[network-manager-openconnect] Remove passwords from gnome-keyring when user disables 'save passwords'

[David Woodhouse <dwmw2 src gnome org>]

commit a37b1f725c460b5237ed6ab36a961c2e3f1c8145
Author: David Woodhouse <David Woodhouse intel com>
Date:   Sat Jun 16 00:48:09 2012 +0100

    Remove passwords from gnome-keyring when user disables 'save passwords'

 auth-dialog/main.c |   26 ++++++++++++++++++++++++--
 1 files changed, 24 insertions(+), 2 deletions(-)
---
diff --git a/auth-dialog/main.c b/auth-dialog/main.c
index 141f238..1eb0997 100644
--- a/auth-dialog/main.c
+++ b/auth-dialog/main.c
@@ -1140,6 +1140,23 @@ static void autocon_toggled(GtkWidget *widget)
 	g_hash_table_insert (ui_data->secrets, g_strdup ("autoconnect"), enabled);
 }
 
+/* gnome_keyring_delete_password() only deletes one matching password, so
+   keep doing it until it doesn't succeed. The ui_data is essentially
+   permanent anyway so no need to worry about its lifetime. */
+static void delete_next_password(GnomeKeyringResult result, gpointer data)
+{
+	auth_ui_data *ui_data = data;
+
+	if (result == GNOME_KEYRING_RESULT_OK) {
+		gnome_keyring_delete_password(OPENCONNECT_SCHEMA,
+					      delete_next_password,
+					      ui_data, NULL,
+					      "vpn_uuid", ui_data->vpn_uuid,
+					      NULL);
+	}		
+		
+}
+
 static void savepass_toggled(GtkWidget *widget)
 {
 	auth_ui_data *ui_data = _ui_data; /* FIXME global */
@@ -1147,9 +1164,14 @@ static void savepass_toggled(GtkWidget *widget)
 
 	if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(widget)))
 		enabled = g_strdup ("yes");
-	else
+	else {
 		enabled = g_strdup ("no");
-
+		gnome_keyring_delete_password(OPENCONNECT_SCHEMA,
+					      delete_next_password,
+					      ui_data, NULL,
+					      "vpn_uuid", ui_data->vpn_uuid,
+					      NULL);
+	}
 	g_hash_table_insert (ui_data->secrets, g_strdup ("save_passwords"), enabled);
 }