blob: 99fcabce6b21564f4f694f950b4ce94837939fc1 [file] [log] [blame]
Jouni Malinenfa201b62008-11-28 19:46:22 +02001/*
2 * wpa_supplicant / WPS integration
Jouni Malinen6fa81a32010-01-02 16:16:02 +02003 * Copyright (c) 2008-2010, Jouni Malinen <j@w1.fi>
Jouni Malinenfa201b62008-11-28 19:46:22 +02004 *
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.
8 *
9 * Alternatively, this software may be distributed under the terms of BSD
10 * license.
11 *
12 * See README and COPYING for more details.
13 */
14
15#include "includes.h"
16
17#include "common.h"
Jouni Malinen03da66b2009-11-29 23:04:43 +020018#include "eloop.h"
19#include "uuid.h"
20#include "crypto/dh_group5.h"
Jouni Malinen90973fb2009-11-29 17:51:55 +020021#include "common/ieee802_11_defs.h"
22#include "common/ieee802_11_common.h"
23#include "common/wpa_common.h"
Jouni Malinen03da66b2009-11-29 23:04:43 +020024#include "common/wpa_ctrl.h"
25#include "eap_common/eap_wsc_common.h"
Jouni Malinenb01c18a2008-11-29 13:38:03 +020026#include "eap_peer/eap.h"
Jouni Malinen03da66b2009-11-29 23:04:43 +020027#include "rsn_supp/wpa.h"
28#include "config.h"
Jouni Malinenfa201b62008-11-28 19:46:22 +020029#include "wpa_supplicant_i.h"
Jouni Malinen2d5b7922009-03-26 20:37:05 +020030#include "driver_i.h"
Jouni Malinen8bac4662009-09-13 20:53:32 +030031#include "notify.h"
Jouni Malinena6099152009-01-23 13:10:58 +020032#include "blacklist.h"
Jouni Malinen59f2caa2010-01-02 13:36:12 +020033#include "bss.h"
Jouni Malinen9ba9fa02010-01-03 18:48:11 +020034#include "scan.h"
Jouni Malinenfa201b62008-11-28 19:46:22 +020035#include "wps_supplicant.h"
36
Jouni Malinenf7e54362009-12-28 16:07:15 +020037
Jouni Malinen31fcea92009-12-12 16:40:10 +020038#ifndef WPS_PIN_SCAN_IGNORE_SEL_REG
Jouni Malinena6099152009-01-23 13:10:58 +020039#define WPS_PIN_SCAN_IGNORE_SEL_REG 3
Jouni Malinen31fcea92009-12-12 16:40:10 +020040#endif /* WPS_PIN_SCAN_IGNORE_SEL_REG */
Jouni Malinenfa201b62008-11-28 19:46:22 +020041
Jouni Malinenfcc60db2008-11-29 20:59:45 +020042static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx);
Jouni Malinen469fc3a2008-12-19 22:19:41 +020043static void wpas_clear_wps(struct wpa_supplicant *wpa_s);
Jouni Malinenfcc60db2008-11-29 20:59:45 +020044
45
Jouni Malinenfa201b62008-11-28 19:46:22 +020046int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s)
47{
Jouni Malinena6099152009-01-23 13:10:58 +020048 if (!wpa_s->wps_success &&
49 wpa_s->current_ssid &&
50 eap_is_wps_pin_enrollee(&wpa_s->current_ssid->eap)) {
51 const u8 *bssid = wpa_s->bssid;
52 if (is_zero_ether_addr(bssid))
53 bssid = wpa_s->pending_bssid;
54
55 wpa_printf(MSG_DEBUG, "WPS: PIN registration with " MACSTR
56 " did not succeed - continue trying to find "
57 "suitable AP", MAC2STR(bssid));
58 wpa_blacklist_add(wpa_s, bssid);
59
60 wpa_supplicant_deauthenticate(wpa_s,
61 WLAN_REASON_DEAUTH_LEAVING);
62 wpa_s->reassociate = 1;
63 wpa_supplicant_req_scan(wpa_s,
64 wpa_s->blacklist_cleared ? 5 : 0, 0);
65 wpa_s->blacklist_cleared = 0;
66 return 1;
67 }
68
Jouni Malinenfcc60db2008-11-29 20:59:45 +020069 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
70
Jouni Malinenfa201b62008-11-28 19:46:22 +020071 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid &&
72 !(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
73 wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - "
74 "try to associate with the received credential");
75 wpa_supplicant_deauthenticate(wpa_s,
76 WLAN_REASON_DEAUTH_LEAVING);
Jouni Malinen17a47342010-04-11 19:06:42 +030077 wpa_s->after_wps = 5;
78 wpa_s->wps_freq = wpa_s->assoc_freq;
Jouni Malinenfa201b62008-11-28 19:46:22 +020079 wpa_s->reassociate = 1;
80 wpa_supplicant_req_scan(wpa_s, 0, 0);
81 return 1;
82 }
83
Jouni Malinen47662162009-01-18 12:27:12 +020084 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid) {
85 wpa_printf(MSG_DEBUG, "WPS: Registration completed - waiting "
86 "for external credential processing");
87 wpas_clear_wps(wpa_s);
88 wpa_supplicant_deauthenticate(wpa_s,
89 WLAN_REASON_DEAUTH_LEAVING);
90 return 1;
91 }
92
Jouni Malinenfa201b62008-11-28 19:46:22 +020093 return 0;
94}
95
96
Jouni Malinen7cc1b6c2009-03-05 21:39:39 +020097static void wpas_wps_security_workaround(struct wpa_supplicant *wpa_s,
98 struct wpa_ssid *ssid,
99 const struct wps_credential *cred)
100{
101 struct wpa_driver_capa capa;
Jouni Malinen59f2caa2010-01-02 13:36:12 +0200102 struct wpa_bss *bss;
Jouni Malinen7cc1b6c2009-03-05 21:39:39 +0200103 const u8 *ie;
104 struct wpa_ie_data adv;
105 int wpa2 = 0, ccmp = 0;
106
107 /*
108 * Many existing WPS APs do not know how to negotiate WPA2 or CCMP in
109 * case they are configured for mixed mode operation (WPA+WPA2 and
110 * TKIP+CCMP). Try to use scan results to figure out whether the AP
111 * actually supports stronger security and select that if the client
112 * has support for it, too.
113 */
114
115 if (wpa_drv_get_capa(wpa_s, &capa))
116 return; /* Unknown what driver supports */
117
Jouni Malinen59f2caa2010-01-02 13:36:12 +0200118 bss = wpa_bss_get(wpa_s, cred->mac_addr, ssid->ssid, ssid->ssid_len);
119 if (bss == NULL) {
120 wpa_printf(MSG_DEBUG, "WPS: The AP was not found from BSS "
121 "table - use credential as-is");
Jouni Malinen7cc1b6c2009-03-05 21:39:39 +0200122 return;
123 }
124
Jouni Malinen59f2caa2010-01-02 13:36:12 +0200125 wpa_printf(MSG_DEBUG, "WPS: AP found from BSS table");
126
127 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
Jouni Malinen7cc1b6c2009-03-05 21:39:39 +0200128 if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0) {
129 wpa2 = 1;
130 if (adv.pairwise_cipher & WPA_CIPHER_CCMP)
131 ccmp = 1;
132 } else {
Jouni Malinen59f2caa2010-01-02 13:36:12 +0200133 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
Jouni Malinen7cc1b6c2009-03-05 21:39:39 +0200134 if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0 &&
135 adv.pairwise_cipher & WPA_CIPHER_CCMP)
136 ccmp = 1;
137 }
138
139 if (ie == NULL && (ssid->proto & WPA_PROTO_WPA) &&
140 (ssid->pairwise_cipher & WPA_CIPHER_TKIP)) {
141 /*
142 * TODO: This could be the initial AP configuration and the
143 * Beacon contents could change shortly. Should request a new
144 * scan and delay addition of the network until the updated
145 * scan results are available.
146 */
147 wpa_printf(MSG_DEBUG, "WPS: The AP did not yet advertise WPA "
148 "support - use credential as-is");
149 return;
150 }
151
152 if (ccmp && !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) &&
153 (ssid->pairwise_cipher & WPA_CIPHER_TKIP) &&
154 (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
155 wpa_printf(MSG_DEBUG, "WPS: Add CCMP into the credential "
156 "based on scan results");
157 if (wpa_s->conf->ap_scan == 1)
158 ssid->pairwise_cipher |= WPA_CIPHER_CCMP;
159 else
160 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
161 }
162
163 if (wpa2 && !(ssid->proto & WPA_PROTO_RSN) &&
164 (ssid->proto & WPA_PROTO_WPA) &&
165 (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP)) {
166 wpa_printf(MSG_DEBUG, "WPS: Add WPA2 into the credential "
167 "based on scan results");
168 if (wpa_s->conf->ap_scan == 1)
169 ssid->proto |= WPA_PROTO_RSN;
170 else
171 ssid->proto = WPA_PROTO_RSN;
172 }
173}
174
175
Jouni Malinenbcbbc7a2008-11-28 20:02:32 +0200176static int wpa_supplicant_wps_cred(void *ctx,
177 const struct wps_credential *cred)
Jouni Malinenfa201b62008-11-28 19:46:22 +0200178{
179 struct wpa_supplicant *wpa_s = ctx;
180 struct wpa_ssid *ssid = wpa_s->current_ssid;
Andriy Tkachuk522b5b62009-02-18 19:58:44 +0200181 u8 key_idx = 0;
Jouni Malinen49eba5f2009-08-15 20:40:45 +0300182 u16 auth_type;
Jouni Malinenfa201b62008-11-28 19:46:22 +0200183
Jouni Malinen47662162009-01-18 12:27:12 +0200184 if ((wpa_s->conf->wps_cred_processing == 1 ||
185 wpa_s->conf->wps_cred_processing == 2) && cred->cred_attr) {
186 size_t blen = cred->cred_attr_len * 2 + 1;
187 char *buf = os_malloc(blen);
188 if (buf) {
189 wpa_snprintf_hex(buf, blen,
190 cred->cred_attr, cred->cred_attr_len);
191 wpa_msg(wpa_s, MSG_INFO, "%s%s",
192 WPS_EVENT_CRED_RECEIVED, buf);
193 os_free(buf);
194 }
Jouni Malinen8bac4662009-09-13 20:53:32 +0300195
196 wpas_notify_wps_credential(wpa_s, cred);
Jouni Malinen47662162009-01-18 12:27:12 +0200197 } else
198 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CRED_RECEIVED);
Jouni Malinenfa201b62008-11-28 19:46:22 +0200199
Jouni Malineneca6e0a2009-01-17 22:17:12 +0200200 wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute",
201 cred->cred_attr, cred->cred_attr_len);
202
Jouni Malinen47662162009-01-18 12:27:12 +0200203 if (wpa_s->conf->wps_cred_processing == 1)
204 return 0;
205
Jouni Malinen73267b92009-03-30 19:00:55 +0300206 wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len);
207 wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x",
208 cred->auth_type);
209 wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type);
210 wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx);
211 wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key",
212 cred->key, cred->key_len);
213 wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR,
214 MAC2STR(cred->mac_addr));
215
Jouni Malinen49eba5f2009-08-15 20:40:45 +0300216 auth_type = cred->auth_type;
217 if (auth_type == (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
218 wpa_printf(MSG_DEBUG, "WPS: Workaround - convert mixed-mode "
219 "auth_type into WPA2PSK");
220 auth_type = WPS_AUTH_WPA2PSK;
221 }
222
223 if (auth_type != WPS_AUTH_OPEN &&
224 auth_type != WPS_AUTH_SHARED &&
225 auth_type != WPS_AUTH_WPAPSK &&
226 auth_type != WPS_AUTH_WPA2PSK) {
Jouni Malinenf2860772009-01-17 21:45:51 +0200227 wpa_printf(MSG_DEBUG, "WPS: Ignored credentials for "
Jouni Malinen49eba5f2009-08-15 20:40:45 +0300228 "unsupported authentication type 0x%x",
229 auth_type);
Jouni Malinenf2860772009-01-17 21:45:51 +0200230 return 0;
231 }
232
Jouni Malinenfa201b62008-11-28 19:46:22 +0200233 if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
234 wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based "
235 "on the received credential");
236 os_free(ssid->eap.identity);
237 ssid->eap.identity = NULL;
238 ssid->eap.identity_len = 0;
239 os_free(ssid->eap.phase1);
240 ssid->eap.phase1 = NULL;
241 os_free(ssid->eap.eap_methods);
242 ssid->eap.eap_methods = NULL;
243 } else {
244 wpa_printf(MSG_DEBUG, "WPS: Create a new network based on the "
245 "received credential");
246 ssid = wpa_config_add_network(wpa_s->conf);
247 if (ssid == NULL)
248 return -1;
Jouni Malinen8bac4662009-09-13 20:53:32 +0300249 wpas_notify_network_added(wpa_s, ssid);
Jouni Malinenfa201b62008-11-28 19:46:22 +0200250 }
251
252 wpa_config_set_network_defaults(ssid);
253
254 os_free(ssid->ssid);
255 ssid->ssid = os_malloc(cred->ssid_len);
256 if (ssid->ssid) {
257 os_memcpy(ssid->ssid, cred->ssid, cred->ssid_len);
258 ssid->ssid_len = cred->ssid_len;
259 }
260
261 switch (cred->encr_type) {
262 case WPS_ENCR_NONE:
Jouni Malinenfa201b62008-11-28 19:46:22 +0200263 break;
264 case WPS_ENCR_WEP:
Andriy Tkachuk4b195a12009-02-17 10:30:43 +0200265 if (cred->key_len <= 0)
266 break;
267 if (cred->key_len != 5 && cred->key_len != 13 &&
268 cred->key_len != 10 && cred->key_len != 26) {
269 wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key length "
270 "%lu", (unsigned long) cred->key_len);
271 return -1;
Jouni Malinenfa201b62008-11-28 19:46:22 +0200272 }
Andriy Tkachuk522b5b62009-02-18 19:58:44 +0200273 if (cred->key_idx > NUM_WEP_KEYS) {
Andriy Tkachuk4b195a12009-02-17 10:30:43 +0200274 wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key index %d",
275 cred->key_idx);
276 return -1;
277 }
Andriy Tkachuk522b5b62009-02-18 19:58:44 +0200278 if (cred->key_idx)
279 key_idx = cred->key_idx - 1;
Andriy Tkachuk4b195a12009-02-17 10:30:43 +0200280 if (cred->key_len == 10 || cred->key_len == 26) {
281 if (hexstr2bin((char *) cred->key,
282 ssid->wep_key[key_idx],
283 cred->key_len / 2) < 0) {
284 wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key "
285 "%d", key_idx);
286 return -1;
287 }
288 ssid->wep_key_len[key_idx] = cred->key_len / 2;
289 } else {
290 os_memcpy(ssid->wep_key[key_idx], cred->key,
291 cred->key_len);
292 ssid->wep_key_len[key_idx] = cred->key_len;
293 }
294 ssid->wep_tx_keyidx = key_idx;
Jouni Malinenfa201b62008-11-28 19:46:22 +0200295 break;
296 case WPS_ENCR_TKIP:
297 ssid->pairwise_cipher = WPA_CIPHER_TKIP;
Jouni Malinenfa201b62008-11-28 19:46:22 +0200298 break;
299 case WPS_ENCR_AES:
300 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
Jouni Malinenfa201b62008-11-28 19:46:22 +0200301 break;
302 }
303
Jouni Malinen49eba5f2009-08-15 20:40:45 +0300304 switch (auth_type) {
Jouni Malinenfa201b62008-11-28 19:46:22 +0200305 case WPS_AUTH_OPEN:
306 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
307 ssid->key_mgmt = WPA_KEY_MGMT_NONE;
308 ssid->proto = 0;
309 break;
310 case WPS_AUTH_SHARED:
311 ssid->auth_alg = WPA_AUTH_ALG_SHARED;
312 ssid->key_mgmt = WPA_KEY_MGMT_NONE;
313 ssid->proto = 0;
314 break;
315 case WPS_AUTH_WPAPSK:
316 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
317 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
318 ssid->proto = WPA_PROTO_WPA;
319 break;
320 case WPS_AUTH_WPA:
321 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
322 ssid->key_mgmt = WPA_KEY_MGMT_IEEE8021X;
323 ssid->proto = WPA_PROTO_WPA;
324 break;
325 case WPS_AUTH_WPA2:
326 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
327 ssid->key_mgmt = WPA_KEY_MGMT_IEEE8021X;
328 ssid->proto = WPA_PROTO_RSN;
329 break;
330 case WPS_AUTH_WPA2PSK:
331 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
332 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
333 ssid->proto = WPA_PROTO_RSN;
334 break;
335 }
336
337 if (ssid->key_mgmt == WPA_KEY_MGMT_PSK) {
338 if (cred->key_len == 2 * PMK_LEN) {
339 if (hexstr2bin((const char *) cred->key, ssid->psk,
340 PMK_LEN)) {
341 wpa_printf(MSG_ERROR, "WPS: Invalid Network "
342 "Key");
343 return -1;
344 }
345 ssid->psk_set = 1;
346 } else if (cred->key_len >= 8 && cred->key_len < 2 * PMK_LEN) {
347 os_free(ssid->passphrase);
348 ssid->passphrase = os_malloc(cred->key_len + 1);
349 if (ssid->passphrase == NULL)
350 return -1;
351 os_memcpy(ssid->passphrase, cred->key, cred->key_len);
352 ssid->passphrase[cred->key_len] = '\0';
353 wpa_config_update_psk(ssid);
354 } else {
355 wpa_printf(MSG_ERROR, "WPS: Invalid Network Key "
356 "length %lu",
357 (unsigned long) cred->key_len);
358 return -1;
359 }
360 }
361
Jouni Malinen7cc1b6c2009-03-05 21:39:39 +0200362 wpas_wps_security_workaround(wpa_s, ssid, cred);
363
Jouni Malinenfa201b62008-11-28 19:46:22 +0200364#ifndef CONFIG_NO_CONFIG_WRITE
365 if (wpa_s->conf->update_config &&
366 wpa_config_write(wpa_s->confname, wpa_s->conf)) {
367 wpa_printf(MSG_DEBUG, "WPS: Failed to update configuration");
368 return -1;
369 }
370#endif /* CONFIG_NO_CONFIG_WRITE */
371
372 return 0;
373}
374
375
Jouni Malinen4b682902008-12-18 21:58:42 +0200376static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant *wpa_s,
377 struct wps_event_m2d *m2d)
378{
379 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_M2D
380 "dev_password_id=%d config_error=%d",
381 m2d->dev_password_id, m2d->config_error);
Jouni Malinen8bac4662009-09-13 20:53:32 +0300382 wpas_notify_wps_event_m2d(wpa_s, m2d);
Jouni Malinen4b682902008-12-18 21:58:42 +0200383}
384
385
Jouni Malinen469fc3a2008-12-19 22:19:41 +0200386static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s,
387 struct wps_event_fail *fail)
388{
389 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL "msg=%d", fail->msg);
390 wpas_clear_wps(wpa_s);
Jouni Malinen8bac4662009-09-13 20:53:32 +0300391 wpas_notify_wps_event_fail(wpa_s, fail);
Jouni Malinen469fc3a2008-12-19 22:19:41 +0200392}
393
394
Jouni Malinenad5302a2008-12-19 22:34:18 +0200395static void wpa_supplicant_wps_event_success(struct wpa_supplicant *wpa_s)
396{
397 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS);
Jouni Malinena6099152009-01-23 13:10:58 +0200398 wpa_s->wps_success = 1;
Jouni Malinen8bac4662009-09-13 20:53:32 +0300399 wpas_notify_wps_event_success(wpa_s);
Jouni Malinenad5302a2008-12-19 22:34:18 +0200400}
401
402
Jouni Malinenb78bc3a2009-11-15 12:07:27 +0200403static void wpa_supplicant_wps_event_er_ap_add(struct wpa_supplicant *wpa_s,
404 struct wps_event_er_ap *ap)
405{
406 char uuid_str[100];
Jouni Malinened459472009-11-26 11:54:37 +0200407 char dev_type[WPS_DEV_TYPE_BUFSIZE];
Jouni Malinene694b342009-11-21 13:34:23 +0200408
Jouni Malinenb78bc3a2009-11-15 12:07:27 +0200409 uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str));
Jouni Malinene694b342009-11-21 13:34:23 +0200410 if (ap->pri_dev_type)
Jouni Malinened459472009-11-26 11:54:37 +0200411 wps_dev_type_bin2str(ap->pri_dev_type, dev_type,
412 sizeof(dev_type));
Jouni Malinene694b342009-11-21 13:34:23 +0200413 else
414 dev_type[0] = '\0';
415
416 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_ADD "%s " MACSTR
417 " pri_dev_type=%s wps_state=%d |%s|%s|%s|%s|%s|%s|",
418 uuid_str, MAC2STR(ap->mac_addr), dev_type, ap->wps_state,
Jouni Malinenb78bc3a2009-11-15 12:07:27 +0200419 ap->friendly_name ? ap->friendly_name : "",
420 ap->manufacturer ? ap->manufacturer : "",
421 ap->model_description ? ap->model_description : "",
422 ap->model_name ? ap->model_name : "",
423 ap->manufacturer_url ? ap->manufacturer_url : "",
424 ap->model_url ? ap->model_url : "");
425}
426
427
428static void wpa_supplicant_wps_event_er_ap_remove(struct wpa_supplicant *wpa_s,
429 struct wps_event_er_ap *ap)
430{
431 char uuid_str[100];
432 uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str));
433 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_REMOVE "%s", uuid_str);
434}
435
436
437static void wpa_supplicant_wps_event_er_enrollee_add(
438 struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee)
439{
440 char uuid_str[100];
Jouni Malinened459472009-11-26 11:54:37 +0200441 char dev_type[WPS_DEV_TYPE_BUFSIZE];
Jouni Malinenb78bc3a2009-11-15 12:07:27 +0200442
443 uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str));
444 if (enrollee->pri_dev_type)
Jouni Malinened459472009-11-26 11:54:37 +0200445 wps_dev_type_bin2str(enrollee->pri_dev_type, dev_type,
446 sizeof(dev_type));
Jouni Malinenb78bc3a2009-11-15 12:07:27 +0200447 else
448 dev_type[0] = '\0';
449
450 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_ADD "%s " MACSTR
451 " M1=%d config_methods=0x%x dev_passwd_id=%d pri_dev_type=%s "
452 "|%s|%s|%s|%s|%s|",
453 uuid_str, MAC2STR(enrollee->mac_addr), enrollee->m1_received,
454 enrollee->config_methods, enrollee->dev_passwd_id, dev_type,
455 enrollee->dev_name ? enrollee->dev_name : "",
456 enrollee->manufacturer ? enrollee->manufacturer : "",
457 enrollee->model_name ? enrollee->model_name : "",
458 enrollee->model_number ? enrollee->model_number : "",
459 enrollee->serial_number ? enrollee->serial_number : "");
460}
461
462
463static void wpa_supplicant_wps_event_er_enrollee_remove(
464 struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee)
465{
466 char uuid_str[100];
467 uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str));
468 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_REMOVE "%s " MACSTR,
469 uuid_str, MAC2STR(enrollee->mac_addr));
470}
471
472
Jouni Malinen15dbf122010-05-27 15:24:45 +0300473static void wpa_supplicant_wps_event_er_ap_settings(
474 struct wpa_supplicant *wpa_s,
475 struct wps_event_er_ap_settings *ap_settings)
476{
477 char uuid_str[100];
478 char key_str[65];
479 const struct wps_credential *cred = ap_settings->cred;
480
481 key_str[0] = '\0';
482 if (cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
483 if (cred->key_len >= 8 && cred->key_len <= 64) {
484 os_memcpy(key_str, cred->key, cred->key_len);
485 key_str[cred->key_len] = '\0';
486 }
487 }
488
489 uuid_bin2str(ap_settings->uuid, uuid_str, sizeof(uuid_str));
490 /* Use wpa_msg_ctrl to avoid showing the key in debug log */
491 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_SETTINGS
492 "uuid=%s ssid=%s auth_type=0x%04x encr_type=0x%04x "
493 "key=%s",
494 uuid_str, wpa_ssid_txt(cred->ssid, cred->ssid_len),
495 cred->auth_type, cred->encr_type, key_str);
496}
497
498
Jouni Malinen4b682902008-12-18 21:58:42 +0200499static void wpa_supplicant_wps_event(void *ctx, enum wps_event event,
500 union wps_event_data *data)
501{
502 struct wpa_supplicant *wpa_s = ctx;
503 switch (event) {
504 case WPS_EV_M2D:
505 wpa_supplicant_wps_event_m2d(wpa_s, &data->m2d);
506 break;
Jouni Malinen469fc3a2008-12-19 22:19:41 +0200507 case WPS_EV_FAIL:
508 wpa_supplicant_wps_event_fail(wpa_s, &data->fail);
509 break;
Jouni Malinenad5302a2008-12-19 22:34:18 +0200510 case WPS_EV_SUCCESS:
511 wpa_supplicant_wps_event_success(wpa_s);
512 break;
Jouni Malinen3b2cf802009-01-23 21:57:43 +0200513 case WPS_EV_PWD_AUTH_FAIL:
514 break;
Oleg Kravtsov63330c62009-11-01 21:26:13 +0200515 case WPS_EV_PBC_OVERLAP:
516 break;
517 case WPS_EV_PBC_TIMEOUT:
518 break;
Jouni Malinenb78bc3a2009-11-15 12:07:27 +0200519 case WPS_EV_ER_AP_ADD:
520 wpa_supplicant_wps_event_er_ap_add(wpa_s, &data->ap);
521 break;
522 case WPS_EV_ER_AP_REMOVE:
523 wpa_supplicant_wps_event_er_ap_remove(wpa_s, &data->ap);
524 break;
525 case WPS_EV_ER_ENROLLEE_ADD:
526 wpa_supplicant_wps_event_er_enrollee_add(wpa_s,
527 &data->enrollee);
528 break;
529 case WPS_EV_ER_ENROLLEE_REMOVE:
530 wpa_supplicant_wps_event_er_enrollee_remove(wpa_s,
531 &data->enrollee);
532 break;
Jouni Malinen15dbf122010-05-27 15:24:45 +0300533 case WPS_EV_ER_AP_SETTINGS:
534 wpa_supplicant_wps_event_er_ap_settings(wpa_s,
535 &data->ap_settings);
536 break;
Jouni Malinen4b682902008-12-18 21:58:42 +0200537 }
538}
539
540
Jouni Malinenf90c86d2009-01-03 19:50:49 +0200541enum wps_request_type wpas_wps_get_req_type(struct wpa_ssid *ssid)
Jouni Malinenfa201b62008-11-28 19:46:22 +0200542{
Jouni Malinenb01c18a2008-11-29 13:38:03 +0200543 if (eap_is_wps_pbc_enrollee(&ssid->eap) ||
544 eap_is_wps_pin_enrollee(&ssid->eap))
545 return WPS_REQ_ENROLLEE;
546 else
547 return WPS_REQ_REGISTRAR;
Jouni Malinenfa201b62008-11-28 19:46:22 +0200548}
Jouni Malinen116654c2008-11-28 20:32:13 +0200549
550
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200551static void wpas_clear_wps(struct wpa_supplicant *wpa_s)
552{
553 int id;
Jouni Malinen8bac4662009-09-13 20:53:32 +0300554 struct wpa_ssid *ssid, *remove_ssid = NULL;
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200555
556 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
557
558 /* Remove any existing WPS network from configuration */
559 ssid = wpa_s->conf->ssid;
560 while (ssid) {
Jouni Malinenf0477202008-12-18 01:06:06 +0200561 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
Jouni Malinen8bac4662009-09-13 20:53:32 +0300562 if (ssid == wpa_s->current_ssid) {
Jouni Malinenf0477202008-12-18 01:06:06 +0200563 wpa_s->current_ssid = NULL;
Jouni Malinen8bac4662009-09-13 20:53:32 +0300564 if (ssid != NULL)
565 wpas_notify_network_changed(wpa_s);
566 }
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200567 id = ssid->id;
Jouni Malinen8bac4662009-09-13 20:53:32 +0300568 remove_ssid = ssid;
Jouni Malinenf0477202008-12-18 01:06:06 +0200569 } else
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200570 id = -1;
571 ssid = ssid->next;
Jouni Malinen8bac4662009-09-13 20:53:32 +0300572 if (id >= 0) {
573 wpas_notify_network_removed(wpa_s, remove_ssid);
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200574 wpa_config_remove_network(wpa_s->conf, id);
Jouni Malinen8bac4662009-09-13 20:53:32 +0300575 }
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200576 }
577}
578
579
580static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx)
581{
582 struct wpa_supplicant *wpa_s = eloop_ctx;
Jouni Malinena6099152009-01-23 13:10:58 +0200583 wpa_printf(MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed "
584 "out");
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200585 wpas_clear_wps(wpa_s);
586}
587
588
589static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s,
590 int registrar, const u8 *bssid)
591{
592 struct wpa_ssid *ssid;
593
594 ssid = wpa_config_add_network(wpa_s->conf);
595 if (ssid == NULL)
596 return NULL;
Jouni Malinen8bac4662009-09-13 20:53:32 +0300597 wpas_notify_network_added(wpa_s, ssid);
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200598 wpa_config_set_network_defaults(ssid);
599 if (wpa_config_set(ssid, "key_mgmt", "WPS", 0) < 0 ||
600 wpa_config_set(ssid, "eap", "WSC", 0) < 0 ||
601 wpa_config_set(ssid, "identity", registrar ?
602 "\"" WSC_ID_REGISTRAR "\"" :
603 "\"" WSC_ID_ENROLLEE "\"", 0) < 0) {
Jouni Malinen8bac4662009-09-13 20:53:32 +0300604 wpas_notify_network_removed(wpa_s, ssid);
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200605 wpa_config_remove_network(wpa_s->conf, ssid->id);
606 return NULL;
607 }
608
609 if (bssid) {
Jouni Malinen59f2caa2010-01-02 13:36:12 +0200610 struct wpa_bss *bss;
Jouni Malinenf7e54362009-12-28 16:07:15 +0200611 int count = 0;
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200612
613 os_memcpy(ssid->bssid, bssid, ETH_ALEN);
Jouni Malinen24c23d12008-12-20 22:55:02 +0200614 ssid->bssid_set = 1;
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200615
Jouni Malinen59f2caa2010-01-02 13:36:12 +0200616 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
617 if (os_memcmp(bssid, bss->bssid, ETH_ALEN) != 0)
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200618 continue;
619
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200620 os_free(ssid->ssid);
Jouni Malinen59f2caa2010-01-02 13:36:12 +0200621 ssid->ssid = os_malloc(bss->ssid_len);
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200622 if (ssid->ssid == NULL)
623 break;
Jouni Malinen59f2caa2010-01-02 13:36:12 +0200624 os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len);
625 ssid->ssid_len = bss->ssid_len;
Jouni Malinenf7e54362009-12-28 16:07:15 +0200626 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Picked SSID from "
627 "scan results",
628 ssid->ssid, ssid->ssid_len);
629 count++;
630 }
631
632 if (count > 1) {
633 wpa_printf(MSG_DEBUG, "WPS: More than one SSID found "
634 "for the AP; use wildcard");
635 os_free(ssid->ssid);
636 ssid->ssid = NULL;
637 ssid->ssid_len = 0;
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200638 }
639 }
640
641 return ssid;
642}
643
644
645static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s,
646 struct wpa_ssid *selected)
647{
648 struct wpa_ssid *ssid;
649
650 /* Mark all other networks disabled and trigger reassociation */
651 ssid = wpa_s->conf->ssid;
652 while (ssid) {
Jouni Malinen8bac4662009-09-13 20:53:32 +0300653 int was_disabled = ssid->disabled;
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200654 ssid->disabled = ssid != selected;
Jouni Malinen8bac4662009-09-13 20:53:32 +0300655 if (was_disabled != ssid->disabled)
656 wpas_notify_network_enabled_changed(wpa_s, ssid);
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200657 ssid = ssid->next;
658 }
659 wpa_s->disconnected = 0;
660 wpa_s->reassociate = 1;
Jouni Malinena6099152009-01-23 13:10:58 +0200661 wpa_s->scan_runs = 0;
662 wpa_s->wps_success = 0;
663 wpa_s->blacklist_cleared = 0;
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200664 wpa_supplicant_req_scan(wpa_s, 0, 0);
665}
666
667
668int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid)
669{
670 struct wpa_ssid *ssid;
671 wpas_clear_wps(wpa_s);
672 ssid = wpas_wps_add_network(wpa_s, 0, bssid);
673 if (ssid == NULL)
674 return -1;
675 wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0);
Jouni Malinen42f50262010-07-22 10:24:23 -0700676 if (wpa_s->wps_fragment_size)
677 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200678 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
679 wpa_s, NULL);
680 wpas_wps_reassoc(wpa_s, ssid);
681 return 0;
682}
683
684
685int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
686 const char *pin)
687{
688 struct wpa_ssid *ssid;
Masashi Honma46bdb832009-02-26 21:57:38 +0200689 char val[128];
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200690 unsigned int rpin = 0;
691
692 wpas_clear_wps(wpa_s);
693 ssid = wpas_wps_add_network(wpa_s, 0, bssid);
694 if (ssid == NULL)
695 return -1;
696 if (pin)
697 os_snprintf(val, sizeof(val), "\"pin=%s\"", pin);
698 else {
699 rpin = wps_generate_pin();
700 os_snprintf(val, sizeof(val), "\"pin=%08d\"", rpin);
701 }
702 wpa_config_set(ssid, "phase1", val, 0);
Jouni Malinen42f50262010-07-22 10:24:23 -0700703 if (wpa_s->wps_fragment_size)
704 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200705 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
706 wpa_s, NULL);
707 wpas_wps_reassoc(wpa_s, ssid);
708 return rpin;
709}
710
711
Jouni Malinen116f7bb2009-02-26 22:10:21 +0200712#ifdef CONFIG_WPS_OOB
Masashi Honma46bdb832009-02-26 21:57:38 +0200713int wpas_wps_start_oob(struct wpa_supplicant *wpa_s, char *device_type,
Masashi Honmae1ee6b62009-03-06 16:16:22 +0200714 char *path, char *method, char *name)
Masashi Honma46bdb832009-02-26 21:57:38 +0200715{
716 struct wps_context *wps = wpa_s->wps;
Jouni Malinen7cbf51b2009-02-26 22:07:55 +0200717 struct oob_device_data *oob_dev;
Masashi Honma46bdb832009-02-26 21:57:38 +0200718
Jouni Malinen7cbf51b2009-02-26 22:07:55 +0200719 oob_dev = wps_get_oob_device(device_type);
720 if (oob_dev == NULL)
Masashi Honma46bdb832009-02-26 21:57:38 +0200721 return -1;
Jouni Malinen7cbf51b2009-02-26 22:07:55 +0200722 oob_dev->device_path = path;
Masashi Honmae1ee6b62009-03-06 16:16:22 +0200723 oob_dev->device_name = name;
Masashi Honma46bdb832009-02-26 21:57:38 +0200724 wps->oob_conf.oob_method = wps_get_oob_method(method);
725
Jouni Malinend5e2b2d2009-02-26 22:09:35 +0200726 if (wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E) {
727 /*
728 * Use pre-configured DH keys in order to be able to write the
729 * key hash into the OOB file.
730 */
731 wpabuf_free(wps->dh_pubkey);
732 wpabuf_free(wps->dh_privkey);
733 wps->dh_privkey = NULL;
Jouni Malinenf0421222009-10-11 19:17:22 +0300734 wps->dh_pubkey = NULL;
735 dh5_free(wps->dh_ctx);
736 wps->dh_ctx = dh5_init(&wps->dh_privkey, &wps->dh_pubkey);
Jouni Malinend5e2b2d2009-02-26 22:09:35 +0200737 wps->dh_pubkey = wpabuf_zeropad(wps->dh_pubkey, 192);
Jouni Malinenf0421222009-10-11 19:17:22 +0300738 if (wps->dh_ctx == NULL || wps->dh_pubkey == NULL) {
Jouni Malinend5e2b2d2009-02-26 22:09:35 +0200739 wpa_printf(MSG_ERROR, "WPS: Failed to initialize "
740 "Diffie-Hellman handshake");
741 return -1;
742 }
743 }
744
Masashi Honma46bdb832009-02-26 21:57:38 +0200745 if (wps->oob_conf.oob_method == OOB_METHOD_CRED)
746 wpas_clear_wps(wpa_s);
747
Jouni Malinen7cbf51b2009-02-26 22:07:55 +0200748 if (wps_process_oob(wps, oob_dev, 0) < 0)
Masashi Honma46bdb832009-02-26 21:57:38 +0200749 return -1;
750
751 if ((wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E ||
752 wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_R) &&
753 wpas_wps_start_pin(wpa_s, NULL,
754 wpabuf_head(wps->oob_conf.dev_password)) < 0)
755 return -1;
756
757 return 0;
758}
Jouni Malinen116f7bb2009-02-26 22:10:21 +0200759#endif /* CONFIG_WPS_OOB */
Masashi Honma46bdb832009-02-26 21:57:38 +0200760
761
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200762int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid,
Jouni Malinen52eb2932009-09-06 13:58:15 +0300763 const char *pin, struct wps_new_ap_settings *settings)
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200764{
765 struct wpa_ssid *ssid;
Jouni Malinen52eb2932009-09-06 13:58:15 +0300766 char val[200];
767 char *pos, *end;
768 int res;
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200769
770 if (!pin)
771 return -1;
772 wpas_clear_wps(wpa_s);
773 ssid = wpas_wps_add_network(wpa_s, 1, bssid);
774 if (ssid == NULL)
775 return -1;
Jouni Malinen52eb2932009-09-06 13:58:15 +0300776 pos = val;
777 end = pos + sizeof(val);
778 res = os_snprintf(pos, end - pos, "\"pin=%s", pin);
779 if (res < 0 || res >= end - pos)
780 return -1;
781 pos += res;
782 if (settings) {
783 res = os_snprintf(pos, end - pos, " new_ssid=%s new_auth=%s "
784 "new_encr=%s new_key=%s",
785 settings->ssid_hex, settings->auth,
786 settings->encr, settings->key_hex);
787 if (res < 0 || res >= end - pos)
788 return -1;
789 pos += res;
790 }
791 res = os_snprintf(pos, end - pos, "\"");
792 if (res < 0 || res >= end - pos)
793 return -1;
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200794 wpa_config_set(ssid, "phase1", val, 0);
Jouni Malinen42f50262010-07-22 10:24:23 -0700795 if (wpa_s->wps_fragment_size)
796 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200797 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
798 wpa_s, NULL);
799 wpas_wps_reassoc(wpa_s, ssid);
800 return 0;
801}
802
803
Jouni Malinenc5adf522009-01-03 20:18:35 +0200804static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *psk,
805 size_t psk_len)
806{
807 wpa_printf(MSG_DEBUG, "WPS: Received new WPA/WPA2-PSK from WPS for "
808 "STA " MACSTR, MAC2STR(mac_addr));
809 wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len);
810
811 /* TODO */
812
813 return 0;
814}
815
816
817static void wpas_wps_pin_needed_cb(void *ctx, const u8 *uuid_e,
818 const struct wps_device_data *dev)
819{
820 char uuid[40], txt[400];
821 int len;
Jouni Malinen96750ea2009-11-26 11:39:29 +0200822 char devtype[WPS_DEV_TYPE_BUFSIZE];
Jouni Malinenc5adf522009-01-03 20:18:35 +0200823 if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
824 return;
825 wpa_printf(MSG_DEBUG, "WPS: PIN needed for UUID-E %s", uuid);
826 len = os_snprintf(txt, sizeof(txt), "WPS-EVENT-PIN-NEEDED %s " MACSTR
Jouni Malinen96750ea2009-11-26 11:39:29 +0200827 " [%s|%s|%s|%s|%s|%s]",
Jouni Malinenc5adf522009-01-03 20:18:35 +0200828 uuid, MAC2STR(dev->mac_addr), dev->device_name,
829 dev->manufacturer, dev->model_name,
830 dev->model_number, dev->serial_number,
Jouni Malinen96750ea2009-11-26 11:39:29 +0200831 wps_dev_type_bin2str(dev->pri_dev_type, devtype,
832 sizeof(devtype)));
Jouni Malinenc5adf522009-01-03 20:18:35 +0200833 if (len > 0 && len < (int) sizeof(txt))
834 wpa_printf(MSG_INFO, "%s", txt);
835}
836
837
Jouni Malinen72df2f52009-11-13 22:07:11 +0200838static void wpas_wps_set_sel_reg_cb(void *ctx, int sel_reg, u16 dev_passwd_id,
839 u16 sel_reg_config_methods)
840{
841#ifdef CONFIG_WPS_ER
842 struct wpa_supplicant *wpa_s = ctx;
843
844 if (wpa_s->wps_er == NULL)
845 return;
Jouni Malinenad474112010-07-18 22:53:15 -0700846 wpa_printf(MSG_DEBUG, "WPS ER: SetSelectedRegistrar - sel_reg=%d "
847 "dev_password_id=%u sel_reg_config_methods=0x%x",
848 sel_reg, dev_passwd_id, sel_reg_config_methods);
Jouni Malinen72df2f52009-11-13 22:07:11 +0200849 wps_er_set_sel_reg(wpa_s->wps_er, sel_reg, dev_passwd_id,
850 sel_reg_config_methods);
851#endif /* CONFIG_WPS_ER */
852}
853
854
Jouni Malinen116654c2008-11-28 20:32:13 +0200855int wpas_wps_init(struct wpa_supplicant *wpa_s)
856{
857 struct wps_context *wps;
Jouni Malinenc5adf522009-01-03 20:18:35 +0200858 struct wps_registrar_config rcfg;
Jouni Malinen116654c2008-11-28 20:32:13 +0200859
860 wps = os_zalloc(sizeof(*wps));
861 if (wps == NULL)
862 return -1;
863
864 wps->cred_cb = wpa_supplicant_wps_cred;
Jouni Malinen4b682902008-12-18 21:58:42 +0200865 wps->event_cb = wpa_supplicant_wps_event;
Jouni Malinen116654c2008-11-28 20:32:13 +0200866 wps->cb_ctx = wpa_s;
867
Jouni Malinen3c0b7aa2008-12-13 17:20:46 +0200868 wps->dev.device_name = wpa_s->conf->device_name;
869 wps->dev.manufacturer = wpa_s->conf->manufacturer;
870 wps->dev.model_name = wpa_s->conf->model_name;
871 wps->dev.model_number = wpa_s->conf->model_number;
872 wps->dev.serial_number = wpa_s->conf->serial_number;
Jouni Malinenc0e4dd92009-12-21 15:59:25 +0200873 wps->config_methods =
874 wps_config_methods_str2bin(wpa_s->conf->config_methods);
Jouni Malinen979b9882010-07-17 20:30:49 -0700875 if ((wps->config_methods & (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
876 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
877 wpa_printf(MSG_ERROR, "WPS: Both Label and Display config "
878 "methods are not allowed at the same time");
879 os_free(wps);
880 return -1;
881 }
Jouni Malinen96750ea2009-11-26 11:39:29 +0200882 if (wpa_s->conf->device_type &&
883 wps_dev_type_str2bin(wpa_s->conf->device_type,
884 wps->dev.pri_dev_type) < 0) {
885 wpa_printf(MSG_ERROR, "WPS: Invalid device_type");
886 os_free(wps);
887 return -1;
Jouni Malinen3c0b7aa2008-12-13 17:20:46 +0200888 }
889 wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
890 wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ; /* TODO: config */
Jouni Malinen398cfbf2008-11-28 20:44:47 +0200891 os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN);
Jouni Malinen79da74a2009-01-01 22:56:52 +0200892 if (is_nil_uuid(wpa_s->conf->uuid)) {
893 uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid);
894 wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC address",
895 wps->uuid, WPS_UUID_LEN);
896 } else
897 os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
Jouni Malinen116654c2008-11-28 20:32:13 +0200898
Jouni Malinenc5adf522009-01-03 20:18:35 +0200899 wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK;
900 wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP;
901
902 os_memset(&rcfg, 0, sizeof(rcfg));
903 rcfg.new_psk_cb = wpas_wps_new_psk_cb;
904 rcfg.pin_needed_cb = wpas_wps_pin_needed_cb;
Jouni Malinen72df2f52009-11-13 22:07:11 +0200905 rcfg.set_sel_reg_cb = wpas_wps_set_sel_reg_cb;
Jouni Malinenc5adf522009-01-03 20:18:35 +0200906 rcfg.cb_ctx = wpa_s;
907
908 wps->registrar = wps_registrar_init(wps, &rcfg);
909 if (wps->registrar == NULL) {
910 wpa_printf(MSG_DEBUG, "Failed to initialize WPS Registrar");
911 os_free(wps);
912 return -1;
913 }
914
Jouni Malinen116654c2008-11-28 20:32:13 +0200915 wpa_s->wps = wps;
916
917 return 0;
918}
919
920
921void wpas_wps_deinit(struct wpa_supplicant *wpa_s)
922{
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200923 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
924
Jouni Malinen116654c2008-11-28 20:32:13 +0200925 if (wpa_s->wps == NULL)
926 return;
927
Jouni Malinena6b63072009-11-15 22:52:17 +0200928#ifdef CONFIG_WPS_ER
Jouni Malinen1a1bf002009-12-19 23:47:54 +0200929 wps_er_deinit(wpa_s->wps_er, NULL, NULL);
Jouni Malinena6b63072009-11-15 22:52:17 +0200930 wpa_s->wps_er = NULL;
931#endif /* CONFIG_WPS_ER */
932
Jouni Malinenc5adf522009-01-03 20:18:35 +0200933 wps_registrar_deinit(wpa_s->wps->registrar);
Masashi Honma46bdb832009-02-26 21:57:38 +0200934 wpabuf_free(wpa_s->wps->dh_pubkey);
935 wpabuf_free(wpa_s->wps->dh_privkey);
936 wpabuf_free(wpa_s->wps->oob_conf.pubkey_hash);
937 wpabuf_free(wpa_s->wps->oob_conf.dev_password);
Jouni Malinen116654c2008-11-28 20:32:13 +0200938 os_free(wpa_s->wps->network_key);
939 os_free(wpa_s->wps);
940 wpa_s->wps = NULL;
941}
Jouni Malinen351f09a2008-11-29 22:06:34 +0200942
943
Jouni Malinena6099152009-01-23 13:10:58 +0200944int wpas_wps_ssid_bss_match(struct wpa_supplicant *wpa_s,
945 struct wpa_ssid *ssid, struct wpa_scan_res *bss)
Jouni Malinen351f09a2008-11-29 22:06:34 +0200946{
947 struct wpabuf *wps_ie;
948
949 if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS))
950 return -1;
951
952 wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
953 if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
954 if (!wps_ie) {
955 wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
956 return 0;
957 }
958
959 if (!wps_is_selected_pbc_registrar(wps_ie)) {
960 wpa_printf(MSG_DEBUG, " skip - WPS AP "
961 "without active PBC Registrar");
962 wpabuf_free(wps_ie);
963 return 0;
964 }
965
966 /* TODO: overlap detection */
967 wpa_printf(MSG_DEBUG, " selected based on WPS IE "
968 "(Active PBC)");
969 wpabuf_free(wps_ie);
970 return 1;
971 }
972
973 if (eap_is_wps_pin_enrollee(&ssid->eap)) {
974 if (!wps_ie) {
975 wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
976 return 0;
977 }
978
Jouni Malinena6099152009-01-23 13:10:58 +0200979 /*
Jouni Malinen31fcea92009-12-12 16:40:10 +0200980 * Start with WPS APs that advertise our address as an
981 * authorized MAC (v2.0) or active PIN Registrar (v1.0) and
982 * allow any WPS AP after couple of scans since some APs do not
983 * set Selected Registrar attribute properly when using
984 * external Registrar.
Jouni Malinena6099152009-01-23 13:10:58 +0200985 */
Jouni Malinen31fcea92009-12-12 16:40:10 +0200986 if (!wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1)) {
Jouni Malinena6099152009-01-23 13:10:58 +0200987 if (wpa_s->scan_runs < WPS_PIN_SCAN_IGNORE_SEL_REG) {
988 wpa_printf(MSG_DEBUG, " skip - WPS AP "
989 "without active PIN Registrar");
990 wpabuf_free(wps_ie);
991 return 0;
992 }
993 wpa_printf(MSG_DEBUG, " selected based on WPS IE");
994 } else {
995 wpa_printf(MSG_DEBUG, " selected based on WPS IE "
Jouni Malinen31fcea92009-12-12 16:40:10 +0200996 "(Authorized MAC or Active PIN)");
Jouni Malinen351f09a2008-11-29 22:06:34 +0200997 }
Jouni Malinen351f09a2008-11-29 22:06:34 +0200998 wpabuf_free(wps_ie);
999 return 1;
1000 }
1001
1002 if (wps_ie) {
1003 wpa_printf(MSG_DEBUG, " selected based on WPS IE");
1004 wpabuf_free(wps_ie);
1005 return 1;
1006 }
1007
1008 return -1;
1009}
1010
1011
Jouni Malinena6099152009-01-23 13:10:58 +02001012int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s,
1013 struct wpa_ssid *ssid,
Jouni Malinen351f09a2008-11-29 22:06:34 +02001014 struct wpa_scan_res *bss)
1015{
1016 struct wpabuf *wps_ie = NULL;
1017 int ret = 0;
1018
1019 if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
1020 wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1021 if (wps_ie && wps_is_selected_pbc_registrar(wps_ie)) {
1022 /* allow wildcard SSID for WPS PBC */
1023 ret = 1;
1024 }
1025 } else if (eap_is_wps_pin_enrollee(&ssid->eap)) {
1026 wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
Jouni Malinena6099152009-01-23 13:10:58 +02001027 if (wps_ie &&
Jouni Malinen31fcea92009-12-12 16:40:10 +02001028 (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1) ||
Jouni Malinena6099152009-01-23 13:10:58 +02001029 wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) {
Jouni Malinen351f09a2008-11-29 22:06:34 +02001030 /* allow wildcard SSID for WPS PIN */
1031 ret = 1;
1032 }
1033 }
1034
Jouni Malinen24c23d12008-12-20 22:55:02 +02001035 if (!ret && ssid->bssid_set &&
1036 os_memcmp(ssid->bssid, bss->bssid, ETH_ALEN) == 0) {
1037 /* allow wildcard SSID due to hardcoded BSSID match */
1038 ret = 1;
1039 }
1040
Jouni Malinen54f489b2010-05-26 17:16:14 +03001041#ifdef CONFIG_WPS_STRICT
1042 if (wps_ie) {
1043 if (wps_validate_beacon_probe_resp(wps_ie, bss->beacon_ie_len >
1044 0) < 0)
1045 ret = 0;
1046 if (bss->beacon_ie_len) {
1047 struct wpabuf *bcn_wps;
1048 bcn_wps = wpa_scan_get_vendor_ie_multi_beacon(
1049 bss, WPS_IE_VENDOR_TYPE);
1050 if (bcn_wps == NULL) {
1051 wpa_printf(MSG_DEBUG, "WPS: Mandatory WPS IE "
1052 "missing from AP Beacon");
1053 ret = 0;
1054 } else {
1055 if (wps_validate_beacon(wps_ie) < 0)
1056 ret = 0;
1057 wpabuf_free(bcn_wps);
1058 }
1059 }
1060 }
1061#endif /* CONFIG_WPS_STRICT */
1062
Jouni Malinen351f09a2008-11-29 22:06:34 +02001063 wpabuf_free(wps_ie);
1064
1065 return ret;
1066}
1067
1068
1069int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s,
Jouni Malinen6fa81a32010-01-02 16:16:02 +02001070 struct wpa_bss *selected, struct wpa_ssid *ssid)
Jouni Malinen351f09a2008-11-29 22:06:34 +02001071{
1072 const u8 *sel_uuid, *uuid;
Jouni Malinen351f09a2008-11-29 22:06:34 +02001073 struct wpabuf *wps_ie;
1074 int ret = 0;
Jouni Malinen6fa81a32010-01-02 16:16:02 +02001075 struct wpa_bss *bss;
Jouni Malinen351f09a2008-11-29 22:06:34 +02001076
1077 if (!eap_is_wps_pbc_enrollee(&ssid->eap))
1078 return 0;
1079
1080 /* Make sure that only one AP is in active PBC mode */
Jouni Malinen6fa81a32010-01-02 16:16:02 +02001081 wps_ie = wpa_bss_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE);
Jouni Malinen351f09a2008-11-29 22:06:34 +02001082 if (wps_ie)
1083 sel_uuid = wps_get_uuid_e(wps_ie);
1084 else
1085 sel_uuid = NULL;
Jouni Malinen351f09a2008-11-29 22:06:34 +02001086
Jouni Malinen6fa81a32010-01-02 16:16:02 +02001087 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
Jouni Malinen351f09a2008-11-29 22:06:34 +02001088 struct wpabuf *ie;
1089 if (bss == selected)
1090 continue;
Jouni Malinen6fa81a32010-01-02 16:16:02 +02001091 ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
Jouni Malinen351f09a2008-11-29 22:06:34 +02001092 if (!ie)
1093 continue;
1094 if (!wps_is_selected_pbc_registrar(ie)) {
1095 wpabuf_free(ie);
1096 continue;
1097 }
1098 uuid = wps_get_uuid_e(ie);
Jouni Malinen44cd4302008-12-21 17:28:01 +02001099 if (sel_uuid == NULL || uuid == NULL ||
1100 os_memcmp(sel_uuid, uuid, 16) != 0) {
Jouni Malinen351f09a2008-11-29 22:06:34 +02001101 ret = 1; /* PBC overlap */
1102 wpabuf_free(ie);
1103 break;
1104 }
1105
1106 /* TODO: verify that this is reasonable dual-band situation */
Jouni Malinen484957a2008-12-15 19:50:53 +02001107
1108 wpabuf_free(ie);
Jouni Malinen351f09a2008-11-29 22:06:34 +02001109 }
1110
1111 wpabuf_free(wps_ie);
1112
1113 return ret;
1114}
Jouni Malinena524f052008-12-15 20:09:57 +02001115
1116
1117void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s)
1118{
Jouni Malinen6fa81a32010-01-02 16:16:02 +02001119 struct wpa_bss *bss;
Jouni Malinena524f052008-12-15 20:09:57 +02001120
1121 if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED)
1122 return;
1123
Jouni Malinen6fa81a32010-01-02 16:16:02 +02001124 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
Jouni Malinena524f052008-12-15 20:09:57 +02001125 struct wpabuf *ie;
Jouni Malinen6fa81a32010-01-02 16:16:02 +02001126 ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
Jouni Malinena524f052008-12-15 20:09:57 +02001127 if (!ie)
1128 continue;
1129 if (wps_is_selected_pbc_registrar(ie))
Jouni Malinen332d6302009-12-28 00:44:10 +02001130 wpa_msg_ctrl(wpa_s, MSG_INFO,
1131 WPS_EVENT_AP_AVAILABLE_PBC);
Jouni Malinen31fcea92009-12-12 16:40:10 +02001132 else if (wps_is_addr_authorized(ie, wpa_s->own_addr, 0))
1133 wpa_msg_ctrl(wpa_s, MSG_INFO,
1134 WPS_EVENT_AP_AVAILABLE_AUTH);
Jouni Malinena524f052008-12-15 20:09:57 +02001135 else if (wps_is_selected_pin_registrar(ie))
Jouni Malinen332d6302009-12-28 00:44:10 +02001136 wpa_msg_ctrl(wpa_s, MSG_INFO,
1137 WPS_EVENT_AP_AVAILABLE_PIN);
Jouni Malinena524f052008-12-15 20:09:57 +02001138 else
Jouni Malinen332d6302009-12-28 00:44:10 +02001139 wpa_msg_ctrl(wpa_s, MSG_INFO,
1140 WPS_EVENT_AP_AVAILABLE);
Jouni Malinena524f052008-12-15 20:09:57 +02001141 wpabuf_free(ie);
1142 break;
1143 }
1144}
Jouni Malinen24c23d12008-12-20 22:55:02 +02001145
1146
1147int wpas_wps_searching(struct wpa_supplicant *wpa_s)
1148{
1149 struct wpa_ssid *ssid;
1150
1151 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1152 if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && !ssid->disabled)
1153 return 1;
1154 }
1155
1156 return 0;
1157}
Jouni Malinen611ed492009-09-11 17:14:49 +03001158
1159
1160int wpas_wps_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
1161 char *end)
1162{
1163 struct wpabuf *wps_ie;
1164 int ret;
1165
1166 wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len, WPS_DEV_OUI_WFA);
1167 if (wps_ie == NULL)
1168 return 0;
1169
1170 ret = wps_attr_text(wps_ie, buf, end);
1171 wpabuf_free(wps_ie);
1172 return ret;
1173}
Jouni Malinene9bcfeb2009-11-07 12:41:01 +02001174
1175
Jouni Malinen08486682010-05-27 15:23:55 +03001176int wpas_wps_er_start(struct wpa_supplicant *wpa_s, const char *filter)
Jouni Malinene9bcfeb2009-11-07 12:41:01 +02001177{
1178#ifdef CONFIG_WPS_ER
1179 if (wpa_s->wps_er) {
Jouni Malinenb3f371c2009-11-20 21:57:30 +02001180 wps_er_refresh(wpa_s->wps_er);
Jouni Malinene9bcfeb2009-11-07 12:41:01 +02001181 return 0;
1182 }
Jouni Malinen08486682010-05-27 15:23:55 +03001183 wpa_s->wps_er = wps_er_init(wpa_s->wps, wpa_s->ifname, filter);
Jouni Malinene9bcfeb2009-11-07 12:41:01 +02001184 if (wpa_s->wps_er == NULL)
1185 return -1;
1186 return 0;
1187#else /* CONFIG_WPS_ER */
1188 return 0;
1189#endif /* CONFIG_WPS_ER */
1190}
1191
1192
1193int wpas_wps_er_stop(struct wpa_supplicant *wpa_s)
1194{
1195#ifdef CONFIG_WPS_ER
Jouni Malinen1a1bf002009-12-19 23:47:54 +02001196 wps_er_deinit(wpa_s->wps_er, NULL, NULL);
Jouni Malinene9bcfeb2009-11-07 12:41:01 +02001197 wpa_s->wps_er = NULL;
1198#endif /* CONFIG_WPS_ER */
1199 return 0;
1200}
Jouni Malinen72df2f52009-11-13 22:07:11 +02001201
1202
1203#ifdef CONFIG_WPS_ER
Jouni Malinen31fcea92009-12-12 16:40:10 +02001204int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const u8 *addr,
1205 const char *uuid, const char *pin)
Jouni Malinen72df2f52009-11-13 22:07:11 +02001206{
1207 u8 u[UUID_LEN];
1208 int any = 0;
1209
1210 if (os_strcmp(uuid, "any") == 0)
1211 any = 1;
1212 else if (uuid_str2bin(uuid, u))
1213 return -1;
Jouni Malinen31fcea92009-12-12 16:40:10 +02001214 return wps_registrar_add_pin(wpa_s->wps->registrar, addr,
1215 any ? NULL : u,
Jouni Malinen72df2f52009-11-13 22:07:11 +02001216 (const u8 *) pin, os_strlen(pin), 300);
1217}
Jouni Malinen564cd7f2009-11-15 18:46:03 +02001218
1219
1220int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid)
1221{
1222 u8 u[UUID_LEN];
1223
1224 if (uuid_str2bin(uuid, u))
1225 return -1;
1226 return wps_er_pbc(wpa_s->wps_er, u);
1227}
Jouni Malinene64dcfd2009-11-15 22:27:06 +02001228
1229
1230int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid,
1231 const char *pin)
1232{
1233 u8 u[UUID_LEN];
1234
1235 if (uuid_str2bin(uuid, u))
1236 return -1;
1237 return wps_er_learn(wpa_s->wps_er, u, (const u8 *) pin,
1238 os_strlen(pin));
1239}
Jouni Malinen1a1bf002009-12-19 23:47:54 +02001240
1241
Jouni Malinen7d6640a2010-05-28 00:01:48 +03001242int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid,
1243 const char *pin, struct wps_new_ap_settings *settings)
1244{
1245 u8 u[UUID_LEN];
1246 struct wps_credential cred;
1247 size_t len;
1248
1249 if (uuid_str2bin(uuid, u))
1250 return -1;
1251 if (settings->ssid_hex == NULL || settings->auth == NULL ||
1252 settings->encr == NULL || settings->key_hex == NULL)
1253 return -1;
1254
1255 os_memset(&cred, 0, sizeof(cred));
1256 len = os_strlen(settings->ssid_hex);
1257 if ((len & 1) || len > 2 * sizeof(cred.ssid) ||
1258 hexstr2bin(settings->ssid_hex, cred.ssid, len / 2))
1259 return -1;
1260 cred.ssid_len = len / 2;
1261
1262 len = os_strlen(settings->key_hex);
1263 if ((len & 1) || len > 2 * sizeof(cred.key) ||
1264 hexstr2bin(settings->key_hex, cred.key, len / 2))
1265 return -1;
1266 cred.key_len = len / 2;
1267
1268 if (os_strcmp(settings->auth, "OPEN") == 0)
1269 cred.auth_type = WPS_AUTH_OPEN;
1270 else if (os_strcmp(settings->auth, "WPAPSK") == 0)
1271 cred.auth_type = WPS_AUTH_WPAPSK;
1272 else if (os_strcmp(settings->auth, "WPA2PSK") == 0)
1273 cred.auth_type = WPS_AUTH_WPA2PSK;
1274 else
1275 return -1;
1276
1277 if (os_strcmp(settings->encr, "NONE") == 0)
1278 cred.encr_type = WPS_ENCR_NONE;
1279 else if (os_strcmp(settings->encr, "WEP") == 0)
1280 cred.encr_type = WPS_ENCR_WEP;
1281 else if (os_strcmp(settings->encr, "TKIP") == 0)
1282 cred.encr_type = WPS_ENCR_TKIP;
1283 else if (os_strcmp(settings->encr, "CCMP") == 0)
1284 cred.encr_type = WPS_ENCR_AES;
1285 else
1286 return -1;
1287
1288 return wps_er_config(wpa_s->wps_er, u, (const u8 *) pin,
1289 os_strlen(pin), &cred);
1290}
1291
1292
Jouni Malinen1a1bf002009-12-19 23:47:54 +02001293static void wpas_wps_terminate_cb(void *ctx)
1294{
1295 wpa_printf(MSG_DEBUG, "WPS ER: Terminated");
1296 eloop_terminate();
1297}
Jouni Malinen72df2f52009-11-13 22:07:11 +02001298#endif /* CONFIG_WPS_ER */
Jouni Malinen1a1bf002009-12-19 23:47:54 +02001299
1300
1301int wpas_wps_terminate_pending(struct wpa_supplicant *wpa_s)
1302{
1303#ifdef CONFIG_WPS_ER
1304 if (wpa_s->wps_er) {
1305 wps_er_deinit(wpa_s->wps_er, wpas_wps_terminate_cb, wpa_s);
1306 wpa_s->wps_er = NULL;
1307 return 1;
1308 }
1309#endif /* CONFIG_WPS_ER */
1310 return 0;
1311}
Jouni Malinen41e650a2010-06-11 13:50:13 -07001312
1313
1314int wpas_wps_in_progress(struct wpa_supplicant *wpa_s)
1315{
1316 struct wpa_ssid *ssid;
1317
1318 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1319 if (!ssid->disabled && ssid->key_mgmt == WPA_KEY_MGMT_WPS)
1320 return 1;
1321 }
1322
1323 return 0;
1324}