internal static new GlobalCatalog FindOneInternal(DirectoryContext context, string forestName, string siteName, LocatorOptions flag)
{
DomainControllerInfo domainControllerInfo;
int errorCode = 0;
if (siteName != null && siteName.Length == 0)
{
throw new ArgumentException(SR.EmptyStringParameter, nameof(siteName));
}
// check that the flags passed have only the valid bits set
if (((long)flag & (~((long)LocatorOptions.AvoidSelf | (long)LocatorOptions.ForceRediscovery | (long)LocatorOptions.KdcRequired | (long)LocatorOptions.TimeServerRequired | (long)LocatorOptions.WriteableRequired))) != 0)
{
throw new ArgumentException(SR.InvalidFlags, nameof(flag));
}
if (forestName == null)
{
// get the dns name of the logged on forest
DomainControllerInfo tempDomainControllerInfo;
int error = Locator.DsGetDcNameWrapper(null, DirectoryContext.GetLoggedOnDomain(), null, (long)PrivateLocatorFlags.DirectoryServicesRequired, out tempDomainControllerInfo);
if (error == NativeMethods.ERROR_NO_SUCH_DOMAIN)
{
// throw not found exception
throw new ActiveDirectoryObjectNotFoundException(SR.ContextNotAssociatedWithDomain, typeof(GlobalCatalog), null);
}
else if (error != 0)
{
throw ExceptionHelper.GetExceptionFromErrorCode(errorCode);
}
Debug.Assert(tempDomainControllerInfo.DnsForestName != null);
forestName = tempDomainControllerInfo.DnsForestName;
}
// call DsGetDcName
errorCode = Locator.DsGetDcNameWrapper(null, forestName, siteName, (long)flag | (long)(PrivateLocatorFlags.GCRequired | PrivateLocatorFlags.DirectoryServicesRequired), out domainControllerInfo);
if (errorCode == NativeMethods.ERROR_NO_SUCH_DOMAIN)
{
throw new ActiveDirectoryObjectNotFoundException(SR.Format(SR.GCNotFoundInForest, forestName), typeof(GlobalCatalog), null);
}
// this can only occur when flag is being explicitly passed (since the flags that we pass internally are valid)
if (errorCode == NativeMethods.ERROR_INVALID_FLAGS)
{
throw new ArgumentException(SR.InvalidFlags, nameof(flag));
}
else if (errorCode != 0)
{
throw ExceptionHelper.GetExceptionFromErrorCode(errorCode);
}
// create a GlobalCatalog object
// the name is returned in the form "\\servername", so skip the "\\"
Debug.Assert(domainControllerInfo.DomainControllerName.Length > 2);
string globalCatalogName = domainControllerInfo.DomainControllerName.Substring(2);
// create a new context object for the global catalog
DirectoryContext gcContext = Utils.GetNewDirectoryContext(globalCatalogName, DirectoryContextType.DirectoryServer, context);
return(new GlobalCatalog(gcContext, globalCatalogName));
}
internal static bool IsContextValid(DirectoryContext context, DirectoryContextType contextType)
{
bool contextIsValid = false;
if ((contextType == DirectoryContextType.Domain) || ((contextType == DirectoryContextType.Forest) && (context.Name == null)))
{
string tmpTarget = context.Name;
if (tmpTarget == null)
{
// GetLoggedOnDomain returns the dns name of the logged on user's domain
context.serverName = GetLoggedOnDomain();
contextIsValid = true;
}
else
{
// check for domain
int errorCode = 0;
DomainControllerInfo domainControllerInfo;
errorCode = Locator.DsGetDcNameWrapper(null, tmpTarget, null, (long)PrivateLocatorFlags.DirectoryServicesRequired, out domainControllerInfo);
if (errorCode == NativeMethods.ERROR_NO_SUCH_DOMAIN)
{
// try with force rediscovery
errorCode = Locator.DsGetDcNameWrapper(null, tmpTarget, null, (long)PrivateLocatorFlags.DirectoryServicesRequired | (long)LocatorOptions.ForceRediscovery, out domainControllerInfo);
if (errorCode == NativeMethods.ERROR_NO_SUCH_DOMAIN)
{
contextIsValid = false;
}
else if (errorCode != 0)
{
throw ExceptionHelper.GetExceptionFromErrorCode(errorCode);
}
else
{
Debug.Assert(domainControllerInfo != null);
Debug.Assert(domainControllerInfo.DomainName != null);
context.serverName = domainControllerInfo.DomainName;
contextIsValid = true;
}
}
else if (errorCode == NativeMethods.ERROR_INVALID_DOMAIN_NAME_FORMAT)
{
// we can get this error if the target it server:port (not a valid domain)
contextIsValid = false;
}
else if (errorCode != 0)
{
throw ExceptionHelper.GetExceptionFromErrorCode(errorCode);
}
else
{
Debug.Assert(domainControllerInfo != null);
Debug.Assert(domainControllerInfo.DomainName != null);
context.serverName = domainControllerInfo.DomainName;
contextIsValid = true;
}
}
}
else if (contextType == DirectoryContextType.Forest)
{
Debug.Assert(context.Name != null);
// check for forest
int errorCode = 0;
DomainControllerInfo domainControllerInfo;
errorCode = Locator.DsGetDcNameWrapper(null, context.Name, null, (long)(PrivateLocatorFlags.GCRequired | PrivateLocatorFlags.DirectoryServicesRequired), out domainControllerInfo);
if (errorCode == NativeMethods.ERROR_NO_SUCH_DOMAIN)
{
// try with force rediscovery
errorCode = Locator.DsGetDcNameWrapper(null, context.Name, null, (long)((PrivateLocatorFlags.GCRequired | PrivateLocatorFlags.DirectoryServicesRequired)) | (long)LocatorOptions.ForceRediscovery, out domainControllerInfo);
if (errorCode == NativeMethods.ERROR_NO_SUCH_DOMAIN)
{
contextIsValid = false;
}
else if (errorCode != 0)
{
throw ExceptionHelper.GetExceptionFromErrorCode(errorCode);
}
else
{
Debug.Assert(domainControllerInfo != null);
Debug.Assert(domainControllerInfo.DnsForestName != null);
context.serverName = domainControllerInfo.DnsForestName;
contextIsValid = true;
}
}
else if (errorCode == NativeMethods.ERROR_INVALID_DOMAIN_NAME_FORMAT)
{
// we can get this error if the target it server:port (not a valid forest)
contextIsValid = false;
}
else if (errorCode != 0)
{
throw ExceptionHelper.GetExceptionFromErrorCode(errorCode);
}
else
{
Debug.Assert(domainControllerInfo != null);
Debug.Assert(domainControllerInfo.DnsForestName != null);
context.serverName = domainControllerInfo.DnsForestName;
contextIsValid = true;
}
}
else if (contextType == DirectoryContextType.ApplicationPartition)
{
Debug.Assert(context.Name != null);
// check for application partition
int errorCode = 0;
DomainControllerInfo domainControllerInfo;
errorCode = Locator.DsGetDcNameWrapper(null, context.Name, null, (long)PrivateLocatorFlags.OnlyLDAPNeeded, out domainControllerInfo);
if (errorCode == NativeMethods.ERROR_NO_SUCH_DOMAIN)
{
// try with force rediscovery
errorCode = Locator.DsGetDcNameWrapper(null, context.Name, null, (long)PrivateLocatorFlags.OnlyLDAPNeeded | (long)LocatorOptions.ForceRediscovery, out domainControllerInfo);
if (errorCode == NativeMethods.ERROR_NO_SUCH_DOMAIN)
{
contextIsValid = false;
}
else if (errorCode != 0)
{
throw ExceptionHelper.GetExceptionFromErrorCode(errorCode);
}
else
{
contextIsValid = true;
}
}
else if (errorCode == NativeMethods.ERROR_INVALID_DOMAIN_NAME_FORMAT)
{
// we can get this error if the target it server:port (not a valid application partition)
contextIsValid = false;
}
else if (errorCode != 0)
{
throw ExceptionHelper.GetExceptionFromErrorCode(errorCode);
}
else
{
contextIsValid = true;
}
}
else if (contextType == DirectoryContextType.DirectoryServer)
{
//
// if the servername contains a port number, then remove that
//
string tempServerName = null;
string portNumber;
tempServerName = Utils.SplitServerNameAndPortNumber(context.Name, out portNumber);
//
// this will validate that the name specified in the context is truely the name of a machine (and not of a domain)
//
DirectoryEntry de = new DirectoryEntry("WinNT://" + tempServerName + ",computer", context.UserName, context.Password, Utils.DefaultAuthType);
try
{
de.Bind(true);
contextIsValid = true;
}
catch (COMException e)
{
if ((e.ErrorCode == unchecked ((int)0x80070035)) || (e.ErrorCode == unchecked ((int)0x80070033)) || (e.ErrorCode == unchecked ((int)0x80005000)))
{
// if this returns bad network path
contextIsValid = false;
}
else
{
throw ExceptionHelper.GetExceptionFromCOMException(context, e);
}
}
finally
{
de.Dispose();
}
}
else
{
// no special validation for ConfigurationSet
contextIsValid = true;
}
return(contextIsValid);
}