2 * netifd - network interface daemon
3 * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
22 #include "interface.h"
23 #include "interface-ip.h"
29 bool config_init = false;
31 static struct uci_context *uci_ctx;
32 static struct uci_package *uci_network;
33 static struct uci_package *uci_wireless;
34 static struct blob_buf b;
37 config_section_idx(struct uci_section *s)
39 struct uci_element *e;
42 uci_foreach_element(&uci_wireless->sections, e) {
43 struct uci_section *cur = uci_to_section(e);
48 if (!strcmp(cur->type, s->type))
56 config_parse_bridge_interface(struct uci_section *s, struct device_type *devtype)
60 name = alloca(strlen(s->e.name) + strlen(devtype->name_prefix) + 2);
61 sprintf(name, "%s-%s", devtype->name_prefix, s->e.name);
62 blobmsg_add_string(&b, "name", name);
64 uci_to_blob(&b, s, devtype->config_params);
65 if (!device_create(name, devtype, b.head)) {
66 D(INTERFACE, "Failed to create '%s' device for interface '%s'\n",
67 devtype->name, s->e.name);
71 blobmsg_add_string(&b, "ifname", name);
76 config_parse_interface(struct uci_section *s, bool alias)
78 struct interface *iface;
79 const char *type = NULL, *disabled;
80 struct blob_attr *config;
82 struct device_type *devtype = NULL;
84 disabled = uci_lookup_option_string(uci_ctx, s, "disabled");
85 if (disabled && !strcmp(disabled, "1"))
91 type = uci_lookup_option_string(uci_ctx, s, "type");
94 devtype = device_type_get(type);
96 if (devtype && devtype->bridge_capability) {
97 if (config_parse_bridge_interface(s, devtype))
103 uci_to_blob(&b, s, &interface_attr_list);
105 iface = interface_alloc(s->e.name, b.head, false);
109 if (iface->proto_handler && iface->proto_handler->config_params)
110 uci_to_blob(&b, s, iface->proto_handler->config_params);
112 if (!bridge && uci_to_blob(&b, s, simple_device_type.config_params))
113 iface->device_config = true;
115 config = blob_memdup(b.head);
120 if (!interface_add_alias(iface, config))
121 goto error_free_config;
123 if (!interface_add(iface, config))
124 goto error_free_config;
135 config_parse_route(struct uci_section *s, bool v6)
139 blob_buf_init(&b, 0);
140 route = blobmsg_open_array(&b, "route");
141 uci_to_blob(&b, s, &route_attr_list);
142 blobmsg_close_array(&b, route);
143 interface_ip_add_route(NULL, blob_data(b.head), v6);
147 config_parse_neighbor(struct uci_section *s, bool v6)
151 neighbor = blobmsg_open_array(&b, "neighbor");
152 uci_to_blob(&b,s, &neighbor_attr_list);
153 blobmsg_close_array(&b, neighbor);
154 interface_ip_add_neighbor(NULL, blob_data(b.head), v6);
158 config_parse_rule(struct uci_section *s, bool v6)
162 blob_buf_init(&b, 0);
163 rule = blobmsg_open_array(&b, "rule");
164 uci_to_blob(&b, s, &rule_attr_list);
165 blobmsg_close_array(&b, rule);
166 iprule_add(blob_data(b.head), v6);
170 config_init_devices(void)
172 struct uci_element *e;
174 uci_foreach_element(&uci_network->sections, e) {
175 const struct uci_blob_param_list *params = NULL;
176 struct uci_section *s = uci_to_section(e);
177 struct device_type *devtype = NULL;
179 const char *type, *name;
181 if (strcmp(s->type, "device") != 0)
184 name = uci_lookup_option_string(uci_ctx, s, "name");
188 type = uci_lookup_option_string(uci_ctx, s, "type");
190 devtype = device_type_get(type);
193 params = devtype->config_params;
195 params = simple_device_type.config_params;
197 blob_buf_init(&b, 0);
198 uci_to_blob(&b, s, params);
200 dev = device_create(name, devtype, b.head);
204 dev = device_get(name, 1);
208 dev->current_config = true;
209 device_apply_config(dev, dev->type, b.head);
211 dev->default_config = false;
215 static struct uci_package *
216 config_init_package(const char *config)
218 struct uci_context *ctx = uci_ctx;
219 struct uci_package *p = NULL;
222 ctx = uci_alloc_context();
225 ctx->flags &= ~UCI_FLAG_STRICT;
227 uci_set_confdir(ctx, config_path);
230 uci_set_savedir(ctx, "./tmp");
233 p = uci_lookup_package(ctx, config);
238 if (uci_load(ctx, config, &p))
245 config_init_interfaces(void)
247 struct uci_element *e;
249 uci_foreach_element(&uci_network->sections, e) {
250 struct uci_section *s = uci_to_section(e);
252 if (!strcmp(s->type, "interface"))
253 config_parse_interface(s, false);
256 uci_foreach_element(&uci_network->sections, e) {
257 struct uci_section *s = uci_to_section(e);
259 if (!strcmp(s->type, "alias"))
260 config_parse_interface(s, true);
267 struct interface *iface;
268 struct uci_element *e;
270 vlist_for_each_element(&interfaces, iface, node)
271 interface_ip_update_start(&iface->config_ip);
273 uci_foreach_element(&uci_network->sections, e) {
274 struct uci_section *s = uci_to_section(e);
276 if (!strcmp(s->type, "route"))
277 config_parse_route(s, false);
278 else if (!strcmp(s->type, "route6"))
279 config_parse_route(s, true);
280 if (!strcmp(s->type, "neighbor"))
281 config_parse_neighbor(s, false);
282 else if (!strcmp(s->type, "neighbor6"))
283 config_parse_neighbor(s, true);
286 vlist_for_each_element(&interfaces, iface, node)
287 interface_ip_update_complete(&iface->config_ip);
291 config_init_rules(void)
293 struct uci_element *e;
295 iprule_update_start();
297 uci_foreach_element(&uci_network->sections, e) {
298 struct uci_section *s = uci_to_section(e);
300 if (!strcmp(s->type, "rule"))
301 config_parse_rule(s, false);
302 else if (!strcmp(s->type, "rule6"))
303 config_parse_rule(s, true);
306 iprule_update_complete();
310 config_init_globals(void)
312 struct uci_section *globals = uci_lookup_section(
313 uci_ctx, uci_network, "globals");
317 const char *ula_prefix = uci_lookup_option_string(
318 uci_ctx, globals, "ula_prefix");
319 interface_ip_set_ula_prefix(ula_prefix);
323 config_parse_wireless_device(struct uci_section *s)
325 struct wireless_driver *drv;
326 const char *driver_name;
328 driver_name = uci_lookup_option_string(uci_ctx, s, "type");
332 drv = avl_find_element(&wireless_drivers, driver_name, drv, node);
336 blob_buf_init(&b, 0);
337 uci_to_blob(&b, s, drv->device.config);
338 wireless_device_create(drv, s->e.name, b.head);
341 static struct wireless_interface*
342 config_parse_wireless_interface(struct wireless_device *wdev, struct uci_section *s)
346 name = alloca(strlen(s->type) + 16);
347 sprintf(name, "@%s[%d]", s->type, config_section_idx(s));
349 blob_buf_init(&b, 0);
350 uci_to_blob(&b, s, wdev->drv->interface.config);
351 return wireless_interface_create(wdev, b.head, s->anonymous ? name : s->e.name);
355 config_parse_wireless_vlan(struct wireless_device *wdev, char *vif, struct uci_section *s)
359 name = alloca(strlen(s->type) + 16);
360 sprintf(name, "@%s[%d]", s->type, config_section_idx(s));
362 blob_buf_init(&b, 0);
363 uci_to_blob(&b, s, wdev->drv->vlan.config);
364 wireless_vlan_create(wdev, vif, b.head, s->anonymous ? name : s->e.name);
368 config_parse_wireless_station(struct wireless_device *wdev, char *vif, struct uci_section *s)
372 name = alloca(strlen(s->type) + 16);
373 sprintf(name, "@%s[%d]", s->type, config_section_idx(s));
375 blob_buf_init(&b, 0);
376 uci_to_blob(&b, s, wdev->drv->station.config);
377 wireless_station_create(wdev, vif, b.head, s->anonymous ? name : s->e.name);
381 config_init_wireless(void)
383 struct wireless_device *wdev;
384 struct uci_element *e;
385 const char *dev_name;
388 DPRINTF("No wireless configuration found\n");
392 vlist_update(&wireless_devices);
394 uci_foreach_element(&uci_wireless->sections, e) {
395 struct uci_section *s = uci_to_section(e);
396 if (strcmp(s->type, "wifi-device") != 0)
399 config_parse_wireless_device(s);
402 vlist_flush(&wireless_devices);
404 vlist_for_each_element(&wireless_devices, wdev, node) {
406 vlist_update(&wdev->interfaces);
408 vlist_update(&wdev->vlans);
410 vlist_update(&wdev->stations);
413 uci_foreach_element(&uci_wireless->sections, e) {
414 struct uci_section *s = uci_to_section(e);
415 struct wireless_interface *vif;
416 struct uci_element *f;
418 if (strcmp(s->type, "wifi-iface") != 0)
421 dev_name = uci_lookup_option_string(uci_ctx, s, "device");
425 wdev = vlist_find(&wireless_devices, dev_name, wdev, node);
427 DPRINTF("device %s not found!\n", dev_name);
431 vif = config_parse_wireless_interface(wdev, s);
433 if (!vif || s->anonymous)
435 uci_foreach_element(&uci_wireless->sections, f) {
436 struct uci_section *s = uci_to_section(f);
437 const char *vif_name;
439 if (strcmp(s->type, "wifi-vlan") != 0)
442 vif_name = uci_lookup_option_string(uci_ctx, s, "iface");
443 if (vif_name && strcmp(e->name, vif_name))
445 config_parse_wireless_vlan(wdev, vif->name, s);
448 uci_foreach_element(&uci_wireless->sections, f) {
449 struct uci_section *s = uci_to_section(f);
450 const char *vif_name;
452 if (strcmp(s->type, "wifi-station") != 0)
455 vif_name = uci_lookup_option_string(uci_ctx, s, "iface");
456 if (vif_name && strcmp(e->name, vif_name))
458 config_parse_wireless_station(wdev, vif->name, s);
462 vlist_for_each_element(&wireless_devices, wdev, node) {
463 vlist_flush(&wdev->interfaces);
464 vlist_flush(&wdev->vlans);
465 vlist_flush(&wdev->stations);
470 config_init_all(void)
475 uci_network = config_init_package("network");
477 uci_get_errorstr(uci_ctx, &err, NULL);
478 netifd_log_message(L_CRIT, "Failed to load network config (%s)\n", err);
483 uci_wireless = config_init_package("wireless");
484 if (!uci_wireless && uci_ctx->err != UCI_ERR_NOTFOUND) {
485 uci_get_errorstr(uci_ctx, &err, NULL);
486 netifd_log_message(L_CRIT, "Failed to load wireless config (%s)\n", err);
491 vlist_update(&interfaces);
495 device_reset_config();
496 config_init_devices();
497 config_init_interfaces();
500 config_init_globals();
501 config_init_wireless();
507 device_init_pending();
508 vlist_flush(&interfaces);
509 device_free_unused(NULL);
510 interface_refresh_assignments(false);
511 interface_start_pending();
512 wireless_start_pending();