# dex2oat type dex2oat, domain, coredomain; type dex2oat_exec, system_file_type, exec_type, file_type; r_dir_file(dex2oat, apk_data_file) # Access to /vendor/app r_dir_file(dex2oat, vendor_app_file) # Access /vendor/framework allow dex2oat vendor_framework_file:dir { getattr search }; allow dex2oat vendor_framework_file:file { getattr open read map }; allow dex2oat tmpfs:file { read getattr map }; r_dir_file(dex2oat, dalvikcache_data_file) allow dex2oat dalvikcache_data_file:file write; allow dex2oat installd:fd use; # Acquire advisory lock on /system/framework/arm/* allow dex2oat system_file:file lock; # Read already open asec_apk_file file descriptors passed by installd. # Also allow reading unlabeled files, to allow for upgrading forward # locked APKs. allow dex2oat asec_apk_file:file { read map }; allow dex2oat unlabeled:file { read map }; allow dex2oat oemfs:file { read map }; allow dex2oat apk_tmp_file:dir search; allow dex2oat apk_tmp_file:file r_file_perms; allow dex2oat user_profile_data_file:file { getattr read lock map }; # Allow dex2oat to compile app's secondary dex files which were reported back to # the framework. allow dex2oat { privapp_data_file app_data_file }:file { getattr read write lock map }; # Allow dex2oat to find files and directories under /data/misc/apexdata/com.android.runtime. allow dex2oat apex_module_data_file:dir search; # Allow dex2oat to use file descriptors passed from odrefresh. allow dex2oat odrefresh:fd use; # Allow dex2oat to write to file descriptors from odrefresh for files # in the staging area. allow dex2oat apex_art_staging_data_file:dir r_dir_perms; allow dex2oat apex_art_staging_data_file:file { getattr map read write unlink }; # Allow dex2oat to read artifacts from odrefresh. allow dex2oat apex_art_data_file:dir r_dir_perms; allow dex2oat apex_art_data_file:file r_file_perms; # Allow dex2oat to read runtime native flag properties. get_prop(dex2oat, device_config_runtime_native_prop) get_prop(dex2oat, device_config_runtime_native_boot_prop) ################## # A/B OTA Dexopt # ################## # Allow dex2oat to use file descriptors from otapreopt. allow dex2oat postinstall_dexopt:fd use; # Allow dex2oat to read files under /postinstall (e.g. APKs under /system, /system/bin/linker). allow dex2oat postinstall_file:dir r_dir_perms; allow dex2oat postinstall_file:filesystem getattr; allow dex2oat postinstall_file:lnk_file { getattr read }; allow dex2oat postinstall_file:file read; # Allow dex2oat to use libraries under /postinstall/system (e.g. /system/lib/libc.so). # TODO(b/120266448): Remove when Bionic libraries are part of the Runtime APEX. allow dex2oat postinstall_file:file { execute getattr open }; # Allow dex2oat access to /postinstall/apex. allow dex2oat postinstall_apex_mnt_dir:dir { getattr search }; # Allow dex2oat access to files in /data/ota. allow dex2oat ota_data_file:dir ra_dir_perms; allow dex2oat ota_data_file:file r_file_perms; # Create and read symlinks in /data/ota/dalvik-cache. This is required for PIC mode boot images, # where the oat file is symlinked to the original file in /system. allow dex2oat ota_data_file:lnk_file { create read }; # It would be nice to tie this down, but currently, because of how images are written, we can't # pass file descriptors for the preopted boot image to dex2oat. So dex2oat needs to be able to # create them itself (and make them world-readable). allow dex2oat ota_data_file:file { create w_file_perms setattr }; ############### # APEX Update # ############### # /dev/zero is inherited. allow dex2oat apexd:fd use; # Allow dex2oat to use file descriptors from preinstall. ############## # Neverallow # ############## neverallow dex2oat { privapp_data_file app_data_file }:notdevfile_class_set open;