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* Test program for combined WPA authenticator/supplicant
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* Copyright (c) 2006-2007, 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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#include "ieee802_11_defs.h"
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#include "../hostapd/wpa.h"
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extern int wpa_debug_level;
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extern int wpa_debug_show_keys;
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u8 auth_addr[ETH_ALEN];
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u8 supp_addr[ETH_ALEN];
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/* from authenticator */
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u8 auth_eapol_dst[ETH_ALEN];
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size_t auth_eapol_len;
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size_t supp_eapol_len;
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struct wpa_authenticator *auth_group;
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struct wpa_state_machine *auth;
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static struct wpa_ssid * supp_get_ssid(void *ctx)
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struct wpa *wpa = ctx;
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wpa_printf(MSG_DEBUG, "SUPP: %s", __func__);
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static int supp_get_bssid(void *ctx, u8 *bssid)
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struct wpa *wpa = ctx;
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wpa_printf(MSG_DEBUG, "SUPP: %s", __func__);
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os_memcpy(bssid, wpa->auth_addr, ETH_ALEN);
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static void supp_set_state(void *ctx, wpa_states state)
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wpa_printf(MSG_DEBUG, "SUPP: %s(state=%d)", __func__, state);
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static void auth_eapol_rx(void *eloop_data, void *user_ctx)
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struct wpa *wpa = eloop_data;
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wpa_printf(MSG_DEBUG, "AUTH: RX EAPOL frame");
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wpa_receive(wpa->auth_group, wpa->auth, wpa->supp_eapol,
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static int supp_ether_send(void *ctx, const u8 *dest, u16 proto, const u8 *buf,
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struct wpa *wpa = ctx;
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wpa_printf(MSG_DEBUG, "SUPP: %s(dest=" MACSTR " proto=0x%04x "
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__func__, MAC2STR(dest), proto, (unsigned long) len);
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os_free(wpa->supp_eapol);
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wpa->supp_eapol = os_malloc(len);
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if (wpa->supp_eapol == NULL)
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os_memcpy(wpa->supp_eapol, buf, len);
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wpa->supp_eapol_len = len;
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eloop_register_timeout(0, 0, auth_eapol_rx, wpa, NULL);
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static u8 * supp_alloc_eapol(void *ctx, u8 type, const void *data,
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u16 data_len, size_t *msg_len, void **data_pos)
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struct ieee802_1x_hdr *hdr;
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wpa_printf(MSG_DEBUG, "SUPP: %s(type=%d data_len=%d)",
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__func__, type, data_len);
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*msg_len = sizeof(*hdr) + data_len;
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hdr = os_malloc(*msg_len);
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hdr->length = host_to_be16(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 int supp_get_beacon_ie(void *ctx)
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struct wpa *wpa = ctx;
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wpa_printf(MSG_DEBUG, "SUPP: %s", __func__);
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ie = wpa_auth_get_wpa_ie(wpa->auth_group, &ielen);
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if (ie == NULL || ielen < 1)
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if (ie[0] == WLAN_EID_RSN)
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return wpa_sm_set_ap_rsn_ie(wpa->supp, ie, 2 + ie[1]);
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return wpa_sm_set_ap_wpa_ie(wpa->supp, ie, 2 + ie[1]);
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static int supp_set_key(void *ctx, 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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wpa_printf(MSG_DEBUG, "SUPP: %s(alg=%d addr=" MACSTR " key_idx=%d "
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__func__, alg, MAC2STR(addr), key_idx, set_tx);
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wpa_hexdump(MSG_DEBUG, "SUPP: set_key - seq", seq, seq_len);
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wpa_hexdump(MSG_DEBUG, "SUPP: set_key - key", key, key_len);
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static int supp_mlme_setprotection(void *ctx, const u8 *addr,
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int protection_type, int key_type)
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wpa_printf(MSG_DEBUG, "SUPP: %s(addr=" MACSTR " protection_type=%d "
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__func__, MAC2STR(addr), protection_type, key_type);
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static void supp_cancel_scan(void *ctx)
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wpa_printf(MSG_DEBUG, "SUPP: %s", __func__);
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static void supp_cancel_auth_timeout(void *ctx)
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wpa_printf(MSG_DEBUG, "SUPP: %s", __func__);
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static int supp_init(struct wpa *wpa)
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struct wpa_sm_ctx *ctx = os_zalloc(sizeof(*ctx));
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ctx->set_state = supp_set_state;
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ctx->get_ssid = supp_get_ssid;
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ctx->get_bssid = supp_get_bssid;
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ctx->ether_send = supp_ether_send;
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ctx->get_beacon_ie = supp_get_beacon_ie;
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ctx->alloc_eapol = supp_alloc_eapol;
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ctx->set_key = supp_set_key;
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ctx->mlme_setprotection = supp_mlme_setprotection;
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ctx->cancel_scan = supp_cancel_scan;
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ctx->cancel_auth_timeout = supp_cancel_auth_timeout;
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wpa->supp = wpa_sm_init(ctx);
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if (wpa->supp == NULL) {
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wpa_printf(MSG_DEBUG, "SUPP: wpa_sm_init() failed");
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wpa_sm_set_own_addr(wpa->supp, wpa->supp_addr);
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wpa_sm_set_param(wpa->supp, WPA_PARAM_RSN_ENABLED, 1);
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wpa_sm_set_param(wpa->supp, WPA_PARAM_PROTO, WPA_PROTO_RSN);
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wpa_sm_set_param(wpa->supp, WPA_PARAM_PAIRWISE, WPA_CIPHER_CCMP);
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wpa_sm_set_param(wpa->supp, WPA_PARAM_GROUP, WPA_CIPHER_CCMP);
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wpa_sm_set_param(wpa->supp, WPA_PARAM_KEY_MGMT, WPA_KEY_MGMT_PSK);
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wpa_sm_set_pmk(wpa->supp, wpa->psk, PMK_LEN);
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wpa->supp_ie_len = sizeof(wpa->supp_ie);
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if (wpa_sm_set_assoc_wpa_ie_default(wpa->supp, wpa->supp_ie,
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&wpa->supp_ie_len) < 0) {
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wpa_printf(MSG_DEBUG, "SUPP: wpa_sm_set_assoc_wpa_ie_default()"
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wpa_sm_notify_assoc(wpa->supp, wpa->auth_addr);
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static void auth_logger(void *ctx, const u8 *addr, logger_level level,
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wpa_printf(MSG_DEBUG, "AUTH: " MACSTR " - %s",
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wpa_printf(MSG_DEBUG, "AUTH: %s", txt);
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static void supp_eapol_rx(void *eloop_data, void *user_ctx)
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struct wpa *wpa = eloop_data;
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wpa_printf(MSG_DEBUG, "SUPP: RX EAPOL frame");
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wpa_sm_rx_eapol(wpa->supp, wpa->auth_addr, wpa->auth_eapol,
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wpa->auth_eapol_len);
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static int auth_send_eapol(void *ctx, const u8 *addr, const u8 *data,
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size_t data_len, int encrypt)
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struct wpa *wpa = ctx;
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wpa_printf(MSG_DEBUG, "AUTH: %s(addr=" MACSTR " data_len=%lu "
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__func__, MAC2STR(addr), (unsigned long) data_len, encrypt);
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os_free(wpa->auth_eapol);
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wpa->auth_eapol = os_malloc(data_len);
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if (wpa->auth_eapol == NULL)
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os_memcpy(wpa->auth_eapol_dst, addr, ETH_ALEN);
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os_memcpy(wpa->auth_eapol, data, data_len);
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wpa->auth_eapol_len = data_len;
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eloop_register_timeout(0, 0, supp_eapol_rx, wpa, NULL);
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static const u8 * auth_get_psk(void *ctx, const u8 *addr, const u8 *prev_psk)
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struct wpa *wpa = ctx;
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wpa_printf(MSG_DEBUG, "AUTH: %s (addr=" MACSTR " prev_psk=%p)",
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__func__, MAC2STR(addr), prev_psk);
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static int auth_init_group(struct wpa *wpa)
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struct wpa_auth_config conf;
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struct wpa_auth_callbacks cb;
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wpa_printf(MSG_DEBUG, "AUTH: Initializing group state machine");
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os_memset(&conf, 0, sizeof(conf));
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conf.wpa_key_mgmt = 2; /* PSK */
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conf.wpa_pairwise = 16; /* CCMP */
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conf.wpa_group = 16; /* CCMP */
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conf.eapol_version = 2;
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os_memset(&cb, 0, sizeof(cb));
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cb.logger = auth_logger;
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cb.send_eapol = auth_send_eapol;
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cb.get_psk = auth_get_psk;
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wpa->auth_group = wpa_init(wpa->auth_addr, &conf, &cb);
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if (wpa->auth_group == NULL) {
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wpa_printf(MSG_DEBUG, "AUTH: wpa_init() failed");
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static int auth_init(struct wpa *wpa)
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wpa->auth = wpa_auth_sta_init(wpa->auth_group, wpa->supp_addr);
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if (wpa->auth == NULL) {
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wpa_printf(MSG_DEBUG, "AUTH: wpa_auth_sta_init() failed");
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if (wpa_validate_wpa_ie(wpa->auth_group, wpa->auth, wpa->supp_ie,
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wpa->supp_ie_len, NULL, 0) != WPA_IE_OK) {
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wpa_printf(MSG_DEBUG, "AUTH: wpa_validate_wpa_ie() failed");
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wpa_auth_sm_event(wpa->auth, WPA_ASSOC);
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wpa_auth_sta_associated(wpa->auth_group, wpa->auth);
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static void deinit(struct wpa *wpa)
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wpa_auth_sta_deinit(wpa->auth);
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wpa_sm_deinit(wpa->supp);
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wpa_deinit(wpa->auth_group);
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os_free(wpa->auth_eapol);
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wpa->auth_eapol = NULL;
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os_free(wpa->supp_eapol);
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wpa->supp_eapol = NULL;
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int main(int argc, char *argv[])
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if (os_program_init())
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os_memset(&wpa, 0, sizeof(wpa));
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os_memset(wpa.auth_addr, 0x12, ETH_ALEN);
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os_memset(wpa.supp_addr, 0x32, ETH_ALEN);
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os_memset(wpa.psk, 0x44, PMK_LEN);
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wpa_debug_show_keys = 1;
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if (eloop_init(&wpa)) {
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wpa_printf(MSG_ERROR, "Failed to initialize event loop");
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if (auth_init_group(&wpa) < 0)
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if (supp_init(&wpa) < 0)
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if (auth_init(&wpa) < 0)
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wpa_printf(MSG_DEBUG, "Starting eloop");
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wpa_printf(MSG_DEBUG, "eloop done");
added
removed
wpa_supplicant/tests/test_wpa.c
