--- tcb-1.0.2/pam_tcb/pam_unix_auth.c~	2008-05-21 09:16:13.000000000 -0600
+++ tcb-1.0.2/pam_tcb/pam_unix_auth.c	2008-05-21 09:16:13.000000000 -0600
@@ -34,6 +34,7 @@ PAM_EXTERN int pam_sm_authenticate(pam_h
 
 	if (!_set_ctrl(pamh, flags, argc, argv))
 		return PAM_ABORT;
+	set(UNIX_SHADOW);
 
 	/* failed malloc is ok */
 	retval_data = malloc(sizeof(*retval_data));
--- tcb-1.0.2/pam_tcb/pam_unix_passwd.c~	2008-05-21 09:17:48.000000000 -0600
+++ tcb-1.0.2/pam_tcb/pam_unix_passwd.c	2008-05-21 09:17:48.000000000 -0600
@@ -589,6 +589,7 @@ PAM_EXTERN int pam_sm_chauthtok(pam_hand
 
 	if (!_set_ctrl(pamh, flags, argc, argv))
 		return PAM_ABORT;
+	set(UNIX_SHADOW);
 
 	/* get the username */
 	retval = pam_get_user(pamh, &user, NULL);
--- tcb-1.0.2/pam_tcb/pam_unix_sess.c~	2008-05-21 09:19:17.000000000 -0600
+++ tcb-1.0.2/pam_tcb/pam_unix_sess.c	2008-05-21 09:19:17.000000000 -0600
@@ -25,6 +25,7 @@ PAM_EXTERN int pam_sm_open_session(pam_h
 
 	if (!_set_ctrl(pamh, flags, argc, argv))
 		return PAM_ABORT;
+	set(UNIX_SHADOW);
 
 	retval = pam_get_item(pamh, PAM_USER, &item);
 	user = item;