[GNUnet-SVN] r2606 - Extractor/src/plugins/wordleaker

[grothoff]

Author: grothoff
Date: 2006-04-01 20:08:42 -0800 (Sat, 01 Apr 2006)
New Revision: 2606

Modified:
   Extractor/src/plugins/wordleaker/wordextractor.cc
Log:
Ronan Melennec writes:

Hello Christian,

This is a quick fix for wordextractor.cc, to avoid false positives
(example below). The fix is to just look at the file magic number.
The test may not be thorough enough -- I don't know
whether non OLE-2 Word files are supposed to be covered here ?



Modified: Extractor/src/plugins/wordleaker/wordextractor.cc
===================================================================
--- Extractor/src/plugins/wordleaker/wordextractor.cc   2006-04-02 03:48:51 UTC 
(rev 2605)
+++ Extractor/src/plugins/wordleaker/wordextractor.cc   2006-04-02 04:08:42 UTC 
(rev 2606)
@@ -321,7 +321,11 @@
       
     if ( (size < 512 + 898) || (filename == NULL) ) 
       return prev;
+    if (0 != memcmp(data, "\xd0\xcf\x11\xe0\xa1\xb1\x1a\xe1", 8))
+      /* look at file magic number to avoid false positives */
+      return prev;
 
+
     POLE::Storage* storage = new POLE::Storage(filename);
     storage->open();
     if (storage->result() != POLE::Storage::Ok ) {