2008-11-28 18:46:22 +01:00
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/*
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* wpa_supplicant / WPS integration
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* Copyright (c) 2008, Jouni Malinen <j@w1.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Alternatively, this software may be distributed under the terms of BSD
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* license.
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*
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* See README and COPYING for more details.
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*/
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#include "includes.h"
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#include "common.h"
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#include "ieee802_11_defs.h"
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2009-09-11 16:14:49 +02:00
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#include "ieee802_11_common.h"
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2008-11-28 18:46:22 +01:00
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#include "wpa_common.h"
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#include "config.h"
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2008-11-29 12:38:03 +01:00
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#include "eap_peer/eap.h"
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2008-11-28 18:46:22 +01:00
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#include "wpa_supplicant_i.h"
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2009-03-26 19:37:05 +01:00
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#include "driver_i.h"
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2008-11-29 19:59:45 +01:00
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#include "eloop.h"
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2009-01-01 21:56:52 +01:00
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#include "uuid.h"
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2008-12-15 19:09:57 +01:00
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#include "wpa_ctrl.h"
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2009-09-13 19:53:32 +02:00
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#include "notify.h"
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2008-11-29 19:59:45 +01:00
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#include "eap_common/eap_wsc_common.h"
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2009-01-23 12:10:58 +01:00
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#include "blacklist.h"
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2009-03-05 20:39:39 +01:00
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#include "wpa.h"
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2008-11-28 18:46:22 +01:00
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#include "wps_supplicant.h"
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2009-02-26 20:57:38 +01:00
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#include "dh_groups.h"
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2008-11-28 18:46:22 +01:00
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2009-01-23 12:10:58 +01:00
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#define WPS_PIN_SCAN_IGNORE_SEL_REG 3
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2008-11-28 18:46:22 +01:00
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2008-11-29 19:59:45 +01:00
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static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx);
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2008-12-19 21:19:41 +01:00
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static void wpas_clear_wps(struct wpa_supplicant *wpa_s);
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2008-11-29 19:59:45 +01:00
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2008-11-28 18:46:22 +01:00
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int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s)
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{
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2009-01-23 12:10:58 +01:00
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if (!wpa_s->wps_success &&
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wpa_s->current_ssid &&
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eap_is_wps_pin_enrollee(&wpa_s->current_ssid->eap)) {
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const u8 *bssid = wpa_s->bssid;
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if (is_zero_ether_addr(bssid))
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bssid = wpa_s->pending_bssid;
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wpa_printf(MSG_DEBUG, "WPS: PIN registration with " MACSTR
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" did not succeed - continue trying to find "
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"suitable AP", MAC2STR(bssid));
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wpa_blacklist_add(wpa_s, bssid);
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wpa_supplicant_deauthenticate(wpa_s,
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WLAN_REASON_DEAUTH_LEAVING);
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wpa_s->reassociate = 1;
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wpa_supplicant_req_scan(wpa_s,
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wpa_s->blacklist_cleared ? 5 : 0, 0);
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wpa_s->blacklist_cleared = 0;
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return 1;
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}
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2008-11-29 19:59:45 +01:00
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eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
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2008-11-28 18:46:22 +01:00
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if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid &&
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!(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
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wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - "
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"try to associate with the received credential");
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wpa_supplicant_deauthenticate(wpa_s,
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WLAN_REASON_DEAUTH_LEAVING);
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wpa_s->reassociate = 1;
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wpa_supplicant_req_scan(wpa_s, 0, 0);
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return 1;
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}
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2009-01-18 11:27:12 +01:00
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if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid) {
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wpa_printf(MSG_DEBUG, "WPS: Registration completed - waiting "
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"for external credential processing");
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wpas_clear_wps(wpa_s);
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wpa_supplicant_deauthenticate(wpa_s,
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WLAN_REASON_DEAUTH_LEAVING);
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return 1;
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}
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2008-11-28 18:46:22 +01:00
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return 0;
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}
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2009-03-05 20:39:39 +01:00
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static void wpas_wps_security_workaround(struct wpa_supplicant *wpa_s,
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struct wpa_ssid *ssid,
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const struct wps_credential *cred)
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{
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struct wpa_driver_capa capa;
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size_t i;
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struct wpa_scan_res *bss;
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const u8 *ie;
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struct wpa_ie_data adv;
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int wpa2 = 0, ccmp = 0;
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/*
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* Many existing WPS APs do not know how to negotiate WPA2 or CCMP in
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* case they are configured for mixed mode operation (WPA+WPA2 and
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* TKIP+CCMP). Try to use scan results to figure out whether the AP
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* actually supports stronger security and select that if the client
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* has support for it, too.
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*/
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if (wpa_drv_get_capa(wpa_s, &capa))
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return; /* Unknown what driver supports */
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if (wpa_supplicant_get_scan_results(wpa_s) || wpa_s->scan_res == NULL)
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return; /* Could not get scan results for checking advertised
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* parameters */
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for (i = 0; i < wpa_s->scan_res->num; i++) {
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bss = wpa_s->scan_res->res[i];
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if (os_memcmp(bss->bssid, cred->mac_addr, ETH_ALEN) != 0)
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continue;
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ie = wpa_scan_get_ie(bss, WLAN_EID_SSID);
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if (ie == NULL)
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continue;
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if (ie[1] != ssid->ssid_len || ssid->ssid == NULL ||
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os_memcmp(ie + 2, ssid->ssid, ssid->ssid_len) != 0)
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continue;
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wpa_printf(MSG_DEBUG, "WPS: AP found from scan results");
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break;
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}
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if (i == wpa_s->scan_res->num) {
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wpa_printf(MSG_DEBUG, "WPS: The AP was not found from scan "
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"results - use credential as-is");
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return;
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}
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ie = wpa_scan_get_ie(bss, WLAN_EID_RSN);
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if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0) {
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wpa2 = 1;
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if (adv.pairwise_cipher & WPA_CIPHER_CCMP)
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ccmp = 1;
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} else {
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ie = wpa_scan_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
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if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0 &&
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adv.pairwise_cipher & WPA_CIPHER_CCMP)
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ccmp = 1;
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}
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if (ie == NULL && (ssid->proto & WPA_PROTO_WPA) &&
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(ssid->pairwise_cipher & WPA_CIPHER_TKIP)) {
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/*
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* TODO: This could be the initial AP configuration and the
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* Beacon contents could change shortly. Should request a new
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* scan and delay addition of the network until the updated
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* scan results are available.
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*/
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wpa_printf(MSG_DEBUG, "WPS: The AP did not yet advertise WPA "
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"support - use credential as-is");
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return;
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}
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if (ccmp && !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) &&
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(ssid->pairwise_cipher & WPA_CIPHER_TKIP) &&
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(capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
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wpa_printf(MSG_DEBUG, "WPS: Add CCMP into the credential "
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"based on scan results");
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if (wpa_s->conf->ap_scan == 1)
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ssid->pairwise_cipher |= WPA_CIPHER_CCMP;
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else
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ssid->pairwise_cipher = WPA_CIPHER_CCMP;
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}
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if (wpa2 && !(ssid->proto & WPA_PROTO_RSN) &&
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(ssid->proto & WPA_PROTO_WPA) &&
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(capa.enc & WPA_DRIVER_CAPA_ENC_CCMP)) {
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wpa_printf(MSG_DEBUG, "WPS: Add WPA2 into the credential "
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"based on scan results");
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if (wpa_s->conf->ap_scan == 1)
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ssid->proto |= WPA_PROTO_RSN;
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else
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ssid->proto = WPA_PROTO_RSN;
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}
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}
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2008-11-28 19:02:32 +01:00
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static int wpa_supplicant_wps_cred(void *ctx,
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const struct wps_credential *cred)
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2008-11-28 18:46:22 +01:00
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{
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struct wpa_supplicant *wpa_s = ctx;
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struct wpa_ssid *ssid = wpa_s->current_ssid;
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2009-02-18 18:58:44 +01:00
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u8 key_idx = 0;
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2009-08-15 19:40:45 +02:00
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u16 auth_type;
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2008-11-28 18:46:22 +01:00
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2009-01-18 11:27:12 +01:00
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if ((wpa_s->conf->wps_cred_processing == 1 ||
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wpa_s->conf->wps_cred_processing == 2) && cred->cred_attr) {
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size_t blen = cred->cred_attr_len * 2 + 1;
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char *buf = os_malloc(blen);
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if (buf) {
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wpa_snprintf_hex(buf, blen,
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cred->cred_attr, cred->cred_attr_len);
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wpa_msg(wpa_s, MSG_INFO, "%s%s",
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WPS_EVENT_CRED_RECEIVED, buf);
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os_free(buf);
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}
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2009-09-13 19:53:32 +02:00
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wpas_notify_wps_credential(wpa_s, cred);
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2009-01-18 11:27:12 +01:00
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} else
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wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CRED_RECEIVED);
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2008-11-28 18:46:22 +01:00
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2009-01-17 21:17:12 +01:00
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wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute",
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cred->cred_attr, cred->cred_attr_len);
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2009-01-18 11:27:12 +01:00
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if (wpa_s->conf->wps_cred_processing == 1)
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return 0;
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2009-03-30 18:00:55 +02:00
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wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len);
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wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x",
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cred->auth_type);
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wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type);
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wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx);
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wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key",
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cred->key, cred->key_len);
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wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR,
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MAC2STR(cred->mac_addr));
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2009-08-15 19:40:45 +02:00
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auth_type = cred->auth_type;
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if (auth_type == (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
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wpa_printf(MSG_DEBUG, "WPS: Workaround - convert mixed-mode "
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"auth_type into WPA2PSK");
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auth_type = WPS_AUTH_WPA2PSK;
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}
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if (auth_type != WPS_AUTH_OPEN &&
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auth_type != WPS_AUTH_SHARED &&
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auth_type != WPS_AUTH_WPAPSK &&
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auth_type != WPS_AUTH_WPA2PSK) {
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2009-01-17 20:45:51 +01:00
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wpa_printf(MSG_DEBUG, "WPS: Ignored credentials for "
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2009-08-15 19:40:45 +02:00
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"unsupported authentication type 0x%x",
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auth_type);
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2009-01-17 20:45:51 +01:00
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return 0;
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}
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2008-11-28 18:46:22 +01:00
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if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
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wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based "
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"on the received credential");
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os_free(ssid->eap.identity);
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ssid->eap.identity = NULL;
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ssid->eap.identity_len = 0;
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os_free(ssid->eap.phase1);
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ssid->eap.phase1 = NULL;
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os_free(ssid->eap.eap_methods);
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ssid->eap.eap_methods = NULL;
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} else {
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wpa_printf(MSG_DEBUG, "WPS: Create a new network based on the "
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"received credential");
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ssid = wpa_config_add_network(wpa_s->conf);
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if (ssid == NULL)
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return -1;
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2009-09-13 19:53:32 +02:00
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wpas_notify_network_added(wpa_s, ssid);
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2008-11-28 18:46:22 +01:00
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}
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wpa_config_set_network_defaults(ssid);
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os_free(ssid->ssid);
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ssid->ssid = os_malloc(cred->ssid_len);
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if (ssid->ssid) {
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os_memcpy(ssid->ssid, cred->ssid, cred->ssid_len);
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ssid->ssid_len = cred->ssid_len;
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}
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switch (cred->encr_type) {
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case WPS_ENCR_NONE:
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break;
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case WPS_ENCR_WEP:
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2009-02-17 09:30:43 +01:00
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if (cred->key_len <= 0)
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break;
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if (cred->key_len != 5 && cred->key_len != 13 &&
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cred->key_len != 10 && cred->key_len != 26) {
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wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key length "
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"%lu", (unsigned long) cred->key_len);
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return -1;
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}
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2009-02-18 18:58:44 +01:00
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if (cred->key_idx > NUM_WEP_KEYS) {
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2009-02-17 09:30:43 +01:00
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wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key index %d",
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cred->key_idx);
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return -1;
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}
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2009-02-18 18:58:44 +01:00
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if (cred->key_idx)
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key_idx = cred->key_idx - 1;
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2009-02-17 09:30:43 +01:00
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if (cred->key_len == 10 || cred->key_len == 26) {
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if (hexstr2bin((char *) cred->key,
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ssid->wep_key[key_idx],
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cred->key_len / 2) < 0) {
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wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key "
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"%d", key_idx);
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return -1;
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}
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ssid->wep_key_len[key_idx] = cred->key_len / 2;
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} else {
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|
|
os_memcpy(ssid->wep_key[key_idx], cred->key,
|
2008-11-28 18:46:22 +01:00
|
|
|
cred->key_len);
|
2009-02-17 09:30:43 +01:00
|
|
|
ssid->wep_key_len[key_idx] = cred->key_len;
|
2008-11-28 18:46:22 +01:00
|
|
|
}
|
2009-02-17 09:30:43 +01:00
|
|
|
ssid->wep_tx_keyidx = key_idx;
|
2008-11-28 18:46:22 +01:00
|
|
|
break;
|
|
|
|
case WPS_ENCR_TKIP:
|
|
|
|
ssid->pairwise_cipher = WPA_CIPHER_TKIP;
|
|
|
|
break;
|
|
|
|
case WPS_ENCR_AES:
|
|
|
|
ssid->pairwise_cipher = WPA_CIPHER_CCMP;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2009-08-15 19:40:45 +02:00
|
|
|
switch (auth_type) {
|
2008-11-28 18:46:22 +01:00
|
|
|
case WPS_AUTH_OPEN:
|
|
|
|
ssid->auth_alg = WPA_AUTH_ALG_OPEN;
|
|
|
|
ssid->key_mgmt = WPA_KEY_MGMT_NONE;
|
|
|
|
ssid->proto = 0;
|
|
|
|
break;
|
|
|
|
case WPS_AUTH_SHARED:
|
|
|
|
ssid->auth_alg = WPA_AUTH_ALG_SHARED;
|
|
|
|
ssid->key_mgmt = WPA_KEY_MGMT_NONE;
|
|
|
|
ssid->proto = 0;
|
|
|
|
break;
|
|
|
|
case WPS_AUTH_WPAPSK:
|
|
|
|
ssid->auth_alg = WPA_AUTH_ALG_OPEN;
|
|
|
|
ssid->key_mgmt = WPA_KEY_MGMT_PSK;
|
|
|
|
ssid->proto = WPA_PROTO_WPA;
|
|
|
|
break;
|
|
|
|
case WPS_AUTH_WPA:
|
|
|
|
ssid->auth_alg = WPA_AUTH_ALG_OPEN;
|
|
|
|
ssid->key_mgmt = WPA_KEY_MGMT_IEEE8021X;
|
|
|
|
ssid->proto = WPA_PROTO_WPA;
|
|
|
|
break;
|
|
|
|
case WPS_AUTH_WPA2:
|
|
|
|
ssid->auth_alg = WPA_AUTH_ALG_OPEN;
|
|
|
|
ssid->key_mgmt = WPA_KEY_MGMT_IEEE8021X;
|
|
|
|
ssid->proto = WPA_PROTO_RSN;
|
|
|
|
break;
|
|
|
|
case WPS_AUTH_WPA2PSK:
|
|
|
|
ssid->auth_alg = WPA_AUTH_ALG_OPEN;
|
|
|
|
ssid->key_mgmt = WPA_KEY_MGMT_PSK;
|
|
|
|
ssid->proto = WPA_PROTO_RSN;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ssid->key_mgmt == WPA_KEY_MGMT_PSK) {
|
|
|
|
if (cred->key_len == 2 * PMK_LEN) {
|
|
|
|
if (hexstr2bin((const char *) cred->key, ssid->psk,
|
|
|
|
PMK_LEN)) {
|
|
|
|
wpa_printf(MSG_ERROR, "WPS: Invalid Network "
|
|
|
|
"Key");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
ssid->psk_set = 1;
|
|
|
|
} else if (cred->key_len >= 8 && cred->key_len < 2 * PMK_LEN) {
|
|
|
|
os_free(ssid->passphrase);
|
|
|
|
ssid->passphrase = os_malloc(cred->key_len + 1);
|
|
|
|
if (ssid->passphrase == NULL)
|
|
|
|
return -1;
|
|
|
|
os_memcpy(ssid->passphrase, cred->key, cred->key_len);
|
|
|
|
ssid->passphrase[cred->key_len] = '\0';
|
|
|
|
wpa_config_update_psk(ssid);
|
|
|
|
} else {
|
|
|
|
wpa_printf(MSG_ERROR, "WPS: Invalid Network Key "
|
|
|
|
"length %lu",
|
|
|
|
(unsigned long) cred->key_len);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2009-03-05 20:39:39 +01:00
|
|
|
wpas_wps_security_workaround(wpa_s, ssid, cred);
|
|
|
|
|
2008-11-28 18:46:22 +01:00
|
|
|
#ifndef CONFIG_NO_CONFIG_WRITE
|
|
|
|
if (wpa_s->conf->update_config &&
|
|
|
|
wpa_config_write(wpa_s->confname, wpa_s->conf)) {
|
|
|
|
wpa_printf(MSG_DEBUG, "WPS: Failed to update configuration");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
#endif /* CONFIG_NO_CONFIG_WRITE */
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-12-18 20:58:42 +01:00
|
|
|
static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant *wpa_s,
|
|
|
|
struct wps_event_m2d *m2d)
|
|
|
|
{
|
|
|
|
wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_M2D
|
|
|
|
"dev_password_id=%d config_error=%d",
|
|
|
|
m2d->dev_password_id, m2d->config_error);
|
2009-09-13 19:53:32 +02:00
|
|
|
wpas_notify_wps_event_m2d(wpa_s, m2d);
|
2008-12-18 20:58:42 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-12-19 21:19:41 +01:00
|
|
|
static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s,
|
|
|
|
struct wps_event_fail *fail)
|
|
|
|
{
|
|
|
|
wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL "msg=%d", fail->msg);
|
|
|
|
wpas_clear_wps(wpa_s);
|
2009-09-13 19:53:32 +02:00
|
|
|
wpas_notify_wps_event_fail(wpa_s, fail);
|
2008-12-19 21:19:41 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-12-19 21:34:18 +01:00
|
|
|
static void wpa_supplicant_wps_event_success(struct wpa_supplicant *wpa_s)
|
|
|
|
{
|
|
|
|
wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS);
|
2009-01-23 12:10:58 +01:00
|
|
|
wpa_s->wps_success = 1;
|
2009-09-13 19:53:32 +02:00
|
|
|
wpas_notify_wps_event_success(wpa_s);
|
2008-12-19 21:34:18 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-12-18 20:58:42 +01:00
|
|
|
static void wpa_supplicant_wps_event(void *ctx, enum wps_event event,
|
|
|
|
union wps_event_data *data)
|
|
|
|
{
|
|
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
|
|
switch (event) {
|
|
|
|
case WPS_EV_M2D:
|
|
|
|
wpa_supplicant_wps_event_m2d(wpa_s, &data->m2d);
|
|
|
|
break;
|
2008-12-19 21:19:41 +01:00
|
|
|
case WPS_EV_FAIL:
|
|
|
|
wpa_supplicant_wps_event_fail(wpa_s, &data->fail);
|
|
|
|
break;
|
2008-12-19 21:34:18 +01:00
|
|
|
case WPS_EV_SUCCESS:
|
|
|
|
wpa_supplicant_wps_event_success(wpa_s);
|
|
|
|
break;
|
2009-01-23 20:57:43 +01:00
|
|
|
case WPS_EV_PWD_AUTH_FAIL:
|
|
|
|
break;
|
2008-12-18 20:58:42 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-01-03 18:50:49 +01:00
|
|
|
enum wps_request_type wpas_wps_get_req_type(struct wpa_ssid *ssid)
|
2008-11-28 18:46:22 +01:00
|
|
|
{
|
2008-11-29 12:38:03 +01:00
|
|
|
if (eap_is_wps_pbc_enrollee(&ssid->eap) ||
|
|
|
|
eap_is_wps_pin_enrollee(&ssid->eap))
|
|
|
|
return WPS_REQ_ENROLLEE;
|
|
|
|
else
|
|
|
|
return WPS_REQ_REGISTRAR;
|
2008-11-28 18:46:22 +01:00
|
|
|
}
|
2008-11-28 19:32:13 +01:00
|
|
|
|
|
|
|
|
2008-11-29 19:59:45 +01:00
|
|
|
static void wpas_clear_wps(struct wpa_supplicant *wpa_s)
|
|
|
|
{
|
|
|
|
int id;
|
2009-09-13 19:53:32 +02:00
|
|
|
struct wpa_ssid *ssid, *remove_ssid = NULL;
|
2008-11-29 19:59:45 +01:00
|
|
|
|
|
|
|
eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
|
|
|
|
|
|
|
|
/* Remove any existing WPS network from configuration */
|
|
|
|
ssid = wpa_s->conf->ssid;
|
|
|
|
while (ssid) {
|
2008-12-18 00:06:06 +01:00
|
|
|
if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
|
2009-09-13 19:53:32 +02:00
|
|
|
if (ssid == wpa_s->current_ssid) {
|
2008-12-18 00:06:06 +01:00
|
|
|
wpa_s->current_ssid = NULL;
|
2009-09-13 19:53:32 +02:00
|
|
|
if (ssid != NULL)
|
|
|
|
wpas_notify_network_changed(wpa_s);
|
|
|
|
}
|
2008-11-29 19:59:45 +01:00
|
|
|
id = ssid->id;
|
2009-09-13 19:53:32 +02:00
|
|
|
remove_ssid = ssid;
|
2008-12-18 00:06:06 +01:00
|
|
|
} else
|
2008-11-29 19:59:45 +01:00
|
|
|
id = -1;
|
|
|
|
ssid = ssid->next;
|
2009-09-13 19:53:32 +02:00
|
|
|
if (id >= 0) {
|
|
|
|
wpas_notify_network_removed(wpa_s, remove_ssid);
|
2008-11-29 19:59:45 +01:00
|
|
|
wpa_config_remove_network(wpa_s->conf, id);
|
2009-09-13 19:53:32 +02:00
|
|
|
}
|
2008-11-29 19:59:45 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx)
|
|
|
|
{
|
|
|
|
struct wpa_supplicant *wpa_s = eloop_ctx;
|
2009-01-23 12:10:58 +01:00
|
|
|
wpa_printf(MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed "
|
|
|
|
"out");
|
2008-11-29 19:59:45 +01:00
|
|
|
wpas_clear_wps(wpa_s);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s,
|
|
|
|
int registrar, const u8 *bssid)
|
|
|
|
{
|
|
|
|
struct wpa_ssid *ssid;
|
|
|
|
|
|
|
|
ssid = wpa_config_add_network(wpa_s->conf);
|
|
|
|
if (ssid == NULL)
|
|
|
|
return NULL;
|
2009-09-13 19:53:32 +02:00
|
|
|
wpas_notify_network_added(wpa_s, ssid);
|
2008-11-29 19:59:45 +01:00
|
|
|
wpa_config_set_network_defaults(ssid);
|
|
|
|
if (wpa_config_set(ssid, "key_mgmt", "WPS", 0) < 0 ||
|
|
|
|
wpa_config_set(ssid, "eap", "WSC", 0) < 0 ||
|
|
|
|
wpa_config_set(ssid, "identity", registrar ?
|
|
|
|
"\"" WSC_ID_REGISTRAR "\"" :
|
|
|
|
"\"" WSC_ID_ENROLLEE "\"", 0) < 0) {
|
2009-09-13 19:53:32 +02:00
|
|
|
wpas_notify_network_removed(wpa_s, ssid);
|
2008-11-29 19:59:45 +01:00
|
|
|
wpa_config_remove_network(wpa_s->conf, ssid->id);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (bssid) {
|
|
|
|
size_t i;
|
|
|
|
struct wpa_scan_res *res;
|
|
|
|
|
|
|
|
os_memcpy(ssid->bssid, bssid, ETH_ALEN);
|
2008-12-20 21:55:02 +01:00
|
|
|
ssid->bssid_set = 1;
|
2008-11-29 19:59:45 +01:00
|
|
|
|
|
|
|
/* Try to get SSID from scan results */
|
|
|
|
if (wpa_s->scan_res == NULL &&
|
|
|
|
wpa_supplicant_get_scan_results(wpa_s) < 0)
|
|
|
|
return ssid; /* Could not find any scan results */
|
|
|
|
|
|
|
|
for (i = 0; i < wpa_s->scan_res->num; i++) {
|
|
|
|
const u8 *ie;
|
|
|
|
|
|
|
|
res = wpa_s->scan_res->res[i];
|
|
|
|
if (os_memcmp(bssid, res->bssid, ETH_ALEN) != 0)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
ie = wpa_scan_get_ie(res, WLAN_EID_SSID);
|
|
|
|
if (ie == NULL)
|
|
|
|
break;
|
|
|
|
os_free(ssid->ssid);
|
|
|
|
ssid->ssid = os_malloc(ie[1]);
|
|
|
|
if (ssid->ssid == NULL)
|
|
|
|
break;
|
|
|
|
os_memcpy(ssid->ssid, ie + 2, ie[1]);
|
|
|
|
ssid->ssid_len = ie[1];
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return ssid;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s,
|
|
|
|
struct wpa_ssid *selected)
|
|
|
|
{
|
|
|
|
struct wpa_ssid *ssid;
|
|
|
|
|
|
|
|
/* Mark all other networks disabled and trigger reassociation */
|
|
|
|
ssid = wpa_s->conf->ssid;
|
|
|
|
while (ssid) {
|
2009-09-13 19:53:32 +02:00
|
|
|
int was_disabled = ssid->disabled;
|
2008-11-29 19:59:45 +01:00
|
|
|
ssid->disabled = ssid != selected;
|
2009-09-13 19:53:32 +02:00
|
|
|
if (was_disabled != ssid->disabled)
|
|
|
|
wpas_notify_network_enabled_changed(wpa_s, ssid);
|
2008-11-29 19:59:45 +01:00
|
|
|
ssid = ssid->next;
|
|
|
|
}
|
|
|
|
wpa_s->disconnected = 0;
|
|
|
|
wpa_s->reassociate = 1;
|
2009-01-23 12:10:58 +01:00
|
|
|
wpa_s->scan_runs = 0;
|
|
|
|
wpa_s->wps_success = 0;
|
|
|
|
wpa_s->blacklist_cleared = 0;
|
2008-11-29 19:59:45 +01:00
|
|
|
wpa_supplicant_req_scan(wpa_s, 0, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid)
|
|
|
|
{
|
|
|
|
struct wpa_ssid *ssid;
|
|
|
|
wpas_clear_wps(wpa_s);
|
|
|
|
ssid = wpas_wps_add_network(wpa_s, 0, bssid);
|
|
|
|
if (ssid == NULL)
|
|
|
|
return -1;
|
|
|
|
wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0);
|
|
|
|
eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
|
|
|
|
wpa_s, NULL);
|
|
|
|
wpas_wps_reassoc(wpa_s, ssid);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
|
|
|
|
const char *pin)
|
|
|
|
{
|
|
|
|
struct wpa_ssid *ssid;
|
2009-02-26 20:57:38 +01:00
|
|
|
char val[128];
|
2008-11-29 19:59:45 +01:00
|
|
|
unsigned int rpin = 0;
|
|
|
|
|
|
|
|
wpas_clear_wps(wpa_s);
|
|
|
|
ssid = wpas_wps_add_network(wpa_s, 0, bssid);
|
|
|
|
if (ssid == NULL)
|
|
|
|
return -1;
|
|
|
|
if (pin)
|
|
|
|
os_snprintf(val, sizeof(val), "\"pin=%s\"", pin);
|
|
|
|
else {
|
|
|
|
rpin = wps_generate_pin();
|
|
|
|
os_snprintf(val, sizeof(val), "\"pin=%08d\"", rpin);
|
|
|
|
}
|
|
|
|
wpa_config_set(ssid, "phase1", val, 0);
|
|
|
|
eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
|
|
|
|
wpa_s, NULL);
|
|
|
|
wpas_wps_reassoc(wpa_s, ssid);
|
|
|
|
return rpin;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-02-26 21:10:21 +01:00
|
|
|
#ifdef CONFIG_WPS_OOB
|
2009-02-26 20:57:38 +01:00
|
|
|
int wpas_wps_start_oob(struct wpa_supplicant *wpa_s, char *device_type,
|
2009-03-06 15:16:22 +01:00
|
|
|
char *path, char *method, char *name)
|
2009-02-26 20:57:38 +01:00
|
|
|
{
|
|
|
|
struct wps_context *wps = wpa_s->wps;
|
2009-02-26 21:07:55 +01:00
|
|
|
struct oob_device_data *oob_dev;
|
2009-02-26 20:57:38 +01:00
|
|
|
|
2009-02-26 21:07:55 +01:00
|
|
|
oob_dev = wps_get_oob_device(device_type);
|
|
|
|
if (oob_dev == NULL)
|
2009-02-26 20:57:38 +01:00
|
|
|
return -1;
|
2009-02-26 21:07:55 +01:00
|
|
|
oob_dev->device_path = path;
|
2009-03-06 15:16:22 +01:00
|
|
|
oob_dev->device_name = name;
|
2009-02-26 20:57:38 +01:00
|
|
|
wps->oob_conf.oob_method = wps_get_oob_method(method);
|
|
|
|
|
2009-02-26 21:09:35 +01:00
|
|
|
if (wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E) {
|
|
|
|
/*
|
|
|
|
* Use pre-configured DH keys in order to be able to write the
|
|
|
|
* key hash into the OOB file.
|
|
|
|
*/
|
|
|
|
wpabuf_free(wps->dh_pubkey);
|
|
|
|
wpabuf_free(wps->dh_privkey);
|
|
|
|
wps->dh_privkey = NULL;
|
|
|
|
wps->dh_pubkey = dh_init(dh_groups_get(WPS_DH_GROUP),
|
|
|
|
&wps->dh_privkey);
|
|
|
|
wps->dh_pubkey = wpabuf_zeropad(wps->dh_pubkey, 192);
|
|
|
|
if (wps->dh_pubkey == NULL) {
|
|
|
|
wpa_printf(MSG_ERROR, "WPS: Failed to initialize "
|
|
|
|
"Diffie-Hellman handshake");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2009-02-26 20:57:38 +01:00
|
|
|
if (wps->oob_conf.oob_method == OOB_METHOD_CRED)
|
|
|
|
wpas_clear_wps(wpa_s);
|
|
|
|
|
2009-02-26 21:07:55 +01:00
|
|
|
if (wps_process_oob(wps, oob_dev, 0) < 0)
|
2009-02-26 20:57:38 +01:00
|
|
|
return -1;
|
|
|
|
|
|
|
|
if ((wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E ||
|
|
|
|
wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_R) &&
|
|
|
|
wpas_wps_start_pin(wpa_s, NULL,
|
|
|
|
wpabuf_head(wps->oob_conf.dev_password)) < 0)
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2009-02-26 21:10:21 +01:00
|
|
|
#endif /* CONFIG_WPS_OOB */
|
2009-02-26 20:57:38 +01:00
|
|
|
|
|
|
|
|
2008-11-29 19:59:45 +01:00
|
|
|
int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid,
|
2009-09-06 12:58:15 +02:00
|
|
|
const char *pin, struct wps_new_ap_settings *settings)
|
2008-11-29 19:59:45 +01:00
|
|
|
{
|
|
|
|
struct wpa_ssid *ssid;
|
2009-09-06 12:58:15 +02:00
|
|
|
char val[200];
|
|
|
|
char *pos, *end;
|
|
|
|
int res;
|
2008-11-29 19:59:45 +01:00
|
|
|
|
|
|
|
if (!pin)
|
|
|
|
return -1;
|
|
|
|
wpas_clear_wps(wpa_s);
|
|
|
|
ssid = wpas_wps_add_network(wpa_s, 1, bssid);
|
|
|
|
if (ssid == NULL)
|
|
|
|
return -1;
|
2009-09-06 12:58:15 +02:00
|
|
|
pos = val;
|
|
|
|
end = pos + sizeof(val);
|
|
|
|
res = os_snprintf(pos, end - pos, "\"pin=%s", pin);
|
|
|
|
if (res < 0 || res >= end - pos)
|
|
|
|
return -1;
|
|
|
|
pos += res;
|
|
|
|
if (settings) {
|
|
|
|
res = os_snprintf(pos, end - pos, " new_ssid=%s new_auth=%s "
|
|
|
|
"new_encr=%s new_key=%s",
|
|
|
|
settings->ssid_hex, settings->auth,
|
|
|
|
settings->encr, settings->key_hex);
|
|
|
|
if (res < 0 || res >= end - pos)
|
|
|
|
return -1;
|
|
|
|
pos += res;
|
|
|
|
}
|
|
|
|
res = os_snprintf(pos, end - pos, "\"");
|
|
|
|
if (res < 0 || res >= end - pos)
|
|
|
|
return -1;
|
2008-11-29 19:59:45 +01:00
|
|
|
wpa_config_set(ssid, "phase1", val, 0);
|
|
|
|
eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
|
|
|
|
wpa_s, NULL);
|
|
|
|
wpas_wps_reassoc(wpa_s, ssid);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-01-03 19:18:35 +01:00
|
|
|
static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *psk,
|
|
|
|
size_t psk_len)
|
|
|
|
{
|
|
|
|
wpa_printf(MSG_DEBUG, "WPS: Received new WPA/WPA2-PSK from WPS for "
|
|
|
|
"STA " MACSTR, MAC2STR(mac_addr));
|
|
|
|
wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len);
|
|
|
|
|
|
|
|
/* TODO */
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void wpas_wps_pin_needed_cb(void *ctx, const u8 *uuid_e,
|
|
|
|
const struct wps_device_data *dev)
|
|
|
|
{
|
|
|
|
char uuid[40], txt[400];
|
|
|
|
int len;
|
|
|
|
if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
|
|
|
|
return;
|
|
|
|
wpa_printf(MSG_DEBUG, "WPS: PIN needed for UUID-E %s", uuid);
|
|
|
|
len = os_snprintf(txt, sizeof(txt), "WPS-EVENT-PIN-NEEDED %s " MACSTR
|
|
|
|
" [%s|%s|%s|%s|%s|%d-%08X-%d]",
|
|
|
|
uuid, MAC2STR(dev->mac_addr), dev->device_name,
|
|
|
|
dev->manufacturer, dev->model_name,
|
|
|
|
dev->model_number, dev->serial_number,
|
|
|
|
dev->categ, dev->oui, dev->sub_categ);
|
|
|
|
if (len > 0 && len < (int) sizeof(txt))
|
|
|
|
wpa_printf(MSG_INFO, "%s", txt);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-11-28 19:32:13 +01:00
|
|
|
int wpas_wps_init(struct wpa_supplicant *wpa_s)
|
|
|
|
{
|
|
|
|
struct wps_context *wps;
|
2009-01-03 19:18:35 +01:00
|
|
|
struct wps_registrar_config rcfg;
|
2008-11-28 19:32:13 +01:00
|
|
|
|
|
|
|
wps = os_zalloc(sizeof(*wps));
|
|
|
|
if (wps == NULL)
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
wps->cred_cb = wpa_supplicant_wps_cred;
|
2008-12-18 20:58:42 +01:00
|
|
|
wps->event_cb = wpa_supplicant_wps_event;
|
2008-11-28 19:32:13 +01:00
|
|
|
wps->cb_ctx = wpa_s;
|
|
|
|
|
2008-12-13 16:20:46 +01:00
|
|
|
wps->dev.device_name = wpa_s->conf->device_name;
|
|
|
|
wps->dev.manufacturer = wpa_s->conf->manufacturer;
|
|
|
|
wps->dev.model_name = wpa_s->conf->model_name;
|
|
|
|
wps->dev.model_number = wpa_s->conf->model_number;
|
|
|
|
wps->dev.serial_number = wpa_s->conf->serial_number;
|
|
|
|
if (wpa_s->conf->device_type) {
|
|
|
|
char *pos;
|
|
|
|
u8 oui[4];
|
|
|
|
/* <categ>-<OUI>-<subcateg> */
|
|
|
|
wps->dev.categ = atoi(wpa_s->conf->device_type);
|
|
|
|
pos = os_strchr(wpa_s->conf->device_type, '-');
|
|
|
|
if (pos == NULL) {
|
|
|
|
wpa_printf(MSG_ERROR, "WPS: Invalid device_type");
|
|
|
|
os_free(wps);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
pos++;
|
|
|
|
if (hexstr2bin(pos, oui, 4)) {
|
|
|
|
wpa_printf(MSG_ERROR, "WPS: Invalid device_type OUI");
|
|
|
|
os_free(wps);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
wps->dev.oui = WPA_GET_BE32(oui);
|
|
|
|
pos = os_strchr(pos, '-');
|
|
|
|
if (pos == NULL) {
|
|
|
|
wpa_printf(MSG_ERROR, "WPS: Invalid device_type");
|
|
|
|
os_free(wps);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
pos++;
|
|
|
|
wps->dev.sub_categ = atoi(pos);
|
|
|
|
}
|
|
|
|
wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
|
|
|
|
wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ; /* TODO: config */
|
2008-11-28 19:44:47 +01:00
|
|
|
os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN);
|
2009-01-01 21:56:52 +01:00
|
|
|
if (is_nil_uuid(wpa_s->conf->uuid)) {
|
|
|
|
uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid);
|
|
|
|
wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC address",
|
|
|
|
wps->uuid, WPS_UUID_LEN);
|
|
|
|
} else
|
|
|
|
os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
|
2008-11-28 19:32:13 +01:00
|
|
|
|
2009-01-03 19:18:35 +01:00
|
|
|
wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK;
|
|
|
|
wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP;
|
|
|
|
|
|
|
|
os_memset(&rcfg, 0, sizeof(rcfg));
|
|
|
|
rcfg.new_psk_cb = wpas_wps_new_psk_cb;
|
|
|
|
rcfg.pin_needed_cb = wpas_wps_pin_needed_cb;
|
|
|
|
rcfg.cb_ctx = wpa_s;
|
|
|
|
|
|
|
|
wps->registrar = wps_registrar_init(wps, &rcfg);
|
|
|
|
if (wps->registrar == NULL) {
|
|
|
|
wpa_printf(MSG_DEBUG, "Failed to initialize WPS Registrar");
|
|
|
|
os_free(wps);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2008-11-28 19:32:13 +01:00
|
|
|
wpa_s->wps = wps;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void wpas_wps_deinit(struct wpa_supplicant *wpa_s)
|
|
|
|
{
|
2008-11-29 19:59:45 +01:00
|
|
|
eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
|
|
|
|
|
2008-11-28 19:32:13 +01:00
|
|
|
if (wpa_s->wps == NULL)
|
|
|
|
return;
|
|
|
|
|
2009-01-03 19:18:35 +01:00
|
|
|
wps_registrar_deinit(wpa_s->wps->registrar);
|
2009-02-26 20:57:38 +01:00
|
|
|
wpabuf_free(wpa_s->wps->dh_pubkey);
|
|
|
|
wpabuf_free(wpa_s->wps->dh_privkey);
|
|
|
|
wpabuf_free(wpa_s->wps->oob_conf.pubkey_hash);
|
|
|
|
wpabuf_free(wpa_s->wps->oob_conf.dev_password);
|
2008-11-28 19:32:13 +01:00
|
|
|
os_free(wpa_s->wps->network_key);
|
|
|
|
os_free(wpa_s->wps);
|
|
|
|
wpa_s->wps = NULL;
|
|
|
|
}
|
2008-11-29 21:06:34 +01:00
|
|
|
|
|
|
|
|
2009-01-23 12:10:58 +01:00
|
|
|
int wpas_wps_ssid_bss_match(struct wpa_supplicant *wpa_s,
|
|
|
|
struct wpa_ssid *ssid, struct wpa_scan_res *bss)
|
2008-11-29 21:06:34 +01:00
|
|
|
{
|
|
|
|
struct wpabuf *wps_ie;
|
|
|
|
|
|
|
|
if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS))
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
|
|
|
|
if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
|
|
|
|
if (!wps_ie) {
|
|
|
|
wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!wps_is_selected_pbc_registrar(wps_ie)) {
|
|
|
|
wpa_printf(MSG_DEBUG, " skip - WPS AP "
|
|
|
|
"without active PBC Registrar");
|
|
|
|
wpabuf_free(wps_ie);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* TODO: overlap detection */
|
|
|
|
wpa_printf(MSG_DEBUG, " selected based on WPS IE "
|
|
|
|
"(Active PBC)");
|
|
|
|
wpabuf_free(wps_ie);
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (eap_is_wps_pin_enrollee(&ssid->eap)) {
|
|
|
|
if (!wps_ie) {
|
|
|
|
wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2009-01-23 12:10:58 +01:00
|
|
|
/*
|
|
|
|
* Start with WPS APs that advertise active PIN Registrar and
|
|
|
|
* allow any WPS AP after third scan since some APs do not set
|
|
|
|
* Selected Registrar attribute properly when using external
|
|
|
|
* Registrar.
|
|
|
|
*/
|
2008-11-29 21:06:34 +01:00
|
|
|
if (!wps_is_selected_pin_registrar(wps_ie)) {
|
2009-01-23 12:10:58 +01:00
|
|
|
if (wpa_s->scan_runs < WPS_PIN_SCAN_IGNORE_SEL_REG) {
|
|
|
|
wpa_printf(MSG_DEBUG, " skip - WPS AP "
|
|
|
|
"without active PIN Registrar");
|
|
|
|
wpabuf_free(wps_ie);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
wpa_printf(MSG_DEBUG, " selected based on WPS IE");
|
|
|
|
} else {
|
|
|
|
wpa_printf(MSG_DEBUG, " selected based on WPS IE "
|
|
|
|
"(Active PIN)");
|
2008-11-29 21:06:34 +01:00
|
|
|
}
|
|
|
|
wpabuf_free(wps_ie);
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (wps_ie) {
|
|
|
|
wpa_printf(MSG_DEBUG, " selected based on WPS IE");
|
|
|
|
wpabuf_free(wps_ie);
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-01-23 12:10:58 +01:00
|
|
|
int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s,
|
|
|
|
struct wpa_ssid *ssid,
|
2008-11-29 21:06:34 +01:00
|
|
|
struct wpa_scan_res *bss)
|
|
|
|
{
|
|
|
|
struct wpabuf *wps_ie = NULL;
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
|
|
|
|
wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
|
|
|
|
if (wps_ie && wps_is_selected_pbc_registrar(wps_ie)) {
|
|
|
|
/* allow wildcard SSID for WPS PBC */
|
|
|
|
ret = 1;
|
|
|
|
}
|
|
|
|
} else if (eap_is_wps_pin_enrollee(&ssid->eap)) {
|
|
|
|
wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
|
2009-01-23 12:10:58 +01:00
|
|
|
if (wps_ie &&
|
|
|
|
(wps_is_selected_pin_registrar(wps_ie) ||
|
|
|
|
wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) {
|
2008-11-29 21:06:34 +01:00
|
|
|
/* allow wildcard SSID for WPS PIN */
|
|
|
|
ret = 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2008-12-20 21:55:02 +01:00
|
|
|
if (!ret && ssid->bssid_set &&
|
|
|
|
os_memcmp(ssid->bssid, bss->bssid, ETH_ALEN) == 0) {
|
|
|
|
/* allow wildcard SSID due to hardcoded BSSID match */
|
|
|
|
ret = 1;
|
|
|
|
}
|
|
|
|
|
2008-11-29 21:06:34 +01:00
|
|
|
wpabuf_free(wps_ie);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s,
|
|
|
|
struct wpa_scan_res *selected,
|
|
|
|
struct wpa_ssid *ssid)
|
|
|
|
{
|
|
|
|
const u8 *sel_uuid, *uuid;
|
|
|
|
size_t i;
|
|
|
|
struct wpabuf *wps_ie;
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
if (!eap_is_wps_pbc_enrollee(&ssid->eap))
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
/* Make sure that only one AP is in active PBC mode */
|
|
|
|
wps_ie = wpa_scan_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE);
|
|
|
|
if (wps_ie)
|
|
|
|
sel_uuid = wps_get_uuid_e(wps_ie);
|
|
|
|
else
|
|
|
|
sel_uuid = NULL;
|
|
|
|
|
|
|
|
for (i = 0; i < wpa_s->scan_res->num; i++) {
|
|
|
|
struct wpa_scan_res *bss = wpa_s->scan_res->res[i];
|
|
|
|
struct wpabuf *ie;
|
|
|
|
if (bss == selected)
|
|
|
|
continue;
|
|
|
|
ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
|
|
|
|
if (!ie)
|
|
|
|
continue;
|
|
|
|
if (!wps_is_selected_pbc_registrar(ie)) {
|
|
|
|
wpabuf_free(ie);
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
uuid = wps_get_uuid_e(ie);
|
2008-12-21 16:28:01 +01:00
|
|
|
if (sel_uuid == NULL || uuid == NULL ||
|
|
|
|
os_memcmp(sel_uuid, uuid, 16) != 0) {
|
2008-11-29 21:06:34 +01:00
|
|
|
ret = 1; /* PBC overlap */
|
|
|
|
wpabuf_free(ie);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* TODO: verify that this is reasonable dual-band situation */
|
2008-12-15 18:50:53 +01:00
|
|
|
|
|
|
|
wpabuf_free(ie);
|
2008-11-29 21:06:34 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
wpabuf_free(wps_ie);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
2008-12-15 19:09:57 +01:00
|
|
|
|
|
|
|
|
|
|
|
void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s)
|
|
|
|
{
|
|
|
|
size_t i;
|
|
|
|
|
|
|
|
if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED)
|
|
|
|
return;
|
|
|
|
|
|
|
|
for (i = 0; i < wpa_s->scan_res->num; i++) {
|
|
|
|
struct wpa_scan_res *bss = wpa_s->scan_res->res[i];
|
|
|
|
struct wpabuf *ie;
|
|
|
|
ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
|
|
|
|
if (!ie)
|
|
|
|
continue;
|
|
|
|
if (wps_is_selected_pbc_registrar(ie))
|
|
|
|
wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PBC);
|
|
|
|
else if (wps_is_selected_pin_registrar(ie))
|
|
|
|
wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PIN);
|
|
|
|
else
|
|
|
|
wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE);
|
|
|
|
wpabuf_free(ie);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
2008-12-20 21:55:02 +01:00
|
|
|
|
|
|
|
|
|
|
|
int wpas_wps_searching(struct wpa_supplicant *wpa_s)
|
|
|
|
{
|
|
|
|
struct wpa_ssid *ssid;
|
|
|
|
|
|
|
|
for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
|
|
|
|
if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && !ssid->disabled)
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2009-09-11 16:14:49 +02:00
|
|
|
|
|
|
|
|
|
|
|
int wpas_wps_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
|
|
|
|
char *end)
|
|
|
|
{
|
|
|
|
struct wpabuf *wps_ie;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len, WPS_DEV_OUI_WFA);
|
|
|
|
if (wps_ie == NULL)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
ret = wps_attr_text(wps_ie, buf, end);
|
|
|
|
wpabuf_free(wps_ie);
|
|
|
|
return ret;
|
|
|
|
}
|