2 * WPA Supplicant - test code for pre-authentication
3 * Copyright (c) 2003-2006, Jouni Malinen <j@w1.fi>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
9 * Alternatively, this software may be distributed under the terms of BSD
12 * See README and COPYING for more details.
14 * IEEE 802.1X Supplicant test code (to be used in place of wpa_supplicant.c.
15 * Not used in production version.
27 #include "wpa_supplicant.h"
28 #include "wpa_supplicant_i.h"
29 #include "l2_packet.h"
30 #include "ctrl_iface.h"
31 #include "pcsc_funcs.h"
33 #include "pmksa_cache.h"
36 extern int wpa_debug_level;
37 extern int wpa_debug_show_keys;
39 struct wpa_driver_ops *wpa_supplicant_drivers[] = { NULL };
42 struct preauth_test_data {
47 static void _wpa_supplicant_req_scan(void *wpa_s, int sec, int usec)
49 wpa_supplicant_req_scan(wpa_s, sec, usec);
53 static void _wpa_supplicant_disassociate(void *wpa_s, int reason_code)
55 wpa_supplicant_disassociate(wpa_s, reason_code);
59 static void _wpa_supplicant_deauthenticate(void *wpa_s, int reason_code)
61 wpa_supplicant_deauthenticate(wpa_s, reason_code);
65 static u8 * wpa_alloc_eapol(const struct wpa_supplicant *wpa_s, u8 type,
66 const void *data, u16 data_len,
67 size_t *msg_len, void **data_pos)
69 struct ieee802_1x_hdr *hdr;
71 *msg_len = sizeof(*hdr) + data_len;
72 hdr = os_malloc(*msg_len);
76 hdr->version = wpa_s->conf->eapol_version;
78 hdr->length = htons(data_len);
81 os_memcpy(hdr + 1, data, data_len);
83 os_memset(hdr + 1, 0, data_len);
92 static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type,
93 const void *data, u16 data_len,
94 size_t *msg_len, void **data_pos)
96 return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos);
100 static void _wpa_supplicant_set_state(void *ctx, wpa_states state)
102 struct wpa_supplicant *wpa_s = ctx;
103 wpa_s->wpa_state = state;
107 static wpa_states _wpa_supplicant_get_state(void *ctx)
109 struct wpa_supplicant *wpa_s = ctx;
110 return wpa_s->wpa_state;
114 static int wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto,
115 const u8 *buf, size_t len)
117 printf("%s - not implemented\n", __func__);
122 static struct wpa_ssid * _wpa_supplicant_get_ssid(void *wpa_s)
124 return wpa_supplicant_get_ssid(wpa_s);
128 static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s)
130 wpa_supplicant_cancel_auth_timeout(wpa_s);
134 static int wpa_supplicant_get_beacon_ie(void *wpa_s)
136 printf("%s - not implemented\n", __func__);
141 void wpa_supplicant_scan(void *eloop_ctx, void *timeout_ctx)
143 printf("%s - not implemented\n", __func__);
147 static int wpa_supplicant_get_bssid(void *wpa_s, u8 *bssid)
149 printf("%s - not implemented\n", __func__);
154 static int wpa_supplicant_set_key(void *wpa_s, wpa_alg alg,
155 const u8 *addr, int key_idx, int set_tx,
156 const u8 *seq, size_t seq_len,
157 const u8 *key, size_t key_len)
159 printf("%s - not implemented\n", __func__);
164 static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr,
168 printf("%s - not implemented\n", __func__);
173 static int wpa_supplicant_add_pmkid(void *wpa_s,
174 const u8 *bssid, const u8 *pmkid)
176 printf("%s - not implemented\n", __func__);
181 static int wpa_supplicant_remove_pmkid(void *wpa_s,
182 const u8 *bssid, const u8 *pmkid)
184 printf("%s - not implemented\n", __func__);
189 static void wpa_supplicant_set_config_blob(void *ctx,
190 struct wpa_config_blob *blob)
192 struct wpa_supplicant *wpa_s = ctx;
193 wpa_config_set_blob(wpa_s->conf, blob);
197 static const struct wpa_config_blob *
198 wpa_supplicant_get_config_blob(void *ctx, const char *name)
200 struct wpa_supplicant *wpa_s = ctx;
201 return wpa_config_get_blob(wpa_s->conf, name);
205 static void test_eapol_clean(struct wpa_supplicant *wpa_s)
207 rsn_preauth_deinit(wpa_s->wpa);
208 pmksa_candidate_free(wpa_s->wpa);
209 wpa_sm_deinit(wpa_s->wpa);
210 scard_deinit(wpa_s->scard);
211 if (wpa_s->ctrl_iface) {
212 wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface);
213 wpa_s->ctrl_iface = NULL;
215 wpa_config_free(wpa_s->conf);
219 static void eapol_test_timeout(void *eloop_ctx, void *timeout_ctx)
221 struct preauth_test_data *p = eloop_ctx;
222 printf("EAPOL test timed out\n");
223 p->auth_timed_out = 1;
228 static void eapol_test_poll(void *eloop_ctx, void *timeout_ctx)
230 struct wpa_supplicant *wpa_s = eloop_ctx;
231 if (!rsn_preauth_in_progress(wpa_s->wpa))
234 eloop_register_timeout(0, 100000, eapol_test_poll, eloop_ctx,
240 static struct wpa_driver_ops dummy_driver;
243 static void wpa_init_conf(struct wpa_supplicant *wpa_s, const char *ifname)
245 struct l2_packet_data *l2;
246 struct wpa_sm_ctx *ctx;
248 os_memset(&dummy_driver, 0, sizeof(dummy_driver));
249 wpa_s->driver = &dummy_driver;
251 ctx = os_zalloc(sizeof(*ctx));
255 ctx->set_state = _wpa_supplicant_set_state;
256 ctx->get_state = _wpa_supplicant_get_state;
257 ctx->req_scan = _wpa_supplicant_req_scan;
258 ctx->deauthenticate = _wpa_supplicant_deauthenticate;
259 ctx->disassociate = _wpa_supplicant_disassociate;
260 ctx->set_key = wpa_supplicant_set_key;
261 ctx->scan = wpa_supplicant_scan;
262 ctx->get_ssid = _wpa_supplicant_get_ssid;
263 ctx->get_bssid = wpa_supplicant_get_bssid;
264 ctx->ether_send = wpa_ether_send;
265 ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie;
266 ctx->alloc_eapol = _wpa_alloc_eapol;
267 ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout;
268 ctx->add_pmkid = wpa_supplicant_add_pmkid;
269 ctx->remove_pmkid = wpa_supplicant_remove_pmkid;
270 ctx->set_config_blob = wpa_supplicant_set_config_blob;
271 ctx->get_config_blob = wpa_supplicant_get_config_blob;
272 ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection;
274 wpa_s->wpa = wpa_sm_init(ctx);
275 assert(wpa_s->wpa != NULL);
276 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PROTO, WPA_PROTO_RSN);
278 os_strncpy(wpa_s->ifname, ifname, sizeof(wpa_s->ifname));
279 wpa_sm_set_ifname(wpa_s->wpa, wpa_s->ifname, NULL);
281 l2 = l2_packet_init(wpa_s->ifname, NULL, ETH_P_RSN_PREAUTH, NULL,
284 if (l2_packet_get_own_addr(l2, wpa_s->own_addr)) {
285 wpa_printf(MSG_WARNING, "Failed to get own L2 address\n");
288 l2_packet_deinit(l2);
289 wpa_sm_set_own_addr(wpa_s->wpa, wpa_s->own_addr);
293 static void eapol_test_terminate(int sig, void *eloop_ctx,
296 struct wpa_supplicant *wpa_s = eloop_ctx;
297 wpa_msg(wpa_s, MSG_INFO, "Signal %d received - terminating", sig);
302 int main(int argc, char *argv[])
304 struct wpa_supplicant wpa_s;
307 struct preauth_test_data preauth_test;
309 if (os_program_init())
312 os_memset(&preauth_test, 0, sizeof(preauth_test));
315 wpa_debug_show_keys = 1;
318 printf("usage: preauth_test <conf> <target MAC address> "
323 if (hwaddr_aton(argv[2], bssid)) {
324 printf("Failed to parse target address '%s'.\n", argv[2]);
328 if (eap_peer_register_methods()) {
329 wpa_printf(MSG_ERROR, "Failed to register EAP methods");
333 if (eloop_init(&wpa_s)) {
334 wpa_printf(MSG_ERROR, "Failed to initialize event loop");
338 os_memset(&wpa_s, 0, sizeof(wpa_s));
339 wpa_s.conf = wpa_config_read(argv[1]);
340 if (wpa_s.conf == NULL) {
341 printf("Failed to parse configuration file '%s'.\n", argv[1]);
344 if (wpa_s.conf->ssid == NULL) {
345 printf("No networks defined.\n");
349 wpa_init_conf(&wpa_s, argv[3]);
350 wpa_s.ctrl_iface = wpa_supplicant_ctrl_iface_init(&wpa_s);
351 if (wpa_s.ctrl_iface == NULL) {
352 printf("Failed to initialize control interface '%s'.\n"
353 "You may have another preauth_test process already "
354 "running or the file was\n"
355 "left by an unclean termination of preauth_test in "
356 "which case you will need\n"
357 "to manually remove this file before starting "
358 "preauth_test again.\n",
359 wpa_s.conf->ctrl_interface);
362 if (wpa_supplicant_scard_init(&wpa_s, wpa_s.conf->ssid))
365 if (rsn_preauth_init(wpa_s.wpa, bssid, wpa_s.conf->ssid))
368 eloop_register_timeout(30, 0, eapol_test_timeout, &preauth_test, NULL);
369 eloop_register_timeout(0, 100000, eapol_test_poll, &wpa_s, NULL);
370 eloop_register_signal_terminate(eapol_test_terminate, NULL);
371 eloop_register_signal_reconfig(eapol_test_terminate, NULL);
374 if (preauth_test.auth_timed_out)
377 ret = pmksa_cache_set_current(wpa_s.wpa, NULL, bssid, NULL, 0)
381 test_eapol_clean(&wpa_s);
383 eap_peer_unregister_methods();