wpa_supplicant/wpas_glue.c

   1 /*
   2  * WPA Supplicant - Glue code to setup EAPOL and RSN modules
   3  * Copyright (c) 2003-2015, 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 "includes.h"
  10
  11 #include "common.h"
  12 #include "eapol_supp/eapol_supp_sm.h"
  13 #include "eap_peer/eap.h"
  14 #include "rsn_supp/wpa.h"
  15 #include "eloop.h"
  16 #include "config.h"
  17 #include "l2_packet/l2_packet.h"
  18 #include "common/wpa_common.h"
  19 #include "wpa_supplicant_i.h"
  20 #include "driver_i.h"
  21 #include "rsn_supp/pmksa_cache.h"
  22 #include "sme.h"
  23 #include "common/ieee802_11_defs.h"
  24 #include "common/wpa_ctrl.h"
  25 #include "wpas_glue.h"
  26 #include "wps_supplicant.h"
  27 #include "bss.h"
  28 #include "scan.h"
  29 #include "notify.h"
  30 #include "wpas_kay.h"
  31
  32
  33 #ifndef CONFIG_NO_CONFIG_BLOBS
  34 #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
  35 static void wpa_supplicant_set_config_blob(void *ctx,
  36                                            struct wpa_config_blob *blob)
  37 {
  38         struct wpa_supplicant *wpa_s = ctx;
  39         wpa_config_set_blob(wpa_s->conf, blob);
  40         if (wpa_s->conf->update_config) {
  41                 int ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
  42                 if (ret) {
  43                         wpa_printf(MSG_DEBUG, "Failed to update config after "
  44                                    "blob set");
  45                 }
  46         }
  47 }
  48
  49
  50 static const struct wpa_config_blob *
  51 wpa_supplicant_get_config_blob(void *ctx, const char *name)
  52 {
  53         struct wpa_supplicant *wpa_s = ctx;
  54         return wpa_config_get_blob(wpa_s->conf, name);
  55 }
  56 #endif /* defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) */
  57 #endif /* CONFIG_NO_CONFIG_BLOBS */
  58
  59
  60 #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
  61 static u8 * wpa_alloc_eapol(const struct wpa_supplicant *wpa_s, u8 type,
  62                             const void *data, u16 data_len,
  63                             size_t *msg_len, void **data_pos)
  64 {
  65         struct ieee802_1x_hdr *hdr;
  66
  67         *msg_len = sizeof(*hdr) + data_len;
  68         hdr = os_malloc(*msg_len);
  69         if (hdr == NULL)
  70                 return NULL;
  71
  72         hdr->version = wpa_s->conf->eapol_version;
  73         hdr->type = type;
  74         hdr->length = host_to_be16(data_len);
  75
  76         if (data)
  77                 os_memcpy(hdr + 1, data, data_len);
  78         else
  79                 os_memset(hdr + 1, 0, data_len);
  80
  81         if (data_pos)
  82                 *data_pos = hdr + 1;
  83
  84         return (u8 *) hdr;
  85 }
  86
  87
  88 /**
  89  * wpa_ether_send - Send Ethernet frame
  90  * @wpa_s: Pointer to wpa_supplicant data
  91  * @dest: Destination MAC address
  92  * @proto: Ethertype in host byte order
  93  * @buf: Frame payload starting from IEEE 802.1X header
  94  * @len: Frame payload length
  95  * Returns: >=0 on success, <0 on failure
  96  */
  97 static int wpa_ether_send(struct wpa_supplicant *wpa_s, const u8 *dest,
  98                           u16 proto, const u8 *buf, size_t len)
  99 {
 100 #ifdef CONFIG_TESTING_OPTIONS
 101         if (wpa_s->ext_eapol_frame_io && proto == ETH_P_EAPOL) {
 102                 size_t hex_len = 2 * len + 1;
 103                 char *hex = os_malloc(hex_len);
 104
 105                 if (hex == NULL)
 106                         return -1;
 107                 wpa_snprintf_hex(hex, hex_len, buf, len);
 108                 wpa_msg(wpa_s, MSG_INFO, "EAPOL-TX " MACSTR " %s",
 109                         MAC2STR(dest), hex);
 110                 os_free(hex);
 111                 return 0;
 112         }
 113 #endif /* CONFIG_TESTING_OPTIONS */
 114
 115         if (wpa_s->l2) {
 116                 return l2_packet_send(wpa_s->l2, dest, proto, buf, len);
 117         }
 118
 119         return -1;
 120 }
 121 #endif /* IEEE8021X_EAPOL || !CONFIG_NO_WPA */
 122
 123
 124 #ifdef IEEE8021X_EAPOL
 125
 126 /**
 127  * wpa_supplicant_eapol_send - Send IEEE 802.1X EAPOL packet to Authenticator
 128  * @ctx: Pointer to wpa_supplicant data (wpa_s)
 129  * @type: IEEE 802.1X packet type (IEEE802_1X_TYPE_*)
 130  * @buf: EAPOL payload (after IEEE 802.1X header)
 131  * @len: EAPOL payload length
 132  * Returns: >=0 on success, <0 on failure
 133  *
 134  * This function adds Ethernet and IEEE 802.1X header and sends the EAPOL frame
 135  * to the current Authenticator.
 136  */
 137 static int wpa_supplicant_eapol_send(void *ctx, int type, const u8 *buf,
 138                                      size_t len)
 139 {
 140         struct wpa_supplicant *wpa_s = ctx;
 141         u8 *msg, *dst, bssid[ETH_ALEN];
 142         size_t msglen;
 143         int res;
 144
 145         /* TODO: could add l2_packet_sendmsg that allows fragments to avoid
 146          * extra copy here */
 147
 148         if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
 149             wpa_s->key_mgmt == WPA_KEY_MGMT_OWE ||
 150             wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) {
 151                 /* Current SSID is not using IEEE 802.1X/EAP, so drop possible
 152                  * EAPOL frames (mainly, EAPOL-Start) from EAPOL state
 153                  * machines. */
 154                 wpa_printf(MSG_DEBUG, "WPA: drop TX EAPOL in non-IEEE 802.1X "
 155                            "mode (type=%d len=%lu)", type,
 156                            (unsigned long) len);
 157                 return -1;
 158         }
 159
 160         if (pmksa_cache_get_current(wpa_s->wpa) &&
 161             type == IEEE802_1X_TYPE_EAPOL_START) {
 162                 /*
 163                  * We were trying to use PMKSA caching and sending EAPOL-Start
 164                  * would abort that and trigger full EAPOL authentication.
 165                  * However, we've already waited for the AP/Authenticator to
 166                  * start 4-way handshake or EAP authentication, and apparently
 167                  * it has not done so since the startWhen timer has reached zero
 168                  * to get the state machine sending EAPOL-Start. This is not
 169                  * really supposed to happen, but an interoperability issue with
 170                  * a deployed AP has been identified where the connection fails
 171                  * due to that AP failing to operate correctly if PMKID is
 172                  * included in the Association Request frame. To work around
 173                  * this, assume PMKSA caching failed and try to initiate full
 174                  * EAP authentication.
 175                  */
 176                 if (!wpa_s->current_ssid ||
 177                     wpa_s->current_ssid->eap_workaround) {
 178                         wpa_printf(MSG_DEBUG,
 179                                    "RSN: Timeout on waiting for the AP to initiate 4-way handshake for PMKSA caching or EAP authentication - try to force it to start EAP authentication");
 180                 } else {
 181                         wpa_printf(MSG_DEBUG,
 182                                    "RSN: PMKSA caching - do not send EAPOL-Start");
 183                         return -1;
 184                 }
 185         }
 186
 187         if (is_zero_ether_addr(wpa_s->bssid)) {
 188                 wpa_printf(MSG_DEBUG, "BSSID not set when trying to send an "
 189                            "EAPOL frame");
 190                 if (wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
 191                     !is_zero_ether_addr(bssid)) {
 192                         dst = bssid;
 193                         wpa_printf(MSG_DEBUG, "Using current BSSID " MACSTR
 194                                    " from the driver as the EAPOL destination",
 195                                    MAC2STR(dst));
 196                 } else {
 197                         dst = wpa_s->last_eapol_src;
 198                         wpa_printf(MSG_DEBUG, "Using the source address of the"
 199                                    " last received EAPOL frame " MACSTR " as "
 200                                    "the EAPOL destination",
 201                                    MAC2STR(dst));
 202                 }
 203         } else {
 204                 /* BSSID was already set (from (Re)Assoc event, so use it as
 205                  * the EAPOL destination. */
 206                 dst = wpa_s->bssid;
 207         }
 208
 209         msg = wpa_alloc_eapol(wpa_s, type, buf, len, &msglen, NULL);
 210         if (msg == NULL)
 211                 return -1;
 212
 213         wpa_printf(MSG_DEBUG, "TX EAPOL: dst=" MACSTR, MAC2STR(dst));
 214         wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", msg, msglen);
 215         res = wpa_ether_send(wpa_s, dst, ETH_P_EAPOL, msg, msglen);
 216         os_free(msg);
 217         return res;
 218 }
 219
 220
 221 /**
 222  * wpa_eapol_set_wep_key - set WEP key for the driver
 223  * @ctx: Pointer to wpa_supplicant data (wpa_s)
 224  * @unicast: 1 = individual unicast key, 0 = broadcast key
 225  * @keyidx: WEP key index (0..3)
 226  * @key: Pointer to key data
 227  * @keylen: Key length in bytes
 228  * Returns: 0 on success or < 0 on error.
 229  */
 230 static int wpa_eapol_set_wep_key(void *ctx, int unicast, int keyidx,
 231                                  const u8 *key, size_t keylen)
 232 {
 233         struct wpa_supplicant *wpa_s = ctx;
 234         if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
 235                 int cipher = (keylen == 5) ? WPA_CIPHER_WEP40 :
 236                         WPA_CIPHER_WEP104;
 237                 if (unicast)
 238                         wpa_s->pairwise_cipher = cipher;
 239                 else
 240                         wpa_s->group_cipher = cipher;
 241         }
 242         return wpa_drv_set_key(wpa_s, WPA_ALG_WEP,
 243                                unicast ? wpa_s->bssid : NULL,
 244                                keyidx, unicast, NULL, 0, key, keylen);
 245 }
 246
 247
 248 static void wpa_supplicant_aborted_cached(void *ctx)
 249 {
 250         struct wpa_supplicant *wpa_s = ctx;
 251         wpa_sm_aborted_cached(wpa_s->wpa);
 252 }
 253
 254
 255 static const char * result_str(enum eapol_supp_result result)
 256 {
 257         switch (result) {
 258         case EAPOL_SUPP_RESULT_FAILURE:
 259                 return "FAILURE";
 260         case EAPOL_SUPP_RESULT_SUCCESS:
 261                 return "SUCCESS";
 262         case EAPOL_SUPP_RESULT_EXPECTED_FAILURE:
 263                 return "EXPECTED_FAILURE";
 264         }
 265         return "?";
 266 }
 267
 268
 269 static void wpa_supplicant_eapol_cb(struct eapol_sm *eapol,
 270                                     enum eapol_supp_result result,
 271                                     void *ctx)
 272 {
 273         struct wpa_supplicant *wpa_s = ctx;
 274         int res, pmk_len;
 275         u8 pmk[PMK_LEN];
 276
 277         wpa_printf(MSG_DEBUG, "EAPOL authentication completed - result=%s",
 278                    result_str(result));
 279
 280         if (wpas_wps_eapol_cb(wpa_s) > 0)
 281                 return;
 282
 283         wpa_s->eap_expected_failure = result ==
 284                 EAPOL_SUPP_RESULT_EXPECTED_FAILURE;
 285
 286         if (result != EAPOL_SUPP_RESULT_SUCCESS) {
 287                 /*
 288                  * Make sure we do not get stuck here waiting for long EAPOL
 289                  * timeout if the AP does not disconnect in case of
 290                  * authentication failure.
 291                  */
 292                 wpa_supplicant_req_auth_timeout(wpa_s, 2, 0);
 293         } else {
 294                 ieee802_1x_notify_create_actor(wpa_s, wpa_s->last_eapol_src);
 295         }
 296
 297         if (result != EAPOL_SUPP_RESULT_SUCCESS ||
 298             !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE))
 299                 return;
 300
 301         if (!wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt))
 302                 return;
 303
 304         wpa_printf(MSG_DEBUG, "Configure PMK for driver-based RSN 4-way "
 305                    "handshake");
 306
 307         pmk_len = PMK_LEN;
 308         if (wpa_key_mgmt_ft(wpa_s->key_mgmt)) {
 309 #ifdef CONFIG_IEEE80211R
 310                 u8 buf[2 * PMK_LEN];
 311                 wpa_printf(MSG_DEBUG, "RSN: Use FT XXKey as PMK for "
 312                            "driver-based 4-way hs and FT");
 313                 res = eapol_sm_get_key(eapol, buf, 2 * PMK_LEN);
 314                 if (res == 0) {
 315                         os_memcpy(pmk, buf + PMK_LEN, PMK_LEN);
 316                         os_memset(buf, 0, sizeof(buf));
 317                 }
 318 #else /* CONFIG_IEEE80211R */
 319                 res = -1;
 320 #endif /* CONFIG_IEEE80211R */
 321         } else {
 322                 res = eapol_sm_get_key(eapol, pmk, PMK_LEN);
 323                 if (res) {
 324                         /*
 325                          * EAP-LEAP is an exception from other EAP methods: it
 326                          * uses only 16-byte PMK.
 327                          */
 328                         res = eapol_sm_get_key(eapol, pmk, 16);
 329                         pmk_len = 16;
 330                 }
 331         }
 332
 333         if (res) {
 334                 wpa_printf(MSG_DEBUG, "Failed to get PMK from EAPOL state "
 335                            "machines");
 336                 return;
 337         }
 338
 339         wpa_hexdump_key(MSG_DEBUG, "RSN: Configure PMK for driver-based 4-way "
 340                         "handshake", pmk, pmk_len);
 341
 342         if (wpa_drv_set_key(wpa_s, WPA_ALG_PMK, NULL, 0, 0, NULL, 0, pmk,
 343                             pmk_len)) {
 344                 wpa_printf(MSG_DEBUG, "Failed to set PMK to the driver");
 345         }
 346
 347         wpa_supplicant_cancel_scan(wpa_s);
 348         wpa_supplicant_cancel_auth_timeout(wpa_s);
 349         wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 350
 351 }
 352
 353
 354 static void wpa_supplicant_notify_eapol_done(void *ctx)
 355 {
 356         struct wpa_supplicant *wpa_s = ctx;
 357         wpa_msg(wpa_s, MSG_DEBUG, "WPA: EAPOL processing complete");
 358         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
 359                 wpa_supplicant_set_state(wpa_s, WPA_4WAY_HANDSHAKE);
 360         } else {
 361                 wpa_supplicant_cancel_auth_timeout(wpa_s);
 362                 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 363         }
 364 }
 365
 366 #endif /* IEEE8021X_EAPOL */
 367
 368
 369 #ifndef CONFIG_NO_WPA
 370
 371 static int wpa_get_beacon_ie(struct wpa_supplicant *wpa_s)
 372 {
 373         int ret = 0;
 374         struct wpa_bss *curr = NULL, *bss;
 375         struct wpa_ssid *ssid = wpa_s->current_ssid;
 376         const u8 *ie;
 377
 378         dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
 379                 if (os_memcmp(bss->bssid, wpa_s->bssid, ETH_ALEN) != 0)
 380                         continue;
 381                 if (ssid == NULL ||
 382                     ((bss->ssid_len == ssid->ssid_len &&
 383                       os_memcmp(bss->ssid, ssid->ssid, ssid->ssid_len) == 0) ||
 384                      ssid->ssid_len == 0)) {
 385                         curr = bss;
 386                         break;
 387                 }
 388         }
 389
 390         if (curr) {
 391                 ie = wpa_bss_get_vendor_ie(curr, WPA_IE_VENDOR_TYPE);
 392                 if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
 393                         ret = -1;
 394
 395                 ie = wpa_bss_get_ie(curr, WLAN_EID_RSN);
 396                 if (wpa_sm_set_ap_rsn_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
 397                         ret = -1;
 398         } else {
 399                 ret = -1;
 400         }
 401
 402         return ret;
 403 }
 404
 405
 406 static int wpa_supplicant_get_beacon_ie(void *ctx)
 407 {
 408         struct wpa_supplicant *wpa_s = ctx;
 409         if (wpa_get_beacon_ie(wpa_s) == 0) {
 410                 return 0;
 411         }
 412
 413         /* No WPA/RSN IE found in the cached scan results. Try to get updated
 414          * scan results from the driver. */
 415         if (wpa_supplicant_update_scan_results(wpa_s) < 0)
 416                 return -1;
 417
 418         return wpa_get_beacon_ie(wpa_s);
 419 }
 420
 421
 422 static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type,
 423                              const void *data, u16 data_len,
 424                              size_t *msg_len, void **data_pos)
 425 {
 426         return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos);
 427 }
 428
 429
 430 static int _wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto,
 431                            const u8 *buf, size_t len)
 432 {
 433         return wpa_ether_send(wpa_s, dest, proto, buf, len);
 434 }
 435
 436
 437 static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s)
 438 {
 439         wpa_supplicant_cancel_auth_timeout(wpa_s);
 440 }
 441
 442
 443 static void _wpa_supplicant_set_state(void *wpa_s, enum wpa_states state)
 444 {
 445         wpa_supplicant_set_state(wpa_s, state);
 446 }
 447
 448
 449 /**
 450  * wpa_supplicant_get_state - Get the connection state
 451  * @wpa_s: Pointer to wpa_supplicant data
 452  * Returns: The current connection state (WPA_*)
 453  */
 454 static enum wpa_states wpa_supplicant_get_state(struct wpa_supplicant *wpa_s)
 455 {
 456         return wpa_s->wpa_state;
 457 }
 458
 459
 460 static enum wpa_states _wpa_supplicant_get_state(void *wpa_s)
 461 {
 462         return wpa_supplicant_get_state(wpa_s);
 463 }
 464
 465
 466 static void _wpa_supplicant_deauthenticate(void *wpa_s, int reason_code)
 467 {
 468         wpa_supplicant_deauthenticate(wpa_s, reason_code);
 469         /* Schedule a scan to make sure we continue looking for networks */
 470         wpa_supplicant_req_scan(wpa_s, 5, 0);
 471 }
 472
 473
 474 static void * wpa_supplicant_get_network_ctx(void *wpa_s)
 475 {
 476         return wpa_supplicant_get_ssid(wpa_s);
 477 }
 478
 479
 480 static int wpa_supplicant_get_bssid(void *ctx, u8 *bssid)
 481 {
 482         struct wpa_supplicant *wpa_s = ctx;
 483         return wpa_drv_get_bssid(wpa_s, bssid);
 484 }
 485
 486
 487 static int wpa_supplicant_set_key(void *_wpa_s, enum wpa_alg alg,
 488                                   const u8 *addr, int key_idx, int set_tx,
 489                                   const u8 *seq, size_t seq_len,
 490                                   const u8 *key, size_t key_len)
 491 {
 492         struct wpa_supplicant *wpa_s = _wpa_s;
 493         if (alg == WPA_ALG_TKIP && key_idx == 0 && key_len == 32) {
 494                 /* Clear the MIC error counter when setting a new PTK. */
 495                 wpa_s->mic_errors_seen = 0;
 496         }
 497 #ifdef CONFIG_TESTING_GET_GTK
 498         if (key_idx > 0 && addr && is_broadcast_ether_addr(addr) &&
 499             alg != WPA_ALG_NONE && key_len <= sizeof(wpa_s->last_gtk)) {
 500                 os_memcpy(wpa_s->last_gtk, key, key_len);
 501                 wpa_s->last_gtk_len = key_len;
 502         }
 503 #endif /* CONFIG_TESTING_GET_GTK */
 504         return wpa_drv_set_key(wpa_s, alg, addr, key_idx, set_tx, seq, seq_len,
 505                                key, key_len);
 506 }
 507
 508
 509 static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr,
 510                                              int protection_type,
 511                                              int key_type)
 512 {
 513         return wpa_drv_mlme_setprotection(wpa_s, addr, protection_type,
 514                                           key_type);
 515 }
 516
 517
 518 static struct wpa_ssid * wpas_get_network_ctx(struct wpa_supplicant *wpa_s,
 519                                               void *network_ctx)
 520 {
 521         struct wpa_ssid *ssid;
 522
 523         for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
 524                 if (network_ctx == ssid)
 525                         return ssid;
 526         }
 527
 528         return NULL;
 529 }
 530
 531
 532 static int wpa_supplicant_add_pmkid(void *_wpa_s, void *network_ctx,
 533                                     const u8 *bssid, const u8 *pmkid,
 534                                     const u8 *fils_cache_id,
 535                                     const u8 *pmk, size_t pmk_len)
 536 {
 537         struct wpa_supplicant *wpa_s = _wpa_s;
 538         struct wpa_ssid *ssid;
 539         struct wpa_pmkid_params params;
 540
 541         os_memset(&params, 0, sizeof(params));
 542         ssid = wpas_get_network_ctx(wpa_s, network_ctx);
 543         if (ssid)
 544                 wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_ADDED MACSTR " %d",
 545                         MAC2STR(bssid), ssid->id);
 546         if (ssid && fils_cache_id) {
 547                 params.ssid = ssid->ssid;
 548                 params.ssid_len = ssid->ssid_len;
 549                 params.fils_cache_id = fils_cache_id;
 550         } else {
 551                 params.bssid = bssid;
 552         }
 553
 554         params.pmkid = pmkid;
 555         params.pmk = pmk;
 556         params.pmk_len = pmk_len;
 557
 558         return wpa_drv_add_pmkid(wpa_s, &params);
 559 }
 560
 561
 562 static int wpa_supplicant_remove_pmkid(void *_wpa_s, void *network_ctx,
 563                                        const u8 *bssid, const u8 *pmkid,
 564                                        const u8 *fils_cache_id)
 565 {
 566         struct wpa_supplicant *wpa_s = _wpa_s;
 567         struct wpa_ssid *ssid;
 568         struct wpa_pmkid_params params;
 569
 570         os_memset(&params, 0, sizeof(params));
 571         ssid = wpas_get_network_ctx(wpa_s, network_ctx);
 572         if (ssid)
 573                 wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_REMOVED MACSTR " %d",
 574                         MAC2STR(bssid), ssid->id);
 575         if (ssid && fils_cache_id) {
 576                 params.ssid = ssid->ssid;
 577                 params.ssid_len = ssid->ssid_len;
 578                 params.fils_cache_id = fils_cache_id;
 579         } else {
 580                 params.bssid = bssid;
 581         }
 582
 583         params.pmkid = pmkid;
 584
 585         return wpa_drv_remove_pmkid(wpa_s, &params);
 586 }
 587
 588
 589 #ifdef CONFIG_IEEE80211R
 590 static int wpa_supplicant_update_ft_ies(void *ctx, const u8 *md,
 591                                         const u8 *ies, size_t ies_len)
 592 {
 593         struct wpa_supplicant *wpa_s = ctx;
 594         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
 595                 return sme_update_ft_ies(wpa_s, md, ies, ies_len);
 596         return wpa_drv_update_ft_ies(wpa_s, md, ies, ies_len);
 597 }
 598
 599
 600 static int wpa_supplicant_send_ft_action(void *ctx, u8 action,
 601                                          const u8 *target_ap,
 602                                          const u8 *ies, size_t ies_len)
 603 {
 604         struct wpa_supplicant *wpa_s = ctx;
 605         int ret;
 606         u8 *data, *pos;
 607         size_t data_len;
 608
 609         if (action != 1) {
 610                 wpa_printf(MSG_ERROR, "Unsupported send_ft_action action %d",
 611                            action);
 612                 return -1;
 613         }
 614
 615         /*
 616          * Action frame payload:
 617          * Category[1] = 6 (Fast BSS Transition)
 618          * Action[1] = 1 (Fast BSS Transition Request)
 619          * STA Address
 620          * Target AP Address
 621          * FT IEs
 622          */
 623
 624         data_len = 2 + 2 * ETH_ALEN + ies_len;
 625         data = os_malloc(data_len);
 626         if (data == NULL)
 627                 return -1;
 628         pos = data;
 629         *pos++ = 0x06; /* FT Action category */
 630         *pos++ = action;
 631         os_memcpy(pos, wpa_s->own_addr, ETH_ALEN);
 632         pos += ETH_ALEN;
 633         os_memcpy(pos, target_ap, ETH_ALEN);
 634         pos += ETH_ALEN;
 635         os_memcpy(pos, ies, ies_len);
 636
 637         ret = wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0,
 638                                   wpa_s->bssid, wpa_s->own_addr, wpa_s->bssid,
 639                                   data, data_len, 0);
 640         os_free(data);
 641
 642         return ret;
 643 }
 644
 645
 646 static int wpa_supplicant_mark_authenticated(void *ctx, const u8 *target_ap)
 647 {
 648         struct wpa_supplicant *wpa_s = ctx;
 649         struct wpa_driver_auth_params params;
 650         struct wpa_bss *bss;
 651
 652         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 653         if (bss == NULL)
 654                 return -1;
 655
 656         os_memset(&params, 0, sizeof(params));
 657         params.bssid = target_ap;
 658         params.freq = bss->freq;
 659         params.ssid = bss->ssid;
 660         params.ssid_len = bss->ssid_len;
 661         params.auth_alg = WPA_AUTH_ALG_FT;
 662         params.local_state_change = 1;
 663         return wpa_drv_authenticate(wpa_s, &params);
 664 }
 665 #endif /* CONFIG_IEEE80211R */
 666
 667
 668 #ifdef CONFIG_TDLS
 669
 670 static int wpa_supplicant_tdls_get_capa(void *ctx, int *tdls_supported,
 671                                         int *tdls_ext_setup,
 672                                         int *tdls_chan_switch)
 673 {
 674         struct wpa_supplicant *wpa_s = ctx;
 675
 676         *tdls_supported = 0;
 677         *tdls_ext_setup = 0;
 678         *tdls_chan_switch = 0;
 679
 680         if (!wpa_s->drv_capa_known)
 681                 return -1;
 682
 683         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)
 684                 *tdls_supported = 1;
 685
 686         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP)
 687                 *tdls_ext_setup = 1;
 688
 689         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH)
 690                 *tdls_chan_switch = 1;
 691
 692         return 0;
 693 }
 694
 695
 696 static int wpa_supplicant_send_tdls_mgmt(void *ctx, const u8 *dst,
 697                                          u8 action_code, u8 dialog_token,
 698                                          u16 status_code, u32 peer_capab,
 699                                          int initiator, const u8 *buf,
 700                                          size_t len)
 701 {
 702         struct wpa_supplicant *wpa_s = ctx;
 703         return wpa_drv_send_tdls_mgmt(wpa_s, dst, action_code, dialog_token,
 704                                       status_code, peer_capab, initiator, buf,
 705                                       len);
 706 }
 707
 708
 709 static int wpa_supplicant_tdls_oper(void *ctx, int oper, const u8 *peer)
 710 {
 711         struct wpa_supplicant *wpa_s = ctx;
 712         return wpa_drv_tdls_oper(wpa_s, oper, peer);
 713 }
 714
 715
 716 static int wpa_supplicant_tdls_peer_addset(
 717         void *ctx, const u8 *peer, int add, u16 aid, u16 capability,
 718         const u8 *supp_rates, size_t supp_rates_len,
 719         const struct ieee80211_ht_capabilities *ht_capab,
 720         const struct ieee80211_vht_capabilities *vht_capab,
 721         u8 qosinfo, int wmm, const u8 *ext_capab, size_t ext_capab_len,
 722         const u8 *supp_channels, size_t supp_channels_len,
 723         const u8 *supp_oper_classes, size_t supp_oper_classes_len)
 724 {
 725         struct wpa_supplicant *wpa_s = ctx;
 726         struct hostapd_sta_add_params params;
 727
 728         os_memset(&params, 0, sizeof(params));
 729
 730         params.addr = peer;
 731         params.aid = aid;
 732         params.capability = capability;
 733         params.flags = WPA_STA_TDLS_PEER | WPA_STA_AUTHORIZED;
 734
 735         /*
 736          * Don't rely only on qosinfo for WMM capability. It may be 0 even when
 737          * present. Allow the WMM IE to also indicate QoS support.
 738          */
 739         if (wmm || qosinfo)
 740                 params.flags |= WPA_STA_WMM;
 741
 742         params.ht_capabilities = ht_capab;
 743         params.vht_capabilities = vht_capab;
 744         params.qosinfo = qosinfo;
 745         params.listen_interval = 0;
 746         params.supp_rates = supp_rates;
 747         params.supp_rates_len = supp_rates_len;
 748         params.set = !add;
 749         params.ext_capab = ext_capab;
 750         params.ext_capab_len = ext_capab_len;
 751         params.supp_channels = supp_channels;
 752         params.supp_channels_len = supp_channels_len;
 753         params.supp_oper_classes = supp_oper_classes;
 754         params.supp_oper_classes_len = supp_oper_classes_len;
 755
 756         return wpa_drv_sta_add(wpa_s, &params);
 757 }
 758
 759
 760 static int wpa_supplicant_tdls_enable_channel_switch(
 761         void *ctx, const u8 *addr, u8 oper_class,
 762         const struct hostapd_freq_params *params)
 763 {
 764         struct wpa_supplicant *wpa_s = ctx;
 765
 766         return wpa_drv_tdls_enable_channel_switch(wpa_s, addr, oper_class,
 767                                                   params);
 768 }
 769
 770
 771 static int wpa_supplicant_tdls_disable_channel_switch(void *ctx, const u8 *addr)
 772 {
 773         struct wpa_supplicant *wpa_s = ctx;
 774
 775         return wpa_drv_tdls_disable_channel_switch(wpa_s, addr);
 776 }
 777
 778 #endif /* CONFIG_TDLS */
 779
 780 #endif /* CONFIG_NO_WPA */
 781
 782
 783 enum wpa_ctrl_req_type wpa_supplicant_ctrl_req_from_string(const char *field)
 784 {
 785         if (os_strcmp(field, "IDENTITY") == 0)
 786                 return WPA_CTRL_REQ_EAP_IDENTITY;
 787         else if (os_strcmp(field, "PASSWORD") == 0)
 788                 return WPA_CTRL_REQ_EAP_PASSWORD;
 789         else if (os_strcmp(field, "NEW_PASSWORD") == 0)
 790                 return WPA_CTRL_REQ_EAP_NEW_PASSWORD;
 791         else if (os_strcmp(field, "PIN") == 0)
 792                 return WPA_CTRL_REQ_EAP_PIN;
 793         else if (os_strcmp(field, "OTP") == 0)
 794                 return WPA_CTRL_REQ_EAP_OTP;
 795         else if (os_strcmp(field, "PASSPHRASE") == 0)
 796                 return WPA_CTRL_REQ_EAP_PASSPHRASE;
 797         else if (os_strcmp(field, "SIM") == 0)
 798                 return WPA_CTRL_REQ_SIM;
 799         else if (os_strcmp(field, "PSK_PASSPHRASE") == 0)
 800                 return WPA_CTRL_REQ_PSK_PASSPHRASE;
 801         else if (os_strcmp(field, "EXT_CERT_CHECK") == 0)
 802                 return WPA_CTRL_REQ_EXT_CERT_CHECK;
 803         return WPA_CTRL_REQ_UNKNOWN;
 804 }
 805
 806
 807 const char * wpa_supplicant_ctrl_req_to_string(enum wpa_ctrl_req_type field,
 808                                                const char *default_txt,
 809                                                const char **txt)
 810 {
 811         const char *ret = NULL;
 812
 813         *txt = default_txt;
 814
 815         switch (field) {
 816         case WPA_CTRL_REQ_EAP_IDENTITY:
 817                 *txt = "Identity";
 818                 ret = "IDENTITY";
 819                 break;
 820         case WPA_CTRL_REQ_EAP_PASSWORD:
 821                 *txt = "Password";
 822                 ret = "PASSWORD";
 823                 break;
 824         case WPA_CTRL_REQ_EAP_NEW_PASSWORD:
 825                 *txt = "New Password";
 826                 ret = "NEW_PASSWORD";
 827                 break;
 828         case WPA_CTRL_REQ_EAP_PIN:
 829                 *txt = "PIN";
 830                 ret = "PIN";
 831                 break;
 832         case WPA_CTRL_REQ_EAP_OTP:
 833                 ret = "OTP";
 834                 break;
 835         case WPA_CTRL_REQ_EAP_PASSPHRASE:
 836                 *txt = "Private key passphrase";
 837                 ret = "PASSPHRASE";
 838                 break;
 839         case WPA_CTRL_REQ_SIM:
 840                 ret = "SIM";
 841                 break;
 842         case WPA_CTRL_REQ_PSK_PASSPHRASE:
 843                 *txt = "PSK or passphrase";
 844                 ret = "PSK_PASSPHRASE";
 845                 break;
 846         case WPA_CTRL_REQ_EXT_CERT_CHECK:
 847                 *txt = "External server certificate validation";
 848                 ret = "EXT_CERT_CHECK";
 849                 break;
 850         default:
 851                 break;
 852         }
 853
 854         /* txt needs to be something */
 855         if (*txt == NULL) {
 856                 wpa_printf(MSG_WARNING, "No message for request %d", field);
 857                 ret = NULL;
 858         }
 859
 860         return ret;
 861 }
 862
 863
 864 void wpas_send_ctrl_req(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
 865                         const char *field_name, const char *txt)
 866 {
 867         char *buf;
 868         size_t buflen;
 869         int len;
 870
 871         buflen = 100 + os_strlen(txt) + ssid->ssid_len;
 872         buf = os_malloc(buflen);
 873         if (buf == NULL)
 874                 return;
 875         len = os_snprintf(buf, buflen, "%s-%d:%s needed for SSID ",
 876                           field_name, ssid->id, txt);
 877         if (os_snprintf_error(buflen, len)) {
 878                 os_free(buf);
 879                 return;
 880         }
 881         if (ssid->ssid && buflen > len + ssid->ssid_len) {
 882                 os_memcpy(buf + len, ssid->ssid, ssid->ssid_len);
 883                 len += ssid->ssid_len;
 884                 buf[len] = '\0';
 885         }
 886         buf[buflen - 1] = '\0';
 887         wpa_msg(wpa_s, MSG_INFO, WPA_CTRL_REQ "%s", buf);
 888         os_free(buf);
 889 }
 890
 891
 892 #ifdef IEEE8021X_EAPOL
 893 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
 894 static void wpa_supplicant_eap_param_needed(void *ctx,
 895                                             enum wpa_ctrl_req_type field,
 896                                             const char *default_txt)
 897 {
 898         struct wpa_supplicant *wpa_s = ctx;
 899         struct wpa_ssid *ssid = wpa_s->current_ssid;
 900         const char *field_name, *txt = NULL;
 901
 902         if (ssid == NULL)
 903                 return;
 904
 905         if (field == WPA_CTRL_REQ_EXT_CERT_CHECK)
 906                 ssid->eap.pending_ext_cert_check = PENDING_CHECK;
 907         wpas_notify_network_request(wpa_s, ssid, field, default_txt);
 908
 909         field_name = wpa_supplicant_ctrl_req_to_string(field, default_txt,
 910                                                        &txt);
 911         if (field_name == NULL) {
 912                 wpa_printf(MSG_WARNING, "Unhandled EAP param %d needed",
 913                            field);
 914                 return;
 915         }
 916
 917         wpas_notify_eap_status(wpa_s, "eap parameter needed", field_name);
 918
 919         wpas_send_ctrl_req(wpa_s, ssid, field_name, txt);
 920 }
 921 #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
 922 #define wpa_supplicant_eap_param_needed NULL
 923 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
 924
 925
 926 #ifdef CONFIG_EAP_PROXY
 927
 928 static void wpa_supplicant_eap_proxy_cb(void *ctx)
 929 {
 930         struct wpa_supplicant *wpa_s = ctx;
 931         size_t len;
 932
 933         wpa_s->mnc_len = eapol_sm_get_eap_proxy_imsi(wpa_s->eapol, -1,
 934                                                      wpa_s->imsi, &len);
 935         if (wpa_s->mnc_len > 0) {
 936                 wpa_s->imsi[len] = '\0';
 937                 wpa_printf(MSG_DEBUG, "eap_proxy: IMSI %s (MNC length %d)",
 938                            wpa_s->imsi, wpa_s->mnc_len);
 939         } else {
 940                 wpa_printf(MSG_DEBUG, "eap_proxy: IMSI not available");
 941         }
 942 }
 943
 944
 945 static void wpa_sm_sim_state_error_handler(struct wpa_supplicant *wpa_s)
 946 {
 947         int i;
 948         struct wpa_ssid *ssid;
 949         const struct eap_method_type *eap_methods;
 950
 951         if (!wpa_s->conf)
 952                 return;
 953
 954         for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
 955                 eap_methods = ssid->eap.eap_methods;
 956                 if (!eap_methods)
 957                         continue;
 958
 959                 for (i = 0; eap_methods[i].method != EAP_TYPE_NONE; i++) {
 960                         if (eap_methods[i].vendor == EAP_VENDOR_IETF &&
 961                             (eap_methods[i].method == EAP_TYPE_SIM ||
 962                              eap_methods[i].method == EAP_TYPE_AKA ||
 963                              eap_methods[i].method == EAP_TYPE_AKA_PRIME)) {
 964                                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
 965                                 break;
 966                         }
 967                 }
 968         }
 969 }
 970
 971
 972 static void
 973 wpa_supplicant_eap_proxy_notify_sim_status(void *ctx,
 974                                            enum eap_proxy_sim_state sim_state)
 975 {
 976         struct wpa_supplicant *wpa_s = ctx;
 977
 978         wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status %u", sim_state);
 979         switch (sim_state) {
 980         case SIM_STATE_ERROR:
 981                 wpa_sm_sim_state_error_handler(wpa_s);
 982                 break;
 983         default:
 984                 wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status unknown");
 985                 break;
 986         }
 987 }
 988
 989 #endif /* CONFIG_EAP_PROXY */
 990
 991
 992 static void wpa_supplicant_port_cb(void *ctx, int authorized)
 993 {
 994         struct wpa_supplicant *wpa_s = ctx;
 995 #ifdef CONFIG_AP
 996         if (wpa_s->ap_iface) {
 997                 wpa_printf(MSG_DEBUG, "AP mode active - skip EAPOL Supplicant "
 998                            "port status: %s",
 999                            authorized ? "Authorized" : "Unauthorized");
1000                 return;
1001         }
1002 #endif /* CONFIG_AP */
1003         wpa_printf(MSG_DEBUG, "EAPOL: Supplicant port status: %s",
1004                    authorized ? "Authorized" : "Unauthorized");
1005         wpa_drv_set_supp_port(wpa_s, authorized);
1006 }
1007
1008
1009 static void wpa_supplicant_cert_cb(void *ctx, int depth, const char *subject,
1010                                    const char *altsubject[], int num_altsubject,
1011                                    const char *cert_hash,
1012                                    const struct wpabuf *cert)
1013 {
1014         struct wpa_supplicant *wpa_s = ctx;
1015
1016         wpas_notify_certification(wpa_s, depth, subject, altsubject,
1017                                   num_altsubject, cert_hash, cert);
1018 }
1019
1020
1021 static void wpa_supplicant_status_cb(void *ctx, const char *status,
1022                                      const char *parameter)
1023 {
1024         struct wpa_supplicant *wpa_s = ctx;
1025
1026         wpas_notify_eap_status(wpa_s, status, parameter);
1027 }
1028
1029
1030 static void wpa_supplicant_set_anon_id(void *ctx, const u8 *id, size_t len)
1031 {
1032         struct wpa_supplicant *wpa_s = ctx;
1033         char *str;
1034         int res;
1035
1036         wpa_hexdump_ascii(MSG_DEBUG, "EAP method updated anonymous_identity",
1037                           id, len);
1038
1039         if (wpa_s->current_ssid == NULL)
1040                 return;
1041
1042         if (id == NULL) {
1043                 if (wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
1044                                    "NULL", 0) < 0)
1045                         return;
1046         } else {
1047                 str = os_malloc(len * 2 + 1);
1048                 if (str == NULL)
1049                         return;
1050                 wpa_snprintf_hex(str, len * 2 + 1, id, len);
1051                 res = wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
1052                                      str, 0);
1053                 os_free(str);
1054                 if (res < 0)
1055                         return;
1056         }
1057
1058         if (wpa_s->conf->update_config) {
1059                 res = wpa_config_write(wpa_s->confname, wpa_s->conf);
1060                 if (res) {
1061                         wpa_printf(MSG_DEBUG, "Failed to update config after "
1062                                    "anonymous_id update");
1063                 }
1064         }
1065 }
1066 #endif /* IEEE8021X_EAPOL */
1067
1068
1069 int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s)
1070 {
1071 #ifdef IEEE8021X_EAPOL
1072         struct eapol_ctx *ctx;
1073         ctx = os_zalloc(sizeof(*ctx));
1074         if (ctx == NULL) {
1075                 wpa_printf(MSG_ERROR, "Failed to allocate EAPOL context.");
1076                 return -1;
1077         }
1078
1079         ctx->ctx = wpa_s;
1080         ctx->msg_ctx = wpa_s;
1081         ctx->eapol_send_ctx = wpa_s;
1082         ctx->preauth = 0;
1083         ctx->eapol_done_cb = wpa_supplicant_notify_eapol_done;
1084         ctx->eapol_send = wpa_supplicant_eapol_send;
1085         ctx->set_wep_key = wpa_eapol_set_wep_key;
1086 #ifndef CONFIG_NO_CONFIG_BLOBS
1087         ctx->set_config_blob = wpa_supplicant_set_config_blob;
1088         ctx->get_config_blob = wpa_supplicant_get_config_blob;
1089 #endif /* CONFIG_NO_CONFIG_BLOBS */
1090         ctx->aborted_cached = wpa_supplicant_aborted_cached;
1091         ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
1092         ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
1093         ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
1094         ctx->openssl_ciphers = wpa_s->conf->openssl_ciphers;
1095         ctx->wps = wpa_s->wps;
1096         ctx->eap_param_needed = wpa_supplicant_eap_param_needed;
1097 #ifdef CONFIG_EAP_PROXY
1098         ctx->eap_proxy_cb = wpa_supplicant_eap_proxy_cb;
1099         ctx->eap_proxy_notify_sim_status =
1100                 wpa_supplicant_eap_proxy_notify_sim_status;
1101 #endif /* CONFIG_EAP_PROXY */
1102         ctx->port_cb = wpa_supplicant_port_cb;
1103         ctx->cb = wpa_supplicant_eapol_cb;
1104         ctx->cert_cb = wpa_supplicant_cert_cb;
1105         ctx->cert_in_cb = wpa_s->conf->cert_in_cb;
1106         ctx->status_cb = wpa_supplicant_status_cb;
1107         ctx->set_anon_id = wpa_supplicant_set_anon_id;
1108         ctx->cb_ctx = wpa_s;
1109         wpa_s->eapol = eapol_sm_init(ctx);
1110         if (wpa_s->eapol == NULL) {
1111                 os_free(ctx);
1112                 wpa_printf(MSG_ERROR, "Failed to initialize EAPOL state "
1113                            "machines.");
1114                 return -1;
1115         }
1116 #endif /* IEEE8021X_EAPOL */
1117
1118         return 0;
1119 }
1120
1121
1122 #ifndef CONFIG_NO_WPA
1123
1124 static void wpa_supplicant_set_rekey_offload(void *ctx,
1125                                              const u8 *kek, size_t kek_len,
1126                                              const u8 *kck, size_t kck_len,
1127                                              const u8 *replay_ctr)
1128 {
1129         struct wpa_supplicant *wpa_s = ctx;
1130
1131         wpa_drv_set_rekey_info(wpa_s, kek, kek_len, kck, kck_len, replay_ctr);
1132 }
1133
1134
1135 static int wpa_supplicant_key_mgmt_set_pmk(void *ctx, const u8 *pmk,
1136                                            size_t pmk_len)
1137 {
1138         struct wpa_supplicant *wpa_s = ctx;
1139
1140         if (wpa_s->conf->key_mgmt_offload &&
1141             (wpa_s->drv_flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
1142                 return wpa_drv_set_key(wpa_s, WPA_ALG_PMK, NULL, 0, 0,
1143                                        NULL, 0, pmk, pmk_len);
1144         else
1145                 return 0;
1146 }
1147
1148
1149 static void wpa_supplicant_fils_hlp_rx(void *ctx, const u8 *dst, const u8 *src,
1150                                        const u8 *pkt, size_t pkt_len)
1151 {
1152         struct wpa_supplicant *wpa_s = ctx;
1153         char *hex;
1154         size_t hexlen;
1155
1156         hexlen = pkt_len * 2 + 1;
1157         hex = os_malloc(hexlen);
1158         if (!hex)
1159                 return;
1160         wpa_snprintf_hex(hex, hexlen, pkt, pkt_len);
1161         wpa_msg(wpa_s, MSG_INFO, FILS_HLP_RX "dst=" MACSTR " src=" MACSTR
1162                 " frame=%s", MAC2STR(dst), MAC2STR(src), hex);
1163         os_free(hex);
1164 }
1165
1166 #endif /* CONFIG_NO_WPA */
1167
1168
1169 int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s)
1170 {
1171 #ifndef CONFIG_NO_WPA
1172         struct wpa_sm_ctx *ctx;
1173         ctx = os_zalloc(sizeof(*ctx));
1174         if (ctx == NULL) {
1175                 wpa_printf(MSG_ERROR, "Failed to allocate WPA context.");
1176                 return -1;
1177         }
1178
1179         ctx->ctx = wpa_s;
1180         ctx->msg_ctx = wpa_s;
1181         ctx->set_state = _wpa_supplicant_set_state;
1182         ctx->get_state = _wpa_supplicant_get_state;
1183         ctx->deauthenticate = _wpa_supplicant_deauthenticate;
1184         ctx->set_key = wpa_supplicant_set_key;
1185         ctx->get_network_ctx = wpa_supplicant_get_network_ctx;
1186         ctx->get_bssid = wpa_supplicant_get_bssid;
1187         ctx->ether_send = _wpa_ether_send;
1188         ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie;
1189         ctx->alloc_eapol = _wpa_alloc_eapol;
1190         ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout;
1191         ctx->add_pmkid = wpa_supplicant_add_pmkid;
1192         ctx->remove_pmkid = wpa_supplicant_remove_pmkid;
1193 #ifndef CONFIG_NO_CONFIG_BLOBS
1194         ctx->set_config_blob = wpa_supplicant_set_config_blob;
1195         ctx->get_config_blob = wpa_supplicant_get_config_blob;
1196 #endif /* CONFIG_NO_CONFIG_BLOBS */
1197         ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection;
1198 #ifdef CONFIG_IEEE80211R
1199         ctx->update_ft_ies = wpa_supplicant_update_ft_ies;
1200         ctx->send_ft_action = wpa_supplicant_send_ft_action;
1201         ctx->mark_authenticated = wpa_supplicant_mark_authenticated;
1202 #endif /* CONFIG_IEEE80211R */
1203 #ifdef CONFIG_TDLS
1204         ctx->tdls_get_capa = wpa_supplicant_tdls_get_capa;
1205         ctx->send_tdls_mgmt = wpa_supplicant_send_tdls_mgmt;
1206         ctx->tdls_oper = wpa_supplicant_tdls_oper;
1207         ctx->tdls_peer_addset = wpa_supplicant_tdls_peer_addset;
1208         ctx->tdls_enable_channel_switch =
1209                 wpa_supplicant_tdls_enable_channel_switch;
1210         ctx->tdls_disable_channel_switch =
1211                 wpa_supplicant_tdls_disable_channel_switch;
1212 #endif /* CONFIG_TDLS */
1213         ctx->set_rekey_offload = wpa_supplicant_set_rekey_offload;
1214         ctx->key_mgmt_set_pmk = wpa_supplicant_key_mgmt_set_pmk;
1215         ctx->fils_hlp_rx = wpa_supplicant_fils_hlp_rx;
1216
1217         wpa_s->wpa = wpa_sm_init(ctx);
1218         if (wpa_s->wpa == NULL) {
1219                 wpa_printf(MSG_ERROR, "Failed to initialize WPA state "
1220                            "machine");
1221                 os_free(ctx);
1222                 return -1;
1223         }
1224 #endif /* CONFIG_NO_WPA */
1225
1226         return 0;
1227 }
1228
1229
1230 void wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant *wpa_s,
1231                                         struct wpa_ssid *ssid)
1232 {
1233         struct rsn_supp_config conf;
1234         if (ssid) {
1235                 os_memset(&conf, 0, sizeof(conf));
1236                 conf.network_ctx = ssid;
1237                 conf.peerkey_enabled = ssid->peerkey;
1238                 conf.allowed_pairwise_cipher = ssid->pairwise_cipher;
1239 #ifdef IEEE8021X_EAPOL
1240                 conf.proactive_key_caching = ssid->proactive_key_caching < 0 ?
1241                         wpa_s->conf->okc : ssid->proactive_key_caching;
1242                 conf.eap_workaround = ssid->eap_workaround;
1243                 conf.eap_conf_ctx = &ssid->eap;
1244 #endif /* IEEE8021X_EAPOL */
1245                 conf.ssid = ssid->ssid;
1246                 conf.ssid_len = ssid->ssid_len;
1247                 conf.wpa_ptk_rekey = ssid->wpa_ptk_rekey;
1248 #ifdef CONFIG_P2P
1249                 if (ssid->p2p_group && wpa_s->current_bss &&
1250                     !wpa_s->p2p_disable_ip_addr_req) {
1251                         struct wpabuf *p2p;
1252                         p2p = wpa_bss_get_vendor_ie_multi(wpa_s->current_bss,
1253                                                           P2P_IE_VENDOR_TYPE);
1254                         if (p2p) {
1255                                 u8 group_capab;
1256                                 group_capab = p2p_get_group_capab(p2p);
1257                                 if (group_capab &
1258                                     P2P_GROUP_CAPAB_IP_ADDR_ALLOCATION)
1259                                         conf.p2p = 1;
1260                                 wpabuf_free(p2p);
1261                         }
1262                 }
1263 #endif /* CONFIG_P2P */
1264                 conf.wpa_rsc_relaxation = wpa_s->conf->wpa_rsc_relaxation;
1265 #ifdef CONFIG_FILS
1266                 if (wpa_key_mgmt_fils(wpa_s->key_mgmt))
1267                         conf.fils_cache_id =
1268                                 wpa_bss_get_fils_cache_id(wpa_s->current_bss);
1269 #endif /* CONFIG_FILS */
1270         }
1271         wpa_sm_set_config(wpa_s->wpa, ssid ? &conf : NULL);
1272 }