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Top Forums Shell Programming and Scripting Copy-paste string automatically Post 302349504 by ktm on Tuesday 1st of September 2009 06:36:06 AM
Old 09-01-2009
Copy-paste string automatically

Hi i'm not really sure if it's possible or not in bash. Basically I want to convert a ssh key created with ssh-keygen to putty format. The problem is that puttygen doesn't have an option for supplying passphrase in batch mode so it must be entered manually. For sskey generated with ssh-keygen i use a random passphrase and I don't know the passphrase until I send it to my email.
Of course that the passphrase is kept in a variable.

The question is , can i enter automatically the passphrase when certain input is required from the user ? (ie when puttygen asking for passphrase).

I know I can temporary echo the passphrase in bash but it isn't quite what I'm looking for.

Thank you.
 

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GNOME-SSH-ASKPASS(1)					      General Commands Manual					      GNOME-SSH-ASKPASS(1)

NAME
gnome-ssh-askpass - prompts a user for a passphrase using GNOME SYNOPSIS
gnome-ssh-askpass DESCRIPTION
gnome-ssh-askpass is a GNOME-based passphrase dialog for use with OpenSSH. It is intended to be called by the ssh-add(1) program and not invoked directly. It allows ssh-add(1) to obtain a passphrase from a user, even if not connected to a terminal (assuming that an X display is available). This happens automatically in the case where ssh-add is invoked from one's ~/.xsession or as one of the GNOME startup pro- grams, for example. In order to be called automatically by ssh-add, gnome-ssh-askpass should be installed as /usr/bin/ssh-askpass. ENVIRONMENT VARIABLES
The following environment variables are recognized: GNOME_SSH_ASKPASS_GRAB_SERVER Causes gnome-ssh-askpass to grab the X server before asking for a passphrase. GNOME_SSH_ASKPASS_GRAB_POINTER Causes gnome-ssh-askpass to grab the mouse pointer using gdk_pointer_grab() before asking for a passphrase. Regardless of whether either of these environment variables is set, gnome-ssh-askpass will grab the keyboard using gdk_keyboard_grab(). AUTHOR
This manual page was written by Colin Watson <cjwatson@debian.org> for the Debian system (but may be used by others). It was based on that for x11-ssh-askpass by Philip Hands. GNOME-SSH-ASKPASS(1)
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