Answer blacklisted torrent announces with an empty packet, that carries a re-announce timeout

1 files changed, 5 insertions, 3 deletions

diff --git a/src/ot_udp.c b/src/ot_udp.c
index e67ca1f..9e8e3c4 100644
--- a/src/ot_udp.c
+++ b/src/ot_udp.c
@@ -176,11 +176,13 @@ int handle_udp6(int64_t serversocket, struct ot_workstruct *ws) {
       ws->reply      = ws->outbuf + 8;
       ws->reply_size = add_peer_to_torrent_and_return_peers(FLAG_UDP, ws, numwant);
 
+      /* The announce path answers a refusal itself, so nothing is left here
+         but a tracker that could not get the memory to track the torrent */
       if (!ws->reply_size) {
-        const char err_unauth[] = "Requested download is not authorized for use with this tracker.";
-        size_t s = sizeof(err_unauth);
+        const char err_resources[] = "Tracker is out of resources, try again later.";
+        size_t s = sizeof(err_resources);
         outpacket[0]  = htonl(3);
-        memcpy(&outpacket[2], &err_unauth[0], s);
+        memcpy(&outpacket[2], &err_resources[0], s);
         socket_send(serversocket, ws->outbuf, 8 + s, remoteip, remoteport);
         return 1;
       }