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Date:      Thu, 30 Jul 2015 11:09:21 +0200
From:      aeuii@posteo.de
To:        Ronald Klop <ronald-lists@klop.ws>, freebsd-stable@freebsd.org
Subject:   Re: mount_msdosfs: msdosfs_iconv: Operation not permitted
Message-ID:  <86si8657we.fsf@posteo.de>
In-Reply-To: <op.x2jv4cj5kndu52@53555a16.cm-6-6b.dynamic.ziggo.nl>
References:  <86mvyen4jz.fsf@posteo.de> <op.x2jv4cj5kndu52@53555a16.cm-6-6b.dynamic.ziggo.nl>

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On Wed, Jul 29 2015, Ronald Klop <ronald-lists@klop.ws> wrote:

> I think you should make sure the msdosfs_iconv module is already loaded.
> Mount_msdosfs loads this module for you if it has the rights. That is why
> it works if root has done that ones.
>
> Add this to rc.conf and reboot:
> kld_list="msdosfs_iconv"

I had msdosfs_iconv.ko loaded through /boot/loader.conf:

msdosfs_iconv_load="YES"

(just forgotten to mention it previously)

I also verified that it's loaded with kldstat and it still doesn't work.

Were you able to reproduce the problem?

Thank you and best regards,
Stefan



> Regards,
> Ronald.
>
>
> On Wed, 29 Jul 2015 21:32:00 +0200, <aeuii@posteo.de> wrote:
>
>> Hello,
>>
>> it looks like an old issue [1,2,3], but it's bugging me.
>>
>> Generally, I'm not able to mount msdos file system as a regular user
>> with extra charset options (-L) before the superuser.  After the
>> superuser mounts (and unmounts) the file system, regular users can do it
>> to.  Below is more info about my system and the detailed steps to
>> reproduce the issue.
>>
>> Thanks for suggestions.
>> Stefan
>>
>>
>> [1] https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=109024
>> [2]
>> https://forums.freebsd.org/threads/mount_msdosfs-msdosfs_iconv-operation-not-permitted.36897/
>> [3] https://forums.freebsd.org/threads/mount_msdosfs-bug.2668/
>>
>>
>>
>> ** my system
>>
>> % uname -a
>> FreeBSD silver.local 10.1-RELEASE-p10 FreeBSD 10.1-RELEASE-p10 #0: Wed
>> May 13 06:54:13 UTC 2015
>> root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC  amd64
>>
>>
>> % locale
>> LANG=en_GB.UTF-8
>> LC_CTYPE="en_GB.UTF-8"
>> LC_COLLATE="en_GB.UTF-8"
>> LC_TIME="en_GB.UTF-8"
>> LC_NUMERIC="en_GB.UTF-8"
>> LC_MONETARY="en_GB.UTF-8"
>> LC_MESSAGES="en_GB.UTF-8"
>> LC_ALL=
>>
>>
>> % cat /etc/fstab
>> /dev/da1        /home/user/mnt/u0      msdosfs
>> rw,noauto,noexec,-L=en_GB.UTF-8,-m=600,-M=700   0       0
>> /dev/da1s1      /home/user/mnt/u1      msdosfs
>> rw,noauto,noexec,-L=en_GB.UTF-8,-m=600,-M=700   0       0
>>
>>
>> % sysctl vfs.usermount
>> vfs.usermount: 1
>>
>>
>>
>> % cat /etc/rc.conf | grep kiconv
>> kiconv_preload="YES"
>> kiconv_local_charset="UTF-8"
>> kiconv_foreign_charset="UTF-16BE UTF-8"
>> kiconv_fstypes="msdosfs"
>>
>>
>> % pkg info|grep kiconv
>> kiconvtool-0.97                Tool to preload kernel iconv charset
>> tables
>>
>>
>>
>>
>> ** initially loaded tables
>>
>> % kiconvtool -d
>> UTF-8 -> UTF-16BE
>> UTF-16BE -> UTF-8
>>
>>
>> ** try to mount as a regular user
>>
>> % mount /home/user/mnt/u1
>> mount_msdosfs: msdosfs_iconv: Operation not permitted
>>
>>
>>
>> ** mount fs as root
>>
>> # mount /home/user/mnt/u1
>> # umount /home/user/mnt/u1
>>
>>
>> ** tables after root mounted the fs
>>
>> % kiconvtool -d
>> UTF-8 -> UTF-16BE
>> UTF-16BE -> UTF-8
>> UTF-8 -> _wctype
>>
>>
>> ** now a regular user can mount too
>>
>> % mount /home/user/mnt/u1
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