suricata: src/datasets.c File Reference

suricata

#include "suricata-common.h"
#include "suricata.h"
#include "rust.h"
#include "conf.h"
#include "datasets.h"
#include "datasets-string.h"
#include "datasets-ipv4.h"
#include "datasets-ipv6.h"
#include "datasets-md5.h"
#include "datasets-sha256.h"
#include "datasets-reputation.h"
#include "util-conf.h"
#include "util-thash.h"
#include "util-print.h"
#include "util-byte.h"
#include "util-misc.h"
#include "util-path.h"
#include "util-debug.h"
#include "util-validate.h"

Include dependency graph for datasets.c:

Go to the source code of this file.

Macros
#define	DATASETS_HASHSIZE_DEFAULT 4096

Typedefs
typedef int(*	DatasetOpFunc) (Dataset set, const uint8_t data, const uint32_t data_len)

Enumerations
enum	DatasetGetPathType { TYPE_STATE, TYPE_LOAD }

Functions
int	DatasetAddwRep (Dataset set, const uint8_t data, const uint32_t data_len, DataRepType *rep)

enum DatasetTypes	DatasetGetTypeFromString (const char *s)

Dataset *	DatasetFind (const char *name, enum DatasetTypes type)
	look for set by name without creating it More...

Dataset *	DatasetGet (const char name, enum DatasetTypes type, const char save, const char *load, uint64_t memcap, uint32_t hashsize)

void	DatasetReload (void)

void	DatasetPostReloadCleanup (void)

int	DatasetsInit (void)

void	DatasetsDestroy (void)

void	DatasetsSave (void)

int	DatasetLookup (Dataset set, const uint8_t data, const uint32_t data_len)
	see if data is part of the set More...

DataRepResultType	DatasetLookupwRep (Dataset set, const uint8_t data, const uint32_t data_len, const DataRepType *rep)

int	DatasetAdd (Dataset set, const uint8_t data, const uint32_t data_len)

int	DatasetAddSerialized (Dataset set, const char string)
	add serialized data to set More...

int	DatasetLookupSerialized (Dataset set, const char string)
	add serialized data to set More...

int	DatasetRemoveSerialized (Dataset set, const char string)
	remove serialized data from set More...

int	DatasetRemove (Dataset set, const uint8_t data, const uint32_t data_len)

Variables
SCMutex	sets_lock = SCMUTEX_INITIALIZER

uint32_t	dataset_max_one_hashsize = 65536

uint32_t	dataset_max_total_hashsize = 16777216

uint32_t	dataset_used_hashsize = 0

bool	g_system

Detailed Description

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

Definition in file datasets.c.

Macro Definition Documentation

◆ DATASETS_HASHSIZE_DEFAULT

#define DATASETS_HASHSIZE_DEFAULT 4096

Definition at line 579 of file datasets.c.

Typedef Documentation

◆ DatasetOpFunc

typedef int(* DatasetOpFunc) (Dataset *set, const uint8_t *data, const uint32_t data_len)

Definition at line 1360 of file datasets.c.

Enumeration Type Documentation

◆ DatasetGetPathType

enum DatasetGetPathType

Enumerator
TYPE_STATE
TYPE_LOAD

Definition at line 277 of file datasets.c.

Function Documentation

◆ DatasetAdd()

int DatasetAdd	(	Dataset *	set,
		const uint8_t *	data,
		const uint32_t	data_len
	)

Definition at line 1320 of file datasets.c.

References DATASET_TYPE_STRING, and Dataset::type.

Referenced by DetectDatasetBufferMatch().

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◆ DatasetAddSerialized()

int DatasetAddSerialized	(	Dataset *	set,
		const char *	string
	)

add serialized data to set

Return values

int	1 added
int	0 already in hash
int	-1 API error (not added)
int	-2 DATA error

Definition at line 1427 of file datasets.c.

◆ DatasetAddwRep()

int DatasetAddwRep	(	Dataset *	set,
		const uint8_t *	data,
		const uint32_t	data_len,
		DataRepType *	rep
	)

Definition at line 1340 of file datasets.c.

References DATASET_TYPE_STRING, and Dataset::type.

◆ DatasetFind()

Dataset* DatasetFind	(	const char *	name,
		enum DatasetTypes	type
	)

look for set by name without creating it

Definition at line 315 of file datasets.c.

References SCMutexLock, and sets_lock.

◆ DatasetGet()

Dataset* DatasetGet	(	const char *	name,
		enum DatasetTypes	type,
		const char *	save,
		const char *	load,
		uint64_t	memcap,
		uint32_t	hashsize
	)

Definition at line 357 of file datasets.c.

References DATASET_NAME_MAX_LEN, name, SCMutexLock, and sets_lock.

◆ DatasetGetTypeFromString()

enum DatasetTypes DatasetGetTypeFromString ( const char * s )

Definition at line 60 of file datasets.c.

◆ DatasetLookup()

int DatasetLookup	(	Dataset *	set,
		const uint8_t *	data,
		const uint32_t	data_len
	)

see if data is part of the set

Parameters

set	dataset
data	data to look up
data_len	length in bytes of data

Return values

-1	error
0	not found
1	found

Definition at line 1085 of file datasets.c.

References DATASET_TYPE_STRING, and Dataset::type.

Referenced by DetectDatasetBufferMatch().

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◆ DatasetLookupSerialized()

int DatasetLookupSerialized	(	Dataset *	set,
		const char *	string
	)

add serialized data to set

Return values

int	1 added
int	0 already in hash
int	-1 API error (not added)
int	-2 DATA error

Definition at line 1439 of file datasets.c.

◆ DatasetLookupwRep()

DataRepResultType DatasetLookupwRep	(	Dataset *	set,
		const uint8_t *	data,
		const uint32_t	data_len,
		const DataRepType *	rep
	)

Definition at line 1105 of file datasets.c.

References DATASET_TYPE_STRING, DataRepResultType::found, and Dataset::type.

Referenced by DetectDatarepBufferMatch().

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◆ DatasetPostReloadCleanup()

void DatasetPostReloadCleanup ( void )

Definition at line 550 of file datasets.c.

References SCLogDebug, SCMutexLock, and sets_lock.

◆ DatasetReload()

void DatasetReload ( void )

Definition at line 524 of file datasets.c.

References SCMutexLock, and sets_lock.

◆ DatasetRemove()

int DatasetRemove	(	Dataset *	set,
		const uint8_t *	data,
		const uint32_t	data_len
	)

Definition at line 1523 of file datasets.c.

References DATASET_TYPE_STRING, and Dataset::type.

Referenced by DetectDatasetBufferMatch().

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◆ DatasetRemoveSerialized()

int DatasetRemoveSerialized	(	Dataset *	set,
		const char *	string
	)

remove serialized data from set

Return values

int	1 removed
int	0 found but busy (not removed)
int	-1 API error (not removed)
int	-2 DATA error

Definition at line 1517 of file datasets.c.

◆ DatasetsDestroy()

void DatasetsDestroy ( void )

Definition at line 755 of file datasets.c.

References SCLogDebug.

Referenced by GlobalsDestroy().

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◆ DatasetsInit()

int DatasetsInit ( void )

Definition at line 603 of file datasets.c.

References SCConfGetNode(), and SCLogDebug.

Referenced by PreRunPostPrivsDropInit().

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◆ DatasetsSave()

void DatasetsSave ( void )

Definition at line 833 of file datasets.c.

References SCLogDebug.

Referenced by GlobalsDestroy().

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Variable Documentation

◆ dataset_max_one_hashsize

uint32_t dataset_max_one_hashsize = 65536

Definition at line 48 of file datasets.c.

◆ dataset_max_total_hashsize

uint32_t dataset_max_total_hashsize = 16777216

Definition at line 49 of file datasets.c.

◆ dataset_used_hashsize

uint32_t dataset_used_hashsize = 0

Definition at line 50 of file datasets.c.

◆ g_system

bool g_system

Definition at line 190 of file suricata.c.

◆ sets_lock

SCMutex sets_lock = SCMUTEX_INITIALIZER

Definition at line 44 of file datasets.c.

Referenced by DatasetFind(), DatasetGet(), DatasetPostReloadCleanup(), and DatasetReload().

src
datasets.c
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