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1 | #!/bin/bash | |
2 | ############################################################################### | |
3 | # # | |
4 | # IPFire.org - A linux based firewall # | |
5 | # Copyright (C) 2010 Michael Tremer & Christian Schmidt # | |
6 | # # | |
7 | # This program is free software: you can redistribute it and/or modify # | |
8 | # it under the terms of the GNU General Public License as published by # | |
9 | # the Free Software Foundation, either version 3 of the License, or # | |
10 | # (at your option) any later version. # | |
11 | # # | |
12 | # This program is distributed in the hope that it will be useful, # | |
13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of # | |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # | |
15 | # GNU General Public License for more details. # | |
16 | # # | |
17 | # You should have received a copy of the GNU General Public License # | |
18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. # | |
19 | # # | |
20 | ############################################################################### | |
21 | ||
22 | function devicify() { | |
23 | local device=${1} | |
24 | ||
25 | assert isset device | |
26 | ||
27 | if device_exists ${device}; then | |
28 | echo "${device}" | |
29 | return ${EXIT_OK} | |
30 | fi | |
31 | ||
32 | local d | |
33 | for d in $(devices_get_all); do | |
34 | if [ "$(device_get_address ${d})" = "${device}" ]; then | |
35 | echo "${d}" | |
36 | return ${EXIT_OK} | |
37 | fi | |
38 | done | |
39 | ||
40 | return ${EXIT_ERROR} | |
41 | } | |
42 | ||
43 | function macify() { | |
44 | local device=${1} | |
45 | ||
46 | assert isset device | |
47 | ||
48 | if mac_is_valid ${device}; then | |
49 | echo "${device}" | |
50 | return ${EXIT_OK} | |
51 | fi | |
52 | ||
53 | if device_exists ${device}; then | |
54 | device_get_address ${device} | |
55 | return ${EXIT_OK} | |
56 | fi | |
57 | ||
58 | return ${EXIT_ERROR} | |
59 | } | |
60 | ||
61 | # Check if the device exists | |
62 | function device_exists() { | |
63 | local device=${1} | |
64 | ||
65 | # If device name was not found, exit. | |
66 | [ -n "${device}" ] || return ${EXIT_ERROR} | |
67 | ||
68 | # Check for a normal network device. | |
69 | [ -d "${SYS_CLASS_NET}/${device}" ] && return ${EXIT_OK} | |
70 | ||
71 | # If the check above, did not find a result, | |
72 | # we check for serial devices. | |
73 | serial_exists ${device} | |
74 | } | |
75 | ||
76 | function device_has_flag() { | |
77 | local device=${1} | |
78 | local flag=${2} | |
79 | ||
80 | local flags=$(__device_get_file ${device} flags) | |
81 | ||
82 | if [[ "$(( ${flags} & ${flag} ))" -eq 0 ]]; then | |
83 | return ${EXIT_FALSE} | |
84 | else | |
85 | return ${EXIT_TRUE} | |
86 | fi | |
87 | } | |
88 | ||
89 | # Check if the device is up | |
90 | function device_is_up() { | |
91 | local device=${1} | |
92 | ||
93 | device_exists ${device} || return ${EXIT_ERROR} | |
94 | ||
95 | device_has_flag ${device} 0x1 | |
96 | } | |
97 | ||
98 | # Check if the device is a bonding device | |
99 | function device_is_bonding() { | |
100 | [ -d "/sys/class/net/${1}/bonding" ] | |
101 | } | |
102 | ||
103 | # Check if the device bonded in a bonding device | |
104 | function device_is_bonded() { | |
105 | local device=${1} | |
106 | ||
107 | [ -d "${SYS_CLASS_NET}/${device}/master" ] | |
108 | } | |
109 | ||
110 | # Check if the device is a bridge | |
111 | function device_is_bridge() { | |
112 | [ -d "/sys/class/net/${1}/bridge" ] | |
113 | } | |
114 | ||
115 | function device_is_bridge_attached() { | |
116 | local device=${1} | |
117 | ||
118 | [ -d "${SYS_CLASS_NET}/${device}/brport" ] | |
119 | } | |
120 | ||
121 | # Check if the device is a virtual device | |
122 | function device_is_virtual() { | |
123 | local device=${1} | |
124 | ||
125 | [ -e "/proc/net/vlan/${device}" ] | |
126 | } | |
127 | ||
128 | # Check if the device has virtual devices | |
129 | function device_has_virtuals() { | |
130 | local device=${1} | |
131 | ||
132 | if device_is_virtual ${device}; then | |
133 | return ${EXIT_FALSE} | |
134 | fi | |
135 | ||
136 | local virtuals=$(device_get_virtuals ${device}) | |
137 | [ -n "${virtuals}" ] && return ${EXIT_OK} || return ${EXIT_ERROR} | |
138 | } | |
139 | ||
140 | function device_get_virtuals() { | |
141 | local device=${1} | |
142 | ||
143 | local dev spacer1 id spacer2 parent | |
144 | while read dev spacer1 id spacer2 parent; do | |
145 | [ "${parent}" = "${device}" ] && echo "${dev}" | |
146 | done < /proc/net/vlan/config | sort | |
147 | } | |
148 | ||
149 | # Check if the device is a ppp device | |
150 | function device_is_ppp() { | |
151 | local device=${1} | |
152 | ||
153 | local type=$(__device_get_file ${device} type) | |
154 | ||
155 | [ "${type}" = "512" ] && return ${EXIT_OK} || return ${EXIT_ERROR} | |
156 | } | |
157 | ||
158 | # Check if the device is a pointopoint device. | |
159 | function device_is_ptp() { | |
160 | local device=${1} | |
161 | ||
162 | device_has_flag ${device} 0x10 | |
163 | } | |
164 | ||
165 | # Check if the device is a loopback device | |
166 | function device_is_loopback() { | |
167 | local device=${1} | |
168 | ||
169 | [ "${device}" = "lo" ] | |
170 | } | |
171 | ||
172 | # Check if the device is a wireless device | |
173 | function device_is_wireless() { | |
174 | local device=${1} | |
175 | ||
176 | [ -d "${SYS_CLASS_NET}/${device}/phy80211" ] | |
177 | } | |
178 | ||
179 | function device_is_serial() { | |
180 | serial_exists $@ | |
181 | } | |
182 | ||
183 | # Check if the device is a physical network interface | |
184 | function device_is_ethernet() { | |
185 | local device=${1} | |
186 | ||
187 | device_is_loopback ${device} && \ | |
188 | return ${EXIT_ERROR} | |
189 | ||
190 | device_is_bonding ${device} && \ | |
191 | return ${EXIT_ERROR} | |
192 | ||
193 | device_is_bridge ${device} && \ | |
194 | return ${EXIT_ERROR} | |
195 | ||
196 | device_is_ppp ${device} && \ | |
197 | return ${EXIT_ERROR} | |
198 | ||
199 | device_is_virtual ${device} && \ | |
200 | return ${EXIT_ERROR} | |
201 | ||
202 | [ "$(__device_get_file ${device} type)" != "1" ] && \ | |
203 | return ${EXIT_ERROR} | |
204 | ||
205 | return ${EXIT_OK} | |
206 | } | |
207 | ||
208 | # Get the device type | |
209 | function device_get_type() { | |
210 | local device=${1} | |
211 | ||
212 | if device_is_virtual ${device}; then | |
213 | echo "vlan" | |
214 | ||
215 | elif device_is_bonding ${device}; then | |
216 | echo "bonding" | |
217 | ||
218 | elif device_is_bridge ${device}; then | |
219 | echo "bridge" | |
220 | ||
221 | elif device_is_ppp ${device}; then | |
222 | echo "ppp" | |
223 | ||
224 | elif device_is_loopback ${device}; then | |
225 | echo "loopback" | |
226 | ||
227 | elif device_is_wireless ${device}; then | |
228 | echo "wireless" | |
229 | ||
230 | elif device_is_ethernet ${device}; then | |
231 | echo "ethernet" | |
232 | ||
233 | elif device_is_serial ${device}; then | |
234 | echo "serial" | |
235 | ||
236 | else | |
237 | echo "unknown" | |
238 | fi | |
239 | } | |
240 | ||
241 | function device_get_status() { | |
242 | local device=${1} | |
243 | assert isset device | |
244 | ||
245 | local status=${STATUS_DOWN} | |
246 | ||
247 | if device_is_up ${device}; then | |
248 | status=${STATUS_UP} | |
249 | ||
250 | if ! device_has_carrier ${device}; then | |
251 | status=${STATUS_NOCARRIER} | |
252 | fi | |
253 | fi | |
254 | ||
255 | echo "${status}" | |
256 | } | |
257 | ||
258 | function device_get_address() { | |
259 | local device=${1} | |
260 | ||
261 | cat ${SYS_CLASS_NET}/${device}/address 2>/dev/null | |
262 | } | |
263 | ||
264 | function device_set_address() { | |
265 | local device=${1} | |
266 | local addr=${2} | |
267 | ||
268 | if ! device_exists ${device}; then | |
269 | error "Device '${device}' does not exist." | |
270 | return ${EXIT_ERROR} | |
271 | fi | |
272 | ||
273 | log INFO "Setting address of '${device}' to '${addr}' - was $(device_get_address ${device})." | |
274 | ||
275 | local up | |
276 | if device_is_up ${device}; then | |
277 | device_set_down ${device} | |
278 | up=1 | |
279 | fi | |
280 | ||
281 | ip link set ${device} address ${addr} | |
282 | local ret=$? | |
283 | ||
284 | if [ "${up}" = "1" ]; then | |
285 | device_set_up ${device} | |
286 | fi | |
287 | ||
288 | if [ "${ret}" != "0" ]; then | |
289 | error_log "Could not set address '${addr}' on device '${device}'." | |
290 | fi | |
291 | ||
292 | return ${ret} | |
293 | } | |
294 | ||
295 | function device_get() { | |
296 | local device | |
297 | local devices | |
298 | ||
299 | for device in ${SYS_CLASS_NET}/*; do | |
300 | device=$(basename ${device}) | |
301 | ||
302 | # bonding_masters is no device | |
303 | [ "${device}" = "bonding_masters" ] && continue | |
304 | ||
305 | devices="${devices} ${device}" | |
306 | done | |
307 | ||
308 | echo ${devices} | |
309 | return ${EXIT_OK} | |
310 | } | |
311 | ||
312 | function devices_get_all() { | |
313 | device_get | |
314 | } | |
315 | ||
316 | # Check if a device has a cable plugged in | |
317 | function device_has_carrier() { | |
318 | local device=${1} | |
319 | assert isset device | |
320 | ||
321 | local carrier=$(__device_get_file ${device} carrier) | |
322 | [ "${carrier}" = "1" ] | |
323 | } | |
324 | ||
325 | function device_is_promisc() { | |
326 | local device=${1} | |
327 | ||
328 | device_has_flag ${device} 0x200 | |
329 | } | |
330 | ||
331 | function device_set_promisc() { | |
332 | local device=${1} | |
333 | local state=${2} | |
334 | ||
335 | assert device_exists ${device} | |
336 | assert isset state | |
337 | assert isoneof state on off | |
338 | ||
339 | ip link set ${device} promisc ${state} | |
340 | } | |
341 | ||
342 | # Check if the device is free | |
343 | function device_is_free() { | |
344 | ! device_is_used $@ | |
345 | } | |
346 | ||
347 | # Check if the device is used | |
348 | function device_is_used() { | |
349 | local device=${1} | |
350 | ||
351 | device_has_virtuals ${device} && \ | |
352 | return ${EXIT_OK} | |
353 | device_is_bonded ${device} && \ | |
354 | return ${EXIT_OK} | |
355 | device_is_bridge_attached ${device} && \ | |
356 | return ${EXIT_OK} | |
357 | ||
358 | return ${EXIT_ERROR} | |
359 | } | |
360 | ||
361 | function device_hash() { | |
362 | local device=${1} | |
363 | ||
364 | # Get mac address of device and remove all colons (:) | |
365 | # that will result in a hash. | |
366 | device=$(macify ${device}) | |
367 | ||
368 | echo "${device//:/}" | |
369 | } | |
370 | ||
371 | # Give the device a new name | |
372 | function device_set_name() { | |
373 | local source=$1 | |
374 | local destination=${2} | |
375 | ||
376 | # Check if devices exists | |
377 | if ! device_exists ${source} || device_exists ${destination}; then | |
378 | return 4 | |
379 | fi | |
380 | ||
381 | local up | |
382 | if device_is_up ${source}; then | |
383 | ip link set ${source} down | |
384 | up=1 | |
385 | fi | |
386 | ||
387 | ip link set ${source} name ${destination} | |
388 | ||
389 | if [ "${up}" = "1" ]; then | |
390 | ip link set ${destination} up | |
391 | fi | |
392 | } | |
393 | ||
394 | # Set device up | |
395 | function device_set_up() { | |
396 | local device=${1} | |
397 | ||
398 | # Silently fail if device was not found | |
399 | [ -z "${device}" ] && return ${EXIT_ERROR} | |
400 | ||
401 | # Do nothing if device is already up | |
402 | device_is_up ${device} && return ${EXIT_OK} | |
403 | ||
404 | device_set_parent_up ${device} | |
405 | ||
406 | log DEBUG "Setting up device '${device}'" | |
407 | ||
408 | ip link set ${device} up | |
409 | } | |
410 | ||
411 | function device_set_parent_up() { | |
412 | local device=${1} | |
413 | local parent | |
414 | ||
415 | if device_is_virtual ${device}; then | |
416 | parent=$(virtual_get_parent ${device}) | |
417 | ||
418 | device_is_up ${parent} && return ${EXIT_OK} | |
419 | ||
420 | log DEBUG "Setting up parent device '${parent}' of '${device}'" | |
421 | ||
422 | device_set_up ${parent} | |
423 | return $? | |
424 | fi | |
425 | ||
426 | return ${EXIT_OK} | |
427 | } | |
428 | ||
429 | # Set device down | |
430 | function device_set_down() { | |
431 | local device=${1} | |
432 | assert isset device | |
433 | ||
434 | local ret=${EXIT_OK} | |
435 | ||
436 | if device_is_up ${device}; then | |
437 | log DEBUG "Tearing down device '${device}'" | |
438 | ||
439 | ip link set ${device} down | |
440 | ret=$? | |
441 | fi | |
442 | ||
443 | device_set_parent_down ${device} | |
444 | ||
445 | return ${ret} | |
446 | } | |
447 | ||
448 | function device_set_parent_down() { | |
449 | local device=${1} | |
450 | local parent | |
451 | ||
452 | if device_is_virtual ${device}; then | |
453 | parent=$(virtual_get_parent ${device}) | |
454 | ||
455 | device_is_up ${parent} || return ${EXIT_OK} | |
456 | ||
457 | if device_is_free ${parent}; then | |
458 | log DEBUG "Tearing down parent device '${parent}' of '${device}'" | |
459 | ||
460 | device_set_down ${parent} | |
461 | fi | |
462 | fi | |
463 | ||
464 | return ${EXIT_OK} | |
465 | } | |
466 | ||
467 | function device_get_mtu() { | |
468 | local device=${1} | |
469 | ||
470 | if ! device_exists ${device}; then | |
471 | error "Device '${device}' does not exist." | |
472 | return ${EXIT_ERROR} | |
473 | fi | |
474 | ||
475 | echo $(<${SYS_CLASS_NET}/${device}/mtu) | |
476 | } | |
477 | ||
478 | # Set mtu to a device | |
479 | function device_set_mtu() { | |
480 | local device=${1} | |
481 | local mtu=${2} | |
482 | ||
483 | if ! device_exists ${device}; then | |
484 | error "Device '${device}' does not exist." | |
485 | return ${EXIT_ERROR} | |
486 | fi | |
487 | ||
488 | local oldmtu=$(device_get_mtu ${device}) | |
489 | ||
490 | if [ "${oldmtu}" = "${mtu}" ]; then | |
491 | # No need to set mtu. | |
492 | return ${EXIT_OK} | |
493 | fi | |
494 | ||
495 | log INFO "Setting mtu of '${device}' to '${mtu}' - was ${oldmtu}." | |
496 | ||
497 | local up | |
498 | if device_is_up ${device}; then | |
499 | device_set_down ${device} | |
500 | up=1 | |
501 | fi | |
502 | ||
503 | ip link set ${device} mtu ${mtu} | |
504 | local ret=$? | |
505 | ||
506 | if [ "${up}" = "1" ]; then | |
507 | device_set_up ${device} | |
508 | fi | |
509 | ||
510 | if [ "${ret}" != "0" ]; then | |
511 | error_log "Could not set mtu '${mtu}' on device '${device}'." | |
512 | fi | |
513 | ||
514 | return ${ret} | |
515 | } | |
516 | ||
517 | function device_discover() { | |
518 | local device=${1} | |
519 | ||
520 | log INFO "Running discovery process on device '${device}'." | |
521 | ||
522 | local hook | |
523 | for hook in $(hook_zone_get_all); do | |
524 | hook_zone_exec ${hook} discover ${device} | |
525 | done | |
526 | } | |
527 | ||
528 | function device_has_ip() { | |
529 | local device=${1} | |
530 | local addr=${2} | |
531 | ||
532 | assert isset addr | |
533 | assert device_exists ${device} | |
534 | ||
535 | # IPv6 addresses must be fully imploded | |
536 | local protocol=$(ip_detect_protocol ${addr}) | |
537 | case "${protocol}" in | |
538 | ipv6) | |
539 | addr=$(ipv6_implode ${addr}) | |
540 | ;; | |
541 | esac | |
542 | ||
543 | listmatch ${addr} $(device_get_addresses ${device}) | |
544 | } | |
545 | ||
546 | function device_get_addresses() { | |
547 | local device=${1} | |
548 | ||
549 | assert device_exists ${device} | |
550 | ||
551 | local prot | |
552 | local addr | |
553 | local line | |
554 | ip addr show ${device} | \ | |
555 | while read prot addr line; do | |
556 | [ "${prot:0:4}" = "inet" ] && echo "${addr}" | |
557 | done | |
558 | } | |
559 | ||
560 | function __device_get_file() { | |
561 | local device=${1} | |
562 | local file=${2} | |
563 | ||
564 | assert isset device | |
565 | assert isset file | |
566 | ||
567 | local path="${SYS_CLASS_NET}/${device}/${file}" | |
568 | [ -r "${path}" ] || return ${EXIT_ERROR} | |
569 | ||
570 | echo "$(<${path})" | |
571 | } | |
572 | ||
573 | function device_get_rx_bytes() { | |
574 | local device=${1} | |
575 | ||
576 | __device_get_file ${device} statistics/rx_bytes | |
577 | } | |
578 | ||
579 | function device_get_tx_bytes() { | |
580 | local device=${1} | |
581 | ||
582 | __device_get_file ${device} statistics/tx_bytes | |
583 | } | |
584 | ||
585 | function device_get_rx_packets() { | |
586 | local device=${1} | |
587 | ||
588 | __device_get_file ${device} statistics/rx_packets | |
589 | } | |
590 | ||
591 | function device_get_tx_packets() { | |
592 | local device=${1} | |
593 | ||
594 | __device_get_file ${device} statistics/tx_packets | |
595 | } | |
596 | ||
597 | function device_get_rx_errors() { | |
598 | local device=${1} | |
599 | ||
600 | __device_get_file ${device} statistics/rx_errors | |
601 | } | |
602 | ||
603 | function device_get_tx_errors() { | |
604 | local device=${1} | |
605 | ||
606 | __device_get_file ${device} statistics/tx_errors | |
607 | } | |
608 | ||
609 | function device_get_speed() { | |
610 | local device=${1} | |
611 | ||
612 | __device_get_file ${device} speed | |
613 | } | |
614 | ||
615 | function device_get_duplex() { | |
616 | local device=${1} | |
617 | ||
618 | __device_get_file ${device} duplex | |
619 | } |