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# Copyright (c) 2015,2017, The Linux Foundation. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of The Linux Foundation nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
type fstman, domain;
type fstman_exec, exec_type, vendor_file_type, file_type;
init_daemon_domain(fstman)
net_domain(fstman)
# fstman requires special network privileges.
# access traffic control (TC) for marking packets to identify from
# which slave interface they arrive, drop multicast packets and
# duplicate packets. This requires the net_raw capability.
# network admin operations mainly on the bonding driver:
# interface up/down, add/remove slave interfaces, set queue parameters
# This requires the net_admin capability.
allow fstman self:capability { net_admin net_raw };
# netlink socket is used to access traffic control (TC)
allow fstman self:netlink_route_socket nlmsg_write;
# allow privileged socket operations: interface up/down, bond interface management
allowxperm fstman self:udp_socket ioctl { SIOCGIFFLAGS SIOCSIFFLAGS SIOCSIFTXQLEN SIOCBONDENSLAVE SIOCBONDRELEASE SIOCETHTOOL};
# need access to bond0 sysfs in order to manage attached interfaces
allow fstman sysfs_bond0:file rw_file_perms;
# need access to wigig sysfs in order to control fst_link_loss
allow fstman sysfs_wigig:file rw_file_perms;
# create/read fstman configuration file (/data/vendor/wifi/fstman.ini)
r_dir_file(fstman, wifi_vendor_data_file)
allow fstman wifi_vendor_data_file:dir rw_dir_perms;
allow fstman wifi_vendor_data_file:file create_file_perms;
# fstman needs to communicate with wpa_supplicant and hostapd using socket
# for managing FST state
allow fstman { hal_wifi_supplicant hostapd }:unix_dgram_socket sendto;
# supplicant interface sockets
allow fstman wifi_vendor_wpa_socket:dir rw_dir_perms;
allow fstman wifi_vendor_wpa_socket:sock_file create_file_perms;
# supplicant global socket
allow fstman wpa_socket:dir rw_dir_perms;
allow fstman wpa_socket:sock_file create_file_perms;
# hostapd global socket
allow fstman wifi_vendor_hostapd_socket:dir rw_dir_perms;
allow fstman wifi_vendor_hostapd_socket:sock_file create_file_perms;
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