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 static struct ubus_method dev_object_methods[] = {
 342         UBUS_METHOD("status", netifd_dev_status, dev_policy),
 343         UBUS_METHOD("set_alias", netifd_handle_alias, alias_attrs),
 344         UBUS_METHOD("set_state", netifd_handle_set_state, dev_state_policy),
 345 };
 346
 347 static struct ubus_object_type dev_object_type =
 348         UBUS_OBJECT_TYPE("device", dev_object_methods);
 349
 350 static struct ubus_object dev_object = {
 351         .name = "network.device",
 352         .type = &dev_object_type,
 353         .methods = dev_object_methods,
 354         .n_methods = ARRAY_SIZE(dev_object_methods),
 355 };
 356
 357 static void
 358 netifd_ubus_add_fd(void)
 359 {
 360         ubus_add_uloop(ubus_ctx);
 361         system_fd_set_cloexec(ubus_ctx->sock.fd);
 362 }
 363
 364 static void
 365 netifd_ubus_reconnect_timer(struct uloop_timeout *timeout)
 366 {
 367         static struct uloop_timeout retry = {
 368                 .cb = netifd_ubus_reconnect_timer,
 369         };
 370         int t = 2;
 371
 372         if (ubus_reconnect(ubus_ctx, ubus_path) != 0) {
 373                 DPRINTF("failed to reconnect, trying again in %d seconds\n", t);
 374                 uloop_timeout_set(&retry, t * 1000);
 375                 return;
 376         }
 377
 378         DPRINTF("reconnected to ubus, new id: %08x\n", ubus_ctx->local_id);
 379         netifd_ubus_add_fd();
 380 }
 381
 382 static void
 383 netifd_ubus_connection_lost(struct ubus_context *ctx)
 384 {
 385         netifd_ubus_reconnect_timer(NULL);
 386 }
 387
 388 /* per-interface object */
 389
 390 static int
 391 netifd_handle_up(struct ubus_context *ctx, struct ubus_object *obj,
 392                  struct ubus_request_data *req, const char *method,
 393                  struct blob_attr *msg)
 394 {
 395         struct interface *iface;
 396
 397         iface = container_of(obj, struct interface, ubus);
 398         interface_set_up(iface);
 399
 400         return 0;
 401 }
 402
 403 static int
 404 netifd_handle_down(struct ubus_context *ctx, struct ubus_object *obj,
 405                    struct ubus_request_data *req, const char *method,
 406                    struct blob_attr *msg)
 407 {
 408         struct interface *iface;
 409
 410         iface = container_of(obj, struct interface, ubus);
 411         interface_set_down(iface);
 412
 413         return 0;
 414 }
 415
 416 static int
 417 netifd_handle_renew(struct ubus_context *ctx, struct ubus_object *obj,
 418                    struct ubus_request_data *req, const char *method,
 419                    struct blob_attr *msg)
 420 {
 421         struct interface *iface;
 422
 423         iface = container_of(obj, struct interface, ubus);
 424         interface_renew(iface);
 425
 426         return 0;
 427 }
 428
 429 static void
 430 netifd_add_interface_errors(struct blob_buf *b, struct interface *iface)
 431 {
 432         struct interface_error *error;
 433         void *e, *e2, *e3;
 434         int i;
 435
 436         e = blobmsg_open_array(b, "errors");
 437         list_for_each_entry(error, &iface->errors, list) {
 438                 e2 = blobmsg_open_table(b, NULL);
 439
 440                 blobmsg_add_string(b, "subsystem", error->subsystem);
 441                 blobmsg_add_string(b, "code", error->code);
 442                 if (error->data[0]) {
 443                         e3 = blobmsg_open_array(b, "data");
 444                         for (i = 0; error->data[i]; i++)
 445                                 blobmsg_add_string(b, NULL, error->data[i]);
 446                         blobmsg_close_array(b, e3);
 447                 }
 448
 449                 blobmsg_close_table(b, e2);
 450         }
 451         blobmsg_close_array(b, e);
 452 }
 453
 454 static void
 455 interface_ip_dump_address_list(struct interface_ip_settings *ip, bool v6, bool enabled)
 456 {
 457         struct device_addr *addr;
 458         char *buf;
 459         void *a;
 460         int buflen = 128;
 461         int af;
 462
 463         time_t now = system_get_rtime();
 464         vlist_for_each_element(&ip->addr, addr, node) {
 465                 if (addr->enabled != enabled)
 466                         continue;
 467
 468                 if ((addr->flags & DEVADDR_FAMILY) == DEVADDR_INET4)
 469                         af = AF_INET;
 470                 else
 471                         af = AF_INET6;
 472
 473                 if (af != (v6 ? AF_INET6 : AF_INET))
 474                         continue;
 475
 476                 a = blobmsg_open_table(&b, NULL);
 477
 478                 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
 479                 inet_ntop(af, &addr->addr, buf, buflen);
 480                 blobmsg_add_string_buffer(&b);
 481
 482                 blobmsg_add_u32(&b, "mask", addr->mask);
 483
 484                 if (addr->point_to_point) {
 485                         buf = blobmsg_alloc_string_buffer(&b, "ptpaddress", buflen);
 486                         inet_ntop(af, &addr->point_to_point, buf, buflen);
 487                         blobmsg_add_string_buffer(&b);
 488                 }
 489
 490                 if (addr->preferred_until) {
 491                         int preferred = addr->preferred_until - now;
 492                         if (preferred < 0)
 493                                 preferred = 0;
 494                         blobmsg_add_u32(&b, "preferred", preferred);
 495                 }
 496
 497                 if (addr->valid_until)
 498                         blobmsg_add_u32(&b, "valid", addr->valid_until - now);
 499
 500                 if (addr->pclass)
 501                         blobmsg_add_string(&b, "class", addr->pclass);
 502
 503                 blobmsg_close_table(&b, a);
 504         }
 505 }
 506
 507 static void
 508 interface_ip_dump_neighbor_list(struct interface_ip_settings *ip, bool enabled)
 509 {
 510         struct device_neighbor *neighbor;
 511         int buflen = 128;
 512         char *buf;
 513         void *r;
 514         int af;
 515
 516         vlist_for_each_element(&ip->neighbor, neighbor, node) {
 517                 if (neighbor->enabled != enabled)
 518                         continue;
 519
 520                 if ((neighbor->flags & DEVADDR_FAMILY) == DEVADDR_INET4)
 521                         af = AF_INET;
 522                 else
 523                         af = AF_INET6;
 524
 525                 r = blobmsg_open_table(&b, NULL);
 526
 527                 if (neighbor->flags & DEVNEIGH_MAC)
 528                         blobmsg_add_string(&b, "mac", format_macaddr(neighbor->macaddr));
 529
 530                 buf = blobmsg_alloc_string_buffer(&b , "address", buflen);
 531                 inet_ntop(af, &neighbor->addr, buf, buflen);
 532                 blobmsg_add_string_buffer(&b);
 533
 534                 if (neighbor->proxy)
 535                         blobmsg_add_u32(&b, "proxy", neighbor->proxy);
 536
 537                 if (neighbor->router)
 538                         blobmsg_add_u32(&b, "router", neighbor->router);
 539
 540                 blobmsg_close_table(&b, r);
 541         }
 542 }
 543
 544 static void
 545 interface_ip_dump_route_list(struct interface_ip_settings *ip, bool enabled)
 546 {
 547         struct device_route *route;
 548         int buflen = 128;
 549         char *buf;
 550         void *r;
 551         int af;
 552
 553         time_t now = system_get_rtime();
 554         vlist_for_each_element(&ip->route, route, node) {
 555                 if (route->enabled != enabled)
 556                         continue;
 557
 558                 if ((ip->no_defaultroute == enabled) && !route->mask)
 559                         continue;
 560
 561                 if ((route->flags & DEVADDR_FAMILY) == DEVADDR_INET4)
 562                         af = AF_INET;
 563                 else
 564                         af = AF_INET6;
 565
 566                 r = blobmsg_open_table(&b, NULL);
 567
 568                 buf = blobmsg_alloc_string_buffer(&b, "target", buflen);
 569                 inet_ntop(af, &route->addr, buf, buflen);
 570                 blobmsg_add_string_buffer(&b);
 571
 572                 blobmsg_add_u32(&b, "mask", route->mask);
 573
 574                 buf = blobmsg_alloc_string_buffer(&b, "nexthop", buflen);
 575                 inet_ntop(af, &route->nexthop, buf, buflen);
 576                 blobmsg_add_string_buffer(&b);
 577
 578                 if (route->flags & DEVROUTE_TYPE)
 579                         blobmsg_add_u32(&b, "type", route->type);
 580
 581                 if (route->flags & DEVROUTE_PROTO)
 582                         blobmsg_add_u32(&b, "proto", route->proto);
 583
 584                 if (route->flags & DEVROUTE_MTU)
 585                         blobmsg_add_u32(&b, "mtu", route->mtu);
 586
 587                 if (route->flags & DEVROUTE_METRIC)
 588                         blobmsg_add_u32(&b, "metric", route->metric);
 589
 590                 if (route->flags & DEVROUTE_TABLE)
 591                         blobmsg_add_u32(&b, "table", route->table);
 592
 593                 if (route->valid_until)
 594                         blobmsg_add_u32(&b, "valid", route->valid_until - now);
 595
 596                 buf = blobmsg_alloc_string_buffer(&b, "source", buflen);
 597                 inet_ntop(af, &route->source, buf, buflen);
 598                 snprintf(buf + strlen(buf), buflen - strlen(buf), "/%u", route->sourcemask);
 599                 blobmsg_add_string_buffer(&b);
 600
 601                 blobmsg_close_table(&b, r);
 602         }
 603 }
 604
 605
 606 static void
 607 interface_ip_dump_prefix_list(struct interface_ip_settings *ip)
 608 {
 609         struct device_prefix *prefix;
 610         char *buf;
 611         void *a, *c;
 612         const int buflen = INET6_ADDRSTRLEN;
 613
 614         time_t now = system_get_rtime();
 615         vlist_for_each_element(&ip->prefix, prefix, node) {
 616                 a = blobmsg_open_table(&b, NULL);
 617
 618                 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
 619                 inet_ntop(AF_INET6, &prefix->addr, buf, buflen);
 620                 blobmsg_add_string_buffer(&b);
 621
 622                 blobmsg_add_u32(&b, "mask", prefix->length);
 623
 624                 if (prefix->preferred_until) {
 625                         int preferred = prefix->preferred_until - now;
 626                         if (preferred < 0)
 627                                 preferred = 0;
 628                         blobmsg_add_u32(&b, "preferred", preferred);
 629                 }
 630
 631                 if (prefix->valid_until)
 632                         blobmsg_add_u32(&b, "valid", prefix->valid_until - now);
 633
 634                 blobmsg_add_string(&b, "class", prefix->pclass);
 635
 636                 c = blobmsg_open_table(&b, "assigned");
 637                 struct device_prefix_assignment *assign;
 638                 list_for_each_entry(assign, &prefix->assignments, head) {
 639                         if (!assign->name[0])
 640                                 continue;
 641
 642                         struct in6_addr addr = prefix->addr;
 643                         addr.s6_addr32[1] |= htonl(assign->assigned);
 644
 645                         void *d = blobmsg_open_table(&b, assign->name);
 646
 647                         buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
 648                         inet_ntop(AF_INET6, &addr, buf, buflen);
 649                         blobmsg_add_string_buffer(&b);
 650
 651                         blobmsg_add_u32(&b, "mask", assign->length);
 652
 653                         blobmsg_close_table(&b, d);
 654                 }
 655                 blobmsg_close_table(&b, c);
 656
 657                 blobmsg_close_table(&b, a);
 658         }
 659 }
 660
 661
 662 static void
 663 interface_ip_dump_prefix_assignment_list(struct interface *iface)
 664 {
 665         void *a;
 666         char *buf;
 667         const int buflen = INET6_ADDRSTRLEN;
 668         time_t now = system_get_rtime();
 669
 670         struct device_prefix *prefix;
 671         list_for_each_entry(prefix, &prefixes, head) {
 672                 struct device_prefix_assignment *assign;
 673                 list_for_each_entry(assign, &prefix->assignments, head) {
 674                         if (strcmp(assign->name, iface->name))
 675                                 continue;
 676
 677                         struct in6_addr addr = prefix->addr;
 678                         addr.s6_addr32[1] |= htonl(assign->assigned);
 679
 680                         a = blobmsg_open_table(&b, NULL);
 681
 682                         buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
 683                         inet_ntop(AF_INET6, &addr, buf, buflen);
 684                         blobmsg_add_string_buffer(&b);
 685
 686                         blobmsg_add_u32(&b, "mask", assign->length);
 687
 688                         if (prefix->preferred_until) {
 689                                 int preferred = prefix->preferred_until - now;
 690                                 if (preferred < 0)
 691                                         preferred = 0;
 692                                 blobmsg_add_u32(&b, "preferred", preferred);
 693                         }
 694
 695                         if (prefix->valid_until)
 696                                 blobmsg_add_u32(&b, "valid", prefix->valid_until - now);
 697
 698                         void *c = blobmsg_open_table(&b, "local-address");
 699                         if (assign->enabled) {
 700                                 buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
 701                                 inet_ntop(AF_INET6, &assign->addr, buf, buflen);
 702                                 blobmsg_add_string_buffer(&b);
 703
 704                                 blobmsg_add_u32(&b, "mask", assign->length);
 705                         }
 706                         blobmsg_close_table(&b, c);
 707
 708                         blobmsg_close_table(&b, a);
 709                 }
 710         }
 711 }
 712
 713 static void
 714 interface_ip_dump_dns_server_list(struct interface_ip_settings *ip, bool enabled)
 715 {
 716         struct dns_server *dns;
 717         int buflen = 128;
 718         char *buf;
 719
 720         vlist_simple_for_each_element(&ip->dns_servers, dns, node) {
 721                 if (ip->no_dns == enabled)
 722                         continue;
 723
 724                 buf = blobmsg_alloc_string_buffer(&b, NULL, buflen);
 725                 inet_ntop(dns->af, &dns->addr, buf, buflen);
 726                 blobmsg_add_string_buffer(&b);
 727         }
 728 }
 729
 730 static void
 731 interface_ip_dump_dns_search_list(struct interface_ip_settings *ip, bool enabled)
 732 {
 733         struct dns_search_domain *dns;
 734
 735         vlist_simple_for_each_element(&ip->dns_search, dns, node) {
 736                 if (ip->no_dns == enabled)
 737                         continue;
 738
 739                 blobmsg_add_string(&b, NULL, dns->name);
 740         }
 741 }
 742
 743 static void
 744 netifd_dump_status(struct interface *iface)
 745 {
 746         struct interface_data *data;
 747         struct device *dev;
 748         void *a, *inactive;
 749
 750         blobmsg_add_u8(&b, "up", iface->state == IFS_UP);
 751         blobmsg_add_u8(&b, "pending", iface->state == IFS_SETUP);
 752         blobmsg_add_u8(&b, "available", iface->available);
 753         blobmsg_add_u8(&b, "autostart", iface->autostart);
 754         blobmsg_add_u8(&b, "dynamic", iface->dynamic);
 755
 756         if (iface->state == IFS_UP) {
 757                 time_t cur = system_get_rtime();
 758                 blobmsg_add_u32(&b, "uptime", cur - iface->start_time);
 759                 if (iface->l3_dev.dev)
 760                         blobmsg_add_string(&b, "l3_device", iface->l3_dev.dev->ifname);
 761         }
 762
 763         if (iface->proto_handler)
 764                 blobmsg_add_string(&b, "proto", iface->proto_handler->name);
 765
 766         dev = iface->main_dev.dev;
 767         if (dev && !dev->hidden && iface->proto_handler &&
 768             !(iface->proto_handler->flags & PROTO_FLAG_NODEV))
 769                 blobmsg_add_string(&b, "device", dev->ifname);
 770
 771         if (iface->jail)
 772                 blobmsg_add_string(&b, "jail", iface->jail);
 773
 774         if (iface->jail_ifname)
 775                 blobmsg_add_string(&b, "jail_ifname", iface->jail_ifname);
 776
 777         if (iface->state == IFS_UP) {
 778                 if (iface->updated) {
 779                         a = blobmsg_open_array(&b, "updated");
 780
 781                         if (iface->updated & IUF_ADDRESS)
 782                                 blobmsg_add_string(&b, NULL, "addresses");
 783                         if (iface->updated & IUF_ROUTE)
 784                                 blobmsg_add_string(&b, NULL, "routes");
 785                         if (iface->updated & IUF_PREFIX)
 786                                 blobmsg_add_string(&b, NULL, "prefixes");
 787                         if (iface->updated & IUF_DATA)
 788                                 blobmsg_add_string(&b, NULL, "data");
 789
 790                         blobmsg_close_array(&b, a);
 791                 }
 792
 793                 if (iface->ip4table)
 794                         blobmsg_add_u32(&b, "ip4table", iface->ip4table);
 795                 if (iface->ip6table)
 796                         blobmsg_add_u32(&b, "ip6table", iface->ip6table);
 797                 blobmsg_add_u32(&b, "metric", iface->metric);
 798                 blobmsg_add_u32(&b, "dns_metric", iface->dns_metric);
 799                 blobmsg_add_u8(&b, "delegation", !iface->proto_ip.no_delegation);
 800                 if (iface->assignment_weight)
 801                         blobmsg_add_u32(&b, "ip6weight", iface->assignment_weight);
 802                 a = blobmsg_open_array(&b, "ipv4-address");
 803                 interface_ip_dump_address_list(&iface->config_ip, false, true);
 804                 interface_ip_dump_address_list(&iface->proto_ip, false, true);
 805                 blobmsg_close_array(&b, a);
 806                 a = blobmsg_open_array(&b, "ipv6-address");
 807                 interface_ip_dump_address_list(&iface->config_ip, true, true);
 808                 interface_ip_dump_address_list(&iface->proto_ip, true, true);
 809                 blobmsg_close_array(&b, a);
 810                 a = blobmsg_open_array(&b, "ipv6-prefix");
 811                 interface_ip_dump_prefix_list(&iface->config_ip);
 812                 interface_ip_dump_prefix_list(&iface->proto_ip);
 813                 blobmsg_close_array(&b, a);
 814                 a = blobmsg_open_array(&b, "ipv6-prefix-assignment");
 815                 interface_ip_dump_prefix_assignment_list(iface);
 816                 blobmsg_close_array(&b, a);
 817                 a = blobmsg_open_array(&b, "route");
 818                 interface_ip_dump_route_list(&iface->config_ip, true);
 819                 interface_ip_dump_route_list(&iface->proto_ip, true);
 820                 blobmsg_close_array(&b, a);
 821                 a = blobmsg_open_array(&b, "dns-server");
 822                 interface_ip_dump_dns_server_list(&iface->config_ip, true);
 823                 interface_ip_dump_dns_server_list(&iface->proto_ip, true);
 824                 blobmsg_close_array(&b, a);
 825                 a = blobmsg_open_array(&b, "dns-search");
 826                 interface_ip_dump_dns_search_list(&iface->config_ip, true);
 827                 interface_ip_dump_dns_search_list(&iface->proto_ip, true);
 828                 blobmsg_close_array(&b, a);
 829                 a = blobmsg_open_array(&b, "neighbors");
 830                 interface_ip_dump_neighbor_list(&iface->config_ip, true);
 831                 interface_ip_dump_neighbor_list(&iface->proto_ip, true);
 832                 blobmsg_close_array(&b, a);
 833
 834                 inactive = blobmsg_open_table(&b, "inactive");
 835                 a = blobmsg_open_array(&b, "ipv4-address");
 836                 interface_ip_dump_address_list(&iface->config_ip, false, false);
 837                 interface_ip_dump_address_list(&iface->proto_ip, false, false);
 838                 blobmsg_close_array(&b, a);
 839                 a = blobmsg_open_array(&b, "ipv6-address");
 840                 interface_ip_dump_address_list(&iface->config_ip, true, false);
 841                 interface_ip_dump_address_list(&iface->proto_ip, true, false);
 842                 blobmsg_close_array(&b, a);
 843                 a = blobmsg_open_array(&b, "route");
 844                 interface_ip_dump_route_list(&iface->config_ip, false);
 845                 interface_ip_dump_route_list(&iface->proto_ip, false);
 846                 blobmsg_close_array(&b, a);
 847                 a = blobmsg_open_array(&b, "dns-server");
 848                 interface_ip_dump_dns_server_list(&iface->config_ip, false);
 849                 interface_ip_dump_dns_server_list(&iface->proto_ip, false);
 850                 blobmsg_close_array(&b, a);
 851                 a = blobmsg_open_array(&b, "dns-search");
 852                 interface_ip_dump_dns_search_list(&iface->config_ip, false);
 853                 interface_ip_dump_dns_search_list(&iface->proto_ip, false);
 854                 blobmsg_close_array(&b, a);
 855                 a = blobmsg_open_array(&b, "neighbors");
 856                 interface_ip_dump_neighbor_list(&iface->config_ip, false);
 857                 interface_ip_dump_neighbor_list(&iface->proto_ip, false);
 858                 blobmsg_close_array(&b, a);
 859                 blobmsg_close_table(&b, inactive);
 860         }
 861
 862         a = blobmsg_open_table(&b, "data");
 863         avl_for_each_element(&iface->data, data, node)
 864                 blobmsg_add_blob(&b, data->data);
 865
 866         blobmsg_close_table(&b, a);
 867
 868         if (!list_empty(&iface->errors))
 869                 netifd_add_interface_errors(&b, iface);
 870 }
 871
 872 static int
 873 netifd_handle_status(struct ubus_context *ctx, struct ubus_object *obj,
 874                      struct ubus_request_data *req, const char *method,
 875                      struct blob_attr *msg)
 876 {
 877         struct interface *iface = container_of(obj, struct interface, ubus);
 878
 879         blob_buf_init(&b, 0);
 880         netifd_dump_status(iface);
 881         ubus_send_reply(ctx, req, b.head);
 882
 883         return 0;
 884 }
 885
 886
 887 static int
 888 netifd_handle_dump(struct ubus_context *ctx, struct ubus_object *obj,
 889                      struct ubus_request_data *req, const char *method,
 890                      struct blob_attr *msg)
 891 {
 892         blob_buf_init(&b, 0);
 893         void *a = blobmsg_open_array(&b, "interface");
 894
 895         struct interface *iface;
 896         vlist_for_each_element(&interfaces, iface, node) {
 897                 void *i = blobmsg_open_table(&b, NULL);
 898                 blobmsg_add_string(&b, "interface", iface->name);
 899                 netifd_dump_status(iface);
 900                 blobmsg_close_table(&b, i);
 901         }
 902
 903         blobmsg_close_array(&b, a);
 904         ubus_send_reply(ctx, req, b.head);
 905
 906         return 0;
 907 }
 908
 909 enum {
 910         DEV_LINK_NAME,
 911         DEV_LINK_EXT,
 912         DEV_LINK_VLAN,
 913         __DEV_LINK_MAX,
 914 };
 915
 916 static const struct blobmsg_policy dev_link_policy[__DEV_LINK_MAX] = {
 917         [DEV_LINK_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
 918         [DEV_LINK_EXT] = { .name = "link-ext", .type = BLOBMSG_TYPE_BOOL },
 919         [DEV_LINK_VLAN] = { .name = "vlan", .type = BLOBMSG_TYPE_ARRAY },
 920 };
 921
 922 static int
 923 netifd_iface_handle_device(struct ubus_context *ctx, struct ubus_object *obj,
 924                            struct ubus_request_data *req, const char *method,
 925                            struct blob_attr *msg)
 926 {
 927         struct blob_attr *tb[__DEV_LINK_MAX];
 928         struct blob_attr *cur;
 929         struct interface *iface;
 930         bool add = !strncmp(method, "add", 3);
 931         bool link_ext = true;
 932
 933         iface = container_of(obj, struct interface, ubus);
 934
 935         blobmsg_parse(dev_link_policy, __DEV_LINK_MAX, tb, blob_data(msg), blob_len(msg));
 936
 937         if (!tb[DEV_LINK_NAME])
 938                 return UBUS_STATUS_INVALID_ARGUMENT;
 939
 940         cur = tb[DEV_LINK_EXT];
 941         if (cur)
 942                 link_ext = blobmsg_get_bool(cur);
 943
 944         return interface_handle_link(iface, blobmsg_data(tb[DEV_LINK_NAME]),
 945                                      tb[DEV_LINK_VLAN], add, link_ext);
 946 }
 947
 948
 949 static int
 950 netifd_iface_notify_proto(struct ubus_context *ctx, struct ubus_object *obj,
 951                           struct ubus_request_data *req, const char *method,
 952                           struct blob_attr *msg)
 953 {
 954         struct interface *iface;
 955
 956         iface = container_of(obj, struct interface, ubus);
 957
 958         if (!iface->proto || !iface->proto->notify)
 959                 return UBUS_STATUS_NOT_SUPPORTED;
 960
 961         return iface->proto->notify(iface->proto, msg);
 962 }
 963
 964 static void
 965 netifd_iface_do_remove(struct uloop_timeout *timeout)
 966 {
 967         struct interface *iface;
 968
 969         iface = container_of(timeout, struct interface, remove_timer);
 970         vlist_delete(&interfaces, &iface->node);
 971 }
 972
 973 static int
 974 netifd_iface_remove(struct ubus_context *ctx, struct ubus_object *obj,
 975                     struct ubus_request_data *req, const char *method,
 976                     struct blob_attr *msg)
 977 {
 978         struct interface *iface;
 979
 980         iface = container_of(obj, struct interface, ubus);
 981         if (iface->remove_timer.cb)
 982                 return UBUS_STATUS_INVALID_ARGUMENT;
 983
 984         iface->remove_timer.cb = netifd_iface_do_remove;
 985         uloop_timeout_set(&iface->remove_timer, 100);
 986         return 0;
 987 }
 988
 989 static int
 990 netifd_handle_iface_prepare(struct ubus_context *ctx, struct ubus_object *obj,
 991                             struct ubus_request_data *req, const char *method,
 992                             struct blob_attr *msg)
 993 {
 994         struct interface *iface;
 995         struct device *dev, *bridge_dev = NULL;
 996         const struct device_hotplug_ops *ops;
 997
 998         iface = container_of(obj, struct interface, ubus);
 999         dev = iface->main_dev.dev;
1000         if (!dev)
1001                 goto out;
1002
1003         ops = dev->hotplug_ops;
1004         if (!ops)
1005                 goto out;
1006
1007         ops->prepare(dev, &bridge_dev);
1008
1009 out:
1010         blob_buf_init(&b, 0);
1011         if (bridge_dev)
1012                 blobmsg_add_string(&b, "bridge", bridge_dev->ifname);
1013         ubus_send_reply(ctx, req, b.head);
1014
1015         return 0;
1016 }
1017
1018 static int
1019 netifd_handle_set_data(struct ubus_context *ctx, struct ubus_object *obj,
1020                        struct ubus_request_data *req, const char *method,
1021                        struct blob_attr *msg)
1022 {
1023         struct interface *iface;
1024
1025         iface = container_of(obj, struct interface, ubus);
1026
1027         return interface_parse_data(iface, msg);
1028 }
1029
1030 static struct ubus_method iface_object_methods[] = {
1031         { .name = "up", .handler = netifd_handle_up },
1032         { .name = "down", .handler = netifd_handle_down },
1033         { .name = "renew", .handler = netifd_handle_renew },
1034         { .name = "status", .handler = netifd_handle_status },
1035         { .name = "prepare", .handler = netifd_handle_iface_prepare },
1036         { .name = "dump", .handler = netifd_handle_dump },
1037         UBUS_METHOD("add_device", netifd_iface_handle_device, dev_link_policy ),
1038         UBUS_METHOD("remove_device", netifd_iface_handle_device, dev_link_policy ),
1039         { .name = "notify_proto", .handler = netifd_iface_notify_proto },
1040         { .name = "remove", .handler = netifd_iface_remove },
1041         { .name = "set_data", .handler = netifd_handle_set_data },
1042 };
1043
1044 static struct ubus_object_type iface_object_type =
1045         UBUS_OBJECT_TYPE("netifd_iface", iface_object_methods);
1046
1047
1048 static struct ubus_object iface_object = {
1049         .name = "network.interface",
1050         .type = &iface_object_type,
1051         .n_methods = ARRAY_SIZE(iface_object_methods),
1052 };
1053
1054 static void netifd_add_object(struct ubus_object *obj)
1055 {
1056         int ret = ubus_add_object(ubus_ctx, obj);
1057
1058         if (ret != 0)
1059                 fprintf(stderr, "Failed to publish object '%s': %s\n", obj->name, ubus_strerror(ret));
1060 }
1061
1062 static const struct blobmsg_policy iface_policy = {
1063         .name = "interface",
1064         .type = BLOBMSG_TYPE_STRING,
1065 };
1066
1067 static int
1068 netifd_handle_iface(struct ubus_context *ctx, struct ubus_object *obj,
1069                     struct ubus_request_data *req, const char *method,
1070                     struct blob_attr *msg)
1071 {
1072         struct interface *iface;
1073         struct blob_attr *tb;
1074         int i;
1075
1076         blobmsg_parse(&iface_policy, 1, &tb, blob_data(msg), blob_len(msg));
1077         if (!tb)
1078                 return UBUS_STATUS_INVALID_ARGUMENT;
1079
1080         iface = vlist_find(&interfaces, blobmsg_data(tb), iface, node);
1081         if (!iface)
1082                 return UBUS_STATUS_NOT_FOUND;
1083
1084         for (i = 0; i < ARRAY_SIZE(iface_object_methods); i++) {
1085                 ubus_handler_t cb;
1086
1087                 if (strcmp(method, iface_object_methods[i].name) != 0)
1088                         continue;
1089
1090                 cb = iface_object_methods[i].handler;
1091                 return cb(ctx, &iface->ubus, req, method, msg);
1092         }
1093
1094         return UBUS_STATUS_INVALID_ARGUMENT;
1095 }
1096
1097 static void netifd_add_iface_object(void)
1098 {
1099         struct ubus_method *methods;
1100         int i;
1101
1102         methods = calloc(1, sizeof(iface_object_methods));
1103         if (!methods)
1104                 return;
1105
1106         memcpy(methods, iface_object_methods, sizeof(iface_object_methods));
1107         iface_object.methods = methods;
1108
1109         for (i = 0; i < ARRAY_SIZE(iface_object_methods); i++) {
1110                 if (methods[i].handler == netifd_handle_dump)
1111                         continue;
1112
1113                 methods[i].handler = netifd_handle_iface;
1114                 methods[i].policy = &iface_policy;
1115                 methods[i].n_policy = 1;
1116         }
1117         netifd_add_object(&iface_object);
1118 }
1119
1120 static struct wireless_device *
1121 get_wdev(struct blob_attr *msg, int *ret)
1122 {
1123         struct blobmsg_policy wdev_policy = {
1124                 .name = "device",
1125                 .type = BLOBMSG_TYPE_STRING,
1126         };
1127         struct blob_attr *dev_attr;
1128         struct wireless_device *wdev = NULL;
1129
1130
1131         blobmsg_parse(&wdev_policy, 1, &dev_attr, blob_data(msg), blob_len(msg));
1132         if (!dev_attr) {
1133                 *ret = UBUS_STATUS_INVALID_ARGUMENT;
1134                 return NULL;
1135         }
1136
1137         wdev = vlist_find(&wireless_devices, blobmsg_data(dev_attr), wdev, node);
1138         if (!wdev) {
1139                 *ret = UBUS_STATUS_NOT_FOUND;
1140                 return NULL;
1141         }
1142
1143         *ret = 0;
1144         return wdev;
1145 }
1146
1147 static int
1148 netifd_handle_wdev_reconf(struct ubus_context *ctx, struct ubus_object *obj,
1149                           struct ubus_request_data *req, const char *method,
1150                           struct blob_attr *msg)
1151 {
1152         struct wireless_device *wdev;
1153         int ret;
1154
1155         wdev = get_wdev(msg, &ret);
1156         if (ret == UBUS_STATUS_NOT_FOUND)
1157                 return ret;
1158
1159         if (wdev) {
1160                 wireless_device_reconf(wdev);
1161         } else {
1162                 vlist_for_each_element(&wireless_devices, wdev, node)
1163                         wireless_device_reconf(wdev);
1164         }
1165
1166         return 0;
1167 }
1168
1169 static int
1170 netifd_handle_wdev_up(struct ubus_context *ctx, struct ubus_object *obj,
1171                       struct ubus_request_data *req, const char *method,
1172                       struct blob_attr *msg)
1173 {
1174         struct wireless_device *wdev;
1175         int ret;
1176
1177         wdev = get_wdev(msg, &ret);
1178         if (ret == UBUS_STATUS_NOT_FOUND)
1179                 return ret;
1180
1181         if (wdev) {
1182                 wireless_device_set_up(wdev);
1183         } else {
1184                 vlist_for_each_element(&wireless_devices, wdev, node)
1185                         wireless_device_set_up(wdev);
1186         }
1187
1188         return 0;
1189 }
1190
1191 static int
1192 netifd_handle_wdev_down(struct ubus_context *ctx, struct ubus_object *obj,
1193                         struct ubus_request_data *req, const char *method,
1194                         struct blob_attr *msg)
1195 {
1196         struct wireless_device *wdev;
1197         int ret;
1198
1199         wdev = get_wdev(msg, &ret);
1200         if (ret == UBUS_STATUS_NOT_FOUND)
1201                 return ret;
1202
1203         if (wdev) {
1204                 wireless_device_set_down(wdev);
1205         } else {
1206                 vlist_for_each_element(&wireless_devices, wdev, node)
1207                         wireless_device_set_down(wdev);
1208         }
1209
1210         return 0;
1211 }
1212
1213 static int
1214 netifd_handle_wdev_status(struct ubus_context *ctx, struct ubus_object *obj,
1215                           struct ubus_request_data *req, const char *method,
1216                           struct blob_attr *msg)
1217 {
1218         struct wireless_device *wdev;
1219         int ret;
1220
1221         wdev = get_wdev(msg, &ret);
1222         if (ret == UBUS_STATUS_NOT_FOUND)
1223                 return ret;
1224
1225         blob_buf_init(&b, 0);
1226         if (wdev) {
1227                 wireless_device_status(wdev, &b);
1228         } else {
1229                 vlist_for_each_element(&wireless_devices, wdev, node)
1230                         wireless_device_status(wdev, &b);
1231         }
1232         ubus_send_reply(ctx, req, b.head);
1233         return 0;
1234 }
1235
1236 static int
1237 netifd_handle_wdev_get_validate(struct ubus_context *ctx, struct ubus_object *obj,
1238                           struct ubus_request_data *req, const char *method,
1239                           struct blob_attr *msg)
1240 {
1241         struct wireless_device *wdev;
1242         int ret;
1243
1244         wdev = get_wdev(msg, &ret);
1245         if (ret == UBUS_STATUS_NOT_FOUND)
1246                 return ret;
1247
1248         blob_buf_init(&b, 0);
1249         if (wdev) {
1250                 wireless_device_get_validate(wdev, &b);
1251         } else {
1252                 vlist_for_each_element(&wireless_devices, wdev, node)
1253                         wireless_device_get_validate(wdev, &b);
1254         }
1255         ubus_send_reply(ctx, req, b.head);
1256         return 0;
1257 }
1258
1259 static int
1260 netifd_handle_wdev_notify(struct ubus_context *ctx, struct ubus_object *obj,
1261                           struct ubus_request_data *req, const char *method,
1262                           struct blob_attr *msg)
1263 {
1264         struct wireless_device *wdev;
1265         int ret;
1266
1267         wdev = get_wdev(msg, &ret);
1268         if (!wdev)
1269                 return ret;
1270
1271         return wireless_device_notify(wdev, msg, req);
1272 }
1273
1274 static struct ubus_method wireless_object_methods[] = {
1275         { .name = "up", .handler = netifd_handle_wdev_up },
1276         { .name = "down", .handler = netifd_handle_wdev_down },
1277         { .name = "reconf", .handler = netifd_handle_wdev_reconf },
1278         { .name = "status", .handler = netifd_handle_wdev_status },
1279         { .name = "notify", .handler = netifd_handle_wdev_notify },
1280         { .name = "get_validate", .handler = netifd_handle_wdev_get_validate },
1281 };
1282
1283 static struct ubus_object_type wireless_object_type =
1284         UBUS_OBJECT_TYPE("netifd_iface", wireless_object_methods);
1285
1286
1287 static struct ubus_object wireless_object = {
1288         .name = "network.wireless",
1289         .type = &wireless_object_type,
1290         .methods = wireless_object_methods,
1291         .n_methods = ARRAY_SIZE(wireless_object_methods),
1292 };
1293
1294 int
1295 netifd_extdev_invoke(uint32_t id, const char *method, struct blob_attr *msg,
1296          ubus_data_handler_t data_cb, void *data)
1297 {
1298         return ubus_invoke(ubus_ctx, id, method, msg, data_cb, data, 3000);
1299 }
1300
1301 int
1302 netifd_ubus_init(const char *path)
1303 {
1304         uloop_init();
1305         ubus_path = path;
1306
1307         ubus_ctx = ubus_connect(path);
1308         if (!ubus_ctx)
1309                 return -EIO;
1310
1311         DPRINTF("connected as %08x\n", ubus_ctx->local_id);
1312         ubus_ctx->connection_lost = netifd_ubus_connection_lost;
1313         netifd_ubus_add_fd();
1314
1315         netifd_add_object(&main_object);
1316         netifd_add_object(&dev_object);
1317         netifd_add_object(&wireless_object);
1318         netifd_add_iface_object();
1319
1320         return 0;
1321 }
1322
1323 void
1324 netifd_ubus_done(void)
1325 {
1326         ubus_free(ubus_ctx);
1327 }
1328
1329 void
1330 netifd_ubus_interface_event(struct interface *iface, bool up)
1331 {
1332         blob_buf_init(&b, 0);
1333         blobmsg_add_string(&b, "action", up ? "ifup" : "ifdown");
1334         blobmsg_add_string(&b, "interface", iface->name);
1335         ubus_send_event(ubus_ctx, "network.interface", b.head);
1336 }
1337
1338 void
1339 netifd_ubus_interface_notify(struct interface *iface, bool up)
1340 {
1341         const char *event = (up) ? "interface.update" : "interface.down";
1342         blob_buf_init(&b, 0);
1343         blobmsg_add_string(&b, "interface", iface->name);
1344         netifd_dump_status(iface);
1345         ubus_notify(ubus_ctx, &iface_object, event, b.head, -1);
1346         ubus_notify(ubus_ctx, &iface->ubus, event, b.head, -1);
1347 }
1348
1349 void
1350 netifd_ubus_add_interface(struct interface *iface)
1351 {
1352         struct ubus_object *obj = &iface->ubus;
1353         char *name = NULL;
1354
1355         if (asprintf(&name, "%s.interface.%s", main_object.name, iface->name) == -1)
1356                 return;
1357
1358         obj->name = name;
1359         obj->type = &iface_object_type;
1360         obj->methods = iface_object_methods;
1361         obj->n_methods = ARRAY_SIZE(iface_object_methods);
1362         if (ubus_add_object(ubus_ctx, &iface->ubus)) {
1363                 DPRINTF("failed to publish ubus object for interface '%s'\n", iface->name);
1364                 free(name);
1365                 obj->name = NULL;
1366         }
1367 }
1368
1369 void
1370 netifd_ubus_remove_interface(struct interface *iface)
1371 {
1372         if (!iface->ubus.name)
1373                 return;
1374
1375         ubus_remove_object(ubus_ctx, &iface->ubus);
1376         free((void *) iface->ubus.name);
1377 }