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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
f579559b TG |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2013 Tom Gundersen <teg@jklm.no> | |
6 | ||
7 | systemd is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU Lesser General Public License as published by | |
9 | the Free Software Foundation; either version 2.1 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | systemd is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public License | |
18 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
19 | ***/ | |
20 | ||
21 | #include <net/if.h> | |
22 | ||
b5efdb8a | 23 | #include "alloc-util.h" |
f579559b | 24 | #include "conf-parser.h" |
12c2884c | 25 | #include "firewall-util.h" |
fc2f9534 | 26 | #include "netlink-util.h" |
6bedfcbb | 27 | #include "networkd-address.h" |
23f53b99 | 28 | #include "networkd-manager.h" |
6bedfcbb | 29 | #include "parse-util.h" |
3ac8e543 | 30 | #include "set.h" |
d31645ad | 31 | #include "socket-util.h" |
07630cea | 32 | #include "string-util.h" |
3ac8e543 TG |
33 | #include "utf8.h" |
34 | #include "util.h" | |
f579559b | 35 | |
1b566071 | 36 | #define ADDRESSES_PER_LINK_MAX 2048U |
8c34b963 LP |
37 | #define STATIC_ADDRESSES_PER_NETWORK_MAX 1024U |
38 | ||
f0213e37 TG |
39 | int address_new(Address **ret) { |
40 | _cleanup_address_free_ Address *address = NULL; | |
41 | ||
42 | address = new0(Address, 1); | |
43 | if (!address) | |
44 | return -ENOMEM; | |
aba496a5 UTL |
45 | |
46 | address->family = AF_UNSPEC; | |
47 | address->scope = RT_SCOPE_UNIVERSE; | |
48 | address->cinfo.ifa_prefered = CACHE_INFO_INFINITY_LIFE_TIME; | |
49 | address->cinfo.ifa_valid = CACHE_INFO_INFINITY_LIFE_TIME; | |
f0213e37 TG |
50 | |
51 | *ret = address; | |
52 | address = NULL; | |
53 | ||
54 | return 0; | |
aba496a5 UTL |
55 | } |
56 | ||
f4859fc7 SS |
57 | int address_new_static(Network *network, const char *filename, unsigned section_line, Address **ret) { |
58 | _cleanup_network_config_section_free_ NetworkConfigSection *n = NULL; | |
f579559b | 59 | _cleanup_address_free_ Address *address = NULL; |
f0213e37 | 60 | int r; |
f579559b | 61 | |
8c34b963 LP |
62 | assert(network); |
63 | assert(ret); | |
48317c39 | 64 | assert(!!filename == (section_line > 0)); |
8c34b963 | 65 | |
48317c39 | 66 | if (filename) { |
f4859fc7 SS |
67 | r = network_config_section_new(filename, section_line, &n); |
68 | if (r < 0) | |
69 | return r; | |
70 | ||
71 | address = hashmap_get(network->addresses_by_section, n); | |
6ae115c1 TG |
72 | if (address) { |
73 | *ret = address; | |
74 | address = NULL; | |
75 | ||
76 | return 0; | |
77 | } | |
78 | } | |
79 | ||
8c34b963 LP |
80 | if (network->n_static_addresses >= STATIC_ADDRESSES_PER_NETWORK_MAX) |
81 | return -E2BIG; | |
82 | ||
f0213e37 TG |
83 | r = address_new(&address); |
84 | if (r < 0) | |
85 | return r; | |
801bd9e8 | 86 | |
48317c39 | 87 | if (filename) { |
f4859fc7 | 88 | address->section = n; |
fcc48287 SS |
89 | n = NULL; |
90 | ||
f7fe70ea SS |
91 | r = hashmap_put(network->addresses_by_section, address->section, address); |
92 | if (r < 0) | |
93 | return r; | |
6ae115c1 TG |
94 | } |
95 | ||
5215524d SS |
96 | address->network = network; |
97 | LIST_APPEND(addresses, network->static_addresses, address); | |
8c34b963 | 98 | network->n_static_addresses++; |
5215524d | 99 | |
f579559b TG |
100 | *ret = address; |
101 | address = NULL; | |
102 | ||
103 | return 0; | |
104 | } | |
105 | ||
106 | void address_free(Address *address) { | |
107 | if (!address) | |
108 | return; | |
109 | ||
f048a16b | 110 | if (address->network) { |
3d3d4255 | 111 | LIST_REMOVE(addresses, address->network->static_addresses, address); |
8c34b963 LP |
112 | assert(address->network->n_static_addresses > 0); |
113 | address->network->n_static_addresses--; | |
f579559b | 114 | |
f4859fc7 SS |
115 | if (address->section) { |
116 | hashmap_remove(address->network->addresses_by_section, address->section); | |
117 | network_config_section_free(address->section); | |
118 | } | |
f048a16b | 119 | } |
6ae115c1 | 120 | |
adda1ed9 | 121 | if (address->link) { |
cf1d700d | 122 | set_remove(address->link->addresses, address); |
adda1ed9 | 123 | set_remove(address->link->addresses_foreign, address); |
f150100a SS |
124 | |
125 | if (in_addr_equal(AF_INET6, &address->in_addr, (const union in_addr_union *) &address->link->ipv6ll_address)) | |
126 | memzero(&address->link->ipv6ll_address, sizeof(struct in6_addr)); | |
adda1ed9 | 127 | } |
cf1d700d | 128 | |
f579559b TG |
129 | free(address); |
130 | } | |
131 | ||
3ac8e543 TG |
132 | static void address_hash_func(const void *b, struct siphash *state) { |
133 | const Address *a = b; | |
134 | ||
135 | assert(a); | |
136 | ||
137 | siphash24_compress(&a->family, sizeof(a->family), state); | |
138 | ||
139 | switch (a->family) { | |
140 | case AF_INET: | |
141 | siphash24_compress(&a->prefixlen, sizeof(a->prefixlen), state); | |
142 | ||
143 | /* peer prefix */ | |
144 | if (a->prefixlen != 0) { | |
145 | uint32_t prefix; | |
146 | ||
147 | if (a->in_addr_peer.in.s_addr != 0) | |
148 | prefix = be32toh(a->in_addr_peer.in.s_addr) >> (32 - a->prefixlen); | |
149 | else | |
150 | prefix = be32toh(a->in_addr.in.s_addr) >> (32 - a->prefixlen); | |
151 | ||
152 | siphash24_compress(&prefix, sizeof(prefix), state); | |
153 | } | |
154 | ||
155 | /* fallthrough */ | |
156 | case AF_INET6: | |
157 | /* local address */ | |
158 | siphash24_compress(&a->in_addr, FAMILY_ADDRESS_SIZE(a->family), state); | |
159 | ||
160 | break; | |
161 | default: | |
162 | /* treat any other address family as AF_UNSPEC */ | |
163 | break; | |
164 | } | |
165 | } | |
166 | ||
167 | static int address_compare_func(const void *c1, const void *c2) { | |
168 | const Address *a1 = c1, *a2 = c2; | |
169 | ||
170 | if (a1->family < a2->family) | |
171 | return -1; | |
172 | if (a1->family > a2->family) | |
173 | return 1; | |
174 | ||
175 | switch (a1->family) { | |
176 | /* use the same notion of equality as the kernel does */ | |
177 | case AF_INET: | |
178 | if (a1->prefixlen < a2->prefixlen) | |
179 | return -1; | |
180 | if (a1->prefixlen > a2->prefixlen) | |
181 | return 1; | |
182 | ||
183 | /* compare the peer prefixes */ | |
184 | if (a1->prefixlen != 0) { | |
185 | /* make sure we don't try to shift by 32. | |
186 | * See ISO/IEC 9899:TC3 § 6.5.7.3. */ | |
187 | uint32_t b1, b2; | |
188 | ||
189 | if (a1->in_addr_peer.in.s_addr != 0) | |
190 | b1 = be32toh(a1->in_addr_peer.in.s_addr) >> (32 - a1->prefixlen); | |
191 | else | |
192 | b1 = be32toh(a1->in_addr.in.s_addr) >> (32 - a1->prefixlen); | |
193 | ||
194 | if (a2->in_addr_peer.in.s_addr != 0) | |
195 | b2 = be32toh(a2->in_addr_peer.in.s_addr) >> (32 - a1->prefixlen); | |
196 | else | |
197 | b2 = be32toh(a2->in_addr.in.s_addr) >> (32 - a1->prefixlen); | |
198 | ||
199 | if (b1 < b2) | |
200 | return -1; | |
201 | if (b1 > b2) | |
202 | return 1; | |
203 | } | |
204 | ||
205 | /* fall-through */ | |
206 | case AF_INET6: | |
207 | return memcmp(&a1->in_addr, &a2->in_addr, FAMILY_ADDRESS_SIZE(a1->family)); | |
208 | default: | |
209 | /* treat any other address family as AF_UNSPEC */ | |
210 | return 0; | |
211 | } | |
212 | } | |
213 | ||
214 | static const struct hash_ops address_hash_ops = { | |
215 | .hash = address_hash_func, | |
216 | .compare = address_compare_func | |
217 | }; | |
218 | ||
219 | bool address_equal(Address *a1, Address *a2) { | |
220 | if (a1 == a2) | |
221 | return true; | |
222 | ||
223 | if (!a1 || !a2) | |
224 | return false; | |
225 | ||
226 | return address_compare_func(a1, a2) == 0; | |
227 | } | |
228 | ||
91b5f997 TG |
229 | static int address_establish(Address *address, Link *link) { |
230 | bool masq; | |
231 | int r; | |
232 | ||
233 | assert(address); | |
234 | assert(link); | |
235 | ||
236 | masq = link->network && | |
fcf50cff TG |
237 | link->network->ip_masquerade && |
238 | address->family == AF_INET && | |
239 | address->scope < RT_SCOPE_LINK; | |
91b5f997 TG |
240 | |
241 | /* Add firewall entry if this is requested */ | |
242 | if (address->ip_masquerade_done != masq) { | |
243 | union in_addr_union masked = address->in_addr; | |
244 | in_addr_mask(address->family, &masked, address->prefixlen); | |
245 | ||
246 | r = fw_add_masquerade(masq, AF_INET, 0, &masked, address->prefixlen, NULL, NULL, 0); | |
247 | if (r < 0) | |
248 | log_link_warning_errno(link, r, "Could not enable IP masquerading: %m"); | |
249 | ||
250 | address->ip_masquerade_done = masq; | |
251 | } | |
252 | ||
253 | return 0; | |
254 | } | |
255 | ||
adda1ed9 TG |
256 | static int address_add_internal(Link *link, Set **addresses, |
257 | int family, | |
258 | const union in_addr_union *in_addr, | |
259 | unsigned char prefixlen, | |
260 | Address **ret) { | |
054f0db4 | 261 | _cleanup_address_free_ Address *address = NULL; |
cf1d700d TG |
262 | int r; |
263 | ||
264 | assert(link); | |
adda1ed9 | 265 | assert(addresses); |
054f0db4 | 266 | assert(in_addr); |
054f0db4 TG |
267 | |
268 | r = address_new(&address); | |
269 | if (r < 0) | |
270 | return r; | |
271 | ||
272 | address->family = family; | |
273 | address->in_addr = *in_addr; | |
274 | address->prefixlen = prefixlen; | |
63bbe5c7 TG |
275 | /* Consider address tentative until we get the real flags from the kernel */ |
276 | address->flags = IFA_F_TENTATIVE; | |
cf1d700d | 277 | |
adda1ed9 | 278 | r = set_ensure_allocated(addresses, &address_hash_ops); |
cf1d700d TG |
279 | if (r < 0) |
280 | return r; | |
281 | ||
adda1ed9 | 282 | r = set_put(*addresses, address); |
cf1d700d TG |
283 | if (r < 0) |
284 | return r; | |
285 | ||
286 | address->link = link; | |
287 | ||
adda1ed9 TG |
288 | if (ret) |
289 | *ret = address; | |
290 | ||
054f0db4 TG |
291 | address = NULL; |
292 | ||
cf1d700d TG |
293 | return 0; |
294 | } | |
295 | ||
adda1ed9 TG |
296 | int address_add_foreign(Link *link, int family, const union in_addr_union *in_addr, unsigned char prefixlen, Address **ret) { |
297 | return address_add_internal(link, &link->addresses_foreign, family, in_addr, prefixlen, ret); | |
298 | } | |
299 | ||
c4a03a56 | 300 | int address_add(Link *link, int family, const union in_addr_union *in_addr, unsigned char prefixlen, Address **ret) { |
cab974b0 | 301 | Address *address; |
e7780c8d TG |
302 | int r; |
303 | ||
cab974b0 TG |
304 | r = address_get(link, family, in_addr, prefixlen, &address); |
305 | if (r == -ENOENT) { | |
306 | /* Address does not exist, create a new one */ | |
307 | r = address_add_internal(link, &link->addresses, family, in_addr, prefixlen, &address); | |
308 | if (r < 0) | |
309 | return r; | |
310 | } else if (r == 0) { | |
311 | /* Take over a foreign address */ | |
312 | r = set_ensure_allocated(&link->addresses, &address_hash_ops); | |
313 | if (r < 0) | |
314 | return r; | |
315 | ||
316 | r = set_put(link->addresses, address); | |
317 | if (r < 0) | |
318 | return r; | |
319 | ||
320 | set_remove(link->addresses_foreign, address); | |
321 | } else if (r == 1) { | |
322 | /* Already exists, do nothing */ | |
323 | ; | |
324 | } else | |
e7780c8d TG |
325 | return r; |
326 | ||
cab974b0 TG |
327 | if (ret) |
328 | *ret = address; | |
e7780c8d TG |
329 | |
330 | return 0; | |
adda1ed9 TG |
331 | } |
332 | ||
fcf50cff | 333 | static int address_release(Address *address) { |
5a8bcb67 LP |
334 | int r; |
335 | ||
336 | assert(address); | |
fcf50cff | 337 | assert(address->link); |
5a8bcb67 | 338 | |
91b5f997 TG |
339 | /* Remove masquerading firewall entry if it was added */ |
340 | if (address->ip_masquerade_done) { | |
5a8bcb67 LP |
341 | union in_addr_union masked = address->in_addr; |
342 | in_addr_mask(address->family, &masked, address->prefixlen); | |
343 | ||
91b5f997 | 344 | r = fw_add_masquerade(false, AF_INET, 0, &masked, address->prefixlen, NULL, NULL, 0); |
5a8bcb67 | 345 | if (r < 0) |
fcf50cff | 346 | log_link_warning_errno(address->link, r, "Failed to disable IP masquerading: %m"); |
5a8bcb67 | 347 | |
91b5f997 | 348 | address->ip_masquerade_done = false; |
5a8bcb67 LP |
349 | } |
350 | ||
351 | return 0; | |
352 | } | |
353 | ||
889b550f LP |
354 | int address_update( |
355 | Address *address, | |
356 | unsigned char flags, | |
357 | unsigned char scope, | |
358 | const struct ifa_cacheinfo *cinfo) { | |
359 | ||
36c32f61 | 360 | bool ready; |
e7ab854c | 361 | int r; |
36c32f61 TG |
362 | |
363 | assert(address); | |
364 | assert(cinfo); | |
7209086d SS |
365 | assert_return(address->link, 1); |
366 | ||
367 | if (IN_SET(address->link->state, LINK_STATE_FAILED, LINK_STATE_LINGER)) | |
368 | return 1; | |
36c32f61 TG |
369 | |
370 | ready = address_is_ready(address); | |
371 | ||
372 | address->flags = flags; | |
373 | address->scope = scope; | |
374 | address->cinfo = *cinfo; | |
375 | ||
7209086d SS |
376 | link_update_operstate(address->link); |
377 | ||
378 | if (!ready && address_is_ready(address)) { | |
379 | link_check_ready(address->link); | |
380 | ||
381 | if (address->family == AF_INET6 && | |
382 | in_addr_is_link_local(AF_INET6, &address->in_addr) > 0 && | |
383 | in_addr_is_null(AF_INET6, (const union in_addr_union*) &address->link->ipv6ll_address) > 0) { | |
384 | ||
385 | r = link_ipv6ll_gained(address->link, &address->in_addr.in6); | |
386 | if (r < 0) | |
387 | return r; | |
e7ab854c | 388 | } |
a3a019e1 | 389 | } |
36c32f61 TG |
390 | |
391 | return 0; | |
392 | } | |
393 | ||
91b5f997 | 394 | int address_drop(Address *address) { |
8012cd39 TG |
395 | Link *link; |
396 | bool ready; | |
397 | ||
5a8bcb67 | 398 | assert(address); |
91b5f997 | 399 | |
8012cd39 TG |
400 | ready = address_is_ready(address); |
401 | link = address->link; | |
402 | ||
fcf50cff | 403 | address_release(address); |
91b5f997 TG |
404 | address_free(address); |
405 | ||
84de38c5 TG |
406 | link_update_operstate(link); |
407 | ||
8012cd39 TG |
408 | if (link && !ready) |
409 | link_check_ready(link); | |
410 | ||
91b5f997 TG |
411 | return 0; |
412 | } | |
413 | ||
1b566071 LP |
414 | int address_get(Link *link, |
415 | int family, | |
416 | const union in_addr_union *in_addr, | |
417 | unsigned char prefixlen, | |
418 | Address **ret) { | |
419 | ||
420 | Address address, *existing; | |
91b5f997 | 421 | |
5a8bcb67 | 422 | assert(link); |
91b5f997 | 423 | assert(in_addr); |
5a8bcb67 | 424 | |
1b566071 LP |
425 | address = (Address) { |
426 | .family = family, | |
427 | .in_addr = *in_addr, | |
428 | .prefixlen = prefixlen, | |
429 | }; | |
5a8bcb67 | 430 | |
91b5f997 | 431 | existing = set_get(link->addresses, &address); |
cab974b0 | 432 | if (existing) { |
1b566071 LP |
433 | if (ret) |
434 | *ret = existing; | |
cab974b0 | 435 | return 1; |
adda1ed9 | 436 | } |
5a8bcb67 | 437 | |
1b566071 LP |
438 | existing = set_get(link->addresses_foreign, &address); |
439 | if (existing) { | |
440 | if (ret) | |
441 | *ret = existing; | |
442 | return 0; | |
443 | } | |
5a8bcb67 | 444 | |
1b566071 | 445 | return -ENOENT; |
5a8bcb67 LP |
446 | } |
447 | ||
483d099e ZJS |
448 | int address_remove( |
449 | Address *address, | |
450 | Link *link, | |
451 | sd_netlink_message_handler_t callback) { | |
452 | ||
4afd3348 | 453 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; |
407fe036 TG |
454 | int r; |
455 | ||
456 | assert(address); | |
4c701096 | 457 | assert(IN_SET(address->family, AF_INET, AF_INET6)); |
407fe036 TG |
458 | assert(link); |
459 | assert(link->ifindex > 0); | |
460 | assert(link->manager); | |
461 | assert(link->manager->rtnl); | |
462 | ||
151b9b96 LP |
463 | r = sd_rtnl_message_new_addr(link->manager->rtnl, &req, RTM_DELADDR, |
464 | link->ifindex, address->family); | |
eb56eb9b MS |
465 | if (r < 0) |
466 | return log_error_errno(r, "Could not allocate RTM_DELADDR message: %m"); | |
407fe036 | 467 | |
5a723174 | 468 | r = sd_rtnl_message_addr_set_prefixlen(req, address->prefixlen); |
eb56eb9b MS |
469 | if (r < 0) |
470 | return log_error_errno(r, "Could not set prefixlen: %m"); | |
5a723174 | 471 | |
407fe036 | 472 | if (address->family == AF_INET) |
1c4baffc | 473 | r = sd_netlink_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in); |
407fe036 | 474 | else if (address->family == AF_INET6) |
1c4baffc | 475 | r = sd_netlink_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6); |
eb56eb9b MS |
476 | if (r < 0) |
477 | return log_error_errno(r, "Could not append IFA_LOCAL attribute: %m"); | |
407fe036 | 478 | |
1c4baffc | 479 | r = sd_netlink_call_async(link->manager->rtnl, req, callback, link, 0, NULL); |
eb56eb9b MS |
480 | if (r < 0) |
481 | return log_error_errno(r, "Could not send rtnetlink message: %m"); | |
407fe036 | 482 | |
563c69c6 TG |
483 | link_ref(link); |
484 | ||
407fe036 TG |
485 | return 0; |
486 | } | |
487 | ||
11bf3cce LP |
488 | static int address_acquire(Link *link, Address *original, Address **ret) { |
489 | union in_addr_union in_addr = {}; | |
490 | struct in_addr broadcast = {}; | |
0099bc15 | 491 | _cleanup_address_free_ Address *na = NULL; |
11bf3cce LP |
492 | int r; |
493 | ||
494 | assert(link); | |
495 | assert(original); | |
496 | assert(ret); | |
497 | ||
498 | /* Something useful was configured? just use it */ | |
af93291c | 499 | if (in_addr_is_null(original->family, &original->in_addr) <= 0) |
11bf3cce LP |
500 | return 0; |
501 | ||
502 | /* The address is configured to be 0.0.0.0 or [::] by the user? | |
503 | * Then let's acquire something more useful from the pool. */ | |
504 | r = manager_address_pool_acquire(link->manager, original->family, original->prefixlen, &in_addr); | |
6a7a4e4d LP |
505 | if (r < 0) |
506 | return log_link_error_errno(link, r, "Failed to acquire address from pool: %m"); | |
11bf3cce | 507 | if (r == 0) { |
79008bdd | 508 | log_link_error(link, "Couldn't find free address for interface, all taken."); |
11bf3cce LP |
509 | return -EBUSY; |
510 | } | |
511 | ||
512 | if (original->family == AF_INET) { | |
d076c6f9 | 513 | /* Pick first address in range for ourselves ... */ |
11bf3cce LP |
514 | in_addr.in.s_addr = in_addr.in.s_addr | htobe32(1); |
515 | ||
516 | /* .. and use last as broadcast address */ | |
517 | broadcast.s_addr = in_addr.in.s_addr | htobe32(0xFFFFFFFFUL >> original->prefixlen); | |
518 | } else if (original->family == AF_INET6) | |
519 | in_addr.in6.s6_addr[15] |= 1; | |
520 | ||
f0213e37 | 521 | r = address_new(&na); |
11bf3cce LP |
522 | if (r < 0) |
523 | return r; | |
524 | ||
525 | na->family = original->family; | |
526 | na->prefixlen = original->prefixlen; | |
527 | na->scope = original->scope; | |
528 | na->cinfo = original->cinfo; | |
529 | ||
530 | if (original->label) { | |
531 | na->label = strdup(original->label); | |
0099bc15 | 532 | if (!na->label) |
11bf3cce | 533 | return -ENOMEM; |
11bf3cce LP |
534 | } |
535 | ||
536 | na->broadcast = broadcast; | |
537 | na->in_addr = in_addr; | |
538 | ||
539 | LIST_PREPEND(addresses, link->pool_addresses, na); | |
540 | ||
541 | *ret = na; | |
0099bc15 SS |
542 | na = NULL; |
543 | ||
11bf3cce LP |
544 | return 0; |
545 | } | |
546 | ||
1b566071 LP |
547 | int address_configure( |
548 | Address *address, | |
549 | Link *link, | |
550 | sd_netlink_message_handler_t callback, | |
551 | bool update) { | |
552 | ||
4afd3348 | 553 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; |
f579559b TG |
554 | int r; |
555 | ||
c166a070 | 556 | assert(address); |
4c701096 | 557 | assert(IN_SET(address->family, AF_INET, AF_INET6)); |
c166a070 TG |
558 | assert(link); |
559 | assert(link->ifindex > 0); | |
f882c247 | 560 | assert(link->manager); |
c166a070 | 561 | assert(link->manager->rtnl); |
f882c247 | 562 | |
1b566071 LP |
563 | /* If this is a new address, then refuse adding more than the limit */ |
564 | if (address_get(link, address->family, &address->in_addr, address->prefixlen, NULL) <= 0 && | |
565 | set_size(link->addresses) >= ADDRESSES_PER_LINK_MAX) | |
566 | return -E2BIG; | |
567 | ||
11bf3cce LP |
568 | r = address_acquire(link, address, &address); |
569 | if (r < 0) | |
570 | return r; | |
571 | ||
66669078 TG |
572 | if (update) |
573 | r = sd_rtnl_message_new_addr_update(link->manager->rtnl, &req, | |
574 | link->ifindex, address->family); | |
575 | else | |
576 | r = sd_rtnl_message_new_addr(link->manager->rtnl, &req, RTM_NEWADDR, | |
577 | link->ifindex, address->family); | |
eb56eb9b MS |
578 | if (r < 0) |
579 | return log_error_errno(r, "Could not allocate RTM_NEWADDR message: %m"); | |
f579559b | 580 | |
5a723174 | 581 | r = sd_rtnl_message_addr_set_prefixlen(req, address->prefixlen); |
eb56eb9b MS |
582 | if (r < 0) |
583 | return log_error_errno(r, "Could not set prefixlen: %m"); | |
5a723174 | 584 | |
851c9f82 PF |
585 | address->flags |= IFA_F_PERMANENT; |
586 | ||
e63be084 SS |
587 | if (address->home_address) |
588 | address->flags |= IFA_F_HOMEADDRESS; | |
589 | ||
590 | if (address->duplicate_address_detection) | |
591 | address->flags |= IFA_F_NODAD; | |
592 | ||
593 | if (address->manage_temporary_address) | |
594 | address->flags |= IFA_F_MANAGETEMPADDR; | |
595 | ||
596 | if (address->prefix_route) | |
597 | address->flags |= IFA_F_NOPREFIXROUTE; | |
598 | ||
599 | if (address->autojoin) | |
600 | address->flags |= IFA_F_MCAUTOJOIN; | |
601 | ||
851c9f82 | 602 | r = sd_rtnl_message_addr_set_flags(req, (address->flags & 0xff)); |
eb56eb9b MS |
603 | if (r < 0) |
604 | return log_error_errno(r, "Could not set flags: %m"); | |
5a723174 | 605 | |
851c9f82 | 606 | if (address->flags & ~0xff) { |
1c4baffc | 607 | r = sd_netlink_message_append_u32(req, IFA_FLAGS, address->flags); |
851c9f82 PF |
608 | if (r < 0) |
609 | return log_error_errno(r, "Could not set extended flags: %m"); | |
610 | } | |
611 | ||
5c1d3fc9 | 612 | r = sd_rtnl_message_addr_set_scope(req, address->scope); |
eb56eb9b MS |
613 | if (r < 0) |
614 | return log_error_errno(r, "Could not set scope: %m"); | |
5a723174 | 615 | |
0a0dc69b | 616 | if (address->family == AF_INET) |
1c4baffc | 617 | r = sd_netlink_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in); |
0a0dc69b | 618 | else if (address->family == AF_INET6) |
1c4baffc | 619 | r = sd_netlink_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6); |
eb56eb9b MS |
620 | if (r < 0) |
621 | return log_error_errno(r, "Could not append IFA_LOCAL attribute: %m"); | |
f579559b | 622 | |
af93291c | 623 | if (!in_addr_is_null(address->family, &address->in_addr_peer)) { |
c081882f | 624 | if (address->family == AF_INET) |
1c4baffc | 625 | r = sd_netlink_message_append_in_addr(req, IFA_ADDRESS, &address->in_addr_peer.in); |
c081882f | 626 | else if (address->family == AF_INET6) |
1c4baffc | 627 | r = sd_netlink_message_append_in6_addr(req, IFA_ADDRESS, &address->in_addr_peer.in6); |
eb56eb9b MS |
628 | if (r < 0) |
629 | return log_error_errno(r, "Could not append IFA_ADDRESS attribute: %m"); | |
c081882f SS |
630 | } else { |
631 | if (address->family == AF_INET) { | |
1c4baffc | 632 | r = sd_netlink_message_append_in_addr(req, IFA_BROADCAST, &address->broadcast); |
eb56eb9b MS |
633 | if (r < 0) |
634 | return log_error_errno(r, "Could not append IFA_BROADCAST attribute: %m"); | |
c081882f | 635 | } |
f579559b TG |
636 | } |
637 | ||
638 | if (address->label) { | |
1c4baffc | 639 | r = sd_netlink_message_append_string(req, IFA_LABEL, address->label); |
eb56eb9b MS |
640 | if (r < 0) |
641 | return log_error_errno(r, "Could not append IFA_LABEL attribute: %m"); | |
f579559b TG |
642 | } |
643 | ||
1c4baffc | 644 | r = sd_netlink_message_append_cache_info(req, IFA_CACHEINFO, |
68ceb9df | 645 | &address->cinfo); |
eb56eb9b MS |
646 | if (r < 0) |
647 | return log_error_errno(r, "Could not append IFA_CACHEINFO attribute: %m"); | |
68ceb9df | 648 | |
fcf50cff | 649 | r = address_establish(address, link); |
eb56eb9b | 650 | if (r < 0) |
fcf50cff TG |
651 | return r; |
652 | ||
653 | r = sd_netlink_call_async(link->manager->rtnl, req, callback, link, 0, NULL); | |
654 | if (r < 0) { | |
655 | address_release(address); | |
eb56eb9b | 656 | return log_error_errno(r, "Could not send rtnetlink message: %m"); |
fcf50cff | 657 | } |
f579559b | 658 | |
563c69c6 TG |
659 | link_ref(link); |
660 | ||
adda1ed9 TG |
661 | r = address_add(link, address->family, &address->in_addr, address->prefixlen, NULL); |
662 | if (r < 0) { | |
663 | address_release(address); | |
664 | return log_error_errno(r, "Could not add address: %m"); | |
665 | } | |
666 | ||
f579559b TG |
667 | return 0; |
668 | } | |
669 | ||
44e7b949 LP |
670 | int config_parse_broadcast( |
671 | const char *unit, | |
eb0ea358 TG |
672 | const char *filename, |
673 | unsigned line, | |
674 | const char *section, | |
675 | unsigned section_line, | |
676 | const char *lvalue, | |
677 | int ltype, | |
678 | const char *rvalue, | |
679 | void *data, | |
680 | void *userdata) { | |
44e7b949 | 681 | |
eb0ea358 TG |
682 | Network *network = userdata; |
683 | _cleanup_address_free_ Address *n = NULL; | |
eb0ea358 TG |
684 | int r; |
685 | ||
686 | assert(filename); | |
687 | assert(section); | |
688 | assert(lvalue); | |
689 | assert(rvalue); | |
690 | assert(data); | |
691 | ||
f4859fc7 | 692 | r = address_new_static(network, filename, section_line, &n); |
eb0ea358 TG |
693 | if (r < 0) |
694 | return r; | |
695 | ||
482e2ac1 | 696 | if (n->family == AF_INET6) { |
12ca818f | 697 | log_syntax(unit, LOG_ERR, filename, line, 0, "Broadcast is not valid for IPv6 addresses, ignoring assignment: %s", rvalue); |
482e2ac1 TG |
698 | return 0; |
699 | } | |
700 | ||
44e7b949 | 701 | r = in_addr_from_string(AF_INET, rvalue, (union in_addr_union*) &n->broadcast); |
eb0ea358 | 702 | if (r < 0) { |
12ca818f | 703 | log_syntax(unit, LOG_ERR, filename, line, r, "Broadcast is invalid, ignoring assignment: %s", rvalue); |
eb0ea358 TG |
704 | return 0; |
705 | } | |
706 | ||
44e7b949 | 707 | n->family = AF_INET; |
eb0ea358 TG |
708 | n = NULL; |
709 | ||
710 | return 0; | |
711 | } | |
712 | ||
f579559b TG |
713 | int config_parse_address(const char *unit, |
714 | const char *filename, | |
715 | unsigned line, | |
716 | const char *section, | |
71a61510 | 717 | unsigned section_line, |
f579559b TG |
718 | const char *lvalue, |
719 | int ltype, | |
720 | const char *rvalue, | |
721 | void *data, | |
722 | void *userdata) { | |
44e7b949 | 723 | |
6ae115c1 | 724 | Network *network = userdata; |
f579559b | 725 | _cleanup_address_free_ Address *n = NULL; |
44e7b949 LP |
726 | const char *address, *e; |
727 | union in_addr_union buffer; | |
728 | int r, f; | |
f579559b TG |
729 | |
730 | assert(filename); | |
6ae115c1 | 731 | assert(section); |
f579559b TG |
732 | assert(lvalue); |
733 | assert(rvalue); | |
734 | assert(data); | |
735 | ||
92fe133a TG |
736 | if (streq(section, "Network")) { |
737 | /* we are not in an Address section, so treat | |
738 | * this as the special '0' section */ | |
f4859fc7 SS |
739 | r = address_new_static(network, NULL, 0, &n); |
740 | } else | |
741 | r = address_new_static(network, filename, section_line, &n); | |
92fe133a | 742 | |
f579559b TG |
743 | if (r < 0) |
744 | return r; | |
745 | ||
746 | /* Address=address/prefixlen */ | |
747 | ||
748 | /* prefixlen */ | |
749 | e = strchr(rvalue, '/'); | |
750 | if (e) { | |
751 | unsigned i; | |
12ca818f | 752 | |
f579559b TG |
753 | r = safe_atou(e + 1, &i); |
754 | if (r < 0) { | |
12ca818f | 755 | log_syntax(unit, LOG_ERR, filename, line, r, "Prefix length is invalid, ignoring assignment: %s", e + 1); |
f579559b TG |
756 | return 0; |
757 | } | |
758 | ||
759 | n->prefixlen = (unsigned char) i; | |
8cd11a0f | 760 | |
44e7b949 LP |
761 | address = strndupa(rvalue, e - rvalue); |
762 | } else | |
763 | address = rvalue; | |
f579559b | 764 | |
44e7b949 | 765 | r = in_addr_from_string_auto(address, &f, &buffer); |
f579559b | 766 | if (r < 0) { |
12ca818f | 767 | log_syntax(unit, LOG_ERR, filename, line, r, "Address is invalid, ignoring assignment: %s", address); |
f579559b TG |
768 | return 0; |
769 | } | |
770 | ||
a2a85a22 | 771 | if (!e && f == AF_INET) { |
5a941f5f | 772 | r = in4_addr_default_prefixlen(&buffer.in, &n->prefixlen); |
a2a85a22 | 773 | if (r < 0) { |
12ca818f | 774 | log_syntax(unit, LOG_ERR, filename, line, r, "Prefix length not specified, and a default one can not be deduced for '%s', ignoring assignment", address); |
a2a85a22 TG |
775 | return 0; |
776 | } | |
777 | } | |
778 | ||
44e7b949 | 779 | if (n->family != AF_UNSPEC && f != n->family) { |
12ca818f | 780 | log_syntax(unit, LOG_ERR, filename, line, 0, "Address is incompatible, ignoring assignment: %s", address); |
44e7b949 LP |
781 | return 0; |
782 | } | |
783 | ||
784 | n->family = f; | |
785 | ||
786 | if (streq(lvalue, "Address")) | |
787 | n->in_addr = buffer; | |
788 | else | |
789 | n->in_addr_peer = buffer; | |
790 | ||
791 | if (n->family == AF_INET && n->broadcast.s_addr == 0) | |
792 | n->broadcast.s_addr = n->in_addr.in.s_addr | htonl(0xfffffffflu >> n->prefixlen); | |
eb0ea358 | 793 | |
f579559b TG |
794 | n = NULL; |
795 | ||
796 | return 0; | |
797 | } | |
6ae115c1 | 798 | |
d31645ad LP |
799 | int config_parse_label( |
800 | const char *unit, | |
6ae115c1 TG |
801 | const char *filename, |
802 | unsigned line, | |
803 | const char *section, | |
804 | unsigned section_line, | |
805 | const char *lvalue, | |
806 | int ltype, | |
807 | const char *rvalue, | |
808 | void *data, | |
809 | void *userdata) { | |
d31645ad | 810 | |
6ae115c1 | 811 | _cleanup_address_free_ Address *n = NULL; |
d31645ad | 812 | Network *network = userdata; |
6ae115c1 TG |
813 | int r; |
814 | ||
815 | assert(filename); | |
816 | assert(section); | |
817 | assert(lvalue); | |
818 | assert(rvalue); | |
819 | assert(data); | |
820 | ||
f4859fc7 | 821 | r = address_new_static(network, filename, section_line, &n); |
6ae115c1 TG |
822 | if (r < 0) |
823 | return r; | |
824 | ||
a87d19fe SS |
825 | if (!address_label_valid(rvalue)) { |
826 | log_syntax(unit, LOG_ERR, filename, line, 0, "Interface label is too long or invalid, ignoring assignment: %s", rvalue); | |
6ae115c1 TG |
827 | return 0; |
828 | } | |
829 | ||
d31645ad LP |
830 | r = free_and_strdup(&n->label, rvalue); |
831 | if (r < 0) | |
832 | return log_oom(); | |
6ae115c1 TG |
833 | |
834 | n = NULL; | |
835 | ||
836 | return 0; | |
837 | } | |
ce6c77eb | 838 | |
b5834a0b SS |
839 | int config_parse_lifetime(const char *unit, |
840 | const char *filename, | |
841 | unsigned line, | |
842 | const char *section, | |
843 | unsigned section_line, | |
844 | const char *lvalue, | |
845 | int ltype, | |
846 | const char *rvalue, | |
847 | void *data, | |
848 | void *userdata) { | |
849 | Network *network = userdata; | |
850 | _cleanup_address_free_ Address *n = NULL; | |
851 | unsigned k; | |
852 | int r; | |
853 | ||
854 | assert(filename); | |
855 | assert(section); | |
856 | assert(lvalue); | |
857 | assert(rvalue); | |
858 | assert(data); | |
859 | ||
f4859fc7 | 860 | r = address_new_static(network, filename, section_line, &n); |
b5834a0b SS |
861 | if (r < 0) |
862 | return r; | |
863 | ||
864 | if (STR_IN_SET(rvalue, "forever", "infinity")) { | |
865 | n->cinfo.ifa_prefered = CACHE_INFO_INFINITY_LIFE_TIME; | |
866 | n = NULL; | |
867 | ||
868 | return 0; | |
869 | } | |
870 | ||
871 | r = safe_atou(rvalue, &k); | |
872 | if (r < 0) { | |
873 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse PreferredLifetime, ignoring: %s", rvalue); | |
874 | return 0; | |
875 | } | |
876 | ||
877 | if (k != 0) | |
878 | log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid PreferredLifetime value, ignoring: %d", k); | |
879 | else { | |
880 | n->cinfo.ifa_prefered = k; | |
881 | n = NULL; | |
882 | } | |
883 | ||
884 | return 0; | |
885 | } | |
886 | ||
e63be084 SS |
887 | int config_parse_address_flags(const char *unit, |
888 | const char *filename, | |
889 | unsigned line, | |
890 | const char *section, | |
891 | unsigned section_line, | |
892 | const char *lvalue, | |
893 | int ltype, | |
894 | const char *rvalue, | |
895 | void *data, | |
896 | void *userdata) { | |
897 | Network *network = userdata; | |
898 | _cleanup_address_free_ Address *n = NULL; | |
899 | int r; | |
900 | ||
901 | assert(filename); | |
902 | assert(section); | |
903 | assert(lvalue); | |
904 | assert(rvalue); | |
905 | assert(data); | |
906 | ||
f4859fc7 | 907 | r = address_new_static(network, filename, section_line, &n); |
e63be084 SS |
908 | if (r < 0) |
909 | return r; | |
910 | ||
911 | r = parse_boolean(rvalue); | |
912 | if (r < 0) { | |
913 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse address flag, ignoring: %s", rvalue); | |
914 | return 0; | |
915 | } | |
916 | ||
917 | if (streq(lvalue, "HomeAddress")) | |
918 | n->home_address = r; | |
919 | else if (streq(lvalue, "DuplicateAddressDetection")) | |
920 | n->duplicate_address_detection = r; | |
921 | else if (streq(lvalue, "ManageTemporaryAddress")) | |
922 | n->manage_temporary_address = r; | |
923 | else if (streq(lvalue, "PrefixRoute")) | |
924 | n->prefix_route = r; | |
925 | else if (streq(lvalue, "AutoJoin")) | |
926 | n->autojoin = r; | |
927 | ||
928 | return 0; | |
929 | } | |
930 | ||
2959fb07 SS |
931 | int config_parse_address_scope(const char *unit, |
932 | const char *filename, | |
933 | unsigned line, | |
934 | const char *section, | |
935 | unsigned section_line, | |
936 | const char *lvalue, | |
937 | int ltype, | |
938 | const char *rvalue, | |
939 | void *data, | |
940 | void *userdata) { | |
941 | Network *network = userdata; | |
942 | _cleanup_address_free_ Address *n = NULL; | |
943 | int r; | |
944 | ||
945 | assert(filename); | |
946 | assert(section); | |
947 | assert(lvalue); | |
948 | assert(rvalue); | |
949 | assert(data); | |
950 | ||
951 | r = address_new_static(network, filename, section_line, &n); | |
952 | if (r < 0) | |
953 | return r; | |
954 | ||
955 | if (streq(rvalue, "host")) | |
956 | n->scope = RT_SCOPE_HOST; | |
957 | else if (streq(rvalue, "link")) | |
958 | n->scope = RT_SCOPE_LINK; | |
959 | else if (streq(rvalue, "global")) | |
960 | n->scope = RT_SCOPE_UNIVERSE; | |
961 | else { | |
962 | r = safe_atou8(rvalue , &n->scope); | |
963 | if (r < 0) { | |
964 | log_syntax(unit, LOG_ERR, filename, line, r, "Could not parse address scope \"%s\", ignoring assignment: %m", rvalue); | |
965 | return 0; | |
966 | } | |
967 | } | |
968 | ||
969 | n = NULL; | |
970 | ||
971 | return 0; | |
972 | } | |
973 | ||
ce6c77eb TG |
974 | bool address_is_ready(const Address *a) { |
975 | assert(a); | |
976 | ||
63bbe5c7 | 977 | return !(a->flags & (IFA_F_TENTATIVE | IFA_F_DEPRECATED)); |
ce6c77eb | 978 | } |
057abfd8 | 979 | |
7d5cac19 PF |
980 | int config_parse_router_preference(const char *unit, |
981 | const char *filename, | |
982 | unsigned line, | |
983 | const char *section, | |
984 | unsigned section_line, | |
985 | const char *lvalue, | |
986 | int ltype, | |
987 | const char *rvalue, | |
988 | void *data, | |
989 | void *userdata) { | |
990 | Network *network = userdata; | |
991 | ||
992 | assert(filename); | |
993 | assert(section); | |
994 | assert(lvalue); | |
995 | assert(rvalue); | |
996 | assert(data); | |
997 | ||
998 | if (streq(rvalue, "high")) | |
999 | network->router_preference = SD_NDISC_PREFERENCE_HIGH; | |
1000 | else if (STR_IN_SET(rvalue, "medium", "normal", "default")) | |
1001 | network->router_preference = SD_NDISC_PREFERENCE_MEDIUM; | |
1002 | else if (streq(rvalue, "low")) | |
1003 | network->router_preference = SD_NDISC_PREFERENCE_LOW; | |
1004 | else | |
1005 | log_syntax(unit, LOG_ERR, filename, line, -EINVAL, "Router preference '%s' is invalid, ignoring assignment: %m", rvalue); | |
1006 | ||
1007 | return 0; | |
1008 | } | |
1009 | ||
057abfd8 PF |
1010 | void prefix_free(Prefix *prefix) { |
1011 | if (!prefix) | |
1012 | return; | |
1013 | ||
1014 | if (prefix->network) { | |
1015 | LIST_REMOVE(prefixes, prefix->network->static_prefixes, prefix); | |
1016 | assert(prefix->network->n_static_prefixes > 0); | |
1017 | prefix->network->n_static_prefixes--; | |
1018 | ||
1019 | if (prefix->section) | |
1020 | hashmap_remove(prefix->network->prefixes_by_section, | |
1021 | prefix->section); | |
1022 | } | |
1023 | ||
9d5d0090 PF |
1024 | prefix->radv_prefix = sd_radv_prefix_unref(prefix->radv_prefix); |
1025 | ||
057abfd8 PF |
1026 | free(prefix); |
1027 | } | |
1028 | ||
1029 | int prefix_new(Prefix **ret) { | |
1030 | Prefix *prefix = NULL; | |
1031 | ||
1032 | prefix = new0(Prefix, 1); | |
1033 | if (!prefix) | |
1034 | return -ENOMEM; | |
1035 | ||
9d5d0090 PF |
1036 | if (sd_radv_prefix_new(&prefix->radv_prefix) < 0) |
1037 | return -ENOMEM; | |
1038 | ||
057abfd8 PF |
1039 | *ret = prefix; |
1040 | prefix = NULL; | |
1041 | ||
1042 | return 0; | |
1043 | } | |
1044 | ||
1045 | int prefix_new_static(Network *network, const char *filename, | |
1046 | unsigned section_line, Prefix **ret) { | |
1047 | _cleanup_network_config_section_free_ NetworkConfigSection *n = NULL; | |
1048 | _cleanup_prefix_free_ Prefix *prefix = NULL; | |
1049 | int r; | |
1050 | ||
1051 | assert(network); | |
1052 | assert(ret); | |
1053 | assert(!!filename == (section_line > 0)); | |
1054 | ||
1055 | if (filename) { | |
1056 | r = network_config_section_new(filename, section_line, &n); | |
1057 | if (r < 0) | |
1058 | return r; | |
1059 | ||
1060 | if (section_line) { | |
1061 | prefix = hashmap_get(network->prefixes_by_section, n); | |
1062 | if (prefix) { | |
1063 | *ret = prefix; | |
1064 | prefix = NULL; | |
1065 | ||
1066 | return 0; | |
1067 | } | |
1068 | } | |
1069 | } | |
1070 | ||
1071 | r = prefix_new(&prefix); | |
1072 | if (r < 0) | |
1073 | return r; | |
1074 | ||
1075 | if (filename) { | |
1076 | prefix->section = n; | |
1077 | n = NULL; | |
1078 | ||
1079 | r = hashmap_put(network->prefixes_by_section, prefix->section, | |
1080 | prefix); | |
1081 | if (r < 0) | |
1082 | return r; | |
1083 | } | |
1084 | ||
1085 | prefix->network = network; | |
1086 | LIST_APPEND(prefixes, network->static_prefixes, prefix); | |
1087 | network->n_static_prefixes++; | |
1088 | ||
1089 | *ret = prefix; | |
1090 | prefix = NULL; | |
1091 | ||
1092 | return 0; | |
1093 | } | |
9d5d0090 PF |
1094 | |
1095 | int config_parse_prefix(const char *unit, | |
1096 | const char *filename, | |
1097 | unsigned line, | |
1098 | const char *section, | |
1099 | unsigned section_line, | |
1100 | const char *lvalue, | |
1101 | int ltype, | |
1102 | const char *rvalue, | |
1103 | void *data, | |
1104 | void *userdata) { | |
1105 | ||
1106 | Network *network = userdata; | |
1107 | _cleanup_prefix_free_ Prefix *p = NULL; | |
1108 | uint8_t prefixlen = 64; | |
1109 | union in_addr_union in6addr; | |
1110 | int r; | |
1111 | ||
1112 | assert(filename); | |
1113 | assert(section); | |
1114 | assert(lvalue); | |
1115 | assert(rvalue); | |
1116 | assert(data); | |
1117 | ||
1118 | r = prefix_new_static(network, filename, section_line, &p); | |
1119 | if (r < 0) | |
1120 | return r; | |
1121 | ||
1122 | r = in_addr_prefix_from_string(rvalue, AF_INET6, &in6addr, &prefixlen); | |
1123 | if (r < 0) { | |
1124 | log_syntax(unit, LOG_ERR, filename, line, r, "Prefix is invalid, ignoring assignment: %s", rvalue); | |
1125 | return 0; | |
1126 | } | |
1127 | ||
1128 | if (sd_radv_prefix_set_prefix(p->radv_prefix, &in6addr.in6, prefixlen) < 0) | |
1129 | return -EADDRNOTAVAIL; | |
1130 | ||
1131 | log_syntax(unit, LOG_INFO, filename, line, r, "Found prefix %s", rvalue); | |
1132 | ||
1133 | p = NULL; | |
1134 | ||
1135 | return 0; | |
1136 | } | |
1137 | ||
1138 | int config_parse_prefix_flags(const char *unit, | |
1139 | const char *filename, | |
1140 | unsigned line, | |
1141 | const char *section, | |
1142 | unsigned section_line, | |
1143 | const char *lvalue, | |
1144 | int ltype, | |
1145 | const char *rvalue, | |
1146 | void *data, | |
1147 | void *userdata) { | |
1148 | Network *network = userdata; | |
1149 | _cleanup_prefix_free_ Prefix *p = NULL; | |
1150 | int r, val; | |
1151 | ||
1152 | assert(filename); | |
1153 | assert(section); | |
1154 | assert(lvalue); | |
1155 | assert(rvalue); | |
1156 | assert(data); | |
1157 | ||
1158 | r = prefix_new_static(network, filename, section_line, &p); | |
1159 | if (r < 0) | |
1160 | return r; | |
1161 | ||
1162 | r = parse_boolean(rvalue); | |
1163 | if (r < 0) { | |
1164 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse address flag, ignoring: %s", rvalue); | |
1165 | return 0; | |
1166 | } | |
1167 | ||
1168 | val = r; | |
1169 | ||
1170 | if (streq(lvalue, "OnLink")) | |
1171 | r = sd_radv_prefix_set_onlink(p->radv_prefix, val); | |
1172 | else if (streq(lvalue, "AddressAutoconfiguration")) | |
1173 | r = sd_radv_prefix_set_address_autoconfiguration(p->radv_prefix, val); | |
1174 | if (r < 0) | |
1175 | return r; | |
1176 | ||
1177 | p = NULL; | |
1178 | ||
1179 | return 0; | |
1180 | } | |
1181 | ||
1182 | int config_parse_prefix_lifetime(const char *unit, | |
1183 | const char *filename, | |
1184 | unsigned line, | |
1185 | const char *section, | |
1186 | unsigned section_line, | |
1187 | const char *lvalue, | |
1188 | int ltype, | |
1189 | const char *rvalue, | |
1190 | void *data, | |
1191 | void *userdata) { | |
1192 | Network *network = userdata; | |
1193 | _cleanup_prefix_free_ Prefix *p = NULL; | |
1194 | usec_t usec; | |
1195 | int r; | |
1196 | ||
1197 | assert(filename); | |
1198 | assert(section); | |
1199 | assert(lvalue); | |
1200 | assert(rvalue); | |
1201 | assert(data); | |
1202 | ||
1203 | r = prefix_new_static(network, filename, section_line, &p); | |
1204 | if (r < 0) | |
1205 | return r; | |
1206 | ||
1207 | r = parse_sec(rvalue, &usec); | |
1208 | if (r < 0) { | |
1209 | log_syntax(unit, LOG_ERR, filename, line, r, "Lifetime is invalid, ignoring assignment: %s", rvalue); | |
1210 | return 0; | |
1211 | } | |
1212 | ||
301a2fb9 | 1213 | /* a value of 0xffffffff represents infinity */ |
9d5d0090 PF |
1214 | if (streq(lvalue, "PreferredLifetimeSec")) |
1215 | r = sd_radv_prefix_set_preferred_lifetime(p->radv_prefix, | |
6abd0ef3 | 1216 | DIV_ROUND_UP(usec, USEC_PER_SEC)); |
9d5d0090 PF |
1217 | else if (streq(lvalue, "ValidLifetimeSec")) |
1218 | r = sd_radv_prefix_set_valid_lifetime(p->radv_prefix, | |
6abd0ef3 | 1219 | DIV_ROUND_UP(usec, USEC_PER_SEC)); |
9d5d0090 PF |
1220 | if (r < 0) |
1221 | return r; | |
1222 | ||
1223 | p = NULL; | |
1224 | ||
1225 | return 0; | |
2959fb07 | 1226 | } |