decoders/decode_ip.h

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00001 #ifndef _HLBR_DECODE_IP_H_
00002 #define _HLBR_DECODE_IP_H_
00003 
00004 #include "../config.h"
00005 #include "../engine/hlbr.h"
00006 #include "decode.h"
00007 
00008 #define IP_PROTO_ICMP   1
00009 #define IP_PROTO_TCP    6
00010 #define IP_PROTO_UDP    17
00011 
00012 typedef struct ip_header{
00013 #ifdef HLBR_LITTLE_ENDIAN
00014         unsigned char   ihl:4,
00015                 version:4;
00016 #else
00017         unsigned char   version:4,
00018                 ihl:4;
00019 #endif          
00020         unsigned char   tos;
00021         unsigned short  tot_len;
00022         unsigned short  id;
00023         unsigned short  frag_off;
00024         unsigned char   ttl;
00025         unsigned char   protocol;
00026         unsigned short  check;
00027         unsigned int    saddr;
00028         unsigned int    daddr;
00029         /*The options start here. */
00030 } IPHdr;
00031 
00032 typedef struct ip_data{
00033         IPHdr*          Header;
00034 } IPData;
00035 
00036 
00037 int InitDecoderIP();
00038 
00039 #endif

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