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
;
29 static const char *ubus_path
;
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
)
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
)
57 static const struct blobmsg_policy route_policy
[__HR_MAX
] = {
58 [HR_TARGET
] = { .name
= "target", .type
= BLOBMSG_TYPE_STRING
},
59 [HR_V6
] = { .name
= "v6", .type
= BLOBMSG_TYPE_BOOL
},
63 netifd_add_host_route(struct ubus_context
*ctx
, struct ubus_object
*obj
,
64 struct ubus_request_data
*req
, const char *method
,
65 struct blob_attr
*msg
)
67 struct blob_attr
*tb
[__HR_MAX
];
68 struct interface
*iface
;
72 blobmsg_parse(route_policy
, __HR_MAX
, tb
, blob_data(msg
), blob_len(msg
));
74 return UBUS_STATUS_INVALID_ARGUMENT
;
77 v6
= blobmsg_get_bool(tb
[HR_V6
]);
79 memset(&a
, 0, sizeof(a
));
80 if (!inet_pton(v6
? AF_INET6
: AF_INET
, blobmsg_data(tb
[HR_TARGET
]), &a
))
81 return UBUS_STATUS_INVALID_ARGUMENT
;
84 iface
= interface_ip_add_target_route(&a
, v6
);
86 return UBUS_STATUS_NOT_FOUND
;
89 blobmsg_add_string(&b
, "interface", iface
->name
);
90 ubus_send_reply(ctx
, req
, b
.head
);
96 netifd_get_proto_handlers(struct ubus_context
*ctx
, struct ubus_object
*obj
,
97 struct ubus_request_data
*req
, const char *method
,
98 struct blob_attr
*msg
)
100 blob_buf_init(&b
, 0);
101 proto_dump_handlers(&b
);
102 ubus_send_reply(ctx
, req
, b
.head
);
107 static struct ubus_method main_object_methods
[] = {
108 { .name
= "restart", .handler
= netifd_handle_restart
},
109 { .name
= "reload", .handler
= netifd_handle_reload
},
110 UBUS_METHOD("add_host_route", netifd_add_host_route
, route_policy
),
111 { .name
= "get_proto_handlers", .handler
= netifd_get_proto_handlers
},
114 static struct ubus_object_type main_object_type
=
115 UBUS_OBJECT_TYPE("netifd", main_object_methods
);
117 static struct ubus_object main_object
= {
119 .type
= &main_object_type
,
120 .methods
= main_object_methods
,
121 .n_methods
= ARRAY_SIZE(main_object_methods
),
129 static const struct blobmsg_policy dev_policy
[__DEV_MAX
] = {
130 [DEV_NAME
] = { .name
= "name", .type
= BLOBMSG_TYPE_STRING
},
134 netifd_dev_status(struct ubus_context
*ctx
, struct ubus_object
*obj
,
135 struct ubus_request_data
*req
, const char *method
,
136 struct blob_attr
*msg
)
138 struct device
*dev
= NULL
;
139 struct blob_attr
*tb
[__DEV_MAX
];
141 blobmsg_parse(dev_policy
, __DEV_MAX
, tb
, blob_data(msg
), blob_len(msg
));
144 dev
= device_get(blobmsg_data(tb
[DEV_NAME
]), false);
146 return UBUS_STATUS_INVALID_ARGUMENT
;
149 blob_buf_init(&b
, 0);
150 device_dump_status(&b
, dev
);
151 ubus_send_reply(ctx
, req
, b
.head
);
162 static const struct blobmsg_policy alias_attrs
[__ALIAS_ATTR_MAX
] = {
163 [ALIAS_ATTR_ALIAS
] = { "alias", BLOBMSG_TYPE_ARRAY
},
164 [ALIAS_ATTR_DEV
] = { "device", BLOBMSG_TYPE_STRING
},
168 netifd_handle_alias(struct ubus_context
*ctx
, struct ubus_object
*obj
,
169 struct ubus_request_data
*req
, const char *method
,
170 struct blob_attr
*msg
)
172 struct device
*dev
= NULL
;
173 struct blob_attr
*tb
[__ALIAS_ATTR_MAX
];
174 struct blob_attr
*cur
;
177 blobmsg_parse(alias_attrs
, __ALIAS_ATTR_MAX
, tb
, blob_data(msg
), blob_len(msg
));
179 if (!tb
[ALIAS_ATTR_ALIAS
])
180 return UBUS_STATUS_INVALID_ARGUMENT
;
182 if ((cur
= tb
[ALIAS_ATTR_DEV
]) != NULL
) {
183 dev
= device_get(blobmsg_data(cur
), true);
185 return UBUS_STATUS_NOT_FOUND
;
188 blobmsg_for_each_attr(cur
, tb
[ALIAS_ATTR_ALIAS
], rem
) {
189 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
)
192 if (!blobmsg_check_attr(cur
, NULL
))
195 alias_notify_device(blobmsg_data(cur
), dev
);
200 device_free_unused(dev
);
201 return UBUS_STATUS_INVALID_ARGUMENT
;
210 static const struct blobmsg_policy dev_state_policy
[__DEV_STATE_MAX
] = {
211 [DEV_STATE_NAME
] = { .name
= "name", .type
= BLOBMSG_TYPE_STRING
},
212 [DEV_STATE_DEFER
] = { .name
= "defer", .type
= BLOBMSG_TYPE_BOOL
},
216 netifd_handle_set_state(struct ubus_context
*ctx
, struct ubus_object
*obj
,
217 struct ubus_request_data
*req
, const char *method
,
218 struct blob_attr
*msg
)
220 struct device
*dev
= NULL
;
221 struct blob_attr
*tb
[__DEV_STATE_MAX
];
222 struct blob_attr
*cur
;
224 blobmsg_parse(dev_state_policy
, __DEV_STATE_MAX
, tb
, blob_data(msg
), blob_len(msg
));
226 cur
= tb
[DEV_STATE_NAME
];
228 return UBUS_STATUS_INVALID_ARGUMENT
;
230 dev
= device_get(blobmsg_data(cur
), false);
232 return UBUS_STATUS_NOT_FOUND
;
234 cur
= tb
[DEV_STATE_DEFER
];
236 device_set_deferred(dev
, !!blobmsg_get_u8(cur
));
241 static struct ubus_method dev_object_methods
[] = {
242 UBUS_METHOD("status", netifd_dev_status
, dev_policy
),
243 UBUS_METHOD("set_alias", netifd_handle_alias
, alias_attrs
),
244 UBUS_METHOD("set_state", netifd_handle_set_state
, dev_state_policy
),
247 static struct ubus_object_type dev_object_type
=
248 UBUS_OBJECT_TYPE("device", dev_object_methods
);
250 static struct ubus_object dev_object
= {
251 .name
= "network.device",
252 .type
= &dev_object_type
,
253 .methods
= dev_object_methods
,
254 .n_methods
= ARRAY_SIZE(dev_object_methods
),
258 netifd_ubus_add_fd(void)
261 ubus_fd
.fd
= ctx
->sock
.fd
;
262 netifd_fd_add(&ubus_fd
);
266 netifd_ubus_reconnect_timer(struct uloop_timeout
*timeout
)
268 static struct uloop_timeout retry
= {
269 .cb
= netifd_ubus_reconnect_timer
,
273 if (ubus_reconnect(ctx
, ubus_path
) != 0) {
274 DPRINTF("failed to reconnect, trying again in %d seconds\n", t
);
275 uloop_timeout_set(&retry
, t
* 1000);
279 DPRINTF("reconnected to ubus, new id: %08x\n", ctx
->local_id
);
280 netifd_ubus_add_fd();
284 netifd_ubus_connection_lost(struct ubus_context
*ctx
)
286 netifd_fd_delete(&ubus_fd
);
287 netifd_ubus_reconnect_timer(NULL
);
291 netifd_ubus_init(const char *path
)
298 ctx
= ubus_connect(path
);
302 DPRINTF("connected as %08x\n", ctx
->local_id
);
303 ctx
->connection_lost
= netifd_ubus_connection_lost
;
304 netifd_ubus_add_fd();
306 ret
= ubus_add_object(ctx
, &main_object
);
310 ret
= ubus_add_object(ctx
, &dev_object
);
314 fprintf(stderr
, "Failed to publish object: %s\n", ubus_strerror(ret
));
319 netifd_ubus_done(void)
325 /* per-interface object */
328 netifd_handle_up(struct ubus_context
*ctx
, struct ubus_object
*obj
,
329 struct ubus_request_data
*req
, const char *method
,
330 struct blob_attr
*msg
)
332 struct interface
*iface
;
334 iface
= container_of(obj
, struct interface
, ubus
);
335 interface_set_up(iface
);
341 netifd_handle_down(struct ubus_context
*ctx
, struct ubus_object
*obj
,
342 struct ubus_request_data
*req
, const char *method
,
343 struct blob_attr
*msg
)
345 struct interface
*iface
;
347 iface
= container_of(obj
, struct interface
, ubus
);
348 interface_set_down(iface
);
354 netifd_add_interface_errors(struct blob_buf
*b
, struct interface
*iface
)
356 struct interface_error
*error
;
360 e
= blobmsg_open_array(b
, "errors");
361 list_for_each_entry(error
, &iface
->errors
, list
) {
362 e2
= blobmsg_open_table(b
, NULL
);
364 blobmsg_add_string(b
, "subsystem", error
->subsystem
);
365 blobmsg_add_string(b
, "code", error
->code
);
366 if (error
->data
[0]) {
367 e3
= blobmsg_open_array(b
, "data");
368 for (i
= 0; error
->data
[i
]; i
++)
369 blobmsg_add_string(b
, NULL
, error
->data
[i
]);
370 blobmsg_close_array(b
, e3
);
373 blobmsg_close_table(b
, e2
);
375 blobmsg_close_array(b
, e
);
379 interface_ip_dump_address_list(struct interface_ip_settings
*ip
, bool v6
)
381 struct device_addr
*addr
;
387 vlist_for_each_element(&ip
->addr
, addr
, node
) {
388 if ((addr
->flags
& DEVADDR_FAMILY
) == DEVADDR_INET4
)
393 if (af
!= (v6
? AF_INET6
: AF_INET
))
396 a
= blobmsg_open_table(&b
, NULL
);
398 buf
= blobmsg_alloc_string_buffer(&b
, "address", buflen
);
399 inet_ntop(af
, &addr
->addr
, buf
, buflen
);
400 blobmsg_add_string_buffer(&b
);
402 blobmsg_add_u32(&b
, "mask", addr
->mask
);
404 blobmsg_close_table(&b
, a
);
409 interface_ip_dump_route_list(struct interface_ip_settings
*ip
)
411 struct device_route
*route
;
417 vlist_for_each_element(&ip
->route
, route
, node
) {
418 if ((route
->flags
& DEVADDR_FAMILY
) == DEVADDR_INET4
)
423 r
= blobmsg_open_table(&b
, NULL
);
425 buf
= blobmsg_alloc_string_buffer(&b
, "target", buflen
);
426 inet_ntop(af
, &route
->addr
, buf
, buflen
);
427 blobmsg_add_string_buffer(&b
);
429 blobmsg_add_u32(&b
, "mask", route
->mask
);
431 buf
= blobmsg_alloc_string_buffer(&b
, "nexthop", buflen
);
432 inet_ntop(af
, &route
->nexthop
, buf
, buflen
);
433 blobmsg_add_string_buffer(&b
);
435 if (route
->flags
& DEVROUTE_MTU
)
436 blobmsg_add_u32(&b
, "mtu", route
->mtu
);
438 if (route
->flags
& DEVROUTE_METRIC
)
439 blobmsg_add_u32(&b
, "metric", route
->metric
);
441 blobmsg_add_u8(&b
, "enabled", route
->enabled
);
443 blobmsg_close_table(&b
, r
);
448 interface_ip_dump_dns_server_list(struct interface_ip_settings
*ip
)
450 struct dns_server
*dns
;
454 vlist_simple_for_each_element(&ip
->dns_servers
, dns
, node
) {
455 buf
= blobmsg_alloc_string_buffer(&b
, NULL
, buflen
);
456 inet_ntop(dns
->af
, &dns
->addr
, buf
, buflen
);
457 blobmsg_add_string_buffer(&b
);
462 interface_ip_dump_dns_search_list(struct interface_ip_settings
*ip
)
464 struct dns_search_domain
*dns
;
466 vlist_simple_for_each_element(&ip
->dns_search
, dns
, node
) {
467 blobmsg_add_string(&b
, NULL
, dns
->name
);
472 netifd_handle_status(struct ubus_context
*ctx
, struct ubus_object
*obj
,
473 struct ubus_request_data
*req
, const char *method
,
474 struct blob_attr
*msg
)
476 struct interface
*iface
;
477 struct interface_data
*data
;
481 iface
= container_of(obj
, struct interface
, ubus
);
483 blob_buf_init(&b
, 0);
484 blobmsg_add_u8(&b
, "up", iface
->state
== IFS_UP
);
485 blobmsg_add_u8(&b
, "pending", iface
->state
== IFS_SETUP
);
486 blobmsg_add_u8(&b
, "available", iface
->available
);
487 blobmsg_add_u8(&b
, "autostart", iface
->autostart
);
489 if (iface
->state
== IFS_UP
) {
490 time_t cur
= system_get_rtime();
491 blobmsg_add_u32(&b
, "uptime", cur
- iface
->start_time
);
492 blobmsg_add_string(&b
, "l3_device", iface
->l3_dev
.dev
->ifname
);
495 if (iface
->proto_handler
)
496 blobmsg_add_string(&b
, "proto", iface
->proto_handler
->name
);
498 dev
= iface
->main_dev
.dev
;
499 if (dev
&& !dev
->hidden
&&
500 !(iface
->proto_handler
->flags
& PROTO_FLAG_NODEV
))
501 blobmsg_add_string(&b
, "device", dev
->ifname
);
503 if (iface
->state
== IFS_UP
) {
504 blobmsg_add_u32(&b
, "metric", iface
->metric
);
505 a
= blobmsg_open_array(&b
, "ipv4-address");
506 interface_ip_dump_address_list(&iface
->config_ip
, false);
507 interface_ip_dump_address_list(&iface
->proto_ip
, false);
508 blobmsg_close_array(&b
, a
);
509 a
= blobmsg_open_array(&b
, "ipv6-address");
510 interface_ip_dump_address_list(&iface
->config_ip
, true);
511 interface_ip_dump_address_list(&iface
->proto_ip
, true);
512 blobmsg_close_array(&b
, a
);
513 a
= blobmsg_open_array(&b
, "route");
514 interface_ip_dump_route_list(&iface
->config_ip
);
515 interface_ip_dump_route_list(&iface
->proto_ip
);
516 blobmsg_close_array(&b
, a
);
517 a
= blobmsg_open_array(&b
, "dns-server");
518 interface_ip_dump_dns_server_list(&iface
->config_ip
);
519 interface_ip_dump_dns_server_list(&iface
->proto_ip
);
520 blobmsg_close_array(&b
, a
);
521 a
= blobmsg_open_array(&b
, "dns-search");
522 interface_ip_dump_dns_search_list(&iface
->config_ip
);
523 interface_ip_dump_dns_search_list(&iface
->proto_ip
);
524 blobmsg_close_array(&b
, a
);
527 a
= blobmsg_open_table(&b
, "data");
528 avl_for_each_element(&iface
->data
, data
, node
)
529 blob_put(&b
, blob_id(data
->data
), blob_data(data
->data
), blob_len(data
->data
));
531 blobmsg_close_table(&b
, a
);
533 if (!list_is_empty(&iface
->errors
))
534 netifd_add_interface_errors(&b
, iface
);
536 ubus_send_reply(ctx
, req
, b
.head
);
542 netifd_iface_handle_device(struct ubus_context
*ctx
, struct ubus_object
*obj
,
543 struct ubus_request_data
*req
, const char *method
,
544 struct blob_attr
*msg
)
546 struct blob_attr
*tb
[__DEV_MAX
];
547 struct interface
*iface
;
549 bool add
= !strncmp(method
, "add", 3);
552 iface
= container_of(obj
, struct interface
, ubus
);
554 blobmsg_parse(dev_policy
, __DEV_MAX
, tb
, blob_data(msg
), blob_len(msg
));
557 return UBUS_STATUS_INVALID_ARGUMENT
;
561 dev
= device_get(blobmsg_data(tb
[DEV_NAME
]), add
? 2 : 0);
563 return UBUS_STATUS_NOT_FOUND
;
566 device_set_present(dev
, true);
567 ret
= interface_add_link(iface
, dev
);
569 ret
= interface_remove_link(iface
, dev
);
579 netifd_iface_notify_proto(struct ubus_context
*ctx
, struct ubus_object
*obj
,
580 struct ubus_request_data
*req
, const char *method
,
581 struct blob_attr
*msg
)
583 struct interface
*iface
;
585 iface
= container_of(obj
, struct interface
, ubus
);
587 if (!iface
->proto
|| !iface
->proto
->notify
)
588 return UBUS_STATUS_NOT_SUPPORTED
;
590 return iface
->proto
->notify(iface
->proto
, msg
);
594 netifd_iface_do_remove(struct uloop_timeout
*timeout
)
596 struct interface
*iface
;
598 iface
= container_of(timeout
, struct interface
, remove_timer
);
599 vlist_delete(&interfaces
, &iface
->node
);
603 netifd_iface_remove(struct ubus_context
*ctx
, struct ubus_object
*obj
,
604 struct ubus_request_data
*req
, const char *method
,
605 struct blob_attr
*msg
)
607 struct interface
*iface
;
609 iface
= container_of(obj
, struct interface
, ubus
);
610 if (iface
->remove_timer
.cb
)
611 return UBUS_STATUS_INVALID_ARGUMENT
;
613 iface
->remove_timer
.cb
= netifd_iface_do_remove
;
614 uloop_timeout_set(&iface
->remove_timer
, 100);
619 netifd_handle_iface_prepare(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 const struct device_hotplug_ops
*ops
;
627 iface
= container_of(obj
, struct interface
, ubus
);
628 dev
= iface
->main_dev
.dev
;
632 ops
= dev
->hotplug_ops
;
636 return ops
->prepare(dev
);
640 netifd_handle_set_data(struct ubus_context
*ctx
, struct ubus_object
*obj
,
641 struct ubus_request_data
*req
, const char *method
,
642 struct blob_attr
*msg
)
644 struct interface
*iface
;
645 struct blob_attr
*cur
;
648 iface
= container_of(obj
, struct interface
, ubus
);
650 blob_for_each_attr(cur
, msg
, rem
) {
651 ret
= interface_add_data(iface
, cur
);
659 static struct ubus_method iface_object_methods
[] = {
660 { .name
= "up", .handler
= netifd_handle_up
},
661 { .name
= "down", .handler
= netifd_handle_down
},
662 { .name
= "status", .handler
= netifd_handle_status
},
663 { .name
= "prepare", .handler
= netifd_handle_iface_prepare
},
664 UBUS_METHOD("add_device", netifd_iface_handle_device
, dev_policy
),
665 UBUS_METHOD("remove_device", netifd_iface_handle_device
, dev_policy
),
666 { .name
= "notify_proto", .handler
= netifd_iface_notify_proto
},
667 { .name
= "remove", .handler
= netifd_iface_remove
},
668 { .name
= "set_data", .handler
= netifd_handle_set_data
},
671 static struct ubus_object_type iface_object_type
=
672 UBUS_OBJECT_TYPE("netifd_iface", iface_object_methods
);
676 netifd_ubus_interface_event(struct interface
*iface
, bool up
)
678 blob_buf_init(&b
, 0);
679 blobmsg_add_string(&b
, "action", up
? "ifup" : "ifdown");
680 blobmsg_add_string(&b
, "interface", iface
->name
);
681 ubus_send_event(ctx
, "network.interface", b
.head
);
685 netifd_ubus_add_interface(struct interface
*iface
)
687 struct ubus_object
*obj
= &iface
->ubus
;
690 asprintf(&name
, "%s.interface.%s", main_object
.name
, iface
->name
);
695 obj
->type
= &iface_object_type
;
696 obj
->methods
= iface_object_methods
;
697 obj
->n_methods
= ARRAY_SIZE(iface_object_methods
);
698 if (ubus_add_object(ctx
, &iface
->ubus
)) {
699 DPRINTF("failed to publish ubus object for interface '%s'\n", iface
->name
);
706 netifd_ubus_remove_interface(struct interface
*iface
)
708 if (!iface
->ubus
.name
)
711 ubus_remove_object(ctx
, &iface
->ubus
);
712 free((void *) iface
->ubus
.name
);