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