Wireshark-bugs: [Wireshark-bugs] [Bug 12723] New: Feature request: add support for new mongodb 3
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Mon, 08 Aug 2016 17:42:43 +0000
Bug ID 12723
Summary Feature request: add support for new mongodb 3.2 wire protocol opcodes
Product Wireshark
Version 2.0.4
Hardware x86-64
OS All
Status UNCONFIRMED
Severity Normal
Priority Low
Component Dissection engine (libwireshark)
Assignee bugzilla-admin@wireshark.org
Reporter grossws@gmail.com 

Created attachment 14795 [details]
pcanpg with new opcodes

Build Information:
Wireshark 2.0.4

Copyright 1998-2016 Gerald Combs <gerald@wireshark.org> and contributors.
License GPLv2+: GNU GPL version 2 or later
<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
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 (64-bit) with Qt 5.6.1, with libpcap, with POSIX capabilities (Linux),
with libnl 3, with libz 1.2.8, with GLib 2.48.1, without SMI, with c-ares
1.11.0, with Lua 5.2, with GnuTLS 3.4.13, with Gcrypt 1.7.1, with MIT Kerberos,
with GeoIP, with QtMultimedia, without AirPcap.

Running on Linux 4.6.4-1-ARCH, with locale C, with libpcap version 1.7.4, with
libz 1.2.8, with GnuTLS 3.4.14, with Gcrypt 1.7.2.
       Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz (with SSE4.2)

Built using gcc 6.1.1 20160602.
--
Mongodb 3.2 added two new opcodes 2010 (OP_DB_COMMAND) and 2011
(OP_DB_COMMAND_REPLY) which aren't documented at [2] yet (see also [3]).

Example of running `mongo --eval 'db.fc.count()'` pcapng file is attached.
Please add this opcodes handling to dissector. 

It seems that all commands in new `mongo` client are migrated to using these
opcodes instead of old OP_QUERY/OP_UPDATE/OP_INSERT/etc.

[1]:
https://github.com/mongodb/mongo/blob/r3.2.0/src/mongo/util/net/message.h#L71-L72
[2]: https://docs.mongodb.com/manual/reference/mongodb-wire-protocol/
[3]: https://jira.mongodb.org/browse/DOCS-7696

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