internal static extern int LsaCallAuthenticationPackage(
[In] LsaLogonProcessSafeHandle lsaHandle,
[In] int authenticationPackage,
[In] NegotiateCallerNameRequest protocolSubmitBuffer,
[In] int submitBufferLength,
[Out] out IntPtr protocolReturnBuffer,
[Out] out int returnBufferLength,
[Out] out int protocolStatus);
internal static string GetLoggedOnDomain()
{
string domainName = null;
NegotiateCallerNameRequest requestBuffer = new NegotiateCallerNameRequest();
int requestBufferLength = (int)Marshal.SizeOf(requestBuffer);
IntPtr pResponseBuffer = IntPtr.Zero;
NegotiateCallerNameResponse responseBuffer = new NegotiateCallerNameResponse();
int responseBufferLength;
int protocolStatus;
int result;
LsaLogonProcessSafeHandle lsaHandle;
//
// since we are using safe handles, we don't need to explicitly call NativeMethods.LsaDeregisterLogonProcess(lsaHandle)
//
result = NativeMethods.LsaConnectUntrusted(out lsaHandle);
if (result == 0)
{
//
// initialize the request buffer
//
requestBuffer.messageType = NativeMethods.NegGetCallerName;
result = NativeMethods.LsaCallAuthenticationPackage(lsaHandle, 0, requestBuffer, requestBufferLength, out pResponseBuffer, out responseBufferLength, out protocolStatus);
try
{
if (result == 0 && protocolStatus == 0)
{
Marshal.PtrToStructure(pResponseBuffer, responseBuffer);
//
// callerName is of the form domain\username
//
Debug.Assert((responseBuffer.callerName != null), "NativeMethods.LsaCallAuthenticationPackage returned null callerName.");
int index = responseBuffer.callerName.IndexOf('\\');
Debug.Assert((index != -1), "NativeMethods.LsaCallAuthenticationPackage returned callerName not in domain\\username format.");
domainName = responseBuffer.callerName.Substring(0, index);
}
else
{
if (result == NativeMethods.STATUS_QUOTA_EXCEEDED)
{
throw new OutOfMemoryException();
}
else if ((result == 0) && (UnsafeNativeMethods.LsaNtStatusToWinError(protocolStatus) == NativeMethods.ERROR_NO_SUCH_LOGON_SESSION))
{
// If this is a directory user, extract domain info from username
if (!Utils.IsSamUser())
{
WindowsIdentity identity = WindowsIdentity.GetCurrent();
int index = identity.Name.IndexOf('\\');
Debug.Assert(index != -1);
domainName = identity.Name.Substring(0, index);
}
}
else
{
throw ExceptionHelper.GetExceptionFromErrorCode(UnsafeNativeMethods.LsaNtStatusToWinError((result != 0) ? result : protocolStatus));
}
}
}
finally
{
if (pResponseBuffer != IntPtr.Zero)
{
NativeMethods.LsaFreeReturnBuffer(pResponseBuffer);
}
}
}
else if (result == NativeMethods.STATUS_QUOTA_EXCEEDED)
{
throw new OutOfMemoryException();
}
else
{
throw ExceptionHelper.GetExceptionFromErrorCode(UnsafeNativeMethods.LsaNtStatusToWinError(result));
}
// If we're running as a local user (i.e. NT AUTHORITY\LOCAL SYSTEM, IIS APPPOOL\APPPoolIdentity, etc.),
// domainName will be null and we fall back to the machine's domain
domainName = GetDnsDomainName(domainName);
if (domainName == null)
{
//
// we should never get to this point here since we should have already verified that the context is valid
// by the time we get to this point
//
throw new ActiveDirectoryOperationException(Res.GetString(Res.ContextNotAssociatedWithDomain));
}
return domainName;
}
internal static string GetLoggedOnDomain()
{
string domainName = null;
NegotiateCallerNameRequest requestBuffer = new NegotiateCallerNameRequest();
int requestBufferLength = (int)Marshal.SizeOf(requestBuffer);
IntPtr pResponseBuffer = IntPtr.Zero;
NegotiateCallerNameResponse responseBuffer = new NegotiateCallerNameResponse();
int responseBufferLength;
int protocolStatus;
int result;
LsaLogonProcessSafeHandle lsaHandle;
//
// since we are using safe handles, we don't need to explicitly call NativeMethods.LsaDeregisterLogonProcess(lsaHandle)
//
result = NativeMethods.LsaConnectUntrusted(out lsaHandle);
if (result == 0)
{
//
// initialize the request buffer
//
requestBuffer.messageType = NativeMethods.NegGetCallerName;
result = NativeMethods.LsaCallAuthenticationPackage(lsaHandle, 0, requestBuffer, requestBufferLength, out pResponseBuffer, out responseBufferLength, out protocolStatus);
try
{
if (result == 0 && protocolStatus == 0)
{
Marshal.PtrToStructure(pResponseBuffer, responseBuffer);
//
// callerName is of the form domain\username
//
Debug.Assert((responseBuffer.callerName != null), "NativeMethods.LsaCallAuthenticationPackage returned null callerName.");
int index = responseBuffer.callerName.IndexOf('\\');
Debug.Assert((index != -1), "NativeMethods.LsaCallAuthenticationPackage returned callerName not in domain\\username format.");
domainName = responseBuffer.callerName.Substring(0, index);
}
else
{
if (result == NativeMethods.STATUS_QUOTA_EXCEEDED)
{
throw new OutOfMemoryException();
}
else if ((result == 0) && (UnsafeNativeMethods.LsaNtStatusToWinError(protocolStatus) == NativeMethods.ERROR_NO_SUCH_LOGON_SESSION))
{
// If this is a directory user, extract domain info from username
if (!Utils.IsSamUser())
{
WindowsIdentity identity = WindowsIdentity.GetCurrent();
int index = identity.Name.IndexOf('\\');
Debug.Assert(index != -1);
domainName = identity.Name.Substring(0, index);
}
}
else
{
throw ExceptionHelper.GetExceptionFromErrorCode(UnsafeNativeMethods.LsaNtStatusToWinError((result != 0) ? result : protocolStatus));
}
}
}
finally
{
if (pResponseBuffer != IntPtr.Zero)
{
NativeMethods.LsaFreeReturnBuffer(pResponseBuffer);
}
}
}
else if (result == NativeMethods.STATUS_QUOTA_EXCEEDED)
{
throw new OutOfMemoryException();
}
else
{
throw ExceptionHelper.GetExceptionFromErrorCode(UnsafeNativeMethods.LsaNtStatusToWinError(result));
}
// If we're running as a local user (i.e. NT AUTHORITY\LOCAL SYSTEM, IIS APPPOOL\APPPoolIdentity, etc.),
// domainName will be null and we fall back to the machine's domain
domainName = GetDnsDomainName(domainName);
if (domainName == null)
{
//
// we should never get to this point here since we should have already verified that the context is valid
// by the time we get to this point
//
throw new ActiveDirectoryOperationException(SR.ContextNotAssociatedWithDomain);
}
return(domainName);
}
internal static string GetLoggedOnDomain()
{
int num = 0;
int num1 = 0;
LsaLogonProcessSafeHandle lsaLogonProcessSafeHandle = null;
int num2;
string dnsDomainName = null;
NegotiateCallerNameRequest negotiateCallerNameRequest = new NegotiateCallerNameRequest();
int num3 = Marshal.SizeOf(negotiateCallerNameRequest);
IntPtr zero = IntPtr.Zero;
NegotiateCallerNameResponse negotiateCallerNameResponse = new NegotiateCallerNameResponse();
int num4 = NativeMethods.LsaConnectUntrusted(out lsaLogonProcessSafeHandle);
if (num4 != 0)
{
if (num4 != -1073741756)
{
throw ExceptionHelper.GetExceptionFromErrorCode(UnsafeNativeMethods.LsaNtStatusToWinError(num4));
}
else
{
throw new OutOfMemoryException();
}
}
else
{
negotiateCallerNameRequest.messageType = 1;
num4 = NativeMethods.LsaCallAuthenticationPackage(lsaLogonProcessSafeHandle, 0, negotiateCallerNameRequest, num3, out zero, out num, out num1);
try
{
if (num4 != 0 || num1 != 0)
{
if (num4 != -1073741756)
{
if (num4 != 0 || UnsafeNativeMethods.LsaNtStatusToWinError(num1) != 0x520)
{
if (num4 != 0)
{
num2 = num4;
}
else
{
num2 = num1;
}
throw ExceptionHelper.GetExceptionFromErrorCode(UnsafeNativeMethods.LsaNtStatusToWinError(num2));
}
else
{
if (!Utils.IsSamUser())
{
WindowsIdentity current = WindowsIdentity.GetCurrent();
int num5 = current.Name.IndexOf('\\');
dnsDomainName = current.Name.Substring(0, num5);
}
}
}
else
{
throw new OutOfMemoryException();
}
}
else
{
Marshal.PtrToStructure(zero, negotiateCallerNameResponse);
int num6 = negotiateCallerNameResponse.callerName.IndexOf('\\');
dnsDomainName = negotiateCallerNameResponse.callerName.Substring(0, num6);
}
}
finally
{
if (zero != IntPtr.Zero)
{
NativeMethods.LsaFreeReturnBuffer(zero);
}
}
dnsDomainName = DirectoryContext.GetDnsDomainName(dnsDomainName);
if (dnsDomainName != null)
{
return(dnsDomainName);
}
else
{
throw new ActiveDirectoryOperationException(Res.GetString("ContextNotAssociatedWithDomain"));
}
}
}
internal static string GetLoggedOnDomain()
{
string dnsDomainName = null;
LsaLogonProcessSafeHandle handle;
NegotiateCallerNameRequest structure = new NegotiateCallerNameRequest();
int submitBufferLength = Marshal.SizeOf(structure);
IntPtr zero = IntPtr.Zero;
NegotiateCallerNameResponse response = new NegotiateCallerNameResponse();
int status = System.DirectoryServices.ActiveDirectory.NativeMethods.LsaConnectUntrusted(out handle);
switch (status)
{
case 0:
int num2;
int num3;
structure.messageType = 1;
status = System.DirectoryServices.ActiveDirectory.NativeMethods.LsaCallAuthenticationPackage(handle, 0, structure, submitBufferLength, out zero, out num2, out num3);
try
{
if ((status != 0) || (num3 != 0))
{
if (status == -1073741756)
{
throw new OutOfMemoryException();
}
if ((status != 0) || (System.DirectoryServices.ActiveDirectory.UnsafeNativeMethods.LsaNtStatusToWinError(num3) != 0x520))
{
throw System.DirectoryServices.ActiveDirectory.ExceptionHelper.GetExceptionFromErrorCode(System.DirectoryServices.ActiveDirectory.UnsafeNativeMethods.LsaNtStatusToWinError((status != 0) ? status : num3));
}
WindowsIdentity current = WindowsIdentity.GetCurrent();
int index = current.Name.IndexOf('\\');
dnsDomainName = current.Name.Substring(0, index);
}
else
{
Marshal.PtrToStructure(zero, response);
int length = response.callerName.IndexOf('\\');
dnsDomainName = response.callerName.Substring(0, length);
}
if ((dnsDomainName != null) && (Utils.Compare(dnsDomainName, Utils.GetNtAuthorityString()) == 0))
{
dnsDomainName = GetDnsDomainName(null);
}
else
{
dnsDomainName = GetDnsDomainName(dnsDomainName);
}
if (dnsDomainName == null)
{
throw new ActiveDirectoryOperationException(Res.GetString("ContextNotAssociatedWithDomain"));
}
return(dnsDomainName);
}
finally
{
if (zero != IntPtr.Zero)
{
System.DirectoryServices.ActiveDirectory.NativeMethods.LsaFreeReturnBuffer(zero);
}
}
break;
case -1073741756:
throw new OutOfMemoryException();
}
throw System.DirectoryServices.ActiveDirectory.ExceptionHelper.GetExceptionFromErrorCode(System.DirectoryServices.ActiveDirectory.UnsafeNativeMethods.LsaNtStatusToWinError(status));
}
internal static string GetLoggedOnDomain()
{
int num = 0;
int num1 = 0;
LsaLogonProcessSafeHandle lsaLogonProcessSafeHandle = null;
int num2;
string dnsDomainName = null;
NegotiateCallerNameRequest negotiateCallerNameRequest = new NegotiateCallerNameRequest();
int num3 = Marshal.SizeOf(negotiateCallerNameRequest);
IntPtr zero = IntPtr.Zero;
NegotiateCallerNameResponse negotiateCallerNameResponse = new NegotiateCallerNameResponse();
int num4 = NativeMethods.LsaConnectUntrusted(out lsaLogonProcessSafeHandle);
if (num4 != 0)
{
if (num4 != -1073741756)
{
throw ExceptionHelper.GetExceptionFromErrorCode(UnsafeNativeMethods.LsaNtStatusToWinError(num4));
}
else
{
throw new OutOfMemoryException();
}
}
else
{
negotiateCallerNameRequest.messageType = 1;
num4 = NativeMethods.LsaCallAuthenticationPackage(lsaLogonProcessSafeHandle, 0, negotiateCallerNameRequest, num3, out zero, out num, out num1);
try
{
if (num4 != 0 || num1 != 0)
{
if (num4 != -1073741756)
{
if (num4 != 0 || UnsafeNativeMethods.LsaNtStatusToWinError(num1) != 0x520)
{
if (num4 != 0)
{
num2 = num4;
}
else
{
num2 = num1;
}
throw ExceptionHelper.GetExceptionFromErrorCode(UnsafeNativeMethods.LsaNtStatusToWinError(num2));
}
else
{
if (!Utils.IsSamUser())
{
WindowsIdentity current = WindowsIdentity.GetCurrent();
int num5 = current.Name.IndexOf('\\');
dnsDomainName = current.Name.Substring(0, num5);
}
}
}
else
{
throw new OutOfMemoryException();
}
}
else
{
Marshal.PtrToStructure(zero, negotiateCallerNameResponse);
int num6 = negotiateCallerNameResponse.callerName.IndexOf('\\');
dnsDomainName = negotiateCallerNameResponse.callerName.Substring(0, num6);
}
}
finally
{
if (zero != IntPtr.Zero)
{
NativeMethods.LsaFreeReturnBuffer(zero);
}
}
dnsDomainName = DirectoryContext.GetDnsDomainName(dnsDomainName);
if (dnsDomainName != null)
{
return dnsDomainName;
}
else
{
throw new ActiveDirectoryOperationException(Res.GetString("ContextNotAssociatedWithDomain"));
}
}
}