openssh bugs - Oct 2014 - [Bug 2304] New: forwarding syntax changed -L a/b/c/d format removed - but not documented

https://bugzilla.mindrot.org/show_bug.cgi?id=2304

            Bug ID: 2304
           Summary: forwarding syntax changed -L a/b/c/d format removed -
                    but not documented
           Product: Portable OpenSSH
           Version: 6.7p1
          Hardware: Other
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: ssh
          Assignee: unassigned-bugs at mindrot.org
          Reporter: alan at roojs.com

This commit

https://github.com/openssh/openssh-portable/commit/7acefbbcbeab725420ea07397ae35992f505f702

Removed the feature that you could use the format -L a/b/c etc..  (this
is used by http://sourceforge.net/projects/pacmanager/)

basically  hpdelim split on '/' - but parse_fwd_field uses that to
indicate something else.

As far as I could see the commit and "Potentially-incompatible
changes"
in the release log did not mention the change.

was it an intended change? (I've no idea why PAC decided to use that
syntax...)

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https://bugzilla.mindrot.org/show_bug.cgi?id=2304

Darren Tucker <dtucker at zip.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |dtucker at zip.com.au
         Resolution|---                         |WONTFIX

--- Comment #1 from Darren Tucker <dtucker at zip.com.au> ---
The "alternative" host/port syntax was added in 2001:
https://anongit.mindrot.org/openssh.git/commit/?id=62c25a43dbdd0dddb872b997a6f82b4f73c79180

and removed from the documentation in 2010 (with a comment saying it no
longer worked at the time) because it had been superceded by
[addr]:port which had become more or less standard by then:
https://anongit.mindrot.org/openssh.git/commit/?id=7fa96602e52f02e66897f98a1568cbd3a555192b

It was only ever documented as working for IPv6 addresses, though.  So
I guess this would be classed as "unintentional change of undocumented
behaviour".

I don't think we can make it work again without breaking Unix domain
socket forwarding, though, so I don't think there's anything we can do
at this point.

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Damien Miller <djm at mindrot.org> changed:

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

--- Comment #2 from Damien Miller <djm at mindrot.org> ---
Set all RESOLVED bugs to CLOSED with release of OpenSSH 7.1

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