Functions
void	PacketCreateMask (Packet p, SignatureMask mask, AppProto alproto, bool app_decoder_events)

int	SignatureIsFilestoring (const Signature *)
	Check if a signature contains the filestore keyword. More...

int	SignatureIsFilemagicInspecting (const Signature *)
	Check if a signature contains the filemagic keyword. More...

int	SignatureIsFileMd5Inspecting (const Signature *)
	Check if a signature contains the filemd5 keyword. More...

int	SignatureIsFileSha1Inspecting (const Signature *s)
	Check if a signature contains the filesha1 keyword. More...

int	SignatureIsFileSha256Inspecting (const Signature *s)
	Check if a signature contains the filesha256 keyword. More...

int	SignatureIsFilesizeInspecting (const Signature *)
	Check if a signature contains the filesize keyword. More...

void	SignatureSetType (DetectEngineCtx de_ctx, Signature s)

int	SigPrepareStage1 (DetectEngineCtx *de_ctx)
	Preprocess signature, classify ip-only, etc, build sig array. More...

int	SigPrepareStage2 (DetectEngineCtx *de_ctx)
	Fill the global src group head, with the sigs included. More...

int	SigPrepareStage3 (DetectEngineCtx *de_ctx)

int	SigPrepareStage4 (DetectEngineCtx *de_ctx)
	finalize preparing sgh's More...

int	SigAddressCleanupStage1 (DetectEngineCtx *de_ctx)

void	SigCleanSignatures (DetectEngineCtx *)

int	SigGroupBuild (DetectEngineCtx *)
	Convert the signature list into the runtime match structure. More...

int	SigGroupCleanup (DetectEngineCtx *de_ctx)

Function Documentation

◆ PacketCreateMask()

void PacketCreateMask	(	Packet *	p,
		SignatureMask *	mask,
		AppProto	alproto,
		bool	app_decoder_events
	)

Definition at line 407 of file detect-engine-build.c.

References Packet_::app_layer_events, AppLayerDecoderEvents_::cnt, PacketEngineEvents_::cnt, Packet_::events, Packet_::flags, Packet_::payload_len, PKT_DETECT_HAS_STREAMDATA, PKT_IS_PSEUDOPKT, PKT_NOPAYLOAD_INSPECTION, SCLogDebug, SIG_MASK_REQUIRE_ENGINE_EVENT, SIG_MASK_REQUIRE_NO_PAYLOAD, SIG_MASK_REQUIRE_PAYLOAD, and SIG_MASK_REQUIRE_REAL_PKT.

◆ SigAddressCleanupStage1()

int SigAddressCleanupStage1 ( DetectEngineCtx * de_ctx )

Definition at line 1927 of file detect-engine-build.c.

References BUG_ON, de_ctx, DetectEngineCtx_::decoder_event_sgh, DetectPortCleanupList(), DetectEngineCtx_::flow_gh, FLOW_STATES, DetectEngineCtx_::io_ctx, IPOnlyDeinit(), SCFree, SCLogDebug, DetectEngineLookupFlow_::sgh, DetectEngineCtx_::sgh_array, DetectEngineCtx_::sgh_array_cnt, DetectEngineCtx_::sgh_array_size, SigGroupHeadFree(), DetectEngineLookupFlow_::tcp, and DetectEngineLookupFlow_::udp.

Referenced by SigGroupCleanup().

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◆ SigCleanSignatures()

void SigCleanSignatures ( DetectEngineCtx * )

Definition at line 55 of file detect-engine-build.c.

References de_ctx, DetectEngineResetMaxSigId(), Signature_::next, DetectEngineCtx_::sig_list, and SigFree().

Referenced by DetectEngineCtxFree(), and UTHPacketMatchSig().

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◆ SigGroupBuild()

int SigGroupBuild ( DetectEngineCtx * de_ctx )

Convert the signature list into the runtime match structure.

Parameters

de_ctx Pointer to the Detection Engine Context whose Signatures have to be processed

Return values

0	On Success.
-1	On failure.

Definition at line 2144 of file detect-engine-build.c.

References de_ctx, DetectSetFastPatternAndItsId(), Signature_::next, Signature_::num, DetectEngineCtx_::sig_list, and DetectEngineCtx_::signum.

Referenced by UTHMatchPackets(), UTHMatchPacketsWithResults(), UTHPacketMatchSig(), and UTHPacketMatchSigMpm().

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◆ SigGroupCleanup()

int SigGroupCleanup ( DetectEngineCtx * de_ctx )

Definition at line 2211 of file detect-engine-build.c.

References de_ctx, and SigAddressCleanupStage1().

Referenced by DetectEngineCtxFree(), UTHMatchPackets(), and UTHPacketMatchSig().

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◆ SignatureIsFilemagicInspecting()

int SignatureIsFilemagicInspecting ( const Signature * s )

Check if a signature contains the filemagic keyword.

Parameters

s signature

Return values

0	no
1	yes

Definition at line 119 of file detect-engine-build.c.

References Signature_::file_flags, and FILE_SIG_NEED_MAGIC.

Referenced by SigGroupHeadSetupFiles().

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◆ SignatureIsFileMd5Inspecting()

int SignatureIsFileMd5Inspecting ( const Signature * s )

Check if a signature contains the filemd5 keyword.

Parameters

s signature

Return values

0	no
1	yes

Definition at line 138 of file detect-engine-build.c.

References Signature_::file_flags, and FILE_SIG_NEED_MD5.

Referenced by SigGroupHeadSetupFiles().

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◆ SignatureIsFileSha1Inspecting()

int SignatureIsFileSha1Inspecting ( const Signature * s )

Check if a signature contains the filesha1 keyword.

Parameters

s signature

Return values

0	no
1	yes

Definition at line 154 of file detect-engine-build.c.

References Signature_::file_flags, and FILE_SIG_NEED_SHA1.

Referenced by SigGroupHeadSetupFiles().

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◆ SignatureIsFileSha256Inspecting()

int SignatureIsFileSha256Inspecting ( const Signature * s )

Check if a signature contains the filesha256 keyword.

Parameters

s signature

Return values

0	no
1	yes

Definition at line 170 of file detect-engine-build.c.

References Signature_::file_flags, and FILE_SIG_NEED_SHA256.

Referenced by SigGroupHeadSetupFiles().

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◆ SignatureIsFilesizeInspecting()

int SignatureIsFilesizeInspecting ( const Signature * s )

Check if a signature contains the filesize keyword.

Parameters

s signature

Return values

0	no
1	yes

Definition at line 186 of file detect-engine-build.c.

References Signature_::file_flags, and FILE_SIG_NEED_SIZE.

Referenced by SigGroupHeadSetupFiles().

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◆ SignatureIsFilestoring()

int SignatureIsFilestoring ( const Signature * s )

Check if a signature contains the filestore keyword.

Parameters

s signature

Return values

0	no
1	yes

Definition at line 100 of file detect-engine-build.c.

References Signature_::flags, and SIG_FLAG_FILESTORE.

Referenced by SigGroupHeadSetupFiles().

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◆ SignatureSetType()

void SignatureSetType	(	DetectEngineCtx *	de_ctx,
		Signature *	s
	)

Definition at line 1642 of file detect-engine-build.c.

References BUG_ON, SIG_TYPE_NOT_SET, and Signature_::type.

◆ SigPrepareStage1()

int SigPrepareStage1 ( DetectEngineCtx * de_ctx )

Preprocess signature, classify ip-only, etc, build sig array.

Parameters

de_ctx Pointer to the Detection Engine Context

Return values

0	on success
-1	on failure

Definition at line 1715 of file detect-engine-build.c.

◆ SigPrepareStage2()

int SigPrepareStage2 ( DetectEngineCtx * de_ctx )

Fill the global src group head, with the sigs included.

Parameters

de_ctx Pointer to the Detection Engine Context whose Signatures have to be processed

Return values

0	On success
-1	On failure

Definition at line 1880 of file detect-engine-build.c.

References de_ctx, DetectEngineCtx_::flow_gh, DetectEngineCtx_::io_ctx, IPOnlyInit(), SCLogDebug, and DetectEngineLookupFlow_::tcp.

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◆ SigPrepareStage3()

int SigPrepareStage3 ( DetectEngineCtx * de_ctx )

Definition at line 1920 of file detect-engine-build.c.

◆ SigPrepareStage4()

int SigPrepareStage4 ( DetectEngineCtx * de_ctx )

finalize preparing sgh's

Definition at line 2001 of file detect-engine-build.c.

References cnt, ConfGetBool(), de_ctx, DetectEngineCtx_::decoder_event_sgh, SigGroupHead_::filestore_cnt, SigGroupHead_::id, MpmStoreReportStats(), PrefilterSetupRuleGroup(), SCEnter, SCLogDebug, SCLogPerf, DetectEngineCtx_::sgh_array, DetectEngineCtx_::sgh_array_cnt, SigGroupHeadBuildNonPrefilterArray(), and SigGroupHeadSetupFiles().

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Functions

Function Documentation

◆ PacketCreateMask()

◆ SigAddressCleanupStage1()

◆ SigCleanSignatures()

◆ SigGroupBuild()

◆ SigGroupCleanup()

◆ SignatureIsFilemagicInspecting()

◆ SignatureIsFileMd5Inspecting()

◆ SignatureIsFileSha1Inspecting()

◆ SignatureIsFileSha256Inspecting()

◆ SignatureIsFilesizeInspecting()

◆ SignatureIsFilestoring()

◆ SignatureSetType()

◆ SigPrepareStage1()

◆ SigPrepareStage2()

◆ SigPrepareStage3()

◆ SigPrepareStage4()