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"
17 #include "common/version.h"
19 #include "eapol_supp/eapol_supp_sm.h"
20 #include "eap_peer/eap.h"
21 #include "eap_server/eap_methods.h"
23 #include "utils/base64.h"
24 #include "rsn_supp/wpa.h"
25 #include "wpa_supplicant_i.h"
26 #include "radius/radius.h"
27 #include "radius/radius_client.h"
28 #include "common/wpa_ctrl.h"
29 #include "ctrl_iface.h"
30 #include "pcsc_funcs.h"
31 #include "wpas_glue.h"
34 const struct wpa_driver_ops *const wpa_drivers[] = { NULL };
37 struct extra_radius_attr {
41 struct extra_radius_attr *next;
44 struct eapol_test_data {
45 struct wpa_supplicant *wpa_s;
47 int eapol_test_num_reauths;
49 int num_mppe_ok, num_mppe_mismatch;
53 struct radius_msg *last_recv_radius;
54 struct in_addr own_ip_addr;
55 struct radius_client_data *radius;
56 struct hostapd_radius_servers *radius_conf;
58 /* last received EAP Response from Authentication Server */
59 struct wpabuf *last_eap_radius;
61 u8 authenticator_pmk[PMK_LEN];
62 size_t authenticator_pmk_len;
63 u8 authenticator_eap_key_name[256];
64 size_t authenticator_eap_key_name_len;
65 int radius_access_accept_received;
66 int radius_access_reject_received;
70 size_t eap_identity_len;
73 u8 own_addr[ETH_ALEN];
74 struct extra_radius_attr *extra_attrs;
76 FILE *server_cert_file;
78 const char *pcsc_reader;
81 unsigned int ctrl_iface:1;
82 unsigned int id_req_sent:1;
85 static struct eapol_test_data eapol_test;
88 static void send_eap_request_identity(void *eloop_ctx, void *timeout_ctx);
91 static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module,
92 int level, const char *txt, size_t len)
95 wpa_printf(MSG_DEBUG, "STA " MACSTR ": %s\n",
98 wpa_printf(MSG_DEBUG, "%s", txt);
102 static int add_extra_attr(struct radius_msg *msg,
103 struct extra_radius_attr *attr)
108 char buf[RADIUS_MAX_ATTR_LEN + 1];
110 switch (attr->syntax) {
112 os_snprintf(buf, sizeof(buf), "%s", attr->data);
113 len = os_strlen(buf);
121 if (pos[0] == '0' && pos[1] == 'x')
123 len = os_strlen(pos);
124 if ((len & 1) || (len / 2) > RADIUS_MAX_ATTR_LEN) {
125 printf("Invalid extra attribute hexstring\n");
129 if (hexstr2bin(pos, (u8 *) buf, len) < 0) {
130 printf("Invalid extra attribute hexstring\n");
135 val = htonl(atoi(attr->data));
136 os_memcpy(buf, &val, 4);
140 printf("Incorrect extra attribute syntax specification\n");
144 if (!radius_msg_add_attr(msg, attr->type, (u8 *) buf, len)) {
145 printf("Could not add attribute %d\n", attr->type);
153 static int add_extra_attrs(struct radius_msg *msg,
154 struct extra_radius_attr *attrs)
156 struct extra_radius_attr *p;
157 for (p = attrs; p; p = p->next) {
158 if (add_extra_attr(msg, p) < 0)
165 static struct extra_radius_attr *
166 find_extra_attr(struct extra_radius_attr *attrs, u8 type)
168 struct extra_radius_attr *p;
169 for (p = attrs; p; p = p->next) {
177 static void ieee802_1x_encapsulate_radius(struct eapol_test_data *e,
178 const u8 *eap, size_t len)
180 struct radius_msg *msg;
181 char buf[RADIUS_MAX_ATTR_LEN + 1];
182 const struct eap_hdr *hdr;
185 wpa_printf(MSG_DEBUG, "Encapsulating EAP message into a RADIUS "
188 e->radius_identifier = radius_client_get_id(e->radius);
189 msg = radius_msg_new(RADIUS_CODE_ACCESS_REQUEST,
190 e->radius_identifier);
192 printf("Could not create net RADIUS packet\n");
196 radius_msg_make_authenticator(msg);
198 hdr = (const struct eap_hdr *) eap;
199 pos = (const u8 *) (hdr + 1);
200 if (len > sizeof(*hdr) && hdr->code == EAP_CODE_RESPONSE &&
201 pos[0] == EAP_TYPE_IDENTITY) {
203 os_free(e->eap_identity);
204 e->eap_identity_len = len - sizeof(*hdr) - 1;
205 e->eap_identity = os_malloc(e->eap_identity_len);
206 if (e->eap_identity) {
207 os_memcpy(e->eap_identity, pos, e->eap_identity_len);
208 wpa_hexdump(MSG_DEBUG, "Learned identity from "
209 "EAP-Response-Identity",
210 e->eap_identity, e->eap_identity_len);
214 if (e->eap_identity &&
215 !radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME,
216 e->eap_identity, e->eap_identity_len)) {
217 printf("Could not add User-Name\n");
221 if (e->req_eap_key_name &&
222 !radius_msg_add_attr(msg, RADIUS_ATTR_EAP_KEY_NAME, (u8 *) "\0",
224 printf("Could not add EAP-Key-Name\n");
228 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_NAS_IP_ADDRESS) &&
229 !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
230 (u8 *) &e->own_ip_addr, 4)) {
231 printf("Could not add NAS-IP-Address\n");
235 os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT,
236 MAC2STR(e->wpa_s->own_addr));
237 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_CALLING_STATION_ID)
239 !radius_msg_add_attr(msg, RADIUS_ATTR_CALLING_STATION_ID,
240 (u8 *) buf, os_strlen(buf))) {
241 printf("Could not add Calling-Station-Id\n");
245 /* TODO: should probably check MTU from driver config; 2304 is max for
246 * IEEE 802.11, but use 1400 to avoid problems with too large packets
248 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_FRAMED_MTU) &&
249 !radius_msg_add_attr_int32(msg, RADIUS_ATTR_FRAMED_MTU, 1400)) {
250 printf("Could not add Framed-MTU\n");
254 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_NAS_PORT_TYPE) &&
255 !radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT_TYPE,
256 RADIUS_NAS_PORT_TYPE_IEEE_802_11)) {
257 printf("Could not add NAS-Port-Type\n");
261 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_SERVICE_TYPE) &&
262 !radius_msg_add_attr_int32(msg, RADIUS_ATTR_SERVICE_TYPE,
263 RADIUS_SERVICE_TYPE_FRAMED)) {
264 printf("Could not add Service-Type\n");
268 os_snprintf(buf, sizeof(buf), "%s", e->connect_info);
269 if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_CONNECT_INFO) &&
270 !radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
271 (u8 *) buf, os_strlen(buf))) {
272 printf("Could not add Connect-Info\n");
276 if (add_extra_attrs(msg, e->extra_attrs) < 0)
279 if (eap && !radius_msg_add_eap(msg, eap, len)) {
280 printf("Could not add EAP-Message\n");
284 /* State attribute must be copied if and only if this packet is
285 * Access-Request reply to the previous Access-Challenge */
286 if (e->last_recv_radius &&
287 radius_msg_get_hdr(e->last_recv_radius)->code ==
288 RADIUS_CODE_ACCESS_CHALLENGE) {
289 int res = radius_msg_copy_attr(msg, e->last_recv_radius,
292 printf("Could not copy State attribute from previous "
293 "Access-Challenge\n");
297 wpa_printf(MSG_DEBUG, " Copied RADIUS State "
302 if (radius_client_send(e->radius, msg, RADIUS_AUTH, e->wpa_s->own_addr)
308 radius_msg_free(msg);
312 static int eapol_test_eapol_send(void *ctx, int type, const u8 *buf,
315 printf("WPA: eapol_test_eapol_send(type=%d len=%lu)\n",
316 type, (unsigned long) len);
317 if (type == IEEE802_1X_TYPE_EAP_PACKET) {
318 wpa_hexdump(MSG_DEBUG, "TX EAP -> RADIUS", buf, len);
319 ieee802_1x_encapsulate_radius(&eapol_test, buf, len);
325 static void eapol_test_set_config_blob(void *ctx,
326 struct wpa_config_blob *blob)
328 struct eapol_test_data *e = ctx;
329 wpa_config_set_blob(e->wpa_s->conf, blob);
333 static const struct wpa_config_blob *
334 eapol_test_get_config_blob(void *ctx, const char *name)
336 struct eapol_test_data *e = ctx;
337 return wpa_config_get_blob(e->wpa_s->conf, name);
341 static void eapol_test_eapol_done_cb(void *ctx)
343 struct eapol_test_data *e = ctx;
345 printf("WPA: EAPOL processing complete\n");
346 wpa_supplicant_cancel_auth_timeout(e->wpa_s);
347 wpa_supplicant_set_state(e->wpa_s, WPA_COMPLETED);
351 static void eapol_sm_reauth(void *eloop_ctx, void *timeout_ctx)
353 struct eapol_test_data *e = eloop_ctx;
354 printf("\n\n\n\n\neapol_test: Triggering EAP reauthentication\n\n");
355 e->radius_access_accept_received = 0;
356 send_eap_request_identity(e->wpa_s, NULL);
360 static int eapol_test_compare_pmk(struct eapol_test_data *e)
367 if (eapol_sm_get_key(e->wpa_s->eapol, pmk, PMK_LEN) == 0) {
368 wpa_hexdump(MSG_DEBUG, "PMK from EAPOL", pmk, PMK_LEN);
369 if (os_memcmp(pmk, e->authenticator_pmk, PMK_LEN) != 0) {
370 printf("WARNING: PMK mismatch\n");
371 wpa_hexdump(MSG_DEBUG, "PMK from AS",
372 e->authenticator_pmk, PMK_LEN);
373 } else if (e->radius_access_accept_received)
375 } else if (e->authenticator_pmk_len == 16 &&
376 eapol_sm_get_key(e->wpa_s->eapol, pmk, 16) == 0) {
377 wpa_hexdump(MSG_DEBUG, "LEAP PMK from EAPOL", pmk, 16);
378 if (os_memcmp(pmk, e->authenticator_pmk, 16) != 0) {
379 printf("WARNING: PMK mismatch\n");
380 wpa_hexdump(MSG_DEBUG, "PMK from AS",
381 e->authenticator_pmk, 16);
382 } else if (e->radius_access_accept_received)
384 } else if (e->radius_access_accept_received && e->no_mppe_keys) {
385 /* No keying material expected */
389 if (ret && !e->no_mppe_keys)
390 e->num_mppe_mismatch++;
391 else if (!e->no_mppe_keys)
394 sess_id = eapol_sm_get_session_id(e->wpa_s->eapol, &sess_id_len);
397 if (e->authenticator_eap_key_name_len == 0) {
398 wpa_printf(MSG_INFO, "No EAP-Key-Name received from server");
402 if (e->authenticator_eap_key_name_len != sess_id_len ||
403 os_memcmp(e->authenticator_eap_key_name, sess_id, sess_id_len) != 0)
406 "Locally derived EAP Session-Id does not match EAP-Key-Name from server");
407 wpa_hexdump(MSG_DEBUG, "EAP Session-Id", sess_id, sess_id_len);
408 wpa_hexdump(MSG_DEBUG, "EAP-Key-Name from server",
409 e->authenticator_eap_key_name,
410 e->authenticator_eap_key_name_len);
413 "Locally derived EAP Session-Id matches EAP-Key-Name from server");
420 static void eapol_sm_cb(struct eapol_sm *eapol, enum eapol_supp_result result,
423 struct eapol_test_data *e = ctx;
424 printf("eapol_sm_cb: result=%d\n", result);
428 e->eapol_test_num_reauths--;
429 if (e->eapol_test_num_reauths < 0)
432 eapol_test_compare_pmk(e);
433 eloop_register_timeout(0, 100000, eapol_sm_reauth, e, NULL);
438 static void eapol_test_write_cert(FILE *f, const char *subject,
439 const struct wpabuf *cert)
441 unsigned char *encoded;
443 encoded = base64_encode(wpabuf_head(cert), wpabuf_len(cert), NULL);
446 fprintf(f, "%s\n-----BEGIN CERTIFICATE-----\n%s"
447 "-----END CERTIFICATE-----\n\n", subject, encoded);
452 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
453 static void eapol_test_eap_param_needed(void *ctx, enum wpa_ctrl_req_type field,
454 const char *default_txt)
456 struct eapol_test_data *e = ctx;
457 struct wpa_supplicant *wpa_s = e->wpa_s;
458 struct wpa_ssid *ssid = wpa_s->current_ssid;
459 const char *field_name, *txt = NULL;
467 field_name = wpa_supplicant_ctrl_req_to_string(field, default_txt,
469 if (field_name == NULL) {
470 wpa_printf(MSG_WARNING, "Unhandled EAP param %d needed",
475 buflen = 100 + os_strlen(txt) + ssid->ssid_len;
476 buf = os_malloc(buflen);
479 len = os_snprintf(buf, buflen,
480 WPA_CTRL_REQ "%s-%d:%s needed for SSID ",
481 field_name, ssid->id, txt);
482 if (os_snprintf_error(buflen, len)) {
486 if (ssid->ssid && buflen > len + ssid->ssid_len) {
487 os_memcpy(buf + len, ssid->ssid, ssid->ssid_len);
488 len += ssid->ssid_len;
491 buf[buflen - 1] = '\0';
492 wpa_msg(wpa_s, MSG_INFO, "%s", buf);
495 #else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
496 #define eapol_test_eap_param_needed NULL
497 #endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
500 static void eapol_test_cert_cb(void *ctx, int depth, const char *subject,
501 const char *altsubject[], int num_altsubject,
502 const char *cert_hash,
503 const struct wpabuf *cert)
505 struct eapol_test_data *e = ctx;
507 wpa_msg(e->wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_CERT
508 "depth=%d subject='%s'%s%s",
510 cert_hash ? " hash=" : "",
511 cert_hash ? cert_hash : "");
515 size_t len = wpabuf_len(cert) * 2 + 1;
516 cert_hex = os_malloc(len);
518 wpa_snprintf_hex(cert_hex, len, wpabuf_head(cert),
520 wpa_msg_ctrl(e->wpa_s, MSG_INFO,
521 WPA_EVENT_EAP_PEER_CERT
522 "depth=%d subject='%s' cert=%s",
523 depth, subject, cert_hex);
527 if (e->server_cert_file)
528 eapol_test_write_cert(e->server_cert_file,
535 for (i = 0; i < num_altsubject; i++)
536 wpa_msg(e->wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_ALT
537 "depth=%d %s", depth, altsubject[i]);
542 static void eapol_test_set_anon_id(void *ctx, const u8 *id, size_t len)
544 struct eapol_test_data *e = ctx;
545 struct wpa_supplicant *wpa_s = e->wpa_s;
549 wpa_hexdump_ascii(MSG_DEBUG, "EAP method updated anonymous_identity",
552 if (wpa_s->current_ssid == NULL)
556 if (wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
560 str = os_malloc(len * 2 + 1);
563 wpa_snprintf_hex(str, len * 2 + 1, id, len);
564 res = wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
573 static enum wpa_states eapol_test_get_state(void *ctx)
575 struct eapol_test_data *e = ctx;
576 struct wpa_supplicant *wpa_s = e->wpa_s;
578 return wpa_s->wpa_state;
582 static int test_eapol(struct eapol_test_data *e, struct wpa_supplicant *wpa_s,
583 struct wpa_ssid *ssid)
585 struct eapol_config eapol_conf;
586 struct eapol_ctx *ctx;
587 struct wpa_sm_ctx *wctx;
589 ctx = os_zalloc(sizeof(*ctx));
591 printf("Failed to allocate EAPOL context.\n");
595 ctx->msg_ctx = wpa_s;
596 ctx->scard_ctx = wpa_s->scard;
597 ctx->cb = eapol_sm_cb;
599 ctx->eapol_send_ctx = wpa_s;
601 ctx->eapol_done_cb = eapol_test_eapol_done_cb;
602 ctx->eapol_send = eapol_test_eapol_send;
603 ctx->set_config_blob = eapol_test_set_config_blob;
604 ctx->get_config_blob = eapol_test_get_config_blob;
605 ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
606 ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
607 ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
608 ctx->openssl_ciphers = wpa_s->conf->openssl_ciphers;
609 ctx->eap_param_needed = eapol_test_eap_param_needed;
610 ctx->cert_cb = eapol_test_cert_cb;
612 ctx->set_anon_id = eapol_test_set_anon_id;
614 wpa_s->eapol = eapol_sm_init(ctx);
615 if (wpa_s->eapol == NULL) {
617 printf("Failed to initialize EAPOL state machines.\n");
621 wpa_s->key_mgmt = WPA_KEY_MGMT_IEEE8021X_NO_WPA;
622 wctx = os_zalloc(sizeof(*wctx));
628 wctx->msg_ctx = wpa_s;
629 wctx->get_state = eapol_test_get_state;
630 wpa_s->wpa = wpa_sm_init(wctx);
640 wpa_s->current_ssid = ssid;
641 os_memset(&eapol_conf, 0, sizeof(eapol_conf));
642 eapol_conf.accept_802_1x_keys = 1;
643 eapol_conf.required_keys = 0;
644 eapol_conf.fast_reauth = wpa_s->conf->fast_reauth;
645 eapol_conf.workaround = ssid->eap_workaround;
646 eapol_conf.external_sim = wpa_s->conf->external_sim;
647 eapol_sm_notify_config(wpa_s->eapol, &ssid->eap, &eapol_conf);
648 eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
651 eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
652 /* 802.1X::portControl = Auto */
653 eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
659 static void test_eapol_clean(struct eapol_test_data *e,
660 struct wpa_supplicant *wpa_s)
662 struct extra_radius_attr *p, *prev;
664 wpa_sm_deinit(wpa_s->wpa);
666 radius_client_deinit(e->radius);
667 wpabuf_free(e->last_eap_radius);
668 radius_msg_free(e->last_recv_radius);
669 e->last_recv_radius = NULL;
670 os_free(e->eap_identity);
671 e->eap_identity = NULL;
672 eapol_sm_deinit(wpa_s->eapol);
674 if (e->radius_conf && e->radius_conf->auth_server) {
675 os_free(e->radius_conf->auth_server->shared_secret);
676 os_free(e->radius_conf->auth_server);
678 os_free(e->radius_conf);
679 e->radius_conf = NULL;
680 scard_deinit(wpa_s->scard);
681 if (wpa_s->ctrl_iface) {
682 wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface);
683 wpa_s->ctrl_iface = NULL;
686 ext_password_deinit(wpa_s->ext_pw);
687 wpa_s->ext_pw = NULL;
689 wpa_config_free(wpa_s->conf);
700 static void send_eap_request_identity(void *eloop_ctx, void *timeout_ctx)
702 struct wpa_supplicant *wpa_s = eloop_ctx;
704 struct ieee802_1x_hdr *hdr;
707 hdr = (struct ieee802_1x_hdr *) buf;
708 hdr->version = EAPOL_VERSION;
709 hdr->type = IEEE802_1X_TYPE_EAP_PACKET;
710 hdr->length = htons(5);
712 eap = (struct eap_hdr *) (hdr + 1);
713 eap->code = EAP_CODE_REQUEST;
715 eap->length = htons(5);
716 pos = (u8 *) (eap + 1);
717 *pos = EAP_TYPE_IDENTITY;
719 printf("Sending fake EAP-Request-Identity\n");
720 eapol_sm_rx_eapol(wpa_s->eapol, wpa_s->bssid, buf,
725 static void eapol_test_timeout(void *eloop_ctx, void *timeout_ctx)
727 struct eapol_test_data *e = eloop_ctx;
728 printf("EAPOL test timed out\n");
729 e->auth_timed_out = 1;
734 static char *eap_type_text(u8 type)
737 case EAP_TYPE_IDENTITY: return "Identity";
738 case EAP_TYPE_NOTIFICATION: return "Notification";
739 case EAP_TYPE_NAK: return "Nak";
740 case EAP_TYPE_TLS: return "TLS";
741 case EAP_TYPE_TTLS: return "TTLS";
742 case EAP_TYPE_PEAP: return "PEAP";
743 case EAP_TYPE_SIM: return "SIM";
744 case EAP_TYPE_GTC: return "GTC";
745 case EAP_TYPE_MD5: return "MD5";
746 case EAP_TYPE_OTP: return "OTP";
747 case EAP_TYPE_FAST: return "FAST";
748 case EAP_TYPE_SAKE: return "SAKE";
749 case EAP_TYPE_PSK: return "PSK";
750 default: return "Unknown";
755 static void ieee802_1x_decapsulate_radius(struct eapol_test_data *e)
758 const struct eap_hdr *hdr;
761 struct radius_msg *msg;
763 if (e->last_recv_radius == NULL)
766 msg = e->last_recv_radius;
768 eap = radius_msg_get_eap(msg);
770 /* draft-aboba-radius-rfc2869bis-20.txt, Chap. 2.6.3:
771 * RADIUS server SHOULD NOT send Access-Reject/no EAP-Message
773 wpa_printf(MSG_DEBUG, "could not extract "
774 "EAP-Message from RADIUS message");
775 wpabuf_free(e->last_eap_radius);
776 e->last_eap_radius = NULL;
780 if (wpabuf_len(eap) < sizeof(*hdr)) {
781 wpa_printf(MSG_DEBUG, "too short EAP packet "
782 "received from authentication server");
787 if (wpabuf_len(eap) > sizeof(*hdr))
788 eap_type = (wpabuf_head_u8(eap))[sizeof(*hdr)];
790 hdr = wpabuf_head(eap);
792 case EAP_CODE_REQUEST:
793 os_snprintf(buf, sizeof(buf), "EAP-Request-%s (%d)",
794 eap_type >= 0 ? eap_type_text(eap_type) : "??",
797 case EAP_CODE_RESPONSE:
798 os_snprintf(buf, sizeof(buf), "EAP Response-%s (%d)",
799 eap_type >= 0 ? eap_type_text(eap_type) : "??",
802 case EAP_CODE_SUCCESS:
803 os_strlcpy(buf, "EAP Success", sizeof(buf));
804 /* LEAP uses EAP Success within an authentication, so must not
805 * stop here with eloop_terminate(); */
807 case EAP_CODE_FAILURE:
808 os_strlcpy(buf, "EAP Failure", sizeof(buf));
814 os_strlcpy(buf, "unknown EAP code", sizeof(buf));
815 wpa_hexdump_buf(MSG_DEBUG, "Decapsulated EAP packet", eap);
818 wpa_printf(MSG_DEBUG, "decapsulated EAP packet (code=%d "
819 "id=%d len=%d) from RADIUS server: %s",
820 hdr->code, hdr->identifier, ntohs(hdr->length), buf);
822 /* sta->eapol_sm->be_auth.idFromServer = hdr->identifier; */
824 wpabuf_free(e->last_eap_radius);
825 e->last_eap_radius = eap;
828 struct ieee802_1x_hdr *dot1x;
829 dot1x = os_malloc(sizeof(*dot1x) + wpabuf_len(eap));
830 assert(dot1x != NULL);
831 dot1x->version = EAPOL_VERSION;
832 dot1x->type = IEEE802_1X_TYPE_EAP_PACKET;
833 dot1x->length = htons(wpabuf_len(eap));
834 os_memcpy((u8 *) (dot1x + 1), wpabuf_head(eap),
836 eapol_sm_rx_eapol(e->wpa_s->eapol, e->wpa_s->bssid,
838 sizeof(*dot1x) + wpabuf_len(eap));
844 static void ieee802_1x_get_keys(struct eapol_test_data *e,
845 struct radius_msg *msg, struct radius_msg *req,
846 const u8 *shared_secret,
847 size_t shared_secret_len)
849 struct radius_ms_mppe_keys *keys;
853 keys = radius_msg_get_ms_keys(msg, req, shared_secret,
855 if (keys && keys->send == NULL && keys->recv == NULL) {
857 keys = radius_msg_get_cisco_keys(msg, req, shared_secret,
863 wpa_hexdump(MSG_DEBUG, "MS-MPPE-Send-Key (sign)",
864 keys->send, keys->send_len);
867 wpa_hexdump(MSG_DEBUG, "MS-MPPE-Recv-Key (crypt)",
868 keys->recv, keys->recv_len);
869 e->authenticator_pmk_len =
870 keys->recv_len > PMK_LEN ? PMK_LEN :
872 os_memcpy(e->authenticator_pmk, keys->recv,
873 e->authenticator_pmk_len);
874 if (e->authenticator_pmk_len == 16 && keys->send &&
875 keys->send_len == 16) {
876 /* MS-CHAP-v2 derives 16 octet keys */
877 wpa_printf(MSG_DEBUG, "Use MS-MPPE-Send-Key "
878 "to extend PMK to 32 octets");
879 os_memcpy(e->authenticator_pmk +
880 e->authenticator_pmk_len,
881 keys->send, keys->send_len);
882 e->authenticator_pmk_len += keys->send_len;
891 if (radius_msg_get_attr_ptr(msg, RADIUS_ATTR_EAP_KEY_NAME, &buf, &len,
893 os_memcpy(e->authenticator_eap_key_name, buf, len);
894 e->authenticator_eap_key_name_len = len;
896 e->authenticator_eap_key_name_len = 0;
901 /* Process the RADIUS frames from Authentication Server */
902 static RadiusRxResult
903 ieee802_1x_receive_auth(struct radius_msg *msg, struct radius_msg *req,
904 const u8 *shared_secret, size_t shared_secret_len,
907 struct eapol_test_data *e = data;
908 struct radius_hdr *hdr = radius_msg_get_hdr(msg);
910 /* RFC 2869, Ch. 5.13: valid Message-Authenticator attribute MUST be
911 * present when packet contains an EAP-Message attribute */
912 if (hdr->code == RADIUS_CODE_ACCESS_REJECT &&
913 radius_msg_get_attr(msg, RADIUS_ATTR_MESSAGE_AUTHENTICATOR, NULL,
915 radius_msg_get_attr(msg, RADIUS_ATTR_EAP_MESSAGE, NULL, 0) < 0) {
916 wpa_printf(MSG_DEBUG, "Allowing RADIUS "
917 "Access-Reject without Message-Authenticator "
918 "since it does not include EAP-Message\n");
919 } else if (radius_msg_verify(msg, shared_secret, shared_secret_len,
921 printf("Incoming RADIUS packet did not have correct "
922 "Message-Authenticator - dropped\n");
923 return RADIUS_RX_UNKNOWN;
926 if (hdr->code != RADIUS_CODE_ACCESS_ACCEPT &&
927 hdr->code != RADIUS_CODE_ACCESS_REJECT &&
928 hdr->code != RADIUS_CODE_ACCESS_CHALLENGE) {
929 printf("Unknown RADIUS message code\n");
930 return RADIUS_RX_UNKNOWN;
933 e->radius_identifier = -1;
934 wpa_printf(MSG_DEBUG, "RADIUS packet matching with station");
936 radius_msg_free(e->last_recv_radius);
937 e->last_recv_radius = msg;
940 case RADIUS_CODE_ACCESS_ACCEPT:
941 e->radius_access_accept_received = 1;
942 ieee802_1x_get_keys(e, msg, req, shared_secret,
945 case RADIUS_CODE_ACCESS_REJECT:
946 e->radius_access_reject_received = 1;
950 ieee802_1x_decapsulate_radius(e);
952 if ((hdr->code == RADIUS_CODE_ACCESS_ACCEPT &&
953 e->eapol_test_num_reauths < 0) ||
954 hdr->code == RADIUS_CODE_ACCESS_REJECT) {
959 return RADIUS_RX_QUEUED;
963 static int driver_get_ssid(void *priv, u8 *ssid)
970 static int driver_get_bssid(void *priv, u8 *bssid)
972 struct eapol_test_data *e = priv;
974 if (e->ctrl_iface && !e->id_req_sent) {
975 eloop_register_timeout(0, 0, send_eap_request_identity,
980 os_memset(bssid, 0, ETH_ALEN);
986 static int driver_get_capa(void *priv, struct wpa_driver_capa *capa)
988 os_memset(capa, 0, sizeof(*capa));
989 capa->flags = WPA_DRIVER_FLAGS_WIRED;
994 struct wpa_driver_ops eapol_test_drv_ops = {
996 .get_ssid = driver_get_ssid,
997 .get_bssid = driver_get_bssid,
998 .get_capa = driver_get_capa,
1001 static void wpa_init_conf(struct eapol_test_data *e,
1002 struct wpa_supplicant *wpa_s, const char *authsrv,
1003 int port, const char *secret,
1004 const char *cli_addr, const char *ifname)
1006 struct hostapd_radius_server *as;
1009 wpa_s->driver = &eapol_test_drv_ops;
1010 wpa_s->drv_priv = e;
1011 wpa_s->bssid[5] = 1;
1012 os_memcpy(wpa_s->own_addr, e->own_addr, ETH_ALEN);
1013 e->own_ip_addr.s_addr = htonl((127 << 24) | 1);
1014 os_strlcpy(wpa_s->ifname, ifname, sizeof(wpa_s->ifname));
1016 e->radius_conf = os_zalloc(sizeof(struct hostapd_radius_servers));
1017 assert(e->radius_conf != NULL);
1018 e->radius_conf->num_auth_servers = 1;
1019 as = os_zalloc(sizeof(struct hostapd_radius_server));
1021 #if defined(CONFIG_NATIVE_WINDOWS) || defined(CONFIG_ANSI_C_EXTRA)
1025 sscanf(authsrv, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3]);
1026 pos = (u8 *) &as->addr.u.v4;
1032 #else /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
1033 if (hostapd_parse_ip_addr(authsrv, &as->addr) < 0) {
1034 wpa_printf(MSG_ERROR, "Invalid IP address '%s'",
1038 #endif /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
1040 as->shared_secret = (u8 *) os_strdup(secret);
1041 as->shared_secret_len = os_strlen(secret);
1042 e->radius_conf->auth_server = as;
1043 e->radius_conf->auth_servers = as;
1044 e->radius_conf->msg_dumps = 1;
1046 if (hostapd_parse_ip_addr(cli_addr,
1047 &e->radius_conf->client_addr) == 0)
1048 e->radius_conf->force_client_addr = 1;
1050 wpa_printf(MSG_ERROR, "Invalid IP address '%s'",
1056 e->radius = radius_client_init(wpa_s, e->radius_conf);
1057 assert(e->radius != NULL);
1059 res = radius_client_register(e->radius, RADIUS_AUTH,
1060 ieee802_1x_receive_auth, e);
1065 static int scard_test(struct eapol_test_data *e)
1067 struct scard_data *scard;
1070 unsigned char _rand[16];
1072 unsigned char sres[4];
1073 unsigned char kc[8];
1074 #endif /* PCSC_FUNCS */
1075 #define num_triplets 5
1076 unsigned char rand_[num_triplets][16];
1077 unsigned char sres_[num_triplets][4];
1078 unsigned char kc_[num_triplets][8];
1082 #define AKA_RAND_LEN 16
1083 #define AKA_AUTN_LEN 16
1084 #define AKA_AUTS_LEN 14
1085 #define RES_MAX_LEN 16
1088 unsigned char aka_rand[AKA_RAND_LEN];
1089 unsigned char aka_autn[AKA_AUTN_LEN];
1090 unsigned char aka_auts[AKA_AUTS_LEN];
1091 unsigned char aka_res[RES_MAX_LEN];
1093 unsigned char aka_ik[IK_LEN];
1094 unsigned char aka_ck[CK_LEN];
1096 scard = scard_init(e->pcsc_reader);
1099 if (scard_set_pin(scard, e->pcsc_pin)) {
1100 wpa_printf(MSG_WARNING, "PIN validation failed");
1101 scard_deinit(scard);
1106 if (scard_get_imsi(scard, imsi, &len))
1108 wpa_hexdump_ascii(MSG_DEBUG, "SCARD: IMSI", (u8 *) imsi, len);
1109 /* NOTE: Permanent Username: 1 | IMSI */
1111 wpa_printf(MSG_DEBUG, "SCARD: MNC length %d",
1112 scard_get_mnc_len(scard));
1114 os_memset(_rand, 0, sizeof(_rand));
1115 if (scard_gsm_auth(scard, _rand, sres, kc))
1118 os_memset(_rand, 0xff, sizeof(_rand));
1119 if (scard_gsm_auth(scard, _rand, sres, kc))
1122 for (i = 0; i < num_triplets; i++) {
1123 os_memset(rand_[i], i, sizeof(rand_[i]));
1124 if (scard_gsm_auth(scard, rand_[i], sres_[i], kc_[i]))
1128 for (i = 0; i < num_triplets; i++) {
1130 for (j = 0; j < len; j++)
1131 printf("%c", imsi[j]);
1133 for (j = 0; j < 16; j++)
1134 printf("%02X", rand_[i][j]);
1136 for (j = 0; j < 4; j++)
1137 printf("%02X", sres_[i][j]);
1139 for (j = 0; j < 8; j++)
1140 printf("%02X", kc_[i][j]);
1144 wpa_printf(MSG_DEBUG, "Trying to use UMTS authentication");
1147 os_memset(aka_rand, 0xaa, 16);
1148 os_memcpy(aka_autn, "\x86\x71\x31\xcb\xa2\xfc\x61\xdf"
1149 "\xa3\xb3\x97\x9d\x07\x32\xa2\x12", 16);
1151 res = scard_umts_auth(scard, aka_rand, aka_autn, aka_res, &aka_res_len,
1152 aka_ik, aka_ck, aka_auts);
1154 wpa_printf(MSG_DEBUG, "UMTS auth completed successfully");
1155 wpa_hexdump(MSG_DEBUG, "RES", aka_res, aka_res_len);
1156 wpa_hexdump(MSG_DEBUG, "IK", aka_ik, IK_LEN);
1157 wpa_hexdump(MSG_DEBUG, "CK", aka_ck, CK_LEN);
1158 } else if (res == -2) {
1159 wpa_printf(MSG_DEBUG, "UMTS auth resulted in synchronization "
1161 wpa_hexdump(MSG_DEBUG, "AUTS", aka_auts, AKA_AUTS_LEN);
1163 wpa_printf(MSG_DEBUG, "UMTS auth failed");
1167 scard_deinit(scard);
1174 static int scard_get_triplets(struct eapol_test_data *e, int argc, char *argv[])
1176 struct scard_data *scard;
1179 unsigned char _rand[16];
1180 unsigned char sres[4];
1181 unsigned char kc[8];
1186 if (argc < 2 || ((num_triplets = atoi(argv[1])) <= 0)) {
1187 printf("invalid parameters for sim command\n");
1191 if (argc <= 2 || os_strcmp(argv[2], "debug") != 0) {
1192 /* disable debug output */
1193 wpa_debug_level = 99;
1196 scard = scard_init(e->pcsc_reader);
1197 if (scard == NULL) {
1198 printf("Failed to open smartcard connection\n");
1201 if (scard_set_pin(scard, argv[0])) {
1202 wpa_printf(MSG_WARNING, "PIN validation failed");
1203 scard_deinit(scard);
1208 if (scard_get_imsi(scard, imsi, &len)) {
1209 scard_deinit(scard);
1213 for (i = 0; i < num_triplets; i++) {
1214 os_memset(_rand, i, sizeof(_rand));
1215 if (scard_gsm_auth(scard, _rand, sres, kc))
1218 /* IMSI:Kc:SRES:RAND */
1219 for (j = 0; j < len; j++)
1220 printf("%c", imsi[j]);
1222 for (j = 0; j < 8; j++)
1223 printf("%02X", kc[j]);
1225 for (j = 0; j < 4; j++)
1226 printf("%02X", sres[j]);
1228 for (j = 0; j < 16; j++)
1229 printf("%02X", _rand[j]);
1233 scard_deinit(scard);
1239 static void eapol_test_terminate(int sig, void *signal_ctx)
1241 struct wpa_supplicant *wpa_s = signal_ctx;
1242 wpa_msg(wpa_s, MSG_INFO, "Signal %d received - terminating", sig);
1247 static void usage(void)
1250 "eapol_test [-enWSv] -c<conf> [-a<AS IP>] [-p<AS port>] "
1251 "[-s<AS secret>]\\\n"
1252 " [-r<count>] [-t<timeout>] [-C<Connect-Info>] \\\n"
1253 " [-M<client MAC address>] [-o<server cert file] \\\n"
1254 " [-N<attr spec>] [-R<PC/SC reader>] "
1255 "[-P<PC/SC PIN>] \\\n"
1256 " [-A<client IP>] [-i<ifname>] [-T<ctrl_iface>]\n"
1257 "eapol_test scard\n"
1258 "eapol_test sim <PIN> <num triplets> [debug]\n"
1261 " -c<conf> = configuration file\n"
1262 " -a<AS IP> = IP address of the authentication server, "
1263 "default 127.0.0.1\n"
1264 " -p<AS port> = UDP port of the authentication server, "
1266 " -s<AS secret> = shared secret with the authentication "
1267 "server, default 'radius'\n"
1268 " -A<client IP> = IP address of the client, default: select "
1270 " -r<count> = number of re-authentications\n"
1271 " -e = Request EAP-Key-Name\n"
1272 " -W = wait for a control interface monitor before starting\n"
1273 " -S = save configuration after authentication\n"
1274 " -n = no MPPE keys expected\n"
1275 " -v = show version\n"
1276 " -t<timeout> = sets timeout in seconds (default: 30 s)\n"
1277 " -C<Connect-Info> = RADIUS Connect-Info (default: "
1278 "CONNECT 11Mbps 802.11b)\n"
1279 " -M<client MAC address> = Set own MAC address "
1280 "(Calling-Station-Id,\n"
1281 " default: 02:00:00:00:00:01)\n"
1282 " -o<server cert file> = Write received server certificate\n"
1283 " chain to the specified file\n"
1284 " -N<attr spec> = send arbitrary attribute specified by:\n"
1285 " attr_id:syntax:value or attr_id\n"
1286 " attr_id - number id of the attribute\n"
1287 " syntax - one of: s, d, x\n"
1290 " x = octet string\n"
1291 " value - attribute value.\n"
1292 " When only attr_id is specified, NULL will be used as "
1294 " Multiple attributes can be specified by using the "
1295 "option several times.\n");
1299 int main(int argc, char *argv[])
1301 struct wpa_global global;
1302 struct wpa_supplicant wpa_s;
1303 int c, ret = 1, wait_for_monitor = 0, save_config = 0;
1304 char *as_addr = "127.0.0.1";
1306 char *as_secret = "radius";
1307 char *cli_addr = NULL;
1311 struct extra_radius_attr *p = NULL, *p1;
1312 const char *ifname = "test";
1313 const char *ctrl_iface = NULL;
1315 if (os_program_init())
1318 hostapd_logger_register_cb(hostapd_logger_cb);
1320 os_memset(&eapol_test, 0, sizeof(eapol_test));
1321 eapol_test.connect_info = "CONNECT 11Mbps 802.11b";
1322 os_memcpy(eapol_test.own_addr, "\x02\x00\x00\x00\x00\x01", ETH_ALEN);
1323 eapol_test.pcsc_pin = "1234";
1325 wpa_debug_level = 0;
1326 wpa_debug_show_keys = 1;
1329 c = getopt(argc, argv, "a:A:c:C:ei:M:nN:o:p:P:r:R:s:St:T:vW");
1343 eapol_test.connect_info = optarg;
1346 eapol_test.req_eap_key_name = 1;
1352 if (hwaddr_aton(optarg, eapol_test.own_addr)) {
1358 eapol_test.no_mppe_keys++;
1361 if (eapol_test.server_cert_file)
1362 fclose(eapol_test.server_cert_file);
1363 eapol_test.server_cert_file = fopen(optarg, "w");
1364 if (eapol_test.server_cert_file == NULL) {
1365 printf("Could not open '%s' for writing\n",
1371 as_port = atoi(optarg);
1374 eapol_test.pcsc_pin = optarg;
1377 eapol_test.eapol_test_num_reauths = atoi(optarg);
1380 eapol_test.pcsc_reader = optarg;
1389 timeout = atoi(optarg);
1392 ctrl_iface = optarg;
1393 eapol_test.ctrl_iface = 1;
1396 printf("eapol_test v" VERSION_STR "\n");
1402 p1 = os_zalloc(sizeof(*p1));
1406 eapol_test.extra_attrs = p1;
1411 p->type = atoi(optarg);
1412 pos = os_strchr(optarg, ':');
1420 if (pos[0] == '\0' || pos[1] != ':') {
1421 printf("Incorrect format of attribute "
1435 if (argc > optind && os_strcmp(argv[optind], "scard") == 0) {
1436 return scard_test(&eapol_test);
1439 if (argc > optind && os_strcmp(argv[optind], "sim") == 0) {
1440 return scard_get_triplets(&eapol_test, argc - optind - 1,
1444 if (conf == NULL && !ctrl_iface) {
1446 printf("Configuration file is required.\n");
1450 if (eap_register_methods()) {
1451 wpa_printf(MSG_ERROR, "Failed to register EAP methods");
1456 wpa_printf(MSG_ERROR, "Failed to initialize event loop");
1460 os_memset(&global, 0, sizeof(global));
1461 os_memset(&wpa_s, 0, sizeof(wpa_s));
1462 wpa_s.global = &global;
1463 eapol_test.wpa_s = &wpa_s;
1464 dl_list_init(&wpa_s.bss);
1465 dl_list_init(&wpa_s.bss_id);
1467 wpa_s.conf = wpa_config_read(conf, NULL);
1469 wpa_s.conf = wpa_config_alloc_empty(ctrl_iface, NULL);
1470 if (wpa_s.conf == NULL) {
1471 printf("Failed to parse configuration file '%s'.\n", conf);
1474 if (!ctrl_iface && wpa_s.conf->ssid == NULL) {
1475 printf("No networks defined.\n");
1479 if (eapol_test.pcsc_reader) {
1480 os_free(wpa_s.conf->pcsc_reader);
1481 wpa_s.conf->pcsc_reader = os_strdup(eapol_test.pcsc_reader);
1484 wpa_init_conf(&eapol_test, &wpa_s, as_addr, as_port, as_secret,
1486 wpa_s.ctrl_iface = wpa_supplicant_ctrl_iface_init(&wpa_s);
1487 if (wpa_s.ctrl_iface == NULL) {
1488 printf("Failed to initialize control interface '%s'.\n"
1489 "You may have another eapol_test process already "
1490 "running or the file was\n"
1491 "left by an unclean termination of eapol_test in "
1492 "which case you will need\n"
1493 "to manually remove this file before starting "
1494 "eapol_test again.\n",
1495 wpa_s.conf->ctrl_interface);
1498 if (wpa_s.conf->ssid &&
1499 wpa_supplicant_scard_init(&wpa_s, wpa_s.conf->ssid))
1502 if (test_eapol(&eapol_test, &wpa_s, wpa_s.conf->ssid))
1505 if (wpas_init_ext_pw(&wpa_s) < 0)
1508 if (wait_for_monitor)
1509 wpa_supplicant_ctrl_iface_wait(wpa_s.ctrl_iface);
1512 eloop_register_timeout(timeout, 0, eapol_test_timeout,
1514 eloop_register_timeout(0, 0, send_eap_request_identity, &wpa_s,
1517 eloop_register_signal_terminate(eapol_test_terminate, &wpa_s);
1518 eloop_register_signal_reconfig(eapol_test_terminate, &wpa_s);
1521 eloop_cancel_timeout(eapol_test_timeout, &eapol_test, NULL);
1522 eloop_cancel_timeout(eapol_sm_reauth, &eapol_test, NULL);
1524 if (eapol_test_compare_pmk(&eapol_test) == 0 ||
1525 eapol_test.no_mppe_keys)
1527 if (eapol_test.auth_timed_out)
1529 if (eapol_test.radius_access_reject_received)
1533 wpa_config_write(conf, wpa_s.conf);
1535 test_eapol_clean(&eapol_test, &wpa_s);
1537 eap_peer_unregister_methods();
1539 eap_server_unregister_methods();
1540 #endif /* CONFIG_AP */
1544 if (eapol_test.server_cert_file)
1545 fclose(eapol_test.server_cert_file);
1547 printf("MPPE keys OK: %d mismatch: %d\n",
1548 eapol_test.num_mppe_ok, eapol_test.num_mppe_mismatch);
1549 if (eapol_test.num_mppe_mismatch)
1552 printf("FAILURE\n");
1554 printf("SUCCESS\n");
1556 os_program_deinit();