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Move EAP method registration away from src/eap_{peer,server}
[thirdparty/hostap.git] / wpa_supplicant / eapol_test.c
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 "rsn_supp/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
35 extern int wpa_debug_level;
36 extern int wpa_debug_show_keys;
37
38 struct wpa_driver_ops *wpa_drivers[] = { NULL };
39
40
41 struct extra_radius_attr {
42 u8 type;
43 char syntax;
44 char *data;
45 struct extra_radius_attr *next;
46 };
47
48 struct 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];
76 struct extra_radius_attr *extra_attrs;
77 };
78
79 static struct eapol_test_data eapol_test;
80
81
82 static void send_eap_request_identity(void *eloop_ctx, void *timeout_ctx);
83
84
85 static 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
96 static 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
147 static 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
159 static struct extra_radius_attr *
160 find_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
171 static 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
215 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_NAS_IP_ADDRESS) &&
216 !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
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));
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,
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 */
235 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_FRAMED_MTU) &&
236 !radius_msg_add_attr_int32(msg, RADIUS_ATTR_FRAMED_MTU, 1400)) {
237 printf("Could not add Framed-MTU\n");
238 goto fail;
239 }
240
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,
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);
249 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_CONNECT_INFO) &&
250 !radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
251 (u8 *) buf, os_strlen(buf))) {
252 printf("Could not add Connect-Info\n");
253 goto fail;
254 }
255
256 if (add_extra_attrs(msg, e->extra_attrs) < 0)
257 goto fail;
258
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
290 static 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
304 static 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
312 static const struct wpa_config_blob *
313 eapol_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
320 static void eapol_test_eapol_done_cb(void *ctx)
321 {
322 printf("WPA: EAPOL processing complete\n");
323 }
324
325
326 static void eapol_sm_reauth(void *eloop_ctx, void *timeout_ctx)
327 {
328 struct eapol_test_data *e = eloop_ctx;
329 printf("\n\n\n\n\neapol_test: Triggering EAP reauthentication\n\n");
330 e->radius_access_accept_received = 0;
331 send_eap_request_identity(e->wpa_s, NULL);
332 }
333
334
335 static int eapol_test_compare_pmk(struct eapol_test_data *e)
336 {
337 u8 pmk[PMK_LEN];
338 int ret = 1;
339
340 if (eapol_sm_get_key(e->wpa_s->eapol, pmk, PMK_LEN) == 0) {
341 wpa_hexdump(MSG_DEBUG, "PMK from EAPOL", pmk, PMK_LEN);
342 if (os_memcmp(pmk, e->authenticator_pmk, PMK_LEN) != 0) {
343 printf("WARNING: PMK mismatch\n");
344 wpa_hexdump(MSG_DEBUG, "PMK from AS",
345 e->authenticator_pmk, PMK_LEN);
346 } else if (e->radius_access_accept_received)
347 ret = 0;
348 } else if (e->authenticator_pmk_len == 16 &&
349 eapol_sm_get_key(e->wpa_s->eapol, pmk, 16) == 0) {
350 wpa_hexdump(MSG_DEBUG, "LEAP PMK from EAPOL", pmk, 16);
351 if (os_memcmp(pmk, e->authenticator_pmk, 16) != 0) {
352 printf("WARNING: PMK mismatch\n");
353 wpa_hexdump(MSG_DEBUG, "PMK from AS",
354 e->authenticator_pmk, 16);
355 } else if (e->radius_access_accept_received)
356 ret = 0;
357 } else if (e->radius_access_accept_received && e->no_mppe_keys) {
358 /* No keying material expected */
359 ret = 0;
360 }
361
362 if (ret && !e->no_mppe_keys)
363 e->num_mppe_mismatch++;
364 else if (!e->no_mppe_keys)
365 e->num_mppe_ok++;
366
367 return ret;
368 }
369
370
371 static void eapol_sm_cb(struct eapol_sm *eapol, int success, void *ctx)
372 {
373 struct eapol_test_data *e = ctx;
374 printf("eapol_sm_cb: success=%d\n", success);
375 e->eapol_test_num_reauths--;
376 if (e->eapol_test_num_reauths < 0)
377 eloop_terminate();
378 else {
379 eapol_test_compare_pmk(e);
380 eloop_register_timeout(0, 100000, eapol_sm_reauth, e, NULL);
381 }
382 }
383
384
385 static 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 ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
408 ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
409 ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
410
411 wpa_s->eapol = eapol_sm_init(ctx);
412 if (wpa_s->eapol == NULL) {
413 os_free(ctx);
414 printf("Failed to initialize EAPOL state machines.\n");
415 return -1;
416 }
417
418 wpa_s->current_ssid = ssid;
419 os_memset(&eapol_conf, 0, sizeof(eapol_conf));
420 eapol_conf.accept_802_1x_keys = 1;
421 eapol_conf.required_keys = 0;
422 eapol_conf.fast_reauth = wpa_s->conf->fast_reauth;
423 eapol_conf.workaround = ssid->eap_workaround;
424 eapol_sm_notify_config(wpa_s->eapol, &ssid->eap, &eapol_conf);
425 eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
426
427
428 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
429 /* 802.1X::portControl = Auto */
430 eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
431
432 return 0;
433 }
434
435
436 static void test_eapol_clean(struct eapol_test_data *e,
437 struct wpa_supplicant *wpa_s)
438 {
439 struct extra_radius_attr *p, *prev;
440
441 radius_client_deinit(e->radius);
442 os_free(e->last_eap_radius);
443 if (e->last_recv_radius) {
444 radius_msg_free(e->last_recv_radius);
445 os_free(e->last_recv_radius);
446 }
447 os_free(e->eap_identity);
448 e->eap_identity = NULL;
449 eapol_sm_deinit(wpa_s->eapol);
450 wpa_s->eapol = NULL;
451 if (e->radius_conf && e->radius_conf->auth_server) {
452 os_free(e->radius_conf->auth_server->shared_secret);
453 os_free(e->radius_conf->auth_server);
454 }
455 os_free(e->radius_conf);
456 e->radius_conf = NULL;
457 scard_deinit(wpa_s->scard);
458 if (wpa_s->ctrl_iface) {
459 wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface);
460 wpa_s->ctrl_iface = NULL;
461 }
462 wpa_config_free(wpa_s->conf);
463
464 p = e->extra_attrs;
465 while (p) {
466 prev = p;
467 p = p->next;
468 os_free(prev);
469 }
470 }
471
472
473 static void send_eap_request_identity(void *eloop_ctx, void *timeout_ctx)
474 {
475 struct wpa_supplicant *wpa_s = eloop_ctx;
476 u8 buf[100], *pos;
477 struct ieee802_1x_hdr *hdr;
478 struct eap_hdr *eap;
479
480 hdr = (struct ieee802_1x_hdr *) buf;
481 hdr->version = EAPOL_VERSION;
482 hdr->type = IEEE802_1X_TYPE_EAP_PACKET;
483 hdr->length = htons(5);
484
485 eap = (struct eap_hdr *) (hdr + 1);
486 eap->code = EAP_CODE_REQUEST;
487 eap->identifier = 0;
488 eap->length = htons(5);
489 pos = (u8 *) (eap + 1);
490 *pos = EAP_TYPE_IDENTITY;
491
492 printf("Sending fake EAP-Request-Identity\n");
493 eapol_sm_rx_eapol(wpa_s->eapol, wpa_s->bssid, buf,
494 sizeof(*hdr) + 5);
495 }
496
497
498 static void eapol_test_timeout(void *eloop_ctx, void *timeout_ctx)
499 {
500 struct eapol_test_data *e = eloop_ctx;
501 printf("EAPOL test timed out\n");
502 e->auth_timed_out = 1;
503 eloop_terminate();
504 }
505
506
507 static char *eap_type_text(u8 type)
508 {
509 switch (type) {
510 case EAP_TYPE_IDENTITY: return "Identity";
511 case EAP_TYPE_NOTIFICATION: return "Notification";
512 case EAP_TYPE_NAK: return "Nak";
513 case EAP_TYPE_TLS: return "TLS";
514 case EAP_TYPE_TTLS: return "TTLS";
515 case EAP_TYPE_PEAP: return "PEAP";
516 case EAP_TYPE_SIM: return "SIM";
517 case EAP_TYPE_GTC: return "GTC";
518 case EAP_TYPE_MD5: return "MD5";
519 case EAP_TYPE_OTP: return "OTP";
520 case EAP_TYPE_FAST: return "FAST";
521 case EAP_TYPE_SAKE: return "SAKE";
522 case EAP_TYPE_PSK: return "PSK";
523 default: return "Unknown";
524 }
525 }
526
527
528 static void ieee802_1x_decapsulate_radius(struct eapol_test_data *e)
529 {
530 u8 *eap;
531 size_t len;
532 struct eap_hdr *hdr;
533 int eap_type = -1;
534 char buf[64];
535 struct radius_msg *msg;
536
537 if (e->last_recv_radius == NULL)
538 return;
539
540 msg = e->last_recv_radius;
541
542 eap = radius_msg_get_eap(msg, &len);
543 if (eap == NULL) {
544 /* draft-aboba-radius-rfc2869bis-20.txt, Chap. 2.6.3:
545 * RADIUS server SHOULD NOT send Access-Reject/no EAP-Message
546 * attribute */
547 wpa_printf(MSG_DEBUG, "could not extract "
548 "EAP-Message from RADIUS message");
549 os_free(e->last_eap_radius);
550 e->last_eap_radius = NULL;
551 e->last_eap_radius_len = 0;
552 return;
553 }
554
555 if (len < sizeof(*hdr)) {
556 wpa_printf(MSG_DEBUG, "too short EAP packet "
557 "received from authentication server");
558 os_free(eap);
559 return;
560 }
561
562 if (len > sizeof(*hdr))
563 eap_type = eap[sizeof(*hdr)];
564
565 hdr = (struct eap_hdr *) eap;
566 switch (hdr->code) {
567 case EAP_CODE_REQUEST:
568 os_snprintf(buf, sizeof(buf), "EAP-Request-%s (%d)",
569 eap_type >= 0 ? eap_type_text(eap_type) : "??",
570 eap_type);
571 break;
572 case EAP_CODE_RESPONSE:
573 os_snprintf(buf, sizeof(buf), "EAP Response-%s (%d)",
574 eap_type >= 0 ? eap_type_text(eap_type) : "??",
575 eap_type);
576 break;
577 case EAP_CODE_SUCCESS:
578 os_strlcpy(buf, "EAP Success", sizeof(buf));
579 /* LEAP uses EAP Success within an authentication, so must not
580 * stop here with eloop_terminate(); */
581 break;
582 case EAP_CODE_FAILURE:
583 os_strlcpy(buf, "EAP Failure", sizeof(buf));
584 eloop_terminate();
585 break;
586 default:
587 os_strlcpy(buf, "unknown EAP code", sizeof(buf));
588 wpa_hexdump(MSG_DEBUG, "Decapsulated EAP packet", eap, len);
589 break;
590 }
591 wpa_printf(MSG_DEBUG, "decapsulated EAP packet (code=%d "
592 "id=%d len=%d) from RADIUS server: %s",
593 hdr->code, hdr->identifier, ntohs(hdr->length), buf);
594
595 /* sta->eapol_sm->be_auth.idFromServer = hdr->identifier; */
596
597 os_free(e->last_eap_radius);
598 e->last_eap_radius = eap;
599 e->last_eap_radius_len = len;
600
601 {
602 struct ieee802_1x_hdr *dot1x;
603 dot1x = os_malloc(sizeof(*dot1x) + len);
604 assert(dot1x != NULL);
605 dot1x->version = EAPOL_VERSION;
606 dot1x->type = IEEE802_1X_TYPE_EAP_PACKET;
607 dot1x->length = htons(len);
608 os_memcpy((u8 *) (dot1x + 1), eap, len);
609 eapol_sm_rx_eapol(e->wpa_s->eapol, e->wpa_s->bssid,
610 (u8 *) dot1x, sizeof(*dot1x) + len);
611 os_free(dot1x);
612 }
613 }
614
615
616 static void ieee802_1x_get_keys(struct eapol_test_data *e,
617 struct radius_msg *msg, struct radius_msg *req,
618 const u8 *shared_secret,
619 size_t shared_secret_len)
620 {
621 struct radius_ms_mppe_keys *keys;
622
623 keys = radius_msg_get_ms_keys(msg, req, shared_secret,
624 shared_secret_len);
625 if (keys && keys->send == NULL && keys->recv == NULL) {
626 os_free(keys);
627 keys = radius_msg_get_cisco_keys(msg, req, shared_secret,
628 shared_secret_len);
629 }
630
631 if (keys) {
632 if (keys->send) {
633 wpa_hexdump(MSG_DEBUG, "MS-MPPE-Send-Key (sign)",
634 keys->send, keys->send_len);
635 }
636 if (keys->recv) {
637 wpa_hexdump(MSG_DEBUG, "MS-MPPE-Recv-Key (crypt)",
638 keys->recv, keys->recv_len);
639 e->authenticator_pmk_len =
640 keys->recv_len > PMK_LEN ? PMK_LEN :
641 keys->recv_len;
642 os_memcpy(e->authenticator_pmk, keys->recv,
643 e->authenticator_pmk_len);
644 if (e->authenticator_pmk_len == 16 && keys->send &&
645 keys->send_len == 16) {
646 /* MS-CHAP-v2 derives 16 octet keys */
647 wpa_printf(MSG_DEBUG, "Use MS-MPPE-Send-Key "
648 "to extend PMK to 32 octets");
649 os_memcpy(e->authenticator_pmk +
650 e->authenticator_pmk_len,
651 keys->send, keys->send_len);
652 e->authenticator_pmk_len += keys->send_len;
653 }
654 }
655
656 os_free(keys->send);
657 os_free(keys->recv);
658 os_free(keys);
659 }
660 }
661
662
663 /* Process the RADIUS frames from Authentication Server */
664 static RadiusRxResult
665 ieee802_1x_receive_auth(struct radius_msg *msg, struct radius_msg *req,
666 const u8 *shared_secret, size_t shared_secret_len,
667 void *data)
668 {
669 struct eapol_test_data *e = data;
670
671 /* RFC 2869, Ch. 5.13: valid Message-Authenticator attribute MUST be
672 * present when packet contains an EAP-Message attribute */
673 if (msg->hdr->code == RADIUS_CODE_ACCESS_REJECT &&
674 radius_msg_get_attr(msg, RADIUS_ATTR_MESSAGE_AUTHENTICATOR, NULL,
675 0) < 0 &&
676 radius_msg_get_attr(msg, RADIUS_ATTR_EAP_MESSAGE, NULL, 0) < 0) {
677 wpa_printf(MSG_DEBUG, "Allowing RADIUS "
678 "Access-Reject without Message-Authenticator "
679 "since it does not include EAP-Message\n");
680 } else if (radius_msg_verify(msg, shared_secret, shared_secret_len,
681 req, 1)) {
682 printf("Incoming RADIUS packet did not have correct "
683 "Message-Authenticator - dropped\n");
684 return RADIUS_RX_UNKNOWN;
685 }
686
687 if (msg->hdr->code != RADIUS_CODE_ACCESS_ACCEPT &&
688 msg->hdr->code != RADIUS_CODE_ACCESS_REJECT &&
689 msg->hdr->code != RADIUS_CODE_ACCESS_CHALLENGE) {
690 printf("Unknown RADIUS message code\n");
691 return RADIUS_RX_UNKNOWN;
692 }
693
694 e->radius_identifier = -1;
695 wpa_printf(MSG_DEBUG, "RADIUS packet matching with station");
696
697 if (e->last_recv_radius) {
698 radius_msg_free(e->last_recv_radius);
699 os_free(e->last_recv_radius);
700 }
701
702 e->last_recv_radius = msg;
703
704 switch (msg->hdr->code) {
705 case RADIUS_CODE_ACCESS_ACCEPT:
706 e->radius_access_accept_received = 1;
707 ieee802_1x_get_keys(e, msg, req, shared_secret,
708 shared_secret_len);
709 break;
710 case RADIUS_CODE_ACCESS_REJECT:
711 e->radius_access_reject_received = 1;
712 break;
713 }
714
715 ieee802_1x_decapsulate_radius(e);
716
717 if ((msg->hdr->code == RADIUS_CODE_ACCESS_ACCEPT &&
718 e->eapol_test_num_reauths < 0) ||
719 msg->hdr->code == RADIUS_CODE_ACCESS_REJECT) {
720 eloop_terminate();
721 }
722
723 return RADIUS_RX_QUEUED;
724 }
725
726
727 static void wpa_init_conf(struct eapol_test_data *e,
728 struct wpa_supplicant *wpa_s, const char *authsrv,
729 int port, const char *secret,
730 const char *cli_addr)
731 {
732 struct hostapd_radius_server *as;
733 int res;
734
735 wpa_s->bssid[5] = 1;
736 os_memcpy(wpa_s->own_addr, e->own_addr, ETH_ALEN);
737 e->own_ip_addr.s_addr = htonl((127 << 24) | 1);
738 os_strlcpy(wpa_s->ifname, "test", sizeof(wpa_s->ifname));
739
740 e->radius_conf = os_zalloc(sizeof(struct hostapd_radius_servers));
741 assert(e->radius_conf != NULL);
742 e->radius_conf->num_auth_servers = 1;
743 as = os_zalloc(sizeof(struct hostapd_radius_server));
744 assert(as != NULL);
745 #if defined(CONFIG_NATIVE_WINDOWS) || defined(CONFIG_ANSI_C_EXTRA)
746 {
747 int a[4];
748 u8 *pos;
749 sscanf(authsrv, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3]);
750 pos = (u8 *) &as->addr.u.v4;
751 *pos++ = a[0];
752 *pos++ = a[1];
753 *pos++ = a[2];
754 *pos++ = a[3];
755 }
756 #else /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
757 inet_aton(authsrv, &as->addr.u.v4);
758 #endif /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
759 as->addr.af = AF_INET;
760 as->port = port;
761 as->shared_secret = (u8 *) os_strdup(secret);
762 as->shared_secret_len = os_strlen(secret);
763 e->radius_conf->auth_server = as;
764 e->radius_conf->auth_servers = as;
765 e->radius_conf->msg_dumps = 1;
766 if (cli_addr) {
767 if (hostapd_parse_ip_addr(cli_addr,
768 &e->radius_conf->client_addr) == 0)
769 e->radius_conf->force_client_addr = 1;
770 else {
771 wpa_printf(MSG_ERROR, "Invalid IP address '%s'",
772 cli_addr);
773 assert(0);
774 }
775 }
776
777 e->radius = radius_client_init(wpa_s, e->radius_conf);
778 assert(e->radius != NULL);
779
780 res = radius_client_register(e->radius, RADIUS_AUTH,
781 ieee802_1x_receive_auth, e);
782 assert(res == 0);
783 }
784
785
786 static int scard_test(void)
787 {
788 struct scard_data *scard;
789 size_t len;
790 char imsi[20];
791 unsigned char _rand[16];
792 #ifdef PCSC_FUNCS
793 unsigned char sres[4];
794 unsigned char kc[8];
795 #endif /* PCSC_FUNCS */
796 #define num_triplets 5
797 unsigned char rand_[num_triplets][16];
798 unsigned char sres_[num_triplets][4];
799 unsigned char kc_[num_triplets][8];
800 int i, res;
801 size_t j;
802
803 #define AKA_RAND_LEN 16
804 #define AKA_AUTN_LEN 16
805 #define AKA_AUTS_LEN 14
806 #define RES_MAX_LEN 16
807 #define IK_LEN 16
808 #define CK_LEN 16
809 unsigned char aka_rand[AKA_RAND_LEN];
810 unsigned char aka_autn[AKA_AUTN_LEN];
811 unsigned char aka_auts[AKA_AUTS_LEN];
812 unsigned char aka_res[RES_MAX_LEN];
813 size_t aka_res_len;
814 unsigned char aka_ik[IK_LEN];
815 unsigned char aka_ck[CK_LEN];
816
817 scard = scard_init(SCARD_TRY_BOTH);
818 if (scard == NULL)
819 return -1;
820 if (scard_set_pin(scard, "1234")) {
821 wpa_printf(MSG_WARNING, "PIN validation failed");
822 scard_deinit(scard);
823 return -1;
824 }
825
826 len = sizeof(imsi);
827 if (scard_get_imsi(scard, imsi, &len))
828 goto failed;
829 wpa_hexdump_ascii(MSG_DEBUG, "SCARD: IMSI", (u8 *) imsi, len);
830 /* NOTE: Permanent Username: 1 | IMSI */
831
832 os_memset(_rand, 0, sizeof(_rand));
833 if (scard_gsm_auth(scard, _rand, sres, kc))
834 goto failed;
835
836 os_memset(_rand, 0xff, sizeof(_rand));
837 if (scard_gsm_auth(scard, _rand, sres, kc))
838 goto failed;
839
840 for (i = 0; i < num_triplets; i++) {
841 os_memset(rand_[i], i, sizeof(rand_[i]));
842 if (scard_gsm_auth(scard, rand_[i], sres_[i], kc_[i]))
843 goto failed;
844 }
845
846 for (i = 0; i < num_triplets; i++) {
847 printf("1");
848 for (j = 0; j < len; j++)
849 printf("%c", imsi[j]);
850 printf(",");
851 for (j = 0; j < 16; j++)
852 printf("%02X", rand_[i][j]);
853 printf(",");
854 for (j = 0; j < 4; j++)
855 printf("%02X", sres_[i][j]);
856 printf(",");
857 for (j = 0; j < 8; j++)
858 printf("%02X", kc_[i][j]);
859 printf("\n");
860 }
861
862 wpa_printf(MSG_DEBUG, "Trying to use UMTS authentication");
863
864 /* seq 39 (0x28) */
865 os_memset(aka_rand, 0xaa, 16);
866 os_memcpy(aka_autn, "\x86\x71\x31\xcb\xa2\xfc\x61\xdf"
867 "\xa3\xb3\x97\x9d\x07\x32\xa2\x12", 16);
868
869 res = scard_umts_auth(scard, aka_rand, aka_autn, aka_res, &aka_res_len,
870 aka_ik, aka_ck, aka_auts);
871 if (res == 0) {
872 wpa_printf(MSG_DEBUG, "UMTS auth completed successfully");
873 wpa_hexdump(MSG_DEBUG, "RES", aka_res, aka_res_len);
874 wpa_hexdump(MSG_DEBUG, "IK", aka_ik, IK_LEN);
875 wpa_hexdump(MSG_DEBUG, "CK", aka_ck, CK_LEN);
876 } else if (res == -2) {
877 wpa_printf(MSG_DEBUG, "UMTS auth resulted in synchronization "
878 "failure");
879 wpa_hexdump(MSG_DEBUG, "AUTS", aka_auts, AKA_AUTS_LEN);
880 } else {
881 wpa_printf(MSG_DEBUG, "UMTS auth failed");
882 }
883
884 failed:
885 scard_deinit(scard);
886
887 return 0;
888 #undef num_triplets
889 }
890
891
892 static int scard_get_triplets(int argc, char *argv[])
893 {
894 struct scard_data *scard;
895 size_t len;
896 char imsi[20];
897 unsigned char _rand[16];
898 unsigned char sres[4];
899 unsigned char kc[8];
900 int num_triplets;
901 int i;
902 size_t j;
903
904 if (argc < 2 || ((num_triplets = atoi(argv[1])) <= 0)) {
905 printf("invalid parameters for sim command\n");
906 return -1;
907 }
908
909 if (argc <= 2 || os_strcmp(argv[2], "debug") != 0) {
910 /* disable debug output */
911 wpa_debug_level = 99;
912 }
913
914 scard = scard_init(SCARD_GSM_SIM_ONLY);
915 if (scard == NULL) {
916 printf("Failed to open smartcard connection\n");
917 return -1;
918 }
919 if (scard_set_pin(scard, argv[0])) {
920 wpa_printf(MSG_WARNING, "PIN validation failed");
921 scard_deinit(scard);
922 return -1;
923 }
924
925 len = sizeof(imsi);
926 if (scard_get_imsi(scard, imsi, &len)) {
927 scard_deinit(scard);
928 return -1;
929 }
930
931 for (i = 0; i < num_triplets; i++) {
932 os_memset(_rand, i, sizeof(_rand));
933 if (scard_gsm_auth(scard, _rand, sres, kc))
934 break;
935
936 /* IMSI:Kc:SRES:RAND */
937 for (j = 0; j < len; j++)
938 printf("%c", imsi[j]);
939 printf(":");
940 for (j = 0; j < 8; j++)
941 printf("%02X", kc[j]);
942 printf(":");
943 for (j = 0; j < 4; j++)
944 printf("%02X", sres[j]);
945 printf(":");
946 for (j = 0; j < 16; j++)
947 printf("%02X", _rand[j]);
948 printf("\n");
949 }
950
951 scard_deinit(scard);
952
953 return 0;
954 }
955
956
957 static void eapol_test_terminate(int sig, void *eloop_ctx,
958 void *signal_ctx)
959 {
960 struct wpa_supplicant *wpa_s = eloop_ctx;
961 wpa_msg(wpa_s, MSG_INFO, "Signal %d received - terminating", sig);
962 eloop_terminate();
963 }
964
965
966 static void usage(void)
967 {
968 printf("usage:\n"
969 "eapol_test [-nWS] -c<conf> [-a<AS IP>] [-p<AS port>] "
970 "[-s<AS secret>]\\\n"
971 " [-r<count>] [-t<timeout>] [-C<Connect-Info>] \\\n"
972 " [-M<client MAC address>] \\\n"
973 " [-N<attr spec>] \\\n"
974 " [-A<client IP>]\n"
975 "eapol_test scard\n"
976 "eapol_test sim <PIN> <num triplets> [debug]\n"
977 "\n");
978 printf("options:\n"
979 " -c<conf> = configuration file\n"
980 " -a<AS IP> = IP address of the authentication server, "
981 "default 127.0.0.1\n"
982 " -p<AS port> = UDP port of the authentication server, "
983 "default 1812\n"
984 " -s<AS secret> = shared secret with the authentication "
985 "server, default 'radius'\n"
986 " -A<client IP> = IP address of the client, default: select "
987 "automatically\n"
988 " -r<count> = number of re-authentications\n"
989 " -W = wait for a control interface monitor before starting\n"
990 " -S = save configuration after authentication\n"
991 " -n = no MPPE keys expected\n"
992 " -t<timeout> = sets timeout in seconds (default: 30 s)\n"
993 " -C<Connect-Info> = RADIUS Connect-Info (default: "
994 "CONNECT 11Mbps 802.11b)\n"
995 " -M<client MAC address> = Set own MAC address "
996 "(Calling-Station-Id,\n"
997 " default: 02:00:00:00:00:01)\n"
998 " -N<attr spec> = send arbitrary attribute specified by:\n"
999 " attr_id:syntax:value or attr_id\n"
1000 " attr_id - number id of the attribute\n"
1001 " syntax - one of: s, d, x\n"
1002 " s = string\n"
1003 " d = integer\n"
1004 " x = octet string\n"
1005 " value - attribute value.\n"
1006 " When only attr_id is specified, NULL will be used as "
1007 "value.\n"
1008 " Multiple attributes can be specified by using the "
1009 "option several times.\n");
1010 }
1011
1012
1013 int main(int argc, char *argv[])
1014 {
1015 struct wpa_supplicant wpa_s;
1016 int c, ret = 1, wait_for_monitor = 0, save_config = 0;
1017 char *as_addr = "127.0.0.1";
1018 int as_port = 1812;
1019 char *as_secret = "radius";
1020 char *cli_addr = NULL;
1021 char *conf = NULL;
1022 int timeout = 30;
1023 char *pos;
1024 struct extra_radius_attr *p = NULL, *p1;
1025
1026 if (os_program_init())
1027 return -1;
1028
1029 hostapd_logger_register_cb(hostapd_logger_cb);
1030
1031 os_memset(&eapol_test, 0, sizeof(eapol_test));
1032 eapol_test.connect_info = "CONNECT 11Mbps 802.11b";
1033 os_memcpy(eapol_test.own_addr, "\x02\x00\x00\x00\x00\x01", ETH_ALEN);
1034
1035 wpa_debug_level = 0;
1036 wpa_debug_show_keys = 1;
1037
1038 for (;;) {
1039 c = getopt(argc, argv, "a:A:c:C:M:nN:p:r:s:St:W");
1040 if (c < 0)
1041 break;
1042 switch (c) {
1043 case 'a':
1044 as_addr = optarg;
1045 break;
1046 case 'A':
1047 cli_addr = optarg;
1048 break;
1049 case 'c':
1050 conf = optarg;
1051 break;
1052 case 'C':
1053 eapol_test.connect_info = optarg;
1054 break;
1055 case 'M':
1056 if (hwaddr_aton(optarg, eapol_test.own_addr)) {
1057 usage();
1058 return -1;
1059 }
1060 break;
1061 case 'n':
1062 eapol_test.no_mppe_keys++;
1063 break;
1064 case 'p':
1065 as_port = atoi(optarg);
1066 break;
1067 case 'r':
1068 eapol_test.eapol_test_num_reauths = atoi(optarg);
1069 break;
1070 case 's':
1071 as_secret = optarg;
1072 break;
1073 case 'S':
1074 save_config++;
1075 break;
1076 case 't':
1077 timeout = atoi(optarg);
1078 break;
1079 case 'W':
1080 wait_for_monitor++;
1081 break;
1082 case 'N':
1083 p1 = os_zalloc(sizeof(p1));
1084 if (p1 == NULL)
1085 break;
1086 if (!p)
1087 eapol_test.extra_attrs = p1;
1088 else
1089 p->next = p1;
1090 p = p1;
1091
1092 p->type = atoi(optarg);
1093 pos = os_strchr(optarg, ':');
1094 if (pos == NULL) {
1095 p->syntax = 'n';
1096 p->data = NULL;
1097 break;
1098 }
1099
1100 pos++;
1101 if (pos[0] == '\0' || pos[1] != ':') {
1102 printf("Incorrect format of attribute "
1103 "specification\n");
1104 break;
1105 }
1106
1107 p->syntax = pos[0];
1108 p->data = pos + 2;
1109 break;
1110 default:
1111 usage();
1112 return -1;
1113 }
1114 }
1115
1116 if (argc > optind && os_strcmp(argv[optind], "scard") == 0) {
1117 return scard_test();
1118 }
1119
1120 if (argc > optind && os_strcmp(argv[optind], "sim") == 0) {
1121 return scard_get_triplets(argc - optind - 1,
1122 &argv[optind + 1]);
1123 }
1124
1125 if (conf == NULL) {
1126 usage();
1127 printf("Configuration file is required.\n");
1128 return -1;
1129 }
1130
1131 if (eap_register_methods()) {
1132 wpa_printf(MSG_ERROR, "Failed to register EAP methods");
1133 return -1;
1134 }
1135
1136 if (eloop_init(&wpa_s)) {
1137 wpa_printf(MSG_ERROR, "Failed to initialize event loop");
1138 return -1;
1139 }
1140
1141 os_memset(&wpa_s, 0, sizeof(wpa_s));
1142 eapol_test.wpa_s = &wpa_s;
1143 wpa_s.conf = wpa_config_read(conf);
1144 if (wpa_s.conf == NULL) {
1145 printf("Failed to parse configuration file '%s'.\n", conf);
1146 return -1;
1147 }
1148 if (wpa_s.conf->ssid == NULL) {
1149 printf("No networks defined.\n");
1150 return -1;
1151 }
1152
1153 wpa_init_conf(&eapol_test, &wpa_s, as_addr, as_port, as_secret,
1154 cli_addr);
1155 wpa_s.ctrl_iface = wpa_supplicant_ctrl_iface_init(&wpa_s);
1156 if (wpa_s.ctrl_iface == NULL) {
1157 printf("Failed to initialize control interface '%s'.\n"
1158 "You may have another eapol_test process already "
1159 "running or the file was\n"
1160 "left by an unclean termination of eapol_test in "
1161 "which case you will need\n"
1162 "to manually remove this file before starting "
1163 "eapol_test again.\n",
1164 wpa_s.conf->ctrl_interface);
1165 return -1;
1166 }
1167 if (wpa_supplicant_scard_init(&wpa_s, wpa_s.conf->ssid))
1168 return -1;
1169
1170 if (test_eapol(&eapol_test, &wpa_s, wpa_s.conf->ssid))
1171 return -1;
1172
1173 if (wait_for_monitor)
1174 wpa_supplicant_ctrl_iface_wait(wpa_s.ctrl_iface);
1175
1176 eloop_register_timeout(timeout, 0, eapol_test_timeout, &eapol_test,
1177 NULL);
1178 eloop_register_timeout(0, 0, send_eap_request_identity, &wpa_s, NULL);
1179 eloop_register_signal_terminate(eapol_test_terminate, NULL);
1180 eloop_register_signal_reconfig(eapol_test_terminate, NULL);
1181 eloop_run();
1182
1183 eloop_cancel_timeout(eapol_test_timeout, &eapol_test, NULL);
1184 eloop_cancel_timeout(eapol_sm_reauth, &eapol_test, NULL);
1185
1186 if (eapol_test_compare_pmk(&eapol_test) == 0 ||
1187 eapol_test.no_mppe_keys)
1188 ret = 0;
1189 if (eapol_test.auth_timed_out)
1190 ret = -2;
1191 if (eapol_test.radius_access_reject_received)
1192 ret = -3;
1193
1194 if (save_config)
1195 wpa_config_write(conf, wpa_s.conf);
1196
1197 test_eapol_clean(&eapol_test, &wpa_s);
1198
1199 eap_peer_unregister_methods();
1200
1201 eloop_destroy();
1202
1203 printf("MPPE keys OK: %d mismatch: %d\n",
1204 eapol_test.num_mppe_ok, eapol_test.num_mppe_mismatch);
1205 if (eapol_test.num_mppe_mismatch)
1206 ret = -4;
1207 if (ret)
1208 printf("FAILURE\n");
1209 else
1210 printf("SUCCESS\n");
1211
1212 os_program_deinit();
1213
1214 return ret;
1215 }
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