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 "common/version.h"
  18 #include "config.h"
  19 #include "eapol_supp/eapol_supp_sm.h"
  20 #include "eap_peer/eap.h"
  21 #include "eap_server/eap_methods.h"
  22 #include "eloop.h"
  23 #include "utils/base64.h"
  24 #include "rsn_supp/wpa.h"
  25 #include "wpa_supplicant_i.h"
  26 #include "radius/radius.h"
  27 #include "radius/radius_client.h"
  28 #include "common/wpa_ctrl.h"
  29 #include "ctrl_iface.h"
  30 #include "pcsc_funcs.h"
  31 #include "wpas_glue.h"
  32
  33
  34 const struct wpa_driver_ops *const wpa_drivers[] = { NULL };
  35
  36
  37 struct extra_radius_attr {
  38         u8 type;
  39         char syntax;
  40         char *data;
  41         struct extra_radius_attr *next;
  42 };
  43
  44 struct eapol_test_data {
  45         struct wpa_supplicant *wpa_s;
  46
  47         int eapol_test_num_reauths;
  48         int no_mppe_keys;
  49         int num_mppe_ok, num_mppe_mismatch;
  50         int req_eap_key_name;
  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         u8 authenticator_eap_key_name[256];
  64         size_t authenticator_eap_key_name_len;
  65         int radius_access_accept_received;
  66         int radius_access_reject_received;
  67         int auth_timed_out;
  68
  69         u8 *eap_identity;
  70         size_t eap_identity_len;
  71
  72         char *connect_info;
  73         u8 own_addr[ETH_ALEN];
  74         struct extra_radius_attr *extra_attrs;
  75
  76         FILE *server_cert_file;
  77
  78         const char *pcsc_reader;
  79         const char *pcsc_pin;
  80
  81         unsigned int ctrl_iface:1;
  82         unsigned int id_req_sent:1;
  83 };
  84
  85 static struct eapol_test_data eapol_test;
  86
  87
  88 static void send_eap_request_identity(void *eloop_ctx, void *timeout_ctx);
  89
  90
  91 static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module,
  92                               int level, const char *txt, size_t len)
  93 {
  94         if (addr)
  95                 wpa_printf(MSG_DEBUG, "STA " MACSTR ": %s\n",
  96                            MAC2STR(addr), txt);
  97         else
  98                 wpa_printf(MSG_DEBUG, "%s", txt);
  99 }
 100
 101
 102 static int add_extra_attr(struct radius_msg *msg,
 103                           struct extra_radius_attr *attr)
 104 {
 105         size_t len;
 106         char *pos;
 107         u32 val;
 108         char buf[RADIUS_MAX_ATTR_LEN + 1];
 109
 110         switch (attr->syntax) {
 111         case 's':
 112                 os_snprintf(buf, sizeof(buf), "%s", attr->data);
 113                 len = os_strlen(buf);
 114                 break;
 115         case 'n':
 116                 buf[0] = '\0';
 117                 len = 1;
 118                 break;
 119         case 'x':
 120                 pos = attr->data;
 121                 if (pos[0] == '0' && pos[1] == 'x')
 122                         pos += 2;
 123                 len = os_strlen(pos);
 124                 if ((len & 1) || (len / 2) > RADIUS_MAX_ATTR_LEN) {
 125                         printf("Invalid extra attribute hexstring\n");
 126                         return -1;
 127                 }
 128                 len /= 2;
 129                 if (hexstr2bin(pos, (u8 *) buf, len) < 0) {
 130                         printf("Invalid extra attribute hexstring\n");
 131                         return -1;
 132                 }
 133                 break;
 134         case 'd':
 135                 val = htonl(atoi(attr->data));
 136                 os_memcpy(buf, &val, 4);
 137                 len = 4;
 138                 break;
 139         default:
 140                 printf("Incorrect extra attribute syntax specification\n");
 141                 return -1;
 142         }
 143
 144         if (!radius_msg_add_attr(msg, attr->type, (u8 *) buf, len)) {
 145                 printf("Could not add attribute %d\n", attr->type);
 146                 return -1;
 147         }
 148
 149         return 0;
 150 }
 151
 152
 153 static int add_extra_attrs(struct radius_msg *msg,
 154                            struct extra_radius_attr *attrs)
 155 {
 156         struct extra_radius_attr *p;
 157         for (p = attrs; p; p = p->next) {
 158                 if (add_extra_attr(msg, p) < 0)
 159                         return -1;
 160         }
 161         return 0;
 162 }
 163
 164
 165 static struct extra_radius_attr *
 166 find_extra_attr(struct extra_radius_attr *attrs, u8 type)
 167 {
 168         struct extra_radius_attr *p;
 169         for (p = attrs; p; p = p->next) {
 170                 if (p->type == type)
 171                         return p;
 172         }
 173         return NULL;
 174 }
 175
 176
 177 static void ieee802_1x_encapsulate_radius(struct eapol_test_data *e,
 178                                           const u8 *eap, size_t len)
 179 {
 180         struct radius_msg *msg;
 181         char buf[RADIUS_MAX_ATTR_LEN + 1];
 182         const struct eap_hdr *hdr;
 183         const u8 *pos;
 184
 185         wpa_printf(MSG_DEBUG, "Encapsulating EAP message into a RADIUS "
 186                    "packet");
 187
 188         e->radius_identifier = radius_client_get_id(e->radius);
 189         msg = radius_msg_new(RADIUS_CODE_ACCESS_REQUEST,
 190                              e->radius_identifier);
 191         if (msg == NULL) {
 192                 printf("Could not create net RADIUS packet\n");
 193                 return;
 194         }
 195
 196         radius_msg_make_authenticator(msg, (u8 *) e, sizeof(*e));
 197
 198         hdr = (const struct eap_hdr *) eap;
 199         pos = (const u8 *) (hdr + 1);
 200         if (len > sizeof(*hdr) && hdr->code == EAP_CODE_RESPONSE &&
 201             pos[0] == EAP_TYPE_IDENTITY) {
 202                 pos++;
 203                 os_free(e->eap_identity);
 204                 e->eap_identity_len = len - sizeof(*hdr) - 1;
 205                 e->eap_identity = os_malloc(e->eap_identity_len);
 206                 if (e->eap_identity) {
 207                         os_memcpy(e->eap_identity, pos, e->eap_identity_len);
 208                         wpa_hexdump(MSG_DEBUG, "Learned identity from "
 209                                     "EAP-Response-Identity",
 210                                     e->eap_identity, e->eap_identity_len);
 211                 }
 212         }
 213
 214         if (e->eap_identity &&
 215             !radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME,
 216                                  e->eap_identity, e->eap_identity_len)) {
 217                 printf("Could not add User-Name\n");
 218                 goto fail;
 219         }
 220
 221         if (e->req_eap_key_name &&
 222             !radius_msg_add_attr(msg, RADIUS_ATTR_EAP_KEY_NAME, (u8 *) "\0",
 223                                  1)) {
 224                 printf("Could not add EAP-Key-Name\n");
 225                 goto fail;
 226         }
 227
 228         if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_NAS_IP_ADDRESS) &&
 229             !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
 230                                  (u8 *) &e->own_ip_addr, 4)) {
 231                 printf("Could not add NAS-IP-Address\n");
 232                 goto fail;
 233         }
 234
 235         os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT,
 236                     MAC2STR(e->wpa_s->own_addr));
 237         if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_CALLING_STATION_ID)
 238             &&
 239             !radius_msg_add_attr(msg, RADIUS_ATTR_CALLING_STATION_ID,
 240                                  (u8 *) buf, os_strlen(buf))) {
 241                 printf("Could not add Calling-Station-Id\n");
 242                 goto fail;
 243         }
 244
 245         /* TODO: should probably check MTU from driver config; 2304 is max for
 246          * IEEE 802.11, but use 1400 to avoid problems with too large packets
 247          */
 248         if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_FRAMED_MTU) &&
 249             !radius_msg_add_attr_int32(msg, RADIUS_ATTR_FRAMED_MTU, 1400)) {
 250                 printf("Could not add Framed-MTU\n");
 251                 goto fail;
 252         }
 253
 254         if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_NAS_PORT_TYPE) &&
 255             !radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT_TYPE,
 256                                        RADIUS_NAS_PORT_TYPE_IEEE_802_11)) {
 257                 printf("Could not add NAS-Port-Type\n");
 258                 goto fail;
 259         }
 260
 261         os_snprintf(buf, sizeof(buf), "%s", e->connect_info);
 262         if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_CONNECT_INFO) &&
 263             !radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
 264                                  (u8 *) buf, os_strlen(buf))) {
 265                 printf("Could not add Connect-Info\n");
 266                 goto fail;
 267         }
 268
 269         if (add_extra_attrs(msg, e->extra_attrs) < 0)
 270                 goto fail;
 271
 272         if (eap && !radius_msg_add_eap(msg, eap, len)) {
 273                 printf("Could not add EAP-Message\n");
 274                 goto fail;
 275         }
 276
 277         /* State attribute must be copied if and only if this packet is
 278          * Access-Request reply to the previous Access-Challenge */
 279         if (e->last_recv_radius &&
 280             radius_msg_get_hdr(e->last_recv_radius)->code ==
 281             RADIUS_CODE_ACCESS_CHALLENGE) {
 282                 int res = radius_msg_copy_attr(msg, e->last_recv_radius,
 283                                                RADIUS_ATTR_STATE);
 284                 if (res < 0) {
 285                         printf("Could not copy State attribute from previous "
 286                                "Access-Challenge\n");
 287                         goto fail;
 288                 }
 289                 if (res > 0) {
 290                         wpa_printf(MSG_DEBUG, "  Copied RADIUS State "
 291                                    "Attribute");
 292                 }
 293         }
 294
 295         if (radius_client_send(e->radius, msg, RADIUS_AUTH, e->wpa_s->own_addr)
 296             < 0)
 297                 goto fail;
 298         return;
 299
 300  fail:
 301         radius_msg_free(msg);
 302 }
 303
 304
 305 static int eapol_test_eapol_send(void *ctx, int type, const u8 *buf,
 306                                  size_t len)
 307 {
 308         printf("WPA: eapol_test_eapol_send(type=%d len=%lu)\n",
 309                type, (unsigned long) len);
 310         if (type == IEEE802_1X_TYPE_EAP_PACKET) {
 311                 wpa_hexdump(MSG_DEBUG, "TX EAP -> RADIUS", buf, len);
 312                 ieee802_1x_encapsulate_radius(&eapol_test, buf, len);
 313         }
 314         return 0;
 315 }
 316
 317
 318 static void eapol_test_set_config_blob(void *ctx,
 319                                        struct wpa_config_blob *blob)
 320 {
 321         struct eapol_test_data *e = ctx;
 322         wpa_config_set_blob(e->wpa_s->conf, blob);
 323 }
 324
 325
 326 static const struct wpa_config_blob *
 327 eapol_test_get_config_blob(void *ctx, const char *name)
 328 {
 329         struct eapol_test_data *e = ctx;
 330         return wpa_config_get_blob(e->wpa_s->conf, name);
 331 }
 332
 333
 334 static void eapol_test_eapol_done_cb(void *ctx)
 335 {
 336         struct eapol_test_data *e = ctx;
 337
 338         printf("WPA: EAPOL processing complete\n");
 339         wpa_supplicant_cancel_auth_timeout(e->wpa_s);
 340         wpa_supplicant_set_state(e->wpa_s, WPA_COMPLETED);
 341 }
 342
 343
 344 static void eapol_sm_reauth(void *eloop_ctx, void *timeout_ctx)
 345 {
 346         struct eapol_test_data *e = eloop_ctx;
 347         printf("\n\n\n\n\neapol_test: Triggering EAP reauthentication\n\n");
 348         e->radius_access_accept_received = 0;
 349         send_eap_request_identity(e->wpa_s, NULL);
 350 }
 351
 352
 353 static int eapol_test_compare_pmk(struct eapol_test_data *e)
 354 {
 355         u8 pmk[PMK_LEN];
 356         int ret = 1;
 357         const u8 *sess_id;
 358         size_t sess_id_len;
 359
 360         if (eapol_sm_get_key(e->wpa_s->eapol, pmk, PMK_LEN) == 0) {
 361                 wpa_hexdump(MSG_DEBUG, "PMK from EAPOL", pmk, PMK_LEN);
 362                 if (os_memcmp(pmk, e->authenticator_pmk, PMK_LEN) != 0) {
 363                         printf("WARNING: PMK mismatch\n");
 364                         wpa_hexdump(MSG_DEBUG, "PMK from AS",
 365                                     e->authenticator_pmk, PMK_LEN);
 366                 } else if (e->radius_access_accept_received)
 367                         ret = 0;
 368         } else if (e->authenticator_pmk_len == 16 &&
 369                    eapol_sm_get_key(e->wpa_s->eapol, pmk, 16) == 0) {
 370                 wpa_hexdump(MSG_DEBUG, "LEAP PMK from EAPOL", pmk, 16);
 371                 if (os_memcmp(pmk, e->authenticator_pmk, 16) != 0) {
 372                         printf("WARNING: PMK mismatch\n");
 373                         wpa_hexdump(MSG_DEBUG, "PMK from AS",
 374                                     e->authenticator_pmk, 16);
 375                 } else if (e->radius_access_accept_received)
 376                         ret = 0;
 377         } else if (e->radius_access_accept_received && e->no_mppe_keys) {
 378                 /* No keying material expected */
 379                 ret = 0;
 380         }
 381
 382         if (ret && !e->no_mppe_keys)
 383                 e->num_mppe_mismatch++;
 384         else if (!e->no_mppe_keys)
 385                 e->num_mppe_ok++;
 386
 387         sess_id = eapol_sm_get_session_id(e->wpa_s->eapol, &sess_id_len);
 388         if (!sess_id)
 389                 return ret;
 390         if (e->authenticator_eap_key_name_len == 0) {
 391                 wpa_printf(MSG_INFO, "No EAP-Key-Name received from server");
 392                 return ret;
 393         }
 394
 395         if (e->authenticator_eap_key_name_len != sess_id_len ||
 396             os_memcmp(e->authenticator_eap_key_name, sess_id, sess_id_len) != 0)
 397         {
 398                 wpa_printf(MSG_INFO,
 399                            "Locally derived EAP Session-Id does not match EAP-Key-Name from server");
 400                 wpa_hexdump(MSG_DEBUG, "EAP Session-Id", sess_id, sess_id_len);
 401                 wpa_hexdump(MSG_DEBUG, "EAP-Key-Name from server",
 402                             e->authenticator_eap_key_name,
 403                             e->authenticator_eap_key_name_len);
 404         } else {
 405                 wpa_printf(MSG_INFO,
 406                            "Locally derived EAP Session-Id matches EAP-Key-Name from server");
 407         }
 408
 409         return ret;
 410 }
 411
 412
 413 static void eapol_sm_cb(struct eapol_sm *eapol, enum eapol_supp_result result,
 414                         void *ctx)
 415 {
 416         struct eapol_test_data *e = ctx;
 417         printf("eapol_sm_cb: result=%d\n", result);
 418         e->id_req_sent = 0;
 419         if (e->ctrl_iface)
 420                 return;
 421         e->eapol_test_num_reauths--;
 422         if (e->eapol_test_num_reauths < 0)
 423                 eloop_terminate();
 424         else {
 425                 eapol_test_compare_pmk(e);
 426                 eloop_register_timeout(0, 100000, eapol_sm_reauth, e, NULL);
 427         }
 428 }
 429
 430
 431 static void eapol_test_write_cert(FILE *f, const char *subject,
 432                                   const struct wpabuf *cert)
 433 {
 434         unsigned char *encoded;
 435
 436         encoded = base64_encode(wpabuf_head(cert), wpabuf_len(cert), NULL);
 437         if (encoded == NULL)
 438                 return;
 439         fprintf(f, "%s\n-----BEGIN CERTIFICATE-----\n%s"
 440                 "-----END CERTIFICATE-----\n\n", subject, encoded);
 441         os_free(encoded);
 442 }
 443
 444
 445 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
 446 static void eapol_test_eap_param_needed(void *ctx, enum wpa_ctrl_req_type field,
 447                                         const char *default_txt)
 448 {
 449         struct eapol_test_data *e = ctx;
 450         struct wpa_supplicant *wpa_s = e->wpa_s;
 451         struct wpa_ssid *ssid = wpa_s->current_ssid;
 452         const char *field_name, *txt = NULL;
 453         char *buf;
 454         size_t buflen;
 455         int len;
 456
 457         if (ssid == NULL)
 458                 return;
 459
 460         field_name = wpa_supplicant_ctrl_req_to_string(field, default_txt,
 461                                                        &txt);
 462         if (field_name == NULL) {
 463                 wpa_printf(MSG_WARNING, "Unhandled EAP param %d needed",
 464                            field);
 465                 return;
 466         }
 467
 468         buflen = 100 + os_strlen(txt) + ssid->ssid_len;
 469         buf = os_malloc(buflen);
 470         if (buf == NULL)
 471                 return;
 472         len = os_snprintf(buf, buflen,
 473                           WPA_CTRL_REQ "%s-%d:%s needed for SSID ",
 474                           field_name, ssid->id, txt);
 475         if (os_snprintf_error(buflen, len)) {
 476                 os_free(buf);
 477                 return;
 478         }
 479         if (ssid->ssid && buflen > len + ssid->ssid_len) {
 480                 os_memcpy(buf + len, ssid->ssid, ssid->ssid_len);
 481                 len += ssid->ssid_len;
 482                 buf[len] = '\0';
 483         }
 484         buf[buflen - 1] = '\0';
 485         wpa_msg(wpa_s, MSG_INFO, "%s", buf);
 486         os_free(buf);
 487 }
 488 #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
 489 #define eapol_test_eap_param_needed NULL
 490 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
 491
 492
 493 static void eapol_test_cert_cb(void *ctx, int depth, const char *subject,
 494                                const char *altsubject[], int num_altsubject,
 495                                const char *cert_hash,
 496                                const struct wpabuf *cert)
 497 {
 498         struct eapol_test_data *e = ctx;
 499
 500         wpa_msg(e->wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_CERT
 501                 "depth=%d subject='%s'%s%s",
 502                 depth, subject,
 503                 cert_hash ? " hash=" : "",
 504                 cert_hash ? cert_hash : "");
 505
 506         if (cert) {
 507                 char *cert_hex;
 508                 size_t len = wpabuf_len(cert) * 2 + 1;
 509                 cert_hex = os_malloc(len);
 510                 if (cert_hex) {
 511                         wpa_snprintf_hex(cert_hex, len, wpabuf_head(cert),
 512                                          wpabuf_len(cert));
 513                         wpa_msg_ctrl(e->wpa_s, MSG_INFO,
 514                                      WPA_EVENT_EAP_PEER_CERT
 515                                      "depth=%d subject='%s' cert=%s",
 516                                      depth, subject, cert_hex);
 517                         os_free(cert_hex);
 518                 }
 519
 520                 if (e->server_cert_file)
 521                         eapol_test_write_cert(e->server_cert_file,
 522                                               subject, cert);
 523         }
 524
 525         if (altsubject) {
 526                 int i;
 527
 528                 for (i = 0; i < num_altsubject; i++)
 529                         wpa_msg(e->wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_ALT
 530                                 "depth=%d %s", depth, altsubject[i]);
 531         }
 532 }
 533
 534
 535 static void eapol_test_set_anon_id(void *ctx, const u8 *id, size_t len)
 536 {
 537         struct eapol_test_data *e = ctx;
 538         struct wpa_supplicant *wpa_s = e->wpa_s;
 539         char *str;
 540         int res;
 541
 542         wpa_hexdump_ascii(MSG_DEBUG, "EAP method updated anonymous_identity",
 543                           id, len);
 544
 545         if (wpa_s->current_ssid == NULL)
 546                 return;
 547
 548         if (id == NULL) {
 549                 if (wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
 550                                    "NULL", 0) < 0)
 551                         return;
 552         } else {
 553                 str = os_malloc(len * 2 + 1);
 554                 if (str == NULL)
 555                         return;
 556                 wpa_snprintf_hex(str, len * 2 + 1, id, len);
 557                 res = wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
 558                                      str, 0);
 559                 os_free(str);
 560                 if (res < 0)
 561                         return;
 562         }
 563 }
 564
 565
 566 static enum wpa_states eapol_test_get_state(void *ctx)
 567 {
 568         struct eapol_test_data *e = ctx;
 569         struct wpa_supplicant *wpa_s = e->wpa_s;
 570
 571         return wpa_s->wpa_state;
 572 }
 573
 574
 575 static int test_eapol(struct eapol_test_data *e, struct wpa_supplicant *wpa_s,
 576                       struct wpa_ssid *ssid)
 577 {
 578         struct eapol_config eapol_conf;
 579         struct eapol_ctx *ctx;
 580         struct wpa_sm_ctx *wctx;
 581
 582         ctx = os_zalloc(sizeof(*ctx));
 583         if (ctx == NULL) {
 584                 printf("Failed to allocate EAPOL context.\n");
 585                 return -1;
 586         }
 587         ctx->ctx = e;
 588         ctx->msg_ctx = wpa_s;
 589         ctx->scard_ctx = wpa_s->scard;
 590         ctx->cb = eapol_sm_cb;
 591         ctx->cb_ctx = e;
 592         ctx->eapol_send_ctx = wpa_s;
 593         ctx->preauth = 0;
 594         ctx->eapol_done_cb = eapol_test_eapol_done_cb;
 595         ctx->eapol_send = eapol_test_eapol_send;
 596         ctx->set_config_blob = eapol_test_set_config_blob;
 597         ctx->get_config_blob = eapol_test_get_config_blob;
 598         ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
 599         ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
 600         ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
 601         ctx->openssl_ciphers = wpa_s->conf->openssl_ciphers;
 602         ctx->eap_param_needed = eapol_test_eap_param_needed;
 603         ctx->cert_cb = eapol_test_cert_cb;
 604         ctx->cert_in_cb = 1;
 605         ctx->set_anon_id = eapol_test_set_anon_id;
 606
 607         wpa_s->eapol = eapol_sm_init(ctx);
 608         if (wpa_s->eapol == NULL) {
 609                 os_free(ctx);
 610                 printf("Failed to initialize EAPOL state machines.\n");
 611                 return -1;
 612         }
 613
 614         wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_NO_WPA;
 615         wctx = os_zalloc(sizeof(*wctx));
 616         if (wctx == NULL) {
 617                 os_free(ctx);
 618                 return -1;
 619         }
 620         wctx->ctx = e;
 621         wctx->msg_ctx = wpa_s;
 622         wctx->get_state = eapol_test_get_state;
 623         wpa_s->wpa = wpa_sm_init(wctx);
 624         if (!wpa_s->wpa) {
 625                 os_free(ctx);
 626                 os_free(wctx);
 627                 return -1;
 628         }
 629
 630         if (!ssid)
 631                 return 0;
 632
 633         wpa_s->current_ssid = ssid;
 634         os_memset(&eapol_conf, 0, sizeof(eapol_conf));
 635         eapol_conf.accept_802_1x_keys = 1;
 636         eapol_conf.required_keys = 0;
 637         eapol_conf.fast_reauth = wpa_s->conf->fast_reauth;
 638         eapol_conf.workaround = ssid->eap_workaround;
 639         eapol_conf.external_sim = wpa_s->conf->external_sim;
 640         eapol_sm_notify_config(wpa_s->eapol, &ssid->eap, &eapol_conf);
 641         eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
 642
 643
 644         eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
 645         /* 802.1X::portControl = Auto */
 646         eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
 647
 648         return 0;
 649 }
 650
 651
 652 static void test_eapol_clean(struct eapol_test_data *e,
 653                              struct wpa_supplicant *wpa_s)
 654 {
 655         struct extra_radius_attr *p, *prev;
 656
 657         wpa_sm_deinit(wpa_s->wpa);
 658         wpa_s->wpa = NULL;
 659         radius_client_deinit(e->radius);
 660         wpabuf_free(e->last_eap_radius);
 661         radius_msg_free(e->last_recv_radius);
 662         e->last_recv_radius = NULL;
 663         os_free(e->eap_identity);
 664         e->eap_identity = NULL;
 665         eapol_sm_deinit(wpa_s->eapol);
 666         wpa_s->eapol = NULL;
 667         if (e->radius_conf && e->radius_conf->auth_server) {
 668                 os_free(e->radius_conf->auth_server->shared_secret);
 669                 os_free(e->radius_conf->auth_server);
 670         }
 671         os_free(e->radius_conf);
 672         e->radius_conf = NULL;
 673         scard_deinit(wpa_s->scard);
 674         if (wpa_s->ctrl_iface) {
 675                 wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface);
 676                 wpa_s->ctrl_iface = NULL;
 677         }
 678
 679         ext_password_deinit(wpa_s->ext_pw);
 680         wpa_s->ext_pw = NULL;
 681
 682         wpa_config_free(wpa_s->conf);
 683
 684         p = e->extra_attrs;
 685         while (p) {
 686                 prev = p;
 687                 p = p->next;
 688                 os_free(prev);
 689         }
 690 }
 691
 692
 693 static void send_eap_request_identity(void *eloop_ctx, void *timeout_ctx)
 694 {
 695         struct wpa_supplicant *wpa_s = eloop_ctx;
 696         u8 buf[100], *pos;
 697         struct ieee802_1x_hdr *hdr;
 698         struct eap_hdr *eap;
 699
 700         hdr = (struct ieee802_1x_hdr *) buf;
 701         hdr->version = EAPOL_VERSION;
 702         hdr->type = IEEE802_1X_TYPE_EAP_PACKET;
 703         hdr->length = htons(5);
 704
 705         eap = (struct eap_hdr *) (hdr + 1);
 706         eap->code = EAP_CODE_REQUEST;
 707         eap->identifier = 0;
 708         eap->length = htons(5);
 709         pos = (u8 *) (eap + 1);
 710         *pos = EAP_TYPE_IDENTITY;
 711
 712         printf("Sending fake EAP-Request-Identity\n");
 713         eapol_sm_rx_eapol(wpa_s->eapol, wpa_s->bssid, buf,
 714                           sizeof(*hdr) + 5);
 715 }
 716
 717
 718 static void eapol_test_timeout(void *eloop_ctx, void *timeout_ctx)
 719 {
 720         struct eapol_test_data *e = eloop_ctx;
 721         printf("EAPOL test timed out\n");
 722         e->auth_timed_out = 1;
 723         eloop_terminate();
 724 }
 725
 726
 727 static char *eap_type_text(u8 type)
 728 {
 729         switch (type) {
 730         case EAP_TYPE_IDENTITY: return "Identity";
 731         case EAP_TYPE_NOTIFICATION: return "Notification";
 732         case EAP_TYPE_NAK: return "Nak";
 733         case EAP_TYPE_TLS: return "TLS";
 734         case EAP_TYPE_TTLS: return "TTLS";
 735         case EAP_TYPE_PEAP: return "PEAP";
 736         case EAP_TYPE_SIM: return "SIM";
 737         case EAP_TYPE_GTC: return "GTC";
 738         case EAP_TYPE_MD5: return "MD5";
 739         case EAP_TYPE_OTP: return "OTP";
 740         case EAP_TYPE_FAST: return "FAST";
 741         case EAP_TYPE_SAKE: return "SAKE";
 742         case EAP_TYPE_PSK: return "PSK";
 743         default: return "Unknown";
 744         }
 745 }
 746
 747
 748 static void ieee802_1x_decapsulate_radius(struct eapol_test_data *e)
 749 {
 750         struct wpabuf *eap;
 751         const struct eap_hdr *hdr;
 752         int eap_type = -1;
 753         char buf[64];
 754         struct radius_msg *msg;
 755
 756         if (e->last_recv_radius == NULL)
 757                 return;
 758
 759         msg = e->last_recv_radius;
 760
 761         eap = radius_msg_get_eap(msg);
 762         if (eap == NULL) {
 763                 /* draft-aboba-radius-rfc2869bis-20.txt, Chap. 2.6.3:
 764                  * RADIUS server SHOULD NOT send Access-Reject/no EAP-Message
 765                  * attribute */
 766                 wpa_printf(MSG_DEBUG, "could not extract "
 767                                "EAP-Message from RADIUS message");
 768                 wpabuf_free(e->last_eap_radius);
 769                 e->last_eap_radius = NULL;
 770                 return;
 771         }
 772
 773         if (wpabuf_len(eap) < sizeof(*hdr)) {
 774                 wpa_printf(MSG_DEBUG, "too short EAP packet "
 775                                "received from authentication server");
 776                 wpabuf_free(eap);
 777                 return;
 778         }
 779
 780         if (wpabuf_len(eap) > sizeof(*hdr))
 781                 eap_type = (wpabuf_head_u8(eap))[sizeof(*hdr)];
 782
 783         hdr = wpabuf_head(eap);
 784         switch (hdr->code) {
 785         case EAP_CODE_REQUEST:
 786                 os_snprintf(buf, sizeof(buf), "EAP-Request-%s (%d)",
 787                             eap_type >= 0 ? eap_type_text(eap_type) : "??",
 788                             eap_type);
 789                 break;
 790         case EAP_CODE_RESPONSE:
 791                 os_snprintf(buf, sizeof(buf), "EAP Response-%s (%d)",
 792                             eap_type >= 0 ? eap_type_text(eap_type) : "??",
 793                             eap_type);
 794                 break;
 795         case EAP_CODE_SUCCESS:
 796                 os_strlcpy(buf, "EAP Success", sizeof(buf));
 797                 /* LEAP uses EAP Success within an authentication, so must not
 798                  * stop here with eloop_terminate(); */
 799                 break;
 800         case EAP_CODE_FAILURE:
 801                 os_strlcpy(buf, "EAP Failure", sizeof(buf));
 802                 if (e->ctrl_iface)
 803                         break;
 804                 eloop_terminate();
 805                 break;
 806         default:
 807                 os_strlcpy(buf, "unknown EAP code", sizeof(buf));
 808                 wpa_hexdump_buf(MSG_DEBUG, "Decapsulated EAP packet", eap);
 809                 break;
 810         }
 811         wpa_printf(MSG_DEBUG, "decapsulated EAP packet (code=%d "
 812                        "id=%d len=%d) from RADIUS server: %s",
 813                       hdr->code, hdr->identifier, ntohs(hdr->length), buf);
 814
 815         /* sta->eapol_sm->be_auth.idFromServer = hdr->identifier; */
 816
 817         wpabuf_free(e->last_eap_radius);
 818         e->last_eap_radius = eap;
 819
 820         {
 821                 struct ieee802_1x_hdr *dot1x;
 822                 dot1x = os_malloc(sizeof(*dot1x) + wpabuf_len(eap));
 823                 assert(dot1x != NULL);
 824                 dot1x->version = EAPOL_VERSION;
 825                 dot1x->type = IEEE802_1X_TYPE_EAP_PACKET;
 826                 dot1x->length = htons(wpabuf_len(eap));
 827                 os_memcpy((u8 *) (dot1x + 1), wpabuf_head(eap),
 828                           wpabuf_len(eap));
 829                 eapol_sm_rx_eapol(e->wpa_s->eapol, e->wpa_s->bssid,
 830                                   (u8 *) dot1x,
 831                                   sizeof(*dot1x) + wpabuf_len(eap));
 832                 os_free(dot1x);
 833         }
 834 }
 835
 836
 837 static void ieee802_1x_get_keys(struct eapol_test_data *e,
 838                                 struct radius_msg *msg, struct radius_msg *req,
 839                                 const u8 *shared_secret,
 840                                 size_t shared_secret_len)
 841 {
 842         struct radius_ms_mppe_keys *keys;
 843         u8 *buf;
 844         size_t len;
 845
 846         keys = radius_msg_get_ms_keys(msg, req, shared_secret,
 847                                       shared_secret_len);
 848         if (keys && keys->send == NULL && keys->recv == NULL) {
 849                 os_free(keys);
 850                 keys = radius_msg_get_cisco_keys(msg, req, shared_secret,
 851                                                  shared_secret_len);
 852         }
 853
 854         if (keys) {
 855                 if (keys->send) {
 856                         wpa_hexdump(MSG_DEBUG, "MS-MPPE-Send-Key (sign)",
 857                                     keys->send, keys->send_len);
 858                 }
 859                 if (keys->recv) {
 860                         wpa_hexdump(MSG_DEBUG, "MS-MPPE-Recv-Key (crypt)",
 861                                     keys->recv, keys->recv_len);
 862                         e->authenticator_pmk_len =
 863                                 keys->recv_len > PMK_LEN ? PMK_LEN :
 864                                 keys->recv_len;
 865                         os_memcpy(e->authenticator_pmk, keys->recv,
 866                                   e->authenticator_pmk_len);
 867                         if (e->authenticator_pmk_len == 16 && keys->send &&
 868                             keys->send_len == 16) {
 869                                 /* MS-CHAP-v2 derives 16 octet keys */
 870                                 wpa_printf(MSG_DEBUG, "Use MS-MPPE-Send-Key "
 871                                            "to extend PMK to 32 octets");
 872                                 os_memcpy(e->authenticator_pmk +
 873                                           e->authenticator_pmk_len,
 874                                           keys->send, keys->send_len);
 875                                 e->authenticator_pmk_len += keys->send_len;
 876                         }
 877                 }
 878
 879                 os_free(keys->send);
 880                 os_free(keys->recv);
 881                 os_free(keys);
 882         }
 883
 884         if (radius_msg_get_attr_ptr(msg, RADIUS_ATTR_EAP_KEY_NAME, &buf, &len,
 885                                     NULL) == 0) {
 886                 os_memcpy(e->authenticator_eap_key_name, buf, len);
 887                 e->authenticator_eap_key_name_len = len;
 888         } else {
 889                 e->authenticator_eap_key_name_len = 0;
 890         }
 891 }
 892
 893
 894 /* Process the RADIUS frames from Authentication Server */
 895 static RadiusRxResult
 896 ieee802_1x_receive_auth(struct radius_msg *msg, struct radius_msg *req,
 897                         const u8 *shared_secret, size_t shared_secret_len,
 898                         void *data)
 899 {
 900         struct eapol_test_data *e = data;
 901         struct radius_hdr *hdr = radius_msg_get_hdr(msg);
 902
 903         /* RFC 2869, Ch. 5.13: valid Message-Authenticator attribute MUST be
 904          * present when packet contains an EAP-Message attribute */
 905         if (hdr->code == RADIUS_CODE_ACCESS_REJECT &&
 906             radius_msg_get_attr(msg, RADIUS_ATTR_MESSAGE_AUTHENTICATOR, NULL,
 907                                 0) < 0 &&
 908             radius_msg_get_attr(msg, RADIUS_ATTR_EAP_MESSAGE, NULL, 0) < 0) {
 909                 wpa_printf(MSG_DEBUG, "Allowing RADIUS "
 910                               "Access-Reject without Message-Authenticator "
 911                               "since it does not include EAP-Message\n");
 912         } else if (radius_msg_verify(msg, shared_secret, shared_secret_len,
 913                                      req, 1)) {
 914                 printf("Incoming RADIUS packet did not have correct "
 915                        "Message-Authenticator - dropped\n");
 916                 return RADIUS_RX_UNKNOWN;
 917         }
 918
 919         if (hdr->code != RADIUS_CODE_ACCESS_ACCEPT &&
 920             hdr->code != RADIUS_CODE_ACCESS_REJECT &&
 921             hdr->code != RADIUS_CODE_ACCESS_CHALLENGE) {
 922                 printf("Unknown RADIUS message code\n");
 923                 return RADIUS_RX_UNKNOWN;
 924         }
 925
 926         e->radius_identifier = -1;
 927         wpa_printf(MSG_DEBUG, "RADIUS packet matching with station");
 928
 929         radius_msg_free(e->last_recv_radius);
 930         e->last_recv_radius = msg;
 931
 932         switch (hdr->code) {
 933         case RADIUS_CODE_ACCESS_ACCEPT:
 934                 e->radius_access_accept_received = 1;
 935                 ieee802_1x_get_keys(e, msg, req, shared_secret,
 936                                     shared_secret_len);
 937                 break;
 938         case RADIUS_CODE_ACCESS_REJECT:
 939                 e->radius_access_reject_received = 1;
 940                 break;
 941         }
 942
 943         ieee802_1x_decapsulate_radius(e);
 944
 945         if ((hdr->code == RADIUS_CODE_ACCESS_ACCEPT &&
 946              e->eapol_test_num_reauths < 0) ||
 947             hdr->code == RADIUS_CODE_ACCESS_REJECT) {
 948                 if (!e->ctrl_iface)
 949                         eloop_terminate();
 950         }
 951
 952         return RADIUS_RX_QUEUED;
 953 }
 954
 955
 956 static int driver_get_ssid(void *priv, u8 *ssid)
 957 {
 958         ssid[0] = 0;
 959         return 0;
 960 }
 961
 962
 963 static int driver_get_bssid(void *priv, u8 *bssid)
 964 {
 965         struct eapol_test_data *e = priv;
 966
 967         if (e->ctrl_iface && !e->id_req_sent) {
 968                 eloop_register_timeout(0, 0, send_eap_request_identity,
 969                                        e->wpa_s, NULL);
 970                 e->id_req_sent = 1;
 971         }
 972
 973         os_memset(bssid, 0, ETH_ALEN);
 974         bssid[5] = 1;
 975         return 0;
 976 }
 977
 978
 979 static int driver_get_capa(void *priv, struct wpa_driver_capa *capa)
 980 {
 981         os_memset(capa, 0, sizeof(*capa));
 982         capa->flags = WPA_DRIVER_FLAGS_WIRED;
 983         return 0;
 984 }
 985
 986
 987 struct wpa_driver_ops eapol_test_drv_ops = {
 988         .name = "test",
 989         .get_ssid = driver_get_ssid,
 990         .get_bssid = driver_get_bssid,
 991         .get_capa = driver_get_capa,
 992 };
 993
 994 static void wpa_init_conf(struct eapol_test_data *e,
 995                           struct wpa_supplicant *wpa_s, const char *authsrv,
 996                           int port, const char *secret,
 997                           const char *cli_addr, const char *ifname)
 998 {
 999         struct hostapd_radius_server *as;
1000         int res;
1001
1002         wpa_s->driver = &eapol_test_drv_ops;
1003         wpa_s->drv_priv = e;
1004         wpa_s->bssid[5] = 1;
1005         os_memcpy(wpa_s->own_addr, e->own_addr, ETH_ALEN);
1006         e->own_ip_addr.s_addr = htonl((127 << 24) | 1);
1007         os_strlcpy(wpa_s->ifname, ifname, sizeof(wpa_s->ifname));
1008
1009         e->radius_conf = os_zalloc(sizeof(struct hostapd_radius_servers));
1010         assert(e->radius_conf != NULL);
1011         e->radius_conf->num_auth_servers = 1;
1012         as = os_zalloc(sizeof(struct hostapd_radius_server));
1013         assert(as != NULL);
1014 #if defined(CONFIG_NATIVE_WINDOWS) || defined(CONFIG_ANSI_C_EXTRA)
1015         {
1016                 int a[4];
1017                 u8 *pos;
1018                 sscanf(authsrv, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3]);
1019                 pos = (u8 *) &as->addr.u.v4;
1020                 *pos++ = a[0];
1021                 *pos++ = a[1];
1022                 *pos++ = a[2];
1023                 *pos++ = a[3];
1024         }
1025 #else /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
1026         if (hostapd_parse_ip_addr(authsrv, &as->addr) < 0) {
1027                 wpa_printf(MSG_ERROR, "Invalid IP address '%s'",
1028                            authsrv);
1029                 assert(0);
1030         }
1031 #endif /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
1032         as->port = port;
1033         as->shared_secret = (u8 *) os_strdup(secret);
1034         as->shared_secret_len = os_strlen(secret);
1035         e->radius_conf->auth_server = as;
1036         e->radius_conf->auth_servers = as;
1037         e->radius_conf->msg_dumps = 1;
1038         if (cli_addr) {
1039                 if (hostapd_parse_ip_addr(cli_addr,
1040                                           &e->radius_conf->client_addr) == 0)
1041                         e->radius_conf->force_client_addr = 1;
1042                 else {
1043                         wpa_printf(MSG_ERROR, "Invalid IP address '%s'",
1044                                    cli_addr);
1045                         assert(0);
1046                 }
1047         }
1048
1049         e->radius = radius_client_init(wpa_s, e->radius_conf);
1050         assert(e->radius != NULL);
1051
1052         res = radius_client_register(e->radius, RADIUS_AUTH,
1053                                      ieee802_1x_receive_auth, e);
1054         assert(res == 0);
1055 }
1056
1057
1058 static int scard_test(struct eapol_test_data *e)
1059 {
1060         struct scard_data *scard;
1061         size_t len;
1062         char imsi[20];
1063         unsigned char _rand[16];
1064 #ifdef PCSC_FUNCS
1065         unsigned char sres[4];
1066         unsigned char kc[8];
1067 #endif /* PCSC_FUNCS */
1068 #define num_triplets 5
1069         unsigned char rand_[num_triplets][16];
1070         unsigned char sres_[num_triplets][4];
1071         unsigned char kc_[num_triplets][8];
1072         int i, res;
1073         size_t j;
1074
1075 #define AKA_RAND_LEN 16
1076 #define AKA_AUTN_LEN 16
1077 #define AKA_AUTS_LEN 14
1078 #define RES_MAX_LEN 16
1079 #define IK_LEN 16
1080 #define CK_LEN 16
1081         unsigned char aka_rand[AKA_RAND_LEN];
1082         unsigned char aka_autn[AKA_AUTN_LEN];
1083         unsigned char aka_auts[AKA_AUTS_LEN];
1084         unsigned char aka_res[RES_MAX_LEN];
1085         size_t aka_res_len;
1086         unsigned char aka_ik[IK_LEN];
1087         unsigned char aka_ck[CK_LEN];
1088
1089         scard = scard_init(e->pcsc_reader);
1090         if (scard == NULL)
1091                 return -1;
1092         if (scard_set_pin(scard, e->pcsc_pin)) {
1093                 wpa_printf(MSG_WARNING, "PIN validation failed");
1094                 scard_deinit(scard);
1095                 return -1;
1096         }
1097
1098         len = sizeof(imsi);
1099         if (scard_get_imsi(scard, imsi, &len))
1100                 goto failed;
1101         wpa_hexdump_ascii(MSG_DEBUG, "SCARD: IMSI", (u8 *) imsi, len);
1102         /* NOTE: Permanent Username: 1 | IMSI */
1103
1104         wpa_printf(MSG_DEBUG, "SCARD: MNC length %d",
1105                    scard_get_mnc_len(scard));
1106
1107         os_memset(_rand, 0, sizeof(_rand));
1108         if (scard_gsm_auth(scard, _rand, sres, kc))
1109                 goto failed;
1110
1111         os_memset(_rand, 0xff, sizeof(_rand));
1112         if (scard_gsm_auth(scard, _rand, sres, kc))
1113                 goto failed;
1114
1115         for (i = 0; i < num_triplets; i++) {
1116                 os_memset(rand_[i], i, sizeof(rand_[i]));
1117                 if (scard_gsm_auth(scard, rand_[i], sres_[i], kc_[i]))
1118                         goto failed;
1119         }
1120
1121         for (i = 0; i < num_triplets; i++) {
1122                 printf("1");
1123                 for (j = 0; j < len; j++)
1124                         printf("%c", imsi[j]);
1125                 printf(",");
1126                 for (j = 0; j < 16; j++)
1127                         printf("%02X", rand_[i][j]);
1128                 printf(",");
1129                 for (j = 0; j < 4; j++)
1130                         printf("%02X", sres_[i][j]);
1131                 printf(",");
1132                 for (j = 0; j < 8; j++)
1133                         printf("%02X", kc_[i][j]);
1134                 printf("\n");
1135         }
1136
1137         wpa_printf(MSG_DEBUG, "Trying to use UMTS authentication");
1138
1139         /* seq 39 (0x28) */
1140         os_memset(aka_rand, 0xaa, 16);
1141         os_memcpy(aka_autn, "\x86\x71\x31\xcb\xa2\xfc\x61\xdf"
1142                   "\xa3\xb3\x97\x9d\x07\x32\xa2\x12", 16);
1143
1144         res = scard_umts_auth(scard, aka_rand, aka_autn, aka_res, &aka_res_len,
1145                               aka_ik, aka_ck, aka_auts);
1146         if (res == 0) {
1147                 wpa_printf(MSG_DEBUG, "UMTS auth completed successfully");
1148                 wpa_hexdump(MSG_DEBUG, "RES", aka_res, aka_res_len);
1149                 wpa_hexdump(MSG_DEBUG, "IK", aka_ik, IK_LEN);
1150                 wpa_hexdump(MSG_DEBUG, "CK", aka_ck, CK_LEN);
1151         } else if (res == -2) {
1152                 wpa_printf(MSG_DEBUG, "UMTS auth resulted in synchronization "
1153                            "failure");
1154                 wpa_hexdump(MSG_DEBUG, "AUTS", aka_auts, AKA_AUTS_LEN);
1155         } else {
1156                 wpa_printf(MSG_DEBUG, "UMTS auth failed");
1157         }
1158
1159 failed:
1160         scard_deinit(scard);
1161
1162         return 0;
1163 #undef num_triplets
1164 }
1165
1166
1167 static int scard_get_triplets(struct eapol_test_data *e, int argc, char *argv[])
1168 {
1169         struct scard_data *scard;
1170         size_t len;
1171         char imsi[20];
1172         unsigned char _rand[16];
1173         unsigned char sres[4];
1174         unsigned char kc[8];
1175         int num_triplets;
1176         int i;
1177         size_t j;
1178
1179         if (argc < 2 || ((num_triplets = atoi(argv[1])) <= 0)) {
1180                 printf("invalid parameters for sim command\n");
1181                 return -1;
1182         }
1183
1184         if (argc <= 2 || os_strcmp(argv[2], "debug") != 0) {
1185                 /* disable debug output */
1186                 wpa_debug_level = 99;
1187         }
1188
1189         scard = scard_init(e->pcsc_reader);
1190         if (scard == NULL) {
1191                 printf("Failed to open smartcard connection\n");
1192                 return -1;
1193         }
1194         if (scard_set_pin(scard, argv[0])) {
1195                 wpa_printf(MSG_WARNING, "PIN validation failed");
1196                 scard_deinit(scard);
1197                 return -1;
1198         }
1199
1200         len = sizeof(imsi);
1201         if (scard_get_imsi(scard, imsi, &len)) {
1202                 scard_deinit(scard);
1203                 return -1;
1204         }
1205
1206         for (i = 0; i < num_triplets; i++) {
1207                 os_memset(_rand, i, sizeof(_rand));
1208                 if (scard_gsm_auth(scard, _rand, sres, kc))
1209                         break;
1210
1211                 /* IMSI:Kc:SRES:RAND */
1212                 for (j = 0; j < len; j++)
1213                         printf("%c", imsi[j]);
1214                 printf(":");
1215                 for (j = 0; j < 8; j++)
1216                         printf("%02X", kc[j]);
1217                 printf(":");
1218                 for (j = 0; j < 4; j++)
1219                         printf("%02X", sres[j]);
1220                 printf(":");
1221                 for (j = 0; j < 16; j++)
1222                         printf("%02X", _rand[j]);
1223                 printf("\n");
1224         }
1225
1226         scard_deinit(scard);
1227
1228         return 0;
1229 }
1230
1231
1232 static void eapol_test_terminate(int sig, void *signal_ctx)
1233 {
1234         struct wpa_supplicant *wpa_s = signal_ctx;
1235         wpa_msg(wpa_s, MSG_INFO, "Signal %d received - terminating", sig);
1236         eloop_terminate();
1237 }
1238
1239
1240 static void usage(void)
1241 {
1242         printf("usage:\n"
1243                "eapol_test [-enWSv] -c<conf> [-a<AS IP>] [-p<AS port>] "
1244                "[-s<AS secret>]\\\n"
1245                "           [-r<count>] [-t<timeout>] [-C<Connect-Info>] \\\n"
1246                "           [-M<client MAC address>] [-o<server cert file] \\\n"
1247                "           [-N<attr spec>] [-R<PC/SC reader>] "
1248                "[-P<PC/SC PIN>] \\\n"
1249                "           [-A<client IP>] [-i<ifname>] [-T<ctrl_iface>]\n"
1250                "eapol_test scard\n"
1251                "eapol_test sim <PIN> <num triplets> [debug]\n"
1252                "\n");
1253         printf("options:\n"
1254                "  -c<conf> = configuration file\n"
1255                "  -a<AS IP> = IP address of the authentication server, "
1256                "default 127.0.0.1\n"
1257                "  -p<AS port> = UDP port of the authentication server, "
1258                "default 1812\n"
1259                "  -s<AS secret> = shared secret with the authentication "
1260                "server, default 'radius'\n"
1261                "  -A<client IP> = IP address of the client, default: select "
1262                "automatically\n"
1263                "  -r<count> = number of re-authentications\n"
1264                "  -e = Request EAP-Key-Name\n"
1265                "  -W = wait for a control interface monitor before starting\n"
1266                "  -S = save configuration after authentication\n"
1267                "  -n = no MPPE keys expected\n"
1268                "  -v = show version\n"
1269                "  -t<timeout> = sets timeout in seconds (default: 30 s)\n"
1270                "  -C<Connect-Info> = RADIUS Connect-Info (default: "
1271                "CONNECT 11Mbps 802.11b)\n"
1272                "  -M<client MAC address> = Set own MAC address "
1273                "(Calling-Station-Id,\n"
1274                "                           default: 02:00:00:00:00:01)\n"
1275                "  -o<server cert file> = Write received server certificate\n"
1276                "                         chain to the specified file\n"
1277                "  -N<attr spec> = send arbitrary attribute specified by:\n"
1278                "                  attr_id:syntax:value or attr_id\n"
1279                "                  attr_id - number id of the attribute\n"
1280                "                  syntax - one of: s, d, x\n"
1281                "                     s = string\n"
1282                "                     d = integer\n"
1283                "                     x = octet string\n"
1284                "                  value - attribute value.\n"
1285                "       When only attr_id is specified, NULL will be used as "
1286                "value.\n"
1287                "       Multiple attributes can be specified by using the "
1288                "option several times.\n");
1289 }
1290
1291
1292 int main(int argc, char *argv[])
1293 {
1294         struct wpa_global global;
1295         struct wpa_supplicant wpa_s;
1296         int c, ret = 1, wait_for_monitor = 0, save_config = 0;
1297         char *as_addr = "127.0.0.1";
1298         int as_port = 1812;
1299         char *as_secret = "radius";
1300         char *cli_addr = NULL;
1301         char *conf = NULL;
1302         int timeout = 30;
1303         char *pos;
1304         struct extra_radius_attr *p = NULL, *p1;
1305         const char *ifname = "test";
1306         const char *ctrl_iface = NULL;
1307
1308         if (os_program_init())
1309                 return -1;
1310
1311         hostapd_logger_register_cb(hostapd_logger_cb);
1312
1313         os_memset(&eapol_test, 0, sizeof(eapol_test));
1314         eapol_test.connect_info = "CONNECT 11Mbps 802.11b";
1315         os_memcpy(eapol_test.own_addr, "\x02\x00\x00\x00\x00\x01", ETH_ALEN);
1316         eapol_test.pcsc_pin = "1234";
1317
1318         wpa_debug_level = 0;
1319         wpa_debug_show_keys = 1;
1320
1321         for (;;) {
1322                 c = getopt(argc, argv, "a:A:c:C:ei:M:nN:o:p:P:r:R:s:St:T:vW");
1323                 if (c < 0)
1324                         break;
1325                 switch (c) {
1326                 case 'a':
1327                         as_addr = optarg;
1328                         break;
1329                 case 'A':
1330                         cli_addr = optarg;
1331                         break;
1332                 case 'c':
1333                         conf = optarg;
1334                         break;
1335                 case 'C':
1336                         eapol_test.connect_info = optarg;
1337                         break;
1338                 case 'e':
1339                         eapol_test.req_eap_key_name = 1;
1340                         break;
1341                 case 'i':
1342                         ifname = optarg;
1343                         break;
1344                 case 'M':
1345                         if (hwaddr_aton(optarg, eapol_test.own_addr)) {
1346                                 usage();
1347                                 return -1;
1348                         }
1349                         break;
1350                 case 'n':
1351                         eapol_test.no_mppe_keys++;
1352                         break;
1353                 case 'o':
1354                         if (eapol_test.server_cert_file)
1355                                 fclose(eapol_test.server_cert_file);
1356                         eapol_test.server_cert_file = fopen(optarg, "w");
1357                         if (eapol_test.server_cert_file == NULL) {
1358                                 printf("Could not open '%s' for writing\n",
1359                                        optarg);
1360                                 return -1;
1361                         }
1362                         break;
1363                 case 'p':
1364                         as_port = atoi(optarg);
1365                         break;
1366                 case 'P':
1367                         eapol_test.pcsc_pin = optarg;
1368                         break;
1369                 case 'r':
1370                         eapol_test.eapol_test_num_reauths = atoi(optarg);
1371                         break;
1372                 case 'R':
1373                         eapol_test.pcsc_reader = optarg;
1374                         break;
1375                 case 's':
1376                         as_secret = optarg;
1377                         break;
1378                 case 'S':
1379                         save_config++;
1380                         break;
1381                 case 't':
1382                         timeout = atoi(optarg);
1383                         break;
1384                 case 'T':
1385                         ctrl_iface = optarg;
1386                         eapol_test.ctrl_iface = 1;
1387                         break;
1388                 case 'v':
1389                         printf("eapol_test v" VERSION_STR "\n");
1390                         return 0;
1391                 case 'W':
1392                         wait_for_monitor++;
1393                         break;
1394                 case 'N':
1395                         p1 = os_zalloc(sizeof(*p1));
1396                         if (p1 == NULL)
1397                                 break;
1398                         if (!p)
1399                                 eapol_test.extra_attrs = p1;
1400                         else
1401                                 p->next = p1;
1402                         p = p1;
1403
1404                         p->type = atoi(optarg);
1405                         pos = os_strchr(optarg, ':');
1406                         if (pos == NULL) {
1407                                 p->syntax = 'n';
1408                                 p->data = NULL;
1409                                 break;
1410                         }
1411
1412                         pos++;
1413                         if (pos[0] == '\0' || pos[1] != ':') {
1414                                 printf("Incorrect format of attribute "
1415                                        "specification\n");
1416                                 break;
1417                         }
1418
1419                         p->syntax = pos[0];
1420                         p->data = pos + 2;
1421                         break;
1422                 default:
1423                         usage();
1424                         return -1;
1425                 }
1426         }
1427
1428         if (argc > optind && os_strcmp(argv[optind], "scard") == 0) {
1429                 return scard_test(&eapol_test);
1430         }
1431
1432         if (argc > optind && os_strcmp(argv[optind], "sim") == 0) {
1433                 return scard_get_triplets(&eapol_test, argc - optind - 1,
1434                                           &argv[optind + 1]);
1435         }
1436
1437         if (conf == NULL && !ctrl_iface) {
1438                 usage();
1439                 printf("Configuration file is required.\n");
1440                 return -1;
1441         }
1442
1443         if (eap_register_methods()) {
1444                 wpa_printf(MSG_ERROR, "Failed to register EAP methods");
1445                 return -1;
1446         }
1447
1448         if (eloop_init()) {
1449                 wpa_printf(MSG_ERROR, "Failed to initialize event loop");
1450                 return -1;
1451         }
1452
1453         os_memset(&global, 0, sizeof(global));
1454         os_memset(&wpa_s, 0, sizeof(wpa_s));
1455         wpa_s.global = &global;
1456         eapol_test.wpa_s = &wpa_s;
1457         dl_list_init(&wpa_s.bss);
1458         dl_list_init(&wpa_s.bss_id);
1459         if (conf)
1460                 wpa_s.conf = wpa_config_read(conf, NULL);
1461         else
1462                 wpa_s.conf = wpa_config_alloc_empty(ctrl_iface, NULL);
1463         if (wpa_s.conf == NULL) {
1464                 printf("Failed to parse configuration file '%s'.\n", conf);
1465                 return -1;
1466         }
1467         if (!ctrl_iface && wpa_s.conf->ssid == NULL) {
1468                 printf("No networks defined.\n");
1469                 return -1;
1470         }
1471
1472         if (eapol_test.pcsc_reader) {
1473                 os_free(wpa_s.conf->pcsc_reader);
1474                 wpa_s.conf->pcsc_reader = os_strdup(eapol_test.pcsc_reader);
1475         }
1476
1477         wpa_init_conf(&eapol_test, &wpa_s, as_addr, as_port, as_secret,
1478                       cli_addr, ifname);
1479         wpa_s.ctrl_iface = wpa_supplicant_ctrl_iface_init(&wpa_s);
1480         if (wpa_s.ctrl_iface == NULL) {
1481                 printf("Failed to initialize control interface '%s'.\n"
1482                        "You may have another eapol_test process already "
1483                        "running or the file was\n"
1484                        "left by an unclean termination of eapol_test in "
1485                        "which case you will need\n"
1486                        "to manually remove this file before starting "
1487                        "eapol_test again.\n",
1488                        wpa_s.conf->ctrl_interface);
1489                 return -1;
1490         }
1491         if (wpa_s.conf->ssid &&
1492             wpa_supplicant_scard_init(&wpa_s, wpa_s.conf->ssid))
1493                 return -1;
1494
1495         if (test_eapol(&eapol_test, &wpa_s, wpa_s.conf->ssid))
1496                 return -1;
1497
1498         if (wpas_init_ext_pw(&wpa_s) < 0)
1499                 return -1;
1500
1501         if (wait_for_monitor)
1502                 wpa_supplicant_ctrl_iface_wait(wpa_s.ctrl_iface);
1503
1504         if (!ctrl_iface) {
1505                 eloop_register_timeout(timeout, 0, eapol_test_timeout,
1506                                        &eapol_test, NULL);
1507                 eloop_register_timeout(0, 0, send_eap_request_identity, &wpa_s,
1508                                        NULL);
1509         }
1510         eloop_register_signal_terminate(eapol_test_terminate, &wpa_s);
1511         eloop_register_signal_reconfig(eapol_test_terminate, &wpa_s);
1512         eloop_run();
1513
1514         eloop_cancel_timeout(eapol_test_timeout, &eapol_test, NULL);
1515         eloop_cancel_timeout(eapol_sm_reauth, &eapol_test, NULL);
1516
1517         if (eapol_test_compare_pmk(&eapol_test) == 0 ||
1518             eapol_test.no_mppe_keys)
1519                 ret = 0;
1520         if (eapol_test.auth_timed_out)
1521                 ret = -2;
1522         if (eapol_test.radius_access_reject_received)
1523                 ret = -3;
1524
1525         if (save_config)
1526                 wpa_config_write(conf, wpa_s.conf);
1527
1528         test_eapol_clean(&eapol_test, &wpa_s);
1529
1530         eap_peer_unregister_methods();
1531 #ifdef CONFIG_AP
1532         eap_server_unregister_methods();
1533 #endif /* CONFIG_AP */
1534
1535         eloop_destroy();
1536
1537         if (eapol_test.server_cert_file)
1538                 fclose(eapol_test.server_cert_file);
1539
1540         printf("MPPE keys OK: %d  mismatch: %d\n",
1541                eapol_test.num_mppe_ok, eapol_test.num_mppe_mismatch);
1542         if (eapol_test.num_mppe_mismatch)
1543                 ret = -4;
1544         if (ret)
1545                 printf("FAILURE\n");
1546         else
1547                 printf("SUCCESS\n");
1548
1549         os_program_deinit();
1550
1551         return ret;
1552 }