openssh bugs - Oct 2014 - [Bug 2294] New: parsing known hosts files with tabs doesn't work

https://bugzilla.mindrot.org/show_bug.cgi?id=2294

            Bug ID: 2294
           Summary: parsing known hosts files with tabs doesn't work
           Product: Portable OpenSSH
           Version: 6.7p1
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: ssh
          Assignee: unassigned-bugs at mindrot.org
          Reporter: calestyo at scientia.net

Hi.

AFAIU, using (multiple) tabs in e.g. sshd_config or ssh_config works,
e.g. one can justify one's options like this:
AddressFamily   any
Port            22
ListenAddress   localhost
by having (multiple) tabs and/or (multiple) spaces between directive
and option or between two options.


I tried to do the same on known hosts files,... after having a very
short glance at hostfile.c it thought it would work,... but apparently
it does not.
host.example.org,host ecdsa-sha2-nistp521 AAA...
host.example.org,host ssh-rsa             AAA...
foo                   ssh-ed25519         AAA...

apparently it still works to have a tab between hostname(s) filed and
algorithm,... but when there is one or more tabs between algo and key
data,... ssh apparently no longer recognises that line and asks me to
verify the fingerprint.


Now I don't know whether this is expected to work (and a bug), or
whether it's not expected to work.... than this could be an request for
enhancement,... i.e. in all places where one space is allowed as a
field separator, multiple tabs and/or spaces should be allowed as well.


Oh and should this ever be made working,... I've just seen that
bash-completion fails miserably when having (multiple) spaces/tabs in
the known hosts files, it even suggests th algos and the key material
as a completion target... so one should then probably report a bug
there as well, to have that fixed.


Cheers,
Chris.

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https://bugzilla.mindrot.org/show_bug.cgi?id=2294

Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |djm at mindrot.org
         Resolution|---                         |DUPLICATE
             Status|NEW                         |RESOLVED

--- Comment #1 from Damien Miller <djm at mindrot.org> ---


*** This bug has been marked as a duplicate of bug 2623 ***

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https://bugzilla.mindrot.org/show_bug.cgi?id=2294

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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