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Add a test framework for various wpa_supplicant failure cases
[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
fcc60db4 42static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx);
469fc3a4 43static void wpas_clear_wps(struct wpa_supplicant *wpa_s);
fcc60db4
JM		 44
45
f9f0526b
JM		 46static void wpas_wps_clear_ap_info(struct wpa_supplicant *wpa_s)
47{
48 os_free(wpa_s->wps_ap);
49 wpa_s->wps_ap = NULL;
50 wpa_s->num_wps_ap = 0;
51 wpa_s->wps_ap_iter = 0;
52}
53
54
150fd0b2
JM		 55static void wpas_wps_assoc_with_cred(void *eloop_ctx, void *timeout_ctx)
56{
57 struct wpa_supplicant *wpa_s = eloop_ctx;
58 int use_fast_assoc = timeout_ctx != NULL;
59
60 wpa_printf(MSG_DEBUG, "WPS: Continuing association after eapol_cb");
61 if (!use_fast_assoc ||
62 wpa_supplicant_fast_associate(wpa_s) != 1)
63 wpa_supplicant_req_scan(wpa_s, 0, 0);
64}
65
66
67static void wpas_wps_assoc_with_cred_cancel(struct wpa_supplicant *wpa_s)
68{
69 eloop_cancel_timeout(wpas_wps_assoc_with_cred, wpa_s, (void *) 0);
70 eloop_cancel_timeout(wpas_wps_assoc_with_cred, wpa_s, (void *) 1);
71}
72
73
fa201b69
JM		 74int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s)
75{
95fb2db2
JM		 76 if (wpas_p2p_wps_eapol_cb(wpa_s) > 0)
77 return 1;
95fb2db2 78
a6099152
JM		 79 if (!wpa_s->wps_success &&
80 wpa_s->current_ssid &&
81 eap_is_wps_pin_enrollee(&wpa_s->current_ssid->eap)) {
82 const u8 *bssid = wpa_s->bssid;
83 if (is_zero_ether_addr(bssid))
84 bssid = wpa_s->pending_bssid;
85
86 wpa_printf(MSG_DEBUG, "WPS: PIN registration with " MACSTR
87 " did not succeed - continue trying to find "
88 "suitable AP", MAC2STR(bssid));
89 wpa_blacklist_add(wpa_s, bssid);
90
91 wpa_supplicant_deauthenticate(wpa_s,
92 WLAN_REASON_DEAUTH_LEAVING);
93 wpa_s->reassociate = 1;
94 wpa_supplicant_req_scan(wpa_s,
95 wpa_s->blacklist_cleared ? 5 : 0, 0);
96 wpa_s->blacklist_cleared = 0;
97 return 1;
98 }
99
f9f0526b 100 wpas_wps_clear_ap_info(wpa_s);
fcc60db4 101 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
449adbac
CWY		 102 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && !wpa_s->wps_success)
103 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL);
fcc60db4 104
fa201b69
JM		 105 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid &&
106 !(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
f981eabc 107 int disabled = wpa_s->current_ssid->disabled;
a565c23b 108 unsigned int freq = wpa_s->assoc_freq;
97236cee
MH		 109 struct wpa_bss *bss;
110 struct wpa_ssid *ssid = NULL;
111 int use_fast_assoc = 0;
112
fa201b69 113 wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - "
a565c23b
JM		 114 "try to associate with the received credential "
115 "(freq=%u)", freq);
fa201b69
JM		 116 wpa_supplicant_deauthenticate(wpa_s,
117 WLAN_REASON_DEAUTH_LEAVING);
f981eabc
JM		 118 if (disabled) {
119 wpa_printf(MSG_DEBUG, "WPS: Current network is "
120 "disabled - wait for user to enable");
121 return 1;
122 }
17a4734d 123 wpa_s->after_wps = 5;
a565c23b 124 wpa_s->wps_freq = freq;
0b7a25c0 125 wpa_s->normal_scans = 0;
fa201b69 126 wpa_s->reassociate = 1;
97236cee
MH		 127
128 wpa_printf(MSG_DEBUG, "WPS: Checking whether fast association "
129 "without a new scan can be used");
130 bss = wpa_supplicant_pick_network(wpa_s, &ssid);
131 if (bss) {
132 struct wpabuf *wps;
133 struct wps_parse_attr attr;
134
135 wps = wpa_bss_get_vendor_ie_multi(bss,
136 WPS_IE_VENDOR_TYPE);
137 if (wps && wps_parse_msg(wps, &attr) == 0 &&
138 attr.wps_state &&
139 *attr.wps_state == WPS_STATE_CONFIGURED)
140 use_fast_assoc = 1;
141 wpabuf_free(wps);
142 }
143
150fd0b2
JM		 144 /*
145 * Complete the next step from an eloop timeout to allow pending
146 * driver events related to the disconnection to be processed
147 * first. This makes it less likely for disconnection event to
148 * cause problems with the following connection.
149 */
150 wpa_printf(MSG_DEBUG, "WPS: Continue association from timeout");
151 wpas_wps_assoc_with_cred_cancel(wpa_s);
152 eloop_register_timeout(0, 10000,
153 wpas_wps_assoc_with_cred, wpa_s,
154 use_fast_assoc ? (void *) 1 :
155 (void *) 0);
fa201b69
JM		 156 return 1;
157 }
158
47662164
JM		 159 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid) {
160 wpa_printf(MSG_DEBUG, "WPS: Registration completed - waiting "
161 "for external credential processing");
162 wpas_clear_wps(wpa_s);
163 wpa_supplicant_deauthenticate(wpa_s,
164 WLAN_REASON_DEAUTH_LEAVING);
165 return 1;
166 }
167
fa201b69
JM		 168 return 0;
169}
170
171
7cc1b6c9
JM		 172static void wpas_wps_security_workaround(struct wpa_supplicant *wpa_s,
173 struct wpa_ssid *ssid,
174 const struct wps_credential *cred)
175{
176 struct wpa_driver_capa capa;
59f2caa9 177 struct wpa_bss *bss;
7cc1b6c9
JM		 178 const u8 *ie;
179 struct wpa_ie_data adv;
180 int wpa2 = 0, ccmp = 0;
181
182 /*
183 * Many existing WPS APs do not know how to negotiate WPA2 or CCMP in
184 * case they are configured for mixed mode operation (WPA+WPA2 and
185 * TKIP+CCMP). Try to use scan results to figure out whether the AP
186 * actually supports stronger security and select that if the client
187 * has support for it, too.
188 */
189
190 if (wpa_drv_get_capa(wpa_s, &capa))
191 return; /* Unknown what driver supports */
192
d87e90b6
JM		 193 if (ssid->ssid == NULL)
194 return;
59f2caa9
JM		 195 bss = wpa_bss_get(wpa_s, cred->mac_addr, ssid->ssid, ssid->ssid_len);
196 if (bss == NULL) {
197 wpa_printf(MSG_DEBUG, "WPS: The AP was not found from BSS "
198 "table - use credential as-is");
7cc1b6c9
JM		 199 return;
200 }
201
59f2caa9
JM		 202 wpa_printf(MSG_DEBUG, "WPS: AP found from BSS table");
203
204 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
7cc1b6c9
JM		 205 if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0) {
206 wpa2 = 1;
207 if (adv.pairwise_cipher & WPA_CIPHER_CCMP)
208 ccmp = 1;
209 } else {
59f2caa9 210 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
7cc1b6c9
JM		 211 if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0 &&
212 adv.pairwise_cipher & WPA_CIPHER_CCMP)
213 ccmp = 1;
214 }
215
216 if (ie == NULL && (ssid->proto & WPA_PROTO_WPA) &&
217 (ssid->pairwise_cipher & WPA_CIPHER_TKIP)) {
218 /*
219 * TODO: This could be the initial AP configuration and the
220 * Beacon contents could change shortly. Should request a new
221 * scan and delay addition of the network until the updated
222 * scan results are available.
223 */
224 wpa_printf(MSG_DEBUG, "WPS: The AP did not yet advertise WPA "
225 "support - use credential as-is");
226 return;
227 }
228
229 if (ccmp && !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) &&
230 (ssid->pairwise_cipher & WPA_CIPHER_TKIP) &&
231 (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
232 wpa_printf(MSG_DEBUG, "WPS: Add CCMP into the credential "
233 "based on scan results");
234 if (wpa_s->conf->ap_scan == 1)
235 ssid->pairwise_cipher |= WPA_CIPHER_CCMP;
236 else
237 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
238 }
239
240 if (wpa2 && !(ssid->proto & WPA_PROTO_RSN) &&
241 (ssid->proto & WPA_PROTO_WPA) &&
242 (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP)) {
243 wpa_printf(MSG_DEBUG, "WPS: Add WPA2 into the credential "
244 "based on scan results");
245 if (wpa_s->conf->ap_scan == 1)
246 ssid->proto |= WPA_PROTO_RSN;
247 else
248 ssid->proto = WPA_PROTO_RSN;
249 }
250}
251
252
741ed9fc
VK		 253static void wpas_wps_remove_dup_network(struct wpa_supplicant *wpa_s,
254 struct wpa_ssid *new_ssid)
255{
256 struct wpa_ssid *ssid, *next;
257
258 for (ssid = wpa_s->conf->ssid, next = ssid ? ssid->next : NULL; ssid;
259 ssid = next, next = ssid ? ssid->next : NULL) {
260 /*
261 * new_ssid has already been added to the list in
262 * wpas_wps_add_network(), so skip it.
263 */
264 if (ssid == new_ssid)
265 continue;
266
267 if (ssid->bssid_set || new_ssid->bssid_set) {
268 if (ssid->bssid_set != new_ssid->bssid_set)
269 continue;
270 if (os_memcmp(ssid->bssid, new_ssid->bssid, ETH_ALEN) !=
271 0)
272 continue;
273 }
274
275 /* compare SSID */
276 if (ssid->ssid_len == 0 || ssid->ssid_len != new_ssid->ssid_len)
277 continue;
278
279 if (ssid->ssid && new_ssid->ssid) {
280 if (os_memcmp(ssid->ssid, new_ssid->ssid,
281 ssid->ssid_len) != 0)
282 continue;
283 } else if (ssid->ssid || new_ssid->ssid)
284 continue;
285
286 /* compare security parameters */
287 if (ssid->auth_alg != new_ssid->auth_alg ||
288 ssid->key_mgmt != new_ssid->key_mgmt ||
d77419d2
AM		 289 (ssid->group_cipher != new_ssid->group_cipher &&
290 !(ssid->group_cipher & new_ssid->group_cipher &
291 WPA_CIPHER_CCMP)))
741ed9fc
VK		 292 continue;
293
e5a4b85b
HW		 294 /*
295 * Some existing WPS APs will send two creds in case they are
296 * configured for mixed mode operation (WPA+WPA2 and TKIP+CCMP).
297 * Try to merge these two creds if they are received in the same
298 * M8 message.
299 */
300 if (ssid->wps_run && ssid->wps_run == new_ssid->wps_run &&
301 wpa_key_mgmt_wpa_psk(ssid->key_mgmt)) {
302 if (new_ssid->passphrase && ssid->passphrase &&
303 os_strcmp(new_ssid->passphrase, ssid->passphrase) !=
304 0) {
305 wpa_printf(MSG_DEBUG,
306 "WPS: M8 Creds with different passphrase - do not merge");
307 continue;
308 }
309
310 if (new_ssid->psk_set &&
311 (!ssid->psk_set ||
312 os_memcmp(new_ssid->psk, ssid->psk, 32) != 0)) {
313 wpa_printf(MSG_DEBUG,
314 "WPS: M8 Creds with different PSK - do not merge");
315 continue;
316 }
317
318 if ((new_ssid->passphrase && !ssid->passphrase) ||
319 (!new_ssid->passphrase && ssid->passphrase)) {
320 wpa_printf(MSG_DEBUG,
321 "WPS: M8 Creds with different passphrase/PSK type - do not merge");
322 continue;
323 }
324
325 wpa_printf(MSG_DEBUG,
326 "WPS: Workaround - merge likely WPA/WPA2-mixed mode creds in same M8 message");
327 new_ssid->proto |= ssid->proto;
328 new_ssid->pairwise_cipher |= ssid->pairwise_cipher;
329 } else {
330 /*
331 * proto and pairwise_cipher difference matter for
332 * non-mixed-mode creds.
333 */
334 if (ssid->proto != new_ssid->proto ||
335 ssid->pairwise_cipher != new_ssid->pairwise_cipher)
336 continue;
337 }
338
741ed9fc
VK		 339 /* Remove the duplicated older network entry. */
340 wpa_printf(MSG_DEBUG, "Remove duplicate network %d", ssid->id);
341 wpas_notify_network_removed(wpa_s, ssid);
4f9a5ea5
JM		 342 if (wpa_s->current_ssid == ssid)
343 wpa_s->current_ssid = NULL;
741ed9fc
VK		 344 wpa_config_remove_network(wpa_s->conf, ssid->id);
345 }
346}
347
348
bcbbc7af
JM		 349static int wpa_supplicant_wps_cred(void *ctx,
350 const struct wps_credential *cred)
fa201b69
JM		 351{
352 struct wpa_supplicant *wpa_s = ctx;
353 struct wpa_ssid *ssid = wpa_s->current_ssid;
49eba5f8 354 u16 auth_type;
2c4f80d5 355#ifdef CONFIG_WPS_REG_DISABLE_OPEN
f981eabc 356 int registrar = 0;
2c4f80d5 357#endif /* CONFIG_WPS_REG_DISABLE_OPEN */
fa201b69 358
47662164
JM		 359 if ((wpa_s->conf->wps_cred_processing == 1 ||
360 wpa_s->conf->wps_cred_processing == 2) && cred->cred_attr) {
361 size_t blen = cred->cred_attr_len * 2 + 1;
362 char *buf = os_malloc(blen);
363 if (buf) {
364 wpa_snprintf_hex(buf, blen,
365 cred->cred_attr, cred->cred_attr_len);
366 wpa_msg(wpa_s, MSG_INFO, "%s%s",
367 WPS_EVENT_CRED_RECEIVED, buf);
368 os_free(buf);
369 }
8bac466b
JM		 370
371 wpas_notify_wps_credential(wpa_s, cred);
47662164
JM		 372 } else
373 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CRED_RECEIVED);
fa201b69 374
eca6e0a9
JM		 375 wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute",
376 cred->cred_attr, cred->cred_attr_len);
377
47662164
JM		 378 if (wpa_s->conf->wps_cred_processing == 1)
379 return 0;
380
73267b9c
JM		 381 wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len);
382 wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x",
383 cred->auth_type);
384 wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type);
385 wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx);
386 wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key",
387 cred->key, cred->key_len);
388 wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR,
389 MAC2STR(cred->mac_addr));
390
49eba5f8
JM		 391 auth_type = cred->auth_type;
392 if (auth_type == (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
393 wpa_printf(MSG_DEBUG, "WPS: Workaround - convert mixed-mode "
394 "auth_type into WPA2PSK");
395 auth_type = WPS_AUTH_WPA2PSK;
396 }
397
398 if (auth_type != WPS_AUTH_OPEN &&
49eba5f8
JM		 399 auth_type != WPS_AUTH_WPAPSK &&
400 auth_type != WPS_AUTH_WPA2PSK) {
f286077d 401 wpa_printf(MSG_DEBUG, "WPS: Ignored credentials for "
49eba5f8
JM		 402 "unsupported authentication type 0x%x",
403 auth_type);
f286077d
JM		 404 return 0;
405 }
406
b363121a
JM		 407 if (auth_type == WPS_AUTH_WPAPSK || auth_type == WPS_AUTH_WPA2PSK) {
408 if (cred->key_len < 8 || cred->key_len > 2 * PMK_LEN) {
409 wpa_printf(MSG_ERROR, "WPS: Reject PSK credential with "
410 "invalid Network Key length %lu",
411 (unsigned long) cred->key_len);
412 return -1;
413 }
414 }
415
fa201b69
JM		 416 if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
417 wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based "
418 "on the received credential");
2c4f80d5 419#ifdef CONFIG_WPS_REG_DISABLE_OPEN
f981eabc
JM		 420 if (ssid->eap.identity &&
421 ssid->eap.identity_len == WSC_ID_REGISTRAR_LEN &&
422 os_memcmp(ssid->eap.identity, WSC_ID_REGISTRAR,
423 WSC_ID_REGISTRAR_LEN) == 0)
424 registrar = 1;
2c4f80d5 425#endif /* CONFIG_WPS_REG_DISABLE_OPEN */
fa201b69
JM		 426 os_free(ssid->eap.identity);
427 ssid->eap.identity = NULL;
428 ssid->eap.identity_len = 0;
429 os_free(ssid->eap.phase1);
430 ssid->eap.phase1 = NULL;
431 os_free(ssid->eap.eap_methods);
432 ssid->eap.eap_methods = NULL;
cae2119c 433 if (!ssid->p2p_group) {
2ff99b3c 434 ssid->temporary = 0;
cae2119c
JM		 435 ssid->bssid_set = 0;
436 }
00e5e3d5
JM		 437 ssid->disabled_until.sec = 0;
438 ssid->disabled_until.usec = 0;
439 ssid->auth_failures = 0;
fa201b69
JM		 440 } else {
441 wpa_printf(MSG_DEBUG, "WPS: Create a new network based on the "
442 "received credential");
443 ssid = wpa_config_add_network(wpa_s->conf);
444 if (ssid == NULL)
445 return -1;
ded4f944
JM		 446 if (wpa_s->current_ssid) {
447 /*
448 * Should the GO issue multiple credentials for some
449 * reason, each credential should be marked as a
450 * temporary P2P group similarly to the one that gets
451 * marked as such based on the pre-configured values
452 * used for the WPS network block.
453 */
454 ssid->p2p_group = wpa_s->current_ssid->p2p_group;
455 ssid->temporary = wpa_s->current_ssid->temporary;
456 }
8bac466b 457 wpas_notify_network_added(wpa_s, ssid);
fa201b69
JM		 458 }
459
460 wpa_config_set_network_defaults(ssid);
e5a4b85b 461 ssid->wps_run = wpa_s->wps_run;
fa201b69
JM		 462
463 os_free(ssid->ssid);
464 ssid->ssid = os_malloc(cred->ssid_len);
465 if (ssid->ssid) {
466 os_memcpy(ssid->ssid, cred->ssid, cred->ssid_len);
467 ssid->ssid_len = cred->ssid_len;
468 }
469
470 switch (cred->encr_type) {
471 case WPS_ENCR_NONE:
fa201b69 472 break;
fa201b69
JM		 473 case WPS_ENCR_TKIP:
474 ssid->pairwise_cipher = WPA_CIPHER_TKIP;
fa201b69
JM		 475 break;
476 case WPS_ENCR_AES:
477 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
d77419d2
AM		 478 if (wpa_s->drv_capa_known &&
479 (wpa_s->drv_enc & WPA_DRIVER_CAPA_ENC_GCMP)) {
480 ssid->pairwise_cipher |= WPA_CIPHER_GCMP;
481 ssid->group_cipher |= WPA_CIPHER_GCMP;
482 }
fa201b69
JM		 483 break;
484 }
485
49eba5f8 486 switch (auth_type) {
fa201b69
JM		 487 case WPS_AUTH_OPEN:
488 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
489 ssid->key_mgmt = WPA_KEY_MGMT_NONE;
490 ssid->proto = 0;
f981eabc
JM		 491#ifdef CONFIG_WPS_REG_DISABLE_OPEN
492 if (registrar) {
493 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OPEN_NETWORK
494 "id=%d - Credentials for an open "
495 "network disabled by default - use "
496 "'select_network %d' to enable",
497 ssid->id, ssid->id);
498 ssid->disabled = 1;
499 }
500#endif /* CONFIG_WPS_REG_DISABLE_OPEN */
fa201b69 501 break;
fa201b69
JM		 502 case WPS_AUTH_WPAPSK:
503 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
504 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
505 ssid->proto = WPA_PROTO_WPA;
506 break;
fa201b69
JM		 507 case WPS_AUTH_WPA2PSK:
508 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
509 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
510 ssid->proto = WPA_PROTO_RSN;
511 break;
512 }
513
514 if (ssid->key_mgmt == WPA_KEY_MGMT_PSK) {
515 if (cred->key_len == 2 * PMK_LEN) {
516 if (hexstr2bin((const char *) cred->key, ssid->psk,
517 PMK_LEN)) {
518 wpa_printf(MSG_ERROR, "WPS: Invalid Network "
519 "Key");
520 return -1;
521 }
522 ssid->psk_set = 1;
d1c8ac88 523 ssid->export_keys = 1;
fa201b69
JM		 524 } else if (cred->key_len >= 8 && cred->key_len < 2 * PMK_LEN) {
525 os_free(ssid->passphrase);
526 ssid->passphrase = os_malloc(cred->key_len + 1);
527 if (ssid->passphrase == NULL)
528 return -1;
529 os_memcpy(ssid->passphrase, cred->key, cred->key_len);
530 ssid->passphrase[cred->key_len] = '\0';
531 wpa_config_update_psk(ssid);
d1c8ac88 532 ssid->export_keys = 1;
fa201b69
JM		 533 } else {
534 wpa_printf(MSG_ERROR, "WPS: Invalid Network Key "
535 "length %lu",
536 (unsigned long) cred->key_len);
537 return -1;
538 }
539 }
540
7cc1b6c9
JM		 541 wpas_wps_security_workaround(wpa_s, ssid, cred);
542
741ed9fc
VK		 543 wpas_wps_remove_dup_network(wpa_s, ssid);
544
fa201b69
JM		 545#ifndef CONFIG_NO_CONFIG_WRITE
546 if (wpa_s->conf->update_config &&
547 wpa_config_write(wpa_s->confname, wpa_s->conf)) {
548 wpa_printf(MSG_DEBUG, "WPS: Failed to update configuration");
549 return -1;
550 }
551#endif /* CONFIG_NO_CONFIG_WRITE */
552
6fbcbc07
SD		 553 /*
554 * Optimize the post-WPS scan based on the channel used during
555 * the provisioning in case EAP-Failure is not received.
556 */
557 wpa_s->after_wps = 5;
558 wpa_s->wps_freq = wpa_s->assoc_freq;
559
fa201b69
JM		 560 return 0;
561}
562
563
4b68290e
JM		 564static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant *wpa_s,
565 struct wps_event_m2d *m2d)
566{
567 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_M2D
568 "dev_password_id=%d config_error=%d",
569 m2d->dev_password_id, m2d->config_error);
8bac466b 570 wpas_notify_wps_event_m2d(wpa_s, m2d);
b89883a4
JM		 571#ifdef CONFIG_P2P
572 if (wpa_s->parent && wpa_s->parent != wpa_s) {
573 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_M2D
574 "dev_password_id=%d config_error=%d",
575 m2d->dev_password_id, m2d->config_error);
576 }
577 if (m2d->config_error == WPS_CFG_MULTIPLE_PBC_DETECTED) {
578 /*
579 * Notify P2P from eloop timeout to avoid issues with the
580 * interface getting removed while processing a message.
581 */
ace0fbdb 582 eloop_register_timeout(0, 0, wpas_p2p_pbc_overlap_cb, wpa_s,
b89883a4
JM		 583 NULL);
584 }
585#endif /* CONFIG_P2P */
4b68290e
JM		 586}
587
588
2e145e91
JM		 589static void wpas_wps_clear_timeout(void *eloop_ctx, void *timeout_ctx)
590{
591 struct wpa_supplicant *wpa_s = eloop_ctx;
592 wpa_printf(MSG_DEBUG, "WPS: Clear WPS network from timeout");
593 wpas_clear_wps(wpa_s);
594}
595
596
469fc3a4
JM		 597static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s,
598 struct wps_event_fail *fail)
599{
c5cf0a18
CWY		 600 if (fail->error_indication > 0 &&
601 fail->error_indication < NUM_WPS_EI_VALUES) {
602 wpa_msg(wpa_s, MSG_INFO,
603 WPS_EVENT_FAIL "msg=%d config_error=%d reason=%d (%s)",
604 fail->msg, fail->config_error, fail->error_indication,
961750c1 605 wps_ei_str(fail->error_indication));
c5cf0a18
CWY		 606 if (wpa_s->parent && wpa_s->parent != wpa_s)
607 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
608 "msg=%d config_error=%d reason=%d (%s)",
609 fail->msg, fail->config_error,
610 fail->error_indication,
961750c1 611 wps_ei_str(fail->error_indication));
c5cf0a18
CWY		 612 } else {
613 wpa_msg(wpa_s, MSG_INFO,
614 WPS_EVENT_FAIL "msg=%d config_error=%d",
545cc6af 615 fail->msg, fail->config_error);
c5cf0a18
CWY		 616 if (wpa_s->parent && wpa_s->parent != wpa_s)
617 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
618 "msg=%d config_error=%d",
619 fail->msg, fail->config_error);
620 }
2e145e91
JM		 621
622 /*
623 * Need to allow WPS processing to complete, e.g., by sending WSC_NACK.
624 */
625 wpa_printf(MSG_DEBUG, "WPS: Register timeout to clear WPS network");
626 eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL);
627 eloop_register_timeout(0, 100000, wpas_wps_clear_timeout, wpa_s, NULL);
628
8bac466b 629 wpas_notify_wps_event_fail(wpa_s, fail);
3734552f 630 wpas_p2p_wps_failed(wpa_s, fail);
469fc3a4
JM		 631}
632
633
ec947ffc
SD		 634static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx);
635
636static void wpas_wps_reenable_networks(struct wpa_supplicant *wpa_s)
637{
638 struct wpa_ssid *ssid;
318e772a 639 int changed = 0;
ec947ffc
SD		 640
641 eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL);
642
643 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
644 if (ssid->disabled_for_connect && ssid->disabled) {
645 ssid->disabled_for_connect = 0;
646 ssid->disabled = 0;
647 wpas_notify_network_enabled_changed(wpa_s, ssid);
318e772a 648 changed++;
ec947ffc
SD		 649 }
650 }
318e772a
JM		 651
652 if (changed) {
653#ifndef CONFIG_NO_CONFIG_WRITE
654 if (wpa_s->conf->update_config &&
655 wpa_config_write(wpa_s->confname, wpa_s->conf)) {
656 wpa_printf(MSG_DEBUG, "WPS: Failed to update "
657 "configuration");
658 }
659#endif /* CONFIG_NO_CONFIG_WRITE */
660 }
ec947ffc
SD		 661}
662
663
664static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx)
665{
666 struct wpa_supplicant *wpa_s = eloop_ctx;
667 /* Enable the networks disabled during wpas_wps_reassoc */
668 wpas_wps_reenable_networks(wpa_s);
669}
670
671
ad5302a1
JM		 672static void wpa_supplicant_wps_event_success(struct wpa_supplicant *wpa_s)
673{
674 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS);
a6099152 675 wpa_s->wps_success = 1;
8bac466b 676 wpas_notify_wps_event_success(wpa_s);
f3e907a7
JM		 677 if (wpa_s->current_ssid)
678 wpas_clear_temp_disabled(wpa_s, wpa_s->current_ssid, 1);
679 wpa_s->extra_blacklist_count = 0;
ec947ffc
SD		 680
681 /*
682 * Enable the networks disabled during wpas_wps_reassoc after 10
683 * seconds. The 10 seconds timer is to allow the data connection to be
684 * formed before allowing other networks to be selected.
685 */
686 eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s,
687 NULL);
688
b22128ef 689 wpas_p2p_wps_success(wpa_s, wpa_s->bssid, 0);
ad5302a1
JM		 690}
691
692
b78bc3a3
JM		 693static void wpa_supplicant_wps_event_er_ap_add(struct wpa_supplicant *wpa_s,
694 struct wps_event_er_ap *ap)
695{
696 char uuid_str[100];
ed45947e 697 char dev_type[WPS_DEV_TYPE_BUFSIZE];
e694b344 698
b78bc3a3 699 uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str));
e694b344 700 if (ap->pri_dev_type)
ed45947e
JM		 701 wps_dev_type_bin2str(ap->pri_dev_type, dev_type,
702 sizeof(dev_type));
e694b344
JM		 703 else
704 dev_type[0] = '\0';
705
706 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_ADD "%s " MACSTR
707 " pri_dev_type=%s wps_state=%d |%s|%s|%s|%s|%s|%s|",
708 uuid_str, MAC2STR(ap->mac_addr), dev_type, ap->wps_state,
b78bc3a3
JM		 709 ap->friendly_name ? ap->friendly_name : "",
710 ap->manufacturer ? ap->manufacturer : "",
711 ap->model_description ? ap->model_description : "",
712 ap->model_name ? ap->model_name : "",
713 ap->manufacturer_url ? ap->manufacturer_url : "",
714 ap->model_url ? ap->model_url : "");
715}
716
717
718static void wpa_supplicant_wps_event_er_ap_remove(struct wpa_supplicant *wpa_s,
719 struct wps_event_er_ap *ap)
720{
721 char uuid_str[100];
722 uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str));
723 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_REMOVE "%s", uuid_str);
724}
725
726
727static void wpa_supplicant_wps_event_er_enrollee_add(
728 struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee)
729{
730 char uuid_str[100];
ed45947e 731 char dev_type[WPS_DEV_TYPE_BUFSIZE];
b78bc3a3
JM		 732
733 uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str));
734 if (enrollee->pri_dev_type)
ed45947e
JM		 735 wps_dev_type_bin2str(enrollee->pri_dev_type, dev_type,
736 sizeof(dev_type));
b78bc3a3
JM		 737 else
738 dev_type[0] = '\0';
739
740 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_ADD "%s " MACSTR
741 " M1=%d config_methods=0x%x dev_passwd_id=%d pri_dev_type=%s "
742 "|%s|%s|%s|%s|%s|",
743 uuid_str, MAC2STR(enrollee->mac_addr), enrollee->m1_received,
744 enrollee->config_methods, enrollee->dev_passwd_id, dev_type,
745 enrollee->dev_name ? enrollee->dev_name : "",
746 enrollee->manufacturer ? enrollee->manufacturer : "",
747 enrollee->model_name ? enrollee->model_name : "",
748 enrollee->model_number ? enrollee->model_number : "",
749 enrollee->serial_number ? enrollee->serial_number : "");
750}
751
752
753static void wpa_supplicant_wps_event_er_enrollee_remove(
754 struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee)
755{
756 char uuid_str[100];
757 uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str));
758 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_REMOVE "%s " MACSTR,
759 uuid_str, MAC2STR(enrollee->mac_addr));
760}
761
762
15dbf129
JM		 763static void wpa_supplicant_wps_event_er_ap_settings(
764 struct wpa_supplicant *wpa_s,
765 struct wps_event_er_ap_settings *ap_settings)
766{
767 char uuid_str[100];
768 char key_str[65];
769 const struct wps_credential *cred = ap_settings->cred;
770
771 key_str[0] = '\0';
772 if (cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
773 if (cred->key_len >= 8 && cred->key_len <= 64) {
774 os_memcpy(key_str, cred->key, cred->key_len);
775 key_str[cred->key_len] = '\0';
776 }
777 }
778
779 uuid_bin2str(ap_settings->uuid, uuid_str, sizeof(uuid_str));
780 /* Use wpa_msg_ctrl to avoid showing the key in debug log */
781 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_SETTINGS
782 "uuid=%s ssid=%s auth_type=0x%04x encr_type=0x%04x "
783 "key=%s",
784 uuid_str, wpa_ssid_txt(cred->ssid, cred->ssid_len),
785 cred->auth_type, cred->encr_type, key_str);
786}
787
788
3e7533b3
JM		 789static void wpa_supplicant_wps_event_er_set_sel_reg(
790 struct wpa_supplicant *wpa_s,
791 struct wps_event_er_set_selected_registrar *ev)
792{
793 char uuid_str[100];
794
795 uuid_bin2str(ev->uuid, uuid_str, sizeof(uuid_str));
796 switch (ev->state) {
797 case WPS_ER_SET_SEL_REG_START:
798 wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG
799 "uuid=%s state=START sel_reg=%d dev_passwd_id=%u "
800 "sel_reg_config_methods=0x%x",
801 uuid_str, ev->sel_reg, ev->dev_passwd_id,
802 ev->sel_reg_config_methods);
803 break;
804 case WPS_ER_SET_SEL_REG_DONE:
805 wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG
806 "uuid=%s state=DONE", uuid_str);
807 break;
808 case WPS_ER_SET_SEL_REG_FAILED:
809 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_SET_SEL_REG
810 "uuid=%s state=FAILED", uuid_str);
811 break;
812 }
813}
814
815
4b68290e
JM		 816static void wpa_supplicant_wps_event(void *ctx, enum wps_event event,
817 union wps_event_data *data)
818{
819 struct wpa_supplicant *wpa_s = ctx;
820 switch (event) {
821 case WPS_EV_M2D:
822 wpa_supplicant_wps_event_m2d(wpa_s, &data->m2d);
823 break;
469fc3a4
JM		 824 case WPS_EV_FAIL:
825 wpa_supplicant_wps_event_fail(wpa_s, &data->fail);
826 break;
ad5302a1
JM		 827 case WPS_EV_SUCCESS:
828 wpa_supplicant_wps_event_success(wpa_s);
829 break;
3b2cf800 830 case WPS_EV_PWD_AUTH_FAIL:
70d84f11
JM		 831#ifdef CONFIG_AP
832 if (wpa_s->ap_iface && data->pwd_auth_fail.enrollee)
833 wpa_supplicant_ap_pwd_auth_fail(wpa_s);
834#endif /* CONFIG_AP */
3b2cf800 835 break;
63330c68
OK		 836 case WPS_EV_PBC_OVERLAP:
837 break;
838 case WPS_EV_PBC_TIMEOUT:
839 break;
50396e29
JM		 840 case WPS_EV_PBC_ACTIVE:
841 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ACTIVE);
842 break;
843 case WPS_EV_PBC_DISABLE:
844 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_DISABLE);
845 break;
b78bc3a3
JM		 846 case WPS_EV_ER_AP_ADD:
847 wpa_supplicant_wps_event_er_ap_add(wpa_s, &data->ap);
848 break;
849 case WPS_EV_ER_AP_REMOVE:
850 wpa_supplicant_wps_event_er_ap_remove(wpa_s, &data->ap);
851 break;
852 case WPS_EV_ER_ENROLLEE_ADD:
853 wpa_supplicant_wps_event_er_enrollee_add(wpa_s,
854 &data->enrollee);
855 break;
856 case WPS_EV_ER_ENROLLEE_REMOVE:
857 wpa_supplicant_wps_event_er_enrollee_remove(wpa_s,
858 &data->enrollee);
859 break;
15dbf129
JM		 860 case WPS_EV_ER_AP_SETTINGS:
861 wpa_supplicant_wps_event_er_ap_settings(wpa_s,
862 &data->ap_settings);
863 break;
3e7533b3
JM		 864 case WPS_EV_ER_SET_SELECTED_REGISTRAR:
865 wpa_supplicant_wps_event_er_set_sel_reg(wpa_s,
866 &data->set_sel_reg);
867 break;
32cdcf15
JM		 868 case WPS_EV_AP_PIN_SUCCESS:
869 break;
4b68290e
JM		 870 }
871}
872
873
239abaf2
DS		 874static int wpa_supplicant_wps_rf_band(void *ctx)
875{
876 struct wpa_supplicant *wpa_s = ctx;
877
878 if (!wpa_s->current_ssid || !wpa_s->assoc_freq)
879 return 0;
880
881 return (wpa_s->assoc_freq > 2484) ? WPS_RF_50GHZ : WPS_RF_24GHZ;
882}
883
884
f90c86d4 885enum wps_request_type wpas_wps_get_req_type(struct wpa_ssid *ssid)
fa201b69 886{
b01c18a8
JM		 887 if (eap_is_wps_pbc_enrollee(&ssid->eap) ||
888 eap_is_wps_pin_enrollee(&ssid->eap))
889 return WPS_REQ_ENROLLEE;
890 else
891 return WPS_REQ_REGISTRAR;
fa201b69 892}
116654ce
JM		 893
894
fcc60db4
JM		 895static void wpas_clear_wps(struct wpa_supplicant *wpa_s)
896{
897 int id;
20a0b03d
JM		 898 struct wpa_ssid *ssid, *remove_ssid = NULL, *prev_current;
899
7255983b 900 wpa_s->after_wps = 0;
4d9fb08d 901 wpa_s->known_wps_freq = 0;
7255983b 902
20a0b03d 903 prev_current = wpa_s->current_ssid;
fcc60db4 904
ec947ffc
SD		 905 /* Enable the networks disabled during wpas_wps_reassoc */
906 wpas_wps_reenable_networks(wpa_s);
907
fcc60db4 908 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
5890fa81 909 eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL);
fcc60db4
JM		 910
911 /* Remove any existing WPS network from configuration */
912 ssid = wpa_s->conf->ssid;
913 while (ssid) {
f0477201 914 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
8bac466b 915 if (ssid == wpa_s->current_ssid) {
c7a67a77
JZ		 916 wpa_supplicant_deauthenticate(
917 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
8bac466b 918 }
fcc60db4 919 id = ssid->id;
8bac466b 920 remove_ssid = ssid;
f0477201 921 } else
fcc60db4
JM		 922 id = -1;
923 ssid = ssid->next;
8bac466b 924 if (id >= 0) {
20a0b03d
JM		 925 if (prev_current == remove_ssid) {
926 wpa_sm_set_config(wpa_s->wpa, NULL);
927 eapol_sm_notify_config(wpa_s->eapol, NULL,
928 NULL);
929 }
8bac466b 930 wpas_notify_network_removed(wpa_s, remove_ssid);
fcc60db4 931 wpa_config_remove_network(wpa_s->conf, id);
8bac466b 932 }
fcc60db4 933 }
f9f0526b
JM		 934
935 wpas_wps_clear_ap_info(wpa_s);
fcc60db4
JM		 936}
937
938
939static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx)
940{
941 struct wpa_supplicant *wpa_s = eloop_ctx;
014732ea
AC		 942 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed "
943 "out");
fcc60db4
JM		 944 wpas_clear_wps(wpa_s);
945}
946
947
948static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s,
23318bea
JM		 949 int registrar, const u8 *dev_addr,
950 const u8 *bssid)
fcc60db4
JM		 951{
952 struct wpa_ssid *ssid;
953
954 ssid = wpa_config_add_network(wpa_s->conf);
955 if (ssid == NULL)
956 return NULL;
8bac466b 957 wpas_notify_network_added(wpa_s, ssid);
fcc60db4 958 wpa_config_set_network_defaults(ssid);
2ff99b3c 959 ssid->temporary = 1;
fcc60db4
JM		 960 if (wpa_config_set(ssid, "key_mgmt", "WPS", 0) < 0 ||
961 wpa_config_set(ssid, "eap", "WSC", 0) < 0 ||
962 wpa_config_set(ssid, "identity", registrar ?
963 "\"" WSC_ID_REGISTRAR "\"" :
964 "\"" WSC_ID_ENROLLEE "\"", 0) < 0) {
8bac466b 965 wpas_notify_network_removed(wpa_s, ssid);
fcc60db4
JM		 966 wpa_config_remove_network(wpa_s->conf, ssid->id);
967 return NULL;
968 }
969
23318bea
JM		 970#ifdef CONFIG_P2P
971 if (dev_addr)
972 os_memcpy(ssid->go_p2p_dev_addr, dev_addr, ETH_ALEN);
973#endif /* CONFIG_P2P */
974
fcc60db4 975 if (bssid) {
b2c5a4a3 976#ifndef CONFIG_P2P
59f2caa9 977 struct wpa_bss *bss;
f7e54365 978 int count = 0;
b2c5a4a3 979#endif /* CONFIG_P2P */
fcc60db4
JM		 980
981 os_memcpy(ssid->bssid, bssid, ETH_ALEN);
24c23d1b 982 ssid->bssid_set = 1;
fcc60db4 983
b2c5a4a3
JM		 984 /*
985 * Note: With P2P, the SSID may change at the time the WPS
986 * provisioning is started, so better not filter the AP based
987 * on the current SSID in the scan results.
988 */
989#ifndef CONFIG_P2P
59f2caa9
JM		 990 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
991 if (os_memcmp(bssid, bss->bssid, ETH_ALEN) != 0)
fcc60db4
JM		 992 continue;
993
fcc60db4 994 os_free(ssid->ssid);
59f2caa9 995 ssid->ssid = os_malloc(bss->ssid_len);
fcc60db4
JM		 996 if (ssid->ssid == NULL)
997 break;
59f2caa9
JM		 998 os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len);
999 ssid->ssid_len = bss->ssid_len;
f7e54365
JM		 1000 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Picked SSID from "
1001 "scan results",
1002 ssid->ssid, ssid->ssid_len);
1003 count++;
1004 }
1005
1006 if (count > 1) {
1007 wpa_printf(MSG_DEBUG, "WPS: More than one SSID found "
1008 "for the AP; use wildcard");
1009 os_free(ssid->ssid);
1010 ssid->ssid = NULL;
1011 ssid->ssid_len = 0;
fcc60db4 1012 }
b2c5a4a3 1013#endif /* CONFIG_P2P */
fcc60db4
JM		 1014 }
1015
1016 return ssid;
1017}
1018
1019
170f5663
JM		 1020static void wpas_wps_temp_disable(struct wpa_supplicant *wpa_s,
1021 struct wpa_ssid *selected)
fcc60db4
JM		 1022{
1023 struct wpa_ssid *ssid;
1024
d9d87c33
JM		 1025 if (wpa_s->current_ssid)
1026 wpa_supplicant_deauthenticate(
1027 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
1028
fcc60db4
JM		 1029 /* Mark all other networks disabled and trigger reassociation */
1030 ssid = wpa_s->conf->ssid;
1031 while (ssid) {
8bac466b 1032 int was_disabled = ssid->disabled;
ec947ffc 1033 ssid->disabled_for_connect = 0;
c2762e41
JS		 1034 /*
1035 * In case the network object corresponds to a persistent group
1036 * then do not send out network disabled signal. In addition,
1037 * do not change disabled status of persistent network objects
1038 * from 2 to 1 should we connect to another network.
1039 */
1040 if (was_disabled != 2) {
1041 ssid->disabled = ssid != selected;
ec947ffc
SD		 1042 if (was_disabled != ssid->disabled) {
1043 if (ssid->disabled)
1044 ssid->disabled_for_connect = 1;
c2762e41
JS		 1045 wpas_notify_network_enabled_changed(wpa_s,
1046 ssid);
ec947ffc 1047 }
c2762e41 1048 }
fcc60db4
JM		 1049 ssid = ssid->next;
1050 }
170f5663
JM		 1051}
1052
1053
1054static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s,
91a65018
JM		 1055 struct wpa_ssid *selected, const u8 *bssid,
1056 int freq)
170f5663
JM		 1057{
1058 struct wpa_bss *bss;
1059
e5a4b85b
HW		 1060 wpa_s->wps_run++;
1061 if (wpa_s->wps_run == 0)
1062 wpa_s->wps_run++;
170f5663
JM		 1063 wpa_s->after_wps = 0;
1064 wpa_s->known_wps_freq = 0;
91a65018
JM		 1065 if (freq) {
1066 wpa_s->after_wps = 5;
1067 wpa_s->wps_freq = freq;
1068 } else if (bssid) {
170f5663
JM		 1069 bss = wpa_bss_get_bssid_latest(wpa_s, bssid);
1070 if (bss && bss->freq > 0) {
1071 wpa_s->known_wps_freq = 1;
1072 wpa_s->wps_freq = bss->freq;
1073 }
1074 }
1075
1076 wpas_wps_temp_disable(wpa_s, selected);
1077
fcc60db4
JM		 1078 wpa_s->disconnected = 0;
1079 wpa_s->reassociate = 1;
a6099152 1080 wpa_s->scan_runs = 0;
0b7a25c0 1081 wpa_s->normal_scans = 0;
a6099152
JM		 1082 wpa_s->wps_success = 0;
1083 wpa_s->blacklist_cleared = 0;
1cba9bea
JJ		 1084
1085 wpa_supplicant_cancel_sched_scan(wpa_s);
fcc60db4
JM		 1086 wpa_supplicant_req_scan(wpa_s, 0, 0);
1087}
1088
1089
9fa243b2
JM		 1090int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
1091 int p2p_group)
fcc60db4
JM		 1092{
1093 struct wpa_ssid *ssid;
bd47d680
JM		 1094
1095#ifdef CONFIG_AP
1096 if (wpa_s->ap_iface) {
1097 wpa_printf(MSG_DEBUG,
1098 "WPS: Reject request to start Registrar(as station) operation while AP mode is enabled");
1099 return -1;
1100 }
1101#endif /* CONFIG_AP */
fcc60db4 1102 wpas_clear_wps(wpa_s);
23318bea 1103 ssid = wpas_wps_add_network(wpa_s, 0, NULL, bssid);
fcc60db4
JM		 1104 if (ssid == NULL)
1105 return -1;
9fa243b2
JM		 1106 ssid->temporary = 1;
1107 ssid->p2p_group = p2p_group;
812bf56a 1108#ifdef CONFIG_P2P
e9a7ae41
JM		 1109 if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) {
1110 ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1);
1111 if (ssid->ssid) {
1112 ssid->ssid_len = wpa_s->go_params->ssid_len;
1113 os_memcpy(ssid->ssid, wpa_s->go_params->ssid,
1114 ssid->ssid_len);
1115 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP "
1116 "SSID", ssid->ssid, ssid->ssid_len);
1117 }
1118 }
812bf56a 1119#endif /* CONFIG_P2P */
9c75e9fb
JM		 1120 if (wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0) < 0)
1121 return -1;
42f50264
JM		 1122 if (wpa_s->wps_fragment_size)
1123 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
fcc60db4
JM		 1124 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
1125 wpa_s, NULL);
91a65018 1126 wpas_wps_reassoc(wpa_s, ssid, bssid, 0);
fcc60db4
JM		 1127 return 0;
1128}
1129
1130
23318bea
JM		 1131static int wpas_wps_start_dev_pw(struct wpa_supplicant *wpa_s,
1132 const u8 *dev_addr, const u8 *bssid,
5f454557 1133 const char *pin, int p2p_group, u16 dev_pw_id,
57630e65 1134 const u8 *peer_pubkey_hash,
91a65018 1135 const u8 *ssid_val, size_t ssid_len, int freq)
fcc60db4
JM		 1136{
1137 struct wpa_ssid *ssid;
5f454557 1138 char val[128 + 2 * WPS_OOB_PUBKEY_HASH_LEN];
fcc60db4 1139 unsigned int rpin = 0;
5f454557 1140 char hash[2 * WPS_OOB_PUBKEY_HASH_LEN + 10];
fcc60db4 1141
bd47d680
JM		 1142#ifdef CONFIG_AP
1143 if (wpa_s->ap_iface) {
1144 wpa_printf(MSG_DEBUG,
1145 "WPS: Reject request to start Registrar(as station) operation while AP mode is enabled");
1146 return -1;
1147 }
1148#endif /* CONFIG_AP */
fcc60db4 1149 wpas_clear_wps(wpa_s);
23318bea
JM		 1150 if (bssid && is_zero_ether_addr(bssid))
1151 bssid = NULL;
1152 ssid = wpas_wps_add_network(wpa_s, 0, dev_addr, bssid);
57630e65
JM		 1153 if (ssid == NULL) {
1154 wpa_printf(MSG_DEBUG, "WPS: Could not add network");
fcc60db4 1155 return -1;
57630e65 1156 }
9fa243b2
JM		 1157 ssid->temporary = 1;
1158 ssid->p2p_group = p2p_group;
57630e65
JM		 1159 if (ssid_val) {
1160 ssid->ssid = os_malloc(ssid_len);
1161 if (ssid->ssid) {
1162 os_memcpy(ssid->ssid, ssid_val, ssid_len);
1163 ssid->ssid_len = ssid_len;
1164 }
1165 }
5f454557
JM		 1166 if (peer_pubkey_hash) {
1167 os_memcpy(hash, " pkhash=", 8);
1168 wpa_snprintf_hex_uppercase(hash + 8, sizeof(hash) - 8,
1169 peer_pubkey_hash,
1170 WPS_OOB_PUBKEY_HASH_LEN);
1171 } else {
1172 hash[0] = '\0';
1173 }
812bf56a 1174#ifdef CONFIG_P2P
e9a7ae41
JM		 1175 if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) {
1176 ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1);
1177 if (ssid->ssid) {
1178 ssid->ssid_len = wpa_s->go_params->ssid_len;
1179 os_memcpy(ssid->ssid, wpa_s->go_params->ssid,
1180 ssid->ssid_len);
1181 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP "
1182 "SSID", ssid->ssid, ssid->ssid_len);
1183 }
1184 }
812bf56a 1185#endif /* CONFIG_P2P */
fcc60db4 1186 if (pin)
5f454557
JM		 1187 os_snprintf(val, sizeof(val), "\"pin=%s dev_pw_id=%u%s\"",
1188 pin, dev_pw_id, hash);
fa4c2988
JM		 1189 else if (pin == NULL && dev_pw_id == DEV_PW_NFC_CONNECTION_HANDOVER) {
1190 os_snprintf(val, sizeof(val), "\"dev_pw_id=%u%s\"",
1191 dev_pw_id, hash);
1192 } else {
fcc60db4 1193 rpin = wps_generate_pin();
5f454557
JM		 1194 os_snprintf(val, sizeof(val), "\"pin=%08d dev_pw_id=%u%s\"",
1195 rpin, dev_pw_id, hash);
fcc60db4 1196 }
fa4c2988
JM		 1197 if (wpa_config_set(ssid, "phase1", val, 0) < 0) {
1198 wpa_printf(MSG_DEBUG, "WPS: Failed to set phase1 '%s'", val);
9c75e9fb 1199 return -1;
fa4c2988 1200 }
42f50264
JM		 1201 if (wpa_s->wps_fragment_size)
1202 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
fcc60db4
JM		 1203 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
1204 wpa_s, NULL);
f9f0526b 1205 wpa_s->wps_ap_iter = 1;
91a65018 1206 wpas_wps_reassoc(wpa_s, ssid, bssid, freq);
fcc60db4
JM		 1207 return rpin;
1208}
1209
1210
5f454557
JM		 1211int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
1212 const char *pin, int p2p_group, u16 dev_pw_id)
1213{
23318bea 1214 return wpas_wps_start_dev_pw(wpa_s, NULL, bssid, pin, p2p_group,
91a65018 1215 dev_pw_id, NULL, NULL, 0, 0);
5f454557
JM		 1216}
1217
1218
2f9929ff
AC		 1219/* Cancel the wps pbc/pin requests */
1220int wpas_wps_cancel(struct wpa_supplicant *wpa_s)
1221{
1222#ifdef CONFIG_AP
1223 if (wpa_s->ap_iface) {
1224 wpa_printf(MSG_DEBUG, "WPS: Cancelling in AP mode");
1225 return wpa_supplicant_ap_wps_cancel(wpa_s);
1226 }
1227#endif /* CONFIG_AP */
1228
476dea24
JM		 1229 if (wpa_s->wpa_state == WPA_SCANNING ||
1230 wpa_s->wpa_state == WPA_DISCONNECTED) {
2f9929ff
AC		 1231 wpa_printf(MSG_DEBUG, "WPS: Cancel operation - cancel scan");
1232 wpa_supplicant_cancel_scan(wpa_s);
1233 wpas_clear_wps(wpa_s);
1234 } else if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1235 wpa_printf(MSG_DEBUG, "WPS: Cancel operation - "
1236 "deauthenticate");
1237 wpa_supplicant_deauthenticate(wpa_s,
1238 WLAN_REASON_DEAUTH_LEAVING);
1239 wpas_clear_wps(wpa_s);
ec947ffc
SD		 1240 } else {
1241 wpas_wps_reenable_networks(wpa_s);
f9f0526b 1242 wpas_wps_clear_ap_info(wpa_s);
5890fa81
JM		 1243 if (eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL) >
1244 0)
1245 wpas_clear_wps(wpa_s);
ec947ffc 1246 }
2f9929ff 1247
7255983b
JM		 1248 wpa_s->after_wps = 0;
1249
2f9929ff
AC		 1250 return 0;
1251}
1252
1253
fcc60db4 1254int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid,
52eb293d 1255 const char *pin, struct wps_new_ap_settings *settings)
fcc60db4
JM		 1256{
1257 struct wpa_ssid *ssid;
52eb293d
JM		 1258 char val[200];
1259 char *pos, *end;
1260 int res;
fcc60db4 1261
bd47d680
JM		 1262#ifdef CONFIG_AP
1263 if (wpa_s->ap_iface) {
1264 wpa_printf(MSG_DEBUG,
1265 "WPS: Reject request to start Registrar(as station) operation while AP mode is enabled");
1266 return -1;
1267 }
1268#endif /* CONFIG_AP */
fcc60db4
JM		 1269 if (!pin)
1270 return -1;
1271 wpas_clear_wps(wpa_s);
23318bea 1272 ssid = wpas_wps_add_network(wpa_s, 1, NULL, bssid);
fcc60db4
JM		 1273 if (ssid == NULL)
1274 return -1;
2ff99b3c 1275 ssid->temporary = 1;
52eb293d
JM		 1276 pos = val;
1277 end = pos + sizeof(val);
1278 res = os_snprintf(pos, end - pos, "\"pin=%s", pin);
d85e1fc8 1279 if (os_snprintf_error(end - pos, res))
52eb293d
JM		 1280 return -1;
1281 pos += res;
1282 if (settings) {
1283 res = os_snprintf(pos, end - pos, " new_ssid=%s new_auth=%s "
1284 "new_encr=%s new_key=%s",
1285 settings->ssid_hex, settings->auth,
1286 settings->encr, settings->key_hex);
d85e1fc8 1287 if (os_snprintf_error(end - pos, res))
52eb293d
JM		 1288 return -1;
1289 pos += res;
1290 }
1291 res = os_snprintf(pos, end - pos, "\"");
d85e1fc8 1292 if (os_snprintf_error(end - pos, res))
52eb293d 1293 return -1;
9c75e9fb
JM		 1294 if (wpa_config_set(ssid, "phase1", val, 0) < 0)
1295 return -1;
42f50264
JM		 1296 if (wpa_s->wps_fragment_size)
1297 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
fcc60db4
JM		 1298 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
1299 wpa_s, NULL);
91a65018 1300 wpas_wps_reassoc(wpa_s, ssid, bssid, 0);
fcc60db4
JM		 1301 return 0;
1302}
1303
1304
52177fbb
JM		 1305static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr,
1306 const u8 *p2p_dev_addr, const u8 *psk,
c5adf528
JM		 1307 size_t psk_len)
1308{
52177fbb
JM		 1309 if (is_zero_ether_addr(p2p_dev_addr)) {
1310 wpa_printf(MSG_DEBUG,
1311 "Received new WPA/WPA2-PSK from WPS for STA " MACSTR,
1312 MAC2STR(mac_addr));
1313 } else {
1314 wpa_printf(MSG_DEBUG,
1315 "Received new WPA/WPA2-PSK from WPS for STA " MACSTR
1316 " P2P Device Addr " MACSTR,
1317 MAC2STR(mac_addr), MAC2STR(p2p_dev_addr));
1318 }
c5adf528
JM		 1319 wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len);
1320
1321 /* TODO */
1322
1323 return 0;
1324}
1325
1326
1327static void wpas_wps_pin_needed_cb(void *ctx, const u8 *uuid_e,
1328 const struct wps_device_data *dev)
1329{
1330 char uuid[40], txt[400];
1331 int len;
96750ea5 1332 char devtype[WPS_DEV_TYPE_BUFSIZE];
c5adf528
JM		 1333 if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
1334 return;
1335 wpa_printf(MSG_DEBUG, "WPS: PIN needed for UUID-E %s", uuid);
1336 len = os_snprintf(txt, sizeof(txt), "WPS-EVENT-PIN-NEEDED %s " MACSTR
96750ea5 1337 " [%s|%s|%s|%s|%s|%s]",
c5adf528
JM		 1338 uuid, MAC2STR(dev->mac_addr), dev->device_name,
1339 dev->manufacturer, dev->model_name,
1340 dev->model_number, dev->serial_number,
96750ea5
JM		 1341 wps_dev_type_bin2str(dev->pri_dev_type, devtype,
1342 sizeof(devtype)));
a80ba67a 1343 if (!os_snprintf_error(sizeof(txt), len))
c5adf528
JM		 1344 wpa_printf(MSG_INFO, "%s", txt);
1345}
1346
1347
72df2f5f
JM		 1348static void wpas_wps_set_sel_reg_cb(void *ctx, int sel_reg, u16 dev_passwd_id,
1349 u16 sel_reg_config_methods)
1350{
1351#ifdef CONFIG_WPS_ER
1352 struct wpa_supplicant *wpa_s = ctx;
1353
1354 if (wpa_s->wps_er == NULL)
1355 return;
ad474118
JM		 1356 wpa_printf(MSG_DEBUG, "WPS ER: SetSelectedRegistrar - sel_reg=%d "
1357 "dev_password_id=%u sel_reg_config_methods=0x%x",
1358 sel_reg, dev_passwd_id, sel_reg_config_methods);
72df2f5f
JM		 1359 wps_er_set_sel_reg(wpa_s->wps_er, sel_reg, dev_passwd_id,
1360 sel_reg_config_methods);
1361#endif /* CONFIG_WPS_ER */
1362}
1363
1364
092acb54
JM		 1365static u16 wps_fix_config_methods(u16 config_methods)
1366{
092acb54
JM		 1367 if ((config_methods &
1368 (WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY |
1369 WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) {
1370 wpa_printf(MSG_INFO, "WPS: Converting display to "
1371 "virtual_display for WPS 2.0 compliance");
1372 config_methods |= WPS_CONFIG_VIRT_DISPLAY;
1373 }
1374 if ((config_methods &
1375 (WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_VIRT_PUSHBUTTON |
1376 WPS_CONFIG_PHY_PUSHBUTTON)) == WPS_CONFIG_PUSHBUTTON) {
1377 wpa_printf(MSG_INFO, "WPS: Converting push_button to "
1378 "virtual_push_button for WPS 2.0 compliance");
1379 config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON;
1380 }
092acb54
JM		 1381
1382 return config_methods;
1383}
1384
1385
85a821d6
JM		 1386static void wpas_wps_set_uuid(struct wpa_supplicant *wpa_s,
1387 struct wps_context *wps)
1388{
ef93abde
JM		 1389 char buf[50];
1390 const char *src;
1391
85a821d6
JM		 1392 if (is_nil_uuid(wpa_s->conf->uuid)) {
1393 struct wpa_supplicant *first;
1394 first = wpa_s->global->ifaces;
1395 while (first && first->next)
1396 first = first->next;
1397 if (first && first != wpa_s) {
157cdad5
BG		 1398 if (wps != wpa_s->global->ifaces->wps)
1399 os_memcpy(wps->uuid,
1400 wpa_s->global->ifaces->wps->uuid,
1401 WPS_UUID_LEN);
ef93abde 1402 src = "from the first interface";
85a821d6
JM		 1403 } else {
1404 uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid);
ef93abde 1405 src = "based on MAC address";
85a821d6
JM		 1406 }
1407 } else {
1408 os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
ef93abde 1409 src = "based on configuration";
85a821d6 1410 }
ef93abde
JM		 1411
1412 uuid_bin2str(wps->uuid, buf, sizeof(buf));
1413 wpa_dbg(wpa_s, MSG_DEBUG, "WPS: UUID %s: %s", src, buf);
85a821d6
JM		 1414}
1415
1416
71dd3b78
AS		 1417static void wpas_wps_set_vendor_ext_m1(struct wpa_supplicant *wpa_s,
1418 struct wps_context *wps)
1419{
1420 wpabuf_free(wps->dev.vendor_ext_m1);
1421 wps->dev.vendor_ext_m1 = NULL;
1422
1423 if (wpa_s->conf->wps_vendor_ext_m1) {
1424 wps->dev.vendor_ext_m1 =
1425 wpabuf_dup(wpa_s->conf->wps_vendor_ext_m1);
1426 if (!wps->dev.vendor_ext_m1) {
1427 wpa_printf(MSG_ERROR, "WPS: Cannot "
1428 "allocate memory for vendor_ext_m1");
1429 }
1430 }
1431}
1432
1433
116654ce
JM		 1434int wpas_wps_init(struct wpa_supplicant *wpa_s)
1435{
1436 struct wps_context *wps;
c5adf528 1437 struct wps_registrar_config rcfg;
6fb6d842 1438 struct hostapd_hw_modes *modes;
6bf731e8 1439 u16 m;
116654ce
JM		 1440
1441 wps = os_zalloc(sizeof(*wps));
1442 if (wps == NULL)
1443 return -1;
1444
1445 wps->cred_cb = wpa_supplicant_wps_cred;
4b68290e 1446 wps->event_cb = wpa_supplicant_wps_event;
239abaf2 1447 wps->rf_band_cb = wpa_supplicant_wps_rf_band;
116654ce
JM		 1448 wps->cb_ctx = wpa_s;
1449
3c0b7aa4
JM		 1450 wps->dev.device_name = wpa_s->conf->device_name;
1451 wps->dev.manufacturer = wpa_s->conf->manufacturer;
1452 wps->dev.model_name = wpa_s->conf->model_name;
1453 wps->dev.model_number = wpa_s->conf->model_number;
1454 wps->dev.serial_number = wpa_s->conf->serial_number;
c0e4dd9e
JM		 1455 wps->config_methods =
1456 wps_config_methods_str2bin(wpa_s->conf->config_methods);
979b988e
JM		 1457 if ((wps->config_methods & (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
1458 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
1459 wpa_printf(MSG_ERROR, "WPS: Both Label and Display config "
1460 "methods are not allowed at the same time");
1461 os_free(wps);
1462 return -1;
1463 }
092acb54 1464 wps->config_methods = wps_fix_config_methods(wps->config_methods);
a9355fac 1465 wps->dev.config_methods = wps->config_methods;
2f646b6e
JB		 1466 os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type,
1467 WPS_DEV_TYPE_LEN);
a9e86bfb 1468
2f646b6e
JB		 1469 wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
1470 os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type,
1471 WPS_DEV_TYPE_LEN * wps->dev.num_sec_dev_types);
a9e86bfb 1472
71dd3b78
AS		 1473 wpas_wps_set_vendor_ext_m1(wpa_s, wps);
1474
3c0b7aa4 1475 wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
6bf731e8 1476 modes = wpa_s->hw.modes;
6fb6d842 1477 if (modes) {
6bf731e8 1478 for (m = 0; m < wpa_s->hw.num_modes; m++) {
6fb6d842
BC		 1479 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B ||
1480 modes[m].mode == HOSTAPD_MODE_IEEE80211G)
1481 wps->dev.rf_bands |= WPS_RF_24GHZ;
1482 else if (modes[m].mode == HOSTAPD_MODE_IEEE80211A)
1483 wps->dev.rf_bands |= WPS_RF_50GHZ;
1484 }
6fb6d842
BC		 1485 }
1486 if (wps->dev.rf_bands == 0) {
1487 /*
1488 * Default to claiming support for both bands if the driver
1489 * does not provide support for fetching supported bands.
1490 */
1491 wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ;
1492 }
398cfbf6 1493 os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN);
85a821d6 1494 wpas_wps_set_uuid(wpa_s, wps);
116654ce 1495
c5adf528
JM		 1496 wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK;
1497 wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP;
1498
1499 os_memset(&rcfg, 0, sizeof(rcfg));
1500 rcfg.new_psk_cb = wpas_wps_new_psk_cb;
1501 rcfg.pin_needed_cb = wpas_wps_pin_needed_cb;
72df2f5f 1502 rcfg.set_sel_reg_cb = wpas_wps_set_sel_reg_cb;
c5adf528
JM		 1503 rcfg.cb_ctx = wpa_s;
1504
1505 wps->registrar = wps_registrar_init(wps, &rcfg);
1506 if (wps->registrar == NULL) {
1507 wpa_printf(MSG_DEBUG, "Failed to initialize WPS Registrar");
1508 os_free(wps);
1509 return -1;
1510 }
1511
116654ce
JM		 1512 wpa_s->wps = wps;
1513
1514 return 0;
1515}
1516
1517
50d1f890
JM		 1518#ifdef CONFIG_WPS_ER
1519static void wpas_wps_nfc_clear(struct wps_context *wps)
1520{
1521 wps->ap_nfc_dev_pw_id = 0;
1522 wpabuf_free(wps->ap_nfc_dh_pubkey);
1523 wps->ap_nfc_dh_pubkey = NULL;
1524 wpabuf_free(wps->ap_nfc_dh_privkey);
1525 wps->ap_nfc_dh_privkey = NULL;
1526 wpabuf_free(wps->ap_nfc_dev_pw);
1527 wps->ap_nfc_dev_pw = NULL;
1528}
1529#endif /* CONFIG_WPS_ER */
1530
1531
116654ce
JM		 1532void wpas_wps_deinit(struct wpa_supplicant *wpa_s)
1533{
150fd0b2 1534 wpas_wps_assoc_with_cred_cancel(wpa_s);
fcc60db4 1535 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
2e145e91 1536 eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL);
ec947ffc 1537 eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL);
f9f0526b 1538 wpas_wps_clear_ap_info(wpa_s);
fcc60db4 1539
fb2ac53d
AC		 1540#ifdef CONFIG_P2P
1541 eloop_cancel_timeout(wpas_p2p_pbc_overlap_cb, wpa_s, NULL);
1542#endif /* CONFIG_P2P */
1543
116654ce
JM		 1544 if (wpa_s->wps == NULL)
1545 return;
1546
a6b63078 1547#ifdef CONFIG_WPS_ER
1a1bf008 1548 wps_er_deinit(wpa_s->wps_er, NULL, NULL);
a6b63078 1549 wpa_s->wps_er = NULL;
50d1f890 1550 wpas_wps_nfc_clear(wpa_s->wps);
a6b63078
JM		 1551#endif /* CONFIG_WPS_ER */
1552
c5adf528 1553 wps_registrar_deinit(wpa_s->wps->registrar);
46bdb83a
MH		 1554 wpabuf_free(wpa_s->wps->dh_pubkey);
1555 wpabuf_free(wpa_s->wps->dh_privkey);
71dd3b78 1556 wpabuf_free(wpa_s->wps->dev.vendor_ext_m1);
116654ce
JM		 1557 os_free(wpa_s->wps->network_key);
1558 os_free(wpa_s->wps);
1559 wpa_s->wps = NULL;
1560}
351f09a2
JM		 1561
1562
a6099152 1563int wpas_wps_ssid_bss_match(struct wpa_supplicant *wpa_s,
620c7837 1564 struct wpa_ssid *ssid, struct wpa_bss *bss)
351f09a2
JM		 1565{
1566 struct wpabuf *wps_ie;
1567
1568 if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS))
1569 return -1;
1570
620c7837 1571 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
351f09a2
JM		 1572 if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
1573 if (!wps_ie) {
1574 wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
1575 return 0;
1576 }
1577
1578 if (!wps_is_selected_pbc_registrar(wps_ie)) {
1579 wpa_printf(MSG_DEBUG, " skip - WPS AP "
1580 "without active PBC Registrar");
1581 wpabuf_free(wps_ie);
1582 return 0;
1583 }
1584
1585 /* TODO: overlap detection */
1586 wpa_printf(MSG_DEBUG, " selected based on WPS IE "
1587 "(Active PBC)");
1588 wpabuf_free(wps_ie);
1589 return 1;
1590 }
1591
1592 if (eap_is_wps_pin_enrollee(&ssid->eap)) {
1593 if (!wps_ie) {
1594 wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
1595 return 0;
1596 }
1597
a6099152 1598 /*
31fcea93
JM		 1599 * Start with WPS APs that advertise our address as an
1600 * authorized MAC (v2.0) or active PIN Registrar (v1.0) and
1601 * allow any WPS AP after couple of scans since some APs do not
1602 * set Selected Registrar attribute properly when using
1603 * external Registrar.
a6099152 1604 */
31fcea93 1605 if (!wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1)) {
a6099152
JM		 1606 if (wpa_s->scan_runs < WPS_PIN_SCAN_IGNORE_SEL_REG) {
1607 wpa_printf(MSG_DEBUG, " skip - WPS AP "
1608 "without active PIN Registrar");
1609 wpabuf_free(wps_ie);
1610 return 0;
1611 }
1612 wpa_printf(MSG_DEBUG, " selected based on WPS IE");
1613 } else {
1614 wpa_printf(MSG_DEBUG, " selected based on WPS IE "
31fcea93 1615 "(Authorized MAC or Active PIN)");
351f09a2 1616 }
351f09a2
JM		 1617 wpabuf_free(wps_ie);
1618 return 1;
1619 }
1620
1621 if (wps_ie) {
1622 wpa_printf(MSG_DEBUG, " selected based on WPS IE");
1623 wpabuf_free(wps_ie);
1624 return 1;
1625 }
1626
1627 return -1;
1628}
1629
1630
a6099152
JM		 1631int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s,
1632 struct wpa_ssid *ssid,
620c7837 1633 struct wpa_bss *bss)
351f09a2
JM		 1634{
1635 struct wpabuf *wps_ie = NULL;
1636 int ret = 0;
1637
1638 if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
620c7837 1639 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
351f09a2
JM		 1640 if (wps_ie && wps_is_selected_pbc_registrar(wps_ie)) {
1641 /* allow wildcard SSID for WPS PBC */
1642 ret = 1;
1643 }
1644 } else if (eap_is_wps_pin_enrollee(&ssid->eap)) {
620c7837 1645 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
a6099152 1646 if (wps_ie &&
31fcea93 1647 (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1) ||
a6099152 1648 wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) {
351f09a2
JM		 1649 /* allow wildcard SSID for WPS PIN */
1650 ret = 1;
1651 }
1652 }
1653
24c23d1b
JM		 1654 if (!ret && ssid->bssid_set &&
1655 os_memcmp(ssid->bssid, bss->bssid, ETH_ALEN) == 0) {
1656 /* allow wildcard SSID due to hardcoded BSSID match */
1657 ret = 1;
1658 }
1659
54f489be
JM		 1660#ifdef CONFIG_WPS_STRICT
1661 if (wps_ie) {
1662 if (wps_validate_beacon_probe_resp(wps_ie, bss->beacon_ie_len >
ff28ccaf 1663 0, bss->bssid) < 0)
54f489be
JM		 1664 ret = 0;
1665 if (bss->beacon_ie_len) {
1666 struct wpabuf *bcn_wps;
620c7837 1667 bcn_wps = wpa_bss_get_vendor_ie_multi_beacon(
54f489be
JM		 1668 bss, WPS_IE_VENDOR_TYPE);
1669 if (bcn_wps == NULL) {
1670 wpa_printf(MSG_DEBUG, "WPS: Mandatory WPS IE "
1671 "missing from AP Beacon");
1672 ret = 0;
1673 } else {
1674 if (wps_validate_beacon(wps_ie) < 0)
1675 ret = 0;
1676 wpabuf_free(bcn_wps);
1677 }
1678 }
1679 }
1680#endif /* CONFIG_WPS_STRICT */
1681
351f09a2
JM		 1682 wpabuf_free(wps_ie);
1683
1684 return ret;
1685}
1686
1687
1688int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s,
6fa81a3b 1689 struct wpa_bss *selected, struct wpa_ssid *ssid)
351f09a2
JM		 1690{
1691 const u8 *sel_uuid, *uuid;
351f09a2
JM		 1692 struct wpabuf *wps_ie;
1693 int ret = 0;
6fa81a3b 1694 struct wpa_bss *bss;
351f09a2
JM		 1695
1696 if (!eap_is_wps_pbc_enrollee(&ssid->eap))
1697 return 0;
1698
9647120b
JM		 1699 wpa_printf(MSG_DEBUG, "WPS: Check whether PBC session overlap is "
1700 "present in scan results; selected BSSID " MACSTR,
1701 MAC2STR(selected->bssid));
1702
351f09a2 1703 /* Make sure that only one AP is in active PBC mode */
6fa81a3b 1704 wps_ie = wpa_bss_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE);
9647120b 1705 if (wps_ie) {
351f09a2 1706 sel_uuid = wps_get_uuid_e(wps_ie);
9647120b
JM		 1707 wpa_hexdump(MSG_DEBUG, "WPS: UUID of the selected BSS",
1708 sel_uuid, UUID_LEN);
1709 } else {
1710 wpa_printf(MSG_DEBUG, "WPS: Selected BSS does not include "
1711 "WPS IE?!");
351f09a2 1712 sel_uuid = NULL;
9647120b 1713 }
351f09a2 1714
6fa81a3b 1715 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
351f09a2
JM		 1716 struct wpabuf *ie;
1717 if (bss == selected)
1718 continue;
6fa81a3b 1719 ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
351f09a2
JM		 1720 if (!ie)
1721 continue;
1722 if (!wps_is_selected_pbc_registrar(ie)) {
1723 wpabuf_free(ie);
1724 continue;
1725 }
9647120b
JM		 1726 wpa_printf(MSG_DEBUG, "WPS: Another BSS in active PBC mode: "
1727 MACSTR, MAC2STR(bss->bssid));
351f09a2 1728 uuid = wps_get_uuid_e(ie);
9647120b
JM		 1729 wpa_hexdump(MSG_DEBUG, "WPS: UUID of the other BSS",
1730 uuid, UUID_LEN);
4a393fe9
JM		 1731 if (os_memcmp(selected->bssid, bss->bssid, ETH_ALEN) == 0) {
1732 wpabuf_free(ie);
1733 continue;
1734 }
44cd430f 1735 if (sel_uuid == NULL || uuid == NULL ||
9647120b 1736 os_memcmp(sel_uuid, uuid, UUID_LEN) != 0) {
351f09a2 1737 ret = 1; /* PBC overlap */
9647120b
JM		 1738 wpa_msg(wpa_s, MSG_INFO, "WPS: PBC overlap detected: "
1739 MACSTR " and " MACSTR,
1740 MAC2STR(selected->bssid),
1741 MAC2STR(bss->bssid));
351f09a2
JM		 1742 wpabuf_free(ie);
1743 break;
1744 }
1745
1746 /* TODO: verify that this is reasonable dual-band situation */
484957ae
JM		 1747
1748 wpabuf_free(ie);
351f09a2
JM		 1749 }
1750
1751 wpabuf_free(wps_ie);
1752
1753 return ret;
1754}
a524f05e
JM		 1755
1756
1757void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s)
1758{
6fa81a3b 1759 struct wpa_bss *bss;
6c6ad81f 1760 unsigned int pbc = 0, auth = 0, pin = 0, wps = 0;
a524f05e
JM		 1761
1762 if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED)
1763 return;
1764
6fa81a3b 1765 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
a524f05e 1766 struct wpabuf *ie;
6fa81a3b 1767 ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
a524f05e
JM		 1768 if (!ie)
1769 continue;
1770 if (wps_is_selected_pbc_registrar(ie))
6c6ad81f 1771 pbc++;
31fcea93 1772 else if (wps_is_addr_authorized(ie, wpa_s->own_addr, 0))
6c6ad81f 1773 auth++;
a524f05e 1774 else if (wps_is_selected_pin_registrar(ie))
6c6ad81f 1775 pin++;
a524f05e 1776 else
6c6ad81f 1777 wps++;
a524f05e 1778 wpabuf_free(ie);
a524f05e 1779 }
6c6ad81f
JM		 1780
1781 if (pbc)
1782 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PBC);
1783 else if (auth)
1784 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_AUTH);
1785 else if (pin)
1786 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PIN);
1787 else if (wps)
1788 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE);
a524f05e 1789}
24c23d1b
JM		 1790
1791
1792int wpas_wps_searching(struct wpa_supplicant *wpa_s)
1793{
1794 struct wpa_ssid *ssid;
1795
1796 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1797 if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && !ssid->disabled)
1798 return 1;
1799 }
1800
1801 return 0;
1802}
611ed491
JM		 1803
1804
1805int wpas_wps_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
1806 char *end)
1807{
1808 struct wpabuf *wps_ie;
1809 int ret;
1810
1811 wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len, WPS_DEV_OUI_WFA);
1812 if (wps_ie == NULL)
1813 return 0;
1814
1815 ret = wps_attr_text(wps_ie, buf, end);
1816 wpabuf_free(wps_ie);
1817 return ret;
1818}
e9bcfebf
JM		 1819
1820
08486685 1821int wpas_wps_er_start(struct wpa_supplicant *wpa_s, const char *filter)
e9bcfebf
JM		 1822{
1823#ifdef CONFIG_WPS_ER
1824 if (wpa_s->wps_er) {
b3f371ca 1825 wps_er_refresh(wpa_s->wps_er);
e9bcfebf
JM		 1826 return 0;
1827 }
08486685 1828 wpa_s->wps_er = wps_er_init(wpa_s->wps, wpa_s->ifname, filter);
e9bcfebf
JM		 1829 if (wpa_s->wps_er == NULL)
1830 return -1;
1831 return 0;
1832#else /* CONFIG_WPS_ER */
1833 return 0;
1834#endif /* CONFIG_WPS_ER */
1835}
1836
1837
f77cedc1 1838void wpas_wps_er_stop(struct wpa_supplicant *wpa_s)
e9bcfebf
JM		 1839{
1840#ifdef CONFIG_WPS_ER
1a1bf008 1841 wps_er_deinit(wpa_s->wps_er, NULL, NULL);
e9bcfebf
JM		 1842 wpa_s->wps_er = NULL;
1843#endif /* CONFIG_WPS_ER */
e9bcfebf 1844}
72df2f5f
JM		 1845
1846
1847#ifdef CONFIG_WPS_ER
31fcea93
JM		 1848int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const u8 *addr,
1849 const char *uuid, const char *pin)
72df2f5f
JM		 1850{
1851 u8 u[UUID_LEN];
e205401c
JM		 1852 const u8 *use_uuid = NULL;
1853 u8 addr_buf[ETH_ALEN];
72df2f5f 1854
e205401c
JM		 1855 if (os_strcmp(uuid, "any") == 0) {
1856 } else if (uuid_str2bin(uuid, u) == 0) {
1857 use_uuid = u;
1858 } else if (hwaddr_aton(uuid, addr_buf) == 0) {
1859 use_uuid = wps_er_get_sta_uuid(wpa_s->wps_er, addr_buf);
1860 if (use_uuid == NULL)
1861 return -1;
1862 } else
72df2f5f 1863 return -1;
31fcea93 1864 return wps_registrar_add_pin(wpa_s->wps->registrar, addr,
e205401c 1865 use_uuid,
72df2f5f
JM		 1866 (const u8 *) pin, os_strlen(pin), 300);
1867}
564cd7fa
JM		 1868
1869
1870int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid)
1871{
e205401c
JM		 1872 u8 u[UUID_LEN], *use_uuid = NULL;
1873 u8 addr[ETH_ALEN], *use_addr = NULL;
564cd7fa 1874
e205401c
JM		 1875 if (uuid_str2bin(uuid, u) == 0)
1876 use_uuid = u;
1877 else if (hwaddr_aton(uuid, addr) == 0)
1878 use_addr = addr;
1879 else
564cd7fa 1880 return -1;
e205401c 1881 return wps_er_pbc(wpa_s->wps_er, use_uuid, use_addr);
564cd7fa 1882}
e64dcfd5
JM		 1883
1884
1885int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid,
1886 const char *pin)
1887{
59307b30
JM		 1888 u8 u[UUID_LEN], *use_uuid = NULL;
1889 u8 addr[ETH_ALEN], *use_addr = NULL;
e64dcfd5 1890
59307b30
JM		 1891 if (uuid_str2bin(uuid, u) == 0)
1892 use_uuid = u;
1893 else if (hwaddr_aton(uuid, addr) == 0)
1894 use_addr = addr;
1895 else
e64dcfd5 1896 return -1;
59307b30
JM		 1897
1898 return wps_er_learn(wpa_s->wps_er, use_uuid, use_addr, (const u8 *) pin,
e64dcfd5
JM		 1899 os_strlen(pin));
1900}
1a1bf008
JM		 1901
1902
88c8bf31
JM		 1903static int wpas_wps_network_to_cred(struct wpa_ssid *ssid,
1904 struct wps_credential *cred)
1905{
1906 os_memset(cred, 0, sizeof(*cred));
1907 if (ssid->ssid_len > 32)
1908 return -1;
1909 os_memcpy(cred->ssid, ssid->ssid, ssid->ssid_len);
1910 cred->ssid_len = ssid->ssid_len;
1911 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) {
1912 cred->auth_type = (ssid->proto & WPA_PROTO_RSN) ?
1913 WPS_AUTH_WPA2PSK : WPS_AUTH_WPAPSK;
1914 if (ssid->pairwise_cipher & WPA_CIPHER_CCMP)
1915 cred->encr_type = WPS_ENCR_AES;
1916 else
1917 cred->encr_type = WPS_ENCR_TKIP;
1918 if (ssid->passphrase) {
1919 cred->key_len = os_strlen(ssid->passphrase);
1920 if (cred->key_len >= 64)
1921 return -1;
1922 os_memcpy(cred->key, ssid->passphrase, cred->key_len);
1923 } else if (ssid->psk_set) {
1924 cred->key_len = 32;
1925 os_memcpy(cred->key, ssid->psk, 32);
1926 } else
1927 return -1;
1928 } else {
1929 cred->auth_type = WPS_AUTH_OPEN;
1930 cred->encr_type = WPS_ENCR_NONE;
1931 }
1932
1933 return 0;
1934}
1935
1936
ef10f473
JM		 1937int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid,
1938 int id)
1939{
59307b30
JM		 1940 u8 u[UUID_LEN], *use_uuid = NULL;
1941 u8 addr[ETH_ALEN], *use_addr = NULL;
ef10f473
JM		 1942 struct wpa_ssid *ssid;
1943 struct wps_credential cred;
f42df144 1944 int ret;
ef10f473 1945
59307b30
JM		 1946 if (uuid_str2bin(uuid, u) == 0)
1947 use_uuid = u;
1948 else if (hwaddr_aton(uuid, addr) == 0)
1949 use_addr = addr;
1950 else
ef10f473
JM		 1951 return -1;
1952 ssid = wpa_config_get_network(wpa_s->conf, id);
1953 if (ssid == NULL || ssid->ssid == NULL)
1954 return -1;
1955
88c8bf31 1956 if (wpas_wps_network_to_cred(ssid, &cred) < 0)
ef10f473 1957 return -1;
f42df144
JM		 1958 ret = wps_er_set_config(wpa_s->wps_er, use_uuid, use_addr, &cred);
1959 os_memset(&cred, 0, sizeof(cred));
1960 return ret;
ef10f473
JM		 1961}
1962
1963
7d6640a6
JM		 1964int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid,
1965 const char *pin, struct wps_new_ap_settings *settings)
1966{
59307b30
JM		 1967 u8 u[UUID_LEN], *use_uuid = NULL;
1968 u8 addr[ETH_ALEN], *use_addr = NULL;
7d6640a6
JM		 1969 struct wps_credential cred;
1970 size_t len;
1971
59307b30
JM		 1972 if (uuid_str2bin(uuid, u) == 0)
1973 use_uuid = u;
1974 else if (hwaddr_aton(uuid, addr) == 0)
1975 use_addr = addr;
1976 else
7d6640a6
JM		 1977 return -1;
1978 if (settings->ssid_hex == NULL || settings->auth == NULL ||
1979 settings->encr == NULL || settings->key_hex == NULL)
1980 return -1;
1981
1982 os_memset(&cred, 0, sizeof(cred));
1983 len = os_strlen(settings->ssid_hex);
1984 if ((len & 1) || len > 2 * sizeof(cred.ssid) ||
1985 hexstr2bin(settings->ssid_hex, cred.ssid, len / 2))
1986 return -1;
1987 cred.ssid_len = len / 2;
1988
1989 len = os_strlen(settings->key_hex);
1990 if ((len & 1) || len > 2 * sizeof(cred.key) ||
1991 hexstr2bin(settings->key_hex, cred.key, len / 2))
1992 return -1;
1993 cred.key_len = len / 2;
1994
1995 if (os_strcmp(settings->auth, "OPEN") == 0)
1996 cred.auth_type = WPS_AUTH_OPEN;
1997 else if (os_strcmp(settings->auth, "WPAPSK") == 0)
1998 cred.auth_type = WPS_AUTH_WPAPSK;
1999 else if (os_strcmp(settings->auth, "WPA2PSK") == 0)
2000 cred.auth_type = WPS_AUTH_WPA2PSK;
2001 else
2002 return -1;
2003
2004 if (os_strcmp(settings->encr, "NONE") == 0)
2005 cred.encr_type = WPS_ENCR_NONE;
dc390043 2006#ifdef CONFIG_TESTING_OPTIONS
7d6640a6
JM		 2007 else if (os_strcmp(settings->encr, "WEP") == 0)
2008 cred.encr_type = WPS_ENCR_WEP;
dc390043 2009#endif /* CONFIG_TESTING_OPTIONS */
7d6640a6
JM		 2010 else if (os_strcmp(settings->encr, "TKIP") == 0)
2011 cred.encr_type = WPS_ENCR_TKIP;
2012 else if (os_strcmp(settings->encr, "CCMP") == 0)
2013 cred.encr_type = WPS_ENCR_AES;
2014 else
2015 return -1;
2016
59307b30
JM		 2017 return wps_er_config(wpa_s->wps_er, use_uuid, use_addr,
2018 (const u8 *) pin, os_strlen(pin), &cred);
7d6640a6
JM		 2019}
2020
2021
1cea09a9
JM		 2022#ifdef CONFIG_WPS_NFC
2023struct wpabuf * wpas_wps_er_nfc_config_token(struct wpa_supplicant *wpa_s,
2024 int ndef, const char *uuid)
2025{
2026 struct wpabuf *ret;
59307b30
JM		 2027 u8 u[UUID_LEN], *use_uuid = NULL;
2028 u8 addr[ETH_ALEN], *use_addr = NULL;
1cea09a9
JM		 2029
2030 if (!wpa_s->wps_er)
2031 return NULL;
2032
59307b30
JM		 2033 if (uuid_str2bin(uuid, u) == 0)
2034 use_uuid = u;
2035 else if (hwaddr_aton(uuid, addr) == 0)
2036 use_addr = addr;
2037 else
1cea09a9
JM		 2038 return NULL;
2039
59307b30 2040 ret = wps_er_nfc_config_token(wpa_s->wps_er, use_uuid, use_addr);
1cea09a9
JM		 2041 if (ndef && ret) {
2042 struct wpabuf *tmp;
2043 tmp = ndef_build_wifi(ret);
2044 wpabuf_free(ret);
2045 if (tmp == NULL)
2046 return NULL;
2047 ret = tmp;
2048 }
2049
2050 return ret;
2051}
2052#endif /* CONFIG_WPS_NFC */
2053
2054
4c9695be
BG		 2055static int callbacks_pending = 0;
2056
1a1bf008
JM		 2057static void wpas_wps_terminate_cb(void *ctx)
2058{
2059 wpa_printf(MSG_DEBUG, "WPS ER: Terminated");
4c9695be
BG		 2060 if (--callbacks_pending <= 0)
2061 eloop_terminate();
1a1bf008
JM		 2062}
2063#endif /* CONFIG_WPS_ER */
2064
2065
2066int wpas_wps_terminate_pending(struct wpa_supplicant *wpa_s)
2067{
2068#ifdef CONFIG_WPS_ER
2069 if (wpa_s->wps_er) {
4c9695be 2070 callbacks_pending++;
1a1bf008
JM		 2071 wps_er_deinit(wpa_s->wps_er, wpas_wps_terminate_cb, wpa_s);
2072 wpa_s->wps_er = NULL;
2073 return 1;
2074 }
72df2f5f 2075#endif /* CONFIG_WPS_ER */
1a1bf008
JM		 2076 return 0;
2077}
41e650ae
JM		 2078
2079
611aea7d
JM		 2080void wpas_wps_update_config(struct wpa_supplicant *wpa_s)
2081{
2082 struct wps_context *wps = wpa_s->wps;
2083
2084 if (wps == NULL)
2085 return;
2086
2087 if (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS) {
2088 wps->config_methods = wps_config_methods_str2bin(
2089 wpa_s->conf->config_methods);
2090 if ((wps->config_methods &
2091 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
2092 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
2093 wpa_printf(MSG_ERROR, "WPS: Both Label and Display "
2094 "config methods are not allowed at the "
2095 "same time");
2096 wps->config_methods &= ~WPS_CONFIG_LABEL;
2097 }
2098 }
092acb54 2099 wps->config_methods = wps_fix_config_methods(wps->config_methods);
c8b245b6 2100 wps->dev.config_methods = wps->config_methods;
611aea7d 2101
2f646b6e
JB		 2102 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE)
2103 os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type,
2104 WPS_DEV_TYPE_LEN);
611aea7d 2105
a9e86bfb 2106 if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) {
2f646b6e
JB		 2107 wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
2108 os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type,
2109 wps->dev.num_sec_dev_types * WPS_DEV_TYPE_LEN);
a9e86bfb
JMB		 2110 }
2111
71dd3b78
AS		 2112 if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION)
2113 wpas_wps_set_vendor_ext_m1(wpa_s, wps);
2114
611aea7d
JM		 2115 if (wpa_s->conf->changed_parameters & CFG_CHANGED_OS_VERSION)
2116 wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
2117
85a821d6
JM		 2118 if (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID)
2119 wpas_wps_set_uuid(wpa_s, wps);
dcf788d1 2120
1c9cb49f
JM		 2121 if (wpa_s->conf->changed_parameters &
2122 (CFG_CHANGED_DEVICE_NAME | CFG_CHANGED_WPS_STRING)) {
dcf788d1
JM		 2123 /* Update pointers to make sure they refer current values */
2124 wps->dev.device_name = wpa_s->conf->device_name;
2125 wps->dev.manufacturer = wpa_s->conf->manufacturer;
2126 wps->dev.model_name = wpa_s->conf->model_name;
2127 wps->dev.model_number = wpa_s->conf->model_number;
2128 wps->dev.serial_number = wpa_s->conf->serial_number;
2129 }
611aea7d 2130}
3f2c8ba6
JM		 2131
2132
2133#ifdef CONFIG_WPS_NFC
2134
88c8bf31
JM		 2135#ifdef CONFIG_WPS_ER
2136static struct wpabuf *
2137wpas_wps_network_config_token(struct wpa_supplicant *wpa_s, int ndef,
2138 struct wpa_ssid *ssid)
2139{
2140 struct wpabuf *ret;
2141 struct wps_credential cred;
2142
2143 if (wpas_wps_network_to_cred(ssid, &cred) < 0)
2144 return NULL;
2145
2146 ret = wps_er_config_token_from_cred(wpa_s->wps, &cred);
2147
2148 if (ndef && ret) {
2149 struct wpabuf *tmp;
2150 tmp = ndef_build_wifi(ret);
2151 wpabuf_free(ret);
2152 if (tmp == NULL)
2153 return NULL;
2154 ret = tmp;
2155 }
2156
2157 return ret;
2158}
2159#endif /* CONFIG_WPS_ER */
2160
2161
bbf41865 2162struct wpabuf * wpas_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
88c8bf31 2163 int ndef, const char *id_str)
bbf41865 2164{
88c8bf31
JM		 2165#ifdef CONFIG_WPS_ER
2166 if (id_str) {
2167 int id;
2168 char *end = NULL;
2169 struct wpa_ssid *ssid;
2170
2171 id = strtol(id_str, &end, 10);
2172 if (end && *end)
2173 return NULL;
2174
2175 ssid = wpa_config_get_network(wpa_s->conf, id);
2176 if (ssid == NULL)
2177 return NULL;
2178 return wpas_wps_network_config_token(wpa_s, ndef, ssid);
2179 }
2180#endif /* CONFIG_WPS_ER */
bbf41865
JM		 2181#ifdef CONFIG_AP
2182 if (wpa_s->ap_iface)
2183 return wpas_ap_wps_nfc_config_token(wpa_s, ndef);
2184#endif /* CONFIG_AP */
2185 return NULL;
2186}
2187
2188
3f2c8ba6
JM		 2189struct wpabuf * wpas_wps_nfc_token(struct wpa_supplicant *wpa_s, int ndef)
2190{
042ec551
JM		 2191 if (wpa_s->conf->wps_nfc_pw_from_config) {
2192 return wps_nfc_token_build(ndef,
2193 wpa_s->conf->wps_nfc_dev_pw_id,
2194 wpa_s->conf->wps_nfc_dh_pubkey,
2195 wpa_s->conf->wps_nfc_dev_pw);
2196 }
2197
bfc62fe1
JM		 2198 return wps_nfc_token_gen(ndef, &wpa_s->conf->wps_nfc_dev_pw_id,
2199 &wpa_s->conf->wps_nfc_dh_pubkey,
2200 &wpa_s->conf->wps_nfc_dh_privkey,
2201 &wpa_s->conf->wps_nfc_dev_pw);
3f2c8ba6
JM		 2202}
2203
2204
23318bea
JM		 2205int wpas_wps_start_nfc(struct wpa_supplicant *wpa_s, const u8 *go_dev_addr,
2206 const u8 *bssid,
5f454557 2207 const struct wpabuf *dev_pw, u16 dev_pw_id,
57630e65 2208 int p2p_group, const u8 *peer_pubkey_hash,
91a65018 2209 const u8 *ssid, size_t ssid_len, int freq)
3f2c8ba6
JM		 2210{
2211 struct wps_context *wps = wpa_s->wps;
2212 char pw[32 * 2 + 1];
2213
fa4c2988 2214 if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER && dev_pw == NULL) {
5f454557
JM		 2215 dev_pw = wpa_s->conf->wps_nfc_dev_pw;
2216 dev_pw_id = wpa_s->conf->wps_nfc_dev_pw_id;
2217 }
2218
3f2c8ba6 2219 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL ||
fa4c2988
JM		 2220 wpa_s->conf->wps_nfc_dh_privkey == NULL) {
2221 wpa_printf(MSG_DEBUG, "WPS: Missing DH params - "
2222 "cannot start NFC-triggered connection");
2223 return -1;
2224 }
2225
2226 if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER && dev_pw == NULL) {
2227 wpa_printf(MSG_DEBUG, "WPS: Missing Device Password (id=%u) - "
2228 "cannot start NFC-triggered connection", dev_pw_id);
3f2c8ba6 2229 return -1;
fa4c2988 2230 }
3f2c8ba6
JM		 2231
2232 dh5_free(wps->dh_ctx);
2233 wpabuf_free(wps->dh_pubkey);
2234 wpabuf_free(wps->dh_privkey);
2235 wps->dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey);
2236 wps->dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey);
2237 if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
2238 wps->dh_ctx = NULL;
2239 wpabuf_free(wps->dh_pubkey);
2240 wps->dh_pubkey = NULL;
2241 wpabuf_free(wps->dh_privkey);
2242 wps->dh_privkey = NULL;
fa4c2988 2243 wpa_printf(MSG_DEBUG, "WPS: Failed to get DH priv/pub key");
3f2c8ba6
JM		 2244 return -1;
2245 }
2246 wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
5c9d63d4
JM		 2247 if (wps->dh_ctx == NULL) {
2248 wpabuf_free(wps->dh_pubkey);
2249 wps->dh_pubkey = NULL;
2250 wpabuf_free(wps->dh_privkey);
2251 wps->dh_privkey = NULL;
fa4c2988 2252 wpa_printf(MSG_DEBUG, "WPS: Failed to initialize DH context");
3f2c8ba6 2253 return -1;
5c9d63d4 2254 }
3f2c8ba6 2255
fa4c2988
JM		 2256 if (dev_pw) {
2257 wpa_snprintf_hex_uppercase(pw, sizeof(pw),
2258 wpabuf_head(dev_pw),
2259 wpabuf_len(dev_pw));
2260 }
23318bea
JM		 2261 return wpas_wps_start_dev_pw(wpa_s, go_dev_addr, bssid,
2262 dev_pw ? pw : NULL,
fa4c2988 2263 p2p_group, dev_pw_id, peer_pubkey_hash,
91a65018 2264 ssid, ssid_len, freq);
3f2c8ba6
JM		 2265}
2266
d7645d23
JM		 2267
2268static int wpas_wps_use_cred(struct wpa_supplicant *wpa_s,
2269 struct wps_parse_attr *attr)
2270{
170f5663
JM		 2271 /*
2272 * Disable existing networks temporarily to allow the newly learned
2273 * credential to be preferred. Enable the temporarily disabled networks
2274 * after 10 seconds.
2275 */
2276 wpas_wps_temp_disable(wpa_s, NULL);
2277 eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s,
2278 NULL);
2279
d7645d23
JM		 2280 if (wps_oob_use_cred(wpa_s->wps, attr) < 0)
2281 return -1;
2282
2283 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
2284 return 0;
2285
0b5ff2ae
JM		 2286 if (attr->ap_channel) {
2287 u16 chan = WPA_GET_BE16(attr->ap_channel);
bd3a3737
JM		 2288 int freq = 0;
2289
2290 if (chan >= 1 && chan <= 13)
2291 freq = 2407 + 5 * chan;
2292 else if (chan == 14)
2293 freq = 2484;
2294 else if (chan >= 30)
2295 freq = 5000 + 5 * chan;
2296
2297 if (freq) {
0b5ff2ae
JM		 2298 wpa_printf(MSG_DEBUG, "WPS: Credential container indicated AP channel %u -> %u MHz",
2299 chan, freq);
bd3a3737
JM		 2300 wpa_s->after_wps = 5;
2301 wpa_s->wps_freq = freq;
2302 }
2303 }
0b5ff2ae
JM		 2304
2305 wpa_printf(MSG_DEBUG, "WPS: Request reconnection with new network "
2306 "based on the received credential added");
2307 wpa_s->normal_scans = 0;
2308 wpa_supplicant_reinit_autoscan(wpa_s);
d7645d23
JM		 2309 wpa_s->disconnected = 0;
2310 wpa_s->reassociate = 1;
7e910b7b
JJ		 2311
2312 wpa_supplicant_cancel_sched_scan(wpa_s);
d7645d23
JM		 2313 wpa_supplicant_req_scan(wpa_s, 0, 0);
2314
2315 return 0;
2316}
2317
2318
6df865fa 2319#ifdef CONFIG_WPS_ER
e6ea2a45
JM		 2320static int wpas_wps_add_nfc_password_token(struct wpa_supplicant *wpa_s,
2321 struct wps_parse_attr *attr)
2322{
e6ea2a45
JM		 2323 return wps_registrar_add_nfc_password_token(
2324 wpa_s->wps->registrar, attr->oob_dev_password,
2325 attr->oob_dev_password_len);
2326}
6df865fa 2327#endif /* CONFIG_WPS_ER */
e6ea2a45
JM		 2328
2329
d7645d23
JM		 2330static int wpas_wps_nfc_tag_process(struct wpa_supplicant *wpa_s,
2331 const struct wpabuf *wps)
2332{
2333 struct wps_parse_attr attr;
2334
2335 wpa_hexdump_buf(MSG_DEBUG, "WPS: Received NFC tag payload", wps);
2336
2337 if (wps_parse_msg(wps, &attr)) {
2338 wpa_printf(MSG_DEBUG, "WPS: Ignore invalid data from NFC tag");
2339 return -1;
2340 }
2341
2342 if (attr.num_cred)
2343 return wpas_wps_use_cred(wpa_s, &attr);
2344
e6ea2a45
JM		 2345#ifdef CONFIG_WPS_ER
2346 if (attr.oob_dev_password)
2347 return wpas_wps_add_nfc_password_token(wpa_s, &attr);
2348#endif /* CONFIG_WPS_ER */
2349
d7645d23
JM		 2350 wpa_printf(MSG_DEBUG, "WPS: Ignore unrecognized NFC tag");
2351 return -1;
2352}
2353
2354
2355int wpas_wps_nfc_tag_read(struct wpa_supplicant *wpa_s,
b56f6c88 2356 const struct wpabuf *data, int forced_freq)
d7645d23
JM		 2357{
2358 const struct wpabuf *wps = data;
2359 struct wpabuf *tmp = NULL;
2360 int ret;
2361
2362 if (wpabuf_len(data) < 4)
2363 return -1;
2364
2365 if (*wpabuf_head_u8(data) != 0x10) {
2366 /* Assume this contains full NDEF record */
2367 tmp = ndef_parse_wifi(data);
2368 if (tmp == NULL) {
dd37a938
JM		 2369#ifdef CONFIG_P2P
2370 tmp = ndef_parse_p2p(data);
2371 if (tmp) {
b56f6c88
JM		 2372 ret = wpas_p2p_nfc_tag_process(wpa_s, tmp,
2373 forced_freq);
dd37a938
JM		 2374 wpabuf_free(tmp);
2375 return ret;
2376 }
2377#endif /* CONFIG_P2P */
d7645d23
JM		 2378 wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF");
2379 return -1;
2380 }
2381 wps = tmp;
2382 }
2383
2384 ret = wpas_wps_nfc_tag_process(wpa_s, wps);
2385 wpabuf_free(tmp);
2386 return ret;
2387}
2388
e65552dd 2389
41f9ffb6
JM		 2390struct wpabuf * wpas_wps_nfc_handover_req(struct wpa_supplicant *wpa_s,
2391 int ndef)
e65552dd 2392{
41f9ffb6
JM		 2393 struct wpabuf *ret;
2394
2395 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL &&
2396 wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey,
2397 &wpa_s->conf->wps_nfc_dh_privkey) < 0)
2398 return NULL;
2399
2400 ret = wps_build_nfc_handover_req(wpa_s->wps,
2401 wpa_s->conf->wps_nfc_dh_pubkey);
2402
2403 if (ndef && ret) {
2404 struct wpabuf *tmp;
2405 tmp = ndef_build_wifi(ret);
2406 wpabuf_free(ret);
2407 if (tmp == NULL)
2408 return NULL;
2409 ret = tmp;
2410 }
2411
2412 return ret;
e65552dd
JM		 2413}
2414
2415
f3f2ba2e 2416#ifdef CONFIG_WPS_NFC
50d1f890 2417
c5838683
JM		 2418static struct wpabuf *
2419wpas_wps_er_nfc_handover_sel(struct wpa_supplicant *wpa_s, int ndef,
2420 const char *uuid)
f3f2ba2e 2421{
94d7acf3 2422#ifdef CONFIG_WPS_ER
f3f2ba2e 2423 struct wpabuf *ret;
59307b30
JM		 2424 u8 u[UUID_LEN], *use_uuid = NULL;
2425 u8 addr[ETH_ALEN], *use_addr = NULL;
d4b4d7fe 2426 struct wps_context *wps = wpa_s->wps;
f3f2ba2e 2427
d4b4d7fe 2428 if (wps == NULL)
f3f2ba2e
JM		 2429 return NULL;
2430
59307b30
JM		 2431 if (uuid == NULL)
2432 return NULL;
2433 if (uuid_str2bin(uuid, u) == 0)
2434 use_uuid = u;
2435 else if (hwaddr_aton(uuid, addr) == 0)
2436 use_addr = addr;
2437 else
f3f2ba2e
JM		 2438 return NULL;
2439
50d1f890 2440 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL) {
50d1f890
JM		 2441 if (wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey,
2442 &wpa_s->conf->wps_nfc_dh_privkey) < 0)
2443 return NULL;
d4b4d7fe 2444 }
50d1f890 2445
d4b4d7fe
JM		 2446 wpas_wps_nfc_clear(wps);
2447 wps->ap_nfc_dev_pw_id = DEV_PW_NFC_CONNECTION_HANDOVER;
2448 wps->ap_nfc_dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey);
2449 wps->ap_nfc_dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey);
2450 if (!wps->ap_nfc_dh_pubkey || !wps->ap_nfc_dh_privkey) {
50d1f890 2451 wpas_wps_nfc_clear(wps);
d4b4d7fe 2452 return NULL;
50d1f890
JM		 2453 }
2454
2455 ret = wps_er_nfc_handover_sel(wpa_s->wps_er, wpa_s->wps, use_uuid,
2456 use_addr, wpa_s->conf->wps_nfc_dh_pubkey);
f3f2ba2e
JM		 2457 if (ndef && ret) {
2458 struct wpabuf *tmp;
2459 tmp = ndef_build_wifi(ret);
2460 wpabuf_free(ret);
2461 if (tmp == NULL)
2462 return NULL;
2463 ret = tmp;
2464 }
2465
2466 return ret;
94d7acf3
JM		 2467#else /* CONFIG_WPS_ER */
2468 return NULL;
2469#endif /* CONFIG_WPS_ER */
f3f2ba2e
JM		 2470}
2471#endif /* CONFIG_WPS_NFC */
2472
2473
5ab9a6a5 2474struct wpabuf * wpas_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
f3f2ba2e 2475 int ndef, int cr, const char *uuid)
e65552dd 2476{
f3f2ba2e 2477 struct wpabuf *ret;
5ab9a6a5
JM		 2478 if (!cr)
2479 return NULL;
f3f2ba2e
JM		 2480 ret = wpas_ap_wps_nfc_handover_sel(wpa_s, ndef);
2481 if (ret)
2482 return ret;
2483 return wpas_wps_er_nfc_handover_sel(wpa_s, ndef, uuid);
e65552dd
JM		 2484}
2485
2486
679f2e7c
JM		 2487static int wpas_wps_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
2488 const struct wpabuf *data)
e65552dd
JM		 2489{
2490 struct wpabuf *wps;
fa4c2988
JM		 2491 int ret = -1;
2492 u16 wsc_len;
2493 const u8 *pos;
2494 struct wpabuf msg;
2495 struct wps_parse_attr attr;
2496 u16 dev_pw_id;
91a65018
JM		 2497 const u8 *bssid = NULL;
2498 int freq = 0;
e65552dd
JM		 2499
2500 wps = ndef_parse_wifi(data);
2501 if (wps == NULL)
2502 return -1;
2503 wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc "
2504 "payload from NFC connection handover");
fa4c2988
JM		 2505 wpa_hexdump_buf(MSG_DEBUG, "WPS: NFC payload", wps);
2506 if (wpabuf_len(wps) < 2) {
2507 wpa_printf(MSG_DEBUG, "WPS: Too short Wi-Fi Handover Select "
2508 "Message");
2509 goto out;
2510 }
2511 pos = wpabuf_head(wps);
2512 wsc_len = WPA_GET_BE16(pos);
2513 if (wsc_len > wpabuf_len(wps) - 2) {
2514 wpa_printf(MSG_DEBUG, "WPS: Invalid WSC attribute length (%u) "
2515 "in Wi-Fi Handover Select Message", wsc_len);
2516 goto out;
2517 }
2518 pos += 2;
2519
2520 wpa_hexdump(MSG_DEBUG,
2521 "WPS: WSC attributes in Wi-Fi Handover Select Message",
2522 pos, wsc_len);
2523 if (wsc_len < wpabuf_len(wps) - 2) {
2524 wpa_hexdump(MSG_DEBUG,
2525 "WPS: Ignore extra data after WSC attributes",
2526 pos + wsc_len, wpabuf_len(wps) - 2 - wsc_len);
2527 }
2528
2529 wpabuf_set(&msg, pos, wsc_len);
2530 ret = wps_parse_msg(&msg, &attr);
2531 if (ret < 0) {
2532 wpa_printf(MSG_DEBUG, "WPS: Could not parse WSC attributes in "
2533 "Wi-Fi Handover Select Message");
2534 goto out;
2535 }
2536
2537 if (attr.oob_dev_password == NULL ||
2538 attr.oob_dev_password_len < WPS_OOB_PUBKEY_HASH_LEN + 2) {
2539 wpa_printf(MSG_DEBUG, "WPS: No Out-of-Band Device Password "
2540 "included in Wi-Fi Handover Select Message");
2541 ret = -1;
2542 goto out;
2543 }
2544
2545 if (attr.ssid == NULL) {
2546 wpa_printf(MSG_DEBUG, "WPS: No SSID included in Wi-Fi Handover "
2547 "Select Message");
2548 ret = -1;
2549 goto out;
2550 }
2551
2552 wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", attr.ssid, attr.ssid_len);
2553
91a65018
JM		 2554 if (attr.mac_addr) {
2555 bssid = attr.mac_addr;
2556 wpa_printf(MSG_DEBUG, "WPS: MAC Address (BSSID): " MACSTR,
2557 MAC2STR(bssid));
2558 }
2559
2560 if (attr.rf_bands)
2561 wpa_printf(MSG_DEBUG, "WPS: RF Bands: %d", *attr.rf_bands);
2562
2563 if (attr.ap_channel) {
2564 u16 chan = WPA_GET_BE16(attr.ap_channel);
2565
2566 wpa_printf(MSG_DEBUG, "WPS: AP Channel: %d", chan);
2567
2568 if (chan >= 1 && chan <= 13 &&
2569 (attr.rf_bands == NULL || *attr.rf_bands & WPS_RF_24GHZ))
2570 freq = 2407 + 5 * chan;
2571 else if (chan == 14 &&
2572 (attr.rf_bands == NULL ||
2573 *attr.rf_bands & WPS_RF_24GHZ))
2574 freq = 2484;
2575 else if (chan >= 30 &&
2576 (attr.rf_bands == NULL ||
2577 *attr.rf_bands & WPS_RF_50GHZ))
2578 freq = 5000 + 5 * chan;
2579
2580 if (freq) {
2581 wpa_printf(MSG_DEBUG,
2582 "WPS: AP indicated channel %u -> %u MHz",
2583 chan, freq);
2584 }
2585 }
2586
fa4c2988
JM		 2587 wpa_hexdump(MSG_DEBUG, "WPS: Out-of-Band Device Password",
2588 attr.oob_dev_password, attr.oob_dev_password_len);
2589 dev_pw_id = WPA_GET_BE16(attr.oob_dev_password +
2590 WPS_OOB_PUBKEY_HASH_LEN);
2591 if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER) {
2592 wpa_printf(MSG_DEBUG, "WPS: Unexpected OOB Device Password ID "
2593 "%u in Wi-Fi Handover Select Message", dev_pw_id);
2594 ret = -1;
2595 goto out;
2596 }
2597 wpa_hexdump(MSG_DEBUG, "WPS: AP Public Key hash",
2598 attr.oob_dev_password, WPS_OOB_PUBKEY_HASH_LEN);
2599
91a65018 2600 ret = wpas_wps_start_nfc(wpa_s, NULL, bssid, NULL, dev_pw_id, 0,
fa4c2988 2601 attr.oob_dev_password,
91a65018 2602 attr.ssid, attr.ssid_len, freq);
fa4c2988
JM		 2603
2604out:
e65552dd 2605 wpabuf_free(wps);
e65552dd
JM		 2606 return ret;
2607}
2608
e4758827
JM		 2609
2610int wpas_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
2611 const struct wpabuf *req,
2612 const struct wpabuf *sel)
2613{
2614 wpa_printf(MSG_DEBUG, "NFC: WPS connection handover reported");
2615 wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in request", req);
2616 wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in select", sel);
2617 return wpas_wps_nfc_rx_handover_sel(wpa_s, sel);
2618}
2619
50d1f890
JM		 2620
2621int wpas_er_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
2622 const struct wpabuf *req,
2623 const struct wpabuf *sel)
2624{
2625 struct wpabuf *wps;
2626 int ret = -1;
2627 u16 wsc_len;
2628 const u8 *pos;
2629 struct wpabuf msg;
2630 struct wps_parse_attr attr;
2631 u16 dev_pw_id;
2632
2633 /*
2634 * Enrollee/station is always initiator of the NFC connection handover,
2635 * so use the request message here to find Enrollee public key hash.
2636 */
2637 wps = ndef_parse_wifi(req);
2638 if (wps == NULL)
2639 return -1;
2640 wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc "
2641 "payload from NFC connection handover");
2642 wpa_hexdump_buf(MSG_DEBUG, "WPS: NFC payload", wps);
2643 if (wpabuf_len(wps) < 2) {
2644 wpa_printf(MSG_DEBUG, "WPS: Too short Wi-Fi Handover Request "
2645 "Message");
2646 goto out;
2647 }
2648 pos = wpabuf_head(wps);
2649 wsc_len = WPA_GET_BE16(pos);
2650 if (wsc_len > wpabuf_len(wps) - 2) {
2651 wpa_printf(MSG_DEBUG, "WPS: Invalid WSC attribute length (%u) "
2652 "in rt Wi-Fi Handover Request Message", wsc_len);
2653 goto out;
2654 }
2655 pos += 2;
2656
2657 wpa_hexdump(MSG_DEBUG,
2658 "WPS: WSC attributes in Wi-Fi Handover Request Message",
2659 pos, wsc_len);
2660 if (wsc_len < wpabuf_len(wps) - 2) {
2661 wpa_hexdump(MSG_DEBUG,
2662 "WPS: Ignore extra data after WSC attributes",
2663 pos + wsc_len, wpabuf_len(wps) - 2 - wsc_len);
2664 }
2665
2666 wpabuf_set(&msg, pos, wsc_len);
2667 ret = wps_parse_msg(&msg, &attr);
2668 if (ret < 0) {
2669 wpa_printf(MSG_DEBUG, "WPS: Could not parse WSC attributes in "
2670 "Wi-Fi Handover Request Message");
2671 goto out;
2672 }
2673
2674 if (attr.oob_dev_password == NULL ||
2675 attr.oob_dev_password_len < WPS_OOB_PUBKEY_HASH_LEN + 2) {
2676 wpa_printf(MSG_DEBUG, "WPS: No Out-of-Band Device Password "
2677 "included in Wi-Fi Handover Request Message");
2678 ret = -1;
2679 goto out;
2680 }
2681
2682 if (attr.uuid_e == NULL) {
2683 wpa_printf(MSG_DEBUG, "WPS: No UUID-E included in Wi-Fi "
2684 "Handover Request Message");
2685 ret = -1;
2686 goto out;
2687 }
2688
2689 wpa_hexdump(MSG_DEBUG, "WPS: UUID-E", attr.uuid_e, WPS_UUID_LEN);
2690
2691 wpa_hexdump(MSG_DEBUG, "WPS: Out-of-Band Device Password",
2692 attr.oob_dev_password, attr.oob_dev_password_len);
2693 dev_pw_id = WPA_GET_BE16(attr.oob_dev_password +
2694 WPS_OOB_PUBKEY_HASH_LEN);
2695 if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER) {
2696 wpa_printf(MSG_DEBUG, "WPS: Unexpected OOB Device Password ID "
2697 "%u in Wi-Fi Handover Request Message", dev_pw_id);
2698 ret = -1;
2699 goto out;
2700 }
2701 wpa_hexdump(MSG_DEBUG, "WPS: Enrollee Public Key hash",
2702 attr.oob_dev_password, WPS_OOB_PUBKEY_HASH_LEN);
2703
2704 ret = wps_registrar_add_nfc_pw_token(wpa_s->wps->registrar,
2705 attr.oob_dev_password,
2706 DEV_PW_NFC_CONNECTION_HANDOVER,
2707 NULL, 0, 1);
2708
2709out:
2710 wpabuf_free(wps);
2711 return ret;
2712}
2713
3f2c8ba6 2714#endif /* CONFIG_WPS_NFC */
f9f0526b
JM		 2715
2716
f9f0526b
JM		 2717static void wpas_wps_dump_ap_info(struct wpa_supplicant *wpa_s)
2718{
2719 size_t i;
51bffab1 2720 struct os_reltime now;
f9f0526b
JM		 2721
2722 if (wpa_debug_level > MSG_DEBUG)
2723 return;
2724
2725 if (wpa_s->wps_ap == NULL)
2726 return;
2727
51bffab1 2728 os_get_reltime(&now);
f9f0526b
JM		 2729
2730 for (i = 0; i < wpa_s->num_wps_ap; i++) {
2731 struct wps_ap_info *ap = &wpa_s->wps_ap[i];
2732 struct wpa_blacklist *e = wpa_blacklist_get(wpa_s, ap->bssid);
2733
2734 wpa_printf(MSG_DEBUG, "WPS: AP[%d] " MACSTR " type=%d "
2735 "tries=%d last_attempt=%d sec ago blacklist=%d",
2736 (int) i, MAC2STR(ap->bssid), ap->type, ap->tries,
2737 ap->last_attempt.sec > 0 ?
2738 (int) now.sec - (int) ap->last_attempt.sec : -1,
2739 e ? e->count : 0);
2740 }
2741}
2742
2743
2744static struct wps_ap_info * wpas_wps_get_ap_info(struct wpa_supplicant *wpa_s,
2745 const u8 *bssid)
2746{
2747 size_t i;
2748
2749 if (wpa_s->wps_ap == NULL)
2750 return NULL;
2751
2752 for (i = 0; i < wpa_s->num_wps_ap; i++) {
2753 struct wps_ap_info *ap = &wpa_s->wps_ap[i];
2754 if (os_memcmp(ap->bssid, bssid, ETH_ALEN) == 0)
2755 return ap;
2756 }
2757
2758 return NULL;
2759}
2760
2761
2762static void wpas_wps_update_ap_info_bss(struct wpa_supplicant *wpa_s,
2763 struct wpa_scan_res *res)
2764{
2765 struct wpabuf *wps;
2766 enum wps_ap_info_type type;
2767 struct wps_ap_info *ap;
2768 int r;
2769
2770 if (wpa_scan_get_vendor_ie(res, WPS_IE_VENDOR_TYPE) == NULL)
2771 return;
2772
2773 wps = wpa_scan_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE);
2774 if (wps == NULL)
2775 return;
2776
2777 r = wps_is_addr_authorized(wps, wpa_s->own_addr, 1);
2778 if (r == 2)
2779 type = WPS_AP_SEL_REG_OUR;
2780 else if (r == 1)
2781 type = WPS_AP_SEL_REG;
2782 else
2783 type = WPS_AP_NOT_SEL_REG;
2784
2785 wpabuf_free(wps);
2786
2787 ap = wpas_wps_get_ap_info(wpa_s, res->bssid);
2788 if (ap) {
2789 if (ap->type != type) {
2790 wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR
2791 " changed type %d -> %d",
2792 MAC2STR(res->bssid), ap->type, type);
2793 ap->type = type;
a462036a
JM		 2794 if (type != WPS_AP_NOT_SEL_REG)
2795 wpa_blacklist_del(wpa_s, ap->bssid);
f9f0526b
JM		 2796 }
2797 return;
2798 }
2799
2800 ap = os_realloc_array(wpa_s->wps_ap, wpa_s->num_wps_ap + 1,
2801 sizeof(struct wps_ap_info));
2802 if (ap == NULL)
2803 return;
2804
2805 wpa_s->wps_ap = ap;
2806 ap = &wpa_s->wps_ap[wpa_s->num_wps_ap];
2807 wpa_s->num_wps_ap++;
2808
2809 os_memset(ap, 0, sizeof(*ap));
2810 os_memcpy(ap->bssid, res->bssid, ETH_ALEN);
2811 ap->type = type;
2812 wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR " type %d added",
2813 MAC2STR(ap->bssid), ap->type);
2814}
2815
2816
2817void wpas_wps_update_ap_info(struct wpa_supplicant *wpa_s,
2818 struct wpa_scan_results *scan_res)
2819{
2820 size_t i;
2821
2822 for (i = 0; i < scan_res->num; i++)
2823 wpas_wps_update_ap_info_bss(wpa_s, scan_res->res[i]);
2824
2825 wpas_wps_dump_ap_info(wpa_s);
2826}
2827
2828
2829void wpas_wps_notify_assoc(struct wpa_supplicant *wpa_s, const u8 *bssid)
2830{
2831 struct wps_ap_info *ap;
7255983b
JM		 2832
2833 wpa_s->after_wps = 0;
2834
f9f0526b
JM		 2835 if (!wpa_s->wps_ap_iter)
2836 return;
2837 ap = wpas_wps_get_ap_info(wpa_s, bssid);
2838 if (ap == NULL)
2839 return;
2840 ap->tries++;
51bffab1 2841 os_get_reltime(&ap->last_attempt);
f9f0526b 2842}
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