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# Copyright 2004-2007 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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wpa_supplicant_depend() {
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program start /sbin/wpa_supplicant
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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>/dev/null ; 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=\(.*\)$/\1/p' \
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| tr '[:lower:]' '[:upper:]'
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}
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fi
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wpa_supplicant_pre_start() {
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local opts= cfgfile= ctrl_dir=
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_is_wireless || return 0
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# We don't configure wireless if we're being called from
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# the background unless we're not currently running
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if [ "${IN_BACKGROUND}" = "true" ] ; then
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if service_started_daemon "${SVCNAME}" /sbin/wpa_supplicant ; then
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SSID=$(_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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eval opts=\$wpa_supplicant_${IFVAR}
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ebegin "Starting wpa_supplicant on" "${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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start-stop-daemon --start --exec /sbin/wpa_supplicant \
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--pidfile "/var/run/wpa_supplicant-${IFACE}.pid" \
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-- ${opts} -W -B -i "${IFACE}" \
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-P "/var/run/wpa_supplicant-${IFACE}.pid"
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eend $? || return 1
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# Starting wpa_supplication-0.4.0, we can get wpa_cli to
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# start/stop our scripts from wpa_supplicant messages
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local inact=false
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service_inactive "${SVCNAME}" && inact=true
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mark_service_inactive "${SVCNAME}"
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ebegin "Starting wpa_cli on" "${IFACE}"
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start-stop-daemon --start --exec /bin/wpa_cli \
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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 $? ; then
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ebegin "Backgrounding ..."
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exit 1
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fi
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# wpa_cli failed to start? OK, error here
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start-stop-daemon --quiet --stop --exec /sbin/wpa_supplicant \
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--pidfile "/var/run/wpa_supplicant-${IFACE}.pid"
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${inact} || mark_service_stopped "${SVCNAME}"
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return 1
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}
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wpa_supplicant_post_stop() {
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if [ "${IN_BACKGROUND}" = "true" ] ; then
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# Only stop wpa_supplicant if it's not the controlling daemon
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! service_started_daemon "${SVCNAME}" /sbin/wpa_supplicant 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 ${IFACE}"
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start-stop-daemon --stop --exec /bin/wpa_cli \
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--pidfile "${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 ${IFACE}"
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start-stop-daemon --stop --exec /sbin/wpa_supplicant \
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--pidfile "${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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