Mailing List Archive

[Bug 1977] New: ProxyCommand seems to no execute shell commands
https://bugzilla.mindrot.org/show_bug.cgi?id=1977

Bug #: 1977
Summary: ProxyCommand seems to no execute shell commands
Classification: Unclassified
Product: Portable OpenSSH
Version: 5.9p1
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: ssh
AssignedTo: unassigned-bugs@mindrot.org
ReportedBy: calestyo@scientia.net


Hi.

The manpage says to ProxyCommand:
>The command string extends to the end of the line,
>and is executed with the user's shell.

So I'd have assumed that the following works:
Host *.exmaple.org
ProxyCommand ssh -W %h:%p gateway1.exmaple.org || ssh -W %h:%p
gateway2.exmaple.org

But it doesn't, even not in modifications like:
ProxyCommand { ssh -W %h:%p gateway1.exmaple.org ; } || { ssh
-W %h:%p gateway2.exmaple.org ; }
or so.

Is this intentional or a bug?

What works however is explicitly invoking another shell:
ProxyCommand sh -c "ssh -W %h:%p gateway1.exmaple.org || ssh -W
%h:%p gateway2.exmaple.org"
but this shouldn't be necessary, should it?

Thx,
Chris.

btw: I guess my intention is clear, if the gateway1 fails, use
gateway2. Is there a better way for doing this?

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