Set PAM_TTY for remote displays too (used e.g. by pam_time)
---- xdm-1.1.1/greeter/greet.c.orig 2006-10-19 01:55:50.000000000 +0000
-+++ xdm-1.1.1/greeter/greet.c 2006-11-15 08:39:41.739505000 +0000
-@@ -545,8 +545,7 @@
+--- xdm-1.1.11/greeter/greet.c.orig 2011-09-25 09:35:47.000000000 +0200
++++ xdm-1.1.11/greeter/greet.c 2011-09-26 16:43:55.211132926 +0200
+@@ -535,6 +535,12 @@
(*pamhp, PAM_RHOST, hostname));
free(hostname);
}
-- } else
-- RUN_AND_CHECK_PAM_ERROR(pam_set_item, (*pamhp, PAM_TTY, d->name));
-+ }
++
++ /* "for graphical, X-based, applications the value for this
++ * item should be the $DISPLAY variable." (pam_appl docs)
++ */
++ RUN_AND_CHECK_PAM_ERROR(pam_set_item,
++ (*pamhp, PAM_TTY, d->name));
+ } else { /* Displaying on local host */
+ const char *ttyname = NULL;
- if (!greet->allow_null_passwd) {
- pam_flags |= PAM_DISALLOW_NULL_AUTHTOK;