wireshark/asn1/ansi_tcap/ansi_tcap.cnf

# tcap.cnf
# $Id$
# tcap conformation file

#.OMIT_ASSIGNMENT
# Removed as they are giving 'defined but not used' warnings currently.
Priority
#.END

#--- OperationCode ---

#.FN_PARS
OperationCode            VAL_PTR = &ansi_tcap_private.d.OperationCode
OperationCode/private    VAL_PTR = &ansi_tcap_private.d.OperationCode_private
#.FN_FTR OperationCode
  ansi_tcap_private.d.OperationCode_item = actx->created_item;
#.END

#.FN_BODY OperationCode/national VAL_PTR = &ansi_tcap_private.d.OperationCode_national
 proto_tree *subtree;
 proto_item *spcifier_item;
 int start_offset = offset;
 guint8 family;
 guint8 specifier;
 
  %(DEFAULT_BODY)s
  /* mask off the H bit */
  ansi_tcap_private.d.OperationCode_national = (ansi_tcap_private.d.OperationCode_national&0x7fff);
 
  subtree = proto_item_add_subtree(actx->created_item, ett_ansi_tcap_op_code_nat);
  /* Bit H is used to distinguish between Operations that require a reply and those that do not. A value of 1
   * indicates that a reply is required; a value of 0 indicates that a reply is not required.
   */
  family = (ansi_tcap_private.d.OperationCode_national & 0x7f00)>>8;
  specifier = (guint8)(ansi_tcap_private.d.OperationCode_national & 0xff);
  proto_tree_add_item(subtree, hf_ansi_tcap_bit_h, tvb, start_offset, 2, ENC_BIG_ENDIAN);
  proto_tree_add_item(subtree, hf_ansi_tcap_op_family, tvb, start_offset, 2, ENC_BIG_ENDIAN);
  spcifier_item = proto_tree_add_item(subtree, hf_ansi_tcap_op_specifier, tvb, start_offset, 2, ENC_BIG_ENDIAN);

  switch(family){
	case 0:
		/* All Families ( Not used ) */
		break;
	case 1:
		/* Parameter */
		if(specifier== 1){
			proto_item_append_text(spcifier_item, " Provide Value");
		}else if (specifier== 2){
			proto_item_append_text(spcifier_item, " Set Value");
		}
		break;
	case 2:
		/* Charging */
		if (specifier== 1){
			proto_item_append_text(spcifier_item, " Bill Call");
		}
		break;
	case 3:
		/* Provide Instructions */
		if (specifier== 1){
			proto_item_append_text(spcifier_item, " Start");
		}else if (specifier== 2){
			proto_item_append_text(spcifier_item, " Assist");
		}
		break;
	case 4:
		/* Connection Control */
		if (specifier== 1){
			proto_item_append_text(spcifier_item, " Connect");
		}else if (specifier== 2){
			proto_item_append_text(spcifier_item, " Temporary Connect");
		}else if (specifier== 3){
			proto_item_append_text(spcifier_item, " Disconnect");
		}else if (specifier== 4){
			proto_item_append_text(spcifier_item, " Forward Disconnect");
		}
		break;
	default:
		break;
  }
  
#--- INVOKE ---

#.FN_BODY Invoke/parameter

  if(find_tcap_subdissector(tvb, actx, tree))
    offset = tvb_length(tvb);
  

#.FN_HDR Invoke
  ansi_tcap_private.d.pdu = 1;

#--- RETURN RESULT ---

#.FIELD_ATTR

#.FN_BODY ReturnResult/parameter
  if(find_tcap_subdissector(tvb, actx, tree))
    offset = tvb_length(tvb);

#.FN_HDR ReturnResult
  ansi_tcap_private.d.pdu = 2;


#--- RETURN ERROR ---

#.FN_BODY ReturnError/parameter
  if(find_tcap_subdissector(tvb, actx, tree))
    offset = tvb_length(tvb);

#.FN_HDR ReturnError
  ansi_tcap_private.d.pdu = 3;

#--- ObjectIDApplicationContext --
#.FN_BODY ObjectIDApplicationContext FN_VARIANT = _str  VAL_PTR = &oid_str

 static const char * oid_str;

 %(DEFAULT_BODY)s
 	ansi_tcap_private.objectApplicationId_oid= (const void*) oid_str;
	ansi_tcap_private.oid_is_present=TRUE;

#.FN_HDR PackageType/unidirectional
gp_tcapsrt_info->ope=TC_ANSI_ALL;
col_set_str(actx->pinfo->cinfo, COL_INFO, "unidirectional ");

#.FN_HDR PackageType/queryWithPerm
gp_tcapsrt_info->ope=TC_ANSI_ALL;
col_set_str(actx->pinfo->cinfo, COL_INFO, "queryWithPerm ");

#.FN_HDR PackageType/queryWithoutPerm
gp_tcapsrt_info->ope=TC_ANSI_ALL;
col_set_str(actx->pinfo->cinfo, COL_INFO, "queryWithoutPerm ");

#.FN_HDR PackageType/response
gp_tcapsrt_info->ope=TC_ANSI_ALL;
col_set_str(actx->pinfo->cinfo, COL_INFO, "response ");

#.FN_HDR PackageType/conversationWithPerm
gp_tcapsrt_info->ope=TC_ANSI_ALL;
col_set_str(actx->pinfo->cinfo, COL_INFO, "conversationWithPerm ");

#.FN_HDR PackageType/conversationWithoutPerm
gp_tcapsrt_info->ope=TC_ANSI_ALL;
col_set_str(actx->pinfo->cinfo, COL_INFO, "conversationWithoutPerm ");

#.FN_HDR PackageType/abort
gp_tcapsrt_info->ope=TC_ANSI_ABORT;
col_set_str(actx->pinfo->cinfo, COL_INFO, "Abort ");

#.FN_BODY TransactionID/_untag VAL_PTR = &next_tvb

tvbuff_t *next_tvb;
guint8 len;

%(DEFAULT_BODY)s

if(next_tvb) {
	len = tvb_length_remaining(next_tvb, 0);
	if(len !=0){
		/* 0 octets for the Unidirectional, 
		 * 4 octets for Query, Response & Abort
		 * 8 octets for Conversation in the order Originating then Responding TID
		 * 
		 * In order to match this it seems like we should only use the last 4 octets
		 * in the 8 octets case.
		 */
		if (len > 4){
			ansi_tcap_private.TransactionID_str = tvb_bytes_to_ep_str(next_tvb, 4,len-4);
		}else{
			ansi_tcap_private.TransactionID_str = tvb_bytes_to_ep_str(next_tvb, 0,len);
		}
	}
	switch(len) {
	case 1:
		gp_tcapsrt_info->src_tid=tvb_get_guint8(next_tvb, 0);
		break;
	case 2:
		gp_tcapsrt_info->src_tid=tvb_get_ntohs(next_tvb, 0);
		break;
	case 4:
		gp_tcapsrt_info->src_tid=tvb_get_ntohl(next_tvb, 0);
		break;
	default:
		gp_tcapsrt_info->src_tid=0;
		break;
	}
}

#.END