VC实现单向认证SSL连接POST数据源码

转自：http://blog.csdn.net/jinhill/article/details/7321515

#include "StdAfx.h"
#include <afxinet.h>

CInternetSession *g_ISession;
CHttpConnection *g_pHttpConn = NULL;
CHttpFile *g_pHttpFile = NULL;
const char g_szHeaders[]=_T("Accept: */*\r\nUser-Agent:Jinhill Http Agent\r\nContent-Type: application/x-www-form-urlencoded");
int g_nHeaderLen = strlen(g_szHeaders);

int  HttpConnect(char *szURL)
{
 if(szURL == NULL)
 {
  return -1;
 }
 CString strServerName = "localhost";
 CString strObject = "/";
 INTERNET_PORT nPort = 443;
 DWORD dwServiceType = 0;
 DWORD dwReqFlags = 0;
 BOOL bRV = AfxParseURL(szURL,
      dwServiceType,
      strServerName,
      strObject,
      nPort );
 if (!bRV)
 {
  return -2;
 }

 try
 {
  g_ISession = new  CInternetSession();
  g_pHttpConn = g_ISession->GetHttpConnection(strServerName, INTERNET_FLAG_SECURE | SECURITY_FLAG_IGNORE_UNKNOWN_CA, nPort);
  g_pHttpFile = g_pHttpConn->OpenRequest(CHttpConnection::HTTP_VERB_POST,
   strObject, NULL, 1, NULL, NULL,INTERNET_FLAG_SECURE);
  g_pHttpFile->AddRequestHeaders(g_szHeaders);
  dwReqFlags = SECURITY_FLAG_IGNORE_CERT_CN_INVALID  | SECURITY_FLAG_IGNORE_CERT_DATE_INVALID | SECURITY_FLAG_IGNORE_UNKNOWN_CA | SECURITY_FLAG_IGNORE_REVOCATION | SECURITY_FLAG_IGNORE_WRONG_USAGE;
  g_pHttpFile->SetOption(INTERNET_OPTION_SECURITY_FLAGS, (LPVOID)&dwReqFlags, sizeof(dwReqFlags));
 }
 catch(CInternetException*)
 {
  if(g_pHttpFile)
  {
   g_pHttpFile->Close();
   g_pHttpFile = NULL;
  }
  if (g_pHttpConn != NULL)
  {
   g_pHttpConn->Close();
   delete g_pHttpConn;
  }
  return -3;
 }
 return 0;
}
////////////////////////////////////////////////////////////////////////////////////
int   SendData(char *pbData, DWORD dwLen)
{
 if(g_pHttpConn == NULL ||
  g_pHttpFile == NULL ||
  pbData == NULL ||
  dwLen <= 0 )
 {
  return -1;
 }
 try
 {
  BOOL bRV = g_pHttpFile->SendRequest(g_szHeaders, g_nHeaderLen, pbData, dwLen);
  if(!bRV)
  {
   return -4;
  }
 }
 catch(CInternetException*)
 {
  return -3;
 }
 return 0;
}

int   ReadData(char *pbData, DWORD dwLen)
{
 if(g_pHttpConn == NULL ||
  g_pHttpFile == NULL ||
  pbData == NULL ||
  dwLen <= 0 )
 {
  return -1;
 }
 int nReadLen = 0;
 try
 {
  nReadLen = g_pHttpFile->Read(pbData, dwLen);
 }
 catch(CInternetException*)
 {
  return -3;
 }
 return nReadLen;
}

void   HttpClose()
{
 if(g_pHttpFile)
 {
  g_pHttpFile->Close();
  g_pHttpFile = NULL;
 }
 if(g_pHttpConn)
 {
  g_pHttpConn->Close();
  g_pHttpConn = NULL;
 }
 if(g_ISession)
 {
  g_ISession->Close();
  delete g_ISession;
 }
}
////////////////////////////////////////////////////////////////////////////////////
void CTestHttpsDlg::OnOK()
{
 int rv = -1;
 char pbSendData[1024] = "flag=sign&a=1&b=2";
 int nSendLen = strlen(pbSendData);
 char pbRecvData[1024] = {0};
 int nRecvLen = sizeof(pbRecvData);
 int nLen = 0;
 rv = HttpConnect("https://10.0.89.12/test.jsp");
 if( rv != 0)
 {
  return;
 }
 rv = SendData(pbSendData, nSendLen);
 if( rv != 0)
 {
  return;
 }
 while(1)
 {
  rv = ReadData(pbRecvData, nRecvLen);
  if( rv <= 0)
  {
   break;
  }
  OutputDebugString(pbRecvData);
 }

 strcpy(pbSendData, "flag=check&a=4&b=5");
 rv = SendData(pbSendData, nSendLen);
 if( rv != 0)
 {
  return;
 }
 while(1)
 {
  rv = ReadData(pbRecvData, nRecvLen);
  if( rv <= 0)
  {
   break;
  }
  OutputDebugString(pbRecvData);
 }
      HttpClose();
}