android_system_sepolicy/private/otapreopt_slot.te
Andreas Gampe 4abfe60215 Sepolicy: Move some parts from public to private
Those should not have been public before, but were forced to by
old neverallow rules.

Test: m
Change-Id: If8430b9c8d42b7cbcd28bbfbc79d579c69067edd
2019-02-22 05:11:08 -08:00

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# This command set moves the artifact corresponding to the current slot
# from /data/ota to /data/dalvik-cache.
type otapreopt_slot, domain, mlstrustedsubject;
type otapreopt_slot_exec, system_file_type, exec_type, file_type;
typeattribute otapreopt_slot coredomain;
# Technically not a daemon but we do want the transition from init domain to
# cppreopts to occur.
init_daemon_domain(otapreopt_slot)
# The otapreopt_slot renames the OTA dalvik-cache to the regular dalvik-cache, and cleans up
# the directory afterwards. For logging of aggregate size, we need getattr.
allow otapreopt_slot ota_data_file:dir { rw_dir_perms rename reparent rmdir };
allow otapreopt_slot ota_data_file:{ file lnk_file } getattr;
# (du follows symlinks)
allow otapreopt_slot ota_data_file:lnk_file read;
# Delete old content of the dalvik-cache.
allow otapreopt_slot dalvikcache_data_file:dir { add_name getattr open read remove_name rmdir search write };
allow otapreopt_slot dalvikcache_data_file:file { getattr unlink };
allow otapreopt_slot dalvikcache_data_file:lnk_file { getattr read unlink };
# Allow cppreopts to execute itself using #!/system/bin/sh
allow otapreopt_slot shell_exec:file rx_file_perms;
# Allow running the mv and rm/rmdir commands using otapreopt_slot permissions.
# Needed so we can move artifacts into /data/dalvik-cache/dalvik-cache.
allow otapreopt_slot toolbox_exec:file rx_file_perms;