contrib/wpa/wpa_supplicant/wpas_glue.c

   1 /*
   2  * WPA Supplicant - Glue code to setup EAPOL and RSN modules
   3  * Copyright (c) 2003-2015, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "includes.h"
  10
  11 #include "common.h"
  12 #include "eapol_supp/eapol_supp_sm.h"
  13 #include "eap_peer/eap.h"
  14 #include "rsn_supp/wpa.h"
  15 #include "eloop.h"
  16 #include "config.h"
  17 #include "l2_packet/l2_packet.h"
  18 #include "common/wpa_common.h"
  19 #include "wpa_supplicant_i.h"
  20 #include "driver_i.h"
  21 #include "rsn_supp/pmksa_cache.h"
  22 #include "sme.h"
  23 #include "common/ieee802_11_defs.h"
  24 #include "common/wpa_ctrl.h"
  25 #include "wpas_glue.h"
  26 #include "wps_supplicant.h"
  27 #include "bss.h"
  28 #include "scan.h"
  29 #include "notify.h"
  30 #include "wpas_kay.h"
  31
  32
  33 #ifndef CONFIG_NO_CONFIG_BLOBS
  34 #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
  35 static void wpa_supplicant_set_config_blob(void *ctx,
  36                                            struct wpa_config_blob *blob)
  37 {
  38         struct wpa_supplicant *wpa_s = ctx;
  39         wpa_config_set_blob(wpa_s->conf, blob);
  40         if (wpa_s->conf->update_config) {
  41                 int ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
  42                 if (ret) {
  43                         wpa_printf(MSG_DEBUG, "Failed to update config after "
  44                                    "blob set");
  45                 }
  46         }
  47 }
  48
  49
  50 static const struct wpa_config_blob *
  51 wpa_supplicant_get_config_blob(void *ctx, const char *name)
  52 {
  53         struct wpa_supplicant *wpa_s = ctx;
  54         return wpa_config_get_blob(wpa_s->conf, name);
  55 }
  56 #endif /* defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) */
  57 #endif /* CONFIG_NO_CONFIG_BLOBS */
  58
  59
  60 #if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
  61 static u8 * wpa_alloc_eapol(const struct wpa_supplicant *wpa_s, u8 type,
  62                             const void *data, u16 data_len,
  63                             size_t *msg_len, void **data_pos)
  64 {
  65         struct ieee802_1x_hdr *hdr;
  66
  67         *msg_len = sizeof(*hdr) + data_len;
  68         hdr = os_malloc(*msg_len);
  69         if (hdr == NULL)
  70                 return NULL;
  71
  72         hdr->version = wpa_s->conf->eapol_version;
  73         hdr->type = type;
  74         hdr->length = host_to_be16(data_len);
  75
  76         if (data)
  77                 os_memcpy(hdr + 1, data, data_len);
  78         else
  79                 os_memset(hdr + 1, 0, data_len);
  80
  81         if (data_pos)
  82                 *data_pos = hdr + 1;
  83
  84         return (u8 *) hdr;
  85 }
  86
  87
  88 /**
  89  * wpa_ether_send - Send Ethernet frame
  90  * @wpa_s: Pointer to wpa_supplicant data
  91  * @dest: Destination MAC address
  92  * @proto: Ethertype in host byte order
  93  * @buf: Frame payload starting from IEEE 802.1X header
  94  * @len: Frame payload length
  95  * Returns: >=0 on success, <0 on failure
  96  */
  97 static int wpa_ether_send(struct wpa_supplicant *wpa_s, const u8 *dest,
  98                           u16 proto, const u8 *buf, size_t len)
  99 {
 100 #ifdef CONFIG_TESTING_OPTIONS
 101         if (wpa_s->ext_eapol_frame_io && proto == ETH_P_EAPOL) {
 102                 size_t hex_len = 2 * len + 1;
 103                 char *hex = os_malloc(hex_len);
 104
 105                 if (hex == NULL)
 106                         return -1;
 107                 wpa_snprintf_hex(hex, hex_len, buf, len);
 108                 wpa_msg(wpa_s, MSG_INFO, "EAPOL-TX " MACSTR " %s",
 109                         MAC2STR(dest), hex);
 110                 os_free(hex);
 111                 return 0;
 112         }
 113 #endif /* CONFIG_TESTING_OPTIONS */
 114
 115         if (wpa_s->l2) {
 116                 return l2_packet_send(wpa_s->l2, dest, proto, buf, len);
 117         }
 118
 119         return -1;
 120 }
 121 #endif /* IEEE8021X_EAPOL || !CONFIG_NO_WPA */
 122
 123
 124 #ifdef IEEE8021X_EAPOL
 125
 126 /**
 127  * wpa_supplicant_eapol_send - Send IEEE 802.1X EAPOL packet to Authenticator
 128  * @ctx: Pointer to wpa_supplicant data (wpa_s)
 129  * @type: IEEE 802.1X packet type (IEEE802_1X_TYPE_*)
 130  * @buf: EAPOL payload (after IEEE 802.1X header)
 131  * @len: EAPOL payload length
 132  * Returns: >=0 on success, <0 on failure
 133  *
 134  * This function adds Ethernet and IEEE 802.1X header and sends the EAPOL frame
 135  * to the current Authenticator.
 136  */
 137 static int wpa_supplicant_eapol_send(void *ctx, int type, const u8 *buf,
 138                                      size_t len)
 139 {
 140         struct wpa_supplicant *wpa_s = ctx;
 141         u8 *msg, *dst, bssid[ETH_ALEN];
 142         size_t msglen;
 143         int res;
 144
 145         /* TODO: could add l2_packet_sendmsg that allows fragments to avoid
 146          * extra copy here */
 147
 148         if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
 149             wpa_s->key_mgmt == WPA_KEY_MGMT_OWE ||
 150             wpa_s->key_mgmt == WPA_KEY_MGMT_DPP ||
 151             wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) {
 152                 /* Current SSID is not using IEEE 802.1X/EAP, so drop possible
 153                  * EAPOL frames (mainly, EAPOL-Start) from EAPOL state
 154                  * machines. */
 155                 wpa_printf(MSG_DEBUG, "WPA: drop TX EAPOL in non-IEEE 802.1X "
 156                            "mode (type=%d len=%lu)", type,
 157                            (unsigned long) len);
 158                 return -1;
 159         }
 160
 161         if (pmksa_cache_get_current(wpa_s->wpa) &&
 162             type == IEEE802_1X_TYPE_EAPOL_START) {
 163                 /*
 164                  * We were trying to use PMKSA caching and sending EAPOL-Start
 165                  * would abort that and trigger full EAPOL authentication.
 166                  * However, we've already waited for the AP/Authenticator to
 167                  * start 4-way handshake or EAP authentication, and apparently
 168                  * it has not done so since the startWhen timer has reached zero
 169                  * to get the state machine sending EAPOL-Start. This is not
 170                  * really supposed to happen, but an interoperability issue with
 171                  * a deployed AP has been identified where the connection fails
 172                  * due to that AP failing to operate correctly if PMKID is
 173                  * included in the Association Request frame. To work around
 174                  * this, assume PMKSA caching failed and try to initiate full
 175                  * EAP authentication.
 176                  */
 177                 if (!wpa_s->current_ssid ||
 178                     wpa_s->current_ssid->eap_workaround) {
 179                         wpa_printf(MSG_DEBUG,
 180                                    "RSN: Timeout on waiting for the AP to initiate 4-way handshake for PMKSA caching or EAP authentication - try to force it to start EAP authentication");
 181                 } else {
 182                         wpa_printf(MSG_DEBUG,
 183                                    "RSN: PMKSA caching - do not send EAPOL-Start");
 184                         return -1;
 185                 }
 186         }
 187
 188         if (is_zero_ether_addr(wpa_s->bssid)) {
 189                 wpa_printf(MSG_DEBUG, "BSSID not set when trying to send an "
 190                            "EAPOL frame");
 191                 if (wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
 192                     !is_zero_ether_addr(bssid)) {
 193                         dst = bssid;
 194                         wpa_printf(MSG_DEBUG, "Using current BSSID " MACSTR
 195                                    " from the driver as the EAPOL destination",
 196                                    MAC2STR(dst));
 197                 } else {
 198                         dst = wpa_s->last_eapol_src;
 199                         wpa_printf(MSG_DEBUG, "Using the source address of the"
 200                                    " last received EAPOL frame " MACSTR " as "
 201                                    "the EAPOL destination",
 202                                    MAC2STR(dst));
 203                 }
 204         } else {
 205                 /* BSSID was already set (from (Re)Assoc event, so use it as
 206                  * the EAPOL destination. */
 207                 dst = wpa_s->bssid;
 208         }
 209
 210         msg = wpa_alloc_eapol(wpa_s, type, buf, len, &msglen, NULL);
 211         if (msg == NULL)
 212                 return -1;
 213
 214         wpa_printf(MSG_DEBUG, "TX EAPOL: dst=" MACSTR, MAC2STR(dst));
 215         wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", msg, msglen);
 216         res = wpa_ether_send(wpa_s, dst, ETH_P_EAPOL, msg, msglen);
 217         os_free(msg);
 218         return res;
 219 }
 220
 221
 222 /**
 223  * wpa_eapol_set_wep_key - set WEP key for the driver
 224  * @ctx: Pointer to wpa_supplicant data (wpa_s)
 225  * @unicast: 1 = individual unicast key, 0 = broadcast key
 226  * @keyidx: WEP key index (0..3)
 227  * @key: Pointer to key data
 228  * @keylen: Key length in bytes
 229  * Returns: 0 on success or < 0 on error.
 230  */
 231 static int wpa_eapol_set_wep_key(void *ctx, int unicast, int keyidx,
 232                                  const u8 *key, size_t keylen)
 233 {
 234         struct wpa_supplicant *wpa_s = ctx;
 235         if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
 236                 int cipher = (keylen == 5) ? WPA_CIPHER_WEP40 :
 237                         WPA_CIPHER_WEP104;
 238                 if (unicast)
 239                         wpa_s->pairwise_cipher = cipher;
 240                 else
 241                         wpa_s->group_cipher = cipher;
 242         }
 243         return wpa_drv_set_key(wpa_s, WPA_ALG_WEP,
 244                                unicast ? wpa_s->bssid : NULL,
 245                                keyidx, unicast, NULL, 0, key, keylen);
 246 }
 247
 248
 249 static void wpa_supplicant_aborted_cached(void *ctx)
 250 {
 251         struct wpa_supplicant *wpa_s = ctx;
 252         wpa_sm_aborted_cached(wpa_s->wpa);
 253 }
 254
 255
 256 static const char * result_str(enum eapol_supp_result result)
 257 {
 258         switch (result) {
 259         case EAPOL_SUPP_RESULT_FAILURE:
 260                 return "FAILURE";
 261         case EAPOL_SUPP_RESULT_SUCCESS:
 262                 return "SUCCESS";
 263         case EAPOL_SUPP_RESULT_EXPECTED_FAILURE:
 264                 return "EXPECTED_FAILURE";
 265         }
 266         return "?";
 267 }
 268
 269
 270 static void wpa_supplicant_eapol_cb(struct eapol_sm *eapol,
 271                                     enum eapol_supp_result result,
 272                                     void *ctx)
 273 {
 274         struct wpa_supplicant *wpa_s = ctx;
 275         int res, pmk_len;
 276         u8 pmk[PMK_LEN];
 277
 278         wpa_printf(MSG_DEBUG, "EAPOL authentication completed - result=%s",
 279                    result_str(result));
 280
 281         if (wpas_wps_eapol_cb(wpa_s) > 0)
 282                 return;
 283
 284         wpa_s->eap_expected_failure = result ==
 285                 EAPOL_SUPP_RESULT_EXPECTED_FAILURE;
 286
 287         if (result != EAPOL_SUPP_RESULT_SUCCESS) {
 288                 /*
 289                  * Make sure we do not get stuck here waiting for long EAPOL
 290                  * timeout if the AP does not disconnect in case of
 291                  * authentication failure.
 292                  */
 293                 wpa_supplicant_req_auth_timeout(wpa_s, 2, 0);
 294         } else {
 295                 ieee802_1x_notify_create_actor(wpa_s, wpa_s->last_eapol_src);
 296         }
 297
 298         if (result != EAPOL_SUPP_RESULT_SUCCESS ||
 299             !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X))
 300                 return;
 301
 302         if (!wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt))
 303                 return;
 304
 305         wpa_printf(MSG_DEBUG, "Configure PMK for driver-based RSN 4-way "
 306                    "handshake");
 307
 308         pmk_len = PMK_LEN;
 309         if (wpa_key_mgmt_ft(wpa_s->key_mgmt)) {
 310 #ifdef CONFIG_IEEE80211R
 311                 u8 buf[2 * PMK_LEN];
 312                 wpa_printf(MSG_DEBUG, "RSN: Use FT XXKey as PMK for "
 313                            "driver-based 4-way hs and FT");
 314                 res = eapol_sm_get_key(eapol, buf, 2 * PMK_LEN);
 315                 if (res == 0) {
 316                         os_memcpy(pmk, buf + PMK_LEN, PMK_LEN);
 317                         os_memset(buf, 0, sizeof(buf));
 318                 }
 319 #else /* CONFIG_IEEE80211R */
 320                 res = -1;
 321 #endif /* CONFIG_IEEE80211R */
 322         } else {
 323                 res = eapol_sm_get_key(eapol, pmk, PMK_LEN);
 324                 if (res) {
 325                         /*
 326                          * EAP-LEAP is an exception from other EAP methods: it
 327                          * uses only 16-byte PMK.
 328                          */
 329                         res = eapol_sm_get_key(eapol, pmk, 16);
 330                         pmk_len = 16;
 331                 }
 332         }
 333
 334         if (res) {
 335                 wpa_printf(MSG_DEBUG, "Failed to get PMK from EAPOL state "
 336                            "machines");
 337                 return;
 338         }
 339
 340         wpa_hexdump_key(MSG_DEBUG, "RSN: Configure PMK for driver-based 4-way "
 341                         "handshake", pmk, pmk_len);
 342
 343         if (wpa_drv_set_key(wpa_s, WPA_ALG_PMK, NULL, 0, 0, NULL, 0, pmk,
 344                             pmk_len)) {
 345                 wpa_printf(MSG_DEBUG, "Failed to set PMK to the driver");
 346         }
 347
 348         wpa_supplicant_cancel_scan(wpa_s);
 349         wpa_supplicant_cancel_auth_timeout(wpa_s);
 350         wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 351
 352 }
 353
 354
 355 static void wpa_supplicant_notify_eapol_done(void *ctx)
 356 {
 357         struct wpa_supplicant *wpa_s = ctx;
 358         wpa_msg(wpa_s, MSG_DEBUG, "WPA: EAPOL processing complete");
 359         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
 360                 wpa_supplicant_set_state(wpa_s, WPA_4WAY_HANDSHAKE);
 361         } else {
 362                 wpa_supplicant_cancel_auth_timeout(wpa_s);
 363                 wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
 364         }
 365 }
 366
 367 #endif /* IEEE8021X_EAPOL */
 368
 369
 370 #ifndef CONFIG_NO_WPA
 371
 372 static int wpa_get_beacon_ie(struct wpa_supplicant *wpa_s)
 373 {
 374         int ret = 0;
 375         struct wpa_bss *curr = NULL, *bss;
 376         struct wpa_ssid *ssid = wpa_s->current_ssid;
 377         const u8 *ie;
 378
 379         dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
 380                 if (os_memcmp(bss->bssid, wpa_s->bssid, ETH_ALEN) != 0)
 381                         continue;
 382                 if (ssid == NULL ||
 383                     ((bss->ssid_len == ssid->ssid_len &&
 384                       os_memcmp(bss->ssid, ssid->ssid, ssid->ssid_len) == 0) ||
 385                      ssid->ssid_len == 0)) {
 386                         curr = bss;
 387                         break;
 388                 }
 389         }
 390
 391         if (curr) {
 392                 ie = wpa_bss_get_vendor_ie(curr, WPA_IE_VENDOR_TYPE);
 393                 if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
 394                         ret = -1;
 395
 396                 ie = wpa_bss_get_ie(curr, WLAN_EID_RSN);
 397                 if (wpa_sm_set_ap_rsn_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
 398                         ret = -1;
 399         } else {
 400                 ret = -1;
 401         }
 402
 403         return ret;
 404 }
 405
 406
 407 static int wpa_supplicant_get_beacon_ie(void *ctx)
 408 {
 409         struct wpa_supplicant *wpa_s = ctx;
 410         if (wpa_get_beacon_ie(wpa_s) == 0) {
 411                 return 0;
 412         }
 413
 414         /* No WPA/RSN IE found in the cached scan results. Try to get updated
 415          * scan results from the driver. */
 416         if (wpa_supplicant_update_scan_results(wpa_s) < 0)
 417                 return -1;
 418
 419         return wpa_get_beacon_ie(wpa_s);
 420 }
 421
 422
 423 static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type,
 424                              const void *data, u16 data_len,
 425                              size_t *msg_len, void **data_pos)
 426 {
 427         return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos);
 428 }
 429
 430
 431 static int _wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto,
 432                            const u8 *buf, size_t len)
 433 {
 434         return wpa_ether_send(wpa_s, dest, proto, buf, len);
 435 }
 436
 437
 438 static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s)
 439 {
 440         wpa_supplicant_cancel_auth_timeout(wpa_s);
 441 }
 442
 443
 444 static void _wpa_supplicant_set_state(void *wpa_s, enum wpa_states state)
 445 {
 446         wpa_supplicant_set_state(wpa_s, state);
 447 }
 448
 449
 450 /**
 451  * wpa_supplicant_get_state - Get the connection state
 452  * @wpa_s: Pointer to wpa_supplicant data
 453  * Returns: The current connection state (WPA_*)
 454  */
 455 static enum wpa_states wpa_supplicant_get_state(struct wpa_supplicant *wpa_s)
 456 {
 457         return wpa_s->wpa_state;
 458 }
 459
 460
 461 static enum wpa_states _wpa_supplicant_get_state(void *wpa_s)
 462 {
 463         return wpa_supplicant_get_state(wpa_s);
 464 }
 465
 466
 467 static void _wpa_supplicant_deauthenticate(void *wpa_s, int reason_code)
 468 {
 469         wpa_supplicant_deauthenticate(wpa_s, reason_code);
 470         /* Schedule a scan to make sure we continue looking for networks */
 471         wpa_supplicant_req_scan(wpa_s, 5, 0);
 472 }
 473
 474
 475 static void * wpa_supplicant_get_network_ctx(void *wpa_s)
 476 {
 477         return wpa_supplicant_get_ssid(wpa_s);
 478 }
 479
 480
 481 static int wpa_supplicant_get_bssid(void *ctx, u8 *bssid)
 482 {
 483         struct wpa_supplicant *wpa_s = ctx;
 484         return wpa_drv_get_bssid(wpa_s, bssid);
 485 }
 486
 487
 488 static int wpa_supplicant_set_key(void *_wpa_s, enum wpa_alg alg,
 489                                   const u8 *addr, int key_idx, int set_tx,
 490                                   const u8 *seq, size_t seq_len,
 491                                   const u8 *key, size_t key_len)
 492 {
 493         struct wpa_supplicant *wpa_s = _wpa_s;
 494         if (alg == WPA_ALG_TKIP && key_idx == 0 && key_len == 32) {
 495                 /* Clear the MIC error counter when setting a new PTK. */
 496                 wpa_s->mic_errors_seen = 0;
 497         }
 498 #ifdef CONFIG_TESTING_GET_GTK
 499         if (key_idx > 0 && addr && is_broadcast_ether_addr(addr) &&
 500             alg != WPA_ALG_NONE && key_len <= sizeof(wpa_s->last_gtk)) {
 501                 os_memcpy(wpa_s->last_gtk, key, key_len);
 502                 wpa_s->last_gtk_len = key_len;
 503         }
 504 #endif /* CONFIG_TESTING_GET_GTK */
 505 #ifdef CONFIG_TESTING_OPTIONS
 506         if (addr && !is_broadcast_ether_addr(addr)) {
 507                 wpa_s->last_tk_alg = alg;
 508                 os_memcpy(wpa_s->last_tk_addr, addr, ETH_ALEN);
 509                 wpa_s->last_tk_key_idx = key_idx;
 510                 if (key)
 511                         os_memcpy(wpa_s->last_tk, key, key_len);
 512                 wpa_s->last_tk_len = key_len;
 513         }
 514 #endif /* CONFIG_TESTING_OPTIONS */
 515         return wpa_drv_set_key(wpa_s, alg, addr, key_idx, set_tx, seq, seq_len,
 516                                key, key_len);
 517 }
 518
 519
 520 static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr,
 521                                              int protection_type,
 522                                              int key_type)
 523 {
 524         return wpa_drv_mlme_setprotection(wpa_s, addr, protection_type,
 525                                           key_type);
 526 }
 527
 528
 529 static struct wpa_ssid * wpas_get_network_ctx(struct wpa_supplicant *wpa_s,
 530                                               void *network_ctx)
 531 {
 532         struct wpa_ssid *ssid;
 533
 534         for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
 535                 if (network_ctx == ssid)
 536                         return ssid;
 537         }
 538
 539         return NULL;
 540 }
 541
 542
 543 static int wpa_supplicant_add_pmkid(void *_wpa_s, void *network_ctx,
 544                                     const u8 *bssid, const u8 *pmkid,
 545                                     const u8 *fils_cache_id,
 546                                     const u8 *pmk, size_t pmk_len)
 547 {
 548         struct wpa_supplicant *wpa_s = _wpa_s;
 549         struct wpa_ssid *ssid;
 550         struct wpa_pmkid_params params;
 551
 552         os_memset(&params, 0, sizeof(params));
 553         ssid = wpas_get_network_ctx(wpa_s, network_ctx);
 554         if (ssid)
 555                 wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_ADDED MACSTR " %d",
 556                         MAC2STR(bssid), ssid->id);
 557         if (ssid && fils_cache_id) {
 558                 params.ssid = ssid->ssid;
 559                 params.ssid_len = ssid->ssid_len;
 560                 params.fils_cache_id = fils_cache_id;
 561         } else {
 562                 params.bssid = bssid;
 563         }
 564
 565         params.pmkid = pmkid;
 566         params.pmk = pmk;
 567         params.pmk_len = pmk_len;
 568
 569         return wpa_drv_add_pmkid(wpa_s, &params);
 570 }
 571
 572
 573 static int wpa_supplicant_remove_pmkid(void *_wpa_s, void *network_ctx,
 574                                        const u8 *bssid, const u8 *pmkid,
 575                                        const u8 *fils_cache_id)
 576 {
 577         struct wpa_supplicant *wpa_s = _wpa_s;
 578         struct wpa_ssid *ssid;
 579         struct wpa_pmkid_params params;
 580
 581         os_memset(&params, 0, sizeof(params));
 582         ssid = wpas_get_network_ctx(wpa_s, network_ctx);
 583         if (ssid)
 584                 wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_REMOVED MACSTR " %d",
 585                         MAC2STR(bssid), ssid->id);
 586         if (ssid && fils_cache_id) {
 587                 params.ssid = ssid->ssid;
 588                 params.ssid_len = ssid->ssid_len;
 589                 params.fils_cache_id = fils_cache_id;
 590         } else {
 591                 params.bssid = bssid;
 592         }
 593
 594         params.pmkid = pmkid;
 595
 596         return wpa_drv_remove_pmkid(wpa_s, &params);
 597 }
 598
 599
 600 #ifdef CONFIG_IEEE80211R
 601 static int wpa_supplicant_update_ft_ies(void *ctx, const u8 *md,
 602                                         const u8 *ies, size_t ies_len)
 603 {
 604         struct wpa_supplicant *wpa_s = ctx;
 605         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
 606                 return sme_update_ft_ies(wpa_s, md, ies, ies_len);
 607         return wpa_drv_update_ft_ies(wpa_s, md, ies, ies_len);
 608 }
 609
 610
 611 static int wpa_supplicant_send_ft_action(void *ctx, u8 action,
 612                                          const u8 *target_ap,
 613                                          const u8 *ies, size_t ies_len)
 614 {
 615         struct wpa_supplicant *wpa_s = ctx;
 616         int ret;
 617         u8 *data, *pos;
 618         size_t data_len;
 619
 620         if (action != 1) {
 621                 wpa_printf(MSG_ERROR, "Unsupported send_ft_action action %d",
 622                            action);
 623                 return -1;
 624         }
 625
 626         /*
 627          * Action frame payload:
 628          * Category[1] = 6 (Fast BSS Transition)
 629          * Action[1] = 1 (Fast BSS Transition Request)
 630          * STA Address
 631          * Target AP Address
 632          * FT IEs
 633          */
 634
 635         data_len = 2 + 2 * ETH_ALEN + ies_len;
 636         data = os_malloc(data_len);
 637         if (data == NULL)
 638                 return -1;
 639         pos = data;
 640         *pos++ = 0x06; /* FT Action category */
 641         *pos++ = action;
 642         os_memcpy(pos, wpa_s->own_addr, ETH_ALEN);
 643         pos += ETH_ALEN;
 644         os_memcpy(pos, target_ap, ETH_ALEN);
 645         pos += ETH_ALEN;
 646         os_memcpy(pos, ies, ies_len);
 647
 648         ret = wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0,
 649                                   wpa_s->bssid, wpa_s->own_addr, wpa_s->bssid,
 650                                   data, data_len, 0);
 651         os_free(data);
 652
 653         return ret;
 654 }
 655
 656
 657 static int wpa_supplicant_mark_authenticated(void *ctx, const u8 *target_ap)
 658 {
 659         struct wpa_supplicant *wpa_s = ctx;
 660         struct wpa_driver_auth_params params;
 661         struct wpa_bss *bss;
 662
 663         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 664         if (bss == NULL)
 665                 return -1;
 666
 667         os_memset(&params, 0, sizeof(params));
 668         params.bssid = target_ap;
 669         params.freq = bss->freq;
 670         params.ssid = bss->ssid;
 671         params.ssid_len = bss->ssid_len;
 672         params.auth_alg = WPA_AUTH_ALG_FT;
 673         params.local_state_change = 1;
 674         return wpa_drv_authenticate(wpa_s, &params);
 675 }
 676 #endif /* CONFIG_IEEE80211R */
 677
 678
 679 #ifdef CONFIG_TDLS
 680
 681 static int wpa_supplicant_tdls_get_capa(void *ctx, int *tdls_supported,
 682                                         int *tdls_ext_setup,
 683                                         int *tdls_chan_switch)
 684 {
 685         struct wpa_supplicant *wpa_s = ctx;
 686
 687         *tdls_supported = 0;
 688         *tdls_ext_setup = 0;
 689         *tdls_chan_switch = 0;
 690
 691         if (!wpa_s->drv_capa_known)
 692                 return -1;
 693
 694         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)
 695                 *tdls_supported = 1;
 696
 697         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP)
 698                 *tdls_ext_setup = 1;
 699
 700         if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH)
 701                 *tdls_chan_switch = 1;
 702
 703         return 0;
 704 }
 705
 706
 707 static int wpa_supplicant_send_tdls_mgmt(void *ctx, const u8 *dst,
 708                                          u8 action_code, u8 dialog_token,
 709                                          u16 status_code, u32 peer_capab,
 710                                          int initiator, const u8 *buf,
 711                                          size_t len)
 712 {
 713         struct wpa_supplicant *wpa_s = ctx;
 714         return wpa_drv_send_tdls_mgmt(wpa_s, dst, action_code, dialog_token,
 715                                       status_code, peer_capab, initiator, buf,
 716                                       len);
 717 }
 718
 719
 720 static int wpa_supplicant_tdls_oper(void *ctx, int oper, const u8 *peer)
 721 {
 722         struct wpa_supplicant *wpa_s = ctx;
 723         return wpa_drv_tdls_oper(wpa_s, oper, peer);
 724 }
 725
 726
 727 static int wpa_supplicant_tdls_peer_addset(
 728         void *ctx, const u8 *peer, int add, u16 aid, u16 capability,
 729         const u8 *supp_rates, size_t supp_rates_len,
 730         const struct ieee80211_ht_capabilities *ht_capab,
 731         const struct ieee80211_vht_capabilities *vht_capab,
 732         u8 qosinfo, int wmm, const u8 *ext_capab, size_t ext_capab_len,
 733         const u8 *supp_channels, size_t supp_channels_len,
 734         const u8 *supp_oper_classes, size_t supp_oper_classes_len)
 735 {
 736         struct wpa_supplicant *wpa_s = ctx;
 737         struct hostapd_sta_add_params params;
 738
 739         os_memset(&params, 0, sizeof(params));
 740
 741         params.addr = peer;
 742         params.aid = aid;
 743         params.capability = capability;
 744         params.flags = WPA_STA_TDLS_PEER | WPA_STA_AUTHORIZED;
 745
 746         /*
 747          * Don't rely only on qosinfo for WMM capability. It may be 0 even when
 748          * present. Allow the WMM IE to also indicate QoS support.
 749          */
 750         if (wmm || qosinfo)
 751                 params.flags |= WPA_STA_WMM;
 752
 753         params.ht_capabilities = ht_capab;
 754         params.vht_capabilities = vht_capab;
 755         params.qosinfo = qosinfo;
 756         params.listen_interval = 0;
 757         params.supp_rates = supp_rates;
 758         params.supp_rates_len = supp_rates_len;
 759         params.set = !add;
 760         params.ext_capab = ext_capab;
 761         params.ext_capab_len = ext_capab_len;
 762         params.supp_channels = supp_channels;
 763         params.supp_channels_len = supp_channels_len;
 764         params.supp_oper_classes = supp_oper_classes;
 765         params.supp_oper_classes_len = supp_oper_classes_len;
 766
 767         return wpa_drv_sta_add(wpa_s, &params);
 768 }
 769
 770
 771 static int wpa_supplicant_tdls_enable_channel_switch(
 772         void *ctx, const u8 *addr, u8 oper_class,
 773         const struct hostapd_freq_params *params)
 774 {
 775         struct wpa_supplicant *wpa_s = ctx;
 776
 777         return wpa_drv_tdls_enable_channel_switch(wpa_s, addr, oper_class,
 778                                                   params);
 779 }
 780
 781
 782 static int wpa_supplicant_tdls_disable_channel_switch(void *ctx, const u8 *addr)
 783 {
 784         struct wpa_supplicant *wpa_s = ctx;
 785
 786         return wpa_drv_tdls_disable_channel_switch(wpa_s, addr);
 787 }
 788
 789 #endif /* CONFIG_TDLS */
 790
 791 #endif /* CONFIG_NO_WPA */
 792
 793
 794 enum wpa_ctrl_req_type wpa_supplicant_ctrl_req_from_string(const char *field)
 795 {
 796         if (os_strcmp(field, "IDENTITY") == 0)
 797                 return WPA_CTRL_REQ_EAP_IDENTITY;
 798         else if (os_strcmp(field, "PASSWORD") == 0)
 799                 return WPA_CTRL_REQ_EAP_PASSWORD;
 800         else if (os_strcmp(field, "NEW_PASSWORD") == 0)
 801                 return WPA_CTRL_REQ_EAP_NEW_PASSWORD;
 802         else if (os_strcmp(field, "PIN") == 0)
 803                 return WPA_CTRL_REQ_EAP_PIN;
 804         else if (os_strcmp(field, "OTP") == 0)
 805                 return WPA_CTRL_REQ_EAP_OTP;
 806         else if (os_strcmp(field, "PASSPHRASE") == 0)
 807                 return WPA_CTRL_REQ_EAP_PASSPHRASE;
 808         else if (os_strcmp(field, "SIM") == 0)
 809                 return WPA_CTRL_REQ_SIM;
 810         else if (os_strcmp(field, "PSK_PASSPHRASE") == 0)
 811                 return WPA_CTRL_REQ_PSK_PASSPHRASE;
 812         else if (os_strcmp(field, "EXT_CERT_CHECK") == 0)
 813                 return WPA_CTRL_REQ_EXT_CERT_CHECK;
 814         return WPA_CTRL_REQ_UNKNOWN;
 815 }
 816
 817
 818 const char * wpa_supplicant_ctrl_req_to_string(enum wpa_ctrl_req_type field,
 819                                                const char *default_txt,
 820                                                const char **txt)
 821 {
 822         const char *ret = NULL;
 823
 824         *txt = default_txt;
 825
 826         switch (field) {
 827         case WPA_CTRL_REQ_EAP_IDENTITY:
 828                 *txt = "Identity";
 829                 ret = "IDENTITY";
 830                 break;
 831         case WPA_CTRL_REQ_EAP_PASSWORD:
 832                 *txt = "Password";
 833                 ret = "PASSWORD";
 834                 break;
 835         case WPA_CTRL_REQ_EAP_NEW_PASSWORD:
 836                 *txt = "New Password";
 837                 ret = "NEW_PASSWORD";
 838                 break;
 839         case WPA_CTRL_REQ_EAP_PIN:
 840                 *txt = "PIN";
 841                 ret = "PIN";
 842                 break;
 843         case WPA_CTRL_REQ_EAP_OTP:
 844                 ret = "OTP";
 845                 break;
 846         case WPA_CTRL_REQ_EAP_PASSPHRASE:
 847                 *txt = "Private key passphrase";
 848                 ret = "PASSPHRASE";
 849                 break;
 850         case WPA_CTRL_REQ_SIM:
 851                 ret = "SIM";
 852                 break;
 853         case WPA_CTRL_REQ_PSK_PASSPHRASE:
 854                 *txt = "PSK or passphrase";
 855                 ret = "PSK_PASSPHRASE";
 856                 break;
 857         case WPA_CTRL_REQ_EXT_CERT_CHECK:
 858                 *txt = "External server certificate validation";
 859                 ret = "EXT_CERT_CHECK";
 860                 break;
 861         default:
 862                 break;
 863         }
 864
 865         /* txt needs to be something */
 866         if (*txt == NULL) {
 867                 wpa_printf(MSG_WARNING, "No message for request %d", field);
 868                 ret = NULL;
 869         }
 870
 871         return ret;
 872 }
 873
 874
 875 void wpas_send_ctrl_req(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
 876                         const char *field_name, const char *txt)
 877 {
 878         char *buf;
 879         size_t buflen;
 880         int len;
 881
 882         buflen = 100 + os_strlen(txt) + ssid->ssid_len;
 883         buf = os_malloc(buflen);
 884         if (buf == NULL)
 885                 return;
 886         len = os_snprintf(buf, buflen, "%s-%d:%s needed for SSID ",
 887                           field_name, ssid->id, txt);
 888         if (os_snprintf_error(buflen, len)) {
 889                 os_free(buf);
 890                 return;
 891         }
 892         if (ssid->ssid && buflen > len + ssid->ssid_len) {
 893                 os_memcpy(buf + len, ssid->ssid, ssid->ssid_len);
 894                 len += ssid->ssid_len;
 895                 buf[len] = '\0';
 896         }
 897         buf[buflen - 1] = '\0';
 898         wpa_msg(wpa_s, MSG_INFO, WPA_CTRL_REQ "%s", buf);
 899         os_free(buf);
 900 }
 901
 902
 903 #ifdef IEEE8021X_EAPOL
 904 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
 905 static void wpa_supplicant_eap_param_needed(void *ctx,
 906                                             enum wpa_ctrl_req_type field,
 907                                             const char *default_txt)
 908 {
 909         struct wpa_supplicant *wpa_s = ctx;
 910         struct wpa_ssid *ssid = wpa_s->current_ssid;
 911         const char *field_name, *txt = NULL;
 912
 913         if (ssid == NULL)
 914                 return;
 915
 916         if (field == WPA_CTRL_REQ_EXT_CERT_CHECK)
 917                 ssid->eap.pending_ext_cert_check = PENDING_CHECK;
 918         wpas_notify_network_request(wpa_s, ssid, field, default_txt);
 919
 920         field_name = wpa_supplicant_ctrl_req_to_string(field, default_txt,
 921                                                        &txt);
 922         if (field_name == NULL) {
 923                 wpa_printf(MSG_WARNING, "Unhandled EAP param %d needed",
 924                            field);
 925                 return;
 926         }
 927
 928         wpas_notify_eap_status(wpa_s, "eap parameter needed", field_name);
 929
 930         wpas_send_ctrl_req(wpa_s, ssid, field_name, txt);
 931 }
 932 #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
 933 #define wpa_supplicant_eap_param_needed NULL
 934 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
 935
 936
 937 #ifdef CONFIG_EAP_PROXY
 938
 939 static void wpa_supplicant_eap_proxy_cb(void *ctx)
 940 {
 941         struct wpa_supplicant *wpa_s = ctx;
 942         size_t len;
 943
 944         wpa_s->mnc_len = eapol_sm_get_eap_proxy_imsi(wpa_s->eapol, -1,
 945                                                      wpa_s->imsi, &len);
 946         if (wpa_s->mnc_len > 0) {
 947                 wpa_s->imsi[len] = '\0';
 948                 wpa_printf(MSG_DEBUG, "eap_proxy: IMSI %s (MNC length %d)",
 949                            wpa_s->imsi, wpa_s->mnc_len);
 950         } else {
 951                 wpa_printf(MSG_DEBUG, "eap_proxy: IMSI not available");
 952         }
 953 }
 954
 955
 956 static void wpa_sm_sim_state_error_handler(struct wpa_supplicant *wpa_s)
 957 {
 958         int i;
 959         struct wpa_ssid *ssid;
 960         const struct eap_method_type *eap_methods;
 961
 962         if (!wpa_s->conf)
 963                 return;
 964
 965         for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
 966                 eap_methods = ssid->eap.eap_methods;
 967                 if (!eap_methods)
 968                         continue;
 969
 970                 for (i = 0; eap_methods[i].method != EAP_TYPE_NONE; i++) {
 971                         if (eap_methods[i].vendor == EAP_VENDOR_IETF &&
 972                             (eap_methods[i].method == EAP_TYPE_SIM ||
 973                              eap_methods[i].method == EAP_TYPE_AKA ||
 974                              eap_methods[i].method == EAP_TYPE_AKA_PRIME)) {
 975                                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
 976                                 break;
 977                         }
 978                 }
 979         }
 980 }
 981
 982
 983 static void
 984 wpa_supplicant_eap_proxy_notify_sim_status(void *ctx,
 985                                            enum eap_proxy_sim_state sim_state)
 986 {
 987         struct wpa_supplicant *wpa_s = ctx;
 988
 989         wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status %u", sim_state);
 990         switch (sim_state) {
 991         case SIM_STATE_ERROR:
 992                 wpa_sm_sim_state_error_handler(wpa_s);
 993                 break;
 994         default:
 995                 wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status unknown");
 996                 break;
 997         }
 998 }
 999
1000 #endif /* CONFIG_EAP_PROXY */
1001
1002
1003 static void wpa_supplicant_port_cb(void *ctx, int authorized)
1004 {
1005         struct wpa_supplicant *wpa_s = ctx;
1006 #ifdef CONFIG_AP
1007         if (wpa_s->ap_iface) {
1008                 wpa_printf(MSG_DEBUG, "AP mode active - skip EAPOL Supplicant "
1009                            "port status: %s",
1010                            authorized ? "Authorized" : "Unauthorized");
1011                 return;
1012         }
1013 #endif /* CONFIG_AP */
1014         wpa_printf(MSG_DEBUG, "EAPOL: Supplicant port status: %s",
1015                    authorized ? "Authorized" : "Unauthorized");
1016         wpa_drv_set_supp_port(wpa_s, authorized);
1017 }
1018
1019
1020 static void wpa_supplicant_cert_cb(void *ctx, int depth, const char *subject,
1021                                    const char *altsubject[], int num_altsubject,
1022                                    const char *cert_hash,
1023                                    const struct wpabuf *cert)
1024 {
1025         struct wpa_supplicant *wpa_s = ctx;
1026
1027         wpas_notify_certification(wpa_s, depth, subject, altsubject,
1028                                   num_altsubject, cert_hash, cert);
1029 }
1030
1031
1032 static void wpa_supplicant_status_cb(void *ctx, const char *status,
1033                                      const char *parameter)
1034 {
1035         struct wpa_supplicant *wpa_s = ctx;
1036
1037         wpas_notify_eap_status(wpa_s, status, parameter);
1038 }
1039
1040
1041 static void wpa_supplicant_eap_error_cb(void *ctx, int error_code)
1042 {
1043         struct wpa_supplicant *wpa_s = ctx;
1044
1045         wpas_notify_eap_error(wpa_s, error_code);
1046 }
1047
1048
1049 static void wpa_supplicant_set_anon_id(void *ctx, const u8 *id, size_t len)
1050 {
1051         struct wpa_supplicant *wpa_s = ctx;
1052         char *str;
1053         int res;
1054
1055         wpa_hexdump_ascii(MSG_DEBUG, "EAP method updated anonymous_identity",
1056                           id, len);
1057
1058         if (wpa_s->current_ssid == NULL)
1059                 return;
1060
1061         if (id == NULL) {
1062                 if (wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
1063                                    "NULL", 0) < 0)
1064                         return;
1065         } else {
1066                 str = os_malloc(len * 2 + 1);
1067                 if (str == NULL)
1068                         return;
1069                 wpa_snprintf_hex(str, len * 2 + 1, id, len);
1070                 res = wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
1071                                      str, 0);
1072                 os_free(str);
1073                 if (res < 0)
1074                         return;
1075         }
1076
1077         if (wpa_s->conf->update_config) {
1078                 res = wpa_config_write(wpa_s->confname, wpa_s->conf);
1079                 if (res) {
1080                         wpa_printf(MSG_DEBUG, "Failed to update config after "
1081                                    "anonymous_id update");
1082                 }
1083         }
1084 }
1085 #endif /* IEEE8021X_EAPOL */
1086
1087
1088 int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s)
1089 {
1090 #ifdef IEEE8021X_EAPOL
1091         struct eapol_ctx *ctx;
1092         ctx = os_zalloc(sizeof(*ctx));
1093         if (ctx == NULL) {
1094                 wpa_printf(MSG_ERROR, "Failed to allocate EAPOL context.");
1095                 return -1;
1096         }
1097
1098         ctx->ctx = wpa_s;
1099         ctx->msg_ctx = wpa_s;
1100         ctx->eapol_send_ctx = wpa_s;
1101         ctx->preauth = 0;
1102         ctx->eapol_done_cb = wpa_supplicant_notify_eapol_done;
1103         ctx->eapol_send = wpa_supplicant_eapol_send;
1104         ctx->set_wep_key = wpa_eapol_set_wep_key;
1105 #ifndef CONFIG_NO_CONFIG_BLOBS
1106         ctx->set_config_blob = wpa_supplicant_set_config_blob;
1107         ctx->get_config_blob = wpa_supplicant_get_config_blob;
1108 #endif /* CONFIG_NO_CONFIG_BLOBS */
1109         ctx->aborted_cached = wpa_supplicant_aborted_cached;
1110         ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
1111         ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
1112         ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
1113         ctx->openssl_ciphers = wpa_s->conf->openssl_ciphers;
1114         ctx->wps = wpa_s->wps;
1115         ctx->eap_param_needed = wpa_supplicant_eap_param_needed;
1116 #ifdef CONFIG_EAP_PROXY
1117         ctx->eap_proxy_cb = wpa_supplicant_eap_proxy_cb;
1118         ctx->eap_proxy_notify_sim_status =
1119                 wpa_supplicant_eap_proxy_notify_sim_status;
1120 #endif /* CONFIG_EAP_PROXY */
1121         ctx->port_cb = wpa_supplicant_port_cb;
1122         ctx->cb = wpa_supplicant_eapol_cb;
1123         ctx->cert_cb = wpa_supplicant_cert_cb;
1124         ctx->cert_in_cb = wpa_s->conf->cert_in_cb;
1125         ctx->status_cb = wpa_supplicant_status_cb;
1126         ctx->eap_error_cb = wpa_supplicant_eap_error_cb;
1127         ctx->set_anon_id = wpa_supplicant_set_anon_id;
1128         ctx->cb_ctx = wpa_s;
1129         wpa_s->eapol = eapol_sm_init(ctx);
1130         if (wpa_s->eapol == NULL) {
1131                 os_free(ctx);
1132                 wpa_printf(MSG_ERROR, "Failed to initialize EAPOL state "
1133                            "machines.");
1134                 return -1;
1135         }
1136 #endif /* IEEE8021X_EAPOL */
1137
1138         return 0;
1139 }
1140
1141
1142 #ifndef CONFIG_NO_WPA
1143
1144 static void wpa_supplicant_set_rekey_offload(void *ctx,
1145                                              const u8 *kek, size_t kek_len,
1146                                              const u8 *kck, size_t kck_len,
1147                                              const u8 *replay_ctr)
1148 {
1149         struct wpa_supplicant *wpa_s = ctx;
1150
1151         wpa_drv_set_rekey_info(wpa_s, kek, kek_len, kck, kck_len, replay_ctr);
1152 }
1153
1154
1155 static int wpa_supplicant_key_mgmt_set_pmk(void *ctx, const u8 *pmk,
1156                                            size_t pmk_len)
1157 {
1158         struct wpa_supplicant *wpa_s = ctx;
1159
1160         if (wpa_s->conf->key_mgmt_offload &&
1161             (wpa_s->drv_flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
1162                 return wpa_drv_set_key(wpa_s, WPA_ALG_PMK, NULL, 0, 0,
1163                                        NULL, 0, pmk, pmk_len);
1164         else
1165                 return 0;
1166 }
1167
1168
1169 static void wpa_supplicant_fils_hlp_rx(void *ctx, const u8 *dst, const u8 *src,
1170                                        const u8 *pkt, size_t pkt_len)
1171 {
1172         struct wpa_supplicant *wpa_s = ctx;
1173         char *hex;
1174         size_t hexlen;
1175
1176         hexlen = pkt_len * 2 + 1;
1177         hex = os_malloc(hexlen);
1178         if (!hex)
1179                 return;
1180         wpa_snprintf_hex(hex, hexlen, pkt, pkt_len);
1181         wpa_msg(wpa_s, MSG_INFO, FILS_HLP_RX "dst=" MACSTR " src=" MACSTR
1182                 " frame=%s", MAC2STR(dst), MAC2STR(src), hex);
1183         os_free(hex);
1184 }
1185
1186
1187 static int wpa_supplicant_channel_info(void *_wpa_s,
1188                                        struct wpa_channel_info *ci)
1189 {
1190         struct wpa_supplicant *wpa_s = _wpa_s;
1191
1192         return wpa_drv_channel_info(wpa_s, ci);
1193 }
1194
1195 #endif /* CONFIG_NO_WPA */
1196
1197
1198 int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s)
1199 {
1200 #ifndef CONFIG_NO_WPA
1201         struct wpa_sm_ctx *ctx;
1202         ctx = os_zalloc(sizeof(*ctx));
1203         if (ctx == NULL) {
1204                 wpa_printf(MSG_ERROR, "Failed to allocate WPA context.");
1205                 return -1;
1206         }
1207
1208         ctx->ctx = wpa_s;
1209         ctx->msg_ctx = wpa_s;
1210         ctx->set_state = _wpa_supplicant_set_state;
1211         ctx->get_state = _wpa_supplicant_get_state;
1212         ctx->deauthenticate = _wpa_supplicant_deauthenticate;
1213         ctx->set_key = wpa_supplicant_set_key;
1214         ctx->get_network_ctx = wpa_supplicant_get_network_ctx;
1215         ctx->get_bssid = wpa_supplicant_get_bssid;
1216         ctx->ether_send = _wpa_ether_send;
1217         ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie;
1218         ctx->alloc_eapol = _wpa_alloc_eapol;
1219         ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout;
1220         ctx->add_pmkid = wpa_supplicant_add_pmkid;
1221         ctx->remove_pmkid = wpa_supplicant_remove_pmkid;
1222 #ifndef CONFIG_NO_CONFIG_BLOBS
1223         ctx->set_config_blob = wpa_supplicant_set_config_blob;
1224         ctx->get_config_blob = wpa_supplicant_get_config_blob;
1225 #endif /* CONFIG_NO_CONFIG_BLOBS */
1226         ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection;
1227 #ifdef CONFIG_IEEE80211R
1228         ctx->update_ft_ies = wpa_supplicant_update_ft_ies;
1229         ctx->send_ft_action = wpa_supplicant_send_ft_action;
1230         ctx->mark_authenticated = wpa_supplicant_mark_authenticated;
1231 #endif /* CONFIG_IEEE80211R */
1232 #ifdef CONFIG_TDLS
1233         ctx->tdls_get_capa = wpa_supplicant_tdls_get_capa;
1234         ctx->send_tdls_mgmt = wpa_supplicant_send_tdls_mgmt;
1235         ctx->tdls_oper = wpa_supplicant_tdls_oper;
1236         ctx->tdls_peer_addset = wpa_supplicant_tdls_peer_addset;
1237         ctx->tdls_enable_channel_switch =
1238                 wpa_supplicant_tdls_enable_channel_switch;
1239         ctx->tdls_disable_channel_switch =
1240                 wpa_supplicant_tdls_disable_channel_switch;
1241 #endif /* CONFIG_TDLS */
1242         ctx->set_rekey_offload = wpa_supplicant_set_rekey_offload;
1243         ctx->key_mgmt_set_pmk = wpa_supplicant_key_mgmt_set_pmk;
1244         ctx->fils_hlp_rx = wpa_supplicant_fils_hlp_rx;
1245         ctx->channel_info = wpa_supplicant_channel_info;
1246
1247         wpa_s->wpa = wpa_sm_init(ctx);
1248         if (wpa_s->wpa == NULL) {
1249                 wpa_printf(MSG_ERROR, "Failed to initialize WPA state "
1250                            "machine");
1251                 os_free(ctx);
1252                 return -1;
1253         }
1254 #endif /* CONFIG_NO_WPA */
1255
1256         return 0;
1257 }
1258
1259
1260 void wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant *wpa_s,
1261                                         struct wpa_ssid *ssid)
1262 {
1263         struct rsn_supp_config conf;
1264         if (ssid) {
1265                 os_memset(&conf, 0, sizeof(conf));
1266                 conf.network_ctx = ssid;
1267                 conf.allowed_pairwise_cipher = ssid->pairwise_cipher;
1268 #ifdef IEEE8021X_EAPOL
1269                 conf.proactive_key_caching = ssid->proactive_key_caching < 0 ?
1270                         wpa_s->conf->okc : ssid->proactive_key_caching;
1271                 conf.eap_workaround = ssid->eap_workaround;
1272                 conf.eap_conf_ctx = &ssid->eap;
1273 #endif /* IEEE8021X_EAPOL */
1274                 conf.ssid = ssid->ssid;
1275                 conf.ssid_len = ssid->ssid_len;
1276                 conf.wpa_ptk_rekey = ssid->wpa_ptk_rekey;
1277 #ifdef CONFIG_P2P
1278                 if (ssid->p2p_group && wpa_s->current_bss &&
1279                     !wpa_s->p2p_disable_ip_addr_req) {
1280                         struct wpabuf *p2p;
1281                         p2p = wpa_bss_get_vendor_ie_multi(wpa_s->current_bss,
1282                                                           P2P_IE_VENDOR_TYPE);
1283                         if (p2p) {
1284                                 u8 group_capab;
1285                                 group_capab = p2p_get_group_capab(p2p);
1286                                 if (group_capab &
1287                                     P2P_GROUP_CAPAB_IP_ADDR_ALLOCATION)
1288                                         conf.p2p = 1;
1289                                 wpabuf_free(p2p);
1290                         }
1291                 }
1292 #endif /* CONFIG_P2P */
1293                 conf.wpa_rsc_relaxation = wpa_s->conf->wpa_rsc_relaxation;
1294 #ifdef CONFIG_FILS
1295                 if (wpa_key_mgmt_fils(wpa_s->key_mgmt))
1296                         conf.fils_cache_id =
1297                                 wpa_bss_get_fils_cache_id(wpa_s->current_bss);
1298 #endif /* CONFIG_FILS */
1299         }
1300         wpa_sm_set_config(wpa_s->wpa, ssid ? &conf : NULL);
1301 }