139beb93cSSam Leffler /* 239beb93cSSam Leffler * wpa_supplicant / WPS integration 3*e28a4053SRui Paulo * Copyright (c) 2008-2010, Jouni Malinen <j@w1.fi> 439beb93cSSam Leffler * 539beb93cSSam Leffler * This program is free software; you can redistribute it and/or modify 639beb93cSSam Leffler * it under the terms of the GNU General Public License version 2 as 739beb93cSSam Leffler * published by the Free Software Foundation. 839beb93cSSam Leffler * 939beb93cSSam Leffler * Alternatively, this software may be distributed under the terms of BSD 1039beb93cSSam Leffler * license. 1139beb93cSSam Leffler * 1239beb93cSSam Leffler * See README and COPYING for more details. 1339beb93cSSam Leffler */ 1439beb93cSSam Leffler 1539beb93cSSam Leffler #include "includes.h" 1639beb93cSSam Leffler 1739beb93cSSam Leffler #include "common.h" 1839beb93cSSam Leffler #include "eloop.h" 1939beb93cSSam Leffler #include "uuid.h" 20*e28a4053SRui Paulo #include "crypto/dh_group5.h" 21*e28a4053SRui Paulo #include "common/ieee802_11_defs.h" 22*e28a4053SRui Paulo #include "common/ieee802_11_common.h" 23*e28a4053SRui Paulo #include "common/wpa_common.h" 24*e28a4053SRui Paulo #include "common/wpa_ctrl.h" 2539beb93cSSam Leffler #include "eap_common/eap_wsc_common.h" 26*e28a4053SRui Paulo #include "eap_peer/eap.h" 27*e28a4053SRui Paulo #include "rsn_supp/wpa.h" 28*e28a4053SRui Paulo #include "config.h" 29*e28a4053SRui Paulo #include "wpa_supplicant_i.h" 30*e28a4053SRui Paulo #include "driver_i.h" 31*e28a4053SRui Paulo #include "notify.h" 3239beb93cSSam Leffler #include "blacklist.h" 33*e28a4053SRui Paulo #include "bss.h" 34*e28a4053SRui Paulo #include "scan.h" 3539beb93cSSam Leffler #include "wps_supplicant.h" 3639beb93cSSam Leffler 373157ba21SRui Paulo 3839beb93cSSam Leffler #define WPS_PIN_SCAN_IGNORE_SEL_REG 3 3939beb93cSSam Leffler 4039beb93cSSam Leffler static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx); 4139beb93cSSam Leffler static void wpas_clear_wps(struct wpa_supplicant *wpa_s); 4239beb93cSSam Leffler 4339beb93cSSam Leffler 4439beb93cSSam Leffler int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s) 4539beb93cSSam Leffler { 4639beb93cSSam Leffler if (!wpa_s->wps_success && 4739beb93cSSam Leffler wpa_s->current_ssid && 4839beb93cSSam Leffler eap_is_wps_pin_enrollee(&wpa_s->current_ssid->eap)) { 4939beb93cSSam Leffler const u8 *bssid = wpa_s->bssid; 5039beb93cSSam Leffler if (is_zero_ether_addr(bssid)) 5139beb93cSSam Leffler bssid = wpa_s->pending_bssid; 5239beb93cSSam Leffler 5339beb93cSSam Leffler wpa_printf(MSG_DEBUG, "WPS: PIN registration with " MACSTR 5439beb93cSSam Leffler " did not succeed - continue trying to find " 5539beb93cSSam Leffler "suitable AP", MAC2STR(bssid)); 5639beb93cSSam Leffler wpa_blacklist_add(wpa_s, bssid); 5739beb93cSSam Leffler 5839beb93cSSam Leffler wpa_supplicant_deauthenticate(wpa_s, 5939beb93cSSam Leffler WLAN_REASON_DEAUTH_LEAVING); 6039beb93cSSam Leffler wpa_s->reassociate = 1; 6139beb93cSSam Leffler wpa_supplicant_req_scan(wpa_s, 6239beb93cSSam Leffler wpa_s->blacklist_cleared ? 5 : 0, 0); 6339beb93cSSam Leffler wpa_s->blacklist_cleared = 0; 6439beb93cSSam Leffler return 1; 6539beb93cSSam Leffler } 6639beb93cSSam Leffler 6739beb93cSSam Leffler eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); 6839beb93cSSam Leffler 6939beb93cSSam Leffler if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid && 7039beb93cSSam Leffler !(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { 7139beb93cSSam Leffler wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - " 7239beb93cSSam Leffler "try to associate with the received credential"); 7339beb93cSSam Leffler wpa_supplicant_deauthenticate(wpa_s, 7439beb93cSSam Leffler WLAN_REASON_DEAUTH_LEAVING); 75*e28a4053SRui Paulo wpa_s->after_wps = 5; 76*e28a4053SRui Paulo wpa_s->wps_freq = wpa_s->assoc_freq; 7739beb93cSSam Leffler wpa_s->reassociate = 1; 7839beb93cSSam Leffler wpa_supplicant_req_scan(wpa_s, 0, 0); 7939beb93cSSam Leffler return 1; 8039beb93cSSam Leffler } 8139beb93cSSam Leffler 8239beb93cSSam Leffler if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid) { 8339beb93cSSam Leffler wpa_printf(MSG_DEBUG, "WPS: Registration completed - waiting " 8439beb93cSSam Leffler "for external credential processing"); 8539beb93cSSam Leffler wpas_clear_wps(wpa_s); 8639beb93cSSam Leffler wpa_supplicant_deauthenticate(wpa_s, 8739beb93cSSam Leffler WLAN_REASON_DEAUTH_LEAVING); 8839beb93cSSam Leffler return 1; 8939beb93cSSam Leffler } 9039beb93cSSam Leffler 9139beb93cSSam Leffler return 0; 9239beb93cSSam Leffler } 9339beb93cSSam Leffler 9439beb93cSSam Leffler 953157ba21SRui Paulo static void wpas_wps_security_workaround(struct wpa_supplicant *wpa_s, 963157ba21SRui Paulo struct wpa_ssid *ssid, 973157ba21SRui Paulo const struct wps_credential *cred) 983157ba21SRui Paulo { 993157ba21SRui Paulo struct wpa_driver_capa capa; 100*e28a4053SRui Paulo struct wpa_bss *bss; 1013157ba21SRui Paulo const u8 *ie; 1023157ba21SRui Paulo struct wpa_ie_data adv; 1033157ba21SRui Paulo int wpa2 = 0, ccmp = 0; 1043157ba21SRui Paulo 1053157ba21SRui Paulo /* 1063157ba21SRui Paulo * Many existing WPS APs do not know how to negotiate WPA2 or CCMP in 1073157ba21SRui Paulo * case they are configured for mixed mode operation (WPA+WPA2 and 1083157ba21SRui Paulo * TKIP+CCMP). Try to use scan results to figure out whether the AP 1093157ba21SRui Paulo * actually supports stronger security and select that if the client 1103157ba21SRui Paulo * has support for it, too. 1113157ba21SRui Paulo */ 1123157ba21SRui Paulo 1133157ba21SRui Paulo if (wpa_drv_get_capa(wpa_s, &capa)) 1143157ba21SRui Paulo return; /* Unknown what driver supports */ 1153157ba21SRui Paulo 116*e28a4053SRui Paulo bss = wpa_bss_get(wpa_s, cred->mac_addr, ssid->ssid, ssid->ssid_len); 117*e28a4053SRui Paulo if (bss == NULL) { 118*e28a4053SRui Paulo wpa_printf(MSG_DEBUG, "WPS: The AP was not found from BSS " 119*e28a4053SRui Paulo "table - use credential as-is"); 1203157ba21SRui Paulo return; 1213157ba21SRui Paulo } 1223157ba21SRui Paulo 123*e28a4053SRui Paulo wpa_printf(MSG_DEBUG, "WPS: AP found from BSS table"); 124*e28a4053SRui Paulo 125*e28a4053SRui Paulo ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); 1263157ba21SRui Paulo if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0) { 1273157ba21SRui Paulo wpa2 = 1; 1283157ba21SRui Paulo if (adv.pairwise_cipher & WPA_CIPHER_CCMP) 1293157ba21SRui Paulo ccmp = 1; 1303157ba21SRui Paulo } else { 131*e28a4053SRui Paulo ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); 1323157ba21SRui Paulo if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0 && 1333157ba21SRui Paulo adv.pairwise_cipher & WPA_CIPHER_CCMP) 1343157ba21SRui Paulo ccmp = 1; 1353157ba21SRui Paulo } 1363157ba21SRui Paulo 1373157ba21SRui Paulo if (ie == NULL && (ssid->proto & WPA_PROTO_WPA) && 1383157ba21SRui Paulo (ssid->pairwise_cipher & WPA_CIPHER_TKIP)) { 1393157ba21SRui Paulo /* 1403157ba21SRui Paulo * TODO: This could be the initial AP configuration and the 1413157ba21SRui Paulo * Beacon contents could change shortly. Should request a new 1423157ba21SRui Paulo * scan and delay addition of the network until the updated 1433157ba21SRui Paulo * scan results are available. 1443157ba21SRui Paulo */ 1453157ba21SRui Paulo wpa_printf(MSG_DEBUG, "WPS: The AP did not yet advertise WPA " 1463157ba21SRui Paulo "support - use credential as-is"); 1473157ba21SRui Paulo return; 1483157ba21SRui Paulo } 1493157ba21SRui Paulo 1503157ba21SRui Paulo if (ccmp && !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) && 1513157ba21SRui Paulo (ssid->pairwise_cipher & WPA_CIPHER_TKIP) && 1523157ba21SRui Paulo (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) { 1533157ba21SRui Paulo wpa_printf(MSG_DEBUG, "WPS: Add CCMP into the credential " 1543157ba21SRui Paulo "based on scan results"); 1553157ba21SRui Paulo if (wpa_s->conf->ap_scan == 1) 1563157ba21SRui Paulo ssid->pairwise_cipher |= WPA_CIPHER_CCMP; 1573157ba21SRui Paulo else 1583157ba21SRui Paulo ssid->pairwise_cipher = WPA_CIPHER_CCMP; 1593157ba21SRui Paulo } 1603157ba21SRui Paulo 1613157ba21SRui Paulo if (wpa2 && !(ssid->proto & WPA_PROTO_RSN) && 1623157ba21SRui Paulo (ssid->proto & WPA_PROTO_WPA) && 1633157ba21SRui Paulo (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP)) { 1643157ba21SRui Paulo wpa_printf(MSG_DEBUG, "WPS: Add WPA2 into the credential " 1653157ba21SRui Paulo "based on scan results"); 1663157ba21SRui Paulo if (wpa_s->conf->ap_scan == 1) 1673157ba21SRui Paulo ssid->proto |= WPA_PROTO_RSN; 1683157ba21SRui Paulo else 1693157ba21SRui Paulo ssid->proto = WPA_PROTO_RSN; 1703157ba21SRui Paulo } 1713157ba21SRui Paulo } 1723157ba21SRui Paulo 1733157ba21SRui Paulo 17439beb93cSSam Leffler static int wpa_supplicant_wps_cred(void *ctx, 17539beb93cSSam Leffler const struct wps_credential *cred) 17639beb93cSSam Leffler { 17739beb93cSSam Leffler struct wpa_supplicant *wpa_s = ctx; 17839beb93cSSam Leffler struct wpa_ssid *ssid = wpa_s->current_ssid; 1793157ba21SRui Paulo u8 key_idx = 0; 1803157ba21SRui Paulo u16 auth_type; 18139beb93cSSam Leffler 18239beb93cSSam Leffler if ((wpa_s->conf->wps_cred_processing == 1 || 18339beb93cSSam Leffler wpa_s->conf->wps_cred_processing == 2) && cred->cred_attr) { 18439beb93cSSam Leffler size_t blen = cred->cred_attr_len * 2 + 1; 18539beb93cSSam Leffler char *buf = os_malloc(blen); 18639beb93cSSam Leffler if (buf) { 18739beb93cSSam Leffler wpa_snprintf_hex(buf, blen, 18839beb93cSSam Leffler cred->cred_attr, cred->cred_attr_len); 18939beb93cSSam Leffler wpa_msg(wpa_s, MSG_INFO, "%s%s", 19039beb93cSSam Leffler WPS_EVENT_CRED_RECEIVED, buf); 19139beb93cSSam Leffler os_free(buf); 19239beb93cSSam Leffler } 193*e28a4053SRui Paulo 194*e28a4053SRui Paulo wpas_notify_wps_credential(wpa_s, cred); 19539beb93cSSam Leffler } else 19639beb93cSSam Leffler wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CRED_RECEIVED); 19739beb93cSSam Leffler 19839beb93cSSam Leffler wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute", 19939beb93cSSam Leffler cred->cred_attr, cred->cred_attr_len); 20039beb93cSSam Leffler 20139beb93cSSam Leffler if (wpa_s->conf->wps_cred_processing == 1) 20239beb93cSSam Leffler return 0; 20339beb93cSSam Leffler 2043157ba21SRui Paulo wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len); 2053157ba21SRui Paulo wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x", 20639beb93cSSam Leffler cred->auth_type); 2073157ba21SRui Paulo wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type); 2083157ba21SRui Paulo wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx); 2093157ba21SRui Paulo wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key", 2103157ba21SRui Paulo cred->key, cred->key_len); 2113157ba21SRui Paulo wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR, 2123157ba21SRui Paulo MAC2STR(cred->mac_addr)); 2133157ba21SRui Paulo 2143157ba21SRui Paulo auth_type = cred->auth_type; 2153157ba21SRui Paulo if (auth_type == (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) { 2163157ba21SRui Paulo wpa_printf(MSG_DEBUG, "WPS: Workaround - convert mixed-mode " 2173157ba21SRui Paulo "auth_type into WPA2PSK"); 2183157ba21SRui Paulo auth_type = WPS_AUTH_WPA2PSK; 2193157ba21SRui Paulo } 2203157ba21SRui Paulo 2213157ba21SRui Paulo if (auth_type != WPS_AUTH_OPEN && 2223157ba21SRui Paulo auth_type != WPS_AUTH_SHARED && 2233157ba21SRui Paulo auth_type != WPS_AUTH_WPAPSK && 2243157ba21SRui Paulo auth_type != WPS_AUTH_WPA2PSK) { 2253157ba21SRui Paulo wpa_printf(MSG_DEBUG, "WPS: Ignored credentials for " 2263157ba21SRui Paulo "unsupported authentication type 0x%x", 2273157ba21SRui Paulo auth_type); 22839beb93cSSam Leffler return 0; 22939beb93cSSam Leffler } 23039beb93cSSam Leffler 23139beb93cSSam Leffler if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { 23239beb93cSSam Leffler wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based " 23339beb93cSSam Leffler "on the received credential"); 23439beb93cSSam Leffler os_free(ssid->eap.identity); 23539beb93cSSam Leffler ssid->eap.identity = NULL; 23639beb93cSSam Leffler ssid->eap.identity_len = 0; 23739beb93cSSam Leffler os_free(ssid->eap.phase1); 23839beb93cSSam Leffler ssid->eap.phase1 = NULL; 23939beb93cSSam Leffler os_free(ssid->eap.eap_methods); 24039beb93cSSam Leffler ssid->eap.eap_methods = NULL; 24139beb93cSSam Leffler } else { 24239beb93cSSam Leffler wpa_printf(MSG_DEBUG, "WPS: Create a new network based on the " 24339beb93cSSam Leffler "received credential"); 24439beb93cSSam Leffler ssid = wpa_config_add_network(wpa_s->conf); 24539beb93cSSam Leffler if (ssid == NULL) 24639beb93cSSam Leffler return -1; 247*e28a4053SRui Paulo wpas_notify_network_added(wpa_s, ssid); 24839beb93cSSam Leffler } 24939beb93cSSam Leffler 25039beb93cSSam Leffler wpa_config_set_network_defaults(ssid); 25139beb93cSSam Leffler 25239beb93cSSam Leffler os_free(ssid->ssid); 25339beb93cSSam Leffler ssid->ssid = os_malloc(cred->ssid_len); 25439beb93cSSam Leffler if (ssid->ssid) { 25539beb93cSSam Leffler os_memcpy(ssid->ssid, cred->ssid, cred->ssid_len); 25639beb93cSSam Leffler ssid->ssid_len = cred->ssid_len; 25739beb93cSSam Leffler } 25839beb93cSSam Leffler 25939beb93cSSam Leffler switch (cred->encr_type) { 26039beb93cSSam Leffler case WPS_ENCR_NONE: 26139beb93cSSam Leffler break; 26239beb93cSSam Leffler case WPS_ENCR_WEP: 2633157ba21SRui Paulo if (cred->key_len <= 0) 2643157ba21SRui Paulo break; 2653157ba21SRui Paulo if (cred->key_len != 5 && cred->key_len != 13 && 2663157ba21SRui Paulo cred->key_len != 10 && cred->key_len != 26) { 2673157ba21SRui Paulo wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key length " 2683157ba21SRui Paulo "%lu", (unsigned long) cred->key_len); 2693157ba21SRui Paulo return -1; 27039beb93cSSam Leffler } 2713157ba21SRui Paulo if (cred->key_idx > NUM_WEP_KEYS) { 2723157ba21SRui Paulo wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key index %d", 2733157ba21SRui Paulo cred->key_idx); 2743157ba21SRui Paulo return -1; 2753157ba21SRui Paulo } 2763157ba21SRui Paulo if (cred->key_idx) 2773157ba21SRui Paulo key_idx = cred->key_idx - 1; 2783157ba21SRui Paulo if (cred->key_len == 10 || cred->key_len == 26) { 2793157ba21SRui Paulo if (hexstr2bin((char *) cred->key, 2803157ba21SRui Paulo ssid->wep_key[key_idx], 2813157ba21SRui Paulo cred->key_len / 2) < 0) { 2823157ba21SRui Paulo wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key " 2833157ba21SRui Paulo "%d", key_idx); 2843157ba21SRui Paulo return -1; 2853157ba21SRui Paulo } 2863157ba21SRui Paulo ssid->wep_key_len[key_idx] = cred->key_len / 2; 2873157ba21SRui Paulo } else { 2883157ba21SRui Paulo os_memcpy(ssid->wep_key[key_idx], cred->key, 2893157ba21SRui Paulo cred->key_len); 2903157ba21SRui Paulo ssid->wep_key_len[key_idx] = cred->key_len; 2913157ba21SRui Paulo } 2923157ba21SRui Paulo ssid->wep_tx_keyidx = key_idx; 29339beb93cSSam Leffler break; 29439beb93cSSam Leffler case WPS_ENCR_TKIP: 29539beb93cSSam Leffler ssid->pairwise_cipher = WPA_CIPHER_TKIP; 29639beb93cSSam Leffler break; 29739beb93cSSam Leffler case WPS_ENCR_AES: 29839beb93cSSam Leffler ssid->pairwise_cipher = WPA_CIPHER_CCMP; 29939beb93cSSam Leffler break; 30039beb93cSSam Leffler } 30139beb93cSSam Leffler 3023157ba21SRui Paulo switch (auth_type) { 30339beb93cSSam Leffler case WPS_AUTH_OPEN: 30439beb93cSSam Leffler ssid->auth_alg = WPA_AUTH_ALG_OPEN; 30539beb93cSSam Leffler ssid->key_mgmt = WPA_KEY_MGMT_NONE; 30639beb93cSSam Leffler ssid->proto = 0; 30739beb93cSSam Leffler break; 30839beb93cSSam Leffler case WPS_AUTH_SHARED: 30939beb93cSSam Leffler ssid->auth_alg = WPA_AUTH_ALG_SHARED; 31039beb93cSSam Leffler ssid->key_mgmt = WPA_KEY_MGMT_NONE; 31139beb93cSSam Leffler ssid->proto = 0; 31239beb93cSSam Leffler break; 31339beb93cSSam Leffler case WPS_AUTH_WPAPSK: 31439beb93cSSam Leffler ssid->auth_alg = WPA_AUTH_ALG_OPEN; 31539beb93cSSam Leffler ssid->key_mgmt = WPA_KEY_MGMT_PSK; 31639beb93cSSam Leffler ssid->proto = WPA_PROTO_WPA; 31739beb93cSSam Leffler break; 31839beb93cSSam Leffler case WPS_AUTH_WPA: 31939beb93cSSam Leffler ssid->auth_alg = WPA_AUTH_ALG_OPEN; 32039beb93cSSam Leffler ssid->key_mgmt = WPA_KEY_MGMT_IEEE8021X; 32139beb93cSSam Leffler ssid->proto = WPA_PROTO_WPA; 32239beb93cSSam Leffler break; 32339beb93cSSam Leffler case WPS_AUTH_WPA2: 32439beb93cSSam Leffler ssid->auth_alg = WPA_AUTH_ALG_OPEN; 32539beb93cSSam Leffler ssid->key_mgmt = WPA_KEY_MGMT_IEEE8021X; 32639beb93cSSam Leffler ssid->proto = WPA_PROTO_RSN; 32739beb93cSSam Leffler break; 32839beb93cSSam Leffler case WPS_AUTH_WPA2PSK: 32939beb93cSSam Leffler ssid->auth_alg = WPA_AUTH_ALG_OPEN; 33039beb93cSSam Leffler ssid->key_mgmt = WPA_KEY_MGMT_PSK; 33139beb93cSSam Leffler ssid->proto = WPA_PROTO_RSN; 33239beb93cSSam Leffler break; 33339beb93cSSam Leffler } 33439beb93cSSam Leffler 33539beb93cSSam Leffler if (ssid->key_mgmt == WPA_KEY_MGMT_PSK) { 33639beb93cSSam Leffler if (cred->key_len == 2 * PMK_LEN) { 33739beb93cSSam Leffler if (hexstr2bin((const char *) cred->key, ssid->psk, 33839beb93cSSam Leffler PMK_LEN)) { 33939beb93cSSam Leffler wpa_printf(MSG_ERROR, "WPS: Invalid Network " 34039beb93cSSam Leffler "Key"); 34139beb93cSSam Leffler return -1; 34239beb93cSSam Leffler } 34339beb93cSSam Leffler ssid->psk_set = 1; 34439beb93cSSam Leffler } else if (cred->key_len >= 8 && cred->key_len < 2 * PMK_LEN) { 34539beb93cSSam Leffler os_free(ssid->passphrase); 34639beb93cSSam Leffler ssid->passphrase = os_malloc(cred->key_len + 1); 34739beb93cSSam Leffler if (ssid->passphrase == NULL) 34839beb93cSSam Leffler return -1; 34939beb93cSSam Leffler os_memcpy(ssid->passphrase, cred->key, cred->key_len); 35039beb93cSSam Leffler ssid->passphrase[cred->key_len] = '\0'; 35139beb93cSSam Leffler wpa_config_update_psk(ssid); 35239beb93cSSam Leffler } else { 35339beb93cSSam Leffler wpa_printf(MSG_ERROR, "WPS: Invalid Network Key " 35439beb93cSSam Leffler "length %lu", 35539beb93cSSam Leffler (unsigned long) cred->key_len); 35639beb93cSSam Leffler return -1; 35739beb93cSSam Leffler } 35839beb93cSSam Leffler } 35939beb93cSSam Leffler 3603157ba21SRui Paulo wpas_wps_security_workaround(wpa_s, ssid, cred); 3613157ba21SRui Paulo 36239beb93cSSam Leffler #ifndef CONFIG_NO_CONFIG_WRITE 36339beb93cSSam Leffler if (wpa_s->conf->update_config && 36439beb93cSSam Leffler wpa_config_write(wpa_s->confname, wpa_s->conf)) { 36539beb93cSSam Leffler wpa_printf(MSG_DEBUG, "WPS: Failed to update configuration"); 36639beb93cSSam Leffler return -1; 36739beb93cSSam Leffler } 36839beb93cSSam Leffler #endif /* CONFIG_NO_CONFIG_WRITE */ 36939beb93cSSam Leffler 37039beb93cSSam Leffler return 0; 37139beb93cSSam Leffler } 37239beb93cSSam Leffler 37339beb93cSSam Leffler 37439beb93cSSam Leffler static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant *wpa_s, 37539beb93cSSam Leffler struct wps_event_m2d *m2d) 37639beb93cSSam Leffler { 37739beb93cSSam Leffler wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_M2D 37839beb93cSSam Leffler "dev_password_id=%d config_error=%d", 37939beb93cSSam Leffler m2d->dev_password_id, m2d->config_error); 380*e28a4053SRui Paulo wpas_notify_wps_event_m2d(wpa_s, m2d); 38139beb93cSSam Leffler } 38239beb93cSSam Leffler 38339beb93cSSam Leffler 38439beb93cSSam Leffler static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s, 38539beb93cSSam Leffler struct wps_event_fail *fail) 38639beb93cSSam Leffler { 38739beb93cSSam Leffler wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL "msg=%d", fail->msg); 38839beb93cSSam Leffler wpas_clear_wps(wpa_s); 389*e28a4053SRui Paulo wpas_notify_wps_event_fail(wpa_s, fail); 39039beb93cSSam Leffler } 39139beb93cSSam Leffler 39239beb93cSSam Leffler 39339beb93cSSam Leffler static void wpa_supplicant_wps_event_success(struct wpa_supplicant *wpa_s) 39439beb93cSSam Leffler { 39539beb93cSSam Leffler wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS); 39639beb93cSSam Leffler wpa_s->wps_success = 1; 397*e28a4053SRui Paulo wpas_notify_wps_event_success(wpa_s); 398*e28a4053SRui Paulo } 399*e28a4053SRui Paulo 400*e28a4053SRui Paulo 401*e28a4053SRui Paulo static void wpa_supplicant_wps_event_er_ap_add(struct wpa_supplicant *wpa_s, 402*e28a4053SRui Paulo struct wps_event_er_ap *ap) 403*e28a4053SRui Paulo { 404*e28a4053SRui Paulo char uuid_str[100]; 405*e28a4053SRui Paulo char dev_type[WPS_DEV_TYPE_BUFSIZE]; 406*e28a4053SRui Paulo 407*e28a4053SRui Paulo uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str)); 408*e28a4053SRui Paulo if (ap->pri_dev_type) 409*e28a4053SRui Paulo wps_dev_type_bin2str(ap->pri_dev_type, dev_type, 410*e28a4053SRui Paulo sizeof(dev_type)); 411*e28a4053SRui Paulo else 412*e28a4053SRui Paulo dev_type[0] = '\0'; 413*e28a4053SRui Paulo 414*e28a4053SRui Paulo wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_ADD "%s " MACSTR 415*e28a4053SRui Paulo " pri_dev_type=%s wps_state=%d |%s|%s|%s|%s|%s|%s|", 416*e28a4053SRui Paulo uuid_str, MAC2STR(ap->mac_addr), dev_type, ap->wps_state, 417*e28a4053SRui Paulo ap->friendly_name ? ap->friendly_name : "", 418*e28a4053SRui Paulo ap->manufacturer ? ap->manufacturer : "", 419*e28a4053SRui Paulo ap->model_description ? ap->model_description : "", 420*e28a4053SRui Paulo ap->model_name ? ap->model_name : "", 421*e28a4053SRui Paulo ap->manufacturer_url ? ap->manufacturer_url : "", 422*e28a4053SRui Paulo ap->model_url ? ap->model_url : ""); 423*e28a4053SRui Paulo } 424*e28a4053SRui Paulo 425*e28a4053SRui Paulo 426*e28a4053SRui Paulo static void wpa_supplicant_wps_event_er_ap_remove(struct wpa_supplicant *wpa_s, 427*e28a4053SRui Paulo struct wps_event_er_ap *ap) 428*e28a4053SRui Paulo { 429*e28a4053SRui Paulo char uuid_str[100]; 430*e28a4053SRui Paulo uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str)); 431*e28a4053SRui Paulo wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_REMOVE "%s", uuid_str); 432*e28a4053SRui Paulo } 433*e28a4053SRui Paulo 434*e28a4053SRui Paulo 435*e28a4053SRui Paulo static void wpa_supplicant_wps_event_er_enrollee_add( 436*e28a4053SRui Paulo struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee) 437*e28a4053SRui Paulo { 438*e28a4053SRui Paulo char uuid_str[100]; 439*e28a4053SRui Paulo char dev_type[WPS_DEV_TYPE_BUFSIZE]; 440*e28a4053SRui Paulo 441*e28a4053SRui Paulo uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str)); 442*e28a4053SRui Paulo if (enrollee->pri_dev_type) 443*e28a4053SRui Paulo wps_dev_type_bin2str(enrollee->pri_dev_type, dev_type, 444*e28a4053SRui Paulo sizeof(dev_type)); 445*e28a4053SRui Paulo else 446*e28a4053SRui Paulo dev_type[0] = '\0'; 447*e28a4053SRui Paulo 448*e28a4053SRui Paulo wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_ADD "%s " MACSTR 449*e28a4053SRui Paulo " M1=%d config_methods=0x%x dev_passwd_id=%d pri_dev_type=%s " 450*e28a4053SRui Paulo "|%s|%s|%s|%s|%s|", 451*e28a4053SRui Paulo uuid_str, MAC2STR(enrollee->mac_addr), enrollee->m1_received, 452*e28a4053SRui Paulo enrollee->config_methods, enrollee->dev_passwd_id, dev_type, 453*e28a4053SRui Paulo enrollee->dev_name ? enrollee->dev_name : "", 454*e28a4053SRui Paulo enrollee->manufacturer ? enrollee->manufacturer : "", 455*e28a4053SRui Paulo enrollee->model_name ? enrollee->model_name : "", 456*e28a4053SRui Paulo enrollee->model_number ? enrollee->model_number : "", 457*e28a4053SRui Paulo enrollee->serial_number ? enrollee->serial_number : ""); 458*e28a4053SRui Paulo } 459*e28a4053SRui Paulo 460*e28a4053SRui Paulo 461*e28a4053SRui Paulo static void wpa_supplicant_wps_event_er_enrollee_remove( 462*e28a4053SRui Paulo struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee) 463*e28a4053SRui Paulo { 464*e28a4053SRui Paulo char uuid_str[100]; 465*e28a4053SRui Paulo uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str)); 466*e28a4053SRui Paulo wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_REMOVE "%s " MACSTR, 467*e28a4053SRui Paulo uuid_str, MAC2STR(enrollee->mac_addr)); 46839beb93cSSam Leffler } 46939beb93cSSam Leffler 47039beb93cSSam Leffler 47139beb93cSSam Leffler static void wpa_supplicant_wps_event(void *ctx, enum wps_event event, 47239beb93cSSam Leffler union wps_event_data *data) 47339beb93cSSam Leffler { 47439beb93cSSam Leffler struct wpa_supplicant *wpa_s = ctx; 47539beb93cSSam Leffler switch (event) { 47639beb93cSSam Leffler case WPS_EV_M2D: 47739beb93cSSam Leffler wpa_supplicant_wps_event_m2d(wpa_s, &data->m2d); 47839beb93cSSam Leffler break; 47939beb93cSSam Leffler case WPS_EV_FAIL: 48039beb93cSSam Leffler wpa_supplicant_wps_event_fail(wpa_s, &data->fail); 48139beb93cSSam Leffler break; 48239beb93cSSam Leffler case WPS_EV_SUCCESS: 48339beb93cSSam Leffler wpa_supplicant_wps_event_success(wpa_s); 48439beb93cSSam Leffler break; 48539beb93cSSam Leffler case WPS_EV_PWD_AUTH_FAIL: 48639beb93cSSam Leffler break; 4873157ba21SRui Paulo case WPS_EV_PBC_OVERLAP: 4883157ba21SRui Paulo break; 4893157ba21SRui Paulo case WPS_EV_PBC_TIMEOUT: 4903157ba21SRui Paulo break; 491*e28a4053SRui Paulo case WPS_EV_ER_AP_ADD: 492*e28a4053SRui Paulo wpa_supplicant_wps_event_er_ap_add(wpa_s, &data->ap); 493*e28a4053SRui Paulo break; 494*e28a4053SRui Paulo case WPS_EV_ER_AP_REMOVE: 495*e28a4053SRui Paulo wpa_supplicant_wps_event_er_ap_remove(wpa_s, &data->ap); 496*e28a4053SRui Paulo break; 497*e28a4053SRui Paulo case WPS_EV_ER_ENROLLEE_ADD: 498*e28a4053SRui Paulo wpa_supplicant_wps_event_er_enrollee_add(wpa_s, 499*e28a4053SRui Paulo &data->enrollee); 500*e28a4053SRui Paulo break; 501*e28a4053SRui Paulo case WPS_EV_ER_ENROLLEE_REMOVE: 502*e28a4053SRui Paulo wpa_supplicant_wps_event_er_enrollee_remove(wpa_s, 503*e28a4053SRui Paulo &data->enrollee); 504*e28a4053SRui Paulo break; 50539beb93cSSam Leffler } 50639beb93cSSam Leffler } 50739beb93cSSam Leffler 50839beb93cSSam Leffler 50939beb93cSSam Leffler enum wps_request_type wpas_wps_get_req_type(struct wpa_ssid *ssid) 51039beb93cSSam Leffler { 51139beb93cSSam Leffler if (eap_is_wps_pbc_enrollee(&ssid->eap) || 51239beb93cSSam Leffler eap_is_wps_pin_enrollee(&ssid->eap)) 51339beb93cSSam Leffler return WPS_REQ_ENROLLEE; 51439beb93cSSam Leffler else 51539beb93cSSam Leffler return WPS_REQ_REGISTRAR; 51639beb93cSSam Leffler } 51739beb93cSSam Leffler 51839beb93cSSam Leffler 51939beb93cSSam Leffler static void wpas_clear_wps(struct wpa_supplicant *wpa_s) 52039beb93cSSam Leffler { 52139beb93cSSam Leffler int id; 522*e28a4053SRui Paulo struct wpa_ssid *ssid, *remove_ssid = NULL; 52339beb93cSSam Leffler 52439beb93cSSam Leffler eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); 52539beb93cSSam Leffler 52639beb93cSSam Leffler /* Remove any existing WPS network from configuration */ 52739beb93cSSam Leffler ssid = wpa_s->conf->ssid; 52839beb93cSSam Leffler while (ssid) { 52939beb93cSSam Leffler if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) { 530*e28a4053SRui Paulo if (ssid == wpa_s->current_ssid) { 53139beb93cSSam Leffler wpa_s->current_ssid = NULL; 532*e28a4053SRui Paulo if (ssid != NULL) 533*e28a4053SRui Paulo wpas_notify_network_changed(wpa_s); 534*e28a4053SRui Paulo } 53539beb93cSSam Leffler id = ssid->id; 536*e28a4053SRui Paulo remove_ssid = ssid; 53739beb93cSSam Leffler } else 53839beb93cSSam Leffler id = -1; 53939beb93cSSam Leffler ssid = ssid->next; 540*e28a4053SRui Paulo if (id >= 0) { 541*e28a4053SRui Paulo wpas_notify_network_removed(wpa_s, remove_ssid); 54239beb93cSSam Leffler wpa_config_remove_network(wpa_s->conf, id); 54339beb93cSSam Leffler } 54439beb93cSSam Leffler } 545*e28a4053SRui Paulo } 54639beb93cSSam Leffler 54739beb93cSSam Leffler 54839beb93cSSam Leffler static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx) 54939beb93cSSam Leffler { 55039beb93cSSam Leffler struct wpa_supplicant *wpa_s = eloop_ctx; 55139beb93cSSam Leffler wpa_printf(MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed " 55239beb93cSSam Leffler "out"); 55339beb93cSSam Leffler wpas_clear_wps(wpa_s); 55439beb93cSSam Leffler } 55539beb93cSSam Leffler 55639beb93cSSam Leffler 55739beb93cSSam Leffler static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s, 55839beb93cSSam Leffler int registrar, const u8 *bssid) 55939beb93cSSam Leffler { 56039beb93cSSam Leffler struct wpa_ssid *ssid; 56139beb93cSSam Leffler 56239beb93cSSam Leffler ssid = wpa_config_add_network(wpa_s->conf); 56339beb93cSSam Leffler if (ssid == NULL) 56439beb93cSSam Leffler return NULL; 565*e28a4053SRui Paulo wpas_notify_network_added(wpa_s, ssid); 56639beb93cSSam Leffler wpa_config_set_network_defaults(ssid); 56739beb93cSSam Leffler if (wpa_config_set(ssid, "key_mgmt", "WPS", 0) < 0 || 56839beb93cSSam Leffler wpa_config_set(ssid, "eap", "WSC", 0) < 0 || 56939beb93cSSam Leffler wpa_config_set(ssid, "identity", registrar ? 57039beb93cSSam Leffler "\"" WSC_ID_REGISTRAR "\"" : 57139beb93cSSam Leffler "\"" WSC_ID_ENROLLEE "\"", 0) < 0) { 572*e28a4053SRui Paulo wpas_notify_network_removed(wpa_s, ssid); 57339beb93cSSam Leffler wpa_config_remove_network(wpa_s->conf, ssid->id); 57439beb93cSSam Leffler return NULL; 57539beb93cSSam Leffler } 57639beb93cSSam Leffler 57739beb93cSSam Leffler if (bssid) { 578*e28a4053SRui Paulo struct wpa_bss *bss; 5793157ba21SRui Paulo int count = 0; 58039beb93cSSam Leffler 58139beb93cSSam Leffler os_memcpy(ssid->bssid, bssid, ETH_ALEN); 58239beb93cSSam Leffler ssid->bssid_set = 1; 58339beb93cSSam Leffler 584*e28a4053SRui Paulo dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { 585*e28a4053SRui Paulo if (os_memcmp(bssid, bss->bssid, ETH_ALEN) != 0) 58639beb93cSSam Leffler continue; 58739beb93cSSam Leffler 58839beb93cSSam Leffler os_free(ssid->ssid); 589*e28a4053SRui Paulo ssid->ssid = os_malloc(bss->ssid_len); 59039beb93cSSam Leffler if (ssid->ssid == NULL) 59139beb93cSSam Leffler break; 592*e28a4053SRui Paulo os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len); 593*e28a4053SRui Paulo ssid->ssid_len = bss->ssid_len; 5943157ba21SRui Paulo wpa_hexdump_ascii(MSG_DEBUG, "WPS: Picked SSID from " 5953157ba21SRui Paulo "scan results", 5963157ba21SRui Paulo ssid->ssid, ssid->ssid_len); 5973157ba21SRui Paulo count++; 5983157ba21SRui Paulo } 5993157ba21SRui Paulo 6003157ba21SRui Paulo if (count > 1) { 6013157ba21SRui Paulo wpa_printf(MSG_DEBUG, "WPS: More than one SSID found " 6023157ba21SRui Paulo "for the AP; use wildcard"); 6033157ba21SRui Paulo os_free(ssid->ssid); 6043157ba21SRui Paulo ssid->ssid = NULL; 6053157ba21SRui Paulo ssid->ssid_len = 0; 60639beb93cSSam Leffler } 60739beb93cSSam Leffler } 60839beb93cSSam Leffler 60939beb93cSSam Leffler return ssid; 61039beb93cSSam Leffler } 61139beb93cSSam Leffler 61239beb93cSSam Leffler 61339beb93cSSam Leffler static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s, 61439beb93cSSam Leffler struct wpa_ssid *selected) 61539beb93cSSam Leffler { 61639beb93cSSam Leffler struct wpa_ssid *ssid; 61739beb93cSSam Leffler 61839beb93cSSam Leffler /* Mark all other networks disabled and trigger reassociation */ 61939beb93cSSam Leffler ssid = wpa_s->conf->ssid; 62039beb93cSSam Leffler while (ssid) { 621*e28a4053SRui Paulo int was_disabled = ssid->disabled; 62239beb93cSSam Leffler ssid->disabled = ssid != selected; 623*e28a4053SRui Paulo if (was_disabled != ssid->disabled) 624*e28a4053SRui Paulo wpas_notify_network_enabled_changed(wpa_s, ssid); 62539beb93cSSam Leffler ssid = ssid->next; 62639beb93cSSam Leffler } 62739beb93cSSam Leffler wpa_s->disconnected = 0; 62839beb93cSSam Leffler wpa_s->reassociate = 1; 62939beb93cSSam Leffler wpa_s->scan_runs = 0; 63039beb93cSSam Leffler wpa_s->wps_success = 0; 63139beb93cSSam Leffler wpa_s->blacklist_cleared = 0; 63239beb93cSSam Leffler wpa_supplicant_req_scan(wpa_s, 0, 0); 63339beb93cSSam Leffler } 63439beb93cSSam Leffler 63539beb93cSSam Leffler 63639beb93cSSam Leffler int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid) 63739beb93cSSam Leffler { 63839beb93cSSam Leffler struct wpa_ssid *ssid; 63939beb93cSSam Leffler wpas_clear_wps(wpa_s); 64039beb93cSSam Leffler ssid = wpas_wps_add_network(wpa_s, 0, bssid); 64139beb93cSSam Leffler if (ssid == NULL) 64239beb93cSSam Leffler return -1; 64339beb93cSSam Leffler wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0); 64439beb93cSSam Leffler eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, 64539beb93cSSam Leffler wpa_s, NULL); 64639beb93cSSam Leffler wpas_wps_reassoc(wpa_s, ssid); 64739beb93cSSam Leffler return 0; 64839beb93cSSam Leffler } 64939beb93cSSam Leffler 65039beb93cSSam Leffler 65139beb93cSSam Leffler int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid, 65239beb93cSSam Leffler const char *pin) 65339beb93cSSam Leffler { 65439beb93cSSam Leffler struct wpa_ssid *ssid; 655*e28a4053SRui Paulo char val[128]; 65639beb93cSSam Leffler unsigned int rpin = 0; 65739beb93cSSam Leffler 65839beb93cSSam Leffler wpas_clear_wps(wpa_s); 65939beb93cSSam Leffler ssid = wpas_wps_add_network(wpa_s, 0, bssid); 66039beb93cSSam Leffler if (ssid == NULL) 66139beb93cSSam Leffler return -1; 66239beb93cSSam Leffler if (pin) 66339beb93cSSam Leffler os_snprintf(val, sizeof(val), "\"pin=%s\"", pin); 66439beb93cSSam Leffler else { 66539beb93cSSam Leffler rpin = wps_generate_pin(); 66639beb93cSSam Leffler os_snprintf(val, sizeof(val), "\"pin=%08d\"", rpin); 66739beb93cSSam Leffler } 66839beb93cSSam Leffler wpa_config_set(ssid, "phase1", val, 0); 66939beb93cSSam Leffler eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, 67039beb93cSSam Leffler wpa_s, NULL); 67139beb93cSSam Leffler wpas_wps_reassoc(wpa_s, ssid); 67239beb93cSSam Leffler return rpin; 67339beb93cSSam Leffler } 67439beb93cSSam Leffler 67539beb93cSSam Leffler 676*e28a4053SRui Paulo #ifdef CONFIG_WPS_OOB 677*e28a4053SRui Paulo int wpas_wps_start_oob(struct wpa_supplicant *wpa_s, char *device_type, 678*e28a4053SRui Paulo char *path, char *method, char *name) 679*e28a4053SRui Paulo { 680*e28a4053SRui Paulo struct wps_context *wps = wpa_s->wps; 681*e28a4053SRui Paulo struct oob_device_data *oob_dev; 682*e28a4053SRui Paulo 683*e28a4053SRui Paulo oob_dev = wps_get_oob_device(device_type); 684*e28a4053SRui Paulo if (oob_dev == NULL) 685*e28a4053SRui Paulo return -1; 686*e28a4053SRui Paulo oob_dev->device_path = path; 687*e28a4053SRui Paulo oob_dev->device_name = name; 688*e28a4053SRui Paulo wps->oob_conf.oob_method = wps_get_oob_method(method); 689*e28a4053SRui Paulo 690*e28a4053SRui Paulo if (wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E) { 691*e28a4053SRui Paulo /* 692*e28a4053SRui Paulo * Use pre-configured DH keys in order to be able to write the 693*e28a4053SRui Paulo * key hash into the OOB file. 694*e28a4053SRui Paulo */ 695*e28a4053SRui Paulo wpabuf_free(wps->dh_pubkey); 696*e28a4053SRui Paulo wpabuf_free(wps->dh_privkey); 697*e28a4053SRui Paulo wps->dh_privkey = NULL; 698*e28a4053SRui Paulo wps->dh_pubkey = NULL; 699*e28a4053SRui Paulo dh5_free(wps->dh_ctx); 700*e28a4053SRui Paulo wps->dh_ctx = dh5_init(&wps->dh_privkey, &wps->dh_pubkey); 701*e28a4053SRui Paulo wps->dh_pubkey = wpabuf_zeropad(wps->dh_pubkey, 192); 702*e28a4053SRui Paulo if (wps->dh_ctx == NULL || wps->dh_pubkey == NULL) { 703*e28a4053SRui Paulo wpa_printf(MSG_ERROR, "WPS: Failed to initialize " 704*e28a4053SRui Paulo "Diffie-Hellman handshake"); 705*e28a4053SRui Paulo return -1; 706*e28a4053SRui Paulo } 707*e28a4053SRui Paulo } 708*e28a4053SRui Paulo 709*e28a4053SRui Paulo if (wps->oob_conf.oob_method == OOB_METHOD_CRED) 710*e28a4053SRui Paulo wpas_clear_wps(wpa_s); 711*e28a4053SRui Paulo 712*e28a4053SRui Paulo if (wps_process_oob(wps, oob_dev, 0) < 0) 713*e28a4053SRui Paulo return -1; 714*e28a4053SRui Paulo 715*e28a4053SRui Paulo if ((wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E || 716*e28a4053SRui Paulo wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_R) && 717*e28a4053SRui Paulo wpas_wps_start_pin(wpa_s, NULL, 718*e28a4053SRui Paulo wpabuf_head(wps->oob_conf.dev_password)) < 0) 719*e28a4053SRui Paulo return -1; 720*e28a4053SRui Paulo 721*e28a4053SRui Paulo return 0; 722*e28a4053SRui Paulo } 723*e28a4053SRui Paulo #endif /* CONFIG_WPS_OOB */ 724*e28a4053SRui Paulo 725*e28a4053SRui Paulo 72639beb93cSSam Leffler int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid, 727*e28a4053SRui Paulo const char *pin, struct wps_new_ap_settings *settings) 72839beb93cSSam Leffler { 72939beb93cSSam Leffler struct wpa_ssid *ssid; 730*e28a4053SRui Paulo char val[200]; 731*e28a4053SRui Paulo char *pos, *end; 732*e28a4053SRui Paulo int res; 73339beb93cSSam Leffler 73439beb93cSSam Leffler if (!pin) 73539beb93cSSam Leffler return -1; 73639beb93cSSam Leffler wpas_clear_wps(wpa_s); 73739beb93cSSam Leffler ssid = wpas_wps_add_network(wpa_s, 1, bssid); 73839beb93cSSam Leffler if (ssid == NULL) 73939beb93cSSam Leffler return -1; 740*e28a4053SRui Paulo pos = val; 741*e28a4053SRui Paulo end = pos + sizeof(val); 742*e28a4053SRui Paulo res = os_snprintf(pos, end - pos, "\"pin=%s", pin); 743*e28a4053SRui Paulo if (res < 0 || res >= end - pos) 744*e28a4053SRui Paulo return -1; 745*e28a4053SRui Paulo pos += res; 746*e28a4053SRui Paulo if (settings) { 747*e28a4053SRui Paulo res = os_snprintf(pos, end - pos, " new_ssid=%s new_auth=%s " 748*e28a4053SRui Paulo "new_encr=%s new_key=%s", 749*e28a4053SRui Paulo settings->ssid_hex, settings->auth, 750*e28a4053SRui Paulo settings->encr, settings->key_hex); 751*e28a4053SRui Paulo if (res < 0 || res >= end - pos) 752*e28a4053SRui Paulo return -1; 753*e28a4053SRui Paulo pos += res; 754*e28a4053SRui Paulo } 755*e28a4053SRui Paulo res = os_snprintf(pos, end - pos, "\""); 756*e28a4053SRui Paulo if (res < 0 || res >= end - pos) 757*e28a4053SRui Paulo return -1; 75839beb93cSSam Leffler wpa_config_set(ssid, "phase1", val, 0); 75939beb93cSSam Leffler eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, 76039beb93cSSam Leffler wpa_s, NULL); 76139beb93cSSam Leffler wpas_wps_reassoc(wpa_s, ssid); 76239beb93cSSam Leffler return 0; 76339beb93cSSam Leffler } 76439beb93cSSam Leffler 76539beb93cSSam Leffler 76639beb93cSSam Leffler static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *psk, 76739beb93cSSam Leffler size_t psk_len) 76839beb93cSSam Leffler { 76939beb93cSSam Leffler wpa_printf(MSG_DEBUG, "WPS: Received new WPA/WPA2-PSK from WPS for " 77039beb93cSSam Leffler "STA " MACSTR, MAC2STR(mac_addr)); 77139beb93cSSam Leffler wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len); 77239beb93cSSam Leffler 77339beb93cSSam Leffler /* TODO */ 77439beb93cSSam Leffler 77539beb93cSSam Leffler return 0; 77639beb93cSSam Leffler } 77739beb93cSSam Leffler 77839beb93cSSam Leffler 77939beb93cSSam Leffler static void wpas_wps_pin_needed_cb(void *ctx, const u8 *uuid_e, 78039beb93cSSam Leffler const struct wps_device_data *dev) 78139beb93cSSam Leffler { 78239beb93cSSam Leffler char uuid[40], txt[400]; 78339beb93cSSam Leffler int len; 784*e28a4053SRui Paulo char devtype[WPS_DEV_TYPE_BUFSIZE]; 78539beb93cSSam Leffler if (uuid_bin2str(uuid_e, uuid, sizeof(uuid))) 78639beb93cSSam Leffler return; 78739beb93cSSam Leffler wpa_printf(MSG_DEBUG, "WPS: PIN needed for UUID-E %s", uuid); 78839beb93cSSam Leffler len = os_snprintf(txt, sizeof(txt), "WPS-EVENT-PIN-NEEDED %s " MACSTR 789*e28a4053SRui Paulo " [%s|%s|%s|%s|%s|%s]", 79039beb93cSSam Leffler uuid, MAC2STR(dev->mac_addr), dev->device_name, 79139beb93cSSam Leffler dev->manufacturer, dev->model_name, 79239beb93cSSam Leffler dev->model_number, dev->serial_number, 793*e28a4053SRui Paulo wps_dev_type_bin2str(dev->pri_dev_type, devtype, 794*e28a4053SRui Paulo sizeof(devtype))); 79539beb93cSSam Leffler if (len > 0 && len < (int) sizeof(txt)) 79639beb93cSSam Leffler wpa_printf(MSG_INFO, "%s", txt); 79739beb93cSSam Leffler } 79839beb93cSSam Leffler 79939beb93cSSam Leffler 800*e28a4053SRui Paulo static void wpas_wps_set_sel_reg_cb(void *ctx, int sel_reg, u16 dev_passwd_id, 801*e28a4053SRui Paulo u16 sel_reg_config_methods) 802*e28a4053SRui Paulo { 803*e28a4053SRui Paulo #ifdef CONFIG_WPS_ER 804*e28a4053SRui Paulo struct wpa_supplicant *wpa_s = ctx; 805*e28a4053SRui Paulo 806*e28a4053SRui Paulo if (wpa_s->wps_er == NULL) 807*e28a4053SRui Paulo return; 808*e28a4053SRui Paulo wps_er_set_sel_reg(wpa_s->wps_er, sel_reg, dev_passwd_id, 809*e28a4053SRui Paulo sel_reg_config_methods); 810*e28a4053SRui Paulo #endif /* CONFIG_WPS_ER */ 811*e28a4053SRui Paulo } 812*e28a4053SRui Paulo 813*e28a4053SRui Paulo 81439beb93cSSam Leffler int wpas_wps_init(struct wpa_supplicant *wpa_s) 81539beb93cSSam Leffler { 81639beb93cSSam Leffler struct wps_context *wps; 81739beb93cSSam Leffler struct wps_registrar_config rcfg; 81839beb93cSSam Leffler 81939beb93cSSam Leffler wps = os_zalloc(sizeof(*wps)); 82039beb93cSSam Leffler if (wps == NULL) 82139beb93cSSam Leffler return -1; 82239beb93cSSam Leffler 82339beb93cSSam Leffler wps->cred_cb = wpa_supplicant_wps_cred; 82439beb93cSSam Leffler wps->event_cb = wpa_supplicant_wps_event; 82539beb93cSSam Leffler wps->cb_ctx = wpa_s; 82639beb93cSSam Leffler 82739beb93cSSam Leffler wps->dev.device_name = wpa_s->conf->device_name; 82839beb93cSSam Leffler wps->dev.manufacturer = wpa_s->conf->manufacturer; 82939beb93cSSam Leffler wps->dev.model_name = wpa_s->conf->model_name; 83039beb93cSSam Leffler wps->dev.model_number = wpa_s->conf->model_number; 83139beb93cSSam Leffler wps->dev.serial_number = wpa_s->conf->serial_number; 832*e28a4053SRui Paulo wps->config_methods = 833*e28a4053SRui Paulo wps_config_methods_str2bin(wpa_s->conf->config_methods); 834*e28a4053SRui Paulo if (wpa_s->conf->device_type && 835*e28a4053SRui Paulo wps_dev_type_str2bin(wpa_s->conf->device_type, 836*e28a4053SRui Paulo wps->dev.pri_dev_type) < 0) { 83739beb93cSSam Leffler wpa_printf(MSG_ERROR, "WPS: Invalid device_type"); 83839beb93cSSam Leffler os_free(wps); 83939beb93cSSam Leffler return -1; 84039beb93cSSam Leffler } 84139beb93cSSam Leffler wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version); 84239beb93cSSam Leffler wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ; /* TODO: config */ 84339beb93cSSam Leffler os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN); 84439beb93cSSam Leffler if (is_nil_uuid(wpa_s->conf->uuid)) { 84539beb93cSSam Leffler uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid); 84639beb93cSSam Leffler wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC address", 84739beb93cSSam Leffler wps->uuid, WPS_UUID_LEN); 84839beb93cSSam Leffler } else 84939beb93cSSam Leffler os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN); 85039beb93cSSam Leffler 85139beb93cSSam Leffler wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK; 85239beb93cSSam Leffler wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP; 85339beb93cSSam Leffler 85439beb93cSSam Leffler os_memset(&rcfg, 0, sizeof(rcfg)); 85539beb93cSSam Leffler rcfg.new_psk_cb = wpas_wps_new_psk_cb; 85639beb93cSSam Leffler rcfg.pin_needed_cb = wpas_wps_pin_needed_cb; 857*e28a4053SRui Paulo rcfg.set_sel_reg_cb = wpas_wps_set_sel_reg_cb; 85839beb93cSSam Leffler rcfg.cb_ctx = wpa_s; 85939beb93cSSam Leffler 86039beb93cSSam Leffler wps->registrar = wps_registrar_init(wps, &rcfg); 86139beb93cSSam Leffler if (wps->registrar == NULL) { 86239beb93cSSam Leffler wpa_printf(MSG_DEBUG, "Failed to initialize WPS Registrar"); 86339beb93cSSam Leffler os_free(wps); 86439beb93cSSam Leffler return -1; 86539beb93cSSam Leffler } 86639beb93cSSam Leffler 86739beb93cSSam Leffler wpa_s->wps = wps; 86839beb93cSSam Leffler 86939beb93cSSam Leffler return 0; 87039beb93cSSam Leffler } 87139beb93cSSam Leffler 87239beb93cSSam Leffler 87339beb93cSSam Leffler void wpas_wps_deinit(struct wpa_supplicant *wpa_s) 87439beb93cSSam Leffler { 87539beb93cSSam Leffler eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); 87639beb93cSSam Leffler 87739beb93cSSam Leffler if (wpa_s->wps == NULL) 87839beb93cSSam Leffler return; 87939beb93cSSam Leffler 880*e28a4053SRui Paulo #ifdef CONFIG_WPS_ER 881*e28a4053SRui Paulo wps_er_deinit(wpa_s->wps_er, NULL, NULL); 882*e28a4053SRui Paulo wpa_s->wps_er = NULL; 883*e28a4053SRui Paulo #endif /* CONFIG_WPS_ER */ 884*e28a4053SRui Paulo 88539beb93cSSam Leffler wps_registrar_deinit(wpa_s->wps->registrar); 886*e28a4053SRui Paulo wpabuf_free(wpa_s->wps->dh_pubkey); 887*e28a4053SRui Paulo wpabuf_free(wpa_s->wps->dh_privkey); 888*e28a4053SRui Paulo wpabuf_free(wpa_s->wps->oob_conf.pubkey_hash); 889*e28a4053SRui Paulo wpabuf_free(wpa_s->wps->oob_conf.dev_password); 89039beb93cSSam Leffler os_free(wpa_s->wps->network_key); 89139beb93cSSam Leffler os_free(wpa_s->wps); 89239beb93cSSam Leffler wpa_s->wps = NULL; 89339beb93cSSam Leffler } 89439beb93cSSam Leffler 89539beb93cSSam Leffler 89639beb93cSSam Leffler int wpas_wps_ssid_bss_match(struct wpa_supplicant *wpa_s, 89739beb93cSSam Leffler struct wpa_ssid *ssid, struct wpa_scan_res *bss) 89839beb93cSSam Leffler { 89939beb93cSSam Leffler struct wpabuf *wps_ie; 90039beb93cSSam Leffler 90139beb93cSSam Leffler if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS)) 90239beb93cSSam Leffler return -1; 90339beb93cSSam Leffler 90439beb93cSSam Leffler wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); 90539beb93cSSam Leffler if (eap_is_wps_pbc_enrollee(&ssid->eap)) { 90639beb93cSSam Leffler if (!wps_ie) { 90739beb93cSSam Leffler wpa_printf(MSG_DEBUG, " skip - non-WPS AP"); 90839beb93cSSam Leffler return 0; 90939beb93cSSam Leffler } 91039beb93cSSam Leffler 91139beb93cSSam Leffler if (!wps_is_selected_pbc_registrar(wps_ie)) { 91239beb93cSSam Leffler wpa_printf(MSG_DEBUG, " skip - WPS AP " 91339beb93cSSam Leffler "without active PBC Registrar"); 91439beb93cSSam Leffler wpabuf_free(wps_ie); 91539beb93cSSam Leffler return 0; 91639beb93cSSam Leffler } 91739beb93cSSam Leffler 91839beb93cSSam Leffler /* TODO: overlap detection */ 91939beb93cSSam Leffler wpa_printf(MSG_DEBUG, " selected based on WPS IE " 92039beb93cSSam Leffler "(Active PBC)"); 92139beb93cSSam Leffler wpabuf_free(wps_ie); 92239beb93cSSam Leffler return 1; 92339beb93cSSam Leffler } 92439beb93cSSam Leffler 92539beb93cSSam Leffler if (eap_is_wps_pin_enrollee(&ssid->eap)) { 92639beb93cSSam Leffler if (!wps_ie) { 92739beb93cSSam Leffler wpa_printf(MSG_DEBUG, " skip - non-WPS AP"); 92839beb93cSSam Leffler return 0; 92939beb93cSSam Leffler } 93039beb93cSSam Leffler 93139beb93cSSam Leffler /* 93239beb93cSSam Leffler * Start with WPS APs that advertise active PIN Registrar and 93339beb93cSSam Leffler * allow any WPS AP after third scan since some APs do not set 93439beb93cSSam Leffler * Selected Registrar attribute properly when using external 93539beb93cSSam Leffler * Registrar. 93639beb93cSSam Leffler */ 93739beb93cSSam Leffler if (!wps_is_selected_pin_registrar(wps_ie)) { 93839beb93cSSam Leffler if (wpa_s->scan_runs < WPS_PIN_SCAN_IGNORE_SEL_REG) { 93939beb93cSSam Leffler wpa_printf(MSG_DEBUG, " skip - WPS AP " 94039beb93cSSam Leffler "without active PIN Registrar"); 94139beb93cSSam Leffler wpabuf_free(wps_ie); 94239beb93cSSam Leffler return 0; 94339beb93cSSam Leffler } 94439beb93cSSam Leffler wpa_printf(MSG_DEBUG, " selected based on WPS IE"); 94539beb93cSSam Leffler } else { 94639beb93cSSam Leffler wpa_printf(MSG_DEBUG, " selected based on WPS IE " 94739beb93cSSam Leffler "(Active PIN)"); 94839beb93cSSam Leffler } 94939beb93cSSam Leffler wpabuf_free(wps_ie); 95039beb93cSSam Leffler return 1; 95139beb93cSSam Leffler } 95239beb93cSSam Leffler 95339beb93cSSam Leffler if (wps_ie) { 95439beb93cSSam Leffler wpa_printf(MSG_DEBUG, " selected based on WPS IE"); 95539beb93cSSam Leffler wpabuf_free(wps_ie); 95639beb93cSSam Leffler return 1; 95739beb93cSSam Leffler } 95839beb93cSSam Leffler 95939beb93cSSam Leffler return -1; 96039beb93cSSam Leffler } 96139beb93cSSam Leffler 96239beb93cSSam Leffler 96339beb93cSSam Leffler int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s, 96439beb93cSSam Leffler struct wpa_ssid *ssid, 96539beb93cSSam Leffler struct wpa_scan_res *bss) 96639beb93cSSam Leffler { 96739beb93cSSam Leffler struct wpabuf *wps_ie = NULL; 96839beb93cSSam Leffler int ret = 0; 96939beb93cSSam Leffler 97039beb93cSSam Leffler if (eap_is_wps_pbc_enrollee(&ssid->eap)) { 97139beb93cSSam Leffler wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); 97239beb93cSSam Leffler if (wps_ie && wps_is_selected_pbc_registrar(wps_ie)) { 97339beb93cSSam Leffler /* allow wildcard SSID for WPS PBC */ 97439beb93cSSam Leffler ret = 1; 97539beb93cSSam Leffler } 97639beb93cSSam Leffler } else if (eap_is_wps_pin_enrollee(&ssid->eap)) { 97739beb93cSSam Leffler wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); 97839beb93cSSam Leffler if (wps_ie && 97939beb93cSSam Leffler (wps_is_selected_pin_registrar(wps_ie) || 98039beb93cSSam Leffler wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) { 98139beb93cSSam Leffler /* allow wildcard SSID for WPS PIN */ 98239beb93cSSam Leffler ret = 1; 98339beb93cSSam Leffler } 98439beb93cSSam Leffler } 98539beb93cSSam Leffler 98639beb93cSSam Leffler if (!ret && ssid->bssid_set && 98739beb93cSSam Leffler os_memcmp(ssid->bssid, bss->bssid, ETH_ALEN) == 0) { 98839beb93cSSam Leffler /* allow wildcard SSID due to hardcoded BSSID match */ 98939beb93cSSam Leffler ret = 1; 99039beb93cSSam Leffler } 99139beb93cSSam Leffler 99239beb93cSSam Leffler wpabuf_free(wps_ie); 99339beb93cSSam Leffler 99439beb93cSSam Leffler return ret; 99539beb93cSSam Leffler } 99639beb93cSSam Leffler 99739beb93cSSam Leffler 99839beb93cSSam Leffler int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s, 999*e28a4053SRui Paulo struct wpa_bss *selected, struct wpa_ssid *ssid) 100039beb93cSSam Leffler { 100139beb93cSSam Leffler const u8 *sel_uuid, *uuid; 100239beb93cSSam Leffler struct wpabuf *wps_ie; 100339beb93cSSam Leffler int ret = 0; 1004*e28a4053SRui Paulo struct wpa_bss *bss; 100539beb93cSSam Leffler 100639beb93cSSam Leffler if (!eap_is_wps_pbc_enrollee(&ssid->eap)) 100739beb93cSSam Leffler return 0; 100839beb93cSSam Leffler 100939beb93cSSam Leffler /* Make sure that only one AP is in active PBC mode */ 1010*e28a4053SRui Paulo wps_ie = wpa_bss_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE); 101139beb93cSSam Leffler if (wps_ie) 101239beb93cSSam Leffler sel_uuid = wps_get_uuid_e(wps_ie); 101339beb93cSSam Leffler else 101439beb93cSSam Leffler sel_uuid = NULL; 101539beb93cSSam Leffler 1016*e28a4053SRui Paulo dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { 101739beb93cSSam Leffler struct wpabuf *ie; 101839beb93cSSam Leffler if (bss == selected) 101939beb93cSSam Leffler continue; 1020*e28a4053SRui Paulo ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); 102139beb93cSSam Leffler if (!ie) 102239beb93cSSam Leffler continue; 102339beb93cSSam Leffler if (!wps_is_selected_pbc_registrar(ie)) { 102439beb93cSSam Leffler wpabuf_free(ie); 102539beb93cSSam Leffler continue; 102639beb93cSSam Leffler } 102739beb93cSSam Leffler uuid = wps_get_uuid_e(ie); 102839beb93cSSam Leffler if (sel_uuid == NULL || uuid == NULL || 102939beb93cSSam Leffler os_memcmp(sel_uuid, uuid, 16) != 0) { 103039beb93cSSam Leffler ret = 1; /* PBC overlap */ 103139beb93cSSam Leffler wpabuf_free(ie); 103239beb93cSSam Leffler break; 103339beb93cSSam Leffler } 103439beb93cSSam Leffler 103539beb93cSSam Leffler /* TODO: verify that this is reasonable dual-band situation */ 103639beb93cSSam Leffler 103739beb93cSSam Leffler wpabuf_free(ie); 103839beb93cSSam Leffler } 103939beb93cSSam Leffler 104039beb93cSSam Leffler wpabuf_free(wps_ie); 104139beb93cSSam Leffler 104239beb93cSSam Leffler return ret; 104339beb93cSSam Leffler } 104439beb93cSSam Leffler 104539beb93cSSam Leffler 104639beb93cSSam Leffler void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s) 104739beb93cSSam Leffler { 1048*e28a4053SRui Paulo struct wpa_bss *bss; 104939beb93cSSam Leffler 105039beb93cSSam Leffler if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED) 105139beb93cSSam Leffler return; 105239beb93cSSam Leffler 1053*e28a4053SRui Paulo dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { 105439beb93cSSam Leffler struct wpabuf *ie; 1055*e28a4053SRui Paulo ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); 105639beb93cSSam Leffler if (!ie) 105739beb93cSSam Leffler continue; 105839beb93cSSam Leffler if (wps_is_selected_pbc_registrar(ie)) 1059*e28a4053SRui Paulo wpa_msg_ctrl(wpa_s, MSG_INFO, 1060*e28a4053SRui Paulo WPS_EVENT_AP_AVAILABLE_PBC); 106139beb93cSSam Leffler else if (wps_is_selected_pin_registrar(ie)) 1062*e28a4053SRui Paulo wpa_msg_ctrl(wpa_s, MSG_INFO, 1063*e28a4053SRui Paulo WPS_EVENT_AP_AVAILABLE_PIN); 106439beb93cSSam Leffler else 1065*e28a4053SRui Paulo wpa_msg_ctrl(wpa_s, MSG_INFO, 1066*e28a4053SRui Paulo WPS_EVENT_AP_AVAILABLE); 106739beb93cSSam Leffler wpabuf_free(ie); 106839beb93cSSam Leffler break; 106939beb93cSSam Leffler } 107039beb93cSSam Leffler } 107139beb93cSSam Leffler 107239beb93cSSam Leffler 107339beb93cSSam Leffler int wpas_wps_searching(struct wpa_supplicant *wpa_s) 107439beb93cSSam Leffler { 107539beb93cSSam Leffler struct wpa_ssid *ssid; 107639beb93cSSam Leffler 107739beb93cSSam Leffler for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { 107839beb93cSSam Leffler if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && !ssid->disabled) 107939beb93cSSam Leffler return 1; 108039beb93cSSam Leffler } 108139beb93cSSam Leffler 108239beb93cSSam Leffler return 0; 108339beb93cSSam Leffler } 1084*e28a4053SRui Paulo 1085*e28a4053SRui Paulo 1086*e28a4053SRui Paulo int wpas_wps_scan_result_text(const u8 *ies, size_t ies_len, char *buf, 1087*e28a4053SRui Paulo char *end) 1088*e28a4053SRui Paulo { 1089*e28a4053SRui Paulo struct wpabuf *wps_ie; 1090*e28a4053SRui Paulo int ret; 1091*e28a4053SRui Paulo 1092*e28a4053SRui Paulo wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len, WPS_DEV_OUI_WFA); 1093*e28a4053SRui Paulo if (wps_ie == NULL) 1094*e28a4053SRui Paulo return 0; 1095*e28a4053SRui Paulo 1096*e28a4053SRui Paulo ret = wps_attr_text(wps_ie, buf, end); 1097*e28a4053SRui Paulo wpabuf_free(wps_ie); 1098*e28a4053SRui Paulo return ret; 1099*e28a4053SRui Paulo } 1100*e28a4053SRui Paulo 1101*e28a4053SRui Paulo 1102*e28a4053SRui Paulo int wpas_wps_er_start(struct wpa_supplicant *wpa_s) 1103*e28a4053SRui Paulo { 1104*e28a4053SRui Paulo #ifdef CONFIG_WPS_ER 1105*e28a4053SRui Paulo if (wpa_s->wps_er) { 1106*e28a4053SRui Paulo wps_er_refresh(wpa_s->wps_er); 1107*e28a4053SRui Paulo return 0; 1108*e28a4053SRui Paulo } 1109*e28a4053SRui Paulo wpa_s->wps_er = wps_er_init(wpa_s->wps, wpa_s->ifname); 1110*e28a4053SRui Paulo if (wpa_s->wps_er == NULL) 1111*e28a4053SRui Paulo return -1; 1112*e28a4053SRui Paulo return 0; 1113*e28a4053SRui Paulo #else /* CONFIG_WPS_ER */ 1114*e28a4053SRui Paulo return 0; 1115*e28a4053SRui Paulo #endif /* CONFIG_WPS_ER */ 1116*e28a4053SRui Paulo } 1117*e28a4053SRui Paulo 1118*e28a4053SRui Paulo 1119*e28a4053SRui Paulo int wpas_wps_er_stop(struct wpa_supplicant *wpa_s) 1120*e28a4053SRui Paulo { 1121*e28a4053SRui Paulo #ifdef CONFIG_WPS_ER 1122*e28a4053SRui Paulo wps_er_deinit(wpa_s->wps_er, NULL, NULL); 1123*e28a4053SRui Paulo wpa_s->wps_er = NULL; 1124*e28a4053SRui Paulo #endif /* CONFIG_WPS_ER */ 1125*e28a4053SRui Paulo return 0; 1126*e28a4053SRui Paulo } 1127*e28a4053SRui Paulo 1128*e28a4053SRui Paulo 1129*e28a4053SRui Paulo #ifdef CONFIG_WPS_ER 1130*e28a4053SRui Paulo int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const char *uuid, 1131*e28a4053SRui Paulo const char *pin) 1132*e28a4053SRui Paulo { 1133*e28a4053SRui Paulo u8 u[UUID_LEN]; 1134*e28a4053SRui Paulo int any = 0; 1135*e28a4053SRui Paulo 1136*e28a4053SRui Paulo if (os_strcmp(uuid, "any") == 0) 1137*e28a4053SRui Paulo any = 1; 1138*e28a4053SRui Paulo else if (uuid_str2bin(uuid, u)) 1139*e28a4053SRui Paulo return -1; 1140*e28a4053SRui Paulo return wps_registrar_add_pin(wpa_s->wps->registrar, any ? NULL : u, 1141*e28a4053SRui Paulo (const u8 *) pin, os_strlen(pin), 300); 1142*e28a4053SRui Paulo } 1143*e28a4053SRui Paulo 1144*e28a4053SRui Paulo 1145*e28a4053SRui Paulo int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid) 1146*e28a4053SRui Paulo { 1147*e28a4053SRui Paulo u8 u[UUID_LEN]; 1148*e28a4053SRui Paulo 1149*e28a4053SRui Paulo if (uuid_str2bin(uuid, u)) 1150*e28a4053SRui Paulo return -1; 1151*e28a4053SRui Paulo return wps_er_pbc(wpa_s->wps_er, u); 1152*e28a4053SRui Paulo } 1153*e28a4053SRui Paulo 1154*e28a4053SRui Paulo 1155*e28a4053SRui Paulo int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid, 1156*e28a4053SRui Paulo const char *pin) 1157*e28a4053SRui Paulo { 1158*e28a4053SRui Paulo u8 u[UUID_LEN]; 1159*e28a4053SRui Paulo 1160*e28a4053SRui Paulo if (uuid_str2bin(uuid, u)) 1161*e28a4053SRui Paulo return -1; 1162*e28a4053SRui Paulo return wps_er_learn(wpa_s->wps_er, u, (const u8 *) pin, 1163*e28a4053SRui Paulo os_strlen(pin)); 1164*e28a4053SRui Paulo } 1165*e28a4053SRui Paulo 1166*e28a4053SRui Paulo 1167*e28a4053SRui Paulo static void wpas_wps_terminate_cb(void *ctx) 1168*e28a4053SRui Paulo { 1169*e28a4053SRui Paulo wpa_printf(MSG_DEBUG, "WPS ER: Terminated"); 1170*e28a4053SRui Paulo eloop_terminate(); 1171*e28a4053SRui Paulo } 1172*e28a4053SRui Paulo #endif /* CONFIG_WPS_ER */ 1173*e28a4053SRui Paulo 1174*e28a4053SRui Paulo 1175*e28a4053SRui Paulo int wpas_wps_terminate_pending(struct wpa_supplicant *wpa_s) 1176*e28a4053SRui Paulo { 1177*e28a4053SRui Paulo #ifdef CONFIG_WPS_ER 1178*e28a4053SRui Paulo if (wpa_s->wps_er) { 1179*e28a4053SRui Paulo wps_er_deinit(wpa_s->wps_er, wpas_wps_terminate_cb, wpa_s); 1180*e28a4053SRui Paulo wpa_s->wps_er = NULL; 1181*e28a4053SRui Paulo return 1; 1182*e28a4053SRui Paulo } 1183*e28a4053SRui Paulo #endif /* CONFIG_WPS_ER */ 1184*e28a4053SRui Paulo return 0; 1185*e28a4053SRui Paulo } 1186