1type lpdumpd, domain, coredomain; 2type lpdumpd_exec, system_file_type, exec_type, file_type; 3 4init_daemon_domain(lpdumpd) 5 6# Allow lpdumpd to register itself as a service. 7binder_use(lpdumpd) 8add_service(lpdumpd, lpdump_service) 9 10# Allow lpdumpd to find the super partition block device. 11allow lpdumpd block_device:dir r_dir_perms; 12 13# Allow lpdumpd to read super partition metadata. 14allow lpdumpd super_block_device_type:blk_file r_file_perms; 15 16# Allow lpdumpd to read fstab. 17allow lpdumpd sysfs_dt_firmware_android:dir r_dir_perms; 18allow lpdumpd sysfs_dt_firmware_android:file r_file_perms; 19read_fstab(lpdumpd) 20 21# Allow to get A/B slot suffix from device tree or kernel cmdline. 22r_dir_file(lpdumpd, sysfs_dt_firmware_android); 23allow lpdumpd proc_cmdline:file r_file_perms; 24 25# Allow reading Virtual A/B status information. 26get_prop(lpdumpd, virtual_ab_prop) 27allow lpdumpd metadata_file:dir search; 28allow lpdumpd ota_metadata_file:dir { r_dir_perms lock }; 29allow lpdumpd ota_metadata_file:file r_file_perms; 30 31### Neverallow rules 32 33# Disallow other domains to get lpdump_service and call lpdumpd. 34neverallow { 35 domain 36 -dumpstate 37 -lpdumpd 38 -shell 39} lpdump_service:service_manager find; 40 41neverallow { 42 domain 43 -dumpstate 44 -lpdumpd 45 -shell 46 -servicemanager 47} lpdumpd:binder call; 48