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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[sshd_config]
Disable the legacy SSH protocol 1 for new installations via
a configuration override. In the future, we will change the
server's default itself so users who need the legacy protocol
will need to turn it on explicitly
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[servconf.c servconf.h session.c sshd.8 sshd_config sshd_config.5]
Add ForceCommand keyword to sshd_config, equivalent to the "command="
key option, man page entry and example in sshd_config.
Feedback & ok djm@, man page corrections & ok jmc@
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reality. Pointed out by tryponraj at gmail.com.
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[auth-options.c auth-options.h channels.c channels.h clientloop.c]
[misc.c misc.h readconf.c readconf.h scp.c servconf.c servconf.h]
[serverloop.c sftp.c ssh.1 ssh.c ssh_config ssh_config.5 sshconnect.c]
[sshconnect.h sshd.8 sshd_config sshd_config.5]
Add support for tun(4) forwarding over OpenSSH, based on an idea and
initial channel code bits by markus@. This is a simple and easy way to
use OpenSSH for ad hoc virtual private network connections, e.g.
administrative tunnels or secure wireless access. It's based on a new
ssh channel and works similar to the existing TCP forwarding support,
except that it depends on the tun(4) network interface on both ends of
the connection for layer 2 or layer 3 tunneling. This diff also adds
support for LocalCommand in the ssh(1) client.
ok djm@, markus@, jmc@ (manpages), tested and discussed with others
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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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[sshd_config]
whitespace nit, from grunk AT pestilenz.org
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[servconf.c servconf.h sshd.c sshd_config sshd_config.5]
bz #898: support AddressFamily in sshd_config. from
peak@argo.troja.mff.cuni.cz; ok deraadt@
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[auth.c auth.h auth1.c auth2.c servconf.c servconf.h sshd_config sshd_config.5]
Add MaxAuthTries sshd config option; ok markus@
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ok dtucker@
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[sshd_config]
KeepAlive has been obsoleted, use TCPKeepAlive instead; markus@ OK
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[servconf.c servconf.h session.c sshd_config]
implement KerberosGetAFSToken server option. ok markus@, beck@
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[servconf.c sshd_config]
GSSAPICleanupCreds -> GSSAPICleanupCredentials
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[auth-krb5.c auth.h auth1.c monitor.c monitor.h monitor_wrap.c]
[monitor_wrap.h readconf.c servconf.c session.c ssh_config.5]
[sshconnect1.c sshd.c sshd_config sshd_config.5]
remove kerberos support from ssh1, since it has been replaced with GSSAPI;
but keep kerberos passwd auth for ssh1 and 2; ok djm, hin, henning, ...
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[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.
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[auth1.c readconf.c readconf.h servconf.c servconf.h ssh.c ssh_config
ssh_config.5 sshconnect1.c sshd.8 sshd.c sshd_config sshd_config.5]
remove RhostsAuthentication; suggested by djm@ before; ok djm@, deraadt@,
fgsch@, miod@, henning@, jakob@ and others
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[sshd_config]
remove AFS; itojun@
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- (dtucker) OpenBSD CVS Sync
- djm@cvs.openbsd.org 2003/06/20 05:48:21
[sshd_config]
sync some implemented options; ok markus@
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- markus@cvs.openbsd.org 2003/06/02 09:17:34
[auth2-hostbased.c auth.c auth-options.c auth-rhosts.c auth-rh-rsa.c]
[canohost.c monitor.c servconf.c servconf.h session.c sshd_config]
[sshd_config.5]
deprecate VerifyReverseMapping since it's dangerous if combined
with IP based access control as noted by Mike Harding; replace with
a UseDNS option, UseDNS is on by default and includes the
VerifyReverseMapping check; with itojun@, provos@, jakob@ and deraadt@
ok deraadt@, djm@
- (djm) Fix portable-specific uses of verify_reverse_mapping too
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[readconf.c readconf.h servconf.c servconf.h]
always parse kerberos options. ok djm@ markus@
- (djm) Always parse UsePAM
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- markus@cvs.openbsd.org 2002/09/25 11:17:16
[sshd_config]
sync LoginGraceTime with default
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[servconf.c sshd.8 sshd_config sshd_config.5]
change LoginGraceTime default to 1 minute; ok mouring@ markus@
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[auth-options.c servconf.c servconf.h session.c sshd_config sshd_config.5]
add PermitUserEnvironment (off by default!); from dot@dotat.at;
ok provos, deraadt
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- (stevesk) [sshd_config] PAMAuthenticationViaKbdInt no; commented
options should contain default value. from solar.
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[sshd_config]
add Compression
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[ssh_config sshd_config]
refer to config file man page
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[servconf.c sshd.8 sshd_config]
re-enable privsep and disable setuid for post-3.2.2
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[servconf.c sshd.8 sshd_config]
disable privsep and enable setuid for the 3.2.2 release
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[servconf.c sshd.8 sshd_config]
enable privsep by default; provos ok
(historical)
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[servconf.c sshd.8 sshd_config]
do not auto-enable KerberosAuthentication; ok djm@, provos@, deraadt@
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[sshd.8 sshd_config]
document default AFSTokenPassing no; ok deraadt@
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[sshd_config]
add privsep (off)
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[sshd_config]
stategy is not an english word
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- deraadt@cvs.openbsd.org 2002/02/09 17:37:34
[pathnames.h session.c ssh.1 sshd.8 sshd_config ssh-keyscan.1]
move ssh config files to /etc/ssh
- (djm) Adjust portable Makefile.in tnd ssh-rand-helper.c o match
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[auth2.c auth.c auth-options.c auth-rhosts.c auth-rh-rsa.c canohost.c servconf.c servconf.h session.c sshd.8 sshd_config]
s/ReverseMappingCheck/VerifyReverseMapping/ and avoid confusion; ok stevesk@
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[channels.c servconf.c servconf.h session.c sshd.8 sshd_config]
add X11UseLocalhost; ok markus@
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[sshd_config] put back in line that tells what PATH was compiled into sshd.
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[sshd_config]
The stategy now used for options in the default sshd_config shipped
with OpenSSH is to specify options with their default value where
possible, but leave them commented. Uncommented options change a
default value. Subsystem is currently the only default option
changed. ok markus@
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[auth1.c auth2.c auth2-chall.c auth-bsdauth.c auth.c authfile.c auth.h]
[auth-krb4.c auth-rhosts.c auth-skey.c bufaux.c canohost.c channels.c]
[cipher.c clientloop.c compat.c compress.c deattack.c key.c log.c mac.c]
[match.c misc.c nchan.c packet.c readconf.c rijndael.c rijndael.h scard.c]
[servconf.c servconf.h serverloop.c session.c sftp.c sftp-client.c]
[sftp-glob.c sftp-int.c sftp-server.c ssh-add.c ssh-agent.c ssh.c]
[sshconnect1.c sshconnect2.c sshconnect.c sshd.8 sshd.c sshd_config]
[ssh-keygen.c sshlogin.c sshpty.c sshtty.c ttymodes.c uidswap.c]
basic KNF done while i was looking for something else
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[sshd_config]
CheckMail removed. OKed stevesk@
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[auth2.c auth-rsa.c pathnames.h ssh.1 sshd.8 sshd_config
ssh-keygen.1]
merge authorized_keys2 into authorized_keys.
authorized_keys2 is used for backward compat.
(just append authorized_keys2 to authorized_keys).
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[sshd_config]
group options and add some more comments
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[auth-rsa.c auth.c auth.h auth2.c servconf.c servconf.h sshd.8
sshd_config]
configurable authorized_keys{,2} location; originally from peter@;
ok djm@
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(default: off), implies KbdInteractiveAuthentication. Suggestion from
markus@
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