only allow raw admin metadata updates from the IP of the source client unless

the user is admin. It seems that some source clients issue metadata updates
even if they are rejected due to the mountpoint being in use.

svn path=/icecast/trunk/icecast/; revision=15264

src/admin.c

@@ -887,6 +887,7 @@ static void command_metadata(client_t *client, source_t *source,
     format_plugin_t *plugin;
     xmlDocPtr doc;
     xmlNodePtr node;
+    int same_ip = 1;
 
     doc = xmlNewDoc (XMLSTR("1.0"));
     node = xmlNewDocNode (doc, NULL, XMLSTR("iceresponse"), NULL);
@@ -911,8 +912,11 @@ static void command_metadata(client_t *client, source_t *source,
     }
 
     plugin = source->format;
+    if (source->client && strcmp (client->con->ip, source->client->con->ip) != 0)
+        if (response == RAW && connection_check_admin_pass (client->parser) == 0)
+            same_ip = 0;
 
-    if (plugin && plugin->set_tag)
+    if (same_ip && plugin && plugin->set_tag)
     {
         if (song)
         {
@@ -952,6 +956,7 @@ static void command_shoutcast_metadata(client_t *client, source_t *source)
 {
     const char *action;
     const char *value;
+    int same_ip = 1;
 
     DEBUG0("Got shoutcast metadata update request");
 
@@ -963,8 +968,11 @@ static void command_shoutcast_metadata(client_t *client, source_t *source)
         client_send_400 (client, "No such action");
         return;
     }
+    if (source->client && strcmp (client->con->ip, source->client->con->ip) != 0)
+        if (connection_check_admin_pass (client->parser) == 0)
+            same_ip = 0;
 
-    if (source->format && source->format->set_tag)
+    if (same_ip && source->format && source->format->set_tag)
     {
         source->format->set_tag (source->format, "title", value, NULL);