private static unsafe int QueryContextChannelBinding_SECUR32(SafeDeleteContext phContext, ContextAttribute contextAttribute, Bindings *buffer, SafeFreeContextBufferChannelBinding refHandle)
{
int num = -2146893055;
bool success = false;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
phContext.DangerousAddRef(ref success);
}
catch (Exception exception)
{
if (success)
{
phContext.DangerousRelease();
success = false;
}
if (!(exception is ObjectDisposedException))
{
throw;
}
}
finally
{
if (success)
{
num = UnsafeNclNativeMethods.SafeNetHandles_SECUR32.QueryContextAttributesA(ref phContext._handle, contextAttribute, (void *)buffer);
phContext.DangerousRelease();
}
if ((num == 0) && (refHandle != null))
{
refHandle.Set(buffer.pBindings);
refHandle.size = buffer.BindingsLength;
}
if ((num != 0) && (refHandle != null))
{
refHandle.SetHandleAsInvalid();
}
}
return(num);
}
private unsafe static int QueryContextChannelBinding_SECURITY(SafeDeleteContext phContext, Interop.Secur32.ContextAttribute contextAttribute, Bindings *buffer, SafeFreeContextBufferChannelBinding refHandle)
{
int status = (int)Interop.SecurityStatus.InvalidHandle;
// SCHANNEL only supports SECPKG_ATTR_ENDPOINT_BINDINGS and SECPKG_ATTR_UNIQUE_BINDINGS which
// map to our enum ChannelBindingKind.Endpoint and ChannelBindingKind.Unique.
if (contextAttribute != Interop.Secur32.ContextAttribute.EndpointBindings &&
contextAttribute != Interop.Secur32.ContextAttribute.UniqueBindings)
{
return(status);
}
try
{
bool ignore = false;
phContext.DangerousAddRef(ref ignore);
status = Interop.Secur32.QueryContextAttributesW(ref phContext._handle, contextAttribute, buffer);
}
finally
{
phContext.DangerousRelease();
}
if (status == 0 && refHandle != null)
{
refHandle.Set((*buffer).pBindings);
refHandle._size = (*buffer).BindingsLength;
}
if (status != 0 && refHandle != null)
{
refHandle.SetHandleAsInvalid();
}
return(status);
}
public static unsafe int QueryContextChannelBinding(SecurDll dll, SafeDeleteContext phContext, ContextAttribute contextAttribute, Bindings *buffer, SafeFreeContextBufferChannelBinding refHandle)
{
switch (dll)
{
case SecurDll.SECURITY:
return(QueryContextChannelBinding_SECURITY(phContext, contextAttribute, buffer, refHandle));
case SecurDll.SECUR32:
return(QueryContextChannelBinding_SECUR32(phContext, contextAttribute, buffer, refHandle));
case SecurDll.SCHANNEL:
return(QueryContextChannelBinding_SCHANNEL(phContext, contextAttribute, buffer, refHandle));
}
return(-1);
}
public unsafe static int QueryContextChannelBinding(SafeDeleteContext phContext, Interop.Secur32.ContextAttribute contextAttribute, Bindings *buffer, SafeFreeContextBufferChannelBinding refHandle)
{
return(QueryContextChannelBinding_SECURITY(phContext, contextAttribute, buffer, refHandle));
}
