public static string DistinguishedNameFromCanonicalName(string canonicalName)
{
return(NativeHelpers.DistinguishedNameFromCanonicalName(canonicalName, null));
}
private static bool TryDsCrackNames(string input, ExtendedNameFormat formatOffered, ExtendedNameFormat formatDesired, ADServerSettings serverSettings, out string result, out uint err)
{
if (input == null)
{
throw new ArgumentNullException("input");
}
if (formatOffered != ExtendedNameFormat.NameCanonical && formatOffered != ExtendedNameFormat.NameFullyQualifiedDN)
{
throw new ArgumentException(DirectoryStrings.ExArgumentException("formatOffered", formatOffered.ToString()), "formatOffered");
}
if (formatDesired != ExtendedNameFormat.NameCanonical && formatDesired != ExtendedNameFormat.NameFullyQualifiedDN)
{
throw new ArgumentException(DirectoryStrings.ExArgumentException("formatDesired", formatDesired.ToString()), "formatDesired");
}
result = null;
err = 0U;
SafeDsNameResultHandle safeDsNameResultHandle = null;
SafeDsBindHandle safeDsBindHandle = null;
NativeMethods.DsNameFlags dsNameFlags = NativeMethods.DsNameFlags.SyntacticalOnly;
bool result2;
try
{
if (formatOffered == ExtendedNameFormat.NameCanonical)
{
string[] array = input.Split(new char[]
{
'/'
});
if (array.Length == 0)
{
return(false);
}
if (array.Length > 1 && array[1].Length > 0)
{
dsNameFlags = NativeMethods.DsNameFlags.NoFlags;
string text = array[0];
ExTraceGlobals.ADTopologyTracer.TraceDebug <string>(0L, "Calling DsBind for domain {0}", text ?? "<null>");
if (text.Length == 0)
{
return(false);
}
string domainControllerName = null;
string distinguishedName = NativeHelpers.DistinguishedNameFromCanonicalName(text);
if (serverSettings == null)
{
serverSettings = ADSessionSettings.ExternalServerSettings;
}
if (serverSettings != null)
{
domainControllerName = serverSettings.GetPreferredDC(new ADObjectId(distinguishedName));
}
err = NativeMethods.DsBind(domainControllerName, text, out safeDsBindHandle);
if (err != 0U)
{
return(false);
}
}
}
if (safeDsBindHandle == null)
{
safeDsBindHandle = new SafeDsBindHandle();
}
ExTraceGlobals.ADTopologyTracer.TraceDebug(0L, "Calling DsCrackNames with input={0}, formatOffered={1}, formatDesired={2}, flags={3}", new object[]
{
input,
formatOffered,
formatDesired,
dsNameFlags
});
err = NativeMethods.DsCrackNames(safeDsBindHandle, dsNameFlags, formatOffered, formatDesired, 1U, new string[]
{
input
}, out safeDsNameResultHandle);
if (err != 0U)
{
result2 = false;
}
else
{
NativeMethods.DsNameResult dsNameResult = new NativeMethods.DsNameResult();
Marshal.PtrToStructure(safeDsNameResultHandle.DangerousGetHandle(), dsNameResult);
uint cItems = dsNameResult.cItems;
if (cItems < 1U)
{
result2 = false;
}
else
{
NativeMethods.DsNameResultItem dsNameResultItem = new NativeMethods.DsNameResultItem();
Marshal.PtrToStructure(dsNameResult.rItems, dsNameResultItem);
if (dsNameResultItem.status != 0)
{
err = (uint)dsNameResultItem.status;
result2 = false;
}
else if (dsNameResultItem.name == null)
{
result2 = false;
}
else
{
result = dsNameResultItem.name;
result2 = true;
}
}
}
}
finally
{
if (safeDsBindHandle != null)
{
safeDsBindHandle.Dispose();
}
if (safeDsNameResultHandle != null)
{
safeDsNameResultHandle.Dispose();
}
}
return(result2);
}