Bug Summary

File:builds/wireshark/wireshark/epan/dissectors/packet-tpncp.c
Warning:line 436, column 10
Read function called when stream is in EOF state. Function has no effect

Annotated Source Code

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clang -cc1 -cc1 -triple x86_64-pc-linux-gnu -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name packet-tpncp.c -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 2 -fhalf-no-semantic-interposition -fno-delete-null-pointer-checks -mframe-pointer=all -relaxed-aliasing -fmath-errno -ffp-contract=on -fno-rounding-math -ffloat16-excess-precision=fast -fbfloat16-excess-precision=fast -mconstructor-aliases -funwind-tables=2 -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -fdebug-compilation-dir=/builds/wireshark/wireshark/build -fcoverage-compilation-dir=/builds/wireshark/wireshark/build -resource-dir /usr/lib/llvm-21/lib/clang/21 -isystem /usr/include/glib-2.0 -isystem /usr/lib/x86_64-linux-gnu/glib-2.0/include -isystem /builds/wireshark/wireshark/epan/dissectors -isystem /builds/wireshark/wireshark/build/epan/dissectors -isystem /usr/include/mit-krb5 -isystem /usr/include/libxml2 -isystem /builds/wireshark/wireshark/epan -D G_DISABLE_DEPRECATED -D G_DISABLE_SINGLE_INCLUDES -D WS_BUILD_DLL -D WS_DEBUG -D WS_DEBUG_UTF_8 -I /builds/wireshark/wireshark/build -I /builds/wireshark/wireshark -I /builds/wireshark/wireshark/include -D _GLIBCXX_ASSERTIONS -internal-isystem /usr/lib/llvm-21/lib/clang/21/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/14/../../../../x86_64-linux-gnu/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -fmacro-prefix-map=/builds/wireshark/wireshark/= -fmacro-prefix-map=/builds/wireshark/wireshark/build/= -fmacro-prefix-map=../= -Wno-format-nonliteral -std=gnu11 -ferror-limit 19 -fvisibility=hidden -fwrapv -fwrapv-pointer -fstrict-flex-arrays=3 -stack-protector 2 -fstack-clash-protection -fcf-protection=full -fgnuc-version=4.2.1 -fskip-odr-check-in-gmf -fexceptions -fcolor-diagnostics -analyzer-output=html -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /builds/wireshark/wireshark/sbout/2026-03-15-100342-3641-1 -x c /builds/wireshark/wireshark/epan/dissectors/packet-tpncp.c
1/* packet-tpncp.c
2 * Routines for Audiocodes TrunkPack Network Control Protocol (TPNCP) dissection
3 *
4 * Copyright (c) 2007 by Valery Sigalov <[email protected]>
5 *
6 * Wireshark - Network traffic analyzer
7 * By Gerald Combs <[email protected]>
8 * Copyright 1998 Gerald Combs
9 *
10 * SPDX-License-Identifier: GPL-2.0-or-later
11 */
12
13/*---------------------------------------------------------------------------*/
14
15#include "config.h"
16#define WS_LOG_DOMAIN"TPNCP" "TPNCP"
17
18#include <epan/packet.h>
19#include <epan/exceptions.h>
20#include <epan/expert.h>
21#include <epan/prefs.h>
22#include <wsutil/filesystem.h>
23#include <wsutil/file_util.h>
24#include <wsutil/report_message.h>
25#include <wsutil/strtoi.h>
26#include <epan/wmem_scopes.h>
27#include "packet-acdr.h"
28#include "packet-tcp.h"
29
30/*---------------------------------------------------------------------------*/
31
32#define BASE_TPNCP_PORT2424 2424
33#define HA_PORT_TPNCP_TRUNKPACK2442 2442
34#define TCP_PORT_TPNCP_TRUNKPACK2424 BASE_TPNCP_PORT2424
35#define UDP_PORT_TPNCP_TRUNKPACK2424 BASE_TPNCP_PORT2424
36#define TCP_PORT_TPNCP_HOST2424 BASE_TPNCP_PORT2424
37#define UDP_PORT_TPNCP_HOST2424 BASE_TPNCP_PORT2424
38
39#define MAX_TPNCP_DB_ENTRY_LEN3000 3000
40
41/*---------------------------------------------------------------------------*/
42
43void proto_register_tpncp(void);
44void proto_reg_handoff_tpncp(void);
45
46enum SpecialFieldType {
47 TPNCP_NORMAL,
48 TPNCP_ADDRESS_FAMILY,
49 TPNCP_IP_ADDR,
50 TPNCP_OPEN_CHANNEL_START,
51 TPNCP_SECURITY_START,
52 TPNCP_SECURITY_OFFSET,
53 RTP_STATE_START,
54 RTP_STATE_OFFSET,
55 RTP_STATE_END,
56 TPNCP_CHANNEL_CONFIGURATION
57};
58
59/* The linked list for storing information about specific data fields. */
60typedef struct tpncp_data_field_info
61{
62 char *name;
63 int descr;
64 int ipv6_descr;
65 int array_dim;
66 enum SpecialFieldType special_type;
67 unsigned char size;
68 unsigned char sign;
69 int since;
70 struct tpncp_data_field_info *p_next;
71} tpncp_data_field_info;
72
73/*---------------------------------------------------------------------------
74 * Desegmentation of TPNCP over TCP */
75static bool_Bool tpncp_desegment = true1;
76
77/* Database for storing information about all TPNCP events. */
78static tpncp_data_field_info **tpncp_events_info_db;
79unsigned tpncp_events_info_len;
80
81/* Database for storing information about all TPNCP commands. */
82static tpncp_data_field_info **tpncp_commands_info_db;
83unsigned tpncp_commands_info_len;
84
85/* Global variables for bitfields representation. */
86/* TPNCP packet header fields. */
87static int proto_tpncp;
88static int hf_tpncp_version;
89static int hf_tpncp_length;
90static int hf_tpncp_seq_number;
91static int hf_tpncp_length_ext;
92static int hf_tpncp_reserved;
93static int hf_tpncp_command_id;
94static int hf_tpncp_event_id;
95static int hf_tpncp_cid;
96
97static expert_field ei_tpncp_unknown_data;
98
99/* TPNCP fields defining a subtree. */
100static int ett_tpncp;
101static int ett_tpncp_body;
102
103static bool_Bool global_tpncp_load_db;
104static const char *tpncp_dat_path = NULL((void*)0);
105
106static dissector_handle_t tpncp_handle;
107static dissector_handle_t tpncp_tcp_handle;
108
109/* TODO: Runtime value_string_ext arrays should be used*/
110static value_string *tpncp_commands_id_vals;
111static value_string *tpncp_events_id_vals;
112static value_string **tpncp_enums_id_vals;
113static char **tpncp_enums_name_vals;
114
115static int hf_size;
116static int hf_allocated;
117static hf_register_info *hf;
118
119static bool_Bool db_initialized;
120
121/*---------------------------------------------------------------------------*/
122
123enum AddressFamily {
124 TPNCP_IPV4 = 2,
125 TPNCP_IPV6 = 10,
126 TPNCP_IPV6_PSOS = 28
127};
128
129static void
130dissect_tpncp_data(unsigned data_id, packet_info *pinfo, tvbuff_t *tvb, proto_tree *ltree,
131 int *offset, tpncp_data_field_info **data_fields_info, int ver, unsigned encoding)
132{
133 unsigned g_str_len;
134 tpncp_data_field_info *field = NULL((void*)0);
135 int bitindex = encoding == ENC_LITTLE_ENDIAN0x80000000 ? 7 : 0;
136 enum AddressFamily address_family = TPNCP_IPV4;
137 int open_channel_start = -1, security_offset = 0, rtp_state_offset = 0;
138 int channel_b_offset = 0, rtp_tx_state_offset = 0, rtp_state_size = 0;
139 const int initial_offset = *offset;
140
141 for (field = data_fields_info[data_id]; field; field = field->p_next) {
142 if (field->since > 0 && field->since > ver)
143 continue;
144 switch (field->special_type) {
145 case TPNCP_OPEN_CHANNEL_START:
146 open_channel_start = *offset;
147 break;
148 case TPNCP_SECURITY_OFFSET: {
149 const uint32_t sec_offset = tvb_get_uint32(tvb, *offset, encoding);
150 if (sec_offset > 0 && open_channel_start >= 0)
151 security_offset = open_channel_start + sec_offset;
152 break;
153 }
154 case TPNCP_SECURITY_START:
155 *offset = security_offset;
156 open_channel_start = -1;
157 security_offset = 0;
158 break;
159 case RTP_STATE_OFFSET:
160 rtp_state_offset = tvb_get_int32(tvb, *offset, encoding);
161 if (rtp_state_offset > 0)
162 rtp_state_offset += initial_offset + 4; /* The offset starts after CID */
163 break;
164 case RTP_STATE_START:
165 *offset = rtp_state_offset;
166 rtp_state_offset = 0;
167 if (rtp_tx_state_offset == 0) {
168 rtp_state_size = (tvb_reported_length_remaining(tvb, *offset) - 4) / 2;
169 rtp_tx_state_offset = *offset + rtp_state_size;
170 } else {
171 *offset = rtp_tx_state_offset;
172 rtp_tx_state_offset += rtp_state_size;
173 }
174 break;
175 case RTP_STATE_END:
176 rtp_tx_state_offset = 0;
177 break;
178 case TPNCP_CHANNEL_CONFIGURATION:
179 if (channel_b_offset == 0) {
180 int channel_configuration_size = tvb_reported_length_remaining(tvb, *offset) / 2;
181 channel_b_offset = *offset + channel_configuration_size;
182 } else {
183 *offset = channel_b_offset;
184 channel_b_offset = 0;
185 }
186 break;
187 case TPNCP_ADDRESS_FAMILY:
188 address_family = (enum AddressFamily)tvb_get_uint32(tvb, *offset, encoding);
189 // fall-through
190 default:
191 if (open_channel_start != -1 && security_offset > 0 && *offset >= security_offset)
192 continue;
193 if (rtp_state_offset > 0 && *offset >= rtp_state_offset)
194 continue;
195 if (rtp_tx_state_offset > 0 && *offset >= rtp_tx_state_offset)
196 continue;
197 if (channel_b_offset > 0 && *offset >= channel_b_offset)
198 continue;
199 break;
200 }
201 switch (field->size) {
202 case 1: case 2: case 3: case 4:
203 case 5: case 6: case 7: case 8:
204 /* add char array */
205 if ((g_str_len = field->array_dim)) {
206 const unsigned remaining = tvb_reported_length_remaining(tvb, *offset);
207 g_str_len = MIN(g_str_len, remaining)(((g_str_len) < (remaining)) ? (g_str_len) : (remaining));
208 proto_tree_add_item(ltree, field->descr, tvb, *offset, g_str_len, ENC_NA0x00000000 | ENC_ASCII0x00000000);
209 (*offset) += g_str_len;
210 } else { /* add single char */
211 /* Output only the numeric value for 8-bit fields, considering sign, with no extra formatting. */
212 if (field->size == 8) {
213 uint8_t g_uchar = tvb_get_uint8(tvb, *offset);
214 if (field->sign)
215 proto_tree_add_uint(ltree, field->descr, tvb, *offset, 1, g_uchar);
216 else
217 proto_tree_add_int(ltree, field->descr, tvb, *offset, 1, (int8_t)g_uchar);
218 (*offset)++;
219 } else { /* unsigned bitfield <8 */
220 unsigned bit_offset;
221
222 /*
223 * tpncp.dat always lists bitfields in little-endian (LSB-first) order, regardless of encoding.
224 * Wireshark's proto_tree_add_bits_item with ENC_LITTLE_ENDIAN matches this order.
225 *
226 * Therefore, we always use ENC_LITTLE_ENDIAN for bitfield extraction, regardless of the packet encoding.
227 *
228 * bit_offset is simply (*offset) * 8 + bitindex, and bitindex increments by field->size.
229 */
230 bit_offset = (*offset) * 8 + bitindex;
231 proto_tree_add_bits_item(ltree, field->descr, tvb, bit_offset, field->size, ENC_LITTLE_ENDIAN0x80000000);
232
233 bitindex += field->size;
234 (*offset) += bitindex / 8;
235 bitindex %= 8;
236 }
237 }
238 break;
239 case 16:
240 proto_tree_add_item(ltree, field->descr, tvb, *offset, 2, encoding);
241 (*offset) += 2;
242 break;
243 case 32:
244 proto_tree_add_item(ltree, field->descr, tvb, *offset, 4, encoding);
245 (*offset) += 4;
246 break;
247 case 64:
248 proto_tree_add_item(ltree, field->descr, tvb, *offset, 8, encoding);
249 (*offset) += 8;
250 break;
251 case 128:
252 if (field->special_type == TPNCP_IP_ADDR) {
253 if (address_family == TPNCP_IPV6 || address_family == TPNCP_IPV6_PSOS)
254 proto_tree_add_item(ltree, field->ipv6_descr, tvb, *offset, 16, encoding);
255 else
256 proto_tree_add_item(ltree, field->descr, tvb, *offset, 4, encoding);
257 address_family = TPNCP_IPV4;
258 }
259 (*offset) += 16;
260 break;
261 default:
262 break;
263 }
264 if (tvb_reported_length_remaining(tvb, *offset) <= 0)
265 break;
266 }
267 if ((g_str_len = tvb_reported_length_remaining(tvb, *offset)) > 0) {
268 expert_add_info_format(pinfo, ltree, &ei_tpncp_unknown_data, "TPNCP Unknown Data");
269 (*offset) += g_str_len;
270 }
271}
272
273/*---------------------------------------------------------------------------*/
274static int
275dissect_tpncp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U___attribute__((unused)))
276{
277 proto_item *item = NULL((void*)0);
278 proto_tree *tpncp_tree = NULL((void*)0), *event_tree, *command_tree;
279 int offset = 0, cid = -1;
280 unsigned id;
281 unsigned seq_number, len, ver;
282 unsigned len_ext, reserved, encoding;
283 uint32_t fullLength;
284
285 if (!db_initialized)
286 return 0;
287
288 encoding = tvb_get_ntohs(tvb, 8) == 0 ? ENC_BIG_ENDIAN0x00000000 : ENC_LITTLE_ENDIAN0x80000000;
289
290 col_set_str(pinfo->cinfo, COL_PROTOCOL, "TPNCP");
291
292 item = proto_tree_add_item(tree, proto_tpncp, tvb, 0, -1, ENC_NA0x00000000);
293 tpncp_tree = proto_item_add_subtree(item, ett_tpncp);
294
295 proto_tree_add_item_ret_uint(tpncp_tree, hf_tpncp_version, tvb, 0, 2, encoding, &ver);
296 proto_tree_add_item_ret_uint(tpncp_tree, hf_tpncp_length, tvb, 2, 2, encoding, &len);
297 proto_tree_add_item_ret_uint(tpncp_tree, hf_tpncp_seq_number, tvb, 4, 2, encoding, &seq_number);
298 proto_tree_add_item_ret_uint(tpncp_tree, hf_tpncp_length_ext, tvb, 6, 1, encoding, &len_ext);
299 proto_tree_add_item_ret_uint(tpncp_tree, hf_tpncp_reserved, tvb, 7, 1, encoding, &reserved);
300 fullLength = 0xffff * len_ext + len;
301
302 id = tvb_get_uint32(tvb, 8, encoding);
303 if (len > 8)
304 cid = tvb_get_int32(tvb, 12, encoding);
305 if (pinfo->srcport == UDP_PORT_TPNCP_TRUNKPACK2424 ||
306 pinfo->srcport == HA_PORT_TPNCP_TRUNKPACK2442) {
307 if (try_val_to_str(id, tpncp_events_id_vals)) {
308 proto_tree_add_uint(tpncp_tree, hf_tpncp_event_id, tvb, 8, 4, id);
309 if (len > 8)
310 proto_tree_add_int(tpncp_tree, hf_tpncp_cid, tvb, 12, 4, cid);
311 offset += 16;
312 if (id < tpncp_events_info_len && tpncp_events_info_db[id] != NULL((void*)0) && len > 12) {
313 event_tree = proto_tree_add_subtree_format(
314 tree, tvb, offset, -1, ett_tpncp_body, NULL((void*)0),
315 "TPNCP Event: %s (%d)",
316 val_to_str_const(id, tpncp_events_id_vals, "Unknown"), id);
317 dissect_tpncp_data(id, pinfo, tvb, event_tree, &offset, tpncp_events_info_db,
318 ver, encoding);
319 }
320 }
321 col_add_fstr(pinfo->cinfo, COL_INFO,
322 "EvID=%s(%d), SeqNo=%d, CID=%d, Len=%d, Ver=%d",
323 val_to_str_const(id, tpncp_events_id_vals, "Unknown"),
324 id, seq_number, cid, fullLength, ver);
325 } else {
326 if (try_val_to_str(id, tpncp_commands_id_vals)) {
327 proto_tree_add_uint(tpncp_tree, hf_tpncp_command_id, tvb, 8, 4, id);
328 offset += 12;
329 if (id < tpncp_commands_info_len && tpncp_commands_info_db[id] != NULL((void*)0) && len > 8) {
330 command_tree = proto_tree_add_subtree_format(
331 tree, tvb, offset, -1, ett_tpncp_body, NULL((void*)0),
332 "TPNCP Command: %s (%d)",
333 val_to_str_const(id, tpncp_commands_id_vals, "Unknown"), id);
334 dissect_tpncp_data(id, pinfo, tvb, command_tree, &offset, tpncp_commands_info_db,
335 ver, encoding);
336 }
337 }
338 col_add_fstr(pinfo->cinfo, COL_INFO,
339 "CmdID=%s(%d), SeqNo=%d, CID=%d, Len=%d, Ver=%d",
340 val_to_str_const(id, tpncp_commands_id_vals, "Unknown"),
341 id, seq_number, cid, fullLength, ver);
342 }
343
344 return tvb_reported_length(tvb);
345}
346
347/*---------------------------------------------------------------------------*/
348
349static unsigned
350get_tpncp_pdu_len(packet_info *pinfo _U___attribute__((unused)), tvbuff_t *tvb, int offset, void *data _U___attribute__((unused)))
351{
352 uint32_t plen;
353
354 /* Get the length of the TPNCP packet. */
355 plen = tvb_get_ntohs(tvb, offset + 2) + 0xffff * tvb_get_uint8(tvb, offset + 6);
356
357 /* Length does not include the version+length field. */
358 plen += 4;
359
360 return plen;
361}
362
363/*---------------------------------------------------------------------------*/
364
365static int
366dissect_tpncp_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
367{
368 if (!db_initialized)
369 return 0;
370
371 if (pinfo->can_desegment)
372 /* If desegmentation is enabled (TCP preferences) use the desegmentation API. */
373 tcp_dissect_pdus(tvb, pinfo, tree, tpncp_desegment, 4, get_tpncp_pdu_len,
374 dissect_tpncp, data);
375 else
376 /* Otherwise use the regular dissector (might not give correct dissection). */
377 dissect_tpncp(tvb, pinfo, tree, data);
378
379 return tvb_reported_length(tvb);
380}
381
382static int
383dissect_acdr_event(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
384{
385 int res = 0;
386 acdr_dissector_data_t *acdr_data = (acdr_dissector_data_t *) data;
387 uint32_t orig_port = pinfo->srcport;
388
389 if (acdr_data == NULL((void*)0))
390 return 0;
391
392 // only on version 2+ events are sent with TPNCP header that enables using tpncp parser
393 if (acdr_data->version <= 1)
394 return 0;
395
396 // the TPNCP dissector uses the following statement to
397 // differentiate command from event:
398 // if (pinfo->srcport == UDP_PORT_TPNCP_TRUNKPACK) -> Event
399 // so for proper dissection we want to imitate this behaviour
400 pinfo->srcport = UDP_PORT_TPNCP_TRUNKPACK2424;
401 res = dissect_tpncp(tvb, pinfo, tree, NULL((void*)0));
402 pinfo->srcport = orig_port;
403 return res;
404}
405
406static int
407dissect_acdr_tpncp_by_tracepoint(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
408{
409 acdr_dissector_data_t *acdr_data = (acdr_dissector_data_t *) data;
410 uint32_t orig_port = pinfo->srcport;
411 int res = 0;
412
413 if (acdr_data == NULL((void*)0))
414 return 0;
415
416 // the TPNCP dissector uses the following statement to
417 // differentiate command from event:
418 // if (pinfo->srcport == UDP_PORT_TPNCP_TRUNKPACK) -> Event
419 // so for proper dissection we want to imitate this behaviour
420
421 if (acdr_data->trace_point == Host2Net) // event
422 pinfo->srcport = UDP_PORT_TPNCP_TRUNKPACK2424;
423 else // Net2Host ->command
424 pinfo->srcport = UDP_PORT_TPNCP_TRUNKPACK2424 + 1;
425
426 res = dissect_tpncp(tvb, pinfo, tree, NULL((void*)0));
427 pinfo->srcport = orig_port;
428 return res;
429}
430
431/*---------------------------------------------------------------------------*/
432
433static bool_Bool
434fgetline(char *buffer, int size, FILE *file)
435{
436 if (!fgets(buffer, size, file))
11
←
Assuming stream reaches end-of-file here
→
12
←
Taking true branch
→
18
←
Read function called when stream is in EOF state. Function has no effect
437 return 0;
438 size_t last = strlen(buffer);
439 if (buffer[last - 1] == '\n')
440 buffer[last - 1] = 0;
441 return 1;
442}
443
444static int
445fill_tpncp_id_vals(value_string **strings, FILE *file)
446{
447 wmem_array_t *vs_arr;
448 char *line_in_file;
449
450 if (file
8.1
'file' is not equal to NULL
15.1
'file' is not equal to NULL
 == NULL((void*)0)) return -1;
9
←
Taking false branch
→
16
←
Taking false branch
→
451
452 line_in_file = (char *) g_malloc(MAX_TPNCP_DB_ENTRY_LEN3000);
453 vs_arr = wmem_array_new(NULL((void*)0), sizeof **strings);
454
455 while (fgetline(line_in_file, MAX_TPNCP_DB_ENTRY_LEN3000, file) && !feof(file)) {
10
←
Calling 'fgetline'
→
13
←
Returning from 'fgetline'
→
17
←
Calling 'fgetline'
→
456 int tpncp_id = 0;
457 char tpncp_name[256];
458
459 if (!strncmp(line_in_file, "#####", 5))
460 break;
461 if (sscanf(line_in_file, "%255s %d", tpncp_name, &tpncp_id) == 2) {
462 value_string const string = {
463 .value = (uint32_t)tpncp_id,
464 .strptr = wmem_strdup(wmem_epan_scope(), tpncp_name)
465 };
466 wmem_array_append_one(vs_arr, string)wmem_array_append((vs_arr), &(string), 1);
467 }
468 }
469
470 wmem_array_set_null_terminator(vs_arr);
471 *strings = wmem_array_finalize(vs_arr);
472 g_free(line_in_file);
473
474 return 0;
475}
476
477/*---------------------------------------------------------------------------*/
478
479static int
480fill_enums_id_vals(char ***enum_names, value_string ***enum_value_strings, FILE *file)
481{
482 wmem_array_t *enum_name_arr, *enum_vs_arr, *enum_vs = NULL((void*)0);
483 char *line_in_file;
484 char enum_type[256];
485
486 line_in_file = (char *) g_malloc(MAX_TPNCP_DB_ENTRY_LEN3000);
487 enum_type[0] = '\0';
488
489 enum_name_arr = wmem_array_new(NULL((void*)0), sizeof **enum_names);
490 enum_vs_arr = wmem_array_new(NULL((void*)0), sizeof **enum_value_strings);
491
492 while (fgetline(line_in_file, MAX_TPNCP_DB_ENTRY_LEN3000, file)) {
493 char enum_name[256], enum_str[256];
494 int enum_id;
495
496 if (!strncmp(line_in_file, "#####", 5))
497 break;
498 if (sscanf(line_in_file, "%255s %255s %d", enum_name, enum_str, &enum_id) == 3) {
499 if (strcmp(enum_type, enum_name) != 0) {
500 /* New record. */
501 if (enum_vs != NULL((void*)0)) {
502 /* The previous enum_vs is now complete. */
503 wmem_array_set_null_terminator(enum_vs);
504 value_string *new_enum_vs = wmem_array_finalize(enum_vs);
505 wmem_array_append_one(enum_vs_arr, new_enum_vs)wmem_array_append((enum_vs_arr), &(new_enum_vs), 1);
506 }
507 enum_vs = wmem_array_sized_new(NULL((void*)0), sizeof ***enum_value_strings, 10);
508
509 char *enum_name_alloc = wmem_strdup(wmem_epan_scope(), enum_name);
510 wmem_array_append_one(enum_name_arr, enum_name_alloc)wmem_array_append((enum_name_arr), &(enum_name_alloc), 1);
511 (void) g_strlcpy(enum_type, enum_name, sizeof enum_type);
512 }
513 value_string const vs = {
514 .value = enum_id,
515 .strptr = wmem_strdup(wmem_epan_scope(), enum_str)
516 };
517 wmem_array_append_one(enum_vs, vs)wmem_array_append((enum_vs), &(vs), 1);
518 }
519 }
520
521 if (enum_vs != NULL((void*)0)) {
522 /* The final enum_vs is now complete. */
523 wmem_array_set_null_terminator(enum_vs);
524 value_string *new_enum_vs = wmem_array_finalize(enum_vs);
525 wmem_array_append_one(enum_vs_arr, new_enum_vs)wmem_array_append((enum_vs_arr), &(new_enum_vs), 1);
526 }
527
528 wmem_array_set_null_terminator(enum_name_arr);
529 *enum_names = (char **)wmem_array_finalize(enum_name_arr);
530
531 wmem_array_set_null_terminator(enum_vs_arr);
532 *enum_value_strings = (value_string **)wmem_array_finalize(enum_vs_arr);
533 g_free(line_in_file);
534
535 return 0;
536}
537
538/*---------------------------------------------------------------------------*/
539
540static int
541get_enum_name_val(const char *enum_name)
542{
543 int enum_val = 0;
544
545 while (tpncp_enums_name_vals[enum_val]) {
546 if (!strcmp(enum_name, tpncp_enums_name_vals[enum_val]))
547 return enum_val;
548 enum_val++;
549 }
550
551 return -1;
552}
553
554/*---------------------------------------------------------------------------*/
555
556static bool_Bool add_hf(hf_register_info *hf_entr)
557{
558 if (hf_size >= hf_allocated) {
559 void *newbuf;
560 hf_allocated += 1024;
561 newbuf = wmem_realloc(wmem_epan_scope(), hf, hf_allocated * sizeof (hf_register_info));
562 if (!newbuf)
563 return false0;
564 hf = (hf_register_info *) newbuf;
565 }
566 memcpy(hf + hf_size, hf_entr, sizeof (hf_register_info));
567 hf_size++;
568 return true1;
569}
570
571static int
572init_tpncp_data_fields_info(tpncp_data_field_info ***data_fields_info, unsigned *data_fields_len, FILE *file)
573{
574 static bool_Bool was_registered = false0;
575 char tpncp_db_entry[MAX_TPNCP_DB_ENTRY_LEN3000];
576 char entry_copy[MAX_TPNCP_DB_ENTRY_LEN3000];
577 const char *name = NULL((void*)0), *tmp = NULL((void*)0);
578 int enum_val, data_id, current_data_id = -1, array_dim;
579 unsigned char size;
580 enum SpecialFieldType special_type;
581 bool_Bool sign, is_address_family;
582 unsigned idx, since, ip_addr_field;
583 tpncp_data_field_info *field = NULL((void*)0);
584 hf_register_info hf_entr;
585 wmem_array_t *data_fields_info_arr;
586
587 hf_register_info hf_tpncp[] = {
588 {
589 &hf_tpncp_version,
590 {
591 "Version",
592 "tpncp.version",
593 FT_UINT16,
594 BASE_DEC,
595 NULL((void*)0),
596 0x0,
597 NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0)
598 }
599 },
600 {
601 &hf_tpncp_length,
602 {
603 "Length",
604 "tpncp.length",
605 FT_UINT16,
606 BASE_DEC,
607 NULL((void*)0),
608 0x0,
609 NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0)
610 }
611 },
612 {
613 &hf_tpncp_seq_number,
614 {
615 "Sequence number",
616 "tpncp.seq_number",
617 FT_UINT16,
618 BASE_DEC,
619 NULL((void*)0),
620 0x0,
621 NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0)
622 }
623 },
624 {
625 &hf_tpncp_length_ext,
626 {
627 "Length Extension",
628 "tpncp.lengthextension",
629 FT_UINT8,
630 BASE_DEC,
631 NULL((void*)0),
632 0x0,
633 NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0)
634 }
635 },
636 {
637 &hf_tpncp_reserved,
638 {
639 "Reserved",
640 "tpncp.reserved",
641 FT_UINT8,
642 BASE_DEC,
643 NULL((void*)0),
644 0x0,
645 NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0)
646 }
647 },
648 {
649 &hf_tpncp_command_id,
650 {
651 "Command ID",
652 "tpncp.command_id",
653 FT_UINT32,
654 BASE_DEC,
655 VALS(tpncp_commands_id_vals)((0 ? (const struct _value_string*)0 : ((tpncp_commands_id_vals
)))),
656 0x0,
657 NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0)
658 }
659 },
660 {
661 &hf_tpncp_event_id,
662 {
663 "Event ID",
664 "tpncp.event_id",
665 FT_UINT32,
666 BASE_DEC,
667 VALS(tpncp_events_id_vals)((0 ? (const struct _value_string*)0 : ((tpncp_events_id_vals
)))),
668 0x0,
669 NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0)
670 }
671 },
672 {
673 &hf_tpncp_cid,
674 {
675 "Channel ID",
676 "tpncp.channel_id",
677 FT_INT32,
678 BASE_DEC,
679 NULL((void*)0),
680 0x0,
681 NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0)
682 }
683 }
684 };
685
686 /* Register common fields of hf_register_info structure. */
687 hf_entr.hfinfo.type = FT_NONE;
688 hf_entr.hfinfo.strings = NULL((void*)0);
689 hf_entr.hfinfo.bitmask = 0x0;
690 hf_entr.hfinfo.blurb = NULL((void*)0);
691 HFILL_INIT(hf_entr)(hf_entr).hfinfo.id = -1; (hf_entr).hfinfo.parent = 0; (hf_entr
).hfinfo.ref_type = HF_REF_TYPE_NONE; (hf_entr).hfinfo.same_name_prev_id
= -1; (hf_entr).hfinfo.same_name_next = ((void*)0);;
692
693 if (!was_registered) {
694 void *newbuf;
695
696 /* Register non-standard data should be done only once. */
697 hf_allocated = hf_size + (int) array_length(hf_tpncp)(sizeof (hf_tpncp) / sizeof (hf_tpncp)[0]);
698 newbuf = wmem_realloc(wmem_epan_scope(), hf, hf_allocated * sizeof (hf_register_info));
699 if (!newbuf)
700 return -1;
701 hf = (hf_register_info *) newbuf;
702 for (idx = 0; idx < array_length(hf_tpncp)(sizeof (hf_tpncp) / sizeof (hf_tpncp)[0]); idx++) {
703 memcpy(hf + hf_size, hf_tpncp + idx, sizeof (hf_register_info));
704 hf_size++;
705 }
706 was_registered = true1;
707 }
708
709 is_address_family = false0;
710 ip_addr_field = 0;
711
712 data_fields_info_arr = wmem_array_new(NULL((void*)0), sizeof **data_fields_info);
713
714 /* Register standard data. */
715 while (fgetline(tpncp_db_entry, MAX_TPNCP_DB_ENTRY_LEN3000, file)) {
716 special_type = TPNCP_NORMAL;
717 since = 0;
718 snprintf(entry_copy, MAX_TPNCP_DB_ENTRY_LEN3000, "%s", tpncp_db_entry);
719 if (!strncmp(tpncp_db_entry, "#####", 5))
720 break;
721
722 /* Default to decimal display type */
723 hf_entr.hfinfo.display = BASE_DEC;
724 if ((tmp = strtok(tpncp_db_entry, " ")) == NULL((void*)0)) {
725 report_failure(
726 "ERROR! Badly formed data base entry: %s - corresponding field's registration is skipped.",
727 entry_copy);
728 continue;
729 }
730 data_id = (int) g_ascii_strtoll(tmp, NULL((void*)0), 10);
731 if ((name = strtok(NULL((void*)0), " ")) == NULL((void*)0)) {
732 report_failure(
733 "ERROR! Badly formed data base entry: %s - corresponding field's registration is skipped.",
734 entry_copy);
735 continue;
736 }
737
738 /* We happen to have a line without a name (57 0 32 0 0 primitive). Consider unnamed. */
739 if (g_ascii_isdigit(*name)((g_ascii_table[(guchar) (*name)] & G_ASCII_DIGIT) != 0)) {
740 tmp = name;
741 name = "unnamed";
742 } else {
743 if ((tmp = strtok(NULL((void*)0), " ")) == NULL((void*)0)) {
744 report_failure(
745 "ERROR! Badly formed data base entry: %s - corresponding field's registration is skipped.",
746 entry_copy);
747 continue;
748 }
749 }
750 if (name[0] == 'c' && !strcmp(name, "cmd_rev_lsb"))
751 special_type = TPNCP_OPEN_CHANNEL_START;
752 else if (name[0] == 'r' && !strcmp(name, "rtp_authentication_algorithm"))
753 special_type = TPNCP_SECURITY_START;
754 else if (name[0] == 's' && !strcmp(name, "security_cmd_offset"))
755 special_type = TPNCP_SECURITY_OFFSET;
756 else if (data_id != 1611 && name[0] == 's' && !strcmp(name, "ssrc"))
757 special_type = RTP_STATE_START;
758 else if (name[0] == 'r' && !strcmp(name, "rtp_tx_state_ssrc"))
759 special_type = RTP_STATE_START;
760 else if (name[0] == 'r' && !strcmp(name, "rtp_state_offset"))
761 special_type = RTP_STATE_OFFSET;
762 else if (name[0] == 's' && !strcmp(name, "state_update_time_stamp"))
763 special_type = RTP_STATE_END;
764 else if (data_id == 1611 && name[0] == 'c' && strstr(name, "configuration_type_updated"))
765 special_type = TPNCP_CHANNEL_CONFIGURATION;
766 else if ((data_id == 4 && strstr(name, "secondary_rtp_seq_num")) ||
767 (data_id == 1611 && strstr(name, "dtls_remote_fingerprint_alg"))) {
768 since = 7401;
769 }
770 sign = !!((bool_Bool) g_ascii_strtoll(tmp, NULL((void*)0), 10));
771 if ((tmp = strtok(NULL((void*)0), " ")) == NULL((void*)0)) {
772 report_failure(
773 "ERROR! Badly formed data base entry: %s - corresponding field's registration is skipped.",
774 entry_copy);
775 continue;
776 }
777 size = (unsigned char) g_ascii_strtoll(tmp, NULL((void*)0), 10);
778 if ((tmp = strtok(NULL((void*)0), " ")) == NULL((void*)0)) {
779 report_failure(
780 "ERROR! Badly formed data base entry: %s - corresponding field's registration is skipped.",
781 entry_copy);
782 continue;
783 }
784 array_dim = (int) g_ascii_strtoll(tmp, NULL((void*)0), 10);
785 if ((tmp = strtok(NULL((void*)0), " ")) == NULL((void*)0)) {
786 report_failure(
787 "ERROR! Badly formed data base entry: %s - corresponding field's registration is skipped.",
788 entry_copy);
789 continue;
790 }
791 if (sign && g_ascii_strtoll(tmp, NULL((void*)0), 10))
792 special_type = TPNCP_IP_ADDR;
793 if ((tmp = strtok(NULL((void*)0), "\n")) == NULL((void*)0)) {
794 report_failure(
795 "ERROR! Badly formed data base entry: %s - corresponding field's registration is skipped.",
796 entry_copy);
797 continue;
798 }
799
800 if (ip_addr_field > 0) {
801 // ip address that comes after address family has 4 fields: ip_addr_0, ip_addr_1, 2 and 3
802 // On these cases, ignore 1, 2 and 3 and enlarge the field size of 0 to 128
803 char *seq = (char*)name + strlen(name) - 2;
804 --ip_addr_field;
805 if (seq > name && *seq == '_') {
806 if (seq[1] >= '1' && seq[1] <= '3')
807 continue;
808 // relates to the *previous* field
809 if (is_address_family) {
810 *seq = 0;
811 size = 128;
812 special_type = TPNCP_IP_ADDR;
813 } else {
814 report_warning("Bad address form. Field name: %s", name);
815 ip_addr_field = 0;
816 }
817 }
818 }
819
820 is_address_family = false0;
821 if (current_data_id != data_id) { /* new data */
822 tpncp_data_field_info **fp;
823
824 while (wmem_array_get_count(data_fields_info_arr) <= (unsigned)data_id) {
825 static const tpncp_data_field_info **empty = NULL((void*)0);
826 wmem_array_append_one(data_fields_info_arr, empty)wmem_array_append((data_fields_info_arr), &(empty), 1);
827 }
828 fp = (tpncp_data_field_info **)wmem_array_index(data_fields_info_arr, data_id);
829 if (*fp != NULL((void*)0)) {
830 report_failure(
831 "ERROR! The data_id %d already registered. Cannot register two identical events/command",
832 data_id);
833 continue;
834 }
835 field = wmem_new0(wmem_epan_scope(), tpncp_data_field_info)((tpncp_data_field_info*)wmem_alloc0((wmem_epan_scope()), sizeof
(tpncp_data_field_info)));
836 *fp = field;
837 current_data_id = data_id;
838 } else {
839 field->p_next = wmem_new(wmem_epan_scope(), tpncp_data_field_info)((tpncp_data_field_info*)wmem_alloc((wmem_epan_scope()), sizeof
(tpncp_data_field_info)));
840 if (!field->p_next)
841 return (-1);
842 field = field->p_next;
843 field->p_next = NULL((void*)0);
844 }
845
846 /* Register specific fields of hf_register_info structure. */
847 if (strcmp(tmp, "primitive")) {
848 enum_val = get_enum_name_val(tmp);
849 if (enum_val == -1) {
850 hf_entr.hfinfo.strings = NULL((void*)0);
851 } else {
852 if (special_type == TPNCP_IP_ADDR)
853 special_type = TPNCP_NORMAL;
854 hf_entr.hfinfo.strings = VALS(tpncp_enums_id_vals[enum_val])((0 ? (const struct _value_string*)0 : ((tpncp_enums_id_vals[
enum_val]))));
855 if (!strcmp(tmp, "AddressFamily")) {
856 is_address_family = true1;
857 ip_addr_field = 4;
858 }
859 }
860 } else {
861 hf_entr.hfinfo.strings = NULL((void*)0);
862 }
863 field->descr = -1;
864 field->ipv6_descr = -1;
865 hf_entr.p_id = &field->descr;
866 field->name = wmem_strdup_printf(wmem_epan_scope(), "tpncp.%s", name);
867 hf_entr.hfinfo.name = field->name;
868 hf_entr.hfinfo.abbrev = field->name;
869 switch (size) {
870 case 1:
871 hf_entr.hfinfo.type = FT_BOOLEAN;
872 break;
873 case 2: case 3: case 4:
874 case 5: case 6: case 7: case 8:
875 if (array_dim) {
876 hf_entr.hfinfo.type = FT_STRING;
877 hf_entr.hfinfo.display = BASE_NONE;
878 } else {
879 hf_entr.hfinfo.type = (sign) ? FT_UINT8 : FT_INT8;
880 }
881 break;
882 case 16:
883 hf_entr.hfinfo.type = (sign) ? FT_UINT16 : FT_INT16;
884 break;
885 case 32:
886 if (special_type == TPNCP_IP_ADDR) {
887 hf_entr.hfinfo.display = BASE_NONE;
888 hf_entr.hfinfo.type = FT_IPv4;
889 } else {
890 hf_entr.hfinfo.type = (sign) ? FT_UINT32 : FT_INT32;
891 }
892 break;
893 case 64:
894 hf_entr.hfinfo.type = (sign) ? FT_UINT64 : FT_INT64;
895 break;
896 case 128:
897 if (special_type == TPNCP_IP_ADDR) {
898 hf_entr.hfinfo.display = BASE_NONE;
899 hf_entr.hfinfo.type = FT_IPv4;
900 if (!add_hf(&hf_entr))
901 return -1;
902 hf_entr.p_id = &field->ipv6_descr;
903 hf_entr.hfinfo.type = FT_IPv6;
904 }
905 break;
906 default:
907 break;
908 }
909
910 /* Register initialized hf_register_info in global database. */
911 if (!add_hf(&hf_entr))
912 return -1;
913 field->sign = sign;
914 field->size = size;
915 field->array_dim = array_dim;
916 field->special_type = is_address_family ? TPNCP_ADDRESS_FAMILY : special_type;
917 field->since = since;
918 }
919
920 *data_fields_len = wmem_array_get_count(data_fields_info_arr);
921 *data_fields_info = (tpncp_data_field_info **)wmem_array_finalize(data_fields_info_arr);
922
923 return 0;
924}
925
926/*---------------------------------------------------------------------------*/
927
928static FILE *
929open_tpncp_dat(void)
930{
931 char *path_buf = NULL((void*)0);
932 const char *tpncp_dat_file_path = tpncp_dat_path;
933 FILE *res;
934 if (!*tpncp_dat_file_path) {
935 tpncp_dat_file_path = path_buf = g_build_path(
936 G_DIR_SEPARATOR_S"/", get_datafile_dir(epan_get_environment_prefix()), "tpncp", "tpncp.dat", NULL((void*)0));
937 }
938 res = ws_fopenfopen(tpncp_dat_file_path, "r");
939 g_free(path_buf);
940 return res;
941}
942
943static int
944init_tpncp_db(void)
945{
946 /* Open file with TPNCP data. */
947 FILE *file = open_tpncp_dat();
948 if (!file
6.1
'file' is non-null
) {
7
←
Taking false branch
→
949 return (-1);
950 }
951 fill_tpncp_id_vals(&tpncp_events_id_vals, file);
8
←
Calling 'fill_tpncp_id_vals'
→
14
←
Returning from 'fill_tpncp_id_vals'
→
952 fill_tpncp_id_vals(&tpncp_commands_id_vals, file);
15
←
Calling 'fill_tpncp_id_vals'
→
953 fill_enums_id_vals(&tpncp_enums_name_vals, &tpncp_enums_id_vals, file);
954 init_tpncp_data_fields_info(&tpncp_events_info_db, &tpncp_events_info_len, file);
955 init_tpncp_data_fields_info(&tpncp_commands_info_db, &tpncp_commands_info_len, file);
956
957 fclose(file);
958 return 0;
959}
960
961/*---------------------------------------------------------------------------*/
962
963void
964proto_reg_handoff_tpncp(void)
965{
966 static bool_Bool initialized = false0;
967
968 if (proto_tpncp <= 0) return;
1
Assuming 'proto_tpncp' is > 0
→
2
←
Taking false branch
→
969
970 if (!initialized
2.1
'initialized' is false
) {
3
←
Taking true branch
→
971 dissector_add_uint_with_preference("udp.port", UDP_PORT_TPNCP_TRUNKPACK2424, tpncp_handle);
972 dissector_add_uint_with_preference("tcp.port", TCP_PORT_TPNCP_TRUNKPACK2424, tpncp_tcp_handle);
973 dissector_add_uint("acdr.media_type", ACDR_PCIIF_COMMAND, tpncp_handle);
974 dissector_add_uint("acdr.media_type", ACDR_COMMAND, tpncp_handle);
975 dissector_add_uint("acdr.media_type", ACDR_Event, create_dissector_handle(dissect_acdr_event, proto_tpncp));
976 dissector_add_uint("acdr.media_type", ACDR_TPNCP,
977 create_dissector_handle(dissect_acdr_tpncp_by_tracepoint, proto_tpncp));
978 dissector_add_uint("acdr.tls_application", TLS_APP_TPNCP, tpncp_handle);
979 initialized = true1;
980 }
981
982 if (!global_tpncp_load_db)
4
←
Assuming 'global_tpncp_load_db' is true
→
983 return;
984
985 /* If we weren't able to load the database (and thus the hf_ entries)
986 * do not attach to any ports (if we did then we'd get a "dissector bug"
987 * assertions every time a packet is handed to us and we tried to use the
988 * hf_ entry).
989
990 */
991 if (hf_allocated == 0 && init_tpncp_db() == -1) {
5
←
Assuming 'hf_allocated' is equal to 0
→
6
←
Calling 'init_tpncp_db'
→
992 report_failure("tpncp: Could not load tpncp.dat file, tpncp dissector will not work");
993 return;
994 }
995
996 if (db_initialized)
997 return;
998
999 /* Rather than duplicating large quantities of code from
1000 * proto_register_field_array() and friends to sanitize the tpncp.dat file
1001 * when we read it, just catch any exceptions we get while registering and
1002 * take them as a hint that the file is corrupt. Then move on, so that at
1003 * least the rest of the protocol dissectors will still work.
1004 */
1005 TRY{ except_t *volatile exc; volatile int except_state = 0; static
const except_id_t catch_spec[] = { { 1, 0 } }; { struct except_stacknode
except_sn; struct except_catch except_ch; except_setup_try(&
except_sn, &except_ch, catch_spec, 1); if (_setjmp (except_ch
.except_jmp)) *(&exc) = &except_ch.except_obj; else *
(&exc) = 0; if(except_state & 1) except_state |= 2; except_state
&= ~1; if (except_state == 0 && exc == 0) {
1006 int idx;
1007 /* The function proto_register_field_array does not work with dynamic
1008 * arrays, so pass dynamic array elements one-by-one in the loop.
1009 */
1010 for (idx = 0; idx < hf_size; idx++)
1011 proto_register_field_array(proto_tpncp, &hf[idx], 1);
1012 }
1013
1014 CATCH_ALLif (except_state == 0 && exc != 0 && (except_state
|=1)) {
1015 report_failure("Corrupt tpncp.dat file, tpncp dissector will not work.");
1016 }
1017
1018 ENDTRYif(!(except_state&1) && exc != 0) except_rethrow(
exc); except_free(except_ch.except_obj.except_dyndata); except_pop
(); };};
1019 db_initialized = true1;
1020}
1021
1022/*---------------------------------------------------------------------------*/
1023
1024void
1025proto_register_tpncp(void)
1026{
1027 module_t *tpncp_module;
1028 expert_module_t* expert_tpncp;
1029 static int *ett[] = {
1030 &ett_tpncp,
1031 &ett_tpncp_body
1032 };
1033
1034 static ei_register_info ei[] = {
1035 { &ei_tpncp_unknown_data, { "tpncp.unknown_data", PI_UNDECODED0x05000000, PI_WARN0x00600000, "Unknown data", EXPFILL0, ((void*)0), 0, ((void*)0), {0, {((void*)0), ((void*)0), FT_NONE
, BASE_NONE, ((void*)0), 0, ((void*)0), -1, 0, HF_REF_TYPE_NONE
, -1, ((void*)0)}} } },
1036 };
1037
1038 /* this dissector reads hf entries from a database
1039 * a boolean preference defines whether the database is loaded or not
1040 * we initialize the hf array in the handoff function when we have
1041 * access to the preference's value */
1042
1043 proto_tpncp = proto_register_protocol("TPNCP (TrunkPack Network Control Protocol)",
1044 "TPNCP", "tpncp");
1045
1046 tpncp_handle = register_dissector("tpncp", dissect_tpncp, proto_tpncp);
1047 tpncp_tcp_handle = register_dissector("tpncp.tcp", dissect_tpncp_tcp, proto_tpncp);
1048
1049 tpncp_module = prefs_register_protocol(proto_tpncp, proto_reg_handoff_tpncp);
1050
1051 proto_register_subtree_array(ett, array_length(ett)(sizeof (ett) / sizeof (ett)[0]));
1052
1053 expert_tpncp = expert_register_protocol(proto_tpncp);
1054 expert_register_field_array(expert_tpncp, ei, array_length(ei)(sizeof (ei) / sizeof (ei)[0]));
1055
1056 /* See https://gitlab.com/wireshark/wireshark/-/issues/9569 for some discussion on this as well */
1057 prefs_register_bool_preference(tpncp_module, "load_db",
1058 "Whether to load DB or not; if DB not loaded dissector is passive",
1059 "Whether to load the Database or not; not loading the DB"
1060 " disables the protocol; Wireshark has to be restarted for the"
1061 " setting to take effect.",
1062 &global_tpncp_load_db);
1063 prefs_register_filename_preference(tpncp_module, "dat_file",
1064 "TPNCP data file (tpncp.dat)",
1065 "Path to tpncp.dat. If empty, the file shipped with Wireshark will be used.\n"
1066 "Changing the path requires a Wireshark restart to take effect.",
1067 &tpncp_dat_path, false0);
1068}
1069
1070/*
1071 * Editor modelines
1072 *
1073 * Local Variables:
1074 * c-basic-offset: 4
1075 * tab-width: 8
1076 * indent-tabs-mode: nil
1077 * End:
1078 *
1079 * ex: set shiftwidth=4 tabstop=8 expandtab:
1080 * :indentSize=4:tabSize=8:noTabs=true:
1081 */