1*e4a36f41SAndroid Build Coastguard Worker# odrefresh 2*e4a36f41SAndroid Build Coastguard Workertype odrefresh, domain, coredomain; 3*e4a36f41SAndroid Build Coastguard Workertype odrefresh_exec, system_file_type, exec_type, file_type; 4*e4a36f41SAndroid Build Coastguard Worker 5*e4a36f41SAndroid Build Coastguard Worker# Allow odrefresh to create files and directories for on device signing. 6*e4a36f41SAndroid Build Coastguard Workerallow odrefresh apex_module_data_file:dir { getattr search }; 7*e4a36f41SAndroid Build Coastguard Workerallow odrefresh apex_art_data_file:dir { create_dir_perms relabelfrom }; 8*e4a36f41SAndroid Build Coastguard Workerallow odrefresh apex_art_data_file:file create_file_perms; 9*e4a36f41SAndroid Build Coastguard Worker 10*e4a36f41SAndroid Build Coastguard Worker# Allow odrefresh to create data files (typically for metrics before statsd starts). 11*e4a36f41SAndroid Build Coastguard Workerallow odrefresh odrefresh_data_file:dir create_dir_perms; 12*e4a36f41SAndroid Build Coastguard Workerallow odrefresh odrefresh_data_file:file create_file_perms; 13*e4a36f41SAndroid Build Coastguard Worker 14*e4a36f41SAndroid Build Coastguard Workeruserfaultfd_use(odrefresh) 15*e4a36f41SAndroid Build Coastguard Worker 16*e4a36f41SAndroid Build Coastguard Worker# Staging area labels (/data/misc/apexdata/com.android.art/staging). odrefresh 17*e4a36f41SAndroid Build Coastguard Worker# sets up files here and passes file descriptors for dex2oat to write to. 18*e4a36f41SAndroid Build Coastguard Workerallow odrefresh apex_art_staging_data_file:dir { create_dir_perms relabelto }; 19*e4a36f41SAndroid Build Coastguard Workerallow odrefresh apex_art_staging_data_file:file create_file_perms; 20*e4a36f41SAndroid Build Coastguard Worker 21*e4a36f41SAndroid Build Coastguard Worker# Run dex2oat in its own sandbox. 22*e4a36f41SAndroid Build Coastguard Workerdomain_auto_trans(odrefresh, dex2oat_exec, dex2oat) 23*e4a36f41SAndroid Build Coastguard Worker 24*e4a36f41SAndroid Build Coastguard Worker# Allow odrefresh to kill dex2oat if compilation times out. 25*e4a36f41SAndroid Build Coastguard Workerallow odrefresh dex2oat:process sigkill; 26*e4a36f41SAndroid Build Coastguard Worker 27*e4a36f41SAndroid Build Coastguard Worker# Run dexoptanalyzer in its own sandbox. 28*e4a36f41SAndroid Build Coastguard Workerdomain_auto_trans(odrefresh, dexoptanalyzer_exec, dexoptanalyzer) 29*e4a36f41SAndroid Build Coastguard Worker 30*e4a36f41SAndroid Build Coastguard Worker# Allow odrefresh to kill dexoptanalyzer if analysis times out. 31*e4a36f41SAndroid Build Coastguard Workerallow odrefresh dexoptanalyzer:process sigkill; 32*e4a36f41SAndroid Build Coastguard Worker 33*e4a36f41SAndroid Build Coastguard Worker# Use devpts and fd from odsign (which exec()'s odrefresh) 34*e4a36f41SAndroid Build Coastguard Workerallow odrefresh odsign_devpts:chr_file { read write }; 35*e4a36f41SAndroid Build Coastguard Workerallow odrefresh odsign:fd use; 36*e4a36f41SAndroid Build Coastguard Worker 37*e4a36f41SAndroid Build Coastguard Worker# Do not audit unused resources from parent processes (adb, shell, su). 38*e4a36f41SAndroid Build Coastguard Worker# These appear to be unnecessary for odrefresh. 39*e4a36f41SAndroid Build Coastguard Workerdontaudit odrefresh { adbd shell }:fd use; 40*e4a36f41SAndroid Build Coastguard Workerdontaudit odrefresh devpts:chr_file rw_file_perms; 41*e4a36f41SAndroid Build Coastguard Workerdontaudit odrefresh adbd:unix_stream_socket { getattr read write }; 42*e4a36f41SAndroid Build Coastguard Worker 43*e4a36f41SAndroid Build Coastguard Worker# Allow odrefresh to read /apex/apex-info-list.xml to determine 44*e4a36f41SAndroid Build Coastguard Worker# whether current apex is in /system or /data. 45*e4a36f41SAndroid Build Coastguard Workerallow odrefresh apex_info_file:file r_file_perms; 46*e4a36f41SAndroid Build Coastguard Worker 47*e4a36f41SAndroid Build Coastguard Worker# No other processes should be creating files in the staging area. 48*e4a36f41SAndroid Build Coastguard Workerneverallow { domain -init -odrefresh } apex_art_staging_data_file:file open; 49*e4a36f41SAndroid Build Coastguard Worker 50*e4a36f41SAndroid Build Coastguard Worker# No processes other than init, odrefresh and system_server access 51*e4a36f41SAndroid Build Coastguard Worker# odrefresh_data_files. 52*e4a36f41SAndroid Build Coastguard Workerneverallow { domain -init -odrefresh -system_server } odrefresh_data_file:dir *; 53*e4a36f41SAndroid Build Coastguard Workerneverallow { domain -init -odrefresh -system_server } odrefresh_data_file:file *; 54*e4a36f41SAndroid Build Coastguard Worker 55*e4a36f41SAndroid Build Coastguard Worker# Allow updating boot animation status. 56*e4a36f41SAndroid Build Coastguard Workerset_prop(odrefresh, bootanim_system_prop) 57*e4a36f41SAndroid Build Coastguard Worker 58*e4a36f41SAndroid Build Coastguard Worker# Allow query ART device config properties 59*e4a36f41SAndroid Build Coastguard Workerget_prop(odrefresh, device_config_runtime_native_prop) 60*e4a36f41SAndroid Build Coastguard Workerget_prop(odrefresh, device_config_runtime_native_boot_prop) 61