eapol_test: Add PC/SC reader and PIN command line arguments
[mech_eap.git] / 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         inet_aton(authsrv, &as->addr.u.v4);
932 #endif /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
933         as->addr.af = AF_INET;
934         as->port = port;
935         as->shared_secret = (u8 *) os_strdup(secret);
936         as->shared_secret_len = os_strlen(secret);
937         e->radius_conf->auth_server = as;
938         e->radius_conf->auth_servers = as;
939         e->radius_conf->msg_dumps = 1;
940         if (cli_addr) {
941                 if (hostapd_parse_ip_addr(cli_addr,
942                                           &e->radius_conf->client_addr) == 0)
943                         e->radius_conf->force_client_addr = 1;
944                 else {
945                         wpa_printf(MSG_ERROR, "Invalid IP address '%s'",
946                                    cli_addr);
947                         assert(0);
948                 }
949         }
950
951         e->radius = radius_client_init(wpa_s, e->radius_conf);
952         assert(e->radius != NULL);
953
954         res = radius_client_register(e->radius, RADIUS_AUTH,
955                                      ieee802_1x_receive_auth, e);
956         assert(res == 0);
957 }
958
959
960 static int scard_test(struct eapol_test_data *e)
961 {
962         struct scard_data *scard;
963         size_t len;
964         char imsi[20];
965         unsigned char _rand[16];
966 #ifdef PCSC_FUNCS
967         unsigned char sres[4];
968         unsigned char kc[8];
969 #endif /* PCSC_FUNCS */
970 #define num_triplets 5
971         unsigned char rand_[num_triplets][16];
972         unsigned char sres_[num_triplets][4];
973         unsigned char kc_[num_triplets][8];
974         int i, res;
975         size_t j;
976
977 #define AKA_RAND_LEN 16
978 #define AKA_AUTN_LEN 16
979 #define AKA_AUTS_LEN 14
980 #define RES_MAX_LEN 16
981 #define IK_LEN 16
982 #define CK_LEN 16
983         unsigned char aka_rand[AKA_RAND_LEN];
984         unsigned char aka_autn[AKA_AUTN_LEN];
985         unsigned char aka_auts[AKA_AUTS_LEN];
986         unsigned char aka_res[RES_MAX_LEN];
987         size_t aka_res_len;
988         unsigned char aka_ik[IK_LEN];
989         unsigned char aka_ck[CK_LEN];
990
991         scard = scard_init(e->pcsc_reader);
992         if (scard == NULL)
993                 return -1;
994         if (scard_set_pin(scard, e->pcsc_pin)) {
995                 wpa_printf(MSG_WARNING, "PIN validation failed");
996                 scard_deinit(scard);
997                 return -1;
998         }
999
1000         len = sizeof(imsi);
1001         if (scard_get_imsi(scard, imsi, &len))
1002                 goto failed;
1003         wpa_hexdump_ascii(MSG_DEBUG, "SCARD: IMSI", (u8 *) imsi, len);
1004         /* NOTE: Permanent Username: 1 | IMSI */
1005
1006         wpa_printf(MSG_DEBUG, "SCARD: MNC length %d",
1007                    scard_get_mnc_len(scard));
1008
1009         os_memset(_rand, 0, sizeof(_rand));
1010         if (scard_gsm_auth(scard, _rand, sres, kc))
1011                 goto failed;
1012
1013         os_memset(_rand, 0xff, sizeof(_rand));
1014         if (scard_gsm_auth(scard, _rand, sres, kc))
1015                 goto failed;
1016
1017         for (i = 0; i < num_triplets; i++) {
1018                 os_memset(rand_[i], i, sizeof(rand_[i]));
1019                 if (scard_gsm_auth(scard, rand_[i], sres_[i], kc_[i]))
1020                         goto failed;
1021         }
1022
1023         for (i = 0; i < num_triplets; i++) {
1024                 printf("1");
1025                 for (j = 0; j < len; j++)
1026                         printf("%c", imsi[j]);
1027                 printf(",");
1028                 for (j = 0; j < 16; j++)
1029                         printf("%02X", rand_[i][j]);
1030                 printf(",");
1031                 for (j = 0; j < 4; j++)
1032                         printf("%02X", sres_[i][j]);
1033                 printf(",");
1034                 for (j = 0; j < 8; j++)
1035                         printf("%02X", kc_[i][j]);
1036                 printf("\n");
1037         }
1038
1039         wpa_printf(MSG_DEBUG, "Trying to use UMTS authentication");
1040
1041         /* seq 39 (0x28) */
1042         os_memset(aka_rand, 0xaa, 16);
1043         os_memcpy(aka_autn, "\x86\x71\x31\xcb\xa2\xfc\x61\xdf"
1044                   "\xa3\xb3\x97\x9d\x07\x32\xa2\x12", 16);
1045
1046         res = scard_umts_auth(scard, aka_rand, aka_autn, aka_res, &aka_res_len,
1047                               aka_ik, aka_ck, aka_auts);
1048         if (res == 0) {
1049                 wpa_printf(MSG_DEBUG, "UMTS auth completed successfully");
1050                 wpa_hexdump(MSG_DEBUG, "RES", aka_res, aka_res_len);
1051                 wpa_hexdump(MSG_DEBUG, "IK", aka_ik, IK_LEN);
1052                 wpa_hexdump(MSG_DEBUG, "CK", aka_ck, CK_LEN);
1053         } else if (res == -2) {
1054                 wpa_printf(MSG_DEBUG, "UMTS auth resulted in synchronization "
1055                            "failure");
1056                 wpa_hexdump(MSG_DEBUG, "AUTS", aka_auts, AKA_AUTS_LEN);
1057         } else {
1058                 wpa_printf(MSG_DEBUG, "UMTS auth failed");
1059         }
1060
1061 failed:
1062         scard_deinit(scard);
1063
1064         return 0;
1065 #undef num_triplets
1066 }
1067
1068
1069 static int scard_get_triplets(struct eapol_test_data *e, int argc, char *argv[])
1070 {
1071         struct scard_data *scard;
1072         size_t len;
1073         char imsi[20];
1074         unsigned char _rand[16];
1075         unsigned char sres[4];
1076         unsigned char kc[8];
1077         int num_triplets;
1078         int i;
1079         size_t j;
1080
1081         if (argc < 2 || ((num_triplets = atoi(argv[1])) <= 0)) {
1082                 printf("invalid parameters for sim command\n");
1083                 return -1;
1084         }
1085
1086         if (argc <= 2 || os_strcmp(argv[2], "debug") != 0) {
1087                 /* disable debug output */
1088                 wpa_debug_level = 99;
1089         }
1090
1091         scard = scard_init(e->pcsc_reader);
1092         if (scard == NULL) {
1093                 printf("Failed to open smartcard connection\n");
1094                 return -1;
1095         }
1096         if (scard_set_pin(scard, argv[0])) {
1097                 wpa_printf(MSG_WARNING, "PIN validation failed");
1098                 scard_deinit(scard);
1099                 return -1;
1100         }
1101
1102         len = sizeof(imsi);
1103         if (scard_get_imsi(scard, imsi, &len)) {
1104                 scard_deinit(scard);
1105                 return -1;
1106         }
1107
1108         for (i = 0; i < num_triplets; i++) {
1109                 os_memset(_rand, i, sizeof(_rand));
1110                 if (scard_gsm_auth(scard, _rand, sres, kc))
1111                         break;
1112
1113                 /* IMSI:Kc:SRES:RAND */
1114                 for (j = 0; j < len; j++)
1115                         printf("%c", imsi[j]);
1116                 printf(":");
1117                 for (j = 0; j < 8; j++)
1118                         printf("%02X", kc[j]);
1119                 printf(":");
1120                 for (j = 0; j < 4; j++)
1121                         printf("%02X", sres[j]);
1122                 printf(":");
1123                 for (j = 0; j < 16; j++)
1124                         printf("%02X", _rand[j]);
1125                 printf("\n");
1126         }
1127
1128         scard_deinit(scard);
1129
1130         return 0;
1131 }
1132
1133
1134 static void eapol_test_terminate(int sig, void *signal_ctx)
1135 {
1136         struct wpa_supplicant *wpa_s = signal_ctx;
1137         wpa_msg(wpa_s, MSG_INFO, "Signal %d received - terminating", sig);
1138         eloop_terminate();
1139 }
1140
1141
1142 static void usage(void)
1143 {
1144         printf("usage:\n"
1145                "eapol_test [-enWS] -c<conf> [-a<AS IP>] [-p<AS port>] "
1146                "[-s<AS secret>]\\\n"
1147                "           [-r<count>] [-t<timeout>] [-C<Connect-Info>] \\\n"
1148                "           [-M<client MAC address>] [-o<server cert file] \\\n"
1149                "           [-N<attr spec>] [-R<PC/SC reader>] "
1150                "[-P<PC/SC PIN>] \\\n"
1151                "           [-A<client IP>]\n"
1152                "eapol_test scard\n"
1153                "eapol_test sim <PIN> <num triplets> [debug]\n"
1154                "\n");
1155         printf("options:\n"
1156                "  -c<conf> = configuration file\n"
1157                "  -a<AS IP> = IP address of the authentication server, "
1158                "default 127.0.0.1\n"
1159                "  -p<AS port> = UDP port of the authentication server, "
1160                "default 1812\n"
1161                "  -s<AS secret> = shared secret with the authentication "
1162                "server, default 'radius'\n"
1163                "  -A<client IP> = IP address of the client, default: select "
1164                "automatically\n"
1165                "  -r<count> = number of re-authentications\n"
1166                "  -e = Request EAP-Key-Name\n"
1167                "  -W = wait for a control interface monitor before starting\n"
1168                "  -S = save configuration after authentication\n"
1169                "  -n = no MPPE keys expected\n"
1170                "  -t<timeout> = sets timeout in seconds (default: 30 s)\n"
1171                "  -C<Connect-Info> = RADIUS Connect-Info (default: "
1172                "CONNECT 11Mbps 802.11b)\n"
1173                "  -M<client MAC address> = Set own MAC address "
1174                "(Calling-Station-Id,\n"
1175                "                           default: 02:00:00:00:00:01)\n"
1176                "  -o<server cert file> = Write received server certificate\n"
1177                "                         chain to the specified file\n"
1178                "  -N<attr spec> = send arbitrary attribute specified by:\n"
1179                "                  attr_id:syntax:value or attr_id\n"
1180                "                  attr_id - number id of the attribute\n"
1181                "                  syntax - one of: s, d, x\n"
1182                "                     s = string\n"
1183                "                     d = integer\n"
1184                "                     x = octet string\n"
1185                "                  value - attribute value.\n"
1186                "       When only attr_id is specified, NULL will be used as "
1187                "value.\n"
1188                "       Multiple attributes can be specified by using the "
1189                "option several times.\n");
1190 }
1191
1192
1193 int main(int argc, char *argv[])
1194 {
1195         struct wpa_global global;
1196         struct wpa_supplicant wpa_s;
1197         int c, ret = 1, wait_for_monitor = 0, save_config = 0;
1198         char *as_addr = "127.0.0.1";
1199         int as_port = 1812;
1200         char *as_secret = "radius";
1201         char *cli_addr = NULL;
1202         char *conf = NULL;
1203         int timeout = 30;
1204         char *pos;
1205         struct extra_radius_attr *p = NULL, *p1;
1206
1207         if (os_program_init())
1208                 return -1;
1209
1210         hostapd_logger_register_cb(hostapd_logger_cb);
1211
1212         os_memset(&eapol_test, 0, sizeof(eapol_test));
1213         eapol_test.connect_info = "CONNECT 11Mbps 802.11b";
1214         os_memcpy(eapol_test.own_addr, "\x02\x00\x00\x00\x00\x01", ETH_ALEN);
1215         eapol_test.pcsc_pin = "1234";
1216
1217         wpa_debug_level = 0;
1218         wpa_debug_show_keys = 1;
1219
1220         for (;;) {
1221                 c = getopt(argc, argv, "a:A:c:C:eM:nN:o:p:P:r:R:s:St:W");
1222                 if (c < 0)
1223                         break;
1224                 switch (c) {
1225                 case 'a':
1226                         as_addr = optarg;
1227                         break;
1228                 case 'A':
1229                         cli_addr = optarg;
1230                         break;
1231                 case 'c':
1232                         conf = optarg;
1233                         break;
1234                 case 'C':
1235                         eapol_test.connect_info = optarg;
1236                         break;
1237                 case 'e':
1238                         eapol_test.req_eap_key_name = 1;
1239                         break;
1240                 case 'M':
1241                         if (hwaddr_aton(optarg, eapol_test.own_addr)) {
1242                                 usage();
1243                                 return -1;
1244                         }
1245                         break;
1246                 case 'n':
1247                         eapol_test.no_mppe_keys++;
1248                         break;
1249                 case 'o':
1250                         if (eapol_test.server_cert_file)
1251                                 fclose(eapol_test.server_cert_file);
1252                         eapol_test.server_cert_file = fopen(optarg, "w");
1253                         if (eapol_test.server_cert_file == NULL) {
1254                                 printf("Could not open '%s' for writing\n",
1255                                        optarg);
1256                                 return -1;
1257                         }
1258                         break;
1259                 case 'p':
1260                         as_port = atoi(optarg);
1261                         break;
1262                 case 'P':
1263                         eapol_test.pcsc_pin = optarg;
1264                         break;
1265                 case 'r':
1266                         eapol_test.eapol_test_num_reauths = atoi(optarg);
1267                         break;
1268                 case 'R':
1269                         eapol_test.pcsc_reader = optarg;
1270                 case 's':
1271                         as_secret = optarg;
1272                         break;
1273                 case 'S':
1274                         save_config++;
1275                         break;
1276                 case 't':
1277                         timeout = atoi(optarg);
1278                         break;
1279                 case 'W':
1280                         wait_for_monitor++;
1281                         break;
1282                 case 'N':
1283                         p1 = os_zalloc(sizeof(*p1));
1284                         if (p1 == NULL)
1285                                 break;
1286                         if (!p)
1287                                 eapol_test.extra_attrs = p1;
1288                         else
1289                                 p->next = p1;
1290                         p = p1;
1291
1292                         p->type = atoi(optarg);
1293                         pos = os_strchr(optarg, ':');
1294                         if (pos == NULL) {
1295                                 p->syntax = 'n';
1296                                 p->data = NULL;
1297                                 break;
1298                         }
1299
1300                         pos++;
1301                         if (pos[0] == '\0' || pos[1] != ':') {
1302                                 printf("Incorrect format of attribute "
1303                                        "specification\n");
1304                                 break;
1305                         }
1306
1307                         p->syntax = pos[0];
1308                         p->data = pos + 2;
1309                         break;
1310                 default:
1311                         usage();
1312                         return -1;
1313                 }
1314         }
1315
1316         if (argc > optind && os_strcmp(argv[optind], "scard") == 0) {
1317                 return scard_test(&eapol_test);
1318         }
1319
1320         if (argc > optind && os_strcmp(argv[optind], "sim") == 0) {
1321                 return scard_get_triplets(&eapol_test, argc - optind - 1,
1322                                           &argv[optind + 1]);
1323         }
1324
1325         if (conf == NULL) {
1326                 usage();
1327                 printf("Configuration file is required.\n");
1328                 return -1;
1329         }
1330
1331         if (eap_register_methods()) {
1332                 wpa_printf(MSG_ERROR, "Failed to register EAP methods");
1333                 return -1;
1334         }
1335
1336         if (eloop_init()) {
1337                 wpa_printf(MSG_ERROR, "Failed to initialize event loop");
1338                 return -1;
1339         }
1340
1341         os_memset(&global, 0, sizeof(global));
1342         os_memset(&wpa_s, 0, sizeof(wpa_s));
1343         wpa_s.global = &global;
1344         eapol_test.wpa_s = &wpa_s;
1345         dl_list_init(&wpa_s.bss);
1346         dl_list_init(&wpa_s.bss_id);
1347         wpa_s.conf = wpa_config_read(conf, NULL);
1348         if (wpa_s.conf == NULL) {
1349                 printf("Failed to parse configuration file '%s'.\n", conf);
1350                 return -1;
1351         }
1352         if (wpa_s.conf->ssid == NULL) {
1353                 printf("No networks defined.\n");
1354                 return -1;
1355         }
1356
1357         if (eapol_test.pcsc_reader) {
1358                 os_free(wpa_s.conf->pcsc_reader);
1359                 wpa_s.conf->pcsc_reader = os_strdup(eapol_test.pcsc_reader);
1360         }
1361
1362         wpa_init_conf(&eapol_test, &wpa_s, as_addr, as_port, as_secret,
1363                       cli_addr);
1364         wpa_s.ctrl_iface = wpa_supplicant_ctrl_iface_init(&wpa_s);
1365         if (wpa_s.ctrl_iface == NULL) {
1366                 printf("Failed to initialize control interface '%s'.\n"
1367                        "You may have another eapol_test process already "
1368                        "running or the file was\n"
1369                        "left by an unclean termination of eapol_test in "
1370                        "which case you will need\n"
1371                        "to manually remove this file before starting "
1372                        "eapol_test again.\n",
1373                        wpa_s.conf->ctrl_interface);
1374                 return -1;
1375         }
1376         if (wpa_supplicant_scard_init(&wpa_s, wpa_s.conf->ssid))
1377                 return -1;
1378
1379         if (test_eapol(&eapol_test, &wpa_s, wpa_s.conf->ssid))
1380                 return -1;
1381
1382         if (wpas_init_ext_pw(&wpa_s) < 0)
1383                 return -1;
1384
1385         if (wait_for_monitor)
1386                 wpa_supplicant_ctrl_iface_wait(wpa_s.ctrl_iface);
1387
1388         eloop_register_timeout(timeout, 0, eapol_test_timeout, &eapol_test,
1389                                NULL);
1390         eloop_register_timeout(0, 0, send_eap_request_identity, &wpa_s, NULL);
1391         eloop_register_signal_terminate(eapol_test_terminate, &wpa_s);
1392         eloop_register_signal_reconfig(eapol_test_terminate, &wpa_s);
1393         eloop_run();
1394
1395         eloop_cancel_timeout(eapol_test_timeout, &eapol_test, NULL);
1396         eloop_cancel_timeout(eapol_sm_reauth, &eapol_test, NULL);
1397
1398         if (eapol_test_compare_pmk(&eapol_test) == 0 ||
1399             eapol_test.no_mppe_keys)
1400                 ret = 0;
1401         if (eapol_test.auth_timed_out)
1402                 ret = -2;
1403         if (eapol_test.radius_access_reject_received)
1404                 ret = -3;
1405
1406         if (save_config)
1407                 wpa_config_write(conf, wpa_s.conf);
1408
1409         test_eapol_clean(&eapol_test, &wpa_s);
1410
1411         eap_peer_unregister_methods();
1412 #ifdef CONFIG_AP
1413         eap_server_unregister_methods();
1414 #endif /* CONFIG_AP */
1415
1416         eloop_destroy();
1417
1418         if (eapol_test.server_cert_file)
1419                 fclose(eapol_test.server_cert_file);
1420
1421         printf("MPPE keys OK: %d  mismatch: %d\n",
1422                eapol_test.num_mppe_ok, eapol_test.num_mppe_mismatch);
1423         if (eapol_test.num_mppe_mismatch)
1424                 ret = -4;
1425         if (ret)
1426                 printf("FAILURE\n");
1427         else
1428                 printf("SUCCESS\n");
1429
1430         os_program_deinit();
1431
1432         return ret;
1433 }