Set adminstrative domain for the process when looking up user's
password or group info and when preparing for execve().
Include strings.h even if string.h exists since they may define
different things. Fixes warnings on AIX and others.
before the uid/gid/etc changes. A struct passwd pointer is passed in,which may be NULL if the user does not exist in the passwd database.The sudoers module uses init_session to open the pam session as needed.
plugin itself. If possible, this should really be done in the main
driver but we don't presently have the needed data to do that. This
will be re-evaluated when Linux audit support is added.
