blob: 5ec019971f3725b5b767bcb737fa042e7ccc1636 [file] [log] [blame]
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001/*
2 * hostapd / WPS integration
Dmitry Shmidtde47be72016-01-07 12:52:55 -08003 * Copyright (c) 2008-2016, Jouni Malinen <j@w1.fi>
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07004 *
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08005 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07007 */
8
9#include "utils/includes.h"
10
11#include "utils/common.h"
12#include "utils/eloop.h"
13#include "utils/uuid.h"
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070014#include "common/wpa_ctrl.h"
15#include "common/ieee802_11_defs.h"
16#include "common/ieee802_11_common.h"
17#include "eapol_auth/eapol_auth_sm.h"
18#include "eapol_auth/eapol_auth_sm_i.h"
19#include "wps/wps.h"
20#include "wps/wps_defs.h"
21#include "wps/wps_dev_attr.h"
Dmitry Shmidt04949592012-07-19 12:16:46 -070022#include "wps/wps_attr_parse.h"
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070023#include "hostapd.h"
24#include "ap_config.h"
25#include "ap_drv_ops.h"
26#include "beacon.h"
27#include "sta_info.h"
28#include "wps_hostapd.h"
29
30
31#ifdef CONFIG_WPS_UPNP
32#include "wps/wps_upnp.h"
33static int hostapd_wps_upnp_init(struct hostapd_data *hapd,
34 struct wps_context *wps);
35static void hostapd_wps_upnp_deinit(struct hostapd_data *hapd);
36#endif /* CONFIG_WPS_UPNP */
37
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -080038static int hostapd_wps_probe_req_rx(void *ctx, const u8 *addr, const u8 *da,
39 const u8 *bssid,
Dmitry Shmidt04949592012-07-19 12:16:46 -070040 const u8 *ie, size_t ie_len,
41 int ssi_signal);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070042static void hostapd_wps_ap_pin_timeout(void *eloop_data, void *user_ctx);
Dmitry Shmidt6cb1f652014-03-21 10:54:03 -070043static void hostapd_wps_nfc_clear(struct wps_context *wps);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070044
45
46struct wps_for_each_data {
47 int (*func)(struct hostapd_data *h, void *ctx);
48 void *ctx;
Dmitry Shmidt444d5672013-04-01 13:08:44 -070049 struct hostapd_data *calling_hapd;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070050};
51
52
53static int wps_for_each(struct hostapd_iface *iface, void *ctx)
54{
55 struct wps_for_each_data *data = ctx;
56 size_t j;
57
58 if (iface == NULL)
59 return 0;
60 for (j = 0; j < iface->num_bss; j++) {
61 struct hostapd_data *hapd = iface->bss[j];
Dmitry Shmidt444d5672013-04-01 13:08:44 -070062 int ret;
63
64 if (hapd != data->calling_hapd &&
65 (hapd->conf->wps_independent ||
66 data->calling_hapd->conf->wps_independent))
67 continue;
68
69 ret = data->func(hapd, data->ctx);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070070 if (ret)
71 return ret;
72 }
73
74 return 0;
75}
76
77
78static int hostapd_wps_for_each(struct hostapd_data *hapd,
79 int (*func)(struct hostapd_data *h, void *ctx),
80 void *ctx)
81{
82 struct hostapd_iface *iface = hapd->iface;
83 struct wps_for_each_data data;
84 data.func = func;
85 data.ctx = ctx;
Dmitry Shmidt444d5672013-04-01 13:08:44 -070086 data.calling_hapd = hapd;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -070087 if (iface->interfaces == NULL ||
88 iface->interfaces->for_each_interface == NULL)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070089 return wps_for_each(iface, &data);
Dmitry Shmidt61d9df32012-08-29 16:22:06 -070090 return iface->interfaces->for_each_interface(iface->interfaces,
91 wps_for_each, &data);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070092}
93
94
Dmitry Shmidt391c59f2013-09-03 12:16:28 -070095static int hostapd_wps_new_psk_cb(void *ctx, const u8 *mac_addr,
96 const u8 *p2p_dev_addr, const u8 *psk,
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -070097 size_t psk_len)
98{
99 struct hostapd_data *hapd = ctx;
100 struct hostapd_wpa_psk *p;
101 struct hostapd_ssid *ssid = &hapd->conf->ssid;
102
Dmitry Shmidt391c59f2013-09-03 12:16:28 -0700103 if (is_zero_ether_addr(p2p_dev_addr)) {
104 wpa_printf(MSG_DEBUG,
105 "Received new WPA/WPA2-PSK from WPS for STA " MACSTR,
106 MAC2STR(mac_addr));
107 } else {
108 wpa_printf(MSG_DEBUG,
109 "Received new WPA/WPA2-PSK from WPS for STA " MACSTR
110 " P2P Device Addr " MACSTR,
111 MAC2STR(mac_addr), MAC2STR(p2p_dev_addr));
112 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700113 wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len);
114
115 if (psk_len != PMK_LEN) {
116 wpa_printf(MSG_DEBUG, "Unexpected PSK length %lu",
117 (unsigned long) psk_len);
118 return -1;
119 }
120
121 /* Add the new PSK to runtime PSK list */
122 p = os_zalloc(sizeof(*p));
123 if (p == NULL)
124 return -1;
125 os_memcpy(p->addr, mac_addr, ETH_ALEN);
Dmitry Shmidt391c59f2013-09-03 12:16:28 -0700126 os_memcpy(p->p2p_dev_addr, p2p_dev_addr, ETH_ALEN);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700127 os_memcpy(p->psk, psk, PMK_LEN);
128
Dmitry Shmidt391c59f2013-09-03 12:16:28 -0700129 if (hapd->new_psk_cb) {
130 hapd->new_psk_cb(hapd->new_psk_cb_ctx, mac_addr, p2p_dev_addr,
131 psk, psk_len);
132 }
133
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700134 p->next = ssid->wpa_psk;
135 ssid->wpa_psk = p;
136
137 if (ssid->wpa_psk_file) {
138 FILE *f;
139 char hex[PMK_LEN * 2 + 1];
140 /* Add the new PSK to PSK list file */
141 f = fopen(ssid->wpa_psk_file, "a");
142 if (f == NULL) {
143 wpa_printf(MSG_DEBUG, "Failed to add the PSK to "
144 "'%s'", ssid->wpa_psk_file);
145 return -1;
146 }
147
148 wpa_snprintf_hex(hex, sizeof(hex), psk, psk_len);
149 fprintf(f, MACSTR " %s\n", MAC2STR(mac_addr), hex);
150 fclose(f);
151 }
152
153 return 0;
154}
155
156
157static int hostapd_wps_set_ie_cb(void *ctx, struct wpabuf *beacon_ie,
158 struct wpabuf *probe_resp_ie)
159{
160 struct hostapd_data *hapd = ctx;
161 wpabuf_free(hapd->wps_beacon_ie);
162 hapd->wps_beacon_ie = beacon_ie;
163 wpabuf_free(hapd->wps_probe_resp_ie);
164 hapd->wps_probe_resp_ie = probe_resp_ie;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800165 if (hapd->beacon_set_done)
166 ieee802_11_set_beacon(hapd);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700167 return hostapd_set_ap_wps_ie(hapd);
168}
169
170
171static void hostapd_wps_pin_needed_cb(void *ctx, const u8 *uuid_e,
172 const struct wps_device_data *dev)
173{
174 struct hostapd_data *hapd = ctx;
175 char uuid[40], txt[400];
176 int len;
177 char devtype[WPS_DEV_TYPE_BUFSIZE];
178 if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
179 return;
180 wpa_printf(MSG_DEBUG, "WPS: PIN needed for E-UUID %s", uuid);
181 len = os_snprintf(txt, sizeof(txt), WPS_EVENT_PIN_NEEDED
182 "%s " MACSTR " [%s|%s|%s|%s|%s|%s]",
183 uuid, MAC2STR(dev->mac_addr), dev->device_name,
184 dev->manufacturer, dev->model_name,
185 dev->model_number, dev->serial_number,
186 wps_dev_type_bin2str(dev->pri_dev_type, devtype,
187 sizeof(devtype)));
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -0800188 if (!os_snprintf_error(sizeof(txt), len))
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700189 wpa_msg(hapd->msg_ctx, MSG_INFO, "%s", txt);
190
191 if (hapd->conf->wps_pin_requests) {
192 FILE *f;
193 struct os_time t;
194 f = fopen(hapd->conf->wps_pin_requests, "a");
195 if (f == NULL)
196 return;
197 os_get_time(&t);
198 fprintf(f, "%ld\t%s\t" MACSTR "\t%s\t%s\t%s\t%s\t%s"
199 "\t%s\n",
200 t.sec, uuid, MAC2STR(dev->mac_addr), dev->device_name,
201 dev->manufacturer, dev->model_name, dev->model_number,
202 dev->serial_number,
203 wps_dev_type_bin2str(dev->pri_dev_type, devtype,
204 sizeof(devtype)));
205 fclose(f);
206 }
207}
208
209
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800210struct wps_stop_reg_data {
211 struct hostapd_data *current_hapd;
212 const u8 *uuid_e;
Dmitry Shmidt04949592012-07-19 12:16:46 -0700213 const u8 *dev_pw;
214 size_t dev_pw_len;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800215};
216
217static int wps_stop_registrar(struct hostapd_data *hapd, void *ctx)
218{
219 struct wps_stop_reg_data *data = ctx;
220 if (hapd != data->current_hapd && hapd->wps != NULL)
Dmitry Shmidt04949592012-07-19 12:16:46 -0700221 wps_registrar_complete(hapd->wps->registrar, data->uuid_e,
222 data->dev_pw, data->dev_pw_len);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800223 return 0;
224}
225
226
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700227static void hostapd_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
Dmitry Shmidt04949592012-07-19 12:16:46 -0700228 const u8 *uuid_e, const u8 *dev_pw,
229 size_t dev_pw_len)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700230{
231 struct hostapd_data *hapd = ctx;
232 char uuid[40];
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800233 struct wps_stop_reg_data data;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700234 if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
235 return;
236 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_REG_SUCCESS MACSTR " %s",
237 MAC2STR(mac_addr), uuid);
238 if (hapd->wps_reg_success_cb)
239 hapd->wps_reg_success_cb(hapd->wps_reg_success_cb_ctx,
240 mac_addr, uuid_e);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800241 data.current_hapd = hapd;
242 data.uuid_e = uuid_e;
Dmitry Shmidt04949592012-07-19 12:16:46 -0700243 data.dev_pw = dev_pw;
244 data.dev_pw_len = dev_pw_len;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800245 hostapd_wps_for_each(hapd, wps_stop_registrar, &data);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700246}
247
248
249static void hostapd_wps_enrollee_seen_cb(void *ctx, const u8 *addr,
250 const u8 *uuid_e,
251 const u8 *pri_dev_type,
252 u16 config_methods,
253 u16 dev_password_id, u8 request_type,
254 const char *dev_name)
255{
256 struct hostapd_data *hapd = ctx;
257 char uuid[40];
258 char devtype[WPS_DEV_TYPE_BUFSIZE];
259 if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
260 return;
261 if (dev_name == NULL)
262 dev_name = "";
263 wpa_msg_ctrl(hapd->msg_ctx, MSG_INFO, WPS_EVENT_ENROLLEE_SEEN MACSTR
264 " %s %s 0x%x %u %u [%s]",
265 MAC2STR(addr), uuid,
266 wps_dev_type_bin2str(pri_dev_type, devtype,
267 sizeof(devtype)),
268 config_methods, dev_password_id, request_type, dev_name);
269}
270
271
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700272static void wps_reload_config(void *eloop_data, void *user_ctx)
273{
274 struct hostapd_iface *iface = eloop_data;
275
276 wpa_printf(MSG_DEBUG, "WPS: Reload configuration data");
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700277 if (iface->interfaces == NULL ||
278 iface->interfaces->reload_config(iface) < 0) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700279 wpa_printf(MSG_WARNING, "WPS: Failed to reload the updated "
280 "configuration");
281 }
282}
283
284
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -0800285void hostapd_wps_eap_completed(struct hostapd_data *hapd)
286{
287 /*
288 * Reduce race condition of the station trying to reconnect immediately
289 * after AP reconfiguration through WPS by rescheduling the reload
290 * timeout to happen after EAP completion rather than the originally
291 * scheduled 100 ms after new configuration became known.
292 */
293 if (eloop_deplete_timeout(0, 0, wps_reload_config, hapd->iface, NULL) ==
294 1)
295 wpa_printf(MSG_DEBUG, "WPS: Reschedule immediate configuration reload");
296}
297
298
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800299static void hapd_new_ap_event(struct hostapd_data *hapd, const u8 *attr,
300 size_t attr_len)
301{
302 size_t blen = attr_len * 2 + 1;
303 char *buf = os_malloc(blen);
304 if (buf) {
305 wpa_snprintf_hex(buf, blen, attr, attr_len);
306 wpa_msg(hapd->msg_ctx, MSG_INFO,
307 WPS_EVENT_NEW_AP_SETTINGS "%s", buf);
308 os_free(buf);
309 }
310}
311
312
Dmitry Shmidt444d5672013-04-01 13:08:44 -0700313static int hapd_wps_reconfig_in_memory(struct hostapd_data *hapd,
314 const struct wps_credential *cred)
315{
316 struct hostapd_bss_config *bss = hapd->conf;
317
318 wpa_printf(MSG_DEBUG, "WPS: Updating in-memory configuration");
319
320 bss->wps_state = 2;
Dmitry Shmidt9d9e6022015-04-23 10:34:55 -0700321 if (cred->ssid_len <= SSID_MAX_LEN) {
Dmitry Shmidt444d5672013-04-01 13:08:44 -0700322 os_memcpy(bss->ssid.ssid, cred->ssid, cred->ssid_len);
323 bss->ssid.ssid_len = cred->ssid_len;
324 bss->ssid.ssid_set = 1;
325 }
326
327 if ((cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK)) &&
328 (cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK)))
329 bss->wpa = 3;
330 else if (cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK))
331 bss->wpa = 2;
332 else if (cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK))
333 bss->wpa = 1;
334 else
335 bss->wpa = 0;
336
337 if (bss->wpa) {
338 if (cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA))
339 bss->wpa_key_mgmt = WPA_KEY_MGMT_IEEE8021X;
340 if (cred->auth_type & (WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK))
341 bss->wpa_key_mgmt = WPA_KEY_MGMT_PSK;
342
343 bss->wpa_pairwise = 0;
Dmitry Shmidt1d755d02015-04-28 10:34:29 -0700344 if (cred->encr_type & WPS_ENCR_AES) {
345 if (hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211AD)
346 bss->wpa_pairwise |= WPA_CIPHER_GCMP;
347 else
348 bss->wpa_pairwise |= WPA_CIPHER_CCMP;
349 }
Dmitry Shmidt444d5672013-04-01 13:08:44 -0700350 if (cred->encr_type & WPS_ENCR_TKIP)
351 bss->wpa_pairwise |= WPA_CIPHER_TKIP;
352 bss->rsn_pairwise = bss->wpa_pairwise;
353 bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa,
354 bss->wpa_pairwise,
355 bss->rsn_pairwise);
356
357 if (cred->key_len >= 8 && cred->key_len < 64) {
358 os_free(bss->ssid.wpa_passphrase);
359 bss->ssid.wpa_passphrase = os_zalloc(cred->key_len + 1);
360 if (bss->ssid.wpa_passphrase)
361 os_memcpy(bss->ssid.wpa_passphrase, cred->key,
362 cred->key_len);
Dmitry Shmidt7f656022015-02-25 14:36:37 -0800363 hostapd_config_clear_wpa_psk(&bss->ssid.wpa_psk);
Dmitry Shmidt444d5672013-04-01 13:08:44 -0700364 } else if (cred->key_len == 64) {
Dmitry Shmidt7f656022015-02-25 14:36:37 -0800365 hostapd_config_clear_wpa_psk(&bss->ssid.wpa_psk);
Dmitry Shmidt444d5672013-04-01 13:08:44 -0700366 bss->ssid.wpa_psk =
367 os_zalloc(sizeof(struct hostapd_wpa_psk));
368 if (bss->ssid.wpa_psk &&
369 hexstr2bin((const char *) cred->key,
370 bss->ssid.wpa_psk->psk, PMK_LEN) == 0) {
371 bss->ssid.wpa_psk->group = 1;
372 os_free(bss->ssid.wpa_passphrase);
373 bss->ssid.wpa_passphrase = NULL;
374 }
375 }
376 bss->auth_algs = 1;
377 } else {
Dmitry Shmidtd11f0192014-03-24 12:09:47 -0700378 /*
379 * WPS 2.0 does not allow WEP to be configured, so no need to
380 * process that option here either.
381 */
382 bss->auth_algs = 1;
Dmitry Shmidt444d5672013-04-01 13:08:44 -0700383 }
384
385 /* Schedule configuration reload after short period of time to allow
386 * EAP-WSC to be finished.
387 */
388 eloop_register_timeout(0, 100000, wps_reload_config, hapd->iface,
389 NULL);
390
391 return 0;
392}
393
394
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700395static int hapd_wps_cred_cb(struct hostapd_data *hapd, void *ctx)
396{
397 const struct wps_credential *cred = ctx;
398 FILE *oconf, *nconf;
399 size_t len, i;
400 char *tmp_fname;
401 char buf[1024];
402 int multi_bss;
403 int wpa;
404
405 if (hapd->wps == NULL)
406 return 0;
407
408 wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute",
409 cred->cred_attr, cred->cred_attr_len);
410
411 wpa_printf(MSG_DEBUG, "WPS: Received new AP Settings");
412 wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len);
413 wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x",
414 cred->auth_type);
415 wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type);
416 wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx);
417 wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key",
418 cred->key, cred->key_len);
419 wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR,
420 MAC2STR(cred->mac_addr));
421
422 if ((hapd->conf->wps_cred_processing == 1 ||
423 hapd->conf->wps_cred_processing == 2) && cred->cred_attr) {
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800424 hapd_new_ap_event(hapd, cred->cred_attr, cred->cred_attr_len);
425 } else if (hapd->conf->wps_cred_processing == 1 ||
426 hapd->conf->wps_cred_processing == 2) {
427 struct wpabuf *attr;
428 attr = wpabuf_alloc(200);
429 if (attr && wps_build_credential_wrap(attr, cred) == 0)
430 hapd_new_ap_event(hapd, wpabuf_head_u8(attr),
431 wpabuf_len(attr));
432 wpabuf_free(attr);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700433 } else
434 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_NEW_AP_SETTINGS);
435
436 if (hapd->conf->wps_cred_processing == 1)
437 return 0;
438
439 os_memcpy(hapd->wps->ssid, cred->ssid, cred->ssid_len);
440 hapd->wps->ssid_len = cred->ssid_len;
441 hapd->wps->encr_types = cred->encr_type;
Dmitry Shmidtde47be72016-01-07 12:52:55 -0800442 hapd->wps->encr_types_rsn = cred->encr_type;
443 hapd->wps->encr_types_wpa = cred->encr_type;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700444 hapd->wps->auth_types = cred->auth_type;
Dmitry Shmidt96be6222014-02-13 10:16:51 -0800445 hapd->wps->ap_encr_type = cred->encr_type;
446 hapd->wps->ap_auth_type = cred->auth_type;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700447 if (cred->key_len == 0) {
448 os_free(hapd->wps->network_key);
449 hapd->wps->network_key = NULL;
450 hapd->wps->network_key_len = 0;
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800451 } else if ((cred->auth_type & (WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK)) &&
452 (cred->key_len < 8 || cred->key_len > 2 * PMK_LEN)) {
453 wpa_printf(MSG_INFO, "WPS: Invalid key length %lu for WPA/WPA2",
454 (unsigned long) cred->key_len);
455 return -1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700456 } else {
457 if (hapd->wps->network_key == NULL ||
458 hapd->wps->network_key_len < cred->key_len) {
459 hapd->wps->network_key_len = 0;
460 os_free(hapd->wps->network_key);
461 hapd->wps->network_key = os_malloc(cred->key_len);
462 if (hapd->wps->network_key == NULL)
463 return -1;
464 }
465 hapd->wps->network_key_len = cred->key_len;
466 os_memcpy(hapd->wps->network_key, cred->key, cred->key_len);
467 }
468 hapd->wps->wps_state = WPS_STATE_CONFIGURED;
469
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700470 if (hapd->iface->config_fname == NULL)
Dmitry Shmidt444d5672013-04-01 13:08:44 -0700471 return hapd_wps_reconfig_in_memory(hapd, cred);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700472 len = os_strlen(hapd->iface->config_fname) + 5;
473 tmp_fname = os_malloc(len);
474 if (tmp_fname == NULL)
475 return -1;
476 os_snprintf(tmp_fname, len, "%s-new", hapd->iface->config_fname);
477
478 oconf = fopen(hapd->iface->config_fname, "r");
479 if (oconf == NULL) {
480 wpa_printf(MSG_WARNING, "WPS: Could not open current "
481 "configuration file");
482 os_free(tmp_fname);
483 return -1;
484 }
485
486 nconf = fopen(tmp_fname, "w");
487 if (nconf == NULL) {
488 wpa_printf(MSG_WARNING, "WPS: Could not write updated "
489 "configuration file");
490 os_free(tmp_fname);
491 fclose(oconf);
492 return -1;
493 }
494
495 fprintf(nconf, "# WPS configuration - START\n");
496
497 fprintf(nconf, "wps_state=2\n");
498
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700499 if (is_hex(cred->ssid, cred->ssid_len)) {
500 fprintf(nconf, "ssid2=");
501 for (i = 0; i < cred->ssid_len; i++)
502 fprintf(nconf, "%02x", cred->ssid[i]);
503 fprintf(nconf, "\n");
504 } else {
505 fprintf(nconf, "ssid=");
506 for (i = 0; i < cred->ssid_len; i++)
507 fputc(cred->ssid[i], nconf);
508 fprintf(nconf, "\n");
509 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700510
511 if ((cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK)) &&
512 (cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK)))
513 wpa = 3;
514 else if (cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK))
515 wpa = 2;
516 else if (cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK))
517 wpa = 1;
518 else
519 wpa = 0;
520
521 if (wpa) {
522 char *prefix;
523 fprintf(nconf, "wpa=%d\n", wpa);
524
525 fprintf(nconf, "wpa_key_mgmt=");
526 prefix = "";
527 if (cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA)) {
528 fprintf(nconf, "WPA-EAP");
529 prefix = " ";
530 }
531 if (cred->auth_type & (WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK))
532 fprintf(nconf, "%sWPA-PSK", prefix);
533 fprintf(nconf, "\n");
534
535 fprintf(nconf, "wpa_pairwise=");
536 prefix = "";
537 if (cred->encr_type & WPS_ENCR_AES) {
Dmitry Shmidt1d755d02015-04-28 10:34:29 -0700538 if (hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211AD)
539 fprintf(nconf, "GCMP");
540 else
541 fprintf(nconf, "CCMP");
542
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700543 prefix = " ";
544 }
545 if (cred->encr_type & WPS_ENCR_TKIP) {
546 fprintf(nconf, "%sTKIP", prefix);
547 }
548 fprintf(nconf, "\n");
549
550 if (cred->key_len >= 8 && cred->key_len < 64) {
551 fprintf(nconf, "wpa_passphrase=");
552 for (i = 0; i < cred->key_len; i++)
553 fputc(cred->key[i], nconf);
554 fprintf(nconf, "\n");
555 } else if (cred->key_len == 64) {
556 fprintf(nconf, "wpa_psk=");
557 for (i = 0; i < cred->key_len; i++)
558 fputc(cred->key[i], nconf);
559 fprintf(nconf, "\n");
560 } else {
561 wpa_printf(MSG_WARNING, "WPS: Invalid key length %lu "
562 "for WPA/WPA2",
563 (unsigned long) cred->key_len);
564 }
565
566 fprintf(nconf, "auth_algs=1\n");
567 } else {
Dmitry Shmidtd11f0192014-03-24 12:09:47 -0700568 /*
569 * WPS 2.0 does not allow WEP to be configured, so no need to
570 * process that option here either.
571 */
572 fprintf(nconf, "auth_algs=1\n");
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700573 }
574
575 fprintf(nconf, "# WPS configuration - END\n");
576
577 multi_bss = 0;
578 while (fgets(buf, sizeof(buf), oconf)) {
579 if (os_strncmp(buf, "bss=", 4) == 0)
580 multi_bss = 1;
581 if (!multi_bss &&
582 (str_starts(buf, "ssid=") ||
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700583 str_starts(buf, "ssid2=") ||
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700584 str_starts(buf, "auth_algs=") ||
585 str_starts(buf, "wep_default_key=") ||
586 str_starts(buf, "wep_key") ||
587 str_starts(buf, "wps_state=") ||
588 str_starts(buf, "wpa=") ||
589 str_starts(buf, "wpa_psk=") ||
590 str_starts(buf, "wpa_pairwise=") ||
591 str_starts(buf, "rsn_pairwise=") ||
592 str_starts(buf, "wpa_key_mgmt=") ||
593 str_starts(buf, "wpa_passphrase="))) {
594 fprintf(nconf, "#WPS# %s", buf);
595 } else
596 fprintf(nconf, "%s", buf);
597 }
598
599 fclose(nconf);
600 fclose(oconf);
601
602 if (rename(tmp_fname, hapd->iface->config_fname) < 0) {
603 wpa_printf(MSG_WARNING, "WPS: Failed to rename the updated "
604 "configuration file: %s", strerror(errno));
605 os_free(tmp_fname);
606 return -1;
607 }
608
609 os_free(tmp_fname);
610
611 /* Schedule configuration reload after short period of time to allow
612 * EAP-WSC to be finished.
613 */
614 eloop_register_timeout(0, 100000, wps_reload_config, hapd->iface,
615 NULL);
616
617 wpa_printf(MSG_DEBUG, "WPS: AP configuration updated");
618
619 return 0;
620}
621
622
623static int hostapd_wps_cred_cb(void *ctx, const struct wps_credential *cred)
624{
625 struct hostapd_data *hapd = ctx;
626 return hostapd_wps_for_each(hapd, hapd_wps_cred_cb, (void *) cred);
627}
628
629
630static void hostapd_wps_reenable_ap_pin(void *eloop_data, void *user_ctx)
631{
632 struct hostapd_data *hapd = eloop_data;
633
634 if (hapd->conf->ap_setup_locked)
635 return;
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -0800636 if (hapd->ap_pin_failures_consecutive >= 10)
637 return;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700638
639 wpa_printf(MSG_DEBUG, "WPS: Re-enable AP PIN");
640 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_SETUP_UNLOCKED);
641 hapd->wps->ap_setup_locked = 0;
642 wps_registrar_update_ie(hapd->wps->registrar);
643}
644
645
646static int wps_pwd_auth_fail(struct hostapd_data *hapd, void *ctx)
647{
648 struct wps_event_pwd_auth_fail *data = ctx;
649
650 if (!data->enrollee || hapd->conf->ap_pin == NULL || hapd->wps == NULL)
651 return 0;
652
653 /*
654 * Registrar failed to prove its knowledge of the AP PIN. Lock AP setup
655 * for some time if this happens multiple times to slow down brute
656 * force attacks.
657 */
658 hapd->ap_pin_failures++;
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -0800659 hapd->ap_pin_failures_consecutive++;
660 wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u "
661 "(%u consecutive)",
662 hapd->ap_pin_failures, hapd->ap_pin_failures_consecutive);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700663 if (hapd->ap_pin_failures < 3)
664 return 0;
665
666 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_SETUP_LOCKED);
667 hapd->wps->ap_setup_locked = 1;
668
669 wps_registrar_update_ie(hapd->wps->registrar);
670
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -0800671 if (!hapd->conf->ap_setup_locked &&
672 hapd->ap_pin_failures_consecutive >= 10) {
673 /*
674 * In indefinite lockdown - disable automatic AP PIN
675 * reenablement.
676 */
677 eloop_cancel_timeout(hostapd_wps_reenable_ap_pin, hapd, NULL);
678 wpa_printf(MSG_DEBUG, "WPS: AP PIN disabled indefinitely");
679 } else if (!hapd->conf->ap_setup_locked) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700680 if (hapd->ap_pin_lockout_time == 0)
681 hapd->ap_pin_lockout_time = 60;
682 else if (hapd->ap_pin_lockout_time < 365 * 24 * 60 * 60 &&
683 (hapd->ap_pin_failures % 3) == 0)
684 hapd->ap_pin_lockout_time *= 2;
685
686 wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN for %u seconds",
687 hapd->ap_pin_lockout_time);
688 eloop_cancel_timeout(hostapd_wps_reenable_ap_pin, hapd, NULL);
689 eloop_register_timeout(hapd->ap_pin_lockout_time, 0,
690 hostapd_wps_reenable_ap_pin, hapd,
691 NULL);
692 }
693
694 return 0;
695}
696
697
698static void hostapd_pwd_auth_fail(struct hostapd_data *hapd,
699 struct wps_event_pwd_auth_fail *data)
700{
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -0700701 /* Update WPS Status - Authentication Failure */
702 wpa_printf(MSG_DEBUG, "WPS: Authentication failure update");
703 hapd->wps_stats.status = WPS_STATUS_FAILURE;
704 hapd->wps_stats.failure_reason = WPS_EI_AUTH_FAILURE;
705 os_memcpy(hapd->wps_stats.peer_addr, data->peer_macaddr, ETH_ALEN);
706
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700707 hostapd_wps_for_each(hapd, wps_pwd_auth_fail, data);
708}
709
710
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -0800711static int wps_ap_pin_success(struct hostapd_data *hapd, void *ctx)
712{
713 if (hapd->conf->ap_pin == NULL || hapd->wps == NULL)
714 return 0;
715
716 if (hapd->ap_pin_failures_consecutive == 0)
717 return 0;
718
719 wpa_printf(MSG_DEBUG, "WPS: Clear consecutive AP PIN failure counter "
720 "- total validation failures %u (%u consecutive)",
721 hapd->ap_pin_failures, hapd->ap_pin_failures_consecutive);
722 hapd->ap_pin_failures_consecutive = 0;
723
724 return 0;
725}
726
727
728static void hostapd_wps_ap_pin_success(struct hostapd_data *hapd)
729{
730 hostapd_wps_for_each(hapd, wps_ap_pin_success, NULL);
731}
732
733
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -0700734static void hostapd_wps_event_pbc_overlap(struct hostapd_data *hapd)
735{
736 /* Update WPS Status - PBC Overlap */
737 hapd->wps_stats.pbc_status = WPS_PBC_STATUS_OVERLAP;
738}
739
740
741static void hostapd_wps_event_pbc_timeout(struct hostapd_data *hapd)
742{
743 /* Update WPS PBC Status:PBC Timeout */
744 hapd->wps_stats.pbc_status = WPS_PBC_STATUS_TIMEOUT;
745}
746
747
748static void hostapd_wps_event_pbc_active(struct hostapd_data *hapd)
749{
750 /* Update WPS PBC status - Active */
751 hapd->wps_stats.pbc_status = WPS_PBC_STATUS_ACTIVE;
752}
753
754
755static void hostapd_wps_event_pbc_disable(struct hostapd_data *hapd)
756{
757 /* Update WPS PBC status - Active */
758 hapd->wps_stats.pbc_status = WPS_PBC_STATUS_DISABLE;
759}
760
761
762static void hostapd_wps_event_success(struct hostapd_data *hapd,
763 struct wps_event_success *success)
764{
765 /* Update WPS status - Success */
766 hapd->wps_stats.pbc_status = WPS_PBC_STATUS_DISABLE;
767 hapd->wps_stats.status = WPS_STATUS_SUCCESS;
768 os_memcpy(hapd->wps_stats.peer_addr, success->peer_macaddr, ETH_ALEN);
769}
770
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700771
772static void hostapd_wps_event_fail(struct hostapd_data *hapd,
773 struct wps_event_fail *fail)
774{
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -0700775 /* Update WPS status - Failure */
776 hapd->wps_stats.status = WPS_STATUS_FAILURE;
777 os_memcpy(hapd->wps_stats.peer_addr, fail->peer_macaddr, ETH_ALEN);
778
779 hapd->wps_stats.failure_reason = fail->error_indication;
780
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700781 if (fail->error_indication > 0 &&
782 fail->error_indication < NUM_WPS_EI_VALUES) {
783 wpa_msg(hapd->msg_ctx, MSG_INFO,
784 WPS_EVENT_FAIL "msg=%d config_error=%d reason=%d (%s)",
785 fail->msg, fail->config_error, fail->error_indication,
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -0700786 wps_ei_str(fail->error_indication));
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700787 } else {
788 wpa_msg(hapd->msg_ctx, MSG_INFO,
789 WPS_EVENT_FAIL "msg=%d config_error=%d",
790 fail->msg, fail->config_error);
791 }
792}
793
794
795static void hostapd_wps_event_cb(void *ctx, enum wps_event event,
796 union wps_event_data *data)
797{
798 struct hostapd_data *hapd = ctx;
799
800 switch (event) {
801 case WPS_EV_M2D:
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800802 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_M2D);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700803 break;
804 case WPS_EV_FAIL:
805 hostapd_wps_event_fail(hapd, &data->fail);
806 break;
807 case WPS_EV_SUCCESS:
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -0700808 hostapd_wps_event_success(hapd, &data->success);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800809 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_SUCCESS);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700810 break;
811 case WPS_EV_PWD_AUTH_FAIL:
812 hostapd_pwd_auth_fail(hapd, &data->pwd_auth_fail);
813 break;
814 case WPS_EV_PBC_OVERLAP:
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -0700815 hostapd_wps_event_pbc_overlap(hapd);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800816 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_OVERLAP);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700817 break;
818 case WPS_EV_PBC_TIMEOUT:
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -0700819 hostapd_wps_event_pbc_timeout(hapd);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -0800820 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_TIMEOUT);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700821 break;
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -0700822 case WPS_EV_PBC_ACTIVE:
823 hostapd_wps_event_pbc_active(hapd);
824 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_ACTIVE);
825 break;
826 case WPS_EV_PBC_DISABLE:
827 hostapd_wps_event_pbc_disable(hapd);
828 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_DISABLE);
829 break;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700830 case WPS_EV_ER_AP_ADD:
831 break;
832 case WPS_EV_ER_AP_REMOVE:
833 break;
834 case WPS_EV_ER_ENROLLEE_ADD:
835 break;
836 case WPS_EV_ER_ENROLLEE_REMOVE:
837 break;
838 case WPS_EV_ER_AP_SETTINGS:
839 break;
840 case WPS_EV_ER_SET_SELECTED_REGISTRAR:
841 break;
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -0800842 case WPS_EV_AP_PIN_SUCCESS:
843 hostapd_wps_ap_pin_success(hapd);
844 break;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700845 }
846 if (hapd->wps_event_cb)
847 hapd->wps_event_cb(hapd->wps_event_cb_ctx, event, data);
848}
849
850
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -0700851static int hostapd_wps_rf_band_cb(void *ctx)
852{
853 struct hostapd_data *hapd = ctx;
854
855 return hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211A ?
Dmitry Shmidt1d755d02015-04-28 10:34:29 -0700856 WPS_RF_50GHZ :
857 hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211AD ?
858 WPS_RF_60GHZ : WPS_RF_24GHZ; /* FIX: dualband AP */
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -0700859}
860
861
Dmitry Shmidt6cb1f652014-03-21 10:54:03 -0700862static void hostapd_wps_clear_ies(struct hostapd_data *hapd, int deinit_only)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700863{
864 wpabuf_free(hapd->wps_beacon_ie);
865 hapd->wps_beacon_ie = NULL;
866
867 wpabuf_free(hapd->wps_probe_resp_ie);
868 hapd->wps_probe_resp_ie = NULL;
869
Dmitry Shmidtdda10c22015-03-24 16:05:01 -0700870 if (deinit_only) {
Dmitry Shmidtd80a4012015-11-05 16:35:40 -0800871 if (hapd->drv_priv)
872 hostapd_reset_ap_wps_ie(hapd);
Dmitry Shmidt6cb1f652014-03-21 10:54:03 -0700873 return;
Dmitry Shmidtdda10c22015-03-24 16:05:01 -0700874 }
Dmitry Shmidt6cb1f652014-03-21 10:54:03 -0700875
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700876 hostapd_set_ap_wps_ie(hapd);
877}
878
879
880static int get_uuid_cb(struct hostapd_iface *iface, void *ctx)
881{
882 const u8 **uuid = ctx;
883 size_t j;
884
885 if (iface == NULL)
886 return 0;
887 for (j = 0; j < iface->num_bss; j++) {
888 struct hostapd_data *hapd = iface->bss[j];
Dmitry Shmidt444d5672013-04-01 13:08:44 -0700889 if (hapd->wps && !hapd->conf->wps_independent &&
890 !is_nil_uuid(hapd->wps->uuid)) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700891 *uuid = hapd->wps->uuid;
892 return 1;
893 }
894 }
895
896 return 0;
897}
898
899
900static const u8 * get_own_uuid(struct hostapd_iface *iface)
901{
902 const u8 *uuid;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700903 if (iface->interfaces == NULL ||
904 iface->interfaces->for_each_interface == NULL)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700905 return NULL;
906 uuid = NULL;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700907 iface->interfaces->for_each_interface(iface->interfaces, get_uuid_cb,
908 &uuid);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700909 return uuid;
910}
911
912
913static int count_interface_cb(struct hostapd_iface *iface, void *ctx)
914{
915 int *count= ctx;
916 (*count)++;
917 return 0;
918}
919
920
921static int interface_count(struct hostapd_iface *iface)
922{
923 int count = 0;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700924 if (iface->interfaces == NULL ||
925 iface->interfaces->for_each_interface == NULL)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700926 return 0;
Dmitry Shmidt61d9df32012-08-29 16:22:06 -0700927 iface->interfaces->for_each_interface(iface->interfaces,
928 count_interface_cb, &count);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700929 return count;
930}
931
932
933static int hostapd_wps_set_vendor_ext(struct hostapd_data *hapd,
934 struct wps_context *wps)
935{
936 int i;
937
938 for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++) {
939 wpabuf_free(wps->dev.vendor_ext[i]);
940 wps->dev.vendor_ext[i] = NULL;
941
942 if (hapd->conf->wps_vendor_ext[i] == NULL)
943 continue;
944
945 wps->dev.vendor_ext[i] =
946 wpabuf_dup(hapd->conf->wps_vendor_ext[i]);
947 if (wps->dev.vendor_ext[i] == NULL) {
948 while (--i >= 0)
949 wpabuf_free(wps->dev.vendor_ext[i]);
950 return -1;
951 }
952 }
953
954 return 0;
955}
956
957
Dmitry Shmidt6cb1f652014-03-21 10:54:03 -0700958static void hostapd_free_wps(struct wps_context *wps)
959{
960 int i;
961
962 for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++)
963 wpabuf_free(wps->dev.vendor_ext[i]);
964 wps_device_data_free(&wps->dev);
965 os_free(wps->network_key);
966 hostapd_wps_nfc_clear(wps);
967 wpabuf_free(wps->dh_pubkey);
968 wpabuf_free(wps->dh_privkey);
969 os_free(wps);
970}
971
972
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700973int hostapd_init_wps(struct hostapd_data *hapd,
974 struct hostapd_bss_config *conf)
975{
976 struct wps_context *wps;
977 struct wps_registrar_config cfg;
978
979 if (conf->wps_state == 0) {
Dmitry Shmidt6cb1f652014-03-21 10:54:03 -0700980 hostapd_wps_clear_ies(hapd, 0);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700981 return 0;
982 }
983
984 wps = os_zalloc(sizeof(*wps));
985 if (wps == NULL)
986 return -1;
987
988 wps->cred_cb = hostapd_wps_cred_cb;
989 wps->event_cb = hostapd_wps_event_cb;
Dmitry Shmidtb7b4d0e2013-08-26 12:09:05 -0700990 wps->rf_band_cb = hostapd_wps_rf_band_cb;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -0700991 wps->cb_ctx = hapd;
992
993 os_memset(&cfg, 0, sizeof(cfg));
994 wps->wps_state = hapd->conf->wps_state;
995 wps->ap_setup_locked = hapd->conf->ap_setup_locked;
996 if (is_nil_uuid(hapd->conf->uuid)) {
997 const u8 *uuid;
998 uuid = get_own_uuid(hapd->iface);
Dmitry Shmidt444d5672013-04-01 13:08:44 -0700999 if (uuid && !conf->wps_independent) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001000 os_memcpy(wps->uuid, uuid, UUID_LEN);
1001 wpa_hexdump(MSG_DEBUG, "WPS: Clone UUID from another "
1002 "interface", wps->uuid, UUID_LEN);
1003 } else {
1004 uuid_gen_mac_addr(hapd->own_addr, wps->uuid);
1005 wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC "
1006 "address", wps->uuid, UUID_LEN);
1007 }
1008 } else {
1009 os_memcpy(wps->uuid, hapd->conf->uuid, UUID_LEN);
1010 wpa_hexdump(MSG_DEBUG, "WPS: Use configured UUID",
1011 wps->uuid, UUID_LEN);
1012 }
1013 wps->ssid_len = hapd->conf->ssid.ssid_len;
1014 os_memcpy(wps->ssid, hapd->conf->ssid.ssid, wps->ssid_len);
1015 wps->ap = 1;
1016 os_memcpy(wps->dev.mac_addr, hapd->own_addr, ETH_ALEN);
1017 wps->dev.device_name = hapd->conf->device_name ?
1018 os_strdup(hapd->conf->device_name) : NULL;
1019 wps->dev.manufacturer = hapd->conf->manufacturer ?
1020 os_strdup(hapd->conf->manufacturer) : NULL;
1021 wps->dev.model_name = hapd->conf->model_name ?
1022 os_strdup(hapd->conf->model_name) : NULL;
1023 wps->dev.model_number = hapd->conf->model_number ?
1024 os_strdup(hapd->conf->model_number) : NULL;
1025 wps->dev.serial_number = hapd->conf->serial_number ?
1026 os_strdup(hapd->conf->serial_number) : NULL;
1027 wps->config_methods =
1028 wps_config_methods_str2bin(hapd->conf->config_methods);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001029 if ((wps->config_methods &
1030 (WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY |
1031 WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) {
1032 wpa_printf(MSG_INFO, "WPS: Converting display to "
1033 "virtual_display for WPS 2.0 compliance");
1034 wps->config_methods |= WPS_CONFIG_VIRT_DISPLAY;
1035 }
1036 if ((wps->config_methods &
1037 (WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_VIRT_PUSHBUTTON |
1038 WPS_CONFIG_PHY_PUSHBUTTON)) == WPS_CONFIG_PUSHBUTTON) {
1039 wpa_printf(MSG_INFO, "WPS: Converting push_button to "
1040 "virtual_push_button for WPS 2.0 compliance");
1041 wps->config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON;
1042 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001043 os_memcpy(wps->dev.pri_dev_type, hapd->conf->device_type,
1044 WPS_DEV_TYPE_LEN);
1045
Dmitry Shmidt6cb1f652014-03-21 10:54:03 -07001046 if (hostapd_wps_set_vendor_ext(hapd, wps) < 0)
1047 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001048
1049 wps->dev.os_version = WPA_GET_BE32(hapd->conf->os_version);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001050
1051 if (conf->wps_rf_bands) {
1052 wps->dev.rf_bands = conf->wps_rf_bands;
1053 } else {
1054 wps->dev.rf_bands =
1055 hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211A ?
Dmitry Shmidt1d755d02015-04-28 10:34:29 -07001056 WPS_RF_50GHZ :
1057 hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211AD ?
1058 WPS_RF_60GHZ : WPS_RF_24GHZ; /* FIX: dualband AP */
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001059 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001060
1061 if (conf->wpa & WPA_PROTO_RSN) {
1062 if (conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK)
1063 wps->auth_types |= WPS_AUTH_WPA2PSK;
1064 if (conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X)
1065 wps->auth_types |= WPS_AUTH_WPA2;
1066
Roshan Pius3a1667e2018-07-03 15:17:14 -07001067 if (conf->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP |
1068 WPA_CIPHER_CCMP_256 |
1069 WPA_CIPHER_GCMP_256)) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001070 wps->encr_types |= WPS_ENCR_AES;
Dmitry Shmidtde47be72016-01-07 12:52:55 -08001071 wps->encr_types_rsn |= WPS_ENCR_AES;
1072 }
1073 if (conf->rsn_pairwise & WPA_CIPHER_TKIP) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001074 wps->encr_types |= WPS_ENCR_TKIP;
Dmitry Shmidtde47be72016-01-07 12:52:55 -08001075 wps->encr_types_rsn |= WPS_ENCR_TKIP;
1076 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001077 }
1078
1079 if (conf->wpa & WPA_PROTO_WPA) {
1080 if (conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK)
1081 wps->auth_types |= WPS_AUTH_WPAPSK;
1082 if (conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X)
1083 wps->auth_types |= WPS_AUTH_WPA;
1084
Dmitry Shmidtde47be72016-01-07 12:52:55 -08001085 if (conf->wpa_pairwise & WPA_CIPHER_CCMP) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001086 wps->encr_types |= WPS_ENCR_AES;
Dmitry Shmidtde47be72016-01-07 12:52:55 -08001087 wps->encr_types_wpa |= WPS_ENCR_AES;
1088 }
1089 if (conf->wpa_pairwise & WPA_CIPHER_TKIP) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001090 wps->encr_types |= WPS_ENCR_TKIP;
Dmitry Shmidtde47be72016-01-07 12:52:55 -08001091 wps->encr_types_wpa |= WPS_ENCR_TKIP;
1092 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001093 }
1094
1095 if (conf->ssid.security_policy == SECURITY_PLAINTEXT) {
1096 wps->encr_types |= WPS_ENCR_NONE;
1097 wps->auth_types |= WPS_AUTH_OPEN;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001098 }
1099
1100 if (conf->ssid.wpa_psk_file) {
1101 /* Use per-device PSKs */
1102 } else if (conf->ssid.wpa_passphrase) {
1103 wps->network_key = (u8 *) os_strdup(conf->ssid.wpa_passphrase);
1104 wps->network_key_len = os_strlen(conf->ssid.wpa_passphrase);
1105 } else if (conf->ssid.wpa_psk) {
1106 wps->network_key = os_malloc(2 * PMK_LEN + 1);
Dmitry Shmidt6cb1f652014-03-21 10:54:03 -07001107 if (wps->network_key == NULL)
1108 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001109 wpa_snprintf_hex((char *) wps->network_key, 2 * PMK_LEN + 1,
1110 conf->ssid.wpa_psk->psk, PMK_LEN);
1111 wps->network_key_len = 2 * PMK_LEN;
1112 } else if (conf->ssid.wep.keys_set && conf->ssid.wep.key[0]) {
1113 wps->network_key = os_malloc(conf->ssid.wep.len[0]);
Dmitry Shmidt6cb1f652014-03-21 10:54:03 -07001114 if (wps->network_key == NULL)
1115 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001116 os_memcpy(wps->network_key, conf->ssid.wep.key[0],
1117 conf->ssid.wep.len[0]);
1118 wps->network_key_len = conf->ssid.wep.len[0];
1119 }
1120
1121 if (conf->ssid.wpa_psk) {
1122 os_memcpy(wps->psk, conf->ssid.wpa_psk->psk, PMK_LEN);
1123 wps->psk_set = 1;
1124 }
1125
Dmitry Shmidt96be6222014-02-13 10:16:51 -08001126 wps->ap_auth_type = wps->auth_types;
1127 wps->ap_encr_type = wps->encr_types;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001128 if (conf->wps_state == WPS_STATE_NOT_CONFIGURED) {
1129 /* Override parameters to enable security by default */
1130 wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK;
1131 wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP;
Dmitry Shmidtde47be72016-01-07 12:52:55 -08001132 wps->encr_types_rsn = WPS_ENCR_AES | WPS_ENCR_TKIP;
1133 wps->encr_types_wpa = WPS_ENCR_AES | WPS_ENCR_TKIP;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001134 }
1135
1136 wps->ap_settings = conf->ap_settings;
1137 wps->ap_settings_len = conf->ap_settings_len;
1138
1139 cfg.new_psk_cb = hostapd_wps_new_psk_cb;
1140 cfg.set_ie_cb = hostapd_wps_set_ie_cb;
1141 cfg.pin_needed_cb = hostapd_wps_pin_needed_cb;
1142 cfg.reg_success_cb = hostapd_wps_reg_success_cb;
1143 cfg.enrollee_seen_cb = hostapd_wps_enrollee_seen_cb;
1144 cfg.cb_ctx = hapd;
1145 cfg.skip_cred_build = conf->skip_cred_build;
1146 cfg.extra_cred = conf->extra_cred;
1147 cfg.extra_cred_len = conf->extra_cred_len;
1148 cfg.disable_auto_conf = (hapd->conf->wps_cred_processing == 1) &&
1149 conf->skip_cred_build;
1150 if (conf->ssid.security_policy == SECURITY_STATIC_WEP)
1151 cfg.static_wep_only = 1;
1152 cfg.dualband = interface_count(hapd->iface) > 1;
Dmitry Shmidta54fa5f2013-01-15 13:53:35 -08001153 if ((wps->dev.rf_bands & (WPS_RF_50GHZ | WPS_RF_24GHZ)) ==
1154 (WPS_RF_50GHZ | WPS_RF_24GHZ))
1155 cfg.dualband = 1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001156 if (cfg.dualband)
1157 wpa_printf(MSG_DEBUG, "WPS: Dualband AP");
Dmitry Shmidt391c59f2013-09-03 12:16:28 -07001158 cfg.force_per_enrollee_psk = conf->force_per_enrollee_psk;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001159
1160 wps->registrar = wps_registrar_init(wps, &cfg);
1161 if (wps->registrar == NULL) {
1162 wpa_printf(MSG_ERROR, "Failed to initialize WPS Registrar");
Dmitry Shmidt6cb1f652014-03-21 10:54:03 -07001163 goto fail;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001164 }
1165
1166#ifdef CONFIG_WPS_UPNP
1167 wps->friendly_name = hapd->conf->friendly_name;
1168 wps->manufacturer_url = hapd->conf->manufacturer_url;
1169 wps->model_description = hapd->conf->model_description;
1170 wps->model_url = hapd->conf->model_url;
1171 wps->upc = hapd->conf->upc;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001172#endif /* CONFIG_WPS_UPNP */
1173
1174 hostapd_register_probereq_cb(hapd, hostapd_wps_probe_req_rx, hapd);
1175
1176 hapd->wps = wps;
1177
1178 return 0;
Dmitry Shmidt6cb1f652014-03-21 10:54:03 -07001179
1180fail:
1181 hostapd_free_wps(wps);
1182 return -1;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001183}
1184
1185
Jouni Malinen87fd2792011-05-16 18:35:42 +03001186int hostapd_init_wps_complete(struct hostapd_data *hapd)
1187{
1188 struct wps_context *wps = hapd->wps;
1189
Jouni Malinen75ecf522011-06-27 15:19:46 -07001190 if (wps == NULL)
Jouni Malinen87fd2792011-05-16 18:35:42 +03001191 return 0;
1192
1193#ifdef CONFIG_WPS_UPNP
1194 if (hostapd_wps_upnp_init(hapd, wps) < 0) {
1195 wpa_printf(MSG_ERROR, "Failed to initialize WPS UPnP");
1196 wps_registrar_deinit(wps->registrar);
Dmitry Shmidt6cb1f652014-03-21 10:54:03 -07001197 hostapd_free_wps(wps);
Jouni Malinen87fd2792011-05-16 18:35:42 +03001198 hapd->wps = NULL;
1199 return -1;
1200 }
1201#endif /* CONFIG_WPS_UPNP */
1202
1203 return 0;
1204}
1205
1206
Dmitry Shmidt04949592012-07-19 12:16:46 -07001207static void hostapd_wps_nfc_clear(struct wps_context *wps)
1208{
1209#ifdef CONFIG_WPS_NFC
Dmitry Shmidt54605472013-11-08 11:10:19 -08001210 wpa_printf(MSG_DEBUG, "WPS: Clear NFC Tag context %p", wps);
Dmitry Shmidt04949592012-07-19 12:16:46 -07001211 wps->ap_nfc_dev_pw_id = 0;
1212 wpabuf_free(wps->ap_nfc_dh_pubkey);
1213 wps->ap_nfc_dh_pubkey = NULL;
1214 wpabuf_free(wps->ap_nfc_dh_privkey);
1215 wps->ap_nfc_dh_privkey = NULL;
1216 wpabuf_free(wps->ap_nfc_dev_pw);
1217 wps->ap_nfc_dev_pw = NULL;
1218#endif /* CONFIG_WPS_NFC */
1219}
1220
1221
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001222void hostapd_deinit_wps(struct hostapd_data *hapd)
1223{
1224 eloop_cancel_timeout(hostapd_wps_reenable_ap_pin, hapd, NULL);
1225 eloop_cancel_timeout(hostapd_wps_ap_pin_timeout, hapd, NULL);
Dmitry Shmidtfb79edc2014-01-10 10:45:54 -08001226 eloop_cancel_timeout(wps_reload_config, hapd->iface, NULL);
Dmitry Shmidt6cb1f652014-03-21 10:54:03 -07001227 if (hapd->wps == NULL) {
1228 hostapd_wps_clear_ies(hapd, 1);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001229 return;
Dmitry Shmidt6cb1f652014-03-21 10:54:03 -07001230 }
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001231#ifdef CONFIG_WPS_UPNP
1232 hostapd_wps_upnp_deinit(hapd);
1233#endif /* CONFIG_WPS_UPNP */
1234 wps_registrar_deinit(hapd->wps->registrar);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001235 wps_free_pending_msgs(hapd->wps->upnp_msgs);
Dmitry Shmidt6cb1f652014-03-21 10:54:03 -07001236 hostapd_free_wps(hapd->wps);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001237 hapd->wps = NULL;
Dmitry Shmidt6cb1f652014-03-21 10:54:03 -07001238 hostapd_wps_clear_ies(hapd, 1);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001239}
1240
1241
1242void hostapd_update_wps(struct hostapd_data *hapd)
1243{
1244 if (hapd->wps == NULL)
1245 return;
1246
1247#ifdef CONFIG_WPS_UPNP
1248 hapd->wps->friendly_name = hapd->conf->friendly_name;
1249 hapd->wps->manufacturer_url = hapd->conf->manufacturer_url;
1250 hapd->wps->model_description = hapd->conf->model_description;
1251 hapd->wps->model_url = hapd->conf->model_url;
1252 hapd->wps->upc = hapd->conf->upc;
1253#endif /* CONFIG_WPS_UPNP */
1254
1255 hostapd_wps_set_vendor_ext(hapd, hapd->wps);
1256
1257 if (hapd->conf->wps_state)
1258 wps_registrar_update_ie(hapd->wps->registrar);
1259 else
1260 hostapd_deinit_wps(hapd);
1261}
1262
1263
1264struct wps_add_pin_data {
1265 const u8 *addr;
1266 const u8 *uuid;
1267 const u8 *pin;
1268 size_t pin_len;
1269 int timeout;
1270 int added;
1271};
1272
1273
1274static int wps_add_pin(struct hostapd_data *hapd, void *ctx)
1275{
1276 struct wps_add_pin_data *data = ctx;
1277 int ret;
1278
1279 if (hapd->wps == NULL)
1280 return 0;
1281 ret = wps_registrar_add_pin(hapd->wps->registrar, data->addr,
1282 data->uuid, data->pin, data->pin_len,
1283 data->timeout);
1284 if (ret == 0)
1285 data->added++;
1286 return ret;
1287}
1288
1289
1290int hostapd_wps_add_pin(struct hostapd_data *hapd, const u8 *addr,
1291 const char *uuid, const char *pin, int timeout)
1292{
1293 u8 u[UUID_LEN];
1294 struct wps_add_pin_data data;
1295
1296 data.addr = addr;
1297 data.uuid = u;
1298 data.pin = (const u8 *) pin;
1299 data.pin_len = os_strlen(pin);
1300 data.timeout = timeout;
1301 data.added = 0;
1302
1303 if (os_strcmp(uuid, "any") == 0)
1304 data.uuid = NULL;
1305 else {
1306 if (uuid_str2bin(uuid, u))
1307 return -1;
1308 data.uuid = u;
1309 }
1310 if (hostapd_wps_for_each(hapd, wps_add_pin, &data) < 0)
1311 return -1;
1312 return data.added ? 0 : -1;
1313}
1314
1315
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08001316struct wps_button_pushed_ctx {
1317 const u8 *p2p_dev_addr;
1318 unsigned int count;
1319};
1320
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001321static int wps_button_pushed(struct hostapd_data *hapd, void *ctx)
1322{
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08001323 struct wps_button_pushed_ctx *data = ctx;
1324
1325 if (hapd->wps) {
1326 data->count++;
1327 return wps_registrar_button_pushed(hapd->wps->registrar,
1328 data->p2p_dev_addr);
1329 }
1330
1331 return 0;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001332}
1333
1334
1335int hostapd_wps_button_pushed(struct hostapd_data *hapd,
1336 const u8 *p2p_dev_addr)
1337{
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08001338 struct wps_button_pushed_ctx ctx;
1339 int ret;
1340
1341 os_memset(&ctx, 0, sizeof(ctx));
1342 ctx.p2p_dev_addr = p2p_dev_addr;
1343 ret = hostapd_wps_for_each(hapd, wps_button_pushed, &ctx);
1344 if (ret == 0 && !ctx.count)
1345 ret = -1;
1346 return ret;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001347}
1348
1349
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08001350struct wps_cancel_ctx {
1351 unsigned int count;
1352};
1353
Dmitry Shmidt04949592012-07-19 12:16:46 -07001354static int wps_cancel(struct hostapd_data *hapd, void *ctx)
1355{
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08001356 struct wps_cancel_ctx *data = ctx;
Dmitry Shmidt04949592012-07-19 12:16:46 -07001357
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08001358 if (hapd->wps) {
1359 data->count++;
1360 wps_registrar_wps_cancel(hapd->wps->registrar);
1361 ap_for_each_sta(hapd, ap_sta_wps_cancel, NULL);
1362 }
Dmitry Shmidt04949592012-07-19 12:16:46 -07001363
1364 return 0;
1365}
1366
1367
1368int hostapd_wps_cancel(struct hostapd_data *hapd)
1369{
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08001370 struct wps_cancel_ctx ctx;
1371 int ret;
1372
1373 os_memset(&ctx, 0, sizeof(ctx));
1374 ret = hostapd_wps_for_each(hapd, wps_cancel, &ctx);
1375 if (ret == 0 && !ctx.count)
1376 ret = -1;
1377 return ret;
Dmitry Shmidt04949592012-07-19 12:16:46 -07001378}
1379
1380
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001381static int hostapd_wps_probe_req_rx(void *ctx, const u8 *addr, const u8 *da,
1382 const u8 *bssid,
Dmitry Shmidt04949592012-07-19 12:16:46 -07001383 const u8 *ie, size_t ie_len,
1384 int ssi_signal)
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001385{
1386 struct hostapd_data *hapd = ctx;
1387 struct wpabuf *wps_ie;
1388 struct ieee802_11_elems elems;
1389
1390 if (hapd->wps == NULL)
1391 return 0;
1392
1393 if (ieee802_11_parse_elems(ie, ie_len, &elems, 0) == ParseFailed) {
1394 wpa_printf(MSG_DEBUG, "WPS: Could not parse ProbeReq from "
1395 MACSTR, MAC2STR(addr));
1396 return 0;
1397 }
1398
1399 if (elems.ssid && elems.ssid_len > 0 &&
1400 (elems.ssid_len != hapd->conf->ssid.ssid_len ||
1401 os_memcmp(elems.ssid, hapd->conf->ssid.ssid, elems.ssid_len) !=
1402 0))
1403 return 0; /* Not for us */
1404
1405 wps_ie = ieee802_11_vendor_ie_concat(ie, ie_len, WPS_DEV_OUI_WFA);
1406 if (wps_ie == NULL)
1407 return 0;
1408 if (wps_validate_probe_req(wps_ie, addr) < 0) {
1409 wpabuf_free(wps_ie);
1410 return 0;
1411 }
1412
1413 if (wpabuf_len(wps_ie) > 0) {
1414 int p2p_wildcard = 0;
1415#ifdef CONFIG_P2P
1416 if (elems.ssid && elems.ssid_len == P2P_WILDCARD_SSID_LEN &&
1417 os_memcmp(elems.ssid, P2P_WILDCARD_SSID,
1418 P2P_WILDCARD_SSID_LEN) == 0)
1419 p2p_wildcard = 1;
1420#endif /* CONFIG_P2P */
1421 wps_registrar_probe_req_rx(hapd->wps->registrar, addr, wps_ie,
1422 p2p_wildcard);
1423#ifdef CONFIG_WPS_UPNP
1424 /* FIX: what exactly should be included in the WLANEvent?
1425 * WPS attributes? Full ProbeReq frame? */
1426 if (!p2p_wildcard)
1427 upnp_wps_device_send_wlan_event(
1428 hapd->wps_upnp, addr,
1429 UPNP_WPS_WLANEVENT_TYPE_PROBE, wps_ie);
1430#endif /* CONFIG_WPS_UPNP */
1431 }
1432
1433 wpabuf_free(wps_ie);
1434
1435 return 0;
1436}
1437
1438
1439#ifdef CONFIG_WPS_UPNP
1440
1441static int hostapd_rx_req_put_wlan_response(
1442 void *priv, enum upnp_wps_wlanevent_type ev_type,
1443 const u8 *mac_addr, const struct wpabuf *msg,
1444 enum wps_msg_type msg_type)
1445{
1446 struct hostapd_data *hapd = priv;
1447 struct sta_info *sta;
1448 struct upnp_pending_message *p;
1449
1450 wpa_printf(MSG_DEBUG, "WPS UPnP: PutWLANResponse ev_type=%d mac_addr="
1451 MACSTR, ev_type, MAC2STR(mac_addr));
1452 wpa_hexdump(MSG_MSGDUMP, "WPS UPnP: PutWLANResponse NewMessage",
1453 wpabuf_head(msg), wpabuf_len(msg));
1454 if (ev_type != UPNP_WPS_WLANEVENT_TYPE_EAP) {
1455 wpa_printf(MSG_DEBUG, "WPS UPnP: Ignored unexpected "
1456 "PutWLANResponse WLANEventType %d", ev_type);
1457 return -1;
1458 }
1459
1460 /*
1461 * EAP response to ongoing to WPS Registration. Send it to EAP-WSC
1462 * server implementation for delivery to the peer.
1463 */
1464
1465 sta = ap_get_sta(hapd, mac_addr);
1466#ifndef CONFIG_WPS_STRICT
1467 if (!sta) {
1468 /*
1469 * Workaround - Intel wsccmd uses bogus NewWLANEventMAC:
1470 * Pick STA that is in an ongoing WPS registration without
1471 * checking the MAC address.
1472 */
1473 wpa_printf(MSG_DEBUG, "WPS UPnP: No matching STA found based "
1474 "on NewWLANEventMAC; try wildcard match");
1475 for (sta = hapd->sta_list; sta; sta = sta->next) {
1476 if (sta->eapol_sm && (sta->flags & WLAN_STA_WPS))
1477 break;
1478 }
1479 }
1480#endif /* CONFIG_WPS_STRICT */
1481
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001482 if (!sta || !(sta->flags & WLAN_STA_WPS)) {
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001483 wpa_printf(MSG_DEBUG, "WPS UPnP: No matching STA found");
1484 return 0;
1485 }
1486
Dmitry Shmidt13ca8d82014-02-20 10:18:40 -08001487 if (!sta->eapol_sm) {
1488 /*
1489 * This can happen, e.g., if an ER sends an extra message after
1490 * the station has disassociated (but not fully
1491 * deauthenticated).
1492 */
1493 wpa_printf(MSG_DEBUG, "WPS UPnP: Matching STA did not have EAPOL state machine initialized");
1494 return 0;
1495 }
1496
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001497 p = os_zalloc(sizeof(*p));
1498 if (p == NULL)
1499 return -1;
1500 os_memcpy(p->addr, sta->addr, ETH_ALEN);
1501 p->msg = wpabuf_dup(msg);
1502 p->type = msg_type;
1503 p->next = hapd->wps->upnp_msgs;
1504 hapd->wps->upnp_msgs = p;
1505
1506 return eapol_auth_eap_pending_cb(sta->eapol_sm, sta->eapol_sm->eap);
1507}
1508
1509
1510static int hostapd_wps_upnp_init(struct hostapd_data *hapd,
1511 struct wps_context *wps)
1512{
1513 struct upnp_wps_device_ctx *ctx;
1514
1515 if (!hapd->conf->upnp_iface)
1516 return 0;
1517 ctx = os_zalloc(sizeof(*ctx));
1518 if (ctx == NULL)
1519 return -1;
1520
1521 ctx->rx_req_put_wlan_response = hostapd_rx_req_put_wlan_response;
1522 if (hapd->conf->ap_pin)
1523 ctx->ap_pin = os_strdup(hapd->conf->ap_pin);
1524
1525 hapd->wps_upnp = upnp_wps_device_init(ctx, wps, hapd,
1526 hapd->conf->upnp_iface);
1527 if (hapd->wps_upnp == NULL)
1528 return -1;
1529 wps->wps_upnp = hapd->wps_upnp;
1530
1531 return 0;
1532}
1533
1534
1535static void hostapd_wps_upnp_deinit(struct hostapd_data *hapd)
1536{
1537 upnp_wps_device_deinit(hapd->wps_upnp, hapd);
1538}
1539
1540#endif /* CONFIG_WPS_UPNP */
1541
1542
1543int hostapd_wps_get_mib_sta(struct hostapd_data *hapd, const u8 *addr,
1544 char *buf, size_t buflen)
1545{
1546 if (hapd->wps == NULL)
1547 return 0;
1548 return wps_registrar_get_info(hapd->wps->registrar, addr, buf, buflen);
1549}
1550
1551
1552static void hostapd_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
1553{
1554 struct hostapd_data *hapd = eloop_data;
1555 wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
1556 hostapd_wps_ap_pin_disable(hapd);
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001557 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_PIN_DISABLED);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001558}
1559
1560
1561static void hostapd_wps_ap_pin_enable(struct hostapd_data *hapd, int timeout)
1562{
1563 wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
1564 hapd->ap_pin_failures = 0;
Dmitry Shmidtc5ec7f52012-03-06 16:33:24 -08001565 hapd->ap_pin_failures_consecutive = 0;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001566 hapd->conf->ap_setup_locked = 0;
1567 if (hapd->wps->ap_setup_locked) {
1568 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_SETUP_UNLOCKED);
1569 hapd->wps->ap_setup_locked = 0;
1570 wps_registrar_update_ie(hapd->wps->registrar);
1571 }
1572 eloop_cancel_timeout(hostapd_wps_ap_pin_timeout, hapd, NULL);
1573 if (timeout > 0)
1574 eloop_register_timeout(timeout, 0,
1575 hostapd_wps_ap_pin_timeout, hapd, NULL);
1576}
1577
1578
1579static int wps_ap_pin_disable(struct hostapd_data *hapd, void *ctx)
1580{
1581 os_free(hapd->conf->ap_pin);
1582 hapd->conf->ap_pin = NULL;
1583#ifdef CONFIG_WPS_UPNP
1584 upnp_wps_set_ap_pin(hapd->wps_upnp, NULL);
1585#endif /* CONFIG_WPS_UPNP */
1586 eloop_cancel_timeout(hostapd_wps_ap_pin_timeout, hapd, NULL);
1587 return 0;
1588}
1589
1590
1591void hostapd_wps_ap_pin_disable(struct hostapd_data *hapd)
1592{
1593 wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
1594 hostapd_wps_for_each(hapd, wps_ap_pin_disable, NULL);
1595}
1596
1597
1598struct wps_ap_pin_data {
1599 char pin_txt[9];
1600 int timeout;
1601};
1602
1603
1604static int wps_ap_pin_set(struct hostapd_data *hapd, void *ctx)
1605{
1606 struct wps_ap_pin_data *data = ctx;
Dmitry Shmidtd80a4012015-11-05 16:35:40 -08001607
1608 if (!hapd->wps)
1609 return 0;
1610
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001611 os_free(hapd->conf->ap_pin);
1612 hapd->conf->ap_pin = os_strdup(data->pin_txt);
1613#ifdef CONFIG_WPS_UPNP
1614 upnp_wps_set_ap_pin(hapd->wps_upnp, data->pin_txt);
1615#endif /* CONFIG_WPS_UPNP */
1616 hostapd_wps_ap_pin_enable(hapd, data->timeout);
1617 return 0;
1618}
1619
1620
1621const char * hostapd_wps_ap_pin_random(struct hostapd_data *hapd, int timeout)
1622{
1623 unsigned int pin;
1624 struct wps_ap_pin_data data;
1625
Dmitry Shmidt57c2d392016-02-23 13:40:19 -08001626 if (wps_generate_pin(&pin) < 0)
1627 return NULL;
Dmitry Shmidt1f69aa52012-01-24 16:10:04 -08001628 os_snprintf(data.pin_txt, sizeof(data.pin_txt), "%08u", pin);
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001629 data.timeout = timeout;
1630 hostapd_wps_for_each(hapd, wps_ap_pin_set, &data);
1631 return hapd->conf->ap_pin;
1632}
1633
1634
1635const char * hostapd_wps_ap_pin_get(struct hostapd_data *hapd)
1636{
1637 return hapd->conf->ap_pin;
1638}
1639
1640
1641int hostapd_wps_ap_pin_set(struct hostapd_data *hapd, const char *pin,
1642 int timeout)
1643{
1644 struct wps_ap_pin_data data;
1645 int ret;
1646
1647 ret = os_snprintf(data.pin_txt, sizeof(data.pin_txt), "%s", pin);
Dmitry Shmidt6c0da2b2015-01-05 13:08:17 -08001648 if (os_snprintf_error(sizeof(data.pin_txt), ret))
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001649 return -1;
1650 data.timeout = timeout;
1651 return hostapd_wps_for_each(hapd, wps_ap_pin_set, &data);
1652}
1653
1654
1655static int wps_update_ie(struct hostapd_data *hapd, void *ctx)
1656{
1657 if (hapd->wps)
1658 wps_registrar_update_ie(hapd->wps->registrar);
1659 return 0;
1660}
1661
1662
1663void hostapd_wps_update_ie(struct hostapd_data *hapd)
1664{
1665 hostapd_wps_for_each(hapd, wps_update_ie, NULL);
1666}
1667
1668
1669int hostapd_wps_config_ap(struct hostapd_data *hapd, const char *ssid,
1670 const char *auth, const char *encr, const char *key)
1671{
1672 struct wps_credential cred;
1673 size_t len;
1674
1675 os_memset(&cred, 0, sizeof(cred));
1676
1677 len = os_strlen(ssid);
1678 if ((len & 1) || len > 2 * sizeof(cred.ssid) ||
1679 hexstr2bin(ssid, cred.ssid, len / 2))
1680 return -1;
1681 cred.ssid_len = len / 2;
1682
1683 if (os_strncmp(auth, "OPEN", 4) == 0)
1684 cred.auth_type = WPS_AUTH_OPEN;
1685 else if (os_strncmp(auth, "WPAPSK", 6) == 0)
1686 cred.auth_type = WPS_AUTH_WPAPSK;
1687 else if (os_strncmp(auth, "WPA2PSK", 7) == 0)
1688 cred.auth_type = WPS_AUTH_WPA2PSK;
1689 else
1690 return -1;
1691
1692 if (encr) {
1693 if (os_strncmp(encr, "NONE", 4) == 0)
1694 cred.encr_type = WPS_ENCR_NONE;
Dmitry Shmidt8d520ff2011-05-09 14:06:53 -07001695 else if (os_strncmp(encr, "TKIP", 4) == 0)
1696 cred.encr_type = WPS_ENCR_TKIP;
1697 else if (os_strncmp(encr, "CCMP", 4) == 0)
1698 cred.encr_type = WPS_ENCR_AES;
1699 else
1700 return -1;
1701 } else
1702 cred.encr_type = WPS_ENCR_NONE;
1703
1704 if (key) {
1705 len = os_strlen(key);
1706 if ((len & 1) || len > 2 * sizeof(cred.key) ||
1707 hexstr2bin(key, cred.key, len / 2))
1708 return -1;
1709 cred.key_len = len / 2;
1710 }
1711
1712 return wps_registrar_config_ap(hapd->wps->registrar, &cred);
1713}
Dmitry Shmidt04949592012-07-19 12:16:46 -07001714
1715
1716#ifdef CONFIG_WPS_NFC
1717
1718struct wps_nfc_password_token_data {
1719 const u8 *oob_dev_pw;
1720 size_t oob_dev_pw_len;
1721 int added;
1722};
1723
1724
1725static int wps_add_nfc_password_token(struct hostapd_data *hapd, void *ctx)
1726{
1727 struct wps_nfc_password_token_data *data = ctx;
1728 int ret;
1729
1730 if (hapd->wps == NULL)
1731 return 0;
1732 ret = wps_registrar_add_nfc_password_token(hapd->wps->registrar,
1733 data->oob_dev_pw,
1734 data->oob_dev_pw_len);
1735 if (ret == 0)
1736 data->added++;
1737 return ret;
1738}
1739
1740
1741static int hostapd_wps_add_nfc_password_token(struct hostapd_data *hapd,
1742 struct wps_parse_attr *attr)
1743{
1744 struct wps_nfc_password_token_data data;
1745
1746 data.oob_dev_pw = attr->oob_dev_password;
1747 data.oob_dev_pw_len = attr->oob_dev_password_len;
1748 data.added = 0;
1749 if (hostapd_wps_for_each(hapd, wps_add_nfc_password_token, &data) < 0)
1750 return -1;
1751 return data.added ? 0 : -1;
1752}
1753
1754
1755static int hostapd_wps_nfc_tag_process(struct hostapd_data *hapd,
1756 const struct wpabuf *wps)
1757{
1758 struct wps_parse_attr attr;
1759
1760 wpa_hexdump_buf(MSG_DEBUG, "WPS: Received NFC tag payload", wps);
1761
1762 if (wps_parse_msg(wps, &attr)) {
1763 wpa_printf(MSG_DEBUG, "WPS: Ignore invalid data from NFC tag");
1764 return -1;
1765 }
1766
1767 if (attr.oob_dev_password)
1768 return hostapd_wps_add_nfc_password_token(hapd, &attr);
1769
1770 wpa_printf(MSG_DEBUG, "WPS: Ignore unrecognized NFC tag");
1771 return -1;
1772}
1773
1774
1775int hostapd_wps_nfc_tag_read(struct hostapd_data *hapd,
1776 const struct wpabuf *data)
1777{
1778 const struct wpabuf *wps = data;
1779 struct wpabuf *tmp = NULL;
1780 int ret;
1781
1782 if (wpabuf_len(data) < 4)
1783 return -1;
1784
1785 if (*wpabuf_head_u8(data) != 0x10) {
1786 /* Assume this contains full NDEF record */
1787 tmp = ndef_parse_wifi(data);
1788 if (tmp == NULL) {
1789 wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF");
1790 return -1;
1791 }
1792 wps = tmp;
1793 }
1794
1795 ret = hostapd_wps_nfc_tag_process(hapd, wps);
1796 wpabuf_free(tmp);
1797 return ret;
1798}
1799
1800
1801struct wpabuf * hostapd_wps_nfc_config_token(struct hostapd_data *hapd,
1802 int ndef)
1803{
1804 struct wpabuf *ret;
1805
1806 if (hapd->wps == NULL)
1807 return NULL;
1808
Dmitry Shmidtcf32e602014-01-28 10:57:39 -08001809 ret = wps_get_oob_cred(hapd->wps, hostapd_wps_rf_band_cb(hapd),
1810 hapd->iconf->channel);
Dmitry Shmidt04949592012-07-19 12:16:46 -07001811 if (ndef && ret) {
1812 struct wpabuf *tmp;
1813 tmp = ndef_build_wifi(ret);
1814 wpabuf_free(ret);
1815 if (tmp == NULL)
1816 return NULL;
1817 ret = tmp;
1818 }
1819
1820 return ret;
1821}
1822
1823
Dmitry Shmidtf8623282013-02-20 14:34:59 -08001824struct wpabuf * hostapd_wps_nfc_hs_cr(struct hostapd_data *hapd, int ndef)
1825{
Dmitry Shmidtcf32e602014-01-28 10:57:39 -08001826 struct wpabuf *ret;
1827
1828 if (hapd->wps == NULL)
1829 return NULL;
1830
1831 if (hapd->conf->wps_nfc_dh_pubkey == NULL) {
1832 struct wps_context *wps = hapd->wps;
1833 if (wps_nfc_gen_dh(&hapd->conf->wps_nfc_dh_pubkey,
1834 &hapd->conf->wps_nfc_dh_privkey) < 0)
1835 return NULL;
1836 hostapd_wps_nfc_clear(wps);
1837 wps->ap_nfc_dev_pw_id = DEV_PW_NFC_CONNECTION_HANDOVER;
1838 wps->ap_nfc_dh_pubkey =
1839 wpabuf_dup(hapd->conf->wps_nfc_dh_pubkey);
1840 wps->ap_nfc_dh_privkey =
1841 wpabuf_dup(hapd->conf->wps_nfc_dh_privkey);
1842 if (!wps->ap_nfc_dh_pubkey || !wps->ap_nfc_dh_privkey) {
1843 hostapd_wps_nfc_clear(wps);
1844 return NULL;
1845 }
1846 }
1847
1848 ret = wps_build_nfc_handover_sel(hapd->wps,
1849 hapd->conf->wps_nfc_dh_pubkey,
1850 hapd->own_addr, hapd->iface->freq);
1851
1852 if (ndef && ret) {
1853 struct wpabuf *tmp;
1854 tmp = ndef_build_wifi(ret);
1855 wpabuf_free(ret);
1856 if (tmp == NULL)
1857 return NULL;
1858 ret = tmp;
1859 }
1860
1861 return ret;
1862}
1863
1864
1865int hostapd_wps_nfc_report_handover(struct hostapd_data *hapd,
1866 const struct wpabuf *req,
1867 const struct wpabuf *sel)
1868{
1869 struct wpabuf *wps;
1870 int ret = -1;
1871 u16 wsc_len;
1872 const u8 *pos;
1873 struct wpabuf msg;
1874 struct wps_parse_attr attr;
1875 u16 dev_pw_id;
1876
Dmitry Shmidtf8623282013-02-20 14:34:59 -08001877 /*
Dmitry Shmidtcf32e602014-01-28 10:57:39 -08001878 * Enrollee/station is always initiator of the NFC connection handover,
1879 * so use the request message here to find Enrollee public key hash.
Dmitry Shmidtf8623282013-02-20 14:34:59 -08001880 */
Dmitry Shmidtcf32e602014-01-28 10:57:39 -08001881 wps = ndef_parse_wifi(req);
1882 if (wps == NULL)
1883 return -1;
1884 wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc "
1885 "payload from NFC connection handover");
1886 wpa_hexdump_buf(MSG_DEBUG, "WPS: NFC payload", wps);
1887 if (wpabuf_len(wps) < 2) {
1888 wpa_printf(MSG_DEBUG, "WPS: Too short Wi-Fi Handover Request "
1889 "Message");
1890 goto out;
1891 }
1892 pos = wpabuf_head(wps);
1893 wsc_len = WPA_GET_BE16(pos);
1894 if (wsc_len > wpabuf_len(wps) - 2) {
1895 wpa_printf(MSG_DEBUG, "WPS: Invalid WSC attribute length (%u) "
1896 "in rt Wi-Fi Handover Request Message", wsc_len);
1897 goto out;
1898 }
1899 pos += 2;
1900
1901 wpa_hexdump(MSG_DEBUG,
1902 "WPS: WSC attributes in Wi-Fi Handover Request Message",
1903 pos, wsc_len);
1904 if (wsc_len < wpabuf_len(wps) - 2) {
1905 wpa_hexdump(MSG_DEBUG,
1906 "WPS: Ignore extra data after WSC attributes",
1907 pos + wsc_len, wpabuf_len(wps) - 2 - wsc_len);
1908 }
1909
1910 wpabuf_set(&msg, pos, wsc_len);
1911 ret = wps_parse_msg(&msg, &attr);
1912 if (ret < 0) {
1913 wpa_printf(MSG_DEBUG, "WPS: Could not parse WSC attributes in "
1914 "Wi-Fi Handover Request Message");
1915 goto out;
1916 }
1917
1918 if (attr.oob_dev_password == NULL ||
1919 attr.oob_dev_password_len < WPS_OOB_PUBKEY_HASH_LEN + 2) {
1920 wpa_printf(MSG_DEBUG, "WPS: No Out-of-Band Device Password "
1921 "included in Wi-Fi Handover Request Message");
1922 ret = -1;
1923 goto out;
1924 }
1925
1926 if (attr.uuid_e == NULL) {
1927 wpa_printf(MSG_DEBUG, "WPS: No UUID-E included in Wi-Fi "
1928 "Handover Request Message");
1929 ret = -1;
1930 goto out;
1931 }
1932
1933 wpa_hexdump(MSG_DEBUG, "WPS: UUID-E", attr.uuid_e, WPS_UUID_LEN);
1934
1935 wpa_hexdump(MSG_DEBUG, "WPS: Out-of-Band Device Password",
1936 attr.oob_dev_password, attr.oob_dev_password_len);
1937 dev_pw_id = WPA_GET_BE16(attr.oob_dev_password +
1938 WPS_OOB_PUBKEY_HASH_LEN);
1939 if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER) {
1940 wpa_printf(MSG_DEBUG, "WPS: Unexpected OOB Device Password ID "
1941 "%u in Wi-Fi Handover Request Message", dev_pw_id);
1942 ret = -1;
1943 goto out;
1944 }
1945 wpa_hexdump(MSG_DEBUG, "WPS: Enrollee Public Key hash",
1946 attr.oob_dev_password, WPS_OOB_PUBKEY_HASH_LEN);
1947
1948 ret = wps_registrar_add_nfc_pw_token(hapd->wps->registrar,
1949 attr.oob_dev_password,
1950 DEV_PW_NFC_CONNECTION_HANDOVER,
1951 NULL, 0, 1);
1952
1953out:
1954 wpabuf_free(wps);
1955 return ret;
Dmitry Shmidtf8623282013-02-20 14:34:59 -08001956}
1957
1958
Dmitry Shmidt04949592012-07-19 12:16:46 -07001959struct wpabuf * hostapd_wps_nfc_token_gen(struct hostapd_data *hapd, int ndef)
1960{
Dmitry Shmidtf8623282013-02-20 14:34:59 -08001961 if (hapd->conf->wps_nfc_pw_from_config) {
1962 return wps_nfc_token_build(ndef,
1963 hapd->conf->wps_nfc_dev_pw_id,
1964 hapd->conf->wps_nfc_dh_pubkey,
1965 hapd->conf->wps_nfc_dev_pw);
1966 }
1967
Dmitry Shmidt04949592012-07-19 12:16:46 -07001968 return wps_nfc_token_gen(ndef, &hapd->conf->wps_nfc_dev_pw_id,
1969 &hapd->conf->wps_nfc_dh_pubkey,
1970 &hapd->conf->wps_nfc_dh_privkey,
1971 &hapd->conf->wps_nfc_dev_pw);
1972}
1973
1974
1975int hostapd_wps_nfc_token_enable(struct hostapd_data *hapd)
1976{
1977 struct wps_context *wps = hapd->wps;
Dmitry Shmidt33e38bf2013-02-27 12:56:00 -08001978 struct wpabuf *pw;
Dmitry Shmidt04949592012-07-19 12:16:46 -07001979
1980 if (wps == NULL)
1981 return -1;
1982
1983 if (!hapd->conf->wps_nfc_dh_pubkey ||
1984 !hapd->conf->wps_nfc_dh_privkey ||
1985 !hapd->conf->wps_nfc_dev_pw ||
1986 !hapd->conf->wps_nfc_dev_pw_id)
1987 return -1;
1988
1989 hostapd_wps_nfc_clear(wps);
Dmitry Shmidt54605472013-11-08 11:10:19 -08001990 wpa_printf(MSG_DEBUG,
1991 "WPS: Enable NFC Tag (Dev Pw Id %u) for AP interface %s (context %p)",
1992 hapd->conf->wps_nfc_dev_pw_id, hapd->conf->iface, wps);
Dmitry Shmidt04949592012-07-19 12:16:46 -07001993 wps->ap_nfc_dev_pw_id = hapd->conf->wps_nfc_dev_pw_id;
1994 wps->ap_nfc_dh_pubkey = wpabuf_dup(hapd->conf->wps_nfc_dh_pubkey);
1995 wps->ap_nfc_dh_privkey = wpabuf_dup(hapd->conf->wps_nfc_dh_privkey);
Dmitry Shmidt33e38bf2013-02-27 12:56:00 -08001996 pw = hapd->conf->wps_nfc_dev_pw;
1997 wps->ap_nfc_dev_pw = wpabuf_alloc(
1998 wpabuf_len(pw) * 2 + 1);
1999 if (wps->ap_nfc_dev_pw) {
2000 wpa_snprintf_hex_uppercase(
2001 (char *) wpabuf_put(wps->ap_nfc_dev_pw,
2002 wpabuf_len(pw) * 2),
2003 wpabuf_len(pw) * 2 + 1,
2004 wpabuf_head(pw), wpabuf_len(pw));
2005 }
Dmitry Shmidt04949592012-07-19 12:16:46 -07002006
2007 if (!wps->ap_nfc_dh_pubkey || !wps->ap_nfc_dh_privkey ||
2008 !wps->ap_nfc_dev_pw) {
2009 hostapd_wps_nfc_clear(wps);
2010 return -1;
2011 }
2012
2013 return 0;
2014}
2015
2016
2017void hostapd_wps_nfc_token_disable(struct hostapd_data *hapd)
2018{
Dmitry Shmidt54605472013-11-08 11:10:19 -08002019 wpa_printf(MSG_DEBUG, "WPS: Disable NFC token for AP interface %s",
2020 hapd->conf->iface);
Dmitry Shmidt04949592012-07-19 12:16:46 -07002021 hostapd_wps_nfc_clear(hapd->wps);
2022}
2023
2024#endif /* CONFIG_WPS_NFC */