https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=3445
Summary: Cops/PCMM Dissector - Gate Usage Info field assumes 32
bit integer
Product: Wireshark
Version: 1.1.x (Experimental)
Platform: Other
OS/Version: All
Status: NEW
Severity: Normal
Priority: Medium
Component: Wireshark
AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
ReportedBy: jrenzullo@xxxxxxxxxxx
Jared Renzullo <jrenzullo@xxxxxxxxxxx> changed:
What |Removed |Added
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Attachment #2974| |review_for_checkin?
Flag| |
Created an attachment (id=2974)
--> (https://bugs.wireshark.org/bugzilla/attachment.cgi?id=2974)
Patch file.
Build Information:
Version 1.1.4 (SVN Rev 28191)
Copyright 1998-2009 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+ 2.10.4, with GLib 2.12.3, with libpcap 0.9.4, with libz
1.2.3, with POSIX capabilities (Linux), without libpcre, without SMI, without
c-ares, without ADNS, without Lua, with GnuTLS 1.4.1, with Gcrypt 1.2.4, with
MIT Kerberos, without GeoIP, without PortAudio, without AirPcap.
NOTE: this build doesn't support the "matches" operator for Wireshark filter
syntax.
Running on Linux 2.6.18-128.1.6.el5, with libpcap version 0.9.4, GnuTLS 1.4.1,
Gcrypt 1.2.4.
Built using gcc 4.1.2 20080704 (Red Hat 4.1.2-44).
Wireshark is Open Source Software released under the GNU General Public
License.
Check the man page and http://www.wireshark.org for more information.
--
The Gate Usage Info field was not displaying properly because the dissector
code was looking for a 32 bit integer, when the PCMM spec says the field is a
64 bit integer. I updated the field to display properly. I also fixed a bug
with the UserID field. The field was assuming the string was null terminated,
but the string is only null terminated if the original string's length was not
a multiple of four. I fixed this by getting the string based on the expected
length instead of the null terminator.
The patch has passed fuzz testing.
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