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2018-10-20"LogLevel SILENT" compatibilityJonathan David Amery
"LogLevel SILENT" (-qq) was introduced in Debian openssh 1:3.0.1p1-1 to match the behaviour of non-free SSH, in which -q does not suppress fatal errors. However, this was unintentionally broken in 1:4.6p1-2 and nobody complained, so we've dropped most of it. The parts that remain are basic configuration file compatibility, and an adjustment to "Pseudo-terminal will not be allocated ..." which should be split out into a separate patch. Author: Matthew Vernon <matthew@debian.org> Author: Colin Watson <cjwatson@debian.org> Last-Update: 2013-09-14 Patch-Name: syslog-level-silent.patch
2018-10-20Various keepalive extensionsRichard Kettlewell
Add compatibility aliases for ProtocolKeepAlives and SetupTimeOut, supported in previous versions of Debian's OpenSSH package but since superseded by ServerAliveInterval. (We're probably stuck with this bit for compatibility.) In batch mode, default ServerAliveInterval to five minutes. Adjust documentation to match and to give some more advice on use of keepalives. Author: Ian Jackson <ian@chiark.greenend.org.uk> Author: Matthew Vernon <matthew@debian.org> Author: Colin Watson <cjwatson@debian.org> Last-Update: 2018-10-19 Patch-Name: keepalive-extensions.patch
2018-10-20Accept obsolete ssh-vulnkey configuration optionsColin Watson
These options were used as part of Debian's response to CVE-2008-0166. Nearly six years later, we no longer need to continue carrying the bulk of that patch, but we do need to avoid failing when the associated configuration options are still present. Last-Update: 2014-02-09 Patch-Name: ssh-vulnkey-compat.patch
2018-10-20Handle SELinux authorisation rolesManoj Srivastava
Rejected upstream due to discomfort with magic usernames; a better approach will need an SSH protocol change. In the meantime, this came from Debian's SELinux maintainer, so we'll keep it until we have something better. Bug: https://bugzilla.mindrot.org/show_bug.cgi?id=1641 Bug-Debian: http://bugs.debian.org/394795 Last-Update: 2018-08-24 Patch-Name: selinux-role.patch
2018-10-20Restore TCP wrappers supportColin Watson
Support for TCP wrappers was dropped in OpenSSH 6.7. See this message and thread: https://lists.mindrot.org/pipermail/openssh-unix-dev/2014-April/032497.html It is true that this reduces preauth attack surface in sshd. On the other hand, this support seems to be quite widely used, and abruptly dropping it (from the perspective of users who don't read openssh-unix-dev) could easily cause more serious problems in practice. It's not entirely clear what the right long-term answer for Debian is, but it at least probably doesn't involve dropping this feature shortly before a freeze. Forwarded: not-needed Last-Update: 2018-08-24 Patch-Name: restore-tcp-wrappers.patch
2018-10-20GSSAPI key exchange supportSimon Wilkinson
This patch has been rejected upstream: "None of the OpenSSH developers are in favour of adding this, and this situation has not changed for several years. This is not a slight on Simon's patch, which is of fine quality, but just that a) we don't trust GSSAPI implementations that much and b) we don't like adding new KEX since they are pre-auth attack surface. This one is particularly scary, since it requires hooks out to typically root-owned system resources." However, quite a lot of people rely on this in Debian, and it's better to have it merged into the main openssh package rather than having separate -krb5 packages (as we used to have). It seems to have a generally good security history. Bug: https://bugzilla.mindrot.org/show_bug.cgi?id=1242 Last-Updated: 2018-10-20 Patch-Name: gssapi.patch
2018-10-19Import openssh_7.9p1.orig.tar.gzColin Watson
2018-10-17Require OpenSSL 1.1.x series 1.1.0g or greaterDamien Miller
Previous versions have a bug with EVP_CipherInit() when passed a NULL EVP_CIPHER, per https://github.com/openssl/openssl/pull/4613 ok dtucker@
2018-10-17unbreak compilation with --with-ssl-engineDamien Miller
Missing last argument to OPENSSL_init_crypto()
2018-10-16Remove gcc spectre mitigation flags.Darren Tucker
Current impementions of the gcc spectre mitigation flags cause miscompilations when combined with other flags and do not provide much protection. Found by fweimer at redhat.com, ok djm@
2018-10-16Avoid deprecated OPENSSL_config when using 1.1.xDamien Miller
OpenSSL 1.1.x soft-deprecated OPENSSL_config in favour of OPENSSL_init_crypto; pointed out by Jakub Jelen
2018-10-12Don't avoid our *sprintf replacements.Darren Tucker
Don't let systems with broken printf(3) avoid our replacements via asprintf(3)/vasprintf(3) calling libc internally. From djm@
2018-10-12Check if snprintf understands %zu.Darren Tucker
If the platforms snprintf and friends don't understand %zu, use the compat replacement. Prevents segfaults on those platforms.
2018-10-12remove stale link, tweakDamien Miller
2018-10-12update version numbers ahead of releaseDamien Miller
2018-10-12upstream: don't send new-style rsa-sha2-*-cert-v01@openssh.com names todjm@openbsd.org
older OpenSSH that can't handle them. spotted by Adam Eijdenberg; ok dtucker OpenBSD-Commit-ID: 662bbc402e3d7c9b6c322806269698106a6ae631
2018-10-11update dependsDamien Miller
2018-10-11some more duplicated key algorithm linesDamien Miller
From Adam Eijdenberg
2018-10-11fix duplicated algorithm specification linesDamien Miller
Spotted by Adam Eijdenberg
2018-10-11upstream: typo in plain RSA algorithm counterpart names fordjm@openbsd.org
certificates; spotted by Adam Eijdenberg; ok dtucker@ OpenBSD-Commit-ID: bfcdeb6f4fc9e7607f5096574c8f118f2e709e00
2018-10-11check pw_passwd != NULL here tooDamien Miller
Again, for systems with broken NIS implementations. Prompted by coolbugcheckers AT gmail.com
2018-10-11check for NULL return from shadow_pw()Damien Miller
probably unreachable on this platform; pointed out by coolbugcheckers AT gmail.com
2018-10-11upstream: introducing openssh 7.9deraadt@openbsd.org
OpenBSD-Commit-ID: 42d526a9fe01a40dd299ac58014d3349adf40e25
2018-10-11supply callback to PEM_read_bio_PrivateKeyDamien Miller
OpenSSL 1.1.0i has changed the behaviour of their PEM APIs, so that empty passphrases are interpreted differently. This probabalistically breaks loading some keys, because the PEM format is terrible and doesn't include a proper MAC. Avoid this by providing a basic callback to avoid passing empty passphrases to OpenSSL in cases where one is required. Based on patch from Jakub Jelen in bz#2913; ok dtucker@
2018-10-10in pick_salt() avoid dereference of NULL passwordsDamien Miller
Apparently some NIS implementations can leave pw->pw_passwd (or the shadow equivalent) NULL. bz#2909; based on patch from Todd Eigenschink
2018-10-09upstream: Treat all PEM_read_bio_PrivateKey() errors when a passphrasedjm@openbsd.org
is specified as "incorrect passphrase" instead of trying to choose between that and "invalid format". libcrypto can return ASN1 parsing errors rather than the expected decrypt error in certain infrequent cases when trying to decrypt/parse PEM private keys when supplied with an invalid passphrase. Report and repro recipe from Thomas Deutschmann in bz#2901 ok markus@ OpenBSD-Commit-ID: b1d4cd92395f9743f81c0d23aab2524109580870
2018-10-07upstream: Support using service names for port numbers.naddy@openbsd.org
* Try to resolve a port specification with getservbyname(3) if a numeric conversion fails. * Make the "Port" option in ssh_config handle its argument as a port rather than a plain integer. ok dtucker@ deraadt@ OpenBSD-Commit-ID: e7f03633133205ab3dfbc67f9df7475fabae660d
2018-10-04upstream: when the peer sends a channel-close message, make sure wedjm@openbsd.org
close the local extended read fd (stderr) along with the regular read fd (stdout). Avoids weird stuck processed in multiplexing mode. Report and analysis by Nelson Elhage and Geoffrey Thomas in bz#2863 ok dtucker@ markus@ OpenBSD-Commit-ID: a48a2467fe938de4de69d2e7193d5fa701f12ae9
2018-10-04upstream: factor out channel status formatting fromdjm@openbsd.org
channel_open_message() so we can use it in other debug messages OpenBSD-Commit-ID: 9c3903ca28fcabad57f566c9d0045b41ab7d52ba
2018-10-04upstream: include a little more information about the status anddjm@openbsd.org
disposition of channel's extended (stderr) fd; makes debugging some things a bit easier. No behaviour change. OpenBSD-Commit-ID: 483eb6467dc7d5dbca8eb109c453e7a43075f7ce
2018-10-04upstream: explicit_bzero here to be consistent with other kex*.c;djm@openbsd.org
report from coolbugcheckers AT gmail.com OpenBSD-Commit-ID: a90f146c5b5f5b1408700395e394f70b440856cb
2018-10-03upstream: Allow ssh_config IdentityAgent directive to acceptdjm@openbsd.org
environment variable names as well as explicit paths. ok dtucker@ OpenBSD-Commit-ID: 2f0996e103876c53d8c9dd51dcce9889d700767b
2018-10-02upstream: mention INFO@openssh.com for sending SIGINFOdjm@openbsd.org
OpenBSD-Commit-ID: 132471eeb0df658210afd27852fe65131b26e900
2018-10-02only support SIGINFO on systems with SIGINFODamien Miller
2018-10-02upstream: Add server support for signalling sessions via the SSHdjm@openbsd.org
channel/ session protocol. Signalling is only supported to sesssions that are not subsystems and were not started with a forced command. Long requested in bz#1424 Based on a patch from markus@ and reworked by dtucker@; ok markus@ dtucker@ OpenBSD-Commit-ID: 4bea826f575862eaac569c4bedd1056a268be1c3
2018-09-26upstream: remove big ugly TODO comment from start of file. Some ofdjm@openbsd.org
the mentioned tasks are obsolete and, of the remainder, most are already captured in PROTOCOL.mux where they better belong OpenBSD-Commit-ID: 16d9d76dee42a5bb651c9d6740f7f0ef68aeb407
2018-09-26upstream: Document mux proxy mode; added by Markus in openssh-7.4djm@openbsd.org
Also add a little bit of information about the overall packet format OpenBSD-Commit-ID: bdb6f6ea8580ef96792e270cae7857786ad84a95
2018-09-26upstream: s/process_mux_master/mux_master_process/ in mux masterdjm@openbsd.org
function names, Gives better symmetry with the existing mux_client_*() names and makes it more obvious when a message comes from the master vs client (they are interleved in ControlMaster=auto mode). no functional change beyond prefixing a could of log messages with __func__ where they were previously lacking. OpenBSD-Commit-ID: b01f7c3fdf92692e1713a822a89dc499333daf75
2018-09-22Remove unused variable in _ssh_compat_fflush.Darren Tucker
2018-09-22Import updated moduli.Darren Tucker
2018-09-21upstream: Allow ssh_config ForwardX11Timeout=0 to disable thedjm@openbsd.org
timeout and allow X11 connections in untrusted mode indefinitely. ok dtucker@ OpenBSD-Commit-ID: ea1ceed3f540b48e5803f933e59a03b20db10c69
2018-09-21upstream: when compiled with GSSAPI support, cache supported methoddjm@openbsd.org
OIDs by calling ssh_gssapi_prepare_supported_oids() regardless of whether GSSAPI authentication is enabled in the main config. This avoids sandbox violations for configurations that enable GSSAPI auth later, e.g. Match user djm GSSAPIAuthentication yes bz#2107; ok dtucker@ OpenBSD-Commit-ID: a5dd42d87c74e27cfb712b15b0f97ab20e0afd1d
2018-09-21upstream: In sshkey_in_file(), ignore keys that are considered fordjm@openbsd.org
being too short (i.e. SSH_ERR_KEY_LENGTH). These keys will not be considered to be "in the file". This allows key revocation lists to contain short keys without the entire revocation list being considered invalid. bz#2897; ok dtucker OpenBSD-Commit-ID: d9f3d857d07194a42ad7e62889a74dc3f9d9924b
2018-09-21upstream: Treat connections with ProxyJump specified the same as onesdjm@openbsd.org
with a ProxyCommand set with regards to hostname canonicalisation (i.e. don't try to canonicalise the hostname unless CanonicalizeHostname is set to 'always'). Patch from Sven Wegener via bz#2896 OpenBSD-Commit-ID: 527ff501cf98bf65fb4b29ed0cb847dda10f4d37
2018-09-21upstream: actually make CASignatureAlgorithms available as a configdjm@openbsd.org
option OpenBSD-Commit-ID: 93fa7ff58314ed7b1ab7744090a6a91232e6ae52
2018-09-21upstream: Import updated moduli.dtucker@openbsd.org
OpenBSD-Commit-ID: 04431e8e7872f49a2129bf080a6b73c19d576d40
2018-09-21upstream: reorder CASignatureAlgorithms, and add them to thejmc@openbsd.org
various -o lists; ok djm OpenBSD-Commit-ID: ecb88baecc3c54988b4d1654446ea033da359288
2018-09-20upstream: fix "ssh -Q sig" to show correct signature algorithm listdjm@openbsd.org
(it was erroneously showing certificate algorithms); prompted by markus@ OpenBSD-Commit-ID: 1cdee002f2f0c21456979deeb887fc889afb154d
2018-09-20upstream: add CASignatureAlgorithms option for the client, allowingdjm@openbsd.org
it to specify which signature algorithms may be used by CAs when signing certificates. Useful if you want to ban RSA/SHA1; ok markus@ OpenBSD-Commit-ID: 9159e5e9f67504829bf53ff222057307a6e3230f
2018-09-20upstream: Add sshd_config CASignatureAlgorithms option to allowdjm@openbsd.org
control over which signature algorithms a CA may use when signing certificates. In particular, this allows a sshd to ban certificates signed with RSA/SHA1. ok markus@ OpenBSD-Commit-ID: b05c86ef8b52b913ed48d54a9b9c1a7714d96bac
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