diff options
Diffstat (limited to 'contrib/amd/amd/amd.h')
| -rw-r--r-- | contrib/amd/amd/amd.h | 723 |
1 files changed, 646 insertions, 77 deletions
diff --git a/contrib/amd/amd/amd.h b/contrib/amd/amd/amd.h index e5e4e44..0e371b7 100644 --- a/contrib/amd/amd/amd.h +++ b/contrib/amd/amd/amd.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997-2004 Erez Zadok + * Copyright (c) 1997-2006 Erez Zadok * 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. @@ -36,9 +36,8 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * %W% (Berkeley) %G% * - * $Id: amd.h,v 1.8.2.8 2004/01/21 04:04:58 ib42 Exp $ + * File: am-utils/amd/amd.h * */ @@ -50,33 +49,160 @@ * MACROS: */ +/* + * Define a default debug mtab path for systems + * that support mtab on file. + */ +#ifdef MOUNT_TABLE_ON_FILE +# define DEBUG_MNTTAB_FILE "/tmp/mnttab" +#endif /* MOUNT_TABLE_ON_FILE */ + /* options for amd.conf */ -#define CFM_BROWSABLE_DIRS 0x0001 -#define CFM_MOUNT_TYPE_AUTOFS 0x0002 -#define CFM_SELECTORS_IN_DEFAULTS 0x0004 -#define CFM_NORMALIZE_HOSTNAMES 0x0008 -#define CFM_PROCESS_LOCK 0x0010 -#define CFM_PRINT_PID 0x0020 -#define CFM_RESTART_EXISTING_MOUNTS 0x0040 -#define CFM_SHOW_STATFS_ENTRIES 0x0080 -#define CFM_FULLY_QUALIFIED_HOSTS 0x0100 -#define CFM_BROWSABLE_DIRS_FULL 0x0200 /* allow '/' in readdir() */ -#define CFM_UNMOUNT_ON_EXIT 0x0400 /* when amd finishing */ -#define CFM_NFS_INSECURE_PORT 0x0800 +#define CFM_BROWSABLE_DIRS 0x00000001 +#define CFM_MOUNT_TYPE_AUTOFS 0x00000002 /* use kernel autofs support */ +#define CFM_SELECTORS_IN_DEFAULTS 0x00000004 +#define CFM_NORMALIZE_HOSTNAMES 0x00000008 +#define CFM_PROCESS_LOCK 0x00000010 +#define CFM_PRINT_PID 0x00000020 +#define CFM_RESTART_EXISTING_MOUNTS 0x00000040 +#define CFM_SHOW_STATFS_ENTRIES 0x00000080 +#define CFM_FULLY_QUALIFIED_HOSTS 0x00000100 +#define CFM_BROWSABLE_DIRS_FULL 0x00000200 /* allow '/' in readdir() */ +#define CFM_UNMOUNT_ON_EXIT 0x00000400 /* when amd finishing */ +#define CFM_USE_TCPWRAPPERS 0x00000800 +#define CFM_AUTOFS_USE_LOFS 0x00001000 +#define CFM_NFS_INSECURE_PORT 0x00002000 +#define CFM_DOMAIN_STRIP 0x00004000 +#define CFM_NORMALIZE_SLASHES 0x00008000 /* normalize slashes? */ +#define CFM_FORCED_UNMOUNTS 0x00010000 /* forced unmounts? */ +#define CFM_TRUNCATE_LOG 0x00020000 /* truncate log file? */ +#if 0 +/* XXX: reserved to sync up with am-utils-6.2 */ +#define CFM_SUN_MAP_SYNTAX 0x00040000 /* Sun map syntax? */ +#endif +#define CFM_NFS_ANY_INTERFACE 0x00080000 /* all interfaces are acceptable */ + +/* defaults global flags: plock, tcpwrappers, and autofs/lofs */ +#define CFM_DEFAULT_FLAGS (CFM_PROCESS_LOCK|CFM_USE_TCPWRAPPERS|CFM_AUTOFS_USE_LOFS|CFM_DOMAIN_STRIP|CFM_NORMALIZE_SLASHES) + +/* + * macro definitions for automounter vfs/vnode operations. + */ +#define VLOOK_CREATE 0x1 +#define VLOOK_DELETE 0x2 +#define VLOOK_LOOKUP 0x3 + +/* + * macro definitions for automounter vfs capabilities + */ +#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 */ +#define FS_AUTOFS 0x0080 /* This filesystem can be an autofs f/s */ +#define FS_DIRECT 0x0100 /* Direct mount */ +#define FS_ON_AUTOFS 0x0200 /* This filesystem can be mounted directly + onto an autofs mountpoint */ + +/* + * macros for struct am_node (map of auto-mount points). + */ +#define AMF_NOTIMEOUT 0x0001 /* This node never times out */ +#define AMF_ROOT 0x0002 /* This is a root node */ +#define AMF_AUTOFS 0x0004 /* This node is part of an autofs filesystem */ +#define AMF_REMOUNT 0x0008 /* This node needs to be remounted */ +#define AMF_SOFTLOOKUP 0x0010 /* This node returns EIO if server is down */ + +/* + * macros for struct mntfs (list of mounted filesystems) + */ +#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 */ +#define MFF_NFSLINK 0x0200 /* nfsl type, and deemed a link */ +#define MFF_IS_AUTOFS 0x0400 /* this filesystem is of type autofs */ +#define MFF_NFS_SCALEDOWN 0x0800 /* the mount failed, retry with v2/UDP */ +#define MFF_ON_AUTOFS 0x1000 /* autofs has a lofs/link to this f/s */ +#define MFF_WEBNFS 0x2000 /* use public filehandle */ + +/* + * macros for struct fserver. + */ +#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 occurred */ +#define FSF_WANT 0x0008 /* Want a wakeup call */ +#define FSF_PINGING 0x0010 /* Already doing pings */ +#define FSF_WEBNFS 0x0020 /* Don't try to contact portmapper */ +#define FSF_PING_UNINIT 0x0040 /* ping values have not been initilized */ +#define FSF_FORCE_UNMOUNT 0x0080 /* force umount of this fserver */ +#define FSRV_ERROR(fs) ((fs) && (((fs)->fs_flags & FSF_ERROR) == FSF_ERROR)) +#define FSRV_ISDOWN(fs) ((fs) && (((fs)->fs_flags & (FSF_DOWN|FSF_VALID)) == (FSF_DOWN|FSF_VALID))) +#define FSRV_ISUP(fs) (!(fs) || (((fs)->fs_flags & (FSF_DOWN|FSF_VALID)) == (FSF_VALID))) /* some systems (SunOS 4.x) neglect to define the mount null message */ #ifndef MOUNTPROC_NULL # define MOUNTPROC_NULL ((u_long)(0)) #endif /* not MOUNTPROC_NULL */ +/* + * Error to return if remote host is not available. + * Try, in order, "host down", "host unreachable", "invalid argument". + */ +#ifdef EHOSTDOWN +# define AM_ERRNO_HOST_DOWN EHOSTDOWN +#else /* not EHOSTDOWN */ +# ifdef EHOSTUNREACH +# define AM_ERRNO_HOST_DOWN EHOSTUNREACH +# else /* not EHOSTUNREACH */ +# define AM_ERRNO_HOST_DOWN EINVAL +# endif /* not EHOSTUNREACH */ +#endif /* not EHOSTDOWN */ + /* Hash table size */ #define NKVHASH (1 << 2) /* Power of two */ +/* Max entries to return in one call */ +#define MAX_READDIR_ENTRIES 16 + +/* + * default amfs_auto retrans - 1/10th seconds + */ +#define AMFS_AUTO_RETRANS(x) ((ALLOWED_MOUNT_TIME*10+5*gopt.amfs_auto_timeo[(x)])/gopt.amfs_auto_timeo[(x)] * 2) + +/* + * The following values can be tuned... + */ +#define AM_TTL (300) /* Default cache period (5 min) */ +#define AM_TTL_W (120) /* Default unmount interval (2 min) */ +#define AM_PINGER 30 /* NFS ping interval for live systems */ +#define AMFS_AUTO_TIMEO 8 /* Default amfs_auto timeout - .8s */ +#define AMFS_EXEC_MAP_TIMEOUT 10 /* default 10sec exec map timeout */ + /* interval between forced retries of a mount */ #define RETRY_INTERVAL 2 -#define ereturn(x) { *error_return = x; return 0; } +#ifndef ROOT_MAP +# define ROOT_MAP "\"root\"" +#endif /* not ROOT_MAP */ +#define ereturn(x) do { *error_return = x; return 0; } while (0) + +#define NEVER (time_t) 0 + +#if defined(HAVE_TCPD_H) && defined(HAVE_LIBWRAP) +# define AMD_SERVICE_NAME "amd" /* for tcpwrappers */ +#endif /* defined(HAVE_TCPD_H) && defined(HAVE_LIBWRAP) */ /* * TYPEDEFS: @@ -84,6 +210,16 @@ typedef struct cf_map cf_map_t; typedef struct kv kv; +typedef struct am_node am_node; +typedef struct mntfs mntfs; +typedef struct am_opts am_opts; +typedef struct am_ops am_ops; +typedef struct am_stats am_stats; +typedef struct fserver fserver; + +typedef voidp wchan_t; +typedef voidp opaque_t; + /* * Cache map operations */ @@ -93,6 +229,28 @@ typedef int mtime_fn(mnt_map *, char *, time_t *); typedef int isup_fn(mnt_map *, char *); typedef int reload_fn(mnt_map *, char *, add_fn *); typedef int search_fn(mnt_map *, char *, char *, char **, time_t *); +typedef int task_fun(opaque_t); +typedef void cb_fun(int, int, opaque_t); +typedef void fwd_fun(voidp, int, struct sockaddr_in *, + struct sockaddr_in *, opaque_t, int); +typedef int key_fun(char *, opaque_t); +typedef void callout_fun(opaque_t); + +/* + * automounter vfs/vnode operations. + */ +typedef char *(*vfs_match) (am_opts *); +typedef int (*vfs_init) (mntfs *); +typedef int (*vmount_fs) (am_node *, mntfs *); +typedef int (*vumount_fs) (am_node *, mntfs *); +typedef am_node *(*vlookup_child) (am_node *, char *, int *, int); +typedef am_node *(*vmount_child) (am_node *, int *); +typedef int (*vreaddir) (am_node *, nfscookie, nfsdirlist *, nfsentry *, u_int); +typedef am_node *(*vreadlink) (am_node *, int *); +typedef void (*vmounted) (mntfs *); +typedef void (*vumounted) (mntfs *); +typedef fserver *(*vffserver) (mntfs *); +typedef wchan_t (*vget_wchan) (mntfs *); @@ -104,6 +262,7 @@ typedef int search_fn(mnt_map *, char *, char *, char **, time_t *); struct amu_global_options { char *arch; /* name of current architecture */ char *auto_dir; /* automounter temp dir */ + int auto_attrcache; /* attribute cache timeout for auto dirs */ char *cluster; /* cluster name */ char *karch; /* kernel architecture */ char *logfile; /* amd log file */ @@ -113,16 +272,33 @@ struct amu_global_options { char *op_sys_vendor; /* name of OS vendor ${vendor} */ char *pid_file; /* PID file */ char *sub_domain; /* local domain */ + char *localhost_address; /* localhost address (NULL means use 127.0.0.1) */ + char *map_defaults; /* global map /default options */ char *map_options; /* global map options */ + int map_reload_interval; /* map reload interval */ char *map_type; /* global map type */ char *search_path; /* search path for maps */ char *mount_type; /* mount type for map */ + char *debug_mtab_file; /* path for the mtab file during debug mode */ u_int flags; /* various CFM_* flags */ - int amfs_auto_retrans; /* NFS retransmit counter */ - int amfs_auto_timeo; /* NFS retry interval */ + +#define AMU_TYPE_NONE -1 /* for amfs_auto_{timeo,retrans,toplvl} */ +#define AMU_TYPE_UDP 0 /* for amfs_auto_{timeo,retrans,toplvl} */ +#define AMU_TYPE_TCP 1 /* for amfs_auto_{timeo,retrans,toplvl} */ + /* + * Note: toplvl is only UDP, but we want to separate it from regular + * NFS mounts which Amd makes, because the toplvl mount is a localhost + * mount for which different timeo/retrans parameters may be desired. + */ +#define AMU_TYPE_TOPLVL 2 /* for amfs_auto_{timeo,retrans,toplvl} */ +#define AMU_TYPE_MAX 3 /* for amfs_auto_{timeo,retrans,toplvl} */ + int amfs_auto_retrans[AMU_TYPE_MAX]; /* NFS retransmit counter */ + int amfs_auto_timeo[AMU_TYPE_MAX]; /* NFS retry interval */ + int am_timeo; /* cache duration */ int am_timeo_w; /* dismount interval */ - int portmap_program; /* amd RPC program number */ + u_long portmap_program; /* amd RPC program number */ + u_short preferred_amq_port; /* preferred amq service RPC port number (0 means "any") */ #ifdef HAVE_MAP_HESIOD char *hesiod_base; /* Hesiod rhs */ #endif /* HAVE_MAP_HESIOD */ @@ -131,12 +307,14 @@ struct amu_global_options { char *ldap_hostports; /* LDAP host ports */ long ldap_cache_seconds; /* LDAP internal cache - keep seconds */ long ldap_cache_maxmem; /* LDAP internal cache - max memory (bytes) */ + long ldap_proto_version; /* LDAP protocol version */ #endif /* HAVE_MAP_LDAP */ #ifdef HAVE_MAP_NIS char *nis_domain; /* YP domain name */ #endif /* HAVE_MAP_NIS */ char *nfs_proto; /* NFS protocol (NULL, udp, tcp) */ int nfs_vers; /* NFS version (0, 2, 3, 4) */ + u_int exec_map_timeout; /* timeout (seconds) for executable maps */ }; /* if you add anything here, update conf.c:reset_cf_map() */ @@ -144,10 +322,12 @@ struct cf_map { char *cfm_dir; /* /home, /u, /src */ char *cfm_name; /* amd.home, /etc/amd.home ... */ char *cfm_type; /* file, hesiod, ndbm, nis ... */ + char *cfm_defaults; /* map /defaults options in amd.conf */ char *cfm_opts; /* -cache:=all, etc. */ char *cfm_search_path; /* /etc/local:/etc/amdmaps:/misc/yp */ char *cfm_tag; /* optional map tag for amd -T */ u_int cfm_flags; /* browsable_dirs? mount_type? */ + struct cf_map *cfm_next; /* pointer to next in list (if any) */ }; /* @@ -176,52 +356,173 @@ struct mnt_map { search_fn *search; /* Function to be used for searching */ mtime_fn *mtime; /* Modify time function */ kv *kvhash[NKVHASH]; /* Cached data */ - /* options available via amd conf file */ - char *cf_map_type; /* file, hesiod, ndbm, nis, etc. */ - char *cf_search_path; /* /etc/local:/etc/amdmaps:/misc/yp */ + cf_map_t *cfm; /* pointer to per-map amd.conf opts, if any */ void *map_data; /* Map data black box */ }; /* - * 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 successful. 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 */ + * 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_mount_type; /* "nfs" or "autofs" */ + char *opt_unmount; + char *opt_umount; /* an "alias" for opt_unmount (type:=program) */ + char *opt_user; + char *opt_maptype; /* map type: file, nis, hesiod, etc. */ + char *opt_cachedir; /* cache directory */ + char *opt_addopts; /* options to add to opt_opts */ }; +struct am_ops { + char *fs_type; /* type of filesystems e.g. "nfsx" */ + vfs_match fs_match; /* fxn: match */ + vfs_init fs_init; /* fxn: initialization */ + vmount_fs mount_fs; /* fxn: mount my own vnode */ + vumount_fs umount_fs; /* fxn: unmount my own vnode */ + vlookup_child lookup_child; /* fxn: lookup path-name */ + vmount_child mount_child; /* fxn: mount path-name */ + vreaddir readdir; /* fxn: read directory */ + vreadlink readlink; /* fxn: read link */ + vmounted mounted; /* fxn: after-mount extra actions */ + vumounted umounted; /* fxn: after-umount extra actions */ + vffserver ffserver; /* fxn: find a file server */ + vget_wchan get_wchan; /* fxn: get the waiting channel */ + int nfs_fs_flags; /* filesystem flags FS_* for nfs mounts */ +#ifdef HAVE_FS_AUTOFS + int autofs_fs_flags;/* filesystem flags FS_* for autofs mounts */ +#endif /* HAVE_FS_AUTOFS */ +}; + +/* + * 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 */ + char *mf_loopdev; /* loop device name for /dev/loop mounts */ + fserver *mf_server; /* File server */ + int mf_fsflags; /* Flags FS_* copied from mf_ops->*_fs_flags */ + int mf_flags; /* Flags MFF_* */ + 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) (opaque_t); /* Free private space */ + opaque_t mf_private; /* Private - per-fs data */ +}; + +/* + * List of fileservers + */ +struct fserver { + qelem fs_q; /* List of fileservers */ + int fs_refc; /* Number of references to this server */ + 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 */ + u_long fs_version; /* NFS version of server (2, 3, etc.)*/ + char *fs_proto; /* NFS protocol of server (tcp, udp, etc.) */ + opaque_t fs_private; /* Private data */ + void (*fs_prfree) (opaque_t); /* Free private data */ +}; + +/* + * 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 */ +}; + +/* + * System statistics + */ +struct amd_stats { + int d_drops; /* Dropped requests */ + int d_stale; /* Stale NFS handles */ + int d_mok; /* Successful mounts */ + int d_merr; /* Failed mounts */ + int d_uerr; /* Failed unmounts */ +}; +extern struct amd_stats amd_stats; + +/* + * Map of auto-mount points. + */ +struct am_node { + int am_mapno; /* Map number */ + mntfs *am_mnt; /* Mounted filesystem */ + mntfs **am_mfarray; /* Filesystem sources to try to mount */ + 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-dir */ + am_node *am_parent; /* Parent of this node */ + am_node *am_ysib; /* Younger sibling of this node */ + am_node *am_osib; /* Older sibling of this node */ + am_node *am_child; /* First child of this node */ + nfsattrstat am_attr; /* File attributes */ +#define am_fattr am_attr.ns_u.ns_attr_u + int am_flags; /* Boolean flags AMF_* */ + int am_error; /* Specific mount error */ + time_t am_ttl; /* Time to live */ + int am_timeo_w; /* Dismount wait interval */ + int am_timeo; /* Cache timeout interval */ + u_int am_gen; /* Generation number */ + char *am_pref; /* Mount info prefix */ + am_stats am_stats; /* Statistics gathering */ + SVCXPRT *am_transp; /* Info for quick reply */ + dev_t am_dev; /* Device number */ + dev_t am_rdev; /* Remote/real device number */ +#ifdef HAVE_FS_AUTOFS + autofs_fh_t *am_autofs_fh; + time_t am_autofs_ttl; /* Time to expire autofs nodes */ +#endif /* HAVE_FS_AUTOFS */ +}; /* * EXTERNALS: */ -/* Amq server global functions */ +/* + * Amq server global functions + */ extern amq_mount_info_list *amqproc_getmntfs_1_svc(voidp argp, struct svc_req *rqstp); extern amq_mount_stats *amqproc_stats_1_svc(voidp argp, struct svc_req *rqstp); extern amq_mount_tree_list *amqproc_export_1_svc(voidp argp, struct svc_req *rqstp); extern amq_mount_tree_p *amqproc_mnttree_1_svc(voidp argp, struct svc_req *rqstp); extern amq_string *amqproc_getvers_1_svc(voidp argp, struct svc_req *rqstp); +extern amq_string *amqproc_pawd_1_svc(voidp argp, struct svc_req *rqstp); extern int *amqproc_getpid_1_svc(voidp argp, struct svc_req *rqstp); extern int *amqproc_mount_1_svc(voidp argp, struct svc_req *rqstp); extern int *amqproc_setopt_1_svc(voidp argp, struct svc_req *rqstp); @@ -229,44 +530,134 @@ extern voidp amqproc_null_1_svc(voidp argp, struct svc_req *rqstp); extern voidp amqproc_umnt_1_svc(voidp argp, struct svc_req *rqstp); /* other external definitions */ -extern am_nfs_fh *root_fh(char *dir); +extern am_nfs_fh *get_root_nfs_fh(char *dir); extern am_node *find_ap(char *); -extern am_node *find_ap2(char *, am_node *); +extern am_node *get_ap_child(am_node *, char *); extern bool_t xdr_amq_mount_info_qelem(XDR *xdrs, qelem *qhead); extern fserver *find_nfs_srvr(mntfs *mf); -extern int auto_fmount(am_node *mp); -extern int auto_fumount(am_node *mp); -extern int mount_nfs_fh(am_nfs_handle_t *fhp, char *dir, char *fs_name, char *opts, mntfs *mf); -extern int process_last_regular_map(void); +extern int mount_nfs_fh(am_nfs_handle_t *fhp, char *mntdir, char *fs_name, mntfs *mf); +extern int process_all_regular_maps(void); +extern cf_map_t *find_cf_map(const char *name); extern int set_conf_kv(const char *section, const char *k, const char *v); -extern int try_mount(voidp mvp); +extern int mount_node(opaque_t arg); +extern int unmount_mp(am_node *mp); extern int yyparse (void); -extern nfsentry *make_entry_chain(am_node *mp, const nfsentry *current_chain, int fully_browsable); -extern void amfs_auto_cont(int rc, int term, voidp closure); -extern void amfs_auto_mkcacheref(mntfs *mf); -extern void amfs_auto_retry(int rc, int term, voidp closure); + +extern void amfs_mkcacheref(mntfs *mf); +extern int amfs_mount(am_node *mp, mntfs *mf, char *opts); extern void assign_error_mntfs(am_node *mp); -extern void flush_srvr_nfs_cache(void); -extern void free_continuation(struct continuation *cp); -extern void mf_mounted(mntfs *mf); -extern void quick_reply(am_node *mp, int error); +extern am_node *next_nonerror_node(am_node *xp); +extern void flush_srvr_nfs_cache(fserver *fs); +extern void am_mounted(am_node *); +extern void mf_mounted(mntfs *mf, bool_t call_free_opts); +extern void am_unmounted(am_node *); +extern am_node *get_exported_ap(int index); +extern am_node *get_first_exported_ap(int *index); +extern am_node *get_next_exported_ap(int *index); +extern am_node *path_to_exported_ap(char *path); +extern am_node *exported_ap_alloc(void); +extern am_node *find_mf(mntfs *); +extern am_node *next_map(int *); +extern am_ops *ops_match(am_opts *, char *, char *, char *, char *, char *); +extern am_ops *ops_search(char *); +extern fserver *dup_srvr(fserver *); +extern void srvrlog(fserver *, char *); +extern int get_mountd_port(fserver *, u_short *, wchan_t); +extern void flush_nfs_fhandle_cache(fserver *); + +extern mntfs *dup_mntfs(mntfs *); +extern mntfs *find_mntfs(am_ops *, am_opts *, char *, char *, char *, char *, char *); +extern mntfs *locate_mntfs(am_ops *, am_opts *, char *, char *, char *, char *, char *); +extern mntfs *new_mntfs(void); +extern mntfs *realloc_mntfs(mntfs *, am_ops *, am_opts *, char *, char *, char *, char *, char *); +extern void flush_mntfs(void); +extern void free_mntfs(voidp); + + +extern void amq_program_1(struct svc_req *rqstp, SVCXPRT *transp); +extern int background(void); +extern void deslashify(char *); +extern void do_task_notify(void); +extern int eval_fs_opts(am_opts *, char *, char *, char *, char *, char *); +extern void forcibly_timeout_mp(am_node *); +extern void free_map(am_node *); +extern void free_opts(am_opts *); +extern void free_srvr(fserver *); +extern int fwd_init(void); +extern int fwd_packet(int, char *, int, struct sockaddr_in *, struct sockaddr_in *, opaque_t, fwd_fun *); +extern void fwd_reply(void); +extern void get_args(int argc, char *argv[]); +extern wchan_t get_mntfs_wchan(mntfs *mf); +extern void host_normalize(char **); +extern void init_map(am_node *, char *); +extern void ins_que(qelem *, qelem *); +extern void insert_am(am_node *, am_node *); +extern int make_nfs_auth(void); +extern void make_root_node(void); +extern void map_flush_srvr(fserver *); +extern void mapc_add_kv(mnt_map *, char *, char *); +extern mnt_map *mapc_find(char *, char *, const char *); +extern void mapc_free(opaque_t); +extern int mapc_keyiter(mnt_map *, key_fun, opaque_t); +extern void mapc_reload(void); +extern int mapc_search(mnt_map *, char *, char **); +extern void mapc_showtypes(char *buf, size_t l); +extern int mapc_type_exists(const char *type); +extern void mk_fattr(nfsfattr *, nfsftype); +extern int mount_auto_node(char *, opaque_t); +extern int mount_automounter(int); +extern int mount_exported(void); +extern void mp_to_fh(am_node *, am_nfs_fh *); +extern void new_ttl(am_node *); +extern void nfs_quick_reply(am_node *mp, int error); +extern void normalize_slash(char *); +extern void ops_showamfstypes(char *buf, size_t l); +extern void ops_showfstypes(char *outbuf, size_t l); +extern void rem_que(qelem *); +extern void reschedule_timeout_mp(void); +extern void restart(void); +extern void restart_automounter_nodes(void); +extern int root_keyiter(key_fun *, opaque_t); extern void root_newmap(const char *, const char *, const char *, const cf_map_t *); +extern void run_task(task_fun *, opaque_t, cb_fun *, opaque_t); +extern void sched_task(cb_fun *, opaque_t, wchan_t); +extern int softclock(void); +extern int timeout(u_int, void (*fn)(opaque_t), opaque_t); +extern void timeout_mp(opaque_t); +extern void untimeout(int); +extern void umount_exported(void); +extern int valid_key(char *); +extern void wakeup(wchan_t); +extern void wakeup_srvr(fserver *); +extern void wakeup_task(int, int, wchan_t); +#define SIZEOF_PID_FSNAME (16 + MAXHOSTNAMELEN) +extern char pid_fsname[SIZEOF_PID_FSNAME]; /* "kiska.southseas.nz:(pid%d)" */ +#define SIZEOF_HOSTD (2 * MAXHOSTNAMELEN + 1) +extern char hostd[SIZEOF_HOSTD]; /* Host+domain */ +#define SIZEOF_OPTS 256 /* used for char opts[] and preopts[] */ -/* amd global variables */ +/* + * Global variables. + */ extern FILE *yyin; -extern SVCXPRT *nfs_program_2_transp; /* For quick_reply() */ +extern SVCXPRT *current_transp; /* For nfs_quick_reply() */ extern char *conf_tag; -extern char *opt_gid; -extern char *opt_uid; -extern int NumChild; +#define SIZEOF_UID_STR 12 +#define SIZEOF_GID_STR 12 +extern char *opt_gid, gid_str[SIZEOF_GID_STR]; +extern char *opt_uid, uid_str[SIZEOF_UID_STR]; +extern int NumChildren; extern int fwd_sock; extern int select_intr_valid; +extern int immediate_abort; /* Should close-down unmounts be retried */ extern int usage; extern int use_conf_file; /* use amd configuration file */ +extern int task_notify_todo; /* Task notifier needs running */ extern jmp_buf select_intr; extern qelem mfhead; -extern struct am_opts fs_static; /* copy of the options to play with */ extern struct amu_global_options gopt; /* where global options are stored */ +extern time_t do_mapc_reload; /* Flush & reload mount map cache */ +extern time_t next_softclock; /* Time to call softclock() */ #ifdef HAVE_SIGACTION extern sigset_t masked_sigs; @@ -274,16 +665,88 @@ extern sigset_t masked_sigs; #if defined(HAVE_AMU_FS_LINK) || defined(HAVE_AMU_FS_LINKX) extern char *amfs_link_match(am_opts *fo); -extern int amfs_link_fumount(mntfs *mf); #endif /* defined(HAVE_AMU_FS_LINK) || defined(HAVE_AMU_FS_LINKX) */ -#ifdef HAVE_AMU_FS_NFSL -extern char *nfs_match(am_opts *fo); -#endif /* HAVE_AMU_FS_NFSL */ +#ifdef HAVE_FS_AUTOFS +extern int amd_use_autofs; + +extern int autofs_get_fh(am_node *mp); +extern void autofs_release_fh(am_node *mp); +extern void autofs_get_mp(am_node *mp); +extern void autofs_release_mp(am_node *mp); +extern void autofs_add_fdset(fd_set *readfds); +extern int autofs_handle_fdset(fd_set *readfds, int nsel); +extern void autofs_mounted(am_node *mp); +extern void autofs_mount_succeeded(am_node *mp); +extern void autofs_mount_failed(am_node *mp); +extern int autofs_umount_succeeded(am_node *mp); +extern int autofs_umount_failed(am_node *mp); +extern int autofs_mount_fs(am_node *mp, mntfs *mf); +extern int autofs_umount_fs(am_node *mp, mntfs *mf); +extern void autofs_get_opts(char *opts, size_t l, autofs_fh_t *fh); +extern int autofs_compute_mount_flags(mntent_t *); +extern void autofs_timeout_mp(am_node *); +extern int create_autofs_service(void); +extern int destroy_autofs_service(void); +#endif /* HAVE_FS_AUTOFS */ + +/**************************************************************************/ +/*** Generic file-system types, implemented as part of the native O/S. ***/ +/**************************************************************************/ + +/* + * Loopback File System + * Many systems can't support this, and in any case most of the + * functionality is available with Symlink FS. + */ +#ifdef HAVE_FS_LOFS +extern am_ops lofs_ops; +extern int mount_lofs(char *mntdir, char *fs_name, char *opts, int on_autofs); +#endif /* HAVE_FS_LOFS */ -#if defined(HAVE_FS_NFS3) && !defined(HAVE_XDR_MOUNTRES3) -extern bool_t xdr_mountres3(XDR *xdrs, mountres3 *objp); -#endif /* defined(HAVE_FS_NFS3) && !defined(HAVE_XDR_MOUNTRES3) */ +/* + * CD-ROM File System (CD-ROM) + * (HSFS: High Sierra F/S on some machines) + * Many systems can't support this, and in any case most of the + * functionality is available with program FS. + */ +#ifdef HAVE_FS_CDFS +extern am_ops cdfs_ops; +#endif /* HAVE_FS_CDFS */ + +/* + * PC File System (MS-DOS) + * Many systems can't support this, and in any case most of the + * functionality is available with program FS. + */ +#ifdef HAVE_FS_PCFS +extern am_ops pcfs_ops; +#endif /* HAVE_FS_PCFS */ + +/* + * Caching File System (Solaris) + */ +#ifdef HAVE_FS_CACHEFS +extern am_ops cachefs_ops; +#endif /* HAVE_FS_CACHEFS */ + +/* + * Network File System + * Good, slow, NFS V.2. + */ +#ifdef HAVE_FS_NFS +extern am_ops nfs_ops; /* NFS */ +extern fserver *find_nfs_srvr (mntfs *); +extern qelem nfs_srvr_list; +#endif /* HAVE_FS_NFS */ + +/* + * Un*x File System + * Normal local disk file system. + */ +#ifdef HAVE_FS_UFS +extern am_ops ufs_ops; /* Un*x file system */ +#endif /* HAVE_FS_UFS */ /* Unix file system (irix) */ #ifdef HAVE_FS_XFS @@ -295,4 +758,110 @@ extern am_ops xfs_ops; /* Un*x file system */ extern am_ops efs_ops; /* Un*x file system */ #endif /* HAVE_FS_EFS */ +/**************************************************************************/ +/*** Automounter file-system types, implemented by amd. ***/ +/**************************************************************************/ + +/* + * Root AMD File System + */ +extern am_ops amfs_root_ops; /* Root file system */ + +/* + * Generic amfs helper methods + */ +extern am_node *amfs_generic_lookup_child(am_node *mp, char *fname, int *error_return, int op); +extern am_node *amfs_generic_mount_child(am_node *ap, int *error_return); +extern int amfs_generic_readdir(am_node *mp, nfscookie cookie, nfsdirlist *dp, nfsentry *ep, u_int count); +extern int amfs_generic_umount(am_node *mp, mntfs *mf); +extern void amfs_generic_mounted(mntfs *mf); +extern char *amfs_generic_match(am_opts *fo); +extern fserver *amfs_generic_find_srvr(mntfs *); + +/* + * Automount File System + */ +#ifdef HAVE_AMU_FS_AUTO +extern am_ops amfs_auto_ops; /* Automount file system (this!) */ +#endif /* HAVE_AMU_FS_AUTO */ + +/* + * Toplvl Automount File System + */ +#ifdef HAVE_AMU_FS_TOPLVL +extern am_ops amfs_toplvl_ops; /* Toplvl Automount file system */ +extern int amfs_toplvl_mount(am_node *mp, mntfs *mf); +extern int amfs_toplvl_umount(am_node *mp, mntfs *mf); +#endif /* HAVE_AMU_FS_TOPLVL */ + +/* + * Direct Automount File System + */ +#ifdef HAVE_AMU_FS_DIRECT +extern am_ops amfs_direct_ops; /* Direct Automount file system (this too) */ +#endif /* HAVE_AMU_FS_DIRECT */ + +/* + * Error File System + */ +#ifdef HAVE_AMU_FS_ERROR +extern am_ops amfs_error_ops; /* Error file system */ +extern am_node *amfs_error_lookup_child(am_node *mp, char *fname, int *error_return, int op); +extern am_node *amfs_error_mount_child(am_node *ap, int *error_return); +extern int amfs_error_readdir(am_node *mp, nfscookie cookie, nfsdirlist *dp, nfsentry *ep, u_int count); +#endif /* HAVE_AMU_FS_ERROR */ + +/* + * NFS mounts with local existence check. + */ +#ifdef HAVE_AMU_FS_NFSL +extern am_ops amfs_nfsl_ops; /* NFSL */ +#endif /* HAVE_AMU_FS_NFSL */ + +/* + * Multi-nfs mounts. + */ +#ifdef HAVE_AMU_FS_NFSX +extern am_ops amfs_nfsx_ops; /* NFSX */ +#endif /* HAVE_AMU_FS_NFSX */ + +/* + * NFS host - a whole tree. + */ +#ifdef HAVE_AMU_FS_HOST +extern am_ops amfs_host_ops; /* NFS host */ +#endif /* HAVE_AMU_FS_HOST */ + +/* + * Program File System + * This is useful for things like RVD. + */ +#ifdef HAVE_AMU_FS_PROGRAM +extern am_ops amfs_program_ops; /* Program File System */ +#endif /* HAVE_AMU_FS_PROGRAM */ + +/* + * Symbolic-link file system. + * A "filesystem" which is just a symbol link. + */ +#ifdef HAVE_AMU_FS_LINK +extern am_ops amfs_link_ops; /* Symlink FS */ +#endif /* HAVE_AMU_FS_LINK */ + +/* + * Symbolic-link file system, which also checks that the target of + * the symlink exists. + * A "filesystem" which is just a symbol link. + */ +#ifdef HAVE_AMU_FS_LINKX +extern am_ops amfs_linkx_ops; /* Symlink FS with existence check */ +#endif /* HAVE_AMU_FS_LINKX */ + +/* + * Union file system + */ +#ifdef HAVE_AMU_FS_UNION +extern am_ops amfs_union_ops; /* Union FS */ +#endif /* HAVE_AMU_FS_UNION */ + #endif /* not _AMD_H */ |
