private static void HandleError(int rc, ref DCInfo dch, string domainDNS, string siteName, string flags)
{
dch.Success = false;
dch.ErrorString = "HResult: " + rc;
switch (rc)
{
case 8:
dch.ErrorString = string.Format("{0} (Not enough storage is available to process this command!)", dch.ErrorString);
break;
case 997:
dch.ErrorString = string.Format("{0} (No DC in domain: {1}, site: {2} answered!)", dch.ErrorString, Convert.ToString(domainDNS), Convert.ToString(siteName));
break;
case 1004:
dch.ErrorString = string.Format("{0} (Invalid flags: {1}!", dch.ErrorString, flags);
break;
case 1211:
dch.ErrorString = string.Format("{0} (The format of the specified domain name is invalid: {1}!)", dch.ErrorString, Convert.ToString(domainDNS));
break;
case 1355:
dch.ErrorString = string.Format("{0} (The specified domain either does not exist or could not be contacted: {1}!)", dch.ErrorString, Convert.ToString(domainDNS));
break;
default:
dch.ErrorString = string.Format("{0} (Unknown error!)", dch.ErrorString);
break;
}
}
public static DCInfo DsGetPDCName(string domainDNS)
{
DCInfo scRet = new DCInfo();
scRet = DsGetDCName(domainDNS, null, NetApi32.DS_FLAGS.DS_FORCE_REDISCOVERY | NetApi32.DS_FLAGS.DS_DIRECTORY_SERVICE_REQUIRED | NetApi32.DS_FLAGS.DS_RETURN_DNS_NAME | NetApi32.DS_FLAGS.DS_WRITABLE_REQUIRED | NetApi32.DS_FLAGS.DS_PDC_REQUIRED);
return(scRet);
}
public static DCInfo DsGetClostesGCName(string domainDNS)
{
DCInfo scRet = new DCInfo();
scRet = DsGetDCName(domainDNS, null, NetApi32.DS_FLAGS.DS_FORCE_REDISCOVERY | NetApi32.DS_FLAGS.DS_DIRECTORY_SERVICE_REQUIRED | NetApi32.DS_FLAGS.DS_RETURN_DNS_NAME | NetApi32.DS_FLAGS.DS_TRY_NEXTCLOSEST_SITE | NetApi32.DS_FLAGS.DS_GC_SERVER_REQUIRED);
return(scRet);
}
public static DCInfo DsGetCachedWDCName(string domainDNS)
{
DCInfo scRet = new DCInfo();
scRet = DsGetDCName(domainDNS, null, NetApi32.DS_FLAGS.DS_BACKGROUND_ONLY | NetApi32.DS_FLAGS.DS_DIRECTORY_SERVICE_REQUIRED | NetApi32.DS_FLAGS.DS_RETURN_DNS_NAME | NetApi32.DS_FLAGS.DS_WRITABLE_REQUIRED);
return(scRet);
}
public static DCInfo DsGetDCName(string domainDNS, string siteName, NetApi32.DS_FLAGS flags)
{
DCInfo ret = new DCInfo()
{
Success = false
};
int iret = -1;
IntPtr ipinfo = IntPtr.Zero;
NetApi32.DOMAIN_CONTROLLER_INFO stcinfo = default(NetApi32.DOMAIN_CONTROLLER_INFO);
if (domainDNS == null)
{
domainDNS = String.Empty;
}
try
{ iret = NetApi32.DsGetDcName(null, domainDNS, new Guid(), siteName, flags, ref ipinfo); }
catch (Win32Exception Win32Ex)
{ ret.ErrorString = Win32Ex.ErrorCode + " (Win32: " + Win32Ex.Message + ")"; }
catch (Exception ex)
{ ret.ErrorString = ex.Message; }
if (iret == 0)
{
ret.Success = true;
stcinfo = (NetApi32.DOMAIN_CONTROLLER_INFO)Marshal.PtrToStructure(ipinfo, typeof(NetApi32.DOMAIN_CONTROLLER_INFO));
NetApi32.NetApiBufferFree(ipinfo);
ReturnDCINFO(stcinfo, ref ret);
}
else
{
HandleError(iret, ref ret, domainDNS, siteName, flags.ToString());
}
return(ret);
}
private static void ReturnDCINFO(NetApi32.DOMAIN_CONTROLLER_INFO DomainInfo, ref DCInfo dc)
{
dc.DCName = DomainInfo.DomainControllerName.Replace("\\\\", null);
dc.DCAddress = DomainInfo.DomainControllerAddress.Replace("\\\\", null);
if (DomainInfo.DomainControllerAddressType == 1)
{
dc.IsIPAddress = true;
}
else
{
dc.IsNetBIOSAddress = true;
}
dc.DomainName = DomainInfo.DomainName;
dc.DomainGUID = DomainInfo.DomainGuid;
dc.DNSForestname = DomainInfo.DnsForestName;
dc.DCSiteName = DomainInfo.DcSiteName;
dc.ClientSiteName = DomainInfo.ClientSiteName;
dc.IsPDC = Convert.ToBoolean(DomainInfo.Flags & NetApi32.DS_RETURNED_FLAGS.DS_PDC_FLAG);
dc.IsGC = Convert.ToBoolean(DomainInfo.Flags & NetApi32.DS_RETURNED_FLAGS.DS_GC_FLAG);
dc.IsLDAPServer = Convert.ToBoolean(DomainInfo.Flags & NetApi32.DS_RETURNED_FLAGS.DS_LDAP_FLAG);
dc.IsDC = Convert.ToBoolean(DomainInfo.Flags & NetApi32.DS_RETURNED_FLAGS.DS_DS_FLAG);
dc.IsKDC = Convert.ToBoolean(DomainInfo.Flags & NetApi32.DS_RETURNED_FLAGS.DS_KDC_FLAG);
dc.IsTimerServer = Convert.ToBoolean(DomainInfo.Flags & NetApi32.DS_RETURNED_FLAGS.DS_TIMESERV_FLAG);
dc.IsInClosestSite = Convert.ToBoolean(DomainInfo.Flags & NetApi32.DS_RETURNED_FLAGS.DS_CLOSEST_FLAG);
dc.IsWritable = Convert.ToBoolean(DomainInfo.Flags & NetApi32.DS_RETURNED_FLAGS.DS_WRITABLE_FLAG);
dc.IsGoodTimerServer = Convert.ToBoolean(DomainInfo.Flags & NetApi32.DS_RETURNED_FLAGS.DS_GOOD_TIMESERV_FLAG);
dc.IsNonDomainNC = Convert.ToBoolean(DomainInfo.Flags & NetApi32.DS_RETURNED_FLAGS.DS_NDNC_FLAG);
dc.HasSelectedSecrets = Convert.ToBoolean(DomainInfo.Flags & NetApi32.DS_RETURNED_FLAGS.DS_SELECT_SECRET_DOMAIN_6_FLAG);
dc.HasAllSecrets = Convert.ToBoolean(DomainInfo.Flags & NetApi32.DS_RETURNED_FLAGS.DS_FULL_SECRET_DOMAIN_6_FLAG);
dc.HasWebService = Convert.ToBoolean(DomainInfo.Flags & NetApi32.DS_RETURNED_FLAGS.DS_WS_FLAG);
dc.IsDirectoryService2012 = Convert.ToBoolean(DomainInfo.Flags & NetApi32.DS_RETURNED_FLAGS.DS_DS_8_FLAG);
dc.IsDirectoryService2012R2 = Convert.ToBoolean(DomainInfo.Flags & NetApi32.DS_RETURNED_FLAGS.DS_DS_9_FLAG);
//dc.FromPing = CBool(DomainInfo.Flags And NetApi32.DS_RETURNED_FLAGS.DS_PING_FLAG)
dc.DCIsDNSName = Convert.ToBoolean(DomainInfo.Flags & NetApi32.DS_RETURNED_FLAGS.DS_DNS_CONTROLLER_FLAG);
dc.DomainIsDNSName = Convert.ToBoolean(DomainInfo.Flags & NetApi32.DS_RETURNED_FLAGS.DS_DNS_DOMAIN_FLAG);
//dc.ForestIsDNSName = Convert.ToBoolean(DomainInfo.Flags & NetApi32.DS_RETURNED_FLAGS.DS_DNS_FOREST_FLAG);
dc.NCInfo = new NamingContextsInfo(dc.DCName);
}
public static DCInfo DsGetSiteWDCName(string callInfo)
{
DCInfo scRet = new DCInfo();
string domainDNS = null;
string SiteName = null;
if (callInfo.IndexOf(" ") > 0)
{
SiteName = callInfo.Split(Convert.ToChar(" "))[0];
domainDNS = callInfo.Split(Convert.ToChar(" "))[1];
}
else
{
SiteName = callInfo;
}
scRet = DsGetDCName(domainDNS, SiteName, NetApi32.DS_FLAGS.DS_FORCE_REDISCOVERY | NetApi32.DS_FLAGS.DS_FORCE_REDISCOVERY | NetApi32.DS_FLAGS.DS_DIRECTORY_SERVICE_REQUIRED | NetApi32.DS_FLAGS.DS_RETURN_DNS_NAME | NetApi32.DS_FLAGS.DS_WRITABLE_REQUIRED);
return(scRet);
}