Source code of Windows XP (NT5)
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//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1997 - 2000
//
// File: H N A P I M G R. C P P
//
// Contents: OEM API
//
// Notes:
//
// Author: billi 21 Nov 2000
//
//----------------------------------------------------------------------------
#include "pch.h"
#pragma hdrstop
#include <sddl.h>
#include <wchar.h>
HINSTANCE g_hOemInstance = NULL;
BOOLEAN g_fOemNotifyUser = TRUE;
BOOLEAN g_fSavedNotifyState = FALSE;
BOOLEAN IsSecureContext()
/*++
IsSecureContext
Routine Description:
This routine checks if the current user belongs to an Administrator Group.
Arguments:
none
Return Value:
TRUE = Current process does belong to an Administrator group
FALSE = Current process does Not belong to an Administrator group
--*/
{
PSID psidAdministrators;
BOOL bIsAdministrator = FALSE;
SID_IDENTIFIER_AUTHORITY siaNtAuthority = SECURITY_NT_AUTHORITY;
BOOL bResult = AllocateAndInitializeSid( &siaNtAuthority, 2,
SECURITY_BUILTIN_DOMAIN_RID, DOMAIN_ALIAS_RID_ADMINS,
0, 0, 0, 0, 0, 0, &psidAdministrators );
_ASSERT( bResult );
if ( bResult )
{
bResult = CheckTokenMembership( NULL, psidAdministrators, &bIsAdministrator );
_ASSERT( bResult );
FreeSid( psidAdministrators );
}
return (BOOLEAN)bIsAdministrator;
}
/*++
CenterWindow
Routine Description:
Arguments:
none
Return Value:
none
--*/
BOOLEAN
CenterDialog(
HWND hwndDlg // handle to dialog box
)
{
RECT rcDlg, rcDesktop;
HWND hwndDesktop;
hwndDesktop = GetDesktopWindow();
if ( GetWindowRect( hwndDlg, &rcDlg ) && GetWindowRect( hwndDesktop, &rcDesktop ) )
{
RECT rcCenter;
// Create a rectangle in the middle of the screen
rcDesktop.right -= rcDesktop.left;
rcDlg.right -= rcDlg.left;
rcDesktop.bottom -= rcDesktop.top;
rcDlg.bottom -= rcDlg.top;
if ( rcDesktop.right > rcDlg.right )
{
rcCenter.left = rcDesktop.left + ((rcDesktop.right - rcDlg.right) / 2);
rcCenter.right = rcCenter.left + rcDlg.right;
}
else
{
rcCenter.left = rcDesktop.left;
rcCenter.right = rcDesktop.right;
}
if ( rcDesktop.bottom > rcDlg.bottom )
{
rcCenter.top = rcDesktop.top + ((rcDesktop.bottom - rcDlg.bottom) / 2);
rcCenter.bottom = rcCenter.top + rcDlg.bottom;
}
else
{
rcCenter.top = rcDesktop.top;
rcCenter.bottom = rcDesktop.bottom;
}
return (BOOLEAN)SetWindowPos( hwndDlg, NULL,
rcCenter.left, rcCenter.top, 0, 0,
SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER );
}
return FALSE;
}
INT_PTR CALLBACK OemNotifyDialogProc(
HWND hwndDlg, // handle to dialog box
UINT uMsg, // message
WPARAM wParam, // first message parameter
LPARAM lParam // second message parameter
)
/*++
OemNotifyDialogProc
Routine Description:
Arguments:
none
Return Value:
none
--*/
{
switch ( uMsg )
{
case WM_INITDIALOG:
if ( CenterDialog( hwndDlg ) )
{
LPTSTR lpszFmt = new TCHAR[ NOTIFYFORMATBUFFERSIZE ];
if ( NULL != lpszFmt )
{
if ( LoadString( g_hOemInstance,
IDS_SECURITYNOTIFICATIONTEXT,
lpszFmt,
NOTIFYFORMATBUFFERSIZE ) > 0 )
{
TCHAR lpszCmdLine[MAX_PATH*2+1] = {0};
GetModuleFileName (NULL, lpszCmdLine, MAX_PATH*2);
LPTSTR lpszMsg = new TCHAR[ lstrlen(lpszCmdLine)*2 +
lstrlen(lpszFmt) + 2 ];
if ( NULL != lpszMsg )
{
wsprintf( lpszMsg, lpszFmt, lpszCmdLine, lpszCmdLine );
SetDlgItemText( hwndDlg, IDC_TXT_NOTIFICATION, lpszMsg );
delete lpszMsg;
}
}
delete lpszFmt;
}
}
break;
case WM_COMMAND:
switch ( LOWORD(wParam) )
{
case IDOK:
// Fall through.
case IDCANCEL:
if ( IsDlgButtonChecked( hwndDlg, IDC_CHK_DISABLESHARESECURITYWARN )
== BST_CHECKED )
{
g_fOemNotifyUser = FALSE;
}
EndDialog( hwndDlg, wParam );
return TRUE;
}
break;
}
return FALSE;
}
BOOLEAN IsNotifyApproved()
/*++
IsNotifyApproved
Routine Description:
IsSecureContext, g_fOemNotifyUser, g_fSavedNotifyState, DialogBox determine the
value returned. IsSecureContext MUST be TRUE to return TRUE. g_fSavedNotifyState
holds the value returned by DialogBox on the previous call.
Arguments:
none
Return Value:
TRUE
FALSE
--*/
{
BOOLEAN bApproved = FALSE;
if ( IsSecureContext() )
{
if ( g_fOemNotifyUser )
{
g_fSavedNotifyState = ( DialogBox( g_hOemInstance,
MAKEINTRESOURCE(IDD_SecurityNotification),
NULL,
OemNotifyDialogProc ) == IDOK ) ?
TRUE : FALSE;
g_fOemNotifyUser = FALSE;
}
bApproved = g_fSavedNotifyState;
}
return bApproved;
}
HRESULT InitializeOemApi(
HINSTANCE hInstance
)
/*++
InitializedOemApi
Routine Description:
Arguments:
none
Return Value:
HRESULT
--*/
{
g_hOemInstance = hInstance;
g_fOemNotifyUser = TRUE;
g_fSavedNotifyState = FALSE;
return S_OK;
}
HRESULT ReleaseOemApi()
/*++
ReleaseOemApi
Routine Description:
Arguments:
none
Return Value:
HRESULT
--*/
{
g_hOemInstance = NULL;
return S_OK;
}
static HRESULT
_ObtainCfgMgrObj(
IHNetCfgMgr** ppHNetCfgMgr)
/*++
_ObtainCfgMgrObj
Routine Description:
Arguments:
none
Return Value:
none
--*/
{
HRESULT hr = S_OK;
if ( NULL == ppHNetCfgMgr )
{
hr = E_POINTER;
}
else
{
hr = CoCreateInstance(
CLSID_HNetCfgMgr,
NULL,
CLSCTX_INPROC_SERVER,
IID_PPV_ARG(IHNetCfgMgr, ppHNetCfgMgr)
);
_ASSERT(NULL != *ppHNetCfgMgr);
}
return hr;
}
/*++
_ObtainIcsSettingsObj
Routine Description:
Arguments:
ppIcs -
Return Value:
HRESULT
--*/
HRESULT
_ObtainIcsSettingsObj( IHNetIcsSettings** ppIcsSettings )
{
HRESULT hr;
IHNetCfgMgr* pCfgMgr;
hr = _ObtainCfgMgrObj( &pCfgMgr );
if ( SUCCEEDED(hr) )
{
// Obtain interface pointer to the ICS Settings and enumerator for
// public connections
hr = pCfgMgr->QueryInterface(
IID_PPV_ARG(IHNetIcsSettings, ppIcsSettings) );
ReleaseObj( pCfgMgr );
}
return hr;
}
HRESULT
CNetSharingConfiguration::Initialize(
INetConnection *pNetConnection
)
/*++
CNetSharingConfiguration::Initialize
Routine Description:
Arguments:
none
Return Value:
none
--*/
{
HRESULT hr;
IHNetCfgMgr* pCfgMgr;
hr = _ObtainCfgMgrObj( &pCfgMgr );
if ( SUCCEEDED(hr) )
{
IHNetConnection* pHNetConnection;
hr = pCfgMgr->GetIHNetConnectionForINetConnection( pNetConnection, &pHNetConnection );
if ( SUCCEEDED(hr) )
{
IHNetProtocolSettings* pSettings;
hr = pCfgMgr->QueryInterface(
IID_PPV_ARG(IHNetProtocolSettings, &pSettings) );
_ASSERT( SUCCEEDED(hr) );
if ( SUCCEEDED(hr) )
{
EnterCriticalSection(&m_csSharingConfiguration);
ReleaseObj(m_pHNetConnection);
m_pHNetConnection = pHNetConnection;
m_pHNetConnection->AddRef();
ReleaseObj(m_pSettings);
m_pSettings = pSettings;
m_pSettings->AddRef();
LeaveCriticalSection(&m_csSharingConfiguration);
ReleaseObj(pSettings);
}
ReleaseObj(pHNetConnection);
}
ReleaseObj(pCfgMgr);
}
return hr;
}
/*++
CNetSharingManager::GetSharingInstalled
Routine Description:
Arguments:
none
Return Value:
none
--*/
STDMETHODIMP
CNetSharingManager::get_SharingInstalled(
VARIANT_BOOL *pbInstalled )
{
HNET_OEM_API_ENTER
HRESULT hr = S_OK;
if ( NULL == pbInstalled )
{
hr = E_POINTER;
}
else
{
BOOLEAN bInstalled = FALSE;
SC_HANDLE ScmHandle;
SC_HANDLE ServiceHandle;
// Connect to the service control manager
ScmHandle = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
if ( ScmHandle )
{
// Open the shared access service
ServiceHandle = OpenService( ScmHandle, c_wszSharedAccess, SERVICE_ALL_ACCESS );
if ( ServiceHandle )
{
bInstalled = TRUE;
CloseServiceHandle(ServiceHandle);
}
CloseServiceHandle(ScmHandle);
}
*pbInstalled = bInstalled ? VARIANT_TRUE : VARIANT_FALSE;
}
return hr;
HNET_OEM_API_LEAVE
}
/*++
CNetSharingManager::GetINetSharingConfigurationForINetConnection
Routine Description:
Arguments:
none
Return Value:
none
--*/
STDMETHODIMP
CNetSharingManager::get_INetSharingConfigurationForINetConnection(
INetConnection* pNetConnection,
INetSharingConfiguration** ppNetSharingConfiguration
)
{
HNET_OEM_API_ENTER
HRESULT hr;
if ( NULL == ppNetSharingConfiguration )
{
hr = E_POINTER;
}
else if ( NULL == pNetConnection )
{
hr = E_INVALIDARG;
}
else
{
CComObject<CNetSharingConfiguration>* pNetConfig;
hr = CComObject<CNetSharingConfiguration>::CreateInstance(&pNetConfig);
if ( SUCCEEDED(hr) )
{
pNetConfig->AddRef();
hr = pNetConfig->Initialize(pNetConnection);
if ( SUCCEEDED(hr) )
{
hr = pNetConfig->QueryInterface(
IID_PPV_ARG( INetSharingConfiguration, ppNetSharingConfiguration ) );
}
ReleaseObj(pNetConfig);
}
}
return hr;
HNET_OEM_API_LEAVE
}