diff options
Diffstat (limited to 'net/wpa_supplicant.sh')
| -rw-r--r-- | net/wpa_supplicant.sh | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/net/wpa_supplicant.sh b/net/wpa_supplicant.sh new file mode 100644 index 0000000..7ba5bb4 --- /dev/null +++ b/net/wpa_supplicant.sh @@ -0,0 +1,164 @@ +# Copyright 2004-2007 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 + +wpa_supplicant_depend() { + program start /sbin/wpa_supplicant + 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=\(.*\)$/\1/p' \ + | tr '[:lower:]' '[:upper:]' +} +fi + +wpa_supplicant_pre_start() { + local opts= cfgfile= ctrl_dir= + + _is_wireless || return 0 + + # We don't configure wireless if we're being called from + # the background unless we're not currently running + if [ "${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" "" + eval opts=\$wpa_supplicant_${IFVAR} + ebegin "Starting wpa_supplicant on" "${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/[ \t]*#.*//g;s/[ \t]*$//g;s/^ctrl_interface=//p' "${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 /sbin/wpa_supplicant \ + --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 /bin/wpa_cli \ + --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 $? ; then + ebegin "Backgrounding ..." + exit 1 + fi + + # wpa_cli failed to start? OK, error here + start-stop-daemon --quiet --stop --exec /sbin/wpa_supplicant \ + --pidfile "/var/run/wpa_supplicant-${IFACE}.pid" + ${inact} || mark_service_stopped "${SVCNAME}" + return 1 +} + +wpa_supplicant_post_stop() { + if [ "${IN_BACKGROUND}" = "true" ] ; then + # Only stop wpa_supplicant if it's not the controlling daemon + ! service_started_daemon "${SVCNAME}" /sbin/wpa_supplicant 1 + fi + [ $? != 0 ] && return 0 + + local pidfile="/var/run/wpa_cli-${IFACE}.pid" + if [ -f ${pidfile} ] ; then + ebegin "Stopping wpa_cli on ${IFACE}" + start-stop-daemon --stop --exec /bin/wpa_cli \ + --pidfile "${pidfile}" + eend $? + fi + + pidfile="/var/run/wpa_supplicant-${IFACE}.pid" + if [ -f ${pidfile} ] ; then + ebegin "Stopping wpa_supplicant on ${IFACE}" + start-stop-daemon --stop --exec /sbin/wpa_supplicant \ + --pidfile "${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 : |