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-fast-pattern.h"
#include "util-error.h"
#include "util-byte.h"
#include "util-debug.h"
#include "util-unittest.h"
#include "util-unittest-helper.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 list(Signature->sm_lists[]) 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	SupportFastPatternForSigMatchTypes (void)
	Registers the keywords(SMs) that should be given fp support. More...
void	DetectFastPatternRegister (void)
	Registration function for fast_pattern keyword. More...

Variables
SCFPSupportSMList *	sm_fp_support_smlist_list = NULL

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 42 of file detect-fast-pattern.c.

Function Documentation

DetectFastPatternRegister()

void DetectFastPatternRegister

(

void

)

Registration function for fast_pattern keyword.

Definition at line 167 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 list(Signature->sm_lists[]) 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 63 of file detect-fast-pattern.c.

References de_ctx, DETECT_SM_LIST_PMATCH, DetectBufferTypeSupportsMpmGetById(), SCFPSupportSMList_::list_id, SCFPSupportSMList_::next, and sm_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 93 of file detect-fast-pattern.c.

References SCFPSupportSMList_::next, SCLogDebug, SCMalloc, sm_fp_support_smlist_list, and unlikely.

Referenced by DetectAppLayerMpmRegisterByParentId(), DetectPktMpmRegisterByParentId(), and SupportFastPatternForSigMatchTypes().

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SupportFastPatternForSigMatchTypes()

void SupportFastPatternForSigMatchTypes

(

void

)

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

Definition at line 146 of file detect-fast-pattern.c.

References DETECT_SM_LIST_PMATCH, SCFPSupportSMList_::list_id, SCFPSupportSMList_::next, SCFPSupportSMList_::priority, sm_fp_support_smlist_list, and SupportFastPatternForSigMatchList().

Referenced by GlobalsInitPreConfig().

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Variable Documentation

sm_fp_support_smlist_list

SCFPSupportSMList* sm_fp_support_smlist_list = NULL

Definition at line 52 of file detect-fast-pattern.c.

Referenced by FastPatternSupportEnabledForSigMatchList(), SupportFastPatternForSigMatchList(), and SupportFastPatternForSigMatchTypes().