Wireshark-dev: Re: [Wireshark-dev] Including ASN.1 format coding in a C dissector
Hi,
2.In packet-ranap.h, I have included the corresponding functions of the messages which I want to add.
This shouldn't be neeeded if you regenerated the RANAP dissector wich you must.
( run nmake -f makefile.nmake ranap in the asn1 directory).
error: `actx' undeclared (first use in this function)
error: (Each undeclared identifier is reported only once
Without checking - isn't actx required in the funktion calls? e.g you ned to define it and initialise it
before calling the RANAP dissector ( chec in packet-ranap.c for actx_init or simmilar).
BR
Anders
________________________________
Från: wireshark-dev-bounces@xxxxxxxxxxxxx genom taraniteja.vishwanatha@xxxxxxxxx
Skickat: fr 2007-04-13 09:22
Till: wireshark-dev@xxxxxxxxxxxxx
Ämne: Re: [Wireshark-dev] Including ASN.1 format coding in a C dissector
Hi Anders,
To include the RANAP messages in my dissector, I have done the following:
1.In ranap.cnf under #.EXPORTS, I have added the message id s which I want to export.
2.In packet-ranap.h, I have included the corresponding functions of the messages which I want to add.
3.In my dissector , I have included packet-ranap.h , packet-per.h and called the functions appropriately.
But I am getting errors due to some linking problems.
error: `actx' undeclared (first use in this function)
error: (Each undeclared identifier is reported only once
I have not defined asn1_ctx_t *actx in my dissector as I have included the appropriate headers.
Can you please help???
Regards,
Tarani
________________________________
From: Taraniteja Vishwanatha (WT01 - IP-Multimedia Carrier & Ent Networks)
Sent: Thursday, April 12, 2007 11:32 AM
To: 'wireshark-dev@xxxxxxxxxxxxx'
Subject: RE: Including ASN.1 format coding in a C dissector
Hi Anders,
Thanks for the information. The dissector is propreitary , hence I cant include it in Wireshark.
I will include RANAP messages in the way you have mentioned.
But then , I will have a tough time forming packets for testing . Any clue how can I form the packets.
Thanks in advance.
Regards,
Tarani
________________________________
From: Taraniteja Vishwanatha (WT01 - IP-Multimedia Carrier & Ent Networks)
Sent: Wednesday, April 11, 2007 5:40 PM
To: 'wireshark-dev@xxxxxxxxxxxxx'
Subject: Including ASN.1 format coding in a C dissector
Hi ,
I have written a dissector for a protocol which has a coding standard of Tag-Length-Value. Now in this dissector , I have to add some messages of RANAP protocol which has a coding standard in ASN.1 format.Already the dissector for RANAP is available in the wireshark. Now:
1.Can I call the existing dissector for those particular messages??? If so how do I do that??
2. If I want to include it normally in my dissector, how can I convert the ASN.1 format to obtain the tag and lengths of individual parameters??
Can anybody please help??
//Tarani
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