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Fix couple of forgotten wpa_hw_modes -> hostapd_hw_modes
[thirdparty/hostap.git] / wpa_supplicant / eapol_test.c
CommitLineData
6fc6879b
JM		 1/*
2 * WPA Supplicant - test code
3 * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 *
9 * Alternatively, this software may be distributed under the terms of BSD
10 * license.
11 *
12 * See README and COPYING for more details.
13 *
14 * IEEE 802.1X Supplicant test code (to be used in place of wpa_supplicant.c.
15 * Not used in production version.
16 */
17
18#include "includes.h"
19#include <assert.h>
20
21#include "common.h"
22#include "config.h"
23#include "eapol_supp/eapol_supp_sm.h"
24#include "eap_peer/eap.h"
25#include "eloop.h"
26#include "wpa.h"
27#include "eap_peer/eap_i.h"
28#include "wpa_supplicant_i.h"
29#include "radius/radius.h"
30#include "radius/radius_client.h"
31#include "ctrl_iface.h"
32#include "pcsc_funcs.h"
33
34
35extern int wpa_debug_level;
36extern int wpa_debug_show_keys;
37
38struct wpa_driver_ops *wpa_supplicant_drivers[] = { NULL };
39
40
db803a36
TW		 41struct extra_radius_attr {
42 u8 type;
43 char syntax;
44 char *data;
45 struct extra_radius_attr *next;
46};
47
6fc6879b
JM		 48struct eapol_test_data {
49 struct wpa_supplicant *wpa_s;
50
51 int eapol_test_num_reauths;
52 int no_mppe_keys;
53 int num_mppe_ok, num_mppe_mismatch;
54
55 u8 radius_identifier;
56 struct radius_msg *last_recv_radius;
57 struct in_addr own_ip_addr;
58 struct radius_client_data *radius;
59 struct hostapd_radius_servers *radius_conf;
60
61 u8 *last_eap_radius; /* last received EAP Response from Authentication
62 * Server */
63 size_t last_eap_radius_len;
64
65 u8 authenticator_pmk[PMK_LEN];
66 size_t authenticator_pmk_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];
db803a36 76 struct extra_radius_attr *extra_attrs;
6fc6879b
JM		 77};
78
79static struct eapol_test_data eapol_test;
80
81
82static void send_eap_request_identity(void *eloop_ctx, void *timeout_ctx);
83
84
85static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module,
86 int level, const char *txt, size_t len)
87{
88 if (addr)
89 wpa_printf(MSG_DEBUG, "STA " MACSTR ": %s\n",
90 MAC2STR(addr), txt);
91 else
92 wpa_printf(MSG_DEBUG, "%s", txt);
93}
94
95
db803a36
TW		 96static int add_extra_attr(struct radius_msg *msg,
97 struct extra_radius_attr *attr)
98{
99 size_t len;
100 char *pos;
101 u32 val;
102 char buf[128];
103
104 switch (attr->syntax) {
105 case 's':
106 os_snprintf(buf, sizeof(buf), "%s", attr->data);
107 len = os_strlen(buf);
108 break;
109 case 'n':
110 buf[0] = '\0';
111 len = 1;
112 break;
113 case 'x':
114 pos = attr->data;
115 if (pos[0] == '0' && pos[1] == 'x')
116 pos += 2;
117 len = os_strlen(pos);
118 if ((len & 1) || (len / 2) > sizeof(buf)) {
119 printf("Invalid extra attribute hexstring\n");
120 return -1;
121 }
122 len /= 2;
123 if (hexstr2bin(pos, (u8 *) buf, len) < 0) {
124 printf("Invalid extra attribute hexstring\n");
125 return -1;
126 }
127 break;
128 case 'd':
129 val = htonl(atoi(attr->data));
130 os_memcpy(buf, &val, 4);
131 len = 4;
132 break;
133 default:
134 printf("Incorrect extra attribute syntax specification\n");
135 return -1;
136 }
137
138 if (!radius_msg_add_attr(msg, attr->type, (u8 *) buf, len)) {
139 printf("Could not add attribute %d\n", attr->type);
140 return -1;
141 }
142
143 return 0;
144}
145
146
147static int add_extra_attrs(struct radius_msg *msg,
148 struct extra_radius_attr *attrs)
149{
150 struct extra_radius_attr *p;
151 for (p = attrs; p; p = p->next) {
152 if (add_extra_attr(msg, p) < 0)
153 return -1;
154 }
155 return 0;
156}
157
158
676ea341
JM		 159static struct extra_radius_attr *
160find_extra_attr(struct extra_radius_attr *attrs, u8 type)
161{
162 struct extra_radius_attr *p;
163 for (p = attrs; p; p = p->next) {
164 if (p->type == type)
165 return p;
166 }
167 return NULL;
168}
169
170
6fc6879b
JM		 171static void ieee802_1x_encapsulate_radius(struct eapol_test_data *e,
172 const u8 *eap, size_t len)
173{
174 struct radius_msg *msg;
175 char buf[128];
176 const struct eap_hdr *hdr;
177 const u8 *pos;
178
179 wpa_printf(MSG_DEBUG, "Encapsulating EAP message into a RADIUS "
180 "packet");
181
182 e->radius_identifier = radius_client_get_id(e->radius);
183 msg = radius_msg_new(RADIUS_CODE_ACCESS_REQUEST,
184 e->radius_identifier);
185 if (msg == NULL) {
186 printf("Could not create net RADIUS packet\n");
187 return;
188 }
189
190 radius_msg_make_authenticator(msg, (u8 *) e, sizeof(*e));
191
192 hdr = (const struct eap_hdr *) eap;
193 pos = (const u8 *) (hdr + 1);
194 if (len > sizeof(*hdr) && hdr->code == EAP_CODE_RESPONSE &&
195 pos[0] == EAP_TYPE_IDENTITY) {
196 pos++;
197 os_free(e->eap_identity);
198 e->eap_identity_len = len - sizeof(*hdr) - 1;
199 e->eap_identity = os_malloc(e->eap_identity_len);
200 if (e->eap_identity) {
201 os_memcpy(e->eap_identity, pos, e->eap_identity_len);
202 wpa_hexdump(MSG_DEBUG, "Learned identity from "
203 "EAP-Response-Identity",
204 e->eap_identity, e->eap_identity_len);
205 }
206 }
207
208 if (e->eap_identity &&
209 !radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME,
210 e->eap_identity, e->eap_identity_len)) {
211 printf("Could not add User-Name\n");
212 goto fail;
213 }
214
676ea341
JM		 215 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_NAS_IP_ADDRESS) &&
216 !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
6fc6879b
JM		 217 (u8 *) &e->own_ip_addr, 4)) {
218 printf("Could not add NAS-IP-Address\n");
219 goto fail;
220 }
221
222 os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT,
223 MAC2STR(e->wpa_s->own_addr));
676ea341
JM		 224 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_CALLING_STATION_ID)
225 &&
226 !radius_msg_add_attr(msg, RADIUS_ATTR_CALLING_STATION_ID,
6fc6879b
JM		 227 (u8 *) buf, os_strlen(buf))) {
228 printf("Could not add Calling-Station-Id\n");
229 goto fail;
230 }
231
232 /* TODO: should probably check MTU from driver config; 2304 is max for
233 * IEEE 802.11, but use 1400 to avoid problems with too large packets
234 */
676ea341
JM		 235 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_FRAMED_MTU) &&
236 !radius_msg_add_attr_int32(msg, RADIUS_ATTR_FRAMED_MTU, 1400)) {
6fc6879b
JM		 237 printf("Could not add Framed-MTU\n");
238 goto fail;
239 }
240
676ea341
JM		 241 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_NAS_PORT_TYPE) &&
242 !radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT_TYPE,
6fc6879b
JM		 243 RADIUS_NAS_PORT_TYPE_IEEE_802_11)) {
244 printf("Could not add NAS-Port-Type\n");
245 goto fail;
246 }
247
248 os_snprintf(buf, sizeof(buf), "%s", e->connect_info);
676ea341
JM		 249 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_CONNECT_INFO) &&
250 !radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
6fc6879b
JM		 251 (u8 *) buf, os_strlen(buf))) {
252 printf("Could not add Connect-Info\n");
253 goto fail;
254 }
255
db803a36
TW		 256 if (add_extra_attrs(msg, e->extra_attrs) < 0)
257 goto fail;
1e4b9da1 258
6fc6879b
JM		 259 if (eap && !radius_msg_add_eap(msg, eap, len)) {
260 printf("Could not add EAP-Message\n");
261 goto fail;
262 }
263
264 /* State attribute must be copied if and only if this packet is
265 * Access-Request reply to the previous Access-Challenge */
266 if (e->last_recv_radius && e->last_recv_radius->hdr->code ==
267 RADIUS_CODE_ACCESS_CHALLENGE) {
268 int res = radius_msg_copy_attr(msg, e->last_recv_radius,
269 RADIUS_ATTR_STATE);
270 if (res < 0) {
271 printf("Could not copy State attribute from previous "
272 "Access-Challenge\n");
273 goto fail;
274 }
275 if (res > 0) {
276 wpa_printf(MSG_DEBUG, " Copied RADIUS State "
277 "Attribute");
278 }
279 }
280
281 radius_client_send(e->radius, msg, RADIUS_AUTH, e->wpa_s->own_addr);
282 return;
283
284 fail:
285 radius_msg_free(msg);
286 os_free(msg);
287}
288
289
290static int eapol_test_eapol_send(void *ctx, int type, const u8 *buf,
291 size_t len)
292{
293 /* struct wpa_supplicant *wpa_s = ctx; */
294 printf("WPA: eapol_test_eapol_send(type=%d len=%lu)\n",
295 type, (unsigned long) len);
296 if (type == IEEE802_1X_TYPE_EAP_PACKET) {
297 wpa_hexdump(MSG_DEBUG, "TX EAP -> RADIUS", buf, len);
298 ieee802_1x_encapsulate_radius(&eapol_test, buf, len);
299 }
300 return 0;
301}
302
303
304static void eapol_test_set_config_blob(void *ctx,
305 struct wpa_config_blob *blob)
306{
307 struct wpa_supplicant *wpa_s = ctx;
308 wpa_config_set_blob(wpa_s->conf, blob);
309}
310
311
312static const struct wpa_config_blob *
313eapol_test_get_config_blob(void *ctx, const char *name)
314{
315 struct wpa_supplicant *wpa_s = ctx;
316 return wpa_config_get_blob(wpa_s->conf, name);
317}
318
319
320static void eapol_test_eapol_done_cb(void *ctx)
321{
322 printf("WPA: EAPOL processing complete\n");
323}
324
325
326static void eapol_sm_reauth(void *eloop_ctx, void *timeout_ctx)
327{
328 struct eapol_test_data *e = eloop_ctx;
329 printf("\n\n\n\n\neapol_test: Triggering EAP reauthentication\n\n");
330 e->radius_access_accept_received = 0;
331 send_eap_request_identity(e->wpa_s, NULL);
332}
333
334
335static int eapol_test_compare_pmk(struct eapol_test_data *e)
336{
337 u8 pmk[PMK_LEN];
338 int ret = 1;
339
340 if (eapol_sm_get_key(e->wpa_s->eapol, pmk, PMK_LEN) == 0) {
341 wpa_hexdump(MSG_DEBUG, "PMK from EAPOL", pmk, PMK_LEN);
342 if (os_memcmp(pmk, e->authenticator_pmk, PMK_LEN) != 0) {
343 printf("WARNING: PMK mismatch\n");
344 wpa_hexdump(MSG_DEBUG, "PMK from AS",
345 e->authenticator_pmk, PMK_LEN);
346 } else if (e->radius_access_accept_received)
347 ret = 0;
348 } else if (e->authenticator_pmk_len == 16 &&
349 eapol_sm_get_key(e->wpa_s->eapol, pmk, 16) == 0) {
350 wpa_hexdump(MSG_DEBUG, "LEAP PMK from EAPOL", pmk, 16);
351 if (os_memcmp(pmk, e->authenticator_pmk, 16) != 0) {
352 printf("WARNING: PMK mismatch\n");
353 wpa_hexdump(MSG_DEBUG, "PMK from AS",
354 e->authenticator_pmk, 16);
355 } else if (e->radius_access_accept_received)
356 ret = 0;
357 } else if (e->radius_access_accept_received && e->no_mppe_keys) {
358 /* No keying material expected */
359 ret = 0;
360 }
361
362 if (ret && !e->no_mppe_keys)
363 e->num_mppe_mismatch++;
364 else if (!e->no_mppe_keys)
365 e->num_mppe_ok++;
366
367 return ret;
368}
369
370
371static void eapol_sm_cb(struct eapol_sm *eapol, int success, void *ctx)
372{
373 struct eapol_test_data *e = ctx;
374 printf("eapol_sm_cb: success=%d\n", success);
375 e->eapol_test_num_reauths--;
376 if (e->eapol_test_num_reauths < 0)
377 eloop_terminate();
378 else {
379 eapol_test_compare_pmk(e);
380 eloop_register_timeout(0, 100000, eapol_sm_reauth, e, NULL);
381 }
382}
383
384
385static int test_eapol(struct eapol_test_data *e, struct wpa_supplicant *wpa_s,
386 struct wpa_ssid *ssid)
387{
388 struct eapol_config eapol_conf;
389 struct eapol_ctx *ctx;
390
391 ctx = os_zalloc(sizeof(*ctx));
392 if (ctx == NULL) {
393 printf("Failed to allocate EAPOL context.\n");
394 return -1;
395 }
396 ctx->ctx = wpa_s;
397 ctx->msg_ctx = wpa_s;
398 ctx->scard_ctx = wpa_s->scard;
399 ctx->cb = eapol_sm_cb;
400 ctx->cb_ctx = e;
401 ctx->eapol_send_ctx = wpa_s;
402 ctx->preauth = 0;
403 ctx->eapol_done_cb = eapol_test_eapol_done_cb;
404 ctx->eapol_send = eapol_test_eapol_send;
405 ctx->set_config_blob = eapol_test_set_config_blob;
406 ctx->get_config_blob = eapol_test_get_config_blob;
407#ifdef EAP_TLS_OPENSSL
408 ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
409 ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
410 ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
411#endif /* EAP_TLS_OPENSSL */
412
413 wpa_s->eapol = eapol_sm_init(ctx);
414 if (wpa_s->eapol == NULL) {
415 os_free(ctx);
416 printf("Failed to initialize EAPOL state machines.\n");
417 return -1;
418 }
419
420 wpa_s->current_ssid = ssid;
421 os_memset(&eapol_conf, 0, sizeof(eapol_conf));
422 eapol_conf.accept_802_1x_keys = 1;
423 eapol_conf.required_keys = 0;
424 eapol_conf.fast_reauth = wpa_s->conf->fast_reauth;
425 eapol_conf.workaround = ssid->eap_workaround;
426 eapol_sm_notify_config(wpa_s->eapol, &ssid->eap, &eapol_conf);
427 eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
428
429
430 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
431 /* 802.1X::portControl = Auto */
432 eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
433
434 return 0;
435}
436
437
438static void test_eapol_clean(struct eapol_test_data *e,
439 struct wpa_supplicant *wpa_s)
440{
db803a36
TW		 441 struct extra_radius_attr *p, *prev;
442
6fc6879b
JM		 443 radius_client_deinit(e->radius);
444 os_free(e->last_eap_radius);
445 if (e->last_recv_radius) {
446 radius_msg_free(e->last_recv_radius);
447 os_free(e->last_recv_radius);
448 }
449 os_free(e->eap_identity);
450 e->eap_identity = NULL;
451 eapol_sm_deinit(wpa_s->eapol);
452 wpa_s->eapol = NULL;
453 if (e->radius_conf && e->radius_conf->auth_server) {
454 os_free(e->radius_conf->auth_server->shared_secret);
455 os_free(e->radius_conf->auth_server);
456 }
457 os_free(e->radius_conf);
458 e->radius_conf = NULL;
459 scard_deinit(wpa_s->scard);
460 if (wpa_s->ctrl_iface) {
461 wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface);
462 wpa_s->ctrl_iface = NULL;
463 }
464 wpa_config_free(wpa_s->conf);
db803a36
TW		 465
466 p = e->extra_attrs;
467 while (p) {
468 prev = p;
469 p = p->next;
470 os_free(prev);
471 }
6fc6879b
JM		 472}
473
474
475static void send_eap_request_identity(void *eloop_ctx, void *timeout_ctx)
476{
477 struct wpa_supplicant *wpa_s = eloop_ctx;
478 u8 buf[100], *pos;
479 struct ieee802_1x_hdr *hdr;
480 struct eap_hdr *eap;
481
482 hdr = (struct ieee802_1x_hdr *) buf;
483 hdr->version = EAPOL_VERSION;
484 hdr->type = IEEE802_1X_TYPE_EAP_PACKET;
485 hdr->length = htons(5);
486
487 eap = (struct eap_hdr *) (hdr + 1);
488 eap->code = EAP_CODE_REQUEST;
489 eap->identifier = 0;
490 eap->length = htons(5);
491 pos = (u8 *) (eap + 1);
492 *pos = EAP_TYPE_IDENTITY;
493
494 printf("Sending fake EAP-Request-Identity\n");
495 eapol_sm_rx_eapol(wpa_s->eapol, wpa_s->bssid, buf,
496 sizeof(*hdr) + 5);
497}
498
499
500static void eapol_test_timeout(void *eloop_ctx, void *timeout_ctx)
501{
502 struct eapol_test_data *e = eloop_ctx;
503 printf("EAPOL test timed out\n");
504 e->auth_timed_out = 1;
505 eloop_terminate();
506}
507
508
509static char *eap_type_text(u8 type)
510{
511 switch (type) {
512 case EAP_TYPE_IDENTITY: return "Identity";
513 case EAP_TYPE_NOTIFICATION: return "Notification";
514 case EAP_TYPE_NAK: return "Nak";
515 case EAP_TYPE_TLS: return "TLS";
516 case EAP_TYPE_TTLS: return "TTLS";
517 case EAP_TYPE_PEAP: return "PEAP";
518 case EAP_TYPE_SIM: return "SIM";
519 case EAP_TYPE_GTC: return "GTC";
520 case EAP_TYPE_MD5: return "MD5";
521 case EAP_TYPE_OTP: return "OTP";
522 case EAP_TYPE_FAST: return "FAST";
523 case EAP_TYPE_SAKE: return "SAKE";
524 case EAP_TYPE_PSK: return "PSK";
525 default: return "Unknown";
526 }
527}
528
529
530static void ieee802_1x_decapsulate_radius(struct eapol_test_data *e)
531{
532 u8 *eap;
533 size_t len;
534 struct eap_hdr *hdr;
535 int eap_type = -1;
536 char buf[64];
537 struct radius_msg *msg;
538
539 if (e->last_recv_radius == NULL)
540 return;
541
542 msg = e->last_recv_radius;
543
544 eap = radius_msg_get_eap(msg, &len);
545 if (eap == NULL) {
546 /* draft-aboba-radius-rfc2869bis-20.txt, Chap. 2.6.3:
547 * RADIUS server SHOULD NOT send Access-Reject/no EAP-Message
548 * attribute */
549 wpa_printf(MSG_DEBUG, "could not extract "
550 "EAP-Message from RADIUS message");
551 os_free(e->last_eap_radius);
552 e->last_eap_radius = NULL;
553 e->last_eap_radius_len = 0;
554 return;
555 }
556
557 if (len < sizeof(*hdr)) {
558 wpa_printf(MSG_DEBUG, "too short EAP packet "
559 "received from authentication server");
560 os_free(eap);
561 return;
562 }
563
564 if (len > sizeof(*hdr))
565 eap_type = eap[sizeof(*hdr)];
566
567 hdr = (struct eap_hdr *) eap;
568 switch (hdr->code) {
569 case EAP_CODE_REQUEST:
570 os_snprintf(buf, sizeof(buf), "EAP-Request-%s (%d)",
571 eap_type >= 0 ? eap_type_text(eap_type) : "??",
572 eap_type);
573 break;
574 case EAP_CODE_RESPONSE:
575 os_snprintf(buf, sizeof(buf), "EAP Response-%s (%d)",
576 eap_type >= 0 ? eap_type_text(eap_type) : "??",
577 eap_type);
578 break;
579 case EAP_CODE_SUCCESS:
580 os_strlcpy(buf, "EAP Success", sizeof(buf));
581 /* LEAP uses EAP Success within an authentication, so must not
582 * stop here with eloop_terminate(); */
583 break;
584 case EAP_CODE_FAILURE:
585 os_strlcpy(buf, "EAP Failure", sizeof(buf));
586 eloop_terminate();
587 break;
588 default:
589 os_strlcpy(buf, "unknown EAP code", sizeof(buf));
590 wpa_hexdump(MSG_DEBUG, "Decapsulated EAP packet", eap, len);
591 break;
592 }
593 wpa_printf(MSG_DEBUG, "decapsulated EAP packet (code=%d "
594 "id=%d len=%d) from RADIUS server: %s",
595 hdr->code, hdr->identifier, ntohs(hdr->length), buf);
596
597 /* sta->eapol_sm->be_auth.idFromServer = hdr->identifier; */
598
599 os_free(e->last_eap_radius);
600 e->last_eap_radius = eap;
601 e->last_eap_radius_len = len;
602
603 {
604 struct ieee802_1x_hdr *dot1x;
605 dot1x = os_malloc(sizeof(*dot1x) + len);
606 assert(dot1x != NULL);
607 dot1x->version = EAPOL_VERSION;
608 dot1x->type = IEEE802_1X_TYPE_EAP_PACKET;
609 dot1x->length = htons(len);
610 os_memcpy((u8 *) (dot1x + 1), eap, len);
611 eapol_sm_rx_eapol(e->wpa_s->eapol, e->wpa_s->bssid,
612 (u8 *) dot1x, sizeof(*dot1x) + len);
613 os_free(dot1x);
614 }
615}
616
617
618static void ieee802_1x_get_keys(struct eapol_test_data *e,
619 struct radius_msg *msg, struct radius_msg *req,
8383da80
JM		 620 const u8 *shared_secret,
621 size_t shared_secret_len)
6fc6879b
JM		 622{
623 struct radius_ms_mppe_keys *keys;
624
625 keys = radius_msg_get_ms_keys(msg, req, shared_secret,
626 shared_secret_len);
627 if (keys && keys->send == NULL && keys->recv == NULL) {
628 os_free(keys);
629 keys = radius_msg_get_cisco_keys(msg, req, shared_secret,
630 shared_secret_len);
631 }
632
633 if (keys) {
634 if (keys->send) {
635 wpa_hexdump(MSG_DEBUG, "MS-MPPE-Send-Key (sign)",
636 keys->send, keys->send_len);
637 }
638 if (keys->recv) {
639 wpa_hexdump(MSG_DEBUG, "MS-MPPE-Recv-Key (crypt)",
640 keys->recv, keys->recv_len);
641 e->authenticator_pmk_len =
642 keys->recv_len > PMK_LEN ? PMK_LEN :
643 keys->recv_len;
644 os_memcpy(e->authenticator_pmk, keys->recv,
645 e->authenticator_pmk_len);
000a1de7
JM		 646 if (e->authenticator_pmk_len == 16 && keys->send &&
647 keys->send_len == 16) {
648 /* MS-CHAP-v2 derives 16 octet keys */
649 wpa_printf(MSG_DEBUG, "Use MS-MPPE-Send-Key "
650 "to extend PMK to 32 octets");
651 os_memcpy(e->authenticator_pmk +
652 e->authenticator_pmk_len,
653 keys->send, keys->send_len);
654 e->authenticator_pmk_len += keys->send_len;
655 }
6fc6879b
JM		 656 }
657
658 os_free(keys->send);
659 os_free(keys->recv);
660 os_free(keys);
661 }
662}
663
664
665/* Process the RADIUS frames from Authentication Server */
666static RadiusRxResult
667ieee802_1x_receive_auth(struct radius_msg *msg, struct radius_msg *req,
8383da80 668 const u8 *shared_secret, size_t shared_secret_len,
6fc6879b
JM		 669 void *data)
670{
671 struct eapol_test_data *e = data;
672
673 /* RFC 2869, Ch. 5.13: valid Message-Authenticator attribute MUST be
674 * present when packet contains an EAP-Message attribute */
675 if (msg->hdr->code == RADIUS_CODE_ACCESS_REJECT &&
676 radius_msg_get_attr(msg, RADIUS_ATTR_MESSAGE_AUTHENTICATOR, NULL,
677 0) < 0 &&
678 radius_msg_get_attr(msg, RADIUS_ATTR_EAP_MESSAGE, NULL, 0) < 0) {
679 wpa_printf(MSG_DEBUG, "Allowing RADIUS "
680 "Access-Reject without Message-Authenticator "
681 "since it does not include EAP-Message\n");
682 } else if (radius_msg_verify(msg, shared_secret, shared_secret_len,
683 req, 1)) {
684 printf("Incoming RADIUS packet did not have correct "
685 "Message-Authenticator - dropped\n");
686 return RADIUS_RX_UNKNOWN;
687 }
688
689 if (msg->hdr->code != RADIUS_CODE_ACCESS_ACCEPT &&
690 msg->hdr->code != RADIUS_CODE_ACCESS_REJECT &&
691 msg->hdr->code != RADIUS_CODE_ACCESS_CHALLENGE) {
692 printf("Unknown RADIUS message code\n");
693 return RADIUS_RX_UNKNOWN;
694 }
695
696 e->radius_identifier = -1;
697 wpa_printf(MSG_DEBUG, "RADIUS packet matching with station");
698
699 if (e->last_recv_radius) {
700 radius_msg_free(e->last_recv_radius);
701 os_free(e->last_recv_radius);
702 }
703
704 e->last_recv_radius = msg;
705
706 switch (msg->hdr->code) {
707 case RADIUS_CODE_ACCESS_ACCEPT:
708 e->radius_access_accept_received = 1;
709 ieee802_1x_get_keys(e, msg, req, shared_secret,
710 shared_secret_len);
711 break;
712 case RADIUS_CODE_ACCESS_REJECT:
713 e->radius_access_reject_received = 1;
714 break;
715 }
716
717 ieee802_1x_decapsulate_radius(e);
718
719 if ((msg->hdr->code == RADIUS_CODE_ACCESS_ACCEPT &&
720 e->eapol_test_num_reauths < 0) ||
721 msg->hdr->code == RADIUS_CODE_ACCESS_REJECT) {
722 eloop_terminate();
723 }
724
725 return RADIUS_RX_QUEUED;
726}
727
728
729static void wpa_init_conf(struct eapol_test_data *e,
730 struct wpa_supplicant *wpa_s, const char *authsrv,
c454f573
TW		 731 int port, const char *secret,
732 const char *cli_addr)
6fc6879b
JM		 733{
734 struct hostapd_radius_server *as;
735 int res;
736
737 wpa_s->bssid[5] = 1;
738 os_memcpy(wpa_s->own_addr, e->own_addr, ETH_ALEN);
739 e->own_ip_addr.s_addr = htonl((127 << 24) | 1);
740 os_strlcpy(wpa_s->ifname, "test", sizeof(wpa_s->ifname));
741
742 e->radius_conf = os_zalloc(sizeof(struct hostapd_radius_servers));
743 assert(e->radius_conf != NULL);
744 e->radius_conf->num_auth_servers = 1;
745 as = os_zalloc(sizeof(struct hostapd_radius_server));
746 assert(as != NULL);
747#if defined(CONFIG_NATIVE_WINDOWS) || defined(CONFIG_ANSI_C_EXTRA)
748 {
749 int a[4];
750 u8 *pos;
751 sscanf(authsrv, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3]);
752 pos = (u8 *) &as->addr.u.v4;
753 *pos++ = a[0];
754 *pos++ = a[1];
755 *pos++ = a[2];
756 *pos++ = a[3];
757 }
758#else /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
759 inet_aton(authsrv, &as->addr.u.v4);
760#endif /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
761 as->addr.af = AF_INET;
762 as->port = port;
763 as->shared_secret = (u8 *) os_strdup(secret);
764 as->shared_secret_len = os_strlen(secret);
765 e->radius_conf->auth_server = as;
766 e->radius_conf->auth_servers = as;
767 e->radius_conf->msg_dumps = 1;
c454f573
TW		 768 if (cli_addr) {
769 if (hostapd_parse_ip_addr(cli_addr,
770 &e->radius_conf->client_addr) == 0)
771 e->radius_conf->force_client_addr = 1;
772 else {
773 wpa_printf(MSG_ERROR, "Invalid IP address '%s'",
774 cli_addr);
775 assert(0);
776 }
777 }
6fc6879b
JM		 778
779 e->radius = radius_client_init(wpa_s, e->radius_conf);
780 assert(e->radius != NULL);
781
782 res = radius_client_register(e->radius, RADIUS_AUTH,
783 ieee802_1x_receive_auth, e);
784 assert(res == 0);
785}
786
787
788static int scard_test(void)
789{
790 struct scard_data *scard;
791 size_t len;
792 char imsi[20];
793 unsigned char _rand[16];
794#ifdef PCSC_FUNCS
795 unsigned char sres[4];
796 unsigned char kc[8];
797#endif /* PCSC_FUNCS */
798#define num_triplets 5
799 unsigned char rand_[num_triplets][16];
800 unsigned char sres_[num_triplets][4];
801 unsigned char kc_[num_triplets][8];
802 int i, res;
803 size_t j;
804
805#define AKA_RAND_LEN 16
806#define AKA_AUTN_LEN 16
807#define AKA_AUTS_LEN 14
808#define RES_MAX_LEN 16
809#define IK_LEN 16
810#define CK_LEN 16
811 unsigned char aka_rand[AKA_RAND_LEN];
812 unsigned char aka_autn[AKA_AUTN_LEN];
813 unsigned char aka_auts[AKA_AUTS_LEN];
814 unsigned char aka_res[RES_MAX_LEN];
815 size_t aka_res_len;
816 unsigned char aka_ik[IK_LEN];
817 unsigned char aka_ck[CK_LEN];
818
819 scard = scard_init(SCARD_TRY_BOTH);
820 if (scard == NULL)
821 return -1;
822 if (scard_set_pin(scard, "1234")) {
823 wpa_printf(MSG_WARNING, "PIN validation failed");
824 scard_deinit(scard);
825 return -1;
826 }
827
828 len = sizeof(imsi);
829 if (scard_get_imsi(scard, imsi, &len))
830 goto failed;
831 wpa_hexdump_ascii(MSG_DEBUG, "SCARD: IMSI", (u8 *) imsi, len);
832 /* NOTE: Permanent Username: 1 | IMSI */
833
834 os_memset(_rand, 0, sizeof(_rand));
835 if (scard_gsm_auth(scard, _rand, sres, kc))
836 goto failed;
837
838 os_memset(_rand, 0xff, sizeof(_rand));
839 if (scard_gsm_auth(scard, _rand, sres, kc))
840 goto failed;
841
842 for (i = 0; i < num_triplets; i++) {
843 os_memset(rand_[i], i, sizeof(rand_[i]));
844 if (scard_gsm_auth(scard, rand_[i], sres_[i], kc_[i]))
845 goto failed;
846 }
847
848 for (i = 0; i < num_triplets; i++) {
849 printf("1");
850 for (j = 0; j < len; j++)
851 printf("%c", imsi[j]);
852 printf(",");
853 for (j = 0; j < 16; j++)
854 printf("%02X", rand_[i][j]);
855 printf(",");
856 for (j = 0; j < 4; j++)
857 printf("%02X", sres_[i][j]);
858 printf(",");
859 for (j = 0; j < 8; j++)
860 printf("%02X", kc_[i][j]);
861 printf("\n");
862 }
863
864 wpa_printf(MSG_DEBUG, "Trying to use UMTS authentication");
865
866 /* seq 39 (0x28) */
867 os_memset(aka_rand, 0xaa, 16);
868 os_memcpy(aka_autn, "\x86\x71\x31\xcb\xa2\xfc\x61\xdf"
869 "\xa3\xb3\x97\x9d\x07\x32\xa2\x12", 16);
870
871 res = scard_umts_auth(scard, aka_rand, aka_autn, aka_res, &aka_res_len,
872 aka_ik, aka_ck, aka_auts);
873 if (res == 0) {
874 wpa_printf(MSG_DEBUG, "UMTS auth completed successfully");
875 wpa_hexdump(MSG_DEBUG, "RES", aka_res, aka_res_len);
876 wpa_hexdump(MSG_DEBUG, "IK", aka_ik, IK_LEN);
877 wpa_hexdump(MSG_DEBUG, "CK", aka_ck, CK_LEN);
878 } else if (res == -2) {
879 wpa_printf(MSG_DEBUG, "UMTS auth resulted in synchronization "
880 "failure");
881 wpa_hexdump(MSG_DEBUG, "AUTS", aka_auts, AKA_AUTS_LEN);
882 } else {
883 wpa_printf(MSG_DEBUG, "UMTS auth failed");
884 }
885
886failed:
887 scard_deinit(scard);
888
889 return 0;
890#undef num_triplets
891}
892
893
894static int scard_get_triplets(int argc, char *argv[])
895{
896 struct scard_data *scard;
897 size_t len;
898 char imsi[20];
899 unsigned char _rand[16];
900 unsigned char sres[4];
901 unsigned char kc[8];
902 int num_triplets;
903 int i;
904 size_t j;
905
906 if (argc < 2 || ((num_triplets = atoi(argv[1])) <= 0)) {
907 printf("invalid parameters for sim command\n");
908 return -1;
909 }
910
911 if (argc <= 2 || os_strcmp(argv[2], "debug") != 0) {
912 /* disable debug output */
913 wpa_debug_level = 99;
914 }
915
916 scard = scard_init(SCARD_GSM_SIM_ONLY);
917 if (scard == NULL) {
918 printf("Failed to open smartcard connection\n");
919 return -1;
920 }
921 if (scard_set_pin(scard, argv[0])) {
922 wpa_printf(MSG_WARNING, "PIN validation failed");
923 scard_deinit(scard);
924 return -1;
925 }
926
927 len = sizeof(imsi);
928 if (scard_get_imsi(scard, imsi, &len)) {
929 scard_deinit(scard);
930 return -1;
931 }
932
933 for (i = 0; i < num_triplets; i++) {
934 os_memset(_rand, i, sizeof(_rand));
935 if (scard_gsm_auth(scard, _rand, sres, kc))
936 break;
937
938 /* IMSI:Kc:SRES:RAND */
939 for (j = 0; j < len; j++)
940 printf("%c", imsi[j]);
941 printf(":");
942 for (j = 0; j < 8; j++)
943 printf("%02X", kc[j]);
944 printf(":");
945 for (j = 0; j < 4; j++)
946 printf("%02X", sres[j]);
947 printf(":");
948 for (j = 0; j < 16; j++)
949 printf("%02X", _rand[j]);
950 printf("\n");
951 }
952
953 scard_deinit(scard);
954
955 return 0;
956}
957
958
959static void eapol_test_terminate(int sig, void *eloop_ctx,
960 void *signal_ctx)
961{
962 struct wpa_supplicant *wpa_s = eloop_ctx;
963 wpa_msg(wpa_s, MSG_INFO, "Signal %d received - terminating", sig);
964 eloop_terminate();
965}
966
967
968static void usage(void)
969{
970 printf("usage:\n"
971 "eapol_test [-nWS] -c<conf> [-a<AS IP>] [-p<AS port>] "
c454f573 972 "[-s<AS secret>]\\\n"
6fc6879b 973 " [-r<count>] [-t<timeout>] [-C<Connect-Info>] \\\n"
1e4b9da1 974 " [-M<client MAC address>] \\\n"
db803a36
TW		 975 " [-N<attr spec>] \\\n"
976 " [-A<client IP>]\n"
6fc6879b
JM		 977 "eapol_test scard\n"
978 "eapol_test sim <PIN> <num triplets> [debug]\n"
979 "\n");
980 printf("options:\n"
981 " -c<conf> = configuration file\n"
982 " -a<AS IP> = IP address of the authentication server, "
983 "default 127.0.0.1\n"
984 " -p<AS port> = UDP port of the authentication server, "
985 "default 1812\n"
986 " -s<AS secret> = shared secret with the authentication "
987 "server, default 'radius'\n"
c454f573
TW		 988 " -A<client IP> = IP address of the client, default: select "
989 "automatically\n"
6fc6879b
JM		 990 " -r<count> = number of re-authentications\n"
991 " -W = wait for a control interface monitor before starting\n"
2c04820d 992 " -S = save configuration after authentication\n"
6fc6879b
JM		 993 " -n = no MPPE keys expected\n"
994 " -t<timeout> = sets timeout in seconds (default: 30 s)\n"
995 " -C<Connect-Info> = RADIUS Connect-Info (default: "
996 "CONNECT 11Mbps 802.11b)\n"
997 " -M<client MAC address> = Set own MAC address "
998 "(Calling-Station-Id,\n"
1e4b9da1 999 " default: 02:00:00:00:00:01)\n"
db803a36
TW		 1000 " -N<attr spec> = send arbitrary attribute specified by:\n"
1001 " attr_id:syntax:value or attr_id\n"
1002 " attr_id - number id of the attribute\n"
1003 " syntax - one of: s, d, x\n"
1004 " s = string\n"
1005 " d = integer\n"
1006 " x = octet string\n"
1007 " value - attribute value.\n"
1008 " When only attr_id is specified, NULL will be used as "
1009 "value.\n"
1010 " Multiple attributes can be specified by using the "
1011 "option several times.\n");
6fc6879b
JM		 1012}
1013
1014
1015int main(int argc, char *argv[])
1016{
1017 struct wpa_supplicant wpa_s;
1018 int c, ret = 1, wait_for_monitor = 0, save_config = 0;
1019 char *as_addr = "127.0.0.1";
1020 int as_port = 1812;
1021 char *as_secret = "radius";
c454f573 1022 char *cli_addr = NULL;
6fc6879b
JM		 1023 char *conf = NULL;
1024 int timeout = 30;
db803a36
TW		 1025 char *pos;
1026 struct extra_radius_attr *p = NULL, *p1;
6fc6879b
JM		 1027
1028 if (os_program_init())
1029 return -1;
1030
1031 hostapd_logger_register_cb(hostapd_logger_cb);
1032
1033 os_memset(&eapol_test, 0, sizeof(eapol_test));
1034 eapol_test.connect_info = "CONNECT 11Mbps 802.11b";
1035 os_memcpy(eapol_test.own_addr, "\x02\x00\x00\x00\x00\x01", ETH_ALEN);
1036
1037 wpa_debug_level = 0;
1038 wpa_debug_show_keys = 1;
1039
1040 for (;;) {
db803a36 1041 c = getopt(argc, argv, "a:A:c:C:M:nN:p:r:s:St:W");
6fc6879b
JM		 1042 if (c < 0)
1043 break;
1044 switch (c) {
1045 case 'a':
1046 as_addr = optarg;
1047 break;
c454f573
TW		 1048 case 'A':
1049 cli_addr = optarg;
1050 break;
6fc6879b
JM		 1051 case 'c':
1052 conf = optarg;
1053 break;
1054 case 'C':
1055 eapol_test.connect_info = optarg;
1056 break;
1057 case 'M':
1058 if (hwaddr_aton(optarg, eapol_test.own_addr)) {
1059 usage();
1060 return -1;
1061 }
1062 break;
1063 case 'n':
1064 eapol_test.no_mppe_keys++;
1065 break;
1066 case 'p':
1067 as_port = atoi(optarg);
1068 break;
1069 case 'r':
1070 eapol_test.eapol_test_num_reauths = atoi(optarg);
1071 break;
1072 case 's':
1073 as_secret = optarg;
1074 break;
1075 case 'S':
1076 save_config++;
1077 break;
1078 case 't':
1079 timeout = atoi(optarg);
1080 break;
1081 case 'W':
1082 wait_for_monitor++;
1083 break;
db803a36
TW		 1084 case 'N':
1085 p1 = os_zalloc(sizeof(p1));
1086 if (p1 == NULL)
1087 break;
1088 if (!p)
1089 eapol_test.extra_attrs = p1;
1090 else
1091 p->next = p1;
1092 p = p1;
1093
1094 p->type = atoi(optarg);
1095 pos = os_strchr(optarg, ':');
1096 if (pos == NULL) {
1097 p->syntax = 'n';
1098 p->data = NULL;
1099 break;
1100 }
1101
1102 pos++;
1103 if (pos[0] == '\0' || pos[1] != ':') {
1104 printf("Incorrect format of attribute "
1105 "specification\n");
1106 break;
1107 }
1108
1109 p->syntax = pos[0];
1110 p->data = pos + 2;
1111 break;
6fc6879b
JM		 1112 default:
1113 usage();
1114 return -1;
1115 }
1116 }
1117
1118 if (argc > optind && os_strcmp(argv[optind], "scard") == 0) {
1119 return scard_test();
1120 }
1121
1122 if (argc > optind && os_strcmp(argv[optind], "sim") == 0) {
1123 return scard_get_triplets(argc - optind - 1,
1124 &argv[optind + 1]);
1125 }
1126
1127 if (conf == NULL) {
1128 usage();
1129 printf("Configuration file is required.\n");
1130 return -1;
1131 }
1132
1133 if (eap_peer_register_methods()) {
1134 wpa_printf(MSG_ERROR, "Failed to register EAP methods");
1135 return -1;
1136 }
1137
1138 if (eloop_init(&wpa_s)) {
1139 wpa_printf(MSG_ERROR, "Failed to initialize event loop");
1140 return -1;
1141 }
1142
1143 os_memset(&wpa_s, 0, sizeof(wpa_s));
1144 eapol_test.wpa_s = &wpa_s;
1145 wpa_s.conf = wpa_config_read(conf);
1146 if (wpa_s.conf == NULL) {
1147 printf("Failed to parse configuration file '%s'.\n", conf);
1148 return -1;
1149 }
1150 if (wpa_s.conf->ssid == NULL) {
1151 printf("No networks defined.\n");
1152 return -1;
1153 }
1154
c454f573
TW		 1155 wpa_init_conf(&eapol_test, &wpa_s, as_addr, as_port, as_secret,
1156 cli_addr);
6fc6879b
JM		 1157 wpa_s.ctrl_iface = wpa_supplicant_ctrl_iface_init(&wpa_s);
1158 if (wpa_s.ctrl_iface == NULL) {
1159 printf("Failed to initialize control interface '%s'.\n"
1160 "You may have another eapol_test process already "
1161 "running or the file was\n"
1162 "left by an unclean termination of eapol_test in "
1163 "which case you will need\n"
1164 "to manually remove this file before starting "
1165 "eapol_test again.\n",
1166 wpa_s.conf->ctrl_interface);
1167 return -1;
1168 }
1169 if (wpa_supplicant_scard_init(&wpa_s, wpa_s.conf->ssid))
1170 return -1;
1171
1172 if (test_eapol(&eapol_test, &wpa_s, wpa_s.conf->ssid))
1173 return -1;
1174
1175 if (wait_for_monitor)
1176 wpa_supplicant_ctrl_iface_wait(wpa_s.ctrl_iface);
1177
1178 eloop_register_timeout(timeout, 0, eapol_test_timeout, &eapol_test,
1179 NULL);
1180 eloop_register_timeout(0, 0, send_eap_request_identity, &wpa_s, NULL);
1181 eloop_register_signal_terminate(eapol_test_terminate, NULL);
1182 eloop_register_signal_reconfig(eapol_test_terminate, NULL);
1183 eloop_run();
1184
1185 eloop_cancel_timeout(eapol_test_timeout, &eapol_test, NULL);
1186 eloop_cancel_timeout(eapol_sm_reauth, &eapol_test, NULL);
1187
1188 if (eapol_test_compare_pmk(&eapol_test) == 0 ||
1189 eapol_test.no_mppe_keys)
1190 ret = 0;
1191 if (eapol_test.auth_timed_out)
1192 ret = -2;
1193 if (eapol_test.radius_access_reject_received)
1194 ret = -3;
1195
1196 if (save_config)
1197 wpa_config_write(conf, wpa_s.conf);
1198
1199 test_eapol_clean(&eapol_test, &wpa_s);
1200
1201 eap_peer_unregister_methods();
1202
1203 eloop_destroy();
1204
1205 printf("MPPE keys OK: %d mismatch: %d\n",
1206 eapol_test.num_mppe_ok, eapol_test.num_mppe_mismatch);
1207 if (eapol_test.num_mppe_mismatch)
1208 ret = -4;
1209 if (ret)
1210 printf("FAILURE\n");
1211 else
1212 printf("SUCCESS\n");
1213
1214 os_program_deinit();
1215
1216 return ret;
1217}
Unnamed repository; edit this file 'description' to name the repository.