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|
NETIFD_MAIN_DIR="${NETIFD_MAIN_DIR:-/lib/netifd}"
. /usr/share/libubox/jshn.sh
. $NETIFD_MAIN_DIR/utils.sh
CMD_UP=0
CMD_SET_DATA=1
CMD_PROCESS_ADD=2
CMD_PROCESS_KILL_ALL=3
CMD_SET_RETRY=4
add_driver() {
return
}
wireless_setup_vif_failed() {
local error="$1"
echo "Interface $_w_iface setup failed: $error"
}
wireless_setup_failed() {
local error="$1"
echo "Device setup failed: $error"
wireless_set_retry 0
}
prepare_key_wep() {
local key="$1"
local hex=1
echo -n "$key" | grep -qE "[^a-fA-F0-9]" && hex=0
[ "${#key}" -eq 10 -a $hex -eq 1 ] || \
[ "${#key}" -eq 26 -a $hex -eq 1 ] || {
[ "${key:0:2}" = "s:" ] && key="${key#s:}"
key="$(echo -n "$key" | hexdump -ve '1/1 "%02x" ""')"
}
echo "$key"
}
_wdev_prepare_channel() {
json_get_vars channel hwmode
auto_channel=0
enable_ht=0
htmode=
hwmode="${hwmode##11}"
hwmode_n="${hwmode##n}"
case "$channel" in
""|0|auto)
channel=0
auto_channel=1
;;
[0-9]*) ;;
*)
wireless_setup_failed "INVALID_CHANNEL"
;;
esac
[[ "$hwmode_n" = "$hwmode" ]] || {
enable_ht=1
hwmode="$hwmode_n"
json_get_vars htmode
case "$htmode" in
HT20|HT40+|HT40-);;
*) htmode= ;;
esac
}
case "$hwmode" in
a|b|g) ;;
*)
if [ "$channel" -gt 14 ]; then
hwmode=a
else
hwmode=g
fi
;;
esac
}
_wdev_handler() {
json_load "$data"
json_select config
_wdev_prepare_channel
json_select ..
eval "drv_$1_$2 \"$interface\""
}
_wdev_msg_call() {
local old_cb
json_set_namespace wdev old_cb
"$@"
json_set_namespace $old_cb
}
_wdev_wrapper() {
while [ -n "$1" ]; do
eval "$1() { _wdev_msg_call _$1 \"\$@\"; }"
shift
done
}
_wdev_notify_init() {
local command="$1"
local interface="$2"
json_init
json_add_int "command" "$command"
json_add_string "device" "$__netifd_device"
[ -n "$interface" ] && json_add_string "interface" "$interface"
json_add_object "data"
}
_wdev_notify() {
local options="$1"
json_close_object
ubus $options call network.wireless notify "$(json_dump)"
}
_wdev_add_variables() {
while [ -n "$1" ]; do
local var="${1%%=*}"
local val="$1"
shift
[[ "$var" = "$val" ]] && continue
val="${val#*=}"
json_add_string "$var" "$val"
done
}
_wireless_add_vif() {
local name="$1"; shift
local ifname="$1"; shift
_wdev_notify_init $CMD_SET_DATA "$name"
json_add_string "ifname" "$ifname"
_wdev_add_variables "$@"
_wdev_notify
}
_wireless_set_up() {
_wdev_notify_init $CMD_UP
_wdev_notify
}
_wireless_set_data() {
_wdev_notify_init $CMD_SET_DATA
_wdev_add_variables "$@"
_wdev_notify
}
_wireless_add_process() {
_wdev_notify_init $CMD_PROCESS_ADD
local exe="$2"
[ -L "$exe" ] && exe="$(readlink -f "$exe")"
json_add_int pid "$1"
json_add_string exe "$exe"
[ -n "$3" ] && json_add_boolean required 1
exe2="$(readlink -f /proc/$pid/exe)"
[ "$exe" = "$exe2" ] && echo "WARNING (wireless_add_process): executable path $exe does not match process $1 path ($exe2)"
_wdev_notify
}
_wireless_process_kill_all() {
_wdev_notify_init $CMD_PROCESS_KILL_ALL
[ -n "$1" ] && json_add_int signal "$1"
_wdev_notify
}
_wireless_set_retry() {
_wdev_notify_init $CMD_SET_RETRY
json_add_int retry "$1"
_wdev_notify
}
_wdev_wrapper \
wireless_add_vif \
wireless_set_up \
wireless_set_data \
wireless_add_process \
wireless_process_kill_all \
wireless_set_retry \
wireless_vif_parse_encryption() {
json_get_vars encryption
set_default encryption none
auth_mode_open=1
auth_mode_shared=0
auth_type=none
wpa_pairwise=CCMP
case "$encryption" in
*tkip+aes|*tkip+ccmp|*aes+tkip|*ccmp+tkip) wpa_pairwise="CCMP TKIP";;
*aes|*ccmp) wpa_pairwise="CCMP";;
*tkip) wpa_pairwise="TKIP";;
esac
# 802.11n requires CCMP for WPA
[ "$enable_ht:$wpa_pairwise" = "1:TKIP" ] && wpa_pairwise="CCMP TKIP"
# Examples:
# psk-mixed/tkip => WPA1+2 PSK, TKIP
# wpa-psk2/tkip+aes => WPA2 PSK, CCMP+TKIP
# wpa2/tkip+aes => WPA2 RADIUS, CCMP+TKIP
case "$encryption" in
wpa2*|*psk2*)
wpa=2
;;
*mixed*)
wpa=3
;;
wpa*|*psk*)
wpa=1
;;
*)
wpa=0
wpa_pairwise=
;;
esac
case "$encryption" in
*psk*)
auth_type=psk
;;
*wpa*|*8021x*)
auth_type=eap
;;
*wep*)
auth_type=wep
case "$encryption" in
*shared*)
auth_mode_open=0
auth_mode_shared=1
;;
*mixed*)
auth_mode_shared=1
;;
esac
;;
esac
}
_wireless_set_brsnoop_isolation() {
local multicast_to_unicast="$1"
local isolate
json_get_var isolate isolate
[ ${isolate:-0} -gt 0 -o -z "$network_bridge" ] && return
[ ${multicast_to_unicast:-1} -gt 0 ] && json_add_boolean isolate 1
}
for_each_interface() {
local _w_types="$1"; shift
local _w_ifaces _w_iface
local _w_type
local _w_found
local multicast_to_unicast
json_get_keys _w_ifaces interfaces
json_select interfaces
for _w_iface in $_w_ifaces; do
json_select "$_w_iface"
if [ -n "$_w_types" ]; then
json_get_var network_bridge bridge
json_get_var multicast_to_unicast multicast_to_unicast
json_select config
_wireless_set_brsnoop_isolation "$multicast_to_unicast"
json_get_var _w_type mode
json_select ..
_w_types=" $_w_types "
[[ "${_w_types%$_w_type*}" = "$_w_types" ]] && {
json_select ..
continue
}
fi
"$@" "$_w_iface"
json_select ..
done
json_select ..
}
_wdev_common_device_config() {
config_add_string channel hwmode htmode
}
_wdev_common_iface_config() {
config_add_string mode ssid encryption 'key:wpakey'
}
init_wireless_driver() {
name="$1"; shift
cmd="$1"; shift
case "$cmd" in
dump)
add_driver() {
eval "drv_$1_cleanup"
json_init
json_add_string name "$1"
json_add_array device
_wdev_common_device_config
eval "drv_$1_init_device_config"
json_close_array
json_add_array iface
_wdev_common_iface_config
eval "drv_$1_init_iface_config"
json_close_array
json_dump
}
;;
setup|teardown)
interface="$1"; shift
data="$1"; shift
export __netifd_device="$interface"
add_driver() {
[[ "$name" == "$1" ]] || return 0
_wdev_handler "$1" "$cmd"
}
;;
esac
}
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