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846 lines
26 KiB
846 lines
26 KiB
//----------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 2000.
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//
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// File: nt2umi.cxx
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//
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// Contents: Contains the routines to convert from NT objects to
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// UMI_PROPERTY structures.
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//
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// History: 02-29-00 SivaramR Created.
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//
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//----------------------------------------------------------------------------
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#include "winnt.hxx"
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//----------------------------------------------------------------------------
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// Function: WinNTTypeToUmiIntegers
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//
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// Synopsis: Converts from NT object to UMI_PROPERTY structure containing
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// one of the signed/unsigned integers (1, 2, 4 or 8 bytes each).
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//
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// Arguments:
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//
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// pNtObject Pointer to NT object
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// dwNumValues Number of values in pNtObject
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// pPropArray Pointer to UMI_PROPERTY that returns the converted values
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// pExistingMem If non-NULL, the provider does not allocate memory. Instead,
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// the memory pointed to by this argument is used.
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// dwMemSize Number of bytes of memory pointed to by pExistingMem
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// UmiType UMI type to convert the NT object to
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//
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// Returns: UMI_S_NO_ERROR on success. Error code otherwise.
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//
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// Modifies: *pExistingMem if pExistingMem is non-NULL
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// *pPropArray otherwise
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//
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//----------------------------------------------------------------------------
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HRESULT WinNTTypeToUmiIntegers(
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LPNTOBJECT pNtObject,
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DWORD dwNumValues,
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UMI_PROPERTY *pPropArray,
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LPVOID pExistingMem,
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DWORD dwMemSize,
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UMI_TYPE UmiType
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)
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{
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DWORD dwSize = 0, dwMemRequired = 0, dwNtValue = 0, i = 0;
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void *pIntArray = NULL;
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HRESULT hr = UMI_S_NO_ERROR;
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// Check if the NT type can be converted to the requested UMI type
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if(pNtObject->NTType != NT_SYNTAX_ID_DWORD)
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BAIL_ON_FAILURE(hr = UMI_E_CANT_CONVERT_DATA);
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switch(UmiType) {
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case UMI_TYPE_I1:
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case UMI_TYPE_UI1:
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dwSize = 1;
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break;
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case UMI_TYPE_I2:
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case UMI_TYPE_UI2:
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dwSize = 2;
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break;
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case UMI_TYPE_I4:
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case UMI_TYPE_UI4:
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dwSize = 4;
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break;
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case UMI_TYPE_I8:
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case UMI_TYPE_UI8:
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dwSize = 8;
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break;
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default:
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BAIL_ON_FAILURE(hr = UMI_E_CANT_CONVERT_DATA);
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}
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dwMemRequired = dwNumValues * dwSize;
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if(NULL == pExistingMem) {
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// provider has to allocate memory
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pIntArray = (void *) AllocADsMem(dwMemRequired);
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if(NULL == pIntArray)
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BAIL_ON_FAILURE(UMI_E_OUT_OF_MEMORY);
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}
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else {
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// user provided memory to return data
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if(dwMemSize < dwMemRequired)
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BAIL_ON_FAILURE(hr = UMI_E_INSUFFICIENT_MEMORY);
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pIntArray = pExistingMem;
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}
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for(i = 0; i < dwNumValues; i++) {
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dwNtValue = pNtObject[i].NTValue.dwValue;
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switch(UmiType) {
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case UMI_TYPE_I1:
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case UMI_TYPE_UI1:
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*((CHAR *)(pIntArray) + i) = (CHAR) dwNtValue;
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break;
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case UMI_TYPE_I2:
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case UMI_TYPE_UI2:
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*((WCHAR *)(pIntArray) + i) = (WCHAR) dwNtValue;
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break;
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case UMI_TYPE_I4:
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case UMI_TYPE_UI4:
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*((DWORD *)(pIntArray) + i) = dwNtValue;
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break;
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case UMI_TYPE_I8:
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case UMI_TYPE_UI8:
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*((__int64 *)(pIntArray) + i) = (__int64) dwNtValue;
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break;
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default:
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BAIL_ON_FAILURE(hr = UMI_E_CANT_CONVERT_DATA);
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} // switch
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} // for
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if(pPropArray != NULL)
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pPropArray->pUmiValue = (UMI_VALUE *) pIntArray;
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RRETURN(hr);
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error:
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if( (pIntArray != NULL) && (NULL == pExistingMem) )
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FreeADsMem(pIntArray);
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RRETURN(hr);
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}
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//----------------------------------------------------------------------------
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// Function: WinNTTypeToUmiFileTimes
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//
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// Synopsis: Converts from NT object to UMI_PROPERTY structure containing
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// a filetime.
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//
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// Arguments:
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//
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// pNtObject Pointer to NT object
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// dwNumValues Number of values in pNtObject
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// pPropArray Pointer to UMI_PROPERTY that returns the converted values
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// pExistingMem If non-NULL, the provider does not allocate memory. Instead,
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// the memory pointed to by this argument is used.
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// dwMemSize Number of bytes of memory pointed to by pExistingMem
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//
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// Returns: UMI_S_NO_ERROR on success. Error code otherwise.
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//
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// Modifies: *pExistingMem if pExistingMem is non-NULL
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// *pPropArray otherwise
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//
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//----------------------------------------------------------------------------
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HRESULT WinNTTypeToUmiFileTimes(
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LPNTOBJECT pNtObject,
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DWORD dwNumValues,
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UMI_PROPERTY *pPropArray,
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LPVOID pExistingMem,
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DWORD dwMemSize
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)
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{
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DWORD dwMemRequired = 0, i = 0;
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void *pFileTimeArray = NULL;
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HRESULT hr = UMI_S_NO_ERROR;
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BOOL fRetVal = FALSE;
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SYSTEMTIME LocalTime, SystemTime;
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FILETIME LocalFileTime, FileTime;
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LARGE_INTEGER tmpTime;
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// Check if the NT type can be converted to the requested UMI type
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if(pNtObject->NTType != NT_SYNTAX_ID_SYSTEMTIME)
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BAIL_ON_FAILURE(hr = UMI_E_CANT_CONVERT_DATA);
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dwMemRequired = dwNumValues * sizeof(FILETIME);
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if(NULL == pExistingMem) {
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// provider has to allocate memory
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pFileTimeArray = (void *) AllocADsMem(dwMemRequired);
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if(NULL == pFileTimeArray)
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BAIL_ON_FAILURE(UMI_E_OUT_OF_MEMORY);
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}
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else {
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// user provided memory to return data
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if(dwMemSize < dwMemRequired)
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BAIL_ON_FAILURE(hr = UMI_E_INSUFFICIENT_MEMORY);
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pFileTimeArray = pExistingMem;
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}
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for(i = 0; i < dwNumValues; i++) {
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if(NT_SYNTAX_ID_SYSTEMTIME == pNtObject->NTType) {
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// convert from UTC to local time
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fRetVal = SystemTimeToTzSpecificLocalTime(
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NULL,
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&(pNtObject[i].NTValue.stSystemTimeValue),
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&LocalTime
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);
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if(FALSE == fRetVal)
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BAIL_ON_FAILURE(hr = HRESULT_FROM_WIN32(GetLastError()));
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fRetVal = SystemTimeToFileTime(
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&LocalTime,
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&LocalFileTime
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);
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if(FALSE == fRetVal)
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BAIL_ON_FAILURE(hr = HRESULT_FROM_WIN32(GetLastError()));
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}
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else if(NT_SYNTAX_ID_DATE == pNtObject->NTType) {
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GetSystemTime(&SystemTime);
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// only the hours and minutes are valid. Rest is no-op.
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SystemTime.wHour = (WORD) ((pNtObject[i].NTValue.dwValue)/60);
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SystemTime.wMinute = (WORD) ((pNtObject[i].NTValue.dwValue)%60);
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SystemTime.wSecond =0;
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SystemTime.wMilliseconds = 0;
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// now convert UTC To local time
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fRetVal = SystemTimeToTzSpecificLocalTime(
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NULL,
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&SystemTime,
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&LocalTime
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);
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if(FALSE == fRetVal)
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BAIL_ON_FAILURE(hr = HRESULT_FROM_WIN32(GetLastError()));
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fRetVal = SystemTimeToFileTime(
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&LocalTime,
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&LocalFileTime
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);
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if(FALSE == fRetVal)
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BAIL_ON_FAILURE(hr = HRESULT_FROM_WIN32(GetLastError()));
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}
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else if(NT_SYNTAX_ID_DATE_1970 == pNtObject->NTType) {
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memset(&FileTime, 0, sizeof(FILETIME));
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RtlSecondsSince1970ToTime(
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pNtObject[i].NTValue.dwSeconds1970,
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&tmpTime
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);
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FileTime.dwLowDateTime = tmpTime.LowPart;
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FileTime.dwHighDateTime = tmpTime.HighPart;
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fRetVal = FileTimeToLocalFileTime(
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&FileTime,
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&LocalFileTime
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);
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if(FALSE == fRetVal)
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BAIL_ON_FAILURE(hr = HRESULT_FROM_WIN32(GetLastError()));
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}
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*((FILETIME *)pFileTimeArray + i) = LocalFileTime;
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}
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if(pPropArray != NULL)
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pPropArray->pUmiValue = (UMI_VALUE *) pFileTimeArray;
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RRETURN(hr);
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error:
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if( (pFileTimeArray != NULL) && (NULL == pExistingMem) )
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FreeADsMem(pFileTimeArray);
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RRETURN(hr);
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}
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//----------------------------------------------------------------------------
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// Function: WinNTTypeToUmiSystemTimes
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//
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// Synopsis: Converts from NT object to UMI_PROPERTY structure containing
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// a systemtime.
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//
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// Arguments:
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//
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// pNtObject Pointer to NT object
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// dwNumValues Number of values in pNtObject
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// pPropArray Pointer to UMI_PROPERTY that returns the converted values
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// pExistingMem If non-NULL, the provider does not allocate memory. Instead,
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// the memory pointed to by this argument is used.
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// dwMemSize Number of bytes of memory pointed to by pExistingMem
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//
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// Returns: UMI_S_NO_ERROR on success. Error code otherwise.
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//
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// Modifies: *pExistingMem if pExistingMem is non-NULL
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// *pPropArray otherwise
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//
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//----------------------------------------------------------------------------
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HRESULT WinNTTypeToUmiSystemTimes(
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LPNTOBJECT pNtObject,
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DWORD dwNumValues,
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UMI_PROPERTY *pPropArray,
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LPVOID pExistingMem,
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DWORD dwMemSize
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)
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{
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DWORD dwMemRequired = 0, i = 0;
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void *pSysTimeArray = NULL;
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HRESULT hr = UMI_S_NO_ERROR;
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SYSTEMTIME LocalTime, SystemTime;
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BOOL fRetVal = FALSE;
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FILETIME FileTime, LocalFileTime;
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LARGE_INTEGER tmpTime;
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// Check if the NT type can be converted to the requested UMI type
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if( (pNtObject->NTType != NT_SYNTAX_ID_SYSTEMTIME) &&
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(pNtObject->NTType != NT_SYNTAX_ID_DATE) &&
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(pNtObject->NTType != NT_SYNTAX_ID_DATE_1970) )
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BAIL_ON_FAILURE(hr = UMI_E_CANT_CONVERT_DATA);
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dwMemRequired = dwNumValues * sizeof(SYSTEMTIME);
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if(NULL == pExistingMem) {
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// provider has to allocate memory
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pSysTimeArray = (void *) AllocADsMem(dwMemRequired);
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if(NULL == pSysTimeArray)
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BAIL_ON_FAILURE(UMI_E_OUT_OF_MEMORY);
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}
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else {
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// user provided memory to return data
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if(dwMemSize < dwMemRequired)
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BAIL_ON_FAILURE(hr = UMI_E_INSUFFICIENT_MEMORY);
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pSysTimeArray = pExistingMem;
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}
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for(i = 0; i < dwNumValues; i++) {
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if(NT_SYNTAX_ID_SYSTEMTIME == pNtObject->NTType) {
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// convert from UTC to local time
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fRetVal = SystemTimeToTzSpecificLocalTime(
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NULL,
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&pNtObject[i].NTValue.stSystemTimeValue,
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&LocalTime
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);
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if(FALSE == fRetVal)
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BAIL_ON_FAILURE(hr = HRESULT_FROM_WIN32(GetLastError()));
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}
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else if(NT_SYNTAX_ID_DATE == pNtObject->NTType) {
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GetSystemTime(&SystemTime);
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// only the hours and minutes are valid. Rest is no-op.
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SystemTime.wHour = (WORD) ((pNtObject[i].NTValue.dwValue)/60);
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SystemTime.wMinute = (WORD) ((pNtObject[i].NTValue.dwValue)%60);
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SystemTime.wSecond =0;
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SystemTime.wMilliseconds = 0;
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// now convert UTC To local time
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fRetVal = SystemTimeToTzSpecificLocalTime(
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NULL,
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&SystemTime,
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&LocalTime
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);
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if(FALSE == fRetVal)
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BAIL_ON_FAILURE(hr = HRESULT_FROM_WIN32(GetLastError()));
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}
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else if(NT_SYNTAX_ID_DATE_1970 == pNtObject->NTType) {
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memset(&FileTime, 0, sizeof(FILETIME));
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RtlSecondsSince1970ToTime(
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pNtObject[i].NTValue.dwSeconds1970,
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&tmpTime
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);
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FileTime.dwLowDateTime = tmpTime.LowPart;
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FileTime.dwHighDateTime = tmpTime.HighPart;
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fRetVal = FileTimeToLocalFileTime(
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&FileTime,
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&LocalFileTime
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);
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if(FALSE == fRetVal)
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BAIL_ON_FAILURE(hr = HRESULT_FROM_WIN32(GetLastError()));
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fRetVal = FileTimeToSystemTime(
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&LocalFileTime,
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&LocalTime
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);
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if(FALSE == fRetVal)
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BAIL_ON_FAILURE(hr = HRESULT_FROM_WIN32(GetLastError()));
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}
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*((SYSTEMTIME *)pSysTimeArray + i) = LocalTime;
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}
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if(pPropArray != NULL)
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pPropArray->pUmiValue = (UMI_VALUE *) pSysTimeArray;
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RRETURN(hr);
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error:
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if( (pSysTimeArray != NULL) && (NULL == pExistingMem) )
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FreeADsMem(pSysTimeArray);
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RRETURN(hr);
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}
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//----------------------------------------------------------------------------
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// Function: WinNTTypeToUmiBools
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//
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// Synopsis: Converts from NT object to UMI_PROPERTY structure containing
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// a boolean
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//
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// Arguments:
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//
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// pNtObject Pointer to NT object
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// dwNumValues Number of values in pNtObject
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// pPropArray Pointer to UMI_PROPERTY that returns the converted values
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// pExistingMem If non-NULL, the provider does not allocate memory. Instead,
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// the memory pointed to by this argument is used.
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// dwMemSize Number of bytes of memory pointed to by pExistingMem
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//
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// Returns: UMI_S_NO_ERROR on success. Error code otherwise.
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//
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// Modifies: *pExistingMem if pExistingMem is non-NULL
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// *pPropArray otherwise
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//
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//----------------------------------------------------------------------------
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HRESULT WinNTTypeToUmiBools(
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LPNTOBJECT pNtObject,
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DWORD dwNumValues,
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UMI_PROPERTY *pPropArray,
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LPVOID pExistingMem,
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DWORD dwMemSize
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)
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{
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DWORD dwMemRequired = 0, i = 0;
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void *pBoolArray = NULL;
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HRESULT hr = UMI_S_NO_ERROR;
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// Check if the NT type can be converted to the requested UMI type
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if(pNtObject->NTType != NT_SYNTAX_ID_BOOL)
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BAIL_ON_FAILURE(hr = UMI_E_CANT_CONVERT_DATA);
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dwMemRequired = dwNumValues * sizeof(BOOL);
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if(NULL == pExistingMem) {
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// provider has to allocate memory
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pBoolArray = (void *) AllocADsMem(dwMemRequired);
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if(NULL == pBoolArray)
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BAIL_ON_FAILURE(UMI_E_OUT_OF_MEMORY);
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}
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else {
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// user provided memory to return data
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if(dwMemSize < dwMemRequired)
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BAIL_ON_FAILURE(hr = UMI_E_INSUFFICIENT_MEMORY);
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pBoolArray = pExistingMem;
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}
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for(i = 0; i < dwNumValues; i++) {
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if(pNtObject[i].NTValue.fValue)
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*((BOOL *)pBoolArray + i) = TRUE;
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else
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*((BOOL *)pBoolArray + i) = FALSE;
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}
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if(pPropArray != NULL)
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pPropArray->pUmiValue = (UMI_VALUE *) pBoolArray;
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RRETURN(hr);
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error:
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if( (pBoolArray != NULL) && (NULL == pExistingMem) )
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FreeADsMem(pBoolArray);
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RRETURN(hr);
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}
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//----------------------------------------------------------------------------
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// Function: WinNTTypeToUmiLPWSTRs
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//
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// Synopsis: Converts from NT object to UMI_PROPERTY structure containing
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// a string
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//
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// Arguments:
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//
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// pNtObject Pointer to NT object
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// dwNumValues Number of values in pNtObject
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// pPropArray Pointer to UMI_PROPERTY that returns the converted values
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// pExistingMem If non-NULL, the provider does not allocate memory. Instead,
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// the memory pointed to by this argument is used.
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// dwMemSize Number of bytes of memory pointed to by pExistingMem
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//
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// Returns: UMI_S_NO_ERROR on success. Error code otherwise.
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//
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// Modifies: *pExistingMem if pExistingMem is non-NULL
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// *pPropArray otherwise
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//
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//----------------------------------------------------------------------------
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HRESULT WinNTTypeToUmiLPWSTRs(
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LPNTOBJECT pNtObject,
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DWORD dwNumValues,
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UMI_PROPERTY *pPropArray,
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LPVOID pExistingMem,
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DWORD dwMemSize
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)
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{
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DWORD dwMemRequired = 0, i = 0;
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void *pStrArray = NULL;
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HRESULT hr = UMI_S_NO_ERROR;
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LPWSTR pszTmpStr = NULL;
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UCHAR Seed = UMI_ENCODE_SEED3;
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UNICODE_STRING Password;
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|
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// Check if the NT type can be converted to the requested UMI type
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if( (pNtObject->NTType != NT_SYNTAX_ID_LPTSTR) &&
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(pNtObject->NTType != NT_SYNTAX_ID_DelimitedString) &&
|
|
(pNtObject->NTType != NT_SYNTAX_ID_NulledString) &&
|
|
(pNtObject->NTType != NT_SYNTAX_ID_EncryptedString) )
|
|
BAIL_ON_FAILURE(hr = UMI_E_CANT_CONVERT_DATA);
|
|
|
|
dwMemRequired = dwNumValues * sizeof(LPWSTR);
|
|
|
|
if(NULL == pExistingMem) {
|
|
// provider has to allocate memory
|
|
pStrArray = (void *) AllocADsMem(dwMemRequired);
|
|
if(NULL == pStrArray)
|
|
BAIL_ON_FAILURE(UMI_E_OUT_OF_MEMORY);
|
|
}
|
|
else {
|
|
// user provided memory to return data. GetAs() will call this function
|
|
// only if the property is single-valued. Copy the string into the
|
|
// memory supplied y the caller.
|
|
//
|
|
ADsAssert(1 == dwNumValues);
|
|
dwMemRequired = (wcslen(pNtObject->NTValue.pszValue) + 1) *
|
|
sizeof(WCHAR);
|
|
if(dwMemSize < dwMemRequired)
|
|
BAIL_ON_FAILURE(hr = UMI_E_INSUFFICIENT_MEMORY);
|
|
|
|
wcscpy((WCHAR *) pExistingMem, pNtObject->NTValue.pszValue);
|
|
|
|
if(NT_SYNTAX_ID_EncryptedString == pNtObject->NTType) {
|
|
// decrypt the string (typically password)
|
|
|
|
RtlInitUnicodeString(&Password, (WCHAR *) pExistingMem);
|
|
RtlRunDecodeUnicodeString(Seed, &Password);
|
|
}
|
|
|
|
RRETURN(UMI_S_NO_ERROR);
|
|
}
|
|
|
|
memset(pStrArray, 0, dwMemRequired);
|
|
|
|
for(i = 0; i < dwNumValues; i++) {
|
|
if(pNtObject[i].NTValue.pszValue != NULL) {
|
|
pszTmpStr = AllocADsStr(pNtObject[i].NTValue.pszValue);
|
|
if(NULL == pszTmpStr)
|
|
BAIL_ON_FAILURE(hr = UMI_E_OUT_OF_MEMORY);
|
|
|
|
if(NT_SYNTAX_ID_EncryptedString == pNtObject->NTType) {
|
|
// decrypt the string (typically password)
|
|
|
|
RtlInitUnicodeString(&Password, pszTmpStr);
|
|
RtlRunDecodeUnicodeString(Seed, &Password);
|
|
}
|
|
}
|
|
|
|
*((LPWSTR *)pStrArray + i) = pszTmpStr;
|
|
}
|
|
|
|
if(pPropArray != NULL)
|
|
pPropArray->pUmiValue = (UMI_VALUE *) pStrArray;
|
|
|
|
RRETURN(hr);
|
|
|
|
error:
|
|
|
|
if(pStrArray != NULL) {
|
|
// free any strings allocated
|
|
for(i = 0; i < dwNumValues; i++)
|
|
if(((LPWSTR *) pStrArray)[i] != NULL)
|
|
FreeADsStr(((LPWSTR *) pStrArray)[i]);
|
|
|
|
if(NULL == pExistingMem)
|
|
// provider allocated memory
|
|
FreeADsMem(pStrArray);
|
|
}
|
|
|
|
RRETURN(hr);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
// Function: WinNTTypeToUmiOctetStrings
|
|
//
|
|
// Synopsis: Converts from NT object to UMI_PROPERTY structure containing
|
|
// an octet string
|
|
//
|
|
// Arguments:
|
|
//
|
|
// pNtObject Pointer to NT object
|
|
// dwNumValues Number of values in pNtObject
|
|
// pPropArray Pointer to UMI_PROPERTY that returns the converted values
|
|
// pExistingMem If non-NULL, the provider does not allocate memory. Instead,
|
|
// the memory pointed to by this argument is used.
|
|
// dwMemSize Number of bytes of memory pointed to by pExistingMem
|
|
//
|
|
// Returns: UMI_S_NO_ERROR on success. Error code otherwise.
|
|
//
|
|
// Modifies: *pExistingMem if pExistingMem is non-NULL
|
|
// *pPropArray otherwise
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
HRESULT WinNTTypeToUmiOctetStrings(
|
|
LPNTOBJECT pNtObject,
|
|
DWORD dwNumValues,
|
|
UMI_PROPERTY *pPropArray,
|
|
LPVOID pExistingMem,
|
|
DWORD dwMemSize
|
|
)
|
|
{
|
|
DWORD dwMemRequired = 0, i = 0;
|
|
void *pOctetStrArray = NULL;
|
|
HRESULT hr = UMI_S_NO_ERROR;
|
|
LPWSTR pTmpOctetStr = NULL;
|
|
|
|
// Check if the NT type can be converted to the requested UMI type
|
|
if(pNtObject->NTType != NT_SYNTAX_ID_OCTETSTRING)
|
|
BAIL_ON_FAILURE(hr = UMI_E_CANT_CONVERT_DATA);
|
|
|
|
dwMemRequired = dwNumValues * sizeof(UMI_OCTET_STRING);
|
|
|
|
if(NULL == pExistingMem) {
|
|
// provider has to allocate memory
|
|
pOctetStrArray = (void *) AllocADsMem(dwMemRequired);
|
|
if(NULL == pOctetStrArray)
|
|
BAIL_ON_FAILURE(UMI_E_OUT_OF_MEMORY);
|
|
}
|
|
else {
|
|
// user provided memory to return data
|
|
if(dwMemSize < dwMemRequired)
|
|
BAIL_ON_FAILURE(hr = UMI_E_INSUFFICIENT_MEMORY);
|
|
|
|
pOctetStrArray = pExistingMem;
|
|
}
|
|
|
|
memset(pOctetStrArray, 0, dwMemRequired);
|
|
|
|
for(i = 0; i < dwNumValues; i++) {
|
|
pTmpOctetStr = (LPWSTR)
|
|
AllocADsMem(pNtObject[i].NTValue.octetstring.dwSize);
|
|
if(NULL == pTmpOctetStr)
|
|
BAIL_ON_FAILURE(hr = UMI_E_OUT_OF_MEMORY);
|
|
|
|
memcpy(
|
|
pTmpOctetStr,
|
|
pNtObject[i].NTValue.octetstring.pByte,
|
|
pNtObject[i].NTValue.octetstring.dwSize
|
|
);
|
|
|
|
((UMI_OCTET_STRING *)pOctetStrArray + i)->uLength =
|
|
pNtObject[i].NTValue.octetstring.dwSize;
|
|
((UMI_OCTET_STRING *)pOctetStrArray + i)->lpValue =
|
|
(BYTE *) pTmpOctetStr;
|
|
}
|
|
|
|
if(pPropArray != NULL)
|
|
pPropArray->pUmiValue = (UMI_VALUE *) pOctetStrArray;
|
|
|
|
RRETURN(hr);
|
|
|
|
error:
|
|
|
|
if(pOctetStrArray != NULL) {
|
|
// free any strings allocated
|
|
for(i = 0; i < dwNumValues; i++)
|
|
if(((UMI_OCTET_STRING *) pOctetStrArray)[i].lpValue != NULL)
|
|
FreeADsMem(((UMI_OCTET_STRING *) pOctetStrArray)[i].lpValue);
|
|
|
|
if(NULL == pExistingMem)
|
|
// provider allocated memory
|
|
FreeADsMem(pOctetStrArray);
|
|
}
|
|
|
|
RRETURN(hr);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
// Function: WinNTTypeToUmi
|
|
//
|
|
// Synopsis: Converts from NT object to UMI_PROPERTY structure.
|
|
//
|
|
// Arguments:
|
|
//
|
|
// pNtObject Pointer to NT object
|
|
// dwNumValues Number of values in pNtObject
|
|
// pPropArray Pointer to UMI_PROPERTY that returns the converted values
|
|
// pExistingMem If non-NULL, the provider does not allocate memory. Instead,
|
|
// the memory pointed to by this argument is used.
|
|
// dwMemSize Number of bytes of memory pointed to by pExistingMem
|
|
// UmiType UMI type to convert the NT object to
|
|
//
|
|
// Returns: UMI_S_NO_ERROR on success. Error code otherwise.
|
|
//
|
|
// Modifies: *pExistingMem if pExistingMem is non-NULL
|
|
// *pPropArray otherwise
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
HRESULT WinNTTypeToUmi(
|
|
LPNTOBJECT pNtObject,
|
|
DWORD dwNumValues,
|
|
UMI_PROPERTY *pPropArray,
|
|
LPVOID pExistingMem,
|
|
DWORD dwMemSize,
|
|
UMI_TYPE UmiType
|
|
)
|
|
{
|
|
HRESULT hr = UMI_S_NO_ERROR;
|
|
|
|
ADsAssert( (pNtObject != NULL) &&
|
|
((pPropArray != NULL) || (pExistingMem != NULL)) );
|
|
// only one of pPropArray and pExistingMem can be non-NULL
|
|
ADsAssert( (NULL == pPropArray) || (NULL == pExistingMem) );
|
|
|
|
// Enclose code in try/except to catch AVs caused by the user passing in
|
|
// a bad pointer in pExistingMem
|
|
__try {
|
|
|
|
switch(UmiType) {
|
|
|
|
case UMI_TYPE_NULL:
|
|
BAIL_ON_FAILURE(hr = UMI_E_CANT_CONVERT_DATA);
|
|
|
|
case UMI_TYPE_I1:
|
|
case UMI_TYPE_I2:
|
|
case UMI_TYPE_I4:
|
|
case UMI_TYPE_I8:
|
|
case UMI_TYPE_UI1:
|
|
case UMI_TYPE_UI2:
|
|
case UMI_TYPE_UI4:
|
|
case UMI_TYPE_UI8:
|
|
hr = WinNTTypeToUmiIntegers(
|
|
pNtObject,
|
|
dwNumValues,
|
|
pPropArray,
|
|
pExistingMem,
|
|
dwMemSize,
|
|
UmiType
|
|
);
|
|
break;
|
|
|
|
case UMI_TYPE_R4:
|
|
case UMI_TYPE_R8:
|
|
BAIL_ON_FAILURE(hr = UMI_E_CANT_CONVERT_DATA);
|
|
|
|
case UMI_TYPE_FILETIME:
|
|
hr = WinNTTypeToUmiFileTimes(
|
|
pNtObject,
|
|
dwNumValues,
|
|
pPropArray,
|
|
pExistingMem,
|
|
dwMemSize
|
|
);
|
|
break;
|
|
|
|
case UMI_TYPE_SYSTEMTIME:
|
|
hr = WinNTTypeToUmiSystemTimes(
|
|
pNtObject,
|
|
dwNumValues,
|
|
pPropArray,
|
|
pExistingMem,
|
|
dwMemSize
|
|
);
|
|
break;
|
|
|
|
case UMI_TYPE_BOOL:
|
|
hr = WinNTTypeToUmiBools(
|
|
pNtObject,
|
|
dwNumValues,
|
|
pPropArray,
|
|
pExistingMem,
|
|
dwMemSize
|
|
);
|
|
break;
|
|
|
|
case UMI_TYPE_IDISPATCH:
|
|
case UMI_TYPE_IUNKNOWN:
|
|
case UMI_TYPE_VARIANT: // TODO later
|
|
BAIL_ON_FAILURE(hr = UMI_E_CANT_CONVERT_DATA);
|
|
|
|
case UMI_TYPE_LPWSTR:
|
|
hr = WinNTTypeToUmiLPWSTRs(
|
|
pNtObject,
|
|
dwNumValues,
|
|
pPropArray,
|
|
pExistingMem,
|
|
dwMemSize
|
|
);
|
|
break;
|
|
|
|
case UMI_TYPE_OCTETSTRING:
|
|
hr = WinNTTypeToUmiOctetStrings(
|
|
pNtObject,
|
|
dwNumValues,
|
|
pPropArray,
|
|
pExistingMem,
|
|
dwMemSize
|
|
);
|
|
break;
|
|
|
|
case UMI_TYPE_UMIARRAY:
|
|
case UMI_TYPE_DISCOVERY:
|
|
case UMI_TYPE_UNDEFINED:
|
|
case UMI_TYPE_DEFAULT:
|
|
BAIL_ON_FAILURE(hr = UMI_E_CANT_CONVERT_DATA);
|
|
|
|
default:
|
|
BAIL_ON_FAILURE(hr = UMI_E_CANT_CONVERT_DATA);
|
|
} // switch
|
|
|
|
} __except( EXCEPTION_EXECUTE_HANDLER ) {
|
|
if(pExistingMem != NULL) {
|
|
// assume this is the cause of the exception
|
|
BAIL_ON_FAILURE(hr = UMI_E_INTERNAL_EXCEPTION);
|
|
}
|
|
else
|
|
// don't mask bugs in provider
|
|
throw;
|
|
}
|
|
|
|
if(pPropArray != NULL) {
|
|
pPropArray->uType = UmiType;
|
|
pPropArray->uCount = dwNumValues;
|
|
}
|
|
|
|
error:
|
|
|
|
RRETURN(hr);
|
|
|
|
}
|