dht: Some peer sent me a bad info_hash

2014-12-20 10:10:53 +11:00 · 2014-12-20 10:10:53 +11:00 · dbf72c1033
parent ec47c4f4dc
commit dbf72c1033
1 changed files with 3 additions and 0 deletions
--- a/dht/dht.go
+++ b/dht/dht.go
@ -475,6 +475,9 @@ func (s *Server) handleQuery(source dHTAddr, m Msg) {
 		s.reply(source, m["t"].(string), nil)
 	case "get_peers":
 		targetID := args["info_hash"].(string)
+		if len(targetID) != 20 {
+			break
+		}
 		var rNodes []NodeInfo
 		// TODO: Reply with "values" list if we have peers instead.
 		for _, node := range s.closestGoodNodes(8, targetID) {