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# Copyright 2004-2007 Gentoo Foundation
# Copyright 2007 Roy Marples
# All rights reserved
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
wpa_supplicant_depend() {
if [ -x /usr/sbin/wpa_supplicant ]; then
program start /usr/sbin/wpa_supplicant
else
program start /sbin/wpa_supplicant
fi
after macnet plug
before interface
provide wireless
# Prefer us over iwconfig
after iwconfig
}
# Only set these functions if not set already
# IE, prefer to use iwconfig
if ! type _get_ssid >/dev/null 2>/dev/null ; then
_get_ssid() {
local timeout=5 ssid=
while [ ${timeout} -gt 0 ] ;do
ssid=$(wpa_cli -i"${IFACE}" status | sed -n -e 's/^ssid=//p')
if [ -n "${ssid}" ] ; then
echo "${ssid}"
return 0
fi
sleep 1
timeout=$((timeout - 1))
done
return 1
}
_get_ap_mac_address() {
wpa_cli -i"${IFACE}" status | sed -n -e 's/^bssid=\(.*\)$/\1/p' \
| tr '[:lower:]' '[:upper:]'
}
fi
wpa_supplicant_pre_start() {
local opts= cfgfile= ctrl_dir=
local wpas=/usr/sbin/wpa_supplicant wpac=/usr/bin/wpa_cli
if [ ! -x "${wpas}" ]; then
wpas=/sbin/wpa_supplicant
wpac=/bin/wpa_cli
fi
eval opts=\$wpa_supplicant_${IFVAR}
case " ${opts} " in
*" -Dwired "*) ;;
*) _is_wireless || return 0;;
esac
# We don't configure wireless if we're being called from
# the background unless we're not currently running
if [ "${IN_BACKGROUND}" = "true" ] ; then
if service_started_daemon "${SVCNAME}" /sbin/wpa_supplicant ; then
SSID=$(_get_ssid "${IFACE}")
SSIDVAR=$(_shell_var "${SSID}")
save_options "SSID" "${SSID}"
metric=2000
fi
return 0
fi
save_options "SSID" ""
ebegin "Starting wpa_supplicant on" "${IFVAR}"
if [ -x /sbin/iwconfig ] ; then
local x=
for x in txpower rate rts frag ; do
iwconfig "${IFACE}" "${x}" auto 2>/dev/null
done
fi
cfgfile=${opts##* -c}
if [ -n "${cfgfile}" -a "${cfgfile}" != "${opts}" ] ; then
case "${cfgfile}" in
" "*) cfgfile=${cfgfile# *} ;;
esac
cfgfile=${cfgfile%% *}
else
# Support new and old style locations
cfgfile="/etc/wpa_supplicant/wpa_supplicant-${IFACE}.conf"
[ ! -e "${cfgfile}" ] \
&& cfgfile="/etc/wpa_supplicant/wpa_supplicant.conf"
[ ! -e ${cfgfile} ] \
&& cfgfile="/etc/wpa_supplicant.conf"
opts="${opts} -c ${cfgfile}"
fi
if [ ! -f ${cfgfile} ] ; then
eend 1 "/etc/wpa_supplicant/wpa_supplicant.conf not found"
return 1
fi
# Work out where the ctrl_interface dir is if it's not specified
local ctrl_dir=$(sed -n -e 's/[[:space:]]*#.*//g;s/[[:space:]]*$//g;s/^ctrl_interface=//p' "${cfgfile}")
if [ -z "${ctrl_dir}" ] ; then
ctrl_dir=${opts##* -C}
if [ -n "${ctrl_dir}" -a "${ctrl_dir}" != "${opts}" ] ; then
case "${ctrl_dir}" in
" "*) ctrl_dir=${ctrl_dir# *} ;;
esac
ctrl_dir=${ctrl_dir%% *}
else
ctrl_dir="/var/run/wpa_supplicant"
opts="${opts} -C ${ctrl_dir}"
fi
fi
save_options ctrl_dir "${ctrl_dir}"
actfile="/etc/wpa_supplicant/wpa_cli.sh"
start-stop-daemon --start --exec "${wpas}" \
--pidfile "/var/run/wpa_supplicant-${IFACE}.pid" \
-- ${opts} -W -B -i "${IFACE}" \
-P "/var/run/wpa_supplicant-${IFACE}.pid"
eend $? || return 1
# Starting wpa_supplication-0.4.0, we can get wpa_cli to
# start/stop our scripts from wpa_supplicant messages
local inact=false
service_inactive "${SVCNAME}" && inact=true
mark_service_inactive "${SVCNAME}"
ebegin "Starting wpa_cli on" "${IFACE}"
start-stop-daemon --start --exec "${wpac}" \
--pidfile "/var/run/wpa_cli-${IFACE}.pid" \
-- -a /etc/wpa_supplicant/wpa_cli.sh -p "${ctrl_dir}" -i "${IFACE}" \
-P "/var/run/wpa_cli-${IFACE}.pid" -B
if eend $? ; then
ebegin "Backgrounding ..."
exit 1
fi
# wpa_cli failed to start? OK, error here
start-stop-daemon --quiet --stop --exec "${wpas}" \
--pidfile "/var/run/wpa_supplicant-${IFACE}.pid"
${inact} || mark_service_stopped "${SVCNAME}"
return 1
}
wpa_supplicant_post_stop() {
local wpas=/usr/sbin/wpa_supplicant wpac=/usr/bin/wpa_cli
if [ ! -x "${wpas}" ]; then
wpas=/sbin/wpa_supplicant
wpac=/bin/wpa_cli
fi
if [ "${IN_BACKGROUND}" = "true" ] ; then
# Only stop wpa_supplicant if it's not the controlling daemon
! service_started_daemon "${SVCNAME}" "${wpas}" 1
fi
[ $? != 0 ] && return 0
local pidfile="/var/run/wpa_cli-${IFACE}.pid"
if [ -f ${pidfile} ] ; then
ebegin "Stopping wpa_cli on ${IFACE}"
start-stop-daemon --stop --exec "${wpac}" --pidfile "${pidfile}"
eend $?
fi
pidfile="/var/run/wpa_supplicant-${IFACE}.pid"
if [ -f ${pidfile} ] ; then
ebegin "Stopping wpa_supplicant on ${IFACE}"
start-stop-daemon --stop --exec "${wpas}" --pidfile "${pidfile}"
eend $?
fi
# If wpa_supplicant exits uncleanly, we need to remove the stale dir
[ -S "/var/run/wpa_supplicant/${IFACE}" ] \
&& rm -f "/var/run/wpa_supplicant/${IFACE}"
}
# vim: set ts=4 :
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