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
);
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 wireless_interface_create(wdev
, b
.head
, s
->anonymous
? name
: s
->e
.name
);
355 config_init_wireless(void)
357 struct wireless_device
*wdev
;
358 struct uci_element
*e
;
359 const char *dev_name
;
362 DPRINTF("No wireless configuration found\n");
366 vlist_update(&wireless_devices
);
368 uci_foreach_element(&uci_wireless
->sections
, e
) {
369 struct uci_section
*s
= uci_to_section(e
);
370 if (strcmp(s
->type
, "wifi-device") != 0)
373 config_parse_wireless_device(s
);
376 vlist_flush(&wireless_devices
);
378 vlist_for_each_element(&wireless_devices
, wdev
, node
) {
380 vlist_update(&wdev
->interfaces
);
383 uci_foreach_element(&uci_wireless
->sections
, e
) {
384 struct uci_section
*s
= uci_to_section(e
);
386 if (strcmp(s
->type
, "wifi-iface") != 0)
389 dev_name
= uci_lookup_option_string(uci_ctx
, s
, "device");
393 wdev
= vlist_find(&wireless_devices
, dev_name
, wdev
, node
);
395 DPRINTF("device %s not found!\n", dev_name
);
399 config_parse_wireless_interface(wdev
, s
);
402 vlist_for_each_element(&wireless_devices
, wdev
, node
)
403 vlist_flush(&wdev
->interfaces
);
407 config_init_all(void)
412 uci_network
= config_init_package("network");
414 uci_get_errorstr(uci_ctx
, &err
, NULL
);
415 netifd_log_message(L_CRIT
, "Failed to load network config (%s)\n", err
);
420 uci_wireless
= config_init_package("wireless");
421 if (!uci_wireless
&& uci_ctx
->err
!= UCI_ERR_NOTFOUND
) {
422 uci_get_errorstr(uci_ctx
, &err
, NULL
);
423 netifd_log_message(L_CRIT
, "Failed to load wireless config (%s)\n", err
);
428 vlist_update(&interfaces
);
432 device_reset_config();
433 config_init_devices();
434 config_init_interfaces();
437 config_init_globals();
438 config_init_wireless();
444 device_init_pending();
445 vlist_flush(&interfaces
);
446 device_free_unused(NULL
);
447 interface_refresh_assignments(false);
448 interface_start_pending();
449 wireless_start_pending();