diff options
135 files changed, 4207 insertions, 1771 deletions
diff --git a/crypto/openssh/ChangeLog b/crypto/openssh/ChangeLog index 8760466..ebde747 100644 --- a/crypto/openssh/ChangeLog +++ b/crypto/openssh/ChangeLog @@ -1,3 +1,541 @@ +20030401 + - (djm) OpenBSD CVS Sync + - jmc@cvs.openbsd.org 2003/03/28 10:11:43 + [scp.1 sftp.1 ssh.1 ssh-add.1 ssh-agent.1 ssh_config.5 sshd_config.5] + [ssh-keygen.1 ssh-keyscan.1 ssh-keysign.8] + - killed whitespace + - new sentence new line + - .Bk for arguments + ok markus@ + - markus@cvs.openbsd.org 2003/04/01 10:10:23 + [clientloop.c monitor.c monitor_wrap.c packet.c packet.h readconf.c] + [readconf.h serverloop.c sshconnect2.c] + rekeying bugfixes and automatic rekeying: + * both client and server rekey _automatically_ + (a) after 2^31 packets, because after 2^32 packets + the sequence number for packets wraps + (b) after 2^(blocksize_in_bits/4) blocks + (see: draft-ietf-secsh-newmodes-00.txt) + (a) and (b) are _enabled_ by default, and only disabled for known + openssh versions, that don't support rekeying properly. + * client option 'RekeyLimit' + * do not reply to requests during rekeying + - markus@cvs.openbsd.org 2003/04/01 10:22:21 + [clientloop.c monitor.c monitor_wrap.c packet.c packet.h readconf.c] + [readconf.h serverloop.c sshconnect2.c] + backout rekeying changes (for 3.6.1) + - markus@cvs.openbsd.org 2003/04/01 10:31:26 + [compat.c compat.h kex.c] + bugfix causes stalled connections for ssh.com < 3.0; noticed by ho@; + tested by ho@ and myself + - markus@cvs.openbsd.org 2003/04/01 10:56:46 + [version.h] + 3.6.1 + - (djm) Crank spec file versions + - (djm) Release 3.6.1p1 + +20030326 + - (djm) OpenBSD CVS Sync + - deraadt@cvs.openbsd.org 2003/03/26 04:02:51 + [sftp-server.c] + one last fix to the tree: race fix broke stuff; pr 3169; + srp@srparish.net, help from djm + +20030325 + - (djm) Fix getpeerid support for 64 bit BE systems. From + Arnd Bergmann <arndb@de.ibm.com> + +20030324 + - (djm) OpenBSD CVS Sync + - markus@cvs.openbsd.org 2003/03/23 19:02:00 + [monitor.c] + unbreak rekeying for privsep; ok millert@ + - Release 3.6p1 + - Fix sshd BindAddress and -b options for systems using fake-getaddrinfo. + Report from murple@murple.net, diagnosis from dtucker@zip.com.au + +20030320 + - (djm) OpenBSD CVS Sync + - markus@cvs.openbsd.org 2003/03/17 10:38:38 + [progressmeter.c] + don't print \n if backgrounded; from ho@ + - markus@cvs.openbsd.org 2003/03/17 11:43:47 + [version.h] + enter 3.6 + - (bal) The days of lack of int64_t support are over. Sorry kids. + - (bal) scp.c 'limit' conflicts with Cray. Rename to 'limitbw' + - (bal) Collection of Cray patches (bsd-cray.h fix for CRAYT3E and improved + guessing rules) + - (bal) Disable Privsep for Tru64 after pre-authentication due to issues + with SIA. Also, clean up of tru64 support patch by Chris Adams + <cmadams@hiwaay.net> + - (tim) [contrib/caldera/openssh.spec] workaround RPM quirk. Fix %files + +20030318 + - (tim) [configure.ac openbsd-compat/bsd-misc.c openbsd-compat/bsd-misc.h] + add nanosleep(). testing/corrections by Darren Tucker <dtucker@zip.com.au> + +20030317 + - (djm) Fix return value checks for RAND_bytes. Report from + Steve G <linux_4ever@yahoo.com> + +20030315 + - (djm) OpenBSD CVS Sync + - markus@cvs.openbsd.org 2003/03/13 11:42:19 + [authfile.c ssh-keysign.c] + move RSA_blinding_on to generic key load method + - markus@cvs.openbsd.org 2003/03/13 11:44:50 + [ssh-agent.c] + ssh-agent is similar to ssh-keysign (allows other processes to use + private rsa keys). however, it gets key over socket and not from + a file, so we have to do blinding here as well. + +20030310 +- (djm) OpenBSD CVS Sync + - markus@cvs.openbsd.org 2003/03/05 22:33:43 + [channels.c monitor.c scp.c session.c sftp-client.c sftp-int.c] + [sftp-server.c ssh-add.c sshconnect2.c] + fix memory leaks; from dlheine@suif.Stanford.EDU/CLOUSEAU; ok djm@ + - (djm) One more portable-specific one from dlheine@suif.Stanford.EDU/ + CLOUSEAU + - (djm) Bug #245: TTY problems on Solaris. Fix by stevesk@ and + dtucker@zip.com.au + - (djm) AIX package builder update from dtucker@zip.com.au + +20030225 + - (djm) Fix some compile errors spotted by dtucker and his fabulous + tinderbox + +20030224 + - (djm) Tweak gnome-ssh-askpass2: + - Retry kb and mouse grab a couple of times, so passphrase dialog doesn't + immediately fail if you are doing something else when it appears (e.g. + dragging a window) + - Perform server grab after we have the keyboard and/or pointer to avoid + races. + - (djm) OpenBSD CVS Sync + - markus@cvs.openbsd.org 2003/01/27 17:06:31 + [sshd.c] + more specific error message when /var/empty has wrong permissions; + bug #46, map@appgate.com; ok henning@, provos@, stevesk@ + - markus@cvs.openbsd.org 2003/01/28 16:11:52 + [scp.1] + document -l; pekkas@netcore.fi + - stevesk@cvs.openbsd.org 2003/01/28 17:24:51 + [scp.1] + remove example not pertinent with -1 addition; ok markus@ + - jmc@cvs.openbsd.org 2003/01/31 21:54:40 + [sshd.8] + typos; sshd(8): help and ok markus@ + help and ok millert@ + - markus@cvs.openbsd.org 2003/02/02 10:51:13 + [scp.c] + call okname() only when using system(3) for remote-remote copy; + fixes bugs #483, #472; ok deraadt@, mouring@ + - markus@cvs.openbsd.org 2003/02/02 10:56:08 + [kex.c] + add support for key exchange guesses; based on work by + avraham.fraenkel@commatch.com; fixes bug #148; ok deraadt@ + - markus@cvs.openbsd.org 2003/02/03 08:56:16 + [sshpty.c] + don't call error() for readonly /dev; from soekris list; ok mcbride, + henning, deraadt. + - markus@cvs.openbsd.org 2003/02/04 09:32:08 + [key.c] + better debug3 message + - markus@cvs.openbsd.org 2003/02/04 09:33:22 + [monitor.c monitor_wrap.c] + skey/bsdauth: use 0 to indicate failure instead of -1, because + the buffer API only supports unsigned ints. + - markus@cvs.openbsd.org 2003/02/05 09:02:28 + [readconf.c] + simplify ProxyCommand parsing, remove strcat/xrealloc; ok henning@, djm@ + - markus@cvs.openbsd.org 2003/02/06 09:26:23 + [session.c] + missing call to setproctitle() after authentication; ok provos@ + - markus@cvs.openbsd.org 2003/02/06 09:27:29 + [ssh.c ssh_config.5] + support 'ProxyCommand none'; bugzilla #433; binder@arago.de; ok djm@ + - markus@cvs.openbsd.org 2003/02/06 09:29:18 + [sftp-server.c] + fix races in rename/symlink; from Tony Finch; ok djm@ + - markus@cvs.openbsd.org 2003/02/06 21:22:43 + [auth1.c auth2.c] + undo broken fix for #387, fixes #486 + - markus@cvs.openbsd.org 2003/02/10 11:51:47 + [ssh-add.1] + xref sshd_config.5 (not sshd.8); mark@summersault.com; bug #490 + - markus@cvs.openbsd.org 2003/02/12 09:33:04 + [key.c key.h ssh-dss.c ssh-rsa.c] + merge ssh-dss.h ssh-rsa.h into key.h; ok deraadt@ + - markus@cvs.openbsd.org 2003/02/12 21:39:50 + [crc32.c crc32.h] + replace crc32.c with a BSD licensed version; noted by David Turner + - markus@cvs.openbsd.org 2003/02/16 17:09:57 + [kex.c kexdh.c kexgex.c kex.h sshconnect2.c sshd.c ssh-keyscan.c] + split kex into client and server code, no need to link + server code into the client; ok provos@ + - markus@cvs.openbsd.org 2003/02/16 17:30:33 + [monitor.c monitor_wrap.c] + fix permitrootlogin forced-commands-only for privsep; bux #387; + ok provos@ + - markus@cvs.openbsd.org 2003/02/21 09:05:53 + [servconf.c] + print sshd_config filename in debug2 mode. + - mpech@cvs.openbsd.org 2003/02/21 10:34:48 + [auth-krb4.c] + ...sizeof(&adat.session) is not good here. + henning@, deraadt@, millert@ + - (djm) Add new object files to Makefile and reorder + - (djm) Bug #501: gai_strerror should return char*; + fix from dtucker@zip.com.au + - (djm) Most of Bug #499: Cygwin compile fixes for new progressmeter; + From vinschen@redhat.com + - (djm) Rest of Bug #499: Import a basename() function from OpenBSD libc + - (djm) Bug #494: Allow multiple accounts on Windows 9x/Me; + From vinschen@redhat.com + - (djm) Bug #456: Support for NEC SX6 with Unicos; from wendyp@cray.com + +20030211 + - (djm) Cygwin needs libcrypt too. Patch from vinschen@redhat.com + +20030206 + - (djm) Teach fake-getaddrinfo to use getservbyname() when provided a + string service name. Suggested by markus@, review by itojun@ + +20030131 + - (bal) AIX 4.2.1 lacks nanosleep(). Patch to use nsleep() provided by + dtucker@zip.com.au + +20030130 + - (djm) Unbreak root password auth. Spotted by dtucker@zip.com.au + +200301028 + - (djm) Search libposix4 and librt for nanosleep. From dtucker@zip.com.au + and openssh-unix-dev@thewrittenword.com + +200301027 + - (bal) Bugzilla 477 patch by wendyp@cray.com. Define TIOCGPGRP for + cray. Also removed test for tcgetpgrp in configure.ac since it + is no longer used. + +20030124 + - (djm) OpenBSD CVS Sync + - jmc@cvs.openbsd.org 2003/01/23 08:58:47 + [sshd_config.5] + typos; ok millert@ + - markus@cvs.openbsd.org 2003/01/23 13:50:27 + [authfd.c authfd.h readpass.c ssh-add.1 ssh-add.c ssh-agent.c] + ssh-add -c, prompt user for confirmation (using ssh-askpass) when + private agent key is used; with djm@; test by dugsong@, djm@; + ok deraadt@ + - markus@cvs.openbsd.org 2003/01/23 14:01:53 + [scp.c] + bandwidth limitation patch (scp -l) from niels@; ok todd@, deraadt@ + - markus@cvs.openbsd.org 2003/01/23 14:06:15 + [scp.1 scp.c] + scp -12; Sam Smith and others; ok provos@, deraadt@ + - (djm) Add TIMEVAL_TO_TIMESPEC macros + +20030123 + - (djm) OpenBSD CVS Sync + - djm@cvs.openbsd.org 2003/01/23 00:03:00 + [auth1.c] + Don't log TIS auth response; "get rid of it" - markus@ + +20030122 + - (djm) OpenBSD CVS Sync + - marc@cvs.openbsd.org 2003/01/21 18:14:36 + [ssh-agent.1 ssh-agent.c] + Add a -t life option to ssh-agent that set the default lifetime. + The default can still be overriden by using -t in ssh-add. + OK markus@ + - (djm) Reorganise PAM & SIA password handling to eliminate some common code + - (djm) Sync regress with OpenBSD -current + +20030120 + - (djm) Fix compilation for NetBSD from dtucker@zip.com.au + - (tim) [progressmeter.c] make compilers without long long happy. + - (tim) [configure.ac] Add -belf to build ELF binaries on OpenServer 5 when + using cc. (gcc already did) + +20030118 + - (djm) Revert fix for Bug #442 for now. + +20030117 + - (djm) Bug #470: Detect strnvis, not strvis in configure. + From d_wllms@lanl.gov + +20030116 + - (djm) OpenBSD CVS Sync + - djm@cvs.openbsd.org 2003/01/16 03:41:55 + [sftp-int.c] + explicitly use first glob result + +20030114 + - (djm) OpenBSD CVS Sync + - fgsch@cvs.openbsd.org 2003/01/10 23:23:24 + [sftp-int.c] + typo; from Nils Nordman <nino at nforced dot com>. + - markus@cvs.openbsd.org 2003/01/11 18:29:43 + [log.c] + set fatal_cleanups to NULL in fatal_remove_all_cleanups(); + dtucker@zip.com.au + - markus@cvs.openbsd.org 2003/01/12 16:57:02 + [progressmeter.c] + allow WARNINGS=yes; ok djm@ + - djm@cvs.openbsd.org 2003/01/13 11:04:04 + [sftp-int.c] + make cmds[] array static to avoid conflict with BSDI libc. + mindrot bug #466. Fix from mdev@idg.nl; ok markus@ + - djm@cvs.openbsd.org 2003/01/14 10:58:00 + [sftp-client.c sftp-int.c] + Don't try to upload or download non-regular files. Report from + apoloval@pantuflo.escet.urjc.es; ok markus@ + +20030113 + - (djm) Rework openbsd-compat/setproctitle.c a bit: move emulation type + detection to configure.ac. Prompted by stevesk@ + - (djm) Bug #467: Add a --disable-strip option to turn off stripping of + installed binaries. From mdev@idg.nl + +20030110 + - (djm) Enable new setproctitle emulation for Linux, AIX and HP/UX. More + systems may be added later. + - (djm) OpenBSD CVS Sync + - djm@cvs.openbsd.org 2003/01/08 23:53:26 + [sftp.1 sftp.c sftp-int.c sftp-int.h] + Cleanup error handling for batchmode + Allow blank lines and comments in input + Ability to suppress abort on error in batchmode ("-put blah") + Fixes mindrot bug #452; markus@ ok + - fgsch@cvs.openbsd.org 2003/01/10 08:19:07 + [scp.c sftp.1 sftp.c sftp-client.c sftp-int.c progressmeter.c] + [progressmeter.h] + sftp progress meter support. + original diffs by Nils Nordman <nino at nforced dot com> via + markus@, merged to -current by me, djm@ ok. + - djm@cvs.openbsd.org 2003/01/10 08:48:15 + [sftp-client.c] + Simplify and avoid redundancy in packet send and receive + functions; ok fgs@ + - djm@cvs.openbsd.org 2003/01/10 10:29:35 + [scp.c] + Don't ftruncate after write error, creating sparse files of + incorrect length + mindrot bug #403, reported by rusr@cup.hp.com; ok markus@ + - djm@cvs.openbsd.org 2003/01/10 10:32:54 + [channels.c] + hush socket() errors, except last. Fixes mindrot bug #408; ok markus@ + +20030108 + - (djm) Sync openbsd-compat/ with OpenBSD -current + - (djm) Avoid redundant xstrdup/xfree in auth2-pam.c. From Solar via markus@ + - (djm) OpenBSD CVS Sync + - markus@cvs.openbsd.org 2003/01/01 18:08:52 + [channels.c] + move big output buffer messages to debug2 + - djm@cvs.openbsd.org 2003/01/06 23:51:22 + [sftp-client.c] + Fix "get -p" download to not add user-write perm. mindrot bug #426 + reported by gfernandez@livevault.com; ok markus@ + - fgsch@cvs.openbsd.org 2003/01/07 23:42:54 + [sftp.1] + add version; from Nils Nordman <nino at nforced dot com> via markus@. + markus@ ok + - (djm) Update README to reflect AIX's status as a well supported platform. + From dtucker@zip.com.au + - (tim) [Makefile.in configure.ac] replace fixpath with sed script. Patch + by Mo DeJong. + - (tim) [auth.c] declare today at top of allowed_user() to keep + older compilers happy. + - (tim) [scp.c] make compilers without long long happy. + +20030107 + - (djm) Bug #401: Work around Linux breakage with IPv6 mapped addresses. + Based on fix from yoshfuji@linux-ipv6.org + - (djm) Bug #442: Check for and deny access to accounts with locked + passwords. Patch from dtucker@zip.com.au + - (djm) Bug #44: Use local mkstemp() rather than glibc's silly one. Fixes + Can't pass KRB4 TGT passing. Fix from: jan.iven@cern.ch + - (djm) Fix Bug #442 for PAM case + - (djm) Bug #110: bogus error messages in lastlog_get_entry(). Fix based + on one by peak@argo.troja.mff.cuni.cz + - (djm) Bug #111: Run syslog and stderr logging through strnvis to eliminate + nasties. Report from peak@argo.troja.mff.cuni.cz + - (djm) Bug #178: On AIX /etc/nologin wasnt't shown to users. Fix from + Ralf.Wenk@fh-karlsruhe.de and dtucker@zip.com.au + - (djm) Fix my fix of the fix for the Bug #442 for PAM case. Spotted by + dtucker@zip.com.au. Reorder for clarity too. + +20030103 + - (djm) Bug #461: ssh-copy-id fails with no arguments. Patch from + cjwatson@debian.org + - (djm) Bug #460: Filling utmp[x]->ut_addr_v6 if present. Patch from + cjwatson@debian.org + - (djm) Bug #446: Set LOGIN env var to pw_name on AIX. Patch from + mii@ornl.gov + +20030101 + - (stevesk) [session.c sshlogin.c sshlogin.h] complete portable + parts of pass addrlen with sockaddr * fix. + from Hajimu UMEMOTO <ume@FreeBSD.org> + +20021222 + - (bal) OpenBSD CVS Sync + - fgsch@cvs.openbsd.org 2002/11/15 10:03:09 + [authfile.c] + lseek(2) may return -1 when getting the public/private key lenght. + Simplify the code and check for errors using fstat(2). + + Problem reported by Mauricio Sanchez, markus@ ok. + - markus@cvs.openbsd.org 2002/11/18 16:43:44 + [clientloop.c] + don't overwrite SIG{INT,QUIT,TERM} handler if set to SIG_IGN; + e.g. if ssh is used for backup; report Joerg Schilling; ok millert@ + - markus@cvs.openbsd.org 2002/11/21 22:22:50 + [dh.c] + debug->debug2 + - markus@cvs.openbsd.org 2002/11/21 22:45:31 + [cipher.c kex.c packet.c sshconnect.c sshconnect2.c] + debug->debug2, unify debug messages + - deraadt@cvs.openbsd.org 2002/11/21 23:03:51 + [auth-krb5.c auth1.c hostfile.h monitor_wrap.c sftp-client.c sftp-int.c ssh-add.c ssh-rsa.c + sshconnect.c] + KNF + - markus@cvs.openbsd.org 2002/11/21 23:04:33 + [ssh.c] + debug->debug2 + - stevesk@cvs.openbsd.org 2002/11/24 21:46:24 + [ssh-keysign.8] + typo: "the the" + - wcobb@cvs.openbsd.org 2002/11/26 00:45:03 + [scp.c ssh-keygen.c] + Remove unnecessary fflush(stderr) calls, stderr is unbuffered by default. + ok markus@ + - stevesk@cvs.openbsd.org 2002/11/26 02:35:30 + [ssh-keygen.1] + remove outdated statement; ok markus@ deraadt@ + - stevesk@cvs.openbsd.org 2002/11/26 02:38:54 + [canohost.c] + KNF, comment and error message repair; ok markus@ + - markus@cvs.openbsd.org 2002/11/27 17:53:35 + [scp.c sftp.c ssh.c] + allow usernames with embedded '@', e.g. scp user@vhost@realhost:file /tmp; + http://bugzilla.mindrot.org/show_bug.cgi?id=447; ok mouring@, millert@ + - stevesk@cvs.openbsd.org 2002/12/04 04:36:47 + [session.c] + remove xauth entries before add; PR 2994 from janjaap@stack.nl. + ok markus@ + - markus@cvs.openbsd.org 2002/12/05 11:08:35 + [scp.c] + use roundup() similar to rcp/util.c and avoid problems with strange + filesystem block sizes, noted by tjr@freebsd.org; ok djm@ + - djm@cvs.openbsd.org 2002/12/06 05:20:02 + [sftp.1] + Fix cut'n'paste error, spotted by matthias.riese@b-novative.de; ok deraadt@ + - millert@cvs.openbsd.org 2002/12/09 16:50:30 + [ssh.c] + Avoid setting optind to 0 as GNU getopt treats that like we do optreset. + markus@ OK + - markus@cvs.openbsd.org 2002/12/10 08:56:00 + [session.c] + Make sure $SHELL points to the shell from the password file, even if shell + is overridden from login.conf; bug#453; semen at online.sinor.ru; ok millert@ + - markus@cvs.openbsd.org 2002/12/10 19:26:50 + [packet.c] + move tos handling to packet_set_tos; ok provos/henning/deraadt + - markus@cvs.openbsd.org 2002/12/10 19:47:14 + [packet.c] + static + - markus@cvs.openbsd.org 2002/12/13 10:03:15 + [channels.c misc.c sshconnect2.c] + cleanup debug messages, more useful information for the client user. + - markus@cvs.openbsd.org 2002/12/13 15:20:52 + [scp.c] + 1) include stalling time in total time + 2) truncate filenames to 45 instead of 20 characters + 3) print rate instead of progress bar, no more stars + 4) scale output to tty width + based on a patch from Niels; ok fries@ lebel@ fgs@ millert@ + - (bal) [msg.c msg.h scp.c ssh-keysign.c sshconnect2.c] Resync CVS IDs since + we already did s/msg_send/ssh_msg_send/ + +20021205 + - (djm) PERL-free fixpaths from stuge-openssh-unix-dev@cdy.org + +20021122 + - (tim) [configure.ac] fix STDPATH test for IRIX. First reported by + advax@triumf.ca. This type of solution tested by <herb@sgi.com> + +20021113 + - (tim) [configure.ac] remove unused variables no_libsocket and no_libnsl + +20021111 + - (tim) [contrib/solaris/opensshd.in] add umask 022 so sshd.pid is + not world writable. + +20021109 + - (bal) OpenBSD CVS Sync + - itojun@cvs.openbsd.org 2002/10/16 14:31:48 + [sftp-common.c] + 64bit pedant. %llu is "unsigned long long". markus ok + - markus@cvs.openbsd.org 2002/10/23 10:32:13 + [packet.c] + use %u for u_int + - markus@cvs.openbsd.org 2002/10/23 10:40:16 + [bufaux.c] + %u for u_int + - markus@cvs.openbsd.org 2002/11/04 10:07:53 + [auth.c] + don't compare against pw_home if realpath fails for pw_home (seen + on AFS); ok djm@ + - markus@cvs.openbsd.org 2002/11/04 10:09:51 + [packet.c] + log before send disconnect; ok djm@ + - markus@cvs.openbsd.org 2002/11/05 19:45:20 + [monitor.c] + handle overflows for size_t larger than u_int; siw@goneko.de, bug #425 + - markus@cvs.openbsd.org 2002/11/05 20:10:37 + [sftp-client.c] + typo; GaryF@livevault.com + - markus@cvs.openbsd.org 2002/11/07 16:28:47 + [sshd.c] + log to stderr if -ie is given, bug #414, prj@po.cwru.edu + - markus@cvs.openbsd.org 2002/11/07 22:08:07 + [readconf.c readconf.h ssh-keysign.8 ssh-keysign.c] + we cannot use HostbasedAuthentication for enabling ssh-keysign(8), + because HostbasedAuthentication might be enabled based on the + target host and ssh-keysign(8) does not know the remote hostname + and not trust ssh(1) about the hostname, so we add a new option + EnableSSHKeysign; ok djm@, report from zierke@informatik.uni-hamburg.de + - markus@cvs.openbsd.org 2002/11/07 22:35:38 + [scp.c] + check exit status from ssh, and exit(1) if ssh fails; bug#369; + binder@arago.de + - (bal) Update ssh-host-config and minor rewrite of bsd-cygwin_util.c + ntsec now default if cygwin version beginning w/ version 56. Patch + by Corinna Vinschen <vinschen@redhat.com> + - (bal) AIX does not log login attempts for unknown users (bug #432). + patch by dtucker@zip.com.au + +20021021 + - (djm) Bug #400: Kill ssh-rand-helper children on timeout, patch from + dtucker@zip.com.au + - (djm) Bug #317: FreeBSD needs libutil.h for openpty() Report from + dirk.meyer@dinoex.sub.org + +20021015 + - (bal) Fix bug id 383 and only call loginrestrict for AIX if not root. + - (bal) More advanced strsep test by Darren Tucker <dtucker@zip.com.au> + +20021015 + - (tim) [contrib/caldera/openssh.spec] make ssh-agent setgid nobody + +20021004 + - (bal) Disable post-authentication Privsep for OSF/1. It conflicts with + SIA. + 20021003 - (djm) OpenBSD CVS Sync - markus@cvs.openbsd.org 2002/10/01 20:34:12 @@ -7,7 +545,7 @@ [version.h] OpenSSH 3.5 - (djm) Bump RPM spec version numbers - - (djm) Bug #406 s/msg_send/ssh_msh_send/ for Mac OS X 1.2 + - (djm) Bug #406: s/msg_send/ssh_msg_send/ for Mac OS X 1.2 20020930 - (djm) Tidy contrib/, add Makefile for GNOME passphrase dialogs, @@ -757,4 +1295,4 @@ save auth method before monitor_reset_key_state(); bugzilla bug #284; ok provos@ -$Id: ChangeLog,v 1.2491.2.1 2002/10/03 05:45:53 djm Exp $ +$Id: ChangeLog,v 1.2648 2003/04/01 11:47:16 djm Exp $ diff --git a/crypto/openssh/Makefile.in b/crypto/openssh/Makefile.in index 89d02c9..6702eb9 100644 --- a/crypto/openssh/Makefile.in +++ b/crypto/openssh/Makefile.in @@ -1,4 +1,4 @@ -# $Id: Makefile.in,v 1.222 2002/07/14 17:02:21 tim Exp $ +# $Id: Makefile.in,v 1.228 2003/03/21 00:34:34 mouring Exp $ # uncomment if you run a non bourne compatable shell. Ie. csh #SHELL = @SH@ @@ -27,6 +27,7 @@ SSH_KEYSIGN=$(libexecdir)/ssh-keysign RAND_HELPER=$(libexecdir)/ssh-rand-helper PRIVSEP_PATH=@PRIVSEP_PATH@ SSH_PRIVSEP_USER=@SSH_PRIVSEP_USER@ +STRIP_OPT=@STRIP_OPT@ PATHS= -DSSHDIR=\"$(sysconfdir)\" \ -D_PATH_SSH_PROGRAM=\"$(SSH_PROGRAM)\" \ @@ -48,6 +49,7 @@ AR=@AR@ RANLIB=@RANLIB@ INSTALL=@INSTALL@ PERL=@PERL@ +SED=@SED@ ENT=@ENT@ XAUTH_PATH=@XAUTH_PATH@ LDFLAGS=-L. -Lopenbsd-compat/ @LDFLAGS@ @@ -56,15 +58,30 @@ EXEEXT=@EXEEXT@ INSTALL_SSH_PRNG_CMDS=@INSTALL_SSH_PRNG_CMDS@ INSTALL_SSH_RAND_HELPER=@INSTALL_SSH_RAND_HELPER@ -@NO_SFTP@SFTP_PROGS=sftp-server$(EXEEXT) sftp$(EXEEXT) - -TARGETS=ssh$(EXEEXT) sshd$(EXEEXT) ssh-add$(EXEEXT) ssh-keygen$(EXEEXT) ssh-keyscan${EXEEXT} ssh-keysign${EXEEXT} ssh-agent$(EXEEXT) scp$(EXEEXT) ssh-rand-helper${EXEEXT} $(SFTP_PROGS) - -LIBSSH_OBJS=atomicio.o authfd.o authfile.o bufaux.o buffer.o canohost.o channels.o cipher.o compat.o compress.o crc32.o deattack.o dh.o dispatch.o fatal.o mac.o msg.o hostfile.o key.o kex.o kexdh.o kexgex.o log.o match.o misc.o mpaux.o nchan.o packet.o radix.o rijndael.o entropy.o readpass.o rsa.o scard.o scard-opensc.o ssh-dss.o ssh-rsa.o tildexpand.o ttymodes.o uidswap.o uuencode.o xmalloc.o monitor_wrap.o monitor_fdpass.o - -SSHOBJS= ssh.o sshconnect.o sshconnect1.o sshconnect2.o sshtty.o readconf.o clientloop.o - -SSHDOBJS= sshd.o auth.o auth1.o auth2.o auth2-hostbased.o auth2-kbdint.o auth2-none.o auth2-passwd.o auth2-pubkey.o auth-chall.o auth2-chall.o auth-rhosts.o auth-options.o auth-krb4.o auth-krb5.o auth-pam.o auth2-pam.o auth-passwd.o auth-rsa.o auth-rh-rsa.o auth-sia.o sshpty.o sshlogin.o loginrec.o servconf.o serverloop.o md5crypt.o session.o groupaccess.o auth-skey.o auth-bsdauth.o monitor_mm.o monitor.o +TARGETS=ssh$(EXEEXT) sshd$(EXEEXT) ssh-add$(EXEEXT) ssh-keygen$(EXEEXT) ssh-keyscan${EXEEXT} ssh-keysign${EXEEXT} ssh-agent$(EXEEXT) scp$(EXEEXT) ssh-rand-helper${EXEEXT} sftp-server$(EXEEXT) sftp$(EXEEXT) + +LIBSSH_OBJS=authfd.o authfile.o bufaux.o buffer.o canohost.o channels.o \ + cipher.o compat.o compress.o crc32.o deattack.o fatal.o \ + hostfile.o log.o match.o mpaux.o nchan.o packet.o readpass.o \ + rsa.o tildexpand.o ttymodes.o xmalloc.o atomicio.o \ + key.o dispatch.o kex.o mac.o uuencode.o misc.o \ + rijndael.o ssh-dss.o ssh-rsa.o dh.o kexdh.o kexgex.o \ + kexdhc.o kexgexc.o scard.o msg.o progressmeter.o \ + entropy.o + +SSHOBJS= ssh.o readconf.o clientloop.o sshtty.o \ + sshconnect.o sshconnect1.o sshconnect2.o + +SSHDOBJS=sshd.o auth-rhosts.o auth-passwd.o auth-rsa.o auth-rh-rsa.o \ + sshpty.o sshlogin.o servconf.o serverloop.o uidswap.o \ + auth.o auth1.o auth2.o auth-options.o session.o \ + auth-chall.o auth2-chall.o groupaccess.o \ + auth-skey.o auth-bsdauth.o auth2-hostbased.o auth2-kbdint.o \ + auth2-none.o auth2-passwd.o auth2-pubkey.o \ + monitor_mm.o monitor.o monitor_wrap.o monitor_fdpass.o \ + kexdhs.o kexgexs.o \ + auth-krb5.o auth-krb4.o \ + loginrec.o auth-pam.o auth2-pam.o auth-sia.o md5crypt.o MANPAGES = scp.1.out ssh-add.1.out ssh-agent.1.out ssh-keygen.1.out ssh-keyscan.1.out ssh.1.out sshd.8.out sftp-server.8.out sftp.1.out ssh-rand-helper.8.out ssh-keysign.8.out sshd_config.5.out ssh_config.5.out MANPAGES_IN = scp.1 ssh-add.1 ssh-agent.1 ssh-keygen.1 ssh-keyscan.1 ssh.1 sshd.8 sftp-server.8 sftp.1 ssh-rand-helper.8 ssh-keysign.8 sshd_config.5 ssh_config.5 @@ -74,23 +91,23 @@ CONFIGFILES=sshd_config.out ssh_config.out moduli.out CONFIGFILES_IN=sshd_config ssh_config moduli PATHSUBS = \ - -D/etc/ssh/ssh_prng_cmds=$(sysconfdir)/ssh_prng_cmds \ - -D/etc/ssh/ssh_config=$(sysconfdir)/ssh_config \ - -D/etc/ssh/ssh_known_hosts=$(sysconfdir)/ssh_known_hosts \ - -D/etc/ssh/sshd_config=$(sysconfdir)/sshd_config \ - -D/usr/libexec=$(libexecdir) \ - -D/etc/shosts.equiv=$(sysconfdir)/shosts.equiv \ - -D/etc/ssh/ssh_host_key=$(sysconfdir)/ssh_host_key \ - -D/etc/ssh/ssh_host_dsa_key=$(sysconfdir)/ssh_host_dsa_key \ - -D/etc/ssh/ssh_host_rsa_key=$(sysconfdir)/ssh_host_rsa_key \ - -D/var/run/sshd.pid=$(piddir)/sshd.pid \ - -D/etc/ssh/moduli=$(sysconfdir)/moduli \ - -D/etc/ssh/sshrc=$(sysconfdir)/sshrc \ - -D/usr/X11R6/bin/xauth=$(XAUTH_PATH) \ - -D/var/empty=$(PRIVSEP_PATH) \ - -D/usr/bin:/bin:/usr/sbin:/sbin=@user_path@ - -FIXPATHSCMD = $(PERL) $(srcdir)/fixpaths $(PATHSUBS) + -e 's|/etc/ssh/ssh_prng_cmds|$(sysconfdir)/ssh_prng_cmds|g' \ + -e 's|/etc/ssh/ssh_config|$(sysconfdir)/ssh_config|g' \ + -e 's|/etc/ssh/ssh_known_hosts|$(sysconfdir)/ssh_known_hosts|g' \ + -e 's|/etc/ssh/sshd_config|$(sysconfdir)/sshd_config|g' \ + -e 's|/usr/libexec|$(libexecdir)|g' \ + -e 's|/etc/shosts.equiv|$(sysconfdir)/shosts.equiv|g' \ + -e 's|/etc/ssh/ssh_host_key|$(sysconfdir)/ssh_host_key|g' \ + -e 's|/etc/ssh/ssh_host_dsa_key|$(sysconfdir)/ssh_host_dsa_key|g' \ + -e 's|/etc/ssh/ssh_host_rsa_key|$(sysconfdir)/ssh_host_rsa_key|g' \ + -e 's|/var/run/sshd.pid|$(piddir)/sshd.pid|g' \ + -e 's|/etc/ssh/moduli|$(sysconfdir)/moduli|g' \ + -e 's|/etc/sshrc|$(sysconfdir)/sshrc|g' \ + -e 's|/usr/X11R6/bin/xauth|$(XAUTH_PATH)|g' \ + -e 's|/var/empty|$(PRIVSEP_PATH)|g' \ + -e 's|/usr/bin:/bin:/usr/sbin:/sbin|@user_path@|g' + +FIXPATHSCMD = $(SED) $(PATHSUBS) all: $(CONFIGFILES) $(MANPAGES) $(TARGETS) @@ -116,8 +133,8 @@ ssh$(EXEEXT): $(LIBCOMPAT) libssh.a $(SSHOBJS) sshd$(EXEEXT): libssh.a $(LIBCOMPAT) $(SSHDOBJS) $(LD) -o $@ $(SSHDOBJS) $(LDFLAGS) -lssh -lopenbsd-compat $(LIBWRAP) $(LIBPAM) $(LIBS) -scp$(EXEEXT): $(LIBCOMPAT) libssh.a scp.o - $(LD) -o $@ scp.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS) +scp$(EXEEXT): $(LIBCOMPAT) libssh.a scp.o progressmeter.o + $(LD) -o $@ scp.o progressmeter.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS) ssh-add$(EXEEXT): $(LIBCOMPAT) libssh.a ssh-add.o $(LD) -o $@ ssh-add.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS) @@ -137,8 +154,8 @@ ssh-keyscan$(EXEEXT): $(LIBCOMPAT) libssh.a ssh-keyscan.o sftp-server$(EXEEXT): $(LIBCOMPAT) libssh.a sftp.o sftp-common.o sftp-server.o $(LD) -o $@ sftp-server.o sftp-common.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS) -sftp$(EXEEXT): $(LIBCOMPAT) libssh.a sftp.o sftp-client.o sftp-int.o sftp-common.o sftp-glob.o - $(LD) -o $@ sftp.o sftp-client.o sftp-common.o sftp-int.o sftp-glob.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS) +sftp$(EXEEXT): $(LIBCOMPAT) libssh.a sftp.o sftp-client.o sftp-int.o sftp-common.o sftp-glob.o progressmeter.o + $(LD) -o $@ progressmeter.o sftp.o sftp-client.o sftp-common.o sftp-int.o sftp-glob.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS) ssh-rand-helper${EXEEXT}: $(LIBCOMPAT) libssh.a ssh-rand-helper.o $(LD) -o $@ ssh-rand-helper.o $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS) @@ -217,19 +234,19 @@ install-files: scard-install $(srcdir)/mkinstalldirs $(DESTDIR)$(mandir)/$(mansubdir)8 $(srcdir)/mkinstalldirs $(DESTDIR)$(libexecdir) (umask 022 ; $(srcdir)/mkinstalldirs $(DESTDIR)$(PRIVSEP_PATH)) - $(INSTALL) -m 0755 -s ssh $(DESTDIR)$(bindir)/ssh - $(INSTALL) -m 0755 -s scp $(DESTDIR)$(bindir)/scp - $(INSTALL) -m 0755 -s ssh-add $(DESTDIR)$(bindir)/ssh-add - $(INSTALL) -m 0755 -s ssh-agent $(DESTDIR)$(bindir)/ssh-agent - $(INSTALL) -m 0755 -s ssh-keygen $(DESTDIR)$(bindir)/ssh-keygen - $(INSTALL) -m 0755 -s ssh-keyscan $(DESTDIR)$(bindir)/ssh-keyscan - $(INSTALL) -m 0755 -s sshd $(DESTDIR)$(sbindir)/sshd + $(INSTALL) -m 0755 $(STRIP_OPT) ssh $(DESTDIR)$(bindir)/ssh + $(INSTALL) -m 0755 $(STRIP_OPT) scp $(DESTDIR)$(bindir)/scp + $(INSTALL) -m 0755 $(STRIP_OPT) ssh-add $(DESTDIR)$(bindir)/ssh-add + $(INSTALL) -m 0755 $(STRIP_OPT) ssh-agent $(DESTDIR)$(bindir)/ssh-agent + $(INSTALL) -m 0755 $(STRIP_OPT) ssh-keygen $(DESTDIR)$(bindir)/ssh-keygen + $(INSTALL) -m 0755 $(STRIP_OPT) ssh-keyscan $(DESTDIR)$(bindir)/ssh-keyscan + $(INSTALL) -m 0755 $(STRIP_OPT) sshd $(DESTDIR)$(sbindir)/sshd if test ! -z "$(INSTALL_SSH_RAND_HELPER)" ; then \ - $(INSTALL) -m 0755 -s ssh-rand-helper $(DESTDIR)$(libexecdir)/ssh-rand-helper ; \ + $(INSTALL) -m 0755 $(STRIP_OPT) ssh-rand-helper $(DESTDIR)$(libexecdir)/ssh-rand-helper ; \ fi - $(INSTALL) -m 4711 -s ssh-keysign $(DESTDIR)$(SSH_KEYSIGN) - @NO_SFTP@$(INSTALL) -m 0755 -s sftp $(DESTDIR)$(bindir)/sftp - @NO_SFTP@$(INSTALL) -m 0755 -s sftp-server $(DESTDIR)$(SFTP_SERVER) + $(INSTALL) -m 4711 $(STRIP_OPT) ssh-keysign $(DESTDIR)$(SSH_KEYSIGN) + $(INSTALL) -m 0755 $(STRIP_OPT) sftp $(DESTDIR)$(bindir)/sftp + $(INSTALL) -m 0755 $(STRIP_OPT) sftp-server $(DESTDIR)$(SFTP_SERVER) $(INSTALL) -m 644 ssh.1.out $(DESTDIR)$(mandir)/$(mansubdir)1/ssh.1 $(INSTALL) -m 644 scp.1.out $(DESTDIR)$(mandir)/$(mansubdir)1/scp.1 $(INSTALL) -m 644 ssh-add.1.out $(DESTDIR)$(mandir)/$(mansubdir)1/ssh-add.1 @@ -242,8 +259,8 @@ install-files: scard-install if [ ! -z "$(INSTALL_SSH_RAND_HELPER)" ]; then \ $(INSTALL) -m 644 ssh-rand-helper.8.out $(DESTDIR)$(mandir)/$(mansubdir)8/ssh-rand-helper.8 ; \ fi - @NO_SFTP@$(INSTALL) -m 644 sftp.1.out $(DESTDIR)$(mandir)/$(mansubdir)1/sftp.1 - @NO_SFTP@$(INSTALL) -m 644 sftp-server.8.out $(DESTDIR)$(mandir)/$(mansubdir)8/sftp-server.8 + $(INSTALL) -m 644 sftp.1.out $(DESTDIR)$(mandir)/$(mansubdir)1/sftp.1 + $(INSTALL) -m 644 sftp-server.8.out $(DESTDIR)$(mandir)/$(mansubdir)8/sftp-server.8 $(INSTALL) -m 644 ssh-keysign.8.out $(DESTDIR)$(mandir)/$(mansubdir)8/ssh-keysign.8 -rm -f $(DESTDIR)$(bindir)/slogin ln -s ./ssh$(EXEEXT) $(DESTDIR)$(bindir)/slogin diff --git a/crypto/openssh/README b/crypto/openssh/README index 3c54c47..5709fbe 100644 --- a/crypto/openssh/README +++ b/crypto/openssh/README @@ -15,8 +15,8 @@ and Dug Song. It has a homepage at http://www.openssh.com/ This port consists of the re-introduction of autoconf support, PAM support (for Linux and Solaris), EGD[1]/PRNGD[2] support and replacements for OpenBSD library functions that are (regrettably) absent from other -unices. This port has been best tested on Linux, Solaris, HP-UX, NetBSD -and Irix. Support for AIX, SCO, NeXT and other Unices is underway. +unices. This port has been best tested on Linux, Solaris, HP-UX, NetBSD, +Irix and AIX. Support for SCO, NeXT and other Unices is underway. This version actively tracks changes in the OpenBSD CVS repository. The PAM support is now more functional than the popular packages of @@ -63,4 +63,4 @@ References - [6] http://www.openbsd.org/cgi-bin/man.cgi?query=style&sektion=9 [7] http://www.openssh.com/faq.html -$Id: README,v 1.50 2001/12/24 03:17:21 djm Exp $ +$Id: README,v 1.51 2003/01/08 12:28:40 djm Exp $ diff --git a/crypto/openssh/README.privsep b/crypto/openssh/README.privsep index ced943f..e8bf1db 100644 --- a/crypto/openssh/README.privsep +++ b/crypto/openssh/README.privsep @@ -43,6 +43,10 @@ It does not function on HP-UX with a trusted system configuration. PAMAuthenticationViaKbdInt does not function with privsep. +On Compaq Tru64 Unix, only the pre-authentication part of privsep is +supported. Post-authentication privsep is disabled automatically (so +you won't see the additional process mentioned below). + Note that for a normal interactive login with a shell, enabling privsep will require 1 additional process per login session. @@ -58,4 +62,4 @@ process 1005 is the sshd process listening for new connections. process 6917 is the privileged monitor process, 6919 is the user owned sshd process and 6921 is the shell process. -$Id: README.privsep,v 1.10 2002/06/26 00:43:57 stevesk Exp $ +$Id: README.privsep,v 1.11 2003/03/21 01:18:09 mouring Exp $ diff --git a/crypto/openssh/TODO b/crypto/openssh/TODO index f667d59..de83000 100644 --- a/crypto/openssh/TODO +++ b/crypto/openssh/TODO @@ -13,7 +13,7 @@ Programming: - Write a test program that calls stat() to search for EGD/PRNGd socket rather than use the (non-portable) "test -S". -- Replacement for setproctitle() - HP-UX support only currently +- More platforms for for setproctitle() emulation (testing needed) - Handle changing passwords for the non-PAM expired password case @@ -101,6 +101,7 @@ Clean up configure/makefiles: (vinschen@redhat.com) - Replace the whole u_intXX_t evilness in acconfig.h with something better??? + - Do it in configure.ac - Consider splitting the u_intXX_t test for sys/bitype.h into seperate test to allow people to (right/wrongfully) link against Bind directly. @@ -133,4 +134,4 @@ PrivSep Issues: - Cygwin + Privsep for Pre-auth only (no fd passing) -$Id: TODO,v 1.51 2002/09/05 06:32:03 djm Exp $ +$Id: TODO,v 1.53 2003/01/12 23:00:34 djm Exp $ diff --git a/crypto/openssh/acconfig.h b/crypto/openssh/acconfig.h index 3e058f3..b6e4b37 100644 --- a/crypto/openssh/acconfig.h +++ b/crypto/openssh/acconfig.h @@ -1,4 +1,4 @@ -/* $Id: acconfig.h,v 1.145 2002/09/26 00:38:48 tim Exp $ */ +/* $Id: acconfig.h,v 1.149 2003/03/10 00:38:10 djm Exp $ */ #ifndef _CONFIG_H #define _CONFIG_H @@ -364,6 +364,19 @@ /* Define if your platform needs to skip post auth file descriptor passing */ #undef DISABLE_FD_PASSING +/* Silly mkstemp() */ +#undef HAVE_STRICT_MKSTEMP + +/* Setproctitle emulation */ +#undef SETPROCTITLE_STRATEGY +#undef SETPROCTITLE_PS_PADDING + +/* Some systems put this outside of libc */ +#undef HAVE_NANOSLEEP + +/* Pushing STREAMS modules incorrectly acquires a controlling TTY */ +#undef STREAMS_PUSH_ACQUIRES_CTTY + @BOTTOM@ /* ******************* Shouldn't need to edit below this line ************** */ diff --git a/crypto/openssh/auth-krb4.c b/crypto/openssh/auth-krb4.c index b86ce7e..b28df46 100644 --- a/crypto/openssh/auth-krb4.c +++ b/crypto/openssh/auth-krb4.c @@ -23,7 +23,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: auth-krb4.c,v 1.28 2002/09/26 11:38:43 markus Exp $"); +RCSID("$OpenBSD: auth-krb4.c,v 1.29 2003/02/21 10:34:48 mpech Exp $"); #include "ssh.h" #include "ssh1.h" @@ -271,7 +271,7 @@ auth_krb4(Authctxt *authctxt, KTEXT auth, char **client, KTEXT reply) reply->length = r; /* Clear session key. */ - memset(&adat.session, 0, sizeof(&adat.session)); + memset(&adat.session, 0, sizeof(adat.session)); return (1); } #endif /* KRB4 */ diff --git a/crypto/openssh/auth-krb5.c b/crypto/openssh/auth-krb5.c index 5278b56..c1a0069 100644 --- a/crypto/openssh/auth-krb5.c +++ b/crypto/openssh/auth-krb5.c @@ -28,7 +28,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: auth-krb5.c,v 1.9 2002/09/09 06:48:06 itojun Exp $"); +RCSID("$OpenBSD: auth-krb5.c,v 1.10 2002/11/21 23:03:51 deraadt Exp $"); #include "ssh.h" #include "ssh1.h" @@ -107,7 +107,7 @@ auth_krb5(Authctxt *authctxt, krb5_data *auth, char **client, krb5_data *reply) if (problem) goto err; - problem = krb5_sname_to_principal(authctxt->krb5_ctx, NULL, NULL , + problem = krb5_sname_to_principal(authctxt->krb5_ctx, NULL, NULL, KRB5_NT_SRV_HST, &server); if (problem) goto err; diff --git a/crypto/openssh/auth-pam.c b/crypto/openssh/auth-pam.c index 99b03f4..fe9570f 100644 --- a/crypto/openssh/auth-pam.c +++ b/crypto/openssh/auth-pam.c @@ -38,7 +38,7 @@ extern char *__progname; extern int use_privsep; -RCSID("$Id: auth-pam.c,v 1.54 2002/07/28 20:24:08 stevesk Exp $"); +RCSID("$Id: auth-pam.c,v 1.55 2003/01/22 04:42:26 djm Exp $"); #define NEW_AUTHTOK_MSG \ "Warning: Your password has expired, please change it now." @@ -210,14 +210,6 @@ int auth_pam_password(Authctxt *authctxt, const char *password) do_pam_set_conv(&conv); - /* deny if no user. */ - if (pw == NULL) - return 0; - if (pw->pw_uid == 0 && options.permit_root_login == PERMIT_NO_PASSWD) - return 0; - if (*password == '\0' && options.permit_empty_passwd == 0) - return 0; - __pampasswd = password; pamstate = INITIAL_LOGIN; diff --git a/crypto/openssh/auth-passwd.c b/crypto/openssh/auth-passwd.c index 185db7d..9901d48 100644 --- a/crypto/openssh/auth-passwd.c +++ b/crypto/openssh/auth-passwd.c @@ -92,33 +92,26 @@ extern char *aixloginmsg; int auth_password(Authctxt *authctxt, const char *password) { -#if defined(USE_PAM) - if (*password == '\0' && options.permit_empty_passwd == 0) - return 0; - return auth_pam_password(authctxt, password); -#elif defined(HAVE_OSF_SIA) - if (*password == '\0' && options.permit_empty_passwd == 0) - return 0; - return auth_sia_password(authctxt, password); -#else struct passwd * pw = authctxt->pw; +#if !defined(USE_PAM) && !defined(HAVE_OSF_SIA) char *encrypted_password; char *pw_password; char *salt; -#if defined(__hpux) || defined(HAVE_SECUREWARE) +# if defined(__hpux) || defined(HAVE_SECUREWARE) struct pr_passwd *spw; -#endif /* __hpux || HAVE_SECUREWARE */ -#if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW) +# endif /* __hpux || HAVE_SECUREWARE */ +# if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW) struct spwd *spw; -#endif -#if defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW) +# endif +# if defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW) struct passwd_adjunct *spw; -#endif -#ifdef WITH_AIXAUTHENTICATE +# endif +# ifdef WITH_AIXAUTHENTICATE char *authmsg; int authsuccess; int reenter = 1; -#endif +# endif +#endif /* !defined(USE_PAM) && !defined(HAVE_OSF_SIA) */ /* deny if no user. */ if (pw == NULL) @@ -129,15 +122,21 @@ auth_password(Authctxt *authctxt, const char *password) #endif if (*password == '\0' && options.permit_empty_passwd == 0) return 0; -#ifdef KRB5 + +#if defined(USE_PAM) + return auth_pam_password(authctxt, password); +#elif defined(HAVE_OSF_SIA) + return auth_sia_password(authctxt, password); +#else +# ifdef KRB5 if (options.kerberos_authentication == 1) { int ret = auth_krb5_password(authctxt, password); if (ret == 1 || ret == 0) return ret; /* Fall back to ordinary passwd authentication. */ } -#endif -#ifdef HAVE_CYGWIN +# endif +# ifdef HAVE_CYGWIN if (is_winnt) { HANDLE hToken = cygwin_logon_user(pw, password); @@ -146,8 +145,8 @@ auth_password(Authctxt *authctxt, const char *password) cygwin_set_impersonation_token(hToken); return 1; } -#endif -#ifdef WITH_AIXAUTHENTICATE +# endif +# ifdef WITH_AIXAUTHENTICATE authsuccess = (authenticate(pw->pw_name,password,&reenter,&authmsg) == 0); if (authsuccess) @@ -158,47 +157,47 @@ auth_password(Authctxt *authctxt, const char *password) aixloginmsg = NULL; return(authsuccess); -#endif -#ifdef KRB4 +# endif +# ifdef KRB4 if (options.kerberos_authentication == 1) { int ret = auth_krb4_password(authctxt, password); if (ret == 1 || ret == 0) return ret; /* Fall back to ordinary passwd authentication. */ } -#endif -#ifdef BSD_AUTH +# endif +# ifdef BSD_AUTH if (auth_userokay(pw->pw_name, authctxt->style, "auth-ssh", (char *)password) == 0) return 0; else return 1; -#endif +# endif pw_password = pw->pw_passwd; /* * Various interfaces to shadow or protected password data */ -#if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW) +# if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW) spw = getspnam(pw->pw_name); if (spw != NULL) pw_password = spw->sp_pwdp; -#endif /* defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW) */ +# endif /* defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW) */ -#if defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW) +# if defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW) if (issecure() && (spw = getpwanam(pw->pw_name)) != NULL) pw_password = spw->pwa_passwd; -#endif /* defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW) */ +# endif /* defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW) */ -#ifdef HAVE_SECUREWARE +# ifdef HAVE_SECUREWARE if ((spw = getprpwnam(pw->pw_name)) != NULL) pw_password = spw->ufld.fd_encrypt; -#endif /* HAVE_SECUREWARE */ +# endif /* HAVE_SECUREWARE */ -#if defined(__hpux) && !defined(HAVE_SECUREWARE) +# if defined(__hpux) && !defined(HAVE_SECUREWARE) if (iscomsec() && (spw = getprpwnam(pw->pw_name)) != NULL) pw_password = spw->ufld.fd_encrypt; -#endif /* defined(__hpux) && !defined(HAVE_SECUREWARE) */ +# endif /* defined(__hpux) && !defined(HAVE_SECUREWARE) */ /* Check for users with no password. */ if ((password[0] == '\0') && (pw_password[0] == '\0')) @@ -209,25 +208,25 @@ auth_password(Authctxt *authctxt, const char *password) else salt = "xx"; -#ifdef HAVE_MD5_PASSWORDS +# ifdef HAVE_MD5_PASSWORDS if (is_md5_salt(salt)) encrypted_password = md5_crypt(password, salt); else encrypted_password = crypt(password, salt); -#else /* HAVE_MD5_PASSWORDS */ -# if defined(__hpux) && !defined(HAVE_SECUREWARE) +# else /* HAVE_MD5_PASSWORDS */ +# if defined(__hpux) && !defined(HAVE_SECUREWARE) if (iscomsec()) encrypted_password = bigcrypt(password, salt); else encrypted_password = crypt(password, salt); -# else -# ifdef HAVE_SECUREWARE - encrypted_password = bigcrypt(password, salt); # else +# ifdef HAVE_SECUREWARE + encrypted_password = bigcrypt(password, salt); +# else encrypted_password = crypt(password, salt); -# endif /* HAVE_SECUREWARE */ -# endif /* __hpux && !defined(HAVE_SECUREWARE) */ -#endif /* HAVE_MD5_PASSWORDS */ +# endif /* HAVE_SECUREWARE */ +# endif /* __hpux && !defined(HAVE_SECUREWARE) */ +# endif /* HAVE_MD5_PASSWORDS */ /* Authentication is accepted if the encrypted passwords are identical. */ return (strcmp(encrypted_password, pw_password) == 0); diff --git a/crypto/openssh/auth-sia.c b/crypto/openssh/auth-sia.c index 58b17c1..5c9b3f5 100644 --- a/crypto/openssh/auth-sia.c +++ b/crypto/openssh/auth-sia.c @@ -45,27 +45,25 @@ extern ServerOptions options; extern int saved_argc; extern char **saved_argv; -extern int errno; - int auth_sia_password(Authctxt *authctxt, char *pass) { int ret; SIAENTITY *ent = NULL; const char *host; - char *user = authctxt->user; host = get_canonical_hostname(options.verify_reverse_mapping); - if (!user || !pass || pass[0] == '\0') + if (!authctxt->user || !pass || pass[0] == '\0') return(0); - if (sia_ses_init(&ent, saved_argc, saved_argv, host, user, NULL, 0, - NULL) != SIASUCCESS) + if (sia_ses_init(&ent, saved_argc, saved_argv, host, authctxt->user, + NULL, 0, NULL) != SIASUCCESS) return(0); if ((ret = sia_ses_authent(NULL, pass, ent)) != SIASUCCESS) { - error("Couldn't authenticate %s from %s", user, host); + error("Couldn't authenticate %s from %s", authctxt->user, + host); if (ret & SIASTOP) sia_ses_release(&ent); return(0); @@ -77,48 +75,35 @@ auth_sia_password(Authctxt *authctxt, char *pass) } void -session_setup_sia(char *user, char *tty) +session_setup_sia(struct passwd *pw, char *tty) { - struct passwd *pw; SIAENTITY *ent = NULL; const char *host; - host = get_canonical_hostname (options.verify_reverse_mapping); + host = get_canonical_hostname(options.verify_reverse_mapping); - if (sia_ses_init(&ent, saved_argc, saved_argv, host, user, tty, 0, - NULL) != SIASUCCESS) { + if (sia_ses_init(&ent, saved_argc, saved_argv, host, pw->pw_name, tty, + 0, NULL) != SIASUCCESS) fatal("sia_ses_init failed"); - } - if ((pw = getpwnam(user)) == NULL) { - sia_ses_release(&ent); - fatal("getpwnam: no user: %s", user); - } if (sia_make_entity_pwd(pw, ent) != SIASUCCESS) { sia_ses_release(&ent); fatal("sia_make_entity_pwd failed"); } ent->authtype = SIA_A_NONE; - if (sia_ses_estab(sia_collect_trm, ent) != SIASUCCESS) { - fatal("Couldn't establish session for %s from %s", user, - host); - } - - if (setpriority(PRIO_PROCESS, 0, 0) == -1) { - sia_ses_release(&ent); - fatal("setpriority: %s", strerror (errno)); - } + if (sia_ses_estab(sia_collect_trm, ent) != SIASUCCESS) + fatal("Couldn't establish session for %s from %s", + pw->pw_name, host); - if (sia_ses_launch(sia_collect_trm, ent) != SIASUCCESS) { - fatal("Couldn't launch session for %s from %s", user, host); - } + if (sia_ses_launch(sia_collect_trm, ent) != SIASUCCESS) + fatal("Couldn't launch session for %s from %s", pw->pw_name, + host); sia_ses_release(&ent); - if (setreuid(geteuid(), geteuid()) < 0) { + if (setreuid(geteuid(), geteuid()) < 0) fatal("setreuid: %s", strerror(errno)); - } } #endif /* HAVE_OSF_SIA */ diff --git a/crypto/openssh/auth-sia.h b/crypto/openssh/auth-sia.h index caa5841..7aecce9 100644 --- a/crypto/openssh/auth-sia.h +++ b/crypto/openssh/auth-sia.h @@ -27,6 +27,6 @@ #ifdef HAVE_OSF_SIA int auth_sia_password(Authctxt *authctxt, char *pass); -void session_setup_sia(char *user, char *tty); +void session_setup_sia(struct passwd *pw, char *tty); #endif /* HAVE_OSF_SIA */ diff --git a/crypto/openssh/auth.c b/crypto/openssh/auth.c index 48720da..1268acc 100644 --- a/crypto/openssh/auth.c +++ b/crypto/openssh/auth.c @@ -23,7 +23,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: auth.c,v 1.45 2002/09/20 18:41:29 stevesk Exp $"); +RCSID("$OpenBSD: auth.c,v 1.46 2002/11/04 10:07:53 markus Exp $"); #ifdef HAVE_LOGIN_H #include <login.h> @@ -79,17 +79,20 @@ allowed_user(struct passwd * pw) char *loginmsg; #endif /* WITH_AIXAUTHENTICATE */ #if !defined(USE_PAM) && defined(HAVE_SHADOW_H) && \ - !defined(DISABLE_SHADOW) && defined(HAS_SHADOW_EXPIRE) + !defined(DISABLE_SHADOW) && defined(HAS_SHADOW_EXPIRE) struct spwd *spw; + time_t today; +#endif /* Shouldn't be called if pw is NULL, but better safe than sorry... */ if (!pw || !pw->pw_name) return 0; +#if !defined(USE_PAM) && defined(HAVE_SHADOW_H) && \ + !defined(DISABLE_SHADOW) && defined(HAS_SHADOW_EXPIRE) #define DAY (24L * 60 * 60) /* 1 day in seconds */ - spw = getspnam(pw->pw_name); - if (spw != NULL) { - time_t today = time(NULL) / DAY; + if ((spw = getspnam(pw->pw_name)) != NULL) { + today = time(NULL) / DAY; debug3("allowed_user: today %d sp_expire %d sp_lstchg %d" " sp_max %d", (int)today, (int)spw->sp_expire, (int)spw->sp_lstchg, (int)spw->sp_max); @@ -116,10 +119,6 @@ allowed_user(struct passwd * pw) return 0; } } -#else - /* Shouldn't be called if pw is NULL, but better safe than sorry... */ - if (!pw || !pw->pw_name) - return 0; #endif /* @@ -202,7 +201,15 @@ allowed_user(struct passwd * pw) } #ifdef WITH_AIXAUTHENTICATE - if (loginrestrictions(pw->pw_name, S_RLOGIN, NULL, &loginmsg) != 0) { + /* + * Don't check loginrestrictions() for root account (use + * PermitRootLogin to control logins via ssh), or if running as + * non-root user (since loginrestrictions will always fail). + */ + if ((pw->pw_uid != 0) && (geteuid() == 0) && + loginrestrictions(pw->pw_name, S_RLOGIN, NULL, &loginmsg) != 0) { + int loginrestrict_errno = errno; + if (loginmsg && *loginmsg) { /* Remove embedded newlines (if any) */ char *p; @@ -212,9 +219,13 @@ allowed_user(struct passwd * pw) } /* Remove trailing newline */ *--p = '\0'; - log("Login restricted for %s: %.100s", pw->pw_name, loginmsg); + log("Login restricted for %s: %.100s", pw->pw_name, + loginmsg); } - return 0; + /* Don't fail if /etc/nologin set */ + if (!(loginrestrict_errno == EPERM && + stat(_PATH_NOLOGIN, &st) == 0)) + return 0; } #endif /* WITH_AIXAUTHENTICATE */ @@ -417,6 +428,7 @@ secure_filename(FILE *f, const char *file, struct passwd *pw, uid_t uid = pw->pw_uid; char buf[MAXPATHLEN], homedir[MAXPATHLEN]; char *cp; + int comparehome = 0; struct stat st; if (realpath(file, buf) == NULL) { @@ -424,11 +436,8 @@ secure_filename(FILE *f, const char *file, struct passwd *pw, strerror(errno)); return -1; } - if (realpath(pw->pw_dir, homedir) == NULL) { - snprintf(err, errlen, "realpath %s failed: %s", pw->pw_dir, - strerror(errno)); - return -1; - } + if (realpath(pw->pw_dir, homedir) != NULL) + comparehome = 1; /* check the open file to avoid races */ if (fstat(fileno(f), &st) < 0 || @@ -457,7 +466,7 @@ secure_filename(FILE *f, const char *file, struct passwd *pw, } /* If are passed the homedir then we can stop */ - if (strcmp(homedir, buf) == 0) { + if (comparehome && strcmp(homedir, buf) == 0) { debug3("secure_filename: terminating check at '%s'", buf); break; @@ -487,6 +496,11 @@ getpwnamallow(const char *user) if (pw == NULL) { log("Illegal user %.100s from %.100s", user, get_remote_ipaddr()); +#ifdef WITH_AIXAUTHENTICATE + loginfailed(user, + get_canonical_hostname(options.verify_reverse_mapping), + "ssh"); +#endif return (NULL); } if (!allowed_user(pw)) diff --git a/crypto/openssh/auth1.c b/crypto/openssh/auth1.c index 9527ba0..c273f2f 100644 --- a/crypto/openssh/auth1.c +++ b/crypto/openssh/auth1.c @@ -10,7 +10,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: auth1.c,v 1.44 2002/09/26 11:38:43 markus Exp $"); +RCSID("$OpenBSD: auth1.c,v 1.47 2003/02/06 21:22:42 markus Exp $"); #include "xmalloc.h" #include "rsa.h" @@ -150,7 +150,7 @@ do_authloop(Authctxt *authctxt) snprintf(info, sizeof(info), " tktuser %.100s", client_user); - + /* Send response to client */ packet_start( SSH_SMSG_AUTH_KERBEROS_RESPONSE); @@ -285,7 +285,6 @@ do_authloop(Authctxt *authctxt) debug("rcvd SSH_CMSG_AUTH_TIS_RESPONSE"); if (options.challenge_response_authentication == 1) { char *response = packet_get_string(&dlen); - debug("got response '%s'", response); packet_check_eom(); authenticated = verify_response(authctxt, response); memset(response, 'r', dlen); @@ -329,8 +328,7 @@ do_authloop(Authctxt *authctxt) } #else /* Special handling for root */ - if (!use_privsep && - authenticated && authctxt->pw->pw_uid == 0 && + if (authenticated && authctxt->pw->pw_uid == 0 && !auth_root_allowed(get_authname(type))) authenticated = 0; #endif diff --git a/crypto/openssh/auth2-pam.c b/crypto/openssh/auth2-pam.c index a2daf96..ac28fb2 100644 --- a/crypto/openssh/auth2-pam.c +++ b/crypto/openssh/auth2-pam.c @@ -1,5 +1,5 @@ #include "includes.h" -RCSID("$Id: auth2-pam.c,v 1.14 2002/06/28 16:48:12 mouring Exp $"); +RCSID("$Id: auth2-pam.c,v 1.15 2003/01/08 01:37:03 djm Exp $"); #ifdef USE_PAM #include <security/pam_appl.h> @@ -154,8 +154,7 @@ input_userauth_info_response_pam(int type, u_int32_t seqnr, void *ctxt) resp = packet_get_string(&rlen); context_pam2.responses[j].resp_retcode = PAM_SUCCESS; - context_pam2.responses[j].resp = xstrdup(resp); - xfree(resp); + context_pam2.responses[j].resp = resp; context_pam2.num_received++; } diff --git a/crypto/openssh/auth2.c b/crypto/openssh/auth2.c index 17c5855..1b21eb2 100644 --- a/crypto/openssh/auth2.c +++ b/crypto/openssh/auth2.c @@ -23,7 +23,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: auth2.c,v 1.95 2002/08/22 21:33:58 markus Exp $"); +RCSID("$OpenBSD: auth2.c,v 1.96 2003/02/06 21:22:43 markus Exp $"); #include "ssh2.h" #include "xmalloc.h" @@ -205,8 +205,7 @@ userauth_finish(Authctxt *authctxt, int authenticated, char *method) authctxt->user); /* Special handling for root */ - if (!use_privsep && - authenticated && authctxt->pw->pw_uid == 0 && + if (authenticated && authctxt->pw->pw_uid == 0 && !auth_root_allowed(method)) authenticated = 0; diff --git a/crypto/openssh/authfd.c b/crypto/openssh/authfd.c index f04e085..a186e01 100644 --- a/crypto/openssh/authfd.c +++ b/crypto/openssh/authfd.c @@ -35,7 +35,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: authfd.c,v 1.57 2002/09/11 18:27:26 stevesk Exp $"); +RCSID("$OpenBSD: authfd.c,v 1.58 2003/01/23 13:50:27 markus Exp $"); #include <openssl/evp.h> @@ -499,10 +499,10 @@ ssh_encode_identity_ssh2(Buffer *b, Key *key, const char *comment) int ssh_add_identity_constrained(AuthenticationConnection *auth, Key *key, - const char *comment, u_int life) + const char *comment, u_int life, u_int confirm) { Buffer msg; - int type, constrained = (life != 0); + int type, constrained = (life || confirm); buffer_init(&msg); @@ -532,6 +532,8 @@ ssh_add_identity_constrained(AuthenticationConnection *auth, Key *key, buffer_put_char(&msg, SSH_AGENT_CONSTRAIN_LIFETIME); buffer_put_int(&msg, life); } + if (confirm != 0) + buffer_put_char(&msg, SSH_AGENT_CONSTRAIN_CONFIRM); } if (ssh_request_reply(auth, &msg, &msg) == 0) { buffer_free(&msg); @@ -545,7 +547,7 @@ ssh_add_identity_constrained(AuthenticationConnection *auth, Key *key, int ssh_add_identity(AuthenticationConnection *auth, Key *key, const char *comment) { - return ssh_add_identity_constrained(auth, key, comment, 0); + return ssh_add_identity_constrained(auth, key, comment, 0, 0); } /* diff --git a/crypto/openssh/authfd.h b/crypto/openssh/authfd.h index 38ee49e..2a8751e 100644 --- a/crypto/openssh/authfd.h +++ b/crypto/openssh/authfd.h @@ -1,4 +1,4 @@ -/* $OpenBSD: authfd.h,v 1.31 2002/09/11 18:27:25 stevesk Exp $ */ +/* $OpenBSD: authfd.h,v 1.32 2003/01/23 13:50:27 markus Exp $ */ /* * Author: Tatu Ylonen <ylo@cs.hut.fi> @@ -51,6 +51,7 @@ #define SSH2_AGENTC_ADD_ID_CONSTRAINED 25 #define SSH_AGENT_CONSTRAIN_LIFETIME 1 +#define SSH_AGENT_CONSTRAIN_CONFIRM 2 /* extended failure messages */ #define SSH2_AGENT_FAILURE 30 @@ -76,7 +77,8 @@ int ssh_get_num_identities(AuthenticationConnection *, int); Key *ssh_get_first_identity(AuthenticationConnection *, char **, int); Key *ssh_get_next_identity(AuthenticationConnection *, char **, int); int ssh_add_identity(AuthenticationConnection *, Key *, const char *); -int ssh_add_identity_constrained(AuthenticationConnection *, Key *, const char *, u_int); +int ssh_add_identity_constrained(AuthenticationConnection *, Key *, + const char *, u_int, u_int); int ssh_remove_identity(AuthenticationConnection *, Key *); int ssh_remove_all_identities(AuthenticationConnection *, int); int ssh_lock_agent(AuthenticationConnection *, int, const char *); diff --git a/crypto/openssh/authfile.c b/crypto/openssh/authfile.c index 1fa5d81..90618ef 100644 --- a/crypto/openssh/authfile.c +++ b/crypto/openssh/authfile.c @@ -36,7 +36,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: authfile.c,v 1.50 2002/06/24 14:55:38 markus Exp $"); +RCSID("$OpenBSD: authfile.c,v 1.52 2003/03/13 11:42:18 markus Exp $"); #include <openssl/err.h> #include <openssl/evp.h> @@ -232,12 +232,17 @@ key_load_public_rsa1(int fd, const char *filename, char **commentp) { Buffer buffer; Key *pub; + struct stat st; char *cp; int i; off_t len; - len = lseek(fd, (off_t) 0, SEEK_END); - lseek(fd, (off_t) 0, SEEK_SET); + if (fstat(fd, &st) < 0) { + error("fstat for key file %.200s failed: %.100s", + filename, strerror(errno)); + return NULL; + } + len = st.st_size; buffer_init(&buffer); cp = buffer_append_space(&buffer, len); @@ -318,9 +323,15 @@ key_load_private_rsa1(int fd, const char *filename, const char *passphrase, CipherContext ciphercontext; Cipher *cipher; Key *prv = NULL; + struct stat st; - len = lseek(fd, (off_t) 0, SEEK_END); - lseek(fd, (off_t) 0, SEEK_SET); + if (fstat(fd, &st) < 0) { + error("fstat for key file %.200s failed: %.100s", + filename, strerror(errno)); + close(fd); + return NULL; + } + len = st.st_size; buffer_init(&buffer); cp = buffer_append_space(&buffer, len); @@ -410,6 +421,12 @@ key_load_private_rsa1(int fd, const char *filename, const char *passphrase, rsa_generate_additional_parameters(prv->rsa); buffer_free(&decrypted); + + /* enable blinding */ + if (RSA_blinding_on(prv->rsa, NULL) != 1) { + error("key_load_private_rsa1: RSA_blinding_on failed"); + goto fail; + } close(fd); return prv; @@ -449,6 +466,11 @@ key_load_private_pem(int fd, int type, const char *passphrase, #ifdef DEBUG_PK RSA_print_fp(stderr, prv->rsa, 8); #endif + if (RSA_blinding_on(prv->rsa, NULL) != 1) { + error("key_load_private_pem: RSA_blinding_on failed"); + key_free(prv); + prv = NULL; + } } else if (pk->type == EVP_PKEY_DSA && (type == KEY_UNSPEC||type==KEY_DSA)) { prv = key_new(KEY_UNSPEC); diff --git a/crypto/openssh/bufaux.c b/crypto/openssh/bufaux.c index d3dc674..3c276b8 100644 --- a/crypto/openssh/bufaux.c +++ b/crypto/openssh/bufaux.c @@ -37,7 +37,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: bufaux.c,v 1.27 2002/06/26 08:53:12 markus Exp $"); +RCSID("$OpenBSD: bufaux.c,v 1.28 2002/10/23 10:40:16 markus Exp $"); #include <openssl/bn.h> #include "bufaux.h" @@ -225,7 +225,7 @@ buffer_get_string(Buffer *buffer, u_int *length_ptr) /* Get the length. */ len = buffer_get_int(buffer); if (len > 256 * 1024) - fatal("buffer_get_string: bad string length %d", len); + fatal("buffer_get_string: bad string length %u", len); /* Allocate space for the string. Add one byte for a null character. */ value = xmalloc(len + 1); /* Get the string. */ diff --git a/crypto/openssh/canohost.c b/crypto/openssh/canohost.c index a457d3c..941db23 100644 --- a/crypto/openssh/canohost.c +++ b/crypto/openssh/canohost.c @@ -12,7 +12,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: canohost.c,v 1.34 2002/09/23 20:46:27 stevesk Exp $"); +RCSID("$OpenBSD: canohost.c,v 1.35 2002/11/26 02:38:54 stevesk Exp $"); #include "packet.h" #include "xmalloc.h" @@ -38,7 +38,7 @@ get_remote_hostname(int socket, int verify_reverse_mapping) /* Get IP address of client. */ fromlen = sizeof(from); memset(&from, 0, sizeof(from)); - if (getpeername(socket, (struct sockaddr *) &from, &fromlen) < 0) { + if (getpeername(socket, (struct sockaddr *)&from, &fromlen) < 0) { debug("getpeername failed: %.100s", strerror(errno)); fatal_cleanup(); } @@ -59,11 +59,14 @@ get_remote_hostname(int socket, int verify_reverse_mapping) memset(&from, 0, sizeof(from)); from4->sin_family = AF_INET; + fromlen = sizeof(*from4); memcpy(&from4->sin_addr, &addr, sizeof(addr)); from4->sin_port = port; } } #endif + if (from.ss_family == AF_INET6) + fromlen = sizeof(struct sockaddr_in6); if (getnameinfo((struct sockaddr *)&from, fromlen, ntop, sizeof(ntop), NULL, 0, NI_NUMERICHOST) != 0) @@ -202,8 +205,8 @@ get_canonical_hostname(int verify_reverse_mapping) } /* - * Returns the remote IP-address of socket as a string. The returned - * string must be freed. + * Returns the local/remote IP-address/hostname of socket as a string. + * The returned string must be freed. */ static char * get_socket_address(int socket, int remote, int flags) @@ -225,10 +228,15 @@ get_socket_address(int socket, int remote, int flags) < 0) return NULL; } + + /* Work around Linux IPv6 weirdness */ + if (addr.ss_family == AF_INET6) + addrlen = sizeof(struct sockaddr_in6); + /* Get the address in ascii. */ if (getnameinfo((struct sockaddr *)&addr, addrlen, ntop, sizeof(ntop), NULL, 0, flags) != 0) { - error("get_socket_ipaddr: getnameinfo %d failed", flags); + error("get_socket_address: getnameinfo %d failed", flags); return NULL; } return xstrdup(ntop); @@ -314,11 +322,16 @@ get_sock_port(int sock, int local) return 0; } } else { - if (getpeername(sock, (struct sockaddr *) & from, &fromlen) < 0) { + if (getpeername(sock, (struct sockaddr *)&from, &fromlen) < 0) { debug("getpeername failed: %.100s", strerror(errno)); fatal_cleanup(); } } + + /* Work around Linux IPv6 weirdness */ + if (from.ss_family == AF_INET6) + fromlen = sizeof(struct sockaddr_in6); + /* Return port number. */ if (getnameinfo((struct sockaddr *)&from, fromlen, NULL, 0, strport, sizeof(strport), NI_NUMERICSERV) != 0) diff --git a/crypto/openssh/channels.c b/crypto/openssh/channels.c index 6ff9e25..1937b02 100644 --- a/crypto/openssh/channels.c +++ b/crypto/openssh/channels.c @@ -39,7 +39,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: channels.c,v 1.183 2002/09/17 07:47:02 itojun Exp $"); +RCSID("$OpenBSD: channels.c,v 1.187 2003/03/05 22:33:43 markus Exp $"); #include "ssh.h" #include "ssh1.h" @@ -413,13 +413,13 @@ channel_not_very_much_buffered_data(void) #if 0 if (!compat20 && buffer_len(&c->input) > packet_get_maxsize()) { - debug("channel %d: big input buffer %d", + debug2("channel %d: big input buffer %d", c->self, buffer_len(&c->input)); return 0; } #endif if (buffer_len(&c->output) > packet_get_maxsize()) { - debug("channel %d: big output buffer %d > %d", + debug2("channel %d: big output buffer %d > %d", c->self, buffer_len(&c->output), packet_get_maxsize()); return 0; @@ -578,7 +578,7 @@ channel_send_open(int id) log("channel_send_open: %d: bad id", id); return; } - debug("send channel open %d", id); + debug2("channel %d: send open", id); packet_start(SSH2_MSG_CHANNEL_OPEN); packet_put_cstring(c->ctype); packet_put_int(c->self); @@ -588,15 +588,15 @@ channel_send_open(int id) } void -channel_request_start(int local_id, char *service, int wantconfirm) +channel_request_start(int id, char *service, int wantconfirm) { - Channel *c = channel_lookup(local_id); + Channel *c = channel_lookup(id); if (c == NULL) { - log("channel_request_start: %d: unknown channel id", local_id); + log("channel_request_start: %d: unknown channel id", id); return; } - debug("channel request %d: %s", local_id, service) ; + debug("channel %d: request %s", id, service) ; packet_start(SSH2_MSG_CHANNEL_REQUEST); packet_put_int(c->remote_id); packet_put_cstring(service); @@ -1997,6 +1997,7 @@ channel_input_port_open(int type, u_int32_t seq, void *ctxt) c->remote_id = remote_id; } if (c == NULL) { + xfree(originator_string); packet_start(SSH_MSG_CHANNEL_OPEN_FAILURE); packet_put_int(remote_id); packet_send(); @@ -2281,7 +2282,10 @@ connect_to(const char *host, u_short port) } sock = socket(ai->ai_family, SOCK_STREAM, 0); if (sock < 0) { - error("socket: %.100s", strerror(errno)); + if (ai->ai_next == NULL) + error("socket: %.100s", strerror(errno)); + else + verbose("socket: %.100s", strerror(errno)); continue; } if (fcntl(sock, F_SETFL, O_NONBLOCK) < 0) @@ -2606,6 +2610,7 @@ x11_input_open(int type, u_int32_t seq, void *ctxt) /* Send refusal to the remote host. */ packet_start(SSH_MSG_CHANNEL_OPEN_FAILURE); packet_put_int(remote_id); + xfree(remote_host); } else { /* Send a confirmation to the remote host. */ packet_start(SSH_MSG_CHANNEL_OPEN_CONFIRMATION); diff --git a/crypto/openssh/cipher.c b/crypto/openssh/cipher.c index 1933d3e..b5d3874 100644 --- a/crypto/openssh/cipher.c +++ b/crypto/openssh/cipher.c @@ -35,7 +35,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: cipher.c,v 1.61 2002/07/12 15:50:17 markus Exp $"); +RCSID("$OpenBSD: cipher.c,v 1.62 2002/11/21 22:45:31 markus Exp $"); #include "xmalloc.h" #include "log.h" @@ -239,7 +239,7 @@ cipher_init(CipherContext *cc, Cipher *cipher, cipher->name); klen = EVP_CIPHER_CTX_key_length(&cc->evp); if (klen > 0 && keylen != klen) { - debug("cipher_init: set keylen (%d -> %d)", klen, keylen); + debug2("cipher_init: set keylen (%d -> %d)", klen, keylen); if (EVP_CIPHER_CTX_set_key_length(&cc->evp, keylen) == 0) fatal("cipher_init: set keylen failed (%d -> %d)", klen, keylen); diff --git a/crypto/openssh/clientloop.c b/crypto/openssh/clientloop.c index 2c030e7..af207c0 100644 --- a/crypto/openssh/clientloop.c +++ b/crypto/openssh/clientloop.c @@ -59,7 +59,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: clientloop.c,v 1.104 2002/08/22 19:38:42 stevesk Exp $"); +RCSID("$OpenBSD: clientloop.c,v 1.107 2003/04/01 10:22:21 markus Exp $"); #include "ssh.h" #include "ssh1.h" @@ -888,10 +888,16 @@ client_loop(int have_pty, int escape_char_arg, int ssh2_chan_id) client_init_dispatch(); - /* Set signal handlers to restore non-blocking mode. */ - signal(SIGINT, signal_handler); - signal(SIGQUIT, signal_handler); - signal(SIGTERM, signal_handler); + /* + * Set signal handlers, (e.g. to restore non-blocking mode) + * but don't overwrite SIG_IGN, matches behaviour from rsh(1) + */ + if (signal(SIGINT, SIG_IGN) != SIG_IGN) + signal(SIGINT, signal_handler); + if (signal(SIGQUIT, SIG_IGN) != SIG_IGN) + signal(SIGQUIT, signal_handler); + if (signal(SIGTERM, SIG_IGN) != SIG_IGN) + signal(SIGTERM, signal_handler); if (have_pty) signal(SIGWINCH, window_change_handler); diff --git a/crypto/openssh/compat.c b/crypto/openssh/compat.c index 757b0e6..5e1774a 100644 --- a/crypto/openssh/compat.c +++ b/crypto/openssh/compat.c @@ -23,7 +23,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: compat.c,v 1.65 2002/09/27 10:42:09 mickey Exp $"); +RCSID("$OpenBSD: compat.c,v 1.66 2003/04/01 10:31:26 markus Exp $"); #include "buffer.h" #include "packet.h" @@ -85,10 +85,12 @@ compat_datafellows(const char *version) { "*MindTerm*", 0 }, { "2.1.0*", SSH_BUG_SIGBLOB|SSH_BUG_HMAC| SSH_OLD_SESSIONID|SSH_BUG_DEBUG| - SSH_BUG_RSASIGMD5|SSH_BUG_HBSERVICE }, + SSH_BUG_RSASIGMD5|SSH_BUG_HBSERVICE| + SSH_BUG_FIRSTKEX }, { "2.1 *", SSH_BUG_SIGBLOB|SSH_BUG_HMAC| SSH_OLD_SESSIONID|SSH_BUG_DEBUG| - SSH_BUG_RSASIGMD5|SSH_BUG_HBSERVICE }, + SSH_BUG_RSASIGMD5|SSH_BUG_HBSERVICE| + SSH_BUG_FIRSTKEX }, { "2.0.13*," "2.0.14*," "2.0.15*," @@ -100,26 +102,28 @@ compat_datafellows(const char *version) SSH_BUG_PKSERVICE|SSH_BUG_X11FWD| SSH_BUG_PKOK|SSH_BUG_RSASIGMD5| SSH_BUG_HBSERVICE|SSH_BUG_OPENFAILURE| - SSH_BUG_DUMMYCHAN }, + SSH_BUG_DUMMYCHAN|SSH_BUG_FIRSTKEX }, { "2.0.11*," "2.0.12*", SSH_BUG_SIGBLOB|SSH_BUG_HMAC| SSH_OLD_SESSIONID|SSH_BUG_DEBUG| SSH_BUG_PKSERVICE|SSH_BUG_X11FWD| SSH_BUG_PKAUTH|SSH_BUG_PKOK| SSH_BUG_RSASIGMD5|SSH_BUG_OPENFAILURE| - SSH_BUG_DUMMYCHAN }, + SSH_BUG_DUMMYCHAN|SSH_BUG_FIRSTKEX }, { "2.0.*", SSH_BUG_SIGBLOB|SSH_BUG_HMAC| SSH_OLD_SESSIONID|SSH_BUG_DEBUG| SSH_BUG_PKSERVICE|SSH_BUG_X11FWD| SSH_BUG_PKAUTH|SSH_BUG_PKOK| SSH_BUG_RSASIGMD5|SSH_BUG_OPENFAILURE| - SSH_BUG_DERIVEKEY|SSH_BUG_DUMMYCHAN }, + SSH_BUG_DERIVEKEY|SSH_BUG_DUMMYCHAN| + SSH_BUG_FIRSTKEX }, { "2.2.0*," "2.3.0*", SSH_BUG_HMAC|SSH_BUG_DEBUG| - SSH_BUG_RSASIGMD5 }, - { "2.3.*", SSH_BUG_DEBUG|SSH_BUG_RSASIGMD5 }, + SSH_BUG_RSASIGMD5|SSH_BUG_FIRSTKEX }, + { "2.3.*", SSH_BUG_DEBUG|SSH_BUG_RSASIGMD5| + SSH_BUG_FIRSTKEX }, { "2.4", SSH_OLD_SESSIONID }, /* Van Dyke */ - { "2.*", SSH_BUG_DEBUG }, + { "2.*", SSH_BUG_DEBUG|SSH_BUG_FIRSTKEX }, { "3.0.*", SSH_BUG_DEBUG }, { "3.0 SecureCRT*", SSH_OLD_SESSIONID }, { "1.7 SecureFX*", SSH_OLD_SESSIONID }, diff --git a/crypto/openssh/compat.h b/crypto/openssh/compat.h index 9299805..881e450 100644 --- a/crypto/openssh/compat.h +++ b/crypto/openssh/compat.h @@ -1,4 +1,4 @@ -/* $OpenBSD: compat.h,v 1.33 2002/09/27 10:42:09 mickey Exp $ */ +/* $OpenBSD: compat.h,v 1.34 2003/04/01 10:31:26 markus Exp $ */ /* * Copyright (c) 1999, 2000, 2001 Markus Friedl. All rights reserved. @@ -55,6 +55,7 @@ #define SSH_BUG_EXTEOF 0x00200000 #define SSH_BUG_K5USER 0x00400000 #define SSH_BUG_PROBE 0x00800000 +#define SSH_BUG_FIRSTKEX 0x01000000 void enable_compat13(void); void enable_compat20(void); diff --git a/crypto/openssh/config.guess b/crypto/openssh/config.guess index fd30ab0..e8f2061 100755 --- a/crypto/openssh/config.guess +++ b/crypto/openssh/config.guess @@ -726,6 +726,9 @@ EOF CRAY*SV1:*:*:*) echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit 0 ;; + *:UNICOS/mp:*:*) + echo nv1-cray-unicosmp | sed -e 's/\.[^.]*$/.X/' + exit 0 ;; F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` diff --git a/crypto/openssh/config.sub b/crypto/openssh/config.sub index 9ff085e..a0b7bb9 100755 --- a/crypto/openssh/config.sub +++ b/crypto/openssh/config.sub @@ -315,7 +315,7 @@ case $basic_machine in | mipsisa64-* | mipsisa64el-* \ | mipsisa64sb1-* | mipsisa64sb1el-* \ | mipstx39 | mipstx39el \ - | none-* | np1-* | ns16k-* | ns32k-* \ + | none-* | np1-* | ns16k-* | ns32k-* | nv1-* \ | orion-* \ | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \ | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* | ppcbe-* \ @@ -715,6 +715,9 @@ case $basic_machine in nsr-tandem) basic_machine=nsr-tandem ;; + nv1) + basic_machine=nv1-cray + ;; op50n-* | op60c-*) basic_machine=hppa1.1-oki os=-proelf @@ -887,6 +890,10 @@ case $basic_machine in basic_machine=sv1-cray os=-unicos ;; + sx*-nec) + basic_machine=sx6-nec + os=-sysv + ;; symmetry) basic_machine=i386-sequent os=-dynix diff --git a/crypto/openssh/configure.ac b/crypto/openssh/configure.ac index 5fe50e5..47fef0c 100644 --- a/crypto/openssh/configure.ac +++ b/crypto/openssh/configure.ac @@ -1,4 +1,4 @@ -# $Id: configure.ac,v 1.89 2002/09/26 00:38:47 tim Exp $ +# $Id: configure.ac,v 1.113 2003/03/21 01:18:09 mouring Exp $ AC_INIT AC_CONFIG_SRCDIR([ssh.c]) @@ -14,6 +14,7 @@ AC_PROG_RANLIB AC_PROG_INSTALL AC_PATH_PROG(AR, ar) AC_PATH_PROGS(PERL, perl5 perl) +AC_PATH_PROG(SED, sed) AC_SUBST(PERL) AC_PATH_PROG(ENT, ent) AC_SUBST(ENT) @@ -81,8 +82,11 @@ case "$host" in dnl AIX handles lastlog as part of its login message AC_DEFINE(DISABLE_LASTLOG) AC_DEFINE(LOGIN_NEEDS_UTMPX) + AC_DEFINE(SETPROCTITLE_STRATEGY,PS_USE_CLOBBER_ARGV) + AC_DEFINE(SETPROCTITLE_PS_PADDING, '\0') ;; *-*-cygwin*) + check_for_libcrypt_later=1 LIBS="$LIBS /usr/lib/textmode.o" AC_DEFINE(HAVE_CYGWIN) AC_DEFINE(USE_PIPES) @@ -121,7 +125,7 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16)) AC_DEFINE(LOGIN_NEEDS_UTMPX) AC_DEFINE(DISABLE_SHADOW) AC_DEFINE(DISABLE_UTMP) - AC_DEFINE(SPT_TYPE,SPT_PSTAT) + AC_DEFINE(SETPROCTITLE_STRATEGY,PS_USE_PSTAT) LIBS="$LIBS -lsec -lsecpw" AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***])) disable_ptmx_check=yes @@ -137,7 +141,7 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16)) AC_DEFINE(LOGIN_NEEDS_UTMPX) AC_DEFINE(DISABLE_SHADOW) AC_DEFINE(DISABLE_UTMP) - AC_DEFINE(SPT_TYPE,SPT_PSTAT) + AC_DEFINE(SETPROCTITLE_STRATEGY,PS_USE_PSTAT) LIBS="$LIBS -lsec" AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***])) ;; @@ -150,7 +154,7 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16)) AC_DEFINE(LOGIN_NEEDS_UTMPX) AC_DEFINE(DISABLE_SHADOW) AC_DEFINE(DISABLE_UTMP) - AC_DEFINE(SPT_TYPE,SPT_PSTAT) + AC_DEFINE(SETPROCTITLE_STRATEGY,PS_USE_PSTAT) LIBS="$LIBS -lsec" AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***])) ;; @@ -177,6 +181,8 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16)) check_for_libcrypt_later=1 AC_DEFINE(DONT_TRY_OTHER_AF) AC_DEFINE(PAM_TTY_KLUDGE) + AC_DEFINE(SETPROCTITLE_STRATEGY,PS_USE_CLOBBER_ARGV) + AC_DEFINE(SETPROCTITLE_PS_PADDING, '\0') inet6_default_4in6=yes ;; mips-sony-bsd|mips-sony-newsos4) @@ -210,6 +216,7 @@ mips-sony-bsd|mips-sony-newsos4) AC_DEFINE(LOGIN_NEEDS_UTMPX) AC_DEFINE(LOGIN_NEEDS_TERM) AC_DEFINE(PAM_TTY_KLUDGE) + AC_DEFINE(STREAMS_PUSH_ACQUIRES_CTTY) # hardwire lastlog location (can't detect it on some versions) conf_lastlog_location="/var/adm/lastlog" AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x) @@ -278,6 +285,9 @@ mips-sony-bsd|mips-sony-newsos4) do_sco3_extra_lib_check=yes ;; *-*-sco3.2v5*) + if test -z "$GCC"; then + CFLAGS="$CFLAGS -belf" + fi CPPFLAGS="$CPPFLAGS -I/usr/local/include" LDFLAGS="$LDFLAGS -L/usr/local/lib" LIBS="$LIBS -lprot -lx -ltinfo -lm" @@ -290,8 +300,6 @@ mips-sony-bsd|mips-sony-newsos4) MANTYPE=man ;; *-*-unicosmk*) - no_libsocket=1 - no_libnsl=1 AC_DEFINE(USE_PIPES) AC_DEFINE(DISABLE_FD_PASSING) LDFLAGS="$LDFLAGS" @@ -299,8 +307,6 @@ mips-sony-bsd|mips-sony-newsos4) MANTYPE=cat ;; *-*-unicos*) - no_libsocket=1 - no_libnsl=1 AC_DEFINE(USE_PIPES) AC_DEFINE(DISABLE_FD_PASSING) AC_DEFINE(NO_SSH_LASTLOG) @@ -325,11 +331,13 @@ mips-sony-bsd|mips-sony-newsos4) AC_MSG_RESULT(yes) AC_DEFINE(HAVE_OSF_SIA) AC_DEFINE(DISABLE_LOGIN) + AC_DEFINE(DISABLE_FD_PASSING) LIBS="$LIBS -lsecurity -ldb -lm -laud" else AC_MSG_RESULT(no) fi fi + AC_DEFINE(DISABLE_FD_PASSING) ;; *-*-nto-qnx) @@ -377,13 +385,13 @@ AC_ARG_WITH(libs, # Checks for header files. AC_CHECK_HEADERS(bstring.h crypt.h endian.h floatingpoint.h \ - getopt.h glob.h ia.h lastlog.h limits.h login.h \ + getopt.h glob.h ia.h lastlog.h libgen.h limits.h login.h \ login_cap.h maillock.h netdb.h netgroup.h \ netinet/in_systm.h paths.h pty.h readpassphrase.h \ rpc/types.h security/pam_appl.h shadow.h stddef.h stdint.h \ strings.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h \ - sys/mman.h sys/select.h sys/stat.h \ - sys/stropts.h sys/sysmacros.h sys/time.h \ + sys/mman.h sys/pstat.h sys/select.h sys/stat.h \ + sys/stropts.h sys/sysmacros.h sys/time.h sys/timers.h \ sys/un.h time.h tmpdir.h ttyent.h usersec.h \ util.h utime.h utmp.h utmpx.h) @@ -594,18 +602,25 @@ AC_ARG_WITH(tcp-wrappers, ] ) -dnl Checks for library functions. -AC_CHECK_FUNCS(arc4random b64_ntop bcopy bindresvport_sa \ - clock fchmod fchown freeaddrinfo futimes gai_strerror \ - getaddrinfo getcwd getgrouplist getnameinfo getopt getpeereid\ - getrlimit getrusage getttyent glob inet_aton inet_ntoa \ - inet_ntop innetgr login_getcapbool md5_crypt memmove \ - mkdtemp mmap ngetaddrinfo openpty ogetaddrinfo readpassphrase \ - realpath recvmsg rresvport_af sendmsg setdtablesize setegid \ - setenv seteuid setgroups setlogin setproctitle setresgid setreuid \ - setrlimit setsid setpcred setvbuf sigaction sigvec snprintf \ - socketpair strerror strlcat strlcpy strmode strsep sysconf tcgetpgrp \ - truncate utimes vhangup vsnprintf waitpid __b64_ntop _getpty) +dnl Checks for library functions. Please keep in alphabetical order +AC_CHECK_FUNCS(\ + arc4random __b64_ntop b64_ntop __b64_pton b64_pton basename bcopy \ + bindresvport_sa clock fchmod fchown freeaddrinfo futimes \ + gai_strerror getaddrinfo getcwd getgrouplist getnameinfo getopt \ + getpeereid _getpty getrlimit getrusage getttyent glob inet_aton \ + inet_ntoa inet_ntop innetgr login_getcapbool md5_crypt memmove \ + mkdtemp mmap ngetaddrinfo nsleep ogetaddrinfo openpty pstat \ + readpassphrase realpath recvmsg rresvport_af sendmsg setdtablesize \ + setegid setenv seteuid setgroups setlogin setpcred setproctitle \ + setresgid setreuid setrlimit setsid setvbuf sigaction sigvec \ + snprintf socketpair strerror strlcat strlcpy strmode strnvis \ + sysconf tcgetpgrp truncate utimes vhangup vsnprintf waitpid \ +) + +AC_SEARCH_LIBS(nanosleep, rt posix4, AC_DEFINE(HAVE_NANOSLEEP)) + +dnl Make sure strsep prototype is defined before defining HAVE_STRSEP +AC_CHECK_DECL(strsep, [AC_CHECK_FUNCS(strsep)]) dnl IRIX and Solaris 2.5.1 have dirname() in libgen AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[ @@ -680,6 +695,32 @@ int main(void){char b[5];snprintf(b,5,"123456789");exit(b[4]!='\0');} ) fi +dnl see whether mkstemp() requires XXXXXX +if test "x$ac_cv_func_mkdtemp" = "xyes" ; then +AC_MSG_CHECKING([for (overly) strict mkstemp]) +AC_TRY_RUN( + [ +#include <stdlib.h> +main() { char template[]="conftest.mkstemp-test"; +if (mkstemp(template) == -1) + exit(1); +unlink(template); exit(0); +} + ], + [ + AC_MSG_RESULT(no) + ], + [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_STRICT_MKSTEMP) + ], + [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_STRICT_MKSTEMP) + ] +) +fi + AC_FUNC_GETPGRP # Check for PAM libs @@ -1443,12 +1484,16 @@ if test "x$ac_cv_have_struct_timeval" = "xyes" ; then have_struct_timeval=1 fi -# If we don't have int64_t then we can't compile sftp-server. So don't -# even attempt to do it. +AC_CHECK_TYPES(struct timespec) + +# We need int64_t or else certian parts of the compile will fail. if test "x$ac_cv_have_int64_t" = "xno" -a \ "x$ac_cv_sizeof_long_int" != "x8" -a \ "x$ac_cv_sizeof_long_long_int" = "x0" ; then - NO_SFTP='#' + echo "OpenSSH requires int64_t support. Contact your vendor or install" + echo "an alternative compiler (I.E., GCC) before continuing." + echo "" + exit 1; else dnl test snprintf (broken on SCO w/gcc) AC_TRY_RUN( @@ -1478,7 +1523,6 @@ main() { exit(0); } ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ] ) fi -AC_SUBST(NO_SFTP) dnl Checks for structure members OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP) @@ -1906,6 +1950,17 @@ AC_ARG_WITH(xauth, ] ) +STRIP_OPT=-s +AC_ARG_ENABLE(strip, + [ --disable-strip Disable calling strip(1) on install], + [ + if test "x$enableval" = "xno" ; then + STRIP_OPT= + fi + ] +) +AC_SUBST(STRIP_OPT) + if test -z "$xauth_path" ; then XAUTH_PATH="undefined" AC_SUBST(XAUTH_PATH) @@ -2060,7 +2115,11 @@ Edit /etc/login.conf instead.]) # include <paths.h> #endif #ifndef _PATH_STDPATH -# define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin" +# ifdef _PATH_USERPATH /* Irix */ +# define _PATH_STDPATH _PATH_USERPATH +# else +# define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin" +# endif #endif #include <sys/types.h> #include <sys/stat.h> @@ -2498,12 +2557,6 @@ if test "x$PAM_MSG" = "xyes" ; then echo "" fi -if test ! -z "$NO_SFTP"; then - echo "sftp-server will be disabled. Your compiler does not " - echo "support 64bit integers." - echo "" -fi - if test ! -z "$RAND_HELPER_CMDHASH" ; then echo "WARNING: you are using the builtin random number collection " echo "service. Please read WARNING.RNG and request that your OS " diff --git a/crypto/openssh/crc32.c b/crypto/openssh/crc32.c index 4774c8b..ac627b5 100644 --- a/crypto/openssh/crc32.c +++ b/crypto/openssh/crc32.c @@ -1,114 +1,105 @@ +/* $OpenBSD: crc32.c,v 1.9 2003/02/12 21:39:50 markus Exp $ */ + /* - * COPYRIGHT (C) 1986 Gary S. Brown. You may use this program, or - * code or tables extracted from it, as desired without restriction. - * - * First, the polynomial itself and its table of feedback terms. The - * polynomial is - * X^32+X^26+X^23+X^22+X^16+X^12+X^11+X^10+X^8+X^7+X^5+X^4+X^2+X^1+X^0 - * - * Note that we take it "backwards" and put the highest-order term in - * the lowest-order bit. The X^32 term is "implied"; the LSB is the - * X^31 term, etc. The X^0 term (usually shown as "+1") results in - * the MSB being 1 - * - * Note that the usual hardware shift register implementation, which - * is what we're using (we're merely optimizing it by doing eight-bit - * chunks at a time) shifts bits into the lowest-order term. In our - * implementation, that means shifting towards the right. Why do we - * do it this way? Because the calculated CRC must be transmitted in - * order from highest-order term to lowest-order term. UARTs transmit - * characters in order from LSB to MSB. By storing the CRC this way - * we hand it to the UART in the order low-byte to high-byte; the UART - * sends each low-bit to hight-bit; and the result is transmission bit - * by bit from highest- to lowest-order term without requiring any bit - * shuffling on our part. Reception works similarly - * - * The feedback terms table consists of 256, 32-bit entries. Notes + * Copyright (c) 2003 Markus Friedl. All rights reserved. * - * The table can be generated at runtime if desired; code to do so - * is shown later. It might not be obvious, but the feedback - * terms simply represent the results of eight shift/xor opera - * tions for all combinations of data and CRC register values + * 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. * - * The values must be right-shifted by eight bits by the "updcrc - * logic; the shift must be u_(bring in zeroes). On some - * hardware you could probably optimize the shift in assembler by - * using byte-swap instructions - * polynomial $edb88320 + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - - #include "includes.h" -RCSID("$OpenBSD: crc32.c,v 1.8 2000/12/19 23:17:56 markus Exp $"); - #include "crc32.h" -static u_int crc32_tab[] = { - 0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L, - 0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L, - 0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L, - 0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL, - 0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L, - 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L, - 0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L, - 0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL, - 0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L, - 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL, - 0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L, - 0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L, - 0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L, - 0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL, - 0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL, - 0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L, - 0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL, - 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L, - 0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L, - 0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L, - 0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL, - 0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L, - 0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L, - 0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL, - 0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L, - 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L, - 0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L, - 0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L, - 0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L, - 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL, - 0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL, - 0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L, - 0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L, - 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL, - 0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL, - 0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L, - 0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL, - 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L, - 0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL, - 0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L, - 0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL, - 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L, - 0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L, - 0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL, - 0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L, - 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L, - 0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L, - 0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L, - 0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L, - 0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L, - 0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL, - 0x2d02ef8dL +static const u_int32_t crc32tab[] = { + 0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, + 0x076dc419L, 0x706af48fL, 0xe963a535L, 0x9e6495a3L, + 0x0edb8832L, 0x79dcb8a4L, 0xe0d5e91eL, 0x97d2d988L, + 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L, 0x90bf1d91L, + 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL, + 0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, + 0x136c9856L, 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, + 0x14015c4fL, 0x63066cd9L, 0xfa0f3d63L, 0x8d080df5L, + 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L, 0xa2677172L, + 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL, + 0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, + 0x32d86ce3L, 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, + 0x26d930acL, 0x51de003aL, 0xc8d75180L, 0xbfd06116L, + 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L, 0xb8bda50fL, + 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L, + 0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, + 0x76dc4190L, 0x01db7106L, 0x98d220bcL, 0xefd5102aL, + 0x71b18589L, 0x06b6b51fL, 0x9fbfe4a5L, 0xe8b8d433L, + 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL, 0xe10e9818L, + 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L, + 0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, + 0x6c0695edL, 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, + 0x65b0d9c6L, 0x12b7e950L, 0x8bbeb8eaL, 0xfcb9887cL, + 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L, 0xfbd44c65L, + 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L, + 0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, + 0x4369e96aL, 0x346ed9fcL, 0xad678846L, 0xda60b8d0L, + 0x44042d73L, 0x33031de5L, 0xaa0a4c5fL, 0xdd0d7cc9L, + 0x5005713cL, 0x270241aaL, 0xbe0b1010L, 0xc90c2086L, + 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL, + 0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, + 0x59b33d17L, 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, + 0xedb88320L, 0x9abfb3b6L, 0x03b6e20cL, 0x74b1d29aL, + 0xead54739L, 0x9dd277afL, 0x04db2615L, 0x73dc1683L, + 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L, + 0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, + 0xf00f9344L, 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, + 0xf762575dL, 0x806567cbL, 0x196c3671L, 0x6e6b06e7L, + 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL, 0x67dd4accL, + 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L, + 0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, + 0xd1bb67f1L, 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, + 0xd80d2bdaL, 0xaf0a1b4cL, 0x36034af6L, 0x41047a60L, + 0xdf60efc3L, 0xa867df55L, 0x316e8eefL, 0x4669be79L, + 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L, + 0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, + 0xc5ba3bbeL, 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, + 0xc2d7ffa7L, 0xb5d0cf31L, 0x2cd99e8bL, 0x5bdeae1dL, + 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL, 0x026d930aL, + 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L, + 0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, + 0x92d28e9bL, 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, + 0x86d3d2d4L, 0xf1d4e242L, 0x68ddb3f8L, 0x1fda836eL, + 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L, 0x18b74777L, + 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL, + 0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, + 0xa00ae278L, 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, + 0xa7672661L, 0xd06016f7L, 0x4969474dL, 0x3e6e77dbL, + 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L, 0x37d83bf0L, + 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L, + 0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, + 0xbad03605L, 0xcdd70693L, 0x54de5729L, 0x23d967bfL, + 0xb3667a2eL, 0xc4614ab8L, 0x5d681b02L, 0x2a6f2b94L, + 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL, 0x2d02ef8dL }; -/* Return a 32-bit CRC of the contents of the buffer. */ - -u_int -ssh_crc32(const u_char *s, u_int len) +u_int32_t +ssh_crc32(const u_char *buf, u_int32_t size) { - u_int i; - u_int crc32val; + u_int32_t i, crc; - crc32val = 0; - for (i = 0; i < len; i ++) { - crc32val = crc32_tab[(crc32val ^ s[i]) & 0xff] ^ (crc32val >> 8); - } - return crc32val; + crc = 0; + for (i = 0; i < size; i++) + crc = crc32tab[(crc ^ buf[i]) & 0xff] ^ (crc >> 8); + return crc; } diff --git a/crypto/openssh/crc32.h b/crypto/openssh/crc32.h index cd1832f..a2fb584 100644 --- a/crypto/openssh/crc32.h +++ b/crypto/openssh/crc32.h @@ -1,21 +1,30 @@ -/* $OpenBSD: crc32.h,v 1.13 2002/03/04 17:27:39 stevesk Exp $ */ +/* $OpenBSD: crc32.h,v 1.14 2003/02/12 21:39:50 markus Exp $ */ /* - * Author: Tatu Ylonen <ylo@cs.hut.fi> - * Copyright (c) 1992 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland - * All rights reserved - * Functions for computing 32-bit CRC. + * Copyright (c) 2003 Markus Friedl. All rights reserved. * - * As far as I am concerned, the code I have written for this software - * can be used freely for any purpose. Any derived versions of this - * software must be clearly marked as such, and if the derived work is - * incompatible with the protocol description in the RFC file, it must be - * called by a name other than "ssh" or "Secure Shell". + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. */ -#ifndef CRC32_H -#define CRC32_H - -u_int ssh_crc32(const u_char *, u_int); - -#endif /* CRC32_H */ +#ifndef SSH_CRC32_H +#define SSH_CRC32_H +u_int32_t ssh_crc32(const u_char *, u_int32_t); +#endif diff --git a/crypto/openssh/defines.h b/crypto/openssh/defines.h index ab19a07..73fbe07 100644 --- a/crypto/openssh/defines.h +++ b/crypto/openssh/defines.h @@ -1,7 +1,7 @@ #ifndef _DEFINES_H #define _DEFINES_H -/* $Id: defines.h,v 1.96 2002/09/26 00:38:48 tim Exp $ */ +/* $Id: defines.h,v 1.97 2003/01/24 00:50:32 djm Exp $ */ /* Constants */ @@ -370,6 +370,20 @@ struct winsize { } while (0) #endif +#ifndef TIMEVAL_TO_TIMESPEC +#define TIMEVAL_TO_TIMESPEC(tv, ts) { \ + (ts)->tv_sec = (tv)->tv_sec; \ + (ts)->tv_nsec = (tv)->tv_usec * 1000; \ +} +#endif + +#ifndef TIMESPEC_TO_TIMEVAL +#define TIMESPEC_TO_TIMEVAL(tv, ts) { \ + (tv)->tv_sec = (ts)->tv_sec; \ + (tv)->tv_usec = (ts)->tv_nsec / 1000; \ +} +#endif + #ifndef __P # define __P(x) x #endif diff --git a/crypto/openssh/dh.c b/crypto/openssh/dh.c index 6ec3786..1be5195 100644 --- a/crypto/openssh/dh.c +++ b/crypto/openssh/dh.c @@ -23,7 +23,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: dh.c,v 1.22 2002/06/27 08:49:44 markus Exp $"); +RCSID("$OpenBSD: dh.c,v 1.23 2002/11/21 22:22:50 markus Exp $"); #include "xmalloc.h" @@ -182,7 +182,7 @@ dh_pub_is_valid(DH *dh, BIGNUM *dh_pub) for (i = 0; i <= n; i++) if (BN_is_bit_set(dh_pub, i)) bits_set++; - debug("bits set: %d/%d", bits_set, BN_num_bits(dh->p)); + debug2("bits set: %d/%d", bits_set, BN_num_bits(dh->p)); /* if g==2 and bits_set==1 then computing log_g(dh_pub) is trivial */ if (bits_set > 1 && (BN_cmp(dh_pub, dh->p) == -1)) @@ -214,7 +214,7 @@ dh_gen_key(DH *dh, int need) for (i = 0; i <= BN_num_bits(dh->priv_key); i++) if (BN_is_bit_set(dh->priv_key, i)) bits_set++; - debug("dh_gen_key: priv key bits set: %d/%d", + debug2("dh_gen_key: priv key bits set: %d/%d", bits_set, BN_num_bits(dh->priv_key)); if (tries++ > 10) fatal("dh_gen_key: too many bad keys: giving up"); diff --git a/crypto/openssh/fixpaths b/crypto/openssh/fixpaths index 7e4178e..60a6799 100755 --- a/crypto/openssh/fixpaths +++ b/crypto/openssh/fixpaths @@ -1,43 +1,22 @@ -#!/usr/bin/perl -w +#!/bin/sh # # fixpaths - substitute makefile variables into text files +# Usage: fixpaths -Dsomething=somethingelse ... - -$usage = "Usage: $0 [-Dstring=replacement] [[infile] ...]\n"; - -if (!defined(@ARGV)) { die ("$usage"); } - -# read in the command line and get some definitions -while ($_=$ARGV[0], /^-/) { - if (/^-D/) { - # definition - shift(@ARGV); - if ( /-D(.*)=(.*)/ ) { - $def{"$1"}=$2; - } else { - die ("$usage$0: error in command line arguments.\n"); - } - } else { - @cmd = split(//, $ARGV[0]); $opt = $cmd[1]; - die ("$usage$0: unknown option '-$opt'\n"); - } -} # while parsing arguments - -if (!defined(%def)) { - die ("$0: nothing to do - no substitutions listed!\n"); +die() { + echo $* + exit -1 } -for $f (@ARGV) { +test -n "`echo $1|grep -- -D`" || \ + die $0: nothing to do - no substitutions listed! + +test -n "`echo $1|grep -- '-D[^=]\+=[^ ]\+'`" || \ + die $0: error in command line arguments. - $f =~ /(.*\/)*(.*)$/; +test -n "`echo $*|grep -- ' [^-]'`" || \ + die Usage: $0 '[-Dstring=replacement] [[infile] ...]' - open(IN, "<$f") || die ("$0: input file $f missing!\n"); - while (<IN>) { - for $s (keys(%def)) { - s#$s#$def{$s}#; - } # for $s - print; - } # while <IN> -} # for $f +sed `echo $*|sed -e 's/-D\([^=]\+\)=\([^ ]*\)/-e s=\1=\2=g/g'` -exit 0; +exit 0 diff --git a/crypto/openssh/hostfile.h b/crypto/openssh/hostfile.h index 1df7a22..e3d1165 100644 --- a/crypto/openssh/hostfile.h +++ b/crypto/openssh/hostfile.h @@ -1,4 +1,4 @@ -/* $OpenBSD: hostfile.h,v 1.12 2002/09/08 20:24:08 markus Exp $ */ +/* $OpenBSD: hostfile.h,v 1.13 2002/11/21 23:03:51 deraadt Exp $ */ /* * Author: Tatu Ylonen <ylo@cs.hut.fi> @@ -19,10 +19,10 @@ typedef enum { } HostStatus; int hostfile_read_key(char **, u_int *, Key *); -HostStatus -check_host_in_hostfile(const char *, const char *, Key *, Key *, int *); -int add_host_to_hostfile(const char *, const char *, Key *); -int -lookup_key_in_hostfile_by_type(const char *, const char *, int , Key *, int *); +HostStatus check_host_in_hostfile(const char *, const char *, + Key *, Key *, int *); +int add_host_to_hostfile(const char *, const char *, Key *); +int lookup_key_in_hostfile_by_type(const char *, const char *, + int, Key *, int *); #endif diff --git a/crypto/openssh/includes.h b/crypto/openssh/includes.h index d7b875c..37d402e 100644 --- a/crypto/openssh/includes.h +++ b/crypto/openssh/includes.h @@ -157,6 +157,10 @@ static /**/const char *const rcsid[] = { (char *)rcsid, "\100(#)" msg } # include <tmpdir.h> #endif +#ifdef HAVE_LIBUTIL_H +# include <libutil.h> /* Openpty on FreeBSD at least */ +#endif + #include <openssl/opensslv.h> /* For OPENSSL_VERSION_NUMBER */ #include "defines.h" diff --git a/crypto/openssh/kex.c b/crypto/openssh/kex.c index bdbf388..b070ccf 100644 --- a/crypto/openssh/kex.c +++ b/crypto/openssh/kex.c @@ -23,7 +23,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: kex.c,v 1.51 2002/06/24 14:55:38 markus Exp $"); +RCSID("$OpenBSD: kex.c,v 1.55 2003/04/01 10:31:26 markus Exp $"); #include <openssl/crypto.h> @@ -44,11 +44,6 @@ RCSID("$OpenBSD: kex.c,v 1.51 2002/06/24 14:55:38 markus Exp $"); #define KEX_COOKIE_LEN 16 -/* Use privilege separation for sshd */ -int use_privsep; -struct monitor *pmonitor; - - /* prototype */ static void kex_kexinit_finish(Kex *); static void kex_choose_conf(Kex *); @@ -74,7 +69,7 @@ kex_prop2buf(Buffer *b, char *proposal[PROPOSAL_MAX]) /* parse buffer and return algorithm proposal */ static char ** -kex_buf2prop(Buffer *raw) +kex_buf2prop(Buffer *raw, int *first_kex_follows) { Buffer b; int i; @@ -94,6 +89,8 @@ kex_buf2prop(Buffer *raw) } /* first kex follows / reserved */ i = buffer_get_char(&b); + if (first_kex_follows != NULL) + *first_kex_follows = i; debug2("kex_parse_kexinit: first_kex_follows %d ", i); i = buffer_get_int(&b); debug2("kex_parse_kexinit: reserved %d ", i); @@ -135,7 +132,7 @@ kex_finish(Kex *kex) /* packet_write_wait(); */ debug("SSH2_MSG_NEWKEYS sent"); - debug("waiting for SSH2_MSG_NEWKEYS"); + debug("expecting SSH2_MSG_NEWKEYS"); packet_read_expect(SSH2_MSG_NEWKEYS); packet_check_eom(); debug("SSH2_MSG_NEWKEYS received"); @@ -235,14 +232,10 @@ kex_kexinit_finish(Kex *kex) kex_choose_conf(kex); - switch (kex->kex_type) { - case DH_GRP1_SHA1: - kexdh(kex); - break; - case DH_GEX_SHA1: - kexgex(kex); - break; - default: + if (kex->kex_type >= 0 && kex->kex_type < KEX_MAX && + kex->kex[kex->kex_type] != NULL) { + (kex->kex[kex->kex_type])(kex); + } else { fatal("Unsupported key exchange %d", kex->kex_type); } } @@ -299,9 +292,9 @@ choose_kex(Kex *k, char *client, char *server) if (k->name == NULL) fatal("no kex alg"); if (strcmp(k->name, KEX_DH1) == 0) { - k->kex_type = DH_GRP1_SHA1; + k->kex_type = KEX_DH_GRP1_SHA1; } else if (strcmp(k->name, KEX_DHGEX) == 0) { - k->kex_type = DH_GEX_SHA1; + k->kex_type = KEX_DH_GEX_SHA1; } else fatal("bad kex alg %s", k->name); } @@ -317,6 +310,30 @@ choose_hostkeyalg(Kex *k, char *client, char *server) xfree(hostkeyalg); } +static int +proposals_match(char *my[PROPOSAL_MAX], char *peer[PROPOSAL_MAX]) +{ + static int check[] = { + PROPOSAL_KEX_ALGS, PROPOSAL_SERVER_HOST_KEY_ALGS, -1 + }; + int *idx; + char *p; + + for (idx = &check[0]; *idx != -1; idx++) { + if ((p = strchr(my[*idx], ',')) != NULL) + *p = '\0'; + if ((p = strchr(peer[*idx], ',')) != NULL) + *p = '\0'; + if (strcmp(my[*idx], peer[*idx]) != 0) { + debug2("proposal mismatch: my %s peer %s", + my[*idx], peer[*idx]); + return (0); + } + } + debug2("proposals match"); + return (1); +} + static void kex_choose_conf(Kex *kex) { @@ -327,9 +344,10 @@ kex_choose_conf(Kex *kex) int mode; int ctos; /* direction: if true client-to-server */ int need; + int first_kex_follows, type; - my = kex_buf2prop(&kex->my); - peer = kex_buf2prop(&kex->peer); + my = kex_buf2prop(&kex->my, NULL); + peer = kex_buf2prop(&kex->peer, &first_kex_follows); if (kex->server) { cprop=peer; @@ -373,6 +391,13 @@ kex_choose_conf(Kex *kex) /* XXX need runden? */ kex->we_need = need; + /* ignore the next message if the proposals do not match */ + if (first_kex_follows && !proposals_match(my, peer) && + !(datafellows & SSH_BUG_FIRSTKEX)) { + type = packet_read(); + debug2("skipping next packet (type %u)", type); + } + kex_prop_free(my); kex_prop_free(peer); } @@ -433,7 +458,7 @@ kex_derive_keys(Kex *kex, u_char *hash, BIGNUM *shared_secret) for (i = 0; i < NKEYS; i++) keys[i] = derive_key(kex, 'A'+i, kex->we_need, hash, shared_secret); - debug("kex_derive_keys"); + debug2("kex_derive_keys"); for (mode = 0; mode < MODE_MAX; mode++) { current_keys[mode] = kex->newkeys[mode]; kex->newkeys[mode] = NULL; diff --git a/crypto/openssh/kex.h b/crypto/openssh/kex.h index 93a529e..52d442e 100644 --- a/crypto/openssh/kex.h +++ b/crypto/openssh/kex.h @@ -1,4 +1,4 @@ -/* $OpenBSD: kex.h,v 1.32 2002/09/09 14:54:14 markus Exp $ */ +/* $OpenBSD: kex.h,v 1.33 2003/02/16 17:09:57 markus Exp $ */ /* * Copyright (c) 2000, 2001 Markus Friedl. All rights reserved. @@ -55,8 +55,9 @@ enum kex_modes { }; enum kex_exchange { - DH_GRP1_SHA1, - DH_GEX_SHA1 + KEX_DH_GRP1_SHA1, + KEX_DH_GEX_SHA1, + KEX_MAX }; #define KEX_INIT_SENT 0x0001 @@ -112,6 +113,7 @@ struct Kex { int (*verify_host_key)(Key *); Key *(*load_host_key)(int); int (*host_key_index)(Key *); + void (*kex[KEX_MAX])(Kex *); }; Kex *kex_setup(char *[PROPOSAL_MAX]); @@ -121,11 +123,20 @@ void kex_send_kexinit(Kex *); void kex_input_kexinit(int, u_int32_t, void *); void kex_derive_keys(Kex *, u_char *, BIGNUM *); -void kexdh(Kex *); -void kexgex(Kex *); - Newkeys *kex_get_newkeys(int); +void kexdh_client(Kex *); +void kexdh_server(Kex *); +void kexgex_client(Kex *); +void kexgex_server(Kex *); + +u_char * +kex_dh_hash(char *, char *, char *, int, char *, int, u_char *, int, + BIGNUM *, BIGNUM *, BIGNUM *); +u_char * +kexgex_hash(char *, char *, char *, int, char *, int, u_char *, int, + int, int, int, BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *); + #if defined(DEBUG_KEX) || defined(DEBUG_KEXDH) void dump_digest(char *, u_char *, int); #endif diff --git a/crypto/openssh/kexdh.c b/crypto/openssh/kexdh.c index 1e91e25..4bbb7d1 100644 --- a/crypto/openssh/kexdh.c +++ b/crypto/openssh/kexdh.c @@ -23,23 +23,16 @@ */ #include "includes.h" -RCSID("$OpenBSD: kexdh.c,v 1.18 2002/03/18 17:50:31 provos Exp $"); +RCSID("$OpenBSD: kexdh.c,v 1.19 2003/02/16 17:09:57 markus Exp $"); -#include <openssl/crypto.h> -#include <openssl/bn.h> +#include <openssl/evp.h> -#include "xmalloc.h" #include "buffer.h" #include "bufaux.h" -#include "key.h" -#include "kex.h" -#include "log.h" -#include "packet.h" -#include "dh.h" #include "ssh2.h" -#include "monitor_wrap.h" +#include "kex.h" -static u_char * +u_char * kex_dh_hash( char *client_version_string, char *server_version_string, @@ -86,222 +79,3 @@ kex_dh_hash( #endif return digest; } - -/* client */ - -static void -kexdh_client(Kex *kex) -{ - BIGNUM *dh_server_pub = NULL, *shared_secret = NULL; - DH *dh; - Key *server_host_key; - u_char *server_host_key_blob = NULL, *signature = NULL; - u_char *kbuf, *hash; - u_int klen, kout, slen, sbloblen; - - /* generate and send 'e', client DH public key */ - dh = dh_new_group1(); - dh_gen_key(dh, kex->we_need * 8); - packet_start(SSH2_MSG_KEXDH_INIT); - packet_put_bignum2(dh->pub_key); - packet_send(); - - debug("sending SSH2_MSG_KEXDH_INIT"); -#ifdef DEBUG_KEXDH - DHparams_print_fp(stderr, dh); - fprintf(stderr, "pub= "); - BN_print_fp(stderr, dh->pub_key); - fprintf(stderr, "\n"); -#endif - - debug("expecting SSH2_MSG_KEXDH_REPLY"); - packet_read_expect(SSH2_MSG_KEXDH_REPLY); - - /* key, cert */ - server_host_key_blob = packet_get_string(&sbloblen); - server_host_key = key_from_blob(server_host_key_blob, sbloblen); - if (server_host_key == NULL) - fatal("cannot decode server_host_key_blob"); - if (server_host_key->type != kex->hostkey_type) - fatal("type mismatch for decoded server_host_key_blob"); - if (kex->verify_host_key == NULL) - fatal("cannot verify server_host_key"); - if (kex->verify_host_key(server_host_key) == -1) - fatal("server_host_key verification failed"); - - /* DH paramter f, server public DH key */ - if ((dh_server_pub = BN_new()) == NULL) - fatal("dh_server_pub == NULL"); - packet_get_bignum2(dh_server_pub); - -#ifdef DEBUG_KEXDH - fprintf(stderr, "dh_server_pub= "); - BN_print_fp(stderr, dh_server_pub); - fprintf(stderr, "\n"); - debug("bits %d", BN_num_bits(dh_server_pub)); -#endif - - /* signed H */ - signature = packet_get_string(&slen); - packet_check_eom(); - - if (!dh_pub_is_valid(dh, dh_server_pub)) - packet_disconnect("bad server public DH value"); - - klen = DH_size(dh); - kbuf = xmalloc(klen); - kout = DH_compute_key(kbuf, dh_server_pub, dh); -#ifdef DEBUG_KEXDH - dump_digest("shared secret", kbuf, kout); -#endif - if ((shared_secret = BN_new()) == NULL) - fatal("kexdh_client: BN_new failed"); - BN_bin2bn(kbuf, kout, shared_secret); - memset(kbuf, 0, klen); - xfree(kbuf); - - /* calc and verify H */ - hash = kex_dh_hash( - kex->client_version_string, - kex->server_version_string, - buffer_ptr(&kex->my), buffer_len(&kex->my), - buffer_ptr(&kex->peer), buffer_len(&kex->peer), - server_host_key_blob, sbloblen, - dh->pub_key, - dh_server_pub, - shared_secret - ); - xfree(server_host_key_blob); - BN_clear_free(dh_server_pub); - DH_free(dh); - - if (key_verify(server_host_key, signature, slen, hash, 20) != 1) - fatal("key_verify failed for server_host_key"); - key_free(server_host_key); - xfree(signature); - - /* save session id */ - if (kex->session_id == NULL) { - kex->session_id_len = 20; - kex->session_id = xmalloc(kex->session_id_len); - memcpy(kex->session_id, hash, kex->session_id_len); - } - - kex_derive_keys(kex, hash, shared_secret); - BN_clear_free(shared_secret); - kex_finish(kex); -} - -/* server */ - -static void -kexdh_server(Kex *kex) -{ - BIGNUM *shared_secret = NULL, *dh_client_pub = NULL; - DH *dh; - Key *server_host_key; - u_char *kbuf, *hash, *signature = NULL, *server_host_key_blob = NULL; - u_int sbloblen, klen, kout; - u_int slen; - - /* generate server DH public key */ - dh = dh_new_group1(); - dh_gen_key(dh, kex->we_need * 8); - - debug("expecting SSH2_MSG_KEXDH_INIT"); - packet_read_expect(SSH2_MSG_KEXDH_INIT); - - if (kex->load_host_key == NULL) - fatal("Cannot load hostkey"); - server_host_key = kex->load_host_key(kex->hostkey_type); - if (server_host_key == NULL) - fatal("Unsupported hostkey type %d", kex->hostkey_type); - - /* key, cert */ - if ((dh_client_pub = BN_new()) == NULL) - fatal("dh_client_pub == NULL"); - packet_get_bignum2(dh_client_pub); - packet_check_eom(); - -#ifdef DEBUG_KEXDH - fprintf(stderr, "dh_client_pub= "); - BN_print_fp(stderr, dh_client_pub); - fprintf(stderr, "\n"); - debug("bits %d", BN_num_bits(dh_client_pub)); -#endif - -#ifdef DEBUG_KEXDH - DHparams_print_fp(stderr, dh); - fprintf(stderr, "pub= "); - BN_print_fp(stderr, dh->pub_key); - fprintf(stderr, "\n"); -#endif - if (!dh_pub_is_valid(dh, dh_client_pub)) - packet_disconnect("bad client public DH value"); - - klen = DH_size(dh); - kbuf = xmalloc(klen); - kout = DH_compute_key(kbuf, dh_client_pub, dh); -#ifdef DEBUG_KEXDH - dump_digest("shared secret", kbuf, kout); -#endif - if ((shared_secret = BN_new()) == NULL) - fatal("kexdh_server: BN_new failed"); - BN_bin2bn(kbuf, kout, shared_secret); - memset(kbuf, 0, klen); - xfree(kbuf); - - key_to_blob(server_host_key, &server_host_key_blob, &sbloblen); - - /* calc H */ - hash = kex_dh_hash( - kex->client_version_string, - kex->server_version_string, - buffer_ptr(&kex->peer), buffer_len(&kex->peer), - buffer_ptr(&kex->my), buffer_len(&kex->my), - server_host_key_blob, sbloblen, - dh_client_pub, - dh->pub_key, - shared_secret - ); - BN_clear_free(dh_client_pub); - - /* save session id := H */ - /* XXX hashlen depends on KEX */ - if (kex->session_id == NULL) { - kex->session_id_len = 20; - kex->session_id = xmalloc(kex->session_id_len); - memcpy(kex->session_id, hash, kex->session_id_len); - } - - /* sign H */ - /* XXX hashlen depends on KEX */ - PRIVSEP(key_sign(server_host_key, &signature, &slen, hash, 20)); - - /* destroy_sensitive_data(); */ - - /* send server hostkey, DH pubkey 'f' and singed H */ - packet_start(SSH2_MSG_KEXDH_REPLY); - packet_put_string(server_host_key_blob, sbloblen); - packet_put_bignum2(dh->pub_key); /* f */ - packet_put_string(signature, slen); - packet_send(); - - xfree(signature); - xfree(server_host_key_blob); - /* have keys, free DH */ - DH_free(dh); - - kex_derive_keys(kex, hash, shared_secret); - BN_clear_free(shared_secret); - kex_finish(kex); -} - -void -kexdh(Kex *kex) -{ - if (kex->server) - kexdh_server(kex); - else - kexdh_client(kex); -} diff --git a/crypto/openssh/kexdhc.c b/crypto/openssh/kexdhc.c new file mode 100644 index 0000000..fe6dc53 --- /dev/null +++ b/crypto/openssh/kexdhc.c @@ -0,0 +1,137 @@ +/* + * Copyright (c) 2001 Markus Friedl. 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + */ + +#include "includes.h" +RCSID("$OpenBSD: kexdhc.c,v 1.1 2003/02/16 17:09:57 markus Exp $"); + +#include "xmalloc.h" +#include "key.h" +#include "kex.h" +#include "log.h" +#include "packet.h" +#include "dh.h" +#include "ssh2.h" + +void +kexdh_client(Kex *kex) +{ + BIGNUM *dh_server_pub = NULL, *shared_secret = NULL; + DH *dh; + Key *server_host_key; + u_char *server_host_key_blob = NULL, *signature = NULL; + u_char *kbuf, *hash; + u_int klen, kout, slen, sbloblen; + + /* generate and send 'e', client DH public key */ + dh = dh_new_group1(); + dh_gen_key(dh, kex->we_need * 8); + packet_start(SSH2_MSG_KEXDH_INIT); + packet_put_bignum2(dh->pub_key); + packet_send(); + + debug("sending SSH2_MSG_KEXDH_INIT"); +#ifdef DEBUG_KEXDH + DHparams_print_fp(stderr, dh); + fprintf(stderr, "pub= "); + BN_print_fp(stderr, dh->pub_key); + fprintf(stderr, "\n"); +#endif + + debug("expecting SSH2_MSG_KEXDH_REPLY"); + packet_read_expect(SSH2_MSG_KEXDH_REPLY); + + /* key, cert */ + server_host_key_blob = packet_get_string(&sbloblen); + server_host_key = key_from_blob(server_host_key_blob, sbloblen); + if (server_host_key == NULL) + fatal("cannot decode server_host_key_blob"); + if (server_host_key->type != kex->hostkey_type) + fatal("type mismatch for decoded server_host_key_blob"); + if (kex->verify_host_key == NULL) + fatal("cannot verify server_host_key"); + if (kex->verify_host_key(server_host_key) == -1) + fatal("server_host_key verification failed"); + + /* DH paramter f, server public DH key */ + if ((dh_server_pub = BN_new()) == NULL) + fatal("dh_server_pub == NULL"); + packet_get_bignum2(dh_server_pub); + +#ifdef DEBUG_KEXDH + fprintf(stderr, "dh_server_pub= "); + BN_print_fp(stderr, dh_server_pub); + fprintf(stderr, "\n"); + debug("bits %d", BN_num_bits(dh_server_pub)); +#endif + + /* signed H */ + signature = packet_get_string(&slen); + packet_check_eom(); + + if (!dh_pub_is_valid(dh, dh_server_pub)) + packet_disconnect("bad server public DH value"); + + klen = DH_size(dh); + kbuf = xmalloc(klen); + kout = DH_compute_key(kbuf, dh_server_pub, dh); +#ifdef DEBUG_KEXDH + dump_digest("shared secret", kbuf, kout); +#endif + if ((shared_secret = BN_new()) == NULL) + fatal("kexdh_client: BN_new failed"); + BN_bin2bn(kbuf, kout, shared_secret); + memset(kbuf, 0, klen); + xfree(kbuf); + + /* calc and verify H */ + hash = kex_dh_hash( + kex->client_version_string, + kex->server_version_string, + buffer_ptr(&kex->my), buffer_len(&kex->my), + buffer_ptr(&kex->peer), buffer_len(&kex->peer), + server_host_key_blob, sbloblen, + dh->pub_key, + dh_server_pub, + shared_secret + ); + xfree(server_host_key_blob); + BN_clear_free(dh_server_pub); + DH_free(dh); + + if (key_verify(server_host_key, signature, slen, hash, 20) != 1) + fatal("key_verify failed for server_host_key"); + key_free(server_host_key); + xfree(signature); + + /* save session id */ + if (kex->session_id == NULL) { + kex->session_id_len = 20; + kex->session_id = xmalloc(kex->session_id_len); + memcpy(kex->session_id, hash, kex->session_id_len); + } + + kex_derive_keys(kex, hash, shared_secret); + BN_clear_free(shared_secret); + kex_finish(kex); +} diff --git a/crypto/openssh/kexdhs.c b/crypto/openssh/kexdhs.c new file mode 100644 index 0000000..f04bce8 --- /dev/null +++ b/crypto/openssh/kexdhs.c @@ -0,0 +1,138 @@ +/* + * Copyright (c) 2001 Markus Friedl. 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + */ + +#include "includes.h" +RCSID("$OpenBSD: kexdhs.c,v 1.1 2003/02/16 17:09:57 markus Exp $"); + +#include "xmalloc.h" +#include "key.h" +#include "kex.h" +#include "log.h" +#include "packet.h" +#include "dh.h" +#include "ssh2.h" +#include "monitor_wrap.h" + +void +kexdh_server(Kex *kex) +{ + BIGNUM *shared_secret = NULL, *dh_client_pub = NULL; + DH *dh; + Key *server_host_key; + u_char *kbuf, *hash, *signature = NULL, *server_host_key_blob = NULL; + u_int sbloblen, klen, kout; + u_int slen; + + /* generate server DH public key */ + dh = dh_new_group1(); + dh_gen_key(dh, kex->we_need * 8); + + debug("expecting SSH2_MSG_KEXDH_INIT"); + packet_read_expect(SSH2_MSG_KEXDH_INIT); + + if (kex->load_host_key == NULL) + fatal("Cannot load hostkey"); + server_host_key = kex->load_host_key(kex->hostkey_type); + if (server_host_key == NULL) + fatal("Unsupported hostkey type %d", kex->hostkey_type); + + /* key, cert */ + if ((dh_client_pub = BN_new()) == NULL) + fatal("dh_client_pub == NULL"); + packet_get_bignum2(dh_client_pub); + packet_check_eom(); + +#ifdef DEBUG_KEXDH + fprintf(stderr, "dh_client_pub= "); + BN_print_fp(stderr, dh_client_pub); + fprintf(stderr, "\n"); + debug("bits %d", BN_num_bits(dh_client_pub)); +#endif + +#ifdef DEBUG_KEXDH + DHparams_print_fp(stderr, dh); + fprintf(stderr, "pub= "); + BN_print_fp(stderr, dh->pub_key); + fprintf(stderr, "\n"); +#endif + if (!dh_pub_is_valid(dh, dh_client_pub)) + packet_disconnect("bad client public DH value"); + + klen = DH_size(dh); + kbuf = xmalloc(klen); + kout = DH_compute_key(kbuf, dh_client_pub, dh); +#ifdef DEBUG_KEXDH + dump_digest("shared secret", kbuf, kout); +#endif + if ((shared_secret = BN_new()) == NULL) + fatal("kexdh_server: BN_new failed"); + BN_bin2bn(kbuf, kout, shared_secret); + memset(kbuf, 0, klen); + xfree(kbuf); + + key_to_blob(server_host_key, &server_host_key_blob, &sbloblen); + + /* calc H */ + hash = kex_dh_hash( + kex->client_version_string, + kex->server_version_string, + buffer_ptr(&kex->peer), buffer_len(&kex->peer), + buffer_ptr(&kex->my), buffer_len(&kex->my), + server_host_key_blob, sbloblen, + dh_client_pub, + dh->pub_key, + shared_secret + ); + BN_clear_free(dh_client_pub); + + /* save session id := H */ + /* XXX hashlen depends on KEX */ + if (kex->session_id == NULL) { + kex->session_id_len = 20; + kex->session_id = xmalloc(kex->session_id_len); + memcpy(kex->session_id, hash, kex->session_id_len); + } + + /* sign H */ + /* XXX hashlen depends on KEX */ + PRIVSEP(key_sign(server_host_key, &signature, &slen, hash, 20)); + + /* destroy_sensitive_data(); */ + + /* send server hostkey, DH pubkey 'f' and singed H */ + packet_start(SSH2_MSG_KEXDH_REPLY); + packet_put_string(server_host_key_blob, sbloblen); + packet_put_bignum2(dh->pub_key); /* f */ + packet_put_string(signature, slen); + packet_send(); + + xfree(signature); + xfree(server_host_key_blob); + /* have keys, free DH */ + DH_free(dh); + + kex_derive_keys(kex, hash, shared_secret); + BN_clear_free(shared_secret); + kex_finish(kex); +} diff --git a/crypto/openssh/kexgex.c b/crypto/openssh/kexgex.c index 2d4a581..b0c39c8 100644 --- a/crypto/openssh/kexgex.c +++ b/crypto/openssh/kexgex.c @@ -24,23 +24,16 @@ */ #include "includes.h" -RCSID("$OpenBSD: kexgex.c,v 1.22 2002/03/24 17:27:03 stevesk Exp $"); +RCSID("$OpenBSD: kexgex.c,v 1.23 2003/02/16 17:09:57 markus Exp $"); -#include <openssl/bn.h> +#include <openssl/evp.h> -#include "xmalloc.h" #include "buffer.h" #include "bufaux.h" -#include "key.h" #include "kex.h" -#include "log.h" -#include "packet.h" -#include "dh.h" #include "ssh2.h" -#include "compat.h" -#include "monitor_wrap.h" -static u_char * +u_char * kexgex_hash( char *client_version_string, char *server_version_string, @@ -97,318 +90,3 @@ kexgex_hash( #endif return digest; } - -/* client */ - -static void -kexgex_client(Kex *kex) -{ - BIGNUM *dh_server_pub = NULL, *shared_secret = NULL; - BIGNUM *p = NULL, *g = NULL; - Key *server_host_key; - u_char *kbuf, *hash, *signature = NULL, *server_host_key_blob = NULL; - u_int klen, kout, slen, sbloblen; - int min, max, nbits; - DH *dh; - - nbits = dh_estimate(kex->we_need * 8); - - if (datafellows & SSH_OLD_DHGEX) { - debug("SSH2_MSG_KEX_DH_GEX_REQUEST_OLD sent"); - - /* Old GEX request */ - packet_start(SSH2_MSG_KEX_DH_GEX_REQUEST_OLD); - packet_put_int(nbits); - min = DH_GRP_MIN; - max = DH_GRP_MAX; - } else { - debug("SSH2_MSG_KEX_DH_GEX_REQUEST sent"); - - /* New GEX request */ - min = DH_GRP_MIN; - max = DH_GRP_MAX; - packet_start(SSH2_MSG_KEX_DH_GEX_REQUEST); - packet_put_int(min); - packet_put_int(nbits); - packet_put_int(max); - } -#ifdef DEBUG_KEXDH - fprintf(stderr, "\nmin = %d, nbits = %d, max = %d\n", - min, nbits, max); -#endif - packet_send(); - - debug("expecting SSH2_MSG_KEX_DH_GEX_GROUP"); - packet_read_expect(SSH2_MSG_KEX_DH_GEX_GROUP); - - if ((p = BN_new()) == NULL) - fatal("BN_new"); - packet_get_bignum2(p); - if ((g = BN_new()) == NULL) - fatal("BN_new"); - packet_get_bignum2(g); - packet_check_eom(); - - if (BN_num_bits(p) < min || BN_num_bits(p) > max) - fatal("DH_GEX group out of range: %d !< %d !< %d", - min, BN_num_bits(p), max); - - dh = dh_new_group(g, p); - dh_gen_key(dh, kex->we_need * 8); - -#ifdef DEBUG_KEXDH - DHparams_print_fp(stderr, dh); - fprintf(stderr, "pub= "); - BN_print_fp(stderr, dh->pub_key); - fprintf(stderr, "\n"); -#endif - - debug("SSH2_MSG_KEX_DH_GEX_INIT sent"); - /* generate and send 'e', client DH public key */ - packet_start(SSH2_MSG_KEX_DH_GEX_INIT); - packet_put_bignum2(dh->pub_key); - packet_send(); - - debug("expecting SSH2_MSG_KEX_DH_GEX_REPLY"); - packet_read_expect(SSH2_MSG_KEX_DH_GEX_REPLY); - - /* key, cert */ - server_host_key_blob = packet_get_string(&sbloblen); - server_host_key = key_from_blob(server_host_key_blob, sbloblen); - if (server_host_key == NULL) - fatal("cannot decode server_host_key_blob"); - if (server_host_key->type != kex->hostkey_type) - fatal("type mismatch for decoded server_host_key_blob"); - if (kex->verify_host_key == NULL) - fatal("cannot verify server_host_key"); - if (kex->verify_host_key(server_host_key) == -1) - fatal("server_host_key verification failed"); - - /* DH paramter f, server public DH key */ - if ((dh_server_pub = BN_new()) == NULL) - fatal("dh_server_pub == NULL"); - packet_get_bignum2(dh_server_pub); - -#ifdef DEBUG_KEXDH - fprintf(stderr, "dh_server_pub= "); - BN_print_fp(stderr, dh_server_pub); - fprintf(stderr, "\n"); - debug("bits %d", BN_num_bits(dh_server_pub)); -#endif - - /* signed H */ - signature = packet_get_string(&slen); - packet_check_eom(); - - if (!dh_pub_is_valid(dh, dh_server_pub)) - packet_disconnect("bad server public DH value"); - - klen = DH_size(dh); - kbuf = xmalloc(klen); - kout = DH_compute_key(kbuf, dh_server_pub, dh); -#ifdef DEBUG_KEXDH - dump_digest("shared secret", kbuf, kout); -#endif - if ((shared_secret = BN_new()) == NULL) - fatal("kexgex_client: BN_new failed"); - BN_bin2bn(kbuf, kout, shared_secret); - memset(kbuf, 0, klen); - xfree(kbuf); - - if (datafellows & SSH_OLD_DHGEX) - min = max = -1; - - /* calc and verify H */ - hash = kexgex_hash( - kex->client_version_string, - kex->server_version_string, - buffer_ptr(&kex->my), buffer_len(&kex->my), - buffer_ptr(&kex->peer), buffer_len(&kex->peer), - server_host_key_blob, sbloblen, - min, nbits, max, - dh->p, dh->g, - dh->pub_key, - dh_server_pub, - shared_secret - ); - /* have keys, free DH */ - DH_free(dh); - xfree(server_host_key_blob); - BN_clear_free(dh_server_pub); - - if (key_verify(server_host_key, signature, slen, hash, 20) != 1) - fatal("key_verify failed for server_host_key"); - key_free(server_host_key); - xfree(signature); - - /* save session id */ - if (kex->session_id == NULL) { - kex->session_id_len = 20; - kex->session_id = xmalloc(kex->session_id_len); - memcpy(kex->session_id, hash, kex->session_id_len); - } - kex_derive_keys(kex, hash, shared_secret); - BN_clear_free(shared_secret); - - kex_finish(kex); -} - -/* server */ - -static void -kexgex_server(Kex *kex) -{ - BIGNUM *shared_secret = NULL, *dh_client_pub = NULL; - Key *server_host_key; - DH *dh; - u_char *kbuf, *hash, *signature = NULL, *server_host_key_blob = NULL; - u_int sbloblen, klen, kout, slen; - int min = -1, max = -1, nbits = -1, type; - - if (kex->load_host_key == NULL) - fatal("Cannot load hostkey"); - server_host_key = kex->load_host_key(kex->hostkey_type); - if (server_host_key == NULL) - fatal("Unsupported hostkey type %d", kex->hostkey_type); - - type = packet_read(); - switch (type) { - case SSH2_MSG_KEX_DH_GEX_REQUEST: - debug("SSH2_MSG_KEX_DH_GEX_REQUEST received"); - min = packet_get_int(); - nbits = packet_get_int(); - max = packet_get_int(); - min = MAX(DH_GRP_MIN, min); - max = MIN(DH_GRP_MAX, max); - break; - case SSH2_MSG_KEX_DH_GEX_REQUEST_OLD: - debug("SSH2_MSG_KEX_DH_GEX_REQUEST_OLD received"); - nbits = packet_get_int(); - min = DH_GRP_MIN; - max = DH_GRP_MAX; - /* unused for old GEX */ - break; - default: - fatal("protocol error during kex, no DH_GEX_REQUEST: %d", type); - } - packet_check_eom(); - - if (max < min || nbits < min || max < nbits) - fatal("DH_GEX_REQUEST, bad parameters: %d !< %d !< %d", - min, nbits, max); - - /* Contact privileged parent */ - dh = PRIVSEP(choose_dh(min, nbits, max)); - if (dh == NULL) - packet_disconnect("Protocol error: no matching DH grp found"); - - debug("SSH2_MSG_KEX_DH_GEX_GROUP sent"); - packet_start(SSH2_MSG_KEX_DH_GEX_GROUP); - packet_put_bignum2(dh->p); - packet_put_bignum2(dh->g); - packet_send(); - - /* flush */ - packet_write_wait(); - - /* Compute our exchange value in parallel with the client */ - dh_gen_key(dh, kex->we_need * 8); - - debug("expecting SSH2_MSG_KEX_DH_GEX_INIT"); - packet_read_expect(SSH2_MSG_KEX_DH_GEX_INIT); - - /* key, cert */ - if ((dh_client_pub = BN_new()) == NULL) - fatal("dh_client_pub == NULL"); - packet_get_bignum2(dh_client_pub); - packet_check_eom(); - -#ifdef DEBUG_KEXDH - fprintf(stderr, "dh_client_pub= "); - BN_print_fp(stderr, dh_client_pub); - fprintf(stderr, "\n"); - debug("bits %d", BN_num_bits(dh_client_pub)); -#endif - -#ifdef DEBUG_KEXDH - DHparams_print_fp(stderr, dh); - fprintf(stderr, "pub= "); - BN_print_fp(stderr, dh->pub_key); - fprintf(stderr, "\n"); -#endif - if (!dh_pub_is_valid(dh, dh_client_pub)) - packet_disconnect("bad client public DH value"); - - klen = DH_size(dh); - kbuf = xmalloc(klen); - kout = DH_compute_key(kbuf, dh_client_pub, dh); -#ifdef DEBUG_KEXDH - dump_digest("shared secret", kbuf, kout); -#endif - if ((shared_secret = BN_new()) == NULL) - fatal("kexgex_server: BN_new failed"); - BN_bin2bn(kbuf, kout, shared_secret); - memset(kbuf, 0, klen); - xfree(kbuf); - - key_to_blob(server_host_key, &server_host_key_blob, &sbloblen); - - if (type == SSH2_MSG_KEX_DH_GEX_REQUEST_OLD) - min = max = -1; - - /* calc H */ /* XXX depends on 'kex' */ - hash = kexgex_hash( - kex->client_version_string, - kex->server_version_string, - buffer_ptr(&kex->peer), buffer_len(&kex->peer), - buffer_ptr(&kex->my), buffer_len(&kex->my), - server_host_key_blob, sbloblen, - min, nbits, max, - dh->p, dh->g, - dh_client_pub, - dh->pub_key, - shared_secret - ); - BN_clear_free(dh_client_pub); - - /* save session id := H */ - /* XXX hashlen depends on KEX */ - if (kex->session_id == NULL) { - kex->session_id_len = 20; - kex->session_id = xmalloc(kex->session_id_len); - memcpy(kex->session_id, hash, kex->session_id_len); - } - - /* sign H */ - /* XXX hashlen depends on KEX */ - PRIVSEP(key_sign(server_host_key, &signature, &slen, hash, 20)); - - /* destroy_sensitive_data(); */ - - /* send server hostkey, DH pubkey 'f' and singed H */ - debug("SSH2_MSG_KEX_DH_GEX_REPLY sent"); - packet_start(SSH2_MSG_KEX_DH_GEX_REPLY); - packet_put_string(server_host_key_blob, sbloblen); - packet_put_bignum2(dh->pub_key); /* f */ - packet_put_string(signature, slen); - packet_send(); - - xfree(signature); - xfree(server_host_key_blob); - /* have keys, free DH */ - DH_free(dh); - - kex_derive_keys(kex, hash, shared_secret); - BN_clear_free(shared_secret); - - kex_finish(kex); -} - -void -kexgex(Kex *kex) -{ - if (kex->server) - kexgex_server(kex); - else - kexgex_client(kex); -} diff --git a/crypto/openssh/kexgexc.c b/crypto/openssh/kexgexc.c new file mode 100644 index 0000000..f14ac44 --- /dev/null +++ b/crypto/openssh/kexgexc.c @@ -0,0 +1,189 @@ +/* + * Copyright (c) 2000 Niels Provos. All rights reserved. + * Copyright (c) 2001 Markus Friedl. 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + */ + +#include "includes.h" +RCSID("$OpenBSD: kexgexc.c,v 1.1 2003/02/16 17:09:57 markus Exp $"); + +#include "xmalloc.h" +#include "key.h" +#include "kex.h" +#include "log.h" +#include "packet.h" +#include "dh.h" +#include "ssh2.h" +#include "compat.h" + +void +kexgex_client(Kex *kex) +{ + BIGNUM *dh_server_pub = NULL, *shared_secret = NULL; + BIGNUM *p = NULL, *g = NULL; + Key *server_host_key; + u_char *kbuf, *hash, *signature = NULL, *server_host_key_blob = NULL; + u_int klen, kout, slen, sbloblen; + int min, max, nbits; + DH *dh; + + nbits = dh_estimate(kex->we_need * 8); + + if (datafellows & SSH_OLD_DHGEX) { + debug("SSH2_MSG_KEX_DH_GEX_REQUEST_OLD sent"); + + /* Old GEX request */ + packet_start(SSH2_MSG_KEX_DH_GEX_REQUEST_OLD); + packet_put_int(nbits); + min = DH_GRP_MIN; + max = DH_GRP_MAX; + } else { + debug("SSH2_MSG_KEX_DH_GEX_REQUEST sent"); + + /* New GEX request */ + min = DH_GRP_MIN; + max = DH_GRP_MAX; + packet_start(SSH2_MSG_KEX_DH_GEX_REQUEST); + packet_put_int(min); + packet_put_int(nbits); + packet_put_int(max); + } +#ifdef DEBUG_KEXDH + fprintf(stderr, "\nmin = %d, nbits = %d, max = %d\n", + min, nbits, max); +#endif + packet_send(); + + debug("expecting SSH2_MSG_KEX_DH_GEX_GROUP"); + packet_read_expect(SSH2_MSG_KEX_DH_GEX_GROUP); + + if ((p = BN_new()) == NULL) + fatal("BN_new"); + packet_get_bignum2(p); + if ((g = BN_new()) == NULL) + fatal("BN_new"); + packet_get_bignum2(g); + packet_check_eom(); + + if (BN_num_bits(p) < min || BN_num_bits(p) > max) + fatal("DH_GEX group out of range: %d !< %d !< %d", + min, BN_num_bits(p), max); + + dh = dh_new_group(g, p); + dh_gen_key(dh, kex->we_need * 8); + +#ifdef DEBUG_KEXDH + DHparams_print_fp(stderr, dh); + fprintf(stderr, "pub= "); + BN_print_fp(stderr, dh->pub_key); + fprintf(stderr, "\n"); +#endif + + debug("SSH2_MSG_KEX_DH_GEX_INIT sent"); + /* generate and send 'e', client DH public key */ + packet_start(SSH2_MSG_KEX_DH_GEX_INIT); + packet_put_bignum2(dh->pub_key); + packet_send(); + + debug("expecting SSH2_MSG_KEX_DH_GEX_REPLY"); + packet_read_expect(SSH2_MSG_KEX_DH_GEX_REPLY); + + /* key, cert */ + server_host_key_blob = packet_get_string(&sbloblen); + server_host_key = key_from_blob(server_host_key_blob, sbloblen); + if (server_host_key == NULL) + fatal("cannot decode server_host_key_blob"); + if (server_host_key->type != kex->hostkey_type) + fatal("type mismatch for decoded server_host_key_blob"); + if (kex->verify_host_key == NULL) + fatal("cannot verify server_host_key"); + if (kex->verify_host_key(server_host_key) == -1) + fatal("server_host_key verification failed"); + + /* DH paramter f, server public DH key */ + if ((dh_server_pub = BN_new()) == NULL) + fatal("dh_server_pub == NULL"); + packet_get_bignum2(dh_server_pub); + +#ifdef DEBUG_KEXDH + fprintf(stderr, "dh_server_pub= "); + BN_print_fp(stderr, dh_server_pub); + fprintf(stderr, "\n"); + debug("bits %d", BN_num_bits(dh_server_pub)); +#endif + + /* signed H */ + signature = packet_get_string(&slen); + packet_check_eom(); + + if (!dh_pub_is_valid(dh, dh_server_pub)) + packet_disconnect("bad server public DH value"); + + klen = DH_size(dh); + kbuf = xmalloc(klen); + kout = DH_compute_key(kbuf, dh_server_pub, dh); +#ifdef DEBUG_KEXDH + dump_digest("shared secret", kbuf, kout); +#endif + if ((shared_secret = BN_new()) == NULL) + fatal("kexgex_client: BN_new failed"); + BN_bin2bn(kbuf, kout, shared_secret); + memset(kbuf, 0, klen); + xfree(kbuf); + + if (datafellows & SSH_OLD_DHGEX) + min = max = -1; + + /* calc and verify H */ + hash = kexgex_hash( + kex->client_version_string, + kex->server_version_string, + buffer_ptr(&kex->my), buffer_len(&kex->my), + buffer_ptr(&kex->peer), buffer_len(&kex->peer), + server_host_key_blob, sbloblen, + min, nbits, max, + dh->p, dh->g, + dh->pub_key, + dh_server_pub, + shared_secret + ); + /* have keys, free DH */ + DH_free(dh); + xfree(server_host_key_blob); + BN_clear_free(dh_server_pub); + + if (key_verify(server_host_key, signature, slen, hash, 20) != 1) + fatal("key_verify failed for server_host_key"); + key_free(server_host_key); + xfree(signature); + + /* save session id */ + if (kex->session_id == NULL) { + kex->session_id_len = 20; + kex->session_id = xmalloc(kex->session_id_len); + memcpy(kex->session_id, hash, kex->session_id_len); + } + kex_derive_keys(kex, hash, shared_secret); + BN_clear_free(shared_secret); + + kex_finish(kex); +} diff --git a/crypto/openssh/kexgexs.c b/crypto/openssh/kexgexs.c new file mode 100644 index 0000000..baebfcf --- /dev/null +++ b/crypto/openssh/kexgexs.c @@ -0,0 +1,186 @@ +/* + * Copyright (c) 2000 Niels Provos. All rights reserved. + * Copyright (c) 2001 Markus Friedl. 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + */ + +#include "includes.h" +RCSID("$OpenBSD: kexgexs.c,v 1.1 2003/02/16 17:09:57 markus Exp $"); + +#include "xmalloc.h" +#include "key.h" +#include "kex.h" +#include "log.h" +#include "packet.h" +#include "dh.h" +#include "ssh2.h" +#include "compat.h" +#include "monitor_wrap.h" + +void +kexgex_server(Kex *kex) +{ + BIGNUM *shared_secret = NULL, *dh_client_pub = NULL; + Key *server_host_key; + DH *dh; + u_char *kbuf, *hash, *signature = NULL, *server_host_key_blob = NULL; + u_int sbloblen, klen, kout, slen; + int min = -1, max = -1, nbits = -1, type; + + if (kex->load_host_key == NULL) + fatal("Cannot load hostkey"); + server_host_key = kex->load_host_key(kex->hostkey_type); + if (server_host_key == NULL) + fatal("Unsupported hostkey type %d", kex->hostkey_type); + + type = packet_read(); + switch (type) { + case SSH2_MSG_KEX_DH_GEX_REQUEST: + debug("SSH2_MSG_KEX_DH_GEX_REQUEST received"); + min = packet_get_int(); + nbits = packet_get_int(); + max = packet_get_int(); + min = MAX(DH_GRP_MIN, min); + max = MIN(DH_GRP_MAX, max); + break; + case SSH2_MSG_KEX_DH_GEX_REQUEST_OLD: + debug("SSH2_MSG_KEX_DH_GEX_REQUEST_OLD received"); + nbits = packet_get_int(); + min = DH_GRP_MIN; + max = DH_GRP_MAX; + /* unused for old GEX */ + break; + default: + fatal("protocol error during kex, no DH_GEX_REQUEST: %d", type); + } + packet_check_eom(); + + if (max < min || nbits < min || max < nbits) + fatal("DH_GEX_REQUEST, bad parameters: %d !< %d !< %d", + min, nbits, max); + + /* Contact privileged parent */ + dh = PRIVSEP(choose_dh(min, nbits, max)); + if (dh == NULL) + packet_disconnect("Protocol error: no matching DH grp found"); + + debug("SSH2_MSG_KEX_DH_GEX_GROUP sent"); + packet_start(SSH2_MSG_KEX_DH_GEX_GROUP); + packet_put_bignum2(dh->p); + packet_put_bignum2(dh->g); + packet_send(); + + /* flush */ + packet_write_wait(); + + /* Compute our exchange value in parallel with the client */ + dh_gen_key(dh, kex->we_need * 8); + + debug("expecting SSH2_MSG_KEX_DH_GEX_INIT"); + packet_read_expect(SSH2_MSG_KEX_DH_GEX_INIT); + + /* key, cert */ + if ((dh_client_pub = BN_new()) == NULL) + fatal("dh_client_pub == NULL"); + packet_get_bignum2(dh_client_pub); + packet_check_eom(); + +#ifdef DEBUG_KEXDH + fprintf(stderr, "dh_client_pub= "); + BN_print_fp(stderr, dh_client_pub); + fprintf(stderr, "\n"); + debug("bits %d", BN_num_bits(dh_client_pub)); +#endif + +#ifdef DEBUG_KEXDH + DHparams_print_fp(stderr, dh); + fprintf(stderr, "pub= "); + BN_print_fp(stderr, dh->pub_key); + fprintf(stderr, "\n"); +#endif + if (!dh_pub_is_valid(dh, dh_client_pub)) + packet_disconnect("bad client public DH value"); + + klen = DH_size(dh); + kbuf = xmalloc(klen); + kout = DH_compute_key(kbuf, dh_client_pub, dh); +#ifdef DEBUG_KEXDH + dump_digest("shared secret", kbuf, kout); +#endif + if ((shared_secret = BN_new()) == NULL) + fatal("kexgex_server: BN_new failed"); + BN_bin2bn(kbuf, kout, shared_secret); + memset(kbuf, 0, klen); + xfree(kbuf); + + key_to_blob(server_host_key, &server_host_key_blob, &sbloblen); + + if (type == SSH2_MSG_KEX_DH_GEX_REQUEST_OLD) + min = max = -1; + + /* calc H */ /* XXX depends on 'kex' */ + hash = kexgex_hash( + kex->client_version_string, + kex->server_version_string, + buffer_ptr(&kex->peer), buffer_len(&kex->peer), + buffer_ptr(&kex->my), buffer_len(&kex->my), + server_host_key_blob, sbloblen, + min, nbits, max, + dh->p, dh->g, + dh_client_pub, + dh->pub_key, + shared_secret + ); + BN_clear_free(dh_client_pub); + + /* save session id := H */ + /* XXX hashlen depends on KEX */ + if (kex->session_id == NULL) { + kex->session_id_len = 20; + kex->session_id = xmalloc(kex->session_id_len); + memcpy(kex->session_id, hash, kex->session_id_len); + } + + /* sign H */ + /* XXX hashlen depends on KEX */ + PRIVSEP(key_sign(server_host_key, &signature, &slen, hash, 20)); + + /* destroy_sensitive_data(); */ + + /* send server hostkey, DH pubkey 'f' and singed H */ + debug("SSH2_MSG_KEX_DH_GEX_REPLY sent"); + packet_start(SSH2_MSG_KEX_DH_GEX_REPLY); + packet_put_string(server_host_key_blob, sbloblen); + packet_put_bignum2(dh->pub_key); /* f */ + packet_put_string(signature, slen); + packet_send(); + + xfree(signature); + xfree(server_host_key_blob); + /* have keys, free DH */ + DH_free(dh); + + kex_derive_keys(kex, hash, shared_secret); + BN_clear_free(shared_secret); + + kex_finish(kex); +} diff --git a/crypto/openssh/key.c b/crypto/openssh/key.c index 9806a72..060b637 100644 --- a/crypto/openssh/key.c +++ b/crypto/openssh/key.c @@ -32,15 +32,13 @@ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "includes.h" -RCSID("$OpenBSD: key.c,v 1.49 2002/09/09 14:54:14 markus Exp $"); +RCSID("$OpenBSD: key.c,v 1.51 2003/02/12 09:33:04 markus Exp $"); #include <openssl/evp.h> #include "xmalloc.h" #include "key.h" #include "rsa.h" -#include "ssh-dss.h" -#include "ssh-rsa.h" #include "uuencode.h" #include "buffer.h" #include "bufaux.h" @@ -410,14 +408,14 @@ key_read(Key *ret, char **cpp) case KEY_DSA: space = strchr(cp, ' '); if (space == NULL) { - debug3("key_read: no space"); + debug3("key_read: missing whitespace"); return -1; } *space = '\0'; type = key_type_from_name(cp); *space = ' '; if (type == KEY_UNSPEC) { - debug3("key_read: no key found"); + debug3("key_read: missing keytype"); return -1; } cp = space+1; diff --git a/crypto/openssh/key.h b/crypto/openssh/key.h index 8d1fa41..725c7a0 100644 --- a/crypto/openssh/key.h +++ b/crypto/openssh/key.h @@ -1,4 +1,4 @@ -/* $OpenBSD: key.h,v 1.19 2002/03/18 17:23:31 markus Exp $ */ +/* $OpenBSD: key.h,v 1.20 2003/02/12 09:33:04 markus Exp $ */ /* * Copyright (c) 2000, 2001 Markus Friedl. All rights reserved. @@ -78,4 +78,9 @@ int key_names_valid2(const char *); int key_sign(Key *, u_char **, u_int *, u_char *, u_int); int key_verify(Key *, u_char *, u_int, u_char *, u_int); +int ssh_dss_sign(Key *, u_char **, u_int *, u_char *, u_int); +int ssh_dss_verify(Key *, u_char *, u_int, u_char *, u_int); +int ssh_rsa_sign(Key *, u_char **, u_int *, u_char *, u_int); +int ssh_rsa_verify(Key *, u_char *, u_int, u_char *, u_int); + #endif diff --git a/crypto/openssh/log.c b/crypto/openssh/log.c index 96626d7..84e4ce0 100644 --- a/crypto/openssh/log.c +++ b/crypto/openssh/log.c @@ -34,7 +34,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: log.c,v 1.24 2002/07/19 15:43:33 markus Exp $"); +RCSID("$OpenBSD: log.c,v 1.25 2003/01/11 18:29:43 markus Exp $"); #include "log.h" #include "xmalloc.h" @@ -233,6 +233,7 @@ fatal_remove_all_cleanups(void) next_cu = cu->next; xfree(cu); } + fatal_cleanups = NULL; } /* Cleanup and exit */ @@ -386,11 +387,14 @@ do_log(LogLevel level, const char *fmt, va_list args) } else { vsnprintf(msgbuf, sizeof(msgbuf), fmt, args); } + /* Escape magic chars in output. */ + strnvis(fmtbuf, msgbuf, sizeof(fmtbuf), VIS_OCTAL); + if (log_on_stderr) { - fprintf(stderr, "%s\r\n", msgbuf); + fprintf(stderr, "%s\r\n", fmtbuf); } else { openlog(argv0 ? argv0 : __progname, LOG_PID, log_facility); - syslog(pri, "%.500s", msgbuf); + syslog(pri, "%.500s", fmtbuf); closelog(); } } diff --git a/crypto/openssh/loginrec.c b/crypto/openssh/loginrec.c index 02c3106..6697ca7 100644 --- a/crypto/openssh/loginrec.c +++ b/crypto/openssh/loginrec.c @@ -163,7 +163,7 @@ #include "log.h" #include "atomicio.h" -RCSID("$Id: loginrec.c,v 1.44 2002/09/26 00:38:49 tim Exp $"); +RCSID("$Id: loginrec.c,v 1.47 2003/03/10 00:23:07 djm Exp $"); #ifdef HAVE_UTIL_H # include <util.h> @@ -609,6 +609,9 @@ void construct_utmp(struct logininfo *li, struct utmp *ut) { +# ifdef HAVE_ADDR_V6_IN_UTMP + struct sockaddr_in6 *sa6; +# endif memset(ut, '\0', sizeof(*ut)); /* First fill out fields used for both logins and logouts */ @@ -661,6 +664,19 @@ construct_utmp(struct logininfo *li, if (li->hostaddr.sa.sa_family == AF_INET) ut->ut_addr = li->hostaddr.sa_in.sin_addr.s_addr; # endif +# ifdef HAVE_ADDR_V6_IN_UTMP + /* this is just a 128-bit IPv6 address */ + if (li->hostaddr.sa.sa_family == AF_INET6) { + sa6 = ((struct sockaddr_in6 *)&li->hostaddr.sa); + memcpy(ut->ut_addr_v6, sa6->sin6_addr.s6_addr, 16); + if (IN6_IS_ADDR_V4MAPPED(&sa6->sin6_addr)) { + ut->ut_addr_v6[0] = ut->ut_addr_v6[3]; + ut->ut_addr_v6[1] = 0; + ut->ut_addr_v6[2] = 0; + ut->ut_addr_v6[3] = 0; + } + } +# endif } #endif /* USE_UTMP || USE_WTMP || USE_LOGIN */ @@ -689,6 +705,9 @@ set_utmpx_time(struct logininfo *li, struct utmpx *utx) void construct_utmpx(struct logininfo *li, struct utmpx *utx) { +# ifdef HAVE_ADDR_V6_IN_UTMP + struct sockaddr_in6 *sa6; +# endif memset(utx, '\0', sizeof(*utx)); # ifdef HAVE_ID_IN_UTMPX line_abbrevname(utx->ut_id, li->line, sizeof(utx->ut_id)); @@ -725,6 +744,19 @@ construct_utmpx(struct logininfo *li, struct utmpx *utx) if (li->hostaddr.sa.sa_family == AF_INET) utx->ut_addr = li->hostaddr.sa_in.sin_addr.s_addr; # endif +# ifdef HAVE_ADDR_V6_IN_UTMP + /* this is just a 128-bit IPv6 address */ + if (li->hostaddr.sa.sa_family == AF_INET6) { + sa6 = ((struct sockaddr_in6 *)&li->hostaddr.sa); + memcpy(ut->ut_addr_v6, sa6->sin6_addr.s6_addr, 16); + if (IN6_IS_ADDR_V4MAPPED(&sa6->sin6_addr)) { + ut->ut_addr_v6[0] = ut->ut_addr_v6[3]; + ut->ut_addr_v6[1] = 0; + ut->ut_addr_v6[2] = 0; + ut->ut_addr_v6[3] = 0; + } + } +# endif # ifdef HAVE_SYSLEN_IN_UTMPX /* ut_syslen is the length of the utx_host string */ utx->ut_syslen = MIN(strlen(li->hostname), sizeof(utx->ut_host)); @@ -1313,6 +1345,7 @@ syslogin_perform_login(struct logininfo *li) } construct_utmp(li, ut); login(ut); + free(ut); return 1; } @@ -1490,22 +1523,32 @@ int lastlog_get_entry(struct logininfo *li) { struct lastlog last; - int fd; + int fd, ret; if (!lastlog_openseek(li, &fd, O_RDONLY)) - return 0; - - if (atomicio(read, fd, &last, sizeof(last)) != sizeof(last)) { - close(fd); - log("lastlog_get_entry: Error reading from %s: %s", - LASTLOG_FILE, strerror(errno)); - return 0; - } + return (0); + ret = atomicio(read, fd, &last, sizeof(last)); close(fd); - lastlog_populate_entry(li, &last); + switch (ret) { + case 0: + memset(&last, '\0', sizeof(last)); + /* FALLTHRU */ + case sizeof(last): + lastlog_populate_entry(li, &last); + return (1); + case -1: + error("%s: Error reading from %s: %s", __func__, + LASTLOG_FILE, strerror(errno)); + return (0); + default: + error("%s: Error reading from %s: Expecting %d, got %d", + __func__, LASTLOG_FILE, sizeof(last), ret); + return (0); + } - return 1; + /* NOTREACHED */ + return (0); } #endif /* USE_LASTLOG */ diff --git a/crypto/openssh/misc.c b/crypto/openssh/misc.c index e9fcef6..512fb22 100644 --- a/crypto/openssh/misc.c +++ b/crypto/openssh/misc.c @@ -23,7 +23,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: misc.c,v 1.19 2002/03/04 17:27:39 stevesk Exp $"); +RCSID("$OpenBSD: misc.c,v 1.20 2002/12/13 10:03:15 markus Exp $"); #include "misc.h" #include "log.h" @@ -105,7 +105,7 @@ set_nodelay(int fd) return; } opt = 1; - debug("fd %d setting TCP_NODELAY", fd); + debug2("fd %d setting TCP_NODELAY", fd); if (setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &opt, sizeof opt) == -1) error("setsockopt TCP_NODELAY: %.100s", strerror(errno)); } diff --git a/crypto/openssh/monitor.c b/crypto/openssh/monitor.c index 4ad3f3d..bcd007e 100644 --- a/crypto/openssh/monitor.c +++ b/crypto/openssh/monitor.c @@ -25,7 +25,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: monitor.c,v 1.29 2002/09/26 11:38:43 markus Exp $"); +RCSID("$OpenBSD: monitor.c,v 1.36 2003/04/01 10:22:21 markus Exp $"); #include <openssl/dh.h> @@ -634,20 +634,20 @@ mm_answer_bsdauthquery(int socket, Buffer *m) u_int numprompts; u_int *echo_on; char **prompts; - int res; + u_int success; - res = bsdauth_query(authctxt, &name, &infotxt, &numprompts, - &prompts, &echo_on); + success = bsdauth_query(authctxt, &name, &infotxt, &numprompts, + &prompts, &echo_on) < 0 ? 0 : 1; buffer_clear(m); - buffer_put_int(m, res); - if (res != -1) + buffer_put_int(m, success); + if (success) buffer_put_cstring(m, prompts[0]); - debug3("%s: sending challenge res: %d", __func__, res); + debug3("%s: sending challenge success: %u", __func__, success); mm_request_send(socket, MONITOR_ANS_BSDAUTHQUERY, m); - if (res != -1) { + if (success) { xfree(name); xfree(infotxt); xfree(prompts); @@ -691,16 +691,16 @@ mm_answer_skeyquery(int socket, Buffer *m) { struct skey skey; char challenge[1024]; - int res; + u_int success; - res = skeychallenge(&skey, authctxt->user, challenge); + success = skeychallenge(&skey, authctxt->user, challenge) < 0 ? 0 : 1; buffer_clear(m); - buffer_put_int(m, res); - if (res != -1) + buffer_put_int(m, success); + if (success) buffer_put_cstring(m, challenge); - debug3("%s: sending challenge res: %d", __func__, res); + debug3("%s: sending challenge success: %u", __func__, success); mm_request_send(socket, MONITOR_ANS_SKEYQUERY, m); return (0); @@ -806,8 +806,9 @@ mm_answer_keyallowed(int socket, Buffer *m) fatal("%s: unknown key type %d", __func__, type); break; } - key_free(key); } + if (key != NULL) + key_free(key); /* clear temporarily storage (used by verify) */ monitor_reset_key_state(); @@ -826,6 +827,7 @@ mm_answer_keyallowed(int socket, Buffer *m) buffer_clear(m); buffer_put_int(m, allowed); + buffer_put_int(m, forced_command != NULL); mm_append_debug(m); @@ -1188,6 +1190,7 @@ mm_answer_rsa_keyallowed(int socket, Buffer *m) } buffer_clear(m); buffer_put_int(m, allowed); + buffer_put_int(m, forced_command != NULL); /* clear temporarily storage (used by generate challenge) */ monitor_reset_key_state(); @@ -1202,8 +1205,9 @@ mm_answer_rsa_keyallowed(int socket, Buffer *m) key_blob = blob; key_bloblen = blen; key_blobtype = MM_RSAUSERKEY; - key_free(key); } + if (key != NULL) + key_free(key); mm_append_debug(m); @@ -1244,6 +1248,9 @@ mm_answer_rsa_challenge(int socket, Buffer *m) mm_request_send(socket, MONITOR_ANS_RSACHALLENGE, m); monitor_permit(mon_dispatch, MONITOR_REQ_RSARESPONSE, 1); + + xfree(blob); + key_free(key); return (0); } @@ -1274,6 +1281,7 @@ mm_answer_rsa_response(int socket, Buffer *m) fatal("%s: received bad response to challenge", __func__); success = auth_rsa_verify_response(key, ssh1_challenge, response); + xfree(blob); key_free(key); xfree(response); @@ -1458,6 +1466,8 @@ mm_get_kex(Buffer *m) (memcmp(kex->session_id, session_id2, session_id2_len) != 0)) fatal("mm_get_get: internal error: bad session id"); kex->we_need = buffer_get_int(m); + kex->kex[KEX_DH_GRP1_SHA1] = kexdh_server; + kex->kex[KEX_DH_GEX_SHA1] = kexgex_server; kex->server = 1; kex->hostkey_type = buffer_get_int(m); kex->kex_type = buffer_get_int(m); @@ -1551,7 +1561,7 @@ mm_get_keystate(struct monitor *pmonitor) void * mm_zalloc(struct mm_master *mm, u_int ncount, u_int size) { - size_t len = size * ncount; + size_t len = (size_t) size * ncount; void *address; if (len == 0 || ncount > SIZE_T_MAX / size) diff --git a/crypto/openssh/monitor_wrap.c b/crypto/openssh/monitor_wrap.c index 4c53bfd..c971413 100644 --- a/crypto/openssh/monitor_wrap.c +++ b/crypto/openssh/monitor_wrap.c @@ -25,7 +25,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: monitor_wrap.c,v 1.19 2002/09/26 11:38:43 markus Exp $"); +RCSID("$OpenBSD: monitor_wrap.c,v 1.24 2003/04/01 10:22:21 markus Exp $"); #include <openssl/bn.h> #include <openssl/dh.h> @@ -34,6 +34,7 @@ RCSID("$OpenBSD: monitor_wrap.c,v 1.19 2002/09/26 11:38:43 markus Exp $"); #include "dh.h" #include "kex.h" #include "auth.h" +#include "auth-options.h" #include "buffer.h" #include "bufaux.h" #include "packet.h" @@ -312,7 +313,7 @@ mm_key_allowed(enum mm_keytype type, char *user, char *host, Key *key) Buffer m; u_char *blob; u_int len; - int allowed = 0; + int allowed = 0, have_forced = 0; debug3("%s entering", __func__); @@ -334,6 +335,11 @@ mm_key_allowed(enum mm_keytype type, char *user, char *host, Key *key) allowed = buffer_get_int(&m); + /* fake forced command */ + auth_clear_options(); + have_forced = buffer_get_int(&m); + forced_command = have_forced ? xstrdup("true") : NULL; + /* Send potential debug messages */ mm_send_debug(&m); @@ -714,7 +720,7 @@ mm_bsdauth_query(void *ctx, char **name, char **infotxt, u_int *numprompts, char ***prompts, u_int **echo_on) { Buffer m; - int res; + u_int success; char *challenge; debug3("%s: entering", __func__); @@ -724,8 +730,8 @@ mm_bsdauth_query(void *ctx, char **name, char **infotxt, mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_BSDAUTHQUERY, &m); - res = buffer_get_int(&m); - if (res == -1) { + success = buffer_get_int(&m); + if (success == 0) { debug3("%s: no challenge", __func__); buffer_free(&m); return (-1); @@ -771,7 +777,8 @@ mm_skey_query(void *ctx, char **name, char **infotxt, u_int *numprompts, char ***prompts, u_int **echo_on) { Buffer m; - int len, res; + int len; + u_int success; char *p, *challenge; debug3("%s: entering", __func__); @@ -781,8 +788,8 @@ mm_skey_query(void *ctx, char **name, char **infotxt, mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_SKEYQUERY, &m); - res = buffer_get_int(&m); - if (res == -1) { + success = buffer_get_int(&m); + if (success == 0) { debug3("%s: no challenge", __func__); buffer_free(&m); return (-1); @@ -852,7 +859,7 @@ mm_auth_rsa_key_allowed(struct passwd *pw, BIGNUM *client_n, Key **rkey) Key *key; u_char *blob; u_int blen; - int allowed = 0; + int allowed = 0, have_forced = 0; debug3("%s entering", __func__); @@ -864,6 +871,11 @@ mm_auth_rsa_key_allowed(struct passwd *pw, BIGNUM *client_n, Key **rkey) allowed = buffer_get_int(&m); + /* fake forced command */ + auth_clear_options(); + have_forced = buffer_get_int(&m); + forced_command = have_forced ? xstrdup("true") : NULL; + if (allowed && rkey != NULL) { blob = buffer_get_string(&m, &blen); if ((key = key_from_blob(blob, blen)) == NULL) @@ -969,7 +981,7 @@ mm_auth_krb4(Authctxt *authctxt, void *_auth, char **client, void *_reply) xfree(p); } buffer_free(&m); - return (success); + return (success); } #endif diff --git a/crypto/openssh/msg.c b/crypto/openssh/msg.c index 107a376..5d266c2 100644 --- a/crypto/openssh/msg.c +++ b/crypto/openssh/msg.c @@ -22,7 +22,7 @@ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "includes.h" -RCSID("$OpenBSD: msg.c,v 1.4 2002/07/01 16:15:25 deraadt Exp $"); +RCSID("$OpenBSD: msg.c,v 1.5 2002/12/19 00:07:02 djm Exp $"); #include "buffer.h" #include "getput.h" diff --git a/crypto/openssh/msg.h b/crypto/openssh/msg.h index 8980e25..c07df88 100644 --- a/crypto/openssh/msg.h +++ b/crypto/openssh/msg.h @@ -1,4 +1,4 @@ -/* $OpenBSD: msg.h,v 1.1 2002/05/23 19:24:30 markus Exp $ */ +/* $OpenBSD: msg.h,v 1.2 2002/12/19 00:07:02 djm Exp $ */ /* * Copyright (c) 2002 Markus Friedl. All rights reserved. * diff --git a/crypto/openssh/openbsd-compat/Makefile.in b/crypto/openssh/openbsd-compat/Makefile.in index 5229e7e..8615e36 100644 --- a/crypto/openssh/openbsd-compat/Makefile.in +++ b/crypto/openssh/openbsd-compat/Makefile.in @@ -1,4 +1,4 @@ -# $Id: Makefile.in,v 1.23 2002/09/12 00:33:02 djm Exp $ +# $Id: Makefile.in,v 1.25 2003/02/24 01:55:56 djm Exp $ sysconfdir=@sysconfdir@ piddir=@piddir@ @@ -16,7 +16,7 @@ RANLIB=@RANLIB@ INSTALL=@INSTALL@ LDFLAGS=-L. @LDFLAGS@ -OPENBSD=base64.o bindresvport.o daemon.o dirname.o getcwd.o getgrouplist.o getopt.o glob.o inet_aton.o inet_ntoa.o inet_ntop.o mktemp.o readpassphrase.o realpath.o rresvport.o setenv.o setproctitle.o sigact.o strlcat.o strlcpy.o strmode.o strsep.o +OPENBSD=base64.o basename.o bindresvport.o daemon.o dirname.o getcwd.o getgrouplist.o getopt.o glob.o inet_aton.o inet_ntoa.o inet_ntop.o mktemp.o readpassphrase.o realpath.o rresvport.o setenv.o setproctitle.o sigact.o strlcat.o strlcpy.o strmode.o strsep.o vis.o COMPAT=bsd-arc4random.o bsd-cray.o bsd-cygwin_util.o bsd-getpeereid.o bsd-misc.o bsd-nextstep.o bsd-snprintf.o bsd-waitpid.o fake-getaddrinfo.o fake-getnameinfo.o xmmap.o diff --git a/crypto/openssh/openbsd-compat/base64.c b/crypto/openssh/openbsd-compat/base64.c index 005170b..91a5ab0 100644 --- a/crypto/openssh/openbsd-compat/base64.c +++ b/crypto/openssh/openbsd-compat/base64.c @@ -44,7 +44,7 @@ #include "includes.h" -#if !defined(HAVE_B64_NTOP) && !defined(HAVE___B64_NTOP) +#if (!defined(HAVE_B64_NTOP) && !defined(HAVE___B64_NTOP)) || (!defined(HAVE_B64_PTON) && !defined(HAVE___B64_PTON)) #include <sys/types.h> #include <sys/param.h> @@ -130,6 +130,7 @@ static const char Pad64 = '='; characters followed by one "=" padding character. */ +#if !defined(HAVE_B64_NTOP) && !defined(HAVE___B64_NTOP) int b64_ntop(u_char const *src, size_t srclength, char *target, size_t targsize) { @@ -190,6 +191,9 @@ b64_ntop(u_char const *src, size_t srclength, char *target, size_t targsize) target[datalength] = '\0'; /* Returned value doesn't count \0. */ return (datalength); } +#endif /* !defined(HAVE_B64_NTOP) && !defined(HAVE___B64_NTOP) */ + +#if !defined(HAVE_B64_PTON) && !defined(HAVE___B64_PTON) /* skips all whitespace anywhere. converts characters, four at a time, starting at (or after) @@ -314,4 +318,5 @@ b64_pton(char const *src, u_char *target, size_t targsize) return (tarindex); } -#endif /* !defined(HAVE_B64_NTOP) && !defined(HAVE___B64_NTOP) */ +#endif /* !defined(HAVE_B64_PTON) && !defined(HAVE___B64_PTON) */ +#endif diff --git a/crypto/openssh/openbsd-compat/base64.h b/crypto/openssh/openbsd-compat/base64.h index c92e70e..72db3ff 100644 --- a/crypto/openssh/openbsd-compat/base64.h +++ b/crypto/openssh/openbsd-compat/base64.h @@ -1,4 +1,4 @@ -/* $Id: base64.h,v 1.3 2002/02/26 16:59:59 stevesk Exp $ */ +/* $Id: base64.h,v 1.4 2003/02/24 04:45:43 djm Exp $ */ #ifndef _BSD_BASE64_H #define _BSD_BASE64_H @@ -9,10 +9,15 @@ # ifndef HAVE_B64_NTOP int b64_ntop(u_char const *src, size_t srclength, char *target, size_t targsize); -int b64_pton(char const *src, u_char *target, size_t targsize); # endif /* !HAVE_B64_NTOP */ # define __b64_ntop b64_ntop -# define __b64_pton b64_pton #endif /* HAVE___B64_NTOP */ +#ifndef HAVE___B64_PTON +# ifndef HAVE_B64_PTON +int b64_pton(char const *src, u_char *target, size_t targsize); +# endif /* !HAVE_B64_PTON */ +# define __b64_pton b64_pton +#endif /* HAVE___B64_PTON */ + #endif /* _BSD_BASE64_H */ diff --git a/crypto/openssh/openbsd-compat/basename.c b/crypto/openssh/openbsd-compat/basename.c new file mode 100644 index 0000000..5a3823b --- /dev/null +++ b/crypto/openssh/openbsd-compat/basename.c @@ -0,0 +1,73 @@ +/* $OpenBSD: basename.c,v 1.8 2002/06/09 05:03:59 deraadt Exp $ */ + +/* + * Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com> + * 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. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED ``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 AUTHOR 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. + */ +#include "includes.h" + +#if !defined(HAVE_BASENAME) + +#ifndef lint +static char rcsid[] = "$OpenBSD: basename.c,v 1.8 2002/06/09 05:03:59 deraadt Exp $"; +#endif /* not lint */ + +char * +basename(const char *path) +{ + static char bname[MAXPATHLEN]; + register const char *endp, *startp; + + /* Empty or NULL string gets treated as "." */ + if (path == NULL || *path == '\0') { + (void)strlcpy(bname, ".", sizeof bname); + return(bname); + } + + /* Strip trailing slashes */ + endp = path + strlen(path) - 1; + while (endp > path && *endp == '/') + endp--; + + /* All slashes become "/" */ + if (endp == path && *endp == '/') { + (void)strlcpy(bname, "/", sizeof bname); + return(bname); + } + + /* Find the start of the base */ + startp = endp; + while (startp > path && *(startp - 1) != '/') + startp--; + + if (endp - startp + 2 > sizeof(bname)) { + errno = ENAMETOOLONG; + return(NULL); + } + strlcpy(bname, startp, endp - startp + 2); + return(bname); +} + +#endif /* !defined(HAVE_BASENAME) */ diff --git a/crypto/openssh/openbsd-compat/basename.h b/crypto/openssh/openbsd-compat/basename.h new file mode 100644 index 0000000..a8bd6c1 --- /dev/null +++ b/crypto/openssh/openbsd-compat/basename.h @@ -0,0 +1,12 @@ +/* $Id: basename.h,v 1.3 2003/02/25 03:32:16 djm Exp $ */ + +#ifndef _BASENAME_H +#define _BASENAME_H +#include "config.h" + +#if !defined(HAVE_BASENAME) + +char *basename(const char *path); + +#endif /* !defined(HAVE_BASENAME) */ +#endif /* _BASENAME_H */ diff --git a/crypto/openssh/openbsd-compat/bsd-arc4random.c b/crypto/openssh/openbsd-compat/bsd-arc4random.c index ab4e143..dd08130 100644 --- a/crypto/openssh/openbsd-compat/bsd-arc4random.c +++ b/crypto/openssh/openbsd-compat/bsd-arc4random.c @@ -25,7 +25,7 @@ #include "includes.h" #include "log.h" -RCSID("$Id: bsd-arc4random.c,v 1.5 2002/05/08 22:57:18 tim Exp $"); +RCSID("$Id: bsd-arc4random.c,v 1.6 2003/03/17 05:13:53 djm Exp $"); #ifndef HAVE_ARC4RANDOM @@ -66,7 +66,7 @@ void arc4random_stir(void) unsigned char rand_buf[SEED_SIZE]; memset(&rc4, 0, sizeof(rc4)); - if (!RAND_bytes(rand_buf, sizeof(rand_buf))) + if (RAND_bytes(rand_buf, sizeof(rand_buf)) <= 0) fatal("Couldn't obtain random bytes (error %ld)", ERR_get_error()); RC4_set_key(&rc4, sizeof(rand_buf), rand_buf); diff --git a/crypto/openssh/openbsd-compat/bsd-cray.h b/crypto/openssh/openbsd-compat/bsd-cray.h index 8868b43..a09954f 100644 --- a/crypto/openssh/openbsd-compat/bsd-cray.h +++ b/crypto/openssh/openbsd-compat/bsd-cray.h @@ -1,5 +1,5 @@ /* - * $Id: bsd-cray.h,v 1.5 2002/09/26 00:38:51 tim Exp $ + * $Id: bsd-cray.h,v 1.7 2003/03/21 01:05:38 mouring Exp $ * * bsd-cray.h * @@ -49,6 +49,10 @@ extern char cray_tmpdir[]; /* cray tmpdir */ #ifndef MAXHOSTNAMELEN #define MAXHOSTNAMELEN 64 #endif +#ifndef _CRAYT3E +#include <sys/ttold.h> +#define TIOCGPGRP (tIOC|20) +#endif #endif #endif /* _BSD_CRAY_H */ diff --git a/crypto/openssh/openbsd-compat/bsd-cygwin_util.c b/crypto/openssh/openbsd-compat/bsd-cygwin_util.c index 2396a6e..0fa5964 100644 --- a/crypto/openssh/openbsd-compat/bsd-cygwin_util.c +++ b/crypto/openssh/openbsd-compat/bsd-cygwin_util.c @@ -31,7 +31,7 @@ #include "includes.h" -RCSID("$Id: bsd-cygwin_util.c,v 1.8 2002/04/15 22:00:52 stevesk Exp $"); +RCSID("$Id: bsd-cygwin_util.c,v 1.9 2002/11/09 15:59:29 mouring Exp $"); #ifdef HAVE_CYGWIN @@ -43,6 +43,7 @@ RCSID("$Id: bsd-cygwin_util.c,v 1.8 2002/04/15 22:00:52 stevesk Exp $"); #define is_winnt (GetVersion() < 0x80000000) #define ntsec_on(c) ((c) && strstr((c),"ntsec") && !strstr((c),"nontsec")) +#define ntsec_off(c) ((c) && strstr((c),"nontsec")) #define ntea_on(c) ((c) && strstr((c),"ntea") && !strstr((c),"nontea")) #if defined(open) && open == binary_open @@ -74,6 +75,56 @@ int binary_pipe(int fd[2]) return ret; } +#define HAS_CREATE_TOKEN 1 +#define HAS_NTSEC_BY_DEFAULT 2 + +static int has_capability(int what) +{ + /* has_capability() basically calls uname() and checks if + specific capabilities of Cygwin can be evaluated from that. + This simplifies the calling functions which only have to ask + for a capability using has_capability() instead of having + to figure that out by themselves. */ + static int inited; + static int has_create_token; + static int has_ntsec_by_default; + + if (!inited) { + struct utsname uts; + char *c; + + if (!uname(&uts)) { + int major_high = 0; + int major_low = 0; + int minor = 0; + int api_major_version = 0; + int api_minor_version = 0; + char *c; + + sscanf(uts.release, "%d.%d.%d", &major_high, + &major_low, &minor); + c = strchr(uts.release, '('); + if (c) + sscanf(c + 1, "%d.%d", &api_major_version, + &api_minor_version); + if (major_high > 1 || + (major_high == 1 && (major_low > 3 || + (major_low == 3 && minor >= 2)))) + has_create_token = 1; + if (api_major_version > 0 || api_minor_version >= 56) + has_ntsec_by_default = 1; + inited = 1; + } + } + switch (what) { + case HAS_CREATE_TOKEN: + return has_create_token; + case HAS_NTSEC_BY_DEFAULT: + return has_ntsec_by_default; + } + return 0; +} + int check_nt_auth(int pwd_authenticated, struct passwd *pw) { /* @@ -93,19 +144,14 @@ int check_nt_auth(int pwd_authenticated, struct passwd *pw) return 0; if (is_winnt) { if (has_create_token < 0) { - struct utsname uts; - int major_high = 0, major_low = 0, minor = 0; char *cygwin = getenv("CYGWIN"); has_create_token = 0; - if (ntsec_on(cygwin) && !uname(&uts)) { - sscanf(uts.release, "%d.%d.%d", - &major_high, &major_low, &minor); - if (major_high > 1 || - (major_high == 1 && (major_low > 3 || - (major_low == 3 && minor >= 2)))) - has_create_token = 1; - } + if (has_capability(HAS_CREATE_TOKEN) && + (ntsec_on(cygwin) || + (has_capability(HAS_NTSEC_BY_DEFAULT) && + !ntsec_off(cygwin)))) + has_create_token = 1; } if (has_create_token < 1 && !pwd_authenticated && geteuid() != pw->pw_uid) @@ -128,7 +174,9 @@ int check_ntsec(const char *filename) /* Evaluate current CYGWIN settings. */ cygwin = getenv("CYGWIN"); allow_ntea = ntea_on(cygwin); - allow_ntsec = ntsec_on(cygwin); + allow_ntsec = ntsec_on(cygwin) || + (has_capability(HAS_NTSEC_BY_DEFAULT) && + !ntsec_off(cygwin)); /* * `ntea' is an emulation of POSIX attributes. It doesn't support diff --git a/crypto/openssh/openbsd-compat/bsd-getpeereid.c b/crypto/openssh/openbsd-compat/bsd-getpeereid.c index c787682..bcda2c1 100644 --- a/crypto/openssh/openbsd-compat/bsd-getpeereid.c +++ b/crypto/openssh/openbsd-compat/bsd-getpeereid.c @@ -24,7 +24,7 @@ #include "includes.h" -RCSID("$Id: bsd-getpeereid.c,v 1.1 2002/09/12 00:33:02 djm Exp $"); +RCSID("$Id: bsd-getpeereid.c,v 1.2 2003/03/24 22:07:52 djm Exp $"); #if !defined(HAVE_GETPEEREID) @@ -33,7 +33,7 @@ int getpeereid(int s, uid_t *euid, gid_t *gid) { struct ucred cred; - size_t len = sizeof(cred); + socklen_t len = sizeof(cred); if (getsockopt(s, SOL_SOCKET, SO_PEERCRED, &cred, &len) < 0) return (-1); diff --git a/crypto/openssh/openbsd-compat/bsd-misc.c b/crypto/openssh/openbsd-compat/bsd-misc.c index 1c1e43a..b8e9996 100644 --- a/crypto/openssh/openbsd-compat/bsd-misc.c +++ b/crypto/openssh/openbsd-compat/bsd-misc.c @@ -23,15 +23,20 @@ */ #include "includes.h" +#include "xmalloc.h" -RCSID("$Id: bsd-misc.c,v 1.10 2002/07/08 21:09:41 mouring Exp $"); +RCSID("$Id: bsd-misc.c,v 1.12 2003/03/18 18:21:41 tim Exp $"); +/* + * NB. duplicate __progname in case it is an alias for argv[0] + * Otherwise it may get clobbered by setproctitle() + */ char *get_progname(char *argv0) { #ifdef HAVE___PROGNAME extern char *__progname; - return __progname; + return xstrdup(__progname); #else char *p; @@ -42,7 +47,8 @@ char *get_progname(char *argv0) p = argv0; else p++; - return p; + + return xstrdup(p); #endif } @@ -129,3 +135,34 @@ setgroups(size_t size, const gid_t *list) } #endif +#if !defined(HAVE_NANOSLEEP) && !defined(HAVE_NSLEEP) +int nanosleep(const struct timespec *req, struct timespec *rem) +{ + int rc, saverrno; + extern int errno; + struct timeval tstart, tstop, tremain, time2wait; + + TIMESPEC_TO_TIMEVAL(&time2wait, req) + (void) gettimeofday(&tstart, NULL); + rc = select(0, NULL, NULL, NULL, &time2wait); + if (rc == -1) { + saverrno = errno; + (void) gettimeofday (&tstop, NULL); + errno = saverrno; + tremain.tv_sec = time2wait.tv_sec - + (tstop.tv_sec - tstart.tv_sec); + tremain.tv_usec = time2wait.tv_usec - + (tstop.tv_usec - tstart.tv_usec); + tremain.tv_sec += tremain.tv_usec / 1000000L; + tremain.tv_usec %= 1000000L; + } else { + tremain.tv_sec = 0; + tremain.tv_usec = 0; + } + TIMEVAL_TO_TIMESPEC(&tremain, rem) + + return(rc); +} + +#endif + diff --git a/crypto/openssh/openbsd-compat/bsd-misc.h b/crypto/openssh/openbsd-compat/bsd-misc.h index 9811960..78d9ccd 100644 --- a/crypto/openssh/openbsd-compat/bsd-misc.h +++ b/crypto/openssh/openbsd-compat/bsd-misc.h @@ -22,7 +22,7 @@ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ -/* $Id: bsd-misc.h,v 1.6 2002/06/13 21:34:58 mouring Exp $ */ +/* $Id: bsd-misc.h,v 1.7 2003/03/18 18:21:41 tim Exp $ */ #ifndef _BSD_MISC_H #define _BSD_MISC_H @@ -80,5 +80,14 @@ int truncate (const char *path, off_t length); int setgroups(size_t size, const gid_t *list); #endif +#if !defined(HAVE_NANOSLEEP) && !defined(HAVE_NSLEEP) +#ifndef HAVE_STRUCT_TIMESPEC +struct timespec { + time_t tv_sec; + long tv_nsec; +}; +#endif +int nanosleep(const struct timespec *req, struct timespec *rem); +#endif #endif /* _BSD_MISC_H */ diff --git a/crypto/openssh/openbsd-compat/bsd-snprintf.c b/crypto/openssh/openbsd-compat/bsd-snprintf.c index 1c72ea6..2f82180 100644 --- a/crypto/openssh/openbsd-compat/bsd-snprintf.c +++ b/crypto/openssh/openbsd-compat/bsd-snprintf.c @@ -1,3 +1,10 @@ +/* + * Copyright Patrick Powell 1995 + * This code is based on code written by Patrick Powell (papowell@astart.com) + * It may be used for any purpose as long as this notice remains intact + * on all source code distributions + */ + /************************************************************** * Original: * Patrick Powell Tue Apr 11 09:48:21 PDT 1995 @@ -51,7 +58,7 @@ #include "includes.h" -RCSID("$Id: bsd-snprintf.c,v 1.5 2001/02/25 23:20:41 mouring Exp $"); +RCSID("$Id: bsd-snprintf.c,v 1.6 2003/04/01 11:31:56 djm Exp $"); #if defined(BROKEN_SNPRINTF) /* For those with broken snprintf() */ # undef HAVE_SNPRINTF diff --git a/crypto/openssh/openbsd-compat/fake-getaddrinfo.c b/crypto/openssh/openbsd-compat/fake-getaddrinfo.c index 67e9eb7..e63bda9 100644 --- a/crypto/openssh/openbsd-compat/fake-getaddrinfo.c +++ b/crypto/openssh/openbsd-compat/fake-getaddrinfo.c @@ -12,7 +12,7 @@ #include "includes.h" #include "ssh.h" -RCSID("$Id: fake-getaddrinfo.c,v 1.2 2001/02/09 01:55:36 djm Exp $"); +RCSID("$Id: fake-getaddrinfo.c,v 1.5 2003/03/24 02:35:59 djm Exp $"); #ifndef HAVE_GAI_STRERROR char *gai_strerror(int ecode) @@ -67,16 +67,30 @@ int getaddrinfo(const char *hostname, const char *servname, { struct addrinfo *cur, *prev = NULL; struct hostent *hp; + struct servent *sp; struct in_addr in; - int i, port; + int i; + long int port; + u_long addr; - if (servname) - port = htons(atoi(servname)); - else - port = 0; + port = 0; + if (servname != NULL) { + char *cp; + + port = strtol(servname, &cp, 10); + if (port > 0 && port <= 65535 && *cp == '\0') + port = htons(port); + else if ((sp = getservbyname(servname, NULL)) != NULL) + port = sp->s_port; + else + port = 0; + } if (hints && hints->ai_flags & AI_PASSIVE) { - if (NULL != (*res = malloc_ai(port, htonl(0x00000000)))) + addr = htonl(0x00000000); + if (hostname && inet_aton(hostname, &in) != 0) + addr = in.s_addr; + if (NULL != (*res = malloc_ai(port, addr))) return 0; else return EAI_MEMORY; diff --git a/crypto/openssh/openbsd-compat/fake-getaddrinfo.h b/crypto/openssh/openbsd-compat/fake-getaddrinfo.h index afd0226..6943378 100644 --- a/crypto/openssh/openbsd-compat/fake-getaddrinfo.h +++ b/crypto/openssh/openbsd-compat/fake-getaddrinfo.h @@ -1,4 +1,4 @@ -/* $Id: fake-getaddrinfo.h,v 1.2 2001/02/09 01:55:36 djm Exp $ */ +/* $Id: fake-getaddrinfo.h,v 1.4 2003/02/24 01:35:09 djm Exp $ */ #ifndef _FAKE_GETADDRINFO_H #define _FAKE_GETADDRINFO_H diff --git a/crypto/openssh/openbsd-compat/getcwd.c b/crypto/openssh/openbsd-compat/getcwd.c index 6fd8543..f4b98e8 100644 --- a/crypto/openssh/openbsd-compat/getcwd.c +++ b/crypto/openssh/openbsd-compat/getcwd.c @@ -29,7 +29,7 @@ #if !defined(HAVE_GETCWD) #if defined(LIBC_SCCS) && !defined(lint) -static char rcsid[] = "$OpenBSD: getcwd.c,v 1.6 2000/07/19 15:25:13 deraadt Exp $"; +static char rcsid[] = "$OpenBSD: getcwd.c,v 1.7 2002/11/24 01:52:27 cloder Exp $"; #endif /* LIBC_SCCS and not lint */ #include <sys/param.h> @@ -127,7 +127,7 @@ getcwd(char *pt,size_t size) /* * Build pointer to the parent directory, allocating memory * as necessary. Max length is 3 for "../", the largest - * possible component name, plus a trailing NULL. + * possible component name, plus a trailing NUL. */ if (bup + 3 + MAXNAMLEN + 1 >= eup) { char *nup; diff --git a/crypto/openssh/openbsd-compat/getopt.c b/crypto/openssh/openbsd-compat/getopt.c index 4a5cfe5..a3fe807 100644 --- a/crypto/openssh/openbsd-compat/getopt.c +++ b/crypto/openssh/openbsd-compat/getopt.c @@ -35,7 +35,7 @@ #if !defined(HAVE_GETOPT) || !defined(HAVE_GETOPT_OPTRESET) #if defined(LIBC_SCCS) && !defined(lint) -static char *rcsid = "$OpenBSD: getopt.c,v 1.2 1996/08/19 08:33:32 tholo Exp $"; +static char *rcsid = "$OpenBSD: getopt.c,v 1.4 2002/12/08 22:57:14 millert Exp $"; #endif /* LIBC_SCCS and not lint */ #include <stdio.h> @@ -66,6 +66,9 @@ BSDgetopt(nargc, nargv, ostr) static char *place = EMSG; /* option letter processing */ char *oli; /* option letter list index */ + if (ostr == NULL) + return (-1); + if (BSDoptreset || !*place) { /* update scanning pointer */ BSDoptreset = 0; if (BSDoptind >= nargc || *(place = nargv[BSDoptind]) != '-') { diff --git a/crypto/openssh/openbsd-compat/mktemp.c b/crypto/openssh/openbsd-compat/mktemp.c index d256ee4..c951050 100644 --- a/crypto/openssh/openbsd-compat/mktemp.c +++ b/crypto/openssh/openbsd-compat/mktemp.c @@ -36,7 +36,7 @@ #include "includes.h" -#ifndef HAVE_MKDTEMP +#if !defined(HAVE_MKDTEMP) || defined(HAVE_STRICT_MKSTEMP) #if defined(LIBC_SCCS) && !defined(lint) static char rcsid[] = "$OpenBSD: mktemp.c,v 1.16 2002/05/27 18:20:45 millert Exp $"; @@ -181,4 +181,4 @@ _gettemp(path, doopen, domkdir, slen) /*NOTREACHED*/ } -#endif /* !HAVE_MKDTEMP */ +#endif /* !defined(HAVE_MKDTEMP) || defined(HAVE_STRICT_MKSTEMP) */ diff --git a/crypto/openssh/openbsd-compat/mktemp.h b/crypto/openssh/openbsd-compat/mktemp.h index 6a96f6f..505ca6a 100644 --- a/crypto/openssh/openbsd-compat/mktemp.h +++ b/crypto/openssh/openbsd-compat/mktemp.h @@ -1,13 +1,13 @@ -/* $Id: mktemp.h,v 1.2 2001/02/09 01:55:36 djm Exp $ */ +/* $Id: mktemp.h,v 1.3 2003/01/07 04:18:33 djm Exp $ */ #ifndef _BSD_MKTEMP_H #define _BSD_MKTEMP_H #include "config.h" -#ifndef HAVE_MKDTEMP +#if !defined(HAVE_MKDTEMP) || defined(HAVE_STRICT_MKSTEMP) int mkstemps(char *path, int slen); int mkstemp(char *path); char *mkdtemp(char *path); -#endif /* !HAVE_MKDTEMP */ +#endif /* !defined(HAVE_MKDTEMP) || defined(HAVE_STRICT_MKSTEMP) */ #endif /* _BSD_MKTEMP_H */ diff --git a/crypto/openssh/openbsd-compat/openbsd-compat.h b/crypto/openssh/openbsd-compat/openbsd-compat.h index ae18afd..c3e19b9 100644 --- a/crypto/openssh/openbsd-compat/openbsd-compat.h +++ b/crypto/openssh/openbsd-compat/openbsd-compat.h @@ -1,4 +1,4 @@ -/* $Id: openbsd-compat.h,v 1.17 2002/09/12 00:33:02 djm Exp $ */ +/* $Id: openbsd-compat.h,v 1.19 2003/02/24 01:55:56 djm Exp $ */ #ifndef _OPENBSD_H #define _OPENBSD_H @@ -6,6 +6,7 @@ #include "config.h" /* OpenBSD function replacements */ +#include "basename.h" #include "bindresvport.h" #include "getcwd.h" #include "realpath.h" @@ -26,6 +27,7 @@ #include "glob.h" #include "readpassphrase.h" #include "getopt.h" +#include "vis.h" /* Home grown routines */ #include "bsd-arc4random.h" diff --git a/crypto/openssh/openbsd-compat/port-aix.h b/crypto/openssh/openbsd-compat/port-aix.h index 79570a2..4abe003 100644 --- a/crypto/openssh/openbsd-compat/port-aix.h +++ b/crypto/openssh/openbsd-compat/port-aix.h @@ -25,5 +25,16 @@ */ #ifdef _AIX + +/* AIX 4.2.x doesn't have nanosleep but does have nsleep which is equivalent */ +#if !defined(HAVE_NANOSLEEP) && defined(HAVE_NSLEEP) +# define nanosleep(a,b) nsleep(a,b) +#endif + +/* For struct timespec on AIX 4.2.x */ +#ifdef HAVE_SYS_TIMERS_H +# include <sys/timers.h> +#endif + void aix_usrinfo(struct passwd *pw); #endif /* _AIX */ diff --git a/crypto/openssh/openbsd-compat/setenv.c b/crypto/openssh/openbsd-compat/setenv.c index 1dff15c..e5c5de6 100644 --- a/crypto/openssh/openbsd-compat/setenv.c +++ b/crypto/openssh/openbsd-compat/setenv.c @@ -35,12 +35,14 @@ #ifndef HAVE_SETENV #if defined(LIBC_SCCS) && !defined(lint) -static char *rcsid = "$OpenBSD: setenv.c,v 1.4 2001/07/09 06:57:45 deraadt Exp $"; +static char *rcsid = "$OpenBSD: setenv.c,v 1.5 2002/12/10 22:44:13 mickey Exp $"; #endif /* LIBC_SCCS and not lint */ #include <stdlib.h> #include <string.h> +char *__findenv(const char *name, int *offset); + /* * __findenv -- * Returns pointer to value associated with name, if any, else NULL. @@ -92,7 +94,6 @@ setenv(name, value, rewrite) static int alloced; /* if allocated space before */ register char *C; int l_value, offset; - char *__findenv(); if (*value == '=') /* no `=' in value */ ++value; diff --git a/crypto/openssh/openbsd-compat/setproctitle.c b/crypto/openssh/openbsd-compat/setproctitle.c index e165dd1..07af7e9 100644 --- a/crypto/openssh/openbsd-compat/setproctitle.c +++ b/crypto/openssh/openbsd-compat/setproctitle.c @@ -1,102 +1,243 @@ /* - * Modified for OpenSSH by Kevin Steves - * October 2000 + * Based on src/backend/utils/misc/pg_status.c from + * PostgreSQL Database Management System + * + * Portions Copyright (c) 1996-2001, The PostgreSQL Global Development Group + * + * Portions Copyright (c) 1994, The Regents of the University of California + * + * Permission to use, copy, modify, and distribute this software and its + * documentation for any purpose, without fee, and without a written agreement + * is hereby granted, provided that the above copyright notice and this + * paragraph and the following two paragraphs appear in all copies. + * + * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING + * LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS + * DOCUMENTATION, EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATIONS TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. */ -/* - * Copyright (c) 1994, 1995 Christopher G. Demetriou - * All rights reserved. +/*-------------------------------------------------------------------- + * ps_status.c + * + * Routines to support changing the ps display of PostgreSQL backends + * to contain some useful information. Mechanism differs wildly across + * platforms. * - * 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 Christopher G. Demetriou - * for the NetBSD Project. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission + * $Header: /var/cvs/openssh/openbsd-compat/setproctitle.c,v 1.5 2003/01/20 02:15:11 djm Exp $ * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + * Copyright 2000 by PostgreSQL Global Development Group + * various details abducted from various places + *-------------------------------------------------------------------- */ -#if defined(LIBC_SCCS) && !defined(lint) -static char rcsid[] = "$OpenBSD: setproctitle.c,v 1.8 2001/11/06 19:21:40 art Exp $"; -#endif /* LIBC_SCCS and not lint */ - #include "includes.h" #ifndef HAVE_SETPROCTITLE -#define SPT_NONE 0 -#define SPT_PSTAT 1 +#include <unistd.h> +#ifdef HAVE_SYS_PSTAT_H +#include <sys/pstat.h> /* for HP-UX */ +#endif +#ifdef HAVE_PS_STRINGS +#include <machine/vmparam.h> /* for old BSD */ +#include <sys/exec.h> +#endif + +/*------ + * Alternative ways of updating ps display: + * + * SETPROCTITLE_STRATEGY == PS_USE_PSTAT + * use the pstat(PSTAT_SETCMD, ) + * (HPUX) + * SETPROCTITLE_STRATEGY == PS_USE_PS_STRINGS + * assign PS_STRINGS->ps_argvstr = "string" + * (some BSD systems) + * SETPROCTITLE_STRATEGY == PS_USE_CHANGE_ARGV + * assign argv[0] = "string" + * (some other BSD systems) + * SETPROCTITLE_STRATEGY == PS_USE_CLOBBER_ARGV + * write over the argv and environment area + * (most SysV-like systems) + * SETPROCTITLE_STRATEGY == PS_USE_NONE + * don't update ps display + * (This is the default, as it is safest.) + */ + +#define PS_USE_NONE 0 +#define PS_USE_PSTAT 1 +#define PS_USE_PS_STRINGS 2 +#define PS_USE_CHANGE_ARGV 3 +#define PS_USE_CLOBBER_ARGV 4 -#ifndef SPT_TYPE -#define SPT_TYPE SPT_NONE +#ifndef SETPROCTITLE_STRATEGY +# define SETPROCTITLE_STRATEGY PS_USE_NONE #endif -#if SPT_TYPE == SPT_PSTAT -#include <sys/param.h> -#include <sys/pstat.h> -#endif /* SPT_TYPE == SPT_PSTAT */ +#ifndef SETPROCTITLE_PS_PADDING +# define SETPROCTITLE_PS_PADDING ' ' +#endif +#endif /* HAVE_SETPROCTITLE */ -#define MAX_PROCTITLE 2048 +extern char **environ; + +/* + * argv clobbering uses existing argv space, all other methods need a buffer + */ +#if SETPROCTITLE_STRATEGY != PS_USE_CLOBBER_ARGV +static char ps_buffer[256]; +static const size_t ps_buffer_size = sizeof(ps_buffer); +#else +static char *ps_buffer; /* will point to argv area */ +static size_t ps_buffer_size; /* space determined at run time */ +#endif + +/* save the original argv[] location here */ +static int save_argc; +static char **save_argv; extern char *__progname; +#ifndef HAVE_SETPROCTITLE /* - * Set Process Title (SPT) defines. Modeled after sendmail's - * SPT type definition strategy. - * - * SPT_TYPE: - * - * SPT_NONE: Don't set the process title. Default. - * SPT_PSTAT: Use pstat(PSTAT_SETCMD). HP-UX specific. + * Call this to update the ps status display to a fixed prefix plus an + * indication of what you're currently doing passed in the argument. */ - void setproctitle(const char *fmt, ...) { -#if SPT_TYPE != SPT_NONE +#if SETPROCTITLE_STRATEGY == PS_USE_PSTAT + union pstun pst; +#endif +#if SETPROCTITLE_STRATEGY != PS_USE_NONE + ssize_t used; va_list ap; - - char buf[MAX_PROCTITLE]; - size_t used; -#if SPT_TYPE == SPT_PSTAT - union pstun pst; -#endif /* SPT_TYPE == SPT_PSTAT */ + /* no ps display if you didn't call save_ps_display_args() */ + if (save_argv == NULL) + return; +#if SETPROCTITLE_STRATEGY == PS_USE_CLOBBER_ARGV + /* If ps_buffer is a pointer, it might still be null */ + if (ps_buffer == NULL) + return; +#endif /* PS_USE_CLOBBER_ARGV */ + + /* + * Overwrite argv[] to point at appropriate space, if needed + */ +#if SETPROCTITLE_STRATEGY == PS_USE_CHANGE_ARGV + save_argv[0] = ps_buffer; + save_argv[1] = NULL; +#endif /* PS_USE_CHANGE_ARGV */ + +#if SETPROCTITLE_STRATEGY == PS_USE_CLOBBER_ARGV + save_argv[1] = NULL; +#endif /* PS_USE_CLOBBER_ARGV */ + + /* + * Make fixed prefix of ps display. + */ va_start(ap, fmt); - if (fmt != NULL) { - used = snprintf(buf, MAX_PROCTITLE, "%s: ", __progname); - if (used >= MAX_PROCTITLE) - used = MAX_PROCTITLE - 1; - (void)vsnprintf(buf + used, MAX_PROCTITLE - used, fmt, ap); - } else - (void)snprintf(buf, MAX_PROCTITLE, "%s", __progname); + if (fmt == NULL) + snprintf(ps_buffer, ps_buffer_size, "%s", __progname); + else { + used = snprintf(ps_buffer, ps_buffer_size, "%s: ", __progname); + if (used == -1 || used >= ps_buffer_size) + used = ps_buffer_size; + vsnprintf(ps_buffer + used, ps_buffer_size - used, fmt, ap); + } va_end(ap); - used = strlen(buf); -#if SPT_TYPE == SPT_PSTAT - pst.pst_command = buf; - pstat(PSTAT_SETCMD, pst, used, 0, 0); -#endif /* SPT_TYPE == SPT_PSTAT */ +#if SETPROCTITLE_STRATEGY == PS_USE_PSTAT + pst.pst_command = ps_buffer; + pstat(PSTAT_SETCMD, pst, strlen(ps_buffer), 0, 0); +#endif /* PS_USE_PSTAT */ -#endif /* SPT_TYPE != SPT_NONE */ +#if SETPROCTITLE_STRATEGY == PS_USE_PS_STRINGS + PS_STRINGS->ps_nargvstr = 1; + PS_STRINGS->ps_argvstr = ps_buffer; +#endif /* PS_USE_PS_STRINGS */ + +#if SETPROCTITLE_STRATEGY == PS_USE_CLOBBER_ARGV + /* pad unused memory */ + used = strlen(ps_buffer); + memset(ps_buffer + used, SETPROCTITLE_PS_PADDING, + ps_buffer_size - used); +#endif /* PS_USE_CLOBBER_ARGV */ + +#endif /* PS_USE_NONE */ } + #endif /* HAVE_SETPROCTITLE */ + +/* + * Call this early in startup to save the original argc/argv values. + * + * argv[] will not be overwritten by this routine, but may be overwritten + * during setproctitle. Also, the physical location of the environment + * strings may be moved, so this should be called before any code that + * might try to hang onto a getenv() result. + */ +void +compat_init_setproctitle(int argc, char *argv[]) +{ +#if SETPROCTITLE_STRATEGY == PS_USE_CLOBBER_ARGV + char *end_of_area = NULL; + char **new_environ; + int i; +#endif + + save_argc = argc; + save_argv = argv; + +#if SETPROCTITLE_STRATEGY == PS_USE_CLOBBER_ARGV + /* + * If we're going to overwrite the argv area, count the available + * space. Also move the environment to make additional room. + */ + + /* + * check for contiguous argv strings + */ + for (i = 0; i < argc; i++) { + if (i == 0 || end_of_area + 1 == argv[i]) + end_of_area = argv[i] + strlen(argv[i]); + } + + /* probably can't happen? */ + if (end_of_area == NULL) { + ps_buffer = NULL; + ps_buffer_size = 0; + return; + } + + /* + * check for contiguous environ strings following argv + */ + for (i = 0; environ[i] != NULL; i++) { + if (end_of_area + 1 == environ[i]) + end_of_area = environ[i] + strlen(environ[i]); + } + + ps_buffer = argv[0]; + ps_buffer_size = end_of_area - argv[0] - 1; + + /* + * Duplicate and move the environment out of the way + */ + new_environ = malloc(sizeof(char *) * (i + 1)); + for (i = 0; environ[i] != NULL; i++) + new_environ[i] = strdup(environ[i]); + new_environ[i] = NULL; + environ = new_environ; +#endif /* PS_USE_CLOBBER_ARGV */ +} + diff --git a/crypto/openssh/openbsd-compat/setproctitle.h b/crypto/openssh/openbsd-compat/setproctitle.h index 8261bd0..48d26c6 100644 --- a/crypto/openssh/openbsd-compat/setproctitle.h +++ b/crypto/openssh/openbsd-compat/setproctitle.h @@ -1,4 +1,4 @@ -/* $Id: setproctitle.h,v 1.2 2001/02/09 01:55:36 djm Exp $ */ +/* $Id: setproctitle.h,v 1.3 2003/01/09 22:53:13 djm Exp $ */ #ifndef _BSD_SETPROCTITLE_H #define _BSD_SETPROCTITLE_H @@ -7,6 +7,7 @@ #ifndef HAVE_SETPROCTITLE void setproctitle(const char *fmt, ...); +void compat_init_setproctitle(int argc, char *argv[]); #endif #endif /* _BSD_SETPROCTITLE_H */ diff --git a/crypto/openssh/openbsd-compat/sys-tree.h b/crypto/openssh/openbsd-compat/sys-tree.h index 0a58710..927ca04 100644 --- a/crypto/openssh/openbsd-compat/sys-tree.h +++ b/crypto/openssh/openbsd-compat/sys-tree.h @@ -1,4 +1,4 @@ -/* $OpenBSD: tree.h,v 1.6 2002/06/11 22:09:52 provos Exp $ */ +/* $OpenBSD: tree.h,v 1.7 2002/10/17 21:51:54 art Exp $ */ /* * Copyright 2002 Niels Provos <provos@citi.umich.edu> * All rights reserved. @@ -343,12 +343,13 @@ struct { \ RB_LEFT(RB_PARENT(elm, field), field) = (tmp); \ else \ RB_RIGHT(RB_PARENT(elm, field), field) = (tmp); \ - RB_AUGMENT(RB_PARENT(elm, field)); \ } else \ (head)->rbh_root = (tmp); \ RB_LEFT(tmp, field) = (elm); \ RB_PARENT(elm, field) = (tmp); \ RB_AUGMENT(tmp); \ + if ((RB_PARENT(tmp, field))) \ + RB_AUGMENT(RB_PARENT(tmp, field)); \ } while (0) #define RB_ROTATE_RIGHT(head, elm, tmp, field) do { \ @@ -362,12 +363,13 @@ struct { \ RB_LEFT(RB_PARENT(elm, field), field) = (tmp); \ else \ RB_RIGHT(RB_PARENT(elm, field), field) = (tmp); \ - RB_AUGMENT(RB_PARENT(elm, field)); \ } else \ (head)->rbh_root = (tmp); \ RB_RIGHT(tmp, field) = (elm); \ RB_PARENT(elm, field) = (tmp); \ RB_AUGMENT(tmp); \ + if ((RB_PARENT(tmp, field))) \ + RB_AUGMENT(RB_PARENT(tmp, field)); \ } while (0) /* Generates prototypes and inline functions */ diff --git a/crypto/openssh/openbsd-compat/vis.c b/crypto/openssh/openbsd-compat/vis.c new file mode 100644 index 0000000..fc57413 --- /dev/null +++ b/crypto/openssh/openbsd-compat/vis.c @@ -0,0 +1,232 @@ +/*- + * 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. + */ +#include "config.h" +#if !defined(HAVE_STRNVIS) + +#if defined(LIBC_SCCS) && !defined(lint) +static char rcsid[] = "$OpenBSD: vis.c,v 1.8 2002/02/19 19:39:36 millert Exp $"; +#endif /* LIBC_SCCS and not lint */ + +#include <ctype.h> + +#include "vis.h" + +#define isoctal(c) (((u_char)(c)) >= '0' && ((u_char)(c)) <= '7') +#define isvisible(c) (((u_int)(c) <= UCHAR_MAX && isascii((u_char)(c)) && \ + isgraph((u_char)(c))) || \ + ((flag & VIS_SP) == 0 && (c) == ' ') || \ + ((flag & VIS_TAB) == 0 && (c) == '\t') || \ + ((flag & VIS_NL) == 0 && (c) == '\n') || \ + ((flag & VIS_SAFE) && \ + ((c) == '\b' || (c) == '\007' || (c) == '\r'))) + +/* + * vis - visually encode characters + */ +char * +vis(dst, c, flag, nextc) + register char *dst; + int c, nextc; + register int flag; +{ + if (isvisible(c)) { + *dst++ = c; + if (c == '\\' && (flag & VIS_NOSLASH) == 0) + *dst++ = '\\'; + *dst = '\0'; + return (dst); + } + + if (flag & VIS_CSTYLE) { + switch(c) { + case '\n': + *dst++ = '\\'; + *dst++ = 'n'; + goto done; + case '\r': + *dst++ = '\\'; + *dst++ = 'r'; + goto done; + case '\b': + *dst++ = '\\'; + *dst++ = 'b'; + goto done; + case '\a': + *dst++ = '\\'; + *dst++ = 'a'; + goto done; + case '\v': + *dst++ = '\\'; + *dst++ = 'v'; + goto done; + case '\t': + *dst++ = '\\'; + *dst++ = 't'; + goto done; + case '\f': + *dst++ = '\\'; + *dst++ = 'f'; + goto done; + case ' ': + *dst++ = '\\'; + *dst++ = 's'; + goto done; + case '\0': + *dst++ = '\\'; + *dst++ = '0'; + if (isoctal(nextc)) { + *dst++ = '0'; + *dst++ = '0'; + } + goto done; + } + } + if (((c & 0177) == ' ') || (flag & VIS_OCTAL)) { + *dst++ = '\\'; + *dst++ = ((u_char)c >> 6 & 07) + '0'; + *dst++ = ((u_char)c >> 3 & 07) + '0'; + *dst++ = ((u_char)c & 07) + '0'; + goto done; + } + if ((flag & VIS_NOSLASH) == 0) + *dst++ = '\\'; + if (c & 0200) { + c &= 0177; + *dst++ = 'M'; + } + if (iscntrl(c)) { + *dst++ = '^'; + if (c == 0177) + *dst++ = '?'; + else + *dst++ = c + '@'; + } else { + *dst++ = '-'; + *dst++ = c; + } +done: + *dst = '\0'; + return (dst); +} + +/* + * strvis, strnvis, strvisx - visually encode characters from src into dst + * + * Dst must be 4 times the size of src to account for possible + * expansion. The length of dst, not including the trailing NULL, + * is returned. + * + * Strnvis will write no more than siz-1 bytes (and will NULL terminate). + * The number of bytes needed to fully encode the string is returned. + * + * Strvisx encodes exactly len bytes from src into dst. + * This is useful for encoding a block of data. + */ +int +strvis(dst, src, flag) + register char *dst; + register const char *src; + int flag; +{ + register char c; + char *start; + + for (start = dst; (c = *src);) + dst = vis(dst, c, flag, *++src); + *dst = '\0'; + return (dst - start); +} + +int +strnvis(dst, src, siz, flag) + register char *dst; + register const char *src; + size_t siz; + int flag; +{ + register char c; + char *start, *end; + + for (start = dst, end = start + siz - 1; (c = *src) && dst < end; ) { + if (isvisible(c)) { + *dst++ = c; + if (c == '\\' && (flag & VIS_NOSLASH) == 0) { + /* need space for the extra '\\' */ + if (dst < end) + *dst++ = '\\'; + else { + dst--; + break; + } + } + src++; + } else { + /* vis(3) requires up to 4 chars */ + if (dst + 3 < end) + dst = vis(dst, c, flag, *++src); + else + break; + } + } + *dst = '\0'; + if (dst >= end) { + char tbuf[5]; + + /* adjust return value for truncation */ + while ((c = *src)) + dst += vis(tbuf, c, flag, *++src) - tbuf; + } + return (dst - start); +} + +int +strvisx(dst, src, len, flag) + register char *dst; + register const char *src; + register size_t len; + int flag; +{ + register char c; + char *start; + + for (start = dst; len > 1; len--) { + c = *src; + dst = vis(dst, c, flag, *++src); + } + if (len) + dst = vis(dst, *src, flag, '\0'); + *dst = '\0'; + return (dst - start); +} + +#endif diff --git a/crypto/openssh/openbsd-compat/vis.h b/crypto/openssh/openbsd-compat/vis.h new file mode 100644 index 0000000..5df6f36 --- /dev/null +++ b/crypto/openssh/openbsd-compat/vis.h @@ -0,0 +1,91 @@ +/* $OpenBSD: vis.h,v 1.5 2002/02/16 21:27:17 millert Exp $ */ +/* $NetBSD: vis.h,v 1.4 1994/10/26 00:56:41 cgd Exp $ */ + +/*- + * Copyright (c) 1990 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. + * + * @(#)vis.h 5.9 (Berkeley) 4/3/91 + */ +#include "config.h" +#if !defined(HAVE_STRNVIS) + +#ifndef _VIS_H_ +#define _VIS_H_ + +#include <sys/types.h> +#include <limits.h> + +/* + * to select alternate encoding format + */ +#define VIS_OCTAL 0x01 /* use octal \ddd format */ +#define VIS_CSTYLE 0x02 /* use \[nrft0..] where appropriate */ + +/* + * to alter set of characters encoded (default is to encode all + * non-graphic except space, tab, and newline). + */ +#define VIS_SP 0x04 /* also encode space */ +#define VIS_TAB 0x08 /* also encode tab */ +#define VIS_NL 0x10 /* also encode newline */ +#define VIS_WHITE (VIS_SP | VIS_TAB | VIS_NL) +#define VIS_SAFE 0x20 /* only encode "unsafe" characters */ + +/* + * other + */ +#define VIS_NOSLASH 0x40 /* inhibit printing '\' */ + +/* + * unvis return codes + */ +#define UNVIS_VALID 1 /* character valid */ +#define UNVIS_VALIDPUSH 2 /* character valid, push back passed char */ +#define UNVIS_NOCHAR 3 /* valid sequence, no character produced */ +#define UNVIS_SYNBAD -1 /* unrecognized escape sequence */ +#define UNVIS_ERROR -2 /* decoder in unknown state (unrecoverable) */ + +/* + * unvis flags + */ +#define UNVIS_END 1 /* no more characters */ + +char *vis(char *, int, int, int); +int strvis(char *, const char *, int); +int strnvis(char *, const char *, size_t, int); +int strvisx(char *, const char *, size_t, int); +int strunvis(char *, const char *); +int unvis(char *, char, int *, int); + +#endif /* !_VIS_H_ */ + +#endif /* !HAVE_STRNVIS */ diff --git a/crypto/openssh/packet.c b/crypto/openssh/packet.c index bd347ef..3e21df7 100644 --- a/crypto/openssh/packet.c +++ b/crypto/openssh/packet.c @@ -37,7 +37,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: packet.c,v 1.97 2002/07/04 08:12:15 deraadt Exp $"); +RCSID("$OpenBSD: packet.c,v 1.104 2003/04/01 10:22:21 markus Exp $"); #include "xmalloc.h" #include "buffer.h" @@ -564,7 +564,7 @@ set_newkeys(int mode) CipherContext *cc; int encrypt; - debug("newkeys: mode %d", mode); + debug2("set_newkeys: mode %d", mode); if (mode == MODE_OUT) { cc = &send_context; @@ -574,7 +574,7 @@ set_newkeys(int mode) encrypt = CIPHER_DECRYPT; } if (newkeys[mode] != NULL) { - debug("newkeys: rekeying"); + debug("set_newkeys: rekeying"); cipher_cleanup(cc); enc = &newkeys[mode]->enc; mac = &newkeys[mode]->mac; @@ -840,7 +840,7 @@ packet_read_poll1(void) cp = buffer_ptr(&input); len = GET_32BIT(cp); if (len < 1 + 2 + 2 || len > 256 * 1024) - packet_disconnect("Bad packet length %d.", len); + packet_disconnect("Bad packet length %u.", len); padded_len = (len + 8) & ~7; /* Check if the packet has been entirely received. */ @@ -936,9 +936,9 @@ packet_read_poll2(u_int32_t *seqnr_p) packet_length = GET_32BIT(cp); if (packet_length < 1 + 4 || packet_length > 256 * 1024) { buffer_dump(&incoming_packet); - packet_disconnect("Bad packet length %d.", packet_length); + packet_disconnect("Bad packet length %u.", packet_length); } - DBG(debug("input: packet len %d", packet_length+4)); + DBG(debug("input: packet len %u", packet_length+4)); buffer_consume(&input, block_size); } /* we have a partial packet of block_size bytes */ @@ -1226,6 +1226,9 @@ packet_disconnect(const char *fmt,...) vsnprintf(buf, sizeof(buf), fmt, args); va_end(args); + /* Display the error locally */ + log("Disconnecting: %.100s", buf); + /* Send the disconnect message to the other side, and wait for it to get sent. */ if (compat20) { packet_start(SSH2_MSG_DISCONNECT); @@ -1245,8 +1248,6 @@ packet_disconnect(const char *fmt,...) /* Close the connection. */ packet_close(); - /* Display the error locally and exit. */ - log("Disconnecting: %.100s", buf); fatal_cleanup(); } @@ -1313,16 +1314,26 @@ packet_not_very_much_data_to_write(void) return buffer_len(&output) < 128 * 1024; } +static void +packet_set_tos(int interactive) +{ + int tos = interactive ? IPTOS_LOWDELAY : IPTOS_THROUGHPUT; + + if (!packet_connection_is_on_socket() || + !packet_connection_is_ipv4()) + return; + if (setsockopt(connection_in, IPPROTO_IP, IP_TOS, &tos, + sizeof(tos)) < 0) + error("setsockopt IP_TOS %d: %.100s:", + tos, strerror(errno)); +} + /* Informs that the current session is interactive. Sets IP flags for that. */ void packet_set_interactive(int interactive) { static int called = 0; -#if defined(IP_TOS) && !defined(IP_TOS_IS_BROKEN) - int lowdelay = IPTOS_LOWDELAY; - int throughput = IPTOS_THROUGHPUT; -#endif if (called) return; @@ -1333,35 +1344,12 @@ packet_set_interactive(int interactive) /* Only set socket options if using a socket. */ if (!packet_connection_is_on_socket()) - return; - /* - * IPTOS_LOWDELAY and IPTOS_THROUGHPUT are IPv4 only - */ - if (interactive) { - /* - * Set IP options for an interactive connection. Use - * IPTOS_LOWDELAY and TCP_NODELAY. - */ -#if defined(IP_TOS) && !defined(IP_TOS_IS_BROKEN) - if (packet_connection_is_ipv4()) { - if (setsockopt(connection_in, IPPROTO_IP, IP_TOS, - &lowdelay, sizeof(lowdelay)) < 0) - error("setsockopt IPTOS_LOWDELAY: %.100s", - strerror(errno)); - } -#endif + if (interactive) set_nodelay(connection_in); - } else if (packet_connection_is_ipv4()) { - /* - * Set IP options for a non-interactive connection. Use - * IPTOS_THROUGHPUT. - */ #if defined(IP_TOS) && !defined(IP_TOS_IS_BROKEN) - if (setsockopt(connection_in, IPPROTO_IP, IP_TOS, &throughput, - sizeof(throughput)) < 0) - error("setsockopt IPTOS_THROUGHPUT: %.100s", strerror(errno)); + packet_set_tos(interactive); #endif - } + } /* Returns true if the current connection is interactive. */ diff --git a/crypto/openssh/packet.h b/crypto/openssh/packet.h index 3ff7559..46830c3 100644 --- a/crypto/openssh/packet.h +++ b/crypto/openssh/packet.h @@ -1,4 +1,4 @@ -/* $OpenBSD: packet.h,v 1.35 2002/06/19 18:01:00 markus Exp $ */ +/* $OpenBSD: packet.h,v 1.37 2003/04/01 10:22:21 markus Exp $ */ /* * Author: Tatu Ylonen <ylo@cs.hut.fi> diff --git a/crypto/openssh/progressmeter.c b/crypto/openssh/progressmeter.c new file mode 100644 index 0000000..90eb97f --- /dev/null +++ b/crypto/openssh/progressmeter.c @@ -0,0 +1,282 @@ +/* + * Copyright (c) 1999 Theo de Raadt. All rights reserved. + * Copyright (c) 1999 Aaron Campbell. 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + */ + +/* + * Parts from: + * + * Copyright (c) 1983, 1990, 1992, 1993, 1995 + * 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. + * + */ + +#include "includes.h" +RCSID("$OpenBSD: progressmeter.c,v 1.3 2003/03/17 10:38:38 markus Exp $"); + +#ifdef HAVE_LIBGEN_H +#include <libgen.h> +#endif + +#include "atomicio.h" +#include "progressmeter.h" + +/* Number of seconds before xfer considered "stalled". */ +#define STALLTIME 5 +/* alarm() interval for updating progress meter. */ +#define PROGRESSTIME 1 + +/* Signal handler used for updating the progress meter. */ +static void update_progress_meter(int); + +/* Returns non-zero if we are the foreground process. */ +static int foregroundproc(void); + +/* Returns width of the terminal (for progress meter calculations). */ +static int get_tty_width(void); + +/* Visual statistics about files as they are transferred. */ +static void draw_progress_meter(void); + +/* Time a transfer started. */ +static struct timeval start; + +/* Number of bytes of current file transferred so far. */ +static volatile off_t *statbytes; + +/* Total size of current file. */ +static off_t totalbytes; + +/* Name of current file being transferred. */ +static char *curfile; + +/* Time of last update. */ +static struct timeval lastupdate; + +/* Size at the time of the last update. */ +static off_t lastsize; + +void +start_progress_meter(char *file, off_t filesize, off_t *counter) +{ + if ((curfile = basename(file)) == NULL) + curfile = file; + + totalbytes = filesize; + statbytes = counter; + (void) gettimeofday(&start, (struct timezone *) 0); + lastupdate = start; + lastsize = 0; + + draw_progress_meter(); + signal(SIGALRM, update_progress_meter); + alarm(PROGRESSTIME); +} + +void +stop_progress_meter() +{ + alarm(0); + draw_progress_meter(); + if (foregroundproc() != 0) + atomicio(write, fileno(stdout), "\n", 1); +} + +static void +update_progress_meter(int ignore) +{ + int save_errno = errno; + + draw_progress_meter(); + signal(SIGALRM, update_progress_meter); + alarm(PROGRESSTIME); + errno = save_errno; +} + +static int +foregroundproc(void) +{ + static pid_t pgrp = -1; + int ctty_pgrp; + + if (pgrp == -1) + pgrp = getpgrp(); + +#ifdef HAVE_TCGETPGRP + return ((ctty_pgrp = tcgetpgrp(STDOUT_FILENO)) != -1 && + ctty_pgrp == pgrp); +#else + return ((ioctl(STDOUT_FILENO, TIOCGPGRP, &ctty_pgrp) != -1 && + ctty_pgrp == pgrp)); +#endif +} + +static void +draw_progress_meter() +{ + static const char spaces[] = " " + " " + " " + " " + " " + " "; + static const char prefixes[] = " KMGTP"; + struct timeval now, td, wait; + off_t cursize, abbrevsize, bytespersec; + double elapsed; + int ratio, remaining, i, ai, bi, nspaces; + char buf[512]; + + if (foregroundproc() == 0) + return; + + (void) gettimeofday(&now, (struct timezone *) 0); + cursize = *statbytes; + if (totalbytes != 0) { + ratio = 100.0 * cursize / totalbytes; + ratio = MAX(ratio, 0); + ratio = MIN(ratio, 100); + } else + ratio = 100; + + abbrevsize = cursize; + for (ai = 0; abbrevsize >= 10000 && ai < sizeof(prefixes); ai++) + abbrevsize >>= 10; + + timersub(&now, &lastupdate, &wait); + if (cursize > lastsize) { + lastupdate = now; + lastsize = cursize; + wait.tv_sec = 0; + } + timersub(&now, &start, &td); + elapsed = td.tv_sec + (td.tv_usec / 1000000.0); + + bytespersec = 0; + if (cursize > 0) { + bytespersec = cursize; + if (elapsed > 0.0) + bytespersec /= elapsed; + } + for (bi = 1; bytespersec >= 1024000 && bi < sizeof(prefixes); bi++) + bytespersec >>= 10; + + nspaces = MIN(get_tty_width() - 79, sizeof(spaces) - 1); + +#ifdef HAVE_LONG_LONG_INT + snprintf(buf, sizeof(buf), + "\r%-45.45s%.*s%3d%% %4lld%c%c %3lld.%01d%cB/s", + curfile, + nspaces, + spaces, + ratio, + (long long)abbrevsize, + prefixes[ai], + ai == 0 ? ' ' : 'B', + (long long)(bytespersec / 1024), + (int)((bytespersec % 1024) * 10 / 1024), + prefixes[bi] + ); +#else + /* XXX: Handle integer overflow? */ + snprintf(buf, sizeof(buf), + "\r%-45.45s%.*s%3d%% %4lu%c%c %3lu.%01d%cB/s", + curfile, + nspaces, + spaces, + ratio, + (u_long)abbrevsize, + prefixes[ai], + ai == 0 ? ' ' : 'B', + (u_long)(bytespersec / 1024), + (int)((bytespersec % 1024) * 10 / 1024), + prefixes[bi] + ); +#endif + + if (cursize <= 0 || elapsed <= 0.0 || cursize > totalbytes) { + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), + " --:-- ETA"); + } else if (wait.tv_sec >= STALLTIME) { + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), + " - stalled -"); + } else { + if (cursize != totalbytes) + remaining = (int)(totalbytes / (cursize / elapsed) - + elapsed); + else + remaining = elapsed; + + i = remaining / 3600; + if (i) + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), + "%2d:", i); + else + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), + " "); + i = remaining % 3600; + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), + "%02d:%02d%s", i / 60, i % 60, + (cursize != totalbytes) ? " ETA" : " "); + } + atomicio(write, fileno(stdout), buf, strlen(buf)); +} + +static int +get_tty_width(void) +{ + struct winsize winsize; + + if (ioctl(fileno(stdout), TIOCGWINSZ, &winsize) != -1) + return (winsize.ws_col ? winsize.ws_col : 80); + else + return (80); +} diff --git a/crypto/openssh/progressmeter.h b/crypto/openssh/progressmeter.h new file mode 100644 index 0000000..bfb9a0b --- /dev/null +++ b/crypto/openssh/progressmeter.h @@ -0,0 +1,27 @@ +/* $OpenBSD: progressmeter.h,v 1.1 2003/01/10 08:19:07 fgsch Exp $ */ +/* + * Copyright (c) 2002 Nils Nordman. 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + */ + +void start_progress_meter(char *, off_t, off_t *); +void stop_progress_meter(void); diff --git a/crypto/openssh/readconf.c b/crypto/openssh/readconf.c index bae06be..1df5ce2 100644 --- a/crypto/openssh/readconf.c +++ b/crypto/openssh/readconf.c @@ -12,7 +12,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: readconf.c,v 1.100 2002/06/19 00:27:55 deraadt Exp $"); +RCSID("$OpenBSD: readconf.c,v 1.104 2003/04/01 10:22:21 markus Exp $"); #include "ssh.h" #include "xmalloc.h" @@ -114,6 +114,7 @@ typedef enum { oDynamicForward, oPreferredAuthentications, oHostbasedAuthentication, oHostKeyAlgorithms, oBindAddress, oSmartcardDevice, oClearAllForwardings, oNoHostAuthenticationForLocalhost, + oEnableSSHKeysign, oDeprecated } OpCodes; @@ -185,6 +186,7 @@ static struct { { "bindaddress", oBindAddress }, { "smartcarddevice", oSmartcardDevice }, { "clearallforwardings", oClearAllForwardings }, + { "enablesshkeysign", oEnableSSHKeysign }, { "nohostauthenticationforlocalhost", oNoHostAuthenticationForLocalhost }, { NULL, oBadOption } }; @@ -266,14 +268,16 @@ parse_token(const char *cp, const char *filename, int linenum) * Processes a single option line as used in the configuration files. This * only sets those values that have not already been set. */ +#define WHITESPACE " \t\r\n" int process_config_line(Options *options, const char *host, char *line, const char *filename, int linenum, int *activep) { - char buf[256], *s, *string, **charptr, *endofnumber, *keyword, *arg; + char buf[256], *s, **charptr, *endofnumber, *keyword, *arg; int opcode, *intptr, value; + size_t len; u_short fwd_port, fwd_host_port; char sfwd_host_port[6]; @@ -486,16 +490,9 @@ parse_string: case oProxyCommand: charptr = &options->proxy_command; - string = xstrdup(""); - while ((arg = strdelim(&s)) != NULL && *arg != '\0') { - string = xrealloc(string, strlen(string) + strlen(arg) + 2); - strcat(string, " "); - strcat(string, arg); - } + len = strspn(s, WHITESPACE "="); if (*activep && *charptr == NULL) - *charptr = string; - else - xfree(string); + *charptr = xstrdup(s + len); return 0; case oPort: @@ -669,6 +666,10 @@ parse_int: *intptr = value; break; + case oEnableSSHKeysign: + intptr = &options->enable_ssh_keysign; + goto parse_flag; + case oDeprecated: debug("%s line %d: Deprecated option \"%s\"", filename, linenum, keyword); @@ -792,6 +793,7 @@ initialize_options(Options * options) options->preferred_authentications = NULL; options->bind_address = NULL; options->smartcard_device = NULL; + options->enable_ssh_keysign = - 1; options->no_host_authentication_for_localhost = - 1; } @@ -907,6 +909,8 @@ fill_default_options(Options * options) clear_forwardings(options); if (options->no_host_authentication_for_localhost == - 1) options->no_host_authentication_for_localhost = 0; + if (options->enable_ssh_keysign == -1) + options->enable_ssh_keysign = 0; /* options->proxy_command should not be set by default */ /* options->user will be set in the main program if appropriate */ /* options->hostname will be set in the main program if appropriate */ diff --git a/crypto/openssh/readconf.h b/crypto/openssh/readconf.h index 92af535..78e04fe 100644 --- a/crypto/openssh/readconf.h +++ b/crypto/openssh/readconf.h @@ -1,4 +1,4 @@ -/* $OpenBSD: readconf.h,v 1.43 2002/06/08 05:17:01 markus Exp $ */ +/* $OpenBSD: readconf.h,v 1.46 2003/04/01 10:22:21 markus Exp $ */ /* * Author: Tatu Ylonen <ylo@cs.hut.fi> @@ -99,6 +99,8 @@ typedef struct { int num_remote_forwards; Forward remote_forwards[SSH_MAX_FORWARDS_PER_DIRECTION]; int clear_forwardings; + + int enable_ssh_keysign; int no_host_authentication_for_localhost; } Options; diff --git a/crypto/openssh/readpass.c b/crypto/openssh/readpass.c index 96b7e84..95ec5d8 100644 --- a/crypto/openssh/readpass.c +++ b/crypto/openssh/readpass.c @@ -23,7 +23,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: readpass.c,v 1.27 2002/03/26 15:58:46 markus Exp $"); +RCSID("$OpenBSD: readpass.c,v 1.28 2003/01/23 13:50:27 markus Exp $"); #include "xmalloc.h" #include "readpass.h" @@ -46,11 +46,11 @@ ssh_askpass(char *askpass, const char *msg) fatal("internal error: askpass undefined"); if (pipe(p) < 0) { error("ssh_askpass: pipe: %s", strerror(errno)); - return xstrdup(""); + return NULL; } if ((pid = fork()) < 0) { error("ssh_askpass: fork: %s", strerror(errno)); - return xstrdup(""); + return NULL; } if (pid == 0) { seteuid(getuid()); @@ -79,6 +79,11 @@ ssh_askpass(char *askpass, const char *msg) if (errno != EINTR) break; + if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) { + memset(buf, 0, sizeof(buf)); + return NULL; + } + buf[strcspn(buf, "\r\n")] = '\0'; pass = xstrdup(buf); memset(buf, 0, sizeof(buf)); @@ -115,7 +120,10 @@ read_passphrase(const char *prompt, int flags) askpass = getenv(SSH_ASKPASS_ENV); else askpass = _PATH_SSH_ASKPASS_DEFAULT; - return ssh_askpass(askpass, prompt); + if ((ret = ssh_askpass(askpass, prompt)) == NULL) + if (!(flags & RP_ALLOW_EOF)) + return xstrdup(""); + return ret; } if (readpassphrase(prompt, buf, sizeof buf, rppflags) == NULL) { diff --git a/crypto/openssh/regress/Makefile b/crypto/openssh/regress/Makefile index 26224cd..6e20293 100644 --- a/crypto/openssh/regress/Makefile +++ b/crypto/openssh/regress/Makefile @@ -1,8 +1,8 @@ -# $OpenBSD: Makefile,v 1.13 2002/04/01 22:15:08 markus Exp $ +# $OpenBSD: Makefile,v 1.20 2003/01/08 23:54:22 djm Exp $ -REGRESSTARGETS= t1 t2 t3 t4 t5 t6 t7 +REGRESS_TARGETS= t1 t2 t3 t4 t5 t6 t7 -CLEANFILES+= t2.out t6.out1 t6.out2 t7.out t7.out.pub +CLEANFILES+= t2.out t6.out1 t6.out2 t7.out t7.out.pub copy.1 copy.2 LTESTS= connect \ proxy-connect \ @@ -17,8 +17,14 @@ LTESTS= connect \ try-ciphers \ yes-head \ agent \ + agent-getpeereid \ + agent-timeout \ + agent-ptrace \ keyscan \ + keygen-change \ sftp \ + sftp-cmds \ + sftp-batch \ forwarding USER!= id -un @@ -65,7 +71,7 @@ t7: t7.out ssh-keygen -Bf t7.out > /dev/null .for t in ${LTESTS} -REGRESSTARGETS+=t-${t} +REGRESS_TARGETS+=t-${t} t-${t}: sh ${.CURDIR}/test-exec.sh ${.OBJDIR} ${.CURDIR}/${t}.sh .endfor diff --git a/crypto/openssh/regress/agent-getpeereid.sh b/crypto/openssh/regress/agent-getpeereid.sh new file mode 100644 index 0000000..0889fe8 --- /dev/null +++ b/crypto/openssh/regress/agent-getpeereid.sh @@ -0,0 +1,34 @@ +# $OpenBSD: agent-getpeereid.sh,v 1.1 2002/12/09 16:05:02 markus Exp $ +# Placed in the Public Domain. + +tid="disallow agent attach from other uid" + +UNPRIV=nobody +ASOCK=${OBJ}/agent +SSH_AUTH_SOCK=/nonexistant + +trace "start agent" +eval `${SSHAGENT} -s -a ${ASOCK}` > /dev/null +r=$? +if [ $r -ne 0 ]; then + fail "could not start ssh-agent: exit code $r" +else + chmod 644 ${SSH_AUTH_SOCK} + + ssh-add -l > /dev/null 2>&1 + r=$? + if [ $r -ne 1 ]; then + fail "ssh-add failed with $r != 1" + fi + + < /dev/null sudo -S -u ${UNPRIV} ssh-add -l > /dev/null 2>&1 + r=$? + if [ $r -lt 2 ]; then + fail "ssh-add did not fail for ${UNPRIV}: $r < 2" + fi + + trace "kill agent" + ${SSHAGENT} -k > /dev/null +fi + +rm -f ${OBJ}/agent diff --git a/crypto/openssh/regress/agent-ptrace.sh b/crypto/openssh/regress/agent-ptrace.sh new file mode 100644 index 0000000..9f9c999 --- /dev/null +++ b/crypto/openssh/regress/agent-ptrace.sh @@ -0,0 +1,28 @@ +# $OpenBSD: agent-ptrace.sh,v 1.1 2002/12/09 15:38:30 markus Exp $ +# Placed in the Public Domain. + +tid="disallow agent ptrace attach" + +trace "start agent" +eval `${SSHAGENT} -s` > /dev/null +r=$? +if [ $r -ne 0 ]; then + fail "could not start ssh-agent: exit code $r" +else + # ls -l ${SSH_AUTH_SOCK} + gdb ${SSHAGENT} ${SSH_AGENT_PID} > ${OBJ}/gdb.out 2>&1 << EOF + quit +EOF + if [ $? -ne 0 ]; then + fail "gdb failed: exit code $?" + fi + grep -q 'ptrace: Operation not permitted.' ${OBJ}/gdb.out + r=$? + rm -f ${OBJ}/gdb.out + if [ $r -ne 0 ]; then + fail "ptrace succeeded?: exit code $r" + fi + + trace "kill agent" + ${SSHAGENT} -k > /dev/null +fi diff --git a/crypto/openssh/regress/agent-timeout.sh b/crypto/openssh/regress/agent-timeout.sh new file mode 100644 index 0000000..28b1be0 --- /dev/null +++ b/crypto/openssh/regress/agent-timeout.sh @@ -0,0 +1,36 @@ +# $OpenBSD: agent-timeout.sh,v 1.1 2002/06/06 00:38:40 markus Exp $ +# Placed in the Public Domain. + +tid="agent timeout test" + +TIMEOUT=5 + +trace "start agent" +eval `${SSHAGENT} -s` > /dev/null +r=$? +if [ $r -ne 0 ]; then + fail "could not start ssh-agent: exit code $r" +else + trace "add keys with timeout" + for t in rsa rsa1; do + ${SSHADD} -t ${TIMEOUT} $OBJ/$t > /dev/null 2>&1 + if [ $? -ne 0 ]; then + fail "ssh-add did succeed exit code 0" + fi + done + n=`${SSHADD} -l 2> /dev/null | wc -l` + trace "agent has $n keys" + if [ $n -ne 2 ]; then + fail "ssh-add -l did not return 2 keys: $n" + fi + trace "sleeping 2*${TIMEOUT} seconds" + sleep ${TIMEOUT} + sleep ${TIMEOUT} + ${SSHADD} -l 2> /dev/null | grep -q 'The agent has no identities.' + if [ $? -ne 0 ]; then + fail "ssh-add -l still returns keys after timeout" + fi + + trace "kill agent" + ${SSHAGENT} -k > /dev/null +fi diff --git a/crypto/openssh/regress/keygen-change.sh b/crypto/openssh/regress/keygen-change.sh new file mode 100644 index 0000000..08d3590 --- /dev/null +++ b/crypto/openssh/regress/keygen-change.sh @@ -0,0 +1,23 @@ +# $OpenBSD: keygen-change.sh,v 1.2 2002/07/16 09:15:55 markus Exp $ +# Placed in the Public Domain. + +tid="change passphrase for key" + +S1="secret1" +S2="2secret" + +for t in rsa dsa rsa1; do + # generate user key for agent + trace "generating $t key" + rm -f $OBJ/$t-key + ${SSHKEYGEN} -q -N ${S1} -t $t -f $OBJ/$t-key + if [ $? -eq 0 ]; then + ${SSHKEYGEN} -p -P ${S1} -N ${S2} -f $OBJ/$t-key > /dev/null + if [ $? -ne 0 ]; then + fail "ssh-keygen -p failed for $t-key" + fi + else + fail "ssh-keygen for $t-key failed" + fi + rm -f $OBJ/$t-key $OBJ/$t-key.pub +done diff --git a/crypto/openssh/regress/proxy-connect.sh b/crypto/openssh/regress/proxy-connect.sh index bf1940f..6a36b25 100644 --- a/crypto/openssh/regress/proxy-connect.sh +++ b/crypto/openssh/regress/proxy-connect.sh @@ -1,4 +1,4 @@ -# $OpenBSD: proxy-connect.sh,v 1.4 2002/03/15 13:08:56 markus Exp $ +# $OpenBSD: proxy-connect.sh,v 1.5 2002/12/09 15:28:46 markus Exp $ # Placed in the Public Domain. tid="proxy connect" @@ -8,4 +8,11 @@ for p in 1 2; do if [ $? -ne 0 ]; then fail "ssh proxyconnect protocol $p failed" fi + SSH_CONNECTION=`${SSH} -$p -F $OBJ/ssh_proxy 999.999.999.999 'echo $SSH_CONNECTION'` + if [ $? -ne 0 ]; then + fail "ssh proxyconnect protocol $p failed" + fi + if [ "$SSH_CONNECTION" != "UNKNOWN 65535 UNKNOWN 65535" ]; then + fail "bad SSH_CONNECTION" + fi done diff --git a/crypto/openssh/regress/sftp-batch.sh b/crypto/openssh/regress/sftp-batch.sh new file mode 100644 index 0000000..cffacb6 --- /dev/null +++ b/crypto/openssh/regress/sftp-batch.sh @@ -0,0 +1,57 @@ +# $OpenBSD: sftp-batch.sh,v 1.2 2003/01/10 07:52:41 djm Exp $ +# Placed in the Public Domain. + +tid="sftp batchfile" + +DATA=/bin/ls +COPY=${OBJ}/copy +BATCH=${OBJ}/sftp-batch + +rm -rf ${COPY} ${COPY}.1 ${COPY}.2 ${COPY}.dd ${BATCH}.* + +cat << EOF > ${BATCH}.pass.1 + get $DATA $COPY + put ${COPY} ${COPY}.1 + rm ${COPY} + -put ${COPY} ${COPY}.2 +EOF + +cat << EOF > ${BATCH}.pass.2 + # This is a comment + + # That was a blank line + ls +EOF + +cat << EOF > ${BATCH}.fail.1 + get $DATA $COPY + put ${COPY} ${COPY}.3 + rm ${COPY}.* + # The next command should fail + put ${COPY}.3 ${COPY}.4 +EOF + +cat << EOF > ${BATCH}.fail.2 + # The next command should fail + jajajajaja +EOF + +verbose "$tid: good commands" +${SFTP} -b ${BATCH}.pass.1 -P ${SFTPSERVER} >/dev/null 2>&1 \ + || fail "good commands failed" + +verbose "$tid: bad commands" +${SFTP} -b ${BATCH}.fail.1 -P ${SFTPSERVER} >/dev/null 2>&1 \ + && fail "bad commands succeeded" + +verbose "$tid: comments and blanks" +${SFTP} -b ${BATCH}.pass.2 -P ${SFTPSERVER} >/dev/null 2>&1 \ + || fail "comments & blanks failed" + +verbose "$tid: junk command" +${SFTP} -b ${BATCH}.fail.2 -P ${SFTPSERVER} >/dev/null 2>&1 \ + && fail "junk command succeeded" + +rm -rf ${COPY} ${COPY}.1 ${COPY}.2 ${COPY}.dd ${BATCH}.* + + diff --git a/crypto/openssh/regress/sftp-cmds.sh b/crypto/openssh/regress/sftp-cmds.sh new file mode 100644 index 0000000..462c680 --- /dev/null +++ b/crypto/openssh/regress/sftp-cmds.sh @@ -0,0 +1,100 @@ +# $OpenBSD: sftp-cmds.sh,v 1.2 2003/01/10 07:52:41 djm Exp $ +# Placed in the Public Domain. + +# XXX - TODO: +# - globbed operations +# - chmod / chown / chgrp +# - -p flag for get & put + +tid="sftp commands" + +DATA=/bin/ls +COPY=${OBJ}/copy + +rm -rf ${COPY} ${COPY}.1 ${COPY}.2 ${COPY}.dd ${BATCH}.* + +verbose "$tid: lls" +echo "lls ${OBJ}" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \ + || fail "lls failed" +# XXX always successful + +verbose "$tid: ls" +echo "ls ${OBJ}" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \ + || fail "ls failed" +# XXX always successful + +verbose "$tid: shell" +echo "!echo hi there" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \ + || fail "shell failed" +# XXX always successful + +verbose "$tid: pwd" +echo "pwd" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \ + || fail "pwd failed" +# XXX always successful + +verbose "$tid: lpwd" +echo "lpwd" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \ + || fail "lpwd failed" +# XXX always successful + +verbose "$tid: quit" +echo "quit" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \ + || fail "quit failed" +# XXX always successful + +verbose "$tid: help" +echo "help" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \ + || fail "help failed" +# XXX always successful + +rm -f ${COPY} +verbose "$tid: get" +echo "get $DATA $COPY" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \ + || fail "get failed" +cmp $DATA ${COPY} || fail "corrupted copy after get" + +rm -f ${COPY} +verbose "$tid: put" +echo "put $DATA $COPY" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \ + || fail "put failed" +cmp $DATA ${COPY} || fail "corrupted copy after put" + +verbose "$tid: rename" +echo "rename $COPY ${COPY}.1" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \ + || fail "rename failed" +test -f ${COPY}.1 || fail "missing file after rename" +cmp $DATA ${COPY}.1 >/dev/null 2>&1 || fail "corrupted copy after rename" + +verbose "$tid: ln" +echo "ln ${COPY}.1 ${COPY}.2" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 || fail "ln failed" +test -L ${COPY}.2 || fail "missing file after ln" + +verbose "$tid: mkdir" +echo "mkdir ${COPY}.dd" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \ + || fail "mkdir failed" +test -d ${COPY}.dd || fail "missing directory after mkdir" + +# XXX do more here +verbose "$tid: chdir" +echo "chdir ${COPY}.dd" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \ + || fail "chdir failed" + +verbose "$tid: rmdir" +echo "rmdir ${COPY}.dd" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \ + || fail "rmdir failed" +test -d ${COPY}.1 && fail "present directory after rmdir" + +verbose "$tid: lmkdir" +echo "lmkdir ${COPY}.dd" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \ + || fail "lmkdir failed" +test -d ${COPY}.dd || fail "missing directory after lmkdir" + +# XXX do more here +verbose "$tid: lchdir" +echo "lchdir ${COPY}.dd" | ${SFTP} -P ${SFTPSERVER} >/dev/null 2>&1 \ + || fail "lchdir failed" + +rm -rf ${COPY} ${COPY}.1 ${COPY}.2 ${COPY}.dd ${BATCH}.* + + diff --git a/crypto/openssh/regress/ssh-com-client.sh b/crypto/openssh/regress/ssh-com-client.sh index 84b0b47..015ebbb 100644 --- a/crypto/openssh/regress/ssh-com-client.sh +++ b/crypto/openssh/regress/ssh-com-client.sh @@ -1,4 +1,4 @@ -# $OpenBSD: ssh-com-client.sh,v 1.3 2002/04/10 08:45:30 markus Exp $ +# $OpenBSD: ssh-com-client.sh,v 1.4 2002/07/16 08:58:16 markus Exp $ # Placed in the Public Domain. tid="connect with ssh.com client" @@ -15,7 +15,9 @@ VERSIONS=" 2.3.1 2.4.0 3.0.0 - 3.1.0" + 3.1.0 + 3.2.0 + 3.3.0" # 2.0.10 2.0.12 2.0.13 don't like the test setup diff --git a/crypto/openssh/regress/ssh-com-keygen.sh b/crypto/openssh/regress/ssh-com-keygen.sh index 90ba2fc..e93dc78 100644 --- a/crypto/openssh/regress/ssh-com-keygen.sh +++ b/crypto/openssh/regress/ssh-com-keygen.sh @@ -1,4 +1,4 @@ -# $OpenBSD: ssh-com-keygen.sh,v 1.1 2002/03/27 22:40:27 markus Exp $ +# $OpenBSD: ssh-com-keygen.sh,v 1.2 2002/07/16 08:58:16 markus Exp $ # Placed in the Public Domain. tid="ssh.com key import" @@ -18,7 +18,9 @@ VERSIONS=" 2.3.1 2.4.0 3.0.0 - 3.1.0" + 3.1.0 + 3.2.0 + 3.3.0" COMPRV=${OBJ}/comkey COMPUB=${COMPRV}.pub diff --git a/crypto/openssh/regress/ssh-com-sftp.sh b/crypto/openssh/regress/ssh-com-sftp.sh index 231efa1..f08018b 100644 --- a/crypto/openssh/regress/ssh-com-sftp.sh +++ b/crypto/openssh/regress/ssh-com-sftp.sh @@ -1,4 +1,4 @@ -# $OpenBSD: ssh-com-sftp.sh,v 1.2 2002/04/10 08:45:30 markus Exp $ +# $OpenBSD: ssh-com-sftp.sh,v 1.3 2002/07/16 08:58:16 markus Exp $ # Placed in the Public Domain. tid="basic sftp put/get with ssh.com server" @@ -24,7 +24,9 @@ VERSIONS=" 2.3.1 2.4.0 3.0.0 - 3.1.0" + 3.1.0 + 3.2.0 + 3.3.0" # go for it for v in ${VERSIONS}; do diff --git a/crypto/openssh/regress/ssh-com.sh b/crypto/openssh/regress/ssh-com.sh index 6a199fa..c2bd153 100644 --- a/crypto/openssh/regress/ssh-com.sh +++ b/crypto/openssh/regress/ssh-com.sh @@ -1,4 +1,4 @@ -# $OpenBSD: ssh-com.sh,v 1.3 2002/03/15 13:08:56 markus Exp $ +# $OpenBSD: ssh-com.sh,v 1.4 2002/07/16 08:58:16 markus Exp $ # Placed in the Public Domain. tid="connect to ssh.com server" @@ -14,17 +14,19 @@ VERSIONS=" 2.1.0 2.2.0 2.3.0 - 2.3.1 2.4.0 3.0.0 - 3.1.0" + 3.1.0 + 3.2.0 + 3.3.0" # 2.0.10 does not support UserConfigDirectory +# 2.3.1 requires a config in $HOME/.ssh2 SRC=`dirname ${SCRIPT}` # ssh.com cat << EOF > $OBJ/sshd2_config -*: +#*: # Port and ListenAdress are not used. QuietMode yes Port 4343 diff --git a/crypto/openssh/scp.1 b/crypto/openssh/scp.1 index 396ab64..a3ec2e0 100644 --- a/crypto/openssh/scp.1 +++ b/crypto/openssh/scp.1 @@ -9,7 +9,7 @@ .\" .\" Created: Sun May 7 00:14:37 1995 ylo .\" -.\" $OpenBSD: scp.1,v 1.23 2002/06/22 16:41:57 stevesk Exp $ +.\" $OpenBSD: scp.1,v 1.27 2003/03/28 10:11:43 jmc Exp $ .\" .Dd September 25, 1999 .Dt SCP 1 @@ -19,12 +19,14 @@ .Nd secure copy (remote file copy program) .Sh SYNOPSIS .Nm scp -.Op Fl pqrvBC46 +.Bk -words +.Op Fl pqrvBC1246 .Op Fl F Ar ssh_config .Op Fl S Ar program .Op Fl P Ar port .Op Fl c Ar cipher .Op Fl i Ar identity_file +.Op Fl l Ar limit .Op Fl o Ar ssh_option .Sm off .Oo @@ -39,6 +41,7 @@ .Ar host2 No : .Oc Ar file2 .Sm on +.Ek .Sh DESCRIPTION .Nm copies files between hosts on a network. @@ -68,6 +71,8 @@ Selects the file from which the identity (private key) for RSA authentication is read. This option is directly passed to .Xr ssh 1 . +.It Fl l Ar limit +Limits the used bandwidth, specified in Kbit/s. .It Fl p Preserves modification times, access times, and modes from the original file. @@ -122,9 +127,15 @@ in the format used in This is useful for specifying options for which there is no separate .Nm scp -command-line flag. For example, forcing the use of protocol -version 1 is specified using -.Ic scp -oProtocol=1 . +command-line flag. +.It Fl 1 +Forces +.Nm +to use protocol 1. +.It Fl 2 +Forces +.Nm +to use protocol 2. .It Fl 4 Forces .Nm diff --git a/crypto/openssh/scp.c b/crypto/openssh/scp.c index 921ffee..35d4c5f 100644 --- a/crypto/openssh/scp.c +++ b/crypto/openssh/scp.c @@ -75,13 +75,14 @@ */ #include "includes.h" -RCSID("$OpenBSD: scp.c,v 1.91 2002/06/19 00:27:55 deraadt Exp $"); +RCSID("$OpenBSD: scp.c,v 1.102 2003/03/05 22:33:43 markus Exp $"); #include "xmalloc.h" #include "atomicio.h" #include "pathnames.h" #include "log.h" #include "misc.h" +#include "progressmeter.h" #ifdef HAVE___PROGNAME extern char *__progname; @@ -89,29 +90,13 @@ extern char *__progname; char *__progname; #endif -/* For progressmeter() -- number of seconds before xfer considered "stalled" */ -#define STALLTIME 5 -/* alarm() interval for updating progress meter */ -#define PROGRESSTIME 1 - -/* Visual statistics about files as they are transferred. */ -void progressmeter(int); - -/* Returns width of the terminal (for progress meter calculations). */ -int getttywidth(void); -int do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout, int argc); +void bwlimit(int); /* Struct for addargs */ arglist args; -/* Time a transfer started. */ -static struct timeval start; - -/* Number of bytes of current file transferred so far. */ -volatile off_t statbytes; - -/* Total size of current file. */ -off_t totalbytes = 0; +/* Bandwidth limit */ +off_t limitbw = 0; /* Name of current file being transferred. */ char *curfile; @@ -125,6 +110,9 @@ int showprogress = 1; /* This is the program to execute for the secured connection. ("ssh" or -S) */ char *ssh_program = _PATH_SSH_PROGRAM; +/* This is used to store the pid of ssh_program */ +pid_t do_cmd_pid; + /* * This function executes the given command as the specified user on the * given host. This returns < 0 if execution fails, and >= 0 otherwise. This @@ -159,7 +147,8 @@ do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout, int argc) close(reserved[1]); /* For a child to execute the command on the remote host using ssh. */ - if (fork() == 0) { + do_cmd_pid = fork(); + if (do_cmd_pid == 0) { /* Child. */ close(pin[1]); close(pout[0]); @@ -177,6 +166,8 @@ do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout, int argc) execvp(ssh_program, args.list); perror(ssh_program); exit(1); + } else if (do_cmd_pid == -1) { + fatal("fork: %s", strerror(errno)); } /* Parent. Close the other side, and return the local side. */ close(pin[0]); @@ -219,8 +210,9 @@ main(argc, argv) int argc; char *argv[]; { - int ch, fflag, tflag; - char *targ; + int ch, fflag, tflag, status; + double speed; + char *targ, *endp; extern char *optarg; extern int optind; @@ -233,9 +225,11 @@ main(argc, argv) addargs(&args, "-oClearAllForwardings yes"); fflag = tflag = 0; - while ((ch = getopt(argc, argv, "dfprtvBCc:i:P:q46S:o:F:")) != -1) + while ((ch = getopt(argc, argv, "dfl:prtvBCc:i:P:q1246S:o:F:")) != -1) switch (ch) { /* User-visible flags. */ + case '1': + case '2': case '4': case '6': case 'C': @@ -253,6 +247,12 @@ main(argc, argv) case 'B': addargs(&args, "-oBatchmode yes"); break; + case 'l': + speed = strtod(optarg, &endp); + if (speed <= 0 || *endp != '\0') + usage(); + limitbw = speed * 1024; + break; case 'p': pflag = 1; break; @@ -317,6 +317,7 @@ main(argc, argv) targetshouldbedirectory = 1; remin = remout = -1; + do_cmd_pid = -1; /* Command to be executed on remote system using "ssh". */ (void) snprintf(cmd, sizeof cmd, "scp%s%s%s%s", verbose_mode ? " -v" : "", @@ -332,6 +333,22 @@ main(argc, argv) if (targetshouldbedirectory) verifydir(argv[argc - 1]); } + /* + * Finally check the exit status of the ssh process, if one was forked + * and no error has occured yet + */ + if (do_cmd_pid != -1 && errs == 0) { + if (remin != -1) + (void) close(remin); + if (remout != -1) + (void) close(remout); + if (waitpid(do_cmd_pid, &status, 0) == -1) + errs = 1; + else { + if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) + errs = 1; + } + } exit(errs != 0); } @@ -347,14 +364,12 @@ toremote(targ, argc, argv) if (*targ == 0) targ = "."; - if ((thost = strchr(argv[argc - 1], '@'))) { + if ((thost = strrchr(argv[argc - 1], '@'))) { /* user@host */ *thost++ = 0; tuser = argv[argc - 1]; if (*tuser == '\0') tuser = NULL; - else if (!okname(tuser)) - exit(1); } else { thost = argv[argc - 1]; tuser = NULL; @@ -368,7 +383,7 @@ toremote(targ, argc, argv) *src++ = 0; if (*src == 0) src = "."; - host = strchr(argv[i], '@'); + host = strrchr(argv[i], '@'); len = strlen(ssh_program) + strlen(argv[i]) + strlen(src) + (tuser ? strlen(tuser) : 0) + strlen(thost) + strlen(targ) + @@ -380,8 +395,14 @@ toremote(targ, argc, argv) suser = argv[i]; if (*suser == '\0') suser = pwd->pw_name; - else if (!okname(suser)) + else if (!okname(suser)) { + xfree(bp); continue; + } + if (tuser && !okname(tuser)) { + xfree(bp); + continue; + } snprintf(bp, len, "%s%s %s -n " "-l %s %s %s %s '%s%s%s:%s'", @@ -447,7 +468,7 @@ tolocal(argc, argv) *src++ = 0; if (*src == 0) src = "."; - if ((host = strchr(argv[i], '@')) == NULL) { + if ((host = strrchr(argv[i], '@')) == NULL) { host = argv[i]; suser = NULL; } else { @@ -455,8 +476,6 @@ tolocal(argc, argv) suser = argv[i]; if (*suser == '\0') suser = pwd->pw_name; - else if (!okname(suser)) - continue; } host = cleanhostname(host); len = strlen(src) + CMDNEEDS + 20; @@ -482,7 +501,7 @@ source(argc, argv) struct stat stb; static BUF buffer; BUF *bp; - off_t i, amt, result; + off_t i, amt, result, statbytes; int fd, haderr, indx; char *last, *name, buf[2048]; int len; @@ -547,7 +566,6 @@ syserr: run_err("%s: %s", name, strerror(errno)); #endif if (verbose_mode) { fprintf(stderr, "Sending file modes: %s", buf); - fflush(stderr); } (void) atomicio(write, remout, buf, strlen(buf)); if (response() < 0) @@ -556,10 +574,8 @@ syserr: run_err("%s: %s", name, strerror(errno)); next: (void) close(fd); continue; } - if (showprogress) { - totalbytes = stb.st_size; - progressmeter(-1); - } + if (showprogress) + start_progress_meter(curfile, stb.st_size, &statbytes); /* Keep writing after an error so that we stay sync'd up. */ for (haderr = i = 0; i < stb.st_size; i += bp->cnt) { amt = bp->cnt; @@ -578,9 +594,11 @@ next: (void) close(fd); haderr = result >= 0 ? EIO : errno; statbytes += result; } + if (limitbw) + bwlimit(amt); } if (showprogress) - progressmeter(1); + stop_progress_meter(); if (close(fd) < 0 && !haderr) haderr = errno; @@ -648,6 +666,60 @@ rsource(name, statp) } void +bwlimit(int amount) +{ + static struct timeval bwstart, bwend; + static int lamt, thresh = 16384; + u_int64_t wait; + struct timespec ts, rm; + + if (!timerisset(&bwstart)) { + gettimeofday(&bwstart, NULL); + return; + } + + lamt += amount; + if (lamt < thresh) + return; + + gettimeofday(&bwend, NULL); + timersub(&bwend, &bwstart, &bwend); + if (!timerisset(&bwend)) + return; + + lamt *= 8; + wait = (double)1000000L * lamt / limitbw; + + bwstart.tv_sec = wait / 1000000L; + bwstart.tv_usec = wait % 1000000L; + + if (timercmp(&bwstart, &bwend, >)) { + timersub(&bwstart, &bwend, &bwend); + + /* Adjust the wait time */ + if (bwend.tv_sec) { + thresh /= 2; + if (thresh < 2048) + thresh = 2048; + } else if (bwend.tv_usec < 100) { + thresh *= 2; + if (thresh > 32768) + thresh = 32768; + } + + TIMEVAL_TO_TIMESPEC(&bwend, &ts); + while (nanosleep(&ts, &rm) == -1) { + if (errno != EINTR) + break; + ts = rm; + } + } + + lamt = 0; + gettimeofday(&bwstart, NULL); +} + +void sink(argc, argv) int argc; char *argv[]; @@ -660,7 +732,7 @@ sink(argc, argv) BUF *bp; off_t i, j; int amt, count, exists, first, mask, mode, ofd, omode; - off_t size; + off_t size, statbytes; int setimes, targisdir, wrerrno = 0; char ch, *cp, *np, *targ, *why, *vect[1], buf[2048]; struct timeval tv[2]; @@ -822,11 +894,9 @@ bad: run_err("%s: %s", np, strerror(errno)); cp = bp->buf; wrerr = NO; - if (showprogress) { - totalbytes = size; - progressmeter(-1); - } statbytes = 0; + if (showprogress) + start_progress_meter(curfile, size, &statbytes); for (count = i = 0; i < size; i += 4096) { amt = 4096; if (i + amt > size) @@ -846,6 +916,10 @@ bad: run_err("%s: %s", np, strerror(errno)); cp += j; statbytes += j; } while (amt > 0); + + if (limitbw) + bwlimit(4096); + if (count == bp->cnt) { /* Keep reading so we stay sync'd up. */ if (wrerr == NO) { @@ -860,13 +934,13 @@ bad: run_err("%s: %s", np, strerror(errno)); } } if (showprogress) - progressmeter(1); + stop_progress_meter(); if (count != 0 && wrerr == NO && (j = atomicio(write, ofd, bp->buf, count)) != count) { wrerr = YES; wrerrno = j >= 0 ? EIO : errno; } - if (ftruncate(ofd, size)) { + if (wrerr == NO && ftruncate(ofd, size) != 0) { run_err("%s: truncate: %s", np, strerror(errno)); wrerr = DISPLAYED; } @@ -955,8 +1029,8 @@ void usage(void) { (void) fprintf(stderr, - "usage: scp [-pqrvBC46] [-F config] [-S program] [-P port]\n" - " [-c cipher] [-i identity] [-o option]\n" + "usage: scp [-pqrvBC1246] [-F config] [-S program] [-P port]\n" + " [-c cipher] [-i identity] [-l limit] [-o option]\n" " [[user@]host1:]file1 [...] [[user@]host2:]file2\n"); exit(1); } @@ -1013,9 +1087,18 @@ okname(cp0) c = (int)*cp; if (c & 0200) goto bad; - if (!isalpha(c) && !isdigit(c) && - c != '_' && c != '-' && c != '.' && c != '+') - goto bad; + if (!isalpha(c) && !isdigit(c)) { + switch (c) { + case '\'': + case '"': + case '`': + case ' ': + case '#': + goto bad; + default: + break; + } + } } while (*++cp); return (1); @@ -1036,11 +1119,9 @@ allocbuf(bp, fd, blksize) run_err("fstat: %s", strerror(errno)); return (0); } - if (stb.st_blksize == 0) + size = roundup(stb.st_blksize, blksize); + if (size == 0) size = blksize; - else - size = blksize + (stb.st_blksize - blksize % stb.st_blksize) % - stb.st_blksize; #else /* HAVE_STRUCT_STAT_ST_BLKSIZE */ size = blksize; #endif /* HAVE_STRUCT_STAT_ST_BLKSIZE */ @@ -1066,149 +1147,3 @@ lostconn(signo) else exit(1); } - -static void -updateprogressmeter(int ignore) -{ - int save_errno = errno; - - progressmeter(0); - signal(SIGALRM, updateprogressmeter); - alarm(PROGRESSTIME); - errno = save_errno; -} - -static int -foregroundproc(void) -{ - static pid_t pgrp = -1; - int ctty_pgrp; - - if (pgrp == -1) - pgrp = getpgrp(); - -#ifdef HAVE_TCGETPGRP - return ((ctty_pgrp = tcgetpgrp(STDOUT_FILENO)) != -1 && - ctty_pgrp == pgrp); -#else - return ((ioctl(STDOUT_FILENO, TIOCGPGRP, &ctty_pgrp) != -1 && - ctty_pgrp == pgrp)); -#endif -} - -void -progressmeter(int flag) -{ - static const char prefixes[] = " KMGTP"; - static struct timeval lastupdate; - static off_t lastsize; - struct timeval now, td, wait; - off_t cursize, abbrevsize; - double elapsed; - int ratio, barlength, i, remaining; - char buf[512]; - - if (flag == -1) { - (void) gettimeofday(&start, (struct timezone *) 0); - lastupdate = start; - lastsize = 0; - } - if (foregroundproc() == 0) - return; - - (void) gettimeofday(&now, (struct timezone *) 0); - cursize = statbytes; - if (totalbytes != 0) { - ratio = 100.0 * cursize / totalbytes; - ratio = MAX(ratio, 0); - ratio = MIN(ratio, 100); - } else - ratio = 100; - - snprintf(buf, sizeof(buf), "\r%-20.20s %3d%% ", curfile, ratio); - - barlength = getttywidth() - 51; - if (barlength > 0) { - i = barlength * ratio / 100; - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), - "|%.*s%*s|", i, - "*******************************************************" - "*******************************************************" - "*******************************************************" - "*******************************************************" - "*******************************************************" - "*******************************************************" - "*******************************************************", - barlength - i, ""); - } - i = 0; - abbrevsize = cursize; - while (abbrevsize >= 100000 && i < sizeof(prefixes)) { - i++; - abbrevsize >>= 10; - } - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " %5lu %c%c ", - (unsigned long) abbrevsize, prefixes[i], - prefixes[i] == ' ' ? ' ' : 'B'); - - timersub(&now, &lastupdate, &wait); - if (cursize > lastsize) { - lastupdate = now; - lastsize = cursize; - if (wait.tv_sec >= STALLTIME) { - start.tv_sec += wait.tv_sec; - start.tv_usec += wait.tv_usec; - } - wait.tv_sec = 0; - } - timersub(&now, &start, &td); - elapsed = td.tv_sec + (td.tv_usec / 1000000.0); - - if (flag != 1 && - (statbytes <= 0 || elapsed <= 0.0 || cursize > totalbytes)) { - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), - " --:-- ETA"); - } else if (wait.tv_sec >= STALLTIME) { - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), - " - stalled -"); - } else { - if (flag != 1) - remaining = (int)(totalbytes / (statbytes / elapsed) - - elapsed); - else - remaining = elapsed; - - i = remaining / 3600; - if (i) - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), - "%2d:", i); - else - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), - " "); - i = remaining % 3600; - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), - "%02d:%02d%s", i / 60, i % 60, - (flag != 1) ? " ETA" : " "); - } - atomicio(write, fileno(stdout), buf, strlen(buf)); - - if (flag == -1) { - mysignal(SIGALRM, updateprogressmeter); - alarm(PROGRESSTIME); - } else if (flag == 1) { - alarm(0); - atomicio(write, fileno(stdout), "\n", 1); - statbytes = 0; - } -} - -int -getttywidth(void) -{ - struct winsize winsize; - - if (ioctl(fileno(stdout), TIOCGWINSZ, &winsize) != -1) - return (winsize.ws_col ? winsize.ws_col : 80); - else - return (80); -} diff --git a/crypto/openssh/servconf.c b/crypto/openssh/servconf.c index e3939df..2510659 100644 --- a/crypto/openssh/servconf.c +++ b/crypto/openssh/servconf.c @@ -10,7 +10,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: servconf.c,v 1.115 2002/09/04 18:52:42 stevesk Exp $"); +RCSID("$OpenBSD: servconf.c,v 1.116 2003/02/21 09:05:53 markus Exp $"); #if defined(KRB4) #include <krb.h> @@ -935,6 +935,7 @@ read_server_config(ServerOptions *options, const char *filename) char line[1024]; FILE *f; + debug2("read_server_config: filename %s", filename); f = fopen(filename, "r"); if (!f) { perror(filename); diff --git a/crypto/openssh/serverloop.c b/crypto/openssh/serverloop.c index 58e20df..f4df9cc 100644 --- a/crypto/openssh/serverloop.c +++ b/crypto/openssh/serverloop.c @@ -35,7 +35,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: serverloop.c,v 1.104 2002/09/19 16:03:15 stevesk Exp $"); +RCSID("$OpenBSD: serverloop.c,v 1.106 2003/04/01 10:22:21 markus Exp $"); #include "xmalloc.h" #include "packet.h" diff --git a/crypto/openssh/session.c b/crypto/openssh/session.c index 9074525..c75fea9 100644 --- a/crypto/openssh/session.c +++ b/crypto/openssh/session.c @@ -33,7 +33,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: session.c,v 1.150 2002/09/16 19:55:33 stevesk Exp $"); +RCSID("$OpenBSD: session.c,v 1.154 2003/03/05 22:33:43 markus Exp $"); #include "ssh.h" #include "ssh1.h" @@ -201,6 +201,8 @@ auth_input_request_forwarding(struct passwd * pw) void do_authenticated(Authctxt *authctxt) { + setproctitle("%s", authctxt->pw->pw_name); + /* * Cancel the alarm we set to limit the time taken for * authentication. @@ -689,7 +691,7 @@ do_pre_login(Session *s) record_utmp_only(pid, s->tty, s->pw->pw_name, get_remote_name_or_ip(utmp_len, options.verify_reverse_mapping), - (struct sockaddr *)&from); + (struct sockaddr *)&from, fromlen); } #endif @@ -730,8 +732,8 @@ do_login(Session *s, const char *command) * the address be 0.0.0.0. */ memset(&from, 0, sizeof(from)); + fromlen = sizeof(from); if (packet_connection_is_on_socket()) { - fromlen = sizeof(from); if (getpeername(packet_get_connection_in(), (struct sockaddr *) & from, &fromlen) < 0) { debug("getpeername: %.100s", strerror(errno)); @@ -949,7 +951,7 @@ do_setup_env(Session *s, const char *shell) { char buf[256]; u_int i, envsize; - char **env; + char **env, *laddr; struct passwd *pw = s->pw; /* Initialize the environment. */ @@ -969,6 +971,9 @@ do_setup_env(Session *s, const char *shell) /* Set basic environment. */ child_set_env(&env, &envsize, "USER", pw->pw_name); child_set_env(&env, &envsize, "LOGNAME", pw->pw_name); +#ifdef _AIX + child_set_env(&env, &envsize, "LOGIN", pw->pw_name); +#endif child_set_env(&env, &envsize, "HOME", pw->pw_dir); #ifdef HAVE_LOGIN_CAP if (setusercontext(lc, pw, pw->pw_uid, LOGIN_SETPATH) < 0) @@ -1025,9 +1030,10 @@ do_setup_env(Session *s, const char *shell) get_remote_ipaddr(), get_remote_port(), get_local_port()); child_set_env(&env, &envsize, "SSH_CLIENT", buf); + laddr = get_local_ipaddr(packet_get_connection_in()); snprintf(buf, sizeof buf, "%.50s %d %.50s %d", - get_remote_ipaddr(), get_remote_port(), - get_local_ipaddr(packet_get_connection_in()), get_local_port()); + get_remote_ipaddr(), get_remote_port(), laddr, get_local_port()); + xfree(laddr); child_set_env(&env, &envsize, "SSH_CONNECTION", buf); if (s->ttyfd != -1) @@ -1146,8 +1152,10 @@ do_rc_files(Session *s, const char *shell) /* Add authority data to .Xauthority if appropriate. */ if (debug_flag) { fprintf(stderr, - "Running %.500s add " - "%.100s %.100s %.100s\n", + "Running %.500s remove %.100s\n", + options.xauth_location, s->auth_display); + fprintf(stderr, + "%.500s add %.100s %.100s %.100s\n", options.xauth_location, s->auth_display, s->auth_proto, s->auth_data); } @@ -1155,6 +1163,8 @@ do_rc_files(Session *s, const char *shell) options.xauth_location); f = popen(cmd, "w"); if (f) { + fprintf(f, "remove %s\n", + s->auth_display); fprintf(f, "add %s %s %s\n", s->auth_display, s->auth_proto, s->auth_data); @@ -1187,6 +1197,7 @@ do_nologin(struct passwd *pw) while (fgets(buf, sizeof(buf), f)) fputs(buf, stderr); fclose(f); + fflush(NULL); exit(254); } } @@ -1195,11 +1206,11 @@ do_nologin(struct passwd *pw) void do_setusercontext(struct passwd *pw) { -#ifdef HAVE_CYGWIN - if (is_winnt) { -#else /* HAVE_CYGWIN */ - if (getuid() == 0 || geteuid() == 0) { +#ifndef HAVE_CYGWIN + if (getuid() == 0 || geteuid() == 0) #endif /* HAVE_CYGWIN */ + { + #ifdef HAVE_SETPCRED setpcred(pw->pw_name); #endif /* HAVE_SETPCRED */ @@ -1249,6 +1260,10 @@ do_setusercontext(struct passwd *pw) permanently_set_uid(pw); #endif } + +#ifdef HAVE_CYGWIN + if (is_winnt) +#endif if (getuid() != pw->pw_uid || geteuid() != pw->pw_uid) fatal("Failed to set uids to %u.", (u_int) pw->pw_uid); } @@ -1306,7 +1321,7 @@ do_child(Session *s, const char *command) */ if (!options.use_login) { #ifdef HAVE_OSF_SIA - session_setup_sia(pw->pw_name, s->ttyfd == -1 ? NULL : s->tty); + session_setup_sia(pw, s->ttyfd == -1 ? NULL : s->tty); if (!check_quietlogin(s, command)) do_motd(); #else /* HAVE_OSF_SIA */ @@ -1320,12 +1335,17 @@ do_child(Session *s, const char *command) * legal, and means /bin/sh. */ shell = (pw->pw_shell[0] == '\0') ? _PATH_BSHELL : pw->pw_shell; + + /* + * Make sure $SHELL points to the shell from the password file, + * even if shell is overridden from login.conf + */ + env = do_setup_env(s, shell); + #ifdef HAVE_LOGIN_CAP shell = login_getcapstr(lc, "shell", (char *)shell, (char *)shell); #endif - env = do_setup_env(s, shell); - /* we have to stash the hostname before we close our socket. */ if (options.use_login) hostname = get_remote_name_or_ip(utmp_len, @@ -1989,13 +2009,22 @@ session_tty_list(void) { static char buf[1024]; int i; + char *cp; + buf[0] = '\0'; for (i = 0; i < MAX_SESSIONS; i++) { Session *s = &sessions[i]; if (s->used && s->ttyfd != -1) { + + if (strncmp(s->tty, "/dev/", 5) != 0) { + cp = strrchr(s->tty, '/'); + cp = (cp == NULL) ? s->tty : cp + 1; + } else + cp = s->tty + 5; + if (buf[0] != '\0') strlcat(buf, ",", sizeof buf); - strlcat(buf, strrchr(s->tty, '/') + 1, sizeof buf); + strlcat(buf, cp, sizeof buf); } } if (buf[0] == '\0') diff --git a/crypto/openssh/sftp-client.c b/crypto/openssh/sftp-client.c index f6a73f3..3b3279e 100644 --- a/crypto/openssh/sftp-client.c +++ b/crypto/openssh/sftp-client.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2001,2002 Damien Miller. All rights reserved. + * Copyright (c) 2001-2003 Damien Miller. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -28,7 +28,7 @@ /* XXX: copy between two remote sites */ #include "includes.h" -RCSID("$OpenBSD: sftp-client.c,v 1.35 2002/09/11 22:41:49 djm Exp $"); +RCSID("$OpenBSD: sftp-client.c,v 1.42 2003/03/05 22:33:43 markus Exp $"); #include "openbsd-compat/sys-queue.h" @@ -38,14 +38,20 @@ RCSID("$OpenBSD: sftp-client.c,v 1.35 2002/09/11 22:41:49 djm Exp $"); #include "xmalloc.h" #include "log.h" #include "atomicio.h" +#include "progressmeter.h" #include "sftp.h" #include "sftp-common.h" #include "sftp-client.h" +extern int showprogress; + /* Minimum amount of data to read at at time */ #define MIN_READ_SIZE 512 +/* Maximum packet size */ +#define MAX_MSG_LENGTH (256 * 1024) + struct sftp_conn { int fd_in; int fd_out; @@ -58,48 +64,45 @@ struct sftp_conn { static void send_msg(int fd, Buffer *m) { - int mlen = buffer_len(m); - int len; - Buffer oqueue; + u_char mlen[4]; + + if (buffer_len(m) > MAX_MSG_LENGTH) + fatal("Outbound message too long %u", buffer_len(m)); - buffer_init(&oqueue); - buffer_put_int(&oqueue, mlen); - buffer_append(&oqueue, buffer_ptr(m), mlen); - buffer_consume(m, mlen); + /* Send length first */ + PUT_32BIT(mlen, buffer_len(m)); + if (atomicio(write, fd, mlen, sizeof(mlen)) <= 0) + fatal("Couldn't send packet: %s", strerror(errno)); - len = atomicio(write, fd, buffer_ptr(&oqueue), buffer_len(&oqueue)); - if (len <= 0) + if (atomicio(write, fd, buffer_ptr(m), buffer_len(m)) <= 0) fatal("Couldn't send packet: %s", strerror(errno)); - buffer_free(&oqueue); + buffer_clear(m); } static void get_msg(int fd, Buffer *m) { - u_int len, msg_len; - unsigned char buf[4096]; + ssize_t len; + u_int msg_len; - len = atomicio(read, fd, buf, 4); + buffer_append_space(m, 4); + len = atomicio(read, fd, buffer_ptr(m), 4); if (len == 0) fatal("Connection closed"); else if (len == -1) fatal("Couldn't read packet: %s", strerror(errno)); - msg_len = GET_32BIT(buf); - if (msg_len > 256 * 1024) + msg_len = buffer_get_int(m); + if (msg_len > MAX_MSG_LENGTH) fatal("Received message too long %u", msg_len); - while (msg_len) { - len = atomicio(read, fd, buf, MIN(msg_len, sizeof(buf))); - if (len == 0) - fatal("Connection closed"); - else if (len == -1) - fatal("Couldn't read packet: %s", strerror(errno)); - - msg_len -= len; - buffer_append(m, buf, len); - } + buffer_append_space(m, msg_len); + len = atomicio(read, fd, buffer_ptr(m), msg_len); + if (len == 0) + fatal("Connection closed"); + else if (len == -1) + fatal("Read packet: %s", strerror(errno)); } static void @@ -371,6 +374,7 @@ do_lsreaddir(struct sftp_conn *conn, char *path, int printflag, error("Couldn't read directory: %s", fx2txt(status)); do_close(conn, handle, handle_len); + xfree(handle); return(status); } } else if (type != SSH2_FXP_NAME) @@ -660,7 +664,7 @@ do_symlink(struct sftp_conn *conn, char *oldpath, char *newpath) status = get_status(conn->fd_in, id); if (status != SSH2_FX_OK) - error("Couldn't rename file \"%s\" to \"%s\": %s", oldpath, + error("Couldn't symlink file \"%s\" to \"%s\": %s", oldpath, newpath, fx2txt(status)); return(status); @@ -741,6 +745,7 @@ do_download(struct sftp_conn *conn, char *remote_path, char *local_path, int read_error, write_errno; u_int64_t offset, size; u_int handle_len, mode, type, id, buflen; + off_t progress_counter; struct request { u_int id; u_int len; @@ -758,13 +763,13 @@ do_download(struct sftp_conn *conn, char *remote_path, char *local_path, /* XXX: should we preserve set[ug]id? */ if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) - mode = S_IWRITE | (a->perm & 0777); + mode = a->perm & 0777; else mode = 0666; if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) && - (a->perm & S_IFDIR)) { - error("Cannot download a directory: %s", remote_path); + (!S_ISREG(a->perm))) { + error("Cannot download non-regular file: %s", remote_path); return(-1); } @@ -793,7 +798,8 @@ do_download(struct sftp_conn *conn, char *remote_path, char *local_path, return(-1); } - local_fd = open(local_path, O_WRONLY | O_CREAT | O_TRUNC, mode); + local_fd = open(local_path, O_WRONLY | O_CREAT | O_TRUNC, + mode | S_IWRITE); if (local_fd == -1) { error("Couldn't open local file \"%s\" for writing: %s", local_path, strerror(errno)); @@ -805,6 +811,16 @@ do_download(struct sftp_conn *conn, char *remote_path, char *local_path, /* Read from remote and write to local */ write_error = read_error = write_errno = num_req = offset = 0; max_req = 1; + progress_counter = 0; + + if (showprogress) { + if (size) + start_progress_meter(remote_path, size, + &progress_counter); + else + printf("Fetching %s to %s\n", remote_path, local_path); + } + while (num_req > 0 || max_req > 0) { char *data; u_int len; @@ -857,14 +873,15 @@ do_download(struct sftp_conn *conn, char *remote_path, char *local_path, (unsigned long long)req->offset + len - 1); if (len > req->len) fatal("Received more data than asked for " - "%u > %u", len, req->len); + "%u > %u", len, req->len); if ((lseek(local_fd, req->offset, SEEK_SET) == -1 || - atomicio(write, local_fd, data, len) != len) && + atomicio(write, local_fd, data, len) != len) && !write_error) { write_errno = errno; write_error = 1; max_req = 0; } + progress_counter += len; xfree(data); if (len == req->len) { @@ -907,6 +924,9 @@ do_download(struct sftp_conn *conn, char *remote_path, char *local_path, } } + if (showprogress && size) + stop_progress_meter(); + /* Sanity check */ if (TAILQ_FIRST(&requests) != NULL) fatal("Transfer complete, but requests still in queue"); @@ -930,7 +950,7 @@ do_download(struct sftp_conn *conn, char *remote_path, char *local_path, if (pflag && chmod(local_path, mode) == -1) #endif /* HAVE_FCHMOD */ error("Couldn't set mode on \"%s\": %s", local_path, - strerror(errno)); + strerror(errno)); if (pflag && (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME)) { struct timeval tv[2]; tv[0].tv_sec = a->atime; @@ -938,7 +958,7 @@ do_download(struct sftp_conn *conn, char *remote_path, char *local_path, tv[0].tv_usec = tv[1].tv_usec = 0; if (utimes(local_path, tv) == -1) error("Can't set times on \"%s\": %s", - local_path, strerror(errno)); + local_path, strerror(errno)); } } close(local_fd); @@ -983,6 +1003,11 @@ do_upload(struct sftp_conn *conn, char *local_path, char *remote_path, close(local_fd); return(-1); } + if (!S_ISREG(sb.st_mode)) { + error("%s is not a regular file", local_path); + close(local_fd); + return(-1); + } stat_to_attrib(&sb, &a); a.flags &= ~SSH2_FILEXFER_ATTR_SIZE; @@ -1017,6 +1042,11 @@ do_upload(struct sftp_conn *conn, char *local_path, char *remote_path, /* Read from local and write to remote */ offset = 0; + if (showprogress) + start_progress_meter(local_path, sb.st_size, &offset); + else + printf("Uploading %s to %s\n", local_path, remote_path); + for (;;) { int len; @@ -1047,7 +1077,7 @@ do_upload(struct sftp_conn *conn, char *local_path, char *remote_path, buffer_put_string(&msg, data, len); send_msg(conn->fd_out, &msg); debug3("Sent message SSH2_FXP_WRITE I:%u O:%llu S:%u", - id, (unsigned long long)offset, len); + id, (unsigned long long)offset, len); } else if (TAILQ_FIRST(&acks) == NULL) break; @@ -1081,9 +1111,11 @@ do_upload(struct sftp_conn *conn, char *local_path, char *remote_path, if (status != SSH2_FX_OK) { error("Couldn't write to remote file \"%s\": %s", - remote_path, fx2txt(status)); + remote_path, fx2txt(status)); do_close(conn, handle, handle_len); close(local_fd); + xfree(data); + xfree(ack); goto done; } debug3("In write loop, ack for %u %u bytes at %llu", @@ -1093,6 +1125,8 @@ do_upload(struct sftp_conn *conn, char *local_path, char *remote_path, } offset += len; } + if (showprogress) + stop_progress_meter(); xfree(data); if (close(local_fd) == -1) { diff --git a/crypto/openssh/sftp-common.c b/crypto/openssh/sftp-common.c index 0823454..31d4138 100644 --- a/crypto/openssh/sftp-common.c +++ b/crypto/openssh/sftp-common.c @@ -24,7 +24,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: sftp-common.c,v 1.7 2002/09/11 22:41:50 djm Exp $"); +RCSID("$OpenBSD: sftp-common.c,v 1.8 2002/10/16 14:31:48 itojun Exp $"); #include "buffer.h" #include "bufaux.h" @@ -208,6 +208,6 @@ ls_file(char *name, struct stat *st, int remote) glen = MAX(strlen(group), 8); snprintf(buf, sizeof buf, "%s %3d %-*s %-*s %8llu %s %s", mode, st->st_nlink, ulen, user, glen, group, - (u_int64_t)st->st_size, tbuf, name); + (unsigned long long)st->st_size, tbuf, name); return xstrdup(buf); } diff --git a/crypto/openssh/sftp-int.c b/crypto/openssh/sftp-int.c index 6a20129..6987de9 100644 --- a/crypto/openssh/sftp-int.c +++ b/crypto/openssh/sftp-int.c @@ -25,7 +25,7 @@ /* XXX: recursive operations */ #include "includes.h" -RCSID("$OpenBSD: sftp-int.c,v 1.49 2002/09/12 00:13:06 djm Exp $"); +RCSID("$OpenBSD: sftp-int.c,v 1.57 2003/03/05 22:33:43 markus Exp $"); #include "buffer.h" #include "xmalloc.h" @@ -47,6 +47,9 @@ extern size_t copy_buffer_len; /* Number of concurrent outstanding requests */ extern int num_requests; +/* This is set to 0 if the progressmeter is not desired. */ +int showprogress = 1; + /* Seperators for interactive commands */ #define WHITESPACE " \t\r\n" @@ -73,13 +76,14 @@ extern int num_requests; #define I_SHELL 20 #define I_SYMLINK 21 #define I_VERSION 22 +#define I_PROGRESS 23 struct CMD { const char *c; const int n; }; -const struct CMD cmds[] = { +static const struct CMD cmds[] = { { "bye", I_QUIT }, { "cd", I_CHDIR }, { "chdir", I_CHDIR }, @@ -100,6 +104,7 @@ const struct CMD cmds[] = { { "ls", I_LS }, { "lumask", I_LUMASK }, { "mkdir", I_MKDIR }, + { "progress", I_PROGRESS }, { "put", I_PUT }, { "mput", I_PUT }, { "pwd", I_PWD }, @@ -132,6 +137,7 @@ help(void) printf("ls [path] Display remote directory listing\n"); printf("lumask umask Set local umask to 'umask'\n"); printf("mkdir path Create remote directory\n"); + printf("progress Toggle display of progress meter\n"); printf("put local-path [remote-path] Upload file\n"); printf("pwd Display remote working directory\n"); printf("exit Quit sftp\n"); @@ -375,6 +381,17 @@ is_dir(char *path) } static int +is_reg(char *path) +{ + struct stat sb; + + if (stat(path, &sb) == -1) + fatal("stat %s: %s", path, strerror(errno)); + + return(S_ISREG(sb.st_mode)); +} + +static int remote_is_dir(struct sftp_conn *conn, char *path) { Attrib *a; @@ -425,7 +442,6 @@ process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag) err = -1; goto out; } - printf("Fetching %s to %s\n", g.gl_pathv[0], abs_dst); err = do_download(conn, g.gl_pathv[0], abs_dst, pflag); goto out; } @@ -489,6 +505,12 @@ process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag) /* Only one match, dst may be file, directory or unspecified */ if (g.gl_pathv[0] && g.gl_matchc == 1) { + if (!is_reg(g.gl_pathv[0])) { + error("Can't upload %s: not a regular file", + g.gl_pathv[0]); + err = 1; + goto out; + } if (tmp_dst) { /* If directory specified, append filename */ if (remote_is_dir(conn, tmp_dst)) { @@ -507,7 +529,6 @@ process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag) } abs_dst = make_absolute(abs_dst, pwd); } - printf("Uploading %s to %s\n", g.gl_pathv[0], abs_dst); err = do_upload(conn, g.gl_pathv[0], abs_dst, pflag); goto out; } @@ -521,6 +542,11 @@ process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag) } for (i = 0; g.gl_pathv[i]; i++) { + if (!is_reg(g.gl_pathv[i])) { + error("skipping non-regular file %s", + g.gl_pathv[i]); + continue; + } if (infer_path(g.gl_pathv[i], &tmp)) { err = -1; goto out; @@ -550,7 +576,7 @@ sdirent_comp(const void *aa, const void *bb) SFTP_DIRENT *a = *(SFTP_DIRENT **)aa; SFTP_DIRENT *b = *(SFTP_DIRENT **)bb; - return (strcmp(a->filename, b->filename)); + return (strcmp(a->filename, b->filename)); } /* sftp ls.1 replacement for directories */ @@ -563,7 +589,7 @@ do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag) if ((n = do_readdir(conn, path, &d)) != 0) return (n); - /* Count entries for sort */ + /* Count entries for sort */ for (n = 0; d[n] != NULL; n++) ; @@ -571,7 +597,7 @@ do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag) for (n = 0; d[n] != NULL; n++) { char *tmp, *fname; - + tmp = path_append(path, d[n]->filename); fname = path_strip(tmp, strip_path); xfree(tmp); @@ -589,7 +615,7 @@ do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag) /* XXX - multicolumn display would be nice here */ printf("%s\n", fname); } - + xfree(fname); } @@ -599,7 +625,7 @@ do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag) /* sftp ls.1 replacement which handles path globs */ static int -do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path, +do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path, int lflag) { glob_t g; @@ -609,23 +635,23 @@ do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path, memset(&g, 0, sizeof(g)); - if (remote_glob(conn, path, GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE, + if (remote_glob(conn, path, GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE, NULL, &g)) { error("Can't ls: \"%s\" not found", path); return (-1); } /* - * If the glob returns a single match, which is the same as the + * If the glob returns a single match, which is the same as the * input glob, and it is a directory, then just list its contents */ - if (g.gl_pathc == 1 && + if (g.gl_pathc == 1 && strncmp(path, g.gl_pathv[0], strlen(g.gl_pathv[0]) - 1) == 0) { if ((a = do_lstat(conn, path, 1)) == NULL) { globfree(&g); return (-1); } - if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) && + if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) && S_ISDIR(a->perm)) { globfree(&g); return (do_ls_dir(conn, path, strip_path, lflag)); @@ -640,8 +666,8 @@ do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path, if (lflag) { /* * XXX: this is slow - 1 roundtrip per path - * A solution to this is to fork glob() and - * build a sftp specific version which keeps the + * A solution to this is to fork glob() and + * build a sftp specific version which keeps the * attribs (which currently get thrown away) * that the server returns as well as the filenames. */ @@ -666,7 +692,7 @@ do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path, } static int -parse_args(const char **cpp, int *pflag, int *lflag, +parse_args(const char **cpp, int *pflag, int *lflag, int *iflag, unsigned long *n_arg, char **path1, char **path2) { const char *cmd, *cp = *cpp; @@ -678,10 +704,17 @@ parse_args(const char **cpp, int *pflag, int *lflag, /* Skip leading whitespace */ cp = cp + strspn(cp, WHITESPACE); - /* Ignore blank lines */ - if (!*cp) - return(-1); + /* Ignore blank lines and lines which begin with comment '#' char */ + if (*cp == '\0' || *cp == '#') + return (0); + /* Check for leading '-' (disable error processing) */ + *iflag = 0; + if (*cp == '-') { + *iflag = 1; + cp++; + } + /* Figure out which command we have */ for (i = 0; cmds[i].c; i++) { int cmdlen = strlen(cmds[i].c); @@ -703,7 +736,7 @@ parse_args(const char **cpp, int *pflag, int *lflag, cmdnum = I_SHELL; } else if (cmdnum == -1) { error("Invalid command."); - return(-1); + return (-1); } /* Get arguments and parse flags */ @@ -803,6 +836,7 @@ parse_args(const char **cpp, int *pflag, int *lflag, case I_LPWD: case I_HELP: case I_VERSION: + case I_PROGRESS: break; default: fatal("Command not implemented"); @@ -813,10 +847,11 @@ parse_args(const char **cpp, int *pflag, int *lflag, } static int -parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd) +parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd, + int err_abort) { char *path1, *path2, *tmp; - int pflag, lflag, cmdnum, i; + int pflag, lflag, iflag, cmdnum, i; unsigned long n_arg; Attrib a, *aa; char path_buf[MAXPATHLEN]; @@ -824,14 +859,22 @@ parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd) glob_t g; path1 = path2 = NULL; - cmdnum = parse_args(&cmd, &pflag, &lflag, &n_arg, + cmdnum = parse_args(&cmd, &pflag, &lflag, &iflag, &n_arg, &path1, &path2); + if (iflag != 0) + err_abort = 0; + memset(&g, 0, sizeof(g)); /* Perform command */ switch (cmdnum) { + case 0: + /* Blank line */ + break; case -1: + /* Unrecognized command */ + err = -1; break; case I_GET: err = process_get(conn, path1, path2, *pwd, pflag); @@ -853,8 +896,9 @@ parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd) remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); for (i = 0; g.gl_pathv[i]; i++) { printf("Removing %s\n", g.gl_pathv[i]); - if (do_rm(conn, g.gl_pathv[i]) == -1) - err = -1; + err = do_rm(conn, g.gl_pathv[i]); + if (err != 0 && err_abort) + break; } break; case I_MKDIR: @@ -900,15 +944,14 @@ parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd) do_globbed_ls(conn, *pwd, *pwd, lflag); break; } - + /* Strip pwd off beginning of non-absolute paths */ tmp = NULL; if (*path1 != '/') tmp = *pwd; path1 = make_absolute(path1, *pwd); - - do_globbed_ls(conn, path1, tmp, lflag); + err = do_globbed_ls(conn, path1, tmp, lflag); break; case I_LCHDIR: if (chdir(path1) == -1) { @@ -942,62 +985,70 @@ parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd) remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); for (i = 0; g.gl_pathv[i]; i++) { printf("Changing mode on %s\n", g.gl_pathv[i]); - do_setstat(conn, g.gl_pathv[i], &a); + err = do_setstat(conn, g.gl_pathv[i], &a); + if (err != 0 && err_abort) + break; } break; case I_CHOWN: - path1 = make_absolute(path1, *pwd); - remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); - for (i = 0; g.gl_pathv[i]; i++) { - if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) - continue; - if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) { - error("Can't get current ownership of " - "remote file \"%s\"", g.gl_pathv[i]); - continue; - } - printf("Changing owner on %s\n", g.gl_pathv[i]); - aa->flags &= SSH2_FILEXFER_ATTR_UIDGID; - aa->uid = n_arg; - do_setstat(conn, g.gl_pathv[i], aa); - } - break; case I_CHGRP: path1 = make_absolute(path1, *pwd); remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g); for (i = 0; g.gl_pathv[i]; i++) { - if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) - continue; + if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) { + if (err != 0 && err_abort) + break; + else + continue; + } if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) { error("Can't get current ownership of " "remote file \"%s\"", g.gl_pathv[i]); - continue; + if (err != 0 && err_abort) + break; + else + continue; } - printf("Changing group on %s\n", g.gl_pathv[i]); aa->flags &= SSH2_FILEXFER_ATTR_UIDGID; - aa->gid = n_arg; - do_setstat(conn, g.gl_pathv[i], aa); + if (cmdnum == I_CHOWN) { + printf("Changing owner on %s\n", g.gl_pathv[i]); + aa->uid = n_arg; + } else { + printf("Changing group on %s\n", g.gl_pathv[i]); + aa->gid = n_arg; + } + err = do_setstat(conn, g.gl_pathv[i], aa); + if (err != 0 && err_abort) + break; } break; case I_PWD: printf("Remote working directory: %s\n", *pwd); break; case I_LPWD: - if (!getcwd(path_buf, sizeof(path_buf))) - error("Couldn't get local cwd: %s", - strerror(errno)); - else - printf("Local working directory: %s\n", - path_buf); + if (!getcwd(path_buf, sizeof(path_buf))) { + error("Couldn't get local cwd: %s", strerror(errno)); + err = -1; + break; + } + printf("Local working directory: %s\n", path_buf); break; case I_QUIT: - return(-1); + /* Processed below */ + break; case I_HELP: help(); break; case I_VERSION: printf("SFTP protocol version %u\n", sftp_proto_version(conn)); break; + case I_PROGRESS: + showprogress = !showprogress; + if (showprogress) + printf("Progress meter enabled\n"); + else + printf("Progress meter disabled\n"); + break; default: fatal("%d is not implemented", cmdnum); } @@ -1009,20 +1060,23 @@ parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd) if (path2) xfree(path2); - /* If an error occurs in batch mode we should abort. */ - if (infile != stdin && err > 0) - return -1; + /* If an unignored error occurs in batch mode we should abort. */ + if (err_abort && err != 0) + return (-1); + else if (cmdnum == I_QUIT) + return (1); - return(0); + return (0); } -void +int interactive_loop(int fd_in, int fd_out, char *file1, char *file2) { char *pwd; char *dir = NULL; char cmd[2048]; struct sftp_conn *conn; + int err; conn = do_init(fd_in, fd_out, copy_buffer_len, num_requests); if (conn == NULL) @@ -1039,7 +1093,8 @@ interactive_loop(int fd_in, int fd_out, char *file1, char *file2) if (remote_is_dir(conn, dir) && file2 == NULL) { printf("Changing to: %s\n", dir); snprintf(cmd, sizeof cmd, "cd \"%s\"", dir); - parse_dispatch_command(conn, cmd, &pwd); + if (parse_dispatch_command(conn, cmd, &pwd, 1) != 0) + return (-1); } else { if (file2 == NULL) snprintf(cmd, sizeof cmd, "get %s", dir); @@ -1047,12 +1102,14 @@ interactive_loop(int fd_in, int fd_out, char *file1, char *file2) snprintf(cmd, sizeof cmd, "get %s %s", dir, file2); - parse_dispatch_command(conn, cmd, &pwd); + err = parse_dispatch_command(conn, cmd, &pwd, 1); xfree(dir); - return; + xfree(pwd); + return (err); } xfree(dir); } + #if HAVE_SETVBUF setvbuf(stdout, NULL, _IOLBF, 0); setvbuf(infile, NULL, _IOLBF, 0); @@ -1061,6 +1118,7 @@ interactive_loop(int fd_in, int fd_out, char *file1, char *file2) setlinebuf(infile); #endif + err = 0; for (;;) { char *cp; @@ -1077,8 +1135,13 @@ interactive_loop(int fd_in, int fd_out, char *file1, char *file2) if (cp) *cp = '\0'; - if (parse_dispatch_command(conn, cmd, &pwd)) + err = parse_dispatch_command(conn, cmd, &pwd, infile != stdin); + if (err != 0) break; } xfree(pwd); + + /* err == 1 signifies normal "quit" exit */ + return (err >= 0 ? 0 : -1); } + diff --git a/crypto/openssh/sftp-int.h b/crypto/openssh/sftp-int.h index 9768758..8a04a03 100644 --- a/crypto/openssh/sftp-int.h +++ b/crypto/openssh/sftp-int.h @@ -1,4 +1,4 @@ -/* $OpenBSD: sftp-int.h,v 1.5 2002/02/13 00:59:23 djm Exp $ */ +/* $OpenBSD: sftp-int.h,v 1.6 2003/01/08 23:53:26 djm Exp $ */ /* * Copyright (c) 2001,2002 Damien Miller. All rights reserved. @@ -24,4 +24,4 @@ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ -void interactive_loop(int, int, char *, char *); +int interactive_loop(int, int, char *, char *); diff --git a/crypto/openssh/sftp-server.c b/crypto/openssh/sftp-server.c index 8426469..9a66b4d 100644 --- a/crypto/openssh/sftp-server.c +++ b/crypto/openssh/sftp-server.c @@ -22,7 +22,7 @@ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "includes.h" -RCSID("$OpenBSD: sftp-server.c,v 1.38 2002/09/11 22:41:50 djm Exp $"); +RCSID("$OpenBSD: sftp-server.c,v 1.41 2003/03/26 04:02:51 deraadt Exp $"); #include "buffer.h" #include "bufaux.h" @@ -158,7 +158,7 @@ handle_new(int use, char *name, int fd, DIR *dirp) handles[i].use = use; handles[i].dirp = dirp; handles[i].fd = fd; - handles[i].name = name; + handles[i].name = xstrdup(name); return i; } } @@ -230,9 +230,11 @@ handle_close(int handle) if (handle_is_ok(handle, HANDLE_FILE)) { ret = close(handles[handle].fd); handles[handle].use = HANDLE_UNUSED; + xfree(handles[handle].name); } else if (handle_is_ok(handle, HANDLE_DIR)) { ret = closedir(handles[handle].dirp); handles[handle].use = HANDLE_UNUSED; + xfree(handles[handle].name); } else { errno = ENOENT; } @@ -396,7 +398,7 @@ process_open(void) if (fd < 0) { status = errno_to_portable(errno); } else { - handle = handle_new(HANDLE_FILE, xstrdup(name), fd, NULL); + handle = handle_new(HANDLE_FILE, name, fd, NULL); if (handle < 0) { close(fd); } else { @@ -681,7 +683,7 @@ process_opendir(void) if (dirp == NULL) { status = errno_to_portable(errno); } else { - handle = handle_new(HANDLE_DIR, xstrdup(path), 0, dirp); + handle = handle_new(HANDLE_DIR, path, 0, dirp); if (handle < 0) { closedir(dirp); } else { @@ -832,18 +834,32 @@ static void process_rename(void) { u_int32_t id; - struct stat st; char *oldpath, *newpath; - int ret, status = SSH2_FX_FAILURE; + int status; + struct stat sb; id = get_int(); oldpath = get_string(NULL); newpath = get_string(NULL); TRACE("rename id %u old %s new %s", id, oldpath, newpath); - /* fail if 'newpath' exists */ - if (stat(newpath, &st) == -1) { - ret = rename(oldpath, newpath); - status = (ret == -1) ? errno_to_portable(errno) : SSH2_FX_OK; + status = SSH2_FX_FAILURE; + if (lstat(oldpath, &sb) == -1) + status = errno_to_portable(errno); + else if (S_ISREG(sb.st_mode)) { + /* Race-free rename of regular files */ + if (link(oldpath, newpath) == -1) + status = errno_to_portable(errno); + else if (unlink(oldpath) == -1) { + status = errno_to_portable(errno); + /* clean spare link */ + unlink(newpath); + } else + status = SSH2_FX_OK; + } else if (stat(newpath, &sb) == -1) { + if (rename(oldpath, newpath) == -1) + status = errno_to_portable(errno); + else + status = SSH2_FX_OK; } send_status(id, status); xfree(oldpath); @@ -878,19 +894,16 @@ static void process_symlink(void) { u_int32_t id; - struct stat st; char *oldpath, *newpath; - int ret, status = SSH2_FX_FAILURE; + int ret, status; id = get_int(); oldpath = get_string(NULL); newpath = get_string(NULL); TRACE("symlink id %u old %s new %s", id, oldpath, newpath); - /* fail if 'newpath' exists */ - if (stat(newpath, &st) == -1) { - ret = symlink(oldpath, newpath); - status = (ret == -1) ? errno_to_portable(errno) : SSH2_FX_OK; - } + /* this will fail if 'newpath' exists */ + ret = symlink(oldpath, newpath); + status = (ret == -1) ? errno_to_portable(errno) : SSH2_FX_OK; send_status(id, status); xfree(oldpath); xfree(newpath); diff --git a/crypto/openssh/sftp.1 b/crypto/openssh/sftp.1 index 33ceb65..02d2c27 100644 --- a/crypto/openssh/sftp.1 +++ b/crypto/openssh/sftp.1 @@ -1,4 +1,4 @@ -.\" $OpenBSD: sftp.1,v 1.36 2002/09/11 22:41:50 djm Exp $ +.\" $OpenBSD: sftp.1,v 1.41 2003/03/28 10:11:43 jmc Exp $ .\" .\" Copyright (c) 2001 Damien Miller. All rights reserved. .\" @@ -30,6 +30,7 @@ .Nd Secure file transfer program .Sh SYNOPSIS .Nm sftp +.Bk -words .Op Fl vC1 .Op Fl b Ar batchfile .Op Fl o Ar ssh_option @@ -40,10 +41,15 @@ .Op Fl R Ar num_requests .Op Fl S Ar program .Ar host +.Ek .Nm sftp -.Op [\fIuser\fR@]\fIhost\fR[:\fIfile\fR [\fIfile\fR]] +.Oo Oo Ar user Ns No @ Oc Ns +.Ar host Ns Oo : Ns Ar file Oo +.Ar file Oc Oc Oc .Nm sftp -.Op [\fIuser\fR@]\fIhost\fR[:\fIdir\fR[\fI/\fR]] +.Oo Oo Ar user Ns No @ Oc Ns +.Ar host Ns Oo : Ns Ar dir Ns +.Oo Ar / Oc Oc Oc .Sh DESCRIPTION .Nm is an interactive file transfer program, similar to @@ -77,9 +83,16 @@ non-interactive authentication. will abort if any of the following commands fail: .Ic get , put , rename , ln , -.Ic rm , mkdir , chdir , lchdir +.Ic rm , mkdir , chdir , ls , +.Ic lchdir , chmod , chown , chgrp , lpwd and .Ic lmkdir . +Termination on error can be suppressed on a command by command basis by +prefixing the command with a +.Ic '-' +character (For example, +.Ic -rm /tmp/blah* +). .It Fl o Ar ssh_option Can be used to pass options to .Nm ssh @@ -88,19 +101,19 @@ in the format used in This is useful for specifying options for which there is no separate .Nm sftp -command-line flag. For example, to specify an alternate +command-line flag. For example, to specify an alternate port use: .Ic sftp -oPort=24 . .It Fl s Ar subsystem | sftp_server Specifies the SSH2 subsystem or the path for an sftp server -on the remote host. A path is useful for using sftp over +on the remote host. A path is useful for using sftp over protocol version 1, or when the remote .Nm sshd does not have an sftp subsystem configured. .It Fl v Raise logging level. This option is also passed to ssh. .It Fl B Ar buffer_size -Specify the size of the buffer that +Specify the size of the buffer that .Nm uses when transferring files. Larger buffers require fewer round trips at the cost of higher memory consumption. The default is 32768 bytes. @@ -221,10 +234,12 @@ Set local umask to .It Ic mkdir Ar path Create remote directory specified by .Ar path . +.It Ic progress +Toggle display of progress meter. .It Xo Ic put .Op Ar flags .Ar local-path -.Op Ar local-path +.Op Ar remote-path .Xc Upload .Ar local-path @@ -253,6 +268,10 @@ Create a symbolic link from .Ar oldpath to .Ar newpath . +.It Ic version +Display the +.Nm +protocol version. .It Ic ! Ar command Execute .Ar command diff --git a/crypto/openssh/sftp.c b/crypto/openssh/sftp.c index c4055b9..e8adcba 100644 --- a/crypto/openssh/sftp.c +++ b/crypto/openssh/sftp.c @@ -24,7 +24,7 @@ #include "includes.h" -RCSID("$OpenBSD: sftp.c,v 1.31 2002/07/25 01:16:59 mouring Exp $"); +RCSID("$OpenBSD: sftp.c,v 1.34 2003/01/10 08:19:07 fgsch Exp $"); /* XXX: short-form remote directory listings (like 'ls -C') */ @@ -49,6 +49,8 @@ FILE* infile; size_t copy_buffer_len = 32768; size_t num_requests = 16; +extern int showprogress; + static void connect_to_server(char *path, char **args, int *in, int *out, pid_t *sshpid) { @@ -108,7 +110,7 @@ usage(void) int main(int argc, char **argv) { - int in, out, ch; + int in, out, ch, err; pid_t sshpid; char *host, *userhost, *cp, *file2; int debug_level = 0, sshver = 2; @@ -162,6 +164,7 @@ main(int argc, char **argv) fatal("%s (%s).", strerror(errno), optarg); } else fatal("Filename already specified."); + showprogress = 0; break; case 'P': sftp_direct = optarg; @@ -197,7 +200,7 @@ main(int argc, char **argv) file1 = cp; } - if ((host = strchr(userhost, '@')) == NULL) + if ((host = strrchr(userhost, '@')) == NULL) host = userhost; else { *host++ = '\0'; @@ -237,7 +240,7 @@ main(int argc, char **argv) &sshpid); } - interactive_loop(in, out, file1, file2); + err = interactive_loop(in, out, file1, file2); #if !defined(USE_PIPES) shutdown(in, SHUT_RDWR); @@ -254,5 +257,5 @@ main(int argc, char **argv) fatal("Couldn't wait for ssh process: %s", strerror(errno)); - exit(0); + exit(err == 0 ? 0 : 1); } diff --git a/crypto/openssh/ssh-add.1 b/crypto/openssh/ssh-add.1 index 2a34a51..bcdb8e7 100644 --- a/crypto/openssh/ssh-add.1 +++ b/crypto/openssh/ssh-add.1 @@ -1,4 +1,4 @@ -.\" $OpenBSD: ssh-add.1,v 1.35 2002/06/19 00:27:55 deraadt Exp $ +.\" $OpenBSD: ssh-add.1,v 1.38 2003/03/28 10:11:43 jmc Exp $ .\" .\" -*- nroff -*- .\" @@ -45,7 +45,7 @@ .Nd adds RSA or DSA identities to the authentication agent .Sh SYNOPSIS .Nm ssh-add -.Op Fl lLdDxX +.Op Fl lLdDxXc .Op Fl t Ar life .Op Ar .Nm ssh-add @@ -92,7 +92,16 @@ Unlock the agent. Set a maximum lifetime when adding identities to an agent. The lifetime may be specified in seconds or in a time format specified in -.Xr sshd 8 . +.Xr sshd_config 5 . +.It Fl c +Indicates that added identities should be subject to confirmation before +being used for authentication. +Confirmation is performed by the +.Ev SSH_ASKPASS +program mentioned below. +Successful confirmation is signaled by a zero exit status from the +.Ev SSH_ASKPASS +program, rather than text entered into the requester. .It Fl s Ar reader Add key in smartcard .Ar reader . diff --git a/crypto/openssh/ssh-add.c b/crypto/openssh/ssh-add.c index 9c72975..9adec30 100644 --- a/crypto/openssh/ssh-add.c +++ b/crypto/openssh/ssh-add.c @@ -35,7 +35,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: ssh-add.c,v 1.63 2002/09/19 15:51:23 markus Exp $"); +RCSID("$OpenBSD: ssh-add.c,v 1.66 2003/03/05 22:33:43 markus Exp $"); #include <openssl/evp.h> @@ -70,6 +70,9 @@ static char *default_files[] = { /* Default lifetime (0 == forever) */ static int lifetime = 0; +/* User has to confirm key use */ +static int confirm = 0; + /* we keep a cache of one passphrases */ static char *pass = NULL; static void @@ -165,12 +168,16 @@ add_file(AuthenticationConnection *ac, const char *filename) } } - if (ssh_add_identity_constrained(ac, private, comment, lifetime)) { + if (ssh_add_identity_constrained(ac, private, comment, lifetime, + confirm)) { fprintf(stderr, "Identity added: %s (%s)\n", filename, comment); ret = 0; if (lifetime != 0) - fprintf(stderr, + fprintf(stderr, "Lifetime set to %d seconds\n", lifetime); + if (confirm != 0) + fprintf(stderr, + "The user has to confirm each use of the key\n"); } else if (ssh_add_identity(ac, private, comment)) { fprintf(stderr, "Identity added: %s (%s)\n", filename, comment); ret = 0; @@ -188,6 +195,7 @@ static int update_card(AuthenticationConnection *ac, int add, const char *id) { char *pin; + int ret = -1; pin = read_passphrase("Enter passphrase for smartcard: ", RP_ALLOW_STDIN); if (pin == NULL) @@ -196,12 +204,14 @@ update_card(AuthenticationConnection *ac, int add, const char *id) if (ssh_update_card(ac, add, id, pin)) { fprintf(stderr, "Card %s: %s\n", add ? "added" : "removed", id); - return 0; + ret = 0; } else { fprintf(stderr, "Could not %s card: %s\n", add ? "add" : "remove", id); - return -1; + ret = -1; } + xfree(pin); + return ret; } static int @@ -292,6 +302,7 @@ usage(void) fprintf(stderr, " -x Lock agent.\n"); fprintf(stderr, " -X Unlock agent.\n"); fprintf(stderr, " -t life Set lifetime (in seconds) when adding identities.\n"); + fprintf(stderr, " -c Require confirmation to sign using identities\n"); #ifdef SMARTCARD fprintf(stderr, " -s reader Add key in smartcard reader.\n"); fprintf(stderr, " -e reader Remove key in smartcard reader.\n"); @@ -319,7 +330,7 @@ main(int argc, char **argv) fprintf(stderr, "Could not open a connection to your authentication agent.\n"); exit(2); } - while ((ch = getopt(argc, argv, "lLdDxXe:s:t:")) != -1) { + while ((ch = getopt(argc, argv, "lLcdDxXe:s:t:")) != -1) { switch (ch) { case 'l': case 'L': @@ -333,6 +344,9 @@ main(int argc, char **argv) ret = 1; goto done; break; + case 'c': + confirm = 1; + break; case 'd': deleting = 1; break; diff --git a/crypto/openssh/ssh-agent.1 b/crypto/openssh/ssh-agent.1 index 0227436..fde4608 100644 --- a/crypto/openssh/ssh-agent.1 +++ b/crypto/openssh/ssh-agent.1 @@ -1,4 +1,4 @@ -.\" $OpenBSD: ssh-agent.1,v 1.35 2002/06/24 13:12:23 markus Exp $ +.\" $OpenBSD: ssh-agent.1,v 1.37 2003/03/28 10:11:43 jmc Exp $ .\" .\" Author: Tatu Ylonen <ylo@cs.hut.fi> .\" Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland @@ -44,6 +44,7 @@ .Nm ssh-agent .Op Fl a Ar bind_address .Op Fl c Li | Fl s +.Op Fl t Ar life .Op Fl d .Op Ar command Op Ar args ... .Nm ssh-agent @@ -86,8 +87,17 @@ does not look like it's a csh style of shell. Kill the current agent (given by the .Ev SSH_AGENT_PID environment variable). +.It Fl t Ar life +Set a default value for the maximum lifetime of identities added to the agent. +The lifetime may be specified in seconds or in a time format specified in +.Xr sshd 8 . +A lifetime specified for an identity with +.Xr ssh-add 1 +overrides this value. +Without this option the default maximum lifetime is forever. .It Fl d -Debug mode. When this option is specified +Debug mode. +When this option is specified .Nm will not fork. .El diff --git a/crypto/openssh/ssh-agent.c b/crypto/openssh/ssh-agent.c index cca720e..eb593de 100644 --- a/crypto/openssh/ssh-agent.c +++ b/crypto/openssh/ssh-agent.c @@ -35,7 +35,7 @@ #include "includes.h" #include "openbsd-compat/sys-queue.h" -RCSID("$OpenBSD: ssh-agent.c,v 1.105 2002/10/01 20:34:12 markus Exp $"); +RCSID("$OpenBSD: ssh-agent.c,v 1.108 2003/03/13 11:44:50 markus Exp $"); #include <openssl/evp.h> #include <openssl/md5.h> @@ -50,6 +50,8 @@ RCSID("$OpenBSD: ssh-agent.c,v 1.105 2002/10/01 20:34:12 markus Exp $"); #include "authfd.h" #include "compat.h" #include "log.h" +#include "readpass.h" +#include "misc.h" #ifdef SMARTCARD #include "scard.h" @@ -77,6 +79,7 @@ typedef struct identity { Key *key; char *comment; u_int death; + u_int confirm; } Identity; typedef struct { @@ -106,6 +109,9 @@ extern char *__progname; char *__progname; #endif +/* Default lifetime (0 == forever) */ +static int lifetime = 0; + static void close_socket(SocketEntry *e) { @@ -159,6 +165,30 @@ lookup_identity(Key *key, int version) return (NULL); } +/* Check confirmation of keysign request */ +static int +confirm_key(Identity *id) +{ + char *p, prompt[1024]; + int ret = -1; + + p = key_fingerprint(id->key, SSH_FP_MD5, SSH_FP_HEX); + snprintf(prompt, sizeof(prompt), "Allow use of key %s?\n" + "Key fingerprint %s.", id->comment, p); + xfree(p); + p = read_passphrase(prompt, RP_ALLOW_EOF); + if (p != NULL) { + /* + * Accept empty responses and responses consisting + * of the word "yes" as affirmative. + */ + if (*p == '\0' || *p == '\n' || strcasecmp(p, "yes") == 0) + ret = 0; + xfree(p); + } + return (ret); +} + /* send list of supported public keys to 'client' */ static void process_request_identities(SocketEntry *e, int version) @@ -222,7 +252,7 @@ process_authentication_challenge1(SocketEntry *e) goto failure; id = lookup_identity(key, 1); - if (id != NULL) { + if (id != NULL && (!id->confirm || confirm_key(id) == 0)) { Key *private = id->key; /* Decrypt the challenge using the private key. */ if (rsa_private_decrypt(challenge, challenge, private->rsa) <= 0) @@ -282,7 +312,7 @@ process_sign_request2(SocketEntry *e) key = key_from_blob(blob, blen); if (key != NULL) { Identity *id = lookup_identity(key, 2); - if (id != NULL) + if (id != NULL && (!id->confirm || confirm_key(id) == 0)) ok = key_sign(id->key, &signature, &slen, data, dlen); } key_free(key); @@ -402,7 +432,7 @@ static void process_add_identity(SocketEntry *e, int version) { Idtab *tab = idtab_lookup(version); - int type, success = 0, death = 0; + int type, success = 0, death = 0, confirm = 0; char *type_name, *comment; Key *k = NULL; @@ -453,6 +483,17 @@ process_add_identity(SocketEntry *e, int version) } break; } + /* enable blinding */ + switch (k->type) { + case KEY_RSA: + case KEY_RSA1: + if (RSA_blinding_on(k->rsa, NULL) != 1) { + error("process_add_identity: RSA_blinding_on failed"); + key_free(k); + goto send; + } + break; + } comment = buffer_get_string(&e->request, NULL); if (k == NULL) { xfree(comment); @@ -464,15 +505,21 @@ process_add_identity(SocketEntry *e, int version) case SSH_AGENT_CONSTRAIN_LIFETIME: death = time(NULL) + buffer_get_int(&e->request); break; + case SSH_AGENT_CONSTRAIN_CONFIRM: + confirm = 1; + break; default: break; } } + if (lifetime && !death) + death = time(NULL) + lifetime; if (lookup_identity(k, version) == NULL) { Identity *id = xmalloc(sizeof(Identity)); id->key = k; id->comment = comment; id->death = death; + id->confirm = confirm; TAILQ_INSERT_TAIL(&tab->idlist, id, next); /* Increment the number of identities. */ tab->nentries++; @@ -557,6 +604,7 @@ process_add_smartcard_key (SocketEntry *e) id->key = k; id->comment = xstrdup("smartcard key"); id->death = 0; + id->confirm = 0; TAILQ_INSERT_TAIL(&tab->idlist, id, next); tab->nentries++; success = 1; @@ -930,13 +978,15 @@ usage(void) fprintf(stderr, " -k Kill the current agent.\n"); fprintf(stderr, " -d Debug mode.\n"); fprintf(stderr, " -a socket Bind agent socket to given name.\n"); + fprintf(stderr, " -t life Default identity lifetime (seconds).\n"); exit(1); } int main(int ac, char **av) { - int sock, c_flag = 0, d_flag = 0, k_flag = 0, s_flag = 0, ch, nalloc; + int c_flag = 0, d_flag = 0, k_flag = 0, s_flag = 0; + int sock, fd, ch, nalloc; char *shell, *format, *pidstr, *agentsocket = NULL; fd_set *readsetp = NULL, *writesetp = NULL; struct sockaddr_un sunaddr; @@ -961,7 +1011,7 @@ main(int ac, char **av) init_rng(); seed_rng(); - while ((ch = getopt(ac, av, "cdksa:")) != -1) { + while ((ch = getopt(ac, av, "cdksa:t:")) != -1) { switch (ch) { case 'c': if (s_flag) @@ -984,6 +1034,12 @@ main(int ac, char **av) case 'a': agentsocket = optarg; break; + case 't': + if ((lifetime = convtime(optarg)) == -1) { + fprintf(stderr, "Invalid lifetime\n"); + usage(); + } + break; default: usage(); } @@ -1116,9 +1172,14 @@ main(int ac, char **av) } (void)chdir("/"); - close(0); - close(1); - close(2); + if ((fd = open(_PATH_DEVNULL, O_RDWR, 0)) != -1) { + /* XXX might close listen socket */ + (void)dup2(fd, STDIN_FILENO); + (void)dup2(fd, STDOUT_FILENO); + (void)dup2(fd, STDERR_FILENO); + if (fd > 2) + close(fd); + } #ifdef HAVE_SETRLIMIT /* deny core dumps, since memory contains unencrypted private keys */ diff --git a/crypto/openssh/ssh-dss.c b/crypto/openssh/ssh-dss.c index 9ba2584..6cedcc4 100644 --- a/crypto/openssh/ssh-dss.c +++ b/crypto/openssh/ssh-dss.c @@ -23,7 +23,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: ssh-dss.c,v 1.17 2002/07/04 10:41:47 markus Exp $"); +RCSID("$OpenBSD: ssh-dss.c,v 1.18 2003/02/12 09:33:04 markus Exp $"); #include <openssl/bn.h> #include <openssl/evp.h> @@ -34,7 +34,6 @@ RCSID("$OpenBSD: ssh-dss.c,v 1.17 2002/07/04 10:41:47 markus Exp $"); #include "compat.h" #include "log.h" #include "key.h" -#include "ssh-dss.h" #define INTBLOB_LEN 20 #define SIGBLOB_LEN (2*INTBLOB_LEN) diff --git a/crypto/openssh/ssh-keygen.1 b/crypto/openssh/ssh-keygen.1 index 35b0bb9..000e8ff 100644 --- a/crypto/openssh/ssh-keygen.1 +++ b/crypto/openssh/ssh-keygen.1 @@ -1,4 +1,4 @@ -.\" $OpenBSD: ssh-keygen.1,v 1.54 2002/06/19 00:27:55 deraadt Exp $ +.\" $OpenBSD: ssh-keygen.1,v 1.56 2003/03/28 10:11:43 jmc Exp $ .\" .\" -*- nroff -*- .\" @@ -45,12 +45,14 @@ .Nd authentication key generation, management and conversion .Sh SYNOPSIS .Nm ssh-keygen +.Bk -words .Op Fl q .Op Fl b Ar bits .Fl t Ar type .Op Fl N Ar new_passphrase .Op Fl C Ar comment .Op Fl f Ar output_keyfile +.Ek .Nm ssh-keygen .Fl p .Op Fl P Ar old_passphrase @@ -147,8 +149,7 @@ The options are as follows: .It Fl b Ar bits Specifies the number of bits in the key to create. Minimum is 512 bits. -Generally 1024 bits is considered sufficient, and key sizes -above that no longer improve security but make things slower. +Generally, 1024 bits is considered sufficient. The default is 1024 bits. .It Fl c Requests changing the comment in the private and public key files. diff --git a/crypto/openssh/ssh-keygen.c b/crypto/openssh/ssh-keygen.c index 3478e37..6a872bc 100644 --- a/crypto/openssh/ssh-keygen.c +++ b/crypto/openssh/ssh-keygen.c @@ -12,7 +12,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: ssh-keygen.c,v 1.101 2002/06/23 09:39:55 deraadt Exp $"); +RCSID("$OpenBSD: ssh-keygen.c,v 1.102 2002/11/26 00:45:03 wcobb Exp $"); #include <openssl/evp.h> #include <openssl/pem.h> @@ -109,7 +109,6 @@ ask_filename(struct passwd *pw, const char *prompt) snprintf(identity_file, sizeof(identity_file), "%s/%s", pw->pw_dir, name); fprintf(stderr, "%s (%s): ", prompt, identity_file); - fflush(stderr); if (fgets(buf, sizeof(buf), stdin) == NULL) exit(1); if (strchr(buf, '\n')) diff --git a/crypto/openssh/ssh-keyscan.1 b/crypto/openssh/ssh-keyscan.1 index 2f33ddf..f6596c4 100644 --- a/crypto/openssh/ssh-keyscan.1 +++ b/crypto/openssh/ssh-keyscan.1 @@ -1,4 +1,4 @@ -.\" $OpenBSD: ssh-keyscan.1,v 1.14 2002/02/13 08:33:47 mpech Exp $ +.\" $OpenBSD: ssh-keyscan.1,v 1.15 2003/03/28 10:11:43 jmc Exp $ .\" .\" Copyright 1995, 1996 by David Mazieres <dm@lcs.mit.edu>. .\" @@ -14,6 +14,7 @@ .Nd gather ssh public keys .Sh SYNOPSIS .Nm ssh-keyscan +.Bk -words .Op Fl v46 .Op Fl p Ar port .Op Fl T Ar timeout @@ -21,10 +22,12 @@ .Op Fl f Ar file .Op Ar host | addrlist namelist .Op Ar ... +.Ek .Sh DESCRIPTION .Nm is a utility for gathering the public ssh host keys of a number of -hosts. It was designed to aid in building and verifying +hosts. +It was designed to aid in building and verifying .Pa ssh_known_hosts files. .Nm @@ -33,9 +36,11 @@ scripts. .Pp .Nm uses non-blocking socket I/O to contact as many hosts as possible in -parallel, so it is very efficient. The keys from a domain of 1,000 +parallel, so it is very efficient. +The keys from a domain of 1,000 hosts can be collected in tens of seconds, even when some of those -hosts are down or do not run ssh. For scanning, one does not need +hosts are down or do not run ssh. +For scanning, one does not need login access to the machines that are being scanned, nor does the scanning process involve any encryption. .Pp @@ -44,12 +49,13 @@ The options are as follows: .It Fl p Ar port Port to connect to on the remote host. .It Fl T Ar timeout -Set the timeout for connection attempts. If +Set the timeout for connection attempts. +If .Pa timeout seconds have elapsed since a connection was initiated to a host or since the last time anything was read from that host, then the connection is -closed and the host in question considered unavailable. Default is 5 -seconds. +closed and the host in question considered unavailable. +Default is 5 seconds. .It Fl t Ar type Specifies the type of the key to fetch from the scanned hosts. The possible values are diff --git a/crypto/openssh/ssh-keyscan.c b/crypto/openssh/ssh-keyscan.c index 8c14d6d..5b4eb82 100644 --- a/crypto/openssh/ssh-keyscan.c +++ b/crypto/openssh/ssh-keyscan.c @@ -7,7 +7,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: ssh-keyscan.c,v 1.40 2002/07/06 17:47:58 stevesk Exp $"); +RCSID("$OpenBSD: ssh-keyscan.c,v 1.41 2003/02/16 17:09:57 markus Exp $"); #include "openbsd-compat/sys-queue.h" @@ -354,6 +354,8 @@ keygrab_ssh2(con *c) myproposal[PROPOSAL_SERVER_HOST_KEY_ALGS] = c->c_keytype == KT_DSA? "ssh-dss": "ssh-rsa"; c->c_kex = kex_setup(myproposal); + c->c_kex->kex[KEX_DH_GRP1_SHA1] = kexdh_client; + c->c_kex->kex[KEX_DH_GEX_SHA1] = kexgex_client; c->c_kex->verify_host_key = hostjump; if (!(j = setjmp(kexjmp))) { diff --git a/crypto/openssh/ssh-keysign.8 b/crypto/openssh/ssh-keysign.8 index cea4a82..2e3f8ff 100644 --- a/crypto/openssh/ssh-keysign.8 +++ b/crypto/openssh/ssh-keysign.8 @@ -1,4 +1,4 @@ -.\" $OpenBSD: ssh-keysign.8,v 1.3 2002/07/03 14:21:05 markus Exp $ +.\" $OpenBSD: ssh-keysign.8,v 1.6 2003/03/28 10:11:43 jmc Exp $ .\" .\" Copyright (c) 2002 Markus Friedl. All rights reserved. .\" @@ -39,10 +39,10 @@ required during hostbased authentication with SSH protocol version 2. .Pp .Nm is disabled by default and can only be enabled in the -the global client configuration file +global client configuration file .Pa /etc/ssh/ssh_config by setting -.Cm HostbasedAuthentication +.Cm EnableSSHKeysign to .Dq yes . .Pp @@ -62,8 +62,8 @@ Controls whether is enabled. .It Pa /etc/ssh/ssh_host_dsa_key, /etc/ssh/ssh_host_rsa_key These files contain the private parts of the host keys used to -generate the digital signature. They -should be owned by root, readable only by root, and not +generate the digital signature. +They should be owned by root, readable only by root, and not accessible to others. Since they are readable only by root, .Nm diff --git a/crypto/openssh/ssh-keysign.c b/crypto/openssh/ssh-keysign.c index 79aee17..26c8faa 100644 --- a/crypto/openssh/ssh-keysign.c +++ b/crypto/openssh/ssh-keysign.c @@ -22,7 +22,7 @@ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "includes.h" -RCSID("$OpenBSD: ssh-keysign.c,v 1.7 2002/07/03 14:21:05 markus Exp $"); +RCSID("$OpenBSD: ssh-keysign.c,v 1.10 2003/03/13 11:42:19 markus Exp $"); #include <openssl/evp.h> #include <openssl/rand.h> @@ -168,8 +168,8 @@ main(int argc, char **argv) initialize_options(&options); (void)read_config_file(_PATH_HOST_CONFIG_FILE, "", &options); fill_default_options(&options); - if (options.hostbased_authentication != 1) - fatal("Hostbased authentication not enabled in %s", + if (options.enable_ssh_keysign != 1) + fatal("ssh-keysign not enabled in %s", _PATH_HOST_CONFIG_FILE); if (key_fd[0] == -1 && key_fd[1] == -1) @@ -192,13 +192,6 @@ main(int argc, char **argv) keys[i] = key_load_private_pem(key_fd[i], KEY_UNSPEC, NULL, NULL); close(key_fd[i]); - if (keys[i] != NULL && keys[i]->type == KEY_RSA) { - if (RSA_blinding_on(keys[i]->rsa, NULL) != 1) { - error("RSA_blinding_on failed"); - key_free(keys[i]); - keys[i] = NULL; - } - } if (keys[i] != NULL) found = 1; } diff --git a/crypto/openssh/ssh-rand-helper.c b/crypto/openssh/ssh-rand-helper.c index e6c52b5..68b77b2 100644 --- a/crypto/openssh/ssh-rand-helper.c +++ b/crypto/openssh/ssh-rand-helper.c @@ -39,7 +39,7 @@ #include "pathnames.h" #include "log.h" -RCSID("$Id: ssh-rand-helper.c,v 1.8 2002/07/28 20:42:24 stevesk Exp $"); +RCSID("$Id: ssh-rand-helper.c,v 1.10 2003/03/17 05:13:53 djm Exp $"); /* Number of bytes we write out */ #define OUTPUT_SEED_SIZE 48 @@ -355,6 +355,7 @@ hash_command_output(entropy_cmd_t *src, unsigned char *hash) case 0: /* timer expired */ error_abort = 1; + kill(pid, SIGINT); break; case 1: /* command input */ @@ -561,7 +562,8 @@ prng_write_seedfile(void) debug("writing PRNG seed to file %.100s", filename); - RAND_bytes(seed, sizeof(seed)); + if (RAND_bytes(seed, sizeof(seed)) <= 0) + fatal("PRNG seed extration failed"); /* Don't care if the seed doesn't exist */ prng_check_seedfile(filename); @@ -848,7 +850,8 @@ main(int argc, char **argv) if (!RAND_status()) fatal("Not enough entropy in RNG"); - RAND_bytes(buf, bytes); + if (RAND_bytes(buf, bytes) <= 0) + fatal("Couldn't extract entropy from PRNG"); if (output_hex) { for(ret = 0; ret < bytes; ret++) diff --git a/crypto/openssh/ssh-rsa.c b/crypto/openssh/ssh-rsa.c index d7b2918..efbc9e6 100644 --- a/crypto/openssh/ssh-rsa.c +++ b/crypto/openssh/ssh-rsa.c @@ -23,7 +23,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: ssh-rsa.c,v 1.26 2002/08/27 17:13:56 stevesk Exp $"); +RCSID("$OpenBSD: ssh-rsa.c,v 1.28 2003/02/12 09:33:04 markus Exp $"); #include <openssl/evp.h> #include <openssl/err.h> @@ -33,11 +33,10 @@ RCSID("$OpenBSD: ssh-rsa.c,v 1.26 2002/08/27 17:13:56 stevesk Exp $"); #include "buffer.h" #include "bufaux.h" #include "key.h" -#include "ssh-rsa.h" #include "compat.h" #include "ssh.h" -static int openssh_RSA_verify(int, u_char *, u_int, u_char *, u_int , RSA *); +static int openssh_RSA_verify(int, u_char *, u_int, u_char *, u_int, RSA *); /* RSASSA-PKCS1-v1_5 (PKCS #1 v2.0 signature) with SHA1 */ int diff --git a/crypto/openssh/ssh.1 b/crypto/openssh/ssh.1 index 27808b1..fd822bb 100644 --- a/crypto/openssh/ssh.1 +++ b/crypto/openssh/ssh.1 @@ -34,7 +34,7 @@ .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" -.\" $OpenBSD: ssh.1,v 1.167 2002/09/27 15:46:21 stevesk Exp $ +.\" $OpenBSD: ssh.1,v 1.168 2003/03/28 10:11:43 jmc Exp $ .Dd September 25, 1999 .Dt SSH 1 .Os @@ -48,6 +48,7 @@ .Op Ar command .Pp .Nm ssh +.Bk -words .Op Fl afgknqstvxACNTX1246 .Op Fl b Ar bind_address .Op Fl c Ar cipher_spec @@ -66,6 +67,8 @@ .Sm on .Xc .Oc +.Ek +.Bk -words .Oo Fl R Xo .Sm off .Ar port : @@ -77,6 +80,7 @@ .Op Fl D Ar port .Ar hostname | user@hostname .Op Ar command +.Ek .Sh DESCRIPTION .Nm (SSH client) is a program for logging into a remote machine and for @@ -361,7 +365,7 @@ variable is set to .Fl A and .Fl a -options described later) and +options described later) and the user is using an authentication agent, the connection to the agent is automatically forwarded to the remote side. .Pp @@ -403,10 +407,11 @@ Disables forwarding of the authentication agent connection. Enables forwarding of the authentication agent connection. This can also be specified on a per-host basis in a configuration file. .Pp -Agent forwarding should be enabled with caution. Users with the -ability to bypass file permissions on the remote host (for the agent's -Unix-domain socket) can access the local agent through the forwarded -connection. An attacker cannot obtain key material from the agent, +Agent forwarding should be enabled with caution. +Users with the ability to bypass file permissions on the remote host +(for the agent's Unix-domain socket) +can access the local agent through the forwarded connection. +An attacker cannot obtain key material from the agent, however they can perform operations on the keys that enable them to authenticate using the identities loaded into the agent. .It Fl b Ar bind_address @@ -428,8 +433,8 @@ is only supported in the client for interoperability with legacy protocol 1 implementations that do not support the .Ar 3des -cipher. Its use is strongly discouraged due to cryptographic -weaknesses. +cipher. +Its use is strongly discouraged due to cryptographic weaknesses. .It Fl c Ar cipher_spec Additionally, for protocol version 2 a comma-separated list of ciphers can be specified in order of preference. @@ -566,11 +571,11 @@ Disables X11 forwarding. Enables X11 forwarding. This can also be specified on a per-host basis in a configuration file. .Pp -X11 forwarding should be enabled with caution. Users with the ability -to bypass file permissions on the remote host (for the user's X -authorization database) can access the local X11 display through the -forwarded connection. An attacker may then be able to perform -activities such as keystroke monitoring. +X11 forwarding should be enabled with caution. +Users with the ability to bypass file permissions on the remote host +(for the user's X authorization database) +can access the local X11 display through the forwarded connection. +An attacker may then be able to perform activities such as keystroke monitoring. .It Fl C Requests compression of all data (including stdin, stdout, stderr, and data for forwarded X11 and TCP/IP connections). @@ -637,7 +642,8 @@ This works by allocating a socket to listen to on the local side, and whenever a connection is made to this port, the connection is forwarded over the secure channel, and the application protocol is then used to determine where to connect to from the -remote machine. Currently the SOCKS4 protocol is supported, and +remote machine. +Currently the SOCKS4 protocol is supported, and .Nm will act as a SOCKS4 server. Only root can forward privileged ports. diff --git a/crypto/openssh/ssh.c b/crypto/openssh/ssh.c index 2c589de..7206043 100644 --- a/crypto/openssh/ssh.c +++ b/crypto/openssh/ssh.c @@ -40,7 +40,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: ssh.c,v 1.186 2002/09/19 01:58:18 djm Exp $"); +RCSID("$OpenBSD: ssh.c,v 1.190 2003/02/06 09:27:29 markus Exp $"); #include <openssl/evp.h> #include <openssl/err.h> @@ -495,9 +495,9 @@ again: av += optind; if (ac > 0 && !host && **av != '-') { - if (strchr(*av, '@')) { + if (strrchr(*av, '@')) { p = xstrdup(*av); - cp = strchr(p, '@'); + cp = strrchr(p, '@'); if (cp == NULL || cp == p) usage(); options.user = p; @@ -505,12 +505,11 @@ again: host = ++cp; } else host = *av; - ac--, av++; - if (ac > 0) { - optind = 0; - optreset = 1; + if (ac > 1) { + optind = optreset = 1; goto again; } + ac--, av++; } /* Check that we got a host name. */ @@ -602,6 +601,10 @@ again: if (options.hostname != NULL) host = options.hostname; + if (options.proxy_command != NULL && + strcmp(options.proxy_command, "none") == 0) + options.proxy_command = NULL; + /* Disable rhosts authentication if not running as root. */ #ifdef HAVE_CYGWIN /* Ignore uid if running under Windows */ @@ -1026,7 +1029,7 @@ ssh_session2_setup(int id, void *arg) int interactive = 0; struct termios tio; - debug("ssh_session2_setup: id %d", id); + debug2("ssh_session2_setup: id %d", id); if (tty_flag) { struct winsize ws; diff --git a/crypto/openssh/ssh_config.5 b/crypto/openssh/ssh_config.5 index ac05a0c..44208b4 100644 --- a/crypto/openssh/ssh_config.5 +++ b/crypto/openssh/ssh_config.5 @@ -34,7 +34,7 @@ .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" -.\" $OpenBSD: ssh_config.5,v 1.5 2002/08/29 22:54:10 stevesk Exp $ +.\" $OpenBSD: ssh_config.5,v 1.7 2003/03/28 10:11:43 jmc Exp $ .Dd September 25, 1999 .Dt SSH_CONFIG 5 .Os @@ -176,8 +176,8 @@ is only supported in the client for interoperability with legacy protocol 1 implementations that do not support the .Ar 3des -cipher. Its use is strongly discouraged due to cryptographic -weaknesses. +cipher. +Its use is strongly discouraged due to cryptographic weaknesses. The default is .Dq 3des . .It Cm Ciphers @@ -193,7 +193,8 @@ The default is .It Cm ClearAllForwardings Specifies that all local, remote and dynamic port forwardings specified in the configuration files or on the command line be -cleared. This option is primarily useful when used from the +cleared. +This option is primarily useful when used from the .Nm ssh command line to clear port forwardings set in configuration files, and is automatically set by @@ -230,13 +231,14 @@ The default is 1. Specifies that a TCP/IP port on the local machine be forwarded over the secure channel, and the application protocol is then used to determine where to connect to from the -remote machine. The argument must be a port number. +remote machine. +The argument must be a port number. Currently the SOCKS4 protocol is supported, and .Nm ssh will act as a SOCKS4 server. Multiple forwardings may be specified, and -additional forwardings can be given on the command line. Only -the superuser can forward privileged ports. +additional forwardings can be given on the command line. +Only the superuser can forward privileged ports. .It Cm EscapeChar Sets the escape character (default: .Ql ~ ) . @@ -259,10 +261,11 @@ or The default is .Dq no . .Pp -Agent forwarding should be enabled with caution. Users with the -ability to bypass file permissions on the remote host (for the agent's -Unix-domain socket) can access the local agent through the forwarded -connection. An attacker cannot obtain key material from the agent, +Agent forwarding should be enabled with caution. +Users with the ability to bypass file permissions on the remote host +(for the agent's Unix-domain socket) +can access the local agent through the forwarded connection. +An attacker cannot obtain key material from the agent, however they can perform operations on the keys that enable them to authenticate using the identities loaded into the agent. .It Cm ForwardX11 @@ -277,18 +280,18 @@ or The default is .Dq no . .Pp -X11 forwarding should be enabled with caution. Users with the ability -to bypass file permissions on the remote host (for the user's X -authorization database) can access the local X11 display through the -forwarded connection. An attacker may then be able to perform -activities such as keystroke monitoring. +X11 forwarding should be enabled with caution. +Users with the ability to bypass file permissions on the remote host +(for the user's X authorization database) +can access the local X11 display through the forwarded connection. +An attacker may then be able to perform activities such as keystroke monitoring. .It Cm GatewayPorts Specifies whether remote hosts are allowed to connect to local forwarded ports. By default, .Nm ssh -binds local port forwardings to the loopback address. This -prevents other remote hosts from connecting to forwarded ports. +binds local port forwardings to the loopback address. +This prevents other remote hosts from connecting to forwarded ports. .Cm GatewayPorts can be used to specify that .Nm ssh @@ -395,8 +398,9 @@ Gives the verbosity level that is used when logging messages from .Nm ssh . The possible values are: QUIET, FATAL, ERROR, INFO, VERBOSE, DEBUG, DEBUG1, DEBUG2 and DEBUG3. -The default is INFO. DEBUG and DEBUG1 are equivalent. DEBUG2 -and DEBUG3 each specify higher levels of verbose output. +The default is INFO. +DEBUG and DEBUG1 are equivalent. +DEBUG2 and DEBUG3 each specify higher levels of verbose output. .It Cm MACs Specifies the MAC (message authentication code) algorithms in order of preference. @@ -474,6 +478,9 @@ somewhere. Host key management will be done using the HostName of the host being connected (defaulting to the name typed by the user). +Setting the command to +.Dq none +disables this option entirely. Note that .Cm CheckHostIP is not available for connects with a proxy command. diff --git a/crypto/openssh/sshconnect.c b/crypto/openssh/sshconnect.c index 776d720..dae2596 100644 --- a/crypto/openssh/sshconnect.c +++ b/crypto/openssh/sshconnect.c @@ -13,7 +13,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: sshconnect.c,v 1.135 2002/09/19 01:58:18 djm Exp $"); +RCSID("$OpenBSD: sshconnect.c,v 1.137 2002/11/21 23:03:51 deraadt Exp $"); #include <openssl/bn.h> @@ -247,7 +247,7 @@ ssh_connect(const char *host, struct sockaddr_storage * hostaddr, */ int full_failure = 1; - debug("ssh_connect: needpriv %d", needpriv); + debug2("ssh_connect: needpriv %d", needpriv); /* Get default port if port has not been set. */ if (port == 0) { @@ -649,10 +649,10 @@ check_host_key(char *host, struct sockaddr *hostaddr, Key *host_key, "%s key fingerprint is %s.\n" "Are you sure you want to continue connecting " "(yes/no)? ", - host, ip, - has_keys ? ",\nbut keys of different type are already " - "known for this host." : ".", - type, fp); + host, ip, + has_keys ? ",\nbut keys of different type are already " + "known for this host." : ".", + type, fp); xfree(fp); if (!confirm(msg)) goto fail; diff --git a/crypto/openssh/sshconnect2.c b/crypto/openssh/sshconnect2.c index 703d072..642b34b 100644 --- a/crypto/openssh/sshconnect2.c +++ b/crypto/openssh/sshconnect2.c @@ -23,7 +23,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: sshconnect2.c,v 1.107 2002/07/01 19:48:46 markus Exp $"); +RCSID("$OpenBSD: sshconnect2.c,v 1.114 2003/04/01 10:22:21 markus Exp $"); #include "ssh.h" #include "ssh2.h" @@ -110,6 +110,8 @@ ssh_kex2(char *host, struct sockaddr *hostaddr) /* start key exchange */ kex = kex_setup(myproposal); + kex->kex[KEX_DH_GRP1_SHA1] = kexdh_client; + kex->kex[KEX_DH_GEX_SHA1] = kexgex_client; kex->client_version_string=client_version_string; kex->server_version_string=server_version_string; kex->verify_host_key=&verify_host_key_callback; @@ -128,7 +130,6 @@ ssh_kex2(char *host, struct sockaddr *hostaddr) packet_send(); packet_write_wait(); #endif - debug("done: ssh_kex2."); } /* @@ -224,24 +225,23 @@ ssh_userauth2(const char *local_user, const char *server_user, char *host, if (options.challenge_response_authentication) options.kbd_interactive_authentication = 1; - debug("send SSH2_MSG_SERVICE_REQUEST"); packet_start(SSH2_MSG_SERVICE_REQUEST); packet_put_cstring("ssh-userauth"); packet_send(); + debug("SSH2_MSG_SERVICE_REQUEST sent"); packet_write_wait(); type = packet_read(); - if (type != SSH2_MSG_SERVICE_ACCEPT) { - fatal("denied SSH2_MSG_SERVICE_ACCEPT: %d", type); - } + if (type != SSH2_MSG_SERVICE_ACCEPT) + fatal("Server denied authentication request: %d", type); if (packet_remaining() > 0) { char *reply = packet_get_string(NULL); - debug("service_accept: %s", reply); + debug2("service_accept: %s", reply); xfree(reply); } else { - debug("buggy server: service_accept w/o service"); + debug2("buggy server: service_accept w/o service"); } packet_check_eom(); - debug("got SSH2_MSG_SERVICE_ACCEPT"); + debug("SSH2_MSG_SERVICE_ACCEPT received"); if (options.preferred_authentications == NULL) options.preferred_authentications = authmethods_get(); @@ -273,7 +273,7 @@ ssh_userauth2(const char *local_user, const char *server_user, char *host, if (authctxt.agent != NULL) ssh_close_authentication_connection(authctxt.agent); - debug("ssh-userauth2 successful: method %s", authctxt.method->name); + debug("Authentication succeeded (%s).", authctxt.method->name); } void userauth(Authctxt *authctxt, char *authlist) @@ -347,7 +347,7 @@ input_userauth_failure(int type, u_int32_t seq, void *ctxt) if (partial != 0) log("Authenticated with partial success."); - debug("authentications that can continue: %s", authlist); + debug("Authentications that can continue: %s", authlist); clear_auth_state(authctxt); userauth(authctxt, authlist); @@ -379,7 +379,7 @@ input_userauth_pk_ok(int type, u_int32_t seq, void *ctxt) } packet_check_eom(); - debug("input_userauth_pk_ok: pkalg %s blen %u lastkey %p hint %d", + debug("Server accepts key: pkalg %s blen %u lastkey %p hint %d", pkalg, blen, authctxt->last_key, authctxt->last_key_hint); do { @@ -764,7 +764,7 @@ userauth_pubkey_agent(Authctxt *authctxt) if (k == NULL) { debug2("userauth_pubkey_agent: no more keys"); } else { - debug("userauth_pubkey_agent: testing agent key %s", comment); + debug("Offering agent key: %s", comment); xfree(comment); ret = send_pubkey_test(authctxt, k, agent_sign_cb, -1); if (ret == 0) @@ -792,7 +792,7 @@ userauth_pubkey(Authctxt *authctxt) key = options.identity_keys[idx]; filename = options.identity_files[idx]; if (key == NULL) { - debug("try privkey: %s", filename); + debug("Trying private key: %s", filename); key = load_identity_file(filename); if (key != NULL) { sent = sign_and_send_pubkey(authctxt, key, @@ -800,7 +800,7 @@ userauth_pubkey(Authctxt *authctxt) key_free(key); } } else if (key->type != KEY_RSA1) { - debug("try pubkey: %s", filename); + debug("Offering public key: %s", filename); sent = send_pubkey_test(authctxt, key, identity_sign_cb, idx); } @@ -906,7 +906,7 @@ ssh_keysign(Key *key, u_char **sigp, u_int *lenp, pid_t pid; int to[2], from[2], status, version = 2; - debug("ssh_keysign called"); + debug2("ssh_keysign called"); if (stat(_PATH_SSH_KEY_SIGN, &st) < 0) { error("ssh_keysign: no installed: %s", strerror(errno)); @@ -995,7 +995,7 @@ userauth_hostbased(Authctxt *authctxt) } } if (!found) { - debug("userauth_hostbased: no more client hostkeys"); + debug("No more client hostkeys for hostbased authentication."); return 0; } if (key_to_blob(private, &blob, &blen) == 0) { @@ -1014,6 +1014,7 @@ userauth_hostbased(Authctxt *authctxt) strlcpy(chost, p, len); strlcat(chost, ".", len); debug2("userauth_hostbased: chost %s", chost); + xfree(p); service = datafellows & SSH_BUG_HBSERVICE ? "ssh-userauth" : authctxt->service; @@ -1109,7 +1110,6 @@ static char *preferred = NULL; static Authmethod * authmethod_get(char *authlist) { - char *name = NULL; u_int next; @@ -1130,7 +1130,7 @@ authmethod_get(char *authlist) for (;;) { if ((name = match_list(preferred, supported, &next)) == NULL) { - debug("no more auth methods to try"); + debug("No more authentication methods to try."); current = NULL; return NULL; } @@ -1140,7 +1140,7 @@ authmethod_get(char *authlist) if ((current = authmethod_lookup(name)) != NULL && authmethod_is_enabled(current)) { debug3("authmethod_is_enabled %s", name); - debug("next auth method to try is %s", name); + debug("Next authentication method: %s", name); return current; } } diff --git a/crypto/openssh/sshd.8 b/crypto/openssh/sshd.8 index 22ab70e..a99c4f1 100644 --- a/crypto/openssh/sshd.8 +++ b/crypto/openssh/sshd.8 @@ -34,7 +34,7 @@ .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" -.\" $OpenBSD: sshd.8,v 1.193 2002/09/24 20:59:44 todd Exp $ +.\" $OpenBSD: sshd.8,v 1.194 2003/01/31 21:54:40 jmc Exp $ .Dd September 25, 1999 .Dt SSHD 8 .Os @@ -43,6 +43,7 @@ .Nd OpenSSH SSH daemon .Sh SYNOPSIS .Nm sshd +.Bk -words .Op Fl deiqtD46 .Op Fl b Ar bits .Op Fl f Ar config_file @@ -52,6 +53,7 @@ .Op Fl o Ar option .Op Fl p Ar port .Op Fl u Ar len +.Ek .Sh DESCRIPTION .Nm (SSH Daemon) is the daemon program for @@ -75,7 +77,7 @@ This implementation of .Nm supports both SSH protocol version 1 and 2 simultaneously. .Nm -works as follows. +works as follows: .Pp .Ss SSH protocol version 1 .Pp @@ -86,7 +88,7 @@ the daemon starts, it generates a server RSA key (normally 768 bits). This key is normally regenerated every hour if it has been used, and is never stored on disk. .Pp -Whenever a client connects the daemon responds with its public +Whenever a client connects, the daemon responds with its public host and server keys. The client compares the RSA host key against its own database to verify that it has not changed. @@ -119,7 +121,7 @@ System security is not improved unless .Nm rshd , .Nm rlogind , and -.Xr rexecd +.Nm rexecd are disabled (thus completely disabling .Xr rlogin and @@ -189,7 +191,9 @@ The server sends verbose debug output to the system log, and does not put itself in the background. The server also will not fork and will only process one connection. This option is only intended for debugging for the server. -Multiple -d options increase the debugging level. +Multiple +.Fl d +options increase the debugging level. Maximum is 3. .It Fl e When this option is specified, @@ -225,7 +229,8 @@ the different protocol versions and host key algorithms. .It Fl i Specifies that .Nm -is being run from inetd. +is being run from +.Xr inetd 8 . .Nm is normally not run from inetd because it needs to generate the server key before it can @@ -282,7 +287,7 @@ should be put into the .Pa utmp file. .Fl u0 -is also be used to prevent +may also be used to prevent .Nm from making DNS requests unless the authentication mechanism or configuration requires it. @@ -446,7 +451,7 @@ authentication. The command supplied by the user (if any) is ignored. The command is run on a pty if the client requests a pty; otherwise it is run without a tty. -If a 8-bit clean channel is required, +If an 8-bit clean channel is required, one must not request a pty or should specify .Cm no-pty . A quote may be included in the command by quoting it with a backslash. @@ -506,7 +511,7 @@ command="dump /home",no-pty,no-port-forwarding 1024 33 23.\|.\|.\|2323 backup.hu permitopen="10.2.1.55:80",permitopen="10.2.1.56:25" 1024 33 23.\|.\|.\|2323 .Sh SSH_KNOWN_HOSTS FILE FORMAT The -.Pa /etc/ssh/ssh_known_hosts , +.Pa /etc/ssh/ssh_known_hosts and .Pa $HOME/.ssh/known_hosts files contain host public keys for all known hosts. @@ -627,7 +632,7 @@ These files should be writable only by root/the owner. .Pa /etc/ssh/ssh_known_hosts should be world-readable, and .Pa $HOME/.ssh/known_hosts -can but need not be world-readable. +can, but need not be, world-readable. .It Pa /etc/nologin If this file exists, .Nm @@ -644,7 +649,7 @@ Further details are described in This file contains host-username pairs, separated by a space, one per line. The given user on the corresponding host is permitted to log in -without password. +without a password. The same file is used by rlogind and rshd. The file must be writable only by the user; it is recommended that it not be @@ -713,7 +718,9 @@ controlled via the .Cm PermitUserEnvironment option. .It Pa $HOME/.ssh/rc -If this file exists, it is run with /bin/sh after reading the +If this file exists, it is run with +.Pa /bin/sh +after reading the environment files but before starting the user's shell or command. It must not produce any output on stdout; stderr must be used instead. diff --git a/crypto/openssh/sshd.c b/crypto/openssh/sshd.c index f8bd7ce..0f2b2a3 100644 --- a/crypto/openssh/sshd.c +++ b/crypto/openssh/sshd.c @@ -42,7 +42,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: sshd.c,v 1.260 2002/09/27 10:42:09 mickey Exp $"); +RCSID("$OpenBSD: sshd.c,v 1.263 2003/02/16 17:09:57 markus Exp $"); #include <openssl/dh.h> #include <openssl/bn.h> @@ -202,8 +202,8 @@ int *startup_pipes = NULL; int startup_pipe; /* in child */ /* variables used for privilege separation */ -extern struct monitor *pmonitor; -extern int use_privsep; +int use_privsep; +struct monitor *pmonitor; /* Prototypes for various functions defined later in this file. */ void destroy_sensitive_data(void); @@ -827,9 +827,17 @@ main(int ac, char **av) __progname = get_progname(av[0]); init_rng(); - /* Save argv. */ + /* Save argv. Duplicate so setproctitle emulation doesn't clobber it */ saved_argc = ac; saved_argv = av; + saved_argv = xmalloc(sizeof(*saved_argv) * ac); + for (i = 0; i < ac; i++) + saved_argv[i] = xstrdup(av[i]); + +#ifndef HAVE_SETPROCTITLE + /* Prepare for later setproctitle emulation */ + compat_init_setproctitle(ac, av); +#endif /* Initialize configuration options to their default values. */ initialize_server_options(&options); @@ -944,7 +952,7 @@ main(int ac, char **av) SYSLOG_LEVEL_INFO : options.log_level, options.log_facility == SYSLOG_FACILITY_NOT_SET ? SYSLOG_FACILITY_AUTH : options.log_facility, - !inetd_flag); + log_stderr || !inetd_flag); #ifdef _UNICOS /* Cray can define user privs drop all prives now! @@ -1058,8 +1066,8 @@ main(int ac, char **av) #else if (st.st_uid != 0 || (st.st_mode & (S_IWGRP|S_IWOTH)) != 0) #endif - fatal("Bad owner or mode for %s", - _PATH_PRIVSEP_CHROOT_DIR); + fatal("%s must be owned by root and not group or " + "world-writable.", _PATH_PRIVSEP_CHROOT_DIR); } /* Configuration looks good, so exit if in test mode. */ @@ -1392,8 +1400,12 @@ main(int ac, char **av) * setlogin() affects the entire process group. We don't * want the child to be able to affect the parent. */ -#if 0 - /* XXX: this breaks Solaris */ +#if !defined(STREAMS_PUSH_ACQUIRES_CTTY) + /* + * If setsid is called on Solaris, sshd will acquire the controlling + * terminal while pushing STREAMS modules. This will prevent the + * shell from acquiring it later. + */ if (!debug_flag && !inetd_flag && setsid() < 0) error("setsid: %.100s", strerror(errno)); #endif @@ -1806,6 +1818,8 @@ do_ssh2_kex(void) /* start key exchange */ kex = kex_setup(myproposal); + kex->kex[KEX_DH_GRP1_SHA1] = kexdh_server; + kex->kex[KEX_DH_GEX_SHA1] = kexgex_server; kex->server = 1; kex->client_version_string=client_version_string; kex->server_version_string=server_version_string; diff --git a/crypto/openssh/sshd_config.5 b/crypto/openssh/sshd_config.5 index 0944ba0..6f38a260 100644 --- a/crypto/openssh/sshd_config.5 +++ b/crypto/openssh/sshd_config.5 @@ -34,7 +34,7 @@ .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" -.\" $OpenBSD: sshd_config.5,v 1.13 2002/09/16 20:12:11 stevesk Exp $ +.\" $OpenBSD: sshd_config.5,v 1.15 2003/03/28 10:11:43 jmc Exp $ .Dd September 25, 1999 .Dt SSHD_CONFIG 5 .Os @@ -89,7 +89,7 @@ own forwarders. .It Cm AllowUsers This keyword can be followed by a list of user name patterns, separated by spaces. -If specified, login is allowed only for users names that +If specified, login is allowed only for user names that match one of the patterns. .Ql \&* and @@ -211,8 +211,8 @@ Specifies whether remote hosts are allowed to connect to ports forwarded for the client. By default, .Nm sshd -binds remote port forwardings to the loopback address. This -prevents other remote hosts from connecting to forwarded ports. +binds remote port forwardings to the loopback address. +This prevents other remote hosts from connecting to forwarded ports. .Cm GatewayPorts can be used to specify that .Nm sshd @@ -370,7 +370,8 @@ is not specified, will listen on the address and all prior .Cm Port options specified. The default is to listen on all local -addresses. Multiple +addresses. +Multiple .Cm ListenAddress options are permitted. Additionally, any .Cm Port @@ -385,10 +386,10 @@ Gives the verbosity level that is used when logging messages from .Nm sshd . The possible values are: QUIET, FATAL, ERROR, INFO, VERBOSE, DEBUG, DEBUG1, DEBUG2 and DEBUG3. -The default is INFO. DEBUG and DEBUG1 are equivalent. DEBUG2 -and DEBUG3 each specify higher levels of debugging output. -Logging with a DEBUG level violates the privacy of users -and is not recommended. +The default is INFO. +DEBUG and DEBUG1 are equivalent. +DEBUG2 and DEBUG3 each specify higher levels of debugging output. +Logging with a DEBUG level violates the privacy of users and is not recommended. .It Cm MACs Specifies the available MAC (message authentication code) algorithms. The MAC algorithm is used in protocol version 2 @@ -599,16 +600,18 @@ will be disabled because .Xr login 1 does not know how to handle .Xr xauth 1 -cookies. If +cookies. +If .Cm UsePrivilegeSeparation is specified, it will be disabled after authentication. .It Cm UsePrivilegeSeparation Specifies whether .Nm sshd separates privileges by creating an unprivileged child process -to deal with incoming network traffic. After successful authentication, -another process will be created that has the privilege of the authenticated -user. The goal of privilege separation is to prevent privilege +to deal with incoming network traffic. +After successful authentication, another process will be created that has +the privilege of the authenticated user. +The goal of privilege separation is to prevent privilege escalation by containing any corruption within the unprivileged processes. The default is .Dq yes . @@ -666,7 +669,8 @@ is enabled. Specifies whether .Nm sshd should bind the X11 forwarding server to the loopback address or to -the wildcard address. By default, +the wildcard address. +By default, .Nm sshd binds the forwarding server to the loopback address and sets the hostname part of the diff --git a/crypto/openssh/sshlogin.c b/crypto/openssh/sshlogin.c index 4cd1c00..12555d6 100644 --- a/crypto/openssh/sshlogin.c +++ b/crypto/openssh/sshlogin.c @@ -70,7 +70,7 @@ record_login(pid_t pid, const char *ttyname, const char *user, uid_t uid, struct logininfo *li; li = login_alloc_entry(pid, user, host, ttyname); - login_set_addr(li, addr, sizeof(struct sockaddr)); + login_set_addr(li, addr, addrlen); login_login(li); login_free_entry(li); } @@ -78,12 +78,12 @@ record_login(pid_t pid, const char *ttyname, const char *user, uid_t uid, #ifdef LOGIN_NEEDS_UTMPX void record_utmp_only(pid_t pid, const char *ttyname, const char *user, - const char *host, struct sockaddr * addr) + const char *host, struct sockaddr * addr, socklen_t addrlen) { struct logininfo *li; li = login_alloc_entry(pid, user, host, ttyname); - login_set_addr(li, addr, sizeof(struct sockaddr)); + login_set_addr(li, addr, addrlen); login_utmp_only(li); login_free_entry(li); } diff --git a/crypto/openssh/sshlogin.h b/crypto/openssh/sshlogin.h index 287c0d9..1c8bfad 100644 --- a/crypto/openssh/sshlogin.h +++ b/crypto/openssh/sshlogin.h @@ -22,7 +22,7 @@ u_long get_last_login_time(uid_t, const char *, char *, u_int); #ifdef LOGIN_NEEDS_UTMPX void record_utmp_only(pid_t, const char *, const char *, const char *, - struct sockaddr *); + struct sockaddr *, socklen_t); #endif #endif diff --git a/crypto/openssh/sshpty.c b/crypto/openssh/sshpty.c index 28d0e31..d28947f 100644 --- a/crypto/openssh/sshpty.c +++ b/crypto/openssh/sshpty.c @@ -12,7 +12,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: sshpty.c,v 1.7 2002/06/24 17:57:20 deraadt Exp $"); +RCSID("$OpenBSD: sshpty.c,v 1.8 2003/02/03 08:56:16 markus Exp $"); #ifdef HAVE_UTIL_H # include <util.h> @@ -394,7 +394,7 @@ pty_setowner(struct passwd *pw, const char *ttyname) if (chown(ttyname, pw->pw_uid, gid) < 0) { if (errno == EROFS && (st.st_uid == pw->pw_uid || st.st_uid == 0)) - error("chown(%.100s, %u, %u) failed: %.100s", + debug("chown(%.100s, %u, %u) failed: %.100s", ttyname, (u_int)pw->pw_uid, (u_int)gid, strerror(errno)); else @@ -408,7 +408,7 @@ pty_setowner(struct passwd *pw, const char *ttyname) if (chmod(ttyname, mode) < 0) { if (errno == EROFS && (st.st_mode & (S_IRGRP | S_IROTH)) == 0) - error("chmod(%.100s, 0%o) failed: %.100s", + debug("chmod(%.100s, 0%o) failed: %.100s", ttyname, mode, strerror(errno)); else fatal("chmod(%.100s, 0%o) failed: %.100s", diff --git a/crypto/openssh/version.h b/crypto/openssh/version.h index 1f11299..75a2b25 100644 --- a/crypto/openssh/version.h +++ b/crypto/openssh/version.h @@ -1,4 +1,3 @@ -/* $OpenBSD: version.h,v 1.35 2002/10/01 13:24:50 markus Exp $ */ - -#define SSH_VERSION "OpenSSH_3.5p1" +/* $OpenBSD: version.h,v 1.37 2003/04/01 10:56:46 markus Exp $ */ +#define SSH_VERSION "OpenSSH_3.6.1p1" |
