internal static extern int LsaLogonUser(
[In] SafeLsaLogonProcessHandle LsaHandle,
[In] ref UNICODE_INTPTR_STRING OriginName,
[In] SecurityLogonType LogonType,
[In] uint AuthenticationPackage,
[In] IntPtr AuthenticationInformation,
[In] uint AuthenticationInformationLength,
[In] IntPtr LocalGroups,
[In] ref TOKEN_SOURCE SourceContext,
[Out] out SafeLsaReturnBufferHandle ProfileBuffer,
[Out] out uint ProfileBufferLength,
[Out] out LUID LogonId,
[Out] out SafeCloseHandle Token,
[Out] out QUOTA_LIMITS Quotas,
[Out] out int SubStatus
);
private static unsafe WindowsIdentity KerberosCertificateLogon(X509Certificate2 certificate)
{
SafeHGlobalHandle handle = null;
SafeHGlobalHandle handle2 = null;
SafeHGlobalHandle handle3 = null;
SafeLsaLogonProcessHandle lsaHandle = null;
SafeLsaReturnBufferHandle profileBuffer = null;
SafeCloseHandle token = null;
WindowsIdentity identity;
try
{
int num;
uint num6;
handle = SafeHGlobalHandle.AllocHGlobal((int) (System.IdentityModel.NativeMethods.LsaSourceName.Length + 1));
Marshal.Copy(System.IdentityModel.NativeMethods.LsaSourceName, 0, handle.DangerousGetHandle(), System.IdentityModel.NativeMethods.LsaSourceName.Length);
UNICODE_INTPTR_STRING logonProcessName = new UNICODE_INTPTR_STRING(System.IdentityModel.NativeMethods.LsaSourceName.Length, System.IdentityModel.NativeMethods.LsaSourceName.Length + 1, handle.DangerousGetHandle());
System.IdentityModel.Privilege privilege = null;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
try
{
privilege = new System.IdentityModel.Privilege("SeTcbPrivilege");
privilege.Enable();
}
catch (PrivilegeNotHeldException exception)
{
if (DiagnosticUtility.ShouldTraceInformation)
{
DiagnosticUtility.ExceptionUtility.TraceHandledException(exception, TraceEventType.Information);
}
}
IntPtr zero = IntPtr.Zero;
num = System.IdentityModel.NativeMethods.LsaRegisterLogonProcess(ref logonProcessName, out lsaHandle, out zero);
if (5 == System.IdentityModel.NativeMethods.LsaNtStatusToWinError(num))
{
num = System.IdentityModel.NativeMethods.LsaConnectUntrusted(out lsaHandle);
}
if (num < 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception(System.IdentityModel.NativeMethods.LsaNtStatusToWinError(num)));
}
}
finally
{
int error = -1;
string message = null;
try
{
error = privilege.Revert();
if (error != 0)
{
message = System.IdentityModel.SR.GetString("RevertingPrivilegeFailed", new object[] { new Win32Exception(error) });
}
}
finally
{
if (error != 0)
{
DiagnosticUtility.FailFast(message);
}
}
}
handle2 = SafeHGlobalHandle.AllocHGlobal((int) (System.IdentityModel.NativeMethods.LsaKerberosName.Length + 1));
Marshal.Copy(System.IdentityModel.NativeMethods.LsaKerberosName, 0, handle2.DangerousGetHandle(), System.IdentityModel.NativeMethods.LsaKerberosName.Length);
UNICODE_INTPTR_STRING packageName = new UNICODE_INTPTR_STRING(System.IdentityModel.NativeMethods.LsaKerberosName.Length, System.IdentityModel.NativeMethods.LsaKerberosName.Length + 1, handle2.DangerousGetHandle());
uint authenticationPackage = 0;
num = System.IdentityModel.NativeMethods.LsaLookupAuthenticationPackage(lsaHandle, ref packageName, out authenticationPackage);
if (num < 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception(System.IdentityModel.NativeMethods.LsaNtStatusToWinError(num)));
}
TOKEN_SOURCE sourceContext = new TOKEN_SOURCE();
if (!System.IdentityModel.NativeMethods.AllocateLocallyUniqueId(out sourceContext.SourceIdentifier))
{
int num4 = Marshal.GetLastWin32Error();
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception(num4));
}
sourceContext.Name = new char[8];
sourceContext.Name[0] = 'W';
sourceContext.Name[1] = 'C';
sourceContext.Name[2] = 'F';
byte[] rawData = certificate.RawData;
int cb = KERB_CERTIFICATE_S4U_LOGON.Size + rawData.Length;
handle3 = SafeHGlobalHandle.AllocHGlobal(cb);
KERB_CERTIFICATE_S4U_LOGON* kerb_certificate_su_logonPtr = (KERB_CERTIFICATE_S4U_LOGON*) handle3.DangerousGetHandle().ToPointer();
kerb_certificate_su_logonPtr->MessageType = KERB_LOGON_SUBMIT_TYPE.KerbCertificateS4ULogon;
kerb_certificate_su_logonPtr->Flags = 2;
kerb_certificate_su_logonPtr->UserPrincipalName = new UNICODE_INTPTR_STRING(0, 0, IntPtr.Zero);
kerb_certificate_su_logonPtr->DomainName = new UNICODE_INTPTR_STRING(0, 0, IntPtr.Zero);
kerb_certificate_su_logonPtr->CertificateLength = (uint) rawData.Length;
kerb_certificate_su_logonPtr->Certificate = new IntPtr(handle3.DangerousGetHandle().ToInt64() + KERB_CERTIFICATE_S4U_LOGON.Size);
Marshal.Copy(rawData, 0, kerb_certificate_su_logonPtr->Certificate, rawData.Length);
QUOTA_LIMITS quotas = new QUOTA_LIMITS();
LUID logonId = new LUID();
int subStatus = 0;
num = System.IdentityModel.NativeMethods.LsaLogonUser(lsaHandle, ref logonProcessName, System.IdentityModel.SecurityLogonType.Network, authenticationPackage, handle3.DangerousGetHandle(), (uint) cb, IntPtr.Zero, ref sourceContext, out profileBuffer, out num6, out logonId, out token, out quotas, out subStatus);
if ((num == -1073741714) && (subStatus < 0))
{
num = subStatus;
}
if (num < 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception(System.IdentityModel.NativeMethods.LsaNtStatusToWinError(num)));
}
if (subStatus < 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception(System.IdentityModel.NativeMethods.LsaNtStatusToWinError(subStatus)));
}
identity = new WindowsIdentity(token.DangerousGetHandle(), "SSL/PCT");
}
finally
{
if (token != null)
{
token.Close();
}
if (handle3 != null)
{
handle3.Close();
}
if (profileBuffer != null)
{
profileBuffer.Close();
}
if (handle != null)
{
handle.Close();
}
if (handle2 != null)
{
handle2.Close();
}
if (lsaHandle != null)
{
lsaHandle.Close();
}
}
return identity;
}
