From c6732a03cbf0efa815e8a857af8118878c053af0 Mon Sep 17 00:00:00 2001
From: Dirk Engling <erdgeist@erdgeist.org>
Date: Thu, 5 Nov 2026 18:18:45 +0100
Subject: Answer blacklisted torrent announces with an empty packet, that
 carries a re-announce timeout

---
 src/trackerlogic.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/trackerlogic.c')

diff --git a/src/trackerlogic.c b/src/trackerlogic.c
index 7e8d969..2313379 100644
--- a/src/trackerlogic.c
+++ b/src/trackerlogic.c
@@ -94,6 +94,12 @@ size_t add_peer_to_torrent_and_return_peers(PROTO_FLAG proto, struct ot_workstru
       memcpy(ws->reply, invalid_hash, strlen(invalid_hash));
       return strlen(invalid_hash);
     }
+    if (proto == FLAG_UDP) {
+      ((uint32_t *)ws->reply)[0] = htonl(OT_CLIENT_REJECT_INTERVAL_RANDOM);
+      ((uint32_t *)ws->reply)[1] = 0;
+      ((uint32_t *)ws->reply)[2] = 0;
+      return 12;
+    }
     return 0;
   }
 
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