Wireshark · Wireshark-dev: Re: [Wireshark-dev] Compilation error in asn.1 file

[<taraniteja.vishwanatha@xxxxxxxxx>]

Hi Anders,

Yeah you got right. This runs on top of the ANSI-TCAP layer.I am writing a separate asn for this file.

I did not import any operations from ANSI-TCAP. I feel there should be an identifier which TCAP identifies this dissector and its operations( I don't have that still).Can you please tell me , how does it do it??

In all the .asn files, before the DEFINITIONS , there is a declaration of the module/PDU ..for example in gsmmap and ansi_map :

MAP-Protocol{ 0 identified-organization (4) etsi (0) mobileDomain (0) gsm-Network (1) modules (3) map-Protocol (4) version5 (5) }

In the case of TCAP:

DialoguePDUs { ccitt recommendation q 773 modules (2) dialoguePDUs(2) version1 (1) }

I am not able to write this part for my .asn file. Can you please tell me the significance of this and how should I go about it??

BR,
Tarani 

> -----Original Message-----
> From: wireshark-dev-bounces@xxxxxxxxxxxxx [mailto:wireshark-dev-
> bounces@xxxxxxxxxxxxx] On Behalf Of Anders Broman
> Sent: Wednesday, December 26, 2007 4:46 PM
> To: 'Developer support list for Wireshark'
> Subject: Re: [Wireshark-dev] Compilation error in asn.1 file
> 
> Hi,
> Ok I think I remember now you are dealing with ANSI TCAP stuff - right?
> And you are hand writing the asn1 file?
> 
> I don't think asn2wrs can handle "ANSI OPERATIONS" in theory you should
> IMPORT OPERATIONS like:
> 
> IMPORTS
> 	OPERATION
> FROM TCAP-Remote-Operations-Information-Objects {iso(1)memberbody(2)
> usa(840) t1-114(10013)
> 	modules(0) informationObjects(1) version4(4) }
> 
> And that asn1 file should be compiled with your asn1 file or you could
> Declare the OPERATION class in our .cnf file.
> 
> However if you just define the parameters in the asn1 file like:
> 
> xxxRequest ::= SEQUENCE {
> 
> aaa (2) AAA,
> 
> bbb (3) BBB }
> 
> xxxResult ::=
> 
> (see ANSI MAP)
> 
> Then in your template file you'll have to make the connection from
> operation
> code to xxxRequest.
> Switch(code){
>  Case xxx:
> 	Dissect_xxxRequest();
> 	Break;
> }
> A bit more complicated to get it called from ANSI TCAP but that depends on
> How the ANSI TCAP bit looks in your case...
> 
> Regards
> Anders
> 
> -----Ursprungligt meddelande-----
> Från: wireshark-dev-bounces@xxxxxxxxxxxxx
> [mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] För
> taraniteja.vishwanatha@xxxxxxxxx
> Skickat: den 26 december 2007 11:20
> Till: wireshark-dev@xxxxxxxxxxxxx
> Ämne: Re: [Wireshark-dev] Compilation error in asn.1 file
> 
> 
> Hi ,
> 
> Let me explain you in detail. I have a protocol defined in asn.1 format ,
> whose operations and parameters look like the ones mentioned below:
> 
> Operation Code=1
> 
> Class=1
> 
> ASN.1 Formal Description
> 
> xxxRequest ::= OPERATION
> 
> PARAMETER SEQUENCE {
> 
> aaa (2) AAA,
> 
> bbb (3) BBB }
> 
> RESULT
> 
> reqresult (4) ReqResult
> 
> Parameters :
> 
> xxx ::= ENUMERATED {
> 
> xxxNotActive (0),
> 
> xxxActive (1) }
> 
> I have copied these exactly to generate my .asn file . I am still having
> hiccups in generating the .cnf file. But the code is not getting compiled
> and it is giving error at each line of the .asn file.
> 
> BR.
> Tarani
> 
> 
> > -----Original Message-----
> > From: wireshark-dev-bounces@xxxxxxxxxxxxx [mailto:wireshark-dev-
> > bounces@xxxxxxxxxxxxx] On Behalf Of Anders Broman
> > Sent: Tuesday, December 25, 2007 5:20 PM
> > To: 'Developer support list for Wireshark'
> > Subject: Re: [Wireshark-dev] Compilation error in asn.1 file
> >
> > Hi,
> > OPERATION is not a predefined asn1 type, in GSM MAP operation is from:
> >
> > :
> > IMPORTS
> > 	OPERATION
> > FROM Remote-Operations-Information-Objects {
> > joint-iso-itu-t remote-operations(4)
> >   informationObjects(5) version1(0)}
> > :
> >
> > And is used as:
> > sendRoutingInfo  OPERATION ::= {				--Timer m
> > -- The timer is set to the upper limit of the range if the GMSC supports
> > pre-paging.
> > 	ARGUMENT
> > 		SendRoutingInfoArg
> > 	RESULT
> > 		SendRoutingInfoRes
> > 	ERRORS {
> > 		systemFailure |
> > :
> > I'm not sure what you are trying to achieve...
> > Regards
> > Anders
> >
> > ________________________________________
> > Från: wireshark-dev-bounces@xxxxxxxxxxxxx
> > [mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] För
> > taraniteja.vishwanatha@xxxxxxxxx
> > Skickat: den 24 december 2007 11:46
> > Till: wireshark-dev@xxxxxxxxxxxxx
> > Ämne: Re: [Wireshark-dev] Compilation error in asn.1 file
> >
> > Hi ,
> >
> > There has to be a PDU added before DEFINITIONS in the .asn file. I don't
> > have it but used it from existing asn files, though it is different for
> > each
> > file.
> >
> > After that I am getting the following error:
> >
> > __main__.ParseError: LexToken(ASSIGNMENT,'::=',1,468)
> >
> > I think it is giving a problem at the following assingnment :
> >
> > XXX ::= OPERATION
> >
> > Here , I want to know whether the keyword OPERATION is in the standard
> > asn.1
> > notation , or some changes are required here?
> >
> > //Tarani
> >
> > ________________________________________
> > From: wireshark-dev-bounces@xxxxxxxxxxxxx
> > [mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] On Behalf Of Anders Broman
> > Sent: Monday, December 24, 2007 3:52 PM
> > To: 'Developer support list for Wireshark'
> > Subject: Re: [Wireshark-dev] Compilation error in asn.1 file
> >
> > Hi,
> > >tsrp.cnf:65: UserWarning: Duplicated FN_PARS for Command. Previous one
> is
> > at tsrp.cnf:57
> >
> > Is a problem in the .cnf file
> >
> > >__main__.ParseError: LexToken(DEFINITIONS,'DEFINITIONS',1,199)
> > Is a problem in the .asn file Line 199?
> > Regards
> > Anders
> >
> > ________________________________________
> > Från: wireshark-dev-bounces@xxxxxxxxxxxxx
> > [mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] För
> > taraniteja.vishwanatha@xxxxxxxxx
> > Skickat: den 24 december 2007 06:38
> > Till: wireshark-dev@xxxxxxxxxxxxx
> > Ämne: [Wireshark-dev] Compilation error in asn.1 file
> >
> > Hi ,
> >
> > I have written .asn and  .cnf files for my dissector. I have created a
> > nominal template.c and template .h files as I suppose the asn2wrs
> compiler
> > would generate the functions and declarations. I also suppose I should
> add
> > the variable declarations and function definitions after the
> compilation.
> >
> > I am getting the following error while compiling :
> >
> > python ../../tools/asn2wrs.py -b -e -p tsrp -c tsrp.cnf -s
> > packet-tsrp-template tsrp.asn
> > ASN.1 to Wireshark dissector compiler
> > tsrp.cnf:65: UserWarning: Duplicated FN_PARS for Command. Previous one
> is
> > at
> > tsrp.cnf:57
> >   #.FN_BODY  Command Result VAL_PTR = &parameter_tvb
> > Traceback (most recent call last):
> >   File "../../tools/asn2wrs.py", line 4875, in ?
> >     eth_main()
> >   File "../../tools/asn2wrs.py", line 4831, in eth_main
> >     ast.extend(yacc.parse(f.read(), lexer=lexer, debug=pd))
> >   File "/home/eth/plugin_dev/wireshark_tsrp/wireshark/tools/yacc.py",
> line
> > 334, in parse
> >     tok = self.errorfunc(errtoken)
> >   File "../../tools/asn2wrs.py", line 4705, in p_error
> >     raise ParseError(str(t))
> > __main__.ParseError: LexToken(DEFINITIONS,'DEFINITIONS',1,199)
> > make: *** [packet-tsrp.c] Error 1
> >
> > I am not sure the error is pertaining to .asn, .cnf or the template
> > files.Can somebody please help.
> >
> > BR,
> > Tarani
> >
> > _______________________________________________
> > Wireshark-dev mailing list
> > Wireshark-dev@xxxxxxxxxxxxx
> > http://www.wireshark.org/mailman/listinfo/wireshark-dev
> 
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