1# bluetooth subsystem
2type bluetooth, domain;
3app_domain(bluetooth)
4net_domain(bluetooth)
5
6# Data file accesses.
7allow bluetooth bluetooth_data_file:dir create_dir_perms;
8allow bluetooth bluetooth_data_file:notdevfile_class_set create_file_perms;
9
10# Socket creation under /data/misc/bluedroid.
11type_transition bluetooth bluetooth_data_file:sock_file bluetooth_socket;
12allow bluetooth bluetooth_socket:sock_file create_file_perms;
13
14# bluetooth factory file accesses.
15r_dir_file(bluetooth, bluetooth_efs_file)
16
17# Device accesses.
18allow bluetooth { tun_device uhid_device hci_attach_dev }:chr_file rw_file_perms;
19
20# Other domains that can create and use bluetooth sockets.
21# SELinux does not presently define a specific socket class for
22# bluetooth sockets, nor does it distinguish among the bluetooth protocols.
23# TODO: This should no longer be needed with bluedroid for bluetooth
24# but may be getting used for other non-bluetooth sockets that has no
25# specific class defined.  Consider taking to specific domains.
26allow bluetoothdomain self:socket create_socket_perms;
27
28# sysfs access.
29allow bluetooth sysfs_bluetooth_writable:file rw_file_perms;
30allow bluetooth self:capability net_admin;
31allow bluetooth self:capability2 wake_alarm;
32
33# Allow clients to use a socket provided by the bluetooth app.
34# TODO:  See if this is still required under bluedroid.
35allow bluetoothdomain bluetooth:unix_stream_socket { getopt setopt getattr read write ioctl shutdown };
36
37# tethering
38allow bluetooth self:tun_socket create_socket_perms;
39allow bluetooth efs_file:dir search;
40
41# Talk to init over the property socket.
42unix_socket_connect(bluetooth, property, init)
43
44# proc access.
45allow bluetooth proc_bluetooth_writable:file rw_file_perms;
46
47# Allow write access to bluetooth specific properties
48allow bluetooth bluetooth_prop:property_service set;
49allow bluetooth pan_result_prop:property_service set;
50allow bluetooth ctl_dhcp_pan_prop:property_service set;
51
52###
53### Neverallow rules
54###
55### These are things that the bluetooth app should NEVER be able to do
56###
57
58# Superuser capabilities.
59# bluetooth requires net_admin and wake_alarm.
60neverallow bluetooth self:capability ~net_admin;
61neverallow bluetooth self:capability2 ~wake_alarm;
62