Set a default directory server from a hard-wired list if one was not previously chosen.

include/dir_fns.php

@@ -3,10 +3,31 @@
 require_once('include/permissions.php');
 
 function find_upstream_directory($dirmode) {
+	global $DIRECTORY_FALLBACK_SERVERS;
+
 	$preferred = get_config('system','directory_server');
-	if($preferred)
-		return array('url' => $preferred);
-	return '';
+	if(! $preferred) {
+
+		/**
+		 * No directory has yet been set. For most sites, pick one at random
+		 * from our list of directory servers. However, if we're a directory
+		 * server ourself, point at the local instance
+		 * We will then set this value so this should only ever happen once.
+		 * Ideally there will be an admin setting to change to a different 
+		 * directory server if you don't like our choice or if circumstances change.
+		 */
+
+		$dirmode = intval(get_config('system','directory_mode'));
+		if($dirmode == DIRECTORY_MODE_NORMAL) {
+			$toss = mt_rand(0,count($DIRECTORY_FALLBACK_SERVERS));
+			$preferred = $DIRECTORY_FALLBACK_SERVERS[$toss];
+			set_config('system','directory_server',$preferred);
+		}
+		else{
+			set_config('system','directory_server',z_root());
+		}
+	}
+	return array('url' => $preferred);
 }
 
 function dir_sort_links() {

include/directory.php

@@ -48,13 +48,7 @@ function directory_run($argv, $argc){
 	}
 
 	$directory = find_upstream_directory($dirmode);
-
-	if($directory) {
-		$url = $directory['url'] . '/post';
-	}
-	else {
-		$url = DIRECTORY_FALLBACK_MASTER . '/post';
-	}
+	$url = $directory['url'] . '/post';
 
 	// ensure the upstream directory is updated
 

include/socgraph.php

@@ -370,13 +370,7 @@ function update_suggestions() {
 	}
 	else {
 		$directory = find_upstream_directory($dirmode);
-
-		if($directory) {
-			$url = $directory['url'] . '/sitelist';
-		}
-		else {
-			$url = DIRECTORY_FALLBACK_MASTER . '/sitelist';
-		}
+		$url = $directory['url'] . '/sitelist';
 	}
 	if(! $url)
 		return;