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();