Go to the documentation of this file.
67 "toserver TCP packet",
68 "toclient TCP packet",
69 "toserver TCP stream",
70 "toclient TCP stream",
71 "toserver UDP packet",
72 "toclient UDP packet",
89 static void RegisterInternal(
const char *
name,
int direction,
int priority,
93 SCLogDebug(
"registering %s/%d/%d/%p/%p/%u/%d",
name, direction, priority,
94 PrefilterRegister, GetData, alproto, tx_min_progress);
96 BUG_ON(tx_min_progress >= 48);
112 RegisterInternal(
name, direction, priority, PrefilterRegister, GetData, GetMultiData,
121 am->
sm_list = (int16_t)sm_list;
127 if (GetData != NULL) {
128 am->
app_v2.GetData = GetData;
129 }
else if (GetMultiData != NULL) {
130 am->
app_v2.GetMultiData = GetMultiData;
132 am->
app_v2.alproto = alproto;
133 am->
app_v2.tx_min_progress = tx_min_progress;
139 while (t->
next != NULL) {
153 AppProto alproto,
int tx_min_progress)
156 name, direction, priority, PrefilterRegister, GetData, NULL, alproto, tx_min_progress);
161 AppProto alproto,
int tx_min_progress)
164 name, direction, priority, PrefilterRegister, NULL, GetData, alproto, tx_min_progress);
169 const int id,
const int parent_id,
172 SCLogDebug(
"registering %d/%d",
id, parent_id);
195 memcpy(&am->
transforms, transforms,
sizeof(*transforms));
200 char xforms[1024] =
"";
201 for (
int i = 0; i < transforms->
cnt; i++) {
203 (void)snprintf(ttstr,
sizeof(ttstr),
"%s,",
205 strlcat(xforms, ttstr,
sizeof(xforms));
207 xforms[strlen(xforms)-1] =
'\0';
209 size_t space =
sizeof(am->
pname) - strlen(am->
name) - 3;
210 char toprint[space + 1];
211 memset(toprint, 0x00, space + 1);
212 if (space < strlen(xforms)) {
215 strlcpy(toprint, xforms,
sizeof(toprint));
217 (void)snprintf(am->
pname,
sizeof(am->
pname),
"%s#%d (%s)",
218 am->
name, id, toprint);
220 (void)snprintf(am->
pname,
sizeof(am->
pname),
"%s#%d",
227 SCLogDebug(
"copied mpm registration for %s id %u "
228 "with parent %u and GetData %p",
240 while (list != NULL) {
260 char confstring[256] =
"detect.mpm.";
262 strlcat(confstring,
".shared",
sizeof(confstring));
296 if (mpm_ctx != NULL) {
316 SCLogDebug(
"registering %s/%d/%p/%s/%u",
name, priority, PrefilterRegister,
323 if (sm_list < 0 || sm_list > UINT16_MAX) {
331 am->
sm_list = (uint16_t)sm_list;
346 while (t->
next != NULL) {
362 SCLogDebug(
"registering %d/%d",
id, parent_id);
383 memcpy(&am->
transforms, transforms,
sizeof(*transforms));
389 SCLogDebug(
"copied mpm registration for %s id %u "
391 t->
name,
id, parent_id);
404 SCLogDebug(
"registering %s/%d/%p/%s/%u",
name, priority, PrefilterRegister,
408 if (sm_list < 0 || sm_list > UINT16_MAX) {
420 am->
sm_list = (uint16_t)sm_list;
435 if (
ConfGetBool(
"detect.mpm.frame.shared", &confshared) == 1)
449 while (t->
next != NULL) {
464 while (list != NULL) {
475 while (t->
next != NULL) {
487 char confstring[256] =
"detect.mpm.";
489 strlcat(confstring,
".shared",
sizeof(confstring));
525 if (mpm_ctx != NULL) {
547 PrefilterRegister, GetData);
566 am->
sm_list = (uint16_t)sm_list;
571 am->
pkt_v1.GetData = GetData;
577 while (t->
next != NULL) {
591 const int id,
const int parent_id,
594 SCLogDebug(
"registering %d/%d",
id, parent_id);
613 memcpy(&am->
transforms, transforms,
sizeof(*transforms));
619 SCLogDebug(
"copied mpm registration for %s id %u "
620 "with parent %u and GetData %p",
631 while (list != NULL) {
642 while (t->
next != NULL) {
654 char confstring[256] =
"detect.mpm.";
656 strlcat(confstring,
".shared",
sizeof(confstring));
690 if (mpm_ctx != NULL) {
709 char confstring[256] =
"detect.mpm.";
711 strlcat(confstring,
".shared",
sizeof(confstring));
800 if (!(s->
proto.
proto[IPPROTO_TCP / 8] & 1 << (IPPROTO_TCP % 8))) {
830 if (!(s->
proto.
proto[IPPROTO_TCP / 8] & 1 << (IPPROTO_TCP % 8))) {
856 const char *mpm_algo;
860 if ((
ConfGet(
"mpm-algo", &mpm_algo)) == 1) {
861 if (mpm_algo != NULL) {
862 #if __BYTE_ORDER == __BIG_ENDIAN
863 if (strcmp(mpm_algo,
"ac-ks") == 0) {
865 "not work on big endian systems at this time.");
868 if (strcmp(
"auto", mpm_algo) == 0) {
870 }
else if (strcmp(
"ac-bs", mpm_algo) == 0) {
871 SCLogWarning(
"mpm-algo \"ac-bs\" has been removed. See ticket #6586.");
884 #ifndef BUILD_HYPERSCAN
885 if ((strcmp(mpm_algo,
"hs") == 0)) {
886 FatalError(
"Hyperscan (hs) support for mpm-algo is "
887 "not compiled into Suricata.");
892 "in the yaml conf file: \"%s\"",
902 SCLogDebug(
"mpm_ctx %p, mpm_matcher %"PRIu16
"", mpm_ctx, mpm_matcher);
908 SCLogDebug(
"mpm_thread_ctx %p, mpm_matcher %"PRIu16
"", mpm_thread_ctx, mpm_matcher);
913 SCLogDebug(
"mpm_thread_ctx %p, type %"PRIu16, mpm_thread_ctx, mpm_matcher);
933 memset(&a, 0 ,
sizeof(a));
937 for (u = 0; u < patlen; u++) {
938 if (a[pat[u]] == 0) {
941 else if (isprint(pat[u]) || pat[u] == 0x00 || pat[u] == 0x01 || pat[u] == 0xFF)
958 uint16_t pat_offset = cd->
offset;
959 uint16_t pat_depth = cd->
depth;
962 if (chop && (pat_depth || pat_offset)) {
974 pat_depth = pat_offset = 0;
981 pat_offset, pat_depth,
986 pat_offset, pat_depth,
993 pat_offset, pat_depth,
998 pat_offset, pat_depth,
1004 #define SGH_PROTO(sgh, p) ((sgh)->init->protos[(p)] == 1)
1005 #define SGH_DIRECTION_TS(sgh) ((sgh)->init->direction & SIG_FLAG_TOSERVER)
1006 #define SGH_DIRECTION_TC(sgh) ((sgh)->init->direction & SIG_FLAG_TOCLIENT)
1010 if (s == NULL || mpm_sm == NULL)
1036 uint16_t max_len,
bool skip_negated_content)
1051 if (mpm_sm == NULL) {
1060 }
else if (ls == ss) {
1083 int pos_sm_list[nlists];
1084 int neg_sm_list[nlists];
1085 memset(pos_sm_list, 0, nlists *
sizeof(
int));
1086 memset(neg_sm_list, 0, nlists *
sizeof(
int));
1087 int pos_sm_list_cnt = 0;
1088 int neg_sm_list_cnt = 0;
1137 SetMpm(s, sm, list_id);
1142 neg_sm_list[list_id] = 1;
1145 pos_sm_list[list_id] = 1;
1153 SCLogDebug(
"neg_sm_list_cnt %d pos_sm_list_cnt %d", neg_sm_list_cnt, pos_sm_list_cnt);
1156 int *curr_sm_list = NULL;
1157 int skip_negated_content = 1;
1158 if (pos_sm_list_cnt > 0) {
1159 curr_sm_list = pos_sm_list;
1160 }
else if (neg_sm_list_cnt > 0) {
1161 curr_sm_list = neg_sm_list;
1162 skip_negated_content = 0;
1167 int final_sm_list[nlists];
1168 memset(&final_sm_list, 0, (nlists *
sizeof(
int)));
1170 int count_final_sm_list = 0;
1174 while (tmp != NULL) {
1176 tmp != NULL && priority == tmp->
priority;
1182 if (curr_sm_list[tmp->
list_id] == 0)
1184 final_sm_list[count_final_sm_list++] = tmp->
list_id;
1187 if (count_final_sm_list != 0)
1191 BUG_ON(count_final_sm_list == 0);
1192 SCLogDebug(
"count_final_sm_list %d skip_negated_content %d", count_final_sm_list,
1193 skip_negated_content);
1195 uint16_t max_len = 0;
1196 for (
int i = 0; i < count_final_sm_list; i++) {
1197 SCLogDebug(
"i %d final_sm_list[i] %d", i, final_sm_list[i]);
1215 if (final_sm_list[i] == list_id) {
1236 int mpm_sm_list = -1;
1237 for (
int i = 0; i < count_final_sm_list; i++) {
1243 skip_negated_content);
1244 if (mpm_sm != prev_mpm_sm) {
1245 mpm_sm_list = final_sm_list[i];
1252 if (final_sm_list[i] == list_id) {
1258 skip_negated_content);
1260 if (mpm_sm != prev_mpm_sm) {
1261 mpm_sm_list = list_id;
1269 if (mpm_sm != NULL) {
1270 BUG_ON(mpm_sm_list == -1);
1272 BUG_ON(check_list != mpm_sm_list);
1276 SetMpm(s, mpm_sm, mpm_sm_list);
1288 static uint32_t MpmStoreHashFunc(
HashListTable *ht,
void *data, uint16_t datalen)
1310 static char MpmStoreCompareFunc(
void *data1, uint16_t len1,
void *data2,
1340 static void MpmStoreFreeFunc(
void *ptr)
1370 MpmStoreCompareFunc,
1415 while (am != NULL) {
1423 while (am != NULL) {
1438 uint32_t appstats[app_mpms_cnt + 1];
1439 memset(&appstats, 0x00,
sizeof(appstats));
1441 uint32_t pktstats[pkt_mpms_cnt + 1];
1442 memset(&pktstats, 0x00,
sizeof(pktstats));
1444 uint32_t framestats[frame_mpms_cnt + 1];
1445 memset(&framestats, 0x00,
sizeof(framestats));
1452 if (ms == NULL || ms->
mpm_ctx == NULL) {
1462 SCLogDebug(
"%s: %u patterns. Min %u, Max %u. Ctx %p",
1470 SCLogDebug(
"%s %s %s: %u patterns. Min %u, Max %u. Ctx %p",
1491 for (
int x = 0; x <
MPMB_MAX; x++) {
1495 while (am != NULL) {
1496 if (appstats[am->
sm_list] > 0) {
1499 SCLogPerf(
"AppLayer MPM \"%s %s (%s)\": %u", direction,
name,
1505 while (pm != NULL) {
1506 if (pktstats[pm->
sm_list] > 0) {
1513 while (um != NULL) {
1514 if (framestats[um->
sm_list] > 0) {
1583 const bool mpm_supports_endswith =
1588 if (ms->
sid_array[sig / 8] & (1 << (sig % 8))) {
1608 SCLogDebug(
"not adding negated mpm as it's not 'single'");
1645 uint8_t sids_array[max_sid];
1646 memset(sids_array, 0x00, max_sid);
1647 int sgh_mpm_context = 0;
1712 sids_array[s->
num / 8] |= 1 << (s->
num % 8);
1720 sids_array[s->
num / 8] |= 1 << (s->
num % 8);
1726 sids_array[s->
num / 8] |= 1 << (s->
num % 8);
1730 sids_array[s->
num / 8] |= 1 << (s->
num % 8);
1741 MpmStore lookup = { sids_array, max_sid, direction, buf, sm_list, 0, 0, NULL };
1744 if (result == NULL) {
1748 uint8_t *sids =
SCCalloc(1, max_sid);
1754 memcpy(sids, sids_array, max_sid);
1762 MpmStoreSetup(
de_ctx, copy);
1763 MpmStoreAdd(
de_ctx, copy);
1790 0, am->
app_v2.alproto, NULL };
1795 if (result == NULL) {
1817 MpmStoreSetup(
de_ctx, copy);
1818 MpmStoreAdd(
de_ctx, copy);
1841 if (result == NULL) {
1861 MpmStoreSetup(
de_ctx, copy);
1862 MpmStoreAdd(
de_ctx, copy);
1884 if (result == NULL) {
1905 MpmStoreSetup(
de_ctx, copy);
1906 MpmStoreAdd(
de_ctx, copy);
1927 SCLogDebug(
"rule group %p has SIG_GROUP_HEAD_HAVERAWSTREAM set", sgh);
1931 SCLogDebug(
"rule group %p does NOT have SIG_GROUP_HEAD_HAVERAWSTREAM set", sgh);
1943 static uint32_t DetectBufferInstanceHashFunc(
HashListTable *ht,
void *data, uint16_t datalen)
1950 static char DetectBufferInstanceCompareFunc(
void *data1, uint16_t len1,
void *data2, uint16_t len2)
1957 static void DetectBufferInstanceFreeFunc(
void *ptr)
1969 return HashListTableInit(4096, DetectBufferInstanceHashFunc, DetectBufferInstanceCompareFunc,
1970 DetectBufferInstanceFreeFunc);
1982 memset(engines, 0,
sizeof(engines));
1983 int engines_idx[max_buffer_id];
1984 memset(engines_idx, 0,
sizeof(engines_idx));
1985 int types[max_buffer_id];
1986 memset(types, 0,
sizeof(types));
1990 types[a->sm_list] = a->type;
1994 if (instance == NULL) {
1995 instance =
SCCalloc(1,
sizeof(*instance));
1996 BUG_ON(instance == NULL);
1997 instance->
list = a->sm_list;
2007 if (add_ts || add_tc) {
2008 types[a->sm_list] = a->type;
2009 engines[a->sm_list][engines_idx[a->sm_list]++] = a->frame_v1.alproto;
2013 if (instance == NULL) {
2014 instance =
SCCalloc(1,
sizeof(*instance));
2015 BUG_ON(instance == NULL);
2016 instance->
list = a->sm_list;
2017 instance->
alproto = a->frame_v1.alproto;
2027 if (add_ts || add_tc) {
2028 types[a->sm_list] = a->type;
2029 engines[a->sm_list][engines_idx[a->sm_list]++] = a->app_v2.alproto;
2033 if (instance == NULL) {
2034 instance =
SCCalloc(1,
sizeof(*instance));
2035 BUG_ON(instance == NULL);
2036 instance->
list = a->sm_list;
2037 instance->
alproto = a->app_v2.alproto;
2045 for (uint32_t sig = 0; sig < sh->
init->
sig_cnt; sig++) {
2057 switch (types[list]) {
2061 for (
int e = 0; e < engines_idx[list]; e++) {
2062 const AppProto alproto = engines[list][e];
2068 if (instance == NULL)
2101 if (instance == NULL)
2132 if (instance == NULL) {
2139 MpmStore *mpm_store = MpmStorePrepareBufferPkt(
de_ctx, sh, a, sa);
2140 if (mpm_store != NULL) {
2143 SCLogDebug(
"a %p a->name %s a->reg->PrefilterRegisterWithListId %p "
2144 "mpm_store->mpm_ctx %p", a, a->name,
2145 a->PrefilterRegisterWithListId, mpm_store->
mpm_ctx);
2149 if (a->PrefilterRegisterWithListId && mpm_store->
mpm_ctx) {
2152 a, a->sm_list) != 0);
2153 SCLogDebug(
"mpm %s %d set up", a->name, a->sm_list);
2162 if (instance == NULL) {
2170 SCLogDebug(
"a %s direction %d PrefilterRegisterWithListId %p", a->name, a->direction,
2171 a->PrefilterRegisterWithListId);
2172 MpmStore *mpm_store = MpmStorePrepareBufferFrame(
de_ctx, sh, a, sa);
2173 if (mpm_store != NULL) {
2176 SCLogDebug(
"a %p a->name %s a->reg->PrefilterRegisterWithListId %p "
2177 "mpm_store->mpm_ctx %p",
2178 a, a->name, a->PrefilterRegisterWithListId, mpm_store->
mpm_ctx);
2183 if (a->PrefilterRegisterWithListId && mpm_store->
mpm_ctx) {
2184 BUG_ON(a->PrefilterRegisterWithListId(
2186 SCLogDebug(
"mpm %s %d set up", a->name, a->sm_list);
2197 if (instance == NULL) {
2205 MpmStore *mpm_store = MpmStorePrepareBufferAppLayer(
de_ctx, sh, a, sa);
2206 if (mpm_store != NULL) {
2209 SCLogDebug(
"a %p a->name %s a->PrefilterRegisterWithListId %p "
2210 "mpm_store->mpm_ctx %p",
2211 a, a->name, a->PrefilterRegisterWithListId, mpm_store->
mpm_ctx);
2215 if (a->PrefilterRegisterWithListId && mpm_store->
mpm_ctx) {
2216 BUG_ON(a->PrefilterRegisterWithListId(
2218 SCLogDebug(
"mpm %s %d set up", a->name, a->sm_list);
2235 if (mpm_store != NULL) {
2240 if (mpm_store != NULL) {
2244 SetRawReassemblyFlag(
de_ctx, sh);
2248 if (mpm_store != NULL) {
2253 if (mpm_store != NULL) {
2257 SetRawReassemblyFlag(
de_ctx, sh);
2259 }
else if (
SGH_PROTO(sh, IPPROTO_UDP)) {
2262 if (mpm_store != NULL) {
2268 if (mpm_store != NULL) {
2274 if (mpm_store != NULL) {
2298 static uint32_t PatternChopHashFunc(
HashListTable *ht,
void *data, uint16_t datalen)
2301 uint32_t hash = p->
sm_list + ContentFlagsForHash(p->
cd);
2303 const uint8_t *content = p->
cd->
content;
2321 static uint32_t PatternNoChopHashFunc(
HashListTable *ht,
void *data, uint16_t datalen)
2324 uint32_t hash = p->
sm_list + ContentFlagsForHash(p->
cd);
2340 static char PatternChopCompareFunc(
void *data1, uint16_t len1,
void *data2, uint16_t len2)
2348 if (ContentFlagsForHash(p1->
cd) != ContentFlagsForHash(p2->
cd))
2364 if (p1_content_len != p2_content_len)
2367 if (memcmp(p1_content, p2_content, p1_content_len) != 0) {
2385 static char PatternNoChopCompareFunc(
void *data1, uint16_t len1,
void *data2, uint16_t len2)
2393 if (ContentFlagsForHash(p1->
cd) != ContentFlagsForHash(p2->
cd))
2406 static void PatternFreeFunc(
void *ptr)
2433 HashListTableInit(4096, PatternChopHashFunc, PatternChopCompareFunc, PatternFreeFunc);
2464 SCLogDebug(
"%u: add id %u cnt %u", s->
id, add->cd->id, add->cnt);
2481 4096, PatternNoChopHashFunc, PatternNoChopCompareFunc, PatternFreeFunc);
2487 switch (smd->
type) {
2517 for (; app != NULL; app = app->
next) {
2521 switch (smd->
type) {
2526 .
cd = cd, .sm_list = app->
sm_list, .cnt = 0, .mpm = 0
2551 for (; pkt != NULL; pkt = pkt->
next) {
2558 switch (smd->
type) {
2563 .
cd = cd, .sm_list = pkt->
sm_list, .cnt = 0, .mpm = 0
2588 for (; frame != NULL; frame = frame->
next) {
2595 switch (smd->
type) {
2600 .
cd = cd, .sm_list = frame->
sm_list, .cnt = 0, .mpm = 0
void MpmInitThreadCtx(MpmThreadCtx *mpm_thread_ctx, uint16_t matcher)
#define DETECT_CONTENT_NOCASE
int SignatureHasPacketContent(const Signature *s)
check if a signature has patterns that are to be inspected against a packets payload (as opposed to t...
uint32_t pkt_mpms_list_cnt
struct DetectBufferMpmRegistry_::@82::@85 pkt_v1
#define HashListTableGetListData(hb)
uint32_t frame_mpms_list_cnt
uint32_t max_content_list_id
int PrefilterGenericMpmPktRegister(DetectEngineCtx *de_ctx, SigGroupHead *sgh, MpmCtx *mpm_ctx, const DetectBufferMpmRegistry *mpm_reg, int list_id)
void DetectAppLayerMpmMultiRegister(const char *name, int direction, int priority, PrefilterRegisterFunc PrefilterRegister, InspectionMultiBufferGetDataPtr GetData, AppProto alproto, int tx_min_progress)
#define SGH_DIRECTION_TC(sgh)
#define DETECT_CONTENT_FAST_PATTERN_CHOP
struct SigMatch_ * smlists[DETECT_SM_LIST_MAX]
void PatternMatchDestroy(MpmCtx *mpm_ctx, uint16_t mpm_matcher)
SigTableElmt * sigmatch_table
int32_t sgh_mpm_context_proto_tcp_packet
int PatternMatchPrepareGroup(DetectEngineCtx *de_ctx, SigGroupHead *sh)
Prepare the pattern matcher ctx in a sig group head.
struct SCFPSupportSMList_ * next
struct DetectEngineAppInspectionEngine_ * next
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
int ConfGetBool(const char *name, int *val)
Retrieve a configuration value as a boolean.
Container for matching data for a signature group.
HashListTable * pattern_hash_table
void MpmFactoryReClaimMpmCtx(const DetectEngineCtx *de_ctx, MpmCtx *mpm_ctx)
void MpmStoreReportStats(const DetectEngineCtx *de_ctx)
void DetectPktMpmRegister(const char *name, int priority, int(*PrefilterRegister)(DetectEngineCtx *de_ctx, SigGroupHead *sgh, MpmCtx *mpm_ctx, const DetectBufferMpmRegistry *mpm_reg, int list_id), InspectionBufferGetPktDataPtr GetData)
register a MPM engine
void DetectBufferTypeSupportsFrames(const char *name)
void DetectMpmInitializeFrameMpms(DetectEngineCtx *de_ctx)
@ DETECT_SM_LIST_DYNAMIC_START
#define DETECT_CONTENT_NO_DOUBLE_INSPECTION_REQUIRED
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)
uint32_t PatternStrength(uint8_t *pat, uint16_t patlen)
Predict a strength value for patterns.
DetectBufferMpmRegistry * pkt_mpms_list
@ DETECT_BUFFER_MPM_TYPE_FRAME
int DetectSetFastPatternAndItsId(DetectEngineCtx *de_ctx)
Figure out the FP and their respective content ids for all the sigs in the engine.
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.
main detection engine ctx
#define DETECT_CONTENT_MPM_IS_CONCLUSIVE(c)
HashListTableBucket * HashListTableGetListHead(HashListTable *ht)
#define DETECT_CONTENT_DEPTH_VAR
InspectionBuffer *(* InspectionBufferGetPktDataPtr)(struct DetectEngineThreadCtx_ *det_ctx, const DetectEngineTransforms *transforms, Packet *p, const int list_id)
const char * DetectEngineBufferTypeGetNameById(const DetectEngineCtx *de_ctx, const int id)
void DetectMpmInitializeBuiltinMpms(DetectEngineCtx *de_ctx)
struct DetectBufferMpmRegistry_ * next
#define SIG_FLAG_REQUIRE_STREAM
one time registration of keywords at start up
const struct DetectContentData_ * cd
#define SIG_GROUP_HEAD_HAVERAWSTREAM
uint8_t mpm_default_matcher
SigMatchData * sm_arrays[DETECT_SM_LIST_MAX]
void * HashListTableLookup(HashListTable *ht, void *data, uint16_t datalen)
#define SIG_FLAG_TOCLIENT
int32_t sgh_mpm_context_proto_udp_packet
DetectEngineTransforms transforms
void ShortenString(const char *input, char *output, size_t output_size, char c)
void DetectEngineRegisterFastPatternForId(DetectEngineCtx *de_ctx, int list_id, int priority)
void EngineAnalysisAddAllRulePatterns(DetectEngineCtx *de_ctx, const Signature *s)
add all patterns on our stats hash Used to fill the hash later used by DumpPatterns()
DetectEngineFrameInspectionEngine * frame_inspect
const char * cache_dir_path
int DetectBufferTypeGetByName(const char *name)
int HashListTableAdd(HashListTable *ht, void *data, uint16_t datalen)
size_t strlcpy(char *dst, const char *src, size_t siz)
void DetectAppLayerMpmRegisterByParentId(DetectEngineCtx *de_ctx, const int id, const int parent_id, DetectEngineTransforms *transforms)
copy a mpm engine from parent_id, add in transforms
@ ENGINE_SGH_MPM_FACTORY_CONTEXT_SINGLE
void MpmInitCtx(MpmCtx *mpm_ctx, uint8_t matcher)
int32_t sgh_mpm_context_proto_other_packet
int ConfGet(const char *name, const char **vptr)
Retrieve the value of a configuration node.
#define HashListTableGetListNext(hb)
#define SIG_FLAG_TOSERVER
HashListTable * HashListTableInit(uint32_t size, uint32_t(*Hash)(struct HashListTable_ *, void *, uint16_t), char(*Compare)(void *, uint16_t, void *, uint16_t), void(*Free)(void *))
void MpmDestroyThreadCtx(MpmThreadCtx *mpm_thread_ctx, const uint16_t matcher)
#define DETECT_CONTENT_ENDS_WITH
MpmCtx * MpmFactoryGetMpmCtxForProfile(const DetectEngineCtx *de_ctx, int32_t id, int direction)
void DetectMpmInitializePktMpms(DetectEngineCtx *de_ctx)
#define MPM_PATTERN_CTX_OWNS_ID
size_t strlcat(char *, const char *src, size_t siz)
#define DetectEngineGetMaxSigId(de_ctx)
#define DETECT_CONTENT_DEPTH
DetectEnginePktInspectionEngine * pkt_inspect
#define DETECT_CONTENT_IS_SINGLE(c)
#define DETECT_CONTENT_NEGATED
int PrefilterGenericMpmRegister(DetectEngineCtx *de_ctx, SigGroupHead *sgh, MpmCtx *mpm_ctx, const DetectBufferMpmRegistry *mpm_reg, int list_id)
void PatternMatchThreadPrepare(MpmThreadCtx *mpm_thread_ctx, uint16_t mpm_matcher)
#define SCLogWarning(...)
Macro used to log WARNING messages.
int DetectEngineBufferTypeRegister(DetectEngineCtx *de_ctx, const char *name)
SigGroupHeadInitData * init
void DetectAppLayerMpmRegister(const char *name, int direction, int priority, PrefilterRegisterFunc PrefilterRegister, InspectionBufferGetDataPtr GetData, AppProto alproto, int tx_min_progress)
register an app layer keyword for mpm
DetectEngineAppInspectionEngine * app_inspect
#define MPMCTX_FLAGS_GLOBAL
int(* PrefilterRegisterFunc)(DetectEngineCtx *de_ctx, SigGroupHead *sgh, MpmCtx *mpm_ctx, const DetectBufferMpmRegistry *mpm_reg, int list_id)
int32_t MpmFactoryRegisterMpmCtxProfile(DetectEngineCtx *de_ctx, const char *name, const int sm_list, const AppProto alproto)
Register a new Mpm Context.
int32_t sgh_mpm_context_stream
void DetectEngineBufferTypeSupportsFrames(DetectEngineCtx *de_ctx, const char *name)
DetectBufferMpmRegistry * frame_mpms_list
int PrefilterPktPayloadRegister(DetectEngineCtx *de_ctx, SigGroupHead *sgh, MpmCtx *mpm_ctx)
@ DETECT_BUFFER_MPM_TYPE_PKT
SignatureInitData * init_data
int FastPatternSupportEnabledForSigMatchList(const DetectEngineCtx *de_ctx, const int list_id)
Checks if a particular buffer is in the list of lists that need to be searched for a keyword that has...
struct DetectBufferMpmRegistry_::@82::@84 app_v2
enum DetectBufferMpmType type
int MpmAddPatternCS(struct MpmCtx_ *mpm_ctx, uint8_t *pat, uint16_t patlen, uint16_t offset, uint16_t depth, uint32_t pid, SigIntId sid, uint8_t flags)
void DetectEngineBufferTypeSupportsTransformations(DetectEngineCtx *de_ctx, const char *name)
#define SGH_DIRECTION_TS(sgh)
#define MPM_FEATURE_FLAG_ENDSWITH
MpmStore * MpmStorePrepareBuffer(DetectEngineCtx *de_ctx, SigGroupHead *sgh, enum MpmBuiltinBuffers buf)
Get MpmStore for a built-in buffer type.
int DetectMpmPrepareFrameMpms(DetectEngineCtx *de_ctx)
initialize mpm contexts for applayer buffers that are in "single or "shared" mode.
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)
int SignatureHasStreamContent(const Signature *s)
check if a signature has patterns that are to be inspected against the stream payload (as opposed to ...
enum DetectBufferMpmType type
int MpmStoreInit(DetectEngineCtx *de_ctx)
Initializes the MpmStore mpm hash table to be used by the detection engine context.
DetectBufferMpmRegistry * app_mpms_list
@ DETECT_BUFFER_MPM_TYPE_APP
void DetectBufferTypeSupportsMpm(const char *name)
void HashListTableFree(HashListTable *ht)
void SupportFastPatternForSigMatchList(int list_id, int priority)
Lets one add a sm list id to be searched for potential fp supported keywords later.
struct DetectEngineFrameInspectionEngine * next
struct DetectEnginePktInspectionEngine * next
uint8_t PatternMatchDefaultMatcher(void)
Function to return the multi pattern matcher algorithm to be used by the engine, based on the mpm-alg...
int DetectMpmPreparePktMpms(DetectEngineCtx *de_ctx)
initialize mpm contexts for applayer buffers that are in "single or "shared" mode.
void DetectEngineBufferTypeSupportsMpm(DetectEngineCtx *de_ctx, const char *name)
uint32_t app_mpms_list_cnt
void DetectBufferTypeSupportsTransformations(const char *name)
#define MPM_PATTERN_FLAG_ENDSWITH
const char * builtin_mpms[]
SignatureInitDataBuffer * buffers
HashListTable * mpm_hash_table
int(* Prepare)(MpmConfig *, struct MpmCtx_ *)
void(* DestroyCtx)(struct MpmCtx_ *)
int SigMatchListSMBelongsTo(const Signature *s, const SigMatch *key_sm)
#define MPM_CTX_FACTORY_UNIQUE_CONTEXT
int DetectMpmPrepareBuiltinMpms(DetectEngineCtx *de_ctx)
initialize mpm contexts for builtin buffers that are in "single or "shared" mode.
#define DETECT_CONTENT_OFFSET
int(* PrefilterRegisterWithListId)(struct DetectEngineCtx_ *de_ctx, struct SigGroupHead_ *sgh, MpmCtx *mpm_ctx, const struct DetectBufferMpmRegistry_ *mpm_reg, int list_id)
#define DETECT_CONTENT_MPM
a single match condition for a signature
struct DetectBufferMpmRegistry_::@82::@86 frame_v1
MpmTableElmt mpm_table[MPM_TABLE_SIZE]
void DetectMpmInitializeAppMpms(DetectEngineCtx *de_ctx)
@ DETECT_BUFFER_MPM_TYPE_SIZE
#define SGH_PROTO(sgh, p)
#define DETECT_CONTENT_REPLACE
void DetectPktMpmRegisterByParentId(DetectEngineCtx *de_ctx, const int id, const int parent_id, DetectEngineTransforms *transforms)
copy a mpm engine from parent_id, add in transforms
#define DETECT_CONTENT_FAST_PATTERN
#define MPMCTX_FLAGS_CACHE_TO_DISK
void DetectFrameMpmRegister(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)
register a MPM engine
struct DetectBufferInstance DetectBufferInstance
int MpmAddPatternCI(struct MpmCtx_ *mpm_ctx, uint8_t *pat, uint16_t patlen, uint16_t offset, uint16_t depth, uint32_t pid, SigIntId sid, uint8_t flags)
#define SCMemcmp(a, b, c)
int DetectMpmPrepareAppMpms(DetectEngineCtx *de_ctx)
initialize mpm contexts for applayer buffers that are in "single or "shared" mode.
SCFPSupportSMList * fp_support_smlist_list
#define DEBUG_VALIDATE_BUG_ON(exp)
void PatternMatchThreadDestroy(MpmThreadCtx *mpm_thread_ctx, uint16_t mpm_matcher)
enum MpmBuiltinBuffers buffer
void RetrieveFPForSig(const DetectEngineCtx *de_ctx, Signature *s)
uint32_t StringHashDjb2(const uint8_t *data, uint32_t datalen)
int PrefilterPktStreamRegister(DetectEngineCtx *de_ctx, SigGroupHead *sgh, MpmCtx *mpm_ctx)
#define DETECT_CONTENT_OFFSET_VAR
#define SIG_FLAG_REQUIRE_PACKET