Leaked source code of windows server 2003
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/******************************************************************************
Copyright (c) 2000 Microsoft Corporation
Module Name:
Connectivity.cpp
Abstract:
This file contains the implementation of the CPCHConnectivity class.
Revision History:
Davide Massarenti (Dmassare) 04/15/2000
created
******************************************************************************/
#include "stdafx.h"
//
// Required by REGSTR_* macros.
//
#ifdef __TEXT
#undef __TEXT
#define __TEXT(quote) L##quote // r_winnt
#endif
#include <ras.h>
#include <raserror.h>
#include <inetreg.h>
#include <Iphlpapi.h>
static const WCHAR c_szURL_Connection[] = L"hcp://system/errors/Connection.htm";
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
CPCHConnectivity::CPCHConnectivity()
{
m_parent = NULL; // CPCHHelpCenterExternal* m_parent;
}
HRESULT CPCHConnectivity::ConnectToParent( /*[in]*/ CPCHHelpCenterExternal* parent )
{
m_parent = parent;
return S_OK;
}
STDMETHODIMP CPCHConnectivity::get_IsAModem( /*[out, retval]*/ VARIANT_BOOL *pVal )
{
__HCP_FUNC_ENTRY( "CPCHConnectivity::get_IsAModem" );
HRESULT hr;
DWORD dwMode = 0;
__MPC_PARAMCHECK_BEGIN(hr)
__MPC_PARAMCHECK_POINTER_AND_SET(pVal,VARIANT_FALSE);
__MPC_PARAMCHECK_END();
if(::InternetGetConnectedState( &dwMode, 0 ) == TRUE)
{
if(dwMode & INTERNET_CONNECTION_MODEM) *pVal = VARIANT_TRUE;
}
hr = S_OK;
__HCP_FUNC_CLEANUP;
__HCP_FUNC_EXIT(hr);
}
STDMETHODIMP CPCHConnectivity::get_IsALan( /*[out, retval]*/ VARIANT_BOOL *pVal )
{
__HCP_FUNC_ENTRY( "CPCHConnectivity::get_IsALan" );
HRESULT hr;
DWORD dwMode = 0;
__MPC_PARAMCHECK_BEGIN(hr)
__MPC_PARAMCHECK_POINTER_AND_SET(pVal,VARIANT_FALSE);
__MPC_PARAMCHECK_END();
if(::InternetGetConnectedState( &dwMode, 0 ) == TRUE)
{
if(dwMode & INTERNET_CONNECTION_LAN) *pVal = VARIANT_TRUE;
}
hr = S_OK;
__HCP_FUNC_CLEANUP;
__HCP_FUNC_EXIT(hr);
}
STDMETHODIMP CPCHConnectivity::get_AutoDialEnabled( /*[out, retval]*/ VARIANT_BOOL *pVal )
{
__HCP_FUNC_ENTRY( "CPCHConnectivity::get_AutoDialEnabled" );
HRESULT hr;
DWORD dwValue;
bool fFound;
__MPC_PARAMCHECK_BEGIN(hr)
__MPC_PARAMCHECK_POINTER_AND_SET(pVal,VARIANT_FALSE);
__MPC_PARAMCHECK_END();
__MPC_EXIT_IF_METHOD_FAILS(hr, MPC::RegKey_Value_Read( dwValue, fFound, REGSTR_PATH_INTERNET_SETTINGS, REGSTR_VAL_ENABLEAUTODIAL, HKEY_CURRENT_USER ));
if(fFound && dwValue != 0) *pVal = VARIANT_TRUE;
hr = S_OK;
__HCP_FUNC_CLEANUP;
__HCP_FUNC_EXIT(hr);
}
STDMETHODIMP CPCHConnectivity::get_HasConnectoid( /*[out, retval]*/ VARIANT_BOOL *pVal )
{
__HCP_FUNC_ENTRY( "CPCHConnectivity::get_HasConnectoid" );
HRESULT hr;
RASENTRYNAMEW* pEntries = NULL;
DWORD cb = sizeof(*pEntries);
DWORD cEntries = 0;
DWORD dwRet;
__MPC_PARAMCHECK_BEGIN(hr)
__MPC_PARAMCHECK_POINTER_AND_SET(pVal,VARIANT_FALSE);
__MPC_PARAMCHECK_END();
for(int pass=0; pass<2; pass++)
{
__MPC_EXIT_IF_ALLOC_FAILS(hr, pEntries, (RASENTRYNAMEW*)malloc( cb ));
::ZeroMemory( pEntries, cb ); pEntries[0].dwSize = sizeof(*pEntries);
dwRet = ::RasEnumEntriesW( NULL, NULL, pEntries, &cb, &cEntries );
if(dwRet == ERROR_SUCCESS) break;
if(dwRet == ERROR_BUFFER_TOO_SMALL)
{
free( pEntries ); pEntries = NULL; continue;
}
__MPC_SET_WIN32_ERROR_AND_EXIT(hr, dwRet);
}
*pVal = (cEntries > 0) ? VARIANT_TRUE : VARIANT_FALSE;
hr = S_OK;
__HCP_FUNC_CLEANUP;
if(pEntries) free( pEntries );
__HCP_FUNC_EXIT(hr);
}
STDMETHODIMP CPCHConnectivity::get_IPAddresses( /*[out, retval]*/ BSTR *pVal )
{
__HCP_FUNC_ENTRY( "CPCHConnectivity::get_IPAddresses" );
HRESULT hr;
IP_ADAPTER_INFO* pAdapterInfo = NULL;
ULONG cb = 1024; // Start with a default buffer.
MPC::wstring strList;
DWORD dwRet;
__MPC_PARAMCHECK_BEGIN(hr)
__MPC_PARAMCHECK_POINTER_AND_SET(pVal,NULL);
__MPC_PARAMCHECK_END();
for(int pass=0; pass<2; pass++)
{
__MPC_EXIT_IF_ALLOC_FAILS(hr, pAdapterInfo, (IP_ADAPTER_INFO*)malloc( cb ));
::ZeroMemory( pAdapterInfo, cb );
dwRet = ::GetAdaptersInfo( pAdapterInfo, &cb );
if(dwRet == ERROR_SUCCESS) break;
if(dwRet == ERROR_BUFFER_TOO_SMALL)
{
free( pAdapterInfo ); pAdapterInfo = NULL; continue;
}
__MPC_SET_WIN32_ERROR_AND_EXIT(hr, dwRet);
}
if(pAdapterInfo)
{
IP_ADAPTER_INFO* ptr = pAdapterInfo;
while(ptr)
{
IP_ADDR_STRING* addr = &ptr->IpAddressList;
while(addr)
{
WCHAR rgAddr[4 * 4 + 1]; ::MultiByteToWideChar( CP_ACP, 0, addr->IpAddress.String, -1, rgAddr, MAXSTRLEN(rgAddr) ); rgAddr[MAXSTRLEN(rgAddr)] = 0;
if(strList.size()) strList.append( L";" );
strList.append( rgAddr );
addr = addr->Next;
}
ptr = ptr->Next;
}
}
__MPC_EXIT_IF_METHOD_FAILS(hr, MPC::GetBSTR( strList.c_str(), pVal ));
hr = S_OK;
__HCP_FUNC_CLEANUP;
if(pAdapterInfo) free( pAdapterInfo );
__HCP_FUNC_EXIT(hr);
}
////////////////////////////////////////
STDMETHODIMP CPCHConnectivity::CreateObject_ConnectionCheck( /*[out, retval]*/ IPCHConnectionCheck* *ppCC )
{
__HCP_FUNC_ENTRY( "CPCHConnectivity::CreateObject_ConnectionCheck" );
HRESULT hr;
CComPtr<CPCHConnectionCheck> cc;
__MPC_PARAMCHECK_BEGIN(hr)
__MPC_PARAMCHECK_POINTER_AND_SET(ppCC,NULL);
__MPC_PARAMCHECK_END();
__MPC_EXIT_IF_METHOD_FAILS(hr, MPC::CreateInstance( &cc ));
__MPC_EXIT_IF_METHOD_FAILS(hr, cc.QueryInterface( ppCC ));
hr = S_OK;
__HCP_FUNC_CLEANUP;
__HCP_FUNC_EXIT(hr);
}
////////////////////////////////////////
STDMETHODIMP CPCHConnectivity::NetworkAlive( /*[out, retval]*/ VARIANT_BOOL *pVal )
{
__HCP_FUNC_ENTRY( "CPCHConnectivity::NetworkAlive" );
HRESULT hr;
__MPC_PARAMCHECK_BEGIN(hr)
__MPC_PARAMCHECK_POINTER_AND_SET(pVal,VARIANT_FALSE);
__MPC_PARAMCHECK_END();
*pVal = SUCCEEDED(MPC::Connectivity::NetworkAlive( HC_TIMEOUT_NETWORKALIVE )) ? VARIANT_TRUE : VARIANT_FALSE;
hr = S_OK;
__HCP_FUNC_CLEANUP;
__HCP_FUNC_EXIT(hr);
}
STDMETHODIMP CPCHConnectivity::DestinationReachable( /*[in]*/ BSTR bstrURL, /*[out, retval]*/ VARIANT_BOOL *pVal )
{
__HCP_FUNC_ENTRY( "CPCHConnectivity::DestinationReachable" );
HRESULT hr;
__MPC_PARAMCHECK_BEGIN(hr)
__MPC_PARAMCHECK_STRING_NOT_EMPTY(bstrURL);
__MPC_PARAMCHECK_POINTER_AND_SET(pVal,VARIANT_FALSE);
__MPC_PARAMCHECK_END();
if(SUCCEEDED(HyperLinks::IsValid ( bstrURL )) &&
SUCCEEDED(MPC::Connectivity::DestinationReachable( bstrURL, HC_TIMEOUT_DESTINATIONREACHABLE, NULL )) )
{
*pVal = VARIANT_TRUE;
}
hr = S_OK;
__HCP_FUNC_CLEANUP;
__HCP_FUNC_EXIT(hr);
}
////////////////////////////////////////
STDMETHODIMP CPCHConnectivity::AutoDial( /*[in]*/ VARIANT_BOOL bUnattended )
{
__HCP_FUNC_ENTRY( "CPCHConnectivity::AutoDial" );
HRESULT hr;
//
// Only call the Autodial API if we are really offline.
//
if(FAILED(MPC::Connectivity::NetworkAlive( HC_TIMEOUT_NETWORKALIVE )))
{
if(!::InternetAutodial( bUnattended == VARIANT_TRUE ? INTERNET_AUTODIAL_FORCE_UNATTENDED : INTERNET_AUTODIAL_FORCE_ONLINE, NULL ))
{
__MPC_SET_WIN32_ERROR_AND_EXIT(hr, ::GetLastError());
}
}
hr = S_OK;
__HCP_FUNC_CLEANUP;
__HCP_FUNC_EXIT(hr);
}
STDMETHODIMP CPCHConnectivity::AutoDialHangup()
{
__HCP_FUNC_ENTRY( "CPCHConnectivity::AutoDialHangup" );
HRESULT hr;
if(!::InternetAutodialHangup( 0 ))
{
__MPC_SET_WIN32_ERROR_AND_EXIT(hr, ::GetLastError());
}
hr = S_OK;
__HCP_FUNC_CLEANUP;
__HCP_FUNC_EXIT(hr);
}
STDMETHODIMP CPCHConnectivity::NavigateOnline( /*[in ]*/ BSTR bstrTargetURL ,
/*[in ]*/ BSTR bstrTopicTitle ,
/*[in ]*/ BSTR bstrTopicIntro ,
/*[in,optional]*/ VARIANT vOfflineURL )
{
__HCP_FUNC_ENTRY( "CPCHConnectivity::NavigateOnline" );
HRESULT hr;
MPC::wstring strURL;
__MPC_PARAMCHECK_BEGIN(hr)
__MPC_PARAMCHECK_STRING_NOT_EMPTY(bstrTargetURL);
__MPC_PARAMCHECK_NOTNULL(m_parent);
__MPC_PARAMCHECK_END();
MPC::HTML::vBuildHREF( strURL, c_szURL_Connection, L"online_url" , bstrTargetURL ,
L"topic_title", bstrTopicTitle ,
L"topic_intro", bstrTopicIntro ,
L"offline_url", vOfflineURL.vt == VT_BSTR ? vOfflineURL .bstrVal : NULL,
NULL );
__MPC_EXIT_IF_METHOD_FAILS(hr, m_parent->SetPanelUrl( HSCPANEL_CONTENTS, strURL.c_str() ));
hr = S_OK;
__HCP_FUNC_CLEANUP;
__HCP_FUNC_EXIT(hr);
}