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Data Structures | Typedefs | Functions
detect-engine-prefilter.h File Reference
#include "detect-engine-state.h"
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Data Structures

struct  PrefilterStore_
 

Typedefs

typedef struct PrefilterStore_ PrefilterStore
 

Functions

void Prefilter (DetectEngineThreadCtx *, const SigGroupHead *, Packet *p, const uint8_t flags)
 
int PrefilterAppendEngine (DetectEngineCtx *de_ctx, SigGroupHead *sgh, void(*Prefilter)(DetectEngineThreadCtx *det_ctx, Packet *p, const void *pectx), void *pectx, void(*FreeFunc)(void *pectx), const char *name)
 
int PrefilterAppendPayloadEngine (DetectEngineCtx *de_ctx, SigGroupHead *sgh, void(*Prefilter)(DetectEngineThreadCtx *det_ctx, Packet *p, const void *pectx), void *pectx, void(*FreeFunc)(void *pectx), const char *name)
 
int PrefilterAppendTxEngine (DetectEngineCtx *de_ctx, SigGroupHead *sgh, void(*PrefilterTx)(DetectEngineThreadCtx *det_ctx, const void *pectx, Packet *p, Flow *f, void *tx, const uint64_t idx, const uint8_t flags), const AppProto alproto, const int tx_min_progress, void *pectx, void(*FreeFunc)(void *pectx), const char *name)
 
void DetectRunPrefilterTx (DetectEngineThreadCtx *det_ctx, const SigGroupHead *sgh, Packet *p, const uint8_t ipproto, const uint8_t flow_flags, const AppProto alproto, void *alstate, DetectTransaction *tx)
 run prefilter engines on a transaction More...
 
void PrefilterFreeEnginesList (PrefilterEngineList *list)
 
void PrefilterSetupRuleGroup (DetectEngineCtx *de_ctx, SigGroupHead *sgh)
 
void PrefilterCleanupRuleGroup (const DetectEngineCtx *de_ctx, SigGroupHead *sgh)
 
const char * PrefilterStoreGetName (const uint32_t id)
 
void PrefilterInit (DetectEngineCtx *de_ctx)
 
void PrefilterDeinit (DetectEngineCtx *de_ctx)
 
int PrefilterGenericMpmRegister (DetectEngineCtx *de_ctx, SigGroupHead *sgh, MpmCtx *mpm_ctx, const DetectMpmAppLayerRegistery *mpm_reg, int list_id)
 

Detailed Description

Author
Victor Julien victo.nosp@m.r@in.nosp@m.linia.nosp@m.c.ne.nosp@m.t

Definition in file detect-engine-prefilter.h.

Typedef Documentation

typedef struct PrefilterStore_ PrefilterStore

Function Documentation

void DetectRunPrefilterTx ( DetectEngineThreadCtx *  det_ctx,
const SigGroupHead *  sgh,
Packet *  p,
const uint8_t  ipproto,
const uint8_t  flow_flags,
const AppProto  alproto,
void *  alstate,
DetectTransaction *  tx 
)

run prefilter engines on a transaction

Definition at line 90 of file detect-engine-prefilter.c.

References PrefilterEngine_::alproto, PrefilterEngine_::cb, Packet_::flow, PrefilterEngine_::gid, PrefilterEngine_::is_last, likely, PrefilterEngine_::local_id, next, PACKET_PROFILING_DETECT_END, PACKET_PROFILING_DETECT_START, PrefilterEngine_::pectx, DetectEngineThreadCtx_::pmq, DetectTransaction_::prefilter_flags, PREFILTER_PROFILING_END, PREFILTER_PROFILING_START, PrefilterEngine_::PrefilterTx, PROF_DETECT_PF_SORT1, PrefilterRuleStore_::rule_id_array, PrefilterRuleStore_::rule_id_array_cnt, SCLogDebug, SigGroupHead_::tx_engines, DetectTransaction_::tx_id, PrefilterEngine_::tx_min_progress, DetectTransaction_::tx_progress, and DetectTransaction_::tx_ptr.

void Prefilter ( DetectEngineThreadCtx *  ,
const SigGroupHead *  ,
Packet *  p,
const uint8_t  flags 
)

Definition at line 139 of file detect-engine-prefilter.c.

References PrefilterEngine_::cb, Packet_::flags, PrefilterEngine_::gid, PrefilterEngine_::is_last, likely, PACKET_PROFILING_DETECT_END, PACKET_PROFILING_DETECT_START, SigGroupHead_::payload_engines, Packet_::payload_len, PrefilterEngine_::pectx, PKT_DETECT_HAS_STREAMDATA, SigGroupHead_::pkt_engines, PKT_NOPAYLOAD_INSPECTION, DetectEngineThreadCtx_::pmq, PrefilterEngine_::Prefilter, PREFILTER_PROFILING_END, PREFILTER_PROFILING_START, PROF_DETECT_PF_PAYLOAD, PROF_DETECT_PF_PKT, PROF_DETECT_PF_SORT1, PrefilterRuleStore_::rule_id_array, PrefilterRuleStore_::rule_id_array_cnt, SCEnter, and SCReturn.

Referenced by SigMatchSignaturesGetSgh().

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int PrefilterAppendEngine ( DetectEngineCtx *  de_ctx,
SigGroupHead *  sgh,
void(*)(DetectEngineThreadCtx *det_ctx, Packet *p, const void *pectx)  Prefilter,
void *  pectx,
void(*)(void *pectx)  FreeFunc,
const char *  name 
)

Definition at line 189 of file detect-engine-prefilter.c.

References CLS, PrefilterEngineList_::Free, PrefilterEngineList_::gid, PrefilterEngineList_::id, SigGroupHead_::init, PrefilterEngineList_::name, PrefilterEngineList_::next, PrefilterEngineList_::pectx, SigGroupHeadInitData_::pkt_engines, PrefilterEngineList_::Prefilter, and SCMallocAligned.

int PrefilterAppendPayloadEngine ( DetectEngineCtx *  de_ctx,
SigGroupHead *  sgh,
void(*)(DetectEngineThreadCtx *det_ctx, Packet *p, const void *pectx)  Prefilter,
void *  pectx,
void(*)(void *pectx)  FreeFunc,
const char *  name 
)

Definition at line 223 of file detect-engine-prefilter.c.

References CLS, PrefilterEngineList_::Free, PrefilterEngineList_::gid, PrefilterEngineList_::id, SigGroupHead_::init, PrefilterEngineList_::name, PrefilterEngineList_::next, SigGroupHeadInitData_::payload_engines, PrefilterEngineList_::pectx, PrefilterEngineList_::Prefilter, and SCMallocAligned.

Referenced by PrefilterPktPayloadRegister(), and PrefilterPktStreamRegister().

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int PrefilterAppendTxEngine ( DetectEngineCtx *  de_ctx,
SigGroupHead *  sgh,
void(*)(DetectEngineThreadCtx *det_ctx, const void *pectx, Packet *p, Flow *f, void *tx, const uint64_t idx, const uint8_t flags)  PrefilterTx,
const AppProto  alproto,
const int  tx_min_progress,
void *  pectx,
void(*)(void *pectx)  FreeFunc,
const char *  name 
)

Definition at line 257 of file detect-engine-prefilter.c.

References PrefilterEngineList_::alproto, CLS, PrefilterEngineList_::Free, PrefilterEngineList_::gid, PrefilterEngineList_::id, SigGroupHead_::init, PrefilterEngineList_::name, PrefilterEngineList_::next, PrefilterEngineList_::pectx, PrefilterEngineList_::PrefilterTx, SCFreeAligned, SCMallocAligned, SigGroupHeadInitData_::tx_engines, and PrefilterEngineList_::tx_min_progress.

Referenced by DetectHttpResponseLineRegister(), PrefilterGenericMpmRegister(), and PrefilterMpmFiledataRegister().

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void PrefilterCleanupRuleGroup ( const DetectEngineCtx *  de_ctx,
SigGroupHead *  sgh 
)

Definition at line 332 of file detect-engine-prefilter.c.

References SigGroupHead_::payload_engines, SigGroupHead_::pkt_engines, and SigGroupHead_::tx_engines.

Referenced by SigGroupHeadFree().

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void PrefilterDeinit ( DetectEngineCtx *  de_ctx)

Definition at line 480 of file detect-engine-prefilter.c.

References HashListTableFree(), and DetectEngineCtx_::prefilter_hash_table.

Referenced by InspectionBufferApplyTransforms().

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void PrefilterFreeEnginesList ( PrefilterEngineList *  list)

Definition at line 304 of file detect-engine-prefilter.c.

References PrefilterStore_::FreeFunc, PrefilterEngine_::gid, PrefilterEngine_::is_last, next, PrefilterEngineList_::next, PrefilterEngine_::pectx, and SCFreeAligned.

Referenced by SigGroupHeadInitDataFree().

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int PrefilterGenericMpmRegister ( DetectEngineCtx *  de_ctx,
SigGroupHead *  sgh,
MpmCtx *  mpm_ctx,
const DetectMpmAppLayerRegistery *  mpm_reg,
int  list_id 
)

Definition at line 608 of file detect-engine-prefilter.c.

References DetectMpmAppLayerRegistery_::alproto, PrefilterMpmCtx::GetData, DetectMpmAppLayerRegistery_::GetData, PrefilterMpmCtx::list_id, PrefilterMpmCtx::mpm_ctx, DetectMpmAppLayerRegistery_::pname, PrefilterAppendTxEngine(), SCCalloc, SCEnter, SCFree, PrefilterMpmCtx::transforms, DetectMpmAppLayerRegistery_::transforms, DetectMpmAppLayerRegistery_::tx_min_progress, and DetectMpmAppLayerRegistery_::v2.

Referenced by DetectAppLayerMpmRegister2(), DetectFiledataRegister(), DetectHttpClientBodyRegister(), DetectHttpCookieRegister(), DetectHttpHHRegister(), DetectHttpMethodRegister(), DetectHttpRequestLineRegister(), DetectHttpStatCodeRegister(), DetectHttpStatMsgRegister(), DetectHttpUARegister(), DetectHttpUriRegister(), DetectSmbNamedPipeRegister(), DetectTemplateBufferRegister(), DetectTlsFingerprintRegister(), DetectTlsIssuerRegister(), DetectTlsJa3HashRegister(), DetectTlsJa3StringRegister(), DetectTlsSerialRegister(), DetectTlsSniRegister(), and DetectTlsSubjectRegister().

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void PrefilterInit ( DetectEngineCtx *  de_ctx)

Definition at line 487 of file detect-engine-prefilter.c.

References BUG_ON, PrefilterStore_::FreeFunc, HashListTableAdd(), HashListTableGetListData, HashListTableGetListHead(), HashListTableGetListNext, HashListTableInit(), HashListTableLookup(), PrefilterStore_::id, PrefilterStore_::name, DetectEngineCtx_::prefilter_hash_table, DetectEngineCtx_::prefilter_id, SCCalloc, SCFree, and SCLogDebug.

Referenced by InspectionBufferApplyTransforms().

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void PrefilterSetupRuleGroup ( DetectEngineCtx *  de_ctx,
SigGroupHead *  sgh 
)

Definition at line 348 of file detect-engine-prefilter.c.

References PrefilterEngineList_::alproto, PrefilterEngine_::alproto, HashListTable_::array_size, BUG_ON, PrefilterEngine_::cb, CLS, DETECT_PREFILTER_AUTO, DETECT_TBLSIZE, PrefilterEngineList_::gid, PrefilterEngine_::gid, PrefilterEngineList_::id, SigGroupHead_::init, PrefilterEngine_::is_last, PrefilterEngine_::local_id, MAX, PrefilterStore_::name, PrefilterEngineList_::next, PatternMatchPrepareGroup(), SigGroupHeadInitData_::payload_engines, SigGroupHead_::payload_engines, PrefilterEngineList_::pectx, PrefilterEngine_::pectx, SigGroupHeadInitData_::pkt_engines, SigGroupHead_::pkt_engines, PrefilterEngineList_::Prefilter, PrefilterEngine_::Prefilter, DetectEngineCtx_::prefilter_maxid, DetectEngineCtx_::prefilter_setting, PrefilterEngineList_::PrefilterTx, PrefilterEngine_::PrefilterTx, SCFree, SCLogDebug, SCMallocAligned, SigTableElmt_::SetupPrefilter, sigmatch_table, DetectEngineCtx_::sm_types_prefilter, TRUE, SigGroupHeadInitData_::tx_engines, SigGroupHead_::tx_engines, PrefilterEngineList_::tx_min_progress, and PrefilterEngine_::tx_min_progress.

Referenced by SigAddressPrepareStage4().

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const char* PrefilterStoreGetName ( const uint32_t  id)

Definition at line 552 of file detect-engine-prefilter.c.