units/scripts/network.sh

#!/bin/bash
# $Id$
# Magellan network configuration script for systemd

# get default settings
source /etc/conf.d/network

wait_online()
{
	local timeout="1"
	local iface="$2"

	(( timeout *= 10 ))

	while [ ! -e /sys/class/net/${iface} ]
	do
		(( timeout-- > 0 )) || return 1
		sleep 0.1
	done

	return 0
}

# 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 ${NETWORKING} ]]
	then
		echo "NETWORKING missing in net.${iface}, aborted"
		exit 1
	fi

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

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

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

	dhcp)
		if [[ -z ${DHCP_PROG} ]]
		then
			echo -n "DHCP_PROG missing in net.${iface},"
			echo "using default programm ${DEFAULT_DHCP_PROG}"
			DHCP_PROG="${DEFAULT_DHCP_PROG}"
		fi
		[[ -z ${DHCP_START} ]] && DHCP_START="${DEFAULT_DHCP_START}"
		[[ -z ${DHCP_STOP} ]] && DHCP_STOP="${DEFAULT_DHCP_STOP}"
		;;

	esac
}

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

	# get list of all devices
	for file in $@
	do
		iface="$(basename ${file} | sed s/net.//)"

		# exclude backup files and exclude net.routes and net.sample too
		case "${iface}" in
			*~) continue ;;
			routes) continue ;;
			sample) continue ;;
		esac

		if [[ $(read_value ONBOOT ${file}) = yes ]]
		then
			devices="${devices} ${iface}"
		fi
	done

	echo "${devices}"
}

config_wireless_wep()
{
	local iface="$1"

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

	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
		echo "WPA: no \$iface given. Aborting setup."
		return 1
	fi

	if [ ! -x $(type -P wpa_supplicant) ]
	then
		echo "WPA: wpa_supplicant not installed. Aborting setup."
		return 1
	fi

	# 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/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 /run/wpa_supplicant ] && rm -rf /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
	echo "    Waiting 5 seconds to retrieve authentification reply ... "
	sleep 5
}

setup_wireless_extensions()
{
	local iface="$1"

	if [[ -z ${iface} ]]
	then
		echo "WIRELESS_EXTENSIONS: no \$iface given. Aborting setup."
		return 1
	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}" "${BRIDGE_STP}" ;;
		*) echo "BRIDGE: unkown value \$BRIDGE_STP='$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
		echo "BRIDGE: no \$iface given. Aborting setup."
		return 1
	fi

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

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

	# check the config
	if [[ -z ${BRIDGE_INTERFACES} ]]
	then
		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 ${method} in
		add) message="Adding" ;;
		del) message="Removing" ;;
		*)
			echo "config_routes: unsupported \$method '${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
			# do not esacpe ${route} or it breaks!
			route "${method}" ${route}
		done
	fi
}

networking_start()
{
	local iface dns routes ALL_INTERFACES

	if [[ -z $1 ]]
	then
		ALL_INTERFACES=$(onboot_interface_list /etc/conf.d/net.*)
	else
		if [[ -e /etc/conf.d/net.$1 ]]
		then
			ALL_INTERFACES="$1"
		else
			echo "Interface $1 does not exist. Aborting"
			exit 1
		fi
	fi

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

		# wait until the device is created
		wait_online 5 "${iface}" || { echo "device '${iface}' does not exist"; continue; }

		# setup mac
		if [[ -n ${FORCE_MAC_TO} ]]
		then
			ifconfig "${iface}" hw ether "${FORCE_MAC_TO}"
		fi

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

		# now configure wireless_extensions
		[ -x $(type -P iwconfig) ] && setup_wireless_extensions "${iface}"

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

		# setup static or dhcp
		case ${NETWORKING} in
			dhcp|DHCP)
				${DHCP_PROG} ${DHCP_START} "${iface}" ;;
			static|STATIC)
				ifconfig "${iface}" "${IP}" netmask "${NETMASK}" broadcast "${BROADCAST}" ;;
		esac

		# setup def gw
		if [[ -n ${GATEWAY} ]]
		then
			route add default gateway "${GATEWAY}" metric 1 dev "${iface}"
			unset GATEWAY
		fi

		# setup /etc/resolv.conf
		# add given nameserver
		if [[ -n ${NAMESERVER} ]]
		then
			# 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 /etc/conf.d/net.*)
	else
		if [[ -e /etc/conf.d/net.$1 ]]
		then
			ALL_INTERFACES="$1"
		else
			echo "Interface $1 does not exist. Aborting"
			exit 1
		fi
	fi

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

		if [[ -n ${GATEWAY} ]]
		then
			route del -net default
		fi

		ifconfig "${iface}" down

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

		# shutdown dhcp-daemon
		if [[ ${NETWORKING} = dhcp ]] && [[ -n $(pidof $(basename ${DHCP_PROG})) ]]
		then
			if [[ -z ${DHCP_STOP} ]]
			then
				killall -15 ${DHCP_PROG}
				sleep 1
				# try harder
				if [[ -n $(pidof $(basename ${DHCP_PROG})) ]]
				then
					killall -9 ${DHCP_PROG}
				fi
			else
				${DHCP_PROG} ${DHCP_STOP} "${iface}"
			fi
		fi

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

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

	# delete user routes
	config_routes del
}

case $1 in
	start)
		networking_start $2 ;;

	stop) 
		networking_stop $2 ;;

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

	*)
		echo "Usage: $0 {start|stop|restart} [interface]"
		exit 1
		;;
esac
1	niro	1378	#!/bin/bash
2			# $Id$
3			# Magellan network configuration script for systemd
4
5	niro	1382	# get default settings
6			source /etc/conf.d/network
7
8	niro	2305	wait_online()
9			{
10			local timeout="1"
11			local iface="$2"
12
13			(( timeout *= 10 ))
14
15			while [ ! -e /sys/class/net/${iface} ]
16			do
17			(( timeout-- > 0 )) \|\| return 1
18			sleep 0.1
19			done
20
21			return 0
22			}
23
24	niro	1378	# read values from files
25			read_value()
26			{
27			local var="$1"
28			local file="$2"
29			local value
30
31			# local all possible vars
32			# global
33			local ONBOOT
34			local NETWORKING
35
36			# static
37			local IP
38			local NETMASK
39			local BROADCAST
40			local NETWORKING
41			local FORCE_MAC_TO
42
43			# dhcp
44			local DHCP_PROG
45			local DHCP_START
46			local DHCP_STOP
47
48			# default gw
49			local GATEWAY
50			local GATEWAY_IF
51
52			# wireless extensions
53			local WIRELESS_AP
54			local WIRELESS_AUTH_MODE
55			local WIRELESS_BITRATE
56			local WIRELESS_CHANNEL
57			local WIRELESS_DEFAULT_KEY
58			local WIRELESS_ESSID
59			local WIRELESS_FREQUENCY
60			local WIRELESS_KEY
61			local WIRELESS_KEY_ASCII
62			local WIRELESS_KEY_0
63			local WIRELESS_KEY_1
64			local WIRELESS_KEY_2
65			local WIRELESS_KEY_3
66			local WIRELESS_KEY_LENGTH
67			local WIRELESS_MODE
68			local WIRELESS_NICK
69			local WIRELESS_NWID
70			local WIRELESS_POWER
71			local WIRELESS_WPA_DRIVER
72
73			local BRIDGE_INTERFACES
74			local BRIDGE_STP
75			local BRIDGE_AGEING_TIME
76			local BRIDGE_PRIORITY
77			local BRIDGE_FORWARD_DELAY
78			local BRIDGE_HELLO_TIME
79			local BRIDGE_MAX_MESSAGE_AGE
80			local BRIDGE_PATH_COST
81			local BRIDGE_PORT_PRIORITY
82
83			source ${file}
84			eval value=\$$(echo ${var})
85			echo "${value}"
86			}
87
88			checkconfig()
89			{
90			if [[ -z ${NETWORKING} ]]
91			then
92			echo "NETWORKING missing in net.${iface}, aborted"
93			exit 1
94			fi
95
96			case "${NETWORKING}" in
97			static)
98			if [[ -z ${IP} ]]
99			then
100			echo "IP missing in net.${iface}, aborted"
101			exit 1
102			fi
103
104			if [[ -z ${NETMASK} ]]
105			then
106			echo -n "NETMASK missing in net.${iface}, "
107	niro	1382	echo "using ${DEFAULT_NETMASK}"
108			NETMASK="${DEFAULT_NETMASK}"
109	niro	1378	fi
110
111			if [[ -z ${BROADCAST} ]]
112			then
113			echo -n "BROADCAST missing in net.${iface}, "
114			echo "using default address"
115			fi
116			;;
117
118			dhcp)
119			if [[ -z ${DHCP_PROG} ]]
120			then
121			echo -n "DHCP_PROG missing in net.${iface},"
122	niro	1382	echo "using default programm ${DEFAULT_DHCP_PROG}"
123			DHCP_PROG="${DEFAULT_DHCP_PROG}"
124	niro	1378	fi
125	niro	1382	[[ -z ${DHCP_START} ]] && DHCP_START="${DEFAULT_DHCP_START}"
126			[[ -z ${DHCP_STOP} ]] && DHCP_STOP="${DEFAULT_DHCP_STOP}"
127	niro	1378	;;
128
129			esac
130			}
131
132			# onboot_interface_list /path/to/files*
133			onboot_interface_list()
134			{
135			local file
136			local devices
137			local iface
138
139			# get list of all devices
140			for file in $@
141			do
142			iface="$(basename ${file} \| sed s/net.//)"
143
144			# exclude backup files and exclude net.routes and net.sample too
145			case "${iface}" in
146			*~) continue ;;
147			routes) continue ;;
148			sample) continue ;;
149			esac
150
151			if [[ $(read_value ONBOOT ${file}) = yes ]]
152			then
153			devices="${devices} ${iface}"
154			fi
155			done
156
157			echo "${devices}"
158			}
159
160			config_wireless_wep()
161			{
162			local iface="$1"
163
164			if [[ -z ${iface} ]]
165			then
166			echo "WEP: no \$iface given. Aborting setup."
167			return 1
168			fi
169
170			iwconfig "${iface}" enc on
171			[[ -n ${WIRELESS_KEY_LENGTH} ]] && iwconfig "${iface}" enc "${WIRELESS_KEY_LENGTH}"
172			[[ -n ${WIRELESS_KEY} ]] && iwconfig "${iface}" key "${WIRELESS_KEY}"
173			[[ -n ${WIRELESS_KEY_ASCII} ]] && iwconfig "${iface}" key s:"${WIRELESS_KEY_ASCII}"
174			}
175
176			config_wireless_wpa()
177			{
178			local iface="$1"
179
180			if [[ -z ${iface} ]]
181			then
182			echo "WPA: no \$iface given. Aborting setup."
183			return 1
184			fi
185
186	niro	2063	if [ ! -x $(type -P wpa_supplicant) ]
187	niro	1378	then
188			echo "WPA: wpa_supplicant not installed. Aborting setup."
189			return 1
190			fi
191
192			# get default settings
193			[[ -f /etc/conf.d/wpa_supplicant ]] && source /etc/conf.d/wpa_supplicant
194
195			# check the configuration
196	niro	2031	[[ -z ${WIRELESS_WPA_CONFIG} ]] && WIRELESS_WPA_CONFIG=/etc/wpa_supplicant/wpa_supplicant.auto
197	niro	1378	[[ -z ${WIRELESS_WPA_SKEL} ]] && WIRELESS_WPA_SKEL=/etc/conf.d/wpa_supplicant.skel
198
199			# use wext as default driver, do not abort here anymore
200			[[ -z ${WIRELESS_WPA_DRIVER} ]] && WIRELESS_WPA_DRIVER=wext
201
202			# write a config with the settings from net.${iface}
203			# only wpa-psk ! all other needs manual setup
204			if [[ ${WIRELESS_WPA_AUTOCONF} = true ]]
205			then
206			# write default cfg from skeleton
207			cat ${WIRELESS_WPA_SKEL} > ${WIRELESS_WPA_CONFIG}
208
209			local wpa_proto
210			case ${WIRELESS_AUTH_MODE} in
211			wpa) wpa_proto="WPA" ;;
212			wpa2) wpa_proto="WPA2" ;;
213			esac
214
215			# setup the network entry
216			sed -i -e "s:@WIRELESS_ESSID@:${WIRELESS_ESSID}:g" \
217			-e "s:@WIRELESS_KEY@:${WIRELESS_KEY_ASCII}:g" \
218			-e "s:@WIRELESS_AUTH_MODE@:${wpa_proto}:g" \
219			${WIRELESS_WPA_CONFIG}
220			fi
221
222			# remove old state dir
223	niro	1665	[ -d /run/wpa_supplicant ] && rm -rf /run/wpa_supplicant
224	niro	1378
225			# now run the wpa_supplicant dameon
226			wpa_supplicant -B \
227			-D"${WIRELESS_WPA_DRIVER}" \
228			-c"${WIRELESS_WPA_CONFIG}" \
229			-i"${iface}" \
230			${WIRELESS_WPA_OPTS}
231
232			# echo wait 5 seconds
233			echo " Waiting 5 seconds to retrieve authentification reply ... "
234			sleep 5
235			}
236
237			setup_wireless_extensions()
238			{
239			local iface="$1"
240
241			if [[ -z ${iface} ]]
242			then
243			echo "WIRELESS_EXTENSIONS: no \$iface given. Aborting setup."
244			return 1
245			fi
246
247			[[ -n ${WIRELESS_BITRATE} ]] && iwconfig "${iface}" rate "${WIRELESS_BITRATE}"
248			[[ -n ${WIRELESS_CHANNEL} ]] && iwconfig "${iface}" channel "${WIRELESS_CHANNEL}"
249			[[ -n ${WIRELESS_ESSID} ]] && iwconfig "${iface}" essid "${WIRELESS_ESSID}"
250			[[ -n ${WIRELESS_FREQUENCY} ]] && iwconfig "${iface}" freq "${WIRELESS_FREQUENCY}"
251			[[ -n ${WIRELESS_MODE} ]] && iwconfig "${iface}" mode "${WIRELESS_MODE}"
252			[[ -n ${WIRELESS_NICK} ]] && iwconfig "${iface}" nick "${WIRELESS_NICK}"
253
254			case "${WIRELESS_AUTH_MODE}" in
255			wpa\|wpa2) config_wireless_wpa "${iface}" ;;
256			wep\|on) config_wireless_wep "${iface}" ;;
257			off) iwconfig "${iface}" enc off ;;
258			esac
259			}
260
261			config_bridge_options()
262			{
263			local iface="$1"
264			local i
265			local port
266			local cost
267			local prio
268
269			# enable spanning-tree protocol
270			case ${BRIDGE_STP} in
271			on\|off) brctl stp "${iface}" "${BRIDGE_STP}" ;;
272			*) echo "BRIDGE: unkown value \$BRIDGE_STP='$BRIDGE_STP'."; return 1 ;;
273			esac
274
275			# configure ageing time
276			if [[ ! -z ${BRIDGE_AGEING_TIME} ]]
277			then
278			brctl setageing "${iface}" "${BRIDGE_AGEING_TIME}"
279			fi
280
281			# configure bridge priority
282			if [[ ! -z ${BRIDGE_PRIORITY} ]]
283			then
284			brctl setbridgeprio "${iface}" "${BRIDGE_PRIORITY}"
285			fi
286
287			# configure forward delay
288			if [[ ! -z ${BRIDGE_FORWARD_DELAY} ]]
289			then
290			brctl setfd "${iface}" "${BRIDGE_FORWARD_DELAY}"
291			fi
292
293			# configure hello time
294			if [[ ! -z ${BRIDGE_HELLO_TIME} ]]
295			then
296			brctl sethello "${iface}" "${BRIDGE_HELLO_TIME}"
297			fi
298
299			# configure maximal message age
300			if [[ ! -z ${BRIDGE_MAX_MESSAGE_AGE} ]]
301			then
302			brctl setmaxage "${iface}" "${BRIDGE_MAX_MESSAGE_AGE}"
303			fi
304
305			# configure path cost for every port
306			if [[ ! -z ${BRIDGE_PATH_COST} ]]
307			then
308			for i in ${BRIDGE_PATH_COST}
309			do
310			port="${i%=*}"
311			cost="${i#*=}"
312			[[ ! -z ${port} ]] && brctl pathcost "${iface}" "${port}" "${cost}"
313			done
314			fi
315
316			# configure port priority for every port
317			if [[ ! -z ${BRIDGE_PORT_PRIORITY} ]]
318			then
319			for i in ${BRIDGE_PORT_PRIORITY}
320			do
321			port="${i%=*}"
322			prio="${i#*=}"
323			[[ ! -z ${port} ]] && brctl setportprio "${iface}" "${port}" "${prio}"
324			done
325			fi
326			}
327
328			config_bridge_devices()
329			{
330			local iface="$1"
331			local method="$2"
332			local bport
333
334			if [[ -z ${iface} ]]
335			then
336			echo "BRIDGE: no \$iface given. Aborting setup."
337			return 1
338			fi
339
340			if [[ -z ${method} ]]
341			then
342			echo "BRIDGE: no \$method given. Aborting setup."
343			return 1
344			fi
345
346			# first check for brctl
347	niro	2030	if [[ -z $(type -P brctl) ]]
348	niro	1378	then
349			echo "brctl not found! Please install 'net-misc/bridge-utils'."
350			return 1
351			fi
352
353			# check the config
354			if [[ -z ${BRIDGE_INTERFACES} ]]
355			then
356			echo "BRIDGE: no \$BRIDGE_INTERFACES given. Aborting setup."
357			return 1
358			fi
359
360			case ${method} in
361			add)
362			# setup the bridge device
363			brctl addbr "${iface}"
364			for bport in ${BRIDGE_INTERFACES}
365			do
366			# enter promiscous mode
367			ifconfig "${bport}" 0.0.0.0 promisc
368			# now setup the bridge
369			brctl addif "${iface}" "${bport}"
370			done
371			# configure all other options
372			config_bridge_options "${iface}"
373			;;
374
375			remove)
376			for bport in ${BRIDGE_INTERFACE}
377			do
378			# bring the interface down
379			ifconfig "${bport}" down
380			# remove the interface from the bridge
381			brctl delif "${iface}" "${bport}"
382			done
383			# bring the bridge down
384			brctl delbr "${iface}"
385			;;
386			esac
387
388			# unset the bridge variable to be safe
389			unset BRIDGE_INTERFACES
390			# continue to setup generic networking
391			}
392
393			config_routes()
394			{
395			local method="$1"
396			local message
397
398			# only add and del are allowed
399			case ${method} in
400			add) message="Adding" ;;
401			del) message="Removing" ;;
402			*)
403			echo "config_routes: unsupported \$method '${method}'."
404			exit 1
405			;;
406			esac
407
408			# adds/delete user routes
409			if [[ -f /etc/conf.d/net.routes ]]
410			then
411			( cat /etc/conf.d/net.routes; echo ) \| # make sure there is a LF at the end
412			while read route
413			do
414			case "${route}" in
415			\#*\|"") continue ;;
416			esac
417			# do not esacpe ${route} or it breaks!
418			route "${method}" ${route}
419			done
420			fi
421			}
422
423			networking_start()
424			{
425			local iface dns routes ALL_INTERFACES
426
427			if [[ -z $1 ]]
428			then
429			ALL_INTERFACES=$(onboot_interface_list /etc/conf.d/net.*)
430			else
431			if [[ -e /etc/conf.d/net.$1 ]]
432			then
433			ALL_INTERFACES="$1"
434			else
435			echo "Interface $1 does not exist. Aborting"
436			exit 1
437			fi
438			fi
439
440			# get list of all devices
441			for iface in ${ALL_INTERFACES}
442			do
443			# checkconfig
444			source /etc/conf.d/net.${iface} \|\| exit 1
445			checkconfig
446
447	niro	2305	# wait until the device is created
448			wait_online 5 "${iface}" \|\| { echo "device '${iface}' does not exist"; continue; }
449
450	niro	1378	# setup mac
451			if [[ -n ${FORCE_MAC_TO} ]]
452			then
453			ifconfig "${iface}" hw ether "${FORCE_MAC_TO}"
454			fi
455
456			# setup bridges
457			if [[ ${iface} = br[0-9]* ]]
458			then
459			config_bridge_devices "${iface}" add
460			fi
461
462			# now configure wireless_extensions
463	niro	2101	[ -x $(type -P iwconfig) ] && setup_wireless_extensions "${iface}"
464	niro	1378
465			# activate the interface
466			ifconfig "${iface}" up
467
468			# setup static or dhcp
469			case ${NETWORKING} in
470			dhcp\|DHCP)
471			${DHCP_PROG} ${DHCP_START} "${iface}" ;;
472			static\|STATIC)
473			ifconfig "${iface}" "${IP}" netmask "${NETMASK}" broadcast "${BROADCAST}" ;;
474			esac
475
476			# setup def gw
477			if [[ -n ${GATEWAY} ]]
478			then
479			route add default gateway "${GATEWAY}" metric 1 dev "${iface}"
480			unset GATEWAY
481			fi
482
483			# setup /etc/resolv.conf
484			# add given nameserver
485			if [[ -n ${NAMESERVER} ]]
486			then
487			# whipe out the old one
488			echo "# Generated by the magellan-initscripts for ${iface}" > /etc/resolv.conf
489			# include head
490			if [ -f /etc/resolv.conf.head ]
491			then
492			cat /etc/resolv.conf.head >> /etc/resolv.conf
493			else
494			echo "# /etc/resolv.conf.head can replace this line" >> /etc/resolv.conf
495			fi
496
497			for dns in ${NAMESERVER}
498			do
499			echo "nameserver ${dns}" >> /etc/resolv.conf
500			done
501
502			# include tail
503			if [ -f /etc/resolv.conf.tail ]
504			then
505			cat /etc/resolv.conf.tail >> /etc/resolv.conf
506			else
507			echo "# /etc/resolv.conf.tail can replace this line" >> /etc/resolv.conf
508			fi
509
510			unset NAMESERVER
511			fi
512			done
513
514			# setup user routes
515			config_routes add
516			}
517
518			networking_stop()
519			{
520			if [[ -z $1 ]]
521			then
522			ALL_INTERFACES=$(onboot_interface_list /etc/conf.d/net.*)
523			else
524			if [[ -e /etc/conf.d/net.$1 ]]
525			then
526			ALL_INTERFACES="$1"
527			else
528			echo "Interface $1 does not exist. Aborting"
529			exit 1
530			fi
531			fi
532
533			# get list of all devices
534			for iface in ${ALL_INTERFACES}
535			do
536			source /etc/conf.d/net.${iface} \|\| exit 1
537			checkconfig
538
539			if [[ -n ${GATEWAY} ]]
540			then
541			route del -net default
542			fi
543
544			ifconfig "${iface}" down
545
546			# remove bridges
547			if [[ ${iface} = br[0-9]* ]]
548			then
549			config_bridge_devices "${iface}" remove
550			fi
551
552			# shutdown dhcp-daemon
553			if [[ ${NETWORKING} = dhcp ]] && [[ -n $(pidof $(basename ${DHCP_PROG})) ]]
554			then
555			if [[ -z ${DHCP_STOP} ]]
556			then
557			killall -15 ${DHCP_PROG}
558			sleep 1
559			# try harder
560			if [[ -n $(pidof $(basename ${DHCP_PROG})) ]]
561			then
562			killall -9 ${DHCP_PROG}
563			fi
564			else
565			${DHCP_PROG} ${DHCP_STOP} "${iface}"
566			fi
567			fi
568
569			# shutdown wpa_supplicant daemon
570			if [[ -n $(pidof wpa_supplicant) ]]
571			then
572			killall wpa_supplicant
573			fi
574			done
575
576			# remove state dir
577	niro	1665	if [ -d /run/wpa_supplicant ]
578	niro	1378	then
579	niro	1665	rm -rf /run/wpa_supplicant
580	niro	1378	fi
581
582			# delete user routes
583			config_routes del
584			}
585
586			case $1 in
587			start)
588			networking_start $2 ;;
589
590			stop)
591			networking_stop $2 ;;
592
593			restart)
594			$0 stop
595			sleep 1
596			$0 start
597			;;
598
599			*)
600			echo "Usage: $0 {start\|stop\|restart} [interface]"
601			exit 1
602			;;
603			esac