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-rw-r--r--net/iwconfig.sh.BSD.in592
1 files changed, 592 insertions, 0 deletions
diff --git a/net/iwconfig.sh.BSD.in b/net/iwconfig.sh.BSD.in
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+++ b/net/iwconfig.sh.BSD.in
@@ -0,0 +1,592 @@
+# Copyright 2007-2008 Roy Marples <roy@marples.name>
+# All rights reserved. Released under the 2-clause BSD license.
+
+_config_vars="$_config_vars ssid mode associate_timeout preferred_aps"
+_config_vars="$_config_vars blacklist_aps"
+
+iwconfig_depend()
+{
+ program /sbin/ifconfig
+ after plug
+ before interface
+ provide wireless
+}
+
+iwconfig_get_wep_status()
+{
+ local status="disabled"
+ local mode=$(LC_ALL=C ifconfig "${IFACE}" \
+ | sed -n -e 's/^[[:space:]]*authmode \([^ ]*\) privacy ON .*/\1/p')
+ if [ -n "${mode}" ] ; then
+ status="enabled - ${mode}"
+ fi
+
+ echo "(WEP ${status})"
+}
+
+_iwconfig_get()
+{
+ LC_ALL=C ifconfig "${IFACE}" | \
+ sed -n -e "s/^[[:space:]]*ssid \(.*\) channel \([0-9]*\).* bssid \(..:..:..:..:..:..\)\$/\\$1/p"
+}
+
+_get_ssid()
+{
+ local ssid="$(_iwconfig_get 1)"
+ # If the ssid has a space then it's wrapped in quotes. This is a
+ # problem if the real ssid has a quote at the start or the end :/
+ ssid=${ssid#\"}
+ ssid=${ssid%\"}
+ echo "${ssid}"
+}
+
+_get_ap_mac_address()
+{
+ _iwconfig_get 3
+}
+
+_get_channel()
+{
+ _iwconfig_get 2
+}
+
+iwconfig_report()
+{
+ local m="connected to"
+ local ssid="$(_get_ssid)"
+ local mac="$(_get_ap_mac_address "${iface}")"
+ [ -n "${mac}" ] && mac=" at ${mac}"
+ local wep_status="$(iwconfig_get_wep_status "${iface}")"
+ local channel="$(_get_channel)"
+ [ -n "${channel}" ] && channel="on channel ${channel} "
+
+ eindent
+ einfo "${IFACE} ${m} \"${ssid}\"${mac}"
+ einfo "${channel}${wep_status}"
+ eoutdent
+}
+
+iwconfig_get_wep_key()
+{
+ local mac="$1" key=
+ [ -n "${mac}" ] && mac="$(echo "${mac}" | sed -e 's/://g')"
+ eval key=\$mac_key_${mac}
+ [ -z "${key}" ] && eval key=\$key_${SSIDVAR}
+ echo "${key:--}"
+}
+
+iwconfig_user_config()
+{
+ local conf=
+ eval set -- \$ifconfig_${SSIDVAR}
+ for conf in "$@" ; do
+ ifconfig "${IFACE}" ${conf}
+ done
+}
+
+iwconfig_set_mode()
+{
+ local x= opt= unopt="hostap adhoc"
+ case "$1" in
+ master|hostap) unopt="adhoc" opt="hostap" ;;
+ ad-hoc|adhoc) unopt="hostap" opt="adhoc" ;;
+ esac
+ for x in ${unopt} ; do
+ ifconfig "${IFACE}" -mediaopt ${x}
+ done
+ for x in ${opt} ; do
+ ifconfig "${IFACE}" mediaopt ${x}
+ done
+}
+
+iwconfig_setup_specific()
+{
+ local mode="${1:-master}" channel=
+ if [ -z "${SSID}" ]; then
+ eerror "${IFACE} requires an SSID to be set to operate in ${mode} mode"
+ eerror "adjust the ssid_${IFVAR} setting in /etc/conf.d/net"
+ return 1
+ fi
+
+ iwconfig_set_mode "${mode}" || return 1
+
+ SSIDVAR=$(shell_var "${SSID}")
+ local key=$(iwconfig_get_wep_key)
+
+ # Now set the key
+ ifconfig "${IFACE}" wepkey "${key}"
+
+ ifconfig "${IFACE}" ssid "${SSID}" || return 1
+
+ eval channel=\$channel_${IFVAR}
+ # We default the channel to 3
+ ifconfig "${IFACE}" channel "${channel:-3}" || return 1
+
+ iwconfig_user_config
+ iwconfig_report "${iface}"
+ return 0
+}
+
+iwconfig_associate()
+{
+ local mac="$1" channel="$2" caps="$3"
+ local mode= w="(WEP Disabled)" key=
+
+ SSIDVAR=$(shell_var "${SSID}")
+ key=$(iwconfig_get_wep_key "${mac}")
+ case "${caps}" in
+ [EI]P*)
+ if [ "${key}" = "-" ] ; then
+ ewarn "WEP key is not set for \"${SSID}\"; not connecting"
+ return 1
+ fi
+ ;;
+ "") ;;
+ *)
+ if [ "${key}" != "-" ] ; then
+ key="-"
+ ewarn "\"${SSID}\" is not WEP enabled; ignoring setting"
+ fi
+ ;;
+ esac
+
+ # Set mode accordingly
+ case "${caps}" in
+ *E*)
+ mode="managed"
+ if LC_ALL=C ifconfig "${IFACE}" | \
+ grep -q "^[[:space:]]*media: .*adhoc" ; then
+ ifconfig "${IFACE}" down -mediaopt adhoc up
+ fi
+ ;;
+ *I*)
+ mode="adhoc"
+ if ! LC_ALL=C ifconfig "${IFACE}" | \
+ grep -q "^[[:space:]]*media: .*adhoc" ; then
+ ifconfig "${IFACE}" down mediaopt adhoc up
+ fi
+ ;;
+ *)
+ if LC_ALL=C ifconfig "${IFACE}" \
+ | grep -q "^[[:space:]]*media: .*adhoc" ; then
+ mode="adhoc"
+ else
+ mode="managed"
+ fi
+ ;;
+ esac
+
+ if [ "${key}" = "-" ] ; then
+ ifconfig "${IFACE}" wepmode off
+ else
+ ifconfig "${IFACE}" wepmode on
+ ifconfig "${IFACE}" deftxkey 1
+ w=$(iwconfig_get_wep_status)
+ fi
+
+ ebegin "Connecting to \"${SSID}\" in ${mode} mode ${w}"
+
+ if ! ifconfig "${IFACE}" wepkey "${key}" ; then
+ eerror "Invalid WEP key ${key}"
+ return 1
+ fi
+
+ ifconfig "${IFACE}" ssid "${SSID}" || return 1
+ iwconfig_user_config
+
+ if [ "${SSID}" != "any" ] && type preassociate >/dev/null 2>/dev/null ; then
+ veinfo "Running preassociate function"
+ veindent
+ ( preassociate )
+ local e=$?
+ veoutdent
+ if [ ${e} -eq 0 ] ; then
+ veend 1 "preassociate \"${SSID}\" on ${IFACE} failed"
+ return 1
+ fi
+ fi
+
+ local timeout= i=0
+ eval timeout=\$associate_timeout_${IFVAR}
+ timeout=${timeout:-10}
+
+ [ ${timeout} -eq 0 ] \
+ && vewarn "WARNING: infinite timeout set for association on ${IFACE}"
+
+ while true; do
+ _has_carrier && break
+ sleep 1
+
+ [ ${timeout} -eq 0 ] && continue
+ i=$((${i} + 1))
+ [ ${i} -ge ${timeout} ] && { eend 1; return 1; }
+ done
+
+ _has_carrier || { eend 1; return 1; }
+ eend 0
+
+ if [ "${SSID}" = "any" ]; then
+ SSID="$(_get_ssid)"
+ iwconfig_associate
+ return $?
+ fi
+
+ iwconfig_report
+
+ if type postassociate >/dev/null 2>/dev/null ; then
+ veinfo "Running postassociate function"
+ veindent
+ ( postassociate )
+ veoutdent
+ fi
+
+ return 0
+}
+
+iwconfig_scan()
+{
+ local x= i=0 scan= quality=
+ einfo "Scanning for access points"
+ eindent
+
+ scan="$(LC_ALL=C ifconfig -v "${IFACE}" list scan 2>/dev/null | sed -e "1 d" -e "s/$/'/g" -e "s/^/'/g")"
+ while [ ${i} -lt 3 -a -z "${scan}" ] ; do
+ scan="${scan}${scan:+ }$(LC_ALL=C ifconfig -v "${IFACE}" scan 2>/dev/null | sed -e "1 d" -e "s/$/'/g" -e "s/^/'/g")"
+ i=$((${i} + 1))
+ done
+
+ APS=-1
+ eval set -- ${scan}
+ for line in "$@" ; do
+ APS=$((${APS} + 1))
+ set -- ${line}
+ while true ; do
+ case "$1" in
+ *:*:*:*:*:*) break ;;
+ esac
+ eval SSID_${APS}="\"\${SSID_${APS}}\${SSID_${APS}:+ }$1\""
+ shift
+ done
+ eval MAC_${APS}="$(echo "$1" | tr '[:lower:]' '[:upper:]')"
+ eval CHAN_${APS}="$2"
+ quality=${4%:*}
+ shift ; shift ; shift ; shift ; shift
+ eval CAPS_${APS}="\"$*\""
+
+ # Add 1000 for managed nodes as we prefer them to adhoc
+ set -- $*
+ case "$1" in
+ *E*) eval QUAL_${APS}=$((${quality} + 1000)) ;;
+ *) eval QUAL_${APS}=\$quality ;;
+ esac
+ done
+
+ if [ -z "${MAC_0}" ]; then
+ ewarn "no access points found"
+ eoutdent
+ return 1
+ fi
+
+ # Sort based on quality
+ local i=0 k=1 a= b= x= t=
+ while [ ${i} -lt ${APS} ] ; do
+ k=$((${i} + 1))
+ while [ ${k} -le ${APS} ] ; do
+ eval a=\$QUALITY_${i}
+ [ -z "${a}" ] && break
+ eval b=\$QUALITY_${k}
+ if [ -n "${b}" -a "${a}" -lt "${b}" ] ; then
+ for x in MAC SSID CHAN QUALITY CAPS ; do
+ eval t=\$${x}_${i}
+ eval ${x}_${i}=\$${x}_${k}
+ eval ${x}_${k}=\$t
+ done
+ fi
+ k=$((${k} + 1))
+ done
+ i=$((${i} + 1))
+ done
+
+ # Strip any duplicates
+ local i=0 k=1 a= b=
+ while [ ${i} -lt ${APS} ] ; do
+ k=$((${i} + 1))
+ while [ ${k} -le ${APS} ] ; do
+ eval a=\$MAC_${i}
+ eval b=\$MAC_${k}
+ if [ "${a}" = "${b}" ] ; then
+ eval a=\$QUALITY_${i}
+ eval b=\$QUALITY_${k}
+ if [ -n "${a}" -a -n "${b}" ] ; then
+ if [ ${a} -ge ${b} ] ; then
+ unset MAC_${k} SSID_${k} CHAN_${k} QUALITY_${k} CAPS_${k}
+ else
+ unset MAC_${i} SSID_${i} CHAN_${i} QUALITY_${i} CAPS_${i}
+ fi
+ else
+ unset MAC_${k} SSID_${k} CHAN_${k} QUALITY_${k} CAPS_${k}
+ fi
+ fi
+ k=$((${k} + 1))
+ done
+ i=$((${i} + 1))
+ done
+
+ local i=0 e= m= s=
+
+ while [ ${i} -le ${APS} ] ; do
+ eval x=\$MAC_${i}
+ if [ -z "${x}" ] ; then
+ i=$((${i} + 1))
+ continue
+ fi
+
+ eval m=\$MODE_${i}
+ [ -n "${m}" ] && m=", ${m}"
+ eval s=\$SSID_${i}
+ eval q=\$QUALITY_${i}
+ eval e=\$CAPS_${i}
+ case "${e}" in
+ [EI]P*) e=", encrypted" ;;
+ *) e="" ;;
+ esac
+ if [ -z "${s}" ] ; then
+ einfo "Found ${x}${m}${e}"
+ else
+ einfo "Found \"${s}\" at ${x}${m}${e}"
+ fi
+
+ x="$(echo "${x}" | sed -e 's/://g')"
+ eval x=\$mac_ssid_${x}
+ if [ -n "${x}" ] ; then
+ eval SSID_${i}=\$x
+ s=${x}
+ eindent
+ einfo "mapping to \"${x}\""
+ eoutdent
+ fi
+
+ eval set -- $(_flatten_array "blacklist_aps_${IFVAR}")
+ [ $# = 0 ] && eval set -- $(_flatten_array "blacklist_aps")
+ for x; do
+ if [ "${x}" = "${s}" ] ; then
+ ewarn "${s} has been blacklisted - not connecting"
+ unset SSID_${i} MAC_${i} CHAN_${i} QUALITY_${i} CAPS_${i}
+ fi
+ done
+ i=$((${i} + 1))
+ done
+ eoutdent
+ return 0
+}
+
+iwconfig_force_preferred()
+{
+ eval set -- $(_flatten_array "preferred_aps_${IFVAR}")
+ [ $# = 0 ] && eval set -- $(_flatten_array "preferred_aps")
+ [ $# = 0 ] && return 1
+
+ ewarn "Trying to force preferred in case they are hidden"
+ local ssid=
+ for ssid; do
+ local found_AP=false i=0 e=
+ while [ ${i} -le ${APS:--1} ] ; do
+ eval e=\$SSID_${i}
+ if [ "${e}" = "${ssid}" ] ; then
+ found_AP=true
+ break
+ fi
+ i=$((${i} + 1))
+ done
+ if ! ${found_AP} ; then
+ SSID=${ssid}
+ iwconfig_associate && return 0
+ fi
+ done
+
+ ewarn "Failed to associate with any preferred access points on ${IFACE}"
+ return 1
+}
+
+iwconfig_connect_preferred()
+{
+ eval set -- $(_flatten_array "preferred_aps_${IFVAR}")
+ [ $# = 0 ] && eval set -- $(_flatten_array "preferred_aps")
+ [ $# = 0 ] && return 1
+
+ local ssid= i=0 mode= mac= caps= freq= chan=
+ for ssid; do
+ while [ ${i} -le ${APS} ] ; do
+ eval e=\$SSID_${i}
+ if [ "${e}" = "${ssid}" ] ; then
+ SSID=${e}
+ eval mac=\$MAC_${i}
+ eval caps=\$CAPS_${i}
+ eval freq=\$FREQ_${i}
+ eval chan=\$CHAN_${i}
+ iwconfig_associate "${mac}" \
+ "${chan}" "${caps}" && return 0
+ fi
+ i=$((${i} + 1))
+ done
+ done
+
+ return 1
+}
+
+iwconfig_connect_not_preferred()
+{
+ local ssid= i=0 mode= mac= caps= freq= chan= pref=
+
+ while [ ${i} -le ${APS} ] ; do
+ eval e=\$SSID_${i}
+ if [ -z "${e}" ] ; then
+ i=$((${i} + 1))
+ continue
+ fi
+
+ eval set -- $(_flatten_array "preferred_aps_${IFVAR}")
+ [ $# = 0 ] && eval set -- $(_flatten_array "preferred_aps")
+ pref=false
+ for ssid; do
+ if [ "${e}" = "${ssid}" ] ; then
+ pref=true
+ break
+ fi
+ done
+
+ if ! ${pref} ; then
+ SSID=${e}
+ eval mac=\$MAC_${i}
+ eval caps=\$CAPS_${i}
+ eval freq=\$FREQ_${i}
+ eval chan=\$CHAN_${i}
+ iwconfig_associate "${mac}" \
+ "${chan}" "${caps}" && return 0
+ fi
+ i=$((${i} + 1))
+ done
+
+ return 1
+}
+
+iwconfig_defaults()
+{
+ # Set some defaults
+ #ifconfig "${iface}" txpower 100 2>/dev/null
+ ifconfig "${IFACE}" bssid -
+ ifconfig "${IFACE}" ssid -
+ ifconfig "${IFACE}" wepkey 1:- wepkey 2:- wepkey 3:- wepkey 4:-
+ ifconfig "${IFACE}" authmode open
+ ifconfig "${IFACE}" -mediaopt adhoc
+ ifconfig "${IFACE}" -mediaopt hostap
+}
+
+iwconfig_configure()
+{
+ local x APS
+ eval SSID=\$ssid_${IFVAR}
+
+ # Setup ad-hoc mode?
+ eval x=\$mode_${IFVAR}
+ x=${x:-managed}
+ case "${x}" in
+ ad-hoc|adhoc|hostap|master) iwconfig_setup_specific "${x}" ;;
+ esac
+
+ if [ "${x}" != "managed" -a "${x}" != "auto" -a "${x}" != "ad-hoc" -a "${x}" != "adhoc" -a ${x} != "master" ] ; then
+ eerror "Only managed, ad-hoc, master and auto modes are supported"
+ return 1
+ fi
+
+ # Has an SSID been forced?
+ if [ -n "${SSID}" ]; then
+ iwconfig_set_mode "${x}"
+ iwconfig_associate && return 0
+ [ "${SSID}" = "any" ] && iwconfig_force_preferred && return 0
+
+ eval SSID=\$adhoc_ssid_${IFVAR}
+ if [ -n "${SSID}" ]; then
+ iwconfig_setup_specific adhoc
+ return $?
+ fi
+ return 1
+ fi
+
+ # Are we forcing preferred only?
+ eval x=\$associate_order_${IFVAR}
+ [ -n "${x}" ] && associate_order=${x}
+ associate_order=${associate_order:-any}
+ if [ "${associate_order}" = "forcepreferredonly" ]; then
+ iwconfig_force_preferred && return 0
+ else
+ iwconfig_scan || return 1
+ iwconfig_connect_preferred && return 0
+ [ "${associate_order}" = "forcepreferred" ] || \
+ [ "${associate_order}" = "forceany" ] && \
+ iwconfig_force_preferred && return 0
+ [ "${associate_order}" = "any" ] || \
+ [ "${associate_order}" = "forceany" ] && \
+ iwconfig_connect_not_preferred && return 0
+ fi
+
+ e="associate with"
+ [ -z "${MAC_0}" ] && e="find"
+ [ "${preferred_aps}" = "force" ] || \
+ [ "${preferred_aps}" = "forceonly" ] && \
+ e="force"
+ e="Couldn't ${e} any access points on ${IFACE}"
+
+ eval SSID=\$adhoc_ssid_${IFVAR}
+ if [ -n "${SSID}" ]; then
+ ewarn "${e}"
+ iwconfig_setup_specific adhoc
+ return $?
+ fi
+
+ eerror "${e}"
+ return 1
+}
+
+iwconfig_pre_start()
+{
+ # We don't configure wireless if we're being called from
+ # the background
+ yesno ${IN_BACKGROUND} && return 0
+
+ service_set_value "SSID" ""
+ _exists || return 0
+
+ if ! _is_wireless ; then
+ veinfo "${IFACE} is not wireless"
+ return 0
+ fi
+
+ iwconfig_defaults
+ iwconfig_user_config
+
+ # Set the base metric to be 2000
+ metric=2000
+
+ einfo "Configuring wireless network for ${IFACE}"
+
+ if iwconfig_configure ; then
+ service_set_value "SSID" "${SSID}"
+ return 0
+ fi
+
+ eerror "Failed to configure wireless for ${IFACE}"
+ iwconfig_defaults
+ #iwconfig "${IFACE}" txpower 0 2>/dev/null
+ unset SSID SSIDVAR
+ _down
+ return 1
+}
+
+iwconfig_post_stop()
+{
+ yesno ${IN_BACKGROUND} && return 0
+ _is_wireless || return 0
+ iwconfig_defaults
+ #iwconfig "${IFACE}" txpower 0 2>/dev/null
+}