214 lines
6.0 KiB
Bash
214 lines
6.0 KiB
Bash
# Copyright 2007 Roy Marples
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# All rights reserved
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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wpa_supplicant_depend() {
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if [ -x /usr/sbin/wpa_supplicant ]; then
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program start /usr/sbin/wpa_supplicant
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else
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program start /sbin/wpa_supplicant
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fi
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after macnet plug
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before interface
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provide wireless
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# Prefer us over iwconfig
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after iwconfig
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}
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# Only set these functions if not set already
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# IE, prefer to use iwconfig
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if ! type _get_ssid >/dev/null 2>&1; then
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_get_ssid() {
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local timeout=5 ssid=
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while [ ${timeout} -gt 0 ]; do
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ssid=$(wpa_cli -i"${IFACE}" status | sed -n -e 's/^ssid=//p')
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if [ -n "${ssid}" ]; then
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echo "${ssid}"
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return 0
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fi
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sleep 1
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timeout=$((timeout - 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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wpa_cli -i"${IFACE}" status | sed -n -e 's/^bssid=\(.*\)$/\1/p' \
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| tr '[:lower:]' '[:upper:]'
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}
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fi
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wpa_supplicant_pre_start() {
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local opts= cfgfile= ctrl_dir= wireless=true
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local wpas=/usr/sbin/wpa_supplicant wpac=/usr/bin/wpa_cli
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if [ ! -x "${wpas}" ]; then
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wpas=/sbin/wpa_supplicant
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wpac=/bin/wpa_cli
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fi
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[ "${RC_UNAME}" = "Linux" ] || unset wpac
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eval opts=\$wpa_supplicant_${IFVAR}
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case " ${opts} " in
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*" -Dwired "*) wireless=false;;
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*) _is_wireless || return 0;;
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esac
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# We don't configure wireless if we're being called from
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# the background unless we're not currently running
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if yesno ${IN_BACKGROUND}; then
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if ${wireless} && service_started_daemon "${SVCNAME}" "${wpas}"; then
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SSID=$(_get_ssid "${IFACE}")
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SSIDVAR=$(_shell_var "${SSID}")
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save_options "SSID" "${SSID}"
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metric=2000
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fi
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return 0
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fi
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save_options "SSID" ""
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ebegin "Starting wpa_supplicant on ${IFVAR}"
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if [ -x /sbin/iwconfig ]; then
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local x=
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for x in txpower rate rts frag; do
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iwconfig "${IFACE}" "${x}" auto 2>/dev/null
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done
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fi
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cfgfile=${opts##* -c}
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if [ -n "${cfgfile}" -a "${cfgfile}" != "${opts}" ]; then
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case "${cfgfile}" in
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" "*) cfgfile=${cfgfile# *};;
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esac
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cfgfile=${cfgfile%% *}
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else
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# Support new and old style locations
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cfgfile="/etc/wpa_supplicant/wpa_supplicant-${IFACE}.conf"
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[ ! -e "${cfgfile}" ] \
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&& cfgfile="/etc/wpa_supplicant/wpa_supplicant.conf"
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[ ! -e ${cfgfile} ] \
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&& cfgfile="/etc/wpa_supplicant.conf"
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opts="${opts} -c ${cfgfile}"
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fi
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if [ ! -f ${cfgfile} ]; then
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eend 1 "/etc/wpa_supplicant/wpa_supplicant.conf not found"
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return 1
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fi
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# Work out where the ctrl_interface dir is if it's not specified
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local ctrl_dir=$(sed -n -e 's/[[:space:]]*#.*//g;s/[[:space:]]*$//g;s/^ctrl_interface=//p' "${cfgfile}")
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if [ -z "${ctrl_dir}" ]; then
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ctrl_dir=${opts##* -C}
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if [ -n "${ctrl_dir}" -a "${ctrl_dir}" != "${opts}" ]; then
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case "${ctrl_dir}" in
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" "*) ctrl_dir=${ctrl_dir# *};;
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esac
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ctrl_dir=${ctrl_dir%% *}
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else
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ctrl_dir="/var/run/wpa_supplicant"
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opts="${opts} -C ${ctrl_dir}"
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fi
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fi
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save_options ctrl_dir "${ctrl_dir}"
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actfile="/etc/wpa_supplicant/wpa_cli.sh"
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if [ -n "${wpac}" ]; then
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opts="${opts} -W"
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else
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sleep 2 # FBSD 7.0 beta2 bug
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mark_service_inactive
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fi
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start-stop-daemon --start --exec "${wpas}" \
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--pidfile "/var/run/wpa_supplicant-${IFACE}.pid" \
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-- ${opts} -B -i "${IFACE}" \
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-P "/var/run/wpa_supplicant-${IFACE}.pid"
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eend $? || return 1
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if [ -z "${wpac}" ]; then
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ebegin "Backgrounding ..."
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exit 1
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fi
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# Starting wpa_supplication-0.4.0, we can get wpa_cli to
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# start/stop our scripts from wpa_supplicant messages
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local inact=false
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service_inactive && inact=true
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mark_service_inactive
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ebegin "Starting wpa_cli on" "${IFACE}"
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start-stop-daemon --start --exec "${wpac}" \
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--pidfile "/var/run/wpa_cli-${IFACE}.pid" \
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-- -a /etc/wpa_supplicant/wpa_cli.sh -p "${ctrl_dir}" -i "${IFACE}" \
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-P "/var/run/wpa_cli-${IFACE}.pid" -B
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if eend $?; then
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ebegin "Backgrounding ..."
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exit 1
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fi
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# wpa_cli failed to start? OK, error here
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start-stop-daemon --quiet --stop --exec "${wpas}" \
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--pidfile "/var/run/wpa_supplicant-${IFACE}.pid"
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${inact} || mark_service_stopped
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return 1
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}
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wpa_supplicant_post_stop() {
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local wpas=/usr/sbin/wpa_supplicant wpac=/usr/bin/wpa_cli
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if [ ! -x "${wpas}" ]; then
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wpas=/sbin/wpa_supplicant
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wpac=/bin/wpa_cli
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fi
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if yesno "${IN_BACKGROUND}"; then
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# Only stop wpa_supplicant if it's not the controlling daemon
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! service_started_daemon "${SVCNAME}" "${wpas}" 1
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fi
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[ $? != 0 ] && return 0
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local pidfile="/var/run/wpa_cli-${IFACE}.pid"
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if [ -f ${pidfile} ]; then
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ebegin "Stopping wpa_cli on ${IFACE}"
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start-stop-daemon --stop --exec "${wpac}" --pidfile "${pidfile}"
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eend $?
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fi
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pidfile="/var/run/wpa_supplicant-${IFACE}.pid"
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if [ -f ${pidfile} ]; then
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ebegin "Stopping wpa_supplicant on ${IFACE}"
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start-stop-daemon --stop --exec "${wpas}" --pidfile "${pidfile}"
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eend $?
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fi
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# If wpa_supplicant exits uncleanly, we need to remove the stale dir
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[ -S "/var/run/wpa_supplicant/${IFACE}" ] \
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&& rm -f "/var/run/wpa_supplicant/${IFACE}"
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}
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# vim: set ts=4 :
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