#include <stdlib.h>
#include <stdio.h>
+#include <uci.h>
+
#include "netifd.h"
#include "interface.h"
+#include "proto.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 blob_buf b;
+
+static void uci_attr_to_blob(struct blob_buf *b, const char *str,
+ const char *name, enum blobmsg_type type)
+{
+ 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;
+
+ blobmsg_add_u8(b, name, intval);
+ break;
+ case BLOBMSG_TYPE_INT32:
+ intval = strtol(str, &err, 0);
+ if (*err)
+ return;
+
+ blobmsg_add_u32(b, name, intval);
+ break;
+ default:
+ break;
+ }
+}
+
+static void uci_array_to_blob(struct blob_buf *b, struct uci_option *o,
+ enum blobmsg_type type)
+{
+ struct uci_element *e;
+ char *str, *next, *word;
+
+ if (o->type == UCI_TYPE_LIST) {
+ uci_foreach_element(&o->v.list, e) {
+ uci_attr_to_blob(b, e->name, NULL, type);
+ }
+ return;
+ }
+
+ str = strdup(o->v.string);
+ next = str;
+
+ while ((word = strsep(&next, " \t")) != NULL) {
+ if (!*word)
+ continue;
+
+ uci_attr_to_blob(b, word, NULL, type);
+ }
+
+ free(str);
+}
+
+static void __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;
+
+ 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;
+ }
+
+ if (i == p->n_params)
+ continue;
+
+ o = uci_to_option(e);
+
+ if (attr->type == BLOBMSG_TYPE_ARRAY) {
+ if (!p->info)
+ continue;
+
+ array = blobmsg_open_array(b, attr->name);
+ uci_array_to_blob(b, o, p->info[i].type);
+ blobmsg_close_array(b, array);
+ continue;
+ }
+
+ if (o->type == UCI_TYPE_LIST)
+ continue;
+
+ uci_attr_to_blob(b, o->v.string, attr->name, attr->type);
+ }
+}
+
+static void uci_to_blob(struct blob_buf *b, struct uci_section *s,
+ const struct config_param_list *p)
+{
+ int i;
+
+ __uci_to_blob(b, s, p);
+ for (i = 0; i < p->n_next; i++)
+ uci_to_blob(b, s, p->next[i]);
+}
+
+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)
{
struct interface *iface;
const char *type;
+ struct blob_attr *config;
- DPRINTF("Create interface '%s'\n", s->e.name);
+ blob_buf_init(&b, 0);
- iface = alloc_interface(s->e.name);
type = uci_lookup_option_string(uci_ctx, s, "type");
+ if (type && !strcmp(type, "bridge"))
+ if (config_parse_bridge_interface(s))
+ return;
- if (!type)
- type = "";
+ uci_to_blob(&b, s, &interface_attr_list);
+ iface = calloc(1, sizeof(*iface));
+ if (!iface)
+ return;
- if (!strcmp(type, "bridge"))
- interface_attach_bridge(iface, s);
+ interface_init(iface, s->e.name, b.head);
+
+ if (iface->proto_handler && iface->proto_handler->config_params)
+ uci_to_blob(&b, s, iface->proto_handler->config_params);
+
+ config = malloc(blob_pad_len(b.head));
+ if (!config) {
+ free(iface);
+ return;
+ }
+
+ memcpy(config, b.head, blob_pad_len(b.head));
+ interface_add(iface, config);
}
-void config_init_interfaces(const char *name)
+static void
+config_init_devices(void)
{
- struct uci_context *ctx;
- struct uci_package *p = NULL;
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);
+ const struct device_type *devtype;
+ 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 && !strcmp(type, "bridge"))
+ devtype = &bridge_device_type;
+ else
+ devtype = &simple_device_type;
+
+ blob_buf_init(&b, 0);
+ uci_to_blob(&b, s, devtype->config_params);
+ device_create(name, devtype, b.head);
+ }
+}
+
+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;
+
+ 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 blob_attr *ret;
+ int size = blob_pad_len(attr);
- uci_set_confdir(ctx, "./config");
+ ret = malloc(size);
+ if (!ret)
+ return NULL;
- if (uci_load(ctx, "network", &p)) {
+ 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;
+
+ 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, "network", &p))
+ return NULL;
+
+ return p;
+}
+
+void
+config_init_interfaces(const char *name)
+{
+ struct uci_package *p = NULL;
+ struct uci_element *e;
+
+ p = config_init_package("network");
+ if (!p) {
fprintf(stderr, "Failed to load network config\n");
return;
}
+ uci_network = p;
config_init = true;
+
+ device_reset_config();
+ config_init_devices();
+
uci_foreach_element(&p->sections, e) {
struct uci_section *s = uci_to_section(e);
}
config_init = false;
- start_pending_interfaces();
+ device_reset_old();
+ device_init_pending();
+ device_free_unused(NULL);
+ interface_start_pending();
}