Re: mount: can not restrict mode of iso9660 files

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On Thursday 17 January 2008, Ilya N. Golubev wrote:
> With my system, with `kernel-2.6.17-1.2142_FC4', `glibc-2.3.6-3',
> `e2fsprogs-1.37-4', the command:
>
> ./mount -nv -t iso9660 -o ro,norock,mode=0400,uid=ID_OF_REGULAR_USER DEVICE
> DIR
>
> yielded the same results: `mode=' is honored in permissions of regular
> files and ignored in ones of directories, leaving the latter too wide.
> Agree that should clarify initial bug report this way.  And it may be
> inacceptable to let anyone read (or even search) mounted directories
> for exactly the same reasons that call for not permitting to read file
> data.

this is a kernel issue then i think.  mount just passes your arguments to the 
kernel.  this dir/file difference is already reflected in the manpage where 
it says "mode" affects only files.

you should file a bug in the kernel bugzilla:
http://bugzilla.kernel.org/
-mike

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