windows-nt/Source/XPSP1/NT/admin/pchealth/client/datacoll/wmiprov/dllutils.cpp
2020-09-26 16:20:57 +08:00

1041 lines
28 KiB
C++

#include "pchealth.h"
#include <FWcommon.h>
#include <strings.h>
#include <DllUtils.h>
#include <BrodCast.h>
#include <lmerr.h>
#include <confgmgr.h>
#include <createmutexasprocess.h>
// sets a status object with one single missing privilege
void SetSinglePrivilegeStatusObject(MethodContext* pContext, const WCHAR* pPrivilege)
{
SAFEARRAY *psaPrivilegesReqd, *psaPrivilegesNotHeld;
SAFEARRAYBOUND rgsabound[1];
rgsabound[0].cElements = 1;
rgsabound[0].lLbound = 0;
psaPrivilegesReqd = SafeArrayCreate(VT_BSTR, 1, rgsabound);
psaPrivilegesNotHeld = SafeArrayCreate(VT_BSTR, 1, rgsabound);
if (psaPrivilegesReqd && psaPrivilegesNotHeld)
{
long index = 0;
bstr_t privilege(pPrivilege);
SafeArrayPutElement(psaPrivilegesReqd, &index, (void*)(BSTR)privilege);
SafeArrayPutElement(psaPrivilegesNotHeld, &index, (void*)(BSTR)privilege);
CWbemProviderGlue::SetStatusObject(pContext, IDS_CimWin32Namespace, "Required privilege not enabled", WBEM_E_FAILED, psaPrivilegesNotHeld, psaPrivilegesReqd);
}
if (psaPrivilegesNotHeld)
SafeArrayDestroy(psaPrivilegesNotHeld);
if (psaPrivilegesReqd)
SafeArrayDestroy(psaPrivilegesReqd);
}
// VER_PLATFORM_WIN32s Win32s on Windows 3.1
// VER_PLATFORM_WIN32_WINDOWS Win32 on Windows 95
// VER_PLATFORM_WIN32_NT Windows NT
DWORD GetPlatformID(void)
{
OSVERSIONINFO OsVersion;
OsVersion.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx((LPOSVERSIONINFO)&OsVersion);
return OsVersion.dwPlatformId;
}
// 3 for NT 3.51
// 4 for NT 4.0, W95 & W98
DWORD GetPlatformMajorVersion(void)
{
OSVERSIONINFO OsVersion;
OsVersion.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx((LPOSVERSIONINFO)&OsVersion);
return OsVersion.dwMajorVersion;
}
// 0 for W95, 10 for 98
DWORD GetPlatformMinorVersion(void)
{
OSVERSIONINFO OsVersion;
OsVersion.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx((LPOSVERSIONINFO)&OsVersion);
return OsVersion.dwMinorVersion;
}
// returns TRUE iff the current OS is Win 98+
// false for NT or Win 95
bool IsWin98(void)
{
OSVERSIONINFO OsVersion;
OsVersion.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx((LPOSVERSIONINFO)&OsVersion);
return (OsVersion.dwPlatformId == (VER_PLATFORM_WIN32_WINDOWS) && (OsVersion.dwMinorVersion >= 10));
}
bool IsWinNT5(void)
{
OSVERSIONINFO OsVersion;
OsVersion.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx((LPOSVERSIONINFO)&OsVersion);
return(OsVersion.dwPlatformId == (VER_PLATFORM_WIN32_NT) && (OsVersion.dwMajorVersion >= 5));
}
bool IsWinNT4(void)
{
OSVERSIONINFO OsVersion;
OsVersion.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx((LPOSVERSIONINFO)&OsVersion);
return(OsVersion.dwPlatformId == (VER_PLATFORM_WIN32_NT) && (OsVersion.dwMajorVersion == 4));
}
bool IsWinNT351(void)
{
OSVERSIONINFO OsVersion;
OsVersion.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx((LPOSVERSIONINFO)&OsVersion);
return ( OsVersion.dwPlatformId == VER_PLATFORM_WIN32_NT
&& OsVersion.dwMajorVersion == 3
&& OsVersion.dwMinorVersion == 51 );
}
/////////////////////////////////////////////////////////////////////
void LogEnumValueError( char * szFile, DWORD dwLine, char * szKey, char * szId )
{
if (IsErrorLoggingEnabled())
{
CHString gazotta;
gazotta.Format(ERR_REGISTRY_ENUM_VALUE_FOR_KEY, szId, szKey);
LogErrorMessageEx((const char *)gazotta, szFile, dwLine);
}
}
/////////////////////////////////////////////////////////////////////
void LogOpenRegistryError( char * szFile, DWORD dwLine, char * szKey )
{
if (IsErrorLoggingEnabled())
{
CHString gazotta;
gazotta.Format(ERR_OPEN_REGISTRY, szKey);
LogErrorMessageEx((const char *)gazotta, szFile, dwLine);
}
}
/////////////////////////////////////////////////////////////////////
// left in for hysterical purposes
// prefer to use LogMessage macro in BrodCast.h
void LogError( char * szFile, DWORD dwLine, char * szKey )
{
LogErrorMessageEx(szKey, szFile, dwLine);
}
/////////////////////////////////////////////////////////////////////
void LogLastError( char * szFile, DWORD dwLine )
{
if (IsErrorLoggingEnabled())
{
DWORD duhWord = GetLastError();
CHString gazotta;
gazotta.Format(IDS_GETLASTERROR, duhWord, duhWord);
LogErrorMessageEx(gazotta, szFile, dwLine);
}
}
///////////////////////////////////////////////////////////////////////
BOOL GetValue( CRegistry & Reg,
char * szKey,
char * ValueName,
CHString * pchsValueBuffer )
{
BOOL bRet = (Reg.GetCurrentKeyValue( ValueName, *pchsValueBuffer) == ERROR_SUCCESS);
if( !bRet )
LogEnumValueError(__FILE__,__LINE__, szKey, ValueName);
return bRet;
}
///////////////////////////////////////////////////////////////////////
BOOL GetValue( CRegistry & Reg,
char * szKey,
char * ValueName,
DWORD * dwValueBuffer )
{
BOOL bRet = (Reg.GetCurrentKeyValue( ValueName, *dwValueBuffer) == ERROR_SUCCESS);
if( !bRet )
LogEnumValueError(__FILE__,__LINE__, szKey, ValueName);
return bRet;
}
///////////////////////////////////////////////////////////////////////
BOOL OpenAndGetValue( CRegistry & Reg,
char * szKey,
char * ValueName,
CHString * pchsValueBuffer )
{
BOOL bRet = ( Reg.OpenLocalMachineKeyAndReadValue( szKey, ValueName, *pchsValueBuffer )== ERROR_SUCCESS);
if( !bRet )
LogEnumValueError(__FILE__,__LINE__, szKey, ValueName);
return bRet;
}
///////////////////////////////////////////////////////////////////////
BOOL GetBinaryValue( CRegistry & Reg, char * szKey,
char * ValueName, CHString * pchsValueBuffer )
{
BOOL bRet = ( Reg.GetCurrentBinaryKeyValue( ValueName, *pchsValueBuffer) == ERROR_SUCCESS);
if( !bRet )
(LogEnumValueError(__FILE__,__LINE__, szKey, ValueName));
return bRet;
}
/*****************************************************************************
*
* FUNCTION : GetDeviceParms
*
* DESCRIPTION : Gets drive characteristics (heads, tracks, cylinders, etc)
*
* INPUTS : Pointer to a DEVICEPARMS struct to receive the data
* Drive number of the drive to query (0 = default drive,
* 1 = A, 2 = B, and so on)
*
* OUTPUTS :
*
* RETURNS : TRUE if successful, FALSE otherwise
*
* COMMENTS :
*
*****************************************************************************/
BOOL GetDeviceParms(PDEVICEPARMS pstDeviceParms, UINT nDrive)
{
DEVIOCTL_REGISTERS reg;
memset(&reg, '\0', sizeof(DEVIOCTL_REGISTERS));
reg.reg_EAX = 0x440D; /* IOCTL for block devices */
reg.reg_EBX = nDrive; /* zero-based drive ID */
reg.reg_ECX = 0x0860; /* Get Media ID command */
reg.reg_EDX = (DWORD) pstDeviceParms;
memset(pstDeviceParms, 0, sizeof(DEVICEPARMS));
if (!VWIN32IOCTL(&reg, VWIN32_DIOC_DOS_IOCTL))
return FALSE;
if (reg.reg_Flags & 0x8000) /* error if carry flag set */
return FALSE;
return TRUE;
}
/*****************************************************************************
*
* FUNCTION : GetDriveMapInfo
*
* DESCRIPTION : Gets logical to physical mapping info
*
* INPUTS : Pointer to a DRIVE_MAP_INFO struct to receive the data
* Drive number of the drive to query (0 = default drive,
* 1 = A, 2 = B, and so on)
*
* OUTPUTS :
*
* RETURNS : TRUE if successful, FALSE otherwise
*
* COMMENTS :
*
*****************************************************************************/
BOOL GetDriveMapInfo(PDRIVE_MAP_INFO pDriveMapInfo, UINT nDrive)
{
DEVIOCTL_REGISTERS reg;
memset(&reg, '\0', sizeof(DEVIOCTL_REGISTERS));
reg.reg_EAX = 0x440d; /* IOCTL for block devices */
reg.reg_EBX = nDrive; /* zero-based drive ID */
reg.reg_ECX = 0x086f; /* Get Drive Map Info */
reg.reg_EDX = (DWORD) pDriveMapInfo;
// zero the struct
memset(pDriveMapInfo, 0, sizeof(DRIVE_MAP_INFO));
// Set the length byte
pDriveMapInfo->btAllocationLength = sizeof(DRIVE_MAP_INFO);
// Doit
if (!VWIN32IOCTL(&reg, VWIN32_DIOC_DOS_IOCTL))
return FALSE;
if (reg.reg_Flags & 0x8000) {/* error if carry flag set */
return FALSE;
}
return TRUE;
}
/*****************************************************************************
*
* FUNCTION : Get_ExtFreeSpace
*
* DESCRIPTION : Gets detailed info about a partition
*
* INPUTS : Drive number of the drive to query (0 = default drive,
* 1 = A, 2 = B, and so on)
* Pointer to ExtGetDskFreSpcStruct
*
* OUTPUTS :
*
* RETURNS : TRUE if successful, FALSE otherwise
*
* COMMENTS :
*
*****************************************************************************/
BOOL Get_ExtFreeSpace(BYTE btDriveName, ExtGetDskFreSpcStruc *pstExtGetDskFreSpcStruc)
{
DEVIOCTL_REGISTERS reg;
memset(&reg, '\0', sizeof(DEVIOCTL_REGISTERS));
char szDrive[4];
szDrive[0] = btDriveName;
szDrive[1] = ':';
szDrive[2] = '\\';
szDrive[3] = '\0';
reg.reg_EAX = 0x7303; // Get_ExtFreeSpace
reg.reg_ECX = sizeof(ExtGetDskFreSpcStruc); // Size of the structure sent in
reg.reg_EDI = (DWORD)pstExtGetDskFreSpcStruc; // Structure
reg.reg_EDX = (DWORD)szDrive; // Drive to get info for
// zero the struct
memset(pstExtGetDskFreSpcStruc, 0, sizeof(ExtGetDskFreSpcStruc));
// Doit
if (!VWIN32IOCTL(&reg, VWIN32_DIOC_DOS_DRIVEINFO))
return FALSE;
if (reg.reg_Flags & 0x8000) {/* error if carry flag set */
return FALSE;
}
return TRUE;
}
/*****************************************************************************
*
* FUNCTION : VWIN32IOCTL
*
* DESCRIPTION : Calls IOControl against the vwin32 vxd
*
* INPUTS : Pointer to DEVIOCTL_REGISTERS structure
* IOControl call number.
*
* OUTPUTS :
*
* RETURNS : TRUE if successful, FALSE otherwise
*
* COMMENTS :
*
*****************************************************************************/
BOOL VWIN32IOCTL(PDEVIOCTL_REGISTERS preg, DWORD dwCall)
{
HANDLE hDevice;
BOOL fResult;
DWORD cb;
preg->reg_Flags = 0x8000; /* assume error (carry flag set) */
hDevice = CreateFile("\\\\.\\VWIN32", 0, 0, 0, OPEN_EXISTING,
FILE_FLAG_DELETE_ON_CLOSE, 0);
if (hDevice == (HANDLE) INVALID_HANDLE_VALUE) {
return FALSE;
} else {
fResult = DeviceIoControl(hDevice, dwCall, preg, sizeof(*preg), preg, sizeof(*preg), &cb, 0);
}
CloseHandle(hDevice);
if (!fResult) {
return FALSE;
}
return TRUE;
}
CHString GetFileTypeDescription(char *szExtension)
{
CRegistry RegInfo;
CHString sTemp, sType(szExtension);
if (RegInfo.Open(HKEY_CLASSES_ROOT, szExtension, KEY_READ) == ERROR_SUCCESS) {
RegInfo.GetCurrentKeyValue("", sTemp);
if (RegInfo.Open(HKEY_CLASSES_ROOT, sTemp, KEY_READ) == ERROR_SUCCESS) {
RegInfo.GetCurrentKeyValue("", sType);
}
}
return sType;
}
///////////////////////////////////////////////////////////////////
//
// Define the severity codes
//
// Sev - is the severity code
//
// 00 - Success
// 01 - Informational
// 10 - Warning
// 11 - Error
//
// Define the severity codes
//
//
// Define the severity codes
//
#define STATUS_SEVERITY_WARNING 0x2
#define STATUS_SEVERITY_SUCCESS 0x0
#define STATUS_SEVERITY_INFORMATIONAL 0x1
#define STATUS_SEVERITY_ERROR 0x3
#define SEV_MASK 0xC0000000
void TranslateNTStatus( DWORD dwStatus, CHString & chsValue)
{
switch((dwStatus & SEV_MASK) >> 30){
case STATUS_SEVERITY_WARNING:
chsValue = IDS_STATUS_Degraded;
break;
case STATUS_SEVERITY_SUCCESS:
chsValue = IDS_STATUS_OK;
break;
case STATUS_SEVERITY_ERROR:
chsValue = IDS_STATUS_Error;
break;
case STATUS_SEVERITY_INFORMATIONAL:
chsValue = IDS_STATUS_OK;
break;
default:
chsValue = IDS_STATUS_Unknown;
}
}
BOOL GetVarFromVersionInfo(LPCTSTR szFile, LPCTSTR szVar, CHString &strValue)
{
BOOL fRc = FALSE;
DWORD dwTemp,
dwBlockSize;
LPVOID pInfo = NULL;
try
{
dwBlockSize = GetFileVersionInfoSize((LPTSTR) szFile, &dwTemp);
if (dwBlockSize)
{
pInfo = (LPVOID) new BYTE[dwBlockSize + 4];
memset( pInfo, NULL, dwBlockSize + 4);
if (pInfo)
{
UINT len;
if (GetFileVersionInfo((LPTSTR) szFile, 0, dwBlockSize, pInfo))
{
WORD wLang = 0;
WORD wCodePage = 0;
if(!GetVersionLanguage(pInfo, &wLang, &wCodePage) )
{
// on failure: default to English
// this returns a pointer to an array of WORDs
WORD *pArray;
if (VerQueryValue(pInfo, "\\VarFileInfo\\Translation",(void **)(&pArray), &len))
{
len = len / sizeof(WORD);
// find the english one...
for (int i = 0; i < len; i += 2)
{
if( pArray[i] == 0x0409 ) {
wLang = pArray[i];
wCodePage = pArray[i + 1];
break;
}
}
}
}
TCHAR *pMfg, szTemp[256];
wsprintf(szTemp, _T("\\StringFileInfo\\%04X%04X\\%s"), wLang, wCodePage, szVar);
if( VerQueryValue(pInfo, szTemp, (void **)(&pMfg), &len))
{
strValue = pMfg;
fRc = TRUE;
}
}
}
}
}
catch(...)
{
// We don't need to do anything, just need to protect ourselves
// from the flaky version.dll calls.
}
if (pInfo)
delete pInfo;
return fRc;
}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
Function: BOOL GetVersionLanguage(void *vpInfo,
WORD *wpLang,
WORD *wpCodePage);
Description: This function extracts the language and codepage out of a passed GetFileVersionInfo()
result. Consideration is given to variation in the layout.
Arguments: vpInfo, wpLang, wpCodePage
Returns: Boolean
Inputs:
Outputs:
Caveats:
Courtesy of: SMS, Nick Dyer
Raid:
History: a-peterc 30-Oct-1998 Created
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
BOOL GetVersionLanguage(void *vpInfo, WORD *wpLang, WORD *wpCodePage)
{
WORD *wpTemp;
WORD wLength;
WCHAR *wcpTemp;
char *cpTemp;
BOOL bRet = FALSE;
wpTemp = (WORD *) vpInfo;
cpTemp = (char *) vpInfo;
wpTemp++; // jump past buffer length.
wLength = *wpTemp; // capture value length.
wpTemp++; // skip past value length to what should be type code in new format
if (*wpTemp == 0 || *wpTemp == 1) // new format expect unicode strings.
{
cpTemp = cpTemp + 38 + wLength + 8;
wcpTemp = (WCHAR *) cpTemp;
if (wcscmp(L"StringFileInfo", wcpTemp) == 0) // OK! were aligned properly.
{
bRet = TRUE;
cpTemp += 30; // skip over "StringFileInfo"
while ((DWORD) cpTemp % 4 > 0) // 32 bit align
cpTemp++;
cpTemp += 6; // skip over length and type fields.
wcpTemp = (WCHAR *) cpTemp;
swscanf(wcpTemp, L"%4x%4x", wpLang, wpCodePage);
}
}
else // old format, expect single byte character strings.
{
cpTemp += 20 + wLength + 4;
if (strcmp("StringFileInfo", cpTemp) == 0) // OK! were aligned properly.
{
bRet = TRUE;
cpTemp += 20; // skip over length fields.
sscanf(cpTemp, "%4x%4x", wpLang, wpCodePage);
}
}
return (bRet);
}
///////////////////////////////////////////////////////////////////
BOOL GetManufacturerFromFileName(LPCTSTR szFile, CHString &strMfg)
{
return GetVarFromVersionInfo(szFile, "CompanyName", strMfg);
}
BOOL GetVersionFromFileName(LPCTSTR szFile, CHString &strVersion)
{
return GetVarFromVersionInfo(szFile, "ProductVersion", strVersion);
}
void ReplaceString(CHString &str, LPCTSTR szFind, LPCTSTR szReplace)
{
int iWhere,
nLen = lstrlen(szFind);
while ((iWhere = str.Find(szFind)) != -1)
{
str.Format(
"%s%s%s",
(LPCTSTR) str.Left(iWhere),
szReplace,
(LPCTSTR) str.Mid(iWhere + nLen));
}
}
BOOL GetServiceFileName(LPCTSTR szService, CHString &strFileName)
{
SC_HANDLE hSCManager,
hService;
TCHAR szBuffer[2048];
QUERY_SERVICE_CONFIG
*pConfig = (QUERY_SERVICE_CONFIG *) szBuffer;
DWORD dwNeeded;
BOOL bRet = FALSE;
hSCManager =
OpenSCManager(
NULL,
NULL,
STANDARD_RIGHTS_REQUIRED);
if (!hSCManager)
return FALSE;
hService =
OpenService(
hSCManager,
szService,
SERVICE_QUERY_CONFIG);
if (hService)
{
if (QueryServiceConfig(
hService,
pConfig,
sizeof(szBuffer),
&dwNeeded))
{
strFileName = pConfig->lpBinaryPathName;
// Now fix up the path so that it has a drive letter.
strFileName.MakeUpper();
// If the filename is using \SYSTEMROOT\, replace it with %SystemRoot%.
if (strFileName.Find("\\SYSTEMROOT\\") == 0)
ReplaceString(strFileName, "\\SYSTEMROOT\\", "%SystemRoot%\\");
// If the filename doesn't start with a replacement string, and if it
// doesn't have a drive letter, assume it should start with
// %SystemRoot%.
else if (strFileName.GetLength() >= 2 &&
strFileName[0] != '%' && strFileName[1] != ':')
{
CHString strTemp;
strTemp.Format("%%SystemRoot%%\\%s", (LPCTSTR) strFileName);
strFileName = strTemp;
}
TCHAR szOut[MAX_PATH * 2];
ExpandEnvironmentStrings(strFileName, szOut, sizeof(szOut));
strFileName = szOut;
bRet = TRUE;
}
CloseServiceHandle(hService);
}
CloseServiceHandle(hSCManager);
return bRet;
}
///////////////////////////////////////////////////////////////////
// Performs a case insensitive compare (such as is required for keys)
// on two variants and returns true if they are the same type and
// the same value, else false. Note that arrays, VT_NULL, and
// embedded objects will assert, and return false.
///////////////////////////////////////////////////////////////////
bool CompareVariantsNoCase(const VARIANT *v1, const VARIANT *v2)
{
if (v1->vt == v2->vt) {
switch (v1->vt) {
case VT_BOOL: return (v1->boolVal == v2->boolVal);
case VT_UI1: return (v1->bVal == v2->bVal);
case VT_I2: return (v1->iVal == v2->iVal);
case VT_I4: return (v1->lVal == v2->lVal);
case VT_R4: return (v1->fltVal == v2->fltVal);
case VT_R8: return (v1->dblVal == v2->dblVal);
case VT_BSTR: return (0 == _wcsicmp(v1->bstrVal, v2->bstrVal));
default:
ASSERT_BREAK(0);
}
}
return false;
}
// map standard API return values (defined WinError.h)
// to WBEMish hresults (defined in WbemCli.h)
HRESULT WinErrorToWBEMhResult(LONG error)
{
HRESULT hr = WBEM_E_FAILED;
switch (error)
{
case ERROR_SUCCESS:
hr = WBEM_S_NO_ERROR;
break;
case ERROR_ACCESS_DENIED:
hr = WBEM_E_ACCESS_DENIED;
break;
case ERROR_NOT_ENOUGH_MEMORY:
case ERROR_OUTOFMEMORY:
hr = WBEM_E_OUT_OF_MEMORY;
break;
case ERROR_ALREADY_EXISTS:
hr = WBEM_E_ALREADY_EXISTS;
break;
case ERROR_BAD_NETPATH:
case ERROR_INVALID_DATA:
case ERROR_BAD_PATHNAME:
case REGDB_E_INVALIDVALUE:
case ERROR_PATH_NOT_FOUND:
case ERROR_FILE_NOT_FOUND:
case ERROR_BAD_USERNAME:
case NERR_NetNameNotFound:
case ERROR_NOT_READY:
case ERROR_INVALID_NAME:
hr = WBEM_E_NOT_FOUND;
break;
default:
hr = WBEM_E_FAILED;
}
return hr;
}
void SetConfigMgrProperties(CConfigMgrDevice *pDevice, CInstance *pInstance)
{
CHString strDeviceID;
DWORD dwStatus,
dwProblem;
if (pDevice->GetDeviceID(strDeviceID))
pInstance->SetCHString(IDS_PNPDeviceID, strDeviceID);
if (pDevice->GetStatus(&dwStatus, &dwProblem))
pInstance->SetDWORD("ConfigManagerErrorCode", dwProblem);
pInstance->SetDWORD("ConfigManagerUserConfig",
pDevice->IsUsingForcedConfig());
}
BOOL EnablePrivilegeOnCurrentThread(LPCTSTR szPriv)
{
BOOL bRet = FALSE;
HANDLE hToken = NULL;
TOKEN_PRIVILEGES tkp;
BOOL bLookup = FALSE;
DWORD dwLastError = ERROR_SUCCESS;
// Try to open the thread token. If we fail, it's because no
// impersonation is going on, so call ImpersonateSelf to get a token.
// Then call OpenThreadToken again.
if (OpenThreadToken(GetCurrentThread(), TOKEN_ADJUST_PRIVILEGES |
TOKEN_QUERY, FALSE, &hToken) ||
(ImpersonateSelf(SecurityImpersonation) &&
OpenThreadToken(GetCurrentThread(), TOKEN_ADJUST_PRIVILEGES |
TOKEN_QUERY, FALSE, &hToken)))
{
{
CreateMutexAsProcess createMutexAsProcess(SECURITYAPIMUTEXNAME);
bLookup = LookupPrivilegeValue(NULL, szPriv, &tkp.Privileges[0].Luid);
}
if (bLookup)
{
tkp.PrivilegeCount = 1;
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
// Clear the last error.
SetLastError(0);
// Turn it on
bRet = AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,
(PTOKEN_PRIVILEGES) NULL, 0);
dwLastError = GetLastError();
}
CloseHandle(hToken);
}
// We have to check GetLastError() because AdjustTokenPrivileges lies about
// its success but GetLastError() doesn't.
return bRet && dwLastError == ERROR_SUCCESS;
}
// Takes a pnp id and returns a bios unit number
// To avoid frequent load/unload of a library, the pGetWin9XBiosUnit parameter comes from:
// HINSTANCE hInst = LoadLibrary("cim32net.dll");
// pGetWin9XBiosUnit = (fnGetWin9XBiosUnit)GetProcAddress(hInst, "GetWin9XBiosUnit");
BYTE GetBiosUnitNumberFromPNPID(fnGetWin9XBiosUnit pGetWin9XBiosUnit, CHString strDeviceID)
{
CHString sTemp;
DRIVE_MAP_INFO stDMI;
CRegistry Reg1;
BYTE btBiosUnit = -1;
// Open the associated registry key
if (Reg1.Open(HKEY_LOCAL_MACHINE, "enum\\" + strDeviceID, KEY_QUERY_VALUE) == ERROR_SUCCESS)
{
// Get a drive letter for this pnp id
if ((Reg1.GetCurrentKeyValue("CurrentDriveLetterAssignment", sTemp) != ERROR_SUCCESS) ||
(sTemp.GetLength() == 0)) {
// No drive letters, let's try one more thing. On memphis sp1, this call will also
// get us a unit number.
if (pGetWin9XBiosUnit != NULL)
{
btBiosUnit = pGetWin9XBiosUnit(strDeviceID.GetBuffer(0));
}
}
else
{
if (GetDriveMapInfo(&stDMI, toupper(sTemp[0]) - 'A' + 1))
{
btBiosUnit = stDMI.btInt13Unit;
}
}
}
return btBiosUnit;
}
HRESULT GetHKUserNames(CHStringList &list)
{
HRESULT hres;
// Empty the list.
list.clear();
if (GetPlatformID() == VER_PLATFORM_WIN32_NT)
{
// Enum the profiles from the registry.
CRegistry regProfileList;
CHString strProfile;
DWORD dwErr;
// Open the ProfileList key so we know which profiles to load up.
if ((dwErr = regProfileList.OpenAndEnumerateSubKeys(
HKEY_LOCAL_MACHINE,
IDS_RegNTProfileList,
KEY_READ)) == ERROR_SUCCESS)
{
for (int i = 0; regProfileList.GetCurrentSubKeyName(strProfile) ==
ERROR_SUCCESS; i++)
{
list.push_back(strProfile);
regProfileList.NextSubKey();
}
}
// Add the .DEFAULT name.
list.push_back(_T(".DEFAULT"));
hres = WinErrorToWBEMhResult(dwErr);
}
else
{
DWORD dwErr = ERROR_SUCCESS;
#ifdef _DEBUG
DWORD dwSize = 10,
#else
DWORD dwSize = 1024,
#endif
dwBytesRead;
TCHAR *szBuff = NULL;
// Keep looping until we read the entire section.
// You know your buffer wasn't big enough if the returned number
// of bytes == (size passed in - 2).
do
{
if (szBuff)
{
free(szBuff);
dwSize *= 2;
}
szBuff = (TCHAR *) malloc(dwSize);
// Out of memory. Get out of loop.
if (!szBuff)
break;
dwBytesRead =
GetPrivateProfileString(
"Password Lists",
NULL,
"",
szBuff,
dwSize,
"system.ini");
} while (dwBytesRead >= dwSize - 2);
if (szBuff)
{
// Loop through the list of names. Each is null-terminated, and the
// list is terminated with a double null.
TCHAR *pszCurrent = szBuff;
while (*pszCurrent)
{
list.push_back(pszCurrent);
pszCurrent += lstrlen(pszCurrent) + 1;
}
hres = WBEM_S_NO_ERROR;
// Free the buffer.
free(szBuff);
// Add the .DEFAULT name.
list.push_back(_T(".DEFAULT"));
}
else
// Failed to malloc, so set error code.
hres = WBEM_E_OUT_OF_MEMORY;
}
return hres;
}
VOID EscapeBackslashes(CHString& chstrIn,
CHString& chstrOut)
{
CHString chstrCpyNormPathname = chstrIn;
LONG lNext = -1L;
chstrOut.Empty();
// Find the next '\'
lNext = chstrCpyNormPathname.Find(_T('\\'));
while(lNext != -1)
{
// Add on to the new string we are building:
chstrOut += chstrCpyNormPathname.Left(lNext + 1);
// Add on the second backslash:
chstrOut += _T('\\');
// Hack off from the input string the portion we just copied
chstrCpyNormPathname = chstrCpyNormPathname.Right(chstrCpyNormPathname.GetLength() - lNext - 1);
lNext = chstrCpyNormPathname.Find(_T('\\'));
}
// If the last character wasn't a '\', there may still be leftovers, so
// copy them here.
if(chstrCpyNormPathname.GetLength() != 0)
{
chstrOut += chstrCpyNormPathname;
}
}
VOID EscapeQuotes(CHString& chstrIn,
CHString& chstrOut)
{
CHString chstrCpyNormPathname = chstrIn;
LONG lNext = -1L;
chstrOut.Empty();
// Find the next '\'
lNext = chstrCpyNormPathname.Find(_T('\"'));
while(lNext != -1)
{
// Add on to the new string we are building:
chstrOut += chstrCpyNormPathname.Left(lNext);
// Escape the quote:
chstrOut += _T("\\\"");
// Hack off from the input string the portion we just copied
chstrCpyNormPathname = chstrCpyNormPathname.Right(chstrCpyNormPathname.GetLength() - lNext - 1);
lNext = chstrCpyNormPathname.Find(_T('\"'));
}
// If the last character wasn't a '\', there may still be leftovers, so
// copy them here.
if(chstrCpyNormPathname.GetLength() != 0)
{
chstrOut += chstrCpyNormPathname;
}
}
VOID RemoveDoubleBackslashes(const CHString& chstrIn, CHString& chstrOut)
{
CHString chstrBuildString;
CHString chstrInCopy = chstrIn;
BOOL fDone = FALSE;
LONG lPos = -1;
while(!fDone)
{
lPos = chstrInCopy.Find(_T("\\\\"));
if(lPos != -1)
{
chstrBuildString += chstrInCopy.Left(lPos);
chstrBuildString += _T("\\");
chstrInCopy = chstrInCopy.Mid(lPos+2);
}
else
{
chstrBuildString += chstrInCopy;
fDone = TRUE;
}
}
chstrOut = chstrBuildString;
}
CHString RemoveDoubleBackslashes(const CHString& chstrIn)
{
CHString chstrBuildString;
CHString chstrInCopy = chstrIn;
BOOL fDone = FALSE;
LONG lPos = -1;
while(!fDone)
{
lPos = chstrInCopy.Find(_T("\\\\"));
if(lPos != -1)
{
chstrBuildString += chstrInCopy.Left(lPos);
chstrBuildString += _T("\\");
chstrInCopy = chstrInCopy.Mid(lPos+2);
}
else
{
chstrBuildString += chstrInCopy;
fDone = TRUE;
}
}
return chstrBuildString;
}