[Bug 1494] New: doesn't look on path for $SHELL

[bugzilla-daemon at bugzilla.mindrot.org]

https://bugzilla.mindrot.org/show_bug.cgi?id=1494

           Summary: doesn't look on path for $SHELL
    Classification: Unclassified
           Product: Portable OpenSSH
           Version: 5.1p1
          Platform: Other
               URL: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=49272
                    8
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ssh
        AssignedTo: unassigned-bugs at mindrot.org
        ReportedBy: cjwatson at debian.org


In http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=492728, Vincent
Lefevre reported this regression in 4.9p1 and above:

"For a host for which I have a ProxyCommand:

vin:~> echo $SHELL
zsh
vin:~> ssh xxxxxx.xxxxx.xx
zsh: No such file or directory
ssh_exchange_identification: Connection closed by remote host

Note: POSIX does not require that SHELL contain a full pathname."

There doesn't seem to be any harm in using exec*p functions here. Patch
attached.

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