2 * WPA Supplicant - test code for pre-authentication
3 * Copyright (c) 2003-2007, 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.
23 #include "eapol_supp/eapol_supp_sm.h"
26 #include "eap_peer/eap.h"
27 #include "wpa_supplicant_i.h"
28 #include "l2_packet/l2_packet.h"
29 #include "ctrl_iface.h"
30 #include "pcsc_funcs.h"
32 #include "pmksa_cache.h"
35 extern int wpa_debug_level;
36 extern int wpa_debug_show_keys;
38 struct wpa_driver_ops *wpa_supplicant_drivers[] = { NULL };
41 struct preauth_test_data {
46 static void _wpa_supplicant_req_scan(void *wpa_s, int sec, int usec)
48 wpa_supplicant_req_scan(wpa_s, sec, usec);
52 static void _wpa_supplicant_cancel_scan(void *wpa_s)
54 wpa_supplicant_cancel_scan(wpa_s);
58 static void _wpa_supplicant_disassociate(void *wpa_s, int reason_code)
60 wpa_supplicant_disassociate(wpa_s, reason_code);
64 static void _wpa_supplicant_deauthenticate(void *wpa_s, int reason_code)
66 wpa_supplicant_deauthenticate(wpa_s, reason_code);
70 static u8 * wpa_alloc_eapol(const struct wpa_supplicant *wpa_s, u8 type,
71 const void *data, u16 data_len,
72 size_t *msg_len, void **data_pos)
74 struct ieee802_1x_hdr *hdr;
76 *msg_len = sizeof(*hdr) + data_len;
77 hdr = os_malloc(*msg_len);
81 hdr->version = wpa_s->conf->eapol_version;
83 hdr->length = htons(data_len);
86 os_memcpy(hdr + 1, data, data_len);
88 os_memset(hdr + 1, 0, data_len);
97 static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type,
98 const void *data, u16 data_len,
99 size_t *msg_len, void **data_pos)
101 return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos);
105 static void _wpa_supplicant_set_state(void *ctx, wpa_states state)
107 struct wpa_supplicant *wpa_s = ctx;
108 wpa_s->wpa_state = state;
112 static wpa_states _wpa_supplicant_get_state(void *ctx)
114 struct wpa_supplicant *wpa_s = ctx;
115 return wpa_s->wpa_state;
119 static int wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto,
120 const u8 *buf, size_t len)
122 printf("%s - not implemented\n", __func__);
127 static void * wpa_supplicant_get_network_ctx(void *wpa_s)
129 return wpa_supplicant_get_ssid(wpa_s);
133 static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s)
135 wpa_supplicant_cancel_auth_timeout(wpa_s);
139 static int wpa_supplicant_get_beacon_ie(void *wpa_s)
141 printf("%s - not implemented\n", __func__);
146 static int wpa_supplicant_get_bssid(void *wpa_s, u8 *bssid)
148 printf("%s - not implemented\n", __func__);
153 static int wpa_supplicant_set_key(void *wpa_s, wpa_alg alg,
154 const u8 *addr, int key_idx, int set_tx,
155 const u8 *seq, size_t seq_len,
156 const u8 *key, size_t key_len)
158 printf("%s - not implemented\n", __func__);
163 static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr,
167 printf("%s - not implemented\n", __func__);
172 static int wpa_supplicant_add_pmkid(void *wpa_s,
173 const u8 *bssid, const u8 *pmkid)
175 printf("%s - not implemented\n", __func__);
180 static int wpa_supplicant_remove_pmkid(void *wpa_s,
181 const u8 *bssid, const u8 *pmkid)
183 printf("%s - not implemented\n", __func__);
188 static void wpa_supplicant_set_config_blob(void *ctx,
189 struct wpa_config_blob *blob)
191 struct wpa_supplicant *wpa_s = ctx;
192 wpa_config_set_blob(wpa_s->conf, blob);
196 static const struct wpa_config_blob *
197 wpa_supplicant_get_config_blob(void *ctx, const char *name)
199 struct wpa_supplicant *wpa_s = ctx;
200 return wpa_config_get_blob(wpa_s->conf, name);
204 static void test_eapol_clean(struct wpa_supplicant *wpa_s)
206 rsn_preauth_deinit(wpa_s->wpa);
207 pmksa_candidate_free(wpa_s->wpa);
208 wpa_sm_deinit(wpa_s->wpa);
209 scard_deinit(wpa_s->scard);
210 if (wpa_s->ctrl_iface) {
211 wpa_supplicant_ctrl_iface_deinit(wpa_s->ctrl_iface);
212 wpa_s->ctrl_iface = NULL;
214 wpa_config_free(wpa_s->conf);
218 static void eapol_test_timeout(void *eloop_ctx, void *timeout_ctx)
220 struct preauth_test_data *p = eloop_ctx;
221 printf("EAPOL test timed out\n");
222 p->auth_timed_out = 1;
227 static void eapol_test_poll(void *eloop_ctx, void *timeout_ctx)
229 struct wpa_supplicant *wpa_s = eloop_ctx;
230 if (!rsn_preauth_in_progress(wpa_s->wpa))
233 eloop_register_timeout(0, 100000, eapol_test_poll, eloop_ctx,
239 static struct wpa_driver_ops dummy_driver;
242 static void wpa_init_conf(struct wpa_supplicant *wpa_s, const char *ifname)
244 struct l2_packet_data *l2;
245 struct wpa_sm_ctx *ctx;
247 os_memset(&dummy_driver, 0, sizeof(dummy_driver));
248 wpa_s->driver = &dummy_driver;
250 ctx = os_zalloc(sizeof(*ctx));
254 ctx->set_state = _wpa_supplicant_set_state;
255 ctx->get_state = _wpa_supplicant_get_state;
256 ctx->req_scan = _wpa_supplicant_req_scan;
257 ctx->cancel_scan = _wpa_supplicant_cancel_scan;
258 ctx->deauthenticate = _wpa_supplicant_deauthenticate;
259 ctx->disassociate = _wpa_supplicant_disassociate;
260 ctx->set_key = wpa_supplicant_set_key;
261 ctx->get_network_ctx = wpa_supplicant_get_network_ctx;
262 ctx->get_bssid = wpa_supplicant_get_bssid;
263 ctx->ether_send = wpa_ether_send;
264 ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie;
265 ctx->alloc_eapol = _wpa_alloc_eapol;
266 ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout;
267 ctx->add_pmkid = wpa_supplicant_add_pmkid;
268 ctx->remove_pmkid = wpa_supplicant_remove_pmkid;
269 ctx->set_config_blob = wpa_supplicant_set_config_blob;
270 ctx->get_config_blob = wpa_supplicant_get_config_blob;
271 ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection;
273 wpa_s->wpa = wpa_sm_init(ctx);
274 assert(wpa_s->wpa != NULL);
275 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PROTO, WPA_PROTO_RSN);
277 os_strlcpy(wpa_s->ifname, ifname, sizeof(wpa_s->ifname));
278 wpa_sm_set_ifname(wpa_s->wpa, wpa_s->ifname, NULL);
280 l2 = l2_packet_init(wpa_s->ifname, NULL, ETH_P_RSN_PREAUTH, NULL,
283 if (l2_packet_get_own_addr(l2, wpa_s->own_addr)) {
284 wpa_printf(MSG_WARNING, "Failed to get own L2 address\n");
287 l2_packet_deinit(l2);
288 wpa_sm_set_own_addr(wpa_s->wpa, wpa_s->own_addr);
292 static void eapol_test_terminate(int sig, void *eloop_ctx,
295 struct wpa_supplicant *wpa_s = eloop_ctx;
296 wpa_msg(wpa_s, MSG_INFO, "Signal %d received - terminating", sig);
301 int main(int argc, char *argv[])
303 struct wpa_supplicant wpa_s;
306 struct preauth_test_data preauth_test;
308 if (os_program_init())
311 os_memset(&preauth_test, 0, sizeof(preauth_test));
314 wpa_debug_show_keys = 1;
317 printf("usage: preauth_test <conf> <target MAC address> "
322 if (hwaddr_aton(argv[2], bssid)) {
323 printf("Failed to parse target address '%s'.\n", argv[2]);
327 if (eap_peer_register_methods()) {
328 wpa_printf(MSG_ERROR, "Failed to register EAP methods");
332 if (eloop_init(&wpa_s)) {
333 wpa_printf(MSG_ERROR, "Failed to initialize event loop");
337 os_memset(&wpa_s, 0, sizeof(wpa_s));
338 wpa_s.conf = wpa_config_read(argv[1]);
339 if (wpa_s.conf == NULL) {
340 printf("Failed to parse configuration file '%s'.\n", argv[1]);
343 if (wpa_s.conf->ssid == NULL) {
344 printf("No networks defined.\n");
348 wpa_init_conf(&wpa_s, argv[3]);
349 wpa_s.ctrl_iface = wpa_supplicant_ctrl_iface_init(&wpa_s);
350 if (wpa_s.ctrl_iface == NULL) {
351 printf("Failed to initialize control interface '%s'.\n"
352 "You may have another preauth_test process already "
353 "running or the file was\n"
354 "left by an unclean termination of preauth_test in "
355 "which case you will need\n"
356 "to manually remove this file before starting "
357 "preauth_test again.\n",
358 wpa_s.conf->ctrl_interface);
361 if (wpa_supplicant_scard_init(&wpa_s, wpa_s.conf->ssid))
364 if (rsn_preauth_init(wpa_s.wpa, bssid, &wpa_s.conf->ssid->eap))
367 eloop_register_timeout(30, 0, eapol_test_timeout, &preauth_test, NULL);
368 eloop_register_timeout(0, 100000, eapol_test_poll, &wpa_s, NULL);
369 eloop_register_signal_terminate(eapol_test_terminate, NULL);
370 eloop_register_signal_reconfig(eapol_test_terminate, NULL);
373 if (preauth_test.auth_timed_out)
376 ret = pmksa_cache_set_current(wpa_s.wpa, NULL, bssid, NULL, 0)
380 test_eapol_clean(&wpa_s);
382 eap_peer_unregister_methods();