[kwlug-disc] mount changes mount point (dir) permissions to root, root - how to affect?

[unsolicited]

Such options affect the ownership of the files under the mount point, 
not the mount point itself - or so is my experience / understanding.

oid and gid are set in my mount, and the files under the mount point are 
certainly affected, but the mount point itself is still root/root, o=x, 
and the same user cannot list the files in the file system.

I assume my experience is normal (I'm missing some salient point), if 
your experience is different or that's not normal, I would sure 
appreciate a heads up.

On 13-11-25 09:17 PM, Chris Craig wrote:
> Maybe something like this would work:
> mount ... -o gid=users
>
> The mount options specified with "-o" certainly affect the mount point...
>
> It's generally the permissions of the device being mounted that take
> effect, not the mount point. Umask does take effect, but if it's more
> permissive than the device permissions then it won't be noticed. You
> can add ",umask=000" to the mount "-o" option if you find it does
> cause a problem.
>
> On 25 November 2013 16:22, unsolicited <unsolicited at swiz.ca> wrote:
>> If I mount something from the command line (win share at this point), the
>> owner/group on the dir, e.g. /mnt/here, change from what was set, to
>> root/root, and a non-root user can't get past it (I think), to the files
>> below it. (I say I think because I can set owner/group however I want, but
>> since it goes to root/root, and I'm not root at use point, "a non-root user
>> can't get past it (I think)"
>>
>> What (prep) do I need to set before mounting so instead of root/root it
>> stays something useful, like root/users. (Yes, that assumes users and
>> permission are set up reasonably.)
>>
>> Also, chown after mounting is ineffective - permission denied, even as root.
>>
>> I'm missing some element, and Google fu not working for me here -
>> suggestions?
>>
>> e.g.
>>
>> Before: drwxrwsr-x  2 me   users ... x
>>   After: drwxrwx--x  1 root root  ... x
>>
>> I'd be ok with this, if but the group were still users.
>>
>> To contrast, mkdir and touch (as root) result in:
>>
>> drwxrwsr-x  2 root users ... newdir/
>> -rw-rw-r--  1 root users ... newfile
>>
>> Note: Sorry, don't mean to be rude, but a lot of non-answers searching
>> google, burying what I'm looking for.
>> - there is no fstab entry, nor do I wish there to be, for this one off.
>> Therefore I have to be root to mount anything.
>> - the mount options are not germane, they apply to the files under the
>> mountpoint (which are fine), not to the mountpoint itself.
>> - not interested in alternate solutions, e.g. gvfs, nor mounting anywhere
>> other than under /mnt. Looking to find out what basic fact I'm missing about
>> mounting this way.
>>
>> umask doesn't seem to be in play. (Correct me if I'm wrong, please.)
>>
>> There is no umask equivalent for directories - such stem from umask. [Not
>> that that is even germane, here.]  (Correct me if I'm wrong, please.)
>>
>> Setting 777 on the  directory, before mount, is ok? (Not that it gets me
>> anywhere.) Since mount options set file permissions for stuff under the
>> mountpoint? [Except, I would have thought o+x would let me traverse it to
>> the point where those mount option file permissions would take effect - at
>> this point, I can't even get (read) to the mount point in konqueror as the
>> user.]
>>
>>
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>
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