platform_system_sepolicy/public/hal_wifi_supplicant.te
Gabriel Biren 3d0529483b Add supplicant service to the dumpstate
exceptions and dontaudit lists.

wpa_supplicant does not have a dump() method, so
dumpstate shouldn't need to access this HAL.

Bug: 213616004
Test: Treehugger tests
Change-Id: I5a0d80725434b56c9663948c3727faea9fb38db6
2022-01-14 17:17:31 +00:00

39 lines
1.7 KiB
Text

# HwBinder IPC from client to server
binder_call(hal_wifi_supplicant_client, hal_wifi_supplicant_server)
binder_call(hal_wifi_supplicant_server, hal_wifi_supplicant_client)
hal_attribute_hwservice(hal_wifi_supplicant, hal_wifi_supplicant_hwservice)
hal_attribute_service(hal_wifi_supplicant, hal_wifi_supplicant_service)
# in addition to ioctls allowlisted for all domains, grant hal_wifi_supplicant priv_sock_ioctls.
allowxperm hal_wifi_supplicant self:udp_socket ioctl priv_sock_ioctls;
r_dir_file(hal_wifi_supplicant, sysfs_type)
r_dir_file(hal_wifi_supplicant, proc_net_type)
allow hal_wifi_supplicant kernel:system module_request;
allow hal_wifi_supplicant self:global_capability_class_set { setuid net_admin setgid net_raw };
allow hal_wifi_supplicant cgroup:dir create_dir_perms;
allow hal_wifi_supplicant cgroup_v2:dir create_dir_perms;
allow hal_wifi_supplicant self:netlink_route_socket nlmsg_write;
allow hal_wifi_supplicant self:netlink_socket create_socket_perms_no_ioctl;
allow hal_wifi_supplicant self:netlink_generic_socket create_socket_perms_no_ioctl;
allow hal_wifi_supplicant self:packet_socket create_socket_perms;
allowxperm hal_wifi_supplicant self:packet_socket ioctl { unpriv_sock_ioctls priv_sock_ioctls unpriv_tty_ioctls };
use_keystore(hal_wifi_supplicant)
binder_use(hal_wifi_supplicant_server)
# Allow the WI-FI HAL to use keys in the keystore namespace wifi_key.
allow hal_wifi_supplicant wifi_key:keystore2_key {
get_info
use
};
###
### neverallow rules
###
# wpa_supplicant should not trust any data from sdcards
neverallow hal_wifi_supplicant_server { sdcard_type fuse }:dir ~getattr;
neverallow hal_wifi_supplicant_server { sdcard_type fuse }:file *;