Index: accountsservice-0.6.21/src/daemon.c
===================================================================
--- accountsservice-0.6.21.orig/src/daemon.c	2012-10-30 03:07:18.313725900 -0300
+++ accountsservice-0.6.21/src/daemon.c	2012-10-30 03:08:12.385727144 -0300
@@ -47,6 +47,7 @@
 
 #define PATH_PASSWD "/etc/passwd"
 #define PATH_SHADOW "/etc/shadow"
+#define PATH_CONFIG "/etc/accountsservice.conf"
 #define PATH_NOLOGIN "/sbin/nologin"
 #define PATH_FALSE "/bin/false"
 #define PATH_GDM_CUSTOM "/etc/gdm/custom.conf"
@@ -573,7 +574,10 @@
 {
         gint i;
         GFile *file;
-        GError *error;
+        gchar *value;
+        GKeyFile *config;
+        gchar **config_excludes;
+        GError *error = NULL;
 
         daemon->priv = DAEMON_GET_PRIVATE (daemon);
 
@@ -589,6 +593,29 @@
                                      GUINT_TO_POINTER (TRUE));
         }
 
+        /* load config file */
+
+        config = g_key_file_new ();
+        g_key_file_load_from_file (config, PATH_CONFIG, G_KEY_FILE_NONE, &error);
+
+        if (error && !g_error_matches (error, G_FILE_ERROR, G_FILE_ERROR_NOENT)) {
+                g_message ("Failed to load configuration from %s: %s", PATH_CONFIG, error->message);
+        }
+        g_clear_error (&error);
+
+        value = g_key_file_get_string (config, "Users", "hidden-users", NULL);
+
+        if (value) {
+                config_excludes = g_strsplit (value, " ", -1);
+                for (i = 0; config_excludes[i] != NULL; i++) {
+                        g_hash_table_insert (daemon->priv->exclusions,
+                                             g_strdup (config_excludes[i]),
+                                             GUINT_TO_POINTER (TRUE));
+                }
+                g_strfreev (config_excludes);
+                g_free (value);
+        }
+
         daemon->priv->users = g_hash_table_new_full (g_str_hash,
                                                      g_str_equal,
                                                      g_free,