openssh bugs - Aug 2018 - [Bug 2896] New: Do not fail DNS canonicalization lookup on ProxyJump

https://bugzilla.mindrot.org/show_bug.cgi?id=2896

            Bug ID: 2896
           Summary: Do not fail DNS canonicalization lookup on ProxyJump
           Product: Portable OpenSSH
           Version: 7.7p1
          Hardware: Other
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: ssh
          Assignee: unassigned-bugs at mindrot.org
          Reporter: sven.wegener at stealer.net

Created attachment 3170
  --> https://bugzilla.mindrot.org/attachment.cgi?id=3170&action=edit
openssh-proxyjump-canonicalization.patch

Currently using ProxyJump with CanonicalizeHostname set to always,
results in ssh exiting on DNS lookup failure. ProxyJump gets converted
to ProxyCommand later in the code, so both should be treated equally.
Use the direct variable, which covers both.

See the attched patch.

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https://bugzilla.mindrot.org/show_bug.cgi?id=2896

Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
             Blocks|                            |2893
                 CC|                            |djm at mindrot.org
         Resolution|---                         |FIXED

--- Comment #1 from Damien Miller <djm at mindrot.org> ---
Thanks for the patch - this has been committed and will be in the 7.9
release, due later this year.
> commit 383a33d160cefbfd1b40fef81f72eadbf9303a66 (HEAD -> master,
origin/master, origin/HEAD)
> Author: djm at openbsd.org <djm at openbsd.org>
> Date:   Fri Sep 21 03:11:36 2018 +0000
> 
>     upstream: Treat connections with ProxyJump specified the same as ones
>     
>     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

Referenced Bugs:

https://bugzilla.mindrot.org/show_bug.cgi?id=2893
[Bug 2893] Tracking bug for 7.9 release
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https://bugzilla.mindrot.org/show_bug.cgi?id=2896

Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED

--- Comment #2 from Damien Miller <djm at mindrot.org> ---
closing resolved bugs as of 8.6p1 release

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