764 lines
18 KiB
Plaintext
764 lines
18 KiB
Plaintext
# Copyright 2007-2008 Roy Marples <roy@marples.name>
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# All rights reserved. Released under the 2-clause BSD license.
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_config_vars="$_config_vars ssid mode associate_timeout sleep_scan"
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_config_vars="$_config_vars preferred_aps blacklist_aps"
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iwconfig_depend()
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{
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program /sbin/iwconfig
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after plug
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before interface
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provide wireless
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}
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iwconfig_get_wep_status()
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{
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local mode= status="disabled"
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# No easy way of doing this grep in bash regex :/
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if LC_ALL=C iwconfig "${IFACE}" | \
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grep -qE "^ +Encryption key:[*0-9,A-F]"; then
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status="enabled"
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mode=$(LC_ALL=C iwconfig "${IFACE}" | \
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sed -n -e 's/^.*Security mode:\(.*[^ ]\).*/\1/p')
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[ -n "${mode}" ] && mode=" - ${mode}"
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fi
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echo "(WEP ${status}${mode})"
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}
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_get_ssid()
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{
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local i=5 ssid=
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while [ ${i} -gt 0 ]; do
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ssid=$(iwgetid --raw "${IFACE}")
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if [ -n "${ssid}" ]; then
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echo "${ssid}"
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return 0
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fi
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sleep 1
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i=$((${i} + 1))
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done
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return 1
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}
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_get_ap_mac_address()
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{
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local mac="$(iwgetid --raw --ap "${IFACE}")"
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case "${mac}" in
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"00:00:00:00:00:00") return 1;;
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"44:44:44:44:44:44") return 1;;
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"FF:00:00:00:00:00") return 1;;
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"FF:FF:FF:FF:FF:FF") return 1;;
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*) echo "${mac}";;
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esac
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}
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iwconfig_get_mode()
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{
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LC_ALL=C iwgetid --mode "${IFACE}" | \
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sed -n -e 's/^.*Mode:\(.*\)/\1/p' | \
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tr '[:upper:]' '[:lower:]'
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}
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iwconfig_set_mode()
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{
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local mode="$1"
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[ "${mode}" = "$(iwconfig_get_mode)" ] && return 0
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# Devicescape stack requires the interface to be down
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_down
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iwconfig "${IFACE}" mode "${mode}" || return 1
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_up
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}
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iwconfig_get_type()
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{
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LC_ALL=C iwconfig "${IFACE}" | \
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sed -n -e 's/^'"$1"' *\([^ ]* [^ ]*\).*/\1/p'
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}
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iwconfig_report()
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{
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local mac= m="connected to"
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local ssid="$(_get_ssid)"
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local wep_status="$(iwconfig_get_wep_status)"
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local channel="$(iwgetid --raw --channel "${iface}")"
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[ -n "${channel}" ] && channel="on channel ${channel} "
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local mode="$(iwconfig_get_mode)"
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if [ "${mode}" = "master" ]; then
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m="configured as"
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else
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mac="$(_get_ap_mac_address)"
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[ -n "${mac}" ] && mac=" at ${mac}"
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fi
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eindent
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einfo "${IFACE} ${m} SSID \"${SSID}\"${mac}"
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einfo "in ${mode} mode ${channel}${wep_status}"
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eoutdent
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}
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iwconfig_get_wep_key()
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{
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local mac="$1" key=
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[ -n "${mac}" ] && mac="$(echo "${mac}" | sed -e 's/://g')"
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eval key=\$mac_key_${mac}
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[ -z "${key}" ] && eval key=\$key_${SSIDVAR}
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if [ -z "${key}" ]; then
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echo "off"
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else
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set -- ${key}
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local x= e=false
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for x; do
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if [ "${x}" = "enc" ]; then
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e=true
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break
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fi
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done
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${e} || key="${key} enc open"
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echo "${key}"
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fi
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}
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iwconfig_user_config()
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{
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local conf= var=${SSIDVAR} config=
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[ -z "${var}" ] && var=${IFVAR}
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config="$(_get_array "iwconfig_${var}")"
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local IFS="$__IFS"
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for conf in ${config}; do
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unset IFS
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if ! eval iwconfig "${IFACE}" "${conf}"; then
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ewarn "${IFACE} does not support the following configuration commands"
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ewarn " ${conf}"
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fi
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done
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unset IFS
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config="$(_get_array "iwpriv_${var}")"
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local IFS="$__IFS"
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for conf in ${config}; do
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unset IFS
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if ! eval iwpriv "${IFACE}" "${conf}"; then
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ewarn "${IFACE} does not support the following private ioctls"
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ewarn " ${conf}"
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fi
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done
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}
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iwconfig_setup_specific()
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{
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local mode="$1" channel=
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if [ -z "${SSID}" ]; then
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eerror "${IFACE} requires an SSID to be set to operate in ${mode} mode"
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eerror "adjust the ssid_${IFVAR} setting in /etc/conf.d/net"
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return 1
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fi
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SSIDVAR=$(shell_var "${SSID}")
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local key=$(iwconfig_get_wep_key)
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iwconfig_set_mode "${mode}"
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# Now set the key
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if ! eval iwconfig "${IFACE}" key "${key}"; then
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if [ "${key}" != "off" ]; then
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ewarn "${IFACE} does not support setting keys"
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ewarn "or the parameter \"mac_key_${SSIDVAR}\" or \"key_${SSIDVAR}\" is incorrect"
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fi
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fi
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# Then set the SSID
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if ! iwconfig "${IFACE}" essid "${SSID}"; then
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eerror "${IFACE} does not support setting SSID to \"${SSID}\""
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return 1
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fi
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eval channel=\$channel_${SSIDVAR}
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[ -z "${channel}" ] && eval channel=\$channel_${IFVAR}
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# We default the channel to 3
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if ! iwconfig "${IFACE}" channel "${channel:-3}"; then
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ewarn "${IFACE} does not support setting the channel to \"${channel:-3}\""
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return 1
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fi
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# Finally apply the user Config
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iwconfig_user_config
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iwconfig_report
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return 0
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}
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iwconfig_wait_for_association()
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{
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local timeout= i=0
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eval timeout=\$associate_timeout_${IFVAR}
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timeout=${timeout:-10}
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[ ${timeout} -eq 0 ] \
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&& vewarn "WARNING: infinite timeout set for association on ${IFACE}"
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while true; do
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# Use sysfs if we can
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if [ -e /sys/class/net/"${IFACE}"/carrier ]; then
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if [ "$(cat /sys/class/net/"${IFACE}"/carrier)" = "1" ]; then
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# Double check we have an ssid and a non-zero
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# mac address. This is mainly for buggy
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# prism54 drivers that always set their
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# carrier on or buggy madwifi drivers that
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# sometimes have carrier on and ssid set
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# without being associated. :/
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[ -n "$(iwgetid --raw "${IFACE}")" ] && [ "$(iwgetid --ap --raw "${IFACE}")" != "00:00:00:00:00:00" ] && return 0
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fi
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else
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local atest=
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eval atest=\$associate_test_${IFVAR}
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atest=${atest:-mac}
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if [ "${atest}" = "mac" -o "${atest}" = "all" ]; then
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[ -n "$(_get_ap_mac_address)" ] && return 0
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fi
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if [ "${atest}" = "quality" -o "${atest}" = "all" ]; then
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[ "$(sed -n -e 's/^.*'"${IFACE}"': *[0-9]* *\([0-9]*\).*/\1/p' \
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/proc/net/wireless)" != "0" ] && return 0
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fi
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fi
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sleep 1
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[ ${timeout} -eq 0 ] && continue
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i=$((${i} + 1))
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[ ${i} -ge ${timeout} ] && return 1
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done
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return 1
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}
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iwconfig_associate()
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{
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local mode="${1:-managed}" mac="$2" wep_required="$3"
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local freq="$4" chan="$5"
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local w="(WEP Disabled)" key=
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iwconfig_set_mode "${mode}"
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if [ "${SSID}" = "any" ]; then
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iwconfig "${IFACE}" ap any 2>/dev/null
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unset SSIDVAR
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else
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SSIDVAR=$(shell_var "${SSID}")
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key="$(iwconfig_get_wep_key "${mac}")"
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if [ "${wep_required}" = "on" -a "${key}" = "off" ]; then
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ewarn "WEP key is not set for \"${SSID}\" - not connecting"
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return 1
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fi
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if [ "${wep_required}" = "off" -a "${key}" != "off" ]; then
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key="off"
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ewarn "\"${SSID}\" is not WEP enabled - ignoring setting"
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fi
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if ! eval iwconfig "${IFACE}" key "${key}"; then
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if [ "${key}" != "off" ]; then
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ewarn "${IFACE} does not support setting keys"
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ewarn "or the parameter \"mac_key_${SSIDVAR}\" or \"key_${SSIDVAR}\" is incorrect"
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return 1
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fi
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fi
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[ "${key}" != "off" ] && w="$(iwconfig_get_wep_status "${iface}")"
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fi
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if ! iwconfig "${IFACE}" essid "${SSID}"; then
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if [ "${SSID}" != "any" ]; then
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ewarn "${IFACE} does not support setting SSID to \"${SSID}\""
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fi
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fi
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# Only use channel or frequency
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if [ -n "${chan}" ]; then
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iwconfig "${IFACE}" channel "${chan}"
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elif [ -n "${freq}" ]; then
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iwconfig "${IFACE}" freq "${freq}"
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fi
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[ -n "${mac}" ] && iwconfig "${IFACE}" ap "${mac}"
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# Finally apply the user Config
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iwconfig_user_config
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ebegin "Connecting to \"${SSID}\" in ${mode} mode ${w}"
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if [ "${SSID}" != "any" ] && type preassociate >/dev/null 2>&1; then
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veinfo "Running preassociate function"
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veindent
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( preassociate )
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local e=$?
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veoutdent
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if [ ${e} -eq 0 ]; then
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veend 1 "preassociate \"${SSID}\" on ${IFACE} failed"
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return 1
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fi
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fi
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if ! iwconfig_wait_for_association; then
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eend 1
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return 1
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fi
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eend 0
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if [ "${SSID}" = "any" ]; then
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SSID="$(_get_ssid)"
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iwconfig_associate
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return $?
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fi
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iwconfig_report
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if type postassociate >/dev/null 2>&1; then
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veinfo "Running postassociate function"
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veindent
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( postassociate )
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veoutdent
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fi
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return 0
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}
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iwconfig_scan()
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{
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local x= i=0 scan=
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einfo "Scanning for access points"
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eindent
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# Sleep if required
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eval x=\$sleep_scan_${IFVAR}
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[ -n "${x}" ] && sleep "${x}"
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while [ ${i} -lt 3 ]; do
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local scan="${scan}${scan:+ }$(LC_ALL=C iwlist "${IFACE}" scan 2>/dev/null | sed -e "s/'/'\\\\''/g" -e "s/$/'/g" -e "s/^/'/g")"
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# If this is the first pass and txpower as off and we have no
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# results then we need to wait for at least 2 seconds whilst
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# the interface does an initial scan.
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if [ "${i}" = "0" -a "${txpowerwasoff}" = "0" ]; then
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case "${scan}" in
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"'${IFACE} "*"No scan results"*)
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sleep 2
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txpowerwasoff=1
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continue
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;;
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esac
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fi
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i=$((${i} + 1))
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done
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if [ -z "${scan}" ]; then
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ewarn "${iface} does not support scanning"
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eoutdent
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eval x=\$adhoc_ssid_${IFVAR}
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[ -n "${x}" ] && return 0
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if [ -n "${preferred_aps}" ]; then
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[ "${associate_order}" = "forcepreferred" ] || \
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[ "${associate_order}" = "forcepreferredonly" ] && return 0
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fi
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eerror "You either need to set a preferred_aps list in /etc/conf.d/wireless"
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eerror " preferred_aps=\"SSID1 SSID2\""
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eerror " and set associate_order_${IFVAR}=\"forcepreferred\""
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eerror " or set associate_order_${IFVAR}=\"forcepreferredonly\""
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eerror "or hardcode the SSID to \"any\" and let the driver find an Access Point"
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eerror " ssid_${IFVAR}=\"any\""
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eerror "or configure defaulting to Ad-Hoc when Managed fails"
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eerror " adhoc_ssid_${IFVAR}=\"WLAN\""
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eerror "or hardcode the SSID against the interface (not recommended)"
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eerror " ssid_${IFVAR}=\"SSID\""
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return 1
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fi
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APS=-1
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eval set -- ${scan}
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for line; do
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case "${line}" in
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*Address:*)
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APS=$((${APS} + 1))
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eval MAC_${APS}="\""$(echo "${line#*: }" | tr '[:lower:]' '[:upper:]')"\""
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eval QUALITY_${APS}=0
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;;
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*ESSID:*)
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x=${line#*\"}
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x=${x%*\"}
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eval SSID_${APS}=\$x
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;;
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*Mode:*)
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x="$(echo "${line#*:}" | tr '[:upper:]' '[:lower:]')"
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if [ "${x}" = "master" ]; then
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eval MODE_${APS}=managed
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else
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eval MODE_${APS}=\$x
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fi
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;;
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*'Encryption key:'*)
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x=${line#*:}
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eval ENC_${APS}=\$x
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;;
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#*Frequency:*)
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# freq[i]="${line#*:}"
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# x="${freq[i]#* }"
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# freq[i]="${freq[i]%% *}${x:0:1}"
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# ;;
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*Channel:*)
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x=${line#*:}
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x=${x%% *}
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eval CHAN_${APS}=\$x
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;;
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*Quality*)
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x=${line#*:}
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x=${x%/*}
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x="$(echo "${x}" | sed -e 's/[^[:digit:]]//g')"
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x=${x:-0}
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eval QUALITY_${APS}=\$x
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;;
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esac
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done
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if [ -z "${MAC_0}" ]; then
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ewarn "no access points found"
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eoutdent
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return 1
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fi
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# Sort based on quality
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local i=0 k=1 a= b= x= t=
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while [ ${i} -lt ${APS} ]; do
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k=$((${i} + 1))
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while [ ${k} -le ${APS} ]; do
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eval a=\$QUALITY_${i}
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[ -z "${a}" ] && break
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eval b=\$QUALITY_${k}
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if [ -n "${b}" -a "${a}" -lt "${b}" ]; then
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for x in MAC SSID MODE CHAN QUALITY ENC; do
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eval t=\$${x}_${i}
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eval ${x}_${i}=\$${x}_${k}
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eval ${x}_${k}=\$t
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done
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fi
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k=$((${k} + 1))
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done
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i=$((${i} + 1))
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done
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# Strip any duplicates
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local i=0 k=1 a= b=
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while [ ${i} -lt ${APS} ]; do
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k=$((${i} + 1))
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while [ ${k} -le ${APS} ]; do
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eval a=\$MAC_${i}
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eval b=\$MAC_${k}
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if [ "${a}" = "${b}" ]; then
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eval a=\$QUALITY_${i}
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eval b=\$QUALITY_${k}
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local u=${k}
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# We need to split this into two tests, otherwise bash errors
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[ -n "${a}" -a -n "${b}" ] && [ "${a}" -lt "${b}" ] && u=${i}
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unset MAC_${u} SSID_${u} MODE_${u} CHAN_${u} QUALITY_${u} ENC_${u}
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fi
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k=$((${k} + 1))
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done
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i=$((${i} + 1))
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done
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local i=0 e= m= s=
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while [ ${i} -le ${APS} ]; do
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eval x=\$MAC_${i}
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if [ -z "${x}" ]; then
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i=$((${i} + 1))
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continue
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fi
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eval m=\$MODE_${i}
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eval s=\$SSID_${i}
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eval q=\$QUALITY_${i}
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eval e=\$ENC_${i}
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if [ -n "${e}" -a "${e}" != "off" ]; then
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e=", encrypted"
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else
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e=""
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fi
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if [ -z "${s}" ]; then
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einfo "Found ${x}, ${m}${e}"
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else
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einfo "Found \"${s}\" at ${x}, ${m}${e}"
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fi
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x="$(echo "${x}" | sed -e 's/://g')"
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eval x=\$mac_ssid_${x}
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if [ -n "${x}" ]; then
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eval SSID_${i}=\$x
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s=${x}
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eindent
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einfo "mapping to \"${x}\""
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eoutdent
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fi
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eval set -- $(_flatten_array "blacklist_aps_${IFVAR}")
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[ $# = 0 ] && eval set -- $(_flatten_array "blacklist_aps")
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for x; do
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if [ "${x}" = "${s}" ]; then
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ewarn "${s} has been blacklisted - not connecting"
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unset SSID_${i} MAC_${i} ${MODE}_${i} CHAN_${i} QUALITY_${i} ENC_${i}
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fi
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done
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i=$((${i} + 1))
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done
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eoutdent
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}
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iwconfig_force_preferred()
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{
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eval set -- $(_flatten_array "preferred_aps_${IFVAR}")
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[ $# = 0 ] && eval set -- $(_flatten_array "preferred_aps")
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[ $# = 0 ] && return 1
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ewarn "Trying to force preferred in case they are hidden"
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for ssid; do
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local found_AP=false i=0 e=
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while [ ${i} -le ${APS} ]; do
|
|
eval e=\$SSID_${i}
|
|
if [ "${e}" = "${ssid}" ]; then
|
|
found_AP=true
|
|
break
|
|
fi
|
|
i=$((${i} + 1))
|
|
done
|
|
if ! ${found_AP}; then
|
|
SSID=${ssid}
|
|
iwconfig_associate && return 0
|
|
fi
|
|
done
|
|
|
|
ewarn "Failed to associate with any preferred access points on ${IFACE}"
|
|
return 1
|
|
}
|
|
|
|
iwconfig_connect_preferred()
|
|
{
|
|
local ssid= i= mode= mac= enc= freq= chan=
|
|
eval set -- $(_flatten_array "preferred_aps_${IFVAR}")
|
|
[ $# = 0 ] && eval set -- $(_flatten_array "preferred_aps")
|
|
|
|
for ssid; do
|
|
unset IFS
|
|
i=0
|
|
while [ ${i} -le ${APS} ]; do
|
|
eval e=\$SSID_${i}
|
|
if [ "${e}" = "${ssid}" ]; then
|
|
SSID=${e}
|
|
eval mode=\$MODE_${i}
|
|
eval mac=\$MAC_${i}
|
|
eval enc=\$ENC_${i}
|
|
eval freq=\$FREQ_${i}
|
|
eval chan=\$CHAN_${i}
|
|
iwconfig_associate "${mode}" "${mac}" "${enc}" "${freq}" \
|
|
"${chan}" && return 0
|
|
fi
|
|
i=$((${i} + 1))
|
|
done
|
|
done
|
|
|
|
return 1
|
|
}
|
|
|
|
iwconfig_connect_not_preferred()
|
|
{
|
|
local ssid= i=0 mode= mac= enc= freq= chan= pref=false
|
|
|
|
while [ ${i} -le ${APS} ]; do
|
|
eval e=\$SSID_${i}
|
|
if [ -n "${e}" ]; then
|
|
eval set -- $(_flatten_array "preferred_aps_${IFVAR}")
|
|
[ $# = 0 ] && eval set -- $(_flatten_array "preferred_aps")
|
|
for ssid; do
|
|
if [ "${e}" = "${ssid}" ]; then
|
|
pref=true
|
|
break
|
|
fi
|
|
done
|
|
|
|
if ! ${pref}; then
|
|
SSID=${e}
|
|
eval mode=\$MODE_${i}
|
|
eval mac=\$MAC_${i}
|
|
eval enc=\$ENC_${i}
|
|
eval freq=\$FREQ_${i}
|
|
eval chan=\$CHAN_${i}
|
|
iwconfig_associate "${mode}" "${mac}" "${enc}" "${freq}" \
|
|
"${chan}" && return 0
|
|
fi
|
|
fi
|
|
i=$((${i} + 1))
|
|
done
|
|
|
|
return 1
|
|
}
|
|
|
|
iwconfig_defaults()
|
|
{
|
|
# Turn on the radio
|
|
iwconfig "${IFACE}" txpower on 2>/dev/null
|
|
|
|
# Release the AP forced
|
|
# Must do ap and then ssid otherwise scanning borks
|
|
iwconfig "${IFACE}" ap off 2>/dev/null
|
|
iwconfig "${IFACE}" essid off 2>/dev/null
|
|
}
|
|
|
|
iwconfig_configure()
|
|
{
|
|
local x= APS=-1
|
|
eval SSID=\$ssid_${IFVAR}
|
|
|
|
# Support old variable
|
|
[ -z "${SSID}" ] && eval SSID=\$essid_${IFVAR}
|
|
|
|
# Setup ad-hoc mode?
|
|
eval x=\$mode_${IFVAR}
|
|
x=${x:-managed}
|
|
if [ "${x}" = "ad-hoc" -o "${x}" = "master" ]; then
|
|
iwconfig_setup_specific "${x}"
|
|
return $?
|
|
fi
|
|
|
|
if [ "${x}" != "managed" -a "${x}" != "auto" ]; then
|
|
eerror "Only managed, ad-hoc, master and auto modes are supported"
|
|
return 1
|
|
fi
|
|
|
|
# Has an SSID been forced?
|
|
if [ -n "${SSID}" ]; then
|
|
iwconfig_set_mode "${x}"
|
|
iwconfig_associate && return 0
|
|
[ "${SSID}" = "any" ] && iwconfig_force_preferred && return 0
|
|
|
|
eval SSID=\$adhoc_ssid_${IFVAR}
|
|
if [ -n "${SSID}" ]; then
|
|
iwconfig_setup_specific ad-hoc
|
|
return $?
|
|
fi
|
|
return 1
|
|
fi
|
|
|
|
eval x=\$preferred_aps_${IFVAR}
|
|
[ -n "${x}" ] && preferred_aps=${x}
|
|
|
|
eval x=\$blacklist_aps_${IFVAR}
|
|
[ -n "${x}" ] && blacklist_aps=${x}
|
|
|
|
eval x=\$associate_order_${IFVAR}
|
|
[ -n "${x}" ] && associate_order=${x}
|
|
associate_order=${associate_order:-any}
|
|
|
|
if [ "${associate_order}" = "forcepreferredonly" ]; then
|
|
iwconfig_force_preferred && return 0
|
|
else
|
|
iwconfig_scan || return 1
|
|
iwconfig_connect_preferred && return 0
|
|
[ "${associate_order}" = "forcepreferred" ] || \
|
|
[ "${associate_order}" = "forceany" ] && \
|
|
iwconfig_force_preferred && return 0
|
|
[ "${associate_order}" = "any" ] || \
|
|
[ "${associate_order}" = "forceany" ] && \
|
|
iwconfig_connect_not_preferred && return 0
|
|
fi
|
|
|
|
e="associate with"
|
|
[ -z "${MAC_0}" ] && e="find"
|
|
[ "${preferred_aps}" = "force" ] || \
|
|
[ "${preferred_aps}" = "forceonly" ] && \
|
|
e="force"
|
|
e="Couldn't ${e} any access points on ${IFACE}"
|
|
|
|
eval SSID=\$adhoc_ssid_${IFVAR}
|
|
if [ -n "${SSID}" ]; then
|
|
ewarn "${e}"
|
|
iwconfig_setup_specific ad-hoc
|
|
return $?
|
|
fi
|
|
|
|
eerror "${e}"
|
|
return 1
|
|
}
|
|
|
|
iwconfig_pre_start()
|
|
{
|
|
# We don't configure wireless if we're being called from
|
|
# the background
|
|
yesno ${IN_BACKGROUND} && return 0
|
|
|
|
service_set_value "SSID" ""
|
|
_exists || return 0
|
|
|
|
if ! _is_wireless; then
|
|
veinfo "Wireless extensions not found for ${IFACE}"
|
|
return 0
|
|
fi
|
|
|
|
# Warn about old file - we want to punt it really
|
|
if [ -e /etc/conf.d/wireless ]; then
|
|
ewarn "/etc/conf.d/wireless is deprecated"
|
|
ewarn "Please put all settings into /etc/conf.d/net"
|
|
. /etc/conf.d/wireless
|
|
fi
|
|
|
|
# Store the fact that tx-power was off so we default to a longer
|
|
# wait if our scan returns nothing
|
|
LC_ALL=C iwconfig "${IFACE}" | sed -e '1d' | grep -q "Tx-Power=off"
|
|
local txpowerwasoff=$?
|
|
|
|
iwconfig_defaults
|
|
iwconfig_user_config
|
|
|
|
# Set the base metric to be 2000
|
|
metric=2000
|
|
|
|
# Check for rf_kill - only ipw supports this at present, but other
|
|
# cards may in the future.
|
|
if [ -e /sys/class/net/"${IFACE}"/device/rf_kill ]; then
|
|
if [ $(cat /sys/class/net/"${IFACE}"/device/rf_kill) != "0" ]; then
|
|
eerror "Wireless radio has been killed for interface ${IFACE}"
|
|
return 1
|
|
fi
|
|
fi
|
|
|
|
einfo "Configuring wireless network for ${IFACE}"
|
|
|
|
# Are we a proper IEEE device?
|
|
# Most devices reutrn IEEE 802.11b/g - but intel cards return IEEE
|
|
# in lower case and RA cards return RAPCI or similar
|
|
# which really sucks :(
|
|
# For the time being, we will test prism54 not loading firmware
|
|
# which reports NOT READY!
|
|
x="$(iwconfig_get_type)"
|
|
if [ "${x}" = "NOT READY!" ]; then
|
|
eerror "Looks like there was a problem loading the firmware for ${IFACE}"
|
|
return 1
|
|
fi
|
|
|
|
if iwconfig_configure; then
|
|
service_set_value "SSID" "${SSID}"
|
|
return 0
|
|
fi
|
|
|
|
eerror "Failed to configure wireless for ${IFACE}"
|
|
iwconfig_defaults
|
|
iwconfig "${IFACE}" txpower off 2>/dev/null
|
|
unset SSID SSIDVAR
|
|
_down
|
|
return 1
|
|
}
|
|
|
|
iwconfig_post_stop()
|
|
{
|
|
yesno ${IN_BACKGROUND} && return 0
|
|
_exists || return 0
|
|
iwconfig_defaults
|
|
iwconfig "${IFACE}" txpower off 2>/dev/null
|
|
}
|