xref: /aosp_15_r20/system/sepolicy/prebuilts/api/31.0/private/recovery.te (revision e4a36f4174b17bbab9dc043f4a65dc8d87377290)

typeattribute recovery coredomain;

# The allow rules are only included in the recovery policy.
# Otherwise recovery is only allowed the domain rules.
recovery_only(`
  # Reboot the device
  set_prop(recovery, powerctl_prop)

  # Read serial number of the device from system properties
  get_prop(recovery, serialno_prop)

  # Set sys.usb.ffs.ready when starting minadbd for sideload.
  get_prop(recovery, ffs_config_prop)
  set_prop(recovery, ffs_control_prop)

  # Set sys.usb.config when switching into fastboot.
  set_prop(recovery, usb_control_prop)
  set_prop(recovery, usb_prop)

  # Read ro.boot.bootreason
  get_prop(recovery, bootloader_boot_reason_prop)

  # Read storage properties (for correctly formatting filesystems)
  get_prop(recovery, storage_config_prop)

  set_prop(recovery, gsid_prop)

  # These are needed to allow recovery to manage network
  allow recovery self:netlink_route_socket { create write read nlmsg_readpriv nlmsg_read };
  allow recovery self:global_capability_class_set net_admin;
  allow recovery self:tcp_socket { create ioctl };
  allowxperm recovery self:tcp_socket ioctl { SIOCGIFFLAGS SIOCSIFFLAGS };

  # Start snapuserd for merging VABC updates
  set_prop(recovery, ctl_snapuserd_prop)

  # Needed to communicate with snapuserd to complete merges.
  allow recovery snapuserd_socket:sock_file write;
  allow recovery snapuserd:unix_stream_socket connectto;
  allow recovery dm_user_device:dir r_dir_perms;

  # Set fastbootd protocol property
  set_prop(recovery, fastbootd_protocol_prop)

  get_prop(recovery, recovery_config_prop)

  # Needed to read bootconfig parameters through libfs_mgr
  allow recovery proc_bootconfig:file r_file_perms;
')