wps_hostapd.c revision b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15
1/* 2 * hostapd / WPS integration 3 * Copyright (c) 2008-2012, 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" 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 38static 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); 42static void hostapd_wps_ap_pin_timeout(void *eloop_data, void *user_ctx); 43 44 45struct wps_for_each_data { 46 int (*func)(struct hostapd_data *h, void *ctx); 47 void *ctx; 48 struct hostapd_data *calling_hapd; 49}; 50 51 52static int wps_for_each(struct hostapd_iface *iface, void *ctx) 53{ 54 struct wps_for_each_data *data = ctx; 55 size_t j; 56 57 if (iface == NULL) 58 return 0; 59 for (j = 0; j < iface->num_bss; j++) { 60 struct hostapd_data *hapd = iface->bss[j]; 61 int ret; 62 63 if (hapd != data->calling_hapd && 64 (hapd->conf->wps_independent || 65 data->calling_hapd->conf->wps_independent)) 66 continue; 67 68 ret = data->func(hapd, data->ctx); 69 if (ret) 70 return ret; 71 } 72 73 return 0; 74} 75 76 77static int hostapd_wps_for_each(struct hostapd_data *hapd, 78 int (*func)(struct hostapd_data *h, void *ctx), 79 void *ctx) 80{ 81 struct hostapd_iface *iface = hapd->iface; 82 struct wps_for_each_data data; 83 data.func = func; 84 data.ctx = ctx; 85 data.calling_hapd = hapd; 86 if (iface->interfaces == NULL || 87 iface->interfaces->for_each_interface == NULL) 88 return wps_for_each(iface, &data); 89 return iface->interfaces->for_each_interface(iface->interfaces, 90 wps_for_each, &data); 91} 92 93 94static int hostapd_wps_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *psk, 95 size_t psk_len) 96{ 97 struct hostapd_data *hapd = ctx; 98 struct hostapd_wpa_psk *p; 99 struct hostapd_ssid *ssid = &hapd->conf->ssid; 100 101 wpa_printf(MSG_DEBUG, "Received new WPA/WPA2-PSK from WPS for STA " 102 MACSTR, MAC2STR(mac_addr)); 103 wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len); 104 105 if (psk_len != PMK_LEN) { 106 wpa_printf(MSG_DEBUG, "Unexpected PSK length %lu", 107 (unsigned long) psk_len); 108 return -1; 109 } 110 111 /* Add the new PSK to runtime PSK list */ 112 p = os_zalloc(sizeof(*p)); 113 if (p == NULL) 114 return -1; 115 os_memcpy(p->addr, mac_addr, ETH_ALEN); 116 os_memcpy(p->psk, psk, PMK_LEN); 117 118 p->next = ssid->wpa_psk; 119 ssid->wpa_psk = p; 120 121 if (ssid->wpa_psk_file) { 122 FILE *f; 123 char hex[PMK_LEN * 2 + 1]; 124 /* Add the new PSK to PSK list file */ 125 f = fopen(ssid->wpa_psk_file, "a"); 126 if (f == NULL) { 127 wpa_printf(MSG_DEBUG, "Failed to add the PSK to " 128 "'%s'", ssid->wpa_psk_file); 129 return -1; 130 } 131 132 wpa_snprintf_hex(hex, sizeof(hex), psk, psk_len); 133 fprintf(f, MACSTR " %s\n", MAC2STR(mac_addr), hex); 134 fclose(f); 135 } 136 137 return 0; 138} 139 140 141static int hostapd_wps_set_ie_cb(void *ctx, struct wpabuf *beacon_ie, 142 struct wpabuf *probe_resp_ie) 143{ 144 struct hostapd_data *hapd = ctx; 145 wpabuf_free(hapd->wps_beacon_ie); 146 hapd->wps_beacon_ie = beacon_ie; 147 wpabuf_free(hapd->wps_probe_resp_ie); 148 hapd->wps_probe_resp_ie = probe_resp_ie; 149 if (hapd->beacon_set_done) 150 ieee802_11_set_beacon(hapd); 151 return hostapd_set_ap_wps_ie(hapd); 152} 153 154 155static void hostapd_wps_pin_needed_cb(void *ctx, const u8 *uuid_e, 156 const struct wps_device_data *dev) 157{ 158 struct hostapd_data *hapd = ctx; 159 char uuid[40], txt[400]; 160 int len; 161 char devtype[WPS_DEV_TYPE_BUFSIZE]; 162 if (uuid_bin2str(uuid_e, uuid, sizeof(uuid))) 163 return; 164 wpa_printf(MSG_DEBUG, "WPS: PIN needed for E-UUID %s", uuid); 165 len = os_snprintf(txt, sizeof(txt), WPS_EVENT_PIN_NEEDED 166 "%s " MACSTR " [%s|%s|%s|%s|%s|%s]", 167 uuid, MAC2STR(dev->mac_addr), dev->device_name, 168 dev->manufacturer, dev->model_name, 169 dev->model_number, dev->serial_number, 170 wps_dev_type_bin2str(dev->pri_dev_type, devtype, 171 sizeof(devtype))); 172 if (len > 0 && len < (int) sizeof(txt)) 173 wpa_msg(hapd->msg_ctx, MSG_INFO, "%s", txt); 174 175 if (hapd->conf->wps_pin_requests) { 176 FILE *f; 177 struct os_time t; 178 f = fopen(hapd->conf->wps_pin_requests, "a"); 179 if (f == NULL) 180 return; 181 os_get_time(&t); 182 fprintf(f, "%ld\t%s\t" MACSTR "\t%s\t%s\t%s\t%s\t%s" 183 "\t%s\n", 184 t.sec, uuid, MAC2STR(dev->mac_addr), dev->device_name, 185 dev->manufacturer, dev->model_name, dev->model_number, 186 dev->serial_number, 187 wps_dev_type_bin2str(dev->pri_dev_type, devtype, 188 sizeof(devtype))); 189 fclose(f); 190 } 191} 192 193 194struct wps_stop_reg_data { 195 struct hostapd_data *current_hapd; 196 const u8 *uuid_e; 197 const u8 *dev_pw; 198 size_t dev_pw_len; 199}; 200 201static int wps_stop_registrar(struct hostapd_data *hapd, void *ctx) 202{ 203 struct wps_stop_reg_data *data = ctx; 204 if (hapd != data->current_hapd && hapd->wps != NULL) 205 wps_registrar_complete(hapd->wps->registrar, data->uuid_e, 206 data->dev_pw, data->dev_pw_len); 207 return 0; 208} 209 210 211static void hostapd_wps_reg_success_cb(void *ctx, const u8 *mac_addr, 212 const u8 *uuid_e, const u8 *dev_pw, 213 size_t dev_pw_len) 214{ 215 struct hostapd_data *hapd = ctx; 216 char uuid[40]; 217 struct wps_stop_reg_data data; 218 if (uuid_bin2str(uuid_e, uuid, sizeof(uuid))) 219 return; 220 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_REG_SUCCESS MACSTR " %s", 221 MAC2STR(mac_addr), uuid); 222 if (hapd->wps_reg_success_cb) 223 hapd->wps_reg_success_cb(hapd->wps_reg_success_cb_ctx, 224 mac_addr, uuid_e); 225 data.current_hapd = hapd; 226 data.uuid_e = uuid_e; 227 data.dev_pw = dev_pw; 228 data.dev_pw_len = dev_pw_len; 229 hostapd_wps_for_each(hapd, wps_stop_registrar, &data); 230} 231 232 233static void hostapd_wps_enrollee_seen_cb(void *ctx, const u8 *addr, 234 const u8 *uuid_e, 235 const u8 *pri_dev_type, 236 u16 config_methods, 237 u16 dev_password_id, u8 request_type, 238 const char *dev_name) 239{ 240 struct hostapd_data *hapd = ctx; 241 char uuid[40]; 242 char devtype[WPS_DEV_TYPE_BUFSIZE]; 243 if (uuid_bin2str(uuid_e, uuid, sizeof(uuid))) 244 return; 245 if (dev_name == NULL) 246 dev_name = ""; 247 wpa_msg_ctrl(hapd->msg_ctx, MSG_INFO, WPS_EVENT_ENROLLEE_SEEN MACSTR 248 " %s %s 0x%x %u %u [%s]", 249 MAC2STR(addr), uuid, 250 wps_dev_type_bin2str(pri_dev_type, devtype, 251 sizeof(devtype)), 252 config_methods, dev_password_id, request_type, dev_name); 253} 254 255 256static int str_starts(const char *str, const char *start) 257{ 258 return os_strncmp(str, start, os_strlen(start)) == 0; 259} 260 261 262static void wps_reload_config(void *eloop_data, void *user_ctx) 263{ 264 struct hostapd_iface *iface = eloop_data; 265 266 wpa_printf(MSG_DEBUG, "WPS: Reload configuration data"); 267 if (iface->interfaces == NULL || 268 iface->interfaces->reload_config(iface) < 0) { 269 wpa_printf(MSG_WARNING, "WPS: Failed to reload the updated " 270 "configuration"); 271 } 272} 273 274 275static void hapd_new_ap_event(struct hostapd_data *hapd, const u8 *attr, 276 size_t attr_len) 277{ 278 size_t blen = attr_len * 2 + 1; 279 char *buf = os_malloc(blen); 280 if (buf) { 281 wpa_snprintf_hex(buf, blen, attr, attr_len); 282 wpa_msg(hapd->msg_ctx, MSG_INFO, 283 WPS_EVENT_NEW_AP_SETTINGS "%s", buf); 284 os_free(buf); 285 } 286} 287 288 289static int hapd_wps_reconfig_in_memory(struct hostapd_data *hapd, 290 const struct wps_credential *cred) 291{ 292 struct hostapd_bss_config *bss = hapd->conf; 293 294 wpa_printf(MSG_DEBUG, "WPS: Updating in-memory configuration"); 295 296 bss->wps_state = 2; 297 if (cred->ssid_len <= HOSTAPD_MAX_SSID_LEN) { 298 os_memcpy(bss->ssid.ssid, cred->ssid, cred->ssid_len); 299 bss->ssid.ssid_len = cred->ssid_len; 300 bss->ssid.ssid_set = 1; 301 } 302 303 if ((cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK)) && 304 (cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK))) 305 bss->wpa = 3; 306 else if (cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK)) 307 bss->wpa = 2; 308 else if (cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK)) 309 bss->wpa = 1; 310 else 311 bss->wpa = 0; 312 313 if (bss->wpa) { 314 if (cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA)) 315 bss->wpa_key_mgmt = WPA_KEY_MGMT_IEEE8021X; 316 if (cred->auth_type & (WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK)) 317 bss->wpa_key_mgmt = WPA_KEY_MGMT_PSK; 318 319 bss->wpa_pairwise = 0; 320 if (cred->encr_type & WPS_ENCR_AES) 321 bss->wpa_pairwise |= WPA_CIPHER_CCMP; 322 if (cred->encr_type & WPS_ENCR_TKIP) 323 bss->wpa_pairwise |= WPA_CIPHER_TKIP; 324 bss->rsn_pairwise = bss->wpa_pairwise; 325 bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, 326 bss->wpa_pairwise, 327 bss->rsn_pairwise); 328 329 if (cred->key_len >= 8 && cred->key_len < 64) { 330 os_free(bss->ssid.wpa_passphrase); 331 bss->ssid.wpa_passphrase = os_zalloc(cred->key_len + 1); 332 if (bss->ssid.wpa_passphrase) 333 os_memcpy(bss->ssid.wpa_passphrase, cred->key, 334 cred->key_len); 335 os_free(bss->ssid.wpa_psk); 336 bss->ssid.wpa_psk = NULL; 337 } else if (cred->key_len == 64) { 338 os_free(bss->ssid.wpa_psk); 339 bss->ssid.wpa_psk = 340 os_zalloc(sizeof(struct hostapd_wpa_psk)); 341 if (bss->ssid.wpa_psk && 342 hexstr2bin((const char *) cred->key, 343 bss->ssid.wpa_psk->psk, PMK_LEN) == 0) { 344 bss->ssid.wpa_psk->group = 1; 345 os_free(bss->ssid.wpa_passphrase); 346 bss->ssid.wpa_passphrase = NULL; 347 } 348 } 349 bss->auth_algs = 1; 350 } else { 351 if ((cred->auth_type & WPS_AUTH_OPEN) && 352 (cred->auth_type & WPS_AUTH_SHARED)) 353 bss->auth_algs = 3; 354 else if (cred->auth_type & WPS_AUTH_SHARED) 355 bss->auth_algs = 2; 356 else 357 bss->auth_algs = 1; 358 if (cred->encr_type & WPS_ENCR_WEP && cred->key_idx > 0 && 359 cred->key_idx <= 4) { 360 struct hostapd_wep_keys *wep = &bss->ssid.wep; 361 int idx = cred->key_idx; 362 if (idx) 363 idx--; 364 wep->idx = idx; 365 if (cred->key_len == 10 || cred->key_len == 26) { 366 os_free(wep->key[idx]); 367 wep->key[idx] = os_malloc(cred->key_len / 2); 368 if (wep->key[idx] == NULL || 369 hexstr2bin((const char *) cred->key, 370 wep->key[idx], 371 cred->key_len / 2)) 372 return -1; 373 wep->len[idx] = cred->key_len / 2; 374 } else { 375 os_free(wep->key[idx]); 376 wep->key[idx] = os_malloc(cred->key_len); 377 if (wep->key[idx] == NULL) 378 return -1; 379 os_memcpy(wep->key[idx], cred->key, 380 cred->key_len); 381 wep->len[idx] = cred->key_len; 382 } 383 wep->keys_set = 1; 384 } 385 } 386 387 /* Schedule configuration reload after short period of time to allow 388 * EAP-WSC to be finished. 389 */ 390 eloop_register_timeout(0, 100000, wps_reload_config, hapd->iface, 391 NULL); 392 393 return 0; 394} 395 396 397static int hapd_wps_cred_cb(struct hostapd_data *hapd, void *ctx) 398{ 399 const struct wps_credential *cred = ctx; 400 FILE *oconf, *nconf; 401 size_t len, i; 402 char *tmp_fname; 403 char buf[1024]; 404 int multi_bss; 405 int wpa; 406 407 if (hapd->wps == NULL) 408 return 0; 409 410 wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute", 411 cred->cred_attr, cred->cred_attr_len); 412 413 wpa_printf(MSG_DEBUG, "WPS: Received new AP Settings"); 414 wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len); 415 wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x", 416 cred->auth_type); 417 wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type); 418 wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx); 419 wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key", 420 cred->key, cred->key_len); 421 wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR, 422 MAC2STR(cred->mac_addr)); 423 424 if ((hapd->conf->wps_cred_processing == 1 || 425 hapd->conf->wps_cred_processing == 2) && cred->cred_attr) { 426 hapd_new_ap_event(hapd, cred->cred_attr, cred->cred_attr_len); 427 } else if (hapd->conf->wps_cred_processing == 1 || 428 hapd->conf->wps_cred_processing == 2) { 429 struct wpabuf *attr; 430 attr = wpabuf_alloc(200); 431 if (attr && wps_build_credential_wrap(attr, cred) == 0) 432 hapd_new_ap_event(hapd, wpabuf_head_u8(attr), 433 wpabuf_len(attr)); 434 wpabuf_free(attr); 435 } else 436 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_NEW_AP_SETTINGS); 437 438 if (hapd->conf->wps_cred_processing == 1) 439 return 0; 440 441 os_memcpy(hapd->wps->ssid, cred->ssid, cred->ssid_len); 442 hapd->wps->ssid_len = cred->ssid_len; 443 hapd->wps->encr_types = cred->encr_type; 444 hapd->wps->auth_types = cred->auth_type; 445 if (cred->key_len == 0) { 446 os_free(hapd->wps->network_key); 447 hapd->wps->network_key = NULL; 448 hapd->wps->network_key_len = 0; 449 } else { 450 if (hapd->wps->network_key == NULL || 451 hapd->wps->network_key_len < cred->key_len) { 452 hapd->wps->network_key_len = 0; 453 os_free(hapd->wps->network_key); 454 hapd->wps->network_key = os_malloc(cred->key_len); 455 if (hapd->wps->network_key == NULL) 456 return -1; 457 } 458 hapd->wps->network_key_len = cred->key_len; 459 os_memcpy(hapd->wps->network_key, cred->key, cred->key_len); 460 } 461 hapd->wps->wps_state = WPS_STATE_CONFIGURED; 462 463 if (hapd->iface->config_fname == NULL) 464 return hapd_wps_reconfig_in_memory(hapd, cred); 465 len = os_strlen(hapd->iface->config_fname) + 5; 466 tmp_fname = os_malloc(len); 467 if (tmp_fname == NULL) 468 return -1; 469 os_snprintf(tmp_fname, len, "%s-new", hapd->iface->config_fname); 470 471 oconf = fopen(hapd->iface->config_fname, "r"); 472 if (oconf == NULL) { 473 wpa_printf(MSG_WARNING, "WPS: Could not open current " 474 "configuration file"); 475 os_free(tmp_fname); 476 return -1; 477 } 478 479 nconf = fopen(tmp_fname, "w"); 480 if (nconf == NULL) { 481 wpa_printf(MSG_WARNING, "WPS: Could not write updated " 482 "configuration file"); 483 os_free(tmp_fname); 484 fclose(oconf); 485 return -1; 486 } 487 488 fprintf(nconf, "# WPS configuration - START\n"); 489 490 fprintf(nconf, "wps_state=2\n"); 491 492 if (is_hex(cred->ssid, cred->ssid_len)) { 493 fprintf(nconf, "ssid2="); 494 for (i = 0; i < cred->ssid_len; i++) 495 fprintf(nconf, "%02x", cred->ssid[i]); 496 fprintf(nconf, "\n"); 497 } else { 498 fprintf(nconf, "ssid="); 499 for (i = 0; i < cred->ssid_len; i++) 500 fputc(cred->ssid[i], nconf); 501 fprintf(nconf, "\n"); 502 } 503 504 if ((cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK)) && 505 (cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK))) 506 wpa = 3; 507 else if (cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK)) 508 wpa = 2; 509 else if (cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK)) 510 wpa = 1; 511 else 512 wpa = 0; 513 514 if (wpa) { 515 char *prefix; 516 fprintf(nconf, "wpa=%d\n", wpa); 517 518 fprintf(nconf, "wpa_key_mgmt="); 519 prefix = ""; 520 if (cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA)) { 521 fprintf(nconf, "WPA-EAP"); 522 prefix = " "; 523 } 524 if (cred->auth_type & (WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK)) 525 fprintf(nconf, "%sWPA-PSK", prefix); 526 fprintf(nconf, "\n"); 527 528 fprintf(nconf, "wpa_pairwise="); 529 prefix = ""; 530 if (cred->encr_type & WPS_ENCR_AES) { 531 fprintf(nconf, "CCMP"); 532 prefix = " "; 533 } 534 if (cred->encr_type & WPS_ENCR_TKIP) { 535 fprintf(nconf, "%sTKIP", prefix); 536 } 537 fprintf(nconf, "\n"); 538 539 if (cred->key_len >= 8 && cred->key_len < 64) { 540 fprintf(nconf, "wpa_passphrase="); 541 for (i = 0; i < cred->key_len; i++) 542 fputc(cred->key[i], nconf); 543 fprintf(nconf, "\n"); 544 } else if (cred->key_len == 64) { 545 fprintf(nconf, "wpa_psk="); 546 for (i = 0; i < cred->key_len; i++) 547 fputc(cred->key[i], nconf); 548 fprintf(nconf, "\n"); 549 } else { 550 wpa_printf(MSG_WARNING, "WPS: Invalid key length %lu " 551 "for WPA/WPA2", 552 (unsigned long) cred->key_len); 553 } 554 555 fprintf(nconf, "auth_algs=1\n"); 556 } else { 557 if ((cred->auth_type & WPS_AUTH_OPEN) && 558 (cred->auth_type & WPS_AUTH_SHARED)) 559 fprintf(nconf, "auth_algs=3\n"); 560 else if (cred->auth_type & WPS_AUTH_SHARED) 561 fprintf(nconf, "auth_algs=2\n"); 562 else 563 fprintf(nconf, "auth_algs=1\n"); 564 565 if (cred->encr_type & WPS_ENCR_WEP && cred->key_idx <= 4) { 566 int key_idx = cred->key_idx; 567 if (key_idx) 568 key_idx--; 569 fprintf(nconf, "wep_default_key=%d\n", key_idx); 570 fprintf(nconf, "wep_key%d=", key_idx); 571 if (cred->key_len == 10 || cred->key_len == 26) { 572 /* WEP key as a hex string */ 573 for (i = 0; i < cred->key_len; i++) 574 fputc(cred->key[i], nconf); 575 } else { 576 /* Raw WEP key; convert to hex */ 577 for (i = 0; i < cred->key_len; i++) 578 fprintf(nconf, "%02x", cred->key[i]); 579 } 580 fprintf(nconf, "\n"); 581 } 582 } 583 584 fprintf(nconf, "# WPS configuration - END\n"); 585 586 multi_bss = 0; 587 while (fgets(buf, sizeof(buf), oconf)) { 588 if (os_strncmp(buf, "bss=", 4) == 0) 589 multi_bss = 1; 590 if (!multi_bss && 591 (str_starts(buf, "ssid=") || 592 str_starts(buf, "ssid2=") || 593 str_starts(buf, "auth_algs=") || 594 str_starts(buf, "wep_default_key=") || 595 str_starts(buf, "wep_key") || 596 str_starts(buf, "wps_state=") || 597 str_starts(buf, "wpa=") || 598 str_starts(buf, "wpa_psk=") || 599 str_starts(buf, "wpa_pairwise=") || 600 str_starts(buf, "rsn_pairwise=") || 601 str_starts(buf, "wpa_key_mgmt=") || 602 str_starts(buf, "wpa_passphrase="))) { 603 fprintf(nconf, "#WPS# %s", buf); 604 } else 605 fprintf(nconf, "%s", buf); 606 } 607 608 fclose(nconf); 609 fclose(oconf); 610 611 if (rename(tmp_fname, hapd->iface->config_fname) < 0) { 612 wpa_printf(MSG_WARNING, "WPS: Failed to rename the updated " 613 "configuration file: %s", strerror(errno)); 614 os_free(tmp_fname); 615 return -1; 616 } 617 618 os_free(tmp_fname); 619 620 /* Schedule configuration reload after short period of time to allow 621 * EAP-WSC to be finished. 622 */ 623 eloop_register_timeout(0, 100000, wps_reload_config, hapd->iface, 624 NULL); 625 626 wpa_printf(MSG_DEBUG, "WPS: AP configuration updated"); 627 628 return 0; 629} 630 631 632static int hostapd_wps_cred_cb(void *ctx, const struct wps_credential *cred) 633{ 634 struct hostapd_data *hapd = ctx; 635 return hostapd_wps_for_each(hapd, hapd_wps_cred_cb, (void *) cred); 636} 637 638 639static void hostapd_wps_reenable_ap_pin(void *eloop_data, void *user_ctx) 640{ 641 struct hostapd_data *hapd = eloop_data; 642 643 if (hapd->conf->ap_setup_locked) 644 return; 645 if (hapd->ap_pin_failures_consecutive >= 10) 646 return; 647 648 wpa_printf(MSG_DEBUG, "WPS: Re-enable AP PIN"); 649 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_SETUP_UNLOCKED); 650 hapd->wps->ap_setup_locked = 0; 651 wps_registrar_update_ie(hapd->wps->registrar); 652} 653 654 655static int wps_pwd_auth_fail(struct hostapd_data *hapd, void *ctx) 656{ 657 struct wps_event_pwd_auth_fail *data = ctx; 658 659 if (!data->enrollee || hapd->conf->ap_pin == NULL || hapd->wps == NULL) 660 return 0; 661 662 /* 663 * Registrar failed to prove its knowledge of the AP PIN. Lock AP setup 664 * for some time if this happens multiple times to slow down brute 665 * force attacks. 666 */ 667 hapd->ap_pin_failures++; 668 hapd->ap_pin_failures_consecutive++; 669 wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u " 670 "(%u consecutive)", 671 hapd->ap_pin_failures, hapd->ap_pin_failures_consecutive); 672 if (hapd->ap_pin_failures < 3) 673 return 0; 674 675 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_SETUP_LOCKED); 676 hapd->wps->ap_setup_locked = 1; 677 678 wps_registrar_update_ie(hapd->wps->registrar); 679 680 if (!hapd->conf->ap_setup_locked && 681 hapd->ap_pin_failures_consecutive >= 10) { 682 /* 683 * In indefinite lockdown - disable automatic AP PIN 684 * reenablement. 685 */ 686 eloop_cancel_timeout(hostapd_wps_reenable_ap_pin, hapd, NULL); 687 wpa_printf(MSG_DEBUG, "WPS: AP PIN disabled indefinitely"); 688 } else if (!hapd->conf->ap_setup_locked) { 689 if (hapd->ap_pin_lockout_time == 0) 690 hapd->ap_pin_lockout_time = 60; 691 else if (hapd->ap_pin_lockout_time < 365 * 24 * 60 * 60 && 692 (hapd->ap_pin_failures % 3) == 0) 693 hapd->ap_pin_lockout_time *= 2; 694 695 wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN for %u seconds", 696 hapd->ap_pin_lockout_time); 697 eloop_cancel_timeout(hostapd_wps_reenable_ap_pin, hapd, NULL); 698 eloop_register_timeout(hapd->ap_pin_lockout_time, 0, 699 hostapd_wps_reenable_ap_pin, hapd, 700 NULL); 701 } 702 703 return 0; 704} 705 706 707static void hostapd_pwd_auth_fail(struct hostapd_data *hapd, 708 struct wps_event_pwd_auth_fail *data) 709{ 710 /* Update WPS Status - Authentication Failure */ 711 wpa_printf(MSG_DEBUG, "WPS: Authentication failure update"); 712 hapd->wps_stats.status = WPS_STATUS_FAILURE; 713 hapd->wps_stats.failure_reason = WPS_EI_AUTH_FAILURE; 714 os_memcpy(hapd->wps_stats.peer_addr, data->peer_macaddr, ETH_ALEN); 715 716 hostapd_wps_for_each(hapd, wps_pwd_auth_fail, data); 717} 718 719 720static int wps_ap_pin_success(struct hostapd_data *hapd, void *ctx) 721{ 722 if (hapd->conf->ap_pin == NULL || hapd->wps == NULL) 723 return 0; 724 725 if (hapd->ap_pin_failures_consecutive == 0) 726 return 0; 727 728 wpa_printf(MSG_DEBUG, "WPS: Clear consecutive AP PIN failure counter " 729 "- total validation failures %u (%u consecutive)", 730 hapd->ap_pin_failures, hapd->ap_pin_failures_consecutive); 731 hapd->ap_pin_failures_consecutive = 0; 732 733 return 0; 734} 735 736 737static void hostapd_wps_ap_pin_success(struct hostapd_data *hapd) 738{ 739 hostapd_wps_for_each(hapd, wps_ap_pin_success, NULL); 740} 741 742 743static void hostapd_wps_event_pbc_overlap(struct hostapd_data *hapd) 744{ 745 /* Update WPS Status - PBC Overlap */ 746 hapd->wps_stats.pbc_status = WPS_PBC_STATUS_OVERLAP; 747} 748 749 750static void hostapd_wps_event_pbc_timeout(struct hostapd_data *hapd) 751{ 752 /* Update WPS PBC Status:PBC Timeout */ 753 hapd->wps_stats.pbc_status = WPS_PBC_STATUS_TIMEOUT; 754} 755 756 757static void hostapd_wps_event_pbc_active(struct hostapd_data *hapd) 758{ 759 /* Update WPS PBC status - Active */ 760 hapd->wps_stats.pbc_status = WPS_PBC_STATUS_ACTIVE; 761} 762 763 764static void hostapd_wps_event_pbc_disable(struct hostapd_data *hapd) 765{ 766 /* Update WPS PBC status - Active */ 767 hapd->wps_stats.pbc_status = WPS_PBC_STATUS_DISABLE; 768} 769 770 771static void hostapd_wps_event_success(struct hostapd_data *hapd, 772 struct wps_event_success *success) 773{ 774 /* Update WPS status - Success */ 775 hapd->wps_stats.pbc_status = WPS_PBC_STATUS_DISABLE; 776 hapd->wps_stats.status = WPS_STATUS_SUCCESS; 777 os_memcpy(hapd->wps_stats.peer_addr, success->peer_macaddr, ETH_ALEN); 778} 779 780 781static void hostapd_wps_event_fail(struct hostapd_data *hapd, 782 struct wps_event_fail *fail) 783{ 784 /* Update WPS status - Failure */ 785 hapd->wps_stats.status = WPS_STATUS_FAILURE; 786 os_memcpy(hapd->wps_stats.peer_addr, fail->peer_macaddr, ETH_ALEN); 787 788 hapd->wps_stats.failure_reason = fail->error_indication; 789 790 if (fail->error_indication > 0 && 791 fail->error_indication < NUM_WPS_EI_VALUES) { 792 wpa_msg(hapd->msg_ctx, MSG_INFO, 793 WPS_EVENT_FAIL "msg=%d config_error=%d reason=%d (%s)", 794 fail->msg, fail->config_error, fail->error_indication, 795 wps_ei_str(fail->error_indication)); 796 } else { 797 wpa_msg(hapd->msg_ctx, MSG_INFO, 798 WPS_EVENT_FAIL "msg=%d config_error=%d", 799 fail->msg, fail->config_error); 800 } 801} 802 803 804static void hostapd_wps_event_cb(void *ctx, enum wps_event event, 805 union wps_event_data *data) 806{ 807 struct hostapd_data *hapd = ctx; 808 809 switch (event) { 810 case WPS_EV_M2D: 811 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_M2D); 812 break; 813 case WPS_EV_FAIL: 814 hostapd_wps_event_fail(hapd, &data->fail); 815 break; 816 case WPS_EV_SUCCESS: 817 hostapd_wps_event_success(hapd, &data->success); 818 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_SUCCESS); 819 break; 820 case WPS_EV_PWD_AUTH_FAIL: 821 hostapd_pwd_auth_fail(hapd, &data->pwd_auth_fail); 822 break; 823 case WPS_EV_PBC_OVERLAP: 824 hostapd_wps_event_pbc_overlap(hapd); 825 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_OVERLAP); 826 break; 827 case WPS_EV_PBC_TIMEOUT: 828 hostapd_wps_event_pbc_timeout(hapd); 829 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_TIMEOUT); 830 break; 831 case WPS_EV_PBC_ACTIVE: 832 hostapd_wps_event_pbc_active(hapd); 833 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_ACTIVE); 834 break; 835 case WPS_EV_PBC_DISABLE: 836 hostapd_wps_event_pbc_disable(hapd); 837 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_DISABLE); 838 break; 839 case WPS_EV_ER_AP_ADD: 840 break; 841 case WPS_EV_ER_AP_REMOVE: 842 break; 843 case WPS_EV_ER_ENROLLEE_ADD: 844 break; 845 case WPS_EV_ER_ENROLLEE_REMOVE: 846 break; 847 case WPS_EV_ER_AP_SETTINGS: 848 break; 849 case WPS_EV_ER_SET_SELECTED_REGISTRAR: 850 break; 851 case WPS_EV_AP_PIN_SUCCESS: 852 hostapd_wps_ap_pin_success(hapd); 853 break; 854 } 855 if (hapd->wps_event_cb) 856 hapd->wps_event_cb(hapd->wps_event_cb_ctx, event, data); 857} 858 859 860static int hostapd_wps_rf_band_cb(void *ctx) 861{ 862 struct hostapd_data *hapd = ctx; 863 864 return hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211A ? 865 WPS_RF_50GHZ : WPS_RF_24GHZ; /* FIX: dualband AP */ 866} 867 868 869static void hostapd_wps_clear_ies(struct hostapd_data *hapd) 870{ 871 wpabuf_free(hapd->wps_beacon_ie); 872 hapd->wps_beacon_ie = NULL; 873 874 wpabuf_free(hapd->wps_probe_resp_ie); 875 hapd->wps_probe_resp_ie = NULL; 876 877 hostapd_set_ap_wps_ie(hapd); 878} 879 880 881static int get_uuid_cb(struct hostapd_iface *iface, void *ctx) 882{ 883 const u8 **uuid = ctx; 884 size_t j; 885 886 if (iface == NULL) 887 return 0; 888 for (j = 0; j < iface->num_bss; j++) { 889 struct hostapd_data *hapd = iface->bss[j]; 890 if (hapd->wps && !hapd->conf->wps_independent && 891 !is_nil_uuid(hapd->wps->uuid)) { 892 *uuid = hapd->wps->uuid; 893 return 1; 894 } 895 } 896 897 return 0; 898} 899 900 901static const u8 * get_own_uuid(struct hostapd_iface *iface) 902{ 903 const u8 *uuid; 904 if (iface->interfaces == NULL || 905 iface->interfaces->for_each_interface == NULL) 906 return NULL; 907 uuid = NULL; 908 iface->interfaces->for_each_interface(iface->interfaces, get_uuid_cb, 909 &uuid); 910 return uuid; 911} 912 913 914static int count_interface_cb(struct hostapd_iface *iface, void *ctx) 915{ 916 int *count= ctx; 917 (*count)++; 918 return 0; 919} 920 921 922static int interface_count(struct hostapd_iface *iface) 923{ 924 int count = 0; 925 if (iface->interfaces == NULL || 926 iface->interfaces->for_each_interface == NULL) 927 return 0; 928 iface->interfaces->for_each_interface(iface->interfaces, 929 count_interface_cb, &count); 930 return count; 931} 932 933 934static int hostapd_wps_set_vendor_ext(struct hostapd_data *hapd, 935 struct wps_context *wps) 936{ 937 int i; 938 939 for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++) { 940 wpabuf_free(wps->dev.vendor_ext[i]); 941 wps->dev.vendor_ext[i] = NULL; 942 943 if (hapd->conf->wps_vendor_ext[i] == NULL) 944 continue; 945 946 wps->dev.vendor_ext[i] = 947 wpabuf_dup(hapd->conf->wps_vendor_ext[i]); 948 if (wps->dev.vendor_ext[i] == NULL) { 949 while (--i >= 0) 950 wpabuf_free(wps->dev.vendor_ext[i]); 951 return -1; 952 } 953 } 954 955 return 0; 956} 957 958 959int hostapd_init_wps(struct hostapd_data *hapd, 960 struct hostapd_bss_config *conf) 961{ 962 struct wps_context *wps; 963 struct wps_registrar_config cfg; 964 965 if (conf->wps_state == 0) { 966 hostapd_wps_clear_ies(hapd); 967 return 0; 968 } 969 970 wps = os_zalloc(sizeof(*wps)); 971 if (wps == NULL) 972 return -1; 973 974 wps->cred_cb = hostapd_wps_cred_cb; 975 wps->event_cb = hostapd_wps_event_cb; 976 wps->rf_band_cb = hostapd_wps_rf_band_cb; 977 wps->cb_ctx = hapd; 978 979 os_memset(&cfg, 0, sizeof(cfg)); 980 wps->wps_state = hapd->conf->wps_state; 981 wps->ap_setup_locked = hapd->conf->ap_setup_locked; 982 if (is_nil_uuid(hapd->conf->uuid)) { 983 const u8 *uuid; 984 uuid = get_own_uuid(hapd->iface); 985 if (uuid && !conf->wps_independent) { 986 os_memcpy(wps->uuid, uuid, UUID_LEN); 987 wpa_hexdump(MSG_DEBUG, "WPS: Clone UUID from another " 988 "interface", wps->uuid, UUID_LEN); 989 } else { 990 uuid_gen_mac_addr(hapd->own_addr, wps->uuid); 991 wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC " 992 "address", wps->uuid, UUID_LEN); 993 } 994 } else { 995 os_memcpy(wps->uuid, hapd->conf->uuid, UUID_LEN); 996 wpa_hexdump(MSG_DEBUG, "WPS: Use configured UUID", 997 wps->uuid, UUID_LEN); 998 } 999 wps->ssid_len = hapd->conf->ssid.ssid_len; 1000 os_memcpy(wps->ssid, hapd->conf->ssid.ssid, wps->ssid_len); 1001 wps->ap = 1; 1002 os_memcpy(wps->dev.mac_addr, hapd->own_addr, ETH_ALEN); 1003 wps->dev.device_name = hapd->conf->device_name ? 1004 os_strdup(hapd->conf->device_name) : NULL; 1005 wps->dev.manufacturer = hapd->conf->manufacturer ? 1006 os_strdup(hapd->conf->manufacturer) : NULL; 1007 wps->dev.model_name = hapd->conf->model_name ? 1008 os_strdup(hapd->conf->model_name) : NULL; 1009 wps->dev.model_number = hapd->conf->model_number ? 1010 os_strdup(hapd->conf->model_number) : NULL; 1011 wps->dev.serial_number = hapd->conf->serial_number ? 1012 os_strdup(hapd->conf->serial_number) : NULL; 1013 wps->config_methods = 1014 wps_config_methods_str2bin(hapd->conf->config_methods); 1015#ifdef CONFIG_WPS2 1016 if ((wps->config_methods & 1017 (WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY | 1018 WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) { 1019 wpa_printf(MSG_INFO, "WPS: Converting display to " 1020 "virtual_display for WPS 2.0 compliance"); 1021 wps->config_methods |= WPS_CONFIG_VIRT_DISPLAY; 1022 } 1023 if ((wps->config_methods & 1024 (WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_VIRT_PUSHBUTTON | 1025 WPS_CONFIG_PHY_PUSHBUTTON)) == WPS_CONFIG_PUSHBUTTON) { 1026 wpa_printf(MSG_INFO, "WPS: Converting push_button to " 1027 "virtual_push_button for WPS 2.0 compliance"); 1028 wps->config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON; 1029 } 1030#endif /* CONFIG_WPS2 */ 1031 os_memcpy(wps->dev.pri_dev_type, hapd->conf->device_type, 1032 WPS_DEV_TYPE_LEN); 1033 1034 if (hostapd_wps_set_vendor_ext(hapd, wps) < 0) { 1035 os_free(wps); 1036 return -1; 1037 } 1038 1039 wps->dev.os_version = WPA_GET_BE32(hapd->conf->os_version); 1040 1041 if (conf->wps_rf_bands) { 1042 wps->dev.rf_bands = conf->wps_rf_bands; 1043 } else { 1044 wps->dev.rf_bands = 1045 hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211A ? 1046 WPS_RF_50GHZ : WPS_RF_24GHZ; /* FIX: dualband AP */ 1047 } 1048 1049 if (conf->wpa & WPA_PROTO_RSN) { 1050 if (conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK) 1051 wps->auth_types |= WPS_AUTH_WPA2PSK; 1052 if (conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X) 1053 wps->auth_types |= WPS_AUTH_WPA2; 1054 1055 if (conf->rsn_pairwise & WPA_CIPHER_CCMP) 1056 wps->encr_types |= WPS_ENCR_AES; 1057 if (conf->rsn_pairwise & WPA_CIPHER_TKIP) 1058 wps->encr_types |= WPS_ENCR_TKIP; 1059 } 1060 1061 if (conf->wpa & WPA_PROTO_WPA) { 1062 if (conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK) 1063 wps->auth_types |= WPS_AUTH_WPAPSK; 1064 if (conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X) 1065 wps->auth_types |= WPS_AUTH_WPA; 1066 1067 if (conf->wpa_pairwise & WPA_CIPHER_CCMP) 1068 wps->encr_types |= WPS_ENCR_AES; 1069 if (conf->wpa_pairwise & WPA_CIPHER_TKIP) 1070 wps->encr_types |= WPS_ENCR_TKIP; 1071 } 1072 1073 if (conf->ssid.security_policy == SECURITY_PLAINTEXT) { 1074 wps->encr_types |= WPS_ENCR_NONE; 1075 wps->auth_types |= WPS_AUTH_OPEN; 1076 } else if (conf->ssid.security_policy == SECURITY_STATIC_WEP) { 1077 wps->encr_types |= WPS_ENCR_WEP; 1078 if (conf->auth_algs & WPA_AUTH_ALG_OPEN) 1079 wps->auth_types |= WPS_AUTH_OPEN; 1080 if (conf->auth_algs & WPA_AUTH_ALG_SHARED) 1081 wps->auth_types |= WPS_AUTH_SHARED; 1082 } else if (conf->ssid.security_policy == SECURITY_IEEE_802_1X) { 1083 wps->auth_types |= WPS_AUTH_OPEN; 1084 if (conf->default_wep_key_len) 1085 wps->encr_types |= WPS_ENCR_WEP; 1086 else 1087 wps->encr_types |= WPS_ENCR_NONE; 1088 } 1089 1090 if (conf->ssid.wpa_psk_file) { 1091 /* Use per-device PSKs */ 1092 } else if (conf->ssid.wpa_passphrase) { 1093 wps->network_key = (u8 *) os_strdup(conf->ssid.wpa_passphrase); 1094 wps->network_key_len = os_strlen(conf->ssid.wpa_passphrase); 1095 } else if (conf->ssid.wpa_psk) { 1096 wps->network_key = os_malloc(2 * PMK_LEN + 1); 1097 if (wps->network_key == NULL) { 1098 os_free(wps); 1099 return -1; 1100 } 1101 wpa_snprintf_hex((char *) wps->network_key, 2 * PMK_LEN + 1, 1102 conf->ssid.wpa_psk->psk, PMK_LEN); 1103 wps->network_key_len = 2 * PMK_LEN; 1104 } else if (conf->ssid.wep.keys_set && conf->ssid.wep.key[0]) { 1105 wps->network_key = os_malloc(conf->ssid.wep.len[0]); 1106 if (wps->network_key == NULL) { 1107 os_free(wps); 1108 return -1; 1109 } 1110 os_memcpy(wps->network_key, conf->ssid.wep.key[0], 1111 conf->ssid.wep.len[0]); 1112 wps->network_key_len = conf->ssid.wep.len[0]; 1113 } 1114 1115 if (conf->ssid.wpa_psk) { 1116 os_memcpy(wps->psk, conf->ssid.wpa_psk->psk, PMK_LEN); 1117 wps->psk_set = 1; 1118 } 1119 1120 if (conf->wps_state == WPS_STATE_NOT_CONFIGURED) { 1121 /* Override parameters to enable security by default */ 1122 wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK; 1123 wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP; 1124 } 1125 1126 wps->ap_settings = conf->ap_settings; 1127 wps->ap_settings_len = conf->ap_settings_len; 1128 1129 cfg.new_psk_cb = hostapd_wps_new_psk_cb; 1130 cfg.set_ie_cb = hostapd_wps_set_ie_cb; 1131 cfg.pin_needed_cb = hostapd_wps_pin_needed_cb; 1132 cfg.reg_success_cb = hostapd_wps_reg_success_cb; 1133 cfg.enrollee_seen_cb = hostapd_wps_enrollee_seen_cb; 1134 cfg.cb_ctx = hapd; 1135 cfg.skip_cred_build = conf->skip_cred_build; 1136 cfg.extra_cred = conf->extra_cred; 1137 cfg.extra_cred_len = conf->extra_cred_len; 1138 cfg.disable_auto_conf = (hapd->conf->wps_cred_processing == 1) && 1139 conf->skip_cred_build; 1140 if (conf->ssid.security_policy == SECURITY_STATIC_WEP) 1141 cfg.static_wep_only = 1; 1142 cfg.dualband = interface_count(hapd->iface) > 1; 1143 if ((wps->dev.rf_bands & (WPS_RF_50GHZ | WPS_RF_24GHZ)) == 1144 (WPS_RF_50GHZ | WPS_RF_24GHZ)) 1145 cfg.dualband = 1; 1146 if (cfg.dualband) 1147 wpa_printf(MSG_DEBUG, "WPS: Dualband AP"); 1148 1149 wps->registrar = wps_registrar_init(wps, &cfg); 1150 if (wps->registrar == NULL) { 1151 wpa_printf(MSG_ERROR, "Failed to initialize WPS Registrar"); 1152 os_free(wps->network_key); 1153 os_free(wps); 1154 return -1; 1155 } 1156 1157#ifdef CONFIG_WPS_UPNP 1158 wps->friendly_name = hapd->conf->friendly_name; 1159 wps->manufacturer_url = hapd->conf->manufacturer_url; 1160 wps->model_description = hapd->conf->model_description; 1161 wps->model_url = hapd->conf->model_url; 1162 wps->upc = hapd->conf->upc; 1163#endif /* CONFIG_WPS_UPNP */ 1164 1165 hostapd_register_probereq_cb(hapd, hostapd_wps_probe_req_rx, hapd); 1166 1167 hapd->wps = wps; 1168 1169 return 0; 1170} 1171 1172 1173int hostapd_init_wps_complete(struct hostapd_data *hapd) 1174{ 1175 struct wps_context *wps = hapd->wps; 1176 1177 if (wps == NULL) 1178 return 0; 1179 1180#ifdef CONFIG_WPS_UPNP 1181 if (hostapd_wps_upnp_init(hapd, wps) < 0) { 1182 wpa_printf(MSG_ERROR, "Failed to initialize WPS UPnP"); 1183 wps_registrar_deinit(wps->registrar); 1184 os_free(wps->network_key); 1185 os_free(wps); 1186 hapd->wps = NULL; 1187 return -1; 1188 } 1189#endif /* CONFIG_WPS_UPNP */ 1190 1191 return 0; 1192} 1193 1194 1195static void hostapd_wps_nfc_clear(struct wps_context *wps) 1196{ 1197#ifdef CONFIG_WPS_NFC 1198 wps->ap_nfc_dev_pw_id = 0; 1199 wpabuf_free(wps->ap_nfc_dh_pubkey); 1200 wps->ap_nfc_dh_pubkey = NULL; 1201 wpabuf_free(wps->ap_nfc_dh_privkey); 1202 wps->ap_nfc_dh_privkey = NULL; 1203 wpabuf_free(wps->ap_nfc_dev_pw); 1204 wps->ap_nfc_dev_pw = NULL; 1205#endif /* CONFIG_WPS_NFC */ 1206} 1207 1208 1209void hostapd_deinit_wps(struct hostapd_data *hapd) 1210{ 1211 eloop_cancel_timeout(hostapd_wps_reenable_ap_pin, hapd, NULL); 1212 eloop_cancel_timeout(hostapd_wps_ap_pin_timeout, hapd, NULL); 1213 if (hapd->wps == NULL) 1214 return; 1215#ifdef CONFIG_WPS_UPNP 1216 hostapd_wps_upnp_deinit(hapd); 1217#endif /* CONFIG_WPS_UPNP */ 1218 wps_registrar_deinit(hapd->wps->registrar); 1219 os_free(hapd->wps->network_key); 1220 wps_device_data_free(&hapd->wps->dev); 1221 wpabuf_free(hapd->wps->dh_pubkey); 1222 wpabuf_free(hapd->wps->dh_privkey); 1223 wps_free_pending_msgs(hapd->wps->upnp_msgs); 1224 hostapd_wps_nfc_clear(hapd->wps); 1225 os_free(hapd->wps); 1226 hapd->wps = NULL; 1227 hostapd_wps_clear_ies(hapd); 1228} 1229 1230 1231void hostapd_update_wps(struct hostapd_data *hapd) 1232{ 1233 if (hapd->wps == NULL) 1234 return; 1235 1236#ifdef CONFIG_WPS_UPNP 1237 hapd->wps->friendly_name = hapd->conf->friendly_name; 1238 hapd->wps->manufacturer_url = hapd->conf->manufacturer_url; 1239 hapd->wps->model_description = hapd->conf->model_description; 1240 hapd->wps->model_url = hapd->conf->model_url; 1241 hapd->wps->upc = hapd->conf->upc; 1242#endif /* CONFIG_WPS_UPNP */ 1243 1244 hostapd_wps_set_vendor_ext(hapd, hapd->wps); 1245 1246 if (hapd->conf->wps_state) 1247 wps_registrar_update_ie(hapd->wps->registrar); 1248 else 1249 hostapd_deinit_wps(hapd); 1250} 1251 1252 1253struct wps_add_pin_data { 1254 const u8 *addr; 1255 const u8 *uuid; 1256 const u8 *pin; 1257 size_t pin_len; 1258 int timeout; 1259 int added; 1260}; 1261 1262 1263static int wps_add_pin(struct hostapd_data *hapd, void *ctx) 1264{ 1265 struct wps_add_pin_data *data = ctx; 1266 int ret; 1267 1268 if (hapd->wps == NULL) 1269 return 0; 1270 ret = wps_registrar_add_pin(hapd->wps->registrar, data->addr, 1271 data->uuid, data->pin, data->pin_len, 1272 data->timeout); 1273 if (ret == 0) 1274 data->added++; 1275 return ret; 1276} 1277 1278 1279int hostapd_wps_add_pin(struct hostapd_data *hapd, const u8 *addr, 1280 const char *uuid, const char *pin, int timeout) 1281{ 1282 u8 u[UUID_LEN]; 1283 struct wps_add_pin_data data; 1284 1285 data.addr = addr; 1286 data.uuid = u; 1287 data.pin = (const u8 *) pin; 1288 data.pin_len = os_strlen(pin); 1289 data.timeout = timeout; 1290 data.added = 0; 1291 1292 if (os_strcmp(uuid, "any") == 0) 1293 data.uuid = NULL; 1294 else { 1295 if (uuid_str2bin(uuid, u)) 1296 return -1; 1297 data.uuid = u; 1298 } 1299 if (hostapd_wps_for_each(hapd, wps_add_pin, &data) < 0) 1300 return -1; 1301 return data.added ? 0 : -1; 1302} 1303 1304 1305static int wps_button_pushed(struct hostapd_data *hapd, void *ctx) 1306{ 1307 const u8 *p2p_dev_addr = ctx; 1308 if (hapd->wps == NULL) 1309 return 0; 1310 return wps_registrar_button_pushed(hapd->wps->registrar, p2p_dev_addr); 1311} 1312 1313 1314int hostapd_wps_button_pushed(struct hostapd_data *hapd, 1315 const u8 *p2p_dev_addr) 1316{ 1317 return hostapd_wps_for_each(hapd, wps_button_pushed, 1318 (void *) p2p_dev_addr); 1319} 1320 1321 1322static int wps_cancel(struct hostapd_data *hapd, void *ctx) 1323{ 1324 if (hapd->wps == NULL) 1325 return 0; 1326 1327 wps_registrar_wps_cancel(hapd->wps->registrar); 1328 ap_for_each_sta(hapd, ap_sta_wps_cancel, NULL); 1329 1330 return 0; 1331} 1332 1333 1334int hostapd_wps_cancel(struct hostapd_data *hapd) 1335{ 1336 return hostapd_wps_for_each(hapd, wps_cancel, NULL); 1337} 1338 1339 1340static int hostapd_wps_probe_req_rx(void *ctx, const u8 *addr, const u8 *da, 1341 const u8 *bssid, 1342 const u8 *ie, size_t ie_len, 1343 int ssi_signal) 1344{ 1345 struct hostapd_data *hapd = ctx; 1346 struct wpabuf *wps_ie; 1347 struct ieee802_11_elems elems; 1348 1349 if (hapd->wps == NULL) 1350 return 0; 1351 1352 if (ieee802_11_parse_elems(ie, ie_len, &elems, 0) == ParseFailed) { 1353 wpa_printf(MSG_DEBUG, "WPS: Could not parse ProbeReq from " 1354 MACSTR, MAC2STR(addr)); 1355 return 0; 1356 } 1357 1358 if (elems.ssid && elems.ssid_len > 0 && 1359 (elems.ssid_len != hapd->conf->ssid.ssid_len || 1360 os_memcmp(elems.ssid, hapd->conf->ssid.ssid, elems.ssid_len) != 1361 0)) 1362 return 0; /* Not for us */ 1363 1364 wps_ie = ieee802_11_vendor_ie_concat(ie, ie_len, WPS_DEV_OUI_WFA); 1365 if (wps_ie == NULL) 1366 return 0; 1367 if (wps_validate_probe_req(wps_ie, addr) < 0) { 1368 wpabuf_free(wps_ie); 1369 return 0; 1370 } 1371 1372 if (wpabuf_len(wps_ie) > 0) { 1373 int p2p_wildcard = 0; 1374#ifdef CONFIG_P2P 1375 if (elems.ssid && elems.ssid_len == P2P_WILDCARD_SSID_LEN && 1376 os_memcmp(elems.ssid, P2P_WILDCARD_SSID, 1377 P2P_WILDCARD_SSID_LEN) == 0) 1378 p2p_wildcard = 1; 1379#endif /* CONFIG_P2P */ 1380 wps_registrar_probe_req_rx(hapd->wps->registrar, addr, wps_ie, 1381 p2p_wildcard); 1382#ifdef CONFIG_WPS_UPNP 1383 /* FIX: what exactly should be included in the WLANEvent? 1384 * WPS attributes? Full ProbeReq frame? */ 1385 if (!p2p_wildcard) 1386 upnp_wps_device_send_wlan_event( 1387 hapd->wps_upnp, addr, 1388 UPNP_WPS_WLANEVENT_TYPE_PROBE, wps_ie); 1389#endif /* CONFIG_WPS_UPNP */ 1390 } 1391 1392 wpabuf_free(wps_ie); 1393 1394 return 0; 1395} 1396 1397 1398#ifdef CONFIG_WPS_UPNP 1399 1400static int hostapd_rx_req_put_wlan_response( 1401 void *priv, enum upnp_wps_wlanevent_type ev_type, 1402 const u8 *mac_addr, const struct wpabuf *msg, 1403 enum wps_msg_type msg_type) 1404{ 1405 struct hostapd_data *hapd = priv; 1406 struct sta_info *sta; 1407 struct upnp_pending_message *p; 1408 1409 wpa_printf(MSG_DEBUG, "WPS UPnP: PutWLANResponse ev_type=%d mac_addr=" 1410 MACSTR, ev_type, MAC2STR(mac_addr)); 1411 wpa_hexdump(MSG_MSGDUMP, "WPS UPnP: PutWLANResponse NewMessage", 1412 wpabuf_head(msg), wpabuf_len(msg)); 1413 if (ev_type != UPNP_WPS_WLANEVENT_TYPE_EAP) { 1414 wpa_printf(MSG_DEBUG, "WPS UPnP: Ignored unexpected " 1415 "PutWLANResponse WLANEventType %d", ev_type); 1416 return -1; 1417 } 1418 1419 /* 1420 * EAP response to ongoing to WPS Registration. Send it to EAP-WSC 1421 * server implementation for delivery to the peer. 1422 */ 1423 1424 sta = ap_get_sta(hapd, mac_addr); 1425#ifndef CONFIG_WPS_STRICT 1426 if (!sta) { 1427 /* 1428 * Workaround - Intel wsccmd uses bogus NewWLANEventMAC: 1429 * Pick STA that is in an ongoing WPS registration without 1430 * checking the MAC address. 1431 */ 1432 wpa_printf(MSG_DEBUG, "WPS UPnP: No matching STA found based " 1433 "on NewWLANEventMAC; try wildcard match"); 1434 for (sta = hapd->sta_list; sta; sta = sta->next) { 1435 if (sta->eapol_sm && (sta->flags & WLAN_STA_WPS)) 1436 break; 1437 } 1438 } 1439#endif /* CONFIG_WPS_STRICT */ 1440 1441 if (!sta || !(sta->flags & WLAN_STA_WPS)) { 1442 wpa_printf(MSG_DEBUG, "WPS UPnP: No matching STA found"); 1443 return 0; 1444 } 1445 1446 p = os_zalloc(sizeof(*p)); 1447 if (p == NULL) 1448 return -1; 1449 os_memcpy(p->addr, sta->addr, ETH_ALEN); 1450 p->msg = wpabuf_dup(msg); 1451 p->type = msg_type; 1452 p->next = hapd->wps->upnp_msgs; 1453 hapd->wps->upnp_msgs = p; 1454 1455 return eapol_auth_eap_pending_cb(sta->eapol_sm, sta->eapol_sm->eap); 1456} 1457 1458 1459static int hostapd_wps_upnp_init(struct hostapd_data *hapd, 1460 struct wps_context *wps) 1461{ 1462 struct upnp_wps_device_ctx *ctx; 1463 1464 if (!hapd->conf->upnp_iface) 1465 return 0; 1466 ctx = os_zalloc(sizeof(*ctx)); 1467 if (ctx == NULL) 1468 return -1; 1469 1470 ctx->rx_req_put_wlan_response = hostapd_rx_req_put_wlan_response; 1471 if (hapd->conf->ap_pin) 1472 ctx->ap_pin = os_strdup(hapd->conf->ap_pin); 1473 1474 hapd->wps_upnp = upnp_wps_device_init(ctx, wps, hapd, 1475 hapd->conf->upnp_iface); 1476 if (hapd->wps_upnp == NULL) 1477 return -1; 1478 wps->wps_upnp = hapd->wps_upnp; 1479 1480 return 0; 1481} 1482 1483 1484static void hostapd_wps_upnp_deinit(struct hostapd_data *hapd) 1485{ 1486 upnp_wps_device_deinit(hapd->wps_upnp, hapd); 1487} 1488 1489#endif /* CONFIG_WPS_UPNP */ 1490 1491 1492int hostapd_wps_get_mib_sta(struct hostapd_data *hapd, const u8 *addr, 1493 char *buf, size_t buflen) 1494{ 1495 if (hapd->wps == NULL) 1496 return 0; 1497 return wps_registrar_get_info(hapd->wps->registrar, addr, buf, buflen); 1498} 1499 1500 1501static void hostapd_wps_ap_pin_timeout(void *eloop_data, void *user_ctx) 1502{ 1503 struct hostapd_data *hapd = eloop_data; 1504 wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out"); 1505 hostapd_wps_ap_pin_disable(hapd); 1506 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_PIN_DISABLED); 1507} 1508 1509 1510static void hostapd_wps_ap_pin_enable(struct hostapd_data *hapd, int timeout) 1511{ 1512 wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout); 1513 hapd->ap_pin_failures = 0; 1514 hapd->ap_pin_failures_consecutive = 0; 1515 hapd->conf->ap_setup_locked = 0; 1516 if (hapd->wps->ap_setup_locked) { 1517 wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_SETUP_UNLOCKED); 1518 hapd->wps->ap_setup_locked = 0; 1519 wps_registrar_update_ie(hapd->wps->registrar); 1520 } 1521 eloop_cancel_timeout(hostapd_wps_ap_pin_timeout, hapd, NULL); 1522 if (timeout > 0) 1523 eloop_register_timeout(timeout, 0, 1524 hostapd_wps_ap_pin_timeout, hapd, NULL); 1525} 1526 1527 1528static int wps_ap_pin_disable(struct hostapd_data *hapd, void *ctx) 1529{ 1530 os_free(hapd->conf->ap_pin); 1531 hapd->conf->ap_pin = NULL; 1532#ifdef CONFIG_WPS_UPNP 1533 upnp_wps_set_ap_pin(hapd->wps_upnp, NULL); 1534#endif /* CONFIG_WPS_UPNP */ 1535 eloop_cancel_timeout(hostapd_wps_ap_pin_timeout, hapd, NULL); 1536 return 0; 1537} 1538 1539 1540void hostapd_wps_ap_pin_disable(struct hostapd_data *hapd) 1541{ 1542 wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN"); 1543 hostapd_wps_for_each(hapd, wps_ap_pin_disable, NULL); 1544} 1545 1546 1547struct wps_ap_pin_data { 1548 char pin_txt[9]; 1549 int timeout; 1550}; 1551 1552 1553static int wps_ap_pin_set(struct hostapd_data *hapd, void *ctx) 1554{ 1555 struct wps_ap_pin_data *data = ctx; 1556 os_free(hapd->conf->ap_pin); 1557 hapd->conf->ap_pin = os_strdup(data->pin_txt); 1558#ifdef CONFIG_WPS_UPNP 1559 upnp_wps_set_ap_pin(hapd->wps_upnp, data->pin_txt); 1560#endif /* CONFIG_WPS_UPNP */ 1561 hostapd_wps_ap_pin_enable(hapd, data->timeout); 1562 return 0; 1563} 1564 1565 1566const char * hostapd_wps_ap_pin_random(struct hostapd_data *hapd, int timeout) 1567{ 1568 unsigned int pin; 1569 struct wps_ap_pin_data data; 1570 1571 pin = wps_generate_pin(); 1572 os_snprintf(data.pin_txt, sizeof(data.pin_txt), "%08u", pin); 1573 data.timeout = timeout; 1574 hostapd_wps_for_each(hapd, wps_ap_pin_set, &data); 1575 return hapd->conf->ap_pin; 1576} 1577 1578 1579const char * hostapd_wps_ap_pin_get(struct hostapd_data *hapd) 1580{ 1581 return hapd->conf->ap_pin; 1582} 1583 1584 1585int hostapd_wps_ap_pin_set(struct hostapd_data *hapd, const char *pin, 1586 int timeout) 1587{ 1588 struct wps_ap_pin_data data; 1589 int ret; 1590 1591 ret = os_snprintf(data.pin_txt, sizeof(data.pin_txt), "%s", pin); 1592 if (ret < 0 || ret >= (int) sizeof(data.pin_txt)) 1593 return -1; 1594 data.timeout = timeout; 1595 return hostapd_wps_for_each(hapd, wps_ap_pin_set, &data); 1596} 1597 1598 1599static int wps_update_ie(struct hostapd_data *hapd, void *ctx) 1600{ 1601 if (hapd->wps) 1602 wps_registrar_update_ie(hapd->wps->registrar); 1603 return 0; 1604} 1605 1606 1607void hostapd_wps_update_ie(struct hostapd_data *hapd) 1608{ 1609 hostapd_wps_for_each(hapd, wps_update_ie, NULL); 1610} 1611 1612 1613int hostapd_wps_config_ap(struct hostapd_data *hapd, const char *ssid, 1614 const char *auth, const char *encr, const char *key) 1615{ 1616 struct wps_credential cred; 1617 size_t len; 1618 1619 os_memset(&cred, 0, sizeof(cred)); 1620 1621 len = os_strlen(ssid); 1622 if ((len & 1) || len > 2 * sizeof(cred.ssid) || 1623 hexstr2bin(ssid, cred.ssid, len / 2)) 1624 return -1; 1625 cred.ssid_len = len / 2; 1626 1627 if (os_strncmp(auth, "OPEN", 4) == 0) 1628 cred.auth_type = WPS_AUTH_OPEN; 1629 else if (os_strncmp(auth, "WPAPSK", 6) == 0) 1630 cred.auth_type = WPS_AUTH_WPAPSK; 1631 else if (os_strncmp(auth, "WPA2PSK", 7) == 0) 1632 cred.auth_type = WPS_AUTH_WPA2PSK; 1633 else 1634 return -1; 1635 1636 if (encr) { 1637 if (os_strncmp(encr, "NONE", 4) == 0) 1638 cred.encr_type = WPS_ENCR_NONE; 1639 else if (os_strncmp(encr, "WEP", 3) == 0) 1640 cred.encr_type = WPS_ENCR_WEP; 1641 else if (os_strncmp(encr, "TKIP", 4) == 0) 1642 cred.encr_type = WPS_ENCR_TKIP; 1643 else if (os_strncmp(encr, "CCMP", 4) == 0) 1644 cred.encr_type = WPS_ENCR_AES; 1645 else 1646 return -1; 1647 } else 1648 cred.encr_type = WPS_ENCR_NONE; 1649 1650 if (key) { 1651 len = os_strlen(key); 1652 if ((len & 1) || len > 2 * sizeof(cred.key) || 1653 hexstr2bin(key, cred.key, len / 2)) 1654 return -1; 1655 cred.key_len = len / 2; 1656 } 1657 1658 return wps_registrar_config_ap(hapd->wps->registrar, &cred); 1659} 1660 1661 1662#ifdef CONFIG_WPS_NFC 1663 1664struct wps_nfc_password_token_data { 1665 const u8 *oob_dev_pw; 1666 size_t oob_dev_pw_len; 1667 int added; 1668}; 1669 1670 1671static int wps_add_nfc_password_token(struct hostapd_data *hapd, void *ctx) 1672{ 1673 struct wps_nfc_password_token_data *data = ctx; 1674 int ret; 1675 1676 if (hapd->wps == NULL) 1677 return 0; 1678 ret = wps_registrar_add_nfc_password_token(hapd->wps->registrar, 1679 data->oob_dev_pw, 1680 data->oob_dev_pw_len); 1681 if (ret == 0) 1682 data->added++; 1683 return ret; 1684} 1685 1686 1687static int hostapd_wps_add_nfc_password_token(struct hostapd_data *hapd, 1688 struct wps_parse_attr *attr) 1689{ 1690 struct wps_nfc_password_token_data data; 1691 1692 data.oob_dev_pw = attr->oob_dev_password; 1693 data.oob_dev_pw_len = attr->oob_dev_password_len; 1694 data.added = 0; 1695 if (hostapd_wps_for_each(hapd, wps_add_nfc_password_token, &data) < 0) 1696 return -1; 1697 return data.added ? 0 : -1; 1698} 1699 1700 1701static int hostapd_wps_nfc_tag_process(struct hostapd_data *hapd, 1702 const struct wpabuf *wps) 1703{ 1704 struct wps_parse_attr attr; 1705 1706 wpa_hexdump_buf(MSG_DEBUG, "WPS: Received NFC tag payload", wps); 1707 1708 if (wps_parse_msg(wps, &attr)) { 1709 wpa_printf(MSG_DEBUG, "WPS: Ignore invalid data from NFC tag"); 1710 return -1; 1711 } 1712 1713 if (attr.oob_dev_password) 1714 return hostapd_wps_add_nfc_password_token(hapd, &attr); 1715 1716 wpa_printf(MSG_DEBUG, "WPS: Ignore unrecognized NFC tag"); 1717 return -1; 1718} 1719 1720 1721int hostapd_wps_nfc_tag_read(struct hostapd_data *hapd, 1722 const struct wpabuf *data) 1723{ 1724 const struct wpabuf *wps = data; 1725 struct wpabuf *tmp = NULL; 1726 int ret; 1727 1728 if (wpabuf_len(data) < 4) 1729 return -1; 1730 1731 if (*wpabuf_head_u8(data) != 0x10) { 1732 /* Assume this contains full NDEF record */ 1733 tmp = ndef_parse_wifi(data); 1734 if (tmp == NULL) { 1735 wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF"); 1736 return -1; 1737 } 1738 wps = tmp; 1739 } 1740 1741 ret = hostapd_wps_nfc_tag_process(hapd, wps); 1742 wpabuf_free(tmp); 1743 return ret; 1744} 1745 1746 1747struct wpabuf * hostapd_wps_nfc_config_token(struct hostapd_data *hapd, 1748 int ndef) 1749{ 1750 struct wpabuf *ret; 1751 1752 if (hapd->wps == NULL) 1753 return NULL; 1754 1755 ret = wps_get_oob_cred(hapd->wps); 1756 if (ndef && ret) { 1757 struct wpabuf *tmp; 1758 tmp = ndef_build_wifi(ret); 1759 wpabuf_free(ret); 1760 if (tmp == NULL) 1761 return NULL; 1762 ret = tmp; 1763 } 1764 1765 return ret; 1766} 1767 1768 1769struct wpabuf * hostapd_wps_nfc_hs_cr(struct hostapd_data *hapd, int ndef) 1770{ 1771 /* 1772 * Handover Select carrier record for WPS uses the same format as 1773 * configuration token. 1774 */ 1775 return hostapd_wps_nfc_config_token(hapd, ndef); 1776} 1777 1778 1779struct wpabuf * hostapd_wps_nfc_token_gen(struct hostapd_data *hapd, int ndef) 1780{ 1781 if (hapd->conf->wps_nfc_pw_from_config) { 1782 return wps_nfc_token_build(ndef, 1783 hapd->conf->wps_nfc_dev_pw_id, 1784 hapd->conf->wps_nfc_dh_pubkey, 1785 hapd->conf->wps_nfc_dev_pw); 1786 } 1787 1788 return wps_nfc_token_gen(ndef, &hapd->conf->wps_nfc_dev_pw_id, 1789 &hapd->conf->wps_nfc_dh_pubkey, 1790 &hapd->conf->wps_nfc_dh_privkey, 1791 &hapd->conf->wps_nfc_dev_pw); 1792} 1793 1794 1795int hostapd_wps_nfc_token_enable(struct hostapd_data *hapd) 1796{ 1797 struct wps_context *wps = hapd->wps; 1798 struct wpabuf *pw; 1799 1800 if (wps == NULL) 1801 return -1; 1802 1803 if (!hapd->conf->wps_nfc_dh_pubkey || 1804 !hapd->conf->wps_nfc_dh_privkey || 1805 !hapd->conf->wps_nfc_dev_pw || 1806 !hapd->conf->wps_nfc_dev_pw_id) 1807 return -1; 1808 1809 hostapd_wps_nfc_clear(wps); 1810 wps->ap_nfc_dev_pw_id = hapd->conf->wps_nfc_dev_pw_id; 1811 wps->ap_nfc_dh_pubkey = wpabuf_dup(hapd->conf->wps_nfc_dh_pubkey); 1812 wps->ap_nfc_dh_privkey = wpabuf_dup(hapd->conf->wps_nfc_dh_privkey); 1813 pw = hapd->conf->wps_nfc_dev_pw; 1814 wps->ap_nfc_dev_pw = wpabuf_alloc( 1815 wpabuf_len(pw) * 2 + 1); 1816 if (wps->ap_nfc_dev_pw) { 1817 wpa_snprintf_hex_uppercase( 1818 (char *) wpabuf_put(wps->ap_nfc_dev_pw, 1819 wpabuf_len(pw) * 2), 1820 wpabuf_len(pw) * 2 + 1, 1821 wpabuf_head(pw), wpabuf_len(pw)); 1822 } 1823 1824 if (!wps->ap_nfc_dh_pubkey || !wps->ap_nfc_dh_privkey || 1825 !wps->ap_nfc_dev_pw) { 1826 hostapd_wps_nfc_clear(wps); 1827 return -1; 1828 } 1829 1830 return 0; 1831} 1832 1833 1834void hostapd_wps_nfc_token_disable(struct hostapd_data *hapd) 1835{ 1836 hostapd_wps_nfc_clear(hapd->wps); 1837} 1838 1839#endif /* CONFIG_WPS_NFC */ 1840