From fcfbcd4000e4cc7c5a8beede7bfec7a4a5ce7fc8 Mon Sep 17 00:00:00 2001
From: Sam Hocevar <sam@hocevar.net>
Date: Thu, 6 Apr 2006 13:11:12 +0000
Subject: [PATCH]   * Check the magic bytes at the end of the buffer when
 cucul_load()ing it.

---
 cucul/cucul.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cucul/cucul.c b/cucul/cucul.c
index 87eec85..56296f6 100644
--- a/cucul/cucul.c
+++ b/cucul/cucul.c
@@ -96,6 +96,10 @@ cucul_t *cucul_load(void *data, unsigned int size)
     if(size != 12 + width * height * 5 + 4)
         return NULL;
 
+    if(buf[size - 4] != 'A' || buf[size - 3] != 'C'
+        || buf[size - 2] != 'A' || buf[size - 1] != 'C')
+        return NULL;
+
     qq = cucul_create(width, height);
 
     if(!qq)