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 extern int wpa_debug_level;
34 extern int wpa_debug_show_keys;
36 struct wpa_driver_ops *wpa_drivers[] = { NULL };
39 struct extra_radius_attr {
43 struct extra_radius_attr *next;
46 struct eapol_test_data {
47 struct wpa_supplicant *wpa_s;
49 int eapol_test_num_reauths;
51 int num_mppe_ok, num_mppe_mismatch;
54 struct radius_msg *last_recv_radius;
55 struct in_addr own_ip_addr;
56 struct radius_client_data *radius;
57 struct hostapd_radius_servers *radius_conf;
59 /* last received EAP Response from Authentication Server */
60 struct wpabuf *last_eap_radius;
62 u8 authenticator_pmk[PMK_LEN];
63 size_t authenticator_pmk_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;
78 static struct eapol_test_data eapol_test;
81 static void send_eap_request_identity(void *eloop_ctx, void *timeout_ctx);
84 static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module,
85 int level, const char *txt, size_t len)
88 wpa_printf(MSG_DEBUG, "STA " MACSTR ": %s\n",
91 wpa_printf(MSG_DEBUG, "%s", txt);
95 static int add_extra_attr(struct radius_msg *msg,
96 struct extra_radius_attr *attr)
101 char buf[RADIUS_MAX_ATTR_LEN + 1];
103 switch (attr->syntax) {
105 os_snprintf(buf, sizeof(buf), "%s", attr->data);
106 len = os_strlen(buf);
114 if (pos[0] == '0' && pos[1] == 'x')
116 len = os_strlen(pos);
117 if ((len & 1) || (len / 2) > RADIUS_MAX_ATTR_LEN) {
118 printf("Invalid extra attribute hexstring\n");
122 if (hexstr2bin(pos, (u8 *) buf, len) < 0) {
123 printf("Invalid extra attribute hexstring\n");
128 val = htonl(atoi(attr->data));
129 os_memcpy(buf, &val, 4);
133 printf("Incorrect extra attribute syntax specification\n");
137 if (!radius_msg_add_attr(msg, attr->type, (u8 *) buf, len)) {
138 printf("Could not add attribute %d\n", attr->type);
146 static int add_extra_attrs(struct radius_msg *msg,
147 struct extra_radius_attr *attrs)
149 struct extra_radius_attr *p;
150 for (p = attrs; p; p = p->next) {
151 if (add_extra_attr(msg, p) < 0)
158 static struct extra_radius_attr *
159 find_extra_attr(struct extra_radius_attr *attrs, u8 type)
161 struct extra_radius_attr *p;
162 for (p = attrs; p; p = p->next) {
170 static void ieee802_1x_encapsulate_radius(struct eapol_test_data *e,
171 const u8 *eap, size_t len)
173 struct radius_msg *msg;
174 char buf[RADIUS_MAX_ATTR_LEN + 1];
175 const struct eap_hdr *hdr;
178 wpa_printf(MSG_DEBUG, "Encapsulating EAP message into a RADIUS "
181 e->radius_identifier = radius_client_get_id(e->radius);
182 msg = radius_msg_new(RADIUS_CODE_ACCESS_REQUEST,
183 e->radius_identifier);
185 printf("Could not create net RADIUS packet\n");
189 radius_msg_make_authenticator(msg, (u8 *) e, sizeof(*e));
191 hdr = (const struct eap_hdr *) eap;
192 pos = (const u8 *) (hdr + 1);
193 if (len > sizeof(*hdr) && hdr->code == EAP_CODE_RESPONSE &&
194 pos[0] == EAP_TYPE_IDENTITY) {
196 os_free(e->eap_identity);
197 e->eap_identity_len = len - sizeof(*hdr) - 1;
198 e->eap_identity = os_malloc(e->eap_identity_len);
199 if (e->eap_identity) {
200 os_memcpy(e->eap_identity, pos, e->eap_identity_len);
201 wpa_hexdump(MSG_DEBUG, "Learned identity from "
202 "EAP-Response-Identity",
203 e->eap_identity, e->eap_identity_len);
207 if (e->eap_identity &&
208 !radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME,
209 e->eap_identity, e->eap_identity_len)) {
210 printf("Could not add User-Name\n");
214 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_NAS_IP_ADDRESS) &&
215 !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
216 (u8 *) &e->own_ip_addr, 4)) {
217 printf("Could not add NAS-IP-Address\n");
221 os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT,
222 MAC2STR(e->wpa_s->own_addr));
223 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_CALLING_STATION_ID)
225 !radius_msg_add_attr(msg, RADIUS_ATTR_CALLING_STATION_ID,
226 (u8 *) buf, os_strlen(buf))) {
227 printf("Could not add Calling-Station-Id\n");
231 /* TODO: should probably check MTU from driver config; 2304 is max for
232 * IEEE 802.11, but use 1400 to avoid problems with too large packets
234 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_FRAMED_MTU) &&
235 !radius_msg_add_attr_int32(msg, RADIUS_ATTR_FRAMED_MTU, 1400)) {
236 printf("Could not add Framed-MTU\n");
240 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_NAS_PORT_TYPE) &&
241 !radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT_TYPE,
242 RADIUS_NAS_PORT_TYPE_IEEE_802_11)) {
243 printf("Could not add NAS-Port-Type\n");
247 os_snprintf(buf, sizeof(buf), "%s", e->connect_info);
248 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_CONNECT_INFO) &&
249 !radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
250 (u8 *) buf, os_strlen(buf))) {
251 printf("Could not add Connect-Info\n");
255 if (add_extra_attrs(msg, e->extra_attrs) < 0)
258 if (eap && !radius_msg_add_eap(msg, eap, len)) {
259 printf("Could not add EAP-Message\n");
263 /* State attribute must be copied if and only if this packet is
264 * Access-Request reply to the previous Access-Challenge */
265 if (e->last_recv_radius &&
266 radius_msg_get_hdr(e->last_recv_radius)->code ==
267 RADIUS_CODE_ACCESS_CHALLENGE) {
268 int res = radius_msg_copy_attr(msg, e->last_recv_radius,
271 printf("Could not copy State attribute from previous "
272 "Access-Challenge\n");
276 wpa_printf(MSG_DEBUG, " Copied RADIUS State "
281 if (radius_client_send(e->radius, msg, RADIUS_AUTH, e->wpa_s->own_addr)
287 radius_msg_free(msg);
291 static int eapol_test_eapol_send(void *ctx, int type, const u8 *buf,
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);
304 static void eapol_test_set_config_blob(void *ctx,
305 struct wpa_config_blob *blob)
307 struct eapol_test_data *e = ctx;
308 wpa_config_set_blob(e->wpa_s->conf, blob);
312 static const struct wpa_config_blob *
313 eapol_test_get_config_blob(void *ctx, const char *name)
315 struct eapol_test_data *e = ctx;
316 return wpa_config_get_blob(e->wpa_s->conf, name);
320 static void eapol_test_eapol_done_cb(void *ctx)
322 printf("WPA: EAPOL processing complete\n");
326 static void eapol_sm_reauth(void *eloop_ctx, void *timeout_ctx)
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);
335 static int eapol_test_compare_pmk(struct eapol_test_data *e)
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)
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)
357 } else if (e->radius_access_accept_received && e->no_mppe_keys) {
358 /* No keying material expected */
362 if (ret && !e->no_mppe_keys)
363 e->num_mppe_mismatch++;
364 else if (!e->no_mppe_keys)
371 static void eapol_sm_cb(struct eapol_sm *eapol, int success, void *ctx)
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)
379 eapol_test_compare_pmk(e);
380 eloop_register_timeout(0, 100000, eapol_sm_reauth, e, NULL);
385 static void eapol_test_write_cert(FILE *f, const char *subject,
386 const struct wpabuf *cert)
388 unsigned char *encoded;
390 encoded = base64_encode(wpabuf_head(cert), wpabuf_len(cert), NULL);
393 fprintf(f, "%s\n-----BEGIN CERTIFICATE-----\n%s"
394 "-----END CERTIFICATE-----\n\n", subject, encoded);
399 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
400 static void eapol_test_eap_param_needed(void *ctx, enum wpa_ctrl_req_type field,
401 const char *default_txt)
403 struct eapol_test_data *e = ctx;
404 struct wpa_supplicant *wpa_s = e->wpa_s;
405 struct wpa_ssid *ssid = wpa_s->current_ssid;
406 const char *field_name, *txt = NULL;
414 field_name = wpa_supplicant_ctrl_req_to_string(field, default_txt,
416 if (field_name == NULL) {
417 wpa_printf(MSG_WARNING, "Unhandled EAP param %d needed",
422 buflen = 100 + os_strlen(txt) + ssid->ssid_len;
423 buf = os_malloc(buflen);
426 len = os_snprintf(buf, buflen,
427 WPA_CTRL_REQ "%s-%d:%s needed for SSID ",
428 field_name, ssid->id, txt);
429 if (len < 0 || (size_t) len >= buflen) {
433 if (ssid->ssid && buflen > len + ssid->ssid_len) {
434 os_memcpy(buf + len, ssid->ssid, ssid->ssid_len);
435 len += ssid->ssid_len;
438 buf[buflen - 1] = '\0';
439 wpa_msg(wpa_s, MSG_INFO, "%s", buf);
442 #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
443 #define eapol_test_eap_param_needed NULL
444 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
447 static void eapol_test_cert_cb(void *ctx, int depth, const char *subject,
448 const char *cert_hash,
449 const struct wpabuf *cert)
451 struct eapol_test_data *e = ctx;
453 wpa_msg(e->wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_CERT
454 "depth=%d subject='%s'%s%s",
456 cert_hash ? " hash=" : "",
457 cert_hash ? cert_hash : "");
461 size_t len = wpabuf_len(cert) * 2 + 1;
462 cert_hex = os_malloc(len);
464 wpa_snprintf_hex(cert_hex, len, wpabuf_head(cert),
466 wpa_msg_ctrl(e->wpa_s, MSG_INFO,
467 WPA_EVENT_EAP_PEER_CERT
468 "depth=%d subject='%s' cert=%s",
469 depth, subject, cert_hex);
473 if (e->server_cert_file)
474 eapol_test_write_cert(e->server_cert_file,
480 static void eapol_test_set_anon_id(void *ctx, const u8 *id, size_t len)
482 struct eapol_test_data *e = ctx;
483 struct wpa_supplicant *wpa_s = e->wpa_s;
487 wpa_hexdump_ascii(MSG_DEBUG, "EAP method updated anonymous_identity",
490 if (wpa_s->current_ssid == NULL)
494 if (wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
498 str = os_malloc(len * 2 + 1);
501 wpa_snprintf_hex(str, len * 2 + 1, id, len);
502 res = wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
511 static int test_eapol(struct eapol_test_data *e, struct wpa_supplicant *wpa_s,
512 struct wpa_ssid *ssid)
514 struct eapol_config eapol_conf;
515 struct eapol_ctx *ctx;
517 ctx = os_zalloc(sizeof(*ctx));
519 printf("Failed to allocate EAPOL context.\n");
523 ctx->msg_ctx = wpa_s;
524 ctx->scard_ctx = wpa_s->scard;
525 ctx->cb = eapol_sm_cb;
527 ctx->eapol_send_ctx = wpa_s;
529 ctx->eapol_done_cb = eapol_test_eapol_done_cb;
530 ctx->eapol_send = eapol_test_eapol_send;
531 ctx->set_config_blob = eapol_test_set_config_blob;
532 ctx->get_config_blob = eapol_test_get_config_blob;
533 ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
534 ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
535 ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
536 ctx->eap_param_needed = eapol_test_eap_param_needed;
537 ctx->cert_cb = eapol_test_cert_cb;
539 ctx->set_anon_id = eapol_test_set_anon_id;
541 wpa_s->eapol = eapol_sm_init(ctx);
542 if (wpa_s->eapol == NULL) {
544 printf("Failed to initialize EAPOL state machines.\n");
548 wpa_s->current_ssid = ssid;
549 os_memset(&eapol_conf, 0, sizeof(eapol_conf));
550 eapol_conf.accept_802_1x_keys = 1;
551 eapol_conf.required_keys = 0;
552 eapol_conf.fast_reauth = wpa_s->conf->fast_reauth;
553 eapol_conf.workaround = ssid->eap_workaround;
554 eapol_sm_notify_config(wpa_s->eapol, &ssid->eap, &eapol_conf);
555 eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
558 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
559 /* 802.1X::portControl = Auto */
560 eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
566 static void test_eapol_clean(struct eapol_test_data *e,
567 struct wpa_supplicant *wpa_s)
569 struct extra_radius_attr *p, *prev;
571 radius_client_deinit(e->radius);
572 wpabuf_free(e->last_eap_radius);
573 radius_msg_free(e->last_recv_radius);
574 e->last_recv_radius = NULL;
575 os_free(e->eap_identity);
576 e->eap_identity = NULL;
577 eapol_sm_deinit(wpa_s->eapol);
579 if (e->radius_conf && e->radius_conf->auth_server) {
580 os_free(e->radius_conf->auth_server->shared_secret);
581 os_free(e->radius_conf->auth_server);
583 os_free(e->radius_conf);
584 e->radius_conf = NULL;
585 scard_deinit(wpa_s->scard);
586 if (wpa_s->ctrl_iface) {
587 wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface);
588 wpa_s->ctrl_iface = NULL;
591 ext_password_deinit(wpa_s->ext_pw);
592 wpa_s->ext_pw = NULL;
594 wpa_config_free(wpa_s->conf);
605 static void send_eap_request_identity(void *eloop_ctx, void *timeout_ctx)
607 struct wpa_supplicant *wpa_s = eloop_ctx;
609 struct ieee802_1x_hdr *hdr;
612 hdr = (struct ieee802_1x_hdr *) buf;
613 hdr->version = EAPOL_VERSION;
614 hdr->type = IEEE802_1X_TYPE_EAP_PACKET;
615 hdr->length = htons(5);
617 eap = (struct eap_hdr *) (hdr + 1);
618 eap->code = EAP_CODE_REQUEST;
620 eap->length = htons(5);
621 pos = (u8 *) (eap + 1);
622 *pos = EAP_TYPE_IDENTITY;
624 printf("Sending fake EAP-Request-Identity\n");
625 eapol_sm_rx_eapol(wpa_s->eapol, wpa_s->bssid, buf,
630 static void eapol_test_timeout(void *eloop_ctx, void *timeout_ctx)
632 struct eapol_test_data *e = eloop_ctx;
633 printf("EAPOL test timed out\n");
634 e->auth_timed_out = 1;
639 static char *eap_type_text(u8 type)
642 case EAP_TYPE_IDENTITY: return "Identity";
643 case EAP_TYPE_NOTIFICATION: return "Notification";
644 case EAP_TYPE_NAK: return "Nak";
645 case EAP_TYPE_TLS: return "TLS";
646 case EAP_TYPE_TTLS: return "TTLS";
647 case EAP_TYPE_PEAP: return "PEAP";
648 case EAP_TYPE_SIM: return "SIM";
649 case EAP_TYPE_GTC: return "GTC";
650 case EAP_TYPE_MD5: return "MD5";
651 case EAP_TYPE_OTP: return "OTP";
652 case EAP_TYPE_FAST: return "FAST";
653 case EAP_TYPE_SAKE: return "SAKE";
654 case EAP_TYPE_PSK: return "PSK";
655 default: return "Unknown";
660 static void ieee802_1x_decapsulate_radius(struct eapol_test_data *e)
663 const struct eap_hdr *hdr;
666 struct radius_msg *msg;
668 if (e->last_recv_radius == NULL)
671 msg = e->last_recv_radius;
673 eap = radius_msg_get_eap(msg);
675 /* draft-aboba-radius-rfc2869bis-20.txt, Chap. 2.6.3:
676 * RADIUS server SHOULD NOT send Access-Reject/no EAP-Message
678 wpa_printf(MSG_DEBUG, "could not extract "
679 "EAP-Message from RADIUS message");
680 wpabuf_free(e->last_eap_radius);
681 e->last_eap_radius = NULL;
685 if (wpabuf_len(eap) < sizeof(*hdr)) {
686 wpa_printf(MSG_DEBUG, "too short EAP packet "
687 "received from authentication server");
692 if (wpabuf_len(eap) > sizeof(*hdr))
693 eap_type = (wpabuf_head_u8(eap))[sizeof(*hdr)];
695 hdr = wpabuf_head(eap);
697 case EAP_CODE_REQUEST:
698 os_snprintf(buf, sizeof(buf), "EAP-Request-%s (%d)",
699 eap_type >= 0 ? eap_type_text(eap_type) : "??",
702 case EAP_CODE_RESPONSE:
703 os_snprintf(buf, sizeof(buf), "EAP Response-%s (%d)",
704 eap_type >= 0 ? eap_type_text(eap_type) : "??",
707 case EAP_CODE_SUCCESS:
708 os_strlcpy(buf, "EAP Success", sizeof(buf));
709 /* LEAP uses EAP Success within an authentication, so must not
710 * stop here with eloop_terminate(); */
712 case EAP_CODE_FAILURE:
713 os_strlcpy(buf, "EAP Failure", sizeof(buf));
717 os_strlcpy(buf, "unknown EAP code", sizeof(buf));
718 wpa_hexdump_buf(MSG_DEBUG, "Decapsulated EAP packet", eap);
721 wpa_printf(MSG_DEBUG, "decapsulated EAP packet (code=%d "
722 "id=%d len=%d) from RADIUS server: %s",
723 hdr->code, hdr->identifier, ntohs(hdr->length), buf);
725 /* sta->eapol_sm->be_auth.idFromServer = hdr->identifier; */
727 wpabuf_free(e->last_eap_radius);
728 e->last_eap_radius = eap;
731 struct ieee802_1x_hdr *dot1x;
732 dot1x = os_malloc(sizeof(*dot1x) + wpabuf_len(eap));
733 assert(dot1x != NULL);
734 dot1x->version = EAPOL_VERSION;
735 dot1x->type = IEEE802_1X_TYPE_EAP_PACKET;
736 dot1x->length = htons(wpabuf_len(eap));
737 os_memcpy((u8 *) (dot1x + 1), wpabuf_head(eap),
739 eapol_sm_rx_eapol(e->wpa_s->eapol, e->wpa_s->bssid,
741 sizeof(*dot1x) + wpabuf_len(eap));
747 static void ieee802_1x_get_keys(struct eapol_test_data *e,
748 struct radius_msg *msg, struct radius_msg *req,
749 const u8 *shared_secret,
750 size_t shared_secret_len)
752 struct radius_ms_mppe_keys *keys;
754 keys = radius_msg_get_ms_keys(msg, req, shared_secret,
756 if (keys && keys->send == NULL && keys->recv == NULL) {
758 keys = radius_msg_get_cisco_keys(msg, req, shared_secret,
764 wpa_hexdump(MSG_DEBUG, "MS-MPPE-Send-Key (sign)",
765 keys->send, keys->send_len);
768 wpa_hexdump(MSG_DEBUG, "MS-MPPE-Recv-Key (crypt)",
769 keys->recv, keys->recv_len);
770 e->authenticator_pmk_len =
771 keys->recv_len > PMK_LEN ? PMK_LEN :
773 os_memcpy(e->authenticator_pmk, keys->recv,
774 e->authenticator_pmk_len);
775 if (e->authenticator_pmk_len == 16 && keys->send &&
776 keys->send_len == 16) {
777 /* MS-CHAP-v2 derives 16 octet keys */
778 wpa_printf(MSG_DEBUG, "Use MS-MPPE-Send-Key "
779 "to extend PMK to 32 octets");
780 os_memcpy(e->authenticator_pmk +
781 e->authenticator_pmk_len,
782 keys->send, keys->send_len);
783 e->authenticator_pmk_len += keys->send_len;
794 /* Process the RADIUS frames from Authentication Server */
795 static RadiusRxResult
796 ieee802_1x_receive_auth(struct radius_msg *msg, struct radius_msg *req,
797 const u8 *shared_secret, size_t shared_secret_len,
800 struct eapol_test_data *e = data;
801 struct radius_hdr *hdr = radius_msg_get_hdr(msg);
803 /* RFC 2869, Ch. 5.13: valid Message-Authenticator attribute MUST be
804 * present when packet contains an EAP-Message attribute */
805 if (hdr->code == RADIUS_CODE_ACCESS_REJECT &&
806 radius_msg_get_attr(msg, RADIUS_ATTR_MESSAGE_AUTHENTICATOR, NULL,
808 radius_msg_get_attr(msg, RADIUS_ATTR_EAP_MESSAGE, NULL, 0) < 0) {
809 wpa_printf(MSG_DEBUG, "Allowing RADIUS "
810 "Access-Reject without Message-Authenticator "
811 "since it does not include EAP-Message\n");
812 } else if (radius_msg_verify(msg, shared_secret, shared_secret_len,
814 printf("Incoming RADIUS packet did not have correct "
815 "Message-Authenticator - dropped\n");
816 return RADIUS_RX_UNKNOWN;
819 if (hdr->code != RADIUS_CODE_ACCESS_ACCEPT &&
820 hdr->code != RADIUS_CODE_ACCESS_REJECT &&
821 hdr->code != RADIUS_CODE_ACCESS_CHALLENGE) {
822 printf("Unknown RADIUS message code\n");
823 return RADIUS_RX_UNKNOWN;
826 e->radius_identifier = -1;
827 wpa_printf(MSG_DEBUG, "RADIUS packet matching with station");
829 radius_msg_free(e->last_recv_radius);
830 e->last_recv_radius = msg;
833 case RADIUS_CODE_ACCESS_ACCEPT:
834 e->radius_access_accept_received = 1;
835 ieee802_1x_get_keys(e, msg, req, shared_secret,
838 case RADIUS_CODE_ACCESS_REJECT:
839 e->radius_access_reject_received = 1;
843 ieee802_1x_decapsulate_radius(e);
845 if ((hdr->code == RADIUS_CODE_ACCESS_ACCEPT &&
846 e->eapol_test_num_reauths < 0) ||
847 hdr->code == RADIUS_CODE_ACCESS_REJECT) {
851 return RADIUS_RX_QUEUED;
855 static void wpa_init_conf(struct eapol_test_data *e,
856 struct wpa_supplicant *wpa_s, const char *authsrv,
857 int port, const char *secret,
858 const char *cli_addr)
860 struct hostapd_radius_server *as;
864 os_memcpy(wpa_s->own_addr, e->own_addr, ETH_ALEN);
865 e->own_ip_addr.s_addr = htonl((127 << 24) | 1);
866 os_strlcpy(wpa_s->ifname, "test", sizeof(wpa_s->ifname));
868 e->radius_conf = os_zalloc(sizeof(struct hostapd_radius_servers));
869 assert(e->radius_conf != NULL);
870 e->radius_conf->num_auth_servers = 1;
871 as = os_zalloc(sizeof(struct hostapd_radius_server));
873 #if defined(CONFIG_NATIVE_WINDOWS) || defined(CONFIG_ANSI_C_EXTRA)
877 sscanf(authsrv, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3]);
878 pos = (u8 *) &as->addr.u.v4;
884 #else /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
885 inet_aton(authsrv, &as->addr.u.v4);
886 #endif /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
887 as->addr.af = AF_INET;
889 as->shared_secret = (u8 *) os_strdup(secret);
890 as->shared_secret_len = os_strlen(secret);
891 e->radius_conf->auth_server = as;
892 e->radius_conf->auth_servers = as;
893 e->radius_conf->msg_dumps = 1;
895 if (hostapd_parse_ip_addr(cli_addr,
896 &e->radius_conf->client_addr) == 0)
897 e->radius_conf->force_client_addr = 1;
899 wpa_printf(MSG_ERROR, "Invalid IP address '%s'",
905 e->radius = radius_client_init(wpa_s, e->radius_conf);
906 assert(e->radius != NULL);
908 res = radius_client_register(e->radius, RADIUS_AUTH,
909 ieee802_1x_receive_auth, e);
914 static int scard_test(void)
916 struct scard_data *scard;
919 unsigned char _rand[16];
921 unsigned char sres[4];
923 #endif /* PCSC_FUNCS */
924 #define num_triplets 5
925 unsigned char rand_[num_triplets][16];
926 unsigned char sres_[num_triplets][4];
927 unsigned char kc_[num_triplets][8];
931 #define AKA_RAND_LEN 16
932 #define AKA_AUTN_LEN 16
933 #define AKA_AUTS_LEN 14
934 #define RES_MAX_LEN 16
937 unsigned char aka_rand[AKA_RAND_LEN];
938 unsigned char aka_autn[AKA_AUTN_LEN];
939 unsigned char aka_auts[AKA_AUTS_LEN];
940 unsigned char aka_res[RES_MAX_LEN];
942 unsigned char aka_ik[IK_LEN];
943 unsigned char aka_ck[CK_LEN];
945 scard = scard_init(SCARD_TRY_BOTH, NULL);
948 if (scard_set_pin(scard, "1234")) {
949 wpa_printf(MSG_WARNING, "PIN validation failed");
955 if (scard_get_imsi(scard, imsi, &len))
957 wpa_hexdump_ascii(MSG_DEBUG, "SCARD: IMSI", (u8 *) imsi, len);
958 /* NOTE: Permanent Username: 1 | IMSI */
960 wpa_printf(MSG_DEBUG, "SCARD: MNC length %d",
961 scard_get_mnc_len(scard));
963 os_memset(_rand, 0, sizeof(_rand));
964 if (scard_gsm_auth(scard, _rand, sres, kc))
967 os_memset(_rand, 0xff, sizeof(_rand));
968 if (scard_gsm_auth(scard, _rand, sres, kc))
971 for (i = 0; i < num_triplets; i++) {
972 os_memset(rand_[i], i, sizeof(rand_[i]));
973 if (scard_gsm_auth(scard, rand_[i], sres_[i], kc_[i]))
977 for (i = 0; i < num_triplets; i++) {
979 for (j = 0; j < len; j++)
980 printf("%c", imsi[j]);
982 for (j = 0; j < 16; j++)
983 printf("%02X", rand_[i][j]);
985 for (j = 0; j < 4; j++)
986 printf("%02X", sres_[i][j]);
988 for (j = 0; j < 8; j++)
989 printf("%02X", kc_[i][j]);
993 wpa_printf(MSG_DEBUG, "Trying to use UMTS authentication");
996 os_memset(aka_rand, 0xaa, 16);
997 os_memcpy(aka_autn, "\x86\x71\x31\xcb\xa2\xfc\x61\xdf"
998 "\xa3\xb3\x97\x9d\x07\x32\xa2\x12", 16);
1000 res = scard_umts_auth(scard, aka_rand, aka_autn, aka_res, &aka_res_len,
1001 aka_ik, aka_ck, aka_auts);
1003 wpa_printf(MSG_DEBUG, "UMTS auth completed successfully");
1004 wpa_hexdump(MSG_DEBUG, "RES", aka_res, aka_res_len);
1005 wpa_hexdump(MSG_DEBUG, "IK", aka_ik, IK_LEN);
1006 wpa_hexdump(MSG_DEBUG, "CK", aka_ck, CK_LEN);
1007 } else if (res == -2) {
1008 wpa_printf(MSG_DEBUG, "UMTS auth resulted in synchronization "
1010 wpa_hexdump(MSG_DEBUG, "AUTS", aka_auts, AKA_AUTS_LEN);
1012 wpa_printf(MSG_DEBUG, "UMTS auth failed");
1016 scard_deinit(scard);
1023 static int scard_get_triplets(int argc, char *argv[])
1025 struct scard_data *scard;
1028 unsigned char _rand[16];
1029 unsigned char sres[4];
1030 unsigned char kc[8];
1035 if (argc < 2 || ((num_triplets = atoi(argv[1])) <= 0)) {
1036 printf("invalid parameters for sim command\n");
1040 if (argc <= 2 || os_strcmp(argv[2], "debug") != 0) {
1041 /* disable debug output */
1042 wpa_debug_level = 99;
1045 scard = scard_init(SCARD_GSM_SIM_ONLY, NULL);
1046 if (scard == NULL) {
1047 printf("Failed to open smartcard connection\n");
1050 if (scard_set_pin(scard, argv[0])) {
1051 wpa_printf(MSG_WARNING, "PIN validation failed");
1052 scard_deinit(scard);
1057 if (scard_get_imsi(scard, imsi, &len)) {
1058 scard_deinit(scard);
1062 for (i = 0; i < num_triplets; i++) {
1063 os_memset(_rand, i, sizeof(_rand));
1064 if (scard_gsm_auth(scard, _rand, sres, kc))
1067 /* IMSI:Kc:SRES:RAND */
1068 for (j = 0; j < len; j++)
1069 printf("%c", imsi[j]);
1071 for (j = 0; j < 8; j++)
1072 printf("%02X", kc[j]);
1074 for (j = 0; j < 4; j++)
1075 printf("%02X", sres[j]);
1077 for (j = 0; j < 16; j++)
1078 printf("%02X", _rand[j]);
1082 scard_deinit(scard);
1088 static void eapol_test_terminate(int sig, void *signal_ctx)
1090 struct wpa_supplicant *wpa_s = signal_ctx;
1091 wpa_msg(wpa_s, MSG_INFO, "Signal %d received - terminating", sig);
1096 static void usage(void)
1099 "eapol_test [-nWS] -c<conf> [-a<AS IP>] [-p<AS port>] "
1100 "[-s<AS secret>]\\\n"
1101 " [-r<count>] [-t<timeout>] [-C<Connect-Info>] \\\n"
1102 " [-M<client MAC address>] [-o<server cert file] \\\n"
1103 " [-N<attr spec>] \\\n"
1104 " [-A<client IP>]\n"
1105 "eapol_test scard\n"
1106 "eapol_test sim <PIN> <num triplets> [debug]\n"
1109 " -c<conf> = configuration file\n"
1110 " -a<AS IP> = IP address of the authentication server, "
1111 "default 127.0.0.1\n"
1112 " -p<AS port> = UDP port of the authentication server, "
1114 " -s<AS secret> = shared secret with the authentication "
1115 "server, default 'radius'\n"
1116 " -A<client IP> = IP address of the client, default: select "
1118 " -r<count> = number of re-authentications\n"
1119 " -W = wait for a control interface monitor before starting\n"
1120 " -S = save configuration after authentication\n"
1121 " -n = no MPPE keys expected\n"
1122 " -t<timeout> = sets timeout in seconds (default: 30 s)\n"
1123 " -C<Connect-Info> = RADIUS Connect-Info (default: "
1124 "CONNECT 11Mbps 802.11b)\n"
1125 " -M<client MAC address> = Set own MAC address "
1126 "(Calling-Station-Id,\n"
1127 " default: 02:00:00:00:00:01)\n"
1128 " -o<server cert file> = Write received server certificate\n"
1129 " chain to the specified file\n"
1130 " -N<attr spec> = send arbitrary attribute specified by:\n"
1131 " attr_id:syntax:value or attr_id\n"
1132 " attr_id - number id of the attribute\n"
1133 " syntax - one of: s, d, x\n"
1136 " x = octet string\n"
1137 " value - attribute value.\n"
1138 " When only attr_id is specified, NULL will be used as "
1140 " Multiple attributes can be specified by using the "
1141 "option several times.\n");
1145 int main(int argc, char *argv[])
1147 struct wpa_global global;
1148 struct wpa_supplicant wpa_s;
1149 int c, ret = 1, wait_for_monitor = 0, save_config = 0;
1150 char *as_addr = "127.0.0.1";
1152 char *as_secret = "radius";
1153 char *cli_addr = NULL;
1157 struct extra_radius_attr *p = NULL, *p1;
1159 if (os_program_init())
1162 hostapd_logger_register_cb(hostapd_logger_cb);
1164 os_memset(&eapol_test, 0, sizeof(eapol_test));
1165 eapol_test.connect_info = "CONNECT 11Mbps 802.11b";
1166 os_memcpy(eapol_test.own_addr, "\x02\x00\x00\x00\x00\x01", ETH_ALEN);
1168 wpa_debug_level = 0;
1169 wpa_debug_show_keys = 1;
1172 c = getopt(argc, argv, "a:A:c:C:M:nN:o:p:r:s:St:W");
1186 eapol_test.connect_info = optarg;
1189 if (hwaddr_aton(optarg, eapol_test.own_addr)) {
1195 eapol_test.no_mppe_keys++;
1198 if (eapol_test.server_cert_file)
1199 fclose(eapol_test.server_cert_file);
1200 eapol_test.server_cert_file = fopen(optarg, "w");
1201 if (eapol_test.server_cert_file == NULL) {
1202 printf("Could not open '%s' for writing\n",
1208 as_port = atoi(optarg);
1211 eapol_test.eapol_test_num_reauths = atoi(optarg);
1220 timeout = atoi(optarg);
1226 p1 = os_zalloc(sizeof(*p1));
1230 eapol_test.extra_attrs = p1;
1235 p->type = atoi(optarg);
1236 pos = os_strchr(optarg, ':');
1244 if (pos[0] == '\0' || pos[1] != ':') {
1245 printf("Incorrect format of attribute "
1259 if (argc > optind && os_strcmp(argv[optind], "scard") == 0) {
1260 return scard_test();
1263 if (argc > optind && os_strcmp(argv[optind], "sim") == 0) {
1264 return scard_get_triplets(argc - optind - 1,
1270 printf("Configuration file is required.\n");
1274 if (eap_register_methods()) {
1275 wpa_printf(MSG_ERROR, "Failed to register EAP methods");
1280 wpa_printf(MSG_ERROR, "Failed to initialize event loop");
1284 os_memset(&global, 0, sizeof(global));
1285 os_memset(&wpa_s, 0, sizeof(wpa_s));
1286 wpa_s.global = &global;
1287 eapol_test.wpa_s = &wpa_s;
1288 dl_list_init(&wpa_s.bss);
1289 dl_list_init(&wpa_s.bss_id);
1290 wpa_s.conf = wpa_config_read(conf, NULL);
1291 if (wpa_s.conf == NULL) {
1292 printf("Failed to parse configuration file '%s'.\n", conf);
1295 if (wpa_s.conf->ssid == NULL) {
1296 printf("No networks defined.\n");
1300 wpa_init_conf(&eapol_test, &wpa_s, as_addr, as_port, as_secret,
1302 wpa_s.ctrl_iface = wpa_supplicant_ctrl_iface_init(&wpa_s);
1303 if (wpa_s.ctrl_iface == NULL) {
1304 printf("Failed to initialize control interface '%s'.\n"
1305 "You may have another eapol_test process already "
1306 "running or the file was\n"
1307 "left by an unclean termination of eapol_test in "
1308 "which case you will need\n"
1309 "to manually remove this file before starting "
1310 "eapol_test again.\n",
1311 wpa_s.conf->ctrl_interface);
1314 if (wpa_supplicant_scard_init(&wpa_s, wpa_s.conf->ssid))
1317 if (test_eapol(&eapol_test, &wpa_s, wpa_s.conf->ssid))
1320 if (wpas_init_ext_pw(&wpa_s) < 0)
1323 if (wait_for_monitor)
1324 wpa_supplicant_ctrl_iface_wait(wpa_s.ctrl_iface);
1326 eloop_register_timeout(timeout, 0, eapol_test_timeout, &eapol_test,
1328 eloop_register_timeout(0, 0, send_eap_request_identity, &wpa_s, NULL);
1329 eloop_register_signal_terminate(eapol_test_terminate, &wpa_s);
1330 eloop_register_signal_reconfig(eapol_test_terminate, &wpa_s);
1333 eloop_cancel_timeout(eapol_test_timeout, &eapol_test, NULL);
1334 eloop_cancel_timeout(eapol_sm_reauth, &eapol_test, NULL);
1336 if (eapol_test_compare_pmk(&eapol_test) == 0 ||
1337 eapol_test.no_mppe_keys)
1339 if (eapol_test.auth_timed_out)
1341 if (eapol_test.radius_access_reject_received)
1345 wpa_config_write(conf, wpa_s.conf);
1347 test_eapol_clean(&eapol_test, &wpa_s);
1349 eap_peer_unregister_methods();
1351 eap_server_unregister_methods();
1352 #endif /* CONFIG_AP */
1356 if (eapol_test.server_cert_file)
1357 fclose(eapol_test.server_cert_file);
1359 printf("MPPE keys OK: %d mismatch: %d\n",
1360 eapol_test.num_mppe_ok, eapol_test.num_mppe_mismatch);
1361 if (eapol_test.num_mppe_mismatch)
1364 printf("FAILURE\n");
1366 printf("SUCCESS\n");
1368 os_program_deinit();