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