Wireshark  2.9.0-477-g68ec514b
The Wireshark network protocol analyzer
packet-h248.h
1 /* Do not modify this file. Changes will be overwritten. */
2 /* Generated automatically by the ASN.1 to Wireshark dissector compiler */
3 /* packet-h248.h */
4 /* asn2wrs.py -b -p h248 -c ./h248.cnf -s ./packet-h248-template -D . -O ../.. h248v3.asn h248v1support.asn */
5 
6 /* Input file: packet-h248-template.h */
7 
8 #line 1 "./asn1/h248/packet-h248-template.h"
9 /* packet-h248.h
10  * Definitions for H.248/MEGACO packet dissection
11  *
12  * Ronnie Sahlberg 2004
13  * Luis Ontanon 2005
14  *
15  * Wireshark - Network traffic analyzer
16  * By Gerald Combs <gerald@wireshark.org>
17  * Copyright 1998 Gerald Combs
18  *
19  * SPDX-License-Identifier: GPL-2.0-or-later
20  */
21 
22 #ifndef PACKET_H248_H
23 #define PACKET_H248_H
24 
25 #include "ws_symbol_export.h"
26 
27 #include <epan/packet.h>
28 #include <epan/expert.h>
29 #include <wsutil/nstime.h>
30 
31 /* Gateway Control Protocol -- Context Tracking */
32 
33 typedef struct _gcp_hf_ett_t {
34  struct {
35  int ctx;
36  int ctx_cmd;
37  int ctx_term;
38  int ctx_term_type;
39  int ctx_term_bir;
40  int ctx_term_nsap;
41  } hf;
42 
43  struct {
44  gint ctx;
45  gint ctx_cmds;
46  gint ctx_terms;
47  gint ctx_term;
48  } ett;
49 } gcp_hf_ett_t;
50 
51 #define NULL_CONTEXT 0
52 #define CHOOSE_CONTEXT 0xFFFFFFFE
53 #define ALL_CONTEXTS 0xFFFFFFFF
54 
55 
56 typedef enum {
57  GCP_CMD_NONE,
58  GCP_CMD_ADD_REQ,
59  GCP_CMD_MOVE_REQ,
60  GCP_CMD_MOD_REQ,
61  GCP_CMD_SUB_REQ,
62  GCP_CMD_AUDITCAP_REQ,
63  GCP_CMD_AUDITVAL_REQ,
64  GCP_CMD_NOTIFY_REQ,
65  GCP_CMD_SVCCHG_REQ,
66  GCP_CMD_TOPOLOGY_REQ,
67  GCP_CMD_CTX_ATTR_AUDIT_REQ,
68  GCP_CMD_OTHER_REQ,
69  GCP_CMD_ADD_REPLY,
70  GCP_CMD_MOVE_REPLY,
71  GCP_CMD_MOD_REPLY,
72  GCP_CMD_SUB_REPLY,
73  GCP_CMD_AUDITCAP_REPLY,
74  GCP_CMD_AUDITVAL_REPLY,
75  GCP_CMD_NOTIFY_REPLY,
76  GCP_CMD_SVCCHG_REPLY,
77  GCP_CMD_TOPOLOGY_REPLY,
78  GCP_CMD_REPLY
79 } gcp_cmd_type_t;
80 
81 typedef enum {
82  GCP_TRX_NONE,
83  GCP_TRX_REQUEST,
84  GCP_TRX_PENDING,
85  GCP_TRX_REPLY,
86  GCP_TRX_ACK
87 } gcp_trx_type_t;
88 
89 
90 typedef struct _gcp_msg_t {
91  guint32 lo_addr;
92  guint32 hi_addr;
93  guint32 framenum;
94  nstime_t frametime;
95  struct _gcp_trx_msg_t* trxs;
96  gboolean committed;
97 } gcp_msg_t;
98 
99 typedef struct _gcp_trx_msg_t {
100  struct _gcp_trx_t* trx;
101  struct _gcp_trx_msg_t* next;
102  struct _gcp_trx_msg_t* last;
103 } gcp_trx_msg_t;
104 
105 typedef struct _gcp_cmd_msg_t {
106  struct _gcp_cmd_t* cmd;
107  struct _gcp_cmd_msg_t* next;
108  struct _gcp_cmd_msg_t* last;
109 } gcp_cmd_msg_t;
110 
111 typedef struct _gcp_trx_t {
112  gcp_msg_t* initial;
113  guint32 id;
114  gcp_trx_type_t type;
115  guint pendings;
116  struct _gcp_cmd_msg_t* cmds;
117  struct _gcp_trx_ctx_t* ctxs;
118  guint error;
119 } gcp_trx_t;
120 
121 #define GCP_TERM_TYPE_UNKNOWN 0
122 #define GCP_TERM_TYPE_AAL1 1
123 #define GCP_TERM_TYPE_AAL2 2
124 #define GCP_TERM_TYPE_AAL1_STRUCT 3
125 #define GCP_TERM_TYPE_IP_RTP 4
126 #define GCP_TERM_TYPE_TDM 5
127 
128 typedef enum _gcp_wildcard_t {
129  GCP_WILDCARD_NONE,
130  GCP_WILDCARD_CHOOSE,
131  GCP_WILDCARD_ALL
132 } gcp_wildcard_t;
133 
134 typedef struct _gcp_term_t {
135  const gchar* str;
136 
137  const guint8* buffer;
138  guint len;
139 
140  guint type;
141  gchar* bir;
142  gchar* nsap;
143 
144  gcp_msg_t* start;
145 
146 } gcp_term_t;
147 
148 typedef struct _gcp_terms_t {
149  gcp_term_t* term;
150  struct _gcp_terms_t* next;
151  struct _gcp_terms_t* last;
152 } gcp_terms_t;
153 
154 typedef struct _gcp_cmd_t {
155  guint offset;
156  const gchar* str;
157  gcp_cmd_type_t type;
158  gcp_terms_t terms;
159  struct _gcp_msg_t* msg;
160  struct _gcp_trx_t* trx;
161  struct _gcp_ctx_t* ctx;
162  guint error;
163 } gcp_cmd_t;
164 
165 
166 typedef struct _gcp_ctx_t {
167  gcp_msg_t* initial;
168  guint32 id;
169  struct _gcp_cmd_msg_t* cmds;
170  struct _gcp_ctx_t* prev;
171  gcp_terms_t terms;
172 } gcp_ctx_t;
173 
174 extern gcp_msg_t* gcp_msg(packet_info* pinfo, int o, gboolean persistent);
175 extern gcp_trx_t* gcp_trx(gcp_msg_t* m ,guint32 t_id , gcp_trx_type_t type, gboolean persistent);
176 extern gcp_ctx_t* gcp_ctx(gcp_msg_t* m, gcp_trx_t* t, guint32 c_id, gboolean persistent);
177 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);
178 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);
179 extern void gcp_analyze_msg(proto_tree* gcp_tree, packet_info* pinfo, tvbuff_t* gcp_tvb, gcp_msg_t* m, gcp_hf_ett_t* ids, expert_field* command_err);
180 
181 #define GCP_ETT_ARR_ELEMS(gi) &(gi.ett.ctx),&(gi.ett.ctx_cmds),&(gi.ett.ctx_terms),&(gi.ett.ctx_term)
182 
183 #define GCP_HF_ARR_ELEMS(n,gi) \
184  { &(gi.hf.ctx), { "Context", n ".ctx", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }}, \
185  { &(gi.hf.ctx_term), { "Termination", n ".ctx.term", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }}, \
186  { &(gi.hf.ctx_term_type), { "Type", n ".ctx.term.type", FT_UINT32, BASE_HEX, VALS(gcp_term_types), 0, NULL, HFILL }}, \
187  { &(gi.hf.ctx_term_bir), { "BIR", n ".ctx.term.bir", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }}, \
188  { &(gi.hf.ctx_term_nsap), { "NSAP", n ".ctx.term.nsap", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }}, \
189  { &(gi.hf.ctx_cmd), { "Command in Frame", n ".ctx.cmd", FT_FRAMENUM, BASE_NONE, NULL, 0, NULL, HFILL }}
190 
191 WS_DLL_PUBLIC const value_string gcp_cmd_type[];
192 WS_DLL_PUBLIC const value_string gcp_term_types[];
193 
194 extern const gchar* gcp_msg_to_str(gcp_msg_t* m, gboolean persistent);
195 
196 #define gcp_cmd_set_error(c,e) (c->error = e)
197 #define gcp_trx_set_error(t,e) (t->error = e)
198 
199 /* END Gateway Control Protocol -- Context Tracking */
200 
201 typedef struct _h248_curr_info_t h248_curr_info_t;
202 
203 typedef void (*h248_pkg_param_dissector_t)(proto_tree* tree, tvbuff_t* tvb, packet_info* pinfo _U_, int hfid, h248_curr_info_t*, void*);
204 
205 extern void h248_param_bytes_item(proto_tree*, tvbuff_t*, packet_info* , int, h248_curr_info_t*,void* ignored);
206 extern void h248_param_uint_item(proto_tree*, tvbuff_t*, packet_info* , int, h248_curr_info_t*,void* ignored);
207 WS_DLL_PUBLIC void h248_param_ber_integer(proto_tree*, tvbuff_t*, packet_info* , int, h248_curr_info_t*,void* ignored);
208 extern void h248_param_ber_octetstring(proto_tree*, tvbuff_t*, packet_info* , int, h248_curr_info_t*,void* ignored);
209 extern void h248_param_ber_boolean(proto_tree*, tvbuff_t*, packet_info* , int, h248_curr_info_t*,void* ignored);
210 extern void external_dissector(proto_tree*, tvbuff_t*, packet_info* , int, h248_curr_info_t*,void* dissector_handle);
211 extern void h248_param_PkgdName(proto_tree* tree, tvbuff_t* tvb, packet_info* pinfo , int hfid _U_, h248_curr_info_t* u _U_, void* dissector_hdl);
212 extern void h248_param_external_dissector(proto_tree* tree, tvbuff_t* tvb, packet_info* pinfo , int hfid _U_, h248_curr_info_t* u _U_, void* dissector_hdl);
213 
214 typedef enum {
215  ADD_PKG, /* add package at registration ONLY if no matching package ID */
216  REPLACE_PKG, /* replace/add package at registration */
217  MERGE_PKG_HIGH, /* merge h248_package_t at registration favor new package */
218  MERGE_PKG_LOW /* merge h248_package_t at registration favor current package */
219 } pkg_reg_action;
220 
221 typedef struct _h248_pkg_param_t {
222  guint32 id;
223  int* hfid;
224  h248_pkg_param_dissector_t dissector;
225  void* data;
227 
228 typedef struct _h248_pkg_sig_t {
229  guint32 id;
230  int* hfid;
231  gint* ett;
232  const h248_pkg_param_t* parameters;
233  const value_string* param_names;
235 
236 typedef struct _h248_pkg_evt_t {
237  guint32 id;
238  int* hfid;
239  gint* ett;
240  const h248_pkg_param_t* parameters;
241  const value_string* param_names;
243 
244 typedef struct _h248_pkg_stat_t {
245  guint32 id;
246  int* hfid;
247  gint* ett;
248  const h248_pkg_param_t* parameters;
249  const value_string* param_names;
251 
252 typedef struct _h248_package_t {
253  guint32 id;
254  int* hfid;
255  gint* ett;
256  const value_string* param_names;
257  const value_string* signal_names;
258  const value_string* event_names;
259  const value_string* stats_names;
260  const h248_pkg_param_t* properties;
261  const h248_pkg_sig_t* signals;
262  const h248_pkg_evt_t* events;
263  const h248_pkg_stat_t* statistics;
265 
266 typedef struct _save_h248_package_t {
267  h248_package_t *pkg;
268  gboolean is_default;
270 
271 struct _h248_curr_info_t {
272  gcp_ctx_t* ctx;
273  gcp_trx_t* trx;
274  gcp_msg_t* msg;
275  gcp_term_t* term;
276  gcp_cmd_t* cmd;
277  const h248_package_t* pkg;
278  const h248_pkg_evt_t* evt;
279  const h248_pkg_sig_t* sig;
280  const h248_pkg_stat_t* stat;
281  const h248_pkg_param_t* par;
282 };
283 
284 typedef struct h248_term_info {
285  guint8 wild_card;
286  gchar *str;
288 
289 WS_DLL_PUBLIC
290 void h248_register_package(h248_package_t* pkg, pkg_reg_action reg_action);
291 
292 #endif /* PACKET_H248_H */
Definition: packet-h248-template.h:244
Definition: packet-h248-template.h:158
Definition: packet-h248-template.h:82
Definition: packet_info.h:44
Definition: packet-h248-template.h:213
Definition: packet-h248-template.h:258
Definition: packet-h248-template.h:146
Definition: packet-h248-template.h:228
Definition: packet-h248-template.h:126
Definition: packet-h248-template.h:140
Definition: packet-h248-template.h:263
Definition: tvbuff-int.h:35
Definition: packet-h248-template.h:25
Definition: packet.c:659
Definition: nstime.h:27
Definition: packet-h248-template.h:220
Definition: expert.h:37
Definition: packet-h248-template.h:91
Definition: packet-h248-template.h:276
Definition: packet-h248-template.h:97
Definition: mcast_stream.h:30
Definition: value_string.h:24
Definition: proto.h:759
Definition: packet-h248-template.h:236
Definition: packet-h248-template.h:103