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wireshark/epan/dissectors/packet-ppcap.c

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/* packet-ppcap.c
* Copyright 2012, 2014, Ericsson AB
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/address_types.h>
#include <epan/prefs.h>
#include "packet-mtp3.h"
#define INVALID_SSN 0xff
void proto_register_ppcap(void);
static guint8 ssn;
static dissector_handle_t ppcap_handle;
static dissector_handle_t mtp3_handle; /* MTP3 handle */
static dissector_handle_t tcap_handle; /* TCAP handle */
static dissector_handle_t bssap_handle; /* BSSAP handle */
static dissector_handle_t ranap_handle; /* RANAP handle */
static dissector_handle_t h248_handle; /* H248 handle */
static dissector_handle_t sip_handle; /* SIP handle */
static dissector_handle_t sccp_handle; /* SCCP handle */
static dissector_handle_t sgsap_handle; /* SGSAP handle */
static dissector_handle_t gtpv2_handle; /* GTPv2 handle */
static dissector_table_t sccp_ssn_dissector_table;
static mtp3_addr_pc_t* mtp3_addr_opc;
static mtp3_addr_pc_t* mtp3_addr_dpc;
static int ss7pc_address_type = -1;
static gint ett_ppcap = -1;
static gint ett_ppcap1 = -1;
static gint ett_ppcap_new = -1;
static const value_string payload_tag_values[] = {
{ 1, "Payload Type"},
{ 2, "Payload Data"},
{ 3, "Source Address"},
{ 4, "Destination Address"},
{ 5, "Local Port"},
{ 6, "Remote Port"},
{ 7, "Transfer Protocol used for message"},
{ 8, "SCTP association ID" },
{256, "Info String"},
{0, NULL},
};
static const value_string address_type_values[] = {
{1, "SSN+SPC"},
{2, "SPC"},
{3, "IP Address"},
{4, "Node Id"},
{0, NULL},
};
/* Initialise the header fields */
static int proto_ppcap= -1;
static int hf_ppcap_length = -1;
static int hf_ppcap_payload_type = -1;
static int hf_ppcap_ssn = -1;
static int hf_ppcap_spc = -1;
static int hf_ppcap_ssn1 = -1;
static int hf_ppcap_spc1 = -1;
static int hf_ppcap_opc = -1;
static int hf_ppcap_dpc = -1;
static int hf_ppcap_source_nodeid = -1;
static int hf_ppcap_destination_nodeid = -1;
/*static int hf_ppcap_source_address_type = -1; */
/*static int hf_ppcap_destination_address_type = -1; */
static int hf_ppcap_address_type = -1;
static int hf_ppcap_source_ip_address1 = -1;
static int hf_ppcap_source_ip_address2 = -1;
static int hf_ppcap_destination_ip_address1 = -1;
static int hf_ppcap_destination_ip_address2 = -1;
static int hf_ppcap_reserved = -1;
static int hf_ppcap_destreserved = -1;
static int hf_ppcap_info = -1;
static int hf_ppcap_payload_data = -1;
static int hf_ppcap_local_port = -1;
static int hf_ppcap_remote_port = -1;
static int hf_ppcap_transport_prot = -1;
static int hf_ppcap_sctp_assoc = -1;
/* Initiliaze the subtree pointers*/
void proto_reg_handoff_ppcap(void);
/* PPCAP payload types */
typedef enum {
PPCAP_UNKNOWN = 0,
PPCAP_MTP3 = 1,
PPCAP_TCAP = 2,
PPCAP_BSSAP = 3,
PPCAP_RANAP = 4,
PPCAP_H248 = 5,
PPCAP_SIP = 6,
PPCAP_SCCP = 7,
PPCAP_SGSAP = 8,
PPCAP_GTPV2 = 9
} payload_type_type;
static int dissect_ppcap_payload_type(tvbuff_t *, proto_tree *, int, payload_type_type *);
static int dissect_ppcap_source_address(tvbuff_t *, packet_info *, proto_tree *, int);
static int dissect_ppcap_destination_address(tvbuff_t *, packet_info *, proto_tree *, int);
static int dissect_ppcap_info_string(tvbuff_t *, proto_tree *, int);
static int dissect_ppcap_local_port(tvbuff_t *, proto_tree *, int);
static int dissect_ppcap_remote_port(tvbuff_t *,proto_tree *, int);
static int dissect_ppcap_transport_protocol(tvbuff_t *,proto_tree *, int);
static int dissect_ppcap_sctp_assoc(tvbuff_t *, proto_tree *, int);
static int dissect_ppcap_payload_data(tvbuff_t *, packet_info *, proto_tree *, int, proto_tree *, payload_type_type);
/*Dissecting the function PPCAP */
static int
dissect_ppcap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
proto_item *ti;
proto_tree *ppcap_tree, *ppcap_tree1;
guint16 msg_type;
int offset = 0;
payload_type_type payload_type = PPCAP_UNKNOWN;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "PPCAP");
col_clear(pinfo->cinfo, COL_INFO);
ti = proto_tree_add_item(tree, proto_ppcap, tvb, 0, -1, ENC_NA);
ppcap_tree = proto_item_add_subtree(ti, ett_ppcap);
while (tvb_reported_length_remaining(tvb, offset) > 0)
{
msg_type = tvb_get_ntohs(tvb, offset);
ppcap_tree1 = proto_tree_add_subtree(ppcap_tree, tvb, offset, 2, ett_ppcap1, NULL,
val_to_str(msg_type, payload_tag_values, "Unknown PPCAP message type (%u)"));
offset = offset + 2;
switch (msg_type) {
case 1:
payload_type = PPCAP_UNKNOWN;
offset = dissect_ppcap_payload_type(tvb, ppcap_tree1, offset, &payload_type);
break;
case 2:
offset = dissect_ppcap_payload_data(tvb, pinfo, ppcap_tree1, offset, tree, payload_type);
break;
case 3:
offset = dissect_ppcap_source_address(tvb, pinfo, ppcap_tree1, offset);
break;
case 4:
offset = dissect_ppcap_destination_address(tvb, pinfo, ppcap_tree1, offset);
break;
case 5:
offset = dissect_ppcap_local_port(tvb,ppcap_tree1, offset);
break;
case 6:
offset = dissect_ppcap_remote_port(tvb,ppcap_tree1, offset);
break;
case 7:
offset = dissect_ppcap_transport_protocol(tvb,ppcap_tree1, offset);
break;
case 8:
offset = dissect_ppcap_sctp_assoc(tvb, ppcap_tree1, offset);
break;
case 256:
offset = dissect_ppcap_info_string(tvb, ppcap_tree1, offset);
break;
}
}
return tvb_captured_length(tvb);
}
/* Dissecting the function Payload type to compare the protocol type */
/*
*******************************************************
* Payload Type *
* *
*******************************************************
*/
static int
dissect_ppcap_payload_type(tvbuff_t *tvb, proto_tree * ppcap_tree1, int offset, payload_type_type *payload_type)
{
char *string;
guint16 msg_len =0;
msg_len = tvb_get_ntohs(tvb, offset);
proto_tree_add_item( ppcap_tree1, hf_ppcap_length, tvb, offset, 2, ENC_BIG_ENDIAN);
offset = offset + 2;
string = tvb_get_string_enc(wmem_packet_scope(), tvb, offset, msg_len, ENC_UTF_8|ENC_NA);
if (strcmp(string,"mtp3") == 0) {
*payload_type = PPCAP_MTP3;
}else if (strcmp(string,"tcap") == 0) {
*payload_type = PPCAP_TCAP;
}else if (strcmp(string,"bssap") == 0) {
*payload_type = PPCAP_BSSAP;
}else if (strcmp(string,"ranap") == 0) {
*payload_type = PPCAP_RANAP;
}else if (strcmp(string,"h248") == 0) {
*payload_type = PPCAP_H248;
}else if (strcmp(string,"sip") == 0) {
*payload_type = PPCAP_SIP;
}else if (strcmp(string,"sccp") == 0) {
*payload_type = PPCAP_SCCP;
}else if (strcmp(string, "sgsap") == 0) {
*payload_type = PPCAP_SGSAP;
}else if (strcmp(string, "gtpv2") == 0) {
*payload_type = PPCAP_GTPV2;
}
proto_tree_add_item(ppcap_tree1, hf_ppcap_payload_type, tvb, offset, msg_len, ENC_UTF_8|ENC_NA);
if (msg_len%4)
msg_len = msg_len+(4-(msg_len%4));
offset += msg_len;
return offset;
}
/* Dissecting the function Source Address */
/*
*******************************************************
* Reserved * Address Type *
* * *
*******************************************************
* Address Value *
* *
*******************************************************
*/
static int
dissect_ppcap_source_address(tvbuff_t *tvb, packet_info *pinfo, proto_tree * ppcap_tree1, int offset)
{
int key1;
guint16 msg_len;
msg_len = tvb_get_ntohs(tvb, offset);
proto_tree_add_item( ppcap_tree1, hf_ppcap_length, tvb, offset, 2, ENC_BIG_ENDIAN);
offset = offset + 2;
proto_tree_add_item(ppcap_tree1, hf_ppcap_reserved, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
key1 = tvb_get_ntohs(tvb, offset);
proto_tree_add_item(ppcap_tree1, hf_ppcap_address_type, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
if (key1 == 1)
{
proto_tree_add_item(ppcap_tree1, hf_ppcap_ssn, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(ppcap_tree1, hf_ppcap_spc, tvb, offset, 3, ENC_BIG_ENDIAN);
/*src_addr1 = (guint32 )tvb_get_ntoh24(tvb, offset);*/
mtp3_addr_opc = wmem_new0(wmem_packet_scope(), mtp3_addr_pc_t);
mtp3_addr_opc->pc = (guint32 )tvb_get_ntoh24(tvb, offset);
mtp3_addr_opc->type = ITU_STANDARD;
mtp3_addr_opc->ni = 0;
/*set_address(&pinfo->net_src, ss7pc_address_type, sizeof(mtp3_addr_pc_t), (guint8 *) mtp3_addr_opc);*/
set_address(&pinfo->src, ss7pc_address_type, sizeof(mtp3_addr_pc_t), (guint8 *) mtp3_addr_opc);
if (msg_len%4)
msg_len = msg_len + (4 - (msg_len%4));
offset += msg_len-1;
return offset;
}
else if (key1 == 2)
{
proto_tree_add_item(ppcap_tree1, hf_ppcap_opc, tvb, offset, msg_len, ENC_BIG_ENDIAN);
/*src_addr1 = (guint32 )tvb_get_ntoh24(tvb, offset);*/
mtp3_addr_opc = wmem_new0(wmem_packet_scope(), mtp3_addr_pc_t);
mtp3_addr_opc->pc = tvb_get_ntohl(tvb, offset);
mtp3_addr_opc->type = ITU_STANDARD;
mtp3_addr_opc->ni = 0;
set_address(&pinfo->src, ss7pc_address_type, sizeof(mtp3_addr_pc_t), (guint8 *) mtp3_addr_opc);
}
else if (key1 == 3)
{
if (msg_len%16 != 0)
{
proto_tree_add_item(ppcap_tree1, hf_ppcap_source_ip_address1, tvb, offset, msg_len, ENC_NA);
set_address_tvb(&pinfo->net_src, AT_IPv4, 4, tvb, offset);
copy_address_shallow(&pinfo->src, &pinfo->net_src);
}
else
{
proto_tree_add_item(ppcap_tree1, hf_ppcap_source_ip_address2, tvb, offset, msg_len, ENC_NA);
set_address_tvb(&pinfo->net_src, AT_IPv6, 6, tvb, offset);
copy_address_shallow(&pinfo->src, &pinfo->net_src);
}
}
else if (key1 == 4)
{
proto_tree_add_item(ppcap_tree1, hf_ppcap_source_nodeid, tvb, offset, msg_len, ENC_ASCII|ENC_NA);
set_address_tvb(&pinfo->net_src, AT_STRINGZ, msg_len, tvb, offset);
copy_address_shallow(&pinfo->src, &pinfo->net_src);
}
if (msg_len%4)
msg_len = msg_len + (4 - (msg_len%4));
offset += msg_len;
return offset;
}
/* Dissecting the function Destination Address */
/*
*******************************************************
* Reserved * Address Type *
* * *
*******************************************************
* Address Value *
* *
*******************************************************
*/
static int
dissect_ppcap_destination_address(tvbuff_t *tvb, packet_info * pinfo, proto_tree * ppcap_tree1, int offset)
{
int key2;
guint16 msg_len;
msg_len = tvb_get_ntohs(tvb, offset);
proto_tree_add_item( ppcap_tree1, hf_ppcap_length, tvb, offset, 2, ENC_BIG_ENDIAN);
offset = offset + 2;
proto_tree_add_item(ppcap_tree1, hf_ppcap_destreserved, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
key2 = tvb_get_ntohs(tvb, offset);
proto_tree_add_item(ppcap_tree1, hf_ppcap_address_type, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
if (key2 == 1)
{
ssn = tvb_get_guint8(tvb, offset);
proto_tree_add_item(ppcap_tree1, hf_ppcap_ssn1, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(ppcap_tree1, hf_ppcap_spc1, tvb, offset, 3, ENC_BIG_ENDIAN);
/*dst_addr1 = (guint32 )tvb_get_ntoh24(tvb, offset);*/
mtp3_addr_dpc = wmem_new0(wmem_packet_scope(), mtp3_addr_pc_t);
mtp3_addr_dpc->pc = (guint32)tvb_get_ntoh24(tvb, offset);
mtp3_addr_dpc->type = ITU_STANDARD;
mtp3_addr_dpc->ni = 0;
set_address(&pinfo->dst, ss7pc_address_type, sizeof(mtp3_addr_pc_t), (guint8 *) mtp3_addr_dpc);
if (msg_len%4)
msg_len = msg_len + (4 - (msg_len%4));
offset += msg_len-1;
return offset;
}
else if (key2 == 2)
{
proto_tree_add_item(ppcap_tree1, hf_ppcap_dpc, tvb, offset, 4, ENC_BIG_ENDIAN);
/*dst_addr1 = (guint32 )tvb_get_ntoh24(tvb, offset);*/
mtp3_addr_dpc = wmem_new0(wmem_packet_scope(), mtp3_addr_pc_t);
mtp3_addr_dpc->pc = tvb_get_ntohl(tvb, offset);
mtp3_addr_dpc->type = ITU_STANDARD;
mtp3_addr_dpc->ni = 0;
set_address(&pinfo->dst, ss7pc_address_type, sizeof(mtp3_addr_pc_t), (guint8 *) mtp3_addr_dpc);
}
else if (key2 == 3)
{
if (msg_len%16 != 0)
{
proto_tree_add_item(ppcap_tree1, hf_ppcap_destination_ip_address1, tvb, offset, msg_len, ENC_NA);
set_address_tvb(&pinfo->net_dst, AT_IPv4, 4, tvb, offset);
copy_address_shallow(&pinfo->dst, &pinfo->net_dst);
}
else
{
proto_tree_add_item(ppcap_tree1, hf_ppcap_destination_ip_address2, tvb, offset, msg_len, ENC_NA);
set_address_tvb(&pinfo->net_dst, AT_IPv6, 6, tvb, offset);
copy_address_shallow(&pinfo->dst, &pinfo->net_dst);
}
}
else if (key2 == 4)
{
const guint8 *string;
proto_tree_add_item_ret_string(ppcap_tree1, hf_ppcap_destination_nodeid, tvb, offset, msg_len, ENC_UTF_8|ENC_NA, wmem_packet_scope(), &string);
set_address_tvb(&pinfo->net_dst, AT_STRINGZ, msg_len, tvb, offset);
copy_address_shallow(&pinfo->dst, &pinfo->net_dst);
}
if (msg_len%4)
msg_len = msg_len+(4-(msg_len%4));
offset += msg_len;
return offset;
}
/* Dissecting the function Info String */
/*
*******************************************************
* Info *
* *
*******************************************************
*/
static int
dissect_ppcap_info_string(tvbuff_t *tvb, proto_tree * ppcap_tree1, int offset)
{
guint16 msg_len;
msg_len = tvb_get_ntohs(tvb, offset);
proto_tree_add_item( ppcap_tree1, hf_ppcap_length, tvb, offset, 2, ENC_BIG_ENDIAN);
offset = offset + 2;
proto_tree_add_item(ppcap_tree1, hf_ppcap_info, tvb, offset, msg_len, ENC_ASCII|ENC_NA);
if (msg_len%4)
msg_len = msg_len +( 4- (msg_len%4));
offset += msg_len;
return offset;
}
/* Dissecting the function Local Port */
/*
*******************************************************
* Local Port *
* *
*******************************************************
*/
static int
dissect_ppcap_local_port(tvbuff_t *tvb,proto_tree * ppcap_tree1, int offset)
{
proto_tree_add_item(ppcap_tree1,hf_ppcap_local_port,tvb,offset,2,ENC_BIG_ENDIAN);
offset = offset+6; /*Adding offset of filler bytes without text*/
return offset;
}
/* Dissecting the function Remote Port */
/*
*******************************************************
* Remote Port *
* *
*******************************************************
*/
static int
dissect_ppcap_remote_port(tvbuff_t *tvb,proto_tree * ppcap_tree1, int offset)
{
proto_tree_add_item(ppcap_tree1,hf_ppcap_remote_port,tvb,offset,2,ENC_BIG_ENDIAN);
offset = offset+6; /*Adding offset of filler bytes without text*/
return offset;
}
/* Dissecting the function TCP SIP Message */
/*
*******************************************************
* Transport protocol *
* *
*******************************************************
*/
static int
dissect_ppcap_transport_protocol(tvbuff_t *tvb,proto_tree * ppcap_tree1, int offset)
{
proto_tree_add_item(ppcap_tree1, hf_ppcap_length, tvb, offset, 2, ENC_BIG_ENDIAN);
offset = offset + 2;
proto_tree_add_item(ppcap_tree1, hf_ppcap_transport_prot, tvb, offset, 4, ENC_ASCII | ENC_NA);
offset += 4;
return offset;
}
static int
dissect_ppcap_sctp_assoc(tvbuff_t *tvb _U_, proto_tree * tree _U_, int offset)
{
guint16 length;
length = tvb_get_ntohs(tvb, offset);
proto_tree_add_item(tree, hf_ppcap_length, tvb, offset, 2, ENC_BIG_ENDIAN);
offset = offset + 2;
proto_tree_add_item(tree, hf_ppcap_sctp_assoc, tvb, offset, length, ENC_ASCII | ENC_NA);
/* The string can be 1 -15 characters long but the IE is padded to 16 bytes*/
return offset + 16;
}
/* Dissecting the function Payload Data to call the protocol that based upon the type decided in the Payload Type */
/*
*******************************************************
* Payload Data *
* *
*******************************************************
*/
static int
dissect_ppcap_payload_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree * ppcap_tree1, int offset, proto_tree *tree, payload_type_type payload_type)
{
tvbuff_t *next_tvb;
guint16 msg_len;
msg_len = tvb_get_ntohs(tvb, offset);
proto_tree_add_item( ppcap_tree1, hf_ppcap_length, tvb, offset, 2, ENC_BIG_ENDIAN);
offset = offset + 2;
proto_tree_add_item(ppcap_tree1, hf_ppcap_payload_data, tvb, offset, msg_len, ENC_NA);
if (msg_len%4)
msg_len = msg_len +( 4- (msg_len%4));
next_tvb = tvb_new_subset_remaining(tvb, offset);
switch (payload_type) {
case PPCAP_MTP3:
call_dissector(mtp3_handle, next_tvb, pinfo, tree); /* calling the MTP3 handle */
break;
case PPCAP_TCAP:
/*
* The protocol which runs on TCAP takes the SSN value from the SCCP layer which is missing in this case.
* So we have made code changes for TCAP handle as below for taking the SSN value from ppcap.
*/
if (ssn != INVALID_SSN && dissector_try_uint(sccp_ssn_dissector_table, ssn, next_tvb, pinfo, tree)) {
return offset+msg_len;
}else{
call_dissector(tcap_handle, next_tvb, pinfo, tree); /* calling the TCAP handle */
}
break;
case PPCAP_BSSAP:
call_dissector(bssap_handle, next_tvb, pinfo, tree); /* calling the BSSAP handle */
break;
case PPCAP_RANAP:
call_dissector(ranap_handle, next_tvb, pinfo, tree); /* calling the RANAP handle */
break;
case PPCAP_H248:
call_dissector(h248_handle, next_tvb, pinfo, tree); /* calling the H248 handle */
break;
case PPCAP_SIP:
call_dissector(sip_handle, next_tvb, pinfo, tree); /* calling the SIP handle */
break;
case PPCAP_SCCP:
call_dissector(sccp_handle, next_tvb, pinfo, tree); /* calling the SCCP handle */
break;
case PPCAP_SGSAP:
call_dissector(sgsap_handle, next_tvb, pinfo, tree); /* calling the SGSAP handle */
break;
case PPCAP_GTPV2:
call_dissector(gtpv2_handle, next_tvb, pinfo, tree); /* calling the GTPv2 handle */
break;
default:
call_data_dissector(next_tvb, pinfo, tree); /* calling the DATA handle */
break;
}
offset += msg_len;
return offset;
}
/* Registering the hf variables */
void proto_register_ppcap(void)
{
module_t *ppcap_module;
static hf_register_info hf[] = {
{ &hf_ppcap_length,
{ "Length", "ppcap.length",
FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL}},
{ &hf_ppcap_payload_type,
{ "Payload Type" , "ppcap.payload_type", FT_STRING,
BASE_NONE, NULL, 0x0 , NULL, HFILL}},
{ &hf_ppcap_reserved,
{ "Reserved", "ppcap.reserved", FT_UINT16,
BASE_DEC, NULL, 0x00, NULL, HFILL}},
{ &hf_ppcap_address_type,
{ "Address Type", "ppcap.address_type", FT_UINT16,
BASE_DEC, VALS(address_type_values), 0x00 , NULL, HFILL}},
#if 0
{ &hf_ppcap_source_address_type,
{ "Source Address Type", "ppcap.source_address_type", FT_UINT16,
BASE_DEC, VALS(address_type_values), 0x00 , NULL, HFILL}},
#endif
{ &hf_ppcap_ssn,
{ "SSN", "ppcap.ssn", FT_UINT16,
BASE_DEC, NULL, 0x00, NULL, HFILL}},
{ &hf_ppcap_spc,
{"OPC", "ppcap.spc", FT_UINT24,
BASE_DEC, NULL, 0x00, NULL, HFILL}},
{ &hf_ppcap_opc,
{ "OPC", "ppcap.opc", FT_UINT16,
BASE_DEC, NULL, 0x00, NULL, HFILL}},
{ &hf_ppcap_source_ip_address1,
{ "Source IP Address", "ppcap.source_ip_address1", FT_IPv4,
BASE_NONE, NULL, 0x00, NULL, HFILL}},
{ &hf_ppcap_source_ip_address2,
{ "Source IP Address", "ppcap.source_ip_address2", FT_IPv6,
BASE_NONE, NULL, 0x00, NULL, HFILL}},
{ &hf_ppcap_destreserved,
{ "Reserved", "ppcap.destreserved", FT_UINT16,
BASE_DEC, NULL, 0x00, NULL, HFILL}},
#if 0
{ &hf_ppcap_destination_address_type,
{ "Destination Address Type", "ppcap.destination_address_type", FT_UINT16,
BASE_DEC, VALS(address_type_values), 0x00, NULL, HFILL}},
#endif
{ &hf_ppcap_ssn1,
{ "SSN", "ppcap.ssn1", FT_UINT8,
BASE_DEC, NULL, 0x00, NULL, HFILL}},
{ &hf_ppcap_spc1,
{ "DPC", "ppcap.spc1", FT_UINT24,
BASE_DEC, NULL, 0x00, NULL, HFILL}},
{ &hf_ppcap_dpc,
{ "DPC", "ppcap.dpc", FT_UINT32,
BASE_DEC, NULL, 0x00, NULL, HFILL}},
{ &hf_ppcap_destination_ip_address1,
{ "Destination IP Address", "ppcap.destination_ip_address1", FT_IPv4,
BASE_NONE, NULL, 0x00, NULL, HFILL}},
{ &hf_ppcap_destination_ip_address2,
{ "Destination IP Address", "ppcap.destination_ip_address2", FT_IPv6,
BASE_NONE, NULL, 0x00, NULL, HFILL}},
{ &hf_ppcap_source_nodeid,
{ "Source Node ID", "ppcap.source_nodeid", FT_STRING,
BASE_NONE, NULL, 0x00, NULL, HFILL}},
{ &hf_ppcap_destination_nodeid,
{ "Destination Node ID", "ppcap.destination_address", FT_STRING,
BASE_NONE, NULL, 0x00, NULL, HFILL}},
{ &hf_ppcap_info,
{ "Info", "ppcap.info", FT_STRING,
BASE_NONE, NULL, 0x0000, NULL, HFILL}},
{ &hf_ppcap_payload_data,
{ "Payload Data", "ppcap.payload_data", FT_BYTES,
BASE_NONE, NULL, 0x0000, NULL, HFILL}},
{ &hf_ppcap_local_port,
{ "Local Port", "ppcap.local_port", FT_UINT16,
BASE_DEC, NULL, 0x00, NULL, HFILL}},
{ &hf_ppcap_remote_port,
{ "Remote Port", "ppcap.remote_port", FT_UINT16,
BASE_DEC, NULL, 0x00, NULL, HFILL}},
{ &hf_ppcap_transport_prot,
{ "Transport Protocol" , "ppcap.transport_prot", FT_STRING,
BASE_NONE, NULL, 0x0 , NULL, HFILL}},
{ &hf_ppcap_sctp_assoc,
{ "SCTP Association ID" , "ppcap.sctp_assoc", FT_STRING,
BASE_NONE, NULL, 0x0 , NULL, HFILL } },
};
static gint *ett[]= {
&ett_ppcap,
&ett_ppcap1,
&ett_ppcap_new,
};
proto_ppcap = proto_register_protocol("Proprietary PCAP", "PPCAP", "ppcap");
proto_register_field_array(proto_ppcap , hf , array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
register_dissector("ppcap", dissect_ppcap, proto_ppcap);
ppcap_module = prefs_register_protocol(proto_ppcap, proto_reg_handoff_ppcap);
prefs_register_obsolete_preference(ppcap_module, "rev_doc");
}
void proto_reg_handoff_ppcap(void)
{
ppcap_handle = find_dissector_add_dependency("ppcap", proto_ppcap);
mtp3_handle = find_dissector_add_dependency("mtp3", proto_ppcap); /* calling the protocol MTP3 */
tcap_handle = find_dissector_add_dependency("tcap", proto_ppcap); /* calling the protocol TCAP */
bssap_handle = find_dissector_add_dependency("bssap", proto_ppcap); /* calling the protocol BSSAP */
ranap_handle = find_dissector_add_dependency("ranap", proto_ppcap); /* calling the protocol RANAP */
h248_handle = find_dissector_add_dependency("h248", proto_ppcap); /* calling the protocol H248 */
sip_handle = find_dissector_add_dependency("sip", proto_ppcap); /* calling the protocol SIP */
sccp_handle = find_dissector_add_dependency("sccp", proto_ppcap); /* calling the protocol SCCP */
sgsap_handle = find_dissector_add_dependency("sgsap", proto_ppcap); /* calling the protocol SGSAP */
gtpv2_handle = find_dissector_add_dependency("gtpv2", proto_ppcap); /* calling the protocol GTPv2 */
sccp_ssn_dissector_table = find_dissector_table("sccp.ssn");
ss7pc_address_type = address_type_get_by_name("AT_SS7PC");
}
/*
* Editor modelines - https://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 8
* tab-width: 8
* indent-tabs-mode: t
* End:
*
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
* :indentSize=8:tabSize=8:noTabs=false:
*/
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