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wpa_supplicant: Basic support for PBSS/PCP
[thirdparty/hostap.git] / wpa_supplicant / wps_supplicant.c
CommitLineData
fa201b69
JM		 1/*
2 * wpa_supplicant / WPS integration
95fb2db2 3 * Copyright (c) 2008-2014, Jouni Malinen <j@w1.fi>
fa201b69 4 *
0f3d578e
JM		 5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
fa201b69
JM		 7 */
8
9#include "includes.h"
10
11#include "common.h"
03da66bd
JM		 12#include "eloop.h"
13#include "uuid.h"
3f2c8ba6 14#include "crypto/random.h"
03da66bd 15#include "crypto/dh_group5.h"
90973fb2
JM		 16#include "common/ieee802_11_defs.h"
17#include "common/ieee802_11_common.h"
18#include "common/wpa_common.h"
03da66bd
JM		 19#include "common/wpa_ctrl.h"
20#include "eap_common/eap_wsc_common.h"
b01c18a8 21#include "eap_peer/eap.h"
20a0b03d 22#include "eapol_supp/eapol_supp_sm.h"
03da66bd 23#include "rsn_supp/wpa.h"
d7645d23 24#include "wps/wps_attr_parse.h"
03da66bd 25#include "config.h"
fa201b69 26#include "wpa_supplicant_i.h"
2d5b792d 27#include "driver_i.h"
8bac466b 28#include "notify.h"
a6099152 29#include "blacklist.h"
59f2caa9 30#include "bss.h"
9ba9fa07 31#include "scan.h"
2f9929ff 32#include "ap.h"
e9a7ae41 33#include "p2p/p2p.h"
b22128ef 34#include "p2p_supplicant.h"
fa201b69
JM		 35#include "wps_supplicant.h"
36
f7e54365 37
31fcea93 38#ifndef WPS_PIN_SCAN_IGNORE_SEL_REG
a6099152 39#define WPS_PIN_SCAN_IGNORE_SEL_REG 3
31fcea93 40#endif /* WPS_PIN_SCAN_IGNORE_SEL_REG */
fa201b69 41
e7d20342
HW		 42/*
43 * The minimum time in seconds before trying to associate to a WPS PIN AP that
44 * does not have Selected Registrar TRUE.
45 */
46#ifndef WPS_PIN_TIME_IGNORE_SEL_REG
47#define WPS_PIN_TIME_IGNORE_SEL_REG 5
48#endif /* WPS_PIN_TIME_IGNORE_SEL_REG */
49
fcc60db4 50static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx);
469fc3a4 51static void wpas_clear_wps(struct wpa_supplicant *wpa_s);
fcc60db4
JM		 52
53
f9f0526b
JM		 54static void wpas_wps_clear_ap_info(struct wpa_supplicant *wpa_s)
55{
56 os_free(wpa_s->wps_ap);
57 wpa_s->wps_ap = NULL;
58 wpa_s->num_wps_ap = 0;
59 wpa_s->wps_ap_iter = 0;
60}
61
62
150fd0b2
JM		 63static void wpas_wps_assoc_with_cred(void *eloop_ctx, void *timeout_ctx)
64{
65 struct wpa_supplicant *wpa_s = eloop_ctx;
66 int use_fast_assoc = timeout_ctx != NULL;
67
68 wpa_printf(MSG_DEBUG, "WPS: Continuing association after eapol_cb");
69 if (!use_fast_assoc ||
70 wpa_supplicant_fast_associate(wpa_s) != 1)
71 wpa_supplicant_req_scan(wpa_s, 0, 0);
72}
73
74
75static void wpas_wps_assoc_with_cred_cancel(struct wpa_supplicant *wpa_s)
76{
77 eloop_cancel_timeout(wpas_wps_assoc_with_cred, wpa_s, (void *) 0);
78 eloop_cancel_timeout(wpas_wps_assoc_with_cred, wpa_s, (void *) 1);
79}
80
81
fa201b69
JM		 82int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s)
83{
95fb2db2
JM		 84 if (wpas_p2p_wps_eapol_cb(wpa_s) > 0)
85 return 1;
95fb2db2 86
a6099152
JM		 87 if (!wpa_s->wps_success &&
88 wpa_s->current_ssid &&
89 eap_is_wps_pin_enrollee(&wpa_s->current_ssid->eap)) {
90 const u8 *bssid = wpa_s->bssid;
91 if (is_zero_ether_addr(bssid))
92 bssid = wpa_s->pending_bssid;
93
94 wpa_printf(MSG_DEBUG, "WPS: PIN registration with " MACSTR
95 " did not succeed - continue trying to find "
96 "suitable AP", MAC2STR(bssid));
97 wpa_blacklist_add(wpa_s, bssid);
98
99 wpa_supplicant_deauthenticate(wpa_s,
100 WLAN_REASON_DEAUTH_LEAVING);
101 wpa_s->reassociate = 1;
102 wpa_supplicant_req_scan(wpa_s,
103 wpa_s->blacklist_cleared ? 5 : 0, 0);
104 wpa_s->blacklist_cleared = 0;
105 return 1;
106 }
107
f9f0526b 108 wpas_wps_clear_ap_info(wpa_s);
fcc60db4 109 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
449adbac
CWY		 110 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && !wpa_s->wps_success)
111 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL);
fcc60db4 112
fa201b69
JM		 113 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid &&
114 !(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
f981eabc 115 int disabled = wpa_s->current_ssid->disabled;
a565c23b 116 unsigned int freq = wpa_s->assoc_freq;
97236cee
MH		 117 struct wpa_bss *bss;
118 struct wpa_ssid *ssid = NULL;
119 int use_fast_assoc = 0;
120
fa201b69 121 wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - "
a565c23b
JM		 122 "try to associate with the received credential "
123 "(freq=%u)", freq);
c2805909 124 wpa_s->own_disconnect_req = 1;
fa201b69
JM		 125 wpa_supplicant_deauthenticate(wpa_s,
126 WLAN_REASON_DEAUTH_LEAVING);
f981eabc
JM		 127 if (disabled) {
128 wpa_printf(MSG_DEBUG, "WPS: Current network is "
129 "disabled - wait for user to enable");
130 return 1;
131 }
17a4734d 132 wpa_s->after_wps = 5;
a565c23b 133 wpa_s->wps_freq = freq;
0b7a25c0 134 wpa_s->normal_scans = 0;
fa201b69 135 wpa_s->reassociate = 1;
97236cee
MH		 136
137 wpa_printf(MSG_DEBUG, "WPS: Checking whether fast association "
138 "without a new scan can be used");
139 bss = wpa_supplicant_pick_network(wpa_s, &ssid);
140 if (bss) {
141 struct wpabuf *wps;
142 struct wps_parse_attr attr;
143
144 wps = wpa_bss_get_vendor_ie_multi(bss,
145 WPS_IE_VENDOR_TYPE);
146 if (wps && wps_parse_msg(wps, &attr) == 0 &&
147 attr.wps_state &&
148 *attr.wps_state == WPS_STATE_CONFIGURED)
149 use_fast_assoc = 1;
150 wpabuf_free(wps);
151 }
152
150fd0b2
JM		 153 /*
154 * Complete the next step from an eloop timeout to allow pending
155 * driver events related to the disconnection to be processed
156 * first. This makes it less likely for disconnection event to
157 * cause problems with the following connection.
158 */
159 wpa_printf(MSG_DEBUG, "WPS: Continue association from timeout");
160 wpas_wps_assoc_with_cred_cancel(wpa_s);
161 eloop_register_timeout(0, 10000,
162 wpas_wps_assoc_with_cred, wpa_s,
163 use_fast_assoc ? (void *) 1 :
164 (void *) 0);
fa201b69
JM		 165 return 1;
166 }
167
47662164
JM		 168 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid) {
169 wpa_printf(MSG_DEBUG, "WPS: Registration completed - waiting "
170 "for external credential processing");
171 wpas_clear_wps(wpa_s);
c2805909 172 wpa_s->own_disconnect_req = 1;
47662164
JM		 173 wpa_supplicant_deauthenticate(wpa_s,
174 WLAN_REASON_DEAUTH_LEAVING);
175 return 1;
176 }
177
fa201b69
JM		 178 return 0;
179}
180
181
7cc1b6c9
JM		 182static void wpas_wps_security_workaround(struct wpa_supplicant *wpa_s,
183 struct wpa_ssid *ssid,
184 const struct wps_credential *cred)
185{
186 struct wpa_driver_capa capa;
59f2caa9 187 struct wpa_bss *bss;
7cc1b6c9
JM		 188 const u8 *ie;
189 struct wpa_ie_data adv;
190 int wpa2 = 0, ccmp = 0;
191
192 /*
193 * Many existing WPS APs do not know how to negotiate WPA2 or CCMP in
194 * case they are configured for mixed mode operation (WPA+WPA2 and
195 * TKIP+CCMP). Try to use scan results to figure out whether the AP
196 * actually supports stronger security and select that if the client
197 * has support for it, too.
198 */
199
200 if (wpa_drv_get_capa(wpa_s, &capa))
201 return; /* Unknown what driver supports */
202
d87e90b6
JM		 203 if (ssid->ssid == NULL)
204 return;
59f2caa9
JM		 205 bss = wpa_bss_get(wpa_s, cred->mac_addr, ssid->ssid, ssid->ssid_len);
206 if (bss == NULL) {
207 wpa_printf(MSG_DEBUG, "WPS: The AP was not found from BSS "
208 "table - use credential as-is");
7cc1b6c9
JM		 209 return;
210 }
211
59f2caa9
JM		 212 wpa_printf(MSG_DEBUG, "WPS: AP found from BSS table");
213
214 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
7cc1b6c9
JM		 215 if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0) {
216 wpa2 = 1;
217 if (adv.pairwise_cipher & WPA_CIPHER_CCMP)
218 ccmp = 1;
219 } else {
59f2caa9 220 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
7cc1b6c9
JM		 221 if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0 &&
222 adv.pairwise_cipher & WPA_CIPHER_CCMP)
223 ccmp = 1;
224 }
225
226 if (ie == NULL && (ssid->proto & WPA_PROTO_WPA) &&
227 (ssid->pairwise_cipher & WPA_CIPHER_TKIP)) {
228 /*
229 * TODO: This could be the initial AP configuration and the
230 * Beacon contents could change shortly. Should request a new
231 * scan and delay addition of the network until the updated
232 * scan results are available.
233 */
234 wpa_printf(MSG_DEBUG, "WPS: The AP did not yet advertise WPA "
235 "support - use credential as-is");
236 return;
237 }
238
239 if (ccmp && !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) &&
240 (ssid->pairwise_cipher & WPA_CIPHER_TKIP) &&
241 (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
242 wpa_printf(MSG_DEBUG, "WPS: Add CCMP into the credential "
243 "based on scan results");
244 if (wpa_s->conf->ap_scan == 1)
245 ssid->pairwise_cipher |= WPA_CIPHER_CCMP;
246 else
247 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
248 }
249
250 if (wpa2 && !(ssid->proto & WPA_PROTO_RSN) &&
251 (ssid->proto & WPA_PROTO_WPA) &&
252 (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP)) {
253 wpa_printf(MSG_DEBUG, "WPS: Add WPA2 into the credential "
254 "based on scan results");
255 if (wpa_s->conf->ap_scan == 1)
256 ssid->proto |= WPA_PROTO_RSN;
257 else
258 ssid->proto = WPA_PROTO_RSN;
259 }
260}
261
262
741ed9fc
VK		 263static void wpas_wps_remove_dup_network(struct wpa_supplicant *wpa_s,
264 struct wpa_ssid *new_ssid)
265{
266 struct wpa_ssid *ssid, *next;
267
268 for (ssid = wpa_s->conf->ssid, next = ssid ? ssid->next : NULL; ssid;
269 ssid = next, next = ssid ? ssid->next : NULL) {
270 /*
271 * new_ssid has already been added to the list in
272 * wpas_wps_add_network(), so skip it.
273 */
274 if (ssid == new_ssid)
275 continue;
276
277 if (ssid->bssid_set || new_ssid->bssid_set) {
278 if (ssid->bssid_set != new_ssid->bssid_set)
279 continue;
280 if (os_memcmp(ssid->bssid, new_ssid->bssid, ETH_ALEN) !=
281 0)
282 continue;
283 }
284
285 /* compare SSID */
286 if (ssid->ssid_len == 0 || ssid->ssid_len != new_ssid->ssid_len)
287 continue;
288
289 if (ssid->ssid && new_ssid->ssid) {
290 if (os_memcmp(ssid->ssid, new_ssid->ssid,
291 ssid->ssid_len) != 0)
292 continue;
293 } else if (ssid->ssid || new_ssid->ssid)
294 continue;
295
296 /* compare security parameters */
297 if (ssid->auth_alg != new_ssid->auth_alg ||
298 ssid->key_mgmt != new_ssid->key_mgmt ||
d77419d2
AM		 299 (ssid->group_cipher != new_ssid->group_cipher &&
300 !(ssid->group_cipher & new_ssid->group_cipher &
301 WPA_CIPHER_CCMP)))
741ed9fc
VK		 302 continue;
303
e5a4b85b
HW		 304 /*
305 * Some existing WPS APs will send two creds in case they are
306 * configured for mixed mode operation (WPA+WPA2 and TKIP+CCMP).
307 * Try to merge these two creds if they are received in the same
308 * M8 message.
309 */
310 if (ssid->wps_run && ssid->wps_run == new_ssid->wps_run &&
311 wpa_key_mgmt_wpa_psk(ssid->key_mgmt)) {
312 if (new_ssid->passphrase && ssid->passphrase &&
313 os_strcmp(new_ssid->passphrase, ssid->passphrase) !=
314 0) {
315 wpa_printf(MSG_DEBUG,
316 "WPS: M8 Creds with different passphrase - do not merge");
317 continue;
318 }
319
320 if (new_ssid->psk_set &&
321 (!ssid->psk_set ||
322 os_memcmp(new_ssid->psk, ssid->psk, 32) != 0)) {
323 wpa_printf(MSG_DEBUG,
324 "WPS: M8 Creds with different PSK - do not merge");
325 continue;
326 }
327
328 if ((new_ssid->passphrase && !ssid->passphrase) ||
329 (!new_ssid->passphrase && ssid->passphrase)) {
330 wpa_printf(MSG_DEBUG,
331 "WPS: M8 Creds with different passphrase/PSK type - do not merge");
332 continue;
333 }
334
335 wpa_printf(MSG_DEBUG,
336 "WPS: Workaround - merge likely WPA/WPA2-mixed mode creds in same M8 message");
337 new_ssid->proto |= ssid->proto;
338 new_ssid->pairwise_cipher |= ssid->pairwise_cipher;
339 } else {
340 /*
341 * proto and pairwise_cipher difference matter for
342 * non-mixed-mode creds.
343 */
344 if (ssid->proto != new_ssid->proto ||
345 ssid->pairwise_cipher != new_ssid->pairwise_cipher)
346 continue;
347 }
348
741ed9fc
VK		 349 /* Remove the duplicated older network entry. */
350 wpa_printf(MSG_DEBUG, "Remove duplicate network %d", ssid->id);
351 wpas_notify_network_removed(wpa_s, ssid);
4f9a5ea5
JM		 352 if (wpa_s->current_ssid == ssid)
353 wpa_s->current_ssid = NULL;
741ed9fc
VK		 354 wpa_config_remove_network(wpa_s->conf, ssid->id);
355 }
356}
357
358
bcbbc7af
JM		 359static int wpa_supplicant_wps_cred(void *ctx,
360 const struct wps_credential *cred)
fa201b69
JM		 361{
362 struct wpa_supplicant *wpa_s = ctx;
363 struct wpa_ssid *ssid = wpa_s->current_ssid;
49eba5f8 364 u16 auth_type;
2c4f80d5 365#ifdef CONFIG_WPS_REG_DISABLE_OPEN
f981eabc 366 int registrar = 0;
2c4f80d5 367#endif /* CONFIG_WPS_REG_DISABLE_OPEN */
fa201b69 368
47662164
JM		 369 if ((wpa_s->conf->wps_cred_processing == 1 ||
370 wpa_s->conf->wps_cred_processing == 2) && cred->cred_attr) {
371 size_t blen = cred->cred_attr_len * 2 + 1;
372 char *buf = os_malloc(blen);
373 if (buf) {
374 wpa_snprintf_hex(buf, blen,
375 cred->cred_attr, cred->cred_attr_len);
376 wpa_msg(wpa_s, MSG_INFO, "%s%s",
377 WPS_EVENT_CRED_RECEIVED, buf);
378 os_free(buf);
379 }
8bac466b
JM		 380
381 wpas_notify_wps_credential(wpa_s, cred);
47662164
JM		 382 } else
383 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CRED_RECEIVED);
fa201b69 384
eca6e0a9
JM		 385 wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute",
386 cred->cred_attr, cred->cred_attr_len);
387
47662164
JM		 388 if (wpa_s->conf->wps_cred_processing == 1)
389 return 0;
390
73267b9c
JM		 391 wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len);
392 wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x",
393 cred->auth_type);
394 wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type);
395 wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx);
396 wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key",
397 cred->key, cred->key_len);
398 wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR,
399 MAC2STR(cred->mac_addr));
400
49eba5f8
JM		 401 auth_type = cred->auth_type;
402 if (auth_type == (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
403 wpa_printf(MSG_DEBUG, "WPS: Workaround - convert mixed-mode "
404 "auth_type into WPA2PSK");
405 auth_type = WPS_AUTH_WPA2PSK;
406 }
407
408 if (auth_type != WPS_AUTH_OPEN &&
49eba5f8
JM		 409 auth_type != WPS_AUTH_WPAPSK &&
410 auth_type != WPS_AUTH_WPA2PSK) {
f286077d 411 wpa_printf(MSG_DEBUG, "WPS: Ignored credentials for "
49eba5f8
JM		 412 "unsupported authentication type 0x%x",
413 auth_type);
f286077d
JM		 414 return 0;
415 }
416
b363121a
JM		 417 if (auth_type == WPS_AUTH_WPAPSK || auth_type == WPS_AUTH_WPA2PSK) {
418 if (cred->key_len < 8 || cred->key_len > 2 * PMK_LEN) {
419 wpa_printf(MSG_ERROR, "WPS: Reject PSK credential with "
420 "invalid Network Key length %lu",
421 (unsigned long) cred->key_len);
422 return -1;
423 }
424 }
425
fa201b69
JM		 426 if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
427 wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based "
428 "on the received credential");
2c4f80d5 429#ifdef CONFIG_WPS_REG_DISABLE_OPEN
f981eabc
JM		 430 if (ssid->eap.identity &&
431 ssid->eap.identity_len == WSC_ID_REGISTRAR_LEN &&
432 os_memcmp(ssid->eap.identity, WSC_ID_REGISTRAR,
433 WSC_ID_REGISTRAR_LEN) == 0)
434 registrar = 1;
2c4f80d5 435#endif /* CONFIG_WPS_REG_DISABLE_OPEN */
fa201b69
JM		 436 os_free(ssid->eap.identity);
437 ssid->eap.identity = NULL;
438 ssid->eap.identity_len = 0;
439 os_free(ssid->eap.phase1);
440 ssid->eap.phase1 = NULL;
441 os_free(ssid->eap.eap_methods);
442 ssid->eap.eap_methods = NULL;
cae2119c 443 if (!ssid->p2p_group) {
2ff99b3c 444 ssid->temporary = 0;
cae2119c
JM		 445 ssid->bssid_set = 0;
446 }
00e5e3d5
JM		 447 ssid->disabled_until.sec = 0;
448 ssid->disabled_until.usec = 0;
449 ssid->auth_failures = 0;
fa201b69
JM		 450 } else {
451 wpa_printf(MSG_DEBUG, "WPS: Create a new network based on the "
452 "received credential");
453 ssid = wpa_config_add_network(wpa_s->conf);
454 if (ssid == NULL)
455 return -1;
ded4f944
JM		 456 if (wpa_s->current_ssid) {
457 /*
458 * Should the GO issue multiple credentials for some
459 * reason, each credential should be marked as a
460 * temporary P2P group similarly to the one that gets
461 * marked as such based on the pre-configured values
462 * used for the WPS network block.
463 */
464 ssid->p2p_group = wpa_s->current_ssid->p2p_group;
465 ssid->temporary = wpa_s->current_ssid->temporary;
466 }
8bac466b 467 wpas_notify_network_added(wpa_s, ssid);
fa201b69
JM		 468 }
469
470 wpa_config_set_network_defaults(ssid);
e5a4b85b 471 ssid->wps_run = wpa_s->wps_run;
fa201b69
JM		 472
473 os_free(ssid->ssid);
474 ssid->ssid = os_malloc(cred->ssid_len);
475 if (ssid->ssid) {
476 os_memcpy(ssid->ssid, cred->ssid, cred->ssid_len);
477 ssid->ssid_len = cred->ssid_len;
478 }
479
480 switch (cred->encr_type) {
481 case WPS_ENCR_NONE:
fa201b69 482 break;
fa201b69
JM		 483 case WPS_ENCR_TKIP:
484 ssid->pairwise_cipher = WPA_CIPHER_TKIP;
fa201b69
JM		 485 break;
486 case WPS_ENCR_AES:
487 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
d77419d2
AM		 488 if (wpa_s->drv_capa_known &&
489 (wpa_s->drv_enc & WPA_DRIVER_CAPA_ENC_GCMP)) {
490 ssid->pairwise_cipher |= WPA_CIPHER_GCMP;
491 ssid->group_cipher |= WPA_CIPHER_GCMP;
492 }
fa201b69
JM		 493 break;
494 }
495
49eba5f8 496 switch (auth_type) {
fa201b69
JM		 497 case WPS_AUTH_OPEN:
498 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
499 ssid->key_mgmt = WPA_KEY_MGMT_NONE;
500 ssid->proto = 0;
f981eabc
JM		 501#ifdef CONFIG_WPS_REG_DISABLE_OPEN
502 if (registrar) {
503 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OPEN_NETWORK
504 "id=%d - Credentials for an open "
505 "network disabled by default - use "
506 "'select_network %d' to enable",
507 ssid->id, ssid->id);
508 ssid->disabled = 1;
509 }
510#endif /* CONFIG_WPS_REG_DISABLE_OPEN */
fa201b69 511 break;
fa201b69
JM		 512 case WPS_AUTH_WPAPSK:
513 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
514 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
515 ssid->proto = WPA_PROTO_WPA;
516 break;
fa201b69
JM		 517 case WPS_AUTH_WPA2PSK:
518 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
519 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
520 ssid->proto = WPA_PROTO_RSN;
521 break;
522 }
523
524 if (ssid->key_mgmt == WPA_KEY_MGMT_PSK) {
525 if (cred->key_len == 2 * PMK_LEN) {
526 if (hexstr2bin((const char *) cred->key, ssid->psk,
527 PMK_LEN)) {
528 wpa_printf(MSG_ERROR, "WPS: Invalid Network "
529 "Key");
530 return -1;
531 }
532 ssid->psk_set = 1;
d1c8ac88 533 ssid->export_keys = 1;
fa201b69
JM		 534 } else if (cred->key_len >= 8 && cred->key_len < 2 * PMK_LEN) {
535 os_free(ssid->passphrase);
536 ssid->passphrase = os_malloc(cred->key_len + 1);
537 if (ssid->passphrase == NULL)
538 return -1;
539 os_memcpy(ssid->passphrase, cred->key, cred->key_len);
540 ssid->passphrase[cred->key_len] = '\0';
541 wpa_config_update_psk(ssid);
d1c8ac88 542 ssid->export_keys = 1;
fa201b69
JM		 543 } else {
544 wpa_printf(MSG_ERROR, "WPS: Invalid Network Key "
545 "length %lu",
546 (unsigned long) cred->key_len);
547 return -1;
548 }
549 }
94687a0a 550 ssid->priority = wpa_s->conf->wps_priority;
fa201b69 551
7cc1b6c9
JM		 552 wpas_wps_security_workaround(wpa_s, ssid, cred);
553
741ed9fc
VK		 554 wpas_wps_remove_dup_network(wpa_s, ssid);
555
fa201b69
JM		 556#ifndef CONFIG_NO_CONFIG_WRITE
557 if (wpa_s->conf->update_config &&
558 wpa_config_write(wpa_s->confname, wpa_s->conf)) {
559 wpa_printf(MSG_DEBUG, "WPS: Failed to update configuration");
560 return -1;
561 }
562#endif /* CONFIG_NO_CONFIG_WRITE */
563
94687a0a
SD		 564 if (ssid->priority)
565 wpa_config_update_prio_list(wpa_s->conf);
566
6fbcbc07
SD		 567 /*
568 * Optimize the post-WPS scan based on the channel used during
569 * the provisioning in case EAP-Failure is not received.
570 */
571 wpa_s->after_wps = 5;
572 wpa_s->wps_freq = wpa_s->assoc_freq;
573
fa201b69
JM		 574 return 0;
575}
576
577
4b68290e
JM		 578static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant *wpa_s,
579 struct wps_event_m2d *m2d)
580{
581 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_M2D
582 "dev_password_id=%d config_error=%d",
583 m2d->dev_password_id, m2d->config_error);
8bac466b 584 wpas_notify_wps_event_m2d(wpa_s, m2d);
b89883a4
JM		 585#ifdef CONFIG_P2P
586 if (wpa_s->parent && wpa_s->parent != wpa_s) {
587 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_M2D
588 "dev_password_id=%d config_error=%d",
589 m2d->dev_password_id, m2d->config_error);
590 }
591 if (m2d->config_error == WPS_CFG_MULTIPLE_PBC_DETECTED) {
592 /*
593 * Notify P2P from eloop timeout to avoid issues with the
594 * interface getting removed while processing a message.
595 */
ace0fbdb 596 eloop_register_timeout(0, 0, wpas_p2p_pbc_overlap_cb, wpa_s,
b89883a4
JM		 597 NULL);
598 }
599#endif /* CONFIG_P2P */
4b68290e
JM		 600}
601
602
2e145e91
JM		 603static void wpas_wps_clear_timeout(void *eloop_ctx, void *timeout_ctx)
604{
605 struct wpa_supplicant *wpa_s = eloop_ctx;
606 wpa_printf(MSG_DEBUG, "WPS: Clear WPS network from timeout");
607 wpas_clear_wps(wpa_s);
608}
609
610
469fc3a4
JM		 611static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s,
612 struct wps_event_fail *fail)
613{
c5cf0a18
CWY		 614 if (fail->error_indication > 0 &&
615 fail->error_indication < NUM_WPS_EI_VALUES) {
616 wpa_msg(wpa_s, MSG_INFO,
617 WPS_EVENT_FAIL "msg=%d config_error=%d reason=%d (%s)",
618 fail->msg, fail->config_error, fail->error_indication,
961750c1 619 wps_ei_str(fail->error_indication));
c5cf0a18
CWY		 620 if (wpa_s->parent && wpa_s->parent != wpa_s)
621 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
622 "msg=%d config_error=%d reason=%d (%s)",
623 fail->msg, fail->config_error,
624 fail->error_indication,
961750c1 625 wps_ei_str(fail->error_indication));
c5cf0a18
CWY		 626 } else {
627 wpa_msg(wpa_s, MSG_INFO,
628 WPS_EVENT_FAIL "msg=%d config_error=%d",
545cc6af 629 fail->msg, fail->config_error);
c5cf0a18
CWY		 630 if (wpa_s->parent && wpa_s->parent != wpa_s)
631 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
632 "msg=%d config_error=%d",
633 fail->msg, fail->config_error);
634 }
2e145e91
JM		 635
636 /*
637 * Need to allow WPS processing to complete, e.g., by sending WSC_NACK.
638 */
639 wpa_printf(MSG_DEBUG, "WPS: Register timeout to clear WPS network");
640 eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL);
641 eloop_register_timeout(0, 100000, wpas_wps_clear_timeout, wpa_s, NULL);
642
8bac466b 643 wpas_notify_wps_event_fail(wpa_s, fail);
3734552f 644 wpas_p2p_wps_failed(wpa_s, fail);
469fc3a4
JM		 645}
646
647
ec947ffc
SD		 648static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx);
649
650static void wpas_wps_reenable_networks(struct wpa_supplicant *wpa_s)
651{
652 struct wpa_ssid *ssid;
318e772a 653 int changed = 0;
ec947ffc
SD		 654
655 eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL);
656
657 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
658 if (ssid->disabled_for_connect && ssid->disabled) {
659 ssid->disabled_for_connect = 0;
660 ssid->disabled = 0;
661 wpas_notify_network_enabled_changed(wpa_s, ssid);
318e772a 662 changed++;
ec947ffc
SD		 663 }
664 }
318e772a
JM		 665
666 if (changed) {
667#ifndef CONFIG_NO_CONFIG_WRITE
668 if (wpa_s->conf->update_config &&
669 wpa_config_write(wpa_s->confname, wpa_s->conf)) {
670 wpa_printf(MSG_DEBUG, "WPS: Failed to update "
671 "configuration");
672 }
673#endif /* CONFIG_NO_CONFIG_WRITE */
674 }
ec947ffc
SD		 675}
676
677
678static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx)
679{
680 struct wpa_supplicant *wpa_s = eloop_ctx;
681 /* Enable the networks disabled during wpas_wps_reassoc */
682 wpas_wps_reenable_networks(wpa_s);
683}
684
685
5e238cc6
SD		 686int wpas_wps_reenable_networks_pending(struct wpa_supplicant *wpa_s)
687{
688 return eloop_is_timeout_registered(wpas_wps_reenable_networks_cb,
689 wpa_s, NULL);
690}
691
692
ad5302a1
JM		 693static void wpa_supplicant_wps_event_success(struct wpa_supplicant *wpa_s)
694{
695 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS);
a6099152 696 wpa_s->wps_success = 1;
8bac466b 697 wpas_notify_wps_event_success(wpa_s);
f3e907a7
JM		 698 if (wpa_s->current_ssid)
699 wpas_clear_temp_disabled(wpa_s, wpa_s->current_ssid, 1);
700 wpa_s->extra_blacklist_count = 0;
ec947ffc
SD		 701
702 /*
703 * Enable the networks disabled during wpas_wps_reassoc after 10
704 * seconds. The 10 seconds timer is to allow the data connection to be
705 * formed before allowing other networks to be selected.
706 */
707 eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s,
708 NULL);
709
b22128ef 710 wpas_p2p_wps_success(wpa_s, wpa_s->bssid, 0);
ad5302a1
JM		 711}
712
713
b78bc3a3
JM		 714static void wpa_supplicant_wps_event_er_ap_add(struct wpa_supplicant *wpa_s,
715 struct wps_event_er_ap *ap)
716{
717 char uuid_str[100];
ed45947e 718 char dev_type[WPS_DEV_TYPE_BUFSIZE];
e694b344 719
b78bc3a3 720 uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str));
e694b344 721 if (ap->pri_dev_type)
ed45947e
JM		 722 wps_dev_type_bin2str(ap->pri_dev_type, dev_type,
723 sizeof(dev_type));
e694b344
JM		 724 else
725 dev_type[0] = '\0';
726
727 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_ADD "%s " MACSTR
728 " pri_dev_type=%s wps_state=%d |%s|%s|%s|%s|%s|%s|",
729 uuid_str, MAC2STR(ap->mac_addr), dev_type, ap->wps_state,
b78bc3a3
JM		 730 ap->friendly_name ? ap->friendly_name : "",
731 ap->manufacturer ? ap->manufacturer : "",
732 ap->model_description ? ap->model_description : "",
733 ap->model_name ? ap->model_name : "",
734 ap->manufacturer_url ? ap->manufacturer_url : "",
735 ap->model_url ? ap->model_url : "");
736}
737
738
739static void wpa_supplicant_wps_event_er_ap_remove(struct wpa_supplicant *wpa_s,
740 struct wps_event_er_ap *ap)
741{
742 char uuid_str[100];
743 uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str));
744 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_REMOVE "%s", uuid_str);
745}
746
747
748static void wpa_supplicant_wps_event_er_enrollee_add(
749 struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee)
750{
751 char uuid_str[100];
ed45947e 752 char dev_type[WPS_DEV_TYPE_BUFSIZE];
b78bc3a3
JM		 753
754 uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str));
755 if (enrollee->pri_dev_type)
ed45947e
JM		 756 wps_dev_type_bin2str(enrollee->pri_dev_type, dev_type,
757 sizeof(dev_type));
b78bc3a3
JM		 758 else
759 dev_type[0] = '\0';
760
761 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_ADD "%s " MACSTR
762 " M1=%d config_methods=0x%x dev_passwd_id=%d pri_dev_type=%s "
763 "|%s|%s|%s|%s|%s|",
764 uuid_str, MAC2STR(enrollee->mac_addr), enrollee->m1_received,
765 enrollee->config_methods, enrollee->dev_passwd_id, dev_type,
766 enrollee->dev_name ? enrollee->dev_name : "",
767 enrollee->manufacturer ? enrollee->manufacturer : "",
768 enrollee->model_name ? enrollee->model_name : "",
769 enrollee->model_number ? enrollee->model_number : "",
770 enrollee->serial_number ? enrollee->serial_number : "");
771}
772
773
774static void wpa_supplicant_wps_event_er_enrollee_remove(
775 struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee)
776{
777 char uuid_str[100];
778 uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str));
779 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_REMOVE "%s " MACSTR,
780 uuid_str, MAC2STR(enrollee->mac_addr));
781}
782
783
15dbf129
JM		 784static void wpa_supplicant_wps_event_er_ap_settings(
785 struct wpa_supplicant *wpa_s,
786 struct wps_event_er_ap_settings *ap_settings)
787{
788 char uuid_str[100];
789 char key_str[65];
790 const struct wps_credential *cred = ap_settings->cred;
791
792 key_str[0] = '\0';
793 if (cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
794 if (cred->key_len >= 8 && cred->key_len <= 64) {
795 os_memcpy(key_str, cred->key, cred->key_len);
796 key_str[cred->key_len] = '\0';
797 }
798 }
799
800 uuid_bin2str(ap_settings->uuid, uuid_str, sizeof(uuid_str));
801 /* Use wpa_msg_ctrl to avoid showing the key in debug log */
802 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_SETTINGS
803 "uuid=%s ssid=%s auth_type=0x%04x encr_type=0x%04x "
804 "key=%s",
805 uuid_str, wpa_ssid_txt(cred->ssid, cred->ssid_len),
806 cred->auth_type, cred->encr_type, key_str);
807}
808
809
3e7533b3
JM		 810static void wpa_supplicant_wps_event_er_set_sel_reg(
811 struct wpa_supplicant *wpa_s,
812 struct wps_event_er_set_selected_registrar *ev)
813{
814 char uuid_str[100];
815
816 uuid_bin2str(ev->uuid, uuid_str, sizeof(uuid_str));
817 switch (ev->state) {
818 case WPS_ER_SET_SEL_REG_START:
819 wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG
820 "uuid=%s state=START sel_reg=%d dev_passwd_id=%u "
821 "sel_reg_config_methods=0x%x",
822 uuid_str, ev->sel_reg, ev->dev_passwd_id,
823 ev->sel_reg_config_methods);
824 break;
825 case WPS_ER_SET_SEL_REG_DONE:
826 wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG
827 "uuid=%s state=DONE", uuid_str);
828 break;
829 case WPS_ER_SET_SEL_REG_FAILED:
830 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_SET_SEL_REG
831 "uuid=%s state=FAILED", uuid_str);
832 break;
833 }
834}
835
836
4b68290e
JM		 837static void wpa_supplicant_wps_event(void *ctx, enum wps_event event,
838 union wps_event_data *data)
839{
840 struct wpa_supplicant *wpa_s = ctx;
841 switch (event) {
842 case WPS_EV_M2D:
843 wpa_supplicant_wps_event_m2d(wpa_s, &data->m2d);
844 break;
469fc3a4
JM		 845 case WPS_EV_FAIL:
846 wpa_supplicant_wps_event_fail(wpa_s, &data->fail);
847 break;
ad5302a1
JM		 848 case WPS_EV_SUCCESS:
849 wpa_supplicant_wps_event_success(wpa_s);
850 break;
3b2cf800 851 case WPS_EV_PWD_AUTH_FAIL:
70d84f11
JM		 852#ifdef CONFIG_AP
853 if (wpa_s->ap_iface && data->pwd_auth_fail.enrollee)
854 wpa_supplicant_ap_pwd_auth_fail(wpa_s);
855#endif /* CONFIG_AP */
3b2cf800 856 break;
63330c68
OK		 857 case WPS_EV_PBC_OVERLAP:
858 break;
859 case WPS_EV_PBC_TIMEOUT:
860 break;
50396e29
JM		 861 case WPS_EV_PBC_ACTIVE:
862 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ACTIVE);
863 break;
864 case WPS_EV_PBC_DISABLE:
865 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_DISABLE);
866 break;
b78bc3a3
JM		 867 case WPS_EV_ER_AP_ADD:
868 wpa_supplicant_wps_event_er_ap_add(wpa_s, &data->ap);
869 break;
870 case WPS_EV_ER_AP_REMOVE:
871 wpa_supplicant_wps_event_er_ap_remove(wpa_s, &data->ap);
872 break;
873 case WPS_EV_ER_ENROLLEE_ADD:
874 wpa_supplicant_wps_event_er_enrollee_add(wpa_s,
875 &data->enrollee);
876 break;
877 case WPS_EV_ER_ENROLLEE_REMOVE:
878 wpa_supplicant_wps_event_er_enrollee_remove(wpa_s,
879 &data->enrollee);
880 break;
15dbf129
JM		 881 case WPS_EV_ER_AP_SETTINGS:
882 wpa_supplicant_wps_event_er_ap_settings(wpa_s,
883 &data->ap_settings);
884 break;
3e7533b3
JM		 885 case WPS_EV_ER_SET_SELECTED_REGISTRAR:
886 wpa_supplicant_wps_event_er_set_sel_reg(wpa_s,
887 &data->set_sel_reg);
888 break;
32cdcf15
JM		 889 case WPS_EV_AP_PIN_SUCCESS:
890 break;
4b68290e
JM		 891 }
892}
893
894
239abaf2
DS		 895static int wpa_supplicant_wps_rf_band(void *ctx)
896{
897 struct wpa_supplicant *wpa_s = ctx;
898
899 if (!wpa_s->current_ssid || !wpa_s->assoc_freq)
900 return 0;
901
01a02593
HK		 902 return (wpa_s->assoc_freq > 50000) ? WPS_RF_60GHZ :
903 (wpa_s->assoc_freq > 2484) ? WPS_RF_50GHZ : WPS_RF_24GHZ;
239abaf2
DS		 904}
905
906
f90c86d4 907enum wps_request_type wpas_wps_get_req_type(struct wpa_ssid *ssid)
fa201b69 908{
b01c18a8
JM		 909 if (eap_is_wps_pbc_enrollee(&ssid->eap) ||
910 eap_is_wps_pin_enrollee(&ssid->eap))
911 return WPS_REQ_ENROLLEE;
912 else
913 return WPS_REQ_REGISTRAR;
fa201b69 914}
116654ce
JM		 915
916
fcc60db4
JM		 917static void wpas_clear_wps(struct wpa_supplicant *wpa_s)
918{
919 int id;
20a0b03d
JM		 920 struct wpa_ssid *ssid, *remove_ssid = NULL, *prev_current;
921
7255983b 922 wpa_s->after_wps = 0;
4d9fb08d 923 wpa_s->known_wps_freq = 0;
7255983b 924
20a0b03d 925 prev_current = wpa_s->current_ssid;
fcc60db4 926
ec947ffc
SD		 927 /* Enable the networks disabled during wpas_wps_reassoc */
928 wpas_wps_reenable_networks(wpa_s);
929
fcc60db4 930 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
5890fa81 931 eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL);
fcc60db4
JM		 932
933 /* Remove any existing WPS network from configuration */
934 ssid = wpa_s->conf->ssid;
935 while (ssid) {
f0477201 936 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
8bac466b 937 if (ssid == wpa_s->current_ssid) {
c2805909 938 wpa_s->own_disconnect_req = 1;
c7a67a77
JZ		 939 wpa_supplicant_deauthenticate(
940 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
8bac466b 941 }
fcc60db4 942 id = ssid->id;
8bac466b 943 remove_ssid = ssid;
f0477201 944 } else
fcc60db4
JM		 945 id = -1;
946 ssid = ssid->next;
8bac466b 947 if (id >= 0) {
20a0b03d
JM		 948 if (prev_current == remove_ssid) {
949 wpa_sm_set_config(wpa_s->wpa, NULL);
950 eapol_sm_notify_config(wpa_s->eapol, NULL,
951 NULL);
952 }
8bac466b 953 wpas_notify_network_removed(wpa_s, remove_ssid);
fcc60db4 954 wpa_config_remove_network(wpa_s->conf, id);
8bac466b 955 }
fcc60db4 956 }
f9f0526b
JM		 957
958 wpas_wps_clear_ap_info(wpa_s);
fcc60db4
JM		 959}
960
961
962static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx)
963{
964 struct wpa_supplicant *wpa_s = eloop_ctx;
893e2cf9
SB		 965 union wps_event_data data;
966
014732ea
AC		 967 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed "
968 "out");
893e2cf9
SB		 969 os_memset(&data, 0, sizeof(data));
970 data.fail.config_error = WPS_CFG_MSG_TIMEOUT;
971 data.fail.error_indication = WPS_EI_NO_ERROR;
972 /*
973 * Call wpas_notify_wps_event_fail() directly instead of through
974 * wpa_supplicant_wps_event() which would end up registering unnecessary
975 * timeouts (those are only for the case where the failure happens
976 * during an EAP-WSC exchange).
977 */
978 wpas_notify_wps_event_fail(wpa_s, &data.fail);
fcc60db4
JM		 979 wpas_clear_wps(wpa_s);
980}
981
982
983static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s,
23318bea
JM		 984 int registrar, const u8 *dev_addr,
985 const u8 *bssid)
fcc60db4
JM		 986{
987 struct wpa_ssid *ssid;
988
989 ssid = wpa_config_add_network(wpa_s->conf);
990 if (ssid == NULL)
991 return NULL;
8bac466b 992 wpas_notify_network_added(wpa_s, ssid);
fcc60db4 993 wpa_config_set_network_defaults(ssid);
2ff99b3c 994 ssid->temporary = 1;
fcc60db4
JM		 995 if (wpa_config_set(ssid, "key_mgmt", "WPS", 0) < 0 ||
996 wpa_config_set(ssid, "eap", "WSC", 0) < 0 ||
997 wpa_config_set(ssid, "identity", registrar ?
998 "\"" WSC_ID_REGISTRAR "\"" :
999 "\"" WSC_ID_ENROLLEE "\"", 0) < 0) {
8bac466b 1000 wpas_notify_network_removed(wpa_s, ssid);
fcc60db4
JM		 1001 wpa_config_remove_network(wpa_s->conf, ssid->id);
1002 return NULL;
1003 }
1004
23318bea
JM		 1005#ifdef CONFIG_P2P
1006 if (dev_addr)
1007 os_memcpy(ssid->go_p2p_dev_addr, dev_addr, ETH_ALEN);
1008#endif /* CONFIG_P2P */
1009
fcc60db4 1010 if (bssid) {
b2c5a4a3 1011#ifndef CONFIG_P2P
59f2caa9 1012 struct wpa_bss *bss;
f7e54365 1013 int count = 0;
b2c5a4a3 1014#endif /* CONFIG_P2P */
fcc60db4
JM		 1015
1016 os_memcpy(ssid->bssid, bssid, ETH_ALEN);
24c23d1b 1017 ssid->bssid_set = 1;
fcc60db4 1018
b2c5a4a3
JM		 1019 /*
1020 * Note: With P2P, the SSID may change at the time the WPS
1021 * provisioning is started, so better not filter the AP based
1022 * on the current SSID in the scan results.
1023 */
1024#ifndef CONFIG_P2P
59f2caa9
JM		 1025 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
1026 if (os_memcmp(bssid, bss->bssid, ETH_ALEN) != 0)
fcc60db4
JM		 1027 continue;
1028
fcc60db4 1029 os_free(ssid->ssid);
59f2caa9 1030 ssid->ssid = os_malloc(bss->ssid_len);
fcc60db4
JM		 1031 if (ssid->ssid == NULL)
1032 break;
59f2caa9
JM		 1033 os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len);
1034 ssid->ssid_len = bss->ssid_len;
f7e54365
JM		 1035 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Picked SSID from "
1036 "scan results",
1037 ssid->ssid, ssid->ssid_len);
1038 count++;
1039 }
1040
1041 if (count > 1) {
1042 wpa_printf(MSG_DEBUG, "WPS: More than one SSID found "
1043 "for the AP; use wildcard");
1044 os_free(ssid->ssid);
1045 ssid->ssid = NULL;
1046 ssid->ssid_len = 0;
fcc60db4 1047 }
b2c5a4a3 1048#endif /* CONFIG_P2P */
fcc60db4
JM		 1049 }
1050
1051 return ssid;
1052}
1053
1054
170f5663
JM		 1055static void wpas_wps_temp_disable(struct wpa_supplicant *wpa_s,
1056 struct wpa_ssid *selected)
fcc60db4
JM		 1057{
1058 struct wpa_ssid *ssid;
1059
c2805909
JM		 1060 if (wpa_s->current_ssid) {
1061 wpa_s->own_disconnect_req = 1;
d9d87c33
JM		 1062 wpa_supplicant_deauthenticate(
1063 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
c2805909 1064 }
d9d87c33 1065
fcc60db4
JM		 1066 /* Mark all other networks disabled and trigger reassociation */
1067 ssid = wpa_s->conf->ssid;
1068 while (ssid) {
8bac466b 1069 int was_disabled = ssid->disabled;
ec947ffc 1070 ssid->disabled_for_connect = 0;
c2762e41
JS		 1071 /*
1072 * In case the network object corresponds to a persistent group
1073 * then do not send out network disabled signal. In addition,
1074 * do not change disabled status of persistent network objects
1075 * from 2 to 1 should we connect to another network.
1076 */
1077 if (was_disabled != 2) {
1078 ssid->disabled = ssid != selected;
ec947ffc
SD		 1079 if (was_disabled != ssid->disabled) {
1080 if (ssid->disabled)
1081 ssid->disabled_for_connect = 1;
c2762e41
JS		 1082 wpas_notify_network_enabled_changed(wpa_s,
1083 ssid);
ec947ffc 1084 }
c2762e41 1085 }
fcc60db4
JM		 1086 ssid = ssid->next;
1087 }
170f5663
JM		 1088}
1089
1090
1091static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s,
91a65018
JM		 1092 struct wpa_ssid *selected, const u8 *bssid,
1093 int freq)
170f5663
JM		 1094{
1095 struct wpa_bss *bss;
1096
e5a4b85b
HW		 1097 wpa_s->wps_run++;
1098 if (wpa_s->wps_run == 0)
1099 wpa_s->wps_run++;
170f5663
JM		 1100 wpa_s->after_wps = 0;
1101 wpa_s->known_wps_freq = 0;
91a65018
JM		 1102 if (freq) {
1103 wpa_s->after_wps = 5;
1104 wpa_s->wps_freq = freq;
1105 } else if (bssid) {
170f5663
JM		 1106 bss = wpa_bss_get_bssid_latest(wpa_s, bssid);
1107 if (bss && bss->freq > 0) {
1108 wpa_s->known_wps_freq = 1;
1109 wpa_s->wps_freq = bss->freq;
1110 }
1111 }
1112
1113 wpas_wps_temp_disable(wpa_s, selected);
1114
fcc60db4
JM		 1115 wpa_s->disconnected = 0;
1116 wpa_s->reassociate = 1;
a6099152 1117 wpa_s->scan_runs = 0;
0b7a25c0 1118 wpa_s->normal_scans = 0;
a6099152
JM		 1119 wpa_s->wps_success = 0;
1120 wpa_s->blacklist_cleared = 0;
1cba9bea
JJ		 1121
1122 wpa_supplicant_cancel_sched_scan(wpa_s);
fcc60db4
JM		 1123 wpa_supplicant_req_scan(wpa_s, 0, 0);
1124}
1125
1126
9fa243b2
JM		 1127int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
1128 int p2p_group)
fcc60db4
JM		 1129{
1130 struct wpa_ssid *ssid;
bd47d680
JM		 1131
1132#ifdef CONFIG_AP
1133 if (wpa_s->ap_iface) {
1134 wpa_printf(MSG_DEBUG,
1135 "WPS: Reject request to start Registrar(as station) operation while AP mode is enabled");
1136 return -1;
1137 }
1138#endif /* CONFIG_AP */
fcc60db4 1139 wpas_clear_wps(wpa_s);
23318bea 1140 ssid = wpas_wps_add_network(wpa_s, 0, NULL, bssid);
fcc60db4
JM		 1141 if (ssid == NULL)
1142 return -1;
9fa243b2
JM		 1143 ssid->temporary = 1;
1144 ssid->p2p_group = p2p_group;
812bf56a 1145#ifdef CONFIG_P2P
e9a7ae41
JM		 1146 if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) {
1147 ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1);
1148 if (ssid->ssid) {
1149 ssid->ssid_len = wpa_s->go_params->ssid_len;
1150 os_memcpy(ssid->ssid, wpa_s->go_params->ssid,
1151 ssid->ssid_len);
b9074912
LD		 1152 if (wpa_s->go_params->freq > 56160) {
1153 /* P2P in 60 GHz uses PBSS */
1154 ssid->pbss = 1;
1155 }
e9a7ae41
JM		 1156 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP "
1157 "SSID", ssid->ssid, ssid->ssid_len);
1158 }
1159 }
812bf56a 1160#endif /* CONFIG_P2P */
9c75e9fb
JM		 1161 if (wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0) < 0)
1162 return -1;
42f50264
JM		 1163 if (wpa_s->wps_fragment_size)
1164 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
fcc60db4
JM		 1165 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
1166 wpa_s, NULL);
91a65018 1167 wpas_wps_reassoc(wpa_s, ssid, bssid, 0);
fcc60db4
JM		 1168 return 0;
1169}
1170
1171
23318bea
JM		 1172static int wpas_wps_start_dev_pw(struct wpa_supplicant *wpa_s,
1173 const u8 *dev_addr, const u8 *bssid,
5f454557 1174 const char *pin, int p2p_group, u16 dev_pw_id,
57630e65 1175 const u8 *peer_pubkey_hash,
91a65018 1176 const u8 *ssid_val, size_t ssid_len, int freq)
fcc60db4
JM		 1177{
1178 struct wpa_ssid *ssid;
5f454557 1179 char val[128 + 2 * WPS_OOB_PUBKEY_HASH_LEN];
fcc60db4 1180 unsigned int rpin = 0;
5f454557 1181 char hash[2 * WPS_OOB_PUBKEY_HASH_LEN + 10];
fcc60db4 1182
bd47d680
JM		 1183#ifdef CONFIG_AP
1184 if (wpa_s->ap_iface) {
1185 wpa_printf(MSG_DEBUG,
1186 "WPS: Reject request to start Registrar(as station) operation while AP mode is enabled");
1187 return -1;
1188 }
1189#endif /* CONFIG_AP */
fcc60db4 1190 wpas_clear_wps(wpa_s);
23318bea
JM		 1191 if (bssid && is_zero_ether_addr(bssid))
1192 bssid = NULL;
1193 ssid = wpas_wps_add_network(wpa_s, 0, dev_addr, bssid);
57630e65
JM		 1194 if (ssid == NULL) {
1195 wpa_printf(MSG_DEBUG, "WPS: Could not add network");
fcc60db4 1196 return -1;
57630e65 1197 }
9fa243b2
JM		 1198 ssid->temporary = 1;
1199 ssid->p2p_group = p2p_group;
57630e65
JM		 1200 if (ssid_val) {
1201 ssid->ssid = os_malloc(ssid_len);
1202 if (ssid->ssid) {
1203 os_memcpy(ssid->ssid, ssid_val, ssid_len);
1204 ssid->ssid_len = ssid_len;
1205 }
1206 }
5f454557
JM		 1207 if (peer_pubkey_hash) {
1208 os_memcpy(hash, " pkhash=", 8);
1209 wpa_snprintf_hex_uppercase(hash + 8, sizeof(hash) - 8,
1210 peer_pubkey_hash,
1211 WPS_OOB_PUBKEY_HASH_LEN);
1212 } else {
1213 hash[0] = '\0';
1214 }
812bf56a 1215#ifdef CONFIG_P2P
e9a7ae41 1216 if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) {
eda9d84d 1217 os_free(ssid->ssid);
e9a7ae41
JM		 1218 ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1);
1219 if (ssid->ssid) {
1220 ssid->ssid_len = wpa_s->go_params->ssid_len;
1221 os_memcpy(ssid->ssid, wpa_s->go_params->ssid,
1222 ssid->ssid_len);
b9074912
LD		 1223 if (wpa_s->go_params->freq > 56160) {
1224 /* P2P in 60 GHz uses PBSS */
1225 ssid->pbss = 1;
1226 }
e9a7ae41
JM		 1227 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP "
1228 "SSID", ssid->ssid, ssid->ssid_len);
1229 }
1230 }
812bf56a 1231#endif /* CONFIG_P2P */
fcc60db4 1232 if (pin)
5f454557
JM		 1233 os_snprintf(val, sizeof(val), "\"pin=%s dev_pw_id=%u%s\"",
1234 pin, dev_pw_id, hash);
fa4c2988
JM		 1235 else if (pin == NULL && dev_pw_id == DEV_PW_NFC_CONNECTION_HANDOVER) {
1236 os_snprintf(val, sizeof(val), "\"dev_pw_id=%u%s\"",
1237 dev_pw_id, hash);
1238 } else {
fcc60db4 1239 rpin = wps_generate_pin();
5f454557
JM		 1240 os_snprintf(val, sizeof(val), "\"pin=%08d dev_pw_id=%u%s\"",
1241 rpin, dev_pw_id, hash);
fcc60db4 1242 }
fa4c2988
JM		 1243 if (wpa_config_set(ssid, "phase1", val, 0) < 0) {
1244 wpa_printf(MSG_DEBUG, "WPS: Failed to set phase1 '%s'", val);
9c75e9fb 1245 return -1;
fa4c2988 1246 }
42f50264
JM		 1247 if (wpa_s->wps_fragment_size)
1248 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
fcc60db4
JM		 1249 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
1250 wpa_s, NULL);
f9f0526b 1251 wpa_s->wps_ap_iter = 1;
91a65018 1252 wpas_wps_reassoc(wpa_s, ssid, bssid, freq);
fcc60db4
JM		 1253 return rpin;
1254}
1255
1256
5f454557
JM		 1257int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
1258 const char *pin, int p2p_group, u16 dev_pw_id)
1259{
e7d20342 1260 os_get_reltime(&wpa_s->wps_pin_start_time);
23318bea 1261 return wpas_wps_start_dev_pw(wpa_s, NULL, bssid, pin, p2p_group,
91a65018 1262 dev_pw_id, NULL, NULL, 0, 0);
5f454557
JM		 1263}
1264
1265
0a7b2a02
SB		 1266void wpas_wps_pbc_overlap(struct wpa_supplicant *wpa_s)
1267{
1268 union wps_event_data data;
1269
1270 os_memset(&data, 0, sizeof(data));
1271 data.fail.config_error = WPS_CFG_MULTIPLE_PBC_DETECTED;
1272 data.fail.error_indication = WPS_EI_NO_ERROR;
1273 /*
1274 * Call wpas_notify_wps_event_fail() directly instead of through
1275 * wpa_supplicant_wps_event() which would end up registering unnecessary
1276 * timeouts (those are only for the case where the failure happens
1277 * during an EAP-WSC exchange).
1278 */
1279 wpas_notify_wps_event_fail(wpa_s, &data.fail);
1280}
1281
2f9929ff
AC		 1282/* Cancel the wps pbc/pin requests */
1283int wpas_wps_cancel(struct wpa_supplicant *wpa_s)
1284{
1285#ifdef CONFIG_AP
1286 if (wpa_s->ap_iface) {
1287 wpa_printf(MSG_DEBUG, "WPS: Cancelling in AP mode");
1288 return wpa_supplicant_ap_wps_cancel(wpa_s);
1289 }
1290#endif /* CONFIG_AP */
1291
476dea24
JM		 1292 if (wpa_s->wpa_state == WPA_SCANNING ||
1293 wpa_s->wpa_state == WPA_DISCONNECTED) {
2f9929ff
AC		 1294 wpa_printf(MSG_DEBUG, "WPS: Cancel operation - cancel scan");
1295 wpa_supplicant_cancel_scan(wpa_s);
1296 wpas_clear_wps(wpa_s);
1297 } else if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1298 wpa_printf(MSG_DEBUG, "WPS: Cancel operation - "
1299 "deauthenticate");
c2805909 1300 wpa_s->own_disconnect_req = 1;
2f9929ff
AC		 1301 wpa_supplicant_deauthenticate(wpa_s,
1302 WLAN_REASON_DEAUTH_LEAVING);
1303 wpas_clear_wps(wpa_s);
ec947ffc
SD		 1304 } else {
1305 wpas_wps_reenable_networks(wpa_s);
f9f0526b 1306 wpas_wps_clear_ap_info(wpa_s);
5890fa81
JM		 1307 if (eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL) >
1308 0)
1309 wpas_clear_wps(wpa_s);
ec947ffc 1310 }
2f9929ff 1311
7255983b
JM		 1312 wpa_s->after_wps = 0;
1313
2f9929ff
AC		 1314 return 0;
1315}
1316
1317
fcc60db4 1318int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid,
52eb293d 1319 const char *pin, struct wps_new_ap_settings *settings)
fcc60db4
JM		 1320{
1321 struct wpa_ssid *ssid;
52eb293d
JM		 1322 char val[200];
1323 char *pos, *end;
1324 int res;
fcc60db4 1325
bd47d680
JM		 1326#ifdef CONFIG_AP
1327 if (wpa_s->ap_iface) {
1328 wpa_printf(MSG_DEBUG,
1329 "WPS: Reject request to start Registrar(as station) operation while AP mode is enabled");
1330 return -1;
1331 }
1332#endif /* CONFIG_AP */
fcc60db4
JM		 1333 if (!pin)
1334 return -1;
1335 wpas_clear_wps(wpa_s);
23318bea 1336 ssid = wpas_wps_add_network(wpa_s, 1, NULL, bssid);
fcc60db4
JM		 1337 if (ssid == NULL)
1338 return -1;
2ff99b3c 1339 ssid->temporary = 1;
52eb293d
JM		 1340 pos = val;
1341 end = pos + sizeof(val);
1342 res = os_snprintf(pos, end - pos, "\"pin=%s", pin);
d85e1fc8 1343 if (os_snprintf_error(end - pos, res))
52eb293d
JM		 1344 return -1;
1345 pos += res;
1346 if (settings) {
1347 res = os_snprintf(pos, end - pos, " new_ssid=%s new_auth=%s "
1348 "new_encr=%s new_key=%s",
1349 settings->ssid_hex, settings->auth,
1350 settings->encr, settings->key_hex);
d85e1fc8 1351 if (os_snprintf_error(end - pos, res))
52eb293d
JM		 1352 return -1;
1353 pos += res;
1354 }
1355 res = os_snprintf(pos, end - pos, "\"");
d85e1fc8 1356 if (os_snprintf_error(end - pos, res))
52eb293d 1357 return -1;
9c75e9fb
JM		 1358 if (wpa_config_set(ssid, "phase1", val, 0) < 0)
1359 return -1;
42f50264
JM		 1360 if (wpa_s->wps_fragment_size)
1361 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
fcc60db4
JM		 1362 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
1363 wpa_s, NULL);
91a65018 1364 wpas_wps_reassoc(wpa_s, ssid, bssid, 0);
fcc60db4
JM		 1365 return 0;
1366}
1367
1368
52177fbb
JM		 1369static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr,
1370 const u8 *p2p_dev_addr, const u8 *psk,
c5adf528
JM		 1371 size_t psk_len)
1372{
52177fbb
JM		 1373 if (is_zero_ether_addr(p2p_dev_addr)) {
1374 wpa_printf(MSG_DEBUG,
1375 "Received new WPA/WPA2-PSK from WPS for STA " MACSTR,
1376 MAC2STR(mac_addr));
1377 } else {
1378 wpa_printf(MSG_DEBUG,
1379 "Received new WPA/WPA2-PSK from WPS for STA " MACSTR
1380 " P2P Device Addr " MACSTR,
1381 MAC2STR(mac_addr), MAC2STR(p2p_dev_addr));
1382 }
c5adf528
JM		 1383 wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len);
1384
1385 /* TODO */
1386
1387 return 0;
1388}
1389
1390
1391static void wpas_wps_pin_needed_cb(void *ctx, const u8 *uuid_e,
1392 const struct wps_device_data *dev)
1393{
1394 char uuid[40], txt[400];
1395 int len;
96750ea5 1396 char devtype[WPS_DEV_TYPE_BUFSIZE];
c5adf528
JM		 1397 if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
1398 return;
1399 wpa_printf(MSG_DEBUG, "WPS: PIN needed for UUID-E %s", uuid);
1400 len = os_snprintf(txt, sizeof(txt), "WPS-EVENT-PIN-NEEDED %s " MACSTR
96750ea5 1401 " [%s|%s|%s|%s|%s|%s]",
c5adf528
JM		 1402 uuid, MAC2STR(dev->mac_addr), dev->device_name,
1403 dev->manufacturer, dev->model_name,
1404 dev->model_number, dev->serial_number,
96750ea5
JM		 1405 wps_dev_type_bin2str(dev->pri_dev_type, devtype,
1406 sizeof(devtype)));
a80ba67a 1407 if (!os_snprintf_error(sizeof(txt), len))
c5adf528
JM		 1408 wpa_printf(MSG_INFO, "%s", txt);
1409}
1410
1411
72df2f5f
JM		 1412static void wpas_wps_set_sel_reg_cb(void *ctx, int sel_reg, u16 dev_passwd_id,
1413 u16 sel_reg_config_methods)
1414{
1415#ifdef CONFIG_WPS_ER
1416 struct wpa_supplicant *wpa_s = ctx;
1417
1418 if (wpa_s->wps_er == NULL)
1419 return;
ad474118
JM		 1420 wpa_printf(MSG_DEBUG, "WPS ER: SetSelectedRegistrar - sel_reg=%d "
1421 "dev_password_id=%u sel_reg_config_methods=0x%x",
1422 sel_reg, dev_passwd_id, sel_reg_config_methods);
72df2f5f
JM		 1423 wps_er_set_sel_reg(wpa_s->wps_er, sel_reg, dev_passwd_id,
1424 sel_reg_config_methods);
1425#endif /* CONFIG_WPS_ER */
1426}
1427
1428
092acb54
JM		 1429static u16 wps_fix_config_methods(u16 config_methods)
1430{
092acb54
JM		 1431 if ((config_methods &
1432 (WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY |
1433 WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) {
1434 wpa_printf(MSG_INFO, "WPS: Converting display to "
1435 "virtual_display for WPS 2.0 compliance");
1436 config_methods |= WPS_CONFIG_VIRT_DISPLAY;
1437 }
1438 if ((config_methods &
1439 (WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_VIRT_PUSHBUTTON |
1440 WPS_CONFIG_PHY_PUSHBUTTON)) == WPS_CONFIG_PUSHBUTTON) {
1441 wpa_printf(MSG_INFO, "WPS: Converting push_button to "
1442 "virtual_push_button for WPS 2.0 compliance");
1443 config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON;
1444 }
092acb54
JM		 1445
1446 return config_methods;
1447}
1448
1449
85a821d6
JM		 1450static void wpas_wps_set_uuid(struct wpa_supplicant *wpa_s,
1451 struct wps_context *wps)
1452{
ef93abde
JM		 1453 char buf[50];
1454 const char *src;
1455
85a821d6
JM		 1456 if (is_nil_uuid(wpa_s->conf->uuid)) {
1457 struct wpa_supplicant *first;
1458 first = wpa_s->global->ifaces;
1459 while (first && first->next)
1460 first = first->next;
1461 if (first && first != wpa_s) {
157cdad5
BG		 1462 if (wps != wpa_s->global->ifaces->wps)
1463 os_memcpy(wps->uuid,
1464 wpa_s->global->ifaces->wps->uuid,
1465 WPS_UUID_LEN);
ef93abde 1466 src = "from the first interface";
85a821d6
JM		 1467 } else {
1468 uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid);
ef93abde 1469 src = "based on MAC address";
85a821d6
JM		 1470 }
1471 } else {
1472 os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
ef93abde 1473 src = "based on configuration";
85a821d6 1474 }
ef93abde
JM		 1475
1476 uuid_bin2str(wps->uuid, buf, sizeof(buf));
1477 wpa_dbg(wpa_s, MSG_DEBUG, "WPS: UUID %s: %s", src, buf);
85a821d6
JM		 1478}
1479
1480
71dd3b78
AS		 1481static void wpas_wps_set_vendor_ext_m1(struct wpa_supplicant *wpa_s,
1482 struct wps_context *wps)
1483{
1484 wpabuf_free(wps->dev.vendor_ext_m1);
1485 wps->dev.vendor_ext_m1 = NULL;
1486
1487 if (wpa_s->conf->wps_vendor_ext_m1) {
1488 wps->dev.vendor_ext_m1 =
1489 wpabuf_dup(wpa_s->conf->wps_vendor_ext_m1);
1490 if (!wps->dev.vendor_ext_m1) {
1491 wpa_printf(MSG_ERROR, "WPS: Cannot "
1492 "allocate memory for vendor_ext_m1");
1493 }
1494 }
1495}
1496
1497
116654ce
JM		 1498int wpas_wps_init(struct wpa_supplicant *wpa_s)
1499{
1500 struct wps_context *wps;
c5adf528 1501 struct wps_registrar_config rcfg;
6fb6d842 1502 struct hostapd_hw_modes *modes;
6bf731e8 1503 u16 m;
116654ce
JM		 1504
1505 wps = os_zalloc(sizeof(*wps));
1506 if (wps == NULL)
1507 return -1;
1508
1509 wps->cred_cb = wpa_supplicant_wps_cred;
4b68290e 1510 wps->event_cb = wpa_supplicant_wps_event;
239abaf2 1511 wps->rf_band_cb = wpa_supplicant_wps_rf_band;
116654ce
JM		 1512 wps->cb_ctx = wpa_s;
1513
3c0b7aa4
JM		 1514 wps->dev.device_name = wpa_s->conf->device_name;
1515 wps->dev.manufacturer = wpa_s->conf->manufacturer;
1516 wps->dev.model_name = wpa_s->conf->model_name;
1517 wps->dev.model_number = wpa_s->conf->model_number;
1518 wps->dev.serial_number = wpa_s->conf->serial_number;
c0e4dd9e
JM		 1519 wps->config_methods =
1520 wps_config_methods_str2bin(wpa_s->conf->config_methods);
979b988e
JM		 1521 if ((wps->config_methods & (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
1522 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
1523 wpa_printf(MSG_ERROR, "WPS: Both Label and Display config "
1524 "methods are not allowed at the same time");
1525 os_free(wps);
1526 return -1;
1527 }
092acb54 1528 wps->config_methods = wps_fix_config_methods(wps->config_methods);
a9355fac 1529 wps->dev.config_methods = wps->config_methods;
2f646b6e
JB		 1530 os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type,
1531 WPS_DEV_TYPE_LEN);
a9e86bfb 1532
2f646b6e
JB		 1533 wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
1534 os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type,
1535 WPS_DEV_TYPE_LEN * wps->dev.num_sec_dev_types);
a9e86bfb 1536
71dd3b78
AS		 1537 wpas_wps_set_vendor_ext_m1(wpa_s, wps);
1538
3c0b7aa4 1539 wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
6bf731e8 1540 modes = wpa_s->hw.modes;
6fb6d842 1541 if (modes) {
6bf731e8 1542 for (m = 0; m < wpa_s->hw.num_modes; m++) {
6fb6d842
BC		 1543 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B ||
1544 modes[m].mode == HOSTAPD_MODE_IEEE80211G)
1545 wps->dev.rf_bands |= WPS_RF_24GHZ;
1546 else if (modes[m].mode == HOSTAPD_MODE_IEEE80211A)
1547 wps->dev.rf_bands |= WPS_RF_50GHZ;
01a02593
HK		 1548 else if (modes[m].mode == HOSTAPD_MODE_IEEE80211AD)
1549 wps->dev.rf_bands |= WPS_RF_60GHZ;
6fb6d842 1550 }
6fb6d842
BC		 1551 }
1552 if (wps->dev.rf_bands == 0) {
1553 /*
1554 * Default to claiming support for both bands if the driver
1555 * does not provide support for fetching supported bands.
1556 */
1557 wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ;
1558 }
398cfbf6 1559 os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN);
85a821d6 1560 wpas_wps_set_uuid(wpa_s, wps);
116654ce 1561
c5adf528
JM		 1562 wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK;
1563 wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP;
1564
1565 os_memset(&rcfg, 0, sizeof(rcfg));
1566 rcfg.new_psk_cb = wpas_wps_new_psk_cb;
1567 rcfg.pin_needed_cb = wpas_wps_pin_needed_cb;
72df2f5f 1568 rcfg.set_sel_reg_cb = wpas_wps_set_sel_reg_cb;
c5adf528
JM		 1569 rcfg.cb_ctx = wpa_s;
1570
1571 wps->registrar = wps_registrar_init(wps, &rcfg);
1572 if (wps->registrar == NULL) {
1573 wpa_printf(MSG_DEBUG, "Failed to initialize WPS Registrar");
1574 os_free(wps);
1575 return -1;
1576 }
1577
116654ce
JM		 1578 wpa_s->wps = wps;
1579
1580 return 0;
1581}
1582
1583
50d1f890
JM		 1584#ifdef CONFIG_WPS_ER
1585static void wpas_wps_nfc_clear(struct wps_context *wps)
1586{
1587 wps->ap_nfc_dev_pw_id = 0;
1588 wpabuf_free(wps->ap_nfc_dh_pubkey);
1589 wps->ap_nfc_dh_pubkey = NULL;
1590 wpabuf_free(wps->ap_nfc_dh_privkey);
1591 wps->ap_nfc_dh_privkey = NULL;
1592 wpabuf_free(wps->ap_nfc_dev_pw);
1593 wps->ap_nfc_dev_pw = NULL;
1594}
1595#endif /* CONFIG_WPS_ER */
1596
1597
116654ce
JM		 1598void wpas_wps_deinit(struct wpa_supplicant *wpa_s)
1599{
150fd0b2 1600 wpas_wps_assoc_with_cred_cancel(wpa_s);
fcc60db4 1601 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
2e145e91 1602 eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL);
ec947ffc 1603 eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL);
f9f0526b 1604 wpas_wps_clear_ap_info(wpa_s);
fcc60db4 1605
fb2ac53d
AC		 1606#ifdef CONFIG_P2P
1607 eloop_cancel_timeout(wpas_p2p_pbc_overlap_cb, wpa_s, NULL);
1608#endif /* CONFIG_P2P */
1609
116654ce
JM		 1610 if (wpa_s->wps == NULL)
1611 return;
1612
a6b63078 1613#ifdef CONFIG_WPS_ER
1a1bf008 1614 wps_er_deinit(wpa_s->wps_er, NULL, NULL);
a6b63078 1615 wpa_s->wps_er = NULL;
50d1f890 1616 wpas_wps_nfc_clear(wpa_s->wps);
a6b63078
JM		 1617#endif /* CONFIG_WPS_ER */
1618
c5adf528 1619 wps_registrar_deinit(wpa_s->wps->registrar);
46bdb83a
MH		 1620 wpabuf_free(wpa_s->wps->dh_pubkey);
1621 wpabuf_free(wpa_s->wps->dh_privkey);
71dd3b78 1622 wpabuf_free(wpa_s->wps->dev.vendor_ext_m1);
116654ce
JM		 1623 os_free(wpa_s->wps->network_key);
1624 os_free(wpa_s->wps);
1625 wpa_s->wps = NULL;
1626}
351f09a2
JM		 1627
1628
a6099152 1629int wpas_wps_ssid_bss_match(struct wpa_supplicant *wpa_s,
620c7837 1630 struct wpa_ssid *ssid, struct wpa_bss *bss)
351f09a2
JM		 1631{
1632 struct wpabuf *wps_ie;
1633
1634 if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS))
1635 return -1;
1636
620c7837 1637 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
351f09a2
JM		 1638 if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
1639 if (!wps_ie) {
1640 wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
1641 return 0;
1642 }
1643
1644 if (!wps_is_selected_pbc_registrar(wps_ie)) {
1645 wpa_printf(MSG_DEBUG, " skip - WPS AP "
1646 "without active PBC Registrar");
1647 wpabuf_free(wps_ie);
1648 return 0;
1649 }
1650
1651 /* TODO: overlap detection */
1652 wpa_printf(MSG_DEBUG, " selected based on WPS IE "
1653 "(Active PBC)");
1654 wpabuf_free(wps_ie);
1655 return 1;
1656 }
1657
1658 if (eap_is_wps_pin_enrollee(&ssid->eap)) {
1659 if (!wps_ie) {
1660 wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
1661 return 0;
1662 }
1663
a6099152 1664 /*
31fcea93
JM		 1665 * Start with WPS APs that advertise our address as an
1666 * authorized MAC (v2.0) or active PIN Registrar (v1.0) and
1667 * allow any WPS AP after couple of scans since some APs do not
1668 * set Selected Registrar attribute properly when using
1669 * external Registrar.
a6099152 1670 */
31fcea93 1671 if (!wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1)) {
e7d20342
HW		 1672 struct os_reltime age;
1673
1674 os_reltime_age(&wpa_s->wps_pin_start_time, &age);
1675
1676 if (wpa_s->scan_runs < WPS_PIN_SCAN_IGNORE_SEL_REG ||
1677 age.sec < WPS_PIN_TIME_IGNORE_SEL_REG) {
1678 wpa_printf(MSG_DEBUG,
1679 " skip - WPS AP without active PIN Registrar (scan_runs=%d age=%d)",
1680 wpa_s->scan_runs, (int) age.sec);
a6099152
JM		 1681 wpabuf_free(wps_ie);
1682 return 0;
1683 }
1684 wpa_printf(MSG_DEBUG, " selected based on WPS IE");
1685 } else {
1686 wpa_printf(MSG_DEBUG, " selected based on WPS IE "
31fcea93 1687 "(Authorized MAC or Active PIN)");
351f09a2 1688 }
351f09a2
JM		 1689 wpabuf_free(wps_ie);
1690 return 1;
1691 }
1692
1693 if (wps_ie) {
1694 wpa_printf(MSG_DEBUG, " selected based on WPS IE");
1695 wpabuf_free(wps_ie);
1696 return 1;
1697 }
1698
1699 return -1;
1700}
1701
1702
a6099152
JM		 1703int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s,
1704 struct wpa_ssid *ssid,
620c7837 1705 struct wpa_bss *bss)
351f09a2
JM		 1706{
1707 struct wpabuf *wps_ie = NULL;
1708 int ret = 0;
1709
1710 if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
620c7837 1711 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
351f09a2
JM		 1712 if (wps_ie && wps_is_selected_pbc_registrar(wps_ie)) {
1713 /* allow wildcard SSID for WPS PBC */
1714 ret = 1;
1715 }
1716 } else if (eap_is_wps_pin_enrollee(&ssid->eap)) {
620c7837 1717 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
a6099152 1718 if (wps_ie &&
31fcea93 1719 (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1) ||
a6099152 1720 wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) {
351f09a2
JM		 1721 /* allow wildcard SSID for WPS PIN */
1722 ret = 1;
1723 }
1724 }
1725
24c23d1b
JM		 1726 if (!ret && ssid->bssid_set &&
1727 os_memcmp(ssid->bssid, bss->bssid, ETH_ALEN) == 0) {
1728 /* allow wildcard SSID due to hardcoded BSSID match */
1729 ret = 1;
1730 }
1731
54f489be
JM		 1732#ifdef CONFIG_WPS_STRICT
1733 if (wps_ie) {
1734 if (wps_validate_beacon_probe_resp(wps_ie, bss->beacon_ie_len >
ff28ccaf 1735 0, bss->bssid) < 0)
54f489be
JM		 1736 ret = 0;
1737 if (bss->beacon_ie_len) {
1738 struct wpabuf *bcn_wps;
620c7837 1739 bcn_wps = wpa_bss_get_vendor_ie_multi_beacon(
54f489be
JM		 1740 bss, WPS_IE_VENDOR_TYPE);
1741 if (bcn_wps == NULL) {
1742 wpa_printf(MSG_DEBUG, "WPS: Mandatory WPS IE "
1743 "missing from AP Beacon");
1744 ret = 0;
1745 } else {
1746 if (wps_validate_beacon(wps_ie) < 0)
1747 ret = 0;
1748 wpabuf_free(bcn_wps);
1749 }
1750 }
1751 }
1752#endif /* CONFIG_WPS_STRICT */
1753
351f09a2
JM		 1754 wpabuf_free(wps_ie);
1755
1756 return ret;
1757}
1758
1759
1760int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s,
6fa81a3b 1761 struct wpa_bss *selected, struct wpa_ssid *ssid)
351f09a2 1762{
e1dffa3b 1763 const u8 *sel_uuid;
351f09a2
JM		 1764 struct wpabuf *wps_ie;
1765 int ret = 0;
e1dffa3b 1766 size_t i;
351f09a2
JM		 1767
1768 if (!eap_is_wps_pbc_enrollee(&ssid->eap))
1769 return 0;
1770
9647120b
JM		 1771 wpa_printf(MSG_DEBUG, "WPS: Check whether PBC session overlap is "
1772 "present in scan results; selected BSSID " MACSTR,
1773 MAC2STR(selected->bssid));
1774
351f09a2 1775 /* Make sure that only one AP is in active PBC mode */
6fa81a3b 1776 wps_ie = wpa_bss_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE);
9647120b 1777 if (wps_ie) {
351f09a2 1778 sel_uuid = wps_get_uuid_e(wps_ie);
9647120b
JM		 1779 wpa_hexdump(MSG_DEBUG, "WPS: UUID of the selected BSS",
1780 sel_uuid, UUID_LEN);
1781 } else {
1782 wpa_printf(MSG_DEBUG, "WPS: Selected BSS does not include "
1783 "WPS IE?!");
351f09a2 1784 sel_uuid = NULL;
9647120b 1785 }
351f09a2 1786
e1dffa3b
AS		 1787 for (i = 0; i < wpa_s->num_wps_ap; i++) {
1788 struct wps_ap_info *ap = &wpa_s->wps_ap[i];
1789
1790 if (!ap->pbc_active ||
1791 os_memcmp(selected->bssid, ap->bssid, ETH_ALEN) == 0)
351f09a2 1792 continue;
e1dffa3b 1793
9647120b 1794 wpa_printf(MSG_DEBUG, "WPS: Another BSS in active PBC mode: "
e1dffa3b 1795 MACSTR, MAC2STR(ap->bssid));
9647120b 1796 wpa_hexdump(MSG_DEBUG, "WPS: UUID of the other BSS",
e1dffa3b
AS		 1797 ap->uuid, UUID_LEN);
1798 if (sel_uuid == NULL ||
1799 os_memcmp(sel_uuid, ap->uuid, UUID_LEN) != 0) {
351f09a2 1800 ret = 1; /* PBC overlap */
9647120b
JM		 1801 wpa_msg(wpa_s, MSG_INFO, "WPS: PBC overlap detected: "
1802 MACSTR " and " MACSTR,
1803 MAC2STR(selected->bssid),
e1dffa3b 1804 MAC2STR(ap->bssid));
351f09a2
JM		 1805 break;
1806 }
1807
1808 /* TODO: verify that this is reasonable dual-band situation */
1809 }
1810
1811 wpabuf_free(wps_ie);
1812
1813 return ret;
1814}
a524f05e
JM		 1815
1816
1817void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s)
1818{
6fa81a3b 1819 struct wpa_bss *bss;
6c6ad81f 1820 unsigned int pbc = 0, auth = 0, pin = 0, wps = 0;
a524f05e
JM		 1821
1822 if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED)
1823 return;
1824
6fa81a3b 1825 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
a524f05e 1826 struct wpabuf *ie;
6fa81a3b 1827 ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
a524f05e
JM		 1828 if (!ie)
1829 continue;
1830 if (wps_is_selected_pbc_registrar(ie))
6c6ad81f 1831 pbc++;
31fcea93 1832 else if (wps_is_addr_authorized(ie, wpa_s->own_addr, 0))
6c6ad81f 1833 auth++;
a524f05e 1834 else if (wps_is_selected_pin_registrar(ie))
6c6ad81f 1835 pin++;
a524f05e 1836 else
6c6ad81f 1837 wps++;
a524f05e 1838 wpabuf_free(ie);
a524f05e 1839 }
6c6ad81f
JM		 1840
1841 if (pbc)
1842 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PBC);
1843 else if (auth)
1844 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_AUTH);
1845 else if (pin)
1846 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PIN);
1847 else if (wps)
1848 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE);
a524f05e 1849}
24c23d1b
JM		 1850
1851
1852int wpas_wps_searching(struct wpa_supplicant *wpa_s)
1853{
1854 struct wpa_ssid *ssid;
1855
1856 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1857 if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && !ssid->disabled)
1858 return 1;
1859 }
1860
1861 return 0;
1862}
611ed491
JM		 1863
1864
1865int wpas_wps_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
1866 char *end)
1867{
1868 struct wpabuf *wps_ie;
1869 int ret;
1870
1871 wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len, WPS_DEV_OUI_WFA);
1872 if (wps_ie == NULL)
1873 return 0;
1874
1875 ret = wps_attr_text(wps_ie, buf, end);
1876 wpabuf_free(wps_ie);
1877 return ret;
1878}
e9bcfebf
JM		 1879
1880
08486685 1881int wpas_wps_er_start(struct wpa_supplicant *wpa_s, const char *filter)
e9bcfebf
JM		 1882{
1883#ifdef CONFIG_WPS_ER
1884 if (wpa_s->wps_er) {
b3f371ca 1885 wps_er_refresh(wpa_s->wps_er);
e9bcfebf
JM		 1886 return 0;
1887 }
08486685 1888 wpa_s->wps_er = wps_er_init(wpa_s->wps, wpa_s->ifname, filter);
e9bcfebf
JM		 1889 if (wpa_s->wps_er == NULL)
1890 return -1;
1891 return 0;
1892#else /* CONFIG_WPS_ER */
1893 return 0;
1894#endif /* CONFIG_WPS_ER */
1895}
1896
1897
f77cedc1 1898void wpas_wps_er_stop(struct wpa_supplicant *wpa_s)
e9bcfebf
JM		 1899{
1900#ifdef CONFIG_WPS_ER
1a1bf008 1901 wps_er_deinit(wpa_s->wps_er, NULL, NULL);
e9bcfebf
JM		 1902 wpa_s->wps_er = NULL;
1903#endif /* CONFIG_WPS_ER */
e9bcfebf 1904}
72df2f5f
JM		 1905
1906
1907#ifdef CONFIG_WPS_ER
31fcea93
JM		 1908int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const u8 *addr,
1909 const char *uuid, const char *pin)
72df2f5f
JM		 1910{
1911 u8 u[UUID_LEN];
e205401c
JM		 1912 const u8 *use_uuid = NULL;
1913 u8 addr_buf[ETH_ALEN];
72df2f5f 1914
e205401c
JM		 1915 if (os_strcmp(uuid, "any") == 0) {
1916 } else if (uuid_str2bin(uuid, u) == 0) {
1917 use_uuid = u;
1918 } else if (hwaddr_aton(uuid, addr_buf) == 0) {
1919 use_uuid = wps_er_get_sta_uuid(wpa_s->wps_er, addr_buf);
1920 if (use_uuid == NULL)
1921 return -1;
1922 } else
72df2f5f 1923 return -1;
31fcea93 1924 return wps_registrar_add_pin(wpa_s->wps->registrar, addr,
e205401c 1925 use_uuid,
72df2f5f
JM		 1926 (const u8 *) pin, os_strlen(pin), 300);
1927}
564cd7fa
JM		 1928
1929
1930int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid)
1931{
e205401c
JM		 1932 u8 u[UUID_LEN], *use_uuid = NULL;
1933 u8 addr[ETH_ALEN], *use_addr = NULL;
564cd7fa 1934
e205401c
JM		 1935 if (uuid_str2bin(uuid, u) == 0)
1936 use_uuid = u;
1937 else if (hwaddr_aton(uuid, addr) == 0)
1938 use_addr = addr;
1939 else
564cd7fa 1940 return -1;
e205401c 1941 return wps_er_pbc(wpa_s->wps_er, use_uuid, use_addr);
564cd7fa 1942}
e64dcfd5
JM		 1943
1944
1945int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid,
1946 const char *pin)
1947{
59307b30
JM		 1948 u8 u[UUID_LEN], *use_uuid = NULL;
1949 u8 addr[ETH_ALEN], *use_addr = NULL;
e64dcfd5 1950
59307b30
JM		 1951 if (uuid_str2bin(uuid, u) == 0)
1952 use_uuid = u;
1953 else if (hwaddr_aton(uuid, addr) == 0)
1954 use_addr = addr;
1955 else
e64dcfd5 1956 return -1;
59307b30
JM		 1957
1958 return wps_er_learn(wpa_s->wps_er, use_uuid, use_addr, (const u8 *) pin,
e64dcfd5
JM		 1959 os_strlen(pin));
1960}
1a1bf008
JM		 1961
1962
88c8bf31
JM		 1963static int wpas_wps_network_to_cred(struct wpa_ssid *ssid,
1964 struct wps_credential *cred)
1965{
1966 os_memset(cred, 0, sizeof(*cred));
d9d1b952 1967 if (ssid->ssid_len > SSID_MAX_LEN)
88c8bf31
JM		 1968 return -1;
1969 os_memcpy(cred->ssid, ssid->ssid, ssid->ssid_len);
1970 cred->ssid_len = ssid->ssid_len;
1971 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) {
1972 cred->auth_type = (ssid->proto & WPA_PROTO_RSN) ?
1973 WPS_AUTH_WPA2PSK : WPS_AUTH_WPAPSK;
1974 if (ssid->pairwise_cipher & WPA_CIPHER_CCMP)
1975 cred->encr_type = WPS_ENCR_AES;
1976 else
1977 cred->encr_type = WPS_ENCR_TKIP;
1978 if (ssid->passphrase) {
1979 cred->key_len = os_strlen(ssid->passphrase);
1980 if (cred->key_len >= 64)
1981 return -1;
1982 os_memcpy(cred->key, ssid->passphrase, cred->key_len);
1983 } else if (ssid->psk_set) {
1984 cred->key_len = 32;
1985 os_memcpy(cred->key, ssid->psk, 32);
1986 } else
1987 return -1;
1988 } else {
1989 cred->auth_type = WPS_AUTH_OPEN;
1990 cred->encr_type = WPS_ENCR_NONE;
1991 }
1992
1993 return 0;
1994}
1995
1996
ef10f473
JM		 1997int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid,
1998 int id)
1999{
59307b30
JM		 2000 u8 u[UUID_LEN], *use_uuid = NULL;
2001 u8 addr[ETH_ALEN], *use_addr = NULL;
ef10f473
JM		 2002 struct wpa_ssid *ssid;
2003 struct wps_credential cred;
f42df144 2004 int ret;
ef10f473 2005
59307b30
JM		 2006 if (uuid_str2bin(uuid, u) == 0)
2007 use_uuid = u;
2008 else if (hwaddr_aton(uuid, addr) == 0)
2009 use_addr = addr;
2010 else
ef10f473
JM		 2011 return -1;
2012 ssid = wpa_config_get_network(wpa_s->conf, id);
2013 if (ssid == NULL || ssid->ssid == NULL)
2014 return -1;
2015
88c8bf31 2016 if (wpas_wps_network_to_cred(ssid, &cred) < 0)
ef10f473 2017 return -1;
f42df144
JM		 2018 ret = wps_er_set_config(wpa_s->wps_er, use_uuid, use_addr, &cred);
2019 os_memset(&cred, 0, sizeof(cred));
2020 return ret;
ef10f473
JM		 2021}
2022
2023
7d6640a6
JM		 2024int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid,
2025 const char *pin, struct wps_new_ap_settings *settings)
2026{
59307b30
JM		 2027 u8 u[UUID_LEN], *use_uuid = NULL;
2028 u8 addr[ETH_ALEN], *use_addr = NULL;
7d6640a6
JM		 2029 struct wps_credential cred;
2030 size_t len;
2031
59307b30
JM		 2032 if (uuid_str2bin(uuid, u) == 0)
2033 use_uuid = u;
2034 else if (hwaddr_aton(uuid, addr) == 0)
2035 use_addr = addr;
2036 else
7d6640a6
JM		 2037 return -1;
2038 if (settings->ssid_hex == NULL || settings->auth == NULL ||
2039 settings->encr == NULL || settings->key_hex == NULL)
2040 return -1;
2041
2042 os_memset(&cred, 0, sizeof(cred));
2043 len = os_strlen(settings->ssid_hex);
2044 if ((len & 1) || len > 2 * sizeof(cred.ssid) ||
2045 hexstr2bin(settings->ssid_hex, cred.ssid, len / 2))
2046 return -1;
2047 cred.ssid_len = len / 2;
2048
2049 len = os_strlen(settings->key_hex);
2050 if ((len & 1) || len > 2 * sizeof(cred.key) ||
2051 hexstr2bin(settings->key_hex, cred.key, len / 2))
2052 return -1;
2053 cred.key_len = len / 2;
2054
2055 if (os_strcmp(settings->auth, "OPEN") == 0)
2056 cred.auth_type = WPS_AUTH_OPEN;
2057 else if (os_strcmp(settings->auth, "WPAPSK") == 0)
2058 cred.auth_type = WPS_AUTH_WPAPSK;
2059 else if (os_strcmp(settings->auth, "WPA2PSK") == 0)
2060 cred.auth_type = WPS_AUTH_WPA2PSK;
2061 else
2062 return -1;
2063
2064 if (os_strcmp(settings->encr, "NONE") == 0)
2065 cred.encr_type = WPS_ENCR_NONE;
dc390043 2066#ifdef CONFIG_TESTING_OPTIONS
7d6640a6
JM		 2067 else if (os_strcmp(settings->encr, "WEP") == 0)
2068 cred.encr_type = WPS_ENCR_WEP;
dc390043 2069#endif /* CONFIG_TESTING_OPTIONS */
7d6640a6
JM		 2070 else if (os_strcmp(settings->encr, "TKIP") == 0)
2071 cred.encr_type = WPS_ENCR_TKIP;
2072 else if (os_strcmp(settings->encr, "CCMP") == 0)
2073 cred.encr_type = WPS_ENCR_AES;
2074 else
2075 return -1;
2076
59307b30
JM		 2077 return wps_er_config(wpa_s->wps_er, use_uuid, use_addr,
2078 (const u8 *) pin, os_strlen(pin), &cred);
7d6640a6
JM		 2079}
2080
2081
1cea09a9
JM		 2082#ifdef CONFIG_WPS_NFC
2083struct wpabuf * wpas_wps_er_nfc_config_token(struct wpa_supplicant *wpa_s,
2084 int ndef, const char *uuid)
2085{
2086 struct wpabuf *ret;
59307b30
JM		 2087 u8 u[UUID_LEN], *use_uuid = NULL;
2088 u8 addr[ETH_ALEN], *use_addr = NULL;
1cea09a9
JM		 2089
2090 if (!wpa_s->wps_er)
2091 return NULL;
2092
59307b30
JM		 2093 if (uuid_str2bin(uuid, u) == 0)
2094 use_uuid = u;
2095 else if (hwaddr_aton(uuid, addr) == 0)
2096 use_addr = addr;
2097 else
1cea09a9
JM		 2098 return NULL;
2099
59307b30 2100 ret = wps_er_nfc_config_token(wpa_s->wps_er, use_uuid, use_addr);
1cea09a9
JM		 2101 if (ndef && ret) {
2102 struct wpabuf *tmp;
2103 tmp = ndef_build_wifi(ret);
2104 wpabuf_free(ret);
2105 if (tmp == NULL)
2106 return NULL;
2107 ret = tmp;
2108 }
2109
2110 return ret;
2111}
2112#endif /* CONFIG_WPS_NFC */
2113
2114
4c9695be
BG		 2115static int callbacks_pending = 0;
2116
1a1bf008
JM		 2117static void wpas_wps_terminate_cb(void *ctx)
2118{
2119 wpa_printf(MSG_DEBUG, "WPS ER: Terminated");
4c9695be
BG		 2120 if (--callbacks_pending <= 0)
2121 eloop_terminate();
1a1bf008
JM		 2122}
2123#endif /* CONFIG_WPS_ER */
2124
2125
2126int wpas_wps_terminate_pending(struct wpa_supplicant *wpa_s)
2127{
2128#ifdef CONFIG_WPS_ER
2129 if (wpa_s->wps_er) {
4c9695be 2130 callbacks_pending++;
1a1bf008
JM		 2131 wps_er_deinit(wpa_s->wps_er, wpas_wps_terminate_cb, wpa_s);
2132 wpa_s->wps_er = NULL;
2133 return 1;
2134 }
72df2f5f 2135#endif /* CONFIG_WPS_ER */
1a1bf008
JM		 2136 return 0;
2137}
41e650ae
JM		 2138
2139
611aea7d
JM		 2140void wpas_wps_update_config(struct wpa_supplicant *wpa_s)
2141{
2142 struct wps_context *wps = wpa_s->wps;
2143
2144 if (wps == NULL)
2145 return;
2146
2147 if (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS) {
2148 wps->config_methods = wps_config_methods_str2bin(
2149 wpa_s->conf->config_methods);
2150 if ((wps->config_methods &
2151 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
2152 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
2153 wpa_printf(MSG_ERROR, "WPS: Both Label and Display "
2154 "config methods are not allowed at the "
2155 "same time");
2156 wps->config_methods &= ~WPS_CONFIG_LABEL;
2157 }
2158 }
092acb54 2159 wps->config_methods = wps_fix_config_methods(wps->config_methods);
c8b245b6 2160 wps->dev.config_methods = wps->config_methods;
611aea7d 2161
2f646b6e
JB		 2162 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE)
2163 os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type,
2164 WPS_DEV_TYPE_LEN);
611aea7d 2165
a9e86bfb 2166 if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) {
2f646b6e
JB		 2167 wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
2168 os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type,
2169 wps->dev.num_sec_dev_types * WPS_DEV_TYPE_LEN);
a9e86bfb
JMB		 2170 }
2171
71dd3b78
AS		 2172 if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION)
2173 wpas_wps_set_vendor_ext_m1(wpa_s, wps);
2174
611aea7d
JM		 2175 if (wpa_s->conf->changed_parameters & CFG_CHANGED_OS_VERSION)
2176 wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
2177
85a821d6
JM		 2178 if (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID)
2179 wpas_wps_set_uuid(wpa_s, wps);
dcf788d1 2180
1c9cb49f
JM		 2181 if (wpa_s->conf->changed_parameters &
2182 (CFG_CHANGED_DEVICE_NAME | CFG_CHANGED_WPS_STRING)) {
dcf788d1
JM		 2183 /* Update pointers to make sure they refer current values */
2184 wps->dev.device_name = wpa_s->conf->device_name;
2185 wps->dev.manufacturer = wpa_s->conf->manufacturer;
2186 wps->dev.model_name = wpa_s->conf->model_name;
2187 wps->dev.model_number = wpa_s->conf->model_number;
2188 wps->dev.serial_number = wpa_s->conf->serial_number;
2189 }
611aea7d 2190}
3f2c8ba6
JM		 2191
2192
2193#ifdef CONFIG_WPS_NFC
2194
88c8bf31
JM		 2195#ifdef CONFIG_WPS_ER
2196static struct wpabuf *
2197wpas_wps_network_config_token(struct wpa_supplicant *wpa_s, int ndef,
2198 struct wpa_ssid *ssid)
2199{
2200 struct wpabuf *ret;
2201 struct wps_credential cred;
2202
2203 if (wpas_wps_network_to_cred(ssid, &cred) < 0)
2204 return NULL;
2205
2206 ret = wps_er_config_token_from_cred(wpa_s->wps, &cred);
2207
2208 if (ndef && ret) {
2209 struct wpabuf *tmp;
2210 tmp = ndef_build_wifi(ret);
2211 wpabuf_free(ret);
2212 if (tmp == NULL)
2213 return NULL;
2214 ret = tmp;
2215 }
2216
2217 return ret;
2218}
2219#endif /* CONFIG_WPS_ER */
2220
2221
bbf41865 2222struct wpabuf * wpas_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
88c8bf31 2223 int ndef, const char *id_str)
bbf41865 2224{
88c8bf31
JM		 2225#ifdef CONFIG_WPS_ER
2226 if (id_str) {
2227 int id;
2228 char *end = NULL;
2229 struct wpa_ssid *ssid;
2230
2231 id = strtol(id_str, &end, 10);
2232 if (end && *end)
2233 return NULL;
2234
2235 ssid = wpa_config_get_network(wpa_s->conf, id);
2236 if (ssid == NULL)
2237 return NULL;
2238 return wpas_wps_network_config_token(wpa_s, ndef, ssid);
2239 }
2240#endif /* CONFIG_WPS_ER */
bbf41865
JM		 2241#ifdef CONFIG_AP
2242 if (wpa_s->ap_iface)
2243 return wpas_ap_wps_nfc_config_token(wpa_s, ndef);
2244#endif /* CONFIG_AP */
2245 return NULL;
2246}
2247
2248
3f2c8ba6
JM		 2249struct wpabuf * wpas_wps_nfc_token(struct wpa_supplicant *wpa_s, int ndef)
2250{
042ec551
JM		 2251 if (wpa_s->conf->wps_nfc_pw_from_config) {
2252 return wps_nfc_token_build(ndef,
2253 wpa_s->conf->wps_nfc_dev_pw_id,
2254 wpa_s->conf->wps_nfc_dh_pubkey,
2255 wpa_s->conf->wps_nfc_dev_pw);
2256 }
2257
bfc62fe1
JM		 2258 return wps_nfc_token_gen(ndef, &wpa_s->conf->wps_nfc_dev_pw_id,
2259 &wpa_s->conf->wps_nfc_dh_pubkey,
2260 &wpa_s->conf->wps_nfc_dh_privkey,
2261 &wpa_s->conf->wps_nfc_dev_pw);
3f2c8ba6
JM		 2262}
2263
2264
23318bea
JM		 2265int wpas_wps_start_nfc(struct wpa_supplicant *wpa_s, const u8 *go_dev_addr,
2266 const u8 *bssid,
5f454557 2267 const struct wpabuf *dev_pw, u16 dev_pw_id,
57630e65 2268 int p2p_group, const u8 *peer_pubkey_hash,
91a65018 2269 const u8 *ssid, size_t ssid_len, int freq)
3f2c8ba6
JM		 2270{
2271 struct wps_context *wps = wpa_s->wps;
2272 char pw[32 * 2 + 1];
2273
fa4c2988 2274 if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER && dev_pw == NULL) {
5f454557
JM		 2275 dev_pw = wpa_s->conf->wps_nfc_dev_pw;
2276 dev_pw_id = wpa_s->conf->wps_nfc_dev_pw_id;
2277 }
2278
3f2c8ba6 2279 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL ||
fa4c2988
JM		 2280 wpa_s->conf->wps_nfc_dh_privkey == NULL) {
2281 wpa_printf(MSG_DEBUG, "WPS: Missing DH params - "
2282 "cannot start NFC-triggered connection");
2283 return -1;
2284 }
2285
2286 if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER && dev_pw == NULL) {
2287 wpa_printf(MSG_DEBUG, "WPS: Missing Device Password (id=%u) - "
2288 "cannot start NFC-triggered connection", dev_pw_id);
3f2c8ba6 2289 return -1;
fa4c2988 2290 }
3f2c8ba6
JM		 2291
2292 dh5_free(wps->dh_ctx);
2293 wpabuf_free(wps->dh_pubkey);
2294 wpabuf_free(wps->dh_privkey);
2295 wps->dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey);
2296 wps->dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey);
2297 if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
2298 wps->dh_ctx = NULL;
2299 wpabuf_free(wps->dh_pubkey);
2300 wps->dh_pubkey = NULL;
2301 wpabuf_free(wps->dh_privkey);
2302 wps->dh_privkey = NULL;
fa4c2988 2303 wpa_printf(MSG_DEBUG, "WPS: Failed to get DH priv/pub key");
3f2c8ba6
JM		 2304 return -1;
2305 }
2306 wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
5c9d63d4
JM		 2307 if (wps->dh_ctx == NULL) {
2308 wpabuf_free(wps->dh_pubkey);
2309 wps->dh_pubkey = NULL;
2310 wpabuf_free(wps->dh_privkey);
2311 wps->dh_privkey = NULL;
fa4c2988 2312 wpa_printf(MSG_DEBUG, "WPS: Failed to initialize DH context");
3f2c8ba6 2313 return -1;
5c9d63d4 2314 }
3f2c8ba6 2315
fa4c2988
JM		 2316 if (dev_pw) {
2317 wpa_snprintf_hex_uppercase(pw, sizeof(pw),
2318 wpabuf_head(dev_pw),
2319 wpabuf_len(dev_pw));
2320 }
23318bea
JM		 2321 return wpas_wps_start_dev_pw(wpa_s, go_dev_addr, bssid,
2322 dev_pw ? pw : NULL,
fa4c2988 2323 p2p_group, dev_pw_id, peer_pubkey_hash,
91a65018 2324 ssid, ssid_len, freq);
3f2c8ba6
JM		 2325}
2326
d7645d23
JM		 2327
2328static int wpas_wps_use_cred(struct wpa_supplicant *wpa_s,
2329 struct wps_parse_attr *attr)
2330{
170f5663
JM		 2331 /*
2332 * Disable existing networks temporarily to allow the newly learned
2333 * credential to be preferred. Enable the temporarily disabled networks
2334 * after 10 seconds.
2335 */
2336 wpas_wps_temp_disable(wpa_s, NULL);
2337 eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s,
2338 NULL);
2339
d7645d23
JM		 2340 if (wps_oob_use_cred(wpa_s->wps, attr) < 0)
2341 return -1;
2342
2343 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
2344 return 0;
2345
0b5ff2ae
JM		 2346 if (attr->ap_channel) {
2347 u16 chan = WPA_GET_BE16(attr->ap_channel);
bd3a3737
JM		 2348 int freq = 0;
2349
2350 if (chan >= 1 && chan <= 13)
2351 freq = 2407 + 5 * chan;
2352 else if (chan == 14)
2353 freq = 2484;
2354 else if (chan >= 30)
2355 freq = 5000 + 5 * chan;
2356
2357 if (freq) {
0b5ff2ae
JM		 2358 wpa_printf(MSG_DEBUG, "WPS: Credential container indicated AP channel %u -> %u MHz",
2359 chan, freq);
bd3a3737
JM		 2360 wpa_s->after_wps = 5;
2361 wpa_s->wps_freq = freq;
2362 }
2363 }
0b5ff2ae
JM		 2364
2365 wpa_printf(MSG_DEBUG, "WPS: Request reconnection with new network "
2366 "based on the received credential added");
2367 wpa_s->normal_scans = 0;
2368 wpa_supplicant_reinit_autoscan(wpa_s);
d7645d23
JM		 2369 wpa_s->disconnected = 0;
2370 wpa_s->reassociate = 1;
7e910b7b
JJ		 2371
2372 wpa_supplicant_cancel_sched_scan(wpa_s);
d7645d23
JM		 2373 wpa_supplicant_req_scan(wpa_s, 0, 0);
2374
2375 return 0;
2376}
2377
2378
6df865fa 2379#ifdef CONFIG_WPS_ER
e6ea2a45
JM		 2380static int wpas_wps_add_nfc_password_token(struct wpa_supplicant *wpa_s,
2381 struct wps_parse_attr *attr)
2382{
e6ea2a45
JM		 2383 return wps_registrar_add_nfc_password_token(
2384 wpa_s->wps->registrar, attr->oob_dev_password,
2385 attr->oob_dev_password_len);
2386}
6df865fa 2387#endif /* CONFIG_WPS_ER */
e6ea2a45
JM		 2388
2389
d7645d23
JM		 2390static int wpas_wps_nfc_tag_process(struct wpa_supplicant *wpa_s,
2391 const struct wpabuf *wps)
2392{
2393 struct wps_parse_attr attr;
2394
2395 wpa_hexdump_buf(MSG_DEBUG, "WPS: Received NFC tag payload", wps);
2396
2397 if (wps_parse_msg(wps, &attr)) {
2398 wpa_printf(MSG_DEBUG, "WPS: Ignore invalid data from NFC tag");
2399 return -1;
2400 }
2401
2402 if (attr.num_cred)
2403 return wpas_wps_use_cred(wpa_s, &attr);
2404
e6ea2a45
JM		 2405#ifdef CONFIG_WPS_ER
2406 if (attr.oob_dev_password)
2407 return wpas_wps_add_nfc_password_token(wpa_s, &attr);
2408#endif /* CONFIG_WPS_ER */
2409
d7645d23
JM		 2410 wpa_printf(MSG_DEBUG, "WPS: Ignore unrecognized NFC tag");
2411 return -1;
2412}
2413
2414
2415int wpas_wps_nfc_tag_read(struct wpa_supplicant *wpa_s,
b56f6c88 2416 const struct wpabuf *data, int forced_freq)
d7645d23
JM		 2417{
2418 const struct wpabuf *wps = data;
2419 struct wpabuf *tmp = NULL;
2420 int ret;
2421
2422 if (wpabuf_len(data) < 4)
2423 return -1;
2424
2425 if (*wpabuf_head_u8(data) != 0x10) {
2426 /* Assume this contains full NDEF record */
2427 tmp = ndef_parse_wifi(data);
2428 if (tmp == NULL) {
dd37a938
JM		 2429#ifdef CONFIG_P2P
2430 tmp = ndef_parse_p2p(data);
2431 if (tmp) {
b56f6c88
JM		 2432 ret = wpas_p2p_nfc_tag_process(wpa_s, tmp,
2433 forced_freq);
dd37a938
JM		 2434 wpabuf_free(tmp);
2435 return ret;
2436 }
2437#endif /* CONFIG_P2P */
d7645d23
JM		 2438 wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF");
2439 return -1;
2440 }
2441 wps = tmp;
2442 }
2443
2444 ret = wpas_wps_nfc_tag_process(wpa_s, wps);
2445 wpabuf_free(tmp);
2446 return ret;
2447}
2448
e65552dd 2449
41f9ffb6
JM		 2450struct wpabuf * wpas_wps_nfc_handover_req(struct wpa_supplicant *wpa_s,
2451 int ndef)
e65552dd 2452{
41f9ffb6
JM		 2453 struct wpabuf *ret;
2454
2455 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL &&
2456 wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey,
2457 &wpa_s->conf->wps_nfc_dh_privkey) < 0)
2458 return NULL;
2459
2460 ret = wps_build_nfc_handover_req(wpa_s->wps,
2461 wpa_s->conf->wps_nfc_dh_pubkey);
2462
2463 if (ndef && ret) {
2464 struct wpabuf *tmp;
2465 tmp = ndef_build_wifi(ret);
2466 wpabuf_free(ret);
2467 if (tmp == NULL)
2468 return NULL;
2469 ret = tmp;
2470 }
2471
2472 return ret;
e65552dd
JM		 2473}
2474
2475
f3f2ba2e 2476#ifdef CONFIG_WPS_NFC
50d1f890 2477
c5838683
JM		 2478static struct wpabuf *
2479wpas_wps_er_nfc_handover_sel(struct wpa_supplicant *wpa_s, int ndef,
2480 const char *uuid)
f3f2ba2e 2481{
94d7acf3 2482#ifdef CONFIG_WPS_ER
f3f2ba2e 2483 struct wpabuf *ret;
59307b30
JM		 2484 u8 u[UUID_LEN], *use_uuid = NULL;
2485 u8 addr[ETH_ALEN], *use_addr = NULL;
d4b4d7fe 2486 struct wps_context *wps = wpa_s->wps;
f3f2ba2e 2487
d4b4d7fe 2488 if (wps == NULL)
f3f2ba2e
JM		 2489 return NULL;
2490
59307b30
JM		 2491 if (uuid == NULL)
2492 return NULL;
2493 if (uuid_str2bin(uuid, u) == 0)
2494 use_uuid = u;
2495 else if (hwaddr_aton(uuid, addr) == 0)
2496 use_addr = addr;
2497 else
f3f2ba2e
JM		 2498 return NULL;
2499
50d1f890 2500 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL) {
50d1f890
JM		 2501 if (wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey,
2502 &wpa_s->conf->wps_nfc_dh_privkey) < 0)
2503 return NULL;
d4b4d7fe 2504 }
50d1f890 2505
d4b4d7fe
JM		 2506 wpas_wps_nfc_clear(wps);
2507 wps->ap_nfc_dev_pw_id = DEV_PW_NFC_CONNECTION_HANDOVER;
2508 wps->ap_nfc_dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey);
2509 wps->ap_nfc_dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey);
2510 if (!wps->ap_nfc_dh_pubkey || !wps->ap_nfc_dh_privkey) {
50d1f890 2511 wpas_wps_nfc_clear(wps);
d4b4d7fe 2512 return NULL;
50d1f890
JM		 2513 }
2514
2515 ret = wps_er_nfc_handover_sel(wpa_s->wps_er, wpa_s->wps, use_uuid,
2516 use_addr, wpa_s->conf->wps_nfc_dh_pubkey);
f3f2ba2e
JM		 2517 if (ndef && ret) {
2518 struct wpabuf *tmp;
2519 tmp = ndef_build_wifi(ret);
2520 wpabuf_free(ret);
2521 if (tmp == NULL)
2522 return NULL;
2523 ret = tmp;
2524 }
2525
2526 return ret;
94d7acf3
JM		 2527#else /* CONFIG_WPS_ER */
2528 return NULL;
2529#endif /* CONFIG_WPS_ER */
f3f2ba2e
JM		 2530}
2531#endif /* CONFIG_WPS_NFC */
2532
2533
5ab9a6a5 2534struct wpabuf * wpas_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
f3f2ba2e 2535 int ndef, int cr, const char *uuid)
e65552dd 2536{
f3f2ba2e 2537 struct wpabuf *ret;
5ab9a6a5
JM		 2538 if (!cr)
2539 return NULL;
f3f2ba2e
JM		 2540 ret = wpas_ap_wps_nfc_handover_sel(wpa_s, ndef);
2541 if (ret)
2542 return ret;
2543 return wpas_wps_er_nfc_handover_sel(wpa_s, ndef, uuid);
e65552dd
JM		 2544}
2545
2546
679f2e7c
JM		 2547static int wpas_wps_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
2548 const struct wpabuf *data)
e65552dd
JM		 2549{
2550 struct wpabuf *wps;
fa4c2988
JM		 2551 int ret = -1;
2552 u16 wsc_len;
2553 const u8 *pos;
2554 struct wpabuf msg;
2555 struct wps_parse_attr attr;
2556 u16 dev_pw_id;
91a65018
JM		 2557 const u8 *bssid = NULL;
2558 int freq = 0;
e65552dd
JM		 2559
2560 wps = ndef_parse_wifi(data);
2561 if (wps == NULL)
2562 return -1;
2563 wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc "
2564 "payload from NFC connection handover");
fa4c2988
JM		 2565 wpa_hexdump_buf(MSG_DEBUG, "WPS: NFC payload", wps);
2566 if (wpabuf_len(wps) < 2) {
2567 wpa_printf(MSG_DEBUG, "WPS: Too short Wi-Fi Handover Select "
2568 "Message");
2569 goto out;
2570 }
2571 pos = wpabuf_head(wps);
2572 wsc_len = WPA_GET_BE16(pos);
2573 if (wsc_len > wpabuf_len(wps) - 2) {
2574 wpa_printf(MSG_DEBUG, "WPS: Invalid WSC attribute length (%u) "
2575 "in Wi-Fi Handover Select Message", wsc_len);
2576 goto out;
2577 }
2578 pos += 2;
2579
2580 wpa_hexdump(MSG_DEBUG,
2581 "WPS: WSC attributes in Wi-Fi Handover Select Message",
2582 pos, wsc_len);
2583 if (wsc_len < wpabuf_len(wps) - 2) {
2584 wpa_hexdump(MSG_DEBUG,
2585 "WPS: Ignore extra data after WSC attributes",
2586 pos + wsc_len, wpabuf_len(wps) - 2 - wsc_len);
2587 }
2588
2589 wpabuf_set(&msg, pos, wsc_len);
2590 ret = wps_parse_msg(&msg, &attr);
2591 if (ret < 0) {
2592 wpa_printf(MSG_DEBUG, "WPS: Could not parse WSC attributes in "
2593 "Wi-Fi Handover Select Message");
2594 goto out;
2595 }
2596
2597 if (attr.oob_dev_password == NULL ||
2598 attr.oob_dev_password_len < WPS_OOB_PUBKEY_HASH_LEN + 2) {
2599 wpa_printf(MSG_DEBUG, "WPS: No Out-of-Band Device Password "
2600 "included in Wi-Fi Handover Select Message");
2601 ret = -1;
2602 goto out;
2603 }
2604
2605 if (attr.ssid == NULL) {
2606 wpa_printf(MSG_DEBUG, "WPS: No SSID included in Wi-Fi Handover "
2607 "Select Message");
2608 ret = -1;
2609 goto out;
2610 }
2611
2612 wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", attr.ssid, attr.ssid_len);
2613
91a65018
JM		 2614 if (attr.mac_addr) {
2615 bssid = attr.mac_addr;
2616 wpa_printf(MSG_DEBUG, "WPS: MAC Address (BSSID): " MACSTR,
2617 MAC2STR(bssid));
2618 }
2619
2620 if (attr.rf_bands)
2621 wpa_printf(MSG_DEBUG, "WPS: RF Bands: %d", *attr.rf_bands);
2622
2623 if (attr.ap_channel) {
2624 u16 chan = WPA_GET_BE16(attr.ap_channel);
2625
2626 wpa_printf(MSG_DEBUG, "WPS: AP Channel: %d", chan);
2627
2628 if (chan >= 1 && chan <= 13 &&
2629 (attr.rf_bands == NULL || *attr.rf_bands & WPS_RF_24GHZ))
2630 freq = 2407 + 5 * chan;
2631 else if (chan == 14 &&
2632 (attr.rf_bands == NULL ||
2633 *attr.rf_bands & WPS_RF_24GHZ))
2634 freq = 2484;
2635 else if (chan >= 30 &&
2636 (attr.rf_bands == NULL ||
2637 *attr.rf_bands & WPS_RF_50GHZ))
2638 freq = 5000 + 5 * chan;
01a02593
HK		 2639 else if (chan >= 1 && chan <= 4 &&
2640 (attr.rf_bands == NULL ||
2641 *attr.rf_bands & WPS_RF_60GHZ))
2642 freq = 56160 + 2160 * chan;
91a65018
JM		 2643
2644 if (freq) {
2645 wpa_printf(MSG_DEBUG,
2646 "WPS: AP indicated channel %u -> %u MHz",
2647 chan, freq);
2648 }
2649 }
2650
fa4c2988
JM		 2651 wpa_hexdump(MSG_DEBUG, "WPS: Out-of-Band Device Password",
2652 attr.oob_dev_password, attr.oob_dev_password_len);
2653 dev_pw_id = WPA_GET_BE16(attr.oob_dev_password +
2654 WPS_OOB_PUBKEY_HASH_LEN);
2655 if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER) {
2656 wpa_printf(MSG_DEBUG, "WPS: Unexpected OOB Device Password ID "
2657 "%u in Wi-Fi Handover Select Message", dev_pw_id);
2658 ret = -1;
2659 goto out;
2660 }
2661 wpa_hexdump(MSG_DEBUG, "WPS: AP Public Key hash",
2662 attr.oob_dev_password, WPS_OOB_PUBKEY_HASH_LEN);
2663
91a65018 2664 ret = wpas_wps_start_nfc(wpa_s, NULL, bssid, NULL, dev_pw_id, 0,
fa4c2988 2665 attr.oob_dev_password,
91a65018 2666 attr.ssid, attr.ssid_len, freq);
fa4c2988
JM		 2667
2668out:
e65552dd 2669 wpabuf_free(wps);
e65552dd
JM		 2670 return ret;
2671}
2672
e4758827
JM		 2673
2674int wpas_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
2675 const struct wpabuf *req,
2676 const struct wpabuf *sel)
2677{
2678 wpa_printf(MSG_DEBUG, "NFC: WPS connection handover reported");
2679 wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in request", req);
2680 wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in select", sel);
2681 return wpas_wps_nfc_rx_handover_sel(wpa_s, sel);
2682}
2683
50d1f890
JM		 2684
2685int wpas_er_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
2686 const struct wpabuf *req,
2687 const struct wpabuf *sel)
2688{
2689 struct wpabuf *wps;
2690 int ret = -1;
2691 u16 wsc_len;
2692 const u8 *pos;
2693 struct wpabuf msg;
2694 struct wps_parse_attr attr;
2695 u16 dev_pw_id;
2696
2697 /*
2698 * Enrollee/station is always initiator of the NFC connection handover,
2699 * so use the request message here to find Enrollee public key hash.
2700 */
2701 wps = ndef_parse_wifi(req);
2702 if (wps == NULL)
2703 return -1;
2704 wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc "
2705 "payload from NFC connection handover");
2706 wpa_hexdump_buf(MSG_DEBUG, "WPS: NFC payload", wps);
2707 if (wpabuf_len(wps) < 2) {
2708 wpa_printf(MSG_DEBUG, "WPS: Too short Wi-Fi Handover Request "
2709 "Message");
2710 goto out;
2711 }
2712 pos = wpabuf_head(wps);
2713 wsc_len = WPA_GET_BE16(pos);
2714 if (wsc_len > wpabuf_len(wps) - 2) {
2715 wpa_printf(MSG_DEBUG, "WPS: Invalid WSC attribute length (%u) "
2716 "in rt Wi-Fi Handover Request Message", wsc_len);
2717 goto out;
2718 }
2719 pos += 2;
2720
2721 wpa_hexdump(MSG_DEBUG,
2722 "WPS: WSC attributes in Wi-Fi Handover Request Message",
2723 pos, wsc_len);
2724 if (wsc_len < wpabuf_len(wps) - 2) {
2725 wpa_hexdump(MSG_DEBUG,
2726 "WPS: Ignore extra data after WSC attributes",
2727 pos + wsc_len, wpabuf_len(wps) - 2 - wsc_len);
2728 }
2729
2730 wpabuf_set(&msg, pos, wsc_len);
2731 ret = wps_parse_msg(&msg, &attr);
2732 if (ret < 0) {
2733 wpa_printf(MSG_DEBUG, "WPS: Could not parse WSC attributes in "
2734 "Wi-Fi Handover Request Message");
2735 goto out;
2736 }
2737
2738 if (attr.oob_dev_password == NULL ||
2739 attr.oob_dev_password_len < WPS_OOB_PUBKEY_HASH_LEN + 2) {
2740 wpa_printf(MSG_DEBUG, "WPS: No Out-of-Band Device Password "
2741 "included in Wi-Fi Handover Request Message");
2742 ret = -1;
2743 goto out;
2744 }
2745
2746 if (attr.uuid_e == NULL) {
2747 wpa_printf(MSG_DEBUG, "WPS: No UUID-E included in Wi-Fi "
2748 "Handover Request Message");
2749 ret = -1;
2750 goto out;
2751 }
2752
2753 wpa_hexdump(MSG_DEBUG, "WPS: UUID-E", attr.uuid_e, WPS_UUID_LEN);
2754
2755 wpa_hexdump(MSG_DEBUG, "WPS: Out-of-Band Device Password",
2756 attr.oob_dev_password, attr.oob_dev_password_len);
2757 dev_pw_id = WPA_GET_BE16(attr.oob_dev_password +
2758 WPS_OOB_PUBKEY_HASH_LEN);
2759 if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER) {
2760 wpa_printf(MSG_DEBUG, "WPS: Unexpected OOB Device Password ID "
2761 "%u in Wi-Fi Handover Request Message", dev_pw_id);
2762 ret = -1;
2763 goto out;
2764 }
2765 wpa_hexdump(MSG_DEBUG, "WPS: Enrollee Public Key hash",
2766 attr.oob_dev_password, WPS_OOB_PUBKEY_HASH_LEN);
2767
2768 ret = wps_registrar_add_nfc_pw_token(wpa_s->wps->registrar,
2769 attr.oob_dev_password,
2770 DEV_PW_NFC_CONNECTION_HANDOVER,
2771 NULL, 0, 1);
2772
2773out:
2774 wpabuf_free(wps);
2775 return ret;
2776}
2777
3f2c8ba6 2778#endif /* CONFIG_WPS_NFC */
f9f0526b
JM		 2779
2780
f9f0526b
JM		 2781static void wpas_wps_dump_ap_info(struct wpa_supplicant *wpa_s)
2782{
2783 size_t i;
51bffab1 2784 struct os_reltime now;
f9f0526b
JM		 2785
2786 if (wpa_debug_level > MSG_DEBUG)
2787 return;
2788
2789 if (wpa_s->wps_ap == NULL)
2790 return;
2791
51bffab1 2792 os_get_reltime(&now);
f9f0526b
JM		 2793
2794 for (i = 0; i < wpa_s->num_wps_ap; i++) {
2795 struct wps_ap_info *ap = &wpa_s->wps_ap[i];
2796 struct wpa_blacklist *e = wpa_blacklist_get(wpa_s, ap->bssid);
2797
2798 wpa_printf(MSG_DEBUG, "WPS: AP[%d] " MACSTR " type=%d "
2799 "tries=%d last_attempt=%d sec ago blacklist=%d",
2800 (int) i, MAC2STR(ap->bssid), ap->type, ap->tries,
2801 ap->last_attempt.sec > 0 ?
2802 (int) now.sec - (int) ap->last_attempt.sec : -1,
2803 e ? e->count : 0);
2804 }
2805}
2806
2807
2808static struct wps_ap_info * wpas_wps_get_ap_info(struct wpa_supplicant *wpa_s,
2809 const u8 *bssid)
2810{
2811 size_t i;
2812
2813 if (wpa_s->wps_ap == NULL)
2814 return NULL;
2815
2816 for (i = 0; i < wpa_s->num_wps_ap; i++) {
2817 struct wps_ap_info *ap = &wpa_s->wps_ap[i];
2818 if (os_memcmp(ap->bssid, bssid, ETH_ALEN) == 0)
2819 return ap;
2820 }
2821
2822 return NULL;
2823}
2824
2825
2826static void wpas_wps_update_ap_info_bss(struct wpa_supplicant *wpa_s,
2827 struct wpa_scan_res *res)
2828{
2829 struct wpabuf *wps;
2830 enum wps_ap_info_type type;
2831 struct wps_ap_info *ap;
e1dffa3b
AS		 2832 int r, pbc_active;
2833 const u8 *uuid;
f9f0526b
JM		 2834
2835 if (wpa_scan_get_vendor_ie(res, WPS_IE_VENDOR_TYPE) == NULL)
2836 return;
2837
2838 wps = wpa_scan_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE);
2839 if (wps == NULL)
2840 return;
2841
2842 r = wps_is_addr_authorized(wps, wpa_s->own_addr, 1);
2843 if (r == 2)
2844 type = WPS_AP_SEL_REG_OUR;
2845 else if (r == 1)
2846 type = WPS_AP_SEL_REG;
2847 else
2848 type = WPS_AP_NOT_SEL_REG;
2849
e1dffa3b
AS		 2850 uuid = wps_get_uuid_e(wps);
2851 pbc_active = wps_is_selected_pbc_registrar(wps);
f9f0526b
JM		 2852
2853 ap = wpas_wps_get_ap_info(wpa_s, res->bssid);
2854 if (ap) {
2855 if (ap->type != type) {
2856 wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR
2857 " changed type %d -> %d",
2858 MAC2STR(res->bssid), ap->type, type);
2859 ap->type = type;
a462036a
JM		 2860 if (type != WPS_AP_NOT_SEL_REG)
2861 wpa_blacklist_del(wpa_s, ap->bssid);
f9f0526b 2862 }
e1dffa3b
AS		 2863 ap->pbc_active = pbc_active;
2864 if (uuid)
2865 os_memcpy(ap->uuid, uuid, WPS_UUID_LEN);
2866 goto out;
f9f0526b
JM		 2867 }
2868
2869 ap = os_realloc_array(wpa_s->wps_ap, wpa_s->num_wps_ap + 1,
2870 sizeof(struct wps_ap_info));
2871 if (ap == NULL)
e1dffa3b 2872 goto out;
f9f0526b
JM		 2873
2874 wpa_s->wps_ap = ap;
2875 ap = &wpa_s->wps_ap[wpa_s->num_wps_ap];
2876 wpa_s->num_wps_ap++;
2877
2878 os_memset(ap, 0, sizeof(*ap));
2879 os_memcpy(ap->bssid, res->bssid, ETH_ALEN);
2880 ap->type = type;
e1dffa3b
AS		 2881 ap->pbc_active = pbc_active;
2882 if (uuid)
2883 os_memcpy(ap->uuid, uuid, WPS_UUID_LEN);
f9f0526b
JM		 2884 wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR " type %d added",
2885 MAC2STR(ap->bssid), ap->type);
e1dffa3b
AS		 2886
2887out:
2888 wpabuf_free(wps);
f9f0526b
JM		 2889}
2890
2891
2892void wpas_wps_update_ap_info(struct wpa_supplicant *wpa_s,
2893 struct wpa_scan_results *scan_res)
2894{
2895 size_t i;
2896
2897 for (i = 0; i < scan_res->num; i++)
2898 wpas_wps_update_ap_info_bss(wpa_s, scan_res->res[i]);
2899
2900 wpas_wps_dump_ap_info(wpa_s);
2901}
2902
2903
2904void wpas_wps_notify_assoc(struct wpa_supplicant *wpa_s, const u8 *bssid)
2905{
2906 struct wps_ap_info *ap;
7255983b
JM		 2907
2908 wpa_s->after_wps = 0;
2909
f9f0526b
JM		 2910 if (!wpa_s->wps_ap_iter)
2911 return;
2912 ap = wpas_wps_get_ap_info(wpa_s, bssid);
2913 if (ap == NULL)
2914 return;
2915 ap->tries++;
51bffab1 2916 os_get_reltime(&ap->last_attempt);
f9f0526b 2917}
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