[Paul Offord <Paul.Offord@xxxxxxxxxxxx>]

Or to think of it another way, a feature to allow:

* The merging (enrichment) of network data with other data types - particularly attractive in these days of increasing encryption
* Extending the availability of the great features of Wireshark into other areas of IT support

Best regards...Paul

-----Original Message-----
From: Wireshark-dev [mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] On Behalf Of Jaap Keuter
Sent: 19 June 2017 07:43
To: Developer support list for Wireshark <wireshark-dev@xxxxxxxxxxxxx>
Subject: Re: [Wireshark-dev] Adding support to Wireshark for CSV, TSV and SSV data types

Hi,

So is this an attempt to make Wireshark into a glorified log file viewer? Kinda like Maslow's hammer?

Thanks,
Jaap


> On 19 Jun 2017, at 12:06, Paul Offord <Paul.Offord@xxxxxxxxxxxx> wrote:
> 
>> Do you mean "deal with arbitrary CSV and TSV files" or "deal with IIS Web logs that are in CSV and TSV format"?
> 
> Yes - I mean arbitrary comma, tab and space separated.  IIS web logs are in Space Separated Variable format (standard W3 format I believe).
> 
>> And is there any reason not to just take the log file reading part of your code, make it into a libwiretap module that *directly* reads those files using a WTAP_ENCAP_IIS_LOG encapsulation, and write a dissector for WTAP_ENCAP_IIS_LOG?
> 
> I'm sure it's possible, and that would be a future project.  The code is currently a Win32 Console app written in C++.
> 
>> Note that this would require support for random access to the file when reading it.
> 
> Yes, and a whole lot more.  I'm going to extend my console app to automatically determine data types, and we would need to replicate this in Wireshark if we are to read the files directly.  I think there will be  whole bunch more challenges, and so you can see that integrating this code into Wireshark is going to be quite a task.
> 
> Going back to the main objective, what I'm proposing is that we enable a PCAP-NG file to contain any text-based data together with a schema - JSON or XML or PCAP-NG proprietary.  There would be one WTAP_ENCAP_xxx type for any text-based data type.  Decoding would be based on the schema data.
> 
> Best regards...Paul
> 
> -----Original Message-----
> From: Wireshark-dev [mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] On 
> Behalf Of Guy Harris
> Sent: 18 June 2017 23:01
> To: Developer support list for Wireshark <wireshark-dev@xxxxxxxxxxxxx>
> Subject: Re: [Wireshark-dev] Adding support to Wireshark for CSV, TSV 
> and SSV data types
> 
> On Jun 18, 2017, at 5:54 PM, Paul Offord <Paul.Offord@xxxxxxxxxxxx> wrote:
> 
>> Some time ago I wrote a program that reads Microsoft IIS web log files and converts them into PCAP-NG format.  I then wrote a matching dissector to produce nice neat output.  I want to rewrite it because:
>> 
>> 	• The field names and data types are defined in the first record of the PCAP-NG file – this is how the dissector knows the layout of the file
>> 	• Each data record is encapsulated in a dummy Ethernet frame and I want to eliminate this
>> 	• I’d like to make it more general so that it can also deal with 
>> CSV, TSV and, later, variable format log records
> 
> Do you mean "deal with arbitrary CSV and TSV files" or "deal with IIS Web logs that are in CSV and TSV format"?
> 
> And is there any reason not to just take the log file reading part of your code, make it into a libwiretap module that *directly* reads those files using a WTAP_ENCAP_IIS_LOG encapsulation, and write a dissector for WTAP_ENCAP_IIS_LOG?
> 
> Note that this would require support for random access to the file when reading it.
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