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 const char *ubus_path
;
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
);
95 netifd_get_proto_handlers(struct ubus_context
*ctx
, struct ubus_object
*obj
,
96 struct ubus_request_data
*req
, const char *method
,
97 struct blob_attr
*msg
)
100 proto_dump_handlers(&b
);
101 ubus_send_reply(ctx
, req
, b
.head
);
106 static struct ubus_method main_object_methods
[] = {
107 { .name
= "restart", .handler
= netifd_handle_restart
},
108 { .name
= "reload", .handler
= netifd_handle_reload
},
109 UBUS_METHOD("add_host_route", netifd_add_host_route
, route_policy
),
110 { .name
= "get_proto_handlers", .handler
= netifd_get_proto_handlers
},
113 static struct ubus_object_type main_object_type
=
114 UBUS_OBJECT_TYPE("netifd", main_object_methods
);
116 static struct ubus_object main_object
= {
118 .type
= &main_object_type
,
119 .methods
= main_object_methods
,
120 .n_methods
= ARRAY_SIZE(main_object_methods
),
128 static const struct blobmsg_policy dev_policy
[__DEV_MAX
] = {
129 [DEV_NAME
] = { .name
= "name", .type
= BLOBMSG_TYPE_STRING
},
133 netifd_dev_status(struct ubus_context
*ctx
, struct ubus_object
*obj
,
134 struct ubus_request_data
*req
, const char *method
,
135 struct blob_attr
*msg
)
137 struct device
*dev
= NULL
;
138 struct blob_attr
*tb
[__DEV_MAX
];
140 blobmsg_parse(dev_policy
, __DEV_MAX
, tb
, blob_data(msg
), blob_len(msg
));
143 dev
= device_get(blobmsg_data(tb
[DEV_NAME
]), false);
145 return UBUS_STATUS_INVALID_ARGUMENT
;
148 blob_buf_init(&b
, 0);
149 device_dump_status(&b
, dev
);
150 ubus_send_reply(ctx
, req
, b
.head
);
161 static const struct blobmsg_policy alias_attrs
[__ALIAS_ATTR_MAX
] = {
162 [ALIAS_ATTR_ALIAS
] = { "alias", BLOBMSG_TYPE_ARRAY
},
163 [ALIAS_ATTR_DEV
] = { "device", BLOBMSG_TYPE_STRING
},
167 netifd_handle_alias(struct ubus_context
*ctx
, struct ubus_object
*obj
,
168 struct ubus_request_data
*req
, const char *method
,
169 struct blob_attr
*msg
)
171 struct device
*dev
= NULL
;
172 struct blob_attr
*tb
[__ALIAS_ATTR_MAX
];
173 struct blob_attr
*cur
;
176 blobmsg_parse(alias_attrs
, __ALIAS_ATTR_MAX
, tb
, blob_data(msg
), blob_len(msg
));
178 if (!tb
[ALIAS_ATTR_ALIAS
])
179 return UBUS_STATUS_INVALID_ARGUMENT
;
181 if ((cur
= tb
[ALIAS_ATTR_DEV
]) != NULL
) {
182 dev
= device_get(blobmsg_data(cur
), true);
184 return UBUS_STATUS_NOT_FOUND
;
187 blobmsg_for_each_attr(cur
, tb
[ALIAS_ATTR_ALIAS
], rem
) {
188 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
)
191 if (!blobmsg_check_attr(cur
, NULL
))
194 alias_notify_device(blobmsg_data(cur
), dev
);
199 device_free_unused(dev
);
200 return UBUS_STATUS_INVALID_ARGUMENT
;
209 static const struct blobmsg_policy dev_state_policy
[__DEV_STATE_MAX
] = {
210 [DEV_STATE_NAME
] = { .name
= "name", .type
= BLOBMSG_TYPE_STRING
},
211 [DEV_STATE_DEFER
] = { .name
= "defer", .type
= BLOBMSG_TYPE_BOOL
},
215 netifd_handle_set_state(struct ubus_context
*ctx
, struct ubus_object
*obj
,
216 struct ubus_request_data
*req
, const char *method
,
217 struct blob_attr
*msg
)
219 struct device
*dev
= NULL
;
220 struct blob_attr
*tb
[__DEV_STATE_MAX
];
221 struct blob_attr
*cur
;
223 blobmsg_parse(dev_state_policy
, __DEV_STATE_MAX
, tb
, blob_data(msg
), blob_len(msg
));
225 cur
= tb
[DEV_STATE_NAME
];
227 return UBUS_STATUS_INVALID_ARGUMENT
;
229 dev
= device_get(blobmsg_data(cur
), false);
231 return UBUS_STATUS_NOT_FOUND
;
233 cur
= tb
[DEV_STATE_DEFER
];
235 device_set_deferred(dev
, !!blobmsg_get_u8(cur
));
240 static struct ubus_method dev_object_methods
[] = {
241 UBUS_METHOD("status", netifd_dev_status
, dev_policy
),
242 UBUS_METHOD("set_alias", netifd_handle_alias
, alias_attrs
),
243 UBUS_METHOD("set_state", netifd_handle_set_state
, dev_state_policy
),
246 static struct ubus_object_type dev_object_type
=
247 UBUS_OBJECT_TYPE("device", dev_object_methods
);
249 static struct ubus_object dev_object
= {
250 .name
= "network.device",
251 .type
= &dev_object_type
,
252 .methods
= dev_object_methods
,
253 .n_methods
= ARRAY_SIZE(dev_object_methods
),
257 netifd_ubus_add_fd(void)
260 system_fd_set_cloexec(ctx
->sock
.fd
);
264 netifd_ubus_reconnect_timer(struct uloop_timeout
*timeout
)
266 static struct uloop_timeout retry
= {
267 .cb
= netifd_ubus_reconnect_timer
,
271 if (ubus_reconnect(ctx
, ubus_path
) != 0) {
272 DPRINTF("failed to reconnect, trying again in %d seconds\n", t
);
273 uloop_timeout_set(&retry
, t
* 1000);
277 DPRINTF("reconnected to ubus, new id: %08x\n", ctx
->local_id
);
278 netifd_ubus_add_fd();
282 netifd_ubus_connection_lost(struct ubus_context
*ctx
)
284 netifd_ubus_reconnect_timer(NULL
);
288 netifd_ubus_init(const char *path
)
295 ctx
= ubus_connect(path
);
299 DPRINTF("connected as %08x\n", ctx
->local_id
);
300 ctx
->connection_lost
= netifd_ubus_connection_lost
;
301 netifd_ubus_add_fd();
303 ret
= ubus_add_object(ctx
, &main_object
);
307 ret
= ubus_add_object(ctx
, &dev_object
);
311 fprintf(stderr
, "Failed to publish object: %s\n", ubus_strerror(ret
));
316 netifd_ubus_done(void)
322 /* per-interface object */
325 netifd_handle_up(struct ubus_context
*ctx
, struct ubus_object
*obj
,
326 struct ubus_request_data
*req
, const char *method
,
327 struct blob_attr
*msg
)
329 struct interface
*iface
;
331 iface
= container_of(obj
, struct interface
, ubus
);
332 interface_set_up(iface
);
338 netifd_handle_down(struct ubus_context
*ctx
, struct ubus_object
*obj
,
339 struct ubus_request_data
*req
, const char *method
,
340 struct blob_attr
*msg
)
342 struct interface
*iface
;
344 iface
= container_of(obj
, struct interface
, ubus
);
345 interface_set_down(iface
);
351 netifd_add_interface_errors(struct blob_buf
*b
, struct interface
*iface
)
353 struct interface_error
*error
;
357 e
= blobmsg_open_array(b
, "errors");
358 list_for_each_entry(error
, &iface
->errors
, list
) {
359 e2
= blobmsg_open_table(b
, NULL
);
361 blobmsg_add_string(b
, "subsystem", error
->subsystem
);
362 blobmsg_add_string(b
, "code", error
->code
);
363 if (error
->data
[0]) {
364 e3
= blobmsg_open_array(b
, "data");
365 for (i
= 0; error
->data
[i
]; i
++)
366 blobmsg_add_string(b
, NULL
, error
->data
[i
]);
367 blobmsg_close_array(b
, e3
);
370 blobmsg_close_table(b
, e2
);
372 blobmsg_close_array(b
, e
);
376 interface_ip_dump_address_list(struct interface_ip_settings
*ip
, bool v6
,
379 struct device_addr
*addr
;
385 vlist_for_each_element(&ip
->addr
, addr
, node
) {
386 if (addr
->enabled
!= enabled
)
389 if ((addr
->flags
& DEVADDR_FAMILY
) == DEVADDR_INET4
)
394 if (af
!= (v6
? AF_INET6
: AF_INET
))
397 a
= blobmsg_open_table(&b
, NULL
);
399 buf
= blobmsg_alloc_string_buffer(&b
, "address", buflen
);
400 inet_ntop(af
, &addr
->addr
, buf
, buflen
);
401 blobmsg_add_string_buffer(&b
);
403 blobmsg_add_u32(&b
, "mask", addr
->mask
);
405 blobmsg_close_table(&b
, a
);
410 interface_ip_dump_route_list(struct interface_ip_settings
*ip
, bool enabled
)
412 struct device_route
*route
;
418 vlist_for_each_element(&ip
->route
, route
, node
) {
419 if (route
->enabled
!= enabled
)
422 if ((route
->flags
& DEVADDR_FAMILY
) == DEVADDR_INET4
)
427 r
= blobmsg_open_table(&b
, NULL
);
429 buf
= blobmsg_alloc_string_buffer(&b
, "target", buflen
);
430 inet_ntop(af
, &route
->addr
, buf
, buflen
);
431 blobmsg_add_string_buffer(&b
);
433 blobmsg_add_u32(&b
, "mask", route
->mask
);
435 buf
= blobmsg_alloc_string_buffer(&b
, "nexthop", buflen
);
436 inet_ntop(af
, &route
->nexthop
, buf
, buflen
);
437 blobmsg_add_string_buffer(&b
);
439 if (route
->flags
& DEVROUTE_MTU
)
440 blobmsg_add_u32(&b
, "mtu", route
->mtu
);
442 if (route
->flags
& DEVROUTE_METRIC
)
443 blobmsg_add_u32(&b
, "metric", route
->metric
);
445 blobmsg_close_table(&b
, r
);
450 interface_ip_dump_dns_server_list(struct interface_ip_settings
*ip
,
453 struct dns_server
*dns
;
457 vlist_simple_for_each_element(&ip
->dns_servers
, dns
, node
) {
458 if (ip
->no_dns
== enabled
)
461 buf
= blobmsg_alloc_string_buffer(&b
, NULL
, buflen
);
462 inet_ntop(dns
->af
, &dns
->addr
, buf
, buflen
);
463 blobmsg_add_string_buffer(&b
);
468 interface_ip_dump_dns_search_list(struct interface_ip_settings
*ip
,
471 struct dns_search_domain
*dns
;
473 vlist_simple_for_each_element(&ip
->dns_search
, dns
, node
) {
474 if (ip
->no_dns
== enabled
)
477 blobmsg_add_string(&b
, NULL
, dns
->name
);
482 netifd_handle_status(struct ubus_context
*ctx
, struct ubus_object
*obj
,
483 struct ubus_request_data
*req
, const char *method
,
484 struct blob_attr
*msg
)
486 struct interface
*iface
;
487 struct interface_data
*data
;
491 iface
= container_of(obj
, struct interface
, ubus
);
493 blob_buf_init(&b
, 0);
494 blobmsg_add_u8(&b
, "up", iface
->state
== IFS_UP
);
495 blobmsg_add_u8(&b
, "pending", iface
->state
== IFS_SETUP
);
496 blobmsg_add_u8(&b
, "available", iface
->available
);
497 blobmsg_add_u8(&b
, "autostart", iface
->autostart
);
499 if (iface
->state
== IFS_UP
) {
500 time_t cur
= system_get_rtime();
501 blobmsg_add_u32(&b
, "uptime", cur
- iface
->start_time
);
502 blobmsg_add_string(&b
, "l3_device", iface
->l3_dev
.dev
->ifname
);
505 if (iface
->proto_handler
)
506 blobmsg_add_string(&b
, "proto", iface
->proto_handler
->name
);
508 dev
= iface
->main_dev
.dev
;
509 if (dev
&& !dev
->hidden
&&
510 !(iface
->proto_handler
->flags
& PROTO_FLAG_NODEV
))
511 blobmsg_add_string(&b
, "device", dev
->ifname
);
513 if (iface
->state
== IFS_UP
) {
514 blobmsg_add_u32(&b
, "metric", iface
->metric
);
515 a
= blobmsg_open_array(&b
, "ipv4-address");
516 interface_ip_dump_address_list(&iface
->config_ip
, false, true);
517 interface_ip_dump_address_list(&iface
->proto_ip
, false, true);
518 blobmsg_close_array(&b
, a
);
519 a
= blobmsg_open_array(&b
, "ipv6-address");
520 interface_ip_dump_address_list(&iface
->config_ip
, true, true);
521 interface_ip_dump_address_list(&iface
->proto_ip
, true, true);
522 blobmsg_close_array(&b
, a
);
523 a
= blobmsg_open_array(&b
, "route");
524 interface_ip_dump_route_list(&iface
->config_ip
, true);
525 interface_ip_dump_route_list(&iface
->proto_ip
, true);
526 blobmsg_close_array(&b
, a
);
527 a
= blobmsg_open_array(&b
, "dns-server");
528 interface_ip_dump_dns_server_list(&iface
->config_ip
, true);
529 interface_ip_dump_dns_server_list(&iface
->proto_ip
, true);
530 blobmsg_close_array(&b
, a
);
531 a
= blobmsg_open_array(&b
, "dns-search");
532 interface_ip_dump_dns_search_list(&iface
->config_ip
, true);
533 interface_ip_dump_dns_search_list(&iface
->proto_ip
, true);
534 blobmsg_close_array(&b
, a
);
536 inactive
= blobmsg_open_table(&b
, "inactive");
537 a
= blobmsg_open_array(&b
, "ipv4-address");
538 interface_ip_dump_address_list(&iface
->config_ip
, false, false);
539 interface_ip_dump_address_list(&iface
->proto_ip
, false, false);
540 blobmsg_close_array(&b
, a
);
541 a
= blobmsg_open_array(&b
, "ipv6-address");
542 interface_ip_dump_address_list(&iface
->config_ip
, true, false);
543 interface_ip_dump_address_list(&iface
->proto_ip
, true, false);
544 blobmsg_close_array(&b
, a
);
545 a
= blobmsg_open_array(&b
, "route");
546 interface_ip_dump_route_list(&iface
->config_ip
, false);
547 interface_ip_dump_route_list(&iface
->proto_ip
, false);
548 blobmsg_close_array(&b
, a
);
549 a
= blobmsg_open_array(&b
, "dns-server");
550 interface_ip_dump_dns_server_list(&iface
->config_ip
, false);
551 interface_ip_dump_dns_server_list(&iface
->proto_ip
, false);
552 blobmsg_close_array(&b
, a
);
553 a
= blobmsg_open_array(&b
, "dns-search");
554 interface_ip_dump_dns_search_list(&iface
->config_ip
, false);
555 interface_ip_dump_dns_search_list(&iface
->proto_ip
, false);
556 blobmsg_close_array(&b
, a
);
557 blobmsg_close_table(&b
, inactive
);
560 a
= blobmsg_open_table(&b
, "data");
561 avl_for_each_element(&iface
->data
, data
, node
)
562 blob_put(&b
, blob_id(data
->data
), blob_data(data
->data
), blob_len(data
->data
));
564 blobmsg_close_table(&b
, a
);
566 if (!list_is_empty(&iface
->errors
))
567 netifd_add_interface_errors(&b
, iface
);
569 ubus_send_reply(ctx
, req
, b
.head
);
575 netifd_iface_handle_device(struct ubus_context
*ctx
, struct ubus_object
*obj
,
576 struct ubus_request_data
*req
, const char *method
,
577 struct blob_attr
*msg
)
579 struct blob_attr
*tb
[__DEV_MAX
];
580 struct interface
*iface
;
582 bool add
= !strncmp(method
, "add", 3);
585 iface
= container_of(obj
, struct interface
, ubus
);
587 blobmsg_parse(dev_policy
, __DEV_MAX
, tb
, blob_data(msg
), blob_len(msg
));
590 return UBUS_STATUS_INVALID_ARGUMENT
;
594 dev
= device_get(blobmsg_data(tb
[DEV_NAME
]), add
? 2 : 0);
596 ret
= UBUS_STATUS_NOT_FOUND
;
601 device_set_present(dev
, true);
602 if (iface
->device_config
)
603 device_set_config(dev
, &simple_device_type
, iface
->config
);
605 system_if_apply_settings(dev
, &dev
->settings
);
606 ret
= interface_add_link(iface
, dev
);
608 ret
= interface_remove_link(iface
, dev
);
619 netifd_iface_notify_proto(struct ubus_context
*ctx
, struct ubus_object
*obj
,
620 struct ubus_request_data
*req
, const char *method
,
621 struct blob_attr
*msg
)
623 struct interface
*iface
;
625 iface
= container_of(obj
, struct interface
, ubus
);
627 if (!iface
->proto
|| !iface
->proto
->notify
)
628 return UBUS_STATUS_NOT_SUPPORTED
;
630 return iface
->proto
->notify(iface
->proto
, msg
);
634 netifd_iface_do_remove(struct uloop_timeout
*timeout
)
636 struct interface
*iface
;
638 iface
= container_of(timeout
, struct interface
, remove_timer
);
639 vlist_delete(&interfaces
, &iface
->node
);
643 netifd_iface_remove(struct ubus_context
*ctx
, struct ubus_object
*obj
,
644 struct ubus_request_data
*req
, const char *method
,
645 struct blob_attr
*msg
)
647 struct interface
*iface
;
649 iface
= container_of(obj
, struct interface
, ubus
);
650 if (iface
->remove_timer
.cb
)
651 return UBUS_STATUS_INVALID_ARGUMENT
;
653 iface
->remove_timer
.cb
= netifd_iface_do_remove
;
654 uloop_timeout_set(&iface
->remove_timer
, 100);
659 netifd_handle_iface_prepare(struct ubus_context
*ctx
, struct ubus_object
*obj
,
660 struct ubus_request_data
*req
, const char *method
,
661 struct blob_attr
*msg
)
663 struct interface
*iface
;
665 const struct device_hotplug_ops
*ops
;
667 iface
= container_of(obj
, struct interface
, ubus
);
668 dev
= iface
->main_dev
.dev
;
672 ops
= dev
->hotplug_ops
;
676 return ops
->prepare(dev
);
680 netifd_handle_set_data(struct ubus_context
*ctx
, struct ubus_object
*obj
,
681 struct ubus_request_data
*req
, const char *method
,
682 struct blob_attr
*msg
)
684 struct interface
*iface
;
685 struct blob_attr
*cur
;
688 iface
= container_of(obj
, struct interface
, ubus
);
690 blob_for_each_attr(cur
, msg
, rem
) {
691 ret
= interface_add_data(iface
, cur
);
699 static struct ubus_method iface_object_methods
[] = {
700 { .name
= "up", .handler
= netifd_handle_up
},
701 { .name
= "down", .handler
= netifd_handle_down
},
702 { .name
= "status", .handler
= netifd_handle_status
},
703 { .name
= "prepare", .handler
= netifd_handle_iface_prepare
},
704 UBUS_METHOD("add_device", netifd_iface_handle_device
, dev_policy
),
705 UBUS_METHOD("remove_device", netifd_iface_handle_device
, dev_policy
),
706 { .name
= "notify_proto", .handler
= netifd_iface_notify_proto
},
707 { .name
= "remove", .handler
= netifd_iface_remove
},
708 { .name
= "set_data", .handler
= netifd_handle_set_data
},
711 static struct ubus_object_type iface_object_type
=
712 UBUS_OBJECT_TYPE("netifd_iface", iface_object_methods
);
716 netifd_ubus_interface_event(struct interface
*iface
, bool up
)
718 blob_buf_init(&b
, 0);
719 blobmsg_add_string(&b
, "action", up
? "ifup" : "ifdown");
720 blobmsg_add_string(&b
, "interface", iface
->name
);
721 ubus_send_event(ctx
, "network.interface", b
.head
);
725 netifd_ubus_add_interface(struct interface
*iface
)
727 struct ubus_object
*obj
= &iface
->ubus
;
730 if (asprintf(&name
, "%s.interface.%s", main_object
.name
, iface
->name
) == -1)
734 obj
->type
= &iface_object_type
;
735 obj
->methods
= iface_object_methods
;
736 obj
->n_methods
= ARRAY_SIZE(iface_object_methods
);
737 if (ubus_add_object(ctx
, &iface
->ubus
)) {
738 DPRINTF("failed to publish ubus object for interface '%s'\n", iface
->name
);
745 netifd_ubus_remove_interface(struct interface
*iface
)
747 if (!iface
->ubus
.name
)
750 ubus_remove_object(ctx
, &iface
->ubus
);
751 free((void *) iface
->ubus
.name
);