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	niro	1378	#!/bin/bash
2			# $Id$
3			# Magellan network configuration script for systemd
4
5	niro	1382	# get default settings
6			source /etc/conf.d/network
7
8	niro	2382	iface_wait_online()
9	niro	2305	{
10	niro	2312	local timeout="$1"
11	niro	2305	local iface="$2"
12
13			(( timeout *= 10 ))
14
15			while [ ! -e /sys/class/net/${iface} ]
16			do
17			(( timeout-- > 0 )) \|\| return 1
18	niro	2308	echo "waiting 0.1 seconds for device '${iface}' - timeout->'${timeout}'"
19	niro	2305	sleep 0.1
20			done
21
22			return 0
23			}
24
25	niro	2383	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	niro	1378	# 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	niro	2911	# point-to-point support
98			local POINTOPOINT
99
100	niro	1378	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	niro	1382	echo "using ${DEFAULT_NETMASK}"
125			NETMASK="${DEFAULT_NETMASK}"
126	niro	1378	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	niro	1382	echo "using default programm ${DEFAULT_DHCP_PROG}"
140			DHCP_PROG="${DEFAULT_DHCP_PROG}"
141	niro	1378	fi
142	niro	1382	[[ -z ${DHCP_START} ]] && DHCP_START="${DEFAULT_DHCP_START}"
143			[[ -z ${DHCP_STOP} ]] && DHCP_STOP="${DEFAULT_DHCP_STOP}"
144	niro	1378	;;
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	niro	2063	if [ ! -x $(type -P wpa_supplicant) ]
204	niro	1378	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	niro	2031	[[ -z ${WIRELESS_WPA_CONFIG} ]] && WIRELESS_WPA_CONFIG=/etc/wpa_supplicant/wpa_supplicant.auto
214	niro	1378	[[ -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			${WIRELESS_WPA_CONFIG}
237			fi
238
239			# remove old state dir
240	niro	1665	[ -d /run/wpa_supplicant ] && rm -rf /run/wpa_supplicant
241	niro	1378
242			# now run the wpa_supplicant dameon
243			wpa_supplicant -B \
244			-D"${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	niro	2030	if [[ -z $(type -P brctl) ]]
365	niro	1378	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	niro	2305	# wait until the device is created
465	niro	2382	iface_wait_online 5 "${iface}" \|\| { echo "device '${iface}' does not exist"; continue; }
466	niro	2305
467	niro	1378	# 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	niro	2101	[ -x $(type -P iwconfig) ] && setup_wireless_extensions "${iface}"
481	niro	1378
482			# activate the interface
483			ifconfig "${iface}" up
484
485			# setup static or dhcp
486			case ${NETWORKING} in
487			dhcp\|DHCP)
488	niro	2383	if iface_has_link "${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	niro	1378	static\|STATIC)
496	niro	2911	ifconfig "${iface}" "${IP}" netmask "${NETMASK}" broadcast "${BROADCAST}"
497			if [[ -n ${POINTOPOINT} ]]
498			then
499			ifconfig "${iface}" "${IP}" pointopoint "${POINTOPOINT}"
500			fi
501			;;
502	niro	1378	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	niro	1665	if [ -d /run/wpa_supplicant ]
606	niro	1378	then
607	niro	1665	rm -rf /run/wpa_supplicant
608	niro	1378	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