private static unsafe int MustRunInitializeSecurityContext(SafeFreeCredentials inCredentials, void *inContextPtr, byte *targetName, SspiContextFlags inFlags, Endianness endianness, SecurityBufferDescriptor inputBuffer, SafeDeleteContext outContext, SecurityBufferDescriptor outputBuffer, ref SspiContextFlags attributes, SafeFreeContextBuffer handleTemplate)
{
long num;
int num1 = -1;
bool flag = false;
bool flag1 = false;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
try
{
inCredentials.DangerousAddRef(ref flag);
outContext.DangerousAddRef(ref flag1);
}
catch (Exception exception1)
{
Exception exception = exception1;
if (Fx.IsFatal(exception))
{
throw;
}
if (flag)
{
inCredentials.DangerousRelease();
flag = false;
}
if (flag1)
{
outContext.DangerousRelease();
flag1 = false;
}
if (!(exception is ObjectDisposedException))
{
throw;
}
}
}
finally
{
if (!flag)
{
inCredentials = null;
}
else if (flag && flag1)
{
SSPIHandle sSPIHandle = inCredentials._handle;
num1 = SafeDeleteContext.InitializeSecurityContextW(ref sSPIHandle, inContextPtr, targetName, inFlags, 0, endianness, inputBuffer, 0, ref outContext._handle, outputBuffer, ref attributes, out num);
if (outContext._EffectiveCredential == inCredentials || ((long)num1 & (ulong)-2147483648) != (long)0)
{
inCredentials.DangerousRelease();
}
else
{
if (outContext._EffectiveCredential != null)
{
outContext._EffectiveCredential.DangerousRelease();
}
outContext._EffectiveCredential = inCredentials;
}
outContext.DangerousRelease();
if (handleTemplate != null)
{
handleTemplate.Set((*(outputBuffer.UnmanagedPointer)).token);
if (handleTemplate.IsInvalid)
{
handleTemplate.SetHandleAsInvalid();
}
}
}
if (inContextPtr == null && ((long)num1 & (ulong)-2147483648) != (long)0)
{
outContext._handle.SetToInvalid();
}
}
return(num1);
}
