+/*
+ * netifd - network interface daemon
+ * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
+#include <uci.h>
+
#include "netifd.h"
#include "interface.h"
+#include "interface-ip.h"
+#include "iprule.h"
+#include "proto.h"
+#include "wireless.h"
+#include "config.h"
-struct uci_context *uci_ctx;
bool config_init = false;
-static void config_parse_interface(struct uci_section *s)
+static struct uci_context *uci_ctx;
+static struct uci_package *uci_network;
+static struct uci_package *uci_wireless;
+static struct blob_buf b;
+
+static int
+config_section_idx(struct uci_section *s)
+{
+ struct uci_element *e;
+ int idx = 0;
+
+ uci_foreach_element(&uci_wireless->sections, e) {
+ struct uci_section *cur = uci_to_section(e);
+
+ if (s == cur)
+ return idx;
+
+ if (!strcmp(cur->type, s->type))
+ idx++;
+ }
+
+ return -1;
+}
+
+static int
+config_parse_bridge_interface(struct uci_section *s)
+{
+ char *name;
+
+ name = alloca(strlen(s->e.name) + 4);
+ sprintf(name, "br-%s", s->e.name);
+ blobmsg_add_string(&b, "name", name);
+
+ uci_to_blob(&b, s, bridge_device_type.config_params);
+ if (!device_create(name, &bridge_device_type, b.head)) {
+ D(INTERFACE, "Failed to create bridge for interface '%s'\n", s->e.name);
+ return -EINVAL;
+ }
+
+ blob_buf_init(&b, 0);
+ blobmsg_add_string(&b, "ifname", name);
+ return 0;
+}
+
+static void
+config_parse_interface(struct uci_section *s, bool alias)
{
struct interface *iface;
- const char *type;
+ const char *type = NULL, *disabled;
+ struct blob_attr *config;
+ struct device *dev;
+ bool bridge = false;
- DPRINTF("Create interface '%s'\n", s->e.name);
+ disabled = uci_lookup_option_string(uci_ctx, s, "disabled");
+ if (disabled && !strcmp(disabled, "1"))
+ return;
- iface = alloc_interface(s->e.name);
- type = uci_lookup_option_string(uci_ctx, s, "type");
+ blob_buf_init(&b, 0);
- if (!type)
- type = "";
+ if (!alias)
+ type = uci_lookup_option_string(uci_ctx, s, "type");
+ if (type && !strcmp(type, "bridge")) {
+ if (config_parse_bridge_interface(s))
+ return;
- if (!strcmp(type, "bridge"))
- interface_attach_bridge(iface, s);
+ bridge = true;
+ }
+
+ uci_to_blob(&b, s, &interface_attr_list);
+
+ iface = interface_alloc(s->e.name, b.head);
+ if (!iface)
+ return;
+
+ if (iface->proto_handler && iface->proto_handler->config_params)
+ uci_to_blob(&b, s, iface->proto_handler->config_params);
+
+ if (!bridge && uci_to_blob(&b, s, simple_device_type.config_params))
+ iface->device_config = true;
+
+ config = blob_memdup(b.head);
+ if (!config)
+ goto error;
+
+ if (alias) {
+ if (!interface_add_alias(iface, config))
+ goto error_free_config;
+ } else {
+ interface_add(iface, config);
+ }
+
+ /*
+ * need to look up the interface name again, in case of config update,
+ * the pointer will have changed
+ */
+ iface = vlist_find(&interfaces, s->e.name, iface, node);
+ if (!iface)
+ return;
+
+ dev = iface->main_dev.dev;
+ if (!dev || !dev->default_config)
+ return;
+
+ blob_buf_init(&b, 0);
+ uci_to_blob(&b, s, dev->type->config_params);
+ if (blob_len(b.head) == 0)
+ return;
+
+ device_set_config(dev, dev->type, b.head);
+ return;
+error_free_config:
+ free(config);
+error:
+ free(iface);
}
-void config_init_interfaces(const char *name)
+static void
+config_parse_route(struct uci_section *s, bool v6)
{
- struct uci_context *ctx;
+ void *route;
+
+ blob_buf_init(&b, 0);
+ route = blobmsg_open_array(&b, "route");
+ uci_to_blob(&b, s, &route_attr_list);
+ blobmsg_close_array(&b, route);
+ interface_ip_add_route(NULL, blob_data(b.head), v6);
+}
+
+static void
+config_parse_rule(struct uci_section *s, bool v6)
+{
+ void *rule;
+
+ blob_buf_init(&b, 0);
+ rule = blobmsg_open_array(&b, "rule");
+ uci_to_blob(&b, s, &rule_attr_list);
+ blobmsg_close_array(&b, rule);
+ iprule_add(blob_data(b.head), v6);
+}
+
+static void
+config_init_devices(void)
+{
+ struct uci_element *e;
+
+ uci_foreach_element(&uci_network->sections, e) {
+ struct uci_section *s = uci_to_section(e);
+ const struct device_type *devtype = NULL;
+ const char *type, *name;
+
+ if (strcmp(s->type, "device") != 0)
+ continue;
+
+ name = uci_lookup_option_string(uci_ctx, s, "name");
+ if (!name)
+ continue;
+
+ type = uci_lookup_option_string(uci_ctx, s, "type");
+ if (type) {
+ if (!strcmp(type, "8021ad"))
+ devtype = &vlandev_device_type;
+ else if (!strcmp(type, "8021q"))
+ devtype = &vlandev_device_type;
+ else if (!strcmp(type, "bridge"))
+ devtype = &bridge_device_type;
+ else if (!strcmp(type, "macvlan"))
+ devtype = &macvlan_device_type;
+ else if (!strcmp(type, "tunnel"))
+ devtype = &tunnel_device_type;
+ }
+
+ if (!devtype)
+ devtype = &simple_device_type;
+
+ blob_buf_init(&b, 0);
+ uci_to_blob(&b, s, devtype->config_params);
+ device_create(name, devtype, b.head);
+ }
+}
+
+static struct uci_package *
+config_init_package(const char *config)
+{
+ struct uci_context *ctx = uci_ctx;
struct uci_package *p = NULL;
+
+ if (!ctx) {
+ ctx = uci_alloc_context();
+ uci_ctx = ctx;
+
+ ctx->flags &= ~UCI_FLAG_STRICT;
+ if (config_path)
+ uci_set_confdir(ctx, config_path);
+
+#ifdef DUMMY_MODE
+ uci_set_savedir(ctx, "./tmp");
+#endif
+ } else {
+ p = uci_lookup_package(ctx, config);
+ if (p)
+ uci_unload(ctx, p);
+ }
+
+ if (uci_load(ctx, config, &p))
+ return NULL;
+
+ return p;
+}
+
+static void
+config_init_interfaces(void)
+{
struct uci_element *e;
- ctx = uci_alloc_context();
- uci_ctx = ctx;
+ uci_foreach_element(&uci_network->sections, e) {
+ struct uci_section *s = uci_to_section(e);
- uci_set_confdir(ctx, "./config");
+ if (!strcmp(s->type, "interface"))
+ config_parse_interface(s, false);
+ }
- if (uci_load(ctx, "network", &p)) {
- fprintf(stderr, "Failed to load network config\n");
+ uci_foreach_element(&uci_network->sections, e) {
+ struct uci_section *s = uci_to_section(e);
+
+ if (!strcmp(s->type, "alias"))
+ config_parse_interface(s, true);
+ }
+}
+
+static void
+config_init_routes(void)
+{
+ struct interface *iface;
+ struct uci_element *e;
+
+ vlist_for_each_element(&interfaces, iface, node)
+ interface_ip_update_start(&iface->config_ip);
+
+ uci_foreach_element(&uci_network->sections, e) {
+ struct uci_section *s = uci_to_section(e);
+
+ if (!strcmp(s->type, "route"))
+ config_parse_route(s, false);
+ else if (!strcmp(s->type, "route6"))
+ config_parse_route(s, true);
+ }
+
+ vlist_for_each_element(&interfaces, iface, node)
+ interface_ip_update_complete(&iface->config_ip);
+}
+
+static void
+config_init_rules(void)
+{
+ struct uci_element *e;
+
+ iprule_update_start();
+
+ uci_foreach_element(&uci_network->sections, e) {
+ struct uci_section *s = uci_to_section(e);
+
+ if (!strcmp(s->type, "rule"))
+ config_parse_rule(s, false);
+ else if (!strcmp(s->type, "rule6"))
+ config_parse_rule(s, true);
+ }
+
+ iprule_update_complete();
+}
+
+static void
+config_init_globals(void)
+{
+ struct uci_section *globals = uci_lookup_section(
+ uci_ctx, uci_network, "globals");
+ if (!globals)
+ return;
+
+ const char *ula_prefix = uci_lookup_option_string(
+ uci_ctx, globals, "ula_prefix");
+ interface_ip_set_ula_prefix(ula_prefix);
+}
+
+static void
+config_parse_wireless_device(struct uci_section *s)
+{
+ struct wireless_driver *drv;
+ const char *driver_name;
+
+ driver_name = uci_lookup_option_string(uci_ctx, s, "type");
+ if (!driver_name)
+ return;
+
+ drv = avl_find_element(&wireless_drivers, driver_name, drv, node);
+ if (!drv)
+ return;
+
+ blob_buf_init(&b, 0);
+ uci_to_blob(&b, s, drv->device.config);
+ wireless_device_create(drv, s->e.name, b.head);
+}
+
+static void
+config_parse_wireless_interface(struct wireless_device *wdev, struct uci_section *s)
+{
+ char *name = NULL;
+
+ if (s->anonymous) {
+ name = alloca(strlen(s->type) + 16);
+ asprintf(&name, "@%s[%d]", s->type, config_section_idx(s));
+ }
+
+ blob_buf_init(&b, 0);
+ uci_to_blob(&b, s, wdev->drv->interface.config);
+ wireless_interface_create(wdev, b.head, name ? name : s->e.name);
+}
+
+static void
+config_init_wireless(void)
+{
+ struct wireless_device *wdev;
+ struct uci_element *e;
+ const char *dev_name;
+
+ if (!uci_wireless) {
+ DPRINTF("No wireless configuration found\n");
return;
}
- config_init = true;
- uci_foreach_element(&p->sections, e) {
+ vlist_update(&wireless_devices);
+
+ uci_foreach_element(&uci_wireless->sections, e) {
+ struct uci_section *s = uci_to_section(e);
+ if (strcmp(s->type, "wifi-device") != 0)
+ continue;
+
+ config_parse_wireless_device(s);
+ }
+
+ vlist_flush(&wireless_devices);
+
+ vlist_for_each_element(&wireless_devices, wdev, node) {
+ wdev->vif_idx = 0;
+ vlist_update(&wdev->interfaces);
+ }
+
+ uci_foreach_element(&uci_wireless->sections, e) {
struct uci_section *s = uci_to_section(e);
- if (name && strcmp(s->e.name, name) != 0)
+ if (strcmp(s->type, "wifi-iface") != 0)
continue;
- if (!strcmp(s->type, "interface"))
- config_parse_interface(s);
+ dev_name = uci_lookup_option_string(uci_ctx, s, "device");
+ if (!dev_name)
+ continue;
+
+ wdev = vlist_find(&wireless_devices, dev_name, wdev, node);
+ if (!wdev) {
+ DPRINTF("device %s not found!\n", dev_name);
+ continue;
+ }
+
+ config_parse_wireless_interface(wdev, s);
+ }
+
+ vlist_for_each_element(&wireless_devices, wdev, node)
+ vlist_flush(&wdev->interfaces);
+}
+
+void
+config_init_all(void)
+{
+ uci_network = config_init_package("network");
+ if (!uci_network) {
+ fprintf(stderr, "Failed to load network config\n");
+ return;
}
+
+ uci_wireless = config_init_package("wireless");
+
+ vlist_update(&interfaces);
+ config_init = true;
+ device_lock();
+
+ device_reset_config();
+ config_init_devices();
+ config_init_interfaces();
+ config_init_routes();
+ config_init_rules();
+ config_init_globals();
+ config_init_wireless();
+
config_init = false;
+ device_unlock();
- start_pending_interfaces();
+ device_reset_old();
+ device_init_pending();
+ vlist_flush(&interfaces);
+ device_free_unused(NULL);
+ interface_refresh_assignments(false);
+ interface_start_pending();
+ wireless_start_pending();
}
projects / project / netifd.git / blobdiff