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_MAX,
 302 };
 303
 304 static const struct blobmsg_policy dev_state_policy[__DEV_STATE_MAX] = {
 305         [DEV_STATE_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
 306         [DEV_STATE_DEFER] = { .name = "defer", .type = BLOBMSG_TYPE_BOOL },
 307 };
 308
 309 static int
 310 netifd_handle_set_state(struct ubus_context *ctx, struct ubus_object *obj,
 311                         struct ubus_request_data *req, const char *method,
 312                         struct blob_attr *msg)
 313 {
 314         struct device *dev = NULL;
 315         struct blob_attr *tb[__DEV_STATE_MAX];
 316         struct blob_attr *cur;
 317
 318         blobmsg_parse(dev_state_policy, __DEV_STATE_MAX, tb, blob_data(msg), blob_len(msg));
 319
 320         cur = tb[DEV_STATE_NAME];
 321         if (!cur)
 322                 return UBUS_STATUS_INVALID_ARGUMENT;
 323
 324         dev = device_find(blobmsg_data(cur));
 325         if (!dev)
 326                 return UBUS_STATUS_NOT_FOUND;
 327
 328         cur = tb[DEV_STATE_DEFER];
 329         if (cur)
 330                 device_set_deferred(dev, !!blobmsg_get_u8(cur));
 331
 332         return 0;
 333 }
 334
 335 static struct ubus_method dev_object_methods[] = {
 336         UBUS_METHOD("status", netifd_dev_status, dev_policy),
 337         UBUS_METHOD("set_alias", netifd_handle_alias, alias_attrs),
 338         UBUS_METHOD("set_state", netifd_handle_set_state, dev_state_policy),
 339 };
 340
 341 static struct ubus_object_type dev_object_type =
 342         UBUS_OBJECT_TYPE("device", dev_object_methods);
 343
 344 static struct ubus_object dev_object = {
 345         .name = "network.device",
 346         .type = &dev_object_type,
 347         .methods = dev_object_methods,
 348         .n_methods = ARRAY_SIZE(dev_object_methods),
 349 };
 350
 351 static void
 352 netifd_ubus_add_fd(void)
 353 {
 354         ubus_add_uloop(ubus_ctx);
 355         system_fd_set_cloexec(ubus_ctx->sock.fd);
 356 }
 357
 358 static void
 359 netifd_ubus_reconnect_timer(struct uloop_timeout *timeout)
 360 {
 361         static struct uloop_timeout retry = {
 362                 .cb = netifd_ubus_reconnect_timer,
 363         };
 364         int t = 2;
 365
 366         if (ubus_reconnect(ubus_ctx, ubus_path) != 0) {
 367                 DPRINTF("failed to reconnect, trying again in %d seconds\n", t);
 368                 uloop_timeout_set(&retry, t * 1000);
 369                 return;
 370         }
 371
 372         DPRINTF("reconnected to ubus, new id: %08x\n", ubus_ctx->local_id);
 373         netifd_ubus_add_fd();
 374 }
 375
 376 static void
 377 netifd_ubus_connection_lost(struct ubus_context *ctx)
 378 {
 379         netifd_ubus_reconnect_timer(NULL);
 380 }
 381
 382 /* per-interface object */
 383
 384 static int
 385 netifd_handle_up(struct ubus_context *ctx, struct ubus_object *obj,
 386                  struct ubus_request_data *req, const char *method,
 387                  struct blob_attr *msg)
 388 {
 389         struct interface *iface;
 390
 391         iface = container_of(obj, struct interface, ubus);
 392         interface_set_up(iface);
 393
 394         return 0;
 395 }
 396
 397 static int
 398 netifd_handle_down(struct ubus_context *ctx, struct ubus_object *obj,
 399                    struct ubus_request_data *req, const char *method,
 400                    struct blob_attr *msg)
 401 {
 402         struct interface *iface;
 403
 404         iface = container_of(obj, struct interface, ubus);
 405         interface_set_down(iface);
 406
 407         return 0;
 408 }
 409
 410 static int
 411 netifd_handle_renew(struct ubus_context *ctx, struct ubus_object *obj,
 412                    struct ubus_request_data *req, const char *method,
 413                    struct blob_attr *msg)
 414 {
 415         struct interface *iface;
 416
 417         iface = container_of(obj, struct interface, ubus);
 418         interface_renew(iface);
 419
 420         return 0;
 421 }
 422
 423 static void
 424 netifd_add_interface_errors(struct blob_buf *b, struct interface *iface)
 425 {
 426         struct interface_error *error;
 427         void *e, *e2, *e3;
 428         int i;
 429
 430         e = blobmsg_open_array(b, "errors");
 431         list_for_each_entry(error, &iface->errors, list) {
 432                 e2 = blobmsg_open_table(b, NULL);
 433
 434                 blobmsg_add_string(b, "subsystem", error->subsystem);
 435                 blobmsg_add_string(b, "code", error->code);
 436                 if (error->data[0]) {
 437                         e3 = blobmsg_open_array(b, "data");
 438                         for (i = 0; error->data[i]; i++)
 439                                 blobmsg_add_string(b, NULL, error->data[i]);
 440                         blobmsg_close_array(b, e3);
 441                 }
 442
 443                 blobmsg_close_table(b, e2);
 444         }
 445         blobmsg_close_array(b, e);
 446 }
 447
 448 static void
 449 interface_ip_dump_address_list(struct interface_ip_settings *ip, bool v6, bool enabled)
 450 {
 451         struct device_addr *addr;
 452         char *buf;
 453         void *a;
 454         int buflen = 128;
 455         int af;
 456
 457         time_t now = system_get_rtime();
 458         vlist_for_each_element(&ip->addr, addr, node) {
 459                 if (addr->enabled != enabled)
 460                         continue;
 461
 462                 if ((addr->flags & DEVADDR_FAMILY) == DEVADDR_INET4)
 463                         af = AF_INET;
 464                 else
 465                         af = AF_INET6;
 466
 467                 if (af != (v6 ? AF_INET6 : AF_INET))
 468                         continue;
 469
 470                 a = blobmsg_open_table(&b, NULL);
 471
 472                 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
 473                 inet_ntop(af, &addr->addr, buf, buflen);
 474                 blobmsg_add_string_buffer(&b);
 475
 476                 blobmsg_add_u32(&b, "mask", addr->mask);
 477
 478                 if (addr->point_to_point) {
 479                         buf = blobmsg_alloc_string_buffer(&b, "ptpaddress", buflen);
 480                         inet_ntop(af, &addr->point_to_point, buf, buflen);
 481                         blobmsg_add_string_buffer(&b);
 482                 }
 483
 484                 if (addr->preferred_until) {
 485                         int preferred = addr->preferred_until - now;
 486                         if (preferred < 0)
 487                                 preferred = 0;
 488                         blobmsg_add_u32(&b, "preferred", preferred);
 489                 }
 490
 491                 if (addr->valid_until)
 492                         blobmsg_add_u32(&b, "valid", addr->valid_until - now);
 493
 494                 if (addr->pclass)
 495                         blobmsg_add_string(&b, "class", addr->pclass);
 496
 497                 blobmsg_close_table(&b, a);
 498         }
 499 }
 500
 501 static void
 502 interface_ip_dump_neighbor_list(struct interface_ip_settings *ip, bool enabled)
 503 {
 504         struct device_neighbor *neighbor;
 505         int buflen = 128;
 506         char *buf;
 507         void *r;
 508         int af;
 509
 510         vlist_for_each_element(&ip->neighbor, neighbor, node) {
 511                 if (neighbor->enabled != enabled)
 512                         continue;
 513
 514                 if ((neighbor->flags & DEVADDR_FAMILY) == DEVADDR_INET4)
 515                         af = AF_INET;
 516                 else
 517                         af = AF_INET6;
 518
 519                 r = blobmsg_open_table(&b, NULL);
 520
 521                 if (neighbor->flags & DEVNEIGH_MAC)
 522                         blobmsg_add_string(&b, "mac", format_macaddr(neighbor->macaddr));
 523
 524                 buf = blobmsg_alloc_string_buffer(&b , "address", buflen);
 525                 inet_ntop(af, &neighbor->addr, buf, buflen);
 526                 blobmsg_add_string_buffer(&b);
 527
 528                 if (neighbor->proxy)
 529                         blobmsg_add_u32(&b, "proxy", neighbor->proxy);
 530
 531                 if (neighbor->router)
 532                         blobmsg_add_u32(&b, "router", neighbor->router);
 533
 534                 blobmsg_close_table(&b, r);
 535         }
 536 }
 537
 538 static void
 539 interface_ip_dump_route_list(struct interface_ip_settings *ip, bool enabled)
 540 {
 541         struct device_route *route;
 542         int buflen = 128;
 543         char *buf;
 544         void *r;
 545         int af;
 546
 547         time_t now = system_get_rtime();
 548         vlist_for_each_element(&ip->route, route, node) {
 549                 if (route->enabled != enabled)
 550                         continue;
 551
 552                 if ((ip->no_defaultroute == enabled) && !route->mask)
 553                         continue;
 554
 555                 if ((route->flags & DEVADDR_FAMILY) == DEVADDR_INET4)
 556                         af = AF_INET;
 557                 else
 558                         af = AF_INET6;
 559
 560                 r = blobmsg_open_table(&b, NULL);
 561
 562                 buf = blobmsg_alloc_string_buffer(&b, "target", buflen);
 563                 inet_ntop(af, &route->addr, buf, buflen);
 564                 blobmsg_add_string_buffer(&b);
 565
 566                 blobmsg_add_u32(&b, "mask", route->mask);
 567
 568                 buf = blobmsg_alloc_string_buffer(&b, "nexthop", buflen);
 569                 inet_ntop(af, &route->nexthop, buf, buflen);
 570                 blobmsg_add_string_buffer(&b);
 571
 572                 if (route->flags & DEVROUTE_TYPE)
 573                         blobmsg_add_u32(&b, "type", route->type);
 574
 575                 if (route->flags & DEVROUTE_PROTO)
 576                         blobmsg_add_u32(&b, "proto", route->proto);
 577
 578                 if (route->flags & DEVROUTE_MTU)
 579                         blobmsg_add_u32(&b, "mtu", route->mtu);
 580
 581                 if (route->flags & DEVROUTE_METRIC)
 582                         blobmsg_add_u32(&b, "metric", route->metric);
 583
 584                 if (route->flags & DEVROUTE_TABLE)
 585                         blobmsg_add_u32(&b, "table", route->table);
 586
 587                 if (route->valid_until)
 588                         blobmsg_add_u32(&b, "valid", route->valid_until - now);
 589
 590                 buf = blobmsg_alloc_string_buffer(&b, "source", buflen);
 591                 inet_ntop(af, &route->source, buf, buflen);
 592                 snprintf(buf + strlen(buf), buflen - strlen(buf), "/%u", route->sourcemask);
 593                 blobmsg_add_string_buffer(&b);
 594
 595                 blobmsg_close_table(&b, r);
 596         }
 597 }
 598
 599
 600 static void
 601 interface_ip_dump_prefix_list(struct interface_ip_settings *ip)
 602 {
 603         struct device_prefix *prefix;
 604         char *buf;
 605         void *a, *c;
 606         const int buflen = INET6_ADDRSTRLEN;
 607
 608         time_t now = system_get_rtime();
 609         vlist_for_each_element(&ip->prefix, prefix, node) {
 610                 a = blobmsg_open_table(&b, NULL);
 611
 612                 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
 613                 inet_ntop(AF_INET6, &prefix->addr, buf, buflen);
 614                 blobmsg_add_string_buffer(&b);
 615
 616                 blobmsg_add_u32(&b, "mask", prefix->length);
 617
 618                 if (prefix->preferred_until) {
 619                         int preferred = prefix->preferred_until - now;
 620                         if (preferred < 0)
 621                                 preferred = 0;
 622                         blobmsg_add_u32(&b, "preferred", preferred);
 623                 }
 624
 625                 if (prefix->valid_until)
 626                         blobmsg_add_u32(&b, "valid", prefix->valid_until - now);
 627
 628                 blobmsg_add_string(&b, "class", prefix->pclass);
 629
 630                 c = blobmsg_open_table(&b, "assigned");
 631                 struct device_prefix_assignment *assign;
 632                 list_for_each_entry(assign, &prefix->assignments, head) {
 633                         if (!assign->name[0])
 634                                 continue;
 635
 636                         struct in6_addr addr = prefix->addr;
 637                         addr.s6_addr32[1] |= htonl(assign->assigned);
 638
 639                         void *d = blobmsg_open_table(&b, assign->name);
 640
 641                         buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
 642                         inet_ntop(AF_INET6, &addr, buf, buflen);
 643                         blobmsg_add_string_buffer(&b);
 644
 645                         blobmsg_add_u32(&b, "mask", assign->length);
 646
 647                         blobmsg_close_table(&b, d);
 648                 }
 649                 blobmsg_close_table(&b, c);
 650
 651                 blobmsg_close_table(&b, a);
 652         }
 653 }
 654
 655
 656 static void
 657 interface_ip_dump_prefix_assignment_list(struct interface *iface)
 658 {
 659         void *a;
 660         char *buf;
 661         const int buflen = INET6_ADDRSTRLEN;
 662         time_t now = system_get_rtime();
 663
 664         struct device_prefix *prefix;
 665         list_for_each_entry(prefix, &prefixes, head) {
 666                 struct device_prefix_assignment *assign;
 667                 list_for_each_entry(assign, &prefix->assignments, head) {
 668                         if (strcmp(assign->name, iface->name))
 669                                 continue;
 670
 671                         struct in6_addr addr = prefix->addr;
 672                         addr.s6_addr32[1] |= htonl(assign->assigned);
 673
 674                         a = blobmsg_open_table(&b, NULL);
 675
 676                         buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
 677                         inet_ntop(AF_INET6, &addr, buf, buflen);
 678                         blobmsg_add_string_buffer(&b);
 679
 680                         blobmsg_add_u32(&b, "mask", assign->length);
 681
 682                         if (prefix->preferred_until) {
 683                                 int preferred = prefix->preferred_until - now;
 684                                 if (preferred < 0)
 685                                         preferred = 0;
 686                                 blobmsg_add_u32(&b, "preferred", preferred);
 687                         }
 688
 689                         if (prefix->valid_until)
 690                                 blobmsg_add_u32(&b, "valid", prefix->valid_until - now);
 691
 692                         void *c = blobmsg_open_table(&b, "local-address");
 693                         if (assign->enabled) {
 694                                 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
 695                                 inet_ntop(AF_INET6, &assign->addr, buf, buflen);
 696                                 blobmsg_add_string_buffer(&b);
 697
 698                                 blobmsg_add_u32(&b, "mask", assign->length);
 699                         }
 700                         blobmsg_close_table(&b, c);
 701
 702                         blobmsg_close_table(&b, a);
 703                 }
 704         }
 705 }
 706
 707 static void
 708 interface_ip_dump_dns_server_list(struct interface_ip_settings *ip, bool enabled)
 709 {
 710         struct dns_server *dns;
 711         int buflen = 128;
 712         char *buf;
 713
 714         vlist_simple_for_each_element(&ip->dns_servers, dns, node) {
 715                 if (ip->no_dns == enabled)
 716                         continue;
 717
 718                 buf = blobmsg_alloc_string_buffer(&b, NULL, buflen);
 719                 inet_ntop(dns->af, &dns->addr, buf, buflen);
 720                 blobmsg_add_string_buffer(&b);
 721         }
 722 }
 723
 724 static void
 725 interface_ip_dump_dns_search_list(struct interface_ip_settings *ip, bool enabled)
 726 {
 727         struct dns_search_domain *dns;
 728
 729         vlist_simple_for_each_element(&ip->dns_search, dns, node) {
 730                 if (ip->no_dns == enabled)
 731                         continue;
 732
 733                 blobmsg_add_string(&b, NULL, dns->name);
 734         }
 735 }
 736
 737 static void
 738 netifd_dump_status(struct interface *iface)
 739 {
 740         struct interface_data *data;
 741         struct device *dev;
 742         void *a, *inactive;
 743
 744         blobmsg_add_u8(&b, "up", iface->state == IFS_UP);
 745         blobmsg_add_u8(&b, "pending", iface->state == IFS_SETUP);
 746         blobmsg_add_u8(&b, "available", iface->available);
 747         blobmsg_add_u8(&b, "autostart", iface->autostart);
 748         blobmsg_add_u8(&b, "dynamic", iface->dynamic);
 749
 750         if (iface->state == IFS_UP) {
 751                 time_t cur = system_get_rtime();
 752                 blobmsg_add_u32(&b, "uptime", cur - iface->start_time);
 753                 if (iface->l3_dev.dev)
 754                         blobmsg_add_string(&b, "l3_device", iface->l3_dev.dev->ifname);
 755         }
 756
 757         if (iface->proto_handler)
 758                 blobmsg_add_string(&b, "proto", iface->proto_handler->name);
 759
 760         dev = iface->main_dev.dev;
 761         if (dev && !dev->hidden && iface->proto_handler &&
 762             !(iface->proto_handler->flags & PROTO_FLAG_NODEV))
 763                 blobmsg_add_string(&b, "device", dev->ifname);
 764
 765         if (iface->jail)
 766                 blobmsg_add_string(&b, "jail", iface->jail);
 767
 768         if (iface->state == IFS_UP) {
 769                 if (iface->updated) {
 770                         a = blobmsg_open_array(&b, "updated");
 771
 772                         if (iface->updated & IUF_ADDRESS)
 773                                 blobmsg_add_string(&b, NULL, "addresses");
 774                         if (iface->updated & IUF_ROUTE)
 775                                 blobmsg_add_string(&b, NULL, "routes");
 776                         if (iface->updated & IUF_PREFIX)
 777                                 blobmsg_add_string(&b, NULL, "prefixes");
 778                         if (iface->updated & IUF_DATA)
 779                                 blobmsg_add_string(&b, NULL, "data");
 780
 781                         blobmsg_close_array(&b, a);
 782                 }
 783
 784                 if (iface->ip4table)
 785                         blobmsg_add_u32(&b, "ip4table", iface->ip4table);
 786                 if (iface->ip6table)
 787                         blobmsg_add_u32(&b, "ip6table", iface->ip6table);
 788                 blobmsg_add_u32(&b, "metric", iface->metric);
 789                 blobmsg_add_u32(&b, "dns_metric", iface->dns_metric);
 790                 blobmsg_add_u8(&b, "delegation", !iface->proto_ip.no_delegation);
 791                 if (iface->assignment_weight)
 792                         blobmsg_add_u32(&b, "ip6weight", iface->assignment_weight);
 793                 a = blobmsg_open_array(&b, "ipv4-address");
 794                 interface_ip_dump_address_list(&iface->config_ip, false, true);
 795                 interface_ip_dump_address_list(&iface->proto_ip, false, true);
 796                 blobmsg_close_array(&b, a);
 797                 a = blobmsg_open_array(&b, "ipv6-address");
 798                 interface_ip_dump_address_list(&iface->config_ip, true, true);
 799                 interface_ip_dump_address_list(&iface->proto_ip, true, true);
 800                 blobmsg_close_array(&b, a);
 801                 a = blobmsg_open_array(&b, "ipv6-prefix");
 802                 interface_ip_dump_prefix_list(&iface->config_ip);
 803                 interface_ip_dump_prefix_list(&iface->proto_ip);
 804                 blobmsg_close_array(&b, a);
 805                 a = blobmsg_open_array(&b, "ipv6-prefix-assignment");
 806                 interface_ip_dump_prefix_assignment_list(iface);
 807                 blobmsg_close_array(&b, a);
 808                 a = blobmsg_open_array(&b, "route");
 809                 interface_ip_dump_route_list(&iface->config_ip, true);
 810                 interface_ip_dump_route_list(&iface->proto_ip, true);
 811                 blobmsg_close_array(&b, a);
 812                 a = blobmsg_open_array(&b, "dns-server");
 813                 interface_ip_dump_dns_server_list(&iface->config_ip, true);
 814                 interface_ip_dump_dns_server_list(&iface->proto_ip, true);
 815                 blobmsg_close_array(&b, a);
 816                 a = blobmsg_open_array(&b, "dns-search");
 817                 interface_ip_dump_dns_search_list(&iface->config_ip, true);
 818                 interface_ip_dump_dns_search_list(&iface->proto_ip, true);
 819                 blobmsg_close_array(&b, a);
 820                 a = blobmsg_open_array(&b, "neighbors");
 821                 interface_ip_dump_neighbor_list(&iface->config_ip, true);
 822                 interface_ip_dump_neighbor_list(&iface->proto_ip, true);
 823                 blobmsg_close_array(&b, a);
 824
 825                 inactive = blobmsg_open_table(&b, "inactive");
 826                 a = blobmsg_open_array(&b, "ipv4-address");
 827                 interface_ip_dump_address_list(&iface->config_ip, false, false);
 828                 interface_ip_dump_address_list(&iface->proto_ip, false, false);
 829                 blobmsg_close_array(&b, a);
 830                 a = blobmsg_open_array(&b, "ipv6-address");
 831                 interface_ip_dump_address_list(&iface->config_ip, true, false);
 832                 interface_ip_dump_address_list(&iface->proto_ip, true, false);
 833                 blobmsg_close_array(&b, a);
 834                 a = blobmsg_open_array(&b, "route");
 835                 interface_ip_dump_route_list(&iface->config_ip, false);
 836                 interface_ip_dump_route_list(&iface->proto_ip, false);
 837                 blobmsg_close_array(&b, a);
 838                 a = blobmsg_open_array(&b, "dns-server");
 839                 interface_ip_dump_dns_server_list(&iface->config_ip, false);
 840                 interface_ip_dump_dns_server_list(&iface->proto_ip, false);
 841                 blobmsg_close_array(&b, a);
 842                 a = blobmsg_open_array(&b, "dns-search");
 843                 interface_ip_dump_dns_search_list(&iface->config_ip, false);
 844                 interface_ip_dump_dns_search_list(&iface->proto_ip, false);
 845                 blobmsg_close_array(&b, a);
 846                 a = blobmsg_open_array(&b, "neighbors");
 847                 interface_ip_dump_neighbor_list(&iface->config_ip, false);
 848                 interface_ip_dump_neighbor_list(&iface->proto_ip, false);
 849                 blobmsg_close_array(&b, a);
 850                 blobmsg_close_table(&b, inactive);
 851         }
 852
 853         a = blobmsg_open_table(&b, "data");
 854         avl_for_each_element(&iface->data, data, node)
 855                 blobmsg_add_blob(&b, data->data);
 856
 857         blobmsg_close_table(&b, a);
 858
 859         if (!list_empty(&iface->errors))
 860                 netifd_add_interface_errors(&b, iface);
 861 }
 862
 863 static int
 864 netifd_handle_status(struct ubus_context *ctx, struct ubus_object *obj,
 865                      struct ubus_request_data *req, const char *method,
 866                      struct blob_attr *msg)
 867 {
 868         struct interface *iface = container_of(obj, struct interface, ubus);
 869
 870         blob_buf_init(&b, 0);
 871         netifd_dump_status(iface);
 872         ubus_send_reply(ctx, req, b.head);
 873
 874         return 0;
 875 }
 876
 877
 878 static int
 879 netifd_handle_dump(struct ubus_context *ctx, struct ubus_object *obj,
 880                      struct ubus_request_data *req, const char *method,
 881                      struct blob_attr *msg)
 882 {
 883         blob_buf_init(&b, 0);
 884         void *a = blobmsg_open_array(&b, "interface");
 885
 886         struct interface *iface;
 887         vlist_for_each_element(&interfaces, iface, node) {
 888                 void *i = blobmsg_open_table(&b, NULL);
 889                 blobmsg_add_string(&b, "interface", iface->name);
 890                 netifd_dump_status(iface);
 891                 blobmsg_close_table(&b, i);
 892         }
 893
 894         blobmsg_close_array(&b, a);
 895         ubus_send_reply(ctx, req, b.head);
 896
 897         return 0;
 898 }
 899
 900 enum {
 901         DEV_LINK_NAME,
 902         DEV_LINK_EXT,
 903         __DEV_LINK_MAX,
 904 };
 905
 906 static const struct blobmsg_policy dev_link_policy[__DEV_LINK_MAX] = {
 907         [DEV_LINK_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
 908         [DEV_LINK_EXT] = { .name = "link-ext", .type = BLOBMSG_TYPE_BOOL },
 909 };
 910
 911 static int
 912 netifd_iface_handle_device(struct ubus_context *ctx, struct ubus_object *obj,
 913                            struct ubus_request_data *req, const char *method,
 914                            struct blob_attr *msg)
 915 {
 916         struct blob_attr *tb[__DEV_LINK_MAX];
 917         struct blob_attr *cur;
 918         struct interface *iface;
 919         bool add = !strncmp(method, "add", 3);
 920         bool link_ext = true;
 921
 922         iface = container_of(obj, struct interface, ubus);
 923
 924         blobmsg_parse(dev_link_policy, __DEV_LINK_MAX, tb, blob_data(msg), blob_len(msg));
 925
 926         if (!tb[DEV_LINK_NAME])
 927                 return UBUS_STATUS_INVALID_ARGUMENT;
 928
 929         cur = tb[DEV_LINK_EXT];
 930         if (cur)
 931                 link_ext = blobmsg_get_bool(cur);
 932
 933         return interface_handle_link(iface, blobmsg_data(tb[DEV_LINK_NAME]), add, link_ext);
 934 }
 935
 936
 937 static int
 938 netifd_iface_notify_proto(struct ubus_context *ctx, struct ubus_object *obj,
 939                           struct ubus_request_data *req, const char *method,
 940                           struct blob_attr *msg)
 941 {
 942         struct interface *iface;
 943
 944         iface = container_of(obj, struct interface, ubus);
 945
 946         if (!iface->proto || !iface->proto->notify)
 947                 return UBUS_STATUS_NOT_SUPPORTED;
 948
 949         return iface->proto->notify(iface->proto, msg);
 950 }
 951
 952 static void
 953 netifd_iface_do_remove(struct uloop_timeout *timeout)
 954 {
 955         struct interface *iface;
 956
 957         iface = container_of(timeout, struct interface, remove_timer);
 958         vlist_delete(&interfaces, &iface->node);
 959 }
 960
 961 static int
 962 netifd_iface_remove(struct ubus_context *ctx, struct ubus_object *obj,
 963                     struct ubus_request_data *req, const char *method,
 964                     struct blob_attr *msg)
 965 {
 966         struct interface *iface;
 967
 968         iface = container_of(obj, struct interface, ubus);
 969         if (iface->remove_timer.cb)
 970                 return UBUS_STATUS_INVALID_ARGUMENT;
 971
 972         iface->remove_timer.cb = netifd_iface_do_remove;
 973         uloop_timeout_set(&iface->remove_timer, 100);
 974         return 0;
 975 }
 976
 977 static int
 978 netifd_handle_iface_prepare(struct ubus_context *ctx, struct ubus_object *obj,
 979                             struct ubus_request_data *req, const char *method,
 980                             struct blob_attr *msg)
 981 {
 982         struct interface *iface;
 983         struct device *dev;
 984         const struct device_hotplug_ops *ops;
 985
 986         iface = container_of(obj, struct interface, ubus);
 987         dev = iface->main_dev.dev;
 988         if (!dev)
 989                 return 0;
 990
 991         ops = dev->hotplug_ops;
 992         if (!ops)
 993                 return 0;
 994
 995         return ops->prepare(dev);
 996 }
 997
 998 static int
 999 netifd_handle_set_data(struct ubus_context *ctx, struct ubus_object *obj,
1000                        struct ubus_request_data *req, const char *method,
1001                        struct blob_attr *msg)
1002 {
1003         struct interface *iface;
1004
1005         iface = container_of(obj, struct interface, ubus);
1006
1007         return interface_parse_data(iface, msg);
1008 }
1009
1010 static struct ubus_method iface_object_methods[] = {
1011         { .name = "up", .handler = netifd_handle_up },
1012         { .name = "down", .handler = netifd_handle_down },
1013         { .name = "renew", .handler = netifd_handle_renew },
1014         { .name = "status", .handler = netifd_handle_status },
1015         { .name = "prepare", .handler = netifd_handle_iface_prepare },
1016         { .name = "dump", .handler = netifd_handle_dump },
1017         UBUS_METHOD("add_device", netifd_iface_handle_device, dev_link_policy ),
1018         UBUS_METHOD("remove_device", netifd_iface_handle_device, dev_link_policy ),
1019         { .name = "notify_proto", .handler = netifd_iface_notify_proto },
1020         { .name = "remove", .handler = netifd_iface_remove },
1021         { .name = "set_data", .handler = netifd_handle_set_data },
1022 };
1023
1024 static struct ubus_object_type iface_object_type =
1025         UBUS_OBJECT_TYPE("netifd_iface", iface_object_methods);
1026
1027
1028 static struct ubus_object iface_object = {
1029         .name = "network.interface",
1030         .type = &iface_object_type,
1031         .n_methods = ARRAY_SIZE(iface_object_methods),
1032 };
1033
1034 static void netifd_add_object(struct ubus_object *obj)
1035 {
1036         int ret = ubus_add_object(ubus_ctx, obj);
1037
1038         if (ret != 0)
1039                 fprintf(stderr, "Failed to publish object '%s': %s\n", obj->name, ubus_strerror(ret));
1040 }
1041
1042 static const struct blobmsg_policy iface_policy = {
1043         .name = "interface",
1044         .type = BLOBMSG_TYPE_STRING,
1045 };
1046
1047 static int
1048 netifd_handle_iface(struct ubus_context *ctx, struct ubus_object *obj,
1049                     struct ubus_request_data *req, const char *method,
1050                     struct blob_attr *msg)
1051 {
1052         struct interface *iface;
1053         struct blob_attr *tb;
1054         int i;
1055
1056         blobmsg_parse(&iface_policy, 1, &tb, blob_data(msg), blob_len(msg));
1057         if (!tb)
1058                 return UBUS_STATUS_INVALID_ARGUMENT;
1059
1060         iface = vlist_find(&interfaces, blobmsg_data(tb), iface, node);
1061         if (!iface)
1062                 return UBUS_STATUS_NOT_FOUND;
1063
1064         for (i = 0; i < ARRAY_SIZE(iface_object_methods); i++) {
1065                 ubus_handler_t cb;
1066
1067                 if (strcmp(method, iface_object_methods[i].name) != 0)
1068                         continue;
1069
1070                 cb = iface_object_methods[i].handler;
1071                 return cb(ctx, &iface->ubus, req, method, msg);
1072         }
1073
1074         return UBUS_STATUS_INVALID_ARGUMENT;
1075 }
1076
1077 static void netifd_add_iface_object(void)
1078 {
1079         struct ubus_method *methods;
1080         int i;
1081
1082         methods = calloc(1, sizeof(iface_object_methods));
1083         if (!methods)
1084                 return;
1085
1086         memcpy(methods, iface_object_methods, sizeof(iface_object_methods));
1087         iface_object.methods = methods;
1088
1089         for (i = 0; i < ARRAY_SIZE(iface_object_methods); i++) {
1090                 if (methods[i].handler == netifd_handle_dump)
1091                         continue;
1092
1093                 methods[i].handler = netifd_handle_iface;
1094                 methods[i].policy = &iface_policy;
1095                 methods[i].n_policy = 1;
1096         }
1097         netifd_add_object(&iface_object);
1098 }
1099
1100 static struct wireless_device *
1101 get_wdev(struct blob_attr *msg, int *ret)
1102 {
1103         struct blobmsg_policy wdev_policy = {
1104                 .name = "device",
1105                 .type = BLOBMSG_TYPE_STRING,
1106         };
1107         struct blob_attr *dev_attr;
1108         struct wireless_device *wdev = NULL;
1109
1110
1111         blobmsg_parse(&wdev_policy, 1, &dev_attr, blob_data(msg), blob_len(msg));
1112         if (!dev_attr) {
1113                 *ret = UBUS_STATUS_INVALID_ARGUMENT;
1114                 return NULL;
1115         }
1116
1117         wdev = vlist_find(&wireless_devices, blobmsg_data(dev_attr), wdev, node);
1118         if (!wdev) {
1119                 *ret = UBUS_STATUS_NOT_FOUND;
1120                 return NULL;
1121         }
1122
1123         *ret = 0;
1124         return wdev;
1125 }
1126
1127 static int
1128 netifd_handle_wdev_reconf(struct ubus_context *ctx, struct ubus_object *obj,
1129                           struct ubus_request_data *req, const char *method,
1130                           struct blob_attr *msg)
1131 {
1132         struct wireless_device *wdev;
1133         int ret;
1134
1135         wdev = get_wdev(msg, &ret);
1136         if (ret == UBUS_STATUS_NOT_FOUND)
1137                 return ret;
1138
1139         if (wdev) {
1140                 wireless_device_reconf(wdev);
1141         } else {
1142                 vlist_for_each_element(&wireless_devices, wdev, node)
1143                         wireless_device_reconf(wdev);
1144         }
1145
1146         return 0;
1147 }
1148
1149 static int
1150 netifd_handle_wdev_up(struct ubus_context *ctx, struct ubus_object *obj,
1151                       struct ubus_request_data *req, const char *method,
1152                       struct blob_attr *msg)
1153 {
1154         struct wireless_device *wdev;
1155         int ret;
1156
1157         wdev = get_wdev(msg, &ret);
1158         if (ret == UBUS_STATUS_NOT_FOUND)
1159                 return ret;
1160
1161         if (wdev) {
1162                 wireless_device_set_up(wdev);
1163         } else {
1164                 vlist_for_each_element(&wireless_devices, wdev, node)
1165                         wireless_device_set_up(wdev);
1166         }
1167
1168         return 0;
1169 }
1170
1171 static int
1172 netifd_handle_wdev_down(struct ubus_context *ctx, struct ubus_object *obj,
1173                         struct ubus_request_data *req, const char *method,
1174                         struct blob_attr *msg)
1175 {
1176         struct wireless_device *wdev;
1177         int ret;
1178
1179         wdev = get_wdev(msg, &ret);
1180         if (ret == UBUS_STATUS_NOT_FOUND)
1181                 return ret;
1182
1183         if (wdev) {
1184                 wireless_device_set_down(wdev);
1185         } else {
1186                 vlist_for_each_element(&wireless_devices, wdev, node)
1187                         wireless_device_set_down(wdev);
1188         }
1189
1190         return 0;
1191 }
1192
1193 static int
1194 netifd_handle_wdev_status(struct ubus_context *ctx, struct ubus_object *obj,
1195                           struct ubus_request_data *req, const char *method,
1196                           struct blob_attr *msg)
1197 {
1198         struct wireless_device *wdev;
1199         int ret;
1200
1201         wdev = get_wdev(msg, &ret);
1202         if (ret == UBUS_STATUS_NOT_FOUND)
1203                 return ret;
1204
1205         blob_buf_init(&b, 0);
1206         if (wdev) {
1207                 wireless_device_status(wdev, &b);
1208         } else {
1209                 vlist_for_each_element(&wireless_devices, wdev, node)
1210                         wireless_device_status(wdev, &b);
1211         }
1212         ubus_send_reply(ctx, req, b.head);
1213         return 0;
1214 }
1215
1216 static int
1217 netifd_handle_wdev_get_validate(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         blob_buf_init(&b, 0);
1229         if (wdev) {
1230                 wireless_device_get_validate(wdev, &b);
1231         } else {
1232                 vlist_for_each_element(&wireless_devices, wdev, node)
1233                         wireless_device_get_validate(wdev, &b);
1234         }
1235         ubus_send_reply(ctx, req, b.head);
1236         return 0;
1237 }
1238
1239 static int
1240 netifd_handle_wdev_notify(struct ubus_context *ctx, struct ubus_object *obj,
1241                           struct ubus_request_data *req, const char *method,
1242                           struct blob_attr *msg)
1243 {
1244         struct wireless_device *wdev;
1245         int ret;
1246
1247         wdev = get_wdev(msg, &ret);
1248         if (!wdev)
1249                 return ret;
1250
1251         return wireless_device_notify(wdev, msg, req);
1252 }
1253
1254 static struct ubus_method wireless_object_methods[] = {
1255         { .name = "up", .handler = netifd_handle_wdev_up },
1256         { .name = "down", .handler = netifd_handle_wdev_down },
1257         { .name = "reconf", .handler = netifd_handle_wdev_reconf },
1258         { .name = "status", .handler = netifd_handle_wdev_status },
1259         { .name = "notify", .handler = netifd_handle_wdev_notify },
1260         { .name = "get_validate", .handler = netifd_handle_wdev_get_validate },
1261 };
1262
1263 static struct ubus_object_type wireless_object_type =
1264         UBUS_OBJECT_TYPE("netifd_iface", wireless_object_methods);
1265
1266
1267 static struct ubus_object wireless_object = {
1268         .name = "network.wireless",
1269         .type = &wireless_object_type,
1270         .methods = wireless_object_methods,
1271         .n_methods = ARRAY_SIZE(wireless_object_methods),
1272 };
1273
1274 int
1275 netifd_ubus_init(const char *path)
1276 {
1277         uloop_init();
1278         ubus_path = path;
1279
1280         ubus_ctx = ubus_connect(path);
1281         if (!ubus_ctx)
1282                 return -EIO;
1283
1284         DPRINTF("connected as %08x\n", ubus_ctx->local_id);
1285         ubus_ctx->connection_lost = netifd_ubus_connection_lost;
1286         netifd_ubus_add_fd();
1287
1288         netifd_add_object(&main_object);
1289         netifd_add_object(&dev_object);
1290         netifd_add_object(&wireless_object);
1291         netifd_add_iface_object();
1292
1293         return 0;
1294 }
1295
1296 void
1297 netifd_ubus_done(void)
1298 {
1299         ubus_free(ubus_ctx);
1300 }
1301
1302 void
1303 netifd_ubus_interface_event(struct interface *iface, bool up)
1304 {
1305         blob_buf_init(&b, 0);
1306         blobmsg_add_string(&b, "action", up ? "ifup" : "ifdown");
1307         blobmsg_add_string(&b, "interface", iface->name);
1308         ubus_send_event(ubus_ctx, "network.interface", b.head);
1309 }
1310
1311 void
1312 netifd_ubus_interface_notify(struct interface *iface, bool up)
1313 {
1314         const char *event = (up) ? "interface.update" : "interface.down";
1315         blob_buf_init(&b, 0);
1316         blobmsg_add_string(&b, "interface", iface->name);
1317         netifd_dump_status(iface);
1318         ubus_notify(ubus_ctx, &iface_object, event, b.head, -1);
1319         ubus_notify(ubus_ctx, &iface->ubus, event, b.head, -1);
1320 }
1321
1322 void
1323 netifd_ubus_add_interface(struct interface *iface)
1324 {
1325         struct ubus_object *obj = &iface->ubus;
1326         char *name = NULL;
1327
1328         if (asprintf(&name, "%s.interface.%s", main_object.name, iface->name) == -1)
1329                 return;
1330
1331         obj->name = name;
1332         obj->type = &iface_object_type;
1333         obj->methods = iface_object_methods;
1334         obj->n_methods = ARRAY_SIZE(iface_object_methods);
1335         if (ubus_add_object(ubus_ctx, &iface->ubus)) {
1336                 DPRINTF("failed to publish ubus object for interface '%s'\n", iface->name);
1337                 free(name);
1338                 obj->name = NULL;
1339         }
1340 }
1341
1342 void
1343 netifd_ubus_remove_interface(struct interface *iface)
1344 {
1345         if (!iface->ubus.name)
1346                 return;
1347
1348         ubus_remove_object(ubus_ctx, &iface->ubus);
1349         free((void *) iface->ubus.name);
1350 }