Re: SSH_ASKPASS

From: Alexander Gavrilov <angavrilov@gmail.com>
Date: Jan 10, 2009, 18:02 UTC
Message-ID: <200901102102.12821.angavrilov@gmail.com>
In-Reply-To: <1231584934701-2137400.post@n2.nabble.com>

On Saturday 10 January 2009 13:55:34 Henk wrote:

Show 21 quoted lines

> I'm trying to get "git push" to use git-gui--askpass to ask me for the
> password instead of promting me on the command promt. I need this because I
> start the "git push" command from code and there is no terminal where ssh
> can ask the user for a password. I tried writing the following tcl script
> that allmost is what I need:
> 
> set env(SSH_ASKPASS) "C:/Program
> Files/Git/libexec/git-core/git-gui--askpass"
> exec ssh git@github.com
> 
> Ssh will now ask me for the password using git-gui--askpass. But now the
> standardout is also shown in a dialog, and not on the standardout of the
> process. Looking at the git-gui scripts didn't help me, because I have
> absolutely zero experience in tcl.
> 
> I also tried not using a tcl script, but setting SSH_ASKPASS as an
> environment variable in windows. This doesn't seem to work, ssh will still
> prompt me for a password. 
> 
> Anyone can help me write a script that asks for the password using
> SSH_ASKPASS but still prints the output on standardout?

OpenSSH won't even try to use SSH_ASKPASS if it has access to a terminal. Tcl makes it work precisely because the Tcl interpreter is a GUI application that is detached from the console.

You should set the SSH_ASKPASS variable, and try running the commands as you actually plan to do it from your code.

Alexander