legacy/vendor/common/fstman.te

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type fstman, domain;
type fstman_exec, exec_type, vendor_file_type, file_type;

init_daemon_domain(fstman)
net_domain(fstman)

#use bypass because net_admin capability is needed
hal_server_domain_bypass(fstman, hal_fstman)

#allows calls between client and server and vice-versa
binder_call(hal_fstman_client, hal_fstman_server)
binder_call(hal_fstman_server, hal_fstman_client)

#register hal service, allow hal clients to find the service
hal_attribute_hwservice(hal_fstman, hal_fstman_hwservice)

# 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_net:dir r_dir_perms;
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 hal_wifi_hostapd_default }: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;
# hostapd global socket
allow fstman hostapd_data_file:dir rw_dir_perms;
allow fstman hostapd_data_file:sock_file create_file_perms;
# access capability config store
hal_client_domain(fstman, hal_capabilityconfigstore_qti);