From 422419367fe231e2074945fabae1d7a280baf14a Mon Sep 17 00:00:00 2001
From: tc-wleite <wladimir.leite@gmail.com>
Date: Fri, 31 May 2024 09:42:32 -0300
Subject: [PATCH] '#2234: Do not try to link items with zero length.

---
 .../java/iped/parsers/bittorrent/TorrentFileParser.java   | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/iped-parsers/iped-parsers-impl/src/main/java/iped/parsers/bittorrent/TorrentFileParser.java b/iped-parsers/iped-parsers-impl/src/main/java/iped/parsers/bittorrent/TorrentFileParser.java
index 88cc3d3c4d..e6996a4ea2 100644
--- a/iped-parsers/iped-parsers-impl/src/main/java/iped/parsers/bittorrent/TorrentFileParser.java
+++ b/iped-parsers/iped-parsers-impl/src/main/java/iped/parsers/bittorrent/TorrentFileParser.java
@@ -372,9 +372,11 @@ private static List<FileInTorrent> extractFileList(BencodedDict dict, Metadata m
 
             // Try to link files to case items by hash
             for (FileInTorrent file : files) {
-                linkTorrentToItem(searcher, metadata, file, "md5", file.md5, md5Len);
-                linkTorrentToItem(searcher, metadata, file, "sha-1", file.sha1, sha1Len);
-                linkTorrentToItem(searcher, metadata, file, "edonkey", file.ed2k, edonkeyLen);
+                if (file.length > 0) {
+                    linkTorrentToItem(searcher, metadata, file, "md5", file.md5, md5Len);
+                    linkTorrentToItem(searcher, metadata, file, "sha-1", file.sha1, sha1Len);
+                    linkTorrentToItem(searcher, metadata, file, "edonkey", file.ed2k, edonkeyLen);
+                }
             }
 
         } else {