Go to the documentation of this file.
92 #define DETECT_ENGINE_DEFAULT_INSPECTION_RECURSION_LIMIT 3000
99 static uint32_t TenantIdHash(
HashTable *h,
void *
data, uint16_t data_len);
100 static char TenantIdCompare(
void *d1, uint16_t d1_len,
void *d2, uint16_t d2_len);
101 static void TenantIdFree(
void *d);
102 static uint32_t DetectEngineTenantGetIdFromLivedev(
const void *
ctx,
const Packet *p);
103 static uint32_t DetectEngineTenantGetIdFromVlanId(
const void *
ctx,
const Packet *p);
104 static uint32_t DetectEngineTenantGetIdFromPcap(
const void *
ctx,
const Packet *p);
135 FatalError(
"failed to register inspect engine %s", name);
147 FatalError(
"failed to register inspect engine %s: %s", name, strerror(errno));
149 new_engine->
sm_list = (uint16_t)sm_list;
154 if (g_pkt_inspect_engines == NULL) {
155 g_pkt_inspect_engines = new_engine;
158 while (t->
next != NULL) {
162 t->
next = new_engine;
169 static void AppLayerInspectEngineRegisterInternal(
const char *name,
AppProto alproto, uint32_t dir,
178 FatalError(
"failed to register inspect engine %s", name);
184 (progress < 0 || progress >= SHRT_MAX) || (Callback == NULL)) {
188 SCLogError(
"Invalid arguments: must register "
189 "GetData with DetectEngineInspectBufferGeneric");
192 SCLogError(
"Invalid arguments: must register "
193 "GetData with DetectEngineInspectMultiBufferGeneric");
205 AppLayerInspectEngineRegisterInternal(
206 name,
ALPROTO_DOH2, dir, progress, Callback, GetData, GetMultiData);
215 new_engine->
dir = direction;
216 new_engine->
sm_list = (uint16_t)sm_list;
218 new_engine->
progress = (int16_t)progress;
226 if (g_app_inspect_engines == NULL) {
227 g_app_inspect_engines = new_engine;
230 while (t->
next != NULL) {
234 t->
next = new_engine;
241 AppLayerInspectEngineRegisterInternal(name, alproto, dir, progress, Callback, GetData, NULL);
245 static void DetectAppLayerInspectEngineCopy(
247 int sm_list,
int new_list,
260 new_engine->
sm_list = (uint16_t)new_list;
264 new_engine->
v2 = t->
v2;
271 while (list->
next != NULL) {
275 list->
next = new_engine;
297 new_engine->
v2 = t->
v2;
302 list->
next = new_engine;
311 static void DetectPktInspectEngineCopy(
313 int sm_list,
int new_list,
324 new_engine->
sm_list = (uint16_t)new_list;
327 new_engine->
v1 = t->
v1;
334 while (list->
next != NULL) {
338 list->
next = new_engine;
357 new_engine->
v1 = t->
v1;
363 while (list->
next != NULL) {
367 list->
next = new_engine;
382 FatalError(
"failed to register inspect engine %s", name);
399 FatalError(
"failed to register inspect engine %s: %s", name, strerror(errno));
401 new_engine->
sm_list = (uint16_t)sm_list;
403 new_engine->
dir = direction;
412 while (list->
next != NULL) {
416 list->
next = new_engine;
435 new_engine->
sm_list = (uint16_t)new_list;
441 new_engine->
v1 = t->
v1;
446 while (list->
next != NULL) {
450 list->
next = new_engine;
472 new_engine->
v1 = t->
v1;
478 while (list->
next != NULL) {
482 list->
next = new_engine;
494 static void AppendStreamInspectEngine(
497 bool prepend =
false;
506 new_engine->
mpm =
true;
509 new_engine->
dir = direction;
510 new_engine->
stream =
true;
513 new_engine->
smd = stream;
521 }
else if (prepend) {
528 while (a->
next != NULL) {
532 a->
next = new_engine;
535 SCLogDebug(
"sid %u: engine %p/%u added", s->
id, new_engine, new_engine->
id);
542 bool prepend =
false;
565 new_engine->
mpm =
true;
571 new_engine->
smd = smd;
572 new_engine->
v1 = u->
v1;
578 }
else if (prepend) {
583 while (a->
next != NULL) {
587 a->
next = new_engine;
595 bool prepend =
false;
605 new_engine->
mpm =
true;
610 new_engine->
smd = smd;
611 new_engine->
v1 = e->
v1;
617 }
else if (prepend) {
622 while (a->
next != NULL) {
626 a->
next = new_engine;
632 const int mpm_list,
const int files_id, uint8_t *last_id,
bool *head_is_mpm)
646 SCLogDebug(
"app engine: t %p t->id %u => alproto:%s files:%s", t, t->
id,
654 bool prepend =
false;
659 new_engine->
mpm =
true;
666 new_engine->
smd = smd;
668 new_engine->
v2 = t->
v2;
674 if (new_engine->
sm_list == files_id) {
676 SCLogDebug(
"sid %u: engine %p/%u is FILE ENGINE", s->
id, new_engine, new_engine->
id);
679 SCLogDebug(
"sid %u: engine %p/%u %s", s->
id, new_engine, new_engine->
id,
687 if (new_engine->
sm_list == files_id) {
689 SCLogDebug(
"sid %u: engine %p/%u is FILE ENGINE", s->
id, new_engine, new_engine->
id);
691 new_engine->
id = ++(*last_id);
692 SCLogDebug(
"sid %u: engine %p/%u %s", s->
id, new_engine, new_engine->
id,
698 while (a->
next != NULL) {
706 a->
next = new_engine;
707 if (new_engine->
sm_list == files_id) {
709 SCLogDebug(
"sid %u: engine %p/%u is FILE ENGINE", s->
id, new_engine, new_engine->
id);
711 new_engine->
id = ++(*last_id);
712 SCLogDebug(
"sid %u: engine %p/%u %s", s->
id, new_engine, new_engine->
id,
717 SCLogDebug(
"sid %u: engine %p/%u added", s->
id, new_engine, new_engine->
id);
730 bool head_is_mpm =
false;
744 u != NULL; u = u->
next) {
746 AppendFrameInspectEngine(
de_ctx, u, s, smd, mpm_list);
755 AppendPacketInspectEngine(
de_ctx, e, s, smd, mpm_list);
764 AppendAppInspectEngine(
765 de_ctx, t, s, smd, mpm_list, files_id, &last_id, &head_is_mpm);
778 AppendStreamInspectEngine(s, stream, 0, last_id + 1);
780 AppendStreamInspectEngine(s, stream, 1, last_id + 1);
782 AppendStreamInspectEngine(s, stream, 0, last_id + 1);
783 AppendStreamInspectEngine(s, stream, 1, last_id + 1);
797 iter->
sm_list == mpm_list ?
"MPM" :
"");
848 for (
int i = 0; i < arrays; i++) {
849 if (bufs[i] == ie->
smd) {
855 bufs[arrays++] = ie->
smd;
865 for (
int i = 0; i < arrays; i++) {
866 if (bufs[i] == e->
smd) {
872 bufs[arrays++] = e->
smd;
882 for (
int i = 0; i < arrays; i++) {
883 if (bufs[i] == u->
smd) {
889 bufs[arrays++] = u->
smd;
895 for (
int i = 0; i < engines; i++) {
917 static int g_buffer_type_reg_closed = 0;
921 return g_buffer_type_id;
924 static uint32_t DetectBufferTypeHashNameFunc(
HashListTable *ht,
void *data, uint16_t datalen)
933 static uint32_t DetectBufferTypeHashIdFunc(
HashListTable *ht,
void *data, uint16_t datalen)
936 uint32_t hash = map->
id;
941 static char DetectBufferTypeCompareNameFunc(
void *data1, uint16_t len1,
void *data2, uint16_t len2)
946 char r = (strcmp(map1->
name, map2->
name) == 0);
951 static char DetectBufferTypeCompareIdFunc(
void *data1, uint16_t len1,
void *data2, uint16_t len2)
955 return map1->
id == map2->
id;
958 static void DetectBufferTypeFreeFunc(
void *data)
971 SCLogError(
"%s allocates transform option memory but has no free routine",
981 static int DetectBufferTypeInit(
void)
983 BUG_ON(g_buffer_type_hash);
985 DetectBufferTypeCompareNameFunc, DetectBufferTypeFreeFunc);
986 if (g_buffer_type_hash == NULL)
992 static void DetectBufferTypeFree(
void)
994 if (g_buffer_type_hash == NULL)
998 g_buffer_type_hash = NULL;
1001 static int DetectBufferTypeAdd(
const char *
string)
1003 BUG_ON(
string == NULL || strlen(
string) >= 32);
1010 map->
id = g_buffer_type_id++;
1020 memset(&map, 0,
sizeof(map));
1029 BUG_ON(g_buffer_type_reg_closed);
1030 if (g_buffer_type_hash == NULL)
1031 DetectBufferTypeInit();
1035 return DetectBufferTypeAdd(name);
1043 BUG_ON(g_buffer_type_reg_closed);
1048 SCLogDebug(
"%p %s -- %d supports multi instance", exists, name, exists->
id);
1053 BUG_ON(g_buffer_type_reg_closed);
1057 exists->
frame =
true;
1058 SCLogDebug(
"%p %s -- %d supports frame inspection", exists, name, exists->
id);
1063 BUG_ON(g_buffer_type_reg_closed);
1068 SCLogDebug(
"%p %s -- %d supports packet inspection", exists, name, exists->
id);
1073 BUG_ON(g_buffer_type_reg_closed);
1078 SCLogDebug(
"%p %s -- %d supports mpm", exists, name, exists->
id);
1083 BUG_ON(g_buffer_type_reg_closed);
1088 SCLogDebug(
"%p %s -- %d supports transformations", exists, name, exists->
id);
1104 memset(&map, 0,
sizeof(map));
1114 memset(&lookup, 0,
sizeof(lookup));
1124 return res ? res->
name : NULL;
1129 BUG_ON(
string == NULL || strlen(
string) >= 32);
1145 const int direction,
const AppProto alproto,
const uint8_t frame_type)
1152 const int buffer_id = DetectEngineBufferTypeAdd(
de_ctx, name);
1153 if (buffer_id < 0) {
1182 return DetectEngineBufferTypeAdd(
de_ctx, name);
1190 BUG_ON(desc == NULL || strlen(desc) >= 128);
1221 exists->
frame =
true;
1222 SCLogDebug(
"%p %s -- %d supports frame inspection", exists, name, exists->
id);
1230 SCLogDebug(
"%p %s -- %d supports packet inspection", exists, name, exists->
id);
1238 SCLogDebug(
"%p %s -- %d supports mpm", exists, name, exists->
id);
1246 SCLogDebug(
"%p %s -- %d supports transformations", exists, name, exists->
id);
1288 BUG_ON(g_buffer_type_reg_closed);
1304 bool (*ValidateCallback)(
const Signature *,
const char **sigerror))
1306 BUG_ON(g_buffer_type_reg_closed);
1359 SCLogError(
"Rule buffer cannot be reset after base64_data.");
1364 SCLogError(
"no matches following transform(s)");
1372 SCLogError(
"previous sticky buffer has no matches");
1382 if ((uint32_t)list == b->
id) {
1383 SCLogDebug(
"found buffer %p for list %d", b, list);
1386 SCLogDebug(
"sm_init was true for %p list %d", b, list);
1405 SCLogError(
"failed to expand rule buffer array");
1429 SCLogError(
"previous transforms not consumed "
1430 "(list: %u, transform_cnt %u)",
1435 SCLogDebug(
"buffer %d has transform(s) registered: %d",
1439 if (new_list == -1) {
1451 SCLogError(
"failed to expand rule buffer array");
1464 SCLogDebug(
"new list after applying transforms: %u", new_list);
1487 for (uint32_t x = 0; x <= mbuffer->
max; x++) {
1507 if (!buffer->
init) {
1528 if (local_id >= fb->
size) {
1529 uint32_t old_size = fb->
size;
1530 uint32_t new_size = local_id + 1;
1531 uint32_t grow_by = new_size - old_size;
1532 SCLogDebug(
"size is %u, need %u, so growing by %u", old_size, new_size, grow_by);
1540 SCLogDebug(
"ptr %p to_zero %p", ptr, to_zero);
1543 fb->
size = new_size;
1549 #ifdef DEBUG_VALIDATION
1550 buffer->multi =
true;
1557 memset(buffer, 0,
sizeof(*buffer));
1558 buffer->
buf =
SCCalloc(initial_size,
sizeof(uint8_t));
1559 if (buffer->
buf != NULL) {
1560 buffer->
size = initial_size;
1567 #ifdef DEBUG_VALIDATION
1579 const uint8_t *data,
const uint32_t data_len)
1581 #ifdef DEBUG_VALIDATION
1596 #ifdef DEBUG_VALIDATION
1600 if (buffer->
inspect == NULL) {
1602 if (det_ctx && list_id != -1)
1614 if (buffer->
buf != NULL) {
1617 memset(buffer, 0,
sizeof(*buffer));
1629 uint32_t new_size = (buffer->
size == 0) ? 4096 : buffer->
size;
1630 while (new_size < min_size) {
1637 buffer->
size = new_size;
1646 uint32_t copy_size =
MIN(buf_len, buffer->
size);
1647 memcpy(buffer->
buf, buf, copy_size);
1673 const uint8_t *content, uint16_t content_len,
const char **namestr)
1714 const int size = g_buffer_type_id;
1718 DetectBufferTypeCompareNameFunc, DetectBufferTypeFreeFunc);
1721 HashListTableInit(256, DetectBufferTypeHashIdFunc, DetectBufferTypeCompareIdFunc,
1733 memcpy(copy, map,
sizeof(*copy));
1739 SCLogDebug(
"name %s id %d mpm %s packet %s -- %s. "
1740 "Callbacks: Setup %p Validate %p",
1741 map->
name, map->
id, map->
mpm ?
"true" :
"false", map->
packet ?
"true" :
"false",
1748 DetectAppLayerInspectEngineCopyListToDetectCtx(
de_ctx);
1750 DetectFrameInspectEngineCopyListToDetectCtx(
de_ctx);
1752 DetectPktInspectEngineCopyListToDetectCtx(
de_ctx);
1794 while (framemlist) {
1805 BUG_ON(g_buffer_type_hash == NULL);
1807 g_buffer_type_reg_closed = 1;
1818 SCLogError(
"buffer '%s' does not support transformations", base_map->
name);
1825 memset(&t, 0,
sizeof(t));
1826 for (
int i = 0; i < transform_cnt; i++) {
1829 t.
cnt = transform_cnt;
1832 memset(&lookup_map, 0,
sizeof(lookup_map));
1850 map->
mpm = base_map->
mpm;
1857 }
else if (map->
packet) {
1867 SCLogDebug(
"buffer %s registered with id %d, parent %d", map->name, map->id, map->parent_id);
1870 DetectFrameInspectEngineCopy(
de_ctx, map->parent_id, map->id, &map->transforms);
1871 }
else if (map->packet) {
1872 DetectPktInspectEngineCopy(
de_ctx, map->parent_id, map->id, &map->transforms);
1874 DetectAppLayerInspectEngineCopy(
de_ctx, map->parent_id, map->id, &map->transforms);
1880 static int DetectEngineInspectRulePacketMatches(
1884 Packet *p, uint8_t *_alert_flags)
1892 SCLogDebug(
"running match functions, sm %p", smd);
1910 static int DetectEngineInspectRulePayloadMatches(
1932 SCLogDebug(
"no match in stream, fall back to packet payload");
1940 SCLogDebug(
"SIG_FLAG_REQUIRE_STREAM_ONLY, so no match");
1958 uint8_t *alert_flags)
1964 SCLogDebug(
"sid %u: e %p Callback returned no match", s->
id, e);
1967 SCLogDebug(
"sid %u: e %p Callback returned true", s->
id, e);
1986 e->
sm_list = (uint16_t)list_id;
1995 while (a->
next != NULL) {
2007 if (DetectEnginePktInspectionAppend(
2010 SCLogDebug(
"sid %u: DetectEngineInspectRulePayloadMatches appended", s->
id);
2014 if (DetectEnginePktInspectionAppend(
2017 SCLogDebug(
"sid %u: DetectEngineInspectRulePacketMatches appended", s->
id);
2099 uint8_t
flags,
void *alstate,
void *txv, uint64_t tx_id)
2102 SCLogDebug(
"running match functions, sm %p", smd);
2108 AppLayerTxMatch(det_ctx, f,
flags, alstate, txv, s, smd->
ctx);
2142 void *alstate,
void *txv, uint64_t tx_id)
2144 const int list_id = engine->
sm_list;
2145 SCLogDebug(
"running inspect on %d", list_id);
2159 f,
flags, txv, list_id);
2166 const uint8_t *data = buffer->
inspect;
2171 ci_flags |= buffer->
flags;
2190 AppLayerInspectEngineRegisterInternal(
2193 alproto, tx_min_progress);
2198 const Signature *s,
Flow *f, uint8_t
flags,
void *alstate,
void *txv, uint64_t tx_id)
2200 uint32_t local_id = 0;
2208 det_ctx, transforms, f,
flags, txv, engine->
sm_list, local_id);
2210 if (buffer == NULL || buffer->
inspect == NULL)
2241 const int list_id = engine->
sm_list;
2242 SCLogDebug(
"running inspect on %d", list_id);
2260 ci_flags |= buffer->
flags;
2278 static void InjectPackets(
ThreadVars **detect_tvs,
2280 int no_of_detect_tvs)
2284 for (
int i = 0; i < no_of_detect_tvs; i++) {
2285 if (
SC_ATOMIC_GET(new_det_ctx[i]->so_far_used_by_detect) != 1) {
2286 if (detect_tvs[i]->inq != NULL) {
2323 if (no_of_detect_tvs == 0) {
2333 memset(detect_tvs, 0x00, (no_of_detect_tvs *
sizeof(
ThreadVars *)));
2358 if (new_det_ctx[i] == NULL) {
2360 "failure in live rule swap. Let's get out of here");
2364 SCLogDebug(
"live rule swap created new det_ctx - %p and de_ctx "
2365 "- %p\n", new_det_ctx[i], new_de_ctx);
2370 BUG_ON(i != no_of_detect_tvs);
2383 SCLogDebug(
"swapping new det_ctx - %p with older one - %p",
2394 SCLogDebug(
"Live rule swap has swapped %d old det_ctx's with new ones, "
2395 "along with the new de_ctx", no_of_detect_tvs);
2397 InjectPackets(detect_tvs, new_det_ctx, no_of_detect_tvs);
2401 uint32_t threads_done = 0;
2403 for (i = 0; i < no_of_detect_tvs; i++) {
2405 threads_done = no_of_detect_tvs;
2409 if (
SC_ATOMIC_GET(new_det_ctx[i]->so_far_used_by_detect) == 1) {
2410 SCLogDebug(
"new_det_ctx - %p used by detect engine", new_det_ctx[i]);
2413 TmThreadsCaptureBreakLoop(detect_tvs[i]);
2416 if (threads_done < no_of_detect_tvs) {
2427 if (i != no_of_detect_tvs) {
2440 for (i = 0; i < no_of_detect_tvs; i++) {
2441 SCLogDebug(
"Freeing old_det_ctx - %p used by detect",
2451 for (i = 0; i < no_of_detect_tvs; i++) {
2452 if (new_det_ctx[i] != NULL)
2478 if (prefix != NULL) {
2482 int failure_fatal = 0;
2483 if (
ConfGetBool(
"engine.init-failure-fatal", (
int *)&failure_fatal) != 1) {
2484 SCLogDebug(
"ConfGetBool could not load the value.");
2496 SCLogDebug(
"Unable to alloc SpmGlobalThreadCtx.");
2508 if (DetectEngineCtxLoadConf(
de_ctx) == -1) {
2517 DetectBufferTypeSetupDetectEngine(
de_ctx);
2565 if (prefix == NULL || strlen(prefix) == 0)
2603 #ifdef PROFILE_RULES
2604 if (
de_ctx->profile_ctx != NULL) {
2606 de_ctx->profile_ctx = NULL;
2646 DetectEngineCtxFreeThreadKeywordData(
de_ctx);
2648 DetectEngineCtxFreeFailedSigs(
de_ctx);
2668 DetectBufferTypeFreeDetectEngine(
de_ctx);
2694 const char *max_uniq_toclient_groups_str = NULL;
2695 const char *max_uniq_toserver_groups_str = NULL;
2696 const char *sgh_mpm_context = NULL;
2697 const char *de_ctx_profile = NULL;
2699 (void)
ConfGet(
"detect.profile", &de_ctx_profile);
2700 (void)
ConfGet(
"detect.sgh-mpm-context", &sgh_mpm_context);
2705 if (de_ctx_custom != NULL) {
2707 if (de_ctx_profile == NULL) {
2708 if (opt->
val && strcmp(opt->
val,
"profile") == 0) {
2709 de_ctx_profile = opt->head.tqh_first->
val;
2713 if (sgh_mpm_context == NULL) {
2714 if (opt->
val && strcmp(opt->
val,
"sgh-mpm-context") == 0) {
2715 sgh_mpm_context = opt->head.tqh_first->
val;
2721 if (de_ctx_profile != NULL) {
2722 if (strcmp(de_ctx_profile,
"low") == 0 ||
2723 strcmp(de_ctx_profile,
"lowest") == 0) {
2725 }
else if (strcmp(de_ctx_profile,
"medium") == 0) {
2727 }
else if (strcmp(de_ctx_profile,
"high") == 0 ||
2728 strcmp(de_ctx_profile,
"highest") == 0) {
2730 }
else if (strcmp(de_ctx_profile,
"custom") == 0) {
2733 SCLogError(
"invalid value for detect.profile: '%s'. "
2734 "Valid options: low, medium, high and custom.",
2739 SCLogDebug(
"Profile for detection engine groups is \"%s\"", de_ctx_profile);
2741 SCLogDebug(
"Profile for detection engine groups not provided "
2742 "at suricata.yaml. Using default (\"medium\").");
2746 if (sgh_mpm_context == NULL || strcmp(sgh_mpm_context,
"auto") == 0) {
2756 if (strcmp(sgh_mpm_context,
"single") == 0) {
2758 }
else if (strcmp(sgh_mpm_context,
"full") == 0) {
2762 "invalid conf value for detect-engine.sgh-mpm-context-"
2787 (void)
ConfGet(
"detect.custom-values.toclient-groups",
2788 &max_uniq_toclient_groups_str);
2789 (void)
ConfGet(
"detect.custom-values.toserver-groups",
2790 &max_uniq_toserver_groups_str);
2792 if (de_ctx_custom != NULL) {
2794 if (opt->
val && strcmp(opt->
val,
"custom-values") == 0) {
2795 if (max_uniq_toclient_groups_str == NULL) {
2797 (opt->head.tqh_first,
"toclient-sp-groups");
2799 if (max_uniq_toclient_groups_str == NULL) {
2801 (opt->head.tqh_first,
"toclient-groups");
2803 if (max_uniq_toserver_groups_str == NULL) {
2805 (opt->head.tqh_first,
"toserver-dp-groups");
2807 if (max_uniq_toserver_groups_str == NULL) {
2809 (opt->head.tqh_first,
"toserver-groups");
2814 if (max_uniq_toclient_groups_str != NULL) {
2816 (uint16_t)strlen(max_uniq_toclient_groups_str),
2817 (
const char *)max_uniq_toclient_groups_str) <= 0) {
2821 "toclient-groups failed, using %u",
2829 if (max_uniq_toserver_groups_str != NULL) {
2831 (uint16_t)strlen(max_uniq_toserver_groups_str),
2832 (
const char *)max_uniq_toserver_groups_str) <= 0) {
2836 "toserver-groups failed, using %u",
2855 if (
ConfGetInt(
"detect.inspection-recursion-limit", &value) == 1)
2857 if (value >= 0 && value <= INT_MAX) {
2863 ConfNode *insp_recursion_limit_node = NULL;
2864 char *insp_recursion_limit = NULL;
2866 if (de_ctx_custom != NULL) {
2869 if (opt->
val && strcmp(opt->
val,
"inspection-recursion-limit") != 0)
2873 if (insp_recursion_limit_node == NULL) {
2875 "entry for detect-engine:inspection-recursion-limit");
2878 insp_recursion_limit = insp_recursion_limit_node->
val;
2879 SCLogDebug(
"Found detect-engine.inspection-recursion-limit - %s:%s",
2880 insp_recursion_limit_node->
name, insp_recursion_limit_node->
val);
2884 if (insp_recursion_limit != NULL) {
2886 0, (
const char *)insp_recursion_limit) < 0) {
2888 "detect-engine.inspection-recursion-limit: %s "
2904 SCLogDebug(
"de_ctx->inspection_recursion_limit: %d",
2909 const char *ports = NULL;
2910 (void)
ConfGet(
"detect.grouping.tcp-whitelist", &ports);
2914 ports =
"53, 80, 139, 443, 445, 1433, 3306, 3389, 6666, 6667, 8080";
2915 SCLogConfig(
"grouping: tcp-whitelist (default) %s", ports);
2920 "for detect.grouping.tcp-whitelist",
2924 for ( ; x != NULL; x = x->
next) {
2927 "for detect.grouping.tcp-whitelist: only single ports allowed",
2936 (void)
ConfGet(
"detect.grouping.udp-whitelist", &ports);
2940 ports =
"53, 135, 5060";
2941 SCLogConfig(
"grouping: udp-whitelist (default) %s", ports);
2946 "for detect.grouping.udp-whitelist",
2952 "for detect.grouping.udp-whitelist: only single ports allowed",
2961 const char *pf_setting = NULL;
2962 if (
ConfGet(
"detect.prefilter.default", &pf_setting) == 1 && pf_setting) {
2963 if (strcasecmp(pf_setting,
"mpm") == 0) {
2965 }
else if (strcasecmp(pf_setting,
"auto") == 0) {
2974 SCLogConfig(
"prefilter engines: MPM and keywords");
3003 SCLogError(
"setting up thread local detect ctx");
3012 SCLogError(
"setting up thread local detect ctx "
3013 "for keyword \"%s\" failed",
3051 SCLogError(
"setting up thread local detect ctx");
3063 SCLogError(
"setting up thread local detect ctx "
3064 "for keyword \"%s\" failed",
3094 uint32_t map_array_size = 0;
3095 uint32_t map_cnt = 0;
3096 uint32_t max_tenant_id = 0;
3102 "set using multi-detect.selector");
3115 mt_det_ctxs_hash =
HashTableInit(tcnt * 2, TenantIdHash, TenantIdCompare, TenantIdFree);
3116 if (mt_det_ctxs_hash == NULL) {
3121 SCLogInfo(
"no tenants left, or none registered yet");
3132 map_array_size = map_cnt + 1;
3134 map_array =
SCCalloc(map_array_size,
sizeof(*map_array));
3135 if (map_array == NULL)
3142 if (map_cnt >= map_array_size) {
3154 list = master->
list;
3159 if (mt_det_ctx == NULL)
3161 if (
HashTableAdd(mt_det_ctxs_hash, mt_det_ctx, 0) != 0) {
3170 mt_det_ctxs_hash = NULL;
3182 det_ctx->
TenantGetId = DetectEngineTenantGetIdFromVlanId;
3186 det_ctx->
TenantGetId = DetectEngineTenantGetIdFromLivedev;
3190 det_ctx->
TenantGetId = DetectEngineTenantGetIdFromPcap;
3197 if (map_array != NULL)
3199 if (mt_det_ctxs_hash != NULL)
3280 DetectEngineThreadCtxInitKeywords(
de_ctx, det_ctx);
3281 DetectEngineThreadCtxInitGlobalKeywords(det_ctx);
3282 #ifdef PROFILE_RULES
3320 if (det_ctx->
de_ctx == NULL) {
3370 if (DetectEngineThreadCtxInitForMT(
tv, det_ctx) !=
TM_ECODE_OK) {
3377 *data = (
void *)det_ctx;
3401 if (det_ctx->
de_ctx == NULL) {
3433 if (DetectEngineThreadCtxInitForMT(
tv, det_ctx) !=
TM_ECODE_OK) {
3446 SCLogDebug(
"PACKET PKT_STREAM_ADD: %"PRIu64, det_ctx->pkt_stream_add_cnt);
3448 SCLogDebug(
"PAYLOAD MPM %"PRIu64
"/%"PRIu64, det_ctx->payload_mpm_cnt, det_ctx->payload_mpm_size);
3449 SCLogDebug(
"STREAM MPM %"PRIu64
"/%"PRIu64, det_ctx->stream_mpm_cnt, det_ctx->stream_mpm_size);
3451 SCLogDebug(
"PAYLOAD SIG %"PRIu64
"/%"PRIu64, det_ctx->payload_persig_cnt, det_ctx->payload_persig_size);
3452 SCLogDebug(
"STREAM SIG %"PRIu64
"/%"PRIu64, det_ctx->stream_persig_cnt, det_ctx->stream_persig_size);
3460 #ifdef PROFILE_RULES
3470 if (det_ctx->
de_ctx != NULL) {
3510 for (uint32_t x = 0; x < fb->
size; x++) {
3521 DetectEngineThreadCtxDeinitGlobalKeywords(det_ctx);
3522 if (det_ctx->
de_ctx != NULL) {
3523 DetectEngineThreadCtxDeinitKeywords(det_ctx->
de_ctx, det_ctx);
3543 if (det_ctx == NULL) {
3552 DetectEngineThreadCtxFree(det_ctx);
3557 static uint32_t DetectKeywordCtxHashFunc(
HashListTable *ht,
void *data, uint16_t datalen)
3560 const char *name =
ctx->name;
3561 uint64_t hash =
StringHashDjb2((
const uint8_t *)name, strlen(name)) + (ptrdiff_t)
ctx->data;
3566 static char DetectKeywordCtxCompareFunc(
void *data1, uint16_t len1,
void *data2, uint16_t len2)
3570 const char *name1 = ctx1->
name;
3571 const char *name2 = ctx2->
name;
3572 return (strcmp(name1, name2) == 0 && ctx1->
data == ctx2->
data);
3575 static void DetectKeywordCtxFreeFunc(
void *ptr)
3598 BUG_ON(
de_ctx == NULL || InitFunc == NULL || FreeFunc == NULL);
3602 DetectKeywordCtxHashFunc, DetectKeywordCtxCompareFunc, DetectKeywordCtxFreeFunc);
3687 void *(*InitFunc)(
void *),
void *data,
void (*FreeFunc)(
void *))
3690 BUG_ON(InitFunc == NULL || FreeFunc == NULL);
3696 while (item != NULL) {
3697 if (strcmp(name, item->
name) == 0) {
3747 if (master->
list == NULL) {
3823 static int DetectEngineMultiTenantLoadTenant(uint32_t tenant_id,
const char *filename,
int loader_id)
3828 snprintf(prefix,
sizeof(prefix),
"multi-detect.%u", tenant_id);
3831 if (
SCStatFn(filename, &st) != 0) {
3832 SCLogError(
"failed to stat file %s", filename);
3838 SCLogError(
"tenant %u already registered", tenant_id);
3845 SCLogError(
"failed to properly setup yaml %s", filename);
3882 static int DetectEngineMultiTenantReloadTenant(uint32_t tenant_id,
const char *filename,
int reload_cnt)
3885 if (old_de_ctx == NULL) {
3886 SCLogError(
"tenant detect engine not found");
3890 if (filename == NULL)
3894 snprintf(prefix,
sizeof(prefix),
"multi-detect.%u.reload.%d", tenant_id, reload_cnt);
3905 SCLogError(
"failed to properly setup yaml %s", filename);
3910 if (new_de_ctx == NULL) {
3950 static void DetectLoaderFreeTenant(
void *
ctx)
3953 if (t->
yaml != NULL) {
3959 static int DetectLoaderFuncLoadTenant(
void *vctx,
int loader_id)
3964 if (DetectEngineMultiTenantLoadTenant(
ctx->tenant_id,
ctx->yaml, loader_id) != 0) {
3970 static int DetectLoaderSetupLoadTenant(uint32_t tenant_id,
const char *yaml)
3978 if (t->
yaml == NULL) {
3986 static int DetectLoaderFuncReloadTenant(
void *vctx,
int loader_id)
3992 if (DetectEngineMultiTenantReloadTenant(
ctx->tenant_id,
ctx->yaml,
ctx->reload_cnt) != 0) {
3998 static int DetectLoaderSetupReloadTenants(
const int reload_cnt)
4017 loader_id, DetectLoaderFuncReloadTenant, t, DetectLoaderFreeTenant);
4031 static int DetectLoaderSetupReloadTenant(uint32_t tenant_id,
const char *yaml,
int reload_cnt)
4034 if (old_de_ctx == NULL)
4046 if (t->
yaml == NULL) {
4056 loader_id, DetectLoaderFuncReloadTenant, t, DetectLoaderFreeTenant);
4063 int r = DetectLoaderSetupLoadTenant(tenant_id, yaml);
4077 int r = DetectLoaderSetupReloadTenant(tenant_id, yaml, reload_cnt);
4091 int r = DetectLoaderSetupReloadTenants(reload_cnt);
4101 static int DetectEngineMultiTenantSetupLoadLivedevMappings(
const ConfNode *mappings_root_node,
4106 int mapping_cnt = 0;
4107 if (mappings_root_node != NULL) {
4110 if (tenant_id_node == NULL)
4113 if (device_node == NULL)
4116 uint32_t tenant_id = 0;
4118 tenant_id_node->
val) < 0) {
4121 tenant_id_node->
val);
4125 const char *dev = device_node->
val;
4144 SCLogConfig(
"device %s connected to tenant-id %u", dev, tenant_id);
4153 SCLogConfig(
"%d device - tenant-id mappings defined", mapping_cnt);
4160 static int DetectEngineMultiTenantSetupLoadVlanMappings(
const ConfNode *mappings_root_node,
4165 int mapping_cnt = 0;
4166 if (mappings_root_node != NULL) {
4169 if (tenant_id_node == NULL)
4172 if (vlan_id_node == NULL)
4175 uint32_t tenant_id = 0;
4177 tenant_id_node->
val) < 0) {
4180 tenant_id_node->
val);
4184 uint16_t vlan_id = 0;
4186 &vlan_id, 10, (uint16_t)strlen(vlan_id_node->
val), vlan_id_node->
val) < 0) {
4192 if (vlan_id == 0 || vlan_id >= 4095) {
4194 "of %s is invalid. Valid range 1-4094.",
4202 SCLogConfig(
"vlan %u connected to tenant-id %u", vlan_id, tenant_id);
4228 int failure_fatal = 0;
4229 (void)
ConfGetBool(
"engine.init-failure-fatal", &failure_fatal);
4232 (void)
ConfGetBool(
"multi-detect.enabled", &enabled);
4242 const char *handler = NULL;
4243 if (
ConfGet(
"multi-detect.selector", &handler) == 1) {
4244 SCLogConfig(
"multi-tenant selector type %s", handler);
4246 if (strcmp(handler,
"vlan") == 0) {
4250 if ((
ConfGetBool(
"vlan.use-for-tracking", &vlanbool)) == 1 && vlanbool == 0) {
4252 "can't use multi-detect selector 'vlan'");
4257 }
else if (strcmp(handler,
"direct") == 0) {
4259 }
else if (strcmp(handler,
"device") == 0) {
4262 SCLogWarning(
"multi-tenant 'device' mode not supported for IPS");
4269 "multi-detect.selector",
4276 SCLogConfig(
"multi-detect is enabled (multi tenancy). Selector: %s", handler);
4282 int mapping_cnt = DetectEngineMultiTenantSetupLoadVlanMappings(mappings_root_node,
4284 if (mapping_cnt == 0) {
4290 SCLogNotice(
"no tenant traffic mappings defined, "
4291 "tenants won't be used until mappings are added");
4293 if (failure_fatal) {
4294 SCLogError(
"no multi-detect mappings defined");
4302 int mapping_cnt = DetectEngineMultiTenantSetupLoadLivedevMappings(mappings_root_node,
4304 if (mapping_cnt == 0) {
4305 if (failure_fatal) {
4306 SCLogError(
"no multi-detect mappings defined");
4318 if (tenants_root_node != NULL) {
4319 const char *path = NULL;
4322 path = path_node->
val;
4328 if (id_node == NULL) {
4332 if (yaml_node == NULL) {
4336 uint32_t tenant_id = 0;
4338 &tenant_id, 10, (uint16_t)strlen(id_node->
val), id_node->
val) < 0) {
4346 char yaml_path[PATH_MAX] =
"";
4350 strlcpy(yaml_path, yaml_node->
val,
sizeof(yaml_path));
4357 snprintf(prefix,
sizeof(prefix),
"multi-detect.%u", tenant_id);
4359 SCLogError(
"failed to load yaml %s", yaml_path);
4363 int r = DetectLoaderSetupLoadTenant(tenant_id, yaml_path);
4384 SCLogDebug(
"multi-detect not enabled (multi tenancy)");
4391 static uint32_t DetectEngineTenantGetIdFromVlanId(
const void *
ctx,
const Packet *p)
4395 uint32_t vlan_id = 0;
4415 static uint32_t DetectEngineTenantGetIdFromLivedev(
const void *
ctx,
const Packet *p)
4420 if (ld == NULL || det_ctx == NULL)
4427 static int DetectEngineTenantRegisterSelector(
4434 SCLogInfo(
"conflicting selector already set");
4441 if (
m->traffic_id == traffic_id) {
4442 SCLogInfo(
"traffic id already registered");
4463 SCLogDebug(
"tenant handler %u %u %u registered", selector, tenant_id, traffic_id);
4468 static int DetectEngineTenantUnregisterSelector(
4492 SCLogInfo(
"tenant handler %u %u %u unregistered", selector, tenant_id, traffic_id);
4506 return DetectEngineTenantRegisterSelector(
4517 return DetectEngineTenantUnregisterSelector(
TENANT_SELECTOR_VLAN, tenant_id, (uint32_t)vlan_id);
4532 static uint32_t DetectEngineTenantGetIdFromPcap(
const void *
ctx,
const Packet *p)
4542 if (master->
list == NULL) {
4565 BUG_ON((*de_ctx)->ref_cnt == 0);
4566 (*de_ctx)->ref_cnt--;
4574 if (instance == NULL)
4577 if (master->
list == NULL) {
4578 master->
list = instance;
4581 master->
list = instance;
4598 r = DetectEngineAddToList(
de_ctx);
4606 if (instance == NULL) {
4611 if (instance ==
de_ctx) {
4615 instance = instance->
next;
4620 if (instance ==
de_ctx) {
4628 if (instance == NULL) {
4634 instance->
next = NULL;
4652 ret = DetectEngineMoveToFreeListNoLock(master,
de_ctx);
4676 SCLogDebug(
"freeing detect engine %p", instance);
4698 DetectEngineMoveToFreeListNoLock(master, instance);
4705 static int reloads = 0;
4720 memset(prefix, 0,
sizeof(prefix));
4725 snprintf(prefix,
sizeof(prefix),
"detect-engine-reloads.%d", reloads++);
4752 if (old_de_ctx == NULL)
4754 SCLogDebug(
"get ref to old_de_ctx %p", old_de_ctx);
4768 if (new_de_ctx == NULL) {
4780 SCLogDebug(
"set up new_de_ctx %p", new_de_ctx);
4789 SCLogDebug(
"going to reload the threads to use new_de_ctx %p", new_de_ctx);
4791 DetectEngineReloadThreads(new_de_ctx);
4792 SCLogDebug(
"threads now run new_de_ctx %p", new_de_ctx);
4801 SCLogDebug(
"old_de_ctx should have been freed");
4805 #ifdef HAVE_MALLOC_TRIM
4816 static uint32_t TenantIdHash(
HashTable *h,
void *data, uint16_t data_len)
4822 static char TenantIdCompare(
void *d1, uint16_t d1_len,
void *d2, uint16_t d2_len)
4829 static void TenantIdFree(
void *d)
4831 DetectEngineThreadCtxFree(d);
4847 for ( ; list != NULL; list = list->
next) {
4858 if (stub_de_ctx == NULL) {
4860 if (stub_de_ctx == NULL) {
4865 if (master->
list == NULL) {
4866 master->
list = stub_de_ctx;
4869 master->
list = stub_de_ctx;
4875 DetectEngineReloadThreads(stub_de_ctx);
4885 SCLogDebug(
"old_de_ctx should have been freed");
4889 static int g_parse_metadata = 0;
4893 g_parse_metadata = 1;
4898 g_parse_metadata = 0;
4903 return g_parse_metadata;
4912 return "packet/stream payload";
4918 return "base64_data";
4921 return "post-match";
4929 return "max (internal)";
4945 static int DetectEngineInitYamlConf(
const char *conf)
4952 static void DetectEngineDeInitYamlConf(
void)
4958 static int DetectEngineTest01(
void)
4964 " - profile: medium\n"
4965 " - custom-values:\n"
4966 " toclient_src_groups: 2\n"
4967 " toclient_dst_groups: 2\n"
4968 " toclient_sp_groups: 2\n"
4969 " toclient_dp_groups: 3\n"
4970 " toserver_src_groups: 2\n"
4971 " toserver_dst_groups: 4\n"
4972 " toserver_sp_groups: 2\n"
4973 " toserver_dp_groups: 25\n"
4974 " - inspection-recursion-limit: 0\n";
4976 FAIL_IF(DetectEngineInitYamlConf(conf) == -1);
4985 DetectEngineDeInitYamlConf();
4990 static int DetectEngineTest02(
void)
4996 " - profile: medium\n"
4997 " - custom-values:\n"
4998 " toclient_src_groups: 2\n"
4999 " toclient_dst_groups: 2\n"
5000 " toclient_sp_groups: 2\n"
5001 " toclient_dp_groups: 3\n"
5002 " toserver_src_groups: 2\n"
5003 " toserver_dst_groups: 4\n"
5004 " toserver_sp_groups: 2\n"
5005 " toserver_dp_groups: 25\n"
5006 " - inspection-recursion-limit:\n";
5008 FAIL_IF(DetectEngineInitYamlConf(conf) == -1);
5018 DetectEngineDeInitYamlConf();
5023 static int DetectEngineTest03(
void)
5029 " - profile: medium\n"
5030 " - custom-values:\n"
5031 " toclient_src_groups: 2\n"
5032 " toclient_dst_groups: 2\n"
5033 " toclient_sp_groups: 2\n"
5034 " toclient_dp_groups: 3\n"
5035 " toserver_src_groups: 2\n"
5036 " toserver_dst_groups: 4\n"
5037 " toserver_sp_groups: 2\n"
5038 " toserver_dp_groups: 25\n";
5040 FAIL_IF(DetectEngineInitYamlConf(conf) == -1);
5050 DetectEngineDeInitYamlConf();
5055 static int DetectEngineTest04(
void)
5061 " - profile: medium\n"
5062 " - custom-values:\n"
5063 " toclient_src_groups: 2\n"
5064 " toclient_dst_groups: 2\n"
5065 " toclient_sp_groups: 2\n"
5066 " toclient_dp_groups: 3\n"
5067 " toserver_src_groups: 2\n"
5068 " toserver_dst_groups: 4\n"
5069 " toserver_sp_groups: 2\n"
5070 " toserver_dp_groups: 25\n"
5071 " - inspection-recursion-limit: 10\n";
5073 FAIL_IF(DetectEngineInitYamlConf(conf) == -1);
5082 DetectEngineDeInitYamlConf();
5087 static int DetectEngineTest08(
void)
5093 " - profile: custom\n"
5094 " - custom-values:\n"
5095 " toclient-groups: 23\n"
5096 " toserver-groups: 27\n";
5098 FAIL_IF(DetectEngineInitYamlConf(conf) == -1);
5108 DetectEngineDeInitYamlConf();
5114 static int DetectEngineTest09(
void)
5120 " - profile: custom\n"
5121 " - custom-values:\n"
5122 " toclient-groups: BA\n"
5123 " toserver-groups: BA\n"
5124 " - inspection-recursion-limit: 10\n";
5126 FAIL_IF(DetectEngineInitYamlConf(conf) == -1);
5136 DetectEngineDeInitYamlConf();
#define HashListTableGetListData(hb)
#define DE_STATE_ID_FILE_INSPECT
void SCProfilingSghThreadCleanup(DetectEngineThreadCtx *det_ctx)
DetectEngineCtx * DetectEngineCtxInitWithPrefix(const char *prefix, uint32_t tenant_id)
void DetectAppLayerMpmMultiRegister(const char *name, int direction, int priority, PrefilterRegisterFunc PrefilterRegister, InspectionMultiBufferGetDataPtr GetData, AppProto alproto, int tx_min_progress)
int ConfGetInt(const char *name, intmax_t *val)
Retrieve a configuration value as an integer.
void DetectEngineResetMaxSigId(DetectEngineCtx *de_ctx)
int DetectEngineMTApply(void)
void SCProfilingKeywordDestroyCtx(DetectEngineCtx *de_ctx)
#define PACKET_ALERT_FLAG_STREAM_MATCH
bool DetectEngineBufferTypeSupportsPacketGetById(const DetectEngineCtx *de_ctx, const int id)
DetectEngineThreadCtx * DetectEngineThreadCtxInitForReload(ThreadVars *tv, DetectEngineCtx *new_de_ctx, int mt)
#define FAIL_IF_NULL(expr)
Fail a test if expression evaluates to NULL.
int SCRunmodeGet(void)
Get the current run mode.
struct SigMatch_ * smlists[DETECT_SM_LIST_MAX]
void SCProfilingKeywordThreadCleanup(DetectEngineThreadCtx *det_ctx)
void AlertQueueFree(DetectEngineThreadCtx *det_ctx)
void SCProfilingSghThreadSetup(SCProfileSghDetectCtx *ctx, DetectEngineThreadCtx *det_ctx)
int DetectParseDupSigHashInit(DetectEngineCtx *de_ctx)
Initializes the hash table that is used to cull duplicate sigs.
SigTableElmt * sigmatch_table
void DetectLoaderThreadSpawn(void)
spawn the detect loader manager thread
uint8_t SinglePatternMatchDefaultMatcher(void)
Returns the single pattern matcher algorithm to be used, based on the spm-algo setting in yaml.
void DetectEngineDeReference(DetectEngineCtx **de_ctx)
#define DETECT_CI_FLAGS_START
uint8_t DetectEngineInspectBufferGeneric(DetectEngineCtx *de_ctx, DetectEngineThreadCtx *det_ctx, const DetectEngineAppInspectionEngine *engine, const Signature *s, Flow *f, uint8_t flags, void *alstate, void *txv, uint64_t tx_id)
Do the content inspection & validation for a signature.
void(* Free)(DetectEngineCtx *, void *)
int DetectEngineMustParseMetadata(void)
void MpmFactoryDeRegisterAllMpmCtxProfiles(DetectEngineCtx *de_ctx)
uint16_t counter_match_list
DetectEngineTenantMapping * tenant_mapping_list
#define SC_ATOMIC_INIT(name)
wrapper for initializing an atomic variable.
struct DetectEngineAppInspectionEngine_ * next
uint8_t DetectEngineInspectMultiBufferGeneric(DetectEngineCtx *de_ctx, DetectEngineThreadCtx *det_ctx, const DetectEngineAppInspectionEngine *engine, const Signature *s, Flow *f, uint8_t flags, void *alstate, void *txv, uint64_t tx_id)
void MpmStoreFree(DetectEngineCtx *de_ctx)
Frees the hash table - DetectEngineCtx->mpm_hash_table, allocated by MpmStoreInit() function.
void DetectFrameMpmRegisterByParentId(DetectEngineCtx *de_ctx, const int id, const int parent_id, DetectEngineTransforms *transforms)
copy a mpm engine from parent_id, add in transforms
void DetectEngineBufferTypeSupportsPacket(DetectEngineCtx *de_ctx, const char *name)
void DetectEngineBufferRunSetupCallback(const DetectEngineCtx *de_ctx, const int id, Signature *s)
int ConfGetBool(const char *name, int *val)
Retrieve a configuration value as a boolean.
enum DetectEngineType type
void DetectEnginePruneFreeList(void)
int SigLoadSignatures(DetectEngineCtx *de_ctx, char *sig_file, bool sig_file_exclusive)
Load signatures.
void * DetectThreadCtxGetKeywordThreadCtx(DetectEngineThreadCtx *det_ctx, int id)
Retrieve thread local keyword ctx by id.
void UtRegisterTest(const char *name, int(*TestFn)(void))
Register unit test.
#define SIG_FLAG_INIT_NEED_FLUSH
DetectEngineCtx * DetectEngineCtxInitStubForDD(void)
#define KEYWORD_PROFILING_SET_LIST(ctx, list)
uint16_t max_uniq_toclient_groups
int ActionInitConfig(void)
Load the action order from config. If none is provided, it will be default to ACTION_PASS,...
InspectEngineFuncPtr Callback
int PathMerge(char *out_buf, size_t buf_size, const char *const dir, const char *const fname)
uint32_t non_pf_store_cnt_max
void PacketEnqueue(PacketQueue *q, Packet *p)
DetectFileDataCfg * filedata_config
struct HtpBodyChunk_ * next
void DetectBufferTypeSupportsFrames(const char *name)
#define TM_FLAG_DETECT_TM
void DetectMpmInitializeFrameMpms(DetectEngineCtx *de_ctx)
simple fifo queue for packets with mutex and cond Calling the mutex or triggering the cond is respons...
@ DETECT_SM_LIST_DYNAMIC_START
int DetectBufferSetActiveList(DetectEngineCtx *de_ctx, Signature *s, const int list)
int AppLayerParserGetStateProgress(uint8_t ipproto, AppProto alproto, void *alstate, uint8_t flags)
get the progress value for a tx/protocol
AppLayerDecoderEvents * decoder_events
InspectionBuffer *(* InspectionMultiBufferGetDataPtr)(struct DetectEngineThreadCtx_ *det_ctx, const DetectEngineTransforms *transforms, Flow *f, const uint8_t flow_flags, void *txv, const int list_id, const uint32_t local_id)
void *(* InitFunc)(void *)
ConfNode * ConfGetNode(const char *name)
Get a ConfNode by name.
InspectionBufferGetDataPtr GetData
DetectBufferMpmRegistry * pkt_mpms_list
void TmThreadContinueDetectLoaderThreads(void)
Unpauses all threads present in tv_root.
@ DETECT_SM_LIST_THRESHOLD
void DetectBufferTypeRegisterSetupCallback(const char *name, void(*SetupCallback)(const DetectEngineCtx *, Signature *))
InspectionBuffer *(* InspectionBufferGetDataPtr)(struct DetectEngineThreadCtx_ *det_ctx, const DetectEngineTransforms *transforms, Flow *f, const uint8_t flow_flags, void *txv, const int list_id)
const char * AppProtoToString(AppProto alproto)
Maps the ALPROTO_*, to its string equivalent.
int DetectEngineReloadTenantBlocking(uint32_t tenant_id, const char *yaml, int reload_cnt)
Reload a tenant and wait for loading to complete.
int inspection_recursion_limit
void DetectAddressMapFree(DetectEngineCtx *de_ctx)
const DetectEngineTransforms * transforms
main detection engine ctx
int StringParseUint16(uint16_t *res, int base, size_t len, const char *str)
void DetectEngineReloadSetIdle(void)
int ConfYamlLoadFileWithPrefix(const char *filename, const char *prefix)
Load configuration from a YAML file, insert in tree at 'prefix'.
uint16_t lua_blocked_function_errors
void ** global_keyword_ctxs_array
@ DETECT_EVENT_TOO_MANY_BUFFERS
DetectEngineCtx * DetectEngineGetCurrent(void)
uint32_t TmThreadCountThreadsByTmmFlags(uint8_t flags)
returns a count of all the threads that match the flag
void DetectBufferTypeSupportsMultiInstance(const char *name)
HashListTableBucket * HashListTableGetListHead(HashListTable *ht)
#define TAILQ_FOREACH(var, head, field)
uint8_t DetectEngineInspectPacketPayload(DetectEngineCtx *de_ctx, DetectEngineThreadCtx *det_ctx, const Signature *s, Flow *f, Packet *p)
Do the content inspection & validation for a signature.
int DetectEngineAddToMaster(DetectEngineCtx *de_ctx)
int ConfYamlHandleInclude(ConfNode *parent, const char *filename)
Include a file in the configuration.
InspectionBuffer *(* InspectionBufferGetPktDataPtr)(struct DetectEngineThreadCtx_ *det_ctx, const DetectEngineTransforms *transforms, Packet *p, const int list_id)
void SCSigSignatureOrderingModuleCleanup(DetectEngineCtx *de_ctx)
De-registers all the signature ordering functions registered.
const char * DetectEngineBufferTypeGetNameById(const DetectEngineCtx *de_ctx, const int id)
int DetectEngineMultiTenantSetup(const bool unix_socket)
setup multi-detect / multi-tenancy
void PrefilterDeinit(DetectEngineCtx *de_ctx)
struct DetectBufferMpmRegistry_ * next
#define SIG_FLAG_REQUIRE_STREAM
void ConfDump(void)
Dump configuration to stdout.
struct DetectEngineTenantMapping_ * next
void DetectEngineSetEvent(DetectEngineThreadCtx *det_ctx, uint8_t e)
void AppLayerDecoderEventsFreeEvents(AppLayerDecoderEvents **events)
struct SCProfileSghDetectCtx_ * profile_sgh_ctx
ThreadVars * tv_root[TVT_MAX]
one time registration of keywords at start up
void SCReferenceConfDeinit(DetectEngineCtx *de_ctx)
struct DetectPort_ * next
void DetectEngineCtxFree(DetectEngineCtx *de_ctx)
Free a DetectEngineCtx::
SpmThreadCtx * spm_thread_ctx
int DetectEngineReloadTenantsBlocking(const int reload_cnt)
Reload all tenants and wait for loading to complete.
#define SCMUTEX_INITIALIZER
SigMatchData * sm_arrays[DETECT_SM_LIST_MAX]
const char * conf_filename
enum DetectEnginePrefilterSetting prefilter_setting
void DetectParseDupSigHashFree(DetectEngineCtx *de_ctx)
Frees the hash table that is used to cull duplicate sigs.
int StringParseInt32(int32_t *res, int base, size_t len, const char *str)
int PrefilterGenericMpmFrameRegister(DetectEngineCtx *de_ctx, SigGroupHead *sgh, MpmCtx *mpm_ctx, const DetectBufferMpmRegistry *mpm_reg, int list_id)
uint32_t DetectEngineGetVersion(void)
void SigCleanSignatures(DetectEngineCtx *de_ctx)
void * HashListTableLookup(HashListTable *ht, void *data, uint16_t datalen)
uint16_t lua_instruction_limit_errors
int DetectBufferGetActiveList(DetectEngineCtx *de_ctx, Signature *s)
#define SIG_FLAG_TOCLIENT
bool DetectBufferIsPresent(const Signature *s, const uint32_t buf_id)
#define KEYWORD_PROFILING_START
uint16_t counter_fnonmpm_list
#define DETECT_TRANSFORMS_MAX
uint16_t counter_nonmpm_list
InspectionBuffer * InspectionBufferGet(DetectEngineThreadCtx *det_ctx, const int list_id)
int PrefilterMultiGenericMpmRegister(DetectEngineCtx *de_ctx, SigGroupHead *sgh, MpmCtx *mpm_ctx, const DetectBufferMpmRegistry *mpm_reg, int list_id)
DetectEngineFrameInspectionEngine * frame_inspect
void DetectBufferTypeCloseRegistration(void)
const DetectEngineTransforms * transforms
#define FAIL_IF_NOT(expr)
Fail a test if expression evaluates to false.
const DetectBufferType * DetectEngineBufferTypeGetById(const DetectEngineCtx *de_ctx, const int id)
void HashTableFree(HashTable *ht)
int DetectBufferTypeGetByName(const char *name)
#define KEYWORD_PROFILING_END(ctx, type, m)
void DetectBufferTypeSupportsPacket(const char *name)
InspectionBufferFrameInspectFunc Callback
int HashListTableAdd(HashListTable *ht, void *data, uint16_t datalen)
int SigGroupHeadHashInit(DetectEngineCtx *de_ctx)
Initializes the hash table in the detection engine context to hold the SigGroupHeads.
void SCRConfDeInitContext(DetectEngineCtx *de_ctx)
Releases de_ctx resources related to Reference Config API.
DetectPort * udp_whitelist
HashTable * mt_det_ctxs_hash
size_t strlcpy(char *dst, const char *src, size_t siz)
bool DetectEnginePktInspectionRun(ThreadVars *tv, DetectEngineThreadCtx *det_ctx, const Signature *s, Flow *f, Packet *p, uint8_t *alert_flags)
void DetectAppLayerMpmRegisterByParentId(DetectEngineCtx *de_ctx, const int id, const int parent_id, DetectEngineTransforms *transforms)
copy a mpm engine from parent_id, add in transforms
void AlertQueueInit(DetectEngineThreadCtx *det_ctx)
void DetectAppLayerMultiRegister(const char *name, AppProto alproto, uint32_t dir, int progress, InspectionMultiBufferGetDataPtr GetData, int priority, int tx_min_progress)
uint16_t counter_alerts_suppressed
#define PKT_SET_SRC(p, src_val)
@ TENANT_SELECTOR_UNKNOWN
int ConfGet(const char *name, const char **vptr)
Retrieve the value of a configuration node.
void InspectionBufferInit(InspectionBuffer *buffer, uint32_t initial_size)
int DetectEngineMultiTenantEnabled(void)
#define HashListTableGetListNext(hb)
@ DETECT_SM_LIST_POSTMATCH
void ConfNodeRemove(ConfNode *node)
Remove (and SCFree) the provided configuration node.
#define SIG_FLAG_TOSERVER
void InspectionBufferSetupMultiEmpty(InspectionBuffer *buffer)
setup the buffer empty
DetectEngineTenantSelectors
int DetectPortParse(const DetectEngineCtx *de_ctx, DetectPort **head, const char *str)
Function for parsing port strings.
int(* InspectionBufferPktInspectFunc)(struct DetectEngineThreadCtx_ *, const struct DetectEnginePktInspectionEngine *engine, const struct Signature_ *s, Packet *p, uint8_t *alert_flags)
HashListTable * HashListTableInit(uint32_t size, uint32_t(*Hash)(struct HashListTable_ *, void *, uint16_t), char(*Compare)(void *, uint16_t, void *, uint16_t), void(*Free)(void *))
SCDetectRequiresStatus * requirements
#define TAILQ_REMOVE(head, elm, field)
bool(* TransformValidate)(const uint8_t *content, uint16_t content_len, void *context)
uint16_t counter_alerts_overflow
void DetectBufferTypeRegisterValidateCallback(const char *name, bool(*ValidateCallback)(const Signature *, const char **sigerror))
int DetectEngineMoveToFreeList(DetectEngineCtx *de_ctx)
#define PASS
Pass the test.
SpmGlobalThreadCtx * SpmInitGlobalThreadCtx(uint8_t matcher)
void SCProfilingPrefilterDestroyCtx(DetectEngineCtx *de_ctx)
void DetectMpmInitializePktMpms(DetectEngineCtx *de_ctx)
void DetectLoadersInit(void)
struct TmSlot_ * tm_slots
const char * DetectEngineBufferTypeGetDescriptionById(const DetectEngineCtx *de_ctx, const int id)
#define SCMutexUnlock(mut)
@ DETECT_SM_LIST_BASE64_DATA
#define PKT_PSEUDO_STREAM_END
InspectionBuffer * buffers
DetectEngineThreadKeywordCtxItem * keyword_list
LiveDevice * LiveGetDevice(const char *name)
Get a pointer to the device at idx.
enum DetectEngineTenantSelectors tenant_selector
HashListTable * keyword_hash
void DetectPktInspectEngineRegister(const char *name, InspectionBufferGetPktDataPtr GetPktData, InspectionBufferPktInspectFunc Callback)
register inspect engine at start up time
void InspectionBufferCheckAndExpand(InspectionBuffer *buffer, uint32_t min_size)
make sure that the buffer has at least 'min_size' bytes Expand the buffer if necessary
int DetectEngineInspectStreamPayload(DetectEngineCtx *de_ctx, DetectEngineThreadCtx *det_ctx, const Signature *s, Flow *f, Packet *p)
Do the content inspection & validation for a signature on the raw stream.
DetectEnginePktInspectionEngine * pkt_inspect
InspectionMultiBufferGetDataPtr GetMultiData
int DetectBufferTypeMaxId(void)
void DatasetPostReloadCleanup(void)
Per thread variable structure.
bool DetectEngineBufferTypeValidateTransform(DetectEngineCtx *de_ctx, int sm_list, const uint8_t *content, uint16_t content_len, const char **namestr)
Check content byte array compatibility with transforms.
bool * sm_types_prefilter
int DetectEngineEnabled(void)
Check if detection is enabled.
SigMatchData * SigMatchList2DataArray(SigMatch *head)
convert SigMatch list to SigMatchData array
TmEcode DetectEngineThreadCtxInit(ThreadVars *tv, void *initdata, void **data)
initialize thread specific detection engine context
int DetectEngineReloadIsIdle(void)
#define DETECT_ENGINE_INSPECT_SIG_MATCH
#define PKT_DETECT_HAS_STREAMDATA
void SCProfilingRuleDestroyCtx(struct SCProfileDetectCtx_ *)
void SCClassConfDeinit(DetectEngineCtx *de_ctx)
@ DETECT_ENGINE_CONTENT_INSPECTION_MODE_STATE
DetectEngineFrameInspectionEngine * frame_inspect_engines
DetectEngineCtx * free_list
int StringParseUint32(uint32_t *res, int base, size_t len, const char *str)
void PatternMatchThreadPrepare(MpmThreadCtx *mpm_thread_ctx, uint16_t mpm_matcher)
int ConfYamlLoadString(const char *string, size_t len)
Load configuration from a YAML string.
struct DetectEngineThreadKeywordCtxItem_ * next
#define SCLogWarning(...)
Macro used to log WARNING messages.
int HashTableAdd(HashTable *ht, void *data, uint16_t datalen)
int DetectEngineBufferTypeRegister(DetectEngineCtx *de_ctx, const char *name)
Port structure for detection engine.
DetectEngineAppInspectionEngine * app_inspect
void SCProfilingRuleThreadCleanup(DetectEngineThreadCtx *)
bool(* ValidateCallback)(const struct Signature_ *, const char **sigerror)
struct ThreadVars_ * next
uint32_t hashlittle_safe(const void *key, size_t length, uint32_t initval)
int SigGroupCleanup(DetectEngineCtx *de_ctx)
uint16_t lua_memory_limit_errors
uint8_t DetectEngineInspectStream(DetectEngineCtx *de_ctx, DetectEngineThreadCtx *det_ctx, const struct DetectEngineAppInspectionEngine_ *engine, const Signature *s, Flow *f, uint8_t flags, void *alstate, void *txv, uint64_t tx_id)
inspect engine for stateful rules
int DetectEngineLoadTenantBlocking(uint32_t tenant_id, const char *yaml)
Load a tenant and wait for loading to complete.
void TmModuleDetectLoaderRegister(void)
DetectEngineCtx * DetectEngineCtxInit(void)
void RuleMatchCandidateTxArrayFree(DetectEngineThreadCtx *det_ctx)
void DetectEngineInitializeFastPatternList(DetectEngineCtx *de_ctx)
@ ENGINE_SGH_MPM_FACTORY_CONTEXT_SINGLE
#define DE_STATE_FLAG_BASE
int SCRConfLoadReferenceConfigFile(DetectEngineCtx *de_ctx, FILE *fd)
Loads the Reference info from the reference.config file.
int DetectEngineTenantRegisterLivedev(uint32_t tenant_id, int device_id)
#define DETECT_CI_FLAGS_END
void DetectEngineBufferTypeSupportsFrames(DetectEngineCtx *de_ctx, const char *name)
int(* InspectionBufferFrameInspectFunc)(struct DetectEngineThreadCtx_ *, const struct DetectEngineFrameInspectionEngine *engine, const struct Signature_ *s, Packet *p, const struct Frames *frames, const struct Frame *frame)
DetectBufferMpmRegistry * frame_mpms_list
struct DetectEngineAppInspectionEngine_::@80 v2
TmModule * TmModuleGetById(int id)
Returns a TM Module by its id.
struct TenantLoaderCtx_ TenantLoaderCtx
uint16_t max_uniq_toserver_groups
int SignatureInitDataBufferCheckExpand(Signature *s)
check if buffers array still has space left, expand if not
struct LiveDevice_ * livedev
InspectionBufferPktInspectFunc Callback
SignatureInitData * init_data
enum DetectEngineSyncState state
SpmThreadCtx * SpmMakeThreadCtx(const SpmGlobalThreadCtx *global_thread_ctx)
struct SCProfileKeywordDetectCtx_ * profile_keyword_ctx
const char ** additional_configs
Data structures and function prototypes for keeping state for the detection engine.
int(* Match)(DetectEngineThreadCtx *, Packet *, const Signature *, const SigMatchCtx *)
void ConfCreateContextBackup(void)
Creates a backup of the conf_hash hash_table used by the conf API.
void SCProfilingPrefilterThreadCleanup(DetectEngineThreadCtx *det_ctx)
int32_t byte_extract_max_local_id
@ SIG_PROP_FLOW_ACTION_PACKET
const struct SignatureProperties signature_properties[SIG_TYPE_MAX]
int RunmodeIsUnittests(void)
#define SCLogInfo(...)
Macro used to log INFORMATIONAL messages.
#define TAILQ_FOREACH_SAFE(var, head, field, tvar)
#define SIG_FLAG_REQUIRE_STREAM_ONLY
void SpmDestroyGlobalThreadCtx(SpmGlobalThreadCtx *global_thread_ctx)
#define DETECT_ENGINE_INSPECT_SIG_CANT_MATCH
void DetectEngineRegisterTests(void)
int DetectLoaderQueueTask(int loader_id, LoaderFunc Func, void *func_ctx, LoaderFreeFunc FreeFunc)
@ DETECT_ENGINE_TYPE_TENANT
void DetectEngineBufferTypeSupportsTransformations(DetectEngineCtx *de_ctx, const char *name)
bool DetectEngineBufferTypeSupportsMpmGetById(const DetectEngineCtx *de_ctx, const int id)
const char * DetectSigmatchListEnumToString(enum DetectSigmatchListEnum type)
#define SCRealloc(ptr, sz)
void SRepReloadComplete(void)
Increment effective reputation version after a rule/reputation reload is complete.
#define SIG_FLAG_INIT_STATE_MATCH
ConfNode * ConfNodeLookupChild(const ConfNode *node, const char *name)
Lookup a child configuration node by name.
#define DETECT_SM_LIST_NOTSET
bool DetectEngineBufferTypeSupportsFramesGetById(const DetectEngineCtx *de_ctx, const int id)
int DetectEngineBufferTypeRegisterWithFrameEngines(DetectEngineCtx *de_ctx, const char *name, const int direction, const AppProto alproto, const uint8_t frame_type)
void SCReferenceConfInit(DetectEngineCtx *de_ctx)
InspectionBufferGetPktDataPtr GetData
@ DETECT_ENGINE_TYPE_NORMAL
void InspectionBufferCopy(InspectionBuffer *buffer, uint8_t *buf, uint32_t buf_len)
void * FlowWorkerGetDetectCtxPtr(void *flow_worker)
bool DetectEngineBufferTypeSupportsMultiInstanceGetById(const DetectEngineCtx *de_ctx, const int id)
SigFileLoaderStat sig_stat
void DetectEngineFrameMpmRegister(DetectEngineCtx *de_ctx, const char *name, int direction, int priority, int(*PrefilterRegister)(DetectEngineCtx *de_ctx, SigGroupHead *sgh, MpmCtx *mpm_ctx, const DetectBufferMpmRegistry *mpm_reg, int list_id), AppProto alproto, uint8_t type)
uint32_t * to_clear_queue
void SpmDestroyThreadCtx(SpmThreadCtx *thread_ctx)
struct SCProfilePrefilterDetectCtx_ * profile_prefilter_ctx
#define FAIL_IF(expr)
Fail a test if expression evaluates to true.
struct DetectEnginePktInspectionEngine::@83 v1
int DetectEnginePktInspectionSetup(Signature *s)
int DetectBufferTypeRegister(const char *name)
uint8_t(* InspectEngineFuncPtr)(struct DetectEngineCtx_ *de_ctx, struct DetectEngineThreadCtx_ *det_ctx, const struct DetectEngineAppInspectionEngine_ *engine, const struct Signature_ *s, Flow *f, uint8_t flags, void *alstate, void *txv, uint64_t tx_id)
int DetectRegisterThreadCtxFuncs(DetectEngineCtx *de_ctx, const char *name, void *(*InitFunc)(void *), void *data, void(*FreeFunc)(void *), int mode)
Register Thread keyword context Funcs.
int MpmStoreInit(DetectEngineCtx *de_ctx)
Initializes the MpmStore mpm hash table to be used by the detection engine context.
DetectBufferMpmRegistry * app_mpms_list
@ SIG_PROP_FLOW_ACTION_FLOW_IF_STATEFUL
DetectEngineCtx * DetectEngineCtxInitStubForMT(void)
void DetectBufferTypeSupportsMpm(const char *name)
struct DetectEngineThreadCtx_::@96 inspect
void HashListTableFree(HashListTable *ht)
HashListTable * buffer_type_hash_name
struct DetectEngineCtx_ * next
@ DETECT_ENGINE_TYPE_DD_STUB
void InspectionBufferApplyTransforms(InspectionBuffer *buffer, const DetectEngineTransforms *transforms)
void DetectEngineBumpVersion(void)
void AppLayerDecoderEventsSetEventRaw(AppLayerDecoderEvents **sevents, uint8_t event)
Set an app layer decoder event.
SigMatch * DetectBufferGetFirstSigMatch(const Signature *s, const uint32_t buf_id)
struct DetectEngineFrameInspectionEngine * next
void(* Transform)(InspectionBuffer *, void *context)
SignatureInitDataBuffer * curbuf
int DetectEngineInspectFrameBufferGeneric(DetectEngineThreadCtx *det_ctx, const DetectEngineFrameInspectionEngine *engine, const Signature *s, Packet *p, const Frames *frames, const Frame *frame)
Do the content inspection & validation for a signature.
TmEcode DetectEngineThreadCtxDeinit(ThreadVars *tv, void *data)
struct DetectEnginePktInspectionEngine * next
#define DETECT_ENGINE_DEFAULT_INSPECTION_RECURSION_LIMIT
void ConfRestoreContextBackup(void)
Restores the backup of the hash_table present in backup_conf_hash back to conf_hash.
uint8_t PatternMatchDefaultMatcher(void)
Function to return the multi pattern matcher algorithm to be used by the engine, based on the mpm-alg...
struct DetectEngineFrameInspectionEngine::@84 v1
int DetectEngineTenantRegisterPcapFile(uint32_t tenant_id)
void InspectionBufferSetupMulti(InspectionBuffer *buffer, const DetectEngineTransforms *transforms, const uint8_t *data, const uint32_t data_len)
setup the buffer with our initial data
void SigGroupHeadHashFree(DetectEngineCtx *de_ctx)
Frees the hash table - DetectEngineCtx->sgh_hash_table, allocated by SigGroupHeadHashInit() function.
uint8_t DetectEngineInspectGenericList(DetectEngineCtx *de_ctx, DetectEngineThreadCtx *det_ctx, const struct DetectEngineAppInspectionEngine_ *engine, const Signature *s, Flow *f, uint8_t flags, void *alstate, void *txv, uint64_t tx_id)
Do the content inspection & validation for a signature.
void DetectEngineAppInspectionEngineSignatureFree(DetectEngineCtx *de_ctx, Signature *s)
free app inspect engines for a signature
@ DETECT_ENGINE_CONTENT_INSPECTION_MODE_HEADER
DetectPort * tcp_whitelist
#define DETECT_ENGINE_INSPECT_SIG_NO_MATCH
DetectEnginePktInspectionEngine * pkt_inspect_engines
SigMatch * DetectBufferGetLastSigMatch(const Signature *s, const uint32_t buf_id)
void DetectEngineBufferTypeSupportsMpm(DetectEngineCtx *de_ctx, const char *name)
bool * sm_types_silent_error
SigIntId * non_pf_id_array
const char * DetectBufferTypeGetDescriptionByName(const char *name)
Packet * PacketGetFromAlloc(void)
Get a malloced packet.
void DetectEngineFreeFastPatternList(DetectEngineCtx *de_ctx)
void DetectBufferTypeSupportsTransformations(const char *name)
struct SCLogConfig_ SCLogConfig
Holds the config state used by the logging api.
int DetectAddressMapInit(DetectEngineCtx *de_ctx)
void ConfInit(void)
Initialize the configuration system.
SignatureInitDataBuffer * buffers
DetectEngineAppInspectionEngine * app_inspect_engines
int filemagic_thread_ctx_id
int global_keyword_ctxs_size
void PrefilterInit(DetectEngineCtx *de_ctx)
void * DetectThreadCtxGetGlobalKeywordThreadCtx(DetectEngineThreadCtx *det_ctx, int id)
Retrieve thread local keyword ctx by id.
#define SCLogError(...)
Macro used to log ERROR messages.
int SRepInit(DetectEngineCtx *de_ctx)
init reputation
int DetectEngineReloadStart(void)
void DetectEngineUnsetParseMetadata(void)
@ PKT_SRC_DETECT_RELOAD_FLUSH
void InspectionBufferSetup(DetectEngineThreadCtx *det_ctx, const int list_id, InspectionBuffer *buffer, const uint8_t *data, const uint32_t data_len)
setup the buffer with our initial data
void ** keyword_ctxs_array
int base64_decoded_len_max
int HashListTableRemove(HashListTable *ht, void *data, uint16_t datalen)
DetectEngineTransforms transforms
a single match condition for a signature
const DetectEngineTransforms * transforms
struct DetectEngineThreadCtx_::@97 multi_inspect
void InspectionBufferClean(DetectEngineThreadCtx *det_ctx)
@ ENGINE_SGH_MPM_FACTORY_CONTEXT_FULL
int DetectLoadersSync(void)
wait for loader tasks to complete
void SCProfilingSghDestroyCtx(DetectEngineCtx *de_ctx)
HashTable * HashTableInit(uint32_t size, uint32_t(*Hash)(struct HashTable_ *, void *, uint16_t), char(*Compare)(void *, uint16_t, void *, uint16_t), void(*Free)(void *))
SpmTableElmt spm_table[SPM_TABLE_SIZE]
DetectEngineCtx * DetectEngineReference(DetectEngineCtx *de_ctx)
MpmTableElmt mpm_table[MPM_TABLE_SIZE]
struct DetectEngineSyncer_ DetectEngineSyncer
void DetectMpmInitializeAppMpms(DetectEngineCtx *de_ctx)
int EngineModeIsIPS(void)
void PmqFree(PrefilterRuleStore *pmq)
Cleanup and free a Pmq.
InspectionBuffer * InspectionBufferMultipleForListGet(DetectEngineThreadCtx *det_ctx, const int list_id, const uint32_t local_id)
for a InspectionBufferMultipleForList get a InspectionBuffer
@ DETECT_ENGINE_TYPE_MT_STUB
void ConfDeInit(void)
De-initializes the configuration system.
void ThresholdCacheThreadFree(void)
uint16_t vlan_id[VLAN_MAX_LAYERS]
int DetectEngineReload(const SCInstance *suri)
Reload the detection engine.
bool DetectEngineBufferRunValidateCallback(const DetectEngineCtx *de_ctx, const int id, const Signature *s, const char **sigerror)
void(* SetupCallback)(const struct DetectEngineCtx_ *, struct Signature_ *)
void DetectAppLayerInspectEngineRegister(const char *name, AppProto alproto, uint32_t dir, int progress, InspectEngineFuncPtr Callback, InspectionBufferGetDataPtr GetData)
Registers an app inspection engine.
bool DetectEngineContentInspectionBuffer(DetectEngineCtx *de_ctx, DetectEngineThreadCtx *det_ctx, const Signature *s, const SigMatchData *smd, Packet *p, Flow *f, const InspectionBuffer *b, const enum DetectContentInspectionType inspection_mode)
wrapper around DetectEngineContentInspectionInternal to return true/false only
SpmGlobalThreadCtx * spm_global_thread_ctx
void DetectEngineClearMaster(void)
void SRepDestroy(DetectEngineCtx *de_ctx)
uint16_t StatsRegisterAvgCounter(const char *name, struct ThreadVars_ *tv)
Registers a counter, whose value holds the average of all the values assigned to it.
@ SIG_PROP_FLOW_ACTION_FLOW
void DetectBufferTypeSetDescriptionByName(const char *name, const char *desc)
DetectEngineTransforms transforms
void SCClassConfInit(DetectEngineCtx *de_ctx)
#define SCStatFn(pathname, statbuf)
int DetectUnregisterThreadCtxFuncs(DetectEngineCtx *de_ctx, void *data, const char *name)
Remove Thread keyword context registration.
#define SC_ATOMIC_GET(name)
Get the value from the atomic variable.
void DetectEngineFrameInspectEngineRegister(DetectEngineCtx *de_ctx, const char *name, int dir, InspectionBufferFrameInspectFunc Callback, AppProto alproto, uint8_t type)
register inspect engine at start up time
int DetectEngineTenantRegisterVlanId(uint32_t tenant_id, uint16_t vlan_id)
void DetectEngineSetParseMetadata(void)
bool DetectEngineContentInspection(DetectEngineCtx *de_ctx, DetectEngineThreadCtx *det_ctx, const Signature *s, const SigMatchData *smd, Packet *p, Flow *f, const uint8_t *buffer, const uint32_t buffer_len, const uint32_t stream_start_offset, const uint8_t flags, const enum DetectContentInspectionType inspection_mode)
wrapper around DetectEngineContentInspectionInternal to return true/false only
int TmThreadsCheckFlag(ThreadVars *tv, uint32_t flag)
Check if a thread flag is set.
#define SCLogNotice(...)
Macro used to log NOTICE messages.
void DetectPktMpmRegisterByParentId(DetectEngineCtx *de_ctx, const int id, const int parent_id, DetectEngineTransforms *transforms)
copy a mpm engine from parent_id, add in transforms
@ TENANT_SELECTOR_LIVEDEV
AppProto alproto
application level protocol
uint16_t StatsRegisterCounter(const char *name, struct ThreadVars_ *tv)
Registers a normal, unqualified counter.
int DetectEngineTenantUnregisterPcapFile(uint32_t tenant_id)
Signature loader statistics.
int DetectEngineInspectPktBufferGeneric(DetectEngineThreadCtx *det_ctx, const DetectEnginePktInspectionEngine *engine, const Signature *s, Packet *p, uint8_t *_alert_flags)
Do the content inspection & validation for a signature.
HashListTable * buffer_type_hash_id
DetectEngineCtx * DetectEngineGetByTenantId(uint32_t tenant_id)
uint32_t base64_decode_max_len
void InspectionBufferFree(InspectionBuffer *buffer)
void DetectPortCleanupList(const DetectEngineCtx *de_ctx, DetectPort *head)
Free a DetectPort list and each of its members.
@ DETECT_SM_LIST_SUPPRESS
InspectionBuffer * inspection_buffers
#define DEBUG_VALIDATE_BUG_ON(exp)
int DetectEngineAppInspectionEngine2Signature(DetectEngineCtx *de_ctx, Signature *s)
bool SCClassConfLoadClassificationConfigFile(DetectEngineCtx *de_ctx, FILE *fd)
Loads the Classtype info from the classification.config file.
int DetectEngineTenantUnregisterVlanId(uint32_t tenant_id, uint16_t vlan_id)
int PmqSetup(PrefilterRuleStore *pmq)
Setup a pmq.
void PatternMatchThreadDestroy(MpmThreadCtx *mpm_thread_ctx, uint16_t mpm_matcher)
void SCProfilingRuleThreadSetup(struct SCProfileDetectCtx_ *, DetectEngineThreadCtx *)
int VarNameStoreActivate(void)
uint16_t counter_mpm_list
void RuleMatchCandidateTxArrayInit(DetectEngineThreadCtx *det_ctx, uint32_t size)
void SCProfilingKeywordThreadSetup(SCProfileKeywordDetectCtx *ctx, DetectEngineThreadCtx *det_ctx)
int DetectEngineReloadIsStart(void)
int DetectRegisterThreadCtxGlobalFuncs(const char *name, void *(*InitFunc)(void *), void *data, void(*FreeFunc)(void *))
Register Thread keyword context Funcs (Global)
uint32_t tenant_array_size
struct DetectEngineTenantMapping_ * tenant_array
volatile uint8_t suricata_ctl_flags
void FlowWorkerReplaceDetectCtx(void *flow_worker, void *detect_ctx)
uint32_t StringHashDjb2(const uint8_t *data, uint32_t datalen)
int DetectEngineBufferTypeGetByIdTransforms(DetectEngineCtx *de_ctx, const int id, TransformData *transforms, int transform_cnt)
uint32_t(* TenantGetId)(const void *, const Packet *p)
void SCProfilingPrefilterThreadSetup(SCProfilePrefilterDetectCtx *ctx, DetectEngineThreadCtx *det_ctx)
void SCClassConfDeInitContext(DetectEngineCtx *de_ctx)
Releases resources used by the Classification Config API.
#define SIG_FLAG_REQUIRE_PACKET
const char * ConfNodeLookupChildValue(const ConfNode *node, const char *name)
Lookup the value of a child configuration node by name.