license checking in PAM

[Marcin Krzysztof Porwit]

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I'm working on a pam module for a commercial product, and as part of the
pam_sm_authenticate call, my module does a license check -- to make sure
the product is licensed, the license is not expired, and the like. I'm
trying to find a facility that will let me communicate some information
about the license status to the user attempting the login -- either
saying that there are X days remaining on the license, or that the
authentication failed due to license expiration issues.

So far I'm not finding a mechanism for passing this back to the caller.
Does such a beast exist?
- --
Marcin Krzysztof Porwit
mporwit at centeris.com

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