public static DirectoryEntry FindByName(string searchBase, string name, string user, string pass, SearchScope scope)
{
var search = searchBase.StartsWith("LDAP://") ? searchBase : $"LDAP://{searchBase}";
IDirectorySearch ds = GetDirectorySearcher(search);
IntPtr searchHandle = IntPtr.Zero;
int hr = ds.ExecuteSearch($"(sAMAccountName={name})", _adProperties.ToArray(), _adProperties.Count, out searchHandle);
if (Failed(hr))
{
throw ComException.BuildComException(hr, ds);
}
hr = ds.GetFirstRow(searchHandle);
var de = new DirectoryEntry();
foreach (var obj in _adProperties)
{
de.Add(obj, de.GetValue(ds, searchHandle, obj));
}
return(de);
}
private byte[] GetValueByteArray(IDirectorySearch search, IntPtr searchHandle, string columnName)
{
IntPtr name = Marshal.StringToCoTaskMemUni(columnName);
IntPtr column = Marshal.AllocHGlobal(Marshal.SizeOf <ADS_SEARCH_COLUMN>());
search.GetColumn(searchHandle, name, column);
Marshal.FreeCoTaskMem(name);
var col = (ADS_SEARCH_COLUMN)Marshal.PtrToStructure <ADS_SEARCH_COLUMN>(column);
ADSVALUE value = Marshal.PtrToStructure <ADSVALUE>(col.pADsValues);
Marshal.FreeHGlobal(column);
return((byte[])new AdsValueHelper(value).GetValue());
}
private List <string> GetValues(IDirectorySearch search, IntPtr searchHandle, string columnName)
{
IntPtr name = Marshal.StringToCoTaskMemUni(columnName);
IntPtr column = Marshal.AllocHGlobal(Marshal.SizeOf <ADS_SEARCH_COLUMN>());
search.GetColumn(searchHandle, name, column);
Marshal.FreeCoTaskMem(name);
var col = Marshal.PtrToStructure <ADS_SEARCH_COLUMN>(column);
IntPtr placeholder = col.pADsValues;
var retVal = new List <string>();
for (int i = 0; i < col.dwNumValues; i++)
{
ADSVALUE value = Marshal.PtrToStructure <ADSVALUE>(placeholder);
retVal.Add(Marshal.PtrToStringUni(value.pointer));
placeholder = IntPtr.Add(placeholder, Marshal.SizeOf <ADSVALUE>());
}
Marshal.FreeHGlobal(column);
return(retVal);
}
public DirectoryEntry(string dn)
{
_properties["distinguishedName"] = dn;
IDirectorySearch ds = GetDirectorySearcher($"LDAP://{_properties["distinguishedName"].ToString()}");
IntPtr searchHandle = IntPtr.Zero;
int hr = ds.ExecuteSearch("(objectClass=*)", _adProperties.ToArray(), _adProperties.Count, out searchHandle);
if (Failed(hr))
{
throw ComException.BuildComException(hr, ds);
}
hr = ds.GetFirstRow(searchHandle);
foreach (var obj in _adProperties)
{
_properties[obj] = GetValue(ds, searchHandle, obj);
}
}
public void Find(string filter, string[] properties, SearchScope scope, int pageSize, int size)
{
var adProperties = new List <string>(properties);
if (!adProperties.Contains("ADsPath"))
{
adProperties.Add("ADsPath");
}
if (!adProperties.Contains("distinguishedName"))
{
adProperties.Add("distinguishedName");
}
IDirectorySearch ds = GetDirectorySearcher($"LDAP://{_properties["distinguishedName"].ToString()}");
var options = new List <ADS_SEARCHPREF_INFO>();
if (scope != SearchScope.None)
{
options.Add(new ADS_SEARCHPREF_INFO {
dwSearchPref = ADS_SEARCHPREF.ADS_SEARCHPREF_SEARCH_SCOPE,
dwStatus = ADS_STATUS.ADS_STATUS_NONE,
vValue = new AdsValueHelper(ADS_SCOPE.ADS_SCOPE_SUBTREE, ADSTYPE.ADSTYPE_INTEGER).GetStruct()
});
}
if (pageSize != 0)
{
options.Add(new ADS_SEARCHPREF_INFO {
dwSearchPref = ADS_SEARCHPREF.ADS_SEARCHPREF_PAGESIZE,
dwStatus = ADS_STATUS.ADS_STATUS_NONE,
vValue = new AdsValueHelper(pageSize, ADSTYPE.ADSTYPE_INTEGER).GetStruct()
});
}
if (size != 1000)
{
options.Add(new ADS_SEARCHPREF_INFO {
dwSearchPref = ADS_SEARCHPREF.ADS_SEARCHPREF_SIZE_LIMIT,
dwStatus = ADS_STATUS.ADS_STATUS_NONE,
vValue = new AdsValueHelper(size, ADSTYPE.ADSTYPE_INTEGER).GetStruct()
});
}
var optSize = Marshal.SizeOf <ADS_SEARCHPREF_INFO>();
var optCount = options.Count;
IntPtr ptrSearchPref = Marshal.AllocHGlobal((IntPtr)(optSize * optCount));
IntPtr placeholder = ptrSearchPref;
for (int i = 0; i < optCount; i++)
{
Marshal.StructureToPtr(options[i], placeholder, false);
placeholder = IntPtr.Add(placeholder, optSize);
}
int hr = ds.SetSearchPreference(ptrSearchPref, optCount);
if (Failed(hr))
{
Marshal.FreeHGlobal(ptrSearchPref);
throw ComException.BuildComException(hr, ds);
}
placeholder = ptrSearchPref;
options.Clear();
for (int i = 0; i < optCount; i++)
{
var opt = Marshal.PtrToStructure <ADS_SEARCHPREF_INFO>(placeholder);
placeholder = IntPtr.Add(placeholder, optSize);
if (opt.dwStatus == ADS_STATUS.ADS_STATUS_INVALID_SEARCHPREF)
{
Marshal.FreeHGlobal(ptrSearchPref);
throw new Exception("Invalid search preference specified.");
}
if (opt.dwStatus == ADS_STATUS.ADS_STATUS_INVALID_SEARCHPREFVALUE)
{
Marshal.FreeHGlobal(ptrSearchPref);
throw new Exception("Invalid search preference value specified.");
}
}
Marshal.FreeHGlobal(ptrSearchPref);
IntPtr searchHandle = IntPtr.Zero;
hr = ds.ExecuteSearch(filter, adProperties.ToArray(), adProperties.Count, out searchHandle);
if (Failed(hr))
{
throw ComException.BuildComException(hr, ds);
}
var ret = 0;
var lastError = 0;
while ((ret = ds.GetNextRow(searchHandle)) != S_ADS_NOMORE_ROWS)
{
if (lastError == SIZE_LIMIT_EXCEEDED && ret == SIZE_LIMIT_EXCEEDED)
{
break;
}
lastError = ret;
if (ret != SIZE_LIMIT_EXCEEDED)
{
DirectoryEntry de = new DirectoryEntry(GetValueString(ds, searchHandle, "distinguishedName"));
foreach (var obj in adProperties)
{
de[obj] = GetValue(ds, searchHandle, obj);
}
Children.Add(de);
}
}
}
private static void PreserveSigBasedOnMetadata()
{
IDirectorySearch ds = null !;
HRESULT hr = ds.GetNextRow(0);
}
