wpa_supplicant/eapol_test.c

   1 /*
   2  * WPA Supplicant - test code
   3  * Copyright (c) 2003-2012, 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  * IEEE 802.1X Supplicant test code (to be used in place of wpa_supplicant.c.
   9  * Not used in production version.
  10  */
  11
  12 #include "includes.h"
  13 #include <assert.h>
  14
  15 #include "common.h"
  16 #include "utils/ext_password.h"
  17 #include "config.h"
  18 #include "eapol_supp/eapol_supp_sm.h"
  19 #include "eap_peer/eap.h"
  20 #include "eap_server/eap_methods.h"
  21 #include "eloop.h"
  22 #include "utils/base64.h"
  23 #include "rsn_supp/wpa.h"
  24 #include "wpa_supplicant_i.h"
  25 #include "radius/radius.h"
  26 #include "radius/radius_client.h"
  27 #include "common/wpa_ctrl.h"
  28 #include "ctrl_iface.h"
  29 #include "pcsc_funcs.h"
  30
  31
  32 extern int wpa_debug_level;
  33 extern int wpa_debug_show_keys;
  34
  35 struct wpa_driver_ops *wpa_drivers[] = { NULL };
  36
  37
  38 struct extra_radius_attr {
  39         u8 type;
  40         char syntax;
  41         char *data;
  42         struct extra_radius_attr *next;
  43 };
  44
  45 struct eapol_test_data {
  46         struct wpa_supplicant *wpa_s;
  47
  48         int eapol_test_num_reauths;
  49         int no_mppe_keys;
  50         int num_mppe_ok, num_mppe_mismatch;
  51
  52         u8 radius_identifier;
  53         struct radius_msg *last_recv_radius;
  54         struct in_addr own_ip_addr;
  55         struct radius_client_data *radius;
  56         struct hostapd_radius_servers *radius_conf;
  57
  58          /* last received EAP Response from Authentication Server */
  59         struct wpabuf *last_eap_radius;
  60
  61         u8 authenticator_pmk[PMK_LEN];
  62         size_t authenticator_pmk_len;
  63         int radius_access_accept_received;
  64         int radius_access_reject_received;
  65         int auth_timed_out;
  66
  67         u8 *eap_identity;
  68         size_t eap_identity_len;
  69
  70         char *connect_info;
  71         u8 own_addr[ETH_ALEN];
  72         struct extra_radius_attr *extra_attrs;
  73
  74         FILE *server_cert_file;
  75 };
  76
  77 static struct eapol_test_data eapol_test;
  78
  79
  80 static void send_eap_request_identity(void *eloop_ctx, void *timeout_ctx);
  81
  82
  83 static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module,
  84                               int level, const char *txt, size_t len)
  85 {
  86         if (addr)
  87                 wpa_printf(MSG_DEBUG, "STA " MACSTR ": %s\n",
  88                            MAC2STR(addr), txt);
  89         else
  90                 wpa_printf(MSG_DEBUG, "%s", txt);
  91 }
  92
  93
  94 static int add_extra_attr(struct radius_msg *msg,
  95                           struct extra_radius_attr *attr)
  96 {
  97         size_t len;
  98         char *pos;
  99         u32 val;
 100         char buf[RADIUS_MAX_ATTR_LEN + 1];
 101
 102         switch (attr->syntax) {
 103         case 's':
 104                 os_snprintf(buf, sizeof(buf), "%s", attr->data);
 105                 len = os_strlen(buf);
 106                 break;
 107         case 'n':
 108                 buf[0] = '\0';
 109                 len = 1;
 110                 break;
 111         case 'x':
 112                 pos = attr->data;
 113                 if (pos[0] == '0' && pos[1] == 'x')
 114                         pos += 2;
 115                 len = os_strlen(pos);
 116                 if ((len & 1) || (len / 2) > RADIUS_MAX_ATTR_LEN) {
 117                         printf("Invalid extra attribute hexstring\n");
 118                         return -1;
 119                 }
 120                 len /= 2;
 121                 if (hexstr2bin(pos, (u8 *) buf, len) < 0) {
 122                         printf("Invalid extra attribute hexstring\n");
 123                         return -1;
 124                 }
 125                 break;
 126         case 'd':
 127                 val = htonl(atoi(attr->data));
 128                 os_memcpy(buf, &val, 4);
 129                 len = 4;
 130                 break;
 131         default:
 132                 printf("Incorrect extra attribute syntax specification\n");
 133                 return -1;
 134         }
 135
 136         if (!radius_msg_add_attr(msg, attr->type, (u8 *) buf, len)) {
 137                 printf("Could not add attribute %d\n", attr->type);
 138                 return -1;
 139         }
 140
 141         return 0;
 142 }
 143
 144
 145 static int add_extra_attrs(struct radius_msg *msg,
 146                            struct extra_radius_attr *attrs)
 147 {
 148         struct extra_radius_attr *p;
 149         for (p = attrs; p; p = p->next) {
 150                 if (add_extra_attr(msg, p) < 0)
 151                         return -1;
 152         }
 153         return 0;
 154 }
 155
 156
 157 static struct extra_radius_attr *
 158 find_extra_attr(struct extra_radius_attr *attrs, u8 type)
 159 {
 160         struct extra_radius_attr *p;
 161         for (p = attrs; p; p = p->next) {
 162                 if (p->type == type)
 163                         return p;
 164         }
 165         return NULL;
 166 }
 167
 168
 169 static void ieee802_1x_encapsulate_radius(struct eapol_test_data *e,
 170                                           const u8 *eap, size_t len)
 171 {
 172         struct radius_msg *msg;
 173         char buf[RADIUS_MAX_ATTR_LEN + 1];
 174         const struct eap_hdr *hdr;
 175         const u8 *pos;
 176
 177         wpa_printf(MSG_DEBUG, "Encapsulating EAP message into a RADIUS "
 178                    "packet");
 179
 180         e->radius_identifier = radius_client_get_id(e->radius);
 181         msg = radius_msg_new(RADIUS_CODE_ACCESS_REQUEST,
 182                              e->radius_identifier);
 183         if (msg == NULL) {
 184                 printf("Could not create net RADIUS packet\n");
 185                 return;
 186         }
 187
 188         radius_msg_make_authenticator(msg, (u8 *) e, sizeof(*e));
 189
 190         hdr = (const struct eap_hdr *) eap;
 191         pos = (const u8 *) (hdr + 1);
 192         if (len > sizeof(*hdr) && hdr->code == EAP_CODE_RESPONSE &&
 193             pos[0] == EAP_TYPE_IDENTITY) {
 194                 pos++;
 195                 os_free(e->eap_identity);
 196                 e->eap_identity_len = len - sizeof(*hdr) - 1;
 197                 e->eap_identity = os_malloc(e->eap_identity_len);
 198                 if (e->eap_identity) {
 199                         os_memcpy(e->eap_identity, pos, e->eap_identity_len);
 200                         wpa_hexdump(MSG_DEBUG, "Learned identity from "
 201                                     "EAP-Response-Identity",
 202                                     e->eap_identity, e->eap_identity_len);
 203                 }
 204         }
 205
 206         if (e->eap_identity &&
 207             !radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME,
 208                                  e->eap_identity, e->eap_identity_len)) {
 209                 printf("Could not add User-Name\n");
 210                 goto fail;
 211         }
 212
 213         if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_NAS_IP_ADDRESS) &&
 214             !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
 215                                  (u8 *) &e->own_ip_addr, 4)) {
 216                 printf("Could not add NAS-IP-Address\n");
 217                 goto fail;
 218         }
 219
 220         os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT,
 221                     MAC2STR(e->wpa_s->own_addr));
 222         if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_CALLING_STATION_ID)
 223             &&
 224             !radius_msg_add_attr(msg, RADIUS_ATTR_CALLING_STATION_ID,
 225                                  (u8 *) buf, os_strlen(buf))) {
 226                 printf("Could not add Calling-Station-Id\n");
 227                 goto fail;
 228         }
 229
 230         /* TODO: should probably check MTU from driver config; 2304 is max for
 231          * IEEE 802.11, but use 1400 to avoid problems with too large packets
 232          */
 233         if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_FRAMED_MTU) &&
 234             !radius_msg_add_attr_int32(msg, RADIUS_ATTR_FRAMED_MTU, 1400)) {
 235                 printf("Could not add Framed-MTU\n");
 236                 goto fail;
 237         }
 238
 239         if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_NAS_PORT_TYPE) &&
 240             !radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT_TYPE,
 241                                        RADIUS_NAS_PORT_TYPE_IEEE_802_11)) {
 242                 printf("Could not add NAS-Port-Type\n");
 243                 goto fail;
 244         }
 245
 246         os_snprintf(buf, sizeof(buf), "%s", e->connect_info);
 247         if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_CONNECT_INFO) &&
 248             !radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
 249                                  (u8 *) buf, os_strlen(buf))) {
 250                 printf("Could not add Connect-Info\n");
 251                 goto fail;
 252         }
 253
 254         if (add_extra_attrs(msg, e->extra_attrs) < 0)
 255                 goto fail;
 256
 257         if (eap && !radius_msg_add_eap(msg, eap, len)) {
 258                 printf("Could not add EAP-Message\n");
 259                 goto fail;
 260         }
 261
 262         /* State attribute must be copied if and only if this packet is
 263          * Access-Request reply to the previous Access-Challenge */
 264         if (e->last_recv_radius &&
 265             radius_msg_get_hdr(e->last_recv_radius)->code ==
 266             RADIUS_CODE_ACCESS_CHALLENGE) {
 267                 int res = radius_msg_copy_attr(msg, e->last_recv_radius,
 268                                                RADIUS_ATTR_STATE);
 269                 if (res < 0) {
 270                         printf("Could not copy State attribute from previous "
 271                                "Access-Challenge\n");
 272                         goto fail;
 273                 }
 274                 if (res > 0) {
 275                         wpa_printf(MSG_DEBUG, "  Copied RADIUS State "
 276                                    "Attribute");
 277                 }
 278         }
 279
 280         if (radius_client_send(e->radius, msg, RADIUS_AUTH, e->wpa_s->own_addr)
 281             < 0)
 282                 goto fail;
 283         return;
 284
 285  fail:
 286         radius_msg_free(msg);
 287 }
 288
 289
 290 static int eapol_test_eapol_send(void *ctx, int type, const u8 *buf,
 291                                  size_t len)
 292 {
 293         printf("WPA: eapol_test_eapol_send(type=%d len=%lu)\n",
 294                type, (unsigned long) len);
 295         if (type == IEEE802_1X_TYPE_EAP_PACKET) {
 296                 wpa_hexdump(MSG_DEBUG, "TX EAP -> RADIUS", buf, len);
 297                 ieee802_1x_encapsulate_radius(&eapol_test, buf, len);
 298         }
 299         return 0;
 300 }
 301
 302
 303 static void eapol_test_set_config_blob(void *ctx,
 304                                        struct wpa_config_blob *blob)
 305 {
 306         struct eapol_test_data *e = ctx;
 307         wpa_config_set_blob(e->wpa_s->conf, blob);
 308 }
 309
 310
 311 static const struct wpa_config_blob *
 312 eapol_test_get_config_blob(void *ctx, const char *name)
 313 {
 314         struct eapol_test_data *e = ctx;
 315         return wpa_config_get_blob(e->wpa_s->conf, name);
 316 }
 317
 318
 319 static void eapol_test_eapol_done_cb(void *ctx)
 320 {
 321         printf("WPA: EAPOL processing complete\n");
 322 }
 323
 324
 325 static void eapol_sm_reauth(void *eloop_ctx, void *timeout_ctx)
 326 {
 327         struct eapol_test_data *e = eloop_ctx;
 328         printf("\n\n\n\n\neapol_test: Triggering EAP reauthentication\n\n");
 329         e->radius_access_accept_received = 0;
 330         send_eap_request_identity(e->wpa_s, NULL);
 331 }
 332
 333
 334 static int eapol_test_compare_pmk(struct eapol_test_data *e)
 335 {
 336         u8 pmk[PMK_LEN];
 337         int ret = 1;
 338
 339         if (eapol_sm_get_key(e->wpa_s->eapol, pmk, PMK_LEN) == 0) {
 340                 wpa_hexdump(MSG_DEBUG, "PMK from EAPOL", pmk, PMK_LEN);
 341                 if (os_memcmp(pmk, e->authenticator_pmk, PMK_LEN) != 0) {
 342                         printf("WARNING: PMK mismatch\n");
 343                         wpa_hexdump(MSG_DEBUG, "PMK from AS",
 344                                     e->authenticator_pmk, PMK_LEN);
 345                 } else if (e->radius_access_accept_received)
 346                         ret = 0;
 347         } else if (e->authenticator_pmk_len == 16 &&
 348                    eapol_sm_get_key(e->wpa_s->eapol, pmk, 16) == 0) {
 349                 wpa_hexdump(MSG_DEBUG, "LEAP PMK from EAPOL", pmk, 16);
 350                 if (os_memcmp(pmk, e->authenticator_pmk, 16) != 0) {
 351                         printf("WARNING: PMK mismatch\n");
 352                         wpa_hexdump(MSG_DEBUG, "PMK from AS",
 353                                     e->authenticator_pmk, 16);
 354                 } else if (e->radius_access_accept_received)
 355                         ret = 0;
 356         } else if (e->radius_access_accept_received && e->no_mppe_keys) {
 357                 /* No keying material expected */
 358                 ret = 0;
 359         }
 360
 361         if (ret && !e->no_mppe_keys)
 362                 e->num_mppe_mismatch++;
 363         else if (!e->no_mppe_keys)
 364                 e->num_mppe_ok++;
 365
 366         return ret;
 367 }
 368
 369
 370 static void eapol_sm_cb(struct eapol_sm *eapol, int success, void *ctx)
 371 {
 372         struct eapol_test_data *e = ctx;
 373         printf("eapol_sm_cb: success=%d\n", success);
 374         e->eapol_test_num_reauths--;
 375         if (e->eapol_test_num_reauths < 0)
 376                 eloop_terminate();
 377         else {
 378                 eapol_test_compare_pmk(e);
 379                 eloop_register_timeout(0, 100000, eapol_sm_reauth, e, NULL);
 380         }
 381 }
 382
 383
 384 static void eapol_test_write_cert(FILE *f, const char *subject,
 385                                   const struct wpabuf *cert)
 386 {
 387         unsigned char *encoded;
 388
 389         encoded = base64_encode(wpabuf_head(cert), wpabuf_len(cert), NULL);
 390         if (encoded == NULL)
 391                 return;
 392         fprintf(f, "%s\n-----BEGIN CERTIFICATE-----\n%s"
 393                 "-----END CERTIFICATE-----\n\n", subject, encoded);
 394         os_free(encoded);
 395 }
 396
 397
 398 static void eapol_test_cert_cb(void *ctx, int depth, const char *subject,
 399                                const char *cert_hash,
 400                                const struct wpabuf *cert)
 401 {
 402         struct eapol_test_data *e = ctx;
 403
 404         wpa_msg(e->wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_CERT
 405                 "depth=%d subject='%s'%s%s",
 406                 depth, subject,
 407                 cert_hash ? " hash=" : "",
 408                 cert_hash ? cert_hash : "");
 409
 410         if (cert) {
 411                 char *cert_hex;
 412                 size_t len = wpabuf_len(cert) * 2 + 1;
 413                 cert_hex = os_malloc(len);
 414                 if (cert_hex) {
 415                         wpa_snprintf_hex(cert_hex, len, wpabuf_head(cert),
 416                                          wpabuf_len(cert));
 417                         wpa_msg_ctrl(e->wpa_s, MSG_INFO,
 418                                      WPA_EVENT_EAP_PEER_CERT
 419                                      "depth=%d subject='%s' cert=%s",
 420                                      depth, subject, cert_hex);
 421                         os_free(cert_hex);
 422                 }
 423
 424                 if (e->server_cert_file)
 425                         eapol_test_write_cert(e->server_cert_file,
 426                                               subject, cert);
 427         }
 428 }
 429
 430
 431 static void eapol_test_set_anon_id(void *ctx, const u8 *id, size_t len)
 432 {
 433         struct eapol_test_data *e = ctx;
 434         struct wpa_supplicant *wpa_s = e->wpa_s;
 435         char *str;
 436         int res;
 437
 438         wpa_hexdump_ascii(MSG_DEBUG, "EAP method updated anonymous_identity",
 439                           id, len);
 440
 441         if (wpa_s->current_ssid == NULL)
 442                 return;
 443
 444         if (id == NULL) {
 445                 if (wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
 446                                    "NULL", 0) < 0)
 447                         return;
 448         } else {
 449                 str = os_malloc(len * 2 + 1);
 450                 if (str == NULL)
 451                         return;
 452                 wpa_snprintf_hex(str, len * 2 + 1, id, len);
 453                 res = wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
 454                                      str, 0);
 455                 os_free(str);
 456                 if (res < 0)
 457                         return;
 458         }
 459 }
 460
 461
 462 static int test_eapol(struct eapol_test_data *e, struct wpa_supplicant *wpa_s,
 463                       struct wpa_ssid *ssid)
 464 {
 465         struct eapol_config eapol_conf;
 466         struct eapol_ctx *ctx;
 467
 468         ctx = os_zalloc(sizeof(*ctx));
 469         if (ctx == NULL) {
 470                 printf("Failed to allocate EAPOL context.\n");
 471                 return -1;
 472         }
 473         ctx->ctx = e;
 474         ctx->msg_ctx = wpa_s;
 475         ctx->scard_ctx = wpa_s->scard;
 476         ctx->cb = eapol_sm_cb;
 477         ctx->cb_ctx = e;
 478         ctx->eapol_send_ctx = wpa_s;
 479         ctx->preauth = 0;
 480         ctx->eapol_done_cb = eapol_test_eapol_done_cb;
 481         ctx->eapol_send = eapol_test_eapol_send;
 482         ctx->set_config_blob = eapol_test_set_config_blob;
 483         ctx->get_config_blob = eapol_test_get_config_blob;
 484         ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
 485         ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
 486         ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
 487         ctx->cert_cb = eapol_test_cert_cb;
 488         ctx->cert_in_cb = 1;
 489         ctx->set_anon_id = eapol_test_set_anon_id;
 490
 491         wpa_s->eapol = eapol_sm_init(ctx);
 492         if (wpa_s->eapol == NULL) {
 493                 os_free(ctx);
 494                 printf("Failed to initialize EAPOL state machines.\n");
 495                 return -1;
 496         }
 497
 498         wpa_s->current_ssid = ssid;
 499         os_memset(&eapol_conf, 0, sizeof(eapol_conf));
 500         eapol_conf.accept_802_1x_keys = 1;
 501         eapol_conf.required_keys = 0;
 502         eapol_conf.fast_reauth = wpa_s->conf->fast_reauth;
 503         eapol_conf.workaround = ssid->eap_workaround;
 504         eapol_sm_notify_config(wpa_s->eapol, &ssid->eap, &eapol_conf);
 505         eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
 506
 507
 508         eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
 509         /* 802.1X::portControl = Auto */
 510         eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
 511
 512         return 0;
 513 }
 514
 515
 516 static void test_eapol_clean(struct eapol_test_data *e,
 517                              struct wpa_supplicant *wpa_s)
 518 {
 519         struct extra_radius_attr *p, *prev;
 520
 521         radius_client_deinit(e->radius);
 522         wpabuf_free(e->last_eap_radius);
 523         radius_msg_free(e->last_recv_radius);
 524         e->last_recv_radius = NULL;
 525         os_free(e->eap_identity);
 526         e->eap_identity = NULL;
 527         eapol_sm_deinit(wpa_s->eapol);
 528         wpa_s->eapol = NULL;
 529         if (e->radius_conf && e->radius_conf->auth_server) {
 530                 os_free(e->radius_conf->auth_server->shared_secret);
 531                 os_free(e->radius_conf->auth_server);
 532         }
 533         os_free(e->radius_conf);
 534         e->radius_conf = NULL;
 535         scard_deinit(wpa_s->scard);
 536         if (wpa_s->ctrl_iface) {
 537                 wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface);
 538                 wpa_s->ctrl_iface = NULL;
 539         }
 540
 541         ext_password_deinit(wpa_s->ext_pw);
 542         wpa_s->ext_pw = NULL;
 543
 544         wpa_config_free(wpa_s->conf);
 545
 546         p = e->extra_attrs;
 547         while (p) {
 548                 prev = p;
 549                 p = p->next;
 550                 os_free(prev);
 551         }
 552 }
 553
 554
 555 static void send_eap_request_identity(void *eloop_ctx, void *timeout_ctx)
 556 {
 557         struct wpa_supplicant *wpa_s = eloop_ctx;
 558         u8 buf[100], *pos;
 559         struct ieee802_1x_hdr *hdr;
 560         struct eap_hdr *eap;
 561
 562         hdr = (struct ieee802_1x_hdr *) buf;
 563         hdr->version = EAPOL_VERSION;
 564         hdr->type = IEEE802_1X_TYPE_EAP_PACKET;
 565         hdr->length = htons(5);
 566
 567         eap = (struct eap_hdr *) (hdr + 1);
 568         eap->code = EAP_CODE_REQUEST;
 569         eap->identifier = 0;
 570         eap->length = htons(5);
 571         pos = (u8 *) (eap + 1);
 572         *pos = EAP_TYPE_IDENTITY;
 573
 574         printf("Sending fake EAP-Request-Identity\n");
 575         eapol_sm_rx_eapol(wpa_s->eapol, wpa_s->bssid, buf,
 576                           sizeof(*hdr) + 5);
 577 }
 578
 579
 580 static void eapol_test_timeout(void *eloop_ctx, void *timeout_ctx)
 581 {
 582         struct eapol_test_data *e = eloop_ctx;
 583         printf("EAPOL test timed out\n");
 584         e->auth_timed_out = 1;
 585         eloop_terminate();
 586 }
 587
 588
 589 static char *eap_type_text(u8 type)
 590 {
 591         switch (type) {
 592         case EAP_TYPE_IDENTITY: return "Identity";
 593         case EAP_TYPE_NOTIFICATION: return "Notification";
 594         case EAP_TYPE_NAK: return "Nak";
 595         case EAP_TYPE_TLS: return "TLS";
 596         case EAP_TYPE_TTLS: return "TTLS";
 597         case EAP_TYPE_PEAP: return "PEAP";
 598         case EAP_TYPE_SIM: return "SIM";
 599         case EAP_TYPE_GTC: return "GTC";
 600         case EAP_TYPE_MD5: return "MD5";
 601         case EAP_TYPE_OTP: return "OTP";
 602         case EAP_TYPE_FAST: return "FAST";
 603         case EAP_TYPE_SAKE: return "SAKE";
 604         case EAP_TYPE_PSK: return "PSK";
 605         default: return "Unknown";
 606         }
 607 }
 608
 609
 610 static void ieee802_1x_decapsulate_radius(struct eapol_test_data *e)
 611 {
 612         struct wpabuf *eap;
 613         const struct eap_hdr *hdr;
 614         int eap_type = -1;
 615         char buf[64];
 616         struct radius_msg *msg;
 617
 618         if (e->last_recv_radius == NULL)
 619                 return;
 620
 621         msg = e->last_recv_radius;
 622
 623         eap = radius_msg_get_eap(msg);
 624         if (eap == NULL) {
 625                 /* draft-aboba-radius-rfc2869bis-20.txt, Chap. 2.6.3:
 626                  * RADIUS server SHOULD NOT send Access-Reject/no EAP-Message
 627                  * attribute */
 628                 wpa_printf(MSG_DEBUG, "could not extract "
 629                                "EAP-Message from RADIUS message");
 630                 wpabuf_free(e->last_eap_radius);
 631                 e->last_eap_radius = NULL;
 632                 return;
 633         }
 634
 635         if (wpabuf_len(eap) < sizeof(*hdr)) {
 636                 wpa_printf(MSG_DEBUG, "too short EAP packet "
 637                                "received from authentication server");
 638                 wpabuf_free(eap);
 639                 return;
 640         }
 641
 642         if (wpabuf_len(eap) > sizeof(*hdr))
 643                 eap_type = (wpabuf_head_u8(eap))[sizeof(*hdr)];
 644
 645         hdr = wpabuf_head(eap);
 646         switch (hdr->code) {
 647         case EAP_CODE_REQUEST:
 648                 os_snprintf(buf, sizeof(buf), "EAP-Request-%s (%d)",
 649                             eap_type >= 0 ? eap_type_text(eap_type) : "??",
 650                             eap_type);
 651                 break;
 652         case EAP_CODE_RESPONSE:
 653                 os_snprintf(buf, sizeof(buf), "EAP Response-%s (%d)",
 654                             eap_type >= 0 ? eap_type_text(eap_type) : "??",
 655                             eap_type);
 656                 break;
 657         case EAP_CODE_SUCCESS:
 658                 os_strlcpy(buf, "EAP Success", sizeof(buf));
 659                 /* LEAP uses EAP Success within an authentication, so must not
 660                  * stop here with eloop_terminate(); */
 661                 break;
 662         case EAP_CODE_FAILURE:
 663                 os_strlcpy(buf, "EAP Failure", sizeof(buf));
 664                 eloop_terminate();
 665                 break;
 666         default:
 667                 os_strlcpy(buf, "unknown EAP code", sizeof(buf));
 668                 wpa_hexdump_buf(MSG_DEBUG, "Decapsulated EAP packet", eap);
 669                 break;
 670         }
 671         wpa_printf(MSG_DEBUG, "decapsulated EAP packet (code=%d "
 672                        "id=%d len=%d) from RADIUS server: %s",
 673                       hdr->code, hdr->identifier, ntohs(hdr->length), buf);
 674
 675         /* sta->eapol_sm->be_auth.idFromServer = hdr->identifier; */
 676
 677         wpabuf_free(e->last_eap_radius);
 678         e->last_eap_radius = eap;
 679
 680         {
 681                 struct ieee802_1x_hdr *dot1x;
 682                 dot1x = os_malloc(sizeof(*dot1x) + wpabuf_len(eap));
 683                 assert(dot1x != NULL);
 684                 dot1x->version = EAPOL_VERSION;
 685                 dot1x->type = IEEE802_1X_TYPE_EAP_PACKET;
 686                 dot1x->length = htons(wpabuf_len(eap));
 687                 os_memcpy((u8 *) (dot1x + 1), wpabuf_head(eap),
 688                           wpabuf_len(eap));
 689                 eapol_sm_rx_eapol(e->wpa_s->eapol, e->wpa_s->bssid,
 690                                   (u8 *) dot1x,
 691                                   sizeof(*dot1x) + wpabuf_len(eap));
 692                 os_free(dot1x);
 693         }
 694 }
 695
 696
 697 static void ieee802_1x_get_keys(struct eapol_test_data *e,
 698                                 struct radius_msg *msg, struct radius_msg *req,
 699                                 const u8 *shared_secret,
 700                                 size_t shared_secret_len)
 701 {
 702         struct radius_ms_mppe_keys *keys;
 703
 704         keys = radius_msg_get_ms_keys(msg, req, shared_secret,
 705                                       shared_secret_len);
 706         if (keys && keys->send == NULL && keys->recv == NULL) {
 707                 os_free(keys);
 708                 keys = radius_msg_get_cisco_keys(msg, req, shared_secret,
 709                                                  shared_secret_len);
 710         }
 711
 712         if (keys) {
 713                 if (keys->send) {
 714                         wpa_hexdump(MSG_DEBUG, "MS-MPPE-Send-Key (sign)",
 715                                     keys->send, keys->send_len);
 716                 }
 717                 if (keys->recv) {
 718                         wpa_hexdump(MSG_DEBUG, "MS-MPPE-Recv-Key (crypt)",
 719                                     keys->recv, keys->recv_len);
 720                         e->authenticator_pmk_len =
 721                                 keys->recv_len > PMK_LEN ? PMK_LEN :
 722                                 keys->recv_len;
 723                         os_memcpy(e->authenticator_pmk, keys->recv,
 724                                   e->authenticator_pmk_len);
 725                         if (e->authenticator_pmk_len == 16 && keys->send &&
 726                             keys->send_len == 16) {
 727                                 /* MS-CHAP-v2 derives 16 octet keys */
 728                                 wpa_printf(MSG_DEBUG, "Use MS-MPPE-Send-Key "
 729                                            "to extend PMK to 32 octets");
 730                                 os_memcpy(e->authenticator_pmk +
 731                                           e->authenticator_pmk_len,
 732                                           keys->send, keys->send_len);
 733                                 e->authenticator_pmk_len += keys->send_len;
 734                         }
 735                 }
 736
 737                 os_free(keys->send);
 738                 os_free(keys->recv);
 739                 os_free(keys);
 740         }
 741 }
 742
 743
 744 /* Process the RADIUS frames from Authentication Server */
 745 static RadiusRxResult
 746 ieee802_1x_receive_auth(struct radius_msg *msg, struct radius_msg *req,
 747                         const u8 *shared_secret, size_t shared_secret_len,
 748                         void *data)
 749 {
 750         struct eapol_test_data *e = data;
 751         struct radius_hdr *hdr = radius_msg_get_hdr(msg);
 752
 753         /* RFC 2869, Ch. 5.13: valid Message-Authenticator attribute MUST be
 754          * present when packet contains an EAP-Message attribute */
 755         if (hdr->code == RADIUS_CODE_ACCESS_REJECT &&
 756             radius_msg_get_attr(msg, RADIUS_ATTR_MESSAGE_AUTHENTICATOR, NULL,
 757                                 0) < 0 &&
 758             radius_msg_get_attr(msg, RADIUS_ATTR_EAP_MESSAGE, NULL, 0) < 0) {
 759                 wpa_printf(MSG_DEBUG, "Allowing RADIUS "
 760                               "Access-Reject without Message-Authenticator "
 761                               "since it does not include EAP-Message\n");
 762         } else if (radius_msg_verify(msg, shared_secret, shared_secret_len,
 763                                      req, 1)) {
 764                 printf("Incoming RADIUS packet did not have correct "
 765                        "Message-Authenticator - dropped\n");
 766                 return RADIUS_RX_UNKNOWN;
 767         }
 768
 769         if (hdr->code != RADIUS_CODE_ACCESS_ACCEPT &&
 770             hdr->code != RADIUS_CODE_ACCESS_REJECT &&
 771             hdr->code != RADIUS_CODE_ACCESS_CHALLENGE) {
 772                 printf("Unknown RADIUS message code\n");
 773                 return RADIUS_RX_UNKNOWN;
 774         }
 775
 776         e->radius_identifier = -1;
 777         wpa_printf(MSG_DEBUG, "RADIUS packet matching with station");
 778
 779         radius_msg_free(e->last_recv_radius);
 780         e->last_recv_radius = msg;
 781
 782         switch (hdr->code) {
 783         case RADIUS_CODE_ACCESS_ACCEPT:
 784                 e->radius_access_accept_received = 1;
 785                 ieee802_1x_get_keys(e, msg, req, shared_secret,
 786                                     shared_secret_len);
 787                 break;
 788         case RADIUS_CODE_ACCESS_REJECT:
 789                 e->radius_access_reject_received = 1;
 790                 break;
 791         }
 792
 793         ieee802_1x_decapsulate_radius(e);
 794
 795         if ((hdr->code == RADIUS_CODE_ACCESS_ACCEPT &&
 796              e->eapol_test_num_reauths < 0) ||
 797             hdr->code == RADIUS_CODE_ACCESS_REJECT) {
 798                 eloop_terminate();
 799         }
 800
 801         return RADIUS_RX_QUEUED;
 802 }
 803
 804
 805 static void wpa_init_conf(struct eapol_test_data *e,
 806                           struct wpa_supplicant *wpa_s, const char *authsrv,
 807                           int port, const char *secret,
 808                           const char *cli_addr)
 809 {
 810         struct hostapd_radius_server *as;
 811         int res;
 812
 813         wpa_s->bssid[5] = 1;
 814         os_memcpy(wpa_s->own_addr, e->own_addr, ETH_ALEN);
 815         e->own_ip_addr.s_addr = htonl((127 << 24) | 1);
 816         os_strlcpy(wpa_s->ifname, "test", sizeof(wpa_s->ifname));
 817
 818         e->radius_conf = os_zalloc(sizeof(struct hostapd_radius_servers));
 819         assert(e->radius_conf != NULL);
 820         e->radius_conf->num_auth_servers = 1;
 821         as = os_zalloc(sizeof(struct hostapd_radius_server));
 822         assert(as != NULL);
 823 #if defined(CONFIG_NATIVE_WINDOWS) || defined(CONFIG_ANSI_C_EXTRA)
 824         {
 825                 int a[4];
 826                 u8 *pos;
 827                 sscanf(authsrv, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3]);
 828                 pos = (u8 *) &as->addr.u.v4;
 829                 *pos++ = a[0];
 830                 *pos++ = a[1];
 831                 *pos++ = a[2];
 832                 *pos++ = a[3];
 833         }
 834 #else /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
 835         inet_aton(authsrv, &as->addr.u.v4);
 836 #endif /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
 837         as->addr.af = AF_INET;
 838         as->port = port;
 839         as->shared_secret = (u8 *) os_strdup(secret);
 840         as->shared_secret_len = os_strlen(secret);
 841         e->radius_conf->auth_server = as;
 842         e->radius_conf->auth_servers = as;
 843         e->radius_conf->msg_dumps = 1;
 844         if (cli_addr) {
 845                 if (hostapd_parse_ip_addr(cli_addr,
 846                                           &e->radius_conf->client_addr) == 0)
 847                         e->radius_conf->force_client_addr = 1;
 848                 else {
 849                         wpa_printf(MSG_ERROR, "Invalid IP address '%s'",
 850                                    cli_addr);
 851                         assert(0);
 852                 }
 853         }
 854
 855         e->radius = radius_client_init(wpa_s, e->radius_conf);
 856         assert(e->radius != NULL);
 857
 858         res = radius_client_register(e->radius, RADIUS_AUTH,
 859                                      ieee802_1x_receive_auth, e);
 860         assert(res == 0);
 861 }
 862
 863
 864 static int scard_test(void)
 865 {
 866         struct scard_data *scard;
 867         size_t len;
 868         char imsi[20];
 869         unsigned char _rand[16];
 870 #ifdef PCSC_FUNCS
 871         unsigned char sres[4];
 872         unsigned char kc[8];
 873 #endif /* PCSC_FUNCS */
 874 #define num_triplets 5
 875         unsigned char rand_[num_triplets][16];
 876         unsigned char sres_[num_triplets][4];
 877         unsigned char kc_[num_triplets][8];
 878         int i, res;
 879         size_t j;
 880
 881 #define AKA_RAND_LEN 16
 882 #define AKA_AUTN_LEN 16
 883 #define AKA_AUTS_LEN 14
 884 #define RES_MAX_LEN 16
 885 #define IK_LEN 16
 886 #define CK_LEN 16
 887         unsigned char aka_rand[AKA_RAND_LEN];
 888         unsigned char aka_autn[AKA_AUTN_LEN];
 889         unsigned char aka_auts[AKA_AUTS_LEN];
 890         unsigned char aka_res[RES_MAX_LEN];
 891         size_t aka_res_len;
 892         unsigned char aka_ik[IK_LEN];
 893         unsigned char aka_ck[CK_LEN];
 894
 895         scard = scard_init(SCARD_TRY_BOTH, NULL);
 896         if (scard == NULL)
 897                 return -1;
 898         if (scard_set_pin(scard, "1234")) {
 899                 wpa_printf(MSG_WARNING, "PIN validation failed");
 900                 scard_deinit(scard);
 901                 return -1;
 902         }
 903
 904         len = sizeof(imsi);
 905         if (scard_get_imsi(scard, imsi, &len))
 906                 goto failed;
 907         wpa_hexdump_ascii(MSG_DEBUG, "SCARD: IMSI", (u8 *) imsi, len);
 908         /* NOTE: Permanent Username: 1 | IMSI */
 909
 910         wpa_printf(MSG_DEBUG, "SCARD: MNC length %d",
 911                    scard_get_mnc_len(scard));
 912
 913         os_memset(_rand, 0, sizeof(_rand));
 914         if (scard_gsm_auth(scard, _rand, sres, kc))
 915                 goto failed;
 916
 917         os_memset(_rand, 0xff, sizeof(_rand));
 918         if (scard_gsm_auth(scard, _rand, sres, kc))
 919                 goto failed;
 920
 921         for (i = 0; i < num_triplets; i++) {
 922                 os_memset(rand_[i], i, sizeof(rand_[i]));
 923                 if (scard_gsm_auth(scard, rand_[i], sres_[i], kc_[i]))
 924                         goto failed;
 925         }
 926
 927         for (i = 0; i < num_triplets; i++) {
 928                 printf("1");
 929                 for (j = 0; j < len; j++)
 930                         printf("%c", imsi[j]);
 931                 printf(",");
 932                 for (j = 0; j < 16; j++)
 933                         printf("%02X", rand_[i][j]);
 934                 printf(",");
 935                 for (j = 0; j < 4; j++)
 936                         printf("%02X", sres_[i][j]);
 937                 printf(",");
 938                 for (j = 0; j < 8; j++)
 939                         printf("%02X", kc_[i][j]);
 940                 printf("\n");
 941         }
 942
 943         wpa_printf(MSG_DEBUG, "Trying to use UMTS authentication");
 944
 945         /* seq 39 (0x28) */
 946         os_memset(aka_rand, 0xaa, 16);
 947         os_memcpy(aka_autn, "\x86\x71\x31\xcb\xa2\xfc\x61\xdf"
 948                   "\xa3\xb3\x97\x9d\x07\x32\xa2\x12", 16);
 949
 950         res = scard_umts_auth(scard, aka_rand, aka_autn, aka_res, &aka_res_len,
 951                               aka_ik, aka_ck, aka_auts);
 952         if (res == 0) {
 953                 wpa_printf(MSG_DEBUG, "UMTS auth completed successfully");
 954                 wpa_hexdump(MSG_DEBUG, "RES", aka_res, aka_res_len);
 955                 wpa_hexdump(MSG_DEBUG, "IK", aka_ik, IK_LEN);
 956                 wpa_hexdump(MSG_DEBUG, "CK", aka_ck, CK_LEN);
 957         } else if (res == -2) {
 958                 wpa_printf(MSG_DEBUG, "UMTS auth resulted in synchronization "
 959                            "failure");
 960                 wpa_hexdump(MSG_DEBUG, "AUTS", aka_auts, AKA_AUTS_LEN);
 961         } else {
 962                 wpa_printf(MSG_DEBUG, "UMTS auth failed");
 963         }
 964
 965 failed:
 966         scard_deinit(scard);
 967
 968         return 0;
 969 #undef num_triplets
 970 }
 971
 972
 973 static int scard_get_triplets(int argc, char *argv[])
 974 {
 975         struct scard_data *scard;
 976         size_t len;
 977         char imsi[20];
 978         unsigned char _rand[16];
 979         unsigned char sres[4];
 980         unsigned char kc[8];
 981         int num_triplets;
 982         int i;
 983         size_t j;
 984
 985         if (argc < 2 || ((num_triplets = atoi(argv[1])) <= 0)) {
 986                 printf("invalid parameters for sim command\n");
 987                 return -1;
 988         }
 989
 990         if (argc <= 2 || os_strcmp(argv[2], "debug") != 0) {
 991                 /* disable debug output */
 992                 wpa_debug_level = 99;
 993         }
 994
 995         scard = scard_init(SCARD_GSM_SIM_ONLY, NULL);
 996         if (scard == NULL) {
 997                 printf("Failed to open smartcard connection\n");
 998                 return -1;
 999         }
1000         if (scard_set_pin(scard, argv[0])) {
1001                 wpa_printf(MSG_WARNING, "PIN validation failed");
1002                 scard_deinit(scard);
1003                 return -1;
1004         }
1005
1006         len = sizeof(imsi);
1007         if (scard_get_imsi(scard, imsi, &len)) {
1008                 scard_deinit(scard);
1009                 return -1;
1010         }
1011
1012         for (i = 0; i < num_triplets; i++) {
1013                 os_memset(_rand, i, sizeof(_rand));
1014                 if (scard_gsm_auth(scard, _rand, sres, kc))
1015                         break;
1016
1017                 /* IMSI:Kc:SRES:RAND */
1018                 for (j = 0; j < len; j++)
1019                         printf("%c", imsi[j]);
1020                 printf(":");
1021                 for (j = 0; j < 8; j++)
1022                         printf("%02X", kc[j]);
1023                 printf(":");
1024                 for (j = 0; j < 4; j++)
1025                         printf("%02X", sres[j]);
1026                 printf(":");
1027                 for (j = 0; j < 16; j++)
1028                         printf("%02X", _rand[j]);
1029                 printf("\n");
1030         }
1031
1032         scard_deinit(scard);
1033
1034         return 0;
1035 }
1036
1037
1038 static void eapol_test_terminate(int sig, void *signal_ctx)
1039 {
1040         struct wpa_supplicant *wpa_s = signal_ctx;
1041         wpa_msg(wpa_s, MSG_INFO, "Signal %d received - terminating", sig);
1042         eloop_terminate();
1043 }
1044
1045
1046 static void usage(void)
1047 {
1048         printf("usage:\n"
1049                "eapol_test [-nWS] -c<conf> [-a<AS IP>] [-p<AS port>] "
1050                "[-s<AS secret>]\\\n"
1051                "           [-r<count>] [-t<timeout>] [-C<Connect-Info>] \\\n"
1052                "           [-M<client MAC address>] [-o<server cert file] \\\n"
1053                "           [-N<attr spec>] \\\n"
1054                "           [-A<client IP>]\n"
1055                "eapol_test scard\n"
1056                "eapol_test sim <PIN> <num triplets> [debug]\n"
1057                "\n");
1058         printf("options:\n"
1059                "  -c<conf> = configuration file\n"
1060                "  -a<AS IP> = IP address of the authentication server, "
1061                "default 127.0.0.1\n"
1062                "  -p<AS port> = UDP port of the authentication server, "
1063                "default 1812\n"
1064                "  -s<AS secret> = shared secret with the authentication "
1065                "server, default 'radius'\n"
1066                "  -A<client IP> = IP address of the client, default: select "
1067                "automatically\n"
1068                "  -r<count> = number of re-authentications\n"
1069                "  -W = wait for a control interface monitor before starting\n"
1070                "  -S = save configuration after authentication\n"
1071                "  -n = no MPPE keys expected\n"
1072                "  -t<timeout> = sets timeout in seconds (default: 30 s)\n"
1073                "  -C<Connect-Info> = RADIUS Connect-Info (default: "
1074                "CONNECT 11Mbps 802.11b)\n"
1075                "  -M<client MAC address> = Set own MAC address "
1076                "(Calling-Station-Id,\n"
1077                "                           default: 02:00:00:00:00:01)\n"
1078                "  -o<server cert file> = Write received server certificate\n"
1079                "                         chain to the specified file\n"
1080                "  -N<attr spec> = send arbitrary attribute specified by:\n"
1081                "                  attr_id:syntax:value or attr_id\n"
1082                "                  attr_id - number id of the attribute\n"
1083                "                  syntax - one of: s, d, x\n"
1084                "                     s = string\n"
1085                "                     d = integer\n"
1086                "                     x = octet string\n"
1087                "                  value - attribute value.\n"
1088                "       When only attr_id is specified, NULL will be used as "
1089                "value.\n"
1090                "       Multiple attributes can be specified by using the "
1091                "option several times.\n");
1092 }
1093
1094
1095 int main(int argc, char *argv[])
1096 {
1097         struct wpa_supplicant wpa_s;
1098         int c, ret = 1, wait_for_monitor = 0, save_config = 0;
1099         char *as_addr = "127.0.0.1";
1100         int as_port = 1812;
1101         char *as_secret = "radius";
1102         char *cli_addr = NULL;
1103         char *conf = NULL;
1104         int timeout = 30;
1105         char *pos;
1106         struct extra_radius_attr *p = NULL, *p1;
1107
1108         if (os_program_init())
1109                 return -1;
1110
1111         hostapd_logger_register_cb(hostapd_logger_cb);
1112
1113         os_memset(&eapol_test, 0, sizeof(eapol_test));
1114         eapol_test.connect_info = "CONNECT 11Mbps 802.11b";
1115         os_memcpy(eapol_test.own_addr, "\x02\x00\x00\x00\x00\x01", ETH_ALEN);
1116
1117         wpa_debug_level = 0;
1118         wpa_debug_show_keys = 1;
1119
1120         for (;;) {
1121                 c = getopt(argc, argv, "a:A:c:C:M:nN:o:p:r:s:St:W");
1122                 if (c < 0)
1123                         break;
1124                 switch (c) {
1125                 case 'a':
1126                         as_addr = optarg;
1127                         break;
1128                 case 'A':
1129                         cli_addr = optarg;
1130                         break;
1131                 case 'c':
1132                         conf = optarg;
1133                         break;
1134                 case 'C':
1135                         eapol_test.connect_info = optarg;
1136                         break;
1137                 case 'M':
1138                         if (hwaddr_aton(optarg, eapol_test.own_addr)) {
1139                                 usage();
1140                                 return -1;
1141                         }
1142                         break;
1143                 case 'n':
1144                         eapol_test.no_mppe_keys++;
1145                         break;
1146                 case 'o':
1147                         if (eapol_test.server_cert_file)
1148                                 fclose(eapol_test.server_cert_file);
1149                         eapol_test.server_cert_file = fopen(optarg, "w");
1150                         if (eapol_test.server_cert_file == NULL) {
1151                                 printf("Could not open '%s' for writing\n",
1152                                        optarg);
1153                                 return -1;
1154                         }
1155                         break;
1156                 case 'p':
1157                         as_port = atoi(optarg);
1158                         break;
1159                 case 'r':
1160                         eapol_test.eapol_test_num_reauths = atoi(optarg);
1161                         break;
1162                 case 's':
1163                         as_secret = optarg;
1164                         break;
1165                 case 'S':
1166                         save_config++;
1167                         break;
1168                 case 't':
1169                         timeout = atoi(optarg);
1170                         break;
1171                 case 'W':
1172                         wait_for_monitor++;
1173                         break;
1174                 case 'N':
1175                         p1 = os_zalloc(sizeof(*p1));
1176                         if (p1 == NULL)
1177                                 break;
1178                         if (!p)
1179                                 eapol_test.extra_attrs = p1;
1180                         else
1181                                 p->next = p1;
1182                         p = p1;
1183
1184                         p->type = atoi(optarg);
1185                         pos = os_strchr(optarg, ':');
1186                         if (pos == NULL) {
1187                                 p->syntax = 'n';
1188                                 p->data = NULL;
1189                                 break;
1190                         }
1191
1192                         pos++;
1193                         if (pos[0] == '\0' || pos[1] != ':') {
1194                                 printf("Incorrect format of attribute "
1195                                        "specification\n");
1196                                 break;
1197                         }
1198
1199                         p->syntax = pos[0];
1200                         p->data = pos + 2;
1201                         break;
1202                 default:
1203                         usage();
1204                         return -1;
1205                 }
1206         }
1207
1208         if (argc > optind && os_strcmp(argv[optind], "scard") == 0) {
1209                 return scard_test();
1210         }
1211
1212         if (argc > optind && os_strcmp(argv[optind], "sim") == 0) {
1213                 return scard_get_triplets(argc - optind - 1,
1214                                           &argv[optind + 1]);
1215         }
1216
1217         if (conf == NULL) {
1218                 usage();
1219                 printf("Configuration file is required.\n");
1220                 return -1;
1221         }
1222
1223         if (eap_register_methods()) {
1224                 wpa_printf(MSG_ERROR, "Failed to register EAP methods");
1225                 return -1;
1226         }
1227
1228         if (eloop_init()) {
1229                 wpa_printf(MSG_ERROR, "Failed to initialize event loop");
1230                 return -1;
1231         }
1232
1233         os_memset(&wpa_s, 0, sizeof(wpa_s));
1234         eapol_test.wpa_s = &wpa_s;
1235         wpa_s.conf = wpa_config_read(conf, NULL);
1236         if (wpa_s.conf == NULL) {
1237                 printf("Failed to parse configuration file '%s'.\n", conf);
1238                 return -1;
1239         }
1240         if (wpa_s.conf->ssid == NULL) {
1241                 printf("No networks defined.\n");
1242                 return -1;
1243         }
1244
1245         wpa_init_conf(&eapol_test, &wpa_s, as_addr, as_port, as_secret,
1246                       cli_addr);
1247         wpa_s.ctrl_iface = wpa_supplicant_ctrl_iface_init(&wpa_s);
1248         if (wpa_s.ctrl_iface == NULL) {
1249                 printf("Failed to initialize control interface '%s'.\n"
1250                        "You may have another eapol_test process already "
1251                        "running or the file was\n"
1252                        "left by an unclean termination of eapol_test in "
1253                        "which case you will need\n"
1254                        "to manually remove this file before starting "
1255                        "eapol_test again.\n",
1256                        wpa_s.conf->ctrl_interface);
1257                 return -1;
1258         }
1259         if (wpa_supplicant_scard_init(&wpa_s, wpa_s.conf->ssid))
1260                 return -1;
1261
1262         if (test_eapol(&eapol_test, &wpa_s, wpa_s.conf->ssid))
1263                 return -1;
1264
1265         if (wpas_init_ext_pw(&wpa_s) < 0)
1266                 return -1;
1267
1268         if (wait_for_monitor)
1269                 wpa_supplicant_ctrl_iface_wait(wpa_s.ctrl_iface);
1270
1271         eloop_register_timeout(timeout, 0, eapol_test_timeout, &eapol_test,
1272                                NULL);
1273         eloop_register_timeout(0, 0, send_eap_request_identity, &wpa_s, NULL);
1274         eloop_register_signal_terminate(eapol_test_terminate, &wpa_s);
1275         eloop_register_signal_reconfig(eapol_test_terminate, &wpa_s);
1276         eloop_run();
1277
1278         eloop_cancel_timeout(eapol_test_timeout, &eapol_test, NULL);
1279         eloop_cancel_timeout(eapol_sm_reauth, &eapol_test, NULL);
1280
1281         if (eapol_test_compare_pmk(&eapol_test) == 0 ||
1282             eapol_test.no_mppe_keys)
1283                 ret = 0;
1284         if (eapol_test.auth_timed_out)
1285                 ret = -2;
1286         if (eapol_test.radius_access_reject_received)
1287                 ret = -3;
1288
1289         if (save_config)
1290                 wpa_config_write(conf, wpa_s.conf);
1291
1292         test_eapol_clean(&eapol_test, &wpa_s);
1293
1294         eap_peer_unregister_methods();
1295 #ifdef CONFIG_AP
1296         eap_server_unregister_methods();
1297 #endif /* CONFIG_AP */
1298
1299         eloop_destroy();
1300
1301         if (eapol_test.server_cert_file)
1302                 fclose(eapol_test.server_cert_file);
1303
1304         printf("MPPE keys OK: %d  mismatch: %d\n",
1305                eapol_test.num_mppe_ok, eapol_test.num_mppe_mismatch);
1306         if (eapol_test.num_mppe_mismatch)
1307                 ret = -4;
1308         if (ret)
1309                 printf("FAILURE\n");
1310         else
1311                 printf("SUCCESS\n");
1312
1313         os_program_deinit();
1314
1315         return ret;
1316 }