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wireshark/epan/dissectors/packet-exported_pdu.c

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/* packet-exported_pdu.c
* Routines for exported_pdu dissection
* Copyright 2013, Anders Broman <anders-broman@ericsson.com>
*
* 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 <wiretap/wtap.h>
#include <epan/to_str.h>
#include <epan/address_types.h>
#include <epan/exported_pdu.h>
#include "packet-mtp3.h"
#include "packet-dvbci.h"
#include "packet-tcp.h"
void proto_register_exported_pdu(void);
void proto_reg_handoff_exported_pdu(void);
static int hf_ip_addr = -1;
static int hf_ip_dst = -1;
static int hf_ip_src = -1;
static int hf_ipv6_addr = -1;
static int hf_ipv6_dst = -1;
static int hf_ipv6_src = -1;
static int proto_exported_pdu = -1;
static int hf_exported_pdu_tag = -1;
static int hf_exported_pdu_tag_len = -1;
static int hf_exported_pdu_unknown_tag_val = -1;
static int hf_exported_pdu_prot_name = -1;
static int hf_exported_pdu_heur_prot_name = -1;
static int hf_exported_pdu_dis_table_name = -1;
static int hf_exported_pdu_p2p_dir = -1;
static int hf_exported_pdu_dissector_data = -1;
static int hf_exported_pdu_ipv4_src = -1;
static int hf_exported_pdu_ipv4_dst = -1;
static int hf_exported_pdu_ipv6_src = -1;
static int hf_exported_pdu_ipv6_dst = -1;
static int hf_exported_pdu_port_type = -1;
static int hf_exported_pdu_src_port = -1;
static int hf_exported_pdu_dst_port = -1;
/** static int hf_exported_pdu_sctp_ppid = -1; **/
static int hf_exported_pdu_ss7_opc = -1;
static int hf_exported_pdu_ss7_dpc = -1;
static int hf_exported_pdu_orig_fno = -1;
static int hf_exported_pdu_dvbci_evt = -1;
static int hf_exported_pdu_exported_pdu = -1;
static int hf_exported_pdu_dis_table_val = -1;
static int hf_exported_pdu_col_proto_str = -1;
/* Initialize the subtree pointers */
static gint ett_exported_pdu = -1;
static gint ett_exported_pdu_tag = -1;
static int ss7pc_address_type = -1;
static dissector_handle_t exported_pdu_handle;
#define EXPORTED_PDU_NEXT_PROTO_STR 0
#define EXPORTED_PDU_NEXT_HEUR_PROTO_STR 1
#define EXPORTED_PDU_NEXT_DIS_TABLE_STR 2
static const value_string exported_pdu_tag_vals[] = {
{ EXP_PDU_TAG_END_OF_OPT, "End-of-options" },
/* 1 - 9 reserved */
{ EXP_PDU_TAG_OPTIONS_LENGTH, "Total length of the options excluding this TLV" },
{ EXP_PDU_TAG_LINKTYPE, "Linktype value" },
{ EXP_PDU_TAG_PROTO_NAME, "PDU content protocol name" },
{ EXP_PDU_TAG_HEUR_PROTO_NAME, "PDU content heuristic protocol name" },
{ EXP_PDU_TAG_DISSECTOR_TABLE_NAME, "PDU content dissector table name" },
/* Add protocol type related tags here */
/* 14 - 19 reserved */
{ EXP_PDU_TAG_IPV4_SRC, "IPv4 Source Address" },
{ EXP_PDU_TAG_IPV4_DST, "IPv4 Destination Address" },
{ EXP_PDU_TAG_IPV6_SRC, "IPv6 Source Address" },
{ EXP_PDU_TAG_IPV6_DST, "IPv6 Destination Address" },
{ EXP_PDU_TAG_PORT_TYPE, "Port Type" },
{ EXP_PDU_TAG_SRC_PORT, "Source Port" },
{ EXP_PDU_TAG_DST_PORT, "Destination Port" },
{ EXP_PDU_TAG_SS7_OPC, "SS7 OPC" },
{ EXP_PDU_TAG_SS7_DPC, "SS7 DPC" },
{ EXP_PDU_TAG_ORIG_FNO, "Original Frame number" },
{ EXP_PDU_TAG_DVBCI_EVT, "DVB-CI event" },
{ EXP_PDU_TAG_DISSECTOR_TABLE_NAME_NUM_VAL, "Dissector table value" },
{ EXP_PDU_TAG_COL_PROT_TEXT, "Column Protocol String" },
{ EXP_PDU_TAG_TCP_INFO_DATA, "TCP Dissector Data" },
{ EXP_PDU_TAG_P2P_DIRECTION, "P2P direction" },
{ 0, NULL }
};
static const value_string exported_pdu_port_type_vals[] = {
{ EXP_PDU_PT_NONE, "NONE" },
{ EXP_PDU_PT_SCTP, "SCTP" },
{ EXP_PDU_PT_TCP, "TCP" },
{ EXP_PDU_PT_UDP, "UDP" },
{ EXP_PDU_PT_DCCP, "DCCP" },
{ EXP_PDU_PT_IPX, "IPX" },
{ EXP_PDU_PT_NCP, "NCP" },
{ EXP_PDU_PT_EXCHG, "FC EXCHG" },
{ EXP_PDU_PT_DDP, "DDP" },
{ EXP_PDU_PT_SBCCS, "FICON SBCCS" },
{ EXP_PDU_PT_IDP, "IDP" },
{ EXP_PDU_PT_TIPC, "TIPC" },
{ EXP_PDU_PT_USB, "USB" },
{ EXP_PDU_PT_I2C, "I2C" },
{ EXP_PDU_PT_IBQP, "IBQP" },
{ EXP_PDU_PT_BLUETOOTH,"BLUETOOTH" },
{ EXP_PDU_PT_TDMOP, "TDMOP" },
{ 0, NULL }
};
static const value_string exported_pdu_p2p_dir_vals[] = {
{ P2P_DIR_SENT, "Sent" },
{ P2P_DIR_RECV, "Received" },
{ P2P_DIR_UNKNOWN, "Unknown" },
{ 0, NULL }
};
static port_type exp_pdu_port_type_to_ws_port_type(guint type)
{
switch (type)
{
case EXP_PDU_PT_NONE:
return PT_NONE;
case EXP_PDU_PT_SCTP:
return PT_SCTP;
case EXP_PDU_PT_TCP:
return PT_TCP;
case EXP_PDU_PT_UDP:
return PT_UDP;
case EXP_PDU_PT_DCCP:
return PT_DCCP;
case EXP_PDU_PT_IPX:
return PT_IPX;
case EXP_PDU_PT_DDP:
return PT_DDP;
case EXP_PDU_PT_IDP:
return PT_IDP;
case EXP_PDU_PT_USB:
return PT_USB;
case EXP_PDU_PT_I2C:
return PT_I2C;
case EXP_PDU_PT_IBQP:
return PT_IBQP;
case EXP_PDU_PT_BLUETOOTH:
return PT_BLUETOOTH;
case EXP_PDU_PT_EXCHG:
case EXP_PDU_PT_TIPC:
case EXP_PDU_PT_TDMOP:
case EXP_PDU_PT_NCP:
case EXP_PDU_PT_SBCCS:
//no longer supported
break;
}
DISSECTOR_ASSERT(FALSE);
return PT_NONE;
}
/* Code to actually dissect the packets */
static int
dissect_exported_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
proto_item *exported_pdu_ti, *ti, *item;
proto_tree *exported_pdu_tree, *tag_tree;
tvbuff_t * payload_tvb = NULL;
int offset = 0;
guint16 tag;
int tag_len;
int next_proto_type = -1;
const guint8 *proto_name = NULL;
const guint8 *dissector_table = NULL;
const guint8 *col_proto_str = NULL;
dissector_handle_t proto_handle;
mtp3_addr_pc_t *mtp3_addr;
guint8 dvb_ci_dir;
guint32 dissector_table_val=0;
dissector_table_t dis_tbl;
void* dissector_data = NULL;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "Exported PDU");
/* create display subtree for the protocol */
exported_pdu_ti = proto_tree_add_item(tree, proto_exported_pdu, tvb, offset, -1, ENC_NA);
exported_pdu_tree = proto_item_add_subtree(exported_pdu_ti, ett_exported_pdu);
do {
tag = tvb_get_ntohs(tvb, offset);
ti = proto_tree_add_item(exported_pdu_tree, hf_exported_pdu_tag, tvb, offset, 2, ENC_BIG_ENDIAN);
offset+=2;
tag_tree = proto_item_add_subtree(ti, ett_exported_pdu_tag);
proto_tree_add_item(tag_tree, hf_exported_pdu_tag_len, tvb, offset, 2, ENC_BIG_ENDIAN);
tag_len = tvb_get_ntohs(tvb, offset);
proto_item_set_len(ti, 4 + tag_len);
offset+=2;
switch(tag) {
case EXP_PDU_TAG_PROTO_NAME:
next_proto_type = EXPORTED_PDU_NEXT_PROTO_STR;
proto_tree_add_item_ret_string(tag_tree, hf_exported_pdu_prot_name, tvb, offset, tag_len, ENC_UTF_8|ENC_NA, pinfo->pool, &proto_name);
break;
case EXP_PDU_TAG_HEUR_PROTO_NAME:
next_proto_type = EXPORTED_PDU_NEXT_HEUR_PROTO_STR;
proto_tree_add_item_ret_string(tag_tree, hf_exported_pdu_heur_prot_name, tvb, offset, tag_len, ENC_UTF_8|ENC_NA, pinfo->pool, &proto_name);
break;
case EXP_PDU_TAG_DISSECTOR_TABLE_NAME:
next_proto_type = EXPORTED_PDU_NEXT_DIS_TABLE_STR;
proto_tree_add_item_ret_string(tag_tree, hf_exported_pdu_dis_table_name, tvb, offset, tag_len, ENC_UTF_8 | ENC_NA, pinfo->pool, &dissector_table);
break;
case EXP_PDU_TAG_IPV4_SRC:
proto_tree_add_item(tag_tree, hf_exported_pdu_ipv4_src, tvb, offset, 4, ENC_BIG_ENDIAN);
/* You can filter on IP by right clicking the Source/Destination columns make that work by filling the IP hf:s*/
item = proto_tree_add_item(tag_tree, hf_ip_addr, tvb, offset, 4, ENC_BIG_ENDIAN);
proto_item_set_hidden(item);
item = proto_tree_add_item(tag_tree, hf_ip_src, tvb, offset, 4, ENC_BIG_ENDIAN);
proto_item_set_hidden(item);
set_address_tvb(&pinfo->net_src, AT_IPv4, 4, tvb, offset);
copy_address_shallow(&pinfo->src, &pinfo->net_src);
break;
case EXP_PDU_TAG_IPV4_DST:
proto_tree_add_item(tag_tree, hf_exported_pdu_ipv4_dst, tvb, offset, 4, ENC_BIG_ENDIAN);
/* You can filter on IP by right clicking the Source/Destination columns make that work by filling the IP hf:s*/
item = proto_tree_add_item(tag_tree, hf_ip_addr, tvb, offset, 4, ENC_BIG_ENDIAN);
proto_item_set_hidden(item);
item = proto_tree_add_item(tag_tree, hf_ip_dst, tvb, offset, 4, ENC_BIG_ENDIAN);
proto_item_set_hidden(item);
set_address_tvb(&pinfo->net_dst, AT_IPv4, 4, tvb, offset);
copy_address_shallow(&pinfo->dst, &pinfo->net_dst);
break;
case EXP_PDU_TAG_IPV6_SRC:
proto_tree_add_item(tag_tree, hf_exported_pdu_ipv6_src, tvb, offset, 16, ENC_NA);
/* You can filter on IP by right clicking the Source/Destination columns make that work by filling the IP hf:s*/
item = proto_tree_add_item(tag_tree, hf_ipv6_addr, tvb, offset, 16, ENC_BIG_ENDIAN);
proto_item_set_hidden(item);
item = proto_tree_add_item(tag_tree, hf_ipv6_src, tvb, offset, 16, ENC_BIG_ENDIAN);
proto_item_set_hidden(item);
set_address_tvb(&pinfo->net_src, AT_IPv6, 16, tvb, offset);
copy_address_shallow(&pinfo->src, &pinfo->net_src);
break;
case EXP_PDU_TAG_IPV6_DST:
proto_tree_add_item(tag_tree, hf_exported_pdu_ipv6_dst, tvb, offset, 16, ENC_NA);
/* You can filter on IP by right clicking the Source/Destination columns make that work by filling the IP hf:s*/
item = proto_tree_add_item(tag_tree, hf_ipv6_addr, tvb, offset, 16, ENC_BIG_ENDIAN);
proto_item_set_hidden(item);
item = proto_tree_add_item(tag_tree, hf_ipv6_dst, tvb, offset, 16, ENC_BIG_ENDIAN);
proto_item_set_hidden(item);
set_address_tvb(&pinfo->net_dst, AT_IPv6, 16, tvb, offset);
copy_address_shallow(&pinfo->dst, &pinfo->net_dst);
break;
case EXP_PDU_TAG_PORT_TYPE:
pinfo->ptype = exp_pdu_port_type_to_ws_port_type(tvb_get_ntohl(tvb, offset));
proto_tree_add_item(tag_tree, hf_exported_pdu_port_type, tvb, offset, 4, ENC_BIG_ENDIAN);
break;
case EXP_PDU_TAG_SRC_PORT:
proto_tree_add_item(tag_tree, hf_exported_pdu_src_port, tvb, offset, 4, ENC_BIG_ENDIAN);
pinfo->srcport = tvb_get_ntohl(tvb, offset);
break;
case EXP_PDU_TAG_DST_PORT:
proto_tree_add_item(tag_tree, hf_exported_pdu_dst_port, tvb, offset, 4, ENC_BIG_ENDIAN);
pinfo->destport = tvb_get_ntohl(tvb, offset);
break;
case EXP_PDU_TAG_SS7_OPC:
proto_tree_add_item(tag_tree, hf_exported_pdu_ss7_opc, tvb, offset, 4, ENC_BIG_ENDIAN);
mtp3_addr = wmem_new0(pinfo->pool, mtp3_addr_pc_t);
mtp3_addr->pc = tvb_get_ntohl(tvb, offset);
mtp3_addr->type = (Standard_Type)tvb_get_ntohs(tvb, offset+4);
mtp3_addr->ni = tvb_get_guint8(tvb, offset+6);
set_address(&pinfo->src, ss7pc_address_type, sizeof(mtp3_addr_pc_t), (guint8 *) mtp3_addr);
break;
case EXP_PDU_TAG_SS7_DPC:
proto_tree_add_item(tag_tree, hf_exported_pdu_ss7_dpc, tvb, offset, 4, ENC_BIG_ENDIAN);
mtp3_addr = wmem_new0(pinfo->pool, mtp3_addr_pc_t);
mtp3_addr->pc = tvb_get_ntohl(tvb, offset);
mtp3_addr->type = (Standard_Type)tvb_get_ntohs(tvb, offset+4);
mtp3_addr->ni = tvb_get_guint8(tvb, offset+6);
set_address(&pinfo->dst, ss7pc_address_type, sizeof(mtp3_addr_pc_t), (guint8 *) mtp3_addr);
break;
case EXP_PDU_TAG_ORIG_FNO:
proto_tree_add_item(tag_tree, hf_exported_pdu_orig_fno, tvb, offset, 4, ENC_BIG_ENDIAN);
break;
case EXP_PDU_TAG_DVBCI_EVT:
dvb_ci_dir = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tag_tree, hf_exported_pdu_dvbci_evt,
tvb, offset, 1, ENC_BIG_ENDIAN);
dvbci_set_addrs(dvb_ci_dir, pinfo);
break;
case EXP_PDU_TAG_DISSECTOR_TABLE_NAME_NUM_VAL:
dissector_table_val = tvb_get_ntohl(tvb, offset);
proto_tree_add_item(tag_tree, hf_exported_pdu_dis_table_val, tvb, offset, 4, ENC_BIG_ENDIAN);
break;
case EXP_PDU_TAG_COL_PROT_TEXT:
proto_tree_add_item_ret_string(tag_tree, hf_exported_pdu_col_proto_str, tvb, offset, tag_len, ENC_UTF_8 | ENC_NA, pinfo->pool, &col_proto_str);
break;
case EXP_PDU_TAG_TCP_INFO_DATA:
{
struct tcpinfo* tcpdata = wmem_new0(pinfo->pool, struct tcpinfo);
guint16 version;
proto_tree_add_item(tag_tree, hf_exported_pdu_dissector_data, tvb, offset, tag_len, ENC_NA);
version = tvb_get_ntohs(tvb, offset);
DISSECTOR_ASSERT(version == 1); /* Only version 1 is currently supported */
tcpdata->seq = tvb_get_ntohl(tvb, offset+2);
tcpdata->nxtseq = tvb_get_ntohl(tvb, offset+6);
tcpdata->lastackseq = tvb_get_ntohl(tvb, offset+10);
tcpdata->is_reassembled = tvb_get_guint8(tvb, offset+14);
tcpdata->flags = tvb_get_ntohs(tvb, offset+15);
tcpdata->urgent_pointer = tvb_get_ntohs(tvb, offset+17);
dissector_data = tcpdata;
}
break;
case EXP_PDU_TAG_P2P_DIRECTION:
pinfo->p2p_dir = tvb_get_ntohl(tvb, offset);
proto_tree_add_item(tag_tree, hf_exported_pdu_p2p_dir, tvb, offset, 4, ENC_NA);
break;
case EXP_PDU_TAG_END_OF_OPT:
break;
default:
proto_tree_add_item(tag_tree, hf_exported_pdu_unknown_tag_val, tvb, offset, tag_len, ENC_NA);
/* Add an expert item too? */
break;
}
offset = offset + tag_len;
} while(tag != 0);
/* Limit the Exported PDU tree to the tags without payload. */
proto_item_set_len(exported_pdu_ti, offset);
payload_tvb = tvb_new_subset_remaining(tvb, offset);
proto_tree_add_item(exported_pdu_tree, hf_exported_pdu_exported_pdu, payload_tvb, 0, -1, ENC_NA);
switch(next_proto_type) {
case EXPORTED_PDU_NEXT_PROTO_STR:
proto_handle = find_dissector(proto_name);
if (proto_handle) {
if (col_proto_str) {
col_add_str(pinfo->cinfo, COL_PROTOCOL, col_proto_str);
} else {
col_clear(pinfo->cinfo, COL_PROTOCOL);
}
call_dissector_with_data(proto_handle, payload_tvb, pinfo, tree, dissector_data);
}
break;
case EXPORTED_PDU_NEXT_HEUR_PROTO_STR:
{
heur_dtbl_entry_t *heur_diss = find_heur_dissector_by_unique_short_name(proto_name);
if (heur_diss) {
if (col_proto_str) {
col_add_str(pinfo->cinfo, COL_PROTOCOL, col_proto_str);
} else {
col_clear(pinfo->cinfo, COL_PROTOCOL);
}
call_heur_dissector_direct(heur_diss, payload_tvb, pinfo, tree, dissector_data);
}
break;
}
case EXPORTED_PDU_NEXT_DIS_TABLE_STR:
{
dis_tbl = find_dissector_table(dissector_table);
if (dis_tbl) {
if (col_proto_str) {
col_add_str(pinfo->cinfo, COL_PROTOCOL, col_proto_str);
} else {
col_clear(pinfo->cinfo, COL_PROTOCOL);
}
dissector_try_uint_new(dis_tbl, dissector_table_val, payload_tvb, pinfo, tree, FALSE, dissector_data);
}
}
default:
break;
}
return tvb_captured_length(tvb);
}
/* Register the protocol with Wireshark.
*
*/
void
proto_register_exported_pdu(void)
{
/*module_t *exported_pdu_module;*/
static hf_register_info hf[] = {
{ &hf_exported_pdu_tag,
{ "Tag", "exported_pdu.tag",
FT_UINT16, BASE_DEC, VALS(exported_pdu_tag_vals), 0,
NULL, HFILL }
},
{ &hf_exported_pdu_tag_len,
{ "Length", "exported_pdu.tag_len",
FT_UINT16, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_exported_pdu_unknown_tag_val,
{ "Unknown tags value", "exported_pdu.unknown_tag.val",
FT_BYTES, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_exported_pdu_prot_name,
{ "Protocol Name", "exported_pdu.prot_name",
FT_STRINGZPAD, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_exported_pdu_heur_prot_name,
{ "Heuristic Protocol Name", "exported_pdu.heur_prot_name",
FT_STRINGZPAD, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_exported_pdu_dis_table_name,
{ "Dissector Table Name", "exported_pdu.dis_table_name",
FT_STRINGZPAD, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_exported_pdu_p2p_dir,
{ "P2P direction", "exported_pdu.p2p_dir",
FT_INT32, BASE_DEC, VALS(exported_pdu_p2p_dir_vals), 0,
NULL, HFILL }
},
{ &hf_exported_pdu_dissector_data,
{ "Dissector Data", "exported_pdu.dissector_data",
FT_BYTES, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_exported_pdu_ipv4_src,
{ "IPv4 Src", "exported_pdu.ipv4_src",
FT_IPv4, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_exported_pdu_ipv4_dst,
{ "IPv4 Dst", "exported_pdu.ipv4_dst",
FT_IPv4, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_exported_pdu_ipv6_src,
{ "IPv6 Src", "exported_pdu.ipv6_src",
FT_IPv6, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_exported_pdu_ipv6_dst,
{ "IPv6 Dst", "exported_pdu.ipv6_dst",
FT_IPv6, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_exported_pdu_port_type,
{ "Port Type", "exported_pdu.port_type",
FT_UINT32, BASE_DEC, VALS(exported_pdu_port_type_vals), 0,
NULL, HFILL }
},
{ &hf_exported_pdu_src_port,
{ "Src Port", "exported_pdu.src_port",
FT_UINT32, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_exported_pdu_dst_port,
{ "Dst Port", "exported_pdu.dst_port",
FT_UINT32, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_exported_pdu_ss7_opc,
{ "SS7 OPC", "exported_pdu.ss7_opc",
FT_UINT32, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_exported_pdu_ss7_dpc,
{ "SS7 DPC", "exported_pdu.ss7_dpc",
FT_UINT32, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_exported_pdu_orig_fno,
{ "Original Frame Number", "exported_pdu.orig_fno",
FT_UINT32, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_exported_pdu_dvbci_evt,
{ "DVB-CI event", "exported_pdu.dvb-ci.event",
FT_UINT8, BASE_HEX, VALS(dvbci_event), 0,
NULL, HFILL }
},
{ &hf_exported_pdu_exported_pdu,
{ "Exported PDU", "exported_pdu.exported_pdu",
FT_BYTES, BASE_NONE, NULL, 0,
NULL, HFILL }
},
{ &hf_exported_pdu_dis_table_val,
{ "Value to use when calling dissector table", "exported_pdu.dis_table_val",
FT_UINT32, BASE_DEC, NULL, 0,
NULL, HFILL }
},
{ &hf_exported_pdu_col_proto_str,
{ "Column protocol string", "exported_pdu.col_proto_str",
FT_STRINGZPAD, BASE_NONE, NULL, 0,
NULL, HFILL }
},
};
/* Setup protocol subtree array */
static gint *ett[] = {
&ett_exported_pdu,
&ett_exported_pdu_tag
};
/* Register the protocol name and description */
proto_exported_pdu = proto_register_protocol("EXPORTED_PDU",
"exported_pdu", "exported_pdu");
exported_pdu_handle = register_dissector("exported_pdu", dissect_exported_pdu, proto_exported_pdu);
/* Required function calls to register the header fields and subtrees */
proto_register_field_array(proto_exported_pdu, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
/* Register for tapping
* The tap is registered here but it is to be used by dissectors that
* want to export their PDUs, see packet-sip.c
*/
register_export_pdu_tap(EXPORT_PDU_TAP_NAME_LAYER_3);
register_export_pdu_tap(EXPORT_PDU_TAP_NAME_LAYER_4);
register_export_pdu_tap(EXPORT_PDU_TAP_NAME_LAYER_7);
}
void
proto_reg_handoff_exported_pdu(void)
{
static gboolean initialized = FALSE;
if (!initialized) {
dissector_add_uint("wtap_encap", WTAP_ENCAP_WIRESHARK_UPPER_PDU, exported_pdu_handle);
initialized = TRUE;
}
ss7pc_address_type = address_type_get_by_name("AT_SS7PC");
/* Get the hf id of some fields from the IP dissectors to be able to use them here*/
hf_ip_addr = proto_registrar_get_id_byname("ip.addr");
hf_ip_dst = proto_registrar_get_id_byname("ip.dst");
hf_ip_src = proto_registrar_get_id_byname("ip.src");
hf_ipv6_addr = proto_registrar_get_id_byname("ipv6.addr");
hf_ipv6_dst = proto_registrar_get_id_byname("ipv6.dst");
hf_ipv6_src = proto_registrar_get_id_byname("ipv6.src");
}
/*
* Editor modelines - https://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* vi: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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