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