用于查找分区容器的示例代码
本主题包含用于查找分区容器的代码示例。
以下 C/C++ 代码示例通过搜索 crossRefContainer 对象的配置容器来获取分区容器的可分辨名称。
/***************************************************************************
GetPartitionsDNSearch()
Description: Gets the distinguished name of the Partitions container in
the current enterprise forest.
Parameters:
ppwszPartitionsDN - Pointer to an LPWSTR that receives the distinguished
name string. The caller must free this memory with
FreeADsMem when it is no longer required.
***************************************************************************/
HRESULT GetPartitionsDNSearch(LPWSTR *ppwszPartitionsDN)
{
*ppwszPartitionsDN = NULL;
HRESULT hr;
IADs *padsRootDSE;
// Bind to the RootDSE to get the configurationNamingContext property.
hr = ADsOpenObject( L"LDAP://RootDSE",
NULL,
NULL,
ADS_SECURE_AUTHENTICATION,
IID_IADs,
(LPVOID*)&padsRootDSE);
if(SUCCEEDED(hr))
{
CComVariant svar;
// Get the configurationNamingContext property.
hr = padsRootDSE->Get(CComBSTR("configurationNamingContext"), &svar);
if(SUCCEEDED(hr))
{
IDirectorySearch *pConfigSearch;
// Bind to the Configuration container.
CComBSTR sbstrPath = "LDAP://";
sbstrPath += svar.bstrVal;
hr = ADsOpenObject( sbstrPath,
NULL,
NULL,
ADS_SECURE_AUTHENTICATION,
IID_IDirectorySearch,
(LPVOID*)&pConfigSearch);
if(SUCCEEDED(hr))
{
// Search for an object that is of type crossRefContainer.
ADS_SEARCHPREF_INFO SearchPref[1];
// Set the search scope.
SearchPref[0].dwSearchPref = ADS_SEARCHPREF_SEARCH_SCOPE;
SearchPref[0].vValue.dwType = ADSTYPE_INTEGER;
SearchPref[0].vValue.Integer = ADS_SCOPE_ONELEVEL;
hr = pConfigSearch->SetSearchPreference(SearchPref, sizeof(SearchPref)/sizeof(ADS_SEARCHPREF_INFO));
if(SUCCEEDED(hr))
{
ADS_SEARCH_HANDLE hSearch = NULL;
LPWSTR pwszAttributes[1] = {L"distinguishedName"};
LPWSTR pwszSearchFilter = L"(&(objectClass=crossRefContainer))";
// Execute the search.
hr = pConfigSearch->ExecuteSearch(pwszSearchFilter,
pwszAttributes,
sizeof(pwszAttributes)/sizeof(LPWSTR),
&hSearch);
if(SUCCEEDED(hr))
{
// Get the first result row. There should never be more than one match.
hr = pConfigSearch->GetFirstRow(hSearch);
if(S_OK == hr)
{
ADS_SEARCH_COLUMN col;
// Get the search result. The distinguishedName attribute will be a string.
hr = pConfigSearch->GetColumn(hSearch, pwszAttributes[0], &col);
if(SUCCEEDED(hr))
{
// col.pADsValues[0].DNString;
DWORD dwChars = lstrlenW(col.pADsValues[0].DNString) + 1;
*ppwszPartitionsDN = (LPWSTR)AllocADsMem(dwChars * sizeof(WCHAR));
if(*ppwszPartitionsDN)
{
wcsncpy_s(*ppwszPartitionsDN, col.pADsValues[0].DNString, dwChars);
}
else
{
hr = E_OUTOFMEMORY;
}
pConfigSearch->FreeColumn(&col);
}
}
else
{
hr = HRESULT_FROM_WIN32(ERROR_NOT_FOUND);
}
// Close the search handle to cleanup.
pConfigSearch->CloseSearchHandle(hSearch);
}
}
pConfigSearch->Release();
}
}
padsRootDSE->Release();
}
return hr;
}
下面的 Visual Basic Scripting Edition 代码示例通过搜索 crossRefContainer 对象的配置容器来获取分区容器的可分辨名称。
Const ADS_SECURE_AUTHENTICATION = 1
'
' GetPartitionsDNSearch
'
' Description: Gets the distinguished name of the Partitions container in
' the current enterprise forest.
'
Function GetPartitionsDNSearch()
' Bind to RootDSE.
Set oRootDSE = GetObject("LDAP://RootDSE")
Set oConn = CreateObject("ADODB.Connection")
Set oComm = CreateObject("ADODB.Command")
oConn.Provider = "ADsDSOObject"
' Set the binding options for the search.
oConn.Properties("ADSI Flag") = ADS_SECURE_AUTHENTICATION
oConn.Open
oComm.ActiveConnection = oConn
oComm.CommandText = "<LDAP://" + oRootDSE.Get("configurationNamingContext") + ">;(&(objectClass=crossRefContainer));distinguishedName;onelevel"
' WScript.Echo oComm.CommandText
' Execute the query.
Set oResults = oComm.Execute
' Get the first result. This should be the only result.
Set oField = oResults(0)
GetPartitionsDNSearch = oField.Value
End Function
以下 C/C++ 代码示例通过手动生成可分辨名称来获取分区容器的可分辨名称。
/***************************************************************************
GetPartitionsDNManual()
Description: Gets the distinguished name of the Partitions container in
the current enterprise forest.
Parameters:
ppwszPartitionsDN - Pointer to an LPWSTR that receives the distinguished
name string. The caller must free this memory with
FreeADsMem when it is no longer required.
***************************************************************************/
HRESULT GetPartitionsDNManual(LPWSTR *ppwszPartitionsDN)
{
*ppwszPartitionsDN = NULL;
HRESULT hr;
IADs *padsRootDSE;
// Bind to the RootDSE to get the configurationNamingContext property.
hr = ADsOpenObject( L"LDAP://RootDSE",
NULL,
NULL,
ADS_SECURE_AUTHENTICATION,
IID_IADs,
(LPVOID*)&padsRootDSE);
if(SUCCEEDED(hr))
{
CComVariant svar;
// Get the configurationNamingContext property.
hr = padsRootDSE->Get(CComBSTR("configurationNamingContext"), &svar);
if(SUCCEEDED(hr))
{
CComBSTR sbstrDN = "CN=Partitions,";
sbstrDN += svar.bstrVal;
DWORD dwChars = sbstrDN.Length() + 1;
*ppwszPartitionsDN = (LPWSTR)AllocADsMem(dwChars * sizeof(WCHAR));
if(*ppwszPartitionsDN)
{
wcsncpy_s(*ppwszPartitionsDN, sbstrDN.m_str, dwChars);
}
else
{
hr = E_OUTOFMEMORY;
}
}
padsRootDSE->Release();
}
return hr;
}
下面的 Visual Basic 代码示例通过手动生成可分辨名称来获取分区容器的可分辨名称。
'
' GetPartitionsDNManual
'
' Description: Gets the distinguished name of the Partitions container in
' the current enterprise forest.
'
Function GetPartitionsDNManual()
' Bind to RootDSE.
Set oRootDSE = GetObject("LDAP://RootDSE")
' Get the configurationNamingContext property.
GetPartitionsDNManual = "CN=Partitions," + oRootDSE.Get("configurationNamingContext")
End Function
以下 C# 代码示例通过搜索 crossRefContainer 对象的配置容器来获取分区容器的可分辨名称。 此示例将 C# 与 System.DirectoryServices 配合使用。
/***************************************************************************
GetPartitionsDN()
Description: Gets the distinguished name of the Partition container in
the current enterprise forest.
***************************************************************************/
static string GetPartitionsDN()
{
// Bind to the RootDSE to get the configurationNamingContext property.
DirectoryEntry RootDSE = new DirectoryEntry("LDAP://RootDSE");
DirectoryEntry ConfigContainer = new DirectoryEntry("LDAP://" +
RootDSE.Properties["configurationNamingContext"].Value);
// Search for an object that is of type crossRefContainer.
DirectorySearcher ConfigSearcher = new DirectorySearcher(ConfigContainer);
ConfigSearcher.Filter = "(&(objectClass=crossRefContainer))";
ConfigSearcher.PropertiesToLoad.Add("distinguishedName");
ConfigSearcher.SearchScope = SearchScope.OneLevel;
SearchResult result = ConfigSearcher.FindOne();
return result.Properties["distinguishedName"][0].ToString();
}
以下 Visual Basic .NET 代码示例通过搜索 crossRefContainer 对象的配置容器来获取分区容器的可分辨名称。 此示例将 Visual Basic .NET 与 System.DirectoryServices 配合使用。
'**************************************************************************
'
' GetPartitionsDN()
'
'
' Description: Gets the distinguished name of the Partitions container in
' the current enterprise forest.
'
'**************************************************************************
Function GetPartitionsDN() As String
' Bind to the RootDSE to get the configurationNamingContext property.
Dim RootDSE As New DirectoryEntry("LDAP://RootDSE")
' Bind to the Configuraiton container.
Dim Path As String = "LDAP://" + RootDSE.Properties("configurationNamingContext").Value
Dim ConfigContainer As New DirectoryEntry(Path)
' Search for an object that is of type crossRefContainer.
Dim ConfigSearcher As New DirectorySearcher(ConfigContainer)
ConfigSearcher.Filter = "(&(objectClass=crossRefContainer))"
ConfigSearcher.SearchScope = SearchScope.OneLevel
Dim result As SearchResult = ConfigSearcher.FindOne()
Return result.Properties("distinguishedName")(0).ToString()
End Function
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