[Samba] No symlink support on SMB2 and SMB3?

[Markus Doits]

On 23.01.15 22:37, Jeremy Allison wrote:
> On Fri, Jan 23, 2015 at 10:23:15PM +0100, Markus Doits wrote:
>> On 23.01.15 22:16, Ralph Böhme wrote:
>>> On Fri, Jan 23, 2015 at 01:08:31PM -0800, Jeremy Allison wrote:
>>>> On Fri, Jan 23, 2015 at 10:05:44PM +0100, Markus Doits wrote:
>>>>> On 23.01.15 19:57, Miguel Medalha wrote:
>>>>>> I am using Samba 4.1.16 with smb2/3 and symbolic links are working alright.
>>>>>>
>>>>>> Following the smb.conf man page, I use:
>>>>>>
>>>>>> unix extensions = no
>>>>>> wide links = yes
>>>>>>
>>>>>>
>>>>> Unfortunately this still does not work for me - can you really make a
>>>>> symbolic link ("ln -s ...") when you are connected with smb2/3? Does
>>>>> "smbstatus" really show smb2/3 connection?
>>>> No you can't - the protocol doesn't support it.
>> Oh - that makes me really sad :-(
>>> iirc it does, with an IO_REPARSE_TAG_SYMLINK ioctl. We just don't
>>> implement it (yet). :)
>> So in essence this means: Stay at NT1 if you need symlinks? (And wait
>> until "IO_REPARSE_TAG_SYMLINK" is implemented?)
>>
>> Just that you know: I'm trying to have home shares on the network, and
>> sometimes users need symlinks (in some osx .apps or when installing some
>> ruby gems). I'm using samba because it should also work with OSX.
> Well there's a workaround called "Minshall/French" symlink format:
>
> https://lists.samba.org/archive/samba-technical/2014-September/102476.html
>
> that hides the symlink target inside a 'special' file. That
> should still work over SMB2, but it's tunnelling stuff inside
> the protocol, not really protocol support.
>
> It's what the Linux CIFS client uses when it has to do
> symlinks against a Windows server which doesnt' support
> the UNIX extensions.
This looks good - can I enable/force them on the server or must it be
enabled by every client explicitly by the mount option?