Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 3325] New: Added: FR MPLS PW support. Expanded: "default MPLS payload" menu.

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https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=3325

           Summary: Added: FR MPLS PW support. Expanded: "default MPLS
                    payload" menu.
           Product: Wireshark
           Version: 1.1.x (Experimental)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Enhancement
          Priority: Medium
         Component: Wireshark
        AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
        ReportedBy: artem.tamazov@xxxxxxxxxxx


Build Information:
TShark 1.1.3-tlab-pwe3-fr (SVN Rev unknown)

Compiled with GLib 2.18.4, with WinPcap (version unknown), with libz 1.2.3,
without POSIX capabilities, with libpcre 7.0, with SMI 0.4.8, with c-ares
1.6.0,
without Lua, with GnuTLS 2.6.4, with Gcrypt 1.4.4, with MIT Kerberos, with
GeoIP.

Running on Windows XP Service Pack 2, build 2600, with WinPcap version 4.0.2
(packet.dll version 4.0.0.1040), based on libpcap version 0.9.5, GnuTLS 2.6.4,
Gcrypt 1.4.4.

Built using Microsoft Visual C++ 7.10 build 3077
--
Introduction of decoding of MPLS payloads as FR PW (RFC4619)
It supports:
- FR DLCI mode
Not supported yet:
- Correct FR decode for encapsulations which contain fragmented FR frames.
- Correct FR decode for encapsulations with padding (CW.Length)
- FR DLCI Martini (legacy) mode (i.e. legacy CW).
- Possible validations of CW.Lenth for correctness.

The "default MPLS payload" menu expanded by:
- recently added HDLC PW dissectors,
- recently added ITDM dissector,
- this (FR PW) dissector.

Fuzz tested.


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