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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" |
fc2f9534 | 8 | #include "netlink-util.h" |
23f53b99 | 9 | #include "networkd-manager.h" |
6bedfcbb | 10 | #include "networkd-route.h" |
6bedfcbb | 11 | #include "parse-util.h" |
1c8e710c | 12 | #include "set.h" |
07630cea | 13 | #include "string-util.h" |
47d2d30d | 14 | #include "sysctl-util.h" |
07630cea | 15 | #include "util.h" |
f579559b | 16 | |
47d2d30d ZJS |
17 | #define ROUTES_DEFAULT_MAX_PER_FAMILY 4096U |
18 | ||
19 | static unsigned routes_max(void) { | |
20 | static thread_local unsigned cached = 0; | |
21 | ||
22 | _cleanup_free_ char *s4 = NULL, *s6 = NULL; | |
23 | unsigned val4 = ROUTES_DEFAULT_MAX_PER_FAMILY, val6 = ROUTES_DEFAULT_MAX_PER_FAMILY; | |
24 | ||
25 | if (cached > 0) | |
26 | return cached; | |
27 | ||
28 | if (sysctl_read("net/ipv4/route/max_size", &s4) >= 0) { | |
29 | truncate_nl(s4); | |
30 | if (safe_atou(s4, &val4) >= 0 && | |
31 | val4 == 2147483647U) | |
32 | /* This is the default "no limit" value in the kernel */ | |
33 | val4 = ROUTES_DEFAULT_MAX_PER_FAMILY; | |
34 | } | |
35 | ||
36 | if (sysctl_read("net/ipv6/route/max_size", &s6) >= 0) { | |
37 | truncate_nl(s6); | |
38 | (void) safe_atou(s6, &val6); | |
39 | } | |
40 | ||
41 | cached = MAX(ROUTES_DEFAULT_MAX_PER_FAMILY, val4) + | |
42 | MAX(ROUTES_DEFAULT_MAX_PER_FAMILY, val6); | |
43 | return cached; | |
44 | } | |
8c34b963 | 45 | |
ed9e361a | 46 | int route_new(Route **ret) { |
8e766630 | 47 | _cleanup_(route_freep) Route *route = NULL; |
f0213e37 TG |
48 | |
49 | route = new0(Route, 1); | |
50 | if (!route) | |
51 | return -ENOMEM; | |
52 | ||
53 | route->family = AF_UNSPEC; | |
54 | route->scope = RT_SCOPE_UNIVERSE; | |
ed9e361a | 55 | route->protocol = RTPROT_UNSPEC; |
983226f3 | 56 | route->type = RTN_UNICAST; |
a0d95bbc | 57 | route->table = RT_TABLE_MAIN; |
f833694d | 58 | route->lifetime = USEC_INFINITY; |
09f5dfad | 59 | route->quickack = -1; |
f0213e37 | 60 | |
1cc6c93a | 61 | *ret = TAKE_PTR(route); |
f0213e37 TG |
62 | |
63 | return 0; | |
64 | } | |
65 | ||
f4859fc7 | 66 | int route_new_static(Network *network, const char *filename, unsigned section_line, Route **ret) { |
8e766630 LP |
67 | _cleanup_(network_config_section_freep) NetworkConfigSection *n = NULL; |
68 | _cleanup_(route_freep) Route *route = NULL; | |
f0213e37 | 69 | int r; |
f579559b | 70 | |
8c34b963 LP |
71 | assert(network); |
72 | assert(ret); | |
48317c39 | 73 | assert(!!filename == (section_line > 0)); |
8c34b963 | 74 | |
48317c39 | 75 | if (filename) { |
f4859fc7 SS |
76 | r = network_config_section_new(filename, section_line, &n); |
77 | if (r < 0) | |
78 | return r; | |
79 | ||
80 | route = hashmap_get(network->routes_by_section, n); | |
6ae115c1 | 81 | if (route) { |
1cc6c93a | 82 | *ret = TAKE_PTR(route); |
6ae115c1 TG |
83 | |
84 | return 0; | |
85 | } | |
86 | } | |
87 | ||
47d2d30d | 88 | if (network->n_static_routes >= routes_max()) |
8c34b963 LP |
89 | return -E2BIG; |
90 | ||
ed9e361a | 91 | r = route_new(&route); |
f0213e37 TG |
92 | if (r < 0) |
93 | return r; | |
801bd9e8 | 94 | |
ed9e361a | 95 | route->protocol = RTPROT_STATIC; |
f579559b | 96 | |
48317c39 | 97 | if (filename) { |
1cc6c93a | 98 | route->section = TAKE_PTR(n); |
cacc1dbf | 99 | |
fcc48287 | 100 | r = hashmap_put(network->routes_by_section, route->section, route); |
21b39268 LP |
101 | if (r < 0) |
102 | return r; | |
6ae115c1 TG |
103 | } |
104 | ||
21b39268 | 105 | route->network = network; |
cacc1dbf | 106 | LIST_PREPEND(routes, network->static_routes, route); |
8c34b963 | 107 | network->n_static_routes++; |
21b39268 | 108 | |
1cc6c93a | 109 | *ret = TAKE_PTR(route); |
f579559b TG |
110 | |
111 | return 0; | |
112 | } | |
113 | ||
114 | void route_free(Route *route) { | |
115 | if (!route) | |
116 | return; | |
117 | ||
f048a16b | 118 | if (route->network) { |
3d3d4255 | 119 | LIST_REMOVE(routes, route->network->static_routes, route); |
f579559b | 120 | |
8c34b963 LP |
121 | assert(route->network->n_static_routes > 0); |
122 | route->network->n_static_routes--; | |
123 | ||
fd45e522 | 124 | if (route->section) |
f4859fc7 | 125 | hashmap_remove(route->network->routes_by_section, route->section); |
f048a16b | 126 | } |
6ae115c1 | 127 | |
fd45e522 ZJS |
128 | network_config_section_free(route->section); |
129 | ||
1c8e710c TG |
130 | if (route->link) { |
131 | set_remove(route->link->routes, route); | |
132 | set_remove(route->link->routes_foreign, route); | |
133 | } | |
134 | ||
f833694d TG |
135 | sd_event_source_unref(route->expire); |
136 | ||
f579559b TG |
137 | free(route); |
138 | } | |
139 | ||
bb7ae737 TG |
140 | static void route_hash_func(const void *b, struct siphash *state) { |
141 | const Route *route = b; | |
142 | ||
143 | assert(route); | |
144 | ||
145 | siphash24_compress(&route->family, sizeof(route->family), state); | |
146 | ||
147 | switch (route->family) { | |
148 | case AF_INET: | |
149 | case AF_INET6: | |
150 | /* Equality of routes are given by the 4-touple | |
151 | (dst_prefix,dst_prefixlen,tos,priority,table) */ | |
2ce40956 | 152 | siphash24_compress(&route->dst, FAMILY_ADDRESS_SIZE(route->family), state); |
bb7ae737 TG |
153 | siphash24_compress(&route->dst_prefixlen, sizeof(route->dst_prefixlen), state); |
154 | siphash24_compress(&route->tos, sizeof(route->tos), state); | |
155 | siphash24_compress(&route->priority, sizeof(route->priority), state); | |
156 | siphash24_compress(&route->table, sizeof(route->table), state); | |
157 | ||
158 | break; | |
159 | default: | |
160 | /* treat any other address family as AF_UNSPEC */ | |
161 | break; | |
162 | } | |
163 | } | |
164 | ||
165 | static int route_compare_func(const void *_a, const void *_b) { | |
166 | const Route *a = _a, *b = _b; | |
167 | ||
168 | if (a->family < b->family) | |
169 | return -1; | |
170 | if (a->family > b->family) | |
171 | return 1; | |
172 | ||
173 | switch (a->family) { | |
174 | case AF_INET: | |
175 | case AF_INET6: | |
bb7ae737 TG |
176 | if (a->dst_prefixlen < b->dst_prefixlen) |
177 | return -1; | |
178 | if (a->dst_prefixlen > b->dst_prefixlen) | |
179 | return 1; | |
180 | ||
181 | if (a->tos < b->tos) | |
182 | return -1; | |
183 | if (a->tos > b->tos) | |
184 | return 1; | |
185 | ||
186 | if (a->priority < b->priority) | |
187 | return -1; | |
188 | if (a->priority > b->priority) | |
189 | return 1; | |
190 | ||
191 | if (a->table < b->table) | |
192 | return -1; | |
193 | if (a->table > b->table) | |
194 | return 1; | |
195 | ||
2ce40956 | 196 | return memcmp(&a->dst, &b->dst, FAMILY_ADDRESS_SIZE(a->family)); |
bb7ae737 TG |
197 | default: |
198 | /* treat any other address family as AF_UNSPEC */ | |
199 | return 0; | |
200 | } | |
201 | } | |
202 | ||
203 | static const struct hash_ops route_hash_ops = { | |
204 | .hash = route_hash_func, | |
205 | .compare = route_compare_func | |
206 | }; | |
207 | ||
1c8e710c TG |
208 | int route_get(Link *link, |
209 | int family, | |
1b566071 | 210 | const union in_addr_union *dst, |
1c8e710c TG |
211 | unsigned char dst_prefixlen, |
212 | unsigned char tos, | |
213 | uint32_t priority, | |
14d20d2b | 214 | uint32_t table, |
1c8e710c | 215 | Route **ret) { |
1b566071 LP |
216 | |
217 | Route route, *existing; | |
218 | ||
219 | assert(link); | |
220 | assert(dst); | |
221 | ||
222 | route = (Route) { | |
1c8e710c | 223 | .family = family, |
1b566071 | 224 | .dst = *dst, |
1c8e710c TG |
225 | .dst_prefixlen = dst_prefixlen, |
226 | .tos = tos, | |
227 | .priority = priority, | |
228 | .table = table, | |
1b566071 | 229 | }; |
1c8e710c TG |
230 | |
231 | existing = set_get(link->routes, &route); | |
232 | if (existing) { | |
1b566071 LP |
233 | if (ret) |
234 | *ret = existing; | |
1c8e710c | 235 | return 1; |
1c8e710c TG |
236 | } |
237 | ||
1b566071 LP |
238 | existing = set_get(link->routes_foreign, &route); |
239 | if (existing) { | |
240 | if (ret) | |
241 | *ret = existing; | |
242 | return 0; | |
243 | } | |
1c8e710c | 244 | |
1b566071 | 245 | return -ENOENT; |
1c8e710c TG |
246 | } |
247 | ||
889b550f LP |
248 | static int route_add_internal( |
249 | Link *link, | |
250 | Set **routes, | |
251 | int family, | |
252 | const union in_addr_union *dst, | |
253 | unsigned char dst_prefixlen, | |
254 | unsigned char tos, | |
255 | uint32_t priority, | |
14d20d2b | 256 | uint32_t table, |
889b550f LP |
257 | Route **ret) { |
258 | ||
8e766630 | 259 | _cleanup_(route_freep) Route *route = NULL; |
1c8e710c TG |
260 | int r; |
261 | ||
262 | assert(link); | |
263 | assert(routes); | |
264 | assert(dst); | |
265 | ||
266 | r = route_new(&route); | |
267 | if (r < 0) | |
268 | return r; | |
269 | ||
270 | route->family = family; | |
271 | route->dst = *dst; | |
272 | route->dst_prefixlen = dst_prefixlen; | |
273 | route->tos = tos; | |
274 | route->priority = priority; | |
275 | route->table = table; | |
276 | ||
277 | r = set_ensure_allocated(routes, &route_hash_ops); | |
278 | if (r < 0) | |
279 | return r; | |
280 | ||
281 | r = set_put(*routes, route); | |
282 | if (r < 0) | |
283 | return r; | |
284 | ||
285 | route->link = link; | |
286 | ||
287 | if (ret) | |
288 | *ret = route; | |
289 | ||
290 | route = NULL; | |
291 | ||
292 | return 0; | |
293 | } | |
294 | ||
889b550f LP |
295 | int route_add_foreign( |
296 | Link *link, | |
297 | int family, | |
298 | const union in_addr_union *dst, | |
299 | unsigned char dst_prefixlen, | |
300 | unsigned char tos, | |
301 | uint32_t priority, | |
14d20d2b | 302 | uint32_t table, |
889b550f LP |
303 | Route **ret) { |
304 | ||
1c8e710c TG |
305 | return route_add_internal(link, &link->routes_foreign, family, dst, dst_prefixlen, tos, priority, table, ret); |
306 | } | |
307 | ||
27efb52b | 308 | int route_add(Link *link, |
1c8e710c | 309 | int family, |
889b550f | 310 | const union in_addr_union *dst, |
1c8e710c TG |
311 | unsigned char dst_prefixlen, |
312 | unsigned char tos, | |
313 | uint32_t priority, | |
14d20d2b | 314 | uint32_t table, |
889b550f LP |
315 | Route **ret) { |
316 | ||
1c8e710c TG |
317 | Route *route; |
318 | int r; | |
319 | ||
320 | r = route_get(link, family, dst, dst_prefixlen, tos, priority, table, &route); | |
321 | if (r == -ENOENT) { | |
322 | /* Route does not exist, create a new one */ | |
323 | r = route_add_internal(link, &link->routes, family, dst, dst_prefixlen, tos, priority, table, &route); | |
324 | if (r < 0) | |
325 | return r; | |
326 | } else if (r == 0) { | |
327 | /* Take over a foreign route */ | |
328 | r = set_ensure_allocated(&link->routes, &route_hash_ops); | |
329 | if (r < 0) | |
330 | return r; | |
331 | ||
332 | r = set_put(link->routes, route); | |
333 | if (r < 0) | |
334 | return r; | |
335 | ||
336 | set_remove(link->routes_foreign, route); | |
337 | } else if (r == 1) { | |
338 | /* Route exists, do nothing */ | |
339 | ; | |
340 | } else | |
341 | return r; | |
342 | ||
856e309d MC |
343 | if (ret) |
344 | *ret = route; | |
1c8e710c TG |
345 | |
346 | return 0; | |
347 | } | |
348 | ||
bbd15900 | 349 | void route_update(Route *route, |
27efb52b YW |
350 | const union in_addr_union *src, |
351 | unsigned char src_prefixlen, | |
352 | const union in_addr_union *gw, | |
353 | const union in_addr_union *prefsrc, | |
354 | unsigned char scope, | |
355 | unsigned char protocol, | |
356 | unsigned char type) { | |
889b550f | 357 | |
1c8e710c | 358 | assert(route); |
26db55f3 | 359 | assert(src || src_prefixlen == 0); |
1c8e710c | 360 | |
26db55f3 | 361 | route->src = src ? *src : (union in_addr_union) {}; |
1c8e710c | 362 | route->src_prefixlen = src_prefixlen; |
26db55f3 YW |
363 | route->gw = gw ? *gw : (union in_addr_union) {}; |
364 | route->prefsrc = prefsrc ? *prefsrc : (union in_addr_union) {}; | |
1c8e710c TG |
365 | route->scope = scope; |
366 | route->protocol = protocol; | |
983226f3 | 367 | route->type = type; |
1c8e710c TG |
368 | } |
369 | ||
91b5f997 | 370 | int route_remove(Route *route, Link *link, |
27efb52b YW |
371 | sd_netlink_message_handler_t callback) { |
372 | ||
4afd3348 | 373 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; |
5c1d3fc9 UTL |
374 | int r; |
375 | ||
376 | assert(link); | |
377 | assert(link->manager); | |
378 | assert(link->manager->rtnl); | |
379 | assert(link->ifindex > 0); | |
4c701096 | 380 | assert(IN_SET(route->family, AF_INET, AF_INET6)); |
5c1d3fc9 UTL |
381 | |
382 | r = sd_rtnl_message_new_route(link->manager->rtnl, &req, | |
28cc555d DW |
383 | RTM_DELROUTE, route->family, |
384 | route->protocol); | |
f647962d MS |
385 | if (r < 0) |
386 | return log_error_errno(r, "Could not create RTM_DELROUTE message: %m"); | |
5c1d3fc9 | 387 | |
2ce40956 | 388 | if (!in_addr_is_null(route->family, &route->gw)) { |
59580681 | 389 | if (route->family == AF_INET) |
2ce40956 | 390 | r = sd_netlink_message_append_in_addr(req, RTA_GATEWAY, &route->gw.in); |
59580681 | 391 | else if (route->family == AF_INET6) |
2ce40956 | 392 | r = sd_netlink_message_append_in6_addr(req, RTA_GATEWAY, &route->gw.in6); |
f647962d MS |
393 | if (r < 0) |
394 | return log_error_errno(r, "Could not append RTA_GATEWAY attribute: %m"); | |
5c1d3fc9 UTL |
395 | } |
396 | ||
397 | if (route->dst_prefixlen) { | |
398 | if (route->family == AF_INET) | |
2ce40956 | 399 | r = sd_netlink_message_append_in_addr(req, RTA_DST, &route->dst.in); |
5c1d3fc9 | 400 | else if (route->family == AF_INET6) |
2ce40956 | 401 | r = sd_netlink_message_append_in6_addr(req, RTA_DST, &route->dst.in6); |
f647962d MS |
402 | if (r < 0) |
403 | return log_error_errno(r, "Could not append RTA_DST attribute: %m"); | |
5c1d3fc9 UTL |
404 | |
405 | r = sd_rtnl_message_route_set_dst_prefixlen(req, route->dst_prefixlen); | |
f647962d MS |
406 | if (r < 0) |
407 | return log_error_errno(r, "Could not set destination prefix length: %m"); | |
5c1d3fc9 UTL |
408 | } |
409 | ||
9e7e4408 TG |
410 | if (route->src_prefixlen) { |
411 | if (route->family == AF_INET) | |
2ce40956 | 412 | r = sd_netlink_message_append_in_addr(req, RTA_SRC, &route->src.in); |
9e7e4408 | 413 | else if (route->family == AF_INET6) |
2ce40956 | 414 | r = sd_netlink_message_append_in6_addr(req, RTA_SRC, &route->src.in6); |
9e7e4408 | 415 | if (r < 0) |
d9d94393 | 416 | return log_error_errno(r, "Could not append RTA_SRC attribute: %m"); |
9e7e4408 TG |
417 | |
418 | r = sd_rtnl_message_route_set_src_prefixlen(req, route->src_prefixlen); | |
419 | if (r < 0) | |
420 | return log_error_errno(r, "Could not set source prefix length: %m"); | |
421 | } | |
422 | ||
2ce40956 | 423 | if (!in_addr_is_null(route->family, &route->prefsrc)) { |
46b0c76e | 424 | if (route->family == AF_INET) |
2ce40956 | 425 | r = sd_netlink_message_append_in_addr(req, RTA_PREFSRC, &route->prefsrc.in); |
46b0c76e | 426 | else if (route->family == AF_INET6) |
2ce40956 | 427 | r = sd_netlink_message_append_in6_addr(req, RTA_PREFSRC, &route->prefsrc.in6); |
f647962d MS |
428 | if (r < 0) |
429 | return log_error_errno(r, "Could not append RTA_PREFSRC attribute: %m"); | |
46b0c76e ERB |
430 | } |
431 | ||
5c1d3fc9 | 432 | r = sd_rtnl_message_route_set_scope(req, route->scope); |
f647962d MS |
433 | if (r < 0) |
434 | return log_error_errno(r, "Could not set scope: %m"); | |
5c1d3fc9 | 435 | |
86655331 | 436 | r = sd_netlink_message_append_u32(req, RTA_PRIORITY, route->priority); |
f647962d MS |
437 | if (r < 0) |
438 | return log_error_errno(r, "Could not append RTA_PRIORITY attribute: %m"); | |
5c1d3fc9 | 439 | |
983226f3 SS |
440 | if (!IN_SET(route->type, RTN_UNREACHABLE, RTN_PROHIBIT, RTN_BLACKHOLE)) { |
441 | r = sd_netlink_message_append_u32(req, RTA_OIF, link->ifindex); | |
442 | if (r < 0) | |
443 | return log_error_errno(r, "Could not append RTA_OIF attribute: %m"); | |
444 | } | |
5c1d3fc9 | 445 | |
1c4baffc | 446 | r = sd_netlink_call_async(link->manager->rtnl, req, callback, link, 0, NULL); |
f647962d MS |
447 | if (r < 0) |
448 | return log_error_errno(r, "Could not send rtnetlink message: %m"); | |
5c1d3fc9 | 449 | |
563c69c6 TG |
450 | link_ref(link); |
451 | ||
5c1d3fc9 UTL |
452 | return 0; |
453 | } | |
454 | ||
fe7ca21a SS |
455 | static int route_expire_callback(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { |
456 | Link *link = userdata; | |
457 | int r; | |
458 | ||
459 | assert(rtnl); | |
460 | assert(m); | |
461 | assert(link); | |
462 | assert(link->ifname); | |
fe7ca21a SS |
463 | |
464 | if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER)) | |
465 | return 1; | |
466 | ||
fe7ca21a SS |
467 | r = sd_netlink_message_get_errno(m); |
468 | if (r < 0 && r != -EEXIST) | |
469 | log_link_warning_errno(link, r, "could not remove route: %m"); | |
470 | ||
fe7ca21a SS |
471 | return 1; |
472 | } | |
473 | ||
f833694d TG |
474 | int route_expire_handler(sd_event_source *s, uint64_t usec, void *userdata) { |
475 | Route *route = userdata; | |
476 | int r; | |
477 | ||
478 | assert(route); | |
479 | ||
fe7ca21a | 480 | r = route_remove(route, route->link, route_expire_callback); |
f833694d TG |
481 | if (r < 0) |
482 | log_warning_errno(r, "Could not remove route: %m"); | |
3bdccf69 | 483 | else |
fe7ca21a | 484 | route_free(route); |
f833694d TG |
485 | |
486 | return 1; | |
487 | } | |
488 | ||
1b566071 LP |
489 | int route_configure( |
490 | Route *route, | |
491 | Link *link, | |
492 | sd_netlink_message_handler_t callback) { | |
493 | ||
4afd3348 LP |
494 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; |
495 | _cleanup_(sd_event_source_unrefp) sd_event_source *expire = NULL; | |
f833694d | 496 | usec_t lifetime; |
f579559b TG |
497 | int r; |
498 | ||
f579559b | 499 | assert(link); |
f882c247 TG |
500 | assert(link->manager); |
501 | assert(link->manager->rtnl); | |
f579559b | 502 | assert(link->ifindex > 0); |
4c701096 | 503 | assert(IN_SET(route->family, AF_INET, AF_INET6)); |
f579559b | 504 | |
1b566071 | 505 | if (route_get(link, route->family, &route->dst, route->dst_prefixlen, route->tos, route->priority, route->table, NULL) <= 0 && |
47d2d30d | 506 | set_size(link->routes) >= routes_max()) |
1b566071 LP |
507 | return -E2BIG; |
508 | ||
151b9b96 | 509 | r = sd_rtnl_message_new_route(link->manager->rtnl, &req, |
28cc555d DW |
510 | RTM_NEWROUTE, route->family, |
511 | route->protocol); | |
f647962d MS |
512 | if (r < 0) |
513 | return log_error_errno(r, "Could not create RTM_NEWROUTE message: %m"); | |
f579559b | 514 | |
2ce40956 | 515 | if (!in_addr_is_null(route->family, &route->gw)) { |
59580681 | 516 | if (route->family == AF_INET) |
2ce40956 | 517 | r = sd_netlink_message_append_in_addr(req, RTA_GATEWAY, &route->gw.in); |
59580681 | 518 | else if (route->family == AF_INET6) |
2ce40956 | 519 | r = sd_netlink_message_append_in6_addr(req, RTA_GATEWAY, &route->gw.in6); |
f647962d MS |
520 | if (r < 0) |
521 | return log_error_errno(r, "Could not append RTA_GATEWAY attribute: %m"); | |
c953b24c SS |
522 | |
523 | r = sd_rtnl_message_route_set_family(req, route->family); | |
524 | if (r < 0) | |
525 | return log_error_errno(r, "Could not set route family: %m"); | |
f579559b TG |
526 | } |
527 | ||
0a0dc69b TG |
528 | if (route->dst_prefixlen) { |
529 | if (route->family == AF_INET) | |
2ce40956 | 530 | r = sd_netlink_message_append_in_addr(req, RTA_DST, &route->dst.in); |
0a0dc69b | 531 | else if (route->family == AF_INET6) |
2ce40956 | 532 | r = sd_netlink_message_append_in6_addr(req, RTA_DST, &route->dst.in6); |
f647962d MS |
533 | if (r < 0) |
534 | return log_error_errno(r, "Could not append RTA_DST attribute: %m"); | |
6ae115c1 | 535 | |
ae4c67a7 | 536 | r = sd_rtnl_message_route_set_dst_prefixlen(req, route->dst_prefixlen); |
f647962d MS |
537 | if (r < 0) |
538 | return log_error_errno(r, "Could not set destination prefix length: %m"); | |
1f01fb4f TG |
539 | } |
540 | ||
9e7e4408 TG |
541 | if (route->src_prefixlen) { |
542 | if (route->family == AF_INET) | |
2ce40956 | 543 | r = sd_netlink_message_append_in_addr(req, RTA_SRC, &route->src.in); |
9e7e4408 | 544 | else if (route->family == AF_INET6) |
2ce40956 | 545 | r = sd_netlink_message_append_in6_addr(req, RTA_SRC, &route->src.in6); |
9e7e4408 TG |
546 | if (r < 0) |
547 | return log_error_errno(r, "Could not append RTA_SRC attribute: %m"); | |
548 | ||
549 | r = sd_rtnl_message_route_set_src_prefixlen(req, route->src_prefixlen); | |
550 | if (r < 0) | |
551 | return log_error_errno(r, "Could not set source prefix length: %m"); | |
552 | } | |
553 | ||
2ce40956 | 554 | if (!in_addr_is_null(route->family, &route->prefsrc)) { |
46b0c76e | 555 | if (route->family == AF_INET) |
2ce40956 | 556 | r = sd_netlink_message_append_in_addr(req, RTA_PREFSRC, &route->prefsrc.in); |
46b0c76e | 557 | else if (route->family == AF_INET6) |
2ce40956 | 558 | r = sd_netlink_message_append_in6_addr(req, RTA_PREFSRC, &route->prefsrc.in6); |
f647962d MS |
559 | if (r < 0) |
560 | return log_error_errno(r, "Could not append RTA_PREFSRC attribute: %m"); | |
46b0c76e ERB |
561 | } |
562 | ||
5c1d3fc9 | 563 | r = sd_rtnl_message_route_set_scope(req, route->scope); |
f647962d MS |
564 | if (r < 0) |
565 | return log_error_errno(r, "Could not set scope: %m"); | |
5c1d3fc9 | 566 | |
3b015d40 TG |
567 | r = sd_rtnl_message_route_set_flags(req, route->flags); |
568 | if (r < 0) | |
c953b24c SS |
569 | return log_error_errno(r, "Could not set flags: %m"); |
570 | ||
a0d95bbc | 571 | if (route->table != RT_TABLE_MAIN) { |
c953b24c SS |
572 | if (route->table < 256) { |
573 | r = sd_rtnl_message_route_set_table(req, route->table); | |
574 | if (r < 0) | |
575 | return log_error_errno(r, "Could not set route table: %m"); | |
576 | } else { | |
c953b24c SS |
577 | r = sd_rtnl_message_route_set_table(req, RT_TABLE_UNSPEC); |
578 | if (r < 0) | |
579 | return log_error_errno(r, "Could not set route table: %m"); | |
580 | ||
06976f5b | 581 | /* Table attribute to allow more than 256. */ |
c953b24c SS |
582 | r = sd_netlink_message_append_data(req, RTA_TABLE, &route->table, sizeof(route->table)); |
583 | if (r < 0) | |
584 | return log_error_errno(r, "Could not append RTA_TABLE attribute: %m"); | |
585 | } | |
586 | } | |
3b015d40 | 587 | |
86655331 | 588 | r = sd_netlink_message_append_u32(req, RTA_PRIORITY, route->priority); |
f647962d MS |
589 | if (r < 0) |
590 | return log_error_errno(r, "Could not append RTA_PRIORITY attribute: %m"); | |
5c1d3fc9 | 591 | |
3b015d40 TG |
592 | r = sd_netlink_message_append_u8(req, RTA_PREF, route->pref); |
593 | if (r < 0) | |
594 | return log_error_errno(r, "Could not append RTA_PREF attribute: %m"); | |
595 | ||
f02ba163 DD |
596 | if (route->lifetime != USEC_INFINITY && kernel_route_expiration_supported()) { |
597 | r = sd_netlink_message_append_u32(req, RTA_EXPIRES, | |
598 | DIV_ROUND_UP(usec_sub_unsigned(route->lifetime, now(clock_boottime_or_monotonic())), USEC_PER_SEC)); | |
599 | if (r < 0) | |
600 | return log_error_errno(r, "Could not append RTA_EXPIRES attribute: %m"); | |
601 | } | |
602 | ||
983226f3 | 603 | r = sd_rtnl_message_route_set_type(req, route->type); |
f647962d | 604 | if (r < 0) |
983226f3 SS |
605 | return log_error_errno(r, "Could not set route type: %m"); |
606 | ||
607 | if (!IN_SET(route->type, RTN_UNREACHABLE, RTN_PROHIBIT, RTN_BLACKHOLE)) { | |
608 | r = sd_netlink_message_append_u32(req, RTA_OIF, link->ifindex); | |
609 | if (r < 0) | |
610 | return log_error_errno(r, "Could not append RTA_OIF attribute: %m"); | |
611 | } | |
f579559b | 612 | |
d6fceaf1 SS |
613 | r = sd_netlink_message_open_container(req, RTA_METRICS); |
614 | if (r < 0) | |
615 | return log_error_errno(r, "Could not append RTA_METRICS attribute: %m"); | |
616 | ||
617 | if (route->mtu > 0) { | |
618 | r = sd_netlink_message_append_u32(req, RTAX_MTU, route->mtu); | |
619 | if (r < 0) | |
620 | return log_error_errno(r, "Could not append RTAX_MTU attribute: %m"); | |
621 | } | |
622 | ||
6b21ad33 | 623 | if (route->initcwnd > 0) { |
323d9329 SS |
624 | r = sd_netlink_message_append_u32(req, RTAX_INITCWND, route->initcwnd); |
625 | if (r < 0) | |
626 | return log_error_errno(r, "Could not append RTAX_INITCWND attribute: %m"); | |
627 | } | |
628 | ||
6b21ad33 | 629 | if (route->initrwnd > 0) { |
323d9329 SS |
630 | r = sd_netlink_message_append_u32(req, RTAX_INITRWND, route->initrwnd); |
631 | if (r < 0) | |
632 | return log_error_errno(r, "Could not append RTAX_INITRWND attribute: %m"); | |
633 | } | |
634 | ||
09f5dfad SS |
635 | if (route->quickack != -1) { |
636 | r = sd_netlink_message_append_u32(req, RTAX_QUICKACK, route->quickack); | |
637 | if (r < 0) | |
638 | return log_error_errno(r, "Could not append RTAX_QUICKACK attribute: %m"); | |
639 | } | |
640 | ||
d6fceaf1 SS |
641 | r = sd_netlink_message_close_container(req); |
642 | if (r < 0) | |
643 | return log_error_errno(r, "Could not append RTA_METRICS attribute: %m"); | |
644 | ||
1c4baffc | 645 | r = sd_netlink_call_async(link->manager->rtnl, req, callback, link, 0, NULL); |
f647962d MS |
646 | if (r < 0) |
647 | return log_error_errno(r, "Could not send rtnetlink message: %m"); | |
f579559b | 648 | |
563c69c6 TG |
649 | link_ref(link); |
650 | ||
f833694d TG |
651 | lifetime = route->lifetime; |
652 | ||
653 | r = route_add(link, route->family, &route->dst, route->dst_prefixlen, route->tos, route->priority, route->table, &route); | |
1c8e710c TG |
654 | if (r < 0) |
655 | return log_error_errno(r, "Could not add route: %m"); | |
656 | ||
f833694d TG |
657 | /* TODO: drop expiration handling once it can be pushed into the kernel */ |
658 | route->lifetime = lifetime; | |
659 | ||
f02ba163 | 660 | if (route->lifetime != USEC_INFINITY && !kernel_route_expiration_supported()) { |
f833694d TG |
661 | r = sd_event_add_time(link->manager->event, &expire, clock_boottime_or_monotonic(), |
662 | route->lifetime, 0, route_expire_handler, route); | |
663 | if (r < 0) | |
664 | return log_error_errno(r, "Could not arm expiration timer: %m"); | |
665 | } | |
666 | ||
667 | sd_event_source_unref(route->expire); | |
1cc6c93a | 668 | route->expire = TAKE_PTR(expire); |
f833694d | 669 | |
f579559b TG |
670 | return 0; |
671 | } | |
672 | ||
27efb52b YW |
673 | int config_parse_gateway( |
674 | const char *unit, | |
f579559b TG |
675 | const char *filename, |
676 | unsigned line, | |
677 | const char *section, | |
71a61510 | 678 | unsigned section_line, |
f579559b TG |
679 | const char *lvalue, |
680 | int ltype, | |
681 | const char *rvalue, | |
682 | void *data, | |
683 | void *userdata) { | |
44e7b949 | 684 | |
6ae115c1 | 685 | Network *network = userdata; |
8e766630 | 686 | _cleanup_(route_freep) Route *n = NULL; |
44e7b949 LP |
687 | union in_addr_union buffer; |
688 | int r, f; | |
f579559b TG |
689 | |
690 | assert(filename); | |
6ae115c1 | 691 | assert(section); |
f579559b TG |
692 | assert(lvalue); |
693 | assert(rvalue); | |
694 | assert(data); | |
695 | ||
92fe133a TG |
696 | if (streq(section, "Network")) { |
697 | /* we are not in an Route section, so treat | |
698 | * this as the special '0' section */ | |
f4859fc7 SS |
699 | r = route_new_static(network, NULL, 0, &n); |
700 | } else | |
701 | r = route_new_static(network, filename, section_line, &n); | |
92fe133a | 702 | |
f579559b TG |
703 | if (r < 0) |
704 | return r; | |
705 | ||
44e7b949 | 706 | r = in_addr_from_string_auto(rvalue, &f, &buffer); |
f579559b | 707 | if (r < 0) { |
12ca818f | 708 | log_syntax(unit, LOG_ERR, filename, line, r, "Route is invalid, ignoring assignment: %s", rvalue); |
f579559b TG |
709 | return 0; |
710 | } | |
711 | ||
44e7b949 | 712 | n->family = f; |
2ce40956 | 713 | n->gw = buffer; |
aff44301 | 714 | TAKE_PTR(n); |
f579559b TG |
715 | |
716 | return 0; | |
717 | } | |
6ae115c1 | 718 | |
27efb52b YW |
719 | int config_parse_preferred_src( |
720 | const char *unit, | |
0d07e595 JK |
721 | const char *filename, |
722 | unsigned line, | |
723 | const char *section, | |
724 | unsigned section_line, | |
725 | const char *lvalue, | |
726 | int ltype, | |
727 | const char *rvalue, | |
728 | void *data, | |
729 | void *userdata) { | |
730 | ||
731 | Network *network = userdata; | |
8e766630 | 732 | _cleanup_(route_freep) Route *n = NULL; |
0d07e595 JK |
733 | union in_addr_union buffer; |
734 | int r, f; | |
735 | ||
736 | assert(filename); | |
737 | assert(section); | |
738 | assert(lvalue); | |
739 | assert(rvalue); | |
740 | assert(data); | |
741 | ||
f4859fc7 | 742 | r = route_new_static(network, filename, section_line, &n); |
0d07e595 JK |
743 | if (r < 0) |
744 | return r; | |
745 | ||
746 | r = in_addr_from_string_auto(rvalue, &f, &buffer); | |
747 | if (r < 0) { | |
748 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, | |
749 | "Preferred source is invalid, ignoring assignment: %s", rvalue); | |
750 | return 0; | |
751 | } | |
752 | ||
753 | n->family = f; | |
2ce40956 | 754 | n->prefsrc = buffer; |
aff44301 | 755 | TAKE_PTR(n); |
0d07e595 JK |
756 | |
757 | return 0; | |
758 | } | |
759 | ||
27efb52b YW |
760 | int config_parse_destination( |
761 | const char *unit, | |
6ae115c1 TG |
762 | const char *filename, |
763 | unsigned line, | |
764 | const char *section, | |
765 | unsigned section_line, | |
766 | const char *lvalue, | |
767 | int ltype, | |
768 | const char *rvalue, | |
769 | void *data, | |
770 | void *userdata) { | |
44e7b949 | 771 | |
6ae115c1 | 772 | Network *network = userdata; |
8e766630 | 773 | _cleanup_(route_freep) Route *n = NULL; |
44e7b949 | 774 | union in_addr_union buffer; |
9e7e4408 | 775 | unsigned char prefixlen; |
ca3bad65 | 776 | int r; |
6ae115c1 TG |
777 | |
778 | assert(filename); | |
779 | assert(section); | |
780 | assert(lvalue); | |
781 | assert(rvalue); | |
782 | assert(data); | |
783 | ||
f4859fc7 | 784 | r = route_new_static(network, filename, section_line, &n); |
6ae115c1 TG |
785 | if (r < 0) |
786 | return r; | |
787 | ||
36423ff4 | 788 | r = in_addr_prefix_from_string(rvalue, AF_INET, &buffer, &prefixlen); |
6ae115c1 | 789 | if (r < 0) { |
36423ff4 | 790 | r = in_addr_prefix_from_string(rvalue, AF_INET6, &buffer, &prefixlen); |
ae4c67a7 | 791 | if (r < 0) { |
d84ed2bd ZJS |
792 | log_syntax(unit, LOG_ERR, filename, line, r, |
793 | "Route %s= prefix is invalid, ignoring assignment: %s", | |
794 | lvalue, rvalue); | |
ae4c67a7 TG |
795 | return 0; |
796 | } | |
ae4c67a7 | 797 | |
36423ff4 SS |
798 | n->family = AF_INET6; |
799 | } else | |
800 | n->family = AF_INET; | |
801 | ||
9e7e4408 | 802 | if (streq(lvalue, "Destination")) { |
2ce40956 | 803 | n->dst = buffer; |
9e7e4408 TG |
804 | n->dst_prefixlen = prefixlen; |
805 | } else if (streq(lvalue, "Source")) { | |
2ce40956 | 806 | n->src = buffer; |
9e7e4408 TG |
807 | n->src_prefixlen = prefixlen; |
808 | } else | |
809 | assert_not_reached(lvalue); | |
810 | ||
aff44301 | 811 | TAKE_PTR(n); |
6ae115c1 TG |
812 | return 0; |
813 | } | |
5d8e593d | 814 | |
27efb52b YW |
815 | int config_parse_route_priority( |
816 | const char *unit, | |
817 | const char *filename, | |
818 | unsigned line, | |
819 | const char *section, | |
820 | unsigned section_line, | |
821 | const char *lvalue, | |
822 | int ltype, | |
823 | const char *rvalue, | |
824 | void *data, | |
825 | void *userdata) { | |
826 | ||
5d8e593d | 827 | Network *network = userdata; |
8e766630 | 828 | _cleanup_(route_freep) Route *n = NULL; |
5d8e593d SS |
829 | int r; |
830 | ||
831 | assert(filename); | |
832 | assert(section); | |
833 | assert(lvalue); | |
834 | assert(rvalue); | |
835 | assert(data); | |
836 | ||
f4859fc7 | 837 | r = route_new_static(network, filename, section_line, &n); |
5d8e593d SS |
838 | if (r < 0) |
839 | return r; | |
840 | ||
aff44301 | 841 | r = safe_atou32(rvalue, &n->priority); |
1c4b1179 SS |
842 | if (r < 0) { |
843 | log_syntax(unit, LOG_ERR, filename, line, r, | |
844 | "Could not parse route priority \"%s\", ignoring assignment: %m", rvalue); | |
845 | return 0; | |
846 | } | |
5d8e593d | 847 | |
aff44301 | 848 | TAKE_PTR(n); |
5d8e593d SS |
849 | return 0; |
850 | } | |
769b56a3 | 851 | |
27efb52b YW |
852 | int config_parse_route_scope( |
853 | const char *unit, | |
854 | const char *filename, | |
855 | unsigned line, | |
856 | const char *section, | |
857 | unsigned section_line, | |
858 | const char *lvalue, | |
859 | int ltype, | |
860 | const char *rvalue, | |
861 | void *data, | |
862 | void *userdata) { | |
863 | ||
769b56a3 | 864 | Network *network = userdata; |
8e766630 | 865 | _cleanup_(route_freep) Route *n = NULL; |
769b56a3 TG |
866 | int r; |
867 | ||
868 | assert(filename); | |
869 | assert(section); | |
870 | assert(lvalue); | |
871 | assert(rvalue); | |
872 | assert(data); | |
873 | ||
f4859fc7 | 874 | r = route_new_static(network, filename, section_line, &n); |
769b56a3 TG |
875 | if (r < 0) |
876 | return r; | |
877 | ||
878 | if (streq(rvalue, "host")) | |
879 | n->scope = RT_SCOPE_HOST; | |
880 | else if (streq(rvalue, "link")) | |
881 | n->scope = RT_SCOPE_LINK; | |
882 | else if (streq(rvalue, "global")) | |
883 | n->scope = RT_SCOPE_UNIVERSE; | |
884 | else { | |
12ca818f | 885 | log_syntax(unit, LOG_ERR, filename, line, 0, "Unknown route scope: %s", rvalue); |
769b56a3 TG |
886 | return 0; |
887 | } | |
888 | ||
aff44301 | 889 | TAKE_PTR(n); |
769b56a3 TG |
890 | return 0; |
891 | } | |
c953b24c | 892 | |
27efb52b YW |
893 | int config_parse_route_table( |
894 | const char *unit, | |
895 | const char *filename, | |
896 | unsigned line, | |
897 | const char *section, | |
898 | unsigned section_line, | |
899 | const char *lvalue, | |
900 | int ltype, | |
901 | const char *rvalue, | |
902 | void *data, | |
903 | void *userdata) { | |
904 | ||
8e766630 | 905 | _cleanup_(route_freep) Route *n = NULL; |
c953b24c | 906 | Network *network = userdata; |
c953b24c SS |
907 | int r; |
908 | ||
909 | assert(filename); | |
910 | assert(section); | |
911 | assert(lvalue); | |
912 | assert(rvalue); | |
913 | assert(data); | |
914 | ||
f4859fc7 | 915 | r = route_new_static(network, filename, section_line, &n); |
c953b24c SS |
916 | if (r < 0) |
917 | return r; | |
918 | ||
aff44301 | 919 | r = safe_atou32(rvalue, &n->table); |
c953b24c SS |
920 | if (r < 0) { |
921 | log_syntax(unit, LOG_ERR, filename, line, r, | |
922 | "Could not parse route table number \"%s\", ignoring assignment: %m", rvalue); | |
923 | return 0; | |
924 | } | |
925 | ||
aff44301 | 926 | TAKE_PTR(n); |
c953b24c SS |
927 | return 0; |
928 | } | |
28959f7d | 929 | |
27efb52b YW |
930 | int config_parse_gateway_onlink( |
931 | const char *unit, | |
932 | const char *filename, | |
933 | unsigned line, | |
934 | const char *section, | |
935 | unsigned section_line, | |
936 | const char *lvalue, | |
937 | int ltype, | |
938 | const char *rvalue, | |
939 | void *data, | |
940 | void *userdata) { | |
941 | ||
28959f7d | 942 | Network *network = userdata; |
8e766630 | 943 | _cleanup_(route_freep) Route *n = NULL; |
28959f7d SS |
944 | int r; |
945 | ||
946 | assert(filename); | |
947 | assert(section); | |
948 | assert(lvalue); | |
949 | assert(rvalue); | |
950 | assert(data); | |
951 | ||
952 | r = route_new_static(network, filename, section_line, &n); | |
953 | if (r < 0) | |
954 | return r; | |
955 | ||
956 | r = parse_boolean(rvalue); | |
957 | if (r < 0) { | |
958 | log_syntax(unit, LOG_ERR, filename, line, r, | |
959 | "Could not parse gateway onlink \"%s\", ignoring assignment: %m", rvalue); | |
960 | return 0; | |
961 | } | |
962 | ||
ab8ee0f2 | 963 | SET_FLAG(n->flags, RTNH_F_ONLINK, r); |
aff44301 | 964 | TAKE_PTR(n); |
b5bf6f64 SS |
965 | return 0; |
966 | } | |
967 | ||
27efb52b YW |
968 | int config_parse_ipv6_route_preference( |
969 | const char *unit, | |
970 | const char *filename, | |
971 | unsigned line, | |
972 | const char *section, | |
973 | unsigned section_line, | |
974 | const char *lvalue, | |
975 | int ltype, | |
976 | const char *rvalue, | |
977 | void *data, | |
978 | void *userdata) { | |
979 | ||
b5bf6f64 | 980 | Network *network = userdata; |
8e766630 | 981 | _cleanup_(route_freep) Route *n = NULL; |
b5bf6f64 SS |
982 | int r; |
983 | ||
4c7bd9cf SS |
984 | r = route_new_static(network, filename, section_line, &n); |
985 | if (r < 0) | |
986 | return r; | |
987 | ||
b5bf6f64 SS |
988 | if (streq(rvalue, "low")) |
989 | n->pref = ICMPV6_ROUTER_PREF_LOW; | |
990 | else if (streq(rvalue, "medium")) | |
991 | n->pref = ICMPV6_ROUTER_PREF_MEDIUM; | |
992 | else if (streq(rvalue, "high")) | |
993 | n->pref = ICMPV6_ROUTER_PREF_HIGH; | |
994 | else { | |
995 | log_syntax(unit, LOG_ERR, filename, line, 0, "Unknown route preference: %s", rvalue); | |
996 | return 0; | |
997 | } | |
28959f7d | 998 | |
aff44301 | 999 | TAKE_PTR(n); |
28959f7d SS |
1000 | return 0; |
1001 | } | |
c83ecc04 | 1002 | |
27efb52b YW |
1003 | int config_parse_route_protocol( |
1004 | const char *unit, | |
1005 | const char *filename, | |
1006 | unsigned line, | |
1007 | const char *section, | |
1008 | unsigned section_line, | |
1009 | const char *lvalue, | |
1010 | int ltype, | |
1011 | const char *rvalue, | |
1012 | void *data, | |
1013 | void *userdata) { | |
1014 | ||
c83ecc04 | 1015 | Network *network = userdata; |
8e766630 | 1016 | _cleanup_(route_freep) Route *n = NULL; |
c83ecc04 SS |
1017 | int r; |
1018 | ||
1019 | r = route_new_static(network, filename, section_line, &n); | |
1020 | if (r < 0) | |
1021 | return r; | |
1022 | ||
1023 | if (streq(rvalue, "kernel")) | |
1024 | n->protocol = RTPROT_KERNEL; | |
1025 | else if (streq(rvalue, "boot")) | |
1026 | n->protocol = RTPROT_BOOT; | |
1027 | else if (streq(rvalue, "static")) | |
1028 | n->protocol = RTPROT_STATIC; | |
1029 | else { | |
1030 | r = safe_atou8(rvalue , &n->protocol); | |
1031 | if (r < 0) { | |
1032 | log_syntax(unit, LOG_ERR, filename, line, r, "Could not parse route protocol \"%s\", ignoring assignment: %m", rvalue); | |
1033 | return 0; | |
1034 | } | |
1035 | } | |
1036 | ||
aff44301 | 1037 | TAKE_PTR(n); |
c83ecc04 SS |
1038 | return 0; |
1039 | } | |
983226f3 | 1040 | |
27efb52b YW |
1041 | int config_parse_route_type( |
1042 | const char *unit, | |
1043 | const char *filename, | |
1044 | unsigned line, | |
1045 | const char *section, | |
1046 | unsigned section_line, | |
1047 | const char *lvalue, | |
1048 | int ltype, | |
1049 | const char *rvalue, | |
1050 | void *data, | |
1051 | void *userdata) { | |
1052 | ||
983226f3 | 1053 | Network *network = userdata; |
8e766630 | 1054 | _cleanup_(route_freep) Route *n = NULL; |
983226f3 SS |
1055 | int r; |
1056 | ||
1057 | r = route_new_static(network, filename, section_line, &n); | |
1058 | if (r < 0) | |
1059 | return r; | |
1060 | ||
1061 | if (streq(rvalue, "unicast")) | |
1062 | n->type = RTN_UNICAST; | |
1063 | else if (streq(rvalue, "blackhole")) | |
1064 | n->type = RTN_BLACKHOLE; | |
1065 | else if (streq(rvalue, "unreachable")) | |
1066 | n->type = RTN_UNREACHABLE; | |
1067 | else if (streq(rvalue, "prohibit")) | |
1068 | n->type = RTN_PROHIBIT; | |
1069 | else { | |
1070 | log_syntax(unit, LOG_ERR, filename, line, r, "Could not parse route type \"%s\", ignoring assignment: %m", rvalue); | |
1071 | return 0; | |
1072 | } | |
1073 | ||
aff44301 | 1074 | TAKE_PTR(n); |
983226f3 SS |
1075 | return 0; |
1076 | } | |
323d9329 | 1077 | |
27efb52b YW |
1078 | int config_parse_tcp_window( |
1079 | const char *unit, | |
1080 | const char *filename, | |
1081 | unsigned line, | |
1082 | const char *section, | |
1083 | unsigned section_line, | |
1084 | const char *lvalue, | |
1085 | int ltype, | |
1086 | const char *rvalue, | |
1087 | void *data, | |
1088 | void *userdata) { | |
1089 | ||
8e766630 | 1090 | _cleanup_(route_freep) Route *n = NULL; |
6b21ad33 SS |
1091 | Network *network = userdata; |
1092 | uint64_t k; | |
323d9329 SS |
1093 | int r; |
1094 | ||
1095 | assert(filename); | |
1096 | assert(section); | |
1097 | assert(lvalue); | |
1098 | assert(rvalue); | |
1099 | assert(data); | |
1100 | ||
1101 | r = route_new_static(network, filename, section_line, &n); | |
1102 | if (r < 0) | |
1103 | return r; | |
1104 | ||
6b21ad33 SS |
1105 | r = parse_size(rvalue, 1024, &k); |
1106 | if (r < 0 || k > UINT32_MAX) { | |
323d9329 | 1107 | log_syntax(unit, LOG_ERR, filename, line, r, |
6b21ad33 | 1108 | "Could not parse TCP %s \"%s\" bytes, ignoring assignment: %m", rvalue, lvalue); |
323d9329 SS |
1109 | return 0; |
1110 | } | |
1111 | ||
1112 | if (streq(lvalue, "InitialCongestionWindow")) | |
1113 | n->initcwnd = k; | |
1114 | else if (streq(lvalue, "InitialAdvertisedReceiveWindow")) | |
1115 | n->initrwnd = k; | |
1116 | else { | |
1117 | log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse TCP %s: %s", lvalue, rvalue); | |
1118 | return 0; | |
1119 | } | |
1120 | ||
aff44301 | 1121 | TAKE_PTR(n); |
323d9329 SS |
1122 | return 0; |
1123 | } | |
09f5dfad | 1124 | |
27efb52b YW |
1125 | int config_parse_quickack( |
1126 | const char *unit, | |
1127 | const char *filename, | |
1128 | unsigned line, | |
1129 | const char *section, | |
1130 | unsigned section_line, | |
1131 | const char *lvalue, | |
1132 | int ltype, | |
1133 | const char *rvalue, | |
1134 | void *data, | |
1135 | void *userdata) { | |
1136 | ||
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; | |
aff44301 | 1158 | TAKE_PTR(n); |
09f5dfad SS |
1159 | return 0; |
1160 | } | |
cea79e66 SS |
1161 | |
1162 | int config_parse_route_mtu( | |
1163 | const char *unit, | |
1164 | const char *filename, | |
1165 | unsigned line, | |
1166 | const char *section, | |
1167 | unsigned section_line, | |
1168 | const char *lvalue, | |
1169 | int ltype, | |
1170 | const char *rvalue, | |
1171 | void *data, | |
1172 | void *userdata) { | |
1173 | ||
1174 | Network *network = userdata; | |
1175 | _cleanup_(route_freep) Route *n = NULL; | |
1176 | int r; | |
1177 | ||
1178 | assert(filename); | |
1179 | assert(section); | |
1180 | assert(lvalue); | |
1181 | assert(rvalue); | |
1182 | assert(data); | |
1183 | ||
1184 | r = route_new_static(network, filename, section_line, &n); | |
1185 | if (r < 0) | |
1186 | return r; | |
1187 | ||
1188 | r = config_parse_mtu(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &n->mtu, userdata); | |
1189 | if (r < 0) | |
1190 | return r; | |
1191 | ||
aff44301 | 1192 | TAKE_PTR(n); |
cea79e66 SS |
1193 | return 0; |
1194 | } |