+ route = calloc(1, sizeof(*route));
+ if (!route)
+ return;
+
+ route->mask = v6 ? 128 : 32;
+ if ((cur = tb[ROUTE_MASK]) != NULL) {
+ route->mask = blobmsg_get_u32(cur);
+ if (route->mask > v6 ? 128 : 32)
+ goto error;
+ }
+
+ if ((cur = tb[ROUTE_TARGET]) != NULL) {
+ if (!inet_pton(af, blobmsg_data(cur), &route->addr)) {
+ DPRINTF("Failed to parse route target: %s\n", (char *) blobmsg_data(cur));
+ goto error;
+ }
+ }
+
+ if ((cur = tb[ROUTE_GATEWAY]) != NULL) {
+ if (!inet_pton(af, blobmsg_data(cur), &route->nexthop)) {
+ DPRINTF("Failed to parse route gateway: %s\n", (char *) blobmsg_data(cur));
+ goto error;
+ }
+ }
+
+ if ((cur = tb[ROUTE_DEVICE]) != NULL)
+ route->device = device_get(blobmsg_data(cur), true);
+
+ vlist_add(&iface->proto_route, &route->node);
+ return;
+
+error:
+ free(route);
+}
+
+static void
+proto_shell_parse_route_list(struct interface *iface, struct blob_attr *attr,
+ bool v6)
+{
+ struct blob_attr *cur;
+ int rem;
+
+ blobmsg_for_each_attr(cur, attr, rem) {
+ if (blobmsg_type(cur) != BLOBMSG_TYPE_TABLE) {
+ DPRINTF("Ignore wrong route type: %d\n", blobmsg_type(cur));
+ continue;
+ }
+
+ parse_route(iface, cur, v6);
+ }
+}
+
+
+enum {
+ NOTIFY_LINK_UP,
+ NOTIFY_IFNAME,
+ NOTIFY_ADDR_EXT,
+ NOTIFY_IPADDR,
+ NOTIFY_IP6ADDR,
+ NOTIFY_ROUTES,
+ NOTIFY_ROUTES6,
+ __NOTIFY_LAST
+};
+
+static const struct blobmsg_policy notify_attr[__NOTIFY_LAST] = {
+ [NOTIFY_LINK_UP] = { .name = "link-up", .type = BLOBMSG_TYPE_BOOL },
+ [NOTIFY_IFNAME] = { .name = "ifname", .type = BLOBMSG_TYPE_STRING },
+ [NOTIFY_ADDR_EXT] = { .name = "address-external", .type = BLOBMSG_TYPE_BOOL },
+ [NOTIFY_IPADDR] = { .name = "ipaddr", .type = BLOBMSG_TYPE_ARRAY },
+ [NOTIFY_IP6ADDR] = { .name = "ip6addr", .type = BLOBMSG_TYPE_ARRAY },
+ [NOTIFY_ROUTES] = { .name = "routes", .type = BLOBMSG_TYPE_ARRAY },
+ [NOTIFY_ROUTES6] = { .name = "routes6", .type = BLOBMSG_TYPE_ARRAY },
+};
+
+static int
+proto_shell_notify(struct interface_proto_state *proto, struct blob_attr *attr)
+{
+ struct proto_shell_state *state;
+ struct blob_attr *tb[__NOTIFY_LAST], *cur;
+ bool addr_ext = false;
+ bool up;
+
+ state = container_of(proto, struct proto_shell_state, proto);
+
+ blobmsg_parse(notify_attr, __NOTIFY_LAST, tb, blob_data(attr), blob_len(attr));
+ if (!tb[NOTIFY_LINK_UP])
+ return UBUS_STATUS_INVALID_ARGUMENT;
+
+ up = blobmsg_get_bool(tb[NOTIFY_LINK_UP]);
+ if (up) {
+ if (!tb[NOTIFY_IFNAME])
+ return UBUS_STATUS_INVALID_ARGUMENT;
+
+ if (!state->l3_dev.dev) {
+ device_add_user(&state->l3_dev,
+ device_get(blobmsg_data(tb[NOTIFY_IFNAME]), true));
+ device_claim(&state->l3_dev);
+ state->proto.iface->l3_dev = &state->l3_dev;
+ }
+ state->proto.proto_event(&state->proto, IFPEV_UP);
+ } else {
+ state->proto.proto_event(&state->proto, IFPEV_LINK_LOST);
+ }
+
+ if ((cur = tb[NOTIFY_ADDR_EXT]) != NULL)
+ addr_ext = blobmsg_get_bool(cur);
+
+ if ((cur = tb[NOTIFY_IPADDR]) != NULL)
+ proto_shell_parse_addr_list(state->proto.iface, cur, false, addr_ext);
+
+ if ((cur = tb[NOTIFY_IP6ADDR]) != NULL)
+ proto_shell_parse_addr_list(state->proto.iface, cur, true, addr_ext);
+
+ if ((cur = tb[NOTIFY_ROUTES]) != NULL)
+ proto_shell_parse_route_list(state->proto.iface, cur, false);
+
+ if ((cur = tb[NOTIFY_ROUTES6]) != NULL)
+ proto_shell_parse_route_list(state->proto.iface, cur, true);
+
+ return 0;
+}
+
+struct interface_proto_state *
+proto_shell_attach(const struct proto_handler *h, struct interface *iface,
+ struct blob_attr *attr)
+{
+ struct proto_shell_state *state;
+
+ state = calloc(1, sizeof(*state));
+ state->config = malloc(blob_pad_len(attr));
+ if (!state->config)
+ goto error;
+
+ memcpy(state->config, attr, blob_pad_len(attr));
+ state->proto.free = proto_shell_free;
+ state->proto.notify = proto_shell_notify;
+ state->proto.cb = proto_shell_handler;
+ state->setup_timeout.cb = proto_shell_setup_timeout_cb;
+ state->setup_task.cb = proto_shell_setup_cb;
+ state->teardown_task.cb = proto_shell_teardown_cb;
+ state->handler = container_of(h, struct proto_shell_handler, proto);
+
+ return &state->proto;
+
+error:
+ free(state);
+ return NULL;
+}
+
+static json_object *
+check_type(json_object *obj, json_type type)
+{
+ if (!obj)
+ return NULL;
+
+ if (json_object_get_type(obj) != type)
+ return NULL;
+
+ return obj;
+}
+
+static inline json_object *
+get_field(json_object *obj, const char *name, json_type type)
+{
+ return check_type(json_object_object_get(obj, name), type);
+}
+
+static char *
+proto_shell_parse_config(struct config_param_list *config, json_object *obj)
+{
+ struct blobmsg_policy *attrs;
+ char *str_buf, *str_cur;
+ int str_len = 0;
+ int i;
+
+ attrs = calloc(1, sizeof(*attrs));
+ if (!attrs)
+ return NULL;
+
+ config->n_params = json_object_array_length(obj);
+ config->params = attrs;
+ for (i = 0; i < config->n_params; i++) {
+ json_object *cur, *name, *type;
+
+ cur = check_type(json_object_array_get_idx(obj, i), json_type_array);
+ if (!cur)
+ goto error;
+
+ name = check_type(json_object_array_get_idx(cur, 0), json_type_string);
+ if (!name)
+ goto error;
+
+ type = check_type(json_object_array_get_idx(cur, 1), json_type_int);
+ if (!type)
+ goto error;
+
+ attrs[i].name = json_object_get_string(name);
+ attrs[i].type = json_object_get_int(type);
+ if (attrs[i].type > BLOBMSG_TYPE_LAST)
+ goto error;
+
+ str_len += strlen(attrs[i].name + 1);
+ }
+
+ str_buf = malloc(str_len);
+ if (!str_buf)
+ goto error;
+
+ str_cur = str_buf;
+ for (i = 0; i < config->n_params; i++) {
+ const char *name = attrs[i].name;
+
+ attrs[i].name = str_cur;
+ str_cur += sprintf(str_cur, "%s", name) + 1;
+ }
+
+ return str_buf;
+
+error:
+ free(attrs);
+ config->n_params = 0;
+ return NULL;
+}
+
+static void
+proto_shell_add_handler(const char *script, json_object *obj)
+{
+ struct proto_shell_handler *handler;
+ struct proto_handler *proto;
+ json_object *config, *tmp;
+ const char *name;
+ char *str;
+
+ if (!check_type(obj, json_type_object))
+ return;
+
+ tmp = get_field(obj, "name", json_type_string);
+ if (!tmp)
+ return;
+
+ name = json_object_get_string(tmp);
+
+ handler = calloc(1, sizeof(*handler) +
+ strlen(script) + 1 +
+ strlen(name) + 1);
+ if (!handler)
+ return;
+
+ strcpy(handler->script_name, script);
+
+ str = handler->script_name + strlen(handler->script_name) + 1;
+ strcpy(str, name);
+
+ proto = &handler->proto;
+ proto->name = str;
+ proto->config_params = &handler->config;
+ proto->attach = proto_shell_attach;
+
+ tmp = get_field(obj, "no-device", json_type_boolean);
+ if (tmp && json_object_get_boolean(tmp))
+ handler->proto.flags |= PROTO_FLAG_NODEV;
+
+ config = get_field(obj, "config", json_type_array);
+ if (config)
+ handler->config_buf = proto_shell_parse_config(&handler->config, config);
+
+ DPRINTF("Add handler for script %s: %s\n", script, proto->name);
+ add_proto_handler(proto);