Samba: Difference between revisions

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To mount a samba share as a regular user (i.e. without sudo), the following conditions must be met:
To mount a samba share as a regular user (i.e. without sudo), the following conditions must be met:
* <code>/bin/mount</code>, <code>/bin/umount</code>, <code>/sbin/mount.cifs</code>, <code>/sbin/umount.cifs</code> must be '''setuid''' (<code>sudo chmod +s ...</code>)
* <code>/bin/mount</code>, <code>/bin/umount</code>, <code>/sbin/mount.cifs</code>, <code>/sbin/umount.cifs</code> must be '''setuid''' (<code>sudo chmod +s ...</code>)
* share point must be owned by the user (<code>chown username mountpoint</code>).
* share point must be '''owned by the user''' (<code>chown username mountpoint</code>).
** May be optional, but does not hurt, set group of mount point to '''sambashare''', and verify that the user is in that group
** May be optional, but does not hurt, set group of mount point to '''sambashare''', and verify that the user is in that group
* mount spec in '''fstab''' must contain the option '''users''' (or '''user''').
* mount spec in '''fstab''' must contain the option '''user''' (or '''users''' to let any user unmount).
** It seems that option '''suid''' should be present as well, but does not seem to do anything good to me.
** It seems that option '''suid''' should be present as well, but does not seem to do anything good to me.
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Revision as of 12:34, 28 February 2010

References

Packages

In Ubuntu, install the packages samba and smbfs.

Samba Client

  • To mount a samba share in Linux (see [1]):
$ mkdir -p /windows/winshare
$ mount -t cifs //winmachine/testshare /windows/winshare
$ mount -t cifs -o username=user,password=secret //winmachine/testshare /windows/winshare
$ sudo mount -t cifs -o username=baddreams,allow_utime=22,umask=002,uid=1000,gid=124 //phoenix/D$ /net/phoenix/d
  • Or make it an entry in /etc/fstab. Note that gid=124 refers to group sambashare.
//mnemosyne/backup /net/mnemosyne/backuprw	cifs	username=backup,allow_utime=22,umask=002,uid=999,gid=124

Mount as User

To mount a samba share as a regular user (i.e. without sudo), the following conditions must be met:

  • /bin/mount, /bin/umount, /sbin/mount.cifs, /sbin/umount.cifs must be setuid (sudo chmod +s ...)
  • share point must be owned by the user (chown username mountpoint).
    • May be optional, but does not hurt, set group of mount point to sambashare, and verify that the user is in that group
  • mount spec in fstab must contain the option user (or users to let any user unmount).
    • It seems that option suid should be present as well, but does not seem to do anything good to me.
//mnemosyne/public /net/mnemosyne/publicrw	cifs	noauto,users,guest,allow_utime=22,umask=002	0 0
//mnemosyne/public /net/mnemosyne/public	cifs	noauto,users,ro,guest,allow_utime=22,umask=002,suid 	0 0