1 # 464xlat daemon 2 type clatd, domain; 3 type clatd_exec, exec_type, file_type; 4 5 net_domain(clatd) 6 7 r_dir_file(clatd, proc_net) 8 9 # Access objects inherited from netd. 10 allow clatd netd:fd use; 11 allow clatd netd:fifo_file { read write }; 12 # TODO: Check whether some or all of these sockets should be close-on-exec. 13 allow clatd netd:netlink_kobject_uevent_socket { read write }; 14 allow clatd netd:netlink_nflog_socket { read write }; 15 allow clatd netd:netlink_route_socket { read write }; 16 allow clatd netd:udp_socket { read write }; 17 allow clatd netd:unix_stream_socket { read write }; 18 allow clatd netd:unix_dgram_socket { read write }; 19 20 allow clatd self:capability { net_admin net_raw setuid setgid }; 21 22 # clatd calls mmap(MAP_LOCKED) with a 1M buffer. MAP_LOCKED first checks 23 # capable(CAP_IPC_LOCK), and then checks to see the requested amount is 24 # under RLIMIT_MEMLOCK. If the latter check succeeds clatd won't have 25 # needed CAP_IPC_LOCK. But this is not guaranteed to succeed on all devices 26 # so we permit any requests we see from clatd asking for this capability. 27 # See https://android-review.googlesource.com/127940 and 28 # https://b.corp.google.com/issues/21736319 29 allow clatd self:capability ipc_lock; 30 31 allow clatd self:netlink_route_socket nlmsg_write; 32 allow clatd self:{ packet_socket rawip_socket tun_socket } create_socket_perms_no_ioctl; 33 allow clatd tun_device:chr_file rw_file_perms; 34