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From: Kurt R. <ko...@ch...> - 2006-11-30 01:19:47
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from /etc/fstab: /dev/hde3 /media/i ntfs-3g defaults,locale=en_US.utf8,uid=0,gid=1002,umask=0007 0 0 /dev/hde5 /media/f vfat rw,uid=0,gid=1002,umask=0007 0 0 >From /etc/group: mounts::1002:koder Problem: friends@xenon:/media/i$ groups friends audio video friends@xenon:/media$ ls -l drwxrwx--- 1 root mounts 12288 2006-11-23 17:33 i drwxrwx--- 2 root mounts 4096 2006-11-29 18:46 test friends@xenon:/media$ cd test bash: cd: test: Permission denied friends@xenon:/media$ cd i friends@xenon:/media/i$ >From the cd onward, user 'friends' (group NOT mounts) can read and write to the 'i' ntfs-3g mount freely (even though he shouldn't be able to do so), thus defying the 0007 mount option (which translates to 0770 in 'chmod' octals). The 'defaults' option doesn't make a difference either. root@xenon:/etc# uname -a Linux xenon 2.6.17-10-generic #2 SMP Fri Oct 13 18:45:35 UTC 2006 i686 GNU/Linux It's unlikely that it's a kernel issue, as the permissions work fine for the vfat mount. It's the 2006.09.20 build for debian (well ubuntu actually), but since there wasn't mention of fixing the umask option on anything after 9/20 in the changelog, I'm simply assuming it wasn't fixed or was broken starting with the 9/20 release's mention of a umask fix. Please smack me and correct me if I'm definitively wrong and this is old news. Thanks for looking into it =) -Kurt |
