From: Matt Joiner <anacrolix@gmail.com>
Date: Thu, 21 Aug 2014 17:42:00 +0000 (+1000)
Subject: Fix crash in metadata requests beyond available info bytes
X-Git-Tag: v1.0.0~1624
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;h=00a4e9bc1180cb8756ca5ac8689780b7e7261412;p=btrtrc.git

Fix crash in metadata requests beyond available info bytes
---

diff --git a/torrent.go b/torrent.go
index 7257bb30..178f29ae 100644
--- a/torrent.go
+++ b/torrent.go
@@ -91,7 +91,11 @@ func (t *torrent) MetadataPieceCount() int {
 }
 
 func (t *torrent) HaveMetadataPiece(piece int) bool {
-	return t.haveInfo() || t.metadataHave[piece]
+	if t.haveInfo() {
+		return (1<<14)*piece < len(t.MetaData)
+	} else {
+		return t.metadataHave[piece]
+	}
 }
 
 func (t *torrent) metadataSizeKnown() bool {