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
;
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
)
146 if (dev
->hotplug_ops
&& dev
->hotplug_ops
->prepare
)
147 dev
->hotplug_ops
->prepare(dev
, &dev
);
149 if (!dev
|| !dev
->type
->bridge_capability
)
152 blobmsg_add_string(buf
, "bridge", dev
->ifname
);
154 if (dev
->settings
.flags
& DEV_OPT_MULTICAST_TO_UNICAST
)
155 blobmsg_add_u8(buf
, "multicast_to_unicast",
156 dev
->settings
.multicast_to_unicast
);
160 prepare_config(struct wireless_device
*wdev
, struct blob_buf
*buf
, bool up
)
162 struct wireless_interface
*vif
;
163 struct wireless_vlan
*vlan
;
164 struct wireless_station
*sta
;
167 blob_buf_init(&b
, 0);
168 put_container(&b
, wdev
->config
, "config");
170 blobmsg_add_blob(&b
, wdev
->data
);
172 l
= blobmsg_open_table(&b
, "interfaces");
173 vlist_for_each_element(&wdev
->interfaces
, vif
, node
) {
174 i
= blobmsg_open_table(&b
, vif
->name
);
175 vif_config_add_bridge(&b
, vif
->network
, up
);
176 put_container(&b
, vif
->config
, "config");
178 blobmsg_add_blob(&b
, vif
->data
);
180 j
= blobmsg_open_table(&b
, "vlans");
181 vlist_for_each_element(&wdev
->vlans
, vlan
, node
) {
182 if (strcmp(vlan
->vif
, vif
->name
))
184 k
= blobmsg_open_table(&b
, vlan
->name
);
185 vif_config_add_bridge(&b
, vlan
->network
, up
);
186 put_container(&b
, vlan
->config
, "config");
188 blobmsg_add_blob(&b
, vlan
->data
);
189 blobmsg_close_table(&b
, k
);
191 blobmsg_close_table(&b
, j
);
193 j
= blobmsg_open_table(&b
, "stas");
194 vlist_for_each_element(&wdev
->stations
, sta
, node
) {
195 if (strcmp(sta
->vif
, vif
->name
))
197 k
= blobmsg_open_table(&b
, sta
->name
);
198 put_container(&b
, sta
->config
, "config");
200 blobmsg_add_blob(&b
, sta
->data
);
201 blobmsg_close_table(&b
, k
);
203 blobmsg_close_table(&b
, j
);
204 blobmsg_close_table(&b
, i
);
206 blobmsg_close_table(&b
, l
);
211 wireless_process_check(struct wireless_process
*proc
)
213 return check_pid_path(proc
->pid
, proc
->exe
);
217 wireless_complete_kill_request(struct wireless_device
*wdev
)
219 if (!wdev
->kill_request
)
222 ubus_complete_deferred_request(ubus_ctx
, wdev
->kill_request
, 0);
223 free(wdev
->kill_request
);
224 wdev
->kill_request
= NULL
;
228 wireless_process_free(struct wireless_device
*wdev
, struct wireless_process
*proc
)
230 D(WIRELESS
, "Wireless device '%s' free pid %d\n", wdev
->name
, proc
->pid
);
231 list_del(&proc
->list
);
234 if (list_empty(&wdev
->script_proc
))
235 wireless_complete_kill_request(wdev
);
239 wireless_close_script_proc_fd(struct wireless_device
*wdev
)
241 if (wdev
->script_proc_fd
.fd
< 0)
244 uloop_fd_delete(&wdev
->script_proc_fd
);
245 close(wdev
->script_proc_fd
.fd
);
246 wdev
->script_proc_fd
.fd
= -1;
250 wireless_process_kill_all(struct wireless_device
*wdev
, int signal
, bool free
)
252 struct wireless_process
*proc
, *tmp
;
254 list_for_each_entry_safe(proc
, tmp
, &wdev
->script_proc
, list
) {
255 bool check
= wireless_process_check(proc
);
258 D(WIRELESS
, "Wireless device '%s' kill pid %d\n", wdev
->name
, proc
->pid
);
259 kill(proc
->pid
, signal
);
263 wireless_process_free(wdev
, proc
);
267 wireless_close_script_proc_fd(wdev
);
271 wireless_device_free_state(struct wireless_device
*wdev
)
273 struct wireless_interface
*vif
;
274 struct wireless_vlan
*vlan
;
275 struct wireless_station
*sta
;
277 wireless_handler_stop(wdev
);
278 uloop_timeout_cancel(&wdev
->script_check
);
279 uloop_timeout_cancel(&wdev
->timeout
);
280 wireless_complete_kill_request(wdev
);
283 vlist_for_each_element(&wdev
->interfaces
, vif
, node
) {
288 vlist_for_each_element(&wdev
->vlans
, vlan
, node
) {
293 vlist_for_each_element(&wdev
->stations
, sta
, node
) {
299 static void wireless_interface_handle_link(struct wireless_interface
*vif
, bool up
)
301 struct interface
*iface
;
302 struct blob_attr
*cur
;
306 if (!vif
->network
|| !vif
->ifname
)
310 struct device
*dev
= device_get(vif
->ifname
, 2);
312 dev
->wireless_isolate
= vif
->isolate
;
313 dev
->wireless
= true;
314 dev
->wireless_ap
= vif
->ap_mode
;
318 blobmsg_for_each_attr(cur
, vif
->network
, rem
) {
319 network
= blobmsg_data(cur
);
321 iface
= vlist_find(&interfaces
, network
, iface
, node
);
325 interface_handle_link(iface
, vif
->ifname
, NULL
, up
, true);
329 static void wireless_vlan_handle_link(struct wireless_vlan
*vlan
, bool up
)
331 struct interface
*iface
;
332 struct blob_attr
*cur
;
336 if (!vlan
->network
|| !vlan
->ifname
)
340 struct device
*dev
= device_get(vlan
->ifname
, 2);
342 dev
->wireless_isolate
= vlan
->isolate
;
343 dev
->wireless
= true;
344 dev
->wireless_ap
= true;
348 blobmsg_for_each_attr(cur
, vlan
->network
, rem
) {
349 network
= blobmsg_data(cur
);
351 iface
= vlist_find(&interfaces
, network
, iface
, node
);
355 interface_handle_link(iface
, vlan
->ifname
, NULL
, up
, true);
360 wireless_device_setup_cancel(struct wireless_device
*wdev
)
365 wireless_handler_stop(wdev
);
366 D(WIRELESS
, "Cancel wireless device '%s' setup\n", wdev
->name
);
368 uloop_timeout_set(&wdev
->timeout
, 10 * 1000);
372 wireless_device_run_handler(struct wireless_device
*wdev
, bool up
)
374 const char *action
= up
? "setup" : "teardown";
378 int fds
[2] = { -1, -1 };
380 wireless_handler_stop(wdev
);
382 if (handler_pending
&& wdev
->serialize
) {
383 wdev
->handler_action
= up
;
384 wdev
->handler_pending
= true;
385 list_add_tail(&wdev
->handler
, &handlers
);
389 handler_pending
= true;
391 D(WIRELESS
, "Wireless device '%s' run %s handler\n", wdev
->name
, action
);
392 if (!up
&& wdev
->prev_config
) {
393 config
= blobmsg_format_json(wdev
->prev_config
, true);
394 free(wdev
->prev_config
);
395 wdev
->prev_config
= NULL
;
397 prepare_config(wdev
, &b
, up
);
398 config
= blobmsg_format_json(b
.head
, true);
401 argv
[i
++] = wdev
->drv
->script
;
402 argv
[i
++] = wdev
->drv
->name
;
404 argv
[i
++] = wdev
->name
;
408 if (up
&& pipe(fds
) == 0) {
409 wdev
->script_proc_fd
.fd
= fds
[0];
410 uloop_fd_add(&wdev
->script_proc_fd
,
411 ULOOP_READ
| ULOOP_EDGE_TRIGGER
);
414 netifd_start_process(argv
, NULL
, &wdev
->script_task
);
423 wireless_handler_next(void)
425 struct wireless_device
*wdev
;
429 if (list_empty(&handlers
))
431 wdev
= list_first_entry(&handlers
, struct wireless_device
, handler
);
432 list_del(&wdev
->handler
);
433 wdev
->handler_pending
= false;
434 wireless_device_run_handler(wdev
, wdev
->handler_action
);
438 __wireless_device_set_up(struct wireless_device
*wdev
, int force
)
443 if (wdev
->retry_setup_failed
)
446 if (!wdev
->autostart
)
449 if (!force
&& (wdev
->state
!= IFS_DOWN
|| config_init
))
452 free(wdev
->prev_config
);
453 wdev
->prev_config
= NULL
;
454 wdev
->state
= IFS_SETUP
;
455 wireless_device_run_handler(wdev
, true);
459 wireless_device_free(struct wireless_device
*wdev
)
461 wireless_handler_stop(wdev
);
462 vlist_flush_all(&wdev
->interfaces
);
463 vlist_flush_all(&wdev
->vlans
);
464 vlist_flush_all(&wdev
->stations
);
465 avl_delete(&wireless_devices
.avl
, &wdev
->node
.avl
);
467 free(wdev
->prev_config
);
472 wdev_handle_config_change(struct wireless_device
*wdev
)
474 enum interface_config_state state
= wdev
->config_state
;
479 __wireless_device_set_up(wdev
, 0);
481 wdev
->config_state
= IFC_NORMAL
;
484 wireless_device_free(wdev
);
490 wireless_device_mark_down(struct wireless_device
*wdev
)
492 struct wireless_interface
*vif
;
493 struct wireless_vlan
*vlan
;
495 D(WIRELESS
, "Wireless device '%s' is now down\n", wdev
->name
);
497 vlist_for_each_element(&wdev
->vlans
, vlan
, node
)
498 wireless_vlan_handle_link(vlan
, false);
500 vlist_for_each_element(&wdev
->interfaces
, vif
, node
)
501 wireless_interface_handle_link(vif
, false);
503 wireless_process_kill_all(wdev
, SIGTERM
, true);
505 wdev
->cancel
= false;
506 wdev
->state
= IFS_DOWN
;
507 wireless_device_free_state(wdev
);
508 wdev_handle_config_change(wdev
);
512 wireless_device_setup_timeout(struct uloop_timeout
*timeout
)
514 struct wireless_device
*wdev
= container_of(timeout
, struct wireless_device
, timeout
);
516 if (wdev
->handler_pending
) {
517 wdev
->handler_pending
= false;
518 list_del(&wdev
->handler
);
520 netifd_kill_process(&wdev
->script_task
);
521 wdev
->script_task
.cb(&wdev
->script_task
, -1);
522 wireless_device_mark_down(wdev
);
526 wireless_device_set_up(struct wireless_device
*wdev
)
528 wdev
->retry
= WIRELESS_SETUP_RETRY
;
529 wdev
->autostart
= true;
530 __wireless_device_set_up(wdev
, 0);
534 wireless_device_reconf(struct wireless_device
*wdev
)
536 wdev
->retry
= WIRELESS_SETUP_RETRY
;
537 wdev
->autostart
= true;
538 __wireless_device_set_up(wdev
, wdev
->reconf
&& (wdev
->state
== IFS_UP
));
542 __wireless_device_set_down(struct wireless_device
*wdev
)
544 if (wdev
->state
== IFS_TEARDOWN
|| wdev
->state
== IFS_DOWN
)
547 if (wdev
->script_task
.uloop
.pending
) {
548 wireless_device_setup_cancel(wdev
);
552 wdev
->state
= IFS_TEARDOWN
;
553 wireless_device_run_handler(wdev
, false);
557 wireless_device_mark_up(struct wireless_device
*wdev
)
559 struct wireless_interface
*vif
;
560 struct wireless_vlan
*vlan
;
563 wdev
->cancel
= false;
564 __wireless_device_set_down(wdev
);
568 D(WIRELESS
, "Wireless device '%s' is now up\n", wdev
->name
);
569 wdev
->state
= IFS_UP
;
570 vlist_for_each_element(&wdev
->interfaces
, vif
, node
)
571 wireless_interface_handle_link(vif
, true);
572 vlist_for_each_element(&wdev
->vlans
, vlan
, node
)
573 wireless_vlan_handle_link(vlan
, true);
577 wireless_device_retry_setup(struct wireless_device
*wdev
)
579 if (wdev
->state
== IFS_TEARDOWN
|| wdev
->state
== IFS_DOWN
|| wdev
->cancel
)
582 if (--wdev
->retry
< 0)
583 wdev
->retry_setup_failed
= true;
585 __wireless_device_set_down(wdev
);
589 wireless_device_script_task_cb(struct netifd_process
*proc
, int ret
)
591 struct wireless_device
*wdev
= container_of(proc
, struct wireless_device
, script_task
);
593 switch (wdev
->state
) {
595 wireless_device_retry_setup(wdev
);
598 wireless_device_mark_down(wdev
);
604 if (wdev
->serialize
) {
605 handler_pending
= false;
606 wireless_handler_next();
611 wireless_device_set_down(struct wireless_device
*wdev
)
613 wdev
->retry_setup_failed
= false;
614 wdev
->autostart
= false;
615 __wireless_device_set_down(wdev
);
619 wdev_set_config_state(struct wireless_device
*wdev
, enum interface_config_state s
)
621 if (wdev
->config_state
!= IFC_NORMAL
)
624 wdev
->config_state
= s
;
625 if (wdev
->state
== IFS_DOWN
)
626 wdev_handle_config_change(wdev
);
627 else if (!wdev
->reconf
|| wdev
->state
!= IFS_UP
)
628 __wireless_device_set_down(wdev
);
632 wdev_prepare_prev_config(struct wireless_device
*wdev
)
634 if (wdev
->prev_config
)
637 prepare_config(wdev
, &b
, false);
638 wdev
->prev_config
= blob_memdup(b
.head
);
642 wdev_change_config(struct wireless_device
*wdev
, struct wireless_device
*wd_new
)
644 struct blob_attr
*new_config
= wd_new
->config
;
645 bool disabled
= wd_new
->disabled
;
649 wdev_prepare_prev_config(wdev
);
650 if (blob_attr_equal(wdev
->config
, new_config
) && wdev
->disabled
== disabled
)
653 D(WIRELESS
, "Update configuration of wireless device '%s'\n", wdev
->name
);
655 wdev
->config
= blob_memdup(new_config
);
656 wdev
->disabled
= disabled
;
657 wdev
->retry_setup_failed
= false;
658 wdev_set_config_state(wdev
, IFC_RELOAD
);
662 wdev_create(struct wireless_device
*wdev
)
664 wdev
->retry
= WIRELESS_SETUP_RETRY
;
665 wdev
->config
= blob_memdup(wdev
->config
);
669 wdev_update(struct vlist_tree
*tree
, struct vlist_node
*node_new
,
670 struct vlist_node
*node_old
)
672 struct wireless_device
*wd_old
= container_of(node_old
, struct wireless_device
, node
);
673 struct wireless_device
*wd_new
= container_of(node_new
, struct wireless_device
, node
);
675 if (wd_old
&& wd_new
) {
676 D(WIRELESS
, "Update wireless device '%s'\n", wd_old
->name
);
677 wdev_change_config(wd_old
, wd_new
);
679 D(WIRELESS
, "Delete wireless device '%s'\n", wd_old
->name
);
680 wdev_set_config_state(wd_old
, IFC_REMOVE
);
682 D(WIRELESS
, "Create wireless device '%s'\n", wd_new
->name
);
688 wireless_add_handler(const char *script
, const char *name
, json_object
*obj
)
690 struct wireless_driver
*drv
;
691 char *name_str
, *script_str
;
692 json_object
*dev_config_obj
, *iface_config_obj
, *vlan_config_obj
, *station_config_obj
;
693 struct uci_blob_param_list
*dev_config
, *iface_config
, *vlan_config
, *station_config
;
695 dev_config_obj
= json_get_field(obj
, "device", json_type_array
);
696 iface_config_obj
= json_get_field(obj
, "iface", json_type_array
);
697 vlan_config_obj
= json_get_field(obj
, "vlan", json_type_array
);
698 station_config_obj
= json_get_field(obj
, "station", json_type_array
);
700 if (!dev_config_obj
|| !iface_config_obj
|| !vlan_config_obj
|| !station_config_obj
)
703 drv
= calloc_a(sizeof(*drv
),
704 &dev_config
, sizeof(*dev_config
) + sizeof(void *),
705 &iface_config
, sizeof(*iface_config
) + sizeof(void *),
706 &vlan_config
, sizeof(*vlan_config
) + sizeof(void *),
707 &station_config
, sizeof(*station_config
) + sizeof(void *),
708 &name_str
, strlen(name
) + 1,
709 &script_str
, strlen(script
) + 1);
711 drv
->name
= strcpy(name_str
, name
);
712 drv
->script
= strcpy(script_str
, script
);
714 dev_config
->n_next
= 1;
715 dev_config
->next
[0] = &wdev_param
;
716 drv
->device
.config
= dev_config
;
718 iface_config
->n_next
= 1;
719 iface_config
->next
[0] = &vif_param
;
720 drv
->interface
.config
= iface_config
;
722 vlan_config
->n_next
= 1;
723 vlan_config
->next
[0] = &vlan_param
;
724 drv
->vlan
.config
= vlan_config
;
726 station_config
->n_next
= 1;
727 station_config
->next
[0] = &station_param
;
728 drv
->station
.config
= station_config
;
730 drv
->device
.buf
= netifd_handler_parse_config(drv
->device
.config
, dev_config_obj
);
731 drv
->interface
.buf
= netifd_handler_parse_config(drv
->interface
.config
, iface_config_obj
);
732 drv
->vlan
.buf
= netifd_handler_parse_config(drv
->vlan
.config
, vlan_config_obj
);
733 drv
->station
.buf
= netifd_handler_parse_config(drv
->station
.config
, station_config_obj
);
735 drv
->node
.key
= drv
->name
;
736 avl_insert(&wireless_drivers
, &drv
->node
);
737 D(WIRELESS
, "Add handler for script %s: %s\n", script
, name
);
740 void wireless_init(void)
742 vlist_init(&wireless_devices
, avl_strcmp
, wdev_update
);
743 wireless_devices
.keep_old
= true;
744 wireless_devices
.no_delete
= true;
746 avl_init(&wireless_drivers
, avl_strcmp
, false, NULL
);
747 drv_fd
= netifd_open_subdir("wireless");
751 netifd_init_script_handlers(drv_fd
, wireless_add_handler
);
755 wireless_interface_init_config(struct wireless_interface
*vif
)
757 struct blob_attr
*tb
[__VIF_ATTR_MAX
];
758 struct blob_attr
*cur
;
761 blobmsg_parse(vif_policy
, __VIF_ATTR_MAX
, tb
, blob_data(vif
->config
), blob_len(vif
->config
));
763 if ((cur
= tb
[VIF_ATTR_NETWORK
]))
766 cur
= tb
[VIF_ATTR_ISOLATE
];
768 vif
->isolate
= blobmsg_get_bool(cur
);
770 cur
= tb
[VIF_ATTR_MODE
];
772 vif
->ap_mode
= !strcmp(blobmsg_get_string(cur
), "ap");
776 vif_update(struct vlist_tree
*tree
, struct vlist_node
*node_new
,
777 struct vlist_node
*node_old
)
779 struct wireless_interface
*vif_old
= container_of(node_old
, struct wireless_interface
, node
);
780 struct wireless_interface
*vif_new
= container_of(node_new
, struct wireless_interface
, node
);
781 struct wireless_device
*wdev
;
784 wdev
= vif_old
->wdev
;
786 wdev
= vif_new
->wdev
;
788 if (vif_old
&& vif_new
) {
789 free((void *) vif_old
->section
);
790 vif_old
->section
= strdup(vif_new
->section
);
791 if (blob_attr_equal(vif_old
->config
, vif_new
->config
)) {
796 D(WIRELESS
, "Update wireless interface %s on device %s\n", vif_new
->name
, wdev
->name
);
797 wireless_interface_handle_link(vif_old
, false);
798 free(vif_old
->config
);
799 vif_old
->config
= blob_memdup(vif_new
->config
);
800 vif_old
->isolate
= vif_new
->isolate
;
801 vif_old
->ap_mode
= vif_new
->ap_mode
;
802 wireless_interface_init_config(vif_old
);
804 } else if (vif_new
) {
805 D(WIRELESS
, "Create new wireless interface %s on device %s\n", vif_new
->name
, wdev
->name
);
806 vif_new
->section
= strdup(vif_new
->section
);
807 vif_new
->config
= blob_memdup(vif_new
->config
);
808 wireless_interface_init_config(vif_new
);
809 } else if (vif_old
) {
810 D(WIRELESS
, "Delete wireless interface %s on device %s\n", vif_old
->name
, wdev
->name
);
811 wireless_interface_handle_link(vif_old
, false);
812 free((void *) vif_old
->section
);
813 free(vif_old
->config
);
817 wdev_set_config_state(wdev
, IFC_RELOAD
);
821 wireless_vlan_init_config(struct wireless_vlan
*vlan
)
823 struct blob_attr
*tb
[__VLAN_ATTR_MAX
];
824 struct blob_attr
*cur
;
826 vlan
->network
= NULL
;
827 blobmsg_parse(vlan_policy
, __VLAN_ATTR_MAX
, tb
, blob_data(vlan
->config
), blob_len(vlan
->config
));
829 if ((cur
= tb
[VLAN_ATTR_NETWORK
]))
832 cur
= tb
[VLAN_ATTR_ISOLATE
];
834 vlan
->isolate
= blobmsg_get_bool(cur
);
838 vlan_update(struct vlist_tree
*tree
, struct vlist_node
*node_new
,
839 struct vlist_node
*node_old
)
841 struct wireless_vlan
*vlan_old
= container_of(node_old
, struct wireless_vlan
, node
);
842 struct wireless_vlan
*vlan_new
= container_of(node_new
, struct wireless_vlan
, node
);
843 struct wireless_device
*wdev
;
846 wdev
= vlan_old
->wdev
;
848 wdev
= vlan_new
->wdev
;
850 if (vlan_old
&& vlan_new
) {
851 free((void *) vlan_old
->section
);
852 vlan_old
->section
= strdup(vlan_new
->section
);
853 if (blob_attr_equal(vlan_old
->config
, vlan_new
->config
)) {
858 D(WIRELESS
, "Update wireless vlan %s on device %s\n", vlan_new
->name
, wdev
->name
);
859 wireless_vlan_handle_link(vlan_old
, false);
860 free(vlan_old
->config
);
861 vlan_old
->config
= blob_memdup(vlan_new
->config
);
862 vlan_old
->isolate
= vlan_new
->isolate
;
863 wireless_vlan_init_config(vlan_old
);
865 } else if (vlan_new
) {
866 D(WIRELESS
, "Create new wireless vlan %s on device %s\n", vlan_new
->name
, wdev
->name
);
867 vlan_new
->section
= strdup(vlan_new
->section
);
868 vlan_new
->config
= blob_memdup(vlan_new
->config
);
869 wireless_vlan_init_config(vlan_new
);
870 } else if (vlan_old
) {
871 D(WIRELESS
, "Delete wireless interface %s on device %s\n", vlan_old
->name
, wdev
->name
);
872 wireless_vlan_handle_link(vlan_old
, false);
873 free((void *) vlan_old
->section
);
874 free(vlan_old
->config
);
878 wdev_set_config_state(wdev
, IFC_RELOAD
);
882 station_update(struct vlist_tree
*tree
, struct vlist_node
*node_new
,
883 struct vlist_node
*node_old
)
885 struct wireless_station
*sta_old
= container_of(node_old
, struct wireless_station
, node
);
886 struct wireless_station
*sta_new
= container_of(node_new
, struct wireless_station
, node
);
887 struct wireless_device
*wdev
;
890 wdev
= sta_old
->wdev
;
892 wdev
= sta_new
->wdev
;
894 if (sta_old
&& sta_new
) {
895 free((void *) sta_old
->section
);
896 sta_old
->section
= strdup(sta_new
->section
);
897 if (blob_attr_equal(sta_old
->config
, sta_new
->config
)) {
902 D(WIRELESS
, "Update wireless station %s on device %s\n", sta_new
->name
, wdev
->name
);
903 free(sta_old
->config
);
904 sta_old
->config
= blob_memdup(sta_new
->config
);
906 } else if (sta_new
) {
907 D(WIRELESS
, "Create new wireless station %s on device %s\n", sta_new
->name
, wdev
->name
);
908 sta_new
->section
= strdup(sta_new
->section
);
909 sta_new
->config
= blob_memdup(sta_new
->config
);
910 } else if (sta_old
) {
911 D(WIRELESS
, "Delete wireless station %s on device %s\n", sta_old
->name
, wdev
->name
);
912 free((void *) sta_old
->section
);
913 free(sta_old
->config
);
917 wdev_set_config_state(wdev
, IFC_RELOAD
);
921 wireless_proc_poll_fd(struct uloop_fd
*fd
, unsigned int events
)
923 struct wireless_device
*wdev
= container_of(fd
, struct wireless_device
, script_proc_fd
);
927 int b
= read(fd
->fd
, buf
, sizeof(buf
));
943 uloop_timeout_set(&wdev
->script_check
, 0);
944 wireless_close_script_proc_fd(wdev
);
948 wireless_device_check_script_tasks(struct uloop_timeout
*timeout
)
950 struct wireless_device
*wdev
= container_of(timeout
, struct wireless_device
, script_check
);
951 struct wireless_process
*proc
, *tmp
;
952 bool restart
= false;
954 list_for_each_entry_safe(proc
, tmp
, &wdev
->script_proc
, list
) {
955 if (wireless_process_check(proc
))
958 D(WIRELESS
, "Wireless device '%s' pid %d has terminated\n", wdev
->name
, proc
->pid
);
962 wireless_process_free(wdev
, proc
);
966 wireless_device_retry_setup(wdev
);
968 uloop_timeout_set(&wdev
->script_check
, 1000);
972 wireless_device_create(struct wireless_driver
*drv
, const char *name
, struct blob_attr
*data
)
974 struct wireless_device
*wdev
;
976 struct blob_attr
*tb
[__WDEV_ATTR_MAX
];
977 struct blob_attr
*cur
;
979 blobmsg_parse(wdev_policy
, __WDEV_ATTR_MAX
, tb
, blob_data(data
), blob_len(data
));
981 wdev
= calloc_a(sizeof(*wdev
), &name_buf
, strlen(name
) + 1);
983 cur
= tb
[WDEV_ATTR_DISABLED
];
984 wdev
->disabled
= cur
&& blobmsg_get_bool(cur
);
987 wdev
->state
= IFS_DOWN
;
988 wdev
->config_state
= IFC_NORMAL
;
989 wdev
->name
= strcpy(name_buf
, name
);
991 wdev
->handler_pending
= false;
993 cur
= tb
[WDEV_ATTR_SERIALIZE
];
994 wdev
->serialize
= cur
&& blobmsg_get_bool(cur
);
996 cur
= tb
[WDEV_ATTR_RECONF
];
997 wdev
->reconf
= cur
&& blobmsg_get_bool(cur
);
999 wdev
->retry_setup_failed
= false;
1000 wdev
->autostart
= true;
1001 INIT_LIST_HEAD(&wdev
->script_proc
);
1002 vlist_init(&wdev
->interfaces
, avl_strcmp
, vif_update
);
1003 wdev
->interfaces
.keep_old
= true;
1004 vlist_init(&wdev
->vlans
, avl_strcmp
, vlan_update
);
1005 wdev
->vlans
.keep_old
= true;
1006 vlist_init(&wdev
->stations
, avl_strcmp
, station_update
);
1007 wdev
->stations
.keep_old
= true;
1009 wdev
->timeout
.cb
= wireless_device_setup_timeout
;
1010 wdev
->script_task
.cb
= wireless_device_script_task_cb
;
1011 wdev
->script_task
.dir_fd
= drv_fd
;
1012 wdev
->script_task
.log_prefix
= wdev
->name
;
1014 wdev
->script_proc_fd
.fd
= -1;
1015 wdev
->script_proc_fd
.cb
= wireless_proc_poll_fd
;
1017 wdev
->script_check
.cb
= wireless_device_check_script_tasks
;
1019 vlist_add(&wireless_devices
, &wdev
->node
, wdev
->name
);
1023 wireless_station_create(struct wireless_device
*wdev
, char *vif
, struct blob_attr
*data
, const char *section
)
1025 struct wireless_station
*sta
;
1026 struct blob_attr
*tb
[__STA_ATTR_MAX
];
1027 struct blob_attr
*cur
;
1028 char *name_buf
, *vif_buf
;
1031 blobmsg_parse(sta_policy
, __STA_ATTR_MAX
, tb
, blob_data(data
), blob_len(data
));
1033 cur
= tb
[STA_ATTR_DISABLED
];
1034 if (cur
&& blobmsg_get_bool(cur
))
1037 sprintf(name
, "%d", wdev
->vlan_idx
++);
1039 sta
= calloc_a(sizeof(*sta
),
1040 &name_buf
, strlen(name
) + 1,
1041 &vif_buf
, strlen(vif
) + 1);
1042 sta
->name
= strcpy(name_buf
, name
);
1043 sta
->vif
= strcpy(vif_buf
, vif
);
1046 sta
->section
= section
;
1048 vlist_add(&wdev
->stations
, &sta
->node
, sta
->name
);
1052 wireless_station_status(struct wireless_station
*sta
, struct blob_buf
*b
)
1056 i
= blobmsg_open_table(b
, NULL
);
1058 blobmsg_add_string(b
, "section", sta
->section
);
1059 put_container(b
, sta
->config
, "config");
1060 blobmsg_close_table(b
, i
);
1064 wireless_vlan_create(struct wireless_device
*wdev
, char *vif
, struct blob_attr
*data
, const char *section
)
1066 struct wireless_vlan
*vlan
;
1067 struct blob_attr
*tb
[__VLAN_ATTR_MAX
];
1068 struct blob_attr
*cur
;
1069 char *name_buf
, *vif_buf
;
1072 blobmsg_parse(vlan_policy
, __VLAN_ATTR_MAX
, tb
, blob_data(data
), blob_len(data
));
1074 cur
= tb
[VLAN_ATTR_DISABLED
];
1075 if (cur
&& blobmsg_get_bool(cur
))
1078 sprintf(name
, "%d", wdev
->vlan_idx
++);
1080 vlan
= calloc_a(sizeof(*vlan
),
1081 &name_buf
, strlen(name
) + 1,
1082 &vif_buf
, strlen(vif
) + 1);
1083 vlan
->name
= strcpy(name_buf
, name
);
1084 vlan
->vif
= strcpy(vif_buf
, vif
);
1086 vlan
->config
= data
;
1087 vlan
->section
= section
;
1088 vlan
->isolate
= false;
1090 vlist_add(&wdev
->vlans
, &vlan
->node
, vlan
->name
);
1094 wireless_vlan_status(struct wireless_vlan
*vlan
, struct blob_buf
*b
)
1098 i
= blobmsg_open_table(b
, NULL
);
1100 blobmsg_add_string(b
, "section", vlan
->section
);
1102 blobmsg_add_string(b
, "ifname", vlan
->ifname
);
1103 put_container(b
, vlan
->config
, "config");
1104 blobmsg_close_table(b
, i
);
1107 struct wireless_interface
* wireless_interface_create(struct wireless_device
*wdev
, struct blob_attr
*data
, const char *section
)
1109 struct wireless_interface
*vif
;
1110 struct blob_attr
*tb
[__VIF_ATTR_MAX
];
1111 struct blob_attr
*cur
;
1115 blobmsg_parse(vif_policy
, __VIF_ATTR_MAX
, tb
, blob_data(data
), blob_len(data
));
1117 cur
= tb
[VIF_ATTR_DISABLED
];
1118 if (cur
&& blobmsg_get_bool(cur
))
1121 sprintf(name
, "%d", wdev
->vif_idx
++);
1123 vif
= calloc_a(sizeof(*vif
),
1124 &name_buf
, strlen(name
) + 1);
1125 vif
->name
= strcpy(name_buf
, name
);
1128 vif
->section
= section
;
1129 vif
->isolate
= false;
1131 vlist_add(&wdev
->interfaces
, &vif
->node
, vif
->name
);
1136 wireless_interface_status(struct wireless_interface
*iface
, struct blob_buf
*b
)
1138 struct wireless_vlan
*vlan
;
1139 struct wireless_station
*sta
;
1142 i
= blobmsg_open_table(b
, NULL
);
1144 blobmsg_add_string(b
, "section", iface
->section
);
1146 blobmsg_add_string(b
, "ifname", iface
->ifname
);
1147 put_container(b
, iface
->config
, "config");
1148 j
= blobmsg_open_array(b
, "vlans");
1149 vlist_for_each_element(&iface
->wdev
->vlans
, vlan
, node
)
1150 if (!strcmp(iface
->name
, vlan
->vif
))
1151 wireless_vlan_status(vlan
, b
);
1152 blobmsg_close_array(b
, j
);
1153 j
= blobmsg_open_array(b
, "stations");
1154 vlist_for_each_element(&iface
->wdev
->stations
, sta
, node
)
1155 if (!strcmp(iface
->name
, sta
->vif
))
1156 wireless_station_status(sta
, b
);
1157 blobmsg_close_array(b
, j
);
1158 blobmsg_close_table(b
, i
);
1162 wireless_device_status(struct wireless_device
*wdev
, struct blob_buf
*b
)
1164 struct wireless_interface
*iface
;
1167 c
= blobmsg_open_table(b
, wdev
->name
);
1168 blobmsg_add_u8(b
, "up", wdev
->state
== IFS_UP
);
1169 blobmsg_add_u8(b
, "pending", wdev
->state
== IFS_SETUP
|| wdev
->state
== IFS_TEARDOWN
);
1170 blobmsg_add_u8(b
, "autostart", wdev
->autostart
);
1171 blobmsg_add_u8(b
, "disabled", wdev
->disabled
);
1172 blobmsg_add_u8(b
, "retry_setup_failed", wdev
->retry_setup_failed
);
1173 put_container(b
, wdev
->config
, "config");
1175 i
= blobmsg_open_array(b
, "interfaces");
1176 vlist_for_each_element(&wdev
->interfaces
, iface
, node
)
1177 wireless_interface_status(iface
, b
);
1178 blobmsg_close_array(b
, i
);
1179 blobmsg_close_table(b
, c
);
1183 wireless_device_get_validate(struct wireless_device
*wdev
, struct blob_buf
*b
)
1185 struct uci_blob_param_list
*p
;
1189 c
= blobmsg_open_table(b
, wdev
->name
);
1191 d
= blobmsg_open_table(b
, "device");
1192 p
= wdev
->drv
->device
.config
;
1193 for (i
= 0; i
< p
->n_params
; i
++)
1194 blobmsg_add_string(b
, p
->params
[i
].name
, uci_get_validate_string(p
, i
));
1195 blobmsg_close_table(b
, d
);
1197 d
= blobmsg_open_table(b
, "interface");
1198 p
= wdev
->drv
->interface
.config
;
1199 for (i
= 0; i
< p
->n_params
; i
++)
1200 blobmsg_add_string(b
, p
->params
[i
].name
, uci_get_validate_string(p
, i
));
1201 blobmsg_close_table(b
, d
);
1203 blobmsg_close_table(b
, c
);
1207 wireless_interface_set_data(struct wireless_interface
*vif
)
1213 static const struct blobmsg_policy data_policy
[__VIF_DATA_MAX
] = {
1214 [VIF_DATA_IFNAME
] = { .name
= "ifname", .type
= BLOBMSG_TYPE_STRING
},
1216 struct blob_attr
*tb
[__VIF_DATA_MAX
];
1217 struct blob_attr
*cur
;
1219 blobmsg_parse(data_policy
, __VIF_DATA_MAX
, tb
,
1220 blobmsg_data(vif
->data
), blobmsg_data_len(vif
->data
));
1222 if ((cur
= tb
[VIF_DATA_IFNAME
]))
1223 vif
->ifname
= blobmsg_data(cur
);
1227 wireless_vlan_set_data(struct wireless_vlan
*vlan
)
1233 static const struct blobmsg_policy data_policy
[__VLAN_DATA_MAX
] = {
1234 [VLAN_DATA_IFNAME
] = { .name
= "ifname", .type
= BLOBMSG_TYPE_STRING
},
1236 struct blob_attr
*tb
[__VLAN_DATA_MAX
];
1237 struct blob_attr
*cur
;
1239 blobmsg_parse(data_policy
, __VLAN_DATA_MAX
, tb
,
1240 blobmsg_data(vlan
->data
), blobmsg_data_len(vlan
->data
));
1242 if ((cur
= tb
[VLAN_DATA_IFNAME
]))
1243 vlan
->ifname
= blobmsg_data(cur
);
1247 wireless_device_add_process(struct wireless_device
*wdev
, struct blob_attr
*data
)
1255 static const struct blobmsg_policy proc_policy
[__PROC_ATTR_MAX
] = {
1256 [PROC_ATTR_PID
] = { .name
= "pid", .type
= BLOBMSG_TYPE_INT32
},
1257 [PROC_ATTR_EXE
] = { .name
= "exe", .type
= BLOBMSG_TYPE_STRING
},
1258 [PROC_ATTR_REQUIRED
] = { .name
= "required", .type
= BLOBMSG_TYPE_BOOL
},
1260 struct blob_attr
*tb
[__PROC_ATTR_MAX
];
1261 struct wireless_process
*proc
;
1266 return UBUS_STATUS_INVALID_ARGUMENT
;
1268 blobmsg_parse(proc_policy
, __PROC_ATTR_MAX
, tb
, blobmsg_data(data
), blobmsg_data_len(data
));
1269 if (!tb
[PROC_ATTR_PID
] || !tb
[PROC_ATTR_EXE
])
1270 return UBUS_STATUS_INVALID_ARGUMENT
;
1272 pid
= blobmsg_get_u32(tb
[PROC_ATTR_PID
]);
1274 return UBUS_STATUS_INVALID_ARGUMENT
;
1276 proc
= calloc_a(sizeof(*proc
),
1277 &name
, strlen(blobmsg_data(tb
[PROC_ATTR_EXE
])) + 1);
1280 proc
->exe
= strcpy(name
, blobmsg_data(tb
[PROC_ATTR_EXE
]));
1282 if (tb
[PROC_ATTR_REQUIRED
])
1283 proc
->required
= blobmsg_get_bool(tb
[PROC_ATTR_REQUIRED
]);
1285 D(WIRELESS
, "Wireless device '%s' add pid %d\n", wdev
->name
, proc
->pid
);
1286 list_add(&proc
->list
, &wdev
->script_proc
);
1287 uloop_timeout_set(&wdev
->script_check
, 0);
1293 wireless_device_process_kill_all(struct wireless_device
*wdev
, struct blob_attr
*data
,
1294 struct ubus_request_data
*req
)
1298 KILL_ATTR_IMMEDIATE
,
1301 static const struct blobmsg_policy kill_policy
[__KILL_ATTR_MAX
] = {
1302 [KILL_ATTR_SIGNAL
] = { .name
= "signal", .type
= BLOBMSG_TYPE_INT32
},
1303 [KILL_ATTR_IMMEDIATE
] = { .name
= "immediate", .type
= BLOBMSG_TYPE_BOOL
},
1305 struct blob_attr
*tb
[__KILL_ATTR_MAX
];
1306 struct blob_attr
*cur
;
1307 bool immediate
= false;
1308 int signal
= SIGTERM
;
1310 blobmsg_parse(kill_policy
, __KILL_ATTR_MAX
, tb
, blobmsg_data(data
), blobmsg_data_len(data
));
1312 if ((cur
= tb
[KILL_ATTR_SIGNAL
]))
1313 signal
= blobmsg_get_u32(cur
);
1315 if ((cur
= tb
[KILL_ATTR_IMMEDIATE
]))
1316 immediate
= blobmsg_get_bool(cur
);
1318 if (wdev
->state
!= IFS_TEARDOWN
|| wdev
->kill_request
)
1319 return UBUS_STATUS_PERMISSION_DENIED
;
1321 wireless_process_kill_all(wdev
, signal
, immediate
);
1323 if (list_empty(&wdev
->script_proc
))
1326 wdev
->kill_request
= calloc(1, sizeof(*wdev
->kill_request
));
1327 ubus_defer_request(ubus_ctx
, req
, wdev
->kill_request
);
1333 wireless_device_set_retry(struct wireless_device
*wdev
, struct blob_attr
*data
)
1335 static const struct blobmsg_policy retry_policy
= {
1336 .name
= "retry", .type
= BLOBMSG_TYPE_INT32
1338 struct blob_attr
*val
;
1340 blobmsg_parse(&retry_policy
, 1, &val
, blobmsg_data(data
), blobmsg_data_len(data
));
1342 return UBUS_STATUS_INVALID_ARGUMENT
;
1344 wdev
->retry
= blobmsg_get_u32(val
);
1350 NOTIFY_CMD_SET_DATA
= 1,
1351 NOTIFY_CMD_PROCESS_ADD
= 2,
1352 NOTIFY_CMD_PROCESS_KILL_ALL
= 3,
1353 NOTIFY_CMD_SET_RETRY
= 4,
1357 wireless_device_notify(struct wireless_device
*wdev
, struct blob_attr
*data
,
1358 struct ubus_request_data
*req
)
1361 NOTIFY_ATTR_COMMAND
,
1367 static const struct blobmsg_policy notify_policy
[__NOTIFY_MAX
] = {
1368 [NOTIFY_ATTR_COMMAND
] = { .name
= "command", .type
= BLOBMSG_TYPE_INT32
},
1369 [NOTIFY_ATTR_VIF
] = { .name
= "interface", .type
= BLOBMSG_TYPE_STRING
},
1370 [NOTIFY_ATTR_VLAN
] = { .name
= "vlan", .type
= BLOBMSG_TYPE_STRING
},
1371 [NOTIFY_ATTR_DATA
] = { .name
= "data", .type
= BLOBMSG_TYPE_TABLE
},
1373 struct wireless_interface
*vif
= NULL
;
1374 struct wireless_vlan
*vlan
= NULL
;
1375 struct blob_attr
*tb
[__NOTIFY_MAX
];
1376 struct blob_attr
*cur
, **pdata
;
1378 blobmsg_parse(notify_policy
, __NOTIFY_MAX
, tb
, blob_data(data
), blob_len(data
));
1380 if (!tb
[NOTIFY_ATTR_COMMAND
])
1381 return UBUS_STATUS_INVALID_ARGUMENT
;
1383 if ((cur
= tb
[NOTIFY_ATTR_VIF
]) != NULL
) {
1384 vif
= vlist_find(&wdev
->interfaces
, blobmsg_data(cur
), vif
, node
);
1386 return UBUS_STATUS_NOT_FOUND
;
1389 if ((cur
= tb
[NOTIFY_ATTR_VLAN
]) != NULL
) {
1390 vlan
= vlist_find(&wdev
->vlans
, blobmsg_data(cur
), vlan
, node
);
1392 return UBUS_STATUS_NOT_FOUND
;
1395 cur
= tb
[NOTIFY_ATTR_DATA
];
1397 return UBUS_STATUS_INVALID_ARGUMENT
;
1399 switch (blobmsg_get_u32(tb
[NOTIFY_ATTR_COMMAND
])) {
1402 return UBUS_STATUS_INVALID_ARGUMENT
;
1404 if (wdev
->state
!= IFS_SETUP
)
1405 return UBUS_STATUS_PERMISSION_DENIED
;
1407 wireless_device_mark_up(wdev
);
1409 case NOTIFY_CMD_SET_DATA
:
1413 pdata
= &vlan
->data
;
1415 pdata
= &wdev
->data
;
1418 return UBUS_STATUS_INVALID_ARGUMENT
;
1420 *pdata
= blob_memdup(cur
);
1422 wireless_interface_set_data(vif
);
1424 wireless_vlan_set_data(vlan
);
1426 case NOTIFY_CMD_PROCESS_ADD
:
1427 return wireless_device_add_process(wdev
, cur
);
1428 case NOTIFY_CMD_PROCESS_KILL_ALL
:
1429 return wireless_device_process_kill_all(wdev
, cur
, req
);
1430 case NOTIFY_CMD_SET_RETRY
:
1431 return wireless_device_set_retry(wdev
, cur
);
1433 return UBUS_STATUS_INVALID_ARGUMENT
;
1440 wireless_start_pending(void)
1442 struct wireless_device
*wdev
;
1444 vlist_for_each_element(&wireless_devices
, wdev
, node
)
1445 __wireless_device_set_up(wdev
, 0);