source-nfq.h File Reference

#include "threads.h"
#include <linux/netfilter.h>
#include <libnetfilter_queue/libnetfilter_queue.h>

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Data Structures
struct	NFQPacketVars_
struct	NFQQueueVars_
struct	NFQGlobalVars_

Macros
#define	NFQ_MAX_QUEUE   65535

Typedefs
typedef struct NFQPacketVars_	NFQPacketVars
typedef struct NFQQueueVars_	NFQQueueVars
typedef struct NFQGlobalVars_	NFQGlobalVars

Functions
void	NFQInitConfig (bool quiet)
	To initialize the NFQ global configuration data. More...
int	NFQRegisterQueue (const uint16_t number)
	Add a single Netfilter queue. More...
int	NFQParseAndRegisterQueues (const char *queues)
	Parses and adds Netfilter queue(s). More...
int	NFQGetQueueCount (void)
void *	NFQGetQueue (int number)
	Get a pointer to the NFQ queue at index. More...
int	NFQGetQueueNum (int number)
void *	NFQGetThread (int number)
	Get a pointer to the NFQ thread at index. More...
void	NFQContextsClean (void)
	Clean global contexts. Must be called on exit. More...

Detailed Description

Author

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

Definition in file source-nfq.h.

Macro Definition Documentation

NFQ_MAX_QUEUE

#define NFQ_MAX_QUEUE   65535

Definition at line 35 of file source-nfq.h.

Typedef Documentation

NFQGlobalVars

typedef struct NFQGlobalVars_ NFQGlobalVars

NFQPacketVars

typedef struct NFQPacketVars_ NFQPacketVars

NFQQueueVars

typedef struct NFQQueueVars_ NFQQueueVars

Function Documentation

NFQContextsClean()

void NFQContextsClean

(

void

)

Clean global contexts. Must be called on exit.

Definition at line 1273 of file source-nfq.c.

NFQGetQueue()

void* NFQGetQueue

(

int

number

)

Get a pointer to the NFQ queue at index.

Parameters

number

idx of the queue in our array

Return values

ptr	pointer to the NFQThreadVars at index
NULL	on error

Definition at line 920 of file source-nfq.c.

References unlikely.

NFQGetQueueCount()

int NFQGetQueueCount

(

void

)

NFQGetQueueNum()

int NFQGetQueueNum

(

int

number

)

NFQGetThread()

void* NFQGetThread

(

int

number

)

Get a pointer to the NFQ thread at index.

This function is temporary used as configuration parser.

Parameters

number

idx of the queue in our array

Return values

ptr	pointer to the NFQThreadVars at index
NULL	on error

Definition at line 938 of file source-nfq.c.

References unlikely.

Referenced by RunModeIpsNFQAutoFp(), and RunModeIpsNFQWorker().

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NFQInitConfig()

void NFQInitConfig

(

bool

quiet

)

To initialize the NFQ global configuration data.

Parameters

quiet

It tells the mode of operation, if it is TRUE nothing will be get printed.

Definition at line 207 of file source-nfq.c.

References NFQCnf_::batchcount, NFQCnf_::bypass_mark, NFQCnf_::bypass_mask, ConfGet(), ConfGetBool(), ConfGetInt(), FatalError, NFQCnf_::flags, NFQCnf_::mark, NFQCnf_::mask, NFQCnf_::mode, NFQCnf_::next_queue, NFQ_ACCEPT_MODE, nfq_config, NFQ_FLAG_FAIL_OPEN, NFQ_REPEAT_MODE, NFQ_ROUTE_MODE, SCLogDebug, SCLogError, SCLogInfo, and SCLogWarning.

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NFQParseAndRegisterQueues()

int NFQParseAndRegisterQueues

(

const char *

queues

)

Parses and adds Netfilter queue(s).

Parameters

string

with the queue number or range

Return values

0	on success.
-1	on failure.

Definition at line 855 of file source-nfq.c.

References SCLogError, and SCRealloc.

NFQRegisterQueue()

int NFQRegisterQueue

(

const uint16_t

number

)

Add a single Netfilter queue.

Parameters

string

with the queue number

Return values

0	on success.
-1	on failure.

Definition at line 799 of file source-nfq.c.

References UtilCpuGetNumProcessorsOnline().

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