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2019-06-05Adjust various OpenBSD-specific references in manual pagesColin Watson
No single bug reference for this patch, but history includes: http://bugs.debian.org/154434 (login.conf(5)) http://bugs.debian.org/513417 (/etc/rc) http://bugs.debian.org/530692 (ssl(8)) https://bugs.launchpad.net/bugs/456660 (ssl(8)) Forwarded: not-needed Last-Update: 2017-10-04 Patch-Name: openbsd-docs.patch
2019-06-05Install authorized_keys(5) as a symlink to sshd(8)Tomas Pospisek
Bug: https://bugzilla.mindrot.org/show_bug.cgi?id=1720 Bug-Debian: http://bugs.debian.org/441817 Last-Update: 2013-09-14 Patch-Name: authorized-keys-man-symlink.patch
2019-06-05Add DebianBanner server configuration optionKees Cook
Setting this to "no" causes sshd to omit the Debian revision from its initial protocol handshake, for those scared by package-versioning.patch. Bug-Debian: http://bugs.debian.org/562048 Forwarded: not-needed Last-Update: 2019-06-05 Patch-Name: debian-banner.patch
2019-06-05Include the Debian version in our identificationMatthew Vernon
This makes it easier to audit networks for versions patched against security vulnerabilities. It has little detrimental effect, as attackers will generally just try attacks rather than bothering to scan for vulnerable-looking version strings. (However, see debian-banner.patch.) Forwarded: not-needed Last-Update: 2019-06-05 Patch-Name: package-versioning.patch
2019-06-05Mention ssh-keygen in ssh fingerprint changed warningScott Moser
Author: Chris Lamb <lamby@debian.org> Bug: https://bugzilla.mindrot.org/show_bug.cgi?id=1843 Bug-Ubuntu: https://bugs.launchpad.net/bugs/686607 Last-Update: 2017-08-22 Patch-Name: mention-ssh-keygen-on-keychange.patch
2019-06-05Force use of DNSSEC even if "options edns0" isn't in resolv.confColin Watson
This allows SSHFP DNS records to be verified if glibc 2.11 is installed. Origin: vendor, https://cvs.fedoraproject.org/viewvc/F-12/openssh/openssh-5.2p1-edns.patch?revision=1.1&view=markup Bug: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=572049 Bug-Debian: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=572049 Last-Update: 2010-04-06 Patch-Name: dnssec-sshfp.patch
2019-06-05Look for $SHELL on the path for ProxyCommand/LocalCommandColin Watson
There's some debate on the upstream bug about whether POSIX requires this. I (Colin Watson) agree with Vincent and think it does. Bug: https://bugzilla.mindrot.org/show_bug.cgi?id=1494 Bug-Debian: http://bugs.debian.org/492728 Last-Update: 2013-09-14 Patch-Name: shell-path.patch
2019-06-05Adjust scp quoting in verbose modeNicolas Valcárcel
Tweak scp's reporting of filenames in verbose mode to be a bit less confusing with spaces. This should be revised to mimic real shell quoting. Bug-Ubuntu: https://bugs.launchpad.net/bugs/89945 Last-Update: 2010-02-27 Patch-Name: scp-quoting.patch
2019-06-05Allow harmless group-writabilityColin Watson
Allow secure files (~/.ssh/config, ~/.ssh/authorized_keys, etc.) to be group-writable, provided that the group in question contains only the file's owner. Rejected upstream for IMO incorrect reasons (e.g. a misunderstanding about the contents of gr->gr_mem). Given that per-user groups and umask 002 are the default setup in Debian (for good reasons - this makes operating in setgid directories with other groups much easier), we need to permit this by default. Bug: https://bugzilla.mindrot.org/show_bug.cgi?id=1060 Bug-Debian: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=314347 Last-Update: 2019-06-05 Patch-Name: user-group-modes.patch
2019-06-05"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
2019-06-05Various 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
2019-06-05Accept 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
2019-06-05Handle 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: 2019-06-05 Patch-Name: selinux-role.patch
2019-06-05Restore 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: 2019-06-05 Patch-Name: restore-tcp-wrappers.patch
2019-06-05GSSAPI 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. Origin: other, https://github.com/openssh-gsskex/openssh-gsskex/commits/debian/master Bug: https://bugzilla.mindrot.org/show_bug.cgi?id=1242 Last-Updated: 2019-06-05 Patch-Name: gssapi.patch
2019-06-05Import openssh_8.0p1.orig.tar.gzColin Watson
2019-04-18makedependDamien Miller
2019-04-05second thoughts: leave README in placeDamien Miller
A number of contrib/* files refer to the existing README so let's leave it in place for release and add the new markdown version in parallel. I'll get rid of README after release.
2019-04-05Revert "rewrite README"Damien Miller
This reverts commit 9444d82678cb7781820da4d1c23b3c2b9fb1e12f.
2019-04-05rewrite READMEDamien Miller
Include basic build instructions and comments on commonly-used build- time flags, links to the manual pages and other resources. Now in Markdown format for better viewing on github, etc.
2019-04-05update versionsDamien Miller
2019-04-05upstream: openssh-8.0djm@openbsd.org
OpenBSD-Commit-ID: 5aafdf218679dab982fea20771afd643be9a127b
2019-04-04session: Do not use removed APIDamien Miller
from Jakub Jelen
2019-04-03upstream: when logging/fataling on error, include a bit more detaildjm@openbsd.org
than just the function name and the error message OpenBSD-Commit-ID: dd72d7eba2215fcb89be516c378f633ea5bcca9f
2019-04-03Remove "struct ssh" from sys_auth_record_login.Darren Tucker
It's not needed, and is not available from the call site in loginrec.c Should only affect AIX, spotted by Kevin Brott.
2019-04-02Adapt custom_failed_login to new prototype.Darren Tucker
Spotted by Kevin Brott.
2019-04-01Add includes.h for compat layer.Darren Tucker
Should fix build on AIX 7.2.
2019-03-31Stop USL compilers for erroring with "integral constant expression expected"Tim Rice
2019-03-31Only use O_NOFOLLOW in fchownat and fchmodat if definedTim Rice
2019-03-29Adjust softhsm2 path on Fedora Linux for regressJakub Jelen
The SoftHSM lives in Fedora in /usr/lib64/pkcs11/libsofthsm2.so
2019-03-28Only use O_NOFOLLOW in utimensat if defined.Darren Tucker
Fixes build on systems that don't have it (Solaris <=9) Found by Tom G. Christensen.
2019-03-28drop old Cygwin considerationsCorinna Vinschen
- Cygwin supports non-DOS characters in filenames - Cygwin does not support Windows XP anymore Signed-off-by: Corinna Vinschen <vinschen@redhat.com>
2019-03-27upstream: fix interaction between ClientAliveInterval and RekeyLimitdjm@openbsd.org
that could cause connection to close incorrectly; Report and patch from Jakub Jelen in bz#2757; ok dtucker@ markus@ OpenBSD-Commit-ID: 17229a8a65bd8e6c2080318ec2b7a61e1aede3fb
2019-03-26upstream: Fix authentication failures when "AuthenticationMethodsdjm@openbsd.org
any" in a Match block overrides a more restrictive global default. Spotted by jmc@, ok markus@ OpenBSD-Commit-ID: a90a4fe2ab81d0eeeb8fdfc21af81f7eabda6666
2019-03-26upstream: whitespacedjm@openbsd.org
OpenBSD-Commit-ID: 106e853ae8a477e8385bc53824d3884a8159db07
2019-03-26upstream: Expand comment to document rationale for default keydtucker@openbsd.org
sizes. "seems worthwhile" deraadt. OpenBSD-Commit-ID: 72e5c0983d7da1fb72f191870f36cb58263a2456
2019-03-26upstream: Increase the default RSA key size to 3072 bits. Based ondtucker@openbsd.org
the estimates from NIST Special Publication 800-57, 3k bits provides security equivalent to 128 bits which is the smallest symmetric cipher we enable by default. ok markus@ deraadt@ OpenBSD-Commit-ID: 461dd32ebe808f88f4fc3ec74749b0e6bef2276b
2019-03-26upstream: full stop in the wrong place;jmc@openbsd.org
OpenBSD-Commit-ID: 478a0567c83553a2aebf95d0f1bd67ac1b1253e4
2019-03-26upstream: benno helped me clean up the tcp forwarding section;jmc@openbsd.org
OpenBSD-Commit-ID: d4bec27edefde636fb632b7f0b7c656b9c7b7f08
2019-03-26upstream: fix use-after-free in ssh-pkcs11; found by hshoexer w/AFLmarkus@openbsd.org
OpenBSD-Commit-ID: febce81cca72b71f70513fbee4ff52ca050f675c
2019-03-14Fix build when configured --without-openssl.Darren Tucker
ok djm@
2019-03-14On Cygwin run sshd as SYSTEM where possible.Darren Tucker
Seteuid now creates user token using S4U. We don't create a token from scratch anymore, so we don't need the "Create a process token" privilege. The service can run under SYSTEM again... ...unless Cygwin is running on Windows Vista or Windows 7 in the WOW64 32 bit emulation layer. It turns out that WOW64 on these systems didn't implement MsV1_0 S4U Logon so we still need the fallback to NtCreateToken for these systems. Signed-off-by: Corinna Vinschen <vinschen@redhat.com>
2019-03-13Replace alloca with xcalloc.Darren Tucker
The latter checks for memory exhaustion and integer overflow and may be at a less predictable place. Sanity check by vinschen at redhat.com, ok djm@
2019-03-12Use Cygwin-specific matching only for users+groups.Darren Tucker
Patch from vinschen at redhat.com, updated a little by me.
2019-03-08upstream: Move checks for lists of users or groups into their owndtucker@openbsd.org
function. This is a no-op on OpenBSD but will make things easier in -portable, eg on systems where these checks should be case-insensitive. ok djm@ OpenBSD-Commit-ID: 8bc9c8d98670e23f8eaaaefe29c1f98e7ba0487e
2019-03-08upstream: Reset last-seen time when sending a keepalive. Preventsdtucker@openbsd.org
sending two keepalives successively and prematurely terminating connection when ClientAliveCount=1. While there, collapse two similar tests into one. ok markus@ OpenBSD-Commit-ID: 043670d201dfe222537a2a4bed16ce1087de5ddd
2019-03-08upstream: PKCS#11 support is no longer limited to RSA; ok benno@naddy@openbsd.org
kn@ OpenBSD-Commit-ID: 1a9bec64d530aed5f434a960e7515a3e80cbc826
2019-03-08upstream: in ssh_set_newkeys(), mention the direction that we'redjm@openbsd.org
keying in debug messages. Previously it would be difficult to tell which direction it was talking about OpenBSD-Commit-ID: c2b71bfcceb2a7389b9d0b497fb2122a406a522d
2019-03-01upstream: Fix two race conditions in sshd relating to SIGHUP:djm@openbsd.org
1. Recently-forked child processes will briefly remain listening to listen_socks. If the main server sshd process completes its restart via execv() before these sockets are closed by the child processes then it can fail to listen at the desired addresses/ports and/or fail to restart. 2. When a SIGHUP is received, there may be forked child processes that are awaiting their reexecution state. If the main server sshd process restarts before passing this state, these child processes will yield errors and use a fallback path of reading the current sshd_config from the filesystem rather than use the one that sshd was started with. To fix both of these cases, we reuse the startup_pipes that are shared between the main server sshd and forked children. Previously this was used solely to implement tracking of pre-auth child processes for MaxStartups, but this extends the messaging over these pipes to include a child->parent message that the parent process is safe to restart. This message is sent from the child after it has completed its preliminaries: closing listen_socks and receiving its reexec state. bz#2953, reported by Michal Koutný; ok markus@ dtucker@ OpenBSD-Commit-ID: 7df09eacfa3ce13e9a7b1e9f17276ecc924d65ab
2019-03-01upstream: mention PKCS11Provide=none, reword a little and removedjm@openbsd.org
mention of RSA keys only (since we support ECDSA now and might support others in the future). Inspired by Jakub Jelen via bz#2974 OpenBSD-Commit-ID: a92e3686561bf624ccc64ab320c96c9e9a263aa5
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