src/ap/wpa_auth_glue.c

   1 /*
   2  * hostapd / WPA authenticator glue code
   3  * Copyright (c) 2002-2012, Jouni Malinen <j@w1.fi>
   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
  11 #include "utils/common.h"
  12 #include "common/ieee802_11_defs.h"
  13 #include "common/sae.h"
  14 #include "common/wpa_ctrl.h"
  15 #include "eapol_auth/eapol_auth_sm.h"
  16 #include "eapol_auth/eapol_auth_sm_i.h"
  17 #include "eap_server/eap.h"
  18 #include "l2_packet/l2_packet.h"
  19 #include "hostapd.h"
  20 #include "ieee802_1x.h"
  21 #include "preauth_auth.h"
  22 #include "sta_info.h"
  23 #include "tkip_countermeasures.h"
  24 #include "ap_drv_ops.h"
  25 #include "ap_config.h"
  26 #include "wpa_auth.h"
  27 #include "wpa_auth_glue.h"
  28
  29
  30 static void hostapd_wpa_auth_conf(struct hostapd_bss_config *conf,
  31                                   struct hostapd_config *iconf,
  32                                   struct wpa_auth_config *wconf)
  33 {
  34         os_memset(wconf, 0, sizeof(*wconf));
  35         wconf->wpa = conf->wpa;
  36         wconf->wpa_key_mgmt = conf->wpa_key_mgmt;
  37         wconf->wpa_pairwise = conf->wpa_pairwise;
  38         wconf->wpa_group = conf->wpa_group;
  39         wconf->wpa_group_rekey = conf->wpa_group_rekey;
  40         wconf->wpa_strict_rekey = conf->wpa_strict_rekey;
  41         wconf->wpa_gmk_rekey = conf->wpa_gmk_rekey;
  42         wconf->wpa_ptk_rekey = conf->wpa_ptk_rekey;
  43         wconf->rsn_pairwise = conf->rsn_pairwise;
  44         wconf->rsn_preauth = conf->rsn_preauth;
  45         wconf->eapol_version = conf->eapol_version;
  46         wconf->peerkey = conf->peerkey;
  47         wconf->wmm_enabled = conf->wmm_enabled;
  48         wconf->wmm_uapsd = conf->wmm_uapsd;
  49         wconf->disable_pmksa_caching = conf->disable_pmksa_caching;
  50         wconf->okc = conf->okc;
  51 #ifdef CONFIG_IEEE80211W
  52         wconf->ieee80211w = conf->ieee80211w;
  53         wconf->group_mgmt_cipher = conf->group_mgmt_cipher;
  54 #endif /* CONFIG_IEEE80211W */
  55 #ifdef CONFIG_IEEE80211R
  56         wconf->ssid_len = conf->ssid.ssid_len;
  57         if (wconf->ssid_len > SSID_MAX_LEN)
  58                 wconf->ssid_len = SSID_MAX_LEN;
  59         os_memcpy(wconf->ssid, conf->ssid.ssid, wconf->ssid_len);
  60         os_memcpy(wconf->mobility_domain, conf->mobility_domain,
  61                   MOBILITY_DOMAIN_ID_LEN);
  62         if (conf->nas_identifier &&
  63             os_strlen(conf->nas_identifier) <= FT_R0KH_ID_MAX_LEN) {
  64                 wconf->r0_key_holder_len = os_strlen(conf->nas_identifier);
  65                 os_memcpy(wconf->r0_key_holder, conf->nas_identifier,
  66                           wconf->r0_key_holder_len);
  67         }
  68         os_memcpy(wconf->r1_key_holder, conf->r1_key_holder, FT_R1KH_ID_LEN);
  69         wconf->r0_key_lifetime = conf->r0_key_lifetime;
  70         wconf->reassociation_deadline = conf->reassociation_deadline;
  71         wconf->r0kh_list = conf->r0kh_list;
  72         wconf->r1kh_list = conf->r1kh_list;
  73         wconf->pmk_r1_push = conf->pmk_r1_push;
  74         wconf->ft_over_ds = conf->ft_over_ds;
  75 #endif /* CONFIG_IEEE80211R */
  76 #ifdef CONFIG_HS20
  77         wconf->disable_gtk = conf->disable_dgaf;
  78         if (conf->osen) {
  79                 wconf->disable_gtk = 1;
  80                 wconf->wpa = WPA_PROTO_OSEN;
  81                 wconf->wpa_key_mgmt = WPA_KEY_MGMT_OSEN;
  82                 wconf->wpa_pairwise = 0;
  83                 wconf->wpa_group = WPA_CIPHER_CCMP;
  84                 wconf->rsn_pairwise = WPA_CIPHER_CCMP;
  85                 wconf->rsn_preauth = 0;
  86                 wconf->disable_pmksa_caching = 1;
  87 #ifdef CONFIG_IEEE80211W
  88                 wconf->ieee80211w = 1;
  89 #endif /* CONFIG_IEEE80211W */
  90         }
  91 #endif /* CONFIG_HS20 */
  92 #ifdef CONFIG_TESTING_OPTIONS
  93         wconf->corrupt_gtk_rekey_mic_probability =
  94                 iconf->corrupt_gtk_rekey_mic_probability;
  95         if (conf->own_ie_override &&
  96             wpabuf_len(conf->own_ie_override) <= MAX_OWN_IE_OVERRIDE) {
  97                 wconf->own_ie_override_len = wpabuf_len(conf->own_ie_override);
  98                 os_memcpy(wconf->own_ie_override,
  99                           wpabuf_head(conf->own_ie_override),
 100                           wconf->own_ie_override_len);
 101         }
 102 #endif /* CONFIG_TESTING_OPTIONS */
 103 #ifdef CONFIG_P2P
 104         os_memcpy(wconf->ip_addr_go, conf->ip_addr_go, 4);
 105         os_memcpy(wconf->ip_addr_mask, conf->ip_addr_mask, 4);
 106         os_memcpy(wconf->ip_addr_start, conf->ip_addr_start, 4);
 107         os_memcpy(wconf->ip_addr_end, conf->ip_addr_end, 4);
 108 #endif /* CONFIG_P2P */
 109 }
 110
 111
 112 static void hostapd_wpa_auth_logger(void *ctx, const u8 *addr,
 113                                     logger_level level, const char *txt)
 114 {
 115 #ifndef CONFIG_NO_HOSTAPD_LOGGER
 116         struct hostapd_data *hapd = ctx;
 117         int hlevel;
 118
 119         switch (level) {
 120         case LOGGER_WARNING:
 121                 hlevel = HOSTAPD_LEVEL_WARNING;
 122                 break;
 123         case LOGGER_INFO:
 124                 hlevel = HOSTAPD_LEVEL_INFO;
 125                 break;
 126         case LOGGER_DEBUG:
 127         default:
 128                 hlevel = HOSTAPD_LEVEL_DEBUG;
 129                 break;
 130         }
 131
 132         hostapd_logger(hapd, addr, HOSTAPD_MODULE_WPA, hlevel, "%s", txt);
 133 #endif /* CONFIG_NO_HOSTAPD_LOGGER */
 134 }
 135
 136
 137 static void hostapd_wpa_auth_disconnect(void *ctx, const u8 *addr,
 138                                         u16 reason)
 139 {
 140         struct hostapd_data *hapd = ctx;
 141         wpa_printf(MSG_DEBUG, "%s: WPA authenticator requests disconnect: "
 142                    "STA " MACSTR " reason %d",
 143                    __func__, MAC2STR(addr), reason);
 144         ap_sta_disconnect(hapd, NULL, addr, reason);
 145 }
 146
 147
 148 static int hostapd_wpa_auth_mic_failure_report(void *ctx, const u8 *addr)
 149 {
 150         struct hostapd_data *hapd = ctx;
 151         return michael_mic_failure(hapd, addr, 0);
 152 }
 153
 154
 155 static void hostapd_wpa_auth_psk_failure_report(void *ctx, const u8 *addr)
 156 {
 157         struct hostapd_data *hapd = ctx;
 158         wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_POSSIBLE_PSK_MISMATCH MACSTR,
 159                 MAC2STR(addr));
 160 }
 161
 162
 163 static void hostapd_wpa_auth_set_eapol(void *ctx, const u8 *addr,
 164                                        wpa_eapol_variable var, int value)
 165 {
 166         struct hostapd_data *hapd = ctx;
 167         struct sta_info *sta = ap_get_sta(hapd, addr);
 168         if (sta == NULL)
 169                 return;
 170         switch (var) {
 171         case WPA_EAPOL_portEnabled:
 172                 ieee802_1x_notify_port_enabled(sta->eapol_sm, value);
 173                 break;
 174         case WPA_EAPOL_portValid:
 175                 ieee802_1x_notify_port_valid(sta->eapol_sm, value);
 176                 break;
 177         case WPA_EAPOL_authorized:
 178                 ieee802_1x_set_sta_authorized(hapd, sta, value);
 179                 break;
 180         case WPA_EAPOL_portControl_Auto:
 181                 if (sta->eapol_sm)
 182                         sta->eapol_sm->portControl = Auto;
 183                 break;
 184         case WPA_EAPOL_keyRun:
 185                 if (sta->eapol_sm)
 186                         sta->eapol_sm->keyRun = value ? TRUE : FALSE;
 187                 break;
 188         case WPA_EAPOL_keyAvailable:
 189                 if (sta->eapol_sm)
 190                         sta->eapol_sm->eap_if->eapKeyAvailable =
 191                                 value ? TRUE : FALSE;
 192                 break;
 193         case WPA_EAPOL_keyDone:
 194                 if (sta->eapol_sm)
 195                         sta->eapol_sm->keyDone = value ? TRUE : FALSE;
 196                 break;
 197         case WPA_EAPOL_inc_EapolFramesTx:
 198                 if (sta->eapol_sm)
 199                         sta->eapol_sm->dot1xAuthEapolFramesTx++;
 200                 break;
 201         }
 202 }
 203
 204
 205 static int hostapd_wpa_auth_get_eapol(void *ctx, const u8 *addr,
 206                                       wpa_eapol_variable var)
 207 {
 208         struct hostapd_data *hapd = ctx;
 209         struct sta_info *sta = ap_get_sta(hapd, addr);
 210         if (sta == NULL || sta->eapol_sm == NULL)
 211                 return -1;
 212         switch (var) {
 213         case WPA_EAPOL_keyRun:
 214                 return sta->eapol_sm->keyRun;
 215         case WPA_EAPOL_keyAvailable:
 216                 return sta->eapol_sm->eap_if->eapKeyAvailable;
 217         default:
 218                 return -1;
 219         }
 220 }
 221
 222
 223 static const u8 * hostapd_wpa_auth_get_psk(void *ctx, const u8 *addr,
 224                                            const u8 *p2p_dev_addr,
 225                                            const u8 *prev_psk)
 226 {
 227         struct hostapd_data *hapd = ctx;
 228         struct sta_info *sta = ap_get_sta(hapd, addr);
 229         const u8 *psk;
 230
 231 #ifdef CONFIG_SAE
 232         if (sta && sta->auth_alg == WLAN_AUTH_SAE) {
 233                 if (!sta->sae || prev_psk)
 234                         return NULL;
 235                 return sta->sae->pmk;
 236         }
 237 #endif /* CONFIG_SAE */
 238
 239         psk = hostapd_get_psk(hapd->conf, addr, p2p_dev_addr, prev_psk);
 240         /*
 241          * This is about to iterate over all psks, prev_psk gives the last
 242          * returned psk which should not be returned again.
 243          * logic list (all hostapd_get_psk; all sta->psk)
 244          */
 245         if (sta && sta->psk && !psk) {
 246                 struct hostapd_sta_wpa_psk_short *pos;
 247                 psk = sta->psk->psk;
 248                 for (pos = sta->psk; pos; pos = pos->next) {
 249                         if (pos->psk == prev_psk) {
 250                                 psk = pos->next ? pos->next->psk : NULL;
 251                                 break;
 252                         }
 253                 }
 254         }
 255         return psk;
 256 }
 257
 258
 259 static int hostapd_wpa_auth_get_msk(void *ctx, const u8 *addr, u8 *msk,
 260                                     size_t *len)
 261 {
 262         struct hostapd_data *hapd = ctx;
 263         const u8 *key;
 264         size_t keylen;
 265         struct sta_info *sta;
 266
 267         sta = ap_get_sta(hapd, addr);
 268         if (sta == NULL) {
 269                 wpa_printf(MSG_DEBUG, "AUTH_GET_MSK: Cannot find STA");
 270                 return -1;
 271         }
 272
 273         key = ieee802_1x_get_key(sta->eapol_sm, &keylen);
 274         if (key == NULL) {
 275                 wpa_printf(MSG_DEBUG, "AUTH_GET_MSK: Key is null, eapol_sm: %p",
 276                            sta->eapol_sm);
 277                 return -1;
 278         }
 279
 280         if (keylen > *len)
 281                 keylen = *len;
 282         os_memcpy(msk, key, keylen);
 283         *len = keylen;
 284
 285         return 0;
 286 }
 287
 288
 289 static int hostapd_wpa_auth_set_key(void *ctx, int vlan_id, enum wpa_alg alg,
 290                                     const u8 *addr, int idx, u8 *key,
 291                                     size_t key_len)
 292 {
 293         struct hostapd_data *hapd = ctx;
 294         const char *ifname = hapd->conf->iface;
 295
 296         if (vlan_id > 0) {
 297                 ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan, vlan_id);
 298                 if (ifname == NULL)
 299                         return -1;
 300         }
 301
 302         return hostapd_drv_set_key(ifname, hapd, alg, addr, idx, 1, NULL, 0,
 303                                    key, key_len);
 304 }
 305
 306
 307 static int hostapd_wpa_auth_get_seqnum(void *ctx, const u8 *addr, int idx,
 308                                        u8 *seq)
 309 {
 310         struct hostapd_data *hapd = ctx;
 311         return hostapd_get_seqnum(hapd->conf->iface, hapd, addr, idx, seq);
 312 }
 313
 314
 315 static int hostapd_wpa_auth_send_eapol(void *ctx, const u8 *addr,
 316                                        const u8 *data, size_t data_len,
 317                                        int encrypt)
 318 {
 319         struct hostapd_data *hapd = ctx;
 320         struct sta_info *sta;
 321         u32 flags = 0;
 322
 323 #ifdef CONFIG_TESTING_OPTIONS
 324         if (hapd->ext_eapol_frame_io) {
 325                 size_t hex_len = 2 * data_len + 1;
 326                 char *hex = os_malloc(hex_len);
 327
 328                 if (hex == NULL)
 329                         return -1;
 330                 wpa_snprintf_hex(hex, hex_len, data, data_len);
 331                 wpa_msg(hapd->msg_ctx, MSG_INFO, "EAPOL-TX " MACSTR " %s",
 332                         MAC2STR(addr), hex);
 333                 os_free(hex);
 334                 return 0;
 335         }
 336 #endif /* CONFIG_TESTING_OPTIONS */
 337
 338         sta = ap_get_sta(hapd, addr);
 339         if (sta)
 340                 flags = hostapd_sta_flags_to_drv(sta->flags);
 341
 342         return hostapd_drv_hapd_send_eapol(hapd, addr, data, data_len,
 343                                            encrypt, flags);
 344 }
 345
 346
 347 static int hostapd_wpa_auth_for_each_sta(
 348         void *ctx, int (*cb)(struct wpa_state_machine *sm, void *ctx),
 349         void *cb_ctx)
 350 {
 351         struct hostapd_data *hapd = ctx;
 352         struct sta_info *sta;
 353
 354         for (sta = hapd->sta_list; sta; sta = sta->next) {
 355                 if (sta->wpa_sm && cb(sta->wpa_sm, cb_ctx))
 356                         return 1;
 357         }
 358         return 0;
 359 }
 360
 361
 362 struct wpa_auth_iface_iter_data {
 363         int (*cb)(struct wpa_authenticator *sm, void *ctx);
 364         void *cb_ctx;
 365 };
 366
 367 static int wpa_auth_iface_iter(struct hostapd_iface *iface, void *ctx)
 368 {
 369         struct wpa_auth_iface_iter_data *data = ctx;
 370         size_t i;
 371         for (i = 0; i < iface->num_bss; i++) {
 372                 if (iface->bss[i]->wpa_auth &&
 373                     data->cb(iface->bss[i]->wpa_auth, data->cb_ctx))
 374                         return 1;
 375         }
 376         return 0;
 377 }
 378
 379
 380 static int hostapd_wpa_auth_for_each_auth(
 381         void *ctx, int (*cb)(struct wpa_authenticator *sm, void *ctx),
 382         void *cb_ctx)
 383 {
 384         struct hostapd_data *hapd = ctx;
 385         struct wpa_auth_iface_iter_data data;
 386         if (hapd->iface->interfaces == NULL ||
 387             hapd->iface->interfaces->for_each_interface == NULL)
 388                 return -1;
 389         data.cb = cb;
 390         data.cb_ctx = cb_ctx;
 391         return hapd->iface->interfaces->for_each_interface(
 392                 hapd->iface->interfaces, wpa_auth_iface_iter, &data);
 393 }
 394
 395
 396 #ifdef CONFIG_IEEE80211R
 397
 398 struct wpa_auth_ft_iface_iter_data {
 399         struct hostapd_data *src_hapd;
 400         const u8 *dst;
 401         const u8 *data;
 402         size_t data_len;
 403 };
 404
 405
 406 static int hostapd_wpa_auth_ft_iter(struct hostapd_iface *iface, void *ctx)
 407 {
 408         struct wpa_auth_ft_iface_iter_data *idata = ctx;
 409         struct hostapd_data *hapd;
 410         size_t j;
 411
 412         for (j = 0; j < iface->num_bss; j++) {
 413                 hapd = iface->bss[j];
 414                 if (hapd == idata->src_hapd)
 415                         continue;
 416                 if (os_memcmp(hapd->own_addr, idata->dst, ETH_ALEN) == 0) {
 417                         wpa_printf(MSG_DEBUG, "FT: Send RRB data directly to "
 418                                    "locally managed BSS " MACSTR "@%s -> "
 419                                    MACSTR "@%s",
 420                                    MAC2STR(idata->src_hapd->own_addr),
 421                                    idata->src_hapd->conf->iface,
 422                                    MAC2STR(hapd->own_addr), hapd->conf->iface);
 423                         wpa_ft_rrb_rx(hapd->wpa_auth,
 424                                       idata->src_hapd->own_addr,
 425                                       idata->data, idata->data_len);
 426                         return 1;
 427                 }
 428         }
 429
 430         return 0;
 431 }
 432
 433 #endif /* CONFIG_IEEE80211R */
 434
 435
 436 static int hostapd_wpa_auth_send_ether(void *ctx, const u8 *dst, u16 proto,
 437                                        const u8 *data, size_t data_len)
 438 {
 439         struct hostapd_data *hapd = ctx;
 440         struct l2_ethhdr *buf;
 441         int ret;
 442
 443 #ifdef CONFIG_TESTING_OPTIONS
 444         if (hapd->ext_eapol_frame_io && proto == ETH_P_EAPOL) {
 445                 size_t hex_len = 2 * data_len + 1;
 446                 char *hex = os_malloc(hex_len);
 447
 448                 if (hex == NULL)
 449                         return -1;
 450                 wpa_snprintf_hex(hex, hex_len, data, data_len);
 451                 wpa_msg(hapd->msg_ctx, MSG_INFO, "EAPOL-TX " MACSTR " %s",
 452                         MAC2STR(dst), hex);
 453                 os_free(hex);
 454                 return 0;
 455         }
 456 #endif /* CONFIG_TESTING_OPTIONS */
 457
 458 #ifdef CONFIG_IEEE80211R
 459         if (proto == ETH_P_RRB && hapd->iface->interfaces &&
 460             hapd->iface->interfaces->for_each_interface) {
 461                 int res;
 462                 struct wpa_auth_ft_iface_iter_data idata;
 463                 idata.src_hapd = hapd;
 464                 idata.dst = dst;
 465                 idata.data = data;
 466                 idata.data_len = data_len;
 467                 res = hapd->iface->interfaces->for_each_interface(
 468                         hapd->iface->interfaces, hostapd_wpa_auth_ft_iter,
 469                         &idata);
 470                 if (res == 1)
 471                         return data_len;
 472         }
 473 #endif /* CONFIG_IEEE80211R */
 474
 475         if (hapd->driver && hapd->driver->send_ether)
 476                 return hapd->driver->send_ether(hapd->drv_priv, dst,
 477                                                 hapd->own_addr, proto,
 478                                                 data, data_len);
 479         if (hapd->l2 == NULL)
 480                 return -1;
 481
 482         buf = os_malloc(sizeof(*buf) + data_len);
 483         if (buf == NULL)
 484                 return -1;
 485         os_memcpy(buf->h_dest, dst, ETH_ALEN);
 486         os_memcpy(buf->h_source, hapd->own_addr, ETH_ALEN);
 487         buf->h_proto = host_to_be16(proto);
 488         os_memcpy(buf + 1, data, data_len);
 489         ret = l2_packet_send(hapd->l2, dst, proto, (u8 *) buf,
 490                              sizeof(*buf) + data_len);
 491         os_free(buf);
 492         return ret;
 493 }
 494
 495
 496 #ifdef CONFIG_IEEE80211R
 497
 498 static int hostapd_wpa_auth_send_ft_action(void *ctx, const u8 *dst,
 499                                            const u8 *data, size_t data_len)
 500 {
 501         struct hostapd_data *hapd = ctx;
 502         int res;
 503         struct ieee80211_mgmt *m;
 504         size_t mlen;
 505         struct sta_info *sta;
 506
 507         sta = ap_get_sta(hapd, dst);
 508         if (sta == NULL || sta->wpa_sm == NULL)
 509                 return -1;
 510
 511         m = os_zalloc(sizeof(*m) + data_len);
 512         if (m == NULL)
 513                 return -1;
 514         mlen = ((u8 *) &m->u - (u8 *) m) + data_len;
 515         m->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
 516                                         WLAN_FC_STYPE_ACTION);
 517         os_memcpy(m->da, dst, ETH_ALEN);
 518         os_memcpy(m->sa, hapd->own_addr, ETH_ALEN);
 519         os_memcpy(m->bssid, hapd->own_addr, ETH_ALEN);
 520         os_memcpy(&m->u, data, data_len);
 521
 522         res = hostapd_drv_send_mlme(hapd, (u8 *) m, mlen, 0);
 523         os_free(m);
 524         return res;
 525 }
 526
 527
 528 static struct wpa_state_machine *
 529 hostapd_wpa_auth_add_sta(void *ctx, const u8 *sta_addr)
 530 {
 531         struct hostapd_data *hapd = ctx;
 532         struct sta_info *sta;
 533
 534         if (hostapd_add_sta_node(hapd, sta_addr, WLAN_AUTH_FT) < 0)
 535                 return NULL;
 536
 537         sta = ap_sta_add(hapd, sta_addr);
 538         if (sta == NULL)
 539                 return NULL;
 540         if (sta->wpa_sm) {
 541                 sta->auth_alg = WLAN_AUTH_FT;
 542                 return sta->wpa_sm;
 543         }
 544
 545         sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, sta->addr, NULL);
 546         if (sta->wpa_sm == NULL) {
 547                 ap_free_sta(hapd, sta);
 548                 return NULL;
 549         }
 550         sta->auth_alg = WLAN_AUTH_FT;
 551
 552         return sta->wpa_sm;
 553 }
 554
 555
 556 static void hostapd_rrb_receive(void *ctx, const u8 *src_addr, const u8 *buf,
 557                                 size_t len)
 558 {
 559         struct hostapd_data *hapd = ctx;
 560         struct l2_ethhdr *ethhdr;
 561         if (len < sizeof(*ethhdr))
 562                 return;
 563         ethhdr = (struct l2_ethhdr *) buf;
 564         wpa_printf(MSG_DEBUG, "FT: RRB received packet " MACSTR " -> "
 565                    MACSTR, MAC2STR(ethhdr->h_source), MAC2STR(ethhdr->h_dest));
 566         wpa_ft_rrb_rx(hapd->wpa_auth, ethhdr->h_source, buf + sizeof(*ethhdr),
 567                       len - sizeof(*ethhdr));
 568 }
 569
 570
 571 static int hostapd_wpa_auth_add_tspec(void *ctx, const u8 *sta_addr,
 572                                       u8 *tspec_ie, size_t tspec_ielen)
 573 {
 574         struct hostapd_data *hapd = ctx;
 575         return hostapd_add_tspec(hapd, sta_addr, tspec_ie, tspec_ielen);
 576 }
 577
 578 #endif /* CONFIG_IEEE80211R */
 579
 580
 581 int hostapd_setup_wpa(struct hostapd_data *hapd)
 582 {
 583         struct wpa_auth_config _conf;
 584         struct wpa_auth_callbacks cb;
 585         const u8 *wpa_ie;
 586         size_t wpa_ie_len;
 587
 588         hostapd_wpa_auth_conf(hapd->conf, hapd->iconf, &_conf);
 589         if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_EAPOL_TX_STATUS)
 590                 _conf.tx_status = 1;
 591         if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_AP_MLME)
 592                 _conf.ap_mlme = 1;
 593         os_memset(&cb, 0, sizeof(cb));
 594         cb.ctx = hapd;
 595         cb.logger = hostapd_wpa_auth_logger;
 596         cb.disconnect = hostapd_wpa_auth_disconnect;
 597         cb.mic_failure_report = hostapd_wpa_auth_mic_failure_report;
 598         cb.psk_failure_report = hostapd_wpa_auth_psk_failure_report;
 599         cb.set_eapol = hostapd_wpa_auth_set_eapol;
 600         cb.get_eapol = hostapd_wpa_auth_get_eapol;
 601         cb.get_psk = hostapd_wpa_auth_get_psk;
 602         cb.get_msk = hostapd_wpa_auth_get_msk;
 603         cb.set_key = hostapd_wpa_auth_set_key;
 604         cb.get_seqnum = hostapd_wpa_auth_get_seqnum;
 605         cb.send_eapol = hostapd_wpa_auth_send_eapol;
 606         cb.for_each_sta = hostapd_wpa_auth_for_each_sta;
 607         cb.for_each_auth = hostapd_wpa_auth_for_each_auth;
 608         cb.send_ether = hostapd_wpa_auth_send_ether;
 609 #ifdef CONFIG_IEEE80211R
 610         cb.send_ft_action = hostapd_wpa_auth_send_ft_action;
 611         cb.add_sta = hostapd_wpa_auth_add_sta;
 612         cb.add_tspec = hostapd_wpa_auth_add_tspec;
 613 #endif /* CONFIG_IEEE80211R */
 614         hapd->wpa_auth = wpa_init(hapd->own_addr, &_conf, &cb);
 615         if (hapd->wpa_auth == NULL) {
 616                 wpa_printf(MSG_ERROR, "WPA initialization failed.");
 617                 return -1;
 618         }
 619
 620         if (hostapd_set_privacy(hapd, 1)) {
 621                 wpa_printf(MSG_ERROR, "Could not set PrivacyInvoked "
 622                            "for interface %s", hapd->conf->iface);
 623                 return -1;
 624         }
 625
 626         wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len);
 627         if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len)) {
 628                 wpa_printf(MSG_ERROR, "Failed to configure WPA IE for "
 629                            "the kernel driver.");
 630                 return -1;
 631         }
 632
 633         if (rsn_preauth_iface_init(hapd)) {
 634                 wpa_printf(MSG_ERROR, "Initialization of RSN "
 635                            "pre-authentication failed.");
 636                 return -1;
 637         }
 638
 639 #ifdef CONFIG_IEEE80211R
 640         if (!hostapd_drv_none(hapd) && hapd->conf->ft_over_ds &&
 641             wpa_key_mgmt_ft(hapd->conf->wpa_key_mgmt)) {
 642                 hapd->l2 = l2_packet_init(hapd->conf->bridge[0] ?
 643                                           hapd->conf->bridge :
 644                                           hapd->conf->iface, NULL, ETH_P_RRB,
 645                                           hostapd_rrb_receive, hapd, 1);
 646                 if (hapd->l2 == NULL &&
 647                     (hapd->driver == NULL ||
 648                      hapd->driver->send_ether == NULL)) {
 649                         wpa_printf(MSG_ERROR, "Failed to open l2_packet "
 650                                    "interface");
 651                         return -1;
 652                 }
 653         }
 654 #endif /* CONFIG_IEEE80211R */
 655
 656         return 0;
 657
 658 }
 659
 660
 661 void hostapd_reconfig_wpa(struct hostapd_data *hapd)
 662 {
 663         struct wpa_auth_config wpa_auth_conf;
 664         hostapd_wpa_auth_conf(hapd->conf, hapd->iconf, &wpa_auth_conf);
 665         wpa_reconfig(hapd->wpa_auth, &wpa_auth_conf);
 666 }
 667
 668
 669 void hostapd_deinit_wpa(struct hostapd_data *hapd)
 670 {
 671         ieee80211_tkip_countermeasures_deinit(hapd);
 672         rsn_preauth_iface_deinit(hapd);
 673         if (hapd->wpa_auth) {
 674                 wpa_deinit(hapd->wpa_auth);
 675                 hapd->wpa_auth = NULL;
 676
 677                 if (hapd->drv_priv && hostapd_set_privacy(hapd, 0)) {
 678                         wpa_printf(MSG_DEBUG, "Could not disable "
 679                                    "PrivacyInvoked for interface %s",
 680                                    hapd->conf->iface);
 681                 }
 682
 683                 if (hapd->drv_priv &&
 684                     hostapd_set_generic_elem(hapd, (u8 *) "", 0)) {
 685                         wpa_printf(MSG_DEBUG, "Could not remove generic "
 686                                    "information element from interface %s",
 687                                    hapd->conf->iface);
 688                 }
 689         }
 690         ieee802_1x_deinit(hapd);
 691
 692 #ifdef CONFIG_IEEE80211R
 693         l2_packet_deinit(hapd->l2);
 694         hapd->l2 = NULL;
 695 #endif /* CONFIG_IEEE80211R */
 696 }