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Jouni Malinenfa201b62008-11-28 19:46:22 +02001/*
2 * wpa_supplicant / WPS integration
Jouni Malinen59307b32013-04-01 20:32:09 +03003 * Copyright (c) 2008-2013, Jouni Malinen <j@w1.fi>
Jouni Malinenfa201b62008-11-28 19:46:22 +02004 *
Jouni Malinen0f3d5782012-02-11 16:46:35 +02005 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
Jouni Malinenfa201b62008-11-28 19:46:22 +02007 */
8
9#include "includes.h"
10
11#include "common.h"
Jouni Malinen03da66b2009-11-29 23:04:43 +020012#include "eloop.h"
13#include "uuid.h"
Jouni Malinen3f2c8ba2012-06-27 18:56:41 +030014#include "crypto/random.h"
Jouni Malinen03da66b2009-11-29 23:04:43 +020015#include "crypto/dh_group5.h"
Jouni Malinen90973fb2009-11-29 17:51:55 +020016#include "common/ieee802_11_defs.h"
17#include "common/ieee802_11_common.h"
18#include "common/wpa_common.h"
Jouni Malinen03da66b2009-11-29 23:04:43 +020019#include "common/wpa_ctrl.h"
20#include "eap_common/eap_wsc_common.h"
Jouni Malinenb01c18a2008-11-29 13:38:03 +020021#include "eap_peer/eap.h"
Jouni Malinen20a0b032011-06-27 19:02:24 +030022#include "eapol_supp/eapol_supp_sm.h"
Jouni Malinen03da66b2009-11-29 23:04:43 +020023#include "rsn_supp/wpa.h"
Jouni Malinend7645d22012-06-28 13:59:29 +030024#include "wps/wps_attr_parse.h"
Jouni Malinen03da66b2009-11-29 23:04:43 +020025#include "config.h"
Jouni Malinenfa201b62008-11-28 19:46:22 +020026#include "wpa_supplicant_i.h"
Jouni Malinen2d5b7922009-03-26 20:37:05 +020027#include "driver_i.h"
Jouni Malinen8bac4662009-09-13 20:53:32 +030028#include "notify.h"
Jouni Malinena6099152009-01-23 13:10:58 +020029#include "blacklist.h"
Jouni Malinen59f2caa2010-01-02 13:36:12 +020030#include "bss.h"
Jouni Malinen9ba9fa02010-01-03 18:48:11 +020031#include "scan.h"
Ardong Chen2f9929f2010-09-06 20:51:06 +030032#include "ap.h"
Jouni Malinene9a7ae42010-08-05 09:15:11 -070033#include "p2p/p2p.h"
Jouni Malinenb22128e2010-07-18 14:30:25 -070034#include "p2p_supplicant.h"
Jouni Malinenfa201b62008-11-28 19:46:22 +020035#include "wps_supplicant.h"
36
Jouni Malinenf7e54362009-12-28 16:07:15 +020037
Jouni Malinen31fcea92009-12-12 16:40:10 +020038#ifndef WPS_PIN_SCAN_IGNORE_SEL_REG
Jouni Malinena6099152009-01-23 13:10:58 +020039#define WPS_PIN_SCAN_IGNORE_SEL_REG 3
Jouni Malinen31fcea92009-12-12 16:40:10 +020040#endif /* WPS_PIN_SCAN_IGNORE_SEL_REG */
Jouni Malinenfa201b62008-11-28 19:46:22 +020041
Jouni Malinenfcc60db2008-11-29 20:59:45 +020042static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx);
Jouni Malinen469fc3a2008-12-19 22:19:41 +020043static void wpas_clear_wps(struct wpa_supplicant *wpa_s);
Jouni Malinenfcc60db2008-11-29 20:59:45 +020044
45
Jouni Malinenf9f05262012-08-27 13:48:11 +030046static 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
Jouni Malinenfa201b62008-11-28 19:46:22 +020055int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s)
56{
Jouni Malinena6099152009-01-23 13:10:58 +020057 if (!wpa_s->wps_success &&
58 wpa_s->current_ssid &&
59 eap_is_wps_pin_enrollee(&wpa_s->current_ssid->eap)) {
60 const u8 *bssid = wpa_s->bssid;
61 if (is_zero_ether_addr(bssid))
62 bssid = wpa_s->pending_bssid;
63
64 wpa_printf(MSG_DEBUG, "WPS: PIN registration with " MACSTR
65 " did not succeed - continue trying to find "
66 "suitable AP", MAC2STR(bssid));
67 wpa_blacklist_add(wpa_s, bssid);
68
69 wpa_supplicant_deauthenticate(wpa_s,
70 WLAN_REASON_DEAUTH_LEAVING);
71 wpa_s->reassociate = 1;
72 wpa_supplicant_req_scan(wpa_s,
73 wpa_s->blacklist_cleared ? 5 : 0, 0);
74 wpa_s->blacklist_cleared = 0;
75 return 1;
76 }
77
Jouni Malinenf9f05262012-08-27 13:48:11 +030078 wpas_wps_clear_ap_info(wpa_s);
Jouni Malinenfcc60db2008-11-29 20:59:45 +020079 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
Chao-Wen Yang449adba2011-01-13 18:04:33 +020080 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && !wpa_s->wps_success)
81 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL);
Jouni Malinenfcc60db2008-11-29 20:59:45 +020082
Jouni Malinenfa201b62008-11-28 19:46:22 +020083 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid &&
84 !(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
Jouni Malinenf981eab2010-12-22 11:33:59 +020085 int disabled = wpa_s->current_ssid->disabled;
Jouni Malinena565c232012-02-12 13:54:15 +020086 unsigned int freq = wpa_s->assoc_freq;
Masashi Honma97236ce2013-03-31 20:06:42 +030087 struct wpa_bss *bss;
88 struct wpa_ssid *ssid = NULL;
89 int use_fast_assoc = 0;
90
Jouni Malinenfa201b62008-11-28 19:46:22 +020091 wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - "
Jouni Malinena565c232012-02-12 13:54:15 +020092 "try to associate with the received credential "
93 "(freq=%u)", freq);
Jouni Malinenfa201b62008-11-28 19:46:22 +020094 wpa_supplicant_deauthenticate(wpa_s,
95 WLAN_REASON_DEAUTH_LEAVING);
Jouni Malinenf981eab2010-12-22 11:33:59 +020096 if (disabled) {
97 wpa_printf(MSG_DEBUG, "WPS: Current network is "
98 "disabled - wait for user to enable");
99 return 1;
100 }
Jouni Malinen17a47342010-04-11 19:06:42 +0300101 wpa_s->after_wps = 5;
Jouni Malinena565c232012-02-12 13:54:15 +0200102 wpa_s->wps_freq = freq;
Jouni Malinen0b7a25c2011-11-28 18:36:36 +0200103 wpa_s->normal_scans = 0;
Jouni Malinenfa201b62008-11-28 19:46:22 +0200104 wpa_s->reassociate = 1;
Masashi Honma97236ce2013-03-31 20:06:42 +0300105
106 wpa_printf(MSG_DEBUG, "WPS: Checking whether fast association "
107 "without a new scan can be used");
108 bss = wpa_supplicant_pick_network(wpa_s, &ssid);
109 if (bss) {
110 struct wpabuf *wps;
111 struct wps_parse_attr attr;
112
113 wps = wpa_bss_get_vendor_ie_multi(bss,
114 WPS_IE_VENDOR_TYPE);
115 if (wps && wps_parse_msg(wps, &attr) == 0 &&
116 attr.wps_state &&
117 *attr.wps_state == WPS_STATE_CONFIGURED)
118 use_fast_assoc = 1;
119 wpabuf_free(wps);
120 }
121
122 if (!use_fast_assoc ||
123 wpa_supplicant_fast_associate(wpa_s) != 1)
124 wpa_supplicant_req_scan(wpa_s, 0, 0);
Jouni Malinenfa201b62008-11-28 19:46:22 +0200125 return 1;
126 }
127
Jouni Malinen47662162009-01-18 12:27:12 +0200128 if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid) {
129 wpa_printf(MSG_DEBUG, "WPS: Registration completed - waiting "
130 "for external credential processing");
131 wpas_clear_wps(wpa_s);
132 wpa_supplicant_deauthenticate(wpa_s,
133 WLAN_REASON_DEAUTH_LEAVING);
134 return 1;
135 }
136
Jouni Malinenfa201b62008-11-28 19:46:22 +0200137 return 0;
138}
139
140
Jouni Malinen7cc1b6c2009-03-05 21:39:39 +0200141static void wpas_wps_security_workaround(struct wpa_supplicant *wpa_s,
142 struct wpa_ssid *ssid,
143 const struct wps_credential *cred)
144{
145 struct wpa_driver_capa capa;
Jouni Malinen59f2caa2010-01-02 13:36:12 +0200146 struct wpa_bss *bss;
Jouni Malinen7cc1b6c2009-03-05 21:39:39 +0200147 const u8 *ie;
148 struct wpa_ie_data adv;
149 int wpa2 = 0, ccmp = 0;
150
151 /*
152 * Many existing WPS APs do not know how to negotiate WPA2 or CCMP in
153 * case they are configured for mixed mode operation (WPA+WPA2 and
154 * TKIP+CCMP). Try to use scan results to figure out whether the AP
155 * actually supports stronger security and select that if the client
156 * has support for it, too.
157 */
158
159 if (wpa_drv_get_capa(wpa_s, &capa))
160 return; /* Unknown what driver supports */
161
Jouni Malinend87e90b2011-07-15 14:21:50 +0300162 if (ssid->ssid == NULL)
163 return;
Jouni Malinen59f2caa2010-01-02 13:36:12 +0200164 bss = wpa_bss_get(wpa_s, cred->mac_addr, ssid->ssid, ssid->ssid_len);
165 if (bss == NULL) {
166 wpa_printf(MSG_DEBUG, "WPS: The AP was not found from BSS "
167 "table - use credential as-is");
Jouni Malinen7cc1b6c2009-03-05 21:39:39 +0200168 return;
169 }
170
Jouni Malinen59f2caa2010-01-02 13:36:12 +0200171 wpa_printf(MSG_DEBUG, "WPS: AP found from BSS table");
172
173 ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
Jouni Malinen7cc1b6c2009-03-05 21:39:39 +0200174 if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0) {
175 wpa2 = 1;
176 if (adv.pairwise_cipher & WPA_CIPHER_CCMP)
177 ccmp = 1;
178 } else {
Jouni Malinen59f2caa2010-01-02 13:36:12 +0200179 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
Jouni Malinen7cc1b6c2009-03-05 21:39:39 +0200180 if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0 &&
181 adv.pairwise_cipher & WPA_CIPHER_CCMP)
182 ccmp = 1;
183 }
184
185 if (ie == NULL && (ssid->proto & WPA_PROTO_WPA) &&
186 (ssid->pairwise_cipher & WPA_CIPHER_TKIP)) {
187 /*
188 * TODO: This could be the initial AP configuration and the
189 * Beacon contents could change shortly. Should request a new
190 * scan and delay addition of the network until the updated
191 * scan results are available.
192 */
193 wpa_printf(MSG_DEBUG, "WPS: The AP did not yet advertise WPA "
194 "support - use credential as-is");
195 return;
196 }
197
198 if (ccmp && !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) &&
199 (ssid->pairwise_cipher & WPA_CIPHER_TKIP) &&
200 (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
201 wpa_printf(MSG_DEBUG, "WPS: Add CCMP into the credential "
202 "based on scan results");
203 if (wpa_s->conf->ap_scan == 1)
204 ssid->pairwise_cipher |= WPA_CIPHER_CCMP;
205 else
206 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
207 }
208
209 if (wpa2 && !(ssid->proto & WPA_PROTO_RSN) &&
210 (ssid->proto & WPA_PROTO_WPA) &&
211 (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP)) {
212 wpa_printf(MSG_DEBUG, "WPS: Add WPA2 into the credential "
213 "based on scan results");
214 if (wpa_s->conf->ap_scan == 1)
215 ssid->proto |= WPA_PROTO_RSN;
216 else
217 ssid->proto = WPA_PROTO_RSN;
218 }
219}
220
221
Vinayak Kamath741ed9f2013-04-30 13:35:50 +0300222static void wpas_wps_remove_dup_network(struct wpa_supplicant *wpa_s,
223 struct wpa_ssid *new_ssid)
224{
225 struct wpa_ssid *ssid, *next;
226
227 for (ssid = wpa_s->conf->ssid, next = ssid ? ssid->next : NULL; ssid;
228 ssid = next, next = ssid ? ssid->next : NULL) {
229 /*
230 * new_ssid has already been added to the list in
231 * wpas_wps_add_network(), so skip it.
232 */
233 if (ssid == new_ssid)
234 continue;
235
236 if (ssid->bssid_set || new_ssid->bssid_set) {
237 if (ssid->bssid_set != new_ssid->bssid_set)
238 continue;
239 if (os_memcmp(ssid->bssid, new_ssid->bssid, ETH_ALEN) !=
240 0)
241 continue;
242 }
243
244 /* compare SSID */
245 if (ssid->ssid_len == 0 || ssid->ssid_len != new_ssid->ssid_len)
246 continue;
247
248 if (ssid->ssid && new_ssid->ssid) {
249 if (os_memcmp(ssid->ssid, new_ssid->ssid,
250 ssid->ssid_len) != 0)
251 continue;
252 } else if (ssid->ssid || new_ssid->ssid)
253 continue;
254
255 /* compare security parameters */
256 if (ssid->auth_alg != new_ssid->auth_alg ||
257 ssid->key_mgmt != new_ssid->key_mgmt ||
258 ssid->proto != new_ssid->proto ||
259 ssid->pairwise_cipher != new_ssid->pairwise_cipher ||
260 ssid->group_cipher != new_ssid->group_cipher)
261 continue;
262
Vinayak Kamath741ed9f2013-04-30 13:35:50 +0300263 /* Remove the duplicated older network entry. */
264 wpa_printf(MSG_DEBUG, "Remove duplicate network %d", ssid->id);
265 wpas_notify_network_removed(wpa_s, ssid);
266 wpa_config_remove_network(wpa_s->conf, ssid->id);
267 }
268}
269
270
Jouni Malinenbcbbc7a2008-11-28 20:02:32 +0200271static int wpa_supplicant_wps_cred(void *ctx,
272 const struct wps_credential *cred)
Jouni Malinenfa201b62008-11-28 19:46:22 +0200273{
274 struct wpa_supplicant *wpa_s = ctx;
275 struct wpa_ssid *ssid = wpa_s->current_ssid;
Andriy Tkachuk522b5b62009-02-18 19:58:44 +0200276 u8 key_idx = 0;
Jouni Malinen49eba5f2009-08-15 20:40:45 +0300277 u16 auth_type;
Andrii Bordunov2c4f80d2011-10-22 22:21:53 +0300278#ifdef CONFIG_WPS_REG_DISABLE_OPEN
Jouni Malinenf981eab2010-12-22 11:33:59 +0200279 int registrar = 0;
Andrii Bordunov2c4f80d2011-10-22 22:21:53 +0300280#endif /* CONFIG_WPS_REG_DISABLE_OPEN */
Jouni Malinenfa201b62008-11-28 19:46:22 +0200281
Jouni Malinen47662162009-01-18 12:27:12 +0200282 if ((wpa_s->conf->wps_cred_processing == 1 ||
283 wpa_s->conf->wps_cred_processing == 2) && cred->cred_attr) {
284 size_t blen = cred->cred_attr_len * 2 + 1;
285 char *buf = os_malloc(blen);
286 if (buf) {
287 wpa_snprintf_hex(buf, blen,
288 cred->cred_attr, cred->cred_attr_len);
289 wpa_msg(wpa_s, MSG_INFO, "%s%s",
290 WPS_EVENT_CRED_RECEIVED, buf);
291 os_free(buf);
292 }
Jouni Malinen8bac4662009-09-13 20:53:32 +0300293
294 wpas_notify_wps_credential(wpa_s, cred);
Jouni Malinen47662162009-01-18 12:27:12 +0200295 } else
296 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CRED_RECEIVED);
Jouni Malinenfa201b62008-11-28 19:46:22 +0200297
Jouni Malineneca6e0a2009-01-17 22:17:12 +0200298 wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute",
299 cred->cred_attr, cred->cred_attr_len);
300
Jouni Malinen47662162009-01-18 12:27:12 +0200301 if (wpa_s->conf->wps_cred_processing == 1)
302 return 0;
303
Jouni Malinen73267b92009-03-30 19:00:55 +0300304 wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len);
305 wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x",
306 cred->auth_type);
307 wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type);
308 wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx);
309 wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key",
310 cred->key, cred->key_len);
311 wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR,
312 MAC2STR(cred->mac_addr));
313
Jouni Malinen49eba5f2009-08-15 20:40:45 +0300314 auth_type = cred->auth_type;
315 if (auth_type == (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
316 wpa_printf(MSG_DEBUG, "WPS: Workaround - convert mixed-mode "
317 "auth_type into WPA2PSK");
318 auth_type = WPS_AUTH_WPA2PSK;
319 }
320
321 if (auth_type != WPS_AUTH_OPEN &&
322 auth_type != WPS_AUTH_SHARED &&
323 auth_type != WPS_AUTH_WPAPSK &&
324 auth_type != WPS_AUTH_WPA2PSK) {
Jouni Malinenf2860772009-01-17 21:45:51 +0200325 wpa_printf(MSG_DEBUG, "WPS: Ignored credentials for "
Jouni Malinen49eba5f2009-08-15 20:40:45 +0300326 "unsupported authentication type 0x%x",
327 auth_type);
Jouni Malinenf2860772009-01-17 21:45:51 +0200328 return 0;
329 }
330
Jouni Malinenb3631212012-11-01 16:30:35 +0200331 if (auth_type == WPS_AUTH_WPAPSK || auth_type == WPS_AUTH_WPA2PSK) {
332 if (cred->key_len < 8 || cred->key_len > 2 * PMK_LEN) {
333 wpa_printf(MSG_ERROR, "WPS: Reject PSK credential with "
334 "invalid Network Key length %lu",
335 (unsigned long) cred->key_len);
336 return -1;
337 }
338 }
339
Jouni Malinenfa201b62008-11-28 19:46:22 +0200340 if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
341 wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based "
342 "on the received credential");
Andrii Bordunov2c4f80d2011-10-22 22:21:53 +0300343#ifdef CONFIG_WPS_REG_DISABLE_OPEN
Jouni Malinenf981eab2010-12-22 11:33:59 +0200344 if (ssid->eap.identity &&
345 ssid->eap.identity_len == WSC_ID_REGISTRAR_LEN &&
346 os_memcmp(ssid->eap.identity, WSC_ID_REGISTRAR,
347 WSC_ID_REGISTRAR_LEN) == 0)
348 registrar = 1;
Andrii Bordunov2c4f80d2011-10-22 22:21:53 +0300349#endif /* CONFIG_WPS_REG_DISABLE_OPEN */
Jouni Malinenfa201b62008-11-28 19:46:22 +0200350 os_free(ssid->eap.identity);
351 ssid->eap.identity = NULL;
352 ssid->eap.identity_len = 0;
353 os_free(ssid->eap.phase1);
354 ssid->eap.phase1 = NULL;
355 os_free(ssid->eap.eap_methods);
356 ssid->eap.eap_methods = NULL;
Jouni Malinencae21192012-07-25 16:18:12 +0300357 if (!ssid->p2p_group) {
Jouni Malinen2ff99b32010-07-18 14:30:24 -0700358 ssid->temporary = 0;
Jouni Malinencae21192012-07-25 16:18:12 +0300359 ssid->bssid_set = 0;
360 }
Jouni Malinen00e5e3d2012-08-26 23:01:26 +0300361 ssid->disabled_until.sec = 0;
362 ssid->disabled_until.usec = 0;
363 ssid->auth_failures = 0;
Jouni Malinenfa201b62008-11-28 19:46:22 +0200364 } else {
365 wpa_printf(MSG_DEBUG, "WPS: Create a new network based on the "
366 "received credential");
367 ssid = wpa_config_add_network(wpa_s->conf);
368 if (ssid == NULL)
369 return -1;
Jouni Malinen8bac4662009-09-13 20:53:32 +0300370 wpas_notify_network_added(wpa_s, ssid);
Jouni Malinenfa201b62008-11-28 19:46:22 +0200371 }
372
373 wpa_config_set_network_defaults(ssid);
374
375 os_free(ssid->ssid);
376 ssid->ssid = os_malloc(cred->ssid_len);
377 if (ssid->ssid) {
378 os_memcpy(ssid->ssid, cred->ssid, cred->ssid_len);
379 ssid->ssid_len = cred->ssid_len;
380 }
381
382 switch (cred->encr_type) {
383 case WPS_ENCR_NONE:
Jouni Malinenfa201b62008-11-28 19:46:22 +0200384 break;
385 case WPS_ENCR_WEP:
Andriy Tkachuk4b195a12009-02-17 10:30:43 +0200386 if (cred->key_len <= 0)
387 break;
388 if (cred->key_len != 5 && cred->key_len != 13 &&
389 cred->key_len != 10 && cred->key_len != 26) {
390 wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key length "
391 "%lu", (unsigned long) cred->key_len);
392 return -1;
Jouni Malinenfa201b62008-11-28 19:46:22 +0200393 }
Andriy Tkachuk522b5b62009-02-18 19:58:44 +0200394 if (cred->key_idx > NUM_WEP_KEYS) {
Andriy Tkachuk4b195a12009-02-17 10:30:43 +0200395 wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key index %d",
396 cred->key_idx);
397 return -1;
398 }
Andriy Tkachuk522b5b62009-02-18 19:58:44 +0200399 if (cred->key_idx)
400 key_idx = cred->key_idx - 1;
Andriy Tkachuk4b195a12009-02-17 10:30:43 +0200401 if (cred->key_len == 10 || cred->key_len == 26) {
402 if (hexstr2bin((char *) cred->key,
403 ssid->wep_key[key_idx],
404 cred->key_len / 2) < 0) {
405 wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key "
406 "%d", key_idx);
407 return -1;
408 }
409 ssid->wep_key_len[key_idx] = cred->key_len / 2;
410 } else {
411 os_memcpy(ssid->wep_key[key_idx], cred->key,
412 cred->key_len);
413 ssid->wep_key_len[key_idx] = cred->key_len;
414 }
415 ssid->wep_tx_keyidx = key_idx;
Jouni Malinenfa201b62008-11-28 19:46:22 +0200416 break;
417 case WPS_ENCR_TKIP:
418 ssid->pairwise_cipher = WPA_CIPHER_TKIP;
Jouni Malinenfa201b62008-11-28 19:46:22 +0200419 break;
420 case WPS_ENCR_AES:
421 ssid->pairwise_cipher = WPA_CIPHER_CCMP;
Jouni Malinenfa201b62008-11-28 19:46:22 +0200422 break;
423 }
424
Jouni Malinen49eba5f2009-08-15 20:40:45 +0300425 switch (auth_type) {
Jouni Malinenfa201b62008-11-28 19:46:22 +0200426 case WPS_AUTH_OPEN:
427 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
428 ssid->key_mgmt = WPA_KEY_MGMT_NONE;
429 ssid->proto = 0;
Jouni Malinenf981eab2010-12-22 11:33:59 +0200430#ifdef CONFIG_WPS_REG_DISABLE_OPEN
431 if (registrar) {
432 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OPEN_NETWORK
433 "id=%d - Credentials for an open "
434 "network disabled by default - use "
435 "'select_network %d' to enable",
436 ssid->id, ssid->id);
437 ssid->disabled = 1;
438 }
439#endif /* CONFIG_WPS_REG_DISABLE_OPEN */
Jouni Malinenfa201b62008-11-28 19:46:22 +0200440 break;
441 case WPS_AUTH_SHARED:
442 ssid->auth_alg = WPA_AUTH_ALG_SHARED;
443 ssid->key_mgmt = WPA_KEY_MGMT_NONE;
444 ssid->proto = 0;
445 break;
446 case WPS_AUTH_WPAPSK:
447 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
448 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
449 ssid->proto = WPA_PROTO_WPA;
450 break;
Jouni Malinenfa201b62008-11-28 19:46:22 +0200451 case WPS_AUTH_WPA2PSK:
452 ssid->auth_alg = WPA_AUTH_ALG_OPEN;
453 ssid->key_mgmt = WPA_KEY_MGMT_PSK;
454 ssid->proto = WPA_PROTO_RSN;
455 break;
456 }
457
458 if (ssid->key_mgmt == WPA_KEY_MGMT_PSK) {
459 if (cred->key_len == 2 * PMK_LEN) {
460 if (hexstr2bin((const char *) cred->key, ssid->psk,
461 PMK_LEN)) {
462 wpa_printf(MSG_ERROR, "WPS: Invalid Network "
463 "Key");
464 return -1;
465 }
466 ssid->psk_set = 1;
Johannes Bergd1c8ac82011-02-02 17:00:12 +0200467 ssid->export_keys = 1;
Jouni Malinenfa201b62008-11-28 19:46:22 +0200468 } else if (cred->key_len >= 8 && cred->key_len < 2 * PMK_LEN) {
469 os_free(ssid->passphrase);
470 ssid->passphrase = os_malloc(cred->key_len + 1);
471 if (ssid->passphrase == NULL)
472 return -1;
473 os_memcpy(ssid->passphrase, cred->key, cred->key_len);
474 ssid->passphrase[cred->key_len] = '\0';
475 wpa_config_update_psk(ssid);
Johannes Bergd1c8ac82011-02-02 17:00:12 +0200476 ssid->export_keys = 1;
Jouni Malinenfa201b62008-11-28 19:46:22 +0200477 } else {
478 wpa_printf(MSG_ERROR, "WPS: Invalid Network Key "
479 "length %lu",
480 (unsigned long) cred->key_len);
481 return -1;
482 }
483 }
484
Jouni Malinen7cc1b6c2009-03-05 21:39:39 +0200485 wpas_wps_security_workaround(wpa_s, ssid, cred);
486
Jouni Malinenbd3a3732012-10-28 18:02:04 +0200487 if (cred->ap_channel)
488 wpa_s->wps_ap_channel = cred->ap_channel;
489
Vinayak Kamath741ed9f2013-04-30 13:35:50 +0300490 wpas_wps_remove_dup_network(wpa_s, ssid);
491
Jouni Malinenfa201b62008-11-28 19:46:22 +0200492#ifndef CONFIG_NO_CONFIG_WRITE
493 if (wpa_s->conf->update_config &&
494 wpa_config_write(wpa_s->confname, wpa_s->conf)) {
495 wpa_printf(MSG_DEBUG, "WPS: Failed to update configuration");
496 return -1;
497 }
498#endif /* CONFIG_NO_CONFIG_WRITE */
499
Sunil Dutt6fbcbc02012-12-21 15:30:39 +0200500 /*
501 * Optimize the post-WPS scan based on the channel used during
502 * the provisioning in case EAP-Failure is not received.
503 */
504 wpa_s->after_wps = 5;
505 wpa_s->wps_freq = wpa_s->assoc_freq;
506
Jouni Malinenfa201b62008-11-28 19:46:22 +0200507 return 0;
508}
509
510
Jouni Malinenb89883a2011-02-22 12:20:16 +0200511#ifdef CONFIG_P2P
512static void wpas_wps_pbc_overlap_cb(void *eloop_ctx, void *timeout_ctx)
513{
514 struct wpa_supplicant *wpa_s = eloop_ctx;
515 wpas_p2p_notif_pbc_overlap(wpa_s);
516}
517#endif /* CONFIG_P2P */
518
519
Jouni Malinen4b682902008-12-18 21:58:42 +0200520static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant *wpa_s,
521 struct wps_event_m2d *m2d)
522{
523 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_M2D
524 "dev_password_id=%d config_error=%d",
525 m2d->dev_password_id, m2d->config_error);
Jouni Malinen8bac4662009-09-13 20:53:32 +0300526 wpas_notify_wps_event_m2d(wpa_s, m2d);
Jouni Malinenb89883a2011-02-22 12:20:16 +0200527#ifdef CONFIG_P2P
528 if (wpa_s->parent && wpa_s->parent != wpa_s) {
529 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_M2D
530 "dev_password_id=%d config_error=%d",
531 m2d->dev_password_id, m2d->config_error);
532 }
533 if (m2d->config_error == WPS_CFG_MULTIPLE_PBC_DETECTED) {
534 /*
535 * Notify P2P from eloop timeout to avoid issues with the
536 * interface getting removed while processing a message.
537 */
538 eloop_register_timeout(0, 0, wpas_wps_pbc_overlap_cb, wpa_s,
539 NULL);
540 }
541#endif /* CONFIG_P2P */
Jouni Malinen4b682902008-12-18 21:58:42 +0200542}
543
544
Jouni Malinen2e145e92013-08-23 17:43:01 +0300545static void wpas_wps_clear_timeout(void *eloop_ctx, void *timeout_ctx)
546{
547 struct wpa_supplicant *wpa_s = eloop_ctx;
548 wpa_printf(MSG_DEBUG, "WPS: Clear WPS network from timeout");
549 wpas_clear_wps(wpa_s);
550}
551
552
Jouni Malinen469fc3a2008-12-19 22:19:41 +0200553static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s,
554 struct wps_event_fail *fail)
555{
Chao-Wen Yangc5cf0a12011-01-13 17:50:59 +0200556 if (fail->error_indication > 0 &&
557 fail->error_indication < NUM_WPS_EI_VALUES) {
558 wpa_msg(wpa_s, MSG_INFO,
559 WPS_EVENT_FAIL "msg=%d config_error=%d reason=%d (%s)",
560 fail->msg, fail->config_error, fail->error_indication,
Jouni Malinen961750c2013-07-31 17:30:45 +0300561 wps_ei_str(fail->error_indication));
Chao-Wen Yangc5cf0a12011-01-13 17:50:59 +0200562 if (wpa_s->parent && wpa_s->parent != wpa_s)
563 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
564 "msg=%d config_error=%d reason=%d (%s)",
565 fail->msg, fail->config_error,
566 fail->error_indication,
Jouni Malinen961750c2013-07-31 17:30:45 +0300567 wps_ei_str(fail->error_indication));
Chao-Wen Yangc5cf0a12011-01-13 17:50:59 +0200568 } else {
569 wpa_msg(wpa_s, MSG_INFO,
570 WPS_EVENT_FAIL "msg=%d config_error=%d",
Jouni Malinen545cc6a2010-10-14 20:52:31 +0300571 fail->msg, fail->config_error);
Chao-Wen Yangc5cf0a12011-01-13 17:50:59 +0200572 if (wpa_s->parent && wpa_s->parent != wpa_s)
573 wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
574 "msg=%d config_error=%d",
575 fail->msg, fail->config_error);
576 }
Jouni Malinen2e145e92013-08-23 17:43:01 +0300577
578 /*
579 * Need to allow WPS processing to complete, e.g., by sending WSC_NACK.
580 */
581 wpa_printf(MSG_DEBUG, "WPS: Register timeout to clear WPS network");
582 eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL);
583 eloop_register_timeout(0, 100000, wpas_wps_clear_timeout, wpa_s, NULL);
584
Jouni Malinen8bac4662009-09-13 20:53:32 +0300585 wpas_notify_wps_event_fail(wpa_s, fail);
Jayant Sane37345522011-06-25 11:47:04 +0300586#ifdef CONFIG_P2P
587 wpas_p2p_wps_failed(wpa_s, fail);
588#endif /* CONFIG_P2P */
Jouni Malinen469fc3a2008-12-19 22:19:41 +0200589}
590
591
Sunil Duttec947ff2012-10-04 21:11:04 +0300592static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx);
593
594static void wpas_wps_reenable_networks(struct wpa_supplicant *wpa_s)
595{
596 struct wpa_ssid *ssid;
Jouni Malinen318e7722012-12-21 20:11:26 +0200597 int changed = 0;
Sunil Duttec947ff2012-10-04 21:11:04 +0300598
599 eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL);
600
601 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
602 if (ssid->disabled_for_connect && ssid->disabled) {
603 ssid->disabled_for_connect = 0;
604 ssid->disabled = 0;
605 wpas_notify_network_enabled_changed(wpa_s, ssid);
Jouni Malinen318e7722012-12-21 20:11:26 +0200606 changed++;
Sunil Duttec947ff2012-10-04 21:11:04 +0300607 }
608 }
Jouni Malinen318e7722012-12-21 20:11:26 +0200609
610 if (changed) {
611#ifndef CONFIG_NO_CONFIG_WRITE
612 if (wpa_s->conf->update_config &&
613 wpa_config_write(wpa_s->confname, wpa_s->conf)) {
614 wpa_printf(MSG_DEBUG, "WPS: Failed to update "
615 "configuration");
616 }
617#endif /* CONFIG_NO_CONFIG_WRITE */
618 }
Sunil Duttec947ff2012-10-04 21:11:04 +0300619}
620
621
622static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx)
623{
624 struct wpa_supplicant *wpa_s = eloop_ctx;
625 /* Enable the networks disabled during wpas_wps_reassoc */
626 wpas_wps_reenable_networks(wpa_s);
627}
628
629
Jouni Malinenad5302a2008-12-19 22:34:18 +0200630static void wpa_supplicant_wps_event_success(struct wpa_supplicant *wpa_s)
631{
632 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS);
Jouni Malinena6099152009-01-23 13:10:58 +0200633 wpa_s->wps_success = 1;
Jouni Malinen8bac4662009-09-13 20:53:32 +0300634 wpas_notify_wps_event_success(wpa_s);
Jouni Malinenf3e907a2013-05-15 17:33:50 +0300635 if (wpa_s->current_ssid)
636 wpas_clear_temp_disabled(wpa_s, wpa_s->current_ssid, 1);
637 wpa_s->extra_blacklist_count = 0;
Sunil Duttec947ff2012-10-04 21:11:04 +0300638
639 /*
640 * Enable the networks disabled during wpas_wps_reassoc after 10
641 * seconds. The 10 seconds timer is to allow the data connection to be
642 * formed before allowing other networks to be selected.
643 */
644 eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s,
645 NULL);
646
Jouni Malinenb22128e2010-07-18 14:30:25 -0700647#ifdef CONFIG_P2P
648 wpas_p2p_wps_success(wpa_s, wpa_s->bssid, 0);
649#endif /* CONFIG_P2P */
Jouni Malinenad5302a2008-12-19 22:34:18 +0200650}
651
652
Jouni Malinenb78bc3a2009-11-15 12:07:27 +0200653static void wpa_supplicant_wps_event_er_ap_add(struct wpa_supplicant *wpa_s,
654 struct wps_event_er_ap *ap)
655{
656 char uuid_str[100];
Jouni Malinened459472009-11-26 11:54:37 +0200657 char dev_type[WPS_DEV_TYPE_BUFSIZE];
Jouni Malinene694b342009-11-21 13:34:23 +0200658
Jouni Malinenb78bc3a2009-11-15 12:07:27 +0200659 uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str));
Jouni Malinene694b342009-11-21 13:34:23 +0200660 if (ap->pri_dev_type)
Jouni Malinened459472009-11-26 11:54:37 +0200661 wps_dev_type_bin2str(ap->pri_dev_type, dev_type,
662 sizeof(dev_type));
Jouni Malinene694b342009-11-21 13:34:23 +0200663 else
664 dev_type[0] = '\0';
665
666 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_ADD "%s " MACSTR
667 " pri_dev_type=%s wps_state=%d |%s|%s|%s|%s|%s|%s|",
668 uuid_str, MAC2STR(ap->mac_addr), dev_type, ap->wps_state,
Jouni Malinenb78bc3a2009-11-15 12:07:27 +0200669 ap->friendly_name ? ap->friendly_name : "",
670 ap->manufacturer ? ap->manufacturer : "",
671 ap->model_description ? ap->model_description : "",
672 ap->model_name ? ap->model_name : "",
673 ap->manufacturer_url ? ap->manufacturer_url : "",
674 ap->model_url ? ap->model_url : "");
675}
676
677
678static void wpa_supplicant_wps_event_er_ap_remove(struct wpa_supplicant *wpa_s,
679 struct wps_event_er_ap *ap)
680{
681 char uuid_str[100];
682 uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str));
683 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_REMOVE "%s", uuid_str);
684}
685
686
687static void wpa_supplicant_wps_event_er_enrollee_add(
688 struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee)
689{
690 char uuid_str[100];
Jouni Malinened459472009-11-26 11:54:37 +0200691 char dev_type[WPS_DEV_TYPE_BUFSIZE];
Jouni Malinenb78bc3a2009-11-15 12:07:27 +0200692
693 uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str));
694 if (enrollee->pri_dev_type)
Jouni Malinened459472009-11-26 11:54:37 +0200695 wps_dev_type_bin2str(enrollee->pri_dev_type, dev_type,
696 sizeof(dev_type));
Jouni Malinenb78bc3a2009-11-15 12:07:27 +0200697 else
698 dev_type[0] = '\0';
699
700 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_ADD "%s " MACSTR
701 " M1=%d config_methods=0x%x dev_passwd_id=%d pri_dev_type=%s "
702 "|%s|%s|%s|%s|%s|",
703 uuid_str, MAC2STR(enrollee->mac_addr), enrollee->m1_received,
704 enrollee->config_methods, enrollee->dev_passwd_id, dev_type,
705 enrollee->dev_name ? enrollee->dev_name : "",
706 enrollee->manufacturer ? enrollee->manufacturer : "",
707 enrollee->model_name ? enrollee->model_name : "",
708 enrollee->model_number ? enrollee->model_number : "",
709 enrollee->serial_number ? enrollee->serial_number : "");
710}
711
712
713static void wpa_supplicant_wps_event_er_enrollee_remove(
714 struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee)
715{
716 char uuid_str[100];
717 uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str));
718 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_REMOVE "%s " MACSTR,
719 uuid_str, MAC2STR(enrollee->mac_addr));
720}
721
722
Jouni Malinen15dbf122010-05-27 15:24:45 +0300723static void wpa_supplicant_wps_event_er_ap_settings(
724 struct wpa_supplicant *wpa_s,
725 struct wps_event_er_ap_settings *ap_settings)
726{
727 char uuid_str[100];
728 char key_str[65];
729 const struct wps_credential *cred = ap_settings->cred;
730
731 key_str[0] = '\0';
732 if (cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
733 if (cred->key_len >= 8 && cred->key_len <= 64) {
734 os_memcpy(key_str, cred->key, cred->key_len);
735 key_str[cred->key_len] = '\0';
736 }
737 }
738
739 uuid_bin2str(ap_settings->uuid, uuid_str, sizeof(uuid_str));
740 /* Use wpa_msg_ctrl to avoid showing the key in debug log */
741 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_SETTINGS
742 "uuid=%s ssid=%s auth_type=0x%04x encr_type=0x%04x "
743 "key=%s",
744 uuid_str, wpa_ssid_txt(cred->ssid, cred->ssid_len),
745 cred->auth_type, cred->encr_type, key_str);
746}
747
748
Jouni Malinen3e7533b2010-10-25 21:29:22 +0300749static void wpa_supplicant_wps_event_er_set_sel_reg(
750 struct wpa_supplicant *wpa_s,
751 struct wps_event_er_set_selected_registrar *ev)
752{
753 char uuid_str[100];
754
755 uuid_bin2str(ev->uuid, uuid_str, sizeof(uuid_str));
756 switch (ev->state) {
757 case WPS_ER_SET_SEL_REG_START:
758 wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG
759 "uuid=%s state=START sel_reg=%d dev_passwd_id=%u "
760 "sel_reg_config_methods=0x%x",
761 uuid_str, ev->sel_reg, ev->dev_passwd_id,
762 ev->sel_reg_config_methods);
763 break;
764 case WPS_ER_SET_SEL_REG_DONE:
765 wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG
766 "uuid=%s state=DONE", uuid_str);
767 break;
768 case WPS_ER_SET_SEL_REG_FAILED:
769 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_SET_SEL_REG
770 "uuid=%s state=FAILED", uuid_str);
771 break;
772 }
773}
774
775
Jouni Malinen4b682902008-12-18 21:58:42 +0200776static void wpa_supplicant_wps_event(void *ctx, enum wps_event event,
777 union wps_event_data *data)
778{
779 struct wpa_supplicant *wpa_s = ctx;
780 switch (event) {
781 case WPS_EV_M2D:
782 wpa_supplicant_wps_event_m2d(wpa_s, &data->m2d);
783 break;
Jouni Malinen469fc3a2008-12-19 22:19:41 +0200784 case WPS_EV_FAIL:
785 wpa_supplicant_wps_event_fail(wpa_s, &data->fail);
786 break;
Jouni Malinenad5302a2008-12-19 22:34:18 +0200787 case WPS_EV_SUCCESS:
788 wpa_supplicant_wps_event_success(wpa_s);
789 break;
Jouni Malinen3b2cf802009-01-23 21:57:43 +0200790 case WPS_EV_PWD_AUTH_FAIL:
Jouni Malinen70d84f12010-11-17 16:46:55 +0200791#ifdef CONFIG_AP
792 if (wpa_s->ap_iface && data->pwd_auth_fail.enrollee)
793 wpa_supplicant_ap_pwd_auth_fail(wpa_s);
794#endif /* CONFIG_AP */
Jouni Malinen3b2cf802009-01-23 21:57:43 +0200795 break;
Oleg Kravtsov63330c62009-11-01 21:26:13 +0200796 case WPS_EV_PBC_OVERLAP:
797 break;
798 case WPS_EV_PBC_TIMEOUT:
799 break;
Jeffin Mammen50396e22013-08-23 16:01:30 +0300800 case WPS_EV_PBC_ACTIVE:
801 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ACTIVE);
802 break;
803 case WPS_EV_PBC_DISABLE:
804 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_DISABLE);
805 break;
Jouni Malinenb78bc3a2009-11-15 12:07:27 +0200806 case WPS_EV_ER_AP_ADD:
807 wpa_supplicant_wps_event_er_ap_add(wpa_s, &data->ap);
808 break;
809 case WPS_EV_ER_AP_REMOVE:
810 wpa_supplicant_wps_event_er_ap_remove(wpa_s, &data->ap);
811 break;
812 case WPS_EV_ER_ENROLLEE_ADD:
813 wpa_supplicant_wps_event_er_enrollee_add(wpa_s,
814 &data->enrollee);
815 break;
816 case WPS_EV_ER_ENROLLEE_REMOVE:
817 wpa_supplicant_wps_event_er_enrollee_remove(wpa_s,
818 &data->enrollee);
819 break;
Jouni Malinen15dbf122010-05-27 15:24:45 +0300820 case WPS_EV_ER_AP_SETTINGS:
821 wpa_supplicant_wps_event_er_ap_settings(wpa_s,
822 &data->ap_settings);
823 break;
Jouni Malinen3e7533b2010-10-25 21:29:22 +0300824 case WPS_EV_ER_SET_SELECTED_REGISTRAR:
825 wpa_supplicant_wps_event_er_set_sel_reg(wpa_s,
826 &data->set_sel_reg);
827 break;
Jouni Malinen32cdcf12012-01-30 17:31:06 +0200828 case WPS_EV_AP_PIN_SUCCESS:
829 break;
Jouni Malinen4b682902008-12-18 21:58:42 +0200830 }
831}
832
833
David Spinadel239abaf2013-08-25 10:55:53 +0300834static int wpa_supplicant_wps_rf_band(void *ctx)
835{
836 struct wpa_supplicant *wpa_s = ctx;
837
838 if (!wpa_s->current_ssid || !wpa_s->assoc_freq)
839 return 0;
840
841 return (wpa_s->assoc_freq > 2484) ? WPS_RF_50GHZ : WPS_RF_24GHZ;
842}
843
844
Jouni Malinenf90c86d2009-01-03 19:50:49 +0200845enum wps_request_type wpas_wps_get_req_type(struct wpa_ssid *ssid)
Jouni Malinenfa201b62008-11-28 19:46:22 +0200846{
Jouni Malinenb01c18a2008-11-29 13:38:03 +0200847 if (eap_is_wps_pbc_enrollee(&ssid->eap) ||
848 eap_is_wps_pin_enrollee(&ssid->eap))
849 return WPS_REQ_ENROLLEE;
850 else
851 return WPS_REQ_REGISTRAR;
Jouni Malinenfa201b62008-11-28 19:46:22 +0200852}
Jouni Malinen116654c2008-11-28 20:32:13 +0200853
854
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200855static void wpas_clear_wps(struct wpa_supplicant *wpa_s)
856{
857 int id;
Jouni Malinen20a0b032011-06-27 19:02:24 +0300858 struct wpa_ssid *ssid, *remove_ssid = NULL, *prev_current;
859
Jouni Malinen72559832013-10-20 21:34:39 +0300860 wpa_s->after_wps = 0;
Jouni Malinen4d9fb082013-10-27 12:56:56 +0200861 wpa_s->known_wps_freq = 0;
Jouni Malinen72559832013-10-20 21:34:39 +0300862
Jouni Malinen20a0b032011-06-27 19:02:24 +0300863 prev_current = wpa_s->current_ssid;
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200864
Sunil Duttec947ff2012-10-04 21:11:04 +0300865 /* Enable the networks disabled during wpas_wps_reassoc */
866 wpas_wps_reenable_networks(wpa_s);
867
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200868 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
869
870 /* Remove any existing WPS network from configuration */
871 ssid = wpa_s->conf->ssid;
872 while (ssid) {
Jouni Malinenf0477202008-12-18 01:06:06 +0200873 if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
Jouni Malinen8bac4662009-09-13 20:53:32 +0300874 if (ssid == wpa_s->current_ssid) {
Junli Zhaoc7a67a72013-07-08 12:09:18 +0300875 wpa_supplicant_deauthenticate(
876 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
Jouni Malinen8bac4662009-09-13 20:53:32 +0300877 }
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200878 id = ssid->id;
Jouni Malinen8bac4662009-09-13 20:53:32 +0300879 remove_ssid = ssid;
Jouni Malinenf0477202008-12-18 01:06:06 +0200880 } else
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200881 id = -1;
882 ssid = ssid->next;
Jouni Malinen8bac4662009-09-13 20:53:32 +0300883 if (id >= 0) {
Jouni Malinen20a0b032011-06-27 19:02:24 +0300884 if (prev_current == remove_ssid) {
885 wpa_sm_set_config(wpa_s->wpa, NULL);
886 eapol_sm_notify_config(wpa_s->eapol, NULL,
887 NULL);
888 }
Jouni Malinen8bac4662009-09-13 20:53:32 +0300889 wpas_notify_network_removed(wpa_s, remove_ssid);
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200890 wpa_config_remove_network(wpa_s->conf, id);
Jouni Malinen8bac4662009-09-13 20:53:32 +0300891 }
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200892 }
Jouni Malinenf9f05262012-08-27 13:48:11 +0300893
894 wpas_wps_clear_ap_info(wpa_s);
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200895}
896
897
898static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx)
899{
900 struct wpa_supplicant *wpa_s = eloop_ctx;
Ardong Chen014732e2010-09-06 18:13:18 +0300901 wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed "
902 "out");
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200903 wpas_clear_wps(wpa_s);
904}
905
906
907static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s,
908 int registrar, const u8 *bssid)
909{
910 struct wpa_ssid *ssid;
911
912 ssid = wpa_config_add_network(wpa_s->conf);
913 if (ssid == NULL)
914 return NULL;
Jouni Malinen8bac4662009-09-13 20:53:32 +0300915 wpas_notify_network_added(wpa_s, ssid);
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200916 wpa_config_set_network_defaults(ssid);
Jouni Malinen2ff99b32010-07-18 14:30:24 -0700917 ssid->temporary = 1;
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200918 if (wpa_config_set(ssid, "key_mgmt", "WPS", 0) < 0 ||
919 wpa_config_set(ssid, "eap", "WSC", 0) < 0 ||
920 wpa_config_set(ssid, "identity", registrar ?
921 "\"" WSC_ID_REGISTRAR "\"" :
922 "\"" WSC_ID_ENROLLEE "\"", 0) < 0) {
Jouni Malinen8bac4662009-09-13 20:53:32 +0300923 wpas_notify_network_removed(wpa_s, ssid);
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200924 wpa_config_remove_network(wpa_s->conf, ssid->id);
925 return NULL;
926 }
927
928 if (bssid) {
Jouni Malinenb2c5a4a2010-07-18 14:30:24 -0700929#ifndef CONFIG_P2P
Jouni Malinen59f2caa2010-01-02 13:36:12 +0200930 struct wpa_bss *bss;
Jouni Malinenf7e54362009-12-28 16:07:15 +0200931 int count = 0;
Jouni Malinenb2c5a4a2010-07-18 14:30:24 -0700932#endif /* CONFIG_P2P */
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200933
934 os_memcpy(ssid->bssid, bssid, ETH_ALEN);
Jouni Malinen24c23d12008-12-20 22:55:02 +0200935 ssid->bssid_set = 1;
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200936
Jouni Malinenb2c5a4a2010-07-18 14:30:24 -0700937 /*
938 * Note: With P2P, the SSID may change at the time the WPS
939 * provisioning is started, so better not filter the AP based
940 * on the current SSID in the scan results.
941 */
942#ifndef CONFIG_P2P
Jouni Malinen59f2caa2010-01-02 13:36:12 +0200943 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
944 if (os_memcmp(bssid, bss->bssid, ETH_ALEN) != 0)
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200945 continue;
946
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200947 os_free(ssid->ssid);
Jouni Malinen59f2caa2010-01-02 13:36:12 +0200948 ssid->ssid = os_malloc(bss->ssid_len);
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200949 if (ssid->ssid == NULL)
950 break;
Jouni Malinen59f2caa2010-01-02 13:36:12 +0200951 os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len);
952 ssid->ssid_len = bss->ssid_len;
Jouni Malinenf7e54362009-12-28 16:07:15 +0200953 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Picked SSID from "
954 "scan results",
955 ssid->ssid, ssid->ssid_len);
956 count++;
957 }
958
959 if (count > 1) {
960 wpa_printf(MSG_DEBUG, "WPS: More than one SSID found "
961 "for the AP; use wildcard");
962 os_free(ssid->ssid);
963 ssid->ssid = NULL;
964 ssid->ssid_len = 0;
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200965 }
Jouni Malinenb2c5a4a2010-07-18 14:30:24 -0700966#endif /* CONFIG_P2P */
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200967 }
968
969 return ssid;
970}
971
972
Jouni Malinen170f5662013-05-15 16:46:45 +0300973static void wpas_wps_temp_disable(struct wpa_supplicant *wpa_s,
974 struct wpa_ssid *selected)
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200975{
976 struct wpa_ssid *ssid;
977
Jouni Malinend9d87c32011-12-11 18:30:47 +0200978 if (wpa_s->current_ssid)
979 wpa_supplicant_deauthenticate(
980 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
981
Jouni Malinenfcc60db2008-11-29 20:59:45 +0200982 /* Mark all other networks disabled and trigger reassociation */
983 ssid = wpa_s->conf->ssid;
984 while (ssid) {
Jouni Malinen8bac4662009-09-13 20:53:32 +0300985 int was_disabled = ssid->disabled;
Sunil Duttec947ff2012-10-04 21:11:04 +0300986 ssid->disabled_for_connect = 0;
Jayant Sanec2762e42011-06-23 21:25:13 +0300987 /*
988 * In case the network object corresponds to a persistent group
989 * then do not send out network disabled signal. In addition,
990 * do not change disabled status of persistent network objects
991 * from 2 to 1 should we connect to another network.
992 */
993 if (was_disabled != 2) {
994 ssid->disabled = ssid != selected;
Sunil Duttec947ff2012-10-04 21:11:04 +0300995 if (was_disabled != ssid->disabled) {
996 if (ssid->disabled)
997 ssid->disabled_for_connect = 1;
Jayant Sanec2762e42011-06-23 21:25:13 +0300998 wpas_notify_network_enabled_changed(wpa_s,
999 ssid);
Sunil Duttec947ff2012-10-04 21:11:04 +03001000 }
Jayant Sanec2762e42011-06-23 21:25:13 +03001001 }
Jouni Malinenfcc60db2008-11-29 20:59:45 +02001002 ssid = ssid->next;
1003 }
Jouni Malinen170f5662013-05-15 16:46:45 +03001004}
1005
1006
1007static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s,
1008 struct wpa_ssid *selected, const u8 *bssid)
1009{
1010 struct wpa_bss *bss;
1011
1012 wpa_s->after_wps = 0;
1013 wpa_s->known_wps_freq = 0;
1014 if (bssid) {
1015 bss = wpa_bss_get_bssid_latest(wpa_s, bssid);
1016 if (bss && bss->freq > 0) {
1017 wpa_s->known_wps_freq = 1;
1018 wpa_s->wps_freq = bss->freq;
1019 }
1020 }
1021
1022 wpas_wps_temp_disable(wpa_s, selected);
1023
Jouni Malinenfcc60db2008-11-29 20:59:45 +02001024 wpa_s->disconnected = 0;
1025 wpa_s->reassociate = 1;
Jouni Malinena6099152009-01-23 13:10:58 +02001026 wpa_s->scan_runs = 0;
Jouni Malinen0b7a25c2011-11-28 18:36:36 +02001027 wpa_s->normal_scans = 0;
Jouni Malinena6099152009-01-23 13:10:58 +02001028 wpa_s->wps_success = 0;
1029 wpa_s->blacklist_cleared = 0;
Jithu Jance1cba9be2013-11-20 19:20:56 +05301030
1031 wpa_supplicant_cancel_sched_scan(wpa_s);
Jouni Malinenfcc60db2008-11-29 20:59:45 +02001032 wpa_supplicant_req_scan(wpa_s, 0, 0);
1033}
1034
1035
Jouni Malinen9fa243b2010-07-18 14:30:24 -07001036int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
1037 int p2p_group)
Jouni Malinenfcc60db2008-11-29 20:59:45 +02001038{
1039 struct wpa_ssid *ssid;
1040 wpas_clear_wps(wpa_s);
1041 ssid = wpas_wps_add_network(wpa_s, 0, bssid);
1042 if (ssid == NULL)
1043 return -1;
Jouni Malinen9fa243b2010-07-18 14:30:24 -07001044 ssid->temporary = 1;
1045 ssid->p2p_group = p2p_group;
Jouni Malinen812bf562010-09-09 07:20:28 -07001046#ifdef CONFIG_P2P
Jouni Malinene9a7ae42010-08-05 09:15:11 -07001047 if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) {
1048 ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1);
1049 if (ssid->ssid) {
1050 ssid->ssid_len = wpa_s->go_params->ssid_len;
1051 os_memcpy(ssid->ssid, wpa_s->go_params->ssid,
1052 ssid->ssid_len);
1053 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP "
1054 "SSID", ssid->ssid, ssid->ssid_len);
1055 }
1056 }
Jouni Malinen812bf562010-09-09 07:20:28 -07001057#endif /* CONFIG_P2P */
Jouni Malinen9c75e9f2013-01-01 20:30:17 +02001058 if (wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0) < 0)
1059 return -1;
Jouni Malinen42f50262010-07-22 10:24:23 -07001060 if (wpa_s->wps_fragment_size)
1061 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
Jouni Malinenfcc60db2008-11-29 20:59:45 +02001062 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
1063 wpa_s, NULL);
Jouni Malinen1e7fb4f2011-12-31 13:17:20 +02001064 wpas_wps_reassoc(wpa_s, ssid, bssid);
Jouni Malinenfcc60db2008-11-29 20:59:45 +02001065 return 0;
1066}
1067
1068
1069int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
Jouni Malinen3c5126a2010-06-26 22:49:41 -07001070 const char *pin, int p2p_group, u16 dev_pw_id)
Jouni Malinenfcc60db2008-11-29 20:59:45 +02001071{
1072 struct wpa_ssid *ssid;
Masashi Honma46bdb832009-02-26 21:57:38 +02001073 char val[128];
Jouni Malinenfcc60db2008-11-29 20:59:45 +02001074 unsigned int rpin = 0;
1075
1076 wpas_clear_wps(wpa_s);
1077 ssid = wpas_wps_add_network(wpa_s, 0, bssid);
1078 if (ssid == NULL)
1079 return -1;
Jouni Malinen9fa243b2010-07-18 14:30:24 -07001080 ssid->temporary = 1;
1081 ssid->p2p_group = p2p_group;
Jouni Malinen812bf562010-09-09 07:20:28 -07001082#ifdef CONFIG_P2P
Jouni Malinene9a7ae42010-08-05 09:15:11 -07001083 if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) {
1084 ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1);
1085 if (ssid->ssid) {
1086 ssid->ssid_len = wpa_s->go_params->ssid_len;
1087 os_memcpy(ssid->ssid, wpa_s->go_params->ssid,
1088 ssid->ssid_len);
1089 wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP "
1090 "SSID", ssid->ssid, ssid->ssid_len);
1091 }
1092 }
Jouni Malinen812bf562010-09-09 07:20:28 -07001093#endif /* CONFIG_P2P */
Jouni Malinenfcc60db2008-11-29 20:59:45 +02001094 if (pin)
Jouni Malinen3c5126a2010-06-26 22:49:41 -07001095 os_snprintf(val, sizeof(val), "\"pin=%s dev_pw_id=%u\"",
1096 pin, dev_pw_id);
Jouni Malinenfcc60db2008-11-29 20:59:45 +02001097 else {
1098 rpin = wps_generate_pin();
Jouni Malinen3c5126a2010-06-26 22:49:41 -07001099 os_snprintf(val, sizeof(val), "\"pin=%08d dev_pw_id=%u\"",
1100 rpin, dev_pw_id);
Jouni Malinenfcc60db2008-11-29 20:59:45 +02001101 }
Jouni Malinen9c75e9f2013-01-01 20:30:17 +02001102 if (wpa_config_set(ssid, "phase1", val, 0) < 0)
1103 return -1;
Jouni Malinen42f50262010-07-22 10:24:23 -07001104 if (wpa_s->wps_fragment_size)
1105 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
Jouni Malinenfcc60db2008-11-29 20:59:45 +02001106 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
1107 wpa_s, NULL);
Jouni Malinenf9f05262012-08-27 13:48:11 +03001108 wpa_s->wps_ap_iter = 1;
Jouni Malinen1e7fb4f2011-12-31 13:17:20 +02001109 wpas_wps_reassoc(wpa_s, ssid, bssid);
Jouni Malinenfcc60db2008-11-29 20:59:45 +02001110 return rpin;
1111}
1112
1113
Ardong Chen2f9929f2010-09-06 20:51:06 +03001114/* Cancel the wps pbc/pin requests */
1115int wpas_wps_cancel(struct wpa_supplicant *wpa_s)
1116{
1117#ifdef CONFIG_AP
1118 if (wpa_s->ap_iface) {
1119 wpa_printf(MSG_DEBUG, "WPS: Cancelling in AP mode");
1120 return wpa_supplicant_ap_wps_cancel(wpa_s);
1121 }
1122#endif /* CONFIG_AP */
1123
Jouni Malinen476dea22012-06-06 22:07:11 +03001124 if (wpa_s->wpa_state == WPA_SCANNING ||
1125 wpa_s->wpa_state == WPA_DISCONNECTED) {
Ardong Chen2f9929f2010-09-06 20:51:06 +03001126 wpa_printf(MSG_DEBUG, "WPS: Cancel operation - cancel scan");
1127 wpa_supplicant_cancel_scan(wpa_s);
1128 wpas_clear_wps(wpa_s);
1129 } else if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1130 wpa_printf(MSG_DEBUG, "WPS: Cancel operation - "
1131 "deauthenticate");
1132 wpa_supplicant_deauthenticate(wpa_s,
1133 WLAN_REASON_DEAUTH_LEAVING);
1134 wpas_clear_wps(wpa_s);
Sunil Duttec947ff2012-10-04 21:11:04 +03001135 } else {
1136 wpas_wps_reenable_networks(wpa_s);
Jouni Malinenf9f05262012-08-27 13:48:11 +03001137 wpas_wps_clear_ap_info(wpa_s);
Sunil Duttec947ff2012-10-04 21:11:04 +03001138 }
Ardong Chen2f9929f2010-09-06 20:51:06 +03001139
Jouni Malinen72559832013-10-20 21:34:39 +03001140 wpa_s->after_wps = 0;
1141
Ardong Chen2f9929f2010-09-06 20:51:06 +03001142 return 0;
1143}
1144
1145
Jouni Malinenfcc60db2008-11-29 20:59:45 +02001146int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid,
Jouni Malinen52eb2932009-09-06 13:58:15 +03001147 const char *pin, struct wps_new_ap_settings *settings)
Jouni Malinenfcc60db2008-11-29 20:59:45 +02001148{
1149 struct wpa_ssid *ssid;
Jouni Malinen52eb2932009-09-06 13:58:15 +03001150 char val[200];
1151 char *pos, *end;
1152 int res;
Jouni Malinenfcc60db2008-11-29 20:59:45 +02001153
1154 if (!pin)
1155 return -1;
1156 wpas_clear_wps(wpa_s);
1157 ssid = wpas_wps_add_network(wpa_s, 1, bssid);
1158 if (ssid == NULL)
1159 return -1;
Jouni Malinen2ff99b32010-07-18 14:30:24 -07001160 ssid->temporary = 1;
Jouni Malinen52eb2932009-09-06 13:58:15 +03001161 pos = val;
1162 end = pos + sizeof(val);
1163 res = os_snprintf(pos, end - pos, "\"pin=%s", pin);
1164 if (res < 0 || res >= end - pos)
1165 return -1;
1166 pos += res;
1167 if (settings) {
1168 res = os_snprintf(pos, end - pos, " new_ssid=%s new_auth=%s "
1169 "new_encr=%s new_key=%s",
1170 settings->ssid_hex, settings->auth,
1171 settings->encr, settings->key_hex);
1172 if (res < 0 || res >= end - pos)
1173 return -1;
1174 pos += res;
1175 }
1176 res = os_snprintf(pos, end - pos, "\"");
1177 if (res < 0 || res >= end - pos)
1178 return -1;
Jouni Malinen9c75e9f2013-01-01 20:30:17 +02001179 if (wpa_config_set(ssid, "phase1", val, 0) < 0)
1180 return -1;
Jouni Malinen42f50262010-07-22 10:24:23 -07001181 if (wpa_s->wps_fragment_size)
1182 ssid->eap.fragment_size = wpa_s->wps_fragment_size;
Jouni Malinenfcc60db2008-11-29 20:59:45 +02001183 eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
1184 wpa_s, NULL);
Jouni Malinen1e7fb4f2011-12-31 13:17:20 +02001185 wpas_wps_reassoc(wpa_s, ssid, bssid);
Jouni Malinenfcc60db2008-11-29 20:59:45 +02001186 return 0;
1187}
1188
1189
Jouni Malinen52177fb2013-09-01 10:47:34 +03001190static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr,
1191 const u8 *p2p_dev_addr, const u8 *psk,
Jouni Malinenc5adf522009-01-03 20:18:35 +02001192 size_t psk_len)
1193{
Jouni Malinen52177fb2013-09-01 10:47:34 +03001194 if (is_zero_ether_addr(p2p_dev_addr)) {
1195 wpa_printf(MSG_DEBUG,
1196 "Received new WPA/WPA2-PSK from WPS for STA " MACSTR,
1197 MAC2STR(mac_addr));
1198 } else {
1199 wpa_printf(MSG_DEBUG,
1200 "Received new WPA/WPA2-PSK from WPS for STA " MACSTR
1201 " P2P Device Addr " MACSTR,
1202 MAC2STR(mac_addr), MAC2STR(p2p_dev_addr));
1203 }
Jouni Malinenc5adf522009-01-03 20:18:35 +02001204 wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len);
1205
1206 /* TODO */
1207
1208 return 0;
1209}
1210
1211
1212static void wpas_wps_pin_needed_cb(void *ctx, const u8 *uuid_e,
1213 const struct wps_device_data *dev)
1214{
1215 char uuid[40], txt[400];
1216 int len;
Jouni Malinen96750ea2009-11-26 11:39:29 +02001217 char devtype[WPS_DEV_TYPE_BUFSIZE];
Jouni Malinenc5adf522009-01-03 20:18:35 +02001218 if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
1219 return;
1220 wpa_printf(MSG_DEBUG, "WPS: PIN needed for UUID-E %s", uuid);
1221 len = os_snprintf(txt, sizeof(txt), "WPS-EVENT-PIN-NEEDED %s " MACSTR
Jouni Malinen96750ea2009-11-26 11:39:29 +02001222 " [%s|%s|%s|%s|%s|%s]",
Jouni Malinenc5adf522009-01-03 20:18:35 +02001223 uuid, MAC2STR(dev->mac_addr), dev->device_name,
1224 dev->manufacturer, dev->model_name,
1225 dev->model_number, dev->serial_number,
Jouni Malinen96750ea2009-11-26 11:39:29 +02001226 wps_dev_type_bin2str(dev->pri_dev_type, devtype,
1227 sizeof(devtype)));
Jouni Malinenc5adf522009-01-03 20:18:35 +02001228 if (len > 0 && len < (int) sizeof(txt))
1229 wpa_printf(MSG_INFO, "%s", txt);
1230}
1231
1232
Jouni Malinen72df2f52009-11-13 22:07:11 +02001233static void wpas_wps_set_sel_reg_cb(void *ctx, int sel_reg, u16 dev_passwd_id,
1234 u16 sel_reg_config_methods)
1235{
1236#ifdef CONFIG_WPS_ER
1237 struct wpa_supplicant *wpa_s = ctx;
1238
1239 if (wpa_s->wps_er == NULL)
1240 return;
Jouni Malinenad474112010-07-18 22:53:15 -07001241 wpa_printf(MSG_DEBUG, "WPS ER: SetSelectedRegistrar - sel_reg=%d "
1242 "dev_password_id=%u sel_reg_config_methods=0x%x",
1243 sel_reg, dev_passwd_id, sel_reg_config_methods);
Jouni Malinen72df2f52009-11-13 22:07:11 +02001244 wps_er_set_sel_reg(wpa_s->wps_er, sel_reg, dev_passwd_id,
1245 sel_reg_config_methods);
1246#endif /* CONFIG_WPS_ER */
1247}
1248
1249
Jouni Malinen092acb52010-10-16 12:57:47 +03001250static u16 wps_fix_config_methods(u16 config_methods)
1251{
1252#ifdef CONFIG_WPS2
1253 if ((config_methods &
1254 (WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY |
1255 WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) {
1256 wpa_printf(MSG_INFO, "WPS: Converting display to "
1257 "virtual_display for WPS 2.0 compliance");
1258 config_methods |= WPS_CONFIG_VIRT_DISPLAY;
1259 }
1260 if ((config_methods &
1261 (WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_VIRT_PUSHBUTTON |
1262 WPS_CONFIG_PHY_PUSHBUTTON)) == WPS_CONFIG_PUSHBUTTON) {
1263 wpa_printf(MSG_INFO, "WPS: Converting push_button to "
1264 "virtual_push_button for WPS 2.0 compliance");
1265 config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON;
1266 }
1267#endif /* CONFIG_WPS2 */
1268
1269 return config_methods;
1270}
1271
1272
Jouni Malinen85a821d2011-03-17 18:07:00 +02001273static void wpas_wps_set_uuid(struct wpa_supplicant *wpa_s,
1274 struct wps_context *wps)
1275{
Jouni Malinenef93abd2013-12-30 16:50:08 +02001276 char buf[50];
1277 const char *src;
1278
Jouni Malinen85a821d2011-03-17 18:07:00 +02001279 if (is_nil_uuid(wpa_s->conf->uuid)) {
1280 struct wpa_supplicant *first;
1281 first = wpa_s->global->ifaces;
1282 while (first && first->next)
1283 first = first->next;
1284 if (first && first != wpa_s) {
Ben Greear157cdad2012-05-10 10:56:51 +03001285 if (wps != wpa_s->global->ifaces->wps)
1286 os_memcpy(wps->uuid,
1287 wpa_s->global->ifaces->wps->uuid,
1288 WPS_UUID_LEN);
Jouni Malinenef93abd2013-12-30 16:50:08 +02001289 src = "from the first interface";
Jouni Malinen85a821d2011-03-17 18:07:00 +02001290 } else {
1291 uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid);
Jouni Malinenef93abd2013-12-30 16:50:08 +02001292 src = "based on MAC address";
Jouni Malinen85a821d2011-03-17 18:07:00 +02001293 }
1294 } else {
1295 os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
Jouni Malinenef93abd2013-12-30 16:50:08 +02001296 src = "based on configuration";
Jouni Malinen85a821d2011-03-17 18:07:00 +02001297 }
Jouni Malinenef93abd2013-12-30 16:50:08 +02001298
1299 uuid_bin2str(wps->uuid, buf, sizeof(buf));
1300 wpa_dbg(wpa_s, MSG_DEBUG, "WPS: UUID %s: %s", src, buf);
Jouni Malinen85a821d2011-03-17 18:07:00 +02001301}
1302
1303
Anirban Sirkhell71dd3b72012-04-04 00:08:57 +03001304static void wpas_wps_set_vendor_ext_m1(struct wpa_supplicant *wpa_s,
1305 struct wps_context *wps)
1306{
1307 wpabuf_free(wps->dev.vendor_ext_m1);
1308 wps->dev.vendor_ext_m1 = NULL;
1309
1310 if (wpa_s->conf->wps_vendor_ext_m1) {
1311 wps->dev.vendor_ext_m1 =
1312 wpabuf_dup(wpa_s->conf->wps_vendor_ext_m1);
1313 if (!wps->dev.vendor_ext_m1) {
1314 wpa_printf(MSG_ERROR, "WPS: Cannot "
1315 "allocate memory for vendor_ext_m1");
1316 }
1317 }
1318}
1319
1320
Jouni Malinen116654c2008-11-28 20:32:13 +02001321int wpas_wps_init(struct wpa_supplicant *wpa_s)
1322{
1323 struct wps_context *wps;
Jouni Malinenc5adf522009-01-03 20:18:35 +02001324 struct wps_registrar_config rcfg;
Bharat Chakravarty6fb6d842011-08-31 17:53:55 +03001325 struct hostapd_hw_modes *modes;
Christian Lamparter6bf731e2011-10-23 11:58:54 +03001326 u16 m;
Jouni Malinen116654c2008-11-28 20:32:13 +02001327
1328 wps = os_zalloc(sizeof(*wps));
1329 if (wps == NULL)
1330 return -1;
1331
1332 wps->cred_cb = wpa_supplicant_wps_cred;
Jouni Malinen4b682902008-12-18 21:58:42 +02001333 wps->event_cb = wpa_supplicant_wps_event;
David Spinadel239abaf2013-08-25 10:55:53 +03001334 wps->rf_band_cb = wpa_supplicant_wps_rf_band;
Jouni Malinen116654c2008-11-28 20:32:13 +02001335 wps->cb_ctx = wpa_s;
1336
Jouni Malinen3c0b7aa2008-12-13 17:20:46 +02001337 wps->dev.device_name = wpa_s->conf->device_name;
1338 wps->dev.manufacturer = wpa_s->conf->manufacturer;
1339 wps->dev.model_name = wpa_s->conf->model_name;
1340 wps->dev.model_number = wpa_s->conf->model_number;
1341 wps->dev.serial_number = wpa_s->conf->serial_number;
Jouni Malinenc0e4dd92009-12-21 15:59:25 +02001342 wps->config_methods =
1343 wps_config_methods_str2bin(wpa_s->conf->config_methods);
Jouni Malinen979b9882010-07-17 20:30:49 -07001344 if ((wps->config_methods & (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
1345 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
1346 wpa_printf(MSG_ERROR, "WPS: Both Label and Display config "
1347 "methods are not allowed at the same time");
1348 os_free(wps);
1349 return -1;
1350 }
Jouni Malinen092acb52010-10-16 12:57:47 +03001351 wps->config_methods = wps_fix_config_methods(wps->config_methods);
Bharat Chakravartya9355fa2011-09-01 15:24:45 +03001352 wps->dev.config_methods = wps->config_methods;
Johannes Berg2f646b62011-03-17 18:50:22 +02001353 os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type,
1354 WPS_DEV_TYPE_LEN);
Jean-Michel Bachota9e86bf2011-03-17 11:09:49 +02001355
Johannes Berg2f646b62011-03-17 18:50:22 +02001356 wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
1357 os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type,
1358 WPS_DEV_TYPE_LEN * wps->dev.num_sec_dev_types);
Jean-Michel Bachota9e86bf2011-03-17 11:09:49 +02001359
Anirban Sirkhell71dd3b72012-04-04 00:08:57 +03001360 wpas_wps_set_vendor_ext_m1(wpa_s, wps);
1361
Jouni Malinen3c0b7aa2008-12-13 17:20:46 +02001362 wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
Christian Lamparter6bf731e2011-10-23 11:58:54 +03001363 modes = wpa_s->hw.modes;
Bharat Chakravarty6fb6d842011-08-31 17:53:55 +03001364 if (modes) {
Christian Lamparter6bf731e2011-10-23 11:58:54 +03001365 for (m = 0; m < wpa_s->hw.num_modes; m++) {
Bharat Chakravarty6fb6d842011-08-31 17:53:55 +03001366 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B ||
1367 modes[m].mode == HOSTAPD_MODE_IEEE80211G)
1368 wps->dev.rf_bands |= WPS_RF_24GHZ;
1369 else if (modes[m].mode == HOSTAPD_MODE_IEEE80211A)
1370 wps->dev.rf_bands |= WPS_RF_50GHZ;
1371 }
Bharat Chakravarty6fb6d842011-08-31 17:53:55 +03001372 }
1373 if (wps->dev.rf_bands == 0) {
1374 /*
1375 * Default to claiming support for both bands if the driver
1376 * does not provide support for fetching supported bands.
1377 */
1378 wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ;
1379 }
Jouni Malinen398cfbf2008-11-28 20:44:47 +02001380 os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN);
Jouni Malinen85a821d2011-03-17 18:07:00 +02001381 wpas_wps_set_uuid(wpa_s, wps);
Jouni Malinen116654c2008-11-28 20:32:13 +02001382
Jouni Malinenc5adf522009-01-03 20:18:35 +02001383 wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK;
1384 wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP;
1385
1386 os_memset(&rcfg, 0, sizeof(rcfg));
1387 rcfg.new_psk_cb = wpas_wps_new_psk_cb;
1388 rcfg.pin_needed_cb = wpas_wps_pin_needed_cb;
Jouni Malinen72df2f52009-11-13 22:07:11 +02001389 rcfg.set_sel_reg_cb = wpas_wps_set_sel_reg_cb;
Jouni Malinenc5adf522009-01-03 20:18:35 +02001390 rcfg.cb_ctx = wpa_s;
1391
1392 wps->registrar = wps_registrar_init(wps, &rcfg);
1393 if (wps->registrar == NULL) {
1394 wpa_printf(MSG_DEBUG, "Failed to initialize WPS Registrar");
1395 os_free(wps);
1396 return -1;
1397 }
1398
Jouni Malinen116654c2008-11-28 20:32:13 +02001399 wpa_s->wps = wps;
1400
1401 return 0;
1402}
1403
1404
1405void wpas_wps_deinit(struct wpa_supplicant *wpa_s)
1406{
Jouni Malinenfcc60db2008-11-29 20:59:45 +02001407 eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
Jouni Malinen2e145e92013-08-23 17:43:01 +03001408 eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL);
Sunil Duttec947ff2012-10-04 21:11:04 +03001409 eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL);
Jouni Malinenf9f05262012-08-27 13:48:11 +03001410 wpas_wps_clear_ap_info(wpa_s);
Jouni Malinenfcc60db2008-11-29 20:59:45 +02001411
Jouni Malinen116654c2008-11-28 20:32:13 +02001412 if (wpa_s->wps == NULL)
1413 return;
1414
Jouni Malinena6b63072009-11-15 22:52:17 +02001415#ifdef CONFIG_WPS_ER
Jouni Malinen1a1bf002009-12-19 23:47:54 +02001416 wps_er_deinit(wpa_s->wps_er, NULL, NULL);
Jouni Malinena6b63072009-11-15 22:52:17 +02001417 wpa_s->wps_er = NULL;
1418#endif /* CONFIG_WPS_ER */
1419
Jouni Malinenc5adf522009-01-03 20:18:35 +02001420 wps_registrar_deinit(wpa_s->wps->registrar);
Masashi Honma46bdb832009-02-26 21:57:38 +02001421 wpabuf_free(wpa_s->wps->dh_pubkey);
1422 wpabuf_free(wpa_s->wps->dh_privkey);
Anirban Sirkhell71dd3b72012-04-04 00:08:57 +03001423 wpabuf_free(wpa_s->wps->dev.vendor_ext_m1);
Jouni Malinen116654c2008-11-28 20:32:13 +02001424 os_free(wpa_s->wps->network_key);
1425 os_free(wpa_s->wps);
1426 wpa_s->wps = NULL;
1427}
Jouni Malinen351f09a2008-11-29 22:06:34 +02001428
1429
Jouni Malinena6099152009-01-23 13:10:58 +02001430int wpas_wps_ssid_bss_match(struct wpa_supplicant *wpa_s,
Jouni Malinen620c7832012-09-02 19:56:57 +03001431 struct wpa_ssid *ssid, struct wpa_bss *bss)
Jouni Malinen351f09a2008-11-29 22:06:34 +02001432{
1433 struct wpabuf *wps_ie;
1434
1435 if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS))
1436 return -1;
1437
Jouni Malinen620c7832012-09-02 19:56:57 +03001438 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
Jouni Malinen351f09a2008-11-29 22:06:34 +02001439 if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
1440 if (!wps_ie) {
1441 wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
1442 return 0;
1443 }
1444
1445 if (!wps_is_selected_pbc_registrar(wps_ie)) {
1446 wpa_printf(MSG_DEBUG, " skip - WPS AP "
1447 "without active PBC Registrar");
1448 wpabuf_free(wps_ie);
1449 return 0;
1450 }
1451
1452 /* TODO: overlap detection */
1453 wpa_printf(MSG_DEBUG, " selected based on WPS IE "
1454 "(Active PBC)");
1455 wpabuf_free(wps_ie);
1456 return 1;
1457 }
1458
1459 if (eap_is_wps_pin_enrollee(&ssid->eap)) {
1460 if (!wps_ie) {
1461 wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
1462 return 0;
1463 }
1464
Jouni Malinena6099152009-01-23 13:10:58 +02001465 /*
Jouni Malinen31fcea92009-12-12 16:40:10 +02001466 * Start with WPS APs that advertise our address as an
1467 * authorized MAC (v2.0) or active PIN Registrar (v1.0) and
1468 * allow any WPS AP after couple of scans since some APs do not
1469 * set Selected Registrar attribute properly when using
1470 * external Registrar.
Jouni Malinena6099152009-01-23 13:10:58 +02001471 */
Jouni Malinen31fcea92009-12-12 16:40:10 +02001472 if (!wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1)) {
Jouni Malinena6099152009-01-23 13:10:58 +02001473 if (wpa_s->scan_runs < WPS_PIN_SCAN_IGNORE_SEL_REG) {
1474 wpa_printf(MSG_DEBUG, " skip - WPS AP "
1475 "without active PIN Registrar");
1476 wpabuf_free(wps_ie);
1477 return 0;
1478 }
1479 wpa_printf(MSG_DEBUG, " selected based on WPS IE");
1480 } else {
1481 wpa_printf(MSG_DEBUG, " selected based on WPS IE "
Jouni Malinen31fcea92009-12-12 16:40:10 +02001482 "(Authorized MAC or Active PIN)");
Jouni Malinen351f09a2008-11-29 22:06:34 +02001483 }
Jouni Malinen351f09a2008-11-29 22:06:34 +02001484 wpabuf_free(wps_ie);
1485 return 1;
1486 }
1487
1488 if (wps_ie) {
1489 wpa_printf(MSG_DEBUG, " selected based on WPS IE");
1490 wpabuf_free(wps_ie);
1491 return 1;
1492 }
1493
1494 return -1;
1495}
1496
1497
Jouni Malinena6099152009-01-23 13:10:58 +02001498int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s,
1499 struct wpa_ssid *ssid,
Jouni Malinen620c7832012-09-02 19:56:57 +03001500 struct wpa_bss *bss)
Jouni Malinen351f09a2008-11-29 22:06:34 +02001501{
1502 struct wpabuf *wps_ie = NULL;
1503 int ret = 0;
1504
1505 if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
Jouni Malinen620c7832012-09-02 19:56:57 +03001506 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
Jouni Malinen351f09a2008-11-29 22:06:34 +02001507 if (wps_ie && wps_is_selected_pbc_registrar(wps_ie)) {
1508 /* allow wildcard SSID for WPS PBC */
1509 ret = 1;
1510 }
1511 } else if (eap_is_wps_pin_enrollee(&ssid->eap)) {
Jouni Malinen620c7832012-09-02 19:56:57 +03001512 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
Jouni Malinena6099152009-01-23 13:10:58 +02001513 if (wps_ie &&
Jouni Malinen31fcea92009-12-12 16:40:10 +02001514 (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1) ||
Jouni Malinena6099152009-01-23 13:10:58 +02001515 wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) {
Jouni Malinen351f09a2008-11-29 22:06:34 +02001516 /* allow wildcard SSID for WPS PIN */
1517 ret = 1;
1518 }
1519 }
1520
Jouni Malinen24c23d12008-12-20 22:55:02 +02001521 if (!ret && ssid->bssid_set &&
1522 os_memcmp(ssid->bssid, bss->bssid, ETH_ALEN) == 0) {
1523 /* allow wildcard SSID due to hardcoded BSSID match */
1524 ret = 1;
1525 }
1526
Jouni Malinen54f489b2010-05-26 17:16:14 +03001527#ifdef CONFIG_WPS_STRICT
1528 if (wps_ie) {
1529 if (wps_validate_beacon_probe_resp(wps_ie, bss->beacon_ie_len >
Jouni Malinenff28cca2010-09-20 14:54:22 -07001530 0, bss->bssid) < 0)
Jouni Malinen54f489b2010-05-26 17:16:14 +03001531 ret = 0;
1532 if (bss->beacon_ie_len) {
1533 struct wpabuf *bcn_wps;
Jouni Malinen620c7832012-09-02 19:56:57 +03001534 bcn_wps = wpa_bss_get_vendor_ie_multi_beacon(
Jouni Malinen54f489b2010-05-26 17:16:14 +03001535 bss, WPS_IE_VENDOR_TYPE);
1536 if (bcn_wps == NULL) {
1537 wpa_printf(MSG_DEBUG, "WPS: Mandatory WPS IE "
1538 "missing from AP Beacon");
1539 ret = 0;
1540 } else {
1541 if (wps_validate_beacon(wps_ie) < 0)
1542 ret = 0;
1543 wpabuf_free(bcn_wps);
1544 }
1545 }
1546 }
1547#endif /* CONFIG_WPS_STRICT */
1548
Jouni Malinen351f09a2008-11-29 22:06:34 +02001549 wpabuf_free(wps_ie);
1550
1551 return ret;
1552}
1553
1554
1555int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s,
Jouni Malinen6fa81a32010-01-02 16:16:02 +02001556 struct wpa_bss *selected, struct wpa_ssid *ssid)
Jouni Malinen351f09a2008-11-29 22:06:34 +02001557{
1558 const u8 *sel_uuid, *uuid;
Jouni Malinen351f09a2008-11-29 22:06:34 +02001559 struct wpabuf *wps_ie;
1560 int ret = 0;
Jouni Malinen6fa81a32010-01-02 16:16:02 +02001561 struct wpa_bss *bss;
Jouni Malinen351f09a2008-11-29 22:06:34 +02001562
1563 if (!eap_is_wps_pbc_enrollee(&ssid->eap))
1564 return 0;
1565
Jouni Malinen96471202010-09-20 15:08:52 -07001566 wpa_printf(MSG_DEBUG, "WPS: Check whether PBC session overlap is "
1567 "present in scan results; selected BSSID " MACSTR,
1568 MAC2STR(selected->bssid));
1569
Jouni Malinen351f09a2008-11-29 22:06:34 +02001570 /* Make sure that only one AP is in active PBC mode */
Jouni Malinen6fa81a32010-01-02 16:16:02 +02001571 wps_ie = wpa_bss_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE);
Jouni Malinen96471202010-09-20 15:08:52 -07001572 if (wps_ie) {
Jouni Malinen351f09a2008-11-29 22:06:34 +02001573 sel_uuid = wps_get_uuid_e(wps_ie);
Jouni Malinen96471202010-09-20 15:08:52 -07001574 wpa_hexdump(MSG_DEBUG, "WPS: UUID of the selected BSS",
1575 sel_uuid, UUID_LEN);
1576 } else {
1577 wpa_printf(MSG_DEBUG, "WPS: Selected BSS does not include "
1578 "WPS IE?!");
Jouni Malinen351f09a2008-11-29 22:06:34 +02001579 sel_uuid = NULL;
Jouni Malinen96471202010-09-20 15:08:52 -07001580 }
Jouni Malinen351f09a2008-11-29 22:06:34 +02001581
Jouni Malinen6fa81a32010-01-02 16:16:02 +02001582 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
Jouni Malinen351f09a2008-11-29 22:06:34 +02001583 struct wpabuf *ie;
1584 if (bss == selected)
1585 continue;
Jouni Malinen6fa81a32010-01-02 16:16:02 +02001586 ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
Jouni Malinen351f09a2008-11-29 22:06:34 +02001587 if (!ie)
1588 continue;
1589 if (!wps_is_selected_pbc_registrar(ie)) {
1590 wpabuf_free(ie);
1591 continue;
1592 }
Jouni Malinen96471202010-09-20 15:08:52 -07001593 wpa_printf(MSG_DEBUG, "WPS: Another BSS in active PBC mode: "
1594 MACSTR, MAC2STR(bss->bssid));
Jouni Malinen351f09a2008-11-29 22:06:34 +02001595 uuid = wps_get_uuid_e(ie);
Jouni Malinen96471202010-09-20 15:08:52 -07001596 wpa_hexdump(MSG_DEBUG, "WPS: UUID of the other BSS",
1597 uuid, UUID_LEN);
Jouni Malinen44cd4302008-12-21 17:28:01 +02001598 if (sel_uuid == NULL || uuid == NULL ||
Jouni Malinen96471202010-09-20 15:08:52 -07001599 os_memcmp(sel_uuid, uuid, UUID_LEN) != 0) {
Jouni Malinen351f09a2008-11-29 22:06:34 +02001600 ret = 1; /* PBC overlap */
Jouni Malinen96471202010-09-20 15:08:52 -07001601 wpa_msg(wpa_s, MSG_INFO, "WPS: PBC overlap detected: "
1602 MACSTR " and " MACSTR,
1603 MAC2STR(selected->bssid),
1604 MAC2STR(bss->bssid));
Jouni Malinen351f09a2008-11-29 22:06:34 +02001605 wpabuf_free(ie);
1606 break;
1607 }
1608
1609 /* TODO: verify that this is reasonable dual-band situation */
Jouni Malinen484957a2008-12-15 19:50:53 +02001610
1611 wpabuf_free(ie);
Jouni Malinen351f09a2008-11-29 22:06:34 +02001612 }
1613
1614 wpabuf_free(wps_ie);
1615
1616 return ret;
1617}
Jouni Malinena524f052008-12-15 20:09:57 +02001618
1619
1620void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s)
1621{
Jouni Malinen6fa81a32010-01-02 16:16:02 +02001622 struct wpa_bss *bss;
Jouni Malinen6c6ad812011-01-05 11:49:03 +02001623 unsigned int pbc = 0, auth = 0, pin = 0, wps = 0;
Jouni Malinena524f052008-12-15 20:09:57 +02001624
1625 if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED)
1626 return;
1627
Jouni Malinen6fa81a32010-01-02 16:16:02 +02001628 dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
Jouni Malinena524f052008-12-15 20:09:57 +02001629 struct wpabuf *ie;
Jouni Malinen6fa81a32010-01-02 16:16:02 +02001630 ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
Jouni Malinena524f052008-12-15 20:09:57 +02001631 if (!ie)
1632 continue;
1633 if (wps_is_selected_pbc_registrar(ie))
Jouni Malinen6c6ad812011-01-05 11:49:03 +02001634 pbc++;
Jouni Malinen31fcea92009-12-12 16:40:10 +02001635 else if (wps_is_addr_authorized(ie, wpa_s->own_addr, 0))
Jouni Malinen6c6ad812011-01-05 11:49:03 +02001636 auth++;
Jouni Malinena524f052008-12-15 20:09:57 +02001637 else if (wps_is_selected_pin_registrar(ie))
Jouni Malinen6c6ad812011-01-05 11:49:03 +02001638 pin++;
Jouni Malinena524f052008-12-15 20:09:57 +02001639 else
Jouni Malinen6c6ad812011-01-05 11:49:03 +02001640 wps++;
Jouni Malinena524f052008-12-15 20:09:57 +02001641 wpabuf_free(ie);
Jouni Malinena524f052008-12-15 20:09:57 +02001642 }
Jouni Malinen6c6ad812011-01-05 11:49:03 +02001643
1644 if (pbc)
1645 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PBC);
1646 else if (auth)
1647 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_AUTH);
1648 else if (pin)
1649 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PIN);
1650 else if (wps)
1651 wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE);
Jouni Malinena524f052008-12-15 20:09:57 +02001652}
Jouni Malinen24c23d12008-12-20 22:55:02 +02001653
1654
1655int wpas_wps_searching(struct wpa_supplicant *wpa_s)
1656{
1657 struct wpa_ssid *ssid;
1658
1659 for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1660 if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && !ssid->disabled)
1661 return 1;
1662 }
1663
1664 return 0;
1665}
Jouni Malinen611ed492009-09-11 17:14:49 +03001666
1667
1668int wpas_wps_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
1669 char *end)
1670{
1671 struct wpabuf *wps_ie;
1672 int ret;
1673
1674 wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len, WPS_DEV_OUI_WFA);
1675 if (wps_ie == NULL)
1676 return 0;
1677
1678 ret = wps_attr_text(wps_ie, buf, end);
1679 wpabuf_free(wps_ie);
1680 return ret;
1681}
Jouni Malinene9bcfeb2009-11-07 12:41:01 +02001682
1683
Jouni Malinen08486682010-05-27 15:23:55 +03001684int wpas_wps_er_start(struct wpa_supplicant *wpa_s, const char *filter)
Jouni Malinene9bcfeb2009-11-07 12:41:01 +02001685{
1686#ifdef CONFIG_WPS_ER
1687 if (wpa_s->wps_er) {
Jouni Malinenb3f371c2009-11-20 21:57:30 +02001688 wps_er_refresh(wpa_s->wps_er);
Jouni Malinene9bcfeb2009-11-07 12:41:01 +02001689 return 0;
1690 }
Jouni Malinen08486682010-05-27 15:23:55 +03001691 wpa_s->wps_er = wps_er_init(wpa_s->wps, wpa_s->ifname, filter);
Jouni Malinene9bcfeb2009-11-07 12:41:01 +02001692 if (wpa_s->wps_er == NULL)
1693 return -1;
1694 return 0;
1695#else /* CONFIG_WPS_ER */
1696 return 0;
1697#endif /* CONFIG_WPS_ER */
1698}
1699
1700
1701int wpas_wps_er_stop(struct wpa_supplicant *wpa_s)
1702{
1703#ifdef CONFIG_WPS_ER
Jouni Malinen1a1bf002009-12-19 23:47:54 +02001704 wps_er_deinit(wpa_s->wps_er, NULL, NULL);
Jouni Malinene9bcfeb2009-11-07 12:41:01 +02001705 wpa_s->wps_er = NULL;
1706#endif /* CONFIG_WPS_ER */
1707 return 0;
1708}
Jouni Malinen72df2f52009-11-13 22:07:11 +02001709
1710
1711#ifdef CONFIG_WPS_ER
Jouni Malinen31fcea92009-12-12 16:40:10 +02001712int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const u8 *addr,
1713 const char *uuid, const char *pin)
Jouni Malinen72df2f52009-11-13 22:07:11 +02001714{
1715 u8 u[UUID_LEN];
Jouni Malinene2054012013-04-01 20:52:44 +03001716 const u8 *use_uuid = NULL;
1717 u8 addr_buf[ETH_ALEN];
Jouni Malinen72df2f52009-11-13 22:07:11 +02001718
Jouni Malinene2054012013-04-01 20:52:44 +03001719 if (os_strcmp(uuid, "any") == 0) {
1720 } else if (uuid_str2bin(uuid, u) == 0) {
1721 use_uuid = u;
1722 } else if (hwaddr_aton(uuid, addr_buf) == 0) {
1723 use_uuid = wps_er_get_sta_uuid(wpa_s->wps_er, addr_buf);
1724 if (use_uuid == NULL)
1725 return -1;
1726 } else
Jouni Malinen72df2f52009-11-13 22:07:11 +02001727 return -1;
Jouni Malinen31fcea92009-12-12 16:40:10 +02001728 return wps_registrar_add_pin(wpa_s->wps->registrar, addr,
Jouni Malinene2054012013-04-01 20:52:44 +03001729 use_uuid,
Jouni Malinen72df2f52009-11-13 22:07:11 +02001730 (const u8 *) pin, os_strlen(pin), 300);
1731}
Jouni Malinen564cd7f2009-11-15 18:46:03 +02001732
1733
1734int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid)
1735{
Jouni Malinene2054012013-04-01 20:52:44 +03001736 u8 u[UUID_LEN], *use_uuid = NULL;
1737 u8 addr[ETH_ALEN], *use_addr = NULL;
Jouni Malinen564cd7f2009-11-15 18:46:03 +02001738
Jouni Malinene2054012013-04-01 20:52:44 +03001739 if (uuid_str2bin(uuid, u) == 0)
1740 use_uuid = u;
1741 else if (hwaddr_aton(uuid, addr) == 0)
1742 use_addr = addr;
1743 else
Jouni Malinen564cd7f2009-11-15 18:46:03 +02001744 return -1;
Jouni Malinene2054012013-04-01 20:52:44 +03001745 return wps_er_pbc(wpa_s->wps_er, use_uuid, use_addr);
Jouni Malinen564cd7f2009-11-15 18:46:03 +02001746}
Jouni Malinene64dcfd2009-11-15 22:27:06 +02001747
1748
1749int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid,
1750 const char *pin)
1751{
Jouni Malinen59307b32013-04-01 20:32:09 +03001752 u8 u[UUID_LEN], *use_uuid = NULL;
1753 u8 addr[ETH_ALEN], *use_addr = NULL;
Jouni Malinene64dcfd2009-11-15 22:27:06 +02001754
Jouni Malinen59307b32013-04-01 20:32:09 +03001755 if (uuid_str2bin(uuid, u) == 0)
1756 use_uuid = u;
1757 else if (hwaddr_aton(uuid, addr) == 0)
1758 use_addr = addr;
1759 else
Jouni Malinene64dcfd2009-11-15 22:27:06 +02001760 return -1;
Jouni Malinen59307b32013-04-01 20:32:09 +03001761
1762 return wps_er_learn(wpa_s->wps_er, use_uuid, use_addr, (const u8 *) pin,
Jouni Malinene64dcfd2009-11-15 22:27:06 +02001763 os_strlen(pin));
1764}
Jouni Malinen1a1bf002009-12-19 23:47:54 +02001765
1766
Jouni Malinen88c8bf32013-04-01 21:28:57 +03001767static int wpas_wps_network_to_cred(struct wpa_ssid *ssid,
1768 struct wps_credential *cred)
1769{
1770 os_memset(cred, 0, sizeof(*cred));
1771 if (ssid->ssid_len > 32)
1772 return -1;
1773 os_memcpy(cred->ssid, ssid->ssid, ssid->ssid_len);
1774 cred->ssid_len = ssid->ssid_len;
1775 if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) {
1776 cred->auth_type = (ssid->proto & WPA_PROTO_RSN) ?
1777 WPS_AUTH_WPA2PSK : WPS_AUTH_WPAPSK;
1778 if (ssid->pairwise_cipher & WPA_CIPHER_CCMP)
1779 cred->encr_type = WPS_ENCR_AES;
1780 else
1781 cred->encr_type = WPS_ENCR_TKIP;
1782 if (ssid->passphrase) {
1783 cred->key_len = os_strlen(ssid->passphrase);
1784 if (cred->key_len >= 64)
1785 return -1;
1786 os_memcpy(cred->key, ssid->passphrase, cred->key_len);
1787 } else if (ssid->psk_set) {
1788 cred->key_len = 32;
1789 os_memcpy(cred->key, ssid->psk, 32);
1790 } else
1791 return -1;
1792 } else {
1793 cred->auth_type = WPS_AUTH_OPEN;
1794 cred->encr_type = WPS_ENCR_NONE;
1795 }
1796
1797 return 0;
1798}
1799
1800
Jouni Malinenef10f472010-10-20 13:37:01 +03001801int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid,
1802 int id)
1803{
Jouni Malinen59307b32013-04-01 20:32:09 +03001804 u8 u[UUID_LEN], *use_uuid = NULL;
1805 u8 addr[ETH_ALEN], *use_addr = NULL;
Jouni Malinenef10f472010-10-20 13:37:01 +03001806 struct wpa_ssid *ssid;
1807 struct wps_credential cred;
1808
Jouni Malinen59307b32013-04-01 20:32:09 +03001809 if (uuid_str2bin(uuid, u) == 0)
1810 use_uuid = u;
1811 else if (hwaddr_aton(uuid, addr) == 0)
1812 use_addr = addr;
1813 else
Jouni Malinenef10f472010-10-20 13:37:01 +03001814 return -1;
1815 ssid = wpa_config_get_network(wpa_s->conf, id);
1816 if (ssid == NULL || ssid->ssid == NULL)
1817 return -1;
1818
Jouni Malinen88c8bf32013-04-01 21:28:57 +03001819 if (wpas_wps_network_to_cred(ssid, &cred) < 0)
Jouni Malinenef10f472010-10-20 13:37:01 +03001820 return -1;
Jouni Malinen59307b32013-04-01 20:32:09 +03001821 return wps_er_set_config(wpa_s->wps_er, use_uuid, use_addr, &cred);
Jouni Malinenef10f472010-10-20 13:37:01 +03001822}
1823
1824
Jouni Malinen7d6640a2010-05-28 00:01:48 +03001825int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid,
1826 const char *pin, struct wps_new_ap_settings *settings)
1827{
Jouni Malinen59307b32013-04-01 20:32:09 +03001828 u8 u[UUID_LEN], *use_uuid = NULL;
1829 u8 addr[ETH_ALEN], *use_addr = NULL;
Jouni Malinen7d6640a2010-05-28 00:01:48 +03001830 struct wps_credential cred;
1831 size_t len;
1832
Jouni Malinen59307b32013-04-01 20:32:09 +03001833 if (uuid_str2bin(uuid, u) == 0)
1834 use_uuid = u;
1835 else if (hwaddr_aton(uuid, addr) == 0)
1836 use_addr = addr;
1837 else
Jouni Malinen7d6640a2010-05-28 00:01:48 +03001838 return -1;
1839 if (settings->ssid_hex == NULL || settings->auth == NULL ||
1840 settings->encr == NULL || settings->key_hex == NULL)
1841 return -1;
1842
1843 os_memset(&cred, 0, sizeof(cred));
1844 len = os_strlen(settings->ssid_hex);
1845 if ((len & 1) || len > 2 * sizeof(cred.ssid) ||
1846 hexstr2bin(settings->ssid_hex, cred.ssid, len / 2))
1847 return -1;
1848 cred.ssid_len = len / 2;
1849
1850 len = os_strlen(settings->key_hex);
1851 if ((len & 1) || len > 2 * sizeof(cred.key) ||
1852 hexstr2bin(settings->key_hex, cred.key, len / 2))
1853 return -1;
1854 cred.key_len = len / 2;
1855
1856 if (os_strcmp(settings->auth, "OPEN") == 0)
1857 cred.auth_type = WPS_AUTH_OPEN;
1858 else if (os_strcmp(settings->auth, "WPAPSK") == 0)
1859 cred.auth_type = WPS_AUTH_WPAPSK;
1860 else if (os_strcmp(settings->auth, "WPA2PSK") == 0)
1861 cred.auth_type = WPS_AUTH_WPA2PSK;
1862 else
1863 return -1;
1864
1865 if (os_strcmp(settings->encr, "NONE") == 0)
1866 cred.encr_type = WPS_ENCR_NONE;
1867 else if (os_strcmp(settings->encr, "WEP") == 0)
1868 cred.encr_type = WPS_ENCR_WEP;
1869 else if (os_strcmp(settings->encr, "TKIP") == 0)
1870 cred.encr_type = WPS_ENCR_TKIP;
1871 else if (os_strcmp(settings->encr, "CCMP") == 0)
1872 cred.encr_type = WPS_ENCR_AES;
1873 else
1874 return -1;
1875
Jouni Malinen59307b32013-04-01 20:32:09 +03001876 return wps_er_config(wpa_s->wps_er, use_uuid, use_addr,
1877 (const u8 *) pin, os_strlen(pin), &cred);
Jouni Malinen7d6640a2010-05-28 00:01:48 +03001878}
1879
1880
Jouni Malinen1cea09a2012-06-28 16:35:51 +03001881#ifdef CONFIG_WPS_NFC
1882struct wpabuf * wpas_wps_er_nfc_config_token(struct wpa_supplicant *wpa_s,
1883 int ndef, const char *uuid)
1884{
1885 struct wpabuf *ret;
Jouni Malinen59307b32013-04-01 20:32:09 +03001886 u8 u[UUID_LEN], *use_uuid = NULL;
1887 u8 addr[ETH_ALEN], *use_addr = NULL;
Jouni Malinen1cea09a2012-06-28 16:35:51 +03001888
1889 if (!wpa_s->wps_er)
1890 return NULL;
1891
Jouni Malinen59307b32013-04-01 20:32:09 +03001892 if (uuid_str2bin(uuid, u) == 0)
1893 use_uuid = u;
1894 else if (hwaddr_aton(uuid, addr) == 0)
1895 use_addr = addr;
1896 else
Jouni Malinen1cea09a2012-06-28 16:35:51 +03001897 return NULL;
1898
Jouni Malinen59307b32013-04-01 20:32:09 +03001899 ret = wps_er_nfc_config_token(wpa_s->wps_er, use_uuid, use_addr);
Jouni Malinen1cea09a2012-06-28 16:35:51 +03001900 if (ndef && ret) {
1901 struct wpabuf *tmp;
1902 tmp = ndef_build_wifi(ret);
1903 wpabuf_free(ret);
1904 if (tmp == NULL)
1905 return NULL;
1906 ret = tmp;
1907 }
1908
1909 return ret;
1910}
1911#endif /* CONFIG_WPS_NFC */
1912
1913
Ben Greear4c9695b2011-02-21 21:47:46 +02001914static int callbacks_pending = 0;
1915
Jouni Malinen1a1bf002009-12-19 23:47:54 +02001916static void wpas_wps_terminate_cb(void *ctx)
1917{
1918 wpa_printf(MSG_DEBUG, "WPS ER: Terminated");
Ben Greear4c9695b2011-02-21 21:47:46 +02001919 if (--callbacks_pending <= 0)
1920 eloop_terminate();
Jouni Malinen1a1bf002009-12-19 23:47:54 +02001921}
Jouni Malinen72df2f52009-11-13 22:07:11 +02001922#endif /* CONFIG_WPS_ER */
Jouni Malinen1a1bf002009-12-19 23:47:54 +02001923
1924
1925int wpas_wps_terminate_pending(struct wpa_supplicant *wpa_s)
1926{
1927#ifdef CONFIG_WPS_ER
1928 if (wpa_s->wps_er) {
Ben Greear4c9695b2011-02-21 21:47:46 +02001929 callbacks_pending++;
Jouni Malinen1a1bf002009-12-19 23:47:54 +02001930 wps_er_deinit(wpa_s->wps_er, wpas_wps_terminate_cb, wpa_s);
1931 wpa_s->wps_er = NULL;
1932 return 1;
1933 }
1934#endif /* CONFIG_WPS_ER */
1935 return 0;
1936}
Jouni Malinen41e650a2010-06-11 13:50:13 -07001937
1938
Jouni Malinen611aea72010-07-18 14:30:24 -07001939void wpas_wps_update_config(struct wpa_supplicant *wpa_s)
1940{
1941 struct wps_context *wps = wpa_s->wps;
1942
1943 if (wps == NULL)
1944 return;
1945
1946 if (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS) {
1947 wps->config_methods = wps_config_methods_str2bin(
1948 wpa_s->conf->config_methods);
1949 if ((wps->config_methods &
1950 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
1951 (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
1952 wpa_printf(MSG_ERROR, "WPS: Both Label and Display "
1953 "config methods are not allowed at the "
1954 "same time");
1955 wps->config_methods &= ~WPS_CONFIG_LABEL;
1956 }
1957 }
Jouni Malinen092acb52010-10-16 12:57:47 +03001958 wps->config_methods = wps_fix_config_methods(wps->config_methods);
jim1_linc8b245b2012-08-04 20:14:59 +03001959 wps->dev.config_methods = wps->config_methods;
Jouni Malinen611aea72010-07-18 14:30:24 -07001960
Johannes Berg2f646b62011-03-17 18:50:22 +02001961 if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE)
1962 os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type,
1963 WPS_DEV_TYPE_LEN);
Jouni Malinen611aea72010-07-18 14:30:24 -07001964
Jean-Michel Bachota9e86bf2011-03-17 11:09:49 +02001965 if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) {
Johannes Berg2f646b62011-03-17 18:50:22 +02001966 wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
1967 os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type,
1968 wps->dev.num_sec_dev_types * WPS_DEV_TYPE_LEN);
Jean-Michel Bachota9e86bf2011-03-17 11:09:49 +02001969 }
1970
Anirban Sirkhell71dd3b72012-04-04 00:08:57 +03001971 if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION)
1972 wpas_wps_set_vendor_ext_m1(wpa_s, wps);
1973
Jouni Malinen611aea72010-07-18 14:30:24 -07001974 if (wpa_s->conf->changed_parameters & CFG_CHANGED_OS_VERSION)
1975 wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
1976
Jouni Malinen85a821d2011-03-17 18:07:00 +02001977 if (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID)
1978 wpas_wps_set_uuid(wpa_s, wps);
Jouni Malinendcf788d2010-07-06 16:32:55 -07001979
Jouni Malinen1c9cb492010-07-29 17:13:11 -07001980 if (wpa_s->conf->changed_parameters &
1981 (CFG_CHANGED_DEVICE_NAME | CFG_CHANGED_WPS_STRING)) {
Jouni Malinendcf788d2010-07-06 16:32:55 -07001982 /* Update pointers to make sure they refer current values */
1983 wps->dev.device_name = wpa_s->conf->device_name;
1984 wps->dev.manufacturer = wpa_s->conf->manufacturer;
1985 wps->dev.model_name = wpa_s->conf->model_name;
1986 wps->dev.model_number = wpa_s->conf->model_number;
1987 wps->dev.serial_number = wpa_s->conf->serial_number;
1988 }
Jouni Malinen611aea72010-07-18 14:30:24 -07001989}
Jouni Malinen3f2c8ba2012-06-27 18:56:41 +03001990
1991
1992#ifdef CONFIG_WPS_NFC
1993
Jouni Malinen88c8bf32013-04-01 21:28:57 +03001994#ifdef CONFIG_WPS_ER
1995static struct wpabuf *
1996wpas_wps_network_config_token(struct wpa_supplicant *wpa_s, int ndef,
1997 struct wpa_ssid *ssid)
Jouni Malinenbbf41862013-02-15 11:45:29 +02001998{
Jouni Malinen88c8bf32013-04-01 21:28:57 +03001999 struct wpabuf *ret;
2000 struct wps_credential cred;
2001
2002 if (wpas_wps_network_to_cred(ssid, &cred) < 0)
2003 return NULL;
2004
2005 ret = wps_er_config_token_from_cred(wpa_s->wps, &cred);
2006
2007 if (ndef && ret) {
2008 struct wpabuf *tmp;
2009 tmp = ndef_build_wifi(ret);
2010 wpabuf_free(ret);
2011 if (tmp == NULL)
2012 return NULL;
2013 ret = tmp;
2014 }
2015
2016 return ret;
2017}
2018#endif /* CONFIG_WPS_ER */
2019
2020
2021struct wpabuf * wpas_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
2022 int ndef, const char *id_str)
2023{
2024#ifdef CONFIG_WPS_ER
2025 if (id_str) {
2026 int id;
2027 char *end = NULL;
2028 struct wpa_ssid *ssid;
2029
2030 id = strtol(id_str, &end, 10);
2031 if (end && *end)
2032 return NULL;
2033
2034 ssid = wpa_config_get_network(wpa_s->conf, id);
2035 if (ssid == NULL)
2036 return NULL;
2037 return wpas_wps_network_config_token(wpa_s, ndef, ssid);
2038 }
2039#endif /* CONFIG_WPS_ER */
Jouni Malinenbbf41862013-02-15 11:45:29 +02002040#ifdef CONFIG_AP
2041 if (wpa_s->ap_iface)
2042 return wpas_ap_wps_nfc_config_token(wpa_s, ndef);
2043#endif /* CONFIG_AP */
2044 return NULL;
2045}
2046
2047
Jouni Malinen3f2c8ba2012-06-27 18:56:41 +03002048struct wpabuf * wpas_wps_nfc_token(struct wpa_supplicant *wpa_s, int ndef)
2049{
Jouni Malinen042ec552013-02-15 11:24:29 +02002050 if (wpa_s->conf->wps_nfc_pw_from_config) {
2051 return wps_nfc_token_build(ndef,
2052 wpa_s->conf->wps_nfc_dev_pw_id,
2053 wpa_s->conf->wps_nfc_dh_pubkey,
2054 wpa_s->conf->wps_nfc_dev_pw);
2055 }
2056
Jouni Malinenbfc62fe2012-06-28 20:54:53 +03002057 return wps_nfc_token_gen(ndef, &wpa_s->conf->wps_nfc_dev_pw_id,
2058 &wpa_s->conf->wps_nfc_dh_pubkey,
2059 &wpa_s->conf->wps_nfc_dh_privkey,
2060 &wpa_s->conf->wps_nfc_dev_pw);
Jouni Malinen3f2c8ba2012-06-27 18:56:41 +03002061}
2062
2063
2064int wpas_wps_start_nfc(struct wpa_supplicant *wpa_s, const u8 *bssid)
2065{
2066 struct wps_context *wps = wpa_s->wps;
2067 char pw[32 * 2 + 1];
2068
2069 if (wpa_s->conf->wps_nfc_dh_pubkey == NULL ||
2070 wpa_s->conf->wps_nfc_dh_privkey == NULL ||
2071 wpa_s->conf->wps_nfc_dev_pw == NULL)
2072 return -1;
2073
2074 dh5_free(wps->dh_ctx);
2075 wpabuf_free(wps->dh_pubkey);
2076 wpabuf_free(wps->dh_privkey);
2077 wps->dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey);
2078 wps->dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey);
2079 if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
2080 wps->dh_ctx = NULL;
2081 wpabuf_free(wps->dh_pubkey);
2082 wps->dh_pubkey = NULL;
2083 wpabuf_free(wps->dh_privkey);
2084 wps->dh_privkey = NULL;
2085 return -1;
2086 }
2087 wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
Jouni Malinen5c9d63d2013-04-01 19:27:32 +03002088 if (wps->dh_ctx == NULL) {
2089 wpabuf_free(wps->dh_pubkey);
2090 wps->dh_pubkey = NULL;
2091 wpabuf_free(wps->dh_privkey);
2092 wps->dh_privkey = NULL;
Jouni Malinen3f2c8ba2012-06-27 18:56:41 +03002093 return -1;
Jouni Malinen5c9d63d2013-04-01 19:27:32 +03002094 }
Jouni Malinen3f2c8ba2012-06-27 18:56:41 +03002095
2096 wpa_snprintf_hex_uppercase(pw, sizeof(pw),
2097 wpabuf_head(wpa_s->conf->wps_nfc_dev_pw),
2098 wpabuf_len(wpa_s->conf->wps_nfc_dev_pw));
2099 return wpas_wps_start_pin(wpa_s, bssid, pw, 0,
2100 wpa_s->conf->wps_nfc_dev_pw_id);
2101}
2102
Jouni Malinend7645d22012-06-28 13:59:29 +03002103
2104static int wpas_wps_use_cred(struct wpa_supplicant *wpa_s,
2105 struct wps_parse_attr *attr)
2106{
Jouni Malinenbd3a3732012-10-28 18:02:04 +02002107 wpa_s->wps_ap_channel = 0;
2108
Jouni Malinen170f5662013-05-15 16:46:45 +03002109 /*
2110 * Disable existing networks temporarily to allow the newly learned
2111 * credential to be preferred. Enable the temporarily disabled networks
2112 * after 10 seconds.
2113 */
2114 wpas_wps_temp_disable(wpa_s, NULL);
2115 eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s,
2116 NULL);
2117
Jouni Malinend7645d22012-06-28 13:59:29 +03002118 if (wps_oob_use_cred(wpa_s->wps, attr) < 0)
2119 return -1;
2120
2121 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
2122 return 0;
2123
2124 wpa_printf(MSG_DEBUG, "WPS: Request reconnection with new network "
2125 "based on the received credential added");
2126 wpa_s->normal_scans = 0;
2127 wpa_supplicant_reinit_autoscan(wpa_s);
Jouni Malinenbd3a3732012-10-28 18:02:04 +02002128 if (wpa_s->wps_ap_channel) {
2129 u16 chan = wpa_s->wps_ap_channel;
2130 int freq = 0;
2131
2132 if (chan >= 1 && chan <= 13)
2133 freq = 2407 + 5 * chan;
2134 else if (chan == 14)
2135 freq = 2484;
2136 else if (chan >= 30)
2137 freq = 5000 + 5 * chan;
2138
2139 if (freq) {
2140 wpa_printf(MSG_DEBUG, "WPS: Credential indicated "
2141 "AP channel %u -> %u MHz", chan, freq);
2142 wpa_s->after_wps = 5;
2143 wpa_s->wps_freq = freq;
2144 }
2145 }
Jouni Malinend7645d22012-06-28 13:59:29 +03002146 wpa_s->disconnected = 0;
2147 wpa_s->reassociate = 1;
Jithu Jance7e910b72013-10-14 20:42:27 +03002148
2149 wpa_supplicant_cancel_sched_scan(wpa_s);
Jouni Malinend7645d22012-06-28 13:59:29 +03002150 wpa_supplicant_req_scan(wpa_s, 0, 0);
2151
2152 return 0;
2153}
2154
2155
Masashi Honma6df865f2012-09-15 22:02:09 -07002156#ifdef CONFIG_WPS_ER
Jouni Malinene6ea2a42012-06-28 17:34:46 +03002157static int wpas_wps_add_nfc_password_token(struct wpa_supplicant *wpa_s,
2158 struct wps_parse_attr *attr)
2159{
Jouni Malinene6ea2a42012-06-28 17:34:46 +03002160 return wps_registrar_add_nfc_password_token(
2161 wpa_s->wps->registrar, attr->oob_dev_password,
2162 attr->oob_dev_password_len);
2163}
Masashi Honma6df865f2012-09-15 22:02:09 -07002164#endif /* CONFIG_WPS_ER */
Jouni Malinene6ea2a42012-06-28 17:34:46 +03002165
2166
Jouni Malinend7645d22012-06-28 13:59:29 +03002167static int wpas_wps_nfc_tag_process(struct wpa_supplicant *wpa_s,
2168 const struct wpabuf *wps)
2169{
2170 struct wps_parse_attr attr;
2171
2172 wpa_hexdump_buf(MSG_DEBUG, "WPS: Received NFC tag payload", wps);
2173
2174 if (wps_parse_msg(wps, &attr)) {
2175 wpa_printf(MSG_DEBUG, "WPS: Ignore invalid data from NFC tag");
2176 return -1;
2177 }
2178
2179 if (attr.num_cred)
2180 return wpas_wps_use_cred(wpa_s, &attr);
2181
Jouni Malinene6ea2a42012-06-28 17:34:46 +03002182#ifdef CONFIG_WPS_ER
2183 if (attr.oob_dev_password)
2184 return wpas_wps_add_nfc_password_token(wpa_s, &attr);
2185#endif /* CONFIG_WPS_ER */
2186
Jouni Malinend7645d22012-06-28 13:59:29 +03002187 wpa_printf(MSG_DEBUG, "WPS: Ignore unrecognized NFC tag");
2188 return -1;
2189}
2190
2191
2192int wpas_wps_nfc_tag_read(struct wpa_supplicant *wpa_s,
2193 const struct wpabuf *data)
2194{
2195 const struct wpabuf *wps = data;
2196 struct wpabuf *tmp = NULL;
2197 int ret;
2198
2199 if (wpabuf_len(data) < 4)
2200 return -1;
2201
2202 if (*wpabuf_head_u8(data) != 0x10) {
2203 /* Assume this contains full NDEF record */
2204 tmp = ndef_parse_wifi(data);
2205 if (tmp == NULL) {
2206 wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF");
2207 return -1;
2208 }
2209 wps = tmp;
2210 }
2211
2212 ret = wpas_wps_nfc_tag_process(wpa_s, wps);
2213 wpabuf_free(tmp);
2214 return ret;
2215}
2216
Jouni Malinene65552d2012-10-28 17:39:46 +02002217
Jouni Malinenbbaaaee2013-02-10 18:19:59 +02002218struct wpabuf * wpas_wps_nfc_handover_req(struct wpa_supplicant *wpa_s, int cr)
Jouni Malinene65552d2012-10-28 17:39:46 +02002219{
Jouni Malinenbbaaaee2013-02-10 18:19:59 +02002220 if (cr)
2221 return ndef_build_wifi_hc(1);
Jouni Malinene65552d2012-10-28 17:39:46 +02002222 return ndef_build_wifi_hr();
2223}
2224
2225
Jouni Malinenf3f2ba22013-02-24 10:56:29 +02002226#ifdef CONFIG_WPS_NFC
2227struct wpabuf * wpas_wps_er_nfc_handover_sel(struct wpa_supplicant *wpa_s,
2228 int ndef, const char *uuid)
Jouni Malinene65552d2012-10-28 17:39:46 +02002229{
Jouni Malinen94d7acf2013-03-13 00:01:32 +02002230#ifdef CONFIG_WPS_ER
Jouni Malinenf3f2ba22013-02-24 10:56:29 +02002231 struct wpabuf *ret;
Jouni Malinen59307b32013-04-01 20:32:09 +03002232 u8 u[UUID_LEN], *use_uuid = NULL;
2233 u8 addr[ETH_ALEN], *use_addr = NULL;
Jouni Malinenf3f2ba22013-02-24 10:56:29 +02002234
2235 if (!wpa_s->wps_er)
2236 return NULL;
2237
Jouni Malinen59307b32013-04-01 20:32:09 +03002238 if (uuid == NULL)
2239 return NULL;
2240 if (uuid_str2bin(uuid, u) == 0)
2241 use_uuid = u;
2242 else if (hwaddr_aton(uuid, addr) == 0)
2243 use_addr = addr;
2244 else
Jouni Malinenf3f2ba22013-02-24 10:56:29 +02002245 return NULL;
2246
2247 /*
2248 * Handover Select carrier record for WPS uses the same format as
2249 * configuration token.
2250 */
Jouni Malinen59307b32013-04-01 20:32:09 +03002251 ret = wps_er_nfc_config_token(wpa_s->wps_er, use_uuid, use_addr);
Jouni Malinenf3f2ba22013-02-24 10:56:29 +02002252 if (ndef && ret) {
2253 struct wpabuf *tmp;
2254 tmp = ndef_build_wifi(ret);
2255 wpabuf_free(ret);
2256 if (tmp == NULL)
2257 return NULL;
2258 ret = tmp;
2259 }
2260
2261 return ret;
Jouni Malinen94d7acf2013-03-13 00:01:32 +02002262#else /* CONFIG_WPS_ER */
2263 return NULL;
2264#endif /* CONFIG_WPS_ER */
Jouni Malinenf3f2ba22013-02-24 10:56:29 +02002265}
2266#endif /* CONFIG_WPS_NFC */
2267
2268
2269struct wpabuf * wpas_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
2270 int ndef, int cr, const char *uuid)
2271{
2272 struct wpabuf *ret;
Jouni Malinen5ab9a6a2013-02-15 12:34:55 +02002273 if (!cr)
2274 return NULL;
Jouni Malinenf3f2ba22013-02-24 10:56:29 +02002275 ret = wpas_ap_wps_nfc_handover_sel(wpa_s, ndef);
2276 if (ret)
2277 return ret;
2278 return wpas_wps_er_nfc_handover_sel(wpa_s, ndef, uuid);
Jouni Malinene65552d2012-10-28 17:39:46 +02002279}
2280
2281
2282int wpas_wps_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
2283 const struct wpabuf *data)
2284{
2285 /* TODO */
2286 return -1;
2287}
2288
2289
2290int wpas_wps_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
2291 const struct wpabuf *data)
2292{
2293 struct wpabuf *wps;
2294 int ret;
2295
2296 wps = ndef_parse_wifi(data);
2297 if (wps == NULL)
2298 return -1;
2299 wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc "
2300 "payload from NFC connection handover");
2301 wpa_hexdump_buf_key(MSG_DEBUG, "WPS: NFC payload", wps);
2302 ret = wpas_wps_nfc_tag_process(wpa_s, wps);
2303 wpabuf_free(wps);
2304
2305 return ret;
2306}
2307
Jouni Malinene4758822013-02-11 18:43:46 +02002308
2309int wpas_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
2310 const struct wpabuf *req,
2311 const struct wpabuf *sel)
2312{
2313 wpa_printf(MSG_DEBUG, "NFC: WPS connection handover reported");
2314 wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in request", req);
2315 wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in select", sel);
2316 return wpas_wps_nfc_rx_handover_sel(wpa_s, sel);
2317}
2318
Jouni Malinen3f2c8ba2012-06-27 18:56:41 +03002319#endif /* CONFIG_WPS_NFC */
Jouni Malinenf9f05262012-08-27 13:48:11 +03002320
2321
2322extern int wpa_debug_level;
2323
2324static void wpas_wps_dump_ap_info(struct wpa_supplicant *wpa_s)
2325{
2326 size_t i;
Johannes Berg51bffab2013-12-16 21:08:43 +01002327 struct os_reltime now;
Jouni Malinenf9f05262012-08-27 13:48:11 +03002328
2329 if (wpa_debug_level > MSG_DEBUG)
2330 return;
2331
2332 if (wpa_s->wps_ap == NULL)
2333 return;
2334
Johannes Berg51bffab2013-12-16 21:08:43 +01002335 os_get_reltime(&now);
Jouni Malinenf9f05262012-08-27 13:48:11 +03002336
2337 for (i = 0; i < wpa_s->num_wps_ap; i++) {
2338 struct wps_ap_info *ap = &wpa_s->wps_ap[i];
2339 struct wpa_blacklist *e = wpa_blacklist_get(wpa_s, ap->bssid);
2340
2341 wpa_printf(MSG_DEBUG, "WPS: AP[%d] " MACSTR " type=%d "
2342 "tries=%d last_attempt=%d sec ago blacklist=%d",
2343 (int) i, MAC2STR(ap->bssid), ap->type, ap->tries,
2344 ap->last_attempt.sec > 0 ?
2345 (int) now.sec - (int) ap->last_attempt.sec : -1,
2346 e ? e->count : 0);
2347 }
2348}
2349
2350
2351static struct wps_ap_info * wpas_wps_get_ap_info(struct wpa_supplicant *wpa_s,
2352 const u8 *bssid)
2353{
2354 size_t i;
2355
2356 if (wpa_s->wps_ap == NULL)
2357 return NULL;
2358
2359 for (i = 0; i < wpa_s->num_wps_ap; i++) {
2360 struct wps_ap_info *ap = &wpa_s->wps_ap[i];
2361 if (os_memcmp(ap->bssid, bssid, ETH_ALEN) == 0)
2362 return ap;
2363 }
2364
2365 return NULL;
2366}
2367
2368
2369static void wpas_wps_update_ap_info_bss(struct wpa_supplicant *wpa_s,
2370 struct wpa_scan_res *res)
2371{
2372 struct wpabuf *wps;
2373 enum wps_ap_info_type type;
2374 struct wps_ap_info *ap;
2375 int r;
2376
2377 if (wpa_scan_get_vendor_ie(res, WPS_IE_VENDOR_TYPE) == NULL)
2378 return;
2379
2380 wps = wpa_scan_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE);
2381 if (wps == NULL)
2382 return;
2383
2384 r = wps_is_addr_authorized(wps, wpa_s->own_addr, 1);
2385 if (r == 2)
2386 type = WPS_AP_SEL_REG_OUR;
2387 else if (r == 1)
2388 type = WPS_AP_SEL_REG;
2389 else
2390 type = WPS_AP_NOT_SEL_REG;
2391
2392 wpabuf_free(wps);
2393
2394 ap = wpas_wps_get_ap_info(wpa_s, res->bssid);
2395 if (ap) {
2396 if (ap->type != type) {
2397 wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR
2398 " changed type %d -> %d",
2399 MAC2STR(res->bssid), ap->type, type);
2400 ap->type = type;
Jouni Malinena4620362012-08-27 13:51:35 +03002401 if (type != WPS_AP_NOT_SEL_REG)
2402 wpa_blacklist_del(wpa_s, ap->bssid);
Jouni Malinenf9f05262012-08-27 13:48:11 +03002403 }
2404 return;
2405 }
2406
2407 ap = os_realloc_array(wpa_s->wps_ap, wpa_s->num_wps_ap + 1,
2408 sizeof(struct wps_ap_info));
2409 if (ap == NULL)
2410 return;
2411
2412 wpa_s->wps_ap = ap;
2413 ap = &wpa_s->wps_ap[wpa_s->num_wps_ap];
2414 wpa_s->num_wps_ap++;
2415
2416 os_memset(ap, 0, sizeof(*ap));
2417 os_memcpy(ap->bssid, res->bssid, ETH_ALEN);
2418 ap->type = type;
2419 wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR " type %d added",
2420 MAC2STR(ap->bssid), ap->type);
2421}
2422
2423
2424void wpas_wps_update_ap_info(struct wpa_supplicant *wpa_s,
2425 struct wpa_scan_results *scan_res)
2426{
2427 size_t i;
2428
2429 for (i = 0; i < scan_res->num; i++)
2430 wpas_wps_update_ap_info_bss(wpa_s, scan_res->res[i]);
2431
2432 wpas_wps_dump_ap_info(wpa_s);
2433}
2434
2435
2436void wpas_wps_notify_assoc(struct wpa_supplicant *wpa_s, const u8 *bssid)
2437{
2438 struct wps_ap_info *ap;
Jouni Malinen72559832013-10-20 21:34:39 +03002439
2440 wpa_s->after_wps = 0;
2441
Jouni Malinenf9f05262012-08-27 13:48:11 +03002442 if (!wpa_s->wps_ap_iter)
2443 return;
2444 ap = wpas_wps_get_ap_info(wpa_s, bssid);
2445 if (ap == NULL)
2446 return;
2447 ap->tries++;
Johannes Berg51bffab2013-12-16 21:08:43 +01002448 os_get_reltime(&ap->last_attempt);
Jouni Malinenf9f05262012-08-27 13:48:11 +03002449}