2 * WPA Supplicant - test code for pre-authentication
3 * Copyright (c) 2003-2006, Jouni Malinen <jkmaline@cc.hut.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.
24 #include <netinet/in.h>
26 #include <arpa/inet.h>
34 #include "wpa_supplicant.h"
35 #include "wpa_supplicant_i.h"
36 #include "l2_packet.h"
37 #include "ctrl_iface.h"
38 #include "pcsc_funcs.h"
42 extern int wpa_debug_level;
43 extern int wpa_debug_show_keys;
45 struct wpa_driver_ops *wpa_supplicant_drivers[] = { };
48 struct preauth_test_data {
53 static void _wpa_supplicant_req_scan(void *wpa_s, int sec, int usec)
55 wpa_supplicant_req_scan(wpa_s, sec, usec);
59 static void _wpa_supplicant_disassociate(void *wpa_s, int reason_code)
61 wpa_supplicant_disassociate(wpa_s, reason_code);
65 static void _wpa_supplicant_deauthenticate(void *wpa_s, int reason_code)
67 wpa_supplicant_deauthenticate(wpa_s, reason_code);
71 static u8 * wpa_alloc_eapol(const struct wpa_supplicant *wpa_s, u8 type,
72 const void *data, u16 data_len,
73 size_t *msg_len, void **data_pos)
75 struct ieee802_1x_hdr *hdr;
77 *msg_len = sizeof(*hdr) + data_len;
78 hdr = malloc(*msg_len);
82 hdr->version = wpa_s->conf->eapol_version;
84 hdr->length = htons(data_len);
87 memcpy(hdr + 1, data, data_len);
89 memset(hdr + 1, 0, data_len);
98 static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type,
99 const void *data, u16 data_len,
100 size_t *msg_len, void **data_pos)
102 return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos);
106 static void _wpa_supplicant_set_state(void *ctx, wpa_states state)
108 struct wpa_supplicant *wpa_s = ctx;
109 wpa_s->wpa_state = state;
113 static wpa_states _wpa_supplicant_get_state(void *ctx)
115 struct wpa_supplicant *wpa_s = ctx;
116 return wpa_s->wpa_state;
120 static int wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto,
121 const u8 *buf, size_t len)
123 printf("%s - not implemented\n", __func__);
128 static struct wpa_ssid * _wpa_supplicant_get_ssid(void *wpa_s)
130 return wpa_supplicant_get_ssid(wpa_s);
134 static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s)
136 wpa_supplicant_cancel_auth_timeout(wpa_s);
140 static int wpa_supplicant_get_beacon_ie(void *wpa_s)
142 printf("%s - not implemented\n", __func__);
147 void wpa_supplicant_scan(void *eloop_ctx, void *timeout_ctx)
149 printf("%s - not implemented\n", __func__);
153 static int wpa_supplicant_get_bssid(void *wpa_s, u8 *bssid)
155 printf("%s - not implemented\n", __func__);
160 static int wpa_supplicant_set_key(void *wpa_s, wpa_alg alg,
161 const u8 *addr, int key_idx, int set_tx,
162 const u8 *seq, size_t seq_len,
163 const u8 *key, size_t key_len)
165 printf("%s - not implemented\n", __func__);
170 static int wpa_supplicant_add_pmkid(void *wpa_s,
171 const u8 *bssid, const u8 *pmkid)
173 printf("%s - not implemented\n", __func__);
178 static int wpa_supplicant_remove_pmkid(void *wpa_s,
179 const u8 *bssid, const u8 *pmkid)
181 printf("%s - not implemented\n", __func__);
186 static void wpa_supplicant_set_config_blob(void *ctx,
187 struct wpa_config_blob *blob)
189 struct wpa_supplicant *wpa_s = ctx;
190 wpa_config_set_blob(wpa_s->conf, blob);
194 static const struct wpa_config_blob *
195 wpa_supplicant_get_config_blob(void *ctx, const char *name)
197 struct wpa_supplicant *wpa_s = ctx;
198 return wpa_config_get_blob(wpa_s->conf, name);
202 static void test_eapol_clean(struct wpa_supplicant *wpa_s)
204 rsn_preauth_deinit(wpa_s->wpa);
205 pmksa_candidate_free(wpa_s->wpa);
206 pmksa_cache_free(wpa_s->wpa);
207 wpa_sm_deinit(wpa_s->wpa);
208 scard_deinit(wpa_s->scard);
209 wpa_supplicant_ctrl_iface_deinit(wpa_s);
210 wpa_config_free(wpa_s->conf);
214 static void eapol_test_timeout(void *eloop_ctx, void *timeout_ctx)
216 struct preauth_test_data *p = eloop_ctx;
217 printf("EAPOL test timed out\n");
218 p->auth_timed_out = 1;
223 static void eapol_test_poll(void *eloop_ctx, void *timeout_ctx)
225 struct wpa_supplicant *wpa_s = eloop_ctx;
226 if (!rsn_preauth_in_progress(wpa_s->wpa))
229 eloop_register_timeout(0, 100000, eapol_test_poll, eloop_ctx,
235 static struct wpa_driver_ops dummy_driver;
238 static void wpa_init_conf(struct wpa_supplicant *wpa_s, const char *ifname)
240 struct l2_packet_data *l2;
241 struct wpa_sm_ctx *ctx;
243 memset(&dummy_driver, 0, sizeof(dummy_driver));
244 wpa_s->driver = &dummy_driver;
246 ctx = malloc(sizeof(*ctx));
249 memset(ctx, 0, sizeof(*ctx));
251 ctx->set_state = _wpa_supplicant_set_state;
252 ctx->get_state = _wpa_supplicant_get_state;
253 ctx->req_scan = _wpa_supplicant_req_scan;
254 ctx->deauthenticate = _wpa_supplicant_deauthenticate;
255 ctx->disassociate = _wpa_supplicant_disassociate;
256 ctx->set_key = wpa_supplicant_set_key;
257 ctx->scan = wpa_supplicant_scan;
258 ctx->get_ssid = _wpa_supplicant_get_ssid;
259 ctx->get_bssid = wpa_supplicant_get_bssid;
260 ctx->ether_send = wpa_ether_send;
261 ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie;
262 ctx->alloc_eapol = _wpa_alloc_eapol;
263 ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout;
264 ctx->add_pmkid = wpa_supplicant_add_pmkid;
265 ctx->remove_pmkid = wpa_supplicant_remove_pmkid;
266 ctx->set_config_blob = wpa_supplicant_set_config_blob;
267 ctx->get_config_blob = wpa_supplicant_get_config_blob;
269 wpa_s->wpa = wpa_sm_init(ctx);
270 assert(wpa_s->wpa != NULL);
271 wpa_sm_set_param(wpa_s->wpa, WPA_PARAM_PROTO, WPA_PROTO_RSN);
273 strncpy(wpa_s->ifname, ifname, sizeof(wpa_s->ifname));
274 wpa_sm_set_ifname(wpa_s->wpa, wpa_s->ifname);
276 l2 = l2_packet_init(wpa_s->ifname, NULL, ETH_P_RSN_PREAUTH, NULL,
279 if (l2_packet_get_own_addr(l2, wpa_s->own_addr)) {
280 wpa_printf(MSG_WARNING, "Failed to get own L2 address\n");
283 l2_packet_deinit(l2);
284 wpa_sm_set_own_addr(wpa_s->wpa, wpa_s->own_addr);
288 static void eapol_test_terminate(int sig, void *eloop_ctx,
291 struct wpa_supplicant *wpa_s = eloop_ctx;
292 wpa_msg(wpa_s, MSG_INFO, "Signal %d received - terminating", sig);
297 int main(int argc, char *argv[])
299 struct wpa_supplicant wpa_s;
302 struct preauth_test_data preauth_test;
304 memset(&preauth_test, 0, sizeof(preauth_test));
307 wpa_debug_show_keys = 1;
310 printf("usage: preauth_test <conf> <target MAC address> "
315 if (hwaddr_aton(argv[2], bssid)) {
316 printf("Failed to parse target address '%s'.\n", argv[2]);
322 memset(&wpa_s, 0, sizeof(wpa_s));
323 wpa_s.conf = wpa_config_read(argv[1]);
324 if (wpa_s.conf == NULL) {
325 printf("Failed to parse configuration file '%s'.\n", argv[1]);
328 if (wpa_s.conf->ssid == NULL) {
329 printf("No networks defined.\n");
333 wpa_init_conf(&wpa_s, argv[3]);
334 if (wpa_supplicant_ctrl_iface_init(&wpa_s)) {
335 printf("Failed to initialize control interface '%s'.\n"
336 "You may have another preauth_test process already "
337 "running or the file was\n"
338 "left by an unclean termination of preauth_test in "
339 "which case you will need\n"
340 "to manually remove this file before starting "
341 "preauth_test again.\n",
342 wpa_s.conf->ctrl_interface);
345 if (wpa_supplicant_scard_init(&wpa_s, wpa_s.conf->ssid))
348 if (rsn_preauth_init(wpa_s.wpa, bssid, wpa_s.conf->ssid))
351 eloop_register_timeout(30, 0, eapol_test_timeout, &preauth_test, NULL);
352 eloop_register_timeout(0, 100000, eapol_test_poll, &wpa_s, NULL);
353 eloop_register_signal(SIGINT, eapol_test_terminate, NULL);
354 eloop_register_signal(SIGTERM, eapol_test_terminate, NULL);
355 eloop_register_signal(SIGHUP, eapol_test_terminate, NULL);
358 if (preauth_test.auth_timed_out)
361 ret = pmksa_cache_get(wpa_s.wpa, bssid, NULL) ? 0 : -3;
364 test_eapol_clean(&wpa_s);