public Dictionary <string, string> SubNCsToDCs(string nc, string currentDC)
{
Dictionary <string, string> ret = new Dictionary <string, string>(StringComparer.InvariantCultureIgnoreCase)
{
};
Dictionary <string, DomainControllerHelper> temp = new Dictionary <string, DomainControllerHelper>(ForestBase.DCList);
foreach (DomainControllerHelper dc in temp.Values)
{
if (!dc.UDPPingSuccess)
{
DomainControllerHelper tempdc = DomainControllerHelper.UDPPing(dc.Name);
StoreDC(tempdc, tempdc.DefaultNamingContext);
}
}
foreach (KeyValuePair <string, List <string> > ncinfo in ForestBase.NCsToDCs.Where(n => n.Key.ToLowerInvariant().EndsWith(nc.ToLowerInvariant())))
{
if (ncinfo.Value.Contains(currentDC))
{
ret.AddSafe(ncinfo.Key, currentDC);
}
else
{
ret.AddSafe(ncinfo.Key, ncinfo.Value[0]);
}
}
return(ret);
}
public static List <DomainControllerHelper> DnsGetDCs(string domainDNS, string siteName, string forestName, NetApi32.DS_OPEN_FLAGS flags, NetApi32.DS_OPTION_FLAGS siteOptions, bool doUdpPing = false)
{
List <DomainControllerHelper> ret = new List <DomainControllerHelper> {
};
DomainControllerHelper errdc = new DomainControllerHelper()
{
Success = false
};
int iret = -1;
IntPtr iphandle = IntPtr.Zero;
try
{
if (domainDNS == null)
{
domainDNS = Environment.ExpandEnvironmentVariables("%USERDNSDOMAIN%");
}
iret = NetApi32.DsGetDcOpen(domainDNS, siteOptions, siteName, IntPtr.Zero, forestName, flags, out iphandle);
}
catch (Win32Exception Win32Ex)
{ errdc.ErrorString = Win32Ex.ErrorCode + " (Win32: " + Win32Ex.Message + ")"; }
catch (Exception ex)
{ errdc.ErrorString = ex.Message; }
if (iret == 0)
{
string dnsName = null;
IntPtr socketcnt = IntPtr.Zero;
IntPtr sockets = IntPtr.Zero;
while ((iret == (int)NetApi32.ERROR_LIST.ERROR_SUCCESS) || (iret == (int)NetApi32.ERROR_LIST.ERROR_FILEMARK_DETECTED))
{
errdc = new DomainControllerHelper()
{
Success = false
};
try
{ iret = NetApi32.DsGetDcNext(iphandle, ref socketcnt, out sockets, out dnsName); }
catch (Win32Exception Win32Ex)
{ errdc.ErrorString = Win32Ex.ErrorCode + " (Win32: " + Win32Ex.Message + ")"; }
catch (Exception ex)
{ errdc.ErrorString = ex.Message; }
if ((iret == (int)NetApi32.ERROR_LIST.ERROR_SUCCESS) || (iret == (int)NetApi32.ERROR_LIST.ERROR_FILEMARK_DETECTED))
{
if (doUdpPing)
{
DateTime start = DateTime.Now;
GlobalEventHandler.RaiseMessageOccured(String.Format("UDPPing against {0} ({1})", dnsName, domainDNS));
ret.Add(DomainControllerHelper.UDPPing(dnsName));
double dur = DateTime.Now.Subtract(start).TotalMilliseconds;
GlobalEventHandler.RaiseMessageOccured(String.Format("UDPPing {0} in {1} ms", dnsName, dur.ToString()));
}
else
{
ret.Add(new DomainControllerHelper(domainDNS, dnsName));
}
}
else
{
if (ret.Count == 0)
{
HandleError(iret, ref errdc, domainDNS, siteName, flags.ToString());
ret.Add(errdc);
}
}
}
}
else
{
if (ret.Count == 0)
{
HandleError(iret, ref errdc, domainDNS, siteName, flags.ToString());
ret.Add(errdc);
}
}
if (iphandle != IntPtr.Zero)
{
NetApi32.DsGetDcClose(iphandle);
}
return(ret);
}