2 * netifd - network interface daemon
3 * Copyright (C) 2013 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.
20 #define WIRELESS_SETUP_RETRY 3
22 struct vlist_tree wireless_devices
;
23 struct avl_tree wireless_drivers
;
24 static struct blob_buf b
;
26 static LIST_HEAD(handlers
);
27 static bool handler_pending
;
36 static const struct blobmsg_policy wdev_policy
[__WDEV_ATTR_MAX
] = {
37 [WDEV_ATTR_DISABLED
] = { .name
= "disabled", .type
= BLOBMSG_TYPE_BOOL
},
38 [WDEV_ATTR_RECONF
] = { .name
= "reconf", .type
= BLOBMSG_TYPE_BOOL
},
39 [WDEV_ATTR_SERIALIZE
] = { .name
= "serialize", .type
= BLOBMSG_TYPE_BOOL
},
42 static const struct uci_blob_param_list wdev_param
= {
43 .n_params
= ARRAY_SIZE(wdev_policy
),
44 .params
= wdev_policy
,
55 static const struct blobmsg_policy vif_policy
[__VIF_ATTR_MAX
] = {
56 [VIF_ATTR_DISABLED
] = { .name
= "disabled", .type
= BLOBMSG_TYPE_BOOL
},
57 [VIF_ATTR_NETWORK
] = { .name
= "network", .type
= BLOBMSG_TYPE_ARRAY
},
58 [VIF_ATTR_ISOLATE
] = { .name
= "isolate", .type
= BLOBMSG_TYPE_BOOL
},
59 [VIF_ATTR_MODE
] = { .name
= "mode", .type
= BLOBMSG_TYPE_STRING
},
62 static const struct uci_blob_param_list vif_param
= {
63 .n_params
= ARRAY_SIZE(vif_policy
),
74 static const struct blobmsg_policy vlan_policy
[__VLAN_ATTR_MAX
] = {
75 [VLAN_ATTR_DISABLED
] = { .name
= "disabled", .type
= BLOBMSG_TYPE_BOOL
},
76 [VLAN_ATTR_NETWORK
] = { .name
= "network", .type
= BLOBMSG_TYPE_ARRAY
},
77 [VLAN_ATTR_ISOLATE
] = { .name
= "isolate", .type
= BLOBMSG_TYPE_BOOL
},
80 static const struct uci_blob_param_list vlan_param
= {
81 .n_params
= ARRAY_SIZE(vlan_policy
),
82 .params
= vlan_policy
,
90 static const struct blobmsg_policy sta_policy
[__STA_ATTR_MAX
] = {
91 [STA_ATTR_DISABLED
] = { .name
= "disabled", .type
= BLOBMSG_TYPE_BOOL
},
94 static const struct uci_blob_param_list station_param
= {
95 .n_params
= ARRAY_SIZE(sta_policy
),
100 wireless_handler_stop(struct wireless_device
*wdev
)
102 if (wdev
->handler_pending
) {
103 wdev
->handler_pending
= false;
104 list_del(&wdev
->handler
);
109 put_container(struct blob_buf
*buf
, struct blob_attr
*attr
, const char *name
)
111 void *c
= blobmsg_open_table(buf
, name
);
112 blob_put_raw(buf
, blob_data(attr
), blob_len(attr
));
113 blobmsg_close_table(buf
, c
);
117 vif_config_add_bridge(struct blob_buf
*buf
, struct blob_attr
*networks
, bool prepare
)
119 struct interface
*iface
;
120 struct device
*dev
= NULL
, *orig_dev
;
121 struct blob_attr
*cur
;
128 blobmsg_for_each_attr(cur
, networks
, rem
) {
129 network
= blobmsg_data(cur
);
131 iface
= vlist_find(&interfaces
, network
, iface
, node
);
135 dev
= iface
->main_dev
.dev
;
139 if (!dev
->hotplug_ops
)
147 if (dev
->hotplug_ops
&& dev
->hotplug_ops
->prepare
)
148 dev
->hotplug_ops
->prepare(dev
, &dev
);
150 if (!dev
|| !dev
->type
->bridge_capability
)
153 blobmsg_add_string(buf
, "bridge", dev
->ifname
);
154 blobmsg_add_string(buf
, "bridge-ifname", orig_dev
->ifname
);
156 if (dev
->settings
.flags
& DEV_OPT_MULTICAST_TO_UNICAST
)
157 blobmsg_add_u8(buf
, "multicast_to_unicast",
158 dev
->settings
.multicast_to_unicast
);
162 prepare_config(struct wireless_device
*wdev
, struct blob_buf
*buf
, bool up
)
164 struct wireless_interface
*vif
;
165 struct wireless_vlan
*vlan
;
166 struct wireless_station
*sta
;
169 blob_buf_init(&b
, 0);
170 put_container(&b
, wdev
->config
, "config");
172 blobmsg_add_blob(&b
, wdev
->data
);
174 l
= blobmsg_open_table(&b
, "interfaces");
175 vlist_for_each_element(&wdev
->interfaces
, vif
, node
) {
176 i
= blobmsg_open_table(&b
, vif
->name
);
177 vif_config_add_bridge(&b
, vif
->network
, up
);
178 put_container(&b
, vif
->config
, "config");
180 blobmsg_add_blob(&b
, vif
->data
);
182 j
= blobmsg_open_table(&b
, "vlans");
183 vlist_for_each_element(&wdev
->vlans
, vlan
, node
) {
184 if (strcmp(vlan
->vif
, vif
->name
))
186 k
= blobmsg_open_table(&b
, vlan
->name
);
187 vif_config_add_bridge(&b
, vlan
->network
, up
);
188 put_container(&b
, vlan
->config
, "config");
190 blobmsg_add_blob(&b
, vlan
->data
);
191 blobmsg_close_table(&b
, k
);
193 blobmsg_close_table(&b
, j
);
195 j
= blobmsg_open_table(&b
, "stas");
196 vlist_for_each_element(&wdev
->stations
, sta
, node
) {
197 if (strcmp(sta
->vif
, vif
->name
))
199 k
= blobmsg_open_table(&b
, sta
->name
);
200 put_container(&b
, sta
->config
, "config");
202 blobmsg_add_blob(&b
, sta
->data
);
203 blobmsg_close_table(&b
, k
);
205 blobmsg_close_table(&b
, j
);
206 blobmsg_close_table(&b
, i
);
208 blobmsg_close_table(&b
, l
);
213 wireless_process_check(struct wireless_process
*proc
)
215 return check_pid_path(proc
->pid
, proc
->exe
);
219 wireless_complete_kill_request(struct wireless_device
*wdev
)
221 if (!wdev
->kill_request
)
224 ubus_complete_deferred_request(ubus_ctx
, wdev
->kill_request
, 0);
225 free(wdev
->kill_request
);
226 wdev
->kill_request
= NULL
;
230 wireless_process_free(struct wireless_device
*wdev
, struct wireless_process
*proc
)
232 D(WIRELESS
, "Wireless device '%s' free pid %d\n", wdev
->name
, proc
->pid
);
233 list_del(&proc
->list
);
236 if (list_empty(&wdev
->script_proc
))
237 wireless_complete_kill_request(wdev
);
241 wireless_close_script_proc_fd(struct wireless_device
*wdev
)
243 if (wdev
->script_proc_fd
.fd
< 0)
246 uloop_fd_delete(&wdev
->script_proc_fd
);
247 close(wdev
->script_proc_fd
.fd
);
248 wdev
->script_proc_fd
.fd
= -1;
252 wireless_process_kill_all(struct wireless_device
*wdev
, int signal
, bool free
)
254 struct wireless_process
*proc
, *tmp
;
256 list_for_each_entry_safe(proc
, tmp
, &wdev
->script_proc
, list
) {
257 bool check
= wireless_process_check(proc
);
259 if (check
&& !proc
->keep
) {
260 D(WIRELESS
, "Wireless device '%s' kill pid %d\n", wdev
->name
, proc
->pid
);
261 kill(proc
->pid
, signal
);
265 wireless_process_free(wdev
, proc
);
269 wireless_close_script_proc_fd(wdev
);
273 wireless_device_free_state(struct wireless_device
*wdev
)
275 struct wireless_interface
*vif
;
276 struct wireless_vlan
*vlan
;
277 struct wireless_station
*sta
;
279 wireless_handler_stop(wdev
);
280 uloop_timeout_cancel(&wdev
->script_check
);
281 uloop_timeout_cancel(&wdev
->timeout
);
282 wireless_complete_kill_request(wdev
);
285 vlist_for_each_element(&wdev
->interfaces
, vif
, node
) {
290 vlist_for_each_element(&wdev
->vlans
, vlan
, node
) {
295 vlist_for_each_element(&wdev
->stations
, sta
, node
) {
301 static void wireless_interface_handle_link(struct wireless_interface
*vif
, bool up
)
303 struct interface
*iface
;
304 struct blob_attr
*cur
;
308 if (!vif
->network
|| !vif
->ifname
)
312 struct device
*dev
= device_get(vif
->ifname
, 2);
314 dev
->wireless_isolate
= vif
->isolate
;
315 dev
->wireless
= true;
316 dev
->wireless_ap
= vif
->ap_mode
;
320 blobmsg_for_each_attr(cur
, vif
->network
, rem
) {
321 network
= blobmsg_data(cur
);
323 iface
= vlist_find(&interfaces
, network
, iface
, node
);
327 interface_handle_link(iface
, vif
->ifname
, NULL
, up
, true);
331 static void wireless_vlan_handle_link(struct wireless_vlan
*vlan
, bool up
)
333 struct interface
*iface
;
334 struct blob_attr
*cur
;
338 if (!vlan
->network
|| !vlan
->ifname
)
342 struct device
*dev
= device_get(vlan
->ifname
, 2);
344 dev
->wireless_isolate
= vlan
->isolate
;
345 dev
->wireless
= true;
346 dev
->wireless_ap
= true;
350 blobmsg_for_each_attr(cur
, vlan
->network
, rem
) {
351 network
= blobmsg_data(cur
);
353 iface
= vlist_find(&interfaces
, network
, iface
, node
);
357 interface_handle_link(iface
, vlan
->ifname
, NULL
, up
, true);
362 wireless_device_setup_cancel(struct wireless_device
*wdev
)
367 wireless_handler_stop(wdev
);
368 D(WIRELESS
, "Cancel wireless device '%s' setup\n", wdev
->name
);
370 uloop_timeout_set(&wdev
->timeout
, 10 * 1000);
374 wireless_device_run_handler(struct wireless_device
*wdev
, bool up
)
376 const char *action
= up
? "setup" : "teardown";
380 int fds
[2] = { -1, -1 };
382 wireless_handler_stop(wdev
);
384 if (handler_pending
&& wdev
->serialize
) {
385 wdev
->handler_action
= up
;
386 wdev
->handler_pending
= true;
387 list_add_tail(&wdev
->handler
, &handlers
);
391 handler_pending
= true;
393 D(WIRELESS
, "Wireless device '%s' run %s handler\n", wdev
->name
, action
);
394 if (!up
&& wdev
->prev_config
) {
395 config
= blobmsg_format_json(wdev
->prev_config
, true);
396 free(wdev
->prev_config
);
397 wdev
->prev_config
= NULL
;
399 prepare_config(wdev
, &b
, up
);
400 config
= blobmsg_format_json(b
.head
, true);
403 argv
[i
++] = wdev
->drv
->script
;
404 argv
[i
++] = wdev
->drv
->name
;
406 argv
[i
++] = wdev
->name
;
410 if (up
&& pipe(fds
) == 0) {
411 wdev
->script_proc_fd
.fd
= fds
[0];
412 uloop_fd_add(&wdev
->script_proc_fd
,
413 ULOOP_READ
| ULOOP_EDGE_TRIGGER
);
416 netifd_start_process(argv
, NULL
, &wdev
->script_task
);
425 wireless_handler_next(void)
427 struct wireless_device
*wdev
;
431 if (list_empty(&handlers
))
433 wdev
= list_first_entry(&handlers
, struct wireless_device
, handler
);
434 list_del(&wdev
->handler
);
435 wdev
->handler_pending
= false;
436 wireless_device_run_handler(wdev
, wdev
->handler_action
);
440 __wireless_device_set_up(struct wireless_device
*wdev
, int force
)
445 if (wdev
->retry_setup_failed
)
448 if (!wdev
->autostart
)
451 if (!force
&& (wdev
->state
!= IFS_DOWN
|| config_init
))
454 free(wdev
->prev_config
);
455 wdev
->prev_config
= NULL
;
456 wdev
->state
= IFS_SETUP
;
457 wireless_device_run_handler(wdev
, true);
461 wireless_device_free(struct wireless_device
*wdev
)
463 wireless_handler_stop(wdev
);
464 vlist_flush_all(&wdev
->interfaces
);
465 vlist_flush_all(&wdev
->vlans
);
466 vlist_flush_all(&wdev
->stations
);
467 avl_delete(&wireless_devices
.avl
, &wdev
->node
.avl
);
469 free(wdev
->prev_config
);
474 wdev_handle_config_change(struct wireless_device
*wdev
)
476 enum interface_config_state state
= wdev
->config_state
;
481 __wireless_device_set_up(wdev
, 0);
483 wdev
->config_state
= IFC_NORMAL
;
486 wireless_device_free(wdev
);
492 wireless_device_mark_down(struct wireless_device
*wdev
)
494 struct wireless_interface
*vif
;
495 struct wireless_vlan
*vlan
;
497 D(WIRELESS
, "Wireless device '%s' is now down\n", wdev
->name
);
499 vlist_for_each_element(&wdev
->vlans
, vlan
, node
)
500 wireless_vlan_handle_link(vlan
, false);
502 vlist_for_each_element(&wdev
->interfaces
, vif
, node
)
503 wireless_interface_handle_link(vif
, false);
505 wireless_process_kill_all(wdev
, SIGTERM
, true);
507 wdev
->cancel
= false;
508 wdev
->state
= IFS_DOWN
;
509 wireless_device_free_state(wdev
);
510 wdev_handle_config_change(wdev
);
514 wireless_device_setup_timeout(struct uloop_timeout
*timeout
)
516 struct wireless_device
*wdev
= container_of(timeout
, struct wireless_device
, timeout
);
518 if (wdev
->handler_pending
) {
519 wdev
->handler_pending
= false;
520 list_del(&wdev
->handler
);
522 netifd_kill_process(&wdev
->script_task
);
523 wdev
->script_task
.cb(&wdev
->script_task
, -1);
524 wireless_device_mark_down(wdev
);
528 wireless_device_set_up(struct wireless_device
*wdev
)
530 wdev
->retry
= WIRELESS_SETUP_RETRY
;
531 wdev
->autostart
= true;
532 __wireless_device_set_up(wdev
, 0);
536 wireless_device_reconf(struct wireless_device
*wdev
)
538 wdev
->retry
= WIRELESS_SETUP_RETRY
;
539 wdev
->autostart
= true;
540 __wireless_device_set_up(wdev
, wdev
->reconf
&& (wdev
->state
== IFS_UP
));
544 __wireless_device_set_down(struct wireless_device
*wdev
)
546 if (wdev
->state
== IFS_TEARDOWN
|| wdev
->state
== IFS_DOWN
)
549 if (wdev
->script_task
.uloop
.pending
) {
550 wireless_device_setup_cancel(wdev
);
554 wdev
->state
= IFS_TEARDOWN
;
555 wireless_device_run_handler(wdev
, false);
559 wireless_device_mark_up(struct wireless_device
*wdev
)
561 struct wireless_interface
*vif
;
562 struct wireless_vlan
*vlan
;
565 wdev
->cancel
= false;
566 __wireless_device_set_down(wdev
);
570 D(WIRELESS
, "Wireless device '%s' is now up\n", wdev
->name
);
571 wdev
->state
= IFS_UP
;
572 vlist_for_each_element(&wdev
->interfaces
, vif
, node
)
573 wireless_interface_handle_link(vif
, true);
574 vlist_for_each_element(&wdev
->vlans
, vlan
, node
)
575 wireless_vlan_handle_link(vlan
, true);
579 wireless_device_retry_setup(struct wireless_device
*wdev
)
581 if (wdev
->state
== IFS_TEARDOWN
|| wdev
->state
== IFS_DOWN
|| wdev
->cancel
)
584 if (--wdev
->retry
< 0)
585 wdev
->retry_setup_failed
= true;
587 __wireless_device_set_down(wdev
);
591 wireless_device_script_task_cb(struct netifd_process
*proc
, int ret
)
593 struct wireless_device
*wdev
= container_of(proc
, struct wireless_device
, script_task
);
595 switch (wdev
->state
) {
597 wireless_device_retry_setup(wdev
);
600 wireless_device_mark_down(wdev
);
606 if (wdev
->serialize
) {
607 handler_pending
= false;
608 wireless_handler_next();
613 wireless_device_set_down(struct wireless_device
*wdev
)
615 wdev
->retry_setup_failed
= false;
616 wdev
->autostart
= false;
617 __wireless_device_set_down(wdev
);
621 wdev_set_config_state(struct wireless_device
*wdev
, enum interface_config_state s
)
623 if (wdev
->config_state
!= IFC_NORMAL
)
626 wdev
->config_state
= s
;
627 if (wdev
->state
== IFS_DOWN
)
628 wdev_handle_config_change(wdev
);
629 else if (!wdev
->reconf
|| wdev
->state
!= IFS_UP
)
630 __wireless_device_set_down(wdev
);
634 wdev_prepare_prev_config(struct wireless_device
*wdev
)
636 if (wdev
->prev_config
)
639 prepare_config(wdev
, &b
, false);
640 wdev
->prev_config
= blob_memdup(b
.head
);
644 wdev_change_config(struct wireless_device
*wdev
, struct wireless_device
*wd_new
)
646 struct blob_attr
*new_config
= wd_new
->config
;
647 bool disabled
= wd_new
->disabled
;
651 wdev_prepare_prev_config(wdev
);
652 if (blob_attr_equal(wdev
->config
, new_config
) && wdev
->disabled
== disabled
)
655 D(WIRELESS
, "Update configuration of wireless device '%s'\n", wdev
->name
);
657 wdev
->config
= blob_memdup(new_config
);
658 wdev
->disabled
= disabled
;
659 wdev
->retry_setup_failed
= false;
660 wdev_set_config_state(wdev
, IFC_RELOAD
);
664 wdev_create(struct wireless_device
*wdev
)
666 wdev
->retry
= WIRELESS_SETUP_RETRY
;
667 wdev
->config
= blob_memdup(wdev
->config
);
671 wdev_update(struct vlist_tree
*tree
, struct vlist_node
*node_new
,
672 struct vlist_node
*node_old
)
674 struct wireless_device
*wd_old
= container_of(node_old
, struct wireless_device
, node
);
675 struct wireless_device
*wd_new
= container_of(node_new
, struct wireless_device
, node
);
677 if (wd_old
&& wd_new
) {
678 D(WIRELESS
, "Update wireless device '%s'\n", wd_old
->name
);
679 wdev_change_config(wd_old
, wd_new
);
681 D(WIRELESS
, "Delete wireless device '%s'\n", wd_old
->name
);
682 wdev_set_config_state(wd_old
, IFC_REMOVE
);
684 D(WIRELESS
, "Create wireless device '%s'\n", wd_new
->name
);
690 wireless_add_handler(const char *script
, const char *name
, json_object
*obj
)
692 struct wireless_driver
*drv
;
693 char *name_str
, *script_str
;
694 json_object
*dev_config_obj
, *iface_config_obj
, *vlan_config_obj
, *station_config_obj
;
695 struct uci_blob_param_list
*dev_config
, *iface_config
, *vlan_config
, *station_config
;
697 dev_config_obj
= json_get_field(obj
, "device", json_type_array
);
698 iface_config_obj
= json_get_field(obj
, "iface", json_type_array
);
699 vlan_config_obj
= json_get_field(obj
, "vlan", json_type_array
);
700 station_config_obj
= json_get_field(obj
, "station", json_type_array
);
702 if (!dev_config_obj
|| !iface_config_obj
|| !vlan_config_obj
|| !station_config_obj
)
705 drv
= calloc_a(sizeof(*drv
),
706 &dev_config
, sizeof(*dev_config
) + sizeof(void *),
707 &iface_config
, sizeof(*iface_config
) + sizeof(void *),
708 &vlan_config
, sizeof(*vlan_config
) + sizeof(void *),
709 &station_config
, sizeof(*station_config
) + sizeof(void *),
710 &name_str
, strlen(name
) + 1,
711 &script_str
, strlen(script
) + 1);
713 drv
->name
= strcpy(name_str
, name
);
714 drv
->script
= strcpy(script_str
, script
);
716 dev_config
->n_next
= 1;
717 dev_config
->next
[0] = &wdev_param
;
718 drv
->device
.config
= dev_config
;
720 iface_config
->n_next
= 1;
721 iface_config
->next
[0] = &vif_param
;
722 drv
->interface
.config
= iface_config
;
724 vlan_config
->n_next
= 1;
725 vlan_config
->next
[0] = &vlan_param
;
726 drv
->vlan
.config
= vlan_config
;
728 station_config
->n_next
= 1;
729 station_config
->next
[0] = &station_param
;
730 drv
->station
.config
= station_config
;
732 drv
->device
.buf
= netifd_handler_parse_config(drv
->device
.config
, dev_config_obj
);
733 drv
->interface
.buf
= netifd_handler_parse_config(drv
->interface
.config
, iface_config_obj
);
734 drv
->vlan
.buf
= netifd_handler_parse_config(drv
->vlan
.config
, vlan_config_obj
);
735 drv
->station
.buf
= netifd_handler_parse_config(drv
->station
.config
, station_config_obj
);
737 drv
->node
.key
= drv
->name
;
738 avl_insert(&wireless_drivers
, &drv
->node
);
739 D(WIRELESS
, "Add handler for script %s: %s\n", script
, name
);
742 void wireless_init(void)
744 vlist_init(&wireless_devices
, avl_strcmp
, wdev_update
);
745 wireless_devices
.keep_old
= true;
746 wireless_devices
.no_delete
= true;
748 avl_init(&wireless_drivers
, avl_strcmp
, false, NULL
);
749 drv_fd
= netifd_open_subdir("wireless");
753 netifd_init_script_handlers(drv_fd
, wireless_add_handler
);
757 wireless_interface_init_config(struct wireless_interface
*vif
)
759 struct blob_attr
*tb
[__VIF_ATTR_MAX
];
760 struct blob_attr
*cur
;
763 blobmsg_parse(vif_policy
, __VIF_ATTR_MAX
, tb
, blob_data(vif
->config
), blob_len(vif
->config
));
765 if ((cur
= tb
[VIF_ATTR_NETWORK
]))
768 cur
= tb
[VIF_ATTR_ISOLATE
];
770 vif
->isolate
= blobmsg_get_bool(cur
);
772 cur
= tb
[VIF_ATTR_MODE
];
774 vif
->ap_mode
= !strcmp(blobmsg_get_string(cur
), "ap");
778 vif_update(struct vlist_tree
*tree
, struct vlist_node
*node_new
,
779 struct vlist_node
*node_old
)
781 struct wireless_interface
*vif_old
= container_of(node_old
, struct wireless_interface
, node
);
782 struct wireless_interface
*vif_new
= container_of(node_new
, struct wireless_interface
, node
);
783 struct wireless_device
*wdev
;
786 wdev
= vif_old
->wdev
;
788 wdev
= vif_new
->wdev
;
790 if (vif_old
&& vif_new
) {
791 free((void *) vif_old
->section
);
792 vif_old
->section
= strdup(vif_new
->section
);
793 if (blob_attr_equal(vif_old
->config
, vif_new
->config
)) {
798 D(WIRELESS
, "Update wireless interface %s on device %s\n", vif_new
->name
, wdev
->name
);
799 wireless_interface_handle_link(vif_old
, false);
800 free(vif_old
->config
);
801 vif_old
->config
= blob_memdup(vif_new
->config
);
802 vif_old
->isolate
= vif_new
->isolate
;
803 vif_old
->ap_mode
= vif_new
->ap_mode
;
804 wireless_interface_init_config(vif_old
);
806 } else if (vif_new
) {
807 D(WIRELESS
, "Create new wireless interface %s on device %s\n", vif_new
->name
, wdev
->name
);
808 vif_new
->section
= strdup(vif_new
->section
);
809 vif_new
->config
= blob_memdup(vif_new
->config
);
810 wireless_interface_init_config(vif_new
);
811 } else if (vif_old
) {
812 D(WIRELESS
, "Delete wireless interface %s on device %s\n", vif_old
->name
, wdev
->name
);
813 wireless_interface_handle_link(vif_old
, false);
814 free((void *) vif_old
->section
);
815 free(vif_old
->config
);
819 wdev_set_config_state(wdev
, IFC_RELOAD
);
823 wireless_vlan_init_config(struct wireless_vlan
*vlan
)
825 struct blob_attr
*tb
[__VLAN_ATTR_MAX
];
826 struct blob_attr
*cur
;
828 vlan
->network
= NULL
;
829 blobmsg_parse(vlan_policy
, __VLAN_ATTR_MAX
, tb
, blob_data(vlan
->config
), blob_len(vlan
->config
));
831 if ((cur
= tb
[VLAN_ATTR_NETWORK
]))
834 cur
= tb
[VLAN_ATTR_ISOLATE
];
836 vlan
->isolate
= blobmsg_get_bool(cur
);
840 vlan_update(struct vlist_tree
*tree
, struct vlist_node
*node_new
,
841 struct vlist_node
*node_old
)
843 struct wireless_vlan
*vlan_old
= container_of(node_old
, struct wireless_vlan
, node
);
844 struct wireless_vlan
*vlan_new
= container_of(node_new
, struct wireless_vlan
, node
);
845 struct wireless_device
*wdev
;
848 wdev
= vlan_old
->wdev
;
850 wdev
= vlan_new
->wdev
;
852 if (vlan_old
&& vlan_new
) {
853 free((void *) vlan_old
->section
);
854 vlan_old
->section
= strdup(vlan_new
->section
);
855 if (blob_attr_equal(vlan_old
->config
, vlan_new
->config
)) {
860 D(WIRELESS
, "Update wireless vlan %s on device %s\n", vlan_new
->name
, wdev
->name
);
861 wireless_vlan_handle_link(vlan_old
, false);
862 free(vlan_old
->config
);
863 vlan_old
->config
= blob_memdup(vlan_new
->config
);
864 vlan_old
->isolate
= vlan_new
->isolate
;
865 wireless_vlan_init_config(vlan_old
);
867 } else if (vlan_new
) {
868 D(WIRELESS
, "Create new wireless vlan %s on device %s\n", vlan_new
->name
, wdev
->name
);
869 vlan_new
->section
= strdup(vlan_new
->section
);
870 vlan_new
->config
= blob_memdup(vlan_new
->config
);
871 wireless_vlan_init_config(vlan_new
);
872 } else if (vlan_old
) {
873 D(WIRELESS
, "Delete wireless interface %s on device %s\n", vlan_old
->name
, wdev
->name
);
874 wireless_vlan_handle_link(vlan_old
, false);
875 free((void *) vlan_old
->section
);
876 free(vlan_old
->config
);
880 wdev_set_config_state(wdev
, IFC_RELOAD
);
884 station_update(struct vlist_tree
*tree
, struct vlist_node
*node_new
,
885 struct vlist_node
*node_old
)
887 struct wireless_station
*sta_old
= container_of(node_old
, struct wireless_station
, node
);
888 struct wireless_station
*sta_new
= container_of(node_new
, struct wireless_station
, node
);
889 struct wireless_device
*wdev
;
892 wdev
= sta_old
->wdev
;
894 wdev
= sta_new
->wdev
;
896 if (sta_old
&& sta_new
) {
897 free((void *) sta_old
->section
);
898 sta_old
->section
= strdup(sta_new
->section
);
899 if (blob_attr_equal(sta_old
->config
, sta_new
->config
)) {
904 D(WIRELESS
, "Update wireless station %s on device %s\n", sta_new
->name
, wdev
->name
);
905 free(sta_old
->config
);
906 sta_old
->config
= blob_memdup(sta_new
->config
);
908 } else if (sta_new
) {
909 D(WIRELESS
, "Create new wireless station %s on device %s\n", sta_new
->name
, wdev
->name
);
910 sta_new
->section
= strdup(sta_new
->section
);
911 sta_new
->config
= blob_memdup(sta_new
->config
);
912 } else if (sta_old
) {
913 D(WIRELESS
, "Delete wireless station %s on device %s\n", sta_old
->name
, wdev
->name
);
914 free((void *) sta_old
->section
);
915 free(sta_old
->config
);
919 wdev_set_config_state(wdev
, IFC_RELOAD
);
923 wireless_proc_poll_fd(struct uloop_fd
*fd
, unsigned int events
)
925 struct wireless_device
*wdev
= container_of(fd
, struct wireless_device
, script_proc_fd
);
929 int b
= read(fd
->fd
, buf
, sizeof(buf
));
945 uloop_timeout_set(&wdev
->script_check
, 0);
946 wireless_close_script_proc_fd(wdev
);
950 wireless_device_check_script_tasks(struct uloop_timeout
*timeout
)
952 struct wireless_device
*wdev
= container_of(timeout
, struct wireless_device
, script_check
);
953 struct wireless_process
*proc
, *tmp
;
954 bool restart
= false;
956 list_for_each_entry_safe(proc
, tmp
, &wdev
->script_proc
, list
) {
957 if (wireless_process_check(proc
))
960 D(WIRELESS
, "Wireless device '%s' pid %d has terminated\n", wdev
->name
, proc
->pid
);
964 wireless_process_free(wdev
, proc
);
968 wireless_device_retry_setup(wdev
);
970 uloop_timeout_set(&wdev
->script_check
, 1000);
974 wireless_device_create(struct wireless_driver
*drv
, const char *name
, struct blob_attr
*data
)
976 struct wireless_device
*wdev
;
978 struct blob_attr
*tb
[__WDEV_ATTR_MAX
];
979 struct blob_attr
*cur
;
981 blobmsg_parse(wdev_policy
, __WDEV_ATTR_MAX
, tb
, blob_data(data
), blob_len(data
));
983 wdev
= calloc_a(sizeof(*wdev
), &name_buf
, strlen(name
) + 1);
985 cur
= tb
[WDEV_ATTR_DISABLED
];
986 wdev
->disabled
= cur
&& blobmsg_get_bool(cur
);
989 wdev
->state
= IFS_DOWN
;
990 wdev
->config_state
= IFC_NORMAL
;
991 wdev
->name
= strcpy(name_buf
, name
);
993 wdev
->handler_pending
= false;
995 cur
= tb
[WDEV_ATTR_SERIALIZE
];
996 wdev
->serialize
= cur
&& blobmsg_get_bool(cur
);
998 cur
= tb
[WDEV_ATTR_RECONF
];
999 wdev
->reconf
= cur
&& blobmsg_get_bool(cur
);
1001 wdev
->retry_setup_failed
= false;
1002 wdev
->autostart
= true;
1003 INIT_LIST_HEAD(&wdev
->script_proc
);
1004 vlist_init(&wdev
->interfaces
, avl_strcmp
, vif_update
);
1005 wdev
->interfaces
.keep_old
= true;
1006 vlist_init(&wdev
->vlans
, avl_strcmp
, vlan_update
);
1007 wdev
->vlans
.keep_old
= true;
1008 vlist_init(&wdev
->stations
, avl_strcmp
, station_update
);
1009 wdev
->stations
.keep_old
= true;
1011 wdev
->timeout
.cb
= wireless_device_setup_timeout
;
1012 wdev
->script_task
.cb
= wireless_device_script_task_cb
;
1013 wdev
->script_task
.dir_fd
= drv_fd
;
1014 wdev
->script_task
.log_prefix
= wdev
->name
;
1016 wdev
->script_proc_fd
.fd
= -1;
1017 wdev
->script_proc_fd
.cb
= wireless_proc_poll_fd
;
1019 wdev
->script_check
.cb
= wireless_device_check_script_tasks
;
1021 vlist_add(&wireless_devices
, &wdev
->node
, wdev
->name
);
1025 wireless_station_create(struct wireless_device
*wdev
, char *vif
, struct blob_attr
*data
, const char *section
)
1027 struct wireless_station
*sta
;
1028 struct blob_attr
*tb
[__STA_ATTR_MAX
];
1029 struct blob_attr
*cur
;
1030 char *name_buf
, *vif_buf
;
1033 blobmsg_parse(sta_policy
, __STA_ATTR_MAX
, tb
, blob_data(data
), blob_len(data
));
1035 cur
= tb
[STA_ATTR_DISABLED
];
1036 if (cur
&& blobmsg_get_bool(cur
))
1039 sprintf(name
, "%d", wdev
->vlan_idx
++);
1041 sta
= calloc_a(sizeof(*sta
),
1042 &name_buf
, strlen(name
) + 1,
1043 &vif_buf
, strlen(vif
) + 1);
1044 sta
->name
= strcpy(name_buf
, name
);
1045 sta
->vif
= strcpy(vif_buf
, vif
);
1048 sta
->section
= section
;
1050 vlist_add(&wdev
->stations
, &sta
->node
, sta
->name
);
1054 wireless_station_status(struct wireless_station
*sta
, struct blob_buf
*b
)
1058 i
= blobmsg_open_table(b
, NULL
);
1060 blobmsg_add_string(b
, "section", sta
->section
);
1061 put_container(b
, sta
->config
, "config");
1062 blobmsg_close_table(b
, i
);
1066 wireless_vlan_create(struct wireless_device
*wdev
, char *vif
, struct blob_attr
*data
, const char *section
)
1068 struct wireless_vlan
*vlan
;
1069 struct blob_attr
*tb
[__VLAN_ATTR_MAX
];
1070 struct blob_attr
*cur
;
1071 char *name_buf
, *vif_buf
;
1074 blobmsg_parse(vlan_policy
, __VLAN_ATTR_MAX
, tb
, blob_data(data
), blob_len(data
));
1076 cur
= tb
[VLAN_ATTR_DISABLED
];
1077 if (cur
&& blobmsg_get_bool(cur
))
1080 sprintf(name
, "%d", wdev
->vlan_idx
++);
1082 vlan
= calloc_a(sizeof(*vlan
),
1083 &name_buf
, strlen(name
) + 1,
1084 &vif_buf
, strlen(vif
) + 1);
1085 vlan
->name
= strcpy(name_buf
, name
);
1086 vlan
->vif
= strcpy(vif_buf
, vif
);
1088 vlan
->config
= data
;
1089 vlan
->section
= section
;
1090 vlan
->isolate
= false;
1092 vlist_add(&wdev
->vlans
, &vlan
->node
, vlan
->name
);
1096 wireless_vlan_status(struct wireless_vlan
*vlan
, struct blob_buf
*b
)
1100 i
= blobmsg_open_table(b
, NULL
);
1102 blobmsg_add_string(b
, "section", vlan
->section
);
1104 blobmsg_add_string(b
, "ifname", vlan
->ifname
);
1105 put_container(b
, vlan
->config
, "config");
1106 blobmsg_close_table(b
, i
);
1109 struct wireless_interface
* wireless_interface_create(struct wireless_device
*wdev
, struct blob_attr
*data
, const char *section
)
1111 struct wireless_interface
*vif
;
1112 struct blob_attr
*tb
[__VIF_ATTR_MAX
];
1113 struct blob_attr
*cur
;
1117 blobmsg_parse(vif_policy
, __VIF_ATTR_MAX
, tb
, blob_data(data
), blob_len(data
));
1119 cur
= tb
[VIF_ATTR_DISABLED
];
1120 if (cur
&& blobmsg_get_bool(cur
))
1123 sprintf(name
, "%d", wdev
->vif_idx
++);
1125 vif
= calloc_a(sizeof(*vif
),
1126 &name_buf
, strlen(name
) + 1);
1127 vif
->name
= strcpy(name_buf
, name
);
1130 vif
->section
= section
;
1131 vif
->isolate
= false;
1133 vlist_add(&wdev
->interfaces
, &vif
->node
, vif
->name
);
1135 return vlist_find(&wdev
->interfaces
, name
, vif
, node
);
1139 wireless_interface_status(struct wireless_interface
*iface
, struct blob_buf
*b
)
1141 struct wireless_vlan
*vlan
;
1142 struct wireless_station
*sta
;
1145 i
= blobmsg_open_table(b
, NULL
);
1147 blobmsg_add_string(b
, "section", iface
->section
);
1149 blobmsg_add_string(b
, "ifname", iface
->ifname
);
1150 put_container(b
, iface
->config
, "config");
1151 j
= blobmsg_open_array(b
, "vlans");
1152 vlist_for_each_element(&iface
->wdev
->vlans
, vlan
, node
)
1153 if (!strcmp(iface
->name
, vlan
->vif
))
1154 wireless_vlan_status(vlan
, b
);
1155 blobmsg_close_array(b
, j
);
1156 j
= blobmsg_open_array(b
, "stations");
1157 vlist_for_each_element(&iface
->wdev
->stations
, sta
, node
)
1158 if (!strcmp(iface
->name
, sta
->vif
))
1159 wireless_station_status(sta
, b
);
1160 blobmsg_close_array(b
, j
);
1161 blobmsg_close_table(b
, i
);
1165 wireless_device_status(struct wireless_device
*wdev
, struct blob_buf
*b
)
1167 struct wireless_interface
*iface
;
1170 c
= blobmsg_open_table(b
, wdev
->name
);
1171 blobmsg_add_u8(b
, "up", wdev
->state
== IFS_UP
);
1172 blobmsg_add_u8(b
, "pending", wdev
->state
== IFS_SETUP
|| wdev
->state
== IFS_TEARDOWN
);
1173 blobmsg_add_u8(b
, "autostart", wdev
->autostart
);
1174 blobmsg_add_u8(b
, "disabled", wdev
->disabled
);
1175 blobmsg_add_u8(b
, "retry_setup_failed", wdev
->retry_setup_failed
);
1176 put_container(b
, wdev
->config
, "config");
1178 i
= blobmsg_open_array(b
, "interfaces");
1179 vlist_for_each_element(&wdev
->interfaces
, iface
, node
)
1180 wireless_interface_status(iface
, b
);
1181 blobmsg_close_array(b
, i
);
1182 blobmsg_close_table(b
, c
);
1186 wireless_device_get_validate(struct wireless_device
*wdev
, struct blob_buf
*b
)
1188 struct uci_blob_param_list
*p
;
1192 c
= blobmsg_open_table(b
, wdev
->name
);
1194 d
= blobmsg_open_table(b
, "device");
1195 p
= wdev
->drv
->device
.config
;
1196 for (i
= 0; i
< p
->n_params
; i
++)
1197 blobmsg_add_string(b
, p
->params
[i
].name
, uci_get_validate_string(p
, i
));
1198 blobmsg_close_table(b
, d
);
1200 d
= blobmsg_open_table(b
, "interface");
1201 p
= wdev
->drv
->interface
.config
;
1202 for (i
= 0; i
< p
->n_params
; i
++)
1203 blobmsg_add_string(b
, p
->params
[i
].name
, uci_get_validate_string(p
, i
));
1204 blobmsg_close_table(b
, d
);
1206 blobmsg_close_table(b
, c
);
1210 wireless_interface_set_data(struct wireless_interface
*vif
)
1216 static const struct blobmsg_policy data_policy
[__VIF_DATA_MAX
] = {
1217 [VIF_DATA_IFNAME
] = { .name
= "ifname", .type
= BLOBMSG_TYPE_STRING
},
1219 struct blob_attr
*tb
[__VIF_DATA_MAX
];
1220 struct blob_attr
*cur
;
1222 blobmsg_parse(data_policy
, __VIF_DATA_MAX
, tb
,
1223 blobmsg_data(vif
->data
), blobmsg_data_len(vif
->data
));
1225 if ((cur
= tb
[VIF_DATA_IFNAME
]))
1226 vif
->ifname
= blobmsg_data(cur
);
1230 wireless_vlan_set_data(struct wireless_vlan
*vlan
)
1236 static const struct blobmsg_policy data_policy
[__VLAN_DATA_MAX
] = {
1237 [VLAN_DATA_IFNAME
] = { .name
= "ifname", .type
= BLOBMSG_TYPE_STRING
},
1239 struct blob_attr
*tb
[__VLAN_DATA_MAX
];
1240 struct blob_attr
*cur
;
1242 blobmsg_parse(data_policy
, __VLAN_DATA_MAX
, tb
,
1243 blobmsg_data(vlan
->data
), blobmsg_data_len(vlan
->data
));
1245 if ((cur
= tb
[VLAN_DATA_IFNAME
]))
1246 vlan
->ifname
= blobmsg_data(cur
);
1250 wireless_device_add_process(struct wireless_device
*wdev
, struct blob_attr
*data
)
1259 static const struct blobmsg_policy proc_policy
[__PROC_ATTR_MAX
] = {
1260 [PROC_ATTR_PID
] = { .name
= "pid", .type
= BLOBMSG_TYPE_INT32
},
1261 [PROC_ATTR_EXE
] = { .name
= "exe", .type
= BLOBMSG_TYPE_STRING
},
1262 [PROC_ATTR_REQUIRED
] = { .name
= "required", .type
= BLOBMSG_TYPE_BOOL
},
1263 [PROC_ATTR_KEEP
] = { .name
= "keep", .type
= BLOBMSG_TYPE_BOOL
},
1265 struct blob_attr
*tb
[__PROC_ATTR_MAX
];
1266 struct wireless_process
*proc
;
1271 return UBUS_STATUS_INVALID_ARGUMENT
;
1273 blobmsg_parse(proc_policy
, __PROC_ATTR_MAX
, tb
, blobmsg_data(data
), blobmsg_data_len(data
));
1274 if (!tb
[PROC_ATTR_PID
] || !tb
[PROC_ATTR_EXE
])
1275 return UBUS_STATUS_INVALID_ARGUMENT
;
1277 pid
= blobmsg_get_u32(tb
[PROC_ATTR_PID
]);
1279 return UBUS_STATUS_INVALID_ARGUMENT
;
1281 proc
= calloc_a(sizeof(*proc
),
1282 &name
, strlen(blobmsg_data(tb
[PROC_ATTR_EXE
])) + 1);
1285 proc
->exe
= strcpy(name
, blobmsg_data(tb
[PROC_ATTR_EXE
]));
1287 if (tb
[PROC_ATTR_REQUIRED
])
1288 proc
->required
= blobmsg_get_bool(tb
[PROC_ATTR_REQUIRED
]);
1290 if (tb
[PROC_ATTR_KEEP
])
1291 proc
->keep
= blobmsg_get_bool(tb
[PROC_ATTR_KEEP
]);
1293 D(WIRELESS
, "Wireless device '%s' add pid %d\n", wdev
->name
, proc
->pid
);
1294 list_add(&proc
->list
, &wdev
->script_proc
);
1295 uloop_timeout_set(&wdev
->script_check
, 0);
1301 wireless_device_process_kill_all(struct wireless_device
*wdev
, struct blob_attr
*data
,
1302 struct ubus_request_data
*req
)
1306 KILL_ATTR_IMMEDIATE
,
1309 static const struct blobmsg_policy kill_policy
[__KILL_ATTR_MAX
] = {
1310 [KILL_ATTR_SIGNAL
] = { .name
= "signal", .type
= BLOBMSG_TYPE_INT32
},
1311 [KILL_ATTR_IMMEDIATE
] = { .name
= "immediate", .type
= BLOBMSG_TYPE_BOOL
},
1313 struct blob_attr
*tb
[__KILL_ATTR_MAX
];
1314 struct blob_attr
*cur
;
1315 bool immediate
= false;
1316 int signal
= SIGTERM
;
1318 blobmsg_parse(kill_policy
, __KILL_ATTR_MAX
, tb
, blobmsg_data(data
), blobmsg_data_len(data
));
1320 if ((cur
= tb
[KILL_ATTR_SIGNAL
]))
1321 signal
= blobmsg_get_u32(cur
);
1323 if ((cur
= tb
[KILL_ATTR_IMMEDIATE
]))
1324 immediate
= blobmsg_get_bool(cur
);
1326 if (wdev
->state
!= IFS_TEARDOWN
|| wdev
->kill_request
)
1327 return UBUS_STATUS_PERMISSION_DENIED
;
1329 wireless_process_kill_all(wdev
, signal
, immediate
);
1331 if (list_empty(&wdev
->script_proc
))
1334 wdev
->kill_request
= calloc(1, sizeof(*wdev
->kill_request
));
1335 ubus_defer_request(ubus_ctx
, req
, wdev
->kill_request
);
1341 wireless_device_set_retry(struct wireless_device
*wdev
, struct blob_attr
*data
)
1343 static const struct blobmsg_policy retry_policy
= {
1344 .name
= "retry", .type
= BLOBMSG_TYPE_INT32
1346 struct blob_attr
*val
;
1348 blobmsg_parse(&retry_policy
, 1, &val
, blobmsg_data(data
), blobmsg_data_len(data
));
1350 return UBUS_STATUS_INVALID_ARGUMENT
;
1352 wdev
->retry
= blobmsg_get_u32(val
);
1358 NOTIFY_CMD_SET_DATA
= 1,
1359 NOTIFY_CMD_PROCESS_ADD
= 2,
1360 NOTIFY_CMD_PROCESS_KILL_ALL
= 3,
1361 NOTIFY_CMD_SET_RETRY
= 4,
1365 wireless_device_notify(struct wireless_device
*wdev
, struct blob_attr
*data
,
1366 struct ubus_request_data
*req
)
1369 NOTIFY_ATTR_COMMAND
,
1375 static const struct blobmsg_policy notify_policy
[__NOTIFY_MAX
] = {
1376 [NOTIFY_ATTR_COMMAND
] = { .name
= "command", .type
= BLOBMSG_TYPE_INT32
},
1377 [NOTIFY_ATTR_VIF
] = { .name
= "interface", .type
= BLOBMSG_TYPE_STRING
},
1378 [NOTIFY_ATTR_VLAN
] = { .name
= "vlan", .type
= BLOBMSG_TYPE_STRING
},
1379 [NOTIFY_ATTR_DATA
] = { .name
= "data", .type
= BLOBMSG_TYPE_TABLE
},
1381 struct wireless_interface
*vif
= NULL
;
1382 struct wireless_vlan
*vlan
= NULL
;
1383 struct blob_attr
*tb
[__NOTIFY_MAX
];
1384 struct blob_attr
*cur
, **pdata
;
1386 blobmsg_parse(notify_policy
, __NOTIFY_MAX
, tb
, blob_data(data
), blob_len(data
));
1388 if (!tb
[NOTIFY_ATTR_COMMAND
])
1389 return UBUS_STATUS_INVALID_ARGUMENT
;
1391 if ((cur
= tb
[NOTIFY_ATTR_VIF
]) != NULL
) {
1392 vif
= vlist_find(&wdev
->interfaces
, blobmsg_data(cur
), vif
, node
);
1394 return UBUS_STATUS_NOT_FOUND
;
1397 if ((cur
= tb
[NOTIFY_ATTR_VLAN
]) != NULL
) {
1398 vlan
= vlist_find(&wdev
->vlans
, blobmsg_data(cur
), vlan
, node
);
1400 return UBUS_STATUS_NOT_FOUND
;
1403 cur
= tb
[NOTIFY_ATTR_DATA
];
1405 return UBUS_STATUS_INVALID_ARGUMENT
;
1407 switch (blobmsg_get_u32(tb
[NOTIFY_ATTR_COMMAND
])) {
1410 return UBUS_STATUS_INVALID_ARGUMENT
;
1412 if (wdev
->state
!= IFS_SETUP
)
1413 return UBUS_STATUS_PERMISSION_DENIED
;
1415 wireless_device_mark_up(wdev
);
1417 case NOTIFY_CMD_SET_DATA
:
1421 pdata
= &vlan
->data
;
1423 pdata
= &wdev
->data
;
1426 return UBUS_STATUS_INVALID_ARGUMENT
;
1428 *pdata
= blob_memdup(cur
);
1430 wireless_interface_set_data(vif
);
1432 wireless_vlan_set_data(vlan
);
1434 case NOTIFY_CMD_PROCESS_ADD
:
1435 return wireless_device_add_process(wdev
, cur
);
1436 case NOTIFY_CMD_PROCESS_KILL_ALL
:
1437 return wireless_device_process_kill_all(wdev
, cur
, req
);
1438 case NOTIFY_CMD_SET_RETRY
:
1439 return wireless_device_set_retry(wdev
, cur
);
1441 return UBUS_STATUS_INVALID_ARGUMENT
;
1448 wireless_start_pending(void)
1450 struct wireless_device
*wdev
;
1452 vlist_for_each_element(&wireless_devices
, wdev
, node
)
1453 __wireless_device_set_up(wdev
, 0);