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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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# Many thanks to all the people in the Gentoo forums for their ideas and
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# motivation for me to make this and keep on improving it
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_config_vars="$_config_vars ssid mode associate_timeout sleep_scan preferred_aps blacklist_aps"
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iwconfig_depend() {
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program /sbin/iwconfig
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after plug
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before interface
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provide wireless
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}
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iwconfig_get_wep_status() {
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local mode= status="disabled"
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# No easy way of doing this grep in bash regex :/
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if LC_ALL=C iwconfig "${IFACE}" | 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}" | 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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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 "${ssid}"
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return 0
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fi
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sleep 1
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i=$((${i} + 1))
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done
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return 1
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}
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_get_ap_mac_address() {
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local mac="$(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 "${mac}" ;;
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esac
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}
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iwconfig_get_mode() {
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LC_ALL=C iwgetid --mode "${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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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 "${mode}" || return 1
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_up
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}
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iwconfig_get_type() {
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LC_ALL=C iwconfig "${IFACE}" | sed -n -e 's/^'"$1"' *\([^ ]* [^ ]*\).*/\1/p'
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}
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iwconfig_report() {
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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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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 -- ${key}
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local x= e=false
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for x in "$@" ; 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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local conf= var=${SSIDVAR}
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[ -z "${var}" ] && var=${IFVAR}
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eval "$(_get_array "iwconfig_${var}")"
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for conf in "$@" ; do
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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 " ${conf}"
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fi
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done
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eval "$(_get_array "iwpriv_${var}")"
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for conf in "$@" ; do
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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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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 \"${channel:-3}\""
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return 1
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fi
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# Finally apply the user Config
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iwconfig_user_config
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iwconfig_report
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return 0
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}
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iwconfig_wait_for_association() {
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local timeout= i=0
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eval timeout=\$associate_timeout_${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. This is mainly for buggy
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# prism54 drivers that always set their carrier on :/
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[ -n "$(iwgetid --raw "${IFACE}")" ] && 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 ${timeout} ] && return 1
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done
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return 1
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}
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iwconfig_associate() {
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local mode="${1:-managed}" mac="$2" wep_required="$3" 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>/dev/null ; 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 $?
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fi
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iwconfig_report
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if type postassociate >/dev/null 2>/dev/null ; then
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veinfo "Running postassociate function"
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veindent
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( postassociate )
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veoutdent
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fi
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return 0
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}
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iwconfig_scan() {
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local x= i=0 scan=
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einfo "Scanning for access points"
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eindent
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# Sleep if required
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eval x=\$sleep_scan_${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 results
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# then we need to wait for at least 2 seconds whilst the interface
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# 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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local OIFS=$IFS
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APS=-1
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eval set -- ${scan}
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for line in "$@" ; do
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case "${line}" in
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| 354 |
*Address:*)
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APS=$((${APS} + 1))
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eval MAC_${APS}=\""$(echo "${line#*: }" | tr '[:lower:]' '[:upper:]')"\"
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| 357 |
eval QUALITY_${APS}=0
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| 358 |
;;
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| 359 |
*ESSID:*)
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| 360 |
x=${line#*\"}
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x=${x%*\"}
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| 362 |
eval SSID_${APS}=\$x
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;;
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| 364 |
*Mode:*)
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x="$(echo "${line#*:}" | tr '[:upper:]' '[:lower:]')"
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| 366 |
if [ "${x}" = "master" ] ; then
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| 367 |
eval MODE_${APS}=\"managed\"
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| 368 |
else
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| 369 |
eval MODE_${APS}=\$x
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| 370 |
fi
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| 371 |
;;
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| 372 |
*'Encryption key:'*)
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| 373 |
x=${line#*:}
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| 374 |
eval ENC_${APS}=\$x
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| 375 |
;;
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| 376 |
#*Frequency:*)
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| 377 |
# freq[i]="${line#*:}"
|
| 378 |
# x="${freq[i]#* }"
|
| 379 |
# freq[i]="${freq[i]%% *}${x:0:1}"
|
| 380 |
# ;;
|
| 381 |
*Channel:*)
|
| 382 |
x=${line#*:}
|
| 383 |
x=${x%% *}
|
| 384 |
eval CHAN_${APS}=\$x
|
| 385 |
;;
|
| 386 |
*Quality*)
|
| 387 |
x=${line#*:}
|
| 388 |
x=${x%/*}
|
| 389 |
x="$(echo "${x}" | sed -e 's/[^[:digit:]]//g')"
|
| 390 |
x=${x:-0}
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| 391 |
eval QUALITY_${APS}=\$x
|
| 392 |
;;
|
| 393 |
esac
|
| 394 |
done
|
| 395 |
|
| 396 |
if [ -z "${MAC_0}" ]; then
|
| 397 |
ewarn "no access points found"
|
| 398 |
eoutdent
|
| 399 |
return 1
|
| 400 |
fi
|
| 401 |
|
| 402 |
# Sort based on quality
|
| 403 |
local i=0 k=1 a= b= x= t=
|
| 404 |
while [ ${i} -lt ${APS} ] ; do
|
| 405 |
k=$((${i} + 1))
|
| 406 |
while [ ${k} -le ${APS} ] ; do
|
| 407 |
eval a=\$QUALITY_${i}
|
| 408 |
[ -z "${a}" ] && break
|
| 409 |
eval b=\$QUALITY_${k}
|
| 410 |
if [ -n "${b}" -a "${a}" -lt "${b}" ] ; then
|
| 411 |
for x in MAC SSID CHAN QUALITY ENC ; do
|
| 412 |
eval t=\$${x}_${i}
|
| 413 |
eval ${x}_${i}=\$${x}_${k}
|
| 414 |
eval ${x}_${k}=\$t
|
| 415 |
done
|
| 416 |
fi
|
| 417 |
k=$((${k} + 1))
|
| 418 |
done
|
| 419 |
i=$((${i} + 1))
|
| 420 |
done
|
| 421 |
|
| 422 |
# Strip any duplicates
|
| 423 |
local i=0 k=1 a= b=
|
| 424 |
while [ ${i} -lt ${APS} ] ; do
|
| 425 |
k=$((${i} + 1))
|
| 426 |
while [ ${k} -le ${APS} ] ; do
|
| 427 |
eval a=\$MAC_${i}
|
| 428 |
eval b=\$MAC_${k}
|
| 429 |
if [ "${a}" = "${b}" ] ; then
|
| 430 |
eval a=\$QUALITY_${i}
|
| 431 |
eval b=\$QUALITY_${k}
|
| 432 |
local u=${k}
|
| 433 |
# We need to split this into two tests, otherwise bash errors
|
| 434 |
[ -n "${a}" -a -n "${b}" ] && [ "${a}" -lt "${b}" ] && u=${i}
|
| 435 |
unset MAC_${u} SSID_${u} CHAN_${u} QUALITY_${u} ENC_${u}
|
| 436 |
fi
|
| 437 |
k=$((${k} + 1))
|
| 438 |
done
|
| 439 |
i=$((${i} + 1))
|
| 440 |
done
|
| 441 |
|
| 442 |
local i=0 e= m= s=
|
| 443 |
|
| 444 |
while [ ${i} -le ${APS} ] ; do
|
| 445 |
eval x=\$MAC_${i}
|
| 446 |
if [ -z "${x}" ] ; then
|
| 447 |
i=$((${i} + 1))
|
| 448 |
continue
|
| 449 |
fi
|
| 450 |
|
| 451 |
eval m=\$MODE_${i}
|
| 452 |
eval s=\$SSID_${i}
|
| 453 |
eval q=\$QUALITY_${i}
|
| 454 |
eval e=\$ENC_${i}
|
| 455 |
if [ -n "${e}" -a "${e}" != "off" ] ; then
|
| 456 |
e=", encrypted"
|
| 457 |
else
|
| 458 |
e=""
|
| 459 |
fi
|
| 460 |
if [ -z "${s}" ] ; then
|
| 461 |
einfo "Found ${x}, ${m}${e}"
|
| 462 |
else
|
| 463 |
einfo "Found \"${s}\" at ${x}, ${m}${e}"
|
| 464 |
fi
|
| 465 |
|
| 466 |
x="$(echo "${x}" | sed -e 's/://g')"
|
| 467 |
eval x=\$mac_ssid_${x}
|
| 468 |
if [ -n "${x}" ] ; then
|
| 469 |
eval SSID_${i}=\$x
|
| 470 |
s=${x}
|
| 471 |
eindent
|
| 472 |
einfo "mapping to \"${x}\""
|
| 473 |
eoutdent
|
| 474 |
fi
|
| 475 |
|
| 476 |
eval "$(_get_array "blacklist_aps")"
|
| 477 |
for x in "$@" ; do
|
| 478 |
if [ "${x}" = "${s}" ] ; then
|
| 479 |
ewarn "${s} has been blacklisted - not connecting"
|
| 480 |
unset SSID_${i} MAC_${i} CHAN_${i} QUALITY_${i} ENC_${i}
|
| 481 |
fi
|
| 482 |
done
|
| 483 |
i=$((${i} + 1))
|
| 484 |
done
|
| 485 |
eoutdent
|
| 486 |
}
|
| 487 |
|
| 488 |
iwconfig_force_preferred() {
|
| 489 |
[ -z "${preferred_aps}" ] && return 1
|
| 490 |
|
| 491 |
ewarn "Trying to force preferred in case they are hidden"
|
| 492 |
eval "(_get_array "preferred_aps")"
|
| 493 |
local ssid=
|
| 494 |
for ssid in "$@"; do
|
| 495 |
local found_AP=false i=0 e=
|
| 496 |
while [ ${i} -le ${APS} ] ; do
|
| 497 |
eval e=\$SSID_${i}
|
| 498 |
if [ "${e}" = "${ssid}" ] ; then
|
| 499 |
found_AP=true
|
| 500 |
break
|
| 501 |
fi
|
| 502 |
i=$((${i} + 1))
|
| 503 |
done
|
| 504 |
if ! ${found_AP} ; then
|
| 505 |
SSID=${e}
|
| 506 |
iwconfig_associate && return 0
|
| 507 |
fi
|
| 508 |
done
|
| 509 |
|
| 510 |
ewarn "Failed to associate with any preferred access points on ${IFACE}"
|
| 511 |
return 1
|
| 512 |
}
|
| 513 |
|
| 514 |
iwconfig_connect_preferred() {
|
| 515 |
local ssid= i= mode= mac= enc= freq= chan=
|
| 516 |
|
| 517 |
eval "$(_get_array preferred_aps)"
|
| 518 |
for ssid in "$@"; do
|
| 519 |
i=0
|
| 520 |
while [ ${i} -le ${APS} ] ; do
|
| 521 |
eval e=\$SSID_${i}
|
| 522 |
if [ "${e}" = "${ssid}" ] ; then
|
| 523 |
SSID=${e}
|
| 524 |
eval mode=\$MODE_${i}
|
| 525 |
eval mac=\$MAC_${i}
|
| 526 |
eval enc=\$ENC_${i}
|
| 527 |
eval freq=\$FREQ_${i}
|
| 528 |
eval chan=\$CHAN_${i}
|
| 529 |
iwconfig_associate "${mode}" "${mac}" "${enc}" "${freq}" \
|
| 530 |
"${chan}" && return 0
|
| 531 |
fi
|
| 532 |
i=$((${i} + 1))
|
| 533 |
done
|
| 534 |
done
|
| 535 |
|
| 536 |
return 1
|
| 537 |
}
|
| 538 |
|
| 539 |
iwconfig_connect_not_preferred() {
|
| 540 |
local ssid= i=0 mode= mac= enc= freq= chan= pref=false
|
| 541 |
|
| 542 |
while [ ${i} -le ${APS} ] ; do
|
| 543 |
eval e=\$SSID_${i}
|
| 544 |
if [ -n "${e}" ] ; then
|
| 545 |
eval "$(_get_array preferred_aps)"
|
| 546 |
for ssid in "$@" ; do
|
| 547 |
if [ "${e}" = "${ssid}" ] ; then
|
| 548 |
pref=true
|
| 549 |
break
|
| 550 |
fi
|
| 551 |
done
|
| 552 |
|
| 553 |
if ! ${pref} ; then
|
| 554 |
SSID=${e}
|
| 555 |
eval mode=\$MODE_${i}
|
| 556 |
eval mac=\$MAC_${i}
|
| 557 |
eval enc=\$ENC_${i}
|
| 558 |
eval freq=\$FREQ_${i}
|
| 559 |
eval chan=\$CHAN_${i}
|
| 560 |
iwconfig_associate "${mode}" "${mac}" "${enc}" "${freq}" \
|
| 561 |
"${chan}" && return 0
|
| 562 |
fi
|
| 563 |
fi
|
| 564 |
i=$((${i} + 1))
|
| 565 |
done
|
| 566 |
|
| 567 |
return 1
|
| 568 |
}
|
| 569 |
|
| 570 |
iwconfig_defaults() {
|
| 571 |
local x=
|
| 572 |
for x in txpower rate rts frag ; do
|
| 573 |
iwconfig "${IFACE}" "${x}" auto 2>/dev/null
|
| 574 |
done
|
| 575 |
|
| 576 |
# Release the AP forced
|
| 577 |
# Must do ap and then ssid otherwise scanning borks
|
| 578 |
iwconfig "${IFACE}" ap off 2>/dev/null
|
| 579 |
iwconfig "${IFACE}" essid off 2>/dev/null
|
| 580 |
}
|
| 581 |
|
| 582 |
iwconfig_configure() {
|
| 583 |
local x= APS=
|
| 584 |
eval SSID=\$ssid_${IFVAR}
|
| 585 |
|
| 586 |
# Support old variable
|
| 587 |
[ -z "${SSID}" ] && eval SSID=\$essid_${IFVAR}
|
| 588 |
|
| 589 |
# Setup ad-hoc mode?
|
| 590 |
eval x=\$mode_${IFVAR}
|
| 591 |
x=${x:-managed}
|
| 592 |
if [ "${x}" = "ad-hoc" -o "${x}" = "master" ] ; then
|
| 593 |
iwconfig_setup_specific "${x}"
|
| 594 |
return $?
|
| 595 |
fi
|
| 596 |
|
| 597 |
if [ "${x}" != "managed" -a "${x}" != "auto" ] ; then
|
| 598 |
eerror "Only managed, ad-hoc, master and auto modes are supported"
|
| 599 |
return 1
|
| 600 |
fi
|
| 601 |
|
| 602 |
# Has an SSID been forced?
|
| 603 |
if [ -n "${SSID}" ]; then
|
| 604 |
iwconfig_set_mode "${x}"
|
| 605 |
iwconfig_associate && return 0
|
| 606 |
[ "${SSID}" = "any" ] && iwconfig_force_preferred && return 0
|
| 607 |
|
| 608 |
eval SSID=\$adhoc_ssid_${IFVAR}
|
| 609 |
if [ -n "${SSID}" ]; then
|
| 610 |
iwconfig_setup_specific ad-hoc
|
| 611 |
return $?
|
| 612 |
fi
|
| 613 |
return 1
|
| 614 |
fi
|
| 615 |
|
| 616 |
eval x=\$preferred_aps_${IFVAR}
|
| 617 |
[ -n "${x}" ] && preferred_aps=${x}
|
| 618 |
|
| 619 |
eval x=\$blacklist_aps_${IFVAR}
|
| 620 |
[ -n "${x}" ] && blacklist_aps=${x}
|
| 621 |
|
| 622 |
eval x=\$associate_order_${IFVAR}
|
| 623 |
[ -n "${x}" ] && associate_order=${x}
|
| 624 |
associate_order=${associate_order:-any}
|
| 625 |
|
| 626 |
if [ "${associate_order}" = "forcepreferredonly" ]; then
|
| 627 |
iwconfig_force_preferred && return 0
|
| 628 |
else
|
| 629 |
iwconfig_scan || return 1
|
| 630 |
iwconfig_connect_preferred && return 0
|
| 631 |
[ "${associate_order}" = "forcepreferred" ] || \
|
| 632 |
[ "${associate_order}" = "forceany" ] && \
|
| 633 |
iwconfig_force_preferred && return 0
|
| 634 |
[ "${associate_order}" = "any" ] || \
|
| 635 |
[ "${associate_order}" = "forceany" ] && \
|
| 636 |
iwconfig_connect_not_preferred && return 0
|
| 637 |
fi
|
| 638 |
|
| 639 |
e="associate with"
|
| 640 |
[ -z "${MAC_0}" ] && e="find"
|
| 641 |
[ "${preferred_aps}" = "force" ] || \
|
| 642 |
[ "${preferred_aps}" = "forceonly" ] && \
|
| 643 |
e="force"
|
| 644 |
e="Couldn't ${e} any access points on ${IFACE}"
|
| 645 |
|
| 646 |
eval SSID=\$adhoc_ssid_${IFVAR}
|
| 647 |
if [ -n "${SSID}" ]; then
|
| 648 |
ewarn "${e}"
|
| 649 |
iwconfig_setup_specific ad-hoc
|
| 650 |
return $?
|
| 651 |
fi
|
| 652 |
|
| 653 |
eerror "${e}"
|
| 654 |
return 1
|
| 655 |
}
|
| 656 |
|
| 657 |
iwconfig_pre_start() {
|
| 658 |
# We don't configure wireless if we're being called from
|
| 659 |
# the background
|
| 660 |
${IN_BACKGROUND} && return 0
|
| 661 |
|
| 662 |
save_options "SSID" ""
|
| 663 |
_exists || return 0
|
| 664 |
|
| 665 |
if ! _is_wireless ; then
|
| 666 |
veinfo "Wireless extensions not found for ${IFACE}"
|
| 667 |
return 0
|
| 668 |
fi
|
| 669 |
|
| 670 |
# Warn about old file - we want to punt it really
|
| 671 |
if [ -e /etc/conf.d/wireless ] ; then
|
| 672 |
ewarn "/etc/conf.d/wireless is deprecated"
|
| 673 |
ewarn "Please put all settings into /etc/conf.d/net"
|
| 674 |
. /etc/conf.d/wireless
|
| 675 |
fi
|
| 676 |
|
| 677 |
# Store the fact that tx-power was off so we default to a longer
|
| 678 |
# wait if our scan returns nothing
|
| 679 |
LC_ALL=C iwconfig "${IFACE}" | sed -e '1d' | grep -q "Tx-Power=off"
|
| 680 |
local txpowerwasoff=$?
|
| 681 |
|
| 682 |
iwconfig_defaults
|
| 683 |
iwconfig_user_config
|
| 684 |
|
| 685 |
# Set the base metric to be 2000
|
| 686 |
metric=2000
|
| 687 |
|
| 688 |
# Check for rf_kill - only ipw supports this at present, but other
|
| 689 |
# cards may in the future.
|
| 690 |
if [ -e /sys/class/net/"${IFACE}"/device/rf_kill ] ; then
|
| 691 |
if [ $(cat /sys/class/net/"${IFACE}"/device/rf_kill) != "0" ] ; then
|
| 692 |
eerror "Wireless radio has been killed for interface ${IFACE}"
|
| 693 |
return 1
|
| 694 |
fi
|
| 695 |
fi
|
| 696 |
|
| 697 |
einfo "Configuring wireless network for ${IFACE}"
|
| 698 |
|
| 699 |
# Are we a proper IEEE device?
|
| 700 |
# Most devices reutrn IEEE 802.11b/g - but intel cards return IEEE
|
| 701 |
# in lower case and RA cards return RAPCI or similar
|
| 702 |
# which really sucks :(
|
| 703 |
# For the time being, we will test prism54 not loading firmware
|
| 704 |
# which reports NOT READY!
|
| 705 |
x="$(iwconfig_get_type)"
|
| 706 |
if [ "${x}" = "NOT READY!" ]; then
|
| 707 |
eerror "Looks like there was a probem loading the firmware for ${IFACE}"
|
| 708 |
return 1
|
| 709 |
fi
|
| 710 |
|
| 711 |
if iwconfig_configure ; then
|
| 712 |
save_options "SSID" "${SSID}"
|
| 713 |
return 0
|
| 714 |
fi
|
| 715 |
|
| 716 |
eerror "Failed to configure wireless for ${IFACE}"
|
| 717 |
iwconfig_defaults
|
| 718 |
iwconfig "${IFACE}" txpower off 2>/dev/null
|
| 719 |
unset SSID SSIDVAR
|
| 720 |
_down
|
| 721 |
return 1
|
| 722 |
}
|
| 723 |
|
| 724 |
iwconfig_post_stop() {
|
| 725 |
${IN_BACKGROUND} && return 0
|
| 726 |
_exists || return 0
|
| 727 |
iwconfig_defaults
|
| 728 |
iwconfig "${IFACE}" txpower off 2>/dev/null
|
| 729 |
}
|
| 730 |
|
| 731 |
# vim: set ts=4
|
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