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* WPA Supplicant - test code for pre-authentication
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* Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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* Alternatively, this software may be distributed under the terms of BSD
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* See README and COPYING for more details.
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* IEEE 802.1X Supplicant test code (to be used in place of wpa_supplicant.c.
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* Not used in production version.
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#include "eap_peer/eap.h"
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#include "wpa_supplicant_i.h"
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#include "l2_packet/l2_packet.h"
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#include "ctrl_iface.h"
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#include "pcsc_funcs.h"
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#include "pmksa_cache.h"
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extern int wpa_debug_level;
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extern int wpa_debug_show_keys;
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struct wpa_driver_ops *wpa_supplicant_drivers[] = { NULL };
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struct preauth_test_data {
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static void _wpa_supplicant_req_scan(void *wpa_s, int sec, int usec)
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wpa_supplicant_req_scan(wpa_s, sec, usec);
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static void _wpa_supplicant_cancel_scan(void *wpa_s)
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wpa_supplicant_cancel_scan(wpa_s);
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static void _wpa_supplicant_disassociate(void *wpa_s, int reason_code)
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wpa_supplicant_disassociate(wpa_s, reason_code);
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static void _wpa_supplicant_deauthenticate(void *wpa_s, int reason_code)
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wpa_supplicant_deauthenticate(wpa_s, reason_code);
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static u8 * wpa_alloc_eapol(const struct wpa_supplicant *wpa_s, u8 type,
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const void *data, u16 data_len,
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size_t *msg_len, void **data_pos)
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struct ieee802_1x_hdr *hdr;
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*msg_len = sizeof(*hdr) + data_len;
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hdr = os_malloc(*msg_len);
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hdr->version = wpa_s->conf->eapol_version;
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hdr->length = htons(data_len);
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os_memcpy(hdr + 1, data, data_len);
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os_memset(hdr + 1, 0, data_len);
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static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type,
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const void *data, u16 data_len,
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size_t *msg_len, void **data_pos)
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return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos);
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static void _wpa_supplicant_set_state(void *ctx, wpa_states state)
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struct wpa_supplicant *wpa_s = ctx;
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wpa_s->wpa_state = state;
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static wpa_states _wpa_supplicant_get_state(void *ctx)
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struct wpa_supplicant *wpa_s = ctx;
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return wpa_s->wpa_state;
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static int wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto,
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const u8 *buf, size_t len)
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printf("%s - not implemented\n", __func__);
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static struct wpa_ssid * _wpa_supplicant_get_ssid(void *wpa_s)
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return wpa_supplicant_get_ssid(wpa_s);
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static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s)
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wpa_supplicant_cancel_auth_timeout(wpa_s);
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static int wpa_supplicant_get_beacon_ie(void *wpa_s)
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printf("%s - not implemented\n", __func__);
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static int wpa_supplicant_get_bssid(void *wpa_s, u8 *bssid)
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printf("%s - not implemented\n", __func__);
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static int wpa_supplicant_set_key(void *wpa_s, wpa_alg alg,
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const u8 *addr, int key_idx, int set_tx,
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const u8 *seq, size_t seq_len,
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const u8 *key, size_t key_len)
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printf("%s - not implemented\n", __func__);
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static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr,
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printf("%s - not implemented\n", __func__);
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static int wpa_supplicant_add_pmkid(void *wpa_s,
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const u8 *bssid, const u8 *pmkid)
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printf("%s - not implemented\n", __func__);
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static int wpa_supplicant_remove_pmkid(void *wpa_s,
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const u8 *bssid, const u8 *pmkid)
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printf("%s - not implemented\n", __func__);
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static void wpa_supplicant_set_config_blob(void *ctx,
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struct wpa_config_blob *blob)
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struct wpa_supplicant *wpa_s = ctx;
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wpa_config_set_blob(wpa_s->conf, blob);
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static const struct wpa_config_blob *
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wpa_supplicant_get_config_blob(void *ctx, const char *name)
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struct wpa_supplicant *wpa_s = ctx;
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return wpa_config_get_blob(wpa_s->conf, name);
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static void test_eapol_clean(struct wpa_supplicant *wpa_s)
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rsn_preauth_deinit(wpa_s->wpa);
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pmksa_candidate_free(wpa_s->wpa);
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wpa_sm_deinit(wpa_s->wpa);
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scard_deinit(wpa_s->scard);
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if (wpa_s->ctrl_iface) {
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wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface);
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wpa_s->ctrl_iface = NULL;
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wpa_config_free(wpa_s->conf);
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static void eapol_test_timeout(void *eloop_ctx, void *timeout_ctx)
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struct preauth_test_data *p = eloop_ctx;
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printf("EAPOL test timed out\n");
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p->auth_timed_out = 1;
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static void eapol_test_poll(void *eloop_ctx, void *timeout_ctx)
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struct wpa_supplicant *wpa_s = eloop_ctx;
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if (!rsn_preauth_in_progress(wpa_s->wpa))
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eloop_register_timeout(0, 100000, eapol_test_poll, eloop_ctx,
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static struct wpa_driver_ops dummy_driver;
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static void wpa_init_conf(struct wpa_supplicant *wpa_s, const char *ifname)
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struct l2_packet_data *l2;
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struct wpa_sm_ctx *ctx;
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os_memset(&dummy_driver, 0, sizeof(dummy_driver));
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wpa_s->driver = &dummy_driver;
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ctx = os_zalloc(sizeof(*ctx));
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ctx->set_state = _wpa_supplicant_set_state;
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ctx->get_state = _wpa_supplicant_get_state;
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ctx->req_scan = _wpa_supplicant_req_scan;
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ctx->cancel_scan = _wpa_supplicant_cancel_scan;
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ctx->deauthenticate = _wpa_supplicant_deauthenticate;
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ctx->disassociate = _wpa_supplicant_disassociate;
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ctx->set_key = wpa_supplicant_set_key;
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ctx->get_ssid = _wpa_supplicant_get_ssid;
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ctx->get_bssid = wpa_supplicant_get_bssid;
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ctx->ether_send = wpa_ether_send;
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ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie;
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ctx->alloc_eapol = _wpa_alloc_eapol;
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ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout;
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ctx->add_pmkid = wpa_supplicant_add_pmkid;
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ctx->remove_pmkid = wpa_supplicant_remove_pmkid;
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ctx->set_config_blob = wpa_supplicant_set_config_blob;
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ctx->get_config_blob = wpa_supplicant_get_config_blob;
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ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection;
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wpa_s->wpa = wpa_sm_init(ctx);
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assert(wpa_s->wpa != NULL);
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wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PROTO, WPA_PROTO_RSN);
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os_strlcpy(wpa_s->ifname, ifname, sizeof(wpa_s->ifname));
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wpa_sm_set_ifname(wpa_s->wpa, wpa_s->ifname, NULL);
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l2 = l2_packet_init(wpa_s->ifname, NULL, ETH_P_RSN_PREAUTH, NULL,
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if (l2_packet_get_own_addr(l2, wpa_s->own_addr)) {
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wpa_printf(MSG_WARNING, "Failed to get own L2 address\n");
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l2_packet_deinit(l2);
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wpa_sm_set_own_addr(wpa_s->wpa, wpa_s->own_addr);
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static void eapol_test_terminate(int sig, void *eloop_ctx,
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struct wpa_supplicant *wpa_s = eloop_ctx;
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wpa_msg(wpa_s, MSG_INFO, "Signal %d received - terminating", sig);
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int main(int argc, char *argv[])
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struct wpa_supplicant wpa_s;
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struct preauth_test_data preauth_test;
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if (os_program_init())
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os_memset(&preauth_test, 0, sizeof(preauth_test));
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wpa_debug_show_keys = 1;
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printf("usage: preauth_test <conf> <target MAC address> "
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if (hwaddr_aton(argv[2], bssid)) {
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printf("Failed to parse target address '%s'.\n", argv[2]);
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if (eap_peer_register_methods()) {
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wpa_printf(MSG_ERROR, "Failed to register EAP methods");
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if (eloop_init(&wpa_s)) {
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wpa_printf(MSG_ERROR, "Failed to initialize event loop");
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os_memset(&wpa_s, 0, sizeof(wpa_s));
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wpa_s.conf = wpa_config_read(argv[1]);
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if (wpa_s.conf == NULL) {
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printf("Failed to parse configuration file '%s'.\n", argv[1]);
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if (wpa_s.conf->ssid == NULL) {
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printf("No networks defined.\n");
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wpa_init_conf(&wpa_s, argv[3]);
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wpa_s.ctrl_iface = wpa_supplicant_ctrl_iface_init(&wpa_s);
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if (wpa_s.ctrl_iface == NULL) {
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printf("Failed to initialize control interface '%s'.\n"
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"You may have another preauth_test process already "
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"running or the file was\n"
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"left by an unclean termination of preauth_test in "
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"which case you will need\n"
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"to manually remove this file before starting "
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"preauth_test again.\n",
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wpa_s.conf->ctrl_interface);
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if (wpa_supplicant_scard_init(&wpa_s, wpa_s.conf->ssid))
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if (rsn_preauth_init(wpa_s.wpa, bssid, wpa_s.conf->ssid))
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eloop_register_timeout(30, 0, eapol_test_timeout, &preauth_test, NULL);
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eloop_register_timeout(0, 100000, eapol_test_poll, &wpa_s, NULL);
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eloop_register_signal_terminate(eapol_test_terminate, NULL);
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eloop_register_signal_reconfig(eapol_test_terminate, NULL);
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if (preauth_test.auth_timed_out)
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ret = pmksa_cache_set_current(wpa_s.wpa, NULL, bssid, NULL, 0)
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test_eapol_clean(&wpa_s);
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eap_peer_unregister_methods();
added
removed
wpa_supplicant/preauth_test.c
