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)
60 name = alloca(strlen(s->e.name) + 4);
61 sprintf(name, "br-%s", s->e.name);
62 blobmsg_add_string(&b, "name", name);
64 uci_to_blob(&b, s, bridge_device_type.config_params);
65 if (!device_create(name, &bridge_device_type, b.head)) {
66 D(INTERFACE, "Failed to create bridge for interface '%s'\n", 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;
83 disabled = uci_lookup_option_string(uci_ctx, s, "disabled");
84 if (disabled && !strcmp(disabled, "1"))
90 type = uci_lookup_option_string(uci_ctx, s, "type");
91 if (type && !strcmp(type, "bridge")) {
92 if (config_parse_bridge_interface(s))
98 uci_to_blob(&b, s, &interface_attr_list);
100 iface = interface_alloc(s->e.name, b.head);
104 if (iface->proto_handler && iface->proto_handler->config_params)
105 uci_to_blob(&b, s, iface->proto_handler->config_params);
107 if (!bridge && uci_to_blob(&b, s, simple_device_type.config_params))
108 iface->device_config = true;
110 config = blob_memdup(b.head);
115 if (!interface_add_alias(iface, config))
116 goto error_free_config;
118 interface_add(iface, config);
129 config_parse_route(struct uci_section *s, bool v6)
133 blob_buf_init(&b, 0);
134 route = blobmsg_open_array(&b, "route");
135 uci_to_blob(&b, s, &route_attr_list);
136 blobmsg_close_array(&b, route);
137 interface_ip_add_route(NULL, blob_data(b.head), v6);
141 config_parse_rule(struct uci_section *s, bool v6)
145 blob_buf_init(&b, 0);
146 rule = blobmsg_open_array(&b, "rule");
147 uci_to_blob(&b, s, &rule_attr_list);
148 blobmsg_close_array(&b, rule);
149 iprule_add(blob_data(b.head), v6);
153 config_init_devices(void)
155 struct uci_element *e;
157 uci_foreach_element(&uci_network->sections, e) {
158 const struct uci_blob_param_list *params = NULL;
159 struct uci_section *s = uci_to_section(e);
160 const struct device_type *devtype = NULL;
162 const char *type, *name;
164 if (strcmp(s->type, "device") != 0)
167 name = uci_lookup_option_string(uci_ctx, s, "name");
171 type = uci_lookup_option_string(uci_ctx, s, "type");
173 if (!strcmp(type, "8021ad"))
174 devtype = &vlandev_device_type;
175 else if (!strcmp(type, "8021q"))
176 devtype = &vlandev_device_type;
177 else if (!strcmp(type, "bridge"))
178 devtype = &bridge_device_type;
179 else if (!strcmp(type, "macvlan"))
180 devtype = &macvlan_device_type;
181 else if (!strcmp(type, "tunnel"))
182 devtype = &tunnel_device_type;
186 params = devtype->config_params;
188 params = simple_device_type.config_params;
190 blob_buf_init(&b, 0);
191 uci_to_blob(&b, s, params);
193 dev = device_create(name, devtype, b.head);
197 dev = device_get(name, 1);
201 dev->current_config = true;
202 device_apply_config(dev, dev->type, b.head);
204 dev->default_config = false;
208 static struct uci_package *
209 config_init_package(const char *config)
211 struct uci_context *ctx = uci_ctx;
212 struct uci_package *p = NULL;
215 ctx = uci_alloc_context();
218 ctx->flags &= ~UCI_FLAG_STRICT;
220 uci_set_confdir(ctx, config_path);
223 uci_set_savedir(ctx, "./tmp");
226 p = uci_lookup_package(ctx, config);
231 if (uci_load(ctx, config, &p))
238 config_init_interfaces(void)
240 struct uci_element *e;
242 uci_foreach_element(&uci_network->sections, e) {
243 struct uci_section *s = uci_to_section(e);
245 if (!strcmp(s->type, "interface"))
246 config_parse_interface(s, false);
249 uci_foreach_element(&uci_network->sections, e) {
250 struct uci_section *s = uci_to_section(e);
252 if (!strcmp(s->type, "alias"))
253 config_parse_interface(s, true);
258 config_init_routes(void)
260 struct interface *iface;
261 struct uci_element *e;
263 vlist_for_each_element(&interfaces, iface, node)
264 interface_ip_update_start(&iface->config_ip);
266 uci_foreach_element(&uci_network->sections, e) {
267 struct uci_section *s = uci_to_section(e);
269 if (!strcmp(s->type, "route"))
270 config_parse_route(s, false);
271 else if (!strcmp(s->type, "route6"))
272 config_parse_route(s, true);
275 vlist_for_each_element(&interfaces, iface, node)
276 interface_ip_update_complete(&iface->config_ip);
280 config_init_rules(void)
282 struct uci_element *e;
284 iprule_update_start();
286 uci_foreach_element(&uci_network->sections, e) {
287 struct uci_section *s = uci_to_section(e);
289 if (!strcmp(s->type, "rule"))
290 config_parse_rule(s, false);
291 else if (!strcmp(s->type, "rule6"))
292 config_parse_rule(s, true);
295 iprule_update_complete();
299 config_init_globals(void)
301 struct uci_section *globals = uci_lookup_section(
302 uci_ctx, uci_network, "globals");
306 const char *ula_prefix = uci_lookup_option_string(
307 uci_ctx, globals, "ula_prefix");
308 interface_ip_set_ula_prefix(ula_prefix);
310 const char *default_ps = uci_lookup_option_string(
311 uci_ctx, globals, "default_ps");
314 device_set_default_ps(strcmp(default_ps, "1") ? false : true);
318 config_parse_wireless_device(struct uci_section *s)
320 struct wireless_driver *drv;
321 const char *driver_name;
323 driver_name = uci_lookup_option_string(uci_ctx, s, "type");
327 drv = avl_find_element(&wireless_drivers, driver_name, drv, node);
331 blob_buf_init(&b, 0);
332 uci_to_blob(&b, s, drv->device.config);
333 wireless_device_create(drv, s->e.name, b.head);
337 config_parse_wireless_interface(struct wireless_device *wdev, struct uci_section *s)
341 name = alloca(strlen(s->type) + 16);
342 sprintf(name, "@%s[%d]", s->type, config_section_idx(s));
344 blob_buf_init(&b, 0);
345 uci_to_blob(&b, s, wdev->drv->interface.config);
346 wireless_interface_create(wdev, b.head, s->anonymous ? name : s->e.name);
350 config_init_wireless(void)
352 struct wireless_device *wdev;
353 struct uci_element *e;
354 const char *dev_name;
357 DPRINTF("No wireless configuration found\n");
361 vlist_update(&wireless_devices);
363 uci_foreach_element(&uci_wireless->sections, e) {
364 struct uci_section *s = uci_to_section(e);
365 if (strcmp(s->type, "wifi-device") != 0)
368 config_parse_wireless_device(s);
371 vlist_flush(&wireless_devices);
373 vlist_for_each_element(&wireless_devices, wdev, node) {
375 vlist_update(&wdev->interfaces);
378 uci_foreach_element(&uci_wireless->sections, e) {
379 struct uci_section *s = uci_to_section(e);
381 if (strcmp(s->type, "wifi-iface") != 0)
384 dev_name = uci_lookup_option_string(uci_ctx, s, "device");
388 wdev = vlist_find(&wireless_devices, dev_name, wdev, node);
390 DPRINTF("device %s not found!\n", dev_name);
394 config_parse_wireless_interface(wdev, s);
397 vlist_for_each_element(&wireless_devices, wdev, node)
398 vlist_flush(&wdev->interfaces);
402 config_init_all(void)
404 uci_network = config_init_package("network");
406 fprintf(stderr, "Failed to load network config\n");
410 uci_wireless = config_init_package("wireless");
412 vlist_update(&interfaces);
416 device_reset_config();
417 config_init_devices();
418 config_init_interfaces();
419 config_init_routes();
421 config_init_globals();
422 config_init_wireless();
428 device_init_pending();
429 vlist_flush(&interfaces);
430 device_free_unused(NULL);
431 interface_refresh_assignments(false);
432 interface_start_pending();
433 wireless_start_pending();