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challenge response with expect

Posted by jaymzter (jaymzter), 9 January 2008
First off thanks for the great site. I've learned more expect in the past two days using this site than all the other times I've tried learning it. It's been a blessing.

Now the trouble. I'm using expect to connect over ssh or telnet to a remote host. These hosts are using security tokens for authentication. Here's what you get after connecting:

lots of security verbiage followed by...
Challenge: 123-4567             ID: 1010023456\r
\r
\rResponse: \r

What I need to do is pull out 123-4567 and 1010023456 and feed it to a package or proc that can return the Response. I think I can figure out returning the Response, but don't have a clue on parsing out the challenge and ID.
Any help would be appreciated. Thanks.



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