Dogcows Code - chaz/thecheat/blob - cheat_net.h

   1
   2 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   3 // Project:   The Cheat
   4 //
   5 // File:      cheat_net.h
   6 // Created:   Mon Sep 08 2003
   7 //
   8 // Copyright: 2003 Chaz McGarvey.  All rights reserved.
   9 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  10
  11 #ifndef _cheat_net_H
  12 #define _cheat_net_H
  13
  14 #include <sys/socket.h>
  15 #include <sys/un.h>
  16 #include <netinet/in.h>
  17 #include <arpa/inet.h>
  18 #include <sys/time.h>
  19 #include <sys/types.h>
  20 #include <unistd.h>
  21 #include <stdlib.h>
  22
  23
  24 // macros
  25
  26 #define COPY_TO_BUFFER( to, from, size )        memcpy( to, from, size ), to += size;
  27 #define COPY_FROM_BUFFER( to, from, size )      memcpy( to, from, size ), from += size;
  28
  29
  30 struct tagPacketHeader
  31 {
  32         u_int32_t               checksum;
  33         u_int32_t               function;
  34         u_int32_t               size;
  35 };
  36
  37 typedef struct tagPacketHeader PacketHeader;
  38
  39
  40 u_int32_t RandomChecksum();
  41 char VerifyChecksum( u_int32_t checksum );
  42 int CountBits( u_int8_t byte );
  43
  44 int SendBuffer( int socket, char const *buffer, int *length );
  45 int ReadBuffer( int socket, char *buffer, int length );
  46
  47
  48 #endif
  49