ubus.c

   1 /*
   2  * netifd - network interface daemon
   3  * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2
   7  * as published by the Free Software Foundation
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14 #define _GNU_SOURCE
  15
  16 #include <arpa/inet.h>
  17 #include <string.h>
  18 #include <stdio.h>
  19
  20 #include "netifd.h"
  21 #include "interface.h"
  22 #include "proto.h"
  23 #include "ubus.h"
  24 #include "system.h"
  25 #include "wireless.h"
  26
  27 struct ubus_context *ubus_ctx = NULL;
  28 static struct blob_buf b;
  29 static const char *ubus_path;
  30
  31 /* global object */
  32
  33 static int
  34 netifd_handle_restart(struct ubus_context *ctx, struct ubus_object *obj,
  35                       struct ubus_request_data *req, const char *method,
  36                       struct blob_attr *msg)
  37 {
  38         netifd_restart();
  39         return 0;
  40 }
  41
  42 static int
  43 netifd_handle_reload(struct ubus_context *ctx, struct ubus_object *obj,
  44                      struct ubus_request_data *req, const char *method,
  45                      struct blob_attr *msg)
  46 {
  47         if (netifd_reload())
  48                 return UBUS_STATUS_NOT_FOUND;
  49
  50         return UBUS_STATUS_OK;
  51 }
  52
  53 enum {
  54         HR_TARGET,
  55         HR_V6,
  56         HR_INTERFACE,
  57         HR_EXCLUDE,
  58         __HR_MAX
  59 };
  60
  61 static const struct blobmsg_policy route_policy[__HR_MAX] = {
  62         [HR_TARGET] = { .name = "target", .type = BLOBMSG_TYPE_STRING },
  63         [HR_V6] = { .name = "v6", .type = BLOBMSG_TYPE_BOOL },
  64         [HR_INTERFACE] = { .name = "interface", .type = BLOBMSG_TYPE_STRING },
  65         [HR_EXCLUDE] = { .name = "exclude", .type = BLOBMSG_TYPE_BOOL },
  66 };
  67
  68 static int
  69 netifd_add_host_route(struct ubus_context *ctx, struct ubus_object *obj,
  70                       struct ubus_request_data *req, const char *method,
  71                       struct blob_attr *msg)
  72 {
  73         struct blob_attr *tb[__HR_MAX];
  74         struct interface *iface = NULL;
  75         union if_addr a;
  76         bool v6 = false;
  77         bool exclude = false;
  78
  79         blobmsg_parse(route_policy, __HR_MAX, tb, blob_data(msg), blob_len(msg));
  80         if (!tb[HR_TARGET])
  81                 return UBUS_STATUS_INVALID_ARGUMENT;
  82
  83         if (tb[HR_V6])
  84                 v6 = blobmsg_get_bool(tb[HR_V6]);
  85
  86         if (tb[HR_EXCLUDE])
  87                 exclude = blobmsg_get_bool(tb[HR_EXCLUDE]);
  88
  89         if (tb[HR_INTERFACE])
  90                 iface = vlist_find(&interfaces, blobmsg_data(tb[HR_INTERFACE]), iface, node);
  91
  92         memset(&a, 0, sizeof(a));
  93         if (!inet_pton(v6 ? AF_INET6 : AF_INET, blobmsg_data(tb[HR_TARGET]), &a))
  94                 return UBUS_STATUS_INVALID_ARGUMENT;
  95
  96         iface = interface_ip_add_target_route(&a, v6, iface, exclude);
  97         if (!iface)
  98                 return UBUS_STATUS_NOT_FOUND;
  99
 100         blob_buf_init(&b, 0);
 101         blobmsg_add_string(&b, "interface", iface->name);
 102         ubus_send_reply(ctx, req, b.head);
 103
 104         return 0;
 105 }
 106
 107 static int
 108 netifd_get_proto_handlers(struct ubus_context *ctx, struct ubus_object *obj,
 109                           struct ubus_request_data *req, const char *method,
 110                           struct blob_attr *msg)
 111 {
 112         blob_buf_init(&b, 0);
 113         proto_dump_handlers(&b);
 114         ubus_send_reply(ctx, req, b.head);
 115
 116         return 0;
 117 }
 118
 119
 120 enum {
 121         DI_NAME,
 122         __DI_MAX
 123 };
 124
 125 static const struct blobmsg_policy dynamic_policy[__DI_MAX] = {
 126         [DI_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
 127 };
 128
 129 static int
 130 netifd_add_dynamic(struct ubus_context *ctx, struct ubus_object *obj,
 131                       struct ubus_request_data *req, const char *method,
 132                       struct blob_attr *msg)
 133 {
 134         struct blob_attr *tb[__DI_MAX];
 135         struct interface *iface;
 136         struct blob_attr *config;
 137
 138         blobmsg_parse(dynamic_policy, __DI_MAX, tb, blob_data(msg), blob_len(msg));
 139
 140         if (!tb[DI_NAME])
 141                 return UBUS_STATUS_INVALID_ARGUMENT;
 142
 143         const char *name = blobmsg_get_string(tb[DI_NAME]);
 144
 145         iface = interface_alloc(name, msg, true);
 146         if (!iface)
 147                 return UBUS_STATUS_UNKNOWN_ERROR;
 148
 149         config = blob_memdup(msg);
 150         if (!config)
 151                 goto error;
 152
 153         if (!interface_add(iface, config))
 154                 goto error_free_config;
 155
 156         return UBUS_STATUS_OK;
 157
 158 error_free_config:
 159         free(config);
 160 error:
 161         free(iface);
 162         return UBUS_STATUS_UNKNOWN_ERROR;
 163 }
 164
 165 enum {
 166         NETNS_UPDOWN_JAIL,
 167         NETNS_UPDOWN_START,
 168         __NETNS_UPDOWN_MAX
 169 };
 170
 171 static const struct blobmsg_policy netns_updown_policy[__NETNS_UPDOWN_MAX] = {
 172         [NETNS_UPDOWN_JAIL] = { .name = "jail", .type = BLOBMSG_TYPE_STRING },
 173         [NETNS_UPDOWN_START] = { .name = "start", .type = BLOBMSG_TYPE_BOOL },
 174 };
 175
 176 static int
 177 netifd_netns_updown(struct ubus_context *ctx, struct ubus_object *obj,
 178                   struct ubus_request_data *req, const char *method,
 179                   struct blob_attr *msg)
 180 {
 181         int target_netns_fd = ubus_request_get_caller_fd(req);
 182         struct blob_attr *tb[__NETNS_UPDOWN_MAX];
 183         bool start;
 184
 185         if (target_netns_fd < 0)
 186                 return UBUS_STATUS_INVALID_ARGUMENT;
 187
 188         blobmsg_parse(netns_updown_policy, __NETNS_UPDOWN_MAX, tb, blob_data(msg), blob_len(msg));
 189
 190         start = tb[NETNS_UPDOWN_START] && blobmsg_get_bool(tb[NETNS_UPDOWN_START]);
 191
 192         if (start) {
 193                 if (!tb[NETNS_UPDOWN_JAIL])
 194                         return UBUS_STATUS_INVALID_ARGUMENT;
 195
 196                 interface_start_jail(target_netns_fd, blobmsg_get_string(tb[NETNS_UPDOWN_JAIL]));
 197         } else {
 198                 interface_stop_jail(target_netns_fd);
 199         }
 200         close(target_netns_fd);
 201
 202         return UBUS_STATUS_OK;
 203 }
 204
 205 static struct ubus_method main_object_methods[] = {
 206         { .name = "restart", .handler = netifd_handle_restart },
 207         { .name = "reload", .handler = netifd_handle_reload },
 208         UBUS_METHOD("add_host_route", netifd_add_host_route, route_policy),
 209         { .name = "get_proto_handlers", .handler = netifd_get_proto_handlers },
 210         UBUS_METHOD("add_dynamic", netifd_add_dynamic, dynamic_policy),
 211         UBUS_METHOD("netns_updown", netifd_netns_updown, netns_updown_policy),
 212 };
 213
 214 static struct ubus_object_type main_object_type =
 215         UBUS_OBJECT_TYPE("netifd", main_object_methods);
 216
 217 static struct ubus_object main_object = {
 218         .name = "network",
 219         .type = &main_object_type,
 220         .methods = main_object_methods,
 221         .n_methods = ARRAY_SIZE(main_object_methods),
 222 };
 223
 224 enum {
 225         DEV_NAME,
 226         __DEV_MAX,
 227 };
 228
 229 static const struct blobmsg_policy dev_policy[__DEV_MAX] = {
 230         [DEV_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
 231 };
 232
 233 static int
 234 netifd_dev_status(struct ubus_context *ctx, struct ubus_object *obj,
 235                   struct ubus_request_data *req, const char *method,
 236                   struct blob_attr *msg)
 237 {
 238         struct device *dev = NULL;
 239         struct blob_attr *tb[__DEV_MAX];
 240
 241         blobmsg_parse(dev_policy, __DEV_MAX, tb, blob_data(msg), blob_len(msg));
 242
 243         if (tb[DEV_NAME]) {
 244                 dev = device_find(blobmsg_data(tb[DEV_NAME]));
 245                 if (!dev)
 246                         return UBUS_STATUS_INVALID_ARGUMENT;
 247         }
 248
 249         blob_buf_init(&b, 0);
 250         device_dump_status(&b, dev);
 251         ubus_send_reply(ctx, req, b.head);
 252
 253         return 0;
 254 }
 255
 256 enum {
 257         ALIAS_ATTR_ALIAS,
 258         ALIAS_ATTR_DEV,
 259         __ALIAS_ATTR_MAX,
 260 };
 261
 262 static const struct blobmsg_policy alias_attrs[__ALIAS_ATTR_MAX] = {
 263         [ALIAS_ATTR_ALIAS] = { "alias", BLOBMSG_TYPE_ARRAY },
 264         [ALIAS_ATTR_DEV] = { "device", BLOBMSG_TYPE_STRING },
 265 };
 266
 267 static int
 268 netifd_handle_alias(struct ubus_context *ctx, struct ubus_object *obj,
 269                     struct ubus_request_data *req, const char *method,
 270                     struct blob_attr *msg)
 271 {
 272         struct device *dev = NULL;
 273         struct blob_attr *tb[__ALIAS_ATTR_MAX];
 274         struct blob_attr *cur;
 275         size_t rem;
 276
 277         blobmsg_parse(alias_attrs, __ALIAS_ATTR_MAX, tb, blob_data(msg), blob_len(msg));
 278
 279         if (!tb[ALIAS_ATTR_ALIAS])
 280                 return UBUS_STATUS_INVALID_ARGUMENT;
 281
 282         if ((cur = tb[ALIAS_ATTR_DEV]) != NULL) {
 283                 dev = device_get(blobmsg_data(cur), true);
 284                 if (!dev)
 285                         return UBUS_STATUS_NOT_FOUND;
 286         }
 287
 288         blobmsg_for_each_attr(cur, tb[ALIAS_ATTR_ALIAS], rem) {
 289                 if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING)
 290                         goto error;
 291
 292                 if (!blobmsg_check_attr(cur, false))
 293                         goto error;
 294
 295                 alias_notify_device(blobmsg_data(cur), dev);
 296         }
 297         return 0;
 298
 299 error:
 300         device_free_unused();
 301         return UBUS_STATUS_INVALID_ARGUMENT;
 302 }
 303
 304 enum {
 305         DEV_STATE_NAME,
 306         DEV_STATE_DEFER,
 307         DEV_STATE_AUTH_STATUS,
 308         __DEV_STATE_MAX,
 309 };
 310
 311 static const struct blobmsg_policy dev_state_policy[__DEV_STATE_MAX] = {
 312         [DEV_STATE_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
 313         [DEV_STATE_DEFER] = { .name = "defer", .type = BLOBMSG_TYPE_BOOL },
 314         [DEV_STATE_AUTH_STATUS] = { .name = "auth_status", .type = BLOBMSG_TYPE_BOOL },
 315 };
 316
 317 static int
 318 netifd_handle_set_state(struct ubus_context *ctx, struct ubus_object *obj,
 319                         struct ubus_request_data *req, const char *method,
 320                         struct blob_attr *msg)
 321 {
 322         struct device *dev = NULL;
 323         struct blob_attr *tb[__DEV_STATE_MAX];
 324         struct blob_attr *cur;
 325
 326         blobmsg_parse(dev_state_policy, __DEV_STATE_MAX, tb, blob_data(msg), blob_len(msg));
 327
 328         cur = tb[DEV_STATE_NAME];
 329         if (!cur)
 330                 return UBUS_STATUS_INVALID_ARGUMENT;
 331
 332         dev = device_find(blobmsg_data(cur));
 333         if (!dev)
 334                 return UBUS_STATUS_NOT_FOUND;
 335
 336         cur = tb[DEV_STATE_DEFER];
 337         if (cur)
 338                 device_set_deferred(dev, !!blobmsg_get_u8(cur));
 339
 340         cur = tb[DEV_STATE_AUTH_STATUS];
 341         if (cur)
 342                 device_set_auth_status(dev, !!blobmsg_get_u8(cur));
 343
 344         return 0;
 345 }
 346
 347 #ifdef DUMMY_MODE
 348 enum {
 349     DEV_HOTPLUG_ATTR_NAME,
 350     DEV_HOTPLUG_ATTR_ADD,
 351     __DEV_HOTPLUG_ATTR_MAX,
 352 };
 353
 354 static const struct blobmsg_policy dev_hotplug_policy[__DEV_HOTPLUG_ATTR_MAX] = {
 355     [DEV_HOTPLUG_ATTR_NAME] = { "name", BLOBMSG_TYPE_STRING },
 356     [DEV_HOTPLUG_ATTR_ADD] = { "add", BLOBMSG_TYPE_BOOL },
 357 };
 358
 359 static int
 360 netifd_handle_dev_hotplug(struct ubus_context *ctx, struct ubus_object *obj,
 361                           struct ubus_request_data *req, const char *method,
 362                           struct blob_attr *msg)
 363 {
 364         struct blob_attr *tb[__DEV_HOTPLUG_ATTR_MAX];
 365         const char *name;
 366
 367         blobmsg_parse(dev_hotplug_policy, __DEV_HOTPLUG_ATTR_MAX, tb,
 368                       blob_data(msg), blob_len(msg));
 369
 370         if (!tb[DEV_HOTPLUG_ATTR_NAME] || !tb[DEV_HOTPLUG_ATTR_ADD])
 371                 return UBUS_STATUS_INVALID_ARGUMENT;
 372
 373         name = blobmsg_get_string(tb[DEV_HOTPLUG_ATTR_NAME]);
 374         device_hotplug_event(name, blobmsg_get_bool(tb[DEV_HOTPLUG_ATTR_ADD]));
 375
 376         return 0;
 377 }
 378 #endif
 379
 380 static int
 381 netifd_handle_stp_init(struct ubus_context *ctx, struct ubus_object *obj,
 382                        struct ubus_request_data *req, const char *method,
 383                        struct blob_attr *msg)
 384 {
 385         device_stp_init();
 386
 387         return 0;
 388 }
 389
 390 static struct ubus_method dev_object_methods[] = {
 391         UBUS_METHOD("status", netifd_dev_status, dev_policy),
 392         UBUS_METHOD("set_alias", netifd_handle_alias, alias_attrs),
 393         UBUS_METHOD("set_state", netifd_handle_set_state, dev_state_policy),
 394 #ifdef DUMMY_MODE
 395         UBUS_METHOD("hotplug_event", netifd_handle_dev_hotplug, dev_hotplug_policy),
 396 #endif
 397         UBUS_METHOD_NOARG("stp_init", netifd_handle_stp_init)
 398 };
 399
 400 static struct ubus_object_type dev_object_type =
 401         UBUS_OBJECT_TYPE("device", dev_object_methods);
 402
 403 static struct ubus_object dev_object = {
 404         .name = "network.device",
 405         .type = &dev_object_type,
 406         .methods = dev_object_methods,
 407         .n_methods = ARRAY_SIZE(dev_object_methods),
 408 };
 409
 410 static void
 411 netifd_ubus_add_fd(void)
 412 {
 413         ubus_add_uloop(ubus_ctx);
 414         system_fd_set_cloexec(ubus_ctx->sock.fd);
 415 }
 416
 417 void netifd_ubus_device_notify(const char *event, struct blob_attr *data, int timeout)
 418 {
 419         ubus_notify(ubus_ctx, &dev_object, event, data, timeout);
 420 }
 421
 422 static void
 423 netifd_ubus_reconnect_timer(struct uloop_timeout *timeout)
 424 {
 425         static struct uloop_timeout retry = {
 426                 .cb = netifd_ubus_reconnect_timer,
 427         };
 428         int t = 2;
 429
 430         if (ubus_reconnect(ubus_ctx, ubus_path) != 0) {
 431                 DPRINTF("failed to reconnect, trying again in %d seconds\n", t);
 432                 uloop_timeout_set(&retry, t * 1000);
 433                 return;
 434         }
 435
 436         DPRINTF("reconnected to ubus, new id: %08x\n", ubus_ctx->local_id);
 437         netifd_ubus_add_fd();
 438 }
 439
 440 static void
 441 netifd_ubus_connection_lost(struct ubus_context *ctx)
 442 {
 443         netifd_ubus_reconnect_timer(NULL);
 444 }
 445
 446 /* per-interface object */
 447
 448 static int
 449 netifd_handle_up(struct ubus_context *ctx, struct ubus_object *obj,
 450                  struct ubus_request_data *req, const char *method,
 451                  struct blob_attr *msg)
 452 {
 453         struct interface *iface;
 454
 455         iface = container_of(obj, struct interface, ubus);
 456         interface_set_up(iface);
 457
 458         return 0;
 459 }
 460
 461 static int
 462 netifd_handle_down(struct ubus_context *ctx, struct ubus_object *obj,
 463                    struct ubus_request_data *req, const char *method,
 464                    struct blob_attr *msg)
 465 {
 466         struct interface *iface;
 467
 468         iface = container_of(obj, struct interface, ubus);
 469         interface_set_down(iface);
 470
 471         return 0;
 472 }
 473
 474 static int
 475 netifd_handle_renew(struct ubus_context *ctx, struct ubus_object *obj,
 476                    struct ubus_request_data *req, const char *method,
 477                    struct blob_attr *msg)
 478 {
 479         struct interface *iface;
 480
 481         iface = container_of(obj, struct interface, ubus);
 482         interface_renew(iface);
 483
 484         return 0;
 485 }
 486
 487 static void
 488 netifd_add_interface_errors(struct blob_buf *b, struct interface *iface)
 489 {
 490         struct interface_error *error;
 491         void *e, *e2, *e3;
 492         int i;
 493
 494         e = blobmsg_open_array(b, "errors");
 495         list_for_each_entry(error, &iface->errors, list) {
 496                 e2 = blobmsg_open_table(b, NULL);
 497
 498                 blobmsg_add_string(b, "subsystem", error->subsystem);
 499                 blobmsg_add_string(b, "code", error->code);
 500                 if (error->data[0]) {
 501                         e3 = blobmsg_open_array(b, "data");
 502                         for (i = 0; error->data[i]; i++)
 503                                 blobmsg_add_string(b, NULL, error->data[i]);
 504                         blobmsg_close_array(b, e3);
 505                 }
 506
 507                 blobmsg_close_table(b, e2);
 508         }
 509         blobmsg_close_array(b, e);
 510 }
 511
 512 static void
 513 interface_ip_dump_address_list(struct interface_ip_settings *ip, bool v6, bool enabled)
 514 {
 515         struct device_addr *addr;
 516         char *buf;
 517         void *a;
 518         int buflen = 128;
 519         int af;
 520
 521         time_t now = system_get_rtime();
 522         vlist_for_each_element(&ip->addr, addr, node) {
 523                 if (addr->enabled != enabled)
 524                         continue;
 525
 526                 if ((addr->flags & DEVADDR_FAMILY) == DEVADDR_INET4)
 527                         af = AF_INET;
 528                 else
 529                         af = AF_INET6;
 530
 531                 if (af != (v6 ? AF_INET6 : AF_INET))
 532                         continue;
 533
 534                 a = blobmsg_open_table(&b, NULL);
 535
 536                 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
 537                 inet_ntop(af, &addr->addr, buf, buflen);
 538                 blobmsg_add_string_buffer(&b);
 539
 540                 blobmsg_add_u32(&b, "mask", addr->mask);
 541
 542                 if (addr->point_to_point) {
 543                         buf = blobmsg_alloc_string_buffer(&b, "ptpaddress", buflen);
 544                         inet_ntop(af, &addr->point_to_point, buf, buflen);
 545                         blobmsg_add_string_buffer(&b);
 546                 }
 547
 548                 if (addr->preferred_until) {
 549                         int preferred = addr->preferred_until - now;
 550                         if (preferred < 0)
 551                                 preferred = 0;
 552                         blobmsg_add_u32(&b, "preferred", preferred);
 553                 }
 554
 555                 if (addr->valid_until)
 556                         blobmsg_add_u32(&b, "valid", addr->valid_until - now);
 557
 558                 if (addr->pclass)
 559                         blobmsg_add_string(&b, "class", addr->pclass);
 560
 561                 blobmsg_close_table(&b, a);
 562         }
 563 }
 564
 565 static void
 566 interface_ip_dump_neighbor_list(struct interface_ip_settings *ip, bool enabled)
 567 {
 568         struct device_neighbor *neighbor;
 569         int buflen = 128;
 570         char *buf;
 571         void *r;
 572         int af;
 573
 574         vlist_for_each_element(&ip->neighbor, neighbor, node) {
 575                 if (neighbor->enabled != enabled)
 576                         continue;
 577
 578                 if ((neighbor->flags & DEVADDR_FAMILY) == DEVADDR_INET4)
 579                         af = AF_INET;
 580                 else
 581                         af = AF_INET6;
 582
 583                 r = blobmsg_open_table(&b, NULL);
 584
 585                 if (neighbor->flags & DEVNEIGH_MAC)
 586                         blobmsg_add_string(&b, "mac", format_macaddr(neighbor->macaddr));
 587
 588                 buf = blobmsg_alloc_string_buffer(&b , "address", buflen);
 589                 inet_ntop(af, &neighbor->addr, buf, buflen);
 590                 blobmsg_add_string_buffer(&b);
 591
 592                 if (neighbor->proxy)
 593                         blobmsg_add_u32(&b, "proxy", neighbor->proxy);
 594
 595                 if (neighbor->router)
 596                         blobmsg_add_u32(&b, "router", neighbor->router);
 597
 598                 blobmsg_close_table(&b, r);
 599         }
 600 }
 601
 602 static void
 603 interface_ip_dump_route_list(struct interface_ip_settings *ip, bool enabled)
 604 {
 605         struct device_route *route;
 606         int buflen = 128;
 607         char *buf;
 608         void *r;
 609         int af;
 610
 611         time_t now = system_get_rtime();
 612         vlist_for_each_element(&ip->route, route, node) {
 613                 if (route->enabled != enabled)
 614                         continue;
 615
 616                 if ((ip->no_defaultroute == enabled) && !route->mask)
 617                         continue;
 618
 619                 if ((route->flags & DEVADDR_FAMILY) == DEVADDR_INET4)
 620                         af = AF_INET;
 621                 else
 622                         af = AF_INET6;
 623
 624                 r = blobmsg_open_table(&b, NULL);
 625
 626                 buf = blobmsg_alloc_string_buffer(&b, "target", buflen);
 627                 inet_ntop(af, &route->addr, buf, buflen);
 628                 blobmsg_add_string_buffer(&b);
 629
 630                 blobmsg_add_u32(&b, "mask", route->mask);
 631
 632                 buf = blobmsg_alloc_string_buffer(&b, "nexthop", buflen);
 633                 inet_ntop(af, &route->nexthop, buf, buflen);
 634                 blobmsg_add_string_buffer(&b);
 635
 636                 if (route->flags & DEVROUTE_TYPE)
 637                         blobmsg_add_u32(&b, "type", route->type);
 638
 639                 if (route->flags & DEVROUTE_PROTO)
 640                         blobmsg_add_u32(&b, "proto", route->proto);
 641
 642                 if (route->flags & DEVROUTE_MTU)
 643                         blobmsg_add_u32(&b, "mtu", route->mtu);
 644
 645                 if (route->flags & DEVROUTE_METRIC)
 646                         blobmsg_add_u32(&b, "metric", route->metric);
 647
 648                 if (route->flags & DEVROUTE_TABLE)
 649                         blobmsg_add_u32(&b, "table", route->table);
 650
 651                 if (route->valid_until)
 652                         blobmsg_add_u32(&b, "valid", route->valid_until - now);
 653
 654                 buf = blobmsg_alloc_string_buffer(&b, "source", buflen);
 655                 inet_ntop(af, &route->source, buf, buflen);
 656                 snprintf(buf + strlen(buf), buflen - strlen(buf), "/%u", route->sourcemask);
 657                 blobmsg_add_string_buffer(&b);
 658
 659                 blobmsg_close_table(&b, r);
 660         }
 661 }
 662
 663
 664 static void
 665 interface_ip_dump_prefix_list(struct interface_ip_settings *ip)
 666 {
 667         struct device_prefix *prefix;
 668         char *buf;
 669         void *a, *c;
 670         const int buflen = INET6_ADDRSTRLEN;
 671
 672         time_t now = system_get_rtime();
 673         vlist_for_each_element(&ip->prefix, prefix, node) {
 674                 a = blobmsg_open_table(&b, NULL);
 675
 676                 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
 677                 inet_ntop(AF_INET6, &prefix->addr, buf, buflen);
 678                 blobmsg_add_string_buffer(&b);
 679
 680                 blobmsg_add_u32(&b, "mask", prefix->length);
 681
 682                 if (prefix->preferred_until) {
 683                         int preferred = prefix->preferred_until - now;
 684                         if (preferred < 0)
 685                                 preferred = 0;
 686                         blobmsg_add_u32(&b, "preferred", preferred);
 687                 }
 688
 689                 if (prefix->valid_until)
 690                         blobmsg_add_u32(&b, "valid", prefix->valid_until - now);
 691
 692                 blobmsg_add_string(&b, "class", prefix->pclass);
 693
 694                 c = blobmsg_open_table(&b, "assigned");
 695                 struct device_prefix_assignment *assign;
 696                 list_for_each_entry(assign, &prefix->assignments, head) {
 697                         if (!assign->name[0])
 698                                 continue;
 699
 700                         struct in6_addr addr = prefix->addr;
 701                         addr.s6_addr32[1] |= htonl(assign->assigned);
 702
 703                         void *d = blobmsg_open_table(&b, assign->name);
 704
 705                         buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
 706                         inet_ntop(AF_INET6, &addr, buf, buflen);
 707                         blobmsg_add_string_buffer(&b);
 708
 709                         blobmsg_add_u32(&b, "mask", assign->length);
 710
 711                         blobmsg_close_table(&b, d);
 712                 }
 713                 blobmsg_close_table(&b, c);
 714
 715                 blobmsg_close_table(&b, a);
 716         }
 717 }
 718
 719
 720 static void
 721 interface_ip_dump_prefix_assignment_list(struct interface *iface)
 722 {
 723         void *a;
 724         char *buf;
 725         const int buflen = INET6_ADDRSTRLEN;
 726         time_t now = system_get_rtime();
 727
 728         struct device_prefix *prefix;
 729         list_for_each_entry(prefix, &prefixes, head) {
 730                 struct device_prefix_assignment *assign;
 731                 list_for_each_entry(assign, &prefix->assignments, head) {
 732                         if (strcmp(assign->name, iface->name))
 733                                 continue;
 734
 735                         struct in6_addr addr = prefix->addr;
 736                         addr.s6_addr32[1] |= htonl(assign->assigned);
 737
 738                         a = blobmsg_open_table(&b, NULL);
 739
 740                         buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
 741                         inet_ntop(AF_INET6, &addr, buf, buflen);
 742                         blobmsg_add_string_buffer(&b);
 743
 744                         blobmsg_add_u32(&b, "mask", assign->length);
 745
 746                         if (prefix->preferred_until) {
 747                                 int preferred = prefix->preferred_until - now;
 748                                 if (preferred < 0)
 749                                         preferred = 0;
 750                                 blobmsg_add_u32(&b, "preferred", preferred);
 751                         }
 752
 753                         if (prefix->valid_until)
 754                                 blobmsg_add_u32(&b, "valid", prefix->valid_until - now);
 755
 756                         void *c = blobmsg_open_table(&b, "local-address");
 757                         if (assign->enabled) {
 758                                 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
 759                                 inet_ntop(AF_INET6, &assign->addr, buf, buflen);
 760                                 blobmsg_add_string_buffer(&b);
 761
 762                                 blobmsg_add_u32(&b, "mask", assign->length);
 763                         }
 764                         blobmsg_close_table(&b, c);
 765
 766                         blobmsg_close_table(&b, a);
 767                 }
 768         }
 769 }
 770
 771 static void
 772 interface_ip_dump_dns_server_list(struct interface_ip_settings *ip, bool enabled)
 773 {
 774         struct dns_server *dns;
 775         int buflen = 128;
 776         char *buf;
 777
 778         vlist_simple_for_each_element(&ip->dns_servers, dns, node) {
 779                 if (ip->no_dns == enabled)
 780                         continue;
 781
 782                 buf = blobmsg_alloc_string_buffer(&b, NULL, buflen);
 783                 inet_ntop(dns->af, &dns->addr, buf, buflen);
 784                 blobmsg_add_string_buffer(&b);
 785         }
 786 }
 787
 788 static void
 789 interface_ip_dump_dns_search_list(struct interface_ip_settings *ip, bool enabled)
 790 {
 791         struct dns_search_domain *dns;
 792
 793         vlist_simple_for_each_element(&ip->dns_search, dns, node) {
 794                 if (ip->no_dns == enabled)
 795                         continue;
 796
 797                 blobmsg_add_string(&b, NULL, dns->name);
 798         }
 799 }
 800
 801 static void
 802 netifd_dump_status(struct interface *iface)
 803 {
 804         struct interface_data *data;
 805         struct device *dev;
 806         void *a, *inactive;
 807
 808         blobmsg_add_u8(&b, "up", iface->state == IFS_UP);
 809         blobmsg_add_u8(&b, "pending", iface->state == IFS_SETUP);
 810         blobmsg_add_u8(&b, "available", iface->available);
 811         blobmsg_add_u8(&b, "autostart", iface->autostart);
 812         blobmsg_add_u8(&b, "dynamic", iface->dynamic);
 813
 814         if (iface->state == IFS_UP) {
 815                 time_t cur = system_get_rtime();
 816                 blobmsg_add_u32(&b, "uptime", cur - iface->start_time);
 817                 if (iface->l3_dev.dev)
 818                         blobmsg_add_string(&b, "l3_device", iface->l3_dev.dev->ifname);
 819         }
 820
 821         if (iface->proto_handler)
 822                 blobmsg_add_string(&b, "proto", iface->proto_handler->name);
 823
 824         dev = iface->main_dev.dev;
 825         if (dev && !dev->hidden && iface->proto_handler &&
 826             !(iface->proto_handler->flags & PROTO_FLAG_NODEV))
 827                 blobmsg_add_string(&b, "device", dev->ifname);
 828
 829         if (iface->jail)
 830                 blobmsg_add_string(&b, "jail", iface->jail);
 831
 832         if (iface->jail_device)
 833                 blobmsg_add_string(&b, "jail_device", iface->jail_device);
 834
 835         if (iface->state == IFS_UP) {
 836                 if (iface->updated) {
 837                         a = blobmsg_open_array(&b, "updated");
 838
 839                         if (iface->updated & IUF_ADDRESS)
 840                                 blobmsg_add_string(&b, NULL, "addresses");
 841                         if (iface->updated & IUF_ROUTE)
 842                                 blobmsg_add_string(&b, NULL, "routes");
 843                         if (iface->updated & IUF_PREFIX)
 844                                 blobmsg_add_string(&b, NULL, "prefixes");
 845                         if (iface->updated & IUF_DATA)
 846                                 blobmsg_add_string(&b, NULL, "data");
 847
 848                         blobmsg_close_array(&b, a);
 849                 }
 850
 851                 if (iface->ip4table)
 852                         blobmsg_add_u32(&b, "ip4table", iface->ip4table);
 853                 if (iface->ip6table)
 854                         blobmsg_add_u32(&b, "ip6table", iface->ip6table);
 855                 blobmsg_add_u32(&b, "metric", iface->metric);
 856                 blobmsg_add_u32(&b, "dns_metric", iface->dns_metric);
 857                 blobmsg_add_u8(&b, "delegation", !iface->proto_ip.no_delegation);
 858                 if (iface->assignment_weight)
 859                         blobmsg_add_u32(&b, "ip6weight", iface->assignment_weight);
 860                 a = blobmsg_open_array(&b, "ipv4-address");
 861                 interface_ip_dump_address_list(&iface->config_ip, false, true);
 862                 interface_ip_dump_address_list(&iface->proto_ip, false, true);
 863                 blobmsg_close_array(&b, a);
 864                 a = blobmsg_open_array(&b, "ipv6-address");
 865                 interface_ip_dump_address_list(&iface->config_ip, true, true);
 866                 interface_ip_dump_address_list(&iface->proto_ip, true, true);
 867                 blobmsg_close_array(&b, a);
 868                 a = blobmsg_open_array(&b, "ipv6-prefix");
 869                 interface_ip_dump_prefix_list(&iface->config_ip);
 870                 interface_ip_dump_prefix_list(&iface->proto_ip);
 871                 blobmsg_close_array(&b, a);
 872                 a = blobmsg_open_array(&b, "ipv6-prefix-assignment");
 873                 interface_ip_dump_prefix_assignment_list(iface);
 874                 blobmsg_close_array(&b, a);
 875                 a = blobmsg_open_array(&b, "route");
 876                 interface_ip_dump_route_list(&iface->config_ip, true);
 877                 interface_ip_dump_route_list(&iface->proto_ip, true);
 878                 blobmsg_close_array(&b, a);
 879                 a = blobmsg_open_array(&b, "dns-server");
 880                 interface_ip_dump_dns_server_list(&iface->config_ip, true);
 881                 interface_ip_dump_dns_server_list(&iface->proto_ip, true);
 882                 blobmsg_close_array(&b, a);
 883                 a = blobmsg_open_array(&b, "dns-search");
 884                 interface_ip_dump_dns_search_list(&iface->config_ip, true);
 885                 interface_ip_dump_dns_search_list(&iface->proto_ip, true);
 886                 blobmsg_close_array(&b, a);
 887                 a = blobmsg_open_array(&b, "neighbors");
 888                 interface_ip_dump_neighbor_list(&iface->config_ip, true);
 889                 interface_ip_dump_neighbor_list(&iface->proto_ip, true);
 890                 blobmsg_close_array(&b, a);
 891
 892                 inactive = blobmsg_open_table(&b, "inactive");
 893                 a = blobmsg_open_array(&b, "ipv4-address");
 894                 interface_ip_dump_address_list(&iface->config_ip, false, false);
 895                 interface_ip_dump_address_list(&iface->proto_ip, false, false);
 896                 blobmsg_close_array(&b, a);
 897                 a = blobmsg_open_array(&b, "ipv6-address");
 898                 interface_ip_dump_address_list(&iface->config_ip, true, false);
 899                 interface_ip_dump_address_list(&iface->proto_ip, true, false);
 900                 blobmsg_close_array(&b, a);
 901                 a = blobmsg_open_array(&b, "route");
 902                 interface_ip_dump_route_list(&iface->config_ip, false);
 903                 interface_ip_dump_route_list(&iface->proto_ip, false);
 904                 blobmsg_close_array(&b, a);
 905                 a = blobmsg_open_array(&b, "dns-server");
 906                 interface_ip_dump_dns_server_list(&iface->config_ip, false);
 907                 interface_ip_dump_dns_server_list(&iface->proto_ip, false);
 908                 blobmsg_close_array(&b, a);
 909                 a = blobmsg_open_array(&b, "dns-search");
 910                 interface_ip_dump_dns_search_list(&iface->config_ip, false);
 911                 interface_ip_dump_dns_search_list(&iface->proto_ip, false);
 912                 blobmsg_close_array(&b, a);
 913                 a = blobmsg_open_array(&b, "neighbors");
 914                 interface_ip_dump_neighbor_list(&iface->config_ip, false);
 915                 interface_ip_dump_neighbor_list(&iface->proto_ip, false);
 916                 blobmsg_close_array(&b, a);
 917                 blobmsg_close_table(&b, inactive);
 918         }
 919
 920         a = blobmsg_open_table(&b, "data");
 921
 922         if (iface->zone)
 923                 blobmsg_add_string(&b, "zone", iface->zone);
 924         avl_for_each_element(&iface->data, data, node)
 925                 blobmsg_add_blob(&b, data->data);
 926
 927         blobmsg_close_table(&b, a);
 928
 929         if (!list_empty(&iface->errors))
 930                 netifd_add_interface_errors(&b, iface);
 931 }
 932
 933 static int
 934 netifd_handle_status(struct ubus_context *ctx, struct ubus_object *obj,
 935                      struct ubus_request_data *req, const char *method,
 936                      struct blob_attr *msg)
 937 {
 938         struct interface *iface = container_of(obj, struct interface, ubus);
 939
 940         blob_buf_init(&b, 0);
 941         netifd_dump_status(iface);
 942         ubus_send_reply(ctx, req, b.head);
 943
 944         return 0;
 945 }
 946
 947
 948 static int
 949 netifd_handle_dump(struct ubus_context *ctx, struct ubus_object *obj,
 950                      struct ubus_request_data *req, const char *method,
 951                      struct blob_attr *msg)
 952 {
 953         blob_buf_init(&b, 0);
 954         void *a = blobmsg_open_array(&b, "interface");
 955
 956         struct interface *iface;
 957         vlist_for_each_element(&interfaces, iface, node) {
 958                 void *i = blobmsg_open_table(&b, NULL);
 959                 blobmsg_add_string(&b, "interface", iface->name);
 960                 netifd_dump_status(iface);
 961                 blobmsg_close_table(&b, i);
 962         }
 963
 964         blobmsg_close_array(&b, a);
 965         ubus_send_reply(ctx, req, b.head);
 966
 967         return 0;
 968 }
 969
 970 enum {
 971         DEV_LINK_NAME,
 972         DEV_LINK_EXT,
 973         DEV_LINK_VLAN,
 974         __DEV_LINK_MAX,
 975 };
 976
 977 static const struct blobmsg_policy dev_link_policy[__DEV_LINK_MAX] = {
 978         [DEV_LINK_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
 979         [DEV_LINK_EXT] = { .name = "link-ext", .type = BLOBMSG_TYPE_BOOL },
 980         [DEV_LINK_VLAN] = { .name = "vlan", .type = BLOBMSG_TYPE_ARRAY },
 981 };
 982
 983 static int
 984 netifd_iface_handle_device(struct ubus_context *ctx, struct ubus_object *obj,
 985                            struct ubus_request_data *req, const char *method,
 986                            struct blob_attr *msg)
 987 {
 988         struct blob_attr *tb[__DEV_LINK_MAX];
 989         struct blob_attr *cur;
 990         struct interface *iface;
 991         bool add = !strncmp(method, "add", 3);
 992         bool link_ext = true;
 993
 994         iface = container_of(obj, struct interface, ubus);
 995
 996         blobmsg_parse(dev_link_policy, __DEV_LINK_MAX, tb, blob_data(msg), blob_len(msg));
 997
 998         if (!tb[DEV_LINK_NAME])
 999                 return UBUS_STATUS_INVALID_ARGUMENT;
1000
1001         cur = tb[DEV_LINK_EXT];
1002         if (cur)
1003                 link_ext = blobmsg_get_bool(cur);
1004
1005         return interface_handle_link(iface, blobmsg_data(tb[DEV_LINK_NAME]),
1006                                      tb[DEV_LINK_VLAN], add, link_ext);
1007 }
1008
1009
1010 static int
1011 netifd_iface_notify_proto(struct ubus_context *ctx, struct ubus_object *obj,
1012                           struct ubus_request_data *req, const char *method,
1013                           struct blob_attr *msg)
1014 {
1015         struct interface *iface;
1016
1017         iface = container_of(obj, struct interface, ubus);
1018
1019         if (!iface->proto || !iface->proto->notify)
1020                 return UBUS_STATUS_NOT_SUPPORTED;
1021
1022         return iface->proto->notify(iface->proto, msg);
1023 }
1024
1025 static void
1026 netifd_iface_do_remove(struct uloop_timeout *timeout)
1027 {
1028         struct interface *iface;
1029
1030         iface = container_of(timeout, struct interface, remove_timer);
1031         vlist_delete(&interfaces, &iface->node);
1032 }
1033
1034 static int
1035 netifd_iface_remove(struct ubus_context *ctx, struct ubus_object *obj,
1036                     struct ubus_request_data *req, const char *method,
1037                     struct blob_attr *msg)
1038 {
1039         struct interface *iface;
1040
1041         iface = container_of(obj, struct interface, ubus);
1042         if (iface->remove_timer.cb)
1043                 return UBUS_STATUS_INVALID_ARGUMENT;
1044
1045         iface->remove_timer.cb = netifd_iface_do_remove;
1046         uloop_timeout_set(&iface->remove_timer, 100);
1047         return 0;
1048 }
1049
1050 static int
1051 netifd_handle_iface_prepare(struct ubus_context *ctx, struct ubus_object *obj,
1052                             struct ubus_request_data *req, const char *method,
1053                             struct blob_attr *msg)
1054 {
1055         struct interface *iface;
1056         struct device *dev, *bridge_dev = NULL;
1057         const struct device_hotplug_ops *ops;
1058
1059         iface = container_of(obj, struct interface, ubus);
1060         dev = iface->main_dev.dev;
1061         if (!dev)
1062                 goto out;
1063
1064         ops = dev->hotplug_ops;
1065         if (!ops)
1066                 goto out;
1067
1068         ops->prepare(dev, &bridge_dev);
1069
1070 out:
1071         blob_buf_init(&b, 0);
1072         if (bridge_dev)
1073                 blobmsg_add_string(&b, "bridge", bridge_dev->ifname);
1074         ubus_send_reply(ctx, req, b.head);
1075
1076         return 0;
1077 }
1078
1079 static int
1080 netifd_handle_set_data(struct ubus_context *ctx, struct ubus_object *obj,
1081                        struct ubus_request_data *req, const char *method,
1082                        struct blob_attr *msg)
1083 {
1084         struct interface *iface;
1085
1086         iface = container_of(obj, struct interface, ubus);
1087
1088         return interface_parse_data(iface, msg);
1089 }
1090
1091 static struct ubus_method iface_object_methods[] = {
1092         { .name = "up", .handler = netifd_handle_up },
1093         { .name = "down", .handler = netifd_handle_down },
1094         { .name = "renew", .handler = netifd_handle_renew },
1095         { .name = "status", .handler = netifd_handle_status },
1096         { .name = "prepare", .handler = netifd_handle_iface_prepare },
1097         { .name = "dump", .handler = netifd_handle_dump },
1098         UBUS_METHOD("add_device", netifd_iface_handle_device, dev_link_policy ),
1099         UBUS_METHOD("remove_device", netifd_iface_handle_device, dev_link_policy ),
1100         { .name = "notify_proto", .handler = netifd_iface_notify_proto },
1101         { .name = "remove", .handler = netifd_iface_remove },
1102         { .name = "set_data", .handler = netifd_handle_set_data },
1103 };
1104
1105 static struct ubus_object_type iface_object_type =
1106         UBUS_OBJECT_TYPE("netifd_iface", iface_object_methods);
1107
1108
1109 static struct ubus_object iface_object = {
1110         .name = "network.interface",
1111         .type = &iface_object_type,
1112         .n_methods = ARRAY_SIZE(iface_object_methods),
1113 };
1114
1115 static void netifd_add_object(struct ubus_object *obj)
1116 {
1117         int ret = ubus_add_object(ubus_ctx, obj);
1118
1119         if (ret != 0)
1120                 fprintf(stderr, "Failed to publish object '%s': %s\n", obj->name, ubus_strerror(ret));
1121 }
1122
1123 static const struct blobmsg_policy iface_policy = {
1124         .name = "interface",
1125         .type = BLOBMSG_TYPE_STRING,
1126 };
1127
1128 static int
1129 netifd_handle_iface(struct ubus_context *ctx, struct ubus_object *obj,
1130                     struct ubus_request_data *req, const char *method,
1131                     struct blob_attr *msg)
1132 {
1133         struct interface *iface;
1134         struct blob_attr *tb;
1135         size_t i;
1136
1137         blobmsg_parse(&iface_policy, 1, &tb, blob_data(msg), blob_len(msg));
1138         if (!tb)
1139                 return UBUS_STATUS_INVALID_ARGUMENT;
1140
1141         iface = vlist_find(&interfaces, blobmsg_data(tb), iface, node);
1142         if (!iface)
1143                 return UBUS_STATUS_NOT_FOUND;
1144
1145         for (i = 0; i < ARRAY_SIZE(iface_object_methods); i++) {
1146                 ubus_handler_t cb;
1147
1148                 if (strcmp(method, iface_object_methods[i].name) != 0)
1149                         continue;
1150
1151                 cb = iface_object_methods[i].handler;
1152                 return cb(ctx, &iface->ubus, req, method, msg);
1153         }
1154
1155         return UBUS_STATUS_INVALID_ARGUMENT;
1156 }
1157
1158 static void netifd_add_iface_object(void)
1159 {
1160         struct ubus_method *methods;
1161         size_t i;
1162
1163         methods = calloc(1, sizeof(iface_object_methods));
1164         if (!methods)
1165                 return;
1166
1167         memcpy(methods, iface_object_methods, sizeof(iface_object_methods));
1168         iface_object.methods = methods;
1169
1170         for (i = 0; i < ARRAY_SIZE(iface_object_methods); i++) {
1171                 if (methods[i].handler == netifd_handle_dump)
1172                         continue;
1173
1174                 methods[i].handler = netifd_handle_iface;
1175                 methods[i].policy = &iface_policy;
1176                 methods[i].n_policy = 1;
1177         }
1178         netifd_add_object(&iface_object);
1179 }
1180
1181 static struct wireless_device *
1182 get_wdev(struct blob_attr *msg, int *ret)
1183 {
1184         struct blobmsg_policy wdev_policy = {
1185                 .name = "device",
1186                 .type = BLOBMSG_TYPE_STRING,
1187         };
1188         struct blob_attr *dev_attr;
1189         struct wireless_device *wdev = NULL;
1190
1191
1192         blobmsg_parse(&wdev_policy, 1, &dev_attr, blob_data(msg), blob_len(msg));
1193         if (!dev_attr) {
1194                 *ret = UBUS_STATUS_INVALID_ARGUMENT;
1195                 return NULL;
1196         }
1197
1198         wdev = vlist_find(&wireless_devices, blobmsg_data(dev_attr), wdev, node);
1199         if (!wdev) {
1200                 *ret = UBUS_STATUS_NOT_FOUND;
1201                 return NULL;
1202         }
1203
1204         *ret = 0;
1205         return wdev;
1206 }
1207
1208 static int
1209 netifd_handle_wdev_reconf(struct ubus_context *ctx, struct ubus_object *obj,
1210                           struct ubus_request_data *req, const char *method,
1211                           struct blob_attr *msg)
1212 {
1213         struct wireless_device *wdev;
1214         int ret;
1215
1216         wdev = get_wdev(msg, &ret);
1217         if (ret == UBUS_STATUS_NOT_FOUND)
1218                 return ret;
1219
1220         if (wdev) {
1221                 wireless_device_reconf(wdev);
1222         } else {
1223                 vlist_for_each_element(&wireless_devices, wdev, node)
1224                         wireless_device_reconf(wdev);
1225         }
1226
1227         return 0;
1228 }
1229
1230 static int
1231 netifd_handle_wdev_up(struct ubus_context *ctx, struct ubus_object *obj,
1232                       struct ubus_request_data *req, const char *method,
1233                       struct blob_attr *msg)
1234 {
1235         struct wireless_device *wdev;
1236         int ret;
1237
1238         wdev = get_wdev(msg, &ret);
1239         if (ret == UBUS_STATUS_NOT_FOUND)
1240                 return ret;
1241
1242         if (wdev) {
1243                 wireless_device_set_up(wdev);
1244         } else {
1245                 vlist_for_each_element(&wireless_devices, wdev, node)
1246                         wireless_device_set_up(wdev);
1247         }
1248
1249         return 0;
1250 }
1251
1252 static int
1253 netifd_handle_wdev_down(struct ubus_context *ctx, struct ubus_object *obj,
1254                         struct ubus_request_data *req, const char *method,
1255                         struct blob_attr *msg)
1256 {
1257         struct wireless_device *wdev;
1258         int ret;
1259
1260         wdev = get_wdev(msg, &ret);
1261         if (ret == UBUS_STATUS_NOT_FOUND)
1262                 return ret;
1263
1264         if (wdev) {
1265                 wireless_device_set_down(wdev);
1266         } else {
1267                 vlist_for_each_element(&wireless_devices, wdev, node)
1268                         wireless_device_set_down(wdev);
1269         }
1270
1271         return 0;
1272 }
1273
1274 static int
1275 netifd_handle_wdev_status(struct ubus_context *ctx, struct ubus_object *obj,
1276                           struct ubus_request_data *req, const char *method,
1277                           struct blob_attr *msg)
1278 {
1279         struct wireless_device *wdev;
1280         int ret;
1281
1282         wdev = get_wdev(msg, &ret);
1283         if (ret == UBUS_STATUS_NOT_FOUND)
1284                 return ret;
1285
1286         blob_buf_init(&b, 0);
1287         if (wdev) {
1288                 wireless_device_status(wdev, &b);
1289         } else {
1290                 vlist_for_each_element(&wireless_devices, wdev, node)
1291                         wireless_device_status(wdev, &b);
1292         }
1293         ubus_send_reply(ctx, req, b.head);
1294         return 0;
1295 }
1296
1297 static int
1298 netifd_handle_wdev_get_validate(struct ubus_context *ctx, struct ubus_object *obj,
1299                           struct ubus_request_data *req, const char *method,
1300                           struct blob_attr *msg)
1301 {
1302         struct wireless_device *wdev;
1303         int ret;
1304
1305         wdev = get_wdev(msg, &ret);
1306         if (ret == UBUS_STATUS_NOT_FOUND)
1307                 return ret;
1308
1309         blob_buf_init(&b, 0);
1310         if (wdev) {
1311                 wireless_device_get_validate(wdev, &b);
1312         } else {
1313                 vlist_for_each_element(&wireless_devices, wdev, node)
1314                         wireless_device_get_validate(wdev, &b);
1315         }
1316         ubus_send_reply(ctx, req, b.head);
1317         return 0;
1318 }
1319
1320 static int
1321 netifd_handle_wdev_notify(struct ubus_context *ctx, struct ubus_object *obj,
1322                           struct ubus_request_data *req, const char *method,
1323                           struct blob_attr *msg)
1324 {
1325         struct wireless_device *wdev;
1326         int ret;
1327
1328         wdev = get_wdev(msg, &ret);
1329         if (!wdev)
1330                 return ret;
1331
1332         return wireless_device_notify(wdev, msg, req);
1333 }
1334
1335 static struct ubus_method wireless_object_methods[] = {
1336         { .name = "up", .handler = netifd_handle_wdev_up },
1337         { .name = "down", .handler = netifd_handle_wdev_down },
1338         { .name = "reconf", .handler = netifd_handle_wdev_reconf },
1339         { .name = "status", .handler = netifd_handle_wdev_status },
1340         { .name = "notify", .handler = netifd_handle_wdev_notify },
1341         { .name = "get_validate", .handler = netifd_handle_wdev_get_validate },
1342 };
1343
1344 static struct ubus_object_type wireless_object_type =
1345         UBUS_OBJECT_TYPE("netifd_iface", wireless_object_methods);
1346
1347
1348 static struct ubus_object wireless_object = {
1349         .name = "network.wireless",
1350         .type = &wireless_object_type,
1351         .methods = wireless_object_methods,
1352         .n_methods = ARRAY_SIZE(wireless_object_methods),
1353 };
1354
1355 int
1356 netifd_extdev_invoke(uint32_t id, const char *method, struct blob_attr *msg,
1357          ubus_data_handler_t data_cb, void *data)
1358 {
1359         return ubus_invoke(ubus_ctx, id, method, msg, data_cb, data, 3000);
1360 }
1361
1362 int
1363 netifd_ubus_init(const char *path)
1364 {
1365         uloop_init();
1366         ubus_path = path;
1367
1368         ubus_ctx = ubus_connect(path);
1369         if (!ubus_ctx)
1370                 return -EIO;
1371
1372         DPRINTF("connected as %08x\n", ubus_ctx->local_id);
1373         ubus_ctx->connection_lost = netifd_ubus_connection_lost;
1374         netifd_ubus_add_fd();
1375
1376         netifd_add_object(&main_object);
1377         netifd_add_object(&dev_object);
1378         netifd_add_object(&wireless_object);
1379         netifd_add_iface_object();
1380
1381         return 0;
1382 }
1383
1384 void
1385 netifd_ubus_done(void)
1386 {
1387         ubus_free(ubus_ctx);
1388 }
1389
1390 void
1391 netifd_ubus_interface_event(struct interface *iface, bool up)
1392 {
1393         blob_buf_init(&b, 0);
1394         blobmsg_add_string(&b, "action", up ? "ifup" : "ifdown");
1395         blobmsg_add_string(&b, "interface", iface->name);
1396         ubus_send_event(ubus_ctx, "network.interface", b.head);
1397 }
1398
1399 void
1400 netifd_ubus_interface_notify(struct interface *iface, bool up)
1401 {
1402         const char *event = (up) ? "interface.update" : "interface.down";
1403         blob_buf_init(&b, 0);
1404         blobmsg_add_string(&b, "interface", iface->name);
1405         netifd_dump_status(iface);
1406         ubus_notify(ubus_ctx, &iface_object, event, b.head, -1);
1407         ubus_notify(ubus_ctx, &iface->ubus, event, b.head, -1);
1408 }
1409
1410 void
1411 netifd_ubus_add_interface(struct interface *iface)
1412 {
1413         struct ubus_object *obj = &iface->ubus;
1414         char *name = NULL;
1415
1416         if (asprintf(&name, "%s.interface.%s", main_object.name, iface->name) == -1)
1417                 return;
1418
1419         obj->name = name;
1420         obj->type = &iface_object_type;
1421         obj->methods = iface_object_methods;
1422         obj->n_methods = ARRAY_SIZE(iface_object_methods);
1423         if (ubus_add_object(ubus_ctx, &iface->ubus)) {
1424                 DPRINTF("failed to publish ubus object for interface '%s'\n", iface->name);
1425                 free(name);
1426                 obj->name = NULL;
1427         }
1428 }
1429
1430 void
1431 netifd_ubus_remove_interface(struct interface *iface)
1432 {
1433         if (!iface->ubus.name)
1434                 return;
1435
1436         ubus_remove_object(ubus_ctx, &iface->ubus);
1437         free((void *) iface->ubus.name);
1438 }