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2010-08-23* New upstream release (http://www.openssh.com/txt/release-5.6):Colin Watson
- Added a ControlPersist option to ssh_config(5) that automatically starts a background ssh(1) multiplex master when connecting. This connection can stay alive indefinitely, or can be set to automatically close after a user-specified duration of inactivity (closes: #335697, #350898, #454787, #500573, #550262). - Support AuthorizedKeysFile, AuthorizedPrincipalsFile, HostbasedUsesNameFromPacketOnly, and PermitTunnel in sshd_config(5) Match blocks (closes: #549858). - sftp(1): fix ls in working directories that contain globbing characters in their pathnames (LP: #530714).
2010-08-23Import 5.6p1 tarballColin Watson
2010-08-16 - (dtucker) [configure.ac openbsd-compat/Makefile.inDarren Tucker
openbsd-compat/openbsd-compat.h openbsd-compat/strptime.c] Add strptime to the compat library which helps on platforms like old IRIX. Based on work by djm, tested by Tom Christensen.
2010-08-10 - (djm) bz#1561: don't bother setting IFF_UP on tun(4) device if it isDamien Miller
already set. Makes FreeBSD user openable tunnels useful; patch from richard.burakowski+ossh AT mrburak.net, ok dtucker@
2010-06-26 - (tim) [openbsd-compat/port-uw.c] Reorder includes. auth-options.h now needsTim Rice
key.h.
2010-05-12 - (djm) [openbsd-compat/openssl-compat.h] Fix build breakage on olderDamien Miller
libcrypto by defining OPENSSL_[DR]SA_MAX_MODULUS_BITS if they aren't already. ok dtucker@
2010-04-16* New upstream release:Colin Watson
- Unbreak sshd_config's AuthorizedKeysFile option for $HOME-relative paths. - Include a language tag when sending a protocol 2 disconnection message. - Make logging of certificates used for user authentication more clear and consistent between CAs specified using TrustedUserCAKeys and authorized_keys.
2010-04-16Import 5.5p1 tarballColin Watson
2010-04-06Borrow patch from Fedora to add DNSSEC support: if glibc 2.11 isColin Watson
installed, the host key is published in an SSHFP RR secured with DNSSEC, and VerifyHostKeyDNS=yes, then ssh will no longer prompt for host key verification (closes: #572049).
2010-03-31* New upstream release (LP: #535029).Colin Watson
- After a transition period of about 10 years, this release disables SSH protocol 1 by default. Clients and servers that need to use the legacy protocol must explicitly enable it in ssh_config / sshd_config or on the command-line. - Remove the libsectok/OpenSC-based smartcard code and add support for PKCS#11 tokens. This support is enabled by default in the Debian packaging, since it now doesn't involve additional library dependencies (closes: #231472, LP: #16918). - Add support for certificate authentication of users and hosts using a new, minimal OpenSSH certificate format (closes: #482806). - Added a 'netcat mode' to ssh(1): "ssh -W host:port ...". - Add the ability to revoke keys in sshd(8) and ssh(1). (For the Debian package, this overlaps with the key blacklisting facility added in openssh 1:4.7p1-9, but with different file formats and slightly different scopes; for the moment, I've roughly merged the two.) - Various multiplexing improvements, including support for requesting port-forwardings via the multiplex protocol (closes: #360151). - Allow setting an explicit umask on the sftp-server(8) commandline to override whatever default the user has (closes: #496843). - Many sftp client improvements, including tab-completion, more options, and recursive transfer support for get/put (LP: #33378). The old mget/mput commands never worked properly and have been removed (closes: #270399, #428082). - Do not prompt for a passphrase if we fail to open a keyfile, and log the reason why the open failed to debug (closes: #431538). - Prevent sftp from crashing when given a "-" without a command. Also, allow whitespace to follow a "-" (closes: #531561).
2010-03-31Import 5.4p1 tarballColin Watson
2010-03-26 - (djm) [openbsd-compat/bsd-arc4random.c] Fix preprocessor detectionDamien Miller
for arc4random_buf() and arc4random_uniform(); from Josh Gilkerson
2010-03-01 - (dtucker) [openbsd-compat/port-linux.c] Make failure to write to the OOMDarren Tucker
adjust log at verbose only, since according to cjwatson in bug #1470 some virtualization platforms don't allow writes.
2010-02-28 - (djm) [openbsd-compat/bsd-cygwin_util.c] Reduce the set of environmentDamien Miller
variables copied into sshd child processes. From vinschen AT redhat.com
2010-01-29 - (dtucker) [openbsd-compat/openssl-compat.c] Bug #1707: Call OPENSSL_config()Darren Tucker
after registering the hardware engines, which causes the openssl.cnf file to be processed. See OpenSSL's man page for OPENSSL_config(3) for details. Patch from Solomon Peachy, ok djm@.
2010-01-24* New upstream release.Colin Watson
* Update to GSSAPI patch from http://www.sxw.org.uk/computing/patches/openssh-5.3p1-gsskex-all-20100124.patch.
2010-01-24Import 5.3p1 tarballColin Watson
2010-01-16 - (dtucker) [openbsd-compat/openbsd-compat.h] Typo.Darren Tucker
2010-01-16 - (dtucker) [openbsd-compat/pwcache.c] Shrink ifdef area to prevent unusedDarren Tucker
variable warnings.
2010-01-16 - (dtucker) [openbsd-compat/openbsd-compat.h] Fix prototypes, spotted byDarren Tucker
Tim.
2010-01-16 - (dtucker) [openbsd-compat/openbsd-compat.h] Prototypes for user_from_uidDarren Tucker
and group_from_gid.
2010-01-16 - (dtucker) [openbsd-compat/pwcache.c] Pull in includes.h and thus defines.hDarren Tucker
so we correctly detect whether or not we have a native user_from_uid.
2010-01-15 - (dtucker) [configure.ac openbsd-compat/{Makefile.in,pwcache.c} PortabilityDarren Tucker
for pwcache. Also, added caching of negative hits.
2010-01-15 - (dtucker) [openbsd-compat.c/pwcache.c] Pull in pwcache.c from OpenBSD (noDarren Tucker
changes yet but there will be some to come).
2010-01-13 - (dtucker) [openbsd-compat/readpassphrase.c] Update to OpenBSD's r1.22.Darren Tucker
Fixes bz #1590, where sometimes you could not interrupt a connection while ssh was prompting for a passphrase or password.
2010-01-13 - (dtucker) [openbsd-compat/readpassphrase.c] Update to OpenBSD's r1.21.Darren Tucker
2010-01-13 - (dtucker) [openbsd-compat/readpassphrase.c] Resync against OpenBSD's ↵Darren Tucker
r1.18: missing restore of SIGTTOU and some whitespace.
2010-01-02Initialise sc to NULL in ssh_selinux_getctxbyname (thanks, Václav Ovsík;Colin Watson
closes: #498684).
2010-01-01* New upstream release (closes: #536182). Yes, I know 5.3p1 has been outColin Watson
for a while, but there's no GSSAPI patch available for it yet. - Change the default cipher order to prefer the AES CTR modes and the revised "arcfour256" mode to CBC mode ciphers that are susceptible to CPNI-957037 "Plaintext Recovery Attack Against SSH". - Add countermeasures to mitigate CPNI-957037-style attacks against the SSH protocol's use of CBC-mode ciphers. Upon detection of an invalid packet length or Message Authentication Code, ssh/sshd will continue reading up to the maximum supported packet length rather than immediately terminating the connection. This eliminates most of the known differences in behaviour that leaked information about the plaintext of injected data which formed the basis of this attack (closes: #506115, LP: #379329). - ForceCommand directive now accepts commandline arguments for the internal-sftp server (closes: #524423, LP: #362511). - Add AllowAgentForwarding to available Match keywords list (closes: #540623). - Make ssh(1) send the correct channel number for SSH2_MSG_CHANNEL_SUCCESS and SSH2_MSG_CHANNEL_FAILURE messages to avoid triggering 'Non-public channel' error messages on sshd(8) in openssh-5.1. - Avoid printing 'Non-public channel' warnings in sshd(8), since the ssh(1) has sent incorrect channel numbers since ~2004 (this reverts a behaviour introduced in openssh-5.1; closes: #496017). * Update to GSSAPI patch from http://www.sxw.org.uk/computing/patches/openssh-5.2p1-gsskex-all-20090726.patch, including cascading credentials support (LP: #416958).
2010-01-01Import 5.2p1 tarballColin Watson
2009-12-21 - (dtucker) [auth-krb5.c platform.{c,h} openbsd-compat/port-aix.{c,h}]Darren Tucker
Bug #1583: Use system's kerberos principal name on AIX if it's available. Based on a patch from and tested by Miguel Sanders.
2009-12-08 - (dtucker) Bug #1470: Disable OOM-killing of the listening sshd on Linux,Darren Tucker
based on a patch from Vaclav Ovsik and Colin Watson. ok djm.
2009-10-24 - (dtucker) [session.c openbsd-compat/port-linux.{c,h}] Bug #1637: if selinuxDarren Tucker
is enabled set the security context to "sftpd_t" before running the internal sftp server Based on a patch from jchadima at redhat.
2009-08-20 - (dtucker) [session.c openbsd-compat/port-aix.h] Bugs #1249 and #1567: moveDarren Tucker
the setpcred call on AIX to immediately before the permanently_set_uid(). Ensures that we still have privileges when we call chroot and pam_open_sesson. Based on a patch from David Leonard.
2009-08-17 - (dtucker) [sshlogin.c openbsd-compat/port-aix.{c,h}] Bug #1595: makeDarren Tucker
PrintLastLog work on AIX. Based in part on a patch from Miguel Sanders.
2009-07-13 - (dtucker) [openbsd-compat/getrrsetbyname.c] Reduce answer buffer size so itDarren Tucker
fits into 16 bits to work around a bug in glibc's resolver where it masks off the buffer size at 16 bits. Patch from Hauke Lampe, ok djm jakob.
2009-03-08 - (dtucker) [auth-passwd.c auth1.c auth2-kbdint.c auth2-none.c auth2-passwd.cDarren Tucker
auth2-pubkey.c session.c openbsd-compat/bsd-cygwin_util.{c,h} openbsd-compat/daemon.c] Remove support for Windows 95/98/ME and very old version of Cygwin. Patch from vinschen at redhat com.
2009-03-07 - (dtucker) [configure.ac openbsd-compat/openssl-compat.{c,h}]Darren Tucker
EVP_DigestUpdate does not exactly match the other OLD_EVP functions (eg in openssl 0.9.6) so add an explicit test for it.
2009-03-07 - (dtucker) [schnorr.c openbsd-compat/openssl-compat.{c,h}] AddDarren Tucker
EVP_DigestUpdate to the OLD_EVP compatibility functions and tell schnorr.c to use them. Allows building with older OpenSSL versions.
2009-02-16 - (djm) [regress/conch-ciphers.sh regress/putty-ciphers.sh]Damien Miller
[regress/putty-kex.sh regress/putty-transfer.sh] Downgrade disabled interop tests from FATAL error to a warning. Allows some interop tests to proceed if others are missing necessary prerequisites.
2009-01-14Open /proc/self/oom_adj with O_RDONLY or O_WRONLY as necessary, ratherColin Watson
than O_RDWR.
2009-01-07 - (tim) [configure.ac defines.h openbsd-compat/port-uw.cTim Rice
openbsd-compat/xcrypt.c] Add SECUREWARE support to OpenServer 6 SVR5 ABI. OK djm@ dtucker@
2008-08-30 - (dtucker) [openbsd-compat/bsd-poll.c] correctly check for number of FDsDarren Tucker
larger than FD_SETSIZE (OpenSSH only ever uses poll with one fd). Patch from Nicholas Marriott.
2008-07-22* New upstream release (closes: #474301). Important changes not previouslyColin Watson
backported to 4.7p1: - 4.9/4.9p1 (http://www.openssh.com/txt/release-4.9): + Added chroot(2) support for sshd(8), controlled by a new option "ChrootDirectory" (closes: #139047, LP: #24777). + Linked sftp-server(8) into sshd(8). The internal sftp server is used when the command "internal-sftp" is specified in a Subsystem or ForceCommand declaration. When used with ChrootDirectory, the internal sftp server requires no special configuration of files inside the chroot environment. + Added a protocol extension method "posix-rename@openssh.com" for sftp-server(8) to perform POSIX atomic rename() operations; sftp(1) prefers this if available (closes: #308561). + Removed the fixed limit of 100 file handles in sftp-server(8). + ssh(8) will now skip generation of SSH protocol 1 ephemeral server keys when in inetd mode and protocol 2 connections are negotiated. This speeds up protocol 2 connections to inetd-mode servers that also allow Protocol 1. + Accept the PermitRootLogin directive in a sshd_config(5) Match block. Allows for, e.g. permitting root only from the local network. + Reworked sftp(1) argument splitting and escaping to be more internally consistent (i.e. between sftp commands) and more consistent with sh(1). Please note that this will change the interpretation of some quoted strings, especially those with embedded backslash escape sequences. + Support "Banner=none" in sshd_config(5) to disable sending of a pre-login banner (e.g. in a Match block). + ssh(1) ProxyCommands are now executed with $SHELL rather than /bin/sh. + ssh(1)'s ConnectTimeout option is now applied to both the TCP connection and the SSH banner exchange (previously it just covered the TCP connection). This allows callers of ssh(1) to better detect and deal with stuck servers that accept a TCP connection but don't progress the protocol, and also makes ConnectTimeout useful for connections via a ProxyCommand. + scp(1) incorrectly reported "stalled" on slow copies (closes: #140828). + scp(1) date underflow for timestamps before epoch. + ssh(1) used the obsolete SIG DNS RRtype for host keys in DNS, instead of the current standard RRSIG. + Correctly drain ACKs when a sftp(1) upload write fails midway, avoids a fatal() exit from what should be a recoverable condition. + Fixed ssh-keygen(1) selective host key hashing (i.e. "ssh-keygen -HF hostname") to not include any IP address in the data to be hashed. + Make ssh(1) skip listening on the IPv6 wildcard address when a binding address of 0.0.0.0 is used against an old SSH server that does not support the RFC4254 syntax for wildcard bind addresses. + Enable IPV6_V6ONLY socket option on sshd(8) listen socket, as is already done for X11/TCP forwarding sockets (closes: #439661). + Fix FD leak that could hang a ssh(1) connection multiplexing master. + Make ssh(1) -q option documentation consistent with reality. + Fixed sshd(8) PAM support not calling pam_session_close(), or failing to call it with root privileges (closes: #372680). + Fix activation of OpenSSL engine support when requested in configure (LP: #119295). - 5.1/5.1p1 (http://www.openssh.com/txt/release-5.1): + Introduce experimental SSH Fingerprint ASCII Visualisation to ssh(1) and ssh-keygen(1). Visual fingerprint display is controlled by a new ssh_config(5) option "VisualHostKey". The intent is to render SSH host keys in a visual form that is amenable to easy recall and rejection of changed host keys. + sshd_config(5) now supports CIDR address/masklen matching in "Match address" blocks, with a fallback to classic wildcard matching. + sshd(8) now supports CIDR matching in ~/.ssh/authorized_keys from="..." restrictions, also with a fallback to classic wildcard matching. + Added an extended test mode (-T) to sshd(8) to request that it write its effective configuration to stdout and exit. Extended test mode also supports the specification of connection parameters (username, source address and hostname) to test the application of sshd_config(5) Match rules. + ssh(1) now prints the number of bytes transferred and the overall connection throughput for SSH protocol 2 sessions when in verbose mode (previously these statistics were displayed for protocol 1 connections only). + sftp-server(8) now supports extension methods statvfs@openssh.com and fstatvfs@openssh.com that implement statvfs(2)-like operations. + sftp(1) now has a "df" command to the sftp client that uses the statvfs@openssh.com to produce a df(1)-like display of filesystem space and inode utilisation (requires statvfs@openssh.com support on the server). + Added a MaxSessions option to sshd_config(5) to allow control of the number of multiplexed sessions supported over a single TCP connection. This allows increasing the number of allowed sessions above the previous default of 10, disabling connection multiplexing (MaxSessions=1) or disallowing login/shell/subsystem sessions entirely (MaxSessions=0). + Added a no-more-sessions@openssh.com global request extension that is sent from ssh(1) to sshd(8) when the client knows that it will never request another session (i.e. when session multiplexing is disabled). This allows a server to disallow further session requests and terminate the session in cases where the client has been hijacked. + ssh-keygen(1) now supports the use of the -l option in combination with -F to search for a host in ~/.ssh/known_hosts and display its fingerprint. + ssh-keyscan(1) now defaults to "rsa" (protocol 2) keys, instead of "rsa1". + Added an AllowAgentForwarding option to sshd_config(8) to control whether authentication agent forwarding is permitted. Note that this is a loose control, as a client may install their own unofficial forwarder. + ssh(1) and sshd(8): avoid unnecessary malloc/copy/free when receiving network data, resulting in a ~10% speedup. + ssh(1) and sshd(8) will now try additional addresses when connecting to a port forward destination whose DNS name resolves to more than one address. The previous behaviour was to try the only first address and give up if that failed. + ssh(1) and sshd(8) now support signalling that channels are half-closed for writing, through a channel protocol extension notification "eow@openssh.com". This allows propagation of closed file descriptors, so that commands such as "ssh -2 localhost od /bin/ls | true" do not send unnecessary data over the wire. + sshd(8): increased the default size of ssh protocol 1 ephemeral keys from 768 to 1024 bits. + When ssh(1) has been requested to fork after authentication ("ssh -f") with ExitOnForwardFailure enabled, delay the fork until after replies for any -R forwards have been seen. Allows for robust detection of -R forward failure when using -f. + "Match group" blocks in sshd_config(5) now support negation of groups. E.g. "Match group staff,!guests". + sftp(1) and sftp-server(8) now allow chmod-like operations to set set[ug]id/sticky bits. + The MaxAuthTries option is now permitted in sshd_config(5) match blocks. + Multiplexed ssh(1) sessions now support a subset of the ~ escapes that are available to a primary connection. + ssh(1) connection multiplexing will now fall back to creating a new connection in most error cases (closes: #352830). + Make ssh(1) deal more gracefully with channel requests that fail. Previously it would optimistically assume that requests would always succeed, which could cause hangs if they did not (e.g. when the server runs out of file descriptors). + ssh(1) now reports multiplexing errors via the multiplex slave's stderr where possible (subject to LogLevel in the mux master). + Prevent sshd(8) from erroneously applying public key restrictions leaned from ~/.ssh/authorized_keys to other authentication methods when public key authentication subsequently fails (LP: #161047). + Fixed an UMAC alignment problem that manifested on Itanium platforms.
2008-07-22Import OpenSSH 5.1p1.Colin Watson
2008-07-17 - (dtucker) [openbsd-compat/bsd-cygwin_util.c] Remove long-unneeded compatDarren Tucker
code, replace with equivalent cygwin library call. Patch from vinschen at redhat.comi, ok djm@.
2008-07-14 - (djm) [openbsd-compat/fake-rfc2553.c openbsd-compat/fake-rfc2553.h]Damien Miller
return EAI_FAMILY when trying to lookup unsupported address family; from vinschen AT redhat.com
2008-07-14 - (djm) [openbsd-compat/rresvport.c] Add unistd.h for missing close()Damien Miller
prototype; reported by cristian.ionescu-idbohrn AT axis.com
2008-07-14 - (djm) [openbsd-compat/bindresvport.c] Rename variables s/sin/in/ toDamien Miller
avoid clash with sin(3) function; reported by cristian.ionescu-idbohrn AT axis.com
2008-06-15 - (djm) [openbsd-compat/sigact.c] Avoid NULL derefs in ancient sigactionDamien Miller
replacement code; patch from ighighi AT gmail.com in bz#1240; ok dtucker