Allow mediacodec to access vendor_data_file
For dumping output buffer of HDR to SDR fliter.
This patch fixes the following denial:
05-10 21:42:49.427 890 890 W HwBinder:890_4: type=1400 audit(0.0:2944): avc: denied { search } for name="data" dev="dm-41" ino=105 scontext=u:r:mediacodec_samsung:s0 tcontext=u:object_r:system_data_file:s0:c512,c768 tclass=dir permissive=0
05-10 21:42:49.499 890 890 W HwBinder:890_4: type=1400 audit(0.0:2946): avc: denied { getattr } for name="/" dev="dmabuf" ino=1 scontext=u:r:mediacodec_samsung:s0 tcontext=u:object_r:unlabeled:s0 tclass=filesystem permissive=0
05-10 21:46:27.735 885 885 W google.hardware: type=1400 audit(0.0:3198): avc: denied { search } for name="data" dev="dm-41" ino=105 scontext=u:r:mediacodec_google:s0 tcontext=u:object_r:system_data_file:s0:c512,c768 tclass=dir permissive=0
05-10 21:46:27.795 885 885 W google.hardware: type=1400 audit(0.0:3200): avc: denied { getattr } for name="/" dev="dmabuf" ino=1 scontext=u:r:mediacodec_google:s0 tcontext=u:object_r:unlabeled:s0 tclass=filesystem permissive=0
Bug: 229360116
Test: atest android.media.decoder.cts.DecoderTest
Change-Id: I11403b20e8608f50907db561b8232b1b64bea298
diff --git a/whitechapel_pro/mediacodec_google.te b/whitechapel_pro/mediacodec_google.te
index fb719b1..713255c 100644
--- a/whitechapel_pro/mediacodec_google.te
+++ b/whitechapel_pro/mediacodec_google.te
@@ -29,3 +29,8 @@
# https://android-developers.googleblog.com/2016/05/hardening-media-stack.html
neverallow mediacodec_google domain:{ udp_socket rawip_socket } *;
neverallow mediacodec_google { domain userdebug_or_eng(`-su') }:tcp_socket *;
+
+userdebug_or_eng(`
+ allow mediacodec_google vendor_media_data_file:dir rw_dir_perms;
+ allow mediacodec_google vendor_media_data_file:file create_file_perms;
+')
diff --git a/whitechapel_pro/mediacodec_samsung.te b/whitechapel_pro/mediacodec_samsung.te
index 2c5d7ed..ce05fa5 100644
--- a/whitechapel_pro/mediacodec_samsung.te
+++ b/whitechapel_pro/mediacodec_samsung.te
@@ -31,3 +31,8 @@
# https://android-developers.googleblog.com/2016/05/hardening-media-stack.html
neverallow mediacodec_samsung domain:{ udp_socket rawip_socket } *;
neverallow mediacodec_samsung { domain userdebug_or_eng(`-su') }:tcp_socket *;
+
+userdebug_or_eng(`
+ allow mediacodec_samsung vendor_media_data_file:dir rw_dir_perms;
+ allow mediacodec_samsung vendor_media_data_file:file create_file_perms;
+')
