Wireshark-bugs: [Wireshark-bugs] [Bug 3454] New: Feature Request: Add protocol sub-field to the

Date: Fri, 8 May 2009 00:43:44 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=3454

           Summary: Feature Request: Add protocol sub-field to the bootp
                    dissector (Option 12 Hostname)
           Product: Wireshark
           Version: 1.1.x (Experimental)
          Platform: Other
        OS/Version: Windows XP
            Status: NEW
          Severity: Enhancement
          Priority: Low
         Component: TShark
        AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
        ReportedBy: pseanmcintyre@xxxxxxxxxxx


Build Information:
TShark 1.1.3 (SVN Rev 27807)

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 GLib 2.20.0, 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,
with Lua 5.1, with GnuTLS 2.6.4, with Gcrypt 1.4.4, with MIT Kerberos, with
GeoIP.

Running on Windows XP Service Pack 3, build 2600, with WinPcap version 4.1
beta5
(packet.dll version 4.1.0.1452), based on libpcap version 1.0.0, GnuTLS 2.6.4,
Gcrypt 1.4.4.

Built using Microsoft Visual C++ 9.0 build 30729
--
I am requesting that a new bootp field be added which returns the value of
Option 12; "Hostname" in ascii.

>From Wireshark decode:

Option: (t=12,l=12) Host Name = "HST-NAME-123"

I suggest that the field be called bootp.hostname

This would be useful in tshark captures where the hostname could be listed
along with the src MAC address:

tshark -i 4 -t a -f "port 67 or 68" -T fields -e eth.src -e bootp.hostname

I would like use this to listen to a "Guest" VLAN for MAC addresses that are
not already added to the authorization database in a mac-authentication
environment.

The bootp.fqdn.name is not present until after an IP address is already
assigned.


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