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

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

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

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

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

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

	dhcp)
		if [[ -z ${DHCP_PROG} ]]
		then
			echo "DHCP_PROG missing in net.${interface}, aborted"
			exit 1
		fi
		;;

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

	${CURS_UP}
	${SET_WWCOL}
	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
		echo "WPA: no \$iface given. Aborting setup."
		return 1
	fi

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

	${CURS_UP}
	${SET_WWCOL}
	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
	if [[ -z ${WIRELESS_WPA_DRIVER} ]]
	then
		echo "WPA: WIRELESS_WPA_DRIVER given. Aborting setup."
		return 1
	fi

	# 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}

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

	if [[ -n ${WIRELESS_BITRATE} ]] ||
		[[ -n ${WIRELESS_CHANNEL} ]] ||
		[[ -n ${WIRELESS_ESSID} ]] ||
		[[ -n ${WIRELESS_FREQUENCY} ]] ||
		[[ -n ${WIRELESS_MODE} ]] ||
		[[ -n ${WIRELESS_NICK} ]] ||
		[[ -n ${WIRELESS_AUTH_MODE} ]]
	then
		echo -e ${COLOREDSTAR}"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 "${WIRELESS_AUTH_MODE}" in
		wpa)	config_wireless_wpa "${iface}" ;;
		wep|on)	config_wireless_wep "${iface}" ;;
		off)	iwconfig "${iface}" enc off ;;
	esac
}

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 $(which 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
			# 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
			;;

		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}${COLDEFAULT} ..." ;;
		*)
			echo "config_routes: unsupported \$method '${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
			echo -e ${COLOREDSTAR}"${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 ${network_settings}/net.*)
	else
		if [[ -e ${network_settings}/net.$1 ]]
		then
			ALL_INTERFACES="$1"
		else
			${FAILURE}
			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 ${network_settings}/net.${iface} || exit 1
		checkconfig

		# setup mac
		if [ -n "${FORCE_MAC_TO}" ]
		then
			echo -e ${COLOREDSTAR}"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

		# activate the interface
		ifconfig "${iface}" up
	
		# now configure wireless_extensions
		[ -x /usr/sbin/iwconfig ] && setup_wireless_extensions "${iface}"

		echo -e ${COLOREDSTAR}"Bringing up interface ${COLBLUE}${iface}${COLDEFAULT} ..."

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

		# setup def gw
		if [[ -n ${GATEWAY} ]]
		then
			echo -e ${COLOREDSTAR}"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
		if [[ -n ${NAMESERVER} ]]
		then
			echo -e ${COLOREDSTAR}"Setting up all nameserver for ${COLBLUE}${iface}${COLDEFAULT} ..."
			
			# whipe out the old one
			echo "# Generated by the magellan-initscripts for ${iface}" > /etc/resolv.conf
			for dns in ${NAMESERVER}
			do
				echo "nameserver ${dns}" >> /etc/resolv.conf
			done

			unset NAMESERVER
		fi
	done

	# setup user routes
	config_routes add
}

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

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

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

		echo -e ${COLOREDSTAR}"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
			echo -e ${COLOREDSTAR}"Stopping the dhcp-daemon ..."
			${CURS_UP}
			${SET_WWCOL}
			echo "[$(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
		;;

	*)
		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
68			source ${file}
69			eval value=\$$(echo ${var})
70			echo "${value}"
71			}
72
73			checkconfig()
74			{
75			if [[ -z ${NETWORKING} ]]
76			then
77			echo "NETWORKING missing in net.${interface}, aborted"
78			exit 1
79			fi
80
81			case "${NETWORKING}" in
82			static)
83			if [[ -z ${IP} ]]
84			then
85			echo "IP missing in net.${interface}, aborted"
86			exit 1
87			fi
88
89			if [[ -z ${NETMASK} ]]
90			then
91			echo -n "NETMASK missing in net.${interface}, "
92			echo "using 255.255.255.0"
93			NETMASK=255.255.255.0
94			fi
95
96			if [[ -z ${BROADCAST} ]]
97			then
98			echo -n "BROADCAST missing in net.${interface}, "
99			echo "using default address"
100			fi
101			;;
102
103			dhcp)
104			if [[ -z ${DHCP_PROG} ]]
105			then
106			echo "DHCP_PROG missing in net.${interface}, aborted"
107			exit 1
108			fi
109			;;
110
111			esac
112			}
113
114			# onboot_interface_list /path/to/files*
115			onboot_interface_list()
116			{
117			local file
118			local devices
119			local iface
120
121			# get list of all devices
122			for file in $@
123			do
124			if [[ $(read_value ONBOOT ${file}) = yes ]]
125			then
126			iface="$(basename ${file} \| sed s/net.//)"
127			# exclude backup files and exclude net.routes too
128			case "${iface}" in
129			*~) ;;
130			*/net.routes) ;;
131			*) devices="${devices} $(basename ${file} \| sed s/net.//)" ;;
132			esac
133			fi
134			done
135
136			echo "${devices}"
137			}
138
139			config_wireless_wep()
140			{
141			local iface="$1"
142
143			if [[ -z ${iface} ]]
144			then
145			echo "WEP: no \$iface given. Aborting setup."
146			return 1
147			fi
148
149			${CURS_UP}
150			${SET_WWCOL}
151			echo "[AUTH: WEP]"
152
153			iwconfig "${iface}" enc on
154			[[ -n ${WIRELESS_KEY_LENGTH} ]] && iwconfig "${iface}" enc "${WIRELESS_KEY_LENGTH}"
155			[[ -n ${WIRELESS_KEY} ]] && iwconfig "${iface}" key "${WIRELESS_KEY}"
156			[[ -n ${WIRELESS_KEY_ASCII} ]] && iwconfig "${iface}" key s:"${WIRELESS_KEY_ASCII}"
157			}
158
159			config_wireless_wpa()
160			{
161			local iface="$1"
162
163			if [[ -z ${iface} ]]
164			then
165			echo "WPA: no \$iface given. Aborting setup."
166			return 1
167			fi
168
169			if [ ! -x /sbin/wpa_supplicant ]
170			then
171			echo "WPA: wpa_supplicant not installed. Aborting setup."
172			return 1
173			fi
174
175			${CURS_UP}
176			${SET_WWCOL}
177			echo "[AUTH: WPA]"
178
179			# get default settings
180			[[ -f /etc/conf.d/wpa_supplicant ]] && source /etc/conf.d/wpa_supplicant
181
182			# check the configuration
183			[[ -z ${WIRELESS_WPA_CONFIG} ]] && WIRELESS_WPA_CONFIG=/etc/wpa_supplicant.auto
184			[[ -z ${WIRELESS_WPA_SKEL} ]] && WIRELESS_WPA_SKEL=/etc/conf.d/wpa_supplicant.skel
185			if [[ -z ${WIRELESS_WPA_DRIVER} ]]
186			then
187			echo "WPA: WIRELESS_WPA_DRIVER given. Aborting setup."
188			return 1
189			fi
190
191			# write a config with the settings from net.${iface}
192			# only wpa-psk ! all other needs manual setup
193			if [[ ${WIRELESS_WPA_AUTOCONF} = true ]]
194			then
195			# write default cfg from skeleton
196			cat ${WIRELESS_WPA_SKEL} > ${WIRELESS_WPA_CONFIG}
197
198			# setup the network entry
199			sed -i -e "s:@WIRELESS_ESSID@:${WIRELESS_ESSID}:g" \
200			-e "s:@WIRELESS_KEY@:${WIRELESS_KEY}:g" \
201			${WIRELESS_WPA_CONFIG}
202			fi
203
204			# remove old state dir
205			[ -d /var/run/wpa_supplicant ] && rm -rf /var/run/wpa_supplicant
206
207			# now run the wpa_supplicant dameon
208			wpa_supplicant -B \
209			-D"${WIRELESS_WPA_DRIVER}" \
210			-c"${WIRELESS_WPA_CONFIG}" \
211			-i"${iface}" \
212			${WIRELESS_WPA_OPTS}
213
214			# echo wait 5 seconds
215			echo " Waiting 5 seconds to retrieve authentification reply ... "
216			sleep 5
217			}
218
219			setup_wireless_extensions()
220			{
221			local iface="$1"
222
223			if [[ -z ${iface} ]]
224			then
225			echo "WIRELESS_EXTENSIONS: no \$iface given. Aborting setup."
226			return 1
227			fi
228
229			if [[ -n ${WIRELESS_BITRATE} ]] \|\|
230			[[ -n ${WIRELESS_CHANNEL} ]] \|\|
231			[[ -n ${WIRELESS_ESSID} ]] \|\|
232			[[ -n ${WIRELESS_FREQUENCY} ]] \|\|
233			[[ -n ${WIRELESS_MODE} ]] \|\|
234			[[ -n ${WIRELESS_NICK} ]] \|\|
235			[[ -n ${WIRELESS_AUTH_MODE} ]]
236			then
237			echo -e ${COLOREDSTAR}"Setting up wlan-ext for ${COLBLUE}${iface}${COLDEFAULT} ... "
238			fi
239
240			[[ -n ${WIRELESS_BITRATE} ]] && iwconfig "${iface}" rate "${WIRELESS_BITRATE}"
241			[[ -n ${WIRELESS_CHANNEL} ]] && iwconfig "${iface}" channel "${WIRELESS_CHANNEL}"
242			[[ -n ${WIRELESS_ESSID} ]] && iwconfig "${iface}" essid "${WIRELESS_ESSID}"
243			[[ -n ${WIRELESS_FREQUENCY} ]] && iwconfig "${iface}" freq "${WIRELESS_FREQUENCY}"
244			[[ -n ${WIRELESS_MODE} ]] && iwconfig "${iface}" mode "${WIRELESS_MODE}"
245			[[ -n ${WIRELESS_NICK} ]] && iwconfig "${iface}" nick "${WIRELESS_NICK}"
246
247			case "${WIRELESS_AUTH_MODE}" in
248			wpa) config_wireless_wpa "${iface}" ;;
249			wep\|on) config_wireless_wep "${iface}" ;;
250			off) iwconfig "${iface}" enc off ;;
251			esac
252			}
253
254			config_bridge_devices()
255			{
256			local iface="$1"
257			local method="$2"
258			local bport
259
260			if [[ -z ${iface} ]]
261			then
262			echo "BRIDGE: no \$iface given. Aborting setup."
263			return 1
264			fi
265
266			if [[ -z ${method} ]]
267			then
268			echo "BRIDGE: no \$method given. Aborting setup."
269			return 1
270			fi
271
272			# first check for brctl
273			if [[ -z $(which brctl) ]]
274			then
275			echo "brctl not found! Please install 'net-misc/bridge-utils'."
276			return 1
277			fi
278
279			# check the config
280			if [[ -z ${BRIDGE_INTERFACES} ]]
281			then
282			echo "BRIDGE: no \$BRIDGE_INTERFACES given. Aborting setup."
283			return 1
284			fi
285
286			case ${method} in
287			add)
288			# setup the bridge device
289			brctl addbr ${iface}
290			for bport in ${BRIDGE_INTERFACES}
291			do
292			# enter promiscous mode
293			ifconfig ${bport} 0.0.0.0 promisc
294			# now setup the bridge
295			brctl addif ${iface} ${bport}
296			done
297			# enable spanning-tree protocol
298			case ${BRIDGE_STP} in
299			on\|off) brctl stp ${iface} ${BRIDGE_STP} ;;
300			*) echo "BRIDGE: unkown value \$BRIDGE_STP='$BRIDGE_STP'."; return 1 ;;
301			esac
302			;;
303
304			remove)
305			for bport in ${BRIDGE_INTERFACE}
306			do
307			# bring the interface down
308			ifconfig ${bport} down
309			# remove the interface from the bridge
310			brctl delif ${iface} ${bport}
311			done
312			# bring the bridge down
313			brctl delbr ${iface}
314			;;
315			esac
316
317			# unset the bridge variable to be safe
318			unset BRIDGE_INTERFACES
319			# continue to setup generic networking
320			}
321
322			config_routes()
323			{
324			local method="$1"
325			local message
326
327			# only add and del are allowed
328			case ${method} in
329			add) message="Adding route ${COLBLUE}${route}${COLDEFAULT} ..." ;;
330			del) message="Removing route ${COLBLUE}${route}${COLDEFAULT} ..." ;;
331			*)
332			echo "config_routes: unsupported \$method '${method}'."
333			exit 1
334			;;
335			esac
336
337			# adds/delete user routes
338			if [[ -f /etc/conf.d/net.routes ]]
339			then
340			( cat /etc/conf.d/net.routes; echo ) \| # make sure there is a LF at the end
341			while read route
342			do
343			case "${route}" in
344			\#*\|"") continue ;;
345			esac
346			echo -e ${COLOREDSTAR}"${message}"
347			route ${method} ${route}
348			evaluate_retval
349			done
350			fi
351			}
352
353			networking_start()
354			{
355			local iface dns routes ALL_INTERFACES
356
357			if [[ -z $1 ]]
358			then
359			ALL_INTERFACES=$(onboot_interface_list ${network_settings}/net.*)
360			else
361			if [[ -e ${network_settings}/net.$1 ]]
362			then
363			ALL_INTERFACES="$1"
364			else
365			${FAILURE}
366			echo "Interface $1 does not exist. Aborting"
367			${NORMAL}
368			exit 1
369			fi
370			fi
371
372			# get list of all devices
373			for iface in ${ALL_INTERFACES}
374			do
375			# checkconfig
376			source ${network_settings}/net.${iface} \|\| exit 1
377			checkconfig
378
379			# setup mac
380			if [ -n "${FORCE_MAC_TO}" ]
381			then
382			echo -e ${COLOREDSTAR}"Faking MAC to ${FORCE_MAC_TO} for ${COLBLUE}${iface}${COLDEFAULT} ... "
383			ifconfig "${iface}" hw ether "${FORCE_MAC_TO}"
384			evaluate_retval
385			fi
386
387			# setup bridges
388			if [[ ${iface} = br[0-9]* ]]
389			then
390			config_bridge_devices ${iface} add
391			fi
392
393			# activate the interface
394			ifconfig "${iface}" up
395
396			# now configure wireless_extensions
397			[ -x /usr/sbin/iwconfig ] && setup_wireless_extensions "${iface}"
398
399			echo -e ${COLOREDSTAR}"Bringing up interface ${COLBLUE}${iface}${COLDEFAULT} ..."
400
401			# setup static or dhcp
402			case ${NETWORKING} in
403			dhcp\|DHCP)
404			${CURS_UP}
405			${SET_WWCOL}
406			echo "[DHCP]"
407			loadproc ${DHCP_PROG} ${DHCP_START} "${iface}"
408			;;
409			static\|STATIC)
410			${CURS_UP}
411			${SET_WWCOL}
412			echo "[STATIC]"
413			ifconfig "${iface}" "${IP}" netmask "${NETMASK}" broadcast "${BROADCAST}"
414			evaluate_retval
415			;;
416			esac
417
418			# setup def gw
419			if [[ -n ${GATEWAY} ]]
420			then
421			echo -e ${COLOREDSTAR}"Setting up default gateway for ${COLBLUE}${iface}${COLDEFAULT} ..."
422			route add default gateway ${GATEWAY} metric 1 dev ${iface}
423			evaluate_retval
424
425			unset GATEWAY
426			fi
427
428			# setup /etc/resolv.conf
429			if [[ -n ${NAMESERVER} ]]
430			then
431			echo -e ${COLOREDSTAR}"Setting up all nameserver for ${COLBLUE}${iface}${COLDEFAULT} ..."
432
433			# whipe out the old one
434			echo "# Generated by the magellan-initscripts for ${iface}" > /etc/resolv.conf
435			for dns in ${NAMESERVER}
436			do
437			echo "nameserver ${dns}" >> /etc/resolv.conf
438			done
439
440			unset NAMESERVER
441			fi
442			done
443
444			# setup user routes
445			config_routes add
446			}
447
448			networking_stop()
449			{
450			if [[ -z $1 ]]
451			then
452			ALL_INTERFACES=$(onboot_interface_list ${network_settings}/net.*)
453			else
454			if [[ -e ${network_settings}/net.$1 ]]
455			then
456			ALL_INTERFACES="$1"
457			else
458			${FAILURE}
459			echo "Interface $1 does not exist. Aborting"
460			${NORMAL}
461			exit 1
462			fi
463			fi
464
465			# get list of all devices
466			for iface in ${ALL_INTERFACES}
467			do
468			source ${network_settings}/net.${iface} \|\| exit 1
469			checkconfig
470
471			if [[ -n ${GATEWAY} ]]
472			then
473			echo -e ${COLOREDSTAR}"Removing default gateway ..."
474			route del -net default
475			evaluate_retval
476			fi
477
478			echo -e ${COLOREDSTAR}"Bringing down interface ${COLBLUE}${iface}${COLDEFAULT} ..."
479			ifconfig ${iface} down
480			evaluate_retval
481
482			# remove bridges
483			if [[ ${iface} = br[0-9]* ]]
484			then
485			config_bridge_devices ${iface} remove
486			fi
487
488			# shutdown dhcp-daemon
489			if [[ ${NETWORKING} = dhcp ]] && [[ -n $(pidof ${DHCP_PROG}) ]]
490			then
491			echo -e ${COLOREDSTAR}"Stopping the dhcp-daemon ..."
492			${CURS_UP}
493			${SET_WWCOL}
494			echo "[$(basename ${DHCP_PROG})]"
495			${DHCP_PROG} ${DHCP_STOP} "${iface}"
496			evaluate_retval
497			fi
498
499			# shutdown wpa_supplicant daemon
500			if [[ -n $(pidof wpa_supplicant) ]]
501			then
502			killall wpa_supplicant
503			fi
504			done
505
506			# remove state dir
507			if [ -d /var/run/wpa_supplicant ]
508			then
509			rm -rf /var/run/wpa_supplicant
510			fi
511
512			# delete user routes
513			config_routes del
514			}
515
516			case $1 in
517			start)
518			networking_start $2
519			update_svcstatus $1
520			splash svc_started "$(basename $0)" 0
521			;;
522
523			stop)
524			networking_stop $2
525			update_svcstatus $1
526			splash svc_stopped "$(basename $0)" 0
527			;;
528
529			restart)
530			$0 stop
531			sleep 1
532			$0 start
533			;;
534
535			*)
536			echo "Usage: $0 {start\|stop\|restart} [interface]"
537			exit 1
538			;;
539			esac