https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7281
Summary: Patch: Add frame.interface_id support for pcap DLT_ERF
file format
Product: Wireshark
Version: SVN
Platform: All
OS/Version: All
Status: NEW
Severity: Enhancement
Priority: Low
Component: Wireshark
AssignedTo: bugzilla-admin@xxxxxxxxxxxxx
ReportedBy: stephen@xxxxxxxxxx
Depends on: 7266
Stephen Donnelly <stephen@xxxxxxxxxx> changed:
What |Removed |Added
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Attachment #8481| |review_for_checkin?
Flags| |
Created attachment 8481
--> https://bugs.wireshark.org/bugzilla/attachment.cgi?id=8481
pcap DLT_ERF frame.interface_id patch
Build Information:
wireshark 1.7.2 (SVN Rev 42814 from /trunk)
Copyright 1998-2012 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 (64-bit) with GTK+ 2.24.6, with Cairo 1.10.2, with Pango 1.29.3, with
GLib 2.30.0, with libpcap, with libz 1.2.3.4, with POSIX capabilities (Linux),
with SMI 0.4.8, with c-ares 1.7.4, with Lua 5.1, without Python, with GnuTLS
2.10.5, with Gcrypt 1.5.0, with MIT Kerberos, with GeoIP, with PortAudio <=
V18,
with AirPcap.
Running on Linux 3.0.0-19-generic, with locale en_NZ.UTF-8, with libpcap
version
1.3.0-PRE-GIT_2011_08_23, with libz 1.2.3.4, GnuTLS 2.10.5, Gcrypt 1.5.0,
without AirPcap.
Built using gcc 4.6.1.
--
This patch adds support for the frame.interface_id field when reading in pcap
files with DLT_ERF linktype.
When a pcap file is opened the linktype is checked. If the linktype is DLT_ERF,
we create four interface entries.
Since all ERF records have a 2-bit interface id field (erf.flags.cap) any ERF
file can contain records from 1-4 interfaces. This cannot be determined from a
capture file, so we create 4 interface_data entries, one for each potential
interface.
As pcap packet records are read from the file their interface_id is read from
the ERF record pseudo header in the pcap payload. This id is then set in the
wiretap pseudo header to enable frame.interface_id display.
If the opened file is subsequently saved as pcap DLT_ERF, pcapng, or ERF format
the interface_id information is preserved.
An example pcap file with DLT_ERF linktype presenting two interfaces is
available at: http://wiki.wireshark.org/SampleCaptures#InfiniBand
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