1# 464xlat daemon
2type clatd, domain, coredomain;
3type clatd_exec, system_file_type, exec_type, file_type;
4
5net_domain(clatd)
6
7r_dir_file(clatd, proc_net_type)
8userdebug_or_eng(`
9  auditallow clatd proc_net_type:{ dir file lnk_file } { getattr open read };
10')
11
12# Access objects inherited from netd.
13allow clatd netd:fd use;
14allow clatd netd:fifo_file { read write };
15# TODO: Check whether some or all of these sockets should be close-on-exec.
16allow clatd netd:netlink_kobject_uevent_socket { read write };
17allow clatd netd:netlink_nflog_socket { read write };
18allow clatd netd:netlink_route_socket { read write };
19allow clatd netd:udp_socket { read write };
20allow clatd netd:unix_stream_socket { read write };
21allow clatd netd:unix_dgram_socket { read write };
22
23allow clatd self:global_capability_class_set { net_admin net_raw setuid setgid };
24
25# clatd calls mmap(MAP_LOCKED) with a 1M buffer. MAP_LOCKED first checks
26# capable(CAP_IPC_LOCK), and then checks to see the requested amount is
27# under RLIMIT_MEMLOCK. If the latter check succeeds clatd won't have
28# needed CAP_IPC_LOCK. But this is not guaranteed to succeed on all devices
29# so we permit any requests we see from clatd asking for this capability.
30# See https://android-review.googlesource.com/127940 and
31# https://b.corp.google.com/issues/21736319
32allow clatd self:global_capability_class_set ipc_lock;
33
34allow clatd self:netlink_route_socket nlmsg_write;
35allow clatd self:{ packet_socket rawip_socket } create_socket_perms_no_ioctl;
36allow clatd tun_device:chr_file rw_file_perms;
37