xref: /freebsd/contrib/wpa/wpa_supplicant/eapol_test.c (revision 56b17de1e8360fe131d425de20b5e75ff3ea897c)
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 "common/version.h"
18 #include "crypto/crypto.h"
19 #include "crypto/tls.h"
20 #include "config.h"
21 #include "eapol_supp/eapol_supp_sm.h"
22 #include "eap_peer/eap.h"
23 #include "eap_server/eap_methods.h"
24 #include "eloop.h"
25 #include "utils/base64.h"
26 #include "rsn_supp/wpa.h"
27 #include "wpa_supplicant_i.h"
28 #include "radius/radius.h"
29 #include "radius/radius_client.h"
30 #include "common/wpa_ctrl.h"
31 #include "ctrl_iface.h"
32 #include "pcsc_funcs.h"
33 #include "wpas_glue.h"
34 
35 
36 const struct wpa_driver_ops *const 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 	int req_eap_key_name;
53 
54 	u8 radius_identifier;
55 	struct radius_msg *last_recv_radius;
56 	struct in_addr own_ip_addr;
57 	struct radius_client_data *radius;
58 	struct hostapd_radius_servers *radius_conf;
59 
60 	 /* last received EAP Response from Authentication Server */
61 	struct wpabuf *last_eap_radius;
62 
63 	u8 authenticator_pmk[PMK_LEN];
64 	size_t authenticator_pmk_len;
65 	u8 authenticator_eap_key_name[256];
66 	size_t authenticator_eap_key_name_len;
67 	int radius_access_accept_received;
68 	int radius_access_reject_received;
69 	int auth_timed_out;
70 
71 	u8 *eap_identity;
72 	size_t eap_identity_len;
73 
74 	char *connect_info;
75 	u8 own_addr[ETH_ALEN];
76 	struct extra_radius_attr *extra_attrs;
77 
78 	FILE *server_cert_file;
79 
80 	const char *pcsc_reader;
81 	const char *pcsc_pin;
82 
83 	unsigned int ctrl_iface:1;
84 	unsigned int id_req_sent:1;
85 };
86 
87 static struct eapol_test_data eapol_test;
88 
89 
90 static void send_eap_request_identity(void *eloop_ctx, void *timeout_ctx);
91 
92 
93 static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module,
94 			      int level, const char *txt, size_t len)
95 {
96 	if (addr)
97 		wpa_printf(MSG_DEBUG, "STA " MACSTR ": %s\n",
98 			   MAC2STR(addr), txt);
99 	else
100 		wpa_printf(MSG_DEBUG, "%s", txt);
101 }
102 
103 
104 static int add_extra_attr(struct radius_msg *msg,
105 			  struct extra_radius_attr *attr)
106 {
107 	size_t len;
108 	char *pos;
109 	u32 val;
110 	char buf[RADIUS_MAX_ATTR_LEN + 1];
111 
112 	switch (attr->syntax) {
113 	case 's':
114 		os_snprintf(buf, sizeof(buf), "%s", attr->data);
115 		len = os_strlen(buf);
116 		break;
117 	case 'n':
118 		buf[0] = '\0';
119 		len = 1;
120 		break;
121 	case 'x':
122 		pos = attr->data;
123 		if (pos[0] == '0' && pos[1] == 'x')
124 			pos += 2;
125 		len = os_strlen(pos);
126 		if ((len & 1) || (len / 2) > RADIUS_MAX_ATTR_LEN) {
127 			printf("Invalid extra attribute hexstring\n");
128 			return -1;
129 		}
130 		len /= 2;
131 		if (hexstr2bin(pos, (u8 *) buf, len) < 0) {
132 			printf("Invalid extra attribute hexstring\n");
133 			return -1;
134 		}
135 		break;
136 	case 'd':
137 		val = htonl(atoi(attr->data));
138 		os_memcpy(buf, &val, 4);
139 		len = 4;
140 		break;
141 	default:
142 		printf("Incorrect extra attribute syntax specification\n");
143 		return -1;
144 	}
145 
146 	if (!radius_msg_add_attr(msg, attr->type, (u8 *) buf, len)) {
147 		printf("Could not add attribute %d\n", attr->type);
148 		return -1;
149 	}
150 
151 	return 0;
152 }
153 
154 
155 static int add_extra_attrs(struct radius_msg *msg,
156 			   struct extra_radius_attr *attrs)
157 {
158 	struct extra_radius_attr *p;
159 	for (p = attrs; p; p = p->next) {
160 		if (add_extra_attr(msg, p) < 0)
161 			return -1;
162 	}
163 	return 0;
164 }
165 
166 
167 static struct extra_radius_attr *
168 find_extra_attr(struct extra_radius_attr *attrs, u8 type)
169 {
170 	struct extra_radius_attr *p;
171 	for (p = attrs; p; p = p->next) {
172 		if (p->type == type)
173 			return p;
174 	}
175 	return NULL;
176 }
177 
178 
179 static void ieee802_1x_encapsulate_radius(struct eapol_test_data *e,
180 					  const u8 *eap, size_t len)
181 {
182 	struct radius_msg *msg;
183 	char buf[RADIUS_MAX_ATTR_LEN + 1];
184 	const struct eap_hdr *hdr;
185 	const u8 *pos;
186 
187 	wpa_printf(MSG_DEBUG, "Encapsulating EAP message into a RADIUS "
188 		   "packet");
189 
190 	e->radius_identifier = radius_client_get_id(e->radius);
191 	msg = radius_msg_new(RADIUS_CODE_ACCESS_REQUEST,
192 			     e->radius_identifier);
193 	if (msg == NULL) {
194 		printf("Could not create net RADIUS packet\n");
195 		return;
196 	}
197 
198 	if (!radius_msg_add_msg_auth(msg))
199 		goto fail;
200 
201 	radius_msg_make_authenticator(msg);
202 
203 	hdr = (const struct eap_hdr *) eap;
204 	pos = (const u8 *) (hdr + 1);
205 	if (len > sizeof(*hdr) && hdr->code == EAP_CODE_RESPONSE &&
206 	    pos[0] == EAP_TYPE_IDENTITY) {
207 		pos++;
208 		os_free(e->eap_identity);
209 		e->eap_identity_len = len - sizeof(*hdr) - 1;
210 		e->eap_identity = os_malloc(e->eap_identity_len);
211 		if (e->eap_identity) {
212 			os_memcpy(e->eap_identity, pos, e->eap_identity_len);
213 			wpa_hexdump(MSG_DEBUG, "Learned identity from "
214 				    "EAP-Response-Identity",
215 				    e->eap_identity, e->eap_identity_len);
216 		}
217 	}
218 
219 	if (e->eap_identity &&
220 	    !radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME,
221 				 e->eap_identity, e->eap_identity_len)) {
222 		printf("Could not add User-Name\n");
223 		goto fail;
224 	}
225 
226 	if (e->req_eap_key_name &&
227 	    !radius_msg_add_attr(msg, RADIUS_ATTR_EAP_KEY_NAME, (u8 *) "\0",
228 				 1)) {
229 		printf("Could not add EAP-Key-Name\n");
230 		goto fail;
231 	}
232 
233 	if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_NAS_IP_ADDRESS) &&
234 	    !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
235 				 (u8 *) &e->own_ip_addr, 4)) {
236 		printf("Could not add NAS-IP-Address\n");
237 		goto fail;
238 	}
239 
240 	os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT,
241 		    MAC2STR(e->wpa_s->own_addr));
242 	if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_CALLING_STATION_ID)
243 	    &&
244 	    !radius_msg_add_attr(msg, RADIUS_ATTR_CALLING_STATION_ID,
245 				 (u8 *) buf, os_strlen(buf))) {
246 		printf("Could not add Calling-Station-Id\n");
247 		goto fail;
248 	}
249 
250 	/* TODO: should probably check MTU from driver config; 2304 is max for
251 	 * IEEE 802.11, but use 1400 to avoid problems with too large packets
252 	 */
253 	if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_FRAMED_MTU) &&
254 	    !radius_msg_add_attr_int32(msg, RADIUS_ATTR_FRAMED_MTU, 1400)) {
255 		printf("Could not add Framed-MTU\n");
256 		goto fail;
257 	}
258 
259 	if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_NAS_PORT_TYPE) &&
260 	    !radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT_TYPE,
261 				       RADIUS_NAS_PORT_TYPE_IEEE_802_11)) {
262 		printf("Could not add NAS-Port-Type\n");
263 		goto fail;
264 	}
265 
266 	if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_SERVICE_TYPE) &&
267 	    !radius_msg_add_attr_int32(msg, RADIUS_ATTR_SERVICE_TYPE,
268 				       RADIUS_SERVICE_TYPE_FRAMED)) {
269 		printf("Could not add Service-Type\n");
270 		goto fail;
271 	}
272 
273 	os_snprintf(buf, sizeof(buf), "%s", e->connect_info);
274 	if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_CONNECT_INFO) &&
275 	    !radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
276 				 (u8 *) buf, os_strlen(buf))) {
277 		printf("Could not add Connect-Info\n");
278 		goto fail;
279 	}
280 
281 	if (add_extra_attrs(msg, e->extra_attrs) < 0)
282 		goto fail;
283 
284 	if (eap && !radius_msg_add_eap(msg, eap, len)) {
285 		printf("Could not add EAP-Message\n");
286 		goto fail;
287 	}
288 
289 	/* State attribute must be copied if and only if this packet is
290 	 * Access-Request reply to the previous Access-Challenge */
291 	if (e->last_recv_radius &&
292 	    radius_msg_get_hdr(e->last_recv_radius)->code ==
293 	    RADIUS_CODE_ACCESS_CHALLENGE) {
294 		int res = radius_msg_copy_attr(msg, e->last_recv_radius,
295 					       RADIUS_ATTR_STATE);
296 		if (res < 0) {
297 			printf("Could not copy State attribute from previous "
298 			       "Access-Challenge\n");
299 			goto fail;
300 		}
301 		if (res > 0) {
302 			wpa_printf(MSG_DEBUG, "  Copied RADIUS State "
303 				   "Attribute");
304 		}
305 	}
306 
307 	if (radius_client_send(e->radius, msg, RADIUS_AUTH, e->wpa_s->own_addr)
308 	    < 0)
309 		goto fail;
310 	return;
311 
312  fail:
313 	radius_msg_free(msg);
314 }
315 
316 
317 static int eapol_test_eapol_send(void *ctx, int type, const u8 *buf,
318 				 size_t len)
319 {
320 	printf("WPA: eapol_test_eapol_send(type=%d len=%lu)\n",
321 	       type, (unsigned long) len);
322 	if (type == IEEE802_1X_TYPE_EAP_PACKET) {
323 		wpa_hexdump(MSG_DEBUG, "TX EAP -> RADIUS", buf, len);
324 		ieee802_1x_encapsulate_radius(&eapol_test, buf, len);
325 	}
326 	return 0;
327 }
328 
329 
330 static void eapol_test_set_config_blob(void *ctx,
331 				       struct wpa_config_blob *blob)
332 {
333 	struct eapol_test_data *e = ctx;
334 	wpa_config_set_blob(e->wpa_s->conf, blob);
335 }
336 
337 
338 static const struct wpa_config_blob *
339 eapol_test_get_config_blob(void *ctx, const char *name)
340 {
341 	struct eapol_test_data *e = ctx;
342 	return wpa_config_get_blob(e->wpa_s->conf, name);
343 }
344 
345 
346 static void eapol_test_eapol_done_cb(void *ctx)
347 {
348 	struct eapol_test_data *e = ctx;
349 
350 	printf("WPA: EAPOL processing complete\n");
351 	wpa_supplicant_cancel_auth_timeout(e->wpa_s);
352 	wpa_supplicant_set_state(e->wpa_s, WPA_COMPLETED);
353 }
354 
355 
356 static void eapol_sm_reauth(void *eloop_ctx, void *timeout_ctx)
357 {
358 	struct eapol_test_data *e = eloop_ctx;
359 	printf("\n\n\n\n\neapol_test: Triggering EAP reauthentication\n\n");
360 	e->radius_access_accept_received = 0;
361 	send_eap_request_identity(e->wpa_s, NULL);
362 }
363 
364 
365 static int eapol_test_compare_pmk(struct eapol_test_data *e)
366 {
367 	u8 pmk[PMK_LEN];
368 	int ret = 1;
369 	const u8 *sess_id;
370 	size_t sess_id_len;
371 
372 	if (eapol_sm_get_key(e->wpa_s->eapol, pmk, PMK_LEN) == 0) {
373 		wpa_hexdump(MSG_DEBUG, "PMK from EAPOL", pmk, PMK_LEN);
374 		if (os_memcmp(pmk, e->authenticator_pmk, PMK_LEN) != 0) {
375 			printf("WARNING: PMK mismatch\n");
376 			wpa_hexdump(MSG_DEBUG, "PMK from AS",
377 				    e->authenticator_pmk, PMK_LEN);
378 		} else if (e->radius_access_accept_received)
379 			ret = 0;
380 	} else if (e->authenticator_pmk_len == 16 &&
381 		   eapol_sm_get_key(e->wpa_s->eapol, pmk, 16) == 0) {
382 		wpa_hexdump(MSG_DEBUG, "LEAP PMK from EAPOL", pmk, 16);
383 		if (os_memcmp(pmk, e->authenticator_pmk, 16) != 0) {
384 			printf("WARNING: PMK mismatch\n");
385 			wpa_hexdump(MSG_DEBUG, "PMK from AS",
386 				    e->authenticator_pmk, 16);
387 		} else if (e->radius_access_accept_received)
388 			ret = 0;
389 	} else if (e->radius_access_accept_received && e->no_mppe_keys) {
390 		/* No keying material expected */
391 		ret = 0;
392 	}
393 
394 	if (ret && !e->no_mppe_keys)
395 		e->num_mppe_mismatch++;
396 	else if (!e->no_mppe_keys)
397 		e->num_mppe_ok++;
398 
399 	sess_id = eapol_sm_get_session_id(e->wpa_s->eapol, &sess_id_len);
400 	if (!sess_id)
401 		return ret;
402 	if (e->authenticator_eap_key_name_len == 0) {
403 		wpa_printf(MSG_INFO, "No EAP-Key-Name received from server");
404 		return ret;
405 	}
406 
407 	if (e->authenticator_eap_key_name_len != sess_id_len ||
408 	    os_memcmp(e->authenticator_eap_key_name, sess_id, sess_id_len) != 0)
409 	{
410 		wpa_printf(MSG_INFO,
411 			   "Locally derived EAP Session-Id does not match EAP-Key-Name from server");
412 		wpa_hexdump(MSG_DEBUG, "EAP Session-Id", sess_id, sess_id_len);
413 		wpa_hexdump(MSG_DEBUG, "EAP-Key-Name from server",
414 			    e->authenticator_eap_key_name,
415 			    e->authenticator_eap_key_name_len);
416 	} else {
417 		wpa_printf(MSG_INFO,
418 			   "Locally derived EAP Session-Id matches EAP-Key-Name from server");
419 	}
420 
421 	return ret;
422 }
423 
424 
425 static void eapol_sm_cb(struct eapol_sm *eapol, enum eapol_supp_result result,
426 			void *ctx)
427 {
428 	struct eapol_test_data *e = ctx;
429 	printf("eapol_sm_cb: result=%d\n", result);
430 	e->id_req_sent = 0;
431 	if (e->ctrl_iface)
432 		return;
433 	e->eapol_test_num_reauths--;
434 	if (e->eapol_test_num_reauths < 0)
435 		eloop_terminate();
436 	else {
437 		eapol_test_compare_pmk(e);
438 		eloop_register_timeout(0, 100000, eapol_sm_reauth, e, NULL);
439 	}
440 }
441 
442 
443 static void eapol_test_write_cert(FILE *f, const char *subject,
444 				  const struct wpabuf *cert)
445 {
446 	char *encoded;
447 
448 	encoded = base64_encode(wpabuf_head(cert), wpabuf_len(cert), NULL);
449 	if (encoded == NULL)
450 		return;
451 	fprintf(f, "%s\n-----BEGIN CERTIFICATE-----\n%s"
452 		"-----END CERTIFICATE-----\n\n", subject, encoded);
453 	os_free(encoded);
454 }
455 
456 
457 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
458 static void eapol_test_eap_param_needed(void *ctx, enum wpa_ctrl_req_type field,
459 					const char *default_txt)
460 {
461 	struct eapol_test_data *e = ctx;
462 	struct wpa_supplicant *wpa_s = e->wpa_s;
463 	struct wpa_ssid *ssid = wpa_s->current_ssid;
464 	const char *field_name, *txt = NULL;
465 	char *buf;
466 	size_t buflen;
467 	int len;
468 
469 	if (ssid == NULL)
470 		return;
471 
472 	field_name = wpa_supplicant_ctrl_req_to_string(field, default_txt,
473 						       &txt);
474 	if (field_name == NULL) {
475 		wpa_printf(MSG_WARNING, "Unhandled EAP param %d needed",
476 			   field);
477 		return;
478 	}
479 
480 	buflen = 100 + os_strlen(txt) + ssid->ssid_len;
481 	buf = os_malloc(buflen);
482 	if (buf == NULL)
483 		return;
484 	len = os_snprintf(buf, buflen,
485 			  WPA_CTRL_REQ "%s-%d:%s needed for SSID ",
486 			  field_name, ssid->id, txt);
487 	if (os_snprintf_error(buflen, len)) {
488 		os_free(buf);
489 		return;
490 	}
491 	if (ssid->ssid && buflen > len + ssid->ssid_len) {
492 		os_memcpy(buf + len, ssid->ssid, ssid->ssid_len);
493 		len += ssid->ssid_len;
494 		buf[len] = '\0';
495 	}
496 	buf[buflen - 1] = '\0';
497 	wpa_msg(wpa_s, MSG_INFO, "%s", buf);
498 	os_free(buf);
499 }
500 #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
501 #define eapol_test_eap_param_needed NULL
502 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
503 
504 
505 static void eapol_test_cert_cb(void *ctx, struct tls_cert_data *cert,
506 			       const char *cert_hash)
507 {
508 	struct eapol_test_data *e = ctx;
509 	int i;
510 
511 	wpa_msg(e->wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_CERT
512 		"depth=%d subject='%s'%s%s",
513 		cert->depth, cert->subject,
514 		cert_hash ? " hash=" : "",
515 		cert_hash ? cert_hash : "");
516 
517 	if (cert->cert) {
518 		char *cert_hex;
519 		size_t len = wpabuf_len(cert->cert) * 2 + 1;
520 		cert_hex = os_malloc(len);
521 		if (cert_hex) {
522 			wpa_snprintf_hex(cert_hex, len, wpabuf_head(cert->cert),
523 					 wpabuf_len(cert->cert));
524 			wpa_msg_ctrl(e->wpa_s, MSG_INFO,
525 				     WPA_EVENT_EAP_PEER_CERT
526 				     "depth=%d subject='%s' cert=%s",
527 				     cert->depth, cert->subject, cert_hex);
528 			os_free(cert_hex);
529 		}
530 
531 		if (e->server_cert_file)
532 			eapol_test_write_cert(e->server_cert_file,
533 					      cert->subject, cert->cert);
534 	}
535 
536 	for (i = 0; i < cert->num_altsubject; i++)
537 		wpa_msg(e->wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_ALT
538 			"depth=%d %s", cert->depth, cert->altsubject[i]);
539 }
540 
541 
542 static void eapol_test_set_anon_id(void *ctx, const u8 *id, size_t len)
543 {
544 	struct eapol_test_data *e = ctx;
545 	struct wpa_supplicant *wpa_s = e->wpa_s;
546 	char *str;
547 	int res;
548 
549 	wpa_hexdump_ascii(MSG_DEBUG, "EAP method updated anonymous_identity",
550 			  id, len);
551 
552 	if (wpa_s->current_ssid == NULL)
553 		return;
554 
555 	if (id == NULL) {
556 		if (wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
557 				   "NULL", 0) < 0)
558 			return;
559 	} else {
560 		str = os_malloc(len * 2 + 1);
561 		if (str == NULL)
562 			return;
563 		wpa_snprintf_hex(str, len * 2 + 1, id, len);
564 		res = wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
565 				     str, 0);
566 		os_free(str);
567 		if (res < 0)
568 			return;
569 	}
570 }
571 
572 
573 static enum wpa_states eapol_test_get_state(void *ctx)
574 {
575 	struct eapol_test_data *e = ctx;
576 	struct wpa_supplicant *wpa_s = e->wpa_s;
577 
578 	return wpa_s->wpa_state;
579 }
580 
581 
582 static int test_eapol(struct eapol_test_data *e, struct wpa_supplicant *wpa_s,
583 		      struct wpa_ssid *ssid)
584 {
585 	struct eapol_config eapol_conf;
586 	struct eapol_ctx *ctx;
587 	struct wpa_sm_ctx *wctx;
588 
589 	ctx = os_zalloc(sizeof(*ctx));
590 	if (ctx == NULL) {
591 		printf("Failed to allocate EAPOL context.\n");
592 		return -1;
593 	}
594 	ctx->ctx = e;
595 	ctx->msg_ctx = wpa_s;
596 	ctx->scard_ctx = wpa_s->scard;
597 	ctx->cb = eapol_sm_cb;
598 	ctx->cb_ctx = e;
599 	ctx->eapol_send_ctx = wpa_s;
600 	ctx->preauth = 0;
601 	ctx->eapol_done_cb = eapol_test_eapol_done_cb;
602 	ctx->eapol_send = eapol_test_eapol_send;
603 	ctx->set_config_blob = eapol_test_set_config_blob;
604 	ctx->get_config_blob = eapol_test_get_config_blob;
605 	ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
606 	ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
607 	ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
608 	ctx->openssl_ciphers = wpa_s->conf->openssl_ciphers;
609 	ctx->eap_param_needed = eapol_test_eap_param_needed;
610 	ctx->cert_cb = eapol_test_cert_cb;
611 	ctx->cert_in_cb = 1;
612 	ctx->set_anon_id = eapol_test_set_anon_id;
613 
614 	wpa_s->eapol = eapol_sm_init(ctx);
615 	if (wpa_s->eapol == NULL) {
616 		os_free(ctx);
617 		printf("Failed to initialize EAPOL state machines.\n");
618 		return -1;
619 	}
620 
621 	wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_NO_WPA;
622 	wctx = os_zalloc(sizeof(*wctx));
623 	if (wctx == NULL) {
624 		os_free(ctx);
625 		return -1;
626 	}
627 	wctx->ctx = e;
628 	wctx->msg_ctx = wpa_s;
629 	wctx->get_state = eapol_test_get_state;
630 	wpa_s->wpa = wpa_sm_init(wctx);
631 	if (!wpa_s->wpa) {
632 		os_free(ctx);
633 		os_free(wctx);
634 		return -1;
635 	}
636 
637 	if (!ssid)
638 		return 0;
639 
640 	wpa_s->current_ssid = ssid;
641 	os_memset(&eapol_conf, 0, sizeof(eapol_conf));
642 	eapol_conf.accept_802_1x_keys = 1;
643 	eapol_conf.required_keys = 0;
644 	eapol_conf.fast_reauth = wpa_s->conf->fast_reauth;
645 	eapol_conf.workaround = ssid->eap_workaround;
646 	eapol_conf.external_sim = wpa_s->conf->external_sim;
647 	eapol_sm_notify_config(wpa_s->eapol, &ssid->eap, &eapol_conf);
648 	eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
649 
650 
651 	eapol_sm_notify_portValid(wpa_s->eapol, false);
652 	/* 802.1X::portControl = Auto */
653 	eapol_sm_notify_portEnabled(wpa_s->eapol, true);
654 
655 	return 0;
656 }
657 
658 
659 static void test_eapol_clean(struct eapol_test_data *e,
660 			     struct wpa_supplicant *wpa_s)
661 {
662 	struct extra_radius_attr *p, *prev;
663 
664 	wpa_sm_deinit(wpa_s->wpa);
665 	wpa_s->wpa = NULL;
666 	radius_client_deinit(e->radius);
667 	wpabuf_free(e->last_eap_radius);
668 	radius_msg_free(e->last_recv_radius);
669 	e->last_recv_radius = NULL;
670 	os_free(e->eap_identity);
671 	e->eap_identity = NULL;
672 	eapol_sm_deinit(wpa_s->eapol);
673 	wpa_s->eapol = NULL;
674 	if (e->radius_conf && e->radius_conf->auth_server) {
675 		os_free(e->radius_conf->auth_server->shared_secret);
676 		os_free(e->radius_conf->auth_server->ca_cert);
677 		os_free(e->radius_conf->auth_server->client_cert);
678 		os_free(e->radius_conf->auth_server->private_key);
679 		os_free(e->radius_conf->auth_server->private_key_passwd);
680 		os_free(e->radius_conf->auth_server);
681 	}
682 	os_free(e->radius_conf);
683 	e->radius_conf = NULL;
684 	scard_deinit(wpa_s->scard);
685 	wpa_supplicant_ctrl_iface_deinit(wpa_s, wpa_s->ctrl_iface);
686 	wpa_s->ctrl_iface = NULL;
687 
688 	ext_password_deinit(wpa_s->ext_pw);
689 	wpa_s->ext_pw = NULL;
690 
691 	wpa_config_free(wpa_s->conf);
692 
693 	p = e->extra_attrs;
694 	while (p) {
695 		prev = p;
696 		p = p->next;
697 		os_free(prev);
698 	}
699 }
700 
701 
702 static void send_eap_request_identity(void *eloop_ctx, void *timeout_ctx)
703 {
704 	struct wpa_supplicant *wpa_s = eloop_ctx;
705 	u8 buf[100], *pos;
706 	struct ieee802_1x_hdr *hdr;
707 	struct eap_hdr *eap;
708 
709 	hdr = (struct ieee802_1x_hdr *) buf;
710 	hdr->version = EAPOL_VERSION;
711 	hdr->type = IEEE802_1X_TYPE_EAP_PACKET;
712 	hdr->length = htons(5);
713 
714 	eap = (struct eap_hdr *) (hdr + 1);
715 	eap->code = EAP_CODE_REQUEST;
716 	if (os_get_random((u8 *) &eap->identifier, sizeof(eap->identifier)) < 0)
717 		eap->identifier = os_random() & 0xff;
718 	eap->length = htons(5);
719 	pos = (u8 *) (eap + 1);
720 	*pos = EAP_TYPE_IDENTITY;
721 
722 	printf("Sending fake EAP-Request-Identity\n");
723 	eapol_sm_rx_eapol(wpa_s->eapol, wpa_s->bssid, buf,
724 			  sizeof(*hdr) + 5, FRAME_ENCRYPTION_UNKNOWN);
725 }
726 
727 
728 static void eapol_test_timeout(void *eloop_ctx, void *timeout_ctx)
729 {
730 	struct eapol_test_data *e = eloop_ctx;
731 	printf("EAPOL test timed out\n");
732 	e->auth_timed_out = 1;
733 	eloop_terminate();
734 }
735 
736 
737 static char *eap_type_text(u8 type)
738 {
739 	switch (type) {
740 	case EAP_TYPE_IDENTITY: return "Identity";
741 	case EAP_TYPE_NOTIFICATION: return "Notification";
742 	case EAP_TYPE_NAK: return "Nak";
743 
744 	case EAP_TYPE_MD5: return "MD5";
745 	case EAP_TYPE_OTP: return "OTP";
746 	case EAP_TYPE_GTC: return "GTC";
747 	case EAP_TYPE_TLS: return "TLS";
748 	case EAP_TYPE_LEAP: return "LEAP";
749 	case EAP_TYPE_SIM: return "SIM";
750 	case EAP_TYPE_TTLS: return "TTLS";
751 	case EAP_TYPE_AKA: return "AKA";
752 	case EAP_TYPE_PEAP: return "PEAP";
753 	case EAP_TYPE_MSCHAPV2: return "MSCHAPv2";
754 	case EAP_TYPE_FAST: return "FAST";
755 	case EAP_TYPE_PAX: return "PAX";
756 	case EAP_TYPE_PSK: return "PSK";
757 	case EAP_TYPE_SAKE: return "SAKE";
758 	case EAP_TYPE_IKEV2: return "IKEv2";
759 	case EAP_TYPE_AKA_PRIME: return "AKA-PRIME";
760 	case EAP_TYPE_GPSK: return "GPSK";
761 	case EAP_TYPE_PWD: return "PWD";
762 	case EAP_TYPE_EKE: return "EKE";
763 	case EAP_TYPE_TEAP: return "TEAP";
764 	default: return "Unknown";
765 	}
766 }
767 
768 
769 static void ieee802_1x_decapsulate_radius(struct eapol_test_data *e)
770 {
771 	struct wpabuf *eap;
772 	const struct eap_hdr *hdr;
773 	int eap_type = -1;
774 	char buf[64];
775 	struct radius_msg *msg;
776 
777 	if (e->last_recv_radius == NULL)
778 		return;
779 
780 	msg = e->last_recv_radius;
781 
782 	eap = radius_msg_get_eap(msg);
783 	if (!eap) {
784 		/* RFC 3579, Chap. 2.6.3:
785 		 * RADIUS server SHOULD NOT send Access-Reject/no EAP-Message
786 		 * attribute */
787 		wpa_printf(MSG_DEBUG,
788 			   "could not extract EAP-Message from RADIUS message");
789 		wpabuf_free(e->last_eap_radius);
790 		e->last_eap_radius = NULL;
791 		return;
792 	}
793 
794 	if (wpabuf_len(eap) < sizeof(*hdr)) {
795 		wpa_printf(MSG_DEBUG,
796 			   "too short EAP packet received from authentication server");
797 		wpabuf_free(eap);
798 		return;
799 	}
800 
801 	if (wpabuf_len(eap) > sizeof(*hdr))
802 		eap_type = (wpabuf_head_u8(eap))[sizeof(*hdr)];
803 
804 	hdr = wpabuf_head(eap);
805 	switch (hdr->code) {
806 	case EAP_CODE_REQUEST:
807 		os_snprintf(buf, sizeof(buf), "EAP-Request-%s (%d)",
808 			    eap_type >= 0 ? eap_type_text(eap_type) : "??",
809 			    eap_type);
810 		break;
811 	case EAP_CODE_RESPONSE:
812 		os_snprintf(buf, sizeof(buf), "EAP Response-%s (%d)",
813 			    eap_type >= 0 ? eap_type_text(eap_type) : "??",
814 			    eap_type);
815 		break;
816 	case EAP_CODE_SUCCESS:
817 		os_strlcpy(buf, "EAP Success", sizeof(buf));
818 		/* LEAP uses EAP Success within an authentication, so must not
819 		 * stop here with eloop_terminate(); */
820 		break;
821 	case EAP_CODE_FAILURE:
822 		os_strlcpy(buf, "EAP Failure", sizeof(buf));
823 		if (e->ctrl_iface)
824 			break;
825 		eloop_terminate();
826 		break;
827 	default:
828 		os_strlcpy(buf, "unknown EAP code", sizeof(buf));
829 		wpa_hexdump_buf(MSG_DEBUG, "Decapsulated EAP packet", eap);
830 		break;
831 	}
832 	buf[sizeof(buf) - 1] = '\0';
833 	wpa_printf(MSG_DEBUG,
834 		   "decapsulated EAP packet (code=%d id=%d len=%d) from RADIUS server: %s",
835 		   hdr->code, hdr->identifier, be_to_host16(hdr->length),
836 		   buf);
837 
838 	wpabuf_free(e->last_eap_radius);
839 	e->last_eap_radius = eap;
840 
841 	{
842 		struct ieee802_1x_hdr *dot1x;
843 		dot1x = os_malloc(sizeof(*dot1x) + wpabuf_len(eap));
844 		assert(dot1x != NULL);
845 		dot1x->version = EAPOL_VERSION;
846 		dot1x->type = IEEE802_1X_TYPE_EAP_PACKET;
847 		dot1x->length = htons(wpabuf_len(eap));
848 		os_memcpy((u8 *) (dot1x + 1), wpabuf_head(eap),
849 			  wpabuf_len(eap));
850 		eapol_sm_rx_eapol(e->wpa_s->eapol, e->wpa_s->bssid,
851 				  (u8 *) dot1x,
852 				  sizeof(*dot1x) + wpabuf_len(eap),
853 				  FRAME_ENCRYPTION_UNKNOWN);
854 		os_free(dot1x);
855 	}
856 }
857 
858 
859 static void ieee802_1x_get_keys(struct eapol_test_data *e,
860 				struct radius_msg *msg, struct radius_msg *req,
861 				const u8 *shared_secret,
862 				size_t shared_secret_len)
863 {
864 	struct radius_ms_mppe_keys *keys;
865 	u8 *buf;
866 	size_t len;
867 
868 	keys = radius_msg_get_ms_keys(msg, req, shared_secret,
869 				      shared_secret_len);
870 	if (keys && !keys->send && !keys->recv) {
871 		os_free(keys);
872 		keys = radius_msg_get_cisco_keys(msg, req, shared_secret,
873 						 shared_secret_len);
874 	}
875 
876 	if (keys) {
877 		if (keys->send) {
878 			wpa_hexdump(MSG_DEBUG, "MS-MPPE-Send-Key (sign)",
879 				    keys->send, keys->send_len);
880 		}
881 		if (keys->recv) {
882 			wpa_hexdump(MSG_DEBUG, "MS-MPPE-Recv-Key (crypt)",
883 				    keys->recv, keys->recv_len);
884 			e->authenticator_pmk_len =
885 				keys->recv_len > PMK_LEN ? PMK_LEN :
886 				keys->recv_len;
887 			os_memcpy(e->authenticator_pmk, keys->recv,
888 				  e->authenticator_pmk_len);
889 			if (e->authenticator_pmk_len == 16 && keys->send &&
890 			    keys->send_len == 16) {
891 				/* MS-CHAP-v2 derives 16 octet keys */
892 				wpa_printf(MSG_DEBUG, "Use MS-MPPE-Send-Key "
893 					   "to extend PMK to 32 octets");
894 				os_memcpy(e->authenticator_pmk +
895 					  e->authenticator_pmk_len,
896 					  keys->send, keys->send_len);
897 				e->authenticator_pmk_len += keys->send_len;
898 			}
899 		}
900 
901 		os_free(keys->send);
902 		os_free(keys->recv);
903 		os_free(keys);
904 	}
905 
906 	if (radius_msg_get_attr_ptr(msg, RADIUS_ATTR_EAP_KEY_NAME, &buf, &len,
907 				    NULL) == 0) {
908 		os_memcpy(e->authenticator_eap_key_name, buf, len);
909 		e->authenticator_eap_key_name_len = len;
910 	} else {
911 		e->authenticator_eap_key_name_len = 0;
912 	}
913 }
914 
915 
916 /* Process the RADIUS frames from Authentication Server */
917 static RadiusRxResult
918 ieee802_1x_receive_auth(struct radius_msg *msg, struct radius_msg *req,
919 			const u8 *shared_secret, size_t shared_secret_len,
920 			void *data)
921 {
922 	struct eapol_test_data *e = data;
923 	struct radius_hdr *hdr = radius_msg_get_hdr(msg);
924 
925 	/* RFC 2869, Ch. 5.13: valid Message-Authenticator attribute MUST be
926 	 * present when packet contains an EAP-Message attribute */
927 	if (hdr->code == RADIUS_CODE_ACCESS_REJECT &&
928 	    radius_msg_get_attr(msg, RADIUS_ATTR_MESSAGE_AUTHENTICATOR, NULL,
929 				0) < 0 &&
930 	    radius_msg_get_attr(msg, RADIUS_ATTR_EAP_MESSAGE, NULL, 0) < 0) {
931 		wpa_printf(MSG_DEBUG,
932 			   "Allowing RADIUS Access-Reject without Message-Authenticator since it does not include EAP-Message");
933 	} else if (radius_msg_verify(msg, shared_secret, shared_secret_len,
934 				     req, 1)) {
935 		wpa_printf(MSG_INFO,
936 			   "Incoming RADIUS packet did not have correct Message-Authenticator - dropped");
937 		return RADIUS_RX_INVALID_AUTHENTICATOR;
938 	}
939 
940 	if (hdr->code != RADIUS_CODE_ACCESS_ACCEPT &&
941 	    hdr->code != RADIUS_CODE_ACCESS_REJECT &&
942 	    hdr->code != RADIUS_CODE_ACCESS_CHALLENGE) {
943 		wpa_printf(MSG_INFO, "Unknown RADIUS message code");
944 		return RADIUS_RX_UNKNOWN;
945 	}
946 
947 	e->radius_identifier = -1;
948 	wpa_printf(MSG_DEBUG, "RADIUS packet matching with station");
949 
950 	radius_msg_free(e->last_recv_radius);
951 	e->last_recv_radius = msg;
952 
953 	switch (hdr->code) {
954 	case RADIUS_CODE_ACCESS_ACCEPT:
955 		e->radius_access_accept_received = 1;
956 		ieee802_1x_get_keys(e, msg, req, shared_secret,
957 				    shared_secret_len);
958 		break;
959 	case RADIUS_CODE_ACCESS_REJECT:
960 		e->radius_access_reject_received = 1;
961 		break;
962 	}
963 
964 	ieee802_1x_decapsulate_radius(e);
965 
966 	if ((hdr->code == RADIUS_CODE_ACCESS_ACCEPT &&
967 	     e->eapol_test_num_reauths < 0) ||
968 	    hdr->code == RADIUS_CODE_ACCESS_REJECT) {
969 		if (!e->ctrl_iface)
970 			eloop_terminate();
971 	}
972 
973 	return RADIUS_RX_QUEUED;
974 }
975 
976 
977 static int driver_get_ssid(void *priv, u8 *ssid)
978 {
979 	ssid[0] = 0;
980 	return 0;
981 }
982 
983 
984 static int driver_get_bssid(void *priv, u8 *bssid)
985 {
986 	struct eapol_test_data *e = priv;
987 
988 	if (e->ctrl_iface && !e->id_req_sent) {
989 		eloop_register_timeout(0, 0, send_eap_request_identity,
990 				       e->wpa_s, NULL);
991 		e->id_req_sent = 1;
992 	}
993 
994 	os_memset(bssid, 0, ETH_ALEN);
995 	bssid[5] = 1;
996 	return 0;
997 }
998 
999 
1000 static int driver_get_capa(void *priv, struct wpa_driver_capa *capa)
1001 {
1002 	os_memset(capa, 0, sizeof(*capa));
1003 	capa->flags = WPA_DRIVER_FLAGS_WIRED;
1004 	return 0;
1005 }
1006 
1007 
1008 struct wpa_driver_ops eapol_test_drv_ops = {
1009 	.name = "test",
1010 	.get_ssid = driver_get_ssid,
1011 	.get_bssid = driver_get_bssid,
1012 	.get_capa = driver_get_capa,
1013 };
1014 
1015 static void wpa_init_conf(struct eapol_test_data *e,
1016 			  struct wpa_supplicant *wpa_s, const char *authsrv,
1017 			  int port, bool tls, const char *secret,
1018 			  const char *ca_cert, const char *client_cert,
1019 			  const char *private_key,
1020 			  const char *private_key_passwd,
1021 			  const char *cli_addr, const char *ifname)
1022 {
1023 	struct hostapd_radius_server *as;
1024 	int res;
1025 
1026 	wpa_s->driver = &eapol_test_drv_ops;
1027 	wpa_s->drv_priv = e;
1028 	wpa_s->bssid[5] = 1;
1029 	os_memcpy(wpa_s->own_addr, e->own_addr, ETH_ALEN);
1030 	e->own_ip_addr.s_addr = htonl((127 << 24) | 1);
1031 	os_strlcpy(wpa_s->ifname, ifname, sizeof(wpa_s->ifname));
1032 
1033 	e->radius_conf = os_zalloc(sizeof(struct hostapd_radius_servers));
1034 	assert(e->radius_conf != NULL);
1035 	e->radius_conf->num_auth_servers = 1;
1036 	as = os_zalloc(sizeof(struct hostapd_radius_server));
1037 	assert(as != NULL);
1038 #if defined(CONFIG_NATIVE_WINDOWS) || defined(CONFIG_ANSI_C_EXTRA)
1039 	{
1040 		int a[4];
1041 		u8 *pos;
1042 		sscanf(authsrv, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3]);
1043 		pos = (u8 *) &as->addr.u.v4;
1044 		*pos++ = a[0];
1045 		*pos++ = a[1];
1046 		*pos++ = a[2];
1047 		*pos++ = a[3];
1048 		as->addr.af = AF_INET;
1049 	}
1050 #else /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
1051 	if (hostapd_parse_ip_addr(authsrv, &as->addr) < 0) {
1052 		wpa_printf(MSG_ERROR, "Invalid IP address '%s'",
1053 			   authsrv);
1054 		assert(0);
1055 	}
1056 #endif /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
1057 	as->port = port;
1058 	as->tls = tls;
1059 	as->shared_secret = (u8 *) os_strdup(secret);
1060 	as->shared_secret_len = os_strlen(secret);
1061 	if (ca_cert)
1062 		as->ca_cert = os_strdup(ca_cert);
1063 	if (client_cert)
1064 		as->client_cert = os_strdup(client_cert);
1065 	if (private_key)
1066 		as->private_key = os_strdup(private_key);
1067 	if (private_key_passwd)
1068 		as->private_key_passwd = os_strdup(private_key_passwd);
1069 	e->radius_conf->auth_server = as;
1070 	e->radius_conf->auth_servers = as;
1071 	e->radius_conf->msg_dumps = 1;
1072 	if (cli_addr) {
1073 		if (hostapd_parse_ip_addr(cli_addr,
1074 					  &e->radius_conf->client_addr) == 0)
1075 			e->radius_conf->force_client_addr = 1;
1076 		else {
1077 			wpa_printf(MSG_ERROR, "Invalid IP address '%s'",
1078 				   cli_addr);
1079 			assert(0);
1080 		}
1081 	}
1082 
1083 	e->radius = radius_client_init(wpa_s, e->radius_conf);
1084 	assert(e->radius != NULL);
1085 
1086 	res = radius_client_register(e->radius, RADIUS_AUTH,
1087 				     ieee802_1x_receive_auth, e);
1088 	assert(res == 0);
1089 }
1090 
1091 
1092 static int scard_test(struct eapol_test_data *e)
1093 {
1094 	struct scard_data *scard;
1095 	size_t len;
1096 	char imsi[20];
1097 	unsigned char _rand[16];
1098 #ifdef PCSC_FUNCS
1099 	unsigned char sres[4];
1100 	unsigned char kc[8];
1101 #endif /* PCSC_FUNCS */
1102 #define num_triplets 5
1103 	unsigned char rand_[num_triplets][16];
1104 	unsigned char sres_[num_triplets][4];
1105 	unsigned char kc_[num_triplets][8];
1106 	int i, res;
1107 	size_t j;
1108 
1109 #define AKA_RAND_LEN 16
1110 #define AKA_AUTN_LEN 16
1111 #define AKA_AUTS_LEN 14
1112 #define RES_MAX_LEN 16
1113 #define IK_LEN 16
1114 #define CK_LEN 16
1115 	unsigned char aka_rand[AKA_RAND_LEN];
1116 	unsigned char aka_autn[AKA_AUTN_LEN];
1117 	unsigned char aka_auts[AKA_AUTS_LEN];
1118 	unsigned char aka_res[RES_MAX_LEN];
1119 	size_t aka_res_len;
1120 	unsigned char aka_ik[IK_LEN];
1121 	unsigned char aka_ck[CK_LEN];
1122 
1123 	scard = scard_init(e->pcsc_reader);
1124 	if (scard == NULL)
1125 		return -1;
1126 	if (scard_set_pin(scard, e->pcsc_pin)) {
1127 		wpa_printf(MSG_WARNING, "PIN validation failed");
1128 		scard_deinit(scard);
1129 		return -1;
1130 	}
1131 
1132 	len = sizeof(imsi);
1133 	if (scard_get_imsi(scard, imsi, &len))
1134 		goto failed;
1135 	wpa_hexdump_ascii(MSG_DEBUG, "SCARD: IMSI", (u8 *) imsi, len);
1136 	/* NOTE: Permanent Username: 1 | IMSI */
1137 
1138 	wpa_printf(MSG_DEBUG, "SCARD: MNC length %d",
1139 		   scard_get_mnc_len(scard));
1140 
1141 	os_memset(_rand, 0, sizeof(_rand));
1142 	if (scard_gsm_auth(scard, _rand, sres, kc))
1143 		goto failed;
1144 
1145 	os_memset(_rand, 0xff, sizeof(_rand));
1146 	if (scard_gsm_auth(scard, _rand, sres, kc))
1147 		goto failed;
1148 
1149 	for (i = 0; i < num_triplets; i++) {
1150 		os_memset(rand_[i], i, sizeof(rand_[i]));
1151 		if (scard_gsm_auth(scard, rand_[i], sres_[i], kc_[i]))
1152 			goto failed;
1153 	}
1154 
1155 	for (i = 0; i < num_triplets; i++) {
1156 		printf("1");
1157 		for (j = 0; j < len; j++)
1158 			printf("%c", imsi[j]);
1159 		printf(",");
1160 		for (j = 0; j < 16; j++)
1161 			printf("%02X", rand_[i][j]);
1162 		printf(",");
1163 		for (j = 0; j < 4; j++)
1164 			printf("%02X", sres_[i][j]);
1165 		printf(",");
1166 		for (j = 0; j < 8; j++)
1167 			printf("%02X", kc_[i][j]);
1168 		printf("\n");
1169 	}
1170 
1171 	wpa_printf(MSG_DEBUG, "Trying to use UMTS authentication");
1172 
1173 	/* seq 39 (0x28) */
1174 	os_memset(aka_rand, 0xaa, 16);
1175 	os_memcpy(aka_autn, "\x86\x71\x31\xcb\xa2\xfc\x61\xdf"
1176 		  "\xa3\xb3\x97\x9d\x07\x32\xa2\x12", 16);
1177 
1178 	res = scard_umts_auth(scard, aka_rand, aka_autn, aka_res, &aka_res_len,
1179 			      aka_ik, aka_ck, aka_auts);
1180 	if (res == 0) {
1181 		wpa_printf(MSG_DEBUG, "UMTS auth completed successfully");
1182 		wpa_hexdump(MSG_DEBUG, "RES", aka_res, aka_res_len);
1183 		wpa_hexdump(MSG_DEBUG, "IK", aka_ik, IK_LEN);
1184 		wpa_hexdump(MSG_DEBUG, "CK", aka_ck, CK_LEN);
1185 	} else if (res == -2) {
1186 		wpa_printf(MSG_DEBUG, "UMTS auth resulted in synchronization "
1187 			   "failure");
1188 		wpa_hexdump(MSG_DEBUG, "AUTS", aka_auts, AKA_AUTS_LEN);
1189 	} else {
1190 		wpa_printf(MSG_DEBUG, "UMTS auth failed");
1191 	}
1192 
1193 failed:
1194 	scard_deinit(scard);
1195 
1196 	return 0;
1197 #undef num_triplets
1198 }
1199 
1200 
1201 static int scard_get_triplets(struct eapol_test_data *e, int argc, char *argv[])
1202 {
1203 	struct scard_data *scard;
1204 	size_t len;
1205 	char imsi[20];
1206 	unsigned char _rand[16];
1207 	unsigned char sres[4];
1208 	unsigned char kc[8];
1209 	int num_triplets;
1210 	int i;
1211 	size_t j;
1212 
1213 	if (argc < 2 || ((num_triplets = atoi(argv[1])) <= 0)) {
1214 		printf("invalid parameters for sim command\n");
1215 		return -1;
1216 	}
1217 
1218 	if (argc <= 2 || os_strcmp(argv[2], "debug") != 0) {
1219 		/* disable debug output */
1220 		wpa_debug_level = 99;
1221 	}
1222 
1223 	scard = scard_init(e->pcsc_reader);
1224 	if (scard == NULL) {
1225 		printf("Failed to open smartcard connection\n");
1226 		return -1;
1227 	}
1228 	if (scard_set_pin(scard, argv[0])) {
1229 		wpa_printf(MSG_WARNING, "PIN validation failed");
1230 		scard_deinit(scard);
1231 		return -1;
1232 	}
1233 
1234 	len = sizeof(imsi);
1235 	if (scard_get_imsi(scard, imsi, &len)) {
1236 		scard_deinit(scard);
1237 		return -1;
1238 	}
1239 
1240 	for (i = 0; i < num_triplets; i++) {
1241 		os_memset(_rand, i, sizeof(_rand));
1242 		if (scard_gsm_auth(scard, _rand, sres, kc))
1243 			break;
1244 
1245 		/* IMSI:Kc:SRES:RAND */
1246 		for (j = 0; j < len; j++)
1247 			printf("%c", imsi[j]);
1248 		printf(":");
1249 		for (j = 0; j < 8; j++)
1250 			printf("%02X", kc[j]);
1251 		printf(":");
1252 		for (j = 0; j < 4; j++)
1253 			printf("%02X", sres[j]);
1254 		printf(":");
1255 		for (j = 0; j < 16; j++)
1256 			printf("%02X", _rand[j]);
1257 		printf("\n");
1258 	}
1259 
1260 	scard_deinit(scard);
1261 
1262 	return 0;
1263 }
1264 
1265 
1266 static void eapol_test_terminate(int sig, void *signal_ctx)
1267 {
1268 	struct wpa_supplicant *wpa_s = signal_ctx;
1269 	wpa_msg(wpa_s, MSG_INFO, "Signal %d received - terminating", sig);
1270 	eloop_terminate();
1271 }
1272 
1273 
1274 static void usage(void)
1275 {
1276 	printf("usage:\n"
1277 	       "eapol_test [-enWSv] -c<conf> [-a<AS IP>] [-p<AS port>] "
1278 	       "[-s<AS secret>] \\\n"
1279 	       "           [-X<RADIUS protocol> \\\n"
1280 	       "           [-r<count>] [-t<timeout>] [-C<Connect-Info>] \\\n"
1281 	       "           [-M<client MAC address>] [-o<server cert file] \\\n"
1282 	       "           [-N<attr spec>] [-R<PC/SC reader>] "
1283 	       "[-P<PC/SC PIN>] \\\n"
1284 #ifdef CONFIG_RADIUS_TLS
1285 	       "           [-j<CA cert>] [-J<client cert>] \\\n"
1286 	       "[-k<private key] [-K<private key passwd>] \\\n"
1287 #endif /* CONFIG_RADIUS_TLS */
1288 	       "           [-A<client IP>] [-i<ifname>] [-T<ctrl_iface>]\n"
1289 	       "eapol_test scard\n"
1290 	       "eapol_test sim <PIN> <num triplets> [debug]\n"
1291 	       "\n");
1292 	printf("options:\n"
1293 	       "  -c<conf> = configuration file\n"
1294 	       "  -a<AS IP> = IP address of the authentication server, "
1295 	       "default 127.0.0.1\n"
1296 	       "  -p<AS port> = Port of the authentication server,\n"
1297 	       "                default 1812 for RADIUS/UDP and 2083 for RADIUS/TLS\n"
1298 	       "  -s<AS secret> = shared secret with the authentication server,\n"
1299 	       "                  default 'radius' for RADIUS/UDP and 'radsec' for RADIUS/TLS\n"
1300 	       "  -X<RADIUS protocol> = RADIUS protocol to use: UDP (default) or TLS\n"
1301 	       "  -A<client IP> = IP address of the client, default: select "
1302 	       "automatically\n"
1303 	       "  -r<count> = number of re-authentications\n"
1304 	       "  -e = Request EAP-Key-Name\n"
1305 	       "  -W = wait for a control interface monitor before starting\n"
1306 	       "  -S = save configuration after authentication\n"
1307 	       "  -n = no MPPE keys expected\n"
1308 	       "  -v = show version\n"
1309 	       "  -t<timeout> = sets timeout in seconds (default: 30 s)\n"
1310 	       "  -C<Connect-Info> = RADIUS Connect-Info (default: "
1311 	       "CONNECT 11Mbps 802.11b)\n"
1312 	       "  -M<client MAC address> = Set own MAC address "
1313 	       "(Calling-Station-Id,\n"
1314 	       "                           default: 02:00:00:00:00:01)\n"
1315 	       "  -o<server cert file> = Write received server certificate\n"
1316 	       "                         chain to the specified file\n"
1317 	       "  -N<attr spec> = send arbitrary attribute specified by:\n"
1318 	       "                  attr_id:syntax:value or attr_id\n"
1319 	       "                  attr_id - number id of the attribute\n"
1320 	       "                  syntax - one of: s, d, x\n"
1321 	       "                     s = string\n"
1322 	       "                     d = integer\n"
1323 	       "                     x = octet string\n"
1324 	       "                  value - attribute value.\n"
1325 	       "       When only attr_id is specified, NULL will be used as "
1326 	       "value.\n"
1327 	       "       Multiple attributes can be specified by using the "
1328 	       "option several times.\n");
1329 }
1330 
1331 
1332 int main(int argc, char *argv[])
1333 {
1334 	struct wpa_global global;
1335 	struct wpa_supplicant wpa_s;
1336 	int c, ret = 1, wait_for_monitor = 0, save_config = 0;
1337 	char *as_addr = "127.0.0.1";
1338 	int as_port = -1;
1339 	char *as_secret = NULL;
1340 	char *ca_cert = NULL, *client_cert = NULL;
1341 	char *private_key = NULL, *private_key_passwd = NULL;
1342 	bool tls = false;
1343 	char *cli_addr = NULL;
1344 	char *conf = NULL;
1345 	int timeout = 30;
1346 	char *pos;
1347 	struct extra_radius_attr *p = NULL, *p1;
1348 	const char *ifname = "test";
1349 	const char *ctrl_iface = NULL;
1350 
1351 	if (os_program_init())
1352 		return -1;
1353 
1354 	hostapd_logger_register_cb(hostapd_logger_cb);
1355 
1356 	os_memset(&eapol_test, 0, sizeof(eapol_test));
1357 	eapol_test.connect_info = "CONNECT 11Mbps 802.11b";
1358 	os_memcpy(eapol_test.own_addr, "\x02\x00\x00\x00\x00\x01", ETH_ALEN);
1359 	eapol_test.pcsc_pin = "1234";
1360 
1361 	wpa_debug_level = 0;
1362 	wpa_debug_show_keys = 1;
1363 
1364 	for (;;) {
1365 		c = getopt(argc, argv,
1366 			   "a:A:c:C:ei:j:J:k:K:M:nN:o:p:P:r:R:s:St:T:vWX:");
1367 		if (c < 0)
1368 			break;
1369 		switch (c) {
1370 		case 'a':
1371 			as_addr = optarg;
1372 			break;
1373 		case 'A':
1374 			cli_addr = optarg;
1375 			break;
1376 		case 'c':
1377 			conf = optarg;
1378 			break;
1379 		case 'C':
1380 			eapol_test.connect_info = optarg;
1381 			break;
1382 		case 'e':
1383 			eapol_test.req_eap_key_name = 1;
1384 			break;
1385 		case 'i':
1386 			ifname = optarg;
1387 			break;
1388 #ifdef CONFIG_RADIUS_TLS
1389 		case 'j':
1390 			ca_cert = optarg;
1391 			break;
1392 		case 'J':
1393 			client_cert = optarg;
1394 			break;
1395 		case 'k':
1396 			private_key = optarg;
1397 			break;
1398 		case 'K':
1399 			private_key_passwd = optarg;
1400 			break;
1401 #endif /* CONFIG_RADIUS_TLS */
1402 		case 'M':
1403 			if (hwaddr_aton(optarg, eapol_test.own_addr)) {
1404 				usage();
1405 				return -1;
1406 			}
1407 			break;
1408 		case 'n':
1409 			eapol_test.no_mppe_keys++;
1410 			break;
1411 		case 'o':
1412 			if (eapol_test.server_cert_file)
1413 				fclose(eapol_test.server_cert_file);
1414 			eapol_test.server_cert_file = fopen(optarg, "w");
1415 			if (eapol_test.server_cert_file == NULL) {
1416 				printf("Could not open '%s' for writing\n",
1417 				       optarg);
1418 				return -1;
1419 			}
1420 			break;
1421 		case 'p':
1422 			as_port = atoi(optarg);
1423 			break;
1424 		case 'P':
1425 			eapol_test.pcsc_pin = optarg;
1426 			break;
1427 		case 'r':
1428 			eapol_test.eapol_test_num_reauths = atoi(optarg);
1429 			break;
1430 		case 'R':
1431 			eapol_test.pcsc_reader = optarg;
1432 			break;
1433 		case 's':
1434 			as_secret = optarg;
1435 			break;
1436 		case 'S':
1437 			save_config++;
1438 			break;
1439 		case 't':
1440 			timeout = atoi(optarg);
1441 			break;
1442 		case 'T':
1443 			ctrl_iface = optarg;
1444 			eapol_test.ctrl_iface = 1;
1445 			break;
1446 		case 'v':
1447 			printf("eapol_test v%s\n", VERSION_STR);
1448 			return 0;
1449 		case 'W':
1450 			wait_for_monitor++;
1451 			break;
1452 		case 'X':
1453 			if (os_strcmp(optarg, "UDP") == 0) {
1454 				tls = false;
1455 			} else if (os_strcmp(optarg, "TLS") == 0) {
1456 				tls = true;
1457 			} else {
1458 				usage();
1459 				return -1;
1460 			}
1461 			break;
1462 		case 'N':
1463 			p1 = os_zalloc(sizeof(*p1));
1464 			if (p1 == NULL)
1465 				break;
1466 			if (!p)
1467 				eapol_test.extra_attrs = p1;
1468 			else
1469 				p->next = p1;
1470 			p = p1;
1471 
1472 			p->type = atoi(optarg);
1473 			pos = os_strchr(optarg, ':');
1474 			if (pos == NULL) {
1475 				p->syntax = 'n';
1476 				p->data = NULL;
1477 				break;
1478 			}
1479 
1480 			pos++;
1481 			if (pos[0] == '\0' || pos[1] != ':') {
1482 				printf("Incorrect format of attribute "
1483 				       "specification\n");
1484 				break;
1485 			}
1486 
1487 			p->syntax = pos[0];
1488 			p->data = pos + 2;
1489 			break;
1490 		default:
1491 			usage();
1492 			return -1;
1493 		}
1494 	}
1495 
1496 	if (!as_secret)
1497 		as_secret = tls ? "radsec" : "radius";
1498 	if (as_port < 0)
1499 		as_port = tls ? 2083 : 1812;
1500 
1501 	if (argc > optind && os_strcmp(argv[optind], "scard") == 0) {
1502 		return scard_test(&eapol_test);
1503 	}
1504 
1505 	if (argc > optind && os_strcmp(argv[optind], "sim") == 0) {
1506 		return scard_get_triplets(&eapol_test, argc - optind - 1,
1507 					  &argv[optind + 1]);
1508 	}
1509 
1510 	if (conf == NULL && !ctrl_iface) {
1511 		usage();
1512 		printf("Configuration file is required.\n");
1513 		return -1;
1514 	}
1515 
1516 	if (eap_register_methods()) {
1517 		wpa_printf(MSG_ERROR, "Failed to register EAP methods");
1518 		return -1;
1519 	}
1520 
1521 	if (eloop_init()) {
1522 		wpa_printf(MSG_ERROR, "Failed to initialize event loop");
1523 		return -1;
1524 	}
1525 
1526 	os_memset(&global, 0, sizeof(global));
1527 	os_memset(&wpa_s, 0, sizeof(wpa_s));
1528 	wpa_s.global = &global;
1529 	eapol_test.wpa_s = &wpa_s;
1530 	dl_list_init(&wpa_s.bss);
1531 	dl_list_init(&wpa_s.bss_id);
1532 	if (conf)
1533 		wpa_s.conf = wpa_config_read(conf, NULL, false);
1534 	else
1535 		wpa_s.conf = wpa_config_alloc_empty(ctrl_iface, NULL);
1536 	if (wpa_s.conf == NULL) {
1537 		printf("Failed to parse configuration file '%s'.\n", conf);
1538 		return -1;
1539 	}
1540 	if (!ctrl_iface && wpa_s.conf->ssid == NULL) {
1541 		printf("No networks defined.\n");
1542 		return -1;
1543 	}
1544 
1545 	if (eapol_test.pcsc_reader) {
1546 		os_free(wpa_s.conf->pcsc_reader);
1547 		wpa_s.conf->pcsc_reader = os_strdup(eapol_test.pcsc_reader);
1548 	}
1549 
1550 	wpa_init_conf(&eapol_test, &wpa_s, as_addr, as_port, tls, as_secret,
1551 		      ca_cert, client_cert, private_key, private_key_passwd,
1552 		      cli_addr, ifname);
1553 	wpa_s.ctrl_iface = wpa_supplicant_ctrl_iface_init(&wpa_s);
1554 	if (wpa_s.ctrl_iface == NULL) {
1555 		printf("Failed to initialize control interface '%s'.\n"
1556 		       "You may have another eapol_test process already "
1557 		       "running or the file was\n"
1558 		       "left by an unclean termination of eapol_test in "
1559 		       "which case you will need\n"
1560 		       "to manually remove this file before starting "
1561 		       "eapol_test again.\n",
1562 		       wpa_s.conf->ctrl_interface);
1563 		return -1;
1564 	}
1565 	if (wpa_s.conf->ssid &&
1566 	    wpa_supplicant_scard_init(&wpa_s, wpa_s.conf->ssid))
1567 		return -1;
1568 
1569 	if (test_eapol(&eapol_test, &wpa_s, wpa_s.conf->ssid))
1570 		return -1;
1571 
1572 	if (wpas_init_ext_pw(&wpa_s) < 0)
1573 		return -1;
1574 
1575 	if (wait_for_monitor)
1576 		wpa_supplicant_ctrl_iface_wait(wpa_s.ctrl_iface);
1577 
1578 	if (!ctrl_iface) {
1579 		eloop_register_timeout(timeout, 0, eapol_test_timeout,
1580 				       &eapol_test, NULL);
1581 		eloop_register_timeout(0, 0, send_eap_request_identity, &wpa_s,
1582 				       NULL);
1583 	}
1584 	eloop_register_signal_terminate(eapol_test_terminate, &wpa_s);
1585 	eloop_register_signal_reconfig(eapol_test_terminate, &wpa_s);
1586 	eloop_run();
1587 
1588 	eloop_cancel_timeout(eapol_test_timeout, &eapol_test, NULL);
1589 	eloop_cancel_timeout(eapol_sm_reauth, &eapol_test, NULL);
1590 
1591 	if (eapol_test_compare_pmk(&eapol_test) == 0 ||
1592 	    eapol_test.no_mppe_keys)
1593 		ret = 0;
1594 	if (eapol_test.auth_timed_out)
1595 		ret = -2;
1596 	if (eapol_test.radius_access_reject_received)
1597 		ret = -3;
1598 
1599 	if (save_config)
1600 		wpa_config_write(conf, wpa_s.conf);
1601 
1602 	test_eapol_clean(&eapol_test, &wpa_s);
1603 
1604 	eap_peer_unregister_methods();
1605 #ifdef CONFIG_AP
1606 	eap_server_unregister_methods();
1607 #endif /* CONFIG_AP */
1608 
1609 	eloop_destroy();
1610 
1611 	if (eapol_test.server_cert_file)
1612 		fclose(eapol_test.server_cert_file);
1613 
1614 	printf("MPPE keys OK: %d  mismatch: %d\n",
1615 	       eapol_test.num_mppe_ok, eapol_test.num_mppe_mismatch);
1616 	if (eapol_test.num_mppe_mismatch)
1617 		ret = -4;
1618 	if (ret)
1619 		printf("FAILURE\n");
1620 	else
1621 		printf("SUCCESS\n");
1622 
1623 	crypto_unload();
1624 	os_program_deinit();
1625 
1626 	return ret;
1627 }
1628