Don't open appfuse files in apps. am: 7ae1d237 am: f702933a

am: 4b7c1d52

Change-Id: Ib4ea82b1433d88ddcc1b977b35cab3d1cc4d1500

public/app.te

@@ -252,8 +252,7 @@ allow { appdomain -isolated_app } hal_graphics_allocator:fd use;
 allow appdomain proc_meminfo:file r_file_perms;
 
 # For app fuse.
-allow appdomain app_fuse_file:dir rw_dir_perms;
-allow appdomain app_fuse_file:file rw_file_perms;
+allow appdomain app_fuse_file:file { getattr read append write };
 
 ###
 ### CTS-specific rules

public/system_server.te

@@ -559,6 +559,8 @@ userdebug_or_eng(`
 # For AppFuse.
 allow system_server vold:fd use;
 allow system_server fuse_device:chr_file { read write ioctl getattr };
+allow system_server app_fuse_file:dir rw_dir_perms;
+allow system_server app_fuse_file:file { read write open getattr append };
 
 # For configuring sdcardfs
 allow system_server configfs:dir { create_dir_perms };