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

	# 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
	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
186	# use wext as default driver, do not abort here anymore
187	[[ -z ${WIRELESS_WPA_DRIVER} ]] && WIRELESS_WPA_DRIVER=wext
188
189	# write a config with the settings from net.${iface}
190	# only wpa-psk ! all other needs manual setup
191	if [[ ${WIRELESS_WPA_AUTOCONF} = true ]]
192	then
193	# write default cfg from skeleton
194	cat ${WIRELESS_WPA_SKEL} > ${WIRELESS_WPA_CONFIG}
195
196	local wpa_proto
197	case ${WIRELESS_AUTH_MODE} in
198	wpa) wpa_proto="WPA" ;;
199	wpa2) wpa_proto="WPA2" ;;
200	esac
201
202	# setup the network entry
203	sed -i -e "s:@WIRELESS_ESSID@:${WIRELESS_ESSID}:g" \
204	-e "s:@WIRELESS_KEY@:${WIRELESS_KEY_ASCII}:g" \
205	-e "s:@WIRELESS_AUTH_MODE@:${wpa_proto}:g" \
206	${WIRELESS_WPA_CONFIG}
207	fi
208
209	# remove old state dir
210	[ -d /var/run/wpa_supplicant ] && rm -rf /var/run/wpa_supplicant
211
212	# now run the wpa_supplicant dameon
213	wpa_supplicant -B \
214	-D"${WIRELESS_WPA_DRIVER}" \
215	-c"${WIRELESS_WPA_CONFIG}" \
216	-i"${iface}" \
217	${WIRELESS_WPA_OPTS}
218
219	# echo wait 5 seconds
220	echo " Waiting 5 seconds to retrieve authentification reply ... "
221	sleep 5
222	}
223
224	setup_wireless_extensions()
225	{
226	local iface="$1"
227
228	if [[ -z ${iface} ]]
229	then
230	echo "WIRELESS_EXTENSIONS: no \$iface given. Aborting setup."
231	return 1
232	fi
233
234	if [[ -n ${WIRELESS_BITRATE} ]] \|\|
235	[[ -n ${WIRELESS_CHANNEL} ]] \|\|
236	[[ -n ${WIRELESS_ESSID} ]] \|\|
237	[[ -n ${WIRELESS_FREQUENCY} ]] \|\|
238	[[ -n ${WIRELESS_MODE} ]] \|\|
239	[[ -n ${WIRELESS_NICK} ]] \|\|
240	[[ -n ${WIRELESS_AUTH_MODE} ]]
241	then
242	echo -e ${COLOREDSTAR}"Setting up wlan-ext for ${COLBLUE}${iface}${COLDEFAULT} ... "
243	fi
244
245	[[ -n ${WIRELESS_BITRATE} ]] && iwconfig "${iface}" rate "${WIRELESS_BITRATE}"
246	[[ -n ${WIRELESS_CHANNEL} ]] && iwconfig "${iface}" channel "${WIRELESS_CHANNEL}"
247	[[ -n ${WIRELESS_ESSID} ]] && iwconfig "${iface}" essid "${WIRELESS_ESSID}"
248	[[ -n ${WIRELESS_FREQUENCY} ]] && iwconfig "${iface}" freq "${WIRELESS_FREQUENCY}"
249	[[ -n ${WIRELESS_MODE} ]] && iwconfig "${iface}" mode "${WIRELESS_MODE}"
250	[[ -n ${WIRELESS_NICK} ]] && iwconfig "${iface}" nick "${WIRELESS_NICK}"
251
252	case "${WIRELESS_AUTH_MODE}" in
253	wpa\|wpa2) config_wireless_wpa "${iface}" ;;
254	wep\|on) config_wireless_wep "${iface}" ;;
255	off) iwconfig "${iface}" enc off ;;
256	esac
257	}
258
259	config_bridge_devices()
260	{
261	local iface="$1"
262	local method="$2"
263	local bport
264
265	if [[ -z ${iface} ]]
266	then
267	echo "BRIDGE: no \$iface given. Aborting setup."
268	return 1
269	fi
270
271	if [[ -z ${method} ]]
272	then
273	echo "BRIDGE: no \$method given. Aborting setup."
274	return 1
275	fi
276
277	# first check for brctl
278	if [[ -z $(which brctl) ]]
279	then
280	echo "brctl not found! Please install 'net-misc/bridge-utils'."
281	return 1
282	fi
283
284	# check the config
285	if [[ -z ${BRIDGE_INTERFACES} ]]
286	then
287	echo "BRIDGE: no \$BRIDGE_INTERFACES given. Aborting setup."
288	return 1
289	fi
290
291	case ${method} in
292	add)
293	# setup the bridge device
294	brctl addbr ${iface}
295	for bport in ${BRIDGE_INTERFACES}
296	do
297	# enter promiscous mode
298	ifconfig ${bport} 0.0.0.0 promisc
299	# now setup the bridge
300	brctl addif ${iface} ${bport}
301	done
302	# enable spanning-tree protocol
303	case ${BRIDGE_STP} in
304	on\|off) brctl stp ${iface} ${BRIDGE_STP} ;;
305	*) echo "BRIDGE: unkown value \$BRIDGE_STP='$BRIDGE_STP'."; return 1 ;;
306	esac
307	;;
308
309	remove)
310	for bport in ${BRIDGE_INTERFACE}
311	do
312	# bring the interface down
313	ifconfig ${bport} down
314	# remove the interface from the bridge
315	brctl delif ${iface} ${bport}
316	done
317	# bring the bridge down
318	brctl delbr ${iface}
319	;;
320	esac
321
322	# unset the bridge variable to be safe
323	unset BRIDGE_INTERFACES
324	# continue to setup generic networking
325	}
326
327	config_routes()
328	{
329	local method="$1"
330	local message
331
332	# only add and del are allowed
333	case ${method} in
334	add) message="Adding route ${COLBLUE}${route}${COLDEFAULT} ..." ;;
335	del) message="Removing route ${COLBLUE}${route}${COLDEFAULT} ..." ;;
336	*)
337	echo "config_routes: unsupported \$method '${method}'."
338	exit 1
339	;;
340	esac
341
342	# adds/delete user routes
343	if [[ -f /etc/conf.d/net.routes ]]
344	then
345	( cat /etc/conf.d/net.routes; echo ) \| # make sure there is a LF at the end
346	while read route
347	do
348	case "${route}" in
349	\#*\|"") continue ;;
350	esac
351	echo -e ${COLOREDSTAR}"${message}"
352	route ${method} ${route}
353	evaluate_retval
354	done
355	fi
356	}
357
358	networking_start()
359	{
360	local iface dns routes ALL_INTERFACES
361
362	if [[ -z $1 ]]
363	then
364	ALL_INTERFACES=$(onboot_interface_list ${network_settings}/net.*)
365	else
366	if [[ -e ${network_settings}/net.$1 ]]
367	then
368	ALL_INTERFACES="$1"
369	else
370	${FAILURE}
371	echo "Interface $1 does not exist. Aborting"
372	${NORMAL}
373	exit 1
374	fi
375	fi
376
377	# get list of all devices
378	for iface in ${ALL_INTERFACES}
379	do
380	# checkconfig
381	source ${network_settings}/net.${iface} \|\| exit 1
382	checkconfig
383
384	# setup mac
385	if [ -n "${FORCE_MAC_TO}" ]
386	then
387	echo -e ${COLOREDSTAR}"Faking MAC to ${FORCE_MAC_TO} for ${COLBLUE}${iface}${COLDEFAULT} ... "
388	ifconfig "${iface}" hw ether "${FORCE_MAC_TO}"
389	evaluate_retval
390	fi
391
392	# setup bridges
393	if [[ ${iface} = br[0-9]* ]]
394	then
395	config_bridge_devices ${iface} add
396	fi
397
398	# now configure wireless_extensions
399	[ -x /usr/sbin/iwconfig ] && setup_wireless_extensions "${iface}"
400
401	echo -e ${COLOREDSTAR}"Bringing up interface ${COLBLUE}${iface}${COLDEFAULT} ..."
402
403	# activate the interface
404	ifconfig "${iface}" up
405
406	# setup static or dhcp
407	case ${NETWORKING} in
408	dhcp\|DHCP)
409	${CURS_UP}
410	${SET_WWCOL}
411	echo "[DHCP]"
412	loadproc ${DHCP_PROG} ${DHCP_START} "${iface}"
413	;;
414	static\|STATIC)
415	${CURS_UP}
416	${SET_WWCOL}
417	echo "[STATIC]"
418	ifconfig "${iface}" "${IP}" netmask "${NETMASK}" broadcast "${BROADCAST}"
419	evaluate_retval
420	;;
421	esac
422
423	# setup def gw
424	if [[ -n ${GATEWAY} ]]
425	then
426	echo -e ${COLOREDSTAR}"Setting up default gateway for ${COLBLUE}${iface}${COLDEFAULT} ..."
427	route add default gateway ${GATEWAY} metric 1 dev ${iface}
428	evaluate_retval
429
430	unset GATEWAY
431	fi
432
433	# setup /etc/resolv.conf
434	if [[ -n ${NAMESERVER} ]]
435	then
436	echo -e ${COLOREDSTAR}"Setting up all nameserver for ${COLBLUE}${iface}${COLDEFAULT} ..."
437
438	# whipe out the old one
439	echo "# Generated by the magellan-initscripts for ${iface}" > /etc/resolv.conf
440	for dns in ${NAMESERVER}
441	do
442	echo "nameserver ${dns}" >> /etc/resolv.conf
443	done
444
445	unset NAMESERVER
446	fi
447	done
448
449	# setup user routes
450	config_routes add
451	}
452
453	networking_stop()
454	{
455	if [[ -z $1 ]]
456	then
457	ALL_INTERFACES=$(onboot_interface_list ${network_settings}/net.*)
458	else
459	if [[ -e ${network_settings}/net.$1 ]]
460	then
461	ALL_INTERFACES="$1"
462	else
463	${FAILURE}
464	echo "Interface $1 does not exist. Aborting"
465	${NORMAL}
466	exit 1
467	fi
468	fi
469
470	# get list of all devices
471	for iface in ${ALL_INTERFACES}
472	do
473	source ${network_settings}/net.${iface} \|\| exit 1
474	checkconfig
475
476	if [[ -n ${GATEWAY} ]]
477	then
478	echo -e ${COLOREDSTAR}"Removing default gateway ..."
479	route del -net default
480	evaluate_retval
481	fi
482
483	echo -e ${COLOREDSTAR}"Bringing down interface ${COLBLUE}${iface}${COLDEFAULT} ..."
484	ifconfig ${iface} down
485	evaluate_retval
486
487	# remove bridges
488	if [[ ${iface} = br[0-9]* ]]
489	then
490	config_bridge_devices ${iface} remove
491	fi
492
493	# shutdown dhcp-daemon
494	if [[ ${NETWORKING} = dhcp ]] && [[ -n $(pidof ${DHCP_PROG}) ]]
495	then
496	echo -e ${COLOREDSTAR}"Stopping the dhcp-daemon ..."
497	${CURS_UP}
498	${SET_WWCOL}
499	echo "[$(basename ${DHCP_PROG})]"
500	${DHCP_PROG} ${DHCP_STOP} "${iface}"
501	evaluate_retval
502	fi
503
504	# shutdown wpa_supplicant daemon
505	if [[ -n $(pidof wpa_supplicant) ]]
506	then
507	killall wpa_supplicant
508	fi
509	done
510
511	# remove state dir
512	if [ -d /var/run/wpa_supplicant ]
513	then
514	rm -rf /var/run/wpa_supplicant
515	fi
516
517	# delete user routes
518	config_routes del
519	}
520
521	case $1 in
522	start)
523	networking_start $2
524	update_svcstatus $1
525	splash svc_started "$(basename $0)" 0
526	;;
527
528	stop)
529	networking_stop $2
530	update_svcstatus $1
531	splash svc_stopped "$(basename $0)" 0
532	;;
533
534	restart)
535	$0 stop
536	sleep 1
537	$0 start
538	;;
539
540	*)
541	echo "Usage: $0 {start\|stop\|restart} [interface]"
542	exit 1
543	;;
544	esac