On 03/05/2014 02:11 PM, Tai Nguyen (tainguye) wrote:
> All,
>
> When I take the screen snapshot by pressing power button and volume down
> button. The image is not save correctly because
>
> audit(1394045168.562:4): avc: denied { write } for pid=6267
> comm=4173796E635461736B202331
> path="/storage/sdcard0/Pictures/Screenshots/Screenshot_2014-03-05-13-46-08.png"
> dev=fuse ino=1080366384 scontext=u:r:system_app:s0
> tcontext=u:object_r:sdcard_internal:s0 tclass=file
>
> I only see the rule to grant system_app for sdcard_type:dir, but not file, in
> system_app.te
>
>
> # Settings app reads sdcard for storage stats
>
> allow system_app sdcard_type:dir r_dir_perms;
>
> It seems we need to add
> Allow system_app sdcard_type:file create_file_perms
>
> Not sure why I don’t see the audit message for create operation. We do have
> these rules for platform_app though
>
> platform_app.te:allow platformappdomain sdcard_type:dir create_dir_perms;
>
> platform_app.te:allow platformappdomain sdcard_type:file create_file_perms;
Why is that app running in system_app (i.e. why it is running with the
system UID)? ps -Z output would be interesting.
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