private protected NtResult <O> ReOpen <O, X>(NtObjectWithDuplicate <O, X> obj) where O : NtObject where X : Enum
{
AccessMask mask = GenericAccessRights.MaximumAllowed;
using (var o = obj.ReOpen(mask.ToSpecificAccess <X>(), false))
{
if (o.IsSuccess)
{
return(o.Map(x => (O)x.DuplicateObject()));
}
}
AccessMask granted_mask = 0;
AccessMask valid_access = obj.NtType.ValidAccess;
uint test_mask = 1;
while (test_mask < 0x00200000)
{
if (valid_access.IsAccessGranted(test_mask))
{
mask = test_mask;
using (var o = obj.ReOpen(mask.ToSpecificAccess <X>(), false))
{
if (o.IsSuccess)
{
granted_mask |= test_mask;
}
}
}
test_mask <<= 1;
}
if (granted_mask.IsEmpty)
{
return(NtResult <O> .CreateResultFromError(NtStatus.STATUS_ACCESS_DENIED, false));
}
return(obj.ReOpen(granted_mask.ToSpecificAccess <X>(), false));
}
private protected NtResult <SecurityDescriptor> GetSecurityDescriptorReOpen <O, X>(NtObjectWithDuplicate <O, X> obj) where O : NtObject where X : Enum
{
AccessMask desired_access = GenericAccessRights.ReadControl;
if (HasSecurityPrivilege())
{
desired_access |= GenericAccessRights.AccessSystemSecurity;
}
using (var o = obj.ReOpen(desired_access.ToSpecificAccess <X>(), false))
{
if (o.IsSuccess)
{
return(GetSecurityDescriptor(o.Result));
}
}
return(GetSecurityDescriptor(obj));
}