On 2015/9/11 5:13, Stephen Smalley wrote:
> On 09/08/2015 05:34 AM, weiyuan wrote:
>> Dear All:
>>
>> On Android 6.0,
>>
>> I have a file "/sys/class/leds/red/brightness" under /sys, its parent
>> directory is a symlink.
>>
>> "u:object_r:sysfs:s0 red ->
>> ../../devices/fff34000.pmic/pmic_led.118/leds/red"
>> "u:object_r:sysfs:s0 brightness"
>>
>> I notice that there is a patch "restorecon: only operate on canonical
>> paths.",
>> so I add some logs like "--SELINUX--:" in the function
>> "selinux_android_restorecon_common", then I runs some tests.
>>
>> -----------test A.-----------
>>
>> file_contexts:
>> "/sys/class/leds/red/brightness u:object_r:sysfs_led:s0"
>
> Could you just replace this entry with one like this:
>
> /sys/devices/.*/leds/red/brightness u:object_r:sysfs_led:s0
>
> Then the existing restorecon_recursive("/sys") by init would label it
> correctly and you wouldn't need to restorecon it from your
> init.<board>.rc file.
>
>
>
This approach is worked.
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