2 * WPA Supplicant - test code
3 * Copyright (c) 2003-2013, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
8 * IEEE 802.1X Supplicant test code (to be used in place of wpa_supplicant.c.
9 * Not used in production version.
16 #include "utils/ext_password.h"
18 #include "eapol_supp/eapol_supp_sm.h"
19 #include "eap_peer/eap.h"
20 #include "eap_server/eap_methods.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"
33 struct wpa_driver_ops *wpa_drivers[] = { NULL };
36 struct extra_radius_attr {
40 struct extra_radius_attr *next;
43 struct eapol_test_data {
44 struct wpa_supplicant *wpa_s;
46 int eapol_test_num_reauths;
48 int num_mppe_ok, num_mppe_mismatch;
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;
57 /* last received EAP Response from Authentication Server */
58 struct wpabuf *last_eap_radius;
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;
69 size_t eap_identity_len;
72 u8 own_addr[ETH_ALEN];
73 struct extra_radius_attr *extra_attrs;
75 FILE *server_cert_file;
77 const char *pcsc_reader;
81 static struct eapol_test_data eapol_test;
84 static void send_eap_request_identity(void *eloop_ctx, void *timeout_ctx);
87 static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module,
88 int level, const char *txt, size_t len)
91 wpa_printf(MSG_DEBUG, "STA " MACSTR ": %s\n",
94 wpa_printf(MSG_DEBUG, "%s", txt);
98 static int add_extra_attr(struct radius_msg *msg,
99 struct extra_radius_attr *attr)
104 char buf[RADIUS_MAX_ATTR_LEN + 1];
106 switch (attr->syntax) {
108 os_snprintf(buf, sizeof(buf), "%s", attr->data);
109 len = os_strlen(buf);
117 if (pos[0] == '0' && pos[1] == 'x')
119 len = os_strlen(pos);
120 if ((len & 1) || (len / 2) > RADIUS_MAX_ATTR_LEN) {
121 printf("Invalid extra attribute hexstring\n");
125 if (hexstr2bin(pos, (u8 *) buf, len) < 0) {
126 printf("Invalid extra attribute hexstring\n");
131 val = htonl(atoi(attr->data));
132 os_memcpy(buf, &val, 4);
136 printf("Incorrect extra attribute syntax specification\n");
140 if (!radius_msg_add_attr(msg, attr->type, (u8 *) buf, len)) {
141 printf("Could not add attribute %d\n", attr->type);
149 static int add_extra_attrs(struct radius_msg *msg,
150 struct extra_radius_attr *attrs)
152 struct extra_radius_attr *p;
153 for (p = attrs; p; p = p->next) {
154 if (add_extra_attr(msg, p) < 0)
161 static struct extra_radius_attr *
162 find_extra_attr(struct extra_radius_attr *attrs, u8 type)
164 struct extra_radius_attr *p;
165 for (p = attrs; p; p = p->next) {
173 static void ieee802_1x_encapsulate_radius(struct eapol_test_data *e,
174 const u8 *eap, size_t len)
176 struct radius_msg *msg;
177 char buf[RADIUS_MAX_ATTR_LEN + 1];
178 const struct eap_hdr *hdr;
181 wpa_printf(MSG_DEBUG, "Encapsulating EAP message into a RADIUS "
184 e->radius_identifier = radius_client_get_id(e->radius);
185 msg = radius_msg_new(RADIUS_CODE_ACCESS_REQUEST,
186 e->radius_identifier);
188 printf("Could not create net RADIUS packet\n");
192 radius_msg_make_authenticator(msg, (u8 *) e, sizeof(*e));
194 hdr = (const struct eap_hdr *) eap;
195 pos = (const u8 *) (hdr + 1);
196 if (len > sizeof(*hdr) && hdr->code == EAP_CODE_RESPONSE &&
197 pos[0] == EAP_TYPE_IDENTITY) {
199 os_free(e->eap_identity);
200 e->eap_identity_len = len - sizeof(*hdr) - 1;
201 e->eap_identity = os_malloc(e->eap_identity_len);
202 if (e->eap_identity) {
203 os_memcpy(e->eap_identity, pos, e->eap_identity_len);
204 wpa_hexdump(MSG_DEBUG, "Learned identity from "
205 "EAP-Response-Identity",
206 e->eap_identity, e->eap_identity_len);
210 if (e->eap_identity &&
211 !radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME,
212 e->eap_identity, e->eap_identity_len)) {
213 printf("Could not add User-Name\n");
217 if (e->req_eap_key_name &&
218 !radius_msg_add_attr(msg, RADIUS_ATTR_EAP_KEY_NAME, (u8 *) "\0",
220 printf("Could not add EAP-Key-Name\n");
224 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_NAS_IP_ADDRESS) &&
225 !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
226 (u8 *) &e->own_ip_addr, 4)) {
227 printf("Could not add NAS-IP-Address\n");
231 os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT,
232 MAC2STR(e->wpa_s->own_addr));
233 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_CALLING_STATION_ID)
235 !radius_msg_add_attr(msg, RADIUS_ATTR_CALLING_STATION_ID,
236 (u8 *) buf, os_strlen(buf))) {
237 printf("Could not add Calling-Station-Id\n");
241 /* TODO: should probably check MTU from driver config; 2304 is max for
242 * IEEE 802.11, but use 1400 to avoid problems with too large packets
244 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_FRAMED_MTU) &&
245 !radius_msg_add_attr_int32(msg, RADIUS_ATTR_FRAMED_MTU, 1400)) {
246 printf("Could not add Framed-MTU\n");
250 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_NAS_PORT_TYPE) &&
251 !radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT_TYPE,
252 RADIUS_NAS_PORT_TYPE_IEEE_802_11)) {
253 printf("Could not add NAS-Port-Type\n");
257 os_snprintf(buf, sizeof(buf), "%s", e->connect_info);
258 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_CONNECT_INFO) &&
259 !radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
260 (u8 *) buf, os_strlen(buf))) {
261 printf("Could not add Connect-Info\n");
265 if (add_extra_attrs(msg, e->extra_attrs) < 0)
268 if (eap && !radius_msg_add_eap(msg, eap, len)) {
269 printf("Could not add EAP-Message\n");
273 /* State attribute must be copied if and only if this packet is
274 * Access-Request reply to the previous Access-Challenge */
275 if (e->last_recv_radius &&
276 radius_msg_get_hdr(e->last_recv_radius)->code ==
277 RADIUS_CODE_ACCESS_CHALLENGE) {
278 int res = radius_msg_copy_attr(msg, e->last_recv_radius,
281 printf("Could not copy State attribute from previous "
282 "Access-Challenge\n");
286 wpa_printf(MSG_DEBUG, " Copied RADIUS State "
291 if (radius_client_send(e->radius, msg, RADIUS_AUTH, e->wpa_s->own_addr)
297 radius_msg_free(msg);
301 static int eapol_test_eapol_send(void *ctx, int type, const u8 *buf,
304 printf("WPA: eapol_test_eapol_send(type=%d len=%lu)\n",
305 type, (unsigned long) len);
306 if (type == IEEE802_1X_TYPE_EAP_PACKET) {
307 wpa_hexdump(MSG_DEBUG, "TX EAP -> RADIUS", buf, len);
308 ieee802_1x_encapsulate_radius(&eapol_test, buf, len);
314 static void eapol_test_set_config_blob(void *ctx,
315 struct wpa_config_blob *blob)
317 struct eapol_test_data *e = ctx;
318 wpa_config_set_blob(e->wpa_s->conf, blob);
322 static const struct wpa_config_blob *
323 eapol_test_get_config_blob(void *ctx, const char *name)
325 struct eapol_test_data *e = ctx;
326 return wpa_config_get_blob(e->wpa_s->conf, name);
330 static void eapol_test_eapol_done_cb(void *ctx)
332 printf("WPA: EAPOL processing complete\n");
336 static void eapol_sm_reauth(void *eloop_ctx, void *timeout_ctx)
338 struct eapol_test_data *e = eloop_ctx;
339 printf("\n\n\n\n\neapol_test: Triggering EAP reauthentication\n\n");
340 e->radius_access_accept_received = 0;
341 send_eap_request_identity(e->wpa_s, NULL);
345 static int eapol_test_compare_pmk(struct eapol_test_data *e)
352 if (eapol_sm_get_key(e->wpa_s->eapol, pmk, PMK_LEN) == 0) {
353 wpa_hexdump(MSG_DEBUG, "PMK from EAPOL", pmk, PMK_LEN);
354 if (os_memcmp(pmk, e->authenticator_pmk, PMK_LEN) != 0) {
355 printf("WARNING: PMK mismatch\n");
356 wpa_hexdump(MSG_DEBUG, "PMK from AS",
357 e->authenticator_pmk, PMK_LEN);
358 } else if (e->radius_access_accept_received)
360 } else if (e->authenticator_pmk_len == 16 &&
361 eapol_sm_get_key(e->wpa_s->eapol, pmk, 16) == 0) {
362 wpa_hexdump(MSG_DEBUG, "LEAP PMK from EAPOL", pmk, 16);
363 if (os_memcmp(pmk, e->authenticator_pmk, 16) != 0) {
364 printf("WARNING: PMK mismatch\n");
365 wpa_hexdump(MSG_DEBUG, "PMK from AS",
366 e->authenticator_pmk, 16);
367 } else if (e->radius_access_accept_received)
369 } else if (e->radius_access_accept_received && e->no_mppe_keys) {
370 /* No keying material expected */
374 if (ret && !e->no_mppe_keys)
375 e->num_mppe_mismatch++;
376 else if (!e->no_mppe_keys)
379 sess_id = eapol_sm_get_session_id(e->wpa_s->eapol, &sess_id_len);
382 if (e->authenticator_eap_key_name_len == 0) {
383 wpa_printf(MSG_INFO, "No EAP-Key-Name received from server");
387 if (e->authenticator_eap_key_name_len != sess_id_len ||
388 os_memcmp(e->authenticator_eap_key_name, sess_id, sess_id_len) != 0)
391 "Locally derived EAP Session-Id does not match EAP-Key-Name from server");
392 wpa_hexdump(MSG_DEBUG, "EAP Session-Id", sess_id, sess_id_len);
393 wpa_hexdump(MSG_DEBUG, "EAP-Key-Name from server",
394 e->authenticator_eap_key_name,
395 e->authenticator_eap_key_name_len);
398 "Locally derived EAP Session-Id matches EAP-Key-Name from server");
405 static void eapol_sm_cb(struct eapol_sm *eapol, enum eapol_supp_result result,
408 struct eapol_test_data *e = ctx;
409 printf("eapol_sm_cb: result=%d\n", result);
410 e->eapol_test_num_reauths--;
411 if (e->eapol_test_num_reauths < 0)
414 eapol_test_compare_pmk(e);
415 eloop_register_timeout(0, 100000, eapol_sm_reauth, e, NULL);
420 static void eapol_test_write_cert(FILE *f, const char *subject,
421 const struct wpabuf *cert)
423 unsigned char *encoded;
425 encoded = base64_encode(wpabuf_head(cert), wpabuf_len(cert), NULL);
428 fprintf(f, "%s\n-----BEGIN CERTIFICATE-----\n%s"
429 "-----END CERTIFICATE-----\n\n", subject, encoded);
434 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
435 static void eapol_test_eap_param_needed(void *ctx, enum wpa_ctrl_req_type field,
436 const char *default_txt)
438 struct eapol_test_data *e = ctx;
439 struct wpa_supplicant *wpa_s = e->wpa_s;
440 struct wpa_ssid *ssid = wpa_s->current_ssid;
441 const char *field_name, *txt = NULL;
449 field_name = wpa_supplicant_ctrl_req_to_string(field, default_txt,
451 if (field_name == NULL) {
452 wpa_printf(MSG_WARNING, "Unhandled EAP param %d needed",
457 buflen = 100 + os_strlen(txt) + ssid->ssid_len;
458 buf = os_malloc(buflen);
461 len = os_snprintf(buf, buflen,
462 WPA_CTRL_REQ "%s-%d:%s needed for SSID ",
463 field_name, ssid->id, txt);
464 if (len < 0 || (size_t) len >= buflen) {
468 if (ssid->ssid && buflen > len + ssid->ssid_len) {
469 os_memcpy(buf + len, ssid->ssid, ssid->ssid_len);
470 len += ssid->ssid_len;
473 buf[buflen - 1] = '\0';
474 wpa_msg(wpa_s, MSG_INFO, "%s", buf);
477 #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
478 #define eapol_test_eap_param_needed NULL
479 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
482 static void eapol_test_cert_cb(void *ctx, int depth, const char *subject,
483 const char *cert_hash,
484 const struct wpabuf *cert)
486 struct eapol_test_data *e = ctx;
488 wpa_msg(e->wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_CERT
489 "depth=%d subject='%s'%s%s",
491 cert_hash ? " hash=" : "",
492 cert_hash ? cert_hash : "");
496 size_t len = wpabuf_len(cert) * 2 + 1;
497 cert_hex = os_malloc(len);
499 wpa_snprintf_hex(cert_hex, len, wpabuf_head(cert),
501 wpa_msg_ctrl(e->wpa_s, MSG_INFO,
502 WPA_EVENT_EAP_PEER_CERT
503 "depth=%d subject='%s' cert=%s",
504 depth, subject, cert_hex);
508 if (e->server_cert_file)
509 eapol_test_write_cert(e->server_cert_file,
515 static void eapol_test_set_anon_id(void *ctx, const u8 *id, size_t len)
517 struct eapol_test_data *e = ctx;
518 struct wpa_supplicant *wpa_s = e->wpa_s;
522 wpa_hexdump_ascii(MSG_DEBUG, "EAP method updated anonymous_identity",
525 if (wpa_s->current_ssid == NULL)
529 if (wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
533 str = os_malloc(len * 2 + 1);
536 wpa_snprintf_hex(str, len * 2 + 1, id, len);
537 res = wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
546 static int test_eapol(struct eapol_test_data *e, struct wpa_supplicant *wpa_s,
547 struct wpa_ssid *ssid)
549 struct eapol_config eapol_conf;
550 struct eapol_ctx *ctx;
552 ctx = os_zalloc(sizeof(*ctx));
554 printf("Failed to allocate EAPOL context.\n");
558 ctx->msg_ctx = wpa_s;
559 ctx->scard_ctx = wpa_s->scard;
560 ctx->cb = eapol_sm_cb;
562 ctx->eapol_send_ctx = wpa_s;
564 ctx->eapol_done_cb = eapol_test_eapol_done_cb;
565 ctx->eapol_send = eapol_test_eapol_send;
566 ctx->set_config_blob = eapol_test_set_config_blob;
567 ctx->get_config_blob = eapol_test_get_config_blob;
568 ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
569 ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
570 ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
571 ctx->eap_param_needed = eapol_test_eap_param_needed;
572 ctx->cert_cb = eapol_test_cert_cb;
574 ctx->set_anon_id = eapol_test_set_anon_id;
576 wpa_s->eapol = eapol_sm_init(ctx);
577 if (wpa_s->eapol == NULL) {
579 printf("Failed to initialize EAPOL state machines.\n");
583 wpa_s->current_ssid = ssid;
584 os_memset(&eapol_conf, 0, sizeof(eapol_conf));
585 eapol_conf.accept_802_1x_keys = 1;
586 eapol_conf.required_keys = 0;
587 eapol_conf.fast_reauth = wpa_s->conf->fast_reauth;
588 eapol_conf.workaround = ssid->eap_workaround;
589 eapol_conf.external_sim = wpa_s->conf->external_sim;
590 eapol_sm_notify_config(wpa_s->eapol, &ssid->eap, &eapol_conf);
591 eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
594 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
595 /* 802.1X::portControl = Auto */
596 eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
602 static void test_eapol_clean(struct eapol_test_data *e,
603 struct wpa_supplicant *wpa_s)
605 struct extra_radius_attr *p, *prev;
607 radius_client_deinit(e->radius);
608 wpabuf_free(e->last_eap_radius);
609 radius_msg_free(e->last_recv_radius);
610 e->last_recv_radius = NULL;
611 os_free(e->eap_identity);
612 e->eap_identity = NULL;
613 eapol_sm_deinit(wpa_s->eapol);
615 if (e->radius_conf && e->radius_conf->auth_server) {
616 os_free(e->radius_conf->auth_server->shared_secret);
617 os_free(e->radius_conf->auth_server);
619 os_free(e->radius_conf);
620 e->radius_conf = NULL;
621 scard_deinit(wpa_s->scard);
622 if (wpa_s->ctrl_iface) {
623 wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface);
624 wpa_s->ctrl_iface = NULL;
627 ext_password_deinit(wpa_s->ext_pw);
628 wpa_s->ext_pw = NULL;
630 wpa_config_free(wpa_s->conf);
641 static void send_eap_request_identity(void *eloop_ctx, void *timeout_ctx)
643 struct wpa_supplicant *wpa_s = eloop_ctx;
645 struct ieee802_1x_hdr *hdr;
648 hdr = (struct ieee802_1x_hdr *) buf;
649 hdr->version = EAPOL_VERSION;
650 hdr->type = IEEE802_1X_TYPE_EAP_PACKET;
651 hdr->length = htons(5);
653 eap = (struct eap_hdr *) (hdr + 1);
654 eap->code = EAP_CODE_REQUEST;
656 eap->length = htons(5);
657 pos = (u8 *) (eap + 1);
658 *pos = EAP_TYPE_IDENTITY;
660 printf("Sending fake EAP-Request-Identity\n");
661 eapol_sm_rx_eapol(wpa_s->eapol, wpa_s->bssid, buf,
666 static void eapol_test_timeout(void *eloop_ctx, void *timeout_ctx)
668 struct eapol_test_data *e = eloop_ctx;
669 printf("EAPOL test timed out\n");
670 e->auth_timed_out = 1;
675 static char *eap_type_text(u8 type)
678 case EAP_TYPE_IDENTITY: return "Identity";
679 case EAP_TYPE_NOTIFICATION: return "Notification";
680 case EAP_TYPE_NAK: return "Nak";
681 case EAP_TYPE_TLS: return "TLS";
682 case EAP_TYPE_TTLS: return "TTLS";
683 case EAP_TYPE_PEAP: return "PEAP";
684 case EAP_TYPE_SIM: return "SIM";
685 case EAP_TYPE_GTC: return "GTC";
686 case EAP_TYPE_MD5: return "MD5";
687 case EAP_TYPE_OTP: return "OTP";
688 case EAP_TYPE_FAST: return "FAST";
689 case EAP_TYPE_SAKE: return "SAKE";
690 case EAP_TYPE_PSK: return "PSK";
691 default: return "Unknown";
696 static void ieee802_1x_decapsulate_radius(struct eapol_test_data *e)
699 const struct eap_hdr *hdr;
702 struct radius_msg *msg;
704 if (e->last_recv_radius == NULL)
707 msg = e->last_recv_radius;
709 eap = radius_msg_get_eap(msg);
711 /* draft-aboba-radius-rfc2869bis-20.txt, Chap. 2.6.3:
712 * RADIUS server SHOULD NOT send Access-Reject/no EAP-Message
714 wpa_printf(MSG_DEBUG, "could not extract "
715 "EAP-Message from RADIUS message");
716 wpabuf_free(e->last_eap_radius);
717 e->last_eap_radius = NULL;
721 if (wpabuf_len(eap) < sizeof(*hdr)) {
722 wpa_printf(MSG_DEBUG, "too short EAP packet "
723 "received from authentication server");
728 if (wpabuf_len(eap) > sizeof(*hdr))
729 eap_type = (wpabuf_head_u8(eap))[sizeof(*hdr)];
731 hdr = wpabuf_head(eap);
733 case EAP_CODE_REQUEST:
734 os_snprintf(buf, sizeof(buf), "EAP-Request-%s (%d)",
735 eap_type >= 0 ? eap_type_text(eap_type) : "??",
738 case EAP_CODE_RESPONSE:
739 os_snprintf(buf, sizeof(buf), "EAP Response-%s (%d)",
740 eap_type >= 0 ? eap_type_text(eap_type) : "??",
743 case EAP_CODE_SUCCESS:
744 os_strlcpy(buf, "EAP Success", sizeof(buf));
745 /* LEAP uses EAP Success within an authentication, so must not
746 * stop here with eloop_terminate(); */
748 case EAP_CODE_FAILURE:
749 os_strlcpy(buf, "EAP Failure", sizeof(buf));
753 os_strlcpy(buf, "unknown EAP code", sizeof(buf));
754 wpa_hexdump_buf(MSG_DEBUG, "Decapsulated EAP packet", eap);
757 wpa_printf(MSG_DEBUG, "decapsulated EAP packet (code=%d "
758 "id=%d len=%d) from RADIUS server: %s",
759 hdr->code, hdr->identifier, ntohs(hdr->length), buf);
761 /* sta->eapol_sm->be_auth.idFromServer = hdr->identifier; */
763 wpabuf_free(e->last_eap_radius);
764 e->last_eap_radius = eap;
767 struct ieee802_1x_hdr *dot1x;
768 dot1x = os_malloc(sizeof(*dot1x) + wpabuf_len(eap));
769 assert(dot1x != NULL);
770 dot1x->version = EAPOL_VERSION;
771 dot1x->type = IEEE802_1X_TYPE_EAP_PACKET;
772 dot1x->length = htons(wpabuf_len(eap));
773 os_memcpy((u8 *) (dot1x + 1), wpabuf_head(eap),
775 eapol_sm_rx_eapol(e->wpa_s->eapol, e->wpa_s->bssid,
777 sizeof(*dot1x) + wpabuf_len(eap));
783 static void ieee802_1x_get_keys(struct eapol_test_data *e,
784 struct radius_msg *msg, struct radius_msg *req,
785 const u8 *shared_secret,
786 size_t shared_secret_len)
788 struct radius_ms_mppe_keys *keys;
792 keys = radius_msg_get_ms_keys(msg, req, shared_secret,
794 if (keys && keys->send == NULL && keys->recv == NULL) {
796 keys = radius_msg_get_cisco_keys(msg, req, shared_secret,
802 wpa_hexdump(MSG_DEBUG, "MS-MPPE-Send-Key (sign)",
803 keys->send, keys->send_len);
806 wpa_hexdump(MSG_DEBUG, "MS-MPPE-Recv-Key (crypt)",
807 keys->recv, keys->recv_len);
808 e->authenticator_pmk_len =
809 keys->recv_len > PMK_LEN ? PMK_LEN :
811 os_memcpy(e->authenticator_pmk, keys->recv,
812 e->authenticator_pmk_len);
813 if (e->authenticator_pmk_len == 16 && keys->send &&
814 keys->send_len == 16) {
815 /* MS-CHAP-v2 derives 16 octet keys */
816 wpa_printf(MSG_DEBUG, "Use MS-MPPE-Send-Key "
817 "to extend PMK to 32 octets");
818 os_memcpy(e->authenticator_pmk +
819 e->authenticator_pmk_len,
820 keys->send, keys->send_len);
821 e->authenticator_pmk_len += keys->send_len;
830 if (radius_msg_get_attr_ptr(msg, RADIUS_ATTR_EAP_KEY_NAME, &buf, &len,
832 os_memcpy(e->authenticator_eap_key_name, buf, len);
833 e->authenticator_eap_key_name_len = len;
835 e->authenticator_eap_key_name_len = 0;
840 /* Process the RADIUS frames from Authentication Server */
841 static RadiusRxResult
842 ieee802_1x_receive_auth(struct radius_msg *msg, struct radius_msg *req,
843 const u8 *shared_secret, size_t shared_secret_len,
846 struct eapol_test_data *e = data;
847 struct radius_hdr *hdr = radius_msg_get_hdr(msg);
849 /* RFC 2869, Ch. 5.13: valid Message-Authenticator attribute MUST be
850 * present when packet contains an EAP-Message attribute */
851 if (hdr->code == RADIUS_CODE_ACCESS_REJECT &&
852 radius_msg_get_attr(msg, RADIUS_ATTR_MESSAGE_AUTHENTICATOR, NULL,
854 radius_msg_get_attr(msg, RADIUS_ATTR_EAP_MESSAGE, NULL, 0) < 0) {
855 wpa_printf(MSG_DEBUG, "Allowing RADIUS "
856 "Access-Reject without Message-Authenticator "
857 "since it does not include EAP-Message\n");
858 } else if (radius_msg_verify(msg, shared_secret, shared_secret_len,
860 printf("Incoming RADIUS packet did not have correct "
861 "Message-Authenticator - dropped\n");
862 return RADIUS_RX_UNKNOWN;
865 if (hdr->code != RADIUS_CODE_ACCESS_ACCEPT &&
866 hdr->code != RADIUS_CODE_ACCESS_REJECT &&
867 hdr->code != RADIUS_CODE_ACCESS_CHALLENGE) {
868 printf("Unknown RADIUS message code\n");
869 return RADIUS_RX_UNKNOWN;
872 e->radius_identifier = -1;
873 wpa_printf(MSG_DEBUG, "RADIUS packet matching with station");
875 radius_msg_free(e->last_recv_radius);
876 e->last_recv_radius = msg;
879 case RADIUS_CODE_ACCESS_ACCEPT:
880 e->radius_access_accept_received = 1;
881 ieee802_1x_get_keys(e, msg, req, shared_secret,
884 case RADIUS_CODE_ACCESS_REJECT:
885 e->radius_access_reject_received = 1;
889 ieee802_1x_decapsulate_radius(e);
891 if ((hdr->code == RADIUS_CODE_ACCESS_ACCEPT &&
892 e->eapol_test_num_reauths < 0) ||
893 hdr->code == RADIUS_CODE_ACCESS_REJECT) {
897 return RADIUS_RX_QUEUED;
901 static void wpa_init_conf(struct eapol_test_data *e,
902 struct wpa_supplicant *wpa_s, const char *authsrv,
903 int port, const char *secret,
904 const char *cli_addr)
906 struct hostapd_radius_server *as;
910 os_memcpy(wpa_s->own_addr, e->own_addr, ETH_ALEN);
911 e->own_ip_addr.s_addr = htonl((127 << 24) | 1);
912 os_strlcpy(wpa_s->ifname, "test", sizeof(wpa_s->ifname));
914 e->radius_conf = os_zalloc(sizeof(struct hostapd_radius_servers));
915 assert(e->radius_conf != NULL);
916 e->radius_conf->num_auth_servers = 1;
917 as = os_zalloc(sizeof(struct hostapd_radius_server));
919 #if defined(CONFIG_NATIVE_WINDOWS) || defined(CONFIG_ANSI_C_EXTRA)
923 sscanf(authsrv, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3]);
924 pos = (u8 *) &as->addr.u.v4;
930 #else /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
931 inet_aton(authsrv, &as->addr.u.v4);
932 #endif /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
933 as->addr.af = AF_INET;
935 as->shared_secret = (u8 *) os_strdup(secret);
936 as->shared_secret_len = os_strlen(secret);
937 e->radius_conf->auth_server = as;
938 e->radius_conf->auth_servers = as;
939 e->radius_conf->msg_dumps = 1;
941 if (hostapd_parse_ip_addr(cli_addr,
942 &e->radius_conf->client_addr) == 0)
943 e->radius_conf->force_client_addr = 1;
945 wpa_printf(MSG_ERROR, "Invalid IP address '%s'",
951 e->radius = radius_client_init(wpa_s, e->radius_conf);
952 assert(e->radius != NULL);
954 res = radius_client_register(e->radius, RADIUS_AUTH,
955 ieee802_1x_receive_auth, e);
960 static int scard_test(struct eapol_test_data *e)
962 struct scard_data *scard;
965 unsigned char _rand[16];
967 unsigned char sres[4];
969 #endif /* PCSC_FUNCS */
970 #define num_triplets 5
971 unsigned char rand_[num_triplets][16];
972 unsigned char sres_[num_triplets][4];
973 unsigned char kc_[num_triplets][8];
977 #define AKA_RAND_LEN 16
978 #define AKA_AUTN_LEN 16
979 #define AKA_AUTS_LEN 14
980 #define RES_MAX_LEN 16
983 unsigned char aka_rand[AKA_RAND_LEN];
984 unsigned char aka_autn[AKA_AUTN_LEN];
985 unsigned char aka_auts[AKA_AUTS_LEN];
986 unsigned char aka_res[RES_MAX_LEN];
988 unsigned char aka_ik[IK_LEN];
989 unsigned char aka_ck[CK_LEN];
991 scard = scard_init(e->pcsc_reader);
994 if (scard_set_pin(scard, e->pcsc_pin)) {
995 wpa_printf(MSG_WARNING, "PIN validation failed");
1001 if (scard_get_imsi(scard, imsi, &len))
1003 wpa_hexdump_ascii(MSG_DEBUG, "SCARD: IMSI", (u8 *) imsi, len);
1004 /* NOTE: Permanent Username: 1 | IMSI */
1006 wpa_printf(MSG_DEBUG, "SCARD: MNC length %d",
1007 scard_get_mnc_len(scard));
1009 os_memset(_rand, 0, sizeof(_rand));
1010 if (scard_gsm_auth(scard, _rand, sres, kc))
1013 os_memset(_rand, 0xff, sizeof(_rand));
1014 if (scard_gsm_auth(scard, _rand, sres, kc))
1017 for (i = 0; i < num_triplets; i++) {
1018 os_memset(rand_[i], i, sizeof(rand_[i]));
1019 if (scard_gsm_auth(scard, rand_[i], sres_[i], kc_[i]))
1023 for (i = 0; i < num_triplets; i++) {
1025 for (j = 0; j < len; j++)
1026 printf("%c", imsi[j]);
1028 for (j = 0; j < 16; j++)
1029 printf("%02X", rand_[i][j]);
1031 for (j = 0; j < 4; j++)
1032 printf("%02X", sres_[i][j]);
1034 for (j = 0; j < 8; j++)
1035 printf("%02X", kc_[i][j]);
1039 wpa_printf(MSG_DEBUG, "Trying to use UMTS authentication");
1042 os_memset(aka_rand, 0xaa, 16);
1043 os_memcpy(aka_autn, "\x86\x71\x31\xcb\xa2\xfc\x61\xdf"
1044 "\xa3\xb3\x97\x9d\x07\x32\xa2\x12", 16);
1046 res = scard_umts_auth(scard, aka_rand, aka_autn, aka_res, &aka_res_len,
1047 aka_ik, aka_ck, aka_auts);
1049 wpa_printf(MSG_DEBUG, "UMTS auth completed successfully");
1050 wpa_hexdump(MSG_DEBUG, "RES", aka_res, aka_res_len);
1051 wpa_hexdump(MSG_DEBUG, "IK", aka_ik, IK_LEN);
1052 wpa_hexdump(MSG_DEBUG, "CK", aka_ck, CK_LEN);
1053 } else if (res == -2) {
1054 wpa_printf(MSG_DEBUG, "UMTS auth resulted in synchronization "
1056 wpa_hexdump(MSG_DEBUG, "AUTS", aka_auts, AKA_AUTS_LEN);
1058 wpa_printf(MSG_DEBUG, "UMTS auth failed");
1062 scard_deinit(scard);
1069 static int scard_get_triplets(struct eapol_test_data *e, int argc, char *argv[])
1071 struct scard_data *scard;
1074 unsigned char _rand[16];
1075 unsigned char sres[4];
1076 unsigned char kc[8];
1081 if (argc < 2 || ((num_triplets = atoi(argv[1])) <= 0)) {
1082 printf("invalid parameters for sim command\n");
1086 if (argc <= 2 || os_strcmp(argv[2], "debug") != 0) {
1087 /* disable debug output */
1088 wpa_debug_level = 99;
1091 scard = scard_init(e->pcsc_reader);
1092 if (scard == NULL) {
1093 printf("Failed to open smartcard connection\n");
1096 if (scard_set_pin(scard, argv[0])) {
1097 wpa_printf(MSG_WARNING, "PIN validation failed");
1098 scard_deinit(scard);
1103 if (scard_get_imsi(scard, imsi, &len)) {
1104 scard_deinit(scard);
1108 for (i = 0; i < num_triplets; i++) {
1109 os_memset(_rand, i, sizeof(_rand));
1110 if (scard_gsm_auth(scard, _rand, sres, kc))
1113 /* IMSI:Kc:SRES:RAND */
1114 for (j = 0; j < len; j++)
1115 printf("%c", imsi[j]);
1117 for (j = 0; j < 8; j++)
1118 printf("%02X", kc[j]);
1120 for (j = 0; j < 4; j++)
1121 printf("%02X", sres[j]);
1123 for (j = 0; j < 16; j++)
1124 printf("%02X", _rand[j]);
1128 scard_deinit(scard);
1134 static void eapol_test_terminate(int sig, void *signal_ctx)
1136 struct wpa_supplicant *wpa_s = signal_ctx;
1137 wpa_msg(wpa_s, MSG_INFO, "Signal %d received - terminating", sig);
1142 static void usage(void)
1145 "eapol_test [-enWS] -c<conf> [-a<AS IP>] [-p<AS port>] "
1146 "[-s<AS secret>]\\\n"
1147 " [-r<count>] [-t<timeout>] [-C<Connect-Info>] \\\n"
1148 " [-M<client MAC address>] [-o<server cert file] \\\n"
1149 " [-N<attr spec>] [-R<PC/SC reader>] "
1150 "[-P<PC/SC PIN>] \\\n"
1151 " [-A<client IP>]\n"
1152 "eapol_test scard\n"
1153 "eapol_test sim <PIN> <num triplets> [debug]\n"
1156 " -c<conf> = configuration file\n"
1157 " -a<AS IP> = IP address of the authentication server, "
1158 "default 127.0.0.1\n"
1159 " -p<AS port> = UDP port of the authentication server, "
1161 " -s<AS secret> = shared secret with the authentication "
1162 "server, default 'radius'\n"
1163 " -A<client IP> = IP address of the client, default: select "
1165 " -r<count> = number of re-authentications\n"
1166 " -e = Request EAP-Key-Name\n"
1167 " -W = wait for a control interface monitor before starting\n"
1168 " -S = save configuration after authentication\n"
1169 " -n = no MPPE keys expected\n"
1170 " -t<timeout> = sets timeout in seconds (default: 30 s)\n"
1171 " -C<Connect-Info> = RADIUS Connect-Info (default: "
1172 "CONNECT 11Mbps 802.11b)\n"
1173 " -M<client MAC address> = Set own MAC address "
1174 "(Calling-Station-Id,\n"
1175 " default: 02:00:00:00:00:01)\n"
1176 " -o<server cert file> = Write received server certificate\n"
1177 " chain to the specified file\n"
1178 " -N<attr spec> = send arbitrary attribute specified by:\n"
1179 " attr_id:syntax:value or attr_id\n"
1180 " attr_id - number id of the attribute\n"
1181 " syntax - one of: s, d, x\n"
1184 " x = octet string\n"
1185 " value - attribute value.\n"
1186 " When only attr_id is specified, NULL will be used as "
1188 " Multiple attributes can be specified by using the "
1189 "option several times.\n");
1193 int main(int argc, char *argv[])
1195 struct wpa_global global;
1196 struct wpa_supplicant wpa_s;
1197 int c, ret = 1, wait_for_monitor = 0, save_config = 0;
1198 char *as_addr = "127.0.0.1";
1200 char *as_secret = "radius";
1201 char *cli_addr = NULL;
1205 struct extra_radius_attr *p = NULL, *p1;
1207 if (os_program_init())
1210 hostapd_logger_register_cb(hostapd_logger_cb);
1212 os_memset(&eapol_test, 0, sizeof(eapol_test));
1213 eapol_test.connect_info = "CONNECT 11Mbps 802.11b";
1214 os_memcpy(eapol_test.own_addr, "\x02\x00\x00\x00\x00\x01", ETH_ALEN);
1215 eapol_test.pcsc_pin = "1234";
1217 wpa_debug_level = 0;
1218 wpa_debug_show_keys = 1;
1221 c = getopt(argc, argv, "a:A:c:C:eM:nN:o:p:P:r:R:s:St:W");
1235 eapol_test.connect_info = optarg;
1238 eapol_test.req_eap_key_name = 1;
1241 if (hwaddr_aton(optarg, eapol_test.own_addr)) {
1247 eapol_test.no_mppe_keys++;
1250 if (eapol_test.server_cert_file)
1251 fclose(eapol_test.server_cert_file);
1252 eapol_test.server_cert_file = fopen(optarg, "w");
1253 if (eapol_test.server_cert_file == NULL) {
1254 printf("Could not open '%s' for writing\n",
1260 as_port = atoi(optarg);
1263 eapol_test.pcsc_pin = optarg;
1266 eapol_test.eapol_test_num_reauths = atoi(optarg);
1269 eapol_test.pcsc_reader = optarg;
1277 timeout = atoi(optarg);
1283 p1 = os_zalloc(sizeof(*p1));
1287 eapol_test.extra_attrs = p1;
1292 p->type = atoi(optarg);
1293 pos = os_strchr(optarg, ':');
1301 if (pos[0] == '\0' || pos[1] != ':') {
1302 printf("Incorrect format of attribute "
1316 if (argc > optind && os_strcmp(argv[optind], "scard") == 0) {
1317 return scard_test(&eapol_test);
1320 if (argc > optind && os_strcmp(argv[optind], "sim") == 0) {
1321 return scard_get_triplets(&eapol_test, argc - optind - 1,
1327 printf("Configuration file is required.\n");
1331 if (eap_register_methods()) {
1332 wpa_printf(MSG_ERROR, "Failed to register EAP methods");
1337 wpa_printf(MSG_ERROR, "Failed to initialize event loop");
1341 os_memset(&global, 0, sizeof(global));
1342 os_memset(&wpa_s, 0, sizeof(wpa_s));
1343 wpa_s.global = &global;
1344 eapol_test.wpa_s = &wpa_s;
1345 dl_list_init(&wpa_s.bss);
1346 dl_list_init(&wpa_s.bss_id);
1347 wpa_s.conf = wpa_config_read(conf, NULL);
1348 if (wpa_s.conf == NULL) {
1349 printf("Failed to parse configuration file '%s'.\n", conf);
1352 if (wpa_s.conf->ssid == NULL) {
1353 printf("No networks defined.\n");
1357 if (eapol_test.pcsc_reader) {
1358 os_free(wpa_s.conf->pcsc_reader);
1359 wpa_s.conf->pcsc_reader = os_strdup(eapol_test.pcsc_reader);
1362 wpa_init_conf(&eapol_test, &wpa_s, as_addr, as_port, as_secret,
1364 wpa_s.ctrl_iface = wpa_supplicant_ctrl_iface_init(&wpa_s);
1365 if (wpa_s.ctrl_iface == NULL) {
1366 printf("Failed to initialize control interface '%s'.\n"
1367 "You may have another eapol_test process already "
1368 "running or the file was\n"
1369 "left by an unclean termination of eapol_test in "
1370 "which case you will need\n"
1371 "to manually remove this file before starting "
1372 "eapol_test again.\n",
1373 wpa_s.conf->ctrl_interface);
1376 if (wpa_supplicant_scard_init(&wpa_s, wpa_s.conf->ssid))
1379 if (test_eapol(&eapol_test, &wpa_s, wpa_s.conf->ssid))
1382 if (wpas_init_ext_pw(&wpa_s) < 0)
1385 if (wait_for_monitor)
1386 wpa_supplicant_ctrl_iface_wait(wpa_s.ctrl_iface);
1388 eloop_register_timeout(timeout, 0, eapol_test_timeout, &eapol_test,
1390 eloop_register_timeout(0, 0, send_eap_request_identity, &wpa_s, NULL);
1391 eloop_register_signal_terminate(eapol_test_terminate, &wpa_s);
1392 eloop_register_signal_reconfig(eapol_test_terminate, &wpa_s);
1395 eloop_cancel_timeout(eapol_test_timeout, &eapol_test, NULL);
1396 eloop_cancel_timeout(eapol_sm_reauth, &eapol_test, NULL);
1398 if (eapol_test_compare_pmk(&eapol_test) == 0 ||
1399 eapol_test.no_mppe_keys)
1401 if (eapol_test.auth_timed_out)
1403 if (eapol_test.radius_access_reject_received)
1407 wpa_config_write(conf, wpa_s.conf);
1409 test_eapol_clean(&eapol_test, &wpa_s);
1411 eap_peer_unregister_methods();
1413 eap_server_unregister_methods();
1414 #endif /* CONFIG_AP */
1418 if (eapol_test.server_cert_file)
1419 fclose(eapol_test.server_cert_file);
1421 printf("MPPE keys OK: %d mismatch: %d\n",
1422 eapol_test.num_mppe_ok, eapol_test.num_mppe_mismatch);
1423 if (eapol_test.num_mppe_mismatch)
1426 printf("FAILURE\n");
1428 printf("SUCCESS\n");
1430 os_program_deinit();