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 #include "airtime_policy.h"
  25
  26 static struct ubus_context *ctx;
  27 static struct blob_buf b;
  28 static int ctx_ref;
  29
  30 static inline struct hapd_interfaces *get_hapd_interfaces_from_object(struct ubus_object *obj)
  31 {
  32         return container_of(obj, struct hapd_interfaces, ubus);
  33 }
  34
  35 static inline struct hostapd_data *get_hapd_from_object(struct ubus_object *obj)
  36 {
  37         return container_of(obj, struct hostapd_data, ubus.obj);
  38 }
  39
  40 struct ubus_banned_client {
  41         struct avl_node avl;
  42         u8 addr[ETH_ALEN];
  43 };
  44
  45 static void ubus_receive(int sock, void *eloop_ctx, void *sock_ctx)
  46 {
  47         struct ubus_context *ctx = eloop_ctx;
  48         ubus_handle_event(ctx);
  49 }
  50
  51 static void ubus_reconnect_timeout(void *eloop_data, void *user_ctx)
  52 {
  53         if (ubus_reconnect(ctx, NULL)) {
  54                 eloop_register_timeout(1, 0, ubus_reconnect_timeout, ctx, NULL);
  55                 return;
  56         }
  57
  58         eloop_register_read_sock(ctx->sock.fd, ubus_receive, ctx, NULL);
  59 }
  60
  61 static void hostapd_ubus_connection_lost(struct ubus_context *ctx)
  62 {
  63         eloop_unregister_read_sock(ctx->sock.fd);
  64         eloop_register_timeout(1, 0, ubus_reconnect_timeout, ctx, NULL);
  65 }
  66
  67 static bool hostapd_ubus_init(void)
  68 {
  69         if (ctx)
  70                 return true;
  71
  72         ctx = ubus_connect(NULL);
  73         if (!ctx)
  74                 return false;
  75
  76         ctx->connection_lost = hostapd_ubus_connection_lost;
  77         eloop_register_read_sock(ctx->sock.fd, ubus_receive, ctx, NULL);
  78         return true;
  79 }
  80
  81 static void hostapd_ubus_ref_inc(void)
  82 {
  83         ctx_ref++;
  84 }
  85
  86 static void hostapd_ubus_ref_dec(void)
  87 {
  88         ctx_ref--;
  89         if (!ctx)
  90                 return;
  91
  92         if (ctx_ref)
  93                 return;
  94
  95         eloop_unregister_read_sock(ctx->sock.fd);
  96         ubus_free(ctx);
  97         ctx = NULL;
  98 }
  99
 100 void hostapd_ubus_add_iface(struct hostapd_iface *iface)
 101 {
 102         if (!hostapd_ubus_init())
 103                 return;
 104 }
 105
 106 void hostapd_ubus_free_iface(struct hostapd_iface *iface)
 107 {
 108         if (!ctx)
 109                 return;
 110 }
 111
 112 static void hostapd_notify_ubus(struct ubus_object *obj, char *bssname, char *event)
 113 {
 114         char *event_type;
 115
 116         if (!ctx || !obj)
 117                 return;
 118
 119         if (asprintf(&event_type, "bss.%s", event) < 0)
 120                 return;
 121
 122         blob_buf_init(&b, 0);
 123         blobmsg_add_string(&b, "name", bssname);
 124         ubus_notify(ctx, obj, event_type, b.head, -1);
 125         free(event_type);
 126 }
 127
 128 static void hostapd_send_procd_event(char *bssname, char *event)
 129 {
 130         char *name, *s;
 131         uint32_t id;
 132         void *v;
 133
 134         if (!ctx || ubus_lookup_id(ctx, "service", &id))
 135                 return;
 136
 137         if (asprintf(&name, "hostapd.%s.%s", bssname, event) < 0)
 138                 return;
 139
 140         blob_buf_init(&b, 0);
 141
 142         s = blobmsg_alloc_string_buffer(&b, "type", strlen(name) + 1);
 143         sprintf(s, "%s", name);
 144         blobmsg_add_string_buffer(&b);
 145
 146         v = blobmsg_open_table(&b, "data");
 147         blobmsg_close_table(&b, v);
 148
 149         ubus_invoke(ctx, id, "event", b.head, NULL, NULL, 1000);
 150
 151         free(name);
 152 }
 153
 154 static void hostapd_send_shared_event(struct ubus_object *obj, char *bssname, char *event)
 155 {
 156         hostapd_send_procd_event(bssname, event);
 157         hostapd_notify_ubus(obj, bssname, event);
 158 }
 159
 160 static void
 161 hostapd_bss_del_ban(void *eloop_data, void *user_ctx)
 162 {
 163         struct ubus_banned_client *ban = eloop_data;
 164         struct hostapd_data *hapd = user_ctx;
 165
 166         avl_delete(&hapd->ubus.banned, &ban->avl);
 167         free(ban);
 168 }
 169
 170 static void
 171 hostapd_bss_ban_client(struct hostapd_data *hapd, u8 *addr, int time)
 172 {
 173         struct ubus_banned_client *ban;
 174
 175         if (time < 0)
 176                 time = 0;
 177
 178         ban = avl_find_element(&hapd->ubus.banned, addr, ban, avl);
 179         if (!ban) {
 180                 if (!time)
 181                         return;
 182
 183                 ban = os_zalloc(sizeof(*ban));
 184                 memcpy(ban->addr, addr, sizeof(ban->addr));
 185                 ban->avl.key = ban->addr;
 186                 avl_insert(&hapd->ubus.banned, &ban->avl);
 187         } else {
 188                 eloop_cancel_timeout(hostapd_bss_del_ban, ban, hapd);
 189                 if (!time) {
 190                         hostapd_bss_del_ban(ban, hapd);
 191                         return;
 192                 }
 193         }
 194
 195         eloop_register_timeout(0, time * 1000, hostapd_bss_del_ban, ban, hapd);
 196 }
 197
 198 static int
 199 hostapd_bss_reload(struct ubus_context *ctx, struct ubus_object *obj,
 200                    struct ubus_request_data *req, const char *method,
 201                    struct blob_attr *msg)
 202 {
 203         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 204         int ret = hostapd_reload_config(hapd->iface, 1);
 205
 206         hostapd_send_shared_event(&hapd->iface->interfaces->ubus, hapd->conf->iface, "reload");
 207         return ret;
 208 }
 209
 210
 211 static void
 212 hostapd_parse_vht_map_blobmsg(uint16_t map)
 213 {
 214         char label[4];
 215         int16_t val;
 216         int i;
 217
 218         for (i = 0; i < 8; i++) {
 219                 snprintf(label, 4, "%dss", i + 1);
 220
 221                 val = (map & (BIT(1) | BIT(0))) + 7;
 222                 blobmsg_add_u16(&b, label, val == 10 ? -1 : val);
 223                 map = map >> 2;
 224         }
 225 }
 226
 227 static void
 228 hostapd_parse_vht_capab_blobmsg(struct ieee80211_vht_capabilities *vhtc)
 229 {
 230         void *supported_mcs;
 231         void *map;
 232         int i;
 233
 234         static const struct {
 235                 const char *name;
 236                 uint32_t flag;
 237         } vht_capas[] = {
 238                 { "su_beamformee", VHT_CAP_SU_BEAMFORMEE_CAPABLE },
 239                 { "mu_beamformee", VHT_CAP_MU_BEAMFORMEE_CAPABLE },
 240         };
 241
 242         for (i = 0; i < ARRAY_SIZE(vht_capas); i++)
 243                 blobmsg_add_u8(&b, vht_capas[i].name,
 244                                 !!(vhtc->vht_capabilities_info & vht_capas[i].flag));
 245
 246         supported_mcs = blobmsg_open_table(&b, "mcs_map");
 247
 248         /* RX map */
 249         map = blobmsg_open_table(&b, "rx");
 250         hostapd_parse_vht_map_blobmsg(le_to_host16(vhtc->vht_supported_mcs_set.rx_map));
 251         blobmsg_close_table(&b, map);
 252
 253         /* TX map */
 254         map = blobmsg_open_table(&b, "tx");
 255         hostapd_parse_vht_map_blobmsg(le_to_host16(vhtc->vht_supported_mcs_set.tx_map));
 256         blobmsg_close_table(&b, map);
 257
 258         blobmsg_close_table(&b, supported_mcs);
 259 }
 260
 261 static void
 262 hostapd_parse_capab_blobmsg(struct sta_info *sta)
 263 {
 264         void *r, *v;
 265
 266         v = blobmsg_open_table(&b, "capabilities");
 267
 268         if (sta->vht_capabilities) {
 269                 r = blobmsg_open_table(&b, "vht");
 270                 hostapd_parse_vht_capab_blobmsg(sta->vht_capabilities);
 271                 blobmsg_close_table(&b, r);
 272         }
 273
 274         /* ToDo: Add HT / HE capability parsing */
 275
 276         blobmsg_close_table(&b, v);
 277 }
 278
 279 static int
 280 hostapd_bss_get_clients(struct ubus_context *ctx, struct ubus_object *obj,
 281                         struct ubus_request_data *req, const char *method,
 282                         struct blob_attr *msg)
 283 {
 284         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 285         struct hostap_sta_driver_data sta_driver_data;
 286         struct sta_info *sta;
 287         void *list, *c;
 288         char mac_buf[20];
 289         static const struct {
 290                 const char *name;
 291                 uint32_t flag;
 292         } sta_flags[] = {
 293                 { "auth", WLAN_STA_AUTH },
 294                 { "assoc", WLAN_STA_ASSOC },
 295                 { "authorized", WLAN_STA_AUTHORIZED },
 296                 { "preauth", WLAN_STA_PREAUTH },
 297                 { "wds", WLAN_STA_WDS },
 298                 { "wmm", WLAN_STA_WMM },
 299                 { "ht", WLAN_STA_HT },
 300                 { "vht", WLAN_STA_VHT },
 301                 { "he", WLAN_STA_HE },
 302                 { "wps", WLAN_STA_WPS },
 303                 { "mfp", WLAN_STA_MFP },
 304         };
 305
 306         blob_buf_init(&b, 0);
 307         blobmsg_add_u32(&b, "freq", hapd->iface->freq);
 308         list = blobmsg_open_table(&b, "clients");
 309         for (sta = hapd->sta_list; sta; sta = sta->next) {
 310                 void *r;
 311                 int i;
 312
 313                 sprintf(mac_buf, MACSTR, MAC2STR(sta->addr));
 314                 c = blobmsg_open_table(&b, mac_buf);
 315                 for (i = 0; i < ARRAY_SIZE(sta_flags); i++)
 316                         blobmsg_add_u8(&b, sta_flags[i].name,
 317                                        !!(sta->flags & sta_flags[i].flag));
 318
 319                 r = blobmsg_open_array(&b, "rrm");
 320                 for (i = 0; i < ARRAY_SIZE(sta->rrm_enabled_capa); i++)
 321                         blobmsg_add_u32(&b, "", sta->rrm_enabled_capa[i]);
 322                 blobmsg_close_array(&b, r);
 323                 blobmsg_add_u32(&b, "aid", sta->aid);
 324 #ifdef CONFIG_TAXONOMY
 325                 r = blobmsg_alloc_string_buffer(&b, "signature", 1024);
 326                 if (retrieve_sta_taxonomy(hapd, sta, r, 1024) > 0)
 327                         blobmsg_add_string_buffer(&b);
 328 #endif
 329
 330                 /* Driver information */
 331                 if (hostapd_drv_read_sta_data(hapd, &sta_driver_data, sta->addr) >= 0) {
 332                         r = blobmsg_open_table(&b, "bytes");
 333                         blobmsg_add_u64(&b, "rx", sta_driver_data.rx_bytes);
 334                         blobmsg_add_u64(&b, "tx", sta_driver_data.tx_bytes);
 335                         blobmsg_close_table(&b, r);
 336                         r = blobmsg_open_table(&b, "airtime");
 337                         blobmsg_add_u64(&b, "rx", sta_driver_data.rx_airtime);
 338                         blobmsg_add_u64(&b, "tx", sta_driver_data.tx_airtime);
 339                         blobmsg_close_table(&b, r);
 340                         r = blobmsg_open_table(&b, "packets");
 341                         blobmsg_add_u32(&b, "rx", sta_driver_data.rx_packets);
 342                         blobmsg_add_u32(&b, "tx", sta_driver_data.tx_packets);
 343                         blobmsg_close_table(&b, r);
 344                         r = blobmsg_open_table(&b, "rate");
 345                         /* Rate in kbits */
 346                         blobmsg_add_u32(&b, "rx", sta_driver_data.current_rx_rate * 100);
 347                         blobmsg_add_u32(&b, "tx", sta_driver_data.current_tx_rate * 100);
 348                         blobmsg_close_table(&b, r);
 349                         blobmsg_add_u32(&b, "signal", sta_driver_data.signal);
 350                 }
 351
 352                 hostapd_parse_capab_blobmsg(sta);
 353
 354                 blobmsg_close_table(&b, c);
 355         }
 356         blobmsg_close_array(&b, list);
 357         ubus_send_reply(ctx, req, b.head);
 358
 359         return 0;
 360 }
 361
 362 static int
 363 hostapd_bss_get_features(struct ubus_context *ctx, struct ubus_object *obj,
 364                         struct ubus_request_data *req, const char *method,
 365                         struct blob_attr *msg)
 366 {
 367         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 368
 369         blob_buf_init(&b, 0);
 370         blobmsg_add_u8(&b, "ht_supported", ht_supported(hapd->iface->hw_features));
 371         blobmsg_add_u8(&b, "vht_supported", vht_supported(hapd->iface->hw_features));
 372         ubus_send_reply(ctx, req, b.head);
 373
 374         return 0;
 375 }
 376
 377 /* Imported from iw/util.c
 378  *  https://git.kernel.org/pub/scm/linux/kernel/git/jberg/iw.git/tree/util.c?id=4b25ae3537af48dbf9d0abf94132e5ba01b32c18#n200
 379  */
 380 int ieee80211_frequency_to_channel(int freq)
 381 {
 382         /* see 802.11-2007 17.3.8.3.2 and Annex J */
 383         if (freq == 2484)
 384                 return 14;
 385         /* see 802.11ax D6.1 27.3.23.2 and Annex E */
 386         else if (freq == 5935)
 387                 return 2;
 388         else if (freq < 2484)
 389                 return (freq - 2407) / 5;
 390         else if (freq >= 4910 && freq <= 4980)
 391                 return (freq - 4000) / 5;
 392         else if (freq < 5950)
 393                 return (freq - 5000) / 5;
 394         else if (freq <= 45000) /* DMG band lower limit */
 395                 /* see 802.11ax D6.1 27.3.23.2 */
 396                 return (freq - 5950) / 5;
 397         else if (freq >= 58320 && freq <= 70200)
 398                 return (freq - 56160) / 2160;
 399         else
 400                 return 0;
 401 }
 402
 403 static int
 404 hostapd_bss_get_status(struct ubus_context *ctx, struct ubus_object *obj,
 405                        struct ubus_request_data *req, const char *method,
 406                        struct blob_attr *msg)
 407 {
 408         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 409         void *airtime_table, *dfs_table;
 410         struct os_reltime now;
 411         char ssid[SSID_MAX_LEN + 1];
 412         char phy_name[17];
 413         size_t ssid_len = SSID_MAX_LEN;
 414
 415         if (hapd->conf->ssid.ssid_len < SSID_MAX_LEN)
 416                 ssid_len = hapd->conf->ssid.ssid_len;
 417
 418         blob_buf_init(&b, 0);
 419         blobmsg_add_string(&b, "status", hostapd_state_text(hapd->iface->state));
 420         blobmsg_printf(&b, "bssid", MACSTR, MAC2STR(hapd->conf->bssid));
 421
 422         memset(ssid, 0, SSID_MAX_LEN + 1);
 423         memcpy(ssid, hapd->conf->ssid.ssid, ssid_len);
 424         blobmsg_add_string(&b, "ssid", ssid);
 425
 426         blobmsg_add_u32(&b, "freq", hapd->iface->freq);
 427         blobmsg_add_u32(&b, "channel", ieee80211_frequency_to_channel(hapd->iface->freq));
 428
 429         snprintf(phy_name, 17, "%s", hapd->iface->phy);
 430         blobmsg_add_string(&b, "phy", phy_name);
 431
 432         /* Airtime */
 433         airtime_table = blobmsg_open_table(&b, "airtime");
 434         blobmsg_add_u64(&b, "time", hapd->iface->last_channel_time);
 435         blobmsg_add_u64(&b, "time_busy", hapd->iface->last_channel_time_busy);
 436         blobmsg_add_u16(&b, "utilization", hapd->iface->channel_utilization);
 437         blobmsg_close_table(&b, airtime_table);
 438
 439         /* DFS */
 440         dfs_table = blobmsg_open_table(&b, "dfs");
 441         blobmsg_add_u32(&b, "cac_seconds", hapd->iface->dfs_cac_ms / 1000);
 442         blobmsg_add_u8(&b, "cac_active", !!(hapd->iface->cac_started));
 443         os_reltime_age(&hapd->iface->dfs_cac_start, &now);
 444         blobmsg_add_u32(&b, "cac_seconds_left",
 445                         hapd->iface->cac_started ? hapd->iface->dfs_cac_ms / 1000 - now.sec : 0);
 446         blobmsg_close_table(&b, dfs_table);
 447
 448         ubus_send_reply(ctx, req, b.head);
 449
 450         return 0;
 451 }
 452
 453 enum {
 454         NOTIFY_RESPONSE,
 455         __NOTIFY_MAX
 456 };
 457
 458 static const struct blobmsg_policy notify_policy[__NOTIFY_MAX] = {
 459         [NOTIFY_RESPONSE] = { "notify_response", BLOBMSG_TYPE_INT32 },
 460 };
 461
 462 static int
 463 hostapd_notify_response(struct ubus_context *ctx, struct ubus_object *obj,
 464                         struct ubus_request_data *req, const char *method,
 465                         struct blob_attr *msg)
 466 {
 467         struct blob_attr *tb[__NOTIFY_MAX];
 468         struct hostapd_data *hapd = get_hapd_from_object(obj);
 469         struct wpabuf *elems;
 470         const char *pos;
 471         size_t len;
 472
 473         blobmsg_parse(notify_policy, __NOTIFY_MAX, tb,
 474                       blob_data(msg), blob_len(msg));
 475
 476         if (!tb[NOTIFY_RESPONSE])
 477                 return UBUS_STATUS_INVALID_ARGUMENT;
 478
 479         hapd->ubus.notify_response = blobmsg_get_u32(tb[NOTIFY_RESPONSE]);
 480
 481         return UBUS_STATUS_OK;
 482 }
 483
 484 enum {
 485         DEL_CLIENT_ADDR,
 486         DEL_CLIENT_REASON,
 487         DEL_CLIENT_DEAUTH,
 488         DEL_CLIENT_BAN_TIME,
 489         __DEL_CLIENT_MAX
 490 };
 491
 492 static const struct blobmsg_policy del_policy[__DEL_CLIENT_MAX] = {
 493         [DEL_CLIENT_ADDR] = { "addr", BLOBMSG_TYPE_STRING },
 494         [DEL_CLIENT_REASON] = { "reason", BLOBMSG_TYPE_INT32 },
 495         [DEL_CLIENT_DEAUTH] = { "deauth", BLOBMSG_TYPE_INT8 },
 496         [DEL_CLIENT_BAN_TIME] = { "ban_time", BLOBMSG_TYPE_INT32 },
 497 };
 498
 499 static int
 500 hostapd_bss_del_client(struct ubus_context *ctx, struct ubus_object *obj,
 501                         struct ubus_request_data *req, const char *method,
 502                         struct blob_attr *msg)
 503 {
 504         struct blob_attr *tb[__DEL_CLIENT_MAX];
 505         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 506         struct sta_info *sta;
 507         bool deauth = false;
 508         int reason;
 509         u8 addr[ETH_ALEN];
 510
 511         blobmsg_parse(del_policy, __DEL_CLIENT_MAX, tb, blob_data(msg), blob_len(msg));
 512
 513         if (!tb[DEL_CLIENT_ADDR])
 514                 return UBUS_STATUS_INVALID_ARGUMENT;
 515
 516         if (hwaddr_aton(blobmsg_data(tb[DEL_CLIENT_ADDR]), addr))
 517                 return UBUS_STATUS_INVALID_ARGUMENT;
 518
 519         if (tb[DEL_CLIENT_REASON])
 520                 reason = blobmsg_get_u32(tb[DEL_CLIENT_REASON]);
 521
 522         if (tb[DEL_CLIENT_DEAUTH])
 523                 deauth = blobmsg_get_bool(tb[DEL_CLIENT_DEAUTH]);
 524
 525         sta = ap_get_sta(hapd, addr);
 526         if (sta) {
 527                 if (deauth) {
 528                         hostapd_drv_sta_deauth(hapd, addr, reason);
 529                         ap_sta_deauthenticate(hapd, sta, reason);
 530                 } else {
 531                         hostapd_drv_sta_disassoc(hapd, addr, reason);
 532                         ap_sta_disassociate(hapd, sta, reason);
 533                 }
 534         }
 535
 536         if (tb[DEL_CLIENT_BAN_TIME])
 537                 hostapd_bss_ban_client(hapd, addr, blobmsg_get_u32(tb[DEL_CLIENT_BAN_TIME]));
 538
 539         return 0;
 540 }
 541
 542 static void
 543 blobmsg_add_macaddr(struct blob_buf *buf, const char *name, const u8 *addr)
 544 {
 545         char *s;
 546
 547         s = blobmsg_alloc_string_buffer(buf, name, 20);
 548         sprintf(s, MACSTR, MAC2STR(addr));
 549         blobmsg_add_string_buffer(buf);
 550 }
 551
 552 static int
 553 hostapd_bss_list_bans(struct ubus_context *ctx, struct ubus_object *obj,
 554                       struct ubus_request_data *req, const char *method,
 555                       struct blob_attr *msg)
 556 {
 557         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 558         struct ubus_banned_client *ban;
 559         void *c;
 560
 561         blob_buf_init(&b, 0);
 562         c = blobmsg_open_array(&b, "clients");
 563         avl_for_each_element(&hapd->ubus.banned, ban, avl)
 564                 blobmsg_add_macaddr(&b, NULL, ban->addr);
 565         blobmsg_close_array(&b, c);
 566         ubus_send_reply(ctx, req, b.head);
 567
 568         return 0;
 569 }
 570
 571 #ifdef CONFIG_WPS
 572 static int
 573 hostapd_bss_wps_start(struct ubus_context *ctx, struct ubus_object *obj,
 574                         struct ubus_request_data *req, const char *method,
 575                         struct blob_attr *msg)
 576 {
 577         int rc;
 578         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 579
 580         rc = hostapd_wps_button_pushed(hapd, NULL);
 581
 582         if (rc != 0)
 583                 return UBUS_STATUS_NOT_SUPPORTED;
 584
 585         return 0;
 586 }
 587
 588
 589 static const char * pbc_status_enum_str(enum pbc_status status)
 590 {
 591         switch (status) {
 592         case WPS_PBC_STATUS_DISABLE:
 593                 return "Disabled";
 594         case WPS_PBC_STATUS_ACTIVE:
 595                 return "Active";
 596         case WPS_PBC_STATUS_TIMEOUT:
 597                 return "Timed-out";
 598         case WPS_PBC_STATUS_OVERLAP:
 599                 return "Overlap";
 600         default:
 601                 return "Unknown";
 602         }
 603 }
 604
 605 static int
 606 hostapd_bss_wps_status(struct ubus_context *ctx, struct ubus_object *obj,
 607                         struct ubus_request_data *req, const char *method,
 608                         struct blob_attr *msg)
 609 {
 610         int rc;
 611         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 612
 613         blob_buf_init(&b, 0);
 614
 615         blobmsg_add_string(&b, "pbc_status", pbc_status_enum_str(hapd->wps_stats.pbc_status));
 616         blobmsg_add_string(&b, "last_wps_result",
 617                            (hapd->wps_stats.status == WPS_STATUS_SUCCESS ?
 618                             "Success":
 619                             (hapd->wps_stats.status == WPS_STATUS_FAILURE ?
 620                              "Failed" : "None")));
 621
 622         /* If status == Failure - Add possible Reasons */
 623         if(hapd->wps_stats.status == WPS_STATUS_FAILURE &&
 624            hapd->wps_stats.failure_reason > 0)
 625                 blobmsg_add_string(&b, "reason", wps_ei_str(hapd->wps_stats.failure_reason));
 626
 627         if (hapd->wps_stats.status)
 628                 blobmsg_printf(&b, "peer_address", MACSTR, MAC2STR(hapd->wps_stats.peer_addr));
 629
 630         ubus_send_reply(ctx, req, b.head);
 631
 632         return 0;
 633 }
 634
 635 static int
 636 hostapd_bss_wps_cancel(struct ubus_context *ctx, struct ubus_object *obj,
 637                         struct ubus_request_data *req, const char *method,
 638                         struct blob_attr *msg)
 639 {
 640         int rc;
 641         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 642
 643         rc = hostapd_wps_cancel(hapd);
 644
 645         if (rc != 0)
 646                 return UBUS_STATUS_NOT_SUPPORTED;
 647
 648         return 0;
 649 }
 650 #endif /* CONFIG_WPS */
 651
 652 static int
 653 hostapd_bss_update_beacon(struct ubus_context *ctx, struct ubus_object *obj,
 654                         struct ubus_request_data *req, const char *method,
 655                         struct blob_attr *msg)
 656 {
 657         int rc;
 658         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 659
 660         rc = ieee802_11_set_beacon(hapd);
 661
 662         if (rc != 0)
 663                 return UBUS_STATUS_NOT_SUPPORTED;
 664
 665         return 0;
 666 }
 667
 668 enum {
 669         CONFIG_IFACE,
 670         CONFIG_FILE,
 671         __CONFIG_MAX
 672 };
 673
 674 static const struct blobmsg_policy config_add_policy[__CONFIG_MAX] = {
 675         [CONFIG_IFACE] = { "iface", BLOBMSG_TYPE_STRING },
 676         [CONFIG_FILE] = { "config", BLOBMSG_TYPE_STRING },
 677 };
 678
 679 static int
 680 hostapd_config_add(struct ubus_context *ctx, struct ubus_object *obj,
 681                    struct ubus_request_data *req, const char *method,
 682                    struct blob_attr *msg)
 683 {
 684         struct blob_attr *tb[__CONFIG_MAX];
 685         struct hapd_interfaces *interfaces = get_hapd_interfaces_from_object(obj);
 686         char buf[128];
 687
 688         blobmsg_parse(config_add_policy, __CONFIG_MAX, tb, blob_data(msg), blob_len(msg));
 689
 690         if (!tb[CONFIG_FILE] || !tb[CONFIG_IFACE])
 691                 return UBUS_STATUS_INVALID_ARGUMENT;
 692
 693         snprintf(buf, sizeof(buf), "bss_config=%s:%s",
 694                 blobmsg_get_string(tb[CONFIG_IFACE]),
 695                 blobmsg_get_string(tb[CONFIG_FILE]));
 696
 697         if (hostapd_add_iface(interfaces, buf))
 698                 return UBUS_STATUS_INVALID_ARGUMENT;
 699
 700         blob_buf_init(&b, 0);
 701         blobmsg_add_u32(&b, "pid", getpid());
 702         ubus_send_reply(ctx, req, b.head);
 703
 704         return UBUS_STATUS_OK;
 705 }
 706
 707 enum {
 708         CONFIG_REM_IFACE,
 709         __CONFIG_REM_MAX
 710 };
 711
 712 static const struct blobmsg_policy config_remove_policy[__CONFIG_REM_MAX] = {
 713         [CONFIG_REM_IFACE] = { "iface", BLOBMSG_TYPE_STRING },
 714 };
 715
 716 static int
 717 hostapd_config_remove(struct ubus_context *ctx, struct ubus_object *obj,
 718                       struct ubus_request_data *req, const char *method,
 719                       struct blob_attr *msg)
 720 {
 721         struct blob_attr *tb[__CONFIG_REM_MAX];
 722         struct hapd_interfaces *interfaces = get_hapd_interfaces_from_object(obj);
 723         char buf[128];
 724
 725         blobmsg_parse(config_remove_policy, __CONFIG_REM_MAX, tb, blob_data(msg), blob_len(msg));
 726
 727         if (!tb[CONFIG_REM_IFACE])
 728                 return UBUS_STATUS_INVALID_ARGUMENT;
 729
 730         if (hostapd_remove_iface(interfaces, blobmsg_get_string(tb[CONFIG_REM_IFACE])))
 731                 return UBUS_STATUS_INVALID_ARGUMENT;
 732
 733         return UBUS_STATUS_OK;
 734 }
 735
 736 enum {
 737         CSA_FREQ,
 738         CSA_BCN_COUNT,
 739         CSA_CENTER_FREQ1,
 740         CSA_CENTER_FREQ2,
 741         CSA_BANDWIDTH,
 742         CSA_SEC_CHANNEL_OFFSET,
 743         CSA_HT,
 744         CSA_VHT,
 745         CSA_BLOCK_TX,
 746         __CSA_MAX
 747 };
 748
 749 static const struct blobmsg_policy csa_policy[__CSA_MAX] = {
 750         [CSA_FREQ] = { "freq", BLOBMSG_TYPE_INT32 },
 751         [CSA_BCN_COUNT] = { "bcn_count", BLOBMSG_TYPE_INT32 },
 752         [CSA_CENTER_FREQ1] = { "center_freq1", BLOBMSG_TYPE_INT32 },
 753         [CSA_CENTER_FREQ2] = { "center_freq2", BLOBMSG_TYPE_INT32 },
 754         [CSA_BANDWIDTH] = { "bandwidth", BLOBMSG_TYPE_INT32 },
 755         [CSA_SEC_CHANNEL_OFFSET] = { "sec_channel_offset", BLOBMSG_TYPE_INT32 },
 756         [CSA_HT] = { "ht", BLOBMSG_TYPE_BOOL },
 757         [CSA_VHT] = { "vht", BLOBMSG_TYPE_BOOL },
 758         [CSA_BLOCK_TX] = { "block_tx", BLOBMSG_TYPE_BOOL },
 759 };
 760
 761 #ifdef NEED_AP_MLME
 762 static int
 763 hostapd_switch_chan(struct ubus_context *ctx, struct ubus_object *obj,
 764                     struct ubus_request_data *req, const char *method,
 765                     struct blob_attr *msg)
 766 {
 767         struct blob_attr *tb[__CSA_MAX];
 768         struct hostapd_data *hapd = get_hapd_from_object(obj);
 769         struct csa_settings css;
 770         int ret = UBUS_STATUS_OK;
 771         int i;
 772
 773         blobmsg_parse(csa_policy, __CSA_MAX, tb, blob_data(msg), blob_len(msg));
 774
 775         if (!tb[CSA_FREQ])
 776                 return UBUS_STATUS_INVALID_ARGUMENT;
 777
 778         memset(&css, 0, sizeof(css));
 779         css.freq_params.freq = blobmsg_get_u32(tb[CSA_FREQ]);
 780
 781 #define SET_CSA_SETTING(name, field, type) \
 782         do { \
 783                 if (tb[name]) \
 784                         css.field = blobmsg_get_ ## type(tb[name]); \
 785         } while(0)
 786
 787         SET_CSA_SETTING(CSA_BCN_COUNT, cs_count, u32);
 788         SET_CSA_SETTING(CSA_CENTER_FREQ1, freq_params.center_freq1, u32);
 789         SET_CSA_SETTING(CSA_CENTER_FREQ2, freq_params.center_freq2, u32);
 790         SET_CSA_SETTING(CSA_BANDWIDTH, freq_params.bandwidth, u32);
 791         SET_CSA_SETTING(CSA_SEC_CHANNEL_OFFSET, freq_params.sec_channel_offset, u32);
 792         SET_CSA_SETTING(CSA_HT, freq_params.ht_enabled, bool);
 793         SET_CSA_SETTING(CSA_VHT, freq_params.vht_enabled, bool);
 794         SET_CSA_SETTING(CSA_BLOCK_TX, block_tx, bool);
 795
 796         for (i = 0; i < hapd->iface->num_bss; i++) {
 797                 struct hostapd_data *bss = hapd->iface->bss[i];
 798
 799                 if (hostapd_switch_channel(bss, &css) != 0)
 800                         ret = UBUS_STATUS_NOT_SUPPORTED;
 801         }
 802
 803         return ret;
 804 #undef SET_CSA_SETTING
 805 }
 806 #endif
 807
 808 enum {
 809         VENDOR_ELEMENTS,
 810         __VENDOR_ELEMENTS_MAX
 811 };
 812
 813 static const struct blobmsg_policy ve_policy[__VENDOR_ELEMENTS_MAX] = {
 814         /* vendor elements are provided as hex-string */
 815         [VENDOR_ELEMENTS] = { "vendor_elements", BLOBMSG_TYPE_STRING },
 816 };
 817
 818 static int
 819 hostapd_vendor_elements(struct ubus_context *ctx, struct ubus_object *obj,
 820                         struct ubus_request_data *req, const char *method,
 821                         struct blob_attr *msg)
 822 {
 823         struct blob_attr *tb[__VENDOR_ELEMENTS_MAX];
 824         struct hostapd_data *hapd = get_hapd_from_object(obj);
 825         struct hostapd_bss_config *bss = hapd->conf;
 826         struct wpabuf *elems;
 827         const char *pos;
 828         size_t len;
 829
 830         blobmsg_parse(ve_policy, __VENDOR_ELEMENTS_MAX, tb,
 831                       blob_data(msg), blob_len(msg));
 832
 833         if (!tb[VENDOR_ELEMENTS])
 834                 return UBUS_STATUS_INVALID_ARGUMENT;
 835
 836         pos = blobmsg_data(tb[VENDOR_ELEMENTS]);
 837         len = os_strlen(pos);
 838         if (len & 0x01)
 839                         return UBUS_STATUS_INVALID_ARGUMENT;
 840
 841         len /= 2;
 842         if (len == 0) {
 843                 wpabuf_free(bss->vendor_elements);
 844                 bss->vendor_elements = NULL;
 845                 return 0;
 846         }
 847
 848         elems = wpabuf_alloc(len);
 849         if (elems == NULL)
 850                 return 1;
 851
 852         if (hexstr2bin(pos, wpabuf_put(elems, len), len)) {
 853                 wpabuf_free(elems);
 854                 return UBUS_STATUS_INVALID_ARGUMENT;
 855         }
 856
 857         wpabuf_free(bss->vendor_elements);
 858         bss->vendor_elements = elems;
 859
 860         /* update beacons if vendor elements were set successfully */
 861         if (ieee802_11_update_beacons(hapd->iface) != 0)
 862                 return UBUS_STATUS_NOT_SUPPORTED;
 863         return UBUS_STATUS_OK;
 864 }
 865
 866 static void
 867 hostapd_rrm_print_nr(struct hostapd_neighbor_entry *nr)
 868 {
 869         const u8 *data;
 870         char *str;
 871         int len;
 872
 873         blobmsg_printf(&b, "", MACSTR, MAC2STR(nr->bssid));
 874
 875         str = blobmsg_alloc_string_buffer(&b, "", nr->ssid.ssid_len + 1);
 876         memcpy(str, nr->ssid.ssid, nr->ssid.ssid_len);
 877         str[nr->ssid.ssid_len] = 0;
 878         blobmsg_add_string_buffer(&b);
 879
 880         len = wpabuf_len(nr->nr);
 881         str = blobmsg_alloc_string_buffer(&b, "", 2 * len + 1);
 882         wpa_snprintf_hex(str, 2 * len + 1, wpabuf_head_u8(nr->nr), len);
 883         blobmsg_add_string_buffer(&b);
 884 }
 885
 886 enum {
 887         BSS_MGMT_EN_NEIGHBOR,
 888         BSS_MGMT_EN_BEACON,
 889 #ifdef CONFIG_WNM_AP
 890         BSS_MGMT_EN_BSS_TRANSITION,
 891 #endif
 892         __BSS_MGMT_EN_MAX
 893 };
 894
 895 static bool
 896 __hostapd_bss_mgmt_enable_f(struct hostapd_data *hapd, int flag)
 897 {
 898         struct hostapd_bss_config *bss = hapd->conf;
 899         uint32_t flags;
 900
 901         switch (flag) {
 902         case BSS_MGMT_EN_NEIGHBOR:
 903                 if (bss->radio_measurements[0] &
 904                     WLAN_RRM_CAPS_NEIGHBOR_REPORT)
 905                         return false;
 906
 907                 bss->radio_measurements[0] |=
 908                         WLAN_RRM_CAPS_NEIGHBOR_REPORT;
 909                 hostapd_neighbor_set_own_report(hapd);
 910                 return true;
 911         case BSS_MGMT_EN_BEACON:
 912                 flags = WLAN_RRM_CAPS_BEACON_REPORT_PASSIVE |
 913                         WLAN_RRM_CAPS_BEACON_REPORT_ACTIVE |
 914                         WLAN_RRM_CAPS_BEACON_REPORT_TABLE;
 915
 916                 if (bss->radio_measurements[0] & flags == flags)
 917                         return false;
 918
 919                 bss->radio_measurements[0] |= (u8) flags;
 920                 return true;
 921 #ifdef CONFIG_WNM_AP
 922         case BSS_MGMT_EN_BSS_TRANSITION:
 923                 if (bss->bss_transition)
 924                         return false;
 925
 926                 bss->bss_transition = 1;
 927                 return true;
 928 #endif
 929         }
 930 }
 931
 932 static void
 933 __hostapd_bss_mgmt_enable(struct hostapd_data *hapd, uint32_t flags)
 934 {
 935         bool update = false;
 936         int i;
 937
 938         for (i = 0; i < __BSS_MGMT_EN_MAX; i++) {
 939                 if (!(flags & (1 << i)))
 940                         continue;
 941
 942                 update |= __hostapd_bss_mgmt_enable_f(hapd, i);
 943         }
 944
 945         if (update)
 946                 ieee802_11_update_beacons(hapd->iface);
 947 }
 948
 949
 950 static const struct blobmsg_policy bss_mgmt_enable_policy[__BSS_MGMT_EN_MAX] = {
 951         [BSS_MGMT_EN_NEIGHBOR] = { "neighbor_report", BLOBMSG_TYPE_BOOL },
 952         [BSS_MGMT_EN_BEACON] = { "beacon_report", BLOBMSG_TYPE_BOOL },
 953 #ifdef CONFIG_WNM_AP
 954         [BSS_MGMT_EN_BSS_TRANSITION] = { "bss_transition", BLOBMSG_TYPE_BOOL },
 955 #endif
 956 };
 957
 958 static int
 959 hostapd_bss_mgmt_enable(struct ubus_context *ctx, struct ubus_object *obj,
 960                    struct ubus_request_data *req, const char *method,
 961                    struct blob_attr *msg)
 962
 963 {
 964         struct hostapd_data *hapd = get_hapd_from_object(obj);
 965         struct blob_attr *tb[__BSS_MGMT_EN_MAX];
 966         struct blob_attr *cur;
 967         uint32_t flags = 0;
 968         int i;
 969         bool neigh = false, beacon = false;
 970
 971         blobmsg_parse(bss_mgmt_enable_policy, __BSS_MGMT_EN_MAX, tb, blob_data(msg), blob_len(msg));
 972
 973         for (i = 0; i < ARRAY_SIZE(tb); i++) {
 974                 if (!tb[i] || !blobmsg_get_bool(tb[i]))
 975                         continue;
 976
 977                 flags |= (1 << i);
 978         }
 979
 980         __hostapd_bss_mgmt_enable(hapd, flags);
 981 }
 982
 983
 984 static void
 985 hostapd_rrm_nr_enable(struct hostapd_data *hapd)
 986 {
 987         __hostapd_bss_mgmt_enable(hapd, 1 << BSS_MGMT_EN_NEIGHBOR);
 988 }
 989
 990 static int
 991 hostapd_rrm_nr_get_own(struct ubus_context *ctx, struct ubus_object *obj,
 992                        struct ubus_request_data *req, const char *method,
 993                        struct blob_attr *msg)
 994 {
 995         struct hostapd_data *hapd = get_hapd_from_object(obj);
 996         struct hostapd_neighbor_entry *nr;
 997         void *c;
 998
 999         hostapd_rrm_nr_enable(hapd);
1000
1001         nr = hostapd_neighbor_get(hapd, hapd->own_addr, NULL);
1002         if (!nr)
1003                 return UBUS_STATUS_NOT_FOUND;
1004
1005         blob_buf_init(&b, 0);
1006
1007         c = blobmsg_open_array(&b, "value");
1008         hostapd_rrm_print_nr(nr);
1009         blobmsg_close_array(&b, c);
1010
1011         ubus_send_reply(ctx, req, b.head);
1012
1013         return 0;
1014 }
1015
1016 static int
1017 hostapd_rrm_nr_list(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 hostapd_data *hapd = get_hapd_from_object(obj);
1022         struct hostapd_neighbor_entry *nr;
1023         void *c;
1024
1025         hostapd_rrm_nr_enable(hapd);
1026         blob_buf_init(&b, 0);
1027
1028         c = blobmsg_open_array(&b, "list");
1029         dl_list_for_each(nr, &hapd->nr_db, struct hostapd_neighbor_entry, list) {
1030                 void *cur;
1031
1032                 if (!memcmp(nr->bssid, hapd->own_addr, ETH_ALEN))
1033                         continue;
1034
1035                 cur = blobmsg_open_array(&b, NULL);
1036                 hostapd_rrm_print_nr(nr);
1037                 blobmsg_close_array(&b, cur);
1038         }
1039         blobmsg_close_array(&b, c);
1040
1041         ubus_send_reply(ctx, req, b.head);
1042
1043         return 0;
1044 }
1045
1046 enum {
1047         NR_SET_LIST,
1048         __NR_SET_LIST_MAX
1049 };
1050
1051 static const struct blobmsg_policy nr_set_policy[__NR_SET_LIST_MAX] = {
1052         [NR_SET_LIST] = { "list", BLOBMSG_TYPE_ARRAY },
1053 };
1054
1055
1056 static void
1057 hostapd_rrm_nr_clear(struct hostapd_data *hapd)
1058 {
1059         struct hostapd_neighbor_entry *nr;
1060
1061 restart:
1062         dl_list_for_each(nr, &hapd->nr_db, struct hostapd_neighbor_entry, list) {
1063                 if (!memcmp(nr->bssid, hapd->own_addr, ETH_ALEN))
1064                         continue;
1065
1066                 hostapd_neighbor_remove(hapd, nr->bssid, &nr->ssid);
1067                 goto restart;
1068         }
1069 }
1070
1071 static int
1072 hostapd_rrm_nr_set(struct ubus_context *ctx, struct ubus_object *obj,
1073                    struct ubus_request_data *req, const char *method,
1074                    struct blob_attr *msg)
1075 {
1076         static const struct blobmsg_policy nr_e_policy[] = {
1077                 { .type = BLOBMSG_TYPE_STRING },
1078                 { .type = BLOBMSG_TYPE_STRING },
1079                 { .type = BLOBMSG_TYPE_STRING },
1080         };
1081         struct hostapd_data *hapd = get_hapd_from_object(obj);
1082         struct blob_attr *tb_l[__NR_SET_LIST_MAX];
1083         struct blob_attr *tb[ARRAY_SIZE(nr_e_policy)];
1084         struct blob_attr *cur;
1085         int rem;
1086
1087         hostapd_rrm_nr_enable(hapd);
1088
1089         blobmsg_parse(nr_set_policy, __NR_SET_LIST_MAX, tb_l, blob_data(msg), blob_len(msg));
1090         if (!tb_l[NR_SET_LIST])
1091                 return UBUS_STATUS_INVALID_ARGUMENT;
1092
1093         hostapd_rrm_nr_clear(hapd);
1094         blobmsg_for_each_attr(cur, tb_l[NR_SET_LIST], rem) {
1095                 struct wpa_ssid_value ssid;
1096                 struct wpabuf *data;
1097                 u8 bssid[ETH_ALEN];
1098                 char *s, *nr_s;
1099
1100                 blobmsg_parse_array(nr_e_policy, ARRAY_SIZE(nr_e_policy), tb, blobmsg_data(cur), blobmsg_data_len(cur));
1101                 if (!tb[0] || !tb[1] || !tb[2])
1102                         goto invalid;
1103
1104                 /* Neighbor Report binary */
1105                 nr_s = blobmsg_get_string(tb[2]);
1106                 data = wpabuf_parse_bin(nr_s);
1107                 if (!data)
1108                         goto invalid;
1109
1110                 /* BSSID */
1111                 s = blobmsg_get_string(tb[0]);
1112                 if (strlen(s) == 0) {
1113                         /* Copy BSSID from neighbor report */
1114                         if (hwaddr_compact_aton(nr_s, bssid))
1115                                 goto invalid;
1116                 } else if (hwaddr_aton(s, bssid)) {
1117                         goto invalid;
1118                 }
1119
1120                 /* SSID */
1121                 s = blobmsg_get_string(tb[1]);
1122                 if (strlen(s) == 0) {
1123                         /* Copy SSID from hostapd BSS conf */
1124                         memcpy(&ssid, &hapd->conf->ssid, sizeof(ssid));
1125                 } else {
1126                         ssid.ssid_len = strlen(s);
1127                         if (ssid.ssid_len > sizeof(ssid.ssid))
1128                                 goto invalid;
1129
1130                         memcpy(&ssid, s, ssid.ssid_len);
1131                 }
1132
1133                 hostapd_neighbor_set(hapd, bssid, &ssid, data, NULL, NULL, 0);
1134                 wpabuf_free(data);
1135                 continue;
1136
1137 invalid:
1138                 return UBUS_STATUS_INVALID_ARGUMENT;
1139         }
1140
1141         return 0;
1142 }
1143
1144 enum {
1145         BEACON_REQ_ADDR,
1146         BEACON_REQ_MODE,
1147         BEACON_REQ_OP_CLASS,
1148         BEACON_REQ_CHANNEL,
1149         BEACON_REQ_DURATION,
1150         BEACON_REQ_BSSID,
1151         BEACON_REQ_SSID,
1152         __BEACON_REQ_MAX,
1153 };
1154
1155 static const struct blobmsg_policy beacon_req_policy[__BEACON_REQ_MAX] = {
1156         [BEACON_REQ_ADDR] = { "addr", BLOBMSG_TYPE_STRING },
1157         [BEACON_REQ_OP_CLASS] { "op_class", BLOBMSG_TYPE_INT32 },
1158         [BEACON_REQ_CHANNEL] { "channel", BLOBMSG_TYPE_INT32 },
1159         [BEACON_REQ_DURATION] { "duration", BLOBMSG_TYPE_INT32 },
1160         [BEACON_REQ_MODE] { "mode", BLOBMSG_TYPE_INT32 },
1161         [BEACON_REQ_BSSID] { "bssid", BLOBMSG_TYPE_STRING },
1162         [BEACON_REQ_SSID] { "ssid", BLOBMSG_TYPE_STRING },
1163 };
1164
1165 static int
1166 hostapd_rrm_beacon_req(struct ubus_context *ctx, struct ubus_object *obj,
1167                        struct ubus_request_data *ureq, const char *method,
1168                        struct blob_attr *msg)
1169 {
1170         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
1171         struct blob_attr *tb[__BEACON_REQ_MAX];
1172         struct blob_attr *cur;
1173         struct wpabuf *req;
1174         u8 bssid[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1175         u8 addr[ETH_ALEN];
1176         int mode, rem, ret;
1177         int buf_len = 13;
1178
1179         blobmsg_parse(beacon_req_policy, __BEACON_REQ_MAX, tb, blob_data(msg), blob_len(msg));
1180
1181         if (!tb[BEACON_REQ_ADDR] || !tb[BEACON_REQ_MODE] || !tb[BEACON_REQ_DURATION] ||
1182             !tb[BEACON_REQ_OP_CLASS] || !tb[BEACON_REQ_CHANNEL])
1183                 return UBUS_STATUS_INVALID_ARGUMENT;
1184
1185         if (tb[BEACON_REQ_SSID])
1186                 buf_len += blobmsg_data_len(tb[BEACON_REQ_SSID]) + 2 - 1;
1187
1188         mode = blobmsg_get_u32(tb[BEACON_REQ_MODE]);
1189         if (hwaddr_aton(blobmsg_data(tb[BEACON_REQ_ADDR]), addr))
1190                 return UBUS_STATUS_INVALID_ARGUMENT;
1191
1192         if (tb[BEACON_REQ_BSSID] &&
1193             hwaddr_aton(blobmsg_data(tb[BEACON_REQ_BSSID]), bssid))
1194                 return UBUS_STATUS_INVALID_ARGUMENT;
1195
1196         req = wpabuf_alloc(buf_len);
1197         if (!req)
1198                 return UBUS_STATUS_UNKNOWN_ERROR;
1199
1200         /* 1: regulatory class */
1201         wpabuf_put_u8(req, blobmsg_get_u32(tb[BEACON_REQ_OP_CLASS]));
1202
1203         /* 2: channel number */
1204         wpabuf_put_u8(req, blobmsg_get_u32(tb[BEACON_REQ_CHANNEL]));
1205
1206         /* 3-4: randomization interval */
1207         wpabuf_put_le16(req, 0);
1208
1209         /* 5-6: duration */
1210         wpabuf_put_le16(req, blobmsg_get_u32(tb[BEACON_REQ_DURATION]));
1211
1212         /* 7: mode */
1213         wpabuf_put_u8(req, blobmsg_get_u32(tb[BEACON_REQ_MODE]));
1214
1215         /* 8-13: BSSID */
1216         wpabuf_put_data(req, bssid, ETH_ALEN);
1217
1218         if ((cur = tb[BEACON_REQ_SSID]) != NULL) {
1219                 wpabuf_put_u8(req, WLAN_EID_SSID);
1220                 wpabuf_put_u8(req, blobmsg_data_len(cur) - 1);
1221                 wpabuf_put_data(req, blobmsg_data(cur), blobmsg_data_len(cur) - 1);
1222         }
1223
1224         ret = hostapd_send_beacon_req(hapd, addr, 0, req);
1225         if (ret < 0)
1226                 return -ret;
1227
1228         return 0;
1229 }
1230
1231
1232 #ifdef CONFIG_WNM_AP
1233 enum {
1234         WNM_DISASSOC_ADDR,
1235         WNM_DISASSOC_DURATION,
1236         WNM_DISASSOC_NEIGHBORS,
1237         WNM_DISASSOC_ABRIDGED,
1238         __WNM_DISASSOC_MAX,
1239 };
1240
1241 static const struct blobmsg_policy wnm_disassoc_policy[__WNM_DISASSOC_MAX] = {
1242         [WNM_DISASSOC_ADDR] = { "addr", BLOBMSG_TYPE_STRING },
1243         [WNM_DISASSOC_DURATION] { "duration", BLOBMSG_TYPE_INT32 },
1244         [WNM_DISASSOC_NEIGHBORS] { "neighbors", BLOBMSG_TYPE_ARRAY },
1245         [WNM_DISASSOC_ABRIDGED] { "abridged", BLOBMSG_TYPE_BOOL },
1246 };
1247
1248 static int
1249 hostapd_wnm_disassoc_imminent(struct ubus_context *ctx, struct ubus_object *obj,
1250                               struct ubus_request_data *ureq, const char *method,
1251                               struct blob_attr *msg)
1252 {
1253         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
1254         struct blob_attr *tb[__WNM_DISASSOC_MAX];
1255         struct blob_attr *cur;
1256         struct sta_info *sta;
1257         int duration = 10;
1258         int rem;
1259         int nr_len = 0;
1260         u8 *nr = NULL;
1261         u8 req_mode = WNM_BSS_TM_REQ_DISASSOC_IMMINENT;
1262         u8 addr[ETH_ALEN];
1263
1264         blobmsg_parse(wnm_disassoc_policy, __WNM_DISASSOC_MAX, tb, blob_data(msg), blob_len(msg));
1265
1266         if (!tb[WNM_DISASSOC_ADDR])
1267                 return UBUS_STATUS_INVALID_ARGUMENT;
1268
1269         if (hwaddr_aton(blobmsg_data(tb[WNM_DISASSOC_ADDR]), addr))
1270                 return UBUS_STATUS_INVALID_ARGUMENT;
1271
1272         if ((cur = tb[WNM_DISASSOC_DURATION]) != NULL)
1273                 duration = blobmsg_get_u32(cur);
1274
1275         sta = ap_get_sta(hapd, addr);
1276         if (!sta)
1277                 return UBUS_STATUS_NOT_FOUND;
1278
1279         if (tb[WNM_DISASSOC_NEIGHBORS]) {
1280                 u8 *nr_cur;
1281
1282                 if (blobmsg_check_array(tb[WNM_DISASSOC_NEIGHBORS],
1283                                         BLOBMSG_TYPE_STRING) < 0)
1284                         return UBUS_STATUS_INVALID_ARGUMENT;
1285
1286                 blobmsg_for_each_attr(cur, tb[WNM_DISASSOC_NEIGHBORS], rem) {
1287                         int len = strlen(blobmsg_get_string(cur));
1288
1289                         if (len % 2)
1290                                 return UBUS_STATUS_INVALID_ARGUMENT;
1291
1292                         nr_len += (len / 2) + 2;
1293                 }
1294
1295                 if (nr_len) {
1296                         nr = os_zalloc(nr_len);
1297                         if (!nr)
1298                                 return UBUS_STATUS_UNKNOWN_ERROR;
1299                 }
1300
1301                 nr_cur = nr;
1302                 blobmsg_for_each_attr(cur, tb[WNM_DISASSOC_NEIGHBORS], rem) {
1303                         int len = strlen(blobmsg_get_string(cur)) / 2;
1304
1305                         *nr_cur++ = WLAN_EID_NEIGHBOR_REPORT;
1306                         *nr_cur++ = (u8) len;
1307                         if (hexstr2bin(blobmsg_data(cur), nr_cur, len)) {
1308                                 free(nr);
1309                                 return UBUS_STATUS_INVALID_ARGUMENT;
1310                         }
1311
1312                         nr_cur += len;
1313                 }
1314         }
1315
1316         if (nr)
1317                 req_mode |= WNM_BSS_TM_REQ_PREF_CAND_LIST_INCLUDED;
1318
1319         if (tb[WNM_DISASSOC_ABRIDGED] && blobmsg_get_bool(tb[WNM_DISASSOC_ABRIDGED]))
1320                 req_mode |= WNM_BSS_TM_REQ_ABRIDGED;
1321
1322         if (wnm_send_bss_tm_req(hapd, sta, req_mode, duration, duration, NULL,
1323                                 NULL, nr, nr_len, NULL, 0))
1324                 return UBUS_STATUS_UNKNOWN_ERROR;
1325
1326         return 0;
1327 }
1328 #endif
1329
1330 #ifdef CONFIG_AIRTIME_POLICY
1331 enum {
1332         UPDATE_AIRTIME_STA,
1333         UPDATE_AIRTIME_WEIGHT,
1334         __UPDATE_AIRTIME_MAX,
1335 };
1336
1337
1338 static const struct blobmsg_policy airtime_policy[__UPDATE_AIRTIME_MAX] = {
1339         [UPDATE_AIRTIME_STA] = { "sta", BLOBMSG_TYPE_STRING },
1340         [UPDATE_AIRTIME_WEIGHT] = { "weight", BLOBMSG_TYPE_INT32 },
1341 };
1342
1343 static int
1344 hostapd_bss_update_airtime(struct ubus_context *ctx, struct ubus_object *obj,
1345                            struct ubus_request_data *ureq, const char *method,
1346                            struct blob_attr *msg)
1347 {
1348         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
1349         struct blob_attr *tb[__UPDATE_AIRTIME_MAX];
1350         struct sta_info *sta = NULL;
1351         u8 addr[ETH_ALEN];
1352         int weight;
1353
1354         blobmsg_parse(airtime_policy, __UPDATE_AIRTIME_MAX, tb, blob_data(msg), blob_len(msg));
1355
1356         if (!tb[UPDATE_AIRTIME_WEIGHT])
1357                 return UBUS_STATUS_INVALID_ARGUMENT;
1358
1359         weight = blobmsg_get_u32(tb[UPDATE_AIRTIME_WEIGHT]);
1360
1361         if (!tb[UPDATE_AIRTIME_STA]) {
1362                 if (!weight)
1363                         return UBUS_STATUS_INVALID_ARGUMENT;
1364
1365                 hapd->conf->airtime_weight = weight;
1366                 return 0;
1367         }
1368
1369         if (hwaddr_aton(blobmsg_data(tb[UPDATE_AIRTIME_STA]), addr))
1370                 return UBUS_STATUS_INVALID_ARGUMENT;
1371
1372         sta = ap_get_sta(hapd, addr);
1373         if (!sta)
1374                 return UBUS_STATUS_NOT_FOUND;
1375
1376         sta->dyn_airtime_weight = weight;
1377         airtime_policy_new_sta(hapd, sta);
1378
1379         return 0;
1380 }
1381 #endif
1382
1383
1384 static const struct ubus_method bss_methods[] = {
1385         UBUS_METHOD_NOARG("reload", hostapd_bss_reload),
1386         UBUS_METHOD_NOARG("get_clients", hostapd_bss_get_clients),
1387         UBUS_METHOD_NOARG("get_status", hostapd_bss_get_status),
1388         UBUS_METHOD("del_client", hostapd_bss_del_client, del_policy),
1389 #ifdef CONFIG_AIRTIME_POLICY
1390         UBUS_METHOD("update_airtime", hostapd_bss_update_airtime, airtime_policy),
1391 #endif
1392         UBUS_METHOD_NOARG("list_bans", hostapd_bss_list_bans),
1393 #ifdef CONFIG_WPS
1394         UBUS_METHOD_NOARG("wps_start", hostapd_bss_wps_start),
1395         UBUS_METHOD_NOARG("wps_status", hostapd_bss_wps_status),
1396         UBUS_METHOD_NOARG("wps_cancel", hostapd_bss_wps_cancel),
1397 #endif
1398         UBUS_METHOD_NOARG("update_beacon", hostapd_bss_update_beacon),
1399         UBUS_METHOD_NOARG("get_features", hostapd_bss_get_features),
1400 #ifdef NEED_AP_MLME
1401         UBUS_METHOD("switch_chan", hostapd_switch_chan, csa_policy),
1402 #endif
1403         UBUS_METHOD("set_vendor_elements", hostapd_vendor_elements, ve_policy),
1404         UBUS_METHOD("notify_response", hostapd_notify_response, notify_policy),
1405         UBUS_METHOD("bss_mgmt_enable", hostapd_bss_mgmt_enable, bss_mgmt_enable_policy),
1406         UBUS_METHOD_NOARG("rrm_nr_get_own", hostapd_rrm_nr_get_own),
1407         UBUS_METHOD_NOARG("rrm_nr_list", hostapd_rrm_nr_list),
1408         UBUS_METHOD("rrm_nr_set", hostapd_rrm_nr_set, nr_set_policy),
1409         UBUS_METHOD("rrm_beacon_req", hostapd_rrm_beacon_req, beacon_req_policy),
1410 #ifdef CONFIG_WNM_AP
1411         UBUS_METHOD("wnm_disassoc_imminent", hostapd_wnm_disassoc_imminent, wnm_disassoc_policy),
1412 #endif
1413 };
1414
1415 static struct ubus_object_type bss_object_type =
1416         UBUS_OBJECT_TYPE("hostapd_bss", bss_methods);
1417
1418 static int avl_compare_macaddr(const void *k1, const void *k2, void *ptr)
1419 {
1420         return memcmp(k1, k2, ETH_ALEN);
1421 }
1422
1423 void hostapd_ubus_add_bss(struct hostapd_data *hapd)
1424 {
1425         struct ubus_object *obj = &hapd->ubus.obj;
1426         char *name;
1427         int ret;
1428
1429 #ifdef CONFIG_MESH
1430         if (hapd->conf->mesh & MESH_ENABLED)
1431                 return;
1432 #endif
1433
1434         if (!hostapd_ubus_init())
1435                 return;
1436
1437         if (asprintf(&name, "hostapd.%s", hapd->conf->iface) < 0)
1438                 return;
1439
1440         avl_init(&hapd->ubus.banned, avl_compare_macaddr, false, NULL);
1441         obj->name = name;
1442         obj->type = &bss_object_type;
1443         obj->methods = bss_object_type.methods;
1444         obj->n_methods = bss_object_type.n_methods;
1445         ret = ubus_add_object(ctx, obj);
1446         hostapd_ubus_ref_inc();
1447
1448         hostapd_send_shared_event(&hapd->iface->interfaces->ubus, hapd->conf->iface, "add");
1449 }
1450
1451 void hostapd_ubus_free_bss(struct hostapd_data *hapd)
1452 {
1453         struct ubus_object *obj = &hapd->ubus.obj;
1454         char *name = (char *) obj->name;
1455
1456         if (!ctx)
1457                 return;
1458
1459         hostapd_send_shared_event(&hapd->iface->interfaces->ubus, hapd->conf->iface, "remove");
1460
1461         if (obj->id) {
1462                 ubus_remove_object(ctx, obj);
1463                 hostapd_ubus_ref_dec();
1464         }
1465
1466         free(name);
1467 }
1468
1469 static void
1470 hostapd_ubus_vlan_action(struct hostapd_data *hapd, struct hostapd_vlan *vlan,
1471                          const char *action)
1472 {
1473         struct vlan_description *desc = &vlan->vlan_desc;
1474         void *c;
1475         int i;
1476
1477         if (!hapd->ubus.obj.has_subscribers)
1478                 return;
1479
1480         blob_buf_init(&b, 0);
1481         blobmsg_add_string(&b, "ifname", vlan->ifname);
1482         blobmsg_add_string(&b, "bridge", vlan->bridge);
1483         blobmsg_add_u32(&b, "vlan_id", vlan->vlan_id);
1484
1485         if (desc->notempty) {
1486                 blobmsg_add_u32(&b, "untagged", desc->untagged);
1487                 c = blobmsg_open_array(&b, "tagged");
1488                 for (i = 0; i < ARRAY_SIZE(desc->tagged) && desc->tagged[i]; i++)
1489                         blobmsg_add_u32(&b, "", desc->tagged[i]);
1490                 blobmsg_close_array(&b, c);
1491         }
1492
1493         ubus_notify(ctx, &hapd->ubus.obj, action, b.head, -1);
1494 }
1495
1496 void hostapd_ubus_add_vlan(struct hostapd_data *hapd, struct hostapd_vlan *vlan)
1497 {
1498         hostapd_ubus_vlan_action(hapd, vlan, "vlan_add");
1499 }
1500
1501 void hostapd_ubus_remove_vlan(struct hostapd_data *hapd, struct hostapd_vlan *vlan)
1502 {
1503         hostapd_ubus_vlan_action(hapd, vlan, "vlan_remove");
1504 }
1505
1506 static const struct ubus_method daemon_methods[] = {
1507         UBUS_METHOD("config_add", hostapd_config_add, config_add_policy),
1508         UBUS_METHOD("config_remove", hostapd_config_remove, config_remove_policy),
1509 };
1510
1511 static struct ubus_object_type daemon_object_type =
1512         UBUS_OBJECT_TYPE("hostapd", daemon_methods);
1513
1514 void hostapd_ubus_add(struct hapd_interfaces *interfaces)
1515 {
1516         struct ubus_object *obj = &interfaces->ubus;
1517         int ret;
1518
1519         if (!hostapd_ubus_init())
1520                 return;
1521
1522         obj->name = strdup("hostapd");
1523
1524         obj->type = &daemon_object_type;
1525         obj->methods = daemon_object_type.methods;
1526         obj->n_methods = daemon_object_type.n_methods;
1527         ret = ubus_add_object(ctx, obj);
1528         hostapd_ubus_ref_inc();
1529 }
1530
1531 void hostapd_ubus_free(struct hapd_interfaces *interfaces)
1532 {
1533         struct ubus_object *obj = &interfaces->ubus;
1534         char *name = (char *) obj->name;
1535
1536         if (!ctx)
1537                 return;
1538
1539         if (obj->id) {
1540                 ubus_remove_object(ctx, obj);
1541                 hostapd_ubus_ref_dec();
1542         }
1543
1544         free(name);
1545 }
1546
1547 struct ubus_event_req {
1548         struct ubus_notify_request nreq;
1549         int resp;
1550 };
1551
1552 static void
1553 ubus_event_cb(struct ubus_notify_request *req, int idx, int ret)
1554 {
1555         struct ubus_event_req *ureq = container_of(req, struct ubus_event_req, nreq);
1556
1557         ureq->resp = ret;
1558 }
1559
1560 int hostapd_ubus_handle_event(struct hostapd_data *hapd, struct hostapd_ubus_request *req)
1561 {
1562         struct ubus_banned_client *ban;
1563         const char *types[HOSTAPD_UBUS_TYPE_MAX] = {
1564                 [HOSTAPD_UBUS_PROBE_REQ] = "probe",
1565                 [HOSTAPD_UBUS_AUTH_REQ] = "auth",
1566                 [HOSTAPD_UBUS_ASSOC_REQ] = "assoc",
1567         };
1568         const char *type = "mgmt";
1569         struct ubus_event_req ureq = {};
1570         const u8 *addr;
1571
1572         if (req->mgmt_frame)
1573                 addr = req->mgmt_frame->sa;
1574         else
1575                 addr = req->addr;
1576
1577         ban = avl_find_element(&hapd->ubus.banned, addr, ban, avl);
1578         if (ban)
1579                 return WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
1580
1581         if (!hapd->ubus.obj.has_subscribers)
1582                 return WLAN_STATUS_SUCCESS;
1583
1584         if (req->type < ARRAY_SIZE(types))
1585                 type = types[req->type];
1586
1587         blob_buf_init(&b, 0);
1588         blobmsg_add_macaddr(&b, "address", addr);
1589         if (req->mgmt_frame)
1590                 blobmsg_add_macaddr(&b, "target", req->mgmt_frame->da);
1591         if (req->ssi_signal)
1592                 blobmsg_add_u32(&b, "signal", req->ssi_signal);
1593         blobmsg_add_u32(&b, "freq", hapd->iface->freq);
1594
1595         if (req->elems) {
1596                 if(req->elems->ht_capabilities)
1597                 {
1598                         struct ieee80211_ht_capabilities *ht_capabilities;
1599                         void *ht_cap, *ht_cap_mcs_set, *mcs_set;
1600
1601
1602                         ht_capabilities = (struct ieee80211_ht_capabilities*) req->elems->ht_capabilities;
1603                         ht_cap = blobmsg_open_table(&b, "ht_capabilities");
1604                         blobmsg_add_u16(&b, "ht_capabilities_info", ht_capabilities->ht_capabilities_info);
1605                         ht_cap_mcs_set = blobmsg_open_table(&b, "supported_mcs_set");
1606                         blobmsg_add_u16(&b, "a_mpdu_params", ht_capabilities->a_mpdu_params);
1607                         blobmsg_add_u16(&b, "ht_extended_capabilities", ht_capabilities->ht_extended_capabilities);
1608                         blobmsg_add_u32(&b, "tx_bf_capability_info", ht_capabilities->tx_bf_capability_info);
1609                         blobmsg_add_u16(&b, "asel_capabilities", ht_capabilities->asel_capabilities);
1610                         mcs_set = blobmsg_open_array(&b, "supported_mcs_set");
1611                         for (int i = 0; i < 16; i++) {
1612                                 blobmsg_add_u16(&b, NULL, (u16) ht_capabilities->supported_mcs_set[i]);
1613                         }
1614                         blobmsg_close_array(&b, mcs_set);
1615                         blobmsg_close_table(&b, ht_cap_mcs_set);
1616                         blobmsg_close_table(&b, ht_cap);
1617                 }
1618                 if(req->elems->vht_capabilities)
1619                 {
1620                         struct ieee80211_vht_capabilities *vht_capabilities;
1621                         void *vht_cap, *vht_cap_mcs_set;
1622
1623                         vht_capabilities = (struct ieee80211_vht_capabilities*) req->elems->vht_capabilities;
1624                         vht_cap = blobmsg_open_table(&b, "vht_capabilities");
1625                         blobmsg_add_u32(&b, "vht_capabilities_info", vht_capabilities->vht_capabilities_info);
1626                         vht_cap_mcs_set = blobmsg_open_table(&b, "vht_supported_mcs_set");
1627                         blobmsg_add_u16(&b, "rx_map", vht_capabilities->vht_supported_mcs_set.rx_map);
1628                         blobmsg_add_u16(&b, "rx_highest", vht_capabilities->vht_supported_mcs_set.rx_highest);
1629                         blobmsg_add_u16(&b, "tx_map", vht_capabilities->vht_supported_mcs_set.tx_map);
1630                         blobmsg_add_u16(&b, "tx_highest", vht_capabilities->vht_supported_mcs_set.tx_highest);
1631                         blobmsg_close_table(&b, vht_cap_mcs_set);
1632                         blobmsg_close_table(&b, vht_cap);
1633                 }
1634         }
1635
1636         if (!hapd->ubus.notify_response) {
1637                 ubus_notify(ctx, &hapd->ubus.obj, type, b.head, -1);
1638                 return WLAN_STATUS_SUCCESS;
1639         }
1640
1641         if (ubus_notify_async(ctx, &hapd->ubus.obj, type, b.head, &ureq.nreq))
1642                 return WLAN_STATUS_SUCCESS;
1643
1644         ureq.nreq.status_cb = ubus_event_cb;
1645         ubus_complete_request(ctx, &ureq.nreq.req, 100);
1646
1647         if (ureq.resp)
1648                 return ureq.resp;
1649
1650         return WLAN_STATUS_SUCCESS;
1651 }
1652
1653 void hostapd_ubus_notify(struct hostapd_data *hapd, const char *type, const u8 *addr)
1654 {
1655         if (!hapd->ubus.obj.has_subscribers)
1656                 return;
1657
1658         if (!addr)
1659                 return;
1660
1661         blob_buf_init(&b, 0);
1662         blobmsg_add_macaddr(&b, "address", addr);
1663
1664         ubus_notify(ctx, &hapd->ubus.obj, type, b.head, -1);
1665 }
1666
1667 void hostapd_ubus_notify_beacon_report(
1668         struct hostapd_data *hapd, const u8 *addr, u8 token, u8 rep_mode,
1669         struct rrm_measurement_beacon_report *rep, size_t len)
1670 {
1671         if (!hapd->ubus.obj.has_subscribers)
1672                 return;
1673
1674         if (!addr || !rep)
1675                 return;
1676
1677         blob_buf_init(&b, 0);
1678         blobmsg_add_macaddr(&b, "address", addr);
1679         blobmsg_add_u16(&b, "op-class", rep->op_class);
1680         blobmsg_add_u16(&b, "channel", rep->channel);
1681         blobmsg_add_u64(&b, "start-time", rep->start_time);
1682         blobmsg_add_u16(&b, "duration", rep->duration);
1683         blobmsg_add_u16(&b, "report-info", rep->report_info);
1684         blobmsg_add_u16(&b, "rcpi", rep->rcpi);
1685         blobmsg_add_u16(&b, "rsni", rep->rsni);
1686         blobmsg_add_macaddr(&b, "bssid", rep->bssid);
1687         blobmsg_add_u16(&b, "antenna-id", rep->antenna_id);
1688         blobmsg_add_u16(&b, "parent-tsf", rep->parent_tsf);
1689
1690         ubus_notify(ctx, &hapd->ubus.obj, "beacon-report", b.head, -1);
1691 }
1692
1693 void hostapd_ubus_notify_radar_detected(struct hostapd_iface *iface, int frequency,
1694                                         int chan_width, int cf1, int cf2)
1695 {
1696         struct hostapd_data *hapd;
1697         int i;
1698
1699         if (!hapd->ubus.obj.has_subscribers)
1700                 return;
1701
1702         blob_buf_init(&b, 0);
1703         blobmsg_add_u16(&b, "frequency", frequency);
1704         blobmsg_add_u16(&b, "width", chan_width);
1705         blobmsg_add_u16(&b, "center1", cf1);
1706         blobmsg_add_u16(&b, "center2", cf2);
1707
1708         for (i = 0; i < iface->num_bss; i++) {
1709                 hapd = iface->bss[i];
1710                 ubus_notify(ctx, &hapd->ubus.obj, "radar-detected", b.head, -1);
1711         }
1712 }