[Bug 926] pam_session_close called as user or not at all

[bugzilla-daemon]

http://bugzilla.mindrot.org/show_bug.cgi?id=926





------- Comment #21 from t8m at centrum.cz  2006-08-05 01:18 -------
The patch causes a regression with pam_krb5 module.

See https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=201341

As I said above I think that the only correct solution which would
solve all cases (privsep yes/no, root/regular user) would be to add
another fork before the setuid calls and shell process exec.

login does this:
1. call pam_open_session
2. fork
3. parent waits for child, child impersonates user, execs shell
4. when child exits, parent calls pam_close_session




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