android_system_sepolicy/hostapd.te
Stephen Smalley 08461cb039 Allow netd-spawned domains to use inherited netd unix_dgram_socket.
Resolves denials such as:
 avc:  denied  { read write } for  pid=4346 comm="hostapd" path="socket:[7874]" dev="sockfs" ino=7874 scontext=u:r:hostapd:s0 tcontext=u:r:netd:s0 tclass=unix_dgram_socket
 avc:  denied  { read write } for  pid=4348 comm="dnsmasq" path="socket:[7874]" dev="sockfs" ino=7874 scontext=u:r:dnsmasq:s0 tcontext=u:r:netd:s0 tclass=unix_dgram_socket

Change-Id: Ie82f39c32c6e04bc9ef1369ca787cf80b3b4141c
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
2014-03-18 10:46:48 -04:00

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# userspace wifi access points
type hostapd, domain;
type hostapd_exec, exec_type, file_type;
net_domain(hostapd)
allow hostapd self:capability { net_admin net_raw setuid setgid };
allow hostapd self:netlink_socket create_socket_perms;
allow hostapd self:packet_socket create_socket_perms;
allow hostapd self:netlink_route_socket nlmsg_write;
allow hostapd wifi_data_file:file rw_file_perms;
allow hostapd wifi_data_file:dir create_dir_perms;
type_transition hostapd wifi_data_file:dir wpa_socket "sockets";
type_transition hostapd wifi_data_file:dir wpa_socket "hostapd";
allow hostapd wpa_socket:dir create_dir_perms;
allow hostapd wpa_socket:sock_file create_file_perms;
allow hostapd netd:fd use;
allow hostapd netd:udp_socket { read write };
allow hostapd netd:fifo_file { read write };
# TODO: Investigate whether these inherited sockets should be closed on exec.
allow hostapd netd:netlink_kobject_uevent_socket { read write };
allow hostapd netd:netlink_nflog_socket { read write };
allow hostapd netd:netlink_route_socket { read write };
allow hostapd netd:unix_stream_socket { read write };
allow hostapd netd:unix_dgram_socket { read write };