Re: IMSI Dissection API?

[Anders Broman <a.broman () telia com>]

Tyson Key skrev 2011-01-06 15:59:
> Hi,
>
> I'm currently working on enhancing an *external dissector for Nokia's 
> Intelligent Service Interface protocol.
>
> So far, pretty much everything seems to work nicely, although I'm 
> struggling to find the best way to dissect the IMSI strings in certain 
> packets produced by the SIM resource, such as this one (starts after 
> the Service Type byte):
>
> No.     Time        Source                Destination           
> Protocol Resource   Info
>    436 36.824462   Modem                 Unknown               ISI     
>  SIM        Read IMSI Response
>
> Frame 436: 37 bytes on wire (296 bits), 37 bytes captured (296 bits)
> Linux cooked capture
> Intelligent Service Interface
>    Receiver Device: Unknown (0x10)
>    Sender Device: Modem (0x00)
>    Resource: SIM (0x09)
>    Length: 15
>    Receiver Object: 0x42
>    Sender Object: 0x34
>    Packet ID: 8
>    Payload
>        Message ID: SIM_IMSI_RESP_READ_IMSI (0x1e)
>        Service Type: READ_IMSI (0x2d)
>
> 0000  00 00 03 34 00 01 1b 1c df 82 91 45 00 00 00 f5   ...4.......E....
> 0010  10 00 09 00 0f 42 34 08 1e 2d 01 08 29 43 01 70   .....B4..-..)C.p
> 0020  33 65 49 32 fc                                    3eI2.
>
> I've tried to import the epan/dissectors/packet-gsm_map.h header in 
> order to use the dissect_gsm_map_IMSI() method, although my code 
> doesn't even compile afterwards - it bails out with a stream of errors 
> such as:
>
> [CC] src/isi-sim.c
> In file included from src/isi-sim.c:27:
> packet-gsm_map-template.h:54: error: expected ‘;’, ‘,’ or ‘)’ before ‘_U_’
> packet-gsm_map-template.h:55: error: expected ‘;’, ‘,’ or ‘)’ before ‘_U_’
> In file included from src/isi-sim.c:27:
> packet-gsm_map-exp.h:4: error: expected ‘;’, ‘,’ or ‘)’ before ‘_U_’
> In file included from src/isi-sim.c:27:
> packet-gsm_map-exp.h:8: error: expected ‘;’, ‘,’ or ‘)’ before ‘_U_’
> packet-gsm_map-exp.h:14: error: expected ‘;’, ‘,’ or ‘)’ before ‘_U_’
> packet-gsm_map-exp.h:15: error: expected ‘;’, ‘,’ or ‘)’ before ‘_U_’
> packet-gsm_map-exp.h:16: error: expected ‘;’, ‘,’ or ‘)’ before ‘_U_’
> packet-gsm_map-exp.h:17: error: expected ‘;’, ‘,’ or ‘)’ before ‘_U_’
> packet-gsm_map-exp.h:18: error: expected ‘;’, ‘,’ or ‘)’ before ‘_U_’
>
> [Stream of messages continues to line 102 of that file]
>
> I'm currently using Wireshark 1.5.0-SVN-35030 under Fedora 12, 
> although I plan to update this machine to a newer SVN revision soon.
>
> * https://bitbucket.org/vmlemon/usb_isi_dissector_for_wireshark/
>
> Thanks,
> Tyson.
>
> --
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> 00447934365844
I yhink you may have to
#include <epan/asn1.h>
before gsm_map
/Anders
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