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interface-ip: route proto config support (FS#170)
[project/netifd.git] / ubus.c
1 /*
2 * netifd - network interface daemon
3 * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 */
14 #define _GNU_SOURCE
15
16 #include <arpa/inet.h>
17 #include <string.h>
18 #include <stdio.h>
19
20 #include "netifd.h"
21 #include "interface.h"
22 #include "proto.h"
23 #include "ubus.h"
24 #include "system.h"
25 #include "wireless.h"
26
27 struct ubus_context *ubus_ctx = NULL;
28 static struct blob_buf b;
29 static const char *ubus_path;
30
31 /* global object */
32
33 static int
34 netifd_handle_restart(struct ubus_context *ctx, struct ubus_object *obj,
35 struct ubus_request_data *req, const char *method,
36 struct blob_attr *msg)
37 {
38 netifd_restart();
39 return 0;
40 }
41
42 static int
43 netifd_handle_reload(struct ubus_context *ctx, struct ubus_object *obj,
44 struct ubus_request_data *req, const char *method,
45 struct blob_attr *msg)
46 {
47 netifd_reload();
48 return 0;
49 }
50
51 enum {
52 HR_TARGET,
53 HR_V6,
54 HR_INTERFACE,
55 __HR_MAX
56 };
57
58 static const struct blobmsg_policy route_policy[__HR_MAX] = {
59 [HR_TARGET] = { .name = "target", .type = BLOBMSG_TYPE_STRING },
60 [HR_V6] = { .name = "v6", .type = BLOBMSG_TYPE_BOOL },
61 [HR_INTERFACE] = { .name = "interface", .type = BLOBMSG_TYPE_STRING },
62 };
63
64 static int
65 netifd_add_host_route(struct ubus_context *ctx, struct ubus_object *obj,
66 struct ubus_request_data *req, const char *method,
67 struct blob_attr *msg)
68 {
69 struct blob_attr *tb[__HR_MAX];
70 struct interface *iface = NULL;
71 union if_addr a;
72 bool v6 = false;
73
74 blobmsg_parse(route_policy, __HR_MAX, tb, blob_data(msg), blob_len(msg));
75 if (!tb[HR_TARGET])
76 return UBUS_STATUS_INVALID_ARGUMENT;
77
78 if (tb[HR_V6])
79 v6 = blobmsg_get_bool(tb[HR_V6]);
80
81 if (tb[HR_INTERFACE])
82 iface = vlist_find(&interfaces, blobmsg_data(tb[HR_INTERFACE]), iface, node);
83
84 memset(&a, 0, sizeof(a));
85 if (!inet_pton(v6 ? AF_INET6 : AF_INET, blobmsg_data(tb[HR_TARGET]), &a))
86 return UBUS_STATUS_INVALID_ARGUMENT;
87
88
89 iface = interface_ip_add_target_route(&a, v6, iface);
90 if (!iface)
91 return UBUS_STATUS_NOT_FOUND;
92
93 blob_buf_init(&b, 0);
94 blobmsg_add_string(&b, "interface", iface->name);
95 ubus_send_reply(ctx, req, b.head);
96
97 return 0;
98 }
99
100 static int
101 netifd_get_proto_handlers(struct ubus_context *ctx, struct ubus_object *obj,
102 struct ubus_request_data *req, const char *method,
103 struct blob_attr *msg)
104 {
105 blob_buf_init(&b, 0);
106 proto_dump_handlers(&b);
107 ubus_send_reply(ctx, req, b.head);
108
109 return 0;
110 }
111
112
113 enum {
114 DI_NAME,
115 __DI_MAX
116 };
117
118 static const struct blobmsg_policy dynamic_policy[__DI_MAX] = {
119 [DI_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
120 };
121
122 static int
123 netifd_add_dynamic(struct ubus_context *ctx, struct ubus_object *obj,
124 struct ubus_request_data *req, const char *method,
125 struct blob_attr *msg)
126 {
127 struct blob_attr *tb[__DI_MAX];
128 struct interface *iface;
129 struct blob_attr *config;
130 struct device *dev;
131
132 blobmsg_parse(dynamic_policy, __DI_MAX, tb, blob_data(msg), blob_len(msg));
133
134 if (!tb[DI_NAME])
135 return UBUS_STATUS_INVALID_ARGUMENT;
136
137 const char *name = blobmsg_get_string(tb[DI_NAME]);
138
139 iface = interface_alloc(name, msg);
140 if (!iface)
141 return UBUS_STATUS_UNKNOWN_ERROR;
142
143 config = blob_memdup(msg);
144 if (!config)
145 goto error;
146
147 interface_add(iface, config);
148
149 // need to look up the interface name again, in case of config update
150 // the pointer will have changed
151 iface = vlist_find(&interfaces, name, iface, node);
152 if (!iface)
153 return UBUS_STATUS_UNKNOWN_ERROR;
154
155 // Set interface as dynamic
156 interface_set_dynamic(iface);
157
158 dev = iface->main_dev.dev;
159 if (!dev || !dev->default_config)
160 return UBUS_STATUS_UNKNOWN_ERROR;
161
162 return UBUS_STATUS_OK;
163
164 error:
165 free(iface);
166 return UBUS_STATUS_UNKNOWN_ERROR;
167 }
168
169 static struct ubus_method main_object_methods[] = {
170 { .name = "restart", .handler = netifd_handle_restart },
171 { .name = "reload", .handler = netifd_handle_reload },
172 UBUS_METHOD("add_host_route", netifd_add_host_route, route_policy),
173 { .name = "get_proto_handlers", .handler = netifd_get_proto_handlers },
174 UBUS_METHOD("add_dynamic", netifd_add_dynamic, dynamic_policy),
175 };
176
177 static struct ubus_object_type main_object_type =
178 UBUS_OBJECT_TYPE("netifd", main_object_methods);
179
180 static struct ubus_object main_object = {
181 .name = "network",
182 .type = &main_object_type,
183 .methods = main_object_methods,
184 .n_methods = ARRAY_SIZE(main_object_methods),
185 };
186
187 enum {
188 DEV_NAME,
189 __DEV_MAX,
190 };
191
192 static const struct blobmsg_policy dev_policy[__DEV_MAX] = {
193 [DEV_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
194 };
195
196 static int
197 netifd_dev_status(struct ubus_context *ctx, struct ubus_object *obj,
198 struct ubus_request_data *req, const char *method,
199 struct blob_attr *msg)
200 {
201 struct device *dev = NULL;
202 struct blob_attr *tb[__DEV_MAX];
203
204 blobmsg_parse(dev_policy, __DEV_MAX, tb, blob_data(msg), blob_len(msg));
205
206 if (tb[DEV_NAME]) {
207 dev = device_find(blobmsg_data(tb[DEV_NAME]));
208 if (!dev)
209 return UBUS_STATUS_INVALID_ARGUMENT;
210 }
211
212 blob_buf_init(&b, 0);
213 device_dump_status(&b, dev);
214 ubus_send_reply(ctx, req, b.head);
215
216 return 0;
217 }
218
219 enum {
220 ALIAS_ATTR_ALIAS,
221 ALIAS_ATTR_DEV,
222 __ALIAS_ATTR_MAX,
223 };
224
225 static const struct blobmsg_policy alias_attrs[__ALIAS_ATTR_MAX] = {
226 [ALIAS_ATTR_ALIAS] = { "alias", BLOBMSG_TYPE_ARRAY },
227 [ALIAS_ATTR_DEV] = { "device", BLOBMSG_TYPE_STRING },
228 };
229
230 static int
231 netifd_handle_alias(struct ubus_context *ctx, struct ubus_object *obj,
232 struct ubus_request_data *req, const char *method,
233 struct blob_attr *msg)
234 {
235 struct device *dev = NULL;
236 struct blob_attr *tb[__ALIAS_ATTR_MAX];
237 struct blob_attr *cur;
238 int rem;
239
240 blobmsg_parse(alias_attrs, __ALIAS_ATTR_MAX, tb, blob_data(msg), blob_len(msg));
241
242 if (!tb[ALIAS_ATTR_ALIAS])
243 return UBUS_STATUS_INVALID_ARGUMENT;
244
245 if ((cur = tb[ALIAS_ATTR_DEV]) != NULL) {
246 dev = device_get(blobmsg_data(cur), true);
247 if (!dev)
248 return UBUS_STATUS_NOT_FOUND;
249 }
250
251 blobmsg_for_each_attr(cur, tb[ALIAS_ATTR_ALIAS], rem) {
252 if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING)
253 goto error;
254
255 if (!blobmsg_check_attr(cur, NULL))
256 goto error;
257
258 alias_notify_device(blobmsg_data(cur), dev);
259 }
260 return 0;
261
262 error:
263 device_free_unused(dev);
264 return UBUS_STATUS_INVALID_ARGUMENT;
265 }
266
267 enum {
268 DEV_STATE_NAME,
269 DEV_STATE_DEFER,
270 __DEV_STATE_MAX,
271 };
272
273 static const struct blobmsg_policy dev_state_policy[__DEV_STATE_MAX] = {
274 [DEV_STATE_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
275 [DEV_STATE_DEFER] = { .name = "defer", .type = BLOBMSG_TYPE_BOOL },
276 };
277
278 static int
279 netifd_handle_set_state(struct ubus_context *ctx, struct ubus_object *obj,
280 struct ubus_request_data *req, const char *method,
281 struct blob_attr *msg)
282 {
283 struct device *dev = NULL;
284 struct blob_attr *tb[__DEV_STATE_MAX];
285 struct blob_attr *cur;
286
287 blobmsg_parse(dev_state_policy, __DEV_STATE_MAX, tb, blob_data(msg), blob_len(msg));
288
289 cur = tb[DEV_STATE_NAME];
290 if (!cur)
291 return UBUS_STATUS_INVALID_ARGUMENT;
292
293 dev = device_find(blobmsg_data(cur));
294 if (!dev)
295 return UBUS_STATUS_NOT_FOUND;
296
297 cur = tb[DEV_STATE_DEFER];
298 if (cur)
299 device_set_deferred(dev, !!blobmsg_get_u8(cur));
300
301 return 0;
302 }
303
304 static struct ubus_method dev_object_methods[] = {
305 UBUS_METHOD("status", netifd_dev_status, dev_policy),
306 UBUS_METHOD("set_alias", netifd_handle_alias, alias_attrs),
307 UBUS_METHOD("set_state", netifd_handle_set_state, dev_state_policy),
308 };
309
310 static struct ubus_object_type dev_object_type =
311 UBUS_OBJECT_TYPE("device", dev_object_methods);
312
313 static struct ubus_object dev_object = {
314 .name = "network.device",
315 .type = &dev_object_type,
316 .methods = dev_object_methods,
317 .n_methods = ARRAY_SIZE(dev_object_methods),
318 };
319
320 static void
321 netifd_ubus_add_fd(void)
322 {
323 ubus_add_uloop(ubus_ctx);
324 system_fd_set_cloexec(ubus_ctx->sock.fd);
325 }
326
327 static void
328 netifd_ubus_reconnect_timer(struct uloop_timeout *timeout)
329 {
330 static struct uloop_timeout retry = {
331 .cb = netifd_ubus_reconnect_timer,
332 };
333 int t = 2;
334
335 if (ubus_reconnect(ubus_ctx, ubus_path) != 0) {
336 DPRINTF("failed to reconnect, trying again in %d seconds\n", t);
337 uloop_timeout_set(&retry, t * 1000);
338 return;
339 }
340
341 DPRINTF("reconnected to ubus, new id: %08x\n", ubus_ctx->local_id);
342 netifd_ubus_add_fd();
343 }
344
345 static void
346 netifd_ubus_connection_lost(struct ubus_context *ctx)
347 {
348 netifd_ubus_reconnect_timer(NULL);
349 }
350
351 /* per-interface object */
352
353 static int
354 netifd_handle_up(struct ubus_context *ctx, struct ubus_object *obj,
355 struct ubus_request_data *req, const char *method,
356 struct blob_attr *msg)
357 {
358 struct interface *iface;
359
360 iface = container_of(obj, struct interface, ubus);
361 interface_set_up(iface);
362
363 return 0;
364 }
365
366 static int
367 netifd_handle_down(struct ubus_context *ctx, struct ubus_object *obj,
368 struct ubus_request_data *req, const char *method,
369 struct blob_attr *msg)
370 {
371 struct interface *iface;
372
373 iface = container_of(obj, struct interface, ubus);
374 interface_set_down(iface);
375
376 return 0;
377 }
378
379 static void
380 netifd_add_interface_errors(struct blob_buf *b, struct interface *iface)
381 {
382 struct interface_error *error;
383 void *e, *e2, *e3;
384 int i;
385
386 e = blobmsg_open_array(b, "errors");
387 list_for_each_entry(error, &iface->errors, list) {
388 e2 = blobmsg_open_table(b, NULL);
389
390 blobmsg_add_string(b, "subsystem", error->subsystem);
391 blobmsg_add_string(b, "code", error->code);
392 if (error->data[0]) {
393 e3 = blobmsg_open_array(b, "data");
394 for (i = 0; error->data[i]; i++)
395 blobmsg_add_string(b, NULL, error->data[i]);
396 blobmsg_close_array(b, e3);
397 }
398
399 blobmsg_close_table(b, e2);
400 }
401 blobmsg_close_array(b, e);
402 }
403
404 static void
405 interface_ip_dump_address_list(struct interface_ip_settings *ip, bool v6,
406 bool enabled)
407 {
408 struct device_addr *addr;
409 char *buf;
410 void *a;
411 int buflen = 128;
412 int af;
413
414 time_t now = system_get_rtime();
415 vlist_for_each_element(&ip->addr, addr, node) {
416 if (addr->enabled != enabled)
417 continue;
418
419 if ((addr->flags & DEVADDR_FAMILY) == DEVADDR_INET4)
420 af = AF_INET;
421 else
422 af = AF_INET6;
423
424 if (af != (v6 ? AF_INET6 : AF_INET))
425 continue;
426
427 a = blobmsg_open_table(&b, NULL);
428
429 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
430 inet_ntop(af, &addr->addr, buf, buflen);
431 blobmsg_add_string_buffer(&b);
432
433 blobmsg_add_u32(&b, "mask", addr->mask);
434
435 if (addr->preferred_until) {
436 int preferred = addr->preferred_until - now;
437 if (preferred < 0)
438 preferred = 0;
439 blobmsg_add_u32(&b, "preferred", preferred);
440 }
441
442 if (addr->valid_until)
443 blobmsg_add_u32(&b, "valid", addr->valid_until - now);
444
445 if (addr->pclass)
446 blobmsg_add_string(&b, "class", addr->pclass);
447
448 blobmsg_close_table(&b, a);
449 }
450 }
451
452 static void
453 interface_ip_dump_route_list(struct interface_ip_settings *ip, bool enabled)
454 {
455 struct device_route *route;
456 int buflen = 128;
457 char *buf;
458 void *r;
459 int af;
460
461 time_t now = system_get_rtime();
462 vlist_for_each_element(&ip->route, route, node) {
463 if (route->enabled != enabled)
464 continue;
465
466 if ((ip->no_defaultroute == enabled) && !route->mask)
467 continue;
468
469 if ((route->flags & DEVADDR_FAMILY) == DEVADDR_INET4)
470 af = AF_INET;
471 else
472 af = AF_INET6;
473
474 r = blobmsg_open_table(&b, NULL);
475
476 buf = blobmsg_alloc_string_buffer(&b, "target", buflen);
477 inet_ntop(af, &route->addr, buf, buflen);
478 blobmsg_add_string_buffer(&b);
479
480 blobmsg_add_u32(&b, "mask", route->mask);
481
482 buf = blobmsg_alloc_string_buffer(&b, "nexthop", buflen);
483 inet_ntop(af, &route->nexthop, buf, buflen);
484 blobmsg_add_string_buffer(&b);
485
486 if (route->flags & DEVROUTE_TYPE)
487 blobmsg_add_u32(&b, "type", route->type);
488
489 if (route->flags & DEVROUTE_PROTO)
490 blobmsg_add_u32(&b, "proto", route->proto);
491
492 if (route->flags & DEVROUTE_MTU)
493 blobmsg_add_u32(&b, "mtu", route->mtu);
494
495 if (route->flags & DEVROUTE_METRIC)
496 blobmsg_add_u32(&b, "metric", route->metric);
497
498 if (route->flags & DEVROUTE_TABLE)
499 blobmsg_add_u32(&b, "table", route->table);
500
501 if (route->valid_until)
502 blobmsg_add_u32(&b, "valid", route->valid_until - now);
503
504 buf = blobmsg_alloc_string_buffer(&b, "source", buflen);
505 inet_ntop(af, &route->source, buf, buflen);
506 snprintf(buf + strlen(buf), buflen - strlen(buf), "/%u", route->sourcemask);
507 blobmsg_add_string_buffer(&b);
508
509 blobmsg_close_table(&b, r);
510 }
511 }
512
513
514 static void
515 interface_ip_dump_prefix_list(struct interface_ip_settings *ip)
516 {
517 struct device_prefix *prefix;
518 char *buf;
519 void *a, *c;
520 const int buflen = INET6_ADDRSTRLEN;
521
522 time_t now = system_get_rtime();
523 vlist_for_each_element(&ip->prefix, prefix, node) {
524 a = blobmsg_open_table(&b, NULL);
525
526 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
527 inet_ntop(AF_INET6, &prefix->addr, buf, buflen);
528 blobmsg_add_string_buffer(&b);
529
530 blobmsg_add_u32(&b, "mask", prefix->length);
531
532 if (prefix->preferred_until) {
533 int preferred = prefix->preferred_until - now;
534 if (preferred < 0)
535 preferred = 0;
536 blobmsg_add_u32(&b, "preferred", preferred);
537 }
538
539 if (prefix->valid_until)
540 blobmsg_add_u32(&b, "valid", prefix->valid_until - now);
541
542 blobmsg_add_string(&b, "class", prefix->pclass);
543
544 c = blobmsg_open_table(&b, "assigned");
545 struct device_prefix_assignment *assign;
546 list_for_each_entry(assign, &prefix->assignments, head) {
547 if (!assign->name[0])
548 continue;
549
550 struct in6_addr addr = prefix->addr;
551 addr.s6_addr32[1] |= htonl(assign->assigned);
552
553 void *d = blobmsg_open_table(&b, assign->name);
554
555 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
556 inet_ntop(AF_INET6, &addr, buf, buflen);
557 blobmsg_add_string_buffer(&b);
558
559 blobmsg_add_u32(&b, "mask", assign->length);
560
561 blobmsg_close_table(&b, d);
562 }
563 blobmsg_close_table(&b, c);
564
565 blobmsg_close_table(&b, a);
566 }
567 }
568
569
570 static void
571 interface_ip_dump_prefix_assignment_list(struct interface *iface)
572 {
573 void *a;
574 char *buf;
575 const int buflen = INET6_ADDRSTRLEN;
576 time_t now = system_get_rtime();
577
578 struct device_prefix *prefix;
579 list_for_each_entry(prefix, &prefixes, head) {
580 struct device_prefix_assignment *assign;
581 list_for_each_entry(assign, &prefix->assignments, head) {
582 if (strcmp(assign->name, iface->name))
583 continue;
584
585 struct in6_addr addr = prefix->addr;
586 addr.s6_addr32[1] |= htonl(assign->assigned);
587
588 a = blobmsg_open_table(&b, NULL);
589
590 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
591 inet_ntop(AF_INET6, &addr, buf, buflen);
592 blobmsg_add_string_buffer(&b);
593
594 blobmsg_add_u32(&b, "mask", assign->length);
595
596 if (prefix->preferred_until) {
597 int preferred = prefix->preferred_until - now;
598 if (preferred < 0)
599 preferred = 0;
600 blobmsg_add_u32(&b, "preferred", preferred);
601 }
602
603 if (prefix->valid_until)
604 blobmsg_add_u32(&b, "valid", prefix->valid_until - now);
605
606 void *c = blobmsg_open_table(&b, "local-address");
607 if (assign->enabled) {
608 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
609 inet_ntop(AF_INET6, &assign->addr, buf, buflen);
610 blobmsg_add_string_buffer(&b);
611
612 blobmsg_add_u32(&b, "mask", assign->length < 64 ? 64 : assign->length);
613 }
614 blobmsg_close_table(&b, c);
615
616 blobmsg_close_table(&b, a);
617 }
618 }
619 }
620
621 static void
622 interface_ip_dump_dns_server_list(struct interface_ip_settings *ip,
623 bool enabled)
624 {
625 struct dns_server *dns;
626 int buflen = 128;
627 char *buf;
628
629 vlist_simple_for_each_element(&ip->dns_servers, dns, node) {
630 if (ip->no_dns == enabled)
631 continue;
632
633 buf = blobmsg_alloc_string_buffer(&b, NULL, buflen);
634 inet_ntop(dns->af, &dns->addr, buf, buflen);
635 blobmsg_add_string_buffer(&b);
636 }
637 }
638
639 static void
640 interface_ip_dump_dns_search_list(struct interface_ip_settings *ip,
641 bool enabled)
642 {
643 struct dns_search_domain *dns;
644
645 vlist_simple_for_each_element(&ip->dns_search, dns, node) {
646 if (ip->no_dns == enabled)
647 continue;
648
649 blobmsg_add_string(&b, NULL, dns->name);
650 }
651 }
652
653 static void
654 netifd_dump_status(struct interface *iface)
655 {
656 struct interface_data *data;
657 struct device *dev;
658 void *a, *inactive;
659
660 blobmsg_add_u8(&b, "up", iface->state == IFS_UP);
661 blobmsg_add_u8(&b, "pending", iface->state == IFS_SETUP);
662 blobmsg_add_u8(&b, "available", iface->available);
663 blobmsg_add_u8(&b, "autostart", iface->autostart);
664 blobmsg_add_u8(&b, "dynamic", iface->dynamic);
665
666 if (iface->state == IFS_UP) {
667 time_t cur = system_get_rtime();
668 blobmsg_add_u32(&b, "uptime", cur - iface->start_time);
669 if (iface->l3_dev.dev)
670 blobmsg_add_string(&b, "l3_device", iface->l3_dev.dev->ifname);
671 }
672
673 if (iface->proto_handler)
674 blobmsg_add_string(&b, "proto", iface->proto_handler->name);
675
676 dev = iface->main_dev.dev;
677 if (dev && !dev->hidden && iface->proto_handler &&
678 !(iface->proto_handler->flags & PROTO_FLAG_NODEV))
679 blobmsg_add_string(&b, "device", dev->ifname);
680
681 if (iface->state == IFS_UP) {
682 if (iface->updated) {
683 a = blobmsg_open_array(&b, "updated");
684
685 if (iface->updated & IUF_ADDRESS)
686 blobmsg_add_string(&b, NULL, "addresses");
687 if (iface->updated & IUF_ROUTE)
688 blobmsg_add_string(&b, NULL, "routes");
689 if (iface->updated & IUF_PREFIX)
690 blobmsg_add_string(&b, NULL, "prefixes");
691 if (iface->updated & IUF_DATA)
692 blobmsg_add_string(&b, NULL, "data");
693
694 blobmsg_close_array(&b, a);
695 }
696
697 if (iface->ip4table)
698 blobmsg_add_u32(&b, "ip4table", iface->ip4table);
699 if (iface->ip6table)
700 blobmsg_add_u32(&b, "ip6table", iface->ip6table);
701 blobmsg_add_u32(&b, "metric", iface->metric);
702 blobmsg_add_u32(&b, "dns_metric", iface->dns_metric);
703 blobmsg_add_u8(&b, "delegation", !iface->proto_ip.no_delegation);
704 a = blobmsg_open_array(&b, "ipv4-address");
705 interface_ip_dump_address_list(&iface->config_ip, false, true);
706 interface_ip_dump_address_list(&iface->proto_ip, false, true);
707 blobmsg_close_array(&b, a);
708 a = blobmsg_open_array(&b, "ipv6-address");
709 interface_ip_dump_address_list(&iface->config_ip, true, true);
710 interface_ip_dump_address_list(&iface->proto_ip, true, true);
711 blobmsg_close_array(&b, a);
712 a = blobmsg_open_array(&b, "ipv6-prefix");
713 interface_ip_dump_prefix_list(&iface->config_ip);
714 interface_ip_dump_prefix_list(&iface->proto_ip);
715 blobmsg_close_array(&b, a);
716 a = blobmsg_open_array(&b, "ipv6-prefix-assignment");
717 interface_ip_dump_prefix_assignment_list(iface);
718 blobmsg_close_array(&b, a);
719 a = blobmsg_open_array(&b, "route");
720 interface_ip_dump_route_list(&iface->config_ip, true);
721 interface_ip_dump_route_list(&iface->proto_ip, true);
722 blobmsg_close_array(&b, a);
723 a = blobmsg_open_array(&b, "dns-server");
724 interface_ip_dump_dns_server_list(&iface->config_ip, true);
725 interface_ip_dump_dns_server_list(&iface->proto_ip, true);
726 blobmsg_close_array(&b, a);
727 a = blobmsg_open_array(&b, "dns-search");
728 interface_ip_dump_dns_search_list(&iface->config_ip, true);
729 interface_ip_dump_dns_search_list(&iface->proto_ip, true);
730 blobmsg_close_array(&b, a);
731
732 inactive = blobmsg_open_table(&b, "inactive");
733 a = blobmsg_open_array(&b, "ipv4-address");
734 interface_ip_dump_address_list(&iface->config_ip, false, false);
735 interface_ip_dump_address_list(&iface->proto_ip, false, false);
736 blobmsg_close_array(&b, a);
737 a = blobmsg_open_array(&b, "ipv6-address");
738 interface_ip_dump_address_list(&iface->config_ip, true, false);
739 interface_ip_dump_address_list(&iface->proto_ip, true, false);
740 blobmsg_close_array(&b, a);
741 a = blobmsg_open_array(&b, "route");
742 interface_ip_dump_route_list(&iface->config_ip, false);
743 interface_ip_dump_route_list(&iface->proto_ip, false);
744 blobmsg_close_array(&b, a);
745 a = blobmsg_open_array(&b, "dns-server");
746 interface_ip_dump_dns_server_list(&iface->config_ip, false);
747 interface_ip_dump_dns_server_list(&iface->proto_ip, false);
748 blobmsg_close_array(&b, a);
749 a = blobmsg_open_array(&b, "dns-search");
750 interface_ip_dump_dns_search_list(&iface->config_ip, false);
751 interface_ip_dump_dns_search_list(&iface->proto_ip, false);
752 blobmsg_close_array(&b, a);
753 blobmsg_close_table(&b, inactive);
754 }
755
756 a = blobmsg_open_table(&b, "data");
757 avl_for_each_element(&iface->data, data, node)
758 blobmsg_add_blob(&b, data->data);
759
760 blobmsg_close_table(&b, a);
761
762 if (!list_empty(&iface->errors))
763 netifd_add_interface_errors(&b, iface);
764 }
765
766 static int
767 netifd_handle_status(struct ubus_context *ctx, struct ubus_object *obj,
768 struct ubus_request_data *req, const char *method,
769 struct blob_attr *msg)
770 {
771 struct interface *iface = container_of(obj, struct interface, ubus);
772
773 blob_buf_init(&b, 0);
774 netifd_dump_status(iface);
775 ubus_send_reply(ctx, req, b.head);
776
777 return 0;
778 }
779
780
781 static int
782 netifd_handle_dump(struct ubus_context *ctx, struct ubus_object *obj,
783 struct ubus_request_data *req, const char *method,
784 struct blob_attr *msg)
785 {
786 blob_buf_init(&b, 0);
787 void *a = blobmsg_open_array(&b, "interface");
788
789 struct interface *iface;
790 vlist_for_each_element(&interfaces, iface, node) {
791 void *i = blobmsg_open_table(&b, NULL);
792 blobmsg_add_string(&b, "interface", iface->name);
793 netifd_dump_status(iface);
794 blobmsg_close_table(&b, i);
795 }
796
797 blobmsg_close_array(&b, a);
798 ubus_send_reply(ctx, req, b.head);
799
800 return 0;
801 }
802
803 enum {
804 DEV_LINK_NAME,
805 DEV_LINK_EXT,
806 __DEV_LINK_MAX,
807 };
808
809 static const struct blobmsg_policy dev_link_policy[__DEV_LINK_MAX] = {
810 [DEV_LINK_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
811 [DEV_LINK_EXT] = { .name = "link-ext", .type = BLOBMSG_TYPE_BOOL },
812 };
813
814 static int
815 netifd_iface_handle_device(struct ubus_context *ctx, struct ubus_object *obj,
816 struct ubus_request_data *req, const char *method,
817 struct blob_attr *msg)
818 {
819 struct blob_attr *tb[__DEV_LINK_MAX];
820 struct blob_attr *cur;
821 struct interface *iface;
822 bool add = !strncmp(method, "add", 3);
823 bool link_ext = true;
824
825 iface = container_of(obj, struct interface, ubus);
826
827 blobmsg_parse(dev_link_policy, __DEV_LINK_MAX, tb, blob_data(msg), blob_len(msg));
828
829 if (!tb[DEV_LINK_NAME])
830 return UBUS_STATUS_INVALID_ARGUMENT;
831
832 cur = tb[DEV_LINK_EXT];
833 if (cur)
834 link_ext = blobmsg_get_bool(cur);
835
836 return interface_handle_link(iface, blobmsg_data(tb[DEV_LINK_NAME]), add, link_ext);
837 }
838
839
840 static int
841 netifd_iface_notify_proto(struct ubus_context *ctx, struct ubus_object *obj,
842 struct ubus_request_data *req, const char *method,
843 struct blob_attr *msg)
844 {
845 struct interface *iface;
846
847 iface = container_of(obj, struct interface, ubus);
848
849 if (!iface->proto || !iface->proto->notify)
850 return UBUS_STATUS_NOT_SUPPORTED;
851
852 return iface->proto->notify(iface->proto, msg);
853 }
854
855 static void
856 netifd_iface_do_remove(struct uloop_timeout *timeout)
857 {
858 struct interface *iface;
859
860 iface = container_of(timeout, struct interface, remove_timer);
861 vlist_delete(&interfaces, &iface->node);
862 }
863
864 static int
865 netifd_iface_remove(struct ubus_context *ctx, struct ubus_object *obj,
866 struct ubus_request_data *req, const char *method,
867 struct blob_attr *msg)
868 {
869 struct interface *iface;
870
871 iface = container_of(obj, struct interface, ubus);
872 if (iface->remove_timer.cb)
873 return UBUS_STATUS_INVALID_ARGUMENT;
874
875 iface->remove_timer.cb = netifd_iface_do_remove;
876 uloop_timeout_set(&iface->remove_timer, 100);
877 return 0;
878 }
879
880 static int
881 netifd_handle_iface_prepare(struct ubus_context *ctx, struct ubus_object *obj,
882 struct ubus_request_data *req, const char *method,
883 struct blob_attr *msg)
884 {
885 struct interface *iface;
886 struct device *dev;
887 const struct device_hotplug_ops *ops;
888
889 iface = container_of(obj, struct interface, ubus);
890 dev = iface->main_dev.dev;
891 if (!dev)
892 return 0;
893
894 ops = dev->hotplug_ops;
895 if (!ops)
896 return 0;
897
898 return ops->prepare(dev);
899 }
900
901 static int
902 netifd_handle_set_data(struct ubus_context *ctx, struct ubus_object *obj,
903 struct ubus_request_data *req, const char *method,
904 struct blob_attr *msg)
905 {
906 struct interface *iface;
907
908 iface = container_of(obj, struct interface, ubus);
909
910 return interface_parse_data(iface, msg);
911 }
912
913 static struct ubus_method iface_object_methods[] = {
914 { .name = "up", .handler = netifd_handle_up },
915 { .name = "down", .handler = netifd_handle_down },
916 { .name = "status", .handler = netifd_handle_status },
917 { .name = "prepare", .handler = netifd_handle_iface_prepare },
918 { .name = "dump", .handler = netifd_handle_dump },
919 UBUS_METHOD("add_device", netifd_iface_handle_device, dev_link_policy ),
920 UBUS_METHOD("remove_device", netifd_iface_handle_device, dev_link_policy ),
921 { .name = "notify_proto", .handler = netifd_iface_notify_proto },
922 { .name = "remove", .handler = netifd_iface_remove },
923 { .name = "set_data", .handler = netifd_handle_set_data },
924 };
925
926 static struct ubus_object_type iface_object_type =
927 UBUS_OBJECT_TYPE("netifd_iface", iface_object_methods);
928
929
930 static struct ubus_object iface_object = {
931 .name = "network.interface",
932 .type = &iface_object_type,
933 .n_methods = ARRAY_SIZE(iface_object_methods),
934 };
935
936 static void netifd_add_object(struct ubus_object *obj)
937 {
938 int ret = ubus_add_object(ubus_ctx, obj);
939
940 if (ret != 0)
941 fprintf(stderr, "Failed to publish object '%s': %s\n", obj->name, ubus_strerror(ret));
942 }
943
944 static const struct blobmsg_policy iface_policy = {
945 .name = "interface",
946 .type = BLOBMSG_TYPE_STRING,
947 };
948
949 static int
950 netifd_handle_iface(struct ubus_context *ctx, struct ubus_object *obj,
951 struct ubus_request_data *req, const char *method,
952 struct blob_attr *msg)
953 {
954 struct interface *iface;
955 struct blob_attr *tb;
956 int i;
957
958 blobmsg_parse(&iface_policy, 1, &tb, blob_data(msg), blob_len(msg));
959 if (!tb)
960 return UBUS_STATUS_INVALID_ARGUMENT;
961
962 iface = vlist_find(&interfaces, blobmsg_data(tb), iface, node);
963 if (!iface)
964 return UBUS_STATUS_NOT_FOUND;
965
966 for (i = 0; i < ARRAY_SIZE(iface_object_methods); i++) {
967 ubus_handler_t cb;
968
969 if (strcmp(method, iface_object_methods[i].name) != 0)
970 continue;
971
972 cb = iface_object_methods[i].handler;
973 return cb(ctx, &iface->ubus, req, method, msg);
974 }
975
976 return UBUS_STATUS_INVALID_ARGUMENT;
977 }
978
979 static void netifd_add_iface_object(void)
980 {
981 struct ubus_method *methods;
982 int i;
983
984 methods = calloc(1, sizeof(iface_object_methods));
985 if (!methods)
986 return;
987
988 memcpy(methods, iface_object_methods, sizeof(iface_object_methods));
989 iface_object.methods = methods;
990
991 for (i = 0; i < ARRAY_SIZE(iface_object_methods); i++) {
992 if (methods[i].handler == netifd_handle_dump)
993 continue;
994
995 methods[i].handler = netifd_handle_iface;
996 methods[i].policy = &iface_policy;
997 methods[i].n_policy = 1;
998 }
999 netifd_add_object(&iface_object);
1000 }
1001
1002 static struct wireless_device *
1003 get_wdev(struct blob_attr *msg, int *ret)
1004 {
1005 struct blobmsg_policy wdev_policy = {
1006 .name = "device",
1007 .type = BLOBMSG_TYPE_STRING,
1008 };
1009 struct blob_attr *dev_attr;
1010 struct wireless_device *wdev = NULL;
1011
1012
1013 blobmsg_parse(&wdev_policy, 1, &dev_attr, blob_data(msg), blob_len(msg));
1014 if (!dev_attr) {
1015 *ret = UBUS_STATUS_INVALID_ARGUMENT;
1016 return NULL;
1017 }
1018
1019 wdev = vlist_find(&wireless_devices, blobmsg_data(dev_attr), wdev, node);
1020 if (!wdev) {
1021 *ret = UBUS_STATUS_NOT_FOUND;
1022 return NULL;
1023 }
1024
1025 *ret = 0;
1026 return wdev;
1027 }
1028
1029 static int
1030 netifd_handle_wdev_up(struct ubus_context *ctx, struct ubus_object *obj,
1031 struct ubus_request_data *req, const char *method,
1032 struct blob_attr *msg)
1033 {
1034 struct wireless_device *wdev;
1035 int ret;
1036
1037 wdev = get_wdev(msg, &ret);
1038 if (ret == UBUS_STATUS_NOT_FOUND)
1039 return ret;
1040
1041 if (wdev) {
1042 wireless_device_set_up(wdev);
1043 } else {
1044 vlist_for_each_element(&wireless_devices, wdev, node)
1045 wireless_device_set_up(wdev);
1046 }
1047
1048 return 0;
1049 }
1050
1051 static int
1052 netifd_handle_wdev_down(struct ubus_context *ctx, struct ubus_object *obj,
1053 struct ubus_request_data *req, const char *method,
1054 struct blob_attr *msg)
1055 {
1056 struct wireless_device *wdev;
1057 int ret;
1058
1059 wdev = get_wdev(msg, &ret);
1060 if (ret == UBUS_STATUS_NOT_FOUND)
1061 return ret;
1062
1063 if (wdev) {
1064 wireless_device_set_down(wdev);
1065 } else {
1066 vlist_for_each_element(&wireless_devices, wdev, node)
1067 wireless_device_set_down(wdev);
1068 }
1069
1070 return 0;
1071 }
1072
1073 static int
1074 netifd_handle_wdev_status(struct ubus_context *ctx, struct ubus_object *obj,
1075 struct ubus_request_data *req, const char *method,
1076 struct blob_attr *msg)
1077 {
1078 struct wireless_device *wdev;
1079 int ret;
1080
1081 wdev = get_wdev(msg, &ret);
1082 if (ret == UBUS_STATUS_NOT_FOUND)
1083 return ret;
1084
1085 blob_buf_init(&b, 0);
1086 if (wdev) {
1087 wireless_device_status(wdev, &b);
1088 } else {
1089 vlist_for_each_element(&wireless_devices, wdev, node)
1090 wireless_device_status(wdev, &b);
1091 }
1092 ubus_send_reply(ctx, req, b.head);
1093 return 0;
1094 }
1095
1096 static int
1097 netifd_handle_wdev_get_validate(struct ubus_context *ctx, struct ubus_object *obj,
1098 struct ubus_request_data *req, const char *method,
1099 struct blob_attr *msg)
1100 {
1101 struct wireless_device *wdev;
1102 int ret;
1103
1104 wdev = get_wdev(msg, &ret);
1105 if (ret == UBUS_STATUS_NOT_FOUND)
1106 return ret;
1107
1108 blob_buf_init(&b, 0);
1109 if (wdev) {
1110 wireless_device_get_validate(wdev, &b);
1111 } else {
1112 vlist_for_each_element(&wireless_devices, wdev, node)
1113 wireless_device_get_validate(wdev, &b);
1114 }
1115 ubus_send_reply(ctx, req, b.head);
1116 return 0;
1117 }
1118
1119 static int
1120 netifd_handle_wdev_notify(struct ubus_context *ctx, struct ubus_object *obj,
1121 struct ubus_request_data *req, const char *method,
1122 struct blob_attr *msg)
1123 {
1124 struct wireless_device *wdev;
1125 int ret;
1126
1127 wdev = get_wdev(msg, &ret);
1128 if (!wdev)
1129 return ret;
1130
1131 return wireless_device_notify(wdev, msg, req);
1132 }
1133
1134 static struct ubus_method wireless_object_methods[] = {
1135 { .name = "up", .handler = netifd_handle_wdev_up },
1136 { .name = "down", .handler = netifd_handle_wdev_down },
1137 { .name = "status", .handler = netifd_handle_wdev_status },
1138 { .name = "notify", .handler = netifd_handle_wdev_notify },
1139 { .name = "get_validate", .handler = netifd_handle_wdev_get_validate },
1140 };
1141
1142 static struct ubus_object_type wireless_object_type =
1143 UBUS_OBJECT_TYPE("netifd_iface", wireless_object_methods);
1144
1145
1146 static struct ubus_object wireless_object = {
1147 .name = "network.wireless",
1148 .type = &wireless_object_type,
1149 .methods = wireless_object_methods,
1150 .n_methods = ARRAY_SIZE(wireless_object_methods),
1151 };
1152
1153 int
1154 netifd_ubus_init(const char *path)
1155 {
1156 uloop_init();
1157 ubus_path = path;
1158
1159 ubus_ctx = ubus_connect(path);
1160 if (!ubus_ctx)
1161 return -EIO;
1162
1163 DPRINTF("connected as %08x\n", ubus_ctx->local_id);
1164 ubus_ctx->connection_lost = netifd_ubus_connection_lost;
1165 netifd_ubus_add_fd();
1166
1167 netifd_add_object(&main_object);
1168 netifd_add_object(&dev_object);
1169 netifd_add_object(&wireless_object);
1170 netifd_add_iface_object();
1171
1172 return 0;
1173 }
1174
1175 void
1176 netifd_ubus_done(void)
1177 {
1178 ubus_free(ubus_ctx);
1179 }
1180
1181 void
1182 netifd_ubus_interface_event(struct interface *iface, bool up)
1183 {
1184 blob_buf_init(&b, 0);
1185 blobmsg_add_string(&b, "action", up ? "ifup" : "ifdown");
1186 blobmsg_add_string(&b, "interface", iface->name);
1187 ubus_send_event(ubus_ctx, "network.interface", b.head);
1188 }
1189
1190 void
1191 netifd_ubus_interface_notify(struct interface *iface, bool up)
1192 {
1193 const char *event = (up) ? "interface.update" : "interface.down";
1194 blob_buf_init(&b, 0);
1195 blobmsg_add_string(&b, "interface", iface->name);
1196 netifd_dump_status(iface);
1197 ubus_notify(ubus_ctx, &iface_object, event, b.head, -1);
1198 ubus_notify(ubus_ctx, &iface->ubus, event, b.head, -1);
1199 }
1200
1201 void
1202 netifd_ubus_add_interface(struct interface *iface)
1203 {
1204 struct ubus_object *obj = &iface->ubus;
1205 char *name = NULL;
1206
1207 if (asprintf(&name, "%s.interface.%s", main_object.name, iface->name) == -1)
1208 return;
1209
1210 obj->name = name;
1211 obj->type = &iface_object_type;
1212 obj->methods = iface_object_methods;
1213 obj->n_methods = ARRAY_SIZE(iface_object_methods);
1214 if (ubus_add_object(ubus_ctx, &iface->ubus)) {
1215 DPRINTF("failed to publish ubus object for interface '%s'\n", iface->name);
1216 free(name);
1217 obj->name = NULL;
1218 }
1219 }
1220
1221 void
1222 netifd_ubus_remove_interface(struct interface *iface)
1223 {
1224 if (!iface->ubus.name)
1225 return;
1226
1227 ubus_remove_object(ubus_ctx, &iface->ubus);
1228 free((void *) iface->ubus.name);
1229 }
OpenWrt Network interface configuration daemon