Annotation of /trunk/initscripts/sysvinit/rc/network

#!/bin/bash
# $Header: /home/cvsd/magellan-cvs/magellan-src/magellan-initscripts/etc/rc.d/init.d/network,v 1.14 2007-12-13 12:06:22 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/sysconfig/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_INTERFACE} ]]
	then
		echo "BRIDGE: no \$BRIDGE_INTERFACE 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
		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
		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	2	#!/bin/bash
2	niro	636	# $Header: /home/cvsd/magellan-cvs/magellan-src/magellan-initscripts/etc/rc.d/init.d/network,v 1.14 2007-12-13 12:06:22 niro Exp $
3	niro	2
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/sysconfig/rc
14	niro	20	source ${rc_functions}
15	niro	2
16	niro	243	# 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	niro	636	local WIRELESS_WPA_DRIVER
64	niro	243
65	niro	636	local BRIDGE_INTERFACES
66			local BRIDGE_STP
67
68	niro	243	source ${file}
69			eval value=\$$(echo ${var})
70			echo "${value}"
71			}
72
73			checkconfig()
74			{
75	niro	636	if [[ -z ${NETWORKING} ]]
76	niro	2	then
77			echo "NETWORKING missing in net.${interface}, aborted"
78			exit 1
79			fi
80
81	niro	20	case "${NETWORKING}" in
82	niro	2	static)
83	niro	636	if [[ -z ${IP} ]]
84	niro	2	then
85			echo "IP missing in net.${interface}, aborted"
86			exit 1
87			fi
88
89	niro	636	if [[ -z ${NETMASK} ]]
90	niro	2	then
91			echo -n "NETMASK missing in net.${interface}, "
92			echo "using 255.255.255.0"
93			NETMASK=255.255.255.0
94			fi
95
96	niro	636	if [[ -z ${BROADCAST} ]]
97	niro	2	then
98			echo -n "BROADCAST missing in net.${interface}, "
99			echo "using default address"
100			fi
101			;;
102	niro	20
103	niro	2	dhcp)
104	niro	636	if [[ -z ${DHCP_PROG} ]]
105	niro	2	then
106			echo "DHCP_PROG missing in net.${interface}, aborted"
107			exit 1
108			fi
109			;;
110	niro	20
111	niro	2	esac
112			}
113
114	niro	243	# onboot_interface_list /path/to/files*
115			onboot_interface_list()
116			{
117			local file
118			local devices
119			local iface
120	niro	2
121	niro	243	# get list of all devices
122			for file in $@
123			do
124			if [[ $(read_value ONBOOT ${file}) = yes ]]
125			then
126			iface="$(basename ${file} \| sed s/net.//)"
127	niro	506	# exclude backup files and exclude net.routes too
128	niro	243	case "${iface}" in
129	niro	2	*~) ;;
130	niro	506	*/net.routes) ;;
131	niro	243	*) devices="${devices} $(basename ${file} \| sed s/net.//)" ;;
132			esac
133			fi
134			done
135	niro	181
136	niro	243	echo "${devices}"
137			}
138	niro	181
139	niro	268	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	niro	270	${CURS_UP}
150			${SET_WWCOL}
151			echo "[AUTH: WEP]"
152
153	niro	268	iwconfig "${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	niro	270	${CURS_UP}
176			${SET_WWCOL}
177			echo "[AUTH: WPA]"
178
179	niro	268	# 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			${WIRELESS_WPA_CONFIG}
202			fi
203
204	niro	275	# remove old state dir
205			[ -d /var/run/wpa_supplicant ] && rm -rf /var/run/wpa_supplicant
206
207	niro	268	# now run the wpa_supplicant dameon
208			wpa_supplicant -B \
209			-D"${WIRELESS_WPA_DRIVER}" \
210			-c"${WIRELESS_WPA_CONFIG}" \
211			-i"${iface}" \
212			${WIRELESS_WPA_OPTS}
213	niro	270
214			# echo wait 5 seconds
215			echo " Waiting 5 seconds to retrieve authentification reply ... "
216			sleep 5
217	niro	268	}
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	niro	275	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	niro	270
240	niro	268	[[ -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	niro	506	config_bridge_devices()
255			{
256			local iface="$1"
257			local method="$2"
258	niro	636	local bport
259	niro	506
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_INTERFACE} ]]
281			then
282			echo "BRIDGE: no \$BRIDGE_INTERFACE 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	niro	636	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	niro	506	;;
303	niro	636
304	niro	506	remove)
305	niro	636	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	niro	506	# bring the bridge down
313			brctl delbr ${iface}
314			;;
315			esac
316	niro	636
317	niro	506	# unset the bridge variable to be safe
318	niro	636	unset BRIDGE_INTERFACES
319	niro	506	# 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	niro	243	networking_start()
354			{
355	niro	522	local iface dns routes ALL_INTERFACES
356	niro	243
357	niro	522	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	niro	243	# get list of all devices
373	niro	522	for iface in ${ALL_INTERFACES}
374	niro	243	do
375			# checkconfig
376			source ${network_settings}/net.${iface} \|\| exit 1
377			checkconfig
378
379	niro	270	# 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	niro	506	# setup bridges
388			if [[ ${iface} = br[0-9]* ]]
389			then
390			config_bridge_devices ${iface} add
391			fi
392
393	niro	270	# activate the interface
394			ifconfig "${iface}" up
395
396			# now configure wireless_extensions
397			[ -x /usr/sbin/iwconfig ] && setup_wireless_extensions "${iface}"
398
399	niro	243	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	niro	275	loadproc ${DHCP_PROG} ${DHCP_START} "${iface}"
408	niro	2	;;
409	niro	243	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	niro	2
418	niro	243	# setup def gw
419			if [[ -n ${GATEWAY} ]]
420	niro	2	then
421	niro	245	echo -e ${COLOREDSTAR}"Setting up default gateway for ${COLBLUE}${iface}${COLDEFAULT} ..."
422	niro	243	route add default gateway ${GATEWAY} metric 1 dev ${iface}
423	niro	2	evaluate_retval
424			fi
425
426	niro	245	# setup /etc/resolv.conf
427			if [[ -n ${NAMESERVER} ]]
428			then
429			echo -e ${COLOREDSTAR}"Setting up all nameserver for ${COLBLUE}${iface}${COLDEFAULT} ..."
430
431			# whipe out the old one
432			echo "# Generated by the magellan-initscripts for ${iface}" > /etc/resolv.conf
433			for dns in ${NAMESERVER}
434			do
435			echo "nameserver ${dns}" >> /etc/resolv.conf
436			done
437			fi
438	niro	243	done
439	niro	506
440			# setup user routes
441			config_routes add
442	niro	243	}
443	niro	2
444	niro	243	networking_stop()
445			{
446	niro	522	if [[ -z $1 ]]
447			then
448			ALL_INTERFACES=$(onboot_interface_list ${network_settings}/net.*)
449			else
450			if [[ -e ${network_settings}/net.$1 ]]
451			then
452			ALL_INTERFACES="$1"
453			else
454			${FAILURE}
455			echo "Interface $1 does not exist. Aborting"
456			${NORMAL}
457			exit 1
458			fi
459			fi
460
461	niro	243	# get list of all devices
462	niro	522	for iface in ${ALL_INTERFACES}
463	niro	243	do
464			source ${network_settings}/net.${iface} \|\| exit 1
465			checkconfig
466
467			if [[ -n ${GATEWAY} ]]
468	niro	2	then
469			echo -e ${COLOREDSTAR}"Removing default gateway ..."
470			route del -net default
471			evaluate_retval
472			fi
473
474	niro	243	echo -e ${COLOREDSTAR}"Bringing down interface ${COLBLUE}${iface}${COLDEFAULT} ..."
475			ifconfig ${iface} down
476			evaluate_retval
477	niro	2
478	niro	506	# remove bridges
479			if [[ ${iface} = br[0-9]* ]]
480			then
481			config_bridge_devices ${iface} remove
482			fi
483
484	niro	243	# shutdown dhcp-daemon
485			if [[ ${NETWORKING} = dhcp ]] && [[ -n $(pidof ${DHCP_PROG}) ]]
486			then
487			echo -e ${COLOREDSTAR}"Stopping the dhcp-daemon ..."
488			${CURS_UP}
489			${SET_WWCOL}
490			echo "[$(basename ${DHCP_PROG})]"
491	niro	270	${DHCP_PROG} ${DHCP_STOP} "${iface}"
492	niro	243	evaluate_retval
493			fi
494	niro	268
495			# shutdown wpa_supplicant daemon
496			if [[ -n $(pidof wpa_supplicant) ]]
497			then
498			killall wpa_supplicant
499			fi
500	niro	243	done
501	niro	275
502	niro	270	# remove state dir
503			if [ -d /var/run/wpa_supplicant ]
504			then
505			rm -rf /var/run/wpa_supplicant
506			fi
507	niro	506
508			# delete user routes
509			config_routes del
510	niro	243	}
511	niro	2
512	niro	243	case $1 in
513			start)
514	niro	522	networking_start $2
515	niro	2	update_svcstatus $1
516	niro	243	splash svc_started "$(basename $0)" 0
517			;;
518
519			stop)
520	niro	522	networking_stop $2
521	niro	243	update_svcstatus $1
522	niro	2	splash svc_stopped "$(basename $0)" 0
523			;;
524
525			restart)
526			$0 stop
527			sleep 1
528			$0 start
529			;;
530
531			*)
532	niro	522	echo "Usage: $0 {start\|stop\|restart} [interface]"
533	niro	2	exit 1
534			;;
535			esac