libeap/wpa_supplicant/eapol_test.c

   1 /*
   2  * WPA Supplicant - test code
   3  * Copyright (c) 2003-2013, 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 #include "wpas_glue.h"
  31
  32
  33 const struct wpa_driver_ops *const wpa_drivers[] = { NULL };
  34
  35
  36 struct extra_radius_attr {
  37         u8 type;
  38         char syntax;
  39         char *data;
  40         struct extra_radius_attr *next;
  41 };
  42
  43 struct eapol_test_data {
  44         struct wpa_supplicant *wpa_s;
  45
  46         int eapol_test_num_reauths;
  47         int no_mppe_keys;
  48         int num_mppe_ok, num_mppe_mismatch;
  49         int req_eap_key_name;
  50
  51         u8 radius_identifier;
  52         struct radius_msg *last_recv_radius;
  53         struct in_addr own_ip_addr;
  54         struct radius_client_data *radius;
  55         struct hostapd_radius_servers *radius_conf;
  56
  57          /* last received EAP Response from Authentication Server */
  58         struct wpabuf *last_eap_radius;
  59
  60         u8 authenticator_pmk[PMK_LEN];
  61         size_t authenticator_pmk_len;
  62         u8 authenticator_eap_key_name[256];
  63         size_t authenticator_eap_key_name_len;
  64         int radius_access_accept_received;
  65         int radius_access_reject_received;
  66         int auth_timed_out;
  67
  68         u8 *eap_identity;
  69         size_t eap_identity_len;
  70
  71         char *connect_info;
  72         u8 own_addr[ETH_ALEN];
  73         struct extra_radius_attr *extra_attrs;
  74
  75         FILE *server_cert_file;
  76
  77         const char *pcsc_reader;
  78         const char *pcsc_pin;
  79
  80         unsigned int ctrl_iface:1;
  81         unsigned int id_req_sent:1;
  82 };
  83
  84 static struct eapol_test_data eapol_test;
  85
  86
  87 static void send_eap_request_identity(void *eloop_ctx, void *timeout_ctx);
  88
  89
  90 static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module,
  91                               int level, const char *txt, size_t len)
  92 {
  93         if (addr)
  94                 wpa_printf(MSG_DEBUG, "STA " MACSTR ": %s\n",
  95                            MAC2STR(addr), txt);
  96         else
  97                 wpa_printf(MSG_DEBUG, "%s", txt);
  98 }
  99
 100
 101 static int add_extra_attr(struct radius_msg *msg,
 102                           struct extra_radius_attr *attr)
 103 {
 104         size_t len;
 105         char *pos;
 106         u32 val;
 107         char buf[RADIUS_MAX_ATTR_LEN + 1];
 108
 109         switch (attr->syntax) {
 110         case 's':
 111                 os_snprintf(buf, sizeof(buf), "%s", attr->data);
 112                 len = os_strlen(buf);
 113                 break;
 114         case 'n':
 115                 buf[0] = '\0';
 116                 len = 1;
 117                 break;
 118         case 'x':
 119                 pos = attr->data;
 120                 if (pos[0] == '0' && pos[1] == 'x')
 121                         pos += 2;
 122                 len = os_strlen(pos);
 123                 if ((len & 1) || (len / 2) > RADIUS_MAX_ATTR_LEN) {
 124                         printf("Invalid extra attribute hexstring\n");
 125                         return -1;
 126                 }
 127                 len /= 2;
 128                 if (hexstr2bin(pos, (u8 *) buf, len) < 0) {
 129                         printf("Invalid extra attribute hexstring\n");
 130                         return -1;
 131                 }
 132                 break;
 133         case 'd':
 134                 val = htonl(atoi(attr->data));
 135                 os_memcpy(buf, &val, 4);
 136                 len = 4;
 137                 break;
 138         default:
 139                 printf("Incorrect extra attribute syntax specification\n");
 140                 return -1;
 141         }
 142
 143         if (!radius_msg_add_attr(msg, attr->type, (u8 *) buf, len)) {
 144                 printf("Could not add attribute %d\n", attr->type);
 145                 return -1;
 146         }
 147
 148         return 0;
 149 }
 150
 151
 152 static int add_extra_attrs(struct radius_msg *msg,
 153                            struct extra_radius_attr *attrs)
 154 {
 155         struct extra_radius_attr *p;
 156         for (p = attrs; p; p = p->next) {
 157                 if (add_extra_attr(msg, p) < 0)
 158                         return -1;
 159         }
 160         return 0;
 161 }
 162
 163
 164 static struct extra_radius_attr *
 165 find_extra_attr(struct extra_radius_attr *attrs, u8 type)
 166 {
 167         struct extra_radius_attr *p;
 168         for (p = attrs; p; p = p->next) {
 169                 if (p->type == type)
 170                         return p;
 171         }
 172         return NULL;
 173 }
 174
 175
 176 static void ieee802_1x_encapsulate_radius(struct eapol_test_data *e,
 177                                           const u8 *eap, size_t len)
 178 {
 179         struct radius_msg *msg;
 180         char buf[RADIUS_MAX_ATTR_LEN + 1];
 181         const struct eap_hdr *hdr;
 182         const u8 *pos;
 183
 184         wpa_printf(MSG_DEBUG, "Encapsulating EAP message into a RADIUS "
 185                    "packet");
 186
 187         e->radius_identifier = radius_client_get_id(e->radius);
 188         msg = radius_msg_new(RADIUS_CODE_ACCESS_REQUEST,
 189                              e->radius_identifier);
 190         if (msg == NULL) {
 191                 printf("Could not create net RADIUS packet\n");
 192                 return;
 193         }
 194
 195         radius_msg_make_authenticator(msg, (u8 *) e, sizeof(*e));
 196
 197         hdr = (const struct eap_hdr *) eap;
 198         pos = (const u8 *) (hdr + 1);
 199         if (len > sizeof(*hdr) && hdr->code == EAP_CODE_RESPONSE &&
 200             pos[0] == EAP_TYPE_IDENTITY) {
 201                 pos++;
 202                 os_free(e->eap_identity);
 203                 e->eap_identity_len = len - sizeof(*hdr) - 1;
 204                 e->eap_identity = os_malloc(e->eap_identity_len);
 205                 if (e->eap_identity) {
 206                         os_memcpy(e->eap_identity, pos, e->eap_identity_len);
 207                         wpa_hexdump(MSG_DEBUG, "Learned identity from "
 208                                     "EAP-Response-Identity",
 209                                     e->eap_identity, e->eap_identity_len);
 210                 }
 211         }
 212
 213         if (e->eap_identity &&
 214             !radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME,
 215                                  e->eap_identity, e->eap_identity_len)) {
 216                 printf("Could not add User-Name\n");
 217                 goto fail;
 218         }
 219
 220         if (e->req_eap_key_name &&
 221             !radius_msg_add_attr(msg, RADIUS_ATTR_EAP_KEY_NAME, (u8 *) "\0",
 222                                  1)) {
 223                 printf("Could not add EAP-Key-Name\n");
 224                 goto fail;
 225         }
 226
 227         if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_NAS_IP_ADDRESS) &&
 228             !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
 229                                  (u8 *) &e->own_ip_addr, 4)) {
 230                 printf("Could not add NAS-IP-Address\n");
 231                 goto fail;
 232         }
 233
 234         os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT,
 235                     MAC2STR(e->wpa_s->own_addr));
 236         if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_CALLING_STATION_ID)
 237             &&
 238             !radius_msg_add_attr(msg, RADIUS_ATTR_CALLING_STATION_ID,
 239                                  (u8 *) buf, os_strlen(buf))) {
 240                 printf("Could not add Calling-Station-Id\n");
 241                 goto fail;
 242         }
 243
 244         /* TODO: should probably check MTU from driver config; 2304 is max for
 245          * IEEE 802.11, but use 1400 to avoid problems with too large packets
 246          */
 247         if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_FRAMED_MTU) &&
 248             !radius_msg_add_attr_int32(msg, RADIUS_ATTR_FRAMED_MTU, 1400)) {
 249                 printf("Could not add Framed-MTU\n");
 250                 goto fail;
 251         }
 252
 253         if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_NAS_PORT_TYPE) &&
 254             !radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT_TYPE,
 255                                        RADIUS_NAS_PORT_TYPE_IEEE_802_11)) {
 256                 printf("Could not add NAS-Port-Type\n");
 257                 goto fail;
 258         }
 259
 260         os_snprintf(buf, sizeof(buf), "%s", e->connect_info);
 261         if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_CONNECT_INFO) &&
 262             !radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
 263                                  (u8 *) buf, os_strlen(buf))) {
 264                 printf("Could not add Connect-Info\n");
 265                 goto fail;
 266         }
 267
 268         if (add_extra_attrs(msg, e->extra_attrs) < 0)
 269                 goto fail;
 270
 271         if (eap && !radius_msg_add_eap(msg, eap, len)) {
 272                 printf("Could not add EAP-Message\n");
 273                 goto fail;
 274         }
 275
 276         /* State attribute must be copied if and only if this packet is
 277          * Access-Request reply to the previous Access-Challenge */
 278         if (e->last_recv_radius &&
 279             radius_msg_get_hdr(e->last_recv_radius)->code ==
 280             RADIUS_CODE_ACCESS_CHALLENGE) {
 281                 int res = radius_msg_copy_attr(msg, e->last_recv_radius,
 282                                                RADIUS_ATTR_STATE);
 283                 if (res < 0) {
 284                         printf("Could not copy State attribute from previous "
 285                                "Access-Challenge\n");
 286                         goto fail;
 287                 }
 288                 if (res > 0) {
 289                         wpa_printf(MSG_DEBUG, "  Copied RADIUS State "
 290                                    "Attribute");
 291                 }
 292         }
 293
 294         if (radius_client_send(e->radius, msg, RADIUS_AUTH, e->wpa_s->own_addr)
 295             < 0)
 296                 goto fail;
 297         return;
 298
 299  fail:
 300         radius_msg_free(msg);
 301 }
 302
 303
 304 static int eapol_test_eapol_send(void *ctx, int type, const u8 *buf,
 305                                  size_t len)
 306 {
 307         printf("WPA: eapol_test_eapol_send(type=%d len=%lu)\n",
 308                type, (unsigned long) len);
 309         if (type == IEEE802_1X_TYPE_EAP_PACKET) {
 310                 wpa_hexdump(MSG_DEBUG, "TX EAP -> RADIUS", buf, len);
 311                 ieee802_1x_encapsulate_radius(&eapol_test, buf, len);
 312         }
 313         return 0;
 314 }
 315
 316
 317 static void eapol_test_set_config_blob(void *ctx,
 318                                        struct wpa_config_blob *blob)
 319 {
 320         struct eapol_test_data *e = ctx;
 321         wpa_config_set_blob(e->wpa_s->conf, blob);
 322 }
 323
 324
 325 static const struct wpa_config_blob *
 326 eapol_test_get_config_blob(void *ctx, const char *name)
 327 {
 328         struct eapol_test_data *e = ctx;
 329         return wpa_config_get_blob(e->wpa_s->conf, name);
 330 }
 331
 332
 333 static void eapol_test_eapol_done_cb(void *ctx)
 334 {
 335         struct eapol_test_data *e = ctx;
 336
 337         printf("WPA: EAPOL processing complete\n");
 338         wpa_supplicant_cancel_auth_timeout(e->wpa_s);
 339         wpa_supplicant_set_state(e->wpa_s, WPA_COMPLETED);
 340 }
 341
 342
 343 static void eapol_sm_reauth(void *eloop_ctx, void *timeout_ctx)
 344 {
 345         struct eapol_test_data *e = eloop_ctx;
 346         printf("\n\n\n\n\neapol_test: Triggering EAP reauthentication\n\n");
 347         e->radius_access_accept_received = 0;
 348         send_eap_request_identity(e->wpa_s, NULL);
 349 }
 350
 351
 352 static int eapol_test_compare_pmk(struct eapol_test_data *e)
 353 {
 354         u8 pmk[PMK_LEN];
 355         int ret = 1;
 356         const u8 *sess_id;
 357         size_t sess_id_len;
 358
 359         if (eapol_sm_get_key(e->wpa_s->eapol, pmk, PMK_LEN) == 0) {
 360                 wpa_hexdump(MSG_DEBUG, "PMK from EAPOL", pmk, PMK_LEN);
 361                 if (os_memcmp(pmk, e->authenticator_pmk, PMK_LEN) != 0) {
 362                         printf("WARNING: PMK mismatch\n");
 363                         wpa_hexdump(MSG_DEBUG, "PMK from AS",
 364                                     e->authenticator_pmk, PMK_LEN);
 365                 } else if (e->radius_access_accept_received)
 366                         ret = 0;
 367         } else if (e->authenticator_pmk_len == 16 &&
 368                    eapol_sm_get_key(e->wpa_s->eapol, pmk, 16) == 0) {
 369                 wpa_hexdump(MSG_DEBUG, "LEAP PMK from EAPOL", pmk, 16);
 370                 if (os_memcmp(pmk, e->authenticator_pmk, 16) != 0) {
 371                         printf("WARNING: PMK mismatch\n");
 372                         wpa_hexdump(MSG_DEBUG, "PMK from AS",
 373                                     e->authenticator_pmk, 16);
 374                 } else if (e->radius_access_accept_received)
 375                         ret = 0;
 376         } else if (e->radius_access_accept_received && e->no_mppe_keys) {
 377                 /* No keying material expected */
 378                 ret = 0;
 379         }
 380
 381         if (ret && !e->no_mppe_keys)
 382                 e->num_mppe_mismatch++;
 383         else if (!e->no_mppe_keys)
 384                 e->num_mppe_ok++;
 385
 386         sess_id = eapol_sm_get_session_id(e->wpa_s->eapol, &sess_id_len);
 387         if (!sess_id)
 388                 return ret;
 389         if (e->authenticator_eap_key_name_len == 0) {
 390                 wpa_printf(MSG_INFO, "No EAP-Key-Name received from server");
 391                 return ret;
 392         }
 393
 394         if (e->authenticator_eap_key_name_len != sess_id_len ||
 395             os_memcmp(e->authenticator_eap_key_name, sess_id, sess_id_len) != 0)
 396         {
 397                 wpa_printf(MSG_INFO,
 398                            "Locally derived EAP Session-Id does not match EAP-Key-Name from server");
 399                 wpa_hexdump(MSG_DEBUG, "EAP Session-Id", sess_id, sess_id_len);
 400                 wpa_hexdump(MSG_DEBUG, "EAP-Key-Name from server",
 401                             e->authenticator_eap_key_name,
 402                             e->authenticator_eap_key_name_len);
 403         } else {
 404                 wpa_printf(MSG_INFO,
 405                            "Locally derived EAP Session-Id matches EAP-Key-Name from server");
 406         }
 407
 408         return ret;
 409 }
 410
 411
 412 static void eapol_sm_cb(struct eapol_sm *eapol, enum eapol_supp_result result,
 413                         void *ctx)
 414 {
 415         struct eapol_test_data *e = ctx;
 416         printf("eapol_sm_cb: result=%d\n", result);
 417         e->id_req_sent = 0;
 418         if (e->ctrl_iface)
 419                 return;
 420         e->eapol_test_num_reauths--;
 421         if (e->eapol_test_num_reauths < 0)
 422                 eloop_terminate();
 423         else {
 424                 eapol_test_compare_pmk(e);
 425                 eloop_register_timeout(0, 100000, eapol_sm_reauth, e, NULL);
 426         }
 427 }
 428
 429
 430 static void eapol_test_write_cert(FILE *f, const char *subject,
 431                                   const struct wpabuf *cert)
 432 {
 433         unsigned char *encoded;
 434
 435         encoded = base64_encode(wpabuf_head(cert), wpabuf_len(cert), NULL);
 436         if (encoded == NULL)
 437                 return;
 438         fprintf(f, "%s\n-----BEGIN CERTIFICATE-----\n%s"
 439                 "-----END CERTIFICATE-----\n\n", subject, encoded);
 440         os_free(encoded);
 441 }
 442
 443
 444 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
 445 static void eapol_test_eap_param_needed(void *ctx, enum wpa_ctrl_req_type field,
 446                                         const char *default_txt)
 447 {
 448         struct eapol_test_data *e = ctx;
 449         struct wpa_supplicant *wpa_s = e->wpa_s;
 450         struct wpa_ssid *ssid = wpa_s->current_ssid;
 451         const char *field_name, *txt = NULL;
 452         char *buf;
 453         size_t buflen;
 454         int len;
 455
 456         if (ssid == NULL)
 457                 return;
 458
 459         field_name = wpa_supplicant_ctrl_req_to_string(field, default_txt,
 460                                                        &txt);
 461         if (field_name == NULL) {
 462                 wpa_printf(MSG_WARNING, "Unhandled EAP param %d needed",
 463                            field);
 464                 return;
 465         }
 466
 467         buflen = 100 + os_strlen(txt) + ssid->ssid_len;
 468         buf = os_malloc(buflen);
 469         if (buf == NULL)
 470                 return;
 471         len = os_snprintf(buf, buflen,
 472                           WPA_CTRL_REQ "%s-%d:%s needed for SSID ",
 473                           field_name, ssid->id, txt);
 474         if (os_snprintf_error(buflen, len)) {
 475                 os_free(buf);
 476                 return;
 477         }
 478         if (ssid->ssid && buflen > len + ssid->ssid_len) {
 479                 os_memcpy(buf + len, ssid->ssid, ssid->ssid_len);
 480                 len += ssid->ssid_len;
 481                 buf[len] = '\0';
 482         }
 483         buf[buflen - 1] = '\0';
 484         wpa_msg(wpa_s, MSG_INFO, "%s", buf);
 485         os_free(buf);
 486 }
 487 #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
 488 #define eapol_test_eap_param_needed NULL
 489 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
 490
 491
 492 static void eapol_test_cert_cb(void *ctx, int depth, const char *subject,
 493                                const char *altsubject[], int num_altsubject,
 494                                const char *cert_hash,
 495                                const struct wpabuf *cert)
 496 {
 497         struct eapol_test_data *e = ctx;
 498
 499         wpa_msg(e->wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_CERT
 500                 "depth=%d subject='%s'%s%s",
 501                 depth, subject,
 502                 cert_hash ? " hash=" : "",
 503                 cert_hash ? cert_hash : "");
 504
 505         if (cert) {
 506                 char *cert_hex;
 507                 size_t len = wpabuf_len(cert) * 2 + 1;
 508                 cert_hex = os_malloc(len);
 509                 if (cert_hex) {
 510                         wpa_snprintf_hex(cert_hex, len, wpabuf_head(cert),
 511                                          wpabuf_len(cert));
 512                         wpa_msg_ctrl(e->wpa_s, MSG_INFO,
 513                                      WPA_EVENT_EAP_PEER_CERT
 514                                      "depth=%d subject='%s' cert=%s",
 515                                      depth, subject, cert_hex);
 516                         os_free(cert_hex);
 517                 }
 518
 519                 if (e->server_cert_file)
 520                         eapol_test_write_cert(e->server_cert_file,
 521                                               subject, cert);
 522         }
 523
 524         if (altsubject) {
 525                 int i;
 526
 527                 for (i = 0; i < num_altsubject; i++)
 528                         wpa_msg(e->wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_ALT
 529                                 "depth=%d %s", depth, altsubject[i]);
 530         }
 531 }
 532
 533
 534 static void eapol_test_set_anon_id(void *ctx, const u8 *id, size_t len)
 535 {
 536         struct eapol_test_data *e = ctx;
 537         struct wpa_supplicant *wpa_s = e->wpa_s;
 538         char *str;
 539         int res;
 540
 541         wpa_hexdump_ascii(MSG_DEBUG, "EAP method updated anonymous_identity",
 542                           id, len);
 543
 544         if (wpa_s->current_ssid == NULL)
 545                 return;
 546
 547         if (id == NULL) {
 548                 if (wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
 549                                    "NULL", 0) < 0)
 550                         return;
 551         } else {
 552                 str = os_malloc(len * 2 + 1);
 553                 if (str == NULL)
 554                         return;
 555                 wpa_snprintf_hex(str, len * 2 + 1, id, len);
 556                 res = wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
 557                                      str, 0);
 558                 os_free(str);
 559                 if (res < 0)
 560                         return;
 561         }
 562 }
 563
 564
 565 static enum wpa_states eapol_test_get_state(void *ctx)
 566 {
 567         struct eapol_test_data *e = ctx;
 568         struct wpa_supplicant *wpa_s = e->wpa_s;
 569
 570         return wpa_s->wpa_state;
 571 }
 572
 573
 574 static int test_eapol(struct eapol_test_data *e, struct wpa_supplicant *wpa_s,
 575                       struct wpa_ssid *ssid)
 576 {
 577         struct eapol_config eapol_conf;
 578         struct eapol_ctx *ctx;
 579         struct wpa_sm_ctx *wctx;
 580
 581         ctx = os_zalloc(sizeof(*ctx));
 582         if (ctx == NULL) {
 583                 printf("Failed to allocate EAPOL context.\n");
 584                 return -1;
 585         }
 586         ctx->ctx = e;
 587         ctx->msg_ctx = wpa_s;
 588         ctx->scard_ctx = wpa_s->scard;
 589         ctx->cb = eapol_sm_cb;
 590         ctx->cb_ctx = e;
 591         ctx->eapol_send_ctx = wpa_s;
 592         ctx->preauth = 0;
 593         ctx->eapol_done_cb = eapol_test_eapol_done_cb;
 594         ctx->eapol_send = eapol_test_eapol_send;
 595         ctx->set_config_blob = eapol_test_set_config_blob;
 596         ctx->get_config_blob = eapol_test_get_config_blob;
 597         ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
 598         ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
 599         ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
 600         ctx->openssl_ciphers = wpa_s->conf->openssl_ciphers;
 601         ctx->eap_param_needed = eapol_test_eap_param_needed;
 602         ctx->cert_cb = eapol_test_cert_cb;
 603         ctx->cert_in_cb = 1;
 604         ctx->set_anon_id = eapol_test_set_anon_id;
 605
 606         wpa_s->eapol = eapol_sm_init(ctx);
 607         if (wpa_s->eapol == NULL) {
 608                 os_free(ctx);
 609                 printf("Failed to initialize EAPOL state machines.\n");
 610                 return -1;
 611         }
 612
 613         wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_NO_WPA;
 614         wctx = os_zalloc(sizeof(*wctx));
 615         if (wctx == NULL) {
 616                 os_free(ctx);
 617                 return -1;
 618         }
 619         wctx->ctx = e;
 620         wctx->msg_ctx = wpa_s;
 621         wctx->get_state = eapol_test_get_state;
 622         wpa_s->wpa = wpa_sm_init(wctx);
 623         if (!wpa_s->wpa) {
 624                 os_free(ctx);
 625                 os_free(wctx);
 626                 return -1;
 627         }
 628
 629         if (!ssid)
 630                 return 0;
 631
 632         wpa_s->current_ssid = ssid;
 633         os_memset(&eapol_conf, 0, sizeof(eapol_conf));
 634         eapol_conf.accept_802_1x_keys = 1;
 635         eapol_conf.required_keys = 0;
 636         eapol_conf.fast_reauth = wpa_s->conf->fast_reauth;
 637         eapol_conf.workaround = ssid->eap_workaround;
 638         eapol_conf.external_sim = wpa_s->conf->external_sim;
 639         eapol_sm_notify_config(wpa_s->eapol, &ssid->eap, &eapol_conf);
 640         eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
 641
 642
 643         eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
 644         /* 802.1X::portControl = Auto */
 645         eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
 646
 647         return 0;
 648 }
 649
 650
 651 static void test_eapol_clean(struct eapol_test_data *e,
 652                              struct wpa_supplicant *wpa_s)
 653 {
 654         struct extra_radius_attr *p, *prev;
 655
 656         wpa_sm_deinit(wpa_s->wpa);
 657         wpa_s->wpa = NULL;
 658         radius_client_deinit(e->radius);
 659         wpabuf_free(e->last_eap_radius);
 660         radius_msg_free(e->last_recv_radius);
 661         e->last_recv_radius = NULL;
 662         os_free(e->eap_identity);
 663         e->eap_identity = NULL;
 664         eapol_sm_deinit(wpa_s->eapol);
 665         wpa_s->eapol = NULL;
 666         if (e->radius_conf && e->radius_conf->auth_server) {
 667                 os_free(e->radius_conf->auth_server->shared_secret);
 668                 os_free(e->radius_conf->auth_server);
 669         }
 670         os_free(e->radius_conf);
 671         e->radius_conf = NULL;
 672         scard_deinit(wpa_s->scard);
 673         if (wpa_s->ctrl_iface) {
 674                 wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface);
 675                 wpa_s->ctrl_iface = NULL;
 676         }
 677
 678         ext_password_deinit(wpa_s->ext_pw);
 679         wpa_s->ext_pw = NULL;
 680
 681         wpa_config_free(wpa_s->conf);
 682
 683         p = e->extra_attrs;
 684         while (p) {
 685                 prev = p;
 686                 p = p->next;
 687                 os_free(prev);
 688         }
 689 }
 690
 691
 692 static void send_eap_request_identity(void *eloop_ctx, void *timeout_ctx)
 693 {
 694         struct wpa_supplicant *wpa_s = eloop_ctx;
 695         u8 buf[100], *pos;
 696         struct ieee802_1x_hdr *hdr;
 697         struct eap_hdr *eap;
 698
 699         hdr = (struct ieee802_1x_hdr *) buf;
 700         hdr->version = EAPOL_VERSION;
 701         hdr->type = IEEE802_1X_TYPE_EAP_PACKET;
 702         hdr->length = htons(5);
 703
 704         eap = (struct eap_hdr *) (hdr + 1);
 705         eap->code = EAP_CODE_REQUEST;
 706         eap->identifier = 0;
 707         eap->length = htons(5);
 708         pos = (u8 *) (eap + 1);
 709         *pos = EAP_TYPE_IDENTITY;
 710
 711         printf("Sending fake EAP-Request-Identity\n");
 712         eapol_sm_rx_eapol(wpa_s->eapol, wpa_s->bssid, buf,
 713                           sizeof(*hdr) + 5);
 714 }
 715
 716
 717 static void eapol_test_timeout(void *eloop_ctx, void *timeout_ctx)
 718 {
 719         struct eapol_test_data *e = eloop_ctx;
 720         printf("EAPOL test timed out\n");
 721         e->auth_timed_out = 1;
 722         eloop_terminate();
 723 }
 724
 725
 726 static char *eap_type_text(u8 type)
 727 {
 728         switch (type) {
 729         case EAP_TYPE_IDENTITY: return "Identity";
 730         case EAP_TYPE_NOTIFICATION: return "Notification";
 731         case EAP_TYPE_NAK: return "Nak";
 732         case EAP_TYPE_TLS: return "TLS";
 733         case EAP_TYPE_TTLS: return "TTLS";
 734         case EAP_TYPE_PEAP: return "PEAP";
 735         case EAP_TYPE_SIM: return "SIM";
 736         case EAP_TYPE_GTC: return "GTC";
 737         case EAP_TYPE_MD5: return "MD5";
 738         case EAP_TYPE_OTP: return "OTP";
 739         case EAP_TYPE_FAST: return "FAST";
 740         case EAP_TYPE_SAKE: return "SAKE";
 741         case EAP_TYPE_PSK: return "PSK";
 742         default: return "Unknown";
 743         }
 744 }
 745
 746
 747 static void ieee802_1x_decapsulate_radius(struct eapol_test_data *e)
 748 {
 749         struct wpabuf *eap;
 750         const struct eap_hdr *hdr;
 751         int eap_type = -1;
 752         char buf[64];
 753         struct radius_msg *msg;
 754
 755         if (e->last_recv_radius == NULL)
 756                 return;
 757
 758         msg = e->last_recv_radius;
 759
 760         eap = radius_msg_get_eap(msg);
 761         if (eap == NULL) {
 762                 /* draft-aboba-radius-rfc2869bis-20.txt, Chap. 2.6.3:
 763                  * RADIUS server SHOULD NOT send Access-Reject/no EAP-Message
 764                  * attribute */
 765                 wpa_printf(MSG_DEBUG, "could not extract "
 766                                "EAP-Message from RADIUS message");
 767                 wpabuf_free(e->last_eap_radius);
 768                 e->last_eap_radius = NULL;
 769                 return;
 770         }
 771
 772         if (wpabuf_len(eap) < sizeof(*hdr)) {
 773                 wpa_printf(MSG_DEBUG, "too short EAP packet "
 774                                "received from authentication server");
 775                 wpabuf_free(eap);
 776                 return;
 777         }
 778
 779         if (wpabuf_len(eap) > sizeof(*hdr))
 780                 eap_type = (wpabuf_head_u8(eap))[sizeof(*hdr)];
 781
 782         hdr = wpabuf_head(eap);
 783         switch (hdr->code) {
 784         case EAP_CODE_REQUEST:
 785                 os_snprintf(buf, sizeof(buf), "EAP-Request-%s (%d)",
 786                             eap_type >= 0 ? eap_type_text(eap_type) : "??",
 787                             eap_type);
 788                 break;
 789         case EAP_CODE_RESPONSE:
 790                 os_snprintf(buf, sizeof(buf), "EAP Response-%s (%d)",
 791                             eap_type >= 0 ? eap_type_text(eap_type) : "??",
 792                             eap_type);
 793                 break;
 794         case EAP_CODE_SUCCESS:
 795                 os_strlcpy(buf, "EAP Success", sizeof(buf));
 796                 /* LEAP uses EAP Success within an authentication, so must not
 797                  * stop here with eloop_terminate(); */
 798                 break;
 799         case EAP_CODE_FAILURE:
 800                 os_strlcpy(buf, "EAP Failure", sizeof(buf));
 801                 if (e->ctrl_iface)
 802                         break;
 803                 eloop_terminate();
 804                 break;
 805         default:
 806                 os_strlcpy(buf, "unknown EAP code", sizeof(buf));
 807                 wpa_hexdump_buf(MSG_DEBUG, "Decapsulated EAP packet", eap);
 808                 break;
 809         }
 810         wpa_printf(MSG_DEBUG, "decapsulated EAP packet (code=%d "
 811                        "id=%d len=%d) from RADIUS server: %s",
 812                       hdr->code, hdr->identifier, ntohs(hdr->length), buf);
 813
 814         /* sta->eapol_sm->be_auth.idFromServer = hdr->identifier; */
 815
 816         wpabuf_free(e->last_eap_radius);
 817         e->last_eap_radius = eap;
 818
 819         {
 820                 struct ieee802_1x_hdr *dot1x;
 821                 dot1x = os_malloc(sizeof(*dot1x) + wpabuf_len(eap));
 822                 assert(dot1x != NULL);
 823                 dot1x->version = EAPOL_VERSION;
 824                 dot1x->type = IEEE802_1X_TYPE_EAP_PACKET;
 825                 dot1x->length = htons(wpabuf_len(eap));
 826                 os_memcpy((u8 *) (dot1x + 1), wpabuf_head(eap),
 827                           wpabuf_len(eap));
 828                 eapol_sm_rx_eapol(e->wpa_s->eapol, e->wpa_s->bssid,
 829                                   (u8 *) dot1x,
 830                                   sizeof(*dot1x) + wpabuf_len(eap));
 831                 os_free(dot1x);
 832         }
 833 }
 834
 835
 836 static void ieee802_1x_get_keys(struct eapol_test_data *e,
 837                                 struct radius_msg *msg, struct radius_msg *req,
 838                                 const u8 *shared_secret,
 839                                 size_t shared_secret_len)
 840 {
 841         struct radius_ms_mppe_keys *keys;
 842         u8 *buf;
 843         size_t len;
 844
 845         keys = radius_msg_get_ms_keys(msg, req, shared_secret,
 846                                       shared_secret_len);
 847         if (keys && keys->send == NULL && keys->recv == NULL) {
 848                 os_free(keys);
 849                 keys = radius_msg_get_cisco_keys(msg, req, shared_secret,
 850                                                  shared_secret_len);
 851         }
 852
 853         if (keys) {
 854                 if (keys->send) {
 855                         wpa_hexdump(MSG_DEBUG, "MS-MPPE-Send-Key (sign)",
 856                                     keys->send, keys->send_len);
 857                 }
 858                 if (keys->recv) {
 859                         wpa_hexdump(MSG_DEBUG, "MS-MPPE-Recv-Key (crypt)",
 860                                     keys->recv, keys->recv_len);
 861                         e->authenticator_pmk_len =
 862                                 keys->recv_len > PMK_LEN ? PMK_LEN :
 863                                 keys->recv_len;
 864                         os_memcpy(e->authenticator_pmk, keys->recv,
 865                                   e->authenticator_pmk_len);
 866                         if (e->authenticator_pmk_len == 16 && keys->send &&
 867                             keys->send_len == 16) {
 868                                 /* MS-CHAP-v2 derives 16 octet keys */
 869                                 wpa_printf(MSG_DEBUG, "Use MS-MPPE-Send-Key "
 870                                            "to extend PMK to 32 octets");
 871                                 os_memcpy(e->authenticator_pmk +
 872                                           e->authenticator_pmk_len,
 873                                           keys->send, keys->send_len);
 874                                 e->authenticator_pmk_len += keys->send_len;
 875                         }
 876                 }
 877
 878                 os_free(keys->send);
 879                 os_free(keys->recv);
 880                 os_free(keys);
 881         }
 882
 883         if (radius_msg_get_attr_ptr(msg, RADIUS_ATTR_EAP_KEY_NAME, &buf, &len,
 884                                     NULL) == 0) {
 885                 os_memcpy(e->authenticator_eap_key_name, buf, len);
 886                 e->authenticator_eap_key_name_len = len;
 887         } else {
 888                 e->authenticator_eap_key_name_len = 0;
 889         }
 890 }
 891
 892
 893 /* Process the RADIUS frames from Authentication Server */
 894 static RadiusRxResult
 895 ieee802_1x_receive_auth(struct radius_msg *msg, struct radius_msg *req,
 896                         const u8 *shared_secret, size_t shared_secret_len,
 897                         void *data)
 898 {
 899         struct eapol_test_data *e = data;
 900         struct radius_hdr *hdr = radius_msg_get_hdr(msg);
 901
 902         /* RFC 2869, Ch. 5.13: valid Message-Authenticator attribute MUST be
 903          * present when packet contains an EAP-Message attribute */
 904         if (hdr->code == RADIUS_CODE_ACCESS_REJECT &&
 905             radius_msg_get_attr(msg, RADIUS_ATTR_MESSAGE_AUTHENTICATOR, NULL,
 906                                 0) < 0 &&
 907             radius_msg_get_attr(msg, RADIUS_ATTR_EAP_MESSAGE, NULL, 0) < 0) {
 908                 wpa_printf(MSG_DEBUG, "Allowing RADIUS "
 909                               "Access-Reject without Message-Authenticator "
 910                               "since it does not include EAP-Message\n");
 911         } else if (radius_msg_verify(msg, shared_secret, shared_secret_len,
 912                                      req, 1)) {
 913                 printf("Incoming RADIUS packet did not have correct "
 914                        "Message-Authenticator - dropped\n");
 915                 return RADIUS_RX_UNKNOWN;
 916         }
 917
 918         if (hdr->code != RADIUS_CODE_ACCESS_ACCEPT &&
 919             hdr->code != RADIUS_CODE_ACCESS_REJECT &&
 920             hdr->code != RADIUS_CODE_ACCESS_CHALLENGE) {
 921                 printf("Unknown RADIUS message code\n");
 922                 return RADIUS_RX_UNKNOWN;
 923         }
 924
 925         e->radius_identifier = -1;
 926         wpa_printf(MSG_DEBUG, "RADIUS packet matching with station");
 927
 928         radius_msg_free(e->last_recv_radius);
 929         e->last_recv_radius = msg;
 930
 931         switch (hdr->code) {
 932         case RADIUS_CODE_ACCESS_ACCEPT:
 933                 e->radius_access_accept_received = 1;
 934                 ieee802_1x_get_keys(e, msg, req, shared_secret,
 935                                     shared_secret_len);
 936                 break;
 937         case RADIUS_CODE_ACCESS_REJECT:
 938                 e->radius_access_reject_received = 1;
 939                 break;
 940         }
 941
 942         ieee802_1x_decapsulate_radius(e);
 943
 944         if ((hdr->code == RADIUS_CODE_ACCESS_ACCEPT &&
 945              e->eapol_test_num_reauths < 0) ||
 946             hdr->code == RADIUS_CODE_ACCESS_REJECT) {
 947                 if (!e->ctrl_iface)
 948                         eloop_terminate();
 949         }
 950
 951         return RADIUS_RX_QUEUED;
 952 }
 953
 954
 955 static int driver_get_ssid(void *priv, u8 *ssid)
 956 {
 957         ssid[0] = 0;
 958         return 0;
 959 }
 960
 961
 962 static int driver_get_bssid(void *priv, u8 *bssid)
 963 {
 964         struct eapol_test_data *e = priv;
 965
 966         if (e->ctrl_iface && !e->id_req_sent) {
 967                 eloop_register_timeout(0, 0, send_eap_request_identity,
 968                                        e->wpa_s, NULL);
 969                 e->id_req_sent = 1;
 970         }
 971
 972         os_memset(bssid, 0, ETH_ALEN);
 973         bssid[5] = 1;
 974         return 0;
 975 }
 976
 977
 978 static int driver_get_capa(void *priv, struct wpa_driver_capa *capa)
 979 {
 980         os_memset(capa, 0, sizeof(*capa));
 981         capa->flags = WPA_DRIVER_FLAGS_WIRED;
 982         return 0;
 983 }
 984
 985
 986 struct wpa_driver_ops eapol_test_drv_ops = {
 987         .name = "test",
 988         .get_ssid = driver_get_ssid,
 989         .get_bssid = driver_get_bssid,
 990         .get_capa = driver_get_capa,
 991 };
 992
 993 static void wpa_init_conf(struct eapol_test_data *e,
 994                           struct wpa_supplicant *wpa_s, const char *authsrv,
 995                           int port, const char *secret,
 996                           const char *cli_addr, const char *ifname)
 997 {
 998         struct hostapd_radius_server *as;
 999         int res;
1000
1001         wpa_s->driver = &eapol_test_drv_ops;
1002         wpa_s->drv_priv = e;
1003         wpa_s->bssid[5] = 1;
1004         os_memcpy(wpa_s->own_addr, e->own_addr, ETH_ALEN);
1005         e->own_ip_addr.s_addr = htonl((127 << 24) | 1);
1006         os_strlcpy(wpa_s->ifname, ifname, sizeof(wpa_s->ifname));
1007
1008         e->radius_conf = os_zalloc(sizeof(struct hostapd_radius_servers));
1009         assert(e->radius_conf != NULL);
1010         e->radius_conf->num_auth_servers = 1;
1011         as = os_zalloc(sizeof(struct hostapd_radius_server));
1012         assert(as != NULL);
1013 #if defined(CONFIG_NATIVE_WINDOWS) || defined(CONFIG_ANSI_C_EXTRA)
1014         {
1015                 int a[4];
1016                 u8 *pos;
1017                 sscanf(authsrv, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3]);
1018                 pos = (u8 *) &as->addr.u.v4;
1019                 *pos++ = a[0];
1020                 *pos++ = a[1];
1021                 *pos++ = a[2];
1022                 *pos++ = a[3];
1023         }
1024 #else /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
1025         if (hostapd_parse_ip_addr(authsrv, &as->addr) < 0) {
1026                 wpa_printf(MSG_ERROR, "Invalid IP address '%s'",
1027                            authsrv);
1028                 assert(0);
1029         }
1030 #endif /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
1031         as->port = port;
1032         as->shared_secret = (u8 *) os_strdup(secret);
1033         as->shared_secret_len = os_strlen(secret);
1034         e->radius_conf->auth_server = as;
1035         e->radius_conf->auth_servers = as;
1036         e->radius_conf->msg_dumps = 1;
1037         if (cli_addr) {
1038                 if (hostapd_parse_ip_addr(cli_addr,
1039                                           &e->radius_conf->client_addr) == 0)
1040                         e->radius_conf->force_client_addr = 1;
1041                 else {
1042                         wpa_printf(MSG_ERROR, "Invalid IP address '%s'",
1043                                    cli_addr);
1044                         assert(0);
1045                 }
1046         }
1047
1048         e->radius = radius_client_init(wpa_s, e->radius_conf);
1049         assert(e->radius != NULL);
1050
1051         res = radius_client_register(e->radius, RADIUS_AUTH,
1052                                      ieee802_1x_receive_auth, e);
1053         assert(res == 0);
1054 }
1055
1056
1057 static int scard_test(struct eapol_test_data *e)
1058 {
1059         struct scard_data *scard;
1060         size_t len;
1061         char imsi[20];
1062         unsigned char _rand[16];
1063 #ifdef PCSC_FUNCS
1064         unsigned char sres[4];
1065         unsigned char kc[8];
1066 #endif /* PCSC_FUNCS */
1067 #define num_triplets 5
1068         unsigned char rand_[num_triplets][16];
1069         unsigned char sres_[num_triplets][4];
1070         unsigned char kc_[num_triplets][8];
1071         int i, res;
1072         size_t j;
1073
1074 #define AKA_RAND_LEN 16
1075 #define AKA_AUTN_LEN 16
1076 #define AKA_AUTS_LEN 14
1077 #define RES_MAX_LEN 16
1078 #define IK_LEN 16
1079 #define CK_LEN 16
1080         unsigned char aka_rand[AKA_RAND_LEN];
1081         unsigned char aka_autn[AKA_AUTN_LEN];
1082         unsigned char aka_auts[AKA_AUTS_LEN];
1083         unsigned char aka_res[RES_MAX_LEN];
1084         size_t aka_res_len;
1085         unsigned char aka_ik[IK_LEN];
1086         unsigned char aka_ck[CK_LEN];
1087
1088         scard = scard_init(e->pcsc_reader);
1089         if (scard == NULL)
1090                 return -1;
1091         if (scard_set_pin(scard, e->pcsc_pin)) {
1092                 wpa_printf(MSG_WARNING, "PIN validation failed");
1093                 scard_deinit(scard);
1094                 return -1;
1095         }
1096
1097         len = sizeof(imsi);
1098         if (scard_get_imsi(scard, imsi, &len))
1099                 goto failed;
1100         wpa_hexdump_ascii(MSG_DEBUG, "SCARD: IMSI", (u8 *) imsi, len);
1101         /* NOTE: Permanent Username: 1 | IMSI */
1102
1103         wpa_printf(MSG_DEBUG, "SCARD: MNC length %d",
1104                    scard_get_mnc_len(scard));
1105
1106         os_memset(_rand, 0, sizeof(_rand));
1107         if (scard_gsm_auth(scard, _rand, sres, kc))
1108                 goto failed;
1109
1110         os_memset(_rand, 0xff, sizeof(_rand));
1111         if (scard_gsm_auth(scard, _rand, sres, kc))
1112                 goto failed;
1113
1114         for (i = 0; i < num_triplets; i++) {
1115                 os_memset(rand_[i], i, sizeof(rand_[i]));
1116                 if (scard_gsm_auth(scard, rand_[i], sres_[i], kc_[i]))
1117                         goto failed;
1118         }
1119
1120         for (i = 0; i < num_triplets; i++) {
1121                 printf("1");
1122                 for (j = 0; j < len; j++)
1123                         printf("%c", imsi[j]);
1124                 printf(",");
1125                 for (j = 0; j < 16; j++)
1126                         printf("%02X", rand_[i][j]);
1127                 printf(",");
1128                 for (j = 0; j < 4; j++)
1129                         printf("%02X", sres_[i][j]);
1130                 printf(",");
1131                 for (j = 0; j < 8; j++)
1132                         printf("%02X", kc_[i][j]);
1133                 printf("\n");
1134         }
1135
1136         wpa_printf(MSG_DEBUG, "Trying to use UMTS authentication");
1137
1138         /* seq 39 (0x28) */
1139         os_memset(aka_rand, 0xaa, 16);
1140         os_memcpy(aka_autn, "\x86\x71\x31\xcb\xa2\xfc\x61\xdf"
1141                   "\xa3\xb3\x97\x9d\x07\x32\xa2\x12", 16);
1142
1143         res = scard_umts_auth(scard, aka_rand, aka_autn, aka_res, &aka_res_len,
1144                               aka_ik, aka_ck, aka_auts);
1145         if (res == 0) {
1146                 wpa_printf(MSG_DEBUG, "UMTS auth completed successfully");
1147                 wpa_hexdump(MSG_DEBUG, "RES", aka_res, aka_res_len);
1148                 wpa_hexdump(MSG_DEBUG, "IK", aka_ik, IK_LEN);
1149                 wpa_hexdump(MSG_DEBUG, "CK", aka_ck, CK_LEN);
1150         } else if (res == -2) {
1151                 wpa_printf(MSG_DEBUG, "UMTS auth resulted in synchronization "
1152                            "failure");
1153                 wpa_hexdump(MSG_DEBUG, "AUTS", aka_auts, AKA_AUTS_LEN);
1154         } else {
1155                 wpa_printf(MSG_DEBUG, "UMTS auth failed");
1156         }
1157
1158 failed:
1159         scard_deinit(scard);
1160
1161         return 0;
1162 #undef num_triplets
1163 }
1164
1165
1166 static int scard_get_triplets(struct eapol_test_data *e, int argc, char *argv[])
1167 {
1168         struct scard_data *scard;
1169         size_t len;
1170         char imsi[20];
1171         unsigned char _rand[16];
1172         unsigned char sres[4];
1173         unsigned char kc[8];
1174         int num_triplets;
1175         int i;
1176         size_t j;
1177
1178         if (argc < 2 || ((num_triplets = atoi(argv[1])) <= 0)) {
1179                 printf("invalid parameters for sim command\n");
1180                 return -1;
1181         }
1182
1183         if (argc <= 2 || os_strcmp(argv[2], "debug") != 0) {
1184                 /* disable debug output */
1185                 wpa_debug_level = 99;
1186         }
1187
1188         scard = scard_init(e->pcsc_reader);
1189         if (scard == NULL) {
1190                 printf("Failed to open smartcard connection\n");
1191                 return -1;
1192         }
1193         if (scard_set_pin(scard, argv[0])) {
1194                 wpa_printf(MSG_WARNING, "PIN validation failed");
1195                 scard_deinit(scard);
1196                 return -1;
1197         }
1198
1199         len = sizeof(imsi);
1200         if (scard_get_imsi(scard, imsi, &len)) {
1201                 scard_deinit(scard);
1202                 return -1;
1203         }
1204
1205         for (i = 0; i < num_triplets; i++) {
1206                 os_memset(_rand, i, sizeof(_rand));
1207                 if (scard_gsm_auth(scard, _rand, sres, kc))
1208                         break;
1209
1210                 /* IMSI:Kc:SRES:RAND */
1211                 for (j = 0; j < len; j++)
1212                         printf("%c", imsi[j]);
1213                 printf(":");
1214                 for (j = 0; j < 8; j++)
1215                         printf("%02X", kc[j]);
1216                 printf(":");
1217                 for (j = 0; j < 4; j++)
1218                         printf("%02X", sres[j]);
1219                 printf(":");
1220                 for (j = 0; j < 16; j++)
1221                         printf("%02X", _rand[j]);
1222                 printf("\n");
1223         }
1224
1225         scard_deinit(scard);
1226
1227         return 0;
1228 }
1229
1230
1231 static void eapol_test_terminate(int sig, void *signal_ctx)
1232 {
1233         struct wpa_supplicant *wpa_s = signal_ctx;
1234         wpa_msg(wpa_s, MSG_INFO, "Signal %d received - terminating", sig);
1235         eloop_terminate();
1236 }
1237
1238
1239 static void usage(void)
1240 {
1241         printf("usage:\n"
1242                "eapol_test [-enWS] -c<conf> [-a<AS IP>] [-p<AS port>] "
1243                "[-s<AS secret>]\\\n"
1244                "           [-r<count>] [-t<timeout>] [-C<Connect-Info>] \\\n"
1245                "           [-M<client MAC address>] [-o<server cert file] \\\n"
1246                "           [-N<attr spec>] [-R<PC/SC reader>] "
1247                "[-P<PC/SC PIN>] \\\n"
1248                "           [-A<client IP>] [-i<ifname>] [-T<ctrl_iface>]\n"
1249                "eapol_test scard\n"
1250                "eapol_test sim <PIN> <num triplets> [debug]\n"
1251                "\n");
1252         printf("options:\n"
1253                "  -c<conf> = configuration file\n"
1254                "  -a<AS IP> = IP address of the authentication server, "
1255                "default 127.0.0.1\n"
1256                "  -p<AS port> = UDP port of the authentication server, "
1257                "default 1812\n"
1258                "  -s<AS secret> = shared secret with the authentication "
1259                "server, default 'radius'\n"
1260                "  -A<client IP> = IP address of the client, default: select "
1261                "automatically\n"
1262                "  -r<count> = number of re-authentications\n"
1263                "  -e = Request EAP-Key-Name\n"
1264                "  -W = wait for a control interface monitor before starting\n"
1265                "  -S = save configuration after authentication\n"
1266                "  -n = no MPPE keys expected\n"
1267                "  -t<timeout> = sets timeout in seconds (default: 30 s)\n"
1268                "  -C<Connect-Info> = RADIUS Connect-Info (default: "
1269                "CONNECT 11Mbps 802.11b)\n"
1270                "  -M<client MAC address> = Set own MAC address "
1271                "(Calling-Station-Id,\n"
1272                "                           default: 02:00:00:00:00:01)\n"
1273                "  -o<server cert file> = Write received server certificate\n"
1274                "                         chain to the specified file\n"
1275                "  -N<attr spec> = send arbitrary attribute specified by:\n"
1276                "                  attr_id:syntax:value or attr_id\n"
1277                "                  attr_id - number id of the attribute\n"
1278                "                  syntax - one of: s, d, x\n"
1279                "                     s = string\n"
1280                "                     d = integer\n"
1281                "                     x = octet string\n"
1282                "                  value - attribute value.\n"
1283                "       When only attr_id is specified, NULL will be used as "
1284                "value.\n"
1285                "       Multiple attributes can be specified by using the "
1286                "option several times.\n");
1287 }
1288
1289
1290 int main(int argc, char *argv[])
1291 {
1292         struct wpa_global global;
1293         struct wpa_supplicant wpa_s;
1294         int c, ret = 1, wait_for_monitor = 0, save_config = 0;
1295         char *as_addr = "127.0.0.1";
1296         int as_port = 1812;
1297         char *as_secret = "radius";
1298         char *cli_addr = NULL;
1299         char *conf = NULL;
1300         int timeout = 30;
1301         char *pos;
1302         struct extra_radius_attr *p = NULL, *p1;
1303         const char *ifname = "test";
1304         const char *ctrl_iface = NULL;
1305
1306         if (os_program_init())
1307                 return -1;
1308
1309         hostapd_logger_register_cb(hostapd_logger_cb);
1310
1311         os_memset(&eapol_test, 0, sizeof(eapol_test));
1312         eapol_test.connect_info = "CONNECT 11Mbps 802.11b";
1313         os_memcpy(eapol_test.own_addr, "\x02\x00\x00\x00\x00\x01", ETH_ALEN);
1314         eapol_test.pcsc_pin = "1234";
1315
1316         wpa_debug_level = 0;
1317         wpa_debug_show_keys = 1;
1318
1319         for (;;) {
1320                 c = getopt(argc, argv, "a:A:c:C:ei:M:nN:o:p:P:r:R:s:St:T:W");
1321                 if (c < 0)
1322                         break;
1323                 switch (c) {
1324                 case 'a':
1325                         as_addr = optarg;
1326                         break;
1327                 case 'A':
1328                         cli_addr = optarg;
1329                         break;
1330                 case 'c':
1331                         conf = optarg;
1332                         break;
1333                 case 'C':
1334                         eapol_test.connect_info = optarg;
1335                         break;
1336                 case 'e':
1337                         eapol_test.req_eap_key_name = 1;
1338                         break;
1339                 case 'i':
1340                         ifname = optarg;
1341                         break;
1342                 case 'M':
1343                         if (hwaddr_aton(optarg, eapol_test.own_addr)) {
1344                                 usage();
1345                                 return -1;
1346                         }
1347                         break;
1348                 case 'n':
1349                         eapol_test.no_mppe_keys++;
1350                         break;
1351                 case 'o':
1352                         if (eapol_test.server_cert_file)
1353                                 fclose(eapol_test.server_cert_file);
1354                         eapol_test.server_cert_file = fopen(optarg, "w");
1355                         if (eapol_test.server_cert_file == NULL) {
1356                                 printf("Could not open '%s' for writing\n",
1357                                        optarg);
1358                                 return -1;
1359                         }
1360                         break;
1361                 case 'p':
1362                         as_port = atoi(optarg);
1363                         break;
1364                 case 'P':
1365                         eapol_test.pcsc_pin = optarg;
1366                         break;
1367                 case 'r':
1368                         eapol_test.eapol_test_num_reauths = atoi(optarg);
1369                         break;
1370                 case 'R':
1371                         eapol_test.pcsc_reader = optarg;
1372                         break;
1373                 case 's':
1374                         as_secret = optarg;
1375                         break;
1376                 case 'S':
1377                         save_config++;
1378                         break;
1379                 case 't':
1380                         timeout = atoi(optarg);
1381                         break;
1382                 case 'T':
1383                         ctrl_iface = optarg;
1384                         eapol_test.ctrl_iface = 1;
1385                         break;
1386                 case 'W':
1387                         wait_for_monitor++;
1388                         break;
1389                 case 'N':
1390                         p1 = os_zalloc(sizeof(*p1));
1391                         if (p1 == NULL)
1392                                 break;
1393                         if (!p)
1394                                 eapol_test.extra_attrs = p1;
1395                         else
1396                                 p->next = p1;
1397                         p = p1;
1398
1399                         p->type = atoi(optarg);
1400                         pos = os_strchr(optarg, ':');
1401                         if (pos == NULL) {
1402                                 p->syntax = 'n';
1403                                 p->data = NULL;
1404                                 break;
1405                         }
1406
1407                         pos++;
1408                         if (pos[0] == '\0' || pos[1] != ':') {
1409                                 printf("Incorrect format of attribute "
1410                                        "specification\n");
1411                                 break;
1412                         }
1413
1414                         p->syntax = pos[0];
1415                         p->data = pos + 2;
1416                         break;
1417                 default:
1418                         usage();
1419                         return -1;
1420                 }
1421         }
1422
1423         if (argc > optind && os_strcmp(argv[optind], "scard") == 0) {
1424                 return scard_test(&eapol_test);
1425         }
1426
1427         if (argc > optind && os_strcmp(argv[optind], "sim") == 0) {
1428                 return scard_get_triplets(&eapol_test, argc - optind - 1,
1429                                           &argv[optind + 1]);
1430         }
1431
1432         if (conf == NULL && !ctrl_iface) {
1433                 usage();
1434                 printf("Configuration file is required.\n");
1435                 return -1;
1436         }
1437
1438         if (eap_register_methods()) {
1439                 wpa_printf(MSG_ERROR, "Failed to register EAP methods");
1440                 return -1;
1441         }
1442
1443         if (eloop_init()) {
1444                 wpa_printf(MSG_ERROR, "Failed to initialize event loop");
1445                 return -1;
1446         }
1447
1448         os_memset(&global, 0, sizeof(global));
1449         os_memset(&wpa_s, 0, sizeof(wpa_s));
1450         wpa_s.global = &global;
1451         eapol_test.wpa_s = &wpa_s;
1452         dl_list_init(&wpa_s.bss);
1453         dl_list_init(&wpa_s.bss_id);
1454         if (conf)
1455                 wpa_s.conf = wpa_config_read(conf, NULL);
1456         else
1457                 wpa_s.conf = wpa_config_alloc_empty(ctrl_iface, NULL);
1458         if (wpa_s.conf == NULL) {
1459                 printf("Failed to parse configuration file '%s'.\n", conf);
1460                 return -1;
1461         }
1462         if (!ctrl_iface && wpa_s.conf->ssid == NULL) {
1463                 printf("No networks defined.\n");
1464                 return -1;
1465         }
1466
1467         if (eapol_test.pcsc_reader) {
1468                 os_free(wpa_s.conf->pcsc_reader);
1469                 wpa_s.conf->pcsc_reader = os_strdup(eapol_test.pcsc_reader);
1470         }
1471
1472         wpa_init_conf(&eapol_test, &wpa_s, as_addr, as_port, as_secret,
1473                       cli_addr, ifname);
1474         wpa_s.ctrl_iface = wpa_supplicant_ctrl_iface_init(&wpa_s);
1475         if (wpa_s.ctrl_iface == NULL) {
1476                 printf("Failed to initialize control interface '%s'.\n"
1477                        "You may have another eapol_test process already "
1478                        "running or the file was\n"
1479                        "left by an unclean termination of eapol_test in "
1480                        "which case you will need\n"
1481                        "to manually remove this file before starting "
1482                        "eapol_test again.\n",
1483                        wpa_s.conf->ctrl_interface);
1484                 return -1;
1485         }
1486         if (wpa_s.conf->ssid &&
1487             wpa_supplicant_scard_init(&wpa_s, wpa_s.conf->ssid))
1488                 return -1;
1489
1490         if (test_eapol(&eapol_test, &wpa_s, wpa_s.conf->ssid))
1491                 return -1;
1492
1493         if (wpas_init_ext_pw(&wpa_s) < 0)
1494                 return -1;
1495
1496         if (wait_for_monitor)
1497                 wpa_supplicant_ctrl_iface_wait(wpa_s.ctrl_iface);
1498
1499         if (!ctrl_iface) {
1500                 eloop_register_timeout(timeout, 0, eapol_test_timeout,
1501                                        &eapol_test, NULL);
1502                 eloop_register_timeout(0, 0, send_eap_request_identity, &wpa_s,
1503                                        NULL);
1504         }
1505         eloop_register_signal_terminate(eapol_test_terminate, &wpa_s);
1506         eloop_register_signal_reconfig(eapol_test_terminate, &wpa_s);
1507         eloop_run();
1508
1509         eloop_cancel_timeout(eapol_test_timeout, &eapol_test, NULL);
1510         eloop_cancel_timeout(eapol_sm_reauth, &eapol_test, NULL);
1511
1512         if (eapol_test_compare_pmk(&eapol_test) == 0 ||
1513             eapol_test.no_mppe_keys)
1514                 ret = 0;
1515         if (eapol_test.auth_timed_out)
1516                 ret = -2;
1517         if (eapol_test.radius_access_reject_received)
1518                 ret = -3;
1519
1520         if (save_config)
1521                 wpa_config_write(conf, wpa_s.conf);
1522
1523         test_eapol_clean(&eapol_test, &wpa_s);
1524
1525         eap_peer_unregister_methods();
1526 #ifdef CONFIG_AP
1527         eap_server_unregister_methods();
1528 #endif /* CONFIG_AP */
1529
1530         eloop_destroy();
1531
1532         if (eapol_test.server_cert_file)
1533                 fclose(eapol_test.server_cert_file);
1534
1535         printf("MPPE keys OK: %d  mismatch: %d\n",
1536                eapol_test.num_mppe_ok, eapol_test.num_mppe_mismatch);
1537         if (eapol_test.num_mppe_mismatch)
1538                 ret = -4;
1539         if (ret)
1540                 printf("FAILURE\n");
1541         else
1542                 printf("SUCCESS\n");
1543
1544         os_program_deinit();
1545
1546         return ret;
1547 }