[Bug 777] sftp can't be used with s/key

[bugzilla-daemon at mindrot.org]

http://bugzilla.mindrot.org/show_bug.cgi?id=777

           Summary: sftp can't be used with s/key
           Product: Portable OpenSSH
           Version: -current
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: major
          Priority: P2
         Component: sftp
        AssignedTo: openssh-bugs at mindrot.org
        ReportedBy: admorten at umich.edu


In sftp.c, the code searches for a colon in the userhost string before parsing
out the host and the user name. The colon should separate the host from the file
to be retrieved, if specified, but because the colon is looked for first, and is
replaced with a NUL, everything before the colon is interpreted to be the
hostname. So:

sftp user:skey at host.com

is recognized as:

sftp user and download a file called "skey at host.com"

which typically results in a "No address associated with nodename" error.

The attached patch places the colon parsing after the user and host name have
been gathered, allowing skey names to work when connecting with sftp.



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