rc.d/init.d/network

#!/bin/bash
# $Id$

#%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 ${DHCP_PROG} ]]
		then
			echo -n "DHCP_PROG missing in net.${interface},"
			echo "using default programm"
			DHCP_PROG="/sbin/dhcpcd"
		fi
		[[ -z ${DHCP_START} ]] && DHCP_START="-t 10"
		[[ -z ${DHCP_STOP} ]] && DHCP_STOP="-k"
		;;

	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	# $Id$
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 ${DHCP_PROG} ]]
105	then
106	echo -n "DHCP_PROG missing in net.${interface},"
107	echo "using default programm"
108	DHCP_PROG="/sbin/dhcpcd"
109	fi
110	[[ -z ${DHCP_START} ]] && DHCP_START="-t 10"
111	[[ -z ${DHCP_STOP} ]] && DHCP_STOP="-k"
112	;;
113
114	esac
115	}
116
117	# onboot_interface_list /path/to/files*
118	onboot_interface_list()
119	{
120	local file
121	local devices
122	local iface
123
124	# get list of all devices
125	for file in $@
126	do
127	if [[ $(read_value ONBOOT ${file}) = yes ]]
128	then
129	iface="$(basename ${file} \| sed s/net.//)"
130	# exclude backup files and exclude net.routes too
131	case "${iface}" in
132	*~) ;;
133	*/net.routes) ;;
134	*) devices="${devices} $(basename ${file} \| sed s/net.//)" ;;
135	esac
136	fi
137	done
138
139	echo "${devices}"
140	}
141
142	config_wireless_wep()
143	{
144	local iface="$1"
145
146	if [[ -z ${iface} ]]
147	then
148	echo "WEP: no \$iface given. Aborting setup."
149	return 1
150	fi
151
152	${CURS_UP}
153	${SET_WWCOL}
154	echo "[AUTH: WEP]"
155
156	iwconfig "${iface}" enc on
157	[[ -n ${WIRELESS_KEY_LENGTH} ]] && iwconfig "${iface}" enc "${WIRELESS_KEY_LENGTH}"
158	[[ -n ${WIRELESS_KEY} ]] && iwconfig "${iface}" key "${WIRELESS_KEY}"
159	[[ -n ${WIRELESS_KEY_ASCII} ]] && iwconfig "${iface}" key s:"${WIRELESS_KEY_ASCII}"
160	}
161
162	config_wireless_wpa()
163	{
164	local iface="$1"
165
166	if [[ -z ${iface} ]]
167	then
168	echo "WPA: no \$iface given. Aborting setup."
169	return 1
170	fi
171
172	if [ ! -x /sbin/wpa_supplicant ]
173	then
174	echo "WPA: wpa_supplicant not installed. Aborting setup."
175	return 1
176	fi
177
178	${CURS_UP}
179	${SET_WWCOL}
180	echo "[AUTH: WPA]"
181
182	# get default settings
183	[[ -f /etc/conf.d/wpa_supplicant ]] && source /etc/conf.d/wpa_supplicant
184
185	# check the configuration
186	[[ -z ${WIRELESS_WPA_CONFIG} ]] && WIRELESS_WPA_CONFIG=/etc/wpa_supplicant.auto
187	[[ -z ${WIRELESS_WPA_SKEL} ]] && WIRELESS_WPA_SKEL=/etc/conf.d/wpa_supplicant.skel
188
189	# use wext as default driver, do not abort here anymore
190	[[ -z ${WIRELESS_WPA_DRIVER} ]] && WIRELESS_WPA_DRIVER=wext
191
192	# write a config with the settings from net.${iface}
193	# only wpa-psk ! all other needs manual setup
194	if [[ ${WIRELESS_WPA_AUTOCONF} = true ]]
195	then
196	# write default cfg from skeleton
197	cat ${WIRELESS_WPA_SKEL} > ${WIRELESS_WPA_CONFIG}
198
199	local wpa_proto
200	case ${WIRELESS_AUTH_MODE} in
201	wpa) wpa_proto="WPA" ;;
202	wpa2) wpa_proto="WPA2" ;;
203	esac
204
205	# setup the network entry
206	sed -i -e "s:@WIRELESS_ESSID@:${WIRELESS_ESSID}:g" \
207	-e "s:@WIRELESS_KEY@:${WIRELESS_KEY_ASCII}:g" \
208	-e "s:@WIRELESS_AUTH_MODE@:${wpa_proto}:g" \
209	${WIRELESS_WPA_CONFIG}
210	fi
211
212	# remove old state dir
213	[ -d /var/run/wpa_supplicant ] && rm -rf /var/run/wpa_supplicant
214
215	# now run the wpa_supplicant dameon
216	wpa_supplicant -B \
217	-D"${WIRELESS_WPA_DRIVER}" \
218	-c"${WIRELESS_WPA_CONFIG}" \
219	-i"${iface}" \
220	${WIRELESS_WPA_OPTS}
221
222	# echo wait 5 seconds
223	echo " Waiting 5 seconds to retrieve authentification reply ... "
224	sleep 5
225	}
226
227	setup_wireless_extensions()
228	{
229	local iface="$1"
230
231	if [[ -z ${iface} ]]
232	then
233	echo "WIRELESS_EXTENSIONS: no \$iface given. Aborting setup."
234	return 1
235	fi
236
237	if [[ -n ${WIRELESS_BITRATE} ]] \|\|
238	[[ -n ${WIRELESS_CHANNEL} ]] \|\|
239	[[ -n ${WIRELESS_ESSID} ]] \|\|
240	[[ -n ${WIRELESS_FREQUENCY} ]] \|\|
241	[[ -n ${WIRELESS_MODE} ]] \|\|
242	[[ -n ${WIRELESS_NICK} ]] \|\|
243	[[ -n ${WIRELESS_AUTH_MODE} ]]
244	then
245	echo -e ${COLOREDSTAR}"Setting up wlan-ext for ${COLBLUE}${iface}${COLDEFAULT} ... "
246	fi
247
248	[[ -n ${WIRELESS_BITRATE} ]] && iwconfig "${iface}" rate "${WIRELESS_BITRATE}"
249	[[ -n ${WIRELESS_CHANNEL} ]] && iwconfig "${iface}" channel "${WIRELESS_CHANNEL}"
250	[[ -n ${WIRELESS_ESSID} ]] && iwconfig "${iface}" essid "${WIRELESS_ESSID}"
251	[[ -n ${WIRELESS_FREQUENCY} ]] && iwconfig "${iface}" freq "${WIRELESS_FREQUENCY}"
252	[[ -n ${WIRELESS_MODE} ]] && iwconfig "${iface}" mode "${WIRELESS_MODE}"
253	[[ -n ${WIRELESS_NICK} ]] && iwconfig "${iface}" nick "${WIRELESS_NICK}"
254
255	case "${WIRELESS_AUTH_MODE}" in
256	wpa\|wpa2) config_wireless_wpa "${iface}" ;;
257	wep\|on) config_wireless_wep "${iface}" ;;
258	off) iwconfig "${iface}" enc off ;;
259	esac
260	}
261
262	config_bridge_devices()
263	{
264	local iface="$1"
265	local method="$2"
266	local bport
267
268	if [[ -z ${iface} ]]
269	then
270	echo "BRIDGE: no \$iface given. Aborting setup."
271	return 1
272	fi
273
274	if [[ -z ${method} ]]
275	then
276	echo "BRIDGE: no \$method given. Aborting setup."
277	return 1
278	fi
279
280	# first check for brctl
281	if [[ -z $(which brctl) ]]
282	then
283	echo "brctl not found! Please install 'net-misc/bridge-utils'."
284	return 1
285	fi
286
287	# check the config
288	if [[ -z ${BRIDGE_INTERFACES} ]]
289	then
290	echo "BRIDGE: no \$BRIDGE_INTERFACES given. Aborting setup."
291	return 1
292	fi
293
294	case ${method} in
295	add)
296	# setup the bridge device
297	brctl addbr ${iface}
298	for bport in ${BRIDGE_INTERFACES}
299	do
300	# enter promiscous mode
301	ifconfig ${bport} 0.0.0.0 promisc
302	# now setup the bridge
303	brctl addif ${iface} ${bport}
304	done
305	# enable spanning-tree protocol
306	case ${BRIDGE_STP} in
307	on\|off) brctl stp ${iface} ${BRIDGE_STP} ;;
308	*) echo "BRIDGE: unkown value \$BRIDGE_STP='$BRIDGE_STP'."; return 1 ;;
309	esac
310	;;
311
312	remove)
313	for bport in ${BRIDGE_INTERFACE}
314	do
315	# bring the interface down
316	ifconfig ${bport} down
317	# remove the interface from the bridge
318	brctl delif ${iface} ${bport}
319	done
320	# bring the bridge down
321	brctl delbr ${iface}
322	;;
323	esac
324
325	# unset the bridge variable to be safe
326	unset BRIDGE_INTERFACES
327	# continue to setup generic networking
328	}
329
330	config_routes()
331	{
332	local method="$1"
333	local message
334
335	# only add and del are allowed
336	case ${method} in
337	add) message="Adding route ${COLBLUE}${route}${COLDEFAULT} ..." ;;
338	del) message="Removing route ${COLBLUE}${route}${COLDEFAULT} ..." ;;
339	*)
340	echo "config_routes: unsupported \$method '${method}'."
341	exit 1
342	;;
343	esac
344
345	# adds/delete user routes
346	if [[ -f /etc/conf.d/net.routes ]]
347	then
348	( cat /etc/conf.d/net.routes; echo ) \| # make sure there is a LF at the end
349	while read route
350	do
351	case "${route}" in
352	\#*\|"") continue ;;
353	esac
354	echo -e ${COLOREDSTAR}"${message}"
355	route ${method} ${route}
356	evaluate_retval
357	done
358	fi
359	}
360
361	networking_start()
362	{
363	local iface dns routes ALL_INTERFACES
364
365	if [[ -z $1 ]]
366	then
367	ALL_INTERFACES=$(onboot_interface_list ${network_settings}/net.*)
368	else
369	if [[ -e ${network_settings}/net.$1 ]]
370	then
371	ALL_INTERFACES="$1"
372	else
373	${FAILURE}
374	echo "Interface $1 does not exist. Aborting"
375	${NORMAL}
376	exit 1
377	fi
378	fi
379
380	# get list of all devices
381	for iface in ${ALL_INTERFACES}
382	do
383	# checkconfig
384	source ${network_settings}/net.${iface} \|\| exit 1
385	checkconfig
386
387	# setup mac
388	if [[ -n ${FORCE_MAC_TO} ]]
389	then
390	echo -e ${COLOREDSTAR}"Faking MAC to ${FORCE_MAC_TO} for ${COLBLUE}${iface}${COLDEFAULT} ... "
391	ifconfig "${iface}" hw ether "${FORCE_MAC_TO}"
392	evaluate_retval
393	fi
394
395	# setup bridges
396	if [[ ${iface} = br[0-9]* ]]
397	then
398	config_bridge_devices ${iface} add
399	fi
400
401	# now configure wireless_extensions
402	[ -x /usr/sbin/iwconfig ] && setup_wireless_extensions "${iface}"
403
404	echo -e ${COLOREDSTAR}"Bringing up interface ${COLBLUE}${iface}${COLDEFAULT} ..."
405
406	# activate the interface
407	ifconfig "${iface}" up
408
409	# setup static or dhcp
410	case ${NETWORKING} in
411	dhcp\|DHCP)
412	${CURS_UP}
413	${SET_WWCOL}
414	echo "[DHCP]"
415	loadproc "${DHCP_PROG}" "${DHCP_START}" "${iface}"
416	;;
417	static\|STATIC)
418	${CURS_UP}
419	${SET_WWCOL}
420	echo "[STATIC]"
421	ifconfig "${iface}" "${IP}" netmask "${NETMASK}" broadcast "${BROADCAST}"
422	evaluate_retval
423	;;
424	esac
425
426	# setup def gw
427	if [[ -n ${GATEWAY} ]]
428	then
429	echo -e ${COLOREDSTAR}"Setting up default gateway for ${COLBLUE}${iface}${COLDEFAULT} ..."
430	route add default gateway ${GATEWAY} metric 1 dev ${iface}
431	evaluate_retval
432
433	unset GATEWAY
434	fi
435
436	# setup /etc/resolv.conf
437	if [[ -n ${NAMESERVER} ]]
438	then
439	echo -e ${COLOREDSTAR}"Setting up all nameserver for ${COLBLUE}${iface}${COLDEFAULT} ..."
440
441	# whipe out the old one
442	echo "# Generated by the magellan-initscripts for ${iface}" > /etc/resolv.conf
443	for dns in ${NAMESERVER}
444	do
445	echo "nameserver ${dns}" >> /etc/resolv.conf
446	done
447
448	unset NAMESERVER
449	fi
450	done
451
452	# setup user routes
453	config_routes add
454	}
455
456	networking_stop()
457	{
458	if [[ -z $1 ]]
459	then
460	ALL_INTERFACES=$(onboot_interface_list ${network_settings}/net.*)
461	else
462	if [[ -e ${network_settings}/net.$1 ]]
463	then
464	ALL_INTERFACES="$1"
465	else
466	${FAILURE}
467	echo "Interface $1 does not exist. Aborting"
468	${NORMAL}
469	exit 1
470	fi
471	fi
472
473	# get list of all devices
474	for iface in ${ALL_INTERFACES}
475	do
476	source ${network_settings}/net.${iface} \|\| exit 1
477	checkconfig
478
479	if [[ -n ${GATEWAY} ]]
480	then
481	echo -e ${COLOREDSTAR}"Removing default gateway ..."
482	route del -net default
483	evaluate_retval
484	fi
485
486	echo -e ${COLOREDSTAR}"Bringing down interface ${COLBLUE}${iface}${COLDEFAULT} ..."
487	ifconfig ${iface} down
488	evaluate_retval
489
490	# remove bridges
491	if [[ ${iface} = br[0-9]* ]]
492	then
493	config_bridge_devices ${iface} remove
494	fi
495
496	# shutdown dhcp-daemon
497	if [[ ${NETWORKING} = dhcp ]] && [[ -n $(pidof ${DHCP_PROG}) ]]
498	then
499	echo -e ${COLOREDSTAR}"Stopping the dhcp-daemon ..."
500	${CURS_UP}
501	${SET_WWCOL}
502	echo "[$(basename ${DHCP_PROG})]"
503	${DHCP_PROG} ${DHCP_STOP} "${iface}"
504	evaluate_retval
505	fi
506
507	# shutdown wpa_supplicant daemon
508	if [[ -n $(pidof wpa_supplicant) ]]
509	then
510	killall wpa_supplicant
511	fi
512	done
513
514	# remove state dir
515	if [ -d /var/run/wpa_supplicant ]
516	then
517	rm -rf /var/run/wpa_supplicant
518	fi
519
520	# delete user routes
521	config_routes del
522	}
523
524	case $1 in
525	start)
526	networking_start $2
527	update_svcstatus $1
528	splash svc_started "$(basename $0)" 0
529	;;
530
531	stop)
532	networking_stop $2
533	update_svcstatus $1
534	splash svc_stopped "$(basename $0)" 0
535	;;
536
537	restart)
538	$0 stop
539	sleep 1
540	$0 start
541	;;
542
543	*)
544	echo "Usage: $0 {start\|stop\|restart} [interface]"
545	exit 1
546	;;
547	esac