Commit Graph

36 Commits

Author SHA1 Message Date
djm@openbsd.org 95767262ca upstream commit
refactor canohost.c: move functions that cache results closer
 to the places that use them (authn and session code). After this, no state is
 cached in canohost.c

feedback and ok markus@

Upstream-ID: 5f2e4df88d4803fc8ec59ec53629105e23ce625e
2016-03-08 06:20:35 +11:00
Damien Miller 71df752de2 - djm@cvs.openbsd.org 2013/10/14 21:20:52
[session.c session.h]
     Add logging of session starts in a useful format; ok markus@ feedback and
     ok dtucker@
2013-10-15 12:12:02 +11:00
Damien Miller 7207f64a23 - djm@cvs.openbsd.org 2008/05/08 12:21:16
[monitor.c monitor_wrap.c session.h servconf.c servconf.h session.c]
     [sshd_config sshd_config.5]
     Make the maximum number of sessions run-time controllable via
     a sshd_config MaxSessions knob. This is useful for disabling
     login/shell/subsystem access while leaving port-forwarding working
     (MaxSessions 0), disabling connection multiplexing (MaxSessions 1) or
     simply increasing the number of allows multiplexed sessions.
     Because some bozos are sure to configure MaxSessions in excess of the
     number of available file descriptors in sshd (which, at peak, might be
     as many as 9*MaxSessions), audit sshd to ensure that it doesn't leak fds
     on error paths, and make it fail gracefully on out-of-fd conditions -
     sending channel errors instead of than exiting with fatal().
     bz#1090; MaxSessions config bits and manpage from junyer AT gmail.com
     ok markus@
2008-05-19 15:34:50 +10:00
Damien Miller d783435315 - deraadt@cvs.openbsd.org 2006/08/03 03:34:42
[OVERVIEW atomicio.c atomicio.h auth-bsdauth.c auth-chall.c auth-krb5.c]
     [auth-options.c auth-options.h auth-passwd.c auth-rh-rsa.c auth-rhosts.c]
     [auth-rsa.c auth-skey.c auth.c auth.h auth1.c auth2-chall.c auth2-gss.c]
     [auth2-hostbased.c auth2-kbdint.c auth2-none.c auth2-passwd.c ]
     [auth2-pubkey.c auth2.c authfd.c authfd.h authfile.c bufaux.c bufbn.c]
     [buffer.c buffer.h canohost.c channels.c channels.h cipher-3des1.c]
     [cipher-bf1.c cipher-ctr.c cipher.c cleanup.c clientloop.c compat.c]
     [compress.c deattack.c dh.c dispatch.c dns.c dns.h fatal.c groupaccess.c]
     [groupaccess.h gss-genr.c gss-serv-krb5.c gss-serv.c hostfile.c kex.c]
     [kex.h kexdh.c kexdhc.c kexdhs.c kexgex.c kexgexc.c kexgexs.c key.c]
     [key.h log.c log.h mac.c match.c md-sha256.c misc.c misc.h moduli.c]
     [monitor.c monitor_fdpass.c monitor_mm.c monitor_mm.h monitor_wrap.c]
     [monitor_wrap.h msg.c nchan.c packet.c progressmeter.c readconf.c]
     [readconf.h readpass.c rsa.c scard.c scard.h scp.c servconf.c servconf.h]
     [serverloop.c session.c session.h sftp-client.c sftp-common.c]
     [sftp-common.h sftp-glob.c sftp-server.c sftp.c ssh-add.c ssh-agent.c]
     [ssh-dss.c ssh-gss.h ssh-keygen.c ssh-keyscan.c ssh-keysign.c ssh-rsa.c]
     [ssh.c ssh.h sshconnect.c sshconnect.h sshconnect1.c sshconnect2.c]
     [sshd.c sshlogin.c sshlogin.h sshpty.c sshpty.h sshtty.c ttymodes.c]
     [uidswap.c uidswap.h uuencode.c uuencode.h xmalloc.c xmalloc.h]
     [loginrec.c loginrec.h openbsd-compat/port-aix.c openbsd-compat/port-tun.h]
     almost entirely get rid of the culture of ".h files that include .h files"
     ok djm, sort of ok stevesk
     makes the pain stop in one easy step
     NB. portable commit contains everything *except* removing includes.h, as
     that will take a fair bit more work as we move headers that are required
     for portability workarounds to defines.h. (also, this step wasn't "easy")
2006-08-05 12:39:39 +10:00
Damien Miller 9f2abc47eb - stevesk@cvs.openbsd.org 2006/07/06 16:03:53
[auth-options.c auth-options.h auth-passwd.c auth-rh-rsa.c]
     [auth-rhosts.c auth-rsa.c auth.c auth.h auth2-hostbased.c]
     [auth2-pubkey.c auth2.c includes.h misc.c misc.h monitor.c]
     [monitor_wrap.c monitor_wrap.h scp.c serverloop.c session.c]
     [session.h sftp-common.c ssh-add.c ssh-keygen.c ssh-keysign.c]
     [ssh.c sshconnect.c sshconnect.h sshd.c sshpty.c sshpty.h uidswap.c]
     [uidswap.h]
     move #include <pwd.h> out of includes.h; ok markus@
2006-07-10 20:53:08 +10:00
Damien Miller 51096383e9 - djm@cvs.openbsd.org 2006/03/25 22:22:43
[atomicio.h auth-options.h auth.h auth2-gss.c authfd.h authfile.h]
     [bufaux.h buffer.h canohost.h channels.h cipher.h clientloop.h]
     [compat.h compress.h crc32.c crc32.h deattack.h dh.h dispatch.h]
     [dns.c dns.h getput.h groupaccess.h gss-genr.c gss-serv-krb5.c]
     [gss-serv.c hostfile.h includes.h kex.h key.h log.h mac.h match.h]
     [misc.h monitor.h monitor_fdpass.h monitor_mm.h monitor_wrap.h msg.h]
     [myproposal.h packet.h pathnames.h progressmeter.h readconf.h rsa.h]
     [scard.h servconf.h serverloop.h session.h sftp-common.h sftp.h]
     [ssh-gss.h ssh.h ssh1.h ssh2.h sshconnect.h sshlogin.h sshpty.h]
     [ttymodes.h uidswap.h uuencode.h xmalloc.h]
     standardise spacing in $OpenBSD$ tags; requested by deraadt@
2006-03-26 14:30:00 +11:00
Damien Miller 1345e617da - deraadt@cvs.openbsd.org 2006/03/20 18:26:55
[session.h]
     annoying spacing fixes getting in the way of real diffs
2006-03-26 00:06:32 +11:00
Damien Miller 2b9b045d93 - (djm) [auth-pam.c sftp.c] spaces vs. tabs at start of line
- djm@cvs.openbsd.org 2005/07/17 06:49:04
     [channels.c channels.h session.c session.h]
     Fix a number of X11 forwarding channel leaks:
     1. Refuse multiple X11 forwarding requests on the same session
     2. Clean up all listeners after a single_connection X11 forward, not just
        the one that made the single connection
     3. Destroy X11 listeners when the session owning them goes away
     testing and ok dtucker@
2005-07-17 17:19:24 +10:00
Damien Miller eccb9de72a - djm@cvs.openbsd.org 2005/06/17 02:44:33
[auth-rsa.c auth.c auth1.c auth2-chall.c auth2-gss.c authfd.c authfile.c]
     [bufaux.c canohost.c channels.c cipher.c clientloop.c dns.c gss-serv.c]
     [kex.c kex.h key.c mac.c match.c misc.c packet.c packet.h scp.c]
     [servconf.c session.c session.h sftp-client.c sftp-server.c sftp.c]
     [ssh-keyscan.c ssh-rsa.c sshconnect.c sshconnect1.c sshconnect2.c sshd.c]
     make this -Wsign-compare clean; ok avsm@ markus@
     NB. auth1.c changes not committed yet (conflicts with uncommitted sync)
     NB2. more work may be needed to make portable Wsign-compare clean
2005-06-17 12:59:34 +10:00
Darren Tucker 0999174755 - dtucker@cvs.openbsd.org 2004/07/17 05:31:41
[monitor.c monitor_wrap.c session.c session.h sshd.c sshlogin.c]
     Move "Last logged in at.." message generation to the monitor, right
     before recording the new login.  Fixes missing lastlog message when
     /var/log/lastlog is not world-readable and incorrect datestamp when
     multiple sessions are used (bz #463);  much assistance & ok markus@
2004-07-17 17:05:14 +10:00
Darren Tucker 46bc075474 - djm@cvs.openbsd.org 2004/04/27 09:46:37
[readconf.c readconf.h servconf.c servconf.h session.c session.h ssh.c
     ssh_config.5 sshd_config.5]
     bz #815: implement ability to pass specified environment variables from
     the client to the server; ok markus@
2004-05-02 22:11:30 +10:00
Darren Tucker 3e33cecf71 - markus@cvs.openbsd.org 2003/09/23 20:17:11
[Makefile.in auth1.c auth2.c auth.c auth.h auth-krb5.c canohost.c
     cleanup.c clientloop.c fatal.c gss-serv.c log.c log.h monitor.c monitor.h
     monitor_wrap.c monitor_wrap.h packet.c serverloop.c session.c session.h
     ssh-agent.c sshd.c]
     replace fatal_cleanup() and linked list of fatal callbacks with static
     cleanup_exit() function.  re-refine cleanup_exit() where appropriate,
     allocate sshd's authctxt eary to allow simpler cleanup in sshd.
     tested by many, ok deraadt@
2003-10-02 16:12:36 +10:00
Darren Tucker 0efd155c3c - markus@cvs.openbsd.org 2003/08/22 10:56:09
[auth2.c auth2-gss.c auth.h compat.c compat.h gss-genr.c gss-serv-krb5.c
     gss-serv.c monitor.c monitor.h monitor_wrap.c monitor_wrap.h readconf.c
     readconf.h servconf.c servconf.h session.c session.h ssh-gss.h
     ssh_config.5 sshconnect2.c sshd_config sshd_config.5]
     support GSS API user authentication; patches from Simon Wilkinson,
     stripped down and tested by Jakob and myself.
2003-08-26 11:49:55 +10:00
Ben Lindstrom a962c2fb35 - deraadt@cvs.openbsd.org 2002/06/30 21:59:45
[auth-bsdauth.c auth-skey.c auth2-chall.c clientloop.c key.c
      monitor_wrap.c monitor_wrap.h scard.h session.h sftp-glob.c ssh.c
      sshconnect2.c sshd.c]
     minor KNF
2002-07-04 00:14:17 +00:00
Ben Lindstrom a9d2c89fc5 - deraadt@cvs.openbsd.org 2002/06/23 21:06:41
[channels.c channels.h session.c session.h]
     display, screen, row, col, xpixel, ypixel are u_int; markus ok
  - (bal) Also fixed IPADDR_IN_DISPLAY case where display, screen, row, col,
    xpixel are u_int.
2002-06-23 21:48:28 +00:00
Ben Lindstrom c447fee9f1 - markus@cvs.openbsd.org 2002/03/29 18:59:32
[session.c session.h]
     retrieve last login time before the pty is allocated, store per session
2002-04-02 20:35:35 +00:00
Ben Lindstrom 08105192fd - markus@cvs.openbsd.org 2002/03/19 10:35:39
[auth-options.c auth.h session.c session.h sshd.c]
     clean up prototypes
2002-03-22 02:50:06 +00:00
Ben Lindstrom 7a2073c50b - provos@cvs.openbsd.org 2002/03/18 17:50:31
[auth-bsdauth.c auth-options.c auth-rh-rsa.c auth-rsa.c auth-skey.c auth.h
      auth1.c auth2-chall.c auth2.c kex.c kex.h kexdh.c kexgex.c servconf.c
      session.h servconf.h serverloop.c session.c sshd.c]
     integrate privilege separated openssh; its turned off by default for now.
     work done by me and markus@

applied, but outside of ensure that smaller code bits migrated with
their owners.. no work was tried to 'fix' it to work. =)  Later project!
2002-03-22 02:30:41 +00:00
Damien Miller 3a5b023330 Stupid djm commits experimental code to head instead of branch
revert
2002-03-13 13:19:42 +11:00
Damien Miller 646e7cf3d7 Import of Niels Provos' 20020312 ssh-complete.diff
PAM, Cygwin and OSF SIA will not work for sure
2002-03-13 12:47:54 +11:00
Damien Miller c7ef63dd41 - markus@cvs.openbsd.org 2002/02/03 17:53:25
[auth1.c serverloop.c session.c session.h]
     don't use channel_input_channel_request and callback
     use new server_input_channel_req() instead:
     	server_input_channel_req does generic request parsing on server side
     	session_input_channel_req handles just session specific things now
     ok djm@
2002-02-05 12:21:42 +11:00
Damien Miller 3ec2759ad4 - (djm) OpenBSD CVS Sync
- markus@cvs.openbsd.org 2001/10/10 22:18:47
     [channels.c channels.h clientloop.c nchan.c serverloop.c]
     [session.c session.h]
     try to keep channels open until an exit-status message is sent.
     don't kill the login shells if the shells stdin/out/err is closed.
     this should now work:
     ssh -2n localhost 'exec > /dev/null 2>&1; sleep 10; exit 5'; echo ?
2001-10-12 11:35:04 +10:00
Damien Miller 52b77beb65 - markus@cvs.openbsd.org 2001/10/09 21:59:41
[channels.c channels.h serverloop.c session.c session.h]
     simplify session close: no more delayed session_close, no more blocking wait() calls.
2001-10-10 15:14:37 +10:00
Ben Lindstrom 4983d5ebd5 - markus@cvs.openbsd.org 2001/07/02 13:59:15
[serverloop.c session.c session.h]
     wait until !session_have_children(); bugreport from
     Lutz.Jaenicke@aet.TU-Cottbus.DE
2001-07-04 05:17:40 +00:00
Ben Lindstrom bddd551e11 - markus@cvs.openbsd.org 2001/06/27 02:12:54
[serverloop.c serverloop.h session.c session.h]
     quick hack to make ssh2 work again.
2001-07-04 04:53:53 +00:00
Ben Lindstrom 4cc240dabb - markus@cvs.openbsd.org 2001/06/26 17:27:25
[authfd.h authfile.h auth.h auth-options.h bufaux.h buffer.h
      canohost.h channels.h cipher.h clientloop.h compat.h compress.h
      crc32.h deattack.h dh.h dispatch.h groupaccess.c groupaccess.h
      hostfile.h kex.h key.h log.c log.h mac.h misc.c misc.h mpaux.h
      packet.h radix.h readconf.h readpass.h rsa.h servconf.h serverloop.h
      session.h sftp-common.c sftp-common.h sftp-glob.h sftp-int.h
      sshconnect.h ssh-dss.h sshlogin.h sshpty.h ssh-rsa.h sshtty.h
      tildexpand.h uidswap.h uuencode.h xmalloc.h]
     remove comments from .h, since they are cut&paste from the .c files
     and out of sync
2001-07-04 04:46:56 +00:00
Ben Lindstrom b4c774cf88 - itojun@cvs.openbsd.org 2001/06/26 06:33:07
[servconf.h serverloop.h session.h sftp-client.h sftp-common.h
      sftp-glob.h sftp-int.h sshconnect.h ssh-dss.h sshlogin.h sshpty.h
      ssh-rsa.h tildexpand.h uidswap.h uuencode.h xmalloc.h]
     prototype pedant.  not very creative...
     - () -> (void)
     - no variable names
2001-07-04 04:07:12 +00:00
Ben Lindstrom 4469723325 - markus@cvs.openbsd.org 2001/06/25 08:25:41
[channels.c channels.h cipher.c clientloop.c compat.c compat.h
      hostfile.c kex.c kex.h key.c key.h nchan.c packet.c serverloop.c
      session.c session.h sftp-server.c ssh-add.c ssh-agent.c uuencode.h]
     update copyright for 2001
2001-07-04 03:32:30 +00:00
Ben Lindstrom b31783d547 - markus@cvs.openbsd.org 2001/03/21 11:43:45
[auth1.c auth2.c session.c session.h]
     merge common ssh v1/2 code
2001-03-22 02:02:12 +00:00
Ben Lindstrom 36579d3daa - niklas@cvs.openbsd.org 2001/01/2001
[atomicio.h canohost.h clientloop.h deattack.h dh.h dispatch.h
      groupaccess.c groupaccess.h hmac.h hostfile.h includes.h kex.h
      key.h log.h login.h match.h misc.h myproposal.h nchan.ms pathnames.h
      radix.h readpass.h rijndael.h serverloop.h session.h sftp.h ssh-add.1
      ssh-dss.h ssh-keygen.1 ssh-keyscan.1 ssh-rsa.h ssh1.h ssh_config
      sshconnect.h sshd_config tildexpand.h uidswap.h uuencode.h]
     $OpenBSD$
2001-01-29 07:39:26 +00:00
Ben Lindstrom db65e8fded Please grep through the source and look for 'ISSUE' comments and verify
that I was able to get all the portable bits in the right location.  As for
the SKEY comment there is an email out to Markus as to how it should be
resolved.  Until then I just #ifdef SKEY/#endif out the whole block.

 - (bal) OpenBSD Resync
   - markus@cvs.openbsd.org 2001/01/18 16:20:21
     [log-client.c log-server.c log.c readconf.c servconf.c ssh.1 ssh.h
      sshd.8 sshd.c]
     log() is at pri=LOG_INFO, since LOG_NOTICE goes to /dev/console on many
     systems
   - markus@cvs.openbsd.org 2001/01/18 16:59:59
     [auth-passwd.c auth.c auth.h auth1.c auth2.c serverloop.c session.c
      session.h sshconnect1.c]
     1) removes fake skey from sshd, since this will be much
        harder with /usr/libexec/auth/login_XXX
     2) share/unify code used in ssh-1 and ssh-2 authentication (server side)
     3) make addition of BSD_AUTH and other challenge reponse methods
        easier.
   - markus@cvs.openbsd.org 2001/01/18 17:12:43
     [auth-chall.c auth2-chall.c]
     rename *-skey.c *-chall.c since the files are not skey specific
2001-01-19 04:26:52 +00:00
Damien Miller 15b2952cd8 - (djm) Revert SSH2 serverloop hack, will find a better way. 2000-10-14 12:33:48 +11:00
Damien Miller 15e7d4b64c - (djm) Fix SSH2 not terminating until all background tasks done problem. 2000-09-29 10:57:35 +11:00
Damien Miller e4340be5b3 - (djm) Merge OpenBSD changes:
- markus@cvs.openbsd.org  2000/09/05 02:59:57
     [session.c]
     print hostname (not hushlogin)
   - markus@cvs.openbsd.org  2000/09/05 13:18:48
     [authfile.c ssh-add.c]
     enable ssh-add -d for DSA keys
   - markus@cvs.openbsd.org  2000/09/05 13:20:49
     [sftp-server.c]
     cleanup
   - markus@cvs.openbsd.org  2000/09/06 03:46:41
     [authfile.h]
     prototype
   - deraadt@cvs.openbsd.org 2000/09/07 14:27:56
     [ALL]
     cleanup copyright notices on all files.  I have attempted to be
     accurate with the details.  everything is now under Tatu's licence
     (which I copied from his readme), and/or the core-sdi bsd-ish thing
     for deattack, or various openbsd developers under a 2-term bsd
     licence.  We're not changing any rules, just being accurate.
   - markus@cvs.openbsd.org  2000/09/07 14:40:30
     [channels.c channels.h clientloop.c serverloop.c ssh.c]
     cleanup window and packet sizes for ssh2 flow control; ok niels
   - markus@cvs.openbsd.org  2000/09/07 14:53:00
     [scp.c]
     typo
   - markus@cvs.openbsd.org  2000/09/07 15:13:37
     [auth-options.c auth-options.h auth-rh-rsa.c auth-rsa.c auth.c]
     [authfile.h canohost.c channels.h compat.c hostfile.h log.c match.h]
     [pty.c readconf.c]
     some more Copyright fixes
   - markus@cvs.openbsd.org  2000/09/08 03:02:51
     [README.openssh2]
     bye bye
   - deraadt@cvs.openbsd.org 2000/09/11 18:38:33
     [LICENCE cipher.c]
     a few more comments about it being ARC4 not RC4
   - markus@cvs.openbsd.org  2000/09/12 14:53:11
     [log-client.c log-server.c log.c ssh.1 ssh.c ssh.h sshd.8 sshd.c]
     multiple debug levels
   - markus@cvs.openbsd.org  2000/09/14 14:25:15
     [clientloop.c]
     typo
   - deraadt@cvs.openbsd.org 2000/09/15 01:13:51
     [ssh-agent.c]
     check return value for setenv(3) for failure, and deal appropriately
2000-09-16 13:29:08 +11:00
Damien Miller efb4afe026 - More large OpenBSD CVS updates:
- [auth.c auth.h servconf.c servconf.h serverloop.c session.c]
     [session.h ssh.h sshd.c README.openssh2]
     ssh2 server side, see README.openssh2; enable with 'sshd -2'
   - [channels.c]
     no adjust after close
   - [sshd.c compat.c ]
     interop w/ latest ssh.com windows client.
2000-04-12 18:45:05 +10:00
Damien Miller b38eff8e4f - Big OpenBSD CVS update (mainly beginnings of SSH2 infrastructure)
- [auth.c session.c sshd.c auth.h]
     split sshd.c -> auth.c session.c sshd.c plus cleanup and goto-removal
   - [bufaux.c bufaux.h]
     support ssh2 bignums
   - [channels.c channels.h clientloop.c sshd.c nchan.c nchan.h packet.c]
     [readconf.c ssh.c ssh.h serverloop.c]
     replace big switch() with function tables (prepare for ssh2)
   - [ssh2.h]
     ssh2 message type codes
   - [sshd.8]
     reorder Xr to avoid cutting
   - [serverloop.c]
     close(fdin) if fdin != fdout, shutdown otherwise, ok theo@
   - [channels.c]
     missing close
     allow bigger packets
   - [cipher.c cipher.h]
     support ssh2 ciphers
   - [compress.c]
     cleanup, less code
   - [dispatch.c dispatch.h]
     function tables for different message types
   - [log-server.c]
     do not log() if debuggin to stderr
     rename a cpp symbol, to avoid param.h collision
   - [mpaux.c]
     KNF
   - [nchan.c]
     sync w/ channels.c
2000-04-01 11:09:21 +10:00