util-var-name.c File Reference

#include "suricata-common.h"
#include "detect.h"
#include "util-hashlist.h"
#include "util-var-name.h"

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Data Structures
struct	VarNameStore_
struct	VariableName_
	Name2idx mapping structure for flowbits, flowvars and pktvars. More...

Macros
#define	VARNAME_HASHSIZE   0x1000
#define	VARID_HASHSIZE   0x1000

Typedefs
typedef struct VarNameStore_	VarNameStore
typedef struct VariableName_	VariableName
	Name2idx mapping structure for flowbits, flowvars and pktvars. More...

Functions
	SC_ATOMIC_DECLARE (VarNameStore *, g_varnamestore_current)
int	VarNameStoreSetupStaging (uint32_t de_ctx_version)
	setup staging store. Include current store if there is one. More...
const char *	VarNameStoreLookupById (const uint32_t id, const enum VarTypes type)
uint32_t	VarNameStoreLookupByName (const char *name, const enum VarTypes type)
uint32_t	VarNameStoreSetupAdd (const char *name, const enum VarTypes type)
	add to staging or return existing id if already in there More...
char *	VarNameStoreSetupLookup (uint32_t idx, const enum VarTypes type)
void	VarNameStoreActivateStaging (void)
void	VarNameStoreFreeOld (void)
void	VarNameStoreFree (uint32_t de_ctx_version)

Detailed Description

Author

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

Generic variable name utility functions

Definition in file util-var-name.c.

Macro Definition Documentation

VARID_HASHSIZE

#define VARID_HASHSIZE   0x1000

Definition at line 70 of file util-var-name.c.

VARNAME_HASHSIZE

#define VARNAME_HASHSIZE   0x1000

Definition at line 69 of file util-var-name.c.

Typedef Documentation

VariableName

typedef struct VariableName_ VariableName

Name2idx mapping structure for flowbits, flowvars and pktvars.

VarNameStore

typedef struct VarNameStore_ VarNameStore

Function Documentation

SC_ATOMIC_DECLARE()

SC_ATOMIC_DECLARE	(	VarNameStore *	,
		g_varnamestore_current
	)

VarNameStoreActivateStaging()

void VarNameStoreActivateStaging

(

void

)

Definition at line 340 of file util-var-name.c.

References SCMutexLock.

VarNameStoreFree()

void VarNameStoreFree

(

uint32_t

de_ctx_version

)

Definition at line 364 of file util-var-name.c.

References SCLogDebug, and SCMutexLock.

VarNameStoreFreeOld()

void VarNameStoreFreeOld

(

void

)

Definition at line 353 of file util-var-name.c.

References SCMutexLock.

VarNameStoreLookupById()

const char* VarNameStoreLookupById	(	const uint32_t	id,
		const enum VarTypes	type
	)

Definition at line 297 of file util-var-name.c.

References BUG_ON, HashListTableLookup(), VarNameStore_::ids, VariableName_::name, SC_ATOMIC_GET, and type.

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VarNameStoreLookupByName()

uint32_t VarNameStoreLookupByName	(	const char *	name,
		const enum VarTypes	type
	)

Definition at line 309 of file util-var-name.c.

References BUG_ON, HashListTableLookup(), VariableName_::idx, VarNameStore_::names, SC_ATOMIC_GET, SCLogDebug, and type.

Referenced by DetectFlowintMatch().

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VarNameStoreSetupAdd()

uint32_t VarNameStoreSetupAdd	(	const char *	name,
		const enum VarTypes	type
	)

add to staging or return existing id if already in there

Definition at line 323 of file util-var-name.c.

References SCMutexLock.

VarNameStoreSetupLookup()

char* VarNameStoreSetupLookup	(	uint32_t	idx,
		const enum VarTypes	type
	)

Definition at line 332 of file util-var-name.c.

References SCMutexLock.

Referenced by DetectFlowbitsAnalyze().

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VarNameStoreSetupStaging()

int VarNameStoreSetupStaging

(

uint32_t

de_ctx_version

)

setup staging store. Include current store if there is one.

Definition at line 247 of file util-var-name.c.

References SCMutexLock.