Jasmine
Administrator
/ Moderator
Jan 13, 2000, 3:50 AM
Post #2 of 2
(2005 views)
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Does it always read www.fool.com/run.pl?passwd, or does the passwd change (not to your password, I understand)? Perhaps to a sequence of numbers? If so, then they are using the contents of the QUERY_STRING environment variable ($ENV{'QUERY_STRING'}) to pass along a session id. That is, once you log in, you are assigned a unique id. From that point on, all links available to you within the program contain this unique id, which is tied back to your login in a database on the server.
The other possibility is that they are using Perl modules to maintain stateless sessions. Two modules that look like they do this are:
CGI::Persistent -- Transparent state persistence for CGI applications.
CGI::EncryptForm - Implement trusted stateful CGI Form Data using cryptography.
Hope this helps!
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