[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]

Re: PAM Bug?



David,

Solaris's PAM has a confirmed bug in it. Contact Sun for the patch.
(Basically, libpam is hardcoding an appdata pointer of NULL).

Cheers

Andrew

David J N Begley wrote:
> 
> First, the scenario;  trying to get UW's IMAP daemon (4.6-BETA) to
> authenticate using PAM to a remote LDAP directory (using Luke Howard's
> pam_ldap module).  All on Solaris 2.6.
> 
> Now, if you change the IMAP makefile and tell it to use PAM for Solaris, the
> daemon will die during the authentication phase regardless whether the login
> or password is valid or not.
> 
> After much investigation, it was determined that the appdata_ptr pointer was
> being passed to the PAM conversation function set to NULL (despite having been
> set correctly through pam_start earlier).  Looking through pam_ldap source,
> that doesn't appear to be the culprit.
> 
> Replacing UW's PAM code with the Red Hat Linux (Michael Johnson) PAM code,
> everything works perfectly - BUT the Red Hat Linux code is using a couple of
> static globals to pass the user/passwd information around (thereby avoiding
> appdata_ptr completely).
> 
> Now - "Why is it so?"  (Prof JSM)
> 
> Basically, why does the Red Hat Linux code resort to using static globals;  is
> this due to a known bug in PAM generally or is it a Solaris-specific bug?
> 
> Thanks..
> 
> dave
> 
> --
> To unsubscribe: mail -s unsubscribe pam-list-request@redhat.com < /dev/null



[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index] []