封包的截取与解包-3

来源：互联网发布：傲剑护符升级数据大全编辑：程序博客网时间：2024/06/05 18:30

//命令行参数处理
bool GetCmdLine(int argc, char ** argv)
{
if (argc<2) return CMD_PARAM_HELP;
for(int i=1;i<argc;i++)
{
  if(argv[i][0]!='/') return CMD_PARAM_HELP;
  else switch (argv[i][1])
   {
    case 't':
    case 'T': ParamTcp=true; break;
    case 'u':
    case 'U': ParamUdp=true; break;
    case 'i':
    case 'I': ParamIcmp=true; break;
    case 'p':
    case 'P': ParamDecode=true; break;
    case 'f':
    case 'F':
     {
      strFromIpFilter=(char*)malloc(16*sizeof(char));
      memset(strFromIpFilter,0,16*sizeof(char));
      strcpy(strFromIpFilter,argv[i]+3);
      break;
     }
    case 'd':
    case 'D':
     {
      strDestIpFilter=(char*)malloc(16*sizeof(char));
      memset(strDestIpFilter,0,16*sizeof(char));
      strcpy(strDestIpFilter,argv[i]+3);
      break;
     }
    case 's':
    case 'S':
     {
      strSensitive=(char*)malloc(255*sizeof(char));
      memset(strSensitive,0,255*sizeof(char));
      strcpy(strSensitive,argv[i]+3);
      break;
     }
    case 'o':
    case 'O':
     {
      iPortFilter=atoi(argv[i]+3);
      break;
     }
   }
}
printf("/nWill Sniffer");
if(ParamTcp) printf(" TCP");
if(ParamUdp) printf(" UDP");
if(ParamIcmp) printf(" ICMP");
if(strFromIpFilter) printf(" FromIp:%s",strFromIpFilter);
if(strDestIpFilter) printf(" DestIp:%s",strDestIpFilter);
if(ParamDecode) printf(" DECODE ON");
if(strSensitive) printf(" Sensitive String:'%s'",strSensitive);
printf("/n/tCTRL+C to quit/nStart:/n");
return (!CMD_PARAM_HELP);
}

//使用说明
void usage(void)
{
printf("IPSpy/n");
printf("USAGE:/n");
printf("/t/t          Output TCP Packets/n");
printf("/t/u          Output UDP Packets/n");
printf("/t/i          Output ICMP Packets/n");
printf("/t/p          Decode Packets (default OFF)/n");
printf("/t/f: fromIP Output Packets FromIp=fromIP (default ALL)/n");
printf("/t/d: destIP Output Packets DestIp=destIP (default ALL)/n");
printf("/t/s: string Output Packets Include sensitive String(TCP only)/n");
printf("/t/o: port    Output Packets from or to the port(ICMP is TYPE)/n");
printf("Example:/n");
printf("/tGUNiffer.exe /d>GUNiffer.log/n");
printf("/tGUNiffer.exe /t /u /f:192.168.15.231/n");
printf("/tGUNiffer.exe /t /p /s:PASS/n");
}

//SOCK错误处理程序
void CheckSockError(int iErrorCode, char *pErrorMsg)
{
if(iErrorCode==SOCKET_ERROR)
{
  printf("%s Error:%d/n", pErrorMsg, GetLastError());
  closesocket(SockRaw);
  exit(0);
}

}