IE代理设置

来源：互联网发布：小站雅思有mac版吗编辑：程序博客网时间：2024/04/24 09:00

// TODO
class CSetIEProxy
{
public:
CSetIEProxy()
{

}
virtual ~CSetIEProxy()
{

}

public:
//
// 设置代理
//
BOOL SetProxy(CString strProxyServer)
{
  if (SetProxyOption(strProxyServer) && EnableConnetByLan())
  {
   return TRUE;
  }
  return FALSE;
}

//
// 取消代理
//
BOOL CanCelProxy()
{
  if (DisableConnectionProxy() && DisableConnetByLan())
  {
   return TRUE;
  }
  return FALSE;
}

//
// 得到代理(此函数功能有待开发)
//
void GetProxy()
{
  GetProxyOption();
}

protected:
//
// 设置Internet代理连接选项
//
BOOL SetProxyOption(CString strProxyServer)
{
  INTERNET_PER_CONN_OPTION_LIST List;
  INTERNET_PER_CONN_OPTION Option[3];
  unsigned long nSize = sizeof(INTERNET_PER_CONN_OPTION_LIST);

  Option[0].dwOption = INTERNET_PER_CONN_PROXY_SERVER;
  Option[0].Value.pszValue = (LPTSTR)(LPCTSTR)strProxyServer;

  Option[1].dwOption = INTERNET_PER_CONN_FLAGS;
  Option[1].Value.dwValue = PROXY_TYPE_PROXY;
  Option[1].Value.dwValue |= PROXY_TYPE_DIRECT;

  // This option sets all the possible connection types for the client.
  // This case specifies that the proxy can be used or direct connection is possible.
  Option[2].dwOption = INTERNET_PER_CONN_PROXY_BYPASS;
  Option[2].Value.pszValue = _T("<local>");

  List.dwSize = sizeof(INTERNET_PER_CONN_OPTION_LIST);
  List.pszConnection = NULL;
  List.dwOptionCount = 3;
  List.dwOptionError = 0;
  List.pOptions = Option;

  if (!InternetSetOption(NULL, INTERNET_OPTION_PER_CONNECTION_OPTION, &List, nSize))
  {
   return FALSE;
  }

  Update();

return TRUE;
}

//
    // 得到Internet代理连接选项
//
void GetProxyOption()
{
  INTERNET_PER_CONN_OPTION_LIST iOptionList;      //////Internet连接选项
  INTERNET_PER_CONN_OPTION  iOptions[3];
  ULONG       uSize = sizeof(iOptionList);

  iOptionList.dwSize   = uSize;
  iOptionList.pszConnection = NULL;
  iOptionList.dwOptionCount = 3;
  iOptionList.pOptions  = iOptions;

  // set proxy type direct or proxy server
  iOptions[0].dwOption = INTERNET_PER_CONN_FLAGS;
  iOptions[1].dwOption = INTERNET_PER_CONN_PROXY_SERVER;
  iOptions[2].dwOption = INTERNET_PER_CONN_PROXY_BYPASS;

  if(InternetQueryOption(NULL,INTERNET_OPTION_PER_CONNECTION_OPTION ,(LPVOID)(&iOptionList),&uSize))
  {
   GlobalFree(iOptionList.pOptions[1].Value.pszValue);
   GlobalFree(iOptionList.pOptions[2].Value.pszValue);
   GlobalFree(iOptionList.pOptions[3].Value.pszValue);
  }
}

//
// 取消IE代理设置
//
BOOL DisableConnectionProxy()
{
  INTERNET_PER_CONN_OPTION_LIST List;
  INTERNET_PER_CONN_OPTION Option[1];
  unsigned long nSize = sizeof(INTERNET_PER_CONN_OPTION_LIST);

  Option[0].dwOption = INTERNET_PER_CONN_FLAGS;
  Option[0].Value.dwValue = PROXY_TYPE_DIRECT;

  List.dwSize = sizeof(INTERNET_PER_CONN_OPTION_LIST);
  List.pszConnection = NULL;
  List.dwOptionCount = 1;
  List.dwOptionError = 0;
  List.pOptions = Option;

  if (!InternetSetOption(NULL, INTERNET_OPTION_PER_CONNECTION_OPTION, &List, nSize))
  {
   return FALSE;
  }

  Update();

return TRUE;
}

// 使代理可用
//
// 修改IE拨号选项，改为不拨号
//
BOOL EnableConnetByLan()
{
  HKEY hKey = OpenRegister();
  if (NULL == hKey)
  {
   return FALSE;
  }

  DWORD dw = FALSE;
  if (ERROR_SUCCESS != RegSetValueEx(hKey,                     // subkey handle
   _T("EnableAutodial"),                               // value name
   0,                                       // must be zero
   REG_DWORD,                                               // value type
   (LPBYTE)&dw,                                             // pointer to value data
   sizeof(dw)))
  {
   RegCloseKey(hKey);
   return FALSE;
  }
  RegCloseKey(hKey);
  Update();

  return TRUE;
}

// 使代理不可用
//
// 修改IE拨号选项，改为拨号
//
BOOL DisableConnetByLan()
{
  HKEY hKey = OpenRegister();
  if (NULL == hKey)
  {
   return FALSE;
  }

  DWORD dw = TRUE;
  if (ERROR_SUCCESS != RegSetValueEx(hKey,                     // subkey handle
   _T("EnableAutodial"),                               // value name
   0,                                       // must be zero
   REG_DWORD,                                               // value type
   (LPBYTE)&dw,                                             // pointer to value data
   sizeof(dw)))
  {
   RegCloseKey(hKey);
   return FALSE;
  }

  RegCloseKey(hKey);
  Update();

return TRUE;
}

// 打开注册表项
HKEY CSetIEProxy::OpenRegister()
{
  HKEY hKey;
  DWORD dwDisp;
  long lResult = 0;
  lResult = RegCreateKeyEx(HKEY_CURRENT_USER,
   _T("Software//Microsoft//Windows//CurrentVersion//Internet Settings"),
   0,
   _T(""),
   0,
   0,
   NULL,
   &hKey,
   &dwDisp);
  if (ERROR_SUCCESS != lResult)
  {
   hKey = NULL;
  }

  return hKey;
}

// 更新代理
void CSetIEProxy::Update()
{
  //通知:注册表中代理改变,下次连接时启动代理
  InternetSetOption(NULL, INTERNET_OPTION_SETTINGS_CHANGED, NULL, 0);
  //从注册表中读入代理
  InternetSetOption(NULL, INTERNET_OPTION_REFRESH , NULL, 0);
}
};

如果需要枚举拨号连接，可以使用 RasEnumConnections
// 详细的请见 BLOG.CSND.NET/HAPPYHELL