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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> | |
f579559b TG |
6 | ***/ |
7 | ||
b5bf6f64 SS |
8 | #include <linux/icmpv6.h> |
9 | ||
b5efdb8a | 10 | #include "alloc-util.h" |
f579559b | 11 | #include "conf-parser.h" |
bb7ae737 | 12 | #include "in-addr-util.h" |
fc2f9534 | 13 | #include "netlink-util.h" |
23f53b99 | 14 | #include "networkd-manager.h" |
6bedfcbb | 15 | #include "networkd-route.h" |
6bedfcbb | 16 | #include "parse-util.h" |
1c8e710c | 17 | #include "set.h" |
07630cea | 18 | #include "string-util.h" |
47d2d30d | 19 | #include "sysctl-util.h" |
07630cea | 20 | #include "util.h" |
f579559b | 21 | |
47d2d30d ZJS |
22 | #define ROUTES_DEFAULT_MAX_PER_FAMILY 4096U |
23 | ||
24 | static unsigned routes_max(void) { | |
25 | static thread_local unsigned cached = 0; | |
26 | ||
27 | _cleanup_free_ char *s4 = NULL, *s6 = NULL; | |
28 | unsigned val4 = ROUTES_DEFAULT_MAX_PER_FAMILY, val6 = ROUTES_DEFAULT_MAX_PER_FAMILY; | |
29 | ||
30 | if (cached > 0) | |
31 | return cached; | |
32 | ||
33 | if (sysctl_read("net/ipv4/route/max_size", &s4) >= 0) { | |
34 | truncate_nl(s4); | |
35 | if (safe_atou(s4, &val4) >= 0 && | |
36 | val4 == 2147483647U) | |
37 | /* This is the default "no limit" value in the kernel */ | |
38 | val4 = ROUTES_DEFAULT_MAX_PER_FAMILY; | |
39 | } | |
40 | ||
41 | if (sysctl_read("net/ipv6/route/max_size", &s6) >= 0) { | |
42 | truncate_nl(s6); | |
43 | (void) safe_atou(s6, &val6); | |
44 | } | |
45 | ||
46 | cached = MAX(ROUTES_DEFAULT_MAX_PER_FAMILY, val4) + | |
47 | MAX(ROUTES_DEFAULT_MAX_PER_FAMILY, val6); | |
48 | return cached; | |
49 | } | |
8c34b963 | 50 | |
ed9e361a | 51 | int route_new(Route **ret) { |
8e766630 | 52 | _cleanup_(route_freep) Route *route = NULL; |
f0213e37 TG |
53 | |
54 | route = new0(Route, 1); | |
55 | if (!route) | |
56 | return -ENOMEM; | |
57 | ||
58 | route->family = AF_UNSPEC; | |
59 | route->scope = RT_SCOPE_UNIVERSE; | |
ed9e361a | 60 | route->protocol = RTPROT_UNSPEC; |
983226f3 | 61 | route->type = RTN_UNICAST; |
a0d95bbc | 62 | route->table = RT_TABLE_MAIN; |
f833694d | 63 | route->lifetime = USEC_INFINITY; |
09f5dfad | 64 | route->quickack = -1; |
f0213e37 | 65 | |
1cc6c93a | 66 | *ret = TAKE_PTR(route); |
f0213e37 TG |
67 | |
68 | return 0; | |
69 | } | |
70 | ||
f4859fc7 | 71 | int route_new_static(Network *network, const char *filename, unsigned section_line, Route **ret) { |
8e766630 LP |
72 | _cleanup_(network_config_section_freep) NetworkConfigSection *n = NULL; |
73 | _cleanup_(route_freep) Route *route = NULL; | |
f0213e37 | 74 | int r; |
f579559b | 75 | |
8c34b963 LP |
76 | assert(network); |
77 | assert(ret); | |
48317c39 | 78 | assert(!!filename == (section_line > 0)); |
8c34b963 | 79 | |
48317c39 | 80 | if (filename) { |
f4859fc7 SS |
81 | r = network_config_section_new(filename, section_line, &n); |
82 | if (r < 0) | |
83 | return r; | |
84 | ||
85 | route = hashmap_get(network->routes_by_section, n); | |
6ae115c1 | 86 | if (route) { |
1cc6c93a | 87 | *ret = TAKE_PTR(route); |
6ae115c1 TG |
88 | |
89 | return 0; | |
90 | } | |
91 | } | |
92 | ||
47d2d30d | 93 | if (network->n_static_routes >= routes_max()) |
8c34b963 LP |
94 | return -E2BIG; |
95 | ||
ed9e361a | 96 | r = route_new(&route); |
f0213e37 TG |
97 | if (r < 0) |
98 | return r; | |
801bd9e8 | 99 | |
ed9e361a | 100 | route->protocol = RTPROT_STATIC; |
f579559b | 101 | |
48317c39 | 102 | if (filename) { |
1cc6c93a | 103 | route->section = TAKE_PTR(n); |
cacc1dbf | 104 | |
fcc48287 | 105 | r = hashmap_put(network->routes_by_section, route->section, route); |
21b39268 LP |
106 | if (r < 0) |
107 | return r; | |
6ae115c1 TG |
108 | } |
109 | ||
21b39268 | 110 | route->network = network; |
cacc1dbf | 111 | LIST_PREPEND(routes, network->static_routes, route); |
8c34b963 | 112 | network->n_static_routes++; |
21b39268 | 113 | |
1cc6c93a | 114 | *ret = TAKE_PTR(route); |
f579559b TG |
115 | |
116 | return 0; | |
117 | } | |
118 | ||
119 | void route_free(Route *route) { | |
120 | if (!route) | |
121 | return; | |
122 | ||
f048a16b | 123 | if (route->network) { |
3d3d4255 | 124 | LIST_REMOVE(routes, route->network->static_routes, route); |
f579559b | 125 | |
8c34b963 LP |
126 | assert(route->network->n_static_routes > 0); |
127 | route->network->n_static_routes--; | |
128 | ||
fd45e522 | 129 | if (route->section) |
f4859fc7 | 130 | hashmap_remove(route->network->routes_by_section, route->section); |
f048a16b | 131 | } |
6ae115c1 | 132 | |
fd45e522 ZJS |
133 | network_config_section_free(route->section); |
134 | ||
1c8e710c TG |
135 | if (route->link) { |
136 | set_remove(route->link->routes, route); | |
137 | set_remove(route->link->routes_foreign, route); | |
138 | } | |
139 | ||
f833694d TG |
140 | sd_event_source_unref(route->expire); |
141 | ||
f579559b TG |
142 | free(route); |
143 | } | |
144 | ||
bb7ae737 TG |
145 | static void route_hash_func(const void *b, struct siphash *state) { |
146 | const Route *route = b; | |
147 | ||
148 | assert(route); | |
149 | ||
150 | siphash24_compress(&route->family, sizeof(route->family), state); | |
151 | ||
152 | switch (route->family) { | |
153 | case AF_INET: | |
154 | case AF_INET6: | |
155 | /* Equality of routes are given by the 4-touple | |
156 | (dst_prefix,dst_prefixlen,tos,priority,table) */ | |
2ce40956 | 157 | siphash24_compress(&route->dst, FAMILY_ADDRESS_SIZE(route->family), state); |
bb7ae737 TG |
158 | siphash24_compress(&route->dst_prefixlen, sizeof(route->dst_prefixlen), state); |
159 | siphash24_compress(&route->tos, sizeof(route->tos), state); | |
160 | siphash24_compress(&route->priority, sizeof(route->priority), state); | |
161 | siphash24_compress(&route->table, sizeof(route->table), state); | |
162 | ||
163 | break; | |
164 | default: | |
165 | /* treat any other address family as AF_UNSPEC */ | |
166 | break; | |
167 | } | |
168 | } | |
169 | ||
170 | static int route_compare_func(const void *_a, const void *_b) { | |
171 | const Route *a = _a, *b = _b; | |
172 | ||
173 | if (a->family < b->family) | |
174 | return -1; | |
175 | if (a->family > b->family) | |
176 | return 1; | |
177 | ||
178 | switch (a->family) { | |
179 | case AF_INET: | |
180 | case AF_INET6: | |
bb7ae737 TG |
181 | if (a->dst_prefixlen < b->dst_prefixlen) |
182 | return -1; | |
183 | if (a->dst_prefixlen > b->dst_prefixlen) | |
184 | return 1; | |
185 | ||
186 | if (a->tos < b->tos) | |
187 | return -1; | |
188 | if (a->tos > b->tos) | |
189 | return 1; | |
190 | ||
191 | if (a->priority < b->priority) | |
192 | return -1; | |
193 | if (a->priority > b->priority) | |
194 | return 1; | |
195 | ||
196 | if (a->table < b->table) | |
197 | return -1; | |
198 | if (a->table > b->table) | |
199 | return 1; | |
200 | ||
2ce40956 | 201 | return memcmp(&a->dst, &b->dst, FAMILY_ADDRESS_SIZE(a->family)); |
bb7ae737 TG |
202 | default: |
203 | /* treat any other address family as AF_UNSPEC */ | |
204 | return 0; | |
205 | } | |
206 | } | |
207 | ||
208 | static const struct hash_ops route_hash_ops = { | |
209 | .hash = route_hash_func, | |
210 | .compare = route_compare_func | |
211 | }; | |
212 | ||
1c8e710c TG |
213 | int route_get(Link *link, |
214 | int family, | |
1b566071 | 215 | const union in_addr_union *dst, |
1c8e710c TG |
216 | unsigned char dst_prefixlen, |
217 | unsigned char tos, | |
218 | uint32_t priority, | |
14d20d2b | 219 | uint32_t table, |
1c8e710c | 220 | Route **ret) { |
1b566071 LP |
221 | |
222 | Route route, *existing; | |
223 | ||
224 | assert(link); | |
225 | assert(dst); | |
226 | ||
227 | route = (Route) { | |
1c8e710c | 228 | .family = family, |
1b566071 | 229 | .dst = *dst, |
1c8e710c TG |
230 | .dst_prefixlen = dst_prefixlen, |
231 | .tos = tos, | |
232 | .priority = priority, | |
233 | .table = table, | |
1b566071 | 234 | }; |
1c8e710c TG |
235 | |
236 | existing = set_get(link->routes, &route); | |
237 | if (existing) { | |
1b566071 LP |
238 | if (ret) |
239 | *ret = existing; | |
1c8e710c | 240 | return 1; |
1c8e710c TG |
241 | } |
242 | ||
1b566071 LP |
243 | existing = set_get(link->routes_foreign, &route); |
244 | if (existing) { | |
245 | if (ret) | |
246 | *ret = existing; | |
247 | return 0; | |
248 | } | |
1c8e710c | 249 | |
1b566071 | 250 | return -ENOENT; |
1c8e710c TG |
251 | } |
252 | ||
889b550f LP |
253 | static int route_add_internal( |
254 | Link *link, | |
255 | Set **routes, | |
256 | int family, | |
257 | const union in_addr_union *dst, | |
258 | unsigned char dst_prefixlen, | |
259 | unsigned char tos, | |
260 | uint32_t priority, | |
14d20d2b | 261 | uint32_t table, |
889b550f LP |
262 | Route **ret) { |
263 | ||
8e766630 | 264 | _cleanup_(route_freep) Route *route = NULL; |
1c8e710c TG |
265 | int r; |
266 | ||
267 | assert(link); | |
268 | assert(routes); | |
269 | assert(dst); | |
270 | ||
271 | r = route_new(&route); | |
272 | if (r < 0) | |
273 | return r; | |
274 | ||
275 | route->family = family; | |
276 | route->dst = *dst; | |
277 | route->dst_prefixlen = dst_prefixlen; | |
278 | route->tos = tos; | |
279 | route->priority = priority; | |
280 | route->table = table; | |
281 | ||
282 | r = set_ensure_allocated(routes, &route_hash_ops); | |
283 | if (r < 0) | |
284 | return r; | |
285 | ||
286 | r = set_put(*routes, route); | |
287 | if (r < 0) | |
288 | return r; | |
289 | ||
290 | route->link = link; | |
291 | ||
292 | if (ret) | |
293 | *ret = route; | |
294 | ||
295 | route = NULL; | |
296 | ||
297 | return 0; | |
298 | } | |
299 | ||
889b550f LP |
300 | int route_add_foreign( |
301 | Link *link, | |
302 | int family, | |
303 | const union in_addr_union *dst, | |
304 | unsigned char dst_prefixlen, | |
305 | unsigned char tos, | |
306 | uint32_t priority, | |
14d20d2b | 307 | uint32_t table, |
889b550f LP |
308 | Route **ret) { |
309 | ||
1c8e710c TG |
310 | return route_add_internal(link, &link->routes_foreign, family, dst, dst_prefixlen, tos, priority, table, ret); |
311 | } | |
312 | ||
889b550f LP |
313 | int route_add( |
314 | 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, |
889b550f | 356 | const union in_addr_union *src, |
1c8e710c | 357 | unsigned char src_prefixlen, |
889b550f LP |
358 | const union in_addr_union *gw, |
359 | const union in_addr_union *prefsrc, | |
1c8e710c | 360 | unsigned char scope, |
983226f3 SS |
361 | unsigned char protocol, |
362 | unsigned char type) { | |
889b550f | 363 | |
1c8e710c TG |
364 | assert(route); |
365 | assert(src); | |
366 | assert(gw); | |
367 | assert(prefsrc); | |
368 | ||
369 | route->src = *src; | |
370 | route->src_prefixlen = src_prefixlen; | |
371 | route->gw = *gw; | |
372 | route->prefsrc = *prefsrc; | |
373 | route->scope = scope; | |
374 | route->protocol = protocol; | |
983226f3 | 375 | route->type = type; |
1c8e710c TG |
376 | } |
377 | ||
91b5f997 | 378 | int route_remove(Route *route, Link *link, |
1c4baffc | 379 | sd_netlink_message_handler_t callback) { |
4afd3348 | 380 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; |
5c1d3fc9 UTL |
381 | int r; |
382 | ||
383 | assert(link); | |
384 | assert(link->manager); | |
385 | assert(link->manager->rtnl); | |
386 | assert(link->ifindex > 0); | |
4c701096 | 387 | assert(IN_SET(route->family, AF_INET, AF_INET6)); |
5c1d3fc9 UTL |
388 | |
389 | r = sd_rtnl_message_new_route(link->manager->rtnl, &req, | |
28cc555d DW |
390 | RTM_DELROUTE, route->family, |
391 | route->protocol); | |
f647962d MS |
392 | if (r < 0) |
393 | return log_error_errno(r, "Could not create RTM_DELROUTE message: %m"); | |
5c1d3fc9 | 394 | |
2ce40956 | 395 | if (!in_addr_is_null(route->family, &route->gw)) { |
59580681 | 396 | if (route->family == AF_INET) |
2ce40956 | 397 | r = sd_netlink_message_append_in_addr(req, RTA_GATEWAY, &route->gw.in); |
59580681 | 398 | else if (route->family == AF_INET6) |
2ce40956 | 399 | r = sd_netlink_message_append_in6_addr(req, RTA_GATEWAY, &route->gw.in6); |
f647962d MS |
400 | if (r < 0) |
401 | return log_error_errno(r, "Could not append RTA_GATEWAY attribute: %m"); | |
5c1d3fc9 UTL |
402 | } |
403 | ||
404 | if (route->dst_prefixlen) { | |
405 | if (route->family == AF_INET) | |
2ce40956 | 406 | r = sd_netlink_message_append_in_addr(req, RTA_DST, &route->dst.in); |
5c1d3fc9 | 407 | else if (route->family == AF_INET6) |
2ce40956 | 408 | r = sd_netlink_message_append_in6_addr(req, RTA_DST, &route->dst.in6); |
f647962d MS |
409 | if (r < 0) |
410 | return log_error_errno(r, "Could not append RTA_DST attribute: %m"); | |
5c1d3fc9 UTL |
411 | |
412 | r = sd_rtnl_message_route_set_dst_prefixlen(req, route->dst_prefixlen); | |
f647962d MS |
413 | if (r < 0) |
414 | return log_error_errno(r, "Could not set destination prefix length: %m"); | |
5c1d3fc9 UTL |
415 | } |
416 | ||
9e7e4408 TG |
417 | if (route->src_prefixlen) { |
418 | if (route->family == AF_INET) | |
2ce40956 | 419 | r = sd_netlink_message_append_in_addr(req, RTA_SRC, &route->src.in); |
9e7e4408 | 420 | else if (route->family == AF_INET6) |
2ce40956 | 421 | r = sd_netlink_message_append_in6_addr(req, RTA_SRC, &route->src.in6); |
9e7e4408 | 422 | if (r < 0) |
d9d94393 | 423 | return log_error_errno(r, "Could not append RTA_SRC attribute: %m"); |
9e7e4408 TG |
424 | |
425 | r = sd_rtnl_message_route_set_src_prefixlen(req, route->src_prefixlen); | |
426 | if (r < 0) | |
427 | return log_error_errno(r, "Could not set source prefix length: %m"); | |
428 | } | |
429 | ||
2ce40956 | 430 | if (!in_addr_is_null(route->family, &route->prefsrc)) { |
46b0c76e | 431 | if (route->family == AF_INET) |
2ce40956 | 432 | r = sd_netlink_message_append_in_addr(req, RTA_PREFSRC, &route->prefsrc.in); |
46b0c76e | 433 | else if (route->family == AF_INET6) |
2ce40956 | 434 | r = sd_netlink_message_append_in6_addr(req, RTA_PREFSRC, &route->prefsrc.in6); |
f647962d MS |
435 | if (r < 0) |
436 | return log_error_errno(r, "Could not append RTA_PREFSRC attribute: %m"); | |
46b0c76e ERB |
437 | } |
438 | ||
5c1d3fc9 | 439 | r = sd_rtnl_message_route_set_scope(req, route->scope); |
f647962d MS |
440 | if (r < 0) |
441 | return log_error_errno(r, "Could not set scope: %m"); | |
5c1d3fc9 | 442 | |
86655331 | 443 | r = sd_netlink_message_append_u32(req, RTA_PRIORITY, route->priority); |
f647962d MS |
444 | if (r < 0) |
445 | return log_error_errno(r, "Could not append RTA_PRIORITY attribute: %m"); | |
5c1d3fc9 | 446 | |
983226f3 SS |
447 | if (!IN_SET(route->type, RTN_UNREACHABLE, RTN_PROHIBIT, RTN_BLACKHOLE)) { |
448 | r = sd_netlink_message_append_u32(req, RTA_OIF, link->ifindex); | |
449 | if (r < 0) | |
450 | return log_error_errno(r, "Could not append RTA_OIF attribute: %m"); | |
451 | } | |
5c1d3fc9 | 452 | |
1c4baffc | 453 | r = sd_netlink_call_async(link->manager->rtnl, req, callback, link, 0, NULL); |
f647962d MS |
454 | if (r < 0) |
455 | return log_error_errno(r, "Could not send rtnetlink message: %m"); | |
5c1d3fc9 | 456 | |
563c69c6 TG |
457 | link_ref(link); |
458 | ||
5c1d3fc9 UTL |
459 | return 0; |
460 | } | |
461 | ||
fe7ca21a SS |
462 | static int route_expire_callback(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { |
463 | Link *link = userdata; | |
464 | int r; | |
465 | ||
466 | assert(rtnl); | |
467 | assert(m); | |
468 | assert(link); | |
469 | assert(link->ifname); | |
fe7ca21a SS |
470 | |
471 | if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER)) | |
472 | return 1; | |
473 | ||
fe7ca21a SS |
474 | r = sd_netlink_message_get_errno(m); |
475 | if (r < 0 && r != -EEXIST) | |
476 | log_link_warning_errno(link, r, "could not remove route: %m"); | |
477 | ||
fe7ca21a SS |
478 | return 1; |
479 | } | |
480 | ||
f833694d TG |
481 | int route_expire_handler(sd_event_source *s, uint64_t usec, void *userdata) { |
482 | Route *route = userdata; | |
483 | int r; | |
484 | ||
485 | assert(route); | |
486 | ||
fe7ca21a | 487 | r = route_remove(route, route->link, route_expire_callback); |
f833694d TG |
488 | if (r < 0) |
489 | log_warning_errno(r, "Could not remove route: %m"); | |
3bdccf69 | 490 | else |
fe7ca21a | 491 | route_free(route); |
f833694d TG |
492 | |
493 | return 1; | |
494 | } | |
495 | ||
1b566071 LP |
496 | int route_configure( |
497 | Route *route, | |
498 | Link *link, | |
499 | sd_netlink_message_handler_t callback) { | |
500 | ||
4afd3348 LP |
501 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; |
502 | _cleanup_(sd_event_source_unrefp) sd_event_source *expire = NULL; | |
f833694d | 503 | usec_t lifetime; |
f579559b TG |
504 | int r; |
505 | ||
f579559b | 506 | assert(link); |
f882c247 TG |
507 | assert(link->manager); |
508 | assert(link->manager->rtnl); | |
f579559b | 509 | assert(link->ifindex > 0); |
4c701096 | 510 | assert(IN_SET(route->family, AF_INET, AF_INET6)); |
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 | ||
614 | if (!IN_SET(route->type, RTN_UNREACHABLE, RTN_PROHIBIT, RTN_BLACKHOLE)) { | |
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 | ||
1c4baffc | 652 | r = sd_netlink_call_async(link->manager->rtnl, req, callback, link, 0, NULL); |
f647962d MS |
653 | if (r < 0) |
654 | return log_error_errno(r, "Could not send rtnetlink message: %m"); | |
f579559b | 655 | |
563c69c6 TG |
656 | link_ref(link); |
657 | ||
f833694d TG |
658 | lifetime = route->lifetime; |
659 | ||
660 | r = route_add(link, route->family, &route->dst, route->dst_prefixlen, route->tos, route->priority, route->table, &route); | |
1c8e710c TG |
661 | if (r < 0) |
662 | return log_error_errno(r, "Could not add route: %m"); | |
663 | ||
f833694d TG |
664 | /* TODO: drop expiration handling once it can be pushed into the kernel */ |
665 | route->lifetime = lifetime; | |
666 | ||
f02ba163 | 667 | if (route->lifetime != USEC_INFINITY && !kernel_route_expiration_supported()) { |
f833694d TG |
668 | r = sd_event_add_time(link->manager->event, &expire, clock_boottime_or_monotonic(), |
669 | route->lifetime, 0, route_expire_handler, route); | |
670 | if (r < 0) | |
671 | return log_error_errno(r, "Could not arm expiration timer: %m"); | |
672 | } | |
673 | ||
674 | sd_event_source_unref(route->expire); | |
1cc6c93a | 675 | route->expire = TAKE_PTR(expire); |
f833694d | 676 | |
f579559b TG |
677 | return 0; |
678 | } | |
679 | ||
680 | int config_parse_gateway(const char *unit, | |
681 | const char *filename, | |
682 | unsigned line, | |
683 | const char *section, | |
71a61510 | 684 | unsigned section_line, |
f579559b TG |
685 | const char *lvalue, |
686 | int ltype, | |
687 | const char *rvalue, | |
688 | void *data, | |
689 | void *userdata) { | |
44e7b949 | 690 | |
6ae115c1 | 691 | Network *network = userdata; |
8e766630 | 692 | _cleanup_(route_freep) Route *n = NULL; |
44e7b949 LP |
693 | union in_addr_union buffer; |
694 | int r, f; | |
f579559b TG |
695 | |
696 | assert(filename); | |
6ae115c1 | 697 | assert(section); |
f579559b TG |
698 | assert(lvalue); |
699 | assert(rvalue); | |
700 | assert(data); | |
701 | ||
92fe133a TG |
702 | if (streq(section, "Network")) { |
703 | /* we are not in an Route section, so treat | |
704 | * this as the special '0' section */ | |
f4859fc7 SS |
705 | r = route_new_static(network, NULL, 0, &n); |
706 | } else | |
707 | r = route_new_static(network, filename, section_line, &n); | |
92fe133a | 708 | |
f579559b TG |
709 | if (r < 0) |
710 | return r; | |
711 | ||
44e7b949 | 712 | r = in_addr_from_string_auto(rvalue, &f, &buffer); |
f579559b | 713 | if (r < 0) { |
12ca818f | 714 | log_syntax(unit, LOG_ERR, filename, line, r, "Route is invalid, ignoring assignment: %s", rvalue); |
f579559b TG |
715 | return 0; |
716 | } | |
717 | ||
44e7b949 | 718 | n->family = f; |
2ce40956 | 719 | n->gw = buffer; |
f579559b TG |
720 | n = NULL; |
721 | ||
722 | return 0; | |
723 | } | |
6ae115c1 | 724 | |
0d07e595 JK |
725 | int config_parse_preferred_src(const char *unit, |
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; |
0d07e595 JK |
738 | union in_addr_union buffer; |
739 | int r, f; | |
740 | ||
741 | assert(filename); | |
742 | assert(section); | |
743 | assert(lvalue); | |
744 | assert(rvalue); | |
745 | assert(data); | |
746 | ||
f4859fc7 | 747 | r = route_new_static(network, filename, section_line, &n); |
0d07e595 JK |
748 | if (r < 0) |
749 | return r; | |
750 | ||
751 | r = in_addr_from_string_auto(rvalue, &f, &buffer); | |
752 | if (r < 0) { | |
753 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, | |
754 | "Preferred source is invalid, ignoring assignment: %s", rvalue); | |
755 | return 0; | |
756 | } | |
757 | ||
758 | n->family = f; | |
2ce40956 | 759 | n->prefsrc = buffer; |
0d07e595 JK |
760 | n = NULL; |
761 | ||
762 | return 0; | |
763 | } | |
764 | ||
6ae115c1 TG |
765 | int config_parse_destination(const char *unit, |
766 | const char *filename, | |
767 | unsigned line, | |
768 | const char *section, | |
769 | unsigned section_line, | |
770 | const char *lvalue, | |
771 | int ltype, | |
772 | const char *rvalue, | |
773 | void *data, | |
774 | void *userdata) { | |
44e7b949 | 775 | |
6ae115c1 | 776 | Network *network = userdata; |
8e766630 | 777 | _cleanup_(route_freep) Route *n = NULL; |
44e7b949 | 778 | union in_addr_union buffer; |
9e7e4408 | 779 | unsigned char prefixlen; |
ca3bad65 | 780 | int r; |
6ae115c1 TG |
781 | |
782 | assert(filename); | |
783 | assert(section); | |
784 | assert(lvalue); | |
785 | assert(rvalue); | |
786 | assert(data); | |
787 | ||
f4859fc7 | 788 | r = route_new_static(network, filename, section_line, &n); |
6ae115c1 TG |
789 | if (r < 0) |
790 | return r; | |
791 | ||
36423ff4 | 792 | r = in_addr_prefix_from_string(rvalue, AF_INET, &buffer, &prefixlen); |
6ae115c1 | 793 | if (r < 0) { |
36423ff4 | 794 | r = in_addr_prefix_from_string(rvalue, AF_INET6, &buffer, &prefixlen); |
ae4c67a7 | 795 | if (r < 0) { |
d84ed2bd ZJS |
796 | log_syntax(unit, LOG_ERR, filename, line, r, |
797 | "Route %s= prefix is invalid, ignoring assignment: %s", | |
798 | lvalue, rvalue); | |
ae4c67a7 TG |
799 | return 0; |
800 | } | |
ae4c67a7 | 801 | |
36423ff4 SS |
802 | n->family = AF_INET6; |
803 | } else | |
804 | n->family = AF_INET; | |
805 | ||
9e7e4408 | 806 | if (streq(lvalue, "Destination")) { |
2ce40956 | 807 | n->dst = buffer; |
9e7e4408 TG |
808 | n->dst_prefixlen = prefixlen; |
809 | } else if (streq(lvalue, "Source")) { | |
2ce40956 | 810 | n->src = buffer; |
9e7e4408 TG |
811 | n->src_prefixlen = prefixlen; |
812 | } else | |
813 | assert_not_reached(lvalue); | |
814 | ||
6ae115c1 TG |
815 | n = NULL; |
816 | ||
817 | return 0; | |
818 | } | |
5d8e593d SS |
819 | |
820 | int config_parse_route_priority(const char *unit, | |
821 | const char *filename, | |
822 | unsigned line, | |
823 | const char *section, | |
824 | unsigned section_line, | |
825 | const char *lvalue, | |
826 | int ltype, | |
827 | const char *rvalue, | |
828 | void *data, | |
829 | void *userdata) { | |
830 | Network *network = userdata; | |
8e766630 | 831 | _cleanup_(route_freep) Route *n = NULL; |
1c4b1179 | 832 | uint32_t k; |
5d8e593d SS |
833 | int r; |
834 | ||
835 | assert(filename); | |
836 | assert(section); | |
837 | assert(lvalue); | |
838 | assert(rvalue); | |
839 | assert(data); | |
840 | ||
f4859fc7 | 841 | r = route_new_static(network, filename, section_line, &n); |
5d8e593d SS |
842 | if (r < 0) |
843 | return r; | |
844 | ||
1c4b1179 SS |
845 | r = safe_atou32(rvalue, &k); |
846 | if (r < 0) { | |
847 | log_syntax(unit, LOG_ERR, filename, line, r, | |
848 | "Could not parse route priority \"%s\", ignoring assignment: %m", rvalue); | |
849 | return 0; | |
850 | } | |
5d8e593d | 851 | |
1c4b1179 | 852 | n->priority = k; |
5d8e593d SS |
853 | n = NULL; |
854 | ||
855 | return 0; | |
856 | } | |
769b56a3 TG |
857 | |
858 | int config_parse_route_scope(const char *unit, | |
859 | const char *filename, | |
860 | unsigned line, | |
861 | const char *section, | |
862 | unsigned section_line, | |
863 | const char *lvalue, | |
864 | int ltype, | |
865 | const char *rvalue, | |
866 | void *data, | |
867 | void *userdata) { | |
868 | Network *network = userdata; | |
8e766630 | 869 | _cleanup_(route_freep) Route *n = NULL; |
769b56a3 TG |
870 | int r; |
871 | ||
872 | assert(filename); | |
873 | assert(section); | |
874 | assert(lvalue); | |
875 | assert(rvalue); | |
876 | assert(data); | |
877 | ||
f4859fc7 | 878 | r = route_new_static(network, filename, section_line, &n); |
769b56a3 TG |
879 | if (r < 0) |
880 | return r; | |
881 | ||
882 | if (streq(rvalue, "host")) | |
883 | n->scope = RT_SCOPE_HOST; | |
884 | else if (streq(rvalue, "link")) | |
885 | n->scope = RT_SCOPE_LINK; | |
886 | else if (streq(rvalue, "global")) | |
887 | n->scope = RT_SCOPE_UNIVERSE; | |
888 | else { | |
12ca818f | 889 | log_syntax(unit, LOG_ERR, filename, line, 0, "Unknown route scope: %s", rvalue); |
769b56a3 TG |
890 | return 0; |
891 | } | |
892 | ||
893 | n = NULL; | |
894 | ||
895 | return 0; | |
896 | } | |
c953b24c SS |
897 | |
898 | int config_parse_route_table(const char *unit, | |
899 | const char *filename, | |
900 | unsigned line, | |
901 | const char *section, | |
902 | unsigned section_line, | |
903 | const char *lvalue, | |
904 | int ltype, | |
905 | const char *rvalue, | |
906 | void *data, | |
907 | void *userdata) { | |
8e766630 | 908 | _cleanup_(route_freep) Route *n = NULL; |
c953b24c SS |
909 | Network *network = userdata; |
910 | uint32_t k; | |
911 | int r; | |
912 | ||
913 | assert(filename); | |
914 | assert(section); | |
915 | assert(lvalue); | |
916 | assert(rvalue); | |
917 | assert(data); | |
918 | ||
f4859fc7 | 919 | r = route_new_static(network, filename, section_line, &n); |
c953b24c SS |
920 | if (r < 0) |
921 | return r; | |
922 | ||
923 | r = safe_atou32(rvalue, &k); | |
924 | if (r < 0) { | |
925 | log_syntax(unit, LOG_ERR, filename, line, r, | |
926 | "Could not parse route table number \"%s\", ignoring assignment: %m", rvalue); | |
927 | return 0; | |
928 | } | |
929 | ||
930 | n->table = k; | |
931 | ||
932 | n = NULL; | |
933 | ||
934 | return 0; | |
935 | } | |
28959f7d SS |
936 | |
937 | int config_parse_gateway_onlink(const char *unit, | |
938 | const char *filename, | |
939 | unsigned line, | |
940 | const char *section, | |
941 | unsigned section_line, | |
942 | const char *lvalue, | |
943 | int ltype, | |
944 | const char *rvalue, | |
945 | void *data, | |
946 | void *userdata) { | |
947 | Network *network = userdata; | |
8e766630 | 948 | _cleanup_(route_freep) Route *n = NULL; |
28959f7d SS |
949 | int r; |
950 | ||
951 | assert(filename); | |
952 | assert(section); | |
953 | assert(lvalue); | |
954 | assert(rvalue); | |
955 | assert(data); | |
956 | ||
957 | r = route_new_static(network, filename, section_line, &n); | |
958 | if (r < 0) | |
959 | return r; | |
960 | ||
961 | r = parse_boolean(rvalue); | |
962 | if (r < 0) { | |
963 | log_syntax(unit, LOG_ERR, filename, line, r, | |
964 | "Could not parse gateway onlink \"%s\", ignoring assignment: %m", rvalue); | |
965 | return 0; | |
966 | } | |
967 | ||
ab8ee0f2 | 968 | SET_FLAG(n->flags, RTNH_F_ONLINK, r); |
b5bf6f64 SS |
969 | n = NULL; |
970 | ||
971 | return 0; | |
972 | } | |
973 | ||
974 | int config_parse_ipv6_route_preference(const char *unit, | |
975 | const char *filename, | |
976 | unsigned line, | |
977 | const char *section, | |
978 | unsigned section_line, | |
979 | const char *lvalue, | |
980 | int ltype, | |
981 | const char *rvalue, | |
982 | void *data, | |
983 | void *userdata) { | |
984 | Network *network = userdata; | |
8e766630 | 985 | _cleanup_(route_freep) Route *n = NULL; |
b5bf6f64 SS |
986 | int r; |
987 | ||
4c7bd9cf SS |
988 | r = route_new_static(network, filename, section_line, &n); |
989 | if (r < 0) | |
990 | return r; | |
991 | ||
b5bf6f64 SS |
992 | if (streq(rvalue, "low")) |
993 | n->pref = ICMPV6_ROUTER_PREF_LOW; | |
994 | else if (streq(rvalue, "medium")) | |
995 | n->pref = ICMPV6_ROUTER_PREF_MEDIUM; | |
996 | else if (streq(rvalue, "high")) | |
997 | n->pref = ICMPV6_ROUTER_PREF_HIGH; | |
998 | else { | |
999 | log_syntax(unit, LOG_ERR, filename, line, 0, "Unknown route preference: %s", rvalue); | |
1000 | return 0; | |
1001 | } | |
28959f7d SS |
1002 | |
1003 | n = NULL; | |
1004 | ||
1005 | return 0; | |
1006 | } | |
c83ecc04 SS |
1007 | |
1008 | int config_parse_route_protocol(const char *unit, | |
1009 | const char *filename, | |
1010 | unsigned line, | |
1011 | const char *section, | |
1012 | unsigned section_line, | |
1013 | const char *lvalue, | |
1014 | int ltype, | |
1015 | const char *rvalue, | |
1016 | void *data, | |
1017 | void *userdata) { | |
1018 | Network *network = userdata; | |
8e766630 | 1019 | _cleanup_(route_freep) Route *n = NULL; |
c83ecc04 SS |
1020 | int r; |
1021 | ||
1022 | r = route_new_static(network, filename, section_line, &n); | |
1023 | if (r < 0) | |
1024 | return r; | |
1025 | ||
1026 | if (streq(rvalue, "kernel")) | |
1027 | n->protocol = RTPROT_KERNEL; | |
1028 | else if (streq(rvalue, "boot")) | |
1029 | n->protocol = RTPROT_BOOT; | |
1030 | else if (streq(rvalue, "static")) | |
1031 | n->protocol = RTPROT_STATIC; | |
1032 | else { | |
1033 | r = safe_atou8(rvalue , &n->protocol); | |
1034 | if (r < 0) { | |
1035 | log_syntax(unit, LOG_ERR, filename, line, r, "Could not parse route protocol \"%s\", ignoring assignment: %m", rvalue); | |
1036 | return 0; | |
1037 | } | |
1038 | } | |
1039 | ||
1040 | n = NULL; | |
1041 | ||
1042 | return 0; | |
1043 | } | |
983226f3 SS |
1044 | |
1045 | int config_parse_route_type(const char *unit, | |
1046 | const char *filename, | |
1047 | unsigned line, | |
1048 | const char *section, | |
1049 | unsigned section_line, | |
1050 | const char *lvalue, | |
1051 | int ltype, | |
1052 | const char *rvalue, | |
1053 | void *data, | |
1054 | void *userdata) { | |
1055 | Network *network = userdata; | |
8e766630 | 1056 | _cleanup_(route_freep) Route *n = NULL; |
983226f3 SS |
1057 | int r; |
1058 | ||
1059 | r = route_new_static(network, filename, section_line, &n); | |
1060 | if (r < 0) | |
1061 | return r; | |
1062 | ||
1063 | if (streq(rvalue, "unicast")) | |
1064 | n->type = RTN_UNICAST; | |
1065 | else if (streq(rvalue, "blackhole")) | |
1066 | n->type = RTN_BLACKHOLE; | |
1067 | else if (streq(rvalue, "unreachable")) | |
1068 | n->type = RTN_UNREACHABLE; | |
1069 | else if (streq(rvalue, "prohibit")) | |
1070 | n->type = RTN_PROHIBIT; | |
1071 | else { | |
1072 | log_syntax(unit, LOG_ERR, filename, line, r, "Could not parse route type \"%s\", ignoring assignment: %m", rvalue); | |
1073 | return 0; | |
1074 | } | |
1075 | ||
1076 | n = NULL; | |
1077 | ||
1078 | return 0; | |
1079 | } | |
323d9329 SS |
1080 | |
1081 | int config_parse_tcp_window(const char *unit, | |
1082 | const char *filename, | |
1083 | unsigned line, | |
1084 | const char *section, | |
1085 | unsigned section_line, | |
1086 | const char *lvalue, | |
1087 | int ltype, | |
1088 | const char *rvalue, | |
1089 | void *data, | |
1090 | void *userdata) { | |
8e766630 | 1091 | _cleanup_(route_freep) Route *n = NULL; |
6b21ad33 SS |
1092 | Network *network = userdata; |
1093 | uint64_t k; | |
323d9329 SS |
1094 | int r; |
1095 | ||
1096 | assert(filename); | |
1097 | assert(section); | |
1098 | assert(lvalue); | |
1099 | assert(rvalue); | |
1100 | assert(data); | |
1101 | ||
1102 | r = route_new_static(network, filename, section_line, &n); | |
1103 | if (r < 0) | |
1104 | return r; | |
1105 | ||
6b21ad33 SS |
1106 | r = parse_size(rvalue, 1024, &k); |
1107 | if (r < 0 || k > UINT32_MAX) { | |
323d9329 | 1108 | log_syntax(unit, LOG_ERR, filename, line, r, |
6b21ad33 | 1109 | "Could not parse TCP %s \"%s\" bytes, ignoring assignment: %m", rvalue, lvalue); |
323d9329 SS |
1110 | return 0; |
1111 | } | |
1112 | ||
1113 | if (streq(lvalue, "InitialCongestionWindow")) | |
1114 | n->initcwnd = k; | |
1115 | else if (streq(lvalue, "InitialAdvertisedReceiveWindow")) | |
1116 | n->initrwnd = k; | |
1117 | else { | |
1118 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse TCP %s: %s", lvalue, rvalue); | |
1119 | return 0; | |
1120 | } | |
1121 | ||
1122 | n = NULL; | |
1123 | ||
1124 | return 0; | |
1125 | } | |
09f5dfad SS |
1126 | |
1127 | int config_parse_quickack(const char *unit, | |
1128 | const char *filename, | |
1129 | unsigned line, | |
1130 | const char *section, | |
1131 | unsigned section_line, | |
1132 | const char *lvalue, | |
1133 | int ltype, | |
1134 | const char *rvalue, | |
1135 | void *data, | |
1136 | void *userdata) { | |
8e766630 | 1137 | _cleanup_(route_freep) Route *n = NULL; |
09f5dfad SS |
1138 | Network *network = userdata; |
1139 | int k, r; | |
1140 | ||
1141 | assert(filename); | |
1142 | assert(section); | |
1143 | assert(lvalue); | |
1144 | assert(rvalue); | |
1145 | assert(data); | |
1146 | ||
1147 | r = route_new_static(network, filename, section_line, &n); | |
1148 | if (r < 0) | |
1149 | return r; | |
1150 | ||
1151 | k = parse_boolean(rvalue); | |
1152 | if (k < 0) { | |
1153 | log_syntax(unit, LOG_ERR, filename, line, k, "Failed to parse TCP quickack, ignoring: %s", rvalue); | |
1154 | return 0; | |
1155 | } | |
1156 | ||
1157 | n->quickack = !!k; | |
1158 | n = NULL; | |
1159 | ||
1160 | return 0; | |
1161 | } |