NetBSD-4 doesn't support scanning via ifconfig, so mark it FreeBSD only for now.

2 files changed, 597 insertions, 0 deletions

diff --git a/net.FreeBSD/Makefile b/net.FreeBSD/Makefile
new file mode 100644
index 0000000..b2becc4
--- /dev/null
+++ b/net.FreeBSD/Makefile
@@ -0,0 +1,5 @@
+DIR = ${RC_LIB}/net
+INC = ${CONTENTS}
+
+MK=	../mk
+include ${MK}/scripts.mk
diff --git a/net.FreeBSD/iwconfig.sh b/net.FreeBSD/iwconfig.sh
new file mode 100644
index 0000000..3a276cd
--- /dev/null
+++ b/net.FreeBSD/iwconfig.sh
@@ -0,0 +1,592 @@
+# Copyright 2007-2008 Roy Marples <roy@marples.name>
+# All rights reserved. Released under the 2-clause BSD license.
+
+_config_vars="$_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
+}