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.
21 #include "interface.h"
22 #include "interface-ip.h"
27 bool config_init = false;
29 static struct uci_context *uci_ctx;
30 static struct uci_package *uci_network;
31 static struct blob_buf b;
34 config_parse_bridge_interface(struct uci_section *s)
38 name = alloca(strlen(s->e.name) + 4);
39 sprintf(name, "br-%s", s->e.name);
40 blobmsg_add_string(&b, "name", name);
42 uci_to_blob(&b, s, bridge_device_type.config_params);
43 if (!device_create(name, &bridge_device_type, b.head)) {
44 D(INTERFACE, "Failed to create bridge for interface '%s'\n", s->e.name);
49 blobmsg_add_string(&b, "ifname", name);
54 config_parse_interface(struct uci_section *s, bool alias)
56 struct interface *iface;
57 const char *type = NULL;
58 struct blob_attr *config;
65 type = uci_lookup_option_string(uci_ctx, s, "type");
66 if (type && !strcmp(type, "bridge")) {
67 if (config_parse_bridge_interface(s))
73 uci_to_blob(&b, s, &interface_attr_list);
74 iface = calloc(1, sizeof(*iface));
78 interface_init(iface, s->e.name, b.head);
80 if (iface->proto_handler && iface->proto_handler->config_params)
81 uci_to_blob(&b, s, iface->proto_handler->config_params);
83 if (!bridge && uci_to_blob(&b, s, simple_device_type.config_params))
84 iface->device_config = true;
86 config = blob_memdup(b.head);
91 if (!interface_add_alias(iface, config))
92 goto error_free_config;
94 interface_add(iface, config);
98 * need to look up the interface name again, in case of config update,
99 * the pointer will have changed
101 iface = vlist_find(&interfaces, s->e.name, iface, node);
105 dev = iface->main_dev.dev;
106 if (!dev || !dev->default_config)
109 blob_buf_init(&b, 0);
110 uci_to_blob(&b, s, dev->type->config_params);
111 if (blob_len(b.head) == 0)
114 device_set_config(dev, dev->type, b.head);
123 config_parse_route(struct uci_section *s, bool v6)
127 blob_buf_init(&b, 0);
128 route = blobmsg_open_array(&b, "route");
129 uci_to_blob(&b, s, &route_attr_list);
130 blobmsg_close_array(&b, route);
131 interface_ip_add_route(NULL, blob_data(b.head), v6);
135 config_parse_rule(struct uci_section *s, bool v6)
139 blob_buf_init(&b, 0);
140 rule = blobmsg_open_array(&b, "rule");
141 uci_to_blob(&b, s, &rule_attr_list);
142 blobmsg_close_array(&b, rule);
143 iprule_add(blob_data(b.head), v6);
147 config_init_devices(void)
149 struct uci_element *e;
151 uci_foreach_element(&uci_network->sections, e) {
152 struct uci_section *s = uci_to_section(e);
153 const struct device_type *devtype = NULL;
154 const char *type, *name;
156 if (strcmp(s->type, "device") != 0)
159 name = uci_lookup_option_string(uci_ctx, s, "name");
163 type = uci_lookup_option_string(uci_ctx, s, "type");
165 if (!strcmp(type, "bridge"))
166 devtype = &bridge_device_type;
167 else if (!strcmp(type, "tunnel"))
168 devtype = &tunnel_device_type;
172 devtype = &simple_device_type;
174 blob_buf_init(&b, 0);
175 uci_to_blob(&b, s, devtype->config_params);
176 device_create(name, devtype, b.head);
180 static struct uci_package *
181 config_init_package(const char *config)
183 struct uci_context *ctx = uci_ctx;
184 struct uci_package *p = NULL;
187 ctx = uci_alloc_context();
191 uci_set_confdir(ctx, "./config");
192 uci_set_savedir(ctx, "./tmp");
195 p = uci_lookup_package(ctx, config);
200 if (uci_load(ctx, config, &p))
207 config_init_interfaces(void)
209 struct uci_element *e;
211 uci_foreach_element(&uci_network->sections, e) {
212 struct uci_section *s = uci_to_section(e);
214 if (!strcmp(s->type, "interface"))
215 config_parse_interface(s, false);
218 uci_foreach_element(&uci_network->sections, e) {
219 struct uci_section *s = uci_to_section(e);
221 if (!strcmp(s->type, "alias"))
222 config_parse_interface(s, true);
227 config_init_routes(void)
229 struct interface *iface;
230 struct uci_element *e;
232 vlist_for_each_element(&interfaces, iface, node)
233 interface_ip_update_start(&iface->config_ip);
235 uci_foreach_element(&uci_network->sections, e) {
236 struct uci_section *s = uci_to_section(e);
238 if (!strcmp(s->type, "route"))
239 config_parse_route(s, false);
240 else if (!strcmp(s->type, "route6"))
241 config_parse_route(s, true);
244 vlist_for_each_element(&interfaces, iface, node)
245 interface_ip_update_complete(&iface->config_ip);
249 config_init_rules(void)
251 struct uci_element *e;
253 iprule_update_start();
255 uci_foreach_element(&uci_network->sections, e) {
256 struct uci_section *s = uci_to_section(e);
258 if (!strcmp(s->type, "rule"))
259 config_parse_rule(s, false);
260 else if (!strcmp(s->type, "rule6"))
261 config_parse_rule(s, true);
264 iprule_update_complete();
268 config_init_globals(void)
270 struct uci_section *globals = uci_lookup_section(
271 uci_ctx, uci_network, "globals");
275 const char *ula_prefix = uci_lookup_option_string(
276 uci_ctx, globals, "ula_prefix");
277 interface_ip_set_ula_prefix(ula_prefix);
281 config_init_all(void)
283 uci_network = config_init_package("network");
285 fprintf(stderr, "Failed to load network config\n");
289 vlist_update(&interfaces);
293 device_reset_config();
294 config_init_devices();
295 config_init_interfaces();
296 config_init_routes();
298 config_init_globals();
304 device_init_pending();
305 vlist_flush(&interfaces);
306 device_free_unused(NULL);
307 interface_refresh_assignments(false);
308 interface_start_pending();