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