openssh bugs - Oct 2003 - [Bug 742] sftp doesn't honor "Protocol 1" in config file

http://bugzilla.mindrot.org/show_bug.cgi?id=742

           Summary: sftp doesn't honor "Protocol 1" in config file
           Product: Portable OpenSSH
           Version: 3.6.1p2
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: sftp
        AssignedTo: openssh-bugs at mindrot.org
        ReportedBy: cduffy at spamcop.net


Accessing Savannah (which does not support SSH protocol 2), the following fails:
  sftp USERNAME at savannah.nongnu.org
  sftp -F ~/.ssh/config USERNAME at savannah.nongnu.org
even when ~/.ssh/config contains the snippet:
  Host savannah.gnu.org
    Protocol 1
whereas "sftp -1 USERNAME at savannah.nongnu.org" succeeds.

This implies that the "Protocol 1" directive is not being honored by
sftp.

This is a real problem for folks using software which calls sftp without
permitting the user to specify command line arguments. (tla, a revision control
system with support for hosting repositories on sftp servers, is one such piece
of software).



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------- Additional Comments From dtucker at zip.com.au  2003-10-12 12:27
-------
> Accessing Savannah (which does not support SSH protocol 2), the following
fails:
>   sftp USERNAME at savannah.nongnu.org[1]
> even when ~/.ssh/config contains the snippet:
>   Host savannah.gnu.org[2]
You realise that [1] and [2] are not the same host, right?



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------- Additional Comments From cduffy at spamcop.net  2003-10-12 12:30 -------
Err, yes, that's a typo on my part (hand-entered the ~/.ssh/config snippet
rather than cut&pasting it). The actual ~/.ssh/config file does indeed
reference
savannah.nongnu.org.

Further, this observation has been backed up by a few other tla users (it's
come
up on our IRC channel; see #arch on freenode), so it would seem unlikely to just
be user error.



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------- Additional Comments From dtucker at zip.com.au  2003-10-12 12:50 -------
Can't reproduce with 3.7.1p2.  In ~/.ssh/config:

Host localhost-test
        Hostname localhost
        Protocol 1

$ scp -v localhost-test:/tmp/tmp1 /tmp/tmp2
Executing: program /usr/local/bin/ssh host localhost-test, user (unspecified),
command scp -v -f /tmp/tmp1
[snip]
debug1: match: OpenSSH_3.7.1p2 pat OpenSSH*
Protocol major versions differ: 1 vs. 2
debug1: Calling cleanup 0x8060294(0x0)
lost connection

(The server is configured to allow Protocol 2 only, which is why this fails).

Do you have 2 versions of ssh installed?   Do you get the same result with
3.7.1p2?



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------- Additional Comments From dtucker at zip.com.au  2003-10-12 12:56 -------
Er, hang on.  That's sftp, which normally uses a SSH2 channel.  Is that even
supposed to work over SSH1?



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