1 /*
2 * WPA Supplicant - test code
3 * Copyright (c) 2003-2013, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 *
8 * IEEE 802.1X Supplicant test code (to be used in place of wpa_supplicant.c.
9 * Not used in production version.
10 */
11
12 #include "includes.h"
13 #include <assert.h>
14
15 #include "common.h"
16 #include "utils/ext_password.h"
17 #include "config.h"
18 #include "eapol_supp/eapol_supp_sm.h"
19 #include "eap_peer/eap.h"
20 #include "eap_server/eap_methods.h"
21 #include "eloop.h"
22 #include "utils/base64.h"
23 #include "rsn_supp/wpa.h"
24 #include "wpa_supplicant_i.h"
25 #include "radius/radius.h"
26 #include "radius/radius_client.h"
27 #include "common/wpa_ctrl.h"
28 #include "ctrl_iface.h"
29 #include "pcsc_funcs.h"
30 #include "wpas_glue.h"
31
32
33 const struct wpa_driver_ops *const wpa_drivers[] = { NULL };
34
35
36 struct extra_radius_attr {
37 u8 type;
38 char syntax;
39 char *data;
40 struct extra_radius_attr *next;
41 };
42
43 struct eapol_test_data {
44 struct wpa_supplicant *wpa_s;
45
46 int eapol_test_num_reauths;
47 int no_mppe_keys;
48 int num_mppe_ok, num_mppe_mismatch;
49 int req_eap_key_name;
50
51 u8 radius_identifier;
52 struct radius_msg *last_recv_radius;
53 struct in_addr own_ip_addr;
54 struct radius_client_data *radius;
55 struct hostapd_radius_servers *radius_conf;
56
57 /* last received EAP Response from Authentication Server */
58 struct wpabuf *last_eap_radius;
59
60 u8 authenticator_pmk[PMK_LEN];
61 size_t authenticator_pmk_len;
62 u8 authenticator_eap_key_name[256];
63 size_t authenticator_eap_key_name_len;
64 int radius_access_accept_received;
65 int radius_access_reject_received;
66 int auth_timed_out;
67
68 u8 *eap_identity;
69 size_t eap_identity_len;
70
71 char *connect_info;
72 u8 own_addr[ETH_ALEN];
73 struct extra_radius_attr *extra_attrs;
74
75 FILE *server_cert_file;
76
77 const char *pcsc_reader;
78 const char *pcsc_pin;
79
80 unsigned int ctrl_iface:1;
81 unsigned int id_req_sent:1;
82 };
83
84 static struct eapol_test_data eapol_test;
85
86
87 static void send_eap_request_identity(void *eloop_ctx, void *timeout_ctx);
88
89
hostapd_logger_cb(void * ctx,const u8 * addr,unsigned int module,int level,const char * txt,size_t len)90 static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module,
91 int level, const char *txt, size_t len)
92 {
93 if (addr)
94 wpa_printf(MSG_DEBUG, "STA " MACSTR ": %s\n",
95 MAC2STR(addr), txt);
96 else
97 wpa_printf(MSG_DEBUG, "%s", txt);
98 }
99
100
add_extra_attr(struct radius_msg * msg,struct extra_radius_attr * attr)101 static int add_extra_attr(struct radius_msg *msg,
102 struct extra_radius_attr *attr)
103 {
104 size_t len;
105 char *pos;
106 u32 val;
107 char buf[RADIUS_MAX_ATTR_LEN + 1];
108
109 switch (attr->syntax) {
110 case 's':
111 os_snprintf(buf, sizeof(buf), "%s", attr->data);
112 len = os_strlen(buf);
113 break;
114 case 'n':
115 buf[0] = '\0';
116 len = 1;
117 break;
118 case 'x':
119 pos = attr->data;
120 if (pos[0] == '0' && pos[1] == 'x')
121 pos += 2;
122 len = os_strlen(pos);
123 if ((len & 1) || (len / 2) > RADIUS_MAX_ATTR_LEN) {
124 printf("Invalid extra attribute hexstring\n");
125 return -1;
126 }
127 len /= 2;
128 if (hexstr2bin(pos, (u8 *) buf, len) < 0) {
129 printf("Invalid extra attribute hexstring\n");
130 return -1;
131 }
132 break;
133 case 'd':
134 val = htonl(atoi(attr->data));
135 os_memcpy(buf, &val, 4);
136 len = 4;
137 break;
138 default:
139 printf("Incorrect extra attribute syntax specification\n");
140 return -1;
141 }
142
143 if (!radius_msg_add_attr(msg, attr->type, (u8 *) buf, len)) {
144 printf("Could not add attribute %d\n", attr->type);
145 return -1;
146 }
147
148 return 0;
149 }
150
151
add_extra_attrs(struct radius_msg * msg,struct extra_radius_attr * attrs)152 static int add_extra_attrs(struct radius_msg *msg,
153 struct extra_radius_attr *attrs)
154 {
155 struct extra_radius_attr *p;
156 for (p = attrs; p; p = p->next) {
157 if (add_extra_attr(msg, p) < 0)
158 return -1;
159 }
160 return 0;
161 }
162
163
164 static struct extra_radius_attr *
find_extra_attr(struct extra_radius_attr * attrs,u8 type)165 find_extra_attr(struct extra_radius_attr *attrs, u8 type)
166 {
167 struct extra_radius_attr *p;
168 for (p = attrs; p; p = p->next) {
169 if (p->type == type)
170 return p;
171 }
172 return NULL;
173 }
174
175
ieee802_1x_encapsulate_radius(struct eapol_test_data * e,const u8 * eap,size_t len)176 static void ieee802_1x_encapsulate_radius(struct eapol_test_data *e,
177 const u8 *eap, size_t len)
178 {
179 struct radius_msg *msg;
180 char buf[RADIUS_MAX_ATTR_LEN + 1];
181 const struct eap_hdr *hdr;
182 const u8 *pos;
183
184 wpa_printf(MSG_DEBUG, "Encapsulating EAP message into a RADIUS "
185 "packet");
186
187 e->radius_identifier = radius_client_get_id(e->radius);
188 msg = radius_msg_new(RADIUS_CODE_ACCESS_REQUEST,
189 e->radius_identifier);
190 if (msg == NULL) {
191 printf("Could not create net RADIUS packet\n");
192 return;
193 }
194
195 radius_msg_make_authenticator(msg, (u8 *) e, sizeof(*e));
196
197 hdr = (const struct eap_hdr *) eap;
198 pos = (const u8 *) (hdr + 1);
199 if (len > sizeof(*hdr) && hdr->code == EAP_CODE_RESPONSE &&
200 pos[0] == EAP_TYPE_IDENTITY) {
201 pos++;
202 os_free(e->eap_identity);
203 e->eap_identity_len = len - sizeof(*hdr) - 1;
204 e->eap_identity = os_malloc(e->eap_identity_len);
205 if (e->eap_identity) {
206 os_memcpy(e->eap_identity, pos, e->eap_identity_len);
207 wpa_hexdump(MSG_DEBUG, "Learned identity from "
208 "EAP-Response-Identity",
209 e->eap_identity, e->eap_identity_len);
210 }
211 }
212
213 if (e->eap_identity &&
214 !radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME,
215 e->eap_identity, e->eap_identity_len)) {
216 printf("Could not add User-Name\n");
217 goto fail;
218 }
219
220 if (e->req_eap_key_name &&
221 !radius_msg_add_attr(msg, RADIUS_ATTR_EAP_KEY_NAME, (u8 *) "\0",
222 1)) {
223 printf("Could not add EAP-Key-Name\n");
224 goto fail;
225 }
226
227 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_NAS_IP_ADDRESS) &&
228 !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
229 (u8 *) &e->own_ip_addr, 4)) {
230 printf("Could not add NAS-IP-Address\n");
231 goto fail;
232 }
233
234 os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT,
235 MAC2STR(e->wpa_s->own_addr));
236 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_CALLING_STATION_ID)
237 &&
238 !radius_msg_add_attr(msg, RADIUS_ATTR_CALLING_STATION_ID,
239 (u8 *) buf, os_strlen(buf))) {
240 printf("Could not add Calling-Station-Id\n");
241 goto fail;
242 }
243
244 /* TODO: should probably check MTU from driver config; 2304 is max for
245 * IEEE 802.11, but use 1400 to avoid problems with too large packets
246 */
247 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_FRAMED_MTU) &&
248 !radius_msg_add_attr_int32(msg, RADIUS_ATTR_FRAMED_MTU, 1400)) {
249 printf("Could not add Framed-MTU\n");
250 goto fail;
251 }
252
253 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_NAS_PORT_TYPE) &&
254 !radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT_TYPE,
255 RADIUS_NAS_PORT_TYPE_IEEE_802_11)) {
256 printf("Could not add NAS-Port-Type\n");
257 goto fail;
258 }
259
260 os_snprintf(buf, sizeof(buf), "%s", e->connect_info);
261 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_CONNECT_INFO) &&
262 !radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
263 (u8 *) buf, os_strlen(buf))) {
264 printf("Could not add Connect-Info\n");
265 goto fail;
266 }
267
268 if (add_extra_attrs(msg, e->extra_attrs) < 0)
269 goto fail;
270
271 if (eap && !radius_msg_add_eap(msg, eap, len)) {
272 printf("Could not add EAP-Message\n");
273 goto fail;
274 }
275
276 /* State attribute must be copied if and only if this packet is
277 * Access-Request reply to the previous Access-Challenge */
278 if (e->last_recv_radius &&
279 radius_msg_get_hdr(e->last_recv_radius)->code ==
280 RADIUS_CODE_ACCESS_CHALLENGE) {
281 int res = radius_msg_copy_attr(msg, e->last_recv_radius,
282 RADIUS_ATTR_STATE);
283 if (res < 0) {
284 printf("Could not copy State attribute from previous "
285 "Access-Challenge\n");
286 goto fail;
287 }
288 if (res > 0) {
289 wpa_printf(MSG_DEBUG, " Copied RADIUS State "
290 "Attribute");
291 }
292 }
293
294 if (radius_client_send(e->radius, msg, RADIUS_AUTH, e->wpa_s->own_addr)
295 < 0)
296 goto fail;
297 return;
298
299 fail:
300 radius_msg_free(msg);
301 }
302
303
eapol_test_eapol_send(void * ctx,int type,const u8 * buf,size_t len)304 static int eapol_test_eapol_send(void *ctx, int type, const u8 *buf,
305 size_t len)
306 {
307 printf("WPA: eapol_test_eapol_send(type=%d len=%lu)\n",
308 type, (unsigned long) len);
309 if (type == IEEE802_1X_TYPE_EAP_PACKET) {
310 wpa_hexdump(MSG_DEBUG, "TX EAP -> RADIUS", buf, len);
311 ieee802_1x_encapsulate_radius(&eapol_test, buf, len);
312 }
313 return 0;
314 }
315
316
eapol_test_set_config_blob(void * ctx,struct wpa_config_blob * blob)317 static void eapol_test_set_config_blob(void *ctx,
318 struct wpa_config_blob *blob)
319 {
320 struct eapol_test_data *e = ctx;
321 wpa_config_set_blob(e->wpa_s->conf, blob);
322 }
323
324
325 static const struct wpa_config_blob *
eapol_test_get_config_blob(void * ctx,const char * name)326 eapol_test_get_config_blob(void *ctx, const char *name)
327 {
328 struct eapol_test_data *e = ctx;
329 return wpa_config_get_blob(e->wpa_s->conf, name);
330 }
331
332
eapol_test_eapol_done_cb(void * ctx)333 static void eapol_test_eapol_done_cb(void *ctx)
334 {
335 struct eapol_test_data *e = ctx;
336
337 printf("WPA: EAPOL processing complete\n");
338 wpa_supplicant_cancel_auth_timeout(e->wpa_s);
339 wpa_supplicant_set_state(e->wpa_s, WPA_COMPLETED);
340 }
341
342
eapol_sm_reauth(void * eloop_ctx,void * timeout_ctx)343 static void eapol_sm_reauth(void *eloop_ctx, void *timeout_ctx)
344 {
345 struct eapol_test_data *e = eloop_ctx;
346 printf("\n\n\n\n\neapol_test: Triggering EAP reauthentication\n\n");
347 e->radius_access_accept_received = 0;
348 send_eap_request_identity(e->wpa_s, NULL);
349 }
350
351
eapol_test_compare_pmk(struct eapol_test_data * e)352 static int eapol_test_compare_pmk(struct eapol_test_data *e)
353 {
354 u8 pmk[PMK_LEN];
355 int ret = 1;
356 const u8 *sess_id;
357 size_t sess_id_len;
358
359 if (eapol_sm_get_key(e->wpa_s->eapol, pmk, PMK_LEN) == 0) {
360 wpa_hexdump(MSG_DEBUG, "PMK from EAPOL", pmk, PMK_LEN);
361 if (os_memcmp(pmk, e->authenticator_pmk, PMK_LEN) != 0) {
362 printf("WARNING: PMK mismatch\n");
363 wpa_hexdump(MSG_DEBUG, "PMK from AS",
364 e->authenticator_pmk, PMK_LEN);
365 } else if (e->radius_access_accept_received)
366 ret = 0;
367 } else if (e->authenticator_pmk_len == 16 &&
368 eapol_sm_get_key(e->wpa_s->eapol, pmk, 16) == 0) {
369 wpa_hexdump(MSG_DEBUG, "LEAP PMK from EAPOL", pmk, 16);
370 if (os_memcmp(pmk, e->authenticator_pmk, 16) != 0) {
371 printf("WARNING: PMK mismatch\n");
372 wpa_hexdump(MSG_DEBUG, "PMK from AS",
373 e->authenticator_pmk, 16);
374 } else if (e->radius_access_accept_received)
375 ret = 0;
376 } else if (e->radius_access_accept_received && e->no_mppe_keys) {
377 /* No keying material expected */
378 ret = 0;
379 }
380
381 if (ret && !e->no_mppe_keys)
382 e->num_mppe_mismatch++;
383 else if (!e->no_mppe_keys)
384 e->num_mppe_ok++;
385
386 sess_id = eapol_sm_get_session_id(e->wpa_s->eapol, &sess_id_len);
387 if (!sess_id)
388 return ret;
389 if (e->authenticator_eap_key_name_len == 0) {
390 wpa_printf(MSG_INFO, "No EAP-Key-Name received from server");
391 return ret;
392 }
393
394 if (e->authenticator_eap_key_name_len != sess_id_len ||
395 os_memcmp(e->authenticator_eap_key_name, sess_id, sess_id_len) != 0)
396 {
397 wpa_printf(MSG_INFO,
398 "Locally derived EAP Session-Id does not match EAP-Key-Name from server");
399 wpa_hexdump(MSG_DEBUG, "EAP Session-Id", sess_id, sess_id_len);
400 wpa_hexdump(MSG_DEBUG, "EAP-Key-Name from server",
401 e->authenticator_eap_key_name,
402 e->authenticator_eap_key_name_len);
403 } else {
404 wpa_printf(MSG_INFO,
405 "Locally derived EAP Session-Id matches EAP-Key-Name from server");
406 }
407
408 return ret;
409 }
410
411
eapol_sm_cb(struct eapol_sm * eapol,enum eapol_supp_result result,void * ctx)412 static void eapol_sm_cb(struct eapol_sm *eapol, enum eapol_supp_result result,
413 void *ctx)
414 {
415 struct eapol_test_data *e = ctx;
416 printf("eapol_sm_cb: result=%d\n", result);
417 e->id_req_sent = 0;
418 if (e->ctrl_iface)
419 return;
420 e->eapol_test_num_reauths--;
421 if (e->eapol_test_num_reauths < 0)
422 eloop_terminate();
423 else {
424 eapol_test_compare_pmk(e);
425 eloop_register_timeout(0, 100000, eapol_sm_reauth, e, NULL);
426 }
427 }
428
429
eapol_test_write_cert(FILE * f,const char * subject,const struct wpabuf * cert)430 static void eapol_test_write_cert(FILE *f, const char *subject,
431 const struct wpabuf *cert)
432 {
433 unsigned char *encoded;
434
435 encoded = base64_encode(wpabuf_head(cert), wpabuf_len(cert), NULL);
436 if (encoded == NULL)
437 return;
438 fprintf(f, "%s\n-----BEGIN CERTIFICATE-----\n%s"
439 "-----END CERTIFICATE-----\n\n", subject, encoded);
440 os_free(encoded);
441 }
442
443
444 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
eapol_test_eap_param_needed(void * ctx,enum wpa_ctrl_req_type field,const char * default_txt)445 static void eapol_test_eap_param_needed(void *ctx, enum wpa_ctrl_req_type field,
446 const char *default_txt)
447 {
448 struct eapol_test_data *e = ctx;
449 struct wpa_supplicant *wpa_s = e->wpa_s;
450 struct wpa_ssid *ssid = wpa_s->current_ssid;
451 const char *field_name, *txt = NULL;
452 char *buf;
453 size_t buflen;
454 int len;
455
456 if (ssid == NULL)
457 return;
458
459 field_name = wpa_supplicant_ctrl_req_to_string(field, default_txt,
460 &txt);
461 if (field_name == NULL) {
462 wpa_printf(MSG_WARNING, "Unhandled EAP param %d needed",
463 field);
464 return;
465 }
466
467 buflen = 100 + os_strlen(txt) + ssid->ssid_len;
468 buf = os_malloc(buflen);
469 if (buf == NULL)
470 return;
471 len = os_snprintf(buf, buflen,
472 WPA_CTRL_REQ "%s-%d:%s needed for SSID ",
473 field_name, ssid->id, txt);
474 if (os_snprintf_error(buflen, len)) {
475 os_free(buf);
476 return;
477 }
478 if (ssid->ssid && buflen > len + ssid->ssid_len) {
479 os_memcpy(buf + len, ssid->ssid, ssid->ssid_len);
480 len += ssid->ssid_len;
481 buf[len] = '\0';
482 }
483 buf[buflen - 1] = '\0';
484 wpa_msg(wpa_s, MSG_INFO, "%s", buf);
485 os_free(buf);
486 }
487 #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
488 #define eapol_test_eap_param_needed NULL
489 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
490
491
eapol_test_cert_cb(void * ctx,int depth,const char * subject,const char * altsubject[],int num_altsubject,const char * cert_hash,const struct wpabuf * cert)492 static void eapol_test_cert_cb(void *ctx, int depth, const char *subject,
493 const char *altsubject[], int num_altsubject,
494 const char *cert_hash,
495 const struct wpabuf *cert)
496 {
497 struct eapol_test_data *e = ctx;
498
499 wpa_msg(e->wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_CERT
500 "depth=%d subject='%s'%s%s",
501 depth, subject,
502 cert_hash ? " hash=" : "",
503 cert_hash ? cert_hash : "");
504
505 if (cert) {
506 char *cert_hex;
507 size_t len = wpabuf_len(cert) * 2 + 1;
508 cert_hex = os_malloc(len);
509 if (cert_hex) {
510 wpa_snprintf_hex(cert_hex, len, wpabuf_head(cert),
511 wpabuf_len(cert));
512 wpa_msg_ctrl(e->wpa_s, MSG_INFO,
513 WPA_EVENT_EAP_PEER_CERT
514 "depth=%d subject='%s' cert=%s",
515 depth, subject, cert_hex);
516 os_free(cert_hex);
517 }
518
519 if (e->server_cert_file)
520 eapol_test_write_cert(e->server_cert_file,
521 subject, cert);
522 }
523
524 if (altsubject) {
525 int i;
526
527 for (i = 0; i < num_altsubject; i++)
528 wpa_msg(e->wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_ALT
529 "depth=%d %s", depth, altsubject[i]);
530 }
531 }
532
533
eapol_test_set_anon_id(void * ctx,const u8 * id,size_t len)534 static void eapol_test_set_anon_id(void *ctx, const u8 *id, size_t len)
535 {
536 struct eapol_test_data *e = ctx;
537 struct wpa_supplicant *wpa_s = e->wpa_s;
538 char *str;
539 int res;
540
541 wpa_hexdump_ascii(MSG_DEBUG, "EAP method updated anonymous_identity",
542 id, len);
543
544 if (wpa_s->current_ssid == NULL)
545 return;
546
547 if (id == NULL) {
548 if (wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
549 "NULL", 0) < 0)
550 return;
551 } else {
552 str = os_malloc(len * 2 + 1);
553 if (str == NULL)
554 return;
555 wpa_snprintf_hex(str, len * 2 + 1, id, len);
556 res = wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
557 str, 0);
558 os_free(str);
559 if (res < 0)
560 return;
561 }
562 }
563
564
eapol_test_get_state(void * ctx)565 static enum wpa_states eapol_test_get_state(void *ctx)
566 {
567 struct eapol_test_data *e = ctx;
568 struct wpa_supplicant *wpa_s = e->wpa_s;
569
570 return wpa_s->wpa_state;
571 }
572
573
test_eapol(struct eapol_test_data * e,struct wpa_supplicant * wpa_s,struct wpa_ssid * ssid)574 static int test_eapol(struct eapol_test_data *e, struct wpa_supplicant *wpa_s,
575 struct wpa_ssid *ssid)
576 {
577 struct eapol_config eapol_conf;
578 struct eapol_ctx *ctx;
579 struct wpa_sm_ctx *wctx;
580
581 ctx = os_zalloc(sizeof(*ctx));
582 if (ctx == NULL) {
583 printf("Failed to allocate EAPOL context.\n");
584 return -1;
585 }
586 ctx->ctx = e;
587 ctx->msg_ctx = wpa_s;
588 ctx->scard_ctx = wpa_s->scard;
589 ctx->cb = eapol_sm_cb;
590 ctx->cb_ctx = e;
591 ctx->eapol_send_ctx = wpa_s;
592 ctx->preauth = 0;
593 ctx->eapol_done_cb = eapol_test_eapol_done_cb;
594 ctx->eapol_send = eapol_test_eapol_send;
595 ctx->set_config_blob = eapol_test_set_config_blob;
596 ctx->get_config_blob = eapol_test_get_config_blob;
597 ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
598 ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
599 ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
600 ctx->openssl_ciphers = wpa_s->conf->openssl_ciphers;
601 ctx->eap_param_needed = eapol_test_eap_param_needed;
602 ctx->cert_cb = eapol_test_cert_cb;
603 ctx->cert_in_cb = 1;
604 ctx->set_anon_id = eapol_test_set_anon_id;
605
606 wpa_s->eapol = eapol_sm_init(ctx);
607 if (wpa_s->eapol == NULL) {
608 os_free(ctx);
609 printf("Failed to initialize EAPOL state machines.\n");
610 return -1;
611 }
612
613 wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_NO_WPA;
614 wctx = os_zalloc(sizeof(*wctx));
615 if (wctx == NULL) {
616 os_free(ctx);
617 return -1;
618 }
619 wctx->ctx = e;
620 wctx->msg_ctx = wpa_s;
621 wctx->get_state = eapol_test_get_state;
622 wpa_s->wpa = wpa_sm_init(wctx);
623 if (!wpa_s->wpa) {
624 os_free(ctx);
625 os_free(wctx);
626 return -1;
627 }
628
629 if (!ssid)
630 return 0;
631
632 wpa_s->current_ssid = ssid;
633 os_memset(&eapol_conf, 0, sizeof(eapol_conf));
634 eapol_conf.accept_802_1x_keys = 1;
635 eapol_conf.required_keys = 0;
636 eapol_conf.fast_reauth = wpa_s->conf->fast_reauth;
637 eapol_conf.workaround = ssid->eap_workaround;
638 eapol_conf.external_sim = wpa_s->conf->external_sim;
639 eapol_sm_notify_config(wpa_s->eapol, &ssid->eap, &eapol_conf);
640 eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
641
642
643 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
644 /* 802.1X::portControl = Auto */
645 eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
646
647 return 0;
648 }
649
650
test_eapol_clean(struct eapol_test_data * e,struct wpa_supplicant * wpa_s)651 static void test_eapol_clean(struct eapol_test_data *e,
652 struct wpa_supplicant *wpa_s)
653 {
654 struct extra_radius_attr *p, *prev;
655
656 wpa_sm_deinit(wpa_s->wpa);
657 wpa_s->wpa = NULL;
658 radius_client_deinit(e->radius);
659 wpabuf_free(e->last_eap_radius);
660 radius_msg_free(e->last_recv_radius);
661 e->last_recv_radius = NULL;
662 os_free(e->eap_identity);
663 e->eap_identity = NULL;
664 eapol_sm_deinit(wpa_s->eapol);
665 wpa_s->eapol = NULL;
666 if (e->radius_conf && e->radius_conf->auth_server) {
667 os_free(e->radius_conf->auth_server->shared_secret);
668 os_free(e->radius_conf->auth_server);
669 }
670 os_free(e->radius_conf);
671 e->radius_conf = NULL;
672 scard_deinit(wpa_s->scard);
673 if (wpa_s->ctrl_iface) {
674 wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface);
675 wpa_s->ctrl_iface = NULL;
676 }
677
678 ext_password_deinit(wpa_s->ext_pw);
679 wpa_s->ext_pw = NULL;
680
681 wpa_config_free(wpa_s->conf);
682
683 p = e->extra_attrs;
684 while (p) {
685 prev = p;
686 p = p->next;
687 os_free(prev);
688 }
689 }
690
691
send_eap_request_identity(void * eloop_ctx,void * timeout_ctx)692 static void send_eap_request_identity(void *eloop_ctx, void *timeout_ctx)
693 {
694 struct wpa_supplicant *wpa_s = eloop_ctx;
695 u8 buf[100], *pos;
696 struct ieee802_1x_hdr *hdr;
697 struct eap_hdr *eap;
698
699 hdr = (struct ieee802_1x_hdr *) buf;
700 hdr->version = EAPOL_VERSION;
701 hdr->type = IEEE802_1X_TYPE_EAP_PACKET;
702 hdr->length = htons(5);
703
704 eap = (struct eap_hdr *) (hdr + 1);
705 eap->code = EAP_CODE_REQUEST;
706 eap->identifier = 0;
707 eap->length = htons(5);
708 pos = (u8 *) (eap + 1);
709 *pos = EAP_TYPE_IDENTITY;
710
711 printf("Sending fake EAP-Request-Identity\n");
712 eapol_sm_rx_eapol(wpa_s->eapol, wpa_s->bssid, buf,
713 sizeof(*hdr) + 5);
714 }
715
716
eapol_test_timeout(void * eloop_ctx,void * timeout_ctx)717 static void eapol_test_timeout(void *eloop_ctx, void *timeout_ctx)
718 {
719 struct eapol_test_data *e = eloop_ctx;
720 printf("EAPOL test timed out\n");
721 e->auth_timed_out = 1;
722 eloop_terminate();
723 }
724
725
eap_type_text(u8 type)726 static char *eap_type_text(u8 type)
727 {
728 switch (type) {
729 case EAP_TYPE_IDENTITY: return "Identity";
730 case EAP_TYPE_NOTIFICATION: return "Notification";
731 case EAP_TYPE_NAK: return "Nak";
732 case EAP_TYPE_TLS: return "TLS";
733 case EAP_TYPE_TTLS: return "TTLS";
734 case EAP_TYPE_PEAP: return "PEAP";
735 case EAP_TYPE_SIM: return "SIM";
736 case EAP_TYPE_GTC: return "GTC";
737 case EAP_TYPE_MD5: return "MD5";
738 case EAP_TYPE_OTP: return "OTP";
739 case EAP_TYPE_FAST: return "FAST";
740 case EAP_TYPE_SAKE: return "SAKE";
741 case EAP_TYPE_PSK: return "PSK";
742 default: return "Unknown";
743 }
744 }
745
746
ieee802_1x_decapsulate_radius(struct eapol_test_data * e)747 static void ieee802_1x_decapsulate_radius(struct eapol_test_data *e)
748 {
749 struct wpabuf *eap;
750 const struct eap_hdr *hdr;
751 int eap_type = -1;
752 char buf[64];
753 struct radius_msg *msg;
754
755 if (e->last_recv_radius == NULL)
756 return;
757
758 msg = e->last_recv_radius;
759
760 eap = radius_msg_get_eap(msg);
761 if (eap == NULL) {
762 /* draft-aboba-radius-rfc2869bis-20.txt, Chap. 2.6.3:
763 * RADIUS server SHOULD NOT send Access-Reject/no EAP-Message
764 * attribute */
765 wpa_printf(MSG_DEBUG, "could not extract "
766 "EAP-Message from RADIUS message");
767 wpabuf_free(e->last_eap_radius);
768 e->last_eap_radius = NULL;
769 return;
770 }
771
772 if (wpabuf_len(eap) < sizeof(*hdr)) {
773 wpa_printf(MSG_DEBUG, "too short EAP packet "
774 "received from authentication server");
775 wpabuf_free(eap);
776 return;
777 }
778
779 if (wpabuf_len(eap) > sizeof(*hdr))
780 eap_type = (wpabuf_head_u8(eap))[sizeof(*hdr)];
781
782 hdr = wpabuf_head(eap);
783 switch (hdr->code) {
784 case EAP_CODE_REQUEST:
785 os_snprintf(buf, sizeof(buf), "EAP-Request-%s (%d)",
786 eap_type >= 0 ? eap_type_text(eap_type) : "??",
787 eap_type);
788 break;
789 case EAP_CODE_RESPONSE:
790 os_snprintf(buf, sizeof(buf), "EAP Response-%s (%d)",
791 eap_type >= 0 ? eap_type_text(eap_type) : "??",
792 eap_type);
793 break;
794 case EAP_CODE_SUCCESS:
795 os_strlcpy(buf, "EAP Success", sizeof(buf));
796 /* LEAP uses EAP Success within an authentication, so must not
797 * stop here with eloop_terminate(); */
798 break;
799 case EAP_CODE_FAILURE:
800 os_strlcpy(buf, "EAP Failure", sizeof(buf));
801 if (e->ctrl_iface)
802 break;
803 eloop_terminate();
804 break;
805 default:
806 os_strlcpy(buf, "unknown EAP code", sizeof(buf));
807 wpa_hexdump_buf(MSG_DEBUG, "Decapsulated EAP packet", eap);
808 break;
809 }
810 wpa_printf(MSG_DEBUG, "decapsulated EAP packet (code=%d "
811 "id=%d len=%d) from RADIUS server: %s",
812 hdr->code, hdr->identifier, ntohs(hdr->length), buf);
813
814 /* sta->eapol_sm->be_auth.idFromServer = hdr->identifier; */
815
816 wpabuf_free(e->last_eap_radius);
817 e->last_eap_radius = eap;
818
819 {
820 struct ieee802_1x_hdr *dot1x;
821 dot1x = os_malloc(sizeof(*dot1x) + wpabuf_len(eap));
822 assert(dot1x != NULL);
823 dot1x->version = EAPOL_VERSION;
824 dot1x->type = IEEE802_1X_TYPE_EAP_PACKET;
825 dot1x->length = htons(wpabuf_len(eap));
826 os_memcpy((u8 *) (dot1x + 1), wpabuf_head(eap),
827 wpabuf_len(eap));
828 eapol_sm_rx_eapol(e->wpa_s->eapol, e->wpa_s->bssid,
829 (u8 *) dot1x,
830 sizeof(*dot1x) + wpabuf_len(eap));
831 os_free(dot1x);
832 }
833 }
834
835
ieee802_1x_get_keys(struct eapol_test_data * e,struct radius_msg * msg,struct radius_msg * req,const u8 * shared_secret,size_t shared_secret_len)836 static void ieee802_1x_get_keys(struct eapol_test_data *e,
837 struct radius_msg *msg, struct radius_msg *req,
838 const u8 *shared_secret,
839 size_t shared_secret_len)
840 {
841 struct radius_ms_mppe_keys *keys;
842 u8 *buf;
843 size_t len;
844
845 keys = radius_msg_get_ms_keys(msg, req, shared_secret,
846 shared_secret_len);
847 if (keys && keys->send == NULL && keys->recv == NULL) {
848 os_free(keys);
849 keys = radius_msg_get_cisco_keys(msg, req, shared_secret,
850 shared_secret_len);
851 }
852
853 if (keys) {
854 if (keys->send) {
855 wpa_hexdump(MSG_DEBUG, "MS-MPPE-Send-Key (sign)",
856 keys->send, keys->send_len);
857 }
858 if (keys->recv) {
859 wpa_hexdump(MSG_DEBUG, "MS-MPPE-Recv-Key (crypt)",
860 keys->recv, keys->recv_len);
861 e->authenticator_pmk_len =
862 keys->recv_len > PMK_LEN ? PMK_LEN :
863 keys->recv_len;
864 os_memcpy(e->authenticator_pmk, keys->recv,
865 e->authenticator_pmk_len);
866 if (e->authenticator_pmk_len == 16 && keys->send &&
867 keys->send_len == 16) {
868 /* MS-CHAP-v2 derives 16 octet keys */
869 wpa_printf(MSG_DEBUG, "Use MS-MPPE-Send-Key "
870 "to extend PMK to 32 octets");
871 os_memcpy(e->authenticator_pmk +
872 e->authenticator_pmk_len,
873 keys->send, keys->send_len);
874 e->authenticator_pmk_len += keys->send_len;
875 }
876 }
877
878 os_free(keys->send);
879 os_free(keys->recv);
880 os_free(keys);
881 }
882
883 if (radius_msg_get_attr_ptr(msg, RADIUS_ATTR_EAP_KEY_NAME, &buf, &len,
884 NULL) == 0) {
885 os_memcpy(e->authenticator_eap_key_name, buf, len);
886 e->authenticator_eap_key_name_len = len;
887 } else {
888 e->authenticator_eap_key_name_len = 0;
889 }
890 }
891
892
893 /* Process the RADIUS frames from Authentication Server */
894 static RadiusRxResult
ieee802_1x_receive_auth(struct radius_msg * msg,struct radius_msg * req,const u8 * shared_secret,size_t shared_secret_len,void * data)895 ieee802_1x_receive_auth(struct radius_msg *msg, struct radius_msg *req,
896 const u8 *shared_secret, size_t shared_secret_len,
897 void *data)
898 {
899 struct eapol_test_data *e = data;
900 struct radius_hdr *hdr = radius_msg_get_hdr(msg);
901
902 /* RFC 2869, Ch. 5.13: valid Message-Authenticator attribute MUST be
903 * present when packet contains an EAP-Message attribute */
904 if (hdr->code == RADIUS_CODE_ACCESS_REJECT &&
905 radius_msg_get_attr(msg, RADIUS_ATTR_MESSAGE_AUTHENTICATOR, NULL,
906 0) < 0 &&
907 radius_msg_get_attr(msg, RADIUS_ATTR_EAP_MESSAGE, NULL, 0) < 0) {
908 wpa_printf(MSG_DEBUG, "Allowing RADIUS "
909 "Access-Reject without Message-Authenticator "
910 "since it does not include EAP-Message\n");
911 } else if (radius_msg_verify(msg, shared_secret, shared_secret_len,
912 req, 1)) {
913 printf("Incoming RADIUS packet did not have correct "
914 "Message-Authenticator - dropped\n");
915 return RADIUS_RX_UNKNOWN;
916 }
917
918 if (hdr->code != RADIUS_CODE_ACCESS_ACCEPT &&
919 hdr->code != RADIUS_CODE_ACCESS_REJECT &&
920 hdr->code != RADIUS_CODE_ACCESS_CHALLENGE) {
921 printf("Unknown RADIUS message code\n");
922 return RADIUS_RX_UNKNOWN;
923 }
924
925 e->radius_identifier = -1;
926 wpa_printf(MSG_DEBUG, "RADIUS packet matching with station");
927
928 radius_msg_free(e->last_recv_radius);
929 e->last_recv_radius = msg;
930
931 switch (hdr->code) {
932 case RADIUS_CODE_ACCESS_ACCEPT:
933 e->radius_access_accept_received = 1;
934 ieee802_1x_get_keys(e, msg, req, shared_secret,
935 shared_secret_len);
936 break;
937 case RADIUS_CODE_ACCESS_REJECT:
938 e->radius_access_reject_received = 1;
939 break;
940 }
941
942 ieee802_1x_decapsulate_radius(e);
943
944 if ((hdr->code == RADIUS_CODE_ACCESS_ACCEPT &&
945 e->eapol_test_num_reauths < 0) ||
946 hdr->code == RADIUS_CODE_ACCESS_REJECT) {
947 if (!e->ctrl_iface)
948 eloop_terminate();
949 }
950
951 return RADIUS_RX_QUEUED;
952 }
953
954
driver_get_ssid(void * priv,u8 * ssid)955 static int driver_get_ssid(void *priv, u8 *ssid)
956 {
957 ssid[0] = 0;
958 return 0;
959 }
960
961
driver_get_bssid(void * priv,u8 * bssid)962 static int driver_get_bssid(void *priv, u8 *bssid)
963 {
964 struct eapol_test_data *e = priv;
965
966 if (e->ctrl_iface && !e->id_req_sent) {
967 eloop_register_timeout(0, 0, send_eap_request_identity,
968 e->wpa_s, NULL);
969 e->id_req_sent = 1;
970 }
971
972 os_memset(bssid, 0, ETH_ALEN);
973 bssid[5] = 1;
974 return 0;
975 }
976
977
driver_get_capa(void * priv,struct wpa_driver_capa * capa)978 static int driver_get_capa(void *priv, struct wpa_driver_capa *capa)
979 {
980 os_memset(capa, 0, sizeof(*capa));
981 capa->flags = WPA_DRIVER_FLAGS_WIRED;
982 return 0;
983 }
984
985
986 struct wpa_driver_ops eapol_test_drv_ops = {
987 .name = "test",
988 .get_ssid = driver_get_ssid,
989 .get_bssid = driver_get_bssid,
990 .get_capa = driver_get_capa,
991 };
992
wpa_init_conf(struct eapol_test_data * e,struct wpa_supplicant * wpa_s,const char * authsrv,int port,const char * secret,const char * cli_addr,const char * ifname)993 static void wpa_init_conf(struct eapol_test_data *e,
994 struct wpa_supplicant *wpa_s, const char *authsrv,
995 int port, const char *secret,
996 const char *cli_addr, const char *ifname)
997 {
998 struct hostapd_radius_server *as;
999 int res;
1000
1001 wpa_s->driver = &eapol_test_drv_ops;
1002 wpa_s->drv_priv = e;
1003 wpa_s->bssid[5] = 1;
1004 os_memcpy(wpa_s->own_addr, e->own_addr, ETH_ALEN);
1005 e->own_ip_addr.s_addr = htonl((127 << 24) | 1);
1006 os_strlcpy(wpa_s->ifname, ifname, sizeof(wpa_s->ifname));
1007
1008 e->radius_conf = os_zalloc(sizeof(struct hostapd_radius_servers));
1009 assert(e->radius_conf != NULL);
1010 e->radius_conf->num_auth_servers = 1;
1011 as = os_zalloc(sizeof(struct hostapd_radius_server));
1012 assert(as != NULL);
1013 #if defined(CONFIG_NATIVE_WINDOWS) || defined(CONFIG_ANSI_C_EXTRA)
1014 {
1015 int a[4];
1016 u8 *pos;
1017 sscanf(authsrv, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3]);
1018 pos = (u8 *) &as->addr.u.v4;
1019 *pos++ = a[0];
1020 *pos++ = a[1];
1021 *pos++ = a[2];
1022 *pos++ = a[3];
1023 }
1024 #else /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
1025 if (hostapd_parse_ip_addr(authsrv, &as->addr) < 0) {
1026 wpa_printf(MSG_ERROR, "Invalid IP address '%s'",
1027 authsrv);
1028 assert(0);
1029 }
1030 #endif /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
1031 as->port = port;
1032 as->shared_secret = (u8 *) os_strdup(secret);
1033 as->shared_secret_len = os_strlen(secret);
1034 e->radius_conf->auth_server = as;
1035 e->radius_conf->auth_servers = as;
1036 e->radius_conf->msg_dumps = 1;
1037 if (cli_addr) {
1038 if (hostapd_parse_ip_addr(cli_addr,
1039 &e->radius_conf->client_addr) == 0)
1040 e->radius_conf->force_client_addr = 1;
1041 else {
1042 wpa_printf(MSG_ERROR, "Invalid IP address '%s'",
1043 cli_addr);
1044 assert(0);
1045 }
1046 }
1047
1048 e->radius = radius_client_init(wpa_s, e->radius_conf);
1049 assert(e->radius != NULL);
1050
1051 res = radius_client_register(e->radius, RADIUS_AUTH,
1052 ieee802_1x_receive_auth, e);
1053 assert(res == 0);
1054 }
1055
1056
scard_test(struct eapol_test_data * e)1057 static int scard_test(struct eapol_test_data *e)
1058 {
1059 struct scard_data *scard;
1060 size_t len;
1061 char imsi[20];
1062 unsigned char _rand[16];
1063 #ifdef PCSC_FUNCS
1064 unsigned char sres[4];
1065 unsigned char kc[8];
1066 #endif /* PCSC_FUNCS */
1067 #define num_triplets 5
1068 unsigned char rand_[num_triplets][16];
1069 unsigned char sres_[num_triplets][4];
1070 unsigned char kc_[num_triplets][8];
1071 int i, res;
1072 size_t j;
1073
1074 #define AKA_RAND_LEN 16
1075 #define AKA_AUTN_LEN 16
1076 #define AKA_AUTS_LEN 14
1077 #define RES_MAX_LEN 16
1078 #define IK_LEN 16
1079 #define CK_LEN 16
1080 unsigned char aka_rand[AKA_RAND_LEN];
1081 unsigned char aka_autn[AKA_AUTN_LEN];
1082 unsigned char aka_auts[AKA_AUTS_LEN];
1083 unsigned char aka_res[RES_MAX_LEN];
1084 size_t aka_res_len;
1085 unsigned char aka_ik[IK_LEN];
1086 unsigned char aka_ck[CK_LEN];
1087
1088 scard = scard_init(e->pcsc_reader);
1089 if (scard == NULL)
1090 return -1;
1091 if (scard_set_pin(scard, e->pcsc_pin)) {
1092 wpa_printf(MSG_WARNING, "PIN validation failed");
1093 scard_deinit(scard);
1094 return -1;
1095 }
1096
1097 len = sizeof(imsi);
1098 if (scard_get_imsi(scard, imsi, &len))
1099 goto failed;
1100 wpa_hexdump_ascii(MSG_DEBUG, "SCARD: IMSI", (u8 *) imsi, len);
1101 /* NOTE: Permanent Username: 1 | IMSI */
1102
1103 wpa_printf(MSG_DEBUG, "SCARD: MNC length %d",
1104 scard_get_mnc_len(scard));
1105
1106 os_memset(_rand, 0, sizeof(_rand));
1107 if (scard_gsm_auth(scard, _rand, sres, kc))
1108 goto failed;
1109
1110 os_memset(_rand, 0xff, sizeof(_rand));
1111 if (scard_gsm_auth(scard, _rand, sres, kc))
1112 goto failed;
1113
1114 for (i = 0; i < num_triplets; i++) {
1115 os_memset(rand_[i], i, sizeof(rand_[i]));
1116 if (scard_gsm_auth(scard, rand_[i], sres_[i], kc_[i]))
1117 goto failed;
1118 }
1119
1120 for (i = 0; i < num_triplets; i++) {
1121 printf("1");
1122 for (j = 0; j < len; j++)
1123 printf("%c", imsi[j]);
1124 printf(",");
1125 for (j = 0; j < 16; j++)
1126 printf("%02X", rand_[i][j]);
1127 printf(",");
1128 for (j = 0; j < 4; j++)
1129 printf("%02X", sres_[i][j]);
1130 printf(",");
1131 for (j = 0; j < 8; j++)
1132 printf("%02X", kc_[i][j]);
1133 printf("\n");
1134 }
1135
1136 wpa_printf(MSG_DEBUG, "Trying to use UMTS authentication");
1137
1138 /* seq 39 (0x28) */
1139 os_memset(aka_rand, 0xaa, 16);
1140 os_memcpy(aka_autn, "\x86\x71\x31\xcb\xa2\xfc\x61\xdf"
1141 "\xa3\xb3\x97\x9d\x07\x32\xa2\x12", 16);
1142
1143 res = scard_umts_auth(scard, aka_rand, aka_autn, aka_res, &aka_res_len,
1144 aka_ik, aka_ck, aka_auts);
1145 if (res == 0) {
1146 wpa_printf(MSG_DEBUG, "UMTS auth completed successfully");
1147 wpa_hexdump(MSG_DEBUG, "RES", aka_res, aka_res_len);
1148 wpa_hexdump(MSG_DEBUG, "IK", aka_ik, IK_LEN);
1149 wpa_hexdump(MSG_DEBUG, "CK", aka_ck, CK_LEN);
1150 } else if (res == -2) {
1151 wpa_printf(MSG_DEBUG, "UMTS auth resulted in synchronization "
1152 "failure");
1153 wpa_hexdump(MSG_DEBUG, "AUTS", aka_auts, AKA_AUTS_LEN);
1154 } else {
1155 wpa_printf(MSG_DEBUG, "UMTS auth failed");
1156 }
1157
1158 failed:
1159 scard_deinit(scard);
1160
1161 return 0;
1162 #undef num_triplets
1163 }
1164
1165
scard_get_triplets(struct eapol_test_data * e,int argc,char * argv[])1166 static int scard_get_triplets(struct eapol_test_data *e, int argc, char *argv[])
1167 {
1168 struct scard_data *scard;
1169 size_t len;
1170 char imsi[20];
1171 unsigned char _rand[16];
1172 unsigned char sres[4];
1173 unsigned char kc[8];
1174 int num_triplets;
1175 int i;
1176 size_t j;
1177
1178 if (argc < 2 || ((num_triplets = atoi(argv[1])) <= 0)) {
1179 printf("invalid parameters for sim command\n");
1180 return -1;
1181 }
1182
1183 if (argc <= 2 || os_strcmp(argv[2], "debug") != 0) {
1184 /* disable debug output */
1185 wpa_debug_level = 99;
1186 }
1187
1188 scard = scard_init(e->pcsc_reader);
1189 if (scard == NULL) {
1190 printf("Failed to open smartcard connection\n");
1191 return -1;
1192 }
1193 if (scard_set_pin(scard, argv[0])) {
1194 wpa_printf(MSG_WARNING, "PIN validation failed");
1195 scard_deinit(scard);
1196 return -1;
1197 }
1198
1199 len = sizeof(imsi);
1200 if (scard_get_imsi(scard, imsi, &len)) {
1201 scard_deinit(scard);
1202 return -1;
1203 }
1204
1205 for (i = 0; i < num_triplets; i++) {
1206 os_memset(_rand, i, sizeof(_rand));
1207 if (scard_gsm_auth(scard, _rand, sres, kc))
1208 break;
1209
1210 /* IMSI:Kc:SRES:RAND */
1211 for (j = 0; j < len; j++)
1212 printf("%c", imsi[j]);
1213 printf(":");
1214 for (j = 0; j < 8; j++)
1215 printf("%02X", kc[j]);
1216 printf(":");
1217 for (j = 0; j < 4; j++)
1218 printf("%02X", sres[j]);
1219 printf(":");
1220 for (j = 0; j < 16; j++)
1221 printf("%02X", _rand[j]);
1222 printf("\n");
1223 }
1224
1225 scard_deinit(scard);
1226
1227 return 0;
1228 }
1229
1230
eapol_test_terminate(int sig,void * signal_ctx)1231 static void eapol_test_terminate(int sig, void *signal_ctx)
1232 {
1233 struct wpa_supplicant *wpa_s = signal_ctx;
1234 wpa_msg(wpa_s, MSG_INFO, "Signal %d received - terminating", sig);
1235 eloop_terminate();
1236 }
1237
1238
usage(void)1239 static void usage(void)
1240 {
1241 printf("usage:\n"
1242 "eapol_test [-enWS] -c<conf> [-a<AS IP>] [-p<AS port>] "
1243 "[-s<AS secret>]\\\n"
1244 " [-r<count>] [-t<timeout>] [-C<Connect-Info>] \\\n"
1245 " [-M<client MAC address>] [-o<server cert file] \\\n"
1246 " [-N<attr spec>] [-R<PC/SC reader>] "
1247 "[-P<PC/SC PIN>] \\\n"
1248 " [-A<client IP>] [-i<ifname>] [-T<ctrl_iface>]\n"
1249 "eapol_test scard\n"
1250 "eapol_test sim <PIN> <num triplets> [debug]\n"
1251 "\n");
1252 printf("options:\n"
1253 " -c<conf> = configuration file\n"
1254 " -a<AS IP> = IP address of the authentication server, "
1255 "default 127.0.0.1\n"
1256 " -p<AS port> = UDP port of the authentication server, "
1257 "default 1812\n"
1258 " -s<AS secret> = shared secret with the authentication "
1259 "server, default 'radius'\n"
1260 " -A<client IP> = IP address of the client, default: select "
1261 "automatically\n"
1262 " -r<count> = number of re-authentications\n"
1263 " -e = Request EAP-Key-Name\n"
1264 " -W = wait for a control interface monitor before starting\n"
1265 " -S = save configuration after authentication\n"
1266 " -n = no MPPE keys expected\n"
1267 " -t<timeout> = sets timeout in seconds (default: 30 s)\n"
1268 " -C<Connect-Info> = RADIUS Connect-Info (default: "
1269 "CONNECT 11Mbps 802.11b)\n"
1270 " -M<client MAC address> = Set own MAC address "
1271 "(Calling-Station-Id,\n"
1272 " default: 02:00:00:00:00:01)\n"
1273 " -o<server cert file> = Write received server certificate\n"
1274 " chain to the specified file\n"
1275 " -N<attr spec> = send arbitrary attribute specified by:\n"
1276 " attr_id:syntax:value or attr_id\n"
1277 " attr_id - number id of the attribute\n"
1278 " syntax - one of: s, d, x\n"
1279 " s = string\n"
1280 " d = integer\n"
1281 " x = octet string\n"
1282 " value - attribute value.\n"
1283 " When only attr_id is specified, NULL will be used as "
1284 "value.\n"
1285 " Multiple attributes can be specified by using the "
1286 "option several times.\n");
1287 }
1288
1289
main(int argc,char * argv[])1290 int main(int argc, char *argv[])
1291 {
1292 struct wpa_global global;
1293 struct wpa_supplicant wpa_s;
1294 int c, ret = 1, wait_for_monitor = 0, save_config = 0;
1295 char *as_addr = "127.0.0.1";
1296 int as_port = 1812;
1297 char *as_secret = "radius";
1298 char *cli_addr = NULL;
1299 char *conf = NULL;
1300 int timeout = 30;
1301 char *pos;
1302 struct extra_radius_attr *p = NULL, *p1;
1303 const char *ifname = "test";
1304 const char *ctrl_iface = NULL;
1305
1306 if (os_program_init())
1307 return -1;
1308
1309 hostapd_logger_register_cb(hostapd_logger_cb);
1310
1311 os_memset(&eapol_test, 0, sizeof(eapol_test));
1312 eapol_test.connect_info = "CONNECT 11Mbps 802.11b";
1313 os_memcpy(eapol_test.own_addr, "\x02\x00\x00\x00\x00\x01", ETH_ALEN);
1314 eapol_test.pcsc_pin = "1234";
1315
1316 wpa_debug_level = 0;
1317 wpa_debug_show_keys = 1;
1318
1319 for (;;) {
1320 c = getopt(argc, argv, "a:A:c:C:ei:M:nN:o:p:P:r:R:s:St:T:W");
1321 if (c < 0)
1322 break;
1323 switch (c) {
1324 case 'a':
1325 as_addr = optarg;
1326 break;
1327 case 'A':
1328 cli_addr = optarg;
1329 break;
1330 case 'c':
1331 conf = optarg;
1332 break;
1333 case 'C':
1334 eapol_test.connect_info = optarg;
1335 break;
1336 case 'e':
1337 eapol_test.req_eap_key_name = 1;
1338 break;
1339 case 'i':
1340 ifname = optarg;
1341 break;
1342 case 'M':
1343 if (hwaddr_aton(optarg, eapol_test.own_addr)) {
1344 usage();
1345 return -1;
1346 }
1347 break;
1348 case 'n':
1349 eapol_test.no_mppe_keys++;
1350 break;
1351 case 'o':
1352 if (eapol_test.server_cert_file)
1353 fclose(eapol_test.server_cert_file);
1354 eapol_test.server_cert_file = fopen(optarg, "w");
1355 if (eapol_test.server_cert_file == NULL) {
1356 printf("Could not open '%s' for writing\n",
1357 optarg);
1358 return -1;
1359 }
1360 break;
1361 case 'p':
1362 as_port = atoi(optarg);
1363 break;
1364 case 'P':
1365 eapol_test.pcsc_pin = optarg;
1366 break;
1367 case 'r':
1368 eapol_test.eapol_test_num_reauths = atoi(optarg);
1369 break;
1370 case 'R':
1371 eapol_test.pcsc_reader = optarg;
1372 break;
1373 case 's':
1374 as_secret = optarg;
1375 break;
1376 case 'S':
1377 save_config++;
1378 break;
1379 case 't':
1380 timeout = atoi(optarg);
1381 break;
1382 case 'T':
1383 ctrl_iface = optarg;
1384 eapol_test.ctrl_iface = 1;
1385 break;
1386 case 'W':
1387 wait_for_monitor++;
1388 break;
1389 case 'N':
1390 p1 = os_zalloc(sizeof(*p1));
1391 if (p1 == NULL)
1392 break;
1393 if (!p)
1394 eapol_test.extra_attrs = p1;
1395 else
1396 p->next = p1;
1397 p = p1;
1398
1399 p->type = atoi(optarg);
1400 pos = os_strchr(optarg, ':');
1401 if (pos == NULL) {
1402 p->syntax = 'n';
1403 p->data = NULL;
1404 break;
1405 }
1406
1407 pos++;
1408 if (pos[0] == '\0' || pos[1] != ':') {
1409 printf("Incorrect format of attribute "
1410 "specification\n");
1411 break;
1412 }
1413
1414 p->syntax = pos[0];
1415 p->data = pos + 2;
1416 break;
1417 default:
1418 usage();
1419 return -1;
1420 }
1421 }
1422
1423 if (argc > optind && os_strcmp(argv[optind], "scard") == 0) {
1424 return scard_test(&eapol_test);
1425 }
1426
1427 if (argc > optind && os_strcmp(argv[optind], "sim") == 0) {
1428 return scard_get_triplets(&eapol_test, argc - optind - 1,
1429 &argv[optind + 1]);
1430 }
1431
1432 if (conf == NULL && !ctrl_iface) {
1433 usage();
1434 printf("Configuration file is required.\n");
1435 return -1;
1436 }
1437
1438 if (eap_register_methods()) {
1439 wpa_printf(MSG_ERROR, "Failed to register EAP methods");
1440 return -1;
1441 }
1442
1443 if (eloop_init()) {
1444 wpa_printf(MSG_ERROR, "Failed to initialize event loop");
1445 return -1;
1446 }
1447
1448 os_memset(&global, 0, sizeof(global));
1449 os_memset(&wpa_s, 0, sizeof(wpa_s));
1450 wpa_s.global = &global;
1451 eapol_test.wpa_s = &wpa_s;
1452 dl_list_init(&wpa_s.bss);
1453 dl_list_init(&wpa_s.bss_id);
1454 if (conf)
1455 wpa_s.conf = wpa_config_read(conf, NULL);
1456 else
1457 wpa_s.conf = wpa_config_alloc_empty(ctrl_iface, NULL);
1458 if (wpa_s.conf == NULL) {
1459 printf("Failed to parse configuration file '%s'.\n", conf);
1460 return -1;
1461 }
1462 if (!ctrl_iface && wpa_s.conf->ssid == NULL) {
1463 printf("No networks defined.\n");
1464 return -1;
1465 }
1466
1467 if (eapol_test.pcsc_reader) {
1468 os_free(wpa_s.conf->pcsc_reader);
1469 wpa_s.conf->pcsc_reader = os_strdup(eapol_test.pcsc_reader);
1470 }
1471
1472 wpa_init_conf(&eapol_test, &wpa_s, as_addr, as_port, as_secret,
1473 cli_addr, ifname);
1474 wpa_s.ctrl_iface = wpa_supplicant_ctrl_iface_init(&wpa_s);
1475 if (wpa_s.ctrl_iface == NULL) {
1476 printf("Failed to initialize control interface '%s'.\n"
1477 "You may have another eapol_test process already "
1478 "running or the file was\n"
1479 "left by an unclean termination of eapol_test in "
1480 "which case you will need\n"
1481 "to manually remove this file before starting "
1482 "eapol_test again.\n",
1483 wpa_s.conf->ctrl_interface);
1484 return -1;
1485 }
1486 if (wpa_s.conf->ssid &&
1487 wpa_supplicant_scard_init(&wpa_s, wpa_s.conf->ssid))
1488 return -1;
1489
1490 if (test_eapol(&eapol_test, &wpa_s, wpa_s.conf->ssid))
1491 return -1;
1492
1493 if (wpas_init_ext_pw(&wpa_s) < 0)
1494 return -1;
1495
1496 if (wait_for_monitor)
1497 wpa_supplicant_ctrl_iface_wait(wpa_s.ctrl_iface);
1498
1499 if (!ctrl_iface) {
1500 eloop_register_timeout(timeout, 0, eapol_test_timeout,
1501 &eapol_test, NULL);
1502 eloop_register_timeout(0, 0, send_eap_request_identity, &wpa_s,
1503 NULL);
1504 }
1505 eloop_register_signal_terminate(eapol_test_terminate, &wpa_s);
1506 eloop_register_signal_reconfig(eapol_test_terminate, &wpa_s);
1507 eloop_run();
1508
1509 eloop_cancel_timeout(eapol_test_timeout, &eapol_test, NULL);
1510 eloop_cancel_timeout(eapol_sm_reauth, &eapol_test, NULL);
1511
1512 if (eapol_test_compare_pmk(&eapol_test) == 0 ||
1513 eapol_test.no_mppe_keys)
1514 ret = 0;
1515 if (eapol_test.auth_timed_out)
1516 ret = -2;
1517 if (eapol_test.radius_access_reject_received)
1518 ret = -3;
1519
1520 if (save_config)
1521 wpa_config_write(conf, wpa_s.conf);
1522
1523 test_eapol_clean(&eapol_test, &wpa_s);
1524
1525 eap_peer_unregister_methods();
1526 #ifdef CONFIG_AP
1527 eap_server_unregister_methods();
1528 #endif /* CONFIG_AP */
1529
1530 eloop_destroy();
1531
1532 if (eapol_test.server_cert_file)
1533 fclose(eapol_test.server_cert_file);
1534
1535 printf("MPPE keys OK: %d mismatch: %d\n",
1536 eapol_test.num_mppe_ok, eapol_test.num_mppe_mismatch);
1537 if (eapol_test.num_mppe_mismatch)
1538 ret = -4;
1539 if (ret)
1540 printf("FAILURE\n");
1541 else
1542 printf("SUCCESS\n");
1543
1544 os_program_deinit();
1545
1546 return ret;
1547 }
1548