dist/wpa/wpa_supplicant/wpas_glue.c

   1 /*
   2  * WPA Supplicant - Glue code to setup EAPOL and RSN modules
   3  * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * Alternatively, this software may be distributed under the terms of BSD
  10  * license.
  11  *
  12  * See README and COPYING for more details.
  13  */
  14
  15 #include "includes.h"
  16
  17 #include "common.h"
  18 #include "eapol_supp/eapol_supp_sm.h"
  19 #include "wpa.h"
  20 #include "eloop.h"
  21 #include "config.h"
  22 #include "l2_packet/l2_packet.h"
  23 #include "wpa_common.h"
  24 #include "wpa_supplicant_i.h"
  25 #include "pmksa_cache.h"
  26 #include "mlme.h"
  27 #include "ieee802_11_defs.h"
  28 #include "wpa_ctrl.h"
  29 #include "wpas_glue.h"
  30
  31
  32 #ifndef CONFIG_NO_CONFIG_BLOBS
  33 #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
  34 static void wpa_supplicant_set_config_blob(void *ctx,
  35                                            struct wpa_config_blob *blob)
  36 {
  37         struct wpa_supplicant *wpa_s = ctx;
  38         wpa_config_set_blob(wpa_s->conf, blob);
  39 }
  40
  41
  42 static const struct wpa_config_blob *
  43 wpa_supplicant_get_config_blob(void *ctx, const char *name)
  44 {
  45         struct wpa_supplicant *wpa_s = ctx;
  46         return wpa_config_get_blob(wpa_s->conf, name);
  47 }
  48 #endif /* defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) */
  49 #endif /* CONFIG_NO_CONFIG_BLOBS */
  50
  51
  52 #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
  53 static u8 * wpa_alloc_eapol(const struct wpa_supplicant *wpa_s, u8 type,
  54                             const void *data, u16 data_len,
  55                             size_t *msg_len, void **data_pos)
  56 {
  57         struct ieee802_1x_hdr *hdr;
  58
  59         *msg_len = sizeof(*hdr) + data_len;
  60         hdr = os_malloc(*msg_len);
  61         if (hdr == NULL)
  62                 return NULL;
  63
  64         hdr->version = wpa_s->conf->eapol_version;
  65         hdr->type = type;
  66         hdr->length = host_to_be16(data_len);
  67
  68         if (data)
  69                 os_memcpy(hdr + 1, data, data_len);
  70         else
  71                 os_memset(hdr + 1, 0, data_len);
  72
  73         if (data_pos)
  74                 *data_pos = hdr + 1;
  75
  76         return (u8 *) hdr;
  77 }
  78
  79
  80 /**
  81  * wpa_ether_send - Send Ethernet frame
  82  * @wpa_s: Pointer to wpa_supplicant data
  83  * @dest: Destination MAC address
  84  * @proto: Ethertype in host byte order
  85  * @buf: Frame payload starting from IEEE 802.1X header
  86  * @len: Frame payload length
  87  * Returns: >=0 on success, <0 on failure
  88  */
  89 static int wpa_ether_send(struct wpa_supplicant *wpa_s, const u8 *dest,
  90                           u16 proto, const u8 *buf, size_t len)
  91 {
  92         if (wpa_s->l2) {
  93                 return l2_packet_send(wpa_s->l2, dest, proto, buf, len);
  94         }
  95
  96         return wpa_drv_send_eapol(wpa_s, dest, proto, buf, len);
  97 }
  98 #endif /* IEEE8021X_EAPOL || !CONFIG_NO_WPA */
  99
 100
 101 #ifdef IEEE8021X_EAPOL
 102
 103 /**
 104  * wpa_supplicant_eapol_send - Send IEEE 802.1X EAPOL packet to Authenticator
 105  * @ctx: Pointer to wpa_supplicant data (wpa_s)
 106  * @type: IEEE 802.1X packet type (IEEE802_1X_TYPE_*)
 107  * @buf: EAPOL payload (after IEEE 802.1X header)
 108  * @len: EAPOL payload length
 109  * Returns: >=0 on success, <0 on failure
 110  *
 111  * This function adds Ethernet and IEEE 802.1X header and sends the EAPOL frame
 112  * to the current Authenticator.
 113  */
 114 static int wpa_supplicant_eapol_send(void *ctx, int type, const u8 *buf,
 115                                      size_t len)
 116 {
 117         struct wpa_supplicant *wpa_s = ctx;
 118         u8 *msg, *dst, bssid[ETH_ALEN];
 119         size_t msglen;
 120         int res;
 121
 122         /* TODO: could add l2_packet_sendmsg that allows fragments to avoid
 123          * extra copy here */
 124
 125         if (wpa_s->key_mgmt == WPA_KEY_MGMT_PSK ||
 126             wpa_s->key_mgmt == WPA_KEY_MGMT_FT_PSK ||
 127             wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) {
 128                 /* Current SSID is not using IEEE 802.1X/EAP, so drop possible
 129                  * EAPOL frames (mainly, EAPOL-Start) from EAPOL state
 130                  * machines. */
 131                 wpa_printf(MSG_DEBUG, "WPA: drop TX EAPOL in non-IEEE 802.1X "
 132                            "mode (type=%d len=%lu)", type,
 133                            (unsigned long) len);
 134                 return -1;
 135         }
 136
 137         if (pmksa_cache_get_current(wpa_s->wpa) &&
 138             type == IEEE802_1X_TYPE_EAPOL_START) {
 139                 /* Trying to use PMKSA caching - do not send EAPOL-Start frames
 140                  * since they will trigger full EAPOL authentication. */
 141                 wpa_printf(MSG_DEBUG, "RSN: PMKSA caching - do not send "
 142                            "EAPOL-Start");
 143                 return -1;
 144         }
 145
 146         if (is_zero_ether_addr(wpa_s->bssid)) {
 147                 wpa_printf(MSG_DEBUG, "BSSID not set when trying to send an "
 148                            "EAPOL frame");
 149                 if (wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
 150                     !is_zero_ether_addr(bssid)) {
 151                         dst = bssid;
 152                         wpa_printf(MSG_DEBUG, "Using current BSSID " MACSTR
 153                                    " from the driver as the EAPOL destination",
 154                                    MAC2STR(dst));
 155                 } else {
 156                         dst = wpa_s->last_eapol_src;
 157                         wpa_printf(MSG_DEBUG, "Using the source address of the"
 158                                    " last received EAPOL frame " MACSTR " as "
 159                                    "the EAPOL destination",
 160                                    MAC2STR(dst));
 161                 }
 162         } else {
 163                 /* BSSID was already set (from (Re)Assoc event, so use it as
 164                  * the EAPOL destination. */
 165                 dst = wpa_s->bssid;
 166         }
 167
 168         msg = wpa_alloc_eapol(wpa_s, type, buf, len, &msglen, NULL);
 169         if (msg == NULL)
 170                 return -1;
 171
 172         wpa_printf(MSG_DEBUG, "TX EAPOL: dst=" MACSTR, MAC2STR(dst));
 173         wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", msg, msglen);
 174         res = wpa_ether_send(wpa_s, dst, ETH_P_EAPOL, msg, msglen);
 175         os_free(msg);
 176         return res;
 177 }
 178
 179
 180 /**
 181  * wpa_eapol_set_wep_key - set WEP key for the driver
 182  * @ctx: Pointer to wpa_supplicant data (wpa_s)
 183  * @unicast: 1 = individual unicast key, 0 = broadcast key
 184  * @keyidx: WEP key index (0..3)
 185  * @key: Pointer to key data
 186  * @keylen: Key length in bytes
 187  * Returns: 0 on success or < 0 on error.
 188  */
 189 static int wpa_eapol_set_wep_key(void *ctx, int unicast, int keyidx,
 190                                  const u8 *key, size_t keylen)
 191 {
 192         struct wpa_supplicant *wpa_s = ctx;
 193         if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
 194                 int cipher = (keylen == 5) ? WPA_CIPHER_WEP40 :
 195                         WPA_CIPHER_WEP104;
 196                 if (unicast)
 197                         wpa_s->pairwise_cipher = cipher;
 198                 else
 199                         wpa_s->group_cipher = cipher;
 200         }
 201         return wpa_drv_set_key(wpa_s, WPA_ALG_WEP,
 202                                unicast ? wpa_s->bssid :
 203                                (u8 *) "\xff\xff\xff\xff\xff\xff",
 204                                keyidx, unicast, (u8 *) "", 0, key, keylen);
 205 }
 206
 207
 208 static void wpa_supplicant_aborted_cached(void *ctx)
 209 {
 210         struct wpa_supplicant *wpa_s = ctx;
 211         wpa_sm_aborted_cached(wpa_s->wpa);
 212 }
 213
 214
 215 static void wpa_supplicant_eapol_cb(struct eapol_sm *eapol, int success,
 216                                     void *ctx)
 217 {
 218         struct wpa_supplicant *wpa_s = ctx;
 219         int res, pmk_len;
 220         u8 pmk[PMK_LEN];
 221
 222         wpa_printf(MSG_DEBUG, "EAPOL authentication completed %ssuccessfully",
 223                    success ? "" : "un");
 224
 225         if (!success || !wpa_s->driver_4way_handshake)
 226                 return;
 227
 228         if (wpa_s->key_mgmt != WPA_KEY_MGMT_IEEE8021X &&
 229             wpa_s->key_mgmt != WPA_KEY_MGMT_FT_IEEE8021X)
 230                 return;
 231
 232         wpa_printf(MSG_DEBUG, "Configure PMK for driver-based RSN 4-way "
 233                    "handshake");
 234
 235         pmk_len = PMK_LEN;
 236         res = eapol_sm_get_key(eapol, pmk, PMK_LEN);
 237         if (res) {
 238                 /*
 239                  * EAP-LEAP is an exception from other EAP methods: it
 240                  * uses only 16-byte PMK.
 241                  */
 242                 res = eapol_sm_get_key(eapol, pmk, 16);
 243                 pmk_len = 16;
 244         }
 245
 246         if (res) {
 247                 wpa_printf(MSG_DEBUG, "Failed to get PMK from EAPOL state "
 248                            "machines");
 249                 return;
 250         }
 251
 252         if (wpa_drv_set_key(wpa_s, WPA_ALG_PMK, NULL, 0, 0, NULL, 0, pmk,
 253                             pmk_len)) {
 254                 wpa_printf(MSG_DEBUG, "Failed to set PMK to the driver");
 255         }
 256
 257         wpa_supplicant_cancel_scan(wpa_s);
 258         wpa_supplicant_cancel_auth_timeout(wpa_s);
 259         wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 260
 261 }
 262
 263
 264 static void wpa_supplicant_notify_eapol_done(void *ctx)
 265 {
 266         struct wpa_supplicant *wpa_s = ctx;
 267         wpa_msg(wpa_s, MSG_DEBUG, "WPA: EAPOL processing complete");
 268         if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X ||
 269             wpa_s->key_mgmt == WPA_KEY_MGMT_FT_IEEE8021X) {
 270                 wpa_supplicant_set_state(wpa_s, WPA_4WAY_HANDSHAKE);
 271         } else {
 272                 wpa_supplicant_cancel_auth_timeout(wpa_s);
 273                 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 274         }
 275 }
 276
 277 #endif /* IEEE8021X_EAPOL */
 278
 279
 280 #ifndef CONFIG_NO_WPA
 281
 282 static int wpa_get_beacon_ie(struct wpa_supplicant *wpa_s)
 283 {
 284         size_t i;
 285         int ret = 0;
 286         struct wpa_scan_res *curr = NULL;
 287         struct wpa_ssid *ssid = wpa_s->current_ssid;
 288         const u8 *ie;
 289
 290         if (wpa_s->scan_res == NULL)
 291                 return -1;
 292
 293         for (i = 0; i < wpa_s->scan_res->num; i++) {
 294                 struct wpa_scan_res *r = wpa_s->scan_res->res[i];
 295                 if (os_memcmp(r->bssid, wpa_s->bssid, ETH_ALEN) != 0)
 296                         continue;
 297                 ie = wpa_scan_get_ie(r, WLAN_EID_SSID);
 298                 if (ssid == NULL ||
 299                     ((ie && ie[1] == ssid->ssid_len &&
 300                       os_memcmp(ie + 2, ssid->ssid, ssid->ssid_len) == 0) ||
 301                      ssid->ssid_len == 0)) {
 302                         curr = r;
 303                         break;
 304                 }
 305         }
 306
 307         if (curr) {
 308                 ie = wpa_scan_get_vendor_ie(curr, WPA_IE_VENDOR_TYPE);
 309                 if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
 310                         ret = -1;
 311
 312                 ie = wpa_scan_get_ie(curr, WLAN_EID_RSN);
 313                 if (wpa_sm_set_ap_rsn_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
 314                         ret = -1;
 315         } else {
 316                 ret = -1;
 317         }
 318
 319         return ret;
 320 }
 321
 322
 323 static int wpa_supplicant_get_beacon_ie(void *ctx)
 324 {
 325         struct wpa_supplicant *wpa_s = ctx;
 326         if (wpa_get_beacon_ie(wpa_s) == 0) {
 327                 return 0;
 328         }
 329
 330         /* No WPA/RSN IE found in the cached scan results. Try to get updated
 331          * scan results from the driver. */
 332         if (wpa_supplicant_get_scan_results(wpa_s) < 0) {
 333                 return -1;
 334         }
 335
 336         return wpa_get_beacon_ie(wpa_s);
 337 }
 338
 339
 340 static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type,
 341                              const void *data, u16 data_len,
 342                              size_t *msg_len, void **data_pos)
 343 {
 344         return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos);
 345 }
 346
 347
 348 static int _wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto,
 349                            const u8 *buf, size_t len)
 350 {
 351         return wpa_ether_send(wpa_s, dest, proto, buf, len);
 352 }
 353
 354
 355 static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s)
 356 {
 357         wpa_supplicant_cancel_auth_timeout(wpa_s);
 358 }
 359
 360
 361 static void _wpa_supplicant_set_state(void *wpa_s, wpa_states state)
 362 {
 363         wpa_supplicant_set_state(wpa_s, state);
 364 }
 365
 366
 367 /**
 368  * wpa_supplicant_get_state - Get the connection state
 369  * @wpa_s: Pointer to wpa_supplicant data
 370  * Returns: The current connection state (WPA_*)
 371  */
 372 static wpa_states wpa_supplicant_get_state(struct wpa_supplicant *wpa_s)
 373 {
 374         return wpa_s->wpa_state;
 375 }
 376
 377
 378 static wpa_states _wpa_supplicant_get_state(void *wpa_s)
 379 {
 380         return wpa_supplicant_get_state(wpa_s);
 381 }
 382
 383
 384 static void _wpa_supplicant_disassociate(void *wpa_s, int reason_code)
 385 {
 386         wpa_supplicant_disassociate(wpa_s, reason_code);
 387         /* Schedule a scan to make sure we continue looking for networks */
 388         wpa_supplicant_req_scan(wpa_s, 0, 0);
 389 }
 390
 391
 392 static void _wpa_supplicant_deauthenticate(void *wpa_s, int reason_code)
 393 {
 394         wpa_supplicant_deauthenticate(wpa_s, reason_code);
 395         /* Schedule a scan to make sure we continue looking for networks */
 396         wpa_supplicant_req_scan(wpa_s, 0, 0);
 397 }
 398
 399
 400 static void * wpa_supplicant_get_network_ctx(void *wpa_s)
 401 {
 402         return wpa_supplicant_get_ssid(wpa_s);
 403 }
 404
 405
 406 static int wpa_supplicant_get_bssid(void *ctx, u8 *bssid)
 407 {
 408         struct wpa_supplicant *wpa_s = ctx;
 409         if (wpa_s->use_client_mlme) {
 410                 os_memcpy(bssid, wpa_s->bssid, ETH_ALEN);
 411                 return 0;
 412         }
 413         return wpa_drv_get_bssid(wpa_s, bssid);
 414 }
 415
 416
 417 static int wpa_supplicant_set_key(void *wpa_s, wpa_alg alg,
 418                                   const u8 *addr, int key_idx, int set_tx,
 419                                   const u8 *seq, size_t seq_len,
 420                                   const u8 *key, size_t key_len)
 421 {
 422         return wpa_drv_set_key(wpa_s, alg, addr, key_idx, set_tx, seq, seq_len,
 423                                key, key_len);
 424 }
 425
 426
 427 static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr,
 428                                              int protection_type,
 429                                              int key_type)
 430 {
 431         return wpa_drv_mlme_setprotection(wpa_s, addr, protection_type,
 432                                           key_type);
 433 }
 434
 435
 436 static int wpa_supplicant_add_pmkid(void *wpa_s,
 437                                     const u8 *bssid, const u8 *pmkid)
 438 {
 439         return wpa_drv_add_pmkid(wpa_s, bssid, pmkid);
 440 }
 441
 442
 443 static int wpa_supplicant_remove_pmkid(void *wpa_s,
 444                                        const u8 *bssid, const u8 *pmkid)
 445 {
 446         return wpa_drv_remove_pmkid(wpa_s, bssid, pmkid);
 447 }
 448
 449
 450 #ifdef CONFIG_IEEE80211R
 451 static int wpa_supplicant_update_ft_ies(void *ctx, const u8 *md,
 452                                         const u8 *ies, size_t ies_len)
 453 {
 454         struct wpa_supplicant *wpa_s = ctx;
 455         if (wpa_s->use_client_mlme)
 456                 return ieee80211_sta_update_ft_ies(wpa_s, md, ies, ies_len);
 457         return wpa_drv_update_ft_ies(wpa_s, md, ies, ies_len);
 458 }
 459
 460
 461 static int wpa_supplicant_send_ft_action(void *ctx, u8 action,
 462                                          const u8 *target_ap,
 463                                          const u8 *ies, size_t ies_len)
 464 {
 465         struct wpa_supplicant *wpa_s = ctx;
 466         if (wpa_s->use_client_mlme)
 467                 return ieee80211_sta_send_ft_action(wpa_s, action, target_ap,
 468                                                     ies, ies_len);
 469         return wpa_drv_send_ft_action(wpa_s, action, target_ap, ies, ies_len);
 470 }
 471 #endif /* CONFIG_IEEE80211R */
 472
 473 #endif /* CONFIG_NO_WPA */
 474
 475
 476 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
 477 static void wpa_supplicant_eap_param_needed(void *ctx, const char *field,
 478                                             const char *txt)
 479 {
 480         struct wpa_supplicant *wpa_s = ctx;
 481         struct wpa_ssid *ssid = wpa_s->current_ssid;
 482         char *buf;
 483         size_t buflen;
 484         int len;
 485
 486         if (ssid == NULL)
 487                 return;
 488
 489         buflen = 100 + os_strlen(txt) + ssid->ssid_len;
 490         buf = os_malloc(buflen);
 491         if (buf == NULL)
 492                 return;
 493         len = os_snprintf(buf, buflen,
 494                           WPA_CTRL_REQ "%s-%d:%s needed for SSID ",
 495                           field, ssid->id, txt);
 496         if (len < 0 || (size_t) len >= buflen) {
 497                 os_free(buf);
 498                 return;
 499         }
 500         if (ssid->ssid && buflen > len + ssid->ssid_len) {
 501                 os_memcpy(buf + len, ssid->ssid, ssid->ssid_len);
 502                 len += ssid->ssid_len;
 503                 buf[len] = '\0';
 504         }
 505         buf[buflen - 1] = '\0';
 506         wpa_msg(wpa_s, MSG_INFO, "%s", buf);
 507         os_free(buf);
 508 }
 509 #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
 510 #define wpa_supplicant_eap_param_needed NULL
 511 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
 512
 513
 514 int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s)
 515 {
 516 #ifdef IEEE8021X_EAPOL
 517         struct eapol_ctx *ctx;
 518         ctx = os_zalloc(sizeof(*ctx));
 519         if (ctx == NULL) {
 520                 wpa_printf(MSG_ERROR, "Failed to allocate EAPOL context.");
 521                 return -1;
 522         }
 523
 524         ctx->ctx = wpa_s;
 525         ctx->msg_ctx = wpa_s;
 526         ctx->eapol_send_ctx = wpa_s;
 527         ctx->preauth = 0;
 528         ctx->eapol_done_cb = wpa_supplicant_notify_eapol_done;
 529         ctx->eapol_send = wpa_supplicant_eapol_send;
 530         ctx->set_wep_key = wpa_eapol_set_wep_key;
 531         ctx->set_config_blob = wpa_supplicant_set_config_blob;
 532         ctx->get_config_blob = wpa_supplicant_get_config_blob;
 533         ctx->aborted_cached = wpa_supplicant_aborted_cached;
 534 #ifdef EAP_TLS_OPENSSL
 535         ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
 536         ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
 537         ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
 538 #endif /* EAP_TLS_OPENSSL */
 539         ctx->eap_param_needed = wpa_supplicant_eap_param_needed;
 540         ctx->cb = wpa_supplicant_eapol_cb;
 541         ctx->cb_ctx = wpa_s;
 542         wpa_s->eapol = eapol_sm_init(ctx);
 543         if (wpa_s->eapol == NULL) {
 544                 os_free(ctx);
 545                 wpa_printf(MSG_ERROR, "Failed to initialize EAPOL state "
 546                            "machines.");
 547                 return -1;
 548         }
 549 #endif /* IEEE8021X_EAPOL */
 550
 551         return 0;
 552 }
 553
 554
 555 int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s)
 556 {
 557 #ifndef CONFIG_NO_WPA
 558         struct wpa_sm_ctx *ctx;
 559         ctx = os_zalloc(sizeof(*ctx));
 560         if (ctx == NULL) {
 561                 wpa_printf(MSG_ERROR, "Failed to allocate WPA context.");
 562                 return -1;
 563         }
 564
 565         ctx->ctx = wpa_s;
 566         ctx->set_state = _wpa_supplicant_set_state;
 567         ctx->get_state = _wpa_supplicant_get_state;
 568         ctx->deauthenticate = _wpa_supplicant_deauthenticate;
 569         ctx->disassociate = _wpa_supplicant_disassociate;
 570         ctx->set_key = wpa_supplicant_set_key;
 571         ctx->get_network_ctx = wpa_supplicant_get_network_ctx;
 572         ctx->get_bssid = wpa_supplicant_get_bssid;
 573         ctx->ether_send = _wpa_ether_send;
 574         ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie;
 575         ctx->alloc_eapol = _wpa_alloc_eapol;
 576         ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout;
 577         ctx->add_pmkid = wpa_supplicant_add_pmkid;
 578         ctx->remove_pmkid = wpa_supplicant_remove_pmkid;
 579 #ifndef CONFIG_NO_CONFIG_BLOBS
 580         ctx->set_config_blob = wpa_supplicant_set_config_blob;
 581         ctx->get_config_blob = wpa_supplicant_get_config_blob;
 582 #endif /* CONFIG_NO_CONFIG_BLOBS */
 583         ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection;
 584 #ifdef CONFIG_IEEE80211R
 585         ctx->update_ft_ies = wpa_supplicant_update_ft_ies;
 586         ctx->send_ft_action = wpa_supplicant_send_ft_action;
 587 #endif /* CONFIG_IEEE80211R */
 588
 589         wpa_s->wpa = wpa_sm_init(ctx);
 590         if (wpa_s->wpa == NULL) {
 591                 wpa_printf(MSG_ERROR, "Failed to initialize WPA state "
 592                            "machine");
 593                 return -1;
 594         }
 595 #endif /* CONFIG_NO_WPA */
 596
 597         return 0;
 598 }
 599
 600
 601 void wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant *wpa_s,
 602                                         struct wpa_ssid *ssid)
 603 {
 604         struct rsn_supp_config conf;
 605         if (ssid) {
 606                 os_memset(&conf, 0, sizeof(conf));
 607                 conf.network_ctx = ssid;
 608                 conf.peerkey_enabled = ssid->peerkey;
 609                 conf.allowed_pairwise_cipher = ssid->pairwise_cipher;
 610 #ifdef IEEE8021X_EAPOL
 611                 conf.eap_workaround = ssid->eap_workaround;
 612                 conf.eap_conf_ctx = &ssid->eap;
 613 #endif /* IEEE8021X_EAPOL */
 614                 conf.ssid = ssid->ssid;
 615                 conf.ssid_len = ssid->ssid_len;
 616         }
 617         wpa_sm_set_config(wpa_s->wpa, ssid ? &conf : NULL);
 618 }