| Age | Commit message (Collapse) | Author |
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- CVE-2007-4752: Prevent ssh(1) from using a trusted X11 cookie if
creation of an untrusted cookie fails; found and fixed by Jan Pechanec
(closes: #444738).
- sshd(8) in new installations defaults to SSH Protocol 2 only. Existing
installations are unchanged.
- The SSH channel window size has been increased, and both ssh(1)
sshd(8) now send window updates more aggressively. These improves
performance on high-BDP (Bandwidth Delay Product) networks.
- ssh(1) and sshd(8) now preserve MAC contexts between packets, which
saves 2 hash calls per packet and results in 12-16% speedup for
arcfour256/hmac-md5.
- A new MAC algorithm has been added, UMAC-64 (RFC4418) as
"umac-64@openssh.com". UMAC-64 has been measured to be approximately
20% faster than HMAC-MD5.
- Failure to establish a ssh(1) TunnelForward is now treated as a fatal
error when the ExitOnForwardFailure option is set.
- ssh(1) returns a sensible exit status if the control master goes away
without passing the full exit status.
- When using a ProxyCommand in ssh(1), set the outgoing hostname with
gethostname(2), allowing hostbased authentication to work.
- Make scp(1) skip FIFOs rather than hanging (closes: #246774).
- Encode non-printing characters in scp(1) filenames. These could cause
copies to be aborted with a "protocol error".
- Handle SIGINT in sshd(8) privilege separation child process to ensure
that wtmp and lastlog records are correctly updated.
- Report GSSAPI mechanism in errors, for libraries that support multiple
mechanisms.
- Improve documentation for ssh-add(1)'s -d option.
- Rearrange and tidy GSSAPI code, removing server-only code being linked
into the client.
- Delay execution of ssh(1)'s LocalCommand until after all forwardings
have been established.
- In scp(1), do not truncate non-regular files.
- Improve exit message from ControlMaster clients.
- Prevent sftp-server(8) from reading until it runs out of buffer space,
whereupon it would exit with a fatal error (closes: #365541).
- pam_end() was not being called if authentication failed
(closes: #405041).
- Manual page datestamps updated (closes: #433181).
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changes not previously backported to 4.3p2:
- 4.4/4.4p1 (http://www.openssh.org/txt/release-4.4):
+ On portable OpenSSH, fix a GSSAPI authentication abort that could be
used to determine the validity of usernames on some platforms.
+ Implemented conditional configuration in sshd_config(5) using the
"Match" directive. This allows some configuration options to be
selectively overridden if specific criteria (based on user, group,
hostname and/or address) are met. So far a useful subset of
post-authentication options are supported and more are expected to
be added in future releases.
+ Add support for Diffie-Hellman group exchange key agreement with a
final hash of SHA256.
+ Added a "ForceCommand" directive to sshd_config(5). Similar to the
command="..." option accepted in ~/.ssh/authorized_keys, this forces
the execution of the specified command regardless of what the user
requested. This is very useful in conjunction with the new "Match"
option.
+ Add a "PermitOpen" directive to sshd_config(5). This mirrors the
permitopen="..." authorized_keys option, allowing fine-grained
control over the port-forwardings that a user is allowed to
establish.
+ Add optional logging of transactions to sftp-server(8).
+ ssh(1) will now record port numbers for hosts stored in
~/.ssh/known_hosts when a non-standard port has been requested
(closes: #50612).
+ Add an "ExitOnForwardFailure" option to cause ssh(1) to exit (with a
non-zero exit code) when requested port forwardings could not be
established.
+ Extend sshd_config(5) "SubSystem" declarations to allow the
specification of command-line arguments.
+ Replacement of all integer overflow susceptible invocations of
malloc(3) and realloc(3) with overflow-checking equivalents.
+ Many manpage fixes and improvements.
+ Add optional support for OpenSSL hardware accelerators (engines),
enabled using the --with-ssl-engine configure option.
+ Tokens in configuration files may be double-quoted in order to
contain spaces (closes: #319639).
+ Move a debug() call out of a SIGCHLD handler, fixing a hang when the
session exits very quickly (closes: #307890).
+ Fix some incorrect buffer allocation calculations (closes: #410599).
+ ssh-add doesn't ask for a passphrase if key file permissions are too
liberal (closes: #103677).
+ Likewise, ssh doesn't ask either (closes: #99675).
- 4.6/4.6p1 (http://www.openssh.org/txt/release-4.6):
+ sshd now allows the enabling and disabling of authentication methods
on a per user, group, host and network basis via the Match directive
in sshd_config.
+ Fixed an inconsistent check for a terminal when displaying scp
progress meter (closes: #257524).
+ Fix "hang on exit" when background processes are running at the time
of exit on a ttyful/login session (closes: #88337).
* Update to current GSSAPI patch from
http://www.sxw.org.uk/computing/patches/openssh-4.6p1-gsskex-20070312.patch;
install ChangeLog.gssapi.
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[sshconnect2.c]
djm owes me a vb and a tism cd for breaking ssh compilation
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[sshconnect2.c]
fall back to gethostname() when the outgoing connection is not
on a socket, such as is the case when ProxyCommand is used.
Gives hostbased auth an opportunity to work; bz#616, report
and feedback stuart AT kaloram.com; ok markus@
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[auth-rsa.c auth-shadow.c auth-sia.c auth1.c auth2-chall.c]
[auth2-gss.c auth2-kbdint.c auth2-none.c authfd.c authfile.c]
[cipher-3des1.c cipher-aes.c cipher-bf1.c cipher-ctr.c clientloop.c]
[dh.c dns.c entropy.c gss-serv-krb5.c gss-serv.c hostfile.c kex.c]
[kexdhc.c kexdhs.c kexgexc.c kexgexs.c key.c loginrec.c mac.c]
[md5crypt.c monitor.c monitor_wrap.c readconf.c rsa.c]
[scard-opensc.c scard.c session.c ssh-add.c ssh-agent.c ssh-dss.c]
[ssh-keygen.c ssh-keysign.c ssh-rsa.c ssh.c sshconnect.c]
[sshconnect1.c sshconnect2.c sshd.c rc4.diff]
[openbsd-compat/bsd-cray.c openbsd-compat/port-aix.c]
[openbsd-compat/port-linux.c openbsd-compat/port-solaris.c]
[openbsd-compat/port-uw.c]
Lots of headers for SCO OSR6, mainly adding stdarg.h for log.h;
compile problems reported by rac AT tenzing.org
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[sshconnect2.c]
Fix regression where SSH2 banner is printed at loglevels ERROR and FATAL
where previously it weren't. bz #1221, found by Dean Kopesky, ok djm@
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[gss-genr.c ssh-gss.h sshconnect2.c]
bz #1218 - disable SPNEGO as per RFC4462; diff from simon AT sxw.org.uk
ok markus@
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[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")
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[auth-passwd.c auth-rhosts.c auth-rsa.c auth.c auth.h auth1.c]
[auth2-chall.c auth2-pubkey.c authfile.c buffer.c canohost.c]
[channels.c clientloop.c dh.c dns.c dns.h hostfile.c kex.c kexdhc.c]
[kexgexc.c kexgexs.c key.c key.h log.c misc.c misc.h moduli.c]
[monitor_wrap.c packet.c progressmeter.c readconf.c readpass.c scp.c]
[servconf.c session.c sftp-client.c sftp-common.c sftp-server.c sftp.c]
[ssh-add.c ssh-agent.c ssh-keygen.c ssh-keyscan.c ssh.c sshconnect.c]
[sshconnect1.c sshconnect2.c sshd.c sshlogin.c sshtty.c uuencode.c]
[uuencode.h xmalloc.c]
move #include <stdio.h> out of includes.h
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[atomicio.c auth-options.c auth-passwd.c auth-rhosts.c auth-rsa.c]
[auth.c auth1.c auth2-chall.c auth2-hostbased.c auth2-passwd.c auth2.c]
[authfd.c authfile.c bufaux.c bufbn.c buffer.c canohost.c channels.c]
[cipher-3des1.c cipher-bf1.c cipher-ctr.c cipher.c clientloop.c]
[compat.c deattack.c dh.c dns.c gss-genr.c gss-serv.c hostfile.c]
[includes.h kex.c kexdhc.c kexdhs.c kexgexc.c kexgexs.c key.c log.c]
[mac.c match.c md-sha256.c misc.c moduli.c monitor.c monitor_fdpass.c]
[monitor_mm.c monitor_wrap.c msg.c nchan.c packet.c rsa.c]
[progressmeter.c readconf.c readpass.c scp.c servconf.c serverloop.c]
[session.c sftp-client.c sftp-common.c sftp-glob.c sftp-server.c sftp.c]
[ssh-add.c ssh-agent.c ssh-dss.c ssh-keygen.c ssh-keyscan.c]
[ssh-keysign.c ssh-rsa.c ssh.c sshconnect.c sshconnect1.c sshconnect2.c]
[sshd.c sshlogin.c sshpty.c ttymodes.c uidswap.c xmalloc.c]
move #include <string.h> out of includes.h
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[auth1.c serverloop.c session.c sshconnect2.c]
missed some needed #include <unistd.h> when KERBEROS5=no; issue from
massimo@cedoc.mo.it
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[scp.c auth.c monitor.c serverloop.c sftp-server.c sshpty.c readpass.c
sshd.c monitor_wrap.c monitor_fdpass.c ssh-agent.c ttymodes.c atomicio.c
includes.h session.c sshlogin.c monitor_mm.c packet.c sshconnect2.c
sftp-client.c nchan.c clientloop.c sftp.c misc.c canohost.c channels.c
ssh-keygen.c progressmeter.c uidswap.c msg.c readconf.c sshconnect.c]
move #include <errno.h> out of includes.h; ok markus@
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[readpass.c sshconnect.c sshconnect2.c uidswap.c uidswap.h]
do not set the gid, noted by solar; ok djm
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[readpass.c sshconnect.c sshconnect.h sshconnect2.c uidswap.c]
replace remaining setuid() calls with permanently_set_uid() and
check seteuid() return values; report Marcus Meissner; ok dtucker djm
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[sshconnect2.c]
uint32_t -> u_int32_t (which we use everywhere else)
(Id sync only - portable already had this)
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http://www.sxw.org.uk/computing/patches/openssh-4.3p2-gsskex-20060223.patch
(closes: #352042).
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[authfile.c authfile.h sshconnect2.c ssh.c sshconnect1.c]
Prevent ssh from trying to open private keys with bad permissions more than
once or prompting for their passphrases (which it subsequently ignores
anyway), similar to a previous change in ssh-add. bz #1186, ok djm@
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[atomicio.c auth-bsdauth.c auth-chall.c auth-options.c auth-passwd.c]
[auth-rh-rsa.c auth-rhosts.c auth-rsa.c auth-skey.c auth.c auth1.c]
[auth2-chall.c auth2-hostbased.c auth2-kbdint.c auth2-none.c]
[auth2-passwd.c auth2-pubkey.c auth2.c authfd.c authfile.c bufaux.c]
[buffer.c canohost.c channels.c 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 fatal.c groupaccess.c hostfile.c kex.c]
[kexdh.c kexdhc.c kexdhs.c kexgex.c kexgexc.c kexgexs.c key.c log.c]
[mac.c match.c md-sha256.c misc.c monitor.c monitor_fdpass.c]
[monitor_mm.c monitor_wrap.c msg.c nchan.c packet.c progressmeter.c]
[readconf.c readpass.c rsa.c scard.c scp.c servconf.c serverloop.c]
[session.c sftp-client.c sftp-common.c sftp-glob.c sftp-server.c]
[sftp.c ssh-add.c ssh-agent.c ssh-dss.c ssh-keygen.c ssh-keyscan.c]
[ssh-keysign.c ssh-rsa.c ssh.c sshconnect.c sshconnect1.c]
[sshconnect2.c sshd.c sshlogin.c sshpty.c sshtty.c ttymodes.c]
[uidswap.c uuencode.c xmalloc.c]
Put $OpenBSD$ tags back (as comments) to replace the RCSID()s that
Theo nuked - our scripts to sync -portable need them in the files
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[auth-bsdauth.c auth-skey.c auth.c auth2-chall.c channels.c]
[clientloop.c deattack.c gss-genr.c kex.c key.c misc.c moduli.c]
[monitor.c monitor_wrap.c packet.c scard.c sftp-server.c ssh-agent.c]
[ssh-keyscan.c ssh.c sshconnect.c sshconnect2.c sshd.c uuencode.c]
[xmalloc.c xmalloc.h]
introduce xcalloc() and xasprintf() failure-checked allocations
functions and use them throughout openssh
xcalloc is particularly important because malloc(nmemb * size) is a
dangerous idiom (subject to integer overflow) and it is time for it
to die
feedback and ok deraadt@
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[sshconnect2.c]
memory leaks detected by Coverity via elad AT netbsd.org;
deraadt@ ok
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[atomicio.c auth-bsdauth.c auth-chall.c auth-krb5.c auth-options.c]
[auth-pam.c auth-passwd.c auth-rh-rsa.c auth-rhosts.c auth-rsa.c]
[auth-shadow.c auth-skey.c auth.c auth1.c auth2-chall.c]
[auth2-hostbased.c auth2-kbdint.c auth2-none.c auth2-passwd.c]
[auth2-pubkey.c auth2.c authfd.c authfile.c bufaux.c buffer.c]
[canohost.c channels.c cipher-3des1.c cipher-acss.c cipher-aes.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 entropy.c fatal.c]
[groupaccess.c hostfile.c includes.h kex.c kexdh.c kexdhc.c]
[kexdhs.c kexgex.c kexgexc.c kexgexs.c key.c log.c loginrec.c]
[loginrec.h logintest.c mac.c match.c md-sha256.c md5crypt.c misc.c]
[monitor.c monitor_fdpass.c monitor_mm.c monitor_wrap.c msg.c]
[nchan.c packet.c progressmeter.c readconf.c readpass.c rsa.c]
[scard.c scp.c servconf.c serverloop.c session.c sftp-client.c]
[sftp-common.c sftp-glob.c sftp-server.c sftp.c ssh-add.c]
[ssh-agent.c ssh-dss.c ssh-keygen.c ssh-keyscan.c ssh-keysign.c]
[ssh-rand-helper.c ssh-rsa.c ssh.c sshconnect.c sshconnect1.c]
[sshconnect2.c sshd.c sshlogin.c sshpty.c sshtty.c ttymodes.c]
[uidswap.c uuencode.c xmalloc.c openbsd-compat/bsd-arc4random.c]
[openbsd-compat/bsd-closefrom.c openbsd-compat/bsd-cygwin_util.c]
[openbsd-compat/bsd-getpeereid.c openbsd-compat/bsd-misc.c]
[openbsd-compat/bsd-nextstep.c openbsd-compat/bsd-snprintf.c]
[openbsd-compat/bsd-waitpid.c openbsd-compat/fake-rfc2553.c]
RCSID() can die
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[sftp-client.c ssh-keysign.c ssh.c sshconnect.c sshconnect2.c]
[sshd.c openbsd-compat/bsd-misc.c openbsd-compat/bsd-openpty.c]
[openbsd-compat/glob.c openbsd-compat/mktemp.c]
[openbsd-compat/readpassphrase.c] Lots of include fixes for
OpenSolaris
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[kex.c kex.h monitor.c myproposal.h ssh-keyscan.c sshconnect2.c sshd.c]
Implement the diffie-hellman-group-exchange-sha256 key exchange method
using the SHA256 code in libc (and wrapper to make it into an OpenSSL
EVP), interop tested against CVS PuTTY
NB. no portability bits committed yet
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[clientloop.c includes.h monitor.c progressmeter.c scp.c]
[serverloop.c session.c sftp.c ssh-agent.c ssh.c sshd.c]
move #include <signal.h> out of includes.h; ok markus@
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[includes.h monitor.c readpass.c scp.c serverloop.c session.c^?]
[sftp.c sshconnect.c sshconnect2.c sshd.c]
move #include <sys/wait.h> out of includes.h; ok markus@
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[includes.h ssh-agent.c ssh-keyscan.c sshconnect2.c]
move #include <sys/queue.h> out of includes.h; ok markus@
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[ssh-keygen.c ssh.c sshconnect2.c]
no trailing "\n" for log functions; ok djm@
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different version of the gssapi authentication method (thanks, Aaron M.
Ucko; closes: #328388).
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- Add GSSAPI key exchange support from
http://www.sxw.org.uk/computing/patches/openssh.html (thanks, Stephen
Frost).
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- djm@cvs.openbsd.org 2005/08/30 22:08:05
[gss-serv.c sshconnect2.c]
destroy credentials if krb5_kuserok() call fails. Stops credentials being
delegated to users who are not authorised for GSSAPIAuthentication when
GSSAPIDeletegateCredentials=yes and another authentication mechanism
succeeds; bz#1073 reported by paul.moore AT centrify.com, fix by
simon AT sxw.org.uk, tested todd@ biorn@ jakob@; ok deraadt@
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[kex.c kex.h myproposal.h packet.c packet.h servconf.c session.c]
[sshconnect2.c sshd.c sshd_config sshd_config.5]
add a new compression method that delays compression until the user
has been authenticated successfully and set compression to 'delayed'
for sshd.
this breaks older openssh clients (< 3.5) if they insist on
compression, so you have to re-enable compression in sshd_config.
ok djm@
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[auth-rh-rsa.c auth-rhosts.c auth2-chall.c auth2-gss.c channels.c]
[cipher-ctr.c gss-genr.c gss-serv.c kex.c moduli.c readconf.c]
[serverloop.c session.c sftp-client.c sftp.c ssh-add.c ssh-keygen.c]
[sshconnect.c sshconnect2.c]
knf says that a 2nd level indent is four (not three or five) spaces
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[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
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[dh.c dh.h kex.c kex.h kexdhc.c kexdhs.c monitor.c myproposal.h]
[ssh-keyscan.c sshconnect2.c sshd.c]
implement diffie-hellman-group14-sha1 kex method (trivial extension to
existing diffie-hellman-group1-sha1); ok markus@
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[clientloop.c misc.h readpass.c scard.c ssh-add.c ssh-agent.c ssh-keygen.c
sshconnect.c sshconnect1.c sshconnect2.c] removed: readpass.h
kill a tiny header; ok deraadt@
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- henning@cvs.openbsd.org 2004/04/08 16:08:21
[sshconnect2.c]
swap the last two parameters to TAILQ_FOREACH_REVERSE. matches what FreeBSD and NetBSD do.
ok millert@ mcbride@ markus@ ho@, checked to not affect ports by naddy@
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[readconf.c readconf.h scp.1 sftp.1 ssh.1 ssh_config.5 sshconnect2.c]
add IdentitiesOnly; ok djm@, pb@
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[auth2-hostbased.c auth2-pubkey.c serverloop.c ssh-keysign.c sshconnect2.c]
fix mem leaks; some fixes from Pete Flugstad; tested dtucker@
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[everything]
unexpand and delete whitespace at EOL; ok markus@
(done locally and RCS IDs synced)
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[auth2-gss.c gss-genr.c gss-serv.c monitor.c monitor.h monitor_wrap.c]
[monitor_wrap.h sshconnect2.c ssh-gss.h]
replace "gssapi" with "gssapi-with-mic"; from Simon Wilkinson;
test + ok jakob.
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[msg.c msg.h sshconnect2.c ssh-keysign.c]
return error on msg send/receive failure (rather than fatal); ok markus@
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[sshconnect2.c]
cleanup and minor fixes for the client code; from Simon Wilkinson
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[auth2-gss.c compat.c compat.h sshconnect2.c]
remove support for SSH_BUG_GSSAPI_BER; simon@sxw.org.uk
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[sshconnect2.c]
rename 'supported' static var in userauth_gssapi() to 'gss_supported'
to avoid shadowing the global version. markus@ ok
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