35a4ed80a6
wpa should never trust any data coming from the sdcard. Add a compile time assertion to make sure no rules are ever added allowing this access. Change-Id: I5f50a8242aa30f6cc0cfd89d82b2b153625105f6
48 lines
1.2 KiB
Plaintext
48 lines
1.2 KiB
Plaintext
# wpa - wpa supplicant or equivalent
|
|
type wpa, domain;
|
|
type wpa_exec, exec_type, file_type;
|
|
|
|
init_daemon_domain(wpa)
|
|
|
|
net_domain(wpa)
|
|
|
|
allow wpa kernel:system module_request;
|
|
allow wpa self:capability { setuid net_admin setgid net_raw };
|
|
allow wpa cgroup:dir create_dir_perms;
|
|
allow wpa self:netlink_route_socket nlmsg_write;
|
|
allow wpa self:netlink_socket create_socket_perms;
|
|
allow wpa self:packet_socket create_socket_perms;
|
|
allow wpa wifi_data_file:dir create_dir_perms;
|
|
allow wpa wifi_data_file:file create_file_perms;
|
|
unix_socket_send(wpa, system_wpa, system_server)
|
|
|
|
binder_use(wpa)
|
|
|
|
# Create a socket for receiving info from wpa
|
|
type_transition wpa wifi_data_file:dir wpa_socket "sockets";
|
|
allow wpa wpa_socket:dir create_dir_perms;
|
|
allow wpa wpa_socket:sock_file create_file_perms;
|
|
|
|
use_keystore(wpa)
|
|
|
|
# WPA (wifi) has a restricted set of permissions from the default.
|
|
allow wpa keystore:keystore_key {
|
|
get
|
|
sign
|
|
verify
|
|
};
|
|
|
|
# Allow wpa_cli to work. wpa_cli creates a socket in
|
|
# /data/misc/wifi/sockets which wpa supplicant communicates with.
|
|
userdebug_or_eng(`
|
|
unix_socket_send(wpa, wpa, su)
|
|
')
|
|
|
|
###
|
|
### neverallow rules
|
|
###
|
|
|
|
# wpa_supplicant should not trust any data from sdcards
|
|
neverallow wpa sdcard_type:dir ~getattr;
|
|
neverallow wpa sdcard_type:file *;
|