workbench/network/WirelessManager/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 #include "bss.h"
  34 #include "scan.h"
  35
  36
  37 #ifndef CONFIG_NO_CONFIG_BLOBS
  38 #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
  39 static void wpa_supplicant_set_config_blob(void *ctx,
  40                                            struct wpa_config_blob *blob)
  41 {
  42         struct wpa_supplicant *wpa_s = ctx;
  43         wpa_config_set_blob(wpa_s->conf, blob);
  44         if (wpa_s->conf->update_config) {
  45                 int ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
  46                 if (ret) {
  47                         wpa_printf(MSG_DEBUG, "Failed to update config after "
  48                                    "blob set");
  49                 }
  50         }
  51 }
  52
  53
  54 static const struct wpa_config_blob *
  55 wpa_supplicant_get_config_blob(void *ctx, const char *name)
  56 {
  57         struct wpa_supplicant *wpa_s = ctx;
  58         return wpa_config_get_blob(wpa_s->conf, name);
  59 }
  60 #endif /* defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) */
  61 #endif /* CONFIG_NO_CONFIG_BLOBS */
  62
  63
  64 #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
  65 static u8 * wpa_alloc_eapol(const struct wpa_supplicant *wpa_s, u8 type,
  66                             const void *data, u16 data_len,
  67                             size_t *msg_len, void **data_pos)
  68 {
  69         struct ieee802_1x_hdr *hdr;
  70
  71         *msg_len = sizeof(*hdr) + data_len;
  72         hdr = os_malloc(*msg_len);
  73         if (hdr == NULL)
  74                 return NULL;
  75
  76         hdr->version = wpa_s->conf->eapol_version;
  77         hdr->type = type;
  78         hdr->length = host_to_be16(data_len);
  79
  80         if (data)
  81                 os_memcpy(hdr + 1, data, data_len);
  82         else
  83                 os_memset(hdr + 1, 0, data_len);
  84
  85         if (data_pos)
  86                 *data_pos = hdr + 1;
  87
  88         return (u8 *) hdr;
  89 }
  90
  91
  92 /**
  93  * wpa_ether_send - Send Ethernet frame
  94  * @wpa_s: Pointer to wpa_supplicant data
  95  * @dest: Destination MAC address
  96  * @proto: Ethertype in host byte order
  97  * @buf: Frame payload starting from IEEE 802.1X header
  98  * @len: Frame payload length
  99  * Returns: >=0 on success, <0 on failure
 100  */
 101 static int wpa_ether_send(struct wpa_supplicant *wpa_s, const u8 *dest,
 102                           u16 proto, const u8 *buf, size_t len)
 103 {
 104         if (wpa_s->l2) {
 105                 return l2_packet_send(wpa_s->l2, dest, proto, buf, len);
 106         }
 107
 108         return wpa_drv_send_eapol(wpa_s, dest, proto, buf, len);
 109 }
 110 #endif /* IEEE8021X_EAPOL || !CONFIG_NO_WPA */
 111
 112
 113 #ifdef IEEE8021X_EAPOL
 114
 115 /**
 116  * wpa_supplicant_eapol_send - Send IEEE 802.1X EAPOL packet to Authenticator
 117  * @ctx: Pointer to wpa_supplicant data (wpa_s)
 118  * @type: IEEE 802.1X packet type (IEEE802_1X_TYPE_*)
 119  * @buf: EAPOL payload (after IEEE 802.1X header)
 120  * @len: EAPOL payload length
 121  * Returns: >=0 on success, <0 on failure
 122  *
 123  * This function adds Ethernet and IEEE 802.1X header and sends the EAPOL frame
 124  * to the current Authenticator.
 125  */
 126 static int wpa_supplicant_eapol_send(void *ctx, int type, const u8 *buf,
 127                                      size_t len)
 128 {
 129         struct wpa_supplicant *wpa_s = ctx;
 130         u8 *msg, *dst, bssid[ETH_ALEN];
 131         size_t msglen;
 132         int res;
 133
 134         /* TODO: could add l2_packet_sendmsg that allows fragments to avoid
 135          * extra copy here */
 136
 137 #if 0
 138         if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
 139             wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) {
 140                 /* Current SSID is not using IEEE 802.1X/EAP, so drop possible
 141                  * EAPOL frames (mainly, EAPOL-Start) from EAPOL state
 142                  * machines. */
 143                 wpa_printf(MSG_DEBUG, "WPA: drop TX EAPOL in non-IEEE 802.1X "
 144                            "mode (type=%d len=%lu)", type,
 145                            (unsigned long) len);
 146                 return -1;
 147         }
 148 #endif
 149
 150         if (pmksa_cache_get_current(wpa_s->wpa) &&
 151             type == IEEE802_1X_TYPE_EAPOL_START) {
 152                 /* Trying to use PMKSA caching - do not send EAPOL-Start frames
 153                  * since they will trigger full EAPOL authentication. */
 154                 wpa_printf(MSG_DEBUG, "RSN: PMKSA caching - do not send "
 155                            "EAPOL-Start");
 156                 return -1;
 157         }
 158
 159         if (is_zero_ether_addr(wpa_s->bssid)) {
 160                 wpa_printf(MSG_DEBUG, "BSSID not set when trying to send an "
 161                            "EAPOL frame");
 162                 if (wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
 163                     !is_zero_ether_addr(bssid)) {
 164                         dst = bssid;
 165                         wpa_printf(MSG_DEBUG, "Using current BSSID " MACSTR
 166                                    " from the driver as the EAPOL destination",
 167                                    MAC2STR(dst));
 168                 } else {
 169                         dst = wpa_s->last_eapol_src;
 170                         wpa_printf(MSG_DEBUG, "Using the source address of the"
 171                                    " last received EAPOL frame " MACSTR " as "
 172                                    "the EAPOL destination",
 173                                    MAC2STR(dst));
 174                 }
 175         } else {
 176                 /* BSSID was already set (from (Re)Assoc event, so use it as
 177                  * the EAPOL destination. */
 178                 dst = wpa_s->bssid;
 179         }
 180
 181         msg = wpa_alloc_eapol(wpa_s, type, buf, len, &msglen, NULL);
 182         if (msg == NULL)
 183                 return -1;
 184
 185         wpa_printf(MSG_DEBUG, "TX EAPOL: dst=" MACSTR, MAC2STR(dst));
 186         wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", msg, msglen);
 187         res = wpa_ether_send(wpa_s, dst, ETH_P_EAPOL, msg, msglen);
 188         os_free(msg);
 189         return res;
 190 }
 191
 192
 193 /**
 194  * wpa_eapol_set_wep_key - set WEP key for the driver
 195  * @ctx: Pointer to wpa_supplicant data (wpa_s)
 196  * @unicast: 1 = individual unicast key, 0 = broadcast key
 197  * @keyidx: WEP key index (0..3)
 198  * @key: Pointer to key data
 199  * @keylen: Key length in bytes
 200  * Returns: 0 on success or < 0 on error.
 201  */
 202 static int wpa_eapol_set_wep_key(void *ctx, int unicast, int keyidx,
 203                                  const u8 *key, size_t keylen)
 204 {
 205         struct wpa_supplicant *wpa_s = ctx;
 206         if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
 207                 int cipher = (keylen == 5) ? WPA_CIPHER_WEP40 :
 208                         WPA_CIPHER_WEP104;
 209                 if (unicast)
 210                         wpa_s->pairwise_cipher = cipher;
 211                 else
 212                         wpa_s->group_cipher = cipher;
 213         }
 214         return wpa_drv_set_key(wpa_s, WPA_ALG_WEP,
 215                                unicast ? wpa_s->bssid :
 216                                (u8 *) "\xff\xff\xff\xff\xff\xff",
 217                                keyidx, unicast, (u8 *) "", 0, key, keylen);
 218 }
 219
 220
 221 static void wpa_supplicant_aborted_cached(void *ctx)
 222 {
 223         struct wpa_supplicant *wpa_s = ctx;
 224         wpa_sm_aborted_cached(wpa_s->wpa);
 225 }
 226
 227
 228 static void wpa_supplicant_eapol_cb(struct eapol_sm *eapol, int success,
 229                                     void *ctx)
 230 {
 231         struct wpa_supplicant *wpa_s = ctx;
 232         int res, pmk_len;
 233         u8 pmk[PMK_LEN];
 234
 235         wpa_printf(MSG_DEBUG, "EAPOL authentication completed %ssuccessfully",
 236                    success ? "" : "un");
 237
 238         if (wpas_wps_eapol_cb(wpa_s) > 0)
 239                 return;
 240
 241         if (!success) {
 242                 /*
 243                  * Make sure we do not get stuck here waiting for long EAPOL
 244                  * timeout if the AP does not disconnect in case of
 245                  * authentication failure.
 246                  */
 247                 wpa_supplicant_req_auth_timeout(wpa_s, 2, 0);
 248         }
 249
 250         if (!success || !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE))
 251                 return;
 252
 253         if (!wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt))
 254                 return;
 255
 256         wpa_printf(MSG_DEBUG, "Configure PMK for driver-based RSN 4-way "
 257                    "handshake");
 258
 259         pmk_len = PMK_LEN;
 260         res = eapol_sm_get_key(eapol, pmk, PMK_LEN);
 261         if (res) {
 262                 /*
 263                  * EAP-LEAP is an exception from other EAP methods: it
 264                  * uses only 16-byte PMK.
 265                  */
 266                 res = eapol_sm_get_key(eapol, pmk, 16);
 267                 pmk_len = 16;
 268         }
 269
 270         if (res) {
 271                 wpa_printf(MSG_DEBUG, "Failed to get PMK from EAPOL state "
 272                            "machines");
 273                 return;
 274         }
 275
 276         if (wpa_drv_set_key(wpa_s, WPA_ALG_PMK, NULL, 0, 0, NULL, 0, pmk,
 277                             pmk_len)) {
 278                 wpa_printf(MSG_DEBUG, "Failed to set PMK to the driver");
 279         }
 280
 281         wpa_supplicant_cancel_scan(wpa_s);
 282         wpa_supplicant_cancel_auth_timeout(wpa_s);
 283         wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 284
 285 }
 286
 287
 288 static void wpa_supplicant_notify_eapol_done(void *ctx)
 289 {
 290         struct wpa_supplicant *wpa_s = ctx;
 291         wpa_msg(wpa_s, MSG_DEBUG, "WPA: EAPOL processing complete");
 292         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
 293                 wpa_supplicant_set_state(wpa_s, WPA_4WAY_HANDSHAKE);
 294         } else {
 295                 wpa_supplicant_cancel_auth_timeout(wpa_s);
 296                 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 297         }
 298 }
 299
 300 #endif /* IEEE8021X_EAPOL */
 301
 302
 303 #ifndef CONFIG_NO_WPA
 304
 305 static int wpa_get_beacon_ie(struct wpa_supplicant *wpa_s)
 306 {
 307         int ret = 0;
 308         struct wpa_bss *curr = NULL, *bss;
 309         struct wpa_ssid *ssid = wpa_s->current_ssid;
 310         const u8 *ie;
 311
 312         dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
 313                 if (os_memcmp(bss->bssid, wpa_s->bssid, ETH_ALEN) != 0)
 314                         continue;
 315                 if (ssid == NULL ||
 316                     ((bss->ssid_len == ssid->ssid_len &&
 317                       os_memcmp(bss->ssid, ssid->ssid, ssid->ssid_len) == 0) ||
 318                      ssid->ssid_len == 0)) {
 319                         curr = bss;
 320                         break;
 321                 }
 322         }
 323
 324         if (curr) {
 325                 ie = wpa_bss_get_vendor_ie(curr, WPA_IE_VENDOR_TYPE);
 326                 if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
 327                         ret = -1;
 328
 329                 ie = wpa_bss_get_ie(curr, WLAN_EID_RSN);
 330                 if (wpa_sm_set_ap_rsn_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
 331                         ret = -1;
 332         } else {
 333                 ret = -1;
 334         }
 335
 336         return ret;
 337 }
 338
 339
 340 static int wpa_supplicant_get_beacon_ie(void *ctx)
 341 {
 342         struct wpa_supplicant *wpa_s = ctx;
 343         if (wpa_get_beacon_ie(wpa_s) == 0) {
 344                 return 0;
 345         }
 346
 347         /* No WPA/RSN IE found in the cached scan results. Try to get updated
 348          * scan results from the driver. */
 349         if (wpa_supplicant_update_scan_results(wpa_s) < 0)
 350                 return -1;
 351
 352         return wpa_get_beacon_ie(wpa_s);
 353 }
 354
 355
 356 static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type,
 357                              const void *data, u16 data_len,
 358                              size_t *msg_len, void **data_pos)
 359 {
 360         return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos);
 361 }
 362
 363
 364 static int _wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto,
 365                            const u8 *buf, size_t len)
 366 {
 367         return wpa_ether_send(wpa_s, dest, proto, buf, len);
 368 }
 369
 370
 371 static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s)
 372 {
 373         wpa_supplicant_cancel_auth_timeout(wpa_s);
 374 }
 375
 376
 377 static void _wpa_supplicant_set_state(void *wpa_s, enum wpa_states state)
 378 {
 379         wpa_supplicant_set_state(wpa_s, state);
 380 }
 381
 382
 383 /**
 384  * wpa_supplicant_get_state - Get the connection state
 385  * @wpa_s: Pointer to wpa_supplicant data
 386  * Returns: The current connection state (WPA_*)
 387  */
 388 static enum wpa_states wpa_supplicant_get_state(struct wpa_supplicant *wpa_s)
 389 {
 390         return wpa_s->wpa_state;
 391 }
 392
 393
 394 static enum wpa_states _wpa_supplicant_get_state(void *wpa_s)
 395 {
 396         return wpa_supplicant_get_state(wpa_s);
 397 }
 398
 399
 400 static void _wpa_supplicant_disassociate(void *wpa_s, int reason_code)
 401 {
 402         wpa_supplicant_disassociate(wpa_s, reason_code);
 403         /* Schedule a scan to make sure we continue looking for networks */
 404         wpa_supplicant_req_scan(wpa_s, 5, 0);
 405 }
 406
 407
 408 static void _wpa_supplicant_deauthenticate(void *wpa_s, int reason_code)
 409 {
 410         wpa_supplicant_deauthenticate(wpa_s, reason_code);
 411         /* Schedule a scan to make sure we continue looking for networks */
 412         wpa_supplicant_req_scan(wpa_s, 5, 0);
 413 }
 414
 415
 416 static void * wpa_supplicant_get_network_ctx(void *wpa_s)
 417 {
 418         return wpa_supplicant_get_ssid(wpa_s);
 419 }
 420
 421
 422 static int wpa_supplicant_get_bssid(void *ctx, u8 *bssid)
 423 {
 424         struct wpa_supplicant *wpa_s = ctx;
 425         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME) {
 426                 os_memcpy(bssid, wpa_s->bssid, ETH_ALEN);
 427                 return 0;
 428         }
 429         return wpa_drv_get_bssid(wpa_s, bssid);
 430 }
 431
 432
 433 static int wpa_supplicant_set_key(void *_wpa_s, enum wpa_alg alg,
 434                                   const u8 *addr, int key_idx, int set_tx,
 435                                   const u8 *seq, size_t seq_len,
 436                                   const u8 *key, size_t key_len)
 437 {
 438         struct wpa_supplicant *wpa_s = _wpa_s;
 439         if (alg == WPA_ALG_TKIP && key_idx == 0 && key_len == 32) {
 440                 /* Clear the MIC error counter when setting a new PTK. */
 441                 wpa_s->mic_errors_seen = 0;
 442         }
 443         return wpa_drv_set_key(wpa_s, alg, addr, key_idx, set_tx, seq, seq_len,
 444                                key, key_len);
 445 }
 446
 447
 448 static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr,
 449                                              int protection_type,
 450                                              int key_type)
 451 {
 452         return wpa_drv_mlme_setprotection(wpa_s, addr, protection_type,
 453                                           key_type);
 454 }
 455
 456
 457 static int wpa_supplicant_add_pmkid(void *wpa_s,
 458                                     const u8 *bssid, const u8 *pmkid)
 459 {
 460         return wpa_drv_add_pmkid(wpa_s, bssid, pmkid);
 461 }
 462
 463
 464 static int wpa_supplicant_remove_pmkid(void *wpa_s,
 465                                        const u8 *bssid, const u8 *pmkid)
 466 {
 467         return wpa_drv_remove_pmkid(wpa_s, bssid, pmkid);
 468 }
 469
 470
 471 #ifdef CONFIG_IEEE80211R
 472 static int wpa_supplicant_update_ft_ies(void *ctx, const u8 *md,
 473                                         const u8 *ies, size_t ies_len)
 474 {
 475         struct wpa_supplicant *wpa_s = ctx;
 476         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
 477                 return ieee80211_sta_update_ft_ies(wpa_s, md, ies, ies_len);
 478         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
 479                 return sme_update_ft_ies(wpa_s, md, ies, ies_len);
 480         return wpa_drv_update_ft_ies(wpa_s, md, ies, ies_len);
 481 }
 482
 483
 484 static int wpa_supplicant_send_ft_action(void *ctx, u8 action,
 485                                          const u8 *target_ap,
 486                                          const u8 *ies, size_t ies_len)
 487 {
 488         struct wpa_supplicant *wpa_s = ctx;
 489         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
 490                 return ieee80211_sta_send_ft_action(wpa_s, action, target_ap,
 491                                                     ies, ies_len);
 492         return wpa_drv_send_ft_action(wpa_s, action, target_ap, ies, ies_len);
 493 }
 494
 495
 496 static int wpa_supplicant_mark_authenticated(void *ctx, const u8 *target_ap)
 497 {
 498         struct wpa_supplicant *wpa_s = ctx;
 499         struct wpa_driver_auth_params params;
 500         struct wpa_bss *bss;
 501
 502         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
 503                 return -1;
 504
 505         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 506         if (bss == NULL)
 507                 return -1;
 508
 509         os_memset(&params, 0, sizeof(params));
 510         params.bssid = target_ap;
 511         params.freq = bss->freq;
 512         params.ssid = bss->ssid;
 513         params.ssid_len = bss->ssid_len;
 514         params.auth_alg = WPA_AUTH_ALG_FT;
 515         params.local_state_change = 1;
 516         return wpa_drv_authenticate(wpa_s, &params);
 517 }
 518 #endif /* CONFIG_IEEE80211R */
 519
 520 #endif /* CONFIG_NO_WPA */
 521
 522
 523 #ifdef IEEE8021X_EAPOL
 524 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
 525 static void wpa_supplicant_eap_param_needed(void *ctx, const char *field,
 526                                             const char *txt)
 527 {
 528         struct wpa_supplicant *wpa_s = ctx;
 529         struct wpa_ssid *ssid = wpa_s->current_ssid;
 530         char *buf;
 531         size_t buflen;
 532         int len;
 533
 534         if (ssid == NULL)
 535                 return;
 536
 537         buflen = 100 + os_strlen(txt) + ssid->ssid_len;
 538         buf = os_malloc(buflen);
 539         if (buf == NULL)
 540                 return;
 541         len = os_snprintf(buf, buflen,
 542                           WPA_CTRL_REQ "%s-%d:%s needed for SSID ",
 543                           field, ssid->id, txt);
 544         if (len < 0 || (size_t) len >= buflen) {
 545                 os_free(buf);
 546                 return;
 547         }
 548         if (ssid->ssid && buflen > len + ssid->ssid_len) {
 549                 os_memcpy(buf + len, ssid->ssid, ssid->ssid_len);
 550                 len += ssid->ssid_len;
 551                 buf[len] = '\0';
 552         }
 553         buf[buflen - 1] = '\0';
 554         wpa_msg(wpa_s, MSG_INFO, "%s", buf);
 555         os_free(buf);
 556 }
 557 #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
 558 #define wpa_supplicant_eap_param_needed NULL
 559 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
 560
 561
 562 static void wpa_supplicant_port_cb(void *ctx, int authorized)
 563 {
 564         struct wpa_supplicant *wpa_s = ctx;
 565 #ifdef CONFIG_AP
 566         if (wpa_s->ap_iface) {
 567                 wpa_printf(MSG_DEBUG, "AP mode active - skip EAPOL Supplicant "
 568                            "port status: %s",
 569                            authorized ? "Authorized" : "Unauthorized");
 570                 return;
 571         }
 572 #endif /* CONFIG_AP */
 573         wpa_printf(MSG_DEBUG, "EAPOL: Supplicant port status: %s",
 574                    authorized ? "Authorized" : "Unauthorized");
 575         wpa_drv_set_supp_port(wpa_s, authorized);
 576 }
 577 #endif /* IEEE8021X_EAPOL */
 578
 579
 580 int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s)
 581 {
 582 #ifdef IEEE8021X_EAPOL
 583         struct eapol_ctx *ctx;
 584         ctx = os_zalloc(sizeof(*ctx));
 585         if (ctx == NULL) {
 586                 wpa_printf(MSG_ERROR, "Failed to allocate EAPOL context.");
 587                 return -1;
 588         }
 589
 590         ctx->ctx = wpa_s;
 591         ctx->msg_ctx = wpa_s;
 592         ctx->eapol_send_ctx = wpa_s;
 593         ctx->preauth = 0;
 594         ctx->eapol_done_cb = wpa_supplicant_notify_eapol_done;
 595         ctx->eapol_send = wpa_supplicant_eapol_send;
 596         ctx->set_wep_key = wpa_eapol_set_wep_key;
 597 #ifndef CONFIG_NO_CONFIG_BLOBS
 598         ctx->set_config_blob = wpa_supplicant_set_config_blob;
 599         ctx->get_config_blob = wpa_supplicant_get_config_blob;
 600 #endif /* CONFIG_NO_CONFIG_BLOBS */
 601         ctx->aborted_cached = wpa_supplicant_aborted_cached;
 602         ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
 603         ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
 604         ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
 605         ctx->wps = wpa_s->wps;
 606         ctx->eap_param_needed = wpa_supplicant_eap_param_needed;
 607         ctx->port_cb = wpa_supplicant_port_cb;
 608         ctx->cb = wpa_supplicant_eapol_cb;
 609         ctx->cb_ctx = wpa_s;
 610         wpa_s->eapol = eapol_sm_init(ctx);
 611         if (wpa_s->eapol == NULL) {
 612                 os_free(ctx);
 613                 wpa_printf(MSG_ERROR, "Failed to initialize EAPOL state "
 614                            "machines.");
 615                 return -1;
 616         }
 617 #endif /* IEEE8021X_EAPOL */
 618
 619         return 0;
 620 }
 621
 622
 623 int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s)
 624 {
 625 #ifndef CONFIG_NO_WPA
 626         struct wpa_sm_ctx *ctx;
 627         ctx = os_zalloc(sizeof(*ctx));
 628         if (ctx == NULL) {
 629                 wpa_printf(MSG_ERROR, "Failed to allocate WPA context.");
 630                 return -1;
 631         }
 632
 633         ctx->ctx = wpa_s;
 634         ctx->msg_ctx = wpa_s;
 635         ctx->set_state = _wpa_supplicant_set_state;
 636         ctx->get_state = _wpa_supplicant_get_state;
 637         ctx->deauthenticate = _wpa_supplicant_deauthenticate;
 638         ctx->disassociate = _wpa_supplicant_disassociate;
 639         ctx->set_key = wpa_supplicant_set_key;
 640         ctx->get_network_ctx = wpa_supplicant_get_network_ctx;
 641         ctx->get_bssid = wpa_supplicant_get_bssid;
 642         ctx->ether_send = _wpa_ether_send;
 643         ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie;
 644         ctx->alloc_eapol = _wpa_alloc_eapol;
 645         ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout;
 646         ctx->add_pmkid = wpa_supplicant_add_pmkid;
 647         ctx->remove_pmkid = wpa_supplicant_remove_pmkid;
 648 #ifndef CONFIG_NO_CONFIG_BLOBS
 649         ctx->set_config_blob = wpa_supplicant_set_config_blob;
 650         ctx->get_config_blob = wpa_supplicant_get_config_blob;
 651 #endif /* CONFIG_NO_CONFIG_BLOBS */
 652         ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection;
 653 #ifdef CONFIG_IEEE80211R
 654         ctx->update_ft_ies = wpa_supplicant_update_ft_ies;
 655         ctx->send_ft_action = wpa_supplicant_send_ft_action;
 656         ctx->mark_authenticated = wpa_supplicant_mark_authenticated;
 657 #endif /* CONFIG_IEEE80211R */
 658
 659         wpa_s->wpa = wpa_sm_init(ctx);
 660         if (wpa_s->wpa == NULL) {
 661                 wpa_printf(MSG_ERROR, "Failed to initialize WPA state "
 662                            "machine");
 663                 return -1;
 664         }
 665 #endif /* CONFIG_NO_WPA */
 666
 667         return 0;
 668 }
 669
 670
 671 void wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant *wpa_s,
 672                                         struct wpa_ssid *ssid)
 673 {
 674         struct rsn_supp_config conf;
 675         if (ssid) {
 676                 os_memset(&conf, 0, sizeof(conf));
 677                 conf.network_ctx = ssid;
 678                 conf.peerkey_enabled = ssid->peerkey;
 679                 conf.allowed_pairwise_cipher = ssid->pairwise_cipher;
 680 #ifdef IEEE8021X_EAPOL
 681                 conf.eap_workaround = ssid->eap_workaround;
 682                 conf.eap_conf_ctx = &ssid->eap;
 683 #endif /* IEEE8021X_EAPOL */
 684                 conf.ssid = ssid->ssid;
 685                 conf.ssid_len = ssid->ssid_len;
 686                 conf.wpa_ptk_rekey = ssid->wpa_ptk_rekey;
 687         }
 688         wpa_sm_set_config(wpa_s->wpa, ssid ? &conf : NULL);
 689 }