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