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 /* Imported from iw/util.c
 376  *  https://git.kernel.org/pub/scm/linux/kernel/git/jberg/iw.git/tree/util.c?id=4b25ae3537af48dbf9d0abf94132e5ba01b32c18#n200
 377  */
 378 int ieee80211_frequency_to_channel(int freq)
 379 {
 380         /* see 802.11-2007 17.3.8.3.2 and Annex J */
 381         if (freq == 2484)
 382                 return 14;
 383         /* see 802.11ax D6.1 27.3.23.2 and Annex E */
 384         else if (freq == 5935)
 385                 return 2;
 386         else if (freq < 2484)
 387                 return (freq - 2407) / 5;
 388         else if (freq >= 4910 && freq <= 4980)
 389                 return (freq - 4000) / 5;
 390         else if (freq < 5950)
 391                 return (freq - 5000) / 5;
 392         else if (freq <= 45000) /* DMG band lower limit */
 393                 /* see 802.11ax D6.1 27.3.23.2 */
 394                 return (freq - 5950) / 5;
 395         else if (freq >= 58320 && freq <= 70200)
 396                 return (freq - 56160) / 2160;
 397         else
 398                 return 0;
 399 }
 400
 401 static int
 402 hostapd_bss_get_status(struct ubus_context *ctx, struct ubus_object *obj,
 403                        struct ubus_request_data *req, const char *method,
 404                        struct blob_attr *msg)
 405 {
 406         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 407         void *airtime_table, *dfs_table;
 408         struct os_reltime now;
 409         char ssid[SSID_MAX_LEN + 1];
 410         char phy_name[17];
 411         size_t ssid_len = SSID_MAX_LEN;
 412
 413         if (hapd->conf->ssid.ssid_len < SSID_MAX_LEN)
 414                 ssid_len = hapd->conf->ssid.ssid_len;
 415
 416         blob_buf_init(&b, 0);
 417         blobmsg_add_string(&b, "status", hostapd_state_text(hapd->iface->state));
 418         blobmsg_printf(&b, "bssid", MACSTR, MAC2STR(hapd->conf->bssid));
 419
 420         memset(ssid, 0, SSID_MAX_LEN + 1);
 421         memcpy(ssid, hapd->conf->ssid.ssid, ssid_len);
 422         blobmsg_add_string(&b, "ssid", ssid);
 423
 424         blobmsg_add_u32(&b, "freq", hapd->iface->freq);
 425         blobmsg_add_u32(&b, "channel", ieee80211_frequency_to_channel(hapd->iface->freq));
 426
 427         snprintf(phy_name, 17, "%s", hapd->iface->phy);
 428         blobmsg_add_string(&b, "phy", phy_name);
 429
 430         /* Airtime */
 431         airtime_table = blobmsg_open_table(&b, "airtime");
 432         blobmsg_add_u64(&b, "time", hapd->iface->last_channel_time);
 433         blobmsg_add_u64(&b, "time_busy", hapd->iface->last_channel_time_busy);
 434         blobmsg_add_u16(&b, "utilization", hapd->iface->channel_utilization);
 435         blobmsg_close_table(&b, airtime_table);
 436
 437         /* DFS */
 438         dfs_table = blobmsg_open_table(&b, "dfs");
 439         blobmsg_add_u32(&b, "cac_seconds", hapd->iface->dfs_cac_ms / 1000);
 440         blobmsg_add_u8(&b, "cac_active", !!(hapd->iface->cac_started));
 441         os_reltime_age(&hapd->iface->dfs_cac_start, &now);
 442         blobmsg_add_u32(&b, "cac_seconds_left",
 443                         hapd->iface->cac_started ? hapd->iface->dfs_cac_ms / 1000 - now.sec : 0);
 444         blobmsg_close_table(&b, dfs_table);
 445
 446         ubus_send_reply(ctx, req, b.head);
 447
 448         return 0;
 449 }
 450
 451 enum {
 452         NOTIFY_RESPONSE,
 453         __NOTIFY_MAX
 454 };
 455
 456 static const struct blobmsg_policy notify_policy[__NOTIFY_MAX] = {
 457         [NOTIFY_RESPONSE] = { "notify_response", BLOBMSG_TYPE_INT32 },
 458 };
 459
 460 static int
 461 hostapd_notify_response(struct ubus_context *ctx, struct ubus_object *obj,
 462                         struct ubus_request_data *req, const char *method,
 463                         struct blob_attr *msg)
 464 {
 465         struct blob_attr *tb[__NOTIFY_MAX];
 466         struct hostapd_data *hapd = get_hapd_from_object(obj);
 467         struct wpabuf *elems;
 468         const char *pos;
 469         size_t len;
 470
 471         blobmsg_parse(notify_policy, __NOTIFY_MAX, tb,
 472                       blob_data(msg), blob_len(msg));
 473
 474         if (!tb[NOTIFY_RESPONSE])
 475                 return UBUS_STATUS_INVALID_ARGUMENT;
 476
 477         hapd->ubus.notify_response = blobmsg_get_u32(tb[NOTIFY_RESPONSE]);
 478
 479         return UBUS_STATUS_OK;
 480 }
 481
 482 enum {
 483         DEL_CLIENT_ADDR,
 484         DEL_CLIENT_REASON,
 485         DEL_CLIENT_DEAUTH,
 486         DEL_CLIENT_BAN_TIME,
 487         __DEL_CLIENT_MAX
 488 };
 489
 490 static const struct blobmsg_policy del_policy[__DEL_CLIENT_MAX] = {
 491         [DEL_CLIENT_ADDR] = { "addr", BLOBMSG_TYPE_STRING },
 492         [DEL_CLIENT_REASON] = { "reason", BLOBMSG_TYPE_INT32 },
 493         [DEL_CLIENT_DEAUTH] = { "deauth", BLOBMSG_TYPE_INT8 },
 494         [DEL_CLIENT_BAN_TIME] = { "ban_time", BLOBMSG_TYPE_INT32 },
 495 };
 496
 497 static int
 498 hostapd_bss_del_client(struct ubus_context *ctx, struct ubus_object *obj,
 499                         struct ubus_request_data *req, const char *method,
 500                         struct blob_attr *msg)
 501 {
 502         struct blob_attr *tb[__DEL_CLIENT_MAX];
 503         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 504         struct sta_info *sta;
 505         bool deauth = false;
 506         int reason;
 507         u8 addr[ETH_ALEN];
 508
 509         blobmsg_parse(del_policy, __DEL_CLIENT_MAX, tb, blob_data(msg), blob_len(msg));
 510
 511         if (!tb[DEL_CLIENT_ADDR])
 512                 return UBUS_STATUS_INVALID_ARGUMENT;
 513
 514         if (hwaddr_aton(blobmsg_data(tb[DEL_CLIENT_ADDR]), addr))
 515                 return UBUS_STATUS_INVALID_ARGUMENT;
 516
 517         if (tb[DEL_CLIENT_REASON])
 518                 reason = blobmsg_get_u32(tb[DEL_CLIENT_REASON]);
 519
 520         if (tb[DEL_CLIENT_DEAUTH])
 521                 deauth = blobmsg_get_bool(tb[DEL_CLIENT_DEAUTH]);
 522
 523         sta = ap_get_sta(hapd, addr);
 524         if (sta) {
 525                 if (deauth) {
 526                         hostapd_drv_sta_deauth(hapd, addr, reason);
 527                         ap_sta_deauthenticate(hapd, sta, reason);
 528                 } else {
 529                         hostapd_drv_sta_disassoc(hapd, addr, reason);
 530                         ap_sta_disassociate(hapd, sta, reason);
 531                 }
 532         }
 533
 534         if (tb[DEL_CLIENT_BAN_TIME])
 535                 hostapd_bss_ban_client(hapd, addr, blobmsg_get_u32(tb[DEL_CLIENT_BAN_TIME]));
 536
 537         return 0;
 538 }
 539
 540 static void
 541 blobmsg_add_macaddr(struct blob_buf *buf, const char *name, const u8 *addr)
 542 {
 543         char *s;
 544
 545         s = blobmsg_alloc_string_buffer(buf, name, 20);
 546         sprintf(s, MACSTR, MAC2STR(addr));
 547         blobmsg_add_string_buffer(buf);
 548 }
 549
 550 static int
 551 hostapd_bss_list_bans(struct ubus_context *ctx, struct ubus_object *obj,
 552                       struct ubus_request_data *req, const char *method,
 553                       struct blob_attr *msg)
 554 {
 555         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 556         struct ubus_banned_client *ban;
 557         void *c;
 558
 559         blob_buf_init(&b, 0);
 560         c = blobmsg_open_array(&b, "clients");
 561         avl_for_each_element(&hapd->ubus.banned, ban, avl)
 562                 blobmsg_add_macaddr(&b, NULL, ban->addr);
 563         blobmsg_close_array(&b, c);
 564         ubus_send_reply(ctx, req, b.head);
 565
 566         return 0;
 567 }
 568
 569 #ifdef CONFIG_WPS
 570 static int
 571 hostapd_bss_wps_start(struct ubus_context *ctx, struct ubus_object *obj,
 572                         struct ubus_request_data *req, const char *method,
 573                         struct blob_attr *msg)
 574 {
 575         int rc;
 576         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 577
 578         rc = hostapd_wps_button_pushed(hapd, NULL);
 579
 580         if (rc != 0)
 581                 return UBUS_STATUS_NOT_SUPPORTED;
 582
 583         return 0;
 584 }
 585
 586
 587 static const char * pbc_status_enum_str(enum pbc_status status)
 588 {
 589         switch (status) {
 590         case WPS_PBC_STATUS_DISABLE:
 591                 return "Disabled";
 592         case WPS_PBC_STATUS_ACTIVE:
 593                 return "Active";
 594         case WPS_PBC_STATUS_TIMEOUT:
 595                 return "Timed-out";
 596         case WPS_PBC_STATUS_OVERLAP:
 597                 return "Overlap";
 598         default:
 599                 return "Unknown";
 600         }
 601 }
 602
 603 static int
 604 hostapd_bss_wps_status(struct ubus_context *ctx, struct ubus_object *obj,
 605                         struct ubus_request_data *req, const char *method,
 606                         struct blob_attr *msg)
 607 {
 608         int rc;
 609         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 610
 611         blob_buf_init(&b, 0);
 612
 613         blobmsg_add_string(&b, "pbc_status", pbc_status_enum_str(hapd->wps_stats.pbc_status));
 614         blobmsg_add_string(&b, "last_wps_result",
 615                            (hapd->wps_stats.status == WPS_STATUS_SUCCESS ?
 616                             "Success":
 617                             (hapd->wps_stats.status == WPS_STATUS_FAILURE ?
 618                              "Failed" : "None")));
 619
 620         /* If status == Failure - Add possible Reasons */
 621         if(hapd->wps_stats.status == WPS_STATUS_FAILURE &&
 622            hapd->wps_stats.failure_reason > 0)
 623                 blobmsg_add_string(&b, "reason", wps_ei_str(hapd->wps_stats.failure_reason));
 624
 625         if (hapd->wps_stats.status)
 626                 blobmsg_printf(&b, "peer_address", MACSTR, MAC2STR(hapd->wps_stats.peer_addr));
 627
 628         ubus_send_reply(ctx, req, b.head);
 629
 630         return 0;
 631 }
 632
 633 static int
 634 hostapd_bss_wps_cancel(struct ubus_context *ctx, struct ubus_object *obj,
 635                         struct ubus_request_data *req, const char *method,
 636                         struct blob_attr *msg)
 637 {
 638         int rc;
 639         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 640
 641         rc = hostapd_wps_cancel(hapd);
 642
 643         if (rc != 0)
 644                 return UBUS_STATUS_NOT_SUPPORTED;
 645
 646         return 0;
 647 }
 648 #endif /* CONFIG_WPS */
 649
 650 static int
 651 hostapd_bss_update_beacon(struct ubus_context *ctx, struct ubus_object *obj,
 652                         struct ubus_request_data *req, const char *method,
 653                         struct blob_attr *msg)
 654 {
 655         int rc;
 656         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
 657
 658         rc = ieee802_11_set_beacon(hapd);
 659
 660         if (rc != 0)
 661                 return UBUS_STATUS_NOT_SUPPORTED;
 662
 663         return 0;
 664 }
 665
 666 enum {
 667         CONFIG_IFACE,
 668         CONFIG_FILE,
 669         __CONFIG_MAX
 670 };
 671
 672 static const struct blobmsg_policy config_add_policy[__CONFIG_MAX] = {
 673         [CONFIG_IFACE] = { "iface", BLOBMSG_TYPE_STRING },
 674         [CONFIG_FILE] = { "config", BLOBMSG_TYPE_STRING },
 675 };
 676
 677 static int
 678 hostapd_config_add(struct ubus_context *ctx, struct ubus_object *obj,
 679                    struct ubus_request_data *req, const char *method,
 680                    struct blob_attr *msg)
 681 {
 682         struct blob_attr *tb[__CONFIG_MAX];
 683         struct hapd_interfaces *interfaces = get_hapd_interfaces_from_object(obj);
 684         char buf[128];
 685
 686         blobmsg_parse(config_add_policy, __CONFIG_MAX, tb, blob_data(msg), blob_len(msg));
 687
 688         if (!tb[CONFIG_FILE] || !tb[CONFIG_IFACE])
 689                 return UBUS_STATUS_INVALID_ARGUMENT;
 690
 691         snprintf(buf, sizeof(buf), "bss_config=%s:%s",
 692                 blobmsg_get_string(tb[CONFIG_IFACE]),
 693                 blobmsg_get_string(tb[CONFIG_FILE]));
 694
 695         if (hostapd_add_iface(interfaces, buf))
 696                 return UBUS_STATUS_INVALID_ARGUMENT;
 697
 698         blob_buf_init(&b, 0);
 699         blobmsg_add_u32(&b, "pid", getpid());
 700         ubus_send_reply(ctx, req, b.head);
 701
 702         return UBUS_STATUS_OK;
 703 }
 704
 705 enum {
 706         CONFIG_REM_IFACE,
 707         __CONFIG_REM_MAX
 708 };
 709
 710 static const struct blobmsg_policy config_remove_policy[__CONFIG_REM_MAX] = {
 711         [CONFIG_REM_IFACE] = { "iface", BLOBMSG_TYPE_STRING },
 712 };
 713
 714 static int
 715 hostapd_config_remove(struct ubus_context *ctx, struct ubus_object *obj,
 716                       struct ubus_request_data *req, const char *method,
 717                       struct blob_attr *msg)
 718 {
 719         struct blob_attr *tb[__CONFIG_REM_MAX];
 720         struct hapd_interfaces *interfaces = get_hapd_interfaces_from_object(obj);
 721         char buf[128];
 722
 723         blobmsg_parse(config_remove_policy, __CONFIG_REM_MAX, tb, blob_data(msg), blob_len(msg));
 724
 725         if (!tb[CONFIG_REM_IFACE])
 726                 return UBUS_STATUS_INVALID_ARGUMENT;
 727
 728         if (hostapd_remove_iface(interfaces, blobmsg_get_string(tb[CONFIG_REM_IFACE])))
 729                 return UBUS_STATUS_INVALID_ARGUMENT;
 730
 731         return UBUS_STATUS_OK;
 732 }
 733
 734 enum {
 735         CSA_FREQ,
 736         CSA_BCN_COUNT,
 737         CSA_CENTER_FREQ1,
 738         CSA_CENTER_FREQ2,
 739         CSA_BANDWIDTH,
 740         CSA_SEC_CHANNEL_OFFSET,
 741         CSA_HT,
 742         CSA_VHT,
 743         CSA_BLOCK_TX,
 744         __CSA_MAX
 745 };
 746
 747 static const struct blobmsg_policy csa_policy[__CSA_MAX] = {
 748         [CSA_FREQ] = { "freq", BLOBMSG_TYPE_INT32 },
 749         [CSA_BCN_COUNT] = { "bcn_count", BLOBMSG_TYPE_INT32 },
 750         [CSA_CENTER_FREQ1] = { "center_freq1", BLOBMSG_TYPE_INT32 },
 751         [CSA_CENTER_FREQ2] = { "center_freq2", BLOBMSG_TYPE_INT32 },
 752         [CSA_BANDWIDTH] = { "bandwidth", BLOBMSG_TYPE_INT32 },
 753         [CSA_SEC_CHANNEL_OFFSET] = { "sec_channel_offset", BLOBMSG_TYPE_INT32 },
 754         [CSA_HT] = { "ht", BLOBMSG_TYPE_BOOL },
 755         [CSA_VHT] = { "vht", BLOBMSG_TYPE_BOOL },
 756         [CSA_BLOCK_TX] = { "block_tx", BLOBMSG_TYPE_BOOL },
 757 };
 758
 759 #ifdef NEED_AP_MLME
 760 static int
 761 hostapd_switch_chan(struct ubus_context *ctx, struct ubus_object *obj,
 762                     struct ubus_request_data *req, const char *method,
 763                     struct blob_attr *msg)
 764 {
 765         struct blob_attr *tb[__CSA_MAX];
 766         struct hostapd_data *hapd = get_hapd_from_object(obj);
 767         struct csa_settings css;
 768         int ret = UBUS_STATUS_OK;
 769         int i;
 770
 771         blobmsg_parse(csa_policy, __CSA_MAX, tb, blob_data(msg), blob_len(msg));
 772
 773         if (!tb[CSA_FREQ])
 774                 return UBUS_STATUS_INVALID_ARGUMENT;
 775
 776         memset(&css, 0, sizeof(css));
 777         css.freq_params.freq = blobmsg_get_u32(tb[CSA_FREQ]);
 778
 779 #define SET_CSA_SETTING(name, field, type) \
 780         do { \
 781                 if (tb[name]) \
 782                         css.field = blobmsg_get_ ## type(tb[name]); \
 783         } while(0)
 784
 785         SET_CSA_SETTING(CSA_BCN_COUNT, cs_count, u32);
 786         SET_CSA_SETTING(CSA_CENTER_FREQ1, freq_params.center_freq1, u32);
 787         SET_CSA_SETTING(CSA_CENTER_FREQ2, freq_params.center_freq2, u32);
 788         SET_CSA_SETTING(CSA_BANDWIDTH, freq_params.bandwidth, u32);
 789         SET_CSA_SETTING(CSA_SEC_CHANNEL_OFFSET, freq_params.sec_channel_offset, u32);
 790         SET_CSA_SETTING(CSA_HT, freq_params.ht_enabled, bool);
 791         SET_CSA_SETTING(CSA_VHT, freq_params.vht_enabled, bool);
 792         SET_CSA_SETTING(CSA_BLOCK_TX, block_tx, bool);
 793
 794         for (i = 0; i < hapd->iface->num_bss; i++) {
 795                 struct hostapd_data *bss = hapd->iface->bss[i];
 796
 797                 if (hostapd_switch_channel(bss, &css) != 0)
 798                         ret = UBUS_STATUS_NOT_SUPPORTED;
 799         }
 800
 801         return ret;
 802 #undef SET_CSA_SETTING
 803 }
 804 #endif
 805
 806 enum {
 807         VENDOR_ELEMENTS,
 808         __VENDOR_ELEMENTS_MAX
 809 };
 810
 811 static const struct blobmsg_policy ve_policy[__VENDOR_ELEMENTS_MAX] = {
 812         /* vendor elements are provided as hex-string */
 813         [VENDOR_ELEMENTS] = { "vendor_elements", BLOBMSG_TYPE_STRING },
 814 };
 815
 816 static int
 817 hostapd_vendor_elements(struct ubus_context *ctx, struct ubus_object *obj,
 818                         struct ubus_request_data *req, const char *method,
 819                         struct blob_attr *msg)
 820 {
 821         struct blob_attr *tb[__VENDOR_ELEMENTS_MAX];
 822         struct hostapd_data *hapd = get_hapd_from_object(obj);
 823         struct hostapd_bss_config *bss = hapd->conf;
 824         struct wpabuf *elems;
 825         const char *pos;
 826         size_t len;
 827
 828         blobmsg_parse(ve_policy, __VENDOR_ELEMENTS_MAX, tb,
 829                       blob_data(msg), blob_len(msg));
 830
 831         if (!tb[VENDOR_ELEMENTS])
 832                 return UBUS_STATUS_INVALID_ARGUMENT;
 833
 834         pos = blobmsg_data(tb[VENDOR_ELEMENTS]);
 835         len = os_strlen(pos);
 836         if (len & 0x01)
 837                         return UBUS_STATUS_INVALID_ARGUMENT;
 838
 839         len /= 2;
 840         if (len == 0) {
 841                 wpabuf_free(bss->vendor_elements);
 842                 bss->vendor_elements = NULL;
 843                 return 0;
 844         }
 845
 846         elems = wpabuf_alloc(len);
 847         if (elems == NULL)
 848                 return 1;
 849
 850         if (hexstr2bin(pos, wpabuf_put(elems, len), len)) {
 851                 wpabuf_free(elems);
 852                 return UBUS_STATUS_INVALID_ARGUMENT;
 853         }
 854
 855         wpabuf_free(bss->vendor_elements);
 856         bss->vendor_elements = elems;
 857
 858         /* update beacons if vendor elements were set successfully */
 859         if (ieee802_11_update_beacons(hapd->iface) != 0)
 860                 return UBUS_STATUS_NOT_SUPPORTED;
 861         return UBUS_STATUS_OK;
 862 }
 863
 864 static void
 865 hostapd_rrm_print_nr(struct hostapd_neighbor_entry *nr)
 866 {
 867         const u8 *data;
 868         char *str;
 869         int len;
 870
 871         blobmsg_printf(&b, "", MACSTR, MAC2STR(nr->bssid));
 872
 873         str = blobmsg_alloc_string_buffer(&b, "", nr->ssid.ssid_len + 1);
 874         memcpy(str, nr->ssid.ssid, nr->ssid.ssid_len);
 875         str[nr->ssid.ssid_len] = 0;
 876         blobmsg_add_string_buffer(&b);
 877
 878         len = wpabuf_len(nr->nr);
 879         str = blobmsg_alloc_string_buffer(&b, "", 2 * len + 1);
 880         wpa_snprintf_hex(str, 2 * len + 1, wpabuf_head_u8(nr->nr), len);
 881         blobmsg_add_string_buffer(&b);
 882 }
 883
 884 enum {
 885         BSS_MGMT_EN_NEIGHBOR,
 886         BSS_MGMT_EN_BEACON,
 887 #ifdef CONFIG_WNM_AP
 888         BSS_MGMT_EN_BSS_TRANSITION,
 889 #endif
 890         __BSS_MGMT_EN_MAX
 891 };
 892
 893 static bool
 894 __hostapd_bss_mgmt_enable_f(struct hostapd_data *hapd, int flag)
 895 {
 896         struct hostapd_bss_config *bss = hapd->conf;
 897         uint32_t flags;
 898
 899         switch (flag) {
 900         case BSS_MGMT_EN_NEIGHBOR:
 901                 if (bss->radio_measurements[0] &
 902                     WLAN_RRM_CAPS_NEIGHBOR_REPORT)
 903                         return false;
 904
 905                 bss->radio_measurements[0] |=
 906                         WLAN_RRM_CAPS_NEIGHBOR_REPORT;
 907                 hostapd_neighbor_set_own_report(hapd);
 908                 return true;
 909         case BSS_MGMT_EN_BEACON:
 910                 flags = WLAN_RRM_CAPS_BEACON_REPORT_PASSIVE |
 911                         WLAN_RRM_CAPS_BEACON_REPORT_ACTIVE |
 912                         WLAN_RRM_CAPS_BEACON_REPORT_TABLE;
 913
 914                 if (bss->radio_measurements[0] & flags == flags)
 915                         return false;
 916
 917                 bss->radio_measurements[0] |= (u8) flags;
 918                 return true;
 919 #ifdef CONFIG_WNM_AP
 920         case BSS_MGMT_EN_BSS_TRANSITION:
 921                 if (bss->bss_transition)
 922                         return false;
 923
 924                 bss->bss_transition = 1;
 925                 return true;
 926 #endif
 927         }
 928 }
 929
 930 static void
 931 __hostapd_bss_mgmt_enable(struct hostapd_data *hapd, uint32_t flags)
 932 {
 933         bool update = false;
 934         int i;
 935
 936         for (i = 0; i < __BSS_MGMT_EN_MAX; i++) {
 937                 if (!(flags & (1 << i)))
 938                         continue;
 939
 940                 update |= __hostapd_bss_mgmt_enable_f(hapd, i);
 941         }
 942
 943         if (update)
 944                 ieee802_11_update_beacons(hapd->iface);
 945 }
 946
 947
 948 static const struct blobmsg_policy bss_mgmt_enable_policy[__BSS_MGMT_EN_MAX] = {
 949         [BSS_MGMT_EN_NEIGHBOR] = { "neighbor_report", BLOBMSG_TYPE_BOOL },
 950         [BSS_MGMT_EN_BEACON] = { "beacon_report", BLOBMSG_TYPE_BOOL },
 951 #ifdef CONFIG_WNM_AP
 952         [BSS_MGMT_EN_BSS_TRANSITION] = { "bss_transition", BLOBMSG_TYPE_BOOL },
 953 #endif
 954 };
 955
 956 static int
 957 hostapd_bss_mgmt_enable(struct ubus_context *ctx, struct ubus_object *obj,
 958                    struct ubus_request_data *req, const char *method,
 959                    struct blob_attr *msg)
 960
 961 {
 962         struct hostapd_data *hapd = get_hapd_from_object(obj);
 963         struct blob_attr *tb[__BSS_MGMT_EN_MAX];
 964         struct blob_attr *cur;
 965         uint32_t flags = 0;
 966         int i;
 967         bool neigh = false, beacon = false;
 968
 969         blobmsg_parse(bss_mgmt_enable_policy, __BSS_MGMT_EN_MAX, tb, blob_data(msg), blob_len(msg));
 970
 971         for (i = 0; i < ARRAY_SIZE(tb); i++) {
 972                 if (!tb[i] || !blobmsg_get_bool(tb[i]))
 973                         continue;
 974
 975                 flags |= (1 << i);
 976         }
 977
 978         __hostapd_bss_mgmt_enable(hapd, flags);
 979 }
 980
 981
 982 static void
 983 hostapd_rrm_nr_enable(struct hostapd_data *hapd)
 984 {
 985         __hostapd_bss_mgmt_enable(hapd, 1 << BSS_MGMT_EN_NEIGHBOR);
 986 }
 987
 988 static int
 989 hostapd_rrm_nr_get_own(struct ubus_context *ctx, struct ubus_object *obj,
 990                        struct ubus_request_data *req, const char *method,
 991                        struct blob_attr *msg)
 992 {
 993         struct hostapd_data *hapd = get_hapd_from_object(obj);
 994         struct hostapd_neighbor_entry *nr;
 995         void *c;
 996
 997         hostapd_rrm_nr_enable(hapd);
 998
 999         nr = hostapd_neighbor_get(hapd, hapd->own_addr, NULL);
1000         if (!nr)
1001                 return UBUS_STATUS_NOT_FOUND;
1002
1003         blob_buf_init(&b, 0);
1004
1005         c = blobmsg_open_array(&b, "value");
1006         hostapd_rrm_print_nr(nr);
1007         blobmsg_close_array(&b, c);
1008
1009         ubus_send_reply(ctx, req, b.head);
1010
1011         return 0;
1012 }
1013
1014 static int
1015 hostapd_rrm_nr_list(struct ubus_context *ctx, struct ubus_object *obj,
1016                     struct ubus_request_data *req, const char *method,
1017                     struct blob_attr *msg)
1018 {
1019         struct hostapd_data *hapd = get_hapd_from_object(obj);
1020         struct hostapd_neighbor_entry *nr;
1021         void *c;
1022
1023         hostapd_rrm_nr_enable(hapd);
1024         blob_buf_init(&b, 0);
1025
1026         c = blobmsg_open_array(&b, "list");
1027         dl_list_for_each(nr, &hapd->nr_db, struct hostapd_neighbor_entry, list) {
1028                 void *cur;
1029
1030                 if (!memcmp(nr->bssid, hapd->own_addr, ETH_ALEN))
1031                         continue;
1032
1033                 cur = blobmsg_open_array(&b, NULL);
1034                 hostapd_rrm_print_nr(nr);
1035                 blobmsg_close_array(&b, cur);
1036         }
1037         blobmsg_close_array(&b, c);
1038
1039         ubus_send_reply(ctx, req, b.head);
1040
1041         return 0;
1042 }
1043
1044 enum {
1045         NR_SET_LIST,
1046         __NR_SET_LIST_MAX
1047 };
1048
1049 static const struct blobmsg_policy nr_set_policy[__NR_SET_LIST_MAX] = {
1050         [NR_SET_LIST] = { "list", BLOBMSG_TYPE_ARRAY },
1051 };
1052
1053
1054 static void
1055 hostapd_rrm_nr_clear(struct hostapd_data *hapd)
1056 {
1057         struct hostapd_neighbor_entry *nr;
1058
1059 restart:
1060         dl_list_for_each(nr, &hapd->nr_db, struct hostapd_neighbor_entry, list) {
1061                 if (!memcmp(nr->bssid, hapd->own_addr, ETH_ALEN))
1062                         continue;
1063
1064                 hostapd_neighbor_remove(hapd, nr->bssid, &nr->ssid);
1065                 goto restart;
1066         }
1067 }
1068
1069 static int
1070 hostapd_rrm_nr_set(struct ubus_context *ctx, struct ubus_object *obj,
1071                    struct ubus_request_data *req, const char *method,
1072                    struct blob_attr *msg)
1073 {
1074         static const struct blobmsg_policy nr_e_policy[] = {
1075                 { .type = BLOBMSG_TYPE_STRING },
1076                 { .type = BLOBMSG_TYPE_STRING },
1077                 { .type = BLOBMSG_TYPE_STRING },
1078         };
1079         struct hostapd_data *hapd = get_hapd_from_object(obj);
1080         struct blob_attr *tb_l[__NR_SET_LIST_MAX];
1081         struct blob_attr *tb[ARRAY_SIZE(nr_e_policy)];
1082         struct blob_attr *cur;
1083         int rem;
1084
1085         hostapd_rrm_nr_enable(hapd);
1086
1087         blobmsg_parse(nr_set_policy, __NR_SET_LIST_MAX, tb_l, blob_data(msg), blob_len(msg));
1088         if (!tb_l[NR_SET_LIST])
1089                 return UBUS_STATUS_INVALID_ARGUMENT;
1090
1091         hostapd_rrm_nr_clear(hapd);
1092         blobmsg_for_each_attr(cur, tb_l[NR_SET_LIST], rem) {
1093                 struct wpa_ssid_value ssid;
1094                 struct wpabuf *data;
1095                 u8 bssid[ETH_ALEN];
1096                 char *s, *nr_s;
1097
1098                 blobmsg_parse_array(nr_e_policy, ARRAY_SIZE(nr_e_policy), tb, blobmsg_data(cur), blobmsg_data_len(cur));
1099                 if (!tb[0] || !tb[1] || !tb[2])
1100                         goto invalid;
1101
1102                 /* Neighbor Report binary */
1103                 nr_s = blobmsg_get_string(tb[2]);
1104                 data = wpabuf_parse_bin(nr_s);
1105                 if (!data)
1106                         goto invalid;
1107
1108                 /* BSSID */
1109                 s = blobmsg_get_string(tb[0]);
1110                 if (strlen(s) == 0) {
1111                         /* Copy BSSID from neighbor report */
1112                         if (hwaddr_compact_aton(nr_s, bssid))
1113                                 goto invalid;
1114                 } else if (hwaddr_aton(s, bssid)) {
1115                         goto invalid;
1116                 }
1117
1118                 /* SSID */
1119                 s = blobmsg_get_string(tb[1]);
1120                 if (strlen(s) == 0) {
1121                         /* Copy SSID from hostapd BSS conf */
1122                         memcpy(&ssid, &hapd->conf->ssid, sizeof(ssid));
1123                 } else {
1124                         ssid.ssid_len = strlen(s);
1125                         if (ssid.ssid_len > sizeof(ssid.ssid))
1126                                 goto invalid;
1127
1128                         memcpy(&ssid, s, ssid.ssid_len);
1129                 }
1130
1131                 hostapd_neighbor_set(hapd, bssid, &ssid, data, NULL, NULL, 0);
1132                 wpabuf_free(data);
1133                 continue;
1134
1135 invalid:
1136                 return UBUS_STATUS_INVALID_ARGUMENT;
1137         }
1138
1139         return 0;
1140 }
1141
1142 enum {
1143         BEACON_REQ_ADDR,
1144         BEACON_REQ_MODE,
1145         BEACON_REQ_OP_CLASS,
1146         BEACON_REQ_CHANNEL,
1147         BEACON_REQ_DURATION,
1148         BEACON_REQ_BSSID,
1149         BEACON_REQ_SSID,
1150         __BEACON_REQ_MAX,
1151 };
1152
1153 static const struct blobmsg_policy beacon_req_policy[__BEACON_REQ_MAX] = {
1154         [BEACON_REQ_ADDR] = { "addr", BLOBMSG_TYPE_STRING },
1155         [BEACON_REQ_OP_CLASS] { "op_class", BLOBMSG_TYPE_INT32 },
1156         [BEACON_REQ_CHANNEL] { "channel", BLOBMSG_TYPE_INT32 },
1157         [BEACON_REQ_DURATION] { "duration", BLOBMSG_TYPE_INT32 },
1158         [BEACON_REQ_MODE] { "mode", BLOBMSG_TYPE_INT32 },
1159         [BEACON_REQ_BSSID] { "bssid", BLOBMSG_TYPE_STRING },
1160         [BEACON_REQ_SSID] { "ssid", BLOBMSG_TYPE_STRING },
1161 };
1162
1163 static int
1164 hostapd_rrm_beacon_req(struct ubus_context *ctx, struct ubus_object *obj,
1165                        struct ubus_request_data *ureq, const char *method,
1166                        struct blob_attr *msg)
1167 {
1168         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
1169         struct blob_attr *tb[__BEACON_REQ_MAX];
1170         struct blob_attr *cur;
1171         struct wpabuf *req;
1172         u8 bssid[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1173         u8 addr[ETH_ALEN];
1174         int mode, rem, ret;
1175         int buf_len = 13;
1176
1177         blobmsg_parse(beacon_req_policy, __BEACON_REQ_MAX, tb, blob_data(msg), blob_len(msg));
1178
1179         if (!tb[BEACON_REQ_ADDR] || !tb[BEACON_REQ_MODE] || !tb[BEACON_REQ_DURATION] ||
1180             !tb[BEACON_REQ_OP_CLASS] || !tb[BEACON_REQ_CHANNEL])
1181                 return UBUS_STATUS_INVALID_ARGUMENT;
1182
1183         if (tb[BEACON_REQ_SSID])
1184                 buf_len += blobmsg_data_len(tb[BEACON_REQ_SSID]) + 2 - 1;
1185
1186         mode = blobmsg_get_u32(tb[BEACON_REQ_MODE]);
1187         if (hwaddr_aton(blobmsg_data(tb[BEACON_REQ_ADDR]), addr))
1188                 return UBUS_STATUS_INVALID_ARGUMENT;
1189
1190         if (tb[BEACON_REQ_BSSID] &&
1191             hwaddr_aton(blobmsg_data(tb[BEACON_REQ_BSSID]), bssid))
1192                 return UBUS_STATUS_INVALID_ARGUMENT;
1193
1194         req = wpabuf_alloc(buf_len);
1195         if (!req)
1196                 return UBUS_STATUS_UNKNOWN_ERROR;
1197
1198         /* 1: regulatory class */
1199         wpabuf_put_u8(req, blobmsg_get_u32(tb[BEACON_REQ_OP_CLASS]));
1200
1201         /* 2: channel number */
1202         wpabuf_put_u8(req, blobmsg_get_u32(tb[BEACON_REQ_CHANNEL]));
1203
1204         /* 3-4: randomization interval */
1205         wpabuf_put_le16(req, 0);
1206
1207         /* 5-6: duration */
1208         wpabuf_put_le16(req, blobmsg_get_u32(tb[BEACON_REQ_DURATION]));
1209
1210         /* 7: mode */
1211         wpabuf_put_u8(req, blobmsg_get_u32(tb[BEACON_REQ_MODE]));
1212
1213         /* 8-13: BSSID */
1214         wpabuf_put_data(req, bssid, ETH_ALEN);
1215
1216         if ((cur = tb[BEACON_REQ_SSID]) != NULL) {
1217                 wpabuf_put_u8(req, WLAN_EID_SSID);
1218                 wpabuf_put_u8(req, blobmsg_data_len(cur) - 1);
1219                 wpabuf_put_data(req, blobmsg_data(cur), blobmsg_data_len(cur) - 1);
1220         }
1221
1222         ret = hostapd_send_beacon_req(hapd, addr, 0, req);
1223         if (ret < 0)
1224                 return -ret;
1225
1226         return 0;
1227 }
1228
1229
1230 #ifdef CONFIG_WNM_AP
1231 enum {
1232         WNM_DISASSOC_ADDR,
1233         WNM_DISASSOC_DURATION,
1234         WNM_DISASSOC_NEIGHBORS,
1235         WNM_DISASSOC_ABRIDGED,
1236         __WNM_DISASSOC_MAX,
1237 };
1238
1239 static const struct blobmsg_policy wnm_disassoc_policy[__WNM_DISASSOC_MAX] = {
1240         [WNM_DISASSOC_ADDR] = { "addr", BLOBMSG_TYPE_STRING },
1241         [WNM_DISASSOC_DURATION] { "duration", BLOBMSG_TYPE_INT32 },
1242         [WNM_DISASSOC_NEIGHBORS] { "neighbors", BLOBMSG_TYPE_ARRAY },
1243         [WNM_DISASSOC_ABRIDGED] { "abridged", BLOBMSG_TYPE_BOOL },
1244 };
1245
1246 static int
1247 hostapd_wnm_disassoc_imminent(struct ubus_context *ctx, struct ubus_object *obj,
1248                               struct ubus_request_data *ureq, const char *method,
1249                               struct blob_attr *msg)
1250 {
1251         struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
1252         struct blob_attr *tb[__WNM_DISASSOC_MAX];
1253         struct blob_attr *cur;
1254         struct sta_info *sta;
1255         int duration = 10;
1256         int rem;
1257         int nr_len = 0;
1258         u8 *nr = NULL;
1259         u8 req_mode = WNM_BSS_TM_REQ_DISASSOC_IMMINENT;
1260         u8 addr[ETH_ALEN];
1261
1262         blobmsg_parse(wnm_disassoc_policy, __WNM_DISASSOC_MAX, tb, blob_data(msg), blob_len(msg));
1263
1264         if (!tb[WNM_DISASSOC_ADDR])
1265                 return UBUS_STATUS_INVALID_ARGUMENT;
1266
1267         if (hwaddr_aton(blobmsg_data(tb[WNM_DISASSOC_ADDR]), addr))
1268                 return UBUS_STATUS_INVALID_ARGUMENT;
1269
1270         if ((cur = tb[WNM_DISASSOC_DURATION]) != NULL)
1271                 duration = blobmsg_get_u32(cur);
1272
1273         sta = ap_get_sta(hapd, addr);
1274         if (!sta)
1275                 return UBUS_STATUS_NOT_FOUND;
1276
1277         if (tb[WNM_DISASSOC_NEIGHBORS]) {
1278                 u8 *nr_cur;
1279
1280                 if (blobmsg_check_array(tb[WNM_DISASSOC_NEIGHBORS],
1281                                         BLOBMSG_TYPE_STRING) < 0)
1282                         return UBUS_STATUS_INVALID_ARGUMENT;
1283
1284                 blobmsg_for_each_attr(cur, tb[WNM_DISASSOC_NEIGHBORS], rem) {
1285                         int len = strlen(blobmsg_get_string(cur));
1286
1287                         if (len % 2)
1288                                 return UBUS_STATUS_INVALID_ARGUMENT;
1289
1290                         nr_len += (len / 2) + 2;
1291                 }
1292
1293                 if (nr_len) {
1294                         nr = os_zalloc(nr_len);
1295                         if (!nr)
1296                                 return UBUS_STATUS_UNKNOWN_ERROR;
1297                 }
1298
1299                 nr_cur = nr;
1300                 blobmsg_for_each_attr(cur, tb[WNM_DISASSOC_NEIGHBORS], rem) {
1301                         int len = strlen(blobmsg_get_string(cur)) / 2;
1302
1303                         *nr_cur++ = WLAN_EID_NEIGHBOR_REPORT;
1304                         *nr_cur++ = (u8) len;
1305                         if (hexstr2bin(blobmsg_data(cur), nr_cur, len)) {
1306                                 free(nr);
1307                                 return UBUS_STATUS_INVALID_ARGUMENT;
1308                         }
1309
1310                         nr_cur += len;
1311                 }
1312         }
1313
1314         if (nr)
1315                 req_mode |= WNM_BSS_TM_REQ_PREF_CAND_LIST_INCLUDED;
1316
1317         if (tb[WNM_DISASSOC_ABRIDGED] && blobmsg_get_bool(tb[WNM_DISASSOC_ABRIDGED]))
1318                 req_mode |= WNM_BSS_TM_REQ_ABRIDGED;
1319
1320         if (wnm_send_bss_tm_req(hapd, sta, req_mode, duration, duration, NULL,
1321                                 NULL, nr, nr_len, NULL, 0))
1322                 return UBUS_STATUS_UNKNOWN_ERROR;
1323
1324         return 0;
1325 }
1326 #endif
1327
1328 static const struct ubus_method bss_methods[] = {
1329         UBUS_METHOD_NOARG("reload", hostapd_bss_reload),
1330         UBUS_METHOD_NOARG("get_clients", hostapd_bss_get_clients),
1331         UBUS_METHOD_NOARG("get_status", hostapd_bss_get_status),
1332         UBUS_METHOD("del_client", hostapd_bss_del_client, del_policy),
1333         UBUS_METHOD_NOARG("list_bans", hostapd_bss_list_bans),
1334 #ifdef CONFIG_WPS
1335         UBUS_METHOD_NOARG("wps_start", hostapd_bss_wps_start),
1336         UBUS_METHOD_NOARG("wps_status", hostapd_bss_wps_status),
1337         UBUS_METHOD_NOARG("wps_cancel", hostapd_bss_wps_cancel),
1338 #endif
1339         UBUS_METHOD_NOARG("update_beacon", hostapd_bss_update_beacon),
1340         UBUS_METHOD_NOARG("get_features", hostapd_bss_get_features),
1341 #ifdef NEED_AP_MLME
1342         UBUS_METHOD("switch_chan", hostapd_switch_chan, csa_policy),
1343 #endif
1344         UBUS_METHOD("set_vendor_elements", hostapd_vendor_elements, ve_policy),
1345         UBUS_METHOD("notify_response", hostapd_notify_response, notify_policy),
1346         UBUS_METHOD("bss_mgmt_enable", hostapd_bss_mgmt_enable, bss_mgmt_enable_policy),
1347         UBUS_METHOD_NOARG("rrm_nr_get_own", hostapd_rrm_nr_get_own),
1348         UBUS_METHOD_NOARG("rrm_nr_list", hostapd_rrm_nr_list),
1349         UBUS_METHOD("rrm_nr_set", hostapd_rrm_nr_set, nr_set_policy),
1350         UBUS_METHOD("rrm_beacon_req", hostapd_rrm_beacon_req, beacon_req_policy),
1351 #ifdef CONFIG_WNM_AP
1352         UBUS_METHOD("wnm_disassoc_imminent", hostapd_wnm_disassoc_imminent, wnm_disassoc_policy),
1353 #endif
1354 };
1355
1356 static struct ubus_object_type bss_object_type =
1357         UBUS_OBJECT_TYPE("hostapd_bss", bss_methods);
1358
1359 static int avl_compare_macaddr(const void *k1, const void *k2, void *ptr)
1360 {
1361         return memcmp(k1, k2, ETH_ALEN);
1362 }
1363
1364 void hostapd_ubus_add_bss(struct hostapd_data *hapd)
1365 {
1366         struct ubus_object *obj = &hapd->ubus.obj;
1367         char *name;
1368         int ret;
1369
1370 #ifdef CONFIG_MESH
1371         if (hapd->conf->mesh & MESH_ENABLED)
1372                 return;
1373 #endif
1374
1375         if (!hostapd_ubus_init())
1376                 return;
1377
1378         if (asprintf(&name, "hostapd.%s", hapd->conf->iface) < 0)
1379                 return;
1380
1381         avl_init(&hapd->ubus.banned, avl_compare_macaddr, false, NULL);
1382         obj->name = name;
1383         obj->type = &bss_object_type;
1384         obj->methods = bss_object_type.methods;
1385         obj->n_methods = bss_object_type.n_methods;
1386         ret = ubus_add_object(ctx, obj);
1387         hostapd_ubus_ref_inc();
1388
1389         hostapd_send_shared_event(&hapd->iface->interfaces->ubus, hapd->conf->iface, "add");
1390 }
1391
1392 void hostapd_ubus_free_bss(struct hostapd_data *hapd)
1393 {
1394         struct ubus_object *obj = &hapd->ubus.obj;
1395         char *name = (char *) obj->name;
1396
1397         if (!ctx)
1398                 return;
1399
1400         hostapd_send_shared_event(&hapd->iface->interfaces->ubus, hapd->conf->iface, "remove");
1401
1402         if (obj->id) {
1403                 ubus_remove_object(ctx, obj);
1404                 hostapd_ubus_ref_dec();
1405         }
1406
1407         free(name);
1408 }
1409
1410 static void
1411 hostapd_ubus_vlan_action(struct hostapd_data *hapd, struct hostapd_vlan *vlan,
1412                          const char *action)
1413 {
1414         struct vlan_description *desc = &vlan->vlan_desc;
1415         void *c;
1416         int i;
1417
1418         if (!hapd->ubus.obj.has_subscribers)
1419                 return;
1420
1421         blob_buf_init(&b, 0);
1422         blobmsg_add_string(&b, "ifname", vlan->ifname);
1423         blobmsg_add_string(&b, "bridge", vlan->bridge);
1424         blobmsg_add_u32(&b, "vlan_id", vlan->vlan_id);
1425
1426         if (desc->notempty) {
1427                 blobmsg_add_u32(&b, "untagged", desc->untagged);
1428                 c = blobmsg_open_array(&b, "tagged");
1429                 for (i = 0; i < ARRAY_SIZE(desc->tagged) && desc->tagged[i]; i++)
1430                         blobmsg_add_u32(&b, "", desc->tagged[i]);
1431                 blobmsg_close_array(&b, c);
1432         }
1433
1434         ubus_notify(ctx, &hapd->ubus.obj, action, b.head, -1);
1435 }
1436
1437 void hostapd_ubus_add_vlan(struct hostapd_data *hapd, struct hostapd_vlan *vlan)
1438 {
1439         hostapd_ubus_vlan_action(hapd, vlan, "vlan_add");
1440 }
1441
1442 void hostapd_ubus_remove_vlan(struct hostapd_data *hapd, struct hostapd_vlan *vlan)
1443 {
1444         hostapd_ubus_vlan_action(hapd, vlan, "vlan_remove");
1445 }
1446
1447 static const struct ubus_method daemon_methods[] = {
1448         UBUS_METHOD("config_add", hostapd_config_add, config_add_policy),
1449         UBUS_METHOD("config_remove", hostapd_config_remove, config_remove_policy),
1450 };
1451
1452 static struct ubus_object_type daemon_object_type =
1453         UBUS_OBJECT_TYPE("hostapd", daemon_methods);
1454
1455 void hostapd_ubus_add(struct hapd_interfaces *interfaces)
1456 {
1457         struct ubus_object *obj = &interfaces->ubus;
1458         int ret;
1459
1460         if (!hostapd_ubus_init())
1461                 return;
1462
1463         obj->name = strdup("hostapd");
1464
1465         obj->type = &daemon_object_type;
1466         obj->methods = daemon_object_type.methods;
1467         obj->n_methods = daemon_object_type.n_methods;
1468         ret = ubus_add_object(ctx, obj);
1469         hostapd_ubus_ref_inc();
1470 }
1471
1472 void hostapd_ubus_free(struct hapd_interfaces *interfaces)
1473 {
1474         struct ubus_object *obj = &interfaces->ubus;
1475         char *name = (char *) obj->name;
1476
1477         if (!ctx)
1478                 return;
1479
1480         if (obj->id) {
1481                 ubus_remove_object(ctx, obj);
1482                 hostapd_ubus_ref_dec();
1483         }
1484
1485         free(name);
1486 }
1487
1488 struct ubus_event_req {
1489         struct ubus_notify_request nreq;
1490         int resp;
1491 };
1492
1493 static void
1494 ubus_event_cb(struct ubus_notify_request *req, int idx, int ret)
1495 {
1496         struct ubus_event_req *ureq = container_of(req, struct ubus_event_req, nreq);
1497
1498         ureq->resp = ret;
1499 }
1500
1501 int hostapd_ubus_handle_event(struct hostapd_data *hapd, struct hostapd_ubus_request *req)
1502 {
1503         struct ubus_banned_client *ban;
1504         const char *types[HOSTAPD_UBUS_TYPE_MAX] = {
1505                 [HOSTAPD_UBUS_PROBE_REQ] = "probe",
1506                 [HOSTAPD_UBUS_AUTH_REQ] = "auth",
1507                 [HOSTAPD_UBUS_ASSOC_REQ] = "assoc",
1508         };
1509         const char *type = "mgmt";
1510         struct ubus_event_req ureq = {};
1511         const u8 *addr;
1512
1513         if (req->mgmt_frame)
1514                 addr = req->mgmt_frame->sa;
1515         else
1516                 addr = req->addr;
1517
1518         ban = avl_find_element(&hapd->ubus.banned, addr, ban, avl);
1519         if (ban)
1520                 return WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
1521
1522         if (!hapd->ubus.obj.has_subscribers)
1523                 return WLAN_STATUS_SUCCESS;
1524
1525         if (req->type < ARRAY_SIZE(types))
1526                 type = types[req->type];
1527
1528         blob_buf_init(&b, 0);
1529         blobmsg_add_macaddr(&b, "address", addr);
1530         if (req->mgmt_frame)
1531                 blobmsg_add_macaddr(&b, "target", req->mgmt_frame->da);
1532         if (req->ssi_signal)
1533                 blobmsg_add_u32(&b, "signal", req->ssi_signal);
1534         blobmsg_add_u32(&b, "freq", hapd->iface->freq);
1535
1536         if (req->elems) {
1537                 if(req->elems->ht_capabilities)
1538                 {
1539                         struct ieee80211_ht_capabilities *ht_capabilities;
1540                         void *ht_cap, *ht_cap_mcs_set, *mcs_set;
1541
1542
1543                         ht_capabilities = (struct ieee80211_ht_capabilities*) req->elems->ht_capabilities;
1544                         ht_cap = blobmsg_open_table(&b, "ht_capabilities");
1545                         blobmsg_add_u16(&b, "ht_capabilities_info", ht_capabilities->ht_capabilities_info);
1546                         ht_cap_mcs_set = blobmsg_open_table(&b, "supported_mcs_set");
1547                         blobmsg_add_u16(&b, "a_mpdu_params", ht_capabilities->a_mpdu_params);
1548                         blobmsg_add_u16(&b, "ht_extended_capabilities", ht_capabilities->ht_extended_capabilities);
1549                         blobmsg_add_u32(&b, "tx_bf_capability_info", ht_capabilities->tx_bf_capability_info);
1550                         blobmsg_add_u16(&b, "asel_capabilities", ht_capabilities->asel_capabilities);
1551                         mcs_set = blobmsg_open_array(&b, "supported_mcs_set");
1552                         for (int i = 0; i < 16; i++) {
1553                                 blobmsg_add_u16(&b, NULL, (u16) ht_capabilities->supported_mcs_set[i]);
1554                         }
1555                         blobmsg_close_array(&b, mcs_set);
1556                         blobmsg_close_table(&b, ht_cap_mcs_set);
1557                         blobmsg_close_table(&b, ht_cap);
1558                 }
1559                 if(req->elems->vht_capabilities)
1560                 {
1561                         struct ieee80211_vht_capabilities *vht_capabilities;
1562                         void *vht_cap, *vht_cap_mcs_set;
1563
1564                         vht_capabilities = (struct ieee80211_vht_capabilities*) req->elems->vht_capabilities;
1565                         vht_cap = blobmsg_open_table(&b, "vht_capabilities");
1566                         blobmsg_add_u32(&b, "vht_capabilities_info", vht_capabilities->vht_capabilities_info);
1567                         vht_cap_mcs_set = blobmsg_open_table(&b, "vht_supported_mcs_set");
1568                         blobmsg_add_u16(&b, "rx_map", vht_capabilities->vht_supported_mcs_set.rx_map);
1569                         blobmsg_add_u16(&b, "rx_highest", vht_capabilities->vht_supported_mcs_set.rx_highest);
1570                         blobmsg_add_u16(&b, "tx_map", vht_capabilities->vht_supported_mcs_set.tx_map);
1571                         blobmsg_add_u16(&b, "tx_highest", vht_capabilities->vht_supported_mcs_set.tx_highest);
1572                         blobmsg_close_table(&b, vht_cap_mcs_set);
1573                         blobmsg_close_table(&b, vht_cap);
1574                 }
1575         }
1576
1577         if (!hapd->ubus.notify_response) {
1578                 ubus_notify(ctx, &hapd->ubus.obj, type, b.head, -1);
1579                 return WLAN_STATUS_SUCCESS;
1580         }
1581
1582         if (ubus_notify_async(ctx, &hapd->ubus.obj, type, b.head, &ureq.nreq))
1583                 return WLAN_STATUS_SUCCESS;
1584
1585         ureq.nreq.status_cb = ubus_event_cb;
1586         ubus_complete_request(ctx, &ureq.nreq.req, 100);
1587
1588         if (ureq.resp)
1589                 return ureq.resp;
1590
1591         return WLAN_STATUS_SUCCESS;
1592 }
1593
1594 void hostapd_ubus_notify(struct hostapd_data *hapd, const char *type, const u8 *addr)
1595 {
1596         if (!hapd->ubus.obj.has_subscribers)
1597                 return;
1598
1599         if (!addr)
1600                 return;
1601
1602         blob_buf_init(&b, 0);
1603         blobmsg_add_macaddr(&b, "address", addr);
1604
1605         ubus_notify(ctx, &hapd->ubus.obj, type, b.head, -1);
1606 }
1607
1608 void hostapd_ubus_notify_beacon_report(
1609         struct hostapd_data *hapd, const u8 *addr, u8 token, u8 rep_mode,
1610         struct rrm_measurement_beacon_report *rep, size_t len)
1611 {
1612         if (!hapd->ubus.obj.has_subscribers)
1613                 return;
1614
1615         if (!addr || !rep)
1616                 return;
1617
1618         blob_buf_init(&b, 0);
1619         blobmsg_add_macaddr(&b, "address", addr);
1620         blobmsg_add_u16(&b, "op-class", rep->op_class);
1621         blobmsg_add_u16(&b, "channel", rep->channel);
1622         blobmsg_add_u64(&b, "start-time", rep->start_time);
1623         blobmsg_add_u16(&b, "duration", rep->duration);
1624         blobmsg_add_u16(&b, "report-info", rep->report_info);
1625         blobmsg_add_u16(&b, "rcpi", rep->rcpi);
1626         blobmsg_add_u16(&b, "rsni", rep->rsni);
1627         blobmsg_add_macaddr(&b, "bssid", rep->bssid);
1628         blobmsg_add_u16(&b, "antenna-id", rep->antenna_id);
1629         blobmsg_add_u16(&b, "parent-tsf", rep->parent_tsf);
1630
1631         ubus_notify(ctx, &hapd->ubus.obj, "beacon-report", b.head, -1);
1632 }
1633
1634 void hostapd_ubus_notify_radar_detected(struct hostapd_iface *iface, int frequency,
1635                                         int chan_width, int cf1, int cf2)
1636 {
1637         struct hostapd_data *hapd;
1638         int i;
1639
1640         if (!hapd->ubus.obj.has_subscribers)
1641                 return;
1642
1643         blob_buf_init(&b, 0);
1644         blobmsg_add_u16(&b, "frequency", frequency);
1645         blobmsg_add_u16(&b, "width", chan_width);
1646         blobmsg_add_u16(&b, "center1", cf1);
1647         blobmsg_add_u16(&b, "center2", cf2);
1648
1649         for (i = 0; i < iface->num_bss; i++) {
1650                 hapd = iface->bss[i];
1651                 ubus_notify(ctx, &hapd->ubus.obj, "radar-detected", b.head, -1);
1652         }
1653 }