SMB3 POSIX and deleting files with FILE_ATTRIBUTE_READONLY

[Ralph Boehme]

On 4/9/25 8:43 PM, Steve French wrote:
> On Wed, Apr 9, 2025 at 1:18 PM Ralph Boehme <slow at samba.org> wrote:
>> what should be the behavior with SMB3 POSIX when a POSIX client tries to
>> delete a file that has FILE_ATTRIBUTE_READONLY set?
>>
>> The major question that we must answer is, if this we would want to
>> allow for POSIX clients to ignore this in some way: either completely
>> ignore it on POSIX handles or first check if the handle has requested
>> and been granted WRITE_ATTRIBUTES access.
> 
> I agree that to delete a file with READ_ONLY set should by default require
> WRITE_ATTRIBUTES (and delete)

delete will be checked the usual way, so nothing special there.

> permission (better to be safe
> in restricting a potential dangerous operation).

yes, that was my thought as well.

> 
> But this is a good question ...

That's why I brought it up :)))

Thanks!
-slow


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