Contents of /trunk/busybox-initscripts/rc/network
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Fri Jan 28 19:27:38 2011 UTC (13 years, 8 months ago) by niro
File size: 13332 byte(s)
Fri Jan 28 19:27:38 2011 UTC (13 years, 8 months ago) by niro
File size: 13332 byte(s)
-fixed arguments
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 | if [[ $(read_value ONBOOT ${file}) = yes ]] |
135 | then |
136 | iface="$(basename ${file} | sed s/net.//)" |
137 | # exclude backup files and exclude net.routes too |
138 | case "${iface}" in |
139 | *~) ;; |
140 | */net.routes) ;; |
141 | *) devices="${devices} $(basename ${file} | sed s/net.//)" ;; |
142 | esac |
143 | fi |
144 | done |
145 | |
146 | echo "${devices}" |
147 | } |
148 | |
149 | config_wireless_wep() |
150 | { |
151 | local iface="$1" |
152 | |
153 | if [[ -z ${iface} ]] |
154 | then |
155 | rc_echo "WEP: no \$iface given. Aborting setup." |
156 | return 1 |
157 | fi |
158 | |
159 | ${CURS_UP} |
160 | ${SET_WWCOL} |
161 | rc_echo "[AUTH: WEP]" |
162 | |
163 | iwconfig "${iface}" enc on |
164 | [[ -n ${WIRELESS_KEY_LENGTH} ]] && iwconfig "${iface}" enc "${WIRELESS_KEY_LENGTH}" |
165 | [[ -n ${WIRELESS_KEY} ]] && iwconfig "${iface}" key "${WIRELESS_KEY}" |
166 | [[ -n ${WIRELESS_KEY_ASCII} ]] && iwconfig "${iface}" key s:"${WIRELESS_KEY_ASCII}" |
167 | } |
168 | |
169 | config_wireless_wpa() |
170 | { |
171 | local iface="$1" |
172 | |
173 | if [[ -z ${iface} ]] |
174 | then |
175 | rc_echo "WPA: no \$iface given. Aborting setup." |
176 | return 1 |
177 | fi |
178 | |
179 | if [ ! -x /sbin/wpa_supplicant ] |
180 | then |
181 | rc_echo "WPA: wpa_supplicant not installed. Aborting setup." |
182 | return 1 |
183 | fi |
184 | |
185 | ${CURS_UP} |
186 | ${SET_WWCOL} |
187 | rc_echo "[AUTH: WPA]" |
188 | |
189 | # get default settings |
190 | [[ -f /etc/conf.d/wpa_supplicant ]] && source /etc/conf.d/wpa_supplicant |
191 | |
192 | # check the configuration |
193 | [[ -z ${WIRELESS_WPA_CONFIG} ]] && WIRELESS_WPA_CONFIG=/etc/wpa_supplicant.auto |
194 | [[ -z ${WIRELESS_WPA_SKEL} ]] && WIRELESS_WPA_SKEL=/etc/conf.d/wpa_supplicant.skel |
195 | |
196 | # use wext as default driver, do not abort here anymore |
197 | [[ -z ${WIRELESS_WPA_DRIVER} ]] && WIRELESS_WPA_DRIVER=wext |
198 | |
199 | # write a config with the settings from net.${iface} |
200 | # only wpa-psk ! all other needs manual setup |
201 | if [[ ${WIRELESS_WPA_AUTOCONF} = true ]] |
202 | then |
203 | # write default cfg from skeleton |
204 | cat ${WIRELESS_WPA_SKEL} > ${WIRELESS_WPA_CONFIG} |
205 | |
206 | local wpa_proto |
207 | case ${WIRELESS_AUTH_MODE} in |
208 | wpa) wpa_proto="WPA" ;; |
209 | wpa2) wpa_proto="WPA2" ;; |
210 | esac |
211 | |
212 | # setup the network entry |
213 | sed -i -e "s:@WIRELESS_ESSID@:${WIRELESS_ESSID}:g" \ |
214 | -e "s:@WIRELESS_KEY@:${WIRELESS_KEY_ASCII}:g" \ |
215 | -e "s:@WIRELESS_AUTH_MODE@:${wpa_proto}:g" \ |
216 | ${WIRELESS_WPA_CONFIG} |
217 | fi |
218 | |
219 | # remove old state dir |
220 | [ -d /var/run/wpa_supplicant ] && rm -rf /var/run/wpa_supplicant |
221 | |
222 | # now run the wpa_supplicant dameon |
223 | wpa_supplicant -B \ |
224 | -D"${WIRELESS_WPA_DRIVER}" \ |
225 | -c"${WIRELESS_WPA_CONFIG}" \ |
226 | -i"${iface}" \ |
227 | ${WIRELESS_WPA_OPTS} |
228 | |
229 | # echo wait 5 seconds |
230 | rc_echo " Waiting 5 seconds to retrieve authentification reply ... " |
231 | sleep 5 |
232 | } |
233 | |
234 | setup_wireless_extensions() |
235 | { |
236 | local iface="$1" |
237 | |
238 | if [[ -z ${iface} ]] |
239 | then |
240 | rc_echo "WIRELESS_EXTENSIONS: no \$iface given. Aborting setup." |
241 | return 1 |
242 | fi |
243 | |
244 | if [[ -n ${WIRELESS_BITRATE} ]] || |
245 | [[ -n ${WIRELESS_CHANNEL} ]] || |
246 | [[ -n ${WIRELESS_ESSID} ]] || |
247 | [[ -n ${WIRELESS_FREQUENCY} ]] || |
248 | [[ -n ${WIRELESS_MODE} ]] || |
249 | [[ -n ${WIRELESS_NICK} ]] || |
250 | [[ -n ${WIRELESS_AUTH_MODE} ]] |
251 | then |
252 | rc_print "Setting up wlan-ext for ${COLBLUE}${iface}${COLDEFAULT} ... " |
253 | fi |
254 | |
255 | [[ -n ${WIRELESS_BITRATE} ]] && iwconfig "${iface}" rate "${WIRELESS_BITRATE}" |
256 | [[ -n ${WIRELESS_CHANNEL} ]] && iwconfig "${iface}" channel "${WIRELESS_CHANNEL}" |
257 | [[ -n ${WIRELESS_ESSID} ]] && iwconfig "${iface}" essid "${WIRELESS_ESSID}" |
258 | [[ -n ${WIRELESS_FREQUENCY} ]] && iwconfig "${iface}" freq "${WIRELESS_FREQUENCY}" |
259 | [[ -n ${WIRELESS_MODE} ]] && iwconfig "${iface}" mode "${WIRELESS_MODE}" |
260 | [[ -n ${WIRELESS_NICK} ]] && iwconfig "${iface}" nick "${WIRELESS_NICK}" |
261 | |
262 | case "${WIRELESS_AUTH_MODE}" in |
263 | wpa|wpa2) config_wireless_wpa "${iface}" ;; |
264 | wep|on) config_wireless_wep "${iface}" ;; |
265 | off) iwconfig "${iface}" enc off ;; |
266 | esac |
267 | } |
268 | |
269 | config_bridge_options() |
270 | { |
271 | local iface="$1" |
272 | local i |
273 | local port |
274 | local cost |
275 | local prio |
276 | |
277 | # enable spanning-tree protocol |
278 | case ${BRIDGE_STP} in |
279 | on|off) brctl stp "${iface}" "${BRIDGE_STP}" ;; |
280 | *) rc_echo "BRIDGE: unkown value \$BRIDGE_STP='$BRIDGE_STP'."; return 1 ;; |
281 | esac |
282 | |
283 | # configure ageing time |
284 | if [[ ! -z ${BRIDGE_AGEING_TIME} ]] |
285 | then |
286 | brctl setageing "${iface}" "${BRIDGE_AGEING_TIME}" |
287 | fi |
288 | |
289 | # configure bridge priority |
290 | if [[ ! -z ${BRIDGE_PRIORITY} ]] |
291 | then |
292 | brctl setbridgeprio "${iface}" "${BRIDGE_PRIORITY}" |
293 | fi |
294 | |
295 | # configure forward delay |
296 | if [[ ! -z ${BRIDGE_FORWARD_DELAY} ]] |
297 | then |
298 | brctl setfd "${iface}" "${BRIDGE_FORWARD_DELAY}" |
299 | fi |
300 | |
301 | # configure hello time |
302 | if [[ ! -z ${BRIDGE_HELLO_TIME} ]] |
303 | then |
304 | brctl sethello "${iface}" "${BRIDGE_HELLO_TIME}" |
305 | fi |
306 | |
307 | # configure maximal message age |
308 | if [[ ! -z ${BRIDGE_MAX_MESSAGE_AGE} ]] |
309 | then |
310 | brctl setmaxage "${iface}" "${BRIDGE_MAX_MESSAGE_AGE}" |
311 | fi |
312 | |
313 | # configure path cost for every port |
314 | if [[ ! -z ${BRIDGE_PATH_COST} ]] |
315 | then |
316 | for i in ${BRIDGE_PATH_COST} |
317 | do |
318 | port="${i%=*}" |
319 | cost="${i#*=}" |
320 | [[ ! -z ${port} ]] && brctl pathcost "${iface}" "${port}" "${cost}" |
321 | done |
322 | fi |
323 | |
324 | # configure port priority for every port |
325 | if [[ ! -z ${BRIDGE_PORT_PRIORITY} ]] |
326 | then |
327 | for i in ${BRIDGE_PORT_PRIORITY} |
328 | do |
329 | port="${i%=*}" |
330 | prio="${i#*=}" |
331 | [[ ! -z ${port} ]] && brctl setportprio "${iface}" "${port}" "${prio}" |
332 | done |
333 | fi |
334 | } |
335 | |
336 | config_bridge_devices() |
337 | { |
338 | local iface="$1" |
339 | local method="$2" |
340 | local bport |
341 | |
342 | if [[ -z ${iface} ]] |
343 | then |
344 | rc_echo "BRIDGE: no \$iface given. Aborting setup." |
345 | return 1 |
346 | fi |
347 | |
348 | if [[ -z ${method} ]] |
349 | then |
350 | rc_echo "BRIDGE: no \$method given. Aborting setup." |
351 | return 1 |
352 | fi |
353 | |
354 | # first check for brctl |
355 | if [[ -z $(which brctl) ]] |
356 | then |
357 | rc_echo "brctl not found! Please install 'net-misc/bridge-utils'." |
358 | return 1 |
359 | fi |
360 | |
361 | # check the config |
362 | if [[ -z ${BRIDGE_INTERFACES} ]] |
363 | then |
364 | rc_echo "BRIDGE: no \$BRIDGE_INTERFACES given. Aborting setup." |
365 | return 1 |
366 | fi |
367 | |
368 | case ${method} in |
369 | add) |
370 | # setup the bridge device |
371 | brctl addbr "${iface}" |
372 | for bport in ${BRIDGE_INTERFACES} |
373 | do |
374 | # enter promiscous mode |
375 | ifconfig "${bport}" 0.0.0.0 promisc |
376 | # now setup the bridge |
377 | brctl addif "${iface}" "${bport}" |
378 | done |
379 | # configure all other options |
380 | config_bridge_options "${iface}" |
381 | ;; |
382 | |
383 | remove) |
384 | for bport in ${BRIDGE_INTERFACE} |
385 | do |
386 | # bring the interface down |
387 | ifconfig "${bport}" down |
388 | # remove the interface from the bridge |
389 | brctl delif "${iface}" "${bport}" |
390 | done |
391 | # bring the bridge down |
392 | brctl delbr "${iface}" |
393 | ;; |
394 | esac |
395 | |
396 | # unset the bridge variable to be safe |
397 | unset BRIDGE_INTERFACES |
398 | # continue to setup generic networking |
399 | } |
400 | |
401 | config_routes() |
402 | { |
403 | local method="$1" |
404 | local message |
405 | |
406 | # only add and del are allowed |
407 | case ${method} in |
408 | add) message="Adding route ${COLBLUE}${route}${COLDEFAULT} ..." ;; |
409 | del) message="Removing route ${COLBLUE}${route}${COLDEFAULT} ..." ;; |
410 | *) |
411 | rc_echo "config_routes: unsupported \$method '${method}'." |
412 | exit 1 |
413 | ;; |
414 | esac |
415 | |
416 | # adds/delete user routes |
417 | if [[ -f /etc/conf.d/net.routes ]] |
418 | then |
419 | ( cat /etc/conf.d/net.routes; echo ) | # make sure there is a LF at the end |
420 | while read route |
421 | do |
422 | case "${route}" in |
423 | \#*|"") continue ;; |
424 | esac |
425 | rc_print "${message}" |
426 | route "${method}" "${route}" |
427 | evaluate_retval |
428 | done |
429 | fi |
430 | } |
431 | |
432 | networking_start() |
433 | { |
434 | local iface dns routes ALL_INTERFACES |
435 | |
436 | if [[ -z $1 ]] |
437 | then |
438 | ALL_INTERFACES=$(onboot_interface_list ${rc_network_settings}/net.*) |
439 | else |
440 | if [[ -e ${rc_network_settings}/net.$1 ]] |
441 | then |
442 | ALL_INTERFACES="$1" |
443 | else |
444 | ${FAILURE} |
445 | rc_echo "Interface $1 does not exist. Aborting" |
446 | ${NORMAL} |
447 | exit 1 |
448 | fi |
449 | fi |
450 | |
451 | # get list of all devices |
452 | for iface in ${ALL_INTERFACES} |
453 | do |
454 | # checkconfig |
455 | source ${rc_network_settings}/net.${iface} || exit 1 |
456 | checkconfig |
457 | |
458 | # setup mac |
459 | if [[ -n ${FORCE_MAC_TO} ]] |
460 | then |
461 | rc_print "Faking MAC to ${FORCE_MAC_TO} for ${COLBLUE}${iface}${COLDEFAULT} ... " |
462 | ifconfig "${iface}" hw ether "${FORCE_MAC_TO}" |
463 | evaluate_retval |
464 | fi |
465 | |
466 | # setup bridges |
467 | if [[ ${iface} = br[0-9]* ]] |
468 | then |
469 | config_bridge_devices "${iface}" add |
470 | fi |
471 | |
472 | # now configure wireless_extensions |
473 | [ -x /usr/sbin/iwconfig ] && setup_wireless_extensions "${iface}" |
474 | |
475 | rc_print "Bringing up interface ${COLBLUE}${iface}${COLDEFAULT} ..." |
476 | |
477 | # activate the interface |
478 | ifconfig "${iface}" up |
479 | |
480 | # setup static or dhcp |
481 | case ${NETWORKING} in |
482 | dhcp|DHCP) |
483 | ${CURS_UP} |
484 | ${SET_WWCOL} |
485 | rc_echo "[DHCP]" |
486 | loadproc "${DHCP_PROG}" "${DHCP_START}" "${iface}" |
487 | ;; |
488 | static|STATIC) |
489 | ${CURS_UP} |
490 | ${SET_WWCOL} |
491 | rc_echo "[STATIC]" |
492 | ifconfig "${iface}" "${IP}" netmask "${NETMASK}" broadcast "${BROADCAST}" |
493 | evaluate_retval |
494 | ;; |
495 | esac |
496 | |
497 | # setup def gw |
498 | if [[ -n ${GATEWAY} ]] |
499 | then |
500 | rc_print "Setting up default gateway for ${COLBLUE}${iface}${COLDEFAULT} ..." |
501 | route add default gateway "${GATEWAY}" metric 1 dev "${iface}" |
502 | evaluate_retval |
503 | |
504 | unset GATEWAY |
505 | fi |
506 | |
507 | # setup /etc/resolv.conf |
508 | # add given nameserver |
509 | if [[ -n ${NAMESERVER} ]] |
510 | then |
511 | rc_print "Setting up all nameserver for ${COLBLUE}${iface}${COLDEFAULT} ..." |
512 | |
513 | # whipe out the old one |
514 | echo "# Generated by the magellan-initscripts for ${iface}" > /etc/resolv.conf |
515 | # include head |
516 | if [ -f /etc/resolv.conf.head ] |
517 | then |
518 | cat /etc/resolv.conf.head >> /etc/resolv.conf |
519 | else |
520 | echo "# /etc/resolv.conf.head can replace this line" >> /etc/resolv.conf |
521 | fi |
522 | |
523 | for dns in ${NAMESERVER} |
524 | do |
525 | echo "nameserver ${dns}" >> /etc/resolv.conf |
526 | done |
527 | |
528 | # include tail |
529 | if [ -f /etc/resolv.conf.tail ] |
530 | then |
531 | cat /etc/resolv.conf.tail >> /etc/resolv.conf |
532 | else |
533 | echo "# /etc/resolv.conf.tail can replace this line" >> /etc/resolv.conf |
534 | fi |
535 | |
536 | unset NAMESERVER |
537 | fi |
538 | done |
539 | |
540 | # setup user routes |
541 | config_routes add |
542 | } |
543 | |
544 | networking_stop() |
545 | { |
546 | if [[ -z $1 ]] |
547 | then |
548 | ALL_INTERFACES=$(onboot_interface_list ${rc_network_settings}/net.*) |
549 | else |
550 | if [[ -e ${rc_network_settings}/net.$1 ]] |
551 | then |
552 | ALL_INTERFACES="$1" |
553 | else |
554 | ${FAILURE} |
555 | rc_echo "Interface $1 does not exist. Aborting" |
556 | ${NORMAL} |
557 | exit 1 |
558 | fi |
559 | fi |
560 | |
561 | # get list of all devices |
562 | for iface in ${ALL_INTERFACES} |
563 | do |
564 | source ${rc_network_settings}/net.${iface} || exit 1 |
565 | checkconfig |
566 | |
567 | if [[ -n ${GATEWAY} ]] |
568 | then |
569 | rc_print "Removing default gateway ..." |
570 | route del -net default |
571 | evaluate_retval |
572 | fi |
573 | |
574 | rc_print "Bringing down interface ${COLBLUE}${iface}${COLDEFAULT} ..." |
575 | ifconfig "${iface}" down |
576 | evaluate_retval |
577 | |
578 | # remove bridges |
579 | if [[ ${iface} = br[0-9]* ]] |
580 | then |
581 | config_bridge_devices "${iface}" remove |
582 | fi |
583 | |
584 | # shutdown dhcp-daemon |
585 | if [[ ${NETWORKING} = dhcp ]] && [[ -n $(pidof ${DHCP_PROG}) ]] |
586 | then |
587 | rc_print "Stopping the dhcp-daemon ..." |
588 | ${CURS_UP} |
589 | ${SET_WWCOL} |
590 | rc_echo "[$(basename ${DHCP_PROG})]" |
591 | ${DHCP_PROG} ${DHCP_STOP} "${iface}" |
592 | evaluate_retval |
593 | fi |
594 | |
595 | # shutdown wpa_supplicant daemon |
596 | if [[ -n $(pidof wpa_supplicant) ]] |
597 | then |
598 | killall wpa_supplicant |
599 | fi |
600 | done |
601 | |
602 | # remove state dir |
603 | if [ -d /var/run/wpa_supplicant ] |
604 | then |
605 | rm -rf /var/run/wpa_supplicant |
606 | fi |
607 | |
608 | # delete user routes |
609 | config_routes del |
610 | } |
611 | |
612 | case $1 in |
613 | start) |
614 | networking_start $2 |
615 | update_svcstatus $1 |
616 | splash svc_started "$(basename $0)" 0 |
617 | ;; |
618 | |
619 | stop) |
620 | networking_stop $2 |
621 | update_svcstatus $1 |
622 | splash svc_stopped "$(basename $0)" 0 |
623 | ;; |
624 | |
625 | restart) |
626 | $0 stop |
627 | sleep 1 |
628 | $0 start |
629 | ;; |
630 | |
631 | *) |
632 | rc_echo "Usage: $0 {start|stop|restart} [interface]" |
633 | exit 1 |
634 | ;; |
635 | esac |