Re: [PATCH] Add interface to allow relabeling of iso 9660 filesystems.

[Chris PeBenito <pebenito@xxxxxxxx>]

On 3/5/19 5:32 PM, Sugar, David wrote:
> I have a case where I'm labeling media with my own types to control
> access.  But that is requiring that I relabel from iso9660_t to my
> own type.  This interface allows that relabel.
>
> type=AVC msg=audit(1551621984.372:919): avc:  denied  { relabelfrom } for  pid=9717 comm="mount" scontext=staff_u:staff_r:mymedia_sudo_t:s0-s0:c0.c1023 tcontext=system_u:object_r:iso9660_t:s0 tclass=filesystem permissive=0
>
> Signed-off-by: Dave Sugar <dsugar@xxxxxxxxxx>
> ---
>   policy/modules/kernel/filesystem.if | 19 +++++++++++++++++++
>   1 file changed, 19 insertions(+)
>
> diff --git a/policy/modules/kernel/filesystem.if b/policy/modules/kernel/filesystem.if
> index 048b9d65..a22cb6ba 100644
> --- a/policy/modules/kernel/filesystem.if
> +++ b/policy/modules/kernel/filesystem.if
> @@ -2505,6 +2505,25 @@ interface(`fs_remount_iso9660_fs',`
>   	allow $1 iso9660_t:filesystem remount;
>   ')
>   
> +########################################
> +## <summary>
> +##	Allow changing of the label of a
> +##	filesystem with iso9660 type
> +## </summary>
> +## <param name="domain">
> +##	<summary>
> +##	Domain allowed access.
> +##	</summary>
> +## </param>
> +#
> +interface(`fs_relabelfrom_iso9660_fs',`
> +	gen_require(`
> +		type iso9660_t;
> +	')
> +
> +	allow $1 iso9660_t:filesystem relabelfrom;
> +')
> +
>   ########################################
>   ## <summary>
>   ##	Unmount an iso9660 filesystem, which

Merged.

--
Chris PeBenito