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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
f579559b | 2 | |
b5bf6f64 SS |
3 | #include <linux/icmpv6.h> |
4 | ||
b5efdb8a | 5 | #include "alloc-util.h" |
f579559b | 6 | #include "conf-parser.h" |
bb7ae737 | 7 | #include "in-addr-util.h" |
36dd5ffd | 8 | #include "missing_network.h" |
fc2f9534 | 9 | #include "netlink-util.h" |
23f53b99 | 10 | #include "networkd-manager.h" |
6bedfcbb | 11 | #include "networkd-route.h" |
6bedfcbb | 12 | #include "parse-util.h" |
1c8e710c | 13 | #include "set.h" |
07630cea | 14 | #include "string-util.h" |
47d2d30d | 15 | #include "sysctl-util.h" |
07630cea | 16 | #include "util.h" |
f579559b | 17 | |
47d2d30d ZJS |
18 | #define ROUTES_DEFAULT_MAX_PER_FAMILY 4096U |
19 | ||
20 | static unsigned routes_max(void) { | |
21 | static thread_local unsigned cached = 0; | |
22 | ||
23 | _cleanup_free_ char *s4 = NULL, *s6 = NULL; | |
24 | unsigned val4 = ROUTES_DEFAULT_MAX_PER_FAMILY, val6 = ROUTES_DEFAULT_MAX_PER_FAMILY; | |
25 | ||
26 | if (cached > 0) | |
27 | return cached; | |
28 | ||
29 | if (sysctl_read("net/ipv4/route/max_size", &s4) >= 0) { | |
30 | truncate_nl(s4); | |
31 | if (safe_atou(s4, &val4) >= 0 && | |
32 | val4 == 2147483647U) | |
33 | /* This is the default "no limit" value in the kernel */ | |
34 | val4 = ROUTES_DEFAULT_MAX_PER_FAMILY; | |
35 | } | |
36 | ||
37 | if (sysctl_read("net/ipv6/route/max_size", &s6) >= 0) { | |
38 | truncate_nl(s6); | |
39 | (void) safe_atou(s6, &val6); | |
40 | } | |
41 | ||
42 | cached = MAX(ROUTES_DEFAULT_MAX_PER_FAMILY, val4) + | |
43 | MAX(ROUTES_DEFAULT_MAX_PER_FAMILY, val6); | |
44 | return cached; | |
45 | } | |
8c34b963 | 46 | |
ed9e361a | 47 | int route_new(Route **ret) { |
8e766630 | 48 | _cleanup_(route_freep) Route *route = NULL; |
f0213e37 | 49 | |
17f9c355 | 50 | route = new(Route, 1); |
f0213e37 TG |
51 | if (!route) |
52 | return -ENOMEM; | |
53 | ||
17f9c355 YW |
54 | *route = (Route) { |
55 | .family = AF_UNSPEC, | |
56 | .scope = RT_SCOPE_UNIVERSE, | |
57 | .protocol = RTPROT_UNSPEC, | |
58 | .type = RTN_UNICAST, | |
59 | .table = RT_TABLE_MAIN, | |
60 | .lifetime = USEC_INFINITY, | |
61 | .quickack = -1, | |
62 | }; | |
f0213e37 | 63 | |
1cc6c93a | 64 | *ret = TAKE_PTR(route); |
f0213e37 TG |
65 | |
66 | return 0; | |
67 | } | |
68 | ||
f4859fc7 | 69 | int route_new_static(Network *network, const char *filename, unsigned section_line, Route **ret) { |
8e766630 LP |
70 | _cleanup_(network_config_section_freep) NetworkConfigSection *n = NULL; |
71 | _cleanup_(route_freep) Route *route = NULL; | |
f0213e37 | 72 | int r; |
f579559b | 73 | |
8c34b963 LP |
74 | assert(network); |
75 | assert(ret); | |
48317c39 | 76 | assert(!!filename == (section_line > 0)); |
8c34b963 | 77 | |
48317c39 | 78 | if (filename) { |
f4859fc7 SS |
79 | r = network_config_section_new(filename, section_line, &n); |
80 | if (r < 0) | |
81 | return r; | |
82 | ||
83 | route = hashmap_get(network->routes_by_section, n); | |
6ae115c1 | 84 | if (route) { |
1cc6c93a | 85 | *ret = TAKE_PTR(route); |
6ae115c1 TG |
86 | |
87 | return 0; | |
88 | } | |
89 | } | |
90 | ||
47d2d30d | 91 | if (network->n_static_routes >= routes_max()) |
8c34b963 LP |
92 | return -E2BIG; |
93 | ||
ed9e361a | 94 | r = route_new(&route); |
f0213e37 TG |
95 | if (r < 0) |
96 | return r; | |
801bd9e8 | 97 | |
ed9e361a | 98 | route->protocol = RTPROT_STATIC; |
0f7f2769 YW |
99 | route->network = network; |
100 | LIST_PREPEND(routes, network->static_routes, route); | |
101 | network->n_static_routes++; | |
f579559b | 102 | |
48317c39 | 103 | if (filename) { |
1cc6c93a | 104 | route->section = TAKE_PTR(n); |
cacc1dbf | 105 | |
3e570042 YW |
106 | r = hashmap_ensure_allocated(&network->routes_by_section, &network_config_hash_ops); |
107 | if (r < 0) | |
108 | return r; | |
109 | ||
fcc48287 | 110 | r = hashmap_put(network->routes_by_section, route->section, route); |
21b39268 LP |
111 | if (r < 0) |
112 | return r; | |
6ae115c1 TG |
113 | } |
114 | ||
1cc6c93a | 115 | *ret = TAKE_PTR(route); |
f579559b TG |
116 | |
117 | return 0; | |
118 | } | |
119 | ||
120 | void route_free(Route *route) { | |
121 | if (!route) | |
122 | return; | |
123 | ||
f048a16b | 124 | if (route->network) { |
3d3d4255 | 125 | LIST_REMOVE(routes, route->network->static_routes, route); |
f579559b | 126 | |
8c34b963 LP |
127 | assert(route->network->n_static_routes > 0); |
128 | route->network->n_static_routes--; | |
129 | ||
fd45e522 | 130 | if (route->section) |
f4859fc7 | 131 | hashmap_remove(route->network->routes_by_section, route->section); |
f048a16b | 132 | } |
6ae115c1 | 133 | |
fd45e522 ZJS |
134 | network_config_section_free(route->section); |
135 | ||
1c8e710c TG |
136 | if (route->link) { |
137 | set_remove(route->link->routes, route); | |
138 | set_remove(route->link->routes_foreign, route); | |
139 | } | |
140 | ||
f833694d TG |
141 | sd_event_source_unref(route->expire); |
142 | ||
f579559b TG |
143 | free(route); |
144 | } | |
145 | ||
7a08d314 | 146 | static void route_hash_func(const Route *route, struct siphash *state) { |
bb7ae737 TG |
147 | assert(route); |
148 | ||
149 | siphash24_compress(&route->family, sizeof(route->family), state); | |
150 | ||
151 | switch (route->family) { | |
152 | case AF_INET: | |
153 | case AF_INET6: | |
154 | /* Equality of routes are given by the 4-touple | |
155 | (dst_prefix,dst_prefixlen,tos,priority,table) */ | |
2ce40956 | 156 | siphash24_compress(&route->dst, FAMILY_ADDRESS_SIZE(route->family), state); |
bb7ae737 TG |
157 | siphash24_compress(&route->dst_prefixlen, sizeof(route->dst_prefixlen), state); |
158 | siphash24_compress(&route->tos, sizeof(route->tos), state); | |
159 | siphash24_compress(&route->priority, sizeof(route->priority), state); | |
160 | siphash24_compress(&route->table, sizeof(route->table), state); | |
161 | ||
162 | break; | |
163 | default: | |
164 | /* treat any other address family as AF_UNSPEC */ | |
165 | break; | |
166 | } | |
167 | } | |
168 | ||
7a08d314 | 169 | static int route_compare_func(const Route *a, const Route *b) { |
a0edd02e | 170 | int r; |
bb7ae737 | 171 | |
a0edd02e FB |
172 | r = CMP(a->family, b->family); |
173 | if (r != 0) | |
174 | return r; | |
bb7ae737 TG |
175 | |
176 | switch (a->family) { | |
177 | case AF_INET: | |
178 | case AF_INET6: | |
a0edd02e FB |
179 | r = CMP(a->dst_prefixlen, b->dst_prefixlen); |
180 | if (r != 0) | |
181 | return r; | |
182 | ||
183 | r = CMP(a->tos, b->tos); | |
184 | if (r != 0) | |
185 | return r; | |
186 | ||
187 | r = CMP(a->priority, b->priority); | |
188 | if (r != 0) | |
189 | return r; | |
190 | ||
191 | r = CMP(a->table, b->table); | |
192 | if (r != 0) | |
193 | return r; | |
bb7ae737 | 194 | |
2ce40956 | 195 | return memcmp(&a->dst, &b->dst, FAMILY_ADDRESS_SIZE(a->family)); |
bb7ae737 TG |
196 | default: |
197 | /* treat any other address family as AF_UNSPEC */ | |
198 | return 0; | |
199 | } | |
200 | } | |
201 | ||
7a08d314 | 202 | DEFINE_PRIVATE_HASH_OPS(route_hash_ops, Route, route_hash_func, route_compare_func); |
bb7ae737 | 203 | |
7ecf0c3e TJ |
204 | bool route_equal(Route *r1, Route *r2) { |
205 | if (r1 == r2) | |
206 | return true; | |
207 | ||
208 | if (!r1 || !r2) | |
209 | return false; | |
210 | ||
211 | return route_compare_func(r1, r2) == 0; | |
212 | } | |
213 | ||
1c8e710c TG |
214 | int route_get(Link *link, |
215 | int family, | |
1b566071 | 216 | const union in_addr_union *dst, |
1c8e710c TG |
217 | unsigned char dst_prefixlen, |
218 | unsigned char tos, | |
219 | uint32_t priority, | |
14d20d2b | 220 | uint32_t table, |
1c8e710c | 221 | Route **ret) { |
1b566071 LP |
222 | |
223 | Route route, *existing; | |
224 | ||
225 | assert(link); | |
226 | assert(dst); | |
227 | ||
228 | route = (Route) { | |
1c8e710c | 229 | .family = family, |
1b566071 | 230 | .dst = *dst, |
1c8e710c TG |
231 | .dst_prefixlen = dst_prefixlen, |
232 | .tos = tos, | |
233 | .priority = priority, | |
234 | .table = table, | |
1b566071 | 235 | }; |
1c8e710c TG |
236 | |
237 | existing = set_get(link->routes, &route); | |
238 | if (existing) { | |
1b566071 LP |
239 | if (ret) |
240 | *ret = existing; | |
1c8e710c | 241 | return 1; |
1c8e710c TG |
242 | } |
243 | ||
1b566071 LP |
244 | existing = set_get(link->routes_foreign, &route); |
245 | if (existing) { | |
246 | if (ret) | |
247 | *ret = existing; | |
248 | return 0; | |
249 | } | |
1c8e710c | 250 | |
1b566071 | 251 | return -ENOENT; |
1c8e710c TG |
252 | } |
253 | ||
889b550f LP |
254 | static int route_add_internal( |
255 | Link *link, | |
256 | Set **routes, | |
257 | int family, | |
258 | const union in_addr_union *dst, | |
259 | unsigned char dst_prefixlen, | |
260 | unsigned char tos, | |
261 | uint32_t priority, | |
14d20d2b | 262 | uint32_t table, |
889b550f LP |
263 | Route **ret) { |
264 | ||
8e766630 | 265 | _cleanup_(route_freep) Route *route = NULL; |
1c8e710c TG |
266 | int r; |
267 | ||
268 | assert(link); | |
269 | assert(routes); | |
270 | assert(dst); | |
271 | ||
272 | r = route_new(&route); | |
273 | if (r < 0) | |
274 | return r; | |
275 | ||
276 | route->family = family; | |
277 | route->dst = *dst; | |
278 | route->dst_prefixlen = dst_prefixlen; | |
279 | route->tos = tos; | |
280 | route->priority = priority; | |
281 | route->table = table; | |
282 | ||
283 | r = set_ensure_allocated(routes, &route_hash_ops); | |
284 | if (r < 0) | |
285 | return r; | |
286 | ||
287 | r = set_put(*routes, route); | |
288 | if (r < 0) | |
289 | return r; | |
290 | ||
291 | route->link = link; | |
292 | ||
293 | if (ret) | |
294 | *ret = route; | |
295 | ||
296 | route = NULL; | |
297 | ||
298 | return 0; | |
299 | } | |
300 | ||
889b550f LP |
301 | int route_add_foreign( |
302 | Link *link, | |
303 | int family, | |
304 | const union in_addr_union *dst, | |
305 | unsigned char dst_prefixlen, | |
306 | unsigned char tos, | |
307 | uint32_t priority, | |
14d20d2b | 308 | uint32_t table, |
889b550f LP |
309 | Route **ret) { |
310 | ||
1c8e710c TG |
311 | return route_add_internal(link, &link->routes_foreign, family, dst, dst_prefixlen, tos, priority, table, ret); |
312 | } | |
313 | ||
27efb52b | 314 | int route_add(Link *link, |
1c8e710c | 315 | int family, |
889b550f | 316 | const union in_addr_union *dst, |
1c8e710c TG |
317 | unsigned char dst_prefixlen, |
318 | unsigned char tos, | |
319 | uint32_t priority, | |
14d20d2b | 320 | uint32_t table, |
889b550f LP |
321 | Route **ret) { |
322 | ||
1c8e710c TG |
323 | Route *route; |
324 | int r; | |
325 | ||
326 | r = route_get(link, family, dst, dst_prefixlen, tos, priority, table, &route); | |
327 | if (r == -ENOENT) { | |
328 | /* Route does not exist, create a new one */ | |
329 | r = route_add_internal(link, &link->routes, family, dst, dst_prefixlen, tos, priority, table, &route); | |
330 | if (r < 0) | |
331 | return r; | |
332 | } else if (r == 0) { | |
333 | /* Take over a foreign route */ | |
334 | r = set_ensure_allocated(&link->routes, &route_hash_ops); | |
335 | if (r < 0) | |
336 | return r; | |
337 | ||
338 | r = set_put(link->routes, route); | |
339 | if (r < 0) | |
340 | return r; | |
341 | ||
342 | set_remove(link->routes_foreign, route); | |
343 | } else if (r == 1) { | |
344 | /* Route exists, do nothing */ | |
345 | ; | |
346 | } else | |
347 | return r; | |
348 | ||
856e309d MC |
349 | if (ret) |
350 | *ret = route; | |
1c8e710c TG |
351 | |
352 | return 0; | |
353 | } | |
354 | ||
bbd15900 | 355 | void route_update(Route *route, |
27efb52b YW |
356 | const union in_addr_union *src, |
357 | unsigned char src_prefixlen, | |
358 | const union in_addr_union *gw, | |
359 | const union in_addr_union *prefsrc, | |
360 | unsigned char scope, | |
361 | unsigned char protocol, | |
362 | unsigned char type) { | |
889b550f | 363 | |
1c8e710c | 364 | assert(route); |
26db55f3 | 365 | assert(src || src_prefixlen == 0); |
1c8e710c | 366 | |
3c7911e8 | 367 | route->src = src ? *src : IN_ADDR_NULL; |
1c8e710c | 368 | route->src_prefixlen = src_prefixlen; |
3c7911e8 YW |
369 | route->gw = gw ? *gw : IN_ADDR_NULL; |
370 | route->prefsrc = prefsrc ? *prefsrc : IN_ADDR_NULL; | |
1c8e710c TG |
371 | route->scope = scope; |
372 | route->protocol = protocol; | |
983226f3 | 373 | route->type = type; |
1c8e710c TG |
374 | } |
375 | ||
302a796f | 376 | static int route_remove_handler(sd_netlink *rtnl, sd_netlink_message *m, Link *link) { |
4645ad47 YW |
377 | int r; |
378 | ||
379 | assert(m); | |
380 | assert(link); | |
381 | assert(link->ifname); | |
382 | ||
383 | if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER)) | |
384 | return 1; | |
385 | ||
386 | r = sd_netlink_message_get_errno(m); | |
387 | if (r < 0 && r != -ESRCH) | |
388 | log_link_warning_errno(link, r, "Could not drop route: %m"); | |
389 | ||
390 | return 1; | |
391 | } | |
392 | ||
91b5f997 | 393 | int route_remove(Route *route, Link *link, |
302a796f | 394 | link_netlink_message_handler_t callback) { |
27efb52b | 395 | |
4afd3348 | 396 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; |
5c1d3fc9 UTL |
397 | int r; |
398 | ||
399 | assert(link); | |
400 | assert(link->manager); | |
401 | assert(link->manager->rtnl); | |
402 | assert(link->ifindex > 0); | |
4c701096 | 403 | assert(IN_SET(route->family, AF_INET, AF_INET6)); |
5c1d3fc9 UTL |
404 | |
405 | r = sd_rtnl_message_new_route(link->manager->rtnl, &req, | |
28cc555d DW |
406 | RTM_DELROUTE, route->family, |
407 | route->protocol); | |
f647962d MS |
408 | if (r < 0) |
409 | return log_error_errno(r, "Could not create RTM_DELROUTE message: %m"); | |
5c1d3fc9 | 410 | |
2ce40956 | 411 | if (!in_addr_is_null(route->family, &route->gw)) { |
59580681 | 412 | if (route->family == AF_INET) |
2ce40956 | 413 | r = sd_netlink_message_append_in_addr(req, RTA_GATEWAY, &route->gw.in); |
59580681 | 414 | else if (route->family == AF_INET6) |
2ce40956 | 415 | r = sd_netlink_message_append_in6_addr(req, RTA_GATEWAY, &route->gw.in6); |
f647962d MS |
416 | if (r < 0) |
417 | return log_error_errno(r, "Could not append RTA_GATEWAY attribute: %m"); | |
5c1d3fc9 UTL |
418 | } |
419 | ||
420 | if (route->dst_prefixlen) { | |
421 | if (route->family == AF_INET) | |
2ce40956 | 422 | r = sd_netlink_message_append_in_addr(req, RTA_DST, &route->dst.in); |
5c1d3fc9 | 423 | else if (route->family == AF_INET6) |
2ce40956 | 424 | r = sd_netlink_message_append_in6_addr(req, RTA_DST, &route->dst.in6); |
f647962d MS |
425 | if (r < 0) |
426 | return log_error_errno(r, "Could not append RTA_DST attribute: %m"); | |
5c1d3fc9 UTL |
427 | |
428 | r = sd_rtnl_message_route_set_dst_prefixlen(req, route->dst_prefixlen); | |
f647962d MS |
429 | if (r < 0) |
430 | return log_error_errno(r, "Could not set destination prefix length: %m"); | |
5c1d3fc9 UTL |
431 | } |
432 | ||
9e7e4408 TG |
433 | if (route->src_prefixlen) { |
434 | if (route->family == AF_INET) | |
2ce40956 | 435 | r = sd_netlink_message_append_in_addr(req, RTA_SRC, &route->src.in); |
9e7e4408 | 436 | else if (route->family == AF_INET6) |
2ce40956 | 437 | r = sd_netlink_message_append_in6_addr(req, RTA_SRC, &route->src.in6); |
9e7e4408 | 438 | if (r < 0) |
d9d94393 | 439 | return log_error_errno(r, "Could not append RTA_SRC attribute: %m"); |
9e7e4408 TG |
440 | |
441 | r = sd_rtnl_message_route_set_src_prefixlen(req, route->src_prefixlen); | |
442 | if (r < 0) | |
443 | return log_error_errno(r, "Could not set source prefix length: %m"); | |
444 | } | |
445 | ||
2ce40956 | 446 | if (!in_addr_is_null(route->family, &route->prefsrc)) { |
46b0c76e | 447 | if (route->family == AF_INET) |
2ce40956 | 448 | r = sd_netlink_message_append_in_addr(req, RTA_PREFSRC, &route->prefsrc.in); |
46b0c76e | 449 | else if (route->family == AF_INET6) |
2ce40956 | 450 | r = sd_netlink_message_append_in6_addr(req, RTA_PREFSRC, &route->prefsrc.in6); |
f647962d MS |
451 | if (r < 0) |
452 | return log_error_errno(r, "Could not append RTA_PREFSRC attribute: %m"); | |
46b0c76e ERB |
453 | } |
454 | ||
5c1d3fc9 | 455 | r = sd_rtnl_message_route_set_scope(req, route->scope); |
f647962d MS |
456 | if (r < 0) |
457 | return log_error_errno(r, "Could not set scope: %m"); | |
5c1d3fc9 | 458 | |
86655331 | 459 | r = sd_netlink_message_append_u32(req, RTA_PRIORITY, route->priority); |
f647962d MS |
460 | if (r < 0) |
461 | return log_error_errno(r, "Could not append RTA_PRIORITY attribute: %m"); | |
5c1d3fc9 | 462 | |
2d53f310 | 463 | if (!IN_SET(route->type, RTN_UNREACHABLE, RTN_PROHIBIT, RTN_BLACKHOLE, RTN_THROW)) { |
983226f3 SS |
464 | r = sd_netlink_message_append_u32(req, RTA_OIF, link->ifindex); |
465 | if (r < 0) | |
466 | return log_error_errno(r, "Could not append RTA_OIF attribute: %m"); | |
467 | } | |
5c1d3fc9 | 468 | |
302a796f YW |
469 | r = netlink_call_async(link->manager->rtnl, NULL, req, |
470 | callback ?: route_remove_handler, | |
471 | link_netlink_destroy_callback, link); | |
f647962d MS |
472 | if (r < 0) |
473 | return log_error_errno(r, "Could not send rtnetlink message: %m"); | |
5c1d3fc9 | 474 | |
563c69c6 TG |
475 | link_ref(link); |
476 | ||
5c1d3fc9 UTL |
477 | return 0; |
478 | } | |
479 | ||
f833694d TG |
480 | int route_expire_handler(sd_event_source *s, uint64_t usec, void *userdata) { |
481 | Route *route = userdata; | |
482 | int r; | |
483 | ||
484 | assert(route); | |
485 | ||
4645ad47 | 486 | r = route_remove(route, route->link, NULL); |
f833694d TG |
487 | if (r < 0) |
488 | log_warning_errno(r, "Could not remove route: %m"); | |
3bdccf69 | 489 | else |
fe7ca21a | 490 | route_free(route); |
f833694d TG |
491 | |
492 | return 1; | |
493 | } | |
494 | ||
1b566071 LP |
495 | int route_configure( |
496 | Route *route, | |
497 | Link *link, | |
302a796f | 498 | link_netlink_message_handler_t callback) { |
1b566071 | 499 | |
4afd3348 LP |
500 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; |
501 | _cleanup_(sd_event_source_unrefp) sd_event_source *expire = NULL; | |
f833694d | 502 | usec_t lifetime; |
f579559b TG |
503 | int r; |
504 | ||
f579559b | 505 | assert(link); |
f882c247 TG |
506 | assert(link->manager); |
507 | assert(link->manager->rtnl); | |
f579559b | 508 | assert(link->ifindex > 0); |
4c701096 | 509 | assert(IN_SET(route->family, AF_INET, AF_INET6)); |
bd1175bc | 510 | assert(callback); |
f579559b | 511 | |
1b566071 | 512 | if (route_get(link, route->family, &route->dst, route->dst_prefixlen, route->tos, route->priority, route->table, NULL) <= 0 && |
47d2d30d | 513 | set_size(link->routes) >= routes_max()) |
1b566071 LP |
514 | return -E2BIG; |
515 | ||
151b9b96 | 516 | r = sd_rtnl_message_new_route(link->manager->rtnl, &req, |
28cc555d DW |
517 | RTM_NEWROUTE, route->family, |
518 | route->protocol); | |
f647962d MS |
519 | if (r < 0) |
520 | return log_error_errno(r, "Could not create RTM_NEWROUTE message: %m"); | |
f579559b | 521 | |
2ce40956 | 522 | if (!in_addr_is_null(route->family, &route->gw)) { |
59580681 | 523 | if (route->family == AF_INET) |
2ce40956 | 524 | r = sd_netlink_message_append_in_addr(req, RTA_GATEWAY, &route->gw.in); |
59580681 | 525 | else if (route->family == AF_INET6) |
2ce40956 | 526 | r = sd_netlink_message_append_in6_addr(req, RTA_GATEWAY, &route->gw.in6); |
f647962d MS |
527 | if (r < 0) |
528 | return log_error_errno(r, "Could not append RTA_GATEWAY attribute: %m"); | |
c953b24c SS |
529 | |
530 | r = sd_rtnl_message_route_set_family(req, route->family); | |
531 | if (r < 0) | |
532 | return log_error_errno(r, "Could not set route family: %m"); | |
f579559b TG |
533 | } |
534 | ||
0a0dc69b TG |
535 | if (route->dst_prefixlen) { |
536 | if (route->family == AF_INET) | |
2ce40956 | 537 | r = sd_netlink_message_append_in_addr(req, RTA_DST, &route->dst.in); |
0a0dc69b | 538 | else if (route->family == AF_INET6) |
2ce40956 | 539 | r = sd_netlink_message_append_in6_addr(req, RTA_DST, &route->dst.in6); |
f647962d MS |
540 | if (r < 0) |
541 | return log_error_errno(r, "Could not append RTA_DST attribute: %m"); | |
6ae115c1 | 542 | |
ae4c67a7 | 543 | r = sd_rtnl_message_route_set_dst_prefixlen(req, route->dst_prefixlen); |
f647962d MS |
544 | if (r < 0) |
545 | return log_error_errno(r, "Could not set destination prefix length: %m"); | |
1f01fb4f TG |
546 | } |
547 | ||
9e7e4408 TG |
548 | if (route->src_prefixlen) { |
549 | if (route->family == AF_INET) | |
2ce40956 | 550 | r = sd_netlink_message_append_in_addr(req, RTA_SRC, &route->src.in); |
9e7e4408 | 551 | else if (route->family == AF_INET6) |
2ce40956 | 552 | r = sd_netlink_message_append_in6_addr(req, RTA_SRC, &route->src.in6); |
9e7e4408 TG |
553 | if (r < 0) |
554 | return log_error_errno(r, "Could not append RTA_SRC attribute: %m"); | |
555 | ||
556 | r = sd_rtnl_message_route_set_src_prefixlen(req, route->src_prefixlen); | |
557 | if (r < 0) | |
558 | return log_error_errno(r, "Could not set source prefix length: %m"); | |
559 | } | |
560 | ||
2ce40956 | 561 | if (!in_addr_is_null(route->family, &route->prefsrc)) { |
46b0c76e | 562 | if (route->family == AF_INET) |
2ce40956 | 563 | r = sd_netlink_message_append_in_addr(req, RTA_PREFSRC, &route->prefsrc.in); |
46b0c76e | 564 | else if (route->family == AF_INET6) |
2ce40956 | 565 | r = sd_netlink_message_append_in6_addr(req, RTA_PREFSRC, &route->prefsrc.in6); |
f647962d MS |
566 | if (r < 0) |
567 | return log_error_errno(r, "Could not append RTA_PREFSRC attribute: %m"); | |
46b0c76e ERB |
568 | } |
569 | ||
5c1d3fc9 | 570 | r = sd_rtnl_message_route_set_scope(req, route->scope); |
f647962d MS |
571 | if (r < 0) |
572 | return log_error_errno(r, "Could not set scope: %m"); | |
5c1d3fc9 | 573 | |
3b015d40 TG |
574 | r = sd_rtnl_message_route_set_flags(req, route->flags); |
575 | if (r < 0) | |
c953b24c SS |
576 | return log_error_errno(r, "Could not set flags: %m"); |
577 | ||
a0d95bbc | 578 | if (route->table != RT_TABLE_MAIN) { |
c953b24c SS |
579 | if (route->table < 256) { |
580 | r = sd_rtnl_message_route_set_table(req, route->table); | |
581 | if (r < 0) | |
582 | return log_error_errno(r, "Could not set route table: %m"); | |
583 | } else { | |
c953b24c SS |
584 | r = sd_rtnl_message_route_set_table(req, RT_TABLE_UNSPEC); |
585 | if (r < 0) | |
586 | return log_error_errno(r, "Could not set route table: %m"); | |
587 | ||
06976f5b | 588 | /* Table attribute to allow more than 256. */ |
c953b24c SS |
589 | r = sd_netlink_message_append_data(req, RTA_TABLE, &route->table, sizeof(route->table)); |
590 | if (r < 0) | |
591 | return log_error_errno(r, "Could not append RTA_TABLE attribute: %m"); | |
592 | } | |
593 | } | |
3b015d40 | 594 | |
86655331 | 595 | r = sd_netlink_message_append_u32(req, RTA_PRIORITY, route->priority); |
f647962d MS |
596 | if (r < 0) |
597 | return log_error_errno(r, "Could not append RTA_PRIORITY attribute: %m"); | |
5c1d3fc9 | 598 | |
3b015d40 TG |
599 | r = sd_netlink_message_append_u8(req, RTA_PREF, route->pref); |
600 | if (r < 0) | |
601 | return log_error_errno(r, "Could not append RTA_PREF attribute: %m"); | |
602 | ||
f02ba163 DD |
603 | if (route->lifetime != USEC_INFINITY && kernel_route_expiration_supported()) { |
604 | r = sd_netlink_message_append_u32(req, RTA_EXPIRES, | |
605 | DIV_ROUND_UP(usec_sub_unsigned(route->lifetime, now(clock_boottime_or_monotonic())), USEC_PER_SEC)); | |
606 | if (r < 0) | |
607 | return log_error_errno(r, "Could not append RTA_EXPIRES attribute: %m"); | |
608 | } | |
609 | ||
983226f3 | 610 | r = sd_rtnl_message_route_set_type(req, route->type); |
f647962d | 611 | if (r < 0) |
983226f3 SS |
612 | return log_error_errno(r, "Could not set route type: %m"); |
613 | ||
2d53f310 | 614 | if (!IN_SET(route->type, RTN_UNREACHABLE, RTN_PROHIBIT, RTN_BLACKHOLE, RTN_THROW)) { |
983226f3 SS |
615 | r = sd_netlink_message_append_u32(req, RTA_OIF, link->ifindex); |
616 | if (r < 0) | |
617 | return log_error_errno(r, "Could not append RTA_OIF attribute: %m"); | |
618 | } | |
f579559b | 619 | |
d6fceaf1 SS |
620 | r = sd_netlink_message_open_container(req, RTA_METRICS); |
621 | if (r < 0) | |
622 | return log_error_errno(r, "Could not append RTA_METRICS attribute: %m"); | |
623 | ||
624 | if (route->mtu > 0) { | |
625 | r = sd_netlink_message_append_u32(req, RTAX_MTU, route->mtu); | |
626 | if (r < 0) | |
627 | return log_error_errno(r, "Could not append RTAX_MTU attribute: %m"); | |
628 | } | |
629 | ||
6b21ad33 | 630 | if (route->initcwnd > 0) { |
323d9329 SS |
631 | r = sd_netlink_message_append_u32(req, RTAX_INITCWND, route->initcwnd); |
632 | if (r < 0) | |
633 | return log_error_errno(r, "Could not append RTAX_INITCWND attribute: %m"); | |
634 | } | |
635 | ||
6b21ad33 | 636 | if (route->initrwnd > 0) { |
323d9329 SS |
637 | r = sd_netlink_message_append_u32(req, RTAX_INITRWND, route->initrwnd); |
638 | if (r < 0) | |
639 | return log_error_errno(r, "Could not append RTAX_INITRWND attribute: %m"); | |
640 | } | |
641 | ||
09f5dfad SS |
642 | if (route->quickack != -1) { |
643 | r = sd_netlink_message_append_u32(req, RTAX_QUICKACK, route->quickack); | |
644 | if (r < 0) | |
645 | return log_error_errno(r, "Could not append RTAX_QUICKACK attribute: %m"); | |
646 | } | |
647 | ||
d6fceaf1 SS |
648 | r = sd_netlink_message_close_container(req); |
649 | if (r < 0) | |
650 | return log_error_errno(r, "Could not append RTA_METRICS attribute: %m"); | |
651 | ||
302a796f YW |
652 | r = netlink_call_async(link->manager->rtnl, NULL, req, callback, |
653 | link_netlink_destroy_callback, link); | |
f647962d MS |
654 | if (r < 0) |
655 | return log_error_errno(r, "Could not send rtnetlink message: %m"); | |
f579559b | 656 | |
563c69c6 TG |
657 | link_ref(link); |
658 | ||
f833694d TG |
659 | lifetime = route->lifetime; |
660 | ||
661 | r = route_add(link, route->family, &route->dst, route->dst_prefixlen, route->tos, route->priority, route->table, &route); | |
1c8e710c TG |
662 | if (r < 0) |
663 | return log_error_errno(r, "Could not add route: %m"); | |
664 | ||
f833694d TG |
665 | /* TODO: drop expiration handling once it can be pushed into the kernel */ |
666 | route->lifetime = lifetime; | |
667 | ||
f02ba163 | 668 | if (route->lifetime != USEC_INFINITY && !kernel_route_expiration_supported()) { |
f833694d TG |
669 | r = sd_event_add_time(link->manager->event, &expire, clock_boottime_or_monotonic(), |
670 | route->lifetime, 0, route_expire_handler, route); | |
671 | if (r < 0) | |
672 | return log_error_errno(r, "Could not arm expiration timer: %m"); | |
673 | } | |
674 | ||
675 | sd_event_source_unref(route->expire); | |
1cc6c93a | 676 | route->expire = TAKE_PTR(expire); |
f833694d | 677 | |
f579559b TG |
678 | return 0; |
679 | } | |
680 | ||
27efb52b YW |
681 | int config_parse_gateway( |
682 | const char *unit, | |
f579559b TG |
683 | const char *filename, |
684 | unsigned line, | |
685 | const char *section, | |
71a61510 | 686 | unsigned section_line, |
f579559b TG |
687 | const char *lvalue, |
688 | int ltype, | |
689 | const char *rvalue, | |
690 | void *data, | |
691 | void *userdata) { | |
44e7b949 | 692 | |
6ae115c1 | 693 | Network *network = userdata; |
8e766630 | 694 | _cleanup_(route_freep) Route *n = NULL; |
7934dede | 695 | int r; |
f579559b TG |
696 | |
697 | assert(filename); | |
6ae115c1 | 698 | assert(section); |
f579559b TG |
699 | assert(lvalue); |
700 | assert(rvalue); | |
701 | assert(data); | |
702 | ||
92fe133a TG |
703 | if (streq(section, "Network")) { |
704 | /* we are not in an Route section, so treat | |
705 | * this as the special '0' section */ | |
f4859fc7 SS |
706 | r = route_new_static(network, NULL, 0, &n); |
707 | } else | |
708 | r = route_new_static(network, filename, section_line, &n); | |
92fe133a | 709 | |
f579559b TG |
710 | if (r < 0) |
711 | return r; | |
712 | ||
7934dede | 713 | r = in_addr_from_string_auto(rvalue, &n->family, &n->gw); |
f579559b | 714 | if (r < 0) { |
12ca818f | 715 | log_syntax(unit, LOG_ERR, filename, line, r, "Route is invalid, ignoring assignment: %s", rvalue); |
f579559b TG |
716 | return 0; |
717 | } | |
718 | ||
aff44301 | 719 | TAKE_PTR(n); |
f579559b TG |
720 | |
721 | return 0; | |
722 | } | |
6ae115c1 | 723 | |
27efb52b YW |
724 | int config_parse_preferred_src( |
725 | const char *unit, | |
0d07e595 JK |
726 | const char *filename, |
727 | unsigned line, | |
728 | const char *section, | |
729 | unsigned section_line, | |
730 | const char *lvalue, | |
731 | int ltype, | |
732 | const char *rvalue, | |
733 | void *data, | |
734 | void *userdata) { | |
735 | ||
736 | Network *network = userdata; | |
8e766630 | 737 | _cleanup_(route_freep) Route *n = NULL; |
7934dede | 738 | int r; |
0d07e595 JK |
739 | |
740 | assert(filename); | |
741 | assert(section); | |
742 | assert(lvalue); | |
743 | assert(rvalue); | |
744 | assert(data); | |
745 | ||
f4859fc7 | 746 | r = route_new_static(network, filename, section_line, &n); |
0d07e595 JK |
747 | if (r < 0) |
748 | return r; | |
749 | ||
7934dede | 750 | r = in_addr_from_string_auto(rvalue, &n->family, &n->prefsrc); |
0d07e595 JK |
751 | if (r < 0) { |
752 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, | |
753 | "Preferred source is invalid, ignoring assignment: %s", rvalue); | |
754 | return 0; | |
755 | } | |
756 | ||
aff44301 | 757 | TAKE_PTR(n); |
0d07e595 JK |
758 | |
759 | return 0; | |
760 | } | |
761 | ||
27efb52b YW |
762 | int config_parse_destination( |
763 | const char *unit, | |
6ae115c1 TG |
764 | const char *filename, |
765 | unsigned line, | |
766 | const char *section, | |
767 | unsigned section_line, | |
768 | const char *lvalue, | |
769 | int ltype, | |
770 | const char *rvalue, | |
771 | void *data, | |
772 | void *userdata) { | |
44e7b949 | 773 | |
6ae115c1 | 774 | Network *network = userdata; |
8e766630 | 775 | _cleanup_(route_freep) Route *n = NULL; |
7934dede YW |
776 | union in_addr_union *buffer; |
777 | unsigned char *prefixlen; | |
ca3bad65 | 778 | int r; |
6ae115c1 TG |
779 | |
780 | assert(filename); | |
781 | assert(section); | |
782 | assert(lvalue); | |
783 | assert(rvalue); | |
784 | assert(data); | |
785 | ||
f4859fc7 | 786 | r = route_new_static(network, filename, section_line, &n); |
6ae115c1 TG |
787 | if (r < 0) |
788 | return r; | |
789 | ||
9e7e4408 | 790 | if (streq(lvalue, "Destination")) { |
7934dede YW |
791 | buffer = &n->dst; |
792 | prefixlen = &n->dst_prefixlen; | |
9e7e4408 | 793 | } else if (streq(lvalue, "Source")) { |
7934dede YW |
794 | buffer = &n->src; |
795 | prefixlen = &n->src_prefixlen; | |
9e7e4408 TG |
796 | } else |
797 | assert_not_reached(lvalue); | |
798 | ||
7934dede YW |
799 | r = in_addr_prefix_from_string_auto(rvalue, &n->family, buffer, prefixlen); |
800 | if (r < 0) { | |
801 | log_syntax(unit, LOG_ERR, filename, line, r, | |
802 | "Route %s= prefix is invalid, ignoring assignment: %s", | |
803 | lvalue, rvalue); | |
804 | return 0; | |
805 | } | |
806 | ||
aff44301 | 807 | TAKE_PTR(n); |
6ae115c1 TG |
808 | return 0; |
809 | } | |
5d8e593d | 810 | |
27efb52b YW |
811 | int config_parse_route_priority( |
812 | const char *unit, | |
813 | const char *filename, | |
814 | unsigned line, | |
815 | const char *section, | |
816 | unsigned section_line, | |
817 | const char *lvalue, | |
818 | int ltype, | |
819 | const char *rvalue, | |
820 | void *data, | |
821 | void *userdata) { | |
822 | ||
5d8e593d | 823 | Network *network = userdata; |
8e766630 | 824 | _cleanup_(route_freep) Route *n = NULL; |
5d8e593d SS |
825 | int r; |
826 | ||
827 | assert(filename); | |
828 | assert(section); | |
829 | assert(lvalue); | |
830 | assert(rvalue); | |
831 | assert(data); | |
832 | ||
f4859fc7 | 833 | r = route_new_static(network, filename, section_line, &n); |
5d8e593d SS |
834 | if (r < 0) |
835 | return r; | |
836 | ||
aff44301 | 837 | r = safe_atou32(rvalue, &n->priority); |
1c4b1179 SS |
838 | if (r < 0) { |
839 | log_syntax(unit, LOG_ERR, filename, line, r, | |
840 | "Could not parse route priority \"%s\", ignoring assignment: %m", rvalue); | |
841 | return 0; | |
842 | } | |
5d8e593d | 843 | |
aff44301 | 844 | TAKE_PTR(n); |
5d8e593d SS |
845 | return 0; |
846 | } | |
769b56a3 | 847 | |
27efb52b YW |
848 | int config_parse_route_scope( |
849 | const char *unit, | |
850 | const char *filename, | |
851 | unsigned line, | |
852 | const char *section, | |
853 | unsigned section_line, | |
854 | const char *lvalue, | |
855 | int ltype, | |
856 | const char *rvalue, | |
857 | void *data, | |
858 | void *userdata) { | |
859 | ||
769b56a3 | 860 | Network *network = userdata; |
8e766630 | 861 | _cleanup_(route_freep) Route *n = NULL; |
769b56a3 TG |
862 | int r; |
863 | ||
864 | assert(filename); | |
865 | assert(section); | |
866 | assert(lvalue); | |
867 | assert(rvalue); | |
868 | assert(data); | |
869 | ||
f4859fc7 | 870 | r = route_new_static(network, filename, section_line, &n); |
769b56a3 TG |
871 | if (r < 0) |
872 | return r; | |
873 | ||
874 | if (streq(rvalue, "host")) | |
875 | n->scope = RT_SCOPE_HOST; | |
876 | else if (streq(rvalue, "link")) | |
877 | n->scope = RT_SCOPE_LINK; | |
878 | else if (streq(rvalue, "global")) | |
879 | n->scope = RT_SCOPE_UNIVERSE; | |
880 | else { | |
12ca818f | 881 | log_syntax(unit, LOG_ERR, filename, line, 0, "Unknown route scope: %s", rvalue); |
769b56a3 TG |
882 | return 0; |
883 | } | |
884 | ||
aff44301 | 885 | TAKE_PTR(n); |
769b56a3 TG |
886 | return 0; |
887 | } | |
c953b24c | 888 | |
27efb52b YW |
889 | int config_parse_route_table( |
890 | const char *unit, | |
891 | const char *filename, | |
892 | unsigned line, | |
893 | const char *section, | |
894 | unsigned section_line, | |
895 | const char *lvalue, | |
896 | int ltype, | |
897 | const char *rvalue, | |
898 | void *data, | |
899 | void *userdata) { | |
900 | ||
8e766630 | 901 | _cleanup_(route_freep) Route *n = NULL; |
c953b24c | 902 | Network *network = userdata; |
c953b24c SS |
903 | int r; |
904 | ||
905 | assert(filename); | |
906 | assert(section); | |
907 | assert(lvalue); | |
908 | assert(rvalue); | |
909 | assert(data); | |
910 | ||
f4859fc7 | 911 | r = route_new_static(network, filename, section_line, &n); |
c953b24c SS |
912 | if (r < 0) |
913 | return r; | |
914 | ||
aff44301 | 915 | r = safe_atou32(rvalue, &n->table); |
c953b24c SS |
916 | if (r < 0) { |
917 | log_syntax(unit, LOG_ERR, filename, line, r, | |
918 | "Could not parse route table number \"%s\", ignoring assignment: %m", rvalue); | |
919 | return 0; | |
920 | } | |
921 | ||
aff44301 | 922 | TAKE_PTR(n); |
c953b24c SS |
923 | return 0; |
924 | } | |
28959f7d | 925 | |
27efb52b YW |
926 | int config_parse_gateway_onlink( |
927 | const char *unit, | |
928 | const char *filename, | |
929 | unsigned line, | |
930 | const char *section, | |
931 | unsigned section_line, | |
932 | const char *lvalue, | |
933 | int ltype, | |
934 | const char *rvalue, | |
935 | void *data, | |
936 | void *userdata) { | |
937 | ||
28959f7d | 938 | Network *network = userdata; |
8e766630 | 939 | _cleanup_(route_freep) Route *n = NULL; |
28959f7d SS |
940 | int r; |
941 | ||
942 | assert(filename); | |
943 | assert(section); | |
944 | assert(lvalue); | |
945 | assert(rvalue); | |
946 | assert(data); | |
947 | ||
948 | r = route_new_static(network, filename, section_line, &n); | |
949 | if (r < 0) | |
950 | return r; | |
951 | ||
952 | r = parse_boolean(rvalue); | |
953 | if (r < 0) { | |
954 | log_syntax(unit, LOG_ERR, filename, line, r, | |
955 | "Could not parse gateway onlink \"%s\", ignoring assignment: %m", rvalue); | |
956 | return 0; | |
957 | } | |
958 | ||
ab8ee0f2 | 959 | SET_FLAG(n->flags, RTNH_F_ONLINK, r); |
aff44301 | 960 | TAKE_PTR(n); |
b5bf6f64 SS |
961 | return 0; |
962 | } | |
963 | ||
27efb52b YW |
964 | int config_parse_ipv6_route_preference( |
965 | const char *unit, | |
966 | const char *filename, | |
967 | unsigned line, | |
968 | const char *section, | |
969 | unsigned section_line, | |
970 | const char *lvalue, | |
971 | int ltype, | |
972 | const char *rvalue, | |
973 | void *data, | |
974 | void *userdata) { | |
975 | ||
b5bf6f64 | 976 | Network *network = userdata; |
8e766630 | 977 | _cleanup_(route_freep) Route *n = NULL; |
b5bf6f64 SS |
978 | int r; |
979 | ||
4c7bd9cf SS |
980 | r = route_new_static(network, filename, section_line, &n); |
981 | if (r < 0) | |
982 | return r; | |
983 | ||
b5bf6f64 SS |
984 | if (streq(rvalue, "low")) |
985 | n->pref = ICMPV6_ROUTER_PREF_LOW; | |
986 | else if (streq(rvalue, "medium")) | |
987 | n->pref = ICMPV6_ROUTER_PREF_MEDIUM; | |
988 | else if (streq(rvalue, "high")) | |
989 | n->pref = ICMPV6_ROUTER_PREF_HIGH; | |
990 | else { | |
991 | log_syntax(unit, LOG_ERR, filename, line, 0, "Unknown route preference: %s", rvalue); | |
992 | return 0; | |
993 | } | |
28959f7d | 994 | |
aff44301 | 995 | TAKE_PTR(n); |
28959f7d SS |
996 | return 0; |
997 | } | |
c83ecc04 | 998 | |
27efb52b YW |
999 | int config_parse_route_protocol( |
1000 | const char *unit, | |
1001 | const char *filename, | |
1002 | unsigned line, | |
1003 | const char *section, | |
1004 | unsigned section_line, | |
1005 | const char *lvalue, | |
1006 | int ltype, | |
1007 | const char *rvalue, | |
1008 | void *data, | |
1009 | void *userdata) { | |
1010 | ||
c83ecc04 | 1011 | Network *network = userdata; |
8e766630 | 1012 | _cleanup_(route_freep) Route *n = NULL; |
c83ecc04 SS |
1013 | int r; |
1014 | ||
1015 | r = route_new_static(network, filename, section_line, &n); | |
1016 | if (r < 0) | |
1017 | return r; | |
1018 | ||
1019 | if (streq(rvalue, "kernel")) | |
1020 | n->protocol = RTPROT_KERNEL; | |
1021 | else if (streq(rvalue, "boot")) | |
1022 | n->protocol = RTPROT_BOOT; | |
1023 | else if (streq(rvalue, "static")) | |
1024 | n->protocol = RTPROT_STATIC; | |
1025 | else { | |
1026 | r = safe_atou8(rvalue , &n->protocol); | |
1027 | if (r < 0) { | |
1028 | log_syntax(unit, LOG_ERR, filename, line, r, "Could not parse route protocol \"%s\", ignoring assignment: %m", rvalue); | |
1029 | return 0; | |
1030 | } | |
1031 | } | |
1032 | ||
aff44301 | 1033 | TAKE_PTR(n); |
c83ecc04 SS |
1034 | return 0; |
1035 | } | |
983226f3 | 1036 | |
27efb52b YW |
1037 | int config_parse_route_type( |
1038 | const char *unit, | |
1039 | const char *filename, | |
1040 | unsigned line, | |
1041 | const char *section, | |
1042 | unsigned section_line, | |
1043 | const char *lvalue, | |
1044 | int ltype, | |
1045 | const char *rvalue, | |
1046 | void *data, | |
1047 | void *userdata) { | |
1048 | ||
983226f3 | 1049 | Network *network = userdata; |
8e766630 | 1050 | _cleanup_(route_freep) Route *n = NULL; |
983226f3 SS |
1051 | int r; |
1052 | ||
1053 | r = route_new_static(network, filename, section_line, &n); | |
1054 | if (r < 0) | |
1055 | return r; | |
1056 | ||
1057 | if (streq(rvalue, "unicast")) | |
1058 | n->type = RTN_UNICAST; | |
1059 | else if (streq(rvalue, "blackhole")) | |
1060 | n->type = RTN_BLACKHOLE; | |
1061 | else if (streq(rvalue, "unreachable")) | |
1062 | n->type = RTN_UNREACHABLE; | |
1063 | else if (streq(rvalue, "prohibit")) | |
1064 | n->type = RTN_PROHIBIT; | |
2d53f310 HY |
1065 | else if (streq(rvalue, "throw")) |
1066 | n->type = RTN_THROW; | |
983226f3 SS |
1067 | else { |
1068 | log_syntax(unit, LOG_ERR, filename, line, r, "Could not parse route type \"%s\", ignoring assignment: %m", rvalue); | |
1069 | return 0; | |
1070 | } | |
1071 | ||
aff44301 | 1072 | TAKE_PTR(n); |
983226f3 SS |
1073 | return 0; |
1074 | } | |
323d9329 | 1075 | |
27efb52b YW |
1076 | int config_parse_tcp_window( |
1077 | const char *unit, | |
1078 | const char *filename, | |
1079 | unsigned line, | |
1080 | const char *section, | |
1081 | unsigned section_line, | |
1082 | const char *lvalue, | |
1083 | int ltype, | |
1084 | const char *rvalue, | |
1085 | void *data, | |
1086 | void *userdata) { | |
1087 | ||
8e766630 | 1088 | _cleanup_(route_freep) Route *n = NULL; |
6b21ad33 SS |
1089 | Network *network = userdata; |
1090 | uint64_t k; | |
323d9329 SS |
1091 | int r; |
1092 | ||
1093 | assert(filename); | |
1094 | assert(section); | |
1095 | assert(lvalue); | |
1096 | assert(rvalue); | |
1097 | assert(data); | |
1098 | ||
1099 | r = route_new_static(network, filename, section_line, &n); | |
1100 | if (r < 0) | |
1101 | return r; | |
1102 | ||
6b21ad33 SS |
1103 | r = parse_size(rvalue, 1024, &k); |
1104 | if (r < 0 || k > UINT32_MAX) { | |
323d9329 | 1105 | log_syntax(unit, LOG_ERR, filename, line, r, |
6b21ad33 | 1106 | "Could not parse TCP %s \"%s\" bytes, ignoring assignment: %m", rvalue, lvalue); |
323d9329 SS |
1107 | return 0; |
1108 | } | |
1109 | ||
1110 | if (streq(lvalue, "InitialCongestionWindow")) | |
1111 | n->initcwnd = k; | |
1112 | else if (streq(lvalue, "InitialAdvertisedReceiveWindow")) | |
1113 | n->initrwnd = k; | |
1114 | else { | |
1115 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse TCP %s: %s", lvalue, rvalue); | |
1116 | return 0; | |
1117 | } | |
1118 | ||
aff44301 | 1119 | TAKE_PTR(n); |
323d9329 SS |
1120 | return 0; |
1121 | } | |
09f5dfad | 1122 | |
27efb52b YW |
1123 | int config_parse_quickack( |
1124 | const char *unit, | |
1125 | const char *filename, | |
1126 | unsigned line, | |
1127 | const char *section, | |
1128 | unsigned section_line, | |
1129 | const char *lvalue, | |
1130 | int ltype, | |
1131 | const char *rvalue, | |
1132 | void *data, | |
1133 | void *userdata) { | |
1134 | ||
8e766630 | 1135 | _cleanup_(route_freep) Route *n = NULL; |
09f5dfad SS |
1136 | Network *network = userdata; |
1137 | int k, r; | |
1138 | ||
1139 | assert(filename); | |
1140 | assert(section); | |
1141 | assert(lvalue); | |
1142 | assert(rvalue); | |
1143 | assert(data); | |
1144 | ||
1145 | r = route_new_static(network, filename, section_line, &n); | |
1146 | if (r < 0) | |
1147 | return r; | |
1148 | ||
1149 | k = parse_boolean(rvalue); | |
1150 | if (k < 0) { | |
1151 | log_syntax(unit, LOG_ERR, filename, line, k, "Failed to parse TCP quickack, ignoring: %s", rvalue); | |
1152 | return 0; | |
1153 | } | |
1154 | ||
1155 | n->quickack = !!k; | |
aff44301 | 1156 | TAKE_PTR(n); |
09f5dfad SS |
1157 | return 0; |
1158 | } | |
cea79e66 SS |
1159 | |
1160 | int config_parse_route_mtu( | |
1161 | const char *unit, | |
1162 | const char *filename, | |
1163 | unsigned line, | |
1164 | const char *section, | |
1165 | unsigned section_line, | |
1166 | const char *lvalue, | |
1167 | int ltype, | |
1168 | const char *rvalue, | |
1169 | void *data, | |
1170 | void *userdata) { | |
1171 | ||
1172 | Network *network = userdata; | |
1173 | _cleanup_(route_freep) Route *n = NULL; | |
1174 | int r; | |
1175 | ||
1176 | assert(filename); | |
1177 | assert(section); | |
1178 | assert(lvalue); | |
1179 | assert(rvalue); | |
1180 | assert(data); | |
1181 | ||
1182 | r = route_new_static(network, filename, section_line, &n); | |
1183 | if (r < 0) | |
1184 | return r; | |
1185 | ||
1186 | r = config_parse_mtu(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &n->mtu, userdata); | |
1187 | if (r < 0) | |
1188 | return r; | |
1189 | ||
aff44301 | 1190 | TAKE_PTR(n); |
cea79e66 SS |
1191 | return 0; |
1192 | } |