vc模拟网页发送表单 51网站自动登录

//#include "stdafx.h" #include "winsock.h" #pragma comment(lib,"ws2_32.lib") #include <stdio.h> #define winsock_version 0x0101 void main() { //I create C:\Inetpub\wwwroot\test\test.asp ,start the web service //start my program, the result is OK. //If it works,it is written by masterz,otherwise I don't know who write it. SOCKADDR_IN saServer; LPHOSTENT lphostent; WSADATA wsadata; SOCKET hsocket; int nRet; const char* host_name="http://www.51.com"; char* req="POST http://passport.51.com/login.5p HTTP/1.0\r\n" "From: local\r\n" "User-Agent: post_test/1.0\r\n" "Content-Type: application/x-www-form-urlencoded\r\n" "Content-Length: 20\r\n\r\n" "passport_51_user=xiaoshuahu158&passport_51_password=8201\r\n"; if(WSAStartup(winsock_version,&wsadata)) printf("can't initial socket"); lphostent=gethostbyname(host_name); if(lphostent==NULL) printf("lphostent is null"); hsocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); saServer.sin_family = AF_INET; saServer.sin_port = htons(80); saServer.sin_addr = *((LPIN_ADDR)*lphostent->h_addr_list); nRet = connect(hsocket, (LPSOCKADDR)&saServer, sizeof(SOCKADDR_IN)); if(nRet== SOCKET_ERROR) { printf("can't connect"); closesocket(hsocket); return; } else printf("connected with %s\n",host_name); nRet = send(hsocket, req, strlen(req), 0); if (nRet == SOCKET_ERROR) { printf("send() failed"); closesocket(hsocket); } else printf("send() OK\n"); char dest[1000]; nRet=1; while(nRet>0) { nRet=recv(hsocket,(LPSTR)dest,sizeof(dest),0); if(nRet>0) dest[nRet]=0; else dest[0]=0; printf("\nReceived bytes:%d\n",nRet); printf("Result:\n%s",dest); } ShellExecute(0, NULL, "http://my.51.com/webim/index.php",NULL,NULL, SW_NORMAL); }