wpa_supplicant: Initial Revision 0.8.X
Based on:
commit 0725cc7b7efc434910e89865c42eda7ce61bbf08
Author: Jouni Malinen <j@w1.fi>
Date: Thu Apr 21 20:41:01 2011 +0300
Enable CONFIG_DRIVER_NL80211=y in the default configuration
nl80211 should be preferred over WEXT with any recent Linux
kernel version.
Change-Id: I26aec5afbbd4f4a1f5fd900912545b6f5050de64
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/wpa_supplicant/eapol_test.c b/wpa_supplicant/eapol_test.c
new file mode 100644
index 0000000..42a7c70
--- /dev/null
+++ b/wpa_supplicant/eapol_test.c
@@ -0,0 +1,1213 @@
+/*
+ * WPA Supplicant - test code
+ * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * IEEE 802.1X Supplicant test code (to be used in place of wpa_supplicant.c.
+ * Not used in production version.
+ */
+
+#include "includes.h"
+#include <assert.h>
+
+#include "common.h"
+#include "config.h"
+#include "eapol_supp/eapol_supp_sm.h"
+#include "eap_peer/eap.h"
+#include "eap_server/eap_methods.h"
+#include "eloop.h"
+#include "rsn_supp/wpa.h"
+#include "eap_peer/eap_i.h"
+#include "wpa_supplicant_i.h"
+#include "radius/radius.h"
+#include "radius/radius_client.h"
+#include "ctrl_iface.h"
+#include "pcsc_funcs.h"
+
+
+extern int wpa_debug_level;
+extern int wpa_debug_show_keys;
+
+struct wpa_driver_ops *wpa_drivers[] = { NULL };
+
+
+struct extra_radius_attr {
+ u8 type;
+ char syntax;
+ char *data;
+ struct extra_radius_attr *next;
+};
+
+struct eapol_test_data {
+ struct wpa_supplicant *wpa_s;
+
+ int eapol_test_num_reauths;
+ int no_mppe_keys;
+ int num_mppe_ok, num_mppe_mismatch;
+
+ u8 radius_identifier;
+ struct radius_msg *last_recv_radius;
+ struct in_addr own_ip_addr;
+ struct radius_client_data *radius;
+ struct hostapd_radius_servers *radius_conf;
+
+ u8 *last_eap_radius; /* last received EAP Response from Authentication
+ * Server */
+ size_t last_eap_radius_len;
+
+ u8 authenticator_pmk[PMK_LEN];
+ size_t authenticator_pmk_len;
+ int radius_access_accept_received;
+ int radius_access_reject_received;
+ int auth_timed_out;
+
+ u8 *eap_identity;
+ size_t eap_identity_len;
+
+ char *connect_info;
+ u8 own_addr[ETH_ALEN];
+ struct extra_radius_attr *extra_attrs;
+};
+
+static struct eapol_test_data eapol_test;
+
+
+static void send_eap_request_identity(void *eloop_ctx, void *timeout_ctx);
+
+
+static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module,
+ int level, const char *txt, size_t len)
+{
+ if (addr)
+ wpa_printf(MSG_DEBUG, "STA " MACSTR ": %s\n",
+ MAC2STR(addr), txt);
+ else
+ wpa_printf(MSG_DEBUG, "%s", txt);
+}
+
+
+static int add_extra_attr(struct radius_msg *msg,
+ struct extra_radius_attr *attr)
+{
+ size_t len;
+ char *pos;
+ u32 val;
+ char buf[128];
+
+ switch (attr->syntax) {
+ case 's':
+ os_snprintf(buf, sizeof(buf), "%s", attr->data);
+ len = os_strlen(buf);
+ break;
+ case 'n':
+ buf[0] = '\0';
+ len = 1;
+ break;
+ case 'x':
+ pos = attr->data;
+ if (pos[0] == '0' && pos[1] == 'x')
+ pos += 2;
+ len = os_strlen(pos);
+ if ((len & 1) || (len / 2) > sizeof(buf)) {
+ printf("Invalid extra attribute hexstring\n");
+ return -1;
+ }
+ len /= 2;
+ if (hexstr2bin(pos, (u8 *) buf, len) < 0) {
+ printf("Invalid extra attribute hexstring\n");
+ return -1;
+ }
+ break;
+ case 'd':
+ val = htonl(atoi(attr->data));
+ os_memcpy(buf, &val, 4);
+ len = 4;
+ break;
+ default:
+ printf("Incorrect extra attribute syntax specification\n");
+ return -1;
+ }
+
+ if (!radius_msg_add_attr(msg, attr->type, (u8 *) buf, len)) {
+ printf("Could not add attribute %d\n", attr->type);
+ return -1;
+ }
+
+ return 0;
+}
+
+
+static int add_extra_attrs(struct radius_msg *msg,
+ struct extra_radius_attr *attrs)
+{
+ struct extra_radius_attr *p;
+ for (p = attrs; p; p = p->next) {
+ if (add_extra_attr(msg, p) < 0)
+ return -1;
+ }
+ return 0;
+}
+
+
+static struct extra_radius_attr *
+find_extra_attr(struct extra_radius_attr *attrs, u8 type)
+{
+ struct extra_radius_attr *p;
+ for (p = attrs; p; p = p->next) {
+ if (p->type == type)
+ return p;
+ }
+ return NULL;
+}
+
+
+static void ieee802_1x_encapsulate_radius(struct eapol_test_data *e,
+ const u8 *eap, size_t len)
+{
+ struct radius_msg *msg;
+ char buf[128];
+ const struct eap_hdr *hdr;
+ const u8 *pos;
+
+ wpa_printf(MSG_DEBUG, "Encapsulating EAP message into a RADIUS "
+ "packet");
+
+ e->radius_identifier = radius_client_get_id(e->radius);
+ msg = radius_msg_new(RADIUS_CODE_ACCESS_REQUEST,
+ e->radius_identifier);
+ if (msg == NULL) {
+ printf("Could not create net RADIUS packet\n");
+ return;
+ }
+
+ radius_msg_make_authenticator(msg, (u8 *) e, sizeof(*e));
+
+ hdr = (const struct eap_hdr *) eap;
+ pos = (const u8 *) (hdr + 1);
+ if (len > sizeof(*hdr) && hdr->code == EAP_CODE_RESPONSE &&
+ pos[0] == EAP_TYPE_IDENTITY) {
+ pos++;
+ os_free(e->eap_identity);
+ e->eap_identity_len = len - sizeof(*hdr) - 1;
+ e->eap_identity = os_malloc(e->eap_identity_len);
+ if (e->eap_identity) {
+ os_memcpy(e->eap_identity, pos, e->eap_identity_len);
+ wpa_hexdump(MSG_DEBUG, "Learned identity from "
+ "EAP-Response-Identity",
+ e->eap_identity, e->eap_identity_len);
+ }
+ }
+
+ if (e->eap_identity &&
+ !radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME,
+ e->eap_identity, e->eap_identity_len)) {
+ printf("Could not add User-Name\n");
+ goto fail;
+ }
+
+ if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_NAS_IP_ADDRESS) &&
+ !radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
+ (u8 *) &e->own_ip_addr, 4)) {
+ printf("Could not add NAS-IP-Address\n");
+ goto fail;
+ }
+
+ os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT,
+ MAC2STR(e->wpa_s->own_addr));
+ if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_CALLING_STATION_ID)
+ &&
+ !radius_msg_add_attr(msg, RADIUS_ATTR_CALLING_STATION_ID,
+ (u8 *) buf, os_strlen(buf))) {
+ printf("Could not add Calling-Station-Id\n");
+ goto fail;
+ }
+
+ /* TODO: should probably check MTU from driver config; 2304 is max for
+ * IEEE 802.11, but use 1400 to avoid problems with too large packets
+ */
+ if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_FRAMED_MTU) &&
+ !radius_msg_add_attr_int32(msg, RADIUS_ATTR_FRAMED_MTU, 1400)) {
+ printf("Could not add Framed-MTU\n");
+ goto fail;
+ }
+
+ if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_NAS_PORT_TYPE) &&
+ !radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT_TYPE,
+ RADIUS_NAS_PORT_TYPE_IEEE_802_11)) {
+ printf("Could not add NAS-Port-Type\n");
+ goto fail;
+ }
+
+ os_snprintf(buf, sizeof(buf), "%s", e->connect_info);
+ if (!find_extra_attr(e->extra_attrs, RADIUS_ATTR_CONNECT_INFO) &&
+ !radius_msg_add_attr(msg, RADIUS_ATTR_CONNECT_INFO,
+ (u8 *) buf, os_strlen(buf))) {
+ printf("Could not add Connect-Info\n");
+ goto fail;
+ }
+
+ if (add_extra_attrs(msg, e->extra_attrs) < 0)
+ goto fail;
+
+ if (eap && !radius_msg_add_eap(msg, eap, len)) {
+ printf("Could not add EAP-Message\n");
+ goto fail;
+ }
+
+ /* State attribute must be copied if and only if this packet is
+ * Access-Request reply to the previous Access-Challenge */
+ if (e->last_recv_radius &&
+ radius_msg_get_hdr(e->last_recv_radius)->code ==
+ RADIUS_CODE_ACCESS_CHALLENGE) {
+ int res = radius_msg_copy_attr(msg, e->last_recv_radius,
+ RADIUS_ATTR_STATE);
+ if (res < 0) {
+ printf("Could not copy State attribute from previous "
+ "Access-Challenge\n");
+ goto fail;
+ }
+ if (res > 0) {
+ wpa_printf(MSG_DEBUG, " Copied RADIUS State "
+ "Attribute");
+ }
+ }
+
+ radius_client_send(e->radius, msg, RADIUS_AUTH, e->wpa_s->own_addr);
+ return;
+
+ fail:
+ radius_msg_free(msg);
+}
+
+
+static int eapol_test_eapol_send(void *ctx, int type, const u8 *buf,
+ size_t len)
+{
+ /* struct wpa_supplicant *wpa_s = ctx; */
+ printf("WPA: eapol_test_eapol_send(type=%d len=%lu)\n",
+ type, (unsigned long) len);
+ if (type == IEEE802_1X_TYPE_EAP_PACKET) {
+ wpa_hexdump(MSG_DEBUG, "TX EAP -> RADIUS", buf, len);
+ ieee802_1x_encapsulate_radius(&eapol_test, buf, len);
+ }
+ return 0;
+}
+
+
+static void eapol_test_set_config_blob(void *ctx,
+ struct wpa_config_blob *blob)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ wpa_config_set_blob(wpa_s->conf, blob);
+}
+
+
+static const struct wpa_config_blob *
+eapol_test_get_config_blob(void *ctx, const char *name)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ return wpa_config_get_blob(wpa_s->conf, name);
+}
+
+
+static void eapol_test_eapol_done_cb(void *ctx)
+{
+ printf("WPA: EAPOL processing complete\n");
+}
+
+
+static void eapol_sm_reauth(void *eloop_ctx, void *timeout_ctx)
+{
+ struct eapol_test_data *e = eloop_ctx;
+ printf("\n\n\n\n\neapol_test: Triggering EAP reauthentication\n\n");
+ e->radius_access_accept_received = 0;
+ send_eap_request_identity(e->wpa_s, NULL);
+}
+
+
+static int eapol_test_compare_pmk(struct eapol_test_data *e)
+{
+ u8 pmk[PMK_LEN];
+ int ret = 1;
+
+ if (eapol_sm_get_key(e->wpa_s->eapol, pmk, PMK_LEN) == 0) {
+ wpa_hexdump(MSG_DEBUG, "PMK from EAPOL", pmk, PMK_LEN);
+ if (os_memcmp(pmk, e->authenticator_pmk, PMK_LEN) != 0) {
+ printf("WARNING: PMK mismatch\n");
+ wpa_hexdump(MSG_DEBUG, "PMK from AS",
+ e->authenticator_pmk, PMK_LEN);
+ } else if (e->radius_access_accept_received)
+ ret = 0;
+ } else if (e->authenticator_pmk_len == 16 &&
+ eapol_sm_get_key(e->wpa_s->eapol, pmk, 16) == 0) {
+ wpa_hexdump(MSG_DEBUG, "LEAP PMK from EAPOL", pmk, 16);
+ if (os_memcmp(pmk, e->authenticator_pmk, 16) != 0) {
+ printf("WARNING: PMK mismatch\n");
+ wpa_hexdump(MSG_DEBUG, "PMK from AS",
+ e->authenticator_pmk, 16);
+ } else if (e->radius_access_accept_received)
+ ret = 0;
+ } else if (e->radius_access_accept_received && e->no_mppe_keys) {
+ /* No keying material expected */
+ ret = 0;
+ }
+
+ if (ret && !e->no_mppe_keys)
+ e->num_mppe_mismatch++;
+ else if (!e->no_mppe_keys)
+ e->num_mppe_ok++;
+
+ return ret;
+}
+
+
+static void eapol_sm_cb(struct eapol_sm *eapol, int success, void *ctx)
+{
+ struct eapol_test_data *e = ctx;
+ printf("eapol_sm_cb: success=%d\n", success);
+ e->eapol_test_num_reauths--;
+ if (e->eapol_test_num_reauths < 0)
+ eloop_terminate();
+ else {
+ eapol_test_compare_pmk(e);
+ eloop_register_timeout(0, 100000, eapol_sm_reauth, e, NULL);
+ }
+}
+
+
+static int test_eapol(struct eapol_test_data *e, struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *ssid)
+{
+ struct eapol_config eapol_conf;
+ struct eapol_ctx *ctx;
+
+ ctx = os_zalloc(sizeof(*ctx));
+ if (ctx == NULL) {
+ printf("Failed to allocate EAPOL context.\n");
+ return -1;
+ }
+ ctx->ctx = wpa_s;
+ ctx->msg_ctx = wpa_s;
+ ctx->scard_ctx = wpa_s->scard;
+ ctx->cb = eapol_sm_cb;
+ ctx->cb_ctx = e;
+ ctx->eapol_send_ctx = wpa_s;
+ ctx->preauth = 0;
+ ctx->eapol_done_cb = eapol_test_eapol_done_cb;
+ ctx->eapol_send = eapol_test_eapol_send;
+ ctx->set_config_blob = eapol_test_set_config_blob;
+ ctx->get_config_blob = eapol_test_get_config_blob;
+ ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
+ ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
+ ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
+
+ wpa_s->eapol = eapol_sm_init(ctx);
+ if (wpa_s->eapol == NULL) {
+ os_free(ctx);
+ printf("Failed to initialize EAPOL state machines.\n");
+ return -1;
+ }
+
+ wpa_s->current_ssid = ssid;
+ os_memset(&eapol_conf, 0, sizeof(eapol_conf));
+ eapol_conf.accept_802_1x_keys = 1;
+ eapol_conf.required_keys = 0;
+ eapol_conf.fast_reauth = wpa_s->conf->fast_reauth;
+ eapol_conf.workaround = ssid->eap_workaround;
+ eapol_sm_notify_config(wpa_s->eapol, &ssid->eap, &eapol_conf);
+ eapol_sm_register_scard_ctx(wpa_s->eapol, wpa_s->scard);
+
+
+ eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
+ /* 802.1X::portControl = Auto */
+ eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
+
+ return 0;
+}
+
+
+static void test_eapol_clean(struct eapol_test_data *e,
+ struct wpa_supplicant *wpa_s)
+{
+ struct extra_radius_attr *p, *prev;
+
+ radius_client_deinit(e->radius);
+ os_free(e->last_eap_radius);
+ radius_msg_free(e->last_recv_radius);
+ e->last_recv_radius = NULL;
+ os_free(e->eap_identity);
+ e->eap_identity = NULL;
+ eapol_sm_deinit(wpa_s->eapol);
+ wpa_s->eapol = NULL;
+ if (e->radius_conf && e->radius_conf->auth_server) {
+ os_free(e->radius_conf->auth_server->shared_secret);
+ os_free(e->radius_conf->auth_server);
+ }
+ os_free(e->radius_conf);
+ e->radius_conf = NULL;
+ scard_deinit(wpa_s->scard);
+ if (wpa_s->ctrl_iface) {
+ wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface);
+ wpa_s->ctrl_iface = NULL;
+ }
+ wpa_config_free(wpa_s->conf);
+
+ p = e->extra_attrs;
+ while (p) {
+ prev = p;
+ p = p->next;
+ os_free(prev);
+ }
+}
+
+
+static void send_eap_request_identity(void *eloop_ctx, void *timeout_ctx)
+{
+ struct wpa_supplicant *wpa_s = eloop_ctx;
+ u8 buf[100], *pos;
+ struct ieee802_1x_hdr *hdr;
+ struct eap_hdr *eap;
+
+ hdr = (struct ieee802_1x_hdr *) buf;
+ hdr->version = EAPOL_VERSION;
+ hdr->type = IEEE802_1X_TYPE_EAP_PACKET;
+ hdr->length = htons(5);
+
+ eap = (struct eap_hdr *) (hdr + 1);
+ eap->code = EAP_CODE_REQUEST;
+ eap->identifier = 0;
+ eap->length = htons(5);
+ pos = (u8 *) (eap + 1);
+ *pos = EAP_TYPE_IDENTITY;
+
+ printf("Sending fake EAP-Request-Identity\n");
+ eapol_sm_rx_eapol(wpa_s->eapol, wpa_s->bssid, buf,
+ sizeof(*hdr) + 5);
+}
+
+
+static void eapol_test_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+ struct eapol_test_data *e = eloop_ctx;
+ printf("EAPOL test timed out\n");
+ e->auth_timed_out = 1;
+ eloop_terminate();
+}
+
+
+static char *eap_type_text(u8 type)
+{
+ switch (type) {
+ case EAP_TYPE_IDENTITY: return "Identity";
+ case EAP_TYPE_NOTIFICATION: return "Notification";
+ case EAP_TYPE_NAK: return "Nak";
+ case EAP_TYPE_TLS: return "TLS";
+ case EAP_TYPE_TTLS: return "TTLS";
+ case EAP_TYPE_PEAP: return "PEAP";
+ case EAP_TYPE_SIM: return "SIM";
+ case EAP_TYPE_GTC: return "GTC";
+ case EAP_TYPE_MD5: return "MD5";
+ case EAP_TYPE_OTP: return "OTP";
+ case EAP_TYPE_FAST: return "FAST";
+ case EAP_TYPE_SAKE: return "SAKE";
+ case EAP_TYPE_PSK: return "PSK";
+ default: return "Unknown";
+ }
+}
+
+
+static void ieee802_1x_decapsulate_radius(struct eapol_test_data *e)
+{
+ u8 *eap;
+ size_t len;
+ struct eap_hdr *hdr;
+ int eap_type = -1;
+ char buf[64];
+ struct radius_msg *msg;
+
+ if (e->last_recv_radius == NULL)
+ return;
+
+ msg = e->last_recv_radius;
+
+ eap = radius_msg_get_eap(msg, &len);
+ if (eap == NULL) {
+ /* draft-aboba-radius-rfc2869bis-20.txt, Chap. 2.6.3:
+ * RADIUS server SHOULD NOT send Access-Reject/no EAP-Message
+ * attribute */
+ wpa_printf(MSG_DEBUG, "could not extract "
+ "EAP-Message from RADIUS message");
+ os_free(e->last_eap_radius);
+ e->last_eap_radius = NULL;
+ e->last_eap_radius_len = 0;
+ return;
+ }
+
+ if (len < sizeof(*hdr)) {
+ wpa_printf(MSG_DEBUG, "too short EAP packet "
+ "received from authentication server");
+ os_free(eap);
+ return;
+ }
+
+ if (len > sizeof(*hdr))
+ eap_type = eap[sizeof(*hdr)];
+
+ hdr = (struct eap_hdr *) eap;
+ switch (hdr->code) {
+ case EAP_CODE_REQUEST:
+ os_snprintf(buf, sizeof(buf), "EAP-Request-%s (%d)",
+ eap_type >= 0 ? eap_type_text(eap_type) : "??",
+ eap_type);
+ break;
+ case EAP_CODE_RESPONSE:
+ os_snprintf(buf, sizeof(buf), "EAP Response-%s (%d)",
+ eap_type >= 0 ? eap_type_text(eap_type) : "??",
+ eap_type);
+ break;
+ case EAP_CODE_SUCCESS:
+ os_strlcpy(buf, "EAP Success", sizeof(buf));
+ /* LEAP uses EAP Success within an authentication, so must not
+ * stop here with eloop_terminate(); */
+ break;
+ case EAP_CODE_FAILURE:
+ os_strlcpy(buf, "EAP Failure", sizeof(buf));
+ eloop_terminate();
+ break;
+ default:
+ os_strlcpy(buf, "unknown EAP code", sizeof(buf));
+ wpa_hexdump(MSG_DEBUG, "Decapsulated EAP packet", eap, len);
+ break;
+ }
+ wpa_printf(MSG_DEBUG, "decapsulated EAP packet (code=%d "
+ "id=%d len=%d) from RADIUS server: %s",
+ hdr->code, hdr->identifier, ntohs(hdr->length), buf);
+
+ /* sta->eapol_sm->be_auth.idFromServer = hdr->identifier; */
+
+ os_free(e->last_eap_radius);
+ e->last_eap_radius = eap;
+ e->last_eap_radius_len = len;
+
+ {
+ struct ieee802_1x_hdr *dot1x;
+ dot1x = os_malloc(sizeof(*dot1x) + len);
+ assert(dot1x != NULL);
+ dot1x->version = EAPOL_VERSION;
+ dot1x->type = IEEE802_1X_TYPE_EAP_PACKET;
+ dot1x->length = htons(len);
+ os_memcpy((u8 *) (dot1x + 1), eap, len);
+ eapol_sm_rx_eapol(e->wpa_s->eapol, e->wpa_s->bssid,
+ (u8 *) dot1x, sizeof(*dot1x) + len);
+ os_free(dot1x);
+ }
+}
+
+
+static void ieee802_1x_get_keys(struct eapol_test_data *e,
+ struct radius_msg *msg, struct radius_msg *req,
+ const u8 *shared_secret,
+ size_t shared_secret_len)
+{
+ struct radius_ms_mppe_keys *keys;
+
+ keys = radius_msg_get_ms_keys(msg, req, shared_secret,
+ shared_secret_len);
+ if (keys && keys->send == NULL && keys->recv == NULL) {
+ os_free(keys);
+ keys = radius_msg_get_cisco_keys(msg, req, shared_secret,
+ shared_secret_len);
+ }
+
+ if (keys) {
+ if (keys->send) {
+ wpa_hexdump(MSG_DEBUG, "MS-MPPE-Send-Key (sign)",
+ keys->send, keys->send_len);
+ }
+ if (keys->recv) {
+ wpa_hexdump(MSG_DEBUG, "MS-MPPE-Recv-Key (crypt)",
+ keys->recv, keys->recv_len);
+ e->authenticator_pmk_len =
+ keys->recv_len > PMK_LEN ? PMK_LEN :
+ keys->recv_len;
+ os_memcpy(e->authenticator_pmk, keys->recv,
+ e->authenticator_pmk_len);
+ if (e->authenticator_pmk_len == 16 && keys->send &&
+ keys->send_len == 16) {
+ /* MS-CHAP-v2 derives 16 octet keys */
+ wpa_printf(MSG_DEBUG, "Use MS-MPPE-Send-Key "
+ "to extend PMK to 32 octets");
+ os_memcpy(e->authenticator_pmk +
+ e->authenticator_pmk_len,
+ keys->send, keys->send_len);
+ e->authenticator_pmk_len += keys->send_len;
+ }
+ }
+
+ os_free(keys->send);
+ os_free(keys->recv);
+ os_free(keys);
+ }
+}
+
+
+/* Process the RADIUS frames from Authentication Server */
+static RadiusRxResult
+ieee802_1x_receive_auth(struct radius_msg *msg, struct radius_msg *req,
+ const u8 *shared_secret, size_t shared_secret_len,
+ void *data)
+{
+ struct eapol_test_data *e = data;
+ struct radius_hdr *hdr = radius_msg_get_hdr(msg);
+
+ /* RFC 2869, Ch. 5.13: valid Message-Authenticator attribute MUST be
+ * present when packet contains an EAP-Message attribute */
+ if (hdr->code == RADIUS_CODE_ACCESS_REJECT &&
+ radius_msg_get_attr(msg, RADIUS_ATTR_MESSAGE_AUTHENTICATOR, NULL,
+ 0) < 0 &&
+ radius_msg_get_attr(msg, RADIUS_ATTR_EAP_MESSAGE, NULL, 0) < 0) {
+ wpa_printf(MSG_DEBUG, "Allowing RADIUS "
+ "Access-Reject without Message-Authenticator "
+ "since it does not include EAP-Message\n");
+ } else if (radius_msg_verify(msg, shared_secret, shared_secret_len,
+ req, 1)) {
+ printf("Incoming RADIUS packet did not have correct "
+ "Message-Authenticator - dropped\n");
+ return RADIUS_RX_UNKNOWN;
+ }
+
+ if (hdr->code != RADIUS_CODE_ACCESS_ACCEPT &&
+ hdr->code != RADIUS_CODE_ACCESS_REJECT &&
+ hdr->code != RADIUS_CODE_ACCESS_CHALLENGE) {
+ printf("Unknown RADIUS message code\n");
+ return RADIUS_RX_UNKNOWN;
+ }
+
+ e->radius_identifier = -1;
+ wpa_printf(MSG_DEBUG, "RADIUS packet matching with station");
+
+ radius_msg_free(e->last_recv_radius);
+ e->last_recv_radius = msg;
+
+ switch (hdr->code) {
+ case RADIUS_CODE_ACCESS_ACCEPT:
+ e->radius_access_accept_received = 1;
+ ieee802_1x_get_keys(e, msg, req, shared_secret,
+ shared_secret_len);
+ break;
+ case RADIUS_CODE_ACCESS_REJECT:
+ e->radius_access_reject_received = 1;
+ break;
+ }
+
+ ieee802_1x_decapsulate_radius(e);
+
+ if ((hdr->code == RADIUS_CODE_ACCESS_ACCEPT &&
+ e->eapol_test_num_reauths < 0) ||
+ hdr->code == RADIUS_CODE_ACCESS_REJECT) {
+ eloop_terminate();
+ }
+
+ return RADIUS_RX_QUEUED;
+}
+
+
+static void wpa_init_conf(struct eapol_test_data *e,
+ struct wpa_supplicant *wpa_s, const char *authsrv,
+ int port, const char *secret,
+ const char *cli_addr)
+{
+ struct hostapd_radius_server *as;
+ int res;
+
+ wpa_s->bssid[5] = 1;
+ os_memcpy(wpa_s->own_addr, e->own_addr, ETH_ALEN);
+ e->own_ip_addr.s_addr = htonl((127 << 24) | 1);
+ os_strlcpy(wpa_s->ifname, "test", sizeof(wpa_s->ifname));
+
+ e->radius_conf = os_zalloc(sizeof(struct hostapd_radius_servers));
+ assert(e->radius_conf != NULL);
+ e->radius_conf->num_auth_servers = 1;
+ as = os_zalloc(sizeof(struct hostapd_radius_server));
+ assert(as != NULL);
+#if defined(CONFIG_NATIVE_WINDOWS) || defined(CONFIG_ANSI_C_EXTRA)
+ {
+ int a[4];
+ u8 *pos;
+ sscanf(authsrv, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3]);
+ pos = (u8 *) &as->addr.u.v4;
+ *pos++ = a[0];
+ *pos++ = a[1];
+ *pos++ = a[2];
+ *pos++ = a[3];
+ }
+#else /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
+ inet_aton(authsrv, &as->addr.u.v4);
+#endif /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
+ as->addr.af = AF_INET;
+ as->port = port;
+ as->shared_secret = (u8 *) os_strdup(secret);
+ as->shared_secret_len = os_strlen(secret);
+ e->radius_conf->auth_server = as;
+ e->radius_conf->auth_servers = as;
+ e->radius_conf->msg_dumps = 1;
+ if (cli_addr) {
+ if (hostapd_parse_ip_addr(cli_addr,
+ &e->radius_conf->client_addr) == 0)
+ e->radius_conf->force_client_addr = 1;
+ else {
+ wpa_printf(MSG_ERROR, "Invalid IP address '%s'",
+ cli_addr);
+ assert(0);
+ }
+ }
+
+ e->radius = radius_client_init(wpa_s, e->radius_conf);
+ assert(e->radius != NULL);
+
+ res = radius_client_register(e->radius, RADIUS_AUTH,
+ ieee802_1x_receive_auth, e);
+ assert(res == 0);
+}
+
+
+static int scard_test(void)
+{
+ struct scard_data *scard;
+ size_t len;
+ char imsi[20];
+ unsigned char _rand[16];
+#ifdef PCSC_FUNCS
+ unsigned char sres[4];
+ unsigned char kc[8];
+#endif /* PCSC_FUNCS */
+#define num_triplets 5
+ unsigned char rand_[num_triplets][16];
+ unsigned char sres_[num_triplets][4];
+ unsigned char kc_[num_triplets][8];
+ int i, res;
+ size_t j;
+
+#define AKA_RAND_LEN 16
+#define AKA_AUTN_LEN 16
+#define AKA_AUTS_LEN 14
+#define RES_MAX_LEN 16
+#define IK_LEN 16
+#define CK_LEN 16
+ unsigned char aka_rand[AKA_RAND_LEN];
+ unsigned char aka_autn[AKA_AUTN_LEN];
+ unsigned char aka_auts[AKA_AUTS_LEN];
+ unsigned char aka_res[RES_MAX_LEN];
+ size_t aka_res_len;
+ unsigned char aka_ik[IK_LEN];
+ unsigned char aka_ck[CK_LEN];
+
+ scard = scard_init(SCARD_TRY_BOTH);
+ if (scard == NULL)
+ return -1;
+ if (scard_set_pin(scard, "1234")) {
+ wpa_printf(MSG_WARNING, "PIN validation failed");
+ scard_deinit(scard);
+ return -1;
+ }
+
+ len = sizeof(imsi);
+ if (scard_get_imsi(scard, imsi, &len))
+ goto failed;
+ wpa_hexdump_ascii(MSG_DEBUG, "SCARD: IMSI", (u8 *) imsi, len);
+ /* NOTE: Permanent Username: 1 | IMSI */
+
+ os_memset(_rand, 0, sizeof(_rand));
+ if (scard_gsm_auth(scard, _rand, sres, kc))
+ goto failed;
+
+ os_memset(_rand, 0xff, sizeof(_rand));
+ if (scard_gsm_auth(scard, _rand, sres, kc))
+ goto failed;
+
+ for (i = 0; i < num_triplets; i++) {
+ os_memset(rand_[i], i, sizeof(rand_[i]));
+ if (scard_gsm_auth(scard, rand_[i], sres_[i], kc_[i]))
+ goto failed;
+ }
+
+ for (i = 0; i < num_triplets; i++) {
+ printf("1");
+ for (j = 0; j < len; j++)
+ printf("%c", imsi[j]);
+ printf(",");
+ for (j = 0; j < 16; j++)
+ printf("%02X", rand_[i][j]);
+ printf(",");
+ for (j = 0; j < 4; j++)
+ printf("%02X", sres_[i][j]);
+ printf(",");
+ for (j = 0; j < 8; j++)
+ printf("%02X", kc_[i][j]);
+ printf("\n");
+ }
+
+ wpa_printf(MSG_DEBUG, "Trying to use UMTS authentication");
+
+ /* seq 39 (0x28) */
+ os_memset(aka_rand, 0xaa, 16);
+ os_memcpy(aka_autn, "\x86\x71\x31\xcb\xa2\xfc\x61\xdf"
+ "\xa3\xb3\x97\x9d\x07\x32\xa2\x12", 16);
+
+ res = scard_umts_auth(scard, aka_rand, aka_autn, aka_res, &aka_res_len,
+ aka_ik, aka_ck, aka_auts);
+ if (res == 0) {
+ wpa_printf(MSG_DEBUG, "UMTS auth completed successfully");
+ wpa_hexdump(MSG_DEBUG, "RES", aka_res, aka_res_len);
+ wpa_hexdump(MSG_DEBUG, "IK", aka_ik, IK_LEN);
+ wpa_hexdump(MSG_DEBUG, "CK", aka_ck, CK_LEN);
+ } else if (res == -2) {
+ wpa_printf(MSG_DEBUG, "UMTS auth resulted in synchronization "
+ "failure");
+ wpa_hexdump(MSG_DEBUG, "AUTS", aka_auts, AKA_AUTS_LEN);
+ } else {
+ wpa_printf(MSG_DEBUG, "UMTS auth failed");
+ }
+
+failed:
+ scard_deinit(scard);
+
+ return 0;
+#undef num_triplets
+}
+
+
+static int scard_get_triplets(int argc, char *argv[])
+{
+ struct scard_data *scard;
+ size_t len;
+ char imsi[20];
+ unsigned char _rand[16];
+ unsigned char sres[4];
+ unsigned char kc[8];
+ int num_triplets;
+ int i;
+ size_t j;
+
+ if (argc < 2 || ((num_triplets = atoi(argv[1])) <= 0)) {
+ printf("invalid parameters for sim command\n");
+ return -1;
+ }
+
+ if (argc <= 2 || os_strcmp(argv[2], "debug") != 0) {
+ /* disable debug output */
+ wpa_debug_level = 99;
+ }
+
+ scard = scard_init(SCARD_GSM_SIM_ONLY);
+ if (scard == NULL) {
+ printf("Failed to open smartcard connection\n");
+ return -1;
+ }
+ if (scard_set_pin(scard, argv[0])) {
+ wpa_printf(MSG_WARNING, "PIN validation failed");
+ scard_deinit(scard);
+ return -1;
+ }
+
+ len = sizeof(imsi);
+ if (scard_get_imsi(scard, imsi, &len)) {
+ scard_deinit(scard);
+ return -1;
+ }
+
+ for (i = 0; i < num_triplets; i++) {
+ os_memset(_rand, i, sizeof(_rand));
+ if (scard_gsm_auth(scard, _rand, sres, kc))
+ break;
+
+ /* IMSI:Kc:SRES:RAND */
+ for (j = 0; j < len; j++)
+ printf("%c", imsi[j]);
+ printf(":");
+ for (j = 0; j < 8; j++)
+ printf("%02X", kc[j]);
+ printf(":");
+ for (j = 0; j < 4; j++)
+ printf("%02X", sres[j]);
+ printf(":");
+ for (j = 0; j < 16; j++)
+ printf("%02X", _rand[j]);
+ printf("\n");
+ }
+
+ scard_deinit(scard);
+
+ return 0;
+}
+
+
+static void eapol_test_terminate(int sig, void *signal_ctx)
+{
+ struct wpa_supplicant *wpa_s = signal_ctx;
+ wpa_msg(wpa_s, MSG_INFO, "Signal %d received - terminating", sig);
+ eloop_terminate();
+}
+
+
+static void usage(void)
+{
+ printf("usage:\n"
+ "eapol_test [-nWS] -c<conf> [-a<AS IP>] [-p<AS port>] "
+ "[-s<AS secret>]\\\n"
+ " [-r<count>] [-t<timeout>] [-C<Connect-Info>] \\\n"
+ " [-M<client MAC address>] \\\n"
+ " [-N<attr spec>] \\\n"
+ " [-A<client IP>]\n"
+ "eapol_test scard\n"
+ "eapol_test sim <PIN> <num triplets> [debug]\n"
+ "\n");
+ printf("options:\n"
+ " -c<conf> = configuration file\n"
+ " -a<AS IP> = IP address of the authentication server, "
+ "default 127.0.0.1\n"
+ " -p<AS port> = UDP port of the authentication server, "
+ "default 1812\n"
+ " -s<AS secret> = shared secret with the authentication "
+ "server, default 'radius'\n"
+ " -A<client IP> = IP address of the client, default: select "
+ "automatically\n"
+ " -r<count> = number of re-authentications\n"
+ " -W = wait for a control interface monitor before starting\n"
+ " -S = save configuration after authentication\n"
+ " -n = no MPPE keys expected\n"
+ " -t<timeout> = sets timeout in seconds (default: 30 s)\n"
+ " -C<Connect-Info> = RADIUS Connect-Info (default: "
+ "CONNECT 11Mbps 802.11b)\n"
+ " -M<client MAC address> = Set own MAC address "
+ "(Calling-Station-Id,\n"
+ " default: 02:00:00:00:00:01)\n"
+ " -N<attr spec> = send arbitrary attribute specified by:\n"
+ " attr_id:syntax:value or attr_id\n"
+ " attr_id - number id of the attribute\n"
+ " syntax - one of: s, d, x\n"
+ " s = string\n"
+ " d = integer\n"
+ " x = octet string\n"
+ " value - attribute value.\n"
+ " When only attr_id is specified, NULL will be used as "
+ "value.\n"
+ " Multiple attributes can be specified by using the "
+ "option several times.\n");
+}
+
+
+int main(int argc, char *argv[])
+{
+ struct wpa_supplicant wpa_s;
+ int c, ret = 1, wait_for_monitor = 0, save_config = 0;
+ char *as_addr = "127.0.0.1";
+ int as_port = 1812;
+ char *as_secret = "radius";
+ char *cli_addr = NULL;
+ char *conf = NULL;
+ int timeout = 30;
+ char *pos;
+ struct extra_radius_attr *p = NULL, *p1;
+
+ if (os_program_init())
+ return -1;
+
+ hostapd_logger_register_cb(hostapd_logger_cb);
+
+ os_memset(&eapol_test, 0, sizeof(eapol_test));
+ eapol_test.connect_info = "CONNECT 11Mbps 802.11b";
+ os_memcpy(eapol_test.own_addr, "\x02\x00\x00\x00\x00\x01", ETH_ALEN);
+
+ wpa_debug_level = 0;
+ wpa_debug_show_keys = 1;
+
+ for (;;) {
+ c = getopt(argc, argv, "a:A:c:C:M:nN:p:r:s:St:W");
+ if (c < 0)
+ break;
+ switch (c) {
+ case 'a':
+ as_addr = optarg;
+ break;
+ case 'A':
+ cli_addr = optarg;
+ break;
+ case 'c':
+ conf = optarg;
+ break;
+ case 'C':
+ eapol_test.connect_info = optarg;
+ break;
+ case 'M':
+ if (hwaddr_aton(optarg, eapol_test.own_addr)) {
+ usage();
+ return -1;
+ }
+ break;
+ case 'n':
+ eapol_test.no_mppe_keys++;
+ break;
+ case 'p':
+ as_port = atoi(optarg);
+ break;
+ case 'r':
+ eapol_test.eapol_test_num_reauths = atoi(optarg);
+ break;
+ case 's':
+ as_secret = optarg;
+ break;
+ case 'S':
+ save_config++;
+ break;
+ case 't':
+ timeout = atoi(optarg);
+ break;
+ case 'W':
+ wait_for_monitor++;
+ break;
+ case 'N':
+ p1 = os_zalloc(sizeof(p1));
+ if (p1 == NULL)
+ break;
+ if (!p)
+ eapol_test.extra_attrs = p1;
+ else
+ p->next = p1;
+ p = p1;
+
+ p->type = atoi(optarg);
+ pos = os_strchr(optarg, ':');
+ if (pos == NULL) {
+ p->syntax = 'n';
+ p->data = NULL;
+ break;
+ }
+
+ pos++;
+ if (pos[0] == '\0' || pos[1] != ':') {
+ printf("Incorrect format of attribute "
+ "specification\n");
+ break;
+ }
+
+ p->syntax = pos[0];
+ p->data = pos + 2;
+ break;
+ default:
+ usage();
+ return -1;
+ }
+ }
+
+ if (argc > optind && os_strcmp(argv[optind], "scard") == 0) {
+ return scard_test();
+ }
+
+ if (argc > optind && os_strcmp(argv[optind], "sim") == 0) {
+ return scard_get_triplets(argc - optind - 1,
+ &argv[optind + 1]);
+ }
+
+ if (conf == NULL) {
+ usage();
+ printf("Configuration file is required.\n");
+ return -1;
+ }
+
+ if (eap_register_methods()) {
+ wpa_printf(MSG_ERROR, "Failed to register EAP methods");
+ return -1;
+ }
+
+ if (eloop_init()) {
+ wpa_printf(MSG_ERROR, "Failed to initialize event loop");
+ return -1;
+ }
+
+ os_memset(&wpa_s, 0, sizeof(wpa_s));
+ eapol_test.wpa_s = &wpa_s;
+ wpa_s.conf = wpa_config_read(conf);
+ if (wpa_s.conf == NULL) {
+ printf("Failed to parse configuration file '%s'.\n", conf);
+ return -1;
+ }
+ if (wpa_s.conf->ssid == NULL) {
+ printf("No networks defined.\n");
+ return -1;
+ }
+
+ wpa_init_conf(&eapol_test, &wpa_s, as_addr, as_port, as_secret,
+ cli_addr);
+ wpa_s.ctrl_iface = wpa_supplicant_ctrl_iface_init(&wpa_s);
+ if (wpa_s.ctrl_iface == NULL) {
+ printf("Failed to initialize control interface '%s'.\n"
+ "You may have another eapol_test process already "
+ "running or the file was\n"
+ "left by an unclean termination of eapol_test in "
+ "which case you will need\n"
+ "to manually remove this file before starting "
+ "eapol_test again.\n",
+ wpa_s.conf->ctrl_interface);
+ return -1;
+ }
+ if (wpa_supplicant_scard_init(&wpa_s, wpa_s.conf->ssid))
+ return -1;
+
+ if (test_eapol(&eapol_test, &wpa_s, wpa_s.conf->ssid))
+ return -1;
+
+ if (wait_for_monitor)
+ wpa_supplicant_ctrl_iface_wait(wpa_s.ctrl_iface);
+
+ eloop_register_timeout(timeout, 0, eapol_test_timeout, &eapol_test,
+ NULL);
+ eloop_register_timeout(0, 0, send_eap_request_identity, &wpa_s, NULL);
+ eloop_register_signal_terminate(eapol_test_terminate, &wpa_s);
+ eloop_register_signal_reconfig(eapol_test_terminate, &wpa_s);
+ eloop_run();
+
+ eloop_cancel_timeout(eapol_test_timeout, &eapol_test, NULL);
+ eloop_cancel_timeout(eapol_sm_reauth, &eapol_test, NULL);
+
+ if (eapol_test_compare_pmk(&eapol_test) == 0 ||
+ eapol_test.no_mppe_keys)
+ ret = 0;
+ if (eapol_test.auth_timed_out)
+ ret = -2;
+ if (eapol_test.radius_access_reject_received)
+ ret = -3;
+
+ if (save_config)
+ wpa_config_write(conf, wpa_s.conf);
+
+ test_eapol_clean(&eapol_test, &wpa_s);
+
+ eap_peer_unregister_methods();
+#ifdef CONFIG_AP
+ eap_server_unregister_methods();
+#endif /* CONFIG_AP */
+
+ eloop_destroy();
+
+ printf("MPPE keys OK: %d mismatch: %d\n",
+ eapol_test.num_mppe_ok, eapol_test.num_mppe_mismatch);
+ if (eapol_test.num_mppe_mismatch)
+ ret = -4;
+ if (ret)
+ printf("FAILURE\n");
+ else
+ printf("SUCCESS\n");
+
+ os_program_deinit();
+
+ return ret;
+}