Bug Summary

File:builds/wireshark/wireshark/build/epan/wslua/taps_wslua.c
Warning:line 19, column 2
Potential leak of memory pointed to by 'a'

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 taps_wslua.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-18/lib/clang/18 -isystem /usr/include/glib-2.0 -isystem /usr/lib/x86_64-linux-gnu/glib-2.0/include -isystem /usr/include/lua5.4 -isystem /builds/wireshark/wireshark/build/epan/wslua -isystem /builds/wireshark/wireshark/epan/wslua -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-18/lib/clang/18/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-truncation -Wno-format-nonliteral -Wno-pointer-sign -std=gnu11 -ferror-limit 19 -fvisibility=hidden -fwrapv -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 -dwarf-debug-flags /usr/lib/llvm-18/bin/clang -### --analyze -x c -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 -isystem /usr/include/glib-2.0 -isystem /usr/lib/x86_64-linux-gnu/glib-2.0/include -isystem /usr/include/lua5.4 -isystem /builds/wireshark/wireshark/build/epan/wslua -isystem /builds/wireshark/wireshark/epan/wslua -fvisibility=hidden -fexcess-precision=fast -fstrict-flex-arrays=3 -fstack-clash-protection -fcf-protection=full -D _GLIBCXX_ASSERTIONS -fstack-protector-strong -fno-delete-null-pointer-checks -fno-strict-overflow -fno-strict-aliasing -fexceptions -Wno-format-truncation -Wno-format-nonliteral -fdiagnostics-color=always -Wno-pointer-sign -fmacro-prefix-map=/builds/wireshark/wireshark/= -fmacro-prefix-map=/builds/wireshark/wireshark/build/= -fmacro-prefix-map=../= -std=gnu11 -fPIC /builds/wireshark/wireshark/build/epan/wslua/taps_wslua.c -o /builds/wireshark/wireshark/sbout/2024-12-03-100307-3935-1 -Xclang -analyzer-output=html -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /builds/wireshark/wireshark/sbout/2024-12-03-100307-3935-1 -x c /builds/wireshark/wireshark/build/epan/wslua/taps_wslua.c

/builds/wireshark/wireshark/build/epan/wslua/taps_wslua.c

→
1/* This file is autogenerated from ./taps by ./make-taps.py */
2/* DO NOT EDIT! */
3
4#include "config.h"
5
6#include "wslua.h"
7
8#include <wsutil/nstime.h>
9
10#include "../dissectors/packet-ip.h"
11static void wslua_ip_to_table(lua_State* L, const void* p) {
12 const ws_ip4* v;
13
14 v = (const ws_ip4*)p;
15 lua_newtable(L)lua_createtable(L, 0, 0);
16
17 lua_pushstring(L,"ip_dst");
18 { Address a = (Address)g_malloc(sizeof(address)); copy_address(a, &(v->ip_dst)); pushAddress(L,a); }
1
Memory is allocated
→
2
←
Calling 'copy_address'
→
15
←
Returning from 'copy_address'
→
19 lua_settable(L,-3);
16
←
Potential leak of memory pointed to by 'a'
20 lua_pushstring(L,"ip_id");
21 lua_pushinteger(L,(lua_Integer)v->ip_id);
22 lua_settable(L,-3);
23 lua_pushstring(L,"ip_len");
24 lua_pushinteger(L,(lua_Integer)v->ip_len);
25 lua_settable(L,-3);
26 lua_pushstring(L,"ip_off");
27 lua_pushinteger(L,(lua_Integer)v->ip_off);
28 lua_settable(L,-3);
29 lua_pushstring(L,"ip_proto");
30 lua_pushinteger(L,(lua_Integer)v->ip_proto);
31 lua_settable(L,-3);
32 lua_pushstring(L,"ip_src");
33 { Address a = (Address)g_malloc(sizeof(address)); copy_address(a, &(v->ip_src)); pushAddress(L,a); }
34 lua_settable(L,-3);
35 lua_pushstring(L,"ip_stream");
36 lua_pushinteger(L,(lua_Integer)v->ip_stream);
37 lua_settable(L,-3);
38 lua_pushstring(L,"ip_sum");
39 lua_pushinteger(L,(lua_Integer)v->ip_sum);
40 lua_settable(L,-3);
41 lua_pushstring(L,"ip_tos");
42 lua_pushinteger(L,(lua_Integer)v->ip_tos);
43 lua_settable(L,-3);
44 lua_pushstring(L,"ip_ttl");
45 lua_pushinteger(L,(lua_Integer)v->ip_ttl);
46 lua_settable(L,-3);
47 lua_pushstring(L,"ip_ver");
48 lua_pushinteger(L,(lua_Integer)v->ip_ver);
49 lua_settable(L,-3);
50}
51
52#include "../dissectors/packet-udp.h"
53static void wslua_udp_to_table(lua_State* L, const void* p) {
54 const e_udphdr* v;
55
56 v = (const e_udphdr*)p;
57 lua_newtable(L)lua_createtable(L, 0, 0);
58
59 lua_pushstring(L,"ip_dst");
60 { Address a = (Address)g_malloc(sizeof(address)); copy_address(a, &(v->ip_dst)); pushAddress(L,a); }
61 lua_settable(L,-3);
62 lua_pushstring(L,"ip_src");
63 { Address a = (Address)g_malloc(sizeof(address)); copy_address(a, &(v->ip_src)); pushAddress(L,a); }
64 lua_settable(L,-3);
65 lua_pushstring(L,"uh_dport");
66 lua_pushinteger(L,(lua_Integer)v->uh_dport);
67 lua_settable(L,-3);
68 lua_pushstring(L,"uh_sport");
69 lua_pushinteger(L,(lua_Integer)v->uh_sport);
70 lua_settable(L,-3);
71 lua_pushstring(L,"uh_stream");
72 lua_pushinteger(L,(lua_Integer)v->uh_stream);
73 lua_settable(L,-3);
74 lua_pushstring(L,"uh_sum");
75 lua_pushinteger(L,(lua_Integer)v->uh_sum);
76 lua_settable(L,-3);
77 lua_pushstring(L,"uh_sum_cov");
78 lua_pushinteger(L,(lua_Integer)v->uh_sum_cov);
79 lua_settable(L,-3);
80 lua_pushstring(L,"uh_ulen");
81 lua_pushinteger(L,(lua_Integer)v->uh_ulen);
82 lua_settable(L,-3);
83}
84
85#include "../dissectors/packet-http.h"
86static void wslua_http_to_table(lua_State* L, const void* p) {
87 const http_info_value_t* v;
88
89 v = (const http_info_value_t*)p;
90 lua_newtable(L)lua_createtable(L, 0, 0);
91
92 lua_pushstring(L,"framenum");
93 lua_pushinteger(L,(lua_Integer)v->framenum);
94 lua_settable(L,-3);
95 lua_pushstring(L,"full_uri");
96 lua_pushstring(L,(const char*)v->full_uri);
97 lua_settable(L,-3);
98 lua_pushstring(L,"http_host");
99 lua_pushstring(L,(const char*)v->http_host);
100 lua_settable(L,-3);
101 lua_pushstring(L,"location_base_uri");
102 lua_pushstring(L,(const char*)v->location_base_uri);
103 lua_settable(L,-3);
104 lua_pushstring(L,"location_target");
105 lua_pushstring(L,(const char*)v->location_target);
106 lua_settable(L,-3);
107 lua_pushstring(L,"referer_uri");
108 lua_pushstring(L,(const char*)v->referer_uri);
109 lua_settable(L,-3);
110 lua_pushstring(L,"request_method");
111 lua_pushstring(L,(const char*)v->request_method);
112 lua_settable(L,-3);
113 lua_pushstring(L,"request_uri");
114 lua_pushstring(L,(const char*)v->request_uri);
115 lua_settable(L,-3);
116 lua_pushstring(L,"response_code");
117 lua_pushinteger(L,(lua_Integer)v->response_code);
118 lua_settable(L,-3);
119}
120
121#include "../dissectors/packet-bacapp.h"
122static void wslua_bacapp_to_table(lua_State* L, const void* p) {
123 const bacapp_info_value_t* v;
124
125 v = (const bacapp_info_value_t*)p;
126 lua_newtable(L)lua_createtable(L, 0, 0);
127
128 lua_pushstring(L,"instance_ident");
129 lua_pushstring(L,(const char*)v->instance_ident);
130 lua_settable(L,-3);
131 lua_pushstring(L,"invoke_id");
132 lua_pushstring(L,(const char*)v->invoke_id);
133 lua_settable(L,-3);
134 lua_pushstring(L,"object_ident");
135 lua_pushstring(L,(const char*)v->object_ident);
136 lua_settable(L,-3);
137 lua_pushstring(L,"service_type");
138 lua_pushstring(L,(const char*)v->service_type);
139 lua_settable(L,-3);
140}
141
142#include "../dissectors/packet-h225.h"
143static void wslua_h225_to_table(lua_State* L, const void* p) {
144 const h225_packet_info* v;
145
146 v = (const h225_packet_info*)p;
147 lua_newtable(L)lua_createtable(L, 0, 0);
148
149 lua_pushstring(L,"cs_type");
150 lua_pushinteger(L,(lua_Integer)v->cs_type); /* h225_cs_type */
151 lua_settable(L,-3);
152 lua_pushstring(L,"delta_time");
153 lua_pushnumber(L,(lua_Number)nstime_to_sec(&(v->delta_time)));
154 lua_settable(L,-3);
155 lua_pushstring(L,"dialedDigits");
156 lua_pushstring(L,(const char*)v->dialedDigits);
157 lua_settable(L,-3);
158 lua_pushstring(L,"frame_label");
159 lua_pushstring(L,(const char*)v->frame_label);
160 lua_settable(L,-3);
161 lua_pushstring(L,"h245_address");
162 lua_pushinteger(L,(lua_Integer)v->h245_address);
163 lua_settable(L,-3);
164 lua_pushstring(L,"h245_port");
165 lua_pushinteger(L,(lua_Integer)v->h245_port);
166 lua_settable(L,-3);
167 lua_pushstring(L,"is_destinationInfo");
168 lua_pushboolean(L,(int)v->is_destinationInfo);
169 lua_settable(L,-3);
170 lua_pushstring(L,"is_duplicate");
171 lua_pushboolean(L,(int)v->is_duplicate);
172 lua_settable(L,-3);
173 lua_pushstring(L,"is_faststart");
174 lua_pushboolean(L,(int)v->is_faststart);
175 lua_settable(L,-3);
176 lua_pushstring(L,"is_h245");
177 lua_pushboolean(L,(int)v->is_h245);
178 lua_settable(L,-3);
179 lua_pushstring(L,"is_h245Tunneling");
180 lua_pushboolean(L,(int)v->is_h245Tunneling);
181 lua_settable(L,-3);
182 lua_pushstring(L,"msg_tag");
183 lua_pushinteger(L,(lua_Integer)v->msg_tag);
184 lua_settable(L,-3);
185 lua_pushstring(L,"msg_type");
186 lua_pushinteger(L,(lua_Integer)v->msg_type); /* h225_msg_type */
187 lua_settable(L,-3);
188 lua_pushstring(L,"reason");
189 lua_pushinteger(L,(lua_Integer)v->reason);
190 lua_settable(L,-3);
191 lua_pushstring(L,"requestSeqNum");
192 lua_pushinteger(L,(lua_Integer)v->requestSeqNum);
193 lua_settable(L,-3);
194 lua_pushstring(L,"request_available");
195 lua_pushboolean(L,(int)v->request_available);
196 lua_settable(L,-3);
197}
198
199#include "../dissectors/packet-actrace.h"
200static void wslua_actrace_to_table(lua_State* L, const void* p) {
201 const actrace_info_t* v;
202
203 v = (const actrace_info_t*)p;
204 lua_newtable(L)lua_createtable(L, 0, 0);
205
206 lua_pushstring(L,"cas_frame_label");
207 lua_pushstring(L,(const char*)v->cas_frame_label);
208 lua_settable(L,-3);
209 lua_pushstring(L,"direction");
210 lua_pushinteger(L,(lua_Integer)v->direction);
211 lua_settable(L,-3);
212 lua_pushstring(L,"trunk");
213 lua_pushinteger(L,(lua_Integer)v->trunk);
214 lua_settable(L,-3);
215 lua_pushstring(L,"type");
216 lua_pushinteger(L,(lua_Integer)v->type);
217 lua_settable(L,-3);
218}
219
220#include "../dissectors/packet-ansi_a.h"
221static void wslua_ansi_a_to_table(lua_State* L, const void* p) {
222 const ansi_a_tap_rec_t* v;
223
224 v = (const ansi_a_tap_rec_t*)p;
225 lua_newtable(L)lua_createtable(L, 0, 0);
226
227 lua_pushstring(L,"message_type");
228 lua_pushinteger(L,(lua_Integer)v->message_type);
229 lua_settable(L,-3);
230 lua_pushstring(L,"pdu_type");
231 lua_pushinteger(L,(lua_Integer)v->pdu_type);
232 lua_settable(L,-3);
233}
234
235#include "../dissectors/packet-ansi_map.h"
236static void wslua_ansi_map_to_table(lua_State* L, const void* p) {
237 const ansi_map_tap_rec_t* v;
238
239 v = (const ansi_map_tap_rec_t*)p;
240 lua_newtable(L)lua_createtable(L, 0, 0);
241
242 lua_pushstring(L,"message_type");
243 lua_pushinteger(L,(lua_Integer)v->message_type);
244 lua_settable(L,-3);
245 lua_pushstring(L,"size");
246 lua_pushinteger(L,(lua_Integer)v->size);
247 lua_settable(L,-3);
248}
249
250#include "../dissectors/packet-eth.h"
251static void wslua_eth_to_table(lua_State* L, const void* p) {
252 const eth_hdr* v;
253
254 v = (const eth_hdr*)p;
255 lua_newtable(L)lua_createtable(L, 0, 0);
256
257 lua_pushstring(L,"dst");
258 { Address a = (Address)g_malloc(sizeof(address)); copy_address(a, &(v->dst)); pushAddress(L,a); }
259 lua_settable(L,-3);
260 lua_pushstring(L,"src");
261 { Address a = (Address)g_malloc(sizeof(address)); copy_address(a, &(v->src)); pushAddress(L,a); }
262 lua_settable(L,-3);
263 lua_pushstring(L,"stream");
264 lua_pushinteger(L,(lua_Integer)v->stream);
265 lua_settable(L,-3);
266 lua_pushstring(L,"type");
267 lua_pushinteger(L,(lua_Integer)v->type);
268 lua_settable(L,-3);
269}
270
271#include "../dissectors/packet-ldap.h"
272static void wslua_ldap_to_table(lua_State* L, const void* p) {
273 const ldap_call_response_t* v;
274
275 v = (const ldap_call_response_t*)p;
276 lua_newtable(L)lua_createtable(L, 0, 0);
277
278 lua_pushstring(L,"is_request");
279 lua_pushboolean(L,(int)v->is_request);
280 lua_settable(L,-3);
281 lua_pushstring(L,"messageId");
282 lua_pushinteger(L,(lua_Integer)v->messageId);
283 lua_settable(L,-3);
284 lua_pushstring(L,"protocolOpTag");
285 lua_pushinteger(L,(lua_Integer)v->protocolOpTag);
286 lua_settable(L,-3);
287 lua_pushstring(L,"rep_frame");
288 lua_pushinteger(L,(lua_Integer)v->rep_frame);
289 lua_settable(L,-3);
290 lua_pushstring(L,"req_frame");
291 lua_pushinteger(L,(lua_Integer)v->req_frame);
292 lua_settable(L,-3);
293 lua_pushstring(L,"req_time");
294 lua_pushnumber(L,(lua_Number)nstime_to_sec(&(v->req_time)));
295 lua_settable(L,-3);
296}
297
298#include "../dissectors/packet-smb.h"
299static void wslua_smb_to_table(lua_State* L, const void* p) {
300 const smb_info_t* v;
301
302 v = (const smb_info_t*)p;
303 lua_newtable(L)lua_createtable(L, 0, 0);
304
305 lua_pushstring(L,"cmd");
306 lua_pushinteger(L,(lua_Integer)v->cmd);
307 lua_settable(L,-3);
308 lua_pushstring(L,"info_count");
309 lua_pushinteger(L,(lua_Integer)v->info_count);
310 lua_settable(L,-3);
311 lua_pushstring(L,"info_level");
312 lua_pushinteger(L,(lua_Integer)v->info_level);
313 lua_settable(L,-3);
314 lua_pushstring(L,"nt_status");
315 lua_pushinteger(L,(lua_Integer)v->nt_status);
316 lua_settable(L,-3);
317 lua_pushstring(L,"request");
318 lua_pushboolean(L,(int)v->request);
319 lua_settable(L,-3);
320 lua_pushstring(L,"unicode");
321 lua_pushboolean(L,(int)v->unicode);
322 lua_settable(L,-3);
323 lua_pushstring(L,"unidir");
324 lua_pushboolean(L,(int)v->unidir);
325 lua_settable(L,-3);
326}
327
328#include "../dissectors/packet-smb2.h"
329static void wslua_smb2_to_table(lua_State* L, const void* p) {
330 const smb2_info_t* v;
331
332 v = (const smb2_info_t*)p;
333 lua_newtable(L)lua_createtable(L, 0, 0);
334
335 lua_pushstring(L,"flags");
336 lua_pushinteger(L,(lua_Integer)v->flags);
337 lua_settable(L,-3);
338 lua_pushstring(L,"ioctl_function");
339 lua_pushinteger(L,(lua_Integer)v->ioctl_function);
340 lua_settable(L,-3);
341 lua_pushstring(L,"opcode");
342 lua_pushinteger(L,(lua_Integer)v->opcode);
343 lua_settable(L,-3);
344 lua_pushstring(L,"status");
345 lua_pushinteger(L,(lua_Integer)v->status);
346 lua_settable(L,-3);
347 lua_pushstring(L,"tid");
348 lua_pushinteger(L,(lua_Integer)v->tid);
349 lua_settable(L,-3);
350}
351
352#include "../dissectors/packet-tcp.h"
353static void wslua_tcp_to_table(lua_State* L, const void* p) {
354 const tcp_info_t* v;
355
356 v = (const tcp_info_t*)p;
357 lua_newtable(L)lua_createtable(L, 0, 0);
358
359 lua_pushstring(L,"ip_dst");
360 { Address a = (Address)g_malloc(sizeof(address)); copy_address(a, &(v->ip_dst)); pushAddress(L,a); }
361 lua_settable(L,-3);
362 lua_pushstring(L,"ip_src");
363 { Address a = (Address)g_malloc(sizeof(address)); copy_address(a, &(v->ip_src)); pushAddress(L,a); }
364 lua_settable(L,-3);
365 lua_pushstring(L,"num_sack_ranges");
366 lua_pushinteger(L,(lua_Integer)v->num_sack_ranges);
367 lua_settable(L,-3);
368 lua_pushstring(L,"th_ack");
369 lua_pushinteger(L,(lua_Integer)v->th_ack);
370 lua_settable(L,-3);
371 lua_pushstring(L,"th_dport");
372 lua_pushinteger(L,(lua_Integer)v->th_dport);
373 lua_settable(L,-3);
374 lua_pushstring(L,"th_flags");
375 lua_pushinteger(L,(lua_Integer)v->th_flags);
376 lua_settable(L,-3);
377 lua_pushstring(L,"th_have_seglen");
378 lua_pushboolean(L,(int)v->th_have_seglen);
379 lua_settable(L,-3);
380 lua_pushstring(L,"th_hlen");
381 lua_pushinteger(L,(lua_Integer)v->th_hlen);
382 lua_settable(L,-3);
383 lua_pushstring(L,"th_rawack");
384 lua_pushinteger(L,(lua_Integer)v->th_rawack);
385 lua_settable(L,-3);
386 lua_pushstring(L,"th_rawseq");
387 lua_pushinteger(L,(lua_Integer)v->th_rawseq);
388 lua_settable(L,-3);
389 lua_pushstring(L,"th_seglen");
390 lua_pushinteger(L,(lua_Integer)v->th_seglen);
391 lua_settable(L,-3);
392 lua_pushstring(L,"th_seq");
393 lua_pushinteger(L,(lua_Integer)v->th_seq);
394 lua_settable(L,-3);
395 lua_pushstring(L,"th_sport");
396 lua_pushinteger(L,(lua_Integer)v->th_sport);
397 lua_settable(L,-3);
398 lua_pushstring(L,"th_stream");
399 lua_pushinteger(L,(lua_Integer)v->th_stream);
400 lua_settable(L,-3);
401 lua_pushstring(L,"th_use_ace");
402 lua_pushboolean(L,(int)v->th_use_ace);
403 lua_settable(L,-3);
404 lua_pushstring(L,"th_win");
405 lua_pushinteger(L,(lua_Integer)v->th_win);
406 lua_settable(L,-3);
407}
408
409#include "../dissectors/packet-ieee80211.h"
410static void wslua_wlan_to_table(lua_State* L, const void* p) {
411 const wlan_hdr_t* v;
412
413 v = (const wlan_hdr_t*)p;
414 lua_newtable(L)lua_createtable(L, 0, 0);
415
416 lua_pushstring(L,"bssid");
417 { Address a = (Address)g_malloc(sizeof(address)); copy_address(a, &(v->bssid)); pushAddress(L,a); }
418 lua_settable(L,-3);
419 lua_pushstring(L,"dst");
420 { Address a = (Address)g_malloc(sizeof(address)); copy_address(a, &(v->dst)); pushAddress(L,a); }
421 lua_settable(L,-3);
422 lua_pushstring(L,"src");
423 { Address a = (Address)g_malloc(sizeof(address)); copy_address(a, &(v->src)); pushAddress(L,a); }
424 lua_settable(L,-3);
425 lua_pushstring(L,"type");
426 lua_pushinteger(L,(lua_Integer)v->type);
427 lua_settable(L,-3);
428}
429
430static tappable_t tappables[] = {
431 {"actrace", wslua_actrace_to_table },
432 {"ansi_a", wslua_ansi_a_to_table },
433 {"ansi_map", wslua_ansi_map_to_table },
434 {"bacapp", wslua_bacapp_to_table },
435 {"eth", wslua_eth_to_table },
436 {"h225", wslua_h225_to_table },
437 {"http", wslua_http_to_table },
438 {"ip", wslua_ip_to_table },
439 {"ldap", wslua_ldap_to_table },
440 {"smb", wslua_smb_to_table },
441 {"smb2", wslua_smb2_to_table },
442 {"tcp", wslua_tcp_to_table },
443 {"udp", wslua_udp_to_table },
444 {"wlan", wslua_wlan_to_table },
445 {"frame",NULL((void*)0)},
446 {NULL((void*)0),NULL((void*)0)}
447};
448
449int wslua_set_tap_enums(lua_State* L) {
450
451 /*
452 * h225_cs_type
453 */
454 lua_newtable(L)lua_createtable(L, 0, 0);
455 lua_pushinteger(L,(lua_Integer)H225_SETUP);
456 lua_setglobal(L,"H225_SETUP");
457 lua_pushinteger(L,(lua_Integer)H225_SETUP);
458 lua_pushstring(L,"H225_SETUP");
459 lua_settable(L,-3);
460 lua_pushinteger(L,(lua_Integer)H225_CALL_PROCEDING);
461 lua_setglobal(L,"H225_CALL_PROCEDING");
462 lua_pushinteger(L,(lua_Integer)H225_CALL_PROCEDING);
463 lua_pushstring(L,"H225_CALL_PROCEDING");
464 lua_settable(L,-3);
465 lua_pushinteger(L,(lua_Integer)H225_CONNECT);
466 lua_setglobal(L,"H225_CONNECT");
467 lua_pushinteger(L,(lua_Integer)H225_CONNECT);
468 lua_pushstring(L,"H225_CONNECT");
469 lua_settable(L,-3);
470 lua_pushinteger(L,(lua_Integer)H225_ALERTING);
471 lua_setglobal(L,"H225_ALERTING");
472 lua_pushinteger(L,(lua_Integer)H225_ALERTING);
473 lua_pushstring(L,"H225_ALERTING");
474 lua_settable(L,-3);
475 lua_pushinteger(L,(lua_Integer)H225_INFORMATION);
476 lua_setglobal(L,"H225_INFORMATION");
477 lua_pushinteger(L,(lua_Integer)H225_INFORMATION);
478 lua_pushstring(L,"H225_INFORMATION");
479 lua_settable(L,-3);
480 lua_pushinteger(L,(lua_Integer)H225_RELEASE_COMPLET);
481 lua_setglobal(L,"H225_RELEASE_COMPLET");
482 lua_pushinteger(L,(lua_Integer)H225_RELEASE_COMPLET);
483 lua_pushstring(L,"H225_RELEASE_COMPLET");
484 lua_settable(L,-3);
485 lua_pushinteger(L,(lua_Integer)H225_FACILITY);
486 lua_setglobal(L,"H225_FACILITY");
487 lua_pushinteger(L,(lua_Integer)H225_FACILITY);
488 lua_pushstring(L,"H225_FACILITY");
489 lua_settable(L,-3);
490 lua_pushinteger(L,(lua_Integer)H225_PROGRESS);
491 lua_setglobal(L,"H225_PROGRESS");
492 lua_pushinteger(L,(lua_Integer)H225_PROGRESS);
493 lua_pushstring(L,"H225_PROGRESS");
494 lua_settable(L,-3);
495 lua_pushinteger(L,(lua_Integer)H225_EMPTY);
496 lua_setglobal(L,"H225_EMPTY");
497 lua_pushinteger(L,(lua_Integer)H225_EMPTY);
498 lua_pushstring(L,"H225_EMPTY");
499 lua_settable(L,-3);
500 lua_pushinteger(L,(lua_Integer)H225_STATUS);
501 lua_setglobal(L,"H225_STATUS");
502 lua_pushinteger(L,(lua_Integer)H225_STATUS);
503 lua_pushstring(L,"H225_STATUS");
504 lua_settable(L,-3);
505 lua_pushinteger(L,(lua_Integer)H225_STATUS_INQUIRY);
506 lua_setglobal(L,"H225_STATUS_INQUIRY");
507 lua_pushinteger(L,(lua_Integer)H225_STATUS_INQUIRY);
508 lua_pushstring(L,"H225_STATUS_INQUIRY");
509 lua_settable(L,-3);
510 lua_pushinteger(L,(lua_Integer)H225_SETUP_ACK);
511 lua_setglobal(L,"H225_SETUP_ACK");
512 lua_pushinteger(L,(lua_Integer)H225_SETUP_ACK);
513 lua_pushstring(L,"H225_SETUP_ACK");
514 lua_settable(L,-3);
515 lua_pushinteger(L,(lua_Integer)H225_NOTIFY);
516 lua_setglobal(L,"H225_NOTIFY");
517 lua_pushinteger(L,(lua_Integer)H225_NOTIFY);
518 lua_pushstring(L,"H225_NOTIFY");
519 lua_settable(L,-3);
520 lua_pushinteger(L,(lua_Integer)H225_OTHER);
521 lua_setglobal(L,"H225_OTHER");
522 lua_pushinteger(L,(lua_Integer)H225_OTHER);
523 lua_pushstring(L,"H225_OTHER");
524 lua_settable(L,-3);
525 lua_setglobal(L,"h225_cs_type");
526
527 /*
528 * h225_msg_type
529 */
530 lua_newtable(L)lua_createtable(L, 0, 0);
531 lua_pushinteger(L,(lua_Integer)H225_RAS);
532 lua_setglobal(L,"H225_RAS");
533 lua_pushinteger(L,(lua_Integer)H225_RAS);
534 lua_pushstring(L,"H225_RAS");
535 lua_settable(L,-3);
536 lua_pushinteger(L,(lua_Integer)H225_CS);
537 lua_setglobal(L,"H225_CS");
538 lua_pushinteger(L,(lua_Integer)H225_CS);
539 lua_pushstring(L,"H225_CS");
540 lua_settable(L,-3);
541 lua_pushinteger(L,(lua_Integer)H225_OTHERS);
542 lua_setglobal(L,"H225_OTHERS");
543 lua_pushinteger(L,(lua_Integer)H225_OTHERS);
544 lua_pushstring(L,"H225_OTHERS");
545 lua_settable(L,-3);
546 lua_setglobal(L,"h225_msg_type");
547 return 0;
548}
549
550
551tap_extractor_t wslua_get_tap_extractor(const gchar* name) {
552 tappable_t* t;
553 for(t = tappables; t->name; t++ ) {
554 if (g_str_equal(t->name,name)(strcmp ((const char *) (t->name), (const char *) (name)) ==
0)) return t->extractor;
555 }
556
557 return NULL((void*)0);
558}
←

/builds/wireshark/wireshark/epan/address.h

1/** @file
2 * Definitions for structures storing addresses, and for the type of
3 * variables holding port-type values
4 *
5 * Wireshark - Network traffic analyzer
6 * By Gerald Combs <[email protected]>
7 * Copyright 1998 Gerald Combs
8 *
9 * SPDX-License-Identifier: GPL-2.0-or-later
10 */
11
12#ifndef __ADDRESS_H__
13#define __ADDRESS_H__
14
15#include <string.h> /* for memcmp */
16
17#include "tvbuff.h"
18#include <epan/wmem_scopes.h>
19#include <wsutil/ws_assert.h>
20#include <wsutil/inet_cidr.h>
21
22#ifdef __cplusplus
23extern "C" {
24#endif /* __cplusplus */
25
26/* Types of "global" addresses Wireshark knows about. */
27/* Address types can be added here if there are many dissectors that use them or just
28 * within a specific dissector.
29 * If an address type is added here, it must be "registered" within address_types.c
30 * For dissector address types, just use the address_type_dissector_register function
31 * from address_types.h
32 *
33 * AT_NUMERIC - a numeric address type can consist of a uint8_t, uint16_t, uint32_t or uint64_t
34 * value. If no correct length is provided, to avoid data bleed, a uint8_t is
35 * assumed. Only representation (aka conversion of value to string) is implemented for this type.
36 */
37typedef enum {
38 AT_NONE, /* no link-layer address */
39 AT_ETHER, /* MAC (Ethernet, 802.x, FDDI) address */
40 AT_IPv4, /* IPv4 */
41 AT_IPv6, /* IPv6 */
42 AT_IPX, /* IPX */
43 AT_FC, /* Fibre Channel */
44 AT_FCWWN, /* Fibre Channel WWN */
45 AT_STRINGZ, /* null-terminated string */
46 AT_EUI64, /* IEEE EUI-64 */
47 AT_IB, /* Infiniband GID/LID */
48 AT_AX25, /* AX.25 */
49 AT_VINES, /* Banyan Vines address */
50 AT_NUMERIC, /* Numeric address type. */
51 AT_MCTP, /* MCTP */
52
53 AT_END_OF_LIST /* Must be last in list */
54} address_type;
55
56typedef struct _address {
57 int type; /* type of address */
58 int len; /* length of address, in bytes */
59 const void *data; /* pointer to address data */
60
61 /* private */
62 void *priv;
63} address;
64
65#define ADDRESS_INIT(type, len, data){type, len, data, ((void*)0)} {type, len, data, NULL((void*)0)}
66#define ADDRESS_INIT_NONE{AT_NONE, 0, ((void*)0), ((void*)0)} ADDRESS_INIT(AT_NONE, 0, NULL){AT_NONE, 0, ((void*)0), ((void*)0)}
67
68static inline void
69clear_address(address *addr)
70{
71 addr->type = AT_NONE;
72 addr->len = 0;
73 addr->data = NULL((void*)0);
74 addr->priv = NULL((void*)0);
75}
76
77/** Initialize an address with the given values.
78 *
79 * @param addr [in,out] The address to initialize.
80 * @param addr_type [in] Address type.
81 * @param addr_len [in] The length in bytes of the address data. For example, 4 for
82 * AT_IPv4 or sizeof(ws_in6_addr) for AT_IPv6.
83 * @param addr_data [in] Pointer to the address data.
84 */
85static inline void
86set_address(address *addr, int addr_type, int addr_len, const void *addr_data) {
87 if (addr_len == 0) {
88 /* Zero length must mean no data */
89 ws_assert(addr_data == NULL)do { if ((1) && !(addr_data == ((void*)0))) ws_log_fatal_full
("", LOG_LEVEL_ERROR, "epan/address.h", 89, __func__, "assertion failed: %s"
, "addr_data == ((void*)0)"); } while (0);
90 } else {
91 /* Must not be AT_NONE - AT_NONE must have no data */
92 ws_assert(addr_type != AT_NONE)do { if ((1) && !(addr_type != AT_NONE)) ws_log_fatal_full
("", LOG_LEVEL_ERROR, "epan/address.h", 92, __func__, "assertion failed: %s"
, "addr_type != AT_NONE"); } while (0);
93 /* Make sure we *do* have data */
94 ws_assert(addr_data != NULL)do { if ((1) && !(addr_data != ((void*)0))) ws_log_fatal_full
("", LOG_LEVEL_ERROR, "epan/address.h", 94, __func__, "assertion failed: %s"
, "addr_data != ((void*)0)"); } while (0);
95 }
96 addr->type = addr_type;
97 addr->len = addr_len;
98 addr->data = addr_data;
99 addr->priv = NULL((void*)0);
100}
101
102static inline void
103set_address_ipv4(address *addr, const ipv4_addr_and_mask *ipv4) {
104 addr->type = AT_IPv4;
105 addr->len = 4;
106 uint32_t val = g_htonl(ipv4->addr)(((((guint32) ( (((guint32) (ipv4->addr) & (guint32) 0x000000ffU
) << 24) | (((guint32) (ipv4->addr) & (guint32) 0x0000ff00U
) << 8) | (((guint32) (ipv4->addr) & (guint32) 0x00ff0000U
) >> 8) | (((guint32) (ipv4->addr) & (guint32) 0xff000000U
) >> 24))))));
107 addr->priv = g_memdup2(&val, sizeof(val));
108 addr->data = addr->priv;
109}
110
111static inline void
112set_address_ipv6(address *addr, const ipv6_addr_and_prefix *ipv6) {
113 set_address(addr, AT_IPv6, sizeof(ws_in6_addr), &ipv6->addr);
114}
115
116/** Initialize an address from TVB data.
117 *
118 * Same as set_address but it takes a TVB and an offset. This is preferred
119 * over passing the return value of tvb_get_ptr() to set_address().
120 *
121 * This calls tvb_get_ptr() (including throwing any exceptions) before
122 * modifying the address.
123 *
124 * @param addr [in,out] The address to initialize.
125 * @param addr_type [in] Address type.
126 * @param tvb [in] Pointer to the TVB.
127 * @param offset [in] Offset within the TVB.
128 * @param addr_len [in] The length in bytes of the address data. For example, 4 for
129 * AT_IPv4 or sizeof(ws_in6_addr) for AT_IPv6.
130 */
131static inline void
132set_address_tvb(address *addr, int addr_type, int addr_len, tvbuff_t *tvb, int offset) {
133 const void *p;
134
135 if (addr_len != 0) {
136 /* Must not be AT_NONE - AT_NONE must have no data */
137 ws_assert(addr_type != AT_NONE)do { if ((1) && !(addr_type != AT_NONE)) ws_log_fatal_full
("", LOG_LEVEL_ERROR, "epan/address.h", 137, __func__, "assertion failed: %s"
, "addr_type != AT_NONE"); } while (0);
138 p = tvb_get_ptr(tvb, offset, addr_len);
139 } else
140 p = NULL((void*)0);
141 set_address(addr, addr_type, addr_len, p);
142}
143
144/** Initialize an address with the given values, allocating a new buffer
145 * for the address data using wmem-scoped memory.
146 *
147 * @param scope [in] The lifetime of the allocated memory, e.g., pinfo->pool
148 * @param addr [in,out] The address to initialize.
149 * @param addr_type [in] Address type.
150 * @param addr_len [in] The length in bytes of the address data. For example, 4 for
151 * AT_IPv4 or sizeof(ws_in6_addr) for AT_IPv6.
152 * @param addr_data [in] Pointer to the address data.
153 */
154static inline void
155alloc_address_wmem(wmem_allocator_t *scope, address *addr,
156 int addr_type, int addr_len, const void *addr_data) {
157 ws_assert(addr)do { if ((1) && !(addr)) ws_log_fatal_full("", LOG_LEVEL_ERROR
, "epan/address.h", 157, __func__, "assertion failed: %s", "addr"
); } while (0);
5
←
Assuming 'addr' is non-null
→
6
←
Taking false branch
→
7
←
Loop condition is false. Exiting loop
→
158 clear_address(addr);
159 addr->type = addr_type;
160 if (addr_len == 0) {
8
←
Assuming 'addr_len' is equal to 0
→
161 /* Zero length must mean no data */
162 ws_assert(addr_data == NULL)do { if ((1) && !(addr_data == ((void*)0))) ws_log_fatal_full
("", LOG_LEVEL_ERROR, "epan/address.h", 162, __func__, "assertion failed: %s"
, "addr_data == ((void*)0)"); } while (0);
9
←
Taking true branch
→
10
←
Assuming 'addr_data' is equal to null
→
11
←
Taking false branch
→
12
←
Loop condition is false. Exiting loop
→
163 /* Nothing to copy */
164 return;
165 }
166 /* Must not be AT_NONE - AT_NONE must have no data */
167 ws_assert(addr_type != AT_NONE)do { if ((1) && !(addr_type != AT_NONE)) ws_log_fatal_full
("", LOG_LEVEL_ERROR, "epan/address.h", 167, __func__, "assertion failed: %s"
, "addr_type != AT_NONE"); } while (0);
168 /* Make sure we *do* have data to copy */
169 ws_assert(addr_data != NULL)do { if ((1) && !(addr_data != ((void*)0))) ws_log_fatal_full
("", LOG_LEVEL_ERROR, "epan/address.h", 169, __func__, "assertion failed: %s"
, "addr_data != ((void*)0)"); } while (0);
170 addr->data = addr->priv = wmem_memdup(scope, addr_data, addr_len);
171 addr->len = addr_len;
172}
173
174/** Allocate an address from TVB data.
175 *
176 * Same as alloc_address_wmem but it takes a TVB and an offset.
177 *
178 * @param scope [in] The lifetime of the allocated memory, e.g., pinfo->pool
179 * @param addr [in,out] The address to initialize.
180 * @param addr_type [in] Address type.
181 * @param addr_len [in] The length in bytes of the address data. For example, 4 for
182 * AT_IPv4 or sizeof(ws_in6_addr) for AT_IPv6.
183 * @param tvb [in] Pointer to the TVB.
184 * @param offset [in] Offset within the TVB.
185 */
186static inline void
187alloc_address_tvb(wmem_allocator_t *scope, address *addr,
188 int addr_type, int addr_len, tvbuff_t *tvb, int offset) {
189 const void *p;
190
191 p = tvb_get_ptr(tvb, offset, addr_len);
192 alloc_address_wmem(scope, addr, addr_type, addr_len, p);
193}
194
195/** Compare two addresses.
196 *
197 * @param addr1 [in] The first address to compare.
198 * @param addr2 [in] The second address to compare.
199 * @return 0 if the addresses are equal,
200 * A positive number if addr1 > addr2 in some nondefined metric,
201 * A negative number if addr1 < addr2 in some nondefined metric.
202 */
203static inline int
204cmp_address(const address *addr1, const address *addr2) {
205 if (addr1->type > addr2->type) return 1;
206 if (addr1->type < addr2->type) return -1;
207 if (addr1->len > addr2->len) return 1;
208 if (addr1->len < addr2->len) return -1;
209 if (addr1->len == 0) {
210 /*
211 * memcmp(NULL, NULL, 0) is *not* guaranteed to work, so
212 * if both addresses are zero-length, don't compare them
213 * (there's nothing to compare, so they're equal).
214 */
215 return 0;
216 }
217 return memcmp(addr1->data, addr2->data, addr1->len);
218}
219
220/** Check two addresses for equality.
221 *
222 * Given two addresses, return "true" if they're equal, "false" otherwise.
223 * Addresses are equal only if they have the same type and length; if the
224 * length is zero, they are then equal, otherwise the data must be the
225 * same.
226 *
227 * @param addr1 [in] The first address to compare.
228 * @param addr2 [in] The second address to compare.
229 * @return true if the addresses are equal, false otherwise.
230 */
231static inline bool_Bool
232addresses_equal(const address *addr1, const address *addr2) {
233 /*
234 * memcmp(NULL, NULL, 0) is *not* guaranteed to work, so
235 * if both addresses are zero-length, don't compare them
236 * (there's nothing to compare, so they're equal).
237 */
238 if (addr1->type == addr2->type &&
239 addr1->len == addr2->len &&
240 (addr1->len == 0 ||
241 memcmp(addr1->data, addr2->data, addr1->len) == 0))
242 return true1;
243 return false0;
244}
245
246/** Check the data of two addresses for equality.
247 *
248 * Given two addresses, return "true" if they have the same length and,
249 * their data is equal, "false" otherwise.
250 * The address types are ignored. This can be used to compare custom
251 * address types defined with address_type_dissector_register.
252 *
253 * @param addr1 [in] The first address to compare.
254 * @param addr2 [in] The second address to compare.
255 * @return true if the addresses are equal, false otherwise.
256 */
257static inline bool_Bool
258addresses_data_equal(const address *addr1, const address *addr2) {
259 if ( addr1->len == addr2->len
260 && memcmp(addr1->data, addr2->data, addr1->len) == 0
261 ) return true1;
262 return false0;
263}
264
265/** Perform a shallow copy of the address (both addresses point to the same
266 * memory location).
267 *
268 * @param to [in,out] The destination address.
269 * @param from [in] The source address.
270 *
271 * \warning Make sure 'from' memory stays valid for the lifetime of this object.
272 * Also it's strongly recommended to use this function instead of copy-assign.
273 */
274static inline void
275copy_address_shallow(address *to, const address *from) {
276 set_address(to, from->type, from->len, from->data);
277}
278
279/** Copy an address, allocating a new buffer for the address data
280 * using wmem-scoped memory.
281 *
282 * @param scope [in] The lifetime of the allocated memory, e.g., pinfo->pool
283 * @param to [in,out] The destination address.
284 * @param from [in] The source address.
285 */
286static inline void
287copy_address_wmem(wmem_allocator_t *scope, address *to, const address *from) {
288 alloc_address_wmem(scope, to, from->type, from->len, from->data);
4
←
Calling 'alloc_address_wmem'
→
13
←
Returning from 'alloc_address_wmem'
→
289}
290
291/** Copy an address, allocating a new buffer for the address data.
292 *
293 * @param to [in,out] The destination address.
294 * @param from [in] The source address.
295 */
296static inline void
297copy_address(address *to, const address *from) {
298 copy_address_wmem(NULL((void*)0), to, from);
3
←
Calling 'copy_address_wmem'
→
14
←
Returning from 'copy_address_wmem'
→
299}
300
301/** Free an address allocated with wmem-scoped memory.
302 *
303 * @param scope [in] The lifetime of the allocated memory, e.g., pinfo->pool
304 * @param addr [in,out] The address whose data to free.
305 */
306static inline void
307free_address_wmem(wmem_allocator_t *scope, address *addr) {
308 /* Because many dissectors set 'type = AT_NONE' to mean clear we check for that */
309 if (addr->type != AT_NONE && addr->len > 0 && addr->priv != NULL((void*)0)) {
310 /* Make sure API use is correct */
311 /* if priv is not null then data == priv */
312 ws_assert(addr->data == addr->priv)do { if ((1) && !(addr->data == addr->priv)) ws_log_fatal_full
("", LOG_LEVEL_ERROR, "epan/address.h", 312, __func__, "assertion failed: %s"
, "addr->data == addr->priv"); } while (0);
313 wmem_free(scope, addr->priv);
314 }
315 clear_address(addr);
316}
317
318/** Free an address.
319 *
320 * @param addr [in,out] The address whose data to free.
321 */
322static inline void
323free_address(address *addr) {
324 free_address_wmem(NULL((void*)0), addr);
325}
326
327/** Hash an address into a hash value (which must already have been set).
328 *
329 * @param hash_val The existing hash value.
330 * @param addr The address to add.
331 * @return The new hash value.
332 */
333static inline unsigned
334add_address_to_hash(unsigned hash_val, const address *addr) {
335 const uint8_t *hash_data = (const uint8_t *)(addr)->data;
336 int idx;
337
338 for (idx = 0; idx < (addr)->len; idx++) {
339 hash_val += hash_data[idx];
340 hash_val += ( hash_val << 10 );
341 hash_val ^= ( hash_val >> 6 );
342 }
343 return hash_val;
344}
345
346/** Hash an address into a hash value (which must already have been set).
347 * 64-bit version of add_address_to_hash().
348 *
349 * @param hash_val The existing hash value.
350 * @param addr The address to add.
351 * @return The new hash value.
352 */
353static inline uint64_t
354add_address_to_hash64(uint64_t hash_val, const address *addr) {
355 const uint8_t *hash_data = (const uint8_t *)(addr)->data;
356 int idx;
357
358 for (idx = 0; idx < (addr)->len; idx++) {
359 hash_val += hash_data[idx];
360 hash_val += ( hash_val << 10 );
361 hash_val ^= ( hash_val >> 6 );
362 }
363 return hash_val;
364}
365
366WS_DLL_PUBLIC__attribute__ ((visibility ("default"))) extern unsigned address_to_bytes(const address *addr, uint8_t *buf, unsigned buf_len);
367
368/* Types of port numbers Wireshark knows about. */
369typedef enum {
370 PT_NONE, /* no port number */
371 PT_SCTP, /* SCTP */
372 PT_TCP, /* TCP */
373 PT_UDP, /* UDP */
374 PT_DCCP, /* DCCP */
375 PT_IPX, /* IPX sockets */
376 PT_DDP, /* DDP AppleTalk connection */
377 PT_IDP, /* XNS IDP sockets */
378 PT_USB, /* USB endpoint 0xffff means the host */
379 PT_I2C,
380 PT_IBQP, /* Infiniband QP number */
381 PT_BLUETOOTH,
382 PT_IWARP_MPA, /* iWarp MPA */
383 PT_MCTP
384} port_type;
385
386#ifdef __cplusplus
387}
388#endif /* __cplusplus */
389
390#endif /* __ADDRESS_H__ */
391
392/*
393 * Editor modelines - https://www.wireshark.org/tools/modelines.html
394 *
395 * Local variables:
396 * c-basic-offset: 4
397 * tab-width: 8
398 * indent-tabs-mode: nil
399 * End:
400 *
401 * vi: set shiftwidth=4 tabstop=8 expandtab:
402 * :indentSize=4:tabSize=8:noTabs=true:
403 */