gdm/gdm-2.19.5-reset-pam.patch

diff -up gdm-2.19.5/gui/greeter/greeter.c.reset-pam gdm-2.19.5/gui/greeter/greeter.c
--- gdm-2.19.5/gui/greeter/greeter.c.reset-pam	2007-07-30 14:51:01.000000000 -0400
+++ gdm-2.19.5/gui/greeter/greeter.c	2007-07-31 00:10:18.000000000 -0400
@@ -224,7 +224,6 @@ process_operation (guchar       op_code,
     GtkWidget *dlg;
     char *tmp;
     char *session;
-    GreeterItemInfo *conversation_info;
     static GnomeCanvasItem *disabled_cover = NULL;
     gint lookup_status = SESSION_LOOKUP_SUCCESS;
     gchar *firstmsg = NULL;
@@ -428,17 +427,10 @@ process_operation (guchar       op_code,
 
 	first_prompt = TRUE;
 
-	conversation_info = greeter_lookup_id ("pam-conversation");
-	
-	if (conversation_info)
-	  {
-	    tmp = ve_locale_to_utf8 (args);
-	    g_object_set (G_OBJECT (conversation_info->item),
-			  "text", tmp,
-			  NULL);
-	    g_free (tmp);
-	  }
-
+        greeter_item_ulist_unset_selected_user ();
+        greeter_item_pam_prompt ("", PW_ENTRY_SIZE, TRUE);
+        greeter_item_pam_message ("");
+ 
 	printf ("%c\n", STX);
 	fflush (stdout);
 	greeter_ignore_buttons (FALSE);
diff -up gdm-2.19.5/daemon/slave.c.reset-pam gdm-2.19.5/daemon/slave.c
--- gdm-2.19.5/daemon/slave.c.reset-pam	2007-07-30 14:51:14.000000000 -0400
+++ gdm-2.19.5/daemon/slave.c	2007-07-31 00:13:39.000000000 -0400
@@ -173,6 +173,12 @@ static int gdm_normal_runlevel         =
 static pid_t extra_process             = 0;
 static int extra_status                = 0;
 
+/* a dup of the other side of greeter_fd_in so that
+ * the slave can talk to itself from its sig handler
+ * using the greeter ipc mechanism
+ */
+static int slave_fd_out = -1;
+
 #ifdef HAVE_TSOL
 static gboolean have_suntsol_extension = FALSE;
 #endif
@@ -661,7 +667,7 @@ ignore_xerror_handler (Display *disp, XE
 }
 
 static void
-whack_greeter_fds (void)
+whack_greeter_and_slave_fds (void)
 {
 	if (greeter_fd_out > 0)
 		VE_IGNORE_EINTR (close (greeter_fd_out));
@@ -669,6 +675,9 @@ whack_greeter_fds (void)
 	if (greeter_fd_in > 0)
 		VE_IGNORE_EINTR (close (greeter_fd_in));
 	greeter_fd_in = -1;
+	if (slave_fd_out > 0)
+		VE_IGNORE_EINTR (close (slave_fd_out));
+	slave_fd_out = -1;
 }
 
 static void
@@ -1154,7 +1163,7 @@ gdm_slave_whack_greeter (void)
 
 	d->greetpid = 0;
 
-	whack_greeter_fds ();
+	whack_greeter_and_slave_fds ();
 
 	gdm_slave_send_num (GDM_SOP_GREETPID, 0);
 
@@ -2003,7 +2012,7 @@ restart_the_greeter (void)
 
 		d->greetpid = 0;
 
-		whack_greeter_fds ();
+		whack_greeter_and_slave_fds ();
 
 		gdm_slave_send_num (GDM_SOP_GREETPID, 0);
 	}
@@ -2240,6 +2249,12 @@ gdm_slave_wait_for_login (void)
 			break;
 		}
 
+		if (do_cancel) {
+			gdm_debug ("canceling...");
+			gdm_slave_greeter_ctl_no_ret (GDM_RESETOK, "");
+			continue;
+		}
+
 		if (login_user == NULL) {
 			const char *failuresound = gdm_daemon_config_get_value_string (GDM_KEY_SOUND_ON_LOGIN_FAILURE_FILE);
 
@@ -2853,10 +2868,10 @@ gdm_slave_greeter (void)
 
 	default:
 		VE_IGNORE_EINTR (close (pipe1[0]));
-		VE_IGNORE_EINTR (close (pipe2[1]));
 
-		whack_greeter_fds ();
+		whack_greeter_and_slave_fds ();
 
+		slave_fd_out = pipe2[1];
 		greeter_fd_out = pipe1[1];
 		greeter_fd_in = pipe2[0];
 
@@ -5147,7 +5162,7 @@ gdm_slave_child_handler (int sig)
 
 				greet = FALSE;
 				d->greetpid = 0;
-				whack_greeter_fds ();
+				whack_greeter_and_slave_fds ();
 				gdm_slave_send_num (GDM_SOP_GREETPID, 0);
 
 				do_restart_greeter = TRUE;
@@ -5159,7 +5174,7 @@ gdm_slave_child_handler (int sig)
 				continue;
 			}
 
-			whack_greeter_fds ();
+			whack_greeter_and_slave_fds ();
 
 			/* if greet is TRUE, then the greeter died outside of our
 			 * control really, so clean up and die, something is wrong
@@ -5302,6 +5317,11 @@ gdm_slave_handle_usr2_message (void)
 				gdm_wait_for_go = FALSE;
 			} else if (strcmp (&s[1], GDM_NOTIFY_TWIDDLE_POINTER) == 0) {
 				gdm_twiddle_pointer (d);
+			} else if (strcmp (&s[1], GDM_NOTIFY_RESET) == 0) {
+				if (!d->logged_in) {
+					gdm_fdprintf (slave_fd_out, "%c%c%c\n", 
+						      STX, BEL, GDM_INTERRUPT_CANCEL);
+				}
 			}
 		} else if (s[0] == GDM_SLAVE_NOTIFY_RESPONSE) {
 			gdm_got_ack = TRUE;
diff -up gdm-2.19.5/daemon/gdm-daemon-config-keys.h.reset-pam gdm-2.19.5/daemon/gdm-daemon-config-keys.h
--- gdm-2.19.5/daemon/gdm-daemon-config-keys.h.reset-pam	2007-07-30 14:51:14.000000000 -0400
+++ gdm-2.19.5/daemon/gdm-daemon-config-keys.h	2007-07-31 00:10:18.000000000 -0400
@@ -229,6 +229,7 @@ G_BEGIN_DECLS
 #define GDM_NOTIFY_SOFT_RESTART_SERVERS "SOFT_RESTART_SERVERS"
 #define GDM_NOTIFY_GO "GO"
 #define GDM_NOTIFY_TWIDDLE_POINTER "TWIDDLE_POINTER"
+#define GDM_NOTIFY_RESET "RESET"
 
 G_END_DECLS
 
diff -up gdm-2.19.5/daemon/gdm.c.reset-pam gdm-2.19.5/daemon/gdm.c
--- gdm-2.19.5/daemon/gdm.c.reset-pam	2007-07-30 14:51:14.000000000 -0400
+++ gdm-2.19.5/daemon/gdm.c	2007-07-31 00:10:18.000000000 -0400
@@ -2578,6 +2578,14 @@ gdm_handle_message (GdmConnection *conn,
 				     TRUE /* handled */,
 				     FALSE /* chooser */,
 				     NULL, 0, NULL, NULL, NULL);
+} else if (strcmp (msg, GDM_SOP_CANCEL_LOGIN_REQUESTS) == 0) {
+		GSList *li, *displays = gdm_daemon_config_get_display_list ();
+		for (li = displays; li != NULL; li = li->next) {
+			GdmDisplay *d = li->data;
+			if (!d->logged_in) {
+				send_slave_command (d, GDM_NOTIFY_RESET);
+			}
+		}
 	} else if (strncmp (msg, "opcode="GDM_SOP_SHOW_ERROR_DIALOG,
 			    strlen ("opcode="GDM_SOP_SHOW_ERROR_DIALOG)) == 0) {
 		char **list;
diff -up gdm-2.19.5/daemon/gdm-socket-protocol.h.reset-pam gdm-2.19.5/daemon/gdm-socket-protocol.h
--- gdm-2.19.5/daemon/gdm-socket-protocol.h.reset-pam	2007-07-30 14:51:14.000000000 -0400
+++ gdm-2.19.5/daemon/gdm-socket-protocol.h	2007-07-31 00:10:18.000000000 -0400
@@ -155,6 +155,9 @@
 #define GDM_SOP_SHOW_QUESTION_DIALOG "SHOW_QUESTION_DIALOG"  /* show the question dialog from daemon */
 #define GDM_SOP_SHOW_ASKBUTTONS_DIALOG "SHOW_ASKBUTTON_DIALOG"  /* show the askbutton dialog from daemon */
 
+/* Reset any in progress authentication conversations */
+#define GDM_SOP_CANCEL_LOGIN_REQUESTS "CANCEL_LOGIN_REQUESTS" /* no arguments */
+
 
 /* Ack for a slave message */
 /* Note that an extra response can follow an 'ack' */