wpa_supplicant/wpas_glue.c

   1 /*
   2  * WPA Supplicant - Glue code to setup EAPOL and RSN modules
   3  * Copyright (c) 2003-2008, 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 "rsn_supp/wpa.h"
  20 #include "eloop.h"
  21 #include "config.h"
  22 #include "l2_packet/l2_packet.h"
  23 #include "common/wpa_common.h"
  24 #include "wpa_supplicant_i.h"
  25 #include "driver_i.h"
  26 #include "rsn_supp/pmksa_cache.h"
  27 #include "mlme.h"
  28 #include "sme.h"
  29 #include "common/ieee802_11_defs.h"
  30 #include "common/wpa_ctrl.h"
  31 #include "wpas_glue.h"
  32 #include "wps_supplicant.h"
  33
  34
  35 #ifndef CONFIG_NO_CONFIG_BLOBS
  36 #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
  37 static void wpa_supplicant_set_config_blob(void *ctx,
  38                                            struct wpa_config_blob *blob)
  39 {
  40         struct wpa_supplicant *wpa_s = ctx;
  41         wpa_config_set_blob(wpa_s->conf, blob);
  42         if (wpa_s->conf->update_config) {
  43                 int ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
  44                 if (ret) {
  45                         wpa_printf(MSG_DEBUG, "Failed to update config after "
  46                                    "blob set");
  47                 }
  48         }
  49 }
  50
  51
  52 static const struct wpa_config_blob *
  53 wpa_supplicant_get_config_blob(void *ctx, const char *name)
  54 {
  55         struct wpa_supplicant *wpa_s = ctx;
  56         return wpa_config_get_blob(wpa_s->conf, name);
  57 }
  58 #endif /* defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) */
  59 #endif /* CONFIG_NO_CONFIG_BLOBS */
  60
  61
  62 #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
  63 static u8 * wpa_alloc_eapol(const struct wpa_supplicant *wpa_s, u8 type,
  64                             const void *data, u16 data_len,
  65                             size_t *msg_len, void **data_pos)
  66 {
  67         struct ieee802_1x_hdr *hdr;
  68
  69         *msg_len = sizeof(*hdr) + data_len;
  70         hdr = os_malloc(*msg_len);
  71         if (hdr == NULL)
  72                 return NULL;
  73
  74         hdr->version = wpa_s->conf->eapol_version;
  75         hdr->type = type;
  76         hdr->length = host_to_be16(data_len);
  77
  78         if (data)
  79                 os_memcpy(hdr + 1, data, data_len);
  80         else
  81                 os_memset(hdr + 1, 0, data_len);
  82
  83         if (data_pos)
  84                 *data_pos = hdr + 1;
  85
  86         return (u8 *) hdr;
  87 }
  88
  89
  90 /**
  91  * wpa_ether_send - Send Ethernet frame
  92  * @wpa_s: Pointer to wpa_supplicant data
  93  * @dest: Destination MAC address
  94  * @proto: Ethertype in host byte order
  95  * @buf: Frame payload starting from IEEE 802.1X header
  96  * @len: Frame payload length
  97  * Returns: >=0 on success, <0 on failure
  98  */
  99 static int wpa_ether_send(struct wpa_supplicant *wpa_s, const u8 *dest,
 100                           u16 proto, const u8 *buf, size_t len)
 101 {
 102         if (wpa_s->l2) {
 103                 return l2_packet_send(wpa_s->l2, dest, proto, buf, len);
 104         }
 105
 106         return wpa_drv_send_eapol(wpa_s, dest, proto, buf, len);
 107 }
 108 #endif /* IEEE8021X_EAPOL || !CONFIG_NO_WPA */
 109
 110
 111 #ifdef IEEE8021X_EAPOL
 112
 113 /**
 114  * wpa_supplicant_eapol_send - Send IEEE 802.1X EAPOL packet to Authenticator
 115  * @ctx: Pointer to wpa_supplicant data (wpa_s)
 116  * @type: IEEE 802.1X packet type (IEEE802_1X_TYPE_*)
 117  * @buf: EAPOL payload (after IEEE 802.1X header)
 118  * @len: EAPOL payload length
 119  * Returns: >=0 on success, <0 on failure
 120  *
 121  * This function adds Ethernet and IEEE 802.1X header and sends the EAPOL frame
 122  * to the current Authenticator.
 123  */
 124 static int wpa_supplicant_eapol_send(void *ctx, int type, const u8 *buf,
 125                                      size_t len)
 126 {
 127         struct wpa_supplicant *wpa_s = ctx;
 128         u8 *msg, *dst, bssid[ETH_ALEN];
 129         size_t msglen;
 130         int res;
 131
 132         /* TODO: could add l2_packet_sendmsg that allows fragments to avoid
 133          * extra copy here */
 134
 135         if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
 136             wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) {
 137                 /* Current SSID is not using IEEE 802.1X/EAP, so drop possible
 138                  * EAPOL frames (mainly, EAPOL-Start) from EAPOL state
 139                  * machines. */
 140                 wpa_printf(MSG_DEBUG, "WPA: drop TX EAPOL in non-IEEE 802.1X "
 141                            "mode (type=%d len=%lu)", type,
 142                            (unsigned long) len);
 143                 return -1;
 144         }
 145
 146         if (pmksa_cache_get_current(wpa_s->wpa) &&
 147             type == IEEE802_1X_TYPE_EAPOL_START) {
 148                 /* Trying to use PMKSA caching - do not send EAPOL-Start frames
 149                  * since they will trigger full EAPOL authentication. */
 150                 wpa_printf(MSG_DEBUG, "RSN: PMKSA caching - do not send "
 151                            "EAPOL-Start");
 152                 return -1;
 153         }
 154
 155         if (is_zero_ether_addr(wpa_s->bssid)) {
 156                 wpa_printf(MSG_DEBUG, "BSSID not set when trying to send an "
 157                            "EAPOL frame");
 158                 if (wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
 159                     !is_zero_ether_addr(bssid)) {
 160                         dst = bssid;
 161                         wpa_printf(MSG_DEBUG, "Using current BSSID " MACSTR
 162                                    " from the driver as the EAPOL destination",
 163                                    MAC2STR(dst));
 164                 } else {
 165                         dst = wpa_s->last_eapol_src;
 166                         wpa_printf(MSG_DEBUG, "Using the source address of the"
 167                                    " last received EAPOL frame " MACSTR " as "
 168                                    "the EAPOL destination",
 169                                    MAC2STR(dst));
 170                 }
 171         } else {
 172                 /* BSSID was already set (from (Re)Assoc event, so use it as
 173                  * the EAPOL destination. */
 174                 dst = wpa_s->bssid;
 175         }
 176
 177         msg = wpa_alloc_eapol(wpa_s, type, buf, len, &msglen, NULL);
 178         if (msg == NULL)
 179                 return -1;
 180
 181         wpa_printf(MSG_DEBUG, "TX EAPOL: dst=" MACSTR, MAC2STR(dst));
 182         wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", msg, msglen);
 183         res = wpa_ether_send(wpa_s, dst, ETH_P_EAPOL, msg, msglen);
 184         os_free(msg);
 185         return res;
 186 }
 187
 188
 189 /**
 190  * wpa_eapol_set_wep_key - set WEP key for the driver
 191  * @ctx: Pointer to wpa_supplicant data (wpa_s)
 192  * @unicast: 1 = individual unicast key, 0 = broadcast key
 193  * @keyidx: WEP key index (0..3)
 194  * @key: Pointer to key data
 195  * @keylen: Key length in bytes
 196  * Returns: 0 on success or < 0 on error.
 197  */
 198 static int wpa_eapol_set_wep_key(void *ctx, int unicast, int keyidx,
 199                                  const u8 *key, size_t keylen)
 200 {
 201         struct wpa_supplicant *wpa_s = ctx;
 202         if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
 203                 int cipher = (keylen == 5) ? WPA_CIPHER_WEP40 :
 204                         WPA_CIPHER_WEP104;
 205                 if (unicast)
 206                         wpa_s->pairwise_cipher = cipher;
 207                 else
 208                         wpa_s->group_cipher = cipher;
 209         }
 210         return wpa_drv_set_key(wpa_s, WPA_ALG_WEP,
 211                                unicast ? wpa_s->bssid :
 212                                (u8 *) "\xff\xff\xff\xff\xff\xff",
 213                                keyidx, unicast, (u8 *) "", 0, key, keylen);
 214 }
 215
 216
 217 static void wpa_supplicant_aborted_cached(void *ctx)
 218 {
 219         struct wpa_supplicant *wpa_s = ctx;
 220         wpa_sm_aborted_cached(wpa_s->wpa);
 221 }
 222
 223
 224 static void wpa_supplicant_eapol_cb(struct eapol_sm *eapol, int success,
 225                                     void *ctx)
 226 {
 227         struct wpa_supplicant *wpa_s = ctx;
 228         int res, pmk_len;
 229         u8 pmk[PMK_LEN];
 230
 231         wpa_printf(MSG_DEBUG, "EAPOL authentication completed %ssuccessfully",
 232                    success ? "" : "un");
 233
 234         if (wpas_wps_eapol_cb(wpa_s) > 0)
 235                 return;
 236
 237         if (!success) {
 238                 /*
 239                  * Make sure we do not get stuck here waiting for long EAPOL
 240                  * timeout if the AP does not disconnect in case of
 241                  * authentication failure.
 242                  */
 243                 wpa_supplicant_req_auth_timeout(wpa_s, 2, 0);
 244         }
 245
 246         if (!success || !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE))
 247                 return;
 248
 249         if (!wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt))
 250                 return;
 251
 252         wpa_printf(MSG_DEBUG, "Configure PMK for driver-based RSN 4-way "
 253                    "handshake");
 254
 255         pmk_len = PMK_LEN;
 256         res = eapol_sm_get_key(eapol, pmk, PMK_LEN);
 257         if (res) {
 258                 /*
 259                  * EAP-LEAP is an exception from other EAP methods: it
 260                  * uses only 16-byte PMK.
 261                  */
 262                 res = eapol_sm_get_key(eapol, pmk, 16);
 263                 pmk_len = 16;
 264         }
 265
 266         if (res) {
 267                 wpa_printf(MSG_DEBUG, "Failed to get PMK from EAPOL state "
 268                            "machines");
 269                 return;
 270         }
 271
 272         if (wpa_drv_set_key(wpa_s, WPA_ALG_PMK, NULL, 0, 0, NULL, 0, pmk,
 273                             pmk_len)) {
 274                 wpa_printf(MSG_DEBUG, "Failed to set PMK to the driver");
 275         }
 276
 277         wpa_supplicant_cancel_scan(wpa_s);
 278         wpa_supplicant_cancel_auth_timeout(wpa_s);
 279         wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 280
 281 }
 282
 283
 284 static void wpa_supplicant_notify_eapol_done(void *ctx)
 285 {
 286         struct wpa_supplicant *wpa_s = ctx;
 287         wpa_msg(wpa_s, MSG_DEBUG, "WPA: EAPOL processing complete");
 288         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
 289                 wpa_supplicant_set_state(wpa_s, WPA_4WAY_HANDSHAKE);
 290         } else {
 291                 wpa_supplicant_cancel_auth_timeout(wpa_s);
 292                 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 293         }
 294 }
 295
 296 #endif /* IEEE8021X_EAPOL */
 297
 298
 299 #ifndef CONFIG_NO_WPA
 300
 301 static int wpa_get_beacon_ie(struct wpa_supplicant *wpa_s)
 302 {
 303         size_t i;
 304         int ret = 0;
 305         struct wpa_scan_res *curr = NULL;
 306         struct wpa_ssid *ssid = wpa_s->current_ssid;
 307         const u8 *ie;
 308
 309         if (wpa_s->scan_res == NULL)
 310                 return -1;
 311
 312         for (i = 0; i < wpa_s->scan_res->num; i++) {
 313                 struct wpa_scan_res *r = wpa_s->scan_res->res[i];
 314                 if (os_memcmp(r->bssid, wpa_s->bssid, ETH_ALEN) != 0)
 315                         continue;
 316                 ie = wpa_scan_get_ie(r, WLAN_EID_SSID);
 317                 if (ssid == NULL ||
 318                     ((ie && ie[1] == ssid->ssid_len &&
 319                       os_memcmp(ie + 2, ssid->ssid, ssid->ssid_len) == 0) ||
 320                      ssid->ssid_len == 0)) {
 321                         curr = r;
 322                         break;
 323                 }
 324         }
 325
 326         if (curr) {
 327                 ie = wpa_scan_get_vendor_ie(curr, WPA_IE_VENDOR_TYPE);
 328                 if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
 329                         ret = -1;
 330
 331                 ie = wpa_scan_get_ie(curr, WLAN_EID_RSN);
 332                 if (wpa_sm_set_ap_rsn_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
 333                         ret = -1;
 334         } else {
 335                 ret = -1;
 336         }
 337
 338         return ret;
 339 }
 340
 341
 342 static int wpa_supplicant_get_beacon_ie(void *ctx)
 343 {
 344         struct wpa_supplicant *wpa_s = ctx;
 345         if (wpa_get_beacon_ie(wpa_s) == 0) {
 346                 return 0;
 347         }
 348
 349         /* No WPA/RSN IE found in the cached scan results. Try to get updated
 350          * scan results from the driver. */
 351         if (wpa_supplicant_get_scan_results(wpa_s, NULL, 0) < 0) {
 352                 return -1;
 353         }
 354
 355         return wpa_get_beacon_ie(wpa_s);
 356 }
 357
 358
 359 static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type,
 360                              const void *data, u16 data_len,
 361                              size_t *msg_len, void **data_pos)
 362 {
 363         return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos);
 364 }
 365
 366
 367 static int _wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto,
 368                            const u8 *buf, size_t len)
 369 {
 370         return wpa_ether_send(wpa_s, dest, proto, buf, len);
 371 }
 372
 373
 374 static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s)
 375 {
 376         wpa_supplicant_cancel_auth_timeout(wpa_s);
 377 }
 378
 379
 380 static void _wpa_supplicant_set_state(void *wpa_s, enum wpa_states state)
 381 {
 382         wpa_supplicant_set_state(wpa_s, state);
 383 }
 384
 385
 386 /**
 387  * wpa_supplicant_get_state - Get the connection state
 388  * @wpa_s: Pointer to wpa_supplicant data
 389  * Returns: The current connection state (WPA_*)
 390  */
 391 static enum wpa_states wpa_supplicant_get_state(struct wpa_supplicant *wpa_s)
 392 {
 393         return wpa_s->wpa_state;
 394 }
 395
 396
 397 static enum wpa_states _wpa_supplicant_get_state(void *wpa_s)
 398 {
 399         return wpa_supplicant_get_state(wpa_s);
 400 }
 401
 402
 403 static void _wpa_supplicant_disassociate(void *wpa_s, int reason_code)
 404 {
 405         wpa_supplicant_disassociate(wpa_s, reason_code);
 406         /* Schedule a scan to make sure we continue looking for networks */
 407         wpa_supplicant_req_scan(wpa_s, 5, 0);
 408 }
 409
 410
 411 static void _wpa_supplicant_deauthenticate(void *wpa_s, int reason_code)
 412 {
 413         wpa_supplicant_deauthenticate(wpa_s, reason_code);
 414         /* Schedule a scan to make sure we continue looking for networks */
 415         wpa_supplicant_req_scan(wpa_s, 5, 0);
 416 }
 417
 418
 419 static void * wpa_supplicant_get_network_ctx(void *wpa_s)
 420 {
 421         return wpa_supplicant_get_ssid(wpa_s);
 422 }
 423
 424
 425 static int wpa_supplicant_get_bssid(void *ctx, u8 *bssid)
 426 {
 427         struct wpa_supplicant *wpa_s = ctx;
 428         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME) {
 429                 os_memcpy(bssid, wpa_s->bssid, ETH_ALEN);
 430                 return 0;
 431         }
 432         return wpa_drv_get_bssid(wpa_s, bssid);
 433 }
 434
 435
 436 static int wpa_supplicant_set_key(void *_wpa_s, enum wpa_alg alg,
 437                                   const u8 *addr, int key_idx, int set_tx,
 438                                   const u8 *seq, size_t seq_len,
 439                                   const u8 *key, size_t key_len)
 440 {
 441         struct wpa_supplicant *wpa_s = _wpa_s;
 442         if (alg == WPA_ALG_TKIP && key_idx == 0 && key_len == 32) {
 443                 /* Clear the MIC error counter when setting a new PTK. */
 444                 wpa_s->mic_errors_seen = 0;
 445         }
 446         return wpa_drv_set_key(wpa_s, alg, addr, key_idx, set_tx, seq, seq_len,
 447                                key, key_len);
 448 }
 449
 450
 451 static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr,
 452                                              int protection_type,
 453                                              int key_type)
 454 {
 455         return wpa_drv_mlme_setprotection(wpa_s, addr, protection_type,
 456                                           key_type);
 457 }
 458
 459
 460 static int wpa_supplicant_add_pmkid(void *wpa_s,
 461                                     const u8 *bssid, const u8 *pmkid)
 462 {
 463         return wpa_drv_add_pmkid(wpa_s, bssid, pmkid);
 464 }
 465
 466
 467 static int wpa_supplicant_remove_pmkid(void *wpa_s,
 468                                        const u8 *bssid, const u8 *pmkid)
 469 {
 470         return wpa_drv_remove_pmkid(wpa_s, bssid, pmkid);
 471 }
 472
 473
 474 #ifdef CONFIG_IEEE80211R
 475 static int wpa_supplicant_update_ft_ies(void *ctx, const u8 *md,
 476                                         const u8 *ies, size_t ies_len)
 477 {
 478         struct wpa_supplicant *wpa_s = ctx;
 479         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
 480                 return ieee80211_sta_update_ft_ies(wpa_s, md, ies, ies_len);
 481         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
 482                 return sme_update_ft_ies(wpa_s, md, ies, ies_len);
 483         return wpa_drv_update_ft_ies(wpa_s, md, ies, ies_len);
 484 }
 485
 486
 487 static int wpa_supplicant_send_ft_action(void *ctx, u8 action,
 488                                          const u8 *target_ap,
 489                                          const u8 *ies, size_t ies_len)
 490 {
 491         struct wpa_supplicant *wpa_s = ctx;
 492         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
 493                 return ieee80211_sta_send_ft_action(wpa_s, action, target_ap,
 494                                                     ies, ies_len);
 495         return wpa_drv_send_ft_action(wpa_s, action, target_ap, ies, ies_len);
 496 }
 497 #endif /* CONFIG_IEEE80211R */
 498
 499 #endif /* CONFIG_NO_WPA */
 500
 501
 502 #ifdef IEEE8021X_EAPOL
 503 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
 504 static void wpa_supplicant_eap_param_needed(void *ctx, const char *field,
 505                                             const char *txt)
 506 {
 507         struct wpa_supplicant *wpa_s = ctx;
 508         struct wpa_ssid *ssid = wpa_s->current_ssid;
 509         char *buf;
 510         size_t buflen;
 511         int len;
 512
 513         if (ssid == NULL)
 514                 return;
 515
 516         buflen = 100 + os_strlen(txt) + ssid->ssid_len;
 517         buf = os_malloc(buflen);
 518         if (buf == NULL)
 519                 return;
 520         len = os_snprintf(buf, buflen,
 521                           WPA_CTRL_REQ "%s-%d:%s needed for SSID ",
 522                           field, ssid->id, txt);
 523         if (len < 0 || (size_t) len >= buflen) {
 524                 os_free(buf);
 525                 return;
 526         }
 527         if (ssid->ssid && buflen > len + ssid->ssid_len) {
 528                 os_memcpy(buf + len, ssid->ssid, ssid->ssid_len);
 529                 len += ssid->ssid_len;
 530                 buf[len] = '\0';
 531         }
 532         buf[buflen - 1] = '\0';
 533         wpa_msg(wpa_s, MSG_INFO, "%s", buf);
 534         os_free(buf);
 535 }
 536 #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
 537 #define wpa_supplicant_eap_param_needed NULL
 538 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
 539
 540
 541 static void wpa_supplicant_port_cb(void *ctx, int authorized)
 542 {
 543         struct wpa_supplicant *wpa_s = ctx;
 544         wpa_printf(MSG_DEBUG, "EAPOL: Supplicant port status: %s",
 545                    authorized ? "Authorized" : "Unauthorized");
 546         wpa_drv_set_supp_port(wpa_s, authorized);
 547 }
 548 #endif /* IEEE8021X_EAPOL */
 549
 550
 551 int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s)
 552 {
 553 #ifdef IEEE8021X_EAPOL
 554         struct eapol_ctx *ctx;
 555         ctx = os_zalloc(sizeof(*ctx));
 556         if (ctx == NULL) {
 557                 wpa_printf(MSG_ERROR, "Failed to allocate EAPOL context.");
 558                 return -1;
 559         }
 560
 561         ctx->ctx = wpa_s;
 562         ctx->msg_ctx = wpa_s;
 563         ctx->eapol_send_ctx = wpa_s;
 564         ctx->preauth = 0;
 565         ctx->eapol_done_cb = wpa_supplicant_notify_eapol_done;
 566         ctx->eapol_send = wpa_supplicant_eapol_send;
 567         ctx->set_wep_key = wpa_eapol_set_wep_key;
 568         ctx->set_config_blob = wpa_supplicant_set_config_blob;
 569         ctx->get_config_blob = wpa_supplicant_get_config_blob;
 570         ctx->aborted_cached = wpa_supplicant_aborted_cached;
 571         ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
 572         ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
 573         ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
 574         ctx->wps = wpa_s->wps;
 575         ctx->eap_param_needed = wpa_supplicant_eap_param_needed;
 576         ctx->port_cb = wpa_supplicant_port_cb;
 577         ctx->cb = wpa_supplicant_eapol_cb;
 578         ctx->cb_ctx = wpa_s;
 579         wpa_s->eapol = eapol_sm_init(ctx);
 580         if (wpa_s->eapol == NULL) {
 581                 os_free(ctx);
 582                 wpa_printf(MSG_ERROR, "Failed to initialize EAPOL state "
 583                            "machines.");
 584                 return -1;
 585         }
 586 #endif /* IEEE8021X_EAPOL */
 587
 588         return 0;
 589 }
 590
 591
 592 int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s)
 593 {
 594 #ifndef CONFIG_NO_WPA
 595         struct wpa_sm_ctx *ctx;
 596         ctx = os_zalloc(sizeof(*ctx));
 597         if (ctx == NULL) {
 598                 wpa_printf(MSG_ERROR, "Failed to allocate WPA context.");
 599                 return -1;
 600         }
 601
 602         ctx->ctx = wpa_s;
 603         ctx->msg_ctx = wpa_s;
 604         ctx->set_state = _wpa_supplicant_set_state;
 605         ctx->get_state = _wpa_supplicant_get_state;
 606         ctx->deauthenticate = _wpa_supplicant_deauthenticate;
 607         ctx->disassociate = _wpa_supplicant_disassociate;
 608         ctx->set_key = wpa_supplicant_set_key;
 609         ctx->get_network_ctx = wpa_supplicant_get_network_ctx;
 610         ctx->get_bssid = wpa_supplicant_get_bssid;
 611         ctx->ether_send = _wpa_ether_send;
 612         ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie;
 613         ctx->alloc_eapol = _wpa_alloc_eapol;
 614         ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout;
 615         ctx->add_pmkid = wpa_supplicant_add_pmkid;
 616         ctx->remove_pmkid = wpa_supplicant_remove_pmkid;
 617 #ifndef CONFIG_NO_CONFIG_BLOBS
 618         ctx->set_config_blob = wpa_supplicant_set_config_blob;
 619         ctx->get_config_blob = wpa_supplicant_get_config_blob;
 620 #endif /* CONFIG_NO_CONFIG_BLOBS */
 621         ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection;
 622 #ifdef CONFIG_IEEE80211R
 623         ctx->update_ft_ies = wpa_supplicant_update_ft_ies;
 624         ctx->send_ft_action = wpa_supplicant_send_ft_action;
 625 #endif /* CONFIG_IEEE80211R */
 626
 627         wpa_s->wpa = wpa_sm_init(ctx);
 628         if (wpa_s->wpa == NULL) {
 629                 wpa_printf(MSG_ERROR, "Failed to initialize WPA state "
 630                            "machine");
 631                 return -1;
 632         }
 633 #endif /* CONFIG_NO_WPA */
 634
 635         return 0;
 636 }
 637
 638
 639 void wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant *wpa_s,
 640                                         struct wpa_ssid *ssid)
 641 {
 642         struct rsn_supp_config conf;
 643         if (ssid) {
 644                 os_memset(&conf, 0, sizeof(conf));
 645                 conf.network_ctx = ssid;
 646                 conf.peerkey_enabled = ssid->peerkey;
 647                 conf.allowed_pairwise_cipher = ssid->pairwise_cipher;
 648 #ifdef IEEE8021X_EAPOL
 649                 conf.eap_workaround = ssid->eap_workaround;
 650                 conf.eap_conf_ctx = &ssid->eap;
 651 #endif /* IEEE8021X_EAPOL */
 652                 conf.ssid = ssid->ssid;
 653                 conf.ssid_len = ssid->ssid_len;
 654                 conf.wpa_ptk_rekey = ssid->wpa_ptk_rekey;
 655         }
 656         wpa_sm_set_config(wpa_s->wpa, ssid ? &conf : NULL);
 657 }