Move ephemeral_app to appdomain am: 5c566d1a

am: fcd801ca

Change-Id: Ic460877764352586ced6825b3f7f615ae5317592

private/ephemeral_app.te

@@ -12,95 +12,21 @@
 ### PackageManager flags an app as ephemeral at install time.
 
 net_domain(ephemeral_app)
-
-# Define and allow access to our own type for ashmem regions.
-# Label ashmem objects with our own unique type.
-tmpfs_domain(ephemeral_app)
-
-# TODO: deal with tmpfs_domain pub/priv split properly
-# Map with PROT_EXEC.
-allow ephemeral_app ephemeral_app_tmpfs:file execute;
-
-# allow JITing
-allow ephemeral_app self:process execmem;
-allow ephemeral_app ashmem_device:chr_file execute;
-
-# Send logcat messages to logd.
-write_logd(ephemeral_app)
-
-# Receive and use open file descriptors inherited from zygote.
-allow ephemeral_app zygote:fd use;
-
-# Notify zygote of death;
-allow ephemeral_app zygote:process sigchld;
-
-# application inherit logd write socket (urge is to deprecate this long term)
-allow ephemeral_app zygote:unix_dgram_socket write;
-
-# Read system properties managed by zygote.
-allow ephemeral_app zygote_tmpfs:file read;
+app_domain(ephemeral_app)
 
 # App sandbox file accesses.
 allow ephemeral_app ephemeral_data_file:dir create_dir_perms;
 allow ephemeral_app ephemeral_data_file:{ file sock_file fifo_file } create_file_perms;
 
-# Keychain and user-trusted credentials
-r_dir_file(ephemeral_app, keychain_data_file)
-allow ephemeral_app misc_user_data_file:dir r_dir_perms;
-allow ephemeral_app misc_user_data_file:file r_file_perms;
-
 # Allow apps to read/execute installed binaries
-allow ephemeral_app ephemeral_apk_data_file:dir search;
+allow ephemeral_app ephemeral_apk_data_file:dir r_dir_perms;
 allow ephemeral_app ephemeral_apk_data_file:file { r_file_perms execute };
 
-# For art.
-allow ephemeral_app dalvikcache_data_file:file { execute r_file_perms };
-allow ephemeral_app dalvikcache_data_file:lnk_file r_file_perms;
-allow ephemeral_app dalvikcache_data_file:dir getattr;
-
-# Grant GPU access. ephemeral_app needs that to render the standard UI.
-allow ephemeral_app gpu_device:chr_file rw_file_perms;
-
-# Use the Binder.
-binder_use(ephemeral_app)
-# Perform binder IPC to binder services.
-binder_call(ephemeral_app, surfaceflinger)
-binder_call(ephemeral_app, system_server)
-# Perform binder IPC to apps.
-binder_call(ephemeral_app, appdomain)
-
-# Allow read access to ion memory allocation device
-allow ephemeral_app ion_device:chr_file { read open };
-
-# Use pipes and sockets provided by system_server via binder or local socket.
-allow ephemeral_app system_server:fifo_file rw_file_perms;
-allow ephemeral_app system_server:unix_stream_socket { read write setopt getattr getopt shutdown };
-allow ephemeral_app system_server:tcp_socket { read write getattr getopt shutdown };
-
-# Inherit or receive open files from system_server.
-allow ephemeral_app system_server:fd use;
-
-# Communicate with surfaceflinger.
-allow ephemeral_app surfaceflinger:unix_stream_socket { read write setopt getattr getopt shutdown };
-
-# Read files already opened under /data.
-allow ephemeral_app system_data_file:file { getattr read };
-allow ephemeral_app system_data_file:lnk_file read;
-
-# System file accesses. Check for libraries
-allow ephemeral_app system_file:dir getattr;
-
 # services
-allow ephemeral_app accessibility_service:service_manager find;
-allow ephemeral_app activity_service:service_manager find;
-allow ephemeral_app assetatlas_service:service_manager find;
-allow ephemeral_app connectivity_service:service_manager find;
-allow ephemeral_app display_service:service_manager find;
-allow ephemeral_app graphicsstats_service:service_manager find;
-allow ephemeral_app input_method_service:service_manager find;
-allow ephemeral_app input_service:service_manager find;
 allow ephemeral_app surfaceflinger_service:service_manager find;
-allow ephemeral_app textservices_service:service_manager find;
+allow ephemeral_app radio_service:service_manager find;
+# TODO: Replace app_api_service with a smaller ephemeral_api_service
+allow ephemeral_app app_api_service:service_manager find;
 
 ###
 ### neverallow rules

public/app.te

@@ -180,20 +180,20 @@ allow { appdomain -isolated_app } radio_data_file:file { read write getattr };
 
 # Allow access to external storage; we have several visible mount points under /storage
 # and symlinks to primary storage at places like /storage/sdcard0 and /mnt/user/0/primary
-allow { appdomain -isolated_app } storage_file:dir r_dir_perms;
-allow { appdomain -isolated_app } storage_file:lnk_file r_file_perms;
-allow { appdomain -isolated_app } mnt_user_file:dir r_dir_perms;
-allow { appdomain -isolated_app } mnt_user_file:lnk_file r_file_perms;
+allow { appdomain -isolated_app -ephemeral_app } storage_file:dir r_dir_perms;
+allow { appdomain -isolated_app -ephemeral_app } storage_file:lnk_file r_file_perms;
+allow { appdomain -isolated_app -ephemeral_app } mnt_user_file:dir r_dir_perms;
+allow { appdomain -isolated_app -ephemeral_app } mnt_user_file:lnk_file r_file_perms;
 
 # Read/write visible storage
-allow { appdomain -isolated_app } fuse:dir create_dir_perms;
-allow { appdomain -isolated_app } fuse:file create_file_perms;
-allow { appdomain -isolated_app } sdcardfs:dir create_dir_perms;
-allow { appdomain -isolated_app } sdcardfs:file create_file_perms;
+allow { appdomain -isolated_app -ephemeral_app } fuse:dir create_dir_perms;
+allow { appdomain -isolated_app -ephemeral_app } fuse:file create_file_perms;
+allow { appdomain -isolated_app -ephemeral_app } sdcardfs:dir create_dir_perms;
+allow { appdomain -isolated_app -ephemeral_app } sdcardfs:file create_file_perms;
 # This should be removed if sdcardfs is modified to alter the secontext for its
 # accesses to the underlying FS.
-allow { appdomain -isolated_app } media_rw_data_file:dir create_dir_perms;
-allow { appdomain -isolated_app } media_rw_data_file:file create_file_perms;
+allow { appdomain -isolated_app -ephemeral_app } media_rw_data_file:dir create_dir_perms;
+allow { appdomain -isolated_app -ephemeral_app } media_rw_data_file:file create_file_perms;
 
 # Access OBBs (vfat images) mounted by vold (b/17633509)
 # File write access allowed for FDs returned through Storage Access Framework
@@ -205,8 +205,8 @@ allow { appdomain -isolated_app } vfat:file rw_file_perms;
 #
 # USB devices are first opened by the system server (USBDeviceManagerService)
 # and the file descriptor is passed to the right Activity via binder.
-allow { appdomain -isolated_app } usb_device:chr_file { read write getattr ioctl };
-allow { appdomain -isolated_app } usbaccessory_device:chr_file { read write getattr };
+allow { appdomain -isolated_app -ephemeral_app } usb_device:chr_file { read write getattr ioctl };
+allow { appdomain -isolated_app -ephemeral_app } usbaccessory_device:chr_file { read write getattr };
 
 # For art.
 allow appdomain dalvikcache_data_file:file execute;
@@ -230,9 +230,9 @@ control_logd(appdomain)
 # application inherit logd write socket (urge is to deprecate this long term)
 allow appdomain zygote:unix_dgram_socket write;
 
-allow { appdomain -isolated_app } keystore:keystore_key { get_state get insert delete exist list sign verify };
+allow { appdomain -isolated_app -ephemeral_app } keystore:keystore_key { get_state get insert delete exist list sign verify };
 
-use_keystore({ appdomain -isolated_app })
+use_keystore({ appdomain -isolated_app -ephemeral_app })
 
 allow appdomain console_device:chr_file { read write };
 
@@ -270,7 +270,7 @@ selinux_check_context(appdomain)
 
 # Apps receive an open tun fd from the framework for
 # device traffic. Do not allow untrusted app to directly open tun_device
-allow { appdomain -isolated_app } tun_device:chr_file { read write getattr ioctl append };
+allow { appdomain -isolated_app -ephemeral_app } tun_device:chr_file { read write getattr ioctl append };
 
 # Connect to adbd and use a socket transferred from it.
 # This is used for e.g. adb backup/restore.