Annotation of /trunk/initscripts/systemd/units/scripts/network.sh
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Revision 2305 -
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Thu Jan 2 13:28:42 2014 UTC (10 years, 5 months ago) by niro
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Thu Jan 2 13:28:42 2014 UTC (10 years, 5 months ago) by niro
File MIME type: application/x-sh
File size: 12200 byte(s)
-network: wait for interface to come up and removed udev-settle dependency from systemd service, which is not needed anymore. this speeds things up and make networking more fail-safe
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 | 2305 | wait_online() |
9 | { | ||
10 | local timeout="1" | ||
11 | local iface="$2" | ||
12 | |||
13 | (( timeout *= 10 )) | ||
14 | |||
15 | while [ ! -e /sys/class/net/${iface} ] | ||
16 | do | ||
17 | (( timeout-- > 0 )) || return 1 | ||
18 | sleep 0.1 | ||
19 | done | ||
20 | |||
21 | return 0 | ||
22 | } | ||
23 | |||
24 | niro | 1378 | # read values from files |
25 | read_value() | ||
26 | { | ||
27 | local var="$1" | ||
28 | local file="$2" | ||
29 | local value | ||
30 | |||
31 | # local all possible vars | ||
32 | # global | ||
33 | local ONBOOT | ||
34 | local NETWORKING | ||
35 | |||
36 | # static | ||
37 | local IP | ||
38 | local NETMASK | ||
39 | local BROADCAST | ||
40 | local NETWORKING | ||
41 | local FORCE_MAC_TO | ||
42 | |||
43 | # dhcp | ||
44 | local DHCP_PROG | ||
45 | local DHCP_START | ||
46 | local DHCP_STOP | ||
47 | |||
48 | # default gw | ||
49 | local GATEWAY | ||
50 | local GATEWAY_IF | ||
51 | |||
52 | # wireless extensions | ||
53 | local WIRELESS_AP | ||
54 | local WIRELESS_AUTH_MODE | ||
55 | local WIRELESS_BITRATE | ||
56 | local WIRELESS_CHANNEL | ||
57 | local WIRELESS_DEFAULT_KEY | ||
58 | local WIRELESS_ESSID | ||
59 | local WIRELESS_FREQUENCY | ||
60 | local WIRELESS_KEY | ||
61 | local WIRELESS_KEY_ASCII | ||
62 | local WIRELESS_KEY_0 | ||
63 | local WIRELESS_KEY_1 | ||
64 | local WIRELESS_KEY_2 | ||
65 | local WIRELESS_KEY_3 | ||
66 | local WIRELESS_KEY_LENGTH | ||
67 | local WIRELESS_MODE | ||
68 | local WIRELESS_NICK | ||
69 | local WIRELESS_NWID | ||
70 | local WIRELESS_POWER | ||
71 | local WIRELESS_WPA_DRIVER | ||
72 | |||
73 | local BRIDGE_INTERFACES | ||
74 | local BRIDGE_STP | ||
75 | local BRIDGE_AGEING_TIME | ||
76 | local BRIDGE_PRIORITY | ||
77 | local BRIDGE_FORWARD_DELAY | ||
78 | local BRIDGE_HELLO_TIME | ||
79 | local BRIDGE_MAX_MESSAGE_AGE | ||
80 | local BRIDGE_PATH_COST | ||
81 | local BRIDGE_PORT_PRIORITY | ||
82 | |||
83 | source ${file} | ||
84 | eval value=\$$(echo ${var}) | ||
85 | echo "${value}" | ||
86 | } | ||
87 | |||
88 | checkconfig() | ||
89 | { | ||
90 | if [[ -z ${NETWORKING} ]] | ||
91 | then | ||
92 | echo "NETWORKING missing in net.${iface}, aborted" | ||
93 | exit 1 | ||
94 | fi | ||
95 | |||
96 | case "${NETWORKING}" in | ||
97 | static) | ||
98 | if [[ -z ${IP} ]] | ||
99 | then | ||
100 | echo "IP missing in net.${iface}, aborted" | ||
101 | exit 1 | ||
102 | fi | ||
103 | |||
104 | if [[ -z ${NETMASK} ]] | ||
105 | then | ||
106 | echo -n "NETMASK missing in net.${iface}, " | ||
107 | niro | 1382 | echo "using ${DEFAULT_NETMASK}" |
108 | NETMASK="${DEFAULT_NETMASK}" | ||
109 | niro | 1378 | fi |
110 | |||
111 | if [[ -z ${BROADCAST} ]] | ||
112 | then | ||
113 | echo -n "BROADCAST missing in net.${iface}, " | ||
114 | echo "using default address" | ||
115 | fi | ||
116 | ;; | ||
117 | |||
118 | dhcp) | ||
119 | if [[ -z ${DHCP_PROG} ]] | ||
120 | then | ||
121 | echo -n "DHCP_PROG missing in net.${iface}," | ||
122 | niro | 1382 | echo "using default programm ${DEFAULT_DHCP_PROG}" |
123 | DHCP_PROG="${DEFAULT_DHCP_PROG}" | ||
124 | niro | 1378 | fi |
125 | niro | 1382 | [[ -z ${DHCP_START} ]] && DHCP_START="${DEFAULT_DHCP_START}" |
126 | [[ -z ${DHCP_STOP} ]] && DHCP_STOP="${DEFAULT_DHCP_STOP}" | ||
127 | niro | 1378 | ;; |
128 | |||
129 | esac | ||
130 | } | ||
131 | |||
132 | # onboot_interface_list /path/to/files* | ||
133 | onboot_interface_list() | ||
134 | { | ||
135 | local file | ||
136 | local devices | ||
137 | local iface | ||
138 | |||
139 | # get list of all devices | ||
140 | for file in $@ | ||
141 | do | ||
142 | iface="$(basename ${file} | sed s/net.//)" | ||
143 | |||
144 | # exclude backup files and exclude net.routes and net.sample too | ||
145 | case "${iface}" in | ||
146 | *~) continue ;; | ||
147 | routes) continue ;; | ||
148 | sample) continue ;; | ||
149 | esac | ||
150 | |||
151 | if [[ $(read_value ONBOOT ${file}) = yes ]] | ||
152 | then | ||
153 | devices="${devices} ${iface}" | ||
154 | fi | ||
155 | done | ||
156 | |||
157 | echo "${devices}" | ||
158 | } | ||
159 | |||
160 | config_wireless_wep() | ||
161 | { | ||
162 | local iface="$1" | ||
163 | |||
164 | if [[ -z ${iface} ]] | ||
165 | then | ||
166 | echo "WEP: no \$iface given. Aborting setup." | ||
167 | return 1 | ||
168 | fi | ||
169 | |||
170 | iwconfig "${iface}" enc on | ||
171 | [[ -n ${WIRELESS_KEY_LENGTH} ]] && iwconfig "${iface}" enc "${WIRELESS_KEY_LENGTH}" | ||
172 | [[ -n ${WIRELESS_KEY} ]] && iwconfig "${iface}" key "${WIRELESS_KEY}" | ||
173 | [[ -n ${WIRELESS_KEY_ASCII} ]] && iwconfig "${iface}" key s:"${WIRELESS_KEY_ASCII}" | ||
174 | } | ||
175 | |||
176 | config_wireless_wpa() | ||
177 | { | ||
178 | local iface="$1" | ||
179 | |||
180 | if [[ -z ${iface} ]] | ||
181 | then | ||
182 | echo "WPA: no \$iface given. Aborting setup." | ||
183 | return 1 | ||
184 | fi | ||
185 | |||
186 | niro | 2063 | if [ ! -x $(type -P wpa_supplicant) ] |
187 | niro | 1378 | then |
188 | echo "WPA: wpa_supplicant not installed. Aborting setup." | ||
189 | return 1 | ||
190 | fi | ||
191 | |||
192 | # get default settings | ||
193 | [[ -f /etc/conf.d/wpa_supplicant ]] && source /etc/conf.d/wpa_supplicant | ||
194 | |||
195 | # check the configuration | ||
196 | niro | 2031 | [[ -z ${WIRELESS_WPA_CONFIG} ]] && WIRELESS_WPA_CONFIG=/etc/wpa_supplicant/wpa_supplicant.auto |
197 | niro | 1378 | [[ -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 | ${WIRELESS_WPA_CONFIG} | ||
220 | fi | ||
221 | |||
222 | # remove old state dir | ||
223 | niro | 1665 | [ -d /run/wpa_supplicant ] && rm -rf /run/wpa_supplicant |
224 | niro | 1378 | |
225 | # now run the wpa_supplicant dameon | ||
226 | wpa_supplicant -B \ | ||
227 | -D"${WIRELESS_WPA_DRIVER}" \ | ||
228 | -c"${WIRELESS_WPA_CONFIG}" \ | ||
229 | -i"${iface}" \ | ||
230 | ${WIRELESS_WPA_OPTS} | ||
231 | |||
232 | # echo wait 5 seconds | ||
233 | 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 | echo "WIRELESS_EXTENSIONS: no \$iface given. Aborting setup." | ||
244 | return 1 | ||
245 | fi | ||
246 | |||
247 | [[ -n ${WIRELESS_BITRATE} ]] && iwconfig "${iface}" rate "${WIRELESS_BITRATE}" | ||
248 | [[ -n ${WIRELESS_CHANNEL} ]] && iwconfig "${iface}" channel "${WIRELESS_CHANNEL}" | ||
249 | [[ -n ${WIRELESS_ESSID} ]] && iwconfig "${iface}" essid "${WIRELESS_ESSID}" | ||
250 | [[ -n ${WIRELESS_FREQUENCY} ]] && iwconfig "${iface}" freq "${WIRELESS_FREQUENCY}" | ||
251 | [[ -n ${WIRELESS_MODE} ]] && iwconfig "${iface}" mode "${WIRELESS_MODE}" | ||
252 | [[ -n ${WIRELESS_NICK} ]] && iwconfig "${iface}" nick "${WIRELESS_NICK}" | ||
253 | |||
254 | case "${WIRELESS_AUTH_MODE}" in | ||
255 | wpa|wpa2) config_wireless_wpa "${iface}" ;; | ||
256 | wep|on) config_wireless_wep "${iface}" ;; | ||
257 | off) iwconfig "${iface}" enc off ;; | ||
258 | esac | ||
259 | } | ||
260 | |||
261 | config_bridge_options() | ||
262 | { | ||
263 | local iface="$1" | ||
264 | local i | ||
265 | local port | ||
266 | local cost | ||
267 | local prio | ||
268 | |||
269 | # enable spanning-tree protocol | ||
270 | case ${BRIDGE_STP} in | ||
271 | on|off) brctl stp "${iface}" "${BRIDGE_STP}" ;; | ||
272 | *) echo "BRIDGE: unkown value \$BRIDGE_STP='$BRIDGE_STP'."; return 1 ;; | ||
273 | esac | ||
274 | |||
275 | # configure ageing time | ||
276 | if [[ ! -z ${BRIDGE_AGEING_TIME} ]] | ||
277 | then | ||
278 | brctl setageing "${iface}" "${BRIDGE_AGEING_TIME}" | ||
279 | fi | ||
280 | |||
281 | # configure bridge priority | ||
282 | if [[ ! -z ${BRIDGE_PRIORITY} ]] | ||
283 | then | ||
284 | brctl setbridgeprio "${iface}" "${BRIDGE_PRIORITY}" | ||
285 | fi | ||
286 | |||
287 | # configure forward delay | ||
288 | if [[ ! -z ${BRIDGE_FORWARD_DELAY} ]] | ||
289 | then | ||
290 | brctl setfd "${iface}" "${BRIDGE_FORWARD_DELAY}" | ||
291 | fi | ||
292 | |||
293 | # configure hello time | ||
294 | if [[ ! -z ${BRIDGE_HELLO_TIME} ]] | ||
295 | then | ||
296 | brctl sethello "${iface}" "${BRIDGE_HELLO_TIME}" | ||
297 | fi | ||
298 | |||
299 | # configure maximal message age | ||
300 | if [[ ! -z ${BRIDGE_MAX_MESSAGE_AGE} ]] | ||
301 | then | ||
302 | brctl setmaxage "${iface}" "${BRIDGE_MAX_MESSAGE_AGE}" | ||
303 | fi | ||
304 | |||
305 | # configure path cost for every port | ||
306 | if [[ ! -z ${BRIDGE_PATH_COST} ]] | ||
307 | then | ||
308 | for i in ${BRIDGE_PATH_COST} | ||
309 | do | ||
310 | port="${i%=*}" | ||
311 | cost="${i#*=}" | ||
312 | [[ ! -z ${port} ]] && brctl pathcost "${iface}" "${port}" "${cost}" | ||
313 | done | ||
314 | fi | ||
315 | |||
316 | # configure port priority for every port | ||
317 | if [[ ! -z ${BRIDGE_PORT_PRIORITY} ]] | ||
318 | then | ||
319 | for i in ${BRIDGE_PORT_PRIORITY} | ||
320 | do | ||
321 | port="${i%=*}" | ||
322 | prio="${i#*=}" | ||
323 | [[ ! -z ${port} ]] && brctl setportprio "${iface}" "${port}" "${prio}" | ||
324 | done | ||
325 | fi | ||
326 | } | ||
327 | |||
328 | config_bridge_devices() | ||
329 | { | ||
330 | local iface="$1" | ||
331 | local method="$2" | ||
332 | local bport | ||
333 | |||
334 | if [[ -z ${iface} ]] | ||
335 | then | ||
336 | echo "BRIDGE: no \$iface given. Aborting setup." | ||
337 | return 1 | ||
338 | fi | ||
339 | |||
340 | if [[ -z ${method} ]] | ||
341 | then | ||
342 | echo "BRIDGE: no \$method given. Aborting setup." | ||
343 | return 1 | ||
344 | fi | ||
345 | |||
346 | # first check for brctl | ||
347 | niro | 2030 | if [[ -z $(type -P brctl) ]] |
348 | niro | 1378 | then |
349 | echo "brctl not found! Please install 'net-misc/bridge-utils'." | ||
350 | return 1 | ||
351 | fi | ||
352 | |||
353 | # check the config | ||
354 | if [[ -z ${BRIDGE_INTERFACES} ]] | ||
355 | then | ||
356 | echo "BRIDGE: no \$BRIDGE_INTERFACES given. Aborting setup." | ||
357 | return 1 | ||
358 | fi | ||
359 | |||
360 | case ${method} in | ||
361 | add) | ||
362 | # setup the bridge device | ||
363 | brctl addbr "${iface}" | ||
364 | for bport in ${BRIDGE_INTERFACES} | ||
365 | do | ||
366 | # enter promiscous mode | ||
367 | ifconfig "${bport}" 0.0.0.0 promisc | ||
368 | # now setup the bridge | ||
369 | brctl addif "${iface}" "${bport}" | ||
370 | done | ||
371 | # configure all other options | ||
372 | config_bridge_options "${iface}" | ||
373 | ;; | ||
374 | |||
375 | remove) | ||
376 | for bport in ${BRIDGE_INTERFACE} | ||
377 | do | ||
378 | # bring the interface down | ||
379 | ifconfig "${bport}" down | ||
380 | # remove the interface from the bridge | ||
381 | brctl delif "${iface}" "${bport}" | ||
382 | done | ||
383 | # bring the bridge down | ||
384 | brctl delbr "${iface}" | ||
385 | ;; | ||
386 | esac | ||
387 | |||
388 | # unset the bridge variable to be safe | ||
389 | unset BRIDGE_INTERFACES | ||
390 | # continue to setup generic networking | ||
391 | } | ||
392 | |||
393 | config_routes() | ||
394 | { | ||
395 | local method="$1" | ||
396 | local message | ||
397 | |||
398 | # only add and del are allowed | ||
399 | case ${method} in | ||
400 | add) message="Adding" ;; | ||
401 | del) message="Removing" ;; | ||
402 | *) | ||
403 | echo "config_routes: unsupported \$method '${method}'." | ||
404 | exit 1 | ||
405 | ;; | ||
406 | esac | ||
407 | |||
408 | # adds/delete user routes | ||
409 | if [[ -f /etc/conf.d/net.routes ]] | ||
410 | then | ||
411 | ( cat /etc/conf.d/net.routes; echo ) | # make sure there is a LF at the end | ||
412 | while read route | ||
413 | do | ||
414 | case "${route}" in | ||
415 | \#*|"") continue ;; | ||
416 | esac | ||
417 | # do not esacpe ${route} or it breaks! | ||
418 | route "${method}" ${route} | ||
419 | done | ||
420 | fi | ||
421 | } | ||
422 | |||
423 | networking_start() | ||
424 | { | ||
425 | local iface dns routes ALL_INTERFACES | ||
426 | |||
427 | if [[ -z $1 ]] | ||
428 | then | ||
429 | ALL_INTERFACES=$(onboot_interface_list /etc/conf.d/net.*) | ||
430 | else | ||
431 | if [[ -e /etc/conf.d/net.$1 ]] | ||
432 | then | ||
433 | ALL_INTERFACES="$1" | ||
434 | else | ||
435 | echo "Interface $1 does not exist. Aborting" | ||
436 | exit 1 | ||
437 | fi | ||
438 | fi | ||
439 | |||
440 | # get list of all devices | ||
441 | for iface in ${ALL_INTERFACES} | ||
442 | do | ||
443 | # checkconfig | ||
444 | source /etc/conf.d/net.${iface} || exit 1 | ||
445 | checkconfig | ||
446 | |||
447 | niro | 2305 | # wait until the device is created |
448 | wait_online 5 "${iface}" || { echo "device '${iface}' does not exist"; continue; } | ||
449 | |||
450 | niro | 1378 | # setup mac |
451 | if [[ -n ${FORCE_MAC_TO} ]] | ||
452 | then | ||
453 | ifconfig "${iface}" hw ether "${FORCE_MAC_TO}" | ||
454 | fi | ||
455 | |||
456 | # setup bridges | ||
457 | if [[ ${iface} = br[0-9]* ]] | ||
458 | then | ||
459 | config_bridge_devices "${iface}" add | ||
460 | fi | ||
461 | |||
462 | # now configure wireless_extensions | ||
463 | niro | 2101 | [ -x $(type -P iwconfig) ] && setup_wireless_extensions "${iface}" |
464 | niro | 1378 | |
465 | # activate the interface | ||
466 | ifconfig "${iface}" up | ||
467 | |||
468 | # setup static or dhcp | ||
469 | case ${NETWORKING} in | ||
470 | dhcp|DHCP) | ||
471 | ${DHCP_PROG} ${DHCP_START} "${iface}" ;; | ||
472 | static|STATIC) | ||
473 | ifconfig "${iface}" "${IP}" netmask "${NETMASK}" broadcast "${BROADCAST}" ;; | ||
474 | esac | ||
475 | |||
476 | # setup def gw | ||
477 | if [[ -n ${GATEWAY} ]] | ||
478 | then | ||
479 | route add default gateway "${GATEWAY}" metric 1 dev "${iface}" | ||
480 | unset GATEWAY | ||
481 | fi | ||
482 | |||
483 | # setup /etc/resolv.conf | ||
484 | # add given nameserver | ||
485 | if [[ -n ${NAMESERVER} ]] | ||
486 | then | ||
487 | # whipe out the old one | ||
488 | echo "# Generated by the magellan-initscripts for ${iface}" > /etc/resolv.conf | ||
489 | # include head | ||
490 | if [ -f /etc/resolv.conf.head ] | ||
491 | then | ||
492 | cat /etc/resolv.conf.head >> /etc/resolv.conf | ||
493 | else | ||
494 | echo "# /etc/resolv.conf.head can replace this line" >> /etc/resolv.conf | ||
495 | fi | ||
496 | |||
497 | for dns in ${NAMESERVER} | ||
498 | do | ||
499 | echo "nameserver ${dns}" >> /etc/resolv.conf | ||
500 | done | ||
501 | |||
502 | # include tail | ||
503 | if [ -f /etc/resolv.conf.tail ] | ||
504 | then | ||
505 | cat /etc/resolv.conf.tail >> /etc/resolv.conf | ||
506 | else | ||
507 | echo "# /etc/resolv.conf.tail can replace this line" >> /etc/resolv.conf | ||
508 | fi | ||
509 | |||
510 | unset NAMESERVER | ||
511 | fi | ||
512 | done | ||
513 | |||
514 | # setup user routes | ||
515 | config_routes add | ||
516 | } | ||
517 | |||
518 | networking_stop() | ||
519 | { | ||
520 | if [[ -z $1 ]] | ||
521 | then | ||
522 | ALL_INTERFACES=$(onboot_interface_list /etc/conf.d/net.*) | ||
523 | else | ||
524 | if [[ -e /etc/conf.d/net.$1 ]] | ||
525 | then | ||
526 | ALL_INTERFACES="$1" | ||
527 | else | ||
528 | echo "Interface $1 does not exist. Aborting" | ||
529 | exit 1 | ||
530 | fi | ||
531 | fi | ||
532 | |||
533 | # get list of all devices | ||
534 | for iface in ${ALL_INTERFACES} | ||
535 | do | ||
536 | source /etc/conf.d/net.${iface} || exit 1 | ||
537 | checkconfig | ||
538 | |||
539 | if [[ -n ${GATEWAY} ]] | ||
540 | then | ||
541 | route del -net default | ||
542 | fi | ||
543 | |||
544 | ifconfig "${iface}" down | ||
545 | |||
546 | # remove bridges | ||
547 | if [[ ${iface} = br[0-9]* ]] | ||
548 | then | ||
549 | config_bridge_devices "${iface}" remove | ||
550 | fi | ||
551 | |||
552 | # shutdown dhcp-daemon | ||
553 | if [[ ${NETWORKING} = dhcp ]] && [[ -n $(pidof $(basename ${DHCP_PROG})) ]] | ||
554 | then | ||
555 | if [[ -z ${DHCP_STOP} ]] | ||
556 | then | ||
557 | killall -15 ${DHCP_PROG} | ||
558 | sleep 1 | ||
559 | # try harder | ||
560 | if [[ -n $(pidof $(basename ${DHCP_PROG})) ]] | ||
561 | then | ||
562 | killall -9 ${DHCP_PROG} | ||
563 | fi | ||
564 | else | ||
565 | ${DHCP_PROG} ${DHCP_STOP} "${iface}" | ||
566 | fi | ||
567 | fi | ||
568 | |||
569 | # shutdown wpa_supplicant daemon | ||
570 | if [[ -n $(pidof wpa_supplicant) ]] | ||
571 | then | ||
572 | killall wpa_supplicant | ||
573 | fi | ||
574 | done | ||
575 | |||
576 | # remove state dir | ||
577 | niro | 1665 | if [ -d /run/wpa_supplicant ] |
578 | niro | 1378 | then |
579 | niro | 1665 | rm -rf /run/wpa_supplicant |
580 | niro | 1378 | fi |
581 | |||
582 | # delete user routes | ||
583 | config_routes del | ||
584 | } | ||
585 | |||
586 | case $1 in | ||
587 | start) | ||
588 | networking_start $2 ;; | ||
589 | |||
590 | stop) | ||
591 | networking_stop $2 ;; | ||
592 | |||
593 | restart) | ||
594 | $0 stop | ||
595 | sleep 1 | ||
596 | $0 start | ||
597 | ;; | ||
598 | |||
599 | *) | ||
600 | echo "Usage: $0 {start|stop|restart} [interface]" | ||
601 | exit 1 | ||
602 | ;; | ||
603 | esac |