+/*
+ * 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 "netifd.h"
#include "interface.h"
+#include "interface-ip.h"
+#include "iprule.h"
#include "proto.h"
#include "config.h"
static struct uci_package *uci_network;
static struct blob_buf b;
-static void uci_attr_to_blob(struct blob_buf *b, const char *str,
+static bool uci_attr_to_blob(struct blob_buf *b, const char *str,
const char *name, enum blobmsg_type type)
{
char *err;
else if (!strcmp(str, "false") || !strcmp(str, "0"))
intval = 0;
else
- return;
+ return false;
blobmsg_add_u8(b, name, intval);
break;
case BLOBMSG_TYPE_INT32:
intval = strtol(str, &err, 0);
if (*err)
- return;
+ return false;
blobmsg_add_u32(b, name, intval);
break;
default:
- break;
+ return false;
}
+ return true;
}
static void uci_array_to_blob(struct blob_buf *b, struct uci_option *o,
free(str);
}
-static void __uci_to_blob(struct blob_buf *b, struct uci_section *s,
- const struct config_param_list *p)
+static int __uci_to_blob(struct blob_buf *b, struct uci_section *s,
+ const struct config_param_list *p)
{
const struct blobmsg_policy *attr = NULL;
struct uci_element *e;
struct uci_option *o;
void *array;
- int i;
+ int i, ret = 0;
uci_foreach_element(&s->options, e) {
for (i = 0; i < p->n_params; i++) {
array = blobmsg_open_array(b, attr->name);
uci_array_to_blob(b, o, p->info[i].type);
blobmsg_close_array(b, array);
+ ret++;
continue;
}
if (o->type == UCI_TYPE_LIST)
continue;
- uci_attr_to_blob(b, o->v.string, attr->name, attr->type);
+ ret += uci_attr_to_blob(b, o->v.string, attr->name, attr->type);
}
+
+ return ret;
}
-static void uci_to_blob(struct blob_buf *b, struct uci_section *s,
- const struct config_param_list *p)
+static int uci_to_blob(struct blob_buf *b, struct uci_section *s,
+ const struct config_param_list *p)
{
+ int ret = 0;
int i;
- __uci_to_blob(b, s, p);
+ ret += __uci_to_blob(b, s, p);
for (i = 0; i < p->n_next; i++)
- uci_to_blob(b, s, p->next[i]);
+ ret += uci_to_blob(b, s, p->next[i]);
+
+ return ret;
}
static int
uci_to_blob(&b, s, bridge_device_type.config_params);
if (!device_create(name, &bridge_device_type, b.head)) {
- DPRINTF("Failed to create bridge for interface '%s'\n", s->e.name);
+ D(INTERFACE, "Failed to create bridge for interface '%s'\n", s->e.name);
return -EINVAL;
}
}
static void
-config_parse_interface(struct uci_section *s)
+config_parse_interface(struct uci_section *s, bool alias)
{
struct interface *iface;
- const char *type;
+ const char *type = NULL;
struct blob_attr *config;
-
- DPRINTF("Create interface '%s'\n", s->e.name);
+ struct device *dev;
+ bool bridge = false;
blob_buf_init(&b, 0);
- type = uci_lookup_option_string(uci_ctx, s, "type");
- if (type && !strcmp(type, "bridge"))
+ 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;
+ }
+
uci_to_blob(&b, s, &interface_attr_list);
iface = calloc(1, sizeof(*iface));
if (!iface)
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 = malloc(blob_pad_len(b.head));
- if (!config) {
- free(iface);
- return;
- }
+ if (!config)
+ goto error;
memcpy(config, b.head, blob_pad_len(b.head));
- interface_add(iface, config);
+
+ 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);
+}
+
+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_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
uci_foreach_element(&uci_network->sections, e) {
struct uci_section *s = uci_to_section(e);
- const struct device_type *devtype;
+ const struct device_type *devtype = NULL;
const char *type, *name;
if (strcmp(s->type, "device") != 0)
continue;
type = uci_lookup_option_string(uci_ctx, s, "type");
- if (type && !strcmp(type, "bridge"))
- devtype = &bridge_device_type;
- else
+ if (type) {
+ if (!strcmp(type, "bridge"))
+ devtype = &bridge_device_type;
+ else if (!strcmp(type, "tunnel"))
+ devtype = &tunnel_device_type;
+ }
+
+ if (!devtype)
devtype = &simple_device_type;
blob_buf_init(&b, 0);
}
}
-void
-config_init_interfaces(const char *name)
+bool
+config_diff(struct blob_attr **tb1, struct blob_attr **tb2,
+ const struct config_param_list *config, unsigned long *diff)
+{
+ bool ret = false;
+ int i;
+
+ for (i = 0; i < config->n_params; i++) {
+ if (!tb1[i] && !tb2[i])
+ continue;
+
+ if (!!tb1[i] != !!tb2[i])
+ goto mark;
+
+ if (blob_len(tb1[i]) != blob_len(tb2[i]))
+ goto mark;
+
+ if (memcmp(tb1[i], tb2[i], blob_raw_len(tb1[i])) != 0)
+ goto mark;
+
+ continue;
+
+mark:
+ ret = true;
+ if (diff)
+ set_bit(diff, i);
+ else
+ return ret;
+ }
+
+ return ret;
+}
+
+
+static bool
+__config_check_equal(struct blob_attr *c1, struct blob_attr *c2,
+ const struct config_param_list *config)
+{
+ struct blob_attr **tb1, **tb2;
+
+ if (!!c1 ^ !!c2)
+ return false;
+
+ if (!c1 && !c2)
+ return true;
+
+ tb1 = alloca(config->n_params * sizeof(struct blob_attr *));
+ blobmsg_parse(config->params, config->n_params, tb1,
+ blob_data(c1), blob_len(c1));
+
+ tb2 = alloca(config->n_params * sizeof(struct blob_attr *));
+ blobmsg_parse(config->params, config->n_params, tb2,
+ blob_data(c2), blob_len(c2));
+
+ return !config_diff(tb1, tb2, config, NULL);
+}
+
+bool
+config_check_equal(struct blob_attr *c1, struct blob_attr *c2,
+ const struct config_param_list *config)
+{
+ int i;
+
+ if (!__config_check_equal(c1, c2, config))
+ return false;
+
+ for (i = 0; i < config->n_next; i++) {
+ if (!__config_check_equal(c1, c2, config->next[i]))
+ return false;
+ }
+
+ return true;
+}
+
+struct blob_attr *
+config_memdup(struct blob_attr *attr)
{
- struct uci_context *ctx;
+ struct blob_attr *ret;
+ int size = blob_pad_len(attr);
+
+ ret = malloc(size);
+ if (!ret)
+ return NULL;
+
+ memcpy(ret, attr, size);
+ return ret;
+}
+
+static struct uci_package *
+config_init_package(const char *config)
+{
+ struct uci_context *ctx = uci_ctx;
struct uci_package *p = NULL;
- struct uci_element *e;
- ctx = uci_alloc_context();
- uci_ctx = ctx;
+ if (!ctx) {
+ ctx = uci_alloc_context();
+ uci_ctx = ctx;
#ifdef DUMMY_MODE
- uci_set_confdir(ctx, "./config");
- uci_set_savedir(ctx, "./tmp");
+ 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, "network", &p)) {
- fprintf(stderr, "Failed to load network config\n");
- return;
+ if (uci_load(ctx, config, &p))
+ return NULL;
+
+ return p;
+}
+
+static void
+config_init_interfaces(void)
+{
+ struct uci_element *e;
+
+ 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_network = p;
- config_init = true;
+ uci_foreach_element(&uci_network->sections, e) {
+ struct uci_section *s = uci_to_section(e);
- config_init_devices();
+ if (!strcmp(s->type, "alias"))
+ config_parse_interface(s, true);
+ }
+}
+
+static void
+config_init_routes(void)
+{
+ struct interface *iface;
+ struct uci_element *e;
- uci_foreach_element(&p->sections, 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 (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_unused(NULL);
+
+ 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