Contents of /trunk/initscripts/busybox/rc/network

#!/bin/sh
# $Header: /home/cvsd/magellan-cvs/magellan-src/busybox-initscripts/rc/network,v 1.1 2008-06-02 22:14:35 niro Exp $

#%rlevels: 0:k 3:s
#%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
	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

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

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

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

		if [[ -z ${NETMASK} ]]
		then
			rc_echo -n "NETMASK missing in net.${iface}, "
			rc_echo "using 255.255.255.0"
			NETMASK=255.255.255.0
		fi

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

	dhcp)
		if [[ -z ${DHCP_PROG} ]]
		then
			rc_echo -n "DHCP_PROG missing in net.${iface},"
			rc_echo "using default programm /sbin/udhcpc"
			DHCP_PROG="/sbin/udhcpc"
 		fi
		[[ -z ${DHCP_START} ]] && DHCP_START="-T10"
		[[ -z ${DHCP_STOP} ]] && 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
		rc_echo "WEP: no \$iface given. Aborting setup."
		return 1
	fi

	${CURS_UP}
	${SET_WWCOL}
	rc_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
		rc_echo "WPA: no \$iface given. Aborting setup."
		return 1
	fi

	if [ ! -x /sbin/wpa_supplicant ]
	then
		rc_echo "WPA: wpa_supplicant not installed. Aborting setup."
		return 1
	fi

	${CURS_UP}
	${SET_WWCOL}
	rc_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
	rc_echo "    Waiting 5 seconds to retrieve authentification reply ... "
	sleep 5
}

setup_wireless_extensions()
{
	local iface="$1"

	if [[ -z ${iface} ]]
	then
		rc_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
		rc_print "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_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}" "${BRIDGE_STP}" ;;
		*) rc_echo "BRIDGE: unkown value \$BRIDGE_STP='$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
		rc_echo "BRIDGE: no \$iface given. Aborting setup."
		return 1
	fi

	if [[ -z ${method} ]]
	then
		rc_echo "BRIDGE: no \$method given. Aborting setup."
		return 1
	fi

	# first check for brctl
	if [[ -z $(which brctl) ]]
	then
		rc_echo "brctl not found! Please install 'net-misc/bridge-utils'."
		return 1
	fi

	# check the config
	if [[ -z ${BRIDGE_INTERFACES} ]]
	then
		rc_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 ${method} in
		add) message="Adding" ;;
		del) message="Removing" ;;
		*)
			rc_echo "config_routes: unsupported \$method '${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 "${route}" in
				\#*|"") continue ;;
			esac
			rc_print "${message} route ${COLBLUE}${route}${COLDEFAULT} ..."
			# do not esacpe ${route} or it breaks!
			route "${method}" ${route}
			evaluate_retval
		done
	fi
}

networking_start()
{
	local iface dns routes ALL_INTERFACES

	if [[ -z $1 ]]
	then
		ALL_INTERFACES=$(onboot_interface_list ${rc_network_settings}/net.*)
	else
		if [[ -e ${rc_network_settings}/net.$1 ]]
		then
			ALL_INTERFACES="$1"
		else
			${FAILURE}
			rc_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 ${rc_network_settings}/net.${iface} || exit 1
		checkconfig

		# setup mac
		if [[ -n ${FORCE_MAC_TO} ]]
		then
			rc_print "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}"

		rc_print "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}
				rc_echo "[DHCP]"
				loadproc ${DHCP_PROG} ${DHCP_START} "${iface}"
				;;
			static|STATIC)
				${CURS_UP}
				${SET_WWCOL}
				rc_echo "[STATIC]"
				ifconfig "${iface}" "${IP}" netmask "${NETMASK}" broadcast "${BROADCAST}"
				evaluate_retval
				;;
		esac

		# setup def gw
		if [[ -n ${GATEWAY} ]]
		then
			rc_print "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
		# add given nameserver
		if [[ -n ${NAMESERVER} ]]
		then
			rc_print "Setting up all nameserver for ${COLBLUE}${iface}${COLDEFAULT} ..."

			# 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 ${rc_network_settings}/net.*)
	else
		if [[ -e ${rc_network_settings}/net.$1 ]]
		then
			ALL_INTERFACES="$1"
		else
			${FAILURE}
			rc_echo "Interface $1 does not exist. Aborting"
			${NORMAL}
			exit 1
		fi
	fi

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

		if [[ -n ${GATEWAY} ]]
		then
			rc_print "Removing default gateway ..."
			route del -net default
			evaluate_retval
		fi

		rc_print "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 $(basename ${DHCP_PROG})) ]]
		then
			rc_print "Stopping the dhcp-daemon ..."
			${CURS_UP}
			${SET_WWCOL}
			rc_echo "[$(basename ${DHCP_PROG})]"
			if [[ -z ${DHCP_STOP} ]]
			then
				killproc ${DHCP_PROG}
				evaluate_retval
			else
				${DHCP_PROG} ${DHCP_STOP} "${iface}"
				evaluate_retval
			fi
		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
		;;

	*)
		rc_echo "Usage: $0 {start|stop|restart} [interface]"
		exit 1
		;;
esac
1	#!/bin/sh
2	# $Header: /home/cvsd/magellan-cvs/magellan-src/busybox-initscripts/rc/network,v 1.1 2008-06-02 22:14:35 niro Exp $
3
4	#%rlevels: 0:k 3:s
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	local BRIDGE_AGEING_TIME
68	local BRIDGE_PRIORITY
69	local BRIDGE_FORWARD_DELAY
70	local BRIDGE_HELLO_TIME
71	local BRIDGE_MAX_MESSAGE_AGE
72	local BRIDGE_PATH_COST
73	local BRIDGE_PORT_PRIORITY
74
75	source ${file}
76	eval value=\$$(echo ${var})
77	echo "${value}"
78	}
79
80	checkconfig()
81	{
82	if [[ -z ${NETWORKING} ]]
83	then
84	rc_echo "NETWORKING missing in net.${iface}, aborted"
85	exit 1
86	fi
87
88	case "${NETWORKING}" in
89	static)
90	if [[ -z ${IP} ]]
91	then
92	rc_echo "IP missing in net.${iface}, aborted"
93	exit 1
94	fi
95
96	if [[ -z ${NETMASK} ]]
97	then
98	rc_echo -n "NETMASK missing in net.${iface}, "
99	rc_echo "using 255.255.255.0"
100	NETMASK=255.255.255.0
101	fi
102
103	if [[ -z ${BROADCAST} ]]
104	then
105	rc_echo -n "BROADCAST missing in net.${iface}, "
106	rc_echo "using default address"
107	fi
108	;;
109
110	dhcp)
111	if [[ -z ${DHCP_PROG} ]]
112	then
113	rc_echo -n "DHCP_PROG missing in net.${iface},"
114	rc_echo "using default programm /sbin/udhcpc"
115	DHCP_PROG="/sbin/udhcpc"
116	fi
117	[[ -z ${DHCP_START} ]] && DHCP_START="-T10"
118	[[ -z ${DHCP_STOP} ]] && DHCP_STOP=""
119	;;
120
121	esac
122	}
123
124	# onboot_interface_list /path/to/files*
125	onboot_interface_list()
126	{
127	local file
128	local devices
129	local iface
130
131	# get list of all devices
132	for file in $@
133	do
134	iface="$(basename ${file} \| sed s/net.//)"
135
136	# exclude backup files and exclude net.routes and net.sample too
137	case "${iface}" in
138	*~) continue ;;
139	routes) continue ;;
140	sample) continue ;;
141	esac
142
143	if [[ $(read_value ONBOOT ${file}) = yes ]]
144	then
145	devices="${devices} ${iface}"
146	fi
147	done
148
149	echo "${devices}"
150	}
151
152	config_wireless_wep()
153	{
154	local iface="$1"
155
156	if [[ -z ${iface} ]]
157	then
158	rc_echo "WEP: no \$iface given. Aborting setup."
159	return 1
160	fi
161
162	${CURS_UP}
163	${SET_WWCOL}
164	rc_echo "[AUTH: WEP]"
165
166	iwconfig "${iface}" enc on
167	[[ -n ${WIRELESS_KEY_LENGTH} ]] && iwconfig "${iface}" enc "${WIRELESS_KEY_LENGTH}"
168	[[ -n ${WIRELESS_KEY} ]] && iwconfig "${iface}" key "${WIRELESS_KEY}"
169	[[ -n ${WIRELESS_KEY_ASCII} ]] && iwconfig "${iface}" key s:"${WIRELESS_KEY_ASCII}"
170	}
171
172	config_wireless_wpa()
173	{
174	local iface="$1"
175
176	if [[ -z ${iface} ]]
177	then
178	rc_echo "WPA: no \$iface given. Aborting setup."
179	return 1
180	fi
181
182	if [ ! -x /sbin/wpa_supplicant ]
183	then
184	rc_echo "WPA: wpa_supplicant not installed. Aborting setup."
185	return 1
186	fi
187
188	${CURS_UP}
189	${SET_WWCOL}
190	rc_echo "[AUTH: WPA]"
191
192	# get default settings
193	[[ -f /etc/conf.d/wpa_supplicant ]] && source /etc/conf.d/wpa_supplicant
194
195	# check the configuration
196	[[ -z ${WIRELESS_WPA_CONFIG} ]] && WIRELESS_WPA_CONFIG=/etc/wpa_supplicant.auto
197	[[ -z ${WIRELESS_WPA_SKEL} ]] && WIRELESS_WPA_SKEL=/etc/conf.d/wpa_supplicant.skel
198
199	# use wext as default driver, do not abort here anymore
200	[[ -z ${WIRELESS_WPA_DRIVER} ]] && WIRELESS_WPA_DRIVER=wext
201
202	# write a config with the settings from net.${iface}
203	# only wpa-psk ! all other needs manual setup
204	if [[ ${WIRELESS_WPA_AUTOCONF} = true ]]
205	then
206	# write default cfg from skeleton
207	cat ${WIRELESS_WPA_SKEL} > ${WIRELESS_WPA_CONFIG}
208
209	local wpa_proto
210	case ${WIRELESS_AUTH_MODE} in
211	wpa) wpa_proto="WPA" ;;
212	wpa2) wpa_proto="WPA2" ;;
213	esac
214
215	# setup the network entry
216	sed -i -e "s:@WIRELESS_ESSID@:${WIRELESS_ESSID}:g" \
217	-e "s:@WIRELESS_KEY@:${WIRELESS_KEY_ASCII}:g" \
218	-e "s:@WIRELESS_AUTH_MODE@:${wpa_proto}:g" \
219	${WIRELESS_WPA_CONFIG}
220	fi
221
222	# remove old state dir
223	[ -d /var/run/wpa_supplicant ] && rm -rf /var/run/wpa_supplicant
224
225	# now run the wpa_supplicant dameon
226	wpa_supplicant -B \
227	-D"${WIRELESS_WPA_DRIVER}" \
228	-c"${WIRELESS_WPA_CONFIG}" \
229	-i"${iface}" \
230	${WIRELESS_WPA_OPTS}
231
232	# echo wait 5 seconds
233	rc_echo " Waiting 5 seconds to retrieve authentification reply ... "
234	sleep 5
235	}
236
237	setup_wireless_extensions()
238	{
239	local iface="$1"
240
241	if [[ -z ${iface} ]]
242	then
243	rc_echo "WIRELESS_EXTENSIONS: no \$iface given. Aborting setup."
244	return 1
245	fi
246
247	if [[ -n ${WIRELESS_BITRATE} ]] \|\|
248	[[ -n ${WIRELESS_CHANNEL} ]] \|\|
249	[[ -n ${WIRELESS_ESSID} ]] \|\|
250	[[ -n ${WIRELESS_FREQUENCY} ]] \|\|
251	[[ -n ${WIRELESS_MODE} ]] \|\|
252	[[ -n ${WIRELESS_NICK} ]] \|\|
253	[[ -n ${WIRELESS_AUTH_MODE} ]]
254	then
255	rc_print "Setting up wlan-ext for ${COLBLUE}${iface}${COLDEFAULT} ... "
256	fi
257
258	[[ -n ${WIRELESS_BITRATE} ]] && iwconfig "${iface}" rate "${WIRELESS_BITRATE}"
259	[[ -n ${WIRELESS_CHANNEL} ]] && iwconfig "${iface}" channel "${WIRELESS_CHANNEL}"
260	[[ -n ${WIRELESS_ESSID} ]] && iwconfig "${iface}" essid "${WIRELESS_ESSID}"
261	[[ -n ${WIRELESS_FREQUENCY} ]] && iwconfig "${iface}" freq "${WIRELESS_FREQUENCY}"
262	[[ -n ${WIRELESS_MODE} ]] && iwconfig "${iface}" mode "${WIRELESS_MODE}"
263	[[ -n ${WIRELESS_NICK} ]] && iwconfig "${iface}" nick "${WIRELESS_NICK}"
264
265	case "${WIRELESS_AUTH_MODE}" in
266	wpa\|wpa2) config_wireless_wpa "${iface}" ;;
267	wep\|on) config_wireless_wep "${iface}" ;;
268	off) iwconfig "${iface}" enc off ;;
269	esac
270	}
271
272	config_bridge_options()
273	{
274	local iface="$1"
275	local i
276	local port
277	local cost
278	local prio
279
280	# enable spanning-tree protocol
281	case ${BRIDGE_STP} in
282	on\|off) brctl stp "${iface}" "${BRIDGE_STP}" ;;
283	*) rc_echo "BRIDGE: unkown value \$BRIDGE_STP='$BRIDGE_STP'."; return 1 ;;
284	esac
285
286	# configure ageing time
287	if [[ ! -z ${BRIDGE_AGEING_TIME} ]]
288	then
289	brctl setageing "${iface}" "${BRIDGE_AGEING_TIME}"
290	fi
291
292	# configure bridge priority
293	if [[ ! -z ${BRIDGE_PRIORITY} ]]
294	then
295	brctl setbridgeprio "${iface}" "${BRIDGE_PRIORITY}"
296	fi
297
298	# configure forward delay
299	if [[ ! -z ${BRIDGE_FORWARD_DELAY} ]]
300	then
301	brctl setfd "${iface}" "${BRIDGE_FORWARD_DELAY}"
302	fi
303
304	# configure hello time
305	if [[ ! -z ${BRIDGE_HELLO_TIME} ]]
306	then
307	brctl sethello "${iface}" "${BRIDGE_HELLO_TIME}"
308	fi
309
310	# configure maximal message age
311	if [[ ! -z ${BRIDGE_MAX_MESSAGE_AGE} ]]
312	then
313	brctl setmaxage "${iface}" "${BRIDGE_MAX_MESSAGE_AGE}"
314	fi
315
316	# configure path cost for every port
317	if [[ ! -z ${BRIDGE_PATH_COST} ]]
318	then
319	for i in ${BRIDGE_PATH_COST}
320	do
321	port="${i%=*}"
322	cost="${i#*=}"
323	[[ ! -z ${port} ]] && brctl pathcost "${iface}" "${port}" "${cost}"
324	done
325	fi
326
327	# configure port priority for every port
328	if [[ ! -z ${BRIDGE_PORT_PRIORITY} ]]
329	then
330	for i in ${BRIDGE_PORT_PRIORITY}
331	do
332	port="${i%=*}"
333	prio="${i#*=}"
334	[[ ! -z ${port} ]] && brctl setportprio "${iface}" "${port}" "${prio}"
335	done
336	fi
337	}
338
339	config_bridge_devices()
340	{
341	local iface="$1"
342	local method="$2"
343	local bport
344
345	if [[ -z ${iface} ]]
346	then
347	rc_echo "BRIDGE: no \$iface given. Aborting setup."
348	return 1
349	fi
350
351	if [[ -z ${method} ]]
352	then
353	rc_echo "BRIDGE: no \$method given. Aborting setup."
354	return 1
355	fi
356
357	# first check for brctl
358	if [[ -z $(which brctl) ]]
359	then
360	rc_echo "brctl not found! Please install 'net-misc/bridge-utils'."
361	return 1
362	fi
363
364	# check the config
365	if [[ -z ${BRIDGE_INTERFACES} ]]
366	then
367	rc_echo "BRIDGE: no \$BRIDGE_INTERFACES given. Aborting setup."
368	return 1
369	fi
370
371	case ${method} in
372	add)
373	# setup the bridge device
374	brctl addbr "${iface}"
375	for bport in ${BRIDGE_INTERFACES}
376	do
377	# enter promiscous mode
378	ifconfig "${bport}" 0.0.0.0 promisc
379	# now setup the bridge
380	brctl addif "${iface}" "${bport}"
381	done
382	# configure all other options
383	config_bridge_options "${iface}"
384	;;
385
386	remove)
387	for bport in ${BRIDGE_INTERFACE}
388	do
389	# bring the interface down
390	ifconfig "${bport}" down
391	# remove the interface from the bridge
392	brctl delif "${iface}" "${bport}"
393	done
394	# bring the bridge down
395	brctl delbr "${iface}"
396	;;
397	esac
398
399	# unset the bridge variable to be safe
400	unset BRIDGE_INTERFACES
401	# continue to setup generic networking
402	}
403
404	config_routes()
405	{
406	local method="$1"
407	local message
408
409	# only add and del are allowed
410	case ${method} in
411	add) message="Adding" ;;
412	del) message="Removing" ;;
413	*)
414	rc_echo "config_routes: unsupported \$method '${method}'."
415	exit 1
416	;;
417	esac
418
419	# adds/delete user routes
420	if [[ -f /etc/conf.d/net.routes ]]
421	then
422	( cat /etc/conf.d/net.routes; echo ) \| # make sure there is a LF at the end
423	while read route
424	do
425	case "${route}" in
426	\#*\|"") continue ;;
427	esac
428	rc_print "${message} route ${COLBLUE}${route}${COLDEFAULT} ..."
429	# do not esacpe ${route} or it breaks!
430	route "${method}" ${route}
431	evaluate_retval
432	done
433	fi
434	}
435
436	networking_start()
437	{
438	local iface dns routes ALL_INTERFACES
439
440	if [[ -z $1 ]]
441	then
442	ALL_INTERFACES=$(onboot_interface_list ${rc_network_settings}/net.*)
443	else
444	if [[ -e ${rc_network_settings}/net.$1 ]]
445	then
446	ALL_INTERFACES="$1"
447	else
448	${FAILURE}
449	rc_echo "Interface $1 does not exist. Aborting"
450	${NORMAL}
451	exit 1
452	fi
453	fi
454
455	# get list of all devices
456	for iface in ${ALL_INTERFACES}
457	do
458	# checkconfig
459	source ${rc_network_settings}/net.${iface} \|\| exit 1
460	checkconfig
461
462	# setup mac
463	if [[ -n ${FORCE_MAC_TO} ]]
464	then
465	rc_print "Faking MAC to ${FORCE_MAC_TO} for ${COLBLUE}${iface}${COLDEFAULT} ... "
466	ifconfig "${iface}" hw ether "${FORCE_MAC_TO}"
467	evaluate_retval
468	fi
469
470	# setup bridges
471	if [[ ${iface} = br[0-9]* ]]
472	then
473	config_bridge_devices "${iface}" add
474	fi
475
476	# now configure wireless_extensions
477	[ -x /usr/sbin/iwconfig ] && setup_wireless_extensions "${iface}"
478
479	rc_print "Bringing up interface ${COLBLUE}${iface}${COLDEFAULT} ..."
480
481	# activate the interface
482	ifconfig "${iface}" up
483
484	# setup static or dhcp
485	case ${NETWORKING} in
486	dhcp\|DHCP)
487	${CURS_UP}
488	${SET_WWCOL}
489	rc_echo "[DHCP]"
490	loadproc ${DHCP_PROG} ${DHCP_START} "${iface}"
491	;;
492	static\|STATIC)
493	${CURS_UP}
494	${SET_WWCOL}
495	rc_echo "[STATIC]"
496	ifconfig "${iface}" "${IP}" netmask "${NETMASK}" broadcast "${BROADCAST}"
497	evaluate_retval
498	;;
499	esac
500
501	# setup def gw
502	if [[ -n ${GATEWAY} ]]
503	then
504	rc_print "Setting up default gateway for ${COLBLUE}${iface}${COLDEFAULT} ..."
505	route add default gateway "${GATEWAY}" metric 1 dev "${iface}"
506	evaluate_retval
507
508	unset GATEWAY
509	fi
510
511	# setup /etc/resolv.conf
512	# add given nameserver
513	if [[ -n ${NAMESERVER} ]]
514	then
515	rc_print "Setting up all nameserver for ${COLBLUE}${iface}${COLDEFAULT} ..."
516
517	# whipe out the old one
518	echo "# Generated by the magellan-initscripts for ${iface}" > /etc/resolv.conf
519	# include head
520	if [ -f /etc/resolv.conf.head ]
521	then
522	cat /etc/resolv.conf.head >> /etc/resolv.conf
523	else
524	echo "# /etc/resolv.conf.head can replace this line" >> /etc/resolv.conf
525	fi
526
527	for dns in ${NAMESERVER}
528	do
529	echo "nameserver ${dns}" >> /etc/resolv.conf
530	done
531
532	# include tail
533	if [ -f /etc/resolv.conf.tail ]
534	then
535	cat /etc/resolv.conf.tail >> /etc/resolv.conf
536	else
537	echo "# /etc/resolv.conf.tail can replace this line" >> /etc/resolv.conf
538	fi
539
540	unset NAMESERVER
541	fi
542	done
543
544	# setup user routes
545	config_routes add
546	}
547
548	networking_stop()
549	{
550	if [[ -z $1 ]]
551	then
552	ALL_INTERFACES=$(onboot_interface_list ${rc_network_settings}/net.*)
553	else
554	if [[ -e ${rc_network_settings}/net.$1 ]]
555	then
556	ALL_INTERFACES="$1"
557	else
558	${FAILURE}
559	rc_echo "Interface $1 does not exist. Aborting"
560	${NORMAL}
561	exit 1
562	fi
563	fi
564
565	# get list of all devices
566	for iface in ${ALL_INTERFACES}
567	do
568	source ${rc_network_settings}/net.${iface} \|\| exit 1
569	checkconfig
570
571	if [[ -n ${GATEWAY} ]]
572	then
573	rc_print "Removing default gateway ..."
574	route del -net default
575	evaluate_retval
576	fi
577
578	rc_print "Bringing down interface ${COLBLUE}${iface}${COLDEFAULT} ..."
579	ifconfig "${iface}" down
580	evaluate_retval
581
582	# remove bridges
583	if [[ ${iface} = br[0-9]* ]]
584	then
585	config_bridge_devices "${iface}" remove
586	fi
587
588	# shutdown dhcp-daemon
589	if [[ ${NETWORKING} = dhcp ]] && [[ -n $(pidof $(basename ${DHCP_PROG})) ]]
590	then
591	rc_print "Stopping the dhcp-daemon ..."
592	${CURS_UP}
593	${SET_WWCOL}
594	rc_echo "[$(basename ${DHCP_PROG})]"
595	if [[ -z ${DHCP_STOP} ]]
596	then
597	killproc ${DHCP_PROG}
598	evaluate_retval
599	else
600	${DHCP_PROG} ${DHCP_STOP} "${iface}"
601	evaluate_retval
602	fi
603	fi
604
605	# shutdown wpa_supplicant daemon
606	if [[ -n $(pidof wpa_supplicant) ]]
607	then
608	killall wpa_supplicant
609	fi
610	done
611
612	# remove state dir
613	if [ -d /var/run/wpa_supplicant ]
614	then
615	rm -rf /var/run/wpa_supplicant
616	fi
617
618	# delete user routes
619	config_routes del
620	}
621
622	case $1 in
623	start)
624	networking_start $2
625	update_svcstatus $1
626	splash svc_started "$(basename $0)" 0
627	;;
628
629	stop)
630	networking_stop $2
631	update_svcstatus $1
632	splash svc_stopped "$(basename $0)" 0
633	;;
634
635	restart)
636	$0 stop
637	sleep 1
638	$0 start
639	;;
640
641	*)
642	rc_echo "Usage: $0 {start\|stop\|restart} [interface]"
643	exit 1
644	;;
645	esac