internal void GetIndirectHandleAttribute(AlpcHandleMessageAttribute attribute, NtAlpc port, AlpcMessage message)
{
// Indirect handle attributes need to be queried from the port.
var attr = GetAttribute <AlpcHandleAttrIndirect>(AlpcMessageAttributeFlags.Handle).Result;
attribute.SetHandles(Enumerable.Range(0, attr.HandleCount).Select(i => port.GetHandleInformation(message, i)));
}
internal void GetHandleAttribute(AlpcHandleMessageAttribute attribute, NtAlpc port, AlpcMessage message)
{
var attr = GetAttribute <AlpcHandleAttr>(AlpcMessageAttributeFlags.Handle).Result;
if ((attr.Flags & AlpcHandleAttrFlags.Indirect) == AlpcHandleAttrFlags.Indirect)
{
if (port == null || message == null)
{
throw new ArgumentException("Can't rebuild indirect handle attribute without port and message");
}
GetIndirectHandleAttribute(attribute, port, message);
}
else if (attr.Handle != IntPtr.Zero)
{
attribute.SetHandles(new AlpcHandleMessageAttributeEntry[] { new AlpcHandleMessageAttributeEntry(attr) });
}
else
{
attribute.SetHandles(new AlpcHandleMessageAttributeEntry[0]);
}
}