detect-fast-pattern.c File Reference

#include "suricata-common.h"
#include "detect.h"
#include "flow.h"
#include "detect-content.h"
#include "detect-parse.h"
#include "detect-engine.h"
#include "detect-engine-mpm.h"
#include "detect-engine-build.h"
#include "detect-fast-pattern.h"
#include "util-error.h"
#include "util-byte.h"
#include "util-debug.h"
#include "util-unittest.h"
#include "util-unittest-helper.h"
#include "detect-engine-alert.h"

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Macros
#define	PARSE_REGEX   "^(\\s*only\\s*)|\\s*([0-9]+)\\s*,\\s*([0-9]+)\\s*$"

Functions
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 fp support. More...
void	SupportFastPatternForSigMatchList (int list_id, int priority)
	Lets one add a sm list id to be searched for potential fp supported keywords later. More...
void	DetectEngineRegisterFastPatternForId (DetectEngineCtx *de_ctx, int list_id, int priority)
void	SupportFastPatternForSigMatchTypes (void)
	Registers the keywords(SMs) that should be given fp support. More...
void	DetectEngineInitializeFastPatternList (DetectEngineCtx *de_ctx)
void	DetectEngineFreeFastPatternList (DetectEngineCtx *de_ctx)
void	DetectFastPatternRegister (void)
	Registration function for fast_pattern keyword. More...

Detailed Description

Author

Anoop Saldanha anoop.nosp@m.sald.nosp@m.anha@.nosp@m.gmai.nosp@m.l.com

Implements the fast_pattern keyword

Definition in file detect-fast-pattern.c.

Macro Definition Documentation

PARSE_REGEX

#define PARSE_REGEX   "^(\\s*only\\s*)|\\s*([0-9]+)\\s*,\\s*([0-9]+)\\s*$"

Definition at line 43 of file detect-fast-pattern.c.

Function Documentation

DetectEngineFreeFastPatternList()

void DetectEngineFreeFastPatternList

(

DetectEngineCtx *

de_ctx

)

Definition at line 172 of file detect-fast-pattern.c.

References de_ctx, DetectEngineCtx_::fp_support_smlist_list, next, HtpBodyChunk_::next, and SCFree.

Referenced by DetectEngineCtxFree().

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DetectEngineInitializeFastPatternList()

void DetectEngineInitializeFastPatternList

(

DetectEngineCtx *

de_ctx

)

Definition at line 150 of file detect-fast-pattern.c.

DetectEngineRegisterFastPatternForId()

void DetectEngineRegisterFastPatternForId	(	DetectEngineCtx *	de_ctx,
		int	list_id,
		int	priority
	)

Definition at line 135 of file detect-fast-pattern.c.

Referenced by DetectAppLayerMpmRegisterByParentId(), DetectEngineFrameMpmRegister(), DetectFrameMpmRegisterByParentId(), and DetectPktMpmRegisterByParentId().

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DetectFastPatternRegister()

void DetectFastPatternRegister

(

void

)

Registration function for fast_pattern keyword.

Definition at line 185 of file detect-fast-pattern.c.

References SigTableElmt_::desc, DETECT_FAST_PATTERN, SigTableElmt_::Match, SigTableElmt_::name, SigTableElmt_::Setup, sigmatch_table, and SigTableElmt_::url.

Referenced by SigTableSetup().

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FastPatternSupportEnabledForSigMatchList()

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 fp support.

Parameters

list_id

The list id.

Return values

1	If supported.
0	If not.

Definition at line 64 of file detect-fast-pattern.c.

References de_ctx, DETECT_SM_LIST_PMATCH, DetectEngineBufferTypeSupportsMpmGetById(), and DetectEngineCtx_::fp_support_smlist_list.

Referenced by RetrieveFPForSig().

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SupportFastPatternForSigMatchList()

void SupportFastPatternForSigMatchList	(	int	list_id,
		int	priority
	)

Lets one add a sm list id to be searched for potential fp supported keywords later.

Parameters

list_id	SM list id.
priority	Priority for this list.

Definition at line 130 of file detect-fast-pattern.c.

Referenced by SupportFastPatternForSigMatchTypes().

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SupportFastPatternForSigMatchTypes()

void SupportFastPatternForSigMatchTypes

(

void

)

Registers the keywords(SMs) that should be given fp support.

Definition at line 143 of file detect-fast-pattern.c.

References DETECT_SM_LIST_PMATCH, and SupportFastPatternForSigMatchList().

Referenced by GlobalsInitPreConfig().

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