+/*
+ * 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 "config.h"
-struct uci_context *uci_ctx;
-static struct uci_package *uci_network;
bool config_init = false;
-static struct blob_buf b;
+static struct uci_context *uci_ctx;
+static struct uci_package *uci_network;
+static struct blob_buf b;
-static void uci_attr_to_blob(struct blob_buf *b, const char *str,
- const char *name, enum blobmsg_type type)
+static int
+config_parse_bridge_interface(struct uci_section *s)
{
- char *err;
- int intval;
-
- switch (type) {
- case BLOBMSG_TYPE_STRING:
- blobmsg_add_string(b, name, str);
- break;
- case BLOBMSG_TYPE_BOOL:
- if (!strcmp(str, "true") || !strcmp(str, "1"))
- intval = 1;
- else if (!strcmp(str, "false") || !strcmp(str, "0"))
- intval = 0;
- else
- return;
+ char *name;
- blobmsg_add_u8(b, name, intval);
- break;
- case BLOBMSG_TYPE_INT32:
- intval = strtol(str, &err, 0);
- if (*err)
- return;
+ name = alloca(strlen(s->e.name) + 4);
+ sprintf(name, "br-%s", s->e.name);
+ blobmsg_add_string(&b, "name", name);
- blobmsg_add_u32(b, name, intval);
- break;
- default:
- break;
+ 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 uci_array_to_blob(struct blob_buf *b, struct uci_option *o,
- enum blobmsg_type type)
+static void
+config_parse_interface(struct uci_section *s, bool alias)
{
- struct uci_element *e;
- char *str, *next, *word;
+ struct interface *iface;
+ const char *type = NULL;
+ struct blob_attr *config;
+ struct device *dev;
+ bool bridge = false;
- if (o->type == UCI_TYPE_LIST) {
- uci_foreach_element(&o->v.list, e) {
- uci_attr_to_blob(b, e->name, NULL, type);
- }
- return;
+ blob_buf_init(&b, 0);
+
+ if (!alias)
+ type = uci_lookup_option_string(uci_ctx, s, "type");
+ if (type && !strcmp(type, "bridge")) {
+ if (config_parse_bridge_interface(s))
+ return;
+
+ bridge = true;
}
- str = strdup(o->v.string);
- next = str;
+ uci_to_blob(&b, s, &interface_attr_list);
+ iface = calloc(1, sizeof(*iface));
+ if (!iface)
+ return;
- while ((word = strsep(&next, " \t")) != NULL) {
- if (!*word)
- continue;
+ interface_init(iface, s->e.name, b.head, false);
- uci_attr_to_blob(b, word, NULL, type);
- }
+ if (iface->proto_handler && iface->proto_handler->config_params)
+ uci_to_blob(&b, s, iface->proto_handler->config_params);
- free(str);
-}
+ if (!bridge && uci_to_blob(&b, s, simple_device_type.config_params))
+ iface->device_config = true;
-static void uci_to_blob(struct blob_buf *b, struct uci_section *s,
- const struct config_param_list *p)
-{
- const struct blobmsg_policy *attr;
- struct uci_element *e;
- struct uci_option *o;
- void *array;
- int i;
-
- uci_foreach_element(&s->options, e) {
- for (i = 0; i < p->n_params; i++) {
- attr = &p->params[i];
- if (!strcmp(attr->name, e->name))
- break;
- }
+ config = blob_memdup(b.head);
+ if (!config)
+ goto error;
- if (i == p->n_params)
- continue;
+ if (alias) {
+ if (!interface_add_alias(iface, config))
+ goto error_free_config;
+ } else {
+ interface_add(iface, config);
+ }
- o = uci_to_option(e);
+ /*
+ * 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;
- if (attr->type == BLOBMSG_TYPE_ARRAY) {
- if (!p->info)
- continue;
+ dev = iface->main_dev.dev;
+ if (!dev || !dev->default_config)
+ return;
- array = blobmsg_open_array(b, attr->name);
- uci_array_to_blob(b, o, p->info[i].type);
- blobmsg_close_array(b, array);
- continue;
- }
+ blob_buf_init(&b, 0);
+ uci_to_blob(&b, s, dev->type->config_params);
+ if (blob_len(b.head) == 0)
+ return;
- if (o->type == UCI_TYPE_LIST)
- continue;
+ device_set_config(dev, dev->type, b.head);
+ return;
+error_free_config:
+ free(config);
+error:
+ free(iface);
+}
- uci_attr_to_blob(b, o->v.string, attr->name, attr->type);
- }
+static void
+config_parse_route(struct uci_section *s, bool v6)
+{
+ 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_interface(struct uci_section *s)
+config_parse_rule(struct uci_section *s, bool v6)
{
- DPRINTF("Create interface '%s'\n", s->e.name);
+ void *rule;
blob_buf_init(&b, 0);
- uci_to_blob(&b, s, &interface_attr_list);
- alloc_interface(s->e.name, s, b.head);
+ 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);
}
-void
+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, "bridge"))
+ devtype = &bridge_device_type;
+ else if (!strcmp(type, "tunnel"))
+ devtype = &tunnel_device_type;
+ else if (!strcmp(type, "macvlan"))
+ devtype = &macvlan_device_type;
+ }
+
+ if (!devtype)
+ devtype = &simple_device_type;
+
blob_buf_init(&b, 0);
- uci_to_blob(&b, s, &device_attr_list);
- device_create(b.head, s);
+ uci_to_blob(&b, s, devtype->config_params);
+ device_create(name, devtype, b.head);
}
}
-void
-config_init_interfaces(const char *name)
+static struct uci_package *
+config_init_package(const char *config)
{
- struct uci_context *ctx;
+ struct uci_context *ctx = uci_ctx;
struct uci_package *p = NULL;
+
+ if (!ctx) {
+ ctx = uci_alloc_context();
+ uci_ctx = ctx;
+
+#ifdef DUMMY_MODE
+ uci_set_confdir(ctx, "./config");
+ 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);
+
+ if (!strcmp(s->type, "interface"))
+ config_parse_interface(s, false);
+ }
- uci_set_confdir(ctx, "./config");
+ uci_foreach_element(&uci_network->sections, e) {
+ struct uci_section *s = uci_to_section(e);
- if (uci_load(ctx, "network", &p)) {
- fprintf(stderr, "Failed to load network config\n");
- return;
+ if (!strcmp(s->type, "alias"))
+ config_parse_interface(s, true);
}
+}
- uci_network = p;
- config_init = true;
+static void
+config_init_routes(void)
+{
+ struct interface *iface;
+ struct uci_element *e;
- config_init_devices();
+ vlist_for_each_element(&interfaces, iface, node)
+ interface_ip_update_start(&iface->config_ip);
- uci_foreach_element(&p->sections, e) {
+ uci_foreach_element(&uci_network->sections, e) {
struct uci_section *s = uci_to_section(e);
- if (name && strcmp(s->e.name, name) != 0)
- continue;
+ if (!strcmp(s->type, "route"))
+ config_parse_route(s, false);
+ else if (!strcmp(s->type, "route6"))
+ config_parse_route(s, true);
+ }
- if (!strcmp(s->type, "interface"))
- config_parse_interface(s);
+ 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);
}
- device_free_all();
- config_init = false;
- start_pending_interfaces();
+ 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);
+}
+
+void
+config_init_all(void)
+{
+ uci_network = config_init_package("network");
+ if (!uci_network) {
+ fprintf(stderr, "Failed to load network config\n");
+ return;
+ }
+
+ 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 = false;
+ device_unlock();
+
+ device_reset_old();
+ device_init_pending();
+ vlist_flush(&interfaces);
+ device_free_unused(NULL);
+ interface_refresh_assignments(false);
+ interface_start_pending();
}
projects / project / netifd.git / blobdiff