yyin);
+			} while (ch2 != '/' && ch2 != EOF);
+			c_comment = 0;
+			if (ch2 == EOF)
+				break;
+			continue;
+		}
+
+		if (ch == '#') {
+			/*log("lastch = '%c' (%#x)", lastch, lastch);*/
+			if (lastch == '\n') {
+				char fname[MAXPATHLEN];
+				char *fptr;
+				if (!need) {
+					xunput('#');
+					nextch = '\n';
+					return 0;
+				}
+				fname[0] = '\0';
+				/* Skip past space */
+				do {
+					ch2 = getc(yyin);
+				} while (ch2 != EOF && ch2 != '\n' && !isdigit(ch2));
+				if (isdigit(ch2)) {
+					/* Read in line number */
+					fptr = fname;
+					do {
+						*fptr++ = ch2;
+						ch2 = getc(yyin);
+					} while (isdigit(ch2));
+					*fptr = '\0';
+					if (fptr != fname)
+						yylineno = atoi(fname) - 1;
+				}
+				/* Skip past space */
+				while (ch2 != EOF && ch2 != '\"' && ch2 != '\n')
+					ch2 = getc(yyin);
+				if (ch2 == '\"') {
+					/* Read file name */
+					fptr = fname;
+					ch2 = getc(yyin);
+					while (ch2 != '\"' && ch2 != EOF && ch2 != EOF) {
+						*fptr++ = ch2;
+						ch2 = getc(yyin);
+					}
+					*fptr = '\0';
+					if (fname[0]) {
+						log("Setting filename to \"%s\"", fname);
+						/*if (filename) free(filename);*/
+						filename = strdup(fname);
+					}
+				}
+				while (ch2 != '\n' && ch2 != EOF)
+					ch2 = getc(yyin);
+			} else do {
+				ch2 = getc(yyin);
+			} while (ch2 != '\n' && ch2 != EOF);
+			if (ch2 == '\n') {
+				nextch = '\n';
+				return ch2;
+			}
+		} else if (ch == '/') {
+			ch2 = getc(yyin);
+			if (ch2 == '/') {
+				/* C++ style comment */
+				do {
+					ch2 = getc(yyin);
+				} while (ch2 != '\n' && ch2 != EOF);
+				if (ch2 == '\n') {
+					nextch = '\n';
+					return ch2;
+				}
+			} else if (ch2 == '*') {
+				c_comment = 1;
+				continue;
+			} else {
+				xunput(ch2);
+				return ch;
+			}
+		} else {
+			return ch;
+		}
+	} while (ch2 != EOF);
+	error("End of file within comment");
+	return 0;
+}
+
+static void xunput(c)
+int c;
+{
+	if (c && c != EOF) {
+		if (iptr == ibuf + sizeof(ibuf) - 1)
+		 	fatal("Out of space in lexical pushback");
+		*iptr++ = c;
+	}
+}
diff --git a/usr.sbin/amd/fsinfo/fsi_util.c b/usr.sbin/amd/fsinfo/fsi_util.c
new file mode 100644
index 0000000..c0d8088
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/fsi_util.c
@@ -0,0 +1,573 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)fsi_util.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: fsi_util.c,v 5.2.2.1 1992/02/09 15:09:39 jsp beta $
+ *
+ */
+
+#include "../fsinfo/fsinfo.h"
+
+/*
+ * Lots of ways of reporting errors...
+ */
+void error(s, s1, s2, s3, s4)
+char *s, *s1, *s2, *s3, *s4;
+{
+	col_cleanup(0);
+	fprintf(stderr, "%s: Error, ", progname);
+	fprintf(stderr, s, s1, s2, s3, s4);
+	fputc('\n', stderr);
+	errors++;
+}
+
+void lerror(l, s, s1, s2, s3, s4)
+ioloc *l;
+char *s, *s1, *s2, *s3, *s4;
+{
+	col_cleanup(0);
+	fprintf(stderr, "%s:%d: ", l->i_file, l->i_line);
+	fprintf(stderr, s, s1, s2, s3, s4);
+	fputc('\n', stderr);
+	errors++;
+}
+
+void lwarning(l, s, s1, s2, s3, s4)
+ioloc *l;
+char *s, *s1, *s2, *s3, *s4;
+{
+	col_cleanup(0);
+	fprintf(stderr, "%s:%d: ", l->i_file, l->i_line);
+	fprintf(stderr, s, s1, s2, s3, s4);
+	fputc('\n', stderr);
+	
+}
+
+void fatal(s, s1, s2, s3, s4)
+char *s, *s1, *s2, *s3, *s4;
+{
+	col_cleanup(1);
+	fprintf(stderr, "%s: Fatal, ", progname);
+	fprintf(stderr, s, s1, s2, s3, s4);
+	fputc('\n', stderr);
+	exit(1);
+}
+
+/*
+ * Dup a string
+ */
+char *strdup(s)
+char *s;
+{
+	int len = strlen(s);
+	char *sp = (char *) xmalloc(len+1);
+
+	bcopy(s, sp, len);
+	sp[len] = 0;
+
+	return sp;
+}
+
+/*
+ * Debug log
+ */
+void log(s, s1, s2, s3, s4)
+char *s, *s1, *s2, *s3, *s4;
+{
+	if (verbose > 0) {
+		fputc('#', stdout);
+		fprintf(stdout, "%s: ", progname);
+		fprintf(stdout, s, s1, s2, s3, s4);
+		putc('\n', stdout);
+	}
+}
+
+void info_hdr(ef, info)
+FILE *ef;
+char *info;
+{
+	fprintf(ef, "# *** NOTE: This file contains %s info\n", info);
+}
+
+void gen_hdr(ef, hn)
+FILE *ef;
+char *hn;
+{
+	fprintf(ef, "# *** NOTE: Only for use on %s\n", hn);
+}
+
+static void make_banner(fp)
+FILE *fp;
+{
+	time_t t = time((time_t*) 0);
+	char *ctime(), *cp = ctime(&t);
+
+	fprintf(fp,
+"\
+# *** This file was automatically generated -- DO NOT EDIT HERE ***\n\
+# \"%s\" run by %s@%s on %s\
+#\n\
+",
+	progname, username, hostname, cp);
+}
+
+static int show_range = 10;
+static int col = 0;
+static int total_shown = 0;
+static int total_mmm = 8;
+
+static int col_output(len)
+int len;
+{
+	int wrapped = 0;
+	col += len;
+	if (col > 77) {
+		fputc('\n', stdout);
+		col = len;
+		wrapped = 1;
+	}
+	return wrapped;
+}
+
+static void show_total()
+{
+	if (total_mmm != -show_range+1) {
+		char n[8];
+		int len;
+		if (total_mmm < 0)
+			fputc('*', stdout);
+		sprintf(n, "%d", total_shown);
+		len = strlen(n);
+		if (col_output(len))
+			fputc(' ', stdout);
+		fputs(n, stdout); fflush(stdout);
+		total_mmm = -show_range;
+	}
+}
+
+col_cleanup(eoj)
+int eoj;
+{
+	if (verbose < 0) return;
+	if (eoj) {
+		show_total();
+		fputs(")]", stdout);
+	}
+	if (col) {
+		fputc('\n', stdout);
+		col = 0;
+	}
+}
+
+void show_new(msg)
+char *msg;
+{
+	if (verbose < 0) return;
+	total_shown++;
+	if (total_mmm > show_range) {
+		show_total();
+	} else if (total_mmm == 0) {
+		fputc('*', stdout); fflush(stdout);
+		col += 1;
+	}
+	total_mmm++;
+}
+
+void show_area_being_processed(area, n)
+char *area;
+int n;
+{
+static char *last_area = 0;
+	if (verbose < 0) return;
+	if (last_area) {
+		if (total_shown)
+			show_total();
+		fputs(")", stdout);
+		col += 1;
+	}
+	if (!last_area || strcmp(area, last_area) != 0) {
+		if (last_area) {
+			col_cleanup(0);
+			total_shown = 0;
+			total_mmm = show_range+1;
+		}
+		(void) col_output(strlen(area)+2);
+		fprintf(stdout, "[%s", area);
+		last_area = area;
+	}
+
+	fputs(" (", stdout);
+	col += 2;
+	show_range = n;
+	total_mmm = n + 1;
+
+	fflush(stdout);
+}
+
+/*
+ * Open a file with the given prefix and name
+ */
+FILE *pref_open(pref, hn, hdr, arg)
+char *pref;
+char *hn;
+void (*hdr)();
+char *arg;
+{
+	char p[MAXPATHLEN];
+	FILE *ef;
+	sprintf(p, "%s%s", pref, hn);
+	log("Writing %s info for %s to %s", pref, hn, p);
+	ef = fopen(p, "w");
+	if (ef) {
+		(*hdr)(ef, arg);
+		make_banner(ef, hn);
+	} else {
+		error("can't open %s for writing", p);
+	}
+
+	return ef;
+}
+
+int pref_close(fp)
+FILE *fp;
+{
+	return fclose(fp) == 0;
+}
+
+/*
+ * Determine where Amd would automount the host/volname pair
+ */
+void compute_automount_point(buf, hp, vn)
+char *buf;
+host *hp;
+char *vn;
+{
+#ifdef AMD_USES_HOSTPATH
+	sprintf(buf, "%s/%s%s", autodir, hp->h_hostpath, vn);
+#else
+	sprintf(buf, "%s/%s%s", autodir, hp->h_lochost, vn);
+#endif
+}
+
+char *xcalloc(i, s)
+int i;
+int s;
+{
+	char *p = (char *) calloc(i, (unsigned) s);
+	if (!p)
+		fatal("Out of memory");
+	return p;
+}
+
+char *xmalloc(i)
+int i;
+{
+	char *p = (char *) malloc(i);
+	if (!p)
+		fatal("Out of memory");
+	return p;
+}
+
+/*
+ * Data constructors..
+ */
+
+automount *new_automount(name)
+char *name;
+{
+	automount *ap = ALLOC(automount);
+	ap->a_ioloc = current_location();
+	ap->a_name = name;
+	ap->a_volname = 0;
+	ap->a_mount = 0;
+	show_new("automount");
+	return ap;
+}
+
+auto_tree *new_auto_tree(def, ap)
+char *def;
+qelem *ap;
+{
+	auto_tree *tp = ALLOC(auto_tree);
+	tp->t_ioloc = current_location();
+	tp->t_defaults = def;
+	tp->t_mount = ap;
+	show_new("auto_tree");
+	return tp;
+}
+
+host *new_host()
+{
+	host *hp = ALLOC(host);
+	hp->h_ioloc = current_location();
+	hp->h_mask = 0;
+	show_new("host");
+	return hp;
+}
+
+void set_host(hp, k, v)
+host *hp;
+int k;
+char *v;
+{
+	int m = 1 << k;
+	if (hp->h_mask & m) {
+		yyerror("host field \"%s\" already set", host_strings[k]);
+		return;
+	}
+
+	hp->h_mask |= m;
+
+	switch (k) {
+	case HF_HOST: {
+		char *p = strdup(v);
+		dict_ent *de = dict_locate(dict_of_hosts, v);
+		if (de)
+			yyerror("duplicate host %s!", v);
+		else
+			dict_add(dict_of_hosts, v, (char *) hp);
+		hp->h_hostname = v;
+		domain_strip(p, hostname);
+		if (strchr(p, '.') != 0)
+			free(p);
+		else
+			hp->h_lochost = p;
+	} break;
+	case HF_CONFIG: {
+		qelem *q;
+		qelem *vq = (qelem *) v;
+		hp->h_mask &= ~m;
+		if (hp->h_config)
+			q = hp->h_config;
+		else
+			q = hp->h_config = new_que();
+		ins_que(vq, q->q_back);
+	} break;
+	case HF_ETHER: {
+		qelem *q;
+		qelem *vq = (qelem *) v;
+		hp->h_mask &= ~m;
+		if (hp->h_ether)
+			q = hp->h_ether;
+		else
+			q = hp->h_ether = new_que();
+		ins_que(vq, q->q_back);
+	} break;
+	case HF_ARCH: hp->h_arch = v; break;
+	case HF_OS: hp->h_os = v; break;
+	case HF_CLUSTER: hp->h_cluster = v; break;
+	default: abort(); break;
+	}
+}
+
+ether_if *new_ether_if()
+{
+	ether_if *ep = ALLOC(ether_if);
+	ep->e_mask = 0;
+	ep->e_ioloc = current_location();
+	show_new("ether_if");
+	return ep;
+}
+
+void set_ether_if(ep,k, v)
+ether_if *ep;
+int k;
+char *v;
+{
+	int m = 1 << k;
+	if (ep->e_mask & m) {
+		yyerror("netif field \"%s\" already set", ether_if_strings[k]);
+		return;
+	}
+
+	ep->e_mask |= m;
+
+	switch (k) {
+	case EF_INADDR: {
+		extern u_long inet_addr();
+		ep->e_inaddr.s_addr = inet_addr(v);
+		if (ep->e_inaddr.s_addr == (u_long) -1)
+			yyerror("malformed IP dotted quad: %s", v);
+		free(v);
+	} break;
+	case EF_NETMASK: {
+		u_long nm = 0;
+		if ((sscanf(v, "0x%lx", &nm) == 1 || sscanf(v, "%lx", &nm) == 1) && nm != 0)
+			ep->e_netmask = htonl(nm);
+		else
+			yyerror("malformed netmask: %s", v);
+		free(v);
+	} break;
+	case EF_HWADDR:
+		ep->e_hwaddr = v;
+		break;
+	default: abort(); break;
+	}
+}
+
+void set_disk_fs(dp, k, v)
+disk_fs *dp;
+int k;
+char *v;
+{
+	int m = 1 << k;
+	if (dp->d_mask & m) {
+		yyerror("fs field \"%s\" already set", disk_fs_strings[k]);
+		return;
+	}
+
+	dp->d_mask |= m;
+
+	switch (k) {
+	case DF_FSTYPE: dp->d_fstype = v; break;
+	case DF_OPTS: dp->d_opts = v; break;
+	case DF_DUMPSET: dp->d_dumpset = v; break;
+	case DF_LOG: dp->d_log = v; break;
+	case DF_PASSNO: dp->d_passno = atoi(v); free(v); break;
+	case DF_FREQ: dp->d_freq = atoi(v); free(v); break;
+	case DF_MOUNT: dp->d_mount = &((mount *) v)->m_q; break;
+	default: abort(); break;
+	}
+}
+
+disk_fs *new_disk_fs()
+{
+	disk_fs *dp = ALLOC(disk_fs);
+	dp->d_ioloc = current_location();
+	show_new("disk_fs");
+	return dp;
+}
+
+void set_mount(mp, k, v)
+mount *mp;
+int k;
+char *v;
+{
+	int m = 1 << k;
+	if (mp->m_mask & m) {
+		yyerror("mount tree field \"%s\" already set", mount_strings[k]);
+		return;
+	}
+
+	mp->m_mask |= m;
+
+	switch (k) {
+	case DM_VOLNAME:
+		dict_add(dict_of_volnames, v, (char *) mp);
+		mp->m_volname = v;
+		break;
+	case DM_EXPORTFS:
+		mp->m_exportfs = v;
+		break;
+	case DM_SEL:
+		mp->m_sel = v;
+		break;
+	default: abort(); break;
+	}
+}
+
+mount *new_mount()
+{
+	mount *fp = ALLOC(mount);
+	fp->m_ioloc = current_location();
+	show_new("mount");
+	return fp;
+}
+
+void set_fsmount(fp, k, v)
+fsmount *fp;
+int k;
+char *v;
+{
+	int m = 1 << k;
+	if (fp->f_mask & m) {
+		yyerror("mount field \"%s\" already set", fsmount_strings[k]);
+		return;
+	}
+
+	fp->f_mask |= m;
+
+	switch (k) {
+	case FM_LOCALNAME: fp->f_localname = v; break;
+	case FM_VOLNAME: fp->f_volname = v; break;
+	case FM_FSTYPE: fp->f_fstype = v; break;
+	case FM_OPTS: fp->f_opts = v; break;
+	case FM_FROM: fp->f_from = v; break;
+	default: abort(); break;
+	}
+}
+
+fsmount *new_fsmount()
+{
+	fsmount *fp = ALLOC(fsmount);
+	fp->f_ioloc = current_location();
+	show_new("fsmount");
+	return fp;
+}
+
+void init_que(q)
+qelem *q;
+{
+	q->q_forw = q->q_back = q;
+}
+
+qelem *new_que()
+{
+	qelem *q = ALLOC(qelem);
+	init_que(q);
+	return q;
+}
+
+void ins_que(elem, pred)
+qelem *elem, *pred;
+{
+	qelem *p;
+	p = pred->q_forw;
+	elem->q_back = pred;
+	elem->q_forw = p;
+	pred->q_forw = elem;
+	p->q_back = elem;
+}
+
+void rem_que(elem)
+qelem *elem;
+{
+	qelem *p, *p2;
+	p = elem->q_forw;
+	p2 = elem->q_back;
+
+	p2->q_forw = p;
+	p->q_back = p2;
+}
diff --git a/usr.sbin/amd/fsinfo/fsinfo.8 b/usr.sbin/amd/fsinfo/fsinfo.8
new file mode 100644
index 0000000..34db7c2
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/fsinfo.8
@@ -0,0 +1,77 @@
+.\" Copyright (c) 1993 Jan-Simon Pendry.
+.\" Copyright (c) 1993
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"     @(#)fsinfo.8	8.1 (Berkeley) 6/28/93
+.\"
+.Dd June 28, 1993
+.Dt FSINFO 8
+.Os
+.Sh NAME
+.Nm fsinfo
+.Nd co-ordinate site-wide filesystem information
+.Sh SYNOPSIS
+.Nm \&fsinfo
+.Op Fl v
+.Op Fl a Ar autodir
+.Op Fl b Ar bootparams
+.Op Fl d Ar dumpsets
+.Op Fl e Ar exports
+.Op Fl f Ar fstabs
+.Op Fl h Ar hostname
+.Op Fl m Ar automounts
+.Op Fl I Ar dir
+.Op Fl D Ar string[=string]]
+.Op Fl U Ar string[=string]]
+.Ar config ...
+.Sh DESCRIPTION
+The
+.Nm fsinfo
+utility takes a set of system configuration information, and generates
+a co-ordinated set of
+.Xr amd ,
+.Xr mount
+and
+.Xr mountd
+configuration files.
+.Pp
+The
+.Nm fsinfo
+command is fully described in the document
+.%T "Amd - The 4.4BSD Automounter"
+.Sh "SEE ALSO"
+.Xr amd 8 ,
+.Xr mount 8 ,
+.Xr mountd 8 .
+.Sh HISTORY
+The
+.Nm fsinfo
+command first appeared in 4.4BSD.
diff --git a/usr.sbin/amd/fsinfo/fsinfo.c b/usr.sbin/amd/fsinfo/fsinfo.c
new file mode 100644
index 0000000..a4b867b
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/fsinfo.c
@@ -0,0 +1,275 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)fsinfo.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: fsinfo.c,v 5.2.2.1 1992/02/09 15:09:33 jsp beta $
+ *
+ */
+
+#ifndef lint
+static char copyright[] =
+"@(#) Copyright (c) 1989, 1993\n\
+	The Regents of the University of California.  All rights reserved.\n";
+#endif /* not lint */
+
+/*
+ * fsinfo
+ */
+
+#include "../fsinfo/fsinfo.h"
+#include "fsi_gram.h"
+#include <pwd.h>
+
+qelem *list_of_hosts;
+qelem *list_of_automounts;
+dict *dict_of_volnames;
+dict *dict_of_hosts;
+char *autodir = "/a";
+char hostname[MAXHOSTNAMELEN+1];
+char *username;
+int file_io_errors;
+int parse_errors;
+int errors;
+int verbose;
+char idvbuf[1024];
+
+char **g_argv;
+char *progname;
+
+/*
+ * Output file prefixes
+ */
+char *exportfs_pref;
+char *fstab_pref;
+char *dumpset_pref;
+char *mount_pref;
+char *bootparams_pref;
+
+/*
+ * Argument cracking...
+ */
+static void get_args(c, v)
+int c;
+char *v[];
+{
+	extern char *optarg;
+	extern int optind;
+	int ch;
+	int usage = 0;
+	char *iptr = idvbuf;
+
+	/*
+	 * Determine program name
+	 */
+	if (v[0]) {
+		progname = strrchr(v[0], '/');
+		if (progname && progname[1])
+			progname++;
+		else
+			progname = v[0];
+	}
+	if (!progname)
+		progname = "fsinfo";
+
+	while ((ch = getopt(c, v, "a:b:d:e:f:h:m:D:U:I:qv")) != EOF)
+	switch (ch) {
+	case 'a':
+		autodir = optarg;
+		break;
+	case 'b':
+		if (bootparams_pref)
+			fatal("-b option specified twice");
+		bootparams_pref = optarg;
+		break;
+	case 'd':
+		if (dumpset_pref)
+			fatal("-d option specified twice");
+		dumpset_pref = optarg;
+		break;
+	case 'h':
+		strncpy(hostname, optarg, sizeof(hostname)-1);
+		break;
+	case 'e':
+		if (exportfs_pref)
+			fatal("-e option specified twice");
+		exportfs_pref = optarg;
+		break;
+	case 'f':
+		if (fstab_pref)
+			fatal("-f option specified twice");
+		fstab_pref = optarg;
+		break;
+	case 'm':
+		if (mount_pref)
+			fatal("-m option specified twice");
+		mount_pref = optarg;
+		break;
+	case 'q':
+		verbose = -1;
+		break;
+	case 'v':
+		verbose = 1;
+		break;
+	case 'I': case 'D': case 'U':
+		sprintf(iptr, "-%c%s ", ch, optarg);
+		iptr += strlen(iptr);
+		break;
+	default:
+		usage++;
+		break;
+	}
+
+	if (c != optind) {
+		g_argv = v + optind - 1;
+		if (yywrap())
+			fatal("Cannot read any input files");
+	} else {
+		usage++;
+	}
+
+	if (usage) {
+		fprintf(stderr,
+"\
+Usage: %s [-v] [-a autodir] [-h hostname] [-b bootparams] [-d dumpsets]\n\
+\t[-e exports] [-f fstabs] [-m automounts]\n\
+\t[-I dir] [-D|-U string[=string]] config ...\n", progname);
+		exit(1);
+	}
+
+
+	if (g_argv[0])
+		log("g_argv[0] = %s", g_argv[0]);
+	else
+		log("g_argv[0] = (nil)");
+}
+
+/*
+ * Determine username of caller
+ */
+static char *find_username()
+{
+	extern char *getlogin();
+	extern char *getenv();
+	char *u = getlogin();
+	if (!u) {
+		struct passwd *pw = getpwuid(getuid());
+		if (pw)
+			u = pw->pw_name;
+	}
+	if (!u)
+		u = getenv("USER");
+	if (!u)
+		u = getenv("LOGNAME");
+	if (!u)
+		u = "root";
+
+	return strdup(u);
+}
+
+/*
+ * MAIN
+ */
+main(argc, argv)
+int argc;
+char *argv[];
+{
+	/*
+	 * Process arguments
+	 */
+	get_args(argc, argv);
+
+	/*
+	 * If no hostname given then use the local name
+	 */
+	if (!*hostname && gethostname(hostname, sizeof(hostname)) < 0) {
+		perror("gethostname");
+		exit(1);
+	}
+
+	/*
+	 * Get the username
+	 */
+	username = find_username();
+
+	/*
+	 * New hosts and automounts
+	 */
+	list_of_hosts = new_que();
+	list_of_automounts = new_que();
+
+	/*
+	 * New dictionaries
+	 */
+	dict_of_volnames = new_dict();
+	dict_of_hosts = new_dict();
+
+	/*
+	 * Parse input
+	 */
+	show_area_being_processed("read config", 11);
+	if (yyparse())
+		errors = 1;
+	errors += file_io_errors + parse_errors;
+
+	if (errors == 0) {
+		/*
+		 * Do semantic analysis of input
+		 */
+		analyze_hosts(list_of_hosts);
+		analyze_automounts(list_of_automounts);
+	}
+
+	/*
+	 * Give up if errors
+	 */
+	if (errors == 0) {
+		/*
+		 * Output data files
+		 */
+
+		write_atab(list_of_automounts);
+		write_bootparams(list_of_hosts);
+		write_dumpset(list_of_hosts);
+		write_exportfs(list_of_hosts);
+		write_fstab(list_of_hosts);
+	}
+
+	col_cleanup(1);
+
+	exit(errors);
+}
diff --git a/usr.sbin/amd/fsinfo/fsinfo.h b/usr.sbin/amd/fsinfo/fsinfo.h
new file mode 100644
index 0000000..0d07e21
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/fsinfo.h
@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)fsinfo.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: fsinfo.h,v 5.2.2.1 1992/02/09 15:09:51 jsp beta $
+ *
+ */
+
+/*
+ * Get this in now so that OS_HDR can use it
+ */
+#ifdef __STDC__
+#define	P(x) x
+#define	P_void void
+#define Const const
+#else
+#define P(x) ()
+#define P_void /* as nothing */
+#define Const /* as nothing */
+#endif /* __STDC__ */
+
+#ifdef __GNUC__
+#define INLINE /* __inline */
+#else
+#define	INLINE
+#endif /* __GNUC__ */
+
+/*
+ * Pick up target dependent definitions
+ */
+#include "os-defaults.h"
+#include OS_HDR
+
+#ifdef VOIDP
+typedef void *voidp;
+#else
+typedef char *voidp;
+#endif /* VOIDP */
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/param.h>
+
+/*
+ * Bogosity to deal with ether { ... }
+ */
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <net/if.h>
+#include <netinet/if_ether.h>
+
+#include "fsi_data.h"
+
+extern char* strchr P((Const char*, int)); /* C */
+extern char* strrchr P((Const char*, int)); /* C */
+extern char *strdup P((char*)); /* C */
+extern void fatal();
+extern void warning();
+extern void error();
+extern void analyze_automounts P((qelem*));
+extern void analyze_hosts P((qelem*));
+extern void compute_automount_point P((char*, host*, char*));
+extern automount *new_automount P((char*));
+extern auto_tree *new_auto_tree P((char*, qelem*));
+extern host *new_host P((void));
+extern disk_fs *new_disk_fs P((void));
+extern void set_disk_fs P((disk_fs*, int, char*));
+extern ether_if *new_ether_if P((void));
+extern mount *new_mount P((void));
+extern void set_mount P((mount*, int, char*));
+extern fsmount *new_fsmount P((void));
+extern void set_fsmount P((fsmount*, int, char*));
+extern qelem *new_que P((void));
+extern void init_que P((qelem*));
+extern void ins_que P((qelem*, qelem*));
+extern void rem_que P((qelem*));
+extern dict *new_dict P((void));
+extern dict_ent *dict_locate P((dict*, char*));
+extern void dict_add P((dict*, char*, char*));
+extern int dict_iter P((dict*, int (*)()));
+extern void info_hdr();
+extern void gen_hdr();
+extern FILE *pref_open();
+extern int pref_close();
+extern ioloc *current_location();
+
+extern char *disk_fs_strings[];
+extern char *mount_strings[];
+extern char *fsmount_strings[];
+extern char *host_strings[];
+extern char *ether_if_strings[];
+extern char *autodir;
+extern char *progname;
+extern char hostname[];
+extern char *username;
+extern char **g_argv;
+extern char *fstab_pref;
+extern char *exportfs_pref;
+extern char *mount_pref;
+extern char *dumpset_pref;
+extern char *bootparams_pref;
+extern char idvbuf[];
+
+extern int file_io_errors;
+extern int parse_errors;
+extern int errors;
+extern int verbose;
+
+extern dict *dict_of_hosts;
+extern dict *dict_of_volnames;
+
+extern char *xcalloc();
+extern char *xmalloc();
+#define	ALLOC(x)	((struct x *) xcalloc(1, sizeof(struct x)))
+#define	STREQ(s,t)	(*(s) == *(t) && strcmp((s)+1,(t)+1) == 0)
+#define	ISSET(m,b)	((m) & (1<<(b)))
+#define	BITSET(m,b)	((m) |= (1<<(b)))
+
+#define	FIRST(ty, q)	((ty *) ((q)->q_forw))
+#define	LAST(ty, q)	((ty *) ((q)->q_back))
+#define	NEXT(ty, q)	((ty *) (((qelem *) q)->q_forw))
+#define	HEAD(ty, q)	((ty *) q)
+#define	ITER(v, ty, q) \
+	for ((v) = FIRST(ty,(q)); (v) != HEAD(ty,(q)); (v) = NEXT(ty,(v)))
diff --git a/usr.sbin/amd/fsinfo/wr_atab.c b/usr.sbin/amd/fsinfo/wr_atab.c
new file mode 100644
index 0000000..3e07965
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/wr_atab.c
@@ -0,0 +1,284 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)wr_atab.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: wr_atab.c,v 5.2.2.1 1992/02/09 15:09:44 jsp beta $
+ *
+ */
+
+#include "../fsinfo/fsinfo.h"
+
+/*
+ * Write a sequence of automount mount map entries
+ */
+static int write_amount_info(af, ap, sk)
+FILE *af;
+automount *ap;
+int sk;
+{
+	int errors = 0;
+	if (ap->a_mount) {
+		/*
+		 * A pseudo-directory.
+		 * This can also be a top-level directory, in which
+		 * case the type:=auto is not wanted...
+		 *
+		 * type:=auto;fs:=${map};pref:=whatever/
+		 */
+		automount *ap2;
+		if (strlen(ap->a_name) > sk) {
+			fprintf(af, "%s type:=auto;fs:=${map};pref:=%s/\n",
+				ap->a_name + sk, ap->a_name + sk);
+		}
+		ITER(ap2, automount, ap->a_mount)
+			errors += write_amount_info(af, ap2, sk);
+	} else if (ap->a_mounted) {
+		/*
+		 * A mounted partition
+		 * type:=link [ link entries ] type:=nfs [ nfs entries ]
+		 */
+		dict_data *dd;
+		dict_ent *de = ap->a_mounted;
+		int done_type_link = 0;
+		char *key = ap->a_name + sk;
+
+		/*
+		 * Output the map key
+		 */
+		fputs(key, af);
+
+		/*
+		 * First output any Link locations that would not
+		 * otherwise be correctly mounted.  These refer
+		 * to filesystem which are not mounted in the same
+		 * place which the automounter would use.
+		 */
+		ITER(dd, dict_data, &de->de_q) {
+			mount *mp = (mount *) dd->dd_data;
+			/*
+			 * If the mount point and the exported volname are the
+			 * same then this filesystem will be recognised by
+			 * the restart code - so we don't need to put out a
+			 * special rule for it.
+			 */
+			if (mp->m_dk->d_host->h_lochost) {
+				char amountpt[1024];
+				compute_automount_point(amountpt, mp->m_dk->d_host, mp->m_exported->m_volname);
+				if (strcmp(mp->m_dk->d_mountpt, amountpt) != 0) {
+					/*
+					 * ap->a_volname is the name of the aliased volume
+					 * mp->m_name is the mount point of the filesystem
+					 * mp->m_volname is the volume name of the filesystems
+					 */
+
+					/*
+					 * Find length of key and volume names
+					 */
+					int avlen = strlen(ap->a_volname);
+					int mnlen = strlen(mp->m_volname);
+					/*
+					 * Make sure a -type:=link is output once
+					 */
+					if (!done_type_link) {
+						done_type_link = 1;
+						fputs(" -type:=link", af);
+					}
+					/*
+					 * Output a selector for the hostname,
+					 * the device from which to mount and
+					 * where to mount.  This will correspond
+					 * to the values output for the fstab.
+					 */
+					if (mp->m_dk->d_host->h_lochost)
+						fprintf(af, " host==%s", mp->m_dk->d_host->h_lochost);
+					else
+						fprintf(af, " hostd==%s", mp->m_dk->d_host->h_hostname);
+					fprintf(af, ";fs:=%s", mp->m_name);
+					/*
+					 * ... and a sublink if needed
+					 */
+					if (mnlen < avlen) {
+						char *sublink = ap->a_volname + mnlen + 1;
+						fprintf(af, "/%s", sublink);
+					}
+					fputs(" ||", af);
+				}
+			}
+		}
+
+		/*
+		 * Next do the NFS locations
+		 */
+
+		if (done_type_link)
+			fputs(" -", af);
+
+		ITER(dd, dict_data, &de->de_q) {
+			mount *mp = (mount *) dd->dd_data;
+			int namelen = mp->m_name_len;
+			int exp_namelen = mp->m_exported->m_name_len;
+			int volnlen = strlen(ap->a_volname);
+			int mvolnlen = strlen(mp->m_volname);
+			fputc(' ', af);
+#ifdef notdef
+			fprintf(af, "\\\n /* avolname = %s, mname = %s,\n  * mvolname = %s, mexp_name = %s,\n  * mexp_volname = %s\n  */\\\n",
+				ap->a_volname, mp->m_name, mp->m_volname, mp->m_exported->m_name, mp->m_exported->m_volname);
+#endif
+			/*
+			 * Output any selectors
+			 */
+			if (mp->m_sel)
+				fprintf(af, "%s;", mp->m_sel);
+			/*
+			 * Print host and volname of exported filesystem
+			 */
+			fprintf(af, "rhost:=%s",
+				mp->m_dk->d_host->h_lochost ?
+				mp->m_dk->d_host->h_lochost :
+				mp->m_dk->d_host->h_hostname);
+			fprintf(af, ";rfs:=%s", mp->m_exported->m_volname);
+			/*
+			 * Now determine whether a sublink is required.
+			 */
+			if (exp_namelen < namelen || mvolnlen < volnlen) {
+				char sublink[1024];
+				sublink[0] = '\0';
+				if (exp_namelen < namelen) {
+					strcat(sublink, mp->m_name + exp_namelen + 1);
+					if (mvolnlen < volnlen)
+						strcat(sublink, "/");
+				}
+				if (mvolnlen < volnlen)
+					strcat(sublink, ap->a_volname + mvolnlen + 1);
+
+				fprintf(af, ";sublink:=%s", sublink);
+			}
+		}
+		fputc('\n', af);
+	} else if (ap->a_symlink) {
+		/*
+		 * A specific link.
+		 *
+		 * type:=link;fs:=whatever
+		 */
+		fprintf(af, "%s type:=link;fs:=%s\n", ap->a_name + sk, ap->a_symlink);
+	}
+	return errors;
+}
+
+/*
+ * Write a single automount configuration file
+ */
+static int write_amount(q, def)
+qelem *q;
+char *def;
+{
+	automount *ap;
+	int errors = 0;
+	int direct = 0;
+
+	/*
+	 * Output all indirect maps
+	 */
+	ITER(ap, automount, q) {
+		FILE *af;
+		char *p;
+		/*
+		 * If there is no a_mount node then this is really
+		 * a direct mount, so just keep a count and continue.
+		 * Direct mounts are output into a special file during
+		 * the second pass below.
+		 */
+		if (!ap->a_mount) {
+			direct++;
+			continue;
+		}
+		p = strrchr(ap->a_name, '/');
+		if (!p) p = ap->a_name;
+		else p++;
+		af = pref_open(mount_pref, p, gen_hdr, ap->a_name);
+		if (af) {
+			show_new(ap->a_name);
+			fputs("/defaults ", af);
+			if (*def)
+				fprintf(af, "%s;", def);
+			fputs("type:=nfs\n", af);
+			errors += write_amount_info(af, ap, strlen(ap->a_name) + 1);
+			errors += pref_close(af);
+		}
+	}
+
+	/*
+	 * Output any direct map entries which were found during the
+	 * previous pass over the data.
+	 */
+	if (direct) {
+		FILE *af = pref_open(mount_pref, "direct.map", info_hdr, "direct mount");
+		if (af) {
+			show_new("direct mounts");
+			fputs("/defaults ", af);
+			if (*def)
+				fprintf(af, "%s;", def);
+			fputs("type:=nfs\n", af);
+			ITER(ap, automount, q)
+				if (!ap->a_mount)
+					errors += write_amount_info(af, ap, 1);
+			errors += pref_close(af);
+		}
+	}
+	
+	return errors;
+}
+
+/*
+ * Write all the needed automount configuration files
+ */
+write_atab(q)
+qelem *q;
+{
+	int errors = 0;
+
+	if (mount_pref) {
+		auto_tree *tp;
+		show_area_being_processed("write automount", "");
+		ITER(tp, auto_tree, q)
+			errors += write_amount(tp->t_mount, tp->t_defaults);
+	}
+
+	return errors;
+}
diff --git a/usr.sbin/amd/fsinfo/wr_bparam.c b/usr.sbin/amd/fsinfo/wr_bparam.c
new file mode 100644
index 0000000..9ef0fcd
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/wr_bparam.c
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)wr_bparam.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: wr_bparam.c,v 5.2.2.1 1992/02/09 15:09:46 jsp beta $
+ *
+ */
+
+#include "../fsinfo/fsinfo.h"
+
+/*
+ * Write a host/path in NFS format
+ */
+static int write_nfsname(ef, fp, hn)
+FILE *ef;
+fsmount *fp;
+char *hn;
+{
+	int errors = 0;
+	char *h = strdup(fp->f_ref->m_dk->d_host->h_hostname);
+	domain_strip(h, hn);
+	fprintf(ef, "%s:%s", h, fp->f_volname);
+	free(h);
+	return errors;
+}
+
+/*
+ * Write a bootparams entry for a host
+ */
+static int write_boot_info(ef, hp)
+FILE *ef;
+host *hp;
+{
+	int errors = 0;
+	fprintf(ef, "%s\troot=", hp->h_hostname);
+	errors += write_nfsname(ef, hp->h_netroot, hp->h_hostname);
+	fputs(" swap=", ef);
+	errors += write_nfsname(ef, hp->h_netswap, hp->h_hostname);
+	fputs("\n", ef);
+
+	return 0;
+}
+
+/*
+ * Output a bootparams file
+ */
+int write_bootparams(q)
+qelem *q;
+{
+	int errors = 0;
+
+	if (bootparams_pref) {
+		FILE *ef = pref_open(bootparams_pref, "bootparams", info_hdr, "bootparams");
+		if (ef) {
+			host *hp;
+			ITER(hp, host, q)
+				if (hp->h_netroot && hp->h_netswap)
+					errors += write_boot_info(ef, hp);
+			errors += pref_close(ef);
+		} else {
+			errors++;
+		}
+	}
+
+	return errors;
+}
diff --git a/usr.sbin/amd/fsinfo/wr_dumpset.c b/usr.sbin/amd/fsinfo/wr_dumpset.c
new file mode 100644
index 0000000..d118feb
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/wr_dumpset.c
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)wr_dumpset.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: wr_dumpset.c,v 5.2.2.1 1992/02/09 15:09:47 jsp beta $
+ *
+ */
+
+#include "../fsinfo/fsinfo.h"
+
+static int write_dumpset_info(ef, q)
+FILE *ef;
+qelem *q;
+{
+	int errors = 0;
+	disk_fs *dp;
+
+	ITER(dp, disk_fs, q) {
+		if (dp->d_dumpset) {
+			fprintf(ef, "%s\t%s:%-30s\t# %s\n",
+				dp->d_dumpset,
+				dp->d_host->h_lochost ?
+				dp->d_host->h_lochost :
+				dp->d_host->h_hostname,
+				dp->d_mountpt,
+				dp->d_dev);
+		}
+	}
+	return errors;
+}
+
+int write_dumpset(q)
+qelem *q;
+{
+	int errors = 0;
+
+	if (dumpset_pref) {
+		FILE *ef = pref_open(dumpset_pref, "dumpsets", info_hdr, "exabyte dumpset");
+		if (ef) {
+			host *hp;
+			ITER(hp, host, q) {
+				if (hp->h_disk_fs) {
+					errors += write_dumpset_info(ef, hp->h_disk_fs);
+				}
+			}
+			errors += pref_close(ef);
+		} else {
+			errors++;
+		}
+	}
+
+	return errors;
+}
diff --git a/usr.sbin/amd/fsinfo/wr_exportfs.c b/usr.sbin/amd/fsinfo/wr_exportfs.c
new file mode 100644
index 0000000..982b538f
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/wr_exportfs.c
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)wr_exportfs.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: wr_exportfs.c,v 5.2.2.1 1992/02/09 15:09:48 jsp beta $
+ *
+ */
+
+#include "../fsinfo/fsinfo.h"
+
+static int write_export_info(ef, q, errors)
+FILE *ef;
+qelem *q;
+int errors;
+{
+	mount *mp;
+
+	ITER(mp, mount, q) {
+		if (mp->m_mask & (1<<DM_EXPORTFS))
+			fprintf(ef, "%s\t%s\n", mp->m_volname, mp->m_exportfs);
+		if (mp->m_mount)
+			errors += write_export_info(ef, mp->m_mount, 0);
+	}
+
+	return errors;
+}
+
+static int write_dkexports(ef, q)
+FILE *ef;
+qelem *q;
+{
+	int errors = 0;
+	disk_fs *dp;
+
+	ITER(dp, disk_fs, q) {
+		if (dp->d_mount)
+			errors += write_export_info(ef, dp->d_mount, 0);
+	}
+	return errors;
+}
+
+int write_exportfs(q)
+qelem *q;
+{
+	int errors = 0;
+
+	if (exportfs_pref) {
+		host *hp;
+		show_area_being_processed("write exportfs", "");
+		ITER(hp, host, q) {
+			if (hp->h_disk_fs) {
+				FILE *ef = pref_open(exportfs_pref, hp->h_hostname, gen_hdr, hp->h_hostname);
+				if (ef) {
+					show_new(hp->h_hostname);
+					errors += write_dkexports(ef, hp->h_disk_fs);
+					errors += pref_close(ef);
+				} else {
+					errors++;
+				}
+			}
+		}
+	}
+
+	return errors;
+}
diff --git a/usr.sbin/amd/fsinfo/wr_fstab.c b/usr.sbin/amd/fsinfo/wr_fstab.c
new file mode 100644
index 0000000..85d3687
--- /dev/null
+++ b/usr.sbin/amd/fsinfo/wr_fstab.c
@@ -0,0 +1,303 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)wr_fstab.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: wr_fstab.c,v 5.2.2.1 1992/02/09 15:09:49 jsp beta $
+ *
+ */
+
+#include "../fsinfo/fsinfo.h"
+
+/* ---------- AIX 1 ------------------------------ */
+
+/*
+ * AIX 1 format
+ */
+static void write_aix1_dkfstab(ef, dp)
+FILE *ef;
+disk_fs *dp;
+{
+	char *hp = strdup(dp->d_host->h_hostname);
+	char *p = strchr(hp, '.');
+	if (p)
+		*p = '\0';
+
+	fprintf(ef, "\n%s:\n\tdev = %s\n\tvfs = %s\n\ttype = %s\n\tlog = %s\n\tvol = %s\n\topts = %s\n\tmount = true\n\tcheck = true\n\tfree = false\n",
+		dp->d_mountpt,
+		dp->d_dev,
+		dp->d_fstype,
+		dp->d_fstype,
+		dp->d_log,
+		dp->d_mountpt,
+		dp->d_opts);
+	free(hp);
+}
+
+static void write_aix1_dkrmount(ef, hn, fp)
+FILE *ef;
+char *hn;
+fsmount *fp;
+{
+	char *h = strdup(fp->f_ref->m_dk->d_host->h_hostname);
+	char *hp = strdup(h);
+	char *p = strchr(hp, '.');
+	if (p)
+		*p = '\0';
+	domain_strip(h, hn);
+	fprintf(ef, "\n%s:\n\tsite = %s\n\tdev = %s:%s\n\tvfs = %s\n\ttype = %s\n\tvol = %s\n\topts = %s\n\tmount = true\n\tcheck = true\n\tfree = false\n",
+		fp->f_localname,
+		hp,
+		h,
+		fp->f_volname,
+		fp->f_fstype,
+		fp->f_fstype,
+		fp->f_localname,
+		fp->f_opts);
+
+	free(hp);
+	free(h);
+}
+
+/* ---------- AIX 3 ------------------------------ */
+
+/*
+ * AIX 3 format
+ */
+static void write_aix3_dkfstab(ef, dp)
+FILE *ef;
+disk_fs *dp;
+{
+	if (strcmp(dp->d_fstype, "jfs") == 0 && strncmp(dp->d_dev, "/dev/", 5) == 0 && !dp->d_log)
+		error("aix 3 needs a log device for journalled filesystem (jfs) mounts");
+
+	fprintf(ef, "\n%s:\n\tdev = %s\n\tvfs = %s\n\ttype = %s\n\tlog = %s\n\tvol = %s\n\topts = %s\n\tmount = true\n\tcheck = true\n\tfree = false\n",
+		dp->d_mountpt,
+		dp->d_dev,
+		dp->d_fstype,
+		dp->d_fstype,
+		dp->d_log,
+		dp->d_mountpt,
+		dp->d_opts);
+}
+
+static void write_aix3_dkrmount(ef, hn, fp)
+FILE *ef;
+char *hn;
+fsmount *fp;
+{
+	char *h = strdup(fp->f_ref->m_dk->d_host->h_hostname);
+	domain_strip(h, hn);
+	fprintf(ef, "\n%s:\n\tdev = %s:%s\n\tvfs = %s\n\ttype = %s\n\tvol = %s\n\topts = %s\n\tmount = true\n\tcheck = true\n\tfree = false\n",
+		fp->f_localname,
+		h,
+		fp->f_volname,
+		fp->f_fstype,
+		fp->f_fstype,
+		fp->f_localname,
+		fp->f_opts);
+
+	free(h);
+}
+
+/* ---------- Ultrix ----------------------------- */
+
+static void write_ultrix_dkfstab(ef, dp)
+FILE *ef;
+disk_fs *dp;
+{
+	fprintf(ef, "%s:%s:%s:%s:%d:%d\n",
+		dp->d_dev,
+		dp->d_mountpt,
+		dp->d_fstype,
+		dp->d_opts,
+		dp->d_freq,
+		dp->d_passno);
+}
+
+static void write_ultrix_dkrmount(ef, hn, fp)
+FILE *ef;
+char *hn;
+fsmount *fp;
+{
+	char *h = strdup(fp->f_ref->m_dk->d_host->h_hostname);
+	domain_strip(h, hn);
+	fprintf(ef, "%s@%s:%s:%s:%s:0:0\n",
+		fp->f_volname,
+		h,
+		fp->f_localname,
+		fp->f_fstype,
+		fp->f_opts);
+	free(h);
+}
+
+/* ---------- Generic ---------------------------- */
+
+/*
+ * Generic (BSD, SunOS, HPUX) format
+ */
+static void write_generic_dkfstab(ef, dp)
+FILE *ef;
+disk_fs *dp;
+{
+	fprintf(ef, "%s %s %s %s %d %d\n",
+		dp->d_dev,
+		dp->d_mountpt,
+		dp->d_fstype,
+		dp->d_opts,
+		dp->d_freq,
+		dp->d_passno);
+}
+
+static void write_generic_dkrmount(ef, hn, fp)
+FILE *ef;
+char *hn;
+fsmount *fp;
+{
+	char *h = strdup(fp->f_ref->m_dk->d_host->h_hostname);
+	domain_strip(h, hn);
+	fprintf(ef, "%s:%s %s %s %s 0 0\n",
+		h,
+		fp->f_volname,
+		fp->f_localname,
+		fp->f_fstype,
+		fp->f_opts);
+	free(h);
+}
+
+/* ----------------------------------------------- */
+
+static struct os_fstab_type {
+	char *os_name;
+	void (*op_fstab)();
+	void (*op_mount)();
+} os_tabs[] = {
+	{ "aix1", write_aix1_dkfstab, write_aix1_dkrmount },		/* AIX 1 */
+	{ "aix3", write_aix3_dkfstab, write_aix3_dkrmount },		/* AIX 3 */
+	{ "generic", write_generic_dkfstab, write_generic_dkrmount },	/* Generic */
+	{ "u2_0", write_ultrix_dkfstab, write_ultrix_dkrmount },	/* Ultrix */
+	{ "u3_0", write_ultrix_dkfstab, write_ultrix_dkrmount },	/* Ultrix */
+	{ "u4_0", write_ultrix_dkfstab, write_ultrix_dkrmount },	/* Ultrix */
+	{ 0, 0, 0 }
+};
+
+#define	GENERIC_OS_NAME "generic"
+
+static struct os_fstab_type *find_fstab_type(hp)
+host *hp;
+{
+	struct os_fstab_type *op = 0;
+	char *os_name = 0;
+
+again:;
+	if (os_name == 0) {
+		if (ISSET(hp->h_mask, HF_OS))
+			os_name = hp->h_os;
+		else
+			os_name = GENERIC_OS_NAME;
+	}
+
+	for (op = os_tabs; op->os_name; op++)
+		if (strcmp(os_name, op->os_name) == 0)
+			return op;
+
+	os_name = GENERIC_OS_NAME;
+	goto again;
+}
+
+static int write_dkfstab(ef, q, output)
+FILE *ef;
+qelem *q;
+void (*output)();
+{
+	int errors = 0;
+	disk_fs *dp;
+
+	ITER(dp, disk_fs, q)
+		if (strcmp(dp->d_fstype, "export") != 0)
+			(*output)(ef, dp);
+
+	return errors;
+}
+
+static int write_dkrmount(ef, q, hn, output)
+FILE *ef;
+qelem *q;
+char *hn;
+void (*output)();
+{
+	int errors = 0;
+	fsmount *fp;
+
+	ITER(fp, fsmount, q)
+		(*output)(ef, hn, fp);
+
+	return errors;
+}
+
+int write_fstab(q)
+qelem *q;
+{
+	int errors = 0;
+
+	if (fstab_pref) {
+		host *hp;
+		show_area_being_processed("write fstab", 4);
+		ITER(hp, host, q) {
+			if (hp->h_disk_fs || hp->h_mount) {
+				FILE *ef = pref_open(fstab_pref, hp->h_hostname, gen_hdr, hp->h_hostname);
+				if (ef) {
+					struct os_fstab_type *op = find_fstab_type(hp);
+					show_new(hp->h_hostname);
+					if (hp->h_disk_fs)
+						errors += write_dkfstab(ef, hp->h_disk_fs, op->op_fstab);
+					else
+						log("No local disk mounts on %s", hp->h_hostname);
+
+					if (hp->h_mount)
+						errors += write_dkrmount(ef, hp->h_mount, hp->h_hostname, op->op_mount);
+
+					pref_close(ef);
+				}
+			} else {
+				error("no disk mounts on %s", hp->h_hostname);
+			}
+		}
+	}
+
+	return errors;
+}
diff --git a/usr.sbin/amd/include/am.h b/usr.sbin/amd/include/am.h
new file mode 100644
index 0000000..14a728d
--- /dev/null
+++ b/usr.sbin/amd/include/am.h
@@ -0,0 +1,567 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)am.h	5.6 (Berkeley) 6/6/93
+ *
+ * $Id: am.h,v 5.2.2.1 1992/02/09 15:09:54 jsp beta $
+ *
+ */
+
+#include "config.h"
+
+/*
+ * Global declarations
+ */
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <rpc/rpc.h>
+#include "nfs_prot.h"
+#ifdef MNTENT_HDR
+#include MNTENT_HDR
+#endif /* MNTENT_HDR */
+#include <assert.h>
+
+#ifdef DEBUG_MEM
+#include <malloc.h>
+#endif /* DEBUG_MEM */
+
+#ifndef MAXHOSTNAMELEN
+#define MAXHOSTNAMELEN 64
+#endif /* MAXHOSTNAMELEN */
+
+#ifndef MNTTYPE_AUTO
+#define MNTTYPE_AUTO "auto"
+#endif /* MNTTYPE_AUTO */
+
+#ifndef FALSE
+#define FALSE 0
+#define TRUE 1
+#endif /* FALSE */
+
+#ifndef ROOT_MAP
+#define	ROOT_MAP "\"root\""
+#endif /* ROOT_MAP */
+
+/*
+ * Flags from command line
+ */
+extern int print_pid;		/* Print pid to stdout */
+extern int normalize_hosts;	/* Normalize host names before use */
+extern int restart_existing_mounts;
+#ifdef HAS_NIS_MAPS
+extern char *domain;		/* NIS domain to use */
+#endif /* HAS_NIS_MAPS */
+extern int am_timeo;		/* Cache period */
+extern int afs_timeo;		/* AFS timeout */
+extern int afs_retrans;		/* AFS retrans */
+extern int am_timeo_w;		/* Unmount timeout */
+extern char *mtab;		/* Mount table */
+
+typedef enum {
+	Start,
+	Run,
+	Finishing,
+	Quit,
+	Done
+} serv_state;
+
+extern serv_state amd_state;	/* Should we go now */
+extern int immediate_abort;	/* Should close-down unmounts be retried */
+extern time_t do_mapc_reload;	/* Flush & reload mount map cache */
+
+/*
+ * Useful constants
+ */
+extern char pid_fsname[];	/* kiska.southseas.nz:(pid%d) */
+extern char hostd[];		/* "kiska.southseas.nz" */
+extern char *hostdomain;	/* "southseas.nz" */
+extern char *op_sys;		/* "sos4" */
+extern char *arch;		/* "sun4" */
+extern char *karch;		/* "sun4c" */
+extern char *cluster;		/* "r+d-kluster" */
+extern char *endian;		/* "big" */
+extern char *auto_dir;		/* "/a" */
+extern char copyright[];	/* Copyright info */
+extern char version[];		/* Version info */
+
+typedef struct am_ops am_ops;
+typedef struct am_node am_node;
+typedef struct am_opts am_opts;
+typedef struct mntfs mntfs;
+typedef struct fserver fserver;
+typedef struct fsrvinfo fsrvinfo;
+
+/*
+ * Debug defns.
+ */
+#ifdef DEBUG
+#define	DEBUG_MTAB	"./mtab"
+
+extern int debug_flags;		/* Debug options */
+
+#define	D_DAEMON	0x0001	/* Enter daemon mode */
+#define	D_TRACE		0x0002	/* Do protocol trace */
+#define	D_FULL		0x0004	/* Do full trace */
+#define	D_MTAB		0x0008	/* Use local mtab */
+#define	D_AMQ		0x0010	/* Register amq program */
+#define	D_STR		0x0020	/* Debug string munging */
+#define	D_MEM		0x0040	/* Trace memory allocations */
+
+/*
+ * Normally, don't enter daemon mode, and don't register amq
+ */
+#define	D_TEST	(~(D_DAEMON|D_MEM|D_STR))
+#endif /* DEBUG */
+
+/*
+ * Global variables.
+ */
+extern unsigned short nfs_port;	/* Our NFS service port */
+extern struct in_addr myipaddr;	/* (An) IP address of this host */
+
+extern int foreground;		/* Foreground process */
+extern time_t next_softclock;	/* Time to call softclock() */
+extern int task_notify_todo;	/* Task notifier needs running */
+#ifdef HAS_TFS
+extern int nfs_server_code_available;
+#endif /* HAS_TFS */
+extern int last_used_map;	/* Last map being used for mounts */
+extern AUTH *nfs_auth;		/* Dummy uthorisation for remote servers */
+extern am_node **exported_ap;	/* List of nodes */
+extern int first_free_map;	/* First free node */
+extern am_node *root_node;	/* Node for "root" */
+extern char *wire;		/* Name of primary connected network */
+#define	NEXP_AP	(254)
+#define NEXP_AP_MARGIN (128)
+
+typedef int (*task_fun)P((voidp));
+typedef void (*cb_fun)P((int, int, voidp));
+typedef void (*fwd_fun)P((voidp, int, struct sockaddr_in *,
+				struct sockaddr_in *, voidp, int));
+
+/*
+ * String comparison macros
+ */
+#define STREQ(s1, s2) (strcmp((s1), (s2)) == 0)
+#define FSTREQ(s1, s2) ((*(s1) == *(s2)) && STREQ((s1),(s2)))
+
+/*
+ * Linked list
+ */
+typedef struct qelem qelem;
+struct qelem {
+	qelem *q_forw;
+	qelem *q_back;
+};
+#define	FIRST(ty, q)	((ty *) ((q)->q_forw))
+#define	LAST(ty, q)	((ty *) ((q)->q_back))
+#define	NEXT(ty, q)	((ty *) (((qelem *) q)->q_forw))
+#define	PREV(ty, q)	((ty *) (((qelem *) q)->q_back))
+#define	HEAD(ty, q)	((ty *) q)
+#define	ITER(v, ty, q) \
+	for ((v) = FIRST(ty,(q)); (v) != HEAD(ty,(q)); (v) = NEXT(ty,(v)))
+
+/*
+ * List of mount table entries
+ */
+typedef struct mntlist mntlist;
+struct mntlist {
+	struct mntlist *mnext;
+	struct mntent *mnt;
+};
+
+/*
+ * Mount map
+ */
+typedef struct mnt_map mnt_map;
+
+/*
+ * Global routines
+ */
+extern int atoi P((Const char *)); /* C */
+extern void am_mounted P((am_node*));
+extern void am_unmounted P((am_node*));
+extern int background(P_void);
+extern int bind_resv_port P((int, unsigned short*));
+extern int compute_mount_flags P((struct mntent *));
+extern int softclock(P_void);
+#ifdef DEBUG
+extern int debug_option P((char*));
+#endif /* DEBUG */
+extern void deslashify P((char*));
+/*extern void domain_strip P((char*, char*));*/
+extern mntfs* dup_mntfs P((mntfs*));
+extern fserver* dup_srvr P((fserver*));
+extern int eval_fs_opts P((am_opts*, char*, char*, char*, char*, char*));
+extern char* expand_key P((char*));
+extern am_node* exported_ap_alloc(P_void);
+extern am_node* find_ap P((char*));
+extern am_node* find_mf P((mntfs*));
+extern mntfs* find_mntfs P((am_ops*, am_opts*, char*, char*, char*, char*, char*));
+extern void flush_mntfs(P_void);
+extern void flush_nfs_fhandle_cache P((fserver*));
+extern void forcibly_timeout_mp P((am_node*));
+extern FREE_RETURN_TYPE free P((voidp)); /* C */
+extern void free_mntfs P((mntfs*));
+extern void free_opts P((am_opts*));
+extern void free_map P((am_node*));
+extern void free_mntlist P((mntlist*));
+extern void free_srvr P((fserver*));
+extern int fwd_init(P_void);
+extern int fwd_packet P((int, voidp, int, struct sockaddr_in *,
+		struct sockaddr_in *, voidp, fwd_fun));
+extern void fwd_reply(P_void);
+extern void get_args P((int, char*[]));
+extern char *getwire P((void));
+#ifdef NEED_MNTOPT_PARSER
+extern char *hasmntopt P((struct mntent*, char*));
+#endif /* NEED_MNTOPT_PARSER */
+extern int hasmntval P((struct mntent*, char*));
+extern void host_normalize P((char **));
+extern char *inet_dquad P((char*, unsigned long));
+extern void init_map P((am_node*, char*));
+extern void insert_am P((am_node*, am_node*));
+extern void ins_que P((qelem*, qelem*));
+extern int islocalnet P((unsigned long));
+extern int make_nfs_auth P((void));
+extern void make_root_node(P_void);
+extern int make_rpc_packet P((char*, int, u_long, struct rpc_msg*, voidp, xdrproc_t, AUTH*));
+extern void map_flush_srvr P((fserver*));
+extern void mapc_add_kv P((mnt_map*, char*, char*));
+extern mnt_map* mapc_find P((char*, char*));
+extern void mapc_free P((mnt_map*));
+extern int mapc_keyiter P((mnt_map*, void (*)(char*,voidp), voidp));
+extern int mapc_search P((mnt_map*, char*, char**));
+extern void mapc_reload(P_void);
+extern void mapc_showtypes P((FILE*));
+extern int mkdirs P((char*, int));
+extern void mk_fattr P((am_node*, enum ftype));
+extern void mnt_free P((struct mntent*));
+extern int mount_auto_node P((char*, voidp));
+extern int mount_automounter P((int));
+extern int mount_exported(P_void);
+extern int mount_fs P((struct mntent*, int, caddr_t, int, MTYPE_TYPE));
+/*extern int mount_nfs_fh P((struct fhstatus*, char*, char*, char*, mntfs*));*/
+extern int mount_node P((am_node*));
+extern mntfs* new_mntfs(P_void);
+extern void new_ttl P((am_node*));
+extern am_node* next_map P((int*));
+extern int nfs_srvr_port P((fserver*, u_short*, voidp));
+extern void normalize_slash P((char*));
+extern void ops_showfstypes P((FILE*));
+extern int pickup_rpc_reply P((voidp, int, voidp, xdrproc_t));
+extern mntlist* read_mtab P((char*));
+extern mntfs* realloc_mntfs  P((mntfs*, am_ops*, am_opts*, char*, char*, char*, char*, char*));
+extern void rem_que P((qelem*));
+extern void reschedule_timeout_mp(P_void);
+extern void restart(P_void);
+#ifdef UPDATE_MTAB
+extern void rewrite_mtab P((mntlist *));
+#endif /* UPDATE_MTAB */
+extern void rmdirs P((char*));
+extern am_node* root_ap P((char*, int));
+extern int root_keyiter P((void (*)(char*,voidp), voidp));
+extern void root_newmap P((char*, char*, char*));
+extern void rpc_msg_init P((struct rpc_msg*, u_long, u_long, u_long));
+extern void run_task P((task_fun, voidp, cb_fun, voidp));
+extern void sched_task P((cb_fun, voidp, voidp));
+extern void show_rcs_info P((Const char*, char*));
+extern void sigchld P((int));
+extern void srvrlog P((fserver*, char*));
+extern char* str3cat P((char*, char*, char*, char*));
+extern char* strcat P((char*, Const char*)); /* C */
+extern int strcmp P((Const char*, Const char*)); /* C */
+extern char* strdup P((Const char*));
+extern int strlen P((Const char*)); /* C */
+extern char* strnsave P((Const char*, int));
+extern char* strrchr P((Const char*, int)); /* C */
+extern char* strealloc P((char*, char *));
+extern char** strsplit P((char*, int, int));
+extern int switch_option P((char*));
+extern int switch_to_logfile P((char*));
+extern void do_task_notify(P_void);
+extern int timeout P((unsigned int, void (*fn)(), voidp));
+extern void timeout_mp(P_void);
+extern void umount_exported(P_void);
+extern int umount_fs P((char*));
+/*extern int unmount_node P((am_node*));
+extern int unmount_node_wrap P((voidp));*/
+extern void unregister_amq(P_void);
+extern void untimeout P((int));
+extern int valid_key P((char*));
+extern void wakeup P((voidp));
+extern void wakeup_task P((int,int,voidp));
+extern void wakeup_srvr P((fserver*));
+extern void write_mntent P((struct mntent*));
+#ifdef UPDATE_MTAB
+extern void unlock_mntlist P((void));
+#else
+#define	unlock_mntlist()
+#endif /* UPDATE_MTAB */
+
+
+#define	ALLOC(ty)	((struct ty *) xmalloc(sizeof(struct ty)))
+
+/*
+ * Options
+ */
+struct am_opts {
+	char	*fs_glob;		/* Smashed copy of global options */
+	char	*fs_local;		/* Expanded copy of local options */
+	char	*fs_mtab;		/* Mount table entry */
+	/* Other options ... */
+	char	*opt_dev;
+	char	*opt_delay;
+	char	*opt_dir;
+	char	*opt_fs;
+	char	*opt_group;
+	char	*opt_mount;
+	char	*opt_opts;
+	char	*opt_remopts;
+	char	*opt_pref;
+	char	*opt_cache;
+	char	*opt_rfs;
+	char	*opt_rhost;
+	char	*opt_sublink;
+	char	*opt_type;
+	char	*opt_unmount;
+	char	*opt_user;
+};
+
+/*
+ * File Handle
+ *
+ * This is interpreted by indexing the exported array
+ * by fhh_id.
+ *
+ * The whole structure is mapped onto a standard fhandle_t
+ * when transmitted.
+ */
+struct am_fh {
+	int	fhh_pid;		/* process id */
+	int	fhh_id;			/* map id */
+	int	fhh_gen;		/* generation number */
+};
+
+extern am_node *fh_to_mp P((nfs_fh*));
+extern am_node *fh_to_mp3 P((nfs_fh*,int*,int));
+extern void mp_to_fh P((am_node*, nfs_fh*));
+#define	fh_to_mp2(fhp, rp) fh_to_mp3(fhp, rp, VLOOK_CREATE)
+extern int auto_fmount P((am_node *mp));
+extern int auto_fumount P((am_node *mp));
+
+#define	MAX_READDIR_ENTRIES	16
+
+typedef char*	(*vfs_match)P((am_opts*));
+typedef int	(*vfs_init)P((mntfs*));
+typedef int	(*vmount_fs)P((am_node*));
+typedef int	(*vfmount_fs)P((mntfs*));
+typedef int	(*vumount_fs)P((am_node*));
+typedef int	(*vfumount_fs)P((mntfs*));
+typedef am_node*(*vlookuppn)P((am_node*, char*, int*, int));
+typedef int	(*vreaddir)P((am_node*, nfscookie, dirlist*, entry*, int));
+typedef am_node*(*vreadlink)P((am_node*, int*));
+typedef void	(*vmounted)P((mntfs*));
+typedef void	(*vumounted)P((am_node*));
+typedef fserver*(*vffserver)P((mntfs*));
+
+struct am_ops {
+	char		*fs_type;
+	vfs_match	fs_match;
+	vfs_init	fs_init;
+	vmount_fs	mount_fs;
+	vfmount_fs	fmount_fs;
+	vumount_fs	umount_fs;
+	vfumount_fs	fumount_fs;
+	vlookuppn	lookuppn;
+	vreaddir	readdir;
+	vreadlink	readlink;
+	vmounted	mounted;
+	vumounted	umounted;
+	vffserver	ffserver;
+	int		fs_flags;
+};
+extern am_node *efs_lookuppn P((am_node*, char*, int*, int));
+extern int efs_readdir P((am_node*, nfscookie, dirlist*, entry*, int));
+
+#define	VLOOK_CREATE	0x1
+#define	VLOOK_DELETE	0x2
+
+#define FS_DIRECTORY	0x0001		/* This looks like a dir, not a link */
+#define	FS_MBACKGROUND	0x0002		/* Should background this mount */
+#define	FS_NOTIMEOUT	0x0004		/* Don't bother with timeouts */
+#define FS_MKMNT	0x0008		/* Need to make the mount point */
+#define FS_UBACKGROUND	0x0010		/* Unmount in background */
+#define	FS_BACKGROUND	(FS_MBACKGROUND|FS_UBACKGROUND)
+#define	FS_DISCARD	0x0020		/* Discard immediately on last reference */
+#define	FS_AMQINFO	0x0040		/* Amq is interested in this fs type */
+
+#ifdef SUNOS4_COMPAT
+extern am_ops *sunos4_match P((am_opts*, char*, char*, char*, char*, char*));
+#endif /* SUNOS4_COMPAT */
+extern am_ops *ops_match P((am_opts*, char*, char*, char*, char*, char*));
+#include "fstype.h"
+
+/*
+ * Per-mountpoint statistics
+ */
+struct am_stats {
+	time_t	s_mtime;	/* Mount time */
+	u_short	s_uid;		/* Uid of mounter */
+	int	s_getattr;	/* Count of getattrs */
+	int	s_lookup;	/* Count of lookups */
+	int	s_readdir;	/* Count of readdirs */
+	int	s_readlink;	/* Count of readlinks */
+	int	s_statfs;	/* Count of statfs */
+};
+typedef struct am_stats am_stats;
+
+/*
+ * System statistics
+ */
+struct amd_stats {
+	int	d_drops;	/* Dropped requests */
+	int	d_stale;	/* Stale NFS handles */
+	int	d_mok;		/* Succesful mounts */
+	int	d_merr;		/* Failed mounts */
+	int	d_uerr;		/* Failed unmounts */
+};
+extern struct amd_stats amd_stats;
+
+/*
+ * List of fileservers
+ */
+struct fserver {
+	qelem		fs_q;		/* List of fileservers */
+	int		fs_refc;	/* Number of references to this node */
+	char		*fs_host;	/* Normalized hostname of server */
+	struct sockaddr_in *fs_ip;	/* Network address of server */
+	int		fs_cid;		/* Callout id */
+	int		fs_pinger;	/* Ping (keepalive) interval */
+	int		fs_flags;	/* Flags */
+	char		*fs_type;	/* File server type */
+	voidp		fs_private;	/* Private data */
+	void		(*fs_prfree)();	/* Free private data */
+};
+#define	FSF_VALID	0x0001		/* Valid information available */
+#define	FSF_DOWN	0x0002		/* This fileserver is thought to be down */
+#define	FSF_ERROR	0x0004		/* Permanent error has occured */
+#define	FSF_WANT	0x0008		/* Want a wakeup call */
+#define	FSF_PINGING	0x0010		/* Already doing pings */
+#define	FSRV_ISDOWN(fs)	(((fs)->fs_flags & (FSF_DOWN|FSF_VALID)) == (FSF_DOWN|FSF_VALID))
+#define	FSRV_ISUP(fs)	(((fs)->fs_flags & (FSF_DOWN|FSF_VALID)) == (FSF_VALID))
+
+/*
+ * List of mounted filesystems
+ */
+struct mntfs {
+	qelem		mf_q;		/* List of mounted filesystems */
+	am_ops		*mf_ops;	/* Operations on this mountpoint */
+	am_opts		*mf_fo;		/* File opts */
+	char		*mf_mount;	/* "/a/kiska/home/kiska" */
+	char		*mf_info;	/* Mount info */
+	char		*mf_auto;	/* Automount opts */
+	char		*mf_mopts;	/* FS mount opts */
+	char		*mf_remopts;	/* Remote FS mount opts */
+	fserver		*mf_server;	/* File server */
+	int		mf_flags;	/* Flags */
+	int		mf_error;	/* Error code from background mount */
+	int		mf_refc;	/* Number of references to this node */
+	int		mf_cid;		/* Callout id */
+	void		(*mf_prfree)();	/* Free private space */
+	voidp		mf_private;	/* Private - per-fs data */
+};
+
+#define	MFF_MOUNTED	0x0001		/* Node is mounted */
+#define	MFF_MOUNTING	0x0002		/* Mount is in progress */
+#define	MFF_UNMOUNTING	0x0004		/* Unmount is in progress */
+#define	MFF_RESTART	0x0008		/* Restarted node */
+#define MFF_MKMNT	0x0010		/* Delete this node's am_mount */
+#define	MFF_ERROR	0x0020		/* This node failed to mount */
+#define	MFF_LOGDOWN	0x0040		/* Logged that this mount is down */
+#define	MFF_RSTKEEP	0x0080		/* Don't timeout this filesystem - restarted */
+#define	MFF_WANTTIMO	0x0100		/* Need a timeout call when not busy */
+
+/*
+ * Map of auto-mount points.
+ */
+struct am_node {
+	int		am_mapno;	/* Map number */
+	mntfs		*am_mnt;	/* Mounted filesystem */
+	char		*am_name;	/* "kiska"
+					   Name of this node */
+	char		*am_path;	/* "/home/kiska"
+					   Path of this node's mount point */
+	char		*am_link;	/* "/a/kiska/home/kiska/this/that"
+					   Link to sub-directory */
+	am_node		*am_parent,	/* Parent of this node */
+			*am_ysib,	/* Younger sibling of this node */
+			*am_osib,	/* Older sibling of this node */
+			*am_child;	/* First child of this node */
+	struct attrstat	am_attr;	/* File attributes */
+#define am_fattr	am_attr.attrstat_u.attributes
+	int		am_flags;	/* Boolean flags */
+	int		am_error;	/* Specific mount error */
+	time_t		am_ttl;		/* Time to live */
+	int		am_timeo_w;	/* Wait interval */
+	int		am_timeo;	/* Timeout interval */
+	unsigned int	am_gen;		/* Generation number */
+	char		*am_pref;	/* Mount info prefix */
+	am_stats	am_stats;	/* Statistics gathering */
+};
+
+#define	AMF_NOTIMEOUT	0x0001		/* This node never times out */
+#define	AMF_ROOT	0x0002		/* This is a root node */
+
+#define	ONE_HOUR	(60 * 60)	/* One hour in seconds */
+
+/*
+ * The following values can be tuned...
+ */
+#define	ALLOWED_MOUNT_TIME	40		/* 40s for a mount */
+#define	AM_TTL			(5 * 60)	/* Default cache period */
+#define	AM_TTL_W		(2 * 60)	/* Default unmount interval */
+#define	AM_PINGER		30		/* NFS ping interval for live systems */
+#define	AFS_TIMEO		8		/* Default afs timeout - .8s */
+#define	AFS_RETRANS		((ALLOWED_MOUNT_TIME*10+5*afs_timeo)/afs_timeo * 2)
+						/* Default afs retrans - 1/10th seconds */
+
+#define	RPC_XID_PORTMAP		0
+#define	RPC_XID_MOUNTD		1
+#define	RPC_XID_NFSPING		2
+#define	RPC_XID_MASK		(0x0f)		/* 16 id's for now */
+#define	MK_RPC_XID(type_id, uniq)	((type_id) | ((uniq) << 4))
diff --git a/usr.sbin/amd/include/config.h b/usr.sbin/amd/include/config.h
new file mode 100644
index 0000000..09b77bf
--- /dev/null
+++ b/usr.sbin/amd/include/config.h
@@ -0,0 +1,142 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)config.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: config.h,v 5.2.2.1 1992/02/09 15:09:56 jsp beta $
+ *
+ */
+
+/*
+ * Get this in now so that OS_HDR can use it
+ */
+#ifdef __STDC__
+#define	P(x) x
+#define	P_void void
+#define	Const const
+#else
+#define P(x) ()
+#define P_void /* as nothing */
+#define Const /* as nothing */
+#endif /* __STDC__ */
+
+#ifdef __GNUC__
+#define INLINE /* __inline */
+#else
+#define	INLINE
+#endif /* __GNUC__ */
+
+/*
+ * Pick up target dependent definitions
+ */
+#include "os-defaults.h"
+#include OS_HDR
+
+#ifdef VOIDP
+typedef void *voidp;
+#else
+typedef char *voidp;
+#endif /* VOIDP */
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/errno.h>
+extern int errno;
+#include <sys/time.h>
+
+#define clocktime() (clock_valid ? clock_valid : time(&clock_valid))
+extern time_t time P((time_t *));
+extern time_t clock_valid;	/* Clock needs recalculating */
+
+extern char *progname;		/* "amd"|"mmd" */
+extern char hostname[];		/* "kiska" */
+extern int mypid;		/* Current process id */
+
+#ifdef HAS_SYSLOG
+extern int syslogging;		/* Really using syslog */
+#endif /* HAS_SYSLOG */
+extern FILE *logfp;		/* Log file */
+extern int xlog_level;		/* Logging level */
+extern int xlog_level_init;
+
+extern int orig_umask;		/* umask() on startup */
+
+#define	XLOG_FATAL	0x0001
+#define	XLOG_ERROR	0x0002
+#define	XLOG_USER	0x0004
+#define	XLOG_WARNING	0x0008
+#define	XLOG_INFO	0x0010
+#define	XLOG_DEBUG	0x0020
+#define	XLOG_MAP	0x0040
+#define	XLOG_STATS	0x0080
+
+#define XLOG_DEFSTR	"all,nomap,nostats"		/* Default log options */
+#define XLOG_ALL	(XLOG_FATAL|XLOG_ERROR|XLOG_USER|XLOG_WARNING|XLOG_INFO|XLOG_MAP|XLOG_STATS)
+
+#ifdef DEBUG
+#define	D_ALL	(~0)
+
+#ifdef DEBUG_MEM
+#define free(x) xfree(__FILE__,__LINE__,x)
+#endif /* DEBUG_MEM */
+
+#define Debug(x) if (!(debug_flags & (x))) ; else
+#define dlog Debug(D_FULL) dplog
+#endif /* DEBUG */
+
+/*
+ * Option tables
+ */
+struct opt_tab {
+	char *opt;
+	int flag;
+};
+
+extern struct opt_tab xlog_opt[];
+
+extern int cmdoption P((char*, struct opt_tab*, int*));
+extern void going_down P((int));
+#ifdef DEBUG
+extern void dplog ();
+/*extern void dplog P((char*, ...));*/
+#endif /* DEBUG */
+extern void plog ();
+/*extern void plog P((int, char*, ...));*/
+extern void show_opts P((int ch, struct opt_tab*));
+extern char* strchr P((const char*, int)); /* C */
+extern voidp xmalloc P((int));
+extern voidp xrealloc P((voidp, int));
diff --git a/usr.sbin/amd/include/fstype.h b/usr.sbin/amd/include/fstype.h
new file mode 100644
index 0000000..03493d2
--- /dev/null
+++ b/usr.sbin/amd/include/fstype.h
@@ -0,0 +1,148 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)fstype.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: fstype.h,v 5.2.2.1 1992/02/09 15:09:57 jsp beta $
+ *
+ */
+
+/*
+ * File system types
+ */
+
+/*
+ * Automount File System
+ */
+#define HAS_AFS
+extern am_ops	afs_ops;	/* Automount file system (this!) */
+extern am_ops	toplvl_ops;	/* Top-level automount file system */
+extern am_ops	root_ops;	/* Root file system */
+extern qelem	afs_srvr_list;
+extern fserver *find_afs_srvr P((mntfs*));
+
+/*
+ * Direct Automount File System
+ */
+#define	HAS_DFS
+extern am_ops	dfs_ops;	/* Direct Automount file system (this too) */
+
+/*
+ * Error File System
+ */
+#define HAS_EFS
+extern am_ops	efs_ops;	/* Error file system */
+
+/*
+ * Inheritance File System
+ */
+#define HAS_IFS
+extern am_ops	ifs_ops;	/* Inheritance file system */
+
+/*
+ * Loopback File System
+ * LOFS is optional - you can compile without it.
+ */
+#ifdef OS_HAS_LOFS
+/*
+ * Most systems can't support this, and in
+ * any case most of the functionality is
+ * available with Symlink FS.  In fact,
+ * lofs_ops is not yet available.
+ */
+#define HAS_LOFS
+extern am_ops lofs_ops;
+#endif
+
+/*
+ * Netw*rk File System
+ * Good, slow, NFS.
+ * NFS host - a whole tree
+ */
+#define HAS_NFS
+#define	HAS_HOST
+#define HAS_NFSX
+extern am_ops	nfs_ops;	/* NFS */
+extern am_ops	nfsx_ops;	/* NFS X */
+extern am_ops	host_ops;	/* NFS host */
+#ifdef HOST_EXEC
+extern char	*host_helper;	/* "/usr/local/etc/amd-host" */
+#endif
+extern qelem	nfs_srvr_list;
+extern fserver *find_nfs_srvr P((mntfs*));
+
+/*
+ * Program File System
+ * PFS is optional - you can compile without it.
+ * This is useful for things like RVD.
+ */
+#define HAS_PFS
+extern am_ops	pfs_ops;	/* PFS */
+
+/*
+ * Translucent File System
+ * TFS is optional - you can compile without it.
+ * This is just plain cute.
+ */
+#ifdef notdef
+extern am_ops	tfs_ops;	/* TFS */
+#endif
+#undef	HAS_TFS
+
+/*
+ * Un*x File System
+ * Normal local disk file system.
+ */
+#define HAS_UFS
+extern am_ops	ufs_ops;	/* Un*x file system */
+
+/*
+ * Symbolic-link file system
+ * A "filesystem" which is just a symbol link.
+ *
+ * sfsx also checks that the target of the link exists.
+ */
+#define HAS_SFS
+extern am_ops	sfs_ops;	/* Symlink FS */
+#define HAS_SFSX
+extern am_ops	sfsx_ops;	/* Symlink FS with existence check */
+
+/*
+ * Union file system
+ */
+#define	HAS_UNION_FS
+extern am_ops	union_ops;	/* Union FS */
diff --git a/usr.sbin/amd/include/re.h b/usr.sbin/amd/include/re.h
new file mode 100644
index 0000000..73d6bf4
--- /dev/null
+++ b/usr.sbin/amd/include/re.h
@@ -0,0 +1,21 @@
+/*
+ * Definitions etc. for regexp(3) routines.
+ *
+ * Caveat:  this is V8 regexp(3) [actually, a reimplementation thereof],
+ * not the System V one.
+ */
+#define NSUBEXP  10
+typedef struct regexp {
+	char *startp[NSUBEXP];
+	char *endp[NSUBEXP];
+	char regstart;		/* Internal use only. */
+	char reganch;		/* Internal use only. */
+	char *regmust;		/* Internal use only. */
+	int regmlen;		/* Internal use only. */
+	char program[1];	/* Unwarranted chumminess with compiler. */
+} regexp;
+
+extern regexp *regcomp();
+extern int regexec();
+extern void regsub();
+extern void regerror();
diff --git a/usr.sbin/amd/include/remagic.h b/usr.sbin/amd/include/remagic.h
new file mode 100644
index 0000000..5acf447
--- /dev/null
+++ b/usr.sbin/amd/include/remagic.h
@@ -0,0 +1,5 @@
+/*
+ * The first byte of the regexp internal "program" is actually this magic
+ * number; the start node begins in the second byte.
+ */
+#define	MAGIC	0234
diff --git a/usr.sbin/amd/include/uwait.h b/usr.sbin/amd/include/uwait.h
new file mode 100644
index 0000000..c3f8cbe
--- /dev/null
+++ b/usr.sbin/amd/include/uwait.h
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)uwait.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: uwait.h,v 5.2.2.1 1992/02/09 15:10:01 jsp beta $
+ *
+ */
+
+#if defined(mc68k) || defined(mc68000) || defined(mc68020) || defined(sparc) || defined(hp9000s300) || defined(hp9000s800)
+#define BITS_BIGENDIAN
+#endif
+#if defined(vax) || defined(i386)
+#define BITS_LITTLENDIAN
+#endif
+#if !defined BITS_BIGENDIAN && !defined BITS_LITTLENDIAN
+ #error Do not know my byte ordering
+#endif
+
+/*
+ * Structure of the information in the first word returned by both
+ * wait and wait3.  If w_stopval==WSTOPPED, then the second structure
+ * describes the information returned, else the first.  See WUNTRACED below.
+ */
+union wait	{
+	int	w_status;		/* used in syscall */
+	/*
+	 * Terminated process status.
+	 */
+	struct {
+#ifdef BITS_LITTLENDIAN
+		unsigned short	w_Termsig:7;	/* termination signal */
+		unsigned short	w_Coredump:1;	/* core dump indicator */
+		unsigned short	w_Retcode:8;	/* exit code if w_termsig==0 */
+#endif
+#ifdef BITS_BIGENDIAN
+		unsigned short	w_Fill1:16;	/* high 16 bits unused */
+		unsigned short	w_Retcode:8;	/* exit code if w_termsig==0 */
+		unsigned short	w_Coredump:1;	/* core dump indicator */
+		unsigned short	w_Termsig:7;	/* termination signal */
+#endif
+	} w_U;
+};
+#define	w_termsig	w_U.w_Termsig
+#define w_coredump	w_U.w_Coredump
+#define w_retcode	w_U.w_Retcode
+
+#define WIFSIGNALED(x)	((x).w_termsig != 0)
+#define WIFEXITED(x)	((x).w_termsig == 0)
diff --git a/usr.sbin/amd/maps/a_master b/usr.sbin/amd/maps/a_master
new file mode 100644
index 0000000..2f60dde
--- /dev/null
+++ b/usr.sbin/amd/maps/a_master
@@ -0,0 +1,79 @@
+#machine	opts info
+achilles	-opts:=rw,grpid,nosuid \
+		type:=ufs;hostd==achilles.doc;dev:=/dev/xy1g \
+		type:=nfs;hostd!=achilles.doc;rhost:=achilles.doc;rfs:=/home/achilles
+#
+dougal		-opts:=rw,grpid,nosuid \
+		type:=ufs;hostd==dougal.doc;dev:=/dev/dsk/1s0 \
+		type:=nfs;hostd!=dougal.doc;rhost:=dougal.doc;rfs:=/home/dougal
+#
+dylan		type:=auto;fs:=${map};pref:=${key}/
+dylan/dk2	-opts:=rw,grpid,nosuid \
+		hostd==dylan.doc;type:=ufs;dev:=/dev/dsk/2s0 \
+		hostd!=dylan.doc;type:=nfs;rhost:=dylan.doc;rfs:=/home/dylan/dk2
+#
+dylan/dk3	-opts:=rw,grpid,nosuid \
+		hostd==dylan.doc;type:=ufs;dev:=/dev/dsk/3s0 \
+		hostd!=dylan.doc;type:=nfs;rhost:=dylan.doc;rfs:=/home/dylan/dk3
+#
+dylan/dk5	-opts:=rw,grpid,nosuid \
+		hostd==dylan.doc;type:=ufs;dev:=/dev/dsk/5s0 \
+		hostd!=dylan.doc;type:=nfs;rhost:=dylan.doc;rfs:=/home/dylan/dk5
+#
+ganymede	-opts:=rw,grpid,nosuid \
+		hostd!=${key}.${domain};type:=nfs;rhost:=${key}.${domain};rfs:=/home/${key}
+gummo		-opts:=rw,grpid,nosuid \
+		hostd!=gummo.doc;type:=nfs;rhost:=gummo.doc;rfs:=/home/gummo
+#
+# Wildcard match
+*		-opts:=rw,grpid,nosuid \
+		hostd!=${key}.${domain};type:=nfs;rhost:=${key}.${domain};rfs:=/home/${key}
+#
+#
+gould		-opts:=rw,grpid,nosuid \
+		hostd!=gould.doc;type:=nfs;rhost:=gould.doc;rfs:=/home/gould
+toytown		-opts:=rw,grpid,nosuid \
+		hostd!=toytown.doc;type:=nfs;rhost:=toytown.doc;rfs:=/home/${key}
+zebedee		-opts:=rw,grpid,nosuid \
+		hostd!=zebedee.doc;type:=nfs;rhost:=zebedee.doc;rfs:=/home/zebedee
+#
+# Should be ENOENT from mountd on toytown...
+#
+testing		-opts:=rw,grpid,nosuid \
+		hostd!=toytown.doc;type:=nfs;rhost:=toytown.doc;rfs:=/this/that
+#
+# Somewhere else
+#
+pebbles		-opts:=rw,grpid,nosuid \
+		hostd!=pebbles.cc;type:=nfs;rhost:=pebbles.cc;rfs:=/home/cc/pebbles
+#
+# Specify where to mount
+#
+xtoy		-opts:=rw,grpid,nosuid \
+		type:=nfs;rhost:=toytown.doc;rfs:=/home/toytown;fs:=/tmp/junk99
+#
+# Links...
+#
+alink		type:=link;hostd==achilles.doc;fs:=/etc
+tlink		type:=link;hostd==truth.doc;fs:=/etc
+uucp		type:=link;hostd==truth.doc;fs:=/etc;sublink:=uucp
+#
+# Duplicate mounts to the same place
+#
+dup1		-opts:=rw,grpid,nosuid \
+		type:=nfs;rhost:=toytown.doc;rfs:=/home/toytown;fs:=/tmp/tt-home
+dup2		-opts:=rw,grpid,nosuid \
+		type:=nfs;rhost:=ganymede.doc;rfs:=/home/ganymede;fs:=/tmp/tt-home
+#
+# Symlink
+#
+link		type:=link;fs:=dylan/dk2/adh
+#
+# Program mount
+#
+exec		type:=program;mount:="/bin/true false";unmount:="/bin/true true"
+#
+# Alternate mount locations.
+#
+alt		-host==truth;type:=nfs;rfs:=/var/spool/mail \
+			rhost:=toytown rhost:=charm rhost:=gummo
diff --git a/usr.sbin/amd/maps/a_net b/usr.sbin/amd/maps/a_net
new file mode 100644
index 0000000..ea2492b
--- /dev/null
+++ b/usr.sbin/amd/maps/a_net
@@ -0,0 +1,3 @@
+/defaults fs:=${autodir}/${rhost}/root/${rfs}
+*	rhost:=${key};type=host;rfs:=/
+
diff --git a/usr.sbin/amd/mk-amd-map/Makefile b/usr.sbin/amd/mk-amd-map/Makefile
new file mode 100644
index 0000000..6db921a
--- /dev/null
+++ b/usr.sbin/amd/mk-amd-map/Makefile
@@ -0,0 +1,11 @@
+#	@(#)Makefile	8.1 (Berkeley) 6/28/93
+
+PROG=	mk-amd-map
+CFLAGS+=-I${.CURDIR}/../include
+CFLAGS+=-I${.CURDIR}/../rpcx
+CFLAGS+=-I${.CURDIR}/../config
+CFLAGS+=-DOS_HDR=\"os-bsd44.h\"
+MAN8=	mk-amd-map.0
+
+.include "../../Makefile.inc"
+.include <bsd.prog.mk>
diff --git a/usr.sbin/amd/mk-amd-map/mk-amd-map.8 b/usr.sbin/amd/mk-amd-map/mk-amd-map.8
new file mode 100644
index 0000000..20f3217
--- /dev/null
+++ b/usr.sbin/amd/mk-amd-map/mk-amd-map.8
@@ -0,0 +1,59 @@
+.\" Copyright (c) 1993 Jan-Simon Pendry
+.\" Copyright (c) 1993
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"     @(#)mk-amd-map.8	8.1 (Berkeley) 6/28/93
+.\"
+.Dd "June 28, 1993"
+.Dt MK-AMD-MAP 8
+.Os BSD 4.4
+.Sh NAME
+.Nm mk-amd-map
+.Nd create database maps for Amd
+.Sh SYNOPSIS
+.Nm
+.Op Fl p
+.Ar mapname
+.Sh DESCRIPTION
+.Nm
+creates the database maps used by the keyed map lookups in
+.Xr amd 8 .
+It reads input from the named file
+and outputs them to a correspondingly named
+hashed database.
+.Pp
+The
+.Fl p
+option prints the map on standard output instead of generating
+a database.  This is usually used to merge continuation lines
+into one physical line.
+.Sh SEE ALSO
+.Xr amd 8
diff --git a/usr.sbin/amd/mk-amd-map/mk-amd-map.c b/usr.sbin/amd/mk-amd-map/mk-amd-map.c
new file mode 100644
index 0000000..c2dfb71
--- /dev/null
+++ b/usr.sbin/amd/mk-amd-map/mk-amd-map.c
@@ -0,0 +1,384 @@
+/*
+ * Copyright (c) 1990, 1993 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)mk-amd-map.c	8.1 (Berkeley) 6/28/93
+ *
+ * $Id: mk-amd-map.c,v 5.2.2.1 1992/02/09 15:09:18 jsp beta $
+ */
+
+/*
+ * Convert a file map into an ndbm map
+ */
+
+#ifndef lint
+char copyright[] = "\
+@(#)Copyright (c) 1990, 1993 Jan-Simon Pendry\n\
+@(#)Copyright (c) 1990 Imperial College of Science, Technology & Medicine\n\
+@(#)Copyright (c) 1990, 1993\n\
+	The Regents of the University of California.  All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+static char rcsid[] = "$Id: mk-amd-map.c,v 5.2.2.1 1992/02/09 15:09:18 jsp beta $";
+static char sccsid[] = "@(#)mk-amd-map.c	8.1 (Berkeley) 6/28/93";
+#endif /* not lint */
+
+#include "am.h"
+
+#ifndef SIGINT
+#include <signal.h>
+#endif
+
+#ifdef OS_HAS_NDBM
+#define HAS_DATABASE
+#include <ndbm.h>
+
+#ifdef DBM_SUFFIX
+#define USING_DB
+#endif
+
+#define create_database(name) dbm_open(name, O_RDWR|O_CREAT, 0644)
+
+static int store_data(db, k, v)
+voidp db;
+char *k, *v;
+{
+	datum key, val;
+
+	key.dptr = k; val.dptr = v;
+	key.dsize = strlen(k) + 1;
+	val.dsize = strlen(v) + 1;
+	return dbm_store((DBM *) db, key, val, DBM_INSERT);
+}
+
+#endif /* OS_HAS_NDBM */
+
+#ifdef HAS_DATABASE
+#include <fcntl.h>
+#include <ctype.h>
+
+static int read_line(buf, size, fp)
+char *buf;
+int size;
+FILE *fp;
+{
+	int done = 0;
+
+	do {
+		while (fgets(buf, size, fp)) {
+			int len = strlen(buf);
+			done += len;
+			if (len > 1 && buf[len-2] == '\\' &&
+					buf[len-1] == '\n') {
+				int ch;
+				buf += len - 2;
+				size -= len - 2;
+				*buf = '\n'; buf[1] = '\0';
+				/*
+				 * Skip leading white space on next line
+				 */
+				while ((ch = getc(fp)) != EOF &&
+					isascii(ch) && isspace(ch))
+						;
+				(void) ungetc(ch, fp);
+			} else {
+				return done;
+			}
+		}
+	} while (size > 0 && !feof(fp));
+
+	return done;
+}
+
+/*
+ * Read through a map
+ */
+static int read_file(fp, map, db)
+FILE *fp;
+char *map;
+voidp db;
+{
+	char key_val[2048];
+	int chuck = 0;
+	int line_no = 0;
+	int errs = 0;
+
+	while (read_line(key_val, sizeof(key_val), fp)) {
+		char *kp;
+		char *cp;
+		char *hash;
+		int len = strlen(key_val);
+		line_no++;
+
+		/*
+		 * Make sure we got the whole line
+		 */
+		if (key_val[len-1] != '\n') {
+			fprintf(stderr, "line %d in \"%s\" is too long", line_no, map);
+			chuck = 1;
+		} else {
+			key_val[len-1] = '\0';
+		}
+
+		/*
+		 * Strip comments
+		 */
+		hash = strchr(key_val, '#');
+		if (hash)
+			*hash = '\0';
+
+		/*
+		 * Find start of key
+		 */
+		for (kp = key_val; *kp && isascii(*kp) && isspace(*kp); kp++)
+			;
+
+		/*
+		 * Ignore blank lines
+		 */
+		if (!*kp)
+			goto again;
+
+		/*
+		 * Find end of key
+		 */
+		for (cp = kp; *cp&&(!isascii(*cp)||!isspace(*cp)); cp++)
+			;
+
+		/*
+		 * Check whether key matches, or whether
+		 * the entry is a wildcard entry.
+		 */
+		if (*cp)
+			*cp++ = '\0';
+		while (*cp && isascii(*cp) && isspace(*cp))
+			cp++;
+		if (*kp == '+') {
+			fprintf(stderr, "Can't interpolate %s\n", kp);
+			errs++;
+		} else if (*cp) {
+			if (db) {
+				if (store_data(db, kp, cp) < 0) {
+					fprintf(stderr, "Could store %s -> %s\n", kp, cp);
+					errs++;
+				}
+			} else {
+				printf("%s\t%s\n", kp, cp);
+			}
+		} else {
+			fprintf(stderr, "%s: line %d has no value field", map, line_no);
+			errs++;
+		}
+
+again:
+		/*
+		 * If the last read didn't get a whole line then
+		 * throw away the remainder before continuing...
+		 */
+		if (chuck) {
+			while (fgets(key_val, sizeof(key_val), fp) &&
+				!strchr(key_val, '\n'))
+					;
+			chuck = 0;
+		}
+	}
+	return errs;
+}
+
+static int remove_file(f)
+char *f;
+{
+	if (unlink(f) < 0 && errno != ENOENT)
+		return -1;
+	return 0;
+}
+
+main(argc, argv)
+int argc;
+char *argv[];
+{
+	FILE *mapf;
+	char *map;
+	int rc = 0;
+	DBM *mapd;
+	static char maptmp[] = "dbmXXXXXX";
+	char maptpag[16];
+	char *mappag;
+#ifndef USING_DB
+	char maptdir[16];
+	char *mapdir;
+#endif
+	int len;
+	char *sl;
+	int printit = 0;
+	int usage = 0;
+	int ch;
+	extern int optind;
+
+	while ((ch = getopt(argc, argv, "p")) != EOF)
+	switch (ch) {
+	case 'p':
+		printit = 1;
+		break;
+	default:
+		usage++;
+		break;
+	}
+
+	if (usage || optind != (argc - 1)) {
+		fputs("Usage: mk-amd-map [-p] file-map\n", stderr);
+		exit(1);
+	}
+
+	map = argv[optind];
+	sl = strrchr(map, '/');
+	if (sl) {
+		*sl = '\0';
+		if (chdir(map) < 0) {
+			fputs("Can't chdir to ", stderr);
+			perror(map);
+			exit(1);
+		}
+		map = sl + 1;
+	}
+
+	if (!printit) {
+		len = strlen(map);
+#ifdef USING_DB
+		mappag = (char *) malloc(len + 5);
+		if (!mappag) {
+			perror("mk-amd-map: malloc");
+			exit(1);
+		}
+		mktemp(maptmp);
+		sprintf(maptpag, "%s%s", maptmp, DBM_SUFFIX);
+		if (remove_file(maptpag) < 0) {
+			fprintf(stderr, "Can't remove existing temporary file");
+			perror(maptpag);
+			exit(1);
+		}
+#else
+		mappag = (char *) malloc(len + 5);
+		mapdir = (char *) malloc(len + 5);
+		if (!mappag || !mapdir) {
+			perror("mk-amd-map: malloc");
+			exit(1);
+		}
+		mktemp(maptmp);
+		sprintf(maptpag, "%s.pag", maptmp);
+		sprintf(maptdir, "%s.dir", maptmp);
+		if (remove_file(maptpag) < 0 || remove_file(maptdir) < 0) {
+			fprintf(stderr, "Can't remove existing temporary files; %s and", maptpag);
+			perror(maptdir);
+			exit(1);
+		}
+#endif
+	}
+
+	mapf =  fopen(map, "r");
+	if (mapf && !printit)
+		mapd = create_database(maptmp);
+	else
+		mapd = 0;
+
+#ifndef DEBUG
+	signal(SIGINT, SIG_IGN);
+#endif
+
+	if (mapd || printit) {
+		int error = read_file(mapf, map, mapd);
+		if (mapd)
+			dbm_close(mapd);
+		(void) fclose(mapf);
+		if (printit) {
+			if (error) {
+				fprintf(stderr, "Error creating ndbm map for %s\n", map);
+				rc = 1;
+			}
+		} else {
+			if (error) {
+				fprintf(stderr, "Error reading source file  %s\n", map);
+				rc = 1;
+			} else {
+#ifdef USING_DB
+				sprintf(mappag, "%s%s", map, DBM_SUFFIX);
+				if (rename(maptpag, mappag) < 0) {
+					fprintf(stderr, "Couldn't rename %s to ", maptpag);
+					perror(mappag);
+					/* Throw away the temporary map */
+					unlink(maptpag);
+					rc = 1;
+				}
+#else
+				sprintf(mappag, "%s.pag", map);
+				sprintf(mapdir, "%s.dir", map);
+				if (rename(maptpag, mappag) < 0) {
+					fprintf(stderr, "Couldn't rename %s to ", maptpag);
+					perror(mappag);
+					/* Throw away the temporary map */
+					unlink(maptpag);
+					unlink(maptdir);
+					rc = 1;
+				} else if (rename(maptdir, mapdir) < 0) {
+					fprintf(stderr, "Couldn't rename %s to ", maptdir);
+					perror(mapdir);
+					/* Put the .pag file back */
+					rename(mappag, maptpag);
+					/* Throw away remaining part of original map */
+					unlink(mapdir);
+					fprintf(stderr,
+						"WARNING: existing map \"%s.{dir,pag}\" destroyed\n",
+						map);
+					rc = 1;
+				}
+#endif
+			}
+		}
+	} else {
+		fprintf(stderr, "Can't open \"%s.{dir,pag}\" for ", map);
+		perror("writing");
+		rc = 1;
+	}
+	exit(rc);
+}
+#else
+main()
+{
+	fputs("mk-amd-map: This system does not support hashed database files\n", stderr);
+	exit(1);
+}
+#endif /* HAS_DATABASE */
diff --git a/usr.sbin/amd/rpcx/amq.h b/usr.sbin/amd/rpcx/amq.h
new file mode 100644
index 0000000..7ec4d55
--- /dev/null
+++ b/usr.sbin/amd/rpcx/amq.h
@@ -0,0 +1,153 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)amq.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: amq.h,v 5.2.2.1 1992/02/09 15:09:22 jsp beta $
+ *
+ */
+
+#define AMQ_STRLEN 1024
+
+typedef char *amq_string;
+bool_t xdr_amq_string();
+
+
+typedef long *time_type;
+bool_t xdr_time_type();
+
+
+struct amq_mount_tree {
+	amq_string mt_mountinfo;
+	amq_string mt_directory;
+	amq_string mt_mountpoint;
+	amq_string mt_type;
+	time_type mt_mounttime;
+	u_short mt_mountuid;
+	int mt_getattr;
+	int mt_lookup;
+	int mt_readdir;
+	int mt_readlink;
+	int mt_statfs;
+	struct amq_mount_tree *mt_next;
+	struct amq_mount_tree *mt_child;
+};
+typedef struct amq_mount_tree amq_mount_tree;
+bool_t xdr_amq_mount_tree();
+
+
+typedef amq_mount_tree *amq_mount_tree_p;
+bool_t xdr_amq_mount_tree_p();
+
+
+struct amq_mount_info {
+	amq_string mi_type;
+	amq_string mi_mountpt;
+	amq_string mi_mountinfo;
+	amq_string mi_fserver;
+	int mi_error;
+	int mi_refc;
+	int mi_up;
+};
+typedef struct amq_mount_info amq_mount_info;
+bool_t xdr_amq_mount_info();
+
+
+typedef struct {
+	u_int amq_mount_info_list_len;
+	amq_mount_info *amq_mount_info_list_val;
+} amq_mount_info_list;
+bool_t xdr_amq_mount_info_list();
+
+
+typedef struct {
+	u_int amq_mount_tree_list_len;
+	amq_mount_tree_p *amq_mount_tree_list_val;
+} amq_mount_tree_list;
+bool_t xdr_amq_mount_tree_list();
+
+
+struct amq_mount_stats {
+	int as_drops;
+	int as_stale;
+	int as_mok;
+	int as_merr;
+	int as_uerr;
+};
+typedef struct amq_mount_stats amq_mount_stats;
+bool_t xdr_amq_mount_stats();
+
+
+enum amq_opt {
+	AMOPT_DEBUG = 0,
+	AMOPT_LOGFILE = 1,
+	AMOPT_XLOG = 2,
+	AMOPT_FLUSHMAPC = 3
+};
+typedef enum amq_opt amq_opt;
+bool_t xdr_amq_opt();
+
+
+struct amq_setopt {
+	amq_opt as_opt;
+	amq_string as_str;
+};
+typedef struct amq_setopt amq_setopt;
+bool_t xdr_amq_setopt();
+
+
+#define AMQ_PROGRAM ((u_long)300019)
+#define AMQ_VERSION ((u_long)1)
+#define AMQPROC_NULL ((u_long)0)
+extern voidp amqproc_null_1();
+#define AMQPROC_MNTTREE ((u_long)1)
+extern amq_mount_tree_p *amqproc_mnttree_1();
+#define AMQPROC_UMNT ((u_long)2)
+extern voidp amqproc_umnt_1();
+#define AMQPROC_STATS ((u_long)3)
+extern amq_mount_stats *amqproc_stats_1();
+#define AMQPROC_EXPORT ((u_long)4)
+extern amq_mount_tree_list *amqproc_export_1();
+#define AMQPROC_SETOPT ((u_long)5)
+extern int *amqproc_setopt_1();
+#define AMQPROC_GETMNTFS ((u_long)6)
+extern amq_mount_info_list *amqproc_getmntfs_1();
+#define AMQPROC_MOUNT ((u_long)7)
+extern int *amqproc_mount_1();
+#define AMQPROC_GETVERS ((u_long)8)
+extern amq_string *amqproc_getvers_1();
+
diff --git a/usr.sbin/amd/rpcx/amq.x b/usr.sbin/amd/rpcx/amq.x
new file mode 100644
index 0000000..d75805d
--- /dev/null
+++ b/usr.sbin/amd/rpcx/amq.x
@@ -0,0 +1,185 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)amq.x	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: amq.x,v 5.2.2.1 1992/02/09 15:09:20 jsp beta $
+ *
+ */
+
+/*
+ * Protocol description used by the amq program
+ */
+
+const AMQ_STRLEN = 1024;	/* Maximum length of a pathname */
+
+/*
+ * The type dirpath is the pathname of a directory
+ */
+typedef string amq_string<AMQ_STRLEN>;
+
+/*
+ * The type time_type should correspond to the system time_t
+ */
+typedef long time_type;
+
+/*
+ * A tree of what is mounted
+ */
+struct amq_mount_tree {
+	amq_string	mt_mountinfo;	/* Mounted filesystem */
+	amq_string 	mt_directory;	/* Virtual mount */
+	amq_string 	mt_mountpoint;	/* Mount point */
+	amq_string	mt_type;	/* Filesystem type */
+	time_type	mt_mounttime;	/* Mount time */
+	u_short		mt_mountuid;	/* Mounter */
+	int		mt_getattr;	/* Count of getattrs */
+	int		mt_lookup;	/* Count of lookups */
+	int		mt_readdir;	/* Count of readdirs */
+	int		mt_readlink;	/* Count of readlinks */
+	int		mt_statfs;	/* Count of statfss */
+	amq_mount_tree	*mt_next;	/* Sibling mount tree */
+	amq_mount_tree	*mt_child;	/* Child mount tree */
+};
+typedef amq_mount_tree *amq_mount_tree_p;
+
+/*
+ * List of mounted filesystems
+ */
+struct amq_mount_info {
+	amq_string	mi_type;	/* Type of mount */
+	amq_string	mi_mountpt;	/* Mount point */
+	amq_string	mi_mountinfo;	/* Mount info */
+	amq_string	mi_fserver;	/* Fileserver */
+	int		mi_error;	/* Error code */
+	int		mi_refc;	/* References */
+	int		mi_up;		/* Filesystem available */
+};
+typedef amq_mount_info amq_mount_info_list<>;
+
+/*
+ * A list of mount trees
+ */
+typedef amq_mount_tree_p amq_mount_tree_list<>;
+
+/*
+ * System wide stats
+ */
+struct amq_mount_stats {
+	int	as_drops;	/* Dropped requests */
+	int	as_stale;	/* Stale NFS handles */
+	int	as_mok;		/* Succesful mounts */
+	int	as_merr;	/* Failed mounts */
+	int	as_uerr;	/* Failed unmounts */
+};
+
+enum amq_opt {
+	AMOPT_DEBUG=0,
+	AMOPT_LOGFILE=1,
+	AMOPT_XLOG=2,
+	AMOPT_FLUSHMAPC=3
+};
+
+struct amq_setopt {
+	amq_opt	as_opt;		/* Option */
+	amq_string as_str;	/* String */
+};
+
+program AMQ_PROGRAM {
+	version AMQ_VERSION {
+		/*
+		 * Does no work. It is made available in all RPC services
+		 * to allow server reponse testing and timing
+		 */
+		void
+		AMQPROC_NULL(void) = 0;
+
+		/*
+		 * Returned the mount tree descending from
+		 * the given directory.  The directory must
+		 * be a top-level mount point of the automounter.
+		 */
+		amq_mount_tree_p
+		AMQPROC_MNTTREE(amq_string) = 1;
+
+		/*
+		 * Force a timeout unmount on the specified directory.
+		 */
+		void
+		AMQPROC_UMNT(amq_string) = 2;
+
+		/*
+		 * Obtain system wide statistics from the automounter
+		 */
+		amq_mount_stats
+		AMQPROC_STATS(void) = 3;
+
+		/*
+		 * Obtain full tree
+		 */
+		amq_mount_tree_list
+		AMQPROC_EXPORT(void) = 4;
+
+		/*
+		 * Control debug options.
+		 * Return status:
+		 *	-1: debug not available
+		 *	 0: everything wonderful
+		 *	>0: number of options not recognised
+		 */
+		int
+		AMQPROC_SETOPT(amq_setopt) = 5;
+
+		/*
+		 * List of mounted filesystems
+		 */
+		amq_mount_info_list
+		AMQPROC_GETMNTFS(void) = 6;
+
+		/*
+		 * Mount a filesystem
+		 */
+		int
+		AMQPROC_MOUNT(amq_string) = 7;
+
+		/*
+		 * Get version info
+		 */
+		amq_string
+		AMQPROC_GETVERS(void) = 8;
+	} = 1;
+} = 300019;	/* Allocated by Sun, 89/8/29 */
diff --git a/usr.sbin/amd/rpcx/amq_clnt.c b/usr.sbin/amd/rpcx/amq_clnt.c
new file mode 100644
index 0000000..5b70d11
--- /dev/null
+++ b/usr.sbin/amd/rpcx/amq_clnt.c
@@ -0,0 +1,181 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)amq_clnt.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: amq_clnt.c,v 5.2.2.1 1992/02/09 15:09:24 jsp beta $
+ *
+ */
+
+#include "am.h"
+#include "amq.h"
+
+static struct timeval TIMEOUT = { ALLOWED_MOUNT_TIME, 0 };
+
+voidp
+amqproc_null_1(argp, clnt)
+	voidp argp;
+	CLIENT *clnt;
+{
+	static char res;
+
+	bzero((char *)&res, sizeof(res));
+	if (clnt_call(clnt, AMQPROC_NULL, xdr_void, argp, xdr_void, &res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return ((voidp)&res);
+}
+
+
+amq_mount_tree_p *
+amqproc_mnttree_1(argp, clnt)
+	amq_string *argp;
+	CLIENT *clnt;
+{
+	static amq_mount_tree_p res;
+
+	bzero((char *)&res, sizeof(res));
+	if (clnt_call(clnt, AMQPROC_MNTTREE, xdr_amq_string, argp, xdr_amq_mount_tree_p, &res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return (&res);
+}
+
+
+voidp
+amqproc_umnt_1(argp, clnt)
+	amq_string *argp;
+	CLIENT *clnt;
+{
+	static char res;
+
+	bzero((char *)&res, sizeof(res));
+	if (clnt_call(clnt, AMQPROC_UMNT, xdr_amq_string, argp, xdr_void, &res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return ((voidp)&res);
+}
+
+
+amq_mount_stats *
+amqproc_stats_1(argp, clnt)
+	voidp argp;
+	CLIENT *clnt;
+{
+	static amq_mount_stats res;
+
+	bzero((char *)&res, sizeof(res));
+	if (clnt_call(clnt, AMQPROC_STATS, xdr_void, argp, xdr_amq_mount_stats, &res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return (&res);
+}
+
+
+amq_mount_tree_list *
+amqproc_export_1(argp, clnt)
+	voidp argp;
+	CLIENT *clnt;
+{
+	static amq_mount_tree_list res;
+
+	bzero((char *)&res, sizeof(res));
+	if (clnt_call(clnt, AMQPROC_EXPORT, xdr_void, argp, xdr_amq_mount_tree_list, &res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return (&res);
+}
+
+int *
+amqproc_setopt_1(argp, clnt)
+	amq_setopt *argp;
+	CLIENT *clnt;
+{
+	static int res;
+
+	bzero((char *)&res, sizeof(res));
+	if (clnt_call(clnt, AMQPROC_SETOPT, xdr_amq_setopt, argp, xdr_int, &res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return (&res);
+}
+
+
+amq_mount_info_list *
+amqproc_getmntfs_1(argp, clnt)
+	voidp argp;
+	CLIENT *clnt;
+{
+	static amq_mount_info_list res;
+
+	bzero((char *)&res, sizeof(res));
+	if (clnt_call(clnt, AMQPROC_GETMNTFS, xdr_void, argp, xdr_amq_mount_info_list, &res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return (&res);
+}
+
+
+int *
+amqproc_mount_1(argp, clnt)
+	voidp argp;
+	CLIENT *clnt;
+{
+	static int res;
+
+	bzero((char *)&res, sizeof(res));
+	if (clnt_call(clnt, AMQPROC_MOUNT, xdr_amq_string, argp, xdr_int, &res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return (&res);
+}
+
+
+amq_string *
+amqproc_getvers_1(argp, clnt)
+	voidp argp;
+	CLIENT *clnt;
+{
+	static amq_string res;
+
+	bzero((char *)&res, sizeof(res));
+	if (clnt_call(clnt, AMQPROC_GETVERS, xdr_void, argp, xdr_amq_string, &res, TIMEOUT) != RPC_SUCCESS) {
+		return (NULL);
+	}
+	return (&res);
+}
+
diff --git a/usr.sbin/amd/rpcx/amq_svc.c b/usr.sbin/amd/rpcx/amq_svc.c
new file mode 100644
index 0000000..0d3599f
--- /dev/null
+++ b/usr.sbin/amd/rpcx/amq_svc.c
@@ -0,0 +1,136 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)amq_svc.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: amq_svc.c,v 5.2.2.1 1992/02/09 15:09:26 jsp beta $
+ *
+ */
+
+#include "am.h"
+#include "amq.h"
+extern bool_t xdr_amq_mount_info_qelem();
+
+void
+amq_program_1(rqstp, transp)
+	struct svc_req *rqstp;
+	SVCXPRT *transp;
+{
+	union {
+		amq_string amqproc_mnttree_1_arg;
+		amq_string amqproc_umnt_1_arg;
+		amq_setopt amqproc_setopt_1_arg;
+		amq_string amqproc_mount_1_arg;
+	} argument;
+	char *result;
+	bool_t (*xdr_argument)(), (*xdr_result)();
+	char *(*local)();
+
+	switch (rqstp->rq_proc) {
+	case AMQPROC_NULL:
+		xdr_argument = xdr_void;
+		xdr_result = xdr_void;
+		local = (char *(*)()) amqproc_null_1;
+		break;
+
+	case AMQPROC_MNTTREE:
+		xdr_argument = xdr_amq_string;
+		xdr_result = xdr_amq_mount_tree_p;
+		local = (char *(*)()) amqproc_mnttree_1;
+		break;
+
+	case AMQPROC_UMNT:
+		xdr_argument = xdr_amq_string;
+		xdr_result = xdr_void;
+		local = (char *(*)()) amqproc_umnt_1;
+		break;
+
+	case AMQPROC_STATS:
+		xdr_argument = xdr_void;
+		xdr_result = xdr_amq_mount_stats;
+		local = (char *(*)()) amqproc_stats_1;
+		break;
+
+	case AMQPROC_EXPORT:
+		xdr_argument = xdr_void;
+		xdr_result = xdr_amq_mount_tree_list;
+		local = (char *(*)()) amqproc_export_1;
+		break;
+
+	case AMQPROC_SETOPT:
+		xdr_argument = xdr_amq_setopt;
+		xdr_result = xdr_int;
+		local = (char *(*)()) amqproc_setopt_1;
+		break;
+
+	case AMQPROC_GETMNTFS:
+		xdr_argument = xdr_void;
+		xdr_result = xdr_amq_mount_info_qelem;
+		local = (char *(*)()) amqproc_getmntfs_1;
+		break;
+
+	case AMQPROC_MOUNT:
+		xdr_argument = xdr_amq_string;
+		xdr_result = xdr_int;
+		local = (char *(*)()) amqproc_mount_1;
+		break;
+
+	case AMQPROC_GETVERS:
+		xdr_argument = xdr_void;
+		xdr_result = xdr_amq_string;
+		local = (char *(*)()) amqproc_getvers_1;
+		break;
+
+	default:
+		svcerr_noproc(transp);
+		return;
+	}
+	bzero((char *)&argument, sizeof(argument));
+	if (!svc_getargs(transp, xdr_argument, &argument)) {
+		svcerr_decode(transp);
+		return;
+	}
+	result = (*local)(&argument, rqstp);
+	if (result != NULL && !svc_sendreply(transp, xdr_result, result)) {
+		svcerr_systemerr(transp);
+	}
+	if (!svc_freeargs(transp, xdr_argument, &argument)) {
+		plog(XLOG_FATAL, "unable to free rpc arguments in amqprog_1");
+		going_down(1);
+	}
+}
+
diff --git a/usr.sbin/amd/rpcx/amq_xdr.c b/usr.sbin/amd/rpcx/amq_xdr.c
new file mode 100644
index 0000000..8a123a7
--- /dev/null
+++ b/usr.sbin/amd/rpcx/amq_xdr.c
@@ -0,0 +1,251 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)amq_xdr.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: amq_xdr.c,v 5.2.2.1 1992/02/09 15:09:23 jsp beta $
+ *
+ */
+
+#include "am.h"
+#include "amq.h"
+
+
+bool_t
+xdr_amq_string(xdrs, objp)
+	XDR *xdrs;
+	amq_string *objp;
+{
+	if (!xdr_string(xdrs, objp, AMQ_STRLEN)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_time_type(xdrs, objp)
+	XDR *xdrs;
+	time_type *objp;
+{
+	if (!xdr_long(xdrs, objp)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_amq_mount_tree(xdrs, objp)
+	XDR *xdrs;
+	amq_mount_tree *objp;
+{
+	if (!xdr_amq_string(xdrs, &objp->mt_mountinfo)) {
+		return (FALSE);
+	}
+	if (!xdr_amq_string(xdrs, &objp->mt_directory)) {
+		return (FALSE);
+	}
+	if (!xdr_amq_string(xdrs, &objp->mt_mountpoint)) {
+		return (FALSE);
+	}
+	if (!xdr_amq_string(xdrs, &objp->mt_type)) {
+		return (FALSE);
+	}
+	if (!xdr_time_type(xdrs, &objp->mt_mounttime)) {
+		return (FALSE);
+	}
+	if (!xdr_u_short(xdrs, &objp->mt_mountuid)) {
+		return (FALSE);
+	}
+	if (!xdr_int(xdrs, &objp->mt_getattr)) {
+		return (FALSE);
+	}
+	if (!xdr_int(xdrs, &objp->mt_lookup)) {
+		return (FALSE);
+	}
+	if (!xdr_int(xdrs, &objp->mt_readdir)) {
+		return (FALSE);
+	}
+	if (!xdr_int(xdrs, &objp->mt_readlink)) {
+		return (FALSE);
+	}
+	if (!xdr_int(xdrs, &objp->mt_statfs)) {
+		return (FALSE);
+	}
+	if (!xdr_pointer(xdrs, (char **)&objp->mt_next, sizeof(amq_mount_tree), xdr_amq_mount_tree)) {
+		return (FALSE);
+	}
+	if (!xdr_pointer(xdrs, (char **)&objp->mt_child, sizeof(amq_mount_tree), xdr_amq_mount_tree)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_amq_mount_tree_p(xdrs, objp)
+	XDR *xdrs;
+	amq_mount_tree_p *objp;
+{
+	if (!xdr_pointer(xdrs, (char **)objp, sizeof(amq_mount_tree), xdr_amq_mount_tree)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+bool_t
+xdr_amq_mount_info(xdrs, objp)
+	XDR *xdrs;
+	amq_mount_info *objp;
+{
+	if (!xdr_amq_string(xdrs, &objp->mi_type)) {
+		return (FALSE);
+	}
+	if (!xdr_amq_string(xdrs, &objp->mi_mountpt)) {
+		return (FALSE);
+	}
+	if (!xdr_amq_string(xdrs, &objp->mi_mountinfo)) {
+		return (FALSE);
+	}
+	if (!xdr_amq_string(xdrs, &objp->mi_fserver)) {
+		return (FALSE);
+	}
+	if (!xdr_int(xdrs, &objp->mi_error)) {
+		return (FALSE);
+	}
+	if (!xdr_int(xdrs, &objp->mi_refc)) {
+		return (FALSE);
+	}
+	if (!xdr_int(xdrs, &objp->mi_up)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+bool_t
+xdr_amq_mount_info_list(xdrs, objp)
+	XDR *xdrs;
+	amq_mount_info_list *objp;
+{
+	if (!xdr_array(xdrs, (char **)&objp->amq_mount_info_list_val, (u_int *)&objp->amq_mount_info_list_len, ~0, sizeof(amq_mount_info), xdr_amq_mount_info)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+bool_t
+xdr_amq_mount_tree_list(xdrs, objp)
+	XDR *xdrs;
+	amq_mount_tree_list *objp;
+{
+	if (!xdr_array(xdrs, (char **)&objp->amq_mount_tree_list_val, (u_int *)&objp->amq_mount_tree_list_len, ~0, sizeof(amq_mount_tree_p), xdr_amq_mount_tree_p)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_amq_mount_stats(xdrs, objp)
+	XDR *xdrs;
+	amq_mount_stats *objp;
+{
+	if (!xdr_int(xdrs, &objp->as_drops)) {
+		return (FALSE);
+	}
+	if (!xdr_int(xdrs, &objp->as_stale)) {
+		return (FALSE);
+	}
+	if (!xdr_int(xdrs, &objp->as_mok)) {
+		return (FALSE);
+	}
+	if (!xdr_int(xdrs, &objp->as_merr)) {
+		return (FALSE);
+	}
+	if (!xdr_int(xdrs, &objp->as_uerr)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_amq_opt(xdrs, objp)
+	XDR *xdrs;
+	amq_opt *objp;
+{
+	if (!xdr_enum(xdrs, (enum_t *)objp)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_amq_setopt(xdrs, objp)
+	XDR *xdrs;
+	amq_setopt *objp;
+{
+	if (!xdr_amq_opt(xdrs, &objp->as_opt)) {
+		return (FALSE);
+	}
+	if (!xdr_amq_string(xdrs, &objp->as_str)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
diff --git a/usr.sbin/amd/rpcx/mount.h b/usr.sbin/amd/rpcx/mount.h
new file mode 100644
index 0000000..d30b0c3
--- /dev/null
+++ b/usr.sbin/amd/rpcx/mount.h
@@ -0,0 +1,124 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)mount.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: mount.h,v 5.2.2.1 1992/02/09 15:09:27 jsp beta $
+ *
+ */
+
+#define MNTPATHLEN 1024
+#define MNTNAMLEN 255
+#define FHSIZE 32
+
+typedef char fhandle[FHSIZE];
+bool_t xdr_fhandle();
+
+
+struct fhstatus {
+	u_int fhs_status;
+	union {
+		fhandle fhs_fhandle;
+	} fhstatus_u;
+};
+typedef struct fhstatus fhstatus;
+bool_t xdr_fhstatus();
+
+
+typedef char *dirpath;
+bool_t xdr_dirpath();
+
+
+typedef char *name;
+bool_t xdr_name();
+
+
+typedef struct mountbody *mountlist;
+bool_t xdr_mountlist();
+
+
+struct mountbody {
+	name ml_hostname;
+	dirpath ml_directory;
+	mountlist ml_next;
+};
+typedef struct mountbody mountbody;
+bool_t xdr_mountbody();
+
+
+typedef struct groupnode *groups;
+bool_t xdr_groups();
+
+
+struct groupnode {
+	name gr_name;
+	groups gr_next;
+};
+typedef struct groupnode groupnode;
+bool_t xdr_groupnode();
+
+
+typedef struct exportnode *exports;
+bool_t xdr_exports();
+
+
+struct exportnode {
+	dirpath ex_dir;
+	groups ex_groups;
+	exports ex_next;
+};
+typedef struct exportnode exportnode;
+bool_t xdr_exportnode();
+
+
+#define MOUNTPROG ((u_long)100005)
+#define MOUNTVERS ((u_long)1)
+#define MOUNTPROC_NULL ((u_long)0)
+extern voidp mountproc_null_1();
+#define MOUNTPROC_MNT ((u_long)1)
+extern fhstatus *mountproc_mnt_1();
+#define MOUNTPROC_DUMP ((u_long)2)
+extern mountlist *mountproc_dump_1();
+#define MOUNTPROC_UMNT ((u_long)3)
+extern voidp mountproc_umnt_1();
+#define MOUNTPROC_UMNTALL ((u_long)4)
+extern voidp mountproc_umntall_1();
+#define MOUNTPROC_EXPORT ((u_long)5)
+extern exports *mountproc_export_1();
+#define MOUNTPROC_EXPORTALL ((u_long)6)
+extern exports *mountproc_exportall_1();
+
diff --git a/usr.sbin/amd/rpcx/mount_xdr.c b/usr.sbin/amd/rpcx/mount_xdr.c
new file mode 100644
index 0000000..f8d8f57
--- /dev/null
+++ b/usr.sbin/amd/rpcx/mount_xdr.c
@@ -0,0 +1,206 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)mount_xdr.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: mount_xdr.c,v 5.2.2.1 1992/02/09 15:09:28 jsp beta $
+ *
+ */
+
+#include "am.h"
+#include "mount.h"
+
+
+bool_t
+xdr_fhandle(xdrs, objp)
+	XDR *xdrs;
+	fhandle objp;
+{
+	if (!xdr_opaque(xdrs, objp, FHSIZE)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_fhstatus(xdrs, objp)
+	XDR *xdrs;
+	fhstatus *objp;
+{
+	if (!xdr_u_int(xdrs, &objp->fhs_status)) {
+		return (FALSE);
+	}
+	switch (objp->fhs_status) {
+	case 0:
+		if (!xdr_fhandle(xdrs, objp->fhstatus_u.fhs_fhandle)) {
+			return (FALSE);
+		}
+		break;
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_dirpath(xdrs, objp)
+	XDR *xdrs;
+	dirpath *objp;
+{
+	if (!xdr_string(xdrs, objp, MNTPATHLEN)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_name(xdrs, objp)
+	XDR *xdrs;
+	name *objp;
+{
+	if (!xdr_string(xdrs, objp, MNTNAMLEN)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_mountlist(xdrs, objp)
+	XDR *xdrs;
+	mountlist *objp;
+{
+	if (!xdr_pointer(xdrs, (char **)objp, sizeof(struct mountbody), xdr_mountbody)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+bool_t
+xdr_mountbody(xdrs, objp)
+	XDR *xdrs;
+	mountbody *objp;
+{
+	if (!xdr_name(xdrs, &objp->ml_hostname)) {
+		return (FALSE);
+	}
+	if (!xdr_dirpath(xdrs, &objp->ml_directory)) {
+		return (FALSE);
+	}
+	if (!xdr_mountlist(xdrs, &objp->ml_next)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_groups(xdrs, objp)
+	XDR *xdrs;
+	groups *objp;
+{
+	if (!xdr_pointer(xdrs, (char **)objp, sizeof(struct groupnode), xdr_groupnode)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_groupnode(xdrs, objp)
+	XDR *xdrs;
+	groupnode *objp;
+{
+	if (!xdr_name(xdrs, &objp->gr_name)) {
+		return (FALSE);
+	}
+	if (!xdr_groups(xdrs, &objp->gr_next)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_exports(xdrs, objp)
+	XDR *xdrs;
+	exports *objp;
+{
+	if (!xdr_pointer(xdrs, (char **)objp, sizeof(struct exportnode), xdr_exportnode)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_exportnode(xdrs, objp)
+	XDR *xdrs;
+	exportnode *objp;
+{
+	if (!xdr_dirpath(xdrs, &objp->ex_dir)) {
+		return (FALSE);
+	}
+	if (!xdr_groups(xdrs, &objp->ex_groups)) {
+		return (FALSE);
+	}
+	if (!xdr_exports(xdrs, &objp->ex_next)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
diff --git a/usr.sbin/amd/rpcx/nfs_prot.h b/usr.sbin/amd/rpcx/nfs_prot.h
new file mode 100644
index 0000000..62a75f7
--- /dev/null
+++ b/usr.sbin/amd/rpcx/nfs_prot.h
@@ -0,0 +1,389 @@
+/*
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)nfs_prot.h	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: nfs_prot.h,v 5.2.2.1 1992/02/09 15:09:29 jsp beta $
+ *
+ */
+
+#define	xdr_nfsstat xdr_enum
+#define	xdr_ftype xdr_enum
+
+#define NFS_PORT 2049
+#define NFS_MAXDATA 8192
+#define NFS_MAXPATHLEN 1024
+#define NFS_MAXNAMLEN 255
+#define NFS_FHSIZE 32
+#define NFS_COOKIESIZE 4
+#define NFS_FIFO_DEV -1
+#define NFSMODE_FMT 0170000
+#define NFSMODE_DIR 0040000
+#define NFSMODE_CHR 0020000
+#define NFSMODE_BLK 0060000
+#define NFSMODE_REG 0100000
+#define NFSMODE_LNK 0120000
+#define NFSMODE_SOCK 0140000
+#define NFSMODE_FIFO 0010000
+
+enum nfsstat {
+	NFS_OK = 0,
+	NFSERR_PERM = 1,
+	NFSERR_NOENT = 2,
+	NFSERR_IO = 5,
+	NFSERR_NXIO = 6,
+	NFSERR_ACCES = 13,
+	NFSERR_EXIST = 17,
+	NFSERR_NODEV = 19,
+	NFSERR_NOTDIR = 20,
+	NFSERR_ISDIR = 21,
+	NFSERR_FBIG = 27,
+	NFSERR_NOSPC = 28,
+	NFSERR_ROFS = 30,
+	NFSERR_NAMETOOLONG = 63,
+	NFSERR_NOTEMPTY = 66,
+	NFSERR_DQUOT = 69,
+	NFSERR_STALE = 70,
+	NFSERR_WFLUSH = 99
+};
+typedef enum nfsstat nfsstat;
+bool_t xdr_nfsstat();
+
+
+enum ftype {
+	NFNON = 0,
+	NFREG = 1,
+	NFDIR = 2,
+	NFBLK = 3,
+	NFCHR = 4,
+	NFLNK = 5,
+	NFSOCK = 6,
+	NFBAD = 7,
+	NFFIFO = 8
+};
+typedef enum ftype ftype;
+/* static bool_t xdr_ftype(); */
+
+
+struct nfs_fh {
+	char data[NFS_FHSIZE];
+};
+typedef struct nfs_fh nfs_fh;
+bool_t xdr_nfs_fh();
+
+
+struct nfstime {
+	u_int seconds;
+	u_int useconds;
+};
+typedef struct nfstime nfstime;
+/* static bool_t xdr_nfstime(); */
+
+
+struct fattr {
+	ftype type;
+	u_int mode;
+	u_int nlink;
+	u_int uid;
+	u_int gid;
+	u_int size;
+	u_int blocksize;
+	u_int rdev;
+	u_int blocks;
+	u_int fsid;
+	u_int fileid;
+	nfstime atime;
+	nfstime mtime;
+	nfstime ctime;
+};
+typedef struct fattr fattr;
+/* static bool_t xdr_fattr(); */
+
+
+struct sattr {
+	u_int mode;
+	u_int uid;
+	u_int gid;
+	u_int size;
+	nfstime atime;
+	nfstime mtime;
+};
+typedef struct sattr sattr;
+/* static bool_t xdr_sattr(); */
+
+
+typedef char *filename;
+/* static bool_t xdr_filename(); */
+
+
+typedef char *nfspath;
+bool_t xdr_nfspath();
+
+
+struct attrstat {
+	nfsstat status;
+	union {
+		fattr attributes;
+	} attrstat_u;
+};
+typedef struct attrstat attrstat;
+bool_t xdr_attrstat();
+
+
+struct sattrargs {
+	nfs_fh file;
+	sattr attributes;
+};
+typedef struct sattrargs sattrargs;
+bool_t xdr_sattrargs();
+
+
+struct diropargs {
+	nfs_fh dir;
+	filename name;
+};
+typedef struct diropargs diropargs;
+bool_t xdr_diropargs();
+
+
+struct diropokres {
+	nfs_fh file;
+	fattr attributes;
+};
+typedef struct diropokres diropokres;
+bool_t xdr_diropokres();
+
+
+struct diropres {
+	nfsstat status;
+	union {
+		diropokres diropres;
+	} diropres_u;
+};
+typedef struct diropres diropres;
+bool_t xdr_diropres();
+
+
+struct readlinkres {
+	nfsstat status;
+	union {
+		nfspath data;
+	} readlinkres_u;
+};
+typedef struct readlinkres readlinkres;
+bool_t xdr_readlinkres();
+
+
+struct readargs {
+	nfs_fh file;
+	u_int offset;
+	u_int count;
+	u_int totalcount;
+};
+typedef struct readargs readargs;
+bool_t xdr_readargs();
+
+
+struct readokres {
+	fattr attributes;
+	struct {
+		u_int data_len;
+		char *data_val;
+	} data;
+};
+typedef struct readokres readokres;
+bool_t xdr_readokres();
+
+
+struct readres {
+	nfsstat status;
+	union {
+		readokres reply;
+	} readres_u;
+};
+typedef struct readres readres;
+bool_t xdr_readres();
+
+
+struct writeargs {
+	nfs_fh file;
+	u_int beginoffset;
+	u_int offset;
+	u_int totalcount;
+	struct {
+		u_int data_len;
+		char *data_val;
+	} data;
+};
+typedef struct writeargs writeargs;
+bool_t xdr_writeargs();
+
+
+struct createargs {
+	diropargs where;
+	sattr attributes;
+};
+typedef struct createargs createargs;
+bool_t xdr_createargs();
+
+
+struct renameargs {
+	diropargs from;
+	diropargs to;
+};
+typedef struct renameargs renameargs;
+bool_t xdr_renameargs();
+
+
+struct linkargs {
+	nfs_fh from;
+	diropargs to;
+};
+typedef struct linkargs linkargs;
+bool_t xdr_linkargs();
+
+
+struct symlinkargs {
+	diropargs from;
+	nfspath to;
+	sattr attributes;
+};
+typedef struct symlinkargs symlinkargs;
+bool_t xdr_symlinkargs();
+
+
+typedef char nfscookie[NFS_COOKIESIZE];
+/* static bool_t xdr_nfscookie(); */
+
+
+struct readdirargs {
+	nfs_fh dir;
+	nfscookie cookie;
+	u_int count;
+};
+typedef struct readdirargs readdirargs;
+bool_t xdr_readdirargs();
+
+
+struct entry {
+	u_int fileid;
+	filename name;
+	nfscookie cookie;
+	struct entry *nextentry;
+};
+typedef struct entry entry;
+/* static bool_t xdr_entry(); */
+
+
+struct dirlist {
+	entry *entries;
+	bool_t eof;
+};
+typedef struct dirlist dirlist;
+/* static bool_t xdr_dirlist(); */
+
+
+struct readdirres {
+	nfsstat status;
+	union {
+		dirlist reply;
+	} readdirres_u;
+};
+typedef struct readdirres readdirres;
+bool_t xdr_readdirres();
+
+
+struct statfsokres {
+	u_int tsize;
+	u_int bsize;
+	u_int blocks;
+	u_int bfree;
+	u_int bavail;
+};
+typedef struct statfsokres statfsokres;
+bool_t xdr_statfsokres();
+
+
+struct statfsres {
+	nfsstat status;
+	union {
+		statfsokres reply;
+	} statfsres_u;
+};
+typedef struct statfsres statfsres;
+bool_t xdr_statfsres();
+
+
+#define NFS_PROGRAM ((u_long)100003)
+#define NFS_VERSION ((u_long)2)
+#define NFSPROC_NULL ((u_long)0)
+extern voidp nfsproc_null_2();
+#define NFSPROC_GETATTR ((u_long)1)
+extern attrstat *nfsproc_getattr_2();
+#define NFSPROC_SETATTR ((u_long)2)
+extern attrstat *nfsproc_setattr_2();
+#define NFSPROC_ROOT ((u_long)3)
+extern voidp nfsproc_root_2();
+#define NFSPROC_LOOKUP ((u_long)4)
+extern diropres *nfsproc_lookup_2();
+#define NFSPROC_READLINK ((u_long)5)
+extern readlinkres *nfsproc_readlink_2();
+#define NFSPROC_READ ((u_long)6)
+extern readres *nfsproc_read_2();
+#define NFSPROC_WRITECACHE ((u_long)7)
+extern voidp nfsproc_writecache_2();
+#define NFSPROC_WRITE ((u_long)8)
+extern attrstat *nfsproc_write_2();
+#define NFSPROC_CREATE ((u_long)9)
+extern diropres *nfsproc_create_2();
+#define NFSPROC_REMOVE ((u_long)10)
+extern nfsstat *nfsproc_remove_2();
+#define NFSPROC_RENAME ((u_long)11)
+extern nfsstat *nfsproc_rename_2();
+#define NFSPROC_LINK ((u_long)12)
+extern nfsstat *nfsproc_link_2();
+#define NFSPROC_SYMLINK ((u_long)13)
+extern nfsstat *nfsproc_symlink_2();
+#define NFSPROC_MKDIR ((u_long)14)
+extern diropres *nfsproc_mkdir_2();
+#define NFSPROC_RMDIR ((u_long)15)
+extern nfsstat *nfsproc_rmdir_2();
+#define NFSPROC_READDIR ((u_long)16)
+extern readdirres *nfsproc_readdir_2();
+#define NFSPROC_STATFS ((u_long)17)
+extern statfsres *nfsproc_statfs_2();
+
diff --git a/usr.sbin/amd/rpcx/nfs_prot_svc.c b/usr.sbin/amd/rpcx/nfs_prot_svc.c
new file mode 100644
index 0000000..21e47e3
--- /dev/null
+++ b/usr.sbin/amd/rpcx/nfs_prot_svc.c
@@ -0,0 +1,198 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)nfs_prot_svc.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: nfs_prot_svc.c,v 5.2.2.1 1992/02/09 15:09:30 jsp beta $
+ *
+ */
+
+#include "am.h"
+
+void nfs_program_2(rqstp, transp)
+struct svc_req *rqstp;
+SVCXPRT *transp;
+{
+	union {
+		nfs_fh nfsproc_getattr_2_arg;
+		sattrargs nfsproc_setattr_2_arg;
+		diropargs nfsproc_lookup_2_arg;
+		nfs_fh nfsproc_readlink_2_arg;
+		readargs nfsproc_read_2_arg;
+		writeargs nfsproc_write_2_arg;
+		createargs nfsproc_create_2_arg;
+		diropargs nfsproc_remove_2_arg;
+		renameargs nfsproc_rename_2_arg;
+		linkargs nfsproc_link_2_arg;
+		symlinkargs nfsproc_symlink_2_arg;
+		createargs nfsproc_mkdir_2_arg;
+		diropargs nfsproc_rmdir_2_arg;
+		readdirargs nfsproc_readdir_2_arg;
+		nfs_fh nfsproc_statfs_2_arg;
+	} argument;
+	char *result;
+	bool_t (*xdr_argument)(), (*xdr_result)();
+	char *(*local)();
+
+	switch (rqstp->rq_proc) {
+	case NFSPROC_NULL:
+		xdr_argument = xdr_void;
+		xdr_result = xdr_void;
+		local = (char *(*)()) nfsproc_null_2;
+		break;
+
+	case NFSPROC_GETATTR:
+		xdr_argument = xdr_nfs_fh;
+		xdr_result = xdr_attrstat;
+		local = (char *(*)()) nfsproc_getattr_2;
+		break;
+
+	case NFSPROC_SETATTR:
+		xdr_argument = xdr_sattrargs;
+		xdr_result = xdr_attrstat;
+		local = (char *(*)()) nfsproc_setattr_2;
+		break;
+
+	case NFSPROC_ROOT:
+		xdr_argument = xdr_void;
+		xdr_result = xdr_void;
+		local = (char *(*)()) nfsproc_root_2;
+		break;
+
+	case NFSPROC_LOOKUP:
+		xdr_argument = xdr_diropargs;
+		xdr_result = xdr_diropres;
+		local = (char *(*)()) nfsproc_lookup_2;
+		break;
+
+	case NFSPROC_READLINK:
+		xdr_argument = xdr_nfs_fh;
+		xdr_result = xdr_readlinkres;
+		local = (char *(*)()) nfsproc_readlink_2;
+		break;
+
+	case NFSPROC_READ:
+		xdr_argument = xdr_readargs;
+		xdr_result = xdr_readres;
+		local = (char *(*)()) nfsproc_read_2;
+		break;
+
+	case NFSPROC_WRITECACHE:
+		xdr_argument = xdr_void;
+		xdr_result = xdr_void;
+		local = (char *(*)()) nfsproc_writecache_2;
+		break;
+
+	case NFSPROC_WRITE:
+		xdr_argument = xdr_writeargs;
+		xdr_result = xdr_attrstat;
+		local = (char *(*)()) nfsproc_write_2;
+		break;
+
+	case NFSPROC_CREATE:
+		xdr_argument = xdr_createargs;
+		xdr_result = xdr_diropres;
+		local = (char *(*)()) nfsproc_create_2;
+		break;
+
+	case NFSPROC_REMOVE:
+		xdr_argument = xdr_diropargs;
+		xdr_result = xdr_nfsstat;
+		local = (char *(*)()) nfsproc_remove_2;
+		break;
+
+	case NFSPROC_RENAME:
+		xdr_argument = xdr_renameargs;
+		xdr_result = xdr_nfsstat;
+		local = (char *(*)()) nfsproc_rename_2;
+		break;
+
+	case NFSPROC_LINK:
+		xdr_argument = xdr_linkargs;
+		xdr_result = xdr_nfsstat;
+		local = (char *(*)()) nfsproc_link_2;
+		break;
+
+	case NFSPROC_SYMLINK:
+		xdr_argument = xdr_symlinkargs;
+		xdr_result = xdr_nfsstat;
+		local = (char *(*)()) nfsproc_symlink_2;
+		break;
+
+	case NFSPROC_MKDIR:
+		xdr_argument = xdr_createargs;
+		xdr_result = xdr_diropres;
+		local = (char *(*)()) nfsproc_mkdir_2;
+		break;
+
+	case NFSPROC_RMDIR:
+		xdr_argument = xdr_diropargs;
+		xdr_result = xdr_nfsstat;
+		local = (char *(*)()) nfsproc_rmdir_2;
+		break;
+
+	case NFSPROC_READDIR:
+		xdr_argument = xdr_readdirargs;
+		xdr_result = xdr_readdirres;
+		local = (char *(*)()) nfsproc_readdir_2;
+		break;
+
+	case NFSPROC_STATFS:
+		xdr_argument = xdr_nfs_fh;
+		xdr_result = xdr_statfsres;
+		local = (char *(*)()) nfsproc_statfs_2;
+		break;
+
+	default:
+		svcerr_noproc(transp);
+		return;
+	}
+	bzero((char *)&argument, sizeof(argument));
+	if (!svc_getargs(transp, xdr_argument, &argument)) {
+		svcerr_decode(transp);
+		return;
+	}
+	result = (*local)(&argument, rqstp);
+	if (result != NULL && !svc_sendreply(transp, xdr_result, result)) {
+		svcerr_systemerr(transp);
+	}
+	if (!svc_freeargs(transp, xdr_argument, &argument)) {
+		plog(XLOG_FATAL, "unable to free rpc arguments in nfs_program_1");
+		going_down(1);
+	}
+}
+
diff --git a/usr.sbin/amd/rpcx/nfs_prot_xdr.c b/usr.sbin/amd/rpcx/nfs_prot_xdr.c
new file mode 100644
index 0000000..1786d01
--- /dev/null
+++ b/usr.sbin/amd/rpcx/nfs_prot_xdr.c
@@ -0,0 +1,627 @@
+/*
+ * Copyright (c) 1989 Jan-Simon Pendry
+ * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)nfs_prot_xdr.c	8.1 (Berkeley) 6/6/93
+ *
+ * $Id: nfs_prot_xdr.c,v 5.2.2.1 1992/02/09 15:09:32 jsp beta $
+ *
+ */
+
+#include "am.h"
+
+
+#ifndef xdr_nfsstat
+bool_t
+xdr_nfsstat(xdrs, objp)
+	XDR *xdrs;
+	nfsstat *objp;
+{
+	if (!xdr_enum(xdrs, (enum_t *)objp)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+#endif /* xdr_nfsstat */
+
+
+
+#ifndef xdr_ftype
+static bool_t
+xdr_ftype(xdrs, objp)
+	XDR *xdrs;
+	ftype *objp;
+{
+	if (!xdr_enum(xdrs, (enum_t *)objp)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+#endif /* xdr_ftype */
+
+
+
+bool_t
+xdr_nfs_fh(xdrs, objp)
+	XDR *xdrs;
+	nfs_fh *objp;
+{
+	if (!xdr_opaque(xdrs, objp->data, NFS_FHSIZE)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+static bool_t
+xdr_nfstime(xdrs, objp)
+	XDR *xdrs;
+	nfstime *objp;
+{
+	if (!xdr_u_int(xdrs, &objp->seconds)) {
+		return (FALSE);
+	}
+	if (!xdr_u_int(xdrs, &objp->useconds)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+static bool_t
+xdr_fattr(xdrs, objp)
+	XDR *xdrs;
+	fattr *objp;
+{
+	if (!xdr_ftype(xdrs, &objp->type)) {
+		return (FALSE);
+	}
+	if (!xdr_u_int(xdrs, &objp->mode)) {
+		return (FALSE);
+	}
+	if (!xdr_u_int(xdrs, &objp->nlink)) {
+		return (FALSE);
+	}
+	if (!xdr_u_int(xdrs, &objp->uid)) {
+		return (FALSE);
+	}
+	if (!xdr_u_int(xdrs, &objp->gid)) {
+		return (FALSE);
+	}
+	if (!xdr_u_int(xdrs, &objp->size)) {
+		return (FALSE);
+	}
+	if (!xdr_u_int(xdrs, &objp->blocksize)) {
+		return (FALSE);
+	}
+	if (!xdr_u_int(xdrs, &objp->rdev)) {
+		return (FALSE);
+	}
+	if (!xdr_u_int(xdrs, &objp->blocks)) {
+		return (FALSE);
+	}
+	if (!xdr_u_int(xdrs, &objp->fsid)) {
+		return (FALSE);
+	}
+	if (!xdr_u_int(xdrs, &objp->fileid)) {
+		return (FALSE);
+	}
+	if (!xdr_nfstime(xdrs, &objp->atime)) {
+		return (FALSE);
+	}
+	if (!xdr_nfstime(xdrs, &objp->mtime)) {
+		return (FALSE);
+	}
+	if (!xdr_nfstime(xdrs, &objp->ctime)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+static bool_t
+xdr_sattr(xdrs, objp)
+	XDR *xdrs;
+	sattr *objp;
+{
+	if (!xdr_u_int(xdrs, &objp->mode)) {
+		return (FALSE);
+	}
+	if (!xdr_u_int(xdrs, &objp->uid)) {
+		return (FALSE);
+	}
+	if (!xdr_u_int(xdrs, &objp->gid)) {
+		return (FALSE);
+	}
+	if (!xdr_u_int(xdrs, &objp->size)) {
+		return (FALSE);
+	}
+	if (!xdr_nfstime(xdrs, &objp->atime)) {
+		return (FALSE);
+	}
+	if (!xdr_nfstime(xdrs, &objp->mtime)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+static bool_t
+xdr_filename(xdrs, objp)
+	XDR *xdrs;
+	filename *objp;
+{
+	if (!xdr_string(xdrs, objp, NFS_MAXNAMLEN)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_nfspath(xdrs, objp)
+	XDR *xdrs;
+	nfspath *objp;
+{
+	if (!xdr_string(xdrs, objp, NFS_MAXPATHLEN)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_attrstat(xdrs, objp)
+	XDR *xdrs;
+	attrstat *objp;
+{
+	if (!xdr_nfsstat(xdrs, &objp->status)) {
+		return (FALSE);
+	}
+	switch (objp->status) {
+	case NFS_OK:
+		if (!xdr_fattr(xdrs, &objp->attrstat_u.attributes)) {
+			return (FALSE);
+		}
+		break;
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_sattrargs(xdrs, objp)
+	XDR *xdrs;
+	sattrargs *objp;
+{
+	if (!xdr_nfs_fh(xdrs, &objp->file)) {
+		return (FALSE);
+	}
+	if (!xdr_sattr(xdrs, &objp->attributes)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_diropargs(xdrs, objp)
+	XDR *xdrs;
+	diropargs *objp;
+{
+	if (!xdr_nfs_fh(xdrs, &objp->dir)) {
+		return (FALSE);
+	}
+	if (!xdr_filename(xdrs, &objp->name)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_diropokres(xdrs, objp)
+	XDR *xdrs;
+	diropokres *objp;
+{
+	if (!xdr_nfs_fh(xdrs, &objp->file)) {
+		return (FALSE);
+	}
+	if (!xdr_fattr(xdrs, &objp->attributes)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_diropres(xdrs, objp)
+	XDR *xdrs;
+	diropres *objp;
+{
+	if (!xdr_nfsstat(xdrs, &objp->status)) {
+		return (FALSE);
+	}
+	switch (objp->status) {
+	case NFS_OK:
+		if (!xdr_diropokres(xdrs, &objp->diropres_u.diropres)) {
+			return (FALSE);
+		}
+		break;
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_readlinkres(xdrs, objp)
+	XDR *xdrs;
+	readlinkres *objp;
+{
+	if (!xdr_nfsstat(xdrs, &objp->status)) {
+		return (FALSE);
+	}
+	switch (objp->status) {
+	case NFS_OK:
+		if (!xdr_nfspath(xdrs, &objp->readlinkres_u.data)) {
+			return (FALSE);
+		}
+		break;
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_readargs(xdrs, objp)
+	XDR *xdrs;
+	readargs *objp;
+{
+	if (!xdr_nfs_fh(xdrs, &objp->file)) {
+		return (FALSE);
+	}
+	if (!xdr_u_int(xdrs, &objp->offset)) {
+		return (FALSE);
+	}
+	if (!xdr_u_int(xdrs, &objp->count)) {
+		return (FALSE);
+	}
+	if (!xdr_u_int(xdrs, &objp->totalcount)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_readokres(xdrs, objp)
+	XDR *xdrs;
+	readokres *objp;
+{
+	if (!xdr_fattr(xdrs, &objp->attributes)) {
+		return (FALSE);
+	}
+	if (!xdr_bytes(xdrs, (char **)&objp->data.data_val, (u_int *)&objp->data.data_len, NFS_MAXDATA)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_readres(xdrs, objp)
+	XDR *xdrs;
+	readres *objp;
+{
+	if (!xdr_nfsstat(xdrs, &objp->status)) {
+		return (FALSE);
+	}
+	switch (objp->status) {
+	case NFS_OK:
+		if (!xdr_readokres(xdrs, &objp->readres_u.reply)) {
+			return (FALSE);
+		}
+		break;
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_writeargs(xdrs, objp)
+	XDR *xdrs;
+	writeargs *objp;
+{
+	if (!xdr_nfs_fh(xdrs, &objp->file)) {
+		return (FALSE);
+	}
+	if (!xdr_u_int(xdrs, &objp->beginoffset)) {
+		return (FALSE);
+	}
+	if (!xdr_u_int(xdrs, &objp->offset)) {
+		return (FALSE);
+	}
+	if (!xdr_u_int(xdrs, &objp->totalcount)) {
+		return (FALSE);
+	}
+	if (!xdr_bytes(xdrs, (char **)&objp->data.data_val, (u_int *)&objp->data.data_len, NFS_MAXDATA)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_createargs(xdrs, objp)
+	XDR *xdrs;
+	createargs *objp;
+{
+	if (!xdr_diropargs(xdrs, &objp->where)) {
+		return (FALSE);
+	}
+	if (!xdr_sattr(xdrs, &objp->attributes)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_renameargs(xdrs, objp)
+	XDR *xdrs;
+	renameargs *objp;
+{
+	if (!xdr_diropargs(xdrs, &objp->from)) {
+		return (FALSE);
+	}
+	if (!xdr_diropargs(xdrs, &objp->to)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_linkargs(xdrs, objp)
+	XDR *xdrs;
+	linkargs *objp;
+{
+	if (!xdr_nfs_fh(xdrs, &objp->from)) {
+		return (FALSE);
+	}
+	if (!xdr_diropargs(xdrs, &objp->to)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_symlinkargs(xdrs, objp)
+	XDR *xdrs;
+	symlinkargs *objp;
+{
+	if (!xdr_diropargs(xdrs, &objp->from)) {
+		return (FALSE);
+	}
+	if (!xdr_nfspath(xdrs, &objp->to)) {
+		return (FALSE);
+	}
+	if (!xdr_sattr(xdrs, &objp->attributes)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+static bool_t
+xdr_nfscookie(xdrs, objp)
+	XDR *xdrs;
+	nfscookie objp;
+{
+	if (!xdr_opaque(xdrs, objp, NFS_COOKIESIZE)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_readdirargs(xdrs, objp)
+	XDR *xdrs;
+	readdirargs *objp;
+{
+	if (!xdr_nfs_fh(xdrs, &objp->dir)) {
+		return (FALSE);
+	}
+	if (!xdr_nfscookie(xdrs, objp->cookie)) {
+		return (FALSE);
+	}
+	if (!xdr_u_int(xdrs, &objp->count)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+static bool_t
+xdr_entry(xdrs, objp)
+	XDR *xdrs;
+	entry *objp;
+{
+	if (!xdr_u_int(xdrs, &objp->fileid)) {
+		return (FALSE);
+	}
+	if (!xdr_filename(xdrs, &objp->name)) {
+		return (FALSE);
+	}
+	if (!xdr_nfscookie(xdrs, objp->cookie)) {
+		return (FALSE);
+	}
+	if (!xdr_pointer(xdrs, (char **)&objp->nextentry, sizeof(entry), xdr_entry)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+static bool_t
+xdr_dirlist(xdrs, objp)
+	XDR *xdrs;
+	dirlist *objp;
+{
+	if (!xdr_pointer(xdrs, (char **)&objp->entries, sizeof(entry), xdr_entry)) {
+		return (FALSE);
+	}
+	if (!xdr_bool(xdrs, &objp->eof)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_readdirres(xdrs, objp)
+	XDR *xdrs;
+	readdirres *objp;
+{
+	if (!xdr_nfsstat(xdrs, &objp->status)) {
+		return (FALSE);
+	}
+	switch (objp->status) {
+	case NFS_OK:
+		if (!xdr_dirlist(xdrs, &objp->readdirres_u.reply)) {
+			return (FALSE);
+		}
+		break;
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_statfsokres(xdrs, objp)
+	XDR *xdrs;
+	statfsokres *objp;
+{
+	if (!xdr_u_int(xdrs, &objp->tsize)) {
+		return (FALSE);
+	}
+	if (!xdr_u_int(xdrs, &objp->bsize)) {
+		return (FALSE);
+	}
+	if (!xdr_u_int(xdrs, &objp->blocks)) {
+		return (FALSE);
+	}
+	if (!xdr_u_int(xdrs, &objp->bfree)) {
+		return (FALSE);
+	}
+	if (!xdr_u_int(xdrs, &objp->bavail)) {
+		return (FALSE);
+	}
+	return (TRUE);
+}
+
+
+
+
+bool_t
+xdr_statfsres(xdrs, objp)
+	XDR *xdrs;
+	statfsres *objp;
+{
+	if (!xdr_nfsstat(xdrs, &objp->status)) {
+		return (FALSE);
+	}
+	switch (objp->status) {
+	case NFS_OK:
+		if (!xdr_statfsokres(xdrs, &objp->statfsres_u.reply)) {
+			return (FALSE);
+		}
+		break;
+	}
+	return (TRUE);
+}
diff --git a/usr.sbin/amd/text/COPYRIGHT b/usr.sbin/amd/text/COPYRIGHT
new file mode 100644
index 0000000..f2e96a6
--- /dev/null
+++ b/usr.sbin/amd/text/COPYRIGHT
@@ -0,0 +1,3 @@
+Copyright (c) 1990 Jan-Simon Pendry
+Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+Copyright (c) 1990, 1993 The Regents of the University of California.
diff --git a/usr.sbin/amd/text/INSTALL b/usr.sbin/amd/text/INSTALL
new file mode 100644
index 0000000..d35aaaa
--- /dev/null
+++ b/usr.sbin/amd/text/INSTALL
@@ -0,0 +1,194 @@
+Installation Notes for Amd.
+
+NOTE: Please read all of this before starting.
+      It is not very long and may save you time in the long term.
+
+1.  ``Getting started...''
+
+If you don't know what an Automounter does for you then read the
+documentation in doc/amdref.texinfo.  You can either use TeX to print
+it out or read it directly using the GNU info package.
+
+2.  ``Find out what version of UN*X you are running...''
+
+To install Amd you need a port for your version of UN*X.  In the
+config/ directory are several files called os-*.h.  One of these
+should correspond to your version of UN*X.  Run the program
+"config/os-type" to find out what system Amd thinks you have.  Check
+the correspondong config/os-??? file to make sure that you and Amd are
+in agreement.  If os-type returns "unknown" then either no-one has yet
+done a port, or your version of UN*X is so braindead that a port is
+not possible (e.g. System V without reliable signals).  The current
+known operating systems (grouped by architecture) are:
+
+	acis43			(AOS) ACIS 4.3BSD on an IBM RT
+	aix3			AIX 3.2
+	aux			Apple A/UX
+	bsd44			4.4 BSD on whatever
+	concentrix		Concentrix on an Alliant
+	dgux			Data General AViiON
+	fpx4			Celerity FPX 4.1/2
+	hlh42			4.2 BSD on HLH Orion 1/05
+	hpux			HP-UX 6.* and 7.* on a HP9000/300
+	irix3			SGI Iris
+	irix4			SGI Iris w/Irix 4.0.x
+	next			NeXT
+	riscix			4.3 BSD on an Acorn Archimedes
+	sos3, sos4		SunOS 3.* and 4.* on a Sun-3 and Sun-4
+	u2_2			Ultrix 2.2 (or 2.*?) on a VAX (broken)
+	u3_0			Ultrix 3.0 (or 3.*?) on a VAX (broken)
+	u4_2			Ultrix 4.2
+	umax43			4.3 BSD on an Encore Multimax
+	xinu43			More/BSD (4.3 BSD) on a VAX or HP9000/300
+
+	+ some others...
+
+If you do define a new operating system type foo, you may need to create a
+file called Makefile.foo which defines the special Makefile parameters.
+
+3.  ``Hacking the Makefile...''
+
+Amd tries very hard to determine what type of machine you are using
+and how best to compile itself.  If this does not work then you will
+have to find some heuristic which can differentiate your
+configuration.  You may need to edit "config/arch" and
+"config/os-type".  If you do make sure your changes can cope if
+/etc/motd is missing and please send it to the address below.
+
+To check whether things are working, run:
+	sh config/arch
+	sh config/os-type
+
+You may care to tailor some site specific preferences in "Makefile.com".  The
+variables most likely to be changes are at the top.  Any changes should be
+added to a file called config/Makefile.local (if they are applicable to all
+operating systems at your site) or Makefile.local.foo (where foo is the OS type
+as determined in part 2).
+
+Additionally, some configuration options may be altered in
+"config/Makefile.config".  This means that you should not need to edit any
+distributed files apart from "config/Makefile.config".  As a minimum, you
+should check:
+
+* You are using the correct C compiler.  Amd, as shipped, does not use GCC.
+  Note that using GCC version 1.34 or later (e.g. 1.36) gives structure
+  passing problems with some parts of Sun's RPC library at least on Sun-4's.
+  The current workaround is to use the system CC to compile the part of the
+  automounter that gets hit by this problem.  [[This is not the same problem
+  that is fixed by -fpcc-struct-return.]]  Amd contains no "register"
+  declarations, so using old PCC based code generators is probably bad news.
+
+  To use GNU CC, add the following to config/Makefile.local{.os-type}:
+
+	CC = gcc ${GCCOPTS}
+
+* The installation directory (ETC) is set up correctly.
+
+* If you are running tests then it may be worth switching on the DEBUG flag
+  which will cause a running commentary to be printed to the log file.  To
+  compile in the debug code, add the following to
+  config/Makefile.local{.os-type}:
+
+	DEBUG = -DDEBUG
+	CCOPTS = -g
+
+  The -g option will also allow you to use gdb.  Using dbx is not advisable
+  since it puts a breakpoint on exit() which causes all of Amd's child
+  processes to dump core.  gdb does not suffer from this problem.
+
+4.  ``Build the executable...''
+
+Now you need to compile the automounter.  To do this you type:
+
+	make
+
+in the top-level directory.  You can also go into each of the program
+directories and just run make there.
+
+If you are porting to a new machine you may want to do:
+
+	make OS=foo
+
+where foo is the name of your version of UN*X as determined in part 1, until
+you have made the changes to config/os-type and/or config/arch.  When the
+compilation is complete you will end up with a program called "A.arch_foo/amd".
+
+Try running:
+
+	A.arch_foo/amd -v
+
+and check the output.  It should look something like:
+
+  Copyright (c) 1990 Jan-Simon Pendry
+  Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+  Copyright (c) 1990 The Regents of the University of California.
+  amd 5.2.1.5 of 90/09/16 13:22:46 5.3Alpha5 #0: Sun Sep 16 13:23:28 BST 1990
+  Built by pendry@okeeffe.Berkeley.EDU for a tahoe running bsd44 (big-endian)
+  Map support for: root, passwd, nis, file, error.
+  fstypes: ufs, nfs, nfsx, host, link, program, auto, direct, toplvl, error.
+
+Make sure the O/S and architecture types were correctly derived during the
+build.
+
+5.  ``Installation...''
+
+If you are not just testing Amd, then you can install it by typing:
+
+	make install
+
+to install "A.arch_foo/amd" in "/usr/local/etc/amd" (or as otherwise
+modified in part 3).
+
+6.  ``Update /etc/rpc''
+
+Amq uses Sun RPC to talk to Amd using program number 300019 which has
+been registered with Sun.  Add the following lines to /etc/rpc or your
+YP or Hesiod master:
+
+# Automount control protocol
+amd	300019	amq
+
+Amd does not require this addition - it just keeps rpcinfo happy.
+
+7.  ``Hanging your machine...''
+
+WARNING:  THIS MAY HANG YOUR MACHINE IF YOU GET IT WRONG.
+
+Running Amd with a carelessly thought out mount map can cause your Amd to
+enter a deadlock inside the kernel.  For example, attempting to automount a
+directory which is automounted.  This will cause the automounter to issue a mount
+request causing the kernel to send an NFS request back to the same automounter,
+which is currently stuck in a system call and unable to respond - even
+kill -KILL won't get you out of this one.
+
+There is nothing you can do to fix it without rebooting your machine, so...
+
+Find a diskless workstation and play with that first before trying this on
+your main 200 user service machine (unless you hate your users).  Something
+like a diskless Sun-4 is best for development testing - you can compile on a
+Sun-4 server and run the binary on the diskless node.  They reboot very fast
+as well between tests.
+
+Now you can try running Amd.  Please read the documentation in doc/Amd.tex
+for more details.  The configuration file "maps/a_master" provides a sample for
+you to play with.  Something like:
+
+	./amd -c 40 -D test,nodaemon /tmp/amnt ../maps/a_master &
+
+is good for testing.  Note that Amd will clean up correctly if you send it a
+SIGINT or SIGTERM.  Other signals are either ignored or will blow it away,
+leaving your machine in a potentially dangerous state.
+
+Remember that Amd needs to run as root in order to do mounts/unmounts
+though it does check this condition somewhere near line one of main().
+It will also need write permission in the working directory if you
+have built it with DEBUG defined and your system's mount table is
+reflected in a file.  In this case watch out for NFS stepping in and
+mapping root to nobody.
+
+8.  ``Report what happened...''
+
+If anything interesting happened, eg it didn't work, please report it to me
+-- Jan-Simon Pendry <jsp@doc.ic.ac.uk> -- as detailed in the README file.
+
+$Id: INSTALL,v 5.2.2.2 1992/05/31 16:49:22 jsp Exp $
diff --git a/usr.sbin/amd/text/README b/usr.sbin/amd/text/README
new file mode 100644
index 0000000..01d3a8b
--- /dev/null
+++ b/usr.sbin/amd/text/README
@@ -0,0 +1,37 @@
+This program is an automounter.
+
+This automounter is a value-added, replacement for the SunOS 4
+automount(8) program.  Though based on that program in spirit, it
+contains no proprietary UN*X source code.
+
+The version you have here is release 5.3Alpha.
+
+This program is NOT in the Public Domain - it is covered by
+the usual Berkeley software distribution license - but feel free
+to take it and change it.
+
+It is believed to work correctly on Sun-3's (SunOS 3.5, 4.0, 4.1),
+Sun-4's (SunOS 4.0, 4.1), HP-9000/300 (HP-UX, MORE/bsd & BSD 4.3 Reno),
+IBM RTs (AOS 4.3), IBM RISC System/6000 (AIX 3.1), VAXen (Ultrix 4.0,
+MORE/bsd & BSD 4.3 Reno) and a wide variety of other systems.  If
+your machine is not supported please feel free to try a port, but be
+sure to send me a record of the changes you had to make.
+
+
+This is the file text/README.
+
+See the file text/INSTALL for installation instructions.
+
+The documentation is in doc/amdref.texinfo.  This is in GNU TeXinfo format
+and you will need a TeX system before you can print it out.
+
+Please forward *all* bug reports to Jan-Simon Pendry <jsp@doc.ic.ac.uk>
+quoting the details of the release and your configuration, which can be
+obtained by running the command "amd -v".  Also send any additional
+information which may be relevant such as command line options and the maps
+being used.  Thanks.
+
+The manual page (amd/amd.8) only lists the command line options.  See the
+texinfo document doc/amdref.texinfo for a more detailed discussion.
+
+$Id: README,v 5.2.2.1 1992/02/09 15:11:35 jsp beta $
diff --git a/usr.sbin/amd/text/amd.start.ex b/usr.sbin/amd/text/amd.start.ex
new file mode 100644
index 0000000..d7cdc1f
--- /dev/null
+++ b/usr.sbin/amd/text/amd.start.ex
@@ -0,0 +1,87 @@
+#!/bin/sh -
+#
+# Copyright (c) 1989 Jan-Simon Pendry
+# Copyright (c) 1989 Imperial College of Science, Technology & Medicine
+# Copyright (c) 1989, 1993
+#	The Regents of the University of California.  All rights reserved.
+#
+# This code is derived from software contributed to Berkeley by
+# Jan-Simon Pendry at Imperial College, London.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#	This product includes software developed by the University of
+#	California, Berkeley and its contributors.
+# 4. Neither the name of the University nor the names of its contributors
+#    may be used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+#	@(#)amd.start.ex	8.1 (Berkeley) 6/6/93
+#
+# Start amd
+#
+# $Id: amd.start.ex,v 5.2.2.1 1992/02/09 15:11:32 jsp beta $
+#
+PATH=/usr/sbin:/bin:/usr/bin:$PATH export PATH
+
+#
+# Either name of logfile or "syslog"
+#
+#LOGFILE=syslog
+LOGFILE=/var/run/amd.log
+
+#
+# Figure out whether domain name is in host name
+# If the hostname is just the machine name then
+# pass in the name of the local domain so that the
+# hostnames in the map are domain stripped correctly.
+#
+case `hostname` in
+*.*) dmn= ;;
+*) dmn='-d doc.ic.ac.uk'
+esac
+
+#
+# Zap earlier log file
+#
+case "$LOGFILE" in
+*/*)
+	mv "$LOGFILE" "$LOGFILE"-
+	> "$LOGFILE"
+	;;
+syslog)
+	: nothing
+	;;
+esac
+
+cd /usr/sbin
+#
+# -r 		restart
+# -d dmn	local domain
+# -w wait	wait between unmount attempts
+# -l log	logfile or "syslog"
+#
+eval nice --4 ./amd -p > /var/run/amd.pid -r $dmn -w 240 -l "$LOGFILE" \
+	/homes amd.homes -cache:=inc \
+	/home amd.home -cache:=inc \
+	/vol amd.vol -cache:=inc