Trouble with mounting USB stick as user
martinko
martinkov at pobox.sk
Thu Feb 9 10:23:37 PST 2006
martinko wrote:
> Raaf wrote:
>
>
>>martinko wrote:
>>
>>
>>
>>>Jorge Aldana wrote:
>>>
>>>
>>>
>>>>Yea, your permissions are off, need rw on them as well.
>>>>
>>>>I caught this thread and the 3 steps do it nicely! You may need to
>>>>logoff and back on to get the group change going for your username
>>>>though, well I did.
>>>>
>>>>I caught the devfs setting but does anyone have one already set? It
>>>>should go in the rc.conf under /etc (I just want a ruleset or need one
>>>>if one is readily avaialble)
>>>>
>>>>
>>>>
>>>>
>>>>>revfs_system_ruleset="mydevfsrules"
>>>>>
>>>>>
>>>>
>>>>Jorge
>>>>
>>>>On Wed, 8 Feb 2006, martinko wrote:
>>>>
>>>>
>>>>
>>>>
>>>>>Oliver Fromme wrote:
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>martinko <martinkov at 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?
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>$ ls -la /dev/ad0*
>>>>>crw-r----- 1 root operator 0, 96 Feb 8 18:27 /dev/ad0
>>>>>crw-r----- 1 root operator 0, 97 Feb 8 18:27 /dev/ad0s1
>>>>>crw-r----- 1 root operator 0, 98 Feb 8 18:27 /dev/ad0s2
>>>>>crw-r----- 1 root operator 0, 99 Feb 8 18:27 /dev/ad0s3
>>>>>crw-r----- 1 root operator 0, 101 Feb 8 19:27 /dev/ad0s3a
>>>>>crw-r----- 1 root operator 0, 102 Feb 8 19:27 /dev/ad0s3b
>>>>>crw-r----- 1 root operator 0, 103 Feb 8 18:27 /dev/ad0s3c
>>>>>crw-r----- 1 root operator 0, 104 Feb 8 19:27 /dev/ad0s3d
>>>>>crw-r----- 1 root operator 0, 105 Feb 8 19:27 /dev/ad0s3e
>>>>>crw-r----- 1 root operator 0, 106 Feb 8 19:27 /dev/ad0s3f
>>>>>crw-r----- 1 root operator 0, 100 Feb 8 18:27 /dev/ad0s4
>>>>>crw-r----- 1 root operator 0, 107 Feb 8 18:27 /dev/ad0s5
>>>>>crw-r----- 1 root operator 0, 108 Feb 8 18:27 /dev/ad0s6
>>>>>crw-r----- 1 root operator 0, 109 Feb 8 18:27 /dev/ad0s7
>>>>>crw-r----- 1 root operator 0, 110 Feb 8 18:27 /dev/ad0s8
>>>>>
>>>>>
>>>>>
>>>
>>>ok, once again and with the righteous permissions..
>>>
>>>
>>>[mb-aw1n-bsd][mato][~]
>>>$ id
>>>uid=1001(mato) gid=1001(mato) groups=1001(mato), 0(wheel), 5(operator)
>>>[mb-aw1n-bsd][mato][~]
>>>$ sysctl vfs.usermount
>>>vfs.usermount: 1
>>>[mb-aw1n-bsd][mato][~]
>>>$ ll mnt/
>>>total 10
>>>drwxr-x--- 2 mato mato 512 Dec 11 20:44 cdrom
>>>drwxr-x--- 2 mato mato 512 Dec 11 20:44 dos
>>>drwxr-x--- 2 mato mato 512 Dec 11 20:44 fat
>>>drwxr-x--- 2 mato mato 512 Dec 11 20:44 lin
>>>drwxr-x--- 2 mato mato 512 Dec 11 20:44 win
>>>[mb-aw1n-bsd][mato][~]
>>>$ grep "/mato" /etc/fstab
>>>/dev/acd0 /usr/home/mato/mnt/cdrom cd9660 ro,noauto
>>>0 0
>>>/dev/ad0s1 /usr/home/mato/mnt/dos msdosfs ro,noauto 0 0
>>>/dev/ad0s5 /usr/home/mato/mnt/fat msdosfs
>>>ro,noatime,noauto,-Lsk_SK.ISO8859-2 0 0
>>>/dev/ad0s6 /usr/home/mato/mnt/win ntfs ro,noauto 0 0
>>>/dev/ad0s7 /usr/home/mato/mnt/lin ext2fs ro,noauto 0 0
>>>[mb-aw1n-bsd][mato][~]
>>>$ ll /dev/ad0*
>>>crw-rw---- 1 root operator 0, 96 Feb 8 22:50 /dev/ad0
>>>crw-rw---- 1 root operator 0, 97 Feb 8 22:50 /dev/ad0s1
>>>crw-rw---- 1 root operator 0, 98 Feb 8 22:50 /dev/ad0s2
>>>crw-rw---- 1 root operator 0, 99 Feb 8 22:50 /dev/ad0s3
>>>crw-rw---- 1 root operator 0, 101 Feb 8 23:50 /dev/ad0s3a
>>>crw-rw---- 1 root operator 0, 102 Feb 8 23:50 /dev/ad0s3b
>>>crw-rw---- 1 root operator 0, 103 Feb 8 22:50 /dev/ad0s3c
>>>crw-rw---- 1 root operator 0, 104 Feb 8 23:50 /dev/ad0s3d
>>>crw-rw---- 1 root operator 0, 105 Feb 8 23:50 /dev/ad0s3e
>>>crw-rw---- 1 root operator 0, 106 Feb 8 23:50 /dev/ad0s3f
>>>crw-rw---- 1 root operator 0, 100 Feb 8 22:50 /dev/ad0s4
>>>crw-rw---- 1 root operator 0, 107 Feb 8 22:50 /dev/ad0s5
>>>crw-rw---- 1 root operator 0, 108 Feb 8 22:50 /dev/ad0s6
>>>crw-rw---- 1 root operator 0, 109 Feb 8 22:50 /dev/ad0s7
>>>crw-rw---- 1 root operator 0, 110 Feb 8 22:50 /dev/ad0s8
>>>[mb-aw1n-bsd][mato][~]
>>>$ mount /usr/home/mato/mnt/win/
>>>mount_ntfs: /dev/ad0s6: Operation not permitted
>>>[mb-aw1n-bsd][mato][~]
>>>$ mount /usr/home/mato/mnt/lin/
>>>mount_ext2fs: /dev/ad0s7: Operation not permitted
>>>[mb-aw1n-bsd][mato][~]
>>>$ mount /usr/home/mato/mnt/fat/
>>>mount_msdosfs: cannot find or load "msdosfs_iconv" kernel module
>>>mount_msdosfs: msdosfs_iconv: Operation not permitted
>>>[mb-aw1n-bsd][mato][~]
>>>$ mount /usr/home/mato/mnt/dos/
>>>[mb-aw1n-bsd][mato][~]
>>>$
>>>
>>>
>>>as you can see, the results are the same as before -- only the last
>>>mount point got mounted. (why?)
>>>permissions were set via /etc/devfs.conf and system rebooted:
>>>perm ad0* 0660
>>>
>>>any hint or idea what might be wrong pls ??
>>>
>>>
>>>
>>
>>My guess is that you haven't added support for those other
>>filesystems in your kernel and it's trying to kldload those
>>modules but fails because you are not root.
>>
>>
>>
>>
>>
>>
>>
>
>
> yeah, that sounds very reasonable (even though i would expect something
> like that to happen somehow automagically) ... anyway, i'll have a look
> at it tmrw or so.. thanks!
>
> m.
confirmed. almost. all but one mounted. please see below and comment ...
/everything setup as before/above/
[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][~]
$ kldstat
Id Refs Address Size Name
1 30 0xc0400000 459d90 kernel
3 1 0xc085c000 56c8 vesa.ko
4 1 0xc0862000 cbe4 ntfs.ko
...
13 1 0xc0943000 4ec8 atapicam.ko
14 1 0xc0948000 1e78 msdosfs_iconv.ko
15 2 0xc094a000 49f4 libiconv.ko
16 1 0xc094f000 103f4 ext2fs.ko
[mb-aw1n-bsd][mato][~]
$
all necessary modules seem to be loaded so why is it still failing ??
martin
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