### Bug Summary

File: | builds/wireshark/wireshark/epan/dissectors/packet-etw.c
Warning: | line 408, column 13 Value stored to 'edata_off_int' is never read

### 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-etw.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/2026-05-09-100339-3641-1 -x c /builds/wireshark/wireshark/epan/dissectors/packet-etw.c

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1 | /* packet-etw.c
2 | * Routines for ETW Dissection
3 | *
4 | * Copyright 2020, Odysseus Yang
5 | * 2026, Gabriel Potter
6 | *
7 | * Wireshark - Network traffic analyzer
8 | * By Gerald Combs <gerald@wireshark.org>
9 | * Copyright 1998 Gerald Combs
10 | *
11 | * SPDX-License-Identifier: GPL-2.0-or-later
12 | */
13 |
14 | /* Dissector based on ETW Trace
15 | * https://docs.microsoft.com/en-us/windows/win32/etw/event-tracing-portal
16 | */
17 |
18 | #include "config.h"
19 |
20 | #include <epan/packet.h>
21 | #include <wiretap/wtap.h>
22 |
23 | #include "packet-windows-common.h"
24 |
25 | #define MAX_SMALL_BUFFER4 4
26 |
27 | void proto_register_etw(void);
28 | void proto_reg_handoff_etw(void);
29 |
30 | static dissector_handle_t etw_handle;
31 |
32 | // ETW fields
33 | static int proto_etw;
34 | static int hf_etw_size;
35 | static int hf_etw_header_type;
36 | static int hf_etw_header_flag_extended_info;
37 | static int hf_etw_header_flag_private_session;
38 | static int hf_etw_header_flag_string_only;
39 | static int hf_etw_header_flag_trace_message;
40 | static int hf_etw_header_flag_no_cputime;
41 | static int hf_etw_header_flag_32_bit_header;
42 | static int hf_etw_header_flag_64_bit_header;
43 | static int hf_etw_header_flag_decode_guid;
44 | static int hf_etw_header_flag_classic_header;
45 | static int hf_etw_header_flag_processor_index;
46 | static int hf_etw_flags;
47 | static int hf_etw_event_property;
48 | static int hf_etw_event_property_xml;
49 | static int hf_etw_event_property_forwarded_xml;
50 | static int hf_etw_event_property_legacy_eventlog;
51 | static int hf_etw_event_property_legacy_reloggable;
52 | static int hf_etw_thread_id;
53 | static int hf_etw_process_id;
54 | static int hf_etw_time_stamp;
55 | static int hf_etw_provider_id;
56 | static int hf_etw_buffer_context_processor_number;
57 | static int hf_etw_buffer_context_alignment;
58 | static int hf_etw_buffer_context_logger_id;
59 | static int hf_etw_properties_count;
60 | static int hf_etw_provider_name;
61 | static int hf_etw_message;
62 | static int hf_etw_extended_data_count;
63 | static int hf_etw_extended_data;
64 | static int hf_etw_edata;
65 | static int hf_etw_edata_reserved1;
66 | static int hf_etw_edata_exttype;
67 | static int hf_etw_edata_linkage;
68 | static int hf_etw_edata_datasize;
69 | static int hf_etw_edata_dataptr;
70 | static int hf_etw_edata_data;
71 | static int hf_etw_edata_stacktrace_matchid;
72 | static int hf_etw_edata_stacktrace_address;
73 | static int hf_etw_edata_schematl_size;
74 | static int hf_etw_edata_schematl_reserved1;
75 | static int hf_etw_edata_schematl_name;
76 | static int hf_etw_edata_schematl_field;
77 | static int hf_etw_edata_schematl_field_key;
78 | static int hf_etw_edata_schematl_field_flags;
79 | static int hf_etw_edata_schematl_field_type;
80 | static int hf_etw_edata_schematl_field_ccount;
81 | static int hf_etw_edata_schematl_field_vcount;
82 | static int hf_etw_edata_schematl_field_chain;
83 | static int hf_etw_edata_traits_traitssize;
84 | static int hf_etw_edata_traits_providername;
85 | static int hf_etw_property;
86 | static int hf_etw_property_offset;
87 | static int hf_etw_property_keylen;
88 | static int hf_etw_property_valuelen;
89 | static int hf_etw_property_key;
90 | static int hf_etw_property_value;
91 | static int hf_etw_tlv_count;
92 | static int hf_etw_tlv_length;
93 | static int hf_etw_tlv_offset;
94 | static int hf_etw_tlv_type;
95 | static int hf_etw_user_data;
96 | static int hf_etw_descriptor_id;
97 | static int hf_etw_descriptor_version;
98 | static int hf_etw_descriptor_channel;
99 | static int hf_etw_descriptor_level;
100 | static int hf_etw_descriptor_opcode;
101 | static int hf_etw_descriptor_task;
102 | static int hf_etw_descriptor_keywords;
103 | static int hf_etw_processor_time;
104 | static int hf_etw_activity_id;
105 |
106 | // Generated fields
107 | static int hf_etw_type;
108 | static int hf_etw_message_formatted;
109 |
110 | static int ett_etw_header;
111 | static int ett_etw_data;
112 | static int ett_etw_descriptor;
113 | static int ett_etw_buffer_context;
114 | static int ett_etw_extended_data;
115 | static int ett_etw_property;
116 | static int ett_etw_edata;
117 | static int ett_etw_edata_data;
118 | static int ett_etw_edata_schematl_schema;
119 | static int ett_etw_schematl_flags;
120 | static int ett_etw_header_flags;
121 | static int ett_etw_event_property_types;
122 | static int ett_etw_tlvs;
123 | static int ett_etw_tlv;
124 |
125 | static dissector_handle_t mbim_dissector;
126 |
127 | static e_guid_t mbim_net_providerid = { 0xA42FE227, 0xA7BF, 0x4483, {0xA5, 0x02, 0x6B, 0xCD, 0xA4, 0x28, 0xCD, 0x96} };
128 |
129 | static const value_string etw_edata_types[] = {
130 | { 0x0001, "RELATED_ACTIVITYID" },
131 | { 0x0002, "SID" },
132 | { 0x0003, "TS_ID" },
133 | { 0x0004, "INSTANCE_INFO" },
134 | { 0x0005, "STACK_TRACE32" },
135 | { 0x0006, "STACK_TRACE64" },
136 | { 0x0007, "PEBS_INDEX" },
137 | { 0x0008, "PMC_COUNTERS" },
138 | { 0x0009, "PSM_KEY" },
139 | { 0x000A, "EVENT_KEY" },
140 | { 0x000B, "EVENT_SCHEMA_TL" },
141 | { 0x000C, "PROV_TRAITS" },
142 | { 0x000D, "PROCESS_START_KEY" },
143 | { 0x000E, "CONTROL_GUID" },
144 | { 0x000F, "QPC_DELTA" },
145 | { 0x0010, "CONTAINER_ID" },
146 | { 0x0011, "STACK_KEY32" },
147 | { 0x0012, "STACK_KEY64" },
148 | { 0, NULL((void*)0) }
149 | };
150 |
151 | static const value_string etw_tlv_types[] = {
152 | { 0x0000, "USER_DATA" },
153 | { 0x0001, "MESSAGE" },
154 | { 0x0002, "PROVIDER_NAME" },
155 | { 0, NULL((void*)0) }
156 | };
157 |
158 | static const value_string etw_schematl_types[] = {
159 | { 0x01, "UNICODESTRING" },
160 | { 0x02, "ANSISTRING" },
161 | { 0x03, "INT8" },
162 | { 0x04, "UINT8" },
163 | { 0x05, "INT16" },
164 | { 0x06, "UINT16" },
165 | { 0x07, "INT32" },
166 | { 0x08, "UINT32" },
167 | { 0x09, "INT64" },
168 | { 0x0A, "UINT64" },
169 | { 0x0B, "FLOAT" },
170 | { 0x0C, "DOUBLE" },
171 | { 0x0D, "BOOL32" },
172 | { 0x0E, "BINARY" },
173 | { 0x0F, "GUID" },
174 | { 0x11, "FILETIME" },
175 | { 0x12, "SYSTEMTIME" },
176 | { 0x13, "SID" },
177 | { 0x14, "HEXINT32" },
178 | { 0x15, "HEXINT64" },
179 | { 0x16, "COUNTEDSTRING" },
180 | { 0x17, "COUNTEDANSISTRING" },
181 | { 0x18, "STRUCT" },
182 | { 0x19, "COUNTEDBINARY" },
183 | { 0, NULL((void*)0) }
184 | };
185 |
186 | static int* const etw_schematl_flags[] = {
187 | &hf_etw_edata_schematl_field_type,
188 | &hf_etw_edata_schematl_field_ccount,
189 | &hf_etw_edata_schematl_field_vcount,
190 | &hf_etw_edata_schematl_field_chain,
191 | NULL((void*)0)
192 | };
193 |
194 | #define ETW_HEADER_SIZE0x5C 0x5C
195 |
196 | static int etw_counter;
197 |
198 | typedef struct Property_Key_Value
199 | {
200 | const unsigned char *key;
201 | const unsigned char *value;
202 | } PROPERTY_KEY_VALUE;
203 |
204 |
205 | /// <summary>
206 | /// Function to format the properties into the eventlog message
207 | /// </summary>
208 | /// <param name="lpszMessage"></param>
209 | /// <param name="propArray"></param>
210 | /// <param name="dwPropertyCount"></param>
211 | /// <param name="lpszOutBuffer"></param>
212 | /// <param name="dwOutBufferCount"></param>
213 | static int
214 | format_message(char* lpszMessage, wmem_array_t* propArray, wmem_allocator_t* allocator, wmem_strbuf_t** out_buffer)
215 | {
216 | uint16_t startLoc = 0;
217 | int percent_loc = 0;
218 | PROPERTY_KEY_VALUE key_value;
219 | *out_buffer = wmem_strbuf_new(allocator, NULL((void*)0));
220 |
221 | for (int i = 0; lpszMessage[i] != '\0';)
222 | {
223 | if (lpszMessage[i] != '%')
224 | {
225 | i++;
226 | continue;
227 | }
228 |
229 | percent_loc = i;
230 | i++;
231 |
232 | if (g_ascii_isdigit(lpszMessage[i])((g_ascii_table[(guchar) (lpszMessage[i])] & G_ASCII_DIGIT ) != 0))
233 | {
234 | uint16_t dwDigitalCount = 0;
235 | char smallBuffer[MAX_SMALL_BUFFER4] = { 0 };
236 | while (g_ascii_isdigit(lpszMessage[i])((g_ascii_table[(guchar) (lpszMessage[i])] & G_ASCII_DIGIT ) != 0))
237 | {
238 | if (dwDigitalCount < (MAX_SMALL_BUFFER4 - 1))
239 | {
240 | smallBuffer[dwDigitalCount] = lpszMessage[i];
241 | }
242 | dwDigitalCount++;
243 | i++;
244 | }
245 |
246 | /* We are not parsing this */
247 | if (dwDigitalCount >= (MAX_SMALL_BUFFER4 - 1))
248 | {
249 | continue;
250 | }
251 |
252 | gint64 num = g_ascii_strtoll(smallBuffer, NULL((void*)0), 10);
253 | /* We are not parsing this */
254 | if (num <= 0 || num >= G_MAXUSHORT(32767 * 2 + 1) || wmem_array_try_index(propArray, (unsigned int) num - 1, &key_value) != 0 || key_value.value == NULL((void*)0))
255 | {
256 | continue;
257 | }
258 |
259 | if (lpszMessage[i] == '!' && lpszMessage[i + 1] == 'S' && lpszMessage[i + 2] == '!')
260 | {
261 | i += 3;
262 | }
263 |
264 | /* We have everything */
265 | lpszMessage[percent_loc] = '\0';
266 | wmem_strbuf_append(*out_buffer, lpszMessage + startLoc);
267 | wmem_strbuf_append(*out_buffer, (char*) key_value.value);
268 | startLoc = i;
269 | continue; // for
270 | }
271 | }
272 | wmem_strbuf_append(*out_buffer, lpszMessage + startLoc);
273 |
274 | return 0;
275 | }
276 |
277 | static int
278 | dissect_properties(tvbuff_t* tvb, packet_info* pinfo, proto_tree* edata_tree, uint32_t offset, uint32_t count, wmem_allocator_t* allocator, wmem_array_t** propArray)
279 | {
280 | uint32_t i;
281 | proto_item* ti;
282 | proto_tree* prop_tree;
283 | uint32_t item_offset = offset;
284 | uint16_t item_key_length = 0, item_value_length = 0;
285 |
286 | PROPERTY_KEY_VALUE prop;
287 | *propArray = wmem_array_new(allocator, sizeof(PROPERTY_KEY_VALUE));
288 |
289 | for (i = 0; i < count; i++)
290 | {
291 | ti = proto_tree_add_item(edata_tree, hf_etw_property, tvb, offset, 8, ENC_NA0x00000000);
292 | prop_tree = proto_item_add_subtree(ti, ett_etw_property);
293 |
294 | proto_tree_add_item_ret_uint32(prop_tree, hf_etw_property_offset, tvb, offset, 4, ENC_LITTLE_ENDIAN0x80000000, &item_offset);
295 | offset += 4;
296 | proto_tree_add_item_ret_uint16(prop_tree, hf_etw_property_keylen, tvb, offset, 2, ENC_LITTLE_ENDIAN0x80000000, &item_key_length);
297 | offset += 2;
298 | proto_tree_add_item_ret_uint16(prop_tree, hf_etw_property_valuelen, tvb, offset, 2, ENC_LITTLE_ENDIAN0x80000000, &item_value_length);
299 | offset += 2;
300 |
301 | proto_tree_add_item_ret_string(prop_tree, hf_etw_property_key, tvb, item_offset, item_key_length, ENC_LITTLE_ENDIAN0x80000000 | ENC_UTF_160x00000004, pinfo->pool, &prop.key);
302 | proto_tree_add_item_ret_string(prop_tree, hf_etw_property_value, tvb, item_offset + item_key_length, item_value_length, ENC_LITTLE_ENDIAN0x80000000 | ENC_UTF_160x00000004, pinfo->pool, &prop.value);
303 |
304 | proto_item_set_text(prop_tree, "%s=%s", prop.key, prop.value);
305 | wmem_array_append(*propArray, &prop, 1);
306 | }
307 | offset = item_offset + item_key_length + item_value_length;
308 |
309 | return offset;
310 | }
311 |
312 | /// <summary>
313 | /// Dissect the "Extended Data" blobs
314 | /// </summary>
315 | static int
316 | dissect_edata_tlvs(tvbuff_t* tvb, packet_info* pinfo, proto_tree* edata_tree, uint32_t offset, uint16_t extended_data_count, bool_Bool* is_tl)
317 | {
318 | uint16_t i;
319 | proto_item* ti;
320 | proto_tree* edata_item_tree, *edata_item_data_tree, *edata_schematl_schema;
321 | uint64_t edata_off64;
322 | uint32_t edata_off = offset, edata_off_int;
323 | uint16_t edata_sz = 0, edata_type = 0;
324 |
325 | for (i = 0; i < extended_data_count; i++)
326 | {
327 | ti = proto_tree_add_item(edata_tree, hf_etw_edata, tvb, offset, 16, ENC_NA0x00000000);
328 | edata_item_tree = proto_item_add_subtree(ti, ett_etw_edata);
329 |
330 | proto_tree_add_item(edata_item_tree, hf_etw_edata_reserved1, tvb, offset, 2, ENC_LITTLE_ENDIAN0x80000000);
331 | offset += 2;
332 | proto_tree_add_item_ret_uint16(edata_item_tree, hf_etw_edata_exttype, tvb, offset, 2, ENC_LITTLE_ENDIAN0x80000000, &edata_type);
333 | offset += 2;
334 | proto_tree_add_item(edata_item_tree, hf_etw_edata_linkage, tvb, offset, 2, ENC_LITTLE_ENDIAN0x80000000);
335 | offset += 2;
336 | proto_tree_add_item_ret_uint16(edata_item_tree, hf_etw_edata_datasize, tvb, offset, 2, ENC_LITTLE_ENDIAN0x80000000, &edata_sz);
337 | offset += 2;
338 | proto_tree_add_item_ret_uint64(edata_item_tree, hf_etw_edata_dataptr, tvb, offset, 8, ENC_LITTLE_ENDIAN0x80000000, &edata_off64);
339 | offset += 8;
340 |
341 | if (edata_off64 > UINT32_MAX(4294967295U))
342 | continue; // should never happen, but to be safe
343 |
344 | edata_off = (uint32_t) edata_off64;
345 |
346 | ti = proto_tree_add_item(edata_item_tree, hf_etw_edata_data, tvb, edata_off, edata_sz, ENC_NA0x00000000);
347 | edata_item_data_tree = proto_item_add_subtree(ti, ett_etw_edata_data);
348 |
349 | edata_off_int = edata_off;
350 | switch (edata_type)
351 | {
352 | case 0x0002: // SID
353 | proto_item_set_text(ti, "Data (SID)");
354 | dissect_nt_sid(tvb, pinfo, edata_off_int, edata_item_data_tree, "SID", NULL((void*)0), -1);
355 |
356 | break;
357 | case 0x0006: // EVENT_STACK_TRACE64
358 | proto_item_set_text(ti, "Data (EVENT_STACK_TRACE64)");
359 |
360 | proto_tree_add_item(edata_item_data_tree, hf_etw_edata_stacktrace_matchid, tvb, edata_off_int, 8, ENC_LITTLE_ENDIAN0x80000000);
361 | edata_off_int += 8;
362 |
363 | while (edata_off_int < edata_off + edata_sz)
364 | {
365 | proto_tree_add_item(edata_item_data_tree, hf_etw_edata_stacktrace_address, tvb, edata_off_int, 8, ENC_LITTLE_ENDIAN0x80000000);
366 | edata_off_int += 8;
367 | }
368 | break;
369 |
370 | case 0x000B: // EVENT_SCHEMA_TL
371 | {
372 | uint8_t schema_size = 0;
373 | int item_size = 0;
374 |
375 | *is_tl = true1;
376 | proto_item_set_text(ti, "Data (EVENT_SCHEMA_TL)");
377 |
378 | proto_tree_add_item_ret_uint8(edata_item_data_tree, hf_etw_edata_schematl_size, tvb, edata_off_int, 1, ENC_LITTLE_ENDIAN0x80000000, &schema_size);
379 | edata_off_int += 1;
380 | proto_tree_add_item(edata_item_data_tree, hf_etw_edata_schematl_reserved1, tvb, edata_off_int, 2, ENC_LITTLE_ENDIAN0x80000000);
381 | edata_off_int += 2;
382 | proto_tree_add_item_ret_length(edata_item_data_tree, hf_etw_edata_schematl_name, tvb, edata_off_int, -1, ENC_LITTLE_ENDIAN0x80000000, &item_size);
383 | edata_off_int += item_size;
384 |
385 | while (edata_off_int < edata_off + schema_size)
386 | {
387 | ti = proto_tree_add_item(edata_item_data_tree, hf_etw_edata_schematl_field, tvb, edata_off_int, 0, ENC_NA0x00000000);
388 | edata_schematl_schema = proto_item_add_subtree(ti, ett_etw_edata_schematl_schema);
389 |
390 | proto_tree_add_item_ret_length(edata_schematl_schema, hf_etw_edata_schematl_field_key, tvb, edata_off_int, -1, ENC_LITTLE_ENDIAN0x80000000, &item_size);
391 | edata_off_int += item_size;
392 | proto_tree_add_bitmask(edata_schematl_schema, tvb, edata_off_int, hf_etw_edata_schematl_field_flags,
393 | ett_etw_schematl_flags, etw_schematl_flags, ENC_LITTLE_ENDIAN0x80000000);
394 | edata_off_int += 1;
395 | }
396 | break;
397 | }
398 | case 0x000C: // PROV_TRAITS
399 | {
400 | // https://learn.microsoft.com/en-us/windows/win32/etw/provider-traits
401 | uint16_t traits_size = 0;
402 |
403 | proto_item_set_text(ti, "Data (PROV_TRAITS)");
404 |
405 | proto_tree_add_item_ret_uint16(edata_item_data_tree, hf_etw_edata_traits_traitssize, tvb, edata_off_int, 2, ENC_LITTLE_ENDIAN0x80000000, &traits_size);
406 | edata_off_int += 2;
407 | proto_tree_add_item(edata_item_data_tree, hf_etw_edata_traits_providername, tvb, edata_off_int, traits_size - 2, ENC_NA0x00000000 | ENC_UTF_80x00000002);
408 | edata_off_int += traits_size;
| Value stored to 'edata_off_int' is never read
409 | break;
410 | }
411 |
412 | default:
413 | break;
414 | }
415 |
416 |
417 | }
418 |
419 | return offset;
420 | }
421 |
422 | static int
423 | dissect_etw(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree _U___attribute__((unused)), void* data _U___attribute__((unused)))
424 | {
425 | // We parse an "ETL->Wireshark encapsulation" format, which is defined in etl.c. This format
426 | // includes the actual ETW header, in addition to formatted structures which we added during
427 | // the dump process.
428 |
429 | proto_tree* etw_header, * etw_descriptor, * etw_buffer_context, * edata_tree, * etw_data, * etw_tlvs;
430 | proto_item* ti;
431 | tvbuff_t* mbim_tvb;
432 | char* provider_name;
433 | uint32_t message_offset = 0, message_length = 0, provider_name_offset = 0, provider_name_length = 0, user_data_offset = 0, user_data_length = 0;
434 | uint32_t properties_offset, properties_count;
435 | uint16_t extended_data_count, tlv_count;
436 | uint64_t flags;
437 | wmem_array_t* propArray = NULL((void*)0);
438 | bool_Bool is_tl = false0;
439 | e_guid_t provider_id;
440 | nstime_t timestamp;
441 | uint64_t ts;
442 | int offset = 0;
443 | static int * const etw_header_flags[] = {
444 | &hf_etw_header_flag_extended_info,
445 | &hf_etw_header_flag_private_session,
446 | &hf_etw_header_flag_string_only,
447 | &hf_etw_header_flag_trace_message,
448 | &hf_etw_header_flag_no_cputime,
449 | &hf_etw_header_flag_32_bit_header,
450 | &hf_etw_header_flag_64_bit_header,
451 | &hf_etw_header_flag_decode_guid,
452 | &hf_etw_header_flag_classic_header,
453 | &hf_etw_header_flag_processor_index,
454 | NULL((void*)0)
455 | };
456 |
457 | static int * const etw_event_property_opt[] = {
458 | &hf_etw_event_property_xml,
459 | &hf_etw_event_property_forwarded_xml,
460 | &hf_etw_event_property_legacy_eventlog,
461 | &hf_etw_event_property_legacy_reloggable,
462 | NULL((void*)0)
463 | };
464 |
465 | // Header
466 |
467 | etw_header = proto_tree_add_subtree(tree, tvb, 0, ETW_HEADER_SIZE0x5C, ett_etw_header, NULL((void*)0), "ETW Header");
468 | proto_tree_add_item(etw_header, hf_etw_size, tvb, offset, 2, ENC_LITTLE_ENDIAN0x80000000);
469 | offset += 2;
470 | proto_tree_add_item(etw_header, hf_etw_header_type, tvb, offset, 2, ENC_LITTLE_ENDIAN0x80000000);
471 | offset += 2;
472 | proto_tree_add_bitmask_ret_uint64(etw_header, tvb, offset, hf_etw_flags,
473 | ett_etw_header_flags, etw_header_flags, ENC_LITTLE_ENDIAN0x80000000, &flags);
474 | offset += 2;
475 | proto_tree_add_bitmask(etw_header, tvb, offset, hf_etw_event_property,
476 | ett_etw_event_property_types, etw_event_property_opt, ENC_LITTLE_ENDIAN0x80000000);
477 | offset += 2;
478 | proto_tree_add_item(etw_header, hf_etw_thread_id, tvb, offset, 4, ENC_LITTLE_ENDIAN0x80000000);
479 | offset += 4;
480 | proto_tree_add_item(etw_header, hf_etw_process_id, tvb, offset, 4, ENC_LITTLE_ENDIAN0x80000000);
481 | offset += 4;
482 | ts = tvb_get_letoh64(tvb, offset) - INT64_C(0x019DB1DED53E8000)0x019DB1DED53E8000L;
483 | timestamp.secs = (unsigned)(ts / 10000000);
484 | timestamp.nsecs = (unsigned)((ts % 10000000) * 100);
485 | proto_tree_add_time(etw_header, hf_etw_time_stamp, tvb, offset, 8, &timestamp);
486 | offset += 8;
487 | tvb_get_letohguid(tvb, offset, &provider_id);
488 | proto_tree_add_item(etw_header, hf_etw_provider_id, tvb, offset, 16, ENC_LITTLE_ENDIAN0x80000000);
489 | offset += 16;
490 |
491 | etw_descriptor = proto_tree_add_subtree(etw_header, tvb, 40, 16, ett_etw_descriptor, NULL((void*)0), "Descriptor");
492 | proto_tree_add_item(etw_descriptor, hf_etw_descriptor_id, tvb, offset, 2, ENC_LITTLE_ENDIAN0x80000000);
493 | offset += 2;
494 | proto_tree_add_item(etw_descriptor, hf_etw_descriptor_version, tvb, offset, 1, ENC_LITTLE_ENDIAN0x80000000);
495 | offset += 1;
496 | proto_tree_add_item(etw_descriptor, hf_etw_descriptor_channel, tvb, offset, 1, ENC_LITTLE_ENDIAN0x80000000);
497 | offset += 1;
498 | proto_tree_add_item(etw_descriptor, hf_etw_descriptor_level, tvb, offset, 1, ENC_LITTLE_ENDIAN0x80000000);
499 | offset += 1;
500 | proto_tree_add_item(etw_descriptor, hf_etw_descriptor_opcode, tvb, offset, 1, ENC_LITTLE_ENDIAN0x80000000);
501 | offset += 1;
502 | proto_tree_add_item(etw_descriptor, hf_etw_descriptor_task, tvb, offset, 2, ENC_LITTLE_ENDIAN0x80000000);
503 | offset += 2;
504 | proto_tree_add_item(etw_descriptor, hf_etw_descriptor_keywords, tvb, offset, 8, ENC_LITTLE_ENDIAN0x80000000);
505 | offset += 8;
506 |
507 | proto_tree_add_item(etw_header, hf_etw_processor_time, tvb, offset, 8, ENC_LITTLE_ENDIAN0x80000000);
508 | offset += 8;
509 | proto_tree_add_item(etw_header, hf_etw_activity_id, tvb, offset, 16, ENC_LITTLE_ENDIAN0x80000000);
510 | offset += 16;
511 |
512 | etw_buffer_context = proto_tree_add_subtree(etw_header, tvb, 80, 4, ett_etw_descriptor, NULL((void*)0), "Buffer Context");
513 | proto_tree_add_item(etw_buffer_context, hf_etw_buffer_context_processor_number, tvb, offset, 1, ENC_LITTLE_ENDIAN0x80000000);
514 | offset += 1;
515 | proto_tree_add_item(etw_buffer_context, hf_etw_buffer_context_alignment, tvb, offset, 1, ENC_LITTLE_ENDIAN0x80000000);
516 | offset += 1;
517 | proto_tree_add_item(etw_buffer_context, hf_etw_buffer_context_logger_id, tvb, offset, 2, ENC_LITTLE_ENDIAN0x80000000);
518 | offset += 2;
519 | proto_tree_add_item_ret_uint16(etw_header, hf_etw_extended_data_count, tvb, offset, 2, ENC_LITTLE_ENDIAN0x80000000, &extended_data_count);
520 | offset += 2;
521 | proto_tree_add_item_ret_uint16(etw_header, hf_etw_tlv_count, tvb, offset, 2, ENC_LITTLE_ENDIAN0x80000000, &tlv_count);
522 | offset += 2;
523 | proto_tree_add_item_ret_uint(etw_header, hf_etw_properties_count, tvb, offset, 4, ENC_LITTLE_ENDIAN0x80000000, &properties_count);
524 | offset += 4;
525 |
526 | // Extended data
527 |
528 | ti = proto_tree_add_item(etw_header, hf_etw_extended_data, tvb, offset, extended_data_count * 16, ENC_NA0x00000000); // sizeof(EVENT_HEADER_EXTENDED_DATA_ITEM) = 16
529 | edata_tree = proto_item_add_subtree(ti, ett_etw_extended_data);
530 | offset = dissect_edata_tlvs(tvb, pinfo, edata_tree, offset, extended_data_count, &is_tl);
531 |
532 | // Expert info
533 |
534 | if (flags & 0x0008) // EVENT_HEADER_FLAG_TRACE_MESSAGE
535 | {
536 | // WPP
537 | ti = proto_tree_add_string(etw_header, hf_etw_type, tvb, 0, -1, "WPP");
538 | }
539 | else if (flags & 0x0100) // EVENT_HEADER_FLAG_CLASSIC_HEADER
540 | {
541 | // MOF (CLASSIC)
542 | ti = proto_tree_add_string(etw_header, hf_etw_type, tvb, 0, -1, "MOF (classic)");
543 | }
544 | else if (is_tl)
545 | {
546 | // TRACELOGGING
547 | ti = proto_tree_add_string(etw_header, hf_etw_type, tvb, 0, -1, "TraceLogging");
548 | }
549 | else
550 | {
551 | // MANIFEST
552 | ti = proto_tree_add_string(etw_header, hf_etw_type, tvb, 0, -1, "Manifest-based");
553 | }
554 | proto_item_set_generated(ti);
555 |
556 | // Now is the bunch of TLVs that include formatted stuff
557 | if (tlv_count > 0)
558 | {
559 | etw_tlvs = proto_tree_add_subtree(etw_header, tvb, offset, tlv_count * 12, ett_etw_tlvs, NULL((void*)0), "Extra Information");
560 |
561 | for (uint16_t i = 0; i < tlv_count; i++)
562 | {
563 | uint32_t tlv_type, tlv_offset, tlv_length;
564 |
565 | proto_tree* etw_tlv = proto_tree_add_subtree(etw_tlvs, tvb, offset, 12, ett_etw_tlv, NULL((void*)0), "Extra Information Item");
566 |
567 | proto_tree_add_item_ret_uint(etw_tlv, hf_etw_tlv_type, tvb, offset, 4, ENC_LITTLE_ENDIAN0x80000000, &tlv_type);
568 | offset += 4;
569 | proto_tree_add_item_ret_uint(etw_tlv, hf_etw_tlv_offset, tvb, offset, 4, ENC_LITTLE_ENDIAN0x80000000, &tlv_offset);
570 | offset += 4;
571 | proto_tree_add_item_ret_uint(etw_tlv, hf_etw_tlv_length, tvb, offset, 4, ENC_LITTLE_ENDIAN0x80000000, &tlv_length);
572 | offset += 4;
573 |
574 | if (tlv_type == 0)
575 | {
576 | // TLV_USER_DATA
577 | proto_item_set_text(etw_tlv, "Extra Information Item (USER_DATA)");
578 | user_data_offset = tlv_offset;
579 | user_data_length = tlv_length;
580 | }
581 | else if (tlv_type == 1)
582 | {
583 | // TLV_MESSAGE
584 | proto_item_set_text(etw_tlv, "Extra Information Item (MESSAGE)");
585 | message_offset = tlv_offset;
586 | message_length = tlv_length;
587 | }
588 | else if (tlv_type == 2)
589 | {
590 | // TLV_PROVIDER_NAME
591 | proto_item_set_text(etw_tlv, "Extra Information Item (PROVIDER_NAME)");
592 | provider_name_offset = tlv_offset;
593 | provider_name_length = tlv_length;
594 | }
595 | }
596 | }
597 |
598 | // Now it's the properties (we parse them later)
599 |
600 | properties_offset = offset;
601 |
602 | // We're done with the header. Starting adding "Data" elements.
603 |
604 | if (provider_name_length) {
605 | // Specifically for the provider name, we keep it in the "Data" header to handle the MBIM case
606 | proto_tree_add_item_ret_string(etw_header, hf_etw_provider_name, tvb, provider_name_offset, provider_name_length, ENC_LITTLE_ENDIAN0x80000000 | ENC_UTF_160x00000004, pinfo->pool, (const uint8_t **) & provider_name);
607 | }
608 |
609 | // User data + set columns
610 |
611 | col_set_str(pinfo->cinfo, COL_DEF_SRC, "windows");
612 | col_set_str(pinfo->cinfo, COL_DEF_DST, "windows");
613 | if (memcmp(&mbim_net_providerid, &provider_id, sizeof(e_guid_t)) == 0) {
614 | // Special case for MBIM
615 | uint32_t pack_flags;
616 |
617 | if (WTAP_OPTTYPE_SUCCESS == wtap_block_get_uint32_option_value(pinfo->rec->block, OPT_PKT_FLAGS2, &pack_flags)) {
618 | switch(PACK_FLAGS_DIRECTION(pack_flags)(((pack_flags) & 0x00000003) >> 0)) {
619 | case PACK_FLAGS_DIRECTION_INBOUND1:
620 | col_set_str(pinfo->cinfo, COL_DEF_SRC, "device");
621 | col_set_str(pinfo->cinfo, COL_DEF_DST, "host");
622 | break;
623 | case PACK_FLAGS_DIRECTION_OUTBOUND2:
624 | col_set_str(pinfo->cinfo, COL_DEF_SRC, "host");
625 | col_set_str(pinfo->cinfo, COL_DEF_DST, "device");
626 | break;
627 | }
628 | }
629 | mbim_tvb = tvb_new_subset_remaining(tvb, user_data_offset);
630 | call_dissector_only(mbim_dissector, mbim_tvb, pinfo, tree, data);
631 | }
632 | else
633 | {
634 | // Other provider: add "Data" header
635 |
636 | etw_data = proto_tree_add_subtree(tree, tvb, offset, 0, ett_etw_data, NULL((void*)0), "ETW Data");
637 | if (properties_count) {
638 | offset = dissect_properties(tvb, pinfo, etw_data, properties_offset, properties_count, pinfo->pool, &propArray);
639 | }
640 | if (user_data_length) {
641 | proto_tree_add_item(etw_data, hf_etw_user_data, tvb, user_data_offset, user_data_length, ENC_NA0x00000000);
642 | }
643 |
644 | if (provider_name_length) {
645 | col_set_str(pinfo->cinfo, COL_PROTOCOL, provider_name);
646 | }
647 |
648 | if (message_length) {
649 | char* message;
650 |
651 | proto_tree_add_item_ret_string(etw_data, hf_etw_message, tvb, message_offset, message_length, ENC_LITTLE_ENDIAN0x80000000 | ENC_UTF_160x00000004, pinfo->pool, (const uint8_t**)& message);
652 | if (propArray != NULL((void*)0))
653 | {
654 | wmem_strbuf_t* out_buffer;
655 | format_message(message, propArray, pinfo->pool, &out_buffer);
656 | message = out_buffer->str;
657 | ti = proto_tree_add_string(etw_data, hf_etw_message_formatted, tvb, 0, -1, message);
658 | proto_item_set_generated(ti);
659 | }
660 | col_set_str(pinfo->cinfo, COL_INFO, message);
661 | }
662 | else
663 | {
664 | col_set_str(pinfo->cinfo, COL_INFO, guids_resolve_guid_to_str(&provider_id, pinfo->pool));
665 | }
666 | }
667 |
668 | etw_counter += 1;
669 | return tvb_captured_length(tvb);
670 | }
671 |
672 | void
673 | proto_register_etw(void)
674 | {
675 | static hf_register_info hf[] = {
676 | { &hf_etw_size,
677 | { "Size", "etw.size",
678 | FT_UINT16, BASE_DEC, NULL((void*)0), 0,
679 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
680 | },
681 | { &hf_etw_header_type,
682 | { "Header Type", "etw.header_type",
683 | FT_UINT16, BASE_DEC, NULL((void*)0), 0,
684 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
685 | },
686 | { &hf_etw_flags,
687 | { "Flags", "etw.flags",
688 | FT_UINT16, BASE_DEC, NULL((void*)0), 0,
689 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
690 | },
691 | { &hf_etw_header_flag_extended_info,
692 | { "Extended Info", "etw.header.flag.extended_info",
693 | FT_UINT32, BASE_DEC, NULL((void*)0), 0x0001,
694 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
695 | },
696 | { &hf_etw_header_flag_private_session,
697 | { "Private Session", "etw.header.flag.private_session",
698 | FT_UINT32, BASE_DEC, NULL((void*)0), 0x0002,
699 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
700 | },
701 | { &hf_etw_header_flag_string_only,
702 | { "String Only", "etw.header.flag.string_only",
703 | FT_UINT32, BASE_DEC, NULL((void*)0), 0x0004,
704 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
705 | },
706 | { &hf_etw_header_flag_trace_message,
707 | { "Trace Message", "etw.header.flag.trace_message",
708 | FT_UINT32, BASE_DEC, NULL((void*)0), 0x0008,
709 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
710 | },
711 | { &hf_etw_header_flag_no_cputime,
712 | { "No CPU time", "etw.header.flag.no_cputime",
713 | FT_UINT32, BASE_DEC, NULL((void*)0), 0x0010,
714 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
715 | },
716 | { &hf_etw_header_flag_32_bit_header,
717 | { "32-bit Header", "etw.header.flag.32_bit_header",
718 | FT_UINT32, BASE_DEC, NULL((void*)0), 0x0020,
719 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
720 | },
721 | { &hf_etw_header_flag_64_bit_header,
722 | { "64-bit Header", "etw.header.flag.64_bit_header",
723 | FT_UINT32, BASE_DEC, NULL((void*)0), 0x0040,
724 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
725 | },
726 | { &hf_etw_header_flag_decode_guid,
727 | { "Decode GUID", "etw.header.flag.decode_guid",
728 | FT_UINT32, BASE_DEC, NULL((void*)0), 0x0080,
729 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
730 | },
731 | { &hf_etw_header_flag_classic_header,
732 | { "Classic Header", "etw.header.flag.classic_header",
733 | FT_UINT32, BASE_DEC, NULL((void*)0), 0x0100,
734 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
735 | },
736 | { &hf_etw_header_flag_processor_index,
737 | { "Processor Index", "etw.header.flag.processor_index",
738 | FT_UINT32, BASE_DEC, NULL((void*)0), 0x0200,
739 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
740 | },
741 | { &hf_etw_event_property,
742 | { "Event Property", "etw.event_property",
743 | FT_UINT16, BASE_DEC, NULL((void*)0), 0,
744 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
745 | },
746 | { &hf_etw_event_property_xml,
747 | { "XML", "etw.property.xml",
748 | FT_UINT32, BASE_DEC, NULL((void*)0), 0x0001,
749 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
750 | },
751 | { &hf_etw_event_property_forwarded_xml,
752 | { "Forwarded XML", "etw.property.forwarded_xml",
753 | FT_UINT32, BASE_DEC, NULL((void*)0), 0x0002,
754 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
755 | },
756 | { &hf_etw_event_property_legacy_eventlog,
757 | { "Legacy Event Log", "etw.property.legacy_event",
758 | FT_UINT32, BASE_DEC, NULL((void*)0), 0x0004,
759 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
760 | },
761 | { &hf_etw_event_property_legacy_reloggable,
762 | { "Legacy Reloggable", "etw.property.legacy_reloggable",
763 | FT_UINT32, BASE_DEC, NULL((void*)0), 0x0008,
764 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
765 | },
766 | { &hf_etw_thread_id,
767 | { "Thread ID", "etw.thread_id",
768 | FT_UINT32, BASE_DEC, NULL((void*)0), 0,
769 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
770 | },
771 | { &hf_etw_process_id,
772 | { "Process ID", "etw.process_id",
773 | FT_UINT32, BASE_DEC, NULL((void*)0), 0,
774 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
775 | },
776 | { &hf_etw_time_stamp,
777 | { "Time Stamp", "etw.time_stamp",
778 | FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL((void*)0), 0,
779 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
780 | },
781 | { &hf_etw_provider_id,
782 | { "Provider ID", "etw.provider_id",
783 | FT_GUID, BASE_NONE, NULL((void*)0), 0,
784 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
785 | },
786 | { &hf_etw_buffer_context_processor_number,
787 | { "Processor Number", "etw.buffer_context.processor_number",
788 | FT_UINT8, BASE_DEC, NULL((void*)0), 0,
789 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
790 | },
791 | { &hf_etw_buffer_context_alignment,
792 | { "Alignment", "etw.buffer_context.alignment",
793 | FT_UINT8, BASE_DEC, NULL((void*)0), 0,
794 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
795 | },
796 | { &hf_etw_buffer_context_logger_id,
797 | { "ID", "etw.buffer_context.logger_id",
798 | FT_UINT16, BASE_DEC, NULL((void*)0), 0,
799 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
800 | },
801 | { &hf_etw_tlv_count,
802 | { "Extra Information Count", "etw.tlv_count",
803 | FT_UINT16, BASE_DEC, NULL((void*)0), 0,
804 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
805 | },
806 | { &hf_etw_tlv_offset,
807 | { "Offset", "etw.tlv.offset",
808 | FT_UINT32, BASE_DEC, NULL((void*)0), 0,
809 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
810 | },
811 | { &hf_etw_tlv_length,
812 | { "Length", "etw.tlv.length",
813 | FT_UINT32, BASE_DEC, NULL((void*)0), 0,
814 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
815 | },
816 | { &hf_etw_tlv_type,
817 | { "Type", "etw.tlv.type",
818 | FT_UINT32, BASE_DEC, VALS(etw_tlv_types)((0 ? (const struct _value_string*)0 : ((etw_tlv_types)))), 0,
819 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
820 | },
821 | { &hf_etw_properties_count,
822 | { "Properties count", "etw.props_count",
823 | FT_UINT32, BASE_DEC, NULL((void*)0), 0,
824 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
825 | },
826 | { &hf_etw_provider_name,
827 | { "Provider Name", "etw.provider_name",
828 | FT_STRINGZ, BASE_NONE, NULL((void*)0), 0,
829 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
830 | },
831 | { &hf_etw_message,
832 | { "Event Message", "etw.message",
833 | FT_STRINGZ, BASE_NONE, NULL((void*)0), 0,
834 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
835 | },
836 | { &hf_etw_extended_data_count,
837 | { "Extended Data Count", "etw.extended_data_count",
838 | FT_UINT16, BASE_DEC, NULL((void*)0), 0,
839 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
840 | },
841 | { &hf_etw_extended_data,
842 | { "Extended Data", "etw.extended_data",
843 | FT_NONE, BASE_NONE, NULL((void*)0), 0,
844 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
845 | },
846 | { &hf_etw_edata,
847 | { "Extended Data Item", "etw.edata",
848 | FT_NONE, BASE_NONE, NULL((void*)0), 0,
849 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
850 | },
851 | { &hf_etw_edata_reserved1,
852 | { "Reserved1", "etw.edata.reserved1",
853 | FT_UINT16, BASE_DEC, NULL((void*)0), 0,
854 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
855 | },
856 | { &hf_etw_edata_exttype,
857 | { "ExtType", "etw.edata.exttype",
858 | FT_UINT16, BASE_DEC, VALS(etw_edata_types)((0 ? (const struct _value_string*)0 : ((etw_edata_types)))), 0,
859 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
860 | },
861 | { &hf_etw_edata_linkage,
862 | { "Linkage", "etw.edata.linkage",
863 | FT_UINT16, BASE_DEC, NULL((void*)0), 0,
864 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
865 | },
866 | { &hf_etw_edata_datasize,
867 | { "DataSize", "etw.edata.datasize",
868 | FT_UINT16, BASE_DEC, NULL((void*)0), 0,
869 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
870 | },
871 | { &hf_etw_edata_dataptr,
872 | { "DataPtr", "etw.edata.dataptr",
873 | FT_UINT64, BASE_DEC, NULL((void*)0), 0,
874 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
875 | },
876 | { &hf_etw_edata_data,
877 | { "Data", "etw.edata.data",
878 | FT_NONE, BASE_NONE, NULL((void*)0), 0,
879 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
880 | },
881 | { &hf_etw_edata_stacktrace_matchid,
882 | { "MatchId", "etw.edata.stacktrace.matchid",
883 | FT_UINT64, BASE_DEC, NULL((void*)0), 0,
884 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
885 | },
886 | { &hf_etw_edata_stacktrace_address,
887 | { "Address", "etw.edata.stacktrace.address",
888 | FT_UINT64, BASE_HEX, NULL((void*)0), 0,
889 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
890 | },
891 | { &hf_etw_edata_schematl_size,
892 | { "Size", "etw.edata.schematl.size",
893 | FT_UINT8, BASE_DEC, NULL((void*)0), 0,
894 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
895 | },
896 | { &hf_etw_edata_schematl_reserved1,
897 | { "Unknown", "etw.edata.schematl.reserved1",
898 | FT_UINT8, BASE_DEC, NULL((void*)0), 0,
899 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
900 | },
901 | { &hf_etw_edata_schematl_name,
902 | { "Event Name", "etw.edata.schematl.name",
903 | FT_STRINGZ, BASE_NONE, NULL((void*)0), 0,
904 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
905 | },
906 | { &hf_etw_edata_schematl_field,
907 | { "Schema Field", "etw.edata.schematl.field",
908 | FT_NONE, BASE_NONE, NULL((void*)0), 0,
909 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
910 | },
911 | { &hf_etw_edata_schematl_field_key,
912 | { "Key", "etw.edata.schematl.field.key",
913 | FT_STRINGZ, BASE_NONE, NULL((void*)0), 0,
914 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
915 | },
916 | { &hf_etw_edata_schematl_field_flags,
917 | { "Flags", "etw.edata.schematl.field.flags",
918 | FT_UINT8, BASE_DEC, NULL((void*)0), 0,
919 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
920 | },
921 | { &hf_etw_edata_schematl_field_type,
922 | { "Type", "etw.edata.schematl.field.type",
923 | FT_UINT8, BASE_DEC, VALS(etw_schematl_types)((0 ? (const struct _value_string*)0 : ((etw_schematl_types)) )), 0x1F,
924 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
925 | },
926 | { &hf_etw_edata_schematl_field_ccount,
927 | { "Constant array count", "etw.edata.schematl.field.ccount",
928 | FT_UINT8, BASE_DEC, NULL((void*)0), 0x20,
929 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
930 | },
931 | { &hf_etw_edata_schematl_field_vcount,
932 | { "Variable array count", "etw.edata.schematl.field.vcount",
933 | FT_UINT8, BASE_DEC, NULL((void*)0), 0x40,
934 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
935 | },
936 | { &hf_etw_edata_schematl_field_chain,
937 | { "Chain", "etw.edata.schematl.field.chain",
938 | FT_UINT8, BASE_DEC, NULL((void*)0), 0x80,
939 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
940 | },
941 | { &hf_etw_edata_traits_traitssize,
942 | { "Trait size", "etw.edata.traits.traitssize",
943 | FT_UINT16, BASE_DEC, NULL((void*)0), 0,
944 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
945 | },
946 | { &hf_etw_edata_traits_providername,
947 | { "Trait provider name", "etw.edata.traits.providername",
948 | FT_STRINGZ, BASE_NONE, NULL((void*)0), 0,
949 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
950 | },
951 | { &hf_etw_property,
952 | { "Property", "etw.prop",
953 | FT_NONE, BASE_NONE, NULL((void*)0), 0,
954 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
955 | },
956 | { &hf_etw_property_offset,
957 | { "Offset", "etw.prop.offset",
958 | FT_UINT32, BASE_DEC, NULL((void*)0), 0,
959 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
960 | },
961 | { &hf_etw_property_keylen,
962 | { "Key Length", "etw.prop.keylen",
963 | FT_UINT16, BASE_DEC, NULL((void*)0), 0,
964 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
965 | },
966 | { &hf_etw_property_valuelen,
967 | { "Value Length", "etw.prop.valuelen",
968 | FT_UINT16, BASE_DEC, NULL((void*)0), 0,
969 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
970 | },
971 | { &hf_etw_property_key,
972 | { "Key", "etw.prop.key",
973 | FT_STRINGZ, BASE_NONE, NULL((void*)0), 0,
974 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
975 | },
976 | { &hf_etw_property_value,
977 | { "Value", "etw.prop.value",
978 | FT_STRINGZ, BASE_NONE, NULL((void*)0), 0,
979 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
980 | },
981 | { &hf_etw_user_data,
982 | { "Raw User Data", "etw.user_data",
983 | FT_NONE, BASE_NONE, NULL((void*)0), 0,
984 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
985 | },
986 | { &hf_etw_descriptor_id,
987 | { "ID", "etw.descriptor.id",
988 | FT_UINT16, BASE_DEC, NULL((void*)0), 0,
989 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
990 | },
991 | { &hf_etw_descriptor_version,
992 | { "Version", "etw.descriptor.version",
993 | FT_UINT8, BASE_DEC, NULL((void*)0), 0,
994 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
995 | },
996 | { &hf_etw_descriptor_channel,
997 | { "Channel", "etw.descriptor.channel",
998 | FT_UINT8, BASE_DEC, NULL((void*)0), 0,
999 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
1000 | },
1001 | { &hf_etw_descriptor_level,
1002 | { "Level", "etw.descriptor.level",
1003 | FT_UINT8, BASE_DEC, NULL((void*)0), 0,
1004 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
1005 | },
1006 | { &hf_etw_descriptor_opcode,
1007 | { "Opcode", "etw.descriptor.opcode",
1008 | FT_UINT8, BASE_DEC, NULL((void*)0), 0,
1009 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
1010 | },
1011 | { &hf_etw_descriptor_task,
1012 | { "Task", "etw.descriptor.task",
1013 | FT_UINT16, BASE_DEC, NULL((void*)0), 0,
1014 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
1015 | },
1016 | { &hf_etw_descriptor_keywords,
1017 | { "Keywords", "etw.descriptor.keywords",
1018 | FT_UINT64, BASE_HEX, NULL((void*)0), 0,
1019 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
1020 | },
1021 | { &hf_etw_processor_time,
1022 | { "Processor Time", "etw.processor_time",
1023 | FT_UINT64, BASE_DEC, NULL((void*)0), 0,
1024 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
1025 | },
1026 | { &hf_etw_activity_id,
1027 | { "Activity ID", "etw.activity_id",
1028 | FT_GUID, BASE_NONE, NULL((void*)0), 0,
1029 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
1030 | },
1031 | // Generated fields
1032 | { &hf_etw_type,
1033 | { "Event Type", "etw.type",
1034 | FT_STRING, BASE_NONE, NULL((void*)0), 0,
1035 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
1036 | },
1037 | { &hf_etw_message_formatted,
1038 | { "Message (formatted)", "etw.message_formatted",
1039 | FT_STRING, BASE_NONE, NULL((void*)0), 0,
1040 | NULL((void*)0), HFILL-1, 0, HF_REF_TYPE_NONE, -1, ((void*)0) }
1041 | },
1042 | };
1043 |
1044 | static int *ett[] = {
1045 | &ett_etw_header,
1046 | &ett_etw_data,
1047 | &ett_etw_descriptor,
1048 | &ett_etw_buffer_context,
1049 | &ett_etw_extended_data,
1050 | &ett_etw_property,
1051 | &ett_etw_edata,
1052 | &ett_etw_edata_data,
1053 | &ett_etw_edata_schematl_schema,
1054 | &ett_etw_schematl_flags,
1055 | &ett_etw_header_flags,
1056 | &ett_etw_event_property_types,
1057 | &ett_etw_tlvs,
1058 | &ett_etw_tlv,
1059 | };
1060 |
1061 | proto_etw = proto_register_protocol("Event Tracing for Windows", "ETW", "etw");
1062 | proto_register_field_array(proto_etw, hf, array_length(hf)(sizeof (hf) / sizeof (hf)[0]));
1063 | proto_register_subtree_array(ett, array_length(ett)(sizeof (ett) / sizeof (ett)[0]));
1064 |
1065 | etw_handle = register_dissector("etw", dissect_etw, proto_etw);
1066 | }
1067 |
1068 | void
1069 | proto_reg_handoff_etw(void)
1070 | {
1071 | dissector_add_uint("wtap_encap", WTAP_ENCAP_ETW212, etw_handle);
1072 |
1073 | mbim_dissector = find_dissector("mbim.control");
1074 | }
1075 |
1076 | /*
1077 | * Editor modelines - https://www.wireshark.org/tools/modelines.html
1078 | *
1079 | * Local variables:
1080 | * c-basic-offset: 4
1081 | * tab-width: 8
1082 | * indent-tabs-mode: nil
1083 | * End:
1084 | *
1085 | * vi: set shiftwidth=4 tabstop=8 expandtab:
1086 | * :indentSize=4:tabSize=8:noTabs=true:
1087 | */