2 * netifd - network interface daemon
3 * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
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
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.
16 #include <arpa/inet.h>
21 #include "interface.h"
26 static struct ubus_context *ctx = NULL;
27 static struct blob_buf b;
28 static struct netifd_fd ubus_fd;
33 netifd_handle_restart(struct ubus_context *ctx, struct ubus_object *obj,
34 struct ubus_request_data *req, const char *method,
35 struct blob_attr *msg)
42 netifd_handle_reload(struct ubus_context *ctx, struct ubus_object *obj,
43 struct ubus_request_data *req, const char *method,
44 struct blob_attr *msg)
56 static const struct blobmsg_policy route_policy[__HR_MAX] = {
57 [HR_TARGET] = { .name = "target", .type = BLOBMSG_TYPE_STRING },
58 [HR_V6] = { .name = "v6", .type = BLOBMSG_TYPE_BOOL },
62 netifd_add_host_route(struct ubus_context *ctx, struct ubus_object *obj,
63 struct ubus_request_data *req, const char *method,
64 struct blob_attr *msg)
66 struct blob_attr *tb[__HR_MAX];
67 struct interface *iface;
71 blobmsg_parse(route_policy, __HR_MAX, tb, blob_data(msg), blob_len(msg));
73 return UBUS_STATUS_INVALID_ARGUMENT;
76 v6 = blobmsg_get_bool(tb[HR_V6]);
78 memset(&a, 0, sizeof(a));
79 if (!inet_pton(v6 ? AF_INET6 : AF_INET, blobmsg_data(tb[HR_TARGET]), &a))
80 return UBUS_STATUS_INVALID_ARGUMENT;
83 iface = interface_ip_add_target_route(&a, v6);
85 return UBUS_STATUS_NOT_FOUND;
88 blobmsg_add_string(&b, "interface", iface->name);
89 ubus_send_reply(ctx, req, b.head);
94 static struct ubus_method main_object_methods[] = {
95 { .name = "restart", .handler = netifd_handle_restart },
96 { .name = "reload", .handler = netifd_handle_reload },
97 UBUS_METHOD("add_host_route", netifd_add_host_route, route_policy),
100 static struct ubus_object_type main_object_type =
101 UBUS_OBJECT_TYPE("netifd", main_object_methods);
103 static struct ubus_object main_object = {
105 .type = &main_object_type,
106 .methods = main_object_methods,
107 .n_methods = ARRAY_SIZE(main_object_methods),
115 static const struct blobmsg_policy dev_policy[__DEV_MAX] = {
116 [DEV_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
120 netifd_dev_status(struct ubus_context *ctx, struct ubus_object *obj,
121 struct ubus_request_data *req, const char *method,
122 struct blob_attr *msg)
124 struct device *dev = NULL;
125 struct blob_attr *tb[__DEV_MAX];
127 blobmsg_parse(dev_policy, __DEV_MAX, tb, blob_data(msg), blob_len(msg));
130 dev = device_get(blobmsg_data(tb[DEV_NAME]), false);
132 return UBUS_STATUS_INVALID_ARGUMENT;
135 blob_buf_init(&b, 0);
136 device_dump_status(&b, dev);
137 ubus_send_reply(ctx, req, b.head);
148 static const struct blobmsg_policy alias_attrs[__ALIAS_ATTR_MAX] = {
149 [ALIAS_ATTR_ALIAS] = { "alias", BLOBMSG_TYPE_ARRAY },
150 [ALIAS_ATTR_DEV] = { "device", BLOBMSG_TYPE_STRING },
154 netifd_handle_alias(struct ubus_context *ctx, struct ubus_object *obj,
155 struct ubus_request_data *req, const char *method,
156 struct blob_attr *msg)
158 struct device *dev = NULL;
159 struct blob_attr *tb[__ALIAS_ATTR_MAX];
160 struct blob_attr *cur;
163 blobmsg_parse(alias_attrs, __ALIAS_ATTR_MAX, tb, blob_data(msg), blob_len(msg));
165 if (!tb[ALIAS_ATTR_ALIAS])
166 return UBUS_STATUS_INVALID_ARGUMENT;
168 if ((cur = tb[ALIAS_ATTR_DEV]) != NULL) {
169 dev = device_get(blobmsg_data(cur), true);
171 return UBUS_STATUS_NOT_FOUND;
174 blobmsg_for_each_attr(cur, tb[ALIAS_ATTR_ALIAS], rem) {
175 if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING)
178 if (!blobmsg_check_attr(cur, NULL))
181 alias_notify_device(blobmsg_data(cur), dev);
186 device_free_unused(dev);
187 return UBUS_STATUS_INVALID_ARGUMENT;
190 static struct ubus_method dev_object_methods[] = {
191 UBUS_METHOD("status", netifd_dev_status, dev_policy),
192 UBUS_METHOD("set_alias", netifd_handle_alias, alias_attrs),
195 static struct ubus_object_type dev_object_type =
196 UBUS_OBJECT_TYPE("device", dev_object_methods);
198 static struct ubus_object dev_object = {
199 .name = "network.device",
200 .type = &dev_object_type,
201 .methods = dev_object_methods,
202 .n_methods = ARRAY_SIZE(dev_object_methods),
206 netifd_ubus_init(const char *path)
210 ctx = ubus_connect(path);
214 DPRINTF("connected as %08x\n", ctx->local_id);
217 ubus_fd.fd = ctx->sock.fd;
218 netifd_fd_add(&ubus_fd);
220 ret = ubus_add_object(ctx, &main_object);
224 ret = ubus_add_object(ctx, &dev_object);
228 fprintf(stderr, "Failed to publish object: %s\n", ubus_strerror(ret));
233 netifd_ubus_done(void)
239 /* per-interface object */
242 netifd_handle_up(struct ubus_context *ctx, struct ubus_object *obj,
243 struct ubus_request_data *req, const char *method,
244 struct blob_attr *msg)
246 struct interface *iface;
248 iface = container_of(obj, struct interface, ubus);
249 interface_set_up(iface);
255 netifd_handle_down(struct ubus_context *ctx, struct ubus_object *obj,
256 struct ubus_request_data *req, const char *method,
257 struct blob_attr *msg)
259 struct interface *iface;
261 iface = container_of(obj, struct interface, ubus);
262 interface_set_down(iface);
268 netifd_add_interface_errors(struct blob_buf *b, struct interface *iface)
270 struct interface_error *error;
274 e = blobmsg_open_array(b, "errors");
275 list_for_each_entry(error, &iface->errors, list) {
276 e2 = blobmsg_open_table(b, NULL);
278 blobmsg_add_string(b, "subsystem", error->subsystem);
279 blobmsg_add_string(b, "code", error->code);
280 if (error->data[0]) {
281 e3 = blobmsg_open_array(b, "data");
282 for (i = 0; error->data[i]; i++)
283 blobmsg_add_string(b, NULL, error->data[i]);
284 blobmsg_close_array(b, e3);
287 blobmsg_close_table(b, e2);
289 blobmsg_close_array(b, e);
293 interface_ip_dump_address_list(struct interface_ip_settings *ip, bool v6)
295 struct device_addr *addr;
301 vlist_for_each_element(&ip->addr, addr, node) {
302 if ((addr->flags & DEVADDR_FAMILY) == DEVADDR_INET4)
307 if (af != (v6 ? AF_INET6 : AF_INET))
310 a = blobmsg_open_table(&b, NULL);
312 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
313 inet_ntop(af, &addr->addr, buf, buflen);
314 blobmsg_add_string_buffer(&b);
316 blobmsg_add_u32(&b, "mask", addr->mask);
318 blobmsg_close_table(&b, a);
323 interface_ip_dump_route_list(struct interface_ip_settings *ip)
325 struct device_route *route;
331 vlist_for_each_element(&ip->route, route, node) {
332 if ((route->flags & DEVADDR_FAMILY) == DEVADDR_INET4)
337 r = blobmsg_open_table(&b, NULL);
339 buf = blobmsg_alloc_string_buffer(&b, "target", buflen);
340 inet_ntop(af, &route->addr, buf, buflen);
341 blobmsg_add_string_buffer(&b);
343 blobmsg_add_u32(&b, "mask", route->mask);
345 buf = blobmsg_alloc_string_buffer(&b, "nexthop", buflen);
346 inet_ntop(af, &route->nexthop, buf, buflen);
347 blobmsg_add_string_buffer(&b);
349 blobmsg_close_table(&b, r);
354 netifd_handle_status(struct ubus_context *ctx, struct ubus_object *obj,
355 struct ubus_request_data *req, const char *method,
356 struct blob_attr *msg)
358 struct interface *iface;
359 struct interface_data *data;
363 iface = container_of(obj, struct interface, ubus);
365 blob_buf_init(&b, 0);
366 blobmsg_add_u8(&b, "up", iface->state == IFS_UP);
367 blobmsg_add_u8(&b, "pending", iface->state == IFS_SETUP);
368 blobmsg_add_u8(&b, "available", iface->available);
369 blobmsg_add_u8(&b, "autostart", iface->autostart);
371 if (iface->state == IFS_UP) {
372 time_t cur = system_get_rtime();
373 blobmsg_add_u32(&b, "uptime", cur - iface->start_time);
374 blobmsg_add_string(&b, "l3_device", iface->l3_dev.dev->ifname);
377 dev = iface->main_dev.dev;
378 if (dev && !(iface->proto_handler->flags & PROTO_FLAG_NODEV))
379 blobmsg_add_string(&b, "device", dev->ifname);
381 if (iface->state == IFS_UP) {
382 a = blobmsg_open_array(&b, "ipv4-address");
383 interface_ip_dump_address_list(&iface->config_ip, false);
384 interface_ip_dump_address_list(&iface->proto_ip, false);
385 blobmsg_close_array(&b, a);
386 a = blobmsg_open_array(&b, "ipv6-address");
387 interface_ip_dump_address_list(&iface->config_ip, true);
388 interface_ip_dump_address_list(&iface->proto_ip, true);
389 blobmsg_close_array(&b, a);
390 a = blobmsg_open_array(&b, "route");
391 interface_ip_dump_route_list(&iface->config_ip);
392 interface_ip_dump_route_list(&iface->proto_ip);
393 blobmsg_close_array(&b, a);
396 a = blobmsg_open_table(&b, "data");
397 avl_for_each_element(&iface->data, data, node)
398 blob_put(&b, blob_id(data->data), blob_data(data->data), blob_len(data->data));
400 blobmsg_close_table(&b, a);
402 if (!list_is_empty(&iface->errors))
403 netifd_add_interface_errors(&b, iface);
405 ubus_send_reply(ctx, req, b.head);
411 netifd_iface_handle_device(struct ubus_context *ctx, struct ubus_object *obj,
412 struct ubus_request_data *req, const char *method,
413 struct blob_attr *msg)
415 struct blob_attr *tb[__DEV_MAX];
416 struct interface *iface;
418 bool add = !strncmp(method, "add", 3);
421 iface = container_of(obj, struct interface, ubus);
423 blobmsg_parse(dev_policy, __DEV_MAX, tb, blob_data(msg), blob_len(msg));
426 return UBUS_STATUS_INVALID_ARGUMENT;
430 dev = device_get(blobmsg_data(tb[DEV_NAME]), add ? 2 : 0);
432 return UBUS_STATUS_NOT_FOUND;
435 return interface_add_link(iface, dev);
437 return interface_remove_link(iface, dev);
446 netifd_iface_notify_proto(struct ubus_context *ctx, struct ubus_object *obj,
447 struct ubus_request_data *req, const char *method,
448 struct blob_attr *msg)
450 struct interface *iface;
452 iface = container_of(obj, struct interface, ubus);
454 if (!iface->proto || !iface->proto->notify)
455 return UBUS_STATUS_NOT_SUPPORTED;
457 return iface->proto->notify(iface->proto, msg);
461 netifd_iface_do_remove(struct uloop_timeout *timeout)
463 struct interface *iface;
465 iface = container_of(timeout, struct interface, remove_timer);
466 vlist_delete(&interfaces, &iface->node);
470 netifd_iface_remove(struct ubus_context *ctx, struct ubus_object *obj,
471 struct ubus_request_data *req, const char *method,
472 struct blob_attr *msg)
474 struct interface *iface;
476 iface = container_of(obj, struct interface, ubus);
477 if (iface->remove_timer.cb)
478 return UBUS_STATUS_INVALID_ARGUMENT;
480 iface->remove_timer.cb = netifd_iface_do_remove;
481 uloop_timeout_set(&iface->remove_timer, 100);
486 netifd_handle_iface_prepare(struct ubus_context *ctx, struct ubus_object *obj,
487 struct ubus_request_data *req, const char *method,
488 struct blob_attr *msg)
490 struct interface *iface;
492 const struct device_hotplug_ops *ops;
494 iface = container_of(obj, struct interface, ubus);
495 dev = iface->main_dev.dev;
499 ops = dev->hotplug_ops;
503 return ops->prepare(dev);
507 netifd_handle_set_data(struct ubus_context *ctx, struct ubus_object *obj,
508 struct ubus_request_data *req, const char *method,
509 struct blob_attr *msg)
511 struct interface *iface;
512 struct blob_attr *cur;
515 iface = container_of(obj, struct interface, ubus);
517 blob_for_each_attr(cur, msg, rem) {
518 ret = interface_add_data(iface, cur);
526 static struct ubus_method iface_object_methods[] = {
527 { .name = "up", .handler = netifd_handle_up },
528 { .name = "down", .handler = netifd_handle_down },
529 { .name = "status", .handler = netifd_handle_status },
530 { .name = "prepare", .handler = netifd_handle_iface_prepare },
531 UBUS_METHOD("add_device", netifd_iface_handle_device, dev_policy ),
532 UBUS_METHOD("remove_device", netifd_iface_handle_device, dev_policy ),
533 { .name = "notify_proto", .handler = netifd_iface_notify_proto },
534 { .name = "remove", .handler = netifd_iface_remove },
535 { .name = "set_data", .handler = netifd_handle_set_data },
538 static struct ubus_object_type iface_object_type =
539 UBUS_OBJECT_TYPE("netifd_iface", iface_object_methods);
543 netifd_ubus_interface_event(struct interface *iface, bool up)
545 blob_buf_init(&b, 0);
546 blobmsg_add_string(&b, "action", up ? "ifup" : "ifdown");
547 blobmsg_add_string(&b, "interface", iface->name);
548 ubus_send_event(ctx, "network.interface", b.head);
552 netifd_ubus_add_interface(struct interface *iface)
554 struct ubus_object *obj = &iface->ubus;
557 asprintf(&name, "%s.interface.%s", main_object.name, iface->name);
562 obj->type = &iface_object_type;
563 obj->methods = iface_object_methods;
564 obj->n_methods = ARRAY_SIZE(iface_object_methods);
565 if (ubus_add_object(ctx, &iface->ubus)) {
566 DPRINTF("failed to publish ubus object for interface '%s'\n", iface->name);
573 netifd_ubus_remove_interface(struct interface *iface)
575 if (!iface->ubus.name)
578 ubus_remove_object(ctx, &iface->ubus);
579 free((void *) iface->ubus.name);