[Dovecot] Problem with pam/krb5 auth on AIX 5.3

[Jonathan Siegle]

I'm using pam to authenticate users against my krb5 realm. Here is the  
problem scenario:

User test2 attempts to login and their password is not expired so  
dovecot says:
0 login test2 myfavoritepassword
0 OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE  
SORT THREAD=REFERENCES THREAD=REFS MULTIAPPEND UNSELECT IDLE CHILDREN  
NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH  
ESORT SEARCHRES WITHIN CONTEXT=SEARCH] Logged in
1 logout
* BYE Logging out
1 OK Logout completed.



User test1 attempts to login, but their password is expired. So  
dovecot says:
0 login test1 myfavoritepassword
0 NO d expired


User test2 attempts to login and their password is not expired. But  
dovecot still says:
0 login test2 myfavoritepassword
0 NO d expired

If I kill the pid with name "dovecot-auth -w", user test2 can login  
just fine unless I login with the user test1 before trying user test2.  
So it seems like something is getting cached. I'm running imap-login  
out of inetd, in case that matters.

In my dovecot.conf, I don't have any caching/authentication variables  
activated. I don't see anything obvious to type in passdb pam{ } to  
type.

For debug, I've enable pam for telnet and tested that without error.  
Also, the logs show that test2

This is dovecot revision 9062:694714d59cd9 . Looking at the logs, I  
see user test2 authenticate correctly in all instances.

thanks,
Jonathan



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