rc.d/init.d/network

#!/bin/bash
# $Header: /home/cvsd/magellan-cvs/magellan-src/magellan-initscripts/etc/rc.d/init.d/network,v 1.19 2008-12-22 22:01:15 niro Exp $

#%rlevels: 0:k 1:k 2:k 3:s 4:s 5:s 6:k
#%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}

		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
	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 "${WIRELESS_AUTH_MODE}" in
		wpa|wpa2) config_wireless_wpa "${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

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

		echo -e ${COLOREDSTAR}"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}
				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	#!/bin/bash
2	# $Header: /home/cvsd/magellan-cvs/magellan-src/magellan-initscripts/etc/rc.d/init.d/network,v 1.19 2008-12-22 22:01:15 niro Exp $
3
4	#%rlevels: 0:k 1:k 2:k 3:s 4:s 5:s 6:k
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	local wpa_proto
199	case ${WIRELESS_AUTH_MODE} in
200	wpa) wpa_proto="WPA" ;;
201	wpa2) wpa_proto="WPA2" ;;
202	esac
203
204	# setup the network entry
205	sed -i -e "s:@WIRELESS_ESSID@:${WIRELESS_ESSID}:g" \
206	-e "s:@WIRELESS_KEY@:${WIRELESS_KEY_ASCII}:g" \
207	-e "s:@WIRELESS_AUTH_MODE@:${wpa_proto}:g" \
208	${WIRELESS_WPA_CONFIG}
209	fi
210
211	# remove old state dir
212	[ -d /var/run/wpa_supplicant ] && rm -rf /var/run/wpa_supplicant
213
214	# now run the wpa_supplicant dameon
215	wpa_supplicant -B \
216	-D"${WIRELESS_WPA_DRIVER}" \
217	-c"${WIRELESS_WPA_CONFIG}" \
218	-i"${iface}" \
219	${WIRELESS_WPA_OPTS}
220
221	# echo wait 5 seconds
222	echo " Waiting 5 seconds to retrieve authentification reply ... "
223	sleep 5
224	}
225
226	setup_wireless_extensions()
227	{
228	local iface="$1"
229
230	if [[ -z ${iface} ]]
231	then
232	echo "WIRELESS_EXTENSIONS: no \$iface given. Aborting setup."
233	return 1
234	fi
235
236	if [[ -n ${WIRELESS_BITRATE} ]] \|\|
237	[[ -n ${WIRELESS_CHANNEL} ]] \|\|
238	[[ -n ${WIRELESS_ESSID} ]] \|\|
239	[[ -n ${WIRELESS_FREQUENCY} ]] \|\|
240	[[ -n ${WIRELESS_MODE} ]] \|\|
241	[[ -n ${WIRELESS_NICK} ]] \|\|
242	[[ -n ${WIRELESS_AUTH_MODE} ]]
243	then
244	echo -e ${COLOREDSTAR}"Setting up wlan-ext for ${COLBLUE}${iface}${COLDEFAULT} ... "
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_devices()
262	{
263	local iface="$1"
264	local method="$2"
265	local bport
266
267	if [[ -z ${iface} ]]
268	then
269	echo "BRIDGE: no \$iface given. Aborting setup."
270	return 1
271	fi
272
273	if [[ -z ${method} ]]
274	then
275	echo "BRIDGE: no \$method given. Aborting setup."
276	return 1
277	fi
278
279	# first check for brctl
280	if [[ -z $(which brctl) ]]
281	then
282	echo "brctl not found! Please install 'net-misc/bridge-utils'."
283	return 1
284	fi
285
286	# check the config
287	if [[ -z ${BRIDGE_INTERFACES} ]]
288	then
289	echo "BRIDGE: no \$BRIDGE_INTERFACES given. Aborting setup."
290	return 1
291	fi
292
293	case ${method} in
294	add)
295	# setup the bridge device
296	brctl addbr ${iface}
297	for bport in ${BRIDGE_INTERFACES}
298	do
299	# enter promiscous mode
300	ifconfig ${bport} 0.0.0.0 promisc
301	# now setup the bridge
302	brctl addif ${iface} ${bport}
303	done
304	# enable spanning-tree protocol
305	case ${BRIDGE_STP} in
306	on\|off) brctl stp ${iface} ${BRIDGE_STP} ;;
307	*) echo "BRIDGE: unkown value \$BRIDGE_STP='$BRIDGE_STP'."; return 1 ;;
308	esac
309	;;
310
311	remove)
312	for bport in ${BRIDGE_INTERFACE}
313	do
314	# bring the interface down
315	ifconfig ${bport} down
316	# remove the interface from the bridge
317	brctl delif ${iface} ${bport}
318	done
319	# bring the bridge down
320	brctl delbr ${iface}
321	;;
322	esac
323
324	# unset the bridge variable to be safe
325	unset BRIDGE_INTERFACES
326	# continue to setup generic networking
327	}
328
329	config_routes()
330	{
331	local method="$1"
332	local message
333
334	# only add and del are allowed
335	case ${method} in
336	add) message="Adding route ${COLBLUE}${route}${COLDEFAULT} ..." ;;
337	del) message="Removing route ${COLBLUE}${route}${COLDEFAULT} ..." ;;
338	*)
339	echo "config_routes: unsupported \$method '${method}'."
340	exit 1
341	;;
342	esac
343
344	# adds/delete user routes
345	if [[ -f /etc/conf.d/net.routes ]]
346	then
347	( cat /etc/conf.d/net.routes; echo ) \| # make sure there is a LF at the end
348	while read route
349	do
350	case "${route}" in
351	\#*\|"") continue ;;
352	esac
353	echo -e ${COLOREDSTAR}"${message}"
354	route ${method} ${route}
355	evaluate_retval
356	done
357	fi
358	}
359
360	networking_start()
361	{
362	local iface dns routes ALL_INTERFACES
363
364	if [[ -z $1 ]]
365	then
366	ALL_INTERFACES=$(onboot_interface_list ${network_settings}/net.*)
367	else
368	if [[ -e ${network_settings}/net.$1 ]]
369	then
370	ALL_INTERFACES="$1"
371	else
372	${FAILURE}
373	echo "Interface $1 does not exist. Aborting"
374	${NORMAL}
375	exit 1
376	fi
377	fi
378
379	# get list of all devices
380	for iface in ${ALL_INTERFACES}
381	do
382	# checkconfig
383	source ${network_settings}/net.${iface} \|\| exit 1
384	checkconfig
385
386	# setup mac
387	if [ -n "${FORCE_MAC_TO}" ]
388	then
389	echo -e ${COLOREDSTAR}"Faking MAC to ${FORCE_MAC_TO} for ${COLBLUE}${iface}${COLDEFAULT} ... "
390	ifconfig "${iface}" hw ether "${FORCE_MAC_TO}"
391	evaluate_retval
392	fi
393
394	# setup bridges
395	if [[ ${iface} = br[0-9]* ]]
396	then
397	config_bridge_devices ${iface} add
398	fi
399
400	# now configure wireless_extensions
401	[ -x /usr/sbin/iwconfig ] && setup_wireless_extensions "${iface}"
402
403	echo -e ${COLOREDSTAR}"Bringing up interface ${COLBLUE}${iface}${COLDEFAULT} ..."
404
405	# activate the interface
406	ifconfig "${iface}" up
407
408	# setup static or dhcp
409	case ${NETWORKING} in
410	dhcp\|DHCP)
411	${CURS_UP}
412	${SET_WWCOL}
413	echo "[DHCP]"
414	loadproc ${DHCP_PROG} ${DHCP_START} "${iface}"
415	;;
416	static\|STATIC)
417	${CURS_UP}
418	${SET_WWCOL}
419	echo "[STATIC]"
420	ifconfig "${iface}" "${IP}" netmask "${NETMASK}" broadcast "${BROADCAST}"
421	evaluate_retval
422	;;
423	esac
424
425	# setup def gw
426	if [[ -n ${GATEWAY} ]]
427	then
428	echo -e ${COLOREDSTAR}"Setting up default gateway for ${COLBLUE}${iface}${COLDEFAULT} ..."
429	route add default gateway ${GATEWAY} metric 1 dev ${iface}
430	evaluate_retval
431
432	unset GATEWAY
433	fi
434
435	# setup /etc/resolv.conf
436	if [[ -n ${NAMESERVER} ]]
437	then
438	echo -e ${COLOREDSTAR}"Setting up all nameserver for ${COLBLUE}${iface}${COLDEFAULT} ..."
439
440	# whipe out the old one
441	echo "# Generated by the magellan-initscripts for ${iface}" > /etc/resolv.conf
442	for dns in ${NAMESERVER}
443	do
444	echo "nameserver ${dns}" >> /etc/resolv.conf
445	done
446
447	unset NAMESERVER
448	fi
449	done
450
451	# setup user routes
452	config_routes add
453	}
454
455	networking_stop()
456	{
457	if [[ -z $1 ]]
458	then
459	ALL_INTERFACES=$(onboot_interface_list ${network_settings}/net.*)
460	else
461	if [[ -e ${network_settings}/net.$1 ]]
462	then
463	ALL_INTERFACES="$1"
464	else
465	${FAILURE}
466	echo "Interface $1 does not exist. Aborting"
467	${NORMAL}
468	exit 1
469	fi
470	fi
471
472	# get list of all devices
473	for iface in ${ALL_INTERFACES}
474	do
475	source ${network_settings}/net.${iface} \|\| exit 1
476	checkconfig
477
478	if [[ -n ${GATEWAY} ]]
479	then
480	echo -e ${COLOREDSTAR}"Removing default gateway ..."
481	route del -net default
482	evaluate_retval
483	fi
484
485	echo -e ${COLOREDSTAR}"Bringing down interface ${COLBLUE}${iface}${COLDEFAULT} ..."
486	ifconfig ${iface} down
487	evaluate_retval
488
489	# remove bridges
490	if [[ ${iface} = br[0-9]* ]]
491	then
492	config_bridge_devices ${iface} remove
493	fi
494
495	# shutdown dhcp-daemon
496	if [[ ${NETWORKING} = dhcp ]] && [[ -n $(pidof ${DHCP_PROG}) ]]
497	then
498	echo -e ${COLOREDSTAR}"Stopping the dhcp-daemon ..."
499	${CURS_UP}
500	${SET_WWCOL}
501	echo "[$(basename ${DHCP_PROG})]"
502	${DHCP_PROG} ${DHCP_STOP} "${iface}"
503	evaluate_retval
504	fi
505
506	# shutdown wpa_supplicant daemon
507	if [[ -n $(pidof wpa_supplicant) ]]
508	then
509	killall wpa_supplicant
510	fi
511	done
512
513	# remove state dir
514	if [ -d /var/run/wpa_supplicant ]
515	then
516	rm -rf /var/run/wpa_supplicant
517	fi
518
519	# delete user routes
520	config_routes del
521	}
522
523	case $1 in
524	start)
525	networking_start $2
526	update_svcstatus $1
527	splash svc_started "$(basename $0)" 0
528	;;
529
530	stop)
531	networking_stop $2
532	update_svcstatus $1
533	splash svc_stopped "$(basename $0)" 0
534	;;
535
536	restart)
537	$0 stop
538	sleep 1
539	$0 start
540	;;
541
542	*)
543	echo "Usage: $0 {start\|stop\|restart} [interface]"
544	exit 1
545	;;
546	esac