private/odrefresh.te

# odrefresh
type odrefresh, domain, coredomain;
type odrefresh_exec, system_file_type, exec_type, file_type;

# Allow odrefresh to create files and directories for on device signing.
allow odrefresh apex_module_data_file:dir { getattr search };
allow odrefresh apex_art_data_file:dir { create_dir_perms relabelfrom };
allow odrefresh apex_art_data_file:file create_file_perms;

userfaultfd_use(odrefresh)

# Staging area labels (/data/misc/apexdata/com.android.art/staging). odrefresh
# sets up files here and passes file descriptors for dex2oat to write to.
allow odrefresh apex_art_staging_data_file:dir { create_dir_perms relabelto };
allow odrefresh apex_art_staging_data_file:file create_file_perms;

# Run dex2oat in its own sandbox.
domain_auto_trans(odrefresh, dex2oat_exec, dex2oat)

# Run dexoptanalyzer in its own sandbox.
domain_auto_trans(odrefresh, dexoptanalyzer_exec, dexoptanalyzer)

# Use devpts and fd from odsign (which exec()'s odrefresh)
allow odrefresh odsign_devpts:chr_file { read write };
allow odrefresh odsign:fd use;

# Do not audit unused resources from parent processes (adb, shell, su).
# These appear to be unnecessary for odrefresh.
dontaudit odrefresh { adbd shell }:fd use;
dontaudit odrefresh devpts:chr_file rw_file_perms;
dontaudit odrefresh adbd:unix_stream_socket { getattr read write };

# Allow odrefresh to read /apex/apex-info-list.xml to determine
# whether current apex is in /system or /data.
allow odrefresh apex_info_file:file r_file_perms;

# No other processes should be creating files in the staging area.
neverallow { domain -init -odrefresh } apex_art_staging_data_file:file open;