xref: /freebsd/contrib/wpa/wpa_supplicant/eapol_test.c (revision 8d20be1e22095c27faf8fe8b2f0d089739cc742e)
1 /*
2  * WPA Supplicant - test code
3  * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
4  *
5  * This software may be distributed under the terms of the BSD license.
6  * See README for more details.
7  *
8  * IEEE 802.1X Supplicant test code (to be used in place of wpa_supplicant.c.
9  * Not used in production version.
10  */
11 
12 #include "includes.h"
13 #include <assert.h>
14 
15 #include "common.h"
16 #include "utils/ext_password.h"
17 #include "config.h"
18 #include "eapol_supp/eapol_supp_sm.h"
19 #include "eap_peer/eap.h"
20 #include "eap_server/eap_methods.h"
21 #include "eloop.h"
22 #include "utils/base64.h"
23 #include "rsn_supp/wpa.h"
24 #include "eap_peer/eap_i.h"
25 #include "wpa_supplicant_i.h"
26 #include "radius/radius.h"
27 #include "radius/radius_client.h"
28 #include "common/wpa_ctrl.h"
29 #include "ctrl_iface.h"
30 #include "pcsc_funcs.h"
31 
32 
33 extern int wpa_debug_level;
34 extern int wpa_debug_show_keys;
35 
36 struct wpa_driver_ops *wpa_drivers[] = { NULL };
37 
38 
39 struct extra_radius_attr {
40 	u8 type;
41 	char syntax;
42 	char *data;
43 	struct extra_radius_attr *next;
44 };
45 
46 struct eapol_test_data {
47 	struct wpa_supplicant *wpa_s;
48 
49 	int eapol_test_num_reauths;
50 	int no_mppe_keys;
51 	int num_mppe_ok, num_mppe_mismatch;
52 
53 	u8 radius_identifier;
54 	struct radius_msg *last_recv_radius;
55 	struct in_addr own_ip_addr;
56 	struct radius_client_data *radius;
57 	struct hostapd_radius_servers *radius_conf;
58 
59 	 /* last received EAP Response from Authentication Server */
60 	struct wpabuf *last_eap_radius;
61 
62 	u8 authenticator_pmk[PMK_LEN];
63 	size_t authenticator_pmk_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 
78 static struct eapol_test_data eapol_test;
79 
80 
81 static void send_eap_request_identity(void *eloop_ctx, void *timeout_ctx);
82 
83 
84 static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module,
85 			      int level, const char *txt, size_t len)
86 {
87 	if (addr)
88 		wpa_printf(MSG_DEBUG, "STA " MACSTR ": %s\n",
89 			   MAC2STR(addr), txt);
90 	else
91 		wpa_printf(MSG_DEBUG, "%s", txt);
92 }
93 
94 
95 static int add_extra_attr(struct radius_msg *msg,
96 			  struct extra_radius_attr *attr)
97 {
98 	size_t len;
99 	char *pos;
100 	u32 val;
101 	char buf[RADIUS_MAX_ATTR_LEN + 1];
102 
103 	switch (attr->syntax) {
104 	case 's':
105 		os_snprintf(buf, sizeof(buf), "%s", attr->data);
106 		len = os_strlen(buf);
107 		break;
108 	case 'n':
109 		buf[0] = '\0';
110 		len = 1;
111 		break;
112 	case 'x':
113 		pos = attr->data;
114 		if (pos[0] == '0' && pos[1] == 'x')
115 			pos += 2;
116 		len = os_strlen(pos);
117 		if ((len & 1) || (len / 2) > RADIUS_MAX_ATTR_LEN) {
118 			printf("Invalid extra attribute hexstring\n");
119 			return -1;
120 		}
121 		len /= 2;
122 		if (hexstr2bin(pos, (u8 *) buf, len) < 0) {
123 			printf("Invalid extra attribute hexstring\n");
124 			return -1;
125 		}
126 		break;
127 	case 'd':
128 		val = htonl(atoi(attr->data));
129 		os_memcpy(buf, &val, 4);
130 		len = 4;
131 		break;
132 	default:
133 		printf("Incorrect extra attribute syntax specification\n");
134 		return -1;
135 	}
136 
137 	if (!radius_msg_add_attr(msg, attr->type, (u8 *) buf, len)) {
138 		printf("Could not add attribute %d\n", attr->type);
139 		return -1;
140 	}
141 
142 	return 0;
143 }
144 
145 
146 static int add_extra_attrs(struct radius_msg *msg,
147 			   struct extra_radius_attr *attrs)
148 {
149 	struct extra_radius_attr *p;
150 	for (p = attrs; p; p = p->next) {
151 		if (add_extra_attr(msg, p) < 0)
152 			return -1;
153 	}
154 	return 0;
155 }
156 
157 
158 static struct extra_radius_attr *
159 find_extra_attr(struct extra_radius_attr *attrs, u8 type)
160 {
161 	struct extra_radius_attr *p;
162 	for (p = attrs; p; p = p->next) {
163 		if (p->type == type)
164 			return p;
165 	}
166 	return NULL;
167 }
168 
169 
170 static void ieee802_1x_encapsulate_radius(struct eapol_test_data *e,
171 					  const u8 *eap, size_t len)
172 {
173 	struct radius_msg *msg;
174 	char buf[RADIUS_MAX_ATTR_LEN + 1];
175 	const struct eap_hdr *hdr;
176 	const u8 *pos;
177 
178 	wpa_printf(MSG_DEBUG, "Encapsulating EAP message into a RADIUS "
179 		   "packet");
180 
181 	e->radius_identifier = radius_client_get_id(e->radius);
182 	msg = radius_msg_new(RADIUS_CODE_ACCESS_REQUEST,
183 			     e->radius_identifier);
184 	if (msg == NULL) {
185 		printf("Could not create net RADIUS packet\n");
186 		return;
187 	}
188 
189 	radius_msg_make_authenticator(msg, (u8 *) e, sizeof(*e));
190 
191 	hdr = (const struct eap_hdr *) eap;
192 	pos = (const u8 *) (hdr + 1);
193 	if (len > sizeof(*hdr) && hdr->code == EAP_CODE_RESPONSE &&
194 	    pos[0] == EAP_TYPE_IDENTITY) {
195 		pos++;
196 		os_free(e->eap_identity);
197 		e->eap_identity_len = len - sizeof(*hdr) - 1;
198 		e->eap_identity = os_malloc(e->eap_identity_len);
199 		if (e->eap_identity) {
200 			os_memcpy(e->eap_identity, pos, e->eap_identity_len);
201 			wpa_hexdump(MSG_DEBUG, "Learned identity from "
202 				    "EAP-Response-Identity",
203 				    e->eap_identity, e->eap_identity_len);
204 		}
205 	}
206 
207 	if (e->eap_identity &&
208 	    !radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME,
209 				 e->eap_identity, e->eap_identity_len)) {
210 		printf("Could not add User-Name\n");
211 		goto fail;
212 	}
213 
214 	if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_NAS_IP_ADDRESS) &&
215 	    !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
216 				 (u8 *) &e->own_ip_addr, 4)) {
217 		printf("Could not add NAS-IP-Address\n");
218 		goto fail;
219 	}
220 
221 	os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT,
222 		    MAC2STR(e->wpa_s->own_addr));
223 	if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_CALLING_STATION_ID)
224 	    &&
225 	    !radius_msg_add_attr(msg, RADIUS_ATTR_CALLING_STATION_ID,
226 				 (u8 *) buf, os_strlen(buf))) {
227 		printf("Could not add Calling-Station-Id\n");
228 		goto fail;
229 	}
230 
231 	/* TODO: should probably check MTU from driver config; 2304 is max for
232 	 * IEEE 802.11, but use 1400 to avoid problems with too large packets
233 	 */
234 	if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_FRAMED_MTU) &&
235 	    !radius_msg_add_attr_int32(msg, RADIUS_ATTR_FRAMED_MTU, 1400)) {
236 		printf("Could not add Framed-MTU\n");
237 		goto fail;
238 	}
239 
240 	if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_NAS_PORT_TYPE) &&
241 	    !radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT_TYPE,
242 				       RADIUS_NAS_PORT_TYPE_IEEE_802_11)) {
243 		printf("Could not add NAS-Port-Type\n");
244 		goto fail;
245 	}
246 
247 	os_snprintf(buf, sizeof(buf), "%s", e->connect_info);
248 	if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_CONNECT_INFO) &&
249 	    !radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
250 				 (u8 *) buf, os_strlen(buf))) {
251 		printf("Could not add Connect-Info\n");
252 		goto fail;
253 	}
254 
255 	if (add_extra_attrs(msg, e->extra_attrs) < 0)
256 		goto fail;
257 
258 	if (eap && !radius_msg_add_eap(msg, eap, len)) {
259 		printf("Could not add EAP-Message\n");
260 		goto fail;
261 	}
262 
263 	/* State attribute must be copied if and only if this packet is
264 	 * Access-Request reply to the previous Access-Challenge */
265 	if (e->last_recv_radius &&
266 	    radius_msg_get_hdr(e->last_recv_radius)->code ==
267 	    RADIUS_CODE_ACCESS_CHALLENGE) {
268 		int res = radius_msg_copy_attr(msg, e->last_recv_radius,
269 					       RADIUS_ATTR_STATE);
270 		if (res < 0) {
271 			printf("Could not copy State attribute from previous "
272 			       "Access-Challenge\n");
273 			goto fail;
274 		}
275 		if (res > 0) {
276 			wpa_printf(MSG_DEBUG, "  Copied RADIUS State "
277 				   "Attribute");
278 		}
279 	}
280 
281 	if (radius_client_send(e->radius, msg, RADIUS_AUTH, e->wpa_s->own_addr)
282 	    < 0)
283 		goto fail;
284 	return;
285 
286  fail:
287 	radius_msg_free(msg);
288 }
289 
290 
291 static int eapol_test_eapol_send(void *ctx, int type, const u8 *buf,
292 				 size_t len)
293 {
294 	printf("WPA: eapol_test_eapol_send(type=%d len=%lu)\n",
295 	       type, (unsigned long) len);
296 	if (type == IEEE802_1X_TYPE_EAP_PACKET) {
297 		wpa_hexdump(MSG_DEBUG, "TX EAP -> RADIUS", buf, len);
298 		ieee802_1x_encapsulate_radius(&eapol_test, buf, len);
299 	}
300 	return 0;
301 }
302 
303 
304 static void eapol_test_set_config_blob(void *ctx,
305 				       struct wpa_config_blob *blob)
306 {
307 	struct eapol_test_data *e = ctx;
308 	wpa_config_set_blob(e->wpa_s->conf, blob);
309 }
310 
311 
312 static const struct wpa_config_blob *
313 eapol_test_get_config_blob(void *ctx, const char *name)
314 {
315 	struct eapol_test_data *e = ctx;
316 	return wpa_config_get_blob(e->wpa_s->conf, name);
317 }
318 
319 
320 static void eapol_test_eapol_done_cb(void *ctx)
321 {
322 	printf("WPA: EAPOL processing complete\n");
323 }
324 
325 
326 static void eapol_sm_reauth(void *eloop_ctx, void *timeout_ctx)
327 {
328 	struct eapol_test_data *e = eloop_ctx;
329 	printf("\n\n\n\n\neapol_test: Triggering EAP reauthentication\n\n");
330 	e->radius_access_accept_received = 0;
331 	send_eap_request_identity(e->wpa_s, NULL);
332 }
333 
334 
335 static int eapol_test_compare_pmk(struct eapol_test_data *e)
336 {
337 	u8 pmk[PMK_LEN];
338 	int ret = 1;
339 
340 	if (eapol_sm_get_key(e->wpa_s->eapol, pmk, PMK_LEN) == 0) {
341 		wpa_hexdump(MSG_DEBUG, "PMK from EAPOL", pmk, PMK_LEN);
342 		if (os_memcmp(pmk, e->authenticator_pmk, PMK_LEN) != 0) {
343 			printf("WARNING: PMK mismatch\n");
344 			wpa_hexdump(MSG_DEBUG, "PMK from AS",
345 				    e->authenticator_pmk, PMK_LEN);
346 		} else if (e->radius_access_accept_received)
347 			ret = 0;
348 	} else if (e->authenticator_pmk_len == 16 &&
349 		   eapol_sm_get_key(e->wpa_s->eapol, pmk, 16) == 0) {
350 		wpa_hexdump(MSG_DEBUG, "LEAP PMK from EAPOL", pmk, 16);
351 		if (os_memcmp(pmk, e->authenticator_pmk, 16) != 0) {
352 			printf("WARNING: PMK mismatch\n");
353 			wpa_hexdump(MSG_DEBUG, "PMK from AS",
354 				    e->authenticator_pmk, 16);
355 		} else if (e->radius_access_accept_received)
356 			ret = 0;
357 	} else if (e->radius_access_accept_received && e->no_mppe_keys) {
358 		/* No keying material expected */
359 		ret = 0;
360 	}
361 
362 	if (ret && !e->no_mppe_keys)
363 		e->num_mppe_mismatch++;
364 	else if (!e->no_mppe_keys)
365 		e->num_mppe_ok++;
366 
367 	return ret;
368 }
369 
370 
371 static void eapol_sm_cb(struct eapol_sm *eapol, int success, void *ctx)
372 {
373 	struct eapol_test_data *e = ctx;
374 	printf("eapol_sm_cb: success=%d\n", success);
375 	e->eapol_test_num_reauths--;
376 	if (e->eapol_test_num_reauths < 0)
377 		eloop_terminate();
378 	else {
379 		eapol_test_compare_pmk(e);
380 		eloop_register_timeout(0, 100000, eapol_sm_reauth, e, NULL);
381 	}
382 }
383 
384 
385 static void eapol_test_write_cert(FILE *f, const char *subject,
386 				  const struct wpabuf *cert)
387 {
388 	unsigned char *encoded;
389 
390 	encoded = base64_encode(wpabuf_head(cert), wpabuf_len(cert), NULL);
391 	if (encoded == NULL)
392 		return;
393 	fprintf(f, "%s\n-----BEGIN CERTIFICATE-----\n%s"
394 		"-----END CERTIFICATE-----\n\n", subject, encoded);
395 	os_free(encoded);
396 }
397 
398 
399 static void eapol_test_cert_cb(void *ctx, int depth, const char *subject,
400 			       const char *cert_hash,
401 			       const struct wpabuf *cert)
402 {
403 	struct eapol_test_data *e = ctx;
404 
405 	wpa_msg(e->wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_CERT
406 		"depth=%d subject='%s'%s%s",
407 		depth, subject,
408 		cert_hash ? " hash=" : "",
409 		cert_hash ? cert_hash : "");
410 
411 	if (cert) {
412 		char *cert_hex;
413 		size_t len = wpabuf_len(cert) * 2 + 1;
414 		cert_hex = os_malloc(len);
415 		if (cert_hex) {
416 			wpa_snprintf_hex(cert_hex, len, wpabuf_head(cert),
417 					 wpabuf_len(cert));
418 			wpa_msg_ctrl(e->wpa_s, MSG_INFO,
419 				     WPA_EVENT_EAP_PEER_CERT
420 				     "depth=%d subject='%s' cert=%s",
421 				     depth, subject, cert_hex);
422 			os_free(cert_hex);
423 		}
424 
425 		if (e->server_cert_file)
426 			eapol_test_write_cert(e->server_cert_file,
427 					      subject, cert);
428 	}
429 }
430 
431 
432 static void eapol_test_set_anon_id(void *ctx, const u8 *id, size_t len)
433 {
434 	struct eapol_test_data *e = ctx;
435 	struct wpa_supplicant *wpa_s = e->wpa_s;
436 	char *str;
437 	int res;
438 
439 	wpa_hexdump_ascii(MSG_DEBUG, "EAP method updated anonymous_identity",
440 			  id, len);
441 
442 	if (wpa_s->current_ssid == NULL)
443 		return;
444 
445 	if (id == NULL) {
446 		if (wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
447 				   "NULL", 0) < 0)
448 			return;
449 	} else {
450 		str = os_malloc(len * 2 + 1);
451 		if (str == NULL)
452 			return;
453 		wpa_snprintf_hex(str, len * 2 + 1, id, len);
454 		res = wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
455 				     str, 0);
456 		os_free(str);
457 		if (res < 0)
458 			return;
459 	}
460 }
461 
462 
463 static int test_eapol(struct eapol_test_data *e, struct wpa_supplicant *wpa_s,
464 		      struct wpa_ssid *ssid)
465 {
466 	struct eapol_config eapol_conf;
467 	struct eapol_ctx *ctx;
468 
469 	ctx = os_zalloc(sizeof(*ctx));
470 	if (ctx == NULL) {
471 		printf("Failed to allocate EAPOL context.\n");
472 		return -1;
473 	}
474 	ctx->ctx = e;
475 	ctx->msg_ctx = wpa_s;
476 	ctx->scard_ctx = wpa_s->scard;
477 	ctx->cb = eapol_sm_cb;
478 	ctx->cb_ctx = e;
479 	ctx->eapol_send_ctx = wpa_s;
480 	ctx->preauth = 0;
481 	ctx->eapol_done_cb = eapol_test_eapol_done_cb;
482 	ctx->eapol_send = eapol_test_eapol_send;
483 	ctx->set_config_blob = eapol_test_set_config_blob;
484 	ctx->get_config_blob = eapol_test_get_config_blob;
485 	ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
486 	ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
487 	ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
488 	ctx->cert_cb = eapol_test_cert_cb;
489 	ctx->cert_in_cb = 1;
490 	ctx->set_anon_id = eapol_test_set_anon_id;
491 
492 	wpa_s->eapol = eapol_sm_init(ctx);
493 	if (wpa_s->eapol == NULL) {
494 		os_free(ctx);
495 		printf("Failed to initialize EAPOL state machines.\n");
496 		return -1;
497 	}
498 
499 	wpa_s->current_ssid = ssid;
500 	os_memset(&eapol_conf, 0, sizeof(eapol_conf));
501 	eapol_conf.accept_802_1x_keys = 1;
502 	eapol_conf.required_keys = 0;
503 	eapol_conf.fast_reauth = wpa_s->conf->fast_reauth;
504 	eapol_conf.workaround = ssid->eap_workaround;
505 	eapol_sm_notify_config(wpa_s->eapol, &ssid->eap, &eapol_conf);
506 	eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
507 
508 
509 	eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
510 	/* 802.1X::portControl = Auto */
511 	eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
512 
513 	return 0;
514 }
515 
516 
517 static void test_eapol_clean(struct eapol_test_data *e,
518 			     struct wpa_supplicant *wpa_s)
519 {
520 	struct extra_radius_attr *p, *prev;
521 
522 	radius_client_deinit(e->radius);
523 	wpabuf_free(e->last_eap_radius);
524 	radius_msg_free(e->last_recv_radius);
525 	e->last_recv_radius = NULL;
526 	os_free(e->eap_identity);
527 	e->eap_identity = NULL;
528 	eapol_sm_deinit(wpa_s->eapol);
529 	wpa_s->eapol = NULL;
530 	if (e->radius_conf && e->radius_conf->auth_server) {
531 		os_free(e->radius_conf->auth_server->shared_secret);
532 		os_free(e->radius_conf->auth_server);
533 	}
534 	os_free(e->radius_conf);
535 	e->radius_conf = NULL;
536 	scard_deinit(wpa_s->scard);
537 	if (wpa_s->ctrl_iface) {
538 		wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface);
539 		wpa_s->ctrl_iface = NULL;
540 	}
541 
542 	ext_password_deinit(wpa_s->ext_pw);
543 	wpa_s->ext_pw = NULL;
544 
545 	wpa_config_free(wpa_s->conf);
546 
547 	p = e->extra_attrs;
548 	while (p) {
549 		prev = p;
550 		p = p->next;
551 		os_free(prev);
552 	}
553 }
554 
555 
556 static void send_eap_request_identity(void *eloop_ctx, void *timeout_ctx)
557 {
558 	struct wpa_supplicant *wpa_s = eloop_ctx;
559 	u8 buf[100], *pos;
560 	struct ieee802_1x_hdr *hdr;
561 	struct eap_hdr *eap;
562 
563 	hdr = (struct ieee802_1x_hdr *) buf;
564 	hdr->version = EAPOL_VERSION;
565 	hdr->type = IEEE802_1X_TYPE_EAP_PACKET;
566 	hdr->length = htons(5);
567 
568 	eap = (struct eap_hdr *) (hdr + 1);
569 	eap->code = EAP_CODE_REQUEST;
570 	eap->identifier = 0;
571 	eap->length = htons(5);
572 	pos = (u8 *) (eap + 1);
573 	*pos = EAP_TYPE_IDENTITY;
574 
575 	printf("Sending fake EAP-Request-Identity\n");
576 	eapol_sm_rx_eapol(wpa_s->eapol, wpa_s->bssid, buf,
577 			  sizeof(*hdr) + 5);
578 }
579 
580 
581 static void eapol_test_timeout(void *eloop_ctx, void *timeout_ctx)
582 {
583 	struct eapol_test_data *e = eloop_ctx;
584 	printf("EAPOL test timed out\n");
585 	e->auth_timed_out = 1;
586 	eloop_terminate();
587 }
588 
589 
590 static char *eap_type_text(u8 type)
591 {
592 	switch (type) {
593 	case EAP_TYPE_IDENTITY: return "Identity";
594 	case EAP_TYPE_NOTIFICATION: return "Notification";
595 	case EAP_TYPE_NAK: return "Nak";
596 	case EAP_TYPE_TLS: return "TLS";
597 	case EAP_TYPE_TTLS: return "TTLS";
598 	case EAP_TYPE_PEAP: return "PEAP";
599 	case EAP_TYPE_SIM: return "SIM";
600 	case EAP_TYPE_GTC: return "GTC";
601 	case EAP_TYPE_MD5: return "MD5";
602 	case EAP_TYPE_OTP: return "OTP";
603 	case EAP_TYPE_FAST: return "FAST";
604 	case EAP_TYPE_SAKE: return "SAKE";
605 	case EAP_TYPE_PSK: return "PSK";
606 	default: return "Unknown";
607 	}
608 }
609 
610 
611 static void ieee802_1x_decapsulate_radius(struct eapol_test_data *e)
612 {
613 	struct wpabuf *eap;
614 	const struct eap_hdr *hdr;
615 	int eap_type = -1;
616 	char buf[64];
617 	struct radius_msg *msg;
618 
619 	if (e->last_recv_radius == NULL)
620 		return;
621 
622 	msg = e->last_recv_radius;
623 
624 	eap = radius_msg_get_eap(msg);
625 	if (eap == NULL) {
626 		/* draft-aboba-radius-rfc2869bis-20.txt, Chap. 2.6.3:
627 		 * RADIUS server SHOULD NOT send Access-Reject/no EAP-Message
628 		 * attribute */
629 		wpa_printf(MSG_DEBUG, "could not extract "
630 			       "EAP-Message from RADIUS message");
631 		wpabuf_free(e->last_eap_radius);
632 		e->last_eap_radius = NULL;
633 		return;
634 	}
635 
636 	if (wpabuf_len(eap) < sizeof(*hdr)) {
637 		wpa_printf(MSG_DEBUG, "too short EAP packet "
638 			       "received from authentication server");
639 		wpabuf_free(eap);
640 		return;
641 	}
642 
643 	if (wpabuf_len(eap) > sizeof(*hdr))
644 		eap_type = (wpabuf_head_u8(eap))[sizeof(*hdr)];
645 
646 	hdr = wpabuf_head(eap);
647 	switch (hdr->code) {
648 	case EAP_CODE_REQUEST:
649 		os_snprintf(buf, sizeof(buf), "EAP-Request-%s (%d)",
650 			    eap_type >= 0 ? eap_type_text(eap_type) : "??",
651 			    eap_type);
652 		break;
653 	case EAP_CODE_RESPONSE:
654 		os_snprintf(buf, sizeof(buf), "EAP Response-%s (%d)",
655 			    eap_type >= 0 ? eap_type_text(eap_type) : "??",
656 			    eap_type);
657 		break;
658 	case EAP_CODE_SUCCESS:
659 		os_strlcpy(buf, "EAP Success", sizeof(buf));
660 		/* LEAP uses EAP Success within an authentication, so must not
661 		 * stop here with eloop_terminate(); */
662 		break;
663 	case EAP_CODE_FAILURE:
664 		os_strlcpy(buf, "EAP Failure", sizeof(buf));
665 		eloop_terminate();
666 		break;
667 	default:
668 		os_strlcpy(buf, "unknown EAP code", sizeof(buf));
669 		wpa_hexdump_buf(MSG_DEBUG, "Decapsulated EAP packet", eap);
670 		break;
671 	}
672 	wpa_printf(MSG_DEBUG, "decapsulated EAP packet (code=%d "
673 		       "id=%d len=%d) from RADIUS server: %s",
674 		      hdr->code, hdr->identifier, ntohs(hdr->length), buf);
675 
676 	/* sta->eapol_sm->be_auth.idFromServer = hdr->identifier; */
677 
678 	wpabuf_free(e->last_eap_radius);
679 	e->last_eap_radius = eap;
680 
681 	{
682 		struct ieee802_1x_hdr *dot1x;
683 		dot1x = os_malloc(sizeof(*dot1x) + wpabuf_len(eap));
684 		assert(dot1x != NULL);
685 		dot1x->version = EAPOL_VERSION;
686 		dot1x->type = IEEE802_1X_TYPE_EAP_PACKET;
687 		dot1x->length = htons(wpabuf_len(eap));
688 		os_memcpy((u8 *) (dot1x + 1), wpabuf_head(eap),
689 			  wpabuf_len(eap));
690 		eapol_sm_rx_eapol(e->wpa_s->eapol, e->wpa_s->bssid,
691 				  (u8 *) dot1x,
692 				  sizeof(*dot1x) + wpabuf_len(eap));
693 		os_free(dot1x);
694 	}
695 }
696 
697 
698 static void ieee802_1x_get_keys(struct eapol_test_data *e,
699 				struct radius_msg *msg, struct radius_msg *req,
700 				const u8 *shared_secret,
701 				size_t shared_secret_len)
702 {
703 	struct radius_ms_mppe_keys *keys;
704 
705 	keys = radius_msg_get_ms_keys(msg, req, shared_secret,
706 				      shared_secret_len);
707 	if (keys && keys->send == NULL && keys->recv == NULL) {
708 		os_free(keys);
709 		keys = radius_msg_get_cisco_keys(msg, req, shared_secret,
710 						 shared_secret_len);
711 	}
712 
713 	if (keys) {
714 		if (keys->send) {
715 			wpa_hexdump(MSG_DEBUG, "MS-MPPE-Send-Key (sign)",
716 				    keys->send, keys->send_len);
717 		}
718 		if (keys->recv) {
719 			wpa_hexdump(MSG_DEBUG, "MS-MPPE-Recv-Key (crypt)",
720 				    keys->recv, keys->recv_len);
721 			e->authenticator_pmk_len =
722 				keys->recv_len > PMK_LEN ? PMK_LEN :
723 				keys->recv_len;
724 			os_memcpy(e->authenticator_pmk, keys->recv,
725 				  e->authenticator_pmk_len);
726 			if (e->authenticator_pmk_len == 16 && keys->send &&
727 			    keys->send_len == 16) {
728 				/* MS-CHAP-v2 derives 16 octet keys */
729 				wpa_printf(MSG_DEBUG, "Use MS-MPPE-Send-Key "
730 					   "to extend PMK to 32 octets");
731 				os_memcpy(e->authenticator_pmk +
732 					  e->authenticator_pmk_len,
733 					  keys->send, keys->send_len);
734 				e->authenticator_pmk_len += keys->send_len;
735 			}
736 		}
737 
738 		os_free(keys->send);
739 		os_free(keys->recv);
740 		os_free(keys);
741 	}
742 }
743 
744 
745 /* Process the RADIUS frames from Authentication Server */
746 static RadiusRxResult
747 ieee802_1x_receive_auth(struct radius_msg *msg, struct radius_msg *req,
748 			const u8 *shared_secret, size_t shared_secret_len,
749 			void *data)
750 {
751 	struct eapol_test_data *e = data;
752 	struct radius_hdr *hdr = radius_msg_get_hdr(msg);
753 
754 	/* RFC 2869, Ch. 5.13: valid Message-Authenticator attribute MUST be
755 	 * present when packet contains an EAP-Message attribute */
756 	if (hdr->code == RADIUS_CODE_ACCESS_REJECT &&
757 	    radius_msg_get_attr(msg, RADIUS_ATTR_MESSAGE_AUTHENTICATOR, NULL,
758 				0) < 0 &&
759 	    radius_msg_get_attr(msg, RADIUS_ATTR_EAP_MESSAGE, NULL, 0) < 0) {
760 		wpa_printf(MSG_DEBUG, "Allowing RADIUS "
761 			      "Access-Reject without Message-Authenticator "
762 			      "since it does not include EAP-Message\n");
763 	} else if (radius_msg_verify(msg, shared_secret, shared_secret_len,
764 				     req, 1)) {
765 		printf("Incoming RADIUS packet did not have correct "
766 		       "Message-Authenticator - dropped\n");
767 		return RADIUS_RX_UNKNOWN;
768 	}
769 
770 	if (hdr->code != RADIUS_CODE_ACCESS_ACCEPT &&
771 	    hdr->code != RADIUS_CODE_ACCESS_REJECT &&
772 	    hdr->code != RADIUS_CODE_ACCESS_CHALLENGE) {
773 		printf("Unknown RADIUS message code\n");
774 		return RADIUS_RX_UNKNOWN;
775 	}
776 
777 	e->radius_identifier = -1;
778 	wpa_printf(MSG_DEBUG, "RADIUS packet matching with station");
779 
780 	radius_msg_free(e->last_recv_radius);
781 	e->last_recv_radius = msg;
782 
783 	switch (hdr->code) {
784 	case RADIUS_CODE_ACCESS_ACCEPT:
785 		e->radius_access_accept_received = 1;
786 		ieee802_1x_get_keys(e, msg, req, shared_secret,
787 				    shared_secret_len);
788 		break;
789 	case RADIUS_CODE_ACCESS_REJECT:
790 		e->radius_access_reject_received = 1;
791 		break;
792 	}
793 
794 	ieee802_1x_decapsulate_radius(e);
795 
796 	if ((hdr->code == RADIUS_CODE_ACCESS_ACCEPT &&
797 	     e->eapol_test_num_reauths < 0) ||
798 	    hdr->code == RADIUS_CODE_ACCESS_REJECT) {
799 		eloop_terminate();
800 	}
801 
802 	return RADIUS_RX_QUEUED;
803 }
804 
805 
806 static void wpa_init_conf(struct eapol_test_data *e,
807 			  struct wpa_supplicant *wpa_s, const char *authsrv,
808 			  int port, const char *secret,
809 			  const char *cli_addr)
810 {
811 	struct hostapd_radius_server *as;
812 	int res;
813 
814 	wpa_s->bssid[5] = 1;
815 	os_memcpy(wpa_s->own_addr, e->own_addr, ETH_ALEN);
816 	e->own_ip_addr.s_addr = htonl((127 << 24) | 1);
817 	os_strlcpy(wpa_s->ifname, "test", sizeof(wpa_s->ifname));
818 
819 	e->radius_conf = os_zalloc(sizeof(struct hostapd_radius_servers));
820 	assert(e->radius_conf != NULL);
821 	e->radius_conf->num_auth_servers = 1;
822 	as = os_zalloc(sizeof(struct hostapd_radius_server));
823 	assert(as != NULL);
824 #if defined(CONFIG_NATIVE_WINDOWS) || defined(CONFIG_ANSI_C_EXTRA)
825 	{
826 		int a[4];
827 		u8 *pos;
828 		sscanf(authsrv, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3]);
829 		pos = (u8 *) &as->addr.u.v4;
830 		*pos++ = a[0];
831 		*pos++ = a[1];
832 		*pos++ = a[2];
833 		*pos++ = a[3];
834 	}
835 #else /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
836 	inet_aton(authsrv, &as->addr.u.v4);
837 #endif /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
838 	as->addr.af = AF_INET;
839 	as->port = port;
840 	as->shared_secret = (u8 *) os_strdup(secret);
841 	as->shared_secret_len = os_strlen(secret);
842 	e->radius_conf->auth_server = as;
843 	e->radius_conf->auth_servers = as;
844 	e->radius_conf->msg_dumps = 1;
845 	if (cli_addr) {
846 		if (hostapd_parse_ip_addr(cli_addr,
847 					  &e->radius_conf->client_addr) == 0)
848 			e->radius_conf->force_client_addr = 1;
849 		else {
850 			wpa_printf(MSG_ERROR, "Invalid IP address '%s'",
851 				   cli_addr);
852 			assert(0);
853 		}
854 	}
855 
856 	e->radius = radius_client_init(wpa_s, e->radius_conf);
857 	assert(e->radius != NULL);
858 
859 	res = radius_client_register(e->radius, RADIUS_AUTH,
860 				     ieee802_1x_receive_auth, e);
861 	assert(res == 0);
862 }
863 
864 
865 static int scard_test(void)
866 {
867 	struct scard_data *scard;
868 	size_t len;
869 	char imsi[20];
870 	unsigned char _rand[16];
871 #ifdef PCSC_FUNCS
872 	unsigned char sres[4];
873 	unsigned char kc[8];
874 #endif /* PCSC_FUNCS */
875 #define num_triplets 5
876 	unsigned char rand_[num_triplets][16];
877 	unsigned char sres_[num_triplets][4];
878 	unsigned char kc_[num_triplets][8];
879 	int i, res;
880 	size_t j;
881 
882 #define AKA_RAND_LEN 16
883 #define AKA_AUTN_LEN 16
884 #define AKA_AUTS_LEN 14
885 #define RES_MAX_LEN 16
886 #define IK_LEN 16
887 #define CK_LEN 16
888 	unsigned char aka_rand[AKA_RAND_LEN];
889 	unsigned char aka_autn[AKA_AUTN_LEN];
890 	unsigned char aka_auts[AKA_AUTS_LEN];
891 	unsigned char aka_res[RES_MAX_LEN];
892 	size_t aka_res_len;
893 	unsigned char aka_ik[IK_LEN];
894 	unsigned char aka_ck[CK_LEN];
895 
896 	scard = scard_init(SCARD_TRY_BOTH, NULL);
897 	if (scard == NULL)
898 		return -1;
899 	if (scard_set_pin(scard, "1234")) {
900 		wpa_printf(MSG_WARNING, "PIN validation failed");
901 		scard_deinit(scard);
902 		return -1;
903 	}
904 
905 	len = sizeof(imsi);
906 	if (scard_get_imsi(scard, imsi, &len))
907 		goto failed;
908 	wpa_hexdump_ascii(MSG_DEBUG, "SCARD: IMSI", (u8 *) imsi, len);
909 	/* NOTE: Permanent Username: 1 | IMSI */
910 
911 	wpa_printf(MSG_DEBUG, "SCARD: MNC length %d",
912 		   scard_get_mnc_len(scard));
913 
914 	os_memset(_rand, 0, sizeof(_rand));
915 	if (scard_gsm_auth(scard, _rand, sres, kc))
916 		goto failed;
917 
918 	os_memset(_rand, 0xff, sizeof(_rand));
919 	if (scard_gsm_auth(scard, _rand, sres, kc))
920 		goto failed;
921 
922 	for (i = 0; i < num_triplets; i++) {
923 		os_memset(rand_[i], i, sizeof(rand_[i]));
924 		if (scard_gsm_auth(scard, rand_[i], sres_[i], kc_[i]))
925 			goto failed;
926 	}
927 
928 	for (i = 0; i < num_triplets; i++) {
929 		printf("1");
930 		for (j = 0; j < len; j++)
931 			printf("%c", imsi[j]);
932 		printf(",");
933 		for (j = 0; j < 16; j++)
934 			printf("%02X", rand_[i][j]);
935 		printf(",");
936 		for (j = 0; j < 4; j++)
937 			printf("%02X", sres_[i][j]);
938 		printf(",");
939 		for (j = 0; j < 8; j++)
940 			printf("%02X", kc_[i][j]);
941 		printf("\n");
942 	}
943 
944 	wpa_printf(MSG_DEBUG, "Trying to use UMTS authentication");
945 
946 	/* seq 39 (0x28) */
947 	os_memset(aka_rand, 0xaa, 16);
948 	os_memcpy(aka_autn, "\x86\x71\x31\xcb\xa2\xfc\x61\xdf"
949 		  "\xa3\xb3\x97\x9d\x07\x32\xa2\x12", 16);
950 
951 	res = scard_umts_auth(scard, aka_rand, aka_autn, aka_res, &aka_res_len,
952 			      aka_ik, aka_ck, aka_auts);
953 	if (res == 0) {
954 		wpa_printf(MSG_DEBUG, "UMTS auth completed successfully");
955 		wpa_hexdump(MSG_DEBUG, "RES", aka_res, aka_res_len);
956 		wpa_hexdump(MSG_DEBUG, "IK", aka_ik, IK_LEN);
957 		wpa_hexdump(MSG_DEBUG, "CK", aka_ck, CK_LEN);
958 	} else if (res == -2) {
959 		wpa_printf(MSG_DEBUG, "UMTS auth resulted in synchronization "
960 			   "failure");
961 		wpa_hexdump(MSG_DEBUG, "AUTS", aka_auts, AKA_AUTS_LEN);
962 	} else {
963 		wpa_printf(MSG_DEBUG, "UMTS auth failed");
964 	}
965 
966 failed:
967 	scard_deinit(scard);
968 
969 	return 0;
970 #undef num_triplets
971 }
972 
973 
974 static int scard_get_triplets(int argc, char *argv[])
975 {
976 	struct scard_data *scard;
977 	size_t len;
978 	char imsi[20];
979 	unsigned char _rand[16];
980 	unsigned char sres[4];
981 	unsigned char kc[8];
982 	int num_triplets;
983 	int i;
984 	size_t j;
985 
986 	if (argc < 2 || ((num_triplets = atoi(argv[1])) <= 0)) {
987 		printf("invalid parameters for sim command\n");
988 		return -1;
989 	}
990 
991 	if (argc <= 2 || os_strcmp(argv[2], "debug") != 0) {
992 		/* disable debug output */
993 		wpa_debug_level = 99;
994 	}
995 
996 	scard = scard_init(SCARD_GSM_SIM_ONLY, NULL);
997 	if (scard == NULL) {
998 		printf("Failed to open smartcard connection\n");
999 		return -1;
1000 	}
1001 	if (scard_set_pin(scard, argv[0])) {
1002 		wpa_printf(MSG_WARNING, "PIN validation failed");
1003 		scard_deinit(scard);
1004 		return -1;
1005 	}
1006 
1007 	len = sizeof(imsi);
1008 	if (scard_get_imsi(scard, imsi, &len)) {
1009 		scard_deinit(scard);
1010 		return -1;
1011 	}
1012 
1013 	for (i = 0; i < num_triplets; i++) {
1014 		os_memset(_rand, i, sizeof(_rand));
1015 		if (scard_gsm_auth(scard, _rand, sres, kc))
1016 			break;
1017 
1018 		/* IMSI:Kc:SRES:RAND */
1019 		for (j = 0; j < len; j++)
1020 			printf("%c", imsi[j]);
1021 		printf(":");
1022 		for (j = 0; j < 8; j++)
1023 			printf("%02X", kc[j]);
1024 		printf(":");
1025 		for (j = 0; j < 4; j++)
1026 			printf("%02X", sres[j]);
1027 		printf(":");
1028 		for (j = 0; j < 16; j++)
1029 			printf("%02X", _rand[j]);
1030 		printf("\n");
1031 	}
1032 
1033 	scard_deinit(scard);
1034 
1035 	return 0;
1036 }
1037 
1038 
1039 static void eapol_test_terminate(int sig, void *signal_ctx)
1040 {
1041 	struct wpa_supplicant *wpa_s = signal_ctx;
1042 	wpa_msg(wpa_s, MSG_INFO, "Signal %d received - terminating", sig);
1043 	eloop_terminate();
1044 }
1045 
1046 
1047 static void usage(void)
1048 {
1049 	printf("usage:\n"
1050 	       "eapol_test [-nWS] -c<conf> [-a<AS IP>] [-p<AS port>] "
1051 	       "[-s<AS secret>]\\\n"
1052 	       "           [-r<count>] [-t<timeout>] [-C<Connect-Info>] \\\n"
1053 	       "           [-M<client MAC address>] [-o<server cert file] \\\n"
1054 	       "           [-N<attr spec>] \\\n"
1055 	       "           [-A<client IP>]\n"
1056 	       "eapol_test scard\n"
1057 	       "eapol_test sim <PIN> <num triplets> [debug]\n"
1058 	       "\n");
1059 	printf("options:\n"
1060 	       "  -c<conf> = configuration file\n"
1061 	       "  -a<AS IP> = IP address of the authentication server, "
1062 	       "default 127.0.0.1\n"
1063 	       "  -p<AS port> = UDP port of the authentication server, "
1064 	       "default 1812\n"
1065 	       "  -s<AS secret> = shared secret with the authentication "
1066 	       "server, default 'radius'\n"
1067 	       "  -A<client IP> = IP address of the client, default: select "
1068 	       "automatically\n"
1069 	       "  -r<count> = number of re-authentications\n"
1070 	       "  -W = wait for a control interface monitor before starting\n"
1071 	       "  -S = save configuration after authentication\n"
1072 	       "  -n = no MPPE keys expected\n"
1073 	       "  -t<timeout> = sets timeout in seconds (default: 30 s)\n"
1074 	       "  -C<Connect-Info> = RADIUS Connect-Info (default: "
1075 	       "CONNECT 11Mbps 802.11b)\n"
1076 	       "  -M<client MAC address> = Set own MAC address "
1077 	       "(Calling-Station-Id,\n"
1078 	       "                           default: 02:00:00:00:00:01)\n"
1079 	       "  -o<server cert file> = Write received server certificate\n"
1080 	       "                         chain to the specified file\n"
1081 	       "  -N<attr spec> = send arbitrary attribute specified by:\n"
1082 	       "                  attr_id:syntax:value or attr_id\n"
1083 	       "                  attr_id - number id of the attribute\n"
1084 	       "                  syntax - one of: s, d, x\n"
1085 	       "                     s = string\n"
1086 	       "                     d = integer\n"
1087 	       "                     x = octet string\n"
1088 	       "                  value - attribute value.\n"
1089 	       "       When only attr_id is specified, NULL will be used as "
1090 	       "value.\n"
1091 	       "       Multiple attributes can be specified by using the "
1092 	       "option several times.\n");
1093 }
1094 
1095 
1096 int main(int argc, char *argv[])
1097 {
1098 	struct wpa_supplicant wpa_s;
1099 	int c, ret = 1, wait_for_monitor = 0, save_config = 0;
1100 	char *as_addr = "127.0.0.1";
1101 	int as_port = 1812;
1102 	char *as_secret = "radius";
1103 	char *cli_addr = NULL;
1104 	char *conf = NULL;
1105 	int timeout = 30;
1106 	char *pos;
1107 	struct extra_radius_attr *p = NULL, *p1;
1108 
1109 	if (os_program_init())
1110 		return -1;
1111 
1112 	hostapd_logger_register_cb(hostapd_logger_cb);
1113 
1114 	os_memset(&eapol_test, 0, sizeof(eapol_test));
1115 	eapol_test.connect_info = "CONNECT 11Mbps 802.11b";
1116 	os_memcpy(eapol_test.own_addr, "\x02\x00\x00\x00\x00\x01", ETH_ALEN);
1117 
1118 	wpa_debug_level = 0;
1119 	wpa_debug_show_keys = 1;
1120 
1121 	for (;;) {
1122 		c = getopt(argc, argv, "a:A:c:C:M:nN:o:p:r:s:St:W");
1123 		if (c < 0)
1124 			break;
1125 		switch (c) {
1126 		case 'a':
1127 			as_addr = optarg;
1128 			break;
1129 		case 'A':
1130 			cli_addr = optarg;
1131 			break;
1132 		case 'c':
1133 			conf = optarg;
1134 			break;
1135 		case 'C':
1136 			eapol_test.connect_info = optarg;
1137 			break;
1138 		case 'M':
1139 			if (hwaddr_aton(optarg, eapol_test.own_addr)) {
1140 				usage();
1141 				return -1;
1142 			}
1143 			break;
1144 		case 'n':
1145 			eapol_test.no_mppe_keys++;
1146 			break;
1147 		case 'o':
1148 			if (eapol_test.server_cert_file)
1149 				fclose(eapol_test.server_cert_file);
1150 			eapol_test.server_cert_file = fopen(optarg, "w");
1151 			if (eapol_test.server_cert_file == NULL) {
1152 				printf("Could not open '%s' for writing\n",
1153 				       optarg);
1154 				return -1;
1155 			}
1156 			break;
1157 		case 'p':
1158 			as_port = atoi(optarg);
1159 			break;
1160 		case 'r':
1161 			eapol_test.eapol_test_num_reauths = atoi(optarg);
1162 			break;
1163 		case 's':
1164 			as_secret = optarg;
1165 			break;
1166 		case 'S':
1167 			save_config++;
1168 			break;
1169 		case 't':
1170 			timeout = atoi(optarg);
1171 			break;
1172 		case 'W':
1173 			wait_for_monitor++;
1174 			break;
1175 		case 'N':
1176 			p1 = os_zalloc(sizeof(*p1));
1177 			if (p1 == NULL)
1178 				break;
1179 			if (!p)
1180 				eapol_test.extra_attrs = p1;
1181 			else
1182 				p->next = p1;
1183 			p = p1;
1184 
1185 			p->type = atoi(optarg);
1186 			pos = os_strchr(optarg, ':');
1187 			if (pos == NULL) {
1188 				p->syntax = 'n';
1189 				p->data = NULL;
1190 				break;
1191 			}
1192 
1193 			pos++;
1194 			if (pos[0] == '\0' || pos[1] != ':') {
1195 				printf("Incorrect format of attribute "
1196 				       "specification\n");
1197 				break;
1198 			}
1199 
1200 			p->syntax = pos[0];
1201 			p->data = pos + 2;
1202 			break;
1203 		default:
1204 			usage();
1205 			return -1;
1206 		}
1207 	}
1208 
1209 	if (argc > optind && os_strcmp(argv[optind], "scard") == 0) {
1210 		return scard_test();
1211 	}
1212 
1213 	if (argc > optind && os_strcmp(argv[optind], "sim") == 0) {
1214 		return scard_get_triplets(argc - optind - 1,
1215 					  &argv[optind + 1]);
1216 	}
1217 
1218 	if (conf == NULL) {
1219 		usage();
1220 		printf("Configuration file is required.\n");
1221 		return -1;
1222 	}
1223 
1224 	if (eap_register_methods()) {
1225 		wpa_printf(MSG_ERROR, "Failed to register EAP methods");
1226 		return -1;
1227 	}
1228 
1229 	if (eloop_init()) {
1230 		wpa_printf(MSG_ERROR, "Failed to initialize event loop");
1231 		return -1;
1232 	}
1233 
1234 	os_memset(&wpa_s, 0, sizeof(wpa_s));
1235 	eapol_test.wpa_s = &wpa_s;
1236 	wpa_s.conf = wpa_config_read(conf);
1237 	if (wpa_s.conf == NULL) {
1238 		printf("Failed to parse configuration file '%s'.\n", conf);
1239 		return -1;
1240 	}
1241 	if (wpa_s.conf->ssid == NULL) {
1242 		printf("No networks defined.\n");
1243 		return -1;
1244 	}
1245 
1246 	wpa_init_conf(&eapol_test, &wpa_s, as_addr, as_port, as_secret,
1247 		      cli_addr);
1248 	wpa_s.ctrl_iface = wpa_supplicant_ctrl_iface_init(&wpa_s);
1249 	if (wpa_s.ctrl_iface == NULL) {
1250 		printf("Failed to initialize control interface '%s'.\n"
1251 		       "You may have another eapol_test process already "
1252 		       "running or the file was\n"
1253 		       "left by an unclean termination of eapol_test in "
1254 		       "which case you will need\n"
1255 		       "to manually remove this file before starting "
1256 		       "eapol_test again.\n",
1257 		       wpa_s.conf->ctrl_interface);
1258 		return -1;
1259 	}
1260 	if (wpa_supplicant_scard_init(&wpa_s, wpa_s.conf->ssid))
1261 		return -1;
1262 
1263 	if (test_eapol(&eapol_test, &wpa_s, wpa_s.conf->ssid))
1264 		return -1;
1265 
1266 	if (wpas_init_ext_pw(&wpa_s) < 0)
1267 		return -1;
1268 
1269 	if (wait_for_monitor)
1270 		wpa_supplicant_ctrl_iface_wait(wpa_s.ctrl_iface);
1271 
1272 	eloop_register_timeout(timeout, 0, eapol_test_timeout, &eapol_test,
1273 			       NULL);
1274 	eloop_register_timeout(0, 0, send_eap_request_identity, &wpa_s, NULL);
1275 	eloop_register_signal_terminate(eapol_test_terminate, &wpa_s);
1276 	eloop_register_signal_reconfig(eapol_test_terminate, &wpa_s);
1277 	eloop_run();
1278 
1279 	eloop_cancel_timeout(eapol_test_timeout, &eapol_test, NULL);
1280 	eloop_cancel_timeout(eapol_sm_reauth, &eapol_test, NULL);
1281 
1282 	if (eapol_test_compare_pmk(&eapol_test) == 0 ||
1283 	    eapol_test.no_mppe_keys)
1284 		ret = 0;
1285 	if (eapol_test.auth_timed_out)
1286 		ret = -2;
1287 	if (eapol_test.radius_access_reject_received)
1288 		ret = -3;
1289 
1290 	if (save_config)
1291 		wpa_config_write(conf, wpa_s.conf);
1292 
1293 	test_eapol_clean(&eapol_test, &wpa_s);
1294 
1295 	eap_peer_unregister_methods();
1296 #ifdef CONFIG_AP
1297 	eap_server_unregister_methods();
1298 #endif /* CONFIG_AP */
1299 
1300 	eloop_destroy();
1301 
1302 	if (eapol_test.server_cert_file)
1303 		fclose(eapol_test.server_cert_file);
1304 
1305 	printf("MPPE keys OK: %d  mismatch: %d\n",
1306 	       eapol_test.num_mppe_ok, eapol_test.num_mppe_mismatch);
1307 	if (eapol_test.num_mppe_mismatch)
1308 		ret = -4;
1309 	if (ret)
1310 		printf("FAILURE\n");
1311 	else
1312 		printf("SUCCESS\n");
1313 
1314 	os_program_deinit();
1315 
1316 	return ret;
1317 }
1318