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->type->bridge_capability)
146 if (dev->hotplug_ops && dev->hotplug_ops->prepare)
147 dev->hotplug_ops->prepare(dev);
149 blobmsg_add_string(buf, "bridge", dev->ifname);
151 if (dev->settings.flags & DEV_OPT_MULTICAST_TO_UNICAST)
152 blobmsg_add_u8(buf, "multicast_to_unicast",
153 dev->settings.multicast_to_unicast);
157 prepare_config(struct wireless_device *wdev, struct blob_buf *buf, bool up)
159 struct wireless_interface *vif;
160 struct wireless_vlan *vlan;
161 struct wireless_station *sta;
164 blob_buf_init(&b, 0);
165 put_container(&b, wdev->config, "config");
167 blobmsg_add_blob(&b, wdev->data);
169 l = blobmsg_open_table(&b, "interfaces");
170 vlist_for_each_element(&wdev->interfaces, vif, node) {
171 i = blobmsg_open_table(&b, vif->name);
172 vif_config_add_bridge(&b, vif->network, up);
173 put_container(&b, vif->config, "config");
175 blobmsg_add_blob(&b, vif->data);
177 j = blobmsg_open_table(&b, "vlans");
178 vlist_for_each_element(&wdev->vlans, vlan, node) {
179 if (strcmp(vlan->vif, vif->name))
181 k = blobmsg_open_table(&b, vlan->name);
182 vif_config_add_bridge(&b, vlan->network, up);
183 put_container(&b, vlan->config, "config");
185 blobmsg_add_blob(&b, vlan->data);
186 blobmsg_close_table(&b, k);
188 blobmsg_close_table(&b, j);
190 j = blobmsg_open_table(&b, "stas");
191 vlist_for_each_element(&wdev->stations, sta, node) {
192 if (strcmp(sta->vif, vif->name))
194 k = blobmsg_open_table(&b, sta->name);
195 put_container(&b, sta->config, "config");
197 blobmsg_add_blob(&b, sta->data);
198 blobmsg_close_table(&b, k);
200 blobmsg_close_table(&b, j);
201 blobmsg_close_table(&b, i);
203 blobmsg_close_table(&b, l);
208 wireless_process_check(struct wireless_process *proc)
210 return check_pid_path(proc->pid, proc->exe);
214 wireless_complete_kill_request(struct wireless_device *wdev)
216 if (!wdev->kill_request)
219 ubus_complete_deferred_request(ubus_ctx, wdev->kill_request, 0);
220 free(wdev->kill_request);
221 wdev->kill_request = NULL;
225 wireless_process_free(struct wireless_device *wdev, struct wireless_process *proc)
227 D(WIRELESS, "Wireless device '%s' free pid %d\n", wdev->name, proc->pid);
228 list_del(&proc->list);
231 if (list_empty(&wdev->script_proc))
232 wireless_complete_kill_request(wdev);
236 wireless_close_script_proc_fd(struct wireless_device *wdev)
238 if (wdev->script_proc_fd.fd < 0)
241 uloop_fd_delete(&wdev->script_proc_fd);
242 close(wdev->script_proc_fd.fd);
243 wdev->script_proc_fd.fd = -1;
247 wireless_process_kill_all(struct wireless_device *wdev, int signal, bool free)
249 struct wireless_process *proc, *tmp;
251 list_for_each_entry_safe(proc, tmp, &wdev->script_proc, list) {
252 bool check = wireless_process_check(proc);
255 D(WIRELESS, "Wireless device '%s' kill pid %d\n", wdev->name, proc->pid);
256 kill(proc->pid, signal);
260 wireless_process_free(wdev, proc);
264 wireless_close_script_proc_fd(wdev);
268 wireless_device_free_state(struct wireless_device *wdev)
270 struct wireless_interface *vif;
271 struct wireless_vlan *vlan;
272 struct wireless_station *sta;
274 wireless_handler_stop(wdev);
275 uloop_timeout_cancel(&wdev->script_check);
276 uloop_timeout_cancel(&wdev->timeout);
277 wireless_complete_kill_request(wdev);
280 vlist_for_each_element(&wdev->interfaces, vif, node) {
285 vlist_for_each_element(&wdev->vlans, vlan, node) {
290 vlist_for_each_element(&wdev->stations, sta, node) {
296 static void wireless_interface_handle_link(struct wireless_interface *vif, bool up)
298 struct interface *iface;
299 struct blob_attr *cur;
303 if (!vif->network || !vif->ifname)
307 struct device *dev = device_get(vif->ifname, 2);
309 dev->wireless_isolate = vif->isolate;
310 dev->wireless = true;
311 dev->wireless_ap = vif->ap_mode;
315 blobmsg_for_each_attr(cur, vif->network, rem) {
316 network = blobmsg_data(cur);
318 iface = vlist_find(&interfaces, network, iface, node);
322 interface_handle_link(iface, vif->ifname, up, true);
326 static void wireless_vlan_handle_link(struct wireless_vlan *vlan, bool up)
328 struct interface *iface;
329 struct blob_attr *cur;
333 if (!vlan->network || !vlan->ifname)
337 struct device *dev = device_get(vlan->ifname, 2);
339 dev->wireless_isolate = vlan->isolate;
340 dev->wireless = true;
341 dev->wireless_ap = true;
345 blobmsg_for_each_attr(cur, vlan->network, rem) {
346 network = blobmsg_data(cur);
348 iface = vlist_find(&interfaces, network, iface, node);
352 interface_handle_link(iface, vlan->ifname, up, true);
357 wireless_device_setup_cancel(struct wireless_device *wdev)
362 wireless_handler_stop(wdev);
363 D(WIRELESS, "Cancel wireless device '%s' setup\n", wdev->name);
365 uloop_timeout_set(&wdev->timeout, 10 * 1000);
369 wireless_device_run_handler(struct wireless_device *wdev, bool up)
371 const char *action = up ? "setup" : "teardown";
375 int fds[2] = { -1, -1 };
377 wireless_handler_stop(wdev);
379 if (handler_pending && wdev->serialize) {
380 wdev->handler_action = up;
381 wdev->handler_pending = true;
382 list_add_tail(&wdev->handler, &handlers);
386 handler_pending = true;
388 D(WIRELESS, "Wireless device '%s' run %s handler\n", wdev->name, action);
389 if (!up && wdev->prev_config) {
390 config = blobmsg_format_json(wdev->prev_config, true);
391 free(wdev->prev_config);
392 wdev->prev_config = NULL;
394 prepare_config(wdev, &b, up);
395 config = blobmsg_format_json(b.head, true);
398 argv[i++] = wdev->drv->script;
399 argv[i++] = wdev->drv->name;
401 argv[i++] = wdev->name;
405 if (up && pipe(fds) == 0) {
406 wdev->script_proc_fd.fd = fds[0];
407 uloop_fd_add(&wdev->script_proc_fd,
408 ULOOP_READ | ULOOP_EDGE_TRIGGER);
411 netifd_start_process(argv, NULL, &wdev->script_task);
420 wireless_handler_next(void)
422 struct wireless_device *wdev;
426 if (list_empty(&handlers))
428 wdev = list_first_entry(&handlers, struct wireless_device, handler);
429 list_del(&wdev->handler);
430 wdev->handler_pending = false;
431 wireless_device_run_handler(wdev, wdev->handler_action);
435 __wireless_device_set_up(struct wireless_device *wdev, int force)
440 if (wdev->retry_setup_failed)
443 if (!wdev->autostart)
446 if (!force && (wdev->state != IFS_DOWN || config_init))
449 free(wdev->prev_config);
450 wdev->prev_config = NULL;
451 wdev->state = IFS_SETUP;
452 wireless_device_run_handler(wdev, true);
456 wireless_device_free(struct wireless_device *wdev)
458 wireless_handler_stop(wdev);
459 vlist_flush_all(&wdev->interfaces);
460 vlist_flush_all(&wdev->vlans);
461 vlist_flush_all(&wdev->stations);
462 avl_delete(&wireless_devices.avl, &wdev->node.avl);
464 free(wdev->prev_config);
469 wdev_handle_config_change(struct wireless_device *wdev)
471 enum interface_config_state state = wdev->config_state;
476 __wireless_device_set_up(wdev, 0);
478 wdev->config_state = IFC_NORMAL;
481 wireless_device_free(wdev);
487 wireless_device_mark_down(struct wireless_device *wdev)
489 struct wireless_interface *vif;
490 struct wireless_vlan *vlan;
492 D(WIRELESS, "Wireless device '%s' is now down\n", wdev->name);
494 vlist_for_each_element(&wdev->vlans, vlan, node)
495 wireless_vlan_handle_link(vlan, false);
497 vlist_for_each_element(&wdev->interfaces, vif, node)
498 wireless_interface_handle_link(vif, false);
500 wireless_process_kill_all(wdev, SIGTERM, true);
502 wdev->cancel = false;
503 wdev->state = IFS_DOWN;
504 wireless_device_free_state(wdev);
505 wdev_handle_config_change(wdev);
509 wireless_device_setup_timeout(struct uloop_timeout *timeout)
511 struct wireless_device *wdev = container_of(timeout, struct wireless_device, timeout);
513 if (wdev->handler_pending) {
514 wdev->handler_pending = false;
515 list_del(&wdev->handler);
517 netifd_kill_process(&wdev->script_task);
518 wdev->script_task.cb(&wdev->script_task, -1);
519 wireless_device_mark_down(wdev);
523 wireless_device_set_up(struct wireless_device *wdev)
525 wdev->retry = WIRELESS_SETUP_RETRY;
526 wdev->autostart = true;
527 __wireless_device_set_up(wdev, 0);
531 wireless_device_reconf(struct wireless_device *wdev)
533 wdev->retry = WIRELESS_SETUP_RETRY;
534 wdev->autostart = true;
535 __wireless_device_set_up(wdev, wdev->reconf && (wdev->state == IFS_UP));
539 __wireless_device_set_down(struct wireless_device *wdev)
541 if (wdev->state == IFS_TEARDOWN || wdev->state == IFS_DOWN)
544 if (wdev->script_task.uloop.pending) {
545 wireless_device_setup_cancel(wdev);
549 wdev->state = IFS_TEARDOWN;
550 wireless_device_run_handler(wdev, false);
554 wireless_device_mark_up(struct wireless_device *wdev)
556 struct wireless_interface *vif;
557 struct wireless_vlan *vlan;
560 wdev->cancel = false;
561 __wireless_device_set_down(wdev);
565 D(WIRELESS, "Wireless device '%s' is now up\n", wdev->name);
566 wdev->state = IFS_UP;
567 vlist_for_each_element(&wdev->interfaces, vif, node)
568 wireless_interface_handle_link(vif, true);
569 vlist_for_each_element(&wdev->vlans, vlan, node)
570 wireless_vlan_handle_link(vlan, true);
574 wireless_device_retry_setup(struct wireless_device *wdev)
576 if (wdev->state == IFS_TEARDOWN || wdev->state == IFS_DOWN || wdev->cancel)
579 if (--wdev->retry < 0)
580 wdev->retry_setup_failed = true;
582 __wireless_device_set_down(wdev);
586 wireless_device_script_task_cb(struct netifd_process *proc, int ret)
588 struct wireless_device *wdev = container_of(proc, struct wireless_device, script_task);
590 switch (wdev->state) {
592 wireless_device_retry_setup(wdev);
595 wireless_device_mark_down(wdev);
601 if (wdev->serialize) {
602 handler_pending = false;
603 wireless_handler_next();
608 wireless_device_set_down(struct wireless_device *wdev)
610 wdev->retry_setup_failed = false;
611 wdev->autostart = false;
612 __wireless_device_set_down(wdev);
616 wdev_set_config_state(struct wireless_device *wdev, enum interface_config_state s)
618 if (wdev->config_state != IFC_NORMAL)
621 wdev->config_state = s;
622 if (wdev->state == IFS_DOWN)
623 wdev_handle_config_change(wdev);
624 else if (!wdev->reconf || wdev->state != IFS_UP)
625 __wireless_device_set_down(wdev);
629 wdev_prepare_prev_config(struct wireless_device *wdev)
631 if (wdev->prev_config)
634 prepare_config(wdev, &b, false);
635 wdev->prev_config = blob_memdup(b.head);
639 wdev_change_config(struct wireless_device *wdev, struct wireless_device *wd_new)
641 struct blob_attr *new_config = wd_new->config;
642 bool disabled = wd_new->disabled;
646 wdev_prepare_prev_config(wdev);
647 if (blob_attr_equal(wdev->config, new_config) && wdev->disabled == disabled)
650 D(WIRELESS, "Update configuration of wireless device '%s'\n", wdev->name);
652 wdev->config = blob_memdup(new_config);
653 wdev->disabled = disabled;
654 wdev->retry_setup_failed = false;
655 wdev_set_config_state(wdev, IFC_RELOAD);
659 wdev_create(struct wireless_device *wdev)
661 wdev->retry = WIRELESS_SETUP_RETRY;
662 wdev->config = blob_memdup(wdev->config);
666 wdev_update(struct vlist_tree *tree, struct vlist_node *node_new,
667 struct vlist_node *node_old)
669 struct wireless_device *wd_old = container_of(node_old, struct wireless_device, node);
670 struct wireless_device *wd_new = container_of(node_new, struct wireless_device, node);
672 if (wd_old && wd_new) {
673 D(WIRELESS, "Update wireless device '%s'\n", wd_old->name);
674 wdev_change_config(wd_old, wd_new);
676 D(WIRELESS, "Delete wireless device '%s'\n", wd_old->name);
677 wdev_set_config_state(wd_old, IFC_REMOVE);
679 D(WIRELESS, "Create wireless device '%s'\n", wd_new->name);
685 wireless_add_handler(const char *script, const char *name, json_object *obj)
687 struct wireless_driver *drv;
688 char *name_str, *script_str;
689 json_object *dev_config_obj, *iface_config_obj, *vlan_config_obj, *station_config_obj;
690 struct uci_blob_param_list *dev_config, *iface_config, *vlan_config, *station_config;
692 dev_config_obj = json_get_field(obj, "device", json_type_array);
693 iface_config_obj = json_get_field(obj, "iface", json_type_array);
694 vlan_config_obj = json_get_field(obj, "vlan", json_type_array);
695 station_config_obj = json_get_field(obj, "station", json_type_array);
697 if (!dev_config_obj || !iface_config_obj || !vlan_config_obj || !station_config_obj)
700 drv = calloc_a(sizeof(*drv),
701 &dev_config, sizeof(*dev_config) + sizeof(void *),
702 &iface_config, sizeof(*iface_config) + sizeof(void *),
703 &vlan_config, sizeof(*vlan_config) + sizeof(void *),
704 &station_config, sizeof(*station_config) + sizeof(void *),
705 &name_str, strlen(name) + 1,
706 &script_str, strlen(script) + 1);
708 drv->name = strcpy(name_str, name);
709 drv->script = strcpy(script_str, script);
711 dev_config->n_next = 1;
712 dev_config->next[0] = &wdev_param;
713 drv->device.config = dev_config;
715 iface_config->n_next = 1;
716 iface_config->next[0] = &vif_param;
717 drv->interface.config = iface_config;
719 vlan_config->n_next = 1;
720 vlan_config->next[0] = &vlan_param;
721 drv->vlan.config = vlan_config;
723 station_config->n_next = 1;
724 station_config->next[0] = &station_param;
725 drv->station.config = station_config;
727 drv->device.buf = netifd_handler_parse_config(drv->device.config, dev_config_obj);
728 drv->interface.buf = netifd_handler_parse_config(drv->interface.config, iface_config_obj);
729 drv->vlan.buf = netifd_handler_parse_config(drv->vlan.config, vlan_config_obj);
730 drv->station.buf = netifd_handler_parse_config(drv->station.config, station_config_obj);
732 drv->node.key = drv->name;
733 avl_insert(&wireless_drivers, &drv->node);
734 D(WIRELESS, "Add handler for script %s: %s\n", script, name);
737 void wireless_init(void)
739 vlist_init(&wireless_devices, avl_strcmp, wdev_update);
740 wireless_devices.keep_old = true;
741 wireless_devices.no_delete = true;
743 avl_init(&wireless_drivers, avl_strcmp, false, NULL);
744 drv_fd = netifd_open_subdir("wireless");
748 netifd_init_script_handlers(drv_fd, wireless_add_handler);
752 wireless_interface_init_config(struct wireless_interface *vif)
754 struct blob_attr *tb[__VIF_ATTR_MAX];
755 struct blob_attr *cur;
758 blobmsg_parse(vif_policy, __VIF_ATTR_MAX, tb, blob_data(vif->config), blob_len(vif->config));
760 if ((cur = tb[VIF_ATTR_NETWORK]))
763 cur = tb[VIF_ATTR_ISOLATE];
765 vif->isolate = blobmsg_get_bool(cur);
767 cur = tb[VIF_ATTR_MODE];
769 vif->ap_mode = !strcmp(blobmsg_get_string(cur), "ap");
773 vif_update(struct vlist_tree *tree, struct vlist_node *node_new,
774 struct vlist_node *node_old)
776 struct wireless_interface *vif_old = container_of(node_old, struct wireless_interface, node);
777 struct wireless_interface *vif_new = container_of(node_new, struct wireless_interface, node);
778 struct wireless_device *wdev;
781 wdev = vif_old->wdev;
783 wdev = vif_new->wdev;
785 if (vif_old && vif_new) {
786 free((void *) vif_old->section);
787 vif_old->section = strdup(vif_new->section);
788 if (blob_attr_equal(vif_old->config, vif_new->config)) {
793 D(WIRELESS, "Update wireless interface %s on device %s\n", vif_new->name, wdev->name);
794 wireless_interface_handle_link(vif_old, false);
795 free(vif_old->config);
796 vif_old->config = blob_memdup(vif_new->config);
797 vif_old->isolate = vif_new->isolate;
798 vif_old->ap_mode = vif_new->ap_mode;
799 wireless_interface_init_config(vif_old);
801 } else if (vif_new) {
802 D(WIRELESS, "Create new wireless interface %s on device %s\n", vif_new->name, wdev->name);
803 vif_new->section = strdup(vif_new->section);
804 vif_new->config = blob_memdup(vif_new->config);
805 wireless_interface_init_config(vif_new);
806 } else if (vif_old) {
807 D(WIRELESS, "Delete wireless interface %s on device %s\n", vif_old->name, wdev->name);
808 wireless_interface_handle_link(vif_old, false);
809 free((void *) vif_old->section);
810 free(vif_old->config);
814 wdev_set_config_state(wdev, IFC_RELOAD);
818 wireless_vlan_init_config(struct wireless_vlan *vlan)
820 struct blob_attr *tb[__VLAN_ATTR_MAX];
821 struct blob_attr *cur;
823 vlan->network = NULL;
824 blobmsg_parse(vlan_policy, __VLAN_ATTR_MAX, tb, blob_data(vlan->config), blob_len(vlan->config));
826 if ((cur = tb[VLAN_ATTR_NETWORK]))
829 cur = tb[VLAN_ATTR_ISOLATE];
831 vlan->isolate = blobmsg_get_bool(cur);
835 vlan_update(struct vlist_tree *tree, struct vlist_node *node_new,
836 struct vlist_node *node_old)
838 struct wireless_vlan *vlan_old = container_of(node_old, struct wireless_vlan, node);
839 struct wireless_vlan *vlan_new = container_of(node_new, struct wireless_vlan, node);
840 struct wireless_device *wdev;
843 wdev = vlan_old->wdev;
845 wdev = vlan_new->wdev;
847 if (vlan_old && vlan_new) {
848 free((void *) vlan_old->section);
849 vlan_old->section = strdup(vlan_new->section);
850 if (blob_attr_equal(vlan_old->config, vlan_new->config)) {
855 D(WIRELESS, "Update wireless vlan %s on device %s\n", vlan_new->name, wdev->name);
856 wireless_vlan_handle_link(vlan_old, false);
857 free(vlan_old->config);
858 vlan_old->config = blob_memdup(vlan_new->config);
859 vlan_old->isolate = vlan_new->isolate;
860 wireless_vlan_init_config(vlan_old);
862 } else if (vlan_new) {
863 D(WIRELESS, "Create new wireless vlan %s on device %s\n", vlan_new->name, wdev->name);
864 vlan_new->section = strdup(vlan_new->section);
865 vlan_new->config = blob_memdup(vlan_new->config);
866 wireless_vlan_init_config(vlan_new);
867 } else if (vlan_old) {
868 D(WIRELESS, "Delete wireless interface %s on device %s\n", vlan_old->name, wdev->name);
869 wireless_vlan_handle_link(vlan_old, false);
870 free((void *) vlan_old->section);
871 free(vlan_old->config);
875 wdev_set_config_state(wdev, IFC_RELOAD);
879 station_update(struct vlist_tree *tree, struct vlist_node *node_new,
880 struct vlist_node *node_old)
882 struct wireless_station *sta_old = container_of(node_old, struct wireless_station, node);
883 struct wireless_station *sta_new = container_of(node_new, struct wireless_station, node);
884 struct wireless_device *wdev;
887 wdev = sta_old->wdev;
889 wdev = sta_new->wdev;
891 if (sta_old && sta_new) {
892 free((void *) sta_old->section);
893 sta_old->section = strdup(sta_new->section);
894 if (blob_attr_equal(sta_old->config, sta_new->config)) {
899 D(WIRELESS, "Update wireless station %s on device %s\n", sta_new->name, wdev->name);
900 free(sta_old->config);
901 sta_old->config = blob_memdup(sta_new->config);
903 } else if (sta_new) {
904 D(WIRELESS, "Create new wireless station %s on device %s\n", sta_new->name, wdev->name);
905 sta_new->section = strdup(sta_new->section);
906 sta_new->config = blob_memdup(sta_new->config);
907 } else if (sta_old) {
908 D(WIRELESS, "Delete wireless station %s on device %s\n", sta_old->name, wdev->name);
909 free((void *) sta_old->section);
910 free(sta_old->config);
914 wdev_set_config_state(wdev, IFC_RELOAD);
918 wireless_proc_poll_fd(struct uloop_fd *fd, unsigned int events)
920 struct wireless_device *wdev = container_of(fd, struct wireless_device, script_proc_fd);
924 int b = read(fd->fd, buf, sizeof(buf));
940 uloop_timeout_set(&wdev->script_check, 0);
941 wireless_close_script_proc_fd(wdev);
945 wireless_device_check_script_tasks(struct uloop_timeout *timeout)
947 struct wireless_device *wdev = container_of(timeout, struct wireless_device, script_check);
948 struct wireless_process *proc, *tmp;
949 bool restart = false;
951 list_for_each_entry_safe(proc, tmp, &wdev->script_proc, list) {
952 if (wireless_process_check(proc))
955 D(WIRELESS, "Wireless device '%s' pid %d has terminated\n", wdev->name, proc->pid);
959 wireless_process_free(wdev, proc);
963 wireless_device_retry_setup(wdev);
965 uloop_timeout_set(&wdev->script_check, 1000);
969 wireless_device_create(struct wireless_driver *drv, const char *name, struct blob_attr *data)
971 struct wireless_device *wdev;
973 struct blob_attr *tb[__WDEV_ATTR_MAX];
974 struct blob_attr *cur;
976 blobmsg_parse(wdev_policy, __WDEV_ATTR_MAX, tb, blob_data(data), blob_len(data));
978 wdev = calloc_a(sizeof(*wdev), &name_buf, strlen(name) + 1);
980 cur = tb[WDEV_ATTR_DISABLED];
981 wdev->disabled = cur && blobmsg_get_bool(cur);
984 wdev->state = IFS_DOWN;
985 wdev->config_state = IFC_NORMAL;
986 wdev->name = strcpy(name_buf, name);
988 wdev->handler_pending = false;
990 cur = tb[WDEV_ATTR_SERIALIZE];
991 wdev->serialize = cur && blobmsg_get_bool(cur);
993 cur = tb[WDEV_ATTR_RECONF];
994 wdev->reconf = cur && blobmsg_get_bool(cur);
996 wdev->retry_setup_failed = false;
997 wdev->autostart = true;
998 INIT_LIST_HEAD(&wdev->script_proc);
999 vlist_init(&wdev->interfaces, avl_strcmp, vif_update);
1000 wdev->interfaces.keep_old = true;
1001 vlist_init(&wdev->vlans, avl_strcmp, vlan_update);
1002 wdev->vlans.keep_old = true;
1003 vlist_init(&wdev->stations, avl_strcmp, station_update);
1004 wdev->stations.keep_old = true;
1006 wdev->timeout.cb = wireless_device_setup_timeout;
1007 wdev->script_task.cb = wireless_device_script_task_cb;
1008 wdev->script_task.dir_fd = drv_fd;
1009 wdev->script_task.log_prefix = wdev->name;
1011 wdev->script_proc_fd.fd = -1;
1012 wdev->script_proc_fd.cb = wireless_proc_poll_fd;
1014 wdev->script_check.cb = wireless_device_check_script_tasks;
1016 vlist_add(&wireless_devices, &wdev->node, wdev->name);
1020 wireless_station_create(struct wireless_device *wdev, char *vif, struct blob_attr *data, const char *section)
1022 struct wireless_station *sta;
1023 struct blob_attr *tb[__STA_ATTR_MAX];
1024 struct blob_attr *cur;
1025 char *name_buf, *vif_buf;
1028 blobmsg_parse(sta_policy, __STA_ATTR_MAX, tb, blob_data(data), blob_len(data));
1030 cur = tb[STA_ATTR_DISABLED];
1031 if (cur && blobmsg_get_bool(cur))
1034 sprintf(name, "%d", wdev->vlan_idx++);
1036 sta = calloc_a(sizeof(*sta),
1037 &name_buf, strlen(name) + 1,
1038 &vif_buf, strlen(vif) + 1);
1039 sta->name = strcpy(name_buf, name);
1040 sta->vif = strcpy(vif_buf, vif);
1043 sta->section = section;
1045 vlist_add(&wdev->stations, &sta->node, sta->name);
1049 wireless_station_status(struct wireless_station *sta, struct blob_buf *b)
1053 i = blobmsg_open_table(b, NULL);
1055 blobmsg_add_string(b, "section", sta->section);
1056 put_container(b, sta->config, "config");
1057 blobmsg_close_table(b, i);
1061 wireless_vlan_create(struct wireless_device *wdev, char *vif, struct blob_attr *data, const char *section)
1063 struct wireless_vlan *vlan;
1064 struct blob_attr *tb[__VLAN_ATTR_MAX];
1065 struct blob_attr *cur;
1066 char *name_buf, *vif_buf;
1069 blobmsg_parse(vlan_policy, __VLAN_ATTR_MAX, tb, blob_data(data), blob_len(data));
1071 cur = tb[VLAN_ATTR_DISABLED];
1072 if (cur && blobmsg_get_bool(cur))
1075 sprintf(name, "%d", wdev->vlan_idx++);
1077 vlan = calloc_a(sizeof(*vlan),
1078 &name_buf, strlen(name) + 1,
1079 &vif_buf, strlen(vif) + 1);
1080 vlan->name = strcpy(name_buf, name);
1081 vlan->vif = strcpy(vif_buf, vif);
1083 vlan->config = data;
1084 vlan->section = section;
1085 vlan->isolate = false;
1087 vlist_add(&wdev->vlans, &vlan->node, vlan->name);
1091 wireless_vlan_status(struct wireless_vlan *vlan, struct blob_buf *b)
1095 i = blobmsg_open_table(b, NULL);
1097 blobmsg_add_string(b, "section", vlan->section);
1099 blobmsg_add_string(b, "ifname", vlan->ifname);
1100 put_container(b, vlan->config, "config");
1101 blobmsg_close_table(b, i);
1104 struct wireless_interface* wireless_interface_create(struct wireless_device *wdev, struct blob_attr *data, const char *section)
1106 struct wireless_interface *vif;
1107 struct blob_attr *tb[__VIF_ATTR_MAX];
1108 struct blob_attr *cur;
1112 blobmsg_parse(vif_policy, __VIF_ATTR_MAX, tb, blob_data(data), blob_len(data));
1114 cur = tb[VIF_ATTR_DISABLED];
1115 if (cur && blobmsg_get_bool(cur))
1118 sprintf(name, "%d", wdev->vif_idx++);
1120 vif = calloc_a(sizeof(*vif),
1121 &name_buf, strlen(name) + 1);
1122 vif->name = strcpy(name_buf, name);
1125 vif->section = section;
1126 vif->isolate = false;
1128 vlist_add(&wdev->interfaces, &vif->node, vif->name);
1133 wireless_interface_status(struct wireless_interface *iface, struct blob_buf *b)
1135 struct wireless_vlan *vlan;
1136 struct wireless_station *sta;
1139 i = blobmsg_open_table(b, NULL);
1141 blobmsg_add_string(b, "section", iface->section);
1143 blobmsg_add_string(b, "ifname", iface->ifname);
1144 put_container(b, iface->config, "config");
1145 j = blobmsg_open_array(b, "vlans");
1146 vlist_for_each_element(&iface->wdev->vlans, vlan, node)
1147 if (!strcmp(iface->name, vlan->vif))
1148 wireless_vlan_status(vlan, b);
1149 blobmsg_close_array(b, j);
1150 j = blobmsg_open_array(b, "stations");
1151 vlist_for_each_element(&iface->wdev->stations, sta, node)
1152 if (!strcmp(iface->name, sta->vif))
1153 wireless_station_status(sta, b);
1154 blobmsg_close_array(b, j);
1155 blobmsg_close_table(b, i);
1159 wireless_device_status(struct wireless_device *wdev, struct blob_buf *b)
1161 struct wireless_interface *iface;
1164 c = blobmsg_open_table(b, wdev->name);
1165 blobmsg_add_u8(b, "up", wdev->state == IFS_UP);
1166 blobmsg_add_u8(b, "pending", wdev->state == IFS_SETUP || wdev->state == IFS_TEARDOWN);
1167 blobmsg_add_u8(b, "autostart", wdev->autostart);
1168 blobmsg_add_u8(b, "disabled", wdev->disabled);
1169 blobmsg_add_u8(b, "retry_setup_failed", wdev->retry_setup_failed);
1170 put_container(b, wdev->config, "config");
1172 i = blobmsg_open_array(b, "interfaces");
1173 vlist_for_each_element(&wdev->interfaces, iface, node)
1174 wireless_interface_status(iface, b);
1175 blobmsg_close_array(b, i);
1176 blobmsg_close_table(b, c);
1180 wireless_device_get_validate(struct wireless_device *wdev, struct blob_buf *b)
1182 struct uci_blob_param_list *p;
1186 c = blobmsg_open_table(b, wdev->name);
1188 d = blobmsg_open_table(b, "device");
1189 p = wdev->drv->device.config;
1190 for (i = 0; i < p->n_params; i++)
1191 blobmsg_add_string(b, p->params[i].name, uci_get_validate_string(p, i));
1192 blobmsg_close_table(b, d);
1194 d = blobmsg_open_table(b, "interface");
1195 p = wdev->drv->interface.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 blobmsg_close_table(b, c);
1204 wireless_interface_set_data(struct wireless_interface *vif)
1210 static const struct blobmsg_policy data_policy[__VIF_DATA_MAX] = {
1211 [VIF_DATA_IFNAME] = { .name = "ifname", .type = BLOBMSG_TYPE_STRING },
1213 struct blob_attr *tb[__VIF_DATA_MAX];
1214 struct blob_attr *cur;
1216 blobmsg_parse(data_policy, __VIF_DATA_MAX, tb,
1217 blobmsg_data(vif->data), blobmsg_data_len(vif->data));
1219 if ((cur = tb[VIF_DATA_IFNAME]))
1220 vif->ifname = blobmsg_data(cur);
1224 wireless_vlan_set_data(struct wireless_vlan *vlan)
1230 static const struct blobmsg_policy data_policy[__VLAN_DATA_MAX] = {
1231 [VLAN_DATA_IFNAME] = { .name = "ifname", .type = BLOBMSG_TYPE_STRING },
1233 struct blob_attr *tb[__VLAN_DATA_MAX];
1234 struct blob_attr *cur;
1236 blobmsg_parse(data_policy, __VLAN_DATA_MAX, tb,
1237 blobmsg_data(vlan->data), blobmsg_data_len(vlan->data));
1239 if ((cur = tb[VLAN_DATA_IFNAME]))
1240 vlan->ifname = blobmsg_data(cur);
1244 wireless_device_add_process(struct wireless_device *wdev, struct blob_attr *data)
1252 static const struct blobmsg_policy proc_policy[__PROC_ATTR_MAX] = {
1253 [PROC_ATTR_PID] = { .name = "pid", .type = BLOBMSG_TYPE_INT32 },
1254 [PROC_ATTR_EXE] = { .name = "exe", .type = BLOBMSG_TYPE_STRING },
1255 [PROC_ATTR_REQUIRED] = { .name = "required", .type = BLOBMSG_TYPE_BOOL },
1257 struct blob_attr *tb[__PROC_ATTR_MAX];
1258 struct wireless_process *proc;
1263 return UBUS_STATUS_INVALID_ARGUMENT;
1265 blobmsg_parse(proc_policy, __PROC_ATTR_MAX, tb, blobmsg_data(data), blobmsg_data_len(data));
1266 if (!tb[PROC_ATTR_PID] || !tb[PROC_ATTR_EXE])
1267 return UBUS_STATUS_INVALID_ARGUMENT;
1269 pid = blobmsg_get_u32(tb[PROC_ATTR_PID]);
1271 return UBUS_STATUS_INVALID_ARGUMENT;
1273 proc = calloc_a(sizeof(*proc),
1274 &name, strlen(blobmsg_data(tb[PROC_ATTR_EXE])) + 1);
1277 proc->exe = strcpy(name, blobmsg_data(tb[PROC_ATTR_EXE]));
1279 if (tb[PROC_ATTR_REQUIRED])
1280 proc->required = blobmsg_get_bool(tb[PROC_ATTR_REQUIRED]);
1282 D(WIRELESS, "Wireless device '%s' add pid %d\n", wdev->name, proc->pid);
1283 list_add(&proc->list, &wdev->script_proc);
1284 uloop_timeout_set(&wdev->script_check, 0);
1290 wireless_device_process_kill_all(struct wireless_device *wdev, struct blob_attr *data,
1291 struct ubus_request_data *req)
1295 KILL_ATTR_IMMEDIATE,
1298 static const struct blobmsg_policy kill_policy[__KILL_ATTR_MAX] = {
1299 [KILL_ATTR_SIGNAL] = { .name = "signal", .type = BLOBMSG_TYPE_INT32 },
1300 [KILL_ATTR_IMMEDIATE] = { .name = "immediate", .type = BLOBMSG_TYPE_BOOL },
1302 struct blob_attr *tb[__KILL_ATTR_MAX];
1303 struct blob_attr *cur;
1304 bool immediate = false;
1305 int signal = SIGTERM;
1307 blobmsg_parse(kill_policy, __KILL_ATTR_MAX, tb, blobmsg_data(data), blobmsg_data_len(data));
1309 if ((cur = tb[KILL_ATTR_SIGNAL]))
1310 signal = blobmsg_get_u32(cur);
1312 if ((cur = tb[KILL_ATTR_IMMEDIATE]))
1313 immediate = blobmsg_get_bool(cur);
1315 if (wdev->state != IFS_TEARDOWN || wdev->kill_request)
1316 return UBUS_STATUS_PERMISSION_DENIED;
1318 wireless_process_kill_all(wdev, signal, immediate);
1320 if (list_empty(&wdev->script_proc))
1323 wdev->kill_request = calloc(1, sizeof(*wdev->kill_request));
1324 ubus_defer_request(ubus_ctx, req, wdev->kill_request);
1330 wireless_device_set_retry(struct wireless_device *wdev, struct blob_attr *data)
1332 static const struct blobmsg_policy retry_policy = {
1333 .name = "retry", .type = BLOBMSG_TYPE_INT32
1335 struct blob_attr *val;
1337 blobmsg_parse(&retry_policy, 1, &val, blobmsg_data(data), blobmsg_data_len(data));
1339 return UBUS_STATUS_INVALID_ARGUMENT;
1341 wdev->retry = blobmsg_get_u32(val);
1347 NOTIFY_CMD_SET_DATA = 1,
1348 NOTIFY_CMD_PROCESS_ADD = 2,
1349 NOTIFY_CMD_PROCESS_KILL_ALL = 3,
1350 NOTIFY_CMD_SET_RETRY = 4,
1354 wireless_device_notify(struct wireless_device *wdev, struct blob_attr *data,
1355 struct ubus_request_data *req)
1358 NOTIFY_ATTR_COMMAND,
1364 static const struct blobmsg_policy notify_policy[__NOTIFY_MAX] = {
1365 [NOTIFY_ATTR_COMMAND] = { .name = "command", .type = BLOBMSG_TYPE_INT32 },
1366 [NOTIFY_ATTR_VIF] = { .name = "interface", .type = BLOBMSG_TYPE_STRING },
1367 [NOTIFY_ATTR_VLAN] = { .name = "vlan", .type = BLOBMSG_TYPE_STRING },
1368 [NOTIFY_ATTR_DATA] = { .name = "data", .type = BLOBMSG_TYPE_TABLE },
1370 struct wireless_interface *vif = NULL;
1371 struct wireless_vlan *vlan = NULL;
1372 struct blob_attr *tb[__NOTIFY_MAX];
1373 struct blob_attr *cur, **pdata;
1375 blobmsg_parse(notify_policy, __NOTIFY_MAX, tb, blob_data(data), blob_len(data));
1377 if (!tb[NOTIFY_ATTR_COMMAND])
1378 return UBUS_STATUS_INVALID_ARGUMENT;
1380 if ((cur = tb[NOTIFY_ATTR_VIF]) != NULL) {
1381 vif = vlist_find(&wdev->interfaces, blobmsg_data(cur), vif, node);
1383 return UBUS_STATUS_NOT_FOUND;
1386 if ((cur = tb[NOTIFY_ATTR_VLAN]) != NULL) {
1387 vlan = vlist_find(&wdev->vlans, blobmsg_data(cur), vlan, node);
1389 return UBUS_STATUS_NOT_FOUND;
1392 cur = tb[NOTIFY_ATTR_DATA];
1394 return UBUS_STATUS_INVALID_ARGUMENT;
1396 switch (blobmsg_get_u32(tb[NOTIFY_ATTR_COMMAND])) {
1399 return UBUS_STATUS_INVALID_ARGUMENT;
1401 if (wdev->state != IFS_SETUP)
1402 return UBUS_STATUS_PERMISSION_DENIED;
1404 wireless_device_mark_up(wdev);
1406 case NOTIFY_CMD_SET_DATA:
1410 pdata = &vlan->data;
1412 pdata = &wdev->data;
1415 return UBUS_STATUS_INVALID_ARGUMENT;
1417 *pdata = blob_memdup(cur);
1419 wireless_interface_set_data(vif);
1421 wireless_vlan_set_data(vlan);
1423 case NOTIFY_CMD_PROCESS_ADD:
1424 return wireless_device_add_process(wdev, cur);
1425 case NOTIFY_CMD_PROCESS_KILL_ALL:
1426 return wireless_device_process_kill_all(wdev, cur, req);
1427 case NOTIFY_CMD_SET_RETRY:
1428 return wireless_device_set_retry(wdev, cur);
1430 return UBUS_STATUS_INVALID_ARGUMENT;
1437 wireless_start_pending(void)
1439 struct wireless_device *wdev;
1441 vlist_for_each_element(&wireless_devices, wdev, node)
1442 __wireless_device_set_up(wdev, 0);