Wireshark-dev: Re: [Wireshark-dev] Dissector - Read data from file
From: Hans Glück <[email protected]>
Date: Sun, 1 Jun 2008 12:01:36 +0000 (GMT)
Hello,

thanks for all the hints. I looked into the code of text2pcap and this is a wonderful fundament to get my own pcap-creator program started. I have to think about whether I´ll use Java (parsing XML is in Java easier), C (perfect if I´ll implement my new capture file in ws) or Python (but I am not familiar with Python) to write this program.
Can I parse in Wireshark through XML? I found this: http://wiki.wireshark.org/XML, but I do not think that this is a solution for my parsing problem?
Regards,
Chris

----- Ursprüngliche Mail ----
Von: Gilbert Ramirez <[email protected]>
An: Developer support list for Wireshark <[email protected]>
Gesendet: Donnerstag, den 29. Mai 2008, 07:06:28 Uhr
Betreff: Re: [Wireshark-dev] Dissector - Read data from file

Look at the text2pcap program in the wireshark distribution as an example.

You could also use text2pcap. If you can write a program to convert
your XML to a text-file hex-dump, then you can execute text2pcap to
convert that to a pcap file.

--gilbert

On 5/28/08, Hans Glück <[email protected]> wrote:
> Hello,
>
>  thanks for the reply, but I think I had a false start, sorry. I should describe my problem more detailed...
>
>  I have a proprietary program/file (this file contains data from a multiplexer-trace in a GSM device -> the protocol/ packets is based on HDLC). I can export the data out of proprietary file to a XML-file. Wireshark doesn`t understand that format so I have the 3 options posted at the wireshark wiki (PacketInput). Because of my limited time, I think it will be the best way if  I´ll choose the way to convert the XML-file to a file which wireshark understands (libpcap). But I do not understand how to convert it, I mean how do I add the global header etc? I will convert it from XML file to *.txt file and then?
>
>  This is an example out of the XML file (just for your information)
>
>  <Transaction type="OUT" device="1" endpoint="2" status="ACK" speed="FS" time="8.443 704 917">
>    <Packet id="OUT" speed="FS" time="8.443 704 917">
>        <deviceAddress>1</deviceAddress>
>        <endpointNumber>2</endpointNumber>
>        <crc5>0x18</crc5>
>    </Packet>
>    <Packet id="DATA0" speed="FS" time="8.443 707 900">
>        <length>10</length>
>        <data>F9 07 88 09 61 74 69 0D 85 F9</data>
>        <crc16>0x157A</crc16>
>    </Packet>
>  <Packet id="ACK" speed="FS" time="8.443 718 000"/>
>  </Transaction>
>
>
>  Regards,
>  Chris
>
>  ----- Ursprüngliche Mail ----
>  Von: Jaap Keuter <[email protected]>
>  An: Developer support list for Wireshark <[email protected]>
>  Gesendet: Sonntag, den 25. Mai 2008, 18:21:02 Uhr
>  Betreff: Re: [Wireshark-dev] Dissector - Read data from file
>
>
>  Hans Glück wrote:
>  > Hello,
>  >
>  > I´m writing a dissector but I do not want to read the data live from the network.
>
>  The dissector doesn't care where the data comes from.
>
>  > I have a file (~60MB) with the data I want to dissect. What should I do that I can read the data from this file (e.g. that the user
>  can choose the file he/she want to analyze).
>
>  If the file is in any of the many formats Wireshark can read just open it.
>  You might want to split the file up before loading it, since it might consume
>  your systems memory with state information.
>
>  > Regards
>  > Chris
>
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>
>
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