platform_system_sepolicy/private/lpdumpd.te

type lpdumpd, domain, coredomain;
type lpdumpd_exec, system_file_type, exec_type, file_type;

init_daemon_domain(lpdumpd)

# Allow lpdumpd to register itself as a service.
binder_use(lpdumpd)
add_service(lpdumpd, lpdump_service)

# Allow lpdumpd to find the super partition block device.
allow lpdumpd block_device:dir r_dir_perms;

# Allow lpdumpd to read super partition metadata.
allow lpdumpd super_block_device_type:blk_file r_file_perms;

# Allow lpdumpd to read fstab.
allow lpdumpd sysfs_dt_firmware_android:dir r_dir_perms;
allow lpdumpd sysfs_dt_firmware_android:file r_file_perms;

# Triggered when lpdumpd tries to read default fstab.
dontaudit lpdumpd metadata_file:dir r_dir_perms;
dontaudit lpdumpd metadata_file:file r_file_perms;
dontaudit lpdumpd gsi_metadata_file:dir r_dir_perms;
dontaudit lpdumpd gsi_metadata_file:file r_file_perms;

### Neverallow rules

# Disallow other domains to get lpdump_service and call lpdumpd.
neverallow {
    domain
    -dumpstate
    -lpdumpd
    -shell
} lpdump_service:service_manager find;

neverallow {
    domain
    -dumpstate
    -lpdumpd
    -shell
    -servicemanager
} lpdumpd:binder call;