wpa_supplicant: Initial Revision 0.8.X
Based on:
commit 0725cc7b7efc434910e89865c42eda7ce61bbf08
Author: Jouni Malinen <j@w1.fi>
Date: Thu Apr 21 20:41:01 2011 +0300
Enable CONFIG_DRIVER_NL80211=y in the default configuration
nl80211 should be preferred over WEXT with any recent Linux
kernel version.
Change-Id: I26aec5afbbd4f4a1f5fd900912545b6f5050de64
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/wpa_supplicant/wps_supplicant.c b/wpa_supplicant/wps_supplicant.c
new file mode 100644
index 0000000..778ccaf
--- /dev/null
+++ b/wpa_supplicant/wps_supplicant.c
@@ -0,0 +1,1676 @@
+/*
+ * wpa_supplicant / WPS integration
+ * Copyright (c) 2008-2010, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eloop.h"
+#include "uuid.h"
+#include "crypto/dh_group5.h"
+#include "common/ieee802_11_defs.h"
+#include "common/ieee802_11_common.h"
+#include "common/wpa_common.h"
+#include "common/wpa_ctrl.h"
+#include "eap_common/eap_wsc_common.h"
+#include "eap_peer/eap.h"
+#include "rsn_supp/wpa.h"
+#include "config.h"
+#include "wpa_supplicant_i.h"
+#include "driver_i.h"
+#include "notify.h"
+#include "blacklist.h"
+#include "bss.h"
+#include "scan.h"
+#include "ap.h"
+#include "p2p/p2p.h"
+#include "p2p_supplicant.h"
+#include "wps_supplicant.h"
+
+
+#ifndef WPS_PIN_SCAN_IGNORE_SEL_REG
+#define WPS_PIN_SCAN_IGNORE_SEL_REG 3
+#endif /* WPS_PIN_SCAN_IGNORE_SEL_REG */
+
+static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx);
+static void wpas_clear_wps(struct wpa_supplicant *wpa_s);
+
+
+int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s)
+{
+ if (!wpa_s->wps_success &&
+ wpa_s->current_ssid &&
+ eap_is_wps_pin_enrollee(&wpa_s->current_ssid->eap)) {
+ const u8 *bssid = wpa_s->bssid;
+ if (is_zero_ether_addr(bssid))
+ bssid = wpa_s->pending_bssid;
+
+ wpa_printf(MSG_DEBUG, "WPS: PIN registration with " MACSTR
+ " did not succeed - continue trying to find "
+ "suitable AP", MAC2STR(bssid));
+ wpa_blacklist_add(wpa_s, bssid);
+
+ wpa_supplicant_deauthenticate(wpa_s,
+ WLAN_REASON_DEAUTH_LEAVING);
+ wpa_s->reassociate = 1;
+ wpa_supplicant_req_scan(wpa_s,
+ wpa_s->blacklist_cleared ? 5 : 0, 0);
+ wpa_s->blacklist_cleared = 0;
+ return 1;
+ }
+
+ eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
+ if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && !wpa_s->wps_success)
+ wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL);
+
+ if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid &&
+ !(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
+ int disabled = wpa_s->current_ssid->disabled;
+ wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - "
+ "try to associate with the received credential");
+ wpa_supplicant_deauthenticate(wpa_s,
+ WLAN_REASON_DEAUTH_LEAVING);
+ if (disabled) {
+ wpa_printf(MSG_DEBUG, "WPS: Current network is "
+ "disabled - wait for user to enable");
+ return 1;
+ }
+ wpa_s->after_wps = 5;
+ wpa_s->wps_freq = wpa_s->assoc_freq;
+ wpa_s->reassociate = 1;
+ wpa_supplicant_req_scan(wpa_s, 0, 0);
+ return 1;
+ }
+
+ if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid) {
+ wpa_printf(MSG_DEBUG, "WPS: Registration completed - waiting "
+ "for external credential processing");
+ wpas_clear_wps(wpa_s);
+ wpa_supplicant_deauthenticate(wpa_s,
+ WLAN_REASON_DEAUTH_LEAVING);
+ return 1;
+ }
+
+ return 0;
+}
+
+
+static void wpas_wps_security_workaround(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *ssid,
+ const struct wps_credential *cred)
+{
+ struct wpa_driver_capa capa;
+ struct wpa_bss *bss;
+ const u8 *ie;
+ struct wpa_ie_data adv;
+ int wpa2 = 0, ccmp = 0;
+
+ /*
+ * Many existing WPS APs do not know how to negotiate WPA2 or CCMP in
+ * case they are configured for mixed mode operation (WPA+WPA2 and
+ * TKIP+CCMP). Try to use scan results to figure out whether the AP
+ * actually supports stronger security and select that if the client
+ * has support for it, too.
+ */
+
+ if (wpa_drv_get_capa(wpa_s, &capa))
+ return; /* Unknown what driver supports */
+
+ bss = wpa_bss_get(wpa_s, cred->mac_addr, ssid->ssid, ssid->ssid_len);
+ if (bss == NULL) {
+ wpa_printf(MSG_DEBUG, "WPS: The AP was not found from BSS "
+ "table - use credential as-is");
+ return;
+ }
+
+ wpa_printf(MSG_DEBUG, "WPS: AP found from BSS table");
+
+ ie = wpa_bss_get_ie(bss, WLAN_EID_RSN);
+ if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0) {
+ wpa2 = 1;
+ if (adv.pairwise_cipher & WPA_CIPHER_CCMP)
+ ccmp = 1;
+ } else {
+ ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
+ if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0 &&
+ adv.pairwise_cipher & WPA_CIPHER_CCMP)
+ ccmp = 1;
+ }
+
+ if (ie == NULL && (ssid->proto & WPA_PROTO_WPA) &&
+ (ssid->pairwise_cipher & WPA_CIPHER_TKIP)) {
+ /*
+ * TODO: This could be the initial AP configuration and the
+ * Beacon contents could change shortly. Should request a new
+ * scan and delay addition of the network until the updated
+ * scan results are available.
+ */
+ wpa_printf(MSG_DEBUG, "WPS: The AP did not yet advertise WPA "
+ "support - use credential as-is");
+ return;
+ }
+
+ if (ccmp && !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) &&
+ (ssid->pairwise_cipher & WPA_CIPHER_TKIP) &&
+ (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
+ wpa_printf(MSG_DEBUG, "WPS: Add CCMP into the credential "
+ "based on scan results");
+ if (wpa_s->conf->ap_scan == 1)
+ ssid->pairwise_cipher |= WPA_CIPHER_CCMP;
+ else
+ ssid->pairwise_cipher = WPA_CIPHER_CCMP;
+ }
+
+ if (wpa2 && !(ssid->proto & WPA_PROTO_RSN) &&
+ (ssid->proto & WPA_PROTO_WPA) &&
+ (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP)) {
+ wpa_printf(MSG_DEBUG, "WPS: Add WPA2 into the credential "
+ "based on scan results");
+ if (wpa_s->conf->ap_scan == 1)
+ ssid->proto |= WPA_PROTO_RSN;
+ else
+ ssid->proto = WPA_PROTO_RSN;
+ }
+}
+
+
+static int wpa_supplicant_wps_cred(void *ctx,
+ const struct wps_credential *cred)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ struct wpa_ssid *ssid = wpa_s->current_ssid;
+ u8 key_idx = 0;
+ u16 auth_type;
+ int registrar = 0;
+
+ if ((wpa_s->conf->wps_cred_processing == 1 ||
+ wpa_s->conf->wps_cred_processing == 2) && cred->cred_attr) {
+ size_t blen = cred->cred_attr_len * 2 + 1;
+ char *buf = os_malloc(blen);
+ if (buf) {
+ wpa_snprintf_hex(buf, blen,
+ cred->cred_attr, cred->cred_attr_len);
+ wpa_msg(wpa_s, MSG_INFO, "%s%s",
+ WPS_EVENT_CRED_RECEIVED, buf);
+ os_free(buf);
+ }
+
+ wpas_notify_wps_credential(wpa_s, cred);
+ } else
+ wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CRED_RECEIVED);
+
+ wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute",
+ cred->cred_attr, cred->cred_attr_len);
+
+ if (wpa_s->conf->wps_cred_processing == 1)
+ return 0;
+
+ wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len);
+ wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x",
+ cred->auth_type);
+ wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type);
+ wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx);
+ wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key",
+ cred->key, cred->key_len);
+ wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR,
+ MAC2STR(cred->mac_addr));
+
+ auth_type = cred->auth_type;
+ if (auth_type == (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
+ wpa_printf(MSG_DEBUG, "WPS: Workaround - convert mixed-mode "
+ "auth_type into WPA2PSK");
+ auth_type = WPS_AUTH_WPA2PSK;
+ }
+
+ if (auth_type != WPS_AUTH_OPEN &&
+ auth_type != WPS_AUTH_SHARED &&
+ auth_type != WPS_AUTH_WPAPSK &&
+ auth_type != WPS_AUTH_WPA2PSK) {
+ wpa_printf(MSG_DEBUG, "WPS: Ignored credentials for "
+ "unsupported authentication type 0x%x",
+ auth_type);
+ return 0;
+ }
+
+ if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
+ wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based "
+ "on the received credential");
+ if (ssid->eap.identity &&
+ ssid->eap.identity_len == WSC_ID_REGISTRAR_LEN &&
+ os_memcmp(ssid->eap.identity, WSC_ID_REGISTRAR,
+ WSC_ID_REGISTRAR_LEN) == 0)
+ registrar = 1;
+ os_free(ssid->eap.identity);
+ ssid->eap.identity = NULL;
+ ssid->eap.identity_len = 0;
+ os_free(ssid->eap.phase1);
+ ssid->eap.phase1 = NULL;
+ os_free(ssid->eap.eap_methods);
+ ssid->eap.eap_methods = NULL;
+ if (!ssid->p2p_group)
+ ssid->temporary = 0;
+ } else {
+ wpa_printf(MSG_DEBUG, "WPS: Create a new network based on the "
+ "received credential");
+ ssid = wpa_config_add_network(wpa_s->conf);
+ if (ssid == NULL)
+ return -1;
+ wpas_notify_network_added(wpa_s, ssid);
+ }
+
+ wpa_config_set_network_defaults(ssid);
+
+ os_free(ssid->ssid);
+ ssid->ssid = os_malloc(cred->ssid_len);
+ if (ssid->ssid) {
+ os_memcpy(ssid->ssid, cred->ssid, cred->ssid_len);
+ ssid->ssid_len = cred->ssid_len;
+ }
+
+ switch (cred->encr_type) {
+ case WPS_ENCR_NONE:
+ break;
+ case WPS_ENCR_WEP:
+ if (cred->key_len <= 0)
+ break;
+ if (cred->key_len != 5 && cred->key_len != 13 &&
+ cred->key_len != 10 && cred->key_len != 26) {
+ wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key length "
+ "%lu", (unsigned long) cred->key_len);
+ return -1;
+ }
+ if (cred->key_idx > NUM_WEP_KEYS) {
+ wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key index %d",
+ cred->key_idx);
+ return -1;
+ }
+ if (cred->key_idx)
+ key_idx = cred->key_idx - 1;
+ if (cred->key_len == 10 || cred->key_len == 26) {
+ if (hexstr2bin((char *) cred->key,
+ ssid->wep_key[key_idx],
+ cred->key_len / 2) < 0) {
+ wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key "
+ "%d", key_idx);
+ return -1;
+ }
+ ssid->wep_key_len[key_idx] = cred->key_len / 2;
+ } else {
+ os_memcpy(ssid->wep_key[key_idx], cred->key,
+ cred->key_len);
+ ssid->wep_key_len[key_idx] = cred->key_len;
+ }
+ ssid->wep_tx_keyidx = key_idx;
+ break;
+ case WPS_ENCR_TKIP:
+ ssid->pairwise_cipher = WPA_CIPHER_TKIP;
+ break;
+ case WPS_ENCR_AES:
+ ssid->pairwise_cipher = WPA_CIPHER_CCMP;
+ break;
+ }
+
+ switch (auth_type) {
+ case WPS_AUTH_OPEN:
+ ssid->auth_alg = WPA_AUTH_ALG_OPEN;
+ ssid->key_mgmt = WPA_KEY_MGMT_NONE;
+ ssid->proto = 0;
+#ifdef CONFIG_WPS_REG_DISABLE_OPEN
+ 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_WPA:
+ ssid->auth_alg = WPA_AUTH_ALG_OPEN;
+ ssid->key_mgmt = WPA_KEY_MGMT_IEEE8021X;
+ ssid->proto = WPA_PROTO_WPA;
+ break;
+ case WPS_AUTH_WPA2:
+ ssid->auth_alg = WPA_AUTH_ALG_OPEN;
+ ssid->key_mgmt = WPA_KEY_MGMT_IEEE8021X;
+ ssid->proto = WPA_PROTO_RSN;
+ break;
+ case WPS_AUTH_WPA2PSK:
+ ssid->auth_alg = WPA_AUTH_ALG_OPEN;
+ ssid->key_mgmt = WPA_KEY_MGMT_PSK;
+ ssid->proto = WPA_PROTO_RSN;
+ break;
+ }
+
+ if (ssid->key_mgmt == WPA_KEY_MGMT_PSK) {
+ if (cred->key_len == 2 * PMK_LEN) {
+ if (hexstr2bin((const char *) cred->key, ssid->psk,
+ PMK_LEN)) {
+ wpa_printf(MSG_ERROR, "WPS: Invalid Network "
+ "Key");
+ return -1;
+ }
+ ssid->psk_set = 1;
+ 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);
+
+#ifndef CONFIG_NO_CONFIG_WRITE
+ if (wpa_s->conf->update_config &&
+ wpa_config_write(wpa_s->confname, wpa_s->conf)) {
+ wpa_printf(MSG_DEBUG, "WPS: Failed to update configuration");
+ return -1;
+ }
+#endif /* CONFIG_NO_CONFIG_WRITE */
+
+ return 0;
+}
+
+
+#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 const char * wps_event_fail_reason[NUM_WPS_EI_VALUES] = {
+ "No Error", /* WPS_EI_NO_ERROR */
+ "TKIP Only Prohibited", /* WPS_EI_SECURITY_TKIP_ONLY_PROHIBITED */
+ "WEP Prohibited" /* WPS_EI_SECURITY_WEP_PROHIBITED */
+};
+
+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_event_fail_reason[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_event_fail_reason[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);
+ }
+ wpas_clear_wps(wpa_s);
+ wpas_notify_wps_event_fail(wpa_s, fail);
+}
+
+
+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);
+#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_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;
+ }
+}
+
+
+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;
+
+ eloop_cancel_timeout(wpas_wps_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_s->current_ssid = NULL;
+ if (ssid != NULL)
+ wpas_notify_network_changed(wpa_s);
+ }
+ id = ssid->id;
+ remove_ssid = ssid;
+ } else
+ id = -1;
+ ssid = ssid->next;
+ if (id >= 0) {
+ wpas_notify_network_removed(wpa_s, remove_ssid);
+ wpa_config_remove_network(wpa_s->conf, id);
+ }
+ }
+}
+
+
+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 *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;
+ }
+
+ 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_reassoc(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *selected)
+{
+ struct wpa_ssid *ssid;
+
+ /* Mark all other networks disabled and trigger reassociation */
+ ssid = wpa_s->conf->ssid;
+ while (ssid) {
+ int was_disabled = ssid->disabled;
+ ssid->disabled = ssid != selected;
+ if (was_disabled != ssid->disabled)
+ wpas_notify_network_enabled_changed(wpa_s, ssid);
+ ssid = ssid->next;
+ }
+ wpa_s->disconnected = 0;
+ wpa_s->reassociate = 1;
+ wpa_s->scan_runs = 0;
+ wpa_s->wps_success = 0;
+ wpa_s->blacklist_cleared = 0;
+ 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, 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 */
+ wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0);
+ 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);
+ return 0;
+}
+
+
+int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
+ const char *pin, int p2p_group, u16 dev_pw_id)
+{
+ struct wpa_ssid *ssid;
+ char val[128];
+ unsigned int rpin = 0;
+
+ wpas_clear_wps(wpa_s);
+ ssid = wpas_wps_add_network(wpa_s, 0, 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 (pin)
+ os_snprintf(val, sizeof(val), "\"pin=%s dev_pw_id=%u\"",
+ pin, dev_pw_id);
+ else {
+ rpin = wps_generate_pin();
+ os_snprintf(val, sizeof(val), "\"pin=%08d dev_pw_id=%u\"",
+ rpin, dev_pw_id);
+ }
+ wpa_config_set(ssid, "phase1", val, 0);
+ 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);
+ return rpin;
+}
+
+
+/* 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_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);
+ }
+
+ return 0;
+}
+
+
+#ifdef CONFIG_WPS_OOB
+int wpas_wps_start_oob(struct wpa_supplicant *wpa_s, char *device_type,
+ char *path, char *method, char *name)
+{
+ struct wps_context *wps = wpa_s->wps;
+ struct oob_device_data *oob_dev;
+
+ oob_dev = wps_get_oob_device(device_type);
+ if (oob_dev == NULL)
+ return -1;
+ oob_dev->device_path = path;
+ oob_dev->device_name = name;
+ wps->oob_conf.oob_method = wps_get_oob_method(method);
+
+ if (wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E) {
+ /*
+ * Use pre-configured DH keys in order to be able to write the
+ * key hash into the OOB file.
+ */
+ wpabuf_free(wps->dh_pubkey);
+ wpabuf_free(wps->dh_privkey);
+ wps->dh_privkey = NULL;
+ wps->dh_pubkey = NULL;
+ dh5_free(wps->dh_ctx);
+ wps->dh_ctx = dh5_init(&wps->dh_privkey, &wps->dh_pubkey);
+ wps->dh_pubkey = wpabuf_zeropad(wps->dh_pubkey, 192);
+ if (wps->dh_ctx == NULL || wps->dh_pubkey == NULL) {
+ wpa_printf(MSG_ERROR, "WPS: Failed to initialize "
+ "Diffie-Hellman handshake");
+ return -1;
+ }
+ }
+
+ if (wps->oob_conf.oob_method == OOB_METHOD_CRED)
+ wpas_clear_wps(wpa_s);
+
+ if (wps_process_oob(wps, oob_dev, 0) < 0)
+ return -1;
+
+ if ((wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E ||
+ wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_R) &&
+ wpas_wps_start_pin(wpa_s, NULL,
+ wpabuf_head(wps->oob_conf.dev_password), 0,
+ DEV_PW_DEFAULT) < 0)
+ return -1;
+
+ return 0;
+}
+#endif /* CONFIG_WPS_OOB */
+
+
+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, 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;
+ wpa_config_set(ssid, "phase1", val, 0);
+ 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);
+ return 0;
+}
+
+
+static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *psk,
+ size_t psk_len)
+{
+ wpa_printf(MSG_DEBUG, "WPS: Received new WPA/WPA2-PSK from WPS for "
+ "STA " MACSTR, MAC2STR(mac_addr));
+ wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len);
+
+ /* TODO */
+
+ return 0;
+}
+
+
+static void wpas_wps_pin_needed_cb(void *ctx, const u8 *uuid_e,
+ const struct wps_device_data *dev)
+{
+ char uuid[40], txt[400];
+ int len;
+ 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)
+{
+ wpa_printf(MSG_DEBUG, "WPS: Set UUID for interface %s", wpa_s->ifname);
+ 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) {
+ os_memcpy(wps->uuid, wpa_s->global->ifaces->wps->uuid,
+ WPS_UUID_LEN);
+ wpa_hexdump(MSG_DEBUG, "WPS: UUID from the first "
+ "interface", wps->uuid, WPS_UUID_LEN);
+ } else {
+ uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid);
+ wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC "
+ "address", wps->uuid, WPS_UUID_LEN);
+ }
+ } else {
+ os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
+ wpa_hexdump(MSG_DEBUG, "WPS: UUID based on configuration",
+ wps->uuid, WPS_UUID_LEN);
+ }
+}
+
+
+int wpas_wps_init(struct wpa_supplicant *wpa_s)
+{
+ struct wps_context *wps;
+ struct wps_registrar_config rcfg;
+
+ 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->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);
+ 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);
+
+ wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
+ wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ; /* TODO: config */
+ 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;
+}
+
+
+void wpas_wps_deinit(struct wpa_supplicant *wpa_s)
+{
+ eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
+
+ if (wpa_s->wps == NULL)
+ return;
+
+#ifdef CONFIG_WPS_ER
+ wps_er_deinit(wpa_s->wps_er, NULL, NULL);
+ wpa_s->wps_er = NULL;
+#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->oob_conf.pubkey_hash);
+ wpabuf_free(wpa_s->wps->oob_conf.dev_password);
+ 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_scan_res *bss)
+{
+ struct wpabuf *wps_ie;
+
+ if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS))
+ return -1;
+
+ wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
+ if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
+ if (!wps_ie) {
+ wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
+ return 0;
+ }
+
+ if (!wps_is_selected_pbc_registrar(wps_ie)) {
+ wpa_printf(MSG_DEBUG, " skip - WPS AP "
+ "without active PBC Registrar");
+ wpabuf_free(wps_ie);
+ return 0;
+ }
+
+ /* TODO: overlap detection */
+ wpa_printf(MSG_DEBUG, " selected based on WPS IE "
+ "(Active PBC)");
+ wpabuf_free(wps_ie);
+ return 1;
+ }
+
+ if (eap_is_wps_pin_enrollee(&ssid->eap)) {
+ if (!wps_ie) {
+ wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
+ return 0;
+ }
+
+ /*
+ * 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_scan_res *bss)
+{
+ struct wpabuf *wps_ie = NULL;
+ int ret = 0;
+
+ if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
+ wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
+ if (wps_ie && wps_is_selected_pbc_registrar(wps_ie)) {
+ /* allow wildcard SSID for WPS PBC */
+ ret = 1;
+ }
+ } else if (eap_is_wps_pin_enrollee(&ssid->eap)) {
+ wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
+ 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_scan_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];
+ int any = 0;
+
+ if (os_strcmp(uuid, "any") == 0)
+ any = 1;
+ else if (uuid_str2bin(uuid, u))
+ return -1;
+ return wps_registrar_add_pin(wpa_s->wps->registrar, addr,
+ any ? NULL : u,
+ (const u8 *) pin, os_strlen(pin), 300);
+}
+
+
+int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid)
+{
+ u8 u[UUID_LEN];
+
+ if (uuid_str2bin(uuid, u))
+ return -1;
+ return wps_er_pbc(wpa_s->wps_er, u);
+}
+
+
+int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid,
+ const char *pin)
+{
+ u8 u[UUID_LEN];
+
+ if (uuid_str2bin(uuid, u))
+ return -1;
+ return wps_er_learn(wpa_s->wps_er, u, (const u8 *) pin,
+ os_strlen(pin));
+}
+
+
+int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid,
+ int id)
+{
+ u8 u[UUID_LEN];
+ struct wpa_ssid *ssid;
+ struct wps_credential cred;
+
+ if (uuid_str2bin(uuid, u))
+ return -1;
+ ssid = wpa_config_get_network(wpa_s->conf, id);
+ if (ssid == NULL || ssid->ssid == NULL)
+ return -1;
+
+ 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 wps_er_set_config(wpa_s->wps_er, u, &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];
+ struct wps_credential cred;
+ size_t len;
+
+ if (uuid_str2bin(uuid, u))
+ 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, u, (const u8 *) pin,
+ os_strlen(pin), &cred);
+}
+
+
+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;
+}
+
+
+int wpas_wps_in_progress(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_ssid *ssid;
+
+ for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
+ if (!ssid->disabled && ssid->key_mgmt == WPA_KEY_MGMT_WPS)
+ return 1;
+ }
+
+ 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);
+
+ 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_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;
+ }
+}