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