internal void SyncReplicaHelper(IntPtr dsHandle, bool isADAM, string partition, string sourceServer, int option, LoadLibrarySafeHandle libHandle)
{
int structSize = Marshal.SizeOf(typeof(Guid));
IntPtr unmanagedGuid = (IntPtr)0;
Guid guid = Guid.Empty;
AdamInstance adamServer = null;
DomainController dcServer = null;
unmanagedGuid = Marshal.AllocHGlobal(structSize);
try
{
if (sourceServer != null)
{
DirectoryContext newContext = Utils.GetNewDirectoryContext(sourceServer, DirectoryContextType.DirectoryServer, context);
if (isADAM)
{
adamServer = AdamInstance.GetAdamInstance(newContext);
guid = adamServer.NtdsaObjectGuid;
}
else
{
dcServer = DomainController.GetDomainController(newContext);
guid = dcServer.NtdsaObjectGuid;
}
Marshal.StructureToPtr(guid, unmanagedGuid, false);
}
// call DsReplicaSyncW
IntPtr functionPtr = UnsafeNativeMethods.GetProcAddress(libHandle, "DsReplicaSyncW");
if (functionPtr == (IntPtr)0)
{
throw ExceptionHelper.GetExceptionFromErrorCode(Marshal.GetLastWin32Error());
}
UnsafeNativeMethods.DsReplicaSyncW dsReplicaSyncW = (UnsafeNativeMethods.DsReplicaSyncW)Marshal.GetDelegateForFunctionPointer(functionPtr, typeof(UnsafeNativeMethods.DsReplicaSyncW));
int result = dsReplicaSyncW(dsHandle, partition, unmanagedGuid, (int)option);
// check the result
if (result != 0)
{
if (!Partitions.Contains(partition))
{
throw new ArgumentException(SR.ServerNotAReplica, nameof(partition));
}
string serverDownName = null;
// this is the error returned when the server that we want to sync from is down
if (result == ExceptionHelper.RPC_S_SERVER_UNAVAILABLE)
{
serverDownName = sourceServer;
}
// this is the error returned when the server that we want to get synced is down
else if (result == ExceptionHelper.RPC_S_CALL_FAILED)
{
serverDownName = Name;
}
throw ExceptionHelper.GetExceptionFromErrorCode(result, serverDownName);
}
}
finally
{
if (unmanagedGuid != (IntPtr)0)
{
Marshal.FreeHGlobal(unmanagedGuid);
}
if (adamServer != null)
{
adamServer.Dispose();
}
if (dcServer != null)
{
dcServer.Dispose();
}
}
}
internal static void UpdateTrustDirection(DirectoryContext context, string? sourceName, string? targetName, string password, bool isForest, TrustDirection newTrustDirection)
{
PolicySafeHandle? handle = null;
IntPtr buffer = (IntPtr)0;
LSA_UNICODE_STRING? trustedDomainName = null;
IntPtr newBuffer = (IntPtr)0;
bool impersonated = false;
LSA_AUTH_INFORMATION? AuthData = null;
IntPtr fileTime = (IntPtr)0;
IntPtr unmanagedPassword = (IntPtr)0;
IntPtr unmanagedAuthData = (IntPtr)0;
TRUSTED_DOMAIN_AUTH_INFORMATION? AuthInfoEx = null;
IntPtr target = (IntPtr)0;
string? serverName = null;
serverName = Utils.GetPolicyServerName(context, isForest, false, sourceName);
impersonated = Utils.Impersonate(context);
try
{
try
{
// get the policy handle first
handle = new PolicySafeHandle(Utils.GetPolicyHandle(serverName));
// get the target name
trustedDomainName = new LSA_UNICODE_STRING();
target = Marshal.StringToHGlobalUni(targetName);
UnsafeNativeMethods.RtlInitUnicodeString(trustedDomainName, target);
// get the trusted domain information
int result = UnsafeNativeMethods.LsaQueryTrustedDomainInfoByName(handle, trustedDomainName, TRUSTED_INFORMATION_CLASS.TrustedDomainFullInformation, ref buffer);
if (result != 0)
{
int win32Error = UnsafeNativeMethods.LsaNtStatusToWinError(result);
// 2 ERROR_FILE_NOT_FOUND <--> 0xc0000034 STATUS_OBJECT_NAME_NOT_FOUND
if (win32Error == STATUS_OBJECT_NAME_NOT_FOUND)
{
if (isForest)
throw new ActiveDirectoryObjectNotFoundException(SR.Format(SR.ForestTrustDoesNotExist, sourceName, targetName), typeof(ForestTrustRelationshipInformation), null);
else
throw new ActiveDirectoryObjectNotFoundException(SR.Format(SR.DomainTrustDoesNotExist, sourceName, targetName), typeof(TrustRelationshipInformation), null);
}
else
throw ExceptionHelper.GetExceptionFromErrorCode(win32Error, serverName);
}
// get the managed structre representation
TRUSTED_DOMAIN_FULL_INFORMATION domainInfo = new TRUSTED_DOMAIN_FULL_INFORMATION();
Marshal.PtrToStructure(buffer, domainInfo);
// validate the trust attribute first
ValidateTrustAttribute(domainInfo.Information!, isForest, sourceName, targetName);
// change the attribute value properly
AuthData = new LSA_AUTH_INFORMATION();
fileTime = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(FileTime)));
UnsafeNativeMethods.GetSystemTimeAsFileTime(fileTime);
// set the time
FileTime tmp = new FileTime();
Marshal.PtrToStructure(fileTime, tmp);
AuthData.LastUpdateTime = new LARGE_INTEGER();
AuthData.LastUpdateTime.lowPart = tmp.lower;
AuthData.LastUpdateTime.highPart = tmp.higher;
AuthData.AuthType = TRUST_AUTH_TYPE_CLEAR;
unmanagedPassword = Marshal.StringToHGlobalUni(password);
AuthData.AuthInfo = unmanagedPassword;
AuthData.AuthInfoLength = password.Length * 2;
unmanagedAuthData = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(LSA_AUTH_INFORMATION)));
Marshal.StructureToPtr(AuthData, unmanagedAuthData, false);
AuthInfoEx = new TRUSTED_DOMAIN_AUTH_INFORMATION();
if ((newTrustDirection & TrustDirection.Inbound) != 0)
{
AuthInfoEx.IncomingAuthInfos = 1;
AuthInfoEx.IncomingAuthenticationInformation = unmanagedAuthData;
AuthInfoEx.IncomingPreviousAuthenticationInformation = (IntPtr)0;
}
else
{
AuthInfoEx.IncomingAuthInfos = 0;
AuthInfoEx.IncomingAuthenticationInformation = (IntPtr)0;
AuthInfoEx.IncomingPreviousAuthenticationInformation = (IntPtr)0;
}
if ((newTrustDirection & TrustDirection.Outbound) != 0)
{
AuthInfoEx.OutgoingAuthInfos = 1;
AuthInfoEx.OutgoingAuthenticationInformation = unmanagedAuthData;
AuthInfoEx.OutgoingPreviousAuthenticationInformation = (IntPtr)0;
}
else
{
AuthInfoEx.OutgoingAuthInfos = 0;
AuthInfoEx.OutgoingAuthenticationInformation = (IntPtr)0;
AuthInfoEx.OutgoingPreviousAuthenticationInformation = (IntPtr)0;
}
// reconstruct the unmanaged structure to set it back
domainInfo.AuthInformation = AuthInfoEx;
// reset the trust direction
domainInfo.Information!.TrustDirection = (int)newTrustDirection;
newBuffer = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(TRUSTED_DOMAIN_FULL_INFORMATION)));
Marshal.StructureToPtr(domainInfo, newBuffer, false);
result = UnsafeNativeMethods.LsaSetTrustedDomainInfoByName(handle, trustedDomainName, TRUSTED_INFORMATION_CLASS.TrustedDomainFullInformation, newBuffer);
if (result != 0)
{
throw ExceptionHelper.GetExceptionFromErrorCode(UnsafeNativeMethods.LsaNtStatusToWinError(result), serverName);
}
return;
}
finally
{
if (impersonated)
Utils.Revert();
if (target != (IntPtr)0)
Marshal.FreeHGlobal(target);
if (buffer != (IntPtr)0)
UnsafeNativeMethods.LsaFreeMemory(buffer);
if (newBuffer != (IntPtr)0)
Marshal.FreeHGlobal(newBuffer);
if (fileTime != (IntPtr)0)
Marshal.FreeHGlobal(fileTime);
if (unmanagedPassword != (IntPtr)0)
Marshal.FreeHGlobal(unmanagedPassword);
if (unmanagedAuthData != (IntPtr)0)
Marshal.FreeHGlobal(unmanagedAuthData);
}
}
catch { throw; }
}
internal IntPtr GetReplicationInfoHelper(IntPtr dsHandle, int type, int secondaryType, string partition, ref bool advanced, int context, LoadLibrarySafeHandle libHandle)
{
IntPtr info = (IntPtr)0;
int result = 0;
bool needToTryAgain = true;
IntPtr functionPtr;
// first try to use the DsReplicaGetInfo2W API which does not exist on win2k machine
// call DsReplicaGetInfo2W
functionPtr = UnsafeNativeMethods.GetProcAddress(libHandle, "DsReplicaGetInfo2W");
if (functionPtr == (IntPtr)0)
{
// a win2k machine which does not have it.
functionPtr = UnsafeNativeMethods.GetProcAddress(libHandle, "DsReplicaGetInfoW");
if (functionPtr == (IntPtr)0)
{
throw ExceptionHelper.GetExceptionFromErrorCode(Marshal.GetLastWin32Error());
}
UnsafeNativeMethods.DsReplicaGetInfoW dsReplicaGetInfoW = (UnsafeNativeMethods.DsReplicaGetInfoW)Marshal.GetDelegateForFunctionPointer(functionPtr, typeof(UnsafeNativeMethods.DsReplicaGetInfoW));
result = dsReplicaGetInfoW(dsHandle, secondaryType, partition, (IntPtr)0, ref info);
advanced = false;
needToTryAgain = false;
}
else
{
UnsafeNativeMethods.DsReplicaGetInfo2W dsReplicaGetInfo2W = (UnsafeNativeMethods.DsReplicaGetInfo2W)Marshal.GetDelegateForFunctionPointer(functionPtr, typeof(UnsafeNativeMethods.DsReplicaGetInfo2W));
result = dsReplicaGetInfo2W(dsHandle, type, partition, (IntPtr)0, null, null, 0, context, ref info);
}
// check the result
if (needToTryAgain && result == DS_REPL_NOTSUPPORTED)
{
// this is the case that client is xp/win2k3, dc is win2k
functionPtr = UnsafeNativeMethods.GetProcAddress(libHandle, "DsReplicaGetInfoW");
if (functionPtr == (IntPtr)0)
{
throw ExceptionHelper.GetExceptionFromErrorCode(Marshal.GetLastWin32Error());
}
UnsafeNativeMethods.DsReplicaGetInfoW dsReplicaGetInfoW = (UnsafeNativeMethods.DsReplicaGetInfoW)Marshal.GetDelegateForFunctionPointer(functionPtr, typeof(UnsafeNativeMethods.DsReplicaGetInfoW));
result = dsReplicaGetInfoW(dsHandle, secondaryType, partition, (IntPtr)0, ref info);
advanced = false;
}
if (result != 0)
{
if (partition != null)
{
// this is the case of meta data
if (type == (int)DS_REPL_INFO_TYPE.DS_REPL_INFO_METADATA_2_FOR_OBJ)
{
if (result == ExceptionHelper.ERROR_DS_DRA_BAD_DN || result == ExceptionHelper.ERROR_DS_NAME_UNPARSEABLE)
{
throw new ArgumentException(ExceptionHelper.GetErrorMessage(result, false), "objectPath");
}
DirectoryEntry verifyEntry = DirectoryEntryManager.GetDirectoryEntry(this.context, partition);
try
{
verifyEntry.RefreshCache(new string[] { "name" });
}
catch (COMException e)
{
if (e.ErrorCode == unchecked ((int)0x80072020) | // dir_error on server side
e.ErrorCode == unchecked ((int)0x80072030)) // object not exists
{
throw new ArgumentException(SR.DSNoObject, "objectPath");
}
else if (e.ErrorCode == unchecked ((int)0x80005000) | // bad path name
e.ErrorCode == unchecked ((int)0x80072032)) // ERROR_DS_INVALID_DN_SYNTAX
{
throw new ArgumentException(SR.DSInvalidPath, "objectPath");
}
}
}
else
{
if (!Partitions.Contains(partition))
{
throw new ArgumentException(SR.ServerNotAReplica, nameof(partition));
}
}
}
throw ExceptionHelper.GetExceptionFromErrorCode(result, Name);
}
return(info);
}
internal static bool GetTrustedDomainInfoStatus(DirectoryContext context, string? sourceName, string targetName, TRUST_ATTRIBUTE attribute, bool isForest)
{
PolicySafeHandle? handle = null;
IntPtr buffer = (IntPtr)0;
LSA_UNICODE_STRING? trustedDomainName = null;
bool impersonated = false;
IntPtr target = (IntPtr)0;
string? serverName = null;
// get policy server name
serverName = Utils.GetPolicyServerName(context, isForest, false, sourceName);
impersonated = Utils.Impersonate(context);
try
{
try
{
// get the policy handle first
handle = new PolicySafeHandle(Utils.GetPolicyHandle(serverName));
// get the target name
trustedDomainName = new LSA_UNICODE_STRING();
target = Marshal.StringToHGlobalUni(targetName);
UnsafeNativeMethods.RtlInitUnicodeString(trustedDomainName, target);
int result = UnsafeNativeMethods.LsaQueryTrustedDomainInfoByName(handle, trustedDomainName, TRUSTED_INFORMATION_CLASS.TrustedDomainInformationEx, ref buffer);
if (result != 0)
{
int win32Error = UnsafeNativeMethods.LsaNtStatusToWinError(result);
// 2 ERROR_FILE_NOT_FOUND <--> 0xc0000034 STATUS_OBJECT_NAME_NOT_FOUND
if (win32Error == STATUS_OBJECT_NAME_NOT_FOUND)
{
if (isForest)
throw new ActiveDirectoryObjectNotFoundException(SR.Format(SR.ForestTrustDoesNotExist, sourceName, targetName), typeof(ForestTrustRelationshipInformation), null);
else
throw new ActiveDirectoryObjectNotFoundException(SR.Format(SR.DomainTrustDoesNotExist, sourceName, targetName), typeof(TrustRelationshipInformation), null);
}
else
throw ExceptionHelper.GetExceptionFromErrorCode(win32Error, serverName);
}
Debug.Assert(buffer != (IntPtr)0);
TRUSTED_DOMAIN_INFORMATION_EX domainInfo = new TRUSTED_DOMAIN_INFORMATION_EX();
Marshal.PtrToStructure(buffer, domainInfo);
// validate this is the trust that the user refers to
ValidateTrustAttribute(domainInfo, isForest, sourceName, targetName);
// get the attribute of the trust
// selective authentication info
if (attribute == TRUST_ATTRIBUTE.TRUST_ATTRIBUTE_CROSS_ORGANIZATION)
{
if ((domainInfo.TrustAttributes & TRUST_ATTRIBUTE.TRUST_ATTRIBUTE_CROSS_ORGANIZATION) == 0)
return false;
else
return true;
}
// sid filtering behavior for forest trust
else if (attribute == TRUST_ATTRIBUTE.TRUST_ATTRIBUTE_TREAT_AS_EXTERNAL)
{
if ((domainInfo.TrustAttributes & TRUST_ATTRIBUTE.TRUST_ATTRIBUTE_TREAT_AS_EXTERNAL) == 0)
return true;
else
return false;
}
// sid filtering behavior for domain trust
else if (attribute == TRUST_ATTRIBUTE.TRUST_ATTRIBUTE_QUARANTINED_DOMAIN)
{
if ((domainInfo.TrustAttributes & TRUST_ATTRIBUTE.TRUST_ATTRIBUTE_QUARANTINED_DOMAIN) == 0)
return false;
else
return true;
}
else
{
// should not happen
throw new ArgumentException(nameof(attribute));
}
}
finally
{
if (impersonated)
Utils.Revert();
if (target != (IntPtr)0)
Marshal.FreeHGlobal(target);
if (buffer != (IntPtr)0)
UnsafeNativeMethods.LsaFreeMemory(buffer);
}
}
catch { throw; }
}
internal static void CreateTrust(DirectoryContext sourceContext, string? sourceName, DirectoryContext targetContext, string? targetName, bool isForest, TrustDirection direction, string password)
{
LSA_AUTH_INFORMATION? AuthData = null;
TRUSTED_DOMAIN_AUTH_INFORMATION? AuthInfoEx = null;
TRUSTED_DOMAIN_INFORMATION_EX? tdi = null;
IntPtr fileTime = (IntPtr)0;
IntPtr unmanagedPassword = (IntPtr)0;
IntPtr info = (IntPtr)0;
IntPtr domainHandle = (IntPtr)0;
PolicySafeHandle? policyHandle = null;
IntPtr unmanagedAuthData = (IntPtr)0;
bool impersonated = false;
string? serverName = null;
// get the domain info first
info = GetTrustedDomainInfo(targetContext, targetName, isForest);
try
{
try
{
POLICY_DNS_DOMAIN_INFO domainInfo = new POLICY_DNS_DOMAIN_INFO();
Marshal.PtrToStructure(info, domainInfo);
AuthData = new LSA_AUTH_INFORMATION();
fileTime = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(FileTime)));
UnsafeNativeMethods.GetSystemTimeAsFileTime(fileTime);
// set the time
FileTime tmp = new FileTime();
Marshal.PtrToStructure(fileTime, tmp);
AuthData.LastUpdateTime = new LARGE_INTEGER();
AuthData.LastUpdateTime.lowPart = tmp.lower;
AuthData.LastUpdateTime.highPart = tmp.higher;
AuthData.AuthType = TRUST_AUTH_TYPE_CLEAR;
unmanagedPassword = Marshal.StringToHGlobalUni(password);
AuthData.AuthInfo = unmanagedPassword;
AuthData.AuthInfoLength = password.Length * 2; // sizeof(WCHAR)
unmanagedAuthData = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(LSA_AUTH_INFORMATION)));
Marshal.StructureToPtr(AuthData, unmanagedAuthData, false);
AuthInfoEx = new TRUSTED_DOMAIN_AUTH_INFORMATION();
if ((direction & TrustDirection.Inbound) != 0)
{
AuthInfoEx.IncomingAuthInfos = 1;
AuthInfoEx.IncomingAuthenticationInformation = unmanagedAuthData;
AuthInfoEx.IncomingPreviousAuthenticationInformation = (IntPtr)0;
}
if ((direction & TrustDirection.Outbound) != 0)
{
AuthInfoEx.OutgoingAuthInfos = 1;
AuthInfoEx.OutgoingAuthenticationInformation = unmanagedAuthData;
AuthInfoEx.OutgoingPreviousAuthenticationInformation = (IntPtr)0;
}
tdi = new TRUSTED_DOMAIN_INFORMATION_EX();
tdi.FlatName = domainInfo.Name;
tdi.Name = domainInfo.DnsDomainName;
tdi.Sid = domainInfo.Sid;
tdi.TrustType = TRUST_TYPE_UPLEVEL;
tdi.TrustDirection = (int)direction;
if (isForest)
{
tdi.TrustAttributes = TRUST_ATTRIBUTE.TRUST_ATTRIBUTE_FOREST_TRANSITIVE;
}
else
{
tdi.TrustAttributes = TRUST_ATTRIBUTE.TRUST_ATTRIBUTE_QUARANTINED_DOMAIN;
}
// get server name
serverName = Utils.GetPolicyServerName(sourceContext, isForest, false, sourceName);
// do impersonation and get policy handle
impersonated = Utils.Impersonate(sourceContext);
policyHandle = new PolicySafeHandle(Utils.GetPolicyHandle(serverName));
int result = UnsafeNativeMethods.LsaCreateTrustedDomainEx(policyHandle, tdi, AuthInfoEx, TRUSTED_SET_POSIX | TRUSTED_SET_AUTH, out domainHandle);
if (result != 0)
{
result = UnsafeNativeMethods.LsaNtStatusToWinError(result);
if (result == ERROR_ALREADY_EXISTS)
{
if (isForest)
throw new ActiveDirectoryObjectExistsException(SR.Format(SR.AlreadyExistingForestTrust, sourceName, targetName));
else
throw new ActiveDirectoryObjectExistsException(SR.Format(SR.AlreadyExistingDomainTrust, sourceName, targetName));
}
else
throw ExceptionHelper.GetExceptionFromErrorCode(result, serverName);
}
}
finally
{
if (impersonated)
Utils.Revert();
if (fileTime != (IntPtr)0)
Marshal.FreeHGlobal(fileTime);
if (domainHandle != (IntPtr)0)
UnsafeNativeMethods.LsaClose(domainHandle);
if (info != (IntPtr)0)
UnsafeNativeMethods.LsaFreeMemory(info);
if (unmanagedPassword != (IntPtr)0)
Marshal.FreeHGlobal(unmanagedPassword);
if (unmanagedAuthData != (IntPtr)0)
Marshal.FreeHGlobal(unmanagedAuthData);
}
}
catch { throw; }
}
internal static void VerifyTrust(DirectoryContext context, string? sourceName, string? targetName, bool isForest, TrustDirection direction, bool forceSecureChannelReset, string? preferredTargetServer)
{
PolicySafeHandle? policyHandle = null;
LSA_UNICODE_STRING? trustedDomainName = null;
int win32Error = 0;
IntPtr data = (IntPtr)0;
IntPtr ptr = (IntPtr)0;
IntPtr buffer1 = (IntPtr)0;
IntPtr buffer2 = (IntPtr)0;
bool impersonated = true;
IntPtr target = (IntPtr)0;
string? policyServerName = null;
policyServerName = Utils.GetPolicyServerName(context, isForest, false, sourceName);
impersonated = Utils.Impersonate(context);
try
{
try
{
// get the policy handle
policyHandle = new PolicySafeHandle(Utils.GetPolicyHandle(policyServerName));
// get the target name
trustedDomainName = new LSA_UNICODE_STRING();
target = Marshal.StringToHGlobalUni(targetName);
UnsafeNativeMethods.RtlInitUnicodeString(trustedDomainName, target);
// validate the trust existence
ValidateTrust(policyHandle, trustedDomainName, sourceName, targetName, isForest, (int)direction, policyServerName); // need to verify direction
if (preferredTargetServer == null)
data = Marshal.StringToHGlobalUni(targetName);
else
// this is the case that we need to specifically go to a particular server. This is the way to tell netlogon to do that.
data = Marshal.StringToHGlobalUni(targetName + "\\" + preferredTargetServer);
ptr = Marshal.AllocHGlobal(IntPtr.Size);
Marshal.WriteIntPtr(ptr, data);
if (!forceSecureChannelReset)
{
win32Error = UnsafeNativeMethods.I_NetLogonControl2(policyServerName, NETLOGON_CONTROL_TC_VERIFY, NETLOGON_QUERY_LEVEL, ptr, out buffer1);
if (win32Error == 0)
{
NETLOGON_INFO_2 info = new NETLOGON_INFO_2();
Marshal.PtrToStructure(buffer1, info);
if ((info.netlog2_flags & NETLOGON_VERIFY_STATUS_RETURNED) != 0)
{
int result = info.netlog2_pdc_connection_status;
if (result == 0)
{
// verification succeeded
return;
}
else
{
// don't really know which server is down, the source or the target
throw ExceptionHelper.GetExceptionFromErrorCode(result);
}
}
else
{
int result = info.netlog2_tc_connection_status;
throw ExceptionHelper.GetExceptionFromErrorCode(result);
}
}
else
{
if (win32Error == ERROR_INVALID_LEVEL)
{
// it is pre-win2k SP3 dc that does not support NETLOGON_CONTROL_TC_VERIFY
throw new NotSupportedException(SR.TrustVerificationNotSupport);
}
else
{
throw ExceptionHelper.GetExceptionFromErrorCode(win32Error);
}
}
}
else
{
// then try secure channel reset
win32Error = UnsafeNativeMethods.I_NetLogonControl2(policyServerName, NETLOGON_CONTROL_REDISCOVER, NETLOGON_QUERY_LEVEL, ptr, out buffer2);
if (win32Error != 0)
// don't really know which server is down, the source or the target
throw ExceptionHelper.GetExceptionFromErrorCode(win32Error);
}
}
finally
{
if (impersonated)
Utils.Revert();
if (target != (IntPtr)0)
Marshal.FreeHGlobal(target);
if (ptr != (IntPtr)0)
Marshal.FreeHGlobal(ptr);
if (data != (IntPtr)0)
Marshal.FreeHGlobal(data);
if (buffer1 != (IntPtr)0)
UnsafeNativeMethods.NetApiBufferFree(buffer1);
if (buffer2 != (IntPtr)0)
UnsafeNativeMethods.NetApiBufferFree(buffer2);
}
}
catch { throw; }
}
internal static void DeleteTrust(DirectoryContext sourceContext, string? sourceName, string? targetName, bool isForest)
{
PolicySafeHandle? policyHandle = null;
LSA_UNICODE_STRING? trustedDomainName = null;
int win32Error = 0;
bool impersonated = false;
IntPtr target = (IntPtr)0;
string? serverName = null;
IntPtr buffer = (IntPtr)0;
serverName = Utils.GetPolicyServerName(sourceContext, isForest, false, sourceName);
impersonated = Utils.Impersonate(sourceContext);
try
{
try
{
// get the policy handle
policyHandle = new PolicySafeHandle(Utils.GetPolicyHandle(serverName));
// get the target name
trustedDomainName = new LSA_UNICODE_STRING();
target = Marshal.StringToHGlobalUni(targetName);
UnsafeNativeMethods.RtlInitUnicodeString(trustedDomainName, target);
// get trust information
int result = UnsafeNativeMethods.LsaQueryTrustedDomainInfoByName(policyHandle, trustedDomainName, TRUSTED_INFORMATION_CLASS.TrustedDomainInformationEx, ref buffer);
if (result != 0)
{
win32Error = UnsafeNativeMethods.LsaNtStatusToWinError(result);
// 2 ERROR_FILE_NOT_FOUND <--> 0xc0000034 STATUS_OBJECT_NAME_NOT_FOUND
if (win32Error == STATUS_OBJECT_NAME_NOT_FOUND)
{
if (isForest)
throw new ActiveDirectoryObjectNotFoundException(SR.Format(SR.ForestTrustDoesNotExist, sourceName, targetName), typeof(ForestTrustRelationshipInformation), null);
else
throw new ActiveDirectoryObjectNotFoundException(SR.Format(SR.DomainTrustDoesNotExist, sourceName, targetName), typeof(TrustRelationshipInformation), null);
}
else
throw ExceptionHelper.GetExceptionFromErrorCode(win32Error, serverName);
}
Debug.Assert(buffer != (IntPtr)0);
try
{
TRUSTED_DOMAIN_INFORMATION_EX domainInfo = new TRUSTED_DOMAIN_INFORMATION_EX();
Marshal.PtrToStructure(buffer, domainInfo);
// validate this is the trust that the user refers to
ValidateTrustAttribute(domainInfo, isForest, sourceName, targetName);
// delete the trust
result = UnsafeNativeMethods.LsaDeleteTrustedDomain(policyHandle, domainInfo.Sid);
if (result != 0)
{
win32Error = UnsafeNativeMethods.LsaNtStatusToWinError(result);
throw ExceptionHelper.GetExceptionFromErrorCode(win32Error, serverName);
}
}
finally
{
if (buffer != (IntPtr)0)
UnsafeNativeMethods.LsaFreeMemory(buffer);
}
}
finally
{
if (impersonated)
Utils.Revert();
if (target != (IntPtr)0)
Marshal.FreeHGlobal(target);
}
}
catch { throw; }
}
internal static void SetTrustedDomainInfoStatus(DirectoryContext context, string? sourceName, string targetName, TRUST_ATTRIBUTE attribute, bool status, bool isForest)
{
PolicySafeHandle? handle = null;
IntPtr buffer = (IntPtr)0;
IntPtr newInfo = (IntPtr)0;
LSA_UNICODE_STRING? trustedDomainName = null;
bool impersonated = false;
IntPtr target = (IntPtr)0;
string? serverName = null;
serverName = Utils.GetPolicyServerName(context, isForest, false, sourceName);
impersonated = Utils.Impersonate(context);
try
{
try
{
// get the policy handle first
handle = new PolicySafeHandle(Utils.GetPolicyHandle(serverName));
// get the target name
trustedDomainName = new LSA_UNICODE_STRING();
target = Marshal.StringToHGlobalUni(targetName);
UnsafeNativeMethods.RtlInitUnicodeString(trustedDomainName, target);
// get the trusted domain information
int result = UnsafeNativeMethods.LsaQueryTrustedDomainInfoByName(handle, trustedDomainName, TRUSTED_INFORMATION_CLASS.TrustedDomainInformationEx, ref buffer);
if (result != 0)
{
int win32Error = UnsafeNativeMethods.LsaNtStatusToWinError(result);
// 2 ERROR_FILE_NOT_FOUND <--> 0xc0000034 STATUS_OBJECT_NAME_NOT_FOUND
if (win32Error == STATUS_OBJECT_NAME_NOT_FOUND)
{
if (isForest)
throw new ActiveDirectoryObjectNotFoundException(SR.Format(SR.ForestTrustDoesNotExist, sourceName, targetName), typeof(ForestTrustRelationshipInformation), null);
else
throw new ActiveDirectoryObjectNotFoundException(SR.Format(SR.DomainTrustDoesNotExist, sourceName, targetName), typeof(TrustRelationshipInformation), null);
}
else
throw ExceptionHelper.GetExceptionFromErrorCode(win32Error, serverName);
}
Debug.Assert(buffer != (IntPtr)0);
// get the managed structre representation
TRUSTED_DOMAIN_INFORMATION_EX domainInfo = new TRUSTED_DOMAIN_INFORMATION_EX();
Marshal.PtrToStructure(buffer, domainInfo);
// validate this is the trust that the user refers to
ValidateTrustAttribute(domainInfo, isForest, sourceName, targetName);
// change the attribute value properly
// selective authentication
if (attribute == TRUST_ATTRIBUTE.TRUST_ATTRIBUTE_CROSS_ORGANIZATION)
{
if (status)
{
// turns on selective authentication
domainInfo.TrustAttributes |= TRUST_ATTRIBUTE.TRUST_ATTRIBUTE_CROSS_ORGANIZATION;
}
else
{
// turns off selective authentication
domainInfo.TrustAttributes &= ~(TRUST_ATTRIBUTE.TRUST_ATTRIBUTE_CROSS_ORGANIZATION);
}
}
// user wants to change sid filtering behavior for forest trust
else if (attribute == TRUST_ATTRIBUTE.TRUST_ATTRIBUTE_TREAT_AS_EXTERNAL)
{
if (status)
{
// user wants sid filtering behavior
domainInfo.TrustAttributes &= ~(TRUST_ATTRIBUTE.TRUST_ATTRIBUTE_TREAT_AS_EXTERNAL);
}
else
{
// users wants to turn off sid filtering behavior
domainInfo.TrustAttributes |= TRUST_ATTRIBUTE.TRUST_ATTRIBUTE_TREAT_AS_EXTERNAL;
}
}
// user wants to change sid filtering behavior for external trust
else if (attribute == TRUST_ATTRIBUTE.TRUST_ATTRIBUTE_QUARANTINED_DOMAIN)
{
if (status)
{
// user wants sid filtering behavior
domainInfo.TrustAttributes |= TRUST_ATTRIBUTE.TRUST_ATTRIBUTE_QUARANTINED_DOMAIN;
}
else
{
// user wants to turn off sid filtering behavior
domainInfo.TrustAttributes &= ~(TRUST_ATTRIBUTE.TRUST_ATTRIBUTE_QUARANTINED_DOMAIN);
}
}
else
{
throw new ArgumentException(nameof(attribute));
}
// reconstruct the unmanaged structure to set it back
newInfo = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(TRUSTED_DOMAIN_INFORMATION_EX)));
Marshal.StructureToPtr(domainInfo, newInfo, false);
result = UnsafeNativeMethods.LsaSetTrustedDomainInfoByName(handle, trustedDomainName, TRUSTED_INFORMATION_CLASS.TrustedDomainInformationEx, newInfo);
if (result != 0)
{
throw ExceptionHelper.GetExceptionFromErrorCode(UnsafeNativeMethods.LsaNtStatusToWinError(result), serverName);
}
return;
}
finally
{
if (impersonated)
Utils.Revert();
if (target != (IntPtr)0)
Marshal.FreeHGlobal(target);
if (buffer != (IntPtr)0)
UnsafeNativeMethods.LsaFreeMemory(buffer);
if (newInfo != (IntPtr)0)
Marshal.FreeHGlobal(newInfo);
}
}
catch { throw; }
}
