private static int TryBind(string server, string domain, SafeDsCredentialsHandle credentials, out SafeDsHandle handle)
{
if (credentials != null)
{
return(NativeMethods.DsBindWithCred(server, domain, credentials, out handle));
}
return(NativeMethods.DsBind(server, domain, out handle));
}
public string CanonicalToDistinguishedName(string cn)
{
using (SafeDsCredentialsHandle cred = MakeCredentials())
{
using (SafeDsHandle handle = Bind(cred))
{
DsNameResultItem[] items = CrackNames(
handle,
DsNameFlags.None,
DsNameFormat.CanonicalName,
DsNameFormat.DistinguishedName,
new string[] { cn });
foreach (DsNameResultItem item in items)
{
return(item.pName);
}
}
}
return(null);
}
private static SafeDsHandle Bind(string server, string domain, SafeDsCredentialsHandle credentials)
{
SafeDsHandle handle;
int retval = TryBind(server, domain, credentials, out handle);
if (retval == NativeMethods.ERROR_INVALID_PARAMETER)
{
// HACK: you must specify port number for AD LDS instances, but you MUST NOT
// specify it when connecting to AD DS domain
int colon = server.LastIndexOf(':');
if (colon > -1)
{
server = server.Substring(0, colon);
}
retval = TryBind(server, domain, credentials, out handle);
}
NativeMethods.EnforceSuccess(retval);
return(handle);
}
private SafeDsHandle Bind(SafeDsCredentialsHandle credential)
{
return(Bind(_serverName, _domainName, credential));
}
