Line data Source code
1 : /*
2 : * hostapd / WPS integration
3 : * Copyright (c) 2008-2016, Jouni Malinen <j@w1.fi>
4 : *
5 : * This software may be distributed under the terms of the BSD license.
6 : * See README for more details.
7 : */
8 :
9 : #include "utils/includes.h"
10 :
11 : #include "utils/common.h"
12 : #include "utils/eloop.h"
13 : #include "utils/uuid.h"
14 : #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"
22 : #include "wps/wps_attr_parse.h"
23 : #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"
33 : static int hostapd_wps_upnp_init(struct hostapd_data *hapd,
34 : struct wps_context *wps);
35 : static void hostapd_wps_upnp_deinit(struct hostapd_data *hapd);
36 : #endif /* CONFIG_WPS_UPNP */
37 :
38 : static int hostapd_wps_probe_req_rx(void *ctx, const u8 *addr, const u8 *da,
39 : const u8 *bssid,
40 : const u8 *ie, size_t ie_len,
41 : int ssi_signal);
42 : static void hostapd_wps_ap_pin_timeout(void *eloop_data, void *user_ctx);
43 : static void hostapd_wps_nfc_clear(struct wps_context *wps);
44 :
45 :
46 : struct wps_for_each_data {
47 : int (*func)(struct hostapd_data *h, void *ctx);
48 : void *ctx;
49 : struct hostapd_data *calling_hapd;
50 : };
51 :
52 :
53 872 : static int wps_for_each(struct hostapd_iface *iface, void *ctx)
54 : {
55 872 : struct wps_for_each_data *data = ctx;
56 : size_t j;
57 :
58 872 : if (iface == NULL)
59 0 : return 0;
60 1740 : for (j = 0; j < iface->num_bss; j++) {
61 872 : struct hostapd_data *hapd = iface->bss[j];
62 : int ret;
63 :
64 896 : if (hapd != data->calling_hapd &&
65 44 : (hapd->conf->wps_independent ||
66 20 : data->calling_hapd->conf->wps_independent))
67 4 : continue;
68 :
69 868 : ret = data->func(hapd, data->ctx);
70 868 : if (ret)
71 4 : return ret;
72 : }
73 :
74 868 : return 0;
75 : }
76 :
77 :
78 848 : static int hostapd_wps_for_each(struct hostapd_data *hapd,
79 : int (*func)(struct hostapd_data *h, void *ctx),
80 : void *ctx)
81 : {
82 848 : struct hostapd_iface *iface = hapd->iface;
83 : struct wps_for_each_data data;
84 848 : data.func = func;
85 848 : data.ctx = ctx;
86 848 : data.calling_hapd = hapd;
87 1215 : if (iface->interfaces == NULL ||
88 367 : iface->interfaces->for_each_interface == NULL)
89 481 : return wps_for_each(iface, &data);
90 367 : return iface->interfaces->for_each_interface(iface->interfaces,
91 : wps_for_each, &data);
92 : }
93 :
94 :
95 15 : static int hostapd_wps_new_psk_cb(void *ctx, const u8 *mac_addr,
96 : const u8 *p2p_dev_addr, const u8 *psk,
97 : size_t psk_len)
98 : {
99 15 : struct hostapd_data *hapd = ctx;
100 : struct hostapd_wpa_psk *p;
101 15 : struct hostapd_ssid *ssid = &hapd->conf->ssid;
102 :
103 15 : if (is_zero_ether_addr(p2p_dev_addr)) {
104 48 : wpa_printf(MSG_DEBUG,
105 : "Received new WPA/WPA2-PSK from WPS for STA " MACSTR,
106 48 : MAC2STR(mac_addr));
107 : } else {
108 84 : wpa_printf(MSG_DEBUG,
109 : "Received new WPA/WPA2-PSK from WPS for STA " MACSTR
110 : " P2P Device Addr " MACSTR,
111 84 : MAC2STR(mac_addr), MAC2STR(p2p_dev_addr));
112 : }
113 15 : wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len);
114 :
115 15 : if (psk_len != PMK_LEN) {
116 0 : wpa_printf(MSG_DEBUG, "Unexpected PSK length %lu",
117 : (unsigned long) psk_len);
118 0 : return -1;
119 : }
120 :
121 : /* Add the new PSK to runtime PSK list */
122 15 : p = os_zalloc(sizeof(*p));
123 15 : if (p == NULL)
124 0 : return -1;
125 15 : os_memcpy(p->addr, mac_addr, ETH_ALEN);
126 15 : os_memcpy(p->p2p_dev_addr, p2p_dev_addr, ETH_ALEN);
127 15 : os_memcpy(p->psk, psk, PMK_LEN);
128 :
129 15 : if (hapd->new_psk_cb) {
130 8 : hapd->new_psk_cb(hapd->new_psk_cb_ctx, mac_addr, p2p_dev_addr,
131 : psk, psk_len);
132 : }
133 :
134 15 : p->next = ssid->wpa_psk;
135 15 : ssid->wpa_psk = p;
136 :
137 15 : 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 7 : f = fopen(ssid->wpa_psk_file, "a");
142 7 : if (f == NULL) {
143 3 : wpa_printf(MSG_DEBUG, "Failed to add the PSK to "
144 : "'%s'", ssid->wpa_psk_file);
145 3 : return -1;
146 : }
147 :
148 4 : wpa_snprintf_hex(hex, sizeof(hex), psk, psk_len);
149 4 : fprintf(f, MACSTR " %s\n", MAC2STR(mac_addr), hex);
150 4 : fclose(f);
151 : }
152 :
153 12 : return 0;
154 : }
155 :
156 :
157 1844 : static int hostapd_wps_set_ie_cb(void *ctx, struct wpabuf *beacon_ie,
158 : struct wpabuf *probe_resp_ie)
159 : {
160 1844 : struct hostapd_data *hapd = ctx;
161 1844 : wpabuf_free(hapd->wps_beacon_ie);
162 1844 : hapd->wps_beacon_ie = beacon_ie;
163 1844 : wpabuf_free(hapd->wps_probe_resp_ie);
164 1844 : hapd->wps_probe_resp_ie = probe_resp_ie;
165 1844 : if (hapd->beacon_set_done)
166 1148 : ieee802_11_set_beacon(hapd);
167 1844 : return hostapd_set_ap_wps_ie(hapd);
168 : }
169 :
170 :
171 22 : static void hostapd_wps_pin_needed_cb(void *ctx, const u8 *uuid_e,
172 : const struct wps_device_data *dev)
173 : {
174 22 : struct hostapd_data *hapd = ctx;
175 : char uuid[40], txt[400];
176 : int len;
177 : char devtype[WPS_DEV_TYPE_BUFSIZE];
178 22 : if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
179 0 : return;
180 22 : wpa_printf(MSG_DEBUG, "WPS: PIN needed for E-UUID %s", uuid);
181 154 : len = os_snprintf(txt, sizeof(txt), WPS_EVENT_PIN_NEEDED
182 : "%s " MACSTR " [%s|%s|%s|%s|%s|%s]",
183 132 : uuid, MAC2STR(dev->mac_addr), dev->device_name,
184 : dev->manufacturer, dev->model_name,
185 : dev->model_number, dev->serial_number,
186 22 : wps_dev_type_bin2str(dev->pri_dev_type, devtype,
187 : sizeof(devtype)));
188 22 : if (!os_snprintf_error(sizeof(txt), len))
189 22 : wpa_msg(hapd->msg_ctx, MSG_INFO, "%s", txt);
190 :
191 22 : if (hapd->conf->wps_pin_requests) {
192 : FILE *f;
193 : struct os_time t;
194 1 : f = fopen(hapd->conf->wps_pin_requests, "a");
195 1 : if (f == NULL)
196 0 : return;
197 1 : os_get_time(&t);
198 7 : fprintf(f, "%ld\t%s\t" MACSTR "\t%s\t%s\t%s\t%s\t%s"
199 : "\t%s\n",
200 6 : t.sec, uuid, MAC2STR(dev->mac_addr), dev->device_name,
201 : dev->manufacturer, dev->model_name, dev->model_number,
202 : dev->serial_number,
203 1 : wps_dev_type_bin2str(dev->pri_dev_type, devtype,
204 : sizeof(devtype)));
205 1 : fclose(f);
206 : }
207 : }
208 :
209 :
210 : struct wps_stop_reg_data {
211 : struct hostapd_data *current_hapd;
212 : const u8 *uuid_e;
213 : const u8 *dev_pw;
214 : size_t dev_pw_len;
215 : };
216 :
217 300 : static int wps_stop_registrar(struct hostapd_data *hapd, void *ctx)
218 : {
219 300 : struct wps_stop_reg_data *data = ctx;
220 300 : if (hapd != data->current_hapd && hapd->wps != NULL)
221 3 : wps_registrar_complete(hapd->wps->registrar, data->uuid_e,
222 : data->dev_pw, data->dev_pw_len);
223 300 : return 0;
224 : }
225 :
226 :
227 295 : static void hostapd_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
228 : const u8 *uuid_e, const u8 *dev_pw,
229 : size_t dev_pw_len)
230 : {
231 295 : struct hostapd_data *hapd = ctx;
232 : char uuid[40];
233 : struct wps_stop_reg_data data;
234 295 : if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
235 295 : return;
236 1770 : wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_REG_SUCCESS MACSTR " %s",
237 1770 : MAC2STR(mac_addr), uuid);
238 295 : if (hapd->wps_reg_success_cb)
239 240 : hapd->wps_reg_success_cb(hapd->wps_reg_success_cb_ctx,
240 : mac_addr, uuid_e);
241 295 : data.current_hapd = hapd;
242 295 : data.uuid_e = uuid_e;
243 295 : data.dev_pw = dev_pw;
244 295 : data.dev_pw_len = dev_pw_len;
245 295 : hostapd_wps_for_each(hapd, wps_stop_registrar, &data);
246 : }
247 :
248 :
249 1668 : static 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 1668 : struct hostapd_data *hapd = ctx;
257 : char uuid[40];
258 : char devtype[WPS_DEV_TYPE_BUFSIZE];
259 1668 : if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
260 1668 : return;
261 1668 : if (dev_name == NULL)
262 0 : dev_name = "";
263 11676 : wpa_msg_ctrl(hapd->msg_ctx, MSG_INFO, WPS_EVENT_ENROLLEE_SEEN MACSTR
264 : " %s %s 0x%x %u %u [%s]",
265 10008 : 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 :
272 19 : static void wps_reload_config(void *eloop_data, void *user_ctx)
273 : {
274 19 : struct hostapd_iface *iface = eloop_data;
275 :
276 19 : wpa_printf(MSG_DEBUG, "WPS: Reload configuration data");
277 38 : if (iface->interfaces == NULL ||
278 19 : iface->interfaces->reload_config(iface) < 0) {
279 0 : wpa_printf(MSG_WARNING, "WPS: Failed to reload the updated "
280 : "configuration");
281 : }
282 19 : }
283 :
284 :
285 759 : void 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 : */
293 759 : if (eloop_deplete_timeout(0, 0, wps_reload_config, hapd->iface, NULL) ==
294 : 1)
295 14 : wpa_printf(MSG_DEBUG, "WPS: Reschedule immediate configuration reload");
296 759 : }
297 :
298 :
299 2 : static void hapd_new_ap_event(struct hostapd_data *hapd, const u8 *attr,
300 : size_t attr_len)
301 : {
302 2 : size_t blen = attr_len * 2 + 1;
303 2 : char *buf = os_malloc(blen);
304 2 : if (buf) {
305 2 : wpa_snprintf_hex(buf, blen, attr, attr_len);
306 2 : wpa_msg(hapd->msg_ctx, MSG_INFO,
307 : WPS_EVENT_NEW_AP_SETTINGS "%s", buf);
308 2 : os_free(buf);
309 : }
310 2 : }
311 :
312 :
313 19 : static int hapd_wps_reconfig_in_memory(struct hostapd_data *hapd,
314 : const struct wps_credential *cred)
315 : {
316 19 : struct hostapd_bss_config *bss = hapd->conf;
317 :
318 19 : wpa_printf(MSG_DEBUG, "WPS: Updating in-memory configuration");
319 :
320 19 : bss->wps_state = 2;
321 19 : if (cred->ssid_len <= SSID_MAX_LEN) {
322 19 : os_memcpy(bss->ssid.ssid, cred->ssid, cred->ssid_len);
323 19 : bss->ssid.ssid_len = cred->ssid_len;
324 19 : bss->ssid.ssid_set = 1;
325 : }
326 :
327 35 : if ((cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK)) &&
328 16 : (cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK)))
329 9 : bss->wpa = 3;
330 10 : else if (cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK))
331 7 : bss->wpa = 2;
332 3 : else if (cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK))
333 0 : bss->wpa = 1;
334 : else
335 3 : bss->wpa = 0;
336 :
337 19 : if (bss->wpa) {
338 16 : if (cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA))
339 0 : bss->wpa_key_mgmt = WPA_KEY_MGMT_IEEE8021X;
340 16 : if (cred->auth_type & (WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK))
341 16 : bss->wpa_key_mgmt = WPA_KEY_MGMT_PSK;
342 :
343 16 : bss->wpa_pairwise = 0;
344 16 : if (cred->encr_type & WPS_ENCR_AES) {
345 16 : if (hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211AD)
346 0 : bss->wpa_pairwise |= WPA_CIPHER_GCMP;
347 : else
348 16 : bss->wpa_pairwise |= WPA_CIPHER_CCMP;
349 : }
350 16 : if (cred->encr_type & WPS_ENCR_TKIP)
351 9 : bss->wpa_pairwise |= WPA_CIPHER_TKIP;
352 16 : bss->rsn_pairwise = bss->wpa_pairwise;
353 16 : bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa,
354 : bss->wpa_pairwise,
355 : bss->rsn_pairwise);
356 :
357 16 : if (cred->key_len >= 8 && cred->key_len < 64) {
358 16 : os_free(bss->ssid.wpa_passphrase);
359 16 : bss->ssid.wpa_passphrase = os_zalloc(cred->key_len + 1);
360 16 : if (bss->ssid.wpa_passphrase)
361 16 : os_memcpy(bss->ssid.wpa_passphrase, cred->key,
362 : cred->key_len);
363 16 : hostapd_config_clear_wpa_psk(&bss->ssid.wpa_psk);
364 0 : } else if (cred->key_len == 64) {
365 0 : hostapd_config_clear_wpa_psk(&bss->ssid.wpa_psk);
366 0 : bss->ssid.wpa_psk =
367 0 : os_zalloc(sizeof(struct hostapd_wpa_psk));
368 0 : if (bss->ssid.wpa_psk &&
369 0 : hexstr2bin((const char *) cred->key,
370 0 : bss->ssid.wpa_psk->psk, PMK_LEN) == 0) {
371 0 : bss->ssid.wpa_psk->group = 1;
372 0 : os_free(bss->ssid.wpa_passphrase);
373 0 : bss->ssid.wpa_passphrase = NULL;
374 : }
375 : }
376 16 : bss->auth_algs = 1;
377 : } else {
378 : /*
379 : * WPS 2.0 does not allow WEP to be configured, so no need to
380 : * process that option here either.
381 : */
382 3 : bss->auth_algs = 1;
383 : }
384 :
385 : /* Schedule configuration reload after short period of time to allow
386 : * EAP-WSC to be finished.
387 : */
388 19 : eloop_register_timeout(0, 100000, wps_reload_config, hapd->iface,
389 : NULL);
390 :
391 19 : return 0;
392 : }
393 :
394 :
395 22 : static int hapd_wps_cred_cb(struct hostapd_data *hapd, void *ctx)
396 : {
397 22 : 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 22 : if (hapd->wps == NULL)
406 0 : return 0;
407 :
408 44 : wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute",
409 22 : cred->cred_attr, cred->cred_attr_len);
410 :
411 22 : wpa_printf(MSG_DEBUG, "WPS: Received new AP Settings");
412 22 : wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len);
413 22 : wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x",
414 22 : cred->auth_type);
415 22 : wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type);
416 22 : wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx);
417 44 : wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key",
418 22 : cred->key, cred->key_len);
419 132 : wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR,
420 132 : MAC2STR(cred->mac_addr));
421 :
422 43 : if ((hapd->conf->wps_cred_processing == 1 ||
423 23 : hapd->conf->wps_cred_processing == 2) && cred->cred_attr) {
424 1 : hapd_new_ap_event(hapd, cred->cred_attr, cred->cred_attr_len);
425 42 : } else if (hapd->conf->wps_cred_processing == 1 ||
426 22 : hapd->conf->wps_cred_processing == 2) {
427 : struct wpabuf *attr;
428 1 : attr = wpabuf_alloc(200);
429 1 : if (attr && wps_build_credential_wrap(attr, cred) == 0)
430 1 : hapd_new_ap_event(hapd, wpabuf_head_u8(attr),
431 : wpabuf_len(attr));
432 1 : wpabuf_free(attr);
433 : } else
434 20 : wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_NEW_AP_SETTINGS);
435 :
436 22 : if (hapd->conf->wps_cred_processing == 1)
437 1 : return 0;
438 :
439 21 : os_memcpy(hapd->wps->ssid, cred->ssid, cred->ssid_len);
440 21 : hapd->wps->ssid_len = cred->ssid_len;
441 21 : hapd->wps->encr_types = cred->encr_type;
442 21 : hapd->wps->encr_types_rsn = cred->encr_type;
443 21 : hapd->wps->encr_types_wpa = cred->encr_type;
444 21 : hapd->wps->auth_types = cred->auth_type;
445 21 : hapd->wps->ap_encr_type = cred->encr_type;
446 21 : hapd->wps->ap_auth_type = cred->auth_type;
447 21 : if (cred->key_len == 0) {
448 3 : os_free(hapd->wps->network_key);
449 3 : hapd->wps->network_key = NULL;
450 3 : hapd->wps->network_key_len = 0;
451 36 : } else if ((cred->auth_type & (WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK)) &&
452 35 : (cred->key_len < 8 || cred->key_len > 2 * PMK_LEN)) {
453 1 : wpa_printf(MSG_INFO, "WPS: Invalid key length %lu for WPA/WPA2",
454 : (unsigned long) cred->key_len);
455 1 : return -1;
456 : } else {
457 18 : if (hapd->wps->network_key == NULL ||
458 1 : hapd->wps->network_key_len < cred->key_len) {
459 17 : hapd->wps->network_key_len = 0;
460 17 : os_free(hapd->wps->network_key);
461 17 : hapd->wps->network_key = os_malloc(cred->key_len);
462 17 : if (hapd->wps->network_key == NULL)
463 0 : return -1;
464 : }
465 17 : hapd->wps->network_key_len = cred->key_len;
466 17 : os_memcpy(hapd->wps->network_key, cred->key, cred->key_len);
467 : }
468 20 : hapd->wps->wps_state = WPS_STATE_CONFIGURED;
469 :
470 20 : if (hapd->iface->config_fname == NULL)
471 19 : return hapd_wps_reconfig_in_memory(hapd, cred);
472 1 : len = os_strlen(hapd->iface->config_fname) + 5;
473 1 : tmp_fname = os_malloc(len);
474 1 : if (tmp_fname == NULL)
475 0 : return -1;
476 1 : os_snprintf(tmp_fname, len, "%s-new", hapd->iface->config_fname);
477 :
478 1 : oconf = fopen(hapd->iface->config_fname, "r");
479 1 : if (oconf == NULL) {
480 0 : wpa_printf(MSG_WARNING, "WPS: Could not open current "
481 : "configuration file");
482 0 : os_free(tmp_fname);
483 0 : return -1;
484 : }
485 :
486 1 : nconf = fopen(tmp_fname, "w");
487 1 : if (nconf == NULL) {
488 0 : wpa_printf(MSG_WARNING, "WPS: Could not write updated "
489 : "configuration file");
490 0 : os_free(tmp_fname);
491 0 : fclose(oconf);
492 0 : return -1;
493 : }
494 :
495 1 : fprintf(nconf, "# WPS configuration - START\n");
496 :
497 1 : fprintf(nconf, "wps_state=2\n");
498 :
499 1 : if (is_hex(cred->ssid, cred->ssid_len)) {
500 0 : fprintf(nconf, "ssid2=");
501 0 : for (i = 0; i < cred->ssid_len; i++)
502 0 : fprintf(nconf, "%02x", cred->ssid[i]);
503 0 : fprintf(nconf, "\n");
504 : } else {
505 1 : fprintf(nconf, "ssid=");
506 4 : for (i = 0; i < cred->ssid_len; i++)
507 3 : fputc(cred->ssid[i], nconf);
508 1 : fprintf(nconf, "\n");
509 : }
510 :
511 2 : if ((cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK)) &&
512 1 : (cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK)))
513 1 : wpa = 3;
514 0 : else if (cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK))
515 0 : wpa = 2;
516 0 : else if (cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK))
517 0 : wpa = 1;
518 : else
519 0 : wpa = 0;
520 :
521 1 : if (wpa) {
522 : char *prefix;
523 1 : fprintf(nconf, "wpa=%d\n", wpa);
524 :
525 1 : fprintf(nconf, "wpa_key_mgmt=");
526 1 : prefix = "";
527 1 : if (cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA)) {
528 0 : fprintf(nconf, "WPA-EAP");
529 0 : prefix = " ";
530 : }
531 1 : if (cred->auth_type & (WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK))
532 1 : fprintf(nconf, "%sWPA-PSK", prefix);
533 1 : fprintf(nconf, "\n");
534 :
535 1 : fprintf(nconf, "wpa_pairwise=");
536 1 : prefix = "";
537 1 : if (cred->encr_type & WPS_ENCR_AES) {
538 1 : if (hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211AD)
539 0 : fprintf(nconf, "GCMP");
540 : else
541 1 : fprintf(nconf, "CCMP");
542 :
543 1 : prefix = " ";
544 : }
545 1 : if (cred->encr_type & WPS_ENCR_TKIP) {
546 1 : fprintf(nconf, "%sTKIP", prefix);
547 : }
548 1 : fprintf(nconf, "\n");
549 :
550 1 : if (cred->key_len >= 8 && cred->key_len < 64) {
551 1 : fprintf(nconf, "wpa_passphrase=");
552 23 : for (i = 0; i < cred->key_len; i++)
553 22 : fputc(cred->key[i], nconf);
554 1 : fprintf(nconf, "\n");
555 0 : } else if (cred->key_len == 64) {
556 0 : fprintf(nconf, "wpa_psk=");
557 0 : for (i = 0; i < cred->key_len; i++)
558 0 : fputc(cred->key[i], nconf);
559 0 : fprintf(nconf, "\n");
560 : } else {
561 0 : wpa_printf(MSG_WARNING, "WPS: Invalid key length %lu "
562 : "for WPA/WPA2",
563 : (unsigned long) cred->key_len);
564 : }
565 :
566 1 : fprintf(nconf, "auth_algs=1\n");
567 : } else {
568 : /*
569 : * WPS 2.0 does not allow WEP to be configured, so no need to
570 : * process that option here either.
571 : */
572 0 : fprintf(nconf, "auth_algs=1\n");
573 : }
574 :
575 1 : fprintf(nconf, "# WPS configuration - END\n");
576 :
577 1 : multi_bss = 0;
578 11 : while (fgets(buf, sizeof(buf), oconf)) {
579 9 : if (os_strncmp(buf, "bss=", 4) == 0)
580 0 : multi_bss = 1;
581 18 : if (!multi_bss &&
582 17 : (str_starts(buf, "ssid=") ||
583 16 : str_starts(buf, "ssid2=") ||
584 16 : str_starts(buf, "auth_algs=") ||
585 16 : str_starts(buf, "wep_default_key=") ||
586 16 : str_starts(buf, "wep_key") ||
587 15 : str_starts(buf, "wps_state=") ||
588 14 : str_starts(buf, "wpa=") ||
589 14 : str_starts(buf, "wpa_psk=") ||
590 14 : str_starts(buf, "wpa_pairwise=") ||
591 14 : str_starts(buf, "rsn_pairwise=") ||
592 14 : str_starts(buf, "wpa_key_mgmt=") ||
593 7 : str_starts(buf, "wpa_passphrase="))) {
594 2 : fprintf(nconf, "#WPS# %s", buf);
595 : } else
596 7 : fprintf(nconf, "%s", buf);
597 : }
598 :
599 1 : fclose(nconf);
600 1 : fclose(oconf);
601 :
602 1 : if (rename(tmp_fname, hapd->iface->config_fname) < 0) {
603 0 : wpa_printf(MSG_WARNING, "WPS: Failed to rename the updated "
604 0 : "configuration file: %s", strerror(errno));
605 0 : os_free(tmp_fname);
606 0 : return -1;
607 : }
608 :
609 1 : os_free(tmp_fname);
610 :
611 : /* Schedule configuration reload after short period of time to allow
612 : * EAP-WSC to be finished.
613 : */
614 1 : eloop_register_timeout(0, 100000, wps_reload_config, hapd->iface,
615 : NULL);
616 :
617 1 : wpa_printf(MSG_DEBUG, "WPS: AP configuration updated");
618 :
619 1 : return 0;
620 : }
621 :
622 :
623 20 : static int hostapd_wps_cred_cb(void *ctx, const struct wps_credential *cred)
624 : {
625 20 : struct hostapd_data *hapd = ctx;
626 20 : return hostapd_wps_for_each(hapd, hapd_wps_cred_cb, (void *) cred);
627 : }
628 :
629 :
630 1 : static void hostapd_wps_reenable_ap_pin(void *eloop_data, void *user_ctx)
631 : {
632 1 : struct hostapd_data *hapd = eloop_data;
633 :
634 1 : if (hapd->conf->ap_setup_locked)
635 0 : return;
636 1 : if (hapd->ap_pin_failures_consecutive >= 10)
637 0 : return;
638 :
639 1 : wpa_printf(MSG_DEBUG, "WPS: Re-enable AP PIN");
640 1 : wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_SETUP_UNLOCKED);
641 1 : hapd->wps->ap_setup_locked = 0;
642 1 : wps_registrar_update_ie(hapd->wps->registrar);
643 : }
644 :
645 :
646 11 : static int wps_pwd_auth_fail(struct hostapd_data *hapd, void *ctx)
647 : {
648 11 : struct wps_event_pwd_auth_fail *data = ctx;
649 :
650 11 : if (!data->enrollee || hapd->conf->ap_pin == NULL || hapd->wps == NULL)
651 2 : 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 9 : hapd->ap_pin_failures++;
659 9 : hapd->ap_pin_failures_consecutive++;
660 9 : wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u "
661 : "(%u consecutive)",
662 : hapd->ap_pin_failures, hapd->ap_pin_failures_consecutive);
663 9 : if (hapd->ap_pin_failures < 3)
664 6 : return 0;
665 :
666 3 : wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_SETUP_LOCKED);
667 3 : hapd->wps->ap_setup_locked = 1;
668 :
669 3 : wps_registrar_update_ie(hapd->wps->registrar);
670 :
671 5 : if (!hapd->conf->ap_setup_locked &&
672 2 : hapd->ap_pin_failures_consecutive >= 10) {
673 : /*
674 : * In indefinite lockdown - disable automatic AP PIN
675 : * reenablement.
676 : */
677 0 : eloop_cancel_timeout(hostapd_wps_reenable_ap_pin, hapd, NULL);
678 0 : wpa_printf(MSG_DEBUG, "WPS: AP PIN disabled indefinitely");
679 3 : } else if (!hapd->conf->ap_setup_locked) {
680 2 : if (hapd->ap_pin_lockout_time == 0)
681 2 : hapd->ap_pin_lockout_time = 60;
682 0 : else if (hapd->ap_pin_lockout_time < 365 * 24 * 60 * 60 &&
683 0 : (hapd->ap_pin_failures % 3) == 0)
684 0 : hapd->ap_pin_lockout_time *= 2;
685 :
686 2 : wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN for %u seconds",
687 : hapd->ap_pin_lockout_time);
688 2 : eloop_cancel_timeout(hostapd_wps_reenable_ap_pin, hapd, NULL);
689 2 : eloop_register_timeout(hapd->ap_pin_lockout_time, 0,
690 : hostapd_wps_reenable_ap_pin, hapd,
691 : NULL);
692 : }
693 :
694 3 : return 0;
695 : }
696 :
697 :
698 11 : static void hostapd_pwd_auth_fail(struct hostapd_data *hapd,
699 : struct wps_event_pwd_auth_fail *data)
700 : {
701 : /* Update WPS Status - Authentication Failure */
702 11 : wpa_printf(MSG_DEBUG, "WPS: Authentication failure update");
703 11 : hapd->wps_stats.status = WPS_STATUS_FAILURE;
704 11 : hapd->wps_stats.failure_reason = WPS_EI_AUTH_FAILURE;
705 11 : os_memcpy(hapd->wps_stats.peer_addr, data->peer_macaddr, ETH_ALEN);
706 :
707 11 : hostapd_wps_for_each(hapd, wps_pwd_auth_fail, data);
708 11 : }
709 :
710 :
711 55 : static int wps_ap_pin_success(struct hostapd_data *hapd, void *ctx)
712 : {
713 55 : if (hapd->conf->ap_pin == NULL || hapd->wps == NULL)
714 2 : return 0;
715 :
716 53 : if (hapd->ap_pin_failures_consecutive == 0)
717 53 : return 0;
718 :
719 0 : 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 0 : hapd->ap_pin_failures_consecutive = 0;
723 :
724 0 : return 0;
725 : }
726 :
727 :
728 54 : static void hostapd_wps_ap_pin_success(struct hostapd_data *hapd)
729 : {
730 54 : hostapd_wps_for_each(hapd, wps_ap_pin_success, NULL);
731 54 : }
732 :
733 :
734 12 : static void hostapd_wps_event_pbc_overlap(struct hostapd_data *hapd)
735 : {
736 : /* Update WPS Status - PBC Overlap */
737 12 : hapd->wps_stats.pbc_status = WPS_PBC_STATUS_OVERLAP;
738 12 : }
739 :
740 :
741 6 : static void hostapd_wps_event_pbc_timeout(struct hostapd_data *hapd)
742 : {
743 : /* Update WPS PBC Status:PBC Timeout */
744 6 : hapd->wps_stats.pbc_status = WPS_PBC_STATUS_TIMEOUT;
745 6 : }
746 :
747 :
748 118 : static void hostapd_wps_event_pbc_active(struct hostapd_data *hapd)
749 : {
750 : /* Update WPS PBC status - Active */
751 118 : hapd->wps_stats.pbc_status = WPS_PBC_STATUS_ACTIVE;
752 118 : }
753 :
754 :
755 52 : static void hostapd_wps_event_pbc_disable(struct hostapd_data *hapd)
756 : {
757 : /* Update WPS PBC status - Active */
758 52 : hapd->wps_stats.pbc_status = WPS_PBC_STATUS_DISABLE;
759 52 : }
760 :
761 :
762 303 : static void hostapd_wps_event_success(struct hostapd_data *hapd,
763 : struct wps_event_success *success)
764 : {
765 : /* Update WPS status - Success */
766 303 : hapd->wps_stats.pbc_status = WPS_PBC_STATUS_DISABLE;
767 303 : hapd->wps_stats.status = WPS_STATUS_SUCCESS;
768 303 : os_memcpy(hapd->wps_stats.peer_addr, success->peer_macaddr, ETH_ALEN);
769 303 : }
770 :
771 :
772 99 : static void hostapd_wps_event_fail(struct hostapd_data *hapd,
773 : struct wps_event_fail *fail)
774 : {
775 : /* Update WPS status - Failure */
776 99 : hapd->wps_stats.status = WPS_STATUS_FAILURE;
777 99 : os_memcpy(hapd->wps_stats.peer_addr, fail->peer_macaddr, ETH_ALEN);
778 :
779 99 : hapd->wps_stats.failure_reason = fail->error_indication;
780 :
781 100 : if (fail->error_indication > 0 &&
782 1 : fail->error_indication < NUM_WPS_EI_VALUES) {
783 3 : wpa_msg(hapd->msg_ctx, MSG_INFO,
784 : WPS_EVENT_FAIL "msg=%d config_error=%d reason=%d (%s)",
785 2 : fail->msg, fail->config_error, fail->error_indication,
786 1 : wps_ei_str(fail->error_indication));
787 : } else {
788 98 : wpa_msg(hapd->msg_ctx, MSG_INFO,
789 : WPS_EVENT_FAIL "msg=%d config_error=%d",
790 98 : fail->msg, fail->config_error);
791 : }
792 99 : }
793 :
794 :
795 656 : static void hostapd_wps_event_cb(void *ctx, enum wps_event event,
796 : union wps_event_data *data)
797 : {
798 656 : struct hostapd_data *hapd = ctx;
799 :
800 656 : switch (event) {
801 : case WPS_EV_M2D:
802 1 : wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_M2D);
803 1 : break;
804 : case WPS_EV_FAIL:
805 99 : hostapd_wps_event_fail(hapd, &data->fail);
806 99 : break;
807 : case WPS_EV_SUCCESS:
808 303 : hostapd_wps_event_success(hapd, &data->success);
809 303 : wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_SUCCESS);
810 303 : break;
811 : case WPS_EV_PWD_AUTH_FAIL:
812 11 : hostapd_pwd_auth_fail(hapd, &data->pwd_auth_fail);
813 11 : break;
814 : case WPS_EV_PBC_OVERLAP:
815 12 : hostapd_wps_event_pbc_overlap(hapd);
816 12 : wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_OVERLAP);
817 12 : break;
818 : case WPS_EV_PBC_TIMEOUT:
819 6 : hostapd_wps_event_pbc_timeout(hapd);
820 6 : wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_TIMEOUT);
821 6 : break;
822 : case WPS_EV_PBC_ACTIVE:
823 118 : hostapd_wps_event_pbc_active(hapd);
824 118 : wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_ACTIVE);
825 118 : break;
826 : case WPS_EV_PBC_DISABLE:
827 52 : hostapd_wps_event_pbc_disable(hapd);
828 52 : wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_DISABLE);
829 52 : break;
830 : case WPS_EV_ER_AP_ADD:
831 0 : break;
832 : case WPS_EV_ER_AP_REMOVE:
833 0 : break;
834 : case WPS_EV_ER_ENROLLEE_ADD:
835 0 : break;
836 : case WPS_EV_ER_ENROLLEE_REMOVE:
837 0 : break;
838 : case WPS_EV_ER_AP_SETTINGS:
839 0 : break;
840 : case WPS_EV_ER_SET_SELECTED_REGISTRAR:
841 0 : break;
842 : case WPS_EV_AP_PIN_SUCCESS:
843 54 : hostapd_wps_ap_pin_success(hapd);
844 54 : break;
845 : }
846 656 : if (hapd->wps_event_cb)
847 322 : hapd->wps_event_cb(hapd->wps_event_cb_ctx, event, data);
848 656 : }
849 :
850 :
851 527 : static int hostapd_wps_rf_band_cb(void *ctx)
852 : {
853 527 : struct hostapd_data *hapd = ctx;
854 :
855 1054 : return hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211A ?
856 1041 : WPS_RF_50GHZ :
857 514 : hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211AD ?
858 514 : WPS_RF_60GHZ : WPS_RF_24GHZ; /* FIX: dualband AP */
859 : }
860 :
861 :
862 4615 : static void hostapd_wps_clear_ies(struct hostapd_data *hapd, int deinit_only)
863 : {
864 4615 : wpabuf_free(hapd->wps_beacon_ie);
865 4615 : hapd->wps_beacon_ie = NULL;
866 :
867 4615 : wpabuf_free(hapd->wps_probe_resp_ie);
868 4615 : hapd->wps_probe_resp_ie = NULL;
869 :
870 4615 : if (deinit_only) {
871 2659 : if (hapd->drv_priv)
872 2657 : hostapd_reset_ap_wps_ie(hapd);
873 7274 : return;
874 : }
875 :
876 1956 : hostapd_set_ap_wps_ie(hapd);
877 : }
878 :
879 :
880 217 : static int get_uuid_cb(struct hostapd_iface *iface, void *ctx)
881 : {
882 217 : const u8 **uuid = ctx;
883 : size_t j;
884 :
885 217 : if (iface == NULL)
886 0 : return 0;
887 429 : for (j = 0; j < iface->num_bss; j++) {
888 217 : struct hostapd_data *hapd = iface->bss[j];
889 222 : if (hapd->wps && !hapd->conf->wps_independent &&
890 5 : !is_nil_uuid(hapd->wps->uuid)) {
891 5 : *uuid = hapd->wps->uuid;
892 5 : return 1;
893 : }
894 : }
895 :
896 212 : return 0;
897 : }
898 :
899 :
900 215 : static const u8 * get_own_uuid(struct hostapd_iface *iface)
901 : {
902 : const u8 *uuid;
903 430 : if (iface->interfaces == NULL ||
904 215 : iface->interfaces->for_each_interface == NULL)
905 0 : return NULL;
906 215 : uuid = NULL;
907 215 : iface->interfaces->for_each_interface(iface->interfaces, get_uuid_cb,
908 : &uuid);
909 215 : return uuid;
910 : }
911 :
912 :
913 272 : static int count_interface_cb(struct hostapd_iface *iface, void *ctx)
914 : {
915 272 : int *count= ctx;
916 272 : (*count)++;
917 272 : return 0;
918 : }
919 :
920 :
921 699 : static int interface_count(struct hostapd_iface *iface)
922 : {
923 699 : int count = 0;
924 963 : if (iface->interfaces == NULL ||
925 264 : iface->interfaces->for_each_interface == NULL)
926 435 : return 0;
927 264 : iface->interfaces->for_each_interface(iface->interfaces,
928 : count_interface_cb, &count);
929 264 : return count;
930 : }
931 :
932 :
933 720 : static int hostapd_wps_set_vendor_ext(struct hostapd_data *hapd,
934 : struct wps_context *wps)
935 : {
936 : int i;
937 :
938 7920 : for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++) {
939 7200 : wpabuf_free(wps->dev.vendor_ext[i]);
940 7200 : wps->dev.vendor_ext[i] = NULL;
941 :
942 7200 : if (hapd->conf->wps_vendor_ext[i] == NULL)
943 7197 : continue;
944 :
945 3 : wps->dev.vendor_ext[i] =
946 3 : wpabuf_dup(hapd->conf->wps_vendor_ext[i]);
947 3 : if (wps->dev.vendor_ext[i] == NULL) {
948 0 : while (--i >= 0)
949 0 : wpabuf_free(wps->dev.vendor_ext[i]);
950 0 : return -1;
951 : }
952 : }
953 :
954 720 : return 0;
955 : }
956 :
957 :
958 699 : static void hostapd_free_wps(struct wps_context *wps)
959 : {
960 : int i;
961 :
962 7689 : for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++)
963 6990 : wpabuf_free(wps->dev.vendor_ext[i]);
964 699 : wps_device_data_free(&wps->dev);
965 699 : os_free(wps->network_key);
966 699 : hostapd_wps_nfc_clear(wps);
967 699 : wpabuf_free(wps->dh_pubkey);
968 699 : wpabuf_free(wps->dh_privkey);
969 699 : os_free(wps);
970 699 : }
971 :
972 :
973 2655 : int 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 2655 : if (conf->wps_state == 0) {
980 1956 : hostapd_wps_clear_ies(hapd, 0);
981 1956 : return 0;
982 : }
983 :
984 699 : wps = os_zalloc(sizeof(*wps));
985 699 : if (wps == NULL)
986 0 : return -1;
987 :
988 699 : wps->cred_cb = hostapd_wps_cred_cb;
989 699 : wps->event_cb = hostapd_wps_event_cb;
990 699 : wps->rf_band_cb = hostapd_wps_rf_band_cb;
991 699 : wps->cb_ctx = hapd;
992 :
993 699 : os_memset(&cfg, 0, sizeof(cfg));
994 699 : wps->wps_state = hapd->conf->wps_state;
995 699 : wps->ap_setup_locked = hapd->conf->ap_setup_locked;
996 699 : if (is_nil_uuid(hapd->conf->uuid)) {
997 : const u8 *uuid;
998 215 : uuid = get_own_uuid(hapd->iface);
999 215 : if (uuid && !conf->wps_independent) {
1000 5 : os_memcpy(wps->uuid, uuid, UUID_LEN);
1001 5 : wpa_hexdump(MSG_DEBUG, "WPS: Clone UUID from another "
1002 5 : "interface", wps->uuid, UUID_LEN);
1003 : } else {
1004 210 : uuid_gen_mac_addr(hapd->own_addr, wps->uuid);
1005 210 : wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC "
1006 210 : "address", wps->uuid, UUID_LEN);
1007 : }
1008 : } else {
1009 484 : os_memcpy(wps->uuid, hapd->conf->uuid, UUID_LEN);
1010 484 : wpa_hexdump(MSG_DEBUG, "WPS: Use configured UUID",
1011 484 : wps->uuid, UUID_LEN);
1012 : }
1013 699 : wps->ssid_len = hapd->conf->ssid.ssid_len;
1014 699 : os_memcpy(wps->ssid, hapd->conf->ssid.ssid, wps->ssid_len);
1015 699 : wps->ap = 1;
1016 699 : os_memcpy(wps->dev.mac_addr, hapd->own_addr, ETH_ALEN);
1017 1398 : wps->dev.device_name = hapd->conf->device_name ?
1018 699 : os_strdup(hapd->conf->device_name) : NULL;
1019 1398 : wps->dev.manufacturer = hapd->conf->manufacturer ?
1020 699 : os_strdup(hapd->conf->manufacturer) : NULL;
1021 1398 : wps->dev.model_name = hapd->conf->model_name ?
1022 699 : os_strdup(hapd->conf->model_name) : NULL;
1023 1398 : wps->dev.model_number = hapd->conf->model_number ?
1024 699 : os_strdup(hapd->conf->model_number) : NULL;
1025 1398 : wps->dev.serial_number = hapd->conf->serial_number ?
1026 699 : os_strdup(hapd->conf->serial_number) : NULL;
1027 699 : wps->config_methods =
1028 699 : wps_config_methods_str2bin(hapd->conf->config_methods);
1029 699 : if ((wps->config_methods &
1030 : (WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY |
1031 : WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) {
1032 1 : wpa_printf(MSG_INFO, "WPS: Converting display to "
1033 : "virtual_display for WPS 2.0 compliance");
1034 1 : wps->config_methods |= WPS_CONFIG_VIRT_DISPLAY;
1035 : }
1036 699 : if ((wps->config_methods &
1037 : (WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_VIRT_PUSHBUTTON |
1038 : WPS_CONFIG_PHY_PUSHBUTTON)) == WPS_CONFIG_PUSHBUTTON) {
1039 39 : wpa_printf(MSG_INFO, "WPS: Converting push_button to "
1040 : "virtual_push_button for WPS 2.0 compliance");
1041 39 : wps->config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON;
1042 : }
1043 699 : os_memcpy(wps->dev.pri_dev_type, hapd->conf->device_type,
1044 : WPS_DEV_TYPE_LEN);
1045 :
1046 699 : if (hostapd_wps_set_vendor_ext(hapd, wps) < 0)
1047 0 : goto fail;
1048 :
1049 699 : wps->dev.os_version = WPA_GET_BE32(hapd->conf->os_version);
1050 :
1051 699 : if (conf->wps_rf_bands) {
1052 0 : wps->dev.rf_bands = conf->wps_rf_bands;
1053 : } else {
1054 1377 : wps->dev.rf_bands =
1055 699 : hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211A ?
1056 : WPS_RF_50GHZ :
1057 678 : hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211AD ?
1058 : WPS_RF_60GHZ : WPS_RF_24GHZ; /* FIX: dualband AP */
1059 : }
1060 :
1061 699 : if (conf->wpa & WPA_PROTO_RSN) {
1062 643 : if (conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK)
1063 637 : wps->auth_types |= WPS_AUTH_WPA2PSK;
1064 643 : if (conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X)
1065 1 : wps->auth_types |= WPS_AUTH_WPA2;
1066 :
1067 643 : if (conf->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)) {
1068 643 : wps->encr_types |= WPS_ENCR_AES;
1069 643 : wps->encr_types_rsn |= WPS_ENCR_AES;
1070 : }
1071 643 : if (conf->rsn_pairwise & WPA_CIPHER_TKIP) {
1072 6 : wps->encr_types |= WPS_ENCR_TKIP;
1073 6 : wps->encr_types_rsn |= WPS_ENCR_TKIP;
1074 : }
1075 : }
1076 :
1077 699 : if (conf->wpa & WPA_PROTO_WPA) {
1078 9 : if (conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK)
1079 9 : wps->auth_types |= WPS_AUTH_WPAPSK;
1080 9 : if (conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X)
1081 0 : wps->auth_types |= WPS_AUTH_WPA;
1082 :
1083 9 : if (conf->wpa_pairwise & WPA_CIPHER_CCMP) {
1084 6 : wps->encr_types |= WPS_ENCR_AES;
1085 6 : wps->encr_types_wpa |= WPS_ENCR_AES;
1086 : }
1087 9 : if (conf->wpa_pairwise & WPA_CIPHER_TKIP) {
1088 9 : wps->encr_types |= WPS_ENCR_TKIP;
1089 9 : wps->encr_types_wpa |= WPS_ENCR_TKIP;
1090 : }
1091 : }
1092 :
1093 699 : if (conf->ssid.security_policy == SECURITY_PLAINTEXT) {
1094 56 : wps->encr_types |= WPS_ENCR_NONE;
1095 56 : wps->auth_types |= WPS_AUTH_OPEN;
1096 : }
1097 :
1098 699 : if (conf->ssid.wpa_psk_file) {
1099 : /* Use per-device PSKs */
1100 696 : } else if (conf->ssid.wpa_passphrase) {
1101 224 : wps->network_key = (u8 *) os_strdup(conf->ssid.wpa_passphrase);
1102 224 : wps->network_key_len = os_strlen(conf->ssid.wpa_passphrase);
1103 472 : } else if (conf->ssid.wpa_psk) {
1104 415 : wps->network_key = os_malloc(2 * PMK_LEN + 1);
1105 415 : if (wps->network_key == NULL)
1106 0 : goto fail;
1107 415 : wpa_snprintf_hex((char *) wps->network_key, 2 * PMK_LEN + 1,
1108 415 : conf->ssid.wpa_psk->psk, PMK_LEN);
1109 415 : wps->network_key_len = 2 * PMK_LEN;
1110 57 : } else if (conf->ssid.wep.keys_set && conf->ssid.wep.key[0]) {
1111 0 : wps->network_key = os_malloc(conf->ssid.wep.len[0]);
1112 0 : if (wps->network_key == NULL)
1113 0 : goto fail;
1114 0 : os_memcpy(wps->network_key, conf->ssid.wep.key[0],
1115 : conf->ssid.wep.len[0]);
1116 0 : wps->network_key_len = conf->ssid.wep.len[0];
1117 : }
1118 :
1119 699 : if (conf->ssid.wpa_psk) {
1120 639 : os_memcpy(wps->psk, conf->ssid.wpa_psk->psk, PMK_LEN);
1121 639 : wps->psk_set = 1;
1122 : }
1123 :
1124 699 : wps->ap_auth_type = wps->auth_types;
1125 699 : wps->ap_encr_type = wps->encr_types;
1126 699 : if (conf->wps_state == WPS_STATE_NOT_CONFIGURED) {
1127 : /* Override parameters to enable security by default */
1128 20 : wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK;
1129 20 : wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP;
1130 20 : wps->encr_types_rsn = WPS_ENCR_AES | WPS_ENCR_TKIP;
1131 20 : wps->encr_types_wpa = WPS_ENCR_AES | WPS_ENCR_TKIP;
1132 : }
1133 :
1134 699 : wps->ap_settings = conf->ap_settings;
1135 699 : wps->ap_settings_len = conf->ap_settings_len;
1136 :
1137 699 : cfg.new_psk_cb = hostapd_wps_new_psk_cb;
1138 699 : cfg.set_ie_cb = hostapd_wps_set_ie_cb;
1139 699 : cfg.pin_needed_cb = hostapd_wps_pin_needed_cb;
1140 699 : cfg.reg_success_cb = hostapd_wps_reg_success_cb;
1141 699 : cfg.enrollee_seen_cb = hostapd_wps_enrollee_seen_cb;
1142 699 : cfg.cb_ctx = hapd;
1143 699 : cfg.skip_cred_build = conf->skip_cred_build;
1144 699 : cfg.extra_cred = conf->extra_cred;
1145 699 : cfg.extra_cred_len = conf->extra_cred_len;
1146 700 : cfg.disable_auto_conf = (hapd->conf->wps_cred_processing == 1) &&
1147 1 : conf->skip_cred_build;
1148 699 : if (conf->ssid.security_policy == SECURITY_STATIC_WEP)
1149 0 : cfg.static_wep_only = 1;
1150 699 : cfg.dualband = interface_count(hapd->iface) > 1;
1151 699 : if ((wps->dev.rf_bands & (WPS_RF_50GHZ | WPS_RF_24GHZ)) ==
1152 : (WPS_RF_50GHZ | WPS_RF_24GHZ))
1153 0 : cfg.dualband = 1;
1154 699 : if (cfg.dualband)
1155 8 : wpa_printf(MSG_DEBUG, "WPS: Dualband AP");
1156 699 : cfg.force_per_enrollee_psk = conf->force_per_enrollee_psk;
1157 :
1158 699 : wps->registrar = wps_registrar_init(wps, &cfg);
1159 699 : if (wps->registrar == NULL) {
1160 0 : wpa_printf(MSG_ERROR, "Failed to initialize WPS Registrar");
1161 0 : goto fail;
1162 : }
1163 :
1164 : #ifdef CONFIG_WPS_UPNP
1165 699 : wps->friendly_name = hapd->conf->friendly_name;
1166 699 : wps->manufacturer_url = hapd->conf->manufacturer_url;
1167 699 : wps->model_description = hapd->conf->model_description;
1168 699 : wps->model_url = hapd->conf->model_url;
1169 699 : wps->upc = hapd->conf->upc;
1170 : #endif /* CONFIG_WPS_UPNP */
1171 :
1172 699 : hostapd_register_probereq_cb(hapd, hostapd_wps_probe_req_rx, hapd);
1173 :
1174 699 : hapd->wps = wps;
1175 :
1176 699 : return 0;
1177 :
1178 : fail:
1179 0 : hostapd_free_wps(wps);
1180 0 : return -1;
1181 : }
1182 :
1183 :
1184 2612 : int hostapd_init_wps_complete(struct hostapd_data *hapd)
1185 : {
1186 2612 : struct wps_context *wps = hapd->wps;
1187 :
1188 2612 : if (wps == NULL)
1189 1913 : return 0;
1190 :
1191 : #ifdef CONFIG_WPS_UPNP
1192 699 : if (hostapd_wps_upnp_init(hapd, wps) < 0) {
1193 2 : wpa_printf(MSG_ERROR, "Failed to initialize WPS UPnP");
1194 2 : wps_registrar_deinit(wps->registrar);
1195 2 : hostapd_free_wps(wps);
1196 2 : hapd->wps = NULL;
1197 2 : return -1;
1198 : }
1199 : #endif /* CONFIG_WPS_UPNP */
1200 :
1201 697 : return 0;
1202 : }
1203 :
1204 :
1205 711 : static void hostapd_wps_nfc_clear(struct wps_context *wps)
1206 : {
1207 : #ifdef CONFIG_WPS_NFC
1208 711 : wpa_printf(MSG_DEBUG, "WPS: Clear NFC Tag context %p", wps);
1209 711 : wps->ap_nfc_dev_pw_id = 0;
1210 711 : wpabuf_free(wps->ap_nfc_dh_pubkey);
1211 711 : wps->ap_nfc_dh_pubkey = NULL;
1212 711 : wpabuf_free(wps->ap_nfc_dh_privkey);
1213 711 : wps->ap_nfc_dh_privkey = NULL;
1214 711 : wpabuf_free(wps->ap_nfc_dev_pw);
1215 711 : wps->ap_nfc_dev_pw = NULL;
1216 : #endif /* CONFIG_WPS_NFC */
1217 711 : }
1218 :
1219 :
1220 2659 : void hostapd_deinit_wps(struct hostapd_data *hapd)
1221 : {
1222 2659 : eloop_cancel_timeout(hostapd_wps_reenable_ap_pin, hapd, NULL);
1223 2659 : eloop_cancel_timeout(hostapd_wps_ap_pin_timeout, hapd, NULL);
1224 2659 : eloop_cancel_timeout(wps_reload_config, hapd->iface, NULL);
1225 2659 : if (hapd->wps == NULL) {
1226 1962 : hostapd_wps_clear_ies(hapd, 1);
1227 4621 : return;
1228 : }
1229 : #ifdef CONFIG_WPS_UPNP
1230 697 : hostapd_wps_upnp_deinit(hapd);
1231 : #endif /* CONFIG_WPS_UPNP */
1232 697 : wps_registrar_deinit(hapd->wps->registrar);
1233 697 : wps_free_pending_msgs(hapd->wps->upnp_msgs);
1234 697 : hostapd_free_wps(hapd->wps);
1235 697 : hapd->wps = NULL;
1236 697 : hostapd_wps_clear_ies(hapd, 1);
1237 : }
1238 :
1239 :
1240 23 : void hostapd_update_wps(struct hostapd_data *hapd)
1241 : {
1242 23 : if (hapd->wps == NULL)
1243 25 : return;
1244 :
1245 : #ifdef CONFIG_WPS_UPNP
1246 21 : hapd->wps->friendly_name = hapd->conf->friendly_name;
1247 21 : hapd->wps->manufacturer_url = hapd->conf->manufacturer_url;
1248 21 : hapd->wps->model_description = hapd->conf->model_description;
1249 21 : hapd->wps->model_url = hapd->conf->model_url;
1250 21 : hapd->wps->upc = hapd->conf->upc;
1251 : #endif /* CONFIG_WPS_UPNP */
1252 :
1253 21 : hostapd_wps_set_vendor_ext(hapd, hapd->wps);
1254 :
1255 21 : if (hapd->conf->wps_state)
1256 21 : wps_registrar_update_ie(hapd->wps->registrar);
1257 : else
1258 0 : hostapd_deinit_wps(hapd);
1259 : }
1260 :
1261 :
1262 : struct wps_add_pin_data {
1263 : const u8 *addr;
1264 : const u8 *uuid;
1265 : const u8 *pin;
1266 : size_t pin_len;
1267 : int timeout;
1268 : int added;
1269 : };
1270 :
1271 :
1272 322 : static int wps_add_pin(struct hostapd_data *hapd, void *ctx)
1273 : {
1274 322 : struct wps_add_pin_data *data = ctx;
1275 : int ret;
1276 :
1277 322 : if (hapd->wps == NULL)
1278 1 : return 0;
1279 321 : ret = wps_registrar_add_pin(hapd->wps->registrar, data->addr,
1280 : data->uuid, data->pin, data->pin_len,
1281 : data->timeout);
1282 321 : if (ret == 0)
1283 321 : data->added++;
1284 321 : return ret;
1285 : }
1286 :
1287 :
1288 320 : int hostapd_wps_add_pin(struct hostapd_data *hapd, const u8 *addr,
1289 : const char *uuid, const char *pin, int timeout)
1290 : {
1291 : u8 u[UUID_LEN];
1292 : struct wps_add_pin_data data;
1293 :
1294 320 : data.addr = addr;
1295 320 : data.uuid = u;
1296 320 : data.pin = (const u8 *) pin;
1297 320 : data.pin_len = os_strlen(pin);
1298 320 : data.timeout = timeout;
1299 320 : data.added = 0;
1300 :
1301 320 : if (os_strcmp(uuid, "any") == 0)
1302 318 : data.uuid = NULL;
1303 : else {
1304 2 : if (uuid_str2bin(uuid, u))
1305 0 : return -1;
1306 2 : data.uuid = u;
1307 : }
1308 320 : if (hostapd_wps_for_each(hapd, wps_add_pin, &data) < 0)
1309 0 : return -1;
1310 320 : return data.added ? 0 : -1;
1311 : }
1312 :
1313 :
1314 : struct wps_button_pushed_ctx {
1315 : const u8 *p2p_dev_addr;
1316 : unsigned int count;
1317 : };
1318 :
1319 126 : static int wps_button_pushed(struct hostapd_data *hapd, void *ctx)
1320 : {
1321 126 : struct wps_button_pushed_ctx *data = ctx;
1322 :
1323 126 : if (hapd->wps) {
1324 121 : data->count++;
1325 121 : return wps_registrar_button_pushed(hapd->wps->registrar,
1326 : data->p2p_dev_addr);
1327 : }
1328 :
1329 5 : return 0;
1330 : }
1331 :
1332 :
1333 118 : int hostapd_wps_button_pushed(struct hostapd_data *hapd,
1334 : const u8 *p2p_dev_addr)
1335 : {
1336 : struct wps_button_pushed_ctx ctx;
1337 : int ret;
1338 :
1339 118 : os_memset(&ctx, 0, sizeof(ctx));
1340 118 : ctx.p2p_dev_addr = p2p_dev_addr;
1341 118 : ret = hostapd_wps_for_each(hapd, wps_button_pushed, &ctx);
1342 118 : if (ret == 0 && !ctx.count)
1343 2 : ret = -1;
1344 118 : return ret;
1345 : }
1346 :
1347 :
1348 : struct wps_cancel_ctx {
1349 : unsigned int count;
1350 : };
1351 :
1352 8 : static int wps_cancel(struct hostapd_data *hapd, void *ctx)
1353 : {
1354 8 : struct wps_cancel_ctx *data = ctx;
1355 :
1356 8 : if (hapd->wps) {
1357 5 : data->count++;
1358 5 : wps_registrar_wps_cancel(hapd->wps->registrar);
1359 5 : ap_for_each_sta(hapd, ap_sta_wps_cancel, NULL);
1360 : }
1361 :
1362 8 : return 0;
1363 : }
1364 :
1365 :
1366 7 : int hostapd_wps_cancel(struct hostapd_data *hapd)
1367 : {
1368 : struct wps_cancel_ctx ctx;
1369 : int ret;
1370 :
1371 7 : os_memset(&ctx, 0, sizeof(ctx));
1372 7 : ret = hostapd_wps_for_each(hapd, wps_cancel, &ctx);
1373 7 : if (ret == 0 && !ctx.count)
1374 2 : ret = -1;
1375 7 : return ret;
1376 : }
1377 :
1378 :
1379 1853 : static int hostapd_wps_probe_req_rx(void *ctx, const u8 *addr, const u8 *da,
1380 : const u8 *bssid,
1381 : const u8 *ie, size_t ie_len,
1382 : int ssi_signal)
1383 : {
1384 1853 : struct hostapd_data *hapd = ctx;
1385 : struct wpabuf *wps_ie;
1386 : struct ieee802_11_elems elems;
1387 :
1388 1853 : if (hapd->wps == NULL)
1389 0 : return 0;
1390 :
1391 1853 : if (ieee802_11_parse_elems(ie, ie_len, &elems, 0) == ParseFailed) {
1392 0 : wpa_printf(MSG_DEBUG, "WPS: Could not parse ProbeReq from "
1393 0 : MACSTR, MAC2STR(addr));
1394 0 : return 0;
1395 : }
1396 :
1397 2347 : if (elems.ssid && elems.ssid_len > 0 &&
1398 820 : (elems.ssid_len != hapd->conf->ssid.ssid_len ||
1399 326 : os_memcmp(elems.ssid, hapd->conf->ssid.ssid, elems.ssid_len) !=
1400 : 0))
1401 169 : return 0; /* Not for us */
1402 :
1403 1684 : wps_ie = ieee802_11_vendor_ie_concat(ie, ie_len, WPS_DEV_OUI_WFA);
1404 1684 : if (wps_ie == NULL)
1405 16 : return 0;
1406 1668 : if (wps_validate_probe_req(wps_ie, addr) < 0) {
1407 0 : wpabuf_free(wps_ie);
1408 0 : return 0;
1409 : }
1410 :
1411 1668 : if (wpabuf_len(wps_ie) > 0) {
1412 1668 : int p2p_wildcard = 0;
1413 : #ifdef CONFIG_P2P
1414 386 : if (elems.ssid && elems.ssid_len == P2P_WILDCARD_SSID_LEN &&
1415 0 : os_memcmp(elems.ssid, P2P_WILDCARD_SSID,
1416 : P2P_WILDCARD_SSID_LEN) == 0)
1417 0 : p2p_wildcard = 1;
1418 : #endif /* CONFIG_P2P */
1419 1668 : wps_registrar_probe_req_rx(hapd->wps->registrar, addr, wps_ie,
1420 : p2p_wildcard);
1421 : #ifdef CONFIG_WPS_UPNP
1422 : /* FIX: what exactly should be included in the WLANEvent?
1423 : * WPS attributes? Full ProbeReq frame? */
1424 1668 : if (!p2p_wildcard)
1425 1668 : upnp_wps_device_send_wlan_event(
1426 : hapd->wps_upnp, addr,
1427 : UPNP_WPS_WLANEVENT_TYPE_PROBE, wps_ie);
1428 : #endif /* CONFIG_WPS_UPNP */
1429 : }
1430 :
1431 1668 : wpabuf_free(wps_ie);
1432 :
1433 1668 : return 0;
1434 : }
1435 :
1436 :
1437 : #ifdef CONFIG_WPS_UPNP
1438 :
1439 42 : static int hostapd_rx_req_put_wlan_response(
1440 : void *priv, enum upnp_wps_wlanevent_type ev_type,
1441 : const u8 *mac_addr, const struct wpabuf *msg,
1442 : enum wps_msg_type msg_type)
1443 : {
1444 42 : struct hostapd_data *hapd = priv;
1445 : struct sta_info *sta;
1446 : struct upnp_pending_message *p;
1447 :
1448 252 : wpa_printf(MSG_DEBUG, "WPS UPnP: PutWLANResponse ev_type=%d mac_addr="
1449 252 : MACSTR, ev_type, MAC2STR(mac_addr));
1450 42 : wpa_hexdump(MSG_MSGDUMP, "WPS UPnP: PutWLANResponse NewMessage",
1451 : wpabuf_head(msg), wpabuf_len(msg));
1452 42 : if (ev_type != UPNP_WPS_WLANEVENT_TYPE_EAP) {
1453 1 : wpa_printf(MSG_DEBUG, "WPS UPnP: Ignored unexpected "
1454 : "PutWLANResponse WLANEventType %d", ev_type);
1455 1 : return -1;
1456 : }
1457 :
1458 : /*
1459 : * EAP response to ongoing to WPS Registration. Send it to EAP-WSC
1460 : * server implementation for delivery to the peer.
1461 : */
1462 :
1463 41 : sta = ap_get_sta(hapd, mac_addr);
1464 : #ifndef CONFIG_WPS_STRICT
1465 41 : if (!sta) {
1466 : /*
1467 : * Workaround - Intel wsccmd uses bogus NewWLANEventMAC:
1468 : * Pick STA that is in an ongoing WPS registration without
1469 : * checking the MAC address.
1470 : */
1471 1 : wpa_printf(MSG_DEBUG, "WPS UPnP: No matching STA found based "
1472 : "on NewWLANEventMAC; try wildcard match");
1473 1 : for (sta = hapd->sta_list; sta; sta = sta->next) {
1474 0 : if (sta->eapol_sm && (sta->flags & WLAN_STA_WPS))
1475 0 : break;
1476 : }
1477 : }
1478 : #endif /* CONFIG_WPS_STRICT */
1479 :
1480 41 : if (!sta || !(sta->flags & WLAN_STA_WPS)) {
1481 1 : wpa_printf(MSG_DEBUG, "WPS UPnP: No matching STA found");
1482 1 : return 0;
1483 : }
1484 :
1485 40 : if (!sta->eapol_sm) {
1486 : /*
1487 : * This can happen, e.g., if an ER sends an extra message after
1488 : * the station has disassociated (but not fully
1489 : * deauthenticated).
1490 : */
1491 0 : wpa_printf(MSG_DEBUG, "WPS UPnP: Matching STA did not have EAPOL state machine initialized");
1492 0 : return 0;
1493 : }
1494 :
1495 40 : p = os_zalloc(sizeof(*p));
1496 40 : if (p == NULL)
1497 0 : return -1;
1498 40 : os_memcpy(p->addr, sta->addr, ETH_ALEN);
1499 40 : p->msg = wpabuf_dup(msg);
1500 40 : p->type = msg_type;
1501 40 : p->next = hapd->wps->upnp_msgs;
1502 40 : hapd->wps->upnp_msgs = p;
1503 :
1504 40 : return eapol_auth_eap_pending_cb(sta->eapol_sm, sta->eapol_sm->eap);
1505 : }
1506 :
1507 :
1508 699 : static int hostapd_wps_upnp_init(struct hostapd_data *hapd,
1509 : struct wps_context *wps)
1510 : {
1511 : struct upnp_wps_device_ctx *ctx;
1512 :
1513 699 : if (!hapd->conf->upnp_iface)
1514 661 : return 0;
1515 38 : ctx = os_zalloc(sizeof(*ctx));
1516 38 : if (ctx == NULL)
1517 0 : return -1;
1518 :
1519 38 : ctx->rx_req_put_wlan_response = hostapd_rx_req_put_wlan_response;
1520 38 : if (hapd->conf->ap_pin)
1521 37 : ctx->ap_pin = os_strdup(hapd->conf->ap_pin);
1522 :
1523 38 : hapd->wps_upnp = upnp_wps_device_init(ctx, wps, hapd,
1524 38 : hapd->conf->upnp_iface);
1525 38 : if (hapd->wps_upnp == NULL)
1526 2 : return -1;
1527 36 : wps->wps_upnp = hapd->wps_upnp;
1528 :
1529 36 : return 0;
1530 : }
1531 :
1532 :
1533 697 : static void hostapd_wps_upnp_deinit(struct hostapd_data *hapd)
1534 : {
1535 697 : upnp_wps_device_deinit(hapd->wps_upnp, hapd);
1536 697 : }
1537 :
1538 : #endif /* CONFIG_WPS_UPNP */
1539 :
1540 :
1541 221 : int hostapd_wps_get_mib_sta(struct hostapd_data *hapd, const u8 *addr,
1542 : char *buf, size_t buflen)
1543 : {
1544 221 : if (hapd->wps == NULL)
1545 214 : return 0;
1546 7 : return wps_registrar_get_info(hapd->wps->registrar, addr, buf, buflen);
1547 : }
1548 :
1549 :
1550 2 : static void hostapd_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
1551 : {
1552 2 : struct hostapd_data *hapd = eloop_data;
1553 2 : wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
1554 2 : hostapd_wps_ap_pin_disable(hapd);
1555 2 : wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_PIN_DISABLED);
1556 2 : }
1557 :
1558 :
1559 7 : static void hostapd_wps_ap_pin_enable(struct hostapd_data *hapd, int timeout)
1560 : {
1561 7 : wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
1562 7 : hapd->ap_pin_failures = 0;
1563 7 : hapd->ap_pin_failures_consecutive = 0;
1564 7 : hapd->conf->ap_setup_locked = 0;
1565 7 : if (hapd->wps->ap_setup_locked) {
1566 1 : wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_SETUP_UNLOCKED);
1567 1 : hapd->wps->ap_setup_locked = 0;
1568 1 : wps_registrar_update_ie(hapd->wps->registrar);
1569 : }
1570 7 : eloop_cancel_timeout(hostapd_wps_ap_pin_timeout, hapd, NULL);
1571 7 : if (timeout > 0)
1572 7 : eloop_register_timeout(timeout, 0,
1573 : hostapd_wps_ap_pin_timeout, hapd, NULL);
1574 7 : }
1575 :
1576 :
1577 8 : static int wps_ap_pin_disable(struct hostapd_data *hapd, void *ctx)
1578 : {
1579 8 : os_free(hapd->conf->ap_pin);
1580 8 : hapd->conf->ap_pin = NULL;
1581 : #ifdef CONFIG_WPS_UPNP
1582 8 : upnp_wps_set_ap_pin(hapd->wps_upnp, NULL);
1583 : #endif /* CONFIG_WPS_UPNP */
1584 8 : eloop_cancel_timeout(hostapd_wps_ap_pin_timeout, hapd, NULL);
1585 8 : return 0;
1586 : }
1587 :
1588 :
1589 8 : void hostapd_wps_ap_pin_disable(struct hostapd_data *hapd)
1590 : {
1591 8 : wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
1592 8 : hostapd_wps_for_each(hapd, wps_ap_pin_disable, NULL);
1593 8 : }
1594 :
1595 :
1596 : struct wps_ap_pin_data {
1597 : char pin_txt[9];
1598 : int timeout;
1599 : };
1600 :
1601 :
1602 9 : static int wps_ap_pin_set(struct hostapd_data *hapd, void *ctx)
1603 : {
1604 9 : struct wps_ap_pin_data *data = ctx;
1605 :
1606 9 : if (!hapd->wps)
1607 2 : return 0;
1608 :
1609 7 : os_free(hapd->conf->ap_pin);
1610 7 : hapd->conf->ap_pin = os_strdup(data->pin_txt);
1611 : #ifdef CONFIG_WPS_UPNP
1612 7 : upnp_wps_set_ap_pin(hapd->wps_upnp, data->pin_txt);
1613 : #endif /* CONFIG_WPS_UPNP */
1614 7 : hostapd_wps_ap_pin_enable(hapd, data->timeout);
1615 7 : return 0;
1616 : }
1617 :
1618 :
1619 6 : const char * hostapd_wps_ap_pin_random(struct hostapd_data *hapd, int timeout)
1620 : {
1621 : unsigned int pin;
1622 : struct wps_ap_pin_data data;
1623 :
1624 6 : if (wps_generate_pin(&pin) < 0)
1625 1 : return NULL;
1626 5 : os_snprintf(data.pin_txt, sizeof(data.pin_txt), "%08u", pin);
1627 5 : data.timeout = timeout;
1628 5 : hostapd_wps_for_each(hapd, wps_ap_pin_set, &data);
1629 5 : return hapd->conf->ap_pin;
1630 : }
1631 :
1632 :
1633 4 : const char * hostapd_wps_ap_pin_get(struct hostapd_data *hapd)
1634 : {
1635 4 : return hapd->conf->ap_pin;
1636 : }
1637 :
1638 :
1639 3 : int hostapd_wps_ap_pin_set(struct hostapd_data *hapd, const char *pin,
1640 : int timeout)
1641 : {
1642 : struct wps_ap_pin_data data;
1643 : int ret;
1644 :
1645 3 : ret = os_snprintf(data.pin_txt, sizeof(data.pin_txt), "%s", pin);
1646 3 : if (os_snprintf_error(sizeof(data.pin_txt), ret))
1647 0 : return -1;
1648 3 : data.timeout = timeout;
1649 3 : return hostapd_wps_for_each(hapd, wps_ap_pin_set, &data);
1650 : }
1651 :
1652 :
1653 5 : static int wps_update_ie(struct hostapd_data *hapd, void *ctx)
1654 : {
1655 5 : if (hapd->wps)
1656 5 : wps_registrar_update_ie(hapd->wps->registrar);
1657 5 : return 0;
1658 : }
1659 :
1660 :
1661 5 : void hostapd_wps_update_ie(struct hostapd_data *hapd)
1662 : {
1663 5 : hostapd_wps_for_each(hapd, wps_update_ie, NULL);
1664 5 : }
1665 :
1666 :
1667 4 : int hostapd_wps_config_ap(struct hostapd_data *hapd, const char *ssid,
1668 : const char *auth, const char *encr, const char *key)
1669 : {
1670 : struct wps_credential cred;
1671 : size_t len;
1672 :
1673 4 : os_memset(&cred, 0, sizeof(cred));
1674 :
1675 4 : len = os_strlen(ssid);
1676 8 : if ((len & 1) || len > 2 * sizeof(cred.ssid) ||
1677 4 : hexstr2bin(ssid, cred.ssid, len / 2))
1678 0 : return -1;
1679 4 : cred.ssid_len = len / 2;
1680 :
1681 4 : if (os_strncmp(auth, "OPEN", 4) == 0)
1682 0 : cred.auth_type = WPS_AUTH_OPEN;
1683 4 : else if (os_strncmp(auth, "WPAPSK", 6) == 0)
1684 0 : cred.auth_type = WPS_AUTH_WPAPSK;
1685 4 : else if (os_strncmp(auth, "WPA2PSK", 7) == 0)
1686 4 : cred.auth_type = WPS_AUTH_WPA2PSK;
1687 : else
1688 0 : return -1;
1689 :
1690 4 : if (encr) {
1691 4 : if (os_strncmp(encr, "NONE", 4) == 0)
1692 0 : cred.encr_type = WPS_ENCR_NONE;
1693 4 : else if (os_strncmp(encr, "TKIP", 4) == 0)
1694 0 : cred.encr_type = WPS_ENCR_TKIP;
1695 4 : else if (os_strncmp(encr, "CCMP", 4) == 0)
1696 4 : cred.encr_type = WPS_ENCR_AES;
1697 : else
1698 0 : return -1;
1699 : } else
1700 0 : cred.encr_type = WPS_ENCR_NONE;
1701 :
1702 4 : if (key) {
1703 4 : len = os_strlen(key);
1704 8 : if ((len & 1) || len > 2 * sizeof(cred.key) ||
1705 4 : hexstr2bin(key, cred.key, len / 2))
1706 0 : return -1;
1707 4 : cred.key_len = len / 2;
1708 : }
1709 :
1710 4 : return wps_registrar_config_ap(hapd->wps->registrar, &cred);
1711 : }
1712 :
1713 :
1714 : #ifdef CONFIG_WPS_NFC
1715 :
1716 : struct wps_nfc_password_token_data {
1717 : const u8 *oob_dev_pw;
1718 : size_t oob_dev_pw_len;
1719 : int added;
1720 : };
1721 :
1722 :
1723 2 : static int wps_add_nfc_password_token(struct hostapd_data *hapd, void *ctx)
1724 : {
1725 2 : struct wps_nfc_password_token_data *data = ctx;
1726 : int ret;
1727 :
1728 2 : if (hapd->wps == NULL)
1729 0 : return 0;
1730 2 : ret = wps_registrar_add_nfc_password_token(hapd->wps->registrar,
1731 : data->oob_dev_pw,
1732 : data->oob_dev_pw_len);
1733 2 : if (ret == 0)
1734 2 : data->added++;
1735 2 : return ret;
1736 : }
1737 :
1738 :
1739 2 : static int hostapd_wps_add_nfc_password_token(struct hostapd_data *hapd,
1740 : struct wps_parse_attr *attr)
1741 : {
1742 : struct wps_nfc_password_token_data data;
1743 :
1744 2 : data.oob_dev_pw = attr->oob_dev_password;
1745 2 : data.oob_dev_pw_len = attr->oob_dev_password_len;
1746 2 : data.added = 0;
1747 2 : if (hostapd_wps_for_each(hapd, wps_add_nfc_password_token, &data) < 0)
1748 0 : return -1;
1749 2 : return data.added ? 0 : -1;
1750 : }
1751 :
1752 :
1753 2 : static int hostapd_wps_nfc_tag_process(struct hostapd_data *hapd,
1754 : const struct wpabuf *wps)
1755 : {
1756 : struct wps_parse_attr attr;
1757 :
1758 2 : wpa_hexdump_buf(MSG_DEBUG, "WPS: Received NFC tag payload", wps);
1759 :
1760 2 : if (wps_parse_msg(wps, &attr)) {
1761 0 : wpa_printf(MSG_DEBUG, "WPS: Ignore invalid data from NFC tag");
1762 0 : return -1;
1763 : }
1764 :
1765 2 : if (attr.oob_dev_password)
1766 2 : return hostapd_wps_add_nfc_password_token(hapd, &attr);
1767 :
1768 0 : wpa_printf(MSG_DEBUG, "WPS: Ignore unrecognized NFC tag");
1769 0 : return -1;
1770 : }
1771 :
1772 :
1773 3 : int hostapd_wps_nfc_tag_read(struct hostapd_data *hapd,
1774 : const struct wpabuf *data)
1775 : {
1776 3 : const struct wpabuf *wps = data;
1777 3 : struct wpabuf *tmp = NULL;
1778 : int ret;
1779 :
1780 3 : if (wpabuf_len(data) < 4)
1781 1 : return -1;
1782 :
1783 2 : if (*wpabuf_head_u8(data) != 0x10) {
1784 : /* Assume this contains full NDEF record */
1785 2 : tmp = ndef_parse_wifi(data);
1786 2 : if (tmp == NULL) {
1787 0 : wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF");
1788 0 : return -1;
1789 : }
1790 2 : wps = tmp;
1791 : }
1792 :
1793 2 : ret = hostapd_wps_nfc_tag_process(hapd, wps);
1794 2 : wpabuf_free(tmp);
1795 2 : return ret;
1796 : }
1797 :
1798 :
1799 5 : struct wpabuf * hostapd_wps_nfc_config_token(struct hostapd_data *hapd,
1800 : int ndef)
1801 : {
1802 : struct wpabuf *ret;
1803 :
1804 5 : if (hapd->wps == NULL)
1805 1 : return NULL;
1806 :
1807 4 : ret = wps_get_oob_cred(hapd->wps, hostapd_wps_rf_band_cb(hapd),
1808 4 : hapd->iconf->channel);
1809 4 : if (ndef && ret) {
1810 : struct wpabuf *tmp;
1811 3 : tmp = ndef_build_wifi(ret);
1812 3 : wpabuf_free(ret);
1813 3 : if (tmp == NULL)
1814 0 : return NULL;
1815 3 : ret = tmp;
1816 : }
1817 :
1818 4 : return ret;
1819 : }
1820 :
1821 :
1822 11 : struct wpabuf * hostapd_wps_nfc_hs_cr(struct hostapd_data *hapd, int ndef)
1823 : {
1824 : struct wpabuf *ret;
1825 :
1826 11 : if (hapd->wps == NULL)
1827 1 : return NULL;
1828 :
1829 10 : if (hapd->conf->wps_nfc_dh_pubkey == NULL) {
1830 8 : struct wps_context *wps = hapd->wps;
1831 8 : if (wps_nfc_gen_dh(&hapd->conf->wps_nfc_dh_pubkey,
1832 8 : &hapd->conf->wps_nfc_dh_privkey) < 0)
1833 0 : return NULL;
1834 8 : hostapd_wps_nfc_clear(wps);
1835 8 : wps->ap_nfc_dev_pw_id = DEV_PW_NFC_CONNECTION_HANDOVER;
1836 8 : wps->ap_nfc_dh_pubkey =
1837 8 : wpabuf_dup(hapd->conf->wps_nfc_dh_pubkey);
1838 8 : wps->ap_nfc_dh_privkey =
1839 8 : wpabuf_dup(hapd->conf->wps_nfc_dh_privkey);
1840 8 : if (!wps->ap_nfc_dh_pubkey || !wps->ap_nfc_dh_privkey) {
1841 0 : hostapd_wps_nfc_clear(wps);
1842 0 : return NULL;
1843 : }
1844 : }
1845 :
1846 20 : ret = wps_build_nfc_handover_sel(hapd->wps,
1847 10 : hapd->conf->wps_nfc_dh_pubkey,
1848 20 : hapd->own_addr, hapd->iface->freq);
1849 :
1850 10 : if (ndef && ret) {
1851 : struct wpabuf *tmp;
1852 9 : tmp = ndef_build_wifi(ret);
1853 9 : wpabuf_free(ret);
1854 9 : if (tmp == NULL)
1855 0 : return NULL;
1856 9 : ret = tmp;
1857 : }
1858 :
1859 10 : return ret;
1860 : }
1861 :
1862 :
1863 10 : int hostapd_wps_nfc_report_handover(struct hostapd_data *hapd,
1864 : const struct wpabuf *req,
1865 : const struct wpabuf *sel)
1866 : {
1867 : struct wpabuf *wps;
1868 10 : int ret = -1;
1869 : u16 wsc_len;
1870 : const u8 *pos;
1871 : struct wpabuf msg;
1872 : struct wps_parse_attr attr;
1873 : u16 dev_pw_id;
1874 :
1875 : /*
1876 : * Enrollee/station is always initiator of the NFC connection handover,
1877 : * so use the request message here to find Enrollee public key hash.
1878 : */
1879 10 : wps = ndef_parse_wifi(req);
1880 10 : if (wps == NULL)
1881 2 : return -1;
1882 8 : wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc "
1883 : "payload from NFC connection handover");
1884 8 : wpa_hexdump_buf(MSG_DEBUG, "WPS: NFC payload", wps);
1885 8 : if (wpabuf_len(wps) < 2) {
1886 0 : wpa_printf(MSG_DEBUG, "WPS: Too short Wi-Fi Handover Request "
1887 : "Message");
1888 0 : goto out;
1889 : }
1890 8 : pos = wpabuf_head(wps);
1891 8 : wsc_len = WPA_GET_BE16(pos);
1892 8 : if (wsc_len > wpabuf_len(wps) - 2) {
1893 0 : wpa_printf(MSG_DEBUG, "WPS: Invalid WSC attribute length (%u) "
1894 : "in rt Wi-Fi Handover Request Message", wsc_len);
1895 0 : goto out;
1896 : }
1897 8 : pos += 2;
1898 :
1899 8 : wpa_hexdump(MSG_DEBUG,
1900 : "WPS: WSC attributes in Wi-Fi Handover Request Message",
1901 : pos, wsc_len);
1902 8 : if (wsc_len < wpabuf_len(wps) - 2) {
1903 0 : wpa_hexdump(MSG_DEBUG,
1904 : "WPS: Ignore extra data after WSC attributes",
1905 0 : pos + wsc_len, wpabuf_len(wps) - 2 - wsc_len);
1906 : }
1907 :
1908 8 : wpabuf_set(&msg, pos, wsc_len);
1909 8 : ret = wps_parse_msg(&msg, &attr);
1910 8 : if (ret < 0) {
1911 0 : wpa_printf(MSG_DEBUG, "WPS: Could not parse WSC attributes in "
1912 : "Wi-Fi Handover Request Message");
1913 0 : goto out;
1914 : }
1915 :
1916 16 : if (attr.oob_dev_password == NULL ||
1917 8 : attr.oob_dev_password_len < WPS_OOB_PUBKEY_HASH_LEN + 2) {
1918 0 : wpa_printf(MSG_DEBUG, "WPS: No Out-of-Band Device Password "
1919 : "included in Wi-Fi Handover Request Message");
1920 0 : ret = -1;
1921 0 : goto out;
1922 : }
1923 :
1924 8 : if (attr.uuid_e == NULL) {
1925 0 : wpa_printf(MSG_DEBUG, "WPS: No UUID-E included in Wi-Fi "
1926 : "Handover Request Message");
1927 0 : ret = -1;
1928 0 : goto out;
1929 : }
1930 :
1931 8 : wpa_hexdump(MSG_DEBUG, "WPS: UUID-E", attr.uuid_e, WPS_UUID_LEN);
1932 :
1933 16 : wpa_hexdump(MSG_DEBUG, "WPS: Out-of-Band Device Password",
1934 16 : attr.oob_dev_password, attr.oob_dev_password_len);
1935 8 : dev_pw_id = WPA_GET_BE16(attr.oob_dev_password +
1936 : WPS_OOB_PUBKEY_HASH_LEN);
1937 8 : if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER) {
1938 0 : wpa_printf(MSG_DEBUG, "WPS: Unexpected OOB Device Password ID "
1939 : "%u in Wi-Fi Handover Request Message", dev_pw_id);
1940 0 : ret = -1;
1941 0 : goto out;
1942 : }
1943 8 : wpa_hexdump(MSG_DEBUG, "WPS: Enrollee Public Key hash",
1944 8 : attr.oob_dev_password, WPS_OOB_PUBKEY_HASH_LEN);
1945 :
1946 8 : ret = wps_registrar_add_nfc_pw_token(hapd->wps->registrar,
1947 : attr.oob_dev_password,
1948 : DEV_PW_NFC_CONNECTION_HANDOVER,
1949 : NULL, 0, 1);
1950 :
1951 : out:
1952 8 : wpabuf_free(wps);
1953 8 : return ret;
1954 : }
1955 :
1956 :
1957 6 : struct wpabuf * hostapd_wps_nfc_token_gen(struct hostapd_data *hapd, int ndef)
1958 : {
1959 6 : if (hapd->conf->wps_nfc_pw_from_config) {
1960 0 : return wps_nfc_token_build(ndef,
1961 0 : hapd->conf->wps_nfc_dev_pw_id,
1962 0 : hapd->conf->wps_nfc_dh_pubkey,
1963 0 : hapd->conf->wps_nfc_dev_pw);
1964 : }
1965 :
1966 18 : return wps_nfc_token_gen(ndef, &hapd->conf->wps_nfc_dev_pw_id,
1967 6 : &hapd->conf->wps_nfc_dh_pubkey,
1968 6 : &hapd->conf->wps_nfc_dh_privkey,
1969 6 : &hapd->conf->wps_nfc_dev_pw);
1970 : }
1971 :
1972 :
1973 3 : int hostapd_wps_nfc_token_enable(struct hostapd_data *hapd)
1974 : {
1975 3 : struct wps_context *wps = hapd->wps;
1976 : struct wpabuf *pw;
1977 :
1978 3 : if (wps == NULL)
1979 0 : return -1;
1980 :
1981 6 : if (!hapd->conf->wps_nfc_dh_pubkey ||
1982 6 : !hapd->conf->wps_nfc_dh_privkey ||
1983 6 : !hapd->conf->wps_nfc_dev_pw ||
1984 3 : !hapd->conf->wps_nfc_dev_pw_id)
1985 0 : return -1;
1986 :
1987 3 : hostapd_wps_nfc_clear(wps);
1988 3 : wpa_printf(MSG_DEBUG,
1989 : "WPS: Enable NFC Tag (Dev Pw Id %u) for AP interface %s (context %p)",
1990 3 : hapd->conf->wps_nfc_dev_pw_id, hapd->conf->iface, wps);
1991 3 : wps->ap_nfc_dev_pw_id = hapd->conf->wps_nfc_dev_pw_id;
1992 3 : wps->ap_nfc_dh_pubkey = wpabuf_dup(hapd->conf->wps_nfc_dh_pubkey);
1993 3 : wps->ap_nfc_dh_privkey = wpabuf_dup(hapd->conf->wps_nfc_dh_privkey);
1994 3 : pw = hapd->conf->wps_nfc_dev_pw;
1995 3 : wps->ap_nfc_dev_pw = wpabuf_alloc(
1996 3 : wpabuf_len(pw) * 2 + 1);
1997 3 : if (wps->ap_nfc_dev_pw) {
1998 9 : wpa_snprintf_hex_uppercase(
1999 3 : (char *) wpabuf_put(wps->ap_nfc_dev_pw,
2000 3 : wpabuf_len(pw) * 2),
2001 3 : wpabuf_len(pw) * 2 + 1,
2002 3 : wpabuf_head(pw), wpabuf_len(pw));
2003 : }
2004 :
2005 6 : if (!wps->ap_nfc_dh_pubkey || !wps->ap_nfc_dh_privkey ||
2006 3 : !wps->ap_nfc_dev_pw) {
2007 0 : hostapd_wps_nfc_clear(wps);
2008 0 : return -1;
2009 : }
2010 :
2011 3 : return 0;
2012 : }
2013 :
2014 :
2015 1 : void hostapd_wps_nfc_token_disable(struct hostapd_data *hapd)
2016 : {
2017 1 : wpa_printf(MSG_DEBUG, "WPS: Disable NFC token for AP interface %s",
2018 1 : hapd->conf->iface);
2019 1 : hostapd_wps_nfc_clear(hapd->wps);
2020 1 : }
2021 :
2022 : #endif /* CONFIG_WPS_NFC */
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