5cd4f66095
This allows NFC Configuration Token to indicate the current AP operating channel, so that a single channel scan can be used to speed up the initial connection. Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
2746 lines
72 KiB
C
2746 lines
72 KiB
C
/*
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* wpa_supplicant / WPS integration
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* Copyright (c) 2008-2014, Jouni Malinen <j@w1.fi>
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*
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* This software may be distributed under the terms of the BSD license.
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* See README 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 "eloop.h"
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#include "uuid.h"
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#include "crypto/random.h"
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#include "crypto/dh_group5.h"
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#include "common/ieee802_11_defs.h"
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#include "common/ieee802_11_common.h"
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#include "common/wpa_common.h"
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#include "common/wpa_ctrl.h"
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#include "eap_common/eap_wsc_common.h"
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#include "eap_peer/eap.h"
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#include "eapol_supp/eapol_supp_sm.h"
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#include "rsn_supp/wpa.h"
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#include "wps/wps_attr_parse.h"
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#include "config.h"
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#include "wpa_supplicant_i.h"
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#include "driver_i.h"
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#include "notify.h"
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#include "blacklist.h"
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#include "bss.h"
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#include "scan.h"
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#include "ap.h"
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#include "p2p/p2p.h"
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#include "p2p_supplicant.h"
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#include "wps_supplicant.h"
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#ifndef WPS_PIN_SCAN_IGNORE_SEL_REG
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#define WPS_PIN_SCAN_IGNORE_SEL_REG 3
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#endif /* WPS_PIN_SCAN_IGNORE_SEL_REG */
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static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx);
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static void wpas_clear_wps(struct wpa_supplicant *wpa_s);
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static void wpas_wps_clear_ap_info(struct wpa_supplicant *wpa_s)
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{
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os_free(wpa_s->wps_ap);
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wpa_s->wps_ap = NULL;
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wpa_s->num_wps_ap = 0;
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wpa_s->wps_ap_iter = 0;
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}
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int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s)
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{
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#ifdef CONFIG_P2P
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if (wpas_p2p_wps_eapol_cb(wpa_s) > 0)
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return 1;
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#endif /* CONFIG_P2P */
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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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wpas_wps_clear_ap_info(wpa_s);
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eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
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if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && !wpa_s->wps_success)
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wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL);
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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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int disabled = wpa_s->current_ssid->disabled;
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unsigned int freq = wpa_s->assoc_freq;
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struct wpa_bss *bss;
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struct wpa_ssid *ssid = NULL;
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int use_fast_assoc = 0;
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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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"(freq=%u)", freq);
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wpa_supplicant_deauthenticate(wpa_s,
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WLAN_REASON_DEAUTH_LEAVING);
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if (disabled) {
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wpa_printf(MSG_DEBUG, "WPS: Current network is "
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"disabled - wait for user to enable");
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return 1;
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}
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wpa_s->after_wps = 5;
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wpa_s->wps_freq = freq;
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wpa_s->normal_scans = 0;
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wpa_s->reassociate = 1;
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wpa_printf(MSG_DEBUG, "WPS: Checking whether fast association "
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"without a new scan can be used");
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bss = wpa_supplicant_pick_network(wpa_s, &ssid);
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if (bss) {
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struct wpabuf *wps;
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struct wps_parse_attr attr;
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wps = wpa_bss_get_vendor_ie_multi(bss,
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WPS_IE_VENDOR_TYPE);
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if (wps && wps_parse_msg(wps, &attr) == 0 &&
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attr.wps_state &&
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*attr.wps_state == WPS_STATE_CONFIGURED)
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use_fast_assoc = 1;
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wpabuf_free(wps);
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}
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if (!use_fast_assoc ||
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wpa_supplicant_fast_associate(wpa_s) != 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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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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return 0;
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}
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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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struct wpa_bss *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 (ssid->ssid == NULL)
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return;
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bss = wpa_bss_get(wpa_s, cred->mac_addr, ssid->ssid, ssid->ssid_len);
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if (bss == NULL) {
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wpa_printf(MSG_DEBUG, "WPS: The AP was not found from BSS "
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"table - use credential as-is");
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return;
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}
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wpa_printf(MSG_DEBUG, "WPS: AP found from BSS table");
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ie = wpa_bss_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_bss_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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static void wpas_wps_remove_dup_network(struct wpa_supplicant *wpa_s,
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struct wpa_ssid *new_ssid)
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{
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struct wpa_ssid *ssid, *next;
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for (ssid = wpa_s->conf->ssid, next = ssid ? ssid->next : NULL; ssid;
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ssid = next, next = ssid ? ssid->next : NULL) {
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/*
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* new_ssid has already been added to the list in
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* wpas_wps_add_network(), so skip it.
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*/
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if (ssid == new_ssid)
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continue;
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if (ssid->bssid_set || new_ssid->bssid_set) {
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if (ssid->bssid_set != new_ssid->bssid_set)
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continue;
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if (os_memcmp(ssid->bssid, new_ssid->bssid, ETH_ALEN) !=
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0)
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continue;
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}
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/* compare SSID */
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if (ssid->ssid_len == 0 || ssid->ssid_len != new_ssid->ssid_len)
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continue;
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if (ssid->ssid && new_ssid->ssid) {
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if (os_memcmp(ssid->ssid, new_ssid->ssid,
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ssid->ssid_len) != 0)
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continue;
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} else if (ssid->ssid || new_ssid->ssid)
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continue;
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/* compare security parameters */
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if (ssid->auth_alg != new_ssid->auth_alg ||
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ssid->key_mgmt != new_ssid->key_mgmt ||
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ssid->proto != new_ssid->proto ||
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ssid->pairwise_cipher != new_ssid->pairwise_cipher ||
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ssid->group_cipher != new_ssid->group_cipher)
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continue;
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/* Remove the duplicated older network entry. */
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wpa_printf(MSG_DEBUG, "Remove duplicate network %d", ssid->id);
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wpas_notify_network_removed(wpa_s, ssid);
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wpa_config_remove_network(wpa_s->conf, ssid->id);
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}
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}
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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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{
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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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u8 key_idx = 0;
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u16 auth_type;
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#ifdef CONFIG_WPS_REG_DISABLE_OPEN
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int registrar = 0;
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#endif /* CONFIG_WPS_REG_DISABLE_OPEN */
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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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wpas_notify_wps_credential(wpa_s, cred);
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} else
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wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CRED_RECEIVED);
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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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if (wpa_s->conf->wps_cred_processing == 1)
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return 0;
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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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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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wpa_printf(MSG_DEBUG, "WPS: Ignored credentials for "
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"unsupported authentication type 0x%x",
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auth_type);
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return 0;
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}
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if (auth_type == WPS_AUTH_WPAPSK || auth_type == WPS_AUTH_WPA2PSK) {
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if (cred->key_len < 8 || cred->key_len > 2 * PMK_LEN) {
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wpa_printf(MSG_ERROR, "WPS: Reject PSK credential with "
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"invalid Network Key length %lu",
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(unsigned long) cred->key_len);
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return -1;
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}
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}
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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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#ifdef CONFIG_WPS_REG_DISABLE_OPEN
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if (ssid->eap.identity &&
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ssid->eap.identity_len == WSC_ID_REGISTRAR_LEN &&
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os_memcmp(ssid->eap.identity, WSC_ID_REGISTRAR,
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WSC_ID_REGISTRAR_LEN) == 0)
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registrar = 1;
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#endif /* CONFIG_WPS_REG_DISABLE_OPEN */
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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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if (!ssid->p2p_group) {
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ssid->temporary = 0;
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ssid->bssid_set = 0;
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}
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ssid->disabled_until.sec = 0;
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ssid->disabled_until.usec = 0;
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ssid->auth_failures = 0;
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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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wpas_notify_network_added(wpa_s, ssid);
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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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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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if (cred->key_idx > NUM_WEP_KEYS) {
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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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if (cred->key_idx)
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key_idx = cred->key_idx - 1;
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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,
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cred->key_len);
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ssid->wep_key_len[key_idx] = cred->key_len;
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}
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ssid->wep_tx_keyidx = key_idx;
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break;
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case WPS_ENCR_TKIP:
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ssid->pairwise_cipher = WPA_CIPHER_TKIP;
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break;
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case WPS_ENCR_AES:
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ssid->pairwise_cipher = WPA_CIPHER_CCMP;
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break;
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}
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switch (auth_type) {
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case WPS_AUTH_OPEN:
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ssid->auth_alg = WPA_AUTH_ALG_OPEN;
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ssid->key_mgmt = WPA_KEY_MGMT_NONE;
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ssid->proto = 0;
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#ifdef CONFIG_WPS_REG_DISABLE_OPEN
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if (registrar) {
|
|
wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OPEN_NETWORK
|
|
"id=%d - Credentials for an open "
|
|
"network disabled by default - use "
|
|
"'select_network %d' to enable",
|
|
ssid->id, ssid->id);
|
|
ssid->disabled = 1;
|
|
}
|
|
#endif /* CONFIG_WPS_REG_DISABLE_OPEN */
|
|
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_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;
|
|
ssid->export_keys = 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);
|
|
ssid->export_keys = 1;
|
|
} else {
|
|
wpa_printf(MSG_ERROR, "WPS: Invalid Network Key "
|
|
"length %lu",
|
|
(unsigned long) cred->key_len);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
wpas_wps_security_workaround(wpa_s, ssid, cred);
|
|
|
|
if (cred->ap_channel)
|
|
wpa_s->wps_ap_channel = cred->ap_channel;
|
|
|
|
wpas_wps_remove_dup_network(wpa_s, ssid);
|
|
|
|
#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 */
|
|
|
|
/*
|
|
* Optimize the post-WPS scan based on the channel used during
|
|
* the provisioning in case EAP-Failure is not received.
|
|
*/
|
|
wpa_s->after_wps = 5;
|
|
wpa_s->wps_freq = wpa_s->assoc_freq;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
#ifdef CONFIG_P2P
|
|
static void wpas_wps_pbc_overlap_cb(void *eloop_ctx, void *timeout_ctx)
|
|
{
|
|
struct wpa_supplicant *wpa_s = eloop_ctx;
|
|
wpas_p2p_notif_pbc_overlap(wpa_s);
|
|
}
|
|
#endif /* CONFIG_P2P */
|
|
|
|
|
|
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);
|
|
wpas_notify_wps_event_m2d(wpa_s, m2d);
|
|
#ifdef CONFIG_P2P
|
|
if (wpa_s->parent && wpa_s->parent != wpa_s) {
|
|
wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_M2D
|
|
"dev_password_id=%d config_error=%d",
|
|
m2d->dev_password_id, m2d->config_error);
|
|
}
|
|
if (m2d->config_error == WPS_CFG_MULTIPLE_PBC_DETECTED) {
|
|
/*
|
|
* Notify P2P from eloop timeout to avoid issues with the
|
|
* interface getting removed while processing a message.
|
|
*/
|
|
eloop_register_timeout(0, 0, wpas_wps_pbc_overlap_cb, wpa_s,
|
|
NULL);
|
|
}
|
|
#endif /* CONFIG_P2P */
|
|
}
|
|
|
|
|
|
static void wpas_wps_clear_timeout(void *eloop_ctx, void *timeout_ctx)
|
|
{
|
|
struct wpa_supplicant *wpa_s = eloop_ctx;
|
|
wpa_printf(MSG_DEBUG, "WPS: Clear WPS network from timeout");
|
|
wpas_clear_wps(wpa_s);
|
|
}
|
|
|
|
|
|
static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s,
|
|
struct wps_event_fail *fail)
|
|
{
|
|
if (fail->error_indication > 0 &&
|
|
fail->error_indication < NUM_WPS_EI_VALUES) {
|
|
wpa_msg(wpa_s, MSG_INFO,
|
|
WPS_EVENT_FAIL "msg=%d config_error=%d reason=%d (%s)",
|
|
fail->msg, fail->config_error, fail->error_indication,
|
|
wps_ei_str(fail->error_indication));
|
|
if (wpa_s->parent && wpa_s->parent != wpa_s)
|
|
wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
|
|
"msg=%d config_error=%d reason=%d (%s)",
|
|
fail->msg, fail->config_error,
|
|
fail->error_indication,
|
|
wps_ei_str(fail->error_indication));
|
|
} else {
|
|
wpa_msg(wpa_s, MSG_INFO,
|
|
WPS_EVENT_FAIL "msg=%d config_error=%d",
|
|
fail->msg, fail->config_error);
|
|
if (wpa_s->parent && wpa_s->parent != wpa_s)
|
|
wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
|
|
"msg=%d config_error=%d",
|
|
fail->msg, fail->config_error);
|
|
}
|
|
|
|
/*
|
|
* Need to allow WPS processing to complete, e.g., by sending WSC_NACK.
|
|
*/
|
|
wpa_printf(MSG_DEBUG, "WPS: Register timeout to clear WPS network");
|
|
eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL);
|
|
eloop_register_timeout(0, 100000, wpas_wps_clear_timeout, wpa_s, NULL);
|
|
|
|
wpas_notify_wps_event_fail(wpa_s, fail);
|
|
#ifdef CONFIG_P2P
|
|
wpas_p2p_wps_failed(wpa_s, fail);
|
|
#endif /* CONFIG_P2P */
|
|
}
|
|
|
|
|
|
static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx);
|
|
|
|
static void wpas_wps_reenable_networks(struct wpa_supplicant *wpa_s)
|
|
{
|
|
struct wpa_ssid *ssid;
|
|
int changed = 0;
|
|
|
|
eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL);
|
|
|
|
for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
|
|
if (ssid->disabled_for_connect && ssid->disabled) {
|
|
ssid->disabled_for_connect = 0;
|
|
ssid->disabled = 0;
|
|
wpas_notify_network_enabled_changed(wpa_s, ssid);
|
|
changed++;
|
|
}
|
|
}
|
|
|
|
if (changed) {
|
|
#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");
|
|
}
|
|
#endif /* CONFIG_NO_CONFIG_WRITE */
|
|
}
|
|
}
|
|
|
|
|
|
static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx)
|
|
{
|
|
struct wpa_supplicant *wpa_s = eloop_ctx;
|
|
/* Enable the networks disabled during wpas_wps_reassoc */
|
|
wpas_wps_reenable_networks(wpa_s);
|
|
}
|
|
|
|
|
|
static void wpa_supplicant_wps_event_success(struct wpa_supplicant *wpa_s)
|
|
{
|
|
wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS);
|
|
wpa_s->wps_success = 1;
|
|
wpas_notify_wps_event_success(wpa_s);
|
|
if (wpa_s->current_ssid)
|
|
wpas_clear_temp_disabled(wpa_s, wpa_s->current_ssid, 1);
|
|
wpa_s->extra_blacklist_count = 0;
|
|
|
|
/*
|
|
* Enable the networks disabled during wpas_wps_reassoc after 10
|
|
* seconds. The 10 seconds timer is to allow the data connection to be
|
|
* formed before allowing other networks to be selected.
|
|
*/
|
|
eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s,
|
|
NULL);
|
|
|
|
#ifdef CONFIG_P2P
|
|
wpas_p2p_wps_success(wpa_s, wpa_s->bssid, 0);
|
|
#endif /* CONFIG_P2P */
|
|
}
|
|
|
|
|
|
static void wpa_supplicant_wps_event_er_ap_add(struct wpa_supplicant *wpa_s,
|
|
struct wps_event_er_ap *ap)
|
|
{
|
|
char uuid_str[100];
|
|
char dev_type[WPS_DEV_TYPE_BUFSIZE];
|
|
|
|
uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str));
|
|
if (ap->pri_dev_type)
|
|
wps_dev_type_bin2str(ap->pri_dev_type, dev_type,
|
|
sizeof(dev_type));
|
|
else
|
|
dev_type[0] = '\0';
|
|
|
|
wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_ADD "%s " MACSTR
|
|
" pri_dev_type=%s wps_state=%d |%s|%s|%s|%s|%s|%s|",
|
|
uuid_str, MAC2STR(ap->mac_addr), dev_type, ap->wps_state,
|
|
ap->friendly_name ? ap->friendly_name : "",
|
|
ap->manufacturer ? ap->manufacturer : "",
|
|
ap->model_description ? ap->model_description : "",
|
|
ap->model_name ? ap->model_name : "",
|
|
ap->manufacturer_url ? ap->manufacturer_url : "",
|
|
ap->model_url ? ap->model_url : "");
|
|
}
|
|
|
|
|
|
static void wpa_supplicant_wps_event_er_ap_remove(struct wpa_supplicant *wpa_s,
|
|
struct wps_event_er_ap *ap)
|
|
{
|
|
char uuid_str[100];
|
|
uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str));
|
|
wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_REMOVE "%s", uuid_str);
|
|
}
|
|
|
|
|
|
static void wpa_supplicant_wps_event_er_enrollee_add(
|
|
struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee)
|
|
{
|
|
char uuid_str[100];
|
|
char dev_type[WPS_DEV_TYPE_BUFSIZE];
|
|
|
|
uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str));
|
|
if (enrollee->pri_dev_type)
|
|
wps_dev_type_bin2str(enrollee->pri_dev_type, dev_type,
|
|
sizeof(dev_type));
|
|
else
|
|
dev_type[0] = '\0';
|
|
|
|
wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_ADD "%s " MACSTR
|
|
" M1=%d config_methods=0x%x dev_passwd_id=%d pri_dev_type=%s "
|
|
"|%s|%s|%s|%s|%s|",
|
|
uuid_str, MAC2STR(enrollee->mac_addr), enrollee->m1_received,
|
|
enrollee->config_methods, enrollee->dev_passwd_id, dev_type,
|
|
enrollee->dev_name ? enrollee->dev_name : "",
|
|
enrollee->manufacturer ? enrollee->manufacturer : "",
|
|
enrollee->model_name ? enrollee->model_name : "",
|
|
enrollee->model_number ? enrollee->model_number : "",
|
|
enrollee->serial_number ? enrollee->serial_number : "");
|
|
}
|
|
|
|
|
|
static void wpa_supplicant_wps_event_er_enrollee_remove(
|
|
struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee)
|
|
{
|
|
char uuid_str[100];
|
|
uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str));
|
|
wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_REMOVE "%s " MACSTR,
|
|
uuid_str, MAC2STR(enrollee->mac_addr));
|
|
}
|
|
|
|
|
|
static void wpa_supplicant_wps_event_er_ap_settings(
|
|
struct wpa_supplicant *wpa_s,
|
|
struct wps_event_er_ap_settings *ap_settings)
|
|
{
|
|
char uuid_str[100];
|
|
char key_str[65];
|
|
const struct wps_credential *cred = ap_settings->cred;
|
|
|
|
key_str[0] = '\0';
|
|
if (cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
|
|
if (cred->key_len >= 8 && cred->key_len <= 64) {
|
|
os_memcpy(key_str, cred->key, cred->key_len);
|
|
key_str[cred->key_len] = '\0';
|
|
}
|
|
}
|
|
|
|
uuid_bin2str(ap_settings->uuid, uuid_str, sizeof(uuid_str));
|
|
/* Use wpa_msg_ctrl to avoid showing the key in debug log */
|
|
wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_SETTINGS
|
|
"uuid=%s ssid=%s auth_type=0x%04x encr_type=0x%04x "
|
|
"key=%s",
|
|
uuid_str, wpa_ssid_txt(cred->ssid, cred->ssid_len),
|
|
cred->auth_type, cred->encr_type, key_str);
|
|
}
|
|
|
|
|
|
static void wpa_supplicant_wps_event_er_set_sel_reg(
|
|
struct wpa_supplicant *wpa_s,
|
|
struct wps_event_er_set_selected_registrar *ev)
|
|
{
|
|
char uuid_str[100];
|
|
|
|
uuid_bin2str(ev->uuid, uuid_str, sizeof(uuid_str));
|
|
switch (ev->state) {
|
|
case WPS_ER_SET_SEL_REG_START:
|
|
wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG
|
|
"uuid=%s state=START sel_reg=%d dev_passwd_id=%u "
|
|
"sel_reg_config_methods=0x%x",
|
|
uuid_str, ev->sel_reg, ev->dev_passwd_id,
|
|
ev->sel_reg_config_methods);
|
|
break;
|
|
case WPS_ER_SET_SEL_REG_DONE:
|
|
wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG
|
|
"uuid=%s state=DONE", uuid_str);
|
|
break;
|
|
case WPS_ER_SET_SEL_REG_FAILED:
|
|
wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_SET_SEL_REG
|
|
"uuid=%s state=FAILED", uuid_str);
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
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;
|
|
case WPS_EV_FAIL:
|
|
wpa_supplicant_wps_event_fail(wpa_s, &data->fail);
|
|
break;
|
|
case WPS_EV_SUCCESS:
|
|
wpa_supplicant_wps_event_success(wpa_s);
|
|
break;
|
|
case WPS_EV_PWD_AUTH_FAIL:
|
|
#ifdef CONFIG_AP
|
|
if (wpa_s->ap_iface && data->pwd_auth_fail.enrollee)
|
|
wpa_supplicant_ap_pwd_auth_fail(wpa_s);
|
|
#endif /* CONFIG_AP */
|
|
break;
|
|
case WPS_EV_PBC_OVERLAP:
|
|
break;
|
|
case WPS_EV_PBC_TIMEOUT:
|
|
break;
|
|
case WPS_EV_PBC_ACTIVE:
|
|
wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ACTIVE);
|
|
break;
|
|
case WPS_EV_PBC_DISABLE:
|
|
wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_DISABLE);
|
|
break;
|
|
case WPS_EV_ER_AP_ADD:
|
|
wpa_supplicant_wps_event_er_ap_add(wpa_s, &data->ap);
|
|
break;
|
|
case WPS_EV_ER_AP_REMOVE:
|
|
wpa_supplicant_wps_event_er_ap_remove(wpa_s, &data->ap);
|
|
break;
|
|
case WPS_EV_ER_ENROLLEE_ADD:
|
|
wpa_supplicant_wps_event_er_enrollee_add(wpa_s,
|
|
&data->enrollee);
|
|
break;
|
|
case WPS_EV_ER_ENROLLEE_REMOVE:
|
|
wpa_supplicant_wps_event_er_enrollee_remove(wpa_s,
|
|
&data->enrollee);
|
|
break;
|
|
case WPS_EV_ER_AP_SETTINGS:
|
|
wpa_supplicant_wps_event_er_ap_settings(wpa_s,
|
|
&data->ap_settings);
|
|
break;
|
|
case WPS_EV_ER_SET_SELECTED_REGISTRAR:
|
|
wpa_supplicant_wps_event_er_set_sel_reg(wpa_s,
|
|
&data->set_sel_reg);
|
|
break;
|
|
case WPS_EV_AP_PIN_SUCCESS:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
static int wpa_supplicant_wps_rf_band(void *ctx)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
|
|
if (!wpa_s->current_ssid || !wpa_s->assoc_freq)
|
|
return 0;
|
|
|
|
return (wpa_s->assoc_freq > 2484) ? WPS_RF_50GHZ : WPS_RF_24GHZ;
|
|
}
|
|
|
|
|
|
enum wps_request_type wpas_wps_get_req_type(struct wpa_ssid *ssid)
|
|
{
|
|
if (eap_is_wps_pbc_enrollee(&ssid->eap) ||
|
|
eap_is_wps_pin_enrollee(&ssid->eap))
|
|
return WPS_REQ_ENROLLEE;
|
|
else
|
|
return WPS_REQ_REGISTRAR;
|
|
}
|
|
|
|
|
|
static void wpas_clear_wps(struct wpa_supplicant *wpa_s)
|
|
{
|
|
int id;
|
|
struct wpa_ssid *ssid, *remove_ssid = NULL, *prev_current;
|
|
|
|
wpa_s->after_wps = 0;
|
|
wpa_s->known_wps_freq = 0;
|
|
|
|
prev_current = wpa_s->current_ssid;
|
|
|
|
/* Enable the networks disabled during wpas_wps_reassoc */
|
|
wpas_wps_reenable_networks(wpa_s);
|
|
|
|
eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
|
|
eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL);
|
|
|
|
/* Remove any existing WPS network from configuration */
|
|
ssid = wpa_s->conf->ssid;
|
|
while (ssid) {
|
|
if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
|
|
if (ssid == wpa_s->current_ssid) {
|
|
wpa_supplicant_deauthenticate(
|
|
wpa_s, WLAN_REASON_DEAUTH_LEAVING);
|
|
}
|
|
id = ssid->id;
|
|
remove_ssid = ssid;
|
|
} else
|
|
id = -1;
|
|
ssid = ssid->next;
|
|
if (id >= 0) {
|
|
if (prev_current == remove_ssid) {
|
|
wpa_sm_set_config(wpa_s->wpa, NULL);
|
|
eapol_sm_notify_config(wpa_s->eapol, NULL,
|
|
NULL);
|
|
}
|
|
wpas_notify_network_removed(wpa_s, remove_ssid);
|
|
wpa_config_remove_network(wpa_s->conf, id);
|
|
}
|
|
}
|
|
|
|
wpas_wps_clear_ap_info(wpa_s);
|
|
}
|
|
|
|
|
|
static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx)
|
|
{
|
|
struct wpa_supplicant *wpa_s = eloop_ctx;
|
|
wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed "
|
|
"out");
|
|
wpas_clear_wps(wpa_s);
|
|
}
|
|
|
|
|
|
static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s,
|
|
int registrar, const u8 *dev_addr,
|
|
const u8 *bssid)
|
|
{
|
|
struct wpa_ssid *ssid;
|
|
|
|
ssid = wpa_config_add_network(wpa_s->conf);
|
|
if (ssid == NULL)
|
|
return NULL;
|
|
wpas_notify_network_added(wpa_s, ssid);
|
|
wpa_config_set_network_defaults(ssid);
|
|
ssid->temporary = 1;
|
|
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) {
|
|
wpas_notify_network_removed(wpa_s, ssid);
|
|
wpa_config_remove_network(wpa_s->conf, ssid->id);
|
|
return NULL;
|
|
}
|
|
|
|
#ifdef CONFIG_P2P
|
|
if (dev_addr)
|
|
os_memcpy(ssid->go_p2p_dev_addr, dev_addr, ETH_ALEN);
|
|
#endif /* CONFIG_P2P */
|
|
|
|
if (bssid) {
|
|
#ifndef CONFIG_P2P
|
|
struct wpa_bss *bss;
|
|
int count = 0;
|
|
#endif /* CONFIG_P2P */
|
|
|
|
os_memcpy(ssid->bssid, bssid, ETH_ALEN);
|
|
ssid->bssid_set = 1;
|
|
|
|
/*
|
|
* Note: With P2P, the SSID may change at the time the WPS
|
|
* provisioning is started, so better not filter the AP based
|
|
* on the current SSID in the scan results.
|
|
*/
|
|
#ifndef CONFIG_P2P
|
|
dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
|
|
if (os_memcmp(bssid, bss->bssid, ETH_ALEN) != 0)
|
|
continue;
|
|
|
|
os_free(ssid->ssid);
|
|
ssid->ssid = os_malloc(bss->ssid_len);
|
|
if (ssid->ssid == NULL)
|
|
break;
|
|
os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len);
|
|
ssid->ssid_len = bss->ssid_len;
|
|
wpa_hexdump_ascii(MSG_DEBUG, "WPS: Picked SSID from "
|
|
"scan results",
|
|
ssid->ssid, ssid->ssid_len);
|
|
count++;
|
|
}
|
|
|
|
if (count > 1) {
|
|
wpa_printf(MSG_DEBUG, "WPS: More than one SSID found "
|
|
"for the AP; use wildcard");
|
|
os_free(ssid->ssid);
|
|
ssid->ssid = NULL;
|
|
ssid->ssid_len = 0;
|
|
}
|
|
#endif /* CONFIG_P2P */
|
|
}
|
|
|
|
return ssid;
|
|
}
|
|
|
|
|
|
static void wpas_wps_temp_disable(struct wpa_supplicant *wpa_s,
|
|
struct wpa_ssid *selected)
|
|
{
|
|
struct wpa_ssid *ssid;
|
|
|
|
if (wpa_s->current_ssid)
|
|
wpa_supplicant_deauthenticate(
|
|
wpa_s, WLAN_REASON_DEAUTH_LEAVING);
|
|
|
|
/* Mark all other networks disabled and trigger reassociation */
|
|
ssid = wpa_s->conf->ssid;
|
|
while (ssid) {
|
|
int was_disabled = ssid->disabled;
|
|
ssid->disabled_for_connect = 0;
|
|
/*
|
|
* In case the network object corresponds to a persistent group
|
|
* then do not send out network disabled signal. In addition,
|
|
* do not change disabled status of persistent network objects
|
|
* from 2 to 1 should we connect to another network.
|
|
*/
|
|
if (was_disabled != 2) {
|
|
ssid->disabled = ssid != selected;
|
|
if (was_disabled != ssid->disabled) {
|
|
if (ssid->disabled)
|
|
ssid->disabled_for_connect = 1;
|
|
wpas_notify_network_enabled_changed(wpa_s,
|
|
ssid);
|
|
}
|
|
}
|
|
ssid = ssid->next;
|
|
}
|
|
}
|
|
|
|
|
|
static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s,
|
|
struct wpa_ssid *selected, const u8 *bssid)
|
|
{
|
|
struct wpa_bss *bss;
|
|
|
|
wpa_s->after_wps = 0;
|
|
wpa_s->known_wps_freq = 0;
|
|
if (bssid) {
|
|
bss = wpa_bss_get_bssid_latest(wpa_s, bssid);
|
|
if (bss && bss->freq > 0) {
|
|
wpa_s->known_wps_freq = 1;
|
|
wpa_s->wps_freq = bss->freq;
|
|
}
|
|
}
|
|
|
|
wpas_wps_temp_disable(wpa_s, selected);
|
|
|
|
wpa_s->disconnected = 0;
|
|
wpa_s->reassociate = 1;
|
|
wpa_s->scan_runs = 0;
|
|
wpa_s->normal_scans = 0;
|
|
wpa_s->wps_success = 0;
|
|
wpa_s->blacklist_cleared = 0;
|
|
|
|
wpa_supplicant_cancel_sched_scan(wpa_s);
|
|
wpa_supplicant_req_scan(wpa_s, 0, 0);
|
|
}
|
|
|
|
|
|
int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
|
|
int p2p_group)
|
|
{
|
|
struct wpa_ssid *ssid;
|
|
wpas_clear_wps(wpa_s);
|
|
ssid = wpas_wps_add_network(wpa_s, 0, NULL, bssid);
|
|
if (ssid == NULL)
|
|
return -1;
|
|
ssid->temporary = 1;
|
|
ssid->p2p_group = p2p_group;
|
|
#ifdef CONFIG_P2P
|
|
if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) {
|
|
ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1);
|
|
if (ssid->ssid) {
|
|
ssid->ssid_len = wpa_s->go_params->ssid_len;
|
|
os_memcpy(ssid->ssid, wpa_s->go_params->ssid,
|
|
ssid->ssid_len);
|
|
wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP "
|
|
"SSID", ssid->ssid, ssid->ssid_len);
|
|
}
|
|
}
|
|
#endif /* CONFIG_P2P */
|
|
if (wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0) < 0)
|
|
return -1;
|
|
if (wpa_s->wps_fragment_size)
|
|
ssid->eap.fragment_size = wpa_s->wps_fragment_size;
|
|
eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
|
|
wpa_s, NULL);
|
|
wpas_wps_reassoc(wpa_s, ssid, bssid);
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int wpas_wps_start_dev_pw(struct wpa_supplicant *wpa_s,
|
|
const u8 *dev_addr, const u8 *bssid,
|
|
const char *pin, int p2p_group, u16 dev_pw_id,
|
|
const u8 *peer_pubkey_hash,
|
|
const u8 *ssid_val, size_t ssid_len)
|
|
{
|
|
struct wpa_ssid *ssid;
|
|
char val[128 + 2 * WPS_OOB_PUBKEY_HASH_LEN];
|
|
unsigned int rpin = 0;
|
|
char hash[2 * WPS_OOB_PUBKEY_HASH_LEN + 10];
|
|
|
|
wpas_clear_wps(wpa_s);
|
|
if (bssid && is_zero_ether_addr(bssid))
|
|
bssid = NULL;
|
|
ssid = wpas_wps_add_network(wpa_s, 0, dev_addr, bssid);
|
|
if (ssid == NULL) {
|
|
wpa_printf(MSG_DEBUG, "WPS: Could not add network");
|
|
return -1;
|
|
}
|
|
ssid->temporary = 1;
|
|
ssid->p2p_group = p2p_group;
|
|
if (ssid_val) {
|
|
ssid->ssid = os_malloc(ssid_len);
|
|
if (ssid->ssid) {
|
|
os_memcpy(ssid->ssid, ssid_val, ssid_len);
|
|
ssid->ssid_len = ssid_len;
|
|
}
|
|
}
|
|
if (peer_pubkey_hash) {
|
|
os_memcpy(hash, " pkhash=", 8);
|
|
wpa_snprintf_hex_uppercase(hash + 8, sizeof(hash) - 8,
|
|
peer_pubkey_hash,
|
|
WPS_OOB_PUBKEY_HASH_LEN);
|
|
} else {
|
|
hash[0] = '\0';
|
|
}
|
|
#ifdef CONFIG_P2P
|
|
if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) {
|
|
ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1);
|
|
if (ssid->ssid) {
|
|
ssid->ssid_len = wpa_s->go_params->ssid_len;
|
|
os_memcpy(ssid->ssid, wpa_s->go_params->ssid,
|
|
ssid->ssid_len);
|
|
wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP "
|
|
"SSID", ssid->ssid, ssid->ssid_len);
|
|
}
|
|
}
|
|
#endif /* CONFIG_P2P */
|
|
if (pin)
|
|
os_snprintf(val, sizeof(val), "\"pin=%s dev_pw_id=%u%s\"",
|
|
pin, dev_pw_id, hash);
|
|
else if (pin == NULL && dev_pw_id == DEV_PW_NFC_CONNECTION_HANDOVER) {
|
|
os_snprintf(val, sizeof(val), "\"dev_pw_id=%u%s\"",
|
|
dev_pw_id, hash);
|
|
} else {
|
|
rpin = wps_generate_pin();
|
|
os_snprintf(val, sizeof(val), "\"pin=%08d dev_pw_id=%u%s\"",
|
|
rpin, dev_pw_id, hash);
|
|
}
|
|
if (wpa_config_set(ssid, "phase1", val, 0) < 0) {
|
|
wpa_printf(MSG_DEBUG, "WPS: Failed to set phase1 '%s'", val);
|
|
return -1;
|
|
}
|
|
if (wpa_s->wps_fragment_size)
|
|
ssid->eap.fragment_size = wpa_s->wps_fragment_size;
|
|
eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
|
|
wpa_s, NULL);
|
|
wpa_s->wps_ap_iter = 1;
|
|
wpas_wps_reassoc(wpa_s, ssid, bssid);
|
|
return rpin;
|
|
}
|
|
|
|
|
|
int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
|
|
const char *pin, int p2p_group, u16 dev_pw_id)
|
|
{
|
|
return wpas_wps_start_dev_pw(wpa_s, NULL, bssid, pin, p2p_group,
|
|
dev_pw_id, NULL, NULL, 0);
|
|
}
|
|
|
|
|
|
/* Cancel the wps pbc/pin requests */
|
|
int wpas_wps_cancel(struct wpa_supplicant *wpa_s)
|
|
{
|
|
#ifdef CONFIG_AP
|
|
if (wpa_s->ap_iface) {
|
|
wpa_printf(MSG_DEBUG, "WPS: Cancelling in AP mode");
|
|
return wpa_supplicant_ap_wps_cancel(wpa_s);
|
|
}
|
|
#endif /* CONFIG_AP */
|
|
|
|
if (wpa_s->wpa_state == WPA_SCANNING ||
|
|
wpa_s->wpa_state == WPA_DISCONNECTED) {
|
|
wpa_printf(MSG_DEBUG, "WPS: Cancel operation - cancel scan");
|
|
wpa_supplicant_cancel_scan(wpa_s);
|
|
wpas_clear_wps(wpa_s);
|
|
} else if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
|
|
wpa_printf(MSG_DEBUG, "WPS: Cancel operation - "
|
|
"deauthenticate");
|
|
wpa_supplicant_deauthenticate(wpa_s,
|
|
WLAN_REASON_DEAUTH_LEAVING);
|
|
wpas_clear_wps(wpa_s);
|
|
} else {
|
|
wpas_wps_reenable_networks(wpa_s);
|
|
wpas_wps_clear_ap_info(wpa_s);
|
|
if (eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL) >
|
|
0)
|
|
wpas_clear_wps(wpa_s);
|
|
}
|
|
|
|
wpa_s->after_wps = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid,
|
|
const char *pin, struct wps_new_ap_settings *settings)
|
|
{
|
|
struct wpa_ssid *ssid;
|
|
char val[200];
|
|
char *pos, *end;
|
|
int res;
|
|
|
|
if (!pin)
|
|
return -1;
|
|
wpas_clear_wps(wpa_s);
|
|
ssid = wpas_wps_add_network(wpa_s, 1, NULL, bssid);
|
|
if (ssid == NULL)
|
|
return -1;
|
|
ssid->temporary = 1;
|
|
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;
|
|
if (wpa_config_set(ssid, "phase1", val, 0) < 0)
|
|
return -1;
|
|
if (wpa_s->wps_fragment_size)
|
|
ssid->eap.fragment_size = wpa_s->wps_fragment_size;
|
|
eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
|
|
wpa_s, NULL);
|
|
wpas_wps_reassoc(wpa_s, ssid, bssid);
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr,
|
|
const u8 *p2p_dev_addr, const u8 *psk,
|
|
size_t psk_len)
|
|
{
|
|
if (is_zero_ether_addr(p2p_dev_addr)) {
|
|
wpa_printf(MSG_DEBUG,
|
|
"Received new WPA/WPA2-PSK from WPS for STA " MACSTR,
|
|
MAC2STR(mac_addr));
|
|
} else {
|
|
wpa_printf(MSG_DEBUG,
|
|
"Received new WPA/WPA2-PSK from WPS for STA " MACSTR
|
|
" P2P Device Addr " MACSTR,
|
|
MAC2STR(mac_addr), MAC2STR(p2p_dev_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;
|
|
char devtype[WPS_DEV_TYPE_BUFSIZE];
|
|
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|%s]",
|
|
uuid, MAC2STR(dev->mac_addr), dev->device_name,
|
|
dev->manufacturer, dev->model_name,
|
|
dev->model_number, dev->serial_number,
|
|
wps_dev_type_bin2str(dev->pri_dev_type, devtype,
|
|
sizeof(devtype)));
|
|
if (len > 0 && len < (int) sizeof(txt))
|
|
wpa_printf(MSG_INFO, "%s", txt);
|
|
}
|
|
|
|
|
|
static void wpas_wps_set_sel_reg_cb(void *ctx, int sel_reg, u16 dev_passwd_id,
|
|
u16 sel_reg_config_methods)
|
|
{
|
|
#ifdef CONFIG_WPS_ER
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
|
|
if (wpa_s->wps_er == NULL)
|
|
return;
|
|
wpa_printf(MSG_DEBUG, "WPS ER: SetSelectedRegistrar - sel_reg=%d "
|
|
"dev_password_id=%u sel_reg_config_methods=0x%x",
|
|
sel_reg, dev_passwd_id, sel_reg_config_methods);
|
|
wps_er_set_sel_reg(wpa_s->wps_er, sel_reg, dev_passwd_id,
|
|
sel_reg_config_methods);
|
|
#endif /* CONFIG_WPS_ER */
|
|
}
|
|
|
|
|
|
static u16 wps_fix_config_methods(u16 config_methods)
|
|
{
|
|
#ifdef CONFIG_WPS2
|
|
if ((config_methods &
|
|
(WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY |
|
|
WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) {
|
|
wpa_printf(MSG_INFO, "WPS: Converting display to "
|
|
"virtual_display for WPS 2.0 compliance");
|
|
config_methods |= WPS_CONFIG_VIRT_DISPLAY;
|
|
}
|
|
if ((config_methods &
|
|
(WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_VIRT_PUSHBUTTON |
|
|
WPS_CONFIG_PHY_PUSHBUTTON)) == WPS_CONFIG_PUSHBUTTON) {
|
|
wpa_printf(MSG_INFO, "WPS: Converting push_button to "
|
|
"virtual_push_button for WPS 2.0 compliance");
|
|
config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON;
|
|
}
|
|
#endif /* CONFIG_WPS2 */
|
|
|
|
return config_methods;
|
|
}
|
|
|
|
|
|
static void wpas_wps_set_uuid(struct wpa_supplicant *wpa_s,
|
|
struct wps_context *wps)
|
|
{
|
|
char buf[50];
|
|
const char *src;
|
|
|
|
if (is_nil_uuid(wpa_s->conf->uuid)) {
|
|
struct wpa_supplicant *first;
|
|
first = wpa_s->global->ifaces;
|
|
while (first && first->next)
|
|
first = first->next;
|
|
if (first && first != wpa_s) {
|
|
if (wps != wpa_s->global->ifaces->wps)
|
|
os_memcpy(wps->uuid,
|
|
wpa_s->global->ifaces->wps->uuid,
|
|
WPS_UUID_LEN);
|
|
src = "from the first interface";
|
|
} else {
|
|
uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid);
|
|
src = "based on MAC address";
|
|
}
|
|
} else {
|
|
os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
|
|
src = "based on configuration";
|
|
}
|
|
|
|
uuid_bin2str(wps->uuid, buf, sizeof(buf));
|
|
wpa_dbg(wpa_s, MSG_DEBUG, "WPS: UUID %s: %s", src, buf);
|
|
}
|
|
|
|
|
|
static void wpas_wps_set_vendor_ext_m1(struct wpa_supplicant *wpa_s,
|
|
struct wps_context *wps)
|
|
{
|
|
wpabuf_free(wps->dev.vendor_ext_m1);
|
|
wps->dev.vendor_ext_m1 = NULL;
|
|
|
|
if (wpa_s->conf->wps_vendor_ext_m1) {
|
|
wps->dev.vendor_ext_m1 =
|
|
wpabuf_dup(wpa_s->conf->wps_vendor_ext_m1);
|
|
if (!wps->dev.vendor_ext_m1) {
|
|
wpa_printf(MSG_ERROR, "WPS: Cannot "
|
|
"allocate memory for vendor_ext_m1");
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
int wpas_wps_init(struct wpa_supplicant *wpa_s)
|
|
{
|
|
struct wps_context *wps;
|
|
struct wps_registrar_config rcfg;
|
|
struct hostapd_hw_modes *modes;
|
|
u16 m;
|
|
|
|
wps = os_zalloc(sizeof(*wps));
|
|
if (wps == NULL)
|
|
return -1;
|
|
|
|
wps->cred_cb = wpa_supplicant_wps_cred;
|
|
wps->event_cb = wpa_supplicant_wps_event;
|
|
wps->rf_band_cb = wpa_supplicant_wps_rf_band;
|
|
wps->cb_ctx = wpa_s;
|
|
|
|
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;
|
|
wps->config_methods =
|
|
wps_config_methods_str2bin(wpa_s->conf->config_methods);
|
|
if ((wps->config_methods & (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
|
|
(WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
|
|
wpa_printf(MSG_ERROR, "WPS: Both Label and Display config "
|
|
"methods are not allowed at the same time");
|
|
os_free(wps);
|
|
return -1;
|
|
}
|
|
wps->config_methods = wps_fix_config_methods(wps->config_methods);
|
|
wps->dev.config_methods = wps->config_methods;
|
|
os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type,
|
|
WPS_DEV_TYPE_LEN);
|
|
|
|
wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
|
|
os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type,
|
|
WPS_DEV_TYPE_LEN * wps->dev.num_sec_dev_types);
|
|
|
|
wpas_wps_set_vendor_ext_m1(wpa_s, wps);
|
|
|
|
wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
|
|
modes = wpa_s->hw.modes;
|
|
if (modes) {
|
|
for (m = 0; m < wpa_s->hw.num_modes; m++) {
|
|
if (modes[m].mode == HOSTAPD_MODE_IEEE80211B ||
|
|
modes[m].mode == HOSTAPD_MODE_IEEE80211G)
|
|
wps->dev.rf_bands |= WPS_RF_24GHZ;
|
|
else if (modes[m].mode == HOSTAPD_MODE_IEEE80211A)
|
|
wps->dev.rf_bands |= WPS_RF_50GHZ;
|
|
}
|
|
}
|
|
if (wps->dev.rf_bands == 0) {
|
|
/*
|
|
* Default to claiming support for both bands if the driver
|
|
* does not provide support for fetching supported bands.
|
|
*/
|
|
wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ;
|
|
}
|
|
os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN);
|
|
wpas_wps_set_uuid(wpa_s, wps);
|
|
|
|
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.set_sel_reg_cb = wpas_wps_set_sel_reg_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;
|
|
}
|
|
|
|
wpa_s->wps = wps;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
#ifdef CONFIG_WPS_ER
|
|
static void wpas_wps_nfc_clear(struct wps_context *wps)
|
|
{
|
|
wps->ap_nfc_dev_pw_id = 0;
|
|
wpabuf_free(wps->ap_nfc_dh_pubkey);
|
|
wps->ap_nfc_dh_pubkey = NULL;
|
|
wpabuf_free(wps->ap_nfc_dh_privkey);
|
|
wps->ap_nfc_dh_privkey = NULL;
|
|
wpabuf_free(wps->ap_nfc_dev_pw);
|
|
wps->ap_nfc_dev_pw = NULL;
|
|
}
|
|
#endif /* CONFIG_WPS_ER */
|
|
|
|
|
|
void wpas_wps_deinit(struct wpa_supplicant *wpa_s)
|
|
{
|
|
eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
|
|
eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL);
|
|
eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL);
|
|
wpas_wps_clear_ap_info(wpa_s);
|
|
|
|
if (wpa_s->wps == NULL)
|
|
return;
|
|
|
|
#ifdef CONFIG_WPS_ER
|
|
wps_er_deinit(wpa_s->wps_er, NULL, NULL);
|
|
wpa_s->wps_er = NULL;
|
|
wpas_wps_nfc_clear(wpa_s->wps);
|
|
#endif /* CONFIG_WPS_ER */
|
|
|
|
wps_registrar_deinit(wpa_s->wps->registrar);
|
|
wpabuf_free(wpa_s->wps->dh_pubkey);
|
|
wpabuf_free(wpa_s->wps->dh_privkey);
|
|
wpabuf_free(wpa_s->wps->dev.vendor_ext_m1);
|
|
os_free(wpa_s->wps->network_key);
|
|
os_free(wpa_s->wps);
|
|
wpa_s->wps = NULL;
|
|
}
|
|
|
|
|
|
int wpas_wps_ssid_bss_match(struct wpa_supplicant *wpa_s,
|
|
struct wpa_ssid *ssid, struct wpa_bss *bss)
|
|
{
|
|
struct wpabuf *wps_ie;
|
|
|
|
if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS))
|
|
return -1;
|
|
|
|
wps_ie = wpa_bss_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;
|
|
}
|
|
|
|
/*
|
|
* Start with WPS APs that advertise our address as an
|
|
* authorized MAC (v2.0) or active PIN Registrar (v1.0) and
|
|
* allow any WPS AP after couple of scans since some APs do not
|
|
* set Selected Registrar attribute properly when using
|
|
* external Registrar.
|
|
*/
|
|
if (!wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1)) {
|
|
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 "
|
|
"(Authorized MAC or Active PIN)");
|
|
}
|
|
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;
|
|
}
|
|
|
|
|
|
int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s,
|
|
struct wpa_ssid *ssid,
|
|
struct wpa_bss *bss)
|
|
{
|
|
struct wpabuf *wps_ie = NULL;
|
|
int ret = 0;
|
|
|
|
if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
|
|
wps_ie = wpa_bss_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_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
|
|
if (wps_ie &&
|
|
(wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1) ||
|
|
wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) {
|
|
/* allow wildcard SSID for WPS PIN */
|
|
ret = 1;
|
|
}
|
|
}
|
|
|
|
if (!ret && ssid->bssid_set &&
|
|
os_memcmp(ssid->bssid, bss->bssid, ETH_ALEN) == 0) {
|
|
/* allow wildcard SSID due to hardcoded BSSID match */
|
|
ret = 1;
|
|
}
|
|
|
|
#ifdef CONFIG_WPS_STRICT
|
|
if (wps_ie) {
|
|
if (wps_validate_beacon_probe_resp(wps_ie, bss->beacon_ie_len >
|
|
0, bss->bssid) < 0)
|
|
ret = 0;
|
|
if (bss->beacon_ie_len) {
|
|
struct wpabuf *bcn_wps;
|
|
bcn_wps = wpa_bss_get_vendor_ie_multi_beacon(
|
|
bss, WPS_IE_VENDOR_TYPE);
|
|
if (bcn_wps == NULL) {
|
|
wpa_printf(MSG_DEBUG, "WPS: Mandatory WPS IE "
|
|
"missing from AP Beacon");
|
|
ret = 0;
|
|
} else {
|
|
if (wps_validate_beacon(wps_ie) < 0)
|
|
ret = 0;
|
|
wpabuf_free(bcn_wps);
|
|
}
|
|
}
|
|
}
|
|
#endif /* CONFIG_WPS_STRICT */
|
|
|
|
wpabuf_free(wps_ie);
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s,
|
|
struct wpa_bss *selected, struct wpa_ssid *ssid)
|
|
{
|
|
const u8 *sel_uuid, *uuid;
|
|
struct wpabuf *wps_ie;
|
|
int ret = 0;
|
|
struct wpa_bss *bss;
|
|
|
|
if (!eap_is_wps_pbc_enrollee(&ssid->eap))
|
|
return 0;
|
|
|
|
wpa_printf(MSG_DEBUG, "WPS: Check whether PBC session overlap is "
|
|
"present in scan results; selected BSSID " MACSTR,
|
|
MAC2STR(selected->bssid));
|
|
|
|
/* Make sure that only one AP is in active PBC mode */
|
|
wps_ie = wpa_bss_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE);
|
|
if (wps_ie) {
|
|
sel_uuid = wps_get_uuid_e(wps_ie);
|
|
wpa_hexdump(MSG_DEBUG, "WPS: UUID of the selected BSS",
|
|
sel_uuid, UUID_LEN);
|
|
} else {
|
|
wpa_printf(MSG_DEBUG, "WPS: Selected BSS does not include "
|
|
"WPS IE?!");
|
|
sel_uuid = NULL;
|
|
}
|
|
|
|
dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
|
|
struct wpabuf *ie;
|
|
if (bss == selected)
|
|
continue;
|
|
ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
|
|
if (!ie)
|
|
continue;
|
|
if (!wps_is_selected_pbc_registrar(ie)) {
|
|
wpabuf_free(ie);
|
|
continue;
|
|
}
|
|
wpa_printf(MSG_DEBUG, "WPS: Another BSS in active PBC mode: "
|
|
MACSTR, MAC2STR(bss->bssid));
|
|
uuid = wps_get_uuid_e(ie);
|
|
wpa_hexdump(MSG_DEBUG, "WPS: UUID of the other BSS",
|
|
uuid, UUID_LEN);
|
|
if (sel_uuid == NULL || uuid == NULL ||
|
|
os_memcmp(sel_uuid, uuid, UUID_LEN) != 0) {
|
|
ret = 1; /* PBC overlap */
|
|
wpa_msg(wpa_s, MSG_INFO, "WPS: PBC overlap detected: "
|
|
MACSTR " and " MACSTR,
|
|
MAC2STR(selected->bssid),
|
|
MAC2STR(bss->bssid));
|
|
wpabuf_free(ie);
|
|
break;
|
|
}
|
|
|
|
/* TODO: verify that this is reasonable dual-band situation */
|
|
|
|
wpabuf_free(ie);
|
|
}
|
|
|
|
wpabuf_free(wps_ie);
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s)
|
|
{
|
|
struct wpa_bss *bss;
|
|
unsigned int pbc = 0, auth = 0, pin = 0, wps = 0;
|
|
|
|
if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED)
|
|
return;
|
|
|
|
dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
|
|
struct wpabuf *ie;
|
|
ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
|
|
if (!ie)
|
|
continue;
|
|
if (wps_is_selected_pbc_registrar(ie))
|
|
pbc++;
|
|
else if (wps_is_addr_authorized(ie, wpa_s->own_addr, 0))
|
|
auth++;
|
|
else if (wps_is_selected_pin_registrar(ie))
|
|
pin++;
|
|
else
|
|
wps++;
|
|
wpabuf_free(ie);
|
|
}
|
|
|
|
if (pbc)
|
|
wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PBC);
|
|
else if (auth)
|
|
wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_AUTH);
|
|
else if (pin)
|
|
wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PIN);
|
|
else if (wps)
|
|
wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE);
|
|
}
|
|
|
|
|
|
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;
|
|
}
|
|
|
|
|
|
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;
|
|
}
|
|
|
|
|
|
int wpas_wps_er_start(struct wpa_supplicant *wpa_s, const char *filter)
|
|
{
|
|
#ifdef CONFIG_WPS_ER
|
|
if (wpa_s->wps_er) {
|
|
wps_er_refresh(wpa_s->wps_er);
|
|
return 0;
|
|
}
|
|
wpa_s->wps_er = wps_er_init(wpa_s->wps, wpa_s->ifname, filter);
|
|
if (wpa_s->wps_er == NULL)
|
|
return -1;
|
|
return 0;
|
|
#else /* CONFIG_WPS_ER */
|
|
return 0;
|
|
#endif /* CONFIG_WPS_ER */
|
|
}
|
|
|
|
|
|
int wpas_wps_er_stop(struct wpa_supplicant *wpa_s)
|
|
{
|
|
#ifdef CONFIG_WPS_ER
|
|
wps_er_deinit(wpa_s->wps_er, NULL, NULL);
|
|
wpa_s->wps_er = NULL;
|
|
#endif /* CONFIG_WPS_ER */
|
|
return 0;
|
|
}
|
|
|
|
|
|
#ifdef CONFIG_WPS_ER
|
|
int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const u8 *addr,
|
|
const char *uuid, const char *pin)
|
|
{
|
|
u8 u[UUID_LEN];
|
|
const u8 *use_uuid = NULL;
|
|
u8 addr_buf[ETH_ALEN];
|
|
|
|
if (os_strcmp(uuid, "any") == 0) {
|
|
} else if (uuid_str2bin(uuid, u) == 0) {
|
|
use_uuid = u;
|
|
} else if (hwaddr_aton(uuid, addr_buf) == 0) {
|
|
use_uuid = wps_er_get_sta_uuid(wpa_s->wps_er, addr_buf);
|
|
if (use_uuid == NULL)
|
|
return -1;
|
|
} else
|
|
return -1;
|
|
return wps_registrar_add_pin(wpa_s->wps->registrar, addr,
|
|
use_uuid,
|
|
(const u8 *) pin, os_strlen(pin), 300);
|
|
}
|
|
|
|
|
|
int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid)
|
|
{
|
|
u8 u[UUID_LEN], *use_uuid = NULL;
|
|
u8 addr[ETH_ALEN], *use_addr = NULL;
|
|
|
|
if (uuid_str2bin(uuid, u) == 0)
|
|
use_uuid = u;
|
|
else if (hwaddr_aton(uuid, addr) == 0)
|
|
use_addr = addr;
|
|
else
|
|
return -1;
|
|
return wps_er_pbc(wpa_s->wps_er, use_uuid, use_addr);
|
|
}
|
|
|
|
|
|
int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid,
|
|
const char *pin)
|
|
{
|
|
u8 u[UUID_LEN], *use_uuid = NULL;
|
|
u8 addr[ETH_ALEN], *use_addr = NULL;
|
|
|
|
if (uuid_str2bin(uuid, u) == 0)
|
|
use_uuid = u;
|
|
else if (hwaddr_aton(uuid, addr) == 0)
|
|
use_addr = addr;
|
|
else
|
|
return -1;
|
|
|
|
return wps_er_learn(wpa_s->wps_er, use_uuid, use_addr, (const u8 *) pin,
|
|
os_strlen(pin));
|
|
}
|
|
|
|
|
|
static int wpas_wps_network_to_cred(struct wpa_ssid *ssid,
|
|
struct wps_credential *cred)
|
|
{
|
|
os_memset(cred, 0, sizeof(*cred));
|
|
if (ssid->ssid_len > 32)
|
|
return -1;
|
|
os_memcpy(cred->ssid, ssid->ssid, ssid->ssid_len);
|
|
cred->ssid_len = ssid->ssid_len;
|
|
if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) {
|
|
cred->auth_type = (ssid->proto & WPA_PROTO_RSN) ?
|
|
WPS_AUTH_WPA2PSK : WPS_AUTH_WPAPSK;
|
|
if (ssid->pairwise_cipher & WPA_CIPHER_CCMP)
|
|
cred->encr_type = WPS_ENCR_AES;
|
|
else
|
|
cred->encr_type = WPS_ENCR_TKIP;
|
|
if (ssid->passphrase) {
|
|
cred->key_len = os_strlen(ssid->passphrase);
|
|
if (cred->key_len >= 64)
|
|
return -1;
|
|
os_memcpy(cred->key, ssid->passphrase, cred->key_len);
|
|
} else if (ssid->psk_set) {
|
|
cred->key_len = 32;
|
|
os_memcpy(cred->key, ssid->psk, 32);
|
|
} else
|
|
return -1;
|
|
} else {
|
|
cred->auth_type = WPS_AUTH_OPEN;
|
|
cred->encr_type = WPS_ENCR_NONE;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid,
|
|
int id)
|
|
{
|
|
u8 u[UUID_LEN], *use_uuid = NULL;
|
|
u8 addr[ETH_ALEN], *use_addr = NULL;
|
|
struct wpa_ssid *ssid;
|
|
struct wps_credential cred;
|
|
|
|
if (uuid_str2bin(uuid, u) == 0)
|
|
use_uuid = u;
|
|
else if (hwaddr_aton(uuid, addr) == 0)
|
|
use_addr = addr;
|
|
else
|
|
return -1;
|
|
ssid = wpa_config_get_network(wpa_s->conf, id);
|
|
if (ssid == NULL || ssid->ssid == NULL)
|
|
return -1;
|
|
|
|
if (wpas_wps_network_to_cred(ssid, &cred) < 0)
|
|
return -1;
|
|
return wps_er_set_config(wpa_s->wps_er, use_uuid, use_addr, &cred);
|
|
}
|
|
|
|
|
|
int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid,
|
|
const char *pin, struct wps_new_ap_settings *settings)
|
|
{
|
|
u8 u[UUID_LEN], *use_uuid = NULL;
|
|
u8 addr[ETH_ALEN], *use_addr = NULL;
|
|
struct wps_credential cred;
|
|
size_t len;
|
|
|
|
if (uuid_str2bin(uuid, u) == 0)
|
|
use_uuid = u;
|
|
else if (hwaddr_aton(uuid, addr) == 0)
|
|
use_addr = addr;
|
|
else
|
|
return -1;
|
|
if (settings->ssid_hex == NULL || settings->auth == NULL ||
|
|
settings->encr == NULL || settings->key_hex == NULL)
|
|
return -1;
|
|
|
|
os_memset(&cred, 0, sizeof(cred));
|
|
len = os_strlen(settings->ssid_hex);
|
|
if ((len & 1) || len > 2 * sizeof(cred.ssid) ||
|
|
hexstr2bin(settings->ssid_hex, cred.ssid, len / 2))
|
|
return -1;
|
|
cred.ssid_len = len / 2;
|
|
|
|
len = os_strlen(settings->key_hex);
|
|
if ((len & 1) || len > 2 * sizeof(cred.key) ||
|
|
hexstr2bin(settings->key_hex, cred.key, len / 2))
|
|
return -1;
|
|
cred.key_len = len / 2;
|
|
|
|
if (os_strcmp(settings->auth, "OPEN") == 0)
|
|
cred.auth_type = WPS_AUTH_OPEN;
|
|
else if (os_strcmp(settings->auth, "WPAPSK") == 0)
|
|
cred.auth_type = WPS_AUTH_WPAPSK;
|
|
else if (os_strcmp(settings->auth, "WPA2PSK") == 0)
|
|
cred.auth_type = WPS_AUTH_WPA2PSK;
|
|
else
|
|
return -1;
|
|
|
|
if (os_strcmp(settings->encr, "NONE") == 0)
|
|
cred.encr_type = WPS_ENCR_NONE;
|
|
else if (os_strcmp(settings->encr, "WEP") == 0)
|
|
cred.encr_type = WPS_ENCR_WEP;
|
|
else if (os_strcmp(settings->encr, "TKIP") == 0)
|
|
cred.encr_type = WPS_ENCR_TKIP;
|
|
else if (os_strcmp(settings->encr, "CCMP") == 0)
|
|
cred.encr_type = WPS_ENCR_AES;
|
|
else
|
|
return -1;
|
|
|
|
return wps_er_config(wpa_s->wps_er, use_uuid, use_addr,
|
|
(const u8 *) pin, os_strlen(pin), &cred);
|
|
}
|
|
|
|
|
|
#ifdef CONFIG_WPS_NFC
|
|
struct wpabuf * wpas_wps_er_nfc_config_token(struct wpa_supplicant *wpa_s,
|
|
int ndef, const char *uuid)
|
|
{
|
|
struct wpabuf *ret;
|
|
u8 u[UUID_LEN], *use_uuid = NULL;
|
|
u8 addr[ETH_ALEN], *use_addr = NULL;
|
|
|
|
if (!wpa_s->wps_er)
|
|
return NULL;
|
|
|
|
if (uuid_str2bin(uuid, u) == 0)
|
|
use_uuid = u;
|
|
else if (hwaddr_aton(uuid, addr) == 0)
|
|
use_addr = addr;
|
|
else
|
|
return NULL;
|
|
|
|
ret = wps_er_nfc_config_token(wpa_s->wps_er, use_uuid, use_addr);
|
|
if (ndef && ret) {
|
|
struct wpabuf *tmp;
|
|
tmp = ndef_build_wifi(ret);
|
|
wpabuf_free(ret);
|
|
if (tmp == NULL)
|
|
return NULL;
|
|
ret = tmp;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
#endif /* CONFIG_WPS_NFC */
|
|
|
|
|
|
static int callbacks_pending = 0;
|
|
|
|
static void wpas_wps_terminate_cb(void *ctx)
|
|
{
|
|
wpa_printf(MSG_DEBUG, "WPS ER: Terminated");
|
|
if (--callbacks_pending <= 0)
|
|
eloop_terminate();
|
|
}
|
|
#endif /* CONFIG_WPS_ER */
|
|
|
|
|
|
int wpas_wps_terminate_pending(struct wpa_supplicant *wpa_s)
|
|
{
|
|
#ifdef CONFIG_WPS_ER
|
|
if (wpa_s->wps_er) {
|
|
callbacks_pending++;
|
|
wps_er_deinit(wpa_s->wps_er, wpas_wps_terminate_cb, wpa_s);
|
|
wpa_s->wps_er = NULL;
|
|
return 1;
|
|
}
|
|
#endif /* CONFIG_WPS_ER */
|
|
return 0;
|
|
}
|
|
|
|
|
|
void wpas_wps_update_config(struct wpa_supplicant *wpa_s)
|
|
{
|
|
struct wps_context *wps = wpa_s->wps;
|
|
|
|
if (wps == NULL)
|
|
return;
|
|
|
|
if (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS) {
|
|
wps->config_methods = wps_config_methods_str2bin(
|
|
wpa_s->conf->config_methods);
|
|
if ((wps->config_methods &
|
|
(WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
|
|
(WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
|
|
wpa_printf(MSG_ERROR, "WPS: Both Label and Display "
|
|
"config methods are not allowed at the "
|
|
"same time");
|
|
wps->config_methods &= ~WPS_CONFIG_LABEL;
|
|
}
|
|
}
|
|
wps->config_methods = wps_fix_config_methods(wps->config_methods);
|
|
wps->dev.config_methods = wps->config_methods;
|
|
|
|
if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE)
|
|
os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type,
|
|
WPS_DEV_TYPE_LEN);
|
|
|
|
if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) {
|
|
wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types;
|
|
os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type,
|
|
wps->dev.num_sec_dev_types * WPS_DEV_TYPE_LEN);
|
|
}
|
|
|
|
if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION)
|
|
wpas_wps_set_vendor_ext_m1(wpa_s, wps);
|
|
|
|
if (wpa_s->conf->changed_parameters & CFG_CHANGED_OS_VERSION)
|
|
wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
|
|
|
|
if (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID)
|
|
wpas_wps_set_uuid(wpa_s, wps);
|
|
|
|
if (wpa_s->conf->changed_parameters &
|
|
(CFG_CHANGED_DEVICE_NAME | CFG_CHANGED_WPS_STRING)) {
|
|
/* Update pointers to make sure they refer current values */
|
|
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;
|
|
}
|
|
}
|
|
|
|
|
|
#ifdef CONFIG_WPS_NFC
|
|
|
|
#ifdef CONFIG_WPS_ER
|
|
static struct wpabuf *
|
|
wpas_wps_network_config_token(struct wpa_supplicant *wpa_s, int ndef,
|
|
struct wpa_ssid *ssid)
|
|
{
|
|
struct wpabuf *ret;
|
|
struct wps_credential cred;
|
|
|
|
if (wpas_wps_network_to_cred(ssid, &cred) < 0)
|
|
return NULL;
|
|
|
|
ret = wps_er_config_token_from_cred(wpa_s->wps, &cred);
|
|
|
|
if (ndef && ret) {
|
|
struct wpabuf *tmp;
|
|
tmp = ndef_build_wifi(ret);
|
|
wpabuf_free(ret);
|
|
if (tmp == NULL)
|
|
return NULL;
|
|
ret = tmp;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
#endif /* CONFIG_WPS_ER */
|
|
|
|
|
|
struct wpabuf * wpas_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
|
|
int ndef, const char *id_str)
|
|
{
|
|
#ifdef CONFIG_WPS_ER
|
|
if (id_str) {
|
|
int id;
|
|
char *end = NULL;
|
|
struct wpa_ssid *ssid;
|
|
|
|
id = strtol(id_str, &end, 10);
|
|
if (end && *end)
|
|
return NULL;
|
|
|
|
ssid = wpa_config_get_network(wpa_s->conf, id);
|
|
if (ssid == NULL)
|
|
return NULL;
|
|
return wpas_wps_network_config_token(wpa_s, ndef, ssid);
|
|
}
|
|
#endif /* CONFIG_WPS_ER */
|
|
#ifdef CONFIG_AP
|
|
if (wpa_s->ap_iface)
|
|
return wpas_ap_wps_nfc_config_token(wpa_s, ndef);
|
|
#endif /* CONFIG_AP */
|
|
return NULL;
|
|
}
|
|
|
|
|
|
struct wpabuf * wpas_wps_nfc_token(struct wpa_supplicant *wpa_s, int ndef)
|
|
{
|
|
if (wpa_s->conf->wps_nfc_pw_from_config) {
|
|
return wps_nfc_token_build(ndef,
|
|
wpa_s->conf->wps_nfc_dev_pw_id,
|
|
wpa_s->conf->wps_nfc_dh_pubkey,
|
|
wpa_s->conf->wps_nfc_dev_pw);
|
|
}
|
|
|
|
return wps_nfc_token_gen(ndef, &wpa_s->conf->wps_nfc_dev_pw_id,
|
|
&wpa_s->conf->wps_nfc_dh_pubkey,
|
|
&wpa_s->conf->wps_nfc_dh_privkey,
|
|
&wpa_s->conf->wps_nfc_dev_pw);
|
|
}
|
|
|
|
|
|
int wpas_wps_start_nfc(struct wpa_supplicant *wpa_s, const u8 *go_dev_addr,
|
|
const u8 *bssid,
|
|
const struct wpabuf *dev_pw, u16 dev_pw_id,
|
|
int p2p_group, const u8 *peer_pubkey_hash,
|
|
const u8 *ssid, size_t ssid_len)
|
|
{
|
|
struct wps_context *wps = wpa_s->wps;
|
|
char pw[32 * 2 + 1];
|
|
|
|
if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER && dev_pw == NULL) {
|
|
dev_pw = wpa_s->conf->wps_nfc_dev_pw;
|
|
dev_pw_id = wpa_s->conf->wps_nfc_dev_pw_id;
|
|
}
|
|
|
|
if (wpa_s->conf->wps_nfc_dh_pubkey == NULL ||
|
|
wpa_s->conf->wps_nfc_dh_privkey == NULL) {
|
|
wpa_printf(MSG_DEBUG, "WPS: Missing DH params - "
|
|
"cannot start NFC-triggered connection");
|
|
return -1;
|
|
}
|
|
|
|
if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER && dev_pw == NULL) {
|
|
wpa_printf(MSG_DEBUG, "WPS: Missing Device Password (id=%u) - "
|
|
"cannot start NFC-triggered connection", dev_pw_id);
|
|
return -1;
|
|
}
|
|
|
|
dh5_free(wps->dh_ctx);
|
|
wpabuf_free(wps->dh_pubkey);
|
|
wpabuf_free(wps->dh_privkey);
|
|
wps->dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey);
|
|
wps->dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey);
|
|
if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) {
|
|
wps->dh_ctx = NULL;
|
|
wpabuf_free(wps->dh_pubkey);
|
|
wps->dh_pubkey = NULL;
|
|
wpabuf_free(wps->dh_privkey);
|
|
wps->dh_privkey = NULL;
|
|
wpa_printf(MSG_DEBUG, "WPS: Failed to get DH priv/pub key");
|
|
return -1;
|
|
}
|
|
wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey);
|
|
if (wps->dh_ctx == NULL) {
|
|
wpabuf_free(wps->dh_pubkey);
|
|
wps->dh_pubkey = NULL;
|
|
wpabuf_free(wps->dh_privkey);
|
|
wps->dh_privkey = NULL;
|
|
wpa_printf(MSG_DEBUG, "WPS: Failed to initialize DH context");
|
|
return -1;
|
|
}
|
|
|
|
if (dev_pw) {
|
|
wpa_snprintf_hex_uppercase(pw, sizeof(pw),
|
|
wpabuf_head(dev_pw),
|
|
wpabuf_len(dev_pw));
|
|
}
|
|
return wpas_wps_start_dev_pw(wpa_s, go_dev_addr, bssid,
|
|
dev_pw ? pw : NULL,
|
|
p2p_group, dev_pw_id, peer_pubkey_hash,
|
|
ssid, ssid_len);
|
|
}
|
|
|
|
|
|
static int wpas_wps_use_cred(struct wpa_supplicant *wpa_s,
|
|
struct wps_parse_attr *attr)
|
|
{
|
|
wpa_s->wps_ap_channel = 0;
|
|
|
|
/*
|
|
* Disable existing networks temporarily to allow the newly learned
|
|
* credential to be preferred. Enable the temporarily disabled networks
|
|
* after 10 seconds.
|
|
*/
|
|
wpas_wps_temp_disable(wpa_s, NULL);
|
|
eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s,
|
|
NULL);
|
|
|
|
if (wps_oob_use_cred(wpa_s->wps, attr) < 0)
|
|
return -1;
|
|
|
|
if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
|
|
return 0;
|
|
|
|
if (!wpa_s->wps_ap_channel && attr->ap_channel) {
|
|
wpa_s->wps_ap_channel = WPA_GET_BE16(attr->ap_channel);
|
|
wpa_printf(MSG_DEBUG, "WPS: Credential container indicated AP Channel %d",
|
|
wpa_s->wps_ap_channel);
|
|
}
|
|
|
|
wpa_printf(MSG_DEBUG, "WPS: Request reconnection with new network "
|
|
"based on the received credential added");
|
|
wpa_s->normal_scans = 0;
|
|
wpa_supplicant_reinit_autoscan(wpa_s);
|
|
if (wpa_s->wps_ap_channel) {
|
|
u16 chan = wpa_s->wps_ap_channel;
|
|
int freq = 0;
|
|
|
|
if (chan >= 1 && chan <= 13)
|
|
freq = 2407 + 5 * chan;
|
|
else if (chan == 14)
|
|
freq = 2484;
|
|
else if (chan >= 30)
|
|
freq = 5000 + 5 * chan;
|
|
|
|
if (freq) {
|
|
wpa_printf(MSG_DEBUG, "WPS: Credential indicated "
|
|
"AP channel %u -> %u MHz", chan, freq);
|
|
wpa_s->after_wps = 5;
|
|
wpa_s->wps_freq = freq;
|
|
}
|
|
}
|
|
wpa_s->disconnected = 0;
|
|
wpa_s->reassociate = 1;
|
|
|
|
wpa_supplicant_cancel_sched_scan(wpa_s);
|
|
wpa_supplicant_req_scan(wpa_s, 0, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
#ifdef CONFIG_WPS_ER
|
|
static int wpas_wps_add_nfc_password_token(struct wpa_supplicant *wpa_s,
|
|
struct wps_parse_attr *attr)
|
|
{
|
|
return wps_registrar_add_nfc_password_token(
|
|
wpa_s->wps->registrar, attr->oob_dev_password,
|
|
attr->oob_dev_password_len);
|
|
}
|
|
#endif /* CONFIG_WPS_ER */
|
|
|
|
|
|
static int wpas_wps_nfc_tag_process(struct wpa_supplicant *wpa_s,
|
|
const struct wpabuf *wps)
|
|
{
|
|
struct wps_parse_attr attr;
|
|
|
|
wpa_hexdump_buf(MSG_DEBUG, "WPS: Received NFC tag payload", wps);
|
|
|
|
if (wps_parse_msg(wps, &attr)) {
|
|
wpa_printf(MSG_DEBUG, "WPS: Ignore invalid data from NFC tag");
|
|
return -1;
|
|
}
|
|
|
|
if (attr.num_cred)
|
|
return wpas_wps_use_cred(wpa_s, &attr);
|
|
|
|
#ifdef CONFIG_WPS_ER
|
|
if (attr.oob_dev_password)
|
|
return wpas_wps_add_nfc_password_token(wpa_s, &attr);
|
|
#endif /* CONFIG_WPS_ER */
|
|
|
|
wpa_printf(MSG_DEBUG, "WPS: Ignore unrecognized NFC tag");
|
|
return -1;
|
|
}
|
|
|
|
|
|
int wpas_wps_nfc_tag_read(struct wpa_supplicant *wpa_s,
|
|
const struct wpabuf *data)
|
|
{
|
|
const struct wpabuf *wps = data;
|
|
struct wpabuf *tmp = NULL;
|
|
int ret;
|
|
|
|
if (wpabuf_len(data) < 4)
|
|
return -1;
|
|
|
|
if (*wpabuf_head_u8(data) != 0x10) {
|
|
/* Assume this contains full NDEF record */
|
|
tmp = ndef_parse_wifi(data);
|
|
if (tmp == NULL) {
|
|
#ifdef CONFIG_P2P
|
|
tmp = ndef_parse_p2p(data);
|
|
if (tmp) {
|
|
ret = wpas_p2p_nfc_tag_process(wpa_s, tmp);
|
|
wpabuf_free(tmp);
|
|
return ret;
|
|
}
|
|
#endif /* CONFIG_P2P */
|
|
wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF");
|
|
return -1;
|
|
}
|
|
wps = tmp;
|
|
}
|
|
|
|
ret = wpas_wps_nfc_tag_process(wpa_s, wps);
|
|
wpabuf_free(tmp);
|
|
return ret;
|
|
}
|
|
|
|
|
|
struct wpabuf * wpas_wps_nfc_handover_req(struct wpa_supplicant *wpa_s,
|
|
int ndef)
|
|
{
|
|
struct wpabuf *ret;
|
|
|
|
if (wpa_s->conf->wps_nfc_dh_pubkey == NULL &&
|
|
wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey,
|
|
&wpa_s->conf->wps_nfc_dh_privkey) < 0)
|
|
return NULL;
|
|
|
|
ret = wps_build_nfc_handover_req(wpa_s->wps,
|
|
wpa_s->conf->wps_nfc_dh_pubkey);
|
|
|
|
if (ndef && ret) {
|
|
struct wpabuf *tmp;
|
|
tmp = ndef_build_wifi(ret);
|
|
wpabuf_free(ret);
|
|
if (tmp == NULL)
|
|
return NULL;
|
|
ret = tmp;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
#ifdef CONFIG_WPS_NFC
|
|
|
|
static struct wpabuf *
|
|
wpas_wps_er_nfc_handover_sel(struct wpa_supplicant *wpa_s, int ndef,
|
|
const char *uuid)
|
|
{
|
|
#ifdef CONFIG_WPS_ER
|
|
struct wpabuf *ret;
|
|
u8 u[UUID_LEN], *use_uuid = NULL;
|
|
u8 addr[ETH_ALEN], *use_addr = NULL;
|
|
struct wps_context *wps = wpa_s->wps;
|
|
|
|
if (wps == NULL)
|
|
return NULL;
|
|
|
|
if (uuid == NULL)
|
|
return NULL;
|
|
if (uuid_str2bin(uuid, u) == 0)
|
|
use_uuid = u;
|
|
else if (hwaddr_aton(uuid, addr) == 0)
|
|
use_addr = addr;
|
|
else
|
|
return NULL;
|
|
|
|
if (wpa_s->conf->wps_nfc_dh_pubkey == NULL) {
|
|
if (wps_nfc_gen_dh(&wpa_s->conf->wps_nfc_dh_pubkey,
|
|
&wpa_s->conf->wps_nfc_dh_privkey) < 0)
|
|
return NULL;
|
|
}
|
|
|
|
wpas_wps_nfc_clear(wps);
|
|
wps->ap_nfc_dev_pw_id = DEV_PW_NFC_CONNECTION_HANDOVER;
|
|
wps->ap_nfc_dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey);
|
|
wps->ap_nfc_dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey);
|
|
if (!wps->ap_nfc_dh_pubkey || !wps->ap_nfc_dh_privkey) {
|
|
wpas_wps_nfc_clear(wps);
|
|
return NULL;
|
|
}
|
|
|
|
ret = wps_er_nfc_handover_sel(wpa_s->wps_er, wpa_s->wps, use_uuid,
|
|
use_addr, wpa_s->conf->wps_nfc_dh_pubkey);
|
|
if (ndef && ret) {
|
|
struct wpabuf *tmp;
|
|
tmp = ndef_build_wifi(ret);
|
|
wpabuf_free(ret);
|
|
if (tmp == NULL)
|
|
return NULL;
|
|
ret = tmp;
|
|
}
|
|
|
|
return ret;
|
|
#else /* CONFIG_WPS_ER */
|
|
return NULL;
|
|
#endif /* CONFIG_WPS_ER */
|
|
}
|
|
#endif /* CONFIG_WPS_NFC */
|
|
|
|
|
|
struct wpabuf * wpas_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s,
|
|
int ndef, int cr, const char *uuid)
|
|
{
|
|
struct wpabuf *ret;
|
|
if (!cr)
|
|
return NULL;
|
|
ret = wpas_ap_wps_nfc_handover_sel(wpa_s, ndef);
|
|
if (ret)
|
|
return ret;
|
|
return wpas_wps_er_nfc_handover_sel(wpa_s, ndef, uuid);
|
|
}
|
|
|
|
|
|
int wpas_wps_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
|
|
const struct wpabuf *data)
|
|
{
|
|
/* TODO */
|
|
return -1;
|
|
}
|
|
|
|
|
|
int wpas_wps_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
|
|
const struct wpabuf *data)
|
|
{
|
|
struct wpabuf *wps;
|
|
int ret = -1;
|
|
u16 wsc_len;
|
|
const u8 *pos;
|
|
struct wpabuf msg;
|
|
struct wps_parse_attr attr;
|
|
u16 dev_pw_id;
|
|
|
|
wps = ndef_parse_wifi(data);
|
|
if (wps == NULL)
|
|
return -1;
|
|
wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc "
|
|
"payload from NFC connection handover");
|
|
wpa_hexdump_buf(MSG_DEBUG, "WPS: NFC payload", wps);
|
|
if (wpabuf_len(wps) < 2) {
|
|
wpa_printf(MSG_DEBUG, "WPS: Too short Wi-Fi Handover Select "
|
|
"Message");
|
|
goto out;
|
|
}
|
|
pos = wpabuf_head(wps);
|
|
wsc_len = WPA_GET_BE16(pos);
|
|
if (wsc_len > wpabuf_len(wps) - 2) {
|
|
wpa_printf(MSG_DEBUG, "WPS: Invalid WSC attribute length (%u) "
|
|
"in Wi-Fi Handover Select Message", wsc_len);
|
|
goto out;
|
|
}
|
|
pos += 2;
|
|
|
|
wpa_hexdump(MSG_DEBUG,
|
|
"WPS: WSC attributes in Wi-Fi Handover Select Message",
|
|
pos, wsc_len);
|
|
if (wsc_len < wpabuf_len(wps) - 2) {
|
|
wpa_hexdump(MSG_DEBUG,
|
|
"WPS: Ignore extra data after WSC attributes",
|
|
pos + wsc_len, wpabuf_len(wps) - 2 - wsc_len);
|
|
}
|
|
|
|
wpabuf_set(&msg, pos, wsc_len);
|
|
ret = wps_parse_msg(&msg, &attr);
|
|
if (ret < 0) {
|
|
wpa_printf(MSG_DEBUG, "WPS: Could not parse WSC attributes in "
|
|
"Wi-Fi Handover Select Message");
|
|
goto out;
|
|
}
|
|
|
|
if (attr.oob_dev_password == NULL ||
|
|
attr.oob_dev_password_len < WPS_OOB_PUBKEY_HASH_LEN + 2) {
|
|
wpa_printf(MSG_DEBUG, "WPS: No Out-of-Band Device Password "
|
|
"included in Wi-Fi Handover Select Message");
|
|
ret = -1;
|
|
goto out;
|
|
}
|
|
|
|
if (attr.ssid == NULL) {
|
|
wpa_printf(MSG_DEBUG, "WPS: No SSID included in Wi-Fi Handover "
|
|
"Select Message");
|
|
ret = -1;
|
|
goto out;
|
|
}
|
|
|
|
wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", attr.ssid, attr.ssid_len);
|
|
|
|
wpa_hexdump(MSG_DEBUG, "WPS: Out-of-Band Device Password",
|
|
attr.oob_dev_password, attr.oob_dev_password_len);
|
|
dev_pw_id = WPA_GET_BE16(attr.oob_dev_password +
|
|
WPS_OOB_PUBKEY_HASH_LEN);
|
|
if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER) {
|
|
wpa_printf(MSG_DEBUG, "WPS: Unexpected OOB Device Password ID "
|
|
"%u in Wi-Fi Handover Select Message", dev_pw_id);
|
|
ret = -1;
|
|
goto out;
|
|
}
|
|
wpa_hexdump(MSG_DEBUG, "WPS: AP Public Key hash",
|
|
attr.oob_dev_password, WPS_OOB_PUBKEY_HASH_LEN);
|
|
|
|
ret = wpas_wps_start_nfc(wpa_s, NULL, NULL, NULL, dev_pw_id, 0,
|
|
attr.oob_dev_password,
|
|
attr.ssid, attr.ssid_len);
|
|
|
|
out:
|
|
wpabuf_free(wps);
|
|
return ret;
|
|
}
|
|
|
|
|
|
int wpas_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
|
|
const struct wpabuf *req,
|
|
const struct wpabuf *sel)
|
|
{
|
|
wpa_printf(MSG_DEBUG, "NFC: WPS connection handover reported");
|
|
wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in request", req);
|
|
wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in select", sel);
|
|
return wpas_wps_nfc_rx_handover_sel(wpa_s, sel);
|
|
}
|
|
|
|
|
|
int wpas_er_wps_nfc_report_handover(struct wpa_supplicant *wpa_s,
|
|
const struct wpabuf *req,
|
|
const struct wpabuf *sel)
|
|
{
|
|
struct wpabuf *wps;
|
|
int ret = -1;
|
|
u16 wsc_len;
|
|
const u8 *pos;
|
|
struct wpabuf msg;
|
|
struct wps_parse_attr attr;
|
|
u16 dev_pw_id;
|
|
|
|
/*
|
|
* Enrollee/station is always initiator of the NFC connection handover,
|
|
* so use the request message here to find Enrollee public key hash.
|
|
*/
|
|
wps = ndef_parse_wifi(req);
|
|
if (wps == NULL)
|
|
return -1;
|
|
wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc "
|
|
"payload from NFC connection handover");
|
|
wpa_hexdump_buf(MSG_DEBUG, "WPS: NFC payload", wps);
|
|
if (wpabuf_len(wps) < 2) {
|
|
wpa_printf(MSG_DEBUG, "WPS: Too short Wi-Fi Handover Request "
|
|
"Message");
|
|
goto out;
|
|
}
|
|
pos = wpabuf_head(wps);
|
|
wsc_len = WPA_GET_BE16(pos);
|
|
if (wsc_len > wpabuf_len(wps) - 2) {
|
|
wpa_printf(MSG_DEBUG, "WPS: Invalid WSC attribute length (%u) "
|
|
"in rt Wi-Fi Handover Request Message", wsc_len);
|
|
goto out;
|
|
}
|
|
pos += 2;
|
|
|
|
wpa_hexdump(MSG_DEBUG,
|
|
"WPS: WSC attributes in Wi-Fi Handover Request Message",
|
|
pos, wsc_len);
|
|
if (wsc_len < wpabuf_len(wps) - 2) {
|
|
wpa_hexdump(MSG_DEBUG,
|
|
"WPS: Ignore extra data after WSC attributes",
|
|
pos + wsc_len, wpabuf_len(wps) - 2 - wsc_len);
|
|
}
|
|
|
|
wpabuf_set(&msg, pos, wsc_len);
|
|
ret = wps_parse_msg(&msg, &attr);
|
|
if (ret < 0) {
|
|
wpa_printf(MSG_DEBUG, "WPS: Could not parse WSC attributes in "
|
|
"Wi-Fi Handover Request Message");
|
|
goto out;
|
|
}
|
|
|
|
if (attr.oob_dev_password == NULL ||
|
|
attr.oob_dev_password_len < WPS_OOB_PUBKEY_HASH_LEN + 2) {
|
|
wpa_printf(MSG_DEBUG, "WPS: No Out-of-Band Device Password "
|
|
"included in Wi-Fi Handover Request Message");
|
|
ret = -1;
|
|
goto out;
|
|
}
|
|
|
|
if (attr.uuid_e == NULL) {
|
|
wpa_printf(MSG_DEBUG, "WPS: No UUID-E included in Wi-Fi "
|
|
"Handover Request Message");
|
|
ret = -1;
|
|
goto out;
|
|
}
|
|
|
|
wpa_hexdump(MSG_DEBUG, "WPS: UUID-E", attr.uuid_e, WPS_UUID_LEN);
|
|
|
|
wpa_hexdump(MSG_DEBUG, "WPS: Out-of-Band Device Password",
|
|
attr.oob_dev_password, attr.oob_dev_password_len);
|
|
dev_pw_id = WPA_GET_BE16(attr.oob_dev_password +
|
|
WPS_OOB_PUBKEY_HASH_LEN);
|
|
if (dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER) {
|
|
wpa_printf(MSG_DEBUG, "WPS: Unexpected OOB Device Password ID "
|
|
"%u in Wi-Fi Handover Request Message", dev_pw_id);
|
|
ret = -1;
|
|
goto out;
|
|
}
|
|
wpa_hexdump(MSG_DEBUG, "WPS: Enrollee Public Key hash",
|
|
attr.oob_dev_password, WPS_OOB_PUBKEY_HASH_LEN);
|
|
|
|
ret = wps_registrar_add_nfc_pw_token(wpa_s->wps->registrar,
|
|
attr.oob_dev_password,
|
|
DEV_PW_NFC_CONNECTION_HANDOVER,
|
|
NULL, 0, 1);
|
|
|
|
out:
|
|
wpabuf_free(wps);
|
|
return ret;
|
|
}
|
|
|
|
#endif /* CONFIG_WPS_NFC */
|
|
|
|
|
|
static void wpas_wps_dump_ap_info(struct wpa_supplicant *wpa_s)
|
|
{
|
|
size_t i;
|
|
struct os_reltime now;
|
|
|
|
if (wpa_debug_level > MSG_DEBUG)
|
|
return;
|
|
|
|
if (wpa_s->wps_ap == NULL)
|
|
return;
|
|
|
|
os_get_reltime(&now);
|
|
|
|
for (i = 0; i < wpa_s->num_wps_ap; i++) {
|
|
struct wps_ap_info *ap = &wpa_s->wps_ap[i];
|
|
struct wpa_blacklist *e = wpa_blacklist_get(wpa_s, ap->bssid);
|
|
|
|
wpa_printf(MSG_DEBUG, "WPS: AP[%d] " MACSTR " type=%d "
|
|
"tries=%d last_attempt=%d sec ago blacklist=%d",
|
|
(int) i, MAC2STR(ap->bssid), ap->type, ap->tries,
|
|
ap->last_attempt.sec > 0 ?
|
|
(int) now.sec - (int) ap->last_attempt.sec : -1,
|
|
e ? e->count : 0);
|
|
}
|
|
}
|
|
|
|
|
|
static struct wps_ap_info * wpas_wps_get_ap_info(struct wpa_supplicant *wpa_s,
|
|
const u8 *bssid)
|
|
{
|
|
size_t i;
|
|
|
|
if (wpa_s->wps_ap == NULL)
|
|
return NULL;
|
|
|
|
for (i = 0; i < wpa_s->num_wps_ap; i++) {
|
|
struct wps_ap_info *ap = &wpa_s->wps_ap[i];
|
|
if (os_memcmp(ap->bssid, bssid, ETH_ALEN) == 0)
|
|
return ap;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
static void wpas_wps_update_ap_info_bss(struct wpa_supplicant *wpa_s,
|
|
struct wpa_scan_res *res)
|
|
{
|
|
struct wpabuf *wps;
|
|
enum wps_ap_info_type type;
|
|
struct wps_ap_info *ap;
|
|
int r;
|
|
|
|
if (wpa_scan_get_vendor_ie(res, WPS_IE_VENDOR_TYPE) == NULL)
|
|
return;
|
|
|
|
wps = wpa_scan_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE);
|
|
if (wps == NULL)
|
|
return;
|
|
|
|
r = wps_is_addr_authorized(wps, wpa_s->own_addr, 1);
|
|
if (r == 2)
|
|
type = WPS_AP_SEL_REG_OUR;
|
|
else if (r == 1)
|
|
type = WPS_AP_SEL_REG;
|
|
else
|
|
type = WPS_AP_NOT_SEL_REG;
|
|
|
|
wpabuf_free(wps);
|
|
|
|
ap = wpas_wps_get_ap_info(wpa_s, res->bssid);
|
|
if (ap) {
|
|
if (ap->type != type) {
|
|
wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR
|
|
" changed type %d -> %d",
|
|
MAC2STR(res->bssid), ap->type, type);
|
|
ap->type = type;
|
|
if (type != WPS_AP_NOT_SEL_REG)
|
|
wpa_blacklist_del(wpa_s, ap->bssid);
|
|
}
|
|
return;
|
|
}
|
|
|
|
ap = os_realloc_array(wpa_s->wps_ap, wpa_s->num_wps_ap + 1,
|
|
sizeof(struct wps_ap_info));
|
|
if (ap == NULL)
|
|
return;
|
|
|
|
wpa_s->wps_ap = ap;
|
|
ap = &wpa_s->wps_ap[wpa_s->num_wps_ap];
|
|
wpa_s->num_wps_ap++;
|
|
|
|
os_memset(ap, 0, sizeof(*ap));
|
|
os_memcpy(ap->bssid, res->bssid, ETH_ALEN);
|
|
ap->type = type;
|
|
wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR " type %d added",
|
|
MAC2STR(ap->bssid), ap->type);
|
|
}
|
|
|
|
|
|
void wpas_wps_update_ap_info(struct wpa_supplicant *wpa_s,
|
|
struct wpa_scan_results *scan_res)
|
|
{
|
|
size_t i;
|
|
|
|
for (i = 0; i < scan_res->num; i++)
|
|
wpas_wps_update_ap_info_bss(wpa_s, scan_res->res[i]);
|
|
|
|
wpas_wps_dump_ap_info(wpa_s);
|
|
}
|
|
|
|
|
|
void wpas_wps_notify_assoc(struct wpa_supplicant *wpa_s, const u8 *bssid)
|
|
{
|
|
struct wps_ap_info *ap;
|
|
|
|
wpa_s->after_wps = 0;
|
|
|
|
if (!wpa_s->wps_ap_iter)
|
|
return;
|
|
ap = wpas_wps_get_ap_info(wpa_s, bssid);
|
|
if (ap == NULL)
|
|
return;
|
|
ap->tries++;
|
|
os_get_reltime(&ap->last_attempt);
|
|
}
|