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
;
27 static const struct blobmsg_policy wdev_policy
=
28 { .name
= "disabled", .type
= BLOBMSG_TYPE_BOOL
};
30 static const struct uci_blob_param_list wdev_param
= {
32 .params
= &wdev_policy
,
42 static const struct blobmsg_policy vif_policy
[__VIF_ATTR_MAX
] = {
43 [VIF_ATTR_DISABLED
] = { .name
= "disabled", .type
= BLOBMSG_TYPE_BOOL
},
44 [VIF_ATTR_NETWORK
] = { .name
= "network", .type
= BLOBMSG_TYPE_ARRAY
},
45 [VIF_ATTR_ISOLATE
] = { .name
= "isolate", .type
= BLOBMSG_TYPE_BOOL
},
48 static const struct uci_blob_param_list vif_param
= {
49 .n_params
= ARRAY_SIZE(vif_policy
),
54 put_container(struct blob_buf
*buf
, struct blob_attr
*attr
, const char *name
)
56 void *c
= blobmsg_open_table(buf
, name
);
57 blob_put_raw(buf
, blob_data(attr
), blob_len(attr
));
58 blobmsg_close_table(buf
, c
);
62 vif_config_add_bridge(struct blob_buf
*buf
, struct blob_attr
*networks
, bool prepare
)
64 struct interface
*iface
;
65 struct device
*dev
= NULL
;
66 struct blob_attr
*cur
;
73 blobmsg_for_each_attr(cur
, networks
, rem
) {
74 network
= blobmsg_data(cur
);
76 iface
= vlist_find(&interfaces
, network
, iface
, node
);
80 dev
= iface
->main_dev
.dev
;
84 if (dev
->type
!= &bridge_device_type
)
91 if (dev
->hotplug_ops
&& dev
->hotplug_ops
->prepare
)
92 dev
->hotplug_ops
->prepare(dev
);
94 blobmsg_add_string(buf
, "bridge", dev
->ifname
);
98 prepare_config(struct wireless_device
*wdev
, struct blob_buf
*buf
, bool up
)
100 struct wireless_interface
*vif
;
103 blob_buf_init(&b
, 0);
104 put_container(&b
, wdev
->config
, "config");
106 blobmsg_add_blob(&b
, wdev
->data
);
108 l
= blobmsg_open_table(&b
, "interfaces");
109 vlist_for_each_element(&wdev
->interfaces
, vif
, node
) {
110 i
= blobmsg_open_table(&b
, vif
->name
);
111 vif_config_add_bridge(&b
, vif
->network
, up
);
112 put_container(&b
, vif
->config
, "config");
114 blobmsg_add_blob(&b
, vif
->data
);
115 blobmsg_close_table(&b
, i
);
117 blobmsg_close_table(&b
, l
);
121 wireless_process_check(struct wireless_process
*proc
)
123 return check_pid_path(proc
->pid
, proc
->exe
);
127 wireless_complete_kill_request(struct wireless_device
*wdev
)
129 if (!wdev
->kill_request
)
132 ubus_complete_deferred_request(ubus_ctx
, wdev
->kill_request
, 0);
133 free(wdev
->kill_request
);
134 wdev
->kill_request
= NULL
;
138 wireless_process_free(struct wireless_device
*wdev
, struct wireless_process
*proc
)
140 D(WIRELESS
, "Wireless device '%s' free pid %d\n", wdev
->name
, proc
->pid
);
141 list_del(&proc
->list
);
144 if (list_empty(&wdev
->script_proc
))
145 wireless_complete_kill_request(wdev
);
149 wireless_close_script_proc_fd(struct wireless_device
*wdev
)
151 if (wdev
->script_proc_fd
.fd
< 0)
154 uloop_fd_delete(&wdev
->script_proc_fd
);
155 close(wdev
->script_proc_fd
.fd
);
156 wdev
->script_proc_fd
.fd
= -1;
160 wireless_process_kill_all(struct wireless_device
*wdev
, int signal
, bool free
)
162 struct wireless_process
*proc
, *tmp
;
164 list_for_each_entry_safe(proc
, tmp
, &wdev
->script_proc
, list
) {
165 bool check
= wireless_process_check(proc
);
168 D(WIRELESS
, "Wireless device '%s' kill pid %d\n", wdev
->name
, proc
->pid
);
169 kill(proc
->pid
, signal
);
173 wireless_process_free(wdev
, proc
);
177 wireless_close_script_proc_fd(wdev
);
181 wireless_device_free_state(struct wireless_device
*wdev
)
183 struct wireless_interface
*vif
;
185 uloop_timeout_cancel(&wdev
->script_check
);
186 uloop_timeout_cancel(&wdev
->timeout
);
187 wireless_complete_kill_request(wdev
);
190 vlist_for_each_element(&wdev
->interfaces
, vif
, node
) {
197 static void wireless_interface_handle_link(struct wireless_interface
*vif
, bool up
)
199 struct interface
*iface
;
200 struct blob_attr
*cur
;
204 if (!vif
->network
|| !vif
->ifname
)
208 struct device
*dev
= device_get(vif
->ifname
, 2);
210 dev
->wireless_isolate
= vif
->isolate
;
211 dev
->wireless
= true;
215 blobmsg_for_each_attr(cur
, vif
->network
, rem
) {
216 network
= blobmsg_data(cur
);
218 iface
= vlist_find(&interfaces
, network
, iface
, node
);
222 interface_handle_link(iface
, vif
->ifname
, up
, true);
227 wireless_device_setup_cancel(struct wireless_device
*wdev
)
232 D(WIRELESS
, "Cancel wireless device '%s' setup\n", wdev
->name
);
234 uloop_timeout_set(&wdev
->timeout
, 10 * 1000);
238 wireless_device_run_handler(struct wireless_device
*wdev
, bool up
)
240 const char *action
= up
? "setup" : "teardown";
244 int fds
[2] = { -1, -1 };
246 D(WIRELESS
, "Wireless device '%s' run %s handler\n", wdev
->name
, action
);
247 if (!up
&& wdev
->prev_config
) {
248 config
= blobmsg_format_json(wdev
->prev_config
, true);
249 free(wdev
->prev_config
);
250 wdev
->prev_config
= NULL
;
252 prepare_config(wdev
, &b
, up
);
253 config
= blobmsg_format_json(b
.head
, true);
256 argv
[i
++] = wdev
->drv
->script
;
257 argv
[i
++] = wdev
->drv
->name
;
259 argv
[i
++] = wdev
->name
;
263 if (up
&& pipe(fds
) == 0) {
264 wdev
->script_proc_fd
.fd
= fds
[0];
265 uloop_fd_add(&wdev
->script_proc_fd
,
266 ULOOP_READ
| ULOOP_EDGE_TRIGGER
);
269 netifd_start_process(argv
, NULL
, &wdev
->script_task
);
278 __wireless_device_set_up(struct wireless_device
*wdev
)
283 if (wdev
->state
!= IFS_DOWN
|| config_init
)
286 free(wdev
->prev_config
);
287 wdev
->prev_config
= NULL
;
288 wdev
->state
= IFS_SETUP
;
289 wireless_device_run_handler(wdev
, true);
293 wireless_device_free(struct wireless_device
*wdev
)
295 vlist_flush_all(&wdev
->interfaces
);
296 avl_delete(&wireless_devices
.avl
, &wdev
->node
.avl
);
298 free(wdev
->prev_config
);
303 wdev_handle_config_change(struct wireless_device
*wdev
)
305 enum interface_config_state state
= wdev
->config_state
;
310 wdev
->config_state
= IFC_NORMAL
;
312 __wireless_device_set_up(wdev
);
315 wireless_device_free(wdev
);
321 wireless_device_mark_down(struct wireless_device
*wdev
)
323 struct wireless_interface
*vif
;
325 D(WIRELESS
, "Wireless device '%s' is now down\n", wdev
->name
);
327 vlist_for_each_element(&wdev
->interfaces
, vif
, node
)
328 wireless_interface_handle_link(vif
, false);
330 wireless_process_kill_all(wdev
, SIGTERM
, true);
332 wdev
->cancel
= false;
333 wdev
->state
= IFS_DOWN
;
334 wireless_device_free_state(wdev
);
335 wdev_handle_config_change(wdev
);
339 wireless_device_setup_timeout(struct uloop_timeout
*timeout
)
341 struct wireless_device
*wdev
= container_of(timeout
, struct wireless_device
, timeout
);
343 netifd_kill_process(&wdev
->script_task
);
344 wdev
->script_task
.cb(&wdev
->script_task
, -1);
345 wireless_device_mark_down(wdev
);
349 wireless_device_set_up(struct wireless_device
*wdev
)
351 wdev
->retry
= WIRELESS_SETUP_RETRY
;
352 wdev
->autostart
= true;
353 __wireless_device_set_up(wdev
);
357 __wireless_device_set_down(struct wireless_device
*wdev
)
359 if (wdev
->state
== IFS_TEARDOWN
|| wdev
->state
== IFS_DOWN
)
362 if (wdev
->script_task
.uloop
.pending
) {
363 wireless_device_setup_cancel(wdev
);
367 wdev
->state
= IFS_TEARDOWN
;
368 wireless_device_run_handler(wdev
, false);
372 wireless_device_mark_up(struct wireless_device
*wdev
)
374 struct wireless_interface
*vif
;
377 wdev
->cancel
= false;
378 __wireless_device_set_down(wdev
);
382 D(WIRELESS
, "Wireless device '%s' is now up\n", wdev
->name
);
383 wdev
->state
= IFS_UP
;
384 vlist_for_each_element(&wdev
->interfaces
, vif
, node
)
385 wireless_interface_handle_link(vif
, true);
389 wireless_device_retry_setup(struct wireless_device
*wdev
)
391 if (wdev
->state
== IFS_TEARDOWN
|| wdev
->state
== IFS_DOWN
|| wdev
->cancel
)
394 if (--wdev
->retry
< 0)
395 wdev
->autostart
= false;
397 __wireless_device_set_down(wdev
);
401 wireless_device_script_task_cb(struct netifd_process
*proc
, int ret
)
403 struct wireless_device
*wdev
= container_of(proc
, struct wireless_device
, script_task
);
405 switch (wdev
->state
) {
407 wireless_device_retry_setup(wdev
);
410 wireless_device_mark_down(wdev
);
418 wireless_device_set_down(struct wireless_device
*wdev
)
420 wdev
->autostart
= false;
421 __wireless_device_set_down(wdev
);
425 wdev_set_config_state(struct wireless_device
*wdev
, enum interface_config_state s
)
427 if (wdev
->config_state
!= IFC_NORMAL
)
430 wdev
->config_state
= s
;
431 if (wdev
->state
== IFS_DOWN
)
432 wdev_handle_config_change(wdev
);
434 __wireless_device_set_down(wdev
);
438 wdev_prepare_prev_config(struct wireless_device
*wdev
)
440 if (wdev
->prev_config
)
443 prepare_config(wdev
, &b
, false);
444 wdev
->prev_config
= blob_memdup(b
.head
);
448 wdev_change_config(struct wireless_device
*wdev
, struct wireless_device
*wd_new
)
450 struct blob_attr
*new_config
= wd_new
->config
;
451 bool disabled
= wd_new
->disabled
;
455 wdev_prepare_prev_config(wdev
);
456 if (blob_attr_equal(wdev
->config
, new_config
) && wdev
->disabled
== disabled
)
459 D(WIRELESS
, "Update configuration of wireless device '%s'\n", wdev
->name
);
461 wdev
->config
= blob_memdup(new_config
);
462 wdev
->disabled
= disabled
;
463 wdev_set_config_state(wdev
, IFC_RELOAD
);
467 wdev_create(struct wireless_device
*wdev
)
469 wdev
->retry
= WIRELESS_SETUP_RETRY
;
470 wdev
->config
= blob_memdup(wdev
->config
);
474 wdev_update(struct vlist_tree
*tree
, struct vlist_node
*node_new
,
475 struct vlist_node
*node_old
)
477 struct wireless_device
*wd_old
= container_of(node_old
, struct wireless_device
, node
);
478 struct wireless_device
*wd_new
= container_of(node_new
, struct wireless_device
, node
);
480 if (wd_old
&& wd_new
) {
481 wdev_change_config(wd_old
, wd_new
);
483 D(WIRELESS
, "Delete wireless device '%s'\n", wd_old
->name
);
484 wdev_set_config_state(wd_old
, IFC_REMOVE
);
486 D(WIRELESS
, "Create wireless device '%s'\n", wd_new
->name
);
492 wireless_add_handler(const char *script
, const char *name
, json_object
*obj
)
494 struct wireless_driver
*drv
;
495 char *name_str
, *script_str
;
496 json_object
*dev_config_obj
, *iface_config_obj
;
497 struct uci_blob_param_list
*dev_config
, *iface_config
;
499 dev_config_obj
= json_get_field(obj
, "device", json_type_array
);
500 iface_config_obj
= json_get_field(obj
, "iface", json_type_array
);
502 if (!dev_config_obj
|| !iface_config_obj
)
505 drv
= calloc_a(sizeof(*drv
),
506 &dev_config
, sizeof(*dev_config
) + sizeof(void *),
507 &iface_config
, sizeof(*iface_config
) + sizeof(void *),
508 &name_str
, strlen(name
) + 1,
509 &script_str
, strlen(script
) + 1);
511 drv
->name
= strcpy(name_str
, name
);
512 drv
->script
= strcpy(script_str
, script
);
514 dev_config
->n_next
= 1;
515 dev_config
->next
[0] = &wdev_param
;
516 drv
->device
.config
= dev_config
;
518 iface_config
->n_next
= 1;
519 iface_config
->next
[0] = &vif_param
;
520 drv
->interface
.config
= iface_config
;
522 drv
->device
.buf
= netifd_handler_parse_config(drv
->device
.config
, dev_config_obj
);
523 drv
->interface
.buf
= netifd_handler_parse_config(drv
->interface
.config
, iface_config_obj
);
525 drv
->node
.key
= drv
->name
;
526 avl_insert(&wireless_drivers
, &drv
->node
);
527 D(WIRELESS
, "Add handler for script %s: %s\n", script
, name
);
530 void wireless_init(void)
532 vlist_init(&wireless_devices
, avl_strcmp
, wdev_update
);
533 wireless_devices
.keep_old
= true;
534 wireless_devices
.no_delete
= true;
536 avl_init(&wireless_drivers
, avl_strcmp
, false, NULL
);
537 drv_fd
= netifd_open_subdir("wireless");
541 netifd_init_script_handlers(drv_fd
, wireless_add_handler
);
545 wireless_interface_init_config(struct wireless_interface
*vif
)
547 struct blob_attr
*tb
[__VIF_ATTR_MAX
];
548 struct blob_attr
*cur
;
551 blobmsg_parse(vif_policy
, __VIF_ATTR_MAX
, tb
, blob_data(vif
->config
), blob_len(vif
->config
));
553 if ((cur
= tb
[VIF_ATTR_NETWORK
]))
558 vif_update(struct vlist_tree
*tree
, struct vlist_node
*node_new
,
559 struct vlist_node
*node_old
)
561 struct wireless_interface
*vif_old
= container_of(node_old
, struct wireless_interface
, node
);
562 struct wireless_interface
*vif_new
= container_of(node_new
, struct wireless_interface
, node
);
563 struct wireless_device
*wdev
;
566 wdev
= vif_old
->wdev
;
568 wdev
= vif_new
->wdev
;
570 if (vif_old
&& vif_new
) {
571 free((void *) vif_old
->section
);
572 vif_old
->section
= strdup(vif_new
->section
);
573 if (blob_attr_equal(vif_old
->config
, vif_new
->config
)) {
578 D(WIRELESS
, "Update wireless interface %s on device %s\n", vif_new
->name
, wdev
->name
);
579 free(vif_old
->config
);
580 vif_old
->config
= blob_memdup(vif_new
->config
);
581 wireless_interface_init_config(vif_old
);
583 } else if (vif_new
) {
584 D(WIRELESS
, "Create new wireless interface %s on device %s\n", vif_new
->name
, wdev
->name
);
585 vif_new
->section
= strdup(vif_new
->section
);
586 vif_new
->config
= blob_memdup(vif_new
->config
);
587 wireless_interface_init_config(vif_new
);
588 } else if (vif_old
) {
589 D(WIRELESS
, "Delete wireless interface %s on device %s\n", vif_old
->name
, wdev
->name
);
590 free((void *) vif_old
->section
);
591 free(vif_old
->config
);
595 wdev_set_config_state(wdev
, IFC_RELOAD
);
599 wireless_proc_poll_fd(struct uloop_fd
*fd
, unsigned int events
)
601 struct wireless_device
*wdev
= container_of(fd
, struct wireless_device
, script_proc_fd
);
605 int b
= read(fd
->fd
, buf
, sizeof(buf
));
621 uloop_timeout_set(&wdev
->script_check
, 0);
622 wireless_close_script_proc_fd(wdev
);
626 wireless_device_check_script_tasks(struct uloop_timeout
*timeout
)
628 struct wireless_device
*wdev
= container_of(timeout
, struct wireless_device
, script_check
);
629 struct wireless_process
*proc
, *tmp
;
630 bool restart
= false;
632 list_for_each_entry_safe(proc
, tmp
, &wdev
->script_proc
, list
) {
633 if (wireless_process_check(proc
))
636 D(WIRELESS
, "Wireless device '%s' pid %d has terminated\n", wdev
->name
, proc
->pid
);
640 wireless_process_free(wdev
, proc
);
644 wireless_device_retry_setup(wdev
);
646 uloop_timeout_set(&wdev
->script_check
, 1000);
650 wireless_device_create(struct wireless_driver
*drv
, const char *name
, struct blob_attr
*data
)
652 struct wireless_device
*wdev
;
654 struct blob_attr
*disabled
;
656 blobmsg_parse(&wdev_policy
, 1, &disabled
, blob_data(data
), blob_len(data
));
658 wdev
= calloc_a(sizeof(*wdev
), &name_buf
, strlen(name
) + 1);
659 if (disabled
&& blobmsg_get_bool(disabled
))
660 wdev
->disabled
= true;
662 wdev
->state
= IFS_DOWN
;
663 wdev
->config_state
= IFC_NORMAL
;
664 wdev
->name
= strcpy(name_buf
, name
);
666 wdev
->config_autostart
= true;
667 wdev
->autostart
= wdev
->config_autostart
;
668 INIT_LIST_HEAD(&wdev
->script_proc
);
669 vlist_init(&wdev
->interfaces
, avl_strcmp
, vif_update
);
670 wdev
->interfaces
.keep_old
= true;
672 wdev
->timeout
.cb
= wireless_device_setup_timeout
;
673 wdev
->script_task
.cb
= wireless_device_script_task_cb
;
674 wdev
->script_task
.dir_fd
= drv_fd
;
675 wdev
->script_task
.log_prefix
= wdev
->name
;
677 wdev
->script_proc_fd
.fd
= -1;
678 wdev
->script_proc_fd
.cb
= wireless_proc_poll_fd
;
680 wdev
->script_check
.cb
= wireless_device_check_script_tasks
;
682 vlist_add(&wireless_devices
, &wdev
->node
, wdev
->name
);
685 void wireless_interface_create(struct wireless_device
*wdev
, struct blob_attr
*data
, const char *section
)
687 struct wireless_interface
*vif
;
688 struct blob_attr
*tb
[__VIF_ATTR_MAX
];
689 struct blob_attr
*cur
;
693 blobmsg_parse(vif_policy
, __VIF_ATTR_MAX
, tb
, blob_data(data
), blob_len(data
));
695 cur
= tb
[VIF_ATTR_DISABLED
];
696 if (cur
&& blobmsg_get_bool(cur
))
699 sprintf(name
, "%d", wdev
->vif_idx
++);
701 vif
= calloc_a(sizeof(*vif
),
702 &name_buf
, strlen(name
) + 1);
703 vif
->name
= strcpy(name_buf
, name
);
706 vif
->section
= section
;
707 vif
->isolate
= false;
709 cur
= tb
[VIF_ATTR_ISOLATE
];
710 if (cur
&& blobmsg_get_bool(cur
))
711 vif
->isolate
= blobmsg_get_bool(cur
);
713 vlist_add(&wdev
->interfaces
, &vif
->node
, vif
->name
);
717 wireless_interface_status(struct wireless_interface
*iface
, struct blob_buf
*b
)
721 i
= blobmsg_open_table(b
, NULL
);
723 blobmsg_add_string(b
, "section", iface
->section
);
725 blobmsg_add_string(b
, "ifname", iface
->ifname
);
726 put_container(b
, iface
->config
, "config");
727 blobmsg_close_table(b
, i
);
731 wireless_device_status(struct wireless_device
*wdev
, struct blob_buf
*b
)
733 struct wireless_interface
*iface
;
736 c
= blobmsg_open_table(b
, wdev
->name
);
737 blobmsg_add_u8(b
, "up", wdev
->state
== IFS_UP
);
738 blobmsg_add_u8(b
, "pending", wdev
->state
== IFS_SETUP
|| wdev
->state
== IFS_TEARDOWN
);
739 blobmsg_add_u8(b
, "autostart", wdev
->autostart
);
740 blobmsg_add_u8(b
, "disabled", wdev
->disabled
);
741 put_container(b
, wdev
->config
, "config");
743 i
= blobmsg_open_array(b
, "interfaces");
744 vlist_for_each_element(&wdev
->interfaces
, iface
, node
)
745 wireless_interface_status(iface
, b
);
746 blobmsg_close_array(b
, i
);
747 blobmsg_close_table(b
, c
);
751 wireless_device_get_validate(struct wireless_device
*wdev
, struct blob_buf
*b
)
753 struct uci_blob_param_list
*p
;
757 c
= blobmsg_open_table(b
, wdev
->name
);
759 d
= blobmsg_open_table(b
, "device");
760 p
= wdev
->drv
->device
.config
;
761 for (i
= 0; i
< p
->n_params
; i
++)
762 blobmsg_add_string(b
, p
->params
[i
].name
, uci_get_validate_string(p
, i
));
763 blobmsg_close_table(b
, d
);
765 d
= blobmsg_open_table(b
, "interface");
766 p
= wdev
->drv
->interface
.config
;
767 for (i
= 0; i
< p
->n_params
; i
++)
768 blobmsg_add_string(b
, p
->params
[i
].name
, uci_get_validate_string(p
, i
));
769 blobmsg_close_table(b
, d
);
771 blobmsg_close_table(b
, c
);
775 wireless_interface_set_data(struct wireless_interface
*vif
)
781 static const struct blobmsg_policy data_policy
[__VIF_DATA_MAX
] = {
782 [VIF_DATA_IFNAME
] = { .name
= "ifname", .type
= BLOBMSG_TYPE_STRING
},
784 struct blob_attr
*tb
[__VIF_DATA_MAX
];
785 struct blob_attr
*cur
;
787 blobmsg_parse(data_policy
, __VIF_DATA_MAX
, tb
,
788 blobmsg_data(vif
->data
), blobmsg_data_len(vif
->data
));
790 if ((cur
= tb
[VIF_DATA_IFNAME
]))
791 vif
->ifname
= blobmsg_data(cur
);
795 wireless_device_add_process(struct wireless_device
*wdev
, struct blob_attr
*data
)
803 static const struct blobmsg_policy proc_policy
[__PROC_ATTR_MAX
] = {
804 [PROC_ATTR_PID
] = { .name
= "pid", .type
= BLOBMSG_TYPE_INT32
},
805 [PROC_ATTR_EXE
] = { .name
= "exe", .type
= BLOBMSG_TYPE_STRING
},
806 [PROC_ATTR_REQUIRED
] = { .name
= "required", .type
= BLOBMSG_TYPE_BOOL
},
808 struct blob_attr
*tb
[__PROC_ATTR_MAX
];
809 struct wireless_process
*proc
;
814 return UBUS_STATUS_INVALID_ARGUMENT
;
816 blobmsg_parse(proc_policy
, __PROC_ATTR_MAX
, tb
, blobmsg_data(data
), blobmsg_data_len(data
));
817 if (!tb
[PROC_ATTR_PID
] || !tb
[PROC_ATTR_EXE
])
818 return UBUS_STATUS_INVALID_ARGUMENT
;
820 pid
= blobmsg_get_u32(tb
[PROC_ATTR_PID
]);
822 return UBUS_STATUS_INVALID_ARGUMENT
;
824 proc
= calloc_a(sizeof(*proc
),
825 &name
, strlen(blobmsg_data(tb
[PROC_ATTR_EXE
])) + 1);
828 proc
->exe
= strcpy(name
, blobmsg_data(tb
[PROC_ATTR_EXE
]));
830 if (tb
[PROC_ATTR_REQUIRED
])
831 proc
->required
= blobmsg_get_bool(tb
[PROC_ATTR_REQUIRED
]);
833 D(WIRELESS
, "Wireless device '%s' add pid %d\n", wdev
->name
, proc
->pid
);
834 list_add(&proc
->list
, &wdev
->script_proc
);
835 uloop_timeout_set(&wdev
->script_check
, 0);
841 wireless_device_process_kill_all(struct wireless_device
*wdev
, struct blob_attr
*data
,
842 struct ubus_request_data
*req
)
849 static const struct blobmsg_policy kill_policy
[__KILL_ATTR_MAX
] = {
850 [KILL_ATTR_SIGNAL
] = { .name
= "signal", .type
= BLOBMSG_TYPE_INT32
},
851 [KILL_ATTR_IMMEDIATE
] = { .name
= "immediate", .type
= BLOBMSG_TYPE_BOOL
},
853 struct blob_attr
*tb
[__KILL_ATTR_MAX
];
854 struct blob_attr
*cur
;
855 bool immediate
= false;
856 int signal
= SIGTERM
;
858 blobmsg_parse(kill_policy
, __KILL_ATTR_MAX
, tb
, blobmsg_data(data
), blobmsg_data_len(data
));
860 if ((cur
= tb
[KILL_ATTR_SIGNAL
]))
861 signal
= blobmsg_get_u32(cur
);
863 if ((cur
= tb
[KILL_ATTR_IMMEDIATE
]))
864 immediate
= blobmsg_get_bool(cur
);
866 if (wdev
->state
!= IFS_TEARDOWN
|| wdev
->kill_request
)
867 return UBUS_STATUS_PERMISSION_DENIED
;
869 wireless_process_kill_all(wdev
, signal
, immediate
);
871 if (list_empty(&wdev
->script_proc
))
874 wdev
->kill_request
= calloc(1, sizeof(*wdev
->kill_request
));
875 ubus_defer_request(ubus_ctx
, req
, wdev
->kill_request
);
881 wireless_device_set_retry(struct wireless_device
*wdev
, struct blob_attr
*data
)
883 static const struct blobmsg_policy retry_policy
= {
884 .name
= "retry", .type
= BLOBMSG_TYPE_INT32
886 struct blob_attr
*val
;
888 blobmsg_parse(&retry_policy
, 1, &val
, blobmsg_data(data
), blobmsg_data_len(data
));
890 return UBUS_STATUS_INVALID_ARGUMENT
;
892 wdev
->retry
= blobmsg_get_u32(val
);
898 NOTIFY_CMD_SET_DATA
= 1,
899 NOTIFY_CMD_PROCESS_ADD
= 2,
900 NOTIFY_CMD_PROCESS_KILL_ALL
= 3,
901 NOTIFY_CMD_SET_RETRY
= 4,
905 wireless_device_notify(struct wireless_device
*wdev
, struct blob_attr
*data
,
906 struct ubus_request_data
*req
)
914 static const struct blobmsg_policy notify_policy
[__NOTIFY_MAX
] = {
915 [NOTIFY_ATTR_COMMAND
] = { .name
= "command", .type
= BLOBMSG_TYPE_INT32
},
916 [NOTIFY_ATTR_VIF
] = { .name
= "interface", .type
= BLOBMSG_TYPE_STRING
},
917 [NOTIFY_ATTR_DATA
] = { .name
= "data", .type
= BLOBMSG_TYPE_TABLE
},
919 struct wireless_interface
*vif
= NULL
;
920 struct blob_attr
*tb
[__NOTIFY_MAX
];
921 struct blob_attr
*cur
, **pdata
;
923 blobmsg_parse(notify_policy
, __NOTIFY_MAX
, tb
, blob_data(data
), blob_len(data
));
925 if (!tb
[NOTIFY_ATTR_COMMAND
])
926 return UBUS_STATUS_INVALID_ARGUMENT
;
928 if ((cur
= tb
[NOTIFY_ATTR_VIF
]) != NULL
) {
929 vif
= vlist_find(&wdev
->interfaces
, blobmsg_data(cur
), vif
, node
);
931 return UBUS_STATUS_NOT_FOUND
;
934 cur
= tb
[NOTIFY_ATTR_DATA
];
936 return UBUS_STATUS_INVALID_ARGUMENT
;
938 switch (blobmsg_get_u32(tb
[NOTIFY_ATTR_COMMAND
])) {
941 return UBUS_STATUS_INVALID_ARGUMENT
;
943 if (wdev
->state
!= IFS_SETUP
)
944 return UBUS_STATUS_PERMISSION_DENIED
;
946 wireless_device_mark_up(wdev
);
948 case NOTIFY_CMD_SET_DATA
:
955 return UBUS_STATUS_INVALID_ARGUMENT
;
957 *pdata
= blob_memdup(cur
);
959 wireless_interface_set_data(vif
);
961 case NOTIFY_CMD_PROCESS_ADD
:
962 return wireless_device_add_process(wdev
, cur
);
963 case NOTIFY_CMD_PROCESS_KILL_ALL
:
964 return wireless_device_process_kill_all(wdev
, cur
, req
);
965 case NOTIFY_CMD_SET_RETRY
:
966 return wireless_device_set_retry(wdev
, cur
);
968 return UBUS_STATUS_INVALID_ARGUMENT
;
975 wireless_start_pending(void)
977 struct wireless_device
*wdev
;
979 vlist_for_each_element(&wireless_devices
, wdev
, node
)
981 __wireless_device_set_up(wdev
);