package/network/services/hostapd/src/src/ap/ubus.c

   1 /*
   2  * hostapd / ubus support
   3  * Copyright (c) 2013, Felix Fietkau <nbd@nbd.name>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "utils/includes.h"
  10 #include "utils/common.h"
  11 #include "utils/eloop.h"
  12 #include "utils/wpabuf.h"
  13 #include "common/ieee802_11_defs.h"
  14 #include "hostapd.h"
  15 #include "neighbor_db.h"
  16 #include "wps_hostapd.h"
  17 #include "sta_info.h"
  18 #include "ubus.h"
  19 #include "ap_drv_ops.h"
  20 #include "beacon.h"
  21 #include "rrm.h"
  22 #include "wnm_ap.h"
  23 #include "taxonomy.h"
  24
  25 static struct ubus_context *ctx;
  26 static struct blob_buf b;
  27 static int ctx_ref;
  28
  29 static inline struct hapd_interfaces *get_hapd_interfaces_from_object(struct ubus_object *obj)
  30 {
  31         return container_of(obj, struct hapd_interfaces, ubus);
  32 }
  33
  34 static inline struct hostapd_data *get_hapd_from_object(struct ubus_object *obj)
  35 {
  36         return container_of(obj, struct hostapd_data, ubus.obj);
  37 }
  38
  39 struct ubus_banned_client {
  40         struct avl_node avl;
  41         u8 addr[ETH_ALEN];
  42 };
  43
  44 static void ubus_receive(int sock, void *eloop_ctx, void *sock_ctx)
  45 {
  46         struct ubus_context *ctx = eloop_ctx;
  47         ubus_handle_event(ctx);
  48 }
  49
  50 static void ubus_reconnect_timeout(void *eloop_data, void *user_ctx)
  51 {
  52         if (ubus_reconnect(ctx, NULL)) {
  53                 eloop_register_timeout(1, 0, ubus_reconnect_timeout, ctx, NULL);
  54                 return;
  55         }
  56
  57         eloop_register_read_sock(ctx->sock.fd, ubus_receive, ctx, NULL);
  58 }
  59
  60 static void hostapd_ubus_connection_lost(struct ubus_context *ctx)
  61 {
  62         eloop_unregister_read_sock(ctx->sock.fd);
  63         eloop_register_timeout(1, 0, ubus_reconnect_timeout, ctx, NULL);
  64 }
  65
  66 static bool hostapd_ubus_init(void)
  67 {
  68         if (ctx)
  69                 return true;
  70
  71         ctx = ubus_connect(NULL);
  72         if (!ctx)
  73                 return false;
  74
  75         ctx->connection_lost = hostapd_ubus_connection_lost;
  76         eloop_register_read_sock(ctx->sock.fd, ubus_receive, ctx, NULL);
  77         return true;
  78 }
  79
  80 static void hostapd_ubus_ref_inc(void)
  81 {
  82         ctx_ref++;
  83 }
  84
  85 static void hostapd_ubus_ref_dec(void)
  86 {
  87         ctx_ref--;
  88         if (!ctx)
  89                 return;
  90
  91         if (ctx_ref)
  92                 return;
  93
  94         eloop_unregister_read_sock(ctx->sock.fd);
  95         ubus_free(ctx);
  96         ctx = NULL;
  97 }
  98
  99 void hostapd_ubus_add_iface(struct hostapd_iface *iface)
 100 {
 101         if (!hostapd_ubus_init())
 102                 return;
 103 }
 104
 105 void hostapd_ubus_free_iface(struct hostapd_iface *iface)
 106 {
 107         if (!ctx)
 108                 return;
 109 }
 110
 111 static void hostapd_notify_ubus(struct ubus_object *obj, char *bssname, char *event)
 112 {
 113         char *event_type;
 114
 115         if (!ctx || !obj)
 116                 return;
 117
 118         if (asprintf(&event_type, "bss.%s", event) < 0)
 119                 return;
 120
 121         blob_buf_init(&b, 0);
 122         blobmsg_add_string(&b, "name", bssname);
 123         ubus_notify(ctx, obj, event_type, b.head, -1);
 124         free(event_type);
 125 }
 126
 127 static void hostapd_send_procd_event(char *bssname, char *event)
 128 {
 129         char *name, *s;
 130         uint32_t id;
 131         void *v;
 132
 133         if (!ctx || ubus_lookup_id(ctx, "service", &id))
 134                 return;
 135
 136         if (asprintf(&name, "hostapd.%s.%s", bssname, event) < 0)
 137                 return;
 138
 139         blob_buf_init(&b, 0);
 140
 141         s = blobmsg_alloc_string_buffer(&b, "type", strlen(name) + 1);
 142         sprintf(s, "%s", name);
 143         blobmsg_add_string_buffer(&b);
 144
 145         v = blobmsg_open_table(&b, "data");
 146         blobmsg_close_table(&b, v);
 147
 148         ubus_invoke(ctx, id, "event", b.head, NULL, NULL, 1000);
 149
 150         free(name);
 151 }
 152
 153 static void hostapd_send_shared_event(struct ubus_object *obj, char *bssname, char *event)
 154 {
 155         hostapd_send_procd_event(bssname, event);
 156         hostapd_notify_ubus(obj, bssname, event);
 157 }
 158
 159 static void
 160 hostapd_bss_del_ban(void *eloop_data, void *user_ctx)
 161 {
 162         struct ubus_banned_client *ban = eloop_data;
 163         struct hostapd_data *hapd = user_ctx;
 164
 165         avl_delete(&hapd->ubus.banned, &ban->avl);
 166         free(ban);
 167 }
 168
 169 static void
 170 hostapd_bss_ban_client(struct hostapd_data *hapd, u8 *addr, int time)
 171 {
 172         struct ubus_banned_client *ban;
 173
 174         if (time < 0)
 175                 time = 0;
 176
 177         ban = avl_find_element(&hapd->ubus.banned, addr, ban, avl);
 178         if (!ban) {
 179                 if (!time)
 180                         return;
 181
 182                 ban = os_zalloc(sizeof(*ban));
 183                 memcpy(ban->addr, addr, sizeof(ban->addr));
 184                 ban->avl.key = ban->addr;
 185                 avl_insert(&hapd->ubus.banned, &ban->avl);
 186         } else {
 187                 eloop_cancel_timeout(hostapd_bss_del_ban, ban, hapd);
 188                 if (!time) {
 189                         hostapd_bss_del_ban(ban, hapd);
 190                         return;
 191                 }
 192         }
 193
 194         eloop_register_timeout(0, time * 1000, hostapd_bss_del_ban, ban, hapd);
 195 }
 196
 197 static int
 198 hostapd_bss_reload(struct ubus_context *ctx, struct ubus_object *obj,
 199                    struct ubus_request_data *req, const char *method,
 200                    struct blob_attr *msg)
 201 {
 202         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 203         int ret = hostapd_reload_config(hapd->iface, 1);
 204
 205         hostapd_send_shared_event(&hapd->iface->interfaces->ubus, hapd->conf->iface, "reload");
 206         return ret;
 207 }
 208
 209 static int
 210 hostapd_bss_get_clients(struct ubus_context *ctx, struct ubus_object *obj,
 211                         struct ubus_request_data *req, const char *method,
 212                         struct blob_attr *msg)
 213 {
 214         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 215         struct sta_info *sta;
 216         void *list, *c;
 217         char mac_buf[20];
 218         static const struct {
 219                 const char *name;
 220                 uint32_t flag;
 221         } sta_flags[] = {
 222                 { "auth", WLAN_STA_AUTH },
 223                 { "assoc", WLAN_STA_ASSOC },
 224                 { "authorized", WLAN_STA_AUTHORIZED },
 225                 { "preauth", WLAN_STA_PREAUTH },
 226                 { "wds", WLAN_STA_WDS },
 227                 { "wmm", WLAN_STA_WMM },
 228                 { "ht", WLAN_STA_HT },
 229                 { "vht", WLAN_STA_VHT },
 230                 { "wps", WLAN_STA_WPS },
 231                 { "mfp", WLAN_STA_MFP },
 232         };
 233
 234         blob_buf_init(&b, 0);
 235         blobmsg_add_u32(&b, "freq", hapd->iface->freq);
 236         list = blobmsg_open_table(&b, "clients");
 237         for (sta = hapd->sta_list; sta; sta = sta->next) {
 238                 void *r;
 239                 int i;
 240
 241                 sprintf(mac_buf, MACSTR, MAC2STR(sta->addr));
 242                 c = blobmsg_open_table(&b, mac_buf);
 243                 for (i = 0; i < ARRAY_SIZE(sta_flags); i++)
 244                         blobmsg_add_u8(&b, sta_flags[i].name,
 245                                        !!(sta->flags & sta_flags[i].flag));
 246
 247                 r = blobmsg_open_array(&b, "rrm");
 248                 for (i = 0; i < ARRAY_SIZE(sta->rrm_enabled_capa); i++)
 249                         blobmsg_add_u32(&b, "", sta->rrm_enabled_capa[i]);
 250                 blobmsg_close_array(&b, r);
 251                 blobmsg_add_u32(&b, "aid", sta->aid);
 252 #ifdef CONFIG_TAXONOMY
 253                 r = blobmsg_alloc_string_buffer(&b, "signature", 1024);
 254                 if (retrieve_sta_taxonomy(hapd, sta, r, 1024) > 0)
 255                         blobmsg_add_string_buffer(&b);
 256 #endif
 257                 blobmsg_close_table(&b, c);
 258         }
 259         blobmsg_close_array(&b, list);
 260         ubus_send_reply(ctx, req, b.head);
 261
 262         return 0;
 263 }
 264
 265 static int
 266 hostapd_bss_get_features(struct ubus_context *ctx, struct ubus_object *obj,
 267                         struct ubus_request_data *req, const char *method,
 268                         struct blob_attr *msg)
 269 {
 270         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 271
 272         blob_buf_init(&b, 0);
 273         blobmsg_add_u8(&b, "ht_supported", ht_supported(hapd->iface->hw_features));
 274         blobmsg_add_u8(&b, "vht_supported", vht_supported(hapd->iface->hw_features));
 275         ubus_send_reply(ctx, req, b.head);
 276
 277         return 0;
 278 }
 279
 280 enum {
 281         NOTIFY_RESPONSE,
 282         __NOTIFY_MAX
 283 };
 284
 285 static const struct blobmsg_policy notify_policy[__NOTIFY_MAX] = {
 286         [NOTIFY_RESPONSE] = { "notify_response", BLOBMSG_TYPE_INT32 },
 287 };
 288
 289 static int
 290 hostapd_notify_response(struct ubus_context *ctx, struct ubus_object *obj,
 291                         struct ubus_request_data *req, const char *method,
 292                         struct blob_attr *msg)
 293 {
 294         struct blob_attr *tb[__NOTIFY_MAX];
 295         struct hostapd_data *hapd = get_hapd_from_object(obj);
 296         struct wpabuf *elems;
 297         const char *pos;
 298         size_t len;
 299
 300         blobmsg_parse(notify_policy, __NOTIFY_MAX, tb,
 301                       blob_data(msg), blob_len(msg));
 302
 303         if (!tb[NOTIFY_RESPONSE])
 304                 return UBUS_STATUS_INVALID_ARGUMENT;
 305
 306         hapd->ubus.notify_response = blobmsg_get_u32(tb[NOTIFY_RESPONSE]);
 307
 308         return UBUS_STATUS_OK;
 309 }
 310
 311 enum {
 312         DEL_CLIENT_ADDR,
 313         DEL_CLIENT_REASON,
 314         DEL_CLIENT_DEAUTH,
 315         DEL_CLIENT_BAN_TIME,
 316         __DEL_CLIENT_MAX
 317 };
 318
 319 static const struct blobmsg_policy del_policy[__DEL_CLIENT_MAX] = {
 320         [DEL_CLIENT_ADDR] = { "addr", BLOBMSG_TYPE_STRING },
 321         [DEL_CLIENT_REASON] = { "reason", BLOBMSG_TYPE_INT32 },
 322         [DEL_CLIENT_DEAUTH] = { "deauth", BLOBMSG_TYPE_INT8 },
 323         [DEL_CLIENT_BAN_TIME] = { "ban_time", BLOBMSG_TYPE_INT32 },
 324 };
 325
 326 static int
 327 hostapd_bss_del_client(struct ubus_context *ctx, struct ubus_object *obj,
 328                         struct ubus_request_data *req, const char *method,
 329                         struct blob_attr *msg)
 330 {
 331         struct blob_attr *tb[__DEL_CLIENT_MAX];
 332         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 333         struct sta_info *sta;
 334         bool deauth = false;
 335         int reason;
 336         u8 addr[ETH_ALEN];
 337
 338         blobmsg_parse(del_policy, __DEL_CLIENT_MAX, tb, blob_data(msg), blob_len(msg));
 339
 340         if (!tb[DEL_CLIENT_ADDR])
 341                 return UBUS_STATUS_INVALID_ARGUMENT;
 342
 343         if (hwaddr_aton(blobmsg_data(tb[DEL_CLIENT_ADDR]), addr))
 344                 return UBUS_STATUS_INVALID_ARGUMENT;
 345
 346         if (tb[DEL_CLIENT_REASON])
 347                 reason = blobmsg_get_u32(tb[DEL_CLIENT_REASON]);
 348
 349         if (tb[DEL_CLIENT_DEAUTH])
 350                 deauth = blobmsg_get_bool(tb[DEL_CLIENT_DEAUTH]);
 351
 352         sta = ap_get_sta(hapd, addr);
 353         if (sta) {
 354                 if (deauth) {
 355                         hostapd_drv_sta_deauth(hapd, addr, reason);
 356                         ap_sta_deauthenticate(hapd, sta, reason);
 357                 } else {
 358                         hostapd_drv_sta_disassoc(hapd, addr, reason);
 359                         ap_sta_disassociate(hapd, sta, reason);
 360                 }
 361         }
 362
 363         if (tb[DEL_CLIENT_BAN_TIME])
 364                 hostapd_bss_ban_client(hapd, addr, blobmsg_get_u32(tb[DEL_CLIENT_BAN_TIME]));
 365
 366         return 0;
 367 }
 368
 369 static void
 370 blobmsg_add_macaddr(struct blob_buf *buf, const char *name, const u8 *addr)
 371 {
 372         char *s;
 373
 374         s = blobmsg_alloc_string_buffer(buf, name, 20);
 375         sprintf(s, MACSTR, MAC2STR(addr));
 376         blobmsg_add_string_buffer(buf);
 377 }
 378
 379 static int
 380 hostapd_bss_list_bans(struct ubus_context *ctx, struct ubus_object *obj,
 381                       struct ubus_request_data *req, const char *method,
 382                       struct blob_attr *msg)
 383 {
 384         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 385         struct ubus_banned_client *ban;
 386         void *c;
 387
 388         blob_buf_init(&b, 0);
 389         c = blobmsg_open_array(&b, "clients");
 390         avl_for_each_element(&hapd->ubus.banned, ban, avl)
 391                 blobmsg_add_macaddr(&b, NULL, ban->addr);
 392         blobmsg_close_array(&b, c);
 393         ubus_send_reply(ctx, req, b.head);
 394
 395         return 0;
 396 }
 397
 398 static int
 399 hostapd_bss_wps_start(struct ubus_context *ctx, struct ubus_object *obj,
 400                         struct ubus_request_data *req, const char *method,
 401                         struct blob_attr *msg)
 402 {
 403         int rc;
 404         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 405
 406         rc = hostapd_wps_button_pushed(hapd, NULL);
 407
 408         if (rc != 0)
 409                 return UBUS_STATUS_NOT_SUPPORTED;
 410
 411         return 0;
 412 }
 413
 414 static int
 415 hostapd_bss_wps_cancel(struct ubus_context *ctx, struct ubus_object *obj,
 416                         struct ubus_request_data *req, const char *method,
 417                         struct blob_attr *msg)
 418 {
 419         int rc;
 420         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 421
 422         rc = hostapd_wps_cancel(hapd);
 423
 424         if (rc != 0)
 425                 return UBUS_STATUS_NOT_SUPPORTED;
 426
 427         return 0;
 428 }
 429
 430 static int
 431 hostapd_bss_update_beacon(struct ubus_context *ctx, struct ubus_object *obj,
 432                         struct ubus_request_data *req, const char *method,
 433                         struct blob_attr *msg)
 434 {
 435         int rc;
 436         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 437
 438         rc = ieee802_11_set_beacon(hapd);
 439
 440         if (rc != 0)
 441                 return UBUS_STATUS_NOT_SUPPORTED;
 442
 443         return 0;
 444 }
 445
 446 enum {
 447         CONFIG_IFACE,
 448         CONFIG_FILE,
 449         __CONFIG_MAX
 450 };
 451
 452 static const struct blobmsg_policy config_add_policy[__CONFIG_MAX] = {
 453         [CONFIG_IFACE] = { "iface", BLOBMSG_TYPE_STRING },
 454         [CONFIG_FILE] = { "config", BLOBMSG_TYPE_STRING },
 455 };
 456
 457 static int
 458 hostapd_config_add(struct ubus_context *ctx, struct ubus_object *obj,
 459                    struct ubus_request_data *req, const char *method,
 460                    struct blob_attr *msg)
 461 {
 462         struct blob_attr *tb[__CONFIG_MAX];
 463         struct hapd_interfaces *interfaces = get_hapd_interfaces_from_object(obj);
 464         char buf[128];
 465
 466         blobmsg_parse(config_add_policy, __CONFIG_MAX, tb, blob_data(msg), blob_len(msg));
 467
 468         if (!tb[CONFIG_FILE] || !tb[CONFIG_IFACE])
 469                 return UBUS_STATUS_INVALID_ARGUMENT;
 470
 471         snprintf(buf, sizeof(buf), "bss_config=%s:%s",
 472                 blobmsg_get_string(tb[CONFIG_IFACE]),
 473                 blobmsg_get_string(tb[CONFIG_FILE]));
 474
 475         if (hostapd_add_iface(interfaces, buf))
 476                 return UBUS_STATUS_INVALID_ARGUMENT;
 477
 478         return UBUS_STATUS_OK;
 479 }
 480
 481 enum {
 482         CONFIG_REM_IFACE,
 483         __CONFIG_REM_MAX
 484 };
 485
 486 static const struct blobmsg_policy config_remove_policy[__CONFIG_REM_MAX] = {
 487         [CONFIG_REM_IFACE] = { "iface", BLOBMSG_TYPE_STRING },
 488 };
 489
 490 static int
 491 hostapd_config_remove(struct ubus_context *ctx, struct ubus_object *obj,
 492                       struct ubus_request_data *req, const char *method,
 493                       struct blob_attr *msg)
 494 {
 495         struct blob_attr *tb[__CONFIG_REM_MAX];
 496         struct hapd_interfaces *interfaces = get_hapd_interfaces_from_object(obj);
 497         char buf[128];
 498
 499         blobmsg_parse(config_remove_policy, __CONFIG_REM_MAX, tb, blob_data(msg), blob_len(msg));
 500
 501         if (!tb[CONFIG_REM_IFACE])
 502                 return UBUS_STATUS_INVALID_ARGUMENT;
 503
 504         if (hostapd_remove_iface(interfaces, blobmsg_get_string(tb[CONFIG_REM_IFACE])))
 505                 return UBUS_STATUS_INVALID_ARGUMENT;
 506
 507         return UBUS_STATUS_OK;
 508 }
 509
 510 enum {
 511         CSA_FREQ,
 512         CSA_BCN_COUNT,
 513         CSA_CENTER_FREQ1,
 514         CSA_CENTER_FREQ2,
 515         CSA_BANDWIDTH,
 516         CSA_SEC_CHANNEL_OFFSET,
 517         CSA_HT,
 518         CSA_VHT,
 519         CSA_BLOCK_TX,
 520         __CSA_MAX
 521 };
 522
 523 static const struct blobmsg_policy csa_policy[__CSA_MAX] = {
 524         [CSA_FREQ] = { "freq", BLOBMSG_TYPE_INT32 },
 525         [CSA_BCN_COUNT] = { "bcn_count", BLOBMSG_TYPE_INT32 },
 526         [CSA_CENTER_FREQ1] = { "center_freq1", BLOBMSG_TYPE_INT32 },
 527         [CSA_CENTER_FREQ2] = { "center_freq2", BLOBMSG_TYPE_INT32 },
 528         [CSA_BANDWIDTH] = { "bandwidth", BLOBMSG_TYPE_INT32 },
 529         [CSA_SEC_CHANNEL_OFFSET] = { "sec_channel_offset", BLOBMSG_TYPE_INT32 },
 530         [CSA_HT] = { "ht", BLOBMSG_TYPE_BOOL },
 531         [CSA_VHT] = { "vht", BLOBMSG_TYPE_BOOL },
 532         [CSA_BLOCK_TX] = { "block_tx", BLOBMSG_TYPE_BOOL },
 533 };
 534
 535 #ifdef NEED_AP_MLME
 536 static int
 537 hostapd_switch_chan(struct ubus_context *ctx, struct ubus_object *obj,
 538                     struct ubus_request_data *req, const char *method,
 539                     struct blob_attr *msg)
 540 {
 541         struct blob_attr *tb[__CSA_MAX];
 542         struct hostapd_data *hapd = get_hapd_from_object(obj);
 543         struct csa_settings css;
 544
 545         blobmsg_parse(csa_policy, __CSA_MAX, tb, blob_data(msg), blob_len(msg));
 546
 547         if (!tb[CSA_FREQ])
 548                 return UBUS_STATUS_INVALID_ARGUMENT;
 549
 550         memset(&css, 0, sizeof(css));
 551         css.freq_params.freq = blobmsg_get_u32(tb[CSA_FREQ]);
 552
 553 #define SET_CSA_SETTING(name, field, type) \
 554         do { \
 555                 if (tb[name]) \
 556                         css.field = blobmsg_get_ ## type(tb[name]); \
 557         } while(0)
 558
 559         SET_CSA_SETTING(CSA_BCN_COUNT, cs_count, u32);
 560         SET_CSA_SETTING(CSA_CENTER_FREQ1, freq_params.center_freq1, u32);
 561         SET_CSA_SETTING(CSA_CENTER_FREQ2, freq_params.center_freq2, u32);
 562         SET_CSA_SETTING(CSA_BANDWIDTH, freq_params.bandwidth, u32);
 563         SET_CSA_SETTING(CSA_SEC_CHANNEL_OFFSET, freq_params.sec_channel_offset, u32);
 564         SET_CSA_SETTING(CSA_HT, freq_params.ht_enabled, bool);
 565         SET_CSA_SETTING(CSA_VHT, freq_params.vht_enabled, bool);
 566         SET_CSA_SETTING(CSA_BLOCK_TX, block_tx, bool);
 567
 568
 569         if (hostapd_switch_channel(hapd, &css) != 0)
 570                 return UBUS_STATUS_NOT_SUPPORTED;
 571         return UBUS_STATUS_OK;
 572 #undef SET_CSA_SETTING
 573 }
 574 #endif
 575
 576 enum {
 577         VENDOR_ELEMENTS,
 578         __VENDOR_ELEMENTS_MAX
 579 };
 580
 581 static const struct blobmsg_policy ve_policy[__VENDOR_ELEMENTS_MAX] = {
 582         /* vendor elements are provided as hex-string */
 583         [VENDOR_ELEMENTS] = { "vendor_elements", BLOBMSG_TYPE_STRING },
 584 };
 585
 586 static int
 587 hostapd_vendor_elements(struct ubus_context *ctx, struct ubus_object *obj,
 588                         struct ubus_request_data *req, const char *method,
 589                         struct blob_attr *msg)
 590 {
 591         struct blob_attr *tb[__VENDOR_ELEMENTS_MAX];
 592         struct hostapd_data *hapd = get_hapd_from_object(obj);
 593         struct hostapd_bss_config *bss = hapd->conf;
 594         struct wpabuf *elems;
 595         const char *pos;
 596         size_t len;
 597
 598         blobmsg_parse(ve_policy, __VENDOR_ELEMENTS_MAX, tb,
 599                       blob_data(msg), blob_len(msg));
 600
 601         if (!tb[VENDOR_ELEMENTS])
 602                 return UBUS_STATUS_INVALID_ARGUMENT;
 603
 604         pos = blobmsg_data(tb[VENDOR_ELEMENTS]);
 605         len = os_strlen(pos);
 606         if (len & 0x01)
 607                         return UBUS_STATUS_INVALID_ARGUMENT;
 608
 609         len /= 2;
 610         if (len == 0) {
 611                 wpabuf_free(bss->vendor_elements);
 612                 bss->vendor_elements = NULL;
 613                 return 0;
 614         }
 615
 616         elems = wpabuf_alloc(len);
 617         if (elems == NULL)
 618                 return 1;
 619
 620         if (hexstr2bin(pos, wpabuf_put(elems, len), len)) {
 621                 wpabuf_free(elems);
 622                 return UBUS_STATUS_INVALID_ARGUMENT;
 623         }
 624
 625         wpabuf_free(bss->vendor_elements);
 626         bss->vendor_elements = elems;
 627
 628         /* update beacons if vendor elements were set successfully */
 629         if (ieee802_11_update_beacons(hapd->iface) != 0)
 630                 return UBUS_STATUS_NOT_SUPPORTED;
 631         return UBUS_STATUS_OK;
 632 }
 633
 634 static void
 635 hostapd_rrm_print_nr(struct hostapd_neighbor_entry *nr)
 636 {
 637         const u8 *data;
 638         char *str;
 639         int len;
 640
 641         blobmsg_printf(&b, "", MACSTR, MAC2STR(nr->bssid));
 642
 643         str = blobmsg_alloc_string_buffer(&b, "", nr->ssid.ssid_len + 1);
 644         memcpy(str, nr->ssid.ssid, nr->ssid.ssid_len);
 645         str[nr->ssid.ssid_len] = 0;
 646         blobmsg_add_string_buffer(&b);
 647
 648         len = wpabuf_len(nr->nr);
 649         str = blobmsg_alloc_string_buffer(&b, "", 2 * len + 1);
 650         wpa_snprintf_hex(str, 2 * len + 1, wpabuf_head_u8(nr->nr), len);
 651         blobmsg_add_string_buffer(&b);
 652 }
 653
 654 enum {
 655         BSS_MGMT_EN_NEIGHBOR,
 656         BSS_MGMT_EN_BEACON,
 657 #ifdef CONFIG_WNM_AP
 658         BSS_MGMT_EN_BSS_TRANSITION,
 659 #endif
 660         __BSS_MGMT_EN_MAX
 661 };
 662
 663 static bool
 664 __hostapd_bss_mgmt_enable_f(struct hostapd_data *hapd, int flag)
 665 {
 666         struct hostapd_bss_config *bss = hapd->conf;
 667         uint32_t flags;
 668
 669         switch (flag) {
 670         case BSS_MGMT_EN_NEIGHBOR:
 671                 if (bss->radio_measurements[0] &
 672                     WLAN_RRM_CAPS_NEIGHBOR_REPORT)
 673                         return false;
 674
 675                 bss->radio_measurements[0] |=
 676                         WLAN_RRM_CAPS_NEIGHBOR_REPORT;
 677                 hostapd_neighbor_set_own_report(hapd);
 678                 return true;
 679         case BSS_MGMT_EN_BEACON:
 680                 flags = WLAN_RRM_CAPS_BEACON_REPORT_PASSIVE |
 681                         WLAN_RRM_CAPS_BEACON_REPORT_ACTIVE |
 682                         WLAN_RRM_CAPS_BEACON_REPORT_TABLE;
 683
 684                 if (bss->radio_measurements[0] & flags == flags)
 685                         return false;
 686
 687                 bss->radio_measurements[0] |= (u8) flags;
 688                 return true;
 689 #ifdef CONFIG_WNM_AP
 690         case BSS_MGMT_EN_BSS_TRANSITION:
 691                 if (bss->bss_transition)
 692                         return false;
 693
 694                 bss->bss_transition = 1;
 695                 return true;
 696 #endif
 697         }
 698 }
 699
 700 static void
 701 __hostapd_bss_mgmt_enable(struct hostapd_data *hapd, uint32_t flags)
 702 {
 703         bool update = false;
 704         int i;
 705
 706         for (i = 0; i < __BSS_MGMT_EN_MAX; i++) {
 707                 if (!(flags & (1 << i)))
 708                         continue;
 709
 710                 update |= __hostapd_bss_mgmt_enable_f(hapd, i);
 711         }
 712
 713         if (update)
 714                 ieee802_11_update_beacons(hapd->iface);
 715 }
 716
 717
 718 static const struct blobmsg_policy bss_mgmt_enable_policy[__BSS_MGMT_EN_MAX] = {
 719         [BSS_MGMT_EN_NEIGHBOR] = { "neighbor_report", BLOBMSG_TYPE_BOOL },
 720         [BSS_MGMT_EN_BEACON] = { "beacon_report", BLOBMSG_TYPE_BOOL },
 721 #ifdef CONFIG_WNM_AP
 722         [BSS_MGMT_EN_BSS_TRANSITION] = { "bss_transition", BLOBMSG_TYPE_BOOL },
 723 #endif
 724 };
 725
 726 static int
 727 hostapd_bss_mgmt_enable(struct ubus_context *ctx, struct ubus_object *obj,
 728                    struct ubus_request_data *req, const char *method,
 729                    struct blob_attr *msg)
 730
 731 {
 732         struct hostapd_data *hapd = get_hapd_from_object(obj);
 733         struct blob_attr *tb[__BSS_MGMT_EN_MAX];
 734         struct blob_attr *cur;
 735         uint32_t flags = 0;
 736         int i;
 737         bool neigh = false, beacon = false;
 738
 739         blobmsg_parse(bss_mgmt_enable_policy, __BSS_MGMT_EN_MAX, tb, blob_data(msg), blob_len(msg));
 740
 741         for (i = 0; i < ARRAY_SIZE(tb); i++) {
 742                 if (!tb[i] || !blobmsg_get_bool(tb[i]))
 743                         continue;
 744
 745                 flags |= (1 << i);
 746         }
 747
 748         __hostapd_bss_mgmt_enable(hapd, flags);
 749 }
 750
 751
 752 static void
 753 hostapd_rrm_nr_enable(struct hostapd_data *hapd)
 754 {
 755         __hostapd_bss_mgmt_enable(hapd, 1 << BSS_MGMT_EN_NEIGHBOR);
 756 }
 757
 758 static int
 759 hostapd_rrm_nr_get_own(struct ubus_context *ctx, struct ubus_object *obj,
 760                        struct ubus_request_data *req, const char *method,
 761                        struct blob_attr *msg)
 762 {
 763         struct hostapd_data *hapd = get_hapd_from_object(obj);
 764         struct hostapd_neighbor_entry *nr;
 765         void *c;
 766
 767         hostapd_rrm_nr_enable(hapd);
 768
 769         nr = hostapd_neighbor_get(hapd, hapd->own_addr, NULL);
 770         if (!nr)
 771                 return UBUS_STATUS_NOT_FOUND;
 772
 773         blob_buf_init(&b, 0);
 774
 775         c = blobmsg_open_array(&b, "value");
 776         hostapd_rrm_print_nr(nr);
 777         blobmsg_close_array(&b, c);
 778
 779         ubus_send_reply(ctx, req, b.head);
 780
 781         return 0;
 782 }
 783
 784 static int
 785 hostapd_rrm_nr_list(struct ubus_context *ctx, struct ubus_object *obj,
 786                     struct ubus_request_data *req, const char *method,
 787                     struct blob_attr *msg)
 788 {
 789         struct hostapd_data *hapd = get_hapd_from_object(obj);
 790         struct hostapd_neighbor_entry *nr;
 791         void *c;
 792
 793         hostapd_rrm_nr_enable(hapd);
 794         blob_buf_init(&b, 0);
 795
 796         c = blobmsg_open_array(&b, "list");
 797         dl_list_for_each(nr, &hapd->nr_db, struct hostapd_neighbor_entry, list) {
 798                 void *cur;
 799
 800                 if (!memcmp(nr->bssid, hapd->own_addr, ETH_ALEN))
 801                         continue;
 802
 803                 cur = blobmsg_open_array(&b, NULL);
 804                 hostapd_rrm_print_nr(nr);
 805                 blobmsg_close_array(&b, cur);
 806         }
 807         blobmsg_close_array(&b, c);
 808
 809         ubus_send_reply(ctx, req, b.head);
 810
 811         return 0;
 812 }
 813
 814 enum {
 815         NR_SET_LIST,
 816         __NR_SET_LIST_MAX
 817 };
 818
 819 static const struct blobmsg_policy nr_set_policy[__NR_SET_LIST_MAX] = {
 820         [NR_SET_LIST] = { "list", BLOBMSG_TYPE_ARRAY },
 821 };
 822
 823
 824 static void
 825 hostapd_rrm_nr_clear(struct hostapd_data *hapd)
 826 {
 827         struct hostapd_neighbor_entry *nr;
 828
 829 restart:
 830         dl_list_for_each(nr, &hapd->nr_db, struct hostapd_neighbor_entry, list) {
 831                 if (!memcmp(nr->bssid, hapd->own_addr, ETH_ALEN))
 832                         continue;
 833
 834                 hostapd_neighbor_remove(hapd, nr->bssid, &nr->ssid);
 835                 goto restart;
 836         }
 837 }
 838
 839 static int
 840 hostapd_rrm_nr_set(struct ubus_context *ctx, struct ubus_object *obj,
 841                    struct ubus_request_data *req, const char *method,
 842                    struct blob_attr *msg)
 843 {
 844         static const struct blobmsg_policy nr_e_policy[] = {
 845                 { .type = BLOBMSG_TYPE_STRING },
 846                 { .type = BLOBMSG_TYPE_STRING },
 847                 { .type = BLOBMSG_TYPE_STRING },
 848         };
 849         struct hostapd_data *hapd = get_hapd_from_object(obj);
 850         struct blob_attr *tb_l[__NR_SET_LIST_MAX];
 851         struct blob_attr *tb[ARRAY_SIZE(nr_e_policy)];
 852         struct blob_attr *cur;
 853         int rem;
 854
 855         hostapd_rrm_nr_enable(hapd);
 856
 857         blobmsg_parse(nr_set_policy, __NR_SET_LIST_MAX, tb_l, blob_data(msg), blob_len(msg));
 858         if (!tb_l[NR_SET_LIST])
 859                 return UBUS_STATUS_INVALID_ARGUMENT;
 860
 861         hostapd_rrm_nr_clear(hapd);
 862         blobmsg_for_each_attr(cur, tb_l[NR_SET_LIST], rem) {
 863                 struct wpa_ssid_value ssid;
 864                 struct wpabuf *data;
 865                 u8 bssid[ETH_ALEN];
 866                 char *s, *nr_s;
 867
 868                 blobmsg_parse_array(nr_e_policy, ARRAY_SIZE(nr_e_policy), tb, blobmsg_data(cur), blobmsg_data_len(cur));
 869                 if (!tb[0] || !tb[1] || !tb[2])
 870                         goto invalid;
 871
 872                 /* Neighbor Report binary */
 873                 nr_s = blobmsg_get_string(tb[2]);
 874                 data = wpabuf_parse_bin(nr_s);
 875                 if (!data)
 876                         goto invalid;
 877
 878                 /* BSSID */
 879                 s = blobmsg_get_string(tb[0]);
 880                 if (strlen(s) == 0) {
 881                         /* Copy BSSID from neighbor report */
 882                         if (hwaddr_compact_aton(nr_s, bssid))
 883                                 goto invalid;
 884                 } else if (hwaddr_aton(s, bssid)) {
 885                         goto invalid;
 886                 }
 887
 888                 /* SSID */
 889                 s = blobmsg_get_string(tb[1]);
 890                 if (strlen(s) == 0) {
 891                         /* Copy SSID from hostapd BSS conf */
 892                         memcpy(&ssid, &hapd->conf->ssid, sizeof(ssid));
 893                 } else {
 894                         ssid.ssid_len = strlen(s);
 895                         if (ssid.ssid_len > sizeof(ssid.ssid))
 896                                 goto invalid;
 897
 898                         memcpy(&ssid, s, ssid.ssid_len);
 899                 }
 900
 901                 hostapd_neighbor_set(hapd, bssid, &ssid, data, NULL, NULL, 0);
 902                 wpabuf_free(data);
 903                 continue;
 904
 905 invalid:
 906                 return UBUS_STATUS_INVALID_ARGUMENT;
 907         }
 908
 909         return 0;
 910 }
 911
 912 enum {
 913         BEACON_REQ_ADDR,
 914         BEACON_REQ_MODE,
 915         BEACON_REQ_OP_CLASS,
 916         BEACON_REQ_CHANNEL,
 917         BEACON_REQ_DURATION,
 918         BEACON_REQ_BSSID,
 919         BEACON_REQ_SSID,
 920         __BEACON_REQ_MAX,
 921 };
 922
 923 static const struct blobmsg_policy beacon_req_policy[__BEACON_REQ_MAX] = {
 924         [BEACON_REQ_ADDR] = { "addr", BLOBMSG_TYPE_STRING },
 925         [BEACON_REQ_OP_CLASS] { "op_class", BLOBMSG_TYPE_INT32 },
 926         [BEACON_REQ_CHANNEL] { "channel", BLOBMSG_TYPE_INT32 },
 927         [BEACON_REQ_DURATION] { "duration", BLOBMSG_TYPE_INT32 },
 928         [BEACON_REQ_MODE] { "mode", BLOBMSG_TYPE_INT32 },
 929         [BEACON_REQ_BSSID] { "bssid", BLOBMSG_TYPE_STRING },
 930         [BEACON_REQ_SSID] { "ssid", BLOBMSG_TYPE_STRING },
 931 };
 932
 933 static int
 934 hostapd_rrm_beacon_req(struct ubus_context *ctx, struct ubus_object *obj,
 935                        struct ubus_request_data *ureq, const char *method,
 936                        struct blob_attr *msg)
 937 {
 938         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 939         struct blob_attr *tb[__BEACON_REQ_MAX];
 940         struct blob_attr *cur;
 941         struct wpabuf *req;
 942         u8 bssid[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
 943         u8 addr[ETH_ALEN];
 944         int mode, rem, ret;
 945         int buf_len = 13;
 946
 947         blobmsg_parse(beacon_req_policy, __BEACON_REQ_MAX, tb, blob_data(msg), blob_len(msg));
 948
 949         if (!tb[BEACON_REQ_ADDR] || !tb[BEACON_REQ_MODE] || !tb[BEACON_REQ_DURATION] ||
 950             !tb[BEACON_REQ_OP_CLASS] || !tb[BEACON_REQ_CHANNEL])
 951                 return UBUS_STATUS_INVALID_ARGUMENT;
 952
 953         if (tb[BEACON_REQ_SSID])
 954                 buf_len += blobmsg_data_len(tb[BEACON_REQ_SSID]) + 2 - 1;
 955
 956         mode = blobmsg_get_u32(tb[BEACON_REQ_MODE]);
 957         if (hwaddr_aton(blobmsg_data(tb[BEACON_REQ_ADDR]), addr))
 958                 return UBUS_STATUS_INVALID_ARGUMENT;
 959
 960         if (tb[BEACON_REQ_BSSID] &&
 961             hwaddr_aton(blobmsg_data(tb[BEACON_REQ_BSSID]), bssid))
 962                 return UBUS_STATUS_INVALID_ARGUMENT;
 963
 964         req = wpabuf_alloc(buf_len);
 965         if (!req)
 966                 return UBUS_STATUS_UNKNOWN_ERROR;
 967
 968         /* 1: regulatory class */
 969         wpabuf_put_u8(req, blobmsg_get_u32(tb[BEACON_REQ_OP_CLASS]));
 970
 971         /* 2: channel number */
 972         wpabuf_put_u8(req, blobmsg_get_u32(tb[BEACON_REQ_CHANNEL]));
 973
 974         /* 3-4: randomization interval */
 975         wpabuf_put_le16(req, 0);
 976
 977         /* 5-6: duration */
 978         wpabuf_put_le16(req, blobmsg_get_u32(tb[BEACON_REQ_DURATION]));
 979
 980         /* 7: mode */
 981         wpabuf_put_u8(req, blobmsg_get_u32(tb[BEACON_REQ_MODE]));
 982
 983         /* 8-13: BSSID */
 984         wpabuf_put_data(req, bssid, ETH_ALEN);
 985
 986         if ((cur = tb[BEACON_REQ_SSID]) != NULL) {
 987                 wpabuf_put_u8(req, WLAN_EID_SSID);
 988                 wpabuf_put_u8(req, blobmsg_data_len(cur) - 1);
 989                 wpabuf_put_data(req, blobmsg_data(cur), blobmsg_data_len(cur) - 1);
 990         }
 991
 992         ret = hostapd_send_beacon_req(hapd, addr, 0, req);
 993         if (ret < 0)
 994                 return -ret;
 995
 996         return 0;
 997 }
 998
 999
1000 #ifdef CONFIG_WNM_AP
1001 enum {
1002         WNM_DISASSOC_ADDR,
1003         WNM_DISASSOC_DURATION,
1004         WNM_DISASSOC_NEIGHBORS,
1005         WNM_DISASSOC_ABRIDGED,
1006         __WNM_DISASSOC_MAX,
1007 };
1008
1009 static const struct blobmsg_policy wnm_disassoc_policy[__WNM_DISASSOC_MAX] = {
1010         [WNM_DISASSOC_ADDR] = { "addr", BLOBMSG_TYPE_STRING },
1011         [WNM_DISASSOC_DURATION] { "duration", BLOBMSG_TYPE_INT32 },
1012         [WNM_DISASSOC_NEIGHBORS] { "neighbors", BLOBMSG_TYPE_ARRAY },
1013         [WNM_DISASSOC_ABRIDGED] { "abridged", BLOBMSG_TYPE_BOOL },
1014 };
1015
1016 static int
1017 hostapd_wnm_disassoc_imminent(struct ubus_context *ctx, struct ubus_object *obj,
1018                               struct ubus_request_data *ureq, const char *method,
1019                               struct blob_attr *msg)
1020 {
1021         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
1022         struct blob_attr *tb[__WNM_DISASSOC_MAX];
1023         struct blob_attr *cur;
1024         struct sta_info *sta;
1025         int duration = 10;
1026         int rem;
1027         int nr_len = 0;
1028         u8 *nr = NULL;
1029         u8 req_mode = WNM_BSS_TM_REQ_DISASSOC_IMMINENT;
1030         u8 addr[ETH_ALEN];
1031
1032         blobmsg_parse(wnm_disassoc_policy, __WNM_DISASSOC_MAX, tb, blob_data(msg), blob_len(msg));
1033
1034         if (!tb[WNM_DISASSOC_ADDR])
1035                 return UBUS_STATUS_INVALID_ARGUMENT;
1036
1037         if (hwaddr_aton(blobmsg_data(tb[WNM_DISASSOC_ADDR]), addr))
1038                 return UBUS_STATUS_INVALID_ARGUMENT;
1039
1040         if ((cur = tb[WNM_DISASSOC_DURATION]) != NULL)
1041                 duration = blobmsg_get_u32(cur);
1042
1043         sta = ap_get_sta(hapd, addr);
1044         if (!sta)
1045                 return UBUS_STATUS_NOT_FOUND;
1046
1047         if (tb[WNM_DISASSOC_NEIGHBORS]) {
1048                 u8 *nr_cur;
1049
1050                 if (blobmsg_check_array(tb[WNM_DISASSOC_NEIGHBORS],
1051                                         BLOBMSG_TYPE_STRING) < 0)
1052                         return UBUS_STATUS_INVALID_ARGUMENT;
1053
1054                 blobmsg_for_each_attr(cur, tb[WNM_DISASSOC_NEIGHBORS], rem) {
1055                         int len = strlen(blobmsg_get_string(cur));
1056
1057                         if (len % 2)
1058                                 return UBUS_STATUS_INVALID_ARGUMENT;
1059
1060                         nr_len += (len / 2) + 2;
1061                 }
1062
1063                 if (nr_len) {
1064                         nr = os_zalloc(nr_len);
1065                         if (!nr)
1066                                 return UBUS_STATUS_UNKNOWN_ERROR;
1067                 }
1068
1069                 nr_cur = nr;
1070                 blobmsg_for_each_attr(cur, tb[WNM_DISASSOC_NEIGHBORS], rem) {
1071                         int len = strlen(blobmsg_get_string(cur)) / 2;
1072
1073                         *nr_cur++ = WLAN_EID_NEIGHBOR_REPORT;
1074                         *nr_cur++ = (u8) len;
1075                         if (hexstr2bin(blobmsg_data(cur), nr_cur, len)) {
1076                                 free(nr);
1077                                 return UBUS_STATUS_INVALID_ARGUMENT;
1078                         }
1079
1080                         nr_cur += len;
1081                 }
1082         }
1083
1084         if (nr)
1085                 req_mode |= WNM_BSS_TM_REQ_PREF_CAND_LIST_INCLUDED;
1086
1087         if (tb[WNM_DISASSOC_ABRIDGED] && blobmsg_get_bool(tb[WNM_DISASSOC_ABRIDGED]))
1088                 req_mode |= WNM_BSS_TM_REQ_ABRIDGED;
1089
1090         if (wnm_send_bss_tm_req(hapd, sta, req_mode, duration, 0, NULL,
1091                                 NULL, nr, nr_len, NULL, 0))
1092                 return UBUS_STATUS_UNKNOWN_ERROR;
1093
1094         return 0;
1095 }
1096 #endif
1097
1098 static const struct ubus_method bss_methods[] = {
1099         UBUS_METHOD_NOARG("reload", hostapd_bss_reload),
1100         UBUS_METHOD_NOARG("get_clients", hostapd_bss_get_clients),
1101         UBUS_METHOD("del_client", hostapd_bss_del_client, del_policy),
1102         UBUS_METHOD_NOARG("list_bans", hostapd_bss_list_bans),
1103         UBUS_METHOD_NOARG("wps_start", hostapd_bss_wps_start),
1104         UBUS_METHOD_NOARG("wps_cancel", hostapd_bss_wps_cancel),
1105         UBUS_METHOD_NOARG("update_beacon", hostapd_bss_update_beacon),
1106         UBUS_METHOD_NOARG("get_features", hostapd_bss_get_features),
1107 #ifdef NEED_AP_MLME
1108         UBUS_METHOD("switch_chan", hostapd_switch_chan, csa_policy),
1109 #endif
1110         UBUS_METHOD("set_vendor_elements", hostapd_vendor_elements, ve_policy),
1111         UBUS_METHOD("notify_response", hostapd_notify_response, notify_policy),
1112         UBUS_METHOD("bss_mgmt_enable", hostapd_bss_mgmt_enable, bss_mgmt_enable_policy),
1113         UBUS_METHOD_NOARG("rrm_nr_get_own", hostapd_rrm_nr_get_own),
1114         UBUS_METHOD_NOARG("rrm_nr_list", hostapd_rrm_nr_list),
1115         UBUS_METHOD("rrm_nr_set", hostapd_rrm_nr_set, nr_set_policy),
1116         UBUS_METHOD("rrm_beacon_req", hostapd_rrm_beacon_req, beacon_req_policy),
1117 #ifdef CONFIG_WNM_AP
1118         UBUS_METHOD("wnm_disassoc_imminent", hostapd_wnm_disassoc_imminent, wnm_disassoc_policy),
1119 #endif
1120 };
1121
1122 static struct ubus_object_type bss_object_type =
1123         UBUS_OBJECT_TYPE("hostapd_bss", bss_methods);
1124
1125 static int avl_compare_macaddr(const void *k1, const void *k2, void *ptr)
1126 {
1127         return memcmp(k1, k2, ETH_ALEN);
1128 }
1129
1130 void hostapd_ubus_add_bss(struct hostapd_data *hapd)
1131 {
1132         struct ubus_object *obj = &hapd->ubus.obj;
1133         char *name;
1134         int ret;
1135
1136 #ifdef CONFIG_MESH
1137         if (hapd->conf->mesh & MESH_ENABLED)
1138                 return;
1139 #endif
1140
1141         if (!hostapd_ubus_init())
1142                 return;
1143
1144         if (asprintf(&name, "hostapd.%s", hapd->conf->iface) < 0)
1145                 return;
1146
1147         avl_init(&hapd->ubus.banned, avl_compare_macaddr, false, NULL);
1148         obj->name = name;
1149         obj->type = &bss_object_type;
1150         obj->methods = bss_object_type.methods;
1151         obj->n_methods = bss_object_type.n_methods;
1152         ret = ubus_add_object(ctx, obj);
1153         hostapd_ubus_ref_inc();
1154
1155         hostapd_send_shared_event(&hapd->iface->interfaces->ubus, hapd->conf->iface, "add");
1156 }
1157
1158 void hostapd_ubus_free_bss(struct hostapd_data *hapd)
1159 {
1160         struct ubus_object *obj = &hapd->ubus.obj;
1161         char *name = (char *) obj->name;
1162
1163         if (!ctx)
1164                 return;
1165
1166         hostapd_send_shared_event(&hapd->iface->interfaces->ubus, hapd->conf->iface, "remove");
1167
1168         if (obj->id) {
1169                 ubus_remove_object(ctx, obj);
1170                 hostapd_ubus_ref_dec();
1171         }
1172
1173         free(name);
1174 }
1175
1176 static const struct ubus_method daemon_methods[] = {
1177         UBUS_METHOD("config_add", hostapd_config_add, config_add_policy),
1178         UBUS_METHOD("config_remove", hostapd_config_remove, config_remove_policy),
1179 };
1180
1181 static struct ubus_object_type daemon_object_type =
1182         UBUS_OBJECT_TYPE("hostapd", daemon_methods);
1183
1184 void hostapd_ubus_add(struct hapd_interfaces *interfaces)
1185 {
1186         struct ubus_object *obj = &interfaces->ubus;
1187         int ret;
1188
1189         if (!hostapd_ubus_init())
1190                 return;
1191
1192         obj->name = strdup("hostapd");
1193
1194         obj->type = &daemon_object_type;
1195         obj->methods = daemon_object_type.methods;
1196         obj->n_methods = daemon_object_type.n_methods;
1197         ret = ubus_add_object(ctx, obj);
1198         hostapd_ubus_ref_inc();
1199 }
1200
1201 void hostapd_ubus_free(struct hapd_interfaces *interfaces)
1202 {
1203         struct ubus_object *obj = &interfaces->ubus;
1204         char *name = (char *) obj->name;
1205
1206         if (!ctx)
1207                 return;
1208
1209         if (obj->id) {
1210                 ubus_remove_object(ctx, obj);
1211                 hostapd_ubus_ref_dec();
1212         }
1213
1214         free(name);
1215 }
1216
1217 struct ubus_event_req {
1218         struct ubus_notify_request nreq;
1219         int resp;
1220 };
1221
1222 static void
1223 ubus_event_cb(struct ubus_notify_request *req, int idx, int ret)
1224 {
1225         struct ubus_event_req *ureq = container_of(req, struct ubus_event_req, nreq);
1226
1227         ureq->resp = ret;
1228 }
1229
1230 int hostapd_ubus_handle_event(struct hostapd_data *hapd, struct hostapd_ubus_request *req)
1231 {
1232         struct ubus_banned_client *ban;
1233         const char *types[HOSTAPD_UBUS_TYPE_MAX] = {
1234                 [HOSTAPD_UBUS_PROBE_REQ] = "probe",
1235                 [HOSTAPD_UBUS_AUTH_REQ] = "auth",
1236                 [HOSTAPD_UBUS_ASSOC_REQ] = "assoc",
1237         };
1238         const char *type = "mgmt";
1239         struct ubus_event_req ureq = {};
1240         const u8 *addr;
1241
1242         if (req->mgmt_frame)
1243                 addr = req->mgmt_frame->sa;
1244         else
1245                 addr = req->addr;
1246
1247         ban = avl_find_element(&hapd->ubus.banned, addr, ban, avl);
1248         if (ban)
1249                 return WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
1250
1251         if (!hapd->ubus.obj.has_subscribers)
1252                 return WLAN_STATUS_SUCCESS;
1253
1254         if (req->type < ARRAY_SIZE(types))
1255                 type = types[req->type];
1256
1257         blob_buf_init(&b, 0);
1258         blobmsg_add_macaddr(&b, "address", addr);
1259         if (req->mgmt_frame)
1260                 blobmsg_add_macaddr(&b, "target", req->mgmt_frame->da);
1261         if (req->ssi_signal)
1262                 blobmsg_add_u32(&b, "signal", req->ssi_signal);
1263         blobmsg_add_u32(&b, "freq", hapd->iface->freq);
1264
1265         if (req->elems) {
1266                 if(req->elems->ht_capabilities)
1267                 {
1268                         struct ieee80211_ht_capabilities *ht_capabilities;
1269                         void *ht_cap, *ht_cap_mcs_set, *mcs_set;
1270
1271
1272                         ht_capabilities = (struct ieee80211_ht_capabilities*) req->elems->ht_capabilities;
1273                         ht_cap = blobmsg_open_table(&b, "ht_capabilities");
1274                         blobmsg_add_u16(&b, "ht_capabilities_info", ht_capabilities->ht_capabilities_info);
1275                         ht_cap_mcs_set = blobmsg_open_table(&b, "supported_mcs_set");
1276                         blobmsg_add_u16(&b, "a_mpdu_params", ht_capabilities->a_mpdu_params);
1277                         blobmsg_add_u16(&b, "ht_extended_capabilities", ht_capabilities->ht_extended_capabilities);
1278                         blobmsg_add_u32(&b, "tx_bf_capability_info", ht_capabilities->tx_bf_capability_info);
1279                         blobmsg_add_u16(&b, "asel_capabilities", ht_capabilities->asel_capabilities);
1280                         mcs_set = blobmsg_open_array(&b, "supported_mcs_set");
1281                         for (int i = 0; i < 16; i++) {
1282                                 blobmsg_add_u16(&b, NULL, (u16) ht_capabilities->supported_mcs_set[i]);
1283                         }
1284                         blobmsg_close_array(&b, mcs_set);
1285                         blobmsg_close_table(&b, ht_cap_mcs_set);
1286                         blobmsg_close_table(&b, ht_cap);
1287                 }
1288                 if(req->elems->vht_capabilities)
1289                 {
1290                         struct ieee80211_vht_capabilities *vht_capabilities;
1291                         void *vht_cap, *vht_cap_mcs_set;
1292
1293                         vht_capabilities = (struct ieee80211_vht_capabilities*) req->elems->vht_capabilities;
1294                         vht_cap = blobmsg_open_table(&b, "vht_capabilities");
1295                         blobmsg_add_u32(&b, "vht_capabilities_info", vht_capabilities->vht_capabilities_info);
1296                         vht_cap_mcs_set = blobmsg_open_table(&b, "vht_supported_mcs_set");
1297                         blobmsg_add_u16(&b, "rx_map", vht_capabilities->vht_supported_mcs_set.rx_map);
1298                         blobmsg_add_u16(&b, "rx_highest", vht_capabilities->vht_supported_mcs_set.rx_highest);
1299                         blobmsg_add_u16(&b, "tx_map", vht_capabilities->vht_supported_mcs_set.tx_map);
1300                         blobmsg_add_u16(&b, "tx_highest", vht_capabilities->vht_supported_mcs_set.tx_highest);
1301                         blobmsg_close_table(&b, vht_cap_mcs_set);
1302                         blobmsg_close_table(&b, vht_cap);
1303                 }
1304         }
1305
1306         if (!hapd->ubus.notify_response) {
1307                 ubus_notify(ctx, &hapd->ubus.obj, type, b.head, -1);
1308                 return WLAN_STATUS_SUCCESS;
1309         }
1310
1311         if (ubus_notify_async(ctx, &hapd->ubus.obj, type, b.head, &ureq.nreq))
1312                 return WLAN_STATUS_SUCCESS;
1313
1314         ureq.nreq.status_cb = ubus_event_cb;
1315         ubus_complete_request(ctx, &ureq.nreq.req, 100);
1316
1317         if (ureq.resp)
1318                 return ureq.resp;
1319
1320         return WLAN_STATUS_SUCCESS;
1321 }
1322
1323 void hostapd_ubus_notify(struct hostapd_data *hapd, const char *type, const u8 *addr)
1324 {
1325         if (!hapd->ubus.obj.has_subscribers)
1326                 return;
1327
1328         if (!addr)
1329                 return;
1330
1331         blob_buf_init(&b, 0);
1332         blobmsg_add_macaddr(&b, "address", addr);
1333
1334         ubus_notify(ctx, &hapd->ubus.obj, type, b.head, -1);
1335 }
1336
1337 void hostapd_ubus_notify_beacon_report(
1338         struct hostapd_data *hapd, const u8 *addr, u8 token, u8 rep_mode,
1339         struct rrm_measurement_beacon_report *rep, size_t len)
1340 {
1341         if (!hapd->ubus.obj.has_subscribers)
1342                 return;
1343
1344         if (!addr || !rep)
1345                 return;
1346
1347         blob_buf_init(&b, 0);
1348         blobmsg_add_macaddr(&b, "address", addr);
1349         blobmsg_add_u16(&b, "op-class", rep->op_class);
1350         blobmsg_add_u16(&b, "channel", rep->channel);
1351         blobmsg_add_u64(&b, "start-time", rep->start_time);
1352         blobmsg_add_u16(&b, "duration", rep->duration);
1353         blobmsg_add_u16(&b, "report-info", rep->report_info);
1354         blobmsg_add_u16(&b, "rcpi", rep->rcpi);
1355         blobmsg_add_u16(&b, "rsni", rep->rsni);
1356         blobmsg_add_macaddr(&b, "bssid", rep->bssid);
1357         blobmsg_add_u16(&b, "antenna-id", rep->antenna_id);
1358         blobmsg_add_u16(&b, "parent-tsf", rep->parent_tsf);
1359
1360         ubus_notify(ctx, &hapd->ubus.obj, "beacon-report", b.head, -1);
1361 }