Contents of /tags/busybox-init-0_1_13/rc/network
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Thu Mar 10 19:23:09 2011 UTC (13 years, 6 months ago) by niro
File size: 13343 byte(s)
Thu Mar 10 19:23:09 2011 UTC (13 years, 6 months ago) by niro
File size: 13343 byte(s)
tagged 'busybox-init-0_1_13'
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="-k" |
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 ${DHCP_PROG}) ]] |
590 | then |
591 | rc_print "Stopping the dhcp-daemon ..." |
592 | ${CURS_UP} |
593 | ${SET_WWCOL} |
594 | rc_echo "[$(basename ${DHCP_PROG})]" |
595 | ${DHCP_PROG} ${DHCP_STOP} "${iface}" |
596 | evaluate_retval |
597 | fi |
598 | |
599 | # shutdown wpa_supplicant daemon |
600 | if [[ -n $(pidof wpa_supplicant) ]] |
601 | then |
602 | killall wpa_supplicant |
603 | fi |
604 | done |
605 | |
606 | # remove state dir |
607 | if [ -d /var/run/wpa_supplicant ] |
608 | then |
609 | rm -rf /var/run/wpa_supplicant |
610 | fi |
611 | |
612 | # delete user routes |
613 | config_routes del |
614 | } |
615 | |
616 | case $1 in |
617 | start) |
618 | networking_start $2 |
619 | update_svcstatus $1 |
620 | splash svc_started "$(basename $0)" 0 |
621 | ;; |
622 | |
623 | stop) |
624 | networking_stop $2 |
625 | update_svcstatus $1 |
626 | splash svc_stopped "$(basename $0)" 0 |
627 | ;; |
628 | |
629 | restart) |
630 | $0 stop |
631 | sleep 1 |
632 | $0 start |
633 | ;; |
634 | |
635 | *) |
636 | rc_echo "Usage: $0 {start|stop|restart} [interface]" |
637 | exit 1 |
638 | ;; |
639 | esac |