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Diffstat (limited to 'package/base-files/files/sbin/wifi')
| -rwxr-xr-x | package/base-files/files/sbin/wifi | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/package/base-files/files/sbin/wifi b/package/base-files/files/sbin/wifi new file mode 100755 index 000000000..ef207878b --- /dev/null +++ b/package/base-files/files/sbin/wifi @@ -0,0 +1,204 @@ +#!/bin/sh +# Copyright (C) 2006 OpenWrt.org + +. /lib/functions.sh + +usage() { + cat <<EOF +Usage: $0 [down|detect] +enables (default), disables or detects a wifi configuration. +EOF + exit 1 +} + +find_net_config() {( + local vif="$1" + local cfg + local ifname + + config_get cfg "$vif" network + + [ -z "$cfg" ] && { + include /lib/network + scan_interfaces + + config_get ifname "$vif" ifname + + cfg="$(find_config "$ifname")" + } + [ -z "$cfg" ] && return 0 + echo "$cfg" +)} + + +bridge_interface() {( + local cfg="$1" + [ -z "$cfg" ] && return 0 + + include /lib/network + scan_interfaces + + for cfg in $cfg; do + config_get iftype "$cfg" type + [ "$iftype" = bridge ] && config_get "$cfg" ifname + prepare_interface_bridge "$cfg" + return $? + done +)} + +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" +} + +wifi_fixup_hwmode() { + local device="$1" + local default="$2" + local hwmode hwmode_11n + + config_get channel "$device" channel + config_get hwmode "$device" hwmode + case "$hwmode" in + 11bg) hwmode=bg;; + 11a) hwmode=a;; + 11b) hwmode=b;; + 11g) hwmode=g;; + 11n*) + hwmode_11n="${hwmode##11n}" + case "$hwmode_11n" in + a|g) ;; + default) hwmode_11n="$default" + esac + config_set "$device" hwmode_11n "$hwmode_11n" + ;; + *) + hwmode= + if [ "${channel:-0}" -gt 0 ]; then + if [ "${channel:-0}" -gt 14 ]; then + hwmode=a + else + hwmode=g + fi + else + hwmode="$default" + fi + ;; + esac + config_set "$device" hwmode "$hwmode" +} + +wifi_updown() { + [ enable = "$1" ] && { + wifi_updown disable "$2" + scan_wifi + } + for device in ${2:-$DEVICES}; do ( + config_get disabled "$device" disabled + [ 1 == "$disabled" ] && { + echo "'$device' is disabled" + set disable + } + config_get iftype "$device" type + if eval "type ${1}_$iftype" 2>/dev/null >/dev/null; then + eval "scan_$iftype '$device'" + eval "${1}_$iftype '$device'" || echo "$device($iftype): ${1} failed" + else + echo "$device($iftype): Interface type not supported" + fi + ); done +} + +wifi_detect() { + for driver in ${2:-$DRIVERS}; do ( + if eval "type detect_$driver" 2>/dev/null >/dev/null; then + eval "detect_$driver" || echo "$driver: Detect failed" >&2 + else + echo "$driver: Hardware detection not supported" >&2 + fi + ); done +} + +start_net() {( + local iface="$1" + local config="$2" + local vifmac="$3" + + [ -f "/var/run/$iface.pid" ] && kill "$(cat /var/run/${iface}.pid)" 2>/dev/null + [ -z "$config" ] || { + include /lib/network + scan_interfaces + for config in $config; do + setup_interface "$iface" "$config" "" "$vifmac" + done + } +)} + +set_wifi_up() { + local cfg="$1" + local ifname="$2" + uci_set_state wireless "$cfg" up 1 + uci_set_state wireless "$cfg" ifname "$ifname" +} + +set_wifi_down() { + local cfg="$1" + local vifs vif vifstr + + [ -f "/var/run/wifi-${cfg}.pid" ] && + kill "$(cat "/var/run/wifi-${cfg}.pid")" 2>/dev/null + uci_revert_state wireless "$cfg" + config_get vifs "$cfg" vifs + for vif in $vifs; do + uci_revert_state wireless "$vif" + done +} + +scan_wifi() { + local cfgfile="$1" + DEVICES= + config_cb() { + local type="$1" + local section="$2" + + # section start + case "$type" in + wifi-device) + append DEVICES "$section" + config_set "$section" vifs "" + config_set "$section" ht_capab "" + ;; + esac + + # section end + config_get TYPE "$CONFIG_SECTION" TYPE + case "$TYPE" in + wifi-iface) + config_get device "$CONFIG_SECTION" device + config_get vifs "$device" vifs + append vifs "$CONFIG_SECTION" + config_set "$device" vifs "$vifs" + ;; + esac + } + config_load "${cfgfile:-wireless}" +} + +DEVICES= +DRIVERS= +include /lib/wifi +scan_wifi + +case "$1" in + down) wifi_updown "disable" "$2";; + detect) wifi_detect "$2";; + --help|help) usage;; + *) wifi_updown "enable" "$2";; +esac |