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1848564d MT |
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 | ||
1b7a1578 | 22 | function devicify() { |
1848564d MT |
23 | local device=${1} |
24 | ||
711ffac1 MT |
25 | assert isset device |
26 | ||
1848564d MT |
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 | ||
711ffac1 MT |
46 | assert isset device |
47 | ||
1848564d MT |
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 ${EXIT_ERROR} | |
67 | ||
68 | [ -d "${SYS_CLASS_NET}/${device}" ] | |
69 | } | |
70 | ||
71 | # Check if the device is up | |
72 | function device_is_up() { | |
73 | local device=${1} | |
74 | ||
75 | device_exists ${device} || return ${EXIT_ERROR} | |
76 | ||
77 | ip link show ${device} 2>/dev/null | grep -qE "<.*UP.*>" | |
78 | } | |
79 | ||
80 | # Check if the device is a bonding device | |
81 | function device_is_bonding() { | |
82 | [ -d "/sys/class/net/${1}/bonding" ] | |
83 | } | |
84 | ||
85 | # Check if the device bonded in a bonding device | |
86 | function device_is_bonded() { | |
711ffac1 | 87 | local device=${1} |
1848564d | 88 | |
711ffac1 | 89 | [ -d "${SYS_CLASS_NET}/${device}/master" ] |
1848564d MT |
90 | } |
91 | ||
92 | # Check if the device is a bridge | |
93 | function device_is_bridge() { | |
94 | [ -d "/sys/class/net/${1}/bridge" ] | |
95 | } | |
96 | ||
81ed640c MT |
97 | function device_is_bridge_attached() { |
98 | local device=${1} | |
99 | ||
100 | [ -d "${SYS_CLASS_NET}/${device}/brport" ] | |
101 | } | |
102 | ||
1848564d MT |
103 | # Check if the device is a virtual device |
104 | function device_is_virtual() { | |
105 | local device=${1} | |
106 | ||
107 | [ -e "/proc/net/vlan/${device}" ] | |
108 | } | |
109 | ||
110 | # Check if the device has virtual devices | |
111 | function device_has_virtuals() { | |
fb02e543 MT |
112 | local device=${1} |
113 | ||
114 | if device_is_virtual ${device}; then | |
115 | return 1 | |
116 | fi | |
117 | ||
1848564d MT |
118 | if [ ! -e "/proc/net/vlan/config" ]; then |
119 | return 1 | |
120 | fi | |
121 | grep -q "${1}$" /proc/net/vlan/config | |
122 | } | |
123 | ||
1848564d MT |
124 | # Check if the device is a ppp device |
125 | function device_is_ppp() { | |
126 | local device=${1} | |
127 | ||
128 | ip link show ${device} 2>/dev/null | grep -qE "<.*POINTOPOINT.*>" | |
129 | } | |
130 | ||
131 | # Check if the device is a loopback device | |
132 | function device_is_loopback() { | |
133 | local device=$(devicify ${1}) | |
134 | [ "${device}" = "lo" ] | |
135 | } | |
136 | ||
137 | # Check if the device is a physical network interface | |
138 | function device_is_real() { | |
139 | local device=${1} | |
140 | ||
141 | device_is_loopback ${device} && \ | |
142 | return ${EXIT_ERROR} | |
143 | ||
144 | device_is_bonding ${device} && \ | |
145 | return ${EXIT_ERROR} | |
146 | ||
147 | device_is_bridge ${device} && \ | |
148 | return ${EXIT_ERROR} | |
149 | ||
150 | device_is_ppp ${device} && \ | |
151 | return ${EXIT_ERROR} | |
152 | ||
153 | device_is_virtual ${device} && \ | |
154 | return ${EXIT_ERROR} | |
155 | ||
419b4cd0 MT |
156 | [ "$(__device_get_file ${device} type)" != "1" ] && \ |
157 | return ${EXIT_ERROR} | |
158 | ||
1848564d MT |
159 | return ${EXIT_OK} |
160 | } | |
161 | ||
162 | # Get the device type | |
163 | function device_get_type() { | |
164 | local device=$(devicify ${1}) | |
165 | ||
8c6a8966 | 166 | if device_is_virtual ${device}; then |
1848564d MT |
167 | echo "vlan" |
168 | ||
169 | elif device_is_bonding ${device}; then | |
170 | echo "bonding" | |
171 | ||
172 | elif device_is_bridge ${device}; then | |
173 | echo "bridge" | |
174 | ||
175 | elif device_is_ppp ${device}; then | |
176 | echo "ppp" | |
177 | ||
178 | elif device_is_loopback ${device}; then | |
179 | echo "loopback" | |
180 | ||
181 | elif device_is_real ${device}; then | |
182 | echo "real" | |
183 | ||
184 | else | |
185 | echo "unknown" | |
186 | fi | |
187 | } | |
188 | ||
711ffac1 MT |
189 | function device_get_status() { |
190 | local device=${1} | |
191 | ||
192 | assert isset device | |
193 | ||
194 | local status=${STATUS_UNKNOWN} | |
195 | ||
196 | if ! device_has_carrier ${device}; then | |
197 | status=${STATUS_NOCARRIER} | |
198 | elif device_is_up ${device}; then | |
199 | status=${STATUS_UP} | |
200 | elif device_is_down ${device}; then | |
201 | status=${STATUS_DOWN} | |
202 | fi | |
203 | ||
204 | assert isset status | |
205 | ||
206 | echo "${status}" | |
207 | } | |
208 | ||
1848564d MT |
209 | function device_get_address() { |
210 | local device=${1} | |
211 | ||
212 | cat ${SYS_CLASS_NET}/${device}/address 2>/dev/null | |
213 | } | |
214 | ||
215 | function device_set_address() { | |
1b7a1578 MT |
216 | local device=${1} |
217 | local addr=${2} | |
218 | ||
219 | if ! device_exists ${device}; then | |
220 | error "Device '${device}' does not exist." | |
221 | return ${EXIT_ERROR} | |
222 | fi | |
223 | ||
224 | log INFO "Setting address of '${device}' to '${addr}' - was $(device_get_address ${device})." | |
225 | ||
226 | local up | |
227 | if device_is_up ${device}; then | |
228 | device_set_down ${device} | |
229 | up=1 | |
230 | fi | |
231 | ||
232 | ip link set ${device} address ${addr} | |
233 | local ret=$? | |
234 | ||
235 | if [ "${up}" = "1" ]; then | |
236 | device_set_up ${device} | |
237 | fi | |
238 | ||
239 | if [ "${ret}" != "0" ]; then | |
240 | error_log "Could not set address '${addr}' on device '${device}'." | |
241 | fi | |
242 | ||
243 | return ${ret} | |
1848564d MT |
244 | } |
245 | ||
711ffac1 | 246 | function device_get() { |
2ae0fb8d | 247 | local device |
711ffac1 MT |
248 | local devices |
249 | ||
2ae0fb8d MT |
250 | for device in ${SYS_CLASS_NET}/*; do |
251 | device=$(basename ${device}) | |
711ffac1 | 252 | |
2ae0fb8d MT |
253 | # bonding_masters is no device |
254 | [ "${device}" = "bonding_masters" ] && continue | |
255 | ||
256 | devices="${devices} ${device}" | |
257 | done | |
711ffac1 MT |
258 | |
259 | echo ${devices} | |
260 | return ${EXIT_OK} | |
261 | } | |
262 | ||
1848564d | 263 | function devices_get_all() { |
711ffac1 | 264 | device_get |
1848564d MT |
265 | } |
266 | ||
267 | # Check if a device has a cable plugged in | |
268 | function device_has_carrier() { | |
269 | local device=$(devicify ${1}) | |
270 | [ "$(<${SYS_CLASS_NET}/${device}/carrier)" = "1" ] | |
271 | } | |
272 | ||
1e4c26a4 MT |
273 | function device_is_promisc() { |
274 | local device=${1} | |
275 | ||
276 | ip link show ${device} | grep -qE "<.*PROMISC.*>" | |
277 | } | |
278 | ||
cf6e4606 MT |
279 | function device_set_promisc() { |
280 | local device=${1} | |
281 | local state=${2} | |
282 | ||
283 | assert device_exists ${device} | |
284 | assert isset state | |
285 | assert isoneof state on off | |
286 | ||
287 | ip link set ${device} promisc ${state} | |
288 | } | |
289 | ||
1848564d MT |
290 | # Check if the device is free |
291 | function device_is_free() { | |
81ed640c | 292 | ! device_is_used $@ |
1848564d MT |
293 | } |
294 | ||
295 | # Check if the device is used | |
296 | function device_is_used() { | |
297 | local device=$(devicify ${1}) | |
298 | ||
fb02e543 MT |
299 | device_has_virtuals ${device} && \ |
300 | return ${EXIT_OK} | |
1848564d | 301 | device_is_bonded ${device} && \ |
fb02e543 | 302 | return ${EXIT_OK} |
81ed640c MT |
303 | device_is_bridge_attached ${device} && \ |
304 | return ${EXIT_OK} | |
1848564d | 305 | |
fb02e543 | 306 | return ${EXIT_ERROR} |
1848564d MT |
307 | } |
308 | ||
1b7a1578 MT |
309 | function device_hash() { |
310 | local device=${1} | |
311 | ||
37e4ec8b MT |
312 | # Get mac address of device and remove all colons (:) |
313 | # that will result in a hash. | |
314 | device=$(macify ${device}) | |
315 | ||
316 | echo "${device//:/}" | |
1b7a1578 MT |
317 | } |
318 | ||
319 | # Give the device a new name | |
320 | function device_set_name() { | |
1848564d | 321 | local source=$1 |
1578dae9 | 322 | local destination=${2} |
1848564d MT |
323 | |
324 | # Check if devices exists | |
325 | if ! device_exists ${source} || device_exists ${destination}; then | |
326 | return 4 | |
327 | fi | |
328 | ||
329 | local up | |
330 | if device_is_up ${source}; then | |
331 | ip link set ${source} down | |
332 | up=1 | |
333 | fi | |
334 | ||
335 | ip link set ${source} name ${destination} | |
336 | ||
337 | if [ "${up}" = "1" ]; then | |
338 | ip link set ${destination} up | |
339 | fi | |
340 | } | |
341 | ||
1848564d MT |
342 | # Set device up |
343 | function device_set_up() { | |
344 | local device=$(devicify ${1}) | |
345 | ||
711ffac1 MT |
346 | # Silently fail if device was not found |
347 | [ -z "${device}" ] && return ${EXIT_ERROR} | |
348 | ||
1848564d MT |
349 | # Do nothing if device is already up |
350 | device_is_up ${device} && return ${EXIT_OK} | |
351 | ||
81ed640c MT |
352 | device_set_parent_up ${device} |
353 | ||
354 | log DEBUG "Setting up device '${device}'" | |
355 | ||
1848564d MT |
356 | ip link set ${device} up |
357 | } | |
358 | ||
81ed640c MT |
359 | function device_set_parent_up() { |
360 | local device=${1} | |
361 | local parent | |
362 | ||
363 | if device_is_virtual ${device}; then | |
8c6a8966 | 364 | parent=$(virtual_get_parent ${device}) |
81ed640c MT |
365 | |
366 | device_is_up ${parent} && return ${EXIT_OK} | |
367 | ||
368 | log DEBUG "Setting up parent device '${parent}' of '${device}'" | |
369 | ||
370 | device_set_up ${parent} | |
371 | return $? | |
372 | fi | |
373 | ||
374 | return ${EXIT_OK} | |
375 | } | |
376 | ||
1848564d MT |
377 | # Set device down |
378 | function device_set_down() { | |
379 | local device=$(devicify ${1}) | |
380 | ||
81ed640c MT |
381 | local ret=${EXIT_OK} |
382 | ||
383 | if device_is_up ${device}; then | |
384 | log DEBUG "Tearing down device '${device}'" | |
385 | ||
386 | ip link set ${device} down | |
387 | ret=$? | |
388 | fi | |
389 | ||
390 | device_set_parent_down ${device} | |
1848564d | 391 | |
81ed640c MT |
392 | return ${ret} |
393 | } | |
394 | ||
395 | function device_set_parent_down() { | |
396 | local device=${1} | |
397 | local parent | |
398 | ||
399 | if device_is_virtual ${device}; then | |
8c6a8966 | 400 | parent=$(virtual_get_parent ${device}) |
81ed640c MT |
401 | |
402 | device_is_up ${parent} || return ${EXIT_OK} | |
403 | ||
404 | if device_is_free ${parent}; then | |
405 | log DEBUG "Tearing down parent device '${parent}' of '${device}'" | |
406 | ||
407 | device_set_down ${parent} | |
408 | fi | |
409 | fi | |
410 | ||
411 | return ${EXIT_OK} | |
1848564d MT |
412 | } |
413 | ||
1848564d MT |
414 | function device_get_mtu() { |
415 | local device=${1} | |
416 | ||
417 | if ! device_exists ${device}; then | |
418 | error "Device '${device}' does not exist." | |
419 | return ${EXIT_ERROR} | |
420 | fi | |
421 | ||
f3e6fe50 | 422 | echo $(<${SYS_CLASS_NET}/${device}/mtu) |
1848564d MT |
423 | } |
424 | ||
425 | # Set mtu to a device | |
426 | function device_set_mtu() { | |
1b7a1578 | 427 | local device=${1} |
1848564d MT |
428 | local mtu=${2} |
429 | ||
1b7a1578 MT |
430 | if ! device_exists ${device}; then |
431 | error "Device '${device}' does not exist." | |
432 | return ${EXIT_ERROR} | |
433 | fi | |
434 | ||
435 | local oldmtu=$(device_get_mtu ${device}) | |
436 | ||
437 | if [ "${oldmtu}" = "${mtu}" ]; then | |
438 | # No need to set mtu. | |
439 | return ${EXIT_OK} | |
440 | fi | |
441 | ||
442 | log INFO "Setting mtu of '${device}' to '${mtu}' - was ${oldmtu}." | |
443 | ||
1848564d | 444 | local up |
1b7a1578 MT |
445 | if device_is_up ${device}; then |
446 | device_set_down ${device} | |
1848564d MT |
447 | up=1 |
448 | fi | |
449 | ||
1b7a1578 | 450 | ip link set ${device} mtu ${mtu} |
1848564d MT |
451 | local ret=$? |
452 | ||
453 | if [ "${up}" = "1" ]; then | |
1b7a1578 MT |
454 | device_set_up ${device} |
455 | fi | |
456 | ||
457 | if [ "${ret}" != "0" ]; then | |
458 | error_log "Could not set mtu '${mtu}' on device '${device}'." | |
1848564d MT |
459 | fi |
460 | ||
461 | return ${ret} | |
462 | } | |
463 | ||
464 | function device_discover() { | |
465 | local device=${1} | |
466 | ||
1b7a1578 MT |
467 | log INFO "Running discovery process on device '${device}'." |
468 | ||
1848564d | 469 | local hook |
d61a01d4 MT |
470 | for hook in $(hook_zone_get_all); do |
471 | hook_zone_exec ${hook} discover ${device} | |
1848564d MT |
472 | done |
473 | } | |
474 | ||
38f61548 | 475 | function device_has_ip() { |
1848564d MT |
476 | local device=${1} |
477 | local addr=${2} | |
478 | ||
38f61548 MT |
479 | assert isset addr |
480 | assert device_exists ${device} | |
481 | ||
482 | # IPv6 addresses must be fully imploded | |
483 | local protocol=$(ip_detect_protocol ${addr}) | |
484 | case "${protocol}" in | |
485 | ipv6) | |
486 | addr=$(ipv6_implode ${addr}) | |
487 | ;; | |
488 | esac | |
1848564d | 489 | |
38f61548 | 490 | listmatch ${addr} $(device_get_addresses ${device}) |
1848564d | 491 | } |
4231f419 | 492 | |
38f61548 | 493 | function device_get_addresses() { |
4231f419 | 494 | local device=${1} |
4231f419 | 495 | |
38f61548 | 496 | assert device_exists ${device} |
4231f419 | 497 | |
38f61548 MT |
498 | local prot |
499 | local addr | |
500 | local line | |
501 | ip addr show ${device} | \ | |
502 | while read prot addr line; do | |
503 | [ "${prot:0:4}" = "inet" ] && echo "${addr}" | |
504 | done | |
4231f419 | 505 | } |
711ffac1 | 506 | |
711ffac1 MT |
507 | function __device_get_file() { |
508 | local device=${1} | |
509 | local file=${2} | |
510 | ||
511 | assert isset device | |
512 | assert isset file | |
513 | ||
514 | cat ${SYS_CLASS_NET}/${device}/${file} | |
515 | } | |
516 | ||
517 | function device_get_rx_bytes() { | |
518 | local device=${1} | |
519 | ||
520 | __device_get_file ${device} statistics/rx_bytes | |
521 | } | |
522 | ||
523 | function device_get_tx_bytes() { | |
524 | local device=${1} | |
525 | ||
526 | __device_get_file ${device} statistics/tx_bytes | |
527 | } | |
528 | ||
529 | function device_get_rx_packets() { | |
530 | local device=${1} | |
531 | ||
532 | __device_get_file ${device} statistics/rx_packets | |
533 | } | |
534 | ||
535 | function device_get_tx_packets() { | |
536 | local device=${1} | |
537 | ||
538 | __device_get_file ${device} statistics/tx_packets | |
539 | } | |
540 | ||
541 | function device_get_rx_errors() { | |
542 | local device=${1} | |
543 | ||
544 | __device_get_file ${device} statistics/rx_errors | |
545 | } | |
546 | ||
547 | function device_get_tx_errors() { | |
548 | local device=${1} | |
549 | ||
550 | __device_get_file ${device} statistics/tx_errors | |
551 | } |