用wininet库模拟cookie方式验证码登录

#include "stdafx.h"
#include <windows.h>
#include <wininet.h>
#include <tchar.h>
#include <conio.h>
#include <time.h>
DWORD WriteDataToFile(LPSTR lpFileName, LPSTR data, int size)
{
    DWORD dwWritten;
    HANDLE hFile = CreateFileA(lpFileName, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL);
    if (hFile == INVALID_HANDLE_VALUE)
        return 0;    
 
    if (!WriteFile(hFile, (LPCVOID)data, size, &dwWritten, NULL))
        return 0;    
    CloseHandle(hFile);
    return dwWritten;
}
 
int main(int argc, char* argv[])
{
 
    static TCHAR hdrs[] = 
        _T("Accept: application/x-shockwave-flash, image/gif, image/jpeg, image/pjpeg, image/pjpeg, */*\r\n"
        "Accept-Language: zh-cn\r\n"
        "Accept-Encoding: gzip, deflate\r\n"
        "User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; TheWorld)\r\n"
        ); 
    static TCHAR phdrs[] = 
        _T("Accept: application/x-shockwave-flash, image/gif, image/jpeg, image/pjpeg, image/pjpeg, */*\r\n"
        "Accept-Language: zh-cn\r\n"
        "Accept-Encoding: gzip, deflate\r\n"
        "Content-Type: application/x-www-form-urlencoded\r\n"
        "Connection: Keep-Alive\r\n"
        "User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; TheWorld)\r\n"
        "Content-Length: 59\r\n"
        ); 
 
    static TCHAR frmdata[] = 
        _T("wen=368616592221&code=%s&Submit2=%C9%EA%CD%A8%B2%E9%D1%AF"); // Submit2=%C9%EA%CD%A8%B2%E9%D1%AF 申通查询
    char pdata[MAX_PATH] = "";
    const TCHAR *accept = 
        _T("Accept: */*"); 
 
    HINTERNET hSession = InternetOpen("MyAgent", 
        INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0); 
    HINTERNET hConnect = InternetConnect(hSession, _T("my.kiees.cn"), 80, NULL, NULL, INTERNET_SERVICE_HTTP, 0, 1); 
    HINTERNET hRequest = HttpOpenRequest(hConnect, "GET", _T("/stocode.php"), NULL, NULL, &accept, 0, 1); 
    HttpSendRequest(hRequest, hdrs, strlen(hdrs), 0, 0);        // 这里没有cookie
    //HttpSendRequest(hRequest, NULL, 0, 0, 0);
    DWORD dwBytesRead;   
    char buffer[MAX_PATH * 50] = "";
    ::InternetReadFile(hRequest, buffer, MAX_PATH * 50, &dwBytesRead); // 下载图片, 保存到文件
    WriteDataToFile("AA.JPG", buffer, dwBytesRead);
    //WinExec("AA.JPG", SW_SHOW);
    printf("Input code...\n");
    char code[MAX_PATH];
    gets(code);
    wsprintf(pdata, "wen=368019074201&code=%s&Submit2=%%C9%%EA%%CD%%A8%%B2%%E9%%D1%%AF", code);
    HINTERNET hPostRequest = HttpOpenRequest(hConnect, "POST", _T("/sto.php"), NULL, NULL, &accept, 0, 1); 
    HttpSendRequest(hPostRequest, phdrs, strlen(phdrs), pdata, strlen(pdata));    // 这里抓包带了cookie
    ::InternetReadFile(hPostRequest, buffer, MAX_PATH * 50, &dwBytesRead); 
    WriteDataToFile("AA.html", buffer, dwBytesRead);
    return 0;
}