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