private void GetDCInfo(string domain)
{
CNetlogon.LWNET_DC_INFO DCInfo;
if (String.IsNullOrEmpty(domain))
{
CNetlogon.GetCurrentDomain(out sDomain);
}
else
{
sDomain = domain;
}
uint netlogonError = CNetlogon.GetDCName(sDomain, 0, out DCInfo);
if (netlogonError == 0 && !String.IsNullOrEmpty(DCInfo.DomainControllerName))
{
sDomainController = DCInfo.DomainControllerName;
}
if (netlogonError == 0 && !String.IsNullOrEmpty(DCInfo.FullyQualifiedDomainName))
{
sDomain = DCInfo.FullyQualifiedDomainName;
}
}
public static void ReadRemoteHostFQDN(string hostname, out string hostFQDN)
{
hostFQDN = string.Empty; string domain = string.Empty;
uint error = CNetlogon.GetCurrentDomain(out domain);
if (error != 0 && String.IsNullOrEmpty(domain))
{
return;
}
string[] rootDNcom = domain.Split('.');
string rootDN = ""; string errorMessage = "";
foreach (string str in rootDNcom)
{
string temp = string.Concat("dc=", str, ",");
rootDN = string.Concat(rootDN, temp);
}
rootDN = rootDN.Substring(0, rootDN.Length - 1);
try
{
DirectoryContext dirContext = DirectoryContext.CreateDirectoryContext
(domain,
rootDN,
null,
null,
389,
false,
out errorMessage);
if (!String.IsNullOrEmpty(errorMessage))
{
Logger.ShowUserError(errorMessage);
}
if (dirContext == null)
{
return;
}
List <LdapEntry> ldapEntries = new List <LdapEntry>();
string[] attrs = { "name", "dNSHostName", null };
int ret = dirContext.ListChildEntriesSynchronous
(rootDN,
LdapAPI.LDAPSCOPE.SUB_TREE,
string.Format("(&(objectClass=computer)(cn={0}))", hostname),
attrs,
false,
out ldapEntries);
if (ldapEntries == null)
{
return;
}
LdapEntry ldapNextEntry = ldapEntries[0];
string[] attrsList = ldapNextEntry.GetAttributeNames();
Logger.Log("The number of attributes are " + attrsList.Length, Logger.ldapLogLevel);
if (attrsList != null)
{
foreach (string attr in attrsList)
{
if (attr.Trim().Equals("dNSHostName"))
{
LdapValue[] attrValues = ldapNextEntry.GetAttributeValues(attr, dirContext);
if (attrValues != null && attrValues.Length > 0)
{
hostFQDN = attrValues[0].stringData;
break;
}
}
}
}
}
catch (Exception ex)
{
hostFQDN = string.Empty;
Logger.LogException("EventAPI.ReadRemoteHostFQDN", ex);
}
}