X-Git-Url: https://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=blobdiff_plain;f=ubus.c;h=2b92c780702f966db9b99791fa338d25746cb70c;hp=9b0f5158e89b273255936d1e4b78144b025a64a2;hb=16e21f6b33c40895cda27af4bc9f3bd0136d2482;hpb=f3074dda01b5316d3743d76998d428c25c143469 diff --git a/ubus.c b/ubus.c index 9b0f515..2b92c78 100644 --- a/ubus.c +++ b/ubus.c @@ -1,5 +1,19 @@ +/* + * netifd - network interface daemon + * Copyright (C) 2012 Felix Fietkau + * + * 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. + */ #define _GNU_SOURCE +#include #include #include @@ -11,7 +25,7 @@ static struct ubus_context *ctx = NULL; static struct blob_buf b; -static struct netifd_fd ubus_fd; +static const char *ubus_path; /* global object */ @@ -26,16 +40,74 @@ netifd_handle_restart(struct ubus_context *ctx, struct ubus_object *obj, static int netifd_handle_reload(struct ubus_context *ctx, struct ubus_object *obj, + struct ubus_request_data *req, const char *method, + struct blob_attr *msg) +{ + netifd_reload(); + return 0; +} + +enum { + HR_TARGET, + HR_V6, + __HR_MAX +}; + +static const struct blobmsg_policy route_policy[__HR_MAX] = { + [HR_TARGET] = { .name = "target", .type = BLOBMSG_TYPE_STRING }, + [HR_V6] = { .name = "v6", .type = BLOBMSG_TYPE_BOOL }, +}; + +static int +netifd_add_host_route(struct ubus_context *ctx, struct ubus_object *obj, struct ubus_request_data *req, const char *method, struct blob_attr *msg) { - netifd_reload(); + struct blob_attr *tb[__HR_MAX]; + struct interface *iface; + union if_addr a; + bool v6 = false; + + blobmsg_parse(route_policy, __HR_MAX, tb, blob_data(msg), blob_len(msg)); + if (!tb[HR_TARGET]) + return UBUS_STATUS_INVALID_ARGUMENT; + + if (tb[HR_V6]) + v6 = blobmsg_get_bool(tb[HR_V6]); + + memset(&a, 0, sizeof(a)); + if (!inet_pton(v6 ? AF_INET6 : AF_INET, blobmsg_data(tb[HR_TARGET]), &a)) + return UBUS_STATUS_INVALID_ARGUMENT; + + + iface = interface_ip_add_target_route(&a, v6); + if (!iface) + return UBUS_STATUS_NOT_FOUND; + + blob_buf_init(&b, 0); + blobmsg_add_string(&b, "interface", iface->name); + ubus_send_reply(ctx, req, b.head); + + return 0; +} + +static int +netifd_get_proto_handlers(struct ubus_context *ctx, struct ubus_object *obj, + struct ubus_request_data *req, const char *method, + struct blob_attr *msg) +{ + blob_buf_init(&b, 0); + proto_dump_handlers(&b); + ubus_send_reply(ctx, req, b.head); + return 0; } static struct ubus_method main_object_methods[] = { { .name = "restart", .handler = netifd_handle_restart }, { .name = "reload", .handler = netifd_handle_reload }, + UBUS_METHOD("add_host_route", netifd_add_host_route, route_policy), + { .name = "get_proto_handlers", .handler = netifd_get_proto_handlers }, }; static struct ubus_object_type main_object_type = @@ -80,8 +152,95 @@ netifd_dev_status(struct ubus_context *ctx, struct ubus_object *obj, return 0; } +enum { + ALIAS_ATTR_ALIAS, + ALIAS_ATTR_DEV, + __ALIAS_ATTR_MAX, +}; + +static const struct blobmsg_policy alias_attrs[__ALIAS_ATTR_MAX] = { + [ALIAS_ATTR_ALIAS] = { "alias", BLOBMSG_TYPE_ARRAY }, + [ALIAS_ATTR_DEV] = { "device", BLOBMSG_TYPE_STRING }, +}; + +static int +netifd_handle_alias(struct ubus_context *ctx, struct ubus_object *obj, + struct ubus_request_data *req, const char *method, + struct blob_attr *msg) +{ + struct device *dev = NULL; + struct blob_attr *tb[__ALIAS_ATTR_MAX]; + struct blob_attr *cur; + int rem; + + blobmsg_parse(alias_attrs, __ALIAS_ATTR_MAX, tb, blob_data(msg), blob_len(msg)); + + if (!tb[ALIAS_ATTR_ALIAS]) + return UBUS_STATUS_INVALID_ARGUMENT; + + if ((cur = tb[ALIAS_ATTR_DEV]) != NULL) { + dev = device_get(blobmsg_data(cur), true); + if (!dev) + return UBUS_STATUS_NOT_FOUND; + } + + blobmsg_for_each_attr(cur, tb[ALIAS_ATTR_ALIAS], rem) { + if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING) + goto error; + + if (!blobmsg_check_attr(cur, NULL)) + goto error; + + alias_notify_device(blobmsg_data(cur), dev); + } + return 0; + +error: + device_free_unused(dev); + return UBUS_STATUS_INVALID_ARGUMENT; +} + +enum { + DEV_STATE_NAME, + DEV_STATE_DEFER, + __DEV_STATE_MAX, +}; + +static const struct blobmsg_policy dev_state_policy[__DEV_STATE_MAX] = { + [DEV_STATE_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING }, + [DEV_STATE_DEFER] = { .name = "defer", .type = BLOBMSG_TYPE_BOOL }, +}; + +static int +netifd_handle_set_state(struct ubus_context *ctx, struct ubus_object *obj, + struct ubus_request_data *req, const char *method, + struct blob_attr *msg) +{ + struct device *dev = NULL; + struct blob_attr *tb[__DEV_STATE_MAX]; + struct blob_attr *cur; + + blobmsg_parse(dev_state_policy, __DEV_STATE_MAX, tb, blob_data(msg), blob_len(msg)); + + cur = tb[DEV_STATE_NAME]; + if (!cur) + return UBUS_STATUS_INVALID_ARGUMENT; + + dev = device_get(blobmsg_data(cur), false); + if (!dev) + return UBUS_STATUS_NOT_FOUND; + + cur = tb[DEV_STATE_DEFER]; + if (cur) + device_set_deferred(dev, !!blobmsg_get_u8(cur)); + + return 0; +} + static struct ubus_method dev_object_methods[] = { - UBUS_METHOD("status", netifd_dev_status, dev_policy) + UBUS_METHOD("status", netifd_dev_status, dev_policy), + UBUS_METHOD("set_alias", netifd_handle_alias, alias_attrs), + UBUS_METHOD("set_state", netifd_handle_set_state, dev_state_policy), }; static struct ubus_object_type dev_object_type = @@ -94,20 +253,52 @@ static struct ubus_object dev_object = { .n_methods = ARRAY_SIZE(dev_object_methods), }; +static void +netifd_ubus_add_fd(void) +{ + ubus_add_uloop(ctx); + system_fd_set_cloexec(ctx->sock.fd); +} + +static void +netifd_ubus_reconnect_timer(struct uloop_timeout *timeout) +{ + static struct uloop_timeout retry = { + .cb = netifd_ubus_reconnect_timer, + }; + int t = 2; + + if (ubus_reconnect(ctx, ubus_path) != 0) { + DPRINTF("failed to reconnect, trying again in %d seconds\n", t); + uloop_timeout_set(&retry, t * 1000); + return; + } + + DPRINTF("reconnected to ubus, new id: %08x\n", ctx->local_id); + netifd_ubus_add_fd(); +} + +static void +netifd_ubus_connection_lost(struct ubus_context *ctx) +{ + netifd_ubus_reconnect_timer(NULL); +} + int netifd_ubus_init(const char *path) { int ret; + uloop_init(); + ubus_path = path; + ctx = ubus_connect(path); if (!ctx) return -EIO; DPRINTF("connected as %08x\n", ctx->local_id); - uloop_init(); - ubus_add_uloop(ctx); - ubus_fd.fd = ctx->sock.fd; - netifd_fd_add(&ubus_fd); + ctx->connection_lost = netifd_ubus_connection_lost; + netifd_ubus_add_fd(); ret = ubus_add_object(ctx, &main_object); if (ret) @@ -181,12 +372,121 @@ netifd_add_interface_errors(struct blob_buf *b, struct interface *iface) blobmsg_close_array(b, e); } +static void +interface_ip_dump_address_list(struct interface_ip_settings *ip, bool v6, + bool enabled) +{ + struct device_addr *addr; + char *buf; + void *a; + int buflen = 128; + int af; + + vlist_for_each_element(&ip->addr, addr, node) { + if (addr->enabled != enabled) + continue; + + if ((addr->flags & DEVADDR_FAMILY) == DEVADDR_INET4) + af = AF_INET; + else + af = AF_INET6; + + if (af != (v6 ? AF_INET6 : AF_INET)) + continue; + + a = blobmsg_open_table(&b, NULL); + + buf = blobmsg_alloc_string_buffer(&b, "address", buflen); + inet_ntop(af, &addr->addr, buf, buflen); + blobmsg_add_string_buffer(&b); + + blobmsg_add_u32(&b, "mask", addr->mask); + + blobmsg_close_table(&b, a); + } +} + +static void +interface_ip_dump_route_list(struct interface_ip_settings *ip, bool enabled) +{ + struct device_route *route; + int buflen = 128; + char *buf; + void *r; + int af; + + vlist_for_each_element(&ip->route, route, node) { + if (route->enabled != enabled) + continue; + + if ((route->flags & DEVADDR_FAMILY) == DEVADDR_INET4) + af = AF_INET; + else + af = AF_INET6; + + r = blobmsg_open_table(&b, NULL); + + buf = blobmsg_alloc_string_buffer(&b, "target", buflen); + inet_ntop(af, &route->addr, buf, buflen); + blobmsg_add_string_buffer(&b); + + blobmsg_add_u32(&b, "mask", route->mask); + + buf = blobmsg_alloc_string_buffer(&b, "nexthop", buflen); + inet_ntop(af, &route->nexthop, buf, buflen); + blobmsg_add_string_buffer(&b); + + if (route->flags & DEVROUTE_MTU) + blobmsg_add_u32(&b, "mtu", route->mtu); + + if (route->flags & DEVROUTE_METRIC) + blobmsg_add_u32(&b, "metric", route->metric); + + blobmsg_close_table(&b, r); + } +} + +static void +interface_ip_dump_dns_server_list(struct interface_ip_settings *ip, + bool enabled) +{ + struct dns_server *dns; + int buflen = 128; + char *buf; + + vlist_simple_for_each_element(&ip->dns_servers, dns, node) { + if (ip->no_dns == enabled) + continue; + + buf = blobmsg_alloc_string_buffer(&b, NULL, buflen); + inet_ntop(dns->af, &dns->addr, buf, buflen); + blobmsg_add_string_buffer(&b); + } +} + +static void +interface_ip_dump_dns_search_list(struct interface_ip_settings *ip, + bool enabled) +{ + struct dns_search_domain *dns; + + vlist_simple_for_each_element(&ip->dns_search, dns, node) { + if (ip->no_dns == enabled) + continue; + + blobmsg_add_string(&b, NULL, dns->name); + } +} + static int netifd_handle_status(struct ubus_context *ctx, struct ubus_object *obj, struct ubus_request_data *req, const char *method, struct blob_attr *msg) { struct interface *iface; + struct interface_data *data; + struct device *dev; + void *a, *inactive; iface = container_of(obj, struct interface, ubus); @@ -199,11 +499,69 @@ netifd_handle_status(struct ubus_context *ctx, struct ubus_object *obj, if (iface->state == IFS_UP) { time_t cur = system_get_rtime(); blobmsg_add_u32(&b, "uptime", cur - iface->start_time); - blobmsg_add_string(&b, "l3_device", iface->l3_dev->dev->ifname); + blobmsg_add_string(&b, "l3_device", iface->l3_dev.dev->ifname); } - if (!(iface->proto_handler->flags & PROTO_FLAG_NODEV)) - blobmsg_add_string(&b, "device", iface->main_dev.dev->ifname); + if (iface->proto_handler) + blobmsg_add_string(&b, "proto", iface->proto_handler->name); + + dev = iface->main_dev.dev; + if (dev && !dev->hidden && + !(iface->proto_handler->flags & PROTO_FLAG_NODEV)) + blobmsg_add_string(&b, "device", dev->ifname); + + if (iface->state == IFS_UP) { + blobmsg_add_u32(&b, "metric", iface->metric); + a = blobmsg_open_array(&b, "ipv4-address"); + interface_ip_dump_address_list(&iface->config_ip, false, true); + interface_ip_dump_address_list(&iface->proto_ip, false, true); + blobmsg_close_array(&b, a); + a = blobmsg_open_array(&b, "ipv6-address"); + interface_ip_dump_address_list(&iface->config_ip, true, true); + interface_ip_dump_address_list(&iface->proto_ip, true, true); + blobmsg_close_array(&b, a); + a = blobmsg_open_array(&b, "route"); + interface_ip_dump_route_list(&iface->config_ip, true); + interface_ip_dump_route_list(&iface->proto_ip, true); + blobmsg_close_array(&b, a); + a = blobmsg_open_array(&b, "dns-server"); + interface_ip_dump_dns_server_list(&iface->config_ip, true); + interface_ip_dump_dns_server_list(&iface->proto_ip, true); + blobmsg_close_array(&b, a); + a = blobmsg_open_array(&b, "dns-search"); + interface_ip_dump_dns_search_list(&iface->config_ip, true); + interface_ip_dump_dns_search_list(&iface->proto_ip, true); + blobmsg_close_array(&b, a); + + inactive = blobmsg_open_table(&b, "inactive"); + a = blobmsg_open_array(&b, "ipv4-address"); + interface_ip_dump_address_list(&iface->config_ip, false, false); + interface_ip_dump_address_list(&iface->proto_ip, false, false); + blobmsg_close_array(&b, a); + a = blobmsg_open_array(&b, "ipv6-address"); + interface_ip_dump_address_list(&iface->config_ip, true, false); + interface_ip_dump_address_list(&iface->proto_ip, true, false); + blobmsg_close_array(&b, a); + a = blobmsg_open_array(&b, "route"); + interface_ip_dump_route_list(&iface->config_ip, false); + interface_ip_dump_route_list(&iface->proto_ip, false); + blobmsg_close_array(&b, a); + a = blobmsg_open_array(&b, "dns-server"); + interface_ip_dump_dns_server_list(&iface->config_ip, false); + interface_ip_dump_dns_server_list(&iface->proto_ip, false); + blobmsg_close_array(&b, a); + a = blobmsg_open_array(&b, "dns-search"); + interface_ip_dump_dns_search_list(&iface->config_ip, false); + interface_ip_dump_dns_search_list(&iface->proto_ip, false); + blobmsg_close_array(&b, a); + blobmsg_close_table(&b, inactive); + } + + a = blobmsg_open_table(&b, "data"); + avl_for_each_element(&iface->data, data, node) + blob_put(&b, blob_id(data->data), blob_data(data->data), blob_len(data->data)); + + blobmsg_close_table(&b, a); if (!list_is_empty(&iface->errors)) netifd_add_interface_errors(&b, iface); @@ -218,9 +576,9 @@ netifd_iface_handle_device(struct ubus_context *ctx, struct ubus_object *obj, struct ubus_request_data *req, const char *method, struct blob_attr *msg) { - struct interface *iface; - struct device *dev, *main_dev; struct blob_attr *tb[__DEV_MAX]; + struct interface *iface; + struct device *dev; bool add = !strncmp(method, "add", 3); int ret; @@ -231,30 +589,27 @@ netifd_iface_handle_device(struct ubus_context *ctx, struct ubus_object *obj, if (!tb[DEV_NAME]) return UBUS_STATUS_INVALID_ARGUMENT; - main_dev = iface->main_dev.dev; - if (!main_dev) - return UBUS_STATUS_NOT_FOUND; + device_lock(); - if (!main_dev->hotplug_ops) - return UBUS_STATUS_NOT_SUPPORTED; + dev = device_get(blobmsg_data(tb[DEV_NAME]), add ? 2 : 0); + if (!dev) { + ret = UBUS_STATUS_NOT_FOUND; + goto out; + } - dev = device_get(blobmsg_data(tb[DEV_NAME]), add); - if (!dev) - return UBUS_STATUS_NOT_FOUND; + if (add) { + device_set_present(dev, true); + if (iface->device_config) + device_set_config(dev, &simple_device_type, iface->config); - if (main_dev != dev) { - if (add) - ret = main_dev->hotplug_ops->add(main_dev, dev); - else - ret = main_dev->hotplug_ops->del(main_dev, dev); - if (ret) - ret = UBUS_STATUS_UNKNOWN_ERROR; + system_if_apply_settings(dev, &dev->settings); + ret = interface_add_link(iface, dev); } else { - ret = UBUS_STATUS_INVALID_ARGUMENT; + ret = interface_remove_link(iface, dev); } - if (add) - device_free_unused(dev); +out: + device_unlock(); return ret; } @@ -300,16 +655,57 @@ netifd_iface_remove(struct ubus_context *ctx, struct ubus_object *obj, return 0; } +static int +netifd_handle_iface_prepare(struct ubus_context *ctx, struct ubus_object *obj, + struct ubus_request_data *req, const char *method, + struct blob_attr *msg) +{ + struct interface *iface; + struct device *dev; + const struct device_hotplug_ops *ops; + + iface = container_of(obj, struct interface, ubus); + dev = iface->main_dev.dev; + if (!dev) + return 0; + + ops = dev->hotplug_ops; + if (!ops) + return 0; + + return ops->prepare(dev); +} + +static int +netifd_handle_set_data(struct ubus_context *ctx, struct ubus_object *obj, + struct ubus_request_data *req, const char *method, + struct blob_attr *msg) +{ + struct interface *iface; + struct blob_attr *cur; + int rem, ret; + + iface = container_of(obj, struct interface, ubus); + + blob_for_each_attr(cur, msg, rem) { + ret = interface_add_data(iface, cur); + if (ret) + return ret; + } + + return 0; +} + static struct ubus_method iface_object_methods[] = { { .name = "up", .handler = netifd_handle_up }, { .name = "down", .handler = netifd_handle_down }, { .name = "status", .handler = netifd_handle_status }, - { .name = "add_device", .handler = netifd_iface_handle_device, - .policy = dev_policy, .n_policy = __DEV_MAX }, - { .name = "remove_device", .handler = netifd_iface_handle_device, - .policy = dev_policy, .n_policy = __DEV_MAX }, + { .name = "prepare", .handler = netifd_handle_iface_prepare }, + UBUS_METHOD("add_device", netifd_iface_handle_device, dev_policy ), + UBUS_METHOD("remove_device", netifd_iface_handle_device, dev_policy ), { .name = "notify_proto", .handler = netifd_iface_notify_proto }, - { .name = "remove", .handler = netifd_iface_remove } + { .name = "remove", .handler = netifd_iface_remove }, + { .name = "set_data", .handler = netifd_handle_set_data }, }; static struct ubus_object_type iface_object_type = @@ -331,8 +727,7 @@ netifd_ubus_add_interface(struct interface *iface) struct ubus_object *obj = &iface->ubus; char *name = NULL; - asprintf(&name, "%s.interface.%s", main_object.name, iface->name); - if (!name) + if (asprintf(&name, "%s.interface.%s", main_object.name, iface->name) == -1) return; obj->name = name;