internal AceAccess(MemoryMarshaler m, bool allowed)
{
_allowed = allowed;
ACCESS_ALLOWED_ACE ace = (ACCESS_ALLOWED_ACE)m.ParseStruct(typeof(ACCESS_ALLOWED_ACE), false);
m.Advance(OffsetOfSid());
BaseInit(ace.Header, (AccessType)ace.Mask, new Sid(m.Ptr));
}
internal static Ace Create(MemoryMarshaler m)
{
IntPtr initialPtr = m.Ptr; // Save current ptr
Debug.Assert(Marshal.SizeOf(typeof(ACE_HEADER)) == 4);
ACE_HEADER head = (ACE_HEADER)m.ParseStruct(typeof(ACE_HEADER), false);
Ace ace;
switch (head.AceType)
{
case AceType.ACCESS_ALLOWED_ACE_TYPE:
ace = new AceAccessAllowed(m);
break;
case AceType.ACCESS_DENIED_ACE_TYPE:
ace = new AceAccessDenied(m);
break;
// Object ACE not yet supported
/*
* case AceType.ACCESS_ALLOWED_OBJECT_ACE_TYPE:
* ace = new AceAccessAllowedObject(m);
* break;
*
* case AceType.ACCESS_DENIED_OBJECT_ACE_TYPE:
* ace = new AceAccessDeniedObject(m);
* break;
*/
default:
throw new NotSupportedException("Unsupported ACE type: " + head.AceType);
}
// Restore initial ptr and move forward the size of the ACE
m.Ptr = initialPtr;
m.Advance(head.AceSize);
return(ace);
}
internal static Ace Create(MemoryMarshaler m)
{
IntPtr initialPtr = m.Ptr; // Save current ptr
Debug.Assert(Marshal.SizeOf(typeof(ACE_HEADER)) == 4);
ACE_HEADER head = (ACE_HEADER)m.ParseStruct(typeof(ACE_HEADER), false);
Ace ace;
switch(head.AceType)
{
case AceType.ACCESS_ALLOWED_ACE_TYPE:
ace = new AceAccessAllowed(m);
break;
case AceType.ACCESS_DENIED_ACE_TYPE:
ace = new AceAccessDenied(m);
break;
// Object ACE not yet supported
/*
case AceType.ACCESS_ALLOWED_OBJECT_ACE_TYPE:
ace = new AceAccessAllowedObject(m);
break;
case AceType.ACCESS_DENIED_OBJECT_ACE_TYPE:
ace = new AceAccessDeniedObject(m);
break;
*/
default:
throw new NotSupportedException("Unsupported ACE type: " + head.AceType);
}
// Restore initial ptr and move forward the size of the ACE
m.Ptr = initialPtr;
m.Advance(head.AceSize);
return ace;
}