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