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windows-nt/Source/XPSP1/NT/shell/osshell/snapins/devmgr/snapin/cdriver.cpp

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2020-09-26 03:20:57 -05:00
/*++
Copyright (C) 1997-1999 Microsoft Corporation
Module Name:
CDriver.cpp
Abstract:
This module implements CDriver and CService classes
Author:
William Hsieh (williamh) created
Revision History:
--*/
#include "devmgr.h"
#include "cdriver.h"
const TCHAR* tszStringFileInfo = TEXT("StringFileInfo\\%04X%04X\\");
const TCHAR* tszFileVersion = TEXT("FileVersion");
const TCHAR* tszLegalCopyright = TEXT("LegalCopyright");
const TCHAR* tszCompanyName = TEXT("CompanyName");
const TCHAR* tszTranslation = TEXT("VarFileInfo\\Translation");
const TCHAR* tszStringFileInfoDefault = TEXT("StringFileInfo\\040904B0\\");
BOOL
CDriver::Create(
CDevice* pDevice,
PSP_DRVINFO_DATA pDrvInfoData
)
{
HKEY hKey;
TCHAR InfPath[MAX_PATH];
TCHAR InfName[MAX_PATH];
ASSERT(pDevice);
m_pDevice = pDevice;
m_OnLocalMachine = pDevice->m_pMachine->IsLocal();
CMachine* pMachine = m_pDevice->m_pMachine;
ASSERT(pMachine);
//
// We can't get the digital signer on remote machines
//
if (!m_OnLocalMachine) {
return TRUE;
}
m_hSDBDrvMain = SdbInitDatabase(SDB_DATABASE_MAIN_DRIVERS, NULL);
//
// Open drvice's driver registry key to get the InfPath
//
hKey = pMachine->DiOpenDevRegKey(*m_pDevice, DICS_FLAG_GLOBAL,
0, DIREG_DRV, KEY_READ);
if (INVALID_HANDLE_VALUE != hKey) {
DWORD regType;
DWORD Len = sizeof(InfName);
CSafeRegistry regDrv(hKey);
//
// Get the inf path from the driver key
//
if (regDrv.GetValue(REGSTR_VAL_INFPATH,
&regType,
(PBYTE)InfName,
&Len)) {
if (GetSystemWindowsDirectory(InfPath, ARRAYLEN(InfPath))) {
if (lstrlen(InfPath))
{
//
// Tack on an extra back slash if one is needed
//
if (_T('\\') != InfPath[lstrlen(InfPath) - 1])
{
lstrcat(InfPath, TEXT("\\"));
}
lstrcat(InfPath, TEXT("INF\\"));
lstrcat(InfPath, InfName);
pMachine->GetDigitalSigner(InfPath, m_DigitalSigner);
}
}
}
}
return TRUE;
}
BOOL
CDriver::BuildDriverList(
PSP_DRVINFO_DATA pDrvInfoData,
BOOL bFunctionAndFiltersOnly
)
{
SP_DRVINFO_DATA DrvInfoData;
HSPFILEQ hFileQueue = INVALID_HANDLE_VALUE;
SP_DEVINSTALL_PARAMS DevInstParams;
//
// If we already built up the list of driver files then we don't need
// to do it again.
//
if (m_DriverListBuilt) {
return m_listDriverFile.GetCount();
}
ASSERT(m_pDevice);
if (!m_OnLocalMachine) {
AddFunctionAndFilterDrivers(m_pDevice);
return m_listDriverFile.GetCount();
}
CMachine* pMachine = m_pDevice->m_pMachine;
ASSERT(pMachine);
hFileQueue = SetupOpenFileQueue();
//
// Only build up the list of files from the INF if bFunctionAndFiltersOnly
// is not TRUE.
//
if (!bFunctionAndFiltersOnly) {
DevInstParams.cbSize = sizeof(DevInstParams);
if (!pDrvInfoData) {
pMachine->DiGetDeviceInstallParams(*m_pDevice, &DevInstParams);
//
// Set the DI_FLAGSEX_INSTALLEDDRIVER flag before calling SetupDiBuildDriverInfoList.
// This will have it only put the installed driver into the list.
//
DevInstParams.FlagsEx |= (DI_FLAGSEX_INSTALLEDDRIVER |
DI_FLAGSEX_ALLOWEXCLUDEDDRVS);
if (pMachine->DiSetDeviceInstallParams(*m_pDevice,
&DevInstParams) &&
pMachine->DiBuildDriverInfoList(*m_pDevice,
SPDIT_CLASSDRIVER)) {
DrvInfoData.cbSize = sizeof(DrvInfoData);
//
// There should only be one driver in this list. If there isn't any
// drivers in this list then there must not be a driver currently
// installed on this device.
//
if (pMachine->DiEnumDriverInfo(*m_pDevice, SPDIT_CLASSDRIVER, 0, &DrvInfoData)) {
//
// Set this as the selected driver
//
pMachine->DiSetSelectedDriver(*m_pDevice, &DrvInfoData);
pDrvInfoData = &DrvInfoData;
} else {
//
// We did not find a match...so just destroy it.
//
pMachine->DiDestroyDriverInfoList(*m_pDevice,
SPDIT_CLASSDRIVER);
pDrvInfoData = NULL;
}
}
}
if (pDrvInfoData) {
//
// Get a list of all the files installed for this device
//
if (INVALID_HANDLE_VALUE != hFileQueue) {
DevInstParams.FileQueue = hFileQueue;
DevInstParams.Flags |= DI_NOVCP;
if (pMachine->DiSetDeviceInstallParams(*m_pDevice, &DevInstParams) &&
pMachine->DiCallClassInstaller(DIF_INSTALLDEVICEFILES, *m_pDevice)) {
//
// Dereference the file queue so that we can close it
//
DevInstParams.FileQueue = NULL;
DevInstParams.Flags &= ~DI_NOVCP;
pMachine->DiSetDeviceInstallParams(*m_pDevice, &DevInstParams);
}
}
if (pDrvInfoData == &DrvInfoData) {
pMachine->DiDestroyDriverInfoList(*m_pDevice, SPDIT_CLASSDRIVER);
}
}
}
//
// Add the funtion and device and class upper and lower filters, sometimes
// these aren't added via the INF file directly so this makes sure they
// show up in the list.
//
AddFunctionAndFilterDrivers(m_pDevice, hFileQueue);
if (hFileQueue != INVALID_HANDLE_VALUE) {
//
// Scan the file queue.
//
DWORD ScanResult;
SetupScanFileQueue(hFileQueue,
SPQ_SCAN_USE_CALLBACK_SIGNERINFO,
NULL,
ScanQueueCallback,
(PVOID)this,
&ScanResult
);
//
// Close the file queue
//
SetupCloseFileQueue(hFileQueue);
}
m_DriverListBuilt = TRUE;
return m_listDriverFile.GetCount();
}
void
CDriver::AddDriverFile(
CDriverFile* pNewDrvFile
)
{
//
// Check to see if this driver already exists in the list.
//
POSITION pos = m_listDriverFile.GetHeadPosition();
while (NULL != pos) {
CDriverFile* pDrvFile = m_listDriverFile.GetNext(pos);
if (lstrcmpi(pDrvFile->GetFullPathName(), pNewDrvFile->GetFullPathName()) == 0) {
//
// This file already exists in the list so just return without
// adding it.
//
return;
}
}
m_listDriverFile.AddTail(pNewDrvFile);
}
void
CDriver::AddFunctionAndFilterDrivers(
CDevice* pDevice,
HSPFILEQ hFileQueue
)
{
TCHAR ServiceName[MAX_PATH];
ULONG BufferLen;
HKEY hKey;
DWORD regType;
//
// Get the function driver
//
if (pDevice->m_pMachine->DiGetDeviceRegistryProperty(*pDevice,
SPDRP_SERVICE,
NULL,
(PBYTE)ServiceName,
sizeof(ServiceName),
NULL
)) {
CreateFromService(pDevice, ServiceName, hFileQueue);
}
//
// Add the upper and lower device filters
//
for (int i = 0; i<2; i++) {
BufferLen = 0;
pDevice->m_pMachine->DiGetDeviceRegistryProperty(
*pDevice,
i ? SPDRP_LOWERFILTERS : SPDRP_UPPERFILTERS,
NULL,
NULL,
BufferLen,
&BufferLen
);
if (BufferLen != 0) {
PTSTR Buffer = new TCHAR[BufferLen+2];
if (Buffer) {
ZeroMemory(Buffer, BufferLen+2);
if (pDevice->m_pMachine->DiGetDeviceRegistryProperty(
*pDevice,
i ? SPDRP_LOWERFILTERS : SPDRP_UPPERFILTERS,
NULL,
(PBYTE)Buffer,
BufferLen,
&BufferLen
)) {
for (PTSTR SingleItem = Buffer; *SingleItem; SingleItem += (lstrlen(SingleItem) + 1)) {
CreateFromService(pDevice, SingleItem, hFileQueue);
}
}
delete Buffer;
}
}
}
//
// Add the upper and lower class filters
//
GUID ClassGuid;
pDevice->ClassGuid(ClassGuid);
hKey = m_pDevice->m_pMachine->DiOpenClassRegKey(&ClassGuid, KEY_READ, DIOCR_INSTALLER);
if (INVALID_HANDLE_VALUE != hKey) {
CSafeRegistry regClass(hKey);
for (int i = 0; i<2; i++) {
BufferLen = 0;
regClass.GetValue(i ? REGSTR_VAL_LOWERFILTERS : REGSTR_VAL_UPPERFILTERS,
&regType,
NULL,
&BufferLen
);
if (BufferLen != 0) {
PTSTR Buffer = new TCHAR[BufferLen+2];
if (Buffer) {
ZeroMemory(Buffer, BufferLen+2);
if (regClass.GetValue(i ? REGSTR_VAL_LOWERFILTERS : REGSTR_VAL_UPPERFILTERS,
&regType,
(PBYTE)Buffer,
&BufferLen
)) {
for (PTSTR SingleItem = Buffer; *SingleItem; SingleItem += (lstrlen(SingleItem) + 1)) {
CreateFromService(pDevice, SingleItem, hFileQueue);
}
}
delete Buffer;
}
}
}
}
}
void
CDriver::CreateFromService(
CDevice* pDevice,
PCTSTR ServiceName,
HSPFILEQ hFileQueue
)
{
SC_HANDLE hscManager = NULL;
SC_HANDLE hscService = NULL;
if (!ServiceName) {
return;
}
try
{
BOOL ComposePathNameFromServiceName = TRUE;
// open default database on local machine for now
hscManager = OpenSCManager(m_OnLocalMachine ? NULL : pDevice->m_pMachine->GetMachineFullName(),
NULL, GENERIC_READ);
if (NULL != hscManager)
{
hscService = OpenService(hscManager, ServiceName, GENERIC_READ);
if (NULL != hscService)
{
QUERY_SERVICE_CONFIG qsc;
DWORD BytesRequired;
// first, probe for buffer size
if (!QueryServiceConfig(hscService, NULL, 0, &BytesRequired) &&
ERROR_INSUFFICIENT_BUFFER == GetLastError())
{
TCHAR FullPath[MAX_PATH];
BufferPtr<BYTE> BufPtr(BytesRequired);
LPQUERY_SERVICE_CONFIG pqsc;
pqsc = (LPQUERY_SERVICE_CONFIG)(PBYTE)BufPtr;
DWORD Size;
if (QueryServiceConfig(hscService, pqsc, BytesRequired, &Size) &&
pqsc->lpBinaryPathName &&
(TEXT('\0') != pqsc->lpBinaryPathName[0]))
{
ComposePathNameFromServiceName = FALSE;
//
// Make sure we have a valid full path.
//
if (GetFullPathFromImagePath(pqsc->lpBinaryPathName,
FullPath,
ARRAYLEN(FullPath))) {
if (hFileQueue != INVALID_HANDLE_VALUE) {
//
// Add the file to the queue.
//
TCHAR TargetPath[MAX_PATH];
lstrcpy(TargetPath, FullPath);
PTSTR p = (PTSTR)StrRChr(TargetPath, NULL, TEXT('\\'));
if (p) {
*p = TEXT('\0');
}
SetupQueueCopy(hFileQueue,
NULL,
NULL,
MyGetFileTitle(FullPath),
NULL,
NULL,
TargetPath,
NULL,
0
);
} else {
//
// No file queue was passed in so just manually
// add this to our list of driver files.
//
SafePtr<CDriverFile> DrvFilePtr;
CDriverFile* pDrvFile = new CDriverFile();
DrvFilePtr.Attach(pDrvFile);
//
// We will set the GetWin32Error to 0xFFFFFFFF which will
// cause the UI to say 'not available' for the
// signature.
//
if (pDrvFile->Create(FullPath,
m_OnLocalMachine,
0xFFFFFFFF,
NULL,
m_hSDBDrvMain))
{
AddDriverFile(pDrvFile);
DrvFilePtr.Detach();
}
}
}
}
}
CloseServiceHandle(hscService);
hscService = NULL;
}
CloseServiceHandle(hscManager);
hscManager = NULL;
}
if (ComposePathNameFromServiceName)
{
TCHAR FullPathName[MAX_PATH];
TCHAR SysDir[MAX_PATH];
if ((GetSystemDirectory(SysDir, ARRAYLEN(SysDir)) != 0) &&
SUCCEEDED(StringCchCopy(FullPathName, ARRAYLEN(FullPathName), SysDir)) &&
SUCCEEDED(StringCchCat(FullPathName, ARRAYLEN(FullPathName), TEXT("\\drivers\\"))) &&
SUCCEEDED(StringCchCat(FullPathName, ARRAYLEN(FullPathName), ServiceName)) &&
SUCCEEDED(StringCchCat(FullPathName, ARRAYLEN(FullPathName), TEXT(".sys")))) {
if (hFileQueue != INVALID_HANDLE_VALUE) {
//
// Add the file to the queue.
//
TCHAR TargetPath[MAX_PATH];
lstrcpy(TargetPath, FullPathName);
PTSTR p = (PTSTR)StrRChr(TargetPath, NULL, TEXT('\\'));
if (p) {
*p = TEXT('\0');
}
SetupQueueCopy(hFileQueue,
NULL,
NULL,
MyGetFileTitle(FullPathName),
NULL,
NULL,
TargetPath,
NULL,
0
);
} else {
//
// No file queue was passed in so just manually
// add this to our list of driver files.
//
SafePtr<CDriverFile> DrvFilePtr;
CDriverFile* pDrvFile = new CDriverFile();
DrvFilePtr.Attach(pDrvFile);
//
// We will set the GetWin32Error to 0xFFFFFFFF which will
// cause the UI to say 'not available' for the
// signature.
//
if (pDrvFile->Create(FullPathName,
m_OnLocalMachine,
0xFFFFFFFF,
NULL,
m_hSDBDrvMain))
{
AddDriverFile(pDrvFile);
DrvFilePtr.Detach();
}
}
}
}
}
catch (CMemoryException* e)
{
if (hscService)
{
CloseServiceHandle(hscService);
}
if (hscManager)
{
CloseServiceHandle(hscManager);
}
throw;
}
}
CDriver::~CDriver()
{
if (!m_listDriverFile.IsEmpty())
{
POSITION pos = m_listDriverFile.GetHeadPosition();
while (NULL != pos) {
CDriverFile* pDrvFile = m_listDriverFile.GetNext(pos);
delete pDrvFile;
}
m_listDriverFile.RemoveAll();
}
if (m_hSDBDrvMain) {
SdbReleaseDatabase(m_hSDBDrvMain);
}
}
BOOL
CDriver::operator ==(
CDriver& OtherDriver
)
{
CDriverFile* pThisDrvFile;
CDriverFile* pOtherDrvFile;
BOOL DrvFileFound = FALSE;
PVOID ThisContext, OtherContext;
if (GetFirstDriverFile(&pThisDrvFile, ThisContext))
{
do {
DrvFileFound = FALSE;
if (OtherDriver.GetFirstDriverFile(&pOtherDrvFile, OtherContext))
{
do {
if (*pThisDrvFile == *pOtherDrvFile)
{
DrvFileFound = TRUE;
break;
}
} while (OtherDriver.GetNextDriverFile(&pOtherDrvFile, OtherContext));
}
} while (DrvFileFound && GetNextDriverFile(&pThisDrvFile, ThisContext));
return DrvFileFound;
}
else
{
// if both do not have driver file, they are equal.
return !OtherDriver.GetFirstDriverFile(&pOtherDrvFile, OtherContext);
}
}
//
// Can not throw a exception from this function because it is a callback
//
UINT
CDriver::ScanQueueCallback(
PVOID Context,
UINT Notification,
UINT_PTR Param1,
UINT_PTR Param2
)
{
try
{
if (SPFILENOTIFY_QUEUESCAN_SIGNERINFO == Notification && Param1)
{
CDriver* pDriver = (CDriver*)Context;
if (pDriver)
{
SafePtr<CDriverFile> DrvFilePtr;
CDriverFile* pDrvFile = new CDriverFile();
DrvFilePtr.Attach(pDrvFile);
//
// When creating the CDriver set the Win32Error to 0xFFFFFFFF
// if the user is loged in as a guest. This is because we
// cannot tell if a file is digitally signed if the user is
// a guest. If the user is not a guest then use the Win32Error
// returned from setupapi.
//
if (pDrvFile->Create((LPCTSTR)((PFILEPATHS_SIGNERINFO)Param1)->Target,
pDriver->IsLocal(),
pDriver->m_pDevice->m_pMachine->IsUserAGuest()
? 0xFFFFFFFF
: ((PFILEPATHS_SIGNERINFO)Param1)->Win32Error,
((PFILEPATHS_SIGNERINFO)Param1)->DigitalSigner,
pDriver->m_hSDBDrvMain
))
{
pDriver->AddDriverFile(pDrvFile);
DrvFilePtr.Detach();
}
}
}
}
catch (CMemoryException* e)
{
e->Delete();
return ERROR_NOT_ENOUGH_MEMORY;
}
return NO_ERROR;
}
BOOL
CDriver::GetFirstDriverFile(
CDriverFile** ppDrvFile,
PVOID& Context
)
{
ASSERT(ppDrvFile);
if (!m_listDriverFile.IsEmpty())
{
POSITION pos = m_listDriverFile.GetHeadPosition();
*ppDrvFile = m_listDriverFile.GetNext(pos);
Context = pos;
return TRUE;
}
Context = NULL;
*ppDrvFile = NULL;
return FALSE;
}
BOOL
CDriver::GetNextDriverFile(
CDriverFile** ppDrvFile,
PVOID& Context
)
{
ASSERT(ppDrvFile);
POSITION pos = (POSITION)Context;
if (NULL != pos)
{
*ppDrvFile = m_listDriverFile.GetNext(pos);
Context = pos;
return TRUE;
}
*ppDrvFile = NULL;
return FALSE;
}
void
CDriver::GetDriverSignerString(
String& strDriverSigner
)
{
if (m_DigitalSigner.IsEmpty()) {
strDriverSigner.LoadString(g_hInstance, IDS_NO_DIGITALSIGNATURE);
} else {
strDriverSigner = m_DigitalSigner;
}
}
BOOL
CDriver::GetFullPathFromImagePath(
LPCTSTR ImagePath,
LPTSTR FullPath,
UINT FullPathLength
)
{
TCHAR OriginalCurrentDirectory[MAX_PATH];
LPTSTR pRelativeString;
LPTSTR lpFilePart;
if (!ImagePath || (ImagePath[0] == TEXT('\0'))) {
return FALSE;
}
//
// If we aren't on a local machine then just return the file name and not
// the full path.
//
if (!m_OnLocalMachine) {
lstrcpyn(FullPath, MyGetFileTitle(ImagePath), FullPathLength);
return TRUE;
}
//
// First check if the ImagePath happens to be a valid full path.
//
if (GetFileAttributes(ImagePath) != 0xFFFFFFFF) {
::GetFullPathName(ImagePath, FullPathLength, FullPath, &lpFilePart);
return TRUE;
}
pRelativeString = (LPTSTR)ImagePath;
//
// If the ImagePath starts with "\SystemRoot" or "%SystemRoot%" then
// remove those values.
//
if (StrCmpNI(ImagePath, TEXT("\\SystemRoot\\"), lstrlen(TEXT("\\SystemRoot\\"))) == 0) {
pRelativeString += lstrlen(TEXT("\\SystemRoot\\"));
} else if (StrCmpNI(ImagePath, TEXT("%SystemRoot%\\"), lstrlen(TEXT("%SystemRoot%\\"))) == 0) {
pRelativeString += lstrlen(TEXT("%SystemRoot%\\"));
}
//
// At this point pRelativeString should point to the image path relative to
// the windows directory.
//
if (!GetSystemWindowsDirectory(FullPath, FullPathLength)) {
return FALSE;
}
if (!GetCurrentDirectory(ARRAYLEN(OriginalCurrentDirectory), OriginalCurrentDirectory)) {
OriginalCurrentDirectory[0] = TEXT('\0');
}
if (!SetCurrentDirectory(FullPath)) {
return FALSE;
}
::GetFullPathName(pRelativeString, FullPathLength, FullPath, &lpFilePart);
if (OriginalCurrentDirectory[0] != TEXT('\0')) {
SetCurrentDirectory(OriginalCurrentDirectory);
}
return TRUE;
}
BOOL
CDriverFile::Create(
LPCTSTR ServiceName,
BOOL LocalMachine,
DWORD Win32Error,
LPCTSTR DigitalSigner,
HSDB hSDBDrvMain
)
{
if (!ServiceName || (TEXT('\0') == ServiceName[0]))
{
return FALSE;
}
m_Win32Error = Win32Error;
if (DigitalSigner) {
m_strDigitalSigner = DigitalSigner;
}
//
// For remote machine, we can not verify if the driver file exits.
// we only show the driver name.
//
if (LocalMachine) {
m_Attributes = GetFileAttributes(ServiceName);
if (0xFFFFFFFF != m_Attributes) {
m_strFullPathName = ServiceName;
} else {
//
// The driver is a service. Do not search for the current director --
// GetFullPathName is useless here.
// Search for Windows dir and System directory
//
TCHAR BaseDir[MAX_PATH];
BaseDir[0] = TEXT('\0');
if (GetSystemWindowsDirectory(BaseDir, ARRAYLEN(BaseDir))) {
int Len;
Len = lstrlen(BaseDir);
if (Len)
{
if (_T('\\') != BaseDir[Len - 1])
{
lstrcat(BaseDir, TEXT("\\"));
}
lstrcat(BaseDir, MyGetFileTitle(ServiceName));
m_Attributes = GetFileAttributes(BaseDir);
}
if (0xFFFFFFFF == m_Attributes)
{
if (GetSystemDirectory(BaseDir, ARRAYLEN(BaseDir))) {
Len = lstrlen(BaseDir);
if (Len)
{
if (_T('\\') != BaseDir[Len - 1])
{
lstrcat(BaseDir, TEXT("\\"));
}
lstrcat(BaseDir, MyGetFileTitle(ServiceName));
m_Attributes = GetFileAttributes(BaseDir);
}
}
}
//
// hopeless, we could find the path
//
if (0xFFFFFFFF == m_Attributes)
{
return FALSE;
}
m_strFullPathName = BaseDir;
} else {
return FALSE;
}
}
m_HasVersionInfo = GetVersionInfo();
}
else {
m_strFullPathName = ServiceName;
//
//we do not have version info
//
m_HasVersionInfo = FALSE;
}
if (!m_strFullPathName.IsEmpty() && hSDBDrvMain != NULL) {
TAGREF tagref = TAGREF_NULL;
HAPPHELPINFOCONTEXT hAppHelpInfoContext = NULL;
SDBENTRYINFO entryinfo;
DWORD cbSize;
tagref = SdbGetDatabaseMatch(hSDBDrvMain,
(LPTSTR)m_strFullPathName,
INVALID_HANDLE_VALUE,
NULL,
0
);
if (tagref != TAGREF_NULL) {
//
// This driver is in the database.
//
m_IsDriverBlocked = TRUE;
//
// Call SdbReadDriverInformation to get the database GUID and the
// driver GUID for this entry.
//
ZeroMemory(&entryinfo, sizeof(entryinfo));
if (SdbReadDriverInformation(hSDBDrvMain,
tagref,
&entryinfo)) {
//
// Open up the App help information database and query for the
// html link.
//
hAppHelpInfoContext = SdbOpenApphelpInformation(&(entryinfo.guidDB),
&(entryinfo.guidID));
if (hAppHelpInfoContext) {
cbSize = 0;
PBYTE pBuffer = NULL;
cbSize = SdbQueryApphelpInformation(hAppHelpInfoContext,
ApphelpHelpCenterURL,
NULL,
0);
if (cbSize &&
(pBuffer = new BYTE[cbSize])) {
cbSize = SdbQueryApphelpInformation(hAppHelpInfoContext,
ApphelpHelpCenterURL,
(LPVOID)pBuffer,
cbSize);
if (cbSize) {
m_strHtmlHelpID = (LPTSTR)pBuffer;
}
delete pBuffer;
}
SdbCloseApphelpInformation(hAppHelpInfoContext);
}
}
}
}
return TRUE;
}
BOOL
CDriverFile::GetVersionInfo()
{
DWORD Size, dwHandle;
Size = GetFileVersionInfoSize((LPTSTR)(LPCTSTR)m_strFullPathName, &dwHandle);
if (!Size)
{
return FALSE;
}
BufferPtr<BYTE> BufPtr(Size);
PVOID pVerInfo = BufPtr;
if (GetFileVersionInfo((LPTSTR)(LPCTSTR)m_strFullPathName, dwHandle, Size,
pVerInfo))
{
// get VarFileInfo\Translation
PVOID pBuffer;
UINT Len;
String strStringFileInfo;
if (!VerQueryValue(pVerInfo, (LPTSTR)tszTranslation, &pBuffer, &Len))
{
strStringFileInfo = tszStringFileInfoDefault;
}
else
{
strStringFileInfo.Format(tszStringFileInfo, *((WORD*)pBuffer),
*(((WORD*)pBuffer) + 1));
}
String str;
str = strStringFileInfo + tszFileVersion;
if (VerQueryValue(pVerInfo, (LPTSTR)(LPCTSTR)str, &pBuffer, &Len))
{
m_strVersion = (LPTSTR)pBuffer;
str = strStringFileInfo + tszLegalCopyright;
if (VerQueryValue(pVerInfo, (LPTSTR)(LPCTSTR)str, &pBuffer, &Len))
{
m_strCopyright = (LPTSTR)pBuffer;
str = strStringFileInfo + tszCompanyName;
if (VerQueryValue(pVerInfo, (LPTSTR)(LPCTSTR)str, &pBuffer, &Len))
{
m_strProvider = (LPTSTR)pBuffer;
}
}
}
}
return TRUE;
}
BOOL
CDriverFile::operator ==(
CDriverFile& OtherDrvFile
)
{
return \
m_HasVersionInfo == OtherDrvFile.HasVersionInfo() &&
(GetFullPathName() == OtherDrvFile.GetFullPathName() ||
(GetFullPathName() && OtherDrvFile.GetFullPathName() &&
!lstrcmpi(GetFullPathName(), OtherDrvFile.GetFullPathName())
)
) &&
(GetProvider() == OtherDrvFile.GetProvider() ||
(GetProvider() && OtherDrvFile.GetProvider() &&
!lstrcmpi(GetProvider(), OtherDrvFile.GetProvider())
)
) &&
(GetCopyright() == OtherDrvFile.GetCopyright() ||
(GetCopyright() && OtherDrvFile.GetCopyright() &&
!lstrcmpi(GetCopyright(), OtherDrvFile.GetCopyright())
)
) &&
(GetVersion() == OtherDrvFile.GetVersion() ||
(GetVersion() && OtherDrvFile.GetVersion() &&
!lstrcmpi(GetVersion(), OtherDrvFile.GetVersion())
)
);
}
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