Re: [sshfs] Remapping uid/gid question

[Miklos S. <mi...@sz...>]

On Tue, Feb 19, 2013 at 9:06 PM, Mike <mik...@ti...> wrote:
> On 02/18/2013 03:10 AM, Miklos Szeredi wrote:
>> On Thu, Feb 14, 2013 at 8:50 PM, Mike<mik...@ti...>  wrote:
>>> Hi,
>>>
>>>          I have an application where it would be darn conveinent to mount a
>>> remote file system locally and re-map the uid/gid. This is a temporary
>>> solution for a problem I have which will be resolved longer term by ldap
>>> and having these centrally managed.
>>>
>>>          The issue is that, on the server, the user has uid 1008 and gid 1003.
>>> On the client, that user has uid/gid 1000. I have sshfs v2.4 and have
>>> tried using the uidmap/gidmap feature and apparently I'm just not able
>>> to figure it out.
>>>
>>>          The local user name and group is simply 'vmail' and I have my
>>> uidfile/gid files set thusly:
>>>
>>> sshfs.uidmap
>>> vmail:1008
>>>
>>> sshfs.gidmap
>>> vmail:1003
>>>
>>>
>>>          Unfortunately the permissions are wrong and I can't even look at the
>>> directory when mounted this way:
>>>
>>> ls: cannot access qmail: Permission denied
>>> d?????????   ? ?    ?             ?            ? qmail


Okay, looks like the problem is that you need to have *all* user and
group IDs that might be returned by the server in the uid and gid map
files.  Otherwise the translation will fail and return EPERM.

Thanks,
Miklos