platform_system_sepolicy/dex2oat.te

# dex2oat
type dex2oat, domain, mlstrustedsubject, domain_deprecated;
type dex2oat_exec, exec_type, file_type;

allow dex2oat dalvikcache_data_file:file write;
# Read symlinks in /data/dalvik-cache. This is required for PIC mode boot images, where
# the oat file is symlinked to the original file in /system.
allow dex2oat dalvikcache_data_file:lnk_file read;
allow dex2oat installd:fd use;

# 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;
allow dex2oat unlabeled:file read;
allow dex2oat oemfs:file read;
allow dex2oat apk_tmp_file:file read;
allow dex2oat app_data_file:file {read write lock};

##################
# A/B OTA Dexopt #
##################

# Allow dex2oat to use file descriptors from otapreopt.
allow dex2oat otapreopt:fd use;
# 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;

# 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 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 };

##############
# Neverallow #
##############

neverallow dex2oat app_data_file:notdevfile_class_set open;