Source code of Windows XP (NT5)
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1479 lines
45 KiB

//---------------------------------------------------------------------------
//
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1995
//
// File: cdssrch.cxx
//
// Contents: Microsoft ADs NDS Provider Generic Object
//
//
// History: 03-02-97 ShankSh Created.
//
//----------------------------------------------------------------------------
#include "nds.hxx"
#pragma hdrstop
const int NO_NDS_RESULT_HANDLES = 32;
static
HRESULT
NdsValueToADsColumn(
LPWSTR pszColumnName,
DWORD dwSyntaxId,
DWORD dwValues,
LPBYTE lpValue,
ADS_SEARCH_COLUMN * pColumn
);
static
HRESULT
NdsValueToADsColumnAppend(
DWORD dwSyntaxId,
DWORD dwValues,
LPBYTE lpValue,
ADS_SEARCH_COLUMN * pColumn
);
static
HRESULT
NdsAddAttributes(
IN ADS_SEARCH_HANDLE hSearchHandle,
OUT HANDLE *phSearchResult
);
//
// Sets the appropriate search preferences.
//
HRESULT
CNDSGenObject::SetSearchPreference(
IN PADS_SEARCHPREF_INFO pSearchPrefs,
IN DWORD dwNumPrefs
)
{
HRESULT hr = S_OK;
BOOL fWarning = FALSE;
DWORD i;
if (!pSearchPrefs && dwNumPrefs > 0) {
RRETURN (E_ADS_BAD_PARAMETER);
}
for (i=0; i<dwNumPrefs; i++) {
pSearchPrefs[i].dwStatus = ADS_STATUS_S_OK;
switch(pSearchPrefs[i].dwSearchPref) {
case ADS_SEARCHPREF_ASYNCHRONOUS:
case ADS_SEARCHPREF_SIZE_LIMIT:
case ADS_SEARCHPREF_TIME_LIMIT:
case ADS_SEARCHPREF_TIMEOUT:
case ADS_SEARCHPREF_PAGESIZE:
case ADS_SEARCHPREF_PAGED_TIME_LIMIT:
case ADS_SEARCHPREF_CHASE_REFERRALS:
//
// Can't be set
//
pSearchPrefs[i].dwStatus = ADS_STATUS_INVALID_SEARCHPREF;
fWarning = TRUE;
continue;
case ADS_SEARCHPREF_DEREF_ALIASES:
if (pSearchPrefs[i].vValue.dwType != ADSTYPE_INTEGER) {
pSearchPrefs[i].dwStatus = ADS_STATUS_INVALID_SEARCHPREFVALUE;
fWarning = TRUE;
continue;
}
switch (pSearchPrefs[i].vValue.Integer) {
case ADS_DEREF_NEVER:
_SearchPref._fDerefAliases = FALSE;
break;
case ADS_DEREF_ALWAYS:
_SearchPref._fDerefAliases = TRUE;
break;
default:
pSearchPrefs[i].dwStatus = ADS_STATUS_INVALID_SEARCHPREFVALUE;
fWarning = TRUE;
continue;
}
break;
case ADS_SEARCHPREF_ATTRIBTYPES_ONLY:
if (pSearchPrefs[i].vValue.dwType != ADSTYPE_BOOLEAN) {
pSearchPrefs[i].dwStatus = ADS_STATUS_INVALID_SEARCHPREFVALUE;
fWarning = TRUE;
continue;
}
_SearchPref._fAttrsOnly = pSearchPrefs[i].vValue.Boolean;
break;
case ADS_SEARCHPREF_SEARCH_SCOPE:
if (pSearchPrefs[i].vValue.dwType != ADSTYPE_INTEGER) {
pSearchPrefs[i].dwStatus = ADS_STATUS_INVALID_SEARCHPREFVALUE;
fWarning = TRUE;
continue;
}
switch (pSearchPrefs[i].vValue.Integer) {
case ADS_SCOPE_ONELEVEL:
_SearchPref._iScope = 0;
break;
case ADS_SCOPE_SUBTREE:
_SearchPref._iScope = 1;
break;
case ADS_SCOPE_BASE:
_SearchPref._iScope = 2;
break;
default:
pSearchPrefs[i].dwStatus = ADS_STATUS_INVALID_SEARCHPREFVALUE;
fWarning = TRUE;
continue;
}
break;
default:
pSearchPrefs[i].dwStatus = ADS_STATUS_INVALID_SEARCHPREF;
fWarning = TRUE;
continue;
}
}
RRETURN (fWarning ? S_ADS_ERRORSOCCURRED : S_OK);
}
HRESULT
CNDSGenObject::ExecuteSearch(
IN LPWSTR pszSearchFilter,
IN LPWSTR * pAttributeNames,
IN DWORD dwNumberAttributes,
OUT PADS_SEARCH_HANDLE phSearchHandle
)
{
PNDS_SEARCHINFO phSearchInfo = NULL;
LPWSTR pszNDSContext = NULL, szCurrAttr = NULL;
DWORD dwAttrNamesLen = 0;
HRESULT hr = S_OK;
ULONG i, j;
LPWSTR pszAttrNameBuffer = NULL, *ppszAttrs = NULL;
if (!phSearchHandle) {
RRETURN (E_ADS_BAD_PARAMETER);
}
//
// Allocate search handle
//
phSearchInfo = (PNDS_SEARCHINFO) AllocADsMem(sizeof(NDS_SEARCHINFO));
if(!phSearchInfo)
BAIL_ON_FAILURE (hr = E_OUTOFMEMORY);
if (pszSearchFilter) {
phSearchInfo->_pszSearchFilter = AllocADsStr(pszSearchFilter);
}
else {
phSearchInfo->_pszSearchFilter = AllocADsStr(L"(object class=*)");
}
if(!(phSearchInfo->_pszSearchFilter))
BAIL_ON_FAILURE (hr = E_OUTOFMEMORY);
hr = BuildNDSPathFromADsPath(
_ADsPath,
&phSearchInfo->_pszBindContext
);
BAIL_ON_FAILURE(hr);
hr = AdsNdsGenerateParseTree(
phSearchInfo->_pszSearchFilter,
phSearchInfo->_pszBindContext,
&phSearchInfo->_pQueryNode
);
BAIL_ON_FAILURE(hr);
phSearchInfo->_fADsPathPresent = FALSE;
phSearchInfo->_fADsPathReturned = FALSE;
if (dwNumberAttributes == -1) {
//
// Specifies returning all attributes
//
phSearchInfo->_ppszAttrs = NULL;
phSearchInfo->_pszAttrNameBuffer = NULL;
phSearchInfo->_fADsPathPresent = TRUE;
}
else {
ppszAttrs = (LPWSTR *) AllocADsMem(
sizeof(LPWSTR) *
(dwNumberAttributes + 1)
);
if (!ppszAttrs)
BAIL_ON_FAILURE(hr = E_OUTOFMEMORY);
for (i = 0; i < dwNumberAttributes; i++)
dwAttrNamesLen+= (wcslen(pAttributeNames[i]) + 1) * sizeof(WCHAR);
pszAttrNameBuffer = (LPWSTR) AllocADsMem(
dwAttrNamesLen
);
if (!pszAttrNameBuffer)
BAIL_ON_FAILURE(hr = E_OUTOFMEMORY);
szCurrAttr = pszAttrNameBuffer;
for (i = 0, j = 0; i < dwNumberAttributes; i++) {
wcscpy(szCurrAttr, pAttributeNames[i]);
ppszAttrs[j] = szCurrAttr;
szCurrAttr += wcslen(ppszAttrs[j]) + 1;
if(_wcsicmp(ppszAttrs[j], L"ADsPath") == 0) {
//
// ADsPath need not be sent
//
phSearchInfo->_fADsPathPresent = TRUE;
}
else {
j++;
}
}
ppszAttrs[j] = NULL;
phSearchInfo->_ppszAttrs = ppszAttrs;
phSearchInfo->_pszAttrNameBuffer = pszAttrNameBuffer;
}
phSearchInfo->_hConnection = NULL;
phSearchInfo->_dwIterHandle = NDS_INITIAL_SEARCH;
phSearchInfo->_pSearchResults = NULL;
phSearchInfo->_cSearchResults = 0;
phSearchInfo->_dwCurrResult = 0;
phSearchInfo->_fResultPrefetched = FALSE;
phSearchInfo->_fCheckForDuplicates = TRUE;
phSearchInfo->_dwCurrAttr = 0;
phSearchInfo->_SearchPref = _SearchPref;
*phSearchHandle = phSearchInfo;
RRETURN(S_OK);
error:
if(phSearchInfo) {
if(phSearchInfo->_pszBindContext)
FreeADsStr(phSearchInfo->_pszBindContext);
if(phSearchInfo->_pszSearchFilter)
FreeADsStr(phSearchInfo->_pszSearchFilter);
if(phSearchInfo->_ppszAttrs)
FreeADsMem(phSearchInfo->_ppszAttrs);
if(phSearchInfo->_pszAttrNameBuffer)
FreeADsMem(phSearchInfo->_pszAttrNameBuffer);
FreeADsMem(phSearchInfo);
}
RRETURN (hr);
}
HRESULT
CNDSGenObject::AbandonSearch(
IN ADS_SEARCH_HANDLE hSearchHandle
)
{
RRETURN(E_NOTIMPL);
}
HRESULT
CNDSGenObject::CloseSearchHandle (
IN ADS_SEARCH_HANDLE hSearchHandle
)
{
HRESULT hr = S_OK;
PNDS_SEARCHINFO phSearchInfo = (PNDS_SEARCHINFO) hSearchHandle;
DWORD dwStatus;
if (!phSearchInfo)
RRETURN (E_ADS_BAD_PARAMETER);
if (phSearchInfo->_pQueryNode) {
dwStatus = NwNdsDeleteQueryTree(phSearchInfo->_pQueryNode);
if (dwStatus) {
hr = HRESULT_FROM_WIN32(GetLastError());
}
}
if (phSearchInfo->_hConnection) {
dwStatus = NwNdsCloseObject(phSearchInfo->_hConnection);
if (dwStatus) {
hr = HRESULT_FROM_WIN32(GetLastError());
}
}
if(phSearchInfo->_pszBindContext)
FreeADsStr(phSearchInfo->_pszBindContext);
if(phSearchInfo->_pszSearchFilter)
FreeADsStr(phSearchInfo->_pszSearchFilter);
if(phSearchInfo->_ppszAttrs)
FreeADsMem(phSearchInfo->_ppszAttrs);
if(phSearchInfo->_pszAttrNameBuffer)
FreeADsMem(phSearchInfo->_pszAttrNameBuffer);
if (phSearchInfo->_pSearchResults) {
for (DWORD i=0; i <= phSearchInfo->_dwCurrResult; i++) {
NwNdsFreeBuffer(phSearchInfo->_pSearchResults[i]._hSearchResult);
}
FreeADsMem(phSearchInfo->_pSearchResults);
}
FreeADsMem(phSearchInfo);
RRETURN (hr);
}
HRESULT
CNDSGenObject::GetFirstRow(
IN ADS_SEARCH_HANDLE hSearchHandle
)
{
RRETURN(E_NOTIMPL);
}
HRESULT
CNDSGenObject::GetNextRow(
IN ADS_SEARCH_HANDLE hSearchHandle
)
{
HRESULT hr;
DWORD dwStatus = NO_ERROR;
PNDS_SEARCH_RESULT pResult, pNextResult;
LPNDS_OBJECT_INFO pObject, pNextObject;
PNDS_SEARCHINFO phSearchInfo = (PNDS_SEARCHINFO) hSearchHandle;
if (!phSearchInfo) {
RRETURN(E_ADS_BAD_PARAMETER);
}
if (phSearchInfo->_fCheckForDuplicates) {
phSearchInfo->_dwCurrAttr = 0;
phSearchInfo->_fADsPathReturned = FALSE;
}
if (!phSearchInfo->_hConnection) {
dwStatus = ADsNwNdsOpenObject(
phSearchInfo->_pszBindContext,
_Credentials,
&phSearchInfo->_hConnection,
NULL,
NULL,
NULL,
NULL
);
if (dwStatus) {
hr = HRESULT_FROM_WIN32(GetLastError());
RRETURN (hr);
}
}
if (phSearchInfo->_pSearchResults) {
pResult = &(phSearchInfo->_pSearchResults[phSearchInfo->_dwCurrResult]);
if (pResult->_pObjects &&
((pResult->_lObjectCurrent+1) < pResult->_lObjects)) {
pResult->_lObjectCurrent++;
RRETURN(S_OK);
}
if (pResult->_lObjectCurrent+1 == pResult->_lObjects &&
phSearchInfo->_fResultPrefetched) {
phSearchInfo->_dwCurrResult++;
pNextResult = &(phSearchInfo->_pSearchResults[phSearchInfo->_dwCurrResult]);
pNextResult->_lObjectCurrent = 0;
phSearchInfo->_fResultPrefetched = FALSE;
if(phSearchInfo->_fCheckForDuplicates) {
pObject = pResult->_pObjects + pResult->_lObjectCurrent;
pNextObject = pNextResult->_pObjects + pNextResult->_lObjectCurrent;
if (!_wcsicmp(pObject->szObjectName, pNextObject->szObjectName)) {
//
// Duplicates; Skip one more result
//
if (pNextResult->_lObjectCurrent+1 < pNextResult->_lObjects)
pNextResult->_lObjectCurrent++;
else
{
pNextResult->_lObjectCurrent++;
RRETURN(S_ADS_NOMORE_ROWS);
}
}
}
if( pNextResult->_lObjectCurrent >= pNextResult->_lObjects &&
phSearchInfo->_dwIterHandle == NDS_NO_MORE_ITERATIONS)
RRETURN(S_ADS_NOMORE_ROWS);
else
RRETURN(S_OK);
}
else if( pResult->_lObjectCurrent+1 >= pResult->_lObjects &&
phSearchInfo->_dwIterHandle == NDS_NO_MORE_ITERATIONS)
{
// Make sure _lObjectCurrent doesn't exceed _lObjects. If the
// result set is empty, _lObjectCurrent should stay at -1
if( ((pResult->_lObjectCurrent+1) == pResult->_lObjects) &&
(pResult->_lObjectCurrent != -1) )
pResult->_lObjectCurrent++;
RRETURN(S_ADS_NOMORE_ROWS);
}
}
if (!phSearchInfo->_pQueryNode) {
//
// querynode not setup yet
//
RRETURN (E_FAIL);
}
if(!phSearchInfo->_pSearchResults) {
//
// Allocate an array of handles to Search Handles
//
phSearchInfo->_pSearchResults = (PNDS_SEARCH_RESULT) AllocADsMem(
sizeof(NDS_SEARCH_RESULT) *
NO_NDS_RESULT_HANDLES);
if(!phSearchInfo->_pSearchResults) {
hr = E_OUTOFMEMORY;
goto error;
}
phSearchInfo->_dwCurrResult = 0;
phSearchInfo->_cSearchResults = NO_NDS_RESULT_HANDLES;
}
else {
phSearchInfo->_dwCurrResult++;
if (phSearchInfo->_dwCurrResult >= phSearchInfo->_cSearchResults) {
//
// Need to allocate more memory for handles
//
phSearchInfo->_pSearchResults = (PNDS_SEARCH_RESULT) ReallocADsMem(
(void *) phSearchInfo->_pSearchResults,
sizeof(NDS_SEARCH_RESULT) *
phSearchInfo->_cSearchResults,
sizeof(NDS_SEARCH_RESULT) *
(phSearchInfo->_cSearchResults +
NO_NDS_RESULT_HANDLES)
);
if(!phSearchInfo->_pSearchResults) {
hr = E_OUTOFMEMORY;
goto error;
}
phSearchInfo->_cSearchResults += NO_NDS_RESULT_HANDLES;
}
}
pNextResult = &(phSearchInfo->_pSearchResults[phSearchInfo->_dwCurrResult]);
hr = NdsAddAttributes(phSearchInfo,
&pNextResult->_hSearchResult
);
BAIL_ON_FAILURE(hr);
pNextResult->_lObjects = 0;
pNextResult->_pObjects = NULL;
// Set _lObjectCurrent to -1 so that empty result set is handled correctly.
// If it is set to 0 and the result set is empty, then a subsequent call
// to GetNextRow will not return S_ADS_NOMORE_ROWS. Instead, it will try to
// search again (in the process, possibly allocate memory for
// _pSearchResults etc.). Also, setting it to -1 ensures that a call to
// GetColumn returns error if the result set is empty.
// Setting it to -1 also ensures that if an error occurs during the search,
// subsequent calls to GetNextRow and GetColumn are handled correctly.
pNextResult->_lObjectCurrent = -1;
dwStatus = NwNdsSearch(
phSearchInfo->_hConnection,
_SearchPref._fAttrsOnly ?
NDS_INFO_NAMES : NDS_INFO_ATTR_NAMES_VALUES,
_SearchPref._iScope,
_SearchPref._fDerefAliases,
phSearchInfo->_pQueryNode,
&phSearchInfo->_dwIterHandle,
&pNextResult->_hSearchResult
);
if (dwStatus) {
hr = HRESULT_FROM_WIN32(GetLastError());
RRETURN (hr);
}
DWORD dwType;
dwStatus = NwNdsGetObjectListFromBuffer(
pNextResult->_hSearchResult,
(DWORD *) (&pNextResult->_lObjects),
&dwType,
&pNextResult->_pObjects
);
if (dwStatus) {
dwStatus = GetLastError();
if (dwStatus == ERROR_NO_DATA)
RRETURN(S_ADS_NOMORE_ROWS);
else
RRETURN (HRESULT_FROM_WIN32(dwStatus));
}
if (pNextResult->_lObjects > 0) {
pNextResult->_lObjectCurrent = 0;
if(phSearchInfo->_fCheckForDuplicates && phSearchInfo->_dwCurrResult > 0) {
pResult = &(phSearchInfo->_pSearchResults[phSearchInfo->_dwCurrResult-1]);
pObject = pResult->_pObjects + pResult->_lObjectCurrent;
pNextObject = pNextResult->_pObjects + pNextResult->_lObjectCurrent;
if (!_wcsicmp(pObject->szObjectName, pNextObject->szObjectName)) {
//
// Duplicates; Skip one more result
//
pNextResult->_lObjectCurrent++;
}
}
if( pNextResult->_lObjectCurrent >= pNextResult->_lObjects &&
phSearchInfo->_dwIterHandle == NDS_NO_MORE_ITERATIONS)
RRETURN(S_ADS_NOMORE_ROWS);
RRETURN(S_OK);
}
else
RRETURN(E_FAIL);
error:
RRETURN(hr);
}
HRESULT
CNDSGenObject::GetPreviousRow(
IN ADS_SEARCH_HANDLE hSearchHandle
)
{
PNDS_SEARCH_RESULT pResult, pPrevResult;
LPNDS_OBJECT_INFO pPrevObject, pObject;
PNDS_SEARCHINFO phSearchInfo = (PNDS_SEARCHINFO) hSearchHandle;
if(!phSearchInfo || !phSearchInfo->_pSearchResults)
RRETURN(E_FAIL);
if (phSearchInfo->_fCheckForDuplicates) {
phSearchInfo->_dwCurrAttr = 0;
phSearchInfo->_fADsPathReturned = FALSE;
}
pResult = &(phSearchInfo->_pSearchResults[phSearchInfo->_dwCurrResult]);
if (pResult->_lObjectCurrent > 0)
{
pResult->_lObjectCurrent--;
if(phSearchInfo->_fCheckForDuplicates &&
(phSearchInfo->_dwCurrResult > 0) && (0 == pResult->_lObjectCurrent))
{
pPrevResult = &(phSearchInfo->_pSearchResults[
phSearchInfo->_dwCurrResult - 1]);
pPrevObject = pPrevResult->_pObjects + pPrevResult->_lObjects - 1;
pObject = pResult->_pObjects + pResult->_lObjectCurrent;
if(!_wcsicmp(pObject->szObjectName, pPrevObject->szObjectName)) {
// Current row is a duplicate. Go to previous result
phSearchInfo->_dwCurrResult--;
pResult = &(phSearchInfo->_pSearchResults[
phSearchInfo->_dwCurrResult]);
pResult->_lObjectCurrent = pResult->_lObjects-1;
phSearchInfo->_fResultPrefetched = TRUE;
}
}
}
else if (phSearchInfo->_dwCurrResult > 0) {
phSearchInfo->_dwCurrResult--;
pResult = &(phSearchInfo->_pSearchResults[phSearchInfo->_dwCurrResult]);
pResult->_lObjectCurrent = pResult->_lObjects-1;
phSearchInfo->_fResultPrefetched = TRUE;
}
else if(0 == pResult->_lObjectCurrent)
// we are at the very beginning of the result set
pResult->_lObjectCurrent--;
else
RRETURN(S_ADS_NOMORE_ROWS);
RRETURN(S_OK);
}
HRESULT
CNDSGenObject::GetColumn(
IN ADS_SEARCH_HANDLE hSearchHandle,
IN LPWSTR pszColumnName,
OUT PADS_SEARCH_COLUMN pColumn
)
{
HRESULT hr = S_OK;
DWORD dwStatus;
DWORD dwSyntaxId = 0;
DWORD dwNumValues = 0;
LPNDS_ATTR_INFO pAttribute;
PNDS_SEARCH_RESULT pResult, pNextResult;
LPNDS_OBJECT_INFO pObject, pNextObject;
DWORD cAttr;
BOOL fRowAdvanced = FALSE;
PNDS_SEARCHINFO phSearchInfo = (PNDS_SEARCHINFO) hSearchHandle;
if( !pColumn ||
!phSearchInfo ||
!phSearchInfo->_pSearchResults )
RRETURN (E_ADS_BAD_PARAMETER);
pColumn->pszAttrName = NULL;
pColumn->dwADsType = ADSTYPE_INVALID;
pColumn->pADsValues = NULL;
pColumn->dwNumValues = 0;
pColumn->hReserved = NULL;
pResult = &(phSearchInfo->_pSearchResults[phSearchInfo->_dwCurrResult]);
if( pResult->_lObjectCurrent < 0 )
RRETURN (E_ADS_BAD_PARAMETER);
pObject = pResult->_pObjects + pResult->_lObjectCurrent;
pColumn->pszAttrName = AllocADsStr(pszColumnName);
if (pColumn->pszAttrName)
BAIL_ON_FAILURE(hr);
if(!_wcsicmp (pszColumnName, L"ADsPath")) {
LPWSTR szNDSPath = pObject->szObjectFullName;
//
// Build the ADsPathName
//
WCHAR szTree[MAX_PATH];
WCHAR szCN[MAX_PATH];
WCHAR szADsPath[MAX_PATH];
// Building the CN and the TreeName
LPWSTR szCurrent = szNDSPath;
szCurrent+=2;
while ((WCHAR)(*szCurrent) != (WCHAR)'\\')
szCurrent++;
wcsncpy( szTree,
szNDSPath,
(UINT) (szCurrent-szNDSPath) );
// Make the first two characters "//" instead of "\\"
szTree[0] = (WCHAR)'/';
szTree[1] = (WCHAR)'/';
szTree[szCurrent-szNDSPath] = (WCHAR)'\0';
szCurrent++;
wcscpy( szCN,
szCurrent );
// Building the ADsPath
hr = BuildADsPathFromNDSPath(
szTree,
szCN,
szADsPath
);
BAIL_ON_FAILURE(hr);
if(*szADsPath) {
pColumn->pADsValues = (PADSVALUE) AllocADsMem(sizeof(ADSVALUE));
if (!pColumn->pADsValues)
BAIL_ON_FAILURE(hr = E_OUTOFMEMORY);
pColumn->dwADsType = ADSTYPE_CASE_IGNORE_STRING;
pColumn->dwNumValues = 1;
pColumn->pADsValues[0].dwType = ADSTYPE_CASE_IGNORE_STRING;
pColumn->pADsValues[0].CaseIgnoreString = AllocADsStr(szADsPath);
if (!pColumn->pADsValues[0].CaseIgnoreString)
BAIL_ON_FAILURE(hr = E_OUTOFMEMORY);
pColumn->hReserved = pColumn->pADsValues[0].CaseIgnoreString;
}
RRETURN(S_OK);
}
if (phSearchInfo->_SearchPref._fAttrsOnly) {
//
// Only Names got. So, don't return any values
//
RRETURN (S_OK);
}
pAttribute = (LPNDS_ATTR_INFO)pObject->lpAttribute;
for (cAttr=0;cAttr<pObject->dwNumberOfAttributes;cAttr++,pAttribute++) {
if (_wcsicmp(
pAttribute->szAttributeName,
pszColumnName
) == 0)
break;
}
if (cAttr == pObject->dwNumberOfAttributes) {
if(pResult->_lObjectCurrent+1 != pResult->_lObjects ||
(phSearchInfo->_dwIterHandle == NDS_NO_MORE_ITERATIONS &&
!phSearchInfo->_fResultPrefetched)) {
//
// No need to look in the next result set;
//
BAIL_ON_FAILURE(hr = E_ADS_COLUMN_NOT_SET);
}
else {
//
// There is a chance that the column may come in the next
// result set. So, fetch the next set of results.
//
phSearchInfo->_fCheckForDuplicates = FALSE;
hr = GetNextRow(
phSearchInfo
);
phSearchInfo->_fCheckForDuplicates = TRUE;
BAIL_ON_FAILURE(hr);
if (hr == S_ADS_NOMORE_ROWS) {
BAIL_ON_FAILURE(hr = E_ADS_COLUMN_NOT_SET);
}
fRowAdvanced = TRUE;
pNextResult = &(phSearchInfo->_pSearchResults[phSearchInfo->_dwCurrResult]);
pNextObject = pNextResult->_pObjects + pNextResult->_lObjectCurrent;
if (_wcsicmp(pObject->szObjectName, pNextObject->szObjectName)) {
//
// No need to look in the next object;
//
BAIL_ON_FAILURE(hr = E_ADS_COLUMN_NOT_SET);
}
else {
//
// Look in the next object
//
pAttribute = (LPNDS_ATTR_INFO)pNextObject->lpAttribute;
for (cAttr=0;cAttr<pNextObject->dwNumberOfAttributes;cAttr++,pAttribute++) {
if (_wcsicmp(
pAttribute->szAttributeName,
pszColumnName
) == 0)
break;
}
if (cAttr == pNextObject->dwNumberOfAttributes) {
//
// Didn't find in the next result set containing the row too
//
BAIL_ON_FAILURE(hr = E_ADS_COLUMN_NOT_SET);
}
}
}
}
hr = NdsValueToADsColumn(
pszColumnName,
pAttribute->dwSyntaxId,
pAttribute->dwNumberOfValues,
pAttribute->lpValue,
pColumn
);
BAIL_ON_FAILURE(hr);
//
// Added in to support the case when one multivalue attribute is split into 2 packets. The
// following case checks
// 1) if we haven't advanced the row, if we have advanced already, the whole
// Attribute will already be completely residing in the second packet
// 2) the attribute was the last attribute from the last packet, thus
// the next attribute, (the first attribute of the next row) might be
// the same.
//
if ((!fRowAdvanced) &&
(cAttr == (pObject->dwNumberOfAttributes - 1))) {
//
// If there is indeed a need to try out an extra packet
//
if(pResult->_lObjectCurrent+1 != pResult->_lObjects ||
(phSearchInfo->_dwIterHandle == NDS_NO_MORE_ITERATIONS &&
!phSearchInfo->_fResultPrefetched)) {
//
// No need to look in the next result set;
//
hr = S_OK;
goto done;
}
else {
//
// There is a chance that the column may come in the next
// result set. So, fetch the next set of results.
//
phSearchInfo->_fCheckForDuplicates = FALSE;
hr = GetNextRow(
phSearchInfo
);
phSearchInfo->_fCheckForDuplicates = TRUE;
BAIL_ON_FAILURE(hr);
if (hr == S_ADS_NOMORE_ROWS) {
hr = S_OK;
goto done;
}
fRowAdvanced = TRUE;
pNextResult = &(phSearchInfo->_pSearchResults[phSearchInfo->_dwCurrResult]);
pNextObject = pNextResult->_pObjects + pNextResult->_lObjectCurrent;
if (_wcsicmp(pObject->szObjectName, pNextObject->szObjectName)) {
//
// No need to look in the next object, since objname is different
//
hr = S_OK;
goto done;
}
else {
//
// Look in the next object, look for the same attribute
//
pAttribute = (LPNDS_ATTR_INFO)pNextObject->lpAttribute;
for (cAttr=0;cAttr<pNextObject->dwNumberOfAttributes;cAttr++,pAttribute++) {
if (_wcsicmp(
pAttribute->szAttributeName,
pszColumnName
) == 0)
break;
}
if (cAttr == pNextObject->dwNumberOfAttributes) {
//
// Didn't find in the next result set containing the row too
//
hr = S_OK;
goto done;
}
}
}
//
// If found, we'll append it to the last column
//
hr = NdsValueToADsColumnAppend(
pAttribute->dwSyntaxId,
pAttribute->dwNumberOfValues,
pAttribute->lpValue,
pColumn
);
BAIL_ON_FAILURE(hr);
}
done:
if (fRowAdvanced) {
phSearchInfo->_fCheckForDuplicates = FALSE;
GetPreviousRow(phSearchInfo);
phSearchInfo->_fCheckForDuplicates = TRUE;
}
RRETURN(S_OK);
error:
if (fRowAdvanced) {
phSearchInfo->_fCheckForDuplicates = FALSE;
GetPreviousRow(phSearchInfo);
phSearchInfo->_fCheckForDuplicates = TRUE;
}
FreeColumn(pColumn);
RRETURN (hr);
}
HRESULT
CNDSGenObject::GetNextColumnName(
IN ADS_SEARCH_HANDLE hSearchHandle,
OUT LPWSTR * ppszColumnName
)
{
HRESULT hr = S_OK;
LPNDS_ATTR_INFO pAttribute;
LPNDS_ATTR_INFO pAttributeOld = NULL;
LPNDS_NAME_ONLY pNameOnlyAttr;
PNDS_SEARCH_RESULT pResult, pNextResult;
LPNDS_OBJECT_INFO pObject, pNextObject;
BOOL fRowAdvanced = FALSE;
PNDS_SEARCHINFO phSearchInfo = (PNDS_SEARCHINFO) hSearchHandle;
if( !phSearchInfo ||
!phSearchInfo->_pSearchResults ||
!ppszColumnName)
RRETURN (E_ADS_BAD_PARAMETER);
*ppszColumnName = NULL;
pResult = &(phSearchInfo->_pSearchResults[phSearchInfo->_dwCurrResult]);
if( pResult->_lObjectCurrent < 0 )
RRETURN (E_ADS_BAD_PARAMETER);
pObject = pResult->_pObjects + pResult->_lObjectCurrent;
pNameOnlyAttr = (LPNDS_NAME_ONLY)pObject->lpAttribute +
phSearchInfo->_dwCurrAttr;
pAttribute = (LPNDS_ATTR_INFO)pObject->lpAttribute +
phSearchInfo->_dwCurrAttr;
//
// Get the last attribute's name to test it to avoid getting duplicate
// column names. This will happen if a multi-value got divided into two
// packets. In that case, both attribute names would be the same.
// We are only getting the last attribute if this object has greater than
// 1 object, or else if this attribute is the first attribute, there would
// not be a one before
//
if (phSearchInfo->_dwCurrAttr > 0) {
pAttributeOld = pAttribute - 1;
}
if (phSearchInfo->_dwCurrAttr >= pObject->dwNumberOfAttributes) {
if(pResult->_lObjectCurrent+1 != pResult->_lObjects ||
(phSearchInfo->_dwIterHandle == NDS_NO_MORE_ITERATIONS &&
!phSearchInfo->_fResultPrefetched)) {
//
// No need to look in the next result set;
//
hr = S_ADS_NOMORE_COLUMNS;
goto error;
}
else {
//
// There is a chance that the column may come in the next
// result set. So, fetch the next set of results.
//
phSearchInfo->_fCheckForDuplicates = FALSE;
hr = GetNextRow(
phSearchInfo
);
phSearchInfo->_fCheckForDuplicates = TRUE;
BAIL_ON_FAILURE(hr);
if (hr == S_ADS_NOMORE_ROWS) {
hr = S_ADS_NOMORE_COLUMNS;
goto error;
}
fRowAdvanced = TRUE;
pNextResult = &(phSearchInfo->_pSearchResults[phSearchInfo->_dwCurrResult]);
pNextObject = pNextResult->_pObjects + pNextResult->_lObjectCurrent;
if (_wcsicmp(pObject->szObjectName, pNextObject->szObjectName)) {
//
// No need to look in the next object;
//
hr = S_ADS_NOMORE_COLUMNS;
goto error;
}
else {
//
// Look in the next object
//
pNameOnlyAttr = (LPNDS_NAME_ONLY)pNextObject->lpAttribute +
phSearchInfo->_dwCurrAttr -
pObject->dwNumberOfAttributes;
pAttribute = (LPNDS_ATTR_INFO)pNextObject->lpAttribute +
phSearchInfo->_dwCurrAttr -
pObject->dwNumberOfAttributes;
//
// If the new attribute is after the first attribute in the new object,
// we'll reset AttributeOld to point to the attribute before this.
// Because the old attribute will be the one before the current one
// in this case.
//
if ((phSearchInfo->_dwCurrAttr - pObject->dwNumberOfAttributes) > 0) {
pAttributeOld = pAttribute - 1;
}
if (phSearchInfo->_dwCurrAttr >= (pObject->dwNumberOfAttributes +
pNextObject->dwNumberOfAttributes)) {
//
// Didn't find in the next result set
// containing the row too
//
hr = S_ADS_NOMORE_COLUMNS;
goto error;
}
//
// If it is a duplicate column, go on to the next one
//
if (pAttributeOld) {
if(wcscmp(pAttribute->szAttributeName,
pAttributeOld->szAttributeName) == 0) {
phSearchInfo->_dwCurrAttr++;
if (phSearchInfo->_dwCurrAttr >= (pObject->dwNumberOfAttributes +
pNextObject->dwNumberOfAttributes)) {
//
// Didn't find in the next result set
// containing the row too
//
hr = S_ADS_NOMORE_COLUMNS;
goto error;
}
pNameOnlyAttr = (LPNDS_NAME_ONLY)pNextObject->lpAttribute +
phSearchInfo->_dwCurrAttr -
pObject->dwNumberOfAttributes;
pAttribute = (LPNDS_ATTR_INFO)pNextObject->lpAttribute +
phSearchInfo->_dwCurrAttr -
pObject->dwNumberOfAttributes;
}
}
}
}
}
if (phSearchInfo->_SearchPref._fAttrsOnly)
*ppszColumnName = AllocADsStr(
pNameOnlyAttr->szName
);
else
*ppszColumnName = AllocADsStr(
pAttribute->szAttributeName
);
phSearchInfo->_dwCurrAttr++;
if (fRowAdvanced) {
phSearchInfo->_fCheckForDuplicates = FALSE;
GetPreviousRow(phSearchInfo);
phSearchInfo->_fCheckForDuplicates = TRUE;
}
RRETURN(S_OK);
error:
if (fRowAdvanced) {
phSearchInfo->_fCheckForDuplicates = FALSE;
GetPreviousRow(phSearchInfo);
phSearchInfo->_fCheckForDuplicates = TRUE;
}
if (*ppszColumnName)
FreeADsStr(*ppszColumnName);
if (hr == S_ADS_NOMORE_COLUMNS && phSearchInfo->_fADsPathPresent) {
//
// If ADsPath was specified, return it as the last column in the row
//
if (!phSearchInfo->_fADsPathReturned) {
*ppszColumnName = AllocADsStr(L"ADsPath");
phSearchInfo->_fADsPathReturned = TRUE;
hr = S_OK;
}
else {
hr = S_ADS_NOMORE_COLUMNS;
}
}
RRETURN (hr);
}
HRESULT
CNDSGenObject::FreeColumn(
IN PADS_SEARCH_COLUMN pColumn
)
{
HRESULT hr = S_OK;
if(!pColumn)
RRETURN (E_ADS_BAD_PARAMETER);
if (pColumn->pszAttrName)
FreeADsStr(pColumn->pszAttrName);
switch(pColumn->dwADsType) {
case ADSTYPE_CASE_IGNORE_STRING:
if ((PNDSOBJECT)pColumn->hReserved) {
//ADsPath does not have hReserved, it is a direct string allocation
if (pColumn->pADsValues) {
FreeADsStr(pColumn->pADsValues[0].CaseIgnoreString);
}
}
break;
default:
// Nothing to free
break;
}
if (pColumn->pADsValues)
FreeADsMem(pColumn->pADsValues);
RRETURN(hr);
}
HRESULT
NdsValueToADsColumn(
LPWSTR pszColumnName,
DWORD dwSyntaxId,
DWORD dwValues,
LPBYTE lpValue,
ADS_SEARCH_COLUMN * pColumn
)
{
HRESULT hr = S_OK;
LPASN1_TYPE_1 lpASN1_1;
LPASN1_TYPE_7 lpASN1_7;
LPASN1_TYPE_8 lpASN1_8;
LPASN1_TYPE_9 lpASN1_9;
LPASN1_TYPE_14 lpASN1_14;
LPASN1_TYPE_24 lpASN1_24;
DWORD i, j;
if(!pszColumnName || !pColumn)
RRETURN(E_ADS_BAD_PARAMETER);
pColumn->hReserved = NULL;
pColumn->dwNumValues = dwValues;
pColumn->pADsValues = (PADSVALUE) AllocADsMem(
sizeof(ADSVALUE) * dwValues
);
if (!pColumn->pADsValues)
BAIL_ON_FAILURE(hr = E_OUTOFMEMORY);
if (dwSyntaxId >= g_cMapNdsTypeToADsType)
pColumn->dwADsType = ADSTYPE_INVALID;
else
pColumn->dwADsType = g_MapNdsTypeToADsType[dwSyntaxId];
switch (dwSyntaxId) {
// WIDE STRING
case NDS_SYNTAX_ID_1:
case NDS_SYNTAX_ID_2:
case NDS_SYNTAX_ID_3:
case NDS_SYNTAX_ID_4:
case NDS_SYNTAX_ID_5:
case NDS_SYNTAX_ID_10:
case NDS_SYNTAX_ID_11:
case NDS_SYNTAX_ID_20:
for (i=0; i < dwValues; i++) {
lpASN1_1 = (LPASN1_TYPE_1) lpValue + i;
pColumn->pADsValues[i].dwType = pColumn->dwADsType;
pColumn->pADsValues[i].CaseIgnoreString = lpASN1_1->DNString;
}
break;
case NDS_SYNTAX_ID_14 :
for (i=0; i < dwValues; i++) {
lpASN1_14 = (LPASN1_TYPE_14) lpValue + i;
pColumn->pADsValues[i].dwType = pColumn->dwADsType;
pColumn->pADsValues[i].CaseIgnoreString = lpASN1_14->Address;
}
break;
// BYTE STREAM
case NDS_SYNTAX_ID_9:
for (i=0; i < dwValues; i++) {
lpASN1_9 = (LPASN1_TYPE_9) lpValue + i;
pColumn->pADsValues[i].dwType = pColumn->dwADsType;
pColumn->pADsValues[i].OctetString.dwLength =lpASN1_9->Length;
pColumn->pADsValues[i].OctetString.lpValue = lpASN1_9->OctetString;
}
break;
// BOOLEAN
case NDS_SYNTAX_ID_7:
for (i=0; i < dwValues; i++) {
lpASN1_7 = (LPASN1_TYPE_7) lpValue + i;
pColumn->pADsValues[i].dwType = pColumn->dwADsType;
pColumn->pADsValues[i].Boolean = lpASN1_7->Boolean;
}
break;
// INTEGER
case NDS_SYNTAX_ID_8:
case NDS_SYNTAX_ID_22:
case NDS_SYNTAX_ID_27:
for (i=0; i < dwValues; i++) {
lpASN1_8 = (LPASN1_TYPE_8) lpValue + i;
pColumn->pADsValues[i].dwType = pColumn->dwADsType;
pColumn->pADsValues[i].Integer = lpASN1_8->Integer;
}
break;
case NDS_SYNTAX_ID_24 :
for (i=0; i < dwValues; i++) {
lpASN1_24 = (LPASN1_TYPE_24) lpValue + i;
pColumn->pADsValues[i].dwType = pColumn->dwADsType;
hr = ConvertDWORDtoSYSTEMTIME(
lpASN1_24->Time,
&(pColumn->pADsValues[i].UTCTime)
);
BAIL_ON_FAILURE(hr);
}
break;
case NDS_SYNTAX_ID_6 :
case NDS_SYNTAX_ID_12 :
case NDS_SYNTAX_ID_13 :
case NDS_SYNTAX_ID_15 :
case NDS_SYNTAX_ID_16 :
case NDS_SYNTAX_ID_17 :
case NDS_SYNTAX_ID_18 :
case NDS_SYNTAX_ID_19 :
case NDS_SYNTAX_ID_21 :
case NDS_SYNTAX_ID_23 :
case NDS_SYNTAX_ID_25 :
case NDS_SYNTAX_ID_26 :
default:
for (i=0; i < dwValues; i++) {
pColumn->pADsValues[i].dwType = pColumn->dwADsType;
pColumn->pADsValues[i].ProviderSpecific.dwLength =0;
pColumn->pADsValues[i].ProviderSpecific.lpValue = NULL;
}
break;
}
RRETURN(hr);
error:
if (pColumn->pADsValues)
FreeADsMem(pColumn->pADsValues);
RRETURN(hr);
}
/*++
Routine Description:
Given a column, this function will append more values to the end
Return Value:
S_OK on success, error code otherwise
--*/
HRESULT
NdsValueToADsColumnAppend(
DWORD dwSyntaxId,
DWORD dwValues,
LPBYTE lpValue,
ADS_SEARCH_COLUMN * pColumn
)
{
HRESULT hr = S_OK;
LPASN1_TYPE_1 lpASN1_1;
LPASN1_TYPE_7 lpASN1_7;
LPASN1_TYPE_8 lpASN1_8;
LPASN1_TYPE_9 lpASN1_9;
LPASN1_TYPE_14 lpASN1_14;
LPASN1_TYPE_24 lpASN1_24;
DWORD i, j;
PADSVALUE pADsValuesNew = NULL;
DWORD dwValuesBase;
if(!pColumn)
RRETURN(E_ADS_BAD_PARAMETER);
dwValuesBase = pColumn->dwNumValues;
//
// Allocate memory for new values + old values
//
pADsValuesNew = (PADSVALUE) AllocADsMem(
sizeof(ADSVALUE) * (pColumn->dwNumValues + dwValues)
);
if (!pADsValuesNew) {
BAIL_ON_FAILURE(hr = E_OUTOFMEMORY);
}
//
// Copy old values into new array, and free the old one
//
memcpy(pADsValuesNew,
pColumn->pADsValues,
sizeof(ADSVALUE) * dwValuesBase);
FreeADsMem(pColumn->pADsValues);
pColumn->pADsValues = pADsValuesNew;
switch (dwSyntaxId) {
// WIDE STRING
case NDS_SYNTAX_ID_1:
case NDS_SYNTAX_ID_2:
case NDS_SYNTAX_ID_3:
case NDS_SYNTAX_ID_4:
case NDS_SYNTAX_ID_5:
case NDS_SYNTAX_ID_10:
case NDS_SYNTAX_ID_11:
case NDS_SYNTAX_ID_20:
for (i=0; i < dwValues; i++) {
lpASN1_1 = (LPASN1_TYPE_1) lpValue + i;
pColumn->pADsValues[dwValuesBase+i].dwType = pColumn->dwADsType;
pColumn->pADsValues[dwValuesBase+i].CaseIgnoreString = lpASN1_1->DNString;
}
break;
case NDS_SYNTAX_ID_14 :
for (i=0; i < dwValues; i++) {
lpASN1_14 = (LPASN1_TYPE_14) lpValue + i;
pColumn->pADsValues[dwValuesBase+i].dwType = pColumn->dwADsType;
pColumn->pADsValues[dwValuesBase+i].CaseIgnoreString = lpASN1_14->Address;
}
break;
// BYTE STREAM
case NDS_SYNTAX_ID_9:
for (i=0; i < dwValues; i++) {
lpASN1_9 = (LPASN1_TYPE_9) lpValue + i;
pColumn->pADsValues[dwValuesBase+i].dwType = pColumn->dwADsType;
pColumn->pADsValues[dwValuesBase+i].OctetString.dwLength =lpASN1_9->Length;
pColumn->pADsValues[dwValuesBase+i].OctetString.lpValue = lpASN1_9->OctetString;
}
break;
// BOOLEAN
case NDS_SYNTAX_ID_7:
for (i=0; i < dwValues; i++) {
lpASN1_7 = (LPASN1_TYPE_7) lpValue + i;
pColumn->pADsValues[dwValuesBase+i].dwType = pColumn->dwADsType;
pColumn->pADsValues[dwValuesBase+i].Boolean = lpASN1_7->Boolean;
}
break;
// INTEGER
case NDS_SYNTAX_ID_8:
case NDS_SYNTAX_ID_22:
case NDS_SYNTAX_ID_27:
for (i=0; i < dwValues; i++) {
lpASN1_8 = (LPASN1_TYPE_8) lpValue + i;
pColumn->pADsValues[dwValuesBase+i].dwType = pColumn->dwADsType;
pColumn->pADsValues[dwValuesBase+i].Integer = lpASN1_8->Integer;
}
break;
case NDS_SYNTAX_ID_24 :
for (i=0; i < dwValues; i++) {
lpASN1_24 = (LPASN1_TYPE_24) lpValue + i;
pColumn->pADsValues[dwValuesBase+i].dwType = pColumn->dwADsType;
hr = ConvertDWORDtoSYSTEMTIME(
lpASN1_24->Time,
&(pColumn->pADsValues[dwValuesBase+i].UTCTime)
);
BAIL_ON_FAILURE(hr);
}
break;
case NDS_SYNTAX_ID_6 :
case NDS_SYNTAX_ID_12 :
case NDS_SYNTAX_ID_13 :
case NDS_SYNTAX_ID_15 :
case NDS_SYNTAX_ID_16 :
case NDS_SYNTAX_ID_17 :
case NDS_SYNTAX_ID_18 :
case NDS_SYNTAX_ID_19 :
case NDS_SYNTAX_ID_21 :
case NDS_SYNTAX_ID_23 :
case NDS_SYNTAX_ID_25 :
case NDS_SYNTAX_ID_26 :
default:
for (i=0; i < dwValues; i++) {
pColumn->pADsValues[dwValuesBase+i].dwType = pColumn->dwADsType;
pColumn->pADsValues[dwValuesBase+i].ProviderSpecific.dwLength =0;
pColumn->pADsValues[dwValuesBase+i].ProviderSpecific.lpValue = NULL;
}
break;
}
pColumn->dwNumValues = pColumn->dwNumValues + dwValues;
error:
//
// We don't need to free memory even in error case because it has been
// put into the column
//
RRETURN(hr);
}
HRESULT
NdsAddAttributes(
IN ADS_SEARCH_HANDLE hSearchHandle,
OUT HANDLE *phSearchResult
)
{
DWORD dwStatus = NO_ERROR;
HANDLE hSearchResult = NULL;
HRESULT hr;
DWORD i;
PNDS_SEARCHINFO phSearchInfo = (PNDS_SEARCHINFO) hSearchHandle;
if (!phSearchResult || !phSearchResult)
RRETURN( E_FAIL );
*phSearchResult = NULL;
if(!phSearchInfo->_ppszAttrs)
RRETURN(S_OK);
dwStatus = NwNdsCreateBuffer( NDS_SEARCH,
&hSearchResult );
if (dwStatus) {
hr = HRESULT_FROM_WIN32(GetLastError());
goto error;
}
for (i=0; phSearchInfo->_ppszAttrs[i]; i++) {
dwStatus = NwNdsPutInBuffer( phSearchInfo->_ppszAttrs[i],
0,
NULL,
0,
0,
hSearchResult );
if (dwStatus) {
hr = HRESULT_FROM_WIN32(GetLastError());
goto error;
}
}
*phSearchResult = hSearchResult;
RRETURN( S_OK );
error:
if(hSearchResult)
NwNdsFreeBuffer(phSearchInfo);
RRETURN(hr);
}