From 362940cf89d413773f42268446e728c0f1199203 Mon Sep 17 00:00:00 2001
From: Adrien Destugues <pulkomandy@pulkomandy.tk>
Date: Mon, 16 Jun 2014 13:15:47 +0200
Subject: [PATCH] BMP sniffing: check more bytes

* Check that the two high-order byte of the DIB header size are 0 (the
largest known size according to wikipedia is 124 bytes).
* This avoids identifying any text file that starts with "BM" as a BMP
file.

Fixes #10912.
---
 src/data/mime_db/image/bmp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/data/mime_db/image/bmp b/src/data/mime_db/image/bmp
index d03c490e6f..8e5e881133 100644
--- a/src/data/mime_db/image/bmp
+++ b/src/data/mime_db/image/bmp
@@ -3,7 +3,7 @@ resource(0, "BEOS:TYPE") #'MIMS' "application/x-vnd.Be-meta-mime";
 
 resource(1, "META:TYPE") "image/bmp";
 
-resource(2, "META:SNIFF_RULE") "0.50 (\"BM\")";
+resource(2, "META:SNIFF_RULE") "0.50 (\"BM\") [16](\"\\000\\000\")";
 
 resource(3, "META:S:DESC") #'MSDC' "BMP image";