android_system_sepolicy/bluetooth.te
Stephen Smalley eab85946a5 Allow bluetooth users ioctl access to bluetooth unix stream socket.
Resolves denials such as:
avc:  denied  { ioctl } for  pid=6390 comm="m.wimmcompanion" path="socket:[472596]" dev="sockfs" ino=472596 scontext=u:r:untrusted_app:s0 tcontext=u:r:bluetooth:s0 tclass=unix_stream_socket

Change-Id: Idd4fa219fe8674c6e1c40211b3c105d6276cfc5a
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
2014-03-11 08:43:23 -04:00

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# bluetooth subsystem
type bluetooth, domain;
app_domain(bluetooth)
net_domain(bluetooth)
# Data file accesses.
allow bluetooth bluetooth_data_file:dir create_dir_perms;
allow bluetooth bluetooth_data_file:notdevfile_class_set create_file_perms;
# Socket creation under /data/misc/bluedroid.
type_transition bluetooth bluetooth_data_file:sock_file bluetooth_socket;
allow bluetooth bluetooth_socket:sock_file create_file_perms;
# bluetooth factory file accesses.
r_dir_file(bluetooth, bluetooth_efs_file)
# Device accesses.
allow bluetooth { tun_device uhid_device hci_attach_dev }:chr_file rw_file_perms;
# Other domains that can create and use bluetooth sockets.
# SELinux does not presently define a specific socket class for
# bluetooth sockets, nor does it distinguish among the bluetooth protocols.
# TODO: This should no longer be needed with bluedroid for bluetooth
# but may be getting used for other non-bluetooth sockets that has no
# specific class defined. Consider taking to specific domains.
allow bluetoothdomain self:socket create_socket_perms;
# sysfs access.
allow bluetooth sysfs_bluetooth_writable:file rw_file_perms;
allow bluetooth self:capability net_admin;
# Allow clients to use a socket provided by the bluetooth app.
# TODO: See if this is still required under bluedroid.
allow bluetoothdomain bluetooth:unix_stream_socket { getopt getattr read write ioctl shutdown };
# tethering
allow bluetooth self:tun_socket create_socket_perms;
allow bluetooth efs_file:dir search;
# Talk to init over the property socket.
unix_socket_connect(bluetooth, property, init)
# proc access.
allow bluetooth proc_bluetooth_writable:file rw_file_perms;
# Allow write access to bluetooth specific properties
allow bluetooth bluetooth_prop:property_service set;
###
### Neverallow rules
###
### These are things that the bluetooth app should NEVER be able to do
###
# Superuser capabilities.
# bluetooth requires net_admin.
neverallow { bluetooth -unconfineddomain } self:capability ~net_admin;