499 lines
13 KiB
C++
499 lines
13 KiB
C++
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992-2001.
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//
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// File: V I R T U A L . C P P
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//
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// Contents: Virtual miniport class definition.
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//
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// Notes:
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//
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// Author: Alok Sinha
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//----------------------------------------------------------------------------
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#include "virtual.h"
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#include "common.h"
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//+---------------------------------------------------------------------------
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//
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// Function: CMuxVirtualMiniport::CMuxVirtualMiniport
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//
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// Purpose: Constructor for class CMuxVirtualMiniport
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//
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// Arguments: None
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//
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// Returns:
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//
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// Notes:
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//
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CMuxVirtualMiniport::CMuxVirtualMiniport(INetCfg *pnc,
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GUID *pguidMiniport,
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GUID *pguidAdapter)
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{
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TraceMsg( L"-->CMuxVirtualMiniport::CMuxVirtualMiniport(Constructor).\n" );
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m_pnc = pnc;
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m_pnc->AddRef();
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CopyMemory( &m_guidAdapter,
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pguidAdapter,
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sizeof(GUID) );
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if ( pguidMiniport ) {
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CopyMemory( &m_guidMiniport,
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pguidMiniport,
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sizeof(GUID) );
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}
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else {
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ZeroMemory( &m_guidMiniport,
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sizeof(GUID) );
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}
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TraceMsg( L"<--CMuxVirtualMiniport::CMuxVirtualMiniport(Constructor).\n" );
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}
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//+---------------------------------------------------------------------------
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//
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// Function: CMuxVirtualMiniport::~CMuxVirtualMiniport
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//
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// Purpose: Destructor for class CMuxVirtualMiniport
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//
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// Arguments: None
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//
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// Returns:
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//
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// Notes:
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//
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CMuxVirtualMiniport::~CMuxVirtualMiniport(VOID)
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{
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TraceMsg( L"-->CMuxVirtualMiniport::~CMuxVirtualMiniport(Destructor).\n" );
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ReleaseObj( m_pnc );
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TraceMsg( L"<--CMuxVirtualMiniport::~CMuxVirtualMiniport(Destructor).\n" );
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}
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//+---------------------------------------------------------------------------
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//
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// Function: CMuxVirtualMiniport::LoadConfiguration
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//
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// Purpose: Load miniport configuration from the registry.
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//
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// Arguments: None
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//
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// Returns: S_OK on success, otherwise an error code.
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//
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// Notes:
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//
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HRESULT CMuxVirtualMiniport::LoadConfiguration(VOID)
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{
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TraceMsg( L"-->CMuxVirtualMiniport::LoadConfiguration.\n" );
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TraceMsg( L"<--CMuxVirtualMiniport::LoadConfiguration(HRESULT = %x).\n",
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S_OK );
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return S_OK;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: CMuxVirtualMiniport::GetAdapterGUID
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//
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// Purpose: Returns the adapter GUID.
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//
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// Arguments:
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// OUT pguidAdapter: GUID of the adapter returned.
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//
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// Returns: None.
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//
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// Notes:
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//
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VOID CMuxVirtualMiniport::GetAdapterGUID (GUID *pguidAdapter)
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{
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TraceMsg( L"-->CMuxVirtualMiniport::GetAdapterGUID.\n" );
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CopyMemory( pguidAdapter,
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&m_guidAdapter,
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sizeof(GUID) );
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TraceMsg( L"<--CMuxVirtualMiniport::GetAdapterGUID.\n" );
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}
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//+---------------------------------------------------------------------------
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//
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// Function: CMuxVirtualMiniport::GetMiniportGUID
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//
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// Purpose: Returns the miniport GUID.
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//
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// Arguments:
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// OUT pguidMiniport: GUID of the miniport returned.
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//
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// Returns: None.
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//
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// Notes:
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//
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VOID CMuxVirtualMiniport::GetMiniportGUID (GUID *pguidMiniport)
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{
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TraceMsg( L"-->CMuxVirtualMiniport::GetMiniportGUID.\n" );
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CopyMemory( pguidMiniport,
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&m_guidMiniport,
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sizeof(GUID) );
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TraceMsg( L"<--CMuxVirtualMiniport::GetMiniportGUID.\n" );
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}
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//+---------------------------------------------------------------------------
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//
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// Function: CMuxVirtualMiniport::Install
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//
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// Purpose: Installs a virtual miniport.
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//
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// Arguments: None
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//
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// Returns: S_OK on success, otherwise an error code.
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//
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// Notes:
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//
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HRESULT CMuxVirtualMiniport::Install (VOID)
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{
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INetCfgClass *pncClass;
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INetCfgClassSetup *pncClassSetup;
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INetCfgComponent *pnccMiniport;
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HRESULT hr;
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TraceMsg( L"-->CMuxVirtualMiniport::Install.\n" );
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hr = m_pnc->QueryNetCfgClass( &GUID_DEVCLASS_NET,
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IID_INetCfgClass,
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(void **)&pncClass );
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if ( hr == S_OK ) {
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hr = pncClass->QueryInterface( IID_INetCfgClassSetup,
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(void **)&pncClassSetup );
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if ( hr == S_OK ) {
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hr = pncClassSetup->Install( c_szMuxMiniport,
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NULL,
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0,
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0,
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NULL,
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NULL,
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&pnccMiniport );
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if ( hr == S_OK ) {
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hr = pnccMiniport->GetInstanceGuid( &m_guidMiniport );
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if ( hr != S_OK ) {
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TraceMsg( L" Failed to get the instance guid, uninstalling "
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L" the miniport.\n" );
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pncClassSetup->DeInstall( pnccMiniport,
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NULL,
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NULL );
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}
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ReleaseObj( pnccMiniport );
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}
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else {
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TraceMsg( L" Failed to install the miniport.\n" );
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}
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ReleaseObj( pncClassSetup );
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}
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else {
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TraceMsg( L" QueryInterface failed.\n" );
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}
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ReleaseObj( pncClass );
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}
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else {
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TraceMsg( L" QueryNetCfgClass failed.\n" );
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}
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TraceMsg( L"<--CMuxVirtualMiniport::Install(HRESULT = %x).\n",
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hr );
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return hr;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: CMuxVirtualMiniport::DeInstall
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//
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// Purpose: Uninstalls the virtual miniport.
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//
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// Arguments: None
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//
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// Returns: S_OK on success, otherwise an error code.
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//
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// Notes:
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//
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HRESULT CMuxVirtualMiniport::DeInstall (VOID)
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{
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INetCfgClass *pncClass;
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INetCfgClassSetup *pncClassSetup;
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INetCfgComponent *pnccMiniport;
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HRESULT hr;
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TraceMsg( L"-->CMuxVirtualMiniport::DeInstall.\n" );
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hr = m_pnc->QueryNetCfgClass( &GUID_DEVCLASS_NET,
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IID_INetCfgClass,
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(void **)&pncClass );
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if ( hr == S_OK ) {
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hr = pncClass->QueryInterface( IID_INetCfgClassSetup,
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(void **)&pncClassSetup );
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if ( hr == S_OK ) {
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hr = HrFindInstance( m_pnc,
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m_guidMiniport,
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&pnccMiniport );
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if ( hr == S_OK ) {
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TraceMsg( L" Found the miniport instance to uninstall.\n" );
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hr = pncClassSetup->DeInstall( pnccMiniport,
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NULL,
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NULL );
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ReleaseObj( pnccMiniport );
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}
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else {
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TraceMsg( L" Didn't find the miniport instance to uninstall.\n" );
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}
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ReleaseObj( pncClassSetup );
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}
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else {
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TraceMsg( L" QueryInterface failed.\n" );
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}
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ReleaseObj( pncClass );
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}
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else {
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TraceMsg( L" QueryNetCfgClass failed.\n" );
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}
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TraceMsg( L"<--CMuxVirtualMiniport::DeInstall(HRESULT = %x).\n",
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hr );
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return hr;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: CMuxVirtualMiniport::ApplyRegistryChanges
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//
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// Purpose: Store the changes in the registry.
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//
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// Arguments:
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// IN eApplyAction: Action performed.
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//
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// Returns: S_OK on success, otherwise an error code.
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//
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// Notes:
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//
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HRESULT CMuxVirtualMiniport::ApplyRegistryChanges(ConfigAction eApplyAction)
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{
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HKEY hkeyAdapterGuid;
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WCHAR szAdapterGuid[MAX_PATH+1];
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WCHAR szAdapterGuidKey[MAX_PATH+1];
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WCHAR szMiniportGuid[MAX_PATH+1];
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LPWSTR lpDevice;
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LONG lResult = 0;
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TraceMsg( L"-->CMuxVirtualMiniport::ApplyRegistryChanges.\n" );
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switch( eApplyAction ) {
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case eActAdd: // Virtual miniport added.
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StringFromGUID2( m_guidAdapter,
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szAdapterGuid,
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MAX_PATH+1 );
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swprintf( szAdapterGuidKey,
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L"%s\\%s",
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c_szAdapterList,
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szAdapterGuid );
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lResult = RegCreateKeyExW( HKEY_LOCAL_MACHINE,
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szAdapterGuidKey,
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0,
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NULL,
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REG_OPTION_NON_VOLATILE,
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KEY_ALL_ACCESS,
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NULL,
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&hkeyAdapterGuid,
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NULL);
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if ( lResult == ERROR_SUCCESS ) {
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StringFromGUID2( m_guidMiniport,
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szMiniportGuid,
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MAX_PATH+1 );
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lpDevice = AddDevicePrefix( szMiniportGuid );
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if ( lpDevice ) {
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#ifndef PASSTHRU_NOTIFY
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lResult = AddToMultiSzValue( hkeyAdapterGuid,
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lpDevice );
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#else
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lResult = RegSetValueExW( hkeyAdapterGuid,
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c_szUpperBindings,
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0,
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REG_SZ,
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(LPBYTE)lpDevice,
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(wcslen(lpDevice) + 1) *
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sizeof(WCHAR) );
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#endif
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if ( lResult != ERROR_SUCCESS ) {
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TraceMsg( L" Failed to save %s at %s\\%s.\n",
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lpDevice,
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szAdapterGuidKey,
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c_szUpperBindings );
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}
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free( lpDevice );
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}
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else {
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lResult = ERROR_NOT_ENOUGH_MEMORY;
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}
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RegCloseKey( hkeyAdapterGuid );
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}
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else {
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TraceMsg( L" Failed to open the registry key: %s.\n",
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szAdapterGuidKey );
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}
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break;
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case eActRemove: // Virtual miniport removed.
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StringFromGUID2( m_guidAdapter,
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szAdapterGuid,
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MAX_PATH+1 );
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swprintf( szAdapterGuidKey,
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L"%s\\%s",
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c_szAdapterList,
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szAdapterGuid );
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lResult = RegCreateKeyExW( HKEY_LOCAL_MACHINE,
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szAdapterGuidKey,
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0,
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NULL,
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REG_OPTION_NON_VOLATILE,
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KEY_ALL_ACCESS,
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NULL,
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&hkeyAdapterGuid,
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NULL);
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if ( lResult == ERROR_SUCCESS ) {
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StringFromGUID2( m_guidMiniport,
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szMiniportGuid,
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MAX_PATH+1 );
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lpDevice = AddDevicePrefix( szMiniportGuid );
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TraceMsg( L" Deleting %s at %s.\n",
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lpDevice,
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szAdapterGuidKey );
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if ( lpDevice ) {
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#ifndef PASSTHRU_NOTIFY
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lResult = DeleteFromMultiSzValue( hkeyAdapterGuid,
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lpDevice );
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#else
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lResult = RegDeleteValueW( hkeyAdapterGuid,
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c_szUpperBindings );
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#endif
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if ( lResult != ERROR_SUCCESS ) {
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TraceMsg( L" Failed to delete %s at %s\\%s.\n",
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lpDevice,
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szAdapterGuidKey,
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c_szUpperBindings );
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}
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free( lpDevice );
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}
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RegCloseKey( hkeyAdapterGuid );
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}
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else {
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TraceMsg( L" Failed to open the registry key: %s.\n",
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szAdapterGuidKey );
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}
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}
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TraceMsg( L"<--CMuxVirtualMiniport::ApplyRegistryChanges(HRESULT = %x).\n",
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HRESULT_FROM_WIN32(lResult) );
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return HRESULT_FROM_WIN32(lResult);
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}
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//+---------------------------------------------------------------------------
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//
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// Function: CMuxVirtualMiniport::ApplyPnpChanges
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//
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// Purpose:
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//
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// Arguments:
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// IN eApplyAction: Action performed.
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//
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// Returns: S_OK on success, otherwise an error code.
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//
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// Notes:
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//
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HRESULT CMuxVirtualMiniport::ApplyPnpChanges
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(INetCfgPnpReconfigCallback *pfCallback,
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ConfigAction eApplyAction)
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{
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TraceMsg( L"-->CMuxVirtualMiniport::ApplyPnpChanges.\n" );
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TraceMsg( L"<--CMuxVirtualMiniport::ApplyPnpChanges(HRESULT = %x).\n",
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S_OK );
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return S_OK;
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}
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