[yocto] [PATCH v2][meta-selinux] udev: restorecon /run to allow mdadm creating /run/mdadm

[wenzong fan]

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On 03/23/2015 03:40 PM, wenzong.fan at windriver.com wrote:
> From: Wenzong Fan <wenzong.fan at windriver.com>
>
> This change bases on the factors during bootup:
>
> a. the default type for /run is var_run_t;
> b. the type for /run will be changed to tmpfs_t after tmpfs mounted;
> c. the type for /run will be fixed after populate-volatile.sh run.
>
> udev service is started in b->c period, fix the type for /run from
> udev init script to remove:
>
>    avc: denied { write } for pid=294 comm="mdadm" \
>    name="/" dev="tmpfs" ino=10581 \
>    scontext=system_u:system_r:mdadm_t:s0-s15:c0.c1023 \
>    tcontext=system_u:object_r:tmpfs_t:s0 tclass=dir
>
> Signed-off-by: Wenzong Fan <wenzong.fan at windriver.com>
> ---
>   recipes-core/udev/udev/init | 3 +++
>   1 file changed, 3 insertions(+)
>
> diff --git a/recipes-core/udev/udev/init b/recipes-core/udev/udev/init
> index 66359f2..bb8b95b 100644
> --- a/recipes-core/udev/udev/init
> +++ b/recipes-core/udev/udev/init
> @@ -61,6 +61,9 @@ case "$1" in
>       # /var/volatile/tmp directory to be available.
>       mkdir -p /var/volatile/tmp
>
> +    # restorecon /run early to allow mdadm creating dir /run/mdadm
> +    test ! -x /sbin/restorecon || /sbin/restorecon -F /run
> +
>       # Cache handling.
>       # A list of files which are used as a criteria to judge whether the udev cache could be reused.
>       CMP_FILE_LIST="/proc/version /proc/cmdline /proc/devices /proc/atags"
>