c5502f37e3
svn path=/trunk/; revision=33070
217 lines
5.9 KiB
C
217 lines
5.9 KiB
C
/* gcp.h
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* Gateway Control Protocol -- Context Tracking
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __GCP_H_
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#define __GCP_H_
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#include <glib.h>
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#include <epan/packet.h>
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#include <epan/conversation.h>
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#include <epan/strutil.h>
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#include <epan/emem.h>
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#include <epan/expert.h>
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#include <epan/prefs.h>
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#include <epan/to_str.h>
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#include <epan/asn1.h>
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#include <stdio.h>
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#include <string.h>
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#include <epan/dissectors/packet-ber.h>
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#include <epan/dissectors/packet-q931.h>
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#include <epan/dissectors/packet-mtp3.h>
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#include <epan/dissectors/packet-alcap.h>
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#include <epan/dissectors/packet-isup.h>
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#include <epan/sctpppids.h>
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typedef struct _gcp_hf_ett_t {
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struct {
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int ctx;
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int ctx_cmd;
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int ctx_term;
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int ctx_term_type;
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int ctx_term_bir;
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int ctx_term_nsap;
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} hf;
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struct {
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gint ctx;
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gint ctx_cmds;
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gint ctx_terms;
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gint ctx_term;
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} ett;
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} gcp_hf_ett_t;
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#define NULL_CONTEXT 0
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#define CHOOSE_CONTEXT 0xFFFFFFFE
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#define ALL_CONTEXTS 0xFFFFFFFF
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typedef enum {
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GCP_CMD_NONE,
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GCP_CMD_ADD_REQ,
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GCP_CMD_MOVE_REQ,
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GCP_CMD_MOD_REQ,
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GCP_CMD_SUB_REQ,
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GCP_CMD_AUDITCAP_REQ,
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GCP_CMD_AUDITVAL_REQ,
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GCP_CMD_NOTIFY_REQ,
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GCP_CMD_SVCCHG_REQ,
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GCP_CMD_TOPOLOGY_REQ,
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GCP_CMD_CTX_ATTR_AUDIT_REQ,
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GCP_CMD_OTHER_REQ,
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GCP_CMD_ADD_REPLY,
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GCP_CMD_MOVE_REPLY,
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GCP_CMD_MOD_REPLY,
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GCP_CMD_SUB_REPLY,
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GCP_CMD_AUDITCAP_REPLY,
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GCP_CMD_AUDITVAL_REPLY,
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GCP_CMD_NOTIFY_REPLY,
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GCP_CMD_SVCCHG_REPLY,
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GCP_CMD_TOPOLOGY_REPLY,
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GCP_CMD_REPLY
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} gcp_cmd_type_t;
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typedef enum {
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GCP_TRX_NONE,
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GCP_TRX_REQUEST,
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GCP_TRX_PENDING,
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GCP_TRX_REPLY,
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GCP_TRX_ACK
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} gcp_trx_type_t;
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typedef struct _gcp_msg_t {
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guint32 lo_addr;
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guint32 hi_addr;
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guint32 framenum;
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nstime_t time;
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struct _gcp_trx_msg_t* trxs;
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gboolean commited;
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} gcp_msg_t;
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typedef struct _gcp_trx_msg_t {
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struct _gcp_trx_t* trx;
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struct _gcp_trx_msg_t* next;
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struct _gcp_trx_msg_t* last;
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} gcp_trx_msg_t;
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typedef struct _gcp_cmd_msg_t {
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struct _gcp_cmd_t* cmd;
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struct _gcp_cmd_msg_t* next;
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struct _gcp_cmd_msg_t* last;
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} gcp_cmd_msg_t;
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typedef struct _gcp_trx_t {
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gcp_msg_t* initial;
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guint32 id;
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gcp_trx_type_t type;
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guint pendings;
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struct _gcp_cmd_msg_t* cmds;
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struct _gcp_trx_ctx_t* ctxs;
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guint error;
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} gcp_trx_t;
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#define GCP_TERM_TYPE_UNKNOWN 0
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#define GCP_TERM_TYPE_AAL1 1
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#define GCP_TERM_TYPE_AAL2 2
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#define GCP_TERM_TYPE_AAL1_STRUCT 3
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#define GCP_TERM_TYPE_IP_RTP 4
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#define GCP_TERM_TYPE_TDM 5
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typedef enum _gcp_wildcard_t {
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GCP_WILDCARD_NONE,
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GCP_WILDCARD_CHOOSE,
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GCP_WILDCARD_ALL
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} gcp_wildcard_t;
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typedef struct _gcp_term_t {
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const gchar* str;
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const guint8* buffer;
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guint len;
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guint type;
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gchar* bir;
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gchar* nsap;
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gcp_msg_t* start;
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} gcp_term_t;
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typedef struct _gcp_terms_t {
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gcp_term_t* term;
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struct _gcp_terms_t* next;
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struct _gcp_terms_t* last;
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} gcp_terms_t;
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typedef struct _gcp_cmd_t {
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guint offset;
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gchar* str;
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gcp_cmd_type_t type;
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gcp_terms_t terms;
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struct _gcp_msg_t* msg;
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struct _gcp_trx_t* trx;
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struct _gcp_ctx_t* ctx;
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guint error;
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} gcp_cmd_t;
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typedef struct _gcp_ctx_t {
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gcp_msg_t* initial;
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guint32 id;
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struct _gcp_cmd_msg_t* cmds;
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struct _gcp_ctx_t* prev;
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gcp_terms_t terms;
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} gcp_ctx_t;
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WS_VAR_IMPORT const value_string gcp_cmd_type[];
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WS_VAR_IMPORT const value_string gcp_term_types[];
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extern void gcp_init(void);
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extern gcp_msg_t* gcp_msg(packet_info* pinfo, int o, gboolean persistent);
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extern gcp_trx_t* gcp_trx(gcp_msg_t* m ,guint32 t_id , gcp_trx_type_t type, gboolean persistent);
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extern gcp_ctx_t* gcp_ctx(gcp_msg_t* m, gcp_trx_t* t, guint32 c_id, gboolean persistent);
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extern gcp_cmd_t* gcp_cmd(gcp_msg_t* m, gcp_trx_t* t, gcp_ctx_t* c, gcp_cmd_type_t type, guint offset, gboolean persistent);
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extern gcp_term_t* gcp_cmd_add_term(gcp_msg_t* m, gcp_trx_t* tr, gcp_cmd_t* c, gcp_term_t* t, gcp_wildcard_t wildcard, gboolean persistent);
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extern void gcp_analyze_msg(proto_tree* gcp_tree, tvbuff_t* gcp_tvb, gcp_msg_t* m, gcp_hf_ett_t* ids);
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extern gchar* gcp_cmd_to_str(gcp_cmd_t* c, gboolean persistent);
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extern gchar* gcp_msg_to_str(gcp_msg_t* m, gboolean persistent);
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#define gcp_cmd_set_error(c,e) (c->error = e)
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#define gcp_trx_set_error(t,e) (t->error = e)
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#define GCP_ETT_ARR_ELEMS(gi) &(gi.ett.ctx),&(gi.ett.ctx_cmds),&(gi.ett.ctx_terms),&(gi.ett.ctx_term)
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#define GCP_HF_ARR_ELEMS(n,gi) \
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{ &(gi.hf.ctx), { "Context", n ".ctx", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }}, \
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{ &(gi.hf.ctx_term), { "Termination", n ".ctx.term", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }}, \
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{ &(gi.hf.ctx_term_type), { "Type", n ".ctx.term.type", FT_UINT32, BASE_HEX, VALS(gcp_term_types), 0, NULL, HFILL }}, \
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{ &(gi.hf.ctx_term_bir), { "BIR", n ".ctx.term.bir", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }}, \
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{ &(gi.hf.ctx_term_nsap), { "NSAP", n ".ctx.term.nsap", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }}, \
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{ &(gi.hf.ctx_cmd), { "Command in Frame", n ".ctx.cmd", FT_FRAMENUM, BASE_NONE, NULL, 0, NULL, HFILL }}
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#endif
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