platform_system_sepolicy/private/storaged.te

# storaged daemon
type storaged, domain, coredomain, mlstrustedsubject;
type storaged_exec, exec_type, file_type;

init_daemon_domain(storaged)

# Read access to pseudo filesystems
r_dir_file(storaged, proc_net)
r_dir_file(storaged, domain)

# Read /proc/uid_io/stats
allow storaged proc_uid_io_stats:file r_file_perms;

# Read /data/system/packages.list
allow storaged system_data_file:file r_file_perms;

# Store storaged proto file
allow storaged storaged_data_file:dir rw_dir_perms;
allow storaged storaged_data_file:file create_file_perms;

userdebug_or_eng(`
  # Read access to debugfs
  allow storaged debugfs_mmc:dir search;
  allow storaged debugfs_mmc:file r_file_perms;
')

# Needed to provide debug dump output via dumpsys pipes.
allow storaged shell:fd use;
allow storaged shell:fifo_file write;

# Needed for GMScore to call dumpsys storaged
allow storaged priv_app:fd use;
allow storaged app_data_file:file write;
allow storaged permission_service:service_manager find;

# Binder permissions
add_service(storaged, storaged_service)

binder_use(storaged)
binder_call(storaged, system_server)

hal_client_domain(storaged, hal_health)

# Implements a dumpsys interface.
allow storaged dumpstate:fd use;

# use a subset of the package manager service
allow storaged package_native_service:service_manager find;

# Kernel does extra check on CAP_DAC_OVERRIDE for libbinder when storaged is
# running as root. See b/35323867 #3.
dontaudit storaged self:global_capability_class_set dac_override;

###
### neverallow
###
neverallow storaged domain:process ptrace;
neverallow storaged self:capability_class_set *;