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system-linux: parse vti specific settings as nested json data object
[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, bool enabled)
406 {
407 struct device_addr *addr;
408 char *buf;
409 void *a;
410 int buflen = 128;
411 int af;
412
413 time_t now = system_get_rtime();
414 vlist_for_each_element(&ip->addr, addr, node) {
415 if (addr->enabled != enabled)
416 continue;
417
418 if ((addr->flags & DEVADDR_FAMILY) == DEVADDR_INET4)
419 af = AF_INET;
420 else
421 af = AF_INET6;
422
423 if (af != (v6 ? AF_INET6 : AF_INET))
424 continue;
425
426 a = blobmsg_open_table(&b, NULL);
427
428 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
429 inet_ntop(af, &addr->addr, buf, buflen);
430 blobmsg_add_string_buffer(&b);
431
432 blobmsg_add_u32(&b, "mask", addr->mask);
433
434 if (addr->preferred_until) {
435 int preferred = addr->preferred_until - now;
436 if (preferred < 0)
437 preferred = 0;
438 blobmsg_add_u32(&b, "preferred", preferred);
439 }
440
441 if (addr->valid_until)
442 blobmsg_add_u32(&b, "valid", addr->valid_until - now);
443
444 if (addr->pclass)
445 blobmsg_add_string(&b, "class", addr->pclass);
446
447 blobmsg_close_table(&b, a);
448 }
449 }
450
451 static void
452 interface_ip_dump_route_list(struct interface_ip_settings *ip, bool enabled)
453 {
454 struct device_route *route;
455 int buflen = 128;
456 char *buf;
457 void *r;
458 int af;
459
460 time_t now = system_get_rtime();
461 vlist_for_each_element(&ip->route, route, node) {
462 if (route->enabled != enabled)
463 continue;
464
465 if ((ip->no_defaultroute == enabled) && !route->mask)
466 continue;
467
468 if ((route->flags & DEVADDR_FAMILY) == DEVADDR_INET4)
469 af = AF_INET;
470 else
471 af = AF_INET6;
472
473 r = blobmsg_open_table(&b, NULL);
474
475 buf = blobmsg_alloc_string_buffer(&b, "target", buflen);
476 inet_ntop(af, &route->addr, buf, buflen);
477 blobmsg_add_string_buffer(&b);
478
479 blobmsg_add_u32(&b, "mask", route->mask);
480
481 buf = blobmsg_alloc_string_buffer(&b, "nexthop", buflen);
482 inet_ntop(af, &route->nexthop, buf, buflen);
483 blobmsg_add_string_buffer(&b);
484
485 if (route->flags & DEVROUTE_TYPE)
486 blobmsg_add_u32(&b, "type", route->type);
487
488 if (route->flags & DEVROUTE_PROTO)
489 blobmsg_add_u32(&b, "proto", route->proto);
490
491 if (route->flags & DEVROUTE_MTU)
492 blobmsg_add_u32(&b, "mtu", route->mtu);
493
494 if (route->flags & DEVROUTE_METRIC)
495 blobmsg_add_u32(&b, "metric", route->metric);
496
497 if (route->flags & DEVROUTE_TABLE)
498 blobmsg_add_u32(&b, "table", route->table);
499
500 if (route->valid_until)
501 blobmsg_add_u32(&b, "valid", route->valid_until - now);
502
503 buf = blobmsg_alloc_string_buffer(&b, "source", buflen);
504 inet_ntop(af, &route->source, buf, buflen);
505 snprintf(buf + strlen(buf), buflen - strlen(buf), "/%u", route->sourcemask);
506 blobmsg_add_string_buffer(&b);
507
508 blobmsg_close_table(&b, r);
509 }
510 }
511
512
513 static void
514 interface_ip_dump_prefix_list(struct interface_ip_settings *ip)
515 {
516 struct device_prefix *prefix;
517 char *buf;
518 void *a, *c;
519 const int buflen = INET6_ADDRSTRLEN;
520
521 time_t now = system_get_rtime();
522 vlist_for_each_element(&ip->prefix, prefix, node) {
523 a = blobmsg_open_table(&b, NULL);
524
525 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
526 inet_ntop(AF_INET6, &prefix->addr, buf, buflen);
527 blobmsg_add_string_buffer(&b);
528
529 blobmsg_add_u32(&b, "mask", prefix->length);
530
531 if (prefix->preferred_until) {
532 int preferred = prefix->preferred_until - now;
533 if (preferred < 0)
534 preferred = 0;
535 blobmsg_add_u32(&b, "preferred", preferred);
536 }
537
538 if (prefix->valid_until)
539 blobmsg_add_u32(&b, "valid", prefix->valid_until - now);
540
541 blobmsg_add_string(&b, "class", prefix->pclass);
542
543 c = blobmsg_open_table(&b, "assigned");
544 struct device_prefix_assignment *assign;
545 list_for_each_entry(assign, &prefix->assignments, head) {
546 if (!assign->name[0])
547 continue;
548
549 struct in6_addr addr = prefix->addr;
550 addr.s6_addr32[1] |= htonl(assign->assigned);
551
552 void *d = blobmsg_open_table(&b, assign->name);
553
554 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
555 inet_ntop(AF_INET6, &addr, buf, buflen);
556 blobmsg_add_string_buffer(&b);
557
558 blobmsg_add_u32(&b, "mask", assign->length);
559
560 blobmsg_close_table(&b, d);
561 }
562 blobmsg_close_table(&b, c);
563
564 blobmsg_close_table(&b, a);
565 }
566 }
567
568
569 static void
570 interface_ip_dump_prefix_assignment_list(struct interface *iface)
571 {
572 void *a;
573 char *buf;
574 const int buflen = INET6_ADDRSTRLEN;
575 time_t now = system_get_rtime();
576
577 struct device_prefix *prefix;
578 list_for_each_entry(prefix, &prefixes, head) {
579 struct device_prefix_assignment *assign;
580 list_for_each_entry(assign, &prefix->assignments, head) {
581 if (strcmp(assign->name, iface->name))
582 continue;
583
584 struct in6_addr addr = prefix->addr;
585 addr.s6_addr32[1] |= htonl(assign->assigned);
586
587 a = blobmsg_open_table(&b, NULL);
588
589 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
590 inet_ntop(AF_INET6, &addr, buf, buflen);
591 blobmsg_add_string_buffer(&b);
592
593 blobmsg_add_u32(&b, "mask", assign->length);
594
595 if (prefix->preferred_until) {
596 int preferred = prefix->preferred_until - now;
597 if (preferred < 0)
598 preferred = 0;
599 blobmsg_add_u32(&b, "preferred", preferred);
600 }
601
602 if (prefix->valid_until)
603 blobmsg_add_u32(&b, "valid", prefix->valid_until - now);
604
605 void *c = blobmsg_open_table(&b, "local-address");
606 if (assign->enabled) {
607 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
608 inet_ntop(AF_INET6, &assign->addr, buf, buflen);
609 blobmsg_add_string_buffer(&b);
610
611 blobmsg_add_u32(&b, "mask", assign->length < 64 ? 64 : assign->length);
612 }
613 blobmsg_close_table(&b, c);
614
615 blobmsg_close_table(&b, a);
616 }
617 }
618 }
619
620 static void
621 interface_ip_dump_dns_server_list(struct interface_ip_settings *ip, bool enabled)
622 {
623 struct dns_server *dns;
624 int buflen = 128;
625 char *buf;
626
627 vlist_simple_for_each_element(&ip->dns_servers, dns, node) {
628 if (ip->no_dns == enabled)
629 continue;
630
631 buf = blobmsg_alloc_string_buffer(&b, NULL, buflen);
632 inet_ntop(dns->af, &dns->addr, buf, buflen);
633 blobmsg_add_string_buffer(&b);
634 }
635 }
636
637 static void
638 interface_ip_dump_dns_search_list(struct interface_ip_settings *ip, bool enabled)
639 {
640 struct dns_search_domain *dns;
641
642 vlist_simple_for_each_element(&ip->dns_search, dns, node) {
643 if (ip->no_dns == enabled)
644 continue;
645
646 blobmsg_add_string(&b, NULL, dns->name);
647 }
648 }
649
650 static void
651 netifd_dump_status(struct interface *iface)
652 {
653 struct interface_data *data;
654 struct device *dev;
655 void *a, *inactive;
656
657 blobmsg_add_u8(&b, "up", iface->state == IFS_UP);
658 blobmsg_add_u8(&b, "pending", iface->state == IFS_SETUP);
659 blobmsg_add_u8(&b, "available", iface->available);
660 blobmsg_add_u8(&b, "autostart", iface->autostart);
661 blobmsg_add_u8(&b, "dynamic", iface->dynamic);
662
663 if (iface->state == IFS_UP) {
664 time_t cur = system_get_rtime();
665 blobmsg_add_u32(&b, "uptime", cur - iface->start_time);
666 if (iface->l3_dev.dev)
667 blobmsg_add_string(&b, "l3_device", iface->l3_dev.dev->ifname);
668 }
669
670 if (iface->proto_handler)
671 blobmsg_add_string(&b, "proto", iface->proto_handler->name);
672
673 dev = iface->main_dev.dev;
674 if (dev && !dev->hidden && iface->proto_handler &&
675 !(iface->proto_handler->flags & PROTO_FLAG_NODEV))
676 blobmsg_add_string(&b, "device", dev->ifname);
677
678 if (iface->state == IFS_UP) {
679 if (iface->updated) {
680 a = blobmsg_open_array(&b, "updated");
681
682 if (iface->updated & IUF_ADDRESS)
683 blobmsg_add_string(&b, NULL, "addresses");
684 if (iface->updated & IUF_ROUTE)
685 blobmsg_add_string(&b, NULL, "routes");
686 if (iface->updated & IUF_PREFIX)
687 blobmsg_add_string(&b, NULL, "prefixes");
688 if (iface->updated & IUF_DATA)
689 blobmsg_add_string(&b, NULL, "data");
690
691 blobmsg_close_array(&b, a);
692 }
693
694 if (iface->ip4table)
695 blobmsg_add_u32(&b, "ip4table", iface->ip4table);
696 if (iface->ip6table)
697 blobmsg_add_u32(&b, "ip6table", iface->ip6table);
698 blobmsg_add_u32(&b, "metric", iface->metric);
699 blobmsg_add_u32(&b, "dns_metric", iface->dns_metric);
700 blobmsg_add_u8(&b, "delegation", !iface->proto_ip.no_delegation);
701 if (iface->assignment_weight)
702 blobmsg_add_u32(&b, "ip6weight", iface->assignment_weight);
703 a = blobmsg_open_array(&b, "ipv4-address");
704 interface_ip_dump_address_list(&iface->config_ip, false, true);
705 interface_ip_dump_address_list(&iface->proto_ip, false, true);
706 blobmsg_close_array(&b, a);
707 a = blobmsg_open_array(&b, "ipv6-address");
708 interface_ip_dump_address_list(&iface->config_ip, true, true);
709 interface_ip_dump_address_list(&iface->proto_ip, true, true);
710 blobmsg_close_array(&b, a);
711 a = blobmsg_open_array(&b, "ipv6-prefix");
712 interface_ip_dump_prefix_list(&iface->config_ip);
713 interface_ip_dump_prefix_list(&iface->proto_ip);
714 blobmsg_close_array(&b, a);
715 a = blobmsg_open_array(&b, "ipv6-prefix-assignment");
716 interface_ip_dump_prefix_assignment_list(iface);
717 blobmsg_close_array(&b, a);
718 a = blobmsg_open_array(&b, "route");
719 interface_ip_dump_route_list(&iface->config_ip, true);
720 interface_ip_dump_route_list(&iface->proto_ip, true);
721 blobmsg_close_array(&b, a);
722 a = blobmsg_open_array(&b, "dns-server");
723 interface_ip_dump_dns_server_list(&iface->config_ip, true);
724 interface_ip_dump_dns_server_list(&iface->proto_ip, true);
725 blobmsg_close_array(&b, a);
726 a = blobmsg_open_array(&b, "dns-search");
727 interface_ip_dump_dns_search_list(&iface->config_ip, true);
728 interface_ip_dump_dns_search_list(&iface->proto_ip, true);
729 blobmsg_close_array(&b, a);
730
731 inactive = blobmsg_open_table(&b, "inactive");
732 a = blobmsg_open_array(&b, "ipv4-address");
733 interface_ip_dump_address_list(&iface->config_ip, false, false);
734 interface_ip_dump_address_list(&iface->proto_ip, false, false);
735 blobmsg_close_array(&b, a);
736 a = blobmsg_open_array(&b, "ipv6-address");
737 interface_ip_dump_address_list(&iface->config_ip, true, false);
738 interface_ip_dump_address_list(&iface->proto_ip, true, false);
739 blobmsg_close_array(&b, a);
740 a = blobmsg_open_array(&b, "route");
741 interface_ip_dump_route_list(&iface->config_ip, false);
742 interface_ip_dump_route_list(&iface->proto_ip, false);
743 blobmsg_close_array(&b, a);
744 a = blobmsg_open_array(&b, "dns-server");
745 interface_ip_dump_dns_server_list(&iface->config_ip, false);
746 interface_ip_dump_dns_server_list(&iface->proto_ip, false);
747 blobmsg_close_array(&b, a);
748 a = blobmsg_open_array(&b, "dns-search");
749 interface_ip_dump_dns_search_list(&iface->config_ip, false);
750 interface_ip_dump_dns_search_list(&iface->proto_ip, false);
751 blobmsg_close_array(&b, a);
752 blobmsg_close_table(&b, inactive);
753 }
754
755 a = blobmsg_open_table(&b, "data");
756 avl_for_each_element(&iface->data, data, node)
757 blobmsg_add_blob(&b, data->data);
758
759 blobmsg_close_table(&b, a);
760
761 if (!list_empty(&iface->errors))
762 netifd_add_interface_errors(&b, iface);
763 }
764
765 static int
766 netifd_handle_status(struct ubus_context *ctx, struct ubus_object *obj,
767 struct ubus_request_data *req, const char *method,
768 struct blob_attr *msg)
769 {
770 struct interface *iface = container_of(obj, struct interface, ubus);
771
772 blob_buf_init(&b, 0);
773 netifd_dump_status(iface);
774 ubus_send_reply(ctx, req, b.head);
775
776 return 0;
777 }
778
779
780 static int
781 netifd_handle_dump(struct ubus_context *ctx, struct ubus_object *obj,
782 struct ubus_request_data *req, const char *method,
783 struct blob_attr *msg)
784 {
785 blob_buf_init(&b, 0);
786 void *a = blobmsg_open_array(&b, "interface");
787
788 struct interface *iface;
789 vlist_for_each_element(&interfaces, iface, node) {
790 void *i = blobmsg_open_table(&b, NULL);
791 blobmsg_add_string(&b, "interface", iface->name);
792 netifd_dump_status(iface);
793 blobmsg_close_table(&b, i);
794 }
795
796 blobmsg_close_array(&b, a);
797 ubus_send_reply(ctx, req, b.head);
798
799 return 0;
800 }
801
802 enum {
803 DEV_LINK_NAME,
804 DEV_LINK_EXT,
805 __DEV_LINK_MAX,
806 };
807
808 static const struct blobmsg_policy dev_link_policy[__DEV_LINK_MAX] = {
809 [DEV_LINK_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
810 [DEV_LINK_EXT] = { .name = "link-ext", .type = BLOBMSG_TYPE_BOOL },
811 };
812
813 static int
814 netifd_iface_handle_device(struct ubus_context *ctx, struct ubus_object *obj,
815 struct ubus_request_data *req, const char *method,
816 struct blob_attr *msg)
817 {
818 struct blob_attr *tb[__DEV_LINK_MAX];
819 struct blob_attr *cur;
820 struct interface *iface;
821 bool add = !strncmp(method, "add", 3);
822 bool link_ext = true;
823
824 iface = container_of(obj, struct interface, ubus);
825
826 blobmsg_parse(dev_link_policy, __DEV_LINK_MAX, tb, blob_data(msg), blob_len(msg));
827
828 if (!tb[DEV_LINK_NAME])
829 return UBUS_STATUS_INVALID_ARGUMENT;
830
831 cur = tb[DEV_LINK_EXT];
832 if (cur)
833 link_ext = blobmsg_get_bool(cur);
834
835 return interface_handle_link(iface, blobmsg_data(tb[DEV_LINK_NAME]), add, link_ext);
836 }
837
838
839 static int
840 netifd_iface_notify_proto(struct ubus_context *ctx, struct ubus_object *obj,
841 struct ubus_request_data *req, const char *method,
842 struct blob_attr *msg)
843 {
844 struct interface *iface;
845
846 iface = container_of(obj, struct interface, ubus);
847
848 if (!iface->proto || !iface->proto->notify)
849 return UBUS_STATUS_NOT_SUPPORTED;
850
851 return iface->proto->notify(iface->proto, msg);
852 }
853
854 static void
855 netifd_iface_do_remove(struct uloop_timeout *timeout)
856 {
857 struct interface *iface;
858
859 iface = container_of(timeout, struct interface, remove_timer);
860 vlist_delete(&interfaces, &iface->node);
861 }
862
863 static int
864 netifd_iface_remove(struct ubus_context *ctx, struct ubus_object *obj,
865 struct ubus_request_data *req, const char *method,
866 struct blob_attr *msg)
867 {
868 struct interface *iface;
869
870 iface = container_of(obj, struct interface, ubus);
871 if (iface->remove_timer.cb)
872 return UBUS_STATUS_INVALID_ARGUMENT;
873
874 iface->remove_timer.cb = netifd_iface_do_remove;
875 uloop_timeout_set(&iface->remove_timer, 100);
876 return 0;
877 }
878
879 static int
880 netifd_handle_iface_prepare(struct ubus_context *ctx, struct ubus_object *obj,
881 struct ubus_request_data *req, const char *method,
882 struct blob_attr *msg)
883 {
884 struct interface *iface;
885 struct device *dev;
886 const struct device_hotplug_ops *ops;
887
888 iface = container_of(obj, struct interface, ubus);
889 dev = iface->main_dev.dev;
890 if (!dev)
891 return 0;
892
893 ops = dev->hotplug_ops;
894 if (!ops)
895 return 0;
896
897 return ops->prepare(dev);
898 }
899
900 static int
901 netifd_handle_set_data(struct ubus_context *ctx, struct ubus_object *obj,
902 struct ubus_request_data *req, const char *method,
903 struct blob_attr *msg)
904 {
905 struct interface *iface;
906
907 iface = container_of(obj, struct interface, ubus);
908
909 return interface_parse_data(iface, msg);
910 }
911
912 static struct ubus_method iface_object_methods[] = {
913 { .name = "up", .handler = netifd_handle_up },
914 { .name = "down", .handler = netifd_handle_down },
915 { .name = "status", .handler = netifd_handle_status },
916 { .name = "prepare", .handler = netifd_handle_iface_prepare },
917 { .name = "dump", .handler = netifd_handle_dump },
918 UBUS_METHOD("add_device", netifd_iface_handle_device, dev_link_policy ),
919 UBUS_METHOD("remove_device", netifd_iface_handle_device, dev_link_policy ),
920 { .name = "notify_proto", .handler = netifd_iface_notify_proto },
921 { .name = "remove", .handler = netifd_iface_remove },
922 { .name = "set_data", .handler = netifd_handle_set_data },
923 };
924
925 static struct ubus_object_type iface_object_type =
926 UBUS_OBJECT_TYPE("netifd_iface", iface_object_methods);
927
928
929 static struct ubus_object iface_object = {
930 .name = "network.interface",
931 .type = &iface_object_type,
932 .n_methods = ARRAY_SIZE(iface_object_methods),
933 };
934
935 static void netifd_add_object(struct ubus_object *obj)
936 {
937 int ret = ubus_add_object(ubus_ctx, obj);
938
939 if (ret != 0)
940 fprintf(stderr, "Failed to publish object '%s': %s\n", obj->name, ubus_strerror(ret));
941 }
942
943 static const struct blobmsg_policy iface_policy = {
944 .name = "interface",
945 .type = BLOBMSG_TYPE_STRING,
946 };
947
948 static int
949 netifd_handle_iface(struct ubus_context *ctx, struct ubus_object *obj,
950 struct ubus_request_data *req, const char *method,
951 struct blob_attr *msg)
952 {
953 struct interface *iface;
954 struct blob_attr *tb;
955 int i;
956
957 blobmsg_parse(&iface_policy, 1, &tb, blob_data(msg), blob_len(msg));
958 if (!tb)
959 return UBUS_STATUS_INVALID_ARGUMENT;
960
961 iface = vlist_find(&interfaces, blobmsg_data(tb), iface, node);
962 if (!iface)
963 return UBUS_STATUS_NOT_FOUND;
964
965 for (i = 0; i < ARRAY_SIZE(iface_object_methods); i++) {
966 ubus_handler_t cb;
967
968 if (strcmp(method, iface_object_methods[i].name) != 0)
969 continue;
970
971 cb = iface_object_methods[i].handler;
972 return cb(ctx, &iface->ubus, req, method, msg);
973 }
974
975 return UBUS_STATUS_INVALID_ARGUMENT;
976 }
977
978 static void netifd_add_iface_object(void)
979 {
980 struct ubus_method *methods;
981 int i;
982
983 methods = calloc(1, sizeof(iface_object_methods));
984 if (!methods)
985 return;
986
987 memcpy(methods, iface_object_methods, sizeof(iface_object_methods));
988 iface_object.methods = methods;
989
990 for (i = 0; i < ARRAY_SIZE(iface_object_methods); i++) {
991 if (methods[i].handler == netifd_handle_dump)
992 continue;
993
994 methods[i].handler = netifd_handle_iface;
995 methods[i].policy = &iface_policy;
996 methods[i].n_policy = 1;
997 }
998 netifd_add_object(&iface_object);
999 }
1000
1001 static struct wireless_device *
1002 get_wdev(struct blob_attr *msg, int *ret)
1003 {
1004 struct blobmsg_policy wdev_policy = {
1005 .name = "device",
1006 .type = BLOBMSG_TYPE_STRING,
1007 };
1008 struct blob_attr *dev_attr;
1009 struct wireless_device *wdev = NULL;
1010
1011
1012 blobmsg_parse(&wdev_policy, 1, &dev_attr, blob_data(msg), blob_len(msg));
1013 if (!dev_attr) {
1014 *ret = UBUS_STATUS_INVALID_ARGUMENT;
1015 return NULL;
1016 }
1017
1018 wdev = vlist_find(&wireless_devices, blobmsg_data(dev_attr), wdev, node);
1019 if (!wdev) {
1020 *ret = UBUS_STATUS_NOT_FOUND;
1021 return NULL;
1022 }
1023
1024 *ret = 0;
1025 return wdev;
1026 }
1027
1028 static int
1029 netifd_handle_wdev_up(struct ubus_context *ctx, struct ubus_object *obj,
1030 struct ubus_request_data *req, const char *method,
1031 struct blob_attr *msg)
1032 {
1033 struct wireless_device *wdev;
1034 int ret;
1035
1036 wdev = get_wdev(msg, &ret);
1037 if (ret == UBUS_STATUS_NOT_FOUND)
1038 return ret;
1039
1040 if (wdev) {
1041 wireless_device_set_up(wdev);
1042 } else {
1043 vlist_for_each_element(&wireless_devices, wdev, node)
1044 wireless_device_set_up(wdev);
1045 }
1046
1047 return 0;
1048 }
1049
1050 static int
1051 netifd_handle_wdev_down(struct ubus_context *ctx, struct ubus_object *obj,
1052 struct ubus_request_data *req, const char *method,
1053 struct blob_attr *msg)
1054 {
1055 struct wireless_device *wdev;
1056 int ret;
1057
1058 wdev = get_wdev(msg, &ret);
1059 if (ret == UBUS_STATUS_NOT_FOUND)
1060 return ret;
1061
1062 if (wdev) {
1063 wireless_device_set_down(wdev);
1064 } else {
1065 vlist_for_each_element(&wireless_devices, wdev, node)
1066 wireless_device_set_down(wdev);
1067 }
1068
1069 return 0;
1070 }
1071
1072 static int
1073 netifd_handle_wdev_status(struct ubus_context *ctx, struct ubus_object *obj,
1074 struct ubus_request_data *req, const char *method,
1075 struct blob_attr *msg)
1076 {
1077 struct wireless_device *wdev;
1078 int ret;
1079
1080 wdev = get_wdev(msg, &ret);
1081 if (ret == UBUS_STATUS_NOT_FOUND)
1082 return ret;
1083
1084 blob_buf_init(&b, 0);
1085 if (wdev) {
1086 wireless_device_status(wdev, &b);
1087 } else {
1088 vlist_for_each_element(&wireless_devices, wdev, node)
1089 wireless_device_status(wdev, &b);
1090 }
1091 ubus_send_reply(ctx, req, b.head);
1092 return 0;
1093 }
1094
1095 static int
1096 netifd_handle_wdev_get_validate(struct ubus_context *ctx, struct ubus_object *obj,
1097 struct ubus_request_data *req, const char *method,
1098 struct blob_attr *msg)
1099 {
1100 struct wireless_device *wdev;
1101 int ret;
1102
1103 wdev = get_wdev(msg, &ret);
1104 if (ret == UBUS_STATUS_NOT_FOUND)
1105 return ret;
1106
1107 blob_buf_init(&b, 0);
1108 if (wdev) {
1109 wireless_device_get_validate(wdev, &b);
1110 } else {
1111 vlist_for_each_element(&wireless_devices, wdev, node)
1112 wireless_device_get_validate(wdev, &b);
1113 }
1114 ubus_send_reply(ctx, req, b.head);
1115 return 0;
1116 }
1117
1118 static int
1119 netifd_handle_wdev_notify(struct ubus_context *ctx, struct ubus_object *obj,
1120 struct ubus_request_data *req, const char *method,
1121 struct blob_attr *msg)
1122 {
1123 struct wireless_device *wdev;
1124 int ret;
1125
1126 wdev = get_wdev(msg, &ret);
1127 if (!wdev)
1128 return ret;
1129
1130 return wireless_device_notify(wdev, msg, req);
1131 }
1132
1133 static struct ubus_method wireless_object_methods[] = {
1134 { .name = "up", .handler = netifd_handle_wdev_up },
1135 { .name = "down", .handler = netifd_handle_wdev_down },
1136 { .name = "status", .handler = netifd_handle_wdev_status },
1137 { .name = "notify", .handler = netifd_handle_wdev_notify },
1138 { .name = "get_validate", .handler = netifd_handle_wdev_get_validate },
1139 };
1140
1141 static struct ubus_object_type wireless_object_type =
1142 UBUS_OBJECT_TYPE("netifd_iface", wireless_object_methods);
1143
1144
1145 static struct ubus_object wireless_object = {
1146 .name = "network.wireless",
1147 .type = &wireless_object_type,
1148 .methods = wireless_object_methods,
1149 .n_methods = ARRAY_SIZE(wireless_object_methods),
1150 };
1151
1152 int
1153 netifd_ubus_init(const char *path)
1154 {
1155 uloop_init();
1156 ubus_path = path;
1157
1158 ubus_ctx = ubus_connect(path);
1159 if (!ubus_ctx)
1160 return -EIO;
1161
1162 DPRINTF("connected as %08x\n", ubus_ctx->local_id);
1163 ubus_ctx->connection_lost = netifd_ubus_connection_lost;
1164 netifd_ubus_add_fd();
1165
1166 netifd_add_object(&main_object);
1167 netifd_add_object(&dev_object);
1168 netifd_add_object(&wireless_object);
1169 netifd_add_iface_object();
1170
1171 return 0;
1172 }
1173
1174 void
1175 netifd_ubus_done(void)
1176 {
1177 ubus_free(ubus_ctx);
1178 }
1179
1180 void
1181 netifd_ubus_interface_event(struct interface *iface, bool up)
1182 {
1183 blob_buf_init(&b, 0);
1184 blobmsg_add_string(&b, "action", up ? "ifup" : "ifdown");
1185 blobmsg_add_string(&b, "interface", iface->name);
1186 ubus_send_event(ubus_ctx, "network.interface", b.head);
1187 }
1188
1189 void
1190 netifd_ubus_interface_notify(struct interface *iface, bool up)
1191 {
1192 const char *event = (up) ? "interface.update" : "interface.down";
1193 blob_buf_init(&b, 0);
1194 blobmsg_add_string(&b, "interface", iface->name);
1195 netifd_dump_status(iface);
1196 ubus_notify(ubus_ctx, &iface_object, event, b.head, -1);
1197 ubus_notify(ubus_ctx, &iface->ubus, event, b.head, -1);
1198 }
1199
1200 void
1201 netifd_ubus_add_interface(struct interface *iface)
1202 {
1203 struct ubus_object *obj = &iface->ubus;
1204 char *name = NULL;
1205
1206 if (asprintf(&name, "%s.interface.%s", main_object.name, iface->name) == -1)
1207 return;
1208
1209 obj->name = name;
1210 obj->type = &iface_object_type;
1211 obj->methods = iface_object_methods;
1212 obj->n_methods = ARRAY_SIZE(iface_object_methods);
1213 if (ubus_add_object(ubus_ctx, &iface->ubus)) {
1214 DPRINTF("failed to publish ubus object for interface '%s'\n", iface->name);
1215 free(name);
1216 obj->name = NULL;
1217 }
1218 }
1219
1220 void
1221 netifd_ubus_remove_interface(struct interface *iface)
1222 {
1223 if (!iface->ubus.name)
1224 return;
1225
1226 ubus_remove_object(ubus_ctx, &iface->ubus);
1227 free((void *) iface->ubus.name);
1228 }
OpenWrt Network interface configuration daemon