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 #include <udebug.h>
  20
  21 #include "netifd.h"
  22 #include "interface.h"
  23 #include "proto.h"
  24 #include "ubus.h"
  25 #include "system.h"
  26 #include "wireless.h"
  27
  28 struct ubus_context *ubus_ctx = NULL;
  29 static struct blob_buf b;
  30 static const char *ubus_path;
  31 static struct udebug_ubus udebug;
  32
  33 /* global object */
  34
  35 static int
  36 netifd_handle_restart(struct ubus_context *ctx, struct ubus_object *obj,
  37                       struct ubus_request_data *req, const char *method,
  38                       struct blob_attr *msg)
  39 {
  40         netifd_restart();
  41         return 0;
  42 }
  43
  44 static int
  45 netifd_handle_reload(struct ubus_context *ctx, struct ubus_object *obj,
  46                      struct ubus_request_data *req, const char *method,
  47                      struct blob_attr *msg)
  48 {
  49         if (netifd_reload())
  50                 return UBUS_STATUS_NOT_FOUND;
  51
  52         return UBUS_STATUS_OK;
  53 }
  54
  55 enum {
  56         HR_TARGET,
  57         HR_V6,
  58         HR_INTERFACE,
  59         HR_EXCLUDE,
  60         __HR_MAX
  61 };
  62
  63 static const struct blobmsg_policy route_policy[__HR_MAX] = {
  64         [HR_TARGET] = { .name = "target", .type = BLOBMSG_TYPE_STRING },
  65         [HR_V6] = { .name = "v6", .type = BLOBMSG_TYPE_BOOL },
  66         [HR_INTERFACE] = { .name = "interface", .type = BLOBMSG_TYPE_STRING },
  67         [HR_EXCLUDE] = { .name = "exclude", .type = BLOBMSG_TYPE_BOOL },
  68 };
  69
  70 static int
  71 netifd_add_host_route(struct ubus_context *ctx, struct ubus_object *obj,
  72                       struct ubus_request_data *req, const char *method,
  73                       struct blob_attr *msg)
  74 {
  75         struct blob_attr *tb[__HR_MAX];
  76         struct interface *iface = NULL;
  77         union if_addr a;
  78         bool v6 = false;
  79         bool exclude = false;
  80
  81         blobmsg_parse(route_policy, __HR_MAX, tb, blob_data(msg), blob_len(msg));
  82         if (!tb[HR_TARGET])
  83                 return UBUS_STATUS_INVALID_ARGUMENT;
  84
  85         if (tb[HR_V6])
  86                 v6 = blobmsg_get_bool(tb[HR_V6]);
  87
  88         if (tb[HR_EXCLUDE])
  89                 exclude = blobmsg_get_bool(tb[HR_EXCLUDE]);
  90
  91         if (tb[HR_INTERFACE])
  92                 iface = vlist_find(&interfaces, blobmsg_data(tb[HR_INTERFACE]), iface, node);
  93
  94         memset(&a, 0, sizeof(a));
  95         if (!inet_pton(v6 ? AF_INET6 : AF_INET, blobmsg_data(tb[HR_TARGET]), &a))
  96                 return UBUS_STATUS_INVALID_ARGUMENT;
  97
  98         iface = interface_ip_add_target_route(&a, v6, iface, exclude);
  99         if (!iface)
 100                 return UBUS_STATUS_NOT_FOUND;
 101
 102         blob_buf_init(&b, 0);
 103         blobmsg_add_string(&b, "interface", iface->name);
 104         ubus_send_reply(ctx, req, b.head);
 105
 106         return 0;
 107 }
 108
 109 static int
 110 netifd_get_proto_handlers(struct ubus_context *ctx, struct ubus_object *obj,
 111                           struct ubus_request_data *req, const char *method,
 112                           struct blob_attr *msg)
 113 {
 114         blob_buf_init(&b, 0);
 115         proto_dump_handlers(&b);
 116         ubus_send_reply(ctx, req, b.head);
 117
 118         return 0;
 119 }
 120
 121
 122 enum {
 123         DI_NAME,
 124         __DI_MAX
 125 };
 126
 127 static const struct blobmsg_policy dynamic_policy[__DI_MAX] = {
 128         [DI_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
 129 };
 130
 131 static int
 132 netifd_add_dynamic(struct ubus_context *ctx, struct ubus_object *obj,
 133                       struct ubus_request_data *req, const char *method,
 134                       struct blob_attr *msg)
 135 {
 136         struct blob_attr *tb[__DI_MAX];
 137         struct interface *iface;
 138         struct blob_attr *config;
 139
 140         blobmsg_parse(dynamic_policy, __DI_MAX, tb, blob_data(msg), blob_len(msg));
 141
 142         if (!tb[DI_NAME])
 143                 return UBUS_STATUS_INVALID_ARGUMENT;
 144
 145         const char *name = blobmsg_get_string(tb[DI_NAME]);
 146
 147         iface = interface_alloc(name, msg, true);
 148         if (!iface)
 149                 return UBUS_STATUS_UNKNOWN_ERROR;
 150
 151         config = blob_memdup(msg);
 152         if (!config)
 153                 goto error;
 154
 155         if (!interface_add(iface, config))
 156                 goto error_free_config;
 157
 158         return UBUS_STATUS_OK;
 159
 160 error_free_config:
 161         free(config);
 162 error:
 163         free(iface);
 164         return UBUS_STATUS_UNKNOWN_ERROR;
 165 }
 166
 167 enum {
 168         NETNS_UPDOWN_JAIL,
 169         NETNS_UPDOWN_START,
 170         __NETNS_UPDOWN_MAX
 171 };
 172
 173 static const struct blobmsg_policy netns_updown_policy[__NETNS_UPDOWN_MAX] = {
 174         [NETNS_UPDOWN_JAIL] = { .name = "jail", .type = BLOBMSG_TYPE_STRING },
 175         [NETNS_UPDOWN_START] = { .name = "start", .type = BLOBMSG_TYPE_BOOL },
 176 };
 177
 178 static int
 179 netifd_netns_updown(struct ubus_context *ctx, struct ubus_object *obj,
 180                   struct ubus_request_data *req, const char *method,
 181                   struct blob_attr *msg)
 182 {
 183         int target_netns_fd = ubus_request_get_caller_fd(req);
 184         struct blob_attr *tb[__NETNS_UPDOWN_MAX];
 185         bool start;
 186
 187         if (target_netns_fd < 0)
 188                 return UBUS_STATUS_INVALID_ARGUMENT;
 189
 190         blobmsg_parse(netns_updown_policy, __NETNS_UPDOWN_MAX, tb, blob_data(msg), blob_len(msg));
 191
 192         start = tb[NETNS_UPDOWN_START] && blobmsg_get_bool(tb[NETNS_UPDOWN_START]);
 193
 194         if (start) {
 195                 if (!tb[NETNS_UPDOWN_JAIL])
 196                         return UBUS_STATUS_INVALID_ARGUMENT;
 197
 198                 interface_start_jail(target_netns_fd, blobmsg_get_string(tb[NETNS_UPDOWN_JAIL]));
 199         } else {
 200                 interface_stop_jail(target_netns_fd);
 201         }
 202         close(target_netns_fd);
 203
 204         return UBUS_STATUS_OK;
 205 }
 206
 207 static struct ubus_method main_object_methods[] = {
 208         { .name = "restart", .handler = netifd_handle_restart },
 209         { .name = "reload", .handler = netifd_handle_reload },
 210         UBUS_METHOD("add_host_route", netifd_add_host_route, route_policy),
 211         { .name = "get_proto_handlers", .handler = netifd_get_proto_handlers },
 212         UBUS_METHOD("add_dynamic", netifd_add_dynamic, dynamic_policy),
 213         UBUS_METHOD("netns_updown", netifd_netns_updown, netns_updown_policy),
 214 };
 215
 216 static struct ubus_object_type main_object_type =
 217         UBUS_OBJECT_TYPE("netifd", main_object_methods);
 218
 219 static struct ubus_object main_object = {
 220         .name = "network",
 221         .type = &main_object_type,
 222         .methods = main_object_methods,
 223         .n_methods = ARRAY_SIZE(main_object_methods),
 224 };
 225
 226 enum {
 227         DEV_NAME,
 228         __DEV_MAX,
 229 };
 230
 231 static const struct blobmsg_policy dev_policy[__DEV_MAX] = {
 232         [DEV_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
 233 };
 234
 235 static int
 236 netifd_dev_status(struct ubus_context *ctx, struct ubus_object *obj,
 237                   struct ubus_request_data *req, const char *method,
 238                   struct blob_attr *msg)
 239 {
 240         struct device *dev = NULL;
 241         struct blob_attr *tb[__DEV_MAX];
 242
 243         blobmsg_parse(dev_policy, __DEV_MAX, tb, blob_data(msg), blob_len(msg));
 244
 245         if (tb[DEV_NAME]) {
 246                 dev = device_find(blobmsg_data(tb[DEV_NAME]));
 247                 if (!dev)
 248                         return UBUS_STATUS_INVALID_ARGUMENT;
 249         }
 250
 251         blob_buf_init(&b, 0);
 252         device_dump_status(&b, dev);
 253         ubus_send_reply(ctx, req, b.head);
 254
 255         return 0;
 256 }
 257
 258 enum {
 259         ALIAS_ATTR_ALIAS,
 260         ALIAS_ATTR_DEV,
 261         __ALIAS_ATTR_MAX,
 262 };
 263
 264 static const struct blobmsg_policy alias_attrs[__ALIAS_ATTR_MAX] = {
 265         [ALIAS_ATTR_ALIAS] = { "alias", BLOBMSG_TYPE_ARRAY },
 266         [ALIAS_ATTR_DEV] = { "device", BLOBMSG_TYPE_STRING },
 267 };
 268
 269 static int
 270 netifd_handle_alias(struct ubus_context *ctx, struct ubus_object *obj,
 271                     struct ubus_request_data *req, const char *method,
 272                     struct blob_attr *msg)
 273 {
 274         struct device *dev = NULL;
 275         struct blob_attr *tb[__ALIAS_ATTR_MAX];
 276         struct blob_attr *cur;
 277         size_t rem;
 278
 279         blobmsg_parse(alias_attrs, __ALIAS_ATTR_MAX, tb, blob_data(msg), blob_len(msg));
 280
 281         if (!tb[ALIAS_ATTR_ALIAS])
 282                 return UBUS_STATUS_INVALID_ARGUMENT;
 283
 284         if ((cur = tb[ALIAS_ATTR_DEV]) != NULL) {
 285                 dev = device_get(blobmsg_data(cur), true);
 286                 if (!dev)
 287                         return UBUS_STATUS_NOT_FOUND;
 288         }
 289
 290         blobmsg_for_each_attr(cur, tb[ALIAS_ATTR_ALIAS], rem) {
 291                 if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING)
 292                         goto error;
 293
 294                 if (!blobmsg_check_attr(cur, false))
 295                         goto error;
 296
 297                 alias_notify_device(blobmsg_data(cur), dev);
 298         }
 299         return 0;
 300
 301 error:
 302         device_free_unused();
 303         return UBUS_STATUS_INVALID_ARGUMENT;
 304 }
 305
 306 enum {
 307         DEV_STATE_NAME,
 308         DEV_STATE_DEFER,
 309         DEV_STATE_AUTH_STATUS,
 310         DEV_STATE_AUTH_VLANS,
 311         __DEV_STATE_MAX,
 312 };
 313
 314 static const struct blobmsg_policy dev_state_policy[__DEV_STATE_MAX] = {
 315         [DEV_STATE_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
 316         [DEV_STATE_DEFER] = { .name = "defer", .type = BLOBMSG_TYPE_BOOL },
 317         [DEV_STATE_AUTH_STATUS] = { .name = "auth_status", .type = BLOBMSG_TYPE_BOOL },
 318         [DEV_STATE_AUTH_VLANS] = { .name = "auth_vlans", BLOBMSG_TYPE_ARRAY },
 319 };
 320
 321 static int
 322 netifd_handle_set_state(struct ubus_context *ctx, struct ubus_object *obj,
 323                         struct ubus_request_data *req, const char *method,
 324                         struct blob_attr *msg)
 325 {
 326         struct device *dev = NULL;
 327         struct blob_attr *tb[__DEV_STATE_MAX];
 328         struct blob_attr *cur;
 329         bool auth_status;
 330
 331         blobmsg_parse(dev_state_policy, __DEV_STATE_MAX, tb, blob_data(msg), blob_len(msg));
 332
 333         cur = tb[DEV_STATE_NAME];
 334         if (!cur)
 335                 return UBUS_STATUS_INVALID_ARGUMENT;
 336
 337         dev = device_find(blobmsg_data(cur));
 338         if (!dev)
 339                 return UBUS_STATUS_NOT_FOUND;
 340
 341         cur = tb[DEV_STATE_DEFER];
 342         if (cur)
 343                 device_set_deferred(dev, !!blobmsg_get_u8(cur));
 344
 345         if ((cur = tb[DEV_STATE_AUTH_STATUS]) != NULL)
 346                 auth_status = blobmsg_get_bool(cur);
 347         else
 348                 auth_status = dev->auth_status;
 349         if (tb[DEV_STATE_AUTH_STATUS] || tb[DEV_STATE_AUTH_VLANS])
 350                 device_set_auth_status(dev, auth_status, tb[DEV_STATE_AUTH_VLANS]);
 351
 352         return 0;
 353 }
 354
 355 #ifdef DUMMY_MODE
 356 enum {
 357     DEV_HOTPLUG_ATTR_NAME,
 358     DEV_HOTPLUG_ATTR_ADD,
 359     __DEV_HOTPLUG_ATTR_MAX,
 360 };
 361
 362 static const struct blobmsg_policy dev_hotplug_policy[__DEV_HOTPLUG_ATTR_MAX] = {
 363     [DEV_HOTPLUG_ATTR_NAME] = { "name", BLOBMSG_TYPE_STRING },
 364     [DEV_HOTPLUG_ATTR_ADD] = { "add", BLOBMSG_TYPE_BOOL },
 365 };
 366
 367 static int
 368 netifd_handle_dev_hotplug(struct ubus_context *ctx, struct ubus_object *obj,
 369                           struct ubus_request_data *req, const char *method,
 370                           struct blob_attr *msg)
 371 {
 372         struct blob_attr *tb[__DEV_HOTPLUG_ATTR_MAX];
 373         const char *name;
 374
 375         blobmsg_parse(dev_hotplug_policy, __DEV_HOTPLUG_ATTR_MAX, tb,
 376                       blob_data(msg), blob_len(msg));
 377
 378         if (!tb[DEV_HOTPLUG_ATTR_NAME] || !tb[DEV_HOTPLUG_ATTR_ADD])
 379                 return UBUS_STATUS_INVALID_ARGUMENT;
 380
 381         name = blobmsg_get_string(tb[DEV_HOTPLUG_ATTR_NAME]);
 382         device_hotplug_event(name, blobmsg_get_bool(tb[DEV_HOTPLUG_ATTR_ADD]));
 383
 384         return 0;
 385 }
 386 #endif
 387
 388 static int
 389 netifd_handle_stp_init(struct ubus_context *ctx, struct ubus_object *obj,
 390                        struct ubus_request_data *req, const char *method,
 391                        struct blob_attr *msg)
 392 {
 393         device_stp_init();
 394
 395         return 0;
 396 }
 397
 398 static struct ubus_method dev_object_methods[] = {
 399         UBUS_METHOD("status", netifd_dev_status, dev_policy),
 400         UBUS_METHOD("set_alias", netifd_handle_alias, alias_attrs),
 401         UBUS_METHOD("set_state", netifd_handle_set_state, dev_state_policy),
 402 #ifdef DUMMY_MODE
 403         UBUS_METHOD("hotplug_event", netifd_handle_dev_hotplug, dev_hotplug_policy),
 404 #endif
 405         UBUS_METHOD_NOARG("stp_init", netifd_handle_stp_init)
 406 };
 407
 408 static struct ubus_object_type dev_object_type =
 409         UBUS_OBJECT_TYPE("device", dev_object_methods);
 410
 411 static struct ubus_object dev_object = {
 412         .name = "network.device",
 413         .type = &dev_object_type,
 414         .methods = dev_object_methods,
 415         .n_methods = ARRAY_SIZE(dev_object_methods),
 416 };
 417
 418 static void
 419 netifd_ubus_add_fd(void)
 420 {
 421         ubus_add_uloop(ubus_ctx);
 422         system_fd_set_cloexec(ubus_ctx->sock.fd);
 423 }
 424
 425 void netifd_ubus_device_notify(const char *event, struct blob_attr *data, int timeout)
 426 {
 427         ubus_notify(ubus_ctx, &dev_object, event, data, timeout);
 428 }
 429
 430 static void
 431 netifd_ubus_reconnect_timer(struct uloop_timeout *timeout)
 432 {
 433         static struct uloop_timeout retry = {
 434                 .cb = netifd_ubus_reconnect_timer,
 435         };
 436         int t = 2;
 437
 438         if (ubus_reconnect(ubus_ctx, ubus_path) != 0) {
 439                 D(SYSTEM, "failed to reconnect, trying again in %d seconds\n", t);
 440                 uloop_timeout_set(&retry, t * 1000);
 441                 return;
 442         }
 443
 444         D(SYSTEM, "reconnected to ubus, new id: %08x\n", ubus_ctx->local_id);
 445         netifd_ubus_add_fd();
 446 }
 447
 448 static void
 449 netifd_ubus_connection_lost(struct ubus_context *ctx)
 450 {
 451         netifd_ubus_reconnect_timer(NULL);
 452 }
 453
 454 /* per-interface object */
 455
 456 static int
 457 netifd_handle_up(struct ubus_context *ctx, struct ubus_object *obj,
 458                  struct ubus_request_data *req, const char *method,
 459                  struct blob_attr *msg)
 460 {
 461         struct interface *iface;
 462
 463         iface = container_of(obj, struct interface, ubus);
 464         interface_set_up(iface);
 465
 466         return 0;
 467 }
 468
 469 static int
 470 netifd_handle_down(struct ubus_context *ctx, struct ubus_object *obj,
 471                    struct ubus_request_data *req, const char *method,
 472                    struct blob_attr *msg)
 473 {
 474         struct interface *iface;
 475
 476         iface = container_of(obj, struct interface, ubus);
 477         interface_set_down(iface);
 478
 479         return 0;
 480 }
 481
 482 static int
 483 netifd_handle_renew(struct ubus_context *ctx, struct ubus_object *obj,
 484                    struct ubus_request_data *req, const char *method,
 485                    struct blob_attr *msg)
 486 {
 487         struct interface *iface;
 488
 489         iface = container_of(obj, struct interface, ubus);
 490         interface_renew(iface);
 491
 492         return 0;
 493 }
 494
 495 static void
 496 netifd_add_interface_errors(struct blob_buf *b, struct interface *iface)
 497 {
 498         struct interface_error *error;
 499         void *e, *e2, *e3;
 500         int i;
 501
 502         e = blobmsg_open_array(b, "errors");
 503         list_for_each_entry(error, &iface->errors, list) {
 504                 e2 = blobmsg_open_table(b, NULL);
 505
 506                 blobmsg_add_string(b, "subsystem", error->subsystem);
 507                 blobmsg_add_string(b, "code", error->code);
 508                 if (error->data[0]) {
 509                         e3 = blobmsg_open_array(b, "data");
 510                         for (i = 0; error->data[i]; i++)
 511                                 blobmsg_add_string(b, NULL, error->data[i]);
 512                         blobmsg_close_array(b, e3);
 513                 }
 514
 515                 blobmsg_close_table(b, e2);
 516         }
 517         blobmsg_close_array(b, e);
 518 }
 519
 520 static void
 521 interface_ip_dump_address_list(struct interface_ip_settings *ip, bool v6, bool enabled)
 522 {
 523         struct device_addr *addr;
 524         char *buf;
 525         void *a;
 526         int buflen = 128;
 527         int af;
 528
 529         time_t now = system_get_rtime();
 530         vlist_for_each_element(&ip->addr, addr, node) {
 531                 if (addr->enabled != enabled)
 532                         continue;
 533
 534                 if ((addr->flags & DEVADDR_FAMILY) == DEVADDR_INET4)
 535                         af = AF_INET;
 536                 else
 537                         af = AF_INET6;
 538
 539                 if (af != (v6 ? AF_INET6 : AF_INET))
 540                         continue;
 541
 542                 a = blobmsg_open_table(&b, NULL);
 543
 544                 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
 545                 inet_ntop(af, &addr->addr, buf, buflen);
 546                 blobmsg_add_string_buffer(&b);
 547
 548                 blobmsg_add_u32(&b, "mask", addr->mask);
 549
 550                 if (addr->point_to_point) {
 551                         buf = blobmsg_alloc_string_buffer(&b, "ptpaddress", buflen);
 552                         inet_ntop(af, &addr->point_to_point, buf, buflen);
 553                         blobmsg_add_string_buffer(&b);
 554                 }
 555
 556                 if (addr->preferred_until) {
 557                         int preferred = addr->preferred_until - now;
 558                         if (preferred < 0)
 559                                 preferred = 0;
 560                         blobmsg_add_u32(&b, "preferred", preferred);
 561                 }
 562
 563                 if (addr->valid_until)
 564                         blobmsg_add_u32(&b, "valid", addr->valid_until - now);
 565
 566                 if (addr->pclass)
 567                         blobmsg_add_string(&b, "class", addr->pclass);
 568
 569                 blobmsg_close_table(&b, a);
 570         }
 571 }
 572
 573 static void
 574 interface_ip_dump_neighbor_list(struct interface_ip_settings *ip, bool enabled)
 575 {
 576         struct device_neighbor *neighbor;
 577         int buflen = 128;
 578         char *buf;
 579         void *r;
 580         int af;
 581
 582         vlist_for_each_element(&ip->neighbor, neighbor, node) {
 583                 if (neighbor->enabled != enabled)
 584                         continue;
 585
 586                 if ((neighbor->flags & DEVADDR_FAMILY) == DEVADDR_INET4)
 587                         af = AF_INET;
 588                 else
 589                         af = AF_INET6;
 590
 591                 r = blobmsg_open_table(&b, NULL);
 592
 593                 if (neighbor->flags & DEVNEIGH_MAC)
 594                         blobmsg_add_string(&b, "mac", format_macaddr(neighbor->macaddr));
 595
 596                 buf = blobmsg_alloc_string_buffer(&b , "address", buflen);
 597                 inet_ntop(af, &neighbor->addr, buf, buflen);
 598                 blobmsg_add_string_buffer(&b);
 599
 600                 if (neighbor->proxy)
 601                         blobmsg_add_u32(&b, "proxy", neighbor->proxy);
 602
 603                 if (neighbor->router)
 604                         blobmsg_add_u32(&b, "router", neighbor->router);
 605
 606                 blobmsg_close_table(&b, r);
 607         }
 608 }
 609
 610 static void
 611 interface_ip_dump_route_list(struct interface_ip_settings *ip, bool enabled)
 612 {
 613         struct device_route *route;
 614         int buflen = 128;
 615         char *buf;
 616         void *r;
 617         int af;
 618
 619         time_t now = system_get_rtime();
 620         vlist_for_each_element(&ip->route, route, node) {
 621                 if (route->enabled != enabled)
 622                         continue;
 623
 624                 if ((ip->no_defaultroute == enabled) && !route->mask)
 625                         continue;
 626
 627                 if ((route->flags & DEVADDR_FAMILY) == DEVADDR_INET4)
 628                         af = AF_INET;
 629                 else
 630                         af = AF_INET6;
 631
 632                 r = blobmsg_open_table(&b, NULL);
 633
 634                 buf = blobmsg_alloc_string_buffer(&b, "target", buflen);
 635                 inet_ntop(af, &route->addr, buf, buflen);
 636                 blobmsg_add_string_buffer(&b);
 637
 638                 blobmsg_add_u32(&b, "mask", route->mask);
 639
 640                 buf = blobmsg_alloc_string_buffer(&b, "nexthop", buflen);
 641                 inet_ntop(af, &route->nexthop, buf, buflen);
 642                 blobmsg_add_string_buffer(&b);
 643
 644                 if (route->flags & DEVROUTE_TYPE)
 645                         blobmsg_add_u32(&b, "type", route->type);
 646
 647                 if (route->flags & DEVROUTE_PROTO)
 648                         blobmsg_add_u32(&b, "proto", route->proto);
 649
 650                 if (route->flags & DEVROUTE_MTU)
 651                         blobmsg_add_u32(&b, "mtu", route->mtu);
 652
 653                 if (route->flags & DEVROUTE_METRIC)
 654                         blobmsg_add_u32(&b, "metric", route->metric);
 655
 656                 if (route->flags & DEVROUTE_TABLE)
 657                         blobmsg_add_u32(&b, "table", route->table);
 658
 659                 if (route->valid_until)
 660                         blobmsg_add_u32(&b, "valid", route->valid_until - now);
 661
 662                 buf = blobmsg_alloc_string_buffer(&b, "source", buflen);
 663                 inet_ntop(af, &route->source, buf, buflen);
 664                 snprintf(buf + strlen(buf), buflen - strlen(buf), "/%u", route->sourcemask);
 665                 blobmsg_add_string_buffer(&b);
 666
 667                 blobmsg_close_table(&b, r);
 668         }
 669 }
 670
 671
 672 static void
 673 interface_ip_dump_prefix_list(struct interface_ip_settings *ip)
 674 {
 675         struct device_prefix *prefix;
 676         char *buf;
 677         void *a, *c;
 678         const int buflen = INET6_ADDRSTRLEN;
 679
 680         time_t now = system_get_rtime();
 681         vlist_for_each_element(&ip->prefix, prefix, node) {
 682                 a = blobmsg_open_table(&b, NULL);
 683
 684                 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
 685                 inet_ntop(AF_INET6, &prefix->addr, buf, buflen);
 686                 blobmsg_add_string_buffer(&b);
 687
 688                 blobmsg_add_u32(&b, "mask", prefix->length);
 689
 690                 if (prefix->preferred_until) {
 691                         int preferred = prefix->preferred_until - now;
 692                         if (preferred < 0)
 693                                 preferred = 0;
 694                         blobmsg_add_u32(&b, "preferred", preferred);
 695                 }
 696
 697                 if (prefix->valid_until)
 698                         blobmsg_add_u32(&b, "valid", prefix->valid_until - now);
 699
 700                 blobmsg_add_string(&b, "class", prefix->pclass);
 701
 702                 c = blobmsg_open_table(&b, "assigned");
 703                 struct device_prefix_assignment *assign;
 704                 list_for_each_entry(assign, &prefix->assignments, head) {
 705                         if (!assign->name[0])
 706                                 continue;
 707
 708                         struct in6_addr addr = prefix->addr;
 709                         addr.s6_addr32[1] |= htonl(assign->assigned);
 710
 711                         void *d = blobmsg_open_table(&b, assign->name);
 712
 713                         buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
 714                         inet_ntop(AF_INET6, &addr, buf, buflen);
 715                         blobmsg_add_string_buffer(&b);
 716
 717                         blobmsg_add_u32(&b, "mask", assign->length);
 718
 719                         blobmsg_close_table(&b, d);
 720                 }
 721                 blobmsg_close_table(&b, c);
 722
 723                 blobmsg_close_table(&b, a);
 724         }
 725 }
 726
 727
 728 static void
 729 interface_ip_dump_prefix_assignment_list(struct interface *iface)
 730 {
 731         void *a;
 732         char *buf;
 733         const int buflen = INET6_ADDRSTRLEN;
 734         time_t now = system_get_rtime();
 735
 736         struct device_prefix *prefix;
 737         list_for_each_entry(prefix, &prefixes, head) {
 738                 struct device_prefix_assignment *assign;
 739                 list_for_each_entry(assign, &prefix->assignments, head) {
 740                         if (strcmp(assign->name, iface->name))
 741                                 continue;
 742
 743                         struct in6_addr addr = prefix->addr;
 744                         addr.s6_addr32[1] |= htonl(assign->assigned);
 745
 746                         a = blobmsg_open_table(&b, NULL);
 747
 748                         buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
 749                         inet_ntop(AF_INET6, &addr, buf, buflen);
 750                         blobmsg_add_string_buffer(&b);
 751
 752                         blobmsg_add_u32(&b, "mask", assign->length);
 753
 754                         if (prefix->preferred_until) {
 755                                 int preferred = prefix->preferred_until - now;
 756                                 if (preferred < 0)
 757                                         preferred = 0;
 758                                 blobmsg_add_u32(&b, "preferred", preferred);
 759                         }
 760
 761                         if (prefix->valid_until)
 762                                 blobmsg_add_u32(&b, "valid", prefix->valid_until - now);
 763
 764                         void *c = blobmsg_open_table(&b, "local-address");
 765                         if (assign->enabled) {
 766                                 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
 767                                 inet_ntop(AF_INET6, &assign->addr, buf, buflen);
 768                                 blobmsg_add_string_buffer(&b);
 769
 770                                 blobmsg_add_u32(&b, "mask", assign->length);
 771                         }
 772                         blobmsg_close_table(&b, c);
 773
 774                         blobmsg_close_table(&b, a);
 775                 }
 776         }
 777 }
 778
 779 static void
 780 interface_ip_dump_dns_server_list(struct interface_ip_settings *ip, bool enabled)
 781 {
 782         struct dns_server *dns;
 783         int buflen = 128;
 784         char *buf;
 785
 786         vlist_simple_for_each_element(&ip->dns_servers, dns, node) {
 787                 if (ip->no_dns == enabled)
 788                         continue;
 789
 790                 buf = blobmsg_alloc_string_buffer(&b, NULL, buflen);
 791                 inet_ntop(dns->af, &dns->addr, buf, buflen);
 792                 blobmsg_add_string_buffer(&b);
 793         }
 794 }
 795
 796 static void
 797 interface_ip_dump_dns_search_list(struct interface_ip_settings *ip, bool enabled)
 798 {
 799         struct dns_search_domain *dns;
 800
 801         vlist_simple_for_each_element(&ip->dns_search, dns, node) {
 802                 if (ip->no_dns == enabled)
 803                         continue;
 804
 805                 blobmsg_add_string(&b, NULL, dns->name);
 806         }
 807 }
 808
 809 static void
 810 netifd_dump_status(struct interface *iface)
 811 {
 812         struct interface_data *data;
 813         struct device *dev;
 814         void *a, *inactive;
 815
 816         blobmsg_add_u8(&b, "up", iface->state == IFS_UP);
 817         blobmsg_add_u8(&b, "pending", iface->state == IFS_SETUP);
 818         blobmsg_add_u8(&b, "available", iface->available);
 819         blobmsg_add_u8(&b, "autostart", iface->autostart);
 820         blobmsg_add_u8(&b, "dynamic", iface->dynamic);
 821
 822         if (iface->state == IFS_UP) {
 823                 time_t cur = system_get_rtime();
 824                 blobmsg_add_u32(&b, "uptime", cur - iface->start_time);
 825                 if (iface->l3_dev.dev)
 826                         blobmsg_add_string(&b, "l3_device", iface->l3_dev.dev->ifname);
 827         }
 828
 829         if (iface->proto_handler)
 830                 blobmsg_add_string(&b, "proto", iface->proto_handler->name);
 831
 832         dev = iface->main_dev.dev;
 833         if (dev && !dev->hidden && iface->proto_handler &&
 834             !(iface->proto_handler->flags & PROTO_FLAG_NODEV))
 835                 blobmsg_add_string(&b, "device", dev->ifname);
 836
 837         if (iface->jail)
 838                 blobmsg_add_string(&b, "jail", iface->jail);
 839
 840         if (iface->jail_device)
 841                 blobmsg_add_string(&b, "jail_device", iface->jail_device);
 842
 843         if (iface->state == IFS_UP) {
 844                 if (iface->updated) {
 845                         a = blobmsg_open_array(&b, "updated");
 846
 847                         if (iface->updated & IUF_ADDRESS)
 848                                 blobmsg_add_string(&b, NULL, "addresses");
 849                         if (iface->updated & IUF_ROUTE)
 850                                 blobmsg_add_string(&b, NULL, "routes");
 851                         if (iface->updated & IUF_PREFIX)
 852                                 blobmsg_add_string(&b, NULL, "prefixes");
 853                         if (iface->updated & IUF_DATA)
 854                                 blobmsg_add_string(&b, NULL, "data");
 855
 856                         blobmsg_close_array(&b, a);
 857                 }
 858
 859                 if (iface->ip4table)
 860                         blobmsg_add_u32(&b, "ip4table", iface->ip4table);
 861                 if (iface->ip6table)
 862                         blobmsg_add_u32(&b, "ip6table", iface->ip6table);
 863                 blobmsg_add_u32(&b, "metric", iface->metric);
 864                 blobmsg_add_u32(&b, "dns_metric", iface->dns_metric);
 865                 blobmsg_add_u8(&b, "delegation", !iface->proto_ip.no_delegation);
 866                 if (iface->assignment_weight)
 867                         blobmsg_add_u32(&b, "ip6weight", iface->assignment_weight);
 868                 a = blobmsg_open_array(&b, "ipv4-address");
 869                 interface_ip_dump_address_list(&iface->config_ip, false, true);
 870                 interface_ip_dump_address_list(&iface->proto_ip, false, true);
 871                 blobmsg_close_array(&b, a);
 872                 a = blobmsg_open_array(&b, "ipv6-address");
 873                 interface_ip_dump_address_list(&iface->config_ip, true, true);
 874                 interface_ip_dump_address_list(&iface->proto_ip, true, true);
 875                 blobmsg_close_array(&b, a);
 876                 a = blobmsg_open_array(&b, "ipv6-prefix");
 877                 interface_ip_dump_prefix_list(&iface->config_ip);
 878                 interface_ip_dump_prefix_list(&iface->proto_ip);
 879                 blobmsg_close_array(&b, a);
 880                 a = blobmsg_open_array(&b, "ipv6-prefix-assignment");
 881                 interface_ip_dump_prefix_assignment_list(iface);
 882                 blobmsg_close_array(&b, a);
 883                 a = blobmsg_open_array(&b, "route");
 884                 interface_ip_dump_route_list(&iface->config_ip, true);
 885                 interface_ip_dump_route_list(&iface->proto_ip, true);
 886                 blobmsg_close_array(&b, a);
 887                 a = blobmsg_open_array(&b, "dns-server");
 888                 interface_ip_dump_dns_server_list(&iface->config_ip, true);
 889                 interface_ip_dump_dns_server_list(&iface->proto_ip, true);
 890                 blobmsg_close_array(&b, a);
 891                 a = blobmsg_open_array(&b, "dns-search");
 892                 interface_ip_dump_dns_search_list(&iface->config_ip, true);
 893                 interface_ip_dump_dns_search_list(&iface->proto_ip, true);
 894                 blobmsg_close_array(&b, a);
 895                 a = blobmsg_open_array(&b, "neighbors");
 896                 interface_ip_dump_neighbor_list(&iface->config_ip, true);
 897                 interface_ip_dump_neighbor_list(&iface->proto_ip, true);
 898                 blobmsg_close_array(&b, a);
 899
 900                 inactive = blobmsg_open_table(&b, "inactive");
 901                 a = blobmsg_open_array(&b, "ipv4-address");
 902                 interface_ip_dump_address_list(&iface->config_ip, false, false);
 903                 interface_ip_dump_address_list(&iface->proto_ip, false, false);
 904                 blobmsg_close_array(&b, a);
 905                 a = blobmsg_open_array(&b, "ipv6-address");
 906                 interface_ip_dump_address_list(&iface->config_ip, true, false);
 907                 interface_ip_dump_address_list(&iface->proto_ip, true, false);
 908                 blobmsg_close_array(&b, a);
 909                 a = blobmsg_open_array(&b, "route");
 910                 interface_ip_dump_route_list(&iface->config_ip, false);
 911                 interface_ip_dump_route_list(&iface->proto_ip, false);
 912                 blobmsg_close_array(&b, a);
 913                 a = blobmsg_open_array(&b, "dns-server");
 914                 interface_ip_dump_dns_server_list(&iface->config_ip, false);
 915                 interface_ip_dump_dns_server_list(&iface->proto_ip, false);
 916                 blobmsg_close_array(&b, a);
 917                 a = blobmsg_open_array(&b, "dns-search");
 918                 interface_ip_dump_dns_search_list(&iface->config_ip, false);
 919                 interface_ip_dump_dns_search_list(&iface->proto_ip, false);
 920                 blobmsg_close_array(&b, a);
 921                 a = blobmsg_open_array(&b, "neighbors");
 922                 interface_ip_dump_neighbor_list(&iface->config_ip, false);
 923                 interface_ip_dump_neighbor_list(&iface->proto_ip, false);
 924                 blobmsg_close_array(&b, a);
 925                 blobmsg_close_table(&b, inactive);
 926         }
 927
 928         a = blobmsg_open_table(&b, "data");
 929
 930         if (iface->zone)
 931                 blobmsg_add_string(&b, "zone", iface->zone);
 932         avl_for_each_element(&iface->data, data, node)
 933                 blobmsg_add_blob(&b, data->data);
 934
 935         blobmsg_close_table(&b, a);
 936
 937         if (!list_empty(&iface->errors))
 938                 netifd_add_interface_errors(&b, iface);
 939 }
 940
 941 static int
 942 netifd_handle_status(struct ubus_context *ctx, struct ubus_object *obj,
 943                      struct ubus_request_data *req, const char *method,
 944                      struct blob_attr *msg)
 945 {
 946         struct interface *iface = container_of(obj, struct interface, ubus);
 947
 948         blob_buf_init(&b, 0);
 949         netifd_dump_status(iface);
 950         ubus_send_reply(ctx, req, b.head);
 951
 952         return 0;
 953 }
 954
 955
 956 static int
 957 netifd_handle_dump(struct ubus_context *ctx, struct ubus_object *obj,
 958                      struct ubus_request_data *req, const char *method,
 959                      struct blob_attr *msg)
 960 {
 961         blob_buf_init(&b, 0);
 962         void *a = blobmsg_open_array(&b, "interface");
 963
 964         struct interface *iface;
 965         vlist_for_each_element(&interfaces, iface, node) {
 966                 void *i = blobmsg_open_table(&b, NULL);
 967                 blobmsg_add_string(&b, "interface", iface->name);
 968                 netifd_dump_status(iface);
 969                 blobmsg_close_table(&b, i);
 970         }
 971
 972         blobmsg_close_array(&b, a);
 973         ubus_send_reply(ctx, req, b.head);
 974
 975         return 0;
 976 }
 977
 978 enum {
 979         DEV_LINK_NAME,
 980         DEV_LINK_EXT,
 981         DEV_LINK_VLAN,
 982         __DEV_LINK_MAX,
 983 };
 984
 985 static const struct blobmsg_policy dev_link_policy[__DEV_LINK_MAX] = {
 986         [DEV_LINK_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
 987         [DEV_LINK_EXT] = { .name = "link-ext", .type = BLOBMSG_TYPE_BOOL },
 988         [DEV_LINK_VLAN] = { .name = "vlan", .type = BLOBMSG_TYPE_ARRAY },
 989 };
 990
 991 static int
 992 netifd_iface_handle_device(struct ubus_context *ctx, struct ubus_object *obj,
 993                            struct ubus_request_data *req, const char *method,
 994                            struct blob_attr *msg)
 995 {
 996         struct blob_attr *tb[__DEV_LINK_MAX];
 997         struct blob_attr *cur;
 998         struct interface *iface;
 999         bool add = !strncmp(method, "add", 3);
1000         bool link_ext = true;
1001
1002         iface = container_of(obj, struct interface, ubus);
1003
1004         blobmsg_parse(dev_link_policy, __DEV_LINK_MAX, tb, blob_data(msg), blob_len(msg));
1005
1006         if (!tb[DEV_LINK_NAME])
1007                 return UBUS_STATUS_INVALID_ARGUMENT;
1008
1009         cur = tb[DEV_LINK_EXT];
1010         if (cur)
1011                 link_ext = blobmsg_get_bool(cur);
1012
1013         return interface_handle_link(iface, blobmsg_data(tb[DEV_LINK_NAME]),
1014                                      tb[DEV_LINK_VLAN], add, link_ext);
1015 }
1016
1017
1018 static int
1019 netifd_iface_notify_proto(struct ubus_context *ctx, struct ubus_object *obj,
1020                           struct ubus_request_data *req, const char *method,
1021                           struct blob_attr *msg)
1022 {
1023         struct interface *iface;
1024
1025         iface = container_of(obj, struct interface, ubus);
1026
1027         if (!iface->proto || !iface->proto->notify)
1028                 return UBUS_STATUS_NOT_SUPPORTED;
1029
1030         return iface->proto->notify(iface->proto, msg);
1031 }
1032
1033 static void
1034 netifd_iface_do_remove(struct uloop_timeout *timeout)
1035 {
1036         struct interface *iface;
1037
1038         iface = container_of(timeout, struct interface, remove_timer);
1039         vlist_delete(&interfaces, &iface->node);
1040 }
1041
1042 static int
1043 netifd_iface_remove(struct ubus_context *ctx, struct ubus_object *obj,
1044                     struct ubus_request_data *req, const char *method,
1045                     struct blob_attr *msg)
1046 {
1047         struct interface *iface;
1048
1049         iface = container_of(obj, struct interface, ubus);
1050         if (iface->remove_timer.cb)
1051                 return UBUS_STATUS_INVALID_ARGUMENT;
1052
1053         iface->remove_timer.cb = netifd_iface_do_remove;
1054         uloop_timeout_set(&iface->remove_timer, 100);
1055         return 0;
1056 }
1057
1058 static int
1059 netifd_handle_iface_prepare(struct ubus_context *ctx, struct ubus_object *obj,
1060                             struct ubus_request_data *req, const char *method,
1061                             struct blob_attr *msg)
1062 {
1063         struct interface *iface;
1064         struct device *dev, *bridge_dev = NULL;
1065         const struct device_hotplug_ops *ops;
1066
1067         iface = container_of(obj, struct interface, ubus);
1068         dev = iface->main_dev.dev;
1069         if (!dev)
1070                 goto out;
1071
1072         ops = dev->hotplug_ops;
1073         if (!ops)
1074                 goto out;
1075
1076         ops->prepare(dev, &bridge_dev);
1077
1078 out:
1079         blob_buf_init(&b, 0);
1080         if (bridge_dev)
1081                 blobmsg_add_string(&b, "bridge", bridge_dev->ifname);
1082         ubus_send_reply(ctx, req, b.head);
1083
1084         return 0;
1085 }
1086
1087 static int
1088 netifd_handle_set_data(struct ubus_context *ctx, struct ubus_object *obj,
1089                        struct ubus_request_data *req, const char *method,
1090                        struct blob_attr *msg)
1091 {
1092         struct interface *iface;
1093
1094         iface = container_of(obj, struct interface, ubus);
1095
1096         return interface_parse_data(iface, msg);
1097 }
1098
1099 static struct ubus_method iface_object_methods[] = {
1100         { .name = "up", .handler = netifd_handle_up },
1101         { .name = "down", .handler = netifd_handle_down },
1102         { .name = "renew", .handler = netifd_handle_renew },
1103         { .name = "status", .handler = netifd_handle_status },
1104         { .name = "prepare", .handler = netifd_handle_iface_prepare },
1105         { .name = "dump", .handler = netifd_handle_dump },
1106         UBUS_METHOD("add_device", netifd_iface_handle_device, dev_link_policy ),
1107         UBUS_METHOD("remove_device", netifd_iface_handle_device, dev_link_policy ),
1108         { .name = "notify_proto", .handler = netifd_iface_notify_proto },
1109         { .name = "remove", .handler = netifd_iface_remove },
1110         { .name = "set_data", .handler = netifd_handle_set_data },
1111 };
1112
1113 static struct ubus_object_type iface_object_type =
1114         UBUS_OBJECT_TYPE("netifd_iface", iface_object_methods);
1115
1116
1117 static struct ubus_object iface_object = {
1118         .name = "network.interface",
1119         .type = &iface_object_type,
1120         .n_methods = ARRAY_SIZE(iface_object_methods),
1121 };
1122
1123 static void netifd_add_object(struct ubus_object *obj)
1124 {
1125         int ret = ubus_add_object(ubus_ctx, obj);
1126
1127         if (ret != 0)
1128                 fprintf(stderr, "Failed to publish object '%s': %s\n", obj->name, ubus_strerror(ret));
1129 }
1130
1131 static const struct blobmsg_policy iface_policy = {
1132         .name = "interface",
1133         .type = BLOBMSG_TYPE_STRING,
1134 };
1135
1136 static int
1137 netifd_handle_iface(struct ubus_context *ctx, struct ubus_object *obj,
1138                     struct ubus_request_data *req, const char *method,
1139                     struct blob_attr *msg)
1140 {
1141         struct interface *iface;
1142         struct blob_attr *tb;
1143         size_t i;
1144
1145         blobmsg_parse(&iface_policy, 1, &tb, blob_data(msg), blob_len(msg));
1146         if (!tb)
1147                 return UBUS_STATUS_INVALID_ARGUMENT;
1148
1149         iface = vlist_find(&interfaces, blobmsg_data(tb), iface, node);
1150         if (!iface)
1151                 return UBUS_STATUS_NOT_FOUND;
1152
1153         for (i = 0; i < ARRAY_SIZE(iface_object_methods); i++) {
1154                 ubus_handler_t cb;
1155
1156                 if (strcmp(method, iface_object_methods[i].name) != 0)
1157                         continue;
1158
1159                 cb = iface_object_methods[i].handler;
1160                 return cb(ctx, &iface->ubus, req, method, msg);
1161         }
1162
1163         return UBUS_STATUS_INVALID_ARGUMENT;
1164 }
1165
1166 static void netifd_add_iface_object(void)
1167 {
1168         struct ubus_method *methods;
1169         size_t i;
1170
1171         methods = calloc(1, sizeof(iface_object_methods));
1172         if (!methods)
1173                 return;
1174
1175         memcpy(methods, iface_object_methods, sizeof(iface_object_methods));
1176         iface_object.methods = methods;
1177
1178         for (i = 0; i < ARRAY_SIZE(iface_object_methods); i++) {
1179                 if (methods[i].handler == netifd_handle_dump)
1180                         continue;
1181
1182                 methods[i].handler = netifd_handle_iface;
1183                 methods[i].policy = &iface_policy;
1184                 methods[i].n_policy = 1;
1185         }
1186         netifd_add_object(&iface_object);
1187 }
1188
1189 static struct wireless_device *
1190 get_wdev(struct blob_attr *msg, int *ret)
1191 {
1192         struct blobmsg_policy wdev_policy = {
1193                 .name = "device",
1194                 .type = BLOBMSG_TYPE_STRING,
1195         };
1196         struct blob_attr *dev_attr;
1197         struct wireless_device *wdev = NULL;
1198
1199
1200         blobmsg_parse(&wdev_policy, 1, &dev_attr, blob_data(msg), blob_len(msg));
1201         if (!dev_attr) {
1202                 *ret = UBUS_STATUS_INVALID_ARGUMENT;
1203                 return NULL;
1204         }
1205
1206         wdev = vlist_find(&wireless_devices, blobmsg_data(dev_attr), wdev, node);
1207         if (!wdev) {
1208                 *ret = UBUS_STATUS_NOT_FOUND;
1209                 return NULL;
1210         }
1211
1212         *ret = 0;
1213         return wdev;
1214 }
1215
1216 static int
1217 netifd_handle_wdev_reconf(struct ubus_context *ctx, struct ubus_object *obj,
1218                           struct ubus_request_data *req, const char *method,
1219                           struct blob_attr *msg)
1220 {
1221         struct wireless_device *wdev;
1222         int ret;
1223
1224         wdev = get_wdev(msg, &ret);
1225         if (ret == UBUS_STATUS_NOT_FOUND)
1226                 return ret;
1227
1228         if (wdev) {
1229                 wireless_device_reconf(wdev);
1230         } else {
1231                 vlist_for_each_element(&wireless_devices, wdev, node)
1232                         wireless_device_reconf(wdev);
1233         }
1234
1235         return 0;
1236 }
1237
1238 static int
1239 netifd_handle_wdev_up(struct ubus_context *ctx, struct ubus_object *obj,
1240                       struct ubus_request_data *req, const char *method,
1241                       struct blob_attr *msg)
1242 {
1243         struct wireless_device *wdev;
1244         int ret;
1245
1246         wdev = get_wdev(msg, &ret);
1247         if (ret == UBUS_STATUS_NOT_FOUND)
1248                 return ret;
1249
1250         if (wdev) {
1251                 wireless_device_set_up(wdev);
1252         } else {
1253                 vlist_for_each_element(&wireless_devices, wdev, node)
1254                         wireless_device_set_up(wdev);
1255         }
1256
1257         return 0;
1258 }
1259
1260 static int
1261 netifd_handle_wdev_down(struct ubus_context *ctx, struct ubus_object *obj,
1262                         struct ubus_request_data *req, const char *method,
1263                         struct blob_attr *msg)
1264 {
1265         struct wireless_device *wdev;
1266         int ret;
1267
1268         wdev = get_wdev(msg, &ret);
1269         if (ret == UBUS_STATUS_NOT_FOUND)
1270                 return ret;
1271
1272         if (wdev) {
1273                 wireless_device_set_down(wdev);
1274         } else {
1275                 vlist_for_each_element(&wireless_devices, wdev, node)
1276                         wireless_device_set_down(wdev);
1277         }
1278
1279         return 0;
1280 }
1281
1282 static int
1283 netifd_handle_wdev_status(struct ubus_context *ctx, struct ubus_object *obj,
1284                           struct ubus_request_data *req, const char *method,
1285                           struct blob_attr *msg)
1286 {
1287         struct wireless_device *wdev;
1288         int ret;
1289
1290         wdev = get_wdev(msg, &ret);
1291         if (ret == UBUS_STATUS_NOT_FOUND)
1292                 return ret;
1293
1294         blob_buf_init(&b, 0);
1295         if (wdev) {
1296                 wireless_device_status(wdev, &b);
1297         } else {
1298                 vlist_for_each_element(&wireless_devices, wdev, node)
1299                         wireless_device_status(wdev, &b);
1300         }
1301         ubus_send_reply(ctx, req, b.head);
1302         return 0;
1303 }
1304
1305 static int
1306 netifd_handle_wdev_get_validate(struct ubus_context *ctx, struct ubus_object *obj,
1307                           struct ubus_request_data *req, const char *method,
1308                           struct blob_attr *msg)
1309 {
1310         struct wireless_device *wdev;
1311         int ret;
1312
1313         wdev = get_wdev(msg, &ret);
1314         if (ret == UBUS_STATUS_NOT_FOUND)
1315                 return ret;
1316
1317         blob_buf_init(&b, 0);
1318         if (wdev) {
1319                 wireless_device_get_validate(wdev, &b);
1320         } else {
1321                 vlist_for_each_element(&wireless_devices, wdev, node)
1322                         wireless_device_get_validate(wdev, &b);
1323         }
1324         ubus_send_reply(ctx, req, b.head);
1325         return 0;
1326 }
1327
1328 static int
1329 netifd_handle_wdev_notify(struct ubus_context *ctx, struct ubus_object *obj,
1330                           struct ubus_request_data *req, const char *method,
1331                           struct blob_attr *msg)
1332 {
1333         struct wireless_device *wdev;
1334         int ret;
1335
1336         wdev = get_wdev(msg, &ret);
1337         if (!wdev)
1338                 return ret;
1339
1340         return wireless_device_notify(wdev, msg, req);
1341 }
1342
1343 static struct ubus_method wireless_object_methods[] = {
1344         { .name = "up", .handler = netifd_handle_wdev_up },
1345         { .name = "down", .handler = netifd_handle_wdev_down },
1346         { .name = "reconf", .handler = netifd_handle_wdev_reconf },
1347         { .name = "status", .handler = netifd_handle_wdev_status },
1348         { .name = "notify", .handler = netifd_handle_wdev_notify },
1349         { .name = "get_validate", .handler = netifd_handle_wdev_get_validate },
1350 };
1351
1352 static struct ubus_object_type wireless_object_type =
1353         UBUS_OBJECT_TYPE("netifd_iface", wireless_object_methods);
1354
1355
1356 static struct ubus_object wireless_object = {
1357         .name = "network.wireless",
1358         .type = &wireless_object_type,
1359         .methods = wireless_object_methods,
1360         .n_methods = ARRAY_SIZE(wireless_object_methods),
1361 };
1362
1363 int
1364 netifd_extdev_invoke(uint32_t id, const char *method, struct blob_attr *msg,
1365          ubus_data_handler_t data_cb, void *data)
1366 {
1367         return ubus_invoke(ubus_ctx, id, method, msg, data_cb, data, 3000);
1368 }
1369
1370 static void
1371 netifd_udebug_cb(struct udebug_ubus *ctx, struct blob_attr *data, bool enabled)
1372 {
1373         netifd_udebug_set_enabled(enabled);
1374 }
1375
1376 int
1377 netifd_ubus_init(const char *path)
1378 {
1379         uloop_init();
1380         ubus_path = path;
1381
1382         ubus_ctx = ubus_connect(path);
1383         if (!ubus_ctx)
1384                 return -EIO;
1385
1386         D(SYSTEM, "connected as %08x\n", ubus_ctx->local_id);
1387         ubus_ctx->connection_lost = netifd_ubus_connection_lost;
1388         netifd_ubus_add_fd();
1389
1390         netifd_add_object(&main_object);
1391         netifd_add_object(&dev_object);
1392         netifd_add_object(&wireless_object);
1393         netifd_add_iface_object();
1394
1395         udebug_ubus_init(&udebug, ubus_ctx, "netifd", netifd_udebug_cb);
1396
1397         return 0;
1398 }
1399
1400 void
1401 netifd_ubus_done(void)
1402 {
1403         udebug_ubus_free(&udebug);
1404         ubus_free(ubus_ctx);
1405 }
1406
1407 void
1408 netifd_ubus_interface_event(struct interface *iface, bool up)
1409 {
1410         blob_buf_init(&b, 0);
1411         blobmsg_add_string(&b, "action", up ? "ifup" : "ifdown");
1412         blobmsg_add_string(&b, "interface", iface->name);
1413         ubus_send_event(ubus_ctx, "network.interface", b.head);
1414 }
1415
1416 void
1417 netifd_ubus_interface_notify(struct interface *iface, bool up)
1418 {
1419         const char *event = (up) ? "interface.update" : "interface.down";
1420         blob_buf_init(&b, 0);
1421         blobmsg_add_string(&b, "interface", iface->name);
1422         netifd_dump_status(iface);
1423         ubus_notify(ubus_ctx, &iface_object, event, b.head, -1);
1424         ubus_notify(ubus_ctx, &iface->ubus, event, b.head, -1);
1425 }
1426
1427 void
1428 netifd_ubus_add_interface(struct interface *iface)
1429 {
1430         struct ubus_object *obj = &iface->ubus;
1431         char *name = NULL;
1432
1433         if (asprintf(&name, "%s.interface.%s", main_object.name, iface->name) == -1)
1434                 return;
1435
1436         obj->name = name;
1437         obj->type = &iface_object_type;
1438         obj->methods = iface_object_methods;
1439         obj->n_methods = ARRAY_SIZE(iface_object_methods);
1440         if (ubus_add_object(ubus_ctx, &iface->ubus)) {
1441                 D(SYSTEM, "failed to publish ubus object for interface '%s'\n", iface->name);
1442                 free(name);
1443                 obj->name = NULL;
1444         }
1445 }
1446
1447 void
1448 netifd_ubus_remove_interface(struct interface *iface)
1449 {
1450         if (!iface->ubus.name)
1451                 return;
1452
1453         ubus_remove_object(ubus_ctx, &iface->ubus);
1454         free((void *) iface->ubus.name);
1455 }