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
 210 static void
 211 hostapd_parse_vht_map_blobmsg(uint16_t map)
 212 {
 213         char label[4];
 214         int16_t val;
 215         int i;
 216
 217         for (i = 0; i < 8; i++) {
 218                 snprintf(label, 4, "%dss", i + 1);
 219
 220                 val = (map & (BIT(1) | BIT(0))) + 7;
 221                 blobmsg_add_u16(&b, label, val == 10 ? -1 : val);
 222                 map = map >> 2;
 223         }
 224 }
 225
 226 static void
 227 hostapd_parse_vht_capab_blobmsg(struct ieee80211_vht_capabilities *vhtc)
 228 {
 229         void *supported_mcs;
 230         void *map;
 231         int i;
 232
 233         static const struct {
 234                 const char *name;
 235                 uint32_t flag;
 236         } vht_capas[] = {
 237                 { "su_beamformee", VHT_CAP_SU_BEAMFORMEE_CAPABLE },
 238                 { "mu_beamformee", VHT_CAP_MU_BEAMFORMEE_CAPABLE },
 239         };
 240
 241         for (i = 0; i < ARRAY_SIZE(vht_capas); i++)
 242                 blobmsg_add_u8(&b, vht_capas[i].name,
 243                                 !!(vhtc->vht_capabilities_info & vht_capas[i].flag));
 244
 245         supported_mcs = blobmsg_open_table(&b, "mcs_map");
 246
 247         /* RX map */
 248         map = blobmsg_open_table(&b, "rx");
 249         hostapd_parse_vht_map_blobmsg(le_to_host16(vhtc->vht_supported_mcs_set.rx_map));
 250         blobmsg_close_table(&b, map);
 251
 252         /* TX map */
 253         map = blobmsg_open_table(&b, "tx");
 254         hostapd_parse_vht_map_blobmsg(le_to_host16(vhtc->vht_supported_mcs_set.tx_map));
 255         blobmsg_close_table(&b, map);
 256
 257         blobmsg_close_table(&b, supported_mcs);
 258 }
 259
 260 static void
 261 hostapd_parse_capab_blobmsg(struct sta_info *sta)
 262 {
 263         void *r, *v;
 264
 265         v = blobmsg_open_table(&b, "capabilities");
 266
 267         if (sta->vht_capabilities) {
 268                 r = blobmsg_open_table(&b, "vht");
 269                 hostapd_parse_vht_capab_blobmsg(sta->vht_capabilities);
 270                 blobmsg_close_table(&b, r);
 271         }
 272
 273         /* ToDo: Add HT / HE capability parsing */
 274
 275         blobmsg_close_table(&b, v);
 276 }
 277
 278 static int
 279 hostapd_bss_get_clients(struct ubus_context *ctx, struct ubus_object *obj,
 280                         struct ubus_request_data *req, const char *method,
 281                         struct blob_attr *msg)
 282 {
 283         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 284         struct hostap_sta_driver_data sta_driver_data;
 285         struct sta_info *sta;
 286         void *list, *c;
 287         char mac_buf[20];
 288         static const struct {
 289                 const char *name;
 290                 uint32_t flag;
 291         } sta_flags[] = {
 292                 { "auth", WLAN_STA_AUTH },
 293                 { "assoc", WLAN_STA_ASSOC },
 294                 { "authorized", WLAN_STA_AUTHORIZED },
 295                 { "preauth", WLAN_STA_PREAUTH },
 296                 { "wds", WLAN_STA_WDS },
 297                 { "wmm", WLAN_STA_WMM },
 298                 { "ht", WLAN_STA_HT },
 299                 { "vht", WLAN_STA_VHT },
 300                 { "wps", WLAN_STA_WPS },
 301                 { "mfp", WLAN_STA_MFP },
 302         };
 303
 304         blob_buf_init(&b, 0);
 305         blobmsg_add_u32(&b, "freq", hapd->iface->freq);
 306         list = blobmsg_open_table(&b, "clients");
 307         for (sta = hapd->sta_list; sta; sta = sta->next) {
 308                 void *r;
 309                 int i;
 310
 311                 sprintf(mac_buf, MACSTR, MAC2STR(sta->addr));
 312                 c = blobmsg_open_table(&b, mac_buf);
 313                 for (i = 0; i < ARRAY_SIZE(sta_flags); i++)
 314                         blobmsg_add_u8(&b, sta_flags[i].name,
 315                                        !!(sta->flags & sta_flags[i].flag));
 316
 317                 r = blobmsg_open_array(&b, "rrm");
 318                 for (i = 0; i < ARRAY_SIZE(sta->rrm_enabled_capa); i++)
 319                         blobmsg_add_u32(&b, "", sta->rrm_enabled_capa[i]);
 320                 blobmsg_close_array(&b, r);
 321                 blobmsg_add_u32(&b, "aid", sta->aid);
 322 #ifdef CONFIG_TAXONOMY
 323                 r = blobmsg_alloc_string_buffer(&b, "signature", 1024);
 324                 if (retrieve_sta_taxonomy(hapd, sta, r, 1024) > 0)
 325                         blobmsg_add_string_buffer(&b);
 326 #endif
 327
 328                 /* Driver information */
 329                 if (hostapd_drv_read_sta_data(hapd, &sta_driver_data, sta->addr) >= 0) {
 330                         r = blobmsg_open_table(&b, "bytes");
 331                         blobmsg_add_u64(&b, "rx", sta_driver_data.rx_bytes);
 332                         blobmsg_add_u64(&b, "tx", sta_driver_data.tx_bytes);
 333                         blobmsg_close_table(&b, r);
 334                         r = blobmsg_open_table(&b, "airtime");
 335                         blobmsg_add_u64(&b, "rx", sta_driver_data.rx_airtime);
 336                         blobmsg_add_u64(&b, "tx", sta_driver_data.tx_airtime);
 337                         blobmsg_close_table(&b, r);
 338                         r = blobmsg_open_table(&b, "packets");
 339                         blobmsg_add_u32(&b, "rx", sta_driver_data.rx_packets);
 340                         blobmsg_add_u32(&b, "tx", sta_driver_data.tx_packets);
 341                         blobmsg_close_table(&b, r);
 342                         r = blobmsg_open_table(&b, "rate");
 343                         /* Rate in kbits */
 344                         blobmsg_add_u32(&b, "rx", sta_driver_data.current_rx_rate * 100);
 345                         blobmsg_add_u32(&b, "tx", sta_driver_data.current_tx_rate * 100);
 346                         blobmsg_close_table(&b, r);
 347                         blobmsg_add_u32(&b, "signal", sta_driver_data.signal);
 348                 }
 349
 350                 hostapd_parse_capab_blobmsg(sta);
 351
 352                 blobmsg_close_table(&b, c);
 353         }
 354         blobmsg_close_array(&b, list);
 355         ubus_send_reply(ctx, req, b.head);
 356
 357         return 0;
 358 }
 359
 360 static int
 361 hostapd_bss_get_features(struct ubus_context *ctx, struct ubus_object *obj,
 362                         struct ubus_request_data *req, const char *method,
 363                         struct blob_attr *msg)
 364 {
 365         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 366
 367         blob_buf_init(&b, 0);
 368         blobmsg_add_u8(&b, "ht_supported", ht_supported(hapd->iface->hw_features));
 369         blobmsg_add_u8(&b, "vht_supported", vht_supported(hapd->iface->hw_features));
 370         ubus_send_reply(ctx, req, b.head);
 371
 372         return 0;
 373 }
 374
 375 enum {
 376         NOTIFY_RESPONSE,
 377         __NOTIFY_MAX
 378 };
 379
 380 static const struct blobmsg_policy notify_policy[__NOTIFY_MAX] = {
 381         [NOTIFY_RESPONSE] = { "notify_response", BLOBMSG_TYPE_INT32 },
 382 };
 383
 384 static int
 385 hostapd_notify_response(struct ubus_context *ctx, struct ubus_object *obj,
 386                         struct ubus_request_data *req, const char *method,
 387                         struct blob_attr *msg)
 388 {
 389         struct blob_attr *tb[__NOTIFY_MAX];
 390         struct hostapd_data *hapd = get_hapd_from_object(obj);
 391         struct wpabuf *elems;
 392         const char *pos;
 393         size_t len;
 394
 395         blobmsg_parse(notify_policy, __NOTIFY_MAX, tb,
 396                       blob_data(msg), blob_len(msg));
 397
 398         if (!tb[NOTIFY_RESPONSE])
 399                 return UBUS_STATUS_INVALID_ARGUMENT;
 400
 401         hapd->ubus.notify_response = blobmsg_get_u32(tb[NOTIFY_RESPONSE]);
 402
 403         return UBUS_STATUS_OK;
 404 }
 405
 406 enum {
 407         DEL_CLIENT_ADDR,
 408         DEL_CLIENT_REASON,
 409         DEL_CLIENT_DEAUTH,
 410         DEL_CLIENT_BAN_TIME,
 411         __DEL_CLIENT_MAX
 412 };
 413
 414 static const struct blobmsg_policy del_policy[__DEL_CLIENT_MAX] = {
 415         [DEL_CLIENT_ADDR] = { "addr", BLOBMSG_TYPE_STRING },
 416         [DEL_CLIENT_REASON] = { "reason", BLOBMSG_TYPE_INT32 },
 417         [DEL_CLIENT_DEAUTH] = { "deauth", BLOBMSG_TYPE_INT8 },
 418         [DEL_CLIENT_BAN_TIME] = { "ban_time", BLOBMSG_TYPE_INT32 },
 419 };
 420
 421 static int
 422 hostapd_bss_del_client(struct ubus_context *ctx, struct ubus_object *obj,
 423                         struct ubus_request_data *req, const char *method,
 424                         struct blob_attr *msg)
 425 {
 426         struct blob_attr *tb[__DEL_CLIENT_MAX];
 427         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 428         struct sta_info *sta;
 429         bool deauth = false;
 430         int reason;
 431         u8 addr[ETH_ALEN];
 432
 433         blobmsg_parse(del_policy, __DEL_CLIENT_MAX, tb, blob_data(msg), blob_len(msg));
 434
 435         if (!tb[DEL_CLIENT_ADDR])
 436                 return UBUS_STATUS_INVALID_ARGUMENT;
 437
 438         if (hwaddr_aton(blobmsg_data(tb[DEL_CLIENT_ADDR]), addr))
 439                 return UBUS_STATUS_INVALID_ARGUMENT;
 440
 441         if (tb[DEL_CLIENT_REASON])
 442                 reason = blobmsg_get_u32(tb[DEL_CLIENT_REASON]);
 443
 444         if (tb[DEL_CLIENT_DEAUTH])
 445                 deauth = blobmsg_get_bool(tb[DEL_CLIENT_DEAUTH]);
 446
 447         sta = ap_get_sta(hapd, addr);
 448         if (sta) {
 449                 if (deauth) {
 450                         hostapd_drv_sta_deauth(hapd, addr, reason);
 451                         ap_sta_deauthenticate(hapd, sta, reason);
 452                 } else {
 453                         hostapd_drv_sta_disassoc(hapd, addr, reason);
 454                         ap_sta_disassociate(hapd, sta, reason);
 455                 }
 456         }
 457
 458         if (tb[DEL_CLIENT_BAN_TIME])
 459                 hostapd_bss_ban_client(hapd, addr, blobmsg_get_u32(tb[DEL_CLIENT_BAN_TIME]));
 460
 461         return 0;
 462 }
 463
 464 static void
 465 blobmsg_add_macaddr(struct blob_buf *buf, const char *name, const u8 *addr)
 466 {
 467         char *s;
 468
 469         s = blobmsg_alloc_string_buffer(buf, name, 20);
 470         sprintf(s, MACSTR, MAC2STR(addr));
 471         blobmsg_add_string_buffer(buf);
 472 }
 473
 474 static int
 475 hostapd_bss_list_bans(struct ubus_context *ctx, struct ubus_object *obj,
 476                       struct ubus_request_data *req, const char *method,
 477                       struct blob_attr *msg)
 478 {
 479         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 480         struct ubus_banned_client *ban;
 481         void *c;
 482
 483         blob_buf_init(&b, 0);
 484         c = blobmsg_open_array(&b, "clients");
 485         avl_for_each_element(&hapd->ubus.banned, ban, avl)
 486                 blobmsg_add_macaddr(&b, NULL, ban->addr);
 487         blobmsg_close_array(&b, c);
 488         ubus_send_reply(ctx, req, b.head);
 489
 490         return 0;
 491 }
 492
 493 #ifdef CONFIG_WPS
 494 static int
 495 hostapd_bss_wps_start(struct ubus_context *ctx, struct ubus_object *obj,
 496                         struct ubus_request_data *req, const char *method,
 497                         struct blob_attr *msg)
 498 {
 499         int rc;
 500         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 501
 502         rc = hostapd_wps_button_pushed(hapd, NULL);
 503
 504         if (rc != 0)
 505                 return UBUS_STATUS_NOT_SUPPORTED;
 506
 507         return 0;
 508 }
 509
 510
 511 static const char * pbc_status_enum_str(enum pbc_status status)
 512 {
 513         switch (status) {
 514         case WPS_PBC_STATUS_DISABLE:
 515                 return "Disabled";
 516         case WPS_PBC_STATUS_ACTIVE:
 517                 return "Active";
 518         case WPS_PBC_STATUS_TIMEOUT:
 519                 return "Timed-out";
 520         case WPS_PBC_STATUS_OVERLAP:
 521                 return "Overlap";
 522         default:
 523                 return "Unknown";
 524         }
 525 }
 526
 527 static int
 528 hostapd_bss_wps_status(struct ubus_context *ctx, struct ubus_object *obj,
 529                         struct ubus_request_data *req, const char *method,
 530                         struct blob_attr *msg)
 531 {
 532         int rc;
 533         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 534
 535         blob_buf_init(&b, 0);
 536
 537         blobmsg_add_string(&b, "pbc_status", pbc_status_enum_str(hapd->wps_stats.pbc_status));
 538         blobmsg_add_string(&b, "last_wps_result",
 539                            (hapd->wps_stats.status == WPS_STATUS_SUCCESS ?
 540                             "Success":
 541                             (hapd->wps_stats.status == WPS_STATUS_FAILURE ?
 542                              "Failed" : "None")));
 543
 544         /* If status == Failure - Add possible Reasons */
 545         if(hapd->wps_stats.status == WPS_STATUS_FAILURE &&
 546            hapd->wps_stats.failure_reason > 0)
 547                 blobmsg_add_string(&b, "reason", wps_ei_str(hapd->wps_stats.failure_reason));
 548
 549         if (hapd->wps_stats.status)
 550                 blobmsg_printf(&b, "peer_address", MACSTR, MAC2STR(hapd->wps_stats.peer_addr));
 551
 552         ubus_send_reply(ctx, req, b.head);
 553
 554         return 0;
 555 }
 556
 557 static int
 558 hostapd_bss_wps_cancel(struct ubus_context *ctx, struct ubus_object *obj,
 559                         struct ubus_request_data *req, const char *method,
 560                         struct blob_attr *msg)
 561 {
 562         int rc;
 563         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 564
 565         rc = hostapd_wps_cancel(hapd);
 566
 567         if (rc != 0)
 568                 return UBUS_STATUS_NOT_SUPPORTED;
 569
 570         return 0;
 571 }
 572 #endif /* CONFIG_WPS */
 573
 574 static int
 575 hostapd_bss_update_beacon(struct ubus_context *ctx, struct ubus_object *obj,
 576                         struct ubus_request_data *req, const char *method,
 577                         struct blob_attr *msg)
 578 {
 579         int rc;
 580         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 581
 582         rc = ieee802_11_set_beacon(hapd);
 583
 584         if (rc != 0)
 585                 return UBUS_STATUS_NOT_SUPPORTED;
 586
 587         return 0;
 588 }
 589
 590 enum {
 591         CONFIG_IFACE,
 592         CONFIG_FILE,
 593         __CONFIG_MAX
 594 };
 595
 596 static const struct blobmsg_policy config_add_policy[__CONFIG_MAX] = {
 597         [CONFIG_IFACE] = { "iface", BLOBMSG_TYPE_STRING },
 598         [CONFIG_FILE] = { "config", BLOBMSG_TYPE_STRING },
 599 };
 600
 601 static int
 602 hostapd_config_add(struct ubus_context *ctx, struct ubus_object *obj,
 603                    struct ubus_request_data *req, const char *method,
 604                    struct blob_attr *msg)
 605 {
 606         struct blob_attr *tb[__CONFIG_MAX];
 607         struct hapd_interfaces *interfaces = get_hapd_interfaces_from_object(obj);
 608         char buf[128];
 609
 610         blobmsg_parse(config_add_policy, __CONFIG_MAX, tb, blob_data(msg), blob_len(msg));
 611
 612         if (!tb[CONFIG_FILE] || !tb[CONFIG_IFACE])
 613                 return UBUS_STATUS_INVALID_ARGUMENT;
 614
 615         snprintf(buf, sizeof(buf), "bss_config=%s:%s",
 616                 blobmsg_get_string(tb[CONFIG_IFACE]),
 617                 blobmsg_get_string(tb[CONFIG_FILE]));
 618
 619         if (hostapd_add_iface(interfaces, buf))
 620                 return UBUS_STATUS_INVALID_ARGUMENT;
 621
 622         return UBUS_STATUS_OK;
 623 }
 624
 625 enum {
 626         CONFIG_REM_IFACE,
 627         __CONFIG_REM_MAX
 628 };
 629
 630 static const struct blobmsg_policy config_remove_policy[__CONFIG_REM_MAX] = {
 631         [CONFIG_REM_IFACE] = { "iface", BLOBMSG_TYPE_STRING },
 632 };
 633
 634 static int
 635 hostapd_config_remove(struct ubus_context *ctx, struct ubus_object *obj,
 636                       struct ubus_request_data *req, const char *method,
 637                       struct blob_attr *msg)
 638 {
 639         struct blob_attr *tb[__CONFIG_REM_MAX];
 640         struct hapd_interfaces *interfaces = get_hapd_interfaces_from_object(obj);
 641         char buf[128];
 642
 643         blobmsg_parse(config_remove_policy, __CONFIG_REM_MAX, tb, blob_data(msg), blob_len(msg));
 644
 645         if (!tb[CONFIG_REM_IFACE])
 646                 return UBUS_STATUS_INVALID_ARGUMENT;
 647
 648         if (hostapd_remove_iface(interfaces, blobmsg_get_string(tb[CONFIG_REM_IFACE])))
 649                 return UBUS_STATUS_INVALID_ARGUMENT;
 650
 651         return UBUS_STATUS_OK;
 652 }
 653
 654 enum {
 655         CSA_FREQ,
 656         CSA_BCN_COUNT,
 657         CSA_CENTER_FREQ1,
 658         CSA_CENTER_FREQ2,
 659         CSA_BANDWIDTH,
 660         CSA_SEC_CHANNEL_OFFSET,
 661         CSA_HT,
 662         CSA_VHT,
 663         CSA_BLOCK_TX,
 664         __CSA_MAX
 665 };
 666
 667 static const struct blobmsg_policy csa_policy[__CSA_MAX] = {
 668         [CSA_FREQ] = { "freq", BLOBMSG_TYPE_INT32 },
 669         [CSA_BCN_COUNT] = { "bcn_count", BLOBMSG_TYPE_INT32 },
 670         [CSA_CENTER_FREQ1] = { "center_freq1", BLOBMSG_TYPE_INT32 },
 671         [CSA_CENTER_FREQ2] = { "center_freq2", BLOBMSG_TYPE_INT32 },
 672         [CSA_BANDWIDTH] = { "bandwidth", BLOBMSG_TYPE_INT32 },
 673         [CSA_SEC_CHANNEL_OFFSET] = { "sec_channel_offset", BLOBMSG_TYPE_INT32 },
 674         [CSA_HT] = { "ht", BLOBMSG_TYPE_BOOL },
 675         [CSA_VHT] = { "vht", BLOBMSG_TYPE_BOOL },
 676         [CSA_BLOCK_TX] = { "block_tx", BLOBMSG_TYPE_BOOL },
 677 };
 678
 679 #ifdef NEED_AP_MLME
 680 static int
 681 hostapd_switch_chan(struct ubus_context *ctx, struct ubus_object *obj,
 682                     struct ubus_request_data *req, const char *method,
 683                     struct blob_attr *msg)
 684 {
 685         struct blob_attr *tb[__CSA_MAX];
 686         struct hostapd_data *hapd = get_hapd_from_object(obj);
 687         struct csa_settings css;
 688
 689         blobmsg_parse(csa_policy, __CSA_MAX, tb, blob_data(msg), blob_len(msg));
 690
 691         if (!tb[CSA_FREQ])
 692                 return UBUS_STATUS_INVALID_ARGUMENT;
 693
 694         memset(&css, 0, sizeof(css));
 695         css.freq_params.freq = blobmsg_get_u32(tb[CSA_FREQ]);
 696
 697 #define SET_CSA_SETTING(name, field, type) \
 698         do { \
 699                 if (tb[name]) \
 700                         css.field = blobmsg_get_ ## type(tb[name]); \
 701         } while(0)
 702
 703         SET_CSA_SETTING(CSA_BCN_COUNT, cs_count, u32);
 704         SET_CSA_SETTING(CSA_CENTER_FREQ1, freq_params.center_freq1, u32);
 705         SET_CSA_SETTING(CSA_CENTER_FREQ2, freq_params.center_freq2, u32);
 706         SET_CSA_SETTING(CSA_BANDWIDTH, freq_params.bandwidth, u32);
 707         SET_CSA_SETTING(CSA_SEC_CHANNEL_OFFSET, freq_params.sec_channel_offset, u32);
 708         SET_CSA_SETTING(CSA_HT, freq_params.ht_enabled, bool);
 709         SET_CSA_SETTING(CSA_VHT, freq_params.vht_enabled, bool);
 710         SET_CSA_SETTING(CSA_BLOCK_TX, block_tx, bool);
 711
 712
 713         if (hostapd_switch_channel(hapd, &css) != 0)
 714                 return UBUS_STATUS_NOT_SUPPORTED;
 715         return UBUS_STATUS_OK;
 716 #undef SET_CSA_SETTING
 717 }
 718 #endif
 719
 720 enum {
 721         VENDOR_ELEMENTS,
 722         __VENDOR_ELEMENTS_MAX
 723 };
 724
 725 static const struct blobmsg_policy ve_policy[__VENDOR_ELEMENTS_MAX] = {
 726         /* vendor elements are provided as hex-string */
 727         [VENDOR_ELEMENTS] = { "vendor_elements", BLOBMSG_TYPE_STRING },
 728 };
 729
 730 static int
 731 hostapd_vendor_elements(struct ubus_context *ctx, struct ubus_object *obj,
 732                         struct ubus_request_data *req, const char *method,
 733                         struct blob_attr *msg)
 734 {
 735         struct blob_attr *tb[__VENDOR_ELEMENTS_MAX];
 736         struct hostapd_data *hapd = get_hapd_from_object(obj);
 737         struct hostapd_bss_config *bss = hapd->conf;
 738         struct wpabuf *elems;
 739         const char *pos;
 740         size_t len;
 741
 742         blobmsg_parse(ve_policy, __VENDOR_ELEMENTS_MAX, tb,
 743                       blob_data(msg), blob_len(msg));
 744
 745         if (!tb[VENDOR_ELEMENTS])
 746                 return UBUS_STATUS_INVALID_ARGUMENT;
 747
 748         pos = blobmsg_data(tb[VENDOR_ELEMENTS]);
 749         len = os_strlen(pos);
 750         if (len & 0x01)
 751                         return UBUS_STATUS_INVALID_ARGUMENT;
 752
 753         len /= 2;
 754         if (len == 0) {
 755                 wpabuf_free(bss->vendor_elements);
 756                 bss->vendor_elements = NULL;
 757                 return 0;
 758         }
 759
 760         elems = wpabuf_alloc(len);
 761         if (elems == NULL)
 762                 return 1;
 763
 764         if (hexstr2bin(pos, wpabuf_put(elems, len), len)) {
 765                 wpabuf_free(elems);
 766                 return UBUS_STATUS_INVALID_ARGUMENT;
 767         }
 768
 769         wpabuf_free(bss->vendor_elements);
 770         bss->vendor_elements = elems;
 771
 772         /* update beacons if vendor elements were set successfully */
 773         if (ieee802_11_update_beacons(hapd->iface) != 0)
 774                 return UBUS_STATUS_NOT_SUPPORTED;
 775         return UBUS_STATUS_OK;
 776 }
 777
 778 static void
 779 hostapd_rrm_print_nr(struct hostapd_neighbor_entry *nr)
 780 {
 781         const u8 *data;
 782         char *str;
 783         int len;
 784
 785         blobmsg_printf(&b, "", MACSTR, MAC2STR(nr->bssid));
 786
 787         str = blobmsg_alloc_string_buffer(&b, "", nr->ssid.ssid_len + 1);
 788         memcpy(str, nr->ssid.ssid, nr->ssid.ssid_len);
 789         str[nr->ssid.ssid_len] = 0;
 790         blobmsg_add_string_buffer(&b);
 791
 792         len = wpabuf_len(nr->nr);
 793         str = blobmsg_alloc_string_buffer(&b, "", 2 * len + 1);
 794         wpa_snprintf_hex(str, 2 * len + 1, wpabuf_head_u8(nr->nr), len);
 795         blobmsg_add_string_buffer(&b);
 796 }
 797
 798 enum {
 799         BSS_MGMT_EN_NEIGHBOR,
 800         BSS_MGMT_EN_BEACON,
 801 #ifdef CONFIG_WNM_AP
 802         BSS_MGMT_EN_BSS_TRANSITION,
 803 #endif
 804         __BSS_MGMT_EN_MAX
 805 };
 806
 807 static bool
 808 __hostapd_bss_mgmt_enable_f(struct hostapd_data *hapd, int flag)
 809 {
 810         struct hostapd_bss_config *bss = hapd->conf;
 811         uint32_t flags;
 812
 813         switch (flag) {
 814         case BSS_MGMT_EN_NEIGHBOR:
 815                 if (bss->radio_measurements[0] &
 816                     WLAN_RRM_CAPS_NEIGHBOR_REPORT)
 817                         return false;
 818
 819                 bss->radio_measurements[0] |=
 820                         WLAN_RRM_CAPS_NEIGHBOR_REPORT;
 821                 hostapd_neighbor_set_own_report(hapd);
 822                 return true;
 823         case BSS_MGMT_EN_BEACON:
 824                 flags = WLAN_RRM_CAPS_BEACON_REPORT_PASSIVE |
 825                         WLAN_RRM_CAPS_BEACON_REPORT_ACTIVE |
 826                         WLAN_RRM_CAPS_BEACON_REPORT_TABLE;
 827
 828                 if (bss->radio_measurements[0] & flags == flags)
 829                         return false;
 830
 831                 bss->radio_measurements[0] |= (u8) flags;
 832                 return true;
 833 #ifdef CONFIG_WNM_AP
 834         case BSS_MGMT_EN_BSS_TRANSITION:
 835                 if (bss->bss_transition)
 836                         return false;
 837
 838                 bss->bss_transition = 1;
 839                 return true;
 840 #endif
 841         }
 842 }
 843
 844 static void
 845 __hostapd_bss_mgmt_enable(struct hostapd_data *hapd, uint32_t flags)
 846 {
 847         bool update = false;
 848         int i;
 849
 850         for (i = 0; i < __BSS_MGMT_EN_MAX; i++) {
 851                 if (!(flags & (1 << i)))
 852                         continue;
 853
 854                 update |= __hostapd_bss_mgmt_enable_f(hapd, i);
 855         }
 856
 857         if (update)
 858                 ieee802_11_update_beacons(hapd->iface);
 859 }
 860
 861
 862 static const struct blobmsg_policy bss_mgmt_enable_policy[__BSS_MGMT_EN_MAX] = {
 863         [BSS_MGMT_EN_NEIGHBOR] = { "neighbor_report", BLOBMSG_TYPE_BOOL },
 864         [BSS_MGMT_EN_BEACON] = { "beacon_report", BLOBMSG_TYPE_BOOL },
 865 #ifdef CONFIG_WNM_AP
 866         [BSS_MGMT_EN_BSS_TRANSITION] = { "bss_transition", BLOBMSG_TYPE_BOOL },
 867 #endif
 868 };
 869
 870 static int
 871 hostapd_bss_mgmt_enable(struct ubus_context *ctx, struct ubus_object *obj,
 872                    struct ubus_request_data *req, const char *method,
 873                    struct blob_attr *msg)
 874
 875 {
 876         struct hostapd_data *hapd = get_hapd_from_object(obj);
 877         struct blob_attr *tb[__BSS_MGMT_EN_MAX];
 878         struct blob_attr *cur;
 879         uint32_t flags = 0;
 880         int i;
 881         bool neigh = false, beacon = false;
 882
 883         blobmsg_parse(bss_mgmt_enable_policy, __BSS_MGMT_EN_MAX, tb, blob_data(msg), blob_len(msg));
 884
 885         for (i = 0; i < ARRAY_SIZE(tb); i++) {
 886                 if (!tb[i] || !blobmsg_get_bool(tb[i]))
 887                         continue;
 888
 889                 flags |= (1 << i);
 890         }
 891
 892         __hostapd_bss_mgmt_enable(hapd, flags);
 893 }
 894
 895
 896 static void
 897 hostapd_rrm_nr_enable(struct hostapd_data *hapd)
 898 {
 899         __hostapd_bss_mgmt_enable(hapd, 1 << BSS_MGMT_EN_NEIGHBOR);
 900 }
 901
 902 static int
 903 hostapd_rrm_nr_get_own(struct ubus_context *ctx, struct ubus_object *obj,
 904                        struct ubus_request_data *req, const char *method,
 905                        struct blob_attr *msg)
 906 {
 907         struct hostapd_data *hapd = get_hapd_from_object(obj);
 908         struct hostapd_neighbor_entry *nr;
 909         void *c;
 910
 911         hostapd_rrm_nr_enable(hapd);
 912
 913         nr = hostapd_neighbor_get(hapd, hapd->own_addr, NULL);
 914         if (!nr)
 915                 return UBUS_STATUS_NOT_FOUND;
 916
 917         blob_buf_init(&b, 0);
 918
 919         c = blobmsg_open_array(&b, "value");
 920         hostapd_rrm_print_nr(nr);
 921         blobmsg_close_array(&b, c);
 922
 923         ubus_send_reply(ctx, req, b.head);
 924
 925         return 0;
 926 }
 927
 928 static int
 929 hostapd_rrm_nr_list(struct ubus_context *ctx, struct ubus_object *obj,
 930                     struct ubus_request_data *req, const char *method,
 931                     struct blob_attr *msg)
 932 {
 933         struct hostapd_data *hapd = get_hapd_from_object(obj);
 934         struct hostapd_neighbor_entry *nr;
 935         void *c;
 936
 937         hostapd_rrm_nr_enable(hapd);
 938         blob_buf_init(&b, 0);
 939
 940         c = blobmsg_open_array(&b, "list");
 941         dl_list_for_each(nr, &hapd->nr_db, struct hostapd_neighbor_entry, list) {
 942                 void *cur;
 943
 944                 if (!memcmp(nr->bssid, hapd->own_addr, ETH_ALEN))
 945                         continue;
 946
 947                 cur = blobmsg_open_array(&b, NULL);
 948                 hostapd_rrm_print_nr(nr);
 949                 blobmsg_close_array(&b, cur);
 950         }
 951         blobmsg_close_array(&b, c);
 952
 953         ubus_send_reply(ctx, req, b.head);
 954
 955         return 0;
 956 }
 957
 958 enum {
 959         NR_SET_LIST,
 960         __NR_SET_LIST_MAX
 961 };
 962
 963 static const struct blobmsg_policy nr_set_policy[__NR_SET_LIST_MAX] = {
 964         [NR_SET_LIST] = { "list", BLOBMSG_TYPE_ARRAY },
 965 };
 966
 967
 968 static void
 969 hostapd_rrm_nr_clear(struct hostapd_data *hapd)
 970 {
 971         struct hostapd_neighbor_entry *nr;
 972
 973 restart:
 974         dl_list_for_each(nr, &hapd->nr_db, struct hostapd_neighbor_entry, list) {
 975                 if (!memcmp(nr->bssid, hapd->own_addr, ETH_ALEN))
 976                         continue;
 977
 978                 hostapd_neighbor_remove(hapd, nr->bssid, &nr->ssid);
 979                 goto restart;
 980         }
 981 }
 982
 983 static int
 984 hostapd_rrm_nr_set(struct ubus_context *ctx, struct ubus_object *obj,
 985                    struct ubus_request_data *req, const char *method,
 986                    struct blob_attr *msg)
 987 {
 988         static const struct blobmsg_policy nr_e_policy[] = {
 989                 { .type = BLOBMSG_TYPE_STRING },
 990                 { .type = BLOBMSG_TYPE_STRING },
 991                 { .type = BLOBMSG_TYPE_STRING },
 992         };
 993         struct hostapd_data *hapd = get_hapd_from_object(obj);
 994         struct blob_attr *tb_l[__NR_SET_LIST_MAX];
 995         struct blob_attr *tb[ARRAY_SIZE(nr_e_policy)];
 996         struct blob_attr *cur;
 997         int rem;
 998
 999         hostapd_rrm_nr_enable(hapd);
1000
1001         blobmsg_parse(nr_set_policy, __NR_SET_LIST_MAX, tb_l, blob_data(msg), blob_len(msg));
1002         if (!tb_l[NR_SET_LIST])
1003                 return UBUS_STATUS_INVALID_ARGUMENT;
1004
1005         hostapd_rrm_nr_clear(hapd);
1006         blobmsg_for_each_attr(cur, tb_l[NR_SET_LIST], rem) {
1007                 struct wpa_ssid_value ssid;
1008                 struct wpabuf *data;
1009                 u8 bssid[ETH_ALEN];
1010                 char *s, *nr_s;
1011
1012                 blobmsg_parse_array(nr_e_policy, ARRAY_SIZE(nr_e_policy), tb, blobmsg_data(cur), blobmsg_data_len(cur));
1013                 if (!tb[0] || !tb[1] || !tb[2])
1014                         goto invalid;
1015
1016                 /* Neighbor Report binary */
1017                 nr_s = blobmsg_get_string(tb[2]);
1018                 data = wpabuf_parse_bin(nr_s);
1019                 if (!data)
1020                         goto invalid;
1021
1022                 /* BSSID */
1023                 s = blobmsg_get_string(tb[0]);
1024                 if (strlen(s) == 0) {
1025                         /* Copy BSSID from neighbor report */
1026                         if (hwaddr_compact_aton(nr_s, bssid))
1027                                 goto invalid;
1028                 } else if (hwaddr_aton(s, bssid)) {
1029                         goto invalid;
1030                 }
1031
1032                 /* SSID */
1033                 s = blobmsg_get_string(tb[1]);
1034                 if (strlen(s) == 0) {
1035                         /* Copy SSID from hostapd BSS conf */
1036                         memcpy(&ssid, &hapd->conf->ssid, sizeof(ssid));
1037                 } else {
1038                         ssid.ssid_len = strlen(s);
1039                         if (ssid.ssid_len > sizeof(ssid.ssid))
1040                                 goto invalid;
1041
1042                         memcpy(&ssid, s, ssid.ssid_len);
1043                 }
1044
1045                 hostapd_neighbor_set(hapd, bssid, &ssid, data, NULL, NULL, 0);
1046                 wpabuf_free(data);
1047                 continue;
1048
1049 invalid:
1050                 return UBUS_STATUS_INVALID_ARGUMENT;
1051         }
1052
1053         return 0;
1054 }
1055
1056 enum {
1057         BEACON_REQ_ADDR,
1058         BEACON_REQ_MODE,
1059         BEACON_REQ_OP_CLASS,
1060         BEACON_REQ_CHANNEL,
1061         BEACON_REQ_DURATION,
1062         BEACON_REQ_BSSID,
1063         BEACON_REQ_SSID,
1064         __BEACON_REQ_MAX,
1065 };
1066
1067 static const struct blobmsg_policy beacon_req_policy[__BEACON_REQ_MAX] = {
1068         [BEACON_REQ_ADDR] = { "addr", BLOBMSG_TYPE_STRING },
1069         [BEACON_REQ_OP_CLASS] { "op_class", BLOBMSG_TYPE_INT32 },
1070         [BEACON_REQ_CHANNEL] { "channel", BLOBMSG_TYPE_INT32 },
1071         [BEACON_REQ_DURATION] { "duration", BLOBMSG_TYPE_INT32 },
1072         [BEACON_REQ_MODE] { "mode", BLOBMSG_TYPE_INT32 },
1073         [BEACON_REQ_BSSID] { "bssid", BLOBMSG_TYPE_STRING },
1074         [BEACON_REQ_SSID] { "ssid", BLOBMSG_TYPE_STRING },
1075 };
1076
1077 static int
1078 hostapd_rrm_beacon_req(struct ubus_context *ctx, struct ubus_object *obj,
1079                        struct ubus_request_data *ureq, const char *method,
1080                        struct blob_attr *msg)
1081 {
1082         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
1083         struct blob_attr *tb[__BEACON_REQ_MAX];
1084         struct blob_attr *cur;
1085         struct wpabuf *req;
1086         u8 bssid[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1087         u8 addr[ETH_ALEN];
1088         int mode, rem, ret;
1089         int buf_len = 13;
1090
1091         blobmsg_parse(beacon_req_policy, __BEACON_REQ_MAX, tb, blob_data(msg), blob_len(msg));
1092
1093         if (!tb[BEACON_REQ_ADDR] || !tb[BEACON_REQ_MODE] || !tb[BEACON_REQ_DURATION] ||
1094             !tb[BEACON_REQ_OP_CLASS] || !tb[BEACON_REQ_CHANNEL])
1095                 return UBUS_STATUS_INVALID_ARGUMENT;
1096
1097         if (tb[BEACON_REQ_SSID])
1098                 buf_len += blobmsg_data_len(tb[BEACON_REQ_SSID]) + 2 - 1;
1099
1100         mode = blobmsg_get_u32(tb[BEACON_REQ_MODE]);
1101         if (hwaddr_aton(blobmsg_data(tb[BEACON_REQ_ADDR]), addr))
1102                 return UBUS_STATUS_INVALID_ARGUMENT;
1103
1104         if (tb[BEACON_REQ_BSSID] &&
1105             hwaddr_aton(blobmsg_data(tb[BEACON_REQ_BSSID]), bssid))
1106                 return UBUS_STATUS_INVALID_ARGUMENT;
1107
1108         req = wpabuf_alloc(buf_len);
1109         if (!req)
1110                 return UBUS_STATUS_UNKNOWN_ERROR;
1111
1112         /* 1: regulatory class */
1113         wpabuf_put_u8(req, blobmsg_get_u32(tb[BEACON_REQ_OP_CLASS]));
1114
1115         /* 2: channel number */
1116         wpabuf_put_u8(req, blobmsg_get_u32(tb[BEACON_REQ_CHANNEL]));
1117
1118         /* 3-4: randomization interval */
1119         wpabuf_put_le16(req, 0);
1120
1121         /* 5-6: duration */
1122         wpabuf_put_le16(req, blobmsg_get_u32(tb[BEACON_REQ_DURATION]));
1123
1124         /* 7: mode */
1125         wpabuf_put_u8(req, blobmsg_get_u32(tb[BEACON_REQ_MODE]));
1126
1127         /* 8-13: BSSID */
1128         wpabuf_put_data(req, bssid, ETH_ALEN);
1129
1130         if ((cur = tb[BEACON_REQ_SSID]) != NULL) {
1131                 wpabuf_put_u8(req, WLAN_EID_SSID);
1132                 wpabuf_put_u8(req, blobmsg_data_len(cur) - 1);
1133                 wpabuf_put_data(req, blobmsg_data(cur), blobmsg_data_len(cur) - 1);
1134         }
1135
1136         ret = hostapd_send_beacon_req(hapd, addr, 0, req);
1137         if (ret < 0)
1138                 return -ret;
1139
1140         return 0;
1141 }
1142
1143
1144 #ifdef CONFIG_WNM_AP
1145 enum {
1146         WNM_DISASSOC_ADDR,
1147         WNM_DISASSOC_DURATION,
1148         WNM_DISASSOC_NEIGHBORS,
1149         WNM_DISASSOC_ABRIDGED,
1150         __WNM_DISASSOC_MAX,
1151 };
1152
1153 static const struct blobmsg_policy wnm_disassoc_policy[__WNM_DISASSOC_MAX] = {
1154         [WNM_DISASSOC_ADDR] = { "addr", BLOBMSG_TYPE_STRING },
1155         [WNM_DISASSOC_DURATION] { "duration", BLOBMSG_TYPE_INT32 },
1156         [WNM_DISASSOC_NEIGHBORS] { "neighbors", BLOBMSG_TYPE_ARRAY },
1157         [WNM_DISASSOC_ABRIDGED] { "abridged", BLOBMSG_TYPE_BOOL },
1158 };
1159
1160 static int
1161 hostapd_wnm_disassoc_imminent(struct ubus_context *ctx, struct ubus_object *obj,
1162                               struct ubus_request_data *ureq, const char *method,
1163                               struct blob_attr *msg)
1164 {
1165         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
1166         struct blob_attr *tb[__WNM_DISASSOC_MAX];
1167         struct blob_attr *cur;
1168         struct sta_info *sta;
1169         int duration = 10;
1170         int rem;
1171         int nr_len = 0;
1172         u8 *nr = NULL;
1173         u8 req_mode = WNM_BSS_TM_REQ_DISASSOC_IMMINENT;
1174         u8 addr[ETH_ALEN];
1175
1176         blobmsg_parse(wnm_disassoc_policy, __WNM_DISASSOC_MAX, tb, blob_data(msg), blob_len(msg));
1177
1178         if (!tb[WNM_DISASSOC_ADDR])
1179                 return UBUS_STATUS_INVALID_ARGUMENT;
1180
1181         if (hwaddr_aton(blobmsg_data(tb[WNM_DISASSOC_ADDR]), addr))
1182                 return UBUS_STATUS_INVALID_ARGUMENT;
1183
1184         if ((cur = tb[WNM_DISASSOC_DURATION]) != NULL)
1185                 duration = blobmsg_get_u32(cur);
1186
1187         sta = ap_get_sta(hapd, addr);
1188         if (!sta)
1189                 return UBUS_STATUS_NOT_FOUND;
1190
1191         if (tb[WNM_DISASSOC_NEIGHBORS]) {
1192                 u8 *nr_cur;
1193
1194                 if (blobmsg_check_array(tb[WNM_DISASSOC_NEIGHBORS],
1195                                         BLOBMSG_TYPE_STRING) < 0)
1196                         return UBUS_STATUS_INVALID_ARGUMENT;
1197
1198                 blobmsg_for_each_attr(cur, tb[WNM_DISASSOC_NEIGHBORS], rem) {
1199                         int len = strlen(blobmsg_get_string(cur));
1200
1201                         if (len % 2)
1202                                 return UBUS_STATUS_INVALID_ARGUMENT;
1203
1204                         nr_len += (len / 2) + 2;
1205                 }
1206
1207                 if (nr_len) {
1208                         nr = os_zalloc(nr_len);
1209                         if (!nr)
1210                                 return UBUS_STATUS_UNKNOWN_ERROR;
1211                 }
1212
1213                 nr_cur = nr;
1214                 blobmsg_for_each_attr(cur, tb[WNM_DISASSOC_NEIGHBORS], rem) {
1215                         int len = strlen(blobmsg_get_string(cur)) / 2;
1216
1217                         *nr_cur++ = WLAN_EID_NEIGHBOR_REPORT;
1218                         *nr_cur++ = (u8) len;
1219                         if (hexstr2bin(blobmsg_data(cur), nr_cur, len)) {
1220                                 free(nr);
1221                                 return UBUS_STATUS_INVALID_ARGUMENT;
1222                         }
1223
1224                         nr_cur += len;
1225                 }
1226         }
1227
1228         if (nr)
1229                 req_mode |= WNM_BSS_TM_REQ_PREF_CAND_LIST_INCLUDED;
1230
1231         if (tb[WNM_DISASSOC_ABRIDGED] && blobmsg_get_bool(tb[WNM_DISASSOC_ABRIDGED]))
1232                 req_mode |= WNM_BSS_TM_REQ_ABRIDGED;
1233
1234         if (wnm_send_bss_tm_req(hapd, sta, req_mode, duration, 0, NULL,
1235                                 NULL, nr, nr_len, NULL, 0))
1236                 return UBUS_STATUS_UNKNOWN_ERROR;
1237
1238         return 0;
1239 }
1240 #endif
1241
1242 static const struct ubus_method bss_methods[] = {
1243         UBUS_METHOD_NOARG("reload", hostapd_bss_reload),
1244         UBUS_METHOD_NOARG("get_clients", hostapd_bss_get_clients),
1245         UBUS_METHOD("del_client", hostapd_bss_del_client, del_policy),
1246         UBUS_METHOD_NOARG("list_bans", hostapd_bss_list_bans),
1247 #ifdef CONFIG_WPS
1248         UBUS_METHOD_NOARG("wps_start", hostapd_bss_wps_start),
1249         UBUS_METHOD_NOARG("wps_status", hostapd_bss_wps_status),
1250         UBUS_METHOD_NOARG("wps_cancel", hostapd_bss_wps_cancel),
1251 #endif
1252         UBUS_METHOD_NOARG("update_beacon", hostapd_bss_update_beacon),
1253         UBUS_METHOD_NOARG("get_features", hostapd_bss_get_features),
1254 #ifdef NEED_AP_MLME
1255         UBUS_METHOD("switch_chan", hostapd_switch_chan, csa_policy),
1256 #endif
1257         UBUS_METHOD("set_vendor_elements", hostapd_vendor_elements, ve_policy),
1258         UBUS_METHOD("notify_response", hostapd_notify_response, notify_policy),
1259         UBUS_METHOD("bss_mgmt_enable", hostapd_bss_mgmt_enable, bss_mgmt_enable_policy),
1260         UBUS_METHOD_NOARG("rrm_nr_get_own", hostapd_rrm_nr_get_own),
1261         UBUS_METHOD_NOARG("rrm_nr_list", hostapd_rrm_nr_list),
1262         UBUS_METHOD("rrm_nr_set", hostapd_rrm_nr_set, nr_set_policy),
1263         UBUS_METHOD("rrm_beacon_req", hostapd_rrm_beacon_req, beacon_req_policy),
1264 #ifdef CONFIG_WNM_AP
1265         UBUS_METHOD("wnm_disassoc_imminent", hostapd_wnm_disassoc_imminent, wnm_disassoc_policy),
1266 #endif
1267 };
1268
1269 static struct ubus_object_type bss_object_type =
1270         UBUS_OBJECT_TYPE("hostapd_bss", bss_methods);
1271
1272 static int avl_compare_macaddr(const void *k1, const void *k2, void *ptr)
1273 {
1274         return memcmp(k1, k2, ETH_ALEN);
1275 }
1276
1277 void hostapd_ubus_add_bss(struct hostapd_data *hapd)
1278 {
1279         struct ubus_object *obj = &hapd->ubus.obj;
1280         char *name;
1281         int ret;
1282
1283 #ifdef CONFIG_MESH
1284         if (hapd->conf->mesh & MESH_ENABLED)
1285                 return;
1286 #endif
1287
1288         if (!hostapd_ubus_init())
1289                 return;
1290
1291         if (asprintf(&name, "hostapd.%s", hapd->conf->iface) < 0)
1292                 return;
1293
1294         avl_init(&hapd->ubus.banned, avl_compare_macaddr, false, NULL);
1295         obj->name = name;
1296         obj->type = &bss_object_type;
1297         obj->methods = bss_object_type.methods;
1298         obj->n_methods = bss_object_type.n_methods;
1299         ret = ubus_add_object(ctx, obj);
1300         hostapd_ubus_ref_inc();
1301
1302         hostapd_send_shared_event(&hapd->iface->interfaces->ubus, hapd->conf->iface, "add");
1303 }
1304
1305 void hostapd_ubus_free_bss(struct hostapd_data *hapd)
1306 {
1307         struct ubus_object *obj = &hapd->ubus.obj;
1308         char *name = (char *) obj->name;
1309
1310         if (!ctx)
1311                 return;
1312
1313         hostapd_send_shared_event(&hapd->iface->interfaces->ubus, hapd->conf->iface, "remove");
1314
1315         if (obj->id) {
1316                 ubus_remove_object(ctx, obj);
1317                 hostapd_ubus_ref_dec();
1318         }
1319
1320         free(name);
1321 }
1322
1323 static const struct ubus_method daemon_methods[] = {
1324         UBUS_METHOD("config_add", hostapd_config_add, config_add_policy),
1325         UBUS_METHOD("config_remove", hostapd_config_remove, config_remove_policy),
1326 };
1327
1328 static struct ubus_object_type daemon_object_type =
1329         UBUS_OBJECT_TYPE("hostapd", daemon_methods);
1330
1331 void hostapd_ubus_add(struct hapd_interfaces *interfaces)
1332 {
1333         struct ubus_object *obj = &interfaces->ubus;
1334         int ret;
1335
1336         if (!hostapd_ubus_init())
1337                 return;
1338
1339         obj->name = strdup("hostapd");
1340
1341         obj->type = &daemon_object_type;
1342         obj->methods = daemon_object_type.methods;
1343         obj->n_methods = daemon_object_type.n_methods;
1344         ret = ubus_add_object(ctx, obj);
1345         hostapd_ubus_ref_inc();
1346 }
1347
1348 void hostapd_ubus_free(struct hapd_interfaces *interfaces)
1349 {
1350         struct ubus_object *obj = &interfaces->ubus;
1351         char *name = (char *) obj->name;
1352
1353         if (!ctx)
1354                 return;
1355
1356         if (obj->id) {
1357                 ubus_remove_object(ctx, obj);
1358                 hostapd_ubus_ref_dec();
1359         }
1360
1361         free(name);
1362 }
1363
1364 struct ubus_event_req {
1365         struct ubus_notify_request nreq;
1366         int resp;
1367 };
1368
1369 static void
1370 ubus_event_cb(struct ubus_notify_request *req, int idx, int ret)
1371 {
1372         struct ubus_event_req *ureq = container_of(req, struct ubus_event_req, nreq);
1373
1374         ureq->resp = ret;
1375 }
1376
1377 int hostapd_ubus_handle_event(struct hostapd_data *hapd, struct hostapd_ubus_request *req)
1378 {
1379         struct ubus_banned_client *ban;
1380         const char *types[HOSTAPD_UBUS_TYPE_MAX] = {
1381                 [HOSTAPD_UBUS_PROBE_REQ] = "probe",
1382                 [HOSTAPD_UBUS_AUTH_REQ] = "auth",
1383                 [HOSTAPD_UBUS_ASSOC_REQ] = "assoc",
1384         };
1385         const char *type = "mgmt";
1386         struct ubus_event_req ureq = {};
1387         const u8 *addr;
1388
1389         if (req->mgmt_frame)
1390                 addr = req->mgmt_frame->sa;
1391         else
1392                 addr = req->addr;
1393
1394         ban = avl_find_element(&hapd->ubus.banned, addr, ban, avl);
1395         if (ban)
1396                 return WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
1397
1398         if (!hapd->ubus.obj.has_subscribers)
1399                 return WLAN_STATUS_SUCCESS;
1400
1401         if (req->type < ARRAY_SIZE(types))
1402                 type = types[req->type];
1403
1404         blob_buf_init(&b, 0);
1405         blobmsg_add_macaddr(&b, "address", addr);
1406         if (req->mgmt_frame)
1407                 blobmsg_add_macaddr(&b, "target", req->mgmt_frame->da);
1408         if (req->ssi_signal)
1409                 blobmsg_add_u32(&b, "signal", req->ssi_signal);
1410         blobmsg_add_u32(&b, "freq", hapd->iface->freq);
1411
1412         if (req->elems) {
1413                 if(req->elems->ht_capabilities)
1414                 {
1415                         struct ieee80211_ht_capabilities *ht_capabilities;
1416                         void *ht_cap, *ht_cap_mcs_set, *mcs_set;
1417
1418
1419                         ht_capabilities = (struct ieee80211_ht_capabilities*) req->elems->ht_capabilities;
1420                         ht_cap = blobmsg_open_table(&b, "ht_capabilities");
1421                         blobmsg_add_u16(&b, "ht_capabilities_info", ht_capabilities->ht_capabilities_info);
1422                         ht_cap_mcs_set = blobmsg_open_table(&b, "supported_mcs_set");
1423                         blobmsg_add_u16(&b, "a_mpdu_params", ht_capabilities->a_mpdu_params);
1424                         blobmsg_add_u16(&b, "ht_extended_capabilities", ht_capabilities->ht_extended_capabilities);
1425                         blobmsg_add_u32(&b, "tx_bf_capability_info", ht_capabilities->tx_bf_capability_info);
1426                         blobmsg_add_u16(&b, "asel_capabilities", ht_capabilities->asel_capabilities);
1427                         mcs_set = blobmsg_open_array(&b, "supported_mcs_set");
1428                         for (int i = 0; i < 16; i++) {
1429                                 blobmsg_add_u16(&b, NULL, (u16) ht_capabilities->supported_mcs_set[i]);
1430                         }
1431                         blobmsg_close_array(&b, mcs_set);
1432                         blobmsg_close_table(&b, ht_cap_mcs_set);
1433                         blobmsg_close_table(&b, ht_cap);
1434                 }
1435                 if(req->elems->vht_capabilities)
1436                 {
1437                         struct ieee80211_vht_capabilities *vht_capabilities;
1438                         void *vht_cap, *vht_cap_mcs_set;
1439
1440                         vht_capabilities = (struct ieee80211_vht_capabilities*) req->elems->vht_capabilities;
1441                         vht_cap = blobmsg_open_table(&b, "vht_capabilities");
1442                         blobmsg_add_u32(&b, "vht_capabilities_info", vht_capabilities->vht_capabilities_info);
1443                         vht_cap_mcs_set = blobmsg_open_table(&b, "vht_supported_mcs_set");
1444                         blobmsg_add_u16(&b, "rx_map", vht_capabilities->vht_supported_mcs_set.rx_map);
1445                         blobmsg_add_u16(&b, "rx_highest", vht_capabilities->vht_supported_mcs_set.rx_highest);
1446                         blobmsg_add_u16(&b, "tx_map", vht_capabilities->vht_supported_mcs_set.tx_map);
1447                         blobmsg_add_u16(&b, "tx_highest", vht_capabilities->vht_supported_mcs_set.tx_highest);
1448                         blobmsg_close_table(&b, vht_cap_mcs_set);
1449                         blobmsg_close_table(&b, vht_cap);
1450                 }
1451         }
1452
1453         if (!hapd->ubus.notify_response) {
1454                 ubus_notify(ctx, &hapd->ubus.obj, type, b.head, -1);
1455                 return WLAN_STATUS_SUCCESS;
1456         }
1457
1458         if (ubus_notify_async(ctx, &hapd->ubus.obj, type, b.head, &ureq.nreq))
1459                 return WLAN_STATUS_SUCCESS;
1460
1461         ureq.nreq.status_cb = ubus_event_cb;
1462         ubus_complete_request(ctx, &ureq.nreq.req, 100);
1463
1464         if (ureq.resp)
1465                 return ureq.resp;
1466
1467         return WLAN_STATUS_SUCCESS;
1468 }
1469
1470 void hostapd_ubus_notify(struct hostapd_data *hapd, const char *type, const u8 *addr)
1471 {
1472         if (!hapd->ubus.obj.has_subscribers)
1473                 return;
1474
1475         if (!addr)
1476                 return;
1477
1478         blob_buf_init(&b, 0);
1479         blobmsg_add_macaddr(&b, "address", addr);
1480
1481         ubus_notify(ctx, &hapd->ubus.obj, type, b.head, -1);
1482 }
1483
1484 void hostapd_ubus_notify_beacon_report(
1485         struct hostapd_data *hapd, const u8 *addr, u8 token, u8 rep_mode,
1486         struct rrm_measurement_beacon_report *rep, size_t len)
1487 {
1488         if (!hapd->ubus.obj.has_subscribers)
1489                 return;
1490
1491         if (!addr || !rep)
1492                 return;
1493
1494         blob_buf_init(&b, 0);
1495         blobmsg_add_macaddr(&b, "address", addr);
1496         blobmsg_add_u16(&b, "op-class", rep->op_class);
1497         blobmsg_add_u16(&b, "channel", rep->channel);
1498         blobmsg_add_u64(&b, "start-time", rep->start_time);
1499         blobmsg_add_u16(&b, "duration", rep->duration);
1500         blobmsg_add_u16(&b, "report-info", rep->report_info);
1501         blobmsg_add_u16(&b, "rcpi", rep->rcpi);
1502         blobmsg_add_u16(&b, "rsni", rep->rsni);
1503         blobmsg_add_macaddr(&b, "bssid", rep->bssid);
1504         blobmsg_add_u16(&b, "antenna-id", rep->antenna_id);
1505         blobmsg_add_u16(&b, "parent-tsf", rep->parent_tsf);
1506
1507         ubus_notify(ctx, &hapd->ubus.obj, "beacon-report", b.head, -1);
1508 }