suricata
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...
 
void * NFQGetQueue (int number)
 Get a pointer to the NFQ queue at index. More...
 
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 1300 of file source-nfq.c.

Referenced by GlobalsDestroy().

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◆ NFQGetQueue()

void* NFQGetQueue ( int  number)

Get a pointer to the NFQ queue at index.

Parameters
numberidx of the queue in our array
Return values
ptrpointer to the NFQThreadVars at index
NULLon error

Definition at line 944 of file source-nfq.c.

References unlikely.

◆ NFQGetThread()

void* NFQGetThread ( int  number)

Get a pointer to the NFQ thread at index.

This function is temporary used as configuration parser.

Parameters
numberidx of the queue in our array
Return values
ptrpointer to the NFQThreadVars at index
NULLon error

Definition at line 962 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
quietIt tells the mode of operation, if it is TRUE nothing will be get printed.

Definition at line 206 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
stringwith the queue number or range
Return values
0on success.
-1on failure.

Definition at line 879 of file source-nfq.c.

References SCLogError, and SCRealloc.

◆ NFQRegisterQueue()

int NFQRegisterQueue ( const uint16_t  number)

Add a single Netfilter queue.

Parameters
stringwith the queue number
Return values
0on success.
-1on failure.

Definition at line 823 of file source-nfq.c.

References UtilCpuGetNumProcessorsOnline().

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