Wireshark-bugs: [Wireshark-bugs] [Bug 2521] New: Add support for decoding JPEG JFIF comments

From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Tue, 6 May 2008 00:45:23 -0700 (PDT)

http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=2521

           Summary: Add support for decoding JPEG JFIF comments
           Product: Wireshark
           Version: 0.99.7
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: Minor
          Priority: Low
         Component: Wireshark
        AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
        ReportedBy: pkj@xxxxxxxx


Created an attachment (id=1773)
 --> (http://bugs.wireshark.org/bugzilla/attachment.cgi?id=1773)
Add support for JFIF comments

Build Information:
wireshark 0.99.7

Copyright 1998-2007 Gerald Combs <gerald@xxxxxxxxxxxxx> and contributors.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Compiled with GTK+ 2.12.8, with GLib 2.16.1, with libpcap 0.9.4, with libz
1.2.3, with libpcre 6.6, without SMI, without ADNS, without Lua, with GnuTLS
1.4.1, with Gcrypt 1.2.3, with MIT Kerberos, without PortAudio, without
AirPcap.

Running on Linux 2.6.20-1.2962.fc6, with libpcap version 0.9.4.

Built using gcc 4.1.2 20070626 (Red Hat 4.1.2-13).

--
For some reason all JPEG JFIF markers except the one for comments (MARKER_COM)
are present in vals_marker[] in epan/dissectors/packet-image-jfif.c. This
prevents me from decoding JPEG images with comments. The attached patch should
rectify this problem.


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