2 * Test program for combined WPA authenticator/supplicant
3 * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
13 #include "common/ieee802_11_defs.h"
14 #include "../config.h"
15 #include "rsn_supp/wpa.h"
16 #include "rsn_supp/wpa_ie.h"
17 #include "../hostapd/wpa.h"
20 extern int wpa_debug_level;
21 extern int wpa_debug_show_keys;
25 u8 auth_addr[ETH_ALEN];
26 u8 supp_addr[ETH_ALEN];
29 /* from authenticator */
30 u8 auth_eapol_dst[ETH_ALEN];
32 size_t auth_eapol_len;
36 size_t supp_eapol_len;
39 struct wpa_authenticator *auth_group;
40 struct wpa_state_machine *auth;
48 static int supp_get_bssid(void *ctx, u8 *bssid)
50 struct wpa *wpa = ctx;
51 wpa_printf(MSG_DEBUG, "SUPP: %s", __func__);
52 os_memcpy(bssid, wpa->auth_addr, ETH_ALEN);
57 static void supp_set_state(void *ctx, enum wpa_states state)
59 wpa_printf(MSG_DEBUG, "SUPP: %s(state=%d)", __func__, state);
63 static void auth_eapol_rx(void *eloop_data, void *user_ctx)
65 struct wpa *wpa = eloop_data;
67 wpa_printf(MSG_DEBUG, "AUTH: RX EAPOL frame");
68 wpa_receive(wpa->auth_group, wpa->auth, wpa->supp_eapol,
73 static int supp_ether_send(void *ctx, const u8 *dest, u16 proto, const u8 *buf,
76 struct wpa *wpa = ctx;
78 wpa_printf(MSG_DEBUG, "SUPP: %s(dest=" MACSTR " proto=0x%04x "
80 __func__, MAC2STR(dest), proto, (unsigned long) len);
82 os_free(wpa->supp_eapol);
83 wpa->supp_eapol = os_malloc(len);
84 if (wpa->supp_eapol == NULL)
86 os_memcpy(wpa->supp_eapol, buf, len);
87 wpa->supp_eapol_len = len;
88 eloop_register_timeout(0, 0, auth_eapol_rx, wpa, NULL);
94 static u8 * supp_alloc_eapol(void *ctx, u8 type, const void *data,
95 u16 data_len, size_t *msg_len, void **data_pos)
97 struct ieee802_1x_hdr *hdr;
99 wpa_printf(MSG_DEBUG, "SUPP: %s(type=%d data_len=%d)",
100 __func__, type, data_len);
102 *msg_len = sizeof(*hdr) + data_len;
103 hdr = os_malloc(*msg_len);
109 hdr->length = host_to_be16(data_len);
112 os_memcpy(hdr + 1, data, data_len);
114 os_memset(hdr + 1, 0, data_len);
123 static int supp_get_beacon_ie(void *ctx)
125 struct wpa *wpa = ctx;
129 wpa_printf(MSG_DEBUG, "SUPP: %s", __func__);
131 ie = wpa_auth_get_wpa_ie(wpa->auth_group, &ielen);
132 if (ie == NULL || ielen < 1)
134 if (ie[0] == WLAN_EID_RSN)
135 return wpa_sm_set_ap_rsn_ie(wpa->supp, ie, 2 + ie[1]);
136 return wpa_sm_set_ap_wpa_ie(wpa->supp, ie, 2 + ie[1]);
140 static int supp_set_key(void *ctx, enum wpa_alg alg,
141 const u8 *addr, int key_idx, int set_tx,
142 const u8 *seq, size_t seq_len,
143 const u8 *key, size_t key_len)
145 wpa_printf(MSG_DEBUG, "SUPP: %s(alg=%d addr=" MACSTR " key_idx=%d "
147 __func__, alg, MAC2STR(addr), key_idx, set_tx);
148 wpa_hexdump(MSG_DEBUG, "SUPP: set_key - seq", seq, seq_len);
149 wpa_hexdump(MSG_DEBUG, "SUPP: set_key - key", key, key_len);
154 static int supp_mlme_setprotection(void *ctx, const u8 *addr,
155 int protection_type, int key_type)
157 wpa_printf(MSG_DEBUG, "SUPP: %s(addr=" MACSTR " protection_type=%d "
159 __func__, MAC2STR(addr), protection_type, key_type);
164 static void supp_cancel_auth_timeout(void *ctx)
166 wpa_printf(MSG_DEBUG, "SUPP: %s", __func__);
170 static int supp_init(struct wpa *wpa)
172 struct wpa_sm_ctx *ctx = os_zalloc(sizeof(*ctx));
178 ctx->set_state = supp_set_state;
179 ctx->get_bssid = supp_get_bssid;
180 ctx->ether_send = supp_ether_send;
181 ctx->get_beacon_ie = supp_get_beacon_ie;
182 ctx->alloc_eapol = supp_alloc_eapol;
183 ctx->set_key = supp_set_key;
184 ctx->mlme_setprotection = supp_mlme_setprotection;
185 ctx->cancel_auth_timeout = supp_cancel_auth_timeout;
186 wpa->supp = wpa_sm_init(ctx);
187 if (wpa->supp == NULL) {
188 wpa_printf(MSG_DEBUG, "SUPP: wpa_sm_init() failed");
192 wpa_sm_set_own_addr(wpa->supp, wpa->supp_addr);
193 wpa_sm_set_param(wpa->supp, WPA_PARAM_RSN_ENABLED, 1);
194 wpa_sm_set_param(wpa->supp, WPA_PARAM_PROTO, WPA_PROTO_RSN);
195 wpa_sm_set_param(wpa->supp, WPA_PARAM_PAIRWISE, WPA_CIPHER_CCMP);
196 wpa_sm_set_param(wpa->supp, WPA_PARAM_GROUP, WPA_CIPHER_CCMP);
197 wpa_sm_set_param(wpa->supp, WPA_PARAM_KEY_MGMT, WPA_KEY_MGMT_PSK);
198 wpa_sm_set_pmk(wpa->supp, wpa->psk, PMK_LEN);
200 wpa->supp_ie_len = sizeof(wpa->supp_ie);
201 if (wpa_sm_set_assoc_wpa_ie_default(wpa->supp, wpa->supp_ie,
202 &wpa->supp_ie_len) < 0) {
203 wpa_printf(MSG_DEBUG, "SUPP: wpa_sm_set_assoc_wpa_ie_default()"
208 wpa_sm_notify_assoc(wpa->supp, wpa->auth_addr);
214 static void auth_logger(void *ctx, const u8 *addr, logger_level level,
218 wpa_printf(MSG_DEBUG, "AUTH: " MACSTR " - %s",
221 wpa_printf(MSG_DEBUG, "AUTH: %s", txt);
225 static void supp_eapol_rx(void *eloop_data, void *user_ctx)
227 struct wpa *wpa = eloop_data;
229 wpa_printf(MSG_DEBUG, "SUPP: RX EAPOL frame");
230 wpa_sm_rx_eapol(wpa->supp, wpa->auth_addr, wpa->auth_eapol,
231 wpa->auth_eapol_len);
235 static int auth_send_eapol(void *ctx, const u8 *addr, const u8 *data,
236 size_t data_len, int encrypt)
238 struct wpa *wpa = ctx;
240 wpa_printf(MSG_DEBUG, "AUTH: %s(addr=" MACSTR " data_len=%lu "
242 __func__, MAC2STR(addr), (unsigned long) data_len, encrypt);
244 os_free(wpa->auth_eapol);
245 wpa->auth_eapol = os_malloc(data_len);
246 if (wpa->auth_eapol == NULL)
248 os_memcpy(wpa->auth_eapol_dst, addr, ETH_ALEN);
249 os_memcpy(wpa->auth_eapol, data, data_len);
250 wpa->auth_eapol_len = data_len;
251 eloop_register_timeout(0, 0, supp_eapol_rx, wpa, NULL);
257 static const u8 * auth_get_psk(void *ctx, const u8 *addr, const u8 *prev_psk)
259 struct wpa *wpa = ctx;
260 wpa_printf(MSG_DEBUG, "AUTH: %s (addr=" MACSTR " prev_psk=%p)",
261 __func__, MAC2STR(addr), prev_psk);
268 static int auth_init_group(struct wpa *wpa)
270 struct wpa_auth_config conf;
271 struct wpa_auth_callbacks cb;
273 wpa_printf(MSG_DEBUG, "AUTH: Initializing group state machine");
275 os_memset(&conf, 0, sizeof(conf));
277 conf.wpa_key_mgmt = WPA_KEY_MGMT_PSK;
278 conf.wpa_pairwise = WPA_CIPHER_CCMP;
279 conf.rsn_pairwise = WPA_CIPHER_CCMP;
280 conf.wpa_group = WPA_CIPHER_CCMP;
281 conf.eapol_version = 2;
283 os_memset(&cb, 0, sizeof(cb));
285 cb.logger = auth_logger;
286 cb.send_eapol = auth_send_eapol;
287 cb.get_psk = auth_get_psk;
289 wpa->auth_group = wpa_init(wpa->auth_addr, &conf, &cb);
290 if (wpa->auth_group == NULL) {
291 wpa_printf(MSG_DEBUG, "AUTH: wpa_init() failed");
299 static int auth_init(struct wpa *wpa)
301 wpa->auth = wpa_auth_sta_init(wpa->auth_group, wpa->supp_addr);
302 if (wpa->auth == NULL) {
303 wpa_printf(MSG_DEBUG, "AUTH: wpa_auth_sta_init() failed");
307 if (wpa_validate_wpa_ie(wpa->auth_group, wpa->auth, wpa->supp_ie,
308 wpa->supp_ie_len, NULL, 0) != WPA_IE_OK) {
309 wpa_printf(MSG_DEBUG, "AUTH: wpa_validate_wpa_ie() failed");
313 wpa_auth_sm_event(wpa->auth, WPA_ASSOC);
315 wpa_auth_sta_associated(wpa->auth_group, wpa->auth);
321 static void deinit(struct wpa *wpa)
323 wpa_auth_sta_deinit(wpa->auth);
324 wpa_sm_deinit(wpa->supp);
325 wpa_deinit(wpa->auth_group);
326 os_free(wpa->auth_eapol);
327 wpa->auth_eapol = NULL;
328 os_free(wpa->supp_eapol);
329 wpa->supp_eapol = NULL;
333 int main(int argc, char *argv[])
337 if (os_program_init())
340 os_memset(&wpa, 0, sizeof(wpa));
341 os_memset(wpa.auth_addr, 0x12, ETH_ALEN);
342 os_memset(wpa.supp_addr, 0x32, ETH_ALEN);
343 os_memset(wpa.psk, 0x44, PMK_LEN);
346 wpa_debug_show_keys = 1;
349 wpa_printf(MSG_ERROR, "Failed to initialize event loop");
353 if (auth_init_group(&wpa) < 0)
356 if (supp_init(&wpa) < 0)
359 if (auth_init(&wpa) < 0)
362 wpa_printf(MSG_DEBUG, "Starting eloop");
364 wpa_printf(MSG_DEBUG, "eloop done");