decoders/decode_ip_defrag.c File Reference

#include "decode_ip_defrag.h"
#include "../packets/packet.h"
#include "../engine/cache.h"
#include <stdio.h>
#include <stdlib.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <string.h>

Go to the source code of this file.

Data Structures
struct	defrag_item
Functions
unsigned short	checksum (unsigned short *b1, unsigned int len1, unsigned short *b2, unsigned int len2)
int	RebuildPacket (struct defrag_item *Frags, int NumFrags)
int	SortFragArray (struct defrag_item *Frags, int NumFrags)
void *	DecodeIPDefrag (int PacketSlot)
int	InitDecoderIPDefrag ()
Variables
GlobalVars	Globals
int	IPDecoderID
Cache *	FragCache
pthread_mutex_t	FragMutex
int	FragLockID

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Function Documentation

unsigned short checksum	(	unsigned short *	b1,
		unsigned int	len1,
		unsigned short *	b2,
		unsigned int	len2
	)

Definition at line 39 of file decode_ip_defrag.c.

References NULL.

Referenced by RebuildPacket().

void* DecodeIPDefrag

(

int

PacketSlot

)

Definition at line 239 of file decode_ip_defrag.c.

References defrag_item::begin, CacheAdd(), CacheDelKey(), CacheGet(), cache_item::Data, DEBUGPATH, defrag_item::done, defrag_item::end, FALSE, FRAG_FLAG_MORE, FRAG_LOCK_1, FragCache, FragLockID, FragMutex, GetDataByID(), Globals, ip_data::Header, hlbr_mutex_lock(), hlbr_mutex_unlock(), defrag_item::idata, ip_header::ihl, IPDecoderID, cache_items::Items, defrag_item::more, NULL, cache_items::NumItems, global_vars::Packets, defrag_item::PacketSlot, packet_rec::PassRawPacket, RebuildPacket(), ReturnEmptyPacket(), packet_rec::SaveCount, SortFragArray(), TRUE, and packet_rec::tv.

Referenced by InitDecoderIPDefrag().

int InitDecoderIPDefrag

(

)

Definition at line 388 of file decode_ip_defrag.c.

References CreateDecoder(), DEBUGPATH, decoder_rec::DecodeFunc, DecodeIPDefrag(), DECODER_NONE, DecoderAddDecoder(), global_vars::Decoders, FALSE, FRAG_TIMEOUT, FragCache, GetDecoderByName(), Globals, InitCache(), IPDecoderID, and TRUE.

Referenced by InitDecoders().

int RebuildPacket	(	struct defrag_item *	Frags,
		int	NumFrags
	)

Definition at line 95 of file decode_ip_defrag.c.

References AddPacketToPending(), ip_header::check, checksum(), FALSE, ip_header::frag_off, GetDataByID(), GetEmptyPacket(), Globals, packet_rec::InterfaceNum, IPDecoderID, packet_rec::LargePacket, MAX_PACKET_SIZE, NULL, packet_rec::PacketLen, global_vars::Packets, defrag_item::PacketSlot, packet_rec::RawPacket, packet_rec::Status, ip_header::tot_len, TRUE, and packet_rec::tv.

Referenced by DecodeIPDefrag().

int SortFragArray	(	struct defrag_item *	Frags,
		int	NumFrags
	)

Definition at line 190 of file decode_ip_defrag.c.

References DEBUGPATH, defrag_item::end, FALSE, and TRUE.

Referenced by DecodeIPDefrag().

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Variable Documentation

Cache* FragCache

Definition at line 21 of file decode_ip_defrag.c.

Referenced by DecodeIPDefrag(), and InitDecoderIPDefrag().

int FragLockID

Definition at line 23 of file decode_ip_defrag.c.

Referenced by DecodeIPDefrag().

pthread_mutex_t FragMutex

Definition at line 22 of file decode_ip_defrag.c.

Referenced by DecodeIPDefrag().

GlobalVars Globals

Definition at line 41 of file hlbr.c.

int IPDecoderID

Definition at line 20 of file decode_ip_defrag.c.

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