Wireshark-bugs: [Wireshark-bugs] [Bug 13118] New: packet dissection for "OSPFv3 Router Informati

Date: Thu, 10 Nov 2016 01:53:57 +0000
Bug ID 13118
Summary packet dissection for "OSPFv3 Router Information Opaque LSA" (type 12) Area and AS flooding scope not supported
Product Wireshark
Version 2.3.x (Experimental)
Hardware All
OS All
Status UNCONFIRMED
Severity Normal
Priority Low
Component Dissection engine (libwireshark)
Assignee [email protected]
Reporter [email protected]

Build Information:
Wireshark 2.3.0 (v2.3.0rc0-1440-gcbccf05)

Copyright 1998-2016 Gerald Combs <[email protected]> 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 4.8.6, with libpcap, without POSIX capabilities,
without libnl, with GLib 2.40.2, with zlib 1.2.8, without SMI, with c-ares
1.10.0, without Lua, with GnuTLS 2.12.23, with Gcrypt 1.5.3, with MIT Kerberos,
without GeoIP, without nghttp2, without LZ4, without Snappy, without
QtMultimedia, without AirPcap.

Running on Linux 4.2.0-36-generic, with        Intel(R) Core(TM) i5-3230M CPU @
2.60GHz (with SSE4.2), with 3819 MB of physical memory, with locale C, with
libpcap version 1.5.3, with GnuTLS 2.12.23, with Gcrypt 1.5.3, with zlib 1.2.8.

Built using gcc 4.8.4.

--
OSPFv3 Opaque Router Information LSA (RFC4970) defines "S1/S2 bits are
dependent on the desired flooding scope for the LSA"

The wireshark dissection shows only for the "link local scope" (0x800c).
The Areas scope (0xa00c) and AS scope (0xc00c) are not displayed.

Open Shortest Path First
    OSPF Header
        Version: 3
        Message Type: LS Update (4)
        Packet Length: 80
        Source OSPF Router: 10.1.3.3
        Area ID: 0.0.0.0 (Backbone)
        Checksum: 0xe562 [correct]
        Instance ID: IPv6 unicast AF (0)
        Reserved: 00
    LS Update Packet
        Number of LSAs: 1
        LSA-type 40972 (Unknown), len 28
            .000 0001 1011 0000 = LS Age (seconds): 432
            0... .... .... .... = Do Not Age: False
            LS Type: Unknown (0xa00c)
            Link State ID: 0.0.0.0
            Advertising Router: 10.1.3.3
            Sequence Number: 0x80000001
            Checksum: 0xdcfa
            Length: 28
            [Expert Info (Warning/Protocol): Unknown LSA Type 0xa00c]
                [Unknown LSA Type 0xa00c]
                [Severity level: Warning]
                [Group: Protocol]


Note: The flooding scope is implemented correctly for OSPFv2


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