units/scripts/network.sh

#!/bin/bash
# $Id$
# Magellan network configuration script for systemd

# get default settings
source /etc/conf.d/network

iface_wait_online()
{
	local timeout="$1"
	local iface="$2"

	(( timeout *= 10 ))

	while [ ! -e /sys/class/net/${iface} ]
	do
		(( timeout-- > 0 )) || return 1
		echo "waiting 0.1 seconds for device '${iface}' - timeout->'${timeout}'"
		sleep 0.1
	done

	return 0
}

iface_has_link()
{
	local interface="$1"
	local flags

	[[ -n ${interface} ]] || return 2
	interface="/sys/class/net/${interface}"
	[[ -d ${interface} ]] || return 2
	flags=$(cat ${interface}/flags)
	echo $((${flags}|0x41)) > ${interface}/flags # 0x41: IFF_UP|IFF_RUNNING
	[ "$(cat ${interface}/carrier)" = 1 ] || return 1
}

# 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
	local BRIDGE_AGEING_TIME
	local BRIDGE_PRIORITY
	local BRIDGE_FORWARD_DELAY
	local BRIDGE_HELLO_TIME
	local BRIDGE_MAX_MESSAGE_AGE
	local BRIDGE_PATH_COST
	local BRIDGE_PORT_PRIORITY

	# point-to-point support
	local POINTOPOINT

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

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

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

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

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

	dhcp)
		if [[ -z ${DHCP_PROG} ]]
		then
			echo -n "DHCP_PROG missing in net.${iface},"
			echo "using default programm ${DEFAULT_DHCP_PROG}"
			DHCP_PROG="${DEFAULT_DHCP_PROG}"
		fi
		[[ -z ${DHCP_START} ]] && DHCP_START="${DEFAULT_DHCP_START}"
		[[ -z ${DHCP_STOP} ]] && DHCP_STOP="${DEFAULT_DHCP_STOP}"
		;;

	esac
}

# onboot_interface_list /path/to/files*
onboot_interface_list()
{
	local file
	local devices
	local iface

	# get list of all devices
	for file in $@
	do
		iface="$(basename ${file} | sed s/net.//)"

		# exclude backup files and exclude net.routes and net.sample too
		case "${iface}" in
			*~) continue ;;
			routes) continue ;;
			sample) continue ;;
		esac

		if [[ $(read_value ONBOOT ${file}) = yes ]]
		then
			devices="${devices} ${iface}"
		fi
	done

	echo "${devices}"
}

config_wireless_wep()
{
	local iface="$1"

	if [[ -z ${iface} ]]
	then
		echo "WEP: no \$iface given. Aborting setup."
		return 1
	fi

	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 $(type -P wpa_supplicant) ]
	then
		echo "WPA: wpa_supplicant not installed. Aborting setup."
		return 1
	fi

	# 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/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 /run/wpa_supplicant ] && rm -rf /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

	[[ -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_options()
{
	local iface="$1"
	local i
	local port
	local cost
	local prio

	# 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

	# configure ageing time
	if [[ ! -z ${BRIDGE_AGEING_TIME} ]]
	then
		brctl setageing "${iface}" "${BRIDGE_AGEING_TIME}"
	fi

	# configure bridge priority
	if [[ ! -z ${BRIDGE_PRIORITY} ]]
	then
		brctl setbridgeprio "${iface}" "${BRIDGE_PRIORITY}"
	fi

	# configure forward delay
	if [[ ! -z ${BRIDGE_FORWARD_DELAY} ]]
	then
		brctl setfd "${iface}" "${BRIDGE_FORWARD_DELAY}"
	fi

	# configure hello time
	if [[ ! -z ${BRIDGE_HELLO_TIME} ]]
	then
		brctl sethello "${iface}" "${BRIDGE_HELLO_TIME}"
	fi

	# configure maximal message age
	if [[ ! -z ${BRIDGE_MAX_MESSAGE_AGE} ]]
	then
		brctl setmaxage "${iface}" "${BRIDGE_MAX_MESSAGE_AGE}"
	fi

	# configure path cost for every port
	if [[ ! -z ${BRIDGE_PATH_COST} ]]
	then
		for i in ${BRIDGE_PATH_COST}
		do
			port="${i%=*}"
			cost="${i#*=}"
			[[ ! -z ${port} ]] && brctl pathcost "${iface}" "${port}" "${cost}"
		done
	fi

	# configure port priority for every port
	if [[ ! -z ${BRIDGE_PORT_PRIORITY} ]]
	then
		for i in ${BRIDGE_PORT_PRIORITY}
		do
			port="${i%=*}"
			prio="${i#*=}"
			[[ ! -z ${port} ]] && brctl setportprio "${iface}" "${port}" "${prio}"
		done
	fi
}

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 $(type -P 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
			# configure all other options
			config_bridge_options "${iface}"
			;;

		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 ${method} in
		add) message="Adding" ;;
		del) message="Removing" ;;
		*)
			echo "config_routes: unsupported \$method '${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
			# do not esacpe ${route} or it breaks!
			route "${method}" ${route}
		done
	fi
}

networking_start()
{
	local iface dns routes ALL_INTERFACES

	if [[ -z $1 ]]
	then
		ALL_INTERFACES=$(onboot_interface_list /etc/conf.d/net.*)
	else
		if [[ -e /etc/conf.d/net.$1 ]]
		then
			ALL_INTERFACES="$1"
		else
			echo "Interface $1 does not exist. Aborting"
			exit 1
		fi
	fi

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

		# wait until the device is created
		iface_wait_online 5 "${iface}" || { echo "device '${iface}' does not exist"; continue; }

		# setup mac
		if [[ -n ${FORCE_MAC_TO} ]]
		then
			ifconfig "${iface}" hw ether "${FORCE_MAC_TO}"
		fi

		# setup bridges
		if [[ ${iface} = br[0-9]* ]]
		then
			config_bridge_devices "${iface}" add
		fi

		# now configure wireless_extensions
		[ -x $(type -P iwconfig) ] && setup_wireless_extensions "${iface}"

		# activate the interface
		ifconfig "${iface}" up

		# setup static or dhcp
		case ${NETWORKING} in
			dhcp|DHCP)
				if iface_has_link "${iface}"
				then
					${DHCP_PROG} ${DHCP_START} "${iface}"
				else
					echo "Interface '${iface}' has no link. Not running '${DHCP_PROG}'."
				fi
				;;
			static|STATIC)
				ifconfig "${iface}" "${IP}" netmask "${NETMASK}" broadcast "${BROADCAST}"
				if [[ -n ${POINTOPOINT} ]]
				then
					ifconfig "${iface}" "${IP}" pointopoint "${POINTOPOINT}"
				fi
				;;
		esac

		# setup def gw
		if [[ -n ${GATEWAY} ]]
		then
			route add default gateway "${GATEWAY}" metric 1 dev "${iface}"
			unset GATEWAY
		fi

		# setup /etc/resolv.conf
		# add given nameserver
		if [[ -n ${NAMESERVER} ]]
		then
			# whipe out the old one
			echo "# Generated by the magellan-initscripts for ${iface}" > /etc/resolv.conf
			# include head
			if [ -f /etc/resolv.conf.head ]
			then
				cat /etc/resolv.conf.head >> /etc/resolv.conf
			else
				echo "# /etc/resolv.conf.head can replace this line" >> /etc/resolv.conf
			fi

			for dns in ${NAMESERVER}
			do
				echo "nameserver ${dns}" >> /etc/resolv.conf
			done

			# include tail
			if [ -f /etc/resolv.conf.tail ]
			then
				cat /etc/resolv.conf.tail >> /etc/resolv.conf
			else
				echo "# /etc/resolv.conf.tail can replace this line" >> /etc/resolv.conf
			fi

			unset NAMESERVER
		fi
	done

	# setup user routes
	config_routes add
}

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

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

		if [[ -n ${GATEWAY} ]]
		then
			route del -net default
		fi

		ifconfig "${iface}" down

		# remove bridges
		if [[ ${iface} = br[0-9]* ]]
		then
			config_bridge_devices "${iface}" remove
		fi

		# shutdown dhcp-daemon
		if [[ ${NETWORKING} = dhcp ]] && [[ -n $(pidof $(basename ${DHCP_PROG})) ]]
		then
			if [[ -z ${DHCP_STOP} ]]
			then
				killall -15 ${DHCP_PROG}
				sleep 1
				# try harder
				if [[ -n $(pidof $(basename ${DHCP_PROG})) ]]
				then
					killall -9 ${DHCP_PROG}
				fi
			else
				${DHCP_PROG} ${DHCP_STOP} "${iface}"
			fi
		fi

		# shutdown wpa_supplicant daemon
		if [[ -n $(pidof wpa_supplicant) ]]
		then
			killall wpa_supplicant
		fi
	done

	# remove state dir
	if [ -d /run/wpa_supplicant ]
	then
		rm -rf /run/wpa_supplicant
	fi

	# delete user routes
	config_routes del
}

case $1 in
	start)
		networking_start $2 ;;

	stop) 
		networking_stop $2 ;;

	restart)
		$0 stop
		sleep 1
		$0 start
		;;

	*)
		echo "Usage: $0 {start|stop|restart} [interface]"
		exit 1
		;;
esac
1	#!/bin/bash
2	# $Id$
3	# Magellan network configuration script for systemd
4
5	# get default settings
6	source /etc/conf.d/network
7
8	iface_wait_online()
9	{
10	local timeout="$1"
11	local iface="$2"
12
13	(( timeout *= 10 ))
14
15	while [ ! -e /sys/class/net/${iface} ]
16	do
17	(( timeout-- > 0 )) \|\| return 1
18	echo "waiting 0.1 seconds for device '${iface}' - timeout->'${timeout}'"
19	sleep 0.1
20	done
21
22	return 0
23	}
24
25	iface_has_link()
26	{
27	local interface="$1"
28	local flags
29
30	[[ -n ${interface} ]] \|\| return 2
31	interface="/sys/class/net/${interface}"
32	[[ -d ${interface} ]] \|\| return 2
33	flags=$(cat ${interface}/flags)
34	echo $((${flags}\|0x41)) > ${interface}/flags # 0x41: IFF_UP\|IFF_RUNNING
35	[ "$(cat ${interface}/carrier)" = 1 ] \|\| return 1
36	}
37
38	# read values from files
39	read_value()
40	{
41	local var="$1"
42	local file="$2"
43	local value
44
45	# local all possible vars
46	# global
47	local ONBOOT
48	local NETWORKING
49
50	# static
51	local IP
52	local NETMASK
53	local BROADCAST
54	local NETWORKING
55	local FORCE_MAC_TO
56
57	# dhcp
58	local DHCP_PROG
59	local DHCP_START
60	local DHCP_STOP
61
62	# default gw
63	local GATEWAY
64	local GATEWAY_IF
65
66	# wireless extensions
67	local WIRELESS_AP
68	local WIRELESS_AUTH_MODE
69	local WIRELESS_BITRATE
70	local WIRELESS_CHANNEL
71	local WIRELESS_DEFAULT_KEY
72	local WIRELESS_ESSID
73	local WIRELESS_FREQUENCY
74	local WIRELESS_KEY
75	local WIRELESS_KEY_ASCII
76	local WIRELESS_KEY_0
77	local WIRELESS_KEY_1
78	local WIRELESS_KEY_2
79	local WIRELESS_KEY_3
80	local WIRELESS_KEY_LENGTH
81	local WIRELESS_MODE
82	local WIRELESS_NICK
83	local WIRELESS_NWID
84	local WIRELESS_POWER
85	local WIRELESS_WPA_DRIVER
86
87	local BRIDGE_INTERFACES
88	local BRIDGE_STP
89	local BRIDGE_AGEING_TIME
90	local BRIDGE_PRIORITY
91	local BRIDGE_FORWARD_DELAY
92	local BRIDGE_HELLO_TIME
93	local BRIDGE_MAX_MESSAGE_AGE
94	local BRIDGE_PATH_COST
95	local BRIDGE_PORT_PRIORITY
96
97	# point-to-point support
98	local POINTOPOINT
99
100	source ${file}
101	eval value=\$$(echo ${var})
102	echo "${value}"
103	}
104
105	checkconfig()
106	{
107	if [[ -z ${NETWORKING} ]]
108	then
109	echo "NETWORKING missing in net.${iface}, aborted"
110	exit 1
111	fi
112
113	case "${NETWORKING}" in
114	static)
115	if [[ -z ${IP} ]]
116	then
117	echo "IP missing in net.${iface}, aborted"
118	exit 1
119	fi
120
121	if [[ -z ${NETMASK} ]]
122	then
123	echo -n "NETMASK missing in net.${iface}, "
124	echo "using ${DEFAULT_NETMASK}"
125	NETMASK="${DEFAULT_NETMASK}"
126	fi
127
128	if [[ -z ${BROADCAST} ]]
129	then
130	echo -n "BROADCAST missing in net.${iface}, "
131	echo "using default address"
132	fi
133	;;
134
135	dhcp)
136	if [[ -z ${DHCP_PROG} ]]
137	then
138	echo -n "DHCP_PROG missing in net.${iface},"
139	echo "using default programm ${DEFAULT_DHCP_PROG}"
140	DHCP_PROG="${DEFAULT_DHCP_PROG}"
141	fi
142	[[ -z ${DHCP_START} ]] && DHCP_START="${DEFAULT_DHCP_START}"
143	[[ -z ${DHCP_STOP} ]] && DHCP_STOP="${DEFAULT_DHCP_STOP}"
144	;;
145
146	esac
147	}
148
149	# onboot_interface_list /path/to/files*
150	onboot_interface_list()
151	{
152	local file
153	local devices
154	local iface
155
156	# get list of all devices
157	for file in $@
158	do
159	iface="$(basename ${file} \| sed s/net.//)"
160
161	# exclude backup files and exclude net.routes and net.sample too
162	case "${iface}" in
163	*~) continue ;;
164	routes) continue ;;
165	sample) continue ;;
166	esac
167
168	if [[ $(read_value ONBOOT ${file}) = yes ]]
169	then
170	devices="${devices} ${iface}"
171	fi
172	done
173
174	echo "${devices}"
175	}
176
177	config_wireless_wep()
178	{
179	local iface="$1"
180
181	if [[ -z ${iface} ]]
182	then
183	echo "WEP: no \$iface given. Aborting setup."
184	return 1
185	fi
186
187	iwconfig "${iface}" enc on
188	[[ -n ${WIRELESS_KEY_LENGTH} ]] && iwconfig "${iface}" enc "${WIRELESS_KEY_LENGTH}"
189	[[ -n ${WIRELESS_KEY} ]] && iwconfig "${iface}" key "${WIRELESS_KEY}"
190	[[ -n ${WIRELESS_KEY_ASCII} ]] && iwconfig "${iface}" key s:"${WIRELESS_KEY_ASCII}"
191	}
192
193	config_wireless_wpa()
194	{
195	local iface="$1"
196
197	if [[ -z ${iface} ]]
198	then
199	echo "WPA: no \$iface given. Aborting setup."
200	return 1
201	fi
202
203	if [ ! -x $(type -P wpa_supplicant) ]
204	then
205	echo "WPA: wpa_supplicant not installed. Aborting setup."
206	return 1
207	fi
208
209	# get default settings
210	[[ -f /etc/conf.d/wpa_supplicant ]] && source /etc/conf.d/wpa_supplicant
211
212	# check the configuration
213	[[ -z ${WIRELESS_WPA_CONFIG} ]] && WIRELESS_WPA_CONFIG=/etc/wpa_supplicant/wpa_supplicant.auto
214	[[ -z ${WIRELESS_WPA_SKEL} ]] && WIRELESS_WPA_SKEL=/etc/conf.d/wpa_supplicant.skel
215
216	# use wext as default driver, do not abort here anymore
217	[[ -z ${WIRELESS_WPA_DRIVER} ]] && WIRELESS_WPA_DRIVER=wext
218
219	# write a config with the settings from net.${iface}
220	# only wpa-psk ! all other needs manual setup
221	if [[ ${WIRELESS_WPA_AUTOCONF} = true ]]
222	then
223	# write default cfg from skeleton
224	cat ${WIRELESS_WPA_SKEL} > ${WIRELESS_WPA_CONFIG}
225
226	local wpa_proto
227	case ${WIRELESS_AUTH_MODE} in
228	wpa) wpa_proto="WPA" ;;
229	wpa2) wpa_proto="WPA2" ;;
230	esac
231
232	# setup the network entry
233	sed -i -e "s:@WIRELESS_ESSID@:${WIRELESS_ESSID}:g" \
234	-e "s:@WIRELESS_KEY@:${WIRELESS_KEY_ASCII}:g" \
235	-e "s:@WIRELESS_AUTH_MODE@:${wpa_proto}:g" \
236	${WIRELESS_WPA_CONFIG}
237	fi
238
239	# remove old state dir
240	[ -d /run/wpa_supplicant ] && rm -rf /run/wpa_supplicant
241
242	# now run the wpa_supplicant dameon
243	wpa_supplicant -B \
244	-D"${WIRELESS_WPA_DRIVER}" \
245	-c"${WIRELESS_WPA_CONFIG}" \
246	-i"${iface}" \
247	${WIRELESS_WPA_OPTS}
248
249	# echo wait 5 seconds
250	echo " Waiting 5 seconds to retrieve authentification reply ... "
251	sleep 5
252	}
253
254	setup_wireless_extensions()
255	{
256	local iface="$1"
257
258	if [[ -z ${iface} ]]
259	then
260	echo "WIRELESS_EXTENSIONS: no \$iface given. Aborting setup."
261	return 1
262	fi
263
264	[[ -n ${WIRELESS_BITRATE} ]] && iwconfig "${iface}" rate "${WIRELESS_BITRATE}"
265	[[ -n ${WIRELESS_CHANNEL} ]] && iwconfig "${iface}" channel "${WIRELESS_CHANNEL}"
266	[[ -n ${WIRELESS_ESSID} ]] && iwconfig "${iface}" essid "${WIRELESS_ESSID}"
267	[[ -n ${WIRELESS_FREQUENCY} ]] && iwconfig "${iface}" freq "${WIRELESS_FREQUENCY}"
268	[[ -n ${WIRELESS_MODE} ]] && iwconfig "${iface}" mode "${WIRELESS_MODE}"
269	[[ -n ${WIRELESS_NICK} ]] && iwconfig "${iface}" nick "${WIRELESS_NICK}"
270
271	case "${WIRELESS_AUTH_MODE}" in
272	wpa\|wpa2) config_wireless_wpa "${iface}" ;;
273	wep\|on) config_wireless_wep "${iface}" ;;
274	off) iwconfig "${iface}" enc off ;;
275	esac
276	}
277
278	config_bridge_options()
279	{
280	local iface="$1"
281	local i
282	local port
283	local cost
284	local prio
285
286	# enable spanning-tree protocol
287	case ${BRIDGE_STP} in
288	on\|off) brctl stp "${iface}" "${BRIDGE_STP}" ;;
289	*) echo "BRIDGE: unkown value \$BRIDGE_STP='$BRIDGE_STP'."; return 1 ;;
290	esac
291
292	# configure ageing time
293	if [[ ! -z ${BRIDGE_AGEING_TIME} ]]
294	then
295	brctl setageing "${iface}" "${BRIDGE_AGEING_TIME}"
296	fi
297
298	# configure bridge priority
299	if [[ ! -z ${BRIDGE_PRIORITY} ]]
300	then
301	brctl setbridgeprio "${iface}" "${BRIDGE_PRIORITY}"
302	fi
303
304	# configure forward delay
305	if [[ ! -z ${BRIDGE_FORWARD_DELAY} ]]
306	then
307	brctl setfd "${iface}" "${BRIDGE_FORWARD_DELAY}"
308	fi
309
310	# configure hello time
311	if [[ ! -z ${BRIDGE_HELLO_TIME} ]]
312	then
313	brctl sethello "${iface}" "${BRIDGE_HELLO_TIME}"
314	fi
315
316	# configure maximal message age
317	if [[ ! -z ${BRIDGE_MAX_MESSAGE_AGE} ]]
318	then
319	brctl setmaxage "${iface}" "${BRIDGE_MAX_MESSAGE_AGE}"
320	fi
321
322	# configure path cost for every port
323	if [[ ! -z ${BRIDGE_PATH_COST} ]]
324	then
325	for i in ${BRIDGE_PATH_COST}
326	do
327	port="${i%=*}"
328	cost="${i#*=}"
329	[[ ! -z ${port} ]] && brctl pathcost "${iface}" "${port}" "${cost}"
330	done
331	fi
332
333	# configure port priority for every port
334	if [[ ! -z ${BRIDGE_PORT_PRIORITY} ]]
335	then
336	for i in ${BRIDGE_PORT_PRIORITY}
337	do
338	port="${i%=*}"
339	prio="${i#*=}"
340	[[ ! -z ${port} ]] && brctl setportprio "${iface}" "${port}" "${prio}"
341	done
342	fi
343	}
344
345	config_bridge_devices()
346	{
347	local iface="$1"
348	local method="$2"
349	local bport
350
351	if [[ -z ${iface} ]]
352	then
353	echo "BRIDGE: no \$iface given. Aborting setup."
354	return 1
355	fi
356
357	if [[ -z ${method} ]]
358	then
359	echo "BRIDGE: no \$method given. Aborting setup."
360	return 1
361	fi
362
363	# first check for brctl
364	if [[ -z $(type -P brctl) ]]
365	then
366	echo "brctl not found! Please install 'net-misc/bridge-utils'."
367	return 1
368	fi
369
370	# check the config
371	if [[ -z ${BRIDGE_INTERFACES} ]]
372	then
373	echo "BRIDGE: no \$BRIDGE_INTERFACES given. Aborting setup."
374	return 1
375	fi
376
377	case ${method} in
378	add)
379	# setup the bridge device
380	brctl addbr "${iface}"
381	for bport in ${BRIDGE_INTERFACES}
382	do
383	# enter promiscous mode
384	ifconfig "${bport}" 0.0.0.0 promisc
385	# now setup the bridge
386	brctl addif "${iface}" "${bport}"
387	done
388	# configure all other options
389	config_bridge_options "${iface}"
390	;;
391
392	remove)
393	for bport in ${BRIDGE_INTERFACE}
394	do
395	# bring the interface down
396	ifconfig "${bport}" down
397	# remove the interface from the bridge
398	brctl delif "${iface}" "${bport}"
399	done
400	# bring the bridge down
401	brctl delbr "${iface}"
402	;;
403	esac
404
405	# unset the bridge variable to be safe
406	unset BRIDGE_INTERFACES
407	# continue to setup generic networking
408	}
409
410	config_routes()
411	{
412	local method="$1"
413	local message
414
415	# only add and del are allowed
416	case ${method} in
417	add) message="Adding" ;;
418	del) message="Removing" ;;
419	*)
420	echo "config_routes: unsupported \$method '${method}'."
421	exit 1
422	;;
423	esac
424
425	# adds/delete user routes
426	if [[ -f /etc/conf.d/net.routes ]]
427	then
428	( cat /etc/conf.d/net.routes; echo ) \| # make sure there is a LF at the end
429	while read route
430	do
431	case "${route}" in
432	\#*\|"") continue ;;
433	esac
434	# do not esacpe ${route} or it breaks!
435	route "${method}" ${route}
436	done
437	fi
438	}
439
440	networking_start()
441	{
442	local iface dns routes ALL_INTERFACES
443
444	if [[ -z $1 ]]
445	then
446	ALL_INTERFACES=$(onboot_interface_list /etc/conf.d/net.*)
447	else
448	if [[ -e /etc/conf.d/net.$1 ]]
449	then
450	ALL_INTERFACES="$1"
451	else
452	echo "Interface $1 does not exist. Aborting"
453	exit 1
454	fi
455	fi
456
457	# get list of all devices
458	for iface in ${ALL_INTERFACES}
459	do
460	# checkconfig
461	source /etc/conf.d/net.${iface} \|\| exit 1
462	checkconfig
463
464	# wait until the device is created
465	iface_wait_online 5 "${iface}" \|\| { echo "device '${iface}' does not exist"; continue; }
466
467	# setup mac
468	if [[ -n ${FORCE_MAC_TO} ]]
469	then
470	ifconfig "${iface}" hw ether "${FORCE_MAC_TO}"
471	fi
472
473	# setup bridges
474	if [[ ${iface} = br[0-9]* ]]
475	then
476	config_bridge_devices "${iface}" add
477	fi
478
479	# now configure wireless_extensions
480	[ -x $(type -P iwconfig) ] && setup_wireless_extensions "${iface}"
481
482	# activate the interface
483	ifconfig "${iface}" up
484
485	# setup static or dhcp
486	case ${NETWORKING} in
487	dhcp\|DHCP)
488	if iface_has_link "${iface}"
489	then
490	${DHCP_PROG} ${DHCP_START} "${iface}"
491	else
492	echo "Interface '${iface}' has no link. Not running '${DHCP_PROG}'."
493	fi
494	;;
495	static\|STATIC)
496	ifconfig "${iface}" "${IP}" netmask "${NETMASK}" broadcast "${BROADCAST}"
497	if [[ -n ${POINTOPOINT} ]]
498	then
499	ifconfig "${iface}" "${IP}" pointopoint "${POINTOPOINT}"
500	fi
501	;;
502	esac
503
504	# setup def gw
505	if [[ -n ${GATEWAY} ]]
506	then
507	route add default gateway "${GATEWAY}" metric 1 dev "${iface}"
508	unset GATEWAY
509	fi
510
511	# setup /etc/resolv.conf
512	# add given nameserver
513	if [[ -n ${NAMESERVER} ]]
514	then
515	# whipe out the old one
516	echo "# Generated by the magellan-initscripts for ${iface}" > /etc/resolv.conf
517	# include head
518	if [ -f /etc/resolv.conf.head ]
519	then
520	cat /etc/resolv.conf.head >> /etc/resolv.conf
521	else
522	echo "# /etc/resolv.conf.head can replace this line" >> /etc/resolv.conf
523	fi
524
525	for dns in ${NAMESERVER}
526	do
527	echo "nameserver ${dns}" >> /etc/resolv.conf
528	done
529
530	# include tail
531	if [ -f /etc/resolv.conf.tail ]
532	then
533	cat /etc/resolv.conf.tail >> /etc/resolv.conf
534	else
535	echo "# /etc/resolv.conf.tail can replace this line" >> /etc/resolv.conf
536	fi
537
538	unset NAMESERVER
539	fi
540	done
541
542	# setup user routes
543	config_routes add
544	}
545
546	networking_stop()
547	{
548	if [[ -z $1 ]]
549	then
550	ALL_INTERFACES=$(onboot_interface_list /etc/conf.d/net.*)
551	else
552	if [[ -e /etc/conf.d/net.$1 ]]
553	then
554	ALL_INTERFACES="$1"
555	else
556	echo "Interface $1 does not exist. Aborting"
557	exit 1
558	fi
559	fi
560
561	# get list of all devices
562	for iface in ${ALL_INTERFACES}
563	do
564	source /etc/conf.d/net.${iface} \|\| exit 1
565	checkconfig
566
567	if [[ -n ${GATEWAY} ]]
568	then
569	route del -net default
570	fi
571
572	ifconfig "${iface}" down
573
574	# remove bridges
575	if [[ ${iface} = br[0-9]* ]]
576	then
577	config_bridge_devices "${iface}" remove
578	fi
579
580	# shutdown dhcp-daemon
581	if [[ ${NETWORKING} = dhcp ]] && [[ -n $(pidof $(basename ${DHCP_PROG})) ]]
582	then
583	if [[ -z ${DHCP_STOP} ]]
584	then
585	killall -15 ${DHCP_PROG}
586	sleep 1
587	# try harder
588	if [[ -n $(pidof $(basename ${DHCP_PROG})) ]]
589	then
590	killall -9 ${DHCP_PROG}
591	fi
592	else
593	${DHCP_PROG} ${DHCP_STOP} "${iface}"
594	fi
595	fi
596
597	# shutdown wpa_supplicant daemon
598	if [[ -n $(pidof wpa_supplicant) ]]
599	then
600	killall wpa_supplicant
601	fi
602	done
603
604	# remove state dir
605	if [ -d /run/wpa_supplicant ]
606	then
607	rm -rf /run/wpa_supplicant
608	fi
609
610	# delete user routes
611	config_routes del
612	}
613
614	case $1 in
615	start)
616	networking_start $2 ;;
617
618	stop)
619	networking_stop $2 ;;
620
621	restart)
622	$0 stop
623	sleep 1
624	$0 start
625	;;
626
627	*)
628	echo "Usage: $0 {start\|stop\|restart} [interface]"
629	exit 1
630	;;
631	esac