platform_system_sepolicy/private/vold_prepare_subdirs.te

domain_auto_trans(vold, vold_prepare_subdirs_exec, vold_prepare_subdirs)

typeattribute vold_prepare_subdirs mlstrustedsubject;

allow vold_prepare_subdirs system_file:file execute_no_trans;
allow vold_prepare_subdirs shell_exec:file rx_file_perms;
allow vold_prepare_subdirs toolbox_exec:file rx_file_perms;
allow vold_prepare_subdirs devpts:chr_file rw_file_perms;
allow vold_prepare_subdirs vold:fd use;
allow vold_prepare_subdirs vold:fifo_file { read write };
allow vold_prepare_subdirs file_contexts_file:file r_file_perms;
allow vold_prepare_subdirs self:global_capability_class_set { chown dac_override dac_read_search fowner };
allow vold_prepare_subdirs self:process setfscreate;
allow vold_prepare_subdirs {
  sdk_sandbox_system_data_file
  system_data_file
  vendor_data_file
}:dir { open read write add_name remove_name rmdir relabelfrom };
allow vold_prepare_subdirs {
    apex_data_file_type
    apex_module_data_file
    apex_rollback_data_file
    backup_data_file
    checkin_data_file
    face_vendor_data_file
    fingerprint_vendor_data_file
    iris_vendor_data_file
    rollback_data_file
    storaged_data_file
    sdk_sandbox_data_file
    sdk_sandbox_system_data_file
    system_data_file
    vold_data_file
}:dir { create_dir_perms relabelto };
allow vold_prepare_subdirs {
    apex_data_file_type
    apex_art_staging_data_file
    apex_module_data_file
    apex_rollback_data_file
    backup_data_file
    checkin_data_file
    face_vendor_data_file
    fingerprint_vendor_data_file
    iris_vendor_data_file
    rollback_data_file
    storaged_data_file
    sdk_sandbox_data_file
    system_data_file
    vold_data_file
}:file { getattr unlink };
allow vold_prepare_subdirs apex_mnt_dir:dir { open read };
allow vold_prepare_subdirs mnt_expand_file:dir search;
allow vold_prepare_subdirs user_profile_data_file:dir { search getattr relabelfrom };
allow vold_prepare_subdirs user_profile_root_file:dir { search getattr relabelfrom relabelto };

# vold_prepare_subdirs asks apex_service for the list of APEXes
# to prepapre apexdata dirs.
binder_use(vold_prepare_subdirs)
binder_call(vold_prepare_subdirs, apexd)
allow vold_prepare_subdirs apex_service:service_manager find;

# Migrate legacy labels to apex_system_server_data_file (b/217581286)
allow vold_prepare_subdirs {
  apex_appsearch_data_file
  apex_permission_data_file
  apex_scheduling_data_file
  apex_tethering_data_file
  apex_wifi_data_file
}:dir relabelfrom;

# /data/misc is unlabeled during early boot.
allow vold_prepare_subdirs unlabeled:dir search;

dontaudit vold_prepare_subdirs { proc unlabeled }:file r_file_perms;