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 } for_each_interface() { local _w_types="$1"; shift local _w_ifaces _w_iface local _w_type local _w_found 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_select config 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 }