Hi,
I was refering to the ranap.cnf file. But I suspect that the problem is
that you have built your dissector as a plugin and
need to have the ranap functions exported trough libethereal.def, try to
add them there possibly you need yo add export
in the ranap.h file like:
 
#line 1 "packet-ranap-exp.h"
extern const value_string ranap_Service_Handover_vals[];
extern const value_string ranap_TargetID_vals[];
extern int dissect_ranap_ResetAcknowledge(tvbuff_t *tvb _U_, int offset
_U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_);
extern int dissect_ranap_ResetResource(tvbuff_t *tvb _U_, int offset
_U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_);
extern int dissect_ranap_EncryptionInformation(tvbuff_t *tvb _U_, int
offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index
_U_);
extern int dissect_ranap_IntegrityProtectionInformation(tvbuff_t *tvb
_U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int
hf_index _U_);
extern int dissect_ranap_Service_Handover(tvbuff_t *tvb _U_, int offset
_U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_);
extern int dissect_ranap_TargetID(tvbuff_t *tvb _U_, int offset _U_,
asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_);

you'll ned to do this by hand as asn2wrs does not do this automatically.
 
You are probably better off building your dissector as a "normal"
dissector avoiding this kind of problems. As you are changing the main
code to make your
plugin to work you need to disrtribute a complete Wireshark package any
way not only the Plugin. Note that any one that gets this package
can request the source code under the GPL license.
Best regards
Anders

________________________________

From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
[EMAIL PROTECTED]
Sent: den 24 april 2007 10:44
To: wireshark-dev@wireshark.org
Subject: Re: [Wireshark-dev] Including ASN.1 format coding in a C
dissector



Hi ,

 

Can you specify which  .cnf  file, because we don't have a .cnf file in
my plugin directory..

Also , do we need to make any changes in makefie.am, makefile.common
etc??

 

Regards,

Tarani 

 

________________________________

From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Anders Broman
(AL/EAB)
Sent: Tuesday, April 24, 2007 1:49 PM
To: Developer support list for Wireshark
Subject: Re: [Wireshark-dev] Including ASN.1 format coding in a C
dissector

 

Hi,

Can you send me your .cnf file?

 

Best regards

Anders

 

________________________________

From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
[EMAIL PROTECTED]
Sent: den 24 april 2007 08:57
To: wireshark-dev@wireshark.org
Subject: Re: [Wireshark-dev] Including ASN.1 format coding in a C
dissector

Hi ,

 

The ID of your packet-ranap-template.h file:

$Id: packet-ranap-template.h 18228 2006-05-27 22:09:07Z etxrab $ *

Also packet-ranap-exp.h is included in the file packet-ranap-template.h.

 

I am unable to find the cause for the error.

 

Please help..

 

Regards,

Tarani

 

 

________________________________

From: Taraniteja Vishwanatha (WT01 - IP-Multimedia Carrier & Ent
Networks) 
Sent: Monday, April 23, 2007 12:10 PM
To: 'wireshark-dev@wireshark.org'
Subject: RE: Including ASN.1 format coding in a C dissector

 

Hi ,

 

I had to include some RANAP messages  in my dissector.

I have included in the following way:

 

dissect_xxx_msg(tvbuff_t *tvb,int offset,proto_tree
*macic_tree,packet_info *pinfo)

{

guint8 *buf = ep_alloc(10240);

tvbuff_t *ranap_tvb;

int i;

asn1_ctx_t actx;

 

offset = add_IE_indicator(tvb, offset, macic_tree); /* To add IE
Indicator */

offset = add_IE_length(tvb, offset, macic_tree);    /* To add IE length
*/

 

ranap_tvb = tvb_new_real_data(buf,i,i);

tvb_set_child_real_data_tvbuff(tvb,ranap_tvb);

add_new_data_source(pinfo, ranap_tvb, "RANAP OVER MACIC");

asn1_ctx_init(&actx, ASN1_ENC_PER, TRUE, pinfo);

offset= dissect_ranap_ResetAcknowledge(ranap_tvb, offset, &actx,
macic_tree, hf_macic_ranap_resetAcknowledge); 

................

.........

Remaining part of the msg continues..

}

I have included the appropriate headers : packet_ranap.h, packet_per.h,
packet_ber.h etc etc...

I am getting a run-time error mentioned below:

 

undefined symbol: dissect_ranap_ResetResource

 

Any other place that I have to declare the functions ???? 

Please help.....

 

Regards,

Tarani 

________________________________

From: Taraniteja Vishwanatha (WT01 - IP-Multimedia Carrier & Ent
Networks) 
Sent: Friday, April 13, 2007 12:52 PM
To: 'wireshark-dev@wireshark.org'
Subject: RE: 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@wireshark.org'
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@wireshark.org'
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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