[Tutor] python scripting and unix

[Michael P. Reilly]

On Mon, Jan 28, 2002 at 07:47:05PM -0500, Christine Wilson wrote:
> I am writing a python script set to execute upon login to my unix account.  
> The user is prompted for further information - if the answer is correct, 
> they may continue.  If the answer is wrong (meaning that it is not me) I 
> want the session to exit/logout.
> 
> How can I do this?  I'm just becoming familiar with Python and scripting.  
> Any ideas?
> 
> The script is executing before the user actually is prompted with the Unix 
> prompt.
> 
> ----------------------------------------------------------------------
> #!/usr/bin/env python
> 
> import os
> os.system("clear")
> 
> from sudialg import *
> if ask_who():   #gets user input for first answer, returns 1 if correct
>   #continues
> 
> else:
>    exit   #I want the telnet session to end with NO access to my account
>             #but this is just exiting the script

I assume you want to have this in the user's dot file.

Instead of "exit", you will want

  os.kill(os.getppid, 1)

Which sends a hang-up signal to the login shell, logging the user out.

  -Arcege