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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
bce67bbe SS |
2 | |
3 | #include <net/if.h> | |
4 | #include <linux/fib_rules.h> | |
5 | ||
43e08c78 | 6 | #include "af-list.h" |
bce67bbe SS |
7 | #include "alloc-util.h" |
8 | #include "conf-parser.h" | |
9 | #include "fileio.h" | |
da96ad5a | 10 | #include "ip-protocol-list.h" |
bce67bbe SS |
11 | #include "networkd-routing-policy-rule.h" |
12 | #include "netlink-util.h" | |
13 | #include "networkd-manager.h" | |
14 | #include "parse-util.h" | |
15 | #include "socket-util.h" | |
16 | #include "string-util.h" | |
51517f9e | 17 | #include "strv.h" |
bce67bbe SS |
18 | |
19 | int routing_policy_rule_new(RoutingPolicyRule **ret) { | |
20 | RoutingPolicyRule *rule; | |
21 | ||
9d66b48c | 22 | rule = new(RoutingPolicyRule, 1); |
bce67bbe SS |
23 | if (!rule) |
24 | return -ENOMEM; | |
25 | ||
9d66b48c | 26 | *rule = (RoutingPolicyRule) { |
9d66b48c YW |
27 | .table = RT_TABLE_MAIN, |
28 | }; | |
bce67bbe SS |
29 | |
30 | *ret = rule; | |
31 | return 0; | |
32 | } | |
33 | ||
34 | void routing_policy_rule_free(RoutingPolicyRule *rule) { | |
35 | ||
36 | if (!rule) | |
37 | return; | |
38 | ||
39 | if (rule->network) { | |
40 | LIST_REMOVE(rules, rule->network->rules, rule); | |
41 | assert(rule->network->n_rules > 0); | |
42 | rule->network->n_rules--; | |
43 | ||
0f7f2769 | 44 | if (rule->section) |
bce67bbe | 45 | hashmap_remove(rule->network->rules_by_section, rule->section); |
36e6e28b SS |
46 | } |
47 | ||
6964cf45 | 48 | if (rule->manager) { |
9ee92e7e YW |
49 | if (set_get(rule->manager->rules, rule) == rule) |
50 | set_remove(rule->manager->rules, rule); | |
51 | if (set_get(rule->manager->rules_foreign, rule) == rule) | |
52 | set_remove(rule->manager->rules_foreign, rule); | |
bce67bbe SS |
53 | } |
54 | ||
0f7f2769 | 55 | network_config_section_free(rule->section); |
762e2659 SS |
56 | free(rule->iif); |
57 | free(rule->oif); | |
bce67bbe SS |
58 | free(rule); |
59 | } | |
60 | ||
7a08d314 | 61 | static void routing_policy_rule_hash_func(const RoutingPolicyRule *rule, struct siphash *state) { |
bce67bbe SS |
62 | assert(rule); |
63 | ||
64 | siphash24_compress(&rule->family, sizeof(rule->family), state); | |
65 | ||
66 | switch (rule->family) { | |
67 | case AF_INET: | |
68 | case AF_INET6: | |
69 | ||
70 | siphash24_compress(&rule->from, FAMILY_ADDRESS_SIZE(rule->family), state); | |
71 | siphash24_compress(&rule->from_prefixlen, sizeof(rule->from_prefixlen), state); | |
72 | ||
73 | siphash24_compress(&rule->to, FAMILY_ADDRESS_SIZE(rule->family), state); | |
74 | siphash24_compress(&rule->to_prefixlen, sizeof(rule->to_prefixlen), state); | |
75 | ||
b80a511b YW |
76 | siphash24_compress_boolean(rule->invert_rule, state); |
77 | ||
bce67bbe SS |
78 | siphash24_compress(&rule->tos, sizeof(rule->tos), state); |
79 | siphash24_compress(&rule->fwmark, sizeof(rule->fwmark), state); | |
b80a511b YW |
80 | siphash24_compress(&rule->fwmask, sizeof(rule->fwmask), state); |
81 | siphash24_compress(&rule->priority, sizeof(rule->priority), state); | |
bce67bbe SS |
82 | siphash24_compress(&rule->table, sizeof(rule->table), state); |
83 | ||
926062f0 SS |
84 | siphash24_compress(&rule->protocol, sizeof(rule->protocol), state); |
85 | siphash24_compress(&rule->sport, sizeof(rule->sport), state); | |
86 | siphash24_compress(&rule->dport, sizeof(rule->dport), state); | |
87 | ||
762e2659 | 88 | if (rule->iif) |
0d7febd0 | 89 | siphash24_compress(rule->iif, strlen(rule->iif), state); |
762e2659 SS |
90 | |
91 | if (rule->oif) | |
0d7febd0 | 92 | siphash24_compress(rule->oif, strlen(rule->oif), state); |
762e2659 | 93 | |
bce67bbe SS |
94 | break; |
95 | default: | |
96 | /* treat any other address family as AF_UNSPEC */ | |
97 | break; | |
98 | } | |
99 | } | |
100 | ||
7a08d314 | 101 | static int routing_policy_rule_compare_func(const RoutingPolicyRule *a, const RoutingPolicyRule *b) { |
bce67bbe SS |
102 | int r; |
103 | ||
a0edd02e FB |
104 | r = CMP(a->family, b->family); |
105 | if (r != 0) | |
106 | return r; | |
bce67bbe SS |
107 | |
108 | switch (a->family) { | |
109 | case AF_INET: | |
110 | case AF_INET6: | |
a0edd02e FB |
111 | r = CMP(a->from_prefixlen, b->from_prefixlen); |
112 | if (r != 0) | |
113 | return r; | |
114 | ||
115 | r = CMP(a->to_prefixlen, b->to_prefixlen); | |
116 | if (r != 0) | |
117 | return r; | |
118 | ||
b80a511b YW |
119 | r = CMP(a->invert_rule, b->invert_rule); |
120 | if (r != 0) | |
121 | return r; | |
122 | ||
a0edd02e FB |
123 | r = CMP(a->tos, b->tos); |
124 | if (r != 0) | |
125 | return r; | |
126 | ||
b80a511b YW |
127 | r = CMP(a->fwmark, b->fwmark); |
128 | if (r != 0) | |
129 | return r; | |
130 | ||
a0edd02e FB |
131 | r = CMP(a->fwmask, b->fwmask); |
132 | if (r != 0) | |
133 | return r; | |
134 | ||
b80a511b YW |
135 | r = CMP(a->priority, b->priority); |
136 | if (r != 0) | |
137 | return r; | |
138 | ||
a0edd02e FB |
139 | r = CMP(a->table, b->table); |
140 | if (r != 0) | |
141 | return r; | |
bce67bbe | 142 | |
762e2659 SS |
143 | r = strcmp_ptr(a->iif, b->iif); |
144 | if (!r) | |
145 | return r; | |
146 | ||
147 | r = strcmp_ptr(a->oif, b->oif); | |
148 | if (!r) | |
149 | return r; | |
150 | ||
926062f0 SS |
151 | r = CMP(a->protocol, b->protocol); |
152 | if (r != 0) | |
153 | return r; | |
154 | ||
155 | r = memcmp(&a->sport, &b->sport, sizeof(a->sport)); | |
156 | if (r != 0) | |
157 | return r; | |
158 | ||
159 | r = memcmp(&a->dport, &b->dport, sizeof(a->dport)); | |
160 | if (r != 0) | |
161 | return r; | |
162 | ||
bce67bbe SS |
163 | r = memcmp(&a->from, &b->from, FAMILY_ADDRESS_SIZE(a->family)); |
164 | if (r != 0) | |
165 | return r; | |
166 | ||
167 | return memcmp(&a->to, &b->to, FAMILY_ADDRESS_SIZE(a->family)); | |
168 | ||
169 | default: | |
170 | /* treat any other address family as AF_UNSPEC */ | |
171 | return 0; | |
172 | } | |
173 | } | |
174 | ||
7a08d314 | 175 | DEFINE_PRIVATE_HASH_OPS(routing_policy_rule_hash_ops, RoutingPolicyRule, routing_policy_rule_hash_func, routing_policy_rule_compare_func); |
bce67bbe | 176 | |
b80a511b | 177 | int routing_policy_rule_get(Manager *m, RoutingPolicyRule *rule, RoutingPolicyRule **ret) { |
bce67bbe | 178 | |
b80a511b | 179 | RoutingPolicyRule *existing; |
bce67bbe | 180 | |
b80a511b | 181 | assert(m); |
bce67bbe | 182 | |
b80a511b | 183 | existing = set_get(m->rules, rule); |
b87dadcd ZJS |
184 | if (existing) { |
185 | if (ret) | |
186 | *ret = existing; | |
187 | return 1; | |
bce67bbe SS |
188 | } |
189 | ||
b80a511b | 190 | existing = set_get(m->rules_foreign, rule); |
b87dadcd ZJS |
191 | if (existing) { |
192 | if (ret) | |
193 | *ret = existing; | |
e6b65ab7 | 194 | return 0; |
bce67bbe SS |
195 | } |
196 | ||
197 | return -ENOENT; | |
198 | } | |
199 | ||
200 | int routing_policy_rule_make_local(Manager *m, RoutingPolicyRule *rule) { | |
201 | int r; | |
202 | ||
203 | assert(m); | |
204 | ||
205 | if (set_contains(m->rules_foreign, rule)) { | |
206 | set_remove(m->rules_foreign, rule); | |
207 | ||
208 | r = set_ensure_allocated(&m->rules, &routing_policy_rule_hash_ops); | |
209 | if (r < 0) | |
210 | return r; | |
211 | ||
75a302b5 YW |
212 | r = set_put(m->rules, rule); |
213 | if (r < 0) | |
214 | return r; | |
215 | if (r == 0) | |
216 | routing_policy_rule_free(rule); | |
bce67bbe SS |
217 | } |
218 | ||
219 | return -ENOENT; | |
220 | } | |
221 | ||
b80a511b | 222 | static int routing_policy_rule_add_internal(Manager *m, Set **rules, RoutingPolicyRule *in, RoutingPolicyRule **ret) { |
8e766630 | 223 | _cleanup_(routing_policy_rule_freep) RoutingPolicyRule *rule = NULL; |
eeab051b | 224 | _cleanup_free_ char *iif = NULL, *oif = NULL; |
bce67bbe SS |
225 | int r; |
226 | ||
b80a511b YW |
227 | assert(m); |
228 | assert(rules); | |
229 | assert(in); | |
bce67bbe | 230 | |
b80a511b YW |
231 | if (in->iif) { |
232 | iif = strdup(in->iif); | |
eeab051b YW |
233 | if (!iif) |
234 | return -ENOMEM; | |
235 | } | |
236 | ||
b80a511b YW |
237 | if (in->oif) { |
238 | oif = strdup(in->oif); | |
eeab051b YW |
239 | if (!oif) |
240 | return -ENOMEM; | |
241 | } | |
242 | ||
bce67bbe SS |
243 | r = routing_policy_rule_new(&rule); |
244 | if (r < 0) | |
245 | return r; | |
246 | ||
6964cf45 | 247 | rule->manager = m; |
b80a511b YW |
248 | rule->family = in->family; |
249 | rule->from = in->from; | |
250 | rule->from_prefixlen = in->from_prefixlen; | |
251 | rule->to = in->to; | |
252 | rule->to_prefixlen = in->to_prefixlen; | |
253 | rule->invert_rule = in->invert_rule; | |
254 | rule->tos = in->tos; | |
255 | rule->fwmark = in->fwmark; | |
256 | rule->fwmask = in->fwmask; | |
257 | rule->priority = in->priority; | |
258 | rule->table = in->table; | |
d26267dd YW |
259 | rule->iif = TAKE_PTR(iif); |
260 | rule->oif = TAKE_PTR(oif); | |
b80a511b YW |
261 | rule->protocol = in->protocol; |
262 | rule->sport = in->sport; | |
263 | rule->dport = in->dport; | |
bce67bbe SS |
264 | |
265 | r = set_ensure_allocated(rules, &routing_policy_rule_hash_ops); | |
266 | if (r < 0) | |
267 | return r; | |
268 | ||
269 | r = set_put(*rules, rule); | |
270 | if (r < 0) | |
271 | return r; | |
75a302b5 YW |
272 | if (r == 0) |
273 | return -EEXIST; | |
bce67bbe SS |
274 | |
275 | if (ret) | |
276 | *ret = rule; | |
277 | ||
d26267dd | 278 | TAKE_PTR(rule); |
bce67bbe SS |
279 | return 0; |
280 | } | |
281 | ||
b80a511b YW |
282 | static int routing_policy_rule_add(Manager *m, RoutingPolicyRule *rule, RoutingPolicyRule **ret) { |
283 | return routing_policy_rule_add_internal(m, &m->rules, rule, ret); | |
bce67bbe SS |
284 | } |
285 | ||
b80a511b YW |
286 | int routing_policy_rule_add_foreign(Manager *m, RoutingPolicyRule *rule, RoutingPolicyRule **ret) { |
287 | return routing_policy_rule_add_internal(m, &m->rules_foreign, rule, ret); | |
bce67bbe SS |
288 | } |
289 | ||
302a796f | 290 | static int routing_policy_rule_remove_handler(sd_netlink *rtnl, sd_netlink_message *m, Link *link) { |
bce67bbe SS |
291 | int r; |
292 | ||
293 | assert(m); | |
294 | assert(link); | |
295 | assert(link->ifname); | |
296 | ||
7715629e | 297 | link->routing_policy_rule_remove_messages--; |
bce67bbe SS |
298 | |
299 | if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER)) | |
300 | return 1; | |
301 | ||
302 | r = sd_netlink_message_get_errno(m); | |
303 | if (r < 0) | |
304 | log_link_warning_errno(link, r, "Could not drop routing policy rule: %m"); | |
305 | ||
306 | return 1; | |
307 | } | |
308 | ||
302a796f | 309 | int routing_policy_rule_remove(RoutingPolicyRule *routing_policy_rule, Link *link, link_netlink_message_handler_t callback) { |
bce67bbe SS |
310 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL; |
311 | int r; | |
312 | ||
313 | assert(routing_policy_rule); | |
314 | assert(link); | |
315 | assert(link->manager); | |
316 | assert(link->manager->rtnl); | |
317 | assert(link->ifindex > 0); | |
318 | assert(IN_SET(routing_policy_rule->family, AF_INET, AF_INET6)); | |
319 | ||
320 | r = sd_rtnl_message_new_routing_policy_rule(link->manager->rtnl, &m, RTM_DELRULE, routing_policy_rule->family); | |
321 | if (r < 0) | |
322 | return log_error_errno(r, "Could not allocate RTM_DELRULE message: %m"); | |
323 | ||
d40b01e4 | 324 | if (in_addr_is_null(routing_policy_rule->family, &routing_policy_rule->from) == 0) { |
43409486 | 325 | r = netlink_message_append_in_addr_union(m, FRA_SRC, routing_policy_rule->family, &routing_policy_rule->from); |
bce67bbe SS |
326 | if (r < 0) |
327 | return log_error_errno(r, "Could not append FRA_SRC attribute: %m"); | |
328 | ||
329 | r = sd_rtnl_message_routing_policy_rule_set_rtm_src_prefixlen(m, routing_policy_rule->from_prefixlen); | |
330 | if (r < 0) | |
331 | return log_error_errno(r, "Could not set source prefix length: %m"); | |
332 | } | |
333 | ||
d40b01e4 | 334 | if (in_addr_is_null(routing_policy_rule->family, &routing_policy_rule->to) == 0) { |
43409486 | 335 | r = netlink_message_append_in_addr_union(m, FRA_DST, routing_policy_rule->family, &routing_policy_rule->to); |
bce67bbe SS |
336 | if (r < 0) |
337 | return log_error_errno(r, "Could not append FRA_DST attribute: %m"); | |
338 | ||
339 | r = sd_rtnl_message_routing_policy_rule_set_rtm_dst_prefixlen(m, routing_policy_rule->to_prefixlen); | |
340 | if (r < 0) | |
341 | return log_error_errno(r, "Could not set destination prefix length: %m"); | |
342 | } | |
343 | ||
302a796f YW |
344 | r = netlink_call_async(link->manager->rtnl, NULL, m, |
345 | callback ?: routing_policy_rule_remove_handler, | |
346 | link_netlink_destroy_callback, link); | |
bce67bbe SS |
347 | if (r < 0) |
348 | return log_error_errno(r, "Could not send rtnetlink message: %m"); | |
349 | ||
350 | link_ref(link); | |
351 | ||
352 | return 0; | |
353 | } | |
354 | ||
355 | static int routing_policy_rule_new_static(Network *network, const char *filename, unsigned section_line, RoutingPolicyRule **ret) { | |
8e766630 LP |
356 | _cleanup_(routing_policy_rule_freep) RoutingPolicyRule *rule = NULL; |
357 | _cleanup_(network_config_section_freep) NetworkConfigSection *n = NULL; | |
bce67bbe SS |
358 | int r; |
359 | ||
360 | assert(network); | |
361 | assert(ret); | |
362 | assert(!!filename == (section_line > 0)); | |
363 | ||
0f7f2769 YW |
364 | if (filename) { |
365 | r = network_config_section_new(filename, section_line, &n); | |
366 | if (r < 0) | |
367 | return r; | |
bce67bbe | 368 | |
0f7f2769 YW |
369 | rule = hashmap_get(network->rules_by_section, n); |
370 | if (rule) { | |
371 | *ret = TAKE_PTR(rule); | |
bce67bbe | 372 | |
0f7f2769 YW |
373 | return 0; |
374 | } | |
bce67bbe SS |
375 | } |
376 | ||
377 | r = routing_policy_rule_new(&rule); | |
378 | if (r < 0) | |
379 | return r; | |
380 | ||
bce67bbe | 381 | rule->network = network; |
bce67bbe SS |
382 | LIST_APPEND(rules, network->rules, rule); |
383 | network->n_rules++; | |
384 | ||
0f7f2769 YW |
385 | if (filename) { |
386 | rule->section = TAKE_PTR(n); | |
387 | ||
3e570042 YW |
388 | r = hashmap_ensure_allocated(&network->rules_by_section, &network_config_hash_ops); |
389 | if (r < 0) | |
390 | return r; | |
391 | ||
0f7f2769 YW |
392 | r = hashmap_put(network->rules_by_section, rule->section, rule); |
393 | if (r < 0) | |
394 | return r; | |
395 | } | |
396 | ||
1cc6c93a | 397 | *ret = TAKE_PTR(rule); |
bce67bbe SS |
398 | |
399 | return 0; | |
400 | } | |
401 | ||
302a796f | 402 | static int routing_policy_rule_handler(sd_netlink *rtnl, sd_netlink_message *m, Link *link) { |
bce67bbe SS |
403 | int r; |
404 | ||
405 | assert(rtnl); | |
406 | assert(m); | |
407 | assert(link); | |
408 | assert(link->ifname); | |
7715629e | 409 | assert(link->routing_policy_rule_messages > 0); |
bce67bbe | 410 | |
7715629e | 411 | link->routing_policy_rule_messages--; |
bce67bbe SS |
412 | |
413 | if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER)) | |
414 | return 1; | |
415 | ||
416 | r = sd_netlink_message_get_errno(m); | |
4ff296b0 | 417 | if (r < 0 && r != -EEXIST) { |
bce67bbe | 418 | log_link_warning_errno(link, r, "Could not add routing policy rule: %m"); |
4ff296b0 YW |
419 | link_enter_failed(link); |
420 | return 1; | |
421 | } | |
bce67bbe | 422 | |
7715629e | 423 | if (link->routing_policy_rule_messages == 0) { |
bce67bbe | 424 | log_link_debug(link, "Routing policy rule configured"); |
7715629e ST |
425 | link->routing_policy_rules_configured = true; |
426 | link_check_ready(link); | |
427 | } | |
bce67bbe SS |
428 | |
429 | return 1; | |
430 | } | |
431 | ||
9f08a578 | 432 | int routing_policy_rule_configure(RoutingPolicyRule *rule, Link *link, link_netlink_message_handler_t callback) { |
bce67bbe SS |
433 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL; |
434 | int r; | |
435 | ||
436 | assert(rule); | |
437 | assert(link); | |
438 | assert(link->ifindex > 0); | |
439 | assert(link->manager); | |
440 | assert(link->manager->rtnl); | |
441 | ||
bafa9641 | 442 | if (rule->family == AF_INET6 && link_sysctl_ipv6_enabled(link) == 0) { |
7ef7e550 YW |
443 | log_link_warning(link, "An IPv6 routing policy rule is requested, but IPv6 is disabled by sysctl, ignoring."); |
444 | return 0; | |
445 | } | |
446 | ||
bce67bbe SS |
447 | r = sd_rtnl_message_new_routing_policy_rule(link->manager->rtnl, &m, RTM_NEWRULE, rule->family); |
448 | if (r < 0) | |
449 | return log_error_errno(r, "Could not allocate RTM_NEWRULE message: %m"); | |
450 | ||
d40b01e4 | 451 | if (in_addr_is_null(rule->family, &rule->from) == 0) { |
43409486 | 452 | r = netlink_message_append_in_addr_union(m, FRA_SRC, rule->family, &rule->from); |
bce67bbe SS |
453 | if (r < 0) |
454 | return log_error_errno(r, "Could not append FRA_SRC attribute: %m"); | |
455 | ||
456 | r = sd_rtnl_message_routing_policy_rule_set_rtm_src_prefixlen(m, rule->from_prefixlen); | |
457 | if (r < 0) | |
458 | return log_error_errno(r, "Could not set source prefix length: %m"); | |
459 | } | |
460 | ||
d40b01e4 | 461 | if (in_addr_is_null(rule->family, &rule->to) == 0) { |
43409486 | 462 | r = netlink_message_append_in_addr_union(m, FRA_DST, rule->family, &rule->to); |
bce67bbe SS |
463 | if (r < 0) |
464 | return log_error_errno(r, "Could not append FRA_DST attribute: %m"); | |
465 | ||
466 | r = sd_rtnl_message_routing_policy_rule_set_rtm_dst_prefixlen(m, rule->to_prefixlen); | |
467 | if (r < 0) | |
468 | return log_error_errno(r, "Could not set destination prefix length: %m"); | |
469 | } | |
470 | ||
471 | r = sd_netlink_message_append_u32(m, FRA_PRIORITY, rule->priority); | |
472 | if (r < 0) | |
473 | return log_error_errno(r, "Could not append FRA_PRIORITY attribute: %m"); | |
474 | ||
475 | if (rule->tos > 0) { | |
476 | r = sd_rtnl_message_routing_policy_rule_set_tos(m, rule->tos); | |
477 | if (r < 0) | |
478 | return log_error_errno(r, "Could not set ip rule tos: %m"); | |
479 | } | |
480 | ||
481 | if (rule->table < 256) { | |
482 | r = sd_rtnl_message_routing_policy_rule_set_table(m, rule->table); | |
483 | if (r < 0) | |
484 | return log_error_errno(r, "Could not set ip rule table: %m"); | |
485 | } else { | |
486 | r = sd_rtnl_message_routing_policy_rule_set_table(m, RT_TABLE_UNSPEC); | |
487 | if (r < 0) | |
488 | return log_error_errno(r, "Could not set ip rule table: %m"); | |
489 | ||
490 | r = sd_netlink_message_append_u32(m, FRA_TABLE, rule->table); | |
491 | if (r < 0) | |
492 | return log_error_errno(r, "Could not append FRA_TABLE attribute: %m"); | |
493 | } | |
494 | ||
495 | if (rule->fwmark > 0) { | |
496 | r = sd_netlink_message_append_u32(m, FRA_FWMARK, rule->fwmark); | |
497 | if (r < 0) | |
498 | return log_error_errno(r, "Could not append FRA_FWMARK attribute: %m"); | |
499 | } | |
500 | ||
501 | if (rule->fwmask > 0) { | |
502 | r = sd_netlink_message_append_u32(m, FRA_FWMASK, rule->fwmask); | |
503 | if (r < 0) | |
504 | return log_error_errno(r, "Could not append FRA_FWMASK attribute: %m"); | |
505 | } | |
506 | ||
762e2659 SS |
507 | if (rule->iif) { |
508 | r = sd_netlink_message_append_string(m, FRA_IFNAME, rule->iif); | |
509 | if (r < 0) | |
510 | return log_error_errno(r, "Could not append FRA_IFNAME attribute: %m"); | |
511 | } | |
512 | ||
513 | if (rule->oif) { | |
514 | r = sd_netlink_message_append_string(m, FRA_OIFNAME, rule->oif); | |
515 | if (r < 0) | |
516 | return log_error_errno(r, "Could not append FRA_OIFNAME attribute: %m"); | |
517 | } | |
518 | ||
926062f0 SS |
519 | r = sd_netlink_message_append_u8(m, FRA_IP_PROTO, rule->protocol); |
520 | if (r < 0) | |
521 | return log_error_errno(r, "Could not append FRA_IP_PROTO attribute: %m"); | |
522 | ||
523 | if (rule->sport.start != 0 || rule->sport.end != 0) { | |
524 | r = sd_netlink_message_append_data(m, FRA_SPORT_RANGE, &rule->sport, sizeof(rule->sport)); | |
525 | if (r < 0) | |
526 | return log_error_errno(r, "Could not append FRA_SPORT_RANGE attribute: %m"); | |
527 | } | |
528 | ||
529 | if (rule->dport.start != 0 || rule->dport.end != 0) { | |
530 | r = sd_netlink_message_append_data(m, FRA_DPORT_RANGE, &rule->dport, sizeof(rule->dport)); | |
531 | if (r < 0) | |
532 | return log_error_errno(r, "Could not append FRA_DPORT_RANGE attribute: %m"); | |
533 | } | |
534 | ||
8b220643 SS |
535 | if (rule->invert_rule) { |
536 | r = sd_rtnl_message_routing_policy_rule_set_flags(m, FIB_RULE_INVERT); | |
537 | if (r < 0) | |
538 | return log_error_errno(r, "Could not append FIB_RULE_INVERT attribute: %m"); | |
539 | } | |
540 | ||
bce67bbe SS |
541 | rule->link = link; |
542 | ||
302a796f YW |
543 | r = netlink_call_async(link->manager->rtnl, NULL, m, |
544 | callback ?: routing_policy_rule_handler, | |
545 | link_netlink_destroy_callback, link); | |
bce67bbe SS |
546 | if (r < 0) |
547 | return log_error_errno(r, "Could not send rtnetlink message: %m"); | |
548 | ||
549 | link_ref(link); | |
550 | ||
b80a511b | 551 | r = routing_policy_rule_add(link->manager, rule, NULL); |
bce67bbe | 552 | if (r < 0) |
cb700a11 | 553 | return log_error_errno(r, "Could not add rule: %m"); |
bce67bbe | 554 | |
7ef7e550 | 555 | return 1; |
bce67bbe SS |
556 | } |
557 | ||
0aabccc8 YW |
558 | int routing_policy_rule_section_verify(RoutingPolicyRule *rule) { |
559 | if (section_is_invalid(rule->section)) | |
560 | return -EINVAL; | |
561 | ||
562 | if (rule->family == AF_UNSPEC) | |
563 | rule->family = AF_INET; | |
564 | ||
565 | return 0; | |
566 | } | |
567 | ||
bce67bbe SS |
568 | static int parse_fwmark_fwmask(const char *s, uint32_t *fwmark, uint32_t *fwmask) { |
569 | _cleanup_free_ char *f = NULL; | |
570 | char *p; | |
571 | int r; | |
572 | ||
573 | assert(s); | |
574 | ||
575 | f = strdup(s); | |
576 | if (!f) | |
577 | return -ENOMEM; | |
578 | ||
579 | p = strchr(f, '/'); | |
580 | if (p) | |
581 | *p++ = '\0'; | |
582 | ||
583 | r = safe_atou32(f, fwmark); | |
584 | if (r < 0) | |
585 | return log_error_errno(r, "Failed to parse RPDB rule firewall mark, ignoring: %s", f); | |
586 | ||
587 | if (p) { | |
588 | r = safe_atou32(p, fwmask); | |
589 | if (r < 0) | |
590 | return log_error_errno(r, "Failed to parse RPDB rule mask, ignoring: %s", f); | |
591 | } | |
592 | ||
593 | return 0; | |
594 | } | |
595 | ||
596 | int config_parse_routing_policy_rule_tos( | |
597 | const char *unit, | |
598 | const char *filename, | |
599 | unsigned line, | |
600 | const char *section, | |
601 | unsigned section_line, | |
602 | const char *lvalue, | |
603 | int ltype, | |
604 | const char *rvalue, | |
605 | void *data, | |
606 | void *userdata) { | |
607 | ||
fcbf4cb7 | 608 | _cleanup_(routing_policy_rule_free_or_set_invalidp) RoutingPolicyRule *n = NULL; |
bce67bbe SS |
609 | Network *network = userdata; |
610 | int r; | |
611 | ||
612 | assert(filename); | |
613 | assert(section); | |
614 | assert(lvalue); | |
615 | assert(rvalue); | |
616 | assert(data); | |
617 | ||
618 | r = routing_policy_rule_new_static(network, filename, section_line, &n); | |
619 | if (r < 0) | |
620 | return r; | |
621 | ||
622 | r = safe_atou8(rvalue, &n->tos); | |
623 | if (r < 0) { | |
624 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse RPDB rule tos, ignoring: %s", rvalue); | |
625 | return 0; | |
626 | } | |
627 | ||
628 | n = NULL; | |
629 | ||
630 | return 0; | |
631 | } | |
632 | ||
633 | int config_parse_routing_policy_rule_priority( | |
634 | const char *unit, | |
635 | const char *filename, | |
636 | unsigned line, | |
637 | const char *section, | |
638 | unsigned section_line, | |
639 | const char *lvalue, | |
640 | int ltype, | |
641 | const char *rvalue, | |
642 | void *data, | |
643 | void *userdata) { | |
644 | ||
fcbf4cb7 | 645 | _cleanup_(routing_policy_rule_free_or_set_invalidp) RoutingPolicyRule *n = NULL; |
bce67bbe SS |
646 | Network *network = userdata; |
647 | int r; | |
648 | ||
649 | assert(filename); | |
650 | assert(section); | |
651 | assert(lvalue); | |
652 | assert(rvalue); | |
653 | assert(data); | |
654 | ||
655 | r = routing_policy_rule_new_static(network, filename, section_line, &n); | |
656 | if (r < 0) | |
657 | return r; | |
658 | ||
659 | r = safe_atou32(rvalue, &n->priority); | |
660 | if (r < 0) { | |
661 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse RPDB rule priority, ignoring: %s", rvalue); | |
662 | return 0; | |
663 | } | |
664 | ||
665 | n = NULL; | |
666 | ||
667 | return 0; | |
668 | } | |
669 | ||
670 | int config_parse_routing_policy_rule_table( | |
671 | const char *unit, | |
672 | const char *filename, | |
673 | unsigned line, | |
674 | const char *section, | |
675 | unsigned section_line, | |
676 | const char *lvalue, | |
677 | int ltype, | |
678 | const char *rvalue, | |
679 | void *data, | |
680 | void *userdata) { | |
681 | ||
fcbf4cb7 | 682 | _cleanup_(routing_policy_rule_free_or_set_invalidp) RoutingPolicyRule *n = NULL; |
bce67bbe SS |
683 | Network *network = userdata; |
684 | int r; | |
685 | ||
686 | assert(filename); | |
687 | assert(section); | |
688 | assert(lvalue); | |
689 | assert(rvalue); | |
690 | assert(data); | |
691 | ||
692 | r = routing_policy_rule_new_static(network, filename, section_line, &n); | |
693 | if (r < 0) | |
694 | return r; | |
695 | ||
696 | r = safe_atou32(rvalue, &n->table); | |
697 | if (r < 0) { | |
698 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse RPDB rule table, ignoring: %s", rvalue); | |
699 | return 0; | |
700 | } | |
701 | ||
702 | n = NULL; | |
703 | ||
704 | return 0; | |
705 | } | |
706 | ||
707 | int config_parse_routing_policy_rule_fwmark_mask( | |
708 | const char *unit, | |
709 | const char *filename, | |
710 | unsigned line, | |
711 | const char *section, | |
712 | unsigned section_line, | |
713 | const char *lvalue, | |
714 | int ltype, | |
715 | const char *rvalue, | |
716 | void *data, | |
717 | void *userdata) { | |
718 | ||
fcbf4cb7 | 719 | _cleanup_(routing_policy_rule_free_or_set_invalidp) RoutingPolicyRule *n = NULL; |
bce67bbe SS |
720 | Network *network = userdata; |
721 | int r; | |
722 | ||
723 | assert(filename); | |
724 | assert(section); | |
725 | assert(lvalue); | |
726 | assert(rvalue); | |
727 | assert(data); | |
728 | ||
729 | r = routing_policy_rule_new_static(network, filename, section_line, &n); | |
730 | if (r < 0) | |
731 | return r; | |
732 | ||
733 | r = parse_fwmark_fwmask(rvalue, &n->fwmark, &n->fwmask); | |
734 | if (r < 0) { | |
735 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse RPDB rule firewall mark or mask, ignoring: %s", rvalue); | |
736 | return 0; | |
737 | } | |
738 | ||
739 | n = NULL; | |
740 | ||
741 | return 0; | |
742 | } | |
743 | ||
744 | int config_parse_routing_policy_rule_prefix( | |
745 | const char *unit, | |
746 | const char *filename, | |
747 | unsigned line, | |
748 | const char *section, | |
749 | unsigned section_line, | |
750 | const char *lvalue, | |
751 | int ltype, | |
752 | const char *rvalue, | |
753 | void *data, | |
754 | void *userdata) { | |
755 | ||
fcbf4cb7 | 756 | _cleanup_(routing_policy_rule_free_or_set_invalidp) RoutingPolicyRule *n = NULL; |
bce67bbe | 757 | Network *network = userdata; |
7934dede YW |
758 | union in_addr_union *buffer; |
759 | uint8_t *prefixlen; | |
bce67bbe SS |
760 | int r; |
761 | ||
762 | assert(filename); | |
763 | assert(section); | |
764 | assert(lvalue); | |
765 | assert(rvalue); | |
766 | assert(data); | |
767 | ||
768 | r = routing_policy_rule_new_static(network, filename, section_line, &n); | |
769 | if (r < 0) | |
770 | return r; | |
771 | ||
bce67bbe | 772 | if (streq(lvalue, "To")) { |
7934dede YW |
773 | buffer = &n->to; |
774 | prefixlen = &n->to_prefixlen; | |
bce67bbe | 775 | } else { |
7934dede YW |
776 | buffer = &n->from; |
777 | prefixlen = &n->from_prefixlen; | |
778 | } | |
779 | ||
0aabccc8 YW |
780 | if (n->family == AF_UNSPEC) |
781 | r = in_addr_prefix_from_string_auto(rvalue, &n->family, buffer, prefixlen); | |
782 | else | |
783 | r = in_addr_prefix_from_string(rvalue, n->family, buffer, prefixlen); | |
7934dede YW |
784 | if (r < 0) { |
785 | log_syntax(unit, LOG_ERR, filename, line, r, "RPDB rule prefix is invalid, ignoring assignment: %s", rvalue); | |
786 | return 0; | |
bce67bbe SS |
787 | } |
788 | ||
789 | n = NULL; | |
790 | ||
791 | return 0; | |
792 | } | |
793 | ||
762e2659 SS |
794 | int config_parse_routing_policy_rule_device( |
795 | const char *unit, | |
796 | const char *filename, | |
797 | unsigned line, | |
798 | const char *section, | |
799 | unsigned section_line, | |
800 | const char *lvalue, | |
801 | int ltype, | |
802 | const char *rvalue, | |
803 | void *data, | |
804 | void *userdata) { | |
805 | ||
fcbf4cb7 | 806 | _cleanup_(routing_policy_rule_free_or_set_invalidp) RoutingPolicyRule *n = NULL; |
762e2659 SS |
807 | Network *network = userdata; |
808 | int r; | |
809 | ||
810 | assert(filename); | |
811 | assert(section); | |
812 | assert(lvalue); | |
813 | assert(rvalue); | |
814 | assert(data); | |
815 | ||
816 | r = routing_policy_rule_new_static(network, filename, section_line, &n); | |
817 | if (r < 0) | |
818 | return r; | |
819 | ||
820 | if (!ifname_valid(rvalue)) { | |
821 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse '%s' interface name, ignoring: %s", lvalue, rvalue); | |
822 | return 0; | |
823 | } | |
824 | ||
825 | if (streq(lvalue, "IncomingInterface")) { | |
826 | r = free_and_strdup(&n->iif, rvalue); | |
827 | if (r < 0) | |
828 | return log_oom(); | |
829 | } else { | |
830 | r = free_and_strdup(&n->oif, rvalue); | |
831 | if (r < 0) | |
832 | return log_oom(); | |
833 | } | |
834 | ||
835 | n = NULL; | |
836 | ||
837 | return 0; | |
838 | } | |
839 | ||
926062f0 SS |
840 | int config_parse_routing_policy_rule_port_range( |
841 | const char *unit, | |
842 | const char *filename, | |
843 | unsigned line, | |
844 | const char *section, | |
845 | unsigned section_line, | |
846 | const char *lvalue, | |
847 | int ltype, | |
848 | const char *rvalue, | |
849 | void *data, | |
850 | void *userdata) { | |
fcbf4cb7 | 851 | _cleanup_(routing_policy_rule_free_or_set_invalidp) RoutingPolicyRule *n = NULL; |
926062f0 SS |
852 | Network *network = userdata; |
853 | uint16_t low, high; | |
854 | int r; | |
855 | ||
856 | assert(filename); | |
857 | assert(section); | |
858 | assert(lvalue); | |
859 | assert(rvalue); | |
860 | assert(data); | |
861 | ||
862 | r = routing_policy_rule_new_static(network, filename, section_line, &n); | |
863 | if (r < 0) | |
864 | return r; | |
865 | ||
866 | r = parse_ip_port_range(rvalue, &low, &high); | |
867 | if (r < 0) { | |
868 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse routing policy rule port range '%s'", rvalue); | |
869 | return 0; | |
870 | } | |
871 | ||
872 | if (streq(lvalue, "SourcePort")) { | |
873 | n->sport.start = low; | |
874 | n->sport.end = high; | |
875 | } else { | |
876 | n->dport.start = low; | |
877 | n->dport.end = high; | |
878 | } | |
879 | ||
880 | n = NULL; | |
881 | ||
882 | return 0; | |
883 | } | |
884 | ||
97f9df9e | 885 | int config_parse_routing_policy_rule_ip_protocol( |
926062f0 SS |
886 | const char *unit, |
887 | const char *filename, | |
888 | unsigned line, | |
889 | const char *section, | |
890 | unsigned section_line, | |
891 | const char *lvalue, | |
892 | int ltype, | |
893 | const char *rvalue, | |
894 | void *data, | |
895 | void *userdata) { | |
896 | ||
fcbf4cb7 | 897 | _cleanup_(routing_policy_rule_free_or_set_invalidp) RoutingPolicyRule *n = NULL; |
926062f0 SS |
898 | Network *network = userdata; |
899 | int r; | |
900 | ||
901 | assert(filename); | |
902 | assert(section); | |
903 | assert(lvalue); | |
904 | assert(rvalue); | |
905 | assert(data); | |
906 | ||
907 | r = routing_policy_rule_new_static(network, filename, section_line, &n); | |
908 | if (r < 0) | |
909 | return r; | |
910 | ||
3a269dcf | 911 | r = parse_ip_protocol(rvalue); |
926062f0 | 912 | if (r < 0) { |
3a269dcf | 913 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse IP protocol '%s' for routing policy rule, ignoring: %m", rvalue); |
926062f0 SS |
914 | return 0; |
915 | } | |
916 | ||
917 | n->protocol = r; | |
918 | ||
919 | n = NULL; | |
920 | ||
921 | return 0; | |
922 | } | |
923 | ||
8b220643 SS |
924 | int config_parse_routing_policy_rule_invert( |
925 | const char *unit, | |
926 | const char *filename, | |
927 | unsigned line, | |
928 | const char *section, | |
929 | unsigned section_line, | |
930 | const char *lvalue, | |
931 | int ltype, | |
932 | const char *rvalue, | |
933 | void *data, | |
934 | void *userdata) { | |
935 | ||
fcbf4cb7 | 936 | _cleanup_(routing_policy_rule_free_or_set_invalidp) RoutingPolicyRule *n = NULL; |
8b220643 SS |
937 | Network *network = userdata; |
938 | int r; | |
939 | ||
940 | assert(filename); | |
941 | assert(section); | |
942 | assert(lvalue); | |
943 | assert(rvalue); | |
944 | assert(data); | |
945 | ||
946 | r = routing_policy_rule_new_static(network, filename, section_line, &n); | |
947 | if (r < 0) | |
948 | return r; | |
949 | ||
950 | r = parse_boolean(rvalue); | |
951 | if (r < 0) { | |
952 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse RPDB rule invert, ignoring: %s", rvalue); | |
953 | return 0; | |
954 | } | |
955 | ||
956 | n->invert_rule = r; | |
957 | ||
958 | n = NULL; | |
959 | ||
960 | return 0; | |
961 | } | |
962 | ||
458d8ae3 | 963 | static int routing_policy_rule_read_full_file(const char *state_file, char **ret) { |
ac097c84 | 964 | _cleanup_free_ char *s = NULL; |
bce67bbe SS |
965 | size_t size; |
966 | int r; | |
967 | ||
968 | assert(state_file); | |
969 | ||
970 | r = read_full_file(state_file, &s, &size); | |
971 | if (r == -ENOENT) | |
972 | return -ENODATA; | |
973 | if (r < 0) | |
974 | return r; | |
975 | if (size <= 0) | |
976 | return -ENODATA; | |
977 | ||
ae2a15bc | 978 | *ret = TAKE_PTR(s); |
bce67bbe SS |
979 | |
980 | return size; | |
981 | } | |
982 | ||
458d8ae3 ZJS |
983 | int routing_policy_serialize_rules(Set *rules, FILE *f) { |
984 | RoutingPolicyRule *rule = NULL; | |
985 | Iterator i; | |
986 | int r; | |
987 | ||
988 | assert(f); | |
989 | ||
990 | SET_FOREACH(rule, rules, i) { | |
991 | _cleanup_free_ char *from_str = NULL, *to_str = NULL; | |
992 | bool space = false; | |
43e08c78 | 993 | const char *family_str; |
458d8ae3 ZJS |
994 | |
995 | fputs("RULE=", f); | |
996 | ||
997 | if (!in_addr_is_null(rule->family, &rule->from)) { | |
998 | r = in_addr_to_string(rule->family, &rule->from, &from_str); | |
999 | if (r < 0) | |
1000 | return r; | |
1001 | ||
1002 | fprintf(f, "from=%s/%hhu", | |
1003 | from_str, rule->from_prefixlen); | |
1004 | space = true; | |
1005 | } | |
1006 | ||
1007 | if (!in_addr_is_null(rule->family, &rule->to)) { | |
1008 | r = in_addr_to_string(rule->family, &rule->to, &to_str); | |
1009 | if (r < 0) | |
1010 | return r; | |
1011 | ||
1012 | fprintf(f, "%sto=%s/%hhu", | |
1013 | space ? " " : "", | |
1014 | to_str, rule->to_prefixlen); | |
1015 | space = true; | |
1016 | } | |
1017 | ||
43e08c78 YW |
1018 | family_str = af_to_name(rule->family); |
1019 | if (family_str) | |
1020 | fprintf(f, "%sfamily=%s", | |
1021 | space ? " " : "", | |
1022 | family_str); | |
1023 | ||
458d8ae3 ZJS |
1024 | if (rule->tos != 0) { |
1025 | fprintf(f, "%stos=%hhu", | |
1026 | space ? " " : "", | |
1027 | rule->tos); | |
1028 | space = true; | |
1029 | } | |
1030 | ||
ec863cdc YW |
1031 | fprintf(f, "%spriority=%"PRIu32, |
1032 | space ? " " : "", | |
1033 | rule->priority); | |
1034 | ||
458d8ae3 ZJS |
1035 | if (rule->fwmark != 0) { |
1036 | fprintf(f, "%sfwmark=%"PRIu32"/%"PRIu32, | |
1037 | space ? " " : "", | |
1038 | rule->fwmark, rule->fwmask); | |
1039 | space = true; | |
1040 | } | |
1041 | ||
9491f55f ZJS |
1042 | if (rule->iif) { |
1043 | fprintf(f, "%siif=%s", | |
1044 | space ? " " : "", | |
1045 | rule->iif); | |
1046 | space = true; | |
1047 | } | |
1048 | ||
1049 | if (rule->oif) { | |
1050 | fprintf(f, "%soif=%s", | |
1051 | space ? " " : "", | |
1052 | rule->oif); | |
1053 | space = true; | |
1054 | } | |
1055 | ||
926062f0 SS |
1056 | if (rule->protocol != 0) { |
1057 | fprintf(f, "%sprotocol=%hhu", | |
1058 | space ? " " : "", | |
1059 | rule->protocol); | |
1060 | space = true; | |
1061 | } | |
1062 | ||
1063 | if (rule->sport.start != 0 || rule->sport.end != 0) { | |
58a02e4c | 1064 | fprintf(f, "%ssourcesport=%"PRIu16"-%"PRIu16, |
926062f0 SS |
1065 | space ? " " : "", |
1066 | rule->sport.start, rule->sport.end); | |
1067 | space = true; | |
1068 | } | |
1069 | ||
1070 | if (rule->dport.start != 0 || rule->dport.end != 0) { | |
58a02e4c | 1071 | fprintf(f, "%sdestinationport=%"PRIu16"-%"PRIu16, |
926062f0 SS |
1072 | space ? " " : "", |
1073 | rule->dport.start, rule->dport.end); | |
1074 | space = true; | |
1075 | } | |
1076 | ||
458d8ae3 ZJS |
1077 | fprintf(f, "%stable=%"PRIu32 "\n", |
1078 | space ? " " : "", | |
1079 | rule->table); | |
1080 | } | |
1081 | ||
1082 | return 0; | |
1083 | } | |
1084 | ||
1085 | int routing_policy_load_rules(const char *state_file, Set **rules) { | |
bce67bbe SS |
1086 | _cleanup_strv_free_ char **l = NULL; |
1087 | _cleanup_free_ char *data = NULL; | |
926062f0 | 1088 | uint16_t low = 0, high = 0; |
bce67bbe SS |
1089 | const char *p; |
1090 | char **i; | |
1091 | int r; | |
1092 | ||
458d8ae3 ZJS |
1093 | assert(state_file); |
1094 | assert(rules); | |
bce67bbe | 1095 | |
458d8ae3 | 1096 | r = routing_policy_rule_read_full_file(state_file, &data); |
bce67bbe SS |
1097 | if (r <= 0) |
1098 | return r; | |
1099 | ||
1100 | l = strv_split_newlines(data); | |
1101 | if (!l) | |
1102 | return -ENOMEM; | |
1103 | ||
458d8ae3 | 1104 | r = set_ensure_allocated(rules, &routing_policy_rule_hash_ops); |
bce67bbe SS |
1105 | if (r < 0) |
1106 | return r; | |
1107 | ||
1108 | STRV_FOREACH(i, l) { | |
8e766630 | 1109 | _cleanup_(routing_policy_rule_freep) RoutingPolicyRule *rule = NULL; |
bce67bbe SS |
1110 | |
1111 | p = startswith(*i, "RULE="); | |
1112 | if (!p) | |
1113 | continue; | |
1114 | ||
bce67bbe SS |
1115 | r = routing_policy_rule_new(&rule); |
1116 | if (r < 0) | |
1117 | return r; | |
1118 | ||
1119 | for (;;) { | |
1120 | _cleanup_free_ char *word = NULL, *a = NULL, *b = NULL; | |
bce67bbe SS |
1121 | |
1122 | r = extract_first_word(&p, &word, NULL, 0); | |
1123 | if (r < 0) | |
1124 | return r; | |
1125 | if (r == 0) | |
1126 | break; | |
1127 | ||
1128 | r = split_pair(word, "=", &a, &b); | |
1129 | if (r < 0) | |
1130 | continue; | |
1131 | ||
1132 | if (STR_IN_SET(a, "from", "to")) { | |
7934dede YW |
1133 | union in_addr_union *buffer; |
1134 | uint8_t *prefixlen; | |
bce67bbe SS |
1135 | |
1136 | if (streq(a, "to")) { | |
7934dede YW |
1137 | buffer = &rule->to; |
1138 | prefixlen = &rule->to_prefixlen; | |
bce67bbe | 1139 | } else { |
7934dede YW |
1140 | buffer = &rule->from; |
1141 | prefixlen = &rule->from_prefixlen; | |
1142 | } | |
1143 | ||
1144 | r = in_addr_prefix_from_string_auto(b, &rule->family, buffer, prefixlen); | |
1145 | if (r < 0) { | |
1146 | log_error_errno(r, "RPDB rule prefix is invalid, ignoring assignment: %s", b); | |
1147 | continue; | |
bce67bbe | 1148 | } |
7934dede | 1149 | |
43e08c78 YW |
1150 | } else if (streq(a, "family")) { |
1151 | r = af_from_name(b); | |
1152 | if (r < 0) { | |
1153 | log_error_errno(r, "Failed to parse RPDB rule family, ignoring: %s", b); | |
1154 | continue; | |
1155 | } | |
1156 | rule->family = r; | |
bce67bbe SS |
1157 | } else if (streq(a, "tos")) { |
1158 | r = safe_atou8(b, &rule->tos); | |
1159 | if (r < 0) { | |
1160 | log_error_errno(r, "Failed to parse RPDB rule tos, ignoring: %s", b); | |
1161 | continue; | |
1162 | } | |
1163 | } else if (streq(a, "table")) { | |
1164 | r = safe_atou32(b, &rule->table); | |
1165 | if (r < 0) { | |
1166 | log_error_errno(r, "Failed to parse RPDB rule table, ignoring: %s", b); | |
1167 | continue; | |
1168 | } | |
ec863cdc YW |
1169 | } else if (streq(a, "priority")) { |
1170 | r = safe_atou32(b, &rule->priority); | |
1171 | if (r < 0) { | |
1172 | log_error_errno(r, "Failed to parse RPDB rule priority, ignoring: %s", b); | |
1173 | continue; | |
1174 | } | |
bce67bbe SS |
1175 | } else if (streq(a, "fwmark")) { |
1176 | ||
e4aca57d | 1177 | r = parse_fwmark_fwmask(b, &rule->fwmark, &rule->fwmask); |
bce67bbe SS |
1178 | if (r < 0) { |
1179 | log_error_errno(r, "Failed to parse RPDB rule firewall mark or mask, ignoring: %s", a); | |
1180 | continue; | |
1181 | } | |
9491f55f | 1182 | } else if (streq(a, "iif")) { |
762e2659 | 1183 | |
93f9da6e | 1184 | if (free_and_strdup(&rule->iif, b) < 0) |
762e2659 | 1185 | return log_oom(); |
93f9da6e | 1186 | |
9491f55f | 1187 | } else if (streq(a, "oif")) { |
762e2659 | 1188 | |
93f9da6e | 1189 | if (free_and_strdup(&rule->oif, b) < 0) |
762e2659 | 1190 | return log_oom(); |
926062f0 SS |
1191 | } else if (streq(a, "protocol")) { |
1192 | r = safe_atou8(b, &rule->protocol); | |
1193 | if (r < 0) { | |
1194 | log_error_errno(r, "Failed to parse RPDB rule protocol, ignoring: %s", b); | |
1195 | continue; | |
1196 | } | |
1197 | } else if (streq(a, "sourceport")) { | |
1198 | ||
1199 | r = parse_ip_port_range(b, &low, &high); | |
1200 | if (r < 0) { | |
1201 | log_error_errno(r, "Invalid routing policy rule source port range, ignoring assignment:'%s'", b); | |
1202 | continue; | |
1203 | } | |
1204 | ||
1205 | rule->sport.start = low; | |
1206 | rule->sport.end = high; | |
1207 | ||
1208 | } else if (streq(a, "destinationport")) { | |
1209 | ||
1210 | r = parse_ip_port_range(b, &low, &high); | |
1211 | if (r < 0) { | |
1212 | log_error_errno(r, "Invalid routing policy rule destination port range, ignoring assignment:'%s'", b); | |
1213 | continue; | |
1214 | } | |
1215 | ||
1216 | rule->dport.start = low; | |
1217 | rule->dport.end = high; | |
bce67bbe SS |
1218 | } |
1219 | } | |
1220 | ||
458d8ae3 | 1221 | r = set_put(*rules, rule); |
bce67bbe SS |
1222 | if (r < 0) { |
1223 | log_warning_errno(r, "Failed to add RPDB rule to saved DB, ignoring: %s", p); | |
1224 | continue; | |
1225 | } | |
75a302b5 YW |
1226 | if (r > 0) |
1227 | rule = NULL; | |
bce67bbe SS |
1228 | } |
1229 | ||
1230 | return 0; | |
1231 | } | |
1232 | ||
031fb59a YW |
1233 | static bool manager_links_have_routing_policy_rule(Manager *m, RoutingPolicyRule *rule) { |
1234 | RoutingPolicyRule *link_rule; | |
1235 | Iterator i; | |
1236 | Link *link; | |
1237 | ||
1238 | assert(m); | |
1239 | assert(rule); | |
1240 | ||
1241 | HASHMAP_FOREACH(link, m->links, i) { | |
1242 | if (!link->network) | |
1243 | continue; | |
1244 | ||
1245 | LIST_FOREACH(rules, link_rule, link->network->rules) | |
1246 | if (routing_policy_rule_compare_func(link_rule, rule) == 0) | |
1247 | return true; | |
1248 | } | |
1249 | ||
1250 | return false; | |
1251 | } | |
1252 | ||
bce67bbe SS |
1253 | void routing_policy_rule_purge(Manager *m, Link *link) { |
1254 | RoutingPolicyRule *rule, *existing; | |
1255 | Iterator i; | |
1256 | int r; | |
1257 | ||
1258 | assert(m); | |
1259 | assert(link); | |
1260 | ||
1261 | SET_FOREACH(rule, m->rules_saved, i) { | |
1262 | existing = set_get(m->rules_foreign, rule); | |
92cd00b9 YW |
1263 | if (!existing) |
1264 | continue; /* Saved rule does not exist anymore. */ | |
bce67bbe | 1265 | |
031fb59a YW |
1266 | if (manager_links_have_routing_policy_rule(m, existing)) |
1267 | continue; /* Existing links have the saved rule. */ | |
1268 | ||
1269 | /* Existing links do not have the saved rule. Let's drop the rule now, and re-configure it | |
1270 | * later when it is requested. */ | |
1271 | ||
92cd00b9 YW |
1272 | r = routing_policy_rule_remove(existing, link, NULL); |
1273 | if (r < 0) { | |
1274 | log_warning_errno(r, "Could not remove routing policy rules: %m"); | |
1275 | continue; | |
bce67bbe | 1276 | } |
92cd00b9 YW |
1277 | |
1278 | link->routing_policy_rule_remove_messages++; | |
1279 | ||
1280 | assert_se(set_remove(m->rules_foreign, existing) == existing); | |
1281 | routing_policy_rule_free(existing); | |
bce67bbe SS |
1282 | } |
1283 | } |