Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 09 Feb 2006 19:46:25 +0100
From:      martinko <martinkov@pobox.sk>
To:        freebsd-stable@freebsd.org
Subject:   Re: Trouble with mounting USB stick as user
Message-ID:  <dsg2m1$ct5$1@sea.gmane.org>
In-Reply-To: <200602082003.k18K3ZQJ077077@lurza.secnetix.de>
References:  <dsdfe8$1sd$1@sea.gmane.org> <200602082003.k18K3ZQJ077077@lurza.secnetix.de>

next in thread | previous in thread | raw e-mail | index | archive | help
Oliver Fromme wrote:
> martinko <martinkov@pobox.sk> wrote:
>  > Oliver Fromme wrote:
>  > > martinko wrote:
>  > > > Oliver Fromme wrote:
>  > > > > To enable user mounts, there are three conditions:
>  > > > > 1.  sysctl vfs.usermount=1
>  > > > > 2.  The user must have read+write permission on the device
>  > > > >     which is to be mounted.  This is usually accomplished
>  > > > >     by creating a special group for this device.
>  > > > > 3.  The user must _own_ the mountpoint (r/w permission is
>  > > > >     not sufficient).
>  > > > 
>  > > > [...]
>  > > > $ ll /dev/ad0
>  > > > crw-r-----  1 root  operator    0,  96 Feb  8 18:27 /dev/ad0
>  > > 
>  > > Condition #2 isn't met:  The device must be "rw" for for
>  > > the user (in this case for the operator group).  Note
>  > > that "r" is not sufficient, even for read-only mounts.
>  > 
>  > sure. but why did it mount /usr/home/mato/mnt/dos then ??
> 
> Maybe /dev/ad0s1 had different permissions?
> 
> Best regards
>    Oliver
> 


oliver,

i don't know how or why but it works here even w/o "w"-permission for
the user (group) :

[mb-aw1n-bsd][mato][~]
$ id
uid=1001(mato) gid=1001(mato) groups=1001(mato), 0(wheel), 5(operator)
[mb-aw1n-bsd][mato][~]
$ ll /dev/ad0*
crw-r-----  1 root  operator    0,  96 Feb  9 19:32 /dev/ad0
crw-r-----  1 root  operator    0,  97 Feb  9 19:32 /dev/ad0s1
crw-r-----  1 root  operator    0,  98 Feb  9 19:32 /dev/ad0s2
crw-r-----  1 root  operator    0,  99 Feb  9 19:32 /dev/ad0s3
crw-r-----  1 root  operator    0, 101 Feb  9 20:32 /dev/ad0s3a
crw-r-----  1 root  operator    0, 102 Feb  9 20:32 /dev/ad0s3b
crw-r-----  1 root  operator    0, 103 Feb  9 19:32 /dev/ad0s3c
crw-r-----  1 root  operator    0, 104 Feb  9 20:32 /dev/ad0s3d
crw-r-----  1 root  operator    0, 105 Feb  9 20:32 /dev/ad0s3e
crw-r-----  1 root  operator    0, 106 Feb  9 20:32 /dev/ad0s3f
crw-r-----  1 root  operator    0, 100 Feb  9 19:32 /dev/ad0s4
crw-r-----  1 root  operator    0, 107 Feb  9 19:32 /dev/ad0s5
crw-r-----  1 root  operator    0, 108 Feb  9 19:32 /dev/ad0s6
crw-r-----  1 root  operator    0, 109 Feb  9 19:32 /dev/ad0s7
crw-r-----  1 root  operator    0, 110 Feb  9 19:32 /dev/ad0s8
[mb-aw1n-bsd][mato][~]
$ mount /usr/home/mato/mnt/win/
[mb-aw1n-bsd][mato][~]
$ mount /usr/home/mato/mnt/lin/
[mb-aw1n-bsd][mato][~]
$ mount /usr/home/mato/mnt/fat/
mount_msdosfs: msdosfs_iconv: Operation not permitted
[mb-aw1n-bsd][mato][~]
$ mount /usr/home/mato/mnt/dos/
[mb-aw1n-bsd][mato][~]
$ ll mnt/
total 40
drwxr-x---   2 mato  mato     512 Dec 11 20:44 cdrom
drwxr-x---   1 mato  mato   16384 Jan  1  1980 dos
drwxr-x---   2 mato  mato     512 Dec 11 20:44 fat
drwxr-xr-x  19 root  wheel   4096 Feb  4 21:32 lin
drwxr-x---   1 mato  mato       0 Apr 22  2009 win
[mb-aw1n-bsd][mato][~]
$

pls note that the one that failed also fails with "w" set, as shown in
other thread. (?)

m.




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?dsg2m1$ct5$1>