请问谁有伪装数据包向web服务器发送请求的源代码?

Question

该伪装数据包能够伪装假的本地ip地址，向web服务器发送http请求，谁有这样的源代码，如果有，可以送上200分

Answer 1

#pragma pack(1)#define WIN32_LEAN_AND_MEAN#include <winsock2.h>
#include <ws2tcpip.h>
#include <stdio.h>
#include <stdlib.h>#define MAX_MESSAGE      4068
#define MAX_PACKET       4096#define DEFAULT_PORT     1234
#define DEFAULT_IP       "127.0.0.1"
#define DEFAULT_COUNT    5
#define DEFAULT_MESSAGE  "stone"typedef struct ip_hdr
{
  unsigned char  ip_verlen;
  unsigned char  ip_tos;
  unsigned short ip_totallength;
  unsigned short ip_id;
  unsigned short ip_offset;
  unsigned char  ip_ttl;
  unsigned char  ip_protocol;
  unsigned short ip_checksum;
  unsigned int   ip_srcaddr;
  unsigned int   ip_destaddr;
} IP_HDR,*PIP_HDR,FAR* LPIP_HDR;typedef struct udp_hdr
{
  unsigned short src_portno;
  unsigned short dst_portno;
  unsigned short udp_length;
  unsigned short udp_checksum;
} UDP_HDR,*PUDP_HDR;unsigned long dwToIP,dwFromIP;
unsigned short iToPort,iFromPort;
DWORD dwCount;
char strMessage[MAX_MESSAGE];void usage(char *progname)
{
printf("usage: %s [-fp:int] [-fi:str] [-tp:int] [-ti:str] [-n:int] [-m:str]\n",progname);
printf("   -fp:int From(sender) port number\n");
printf("   -fi:IP  From(sender) IP address\n");
printf("   -fp:int To(recipient) port number\n");
printf("   -fi:IP  To(recipient) Ip address\n");
printf("   -n:int  Number of times to read message\n");
printf("   -m:str  Size of buffer to read\n\n");
ExitProcess(1);
}void ValidateArgs(int argc,char **argv)
{
 int i;
 
 iToPort=DEFAULT_PORT;
 iFromPort=DEFAULT_PORT;
 dwToIP=inet_addr(DEFAULT_IP);
 dwFromIP=inet_addr(DEFAULT_IP);
 dwCount=DEFAULT_COUNT;
 strcpy(strMessage,DEFAULT_MESSAGE);
 
 for(i=1;i<argc;i++)
  {
    if((argv[i][0]=='-')||(argv[i][0]=='/'))
    {
        switch(tolower(argv[i][1]))
        {
          case 'f':
               switch(tolower(argv[i][2]))
               {
                 case 'p':
                      if(strlen(argv[i])>4)
                        iFromPort=atoi(&argv[i][4]);
                      break;
                 case 'i':
                      if(strlen(argv[i])>4)
                        dwFromIP=inet_addr(&argv[i][4]);
                      break;
                default:
                      usage(argv[0]);
                      break;
               }
               break;
            case 't':
                switch(tolower(argv[i][2]))
                {
                    case 'p':
                        if(strlen(argv[i])>4)
                            iToPort=atoi(&argv[i][4]);
                        break;
                    case 'i':
                        if(strlen(argv[i])>4)
                            dwToIP=inet_addr(&argv[i][4]);
                        break;
                     default:
                        usage(argv[0]);
                        break;
                }
                break;
             case 'n':
                 if(strlen(argv[i])>3)
                       dwCount=atol(&argv[i][3]);
                 break;
             case 'm':
                 if(strlen(argv[i])>3)
                    strcpy(strMessage,&argv[i][3]);
                 break;
             default:
                 usage(argv[0]);
                 break;
         }
     } 
 }
 return;
}
USHORT checksum(USHORT *buffer,int size)
{
  unsigned long cksum=0;
  while(size>1)
  {
     cksum+=*buffer++;
     size-=sizeof(USHORT);
  }
  if(size)
  {
     cksum+=*(UCHAR*)buffer;
  }
  cksum=(cksum>>16)+(cksum & 0xffff);
  cksum+=(cksum>>16);
  return (USHORT)(~cksum);}
int main(int argc,char **argv)
{
WSADATA            wsd;
SOCKET             s;
BOOL               bOpt;
struct sockaddr_in remote;
IP_HDR             ipHdr;
UDP_HDR            udpHdr;
int                ret;
DWORD              i;unsigned short iTotalSize,iUdpSize,iUdpChecksumSize,iIPVersion,iIPSize,cksum=0;
char buf[MAX_PACKET];
char *ptr=NULL;
IN_ADDR  addr;ValidateArgs(argc,argv);
addr.S_un.S_addr=dwFromIP;
printf("From IP:<%s>\n    Port: %d\n",inet_ntoa(addr),iFromPort);
addr.S_un.S_addr=dwToIP;
printf("To  IP: <%s>\n   Port:%d\n",inet_ntoa(addr),iToPort);
printf("Message:[%s]\n",strMessage);
printf("Count: %d\n",dwCount);
   if(WSAStartup(MAKEWORD(2,2),&wsd)!=0)
   {
    printf("WSAStartup() failed:%d\n",GetLastError());
     return -1;
   }
s=WSASocket(AF_INET,SOCK_RAW,IPPROTO_UDP,NULL,0,0);
   if(s==INVALID_SOCKET)
   {
       printf("WSASOCKET() failed:%d\n",WSAGetLastError());
       return -1;   }bOpt=TRUE;
ret=setsockopt(s,IPPROTO_IP,IP_HDRINCL,(char *)&bOpt,sizeof(bOpt));
if(ret==SOCKET_ERROR)
{
printf("setsockopt(IP_HDRINCL) failed: %d\n",WSAGetLastError());
return -1;
}iTotalSize=sizeof(ipHdr)+sizeof(udpHdr)+strlen(strMessage);
iIPVersion=4;
iIPSize=sizeof(ipHdr) / sizeof(unsigned long);ipHdr.ip_verlen=(iIPVersion<<4)|iIPSize;
ipHdr.ip_tos=0;
ipHdr.ip_totallength=htons(iTotalSize);
ipHdr.ip_id=0;
ipHdr.ip_offset=0;
ipHdr.ip_ttl=128;
ipHdr.ip_protocol=0x11;
ipHdr.ip_checksum=0;
ipHdr.ip_srcaddr=dwFromIP;
ipHdr.ip_destaddr=dwToIP;udpHdr.src_portno=htons(iFromPort);
udpHdr.dst_portno=htons(iToPort);
udpHdr.udp_length=htons(iUdpSize);
udpHdr.udp_checksum=0;iUdpChecksumSize=0;
ptr=buf;
ZeroMemory(buf,MAX_PACKET);memcpy(ptr,&ipHdr.ip_srcaddr,sizeof(ipHdr.ip_srcaddr));
ptr+=sizeof(ipHdr.ip_srcaddr);
iUdpChecksumSize+=sizeof(ipHdr.ip_srcaddr);memcpy(ptr,&ipHdr.ip_destaddr,sizeof(ipHdr.ip_destaddr));
ptr+=sizeof(ipHdr.ip_destaddr);
iUdpChecksumSize+=sizeof(ipHdr.ip_destaddr);ptr++;
iUdpChecksumSize+=1;memcpy(ptr,&ipHdr.ip_protocol,sizeof(ipHdr.ip_protocol));
ptr+=sizeof(ipHdr.ip_protocol);
iUdpChecksumSize+=sizeof(ipHdr.ip_protocol);memcpy(ptr,&udpHdr.udp_length,sizeof(udpHdr.udp_length));
ptr+=sizeof(udpHdr.udp_length);
iUdpChecksumSize+=sizeof(udpHdr.udp_length);memcpy(ptr,&udpHdr.udp_length,sizeof(udpHdr.udp_length));
ptr+=sizeof(udpHdr.udp_length);
iUdpChecksumSize+=sizeof(udpHdr.udp_length);memcpy(ptr,&udpHdr,sizeof(udpHdr));
ptr+=sizeof(udpHdr);
iUdpChecksumSize+=sizeof(udpHdr);for(i=0;i<strlen(strMessage);i++,ptr++)
 *ptr=strMessage[i];
iUdpChecksumSize+=strlen(strMessage);
cksum=checksum((USHORT *)buf,iUdpChecksumSize);
udpHdr.udp_checksum=cksum;ZeroMemory(buf,MAX_PACKET);
ptr=buf;memcpy(ptr,&ipHdr,sizeof(ipHdr));  ptr+=sizeof(ipHdr);
memcpy(ptr,&udpHdr,sizeof(udpHdr)); ptr+=sizeof(udpHdr);
memcpy(ptr,strMessage,strlen(strMessage));remote.sin_family=AF_INET;
remote.sin_port=htons(iToPort);
remote.sin_addr.s_addr=dwToIP;for(i=0;i<dwCount;i++)
{
  ret=sendto(s,buf,iTotalSize,0,(SOCKADDR *)&remote,sizeof(remote));
  if(ret==SOCKET_ERROR)
  {
     printf("sendto() failed:%d\n",WSAGetLastError());
     break;
  }
   else
    printf("sEND %d bytes\n",ret);
}
closesocket(s);
WSACleanup();
return 0;
}

Answer 2

这个是最新的,你直接可以调试通,记得在工程/设置->LINK,加WSOCK32.LIB WS2_32.LIB 这两个库!

Answer 3

伪造IP可以使用原始套接字。发送http请求可以参考
http://community.csdn.net/Expert/topic/3641/3641113.xml?temp=.6726801

Answer 4

chenzunshi(石头) 
我发送给主机好象都没什么反应