| 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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[readconf.c clientloop.c]
remove some bogus *p tests from charles longeau
ok deraadt millert
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[readconf.c]
spaces
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[readconf.c]
Honour activep for times (eg ServerAliveInterval) while parsing
ssh_config and ~/.ssh/config so they work properly with Host directives.
From mario.lorenz@wincor-nixdorf.com via bz #1275. 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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[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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[canohost.c channels.c cipher-acss.c defines.h dns.c gss-genr.c]
[gss-serv-krb5.c gss-serv.c log.h loginrec.c logintest.c readconf.c]
[servconf.c ssh-keygen.c ssh-keyscan.c ssh-keysign.c ssh-rand-helper.c]
[ssh.c sshconnect.c sshd.c openbsd-compat/bindresvport.c]
[openbsd-compat/bsd-arc4random.c openbsd-compat/bsd-misc.c]
[openbsd-compat/getrrsetbyname.c openbsd-compat/glob.c]
[openbsd-compat/mktemp.c openbsd-compat/port-linux.c]
[openbsd-compat/port-tun.c openbsd-compat/readpassphrase.c]
[openbsd-compat/setproctitle.c openbsd-compat/xmmap.c]
make the portable tree compile again - sprinkle unistd.h and string.h
back in. Don't redefine __unused, as it turned out to be used in
headers on Linux, and replace its use in auth-pam.c with ARGSUSED
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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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[authfd.c authfile.c channels.c cleanup.c clientloop.c groupaccess.c]
[includes.h log.c misc.c msg.c packet.c progressmeter.c readconf.c]
[readpass.c scp.c servconf.c sftp-client.c sftp-server.c sftp.c]
[ssh-add.c ssh-agent.c ssh-keygen.c ssh-keyscan.c ssh-keysign.c ssh.c]
[sshconnect.c sshlogin.c sshpty.c uidswap.c]
move #include <unistd.h> out of includes.h
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[auth-options.c canohost.c channels.c includes.h readconf.c servconf.c ssh-keyscan.c ssh.c sshconnect.c sshd.c]
move #include <netdb.h> out of includes.h; ok djm@
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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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[clientloop.c ssh.1 ssh.c channels.c ssh_config.5 readconf.h session.c
channels.h readconf.c]
add ExitOnForwardFailure: terminate the connection if ssh(1)
cannot set up all requested dynamic, local, and remote port
forwardings. ok djm, dtucker, stevesk, jmc
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[canohost.c hostfile.c includes.h misc.c packet.c readconf.c]
[serverloop.c sshconnect.c uuencode.c]
move #include <netinet/in.h> out of includes.h; ok deraadt@
(also ssh-rand-helper.c logintest.c loginrec.c)
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http://www.sxw.org.uk/computing/patches/openssh-4.3p2-gsskex-20060223.patch
(closes: #352042).
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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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[dh.c readconf.c servconf.c]
potential NULL pointer dereferences detected by Coverity
via elad AT netbsd.org; ok deraadt@
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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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[canohost.c clientloop.c includes.h match.c readconf.c scp.c ssh.c]
[sshconnect.c]
move #include <ctype.h> out of includes.h; ok djm@
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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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[readconf.c]
raise error when the user specifies a RekeyLimit that is smaller than 16
(the smallest of our cipher's blocksize) or big enough to cause integer
wraparound; ok & feedback dtucker@
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[auth-options.c includes.h misc.c misc.h readconf.c servconf.c]
[serverloop.c ssh.c ssh_config.5 sshd_config.5 configure.ac]
two changes to the new ssh tunnel support. this breaks compatibility
with the initial commit but is required for a portable approach.
- make the tunnel id u_int and platform friendly, use predefined types.
- support configuration of layer 2 (ethernet) or layer 3
(point-to-point, default) modes. configuration is done using the
Tunnel (yes|point-to-point|ethernet|no) option is ssh_config(5) and
restricted by the PermitTunnel (yes|point-to-point|ethernet|no) option
in sshd_config(5).
ok djm@, man page bits by jmc@
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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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[readconf.c]
listen_hosts initialisation here too; spotted greg AT y2005.nest.cx
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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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question contains only the file's owner (closes: #314347).
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[clientloop.c readconf.c readconf.h ssh.c ssh_config.5]
add ControlMaster=auto/autoask options to support opportunistic
multiplexing; tested avsm@ and jakob@, ok markus@
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[readconf.c servconf.c]
check return value from strdelim() for NULL (AddressFamily); mpech
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[misc.c ssh-keygen.c servconf.c clientloop.c auth-options.c ssh-add.c
monitor.c sftp-client.c bufaux.h hostfile.c ssh.c sshconnect.c channels.c
readconf.c bufaux.c sftp.c]
spacing
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[readconf.c]
Check listen addresses for null, prevents xfree from dying during
ClearAllForwardings (bz #996). From Craig Leres, ok markus@
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[readconf.c]
fix SendEnv config parsing bug found by Roumen Petrov; ok dtucker@
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[hostfile.c hostfile.h readconf.c readconf.h ssh.1 ssh_config.5]
[sshconnect.c sshd.8]
add support for hashing host names and addresses added to known_hosts
files, to improve privacy of which hosts user have been visiting; ok
markus@ deraadt@
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[auth-options.c channels.c channels.h clientloop.c compat.c compat.h]
[misc.c misc.h readconf.c readconf.h servconf.c ssh.1 ssh.c ssh_config.5]
[sshd_config.5]
bz#413: allow optional specification of bind address for port forwardings.
Patch originally by Dan Astorian, but worked on by several people
Adds GatewayPorts=clientspecified option on server to allow remote
forwards to bind to client-specified ports.
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[channels.c cipher.c clientloop.c clientloop.h compat.h moduli.c
readconf.c nchan.c pathnames.h progressmeter.c readconf.h servconf.c
session.c sftp-client.c sftp.c ssh-agent.1 ssh-keygen.c ssh.c ssh1.h
sshd.c ttymodes.h]
spaces
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[clientloop.c misc.h readconf.c readpass.c ssh.c ssh_config.5]
Add option for confirmation (ControlMaster=ask) via ssh-askpass before
opening shared connections; ok markus@
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[channels.c channels.h clientloop.c clientloop.h includes.h readconf.c]
[readconf.h scp.1 sftp.1 ssh.1 ssh.c ssh_config.5]
implement session multiplexing in the client (the server has supported
this since 2.0); ok markus@
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[readconf.c]
Kill dead code after fatal(); ok djm@
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[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@
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[readconf.c readconf.h ssh-keysign.c ssh.c]
perform strict ownership and modes checks for ~/.ssh/config files,
as these can be used to execute arbitrary programs; ok markus@
NB. ssh will now exit when it detects a config with poor permissions
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of 3.7 and earlier, since it seems immature and causes far too many
problems with existing setups. See README.Debian for details
(closes: #237021).
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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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extensively yet.
ProtocolKeepAlives is now just a compatibility alias for
ServerAliveInterval.
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