Magellan Linux

Annotation of /trunk/initscripts/busybox/rc/network

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Revision 1237 - (hide annotations) (download)
Thu Mar 10 20:25:17 2011 UTC (13 years, 2 months ago) by niro
Original Path: trunk/busybox-initscripts/rc/network
File size: 13439 byte(s)
-use killproc to terminate dhcp_prog if not stop argument was given
-udhcpc does not have a stop switch -k
1 niro 724 #!/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 niro 1193 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 niro 724
75     source ${file}
76     eval value=\$$(echo ${var})
77     echo "${value}"
78     }
79    
80     checkconfig()
81     {
82     if [[ -z ${NETWORKING} ]]
83     then
84 niro 1193 rc_echo "NETWORKING missing in net.${iface}, aborted"
85 niro 724 exit 1
86     fi
87    
88     case "${NETWORKING}" in
89     static)
90     if [[ -z ${IP} ]]
91     then
92 niro 1193 rc_echo "IP missing in net.${iface}, aborted"
93 niro 724 exit 1
94     fi
95    
96     if [[ -z ${NETMASK} ]]
97     then
98 niro 1193 rc_echo -n "NETMASK missing in net.${iface}, "
99 niro 1168 rc_echo "using 255.255.255.0"
100 niro 724 NETMASK=255.255.255.0
101     fi
102    
103     if [[ -z ${BROADCAST} ]]
104     then
105 niro 1193 rc_echo -n "BROADCAST missing in net.${iface}, "
106 niro 1168 rc_echo "using default address"
107 niro 724 fi
108     ;;
109    
110     dhcp)
111     if [[ -z ${DHCP_PROG} ]]
112     then
113 niro 1193 rc_echo -n "DHCP_PROG missing in net.${iface},"
114     rc_echo "using default programm /sbin/udhcpc"
115     DHCP_PROG="/sbin/udhcpc"
116     fi
117 niro 1203 [[ -z ${DHCP_START} ]] && DHCP_START="-T10"
118 niro 1237 [[ -z ${DHCP_STOP} ]] && DHCP_STOP=""
119 niro 724 ;;
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 $@
133     do
134 niro 1231 iface="$(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 niro 724 if [[ $(read_value ONBOOT ${file}) = yes ]]
144     then
145 niro 1231 devices="${devices} ${iface}"
146 niro 724 fi
147     done
148    
149     echo "${devices}"
150     }
151    
152     config_wireless_wep()
153     {
154     local iface="$1"
155    
156     if [[ -z ${iface} ]]
157     then
158 niro 1168 rc_echo "WEP: no \$iface given. Aborting setup."
159 niro 724 return 1
160     fi
161    
162     ${CURS_UP}
163     ${SET_WWCOL}
164 niro 1168 rc_echo "[AUTH: WEP]"
165 niro 724
166     iwconfig "${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 niro 1168 rc_echo "WPA: no \$iface given. Aborting setup."
179 niro 724 return 1
180     fi
181    
182     if [ ! -x /sbin/wpa_supplicant ]
183     then
184 niro 1168 rc_echo "WPA: wpa_supplicant not installed. Aborting setup."
185 niro 724 return 1
186     fi
187    
188     ${CURS_UP}
189     ${SET_WWCOL}
190 niro 1168 rc_echo "[AUTH: WPA]"
191 niro 724
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 niro 1193 # use wext as default driver, do not abort here anymore
200     [[ -z ${WIRELESS_WPA_DRIVER} ]] && WIRELESS_WPA_DRIVER=wext
201    
202 niro 724 # write a config with the settings from net.${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 niro 1193 local wpa_proto
210     case ${WIRELESS_AUTH_MODE} in
211     wpa) wpa_proto="WPA" ;;
212     wpa2) wpa_proto="WPA2" ;;
213     esac
214    
215 niro 724 # setup the network entry
216     sed -i -e "s:@WIRELESS_ESSID@:${WIRELESS_ESSID}:g" \
217 niro 1193 -e "s:@WIRELESS_KEY@:${WIRELESS_KEY_ASCII}:g" \
218     -e "s:@WIRELESS_AUTH_MODE@:${wpa_proto}:g" \
219 niro 724 ${WIRELESS_WPA_CONFIG}
220     fi
221    
222     # remove old state dir
223     [ -d /var/run/wpa_supplicant ] && rm -rf /var/run/wpa_supplicant
224    
225     # now run the wpa_supplicant dameon
226     wpa_supplicant -B \
227     -D"${WIRELESS_WPA_DRIVER}" \
228     -c"${WIRELESS_WPA_CONFIG}" \
229     -i"${iface}" \
230     ${WIRELESS_WPA_OPTS}
231    
232     # echo wait 5 seconds
233 niro 1168 rc_echo " Waiting 5 seconds to retrieve authentification reply ... "
234 niro 724 sleep 5
235     }
236    
237     setup_wireless_extensions()
238     {
239     local iface="$1"
240    
241     if [[ -z ${iface} ]]
242     then
243 niro 1168 rc_echo "WIRELESS_EXTENSIONS: no \$iface given. Aborting setup."
244 niro 724 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 niro 1168 rc_print "Setting up wlan-ext for ${COLBLUE}${iface}${COLDEFAULT} ... "
256 niro 724 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 niro 1193 wpa|wpa2) config_wireless_wpa "${iface}" ;;
267     wep|on) config_wireless_wep "${iface}" ;;
268     off) iwconfig "${iface}" enc off ;;
269 niro 724 esac
270     }
271    
272 niro 1193 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 niro 724 config_bridge_devices()
340     {
341     local iface="$1"
342     local method="$2"
343     local bport
344    
345     if [[ -z ${iface} ]]
346     then
347 niro 1168 rc_echo "BRIDGE: no \$iface given. Aborting setup."
348 niro 724 return 1
349     fi
350    
351     if [[ -z ${method} ]]
352     then
353 niro 1168 rc_echo "BRIDGE: no \$method given. Aborting setup."
354 niro 724 return 1
355     fi
356    
357     # first check for brctl
358     if [[ -z $(which brctl) ]]
359     then
360 niro 1168 rc_echo "brctl not found! Please install 'net-misc/bridge-utils'."
361 niro 724 return 1
362     fi
363    
364     # check the config
365     if [[ -z ${BRIDGE_INTERFACES} ]]
366     then
367 niro 1168 rc_echo "BRIDGE: no \$BRIDGE_INTERFACES given. Aborting setup."
368 niro 724 return 1
369     fi
370    
371     case ${method} in
372     add)
373     # setup the bridge device
374 niro 1193 brctl addbr "${iface}"
375 niro 724 for bport in ${BRIDGE_INTERFACES}
376     do
377     # enter promiscous mode
378 niro 1193 ifconfig "${bport}" 0.0.0.0 promisc
379 niro 724 # now setup the bridge
380 niro 1193 brctl addif "${iface}" "${bport}"
381 niro 724 done
382 niro 1193 # configure all other options
383     config_bridge_options "${iface}"
384 niro 724 ;;
385    
386     remove)
387     for bport in ${BRIDGE_INTERFACE}
388     do
389     # bring the interface down
390 niro 1193 ifconfig "${bport}" down
391 niro 724 # remove the interface from the bridge
392 niro 1193 brctl delif "${iface}" "${bport}"
393 niro 724 done
394     # bring the bridge down
395 niro 1193 brctl delbr "${iface}"
396 niro 724 ;;
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 ${method} in
411 niro 1227 add) message="Adding" ;;
412     del) message="Removing" ;;
413 niro 724 *)
414 niro 1168 rc_echo "config_routes: unsupported \$method '${method}'."
415 niro 724 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 "${route}" in
426     \#*|"") continue ;;
427     esac
428 niro 1227 rc_print "${message} route ${COLBLUE}${route}${COLDEFAULT} ..."
429     # do not esacpe ${route} or it breaks!
430     route "${method}" ${route}
431 niro 724 evaluate_retval
432     done
433     fi
434     }
435    
436     networking_start()
437     {
438     local iface dns routes ALL_INTERFACES
439    
440     if [[ -z $1 ]]
441     then
442 niro 1193 ALL_INTERFACES=$(onboot_interface_list ${rc_network_settings}/net.*)
443 niro 724 else
444 niro 1193 if [[ -e ${rc_network_settings}/net.$1 ]]
445 niro 724 then
446     ALL_INTERFACES="$1"
447     else
448     ${FAILURE}
449 niro 1168 rc_echo "Interface $1 does not exist. Aborting"
450 niro 724 ${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 niro 1193 source ${rc_network_settings}/net.${iface} || exit 1
460 niro 724 checkconfig
461    
462     # setup mac
463 niro 1193 if [[ -n ${FORCE_MAC_TO} ]]
464 niro 724 then
465 niro 1168 rc_print "Faking MAC to ${FORCE_MAC_TO} for ${COLBLUE}${iface}${COLDEFAULT} ... "
466 niro 724 ifconfig "${iface}" hw ether "${FORCE_MAC_TO}"
467     evaluate_retval
468     fi
469    
470     # setup bridges
471     if [[ ${iface} = br[0-9]* ]]
472     then
473 niro 1193 config_bridge_devices "${iface}" add
474 niro 724 fi
475    
476     # now configure wireless_extensions
477     [ -x /usr/sbin/iwconfig ] && setup_wireless_extensions "${iface}"
478    
479 niro 1168 rc_print "Bringing up interface ${COLBLUE}${iface}${COLDEFAULT} ..."
480 niro 724
481 niro 1193 # activate the interface
482     ifconfig "${iface}" up
483    
484 niro 724 # setup static or dhcp
485     case ${NETWORKING} in
486     dhcp|DHCP)
487     ${CURS_UP}
488     ${SET_WWCOL}
489 niro 1168 rc_echo "[DHCP]"
490 niro 1193 loadproc "${DHCP_PROG}" "${DHCP_START}" "${iface}"
491 niro 724 ;;
492     static|STATIC)
493     ${CURS_UP}
494     ${SET_WWCOL}
495 niro 1168 rc_echo "[STATIC]"
496 niro 724 ifconfig "${iface}" "${IP}" netmask "${NETMASK}" broadcast "${BROADCAST}"
497     evaluate_retval
498     ;;
499     esac
500    
501     # setup def gw
502     if [[ -n ${GATEWAY} ]]
503     then
504 niro 1168 rc_print "Setting up default gateway for ${COLBLUE}${iface}${COLDEFAULT} ..."
505 niro 1193 route add default gateway "${GATEWAY}" metric 1 dev "${iface}"
506 niro 724 evaluate_retval
507    
508     unset GATEWAY
509     fi
510    
511     # setup /etc/resolv.conf
512 niro 1193 # add given nameserver
513 niro 724 if [[ -n ${NAMESERVER} ]]
514     then
515 niro 1168 rc_print "Setting up all nameserver for ${COLBLUE}${iface}${COLDEFAULT} ..."
516    
517 niro 724 # whipe out the old one
518     echo "# Generated by the magellan-initscripts for ${iface}" > /etc/resolv.conf
519 niro 1193 # 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 niro 724 for dns in ${NAMESERVER}
528     do
529     echo "nameserver ${dns}" >> /etc/resolv.conf
530     done
531    
532 niro 1193 # 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 niro 724 unset NAMESERVER
541     fi
542     done
543    
544     # setup user routes
545     config_routes add
546     }
547    
548     networking_stop()
549     {
550     if [[ -z $1 ]]
551     then
552 niro 1193 ALL_INTERFACES=$(onboot_interface_list ${rc_network_settings}/net.*)
553 niro 724 else
554 niro 1193 if [[ -e ${rc_network_settings}/net.$1 ]]
555 niro 724 then
556     ALL_INTERFACES="$1"
557     else
558     ${FAILURE}
559 niro 1168 rc_echo "Interface $1 does not exist. Aborting"
560 niro 724 ${NORMAL}
561     exit 1
562     fi
563     fi
564    
565     # get list of all devices
566     for iface in ${ALL_INTERFACES}
567     do
568 niro 1193 source ${rc_network_settings}/net.${iface} || exit 1
569 niro 724 checkconfig
570    
571     if [[ -n ${GATEWAY} ]]
572     then
573 niro 1168 rc_print "Removing default gateway ..."
574 niro 724 route del -net default
575     evaluate_retval
576     fi
577    
578 niro 1168 rc_print "Bringing down interface ${COLBLUE}${iface}${COLDEFAULT} ..."
579 niro 1193 ifconfig "${iface}" down
580 niro 724 evaluate_retval
581    
582     # remove bridges
583     if [[ ${iface} = br[0-9]* ]]
584     then
585 niro 1193 config_bridge_devices "${iface}" remove
586 niro 724 fi
587    
588     # shutdown dhcp-daemon
589     if [[ ${NETWORKING} = dhcp ]] && [[ -n $(pidof ${DHCP_PROG}) ]]
590     then
591 niro 1168 rc_print "Stopping the dhcp-daemon ..."
592 niro 724 ${CURS_UP}
593     ${SET_WWCOL}
594 niro 1168 rc_echo "[$(basename ${DHCP_PROG})]"
595 niro 1237 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 niro 724 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 niro 1193 rc_echo "Usage: $0 {start|stop|restart} [interface]"
643 niro 724 exit 1
644     ;;
645     esac