[syslinux] PXE Error Reporting

[H. Peter Anvin]

On 01/20/2015 01:01 PM, Gene Cumm wrote:
> On Tue, Jan 20, 2015 at 3:55 PM, H. Peter Anvin <hpa at zytor.com> wrote:
>> On 01/20/2015 12:17 PM, Andreas Gruenbacher wrote:
>>> On 01/20/2015 09:13 PM, H. Peter Anvin wrote:
>>>> I can't remember, but I have a vague recollection that someone
>>>> specifically requested that EACCES be treated the same as ENOENT...
>>>
>>> If that is really necessary then please don't report that condition as
>>> "file not found"; it's really misleading.
>>
>> That is, however, the whole point -- the existence of a inaccessible
>> file should not be visible to the client.
>>
>> This is apparently a security requirement in some environments.
> 
> To me, this feels better either left as-is or implemented as a
> configuration variable with the default of returning ENOENT but
> allowing the tftpd to return EACCES if the system administrator feels
> the benefits outweigh the risks.
> 

Yes, we can make this an option.

	-hpa