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