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_MAX
  58 };
  59
  60 static const struct blobmsg_policy route_policy[__HR_MAX] = {
  61         [HR_TARGET] = { .name = "target", .type = BLOBMSG_TYPE_STRING },
  62         [HR_V6] = { .name = "v6", .type = BLOBMSG_TYPE_BOOL },
  63         [HR_INTERFACE] = { .name = "interface", .type = BLOBMSG_TYPE_STRING },
  64 };
  65
  66 static int
  67 netifd_add_host_route(struct ubus_context *ctx, struct ubus_object *obj,
  68                       struct ubus_request_data *req, const char *method,
  69                       struct blob_attr *msg)
  70 {
  71         struct blob_attr *tb[__HR_MAX];
  72         struct interface *iface = NULL;
  73         union if_addr a;
  74         bool v6 = false;
  75
  76         blobmsg_parse(route_policy, __HR_MAX, tb, blob_data(msg), blob_len(msg));
  77         if (!tb[HR_TARGET])
  78                 return UBUS_STATUS_INVALID_ARGUMENT;
  79
  80         if (tb[HR_V6])
  81                 v6 = blobmsg_get_bool(tb[HR_V6]);
  82
  83         if (tb[HR_INTERFACE])
  84                 iface = vlist_find(&interfaces, blobmsg_data(tb[HR_INTERFACE]), iface, node);
  85
  86         memset(&a, 0, sizeof(a));
  87         if (!inet_pton(v6 ? AF_INET6 : AF_INET, blobmsg_data(tb[HR_TARGET]), &a))
  88                 return UBUS_STATUS_INVALID_ARGUMENT;
  89
  90
  91         iface = interface_ip_add_target_route(&a, v6, iface);
  92         if (!iface)
  93                 return UBUS_STATUS_NOT_FOUND;
  94
  95         blob_buf_init(&b, 0);
  96         blobmsg_add_string(&b, "interface", iface->name);
  97         ubus_send_reply(ctx, req, b.head);
  98
  99         return 0;
 100 }
 101
 102 static int
 103 netifd_get_proto_handlers(struct ubus_context *ctx, struct ubus_object *obj,
 104                           struct ubus_request_data *req, const char *method,
 105                           struct blob_attr *msg)
 106 {
 107         blob_buf_init(&b, 0);
 108         proto_dump_handlers(&b);
 109         ubus_send_reply(ctx, req, b.head);
 110
 111         return 0;
 112 }
 113
 114
 115 enum {
 116         DI_NAME,
 117         __DI_MAX
 118 };
 119
 120 static const struct blobmsg_policy dynamic_policy[__DI_MAX] = {
 121         [DI_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
 122 };
 123
 124 static int
 125 netifd_add_dynamic(struct ubus_context *ctx, struct ubus_object *obj,
 126                       struct ubus_request_data *req, const char *method,
 127                       struct blob_attr *msg)
 128 {
 129         struct blob_attr *tb[__DI_MAX];
 130         struct interface *iface;
 131         struct blob_attr *config;
 132
 133         blobmsg_parse(dynamic_policy, __DI_MAX, tb, blob_data(msg), blob_len(msg));
 134
 135         if (!tb[DI_NAME])
 136                 return UBUS_STATUS_INVALID_ARGUMENT;
 137
 138         const char *name = blobmsg_get_string(tb[DI_NAME]);
 139
 140         iface = interface_alloc(name, msg, true);
 141         if (!iface)
 142                 return UBUS_STATUS_UNKNOWN_ERROR;
 143
 144         config = blob_memdup(msg);
 145         if (!config)
 146                 goto error;
 147
 148         if (!interface_add(iface, config))
 149                 goto error_free_config;
 150
 151         return UBUS_STATUS_OK;
 152
 153 error_free_config:
 154         free(config);
 155 error:
 156         free(iface);
 157         return UBUS_STATUS_UNKNOWN_ERROR;
 158 }
 159
 160 enum {
 161         NETNS_UPDOWN_JAIL,
 162         NETNS_UPDOWN_PID,
 163         NETNS_UPDOWN_START,
 164         __NETNS_UPDOWN_MAX
 165 };
 166
 167 static const struct blobmsg_policy netns_updown_policy[__NETNS_UPDOWN_MAX] = {
 168         [NETNS_UPDOWN_JAIL] = { .name = "jail", .type = BLOBMSG_TYPE_STRING },
 169         [NETNS_UPDOWN_PID] = { .name = "pid", .type = BLOBMSG_TYPE_INT32 },
 170         [NETNS_UPDOWN_START] = { .name = "start", .type = BLOBMSG_TYPE_BOOL },
 171 };
 172
 173 static int
 174 netifd_netns_updown(struct ubus_context *ctx, struct ubus_object *obj,
 175                   struct ubus_request_data *req, const char *method,
 176                   struct blob_attr *msg)
 177 {
 178         struct blob_attr *tb[__NETNS_UPDOWN_MAX];
 179         char *jail;
 180         pid_t netns_pid;
 181         bool start;
 182
 183         blobmsg_parse(netns_updown_policy, __NETNS_UPDOWN_MAX, tb, blob_data(msg), blob_len(msg));
 184         if (!tb[NETNS_UPDOWN_JAIL] || !tb[NETNS_UPDOWN_PID])
 185                 return UBUS_STATUS_INVALID_ARGUMENT;
 186
 187         start = tb[NETNS_UPDOWN_START] && blobmsg_get_bool(tb[NETNS_UPDOWN_START]);
 188         jail = blobmsg_get_string(tb[NETNS_UPDOWN_JAIL]);
 189         netns_pid = blobmsg_get_u32(tb[NETNS_UPDOWN_PID]);
 190
 191         if (start)
 192                 interface_start_jail(jail, netns_pid);
 193         else
 194                 interface_stop_jail(jail, netns_pid);
 195
 196         return UBUS_STATUS_OK;
 197 }
 198
 199 static struct ubus_method main_object_methods[] = {
 200         { .name = "restart", .handler = netifd_handle_restart },
 201         { .name = "reload", .handler = netifd_handle_reload },
 202         UBUS_METHOD("add_host_route", netifd_add_host_route, route_policy),
 203         { .name = "get_proto_handlers", .handler = netifd_get_proto_handlers },
 204         UBUS_METHOD("add_dynamic", netifd_add_dynamic, dynamic_policy),
 205         UBUS_METHOD("netns_updown", netifd_netns_updown, netns_updown_policy),
 206 };
 207
 208 static struct ubus_object_type main_object_type =
 209         UBUS_OBJECT_TYPE("netifd", main_object_methods);
 210
 211 static struct ubus_object main_object = {
 212         .name = "network",
 213         .type = &main_object_type,
 214         .methods = main_object_methods,
 215         .n_methods = ARRAY_SIZE(main_object_methods),
 216 };
 217
 218 enum {
 219         DEV_NAME,
 220         __DEV_MAX,
 221 };
 222
 223 static const struct blobmsg_policy dev_policy[__DEV_MAX] = {
 224         [DEV_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
 225 };
 226
 227 static int
 228 netifd_dev_status(struct ubus_context *ctx, struct ubus_object *obj,
 229                   struct ubus_request_data *req, const char *method,
 230                   struct blob_attr *msg)
 231 {
 232         struct device *dev = NULL;
 233         struct blob_attr *tb[__DEV_MAX];
 234
 235         blobmsg_parse(dev_policy, __DEV_MAX, tb, blob_data(msg), blob_len(msg));
 236
 237         if (tb[DEV_NAME]) {
 238                 dev = device_find(blobmsg_data(tb[DEV_NAME]));
 239                 if (!dev)
 240                         return UBUS_STATUS_INVALID_ARGUMENT;
 241         }
 242
 243         blob_buf_init(&b, 0);
 244         device_dump_status(&b, dev);
 245         ubus_send_reply(ctx, req, b.head);
 246
 247         return 0;
 248 }
 249
 250 enum {
 251         ALIAS_ATTR_ALIAS,
 252         ALIAS_ATTR_DEV,
 253         __ALIAS_ATTR_MAX,
 254 };
 255
 256 static const struct blobmsg_policy alias_attrs[__ALIAS_ATTR_MAX] = {
 257         [ALIAS_ATTR_ALIAS] = { "alias", BLOBMSG_TYPE_ARRAY },
 258         [ALIAS_ATTR_DEV] = { "device", BLOBMSG_TYPE_STRING },
 259 };
 260
 261 static int
 262 netifd_handle_alias(struct ubus_context *ctx, struct ubus_object *obj,
 263                     struct ubus_request_data *req, const char *method,
 264                     struct blob_attr *msg)
 265 {
 266         struct device *dev = NULL;
 267         struct blob_attr *tb[__ALIAS_ATTR_MAX];
 268         struct blob_attr *cur;
 269         int rem;
 270
 271         blobmsg_parse(alias_attrs, __ALIAS_ATTR_MAX, tb, blob_data(msg), blob_len(msg));
 272
 273         if (!tb[ALIAS_ATTR_ALIAS])
 274                 return UBUS_STATUS_INVALID_ARGUMENT;
 275
 276         if ((cur = tb[ALIAS_ATTR_DEV]) != NULL) {
 277                 dev = device_get(blobmsg_data(cur), true);
 278                 if (!dev)
 279                         return UBUS_STATUS_NOT_FOUND;
 280         }
 281
 282         blobmsg_for_each_attr(cur, tb[ALIAS_ATTR_ALIAS], rem) {
 283                 if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING)
 284                         goto error;
 285
 286                 if (!blobmsg_check_attr(cur, false))
 287                         goto error;
 288
 289                 alias_notify_device(blobmsg_data(cur), dev);
 290         }
 291         return 0;
 292
 293 error:
 294         device_free_unused(dev);
 295         return UBUS_STATUS_INVALID_ARGUMENT;
 296 }
 297
 298 enum {
 299         DEV_STATE_NAME,
 300         DEV_STATE_DEFER,
 301         DEV_STATE_AUTH_STATUS,
 302         __DEV_STATE_MAX,
 303 };
 304
 305 static const struct blobmsg_policy dev_state_policy[__DEV_STATE_MAX] = {
 306         [DEV_STATE_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
 307         [DEV_STATE_DEFER] = { .name = "defer", .type = BLOBMSG_TYPE_BOOL },
 308         [DEV_STATE_AUTH_STATUS] = { .name = "auth_status", .type = BLOBMSG_TYPE_BOOL },
 309 };
 310
 311 static int
 312 netifd_handle_set_state(struct ubus_context *ctx, struct ubus_object *obj,
 313                         struct ubus_request_data *req, const char *method,
 314                         struct blob_attr *msg)
 315 {
 316         struct device *dev = NULL;
 317         struct blob_attr *tb[__DEV_STATE_MAX];
 318         struct blob_attr *cur;
 319
 320         blobmsg_parse(dev_state_policy, __DEV_STATE_MAX, tb, blob_data(msg), blob_len(msg));
 321
 322         cur = tb[DEV_STATE_NAME];
 323         if (!cur)
 324                 return UBUS_STATUS_INVALID_ARGUMENT;
 325
 326         dev = device_find(blobmsg_data(cur));
 327         if (!dev)
 328                 return UBUS_STATUS_NOT_FOUND;
 329
 330         cur = tb[DEV_STATE_DEFER];
 331         if (cur)
 332                 device_set_deferred(dev, !!blobmsg_get_u8(cur));
 333
 334         cur = tb[DEV_STATE_AUTH_STATUS];
 335         if (cur)
 336                 device_set_auth_status(dev, !!blobmsg_get_u8(cur));
 337
 338         return 0;
 339 }
 340
 341 #ifdef DUMMY_MODE
 342 enum {
 343     DEV_HOTPLUG_ATTR_NAME,
 344     DEV_HOTPLUG_ATTR_ADD,
 345     __DEV_HOTPLUG_ATTR_MAX,
 346 };
 347
 348 static const struct blobmsg_policy dev_hotplug_policy[__DEV_HOTPLUG_ATTR_MAX] = {
 349     [DEV_HOTPLUG_ATTR_NAME] = { "name", BLOBMSG_TYPE_STRING },
 350     [DEV_HOTPLUG_ATTR_ADD] = { "add", BLOBMSG_TYPE_BOOL },
 351 };
 352
 353 static int
 354 netifd_handle_dev_hotplug(struct ubus_context *ctx, struct ubus_object *obj,
 355                           struct ubus_request_data *req, const char *method,
 356                           struct blob_attr *msg)
 357 {
 358         struct blob_attr *tb[__DEV_HOTPLUG_ATTR_MAX];
 359         const char *name;
 360
 361         blobmsg_parse(dev_hotplug_policy, __DEV_HOTPLUG_ATTR_MAX, tb,
 362                       blob_data(msg), blob_len(msg));
 363
 364         if (!tb[DEV_HOTPLUG_ATTR_NAME] || !tb[DEV_HOTPLUG_ATTR_ADD])
 365                 return UBUS_STATUS_INVALID_ARGUMENT;
 366
 367         name = blobmsg_get_string(tb[DEV_HOTPLUG_ATTR_NAME]);
 368         device_hotplug_event(name, blobmsg_get_bool(tb[DEV_HOTPLUG_ATTR_ADD]));
 369
 370         return 0;
 371 }
 372 #endif
 373
 374 static struct ubus_method dev_object_methods[] = {
 375         UBUS_METHOD("status", netifd_dev_status, dev_policy),
 376         UBUS_METHOD("set_alias", netifd_handle_alias, alias_attrs),
 377         UBUS_METHOD("set_state", netifd_handle_set_state, dev_state_policy),
 378 #ifdef DUMMY_MODE
 379         UBUS_METHOD("hotplug_event", netifd_handle_dev_hotplug, dev_hotplug_policy),
 380 #endif
 381 };
 382
 383 static struct ubus_object_type dev_object_type =
 384         UBUS_OBJECT_TYPE("device", dev_object_methods);
 385
 386 static struct ubus_object dev_object = {
 387         .name = "network.device",
 388         .type = &dev_object_type,
 389         .methods = dev_object_methods,
 390         .n_methods = ARRAY_SIZE(dev_object_methods),
 391 };
 392
 393 static void
 394 netifd_ubus_add_fd(void)
 395 {
 396         ubus_add_uloop(ubus_ctx);
 397         system_fd_set_cloexec(ubus_ctx->sock.fd);
 398 }
 399
 400 static void
 401 netifd_ubus_reconnect_timer(struct uloop_timeout *timeout)
 402 {
 403         static struct uloop_timeout retry = {
 404                 .cb = netifd_ubus_reconnect_timer,
 405         };
 406         int t = 2;
 407
 408         if (ubus_reconnect(ubus_ctx, ubus_path) != 0) {
 409                 DPRINTF("failed to reconnect, trying again in %d seconds\n", t);
 410                 uloop_timeout_set(&retry, t * 1000);
 411                 return;
 412         }
 413
 414         DPRINTF("reconnected to ubus, new id: %08x\n", ubus_ctx->local_id);
 415         netifd_ubus_add_fd();
 416 }
 417
 418 static void
 419 netifd_ubus_connection_lost(struct ubus_context *ctx)
 420 {
 421         netifd_ubus_reconnect_timer(NULL);
 422 }
 423
 424 /* per-interface object */
 425
 426 static int
 427 netifd_handle_up(struct ubus_context *ctx, struct ubus_object *obj,
 428                  struct ubus_request_data *req, const char *method,
 429                  struct blob_attr *msg)
 430 {
 431         struct interface *iface;
 432
 433         iface = container_of(obj, struct interface, ubus);
 434         interface_set_up(iface);
 435
 436         return 0;
 437 }
 438
 439 static int
 440 netifd_handle_down(struct ubus_context *ctx, struct ubus_object *obj,
 441                    struct ubus_request_data *req, const char *method,
 442                    struct blob_attr *msg)
 443 {
 444         struct interface *iface;
 445
 446         iface = container_of(obj, struct interface, ubus);
 447         interface_set_down(iface);
 448
 449         return 0;
 450 }
 451
 452 static int
 453 netifd_handle_renew(struct ubus_context *ctx, struct ubus_object *obj,
 454                    struct ubus_request_data *req, const char *method,
 455                    struct blob_attr *msg)
 456 {
 457         struct interface *iface;
 458
 459         iface = container_of(obj, struct interface, ubus);
 460         interface_renew(iface);
 461
 462         return 0;
 463 }
 464
 465 static void
 466 netifd_add_interface_errors(struct blob_buf *b, struct interface *iface)
 467 {
 468         struct interface_error *error;
 469         void *e, *e2, *e3;
 470         int i;
 471
 472         e = blobmsg_open_array(b, "errors");
 473         list_for_each_entry(error, &iface->errors, list) {
 474                 e2 = blobmsg_open_table(b, NULL);
 475
 476                 blobmsg_add_string(b, "subsystem", error->subsystem);
 477                 blobmsg_add_string(b, "code", error->code);
 478                 if (error->data[0]) {
 479                         e3 = blobmsg_open_array(b, "data");
 480                         for (i = 0; error->data[i]; i++)
 481                                 blobmsg_add_string(b, NULL, error->data[i]);
 482                         blobmsg_close_array(b, e3);
 483                 }
 484
 485                 blobmsg_close_table(b, e2);
 486         }
 487         blobmsg_close_array(b, e);
 488 }
 489
 490 static void
 491 interface_ip_dump_address_list(struct interface_ip_settings *ip, bool v6, bool enabled)
 492 {
 493         struct device_addr *addr;
 494         char *buf;
 495         void *a;
 496         int buflen = 128;
 497         int af;
 498
 499         time_t now = system_get_rtime();
 500         vlist_for_each_element(&ip->addr, addr, node) {
 501                 if (addr->enabled != enabled)
 502                         continue;
 503
 504                 if ((addr->flags & DEVADDR_FAMILY) == DEVADDR_INET4)
 505                         af = AF_INET;
 506                 else
 507                         af = AF_INET6;
 508
 509                 if (af != (v6 ? AF_INET6 : AF_INET))
 510                         continue;
 511
 512                 a = blobmsg_open_table(&b, NULL);
 513
 514                 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
 515                 inet_ntop(af, &addr->addr, buf, buflen);
 516                 blobmsg_add_string_buffer(&b);
 517
 518                 blobmsg_add_u32(&b, "mask", addr->mask);
 519
 520                 if (addr->point_to_point) {
 521                         buf = blobmsg_alloc_string_buffer(&b, "ptpaddress", buflen);
 522                         inet_ntop(af, &addr->point_to_point, buf, buflen);
 523                         blobmsg_add_string_buffer(&b);
 524                 }
 525
 526                 if (addr->preferred_until) {
 527                         int preferred = addr->preferred_until - now;
 528                         if (preferred < 0)
 529                                 preferred = 0;
 530                         blobmsg_add_u32(&b, "preferred", preferred);
 531                 }
 532
 533                 if (addr->valid_until)
 534                         blobmsg_add_u32(&b, "valid", addr->valid_until - now);
 535
 536                 if (addr->pclass)
 537                         blobmsg_add_string(&b, "class", addr->pclass);
 538
 539                 blobmsg_close_table(&b, a);
 540         }
 541 }
 542
 543 static void
 544 interface_ip_dump_neighbor_list(struct interface_ip_settings *ip, bool enabled)
 545 {
 546         struct device_neighbor *neighbor;
 547         int buflen = 128;
 548         char *buf;
 549         void *r;
 550         int af;
 551
 552         vlist_for_each_element(&ip->neighbor, neighbor, node) {
 553                 if (neighbor->enabled != enabled)
 554                         continue;
 555
 556                 if ((neighbor->flags & DEVADDR_FAMILY) == DEVADDR_INET4)
 557                         af = AF_INET;
 558                 else
 559                         af = AF_INET6;
 560
 561                 r = blobmsg_open_table(&b, NULL);
 562
 563                 if (neighbor->flags & DEVNEIGH_MAC)
 564                         blobmsg_add_string(&b, "mac", format_macaddr(neighbor->macaddr));
 565
 566                 buf = blobmsg_alloc_string_buffer(&b , "address", buflen);
 567                 inet_ntop(af, &neighbor->addr, buf, buflen);
 568                 blobmsg_add_string_buffer(&b);
 569
 570                 if (neighbor->proxy)
 571                         blobmsg_add_u32(&b, "proxy", neighbor->proxy);
 572
 573                 if (neighbor->router)
 574                         blobmsg_add_u32(&b, "router", neighbor->router);
 575
 576                 blobmsg_close_table(&b, r);
 577         }
 578 }
 579
 580 static void
 581 interface_ip_dump_route_list(struct interface_ip_settings *ip, bool enabled)
 582 {
 583         struct device_route *route;
 584         int buflen = 128;
 585         char *buf;
 586         void *r;
 587         int af;
 588
 589         time_t now = system_get_rtime();
 590         vlist_for_each_element(&ip->route, route, node) {
 591                 if (route->enabled != enabled)
 592                         continue;
 593
 594                 if ((ip->no_defaultroute == enabled) && !route->mask)
 595                         continue;
 596
 597                 if ((route->flags & DEVADDR_FAMILY) == DEVADDR_INET4)
 598                         af = AF_INET;
 599                 else
 600                         af = AF_INET6;
 601
 602                 r = blobmsg_open_table(&b, NULL);
 603
 604                 buf = blobmsg_alloc_string_buffer(&b, "target", buflen);
 605                 inet_ntop(af, &route->addr, buf, buflen);
 606                 blobmsg_add_string_buffer(&b);
 607
 608                 blobmsg_add_u32(&b, "mask", route->mask);
 609
 610                 buf = blobmsg_alloc_string_buffer(&b, "nexthop", buflen);
 611                 inet_ntop(af, &route->nexthop, buf, buflen);
 612                 blobmsg_add_string_buffer(&b);
 613
 614                 if (route->flags & DEVROUTE_TYPE)
 615                         blobmsg_add_u32(&b, "type", route->type);
 616
 617                 if (route->flags & DEVROUTE_PROTO)
 618                         blobmsg_add_u32(&b, "proto", route->proto);
 619
 620                 if (route->flags & DEVROUTE_MTU)
 621                         blobmsg_add_u32(&b, "mtu", route->mtu);
 622
 623                 if (route->flags & DEVROUTE_METRIC)
 624                         blobmsg_add_u32(&b, "metric", route->metric);
 625
 626                 if (route->flags & DEVROUTE_TABLE)
 627                         blobmsg_add_u32(&b, "table", route->table);
 628
 629                 if (route->valid_until)
 630                         blobmsg_add_u32(&b, "valid", route->valid_until - now);
 631
 632                 buf = blobmsg_alloc_string_buffer(&b, "source", buflen);
 633                 inet_ntop(af, &route->source, buf, buflen);
 634                 snprintf(buf + strlen(buf), buflen - strlen(buf), "/%u", route->sourcemask);
 635                 blobmsg_add_string_buffer(&b);
 636
 637                 blobmsg_close_table(&b, r);
 638         }
 639 }
 640
 641
 642 static void
 643 interface_ip_dump_prefix_list(struct interface_ip_settings *ip)
 644 {
 645         struct device_prefix *prefix;
 646         char *buf;
 647         void *a, *c;
 648         const int buflen = INET6_ADDRSTRLEN;
 649
 650         time_t now = system_get_rtime();
 651         vlist_for_each_element(&ip->prefix, prefix, node) {
 652                 a = blobmsg_open_table(&b, NULL);
 653
 654                 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
 655                 inet_ntop(AF_INET6, &prefix->addr, buf, buflen);
 656                 blobmsg_add_string_buffer(&b);
 657
 658                 blobmsg_add_u32(&b, "mask", prefix->length);
 659
 660                 if (prefix->preferred_until) {
 661                         int preferred = prefix->preferred_until - now;
 662                         if (preferred < 0)
 663                                 preferred = 0;
 664                         blobmsg_add_u32(&b, "preferred", preferred);
 665                 }
 666
 667                 if (prefix->valid_until)
 668                         blobmsg_add_u32(&b, "valid", prefix->valid_until - now);
 669
 670                 blobmsg_add_string(&b, "class", prefix->pclass);
 671
 672                 c = blobmsg_open_table(&b, "assigned");
 673                 struct device_prefix_assignment *assign;
 674                 list_for_each_entry(assign, &prefix->assignments, head) {
 675                         if (!assign->name[0])
 676                                 continue;
 677
 678                         struct in6_addr addr = prefix->addr;
 679                         addr.s6_addr32[1] |= htonl(assign->assigned);
 680
 681                         void *d = blobmsg_open_table(&b, assign->name);
 682
 683                         buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
 684                         inet_ntop(AF_INET6, &addr, buf, buflen);
 685                         blobmsg_add_string_buffer(&b);
 686
 687                         blobmsg_add_u32(&b, "mask", assign->length);
 688
 689                         blobmsg_close_table(&b, d);
 690                 }
 691                 blobmsg_close_table(&b, c);
 692
 693                 blobmsg_close_table(&b, a);
 694         }
 695 }
 696
 697
 698 static void
 699 interface_ip_dump_prefix_assignment_list(struct interface *iface)
 700 {
 701         void *a;
 702         char *buf;
 703         const int buflen = INET6_ADDRSTRLEN;
 704         time_t now = system_get_rtime();
 705
 706         struct device_prefix *prefix;
 707         list_for_each_entry(prefix, &prefixes, head) {
 708                 struct device_prefix_assignment *assign;
 709                 list_for_each_entry(assign, &prefix->assignments, head) {
 710                         if (strcmp(assign->name, iface->name))
 711                                 continue;
 712
 713                         struct in6_addr addr = prefix->addr;
 714                         addr.s6_addr32[1] |= htonl(assign->assigned);
 715
 716                         a = blobmsg_open_table(&b, NULL);
 717
 718                         buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
 719                         inet_ntop(AF_INET6, &addr, buf, buflen);
 720                         blobmsg_add_string_buffer(&b);
 721
 722                         blobmsg_add_u32(&b, "mask", assign->length);
 723
 724                         if (prefix->preferred_until) {
 725                                 int preferred = prefix->preferred_until - now;
 726                                 if (preferred < 0)
 727                                         preferred = 0;
 728                                 blobmsg_add_u32(&b, "preferred", preferred);
 729                         }
 730
 731                         if (prefix->valid_until)
 732                                 blobmsg_add_u32(&b, "valid", prefix->valid_until - now);
 733
 734                         void *c = blobmsg_open_table(&b, "local-address");
 735                         if (assign->enabled) {
 736                                 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
 737                                 inet_ntop(AF_INET6, &assign->addr, buf, buflen);
 738                                 blobmsg_add_string_buffer(&b);
 739
 740                                 blobmsg_add_u32(&b, "mask", assign->length);
 741                         }
 742                         blobmsg_close_table(&b, c);
 743
 744                         blobmsg_close_table(&b, a);
 745                 }
 746         }
 747 }
 748
 749 static void
 750 interface_ip_dump_dns_server_list(struct interface_ip_settings *ip, bool enabled)
 751 {
 752         struct dns_server *dns;
 753         int buflen = 128;
 754         char *buf;
 755
 756         vlist_simple_for_each_element(&ip->dns_servers, dns, node) {
 757                 if (ip->no_dns == enabled)
 758                         continue;
 759
 760                 buf = blobmsg_alloc_string_buffer(&b, NULL, buflen);
 761                 inet_ntop(dns->af, &dns->addr, buf, buflen);
 762                 blobmsg_add_string_buffer(&b);
 763         }
 764 }
 765
 766 static void
 767 interface_ip_dump_dns_search_list(struct interface_ip_settings *ip, bool enabled)
 768 {
 769         struct dns_search_domain *dns;
 770
 771         vlist_simple_for_each_element(&ip->dns_search, dns, node) {
 772                 if (ip->no_dns == enabled)
 773                         continue;
 774
 775                 blobmsg_add_string(&b, NULL, dns->name);
 776         }
 777 }
 778
 779 static void
 780 netifd_dump_status(struct interface *iface)
 781 {
 782         struct interface_data *data;
 783         struct device *dev;
 784         void *a, *inactive;
 785
 786         blobmsg_add_u8(&b, "up", iface->state == IFS_UP);
 787         blobmsg_add_u8(&b, "pending", iface->state == IFS_SETUP);
 788         blobmsg_add_u8(&b, "available", iface->available);
 789         blobmsg_add_u8(&b, "autostart", iface->autostart);
 790         blobmsg_add_u8(&b, "dynamic", iface->dynamic);
 791
 792         if (iface->state == IFS_UP) {
 793                 time_t cur = system_get_rtime();
 794                 blobmsg_add_u32(&b, "uptime", cur - iface->start_time);
 795                 if (iface->l3_dev.dev)
 796                         blobmsg_add_string(&b, "l3_device", iface->l3_dev.dev->ifname);
 797         }
 798
 799         if (iface->proto_handler)
 800                 blobmsg_add_string(&b, "proto", iface->proto_handler->name);
 801
 802         dev = iface->main_dev.dev;
 803         if (dev && !dev->hidden && iface->proto_handler &&
 804             !(iface->proto_handler->flags & PROTO_FLAG_NODEV))
 805                 blobmsg_add_string(&b, "device", dev->ifname);
 806
 807         if (iface->jail)
 808                 blobmsg_add_string(&b, "jail", iface->jail);
 809
 810         if (iface->jail_ifname)
 811                 blobmsg_add_string(&b, "jail_ifname", iface->jail_ifname);
 812
 813         if (iface->state == IFS_UP) {
 814                 if (iface->updated) {
 815                         a = blobmsg_open_array(&b, "updated");
 816
 817                         if (iface->updated & IUF_ADDRESS)
 818                                 blobmsg_add_string(&b, NULL, "addresses");
 819                         if (iface->updated & IUF_ROUTE)
 820                                 blobmsg_add_string(&b, NULL, "routes");
 821                         if (iface->updated & IUF_PREFIX)
 822                                 blobmsg_add_string(&b, NULL, "prefixes");
 823                         if (iface->updated & IUF_DATA)
 824                                 blobmsg_add_string(&b, NULL, "data");
 825
 826                         blobmsg_close_array(&b, a);
 827                 }
 828
 829                 if (iface->ip4table)
 830                         blobmsg_add_u32(&b, "ip4table", iface->ip4table);
 831                 if (iface->ip6table)
 832                         blobmsg_add_u32(&b, "ip6table", iface->ip6table);
 833                 blobmsg_add_u32(&b, "metric", iface->metric);
 834                 blobmsg_add_u32(&b, "dns_metric", iface->dns_metric);
 835                 blobmsg_add_u8(&b, "delegation", !iface->proto_ip.no_delegation);
 836                 if (iface->assignment_weight)
 837                         blobmsg_add_u32(&b, "ip6weight", iface->assignment_weight);
 838                 a = blobmsg_open_array(&b, "ipv4-address");
 839                 interface_ip_dump_address_list(&iface->config_ip, false, true);
 840                 interface_ip_dump_address_list(&iface->proto_ip, false, true);
 841                 blobmsg_close_array(&b, a);
 842                 a = blobmsg_open_array(&b, "ipv6-address");
 843                 interface_ip_dump_address_list(&iface->config_ip, true, true);
 844                 interface_ip_dump_address_list(&iface->proto_ip, true, true);
 845                 blobmsg_close_array(&b, a);
 846                 a = blobmsg_open_array(&b, "ipv6-prefix");
 847                 interface_ip_dump_prefix_list(&iface->config_ip);
 848                 interface_ip_dump_prefix_list(&iface->proto_ip);
 849                 blobmsg_close_array(&b, a);
 850                 a = blobmsg_open_array(&b, "ipv6-prefix-assignment");
 851                 interface_ip_dump_prefix_assignment_list(iface);
 852                 blobmsg_close_array(&b, a);
 853                 a = blobmsg_open_array(&b, "route");
 854                 interface_ip_dump_route_list(&iface->config_ip, true);
 855                 interface_ip_dump_route_list(&iface->proto_ip, true);
 856                 blobmsg_close_array(&b, a);
 857                 a = blobmsg_open_array(&b, "dns-server");
 858                 interface_ip_dump_dns_server_list(&iface->config_ip, true);
 859                 interface_ip_dump_dns_server_list(&iface->proto_ip, true);
 860                 blobmsg_close_array(&b, a);
 861                 a = blobmsg_open_array(&b, "dns-search");
 862                 interface_ip_dump_dns_search_list(&iface->config_ip, true);
 863                 interface_ip_dump_dns_search_list(&iface->proto_ip, true);
 864                 blobmsg_close_array(&b, a);
 865                 a = blobmsg_open_array(&b, "neighbors");
 866                 interface_ip_dump_neighbor_list(&iface->config_ip, true);
 867                 interface_ip_dump_neighbor_list(&iface->proto_ip, true);
 868                 blobmsg_close_array(&b, a);
 869
 870                 inactive = blobmsg_open_table(&b, "inactive");
 871                 a = blobmsg_open_array(&b, "ipv4-address");
 872                 interface_ip_dump_address_list(&iface->config_ip, false, false);
 873                 interface_ip_dump_address_list(&iface->proto_ip, false, false);
 874                 blobmsg_close_array(&b, a);
 875                 a = blobmsg_open_array(&b, "ipv6-address");
 876                 interface_ip_dump_address_list(&iface->config_ip, true, false);
 877                 interface_ip_dump_address_list(&iface->proto_ip, true, false);
 878                 blobmsg_close_array(&b, a);
 879                 a = blobmsg_open_array(&b, "route");
 880                 interface_ip_dump_route_list(&iface->config_ip, false);
 881                 interface_ip_dump_route_list(&iface->proto_ip, false);
 882                 blobmsg_close_array(&b, a);
 883                 a = blobmsg_open_array(&b, "dns-server");
 884                 interface_ip_dump_dns_server_list(&iface->config_ip, false);
 885                 interface_ip_dump_dns_server_list(&iface->proto_ip, false);
 886                 blobmsg_close_array(&b, a);
 887                 a = blobmsg_open_array(&b, "dns-search");
 888                 interface_ip_dump_dns_search_list(&iface->config_ip, false);
 889                 interface_ip_dump_dns_search_list(&iface->proto_ip, false);
 890                 blobmsg_close_array(&b, a);
 891                 a = blobmsg_open_array(&b, "neighbors");
 892                 interface_ip_dump_neighbor_list(&iface->config_ip, false);
 893                 interface_ip_dump_neighbor_list(&iface->proto_ip, false);
 894                 blobmsg_close_array(&b, a);
 895                 blobmsg_close_table(&b, inactive);
 896         }
 897
 898         a = blobmsg_open_table(&b, "data");
 899         avl_for_each_element(&iface->data, data, node)
 900                 blobmsg_add_blob(&b, data->data);
 901
 902         blobmsg_close_table(&b, a);
 903
 904         if (!list_empty(&iface->errors))
 905                 netifd_add_interface_errors(&b, iface);
 906 }
 907
 908 static int
 909 netifd_handle_status(struct ubus_context *ctx, struct ubus_object *obj,
 910                      struct ubus_request_data *req, const char *method,
 911                      struct blob_attr *msg)
 912 {
 913         struct interface *iface = container_of(obj, struct interface, ubus);
 914
 915         blob_buf_init(&b, 0);
 916         netifd_dump_status(iface);
 917         ubus_send_reply(ctx, req, b.head);
 918
 919         return 0;
 920 }
 921
 922
 923 static int
 924 netifd_handle_dump(struct ubus_context *ctx, struct ubus_object *obj,
 925                      struct ubus_request_data *req, const char *method,
 926                      struct blob_attr *msg)
 927 {
 928         blob_buf_init(&b, 0);
 929         void *a = blobmsg_open_array(&b, "interface");
 930
 931         struct interface *iface;
 932         vlist_for_each_element(&interfaces, iface, node) {
 933                 void *i = blobmsg_open_table(&b, NULL);
 934                 blobmsg_add_string(&b, "interface", iface->name);
 935                 netifd_dump_status(iface);
 936                 blobmsg_close_table(&b, i);
 937         }
 938
 939         blobmsg_close_array(&b, a);
 940         ubus_send_reply(ctx, req, b.head);
 941
 942         return 0;
 943 }
 944
 945 enum {
 946         DEV_LINK_NAME,
 947         DEV_LINK_EXT,
 948         DEV_LINK_VLAN,
 949         __DEV_LINK_MAX,
 950 };
 951
 952 static const struct blobmsg_policy dev_link_policy[__DEV_LINK_MAX] = {
 953         [DEV_LINK_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
 954         [DEV_LINK_EXT] = { .name = "link-ext", .type = BLOBMSG_TYPE_BOOL },
 955         [DEV_LINK_VLAN] = { .name = "vlan", .type = BLOBMSG_TYPE_ARRAY },
 956 };
 957
 958 static int
 959 netifd_iface_handle_device(struct ubus_context *ctx, struct ubus_object *obj,
 960                            struct ubus_request_data *req, const char *method,
 961                            struct blob_attr *msg)
 962 {
 963         struct blob_attr *tb[__DEV_LINK_MAX];
 964         struct blob_attr *cur;
 965         struct interface *iface;
 966         bool add = !strncmp(method, "add", 3);
 967         bool link_ext = true;
 968
 969         iface = container_of(obj, struct interface, ubus);
 970
 971         blobmsg_parse(dev_link_policy, __DEV_LINK_MAX, tb, blob_data(msg), blob_len(msg));
 972
 973         if (!tb[DEV_LINK_NAME])
 974                 return UBUS_STATUS_INVALID_ARGUMENT;
 975
 976         cur = tb[DEV_LINK_EXT];
 977         if (cur)
 978                 link_ext = blobmsg_get_bool(cur);
 979
 980         return interface_handle_link(iface, blobmsg_data(tb[DEV_LINK_NAME]),
 981                                      tb[DEV_LINK_VLAN], add, link_ext);
 982 }
 983
 984
 985 static int
 986 netifd_iface_notify_proto(struct ubus_context *ctx, struct ubus_object *obj,
 987                           struct ubus_request_data *req, const char *method,
 988                           struct blob_attr *msg)
 989 {
 990         struct interface *iface;
 991
 992         iface = container_of(obj, struct interface, ubus);
 993
 994         if (!iface->proto || !iface->proto->notify)
 995                 return UBUS_STATUS_NOT_SUPPORTED;
 996
 997         return iface->proto->notify(iface->proto, msg);
 998 }
 999
1000 static void
1001 netifd_iface_do_remove(struct uloop_timeout *timeout)
1002 {
1003         struct interface *iface;
1004
1005         iface = container_of(timeout, struct interface, remove_timer);
1006         vlist_delete(&interfaces, &iface->node);
1007 }
1008
1009 static int
1010 netifd_iface_remove(struct ubus_context *ctx, struct ubus_object *obj,
1011                     struct ubus_request_data *req, const char *method,
1012                     struct blob_attr *msg)
1013 {
1014         struct interface *iface;
1015
1016         iface = container_of(obj, struct interface, ubus);
1017         if (iface->remove_timer.cb)
1018                 return UBUS_STATUS_INVALID_ARGUMENT;
1019
1020         iface->remove_timer.cb = netifd_iface_do_remove;
1021         uloop_timeout_set(&iface->remove_timer, 100);
1022         return 0;
1023 }
1024
1025 static int
1026 netifd_handle_iface_prepare(struct ubus_context *ctx, struct ubus_object *obj,
1027                             struct ubus_request_data *req, const char *method,
1028                             struct blob_attr *msg)
1029 {
1030         struct interface *iface;
1031         struct device *dev, *bridge_dev = NULL;
1032         const struct device_hotplug_ops *ops;
1033
1034         iface = container_of(obj, struct interface, ubus);
1035         dev = iface->main_dev.dev;
1036         if (!dev)
1037                 goto out;
1038
1039         ops = dev->hotplug_ops;
1040         if (!ops)
1041                 goto out;
1042
1043         ops->prepare(dev, &bridge_dev);
1044
1045 out:
1046         blob_buf_init(&b, 0);
1047         if (bridge_dev)
1048                 blobmsg_add_string(&b, "bridge", bridge_dev->ifname);
1049         ubus_send_reply(ctx, req, b.head);
1050
1051         return 0;
1052 }
1053
1054 static int
1055 netifd_handle_set_data(struct ubus_context *ctx, struct ubus_object *obj,
1056                        struct ubus_request_data *req, const char *method,
1057                        struct blob_attr *msg)
1058 {
1059         struct interface *iface;
1060
1061         iface = container_of(obj, struct interface, ubus);
1062
1063         return interface_parse_data(iface, msg);
1064 }
1065
1066 static struct ubus_method iface_object_methods[] = {
1067         { .name = "up", .handler = netifd_handle_up },
1068         { .name = "down", .handler = netifd_handle_down },
1069         { .name = "renew", .handler = netifd_handle_renew },
1070         { .name = "status", .handler = netifd_handle_status },
1071         { .name = "prepare", .handler = netifd_handle_iface_prepare },
1072         { .name = "dump", .handler = netifd_handle_dump },
1073         UBUS_METHOD("add_device", netifd_iface_handle_device, dev_link_policy ),
1074         UBUS_METHOD("remove_device", netifd_iface_handle_device, dev_link_policy ),
1075         { .name = "notify_proto", .handler = netifd_iface_notify_proto },
1076         { .name = "remove", .handler = netifd_iface_remove },
1077         { .name = "set_data", .handler = netifd_handle_set_data },
1078 };
1079
1080 static struct ubus_object_type iface_object_type =
1081         UBUS_OBJECT_TYPE("netifd_iface", iface_object_methods);
1082
1083
1084 static struct ubus_object iface_object = {
1085         .name = "network.interface",
1086         .type = &iface_object_type,
1087         .n_methods = ARRAY_SIZE(iface_object_methods),
1088 };
1089
1090 static void netifd_add_object(struct ubus_object *obj)
1091 {
1092         int ret = ubus_add_object(ubus_ctx, obj);
1093
1094         if (ret != 0)
1095                 fprintf(stderr, "Failed to publish object '%s': %s\n", obj->name, ubus_strerror(ret));
1096 }
1097
1098 static const struct blobmsg_policy iface_policy = {
1099         .name = "interface",
1100         .type = BLOBMSG_TYPE_STRING,
1101 };
1102
1103 static int
1104 netifd_handle_iface(struct ubus_context *ctx, struct ubus_object *obj,
1105                     struct ubus_request_data *req, const char *method,
1106                     struct blob_attr *msg)
1107 {
1108         struct interface *iface;
1109         struct blob_attr *tb;
1110         int i;
1111
1112         blobmsg_parse(&iface_policy, 1, &tb, blob_data(msg), blob_len(msg));
1113         if (!tb)
1114                 return UBUS_STATUS_INVALID_ARGUMENT;
1115
1116         iface = vlist_find(&interfaces, blobmsg_data(tb), iface, node);
1117         if (!iface)
1118                 return UBUS_STATUS_NOT_FOUND;
1119
1120         for (i = 0; i < ARRAY_SIZE(iface_object_methods); i++) {
1121                 ubus_handler_t cb;
1122
1123                 if (strcmp(method, iface_object_methods[i].name) != 0)
1124                         continue;
1125
1126                 cb = iface_object_methods[i].handler;
1127                 return cb(ctx, &iface->ubus, req, method, msg);
1128         }
1129
1130         return UBUS_STATUS_INVALID_ARGUMENT;
1131 }
1132
1133 static void netifd_add_iface_object(void)
1134 {
1135         struct ubus_method *methods;
1136         int i;
1137
1138         methods = calloc(1, sizeof(iface_object_methods));
1139         if (!methods)
1140                 return;
1141
1142         memcpy(methods, iface_object_methods, sizeof(iface_object_methods));
1143         iface_object.methods = methods;
1144
1145         for (i = 0; i < ARRAY_SIZE(iface_object_methods); i++) {
1146                 if (methods[i].handler == netifd_handle_dump)
1147                         continue;
1148
1149                 methods[i].handler = netifd_handle_iface;
1150                 methods[i].policy = &iface_policy;
1151                 methods[i].n_policy = 1;
1152         }
1153         netifd_add_object(&iface_object);
1154 }
1155
1156 static struct wireless_device *
1157 get_wdev(struct blob_attr *msg, int *ret)
1158 {
1159         struct blobmsg_policy wdev_policy = {
1160                 .name = "device",
1161                 .type = BLOBMSG_TYPE_STRING,
1162         };
1163         struct blob_attr *dev_attr;
1164         struct wireless_device *wdev = NULL;
1165
1166
1167         blobmsg_parse(&wdev_policy, 1, &dev_attr, blob_data(msg), blob_len(msg));
1168         if (!dev_attr) {
1169                 *ret = UBUS_STATUS_INVALID_ARGUMENT;
1170                 return NULL;
1171         }
1172
1173         wdev = vlist_find(&wireless_devices, blobmsg_data(dev_attr), wdev, node);
1174         if (!wdev) {
1175                 *ret = UBUS_STATUS_NOT_FOUND;
1176                 return NULL;
1177         }
1178
1179         *ret = 0;
1180         return wdev;
1181 }
1182
1183 static int
1184 netifd_handle_wdev_reconf(struct ubus_context *ctx, struct ubus_object *obj,
1185                           struct ubus_request_data *req, const char *method,
1186                           struct blob_attr *msg)
1187 {
1188         struct wireless_device *wdev;
1189         int ret;
1190
1191         wdev = get_wdev(msg, &ret);
1192         if (ret == UBUS_STATUS_NOT_FOUND)
1193                 return ret;
1194
1195         if (wdev) {
1196                 wireless_device_reconf(wdev);
1197         } else {
1198                 vlist_for_each_element(&wireless_devices, wdev, node)
1199                         wireless_device_reconf(wdev);
1200         }
1201
1202         return 0;
1203 }
1204
1205 static int
1206 netifd_handle_wdev_up(struct ubus_context *ctx, struct ubus_object *obj,
1207                       struct ubus_request_data *req, const char *method,
1208                       struct blob_attr *msg)
1209 {
1210         struct wireless_device *wdev;
1211         int ret;
1212
1213         wdev = get_wdev(msg, &ret);
1214         if (ret == UBUS_STATUS_NOT_FOUND)
1215                 return ret;
1216
1217         if (wdev) {
1218                 wireless_device_set_up(wdev);
1219         } else {
1220                 vlist_for_each_element(&wireless_devices, wdev, node)
1221                         wireless_device_set_up(wdev);
1222         }
1223
1224         return 0;
1225 }
1226
1227 static int
1228 netifd_handle_wdev_down(struct ubus_context *ctx, struct ubus_object *obj,
1229                         struct ubus_request_data *req, const char *method,
1230                         struct blob_attr *msg)
1231 {
1232         struct wireless_device *wdev;
1233         int ret;
1234
1235         wdev = get_wdev(msg, &ret);
1236         if (ret == UBUS_STATUS_NOT_FOUND)
1237                 return ret;
1238
1239         if (wdev) {
1240                 wireless_device_set_down(wdev);
1241         } else {
1242                 vlist_for_each_element(&wireless_devices, wdev, node)
1243                         wireless_device_set_down(wdev);
1244         }
1245
1246         return 0;
1247 }
1248
1249 static int
1250 netifd_handle_wdev_status(struct ubus_context *ctx, struct ubus_object *obj,
1251                           struct ubus_request_data *req, const char *method,
1252                           struct blob_attr *msg)
1253 {
1254         struct wireless_device *wdev;
1255         int ret;
1256
1257         wdev = get_wdev(msg, &ret);
1258         if (ret == UBUS_STATUS_NOT_FOUND)
1259                 return ret;
1260
1261         blob_buf_init(&b, 0);
1262         if (wdev) {
1263                 wireless_device_status(wdev, &b);
1264         } else {
1265                 vlist_for_each_element(&wireless_devices, wdev, node)
1266                         wireless_device_status(wdev, &b);
1267         }
1268         ubus_send_reply(ctx, req, b.head);
1269         return 0;
1270 }
1271
1272 static int
1273 netifd_handle_wdev_get_validate(struct ubus_context *ctx, struct ubus_object *obj,
1274                           struct ubus_request_data *req, const char *method,
1275                           struct blob_attr *msg)
1276 {
1277         struct wireless_device *wdev;
1278         int ret;
1279
1280         wdev = get_wdev(msg, &ret);
1281         if (ret == UBUS_STATUS_NOT_FOUND)
1282                 return ret;
1283
1284         blob_buf_init(&b, 0);
1285         if (wdev) {
1286                 wireless_device_get_validate(wdev, &b);
1287         } else {
1288                 vlist_for_each_element(&wireless_devices, wdev, node)
1289                         wireless_device_get_validate(wdev, &b);
1290         }
1291         ubus_send_reply(ctx, req, b.head);
1292         return 0;
1293 }
1294
1295 static int
1296 netifd_handle_wdev_notify(struct ubus_context *ctx, struct ubus_object *obj,
1297                           struct ubus_request_data *req, const char *method,
1298                           struct blob_attr *msg)
1299 {
1300         struct wireless_device *wdev;
1301         int ret;
1302
1303         wdev = get_wdev(msg, &ret);
1304         if (!wdev)
1305                 return ret;
1306
1307         return wireless_device_notify(wdev, msg, req);
1308 }
1309
1310 static struct ubus_method wireless_object_methods[] = {
1311         { .name = "up", .handler = netifd_handle_wdev_up },
1312         { .name = "down", .handler = netifd_handle_wdev_down },
1313         { .name = "reconf", .handler = netifd_handle_wdev_reconf },
1314         { .name = "status", .handler = netifd_handle_wdev_status },
1315         { .name = "notify", .handler = netifd_handle_wdev_notify },
1316         { .name = "get_validate", .handler = netifd_handle_wdev_get_validate },
1317 };
1318
1319 static struct ubus_object_type wireless_object_type =
1320         UBUS_OBJECT_TYPE("netifd_iface", wireless_object_methods);
1321
1322
1323 static struct ubus_object wireless_object = {
1324         .name = "network.wireless",
1325         .type = &wireless_object_type,
1326         .methods = wireless_object_methods,
1327         .n_methods = ARRAY_SIZE(wireless_object_methods),
1328 };
1329
1330 int
1331 netifd_extdev_invoke(uint32_t id, const char *method, struct blob_attr *msg,
1332          ubus_data_handler_t data_cb, void *data)
1333 {
1334         return ubus_invoke(ubus_ctx, id, method, msg, data_cb, data, 3000);
1335 }
1336
1337 int
1338 netifd_ubus_init(const char *path)
1339 {
1340         uloop_init();
1341         ubus_path = path;
1342
1343         ubus_ctx = ubus_connect(path);
1344         if (!ubus_ctx)
1345                 return -EIO;
1346
1347         DPRINTF("connected as %08x\n", ubus_ctx->local_id);
1348         ubus_ctx->connection_lost = netifd_ubus_connection_lost;
1349         netifd_ubus_add_fd();
1350
1351         netifd_add_object(&main_object);
1352         netifd_add_object(&dev_object);
1353         netifd_add_object(&wireless_object);
1354         netifd_add_iface_object();
1355
1356         return 0;
1357 }
1358
1359 void
1360 netifd_ubus_done(void)
1361 {
1362         ubus_free(ubus_ctx);
1363 }
1364
1365 void
1366 netifd_ubus_interface_event(struct interface *iface, bool up)
1367 {
1368         blob_buf_init(&b, 0);
1369         blobmsg_add_string(&b, "action", up ? "ifup" : "ifdown");
1370         blobmsg_add_string(&b, "interface", iface->name);
1371         ubus_send_event(ubus_ctx, "network.interface", b.head);
1372 }
1373
1374 void
1375 netifd_ubus_interface_notify(struct interface *iface, bool up)
1376 {
1377         const char *event = (up) ? "interface.update" : "interface.down";
1378         blob_buf_init(&b, 0);
1379         blobmsg_add_string(&b, "interface", iface->name);
1380         netifd_dump_status(iface);
1381         ubus_notify(ubus_ctx, &iface_object, event, b.head, -1);
1382         ubus_notify(ubus_ctx, &iface->ubus, event, b.head, -1);
1383 }
1384
1385 void
1386 netifd_ubus_add_interface(struct interface *iface)
1387 {
1388         struct ubus_object *obj = &iface->ubus;
1389         char *name = NULL;
1390
1391         if (asprintf(&name, "%s.interface.%s", main_object.name, iface->name) == -1)
1392                 return;
1393
1394         obj->name = name;
1395         obj->type = &iface_object_type;
1396         obj->methods = iface_object_methods;
1397         obj->n_methods = ARRAY_SIZE(iface_object_methods);
1398         if (ubus_add_object(ubus_ctx, &iface->ubus)) {
1399                 DPRINTF("failed to publish ubus object for interface '%s'\n", iface->name);
1400                 free(name);
1401                 obj->name = NULL;
1402         }
1403 }
1404
1405 void
1406 netifd_ubus_remove_interface(struct interface *iface)
1407 {
1408         if (!iface->ubus.name)
1409                 return;
1410
1411         ubus_remove_object(ubus_ctx, &iface->ubus);
1412         free((void *) iface->ubus.name);
1413 }