Annotation of /trunk/busybox-initscripts/rc/network

#!/bin/sh
# $Header: /home/cvsd/magellan-cvs/magellan-src/busybox-initscripts/rc/network,v 1.1 2008-06-02 22:14:35 niro Exp $

#%rlevels: 0:k 3:s
#%start: 20
#%stop: 80

#deps
#%needs:
#%before:
#%after:

source /etc/conf.d/rc
source ${rc_functions}

# read values from files
read_value()
{
	local var="$1"
	local file="$2"
	local value

	# local all possible vars
	# global
	local ONBOOT
	local NETWORKING

	# static
	local IP
	local NETMASK
	local BROADCAST
	local NETWORKING
	local FORCE_MAC_TO

	# dhcp
	local DHCP_PROG
	local DHCP_START
	local DHCP_STOP

	# default gw
	local GATEWAY
	local GATEWAY_IF

	# wireless extensions
	local WIRELESS_AP
	local WIRELESS_AUTH_MODE
	local WIRELESS_BITRATE
	local WIRELESS_CHANNEL
	local WIRELESS_DEFAULT_KEY
	local WIRELESS_ESSID
	local WIRELESS_FREQUENCY
	local WIRELESS_KEY
	local WIRELESS_KEY_ASCII
	local WIRELESS_KEY_0
	local WIRELESS_KEY_1
	local WIRELESS_KEY_2
	local WIRELESS_KEY_3
	local WIRELESS_KEY_LENGTH
	local WIRELESS_MODE
	local WIRELESS_NICK
	local WIRELESS_NWID
	local WIRELESS_POWER
	local WIRELESS_WPA_DRIVER

	local BRIDGE_INTERFACES
	local BRIDGE_STP
	local BRIDGE_AGEING_TIME
	local BRIDGE_PRIORITY
	local BRIDGE_FORWARD_DELAY
	local BRIDGE_HELLO_TIME
	local BRIDGE_MAX_MESSAGE_AGE
	local BRIDGE_PATH_COST
	local BRIDGE_PORT_PRIORITY

	source ${file}
	eval value=\$$(echo ${var})
	echo "${value}"
}

checkconfig()
{
	if [[ -z ${NETWORKING} ]]
	then
		rc_echo "NETWORKING missing in net.${iface}, aborted"
		exit 1
	fi

	case "${NETWORKING}" in
	static)
		if [[ -z ${IP} ]]
		then
			rc_echo "IP missing in net.${iface}, aborted"
			exit 1
		fi

		if [[ -z ${NETMASK} ]]
		then
			rc_echo -n "NETMASK missing in net.${iface}, "
			rc_echo "using 255.255.255.0"
			NETMASK=255.255.255.0
		fi

		if [[ -z ${BROADCAST} ]]
		then
			rc_echo -n "BROADCAST missing in net.${iface}, "
			rc_echo "using default address"
		fi
		;;

	dhcp)
		if [[ -z ${DHCP_PROG} ]]
		then
			rc_echo -n "DHCP_PROG missing in net.${iface},"
			rc_echo "using default programm /sbin/udhcpc"
			DHCP_PROG="/sbin/udhcpc"
 		fi
		[[ -z ${DHCP_START} ]] && DHCP_START="-T10"
		[[ -z ${DHCP_STOP} ]] && DHCP_STOP="-k"
		;;

	esac
}

# onboot_interface_list /path/to/files*
onboot_interface_list()
{
	local file
	local devices
	local iface

	# get list of all devices
	for file in $@
	do
		if [[ $(read_value ONBOOT ${file}) = yes ]]
		then
			iface="$(basename ${file} | sed s/net.//)"
			# exclude backup files and exclude net.routes too
			case "${iface}" in
				*~) ;;
				*/net.routes) ;;
				*) devices="${devices} $(basename ${file} | sed s/net.//)" ;;
			esac
		fi
	done

	echo "${devices}"
}

config_wireless_wep()
{
	local iface="$1"

	if [[ -z ${iface} ]]
	then
		rc_echo "WEP: no \$iface given. Aborting setup."
		return 1
	fi

	${CURS_UP}
	${SET_WWCOL}
	rc_echo "[AUTH: WEP]"

	iwconfig "${iface}" enc on
	[[ -n ${WIRELESS_KEY_LENGTH} ]] && iwconfig "${iface}" enc "${WIRELESS_KEY_LENGTH}"
	[[ -n ${WIRELESS_KEY} ]] && iwconfig "${iface}" key "${WIRELESS_KEY}"
	[[ -n ${WIRELESS_KEY_ASCII} ]] && iwconfig "${iface}" key s:"${WIRELESS_KEY_ASCII}"
}

config_wireless_wpa()
{
	local iface="$1"

	if [[ -z ${iface} ]]
	then
		rc_echo "WPA: no \$iface given. Aborting setup."
		return 1
	fi

	if [ ! -x /sbin/wpa_supplicant ]
	then
		rc_echo "WPA: wpa_supplicant not installed. Aborting setup."
		return 1
	fi

	${CURS_UP}
	${SET_WWCOL}
	rc_echo "[AUTH: WPA]"

	# get default settings
	[[ -f /etc/conf.d/wpa_supplicant ]] && source /etc/conf.d/wpa_supplicant

	# check the configuration
	[[ -z ${WIRELESS_WPA_CONFIG} ]] && WIRELESS_WPA_CONFIG=/etc/wpa_supplicant.auto
	[[ -z ${WIRELESS_WPA_SKEL} ]] && WIRELESS_WPA_SKEL=/etc/conf.d/wpa_supplicant.skel

	# use wext as default driver, do not abort here anymore
	[[ -z ${WIRELESS_WPA_DRIVER} ]] && WIRELESS_WPA_DRIVER=wext

	# write a config with the settings from net.${iface}
	# only wpa-psk ! all other needs manual setup
	if [[ ${WIRELESS_WPA_AUTOCONF} = true ]]
	then
		# write default cfg from skeleton
		cat ${WIRELESS_WPA_SKEL} > ${WIRELESS_WPA_CONFIG}

		local wpa_proto
		case ${WIRELESS_AUTH_MODE} in
			wpa) wpa_proto="WPA" ;;
			wpa2) wpa_proto="WPA2" ;;
		esac

		# setup the network entry
		sed -i -e "s:@WIRELESS_ESSID@:${WIRELESS_ESSID}:g" \
			-e "s:@WIRELESS_KEY@:${WIRELESS_KEY_ASCII}:g" \
			-e "s:@WIRELESS_AUTH_MODE@:${wpa_proto}:g" \
			${WIRELESS_WPA_CONFIG}
	fi

	# remove old state dir
	[ -d /var/run/wpa_supplicant ] && rm -rf /var/run/wpa_supplicant

	# now run the wpa_supplicant dameon
	wpa_supplicant -B \
		-D"${WIRELESS_WPA_DRIVER}" \
		-c"${WIRELESS_WPA_CONFIG}" \
		-i"${iface}" \
		${WIRELESS_WPA_OPTS}

	# echo wait 5 seconds
	rc_echo "    Waiting 5 seconds to retrieve authentification reply ... "
	sleep 5
}

setup_wireless_extensions()
{
	local iface="$1"

	if [[ -z ${iface} ]]
	then
		rc_echo "WIRELESS_EXTENSIONS: no \$iface given. Aborting setup."
		return 1
	fi

	if [[ -n ${WIRELESS_BITRATE} ]] ||
		[[ -n ${WIRELESS_CHANNEL} ]] ||
		[[ -n ${WIRELESS_ESSID} ]] ||
		[[ -n ${WIRELESS_FREQUENCY} ]] ||
		[[ -n ${WIRELESS_MODE} ]] ||
		[[ -n ${WIRELESS_NICK} ]] ||
		[[ -n ${WIRELESS_AUTH_MODE} ]]
	then
		rc_print "Setting up wlan-ext for ${COLBLUE}${iface}${COLDEFAULT} ... "
	fi

	[[ -n ${WIRELESS_BITRATE} ]] && iwconfig "${iface}" rate "${WIRELESS_BITRATE}"
	[[ -n ${WIRELESS_CHANNEL} ]] && iwconfig "${iface}" channel "${WIRELESS_CHANNEL}"
	[[ -n ${WIRELESS_ESSID} ]] && iwconfig "${iface}" essid "${WIRELESS_ESSID}"
	[[ -n ${WIRELESS_FREQUENCY} ]] && iwconfig "${iface}" freq "${WIRELESS_FREQUENCY}"
	[[ -n ${WIRELESS_MODE} ]] && iwconfig "${iface}" mode "${WIRELESS_MODE}"
	[[ -n ${WIRELESS_NICK} ]] && iwconfig "${iface}" nick "${WIRELESS_NICK}"

	case "${WIRELESS_AUTH_MODE}" in
		wpa|wpa2) config_wireless_wpa "${iface}" ;;
		wep|on) config_wireless_wep "${iface}" ;;
		off) iwconfig "${iface}" enc off ;;
	esac
}

config_bridge_options()
{
	local iface="$1"
	local i
	local port
	local cost
	local prio

	# enable spanning-tree protocol
	case ${BRIDGE_STP} in
		on|off) brctl stp "${iface}" "${BRIDGE_STP}" ;;
		*) rc_echo "BRIDGE: unkown value \$BRIDGE_STP='$BRIDGE_STP'."; return 1 ;;
	esac

	# configure ageing time
	if [[ ! -z ${BRIDGE_AGEING_TIME} ]]
	then
		brctl setageing "${iface}" "${BRIDGE_AGEING_TIME}"
	fi

	# configure bridge priority
	if [[ ! -z ${BRIDGE_PRIORITY} ]]
	then
		brctl setbridgeprio "${iface}" "${BRIDGE_PRIORITY}"
	fi

	# configure forward delay
	if [[ ! -z ${BRIDGE_FORWARD_DELAY} ]]
	then
		brctl setfd "${iface}" "${BRIDGE_FORWARD_DELAY}"
	fi

	# configure hello time
	if [[ ! -z ${BRIDGE_HELLO_TIME} ]]
	then
		brctl sethello "${iface}" "${BRIDGE_HELLO_TIME}"
	fi

	# configure maximal message age
	if [[ ! -z ${BRIDGE_MAX_MESSAGE_AGE} ]]
	then
		brctl setmaxage "${iface}" "${BRIDGE_MAX_MESSAGE_AGE}"
	fi

	# configure path cost for every port
	if [[ ! -z ${BRIDGE_PATH_COST} ]]
	then
		for i in ${BRIDGE_PATH_COST}
		do
			port="${i%=*}"
			cost="${i#*=}"
			[[ ! -z ${port} ]] && brctl pathcost "${iface}" "${port}" "${cost}"
		done
	fi

	# configure port priority for every port
	if [[ ! -z ${BRIDGE_PORT_PRIORITY} ]]
	then
		for i in ${BRIDGE_PORT_PRIORITY}
		do
			port="${i%=*}"
			prio="${i#*=}"
			[[ ! -z ${port} ]] && brctl setportprio "${iface}" "${port}" "${prio}"
		done
	fi
}

config_bridge_devices()
{
	local iface="$1"
	local method="$2"
	local bport

	if [[ -z ${iface} ]]
	then
		rc_echo "BRIDGE: no \$iface given. Aborting setup."
		return 1
	fi

	if [[ -z ${method} ]]
	then
		rc_echo "BRIDGE: no \$method given. Aborting setup."
		return 1
	fi

	# first check for brctl
	if [[ -z $(which brctl) ]]
	then
		rc_echo "brctl not found! Please install 'net-misc/bridge-utils'."
		return 1
	fi

	# check the config
	if [[ -z ${BRIDGE_INTERFACES} ]]
	then
		rc_echo "BRIDGE: no \$BRIDGE_INTERFACES given. Aborting setup."
		return 1
	fi

	case ${method} in
		add)
			# setup the bridge device
			brctl addbr "${iface}"
			for bport in ${BRIDGE_INTERFACES}
			do
				# enter promiscous mode
				ifconfig "${bport}" 0.0.0.0 promisc
				# now setup the bridge
				brctl addif "${iface}" "${bport}"
			done
			# configure all other options
			config_bridge_options "${iface}"
			;;

		remove)
			for bport in ${BRIDGE_INTERFACE}
			do
				# bring the interface down
				ifconfig "${bport}" down
				# remove the interface from the bridge
				brctl delif "${iface}" "${bport}"
			done
			# bring the bridge down
			brctl delbr "${iface}"
			;;
	esac

	# unset the bridge variable to be safe
	unset BRIDGE_INTERFACES
	# continue to setup generic networking
}

config_routes()
{
	local method="$1"
	local message

	# only add and del are allowed
	case ${method} in
		add) message="Adding route ${COLBLUE}${route}${COLDEFAULT} ..." ;;
		del) message="Removing route ${COLBLUE}${route}${COLDEFAULT} ..." ;;
		*)
			rc_echo "config_routes: unsupported \$method '${method}'."
			exit 1
			;;
	esac

	# adds/delete user routes
	if [[ -f /etc/conf.d/net.routes ]]
	then
		( cat /etc/conf.d/net.routes; echo ) | # make sure there is a LF at the end
		while read route
		do
			case "${route}" in
				\#*|"") continue ;;
			esac
			rc_print "${message}"
			route "${method}" "${route}"
			evaluate_retval
		done
	fi
}

networking_start()
{
	local iface dns routes ALL_INTERFACES

	if [[ -z $1 ]]
	then
		ALL_INTERFACES=$(onboot_interface_list ${rc_network_settings}/net.*)
	else
		if [[ -e ${rc_network_settings}/net.$1 ]]
		then
			ALL_INTERFACES="$1"
		else
			${FAILURE}
			rc_echo "Interface $1 does not exist. Aborting"
			${NORMAL}
			exit 1
		fi
	fi

	# get list of all devices
	for iface in ${ALL_INTERFACES}
	do
		# checkconfig
		source ${rc_network_settings}/net.${iface} || exit 1
		checkconfig

		# setup mac
		if [[ -n ${FORCE_MAC_TO} ]]
		then
			rc_print "Faking MAC to ${FORCE_MAC_TO} for ${COLBLUE}${iface}${COLDEFAULT} ... "
			ifconfig "${iface}" hw ether "${FORCE_MAC_TO}"
			evaluate_retval
		fi

		# setup bridges
		if [[ ${iface} = br[0-9]* ]]
		then
			config_bridge_devices "${iface}" add
		fi

		# now configure wireless_extensions
		[ -x /usr/sbin/iwconfig ] && setup_wireless_extensions "${iface}"

		rc_print "Bringing up interface ${COLBLUE}${iface}${COLDEFAULT} ..."

		# activate the interface
		ifconfig "${iface}" up

		# setup static or dhcp
		case ${NETWORKING} in
			dhcp|DHCP)
				${CURS_UP}
				${SET_WWCOL}
				rc_echo "[DHCP]"
				loadproc "${DHCP_PROG}" "${DHCP_START}" "${iface}"
				;;
			static|STATIC)
				${CURS_UP}
				${SET_WWCOL}
				rc_echo "[STATIC]"
				ifconfig "${iface}" "${IP}" netmask "${NETMASK}" broadcast "${BROADCAST}"
				evaluate_retval
				;;
		esac

		# setup def gw
		if [[ -n ${GATEWAY} ]]
		then
			rc_print "Setting up default gateway for ${COLBLUE}${iface}${COLDEFAULT} ..."
			route add default gateway "${GATEWAY}" metric 1 dev "${iface}"
			evaluate_retval

			unset GATEWAY
		fi

		# setup /etc/resolv.conf
		# add given nameserver
		if [[ -n ${NAMESERVER} ]]
		then
			rc_print "Setting up all nameserver for ${COLBLUE}${iface}${COLDEFAULT} ..."

			# whipe out the old one
			echo "# Generated by the magellan-initscripts for ${iface}" > /etc/resolv.conf
			# include head
			if [ -f /etc/resolv.conf.head ]
			then
				cat /etc/resolv.conf.head >> /etc/resolv.conf
			else
				echo "# /etc/resolv.conf.head can replace this line" >> /etc/resolv.conf
			fi

			for dns in ${NAMESERVER}
			do
				echo "nameserver ${dns}" >> /etc/resolv.conf
			done

			# include tail
			if [ -f /etc/resolv.conf.tail ]
			then
				cat /etc/resolv.conf.tail >> /etc/resolv.conf
			else
				echo "# /etc/resolv.conf.tail can replace this line" >> /etc/resolv.conf
			fi

			unset NAMESERVER
		fi
	done

	# setup user routes
	config_routes add
}

networking_stop()
{
	if [[ -z $1 ]]
	then
		ALL_INTERFACES=$(onboot_interface_list ${rc_network_settings}/net.*)
	else
		if [[ -e ${rc_network_settings}/net.$1 ]]
		then
			ALL_INTERFACES="$1"
		else
			${FAILURE}
			rc_echo "Interface $1 does not exist. Aborting"
			${NORMAL}
			exit 1
		fi
	fi

	# get list of all devices
	for iface in ${ALL_INTERFACES}
	do
		source ${rc_network_settings}/net.${iface} || exit 1
		checkconfig

		if [[ -n ${GATEWAY} ]]
		then
			rc_print "Removing default gateway ..."
			route del -net default
			evaluate_retval
		fi

		rc_print "Bringing down interface ${COLBLUE}${iface}${COLDEFAULT} ..."
		ifconfig "${iface}" down
		evaluate_retval

		# remove bridges
		if [[ ${iface} = br[0-9]* ]]
		then
			config_bridge_devices "${iface}" remove
		fi

		# shutdown dhcp-daemon
		if [[ ${NETWORKING} = dhcp ]] && [[ -n $(pidof ${DHCP_PROG}) ]]
		then
			rc_print "Stopping the dhcp-daemon ..."
			${CURS_UP}
			${SET_WWCOL}
			rc_echo "[$(basename ${DHCP_PROG})]"
			${DHCP_PROG} ${DHCP_STOP} "${iface}"
			evaluate_retval
		fi

		# shutdown wpa_supplicant daemon
		if [[ -n $(pidof wpa_supplicant) ]]
		then
			killall wpa_supplicant
		fi
	done

	# remove state dir
	if [ -d /var/run/wpa_supplicant ]
	then
		rm -rf /var/run/wpa_supplicant
	fi

	# delete user routes
	config_routes del
}

case $1 in
	start)
		networking_start $2
		update_svcstatus $1
		splash svc_started "$(basename $0)" 0
		;;

	stop)
		networking_stop $2
		update_svcstatus $1
		splash svc_stopped "$(basename $0)" 0
		;;

	restart)
		$0 stop
		sleep 1
		$0 start
		;;

	*)
		rc_echo "Usage: $0 {start|stop|restart} [interface]"
		exit 1
		;;
esac
1	niro	724	#!/bin/sh
2			# $Header: /home/cvsd/magellan-cvs/magellan-src/busybox-initscripts/rc/network,v 1.1 2008-06-02 22:14:35 niro Exp $
3
4			#%rlevels: 0:k 3:s
5			#%start: 20
6			#%stop: 80
7
8			#deps
9			#%needs:
10			#%before:
11			#%after:
12
13			source /etc/conf.d/rc
14			source ${rc_functions}
15
16			# read values from files
17			read_value()
18			{
19			local var="$1"
20			local file="$2"
21			local value
22
23			# local all possible vars
24			# global
25			local ONBOOT
26			local NETWORKING
27
28			# static
29			local IP
30			local NETMASK
31			local BROADCAST
32			local NETWORKING
33			local FORCE_MAC_TO
34
35			# dhcp
36			local DHCP_PROG
37			local DHCP_START
38			local DHCP_STOP
39
40			# default gw
41			local GATEWAY
42			local GATEWAY_IF
43
44			# wireless extensions
45			local WIRELESS_AP
46			local WIRELESS_AUTH_MODE
47			local WIRELESS_BITRATE
48			local WIRELESS_CHANNEL
49			local WIRELESS_DEFAULT_KEY
50			local WIRELESS_ESSID
51			local WIRELESS_FREQUENCY
52			local WIRELESS_KEY
53			local WIRELESS_KEY_ASCII
54			local WIRELESS_KEY_0
55			local WIRELESS_KEY_1
56			local WIRELESS_KEY_2
57			local WIRELESS_KEY_3
58			local WIRELESS_KEY_LENGTH
59			local WIRELESS_MODE
60			local WIRELESS_NICK
61			local WIRELESS_NWID
62			local WIRELESS_POWER
63			local WIRELESS_WPA_DRIVER
64
65			local BRIDGE_INTERFACES
66			local BRIDGE_STP
67	niro	1193	local BRIDGE_AGEING_TIME
68			local BRIDGE_PRIORITY
69			local BRIDGE_FORWARD_DELAY
70			local BRIDGE_HELLO_TIME
71			local BRIDGE_MAX_MESSAGE_AGE
72			local BRIDGE_PATH_COST
73			local BRIDGE_PORT_PRIORITY
74	niro	724
75			source ${file}
76			eval value=\$$(echo ${var})
77			echo "${value}"
78			}
79
80			checkconfig()
81			{
82			if [[ -z ${NETWORKING} ]]
83			then
84	niro	1193	rc_echo "NETWORKING missing in net.${iface}, aborted"
85	niro	724	exit 1
86			fi
87
88			case "${NETWORKING}" in
89			static)
90			if [[ -z ${IP} ]]
91			then
92	niro	1193	rc_echo "IP missing in net.${iface}, aborted"
93	niro	724	exit 1
94			fi
95
96			if [[ -z ${NETMASK} ]]
97			then
98	niro	1193	rc_echo -n "NETMASK missing in net.${iface}, "
99	niro	1168	rc_echo "using 255.255.255.0"
100	niro	724	NETMASK=255.255.255.0
101			fi
102
103			if [[ -z ${BROADCAST} ]]
104			then
105	niro	1193	rc_echo -n "BROADCAST missing in net.${iface}, "
106	niro	1168	rc_echo "using default address"
107	niro	724	fi
108			;;
109
110			dhcp)
111			if [[ -z ${DHCP_PROG} ]]
112			then
113	niro	1193	rc_echo -n "DHCP_PROG missing in net.${iface},"
114			rc_echo "using default programm /sbin/udhcpc"
115			DHCP_PROG="/sbin/udhcpc"
116			fi
117	niro	1203	[[ -z ${DHCP_START} ]] && DHCP_START="-T10"
118	niro	1193	[[ -z ${DHCP_STOP} ]] && DHCP_STOP="-k"
119	niro	724	;;
120
121			esac
122			}
123
124			# onboot_interface_list /path/to/files*
125			onboot_interface_list()
126			{
127			local file
128			local devices
129			local iface
130
131			# get list of all devices
132			for file in $@
133			do
134			if [[ $(read_value ONBOOT ${file}) = yes ]]
135			then
136			iface="$(basename ${file} \| sed s/net.//)"
137			# exclude backup files and exclude net.routes too
138			case "${iface}" in
139			*~) ;;
140			*/net.routes) ;;
141			*) devices="${devices} $(basename ${file} \| sed s/net.//)" ;;
142			esac
143			fi
144			done
145
146			echo "${devices}"
147			}
148
149			config_wireless_wep()
150			{
151			local iface="$1"
152
153			if [[ -z ${iface} ]]
154			then
155	niro	1168	rc_echo "WEP: no \$iface given. Aborting setup."
156	niro	724	return 1
157			fi
158
159			${CURS_UP}
160			${SET_WWCOL}
161	niro	1168	rc_echo "[AUTH: WEP]"
162	niro	724
163			iwconfig "${iface}" enc on
164			[[ -n ${WIRELESS_KEY_LENGTH} ]] && iwconfig "${iface}" enc "${WIRELESS_KEY_LENGTH}"
165			[[ -n ${WIRELESS_KEY} ]] && iwconfig "${iface}" key "${WIRELESS_KEY}"
166			[[ -n ${WIRELESS_KEY_ASCII} ]] && iwconfig "${iface}" key s:"${WIRELESS_KEY_ASCII}"
167			}
168
169			config_wireless_wpa()
170			{
171			local iface="$1"
172
173			if [[ -z ${iface} ]]
174			then
175	niro	1168	rc_echo "WPA: no \$iface given. Aborting setup."
176	niro	724	return 1
177			fi
178
179			if [ ! -x /sbin/wpa_supplicant ]
180			then
181	niro	1168	rc_echo "WPA: wpa_supplicant not installed. Aborting setup."
182	niro	724	return 1
183			fi
184
185			${CURS_UP}
186			${SET_WWCOL}
187	niro	1168	rc_echo "[AUTH: WPA]"
188	niro	724
189			# get default settings
190			[[ -f /etc/conf.d/wpa_supplicant ]] && source /etc/conf.d/wpa_supplicant
191
192			# check the configuration
193			[[ -z ${WIRELESS_WPA_CONFIG} ]] && WIRELESS_WPA_CONFIG=/etc/wpa_supplicant.auto
194			[[ -z ${WIRELESS_WPA_SKEL} ]] && WIRELESS_WPA_SKEL=/etc/conf.d/wpa_supplicant.skel
195
196	niro	1193	# use wext as default driver, do not abort here anymore
197			[[ -z ${WIRELESS_WPA_DRIVER} ]] && WIRELESS_WPA_DRIVER=wext
198
199	niro	724	# write a config with the settings from net.${iface}
200			# only wpa-psk ! all other needs manual setup
201			if [[ ${WIRELESS_WPA_AUTOCONF} = true ]]
202			then
203			# write default cfg from skeleton
204			cat ${WIRELESS_WPA_SKEL} > ${WIRELESS_WPA_CONFIG}
205
206	niro	1193	local wpa_proto
207			case ${WIRELESS_AUTH_MODE} in
208			wpa) wpa_proto="WPA" ;;
209			wpa2) wpa_proto="WPA2" ;;
210			esac
211
212	niro	724	# setup the network entry
213			sed -i -e "s:@WIRELESS_ESSID@:${WIRELESS_ESSID}:g" \
214	niro	1193	-e "s:@WIRELESS_KEY@:${WIRELESS_KEY_ASCII}:g" \
215			-e "s:@WIRELESS_AUTH_MODE@:${wpa_proto}:g" \
216	niro	724	${WIRELESS_WPA_CONFIG}
217			fi
218
219			# remove old state dir
220			[ -d /var/run/wpa_supplicant ] && rm -rf /var/run/wpa_supplicant
221
222			# now run the wpa_supplicant dameon
223			wpa_supplicant -B \
224			-D"${WIRELESS_WPA_DRIVER}" \
225			-c"${WIRELESS_WPA_CONFIG}" \
226			-i"${iface}" \
227			${WIRELESS_WPA_OPTS}
228
229			# echo wait 5 seconds
230	niro	1168	rc_echo " Waiting 5 seconds to retrieve authentification reply ... "
231	niro	724	sleep 5
232			}
233
234			setup_wireless_extensions()
235			{
236			local iface="$1"
237
238			if [[ -z ${iface} ]]
239			then
240	niro	1168	rc_echo "WIRELESS_EXTENSIONS: no \$iface given. Aborting setup."
241	niro	724	return 1
242			fi
243
244			if [[ -n ${WIRELESS_BITRATE} ]] \|\|
245			[[ -n ${WIRELESS_CHANNEL} ]] \|\|
246			[[ -n ${WIRELESS_ESSID} ]] \|\|
247			[[ -n ${WIRELESS_FREQUENCY} ]] \|\|
248			[[ -n ${WIRELESS_MODE} ]] \|\|
249			[[ -n ${WIRELESS_NICK} ]] \|\|
250			[[ -n ${WIRELESS_AUTH_MODE} ]]
251			then
252	niro	1168	rc_print "Setting up wlan-ext for ${COLBLUE}${iface}${COLDEFAULT} ... "
253	niro	724	fi
254
255			[[ -n ${WIRELESS_BITRATE} ]] && iwconfig "${iface}" rate "${WIRELESS_BITRATE}"
256			[[ -n ${WIRELESS_CHANNEL} ]] && iwconfig "${iface}" channel "${WIRELESS_CHANNEL}"
257			[[ -n ${WIRELESS_ESSID} ]] && iwconfig "${iface}" essid "${WIRELESS_ESSID}"
258			[[ -n ${WIRELESS_FREQUENCY} ]] && iwconfig "${iface}" freq "${WIRELESS_FREQUENCY}"
259			[[ -n ${WIRELESS_MODE} ]] && iwconfig "${iface}" mode "${WIRELESS_MODE}"
260			[[ -n ${WIRELESS_NICK} ]] && iwconfig "${iface}" nick "${WIRELESS_NICK}"
261
262			case "${WIRELESS_AUTH_MODE}" in
263	niro	1193	wpa\|wpa2) config_wireless_wpa "${iface}" ;;
264			wep\|on) config_wireless_wep "${iface}" ;;
265			off) iwconfig "${iface}" enc off ;;
266	niro	724	esac
267			}
268
269	niro	1193	config_bridge_options()
270			{
271			local iface="$1"
272			local i
273			local port
274			local cost
275			local prio
276
277			# enable spanning-tree protocol
278			case ${BRIDGE_STP} in
279			on\|off) brctl stp "${iface}" "${BRIDGE_STP}" ;;
280			*) rc_echo "BRIDGE: unkown value \$BRIDGE_STP='$BRIDGE_STP'."; return 1 ;;
281			esac
282
283			# configure ageing time
284			if [[ ! -z ${BRIDGE_AGEING_TIME} ]]
285			then
286			brctl setageing "${iface}" "${BRIDGE_AGEING_TIME}"
287			fi
288
289			# configure bridge priority
290			if [[ ! -z ${BRIDGE_PRIORITY} ]]
291			then
292			brctl setbridgeprio "${iface}" "${BRIDGE_PRIORITY}"
293			fi
294
295			# configure forward delay
296			if [[ ! -z ${BRIDGE_FORWARD_DELAY} ]]
297			then
298			brctl setfd "${iface}" "${BRIDGE_FORWARD_DELAY}"
299			fi
300
301			# configure hello time
302			if [[ ! -z ${BRIDGE_HELLO_TIME} ]]
303			then
304			brctl sethello "${iface}" "${BRIDGE_HELLO_TIME}"
305			fi
306
307			# configure maximal message age
308			if [[ ! -z ${BRIDGE_MAX_MESSAGE_AGE} ]]
309			then
310			brctl setmaxage "${iface}" "${BRIDGE_MAX_MESSAGE_AGE}"
311			fi
312
313			# configure path cost for every port
314			if [[ ! -z ${BRIDGE_PATH_COST} ]]
315			then
316			for i in ${BRIDGE_PATH_COST}
317			do
318			port="${i%=*}"
319			cost="${i#*=}"
320			[[ ! -z ${port} ]] && brctl pathcost "${iface}" "${port}" "${cost}"
321			done
322			fi
323
324			# configure port priority for every port
325			if [[ ! -z ${BRIDGE_PORT_PRIORITY} ]]
326			then
327			for i in ${BRIDGE_PORT_PRIORITY}
328			do
329			port="${i%=*}"
330			prio="${i#*=}"
331			[[ ! -z ${port} ]] && brctl setportprio "${iface}" "${port}" "${prio}"
332			done
333			fi
334			}
335
336	niro	724	config_bridge_devices()
337			{
338			local iface="$1"
339			local method="$2"
340			local bport
341
342			if [[ -z ${iface} ]]
343			then
344	niro	1168	rc_echo "BRIDGE: no \$iface given. Aborting setup."
345	niro	724	return 1
346			fi
347
348			if [[ -z ${method} ]]
349			then
350	niro	1168	rc_echo "BRIDGE: no \$method given. Aborting setup."
351	niro	724	return 1
352			fi
353
354			# first check for brctl
355			if [[ -z $(which brctl) ]]
356			then
357	niro	1168	rc_echo "brctl not found! Please install 'net-misc/bridge-utils'."
358	niro	724	return 1
359			fi
360
361			# check the config
362			if [[ -z ${BRIDGE_INTERFACES} ]]
363			then
364	niro	1168	rc_echo "BRIDGE: no \$BRIDGE_INTERFACES given. Aborting setup."
365	niro	724	return 1
366			fi
367
368			case ${method} in
369			add)
370			# setup the bridge device
371	niro	1193	brctl addbr "${iface}"
372	niro	724	for bport in ${BRIDGE_INTERFACES}
373			do
374			# enter promiscous mode
375	niro	1193	ifconfig "${bport}" 0.0.0.0 promisc
376	niro	724	# now setup the bridge
377	niro	1193	brctl addif "${iface}" "${bport}"
378	niro	724	done
379	niro	1193	# configure all other options
380			config_bridge_options "${iface}"
381	niro	724	;;
382
383			remove)
384			for bport in ${BRIDGE_INTERFACE}
385			do
386			# bring the interface down
387	niro	1193	ifconfig "${bport}" down
388	niro	724	# remove the interface from the bridge
389	niro	1193	brctl delif "${iface}" "${bport}"
390	niro	724	done
391			# bring the bridge down
392	niro	1193	brctl delbr "${iface}"
393	niro	724	;;
394			esac
395
396			# unset the bridge variable to be safe
397			unset BRIDGE_INTERFACES
398			# continue to setup generic networking
399			}
400
401			config_routes()
402			{
403			local method="$1"
404			local message
405
406			# only add and del are allowed
407			case ${method} in
408			add) message="Adding route ${COLBLUE}${route}${COLDEFAULT} ..." ;;
409			del) message="Removing route ${COLBLUE}${route}${COLDEFAULT} ..." ;;
410			*)
411	niro	1168	rc_echo "config_routes: unsupported \$method '${method}'."
412	niro	724	exit 1
413			;;
414			esac
415
416			# adds/delete user routes
417			if [[ -f /etc/conf.d/net.routes ]]
418			then
419			( cat /etc/conf.d/net.routes; echo ) \| # make sure there is a LF at the end
420			while read route
421			do
422			case "${route}" in
423			\#*\|"") continue ;;
424			esac
425	niro	1168	rc_print "${message}"
426	niro	1193	route "${method}" "${route}"
427	niro	724	evaluate_retval
428			done
429			fi
430			}
431
432			networking_start()
433			{
434			local iface dns routes ALL_INTERFACES
435
436			if [[ -z $1 ]]
437			then
438	niro	1193	ALL_INTERFACES=$(onboot_interface_list ${rc_network_settings}/net.*)
439	niro	724	else
440	niro	1193	if [[ -e ${rc_network_settings}/net.$1 ]]
441	niro	724	then
442			ALL_INTERFACES="$1"
443			else
444			${FAILURE}
445	niro	1168	rc_echo "Interface $1 does not exist. Aborting"
446	niro	724	${NORMAL}
447			exit 1
448			fi
449			fi
450
451			# get list of all devices
452			for iface in ${ALL_INTERFACES}
453			do
454			# checkconfig
455	niro	1193	source ${rc_network_settings}/net.${iface} \|\| exit 1
456	niro	724	checkconfig
457
458			# setup mac
459	niro	1193	if [[ -n ${FORCE_MAC_TO} ]]
460	niro	724	then
461	niro	1168	rc_print "Faking MAC to ${FORCE_MAC_TO} for ${COLBLUE}${iface}${COLDEFAULT} ... "
462	niro	724	ifconfig "${iface}" hw ether "${FORCE_MAC_TO}"
463			evaluate_retval
464			fi
465
466			# setup bridges
467			if [[ ${iface} = br[0-9]* ]]
468			then
469	niro	1193	config_bridge_devices "${iface}" add
470	niro	724	fi
471
472			# now configure wireless_extensions
473			[ -x /usr/sbin/iwconfig ] && setup_wireless_extensions "${iface}"
474
475	niro	1168	rc_print "Bringing up interface ${COLBLUE}${iface}${COLDEFAULT} ..."
476	niro	724
477	niro	1193	# activate the interface
478			ifconfig "${iface}" up
479
480	niro	724	# setup static or dhcp
481			case ${NETWORKING} in
482			dhcp\|DHCP)
483			${CURS_UP}
484			${SET_WWCOL}
485	niro	1168	rc_echo "[DHCP]"
486	niro	1193	loadproc "${DHCP_PROG}" "${DHCP_START}" "${iface}"
487	niro	724	;;
488			static\|STATIC)
489			${CURS_UP}
490			${SET_WWCOL}
491	niro	1168	rc_echo "[STATIC]"
492	niro	724	ifconfig "${iface}" "${IP}" netmask "${NETMASK}" broadcast "${BROADCAST}"
493			evaluate_retval
494			;;
495			esac
496
497			# setup def gw
498			if [[ -n ${GATEWAY} ]]
499			then
500	niro	1168	rc_print "Setting up default gateway for ${COLBLUE}${iface}${COLDEFAULT} ..."
501	niro	1193	route add default gateway "${GATEWAY}" metric 1 dev "${iface}"
502	niro	724	evaluate_retval
503
504			unset GATEWAY
505			fi
506
507			# setup /etc/resolv.conf
508	niro	1193	# add given nameserver
509	niro	724	if [[ -n ${NAMESERVER} ]]
510			then
511	niro	1168	rc_print "Setting up all nameserver for ${COLBLUE}${iface}${COLDEFAULT} ..."
512
513	niro	724	# whipe out the old one
514			echo "# Generated by the magellan-initscripts for ${iface}" > /etc/resolv.conf
515	niro	1193	# include head
516			if [ -f /etc/resolv.conf.head ]
517			then
518			cat /etc/resolv.conf.head >> /etc/resolv.conf
519			else
520			echo "# /etc/resolv.conf.head can replace this line" >> /etc/resolv.conf
521			fi
522
523	niro	724	for dns in ${NAMESERVER}
524			do
525			echo "nameserver ${dns}" >> /etc/resolv.conf
526			done
527
528	niro	1193	# include tail
529			if [ -f /etc/resolv.conf.tail ]
530			then
531			cat /etc/resolv.conf.tail >> /etc/resolv.conf
532			else
533			echo "# /etc/resolv.conf.tail can replace this line" >> /etc/resolv.conf
534			fi
535
536	niro	724	unset NAMESERVER
537			fi
538			done
539
540			# setup user routes
541			config_routes add
542			}
543
544			networking_stop()
545			{
546			if [[ -z $1 ]]
547			then
548	niro	1193	ALL_INTERFACES=$(onboot_interface_list ${rc_network_settings}/net.*)
549	niro	724	else
550	niro	1193	if [[ -e ${rc_network_settings}/net.$1 ]]
551	niro	724	then
552			ALL_INTERFACES="$1"
553			else
554			${FAILURE}
555	niro	1168	rc_echo "Interface $1 does not exist. Aborting"
556	niro	724	${NORMAL}
557			exit 1
558			fi
559			fi
560
561			# get list of all devices
562			for iface in ${ALL_INTERFACES}
563			do
564	niro	1193	source ${rc_network_settings}/net.${iface} \|\| exit 1
565	niro	724	checkconfig
566
567			if [[ -n ${GATEWAY} ]]
568			then
569	niro	1168	rc_print "Removing default gateway ..."
570	niro	724	route del -net default
571			evaluate_retval
572			fi
573
574	niro	1168	rc_print "Bringing down interface ${COLBLUE}${iface}${COLDEFAULT} ..."
575	niro	1193	ifconfig "${iface}" down
576	niro	724	evaluate_retval
577
578			# remove bridges
579			if [[ ${iface} = br[0-9]* ]]
580			then
581	niro	1193	config_bridge_devices "${iface}" remove
582	niro	724	fi
583
584			# shutdown dhcp-daemon
585			if [[ ${NETWORKING} = dhcp ]] && [[ -n $(pidof ${DHCP_PROG}) ]]
586			then
587	niro	1168	rc_print "Stopping the dhcp-daemon ..."
588	niro	724	${CURS_UP}
589			${SET_WWCOL}
590	niro	1168	rc_echo "[$(basename ${DHCP_PROG})]"
591	niro	724	${DHCP_PROG} ${DHCP_STOP} "${iface}"
592			evaluate_retval
593			fi
594
595			# shutdown wpa_supplicant daemon
596			if [[ -n $(pidof wpa_supplicant) ]]
597			then
598			killall wpa_supplicant
599			fi
600			done
601
602			# remove state dir
603			if [ -d /var/run/wpa_supplicant ]
604			then
605			rm -rf /var/run/wpa_supplicant
606			fi
607
608			# delete user routes
609			config_routes del
610			}
611
612			case $1 in
613			start)
614			networking_start $2
615			update_svcstatus $1
616			splash svc_started "$(basename $0)" 0
617			;;
618
619			stop)
620			networking_stop $2
621			update_svcstatus $1
622			splash svc_stopped "$(basename $0)" 0
623			;;
624
625			restart)
626			$0 stop
627			sleep 1
628			$0 start
629			;;
630
631			*)
632	niro	1193	rc_echo "Usage: $0 {start\|stop\|restart} [interface]"
633	niro	724	exit 1
634			;;
635			esac