/*
* hostapd / WPS integration
- * Copyright (c) 2008-2010, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2008-2012, 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.
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "utils/eloop.h"
#include "utils/uuid.h"
-#include "crypto/dh_groups.h"
#include "common/wpa_ctrl.h"
#include "common/ieee802_11_defs.h"
#include "common/ieee802_11_common.h"
#include "wps/wps.h"
#include "wps/wps_defs.h"
#include "wps/wps_dev_attr.h"
+#include "wps/wps_attr_parse.h"
#include "hostapd.h"
#include "ap_config.h"
+#include "ap_drv_ops.h"
#include "beacon.h"
#include "sta_info.h"
#include "wps_hostapd.h"
static void hostapd_wps_upnp_deinit(struct hostapd_data *hapd);
#endif /* CONFIG_WPS_UPNP */
-static int hostapd_wps_probe_req_rx(void *ctx, const u8 *addr,
- const u8 *ie, size_t ie_len);
+static int hostapd_wps_probe_req_rx(void *ctx, const u8 *addr, const u8 *da,
+ const u8 *bssid,
+ const u8 *ie, size_t ie_len,
+ int ssi_signal);
static void hostapd_wps_ap_pin_timeout(void *eloop_data, void *user_ctx);
+static void hostapd_wps_nfc_clear(struct wps_context *wps);
struct wps_for_each_data {
int (*func)(struct hostapd_data *h, void *ctx);
void *ctx;
+ struct hostapd_data *calling_hapd;
};
return 0;
for (j = 0; j < iface->num_bss; j++) {
struct hostapd_data *hapd = iface->bss[j];
- int ret = data->func(hapd, data->ctx);
+ int ret;
+
+ if (hapd != data->calling_hapd &&
+ (hapd->conf->wps_independent ||
+ data->calling_hapd->conf->wps_independent))
+ continue;
+
+ ret = data->func(hapd, data->ctx);
if (ret)
return ret;
}
struct wps_for_each_data data;
data.func = func;
data.ctx = ctx;
- if (iface->for_each_interface == NULL)
+ data.calling_hapd = hapd;
+ if (iface->interfaces == NULL ||
+ iface->interfaces->for_each_interface == NULL)
return wps_for_each(iface, &data);
- return iface->for_each_interface(iface->interfaces, wps_for_each,
- &data);
+ return iface->interfaces->for_each_interface(iface->interfaces,
+ wps_for_each, &data);
}
-static int hostapd_wps_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *psk,
+static int hostapd_wps_new_psk_cb(void *ctx, const u8 *mac_addr,
+ const u8 *p2p_dev_addr, const u8 *psk,
size_t psk_len)
{
struct hostapd_data *hapd = ctx;
struct hostapd_wpa_psk *p;
struct hostapd_ssid *ssid = &hapd->conf->ssid;
- wpa_printf(MSG_DEBUG, "Received new WPA/WPA2-PSK from WPS for STA "
- MACSTR, MAC2STR(mac_addr));
+ 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);
if (psk_len != PMK_LEN) {
if (p == NULL)
return -1;
os_memcpy(p->addr, mac_addr, ETH_ALEN);
+ os_memcpy(p->p2p_dev_addr, p2p_dev_addr, ETH_ALEN);
os_memcpy(p->psk, psk, PMK_LEN);
+ if (hapd->new_psk_cb) {
+ hapd->new_psk_cb(hapd->new_psk_cb_ctx, mac_addr, p2p_dev_addr,
+ psk, psk_len);
+ }
+
p->next = ssid->wpa_psk;
ssid->wpa_psk = p;
hapd->wps_beacon_ie = beacon_ie;
wpabuf_free(hapd->wps_probe_resp_ie);
hapd->wps_probe_resp_ie = probe_resp_ie;
- ieee802_11_set_beacon(hapd);
- return hapd->drv.set_ap_wps_ie(hapd);
+ if (hapd->beacon_set_done)
+ ieee802_11_set_beacon(hapd);
+ return hostapd_set_ap_wps_ie(hapd);
}
dev->model_number, dev->serial_number,
wps_dev_type_bin2str(dev->pri_dev_type, devtype,
sizeof(devtype)));
- if (len > 0 && len < (int) sizeof(txt))
+ if (!os_snprintf_error(sizeof(txt), len))
wpa_msg(hapd->msg_ctx, MSG_INFO, "%s", txt);
if (hapd->conf->wps_pin_requests) {
}
+struct wps_stop_reg_data {
+ struct hostapd_data *current_hapd;
+ const u8 *uuid_e;
+ const u8 *dev_pw;
+ size_t dev_pw_len;
+};
+
+static int wps_stop_registrar(struct hostapd_data *hapd, void *ctx)
+{
+ struct wps_stop_reg_data *data = ctx;
+ if (hapd != data->current_hapd && hapd->wps != NULL)
+ wps_registrar_complete(hapd->wps->registrar, data->uuid_e,
+ data->dev_pw, data->dev_pw_len);
+ return 0;
+}
+
+
static void hostapd_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
- const u8 *uuid_e)
+ const u8 *uuid_e, const u8 *dev_pw,
+ size_t dev_pw_len)
{
struct hostapd_data *hapd = ctx;
char uuid[40];
+ struct wps_stop_reg_data data;
if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
return;
wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_REG_SUCCESS MACSTR " %s",
if (hapd->wps_reg_success_cb)
hapd->wps_reg_success_cb(hapd->wps_reg_success_cb_ctx,
mac_addr, uuid_e);
+ data.current_hapd = hapd;
+ data.uuid_e = uuid_e;
+ data.dev_pw = dev_pw;
+ data.dev_pw_len = dev_pw_len;
+ hostapd_wps_for_each(hapd, wps_stop_registrar, &data);
}
struct hostapd_iface *iface = eloop_data;
wpa_printf(MSG_DEBUG, "WPS: Reload configuration data");
- if (iface->reload_config(iface) < 0) {
+ if (iface->interfaces == NULL ||
+ iface->interfaces->reload_config(iface) < 0) {
wpa_printf(MSG_WARNING, "WPS: Failed to reload the updated "
"configuration");
}
}
+void hostapd_wps_eap_completed(struct hostapd_data *hapd)
+{
+ /*
+ * Reduce race condition of the station trying to reconnect immediately
+ * after AP reconfiguration through WPS by rescheduling the reload
+ * timeout to happen after EAP completion rather than the originally
+ * scheduled 100 ms after new configuration became known.
+ */
+ if (eloop_deplete_timeout(0, 0, wps_reload_config, hapd->iface, NULL) ==
+ 1)
+ wpa_printf(MSG_DEBUG, "WPS: Reschedule immediate configuration reload");
+}
+
+
+static void hapd_new_ap_event(struct hostapd_data *hapd, const u8 *attr,
+ size_t attr_len)
+{
+ size_t blen = attr_len * 2 + 1;
+ char *buf = os_malloc(blen);
+ if (buf) {
+ wpa_snprintf_hex(buf, blen, attr, attr_len);
+ wpa_msg(hapd->msg_ctx, MSG_INFO,
+ WPS_EVENT_NEW_AP_SETTINGS "%s", buf);
+ os_free(buf);
+ }
+}
+
+
+static int hapd_wps_reconfig_in_memory(struct hostapd_data *hapd,
+ const struct wps_credential *cred)
+{
+ struct hostapd_bss_config *bss = hapd->conf;
+
+ wpa_printf(MSG_DEBUG, "WPS: Updating in-memory configuration");
+
+ bss->wps_state = 2;
+ if (cred->ssid_len <= SSID_MAX_LEN) {
+ os_memcpy(bss->ssid.ssid, cred->ssid, cred->ssid_len);
+ bss->ssid.ssid_len = cred->ssid_len;
+ bss->ssid.ssid_set = 1;
+ }
+
+ if ((cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK)) &&
+ (cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK)))
+ bss->wpa = 3;
+ else if (cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK))
+ bss->wpa = 2;
+ else if (cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK))
+ bss->wpa = 1;
+ else
+ bss->wpa = 0;
+
+ if (bss->wpa) {
+ if (cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA))
+ bss->wpa_key_mgmt = WPA_KEY_MGMT_IEEE8021X;
+ if (cred->auth_type & (WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK))
+ bss->wpa_key_mgmt = WPA_KEY_MGMT_PSK;
+
+ bss->wpa_pairwise = 0;
+ if (cred->encr_type & WPS_ENCR_AES) {
+ if (hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211AD)
+ bss->wpa_pairwise |= WPA_CIPHER_GCMP;
+ else
+ bss->wpa_pairwise |= WPA_CIPHER_CCMP;
+ }
+ if (cred->encr_type & WPS_ENCR_TKIP)
+ bss->wpa_pairwise |= WPA_CIPHER_TKIP;
+ bss->rsn_pairwise = bss->wpa_pairwise;
+ bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa,
+ bss->wpa_pairwise,
+ bss->rsn_pairwise);
+
+ if (cred->key_len >= 8 && cred->key_len < 64) {
+ os_free(bss->ssid.wpa_passphrase);
+ bss->ssid.wpa_passphrase = os_zalloc(cred->key_len + 1);
+ if (bss->ssid.wpa_passphrase)
+ os_memcpy(bss->ssid.wpa_passphrase, cred->key,
+ cred->key_len);
+ hostapd_config_clear_wpa_psk(&bss->ssid.wpa_psk);
+ } else if (cred->key_len == 64) {
+ hostapd_config_clear_wpa_psk(&bss->ssid.wpa_psk);
+ bss->ssid.wpa_psk =
+ os_zalloc(sizeof(struct hostapd_wpa_psk));
+ if (bss->ssid.wpa_psk &&
+ hexstr2bin((const char *) cred->key,
+ bss->ssid.wpa_psk->psk, PMK_LEN) == 0) {
+ bss->ssid.wpa_psk->group = 1;
+ os_free(bss->ssid.wpa_passphrase);
+ bss->ssid.wpa_passphrase = NULL;
+ }
+ }
+ bss->auth_algs = 1;
+ } else {
+ /*
+ * WPS 2.0 does not allow WEP to be configured, so no need to
+ * process that option here either.
+ */
+ bss->auth_algs = 1;
+ }
+
+ /* Schedule configuration reload after short period of time to allow
+ * EAP-WSC to be finished.
+ */
+ eloop_register_timeout(0, 100000, wps_reload_config, hapd->iface,
+ NULL);
+
+ return 0;
+}
+
+
static int hapd_wps_cred_cb(struct hostapd_data *hapd, void *ctx)
{
const struct wps_credential *cred = ctx;
if ((hapd->conf->wps_cred_processing == 1 ||
hapd->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(hapd->msg_ctx, MSG_INFO, "%s%s",
- WPS_EVENT_NEW_AP_SETTINGS, _buf);
- os_free(_buf);
- }
+ hapd_new_ap_event(hapd, cred->cred_attr, cred->cred_attr_len);
+ } else if (hapd->conf->wps_cred_processing == 1 ||
+ hapd->conf->wps_cred_processing == 2) {
+ struct wpabuf *attr;
+ attr = wpabuf_alloc(200);
+ if (attr && wps_build_credential_wrap(attr, cred) == 0)
+ hapd_new_ap_event(hapd, wpabuf_head_u8(attr),
+ wpabuf_len(attr));
+ wpabuf_free(attr);
} else
wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_NEW_AP_SETTINGS);
hapd->wps->ssid_len = cred->ssid_len;
hapd->wps->encr_types = cred->encr_type;
hapd->wps->auth_types = cred->auth_type;
+ hapd->wps->ap_encr_type = cred->encr_type;
+ hapd->wps->ap_auth_type = cred->auth_type;
if (cred->key_len == 0) {
os_free(hapd->wps->network_key);
hapd->wps->network_key = NULL;
hapd->wps->network_key_len = 0;
+ } else if ((cred->auth_type & (WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK)) &&
+ (cred->key_len < 8 || cred->key_len > 2 * PMK_LEN)) {
+ wpa_printf(MSG_INFO, "WPS: Invalid key length %lu for WPA/WPA2",
+ (unsigned long) cred->key_len);
+ return -1;
} else {
if (hapd->wps->network_key == NULL ||
hapd->wps->network_key_len < cred->key_len) {
}
hapd->wps->wps_state = WPS_STATE_CONFIGURED;
+ if (hapd->iface->config_fname == NULL)
+ return hapd_wps_reconfig_in_memory(hapd, cred);
len = os_strlen(hapd->iface->config_fname) + 5;
tmp_fname = os_malloc(len);
if (tmp_fname == NULL)
fprintf(nconf, "wps_state=2\n");
- fprintf(nconf, "ssid=");
- for (i = 0; i < cred->ssid_len; i++)
- fputc(cred->ssid[i], nconf);
- fprintf(nconf, "\n");
+ if (is_hex(cred->ssid, cred->ssid_len)) {
+ fprintf(nconf, "ssid2=");
+ for (i = 0; i < cred->ssid_len; i++)
+ fprintf(nconf, "%02x", cred->ssid[i]);
+ fprintf(nconf, "\n");
+ } else {
+ fprintf(nconf, "ssid=");
+ for (i = 0; i < cred->ssid_len; i++)
+ fputc(cred->ssid[i], nconf);
+ fprintf(nconf, "\n");
+ }
if ((cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK)) &&
(cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK)))
fprintf(nconf, "wpa_pairwise=");
prefix = "";
if (cred->encr_type & WPS_ENCR_AES) {
- fprintf(nconf, "CCMP");
+ if (hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211AD)
+ fprintf(nconf, "GCMP");
+ else
+ fprintf(nconf, "CCMP");
+
prefix = " ";
}
if (cred->encr_type & WPS_ENCR_TKIP) {
fprintf(nconf, "auth_algs=1\n");
} else {
- if ((cred->auth_type & WPS_AUTH_OPEN) &&
- (cred->auth_type & WPS_AUTH_SHARED))
- fprintf(nconf, "auth_algs=3\n");
- else if (cred->auth_type & WPS_AUTH_SHARED)
- fprintf(nconf, "auth_algs=2\n");
- else
- fprintf(nconf, "auth_algs=1\n");
-
- if (cred->encr_type & WPS_ENCR_WEP && cred->key_idx <= 4) {
- int key_idx = cred->key_idx;
- if (key_idx)
- key_idx--;
- fprintf(nconf, "wep_default_key=%d\n", key_idx);
- fprintf(nconf, "wep_key%d=", key_idx);
- if (cred->key_len == 10 || cred->key_len == 26) {
- /* WEP key as a hex string */
- for (i = 0; i < cred->key_len; i++)
- fputc(cred->key[i], nconf);
- } else {
- /* Raw WEP key; convert to hex */
- for (i = 0; i < cred->key_len; i++)
- fprintf(nconf, "%02x", cred->key[i]);
- }
- fprintf(nconf, "\n");
- }
+ /*
+ * WPS 2.0 does not allow WEP to be configured, so no need to
+ * process that option here either.
+ */
+ fprintf(nconf, "auth_algs=1\n");
}
fprintf(nconf, "# WPS configuration - END\n");
multi_bss = 1;
if (!multi_bss &&
(str_starts(buf, "ssid=") ||
+ str_starts(buf, "ssid2=") ||
str_starts(buf, "auth_algs=") ||
+ str_starts(buf, "wep_default_key=") ||
+ str_starts(buf, "wep_key") ||
str_starts(buf, "wps_state=") ||
str_starts(buf, "wpa=") ||
str_starts(buf, "wpa_psk=") ||
if (hapd->conf->ap_setup_locked)
return;
+ if (hapd->ap_pin_failures_consecutive >= 10)
+ return;
wpa_printf(MSG_DEBUG, "WPS: Re-enable AP PIN");
wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_SETUP_UNLOCKED);
* force attacks.
*/
hapd->ap_pin_failures++;
- wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
- hapd->ap_pin_failures);
+ hapd->ap_pin_failures_consecutive++;
+ wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u "
+ "(%u consecutive)",
+ hapd->ap_pin_failures, hapd->ap_pin_failures_consecutive);
if (hapd->ap_pin_failures < 3)
return 0;
wps_registrar_update_ie(hapd->wps->registrar);
- if (!hapd->conf->ap_setup_locked) {
+ if (!hapd->conf->ap_setup_locked &&
+ hapd->ap_pin_failures_consecutive >= 10) {
+ /*
+ * In indefinite lockdown - disable automatic AP PIN
+ * reenablement.
+ */
+ eloop_cancel_timeout(hostapd_wps_reenable_ap_pin, hapd, NULL);
+ wpa_printf(MSG_DEBUG, "WPS: AP PIN disabled indefinitely");
+ } else if (!hapd->conf->ap_setup_locked) {
if (hapd->ap_pin_lockout_time == 0)
hapd->ap_pin_lockout_time = 60;
else if (hapd->ap_pin_lockout_time < 365 * 24 * 60 * 60 &&
static void hostapd_pwd_auth_fail(struct hostapd_data *hapd,
struct wps_event_pwd_auth_fail *data)
{
+ /* Update WPS Status - Authentication Failure */
+ wpa_printf(MSG_DEBUG, "WPS: Authentication failure update");
+ hapd->wps_stats.status = WPS_STATUS_FAILURE;
+ hapd->wps_stats.failure_reason = WPS_EI_AUTH_FAILURE;
+ os_memcpy(hapd->wps_stats.peer_addr, data->peer_macaddr, ETH_ALEN);
+
hostapd_wps_for_each(hapd, wps_pwd_auth_fail, data);
}
+static int wps_ap_pin_success(struct hostapd_data *hapd, void *ctx)
+{
+ if (hapd->conf->ap_pin == NULL || hapd->wps == NULL)
+ return 0;
+
+ if (hapd->ap_pin_failures_consecutive == 0)
+ return 0;
+
+ wpa_printf(MSG_DEBUG, "WPS: Clear consecutive AP PIN failure counter "
+ "- total validation failures %u (%u consecutive)",
+ hapd->ap_pin_failures, hapd->ap_pin_failures_consecutive);
+ hapd->ap_pin_failures_consecutive = 0;
+
+ return 0;
+}
+
+
+static void hostapd_wps_ap_pin_success(struct hostapd_data *hapd)
+{
+ hostapd_wps_for_each(hapd, wps_ap_pin_success, NULL);
+}
+
+
+static void hostapd_wps_event_pbc_overlap(struct hostapd_data *hapd)
+{
+ /* Update WPS Status - PBC Overlap */
+ hapd->wps_stats.pbc_status = WPS_PBC_STATUS_OVERLAP;
+}
+
+
+static void hostapd_wps_event_pbc_timeout(struct hostapd_data *hapd)
+{
+ /* Update WPS PBC Status:PBC Timeout */
+ hapd->wps_stats.pbc_status = WPS_PBC_STATUS_TIMEOUT;
+}
+
+
+static void hostapd_wps_event_pbc_active(struct hostapd_data *hapd)
+{
+ /* Update WPS PBC status - Active */
+ hapd->wps_stats.pbc_status = WPS_PBC_STATUS_ACTIVE;
+}
+
+
+static void hostapd_wps_event_pbc_disable(struct hostapd_data *hapd)
+{
+ /* Update WPS PBC status - Active */
+ hapd->wps_stats.pbc_status = WPS_PBC_STATUS_DISABLE;
+}
+
+
+static void hostapd_wps_event_success(struct hostapd_data *hapd,
+ struct wps_event_success *success)
+{
+ /* Update WPS status - Success */
+ hapd->wps_stats.pbc_status = WPS_PBC_STATUS_DISABLE;
+ hapd->wps_stats.status = WPS_STATUS_SUCCESS;
+ os_memcpy(hapd->wps_stats.peer_addr, success->peer_macaddr, ETH_ALEN);
+}
+
+
static void hostapd_wps_event_fail(struct hostapd_data *hapd,
struct wps_event_fail *fail)
{
- wpa_msg(hapd->msg_ctx, MSG_INFO,
- WPS_EVENT_FAIL "msg=%d config_error=%d",
- fail->msg, fail->config_error);
+ /* Update WPS status - Failure */
+ hapd->wps_stats.status = WPS_STATUS_FAILURE;
+ os_memcpy(hapd->wps_stats.peer_addr, fail->peer_macaddr, ETH_ALEN);
+
+ hapd->wps_stats.failure_reason = fail->error_indication;
+
+ if (fail->error_indication > 0 &&
+ fail->error_indication < NUM_WPS_EI_VALUES) {
+ wpa_msg(hapd->msg_ctx, 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(hapd->msg_ctx, MSG_INFO,
+ WPS_EVENT_FAIL "msg=%d config_error=%d",
+ fail->msg, fail->config_error);
+ }
}
switch (event) {
case WPS_EV_M2D:
+ wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_M2D);
break;
case WPS_EV_FAIL:
hostapd_wps_event_fail(hapd, &data->fail);
break;
case WPS_EV_SUCCESS:
+ hostapd_wps_event_success(hapd, &data->success);
+ wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_SUCCESS);
break;
case WPS_EV_PWD_AUTH_FAIL:
hostapd_pwd_auth_fail(hapd, &data->pwd_auth_fail);
break;
case WPS_EV_PBC_OVERLAP:
+ hostapd_wps_event_pbc_overlap(hapd);
+ wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_OVERLAP);
break;
case WPS_EV_PBC_TIMEOUT:
+ hostapd_wps_event_pbc_timeout(hapd);
+ wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_TIMEOUT);
+ break;
+ case WPS_EV_PBC_ACTIVE:
+ hostapd_wps_event_pbc_active(hapd);
+ wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_ACTIVE);
+ break;
+ case WPS_EV_PBC_DISABLE:
+ hostapd_wps_event_pbc_disable(hapd);
+ wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_DISABLE);
break;
case WPS_EV_ER_AP_ADD:
break;
break;
case WPS_EV_ER_AP_SETTINGS:
break;
+ case WPS_EV_ER_SET_SELECTED_REGISTRAR:
+ break;
+ case WPS_EV_AP_PIN_SUCCESS:
+ hostapd_wps_ap_pin_success(hapd);
+ break;
}
if (hapd->wps_event_cb)
hapd->wps_event_cb(hapd->wps_event_cb_ctx, event, data);
}
-static void hostapd_wps_clear_ies(struct hostapd_data *hapd)
+static int hostapd_wps_rf_band_cb(void *ctx)
+{
+ struct hostapd_data *hapd = ctx;
+
+ return hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211A ?
+ WPS_RF_50GHZ :
+ hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211AD ?
+ WPS_RF_60GHZ : WPS_RF_24GHZ; /* FIX: dualband AP */
+}
+
+
+static void hostapd_wps_clear_ies(struct hostapd_data *hapd, int deinit_only)
{
wpabuf_free(hapd->wps_beacon_ie);
hapd->wps_beacon_ie = NULL;
wpabuf_free(hapd->wps_probe_resp_ie);
hapd->wps_probe_resp_ie = NULL;
- hapd->drv.set_ap_wps_ie(hapd);
+ if (deinit_only) {
+ hostapd_reset_ap_wps_ie(hapd);
+ return;
+ }
+
+ hostapd_set_ap_wps_ie(hapd);
}
return 0;
for (j = 0; j < iface->num_bss; j++) {
struct hostapd_data *hapd = iface->bss[j];
- if (hapd->wps && !is_nil_uuid(hapd->wps->uuid)) {
+ if (hapd->wps && !hapd->conf->wps_independent &&
+ !is_nil_uuid(hapd->wps->uuid)) {
*uuid = hapd->wps->uuid;
return 1;
}
static const u8 * get_own_uuid(struct hostapd_iface *iface)
{
const u8 *uuid;
- if (iface->for_each_interface == NULL)
+ if (iface->interfaces == NULL ||
+ iface->interfaces->for_each_interface == NULL)
return NULL;
uuid = NULL;
- iface->for_each_interface(iface->interfaces, get_uuid_cb, &uuid);
+ iface->interfaces->for_each_interface(iface->interfaces, get_uuid_cb,
+ &uuid);
return uuid;
}
static int interface_count(struct hostapd_iface *iface)
{
int count = 0;
- if (iface->for_each_interface == NULL)
+ if (iface->interfaces == NULL ||
+ iface->interfaces->for_each_interface == NULL)
return 0;
- iface->for_each_interface(iface->interfaces, count_interface_cb,
- &count);
+ iface->interfaces->for_each_interface(iface->interfaces,
+ count_interface_cb, &count);
return count;
}
+static int hostapd_wps_set_vendor_ext(struct hostapd_data *hapd,
+ struct wps_context *wps)
+{
+ int i;
+
+ for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++) {
+ wpabuf_free(wps->dev.vendor_ext[i]);
+ wps->dev.vendor_ext[i] = NULL;
+
+ if (hapd->conf->wps_vendor_ext[i] == NULL)
+ continue;
+
+ wps->dev.vendor_ext[i] =
+ wpabuf_dup(hapd->conf->wps_vendor_ext[i]);
+ if (wps->dev.vendor_ext[i] == NULL) {
+ while (--i >= 0)
+ wpabuf_free(wps->dev.vendor_ext[i]);
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+
+static void hostapd_free_wps(struct wps_context *wps)
+{
+ int i;
+
+ for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++)
+ wpabuf_free(wps->dev.vendor_ext[i]);
+ wps_device_data_free(&wps->dev);
+ os_free(wps->network_key);
+ hostapd_wps_nfc_clear(wps);
+ wpabuf_free(wps->dh_pubkey);
+ wpabuf_free(wps->dh_privkey);
+ os_free(wps);
+}
+
+
int hostapd_init_wps(struct hostapd_data *hapd,
struct hostapd_bss_config *conf)
{
struct wps_registrar_config cfg;
if (conf->wps_state == 0) {
- hostapd_wps_clear_ies(hapd);
+ hostapd_wps_clear_ies(hapd, 0);
return 0;
}
wps->cred_cb = hostapd_wps_cred_cb;
wps->event_cb = hostapd_wps_event_cb;
+ wps->rf_band_cb = hostapd_wps_rf_band_cb;
wps->cb_ctx = hapd;
os_memset(&cfg, 0, sizeof(cfg));
if (is_nil_uuid(hapd->conf->uuid)) {
const u8 *uuid;
uuid = get_own_uuid(hapd->iface);
- if (uuid) {
+ if (uuid && !conf->wps_independent) {
os_memcpy(wps->uuid, uuid, UUID_LEN);
wpa_hexdump(MSG_DEBUG, "WPS: Clone UUID from another "
"interface", wps->uuid, UUID_LEN);
os_strdup(hapd->conf->serial_number) : NULL;
wps->config_methods =
wps_config_methods_str2bin(hapd->conf->config_methods);
-#ifdef CONFIG_WPS2
if ((wps->config_methods &
(WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY |
WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) {
"virtual_push_button for WPS 2.0 compliance");
wps->config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON;
}
-#endif /* CONFIG_WPS2 */
- if (hapd->conf->device_type &&
- wps_dev_type_str2bin(hapd->conf->device_type,
- wps->dev.pri_dev_type) < 0) {
- wpa_printf(MSG_ERROR, "WPS: Invalid device_type");
- os_free(wps);
- return -1;
- }
+ os_memcpy(wps->dev.pri_dev_type, hapd->conf->device_type,
+ WPS_DEV_TYPE_LEN);
+
+ if (hostapd_wps_set_vendor_ext(hapd, wps) < 0)
+ goto fail;
+
wps->dev.os_version = WPA_GET_BE32(hapd->conf->os_version);
- wps->dev.rf_bands = hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211A ?
- WPS_RF_50GHZ : WPS_RF_24GHZ; /* FIX: dualband AP */
+
+ if (conf->wps_rf_bands) {
+ wps->dev.rf_bands = conf->wps_rf_bands;
+ } else {
+ wps->dev.rf_bands =
+ hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211A ?
+ WPS_RF_50GHZ :
+ hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211AD ?
+ WPS_RF_60GHZ : WPS_RF_24GHZ; /* FIX: dualband AP */
+ }
if (conf->wpa & WPA_PROTO_RSN) {
if (conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK)
if (conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X)
wps->auth_types |= WPS_AUTH_WPA2;
- if (conf->rsn_pairwise & WPA_CIPHER_CCMP)
+ if (conf->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP))
wps->encr_types |= WPS_ENCR_AES;
if (conf->rsn_pairwise & WPA_CIPHER_TKIP)
wps->encr_types |= WPS_ENCR_TKIP;
if (conf->ssid.security_policy == SECURITY_PLAINTEXT) {
wps->encr_types |= WPS_ENCR_NONE;
wps->auth_types |= WPS_AUTH_OPEN;
- } else if (conf->ssid.security_policy == SECURITY_STATIC_WEP) {
- wps->encr_types |= WPS_ENCR_WEP;
- if (conf->auth_algs & WPA_AUTH_ALG_OPEN)
- wps->auth_types |= WPS_AUTH_OPEN;
- if (conf->auth_algs & WPA_AUTH_ALG_SHARED)
- wps->auth_types |= WPS_AUTH_SHARED;
- } else if (conf->ssid.security_policy == SECURITY_IEEE_802_1X) {
- wps->auth_types |= WPS_AUTH_OPEN;
- if (conf->default_wep_key_len)
- wps->encr_types |= WPS_ENCR_WEP;
- else
- wps->encr_types |= WPS_ENCR_NONE;
}
if (conf->ssid.wpa_psk_file) {
wps->network_key_len = os_strlen(conf->ssid.wpa_passphrase);
} else if (conf->ssid.wpa_psk) {
wps->network_key = os_malloc(2 * PMK_LEN + 1);
- if (wps->network_key == NULL) {
- os_free(wps);
- return -1;
- }
+ if (wps->network_key == NULL)
+ goto fail;
wpa_snprintf_hex((char *) wps->network_key, 2 * PMK_LEN + 1,
conf->ssid.wpa_psk->psk, PMK_LEN);
wps->network_key_len = 2 * PMK_LEN;
} else if (conf->ssid.wep.keys_set && conf->ssid.wep.key[0]) {
wps->network_key = os_malloc(conf->ssid.wep.len[0]);
- if (wps->network_key == NULL) {
- os_free(wps);
- return -1;
- }
+ if (wps->network_key == NULL)
+ goto fail;
os_memcpy(wps->network_key, conf->ssid.wep.key[0],
conf->ssid.wep.len[0]);
wps->network_key_len = conf->ssid.wep.len[0];
wps->psk_set = 1;
}
+ wps->ap_auth_type = wps->auth_types;
+ wps->ap_encr_type = wps->encr_types;
if (conf->wps_state == WPS_STATE_NOT_CONFIGURED) {
/* Override parameters to enable security by default */
wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK;
if (conf->ssid.security_policy == SECURITY_STATIC_WEP)
cfg.static_wep_only = 1;
cfg.dualband = interface_count(hapd->iface) > 1;
+ if ((wps->dev.rf_bands & (WPS_RF_50GHZ | WPS_RF_24GHZ)) ==
+ (WPS_RF_50GHZ | WPS_RF_24GHZ))
+ cfg.dualband = 1;
if (cfg.dualband)
wpa_printf(MSG_DEBUG, "WPS: Dualband AP");
+ cfg.force_per_enrollee_psk = conf->force_per_enrollee_psk;
wps->registrar = wps_registrar_init(wps, &cfg);
if (wps->registrar == NULL) {
wpa_printf(MSG_ERROR, "Failed to initialize WPS Registrar");
- os_free(wps->network_key);
- os_free(wps);
- return -1;
+ goto fail;
}
#ifdef CONFIG_WPS_UPNP
wps->model_description = hapd->conf->model_description;
wps->model_url = hapd->conf->model_url;
wps->upc = hapd->conf->upc;
+#endif /* CONFIG_WPS_UPNP */
+
+ hostapd_register_probereq_cb(hapd, hostapd_wps_probe_req_rx, hapd);
+ hapd->wps = wps;
+
+ return 0;
+
+fail:
+ hostapd_free_wps(wps);
+ return -1;
+}
+
+
+int hostapd_init_wps_complete(struct hostapd_data *hapd)
+{
+ struct wps_context *wps = hapd->wps;
+
+ if (wps == NULL)
+ return 0;
+
+#ifdef CONFIG_WPS_UPNP
if (hostapd_wps_upnp_init(hapd, wps) < 0) {
wpa_printf(MSG_ERROR, "Failed to initialize WPS UPnP");
wps_registrar_deinit(wps->registrar);
- os_free(wps->network_key);
- os_free(wps);
+ hostapd_free_wps(wps);
+ hapd->wps = NULL;
return -1;
}
#endif /* CONFIG_WPS_UPNP */
- hostapd_register_probereq_cb(hapd, hostapd_wps_probe_req_rx, hapd);
+ return 0;
+}
- hapd->wps = wps;
- return 0;
+static void hostapd_wps_nfc_clear(struct wps_context *wps)
+{
+#ifdef CONFIG_WPS_NFC
+ wpa_printf(MSG_DEBUG, "WPS: Clear NFC Tag context %p", 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_NFC */
}
{
eloop_cancel_timeout(hostapd_wps_reenable_ap_pin, hapd, NULL);
eloop_cancel_timeout(hostapd_wps_ap_pin_timeout, hapd, NULL);
- if (hapd->wps == NULL)
+ eloop_cancel_timeout(wps_reload_config, hapd->iface, NULL);
+ if (hapd->wps == NULL) {
+ hostapd_wps_clear_ies(hapd, 1);
return;
+ }
#ifdef CONFIG_WPS_UPNP
hostapd_wps_upnp_deinit(hapd);
#endif /* CONFIG_WPS_UPNP */
wps_registrar_deinit(hapd->wps->registrar);
- os_free(hapd->wps->network_key);
- wps_device_data_free(&hapd->wps->dev);
- wpabuf_free(hapd->wps->dh_pubkey);
- wpabuf_free(hapd->wps->dh_privkey);
- wpabuf_free(hapd->wps->oob_conf.pubkey_hash);
- wpabuf_free(hapd->wps->oob_conf.dev_password);
wps_free_pending_msgs(hapd->wps->upnp_msgs);
- os_free(hapd->wps);
+ hostapd_free_wps(hapd->wps);
hapd->wps = NULL;
- hostapd_wps_clear_ies(hapd);
+ hostapd_wps_clear_ies(hapd, 1);
}
hapd->wps->upc = hapd->conf->upc;
#endif /* CONFIG_WPS_UPNP */
+ hostapd_wps_set_vendor_ext(hapd, hapd->wps);
+
if (hapd->conf->wps_state)
wps_registrar_update_ie(hapd->wps->registrar);
else
}
+struct wps_button_pushed_ctx {
+ const u8 *p2p_dev_addr;
+ unsigned int count;
+};
+
static int wps_button_pushed(struct hostapd_data *hapd, void *ctx)
{
- if (hapd->wps == NULL)
- return 0;
- return wps_registrar_button_pushed(hapd->wps->registrar);
+ struct wps_button_pushed_ctx *data = ctx;
+
+ if (hapd->wps) {
+ data->count++;
+ return wps_registrar_button_pushed(hapd->wps->registrar,
+ data->p2p_dev_addr);
+ }
+
+ return 0;
}
-int hostapd_wps_button_pushed(struct hostapd_data *hapd)
+int hostapd_wps_button_pushed(struct hostapd_data *hapd,
+ const u8 *p2p_dev_addr)
{
- return hostapd_wps_for_each(hapd, wps_button_pushed, NULL);
+ struct wps_button_pushed_ctx ctx;
+ int ret;
+
+ os_memset(&ctx, 0, sizeof(ctx));
+ ctx.p2p_dev_addr = p2p_dev_addr;
+ ret = hostapd_wps_for_each(hapd, wps_button_pushed, &ctx);
+ if (ret == 0 && !ctx.count)
+ ret = -1;
+ return ret;
}
-#ifdef CONFIG_WPS_OOB
-int hostapd_wps_start_oob(struct hostapd_data *hapd, char *device_type,
- char *path, char *method, char *name)
-{
- struct wps_context *wps = hapd->wps;
- struct oob_device_data *oob_dev;
+struct wps_cancel_ctx {
+ unsigned int count;
+};
- 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);
+static int wps_cancel(struct hostapd_data *hapd, void *ctx)
+{
+ struct wps_cancel_ctx *data = ctx;
- if (wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_R) {
- /*
- * Use pre-configured DH keys in order to be able to write the
- * key hash into the OOB file.
- */
- wpabuf_free(wps->dh_pubkey);
- wpabuf_free(wps->dh_privkey);
- wps->dh_privkey = NULL;
- wps->dh_pubkey = dh_init(dh_groups_get(WPS_DH_GROUP),
- &wps->dh_privkey);
- wps->dh_pubkey = wpabuf_zeropad(wps->dh_pubkey, 192);
- if (wps->dh_pubkey == NULL) {
- wpa_printf(MSG_ERROR, "WPS: Failed to initialize "
- "Diffie-Hellman handshake");
- return -1;
- }
+ if (hapd->wps) {
+ data->count++;
+ wps_registrar_wps_cancel(hapd->wps->registrar);
+ ap_for_each_sta(hapd, ap_sta_wps_cancel, NULL);
}
- if (wps_process_oob(wps, oob_dev, 1) < 0)
- goto error;
+ return 0;
+}
- if ((wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E ||
- wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_R) &&
- hostapd_wps_add_pin(hapd, NULL, "any",
- wpabuf_head(wps->oob_conf.dev_password), 0) <
- 0)
- goto error;
- return 0;
+int hostapd_wps_cancel(struct hostapd_data *hapd)
+{
+ struct wps_cancel_ctx ctx;
+ int ret;
-error:
- wpabuf_free(wps->dh_pubkey);
- wps->dh_pubkey = NULL;
- wpabuf_free(wps->dh_privkey);
- wps->dh_privkey = NULL;
- return -1;
+ os_memset(&ctx, 0, sizeof(ctx));
+ ret = hostapd_wps_for_each(hapd, wps_cancel, &ctx);
+ if (ret == 0 && !ctx.count)
+ ret = -1;
+ return ret;
}
-#endif /* CONFIG_WPS_OOB */
-static int hostapd_wps_probe_req_rx(void *ctx, const u8 *addr,
- const u8 *ie, size_t ie_len)
+static int hostapd_wps_probe_req_rx(void *ctx, const u8 *addr, const u8 *da,
+ const u8 *bssid,
+ const u8 *ie, size_t ie_len,
+ int ssi_signal)
{
struct hostapd_data *hapd = ctx;
struct wpabuf *wps_ie;
}
#endif /* CONFIG_WPS_STRICT */
- if (!sta) {
+ if (!sta || !(sta->flags & WLAN_STA_WPS)) {
wpa_printf(MSG_DEBUG, "WPS UPnP: No matching STA found");
return 0;
}
+ if (!sta->eapol_sm) {
+ /*
+ * This can happen, e.g., if an ER sends an extra message after
+ * the station has disassociated (but not fully
+ * deauthenticated).
+ */
+ wpa_printf(MSG_DEBUG, "WPS UPnP: Matching STA did not have EAPOL state machine initialized");
+ return 0;
+ }
+
p = os_zalloc(sizeof(*p));
if (p == NULL)
return -1;
if (hapd->conf->ap_pin)
ctx->ap_pin = os_strdup(hapd->conf->ap_pin);
- hapd->wps_upnp = upnp_wps_device_init(ctx, wps, hapd);
- if (hapd->wps_upnp == NULL) {
- os_free(ctx);
+ hapd->wps_upnp = upnp_wps_device_init(ctx, wps, hapd,
+ hapd->conf->upnp_iface);
+ if (hapd->wps_upnp == NULL)
return -1;
- }
wps->wps_upnp = hapd->wps_upnp;
- if (upnp_wps_device_start(hapd->wps_upnp, hapd->conf->upnp_iface)) {
- upnp_wps_device_deinit(hapd->wps_upnp);
- hapd->wps_upnp = NULL;
- return -1;
- }
-
return 0;
}
static void hostapd_wps_upnp_deinit(struct hostapd_data *hapd)
{
- upnp_wps_device_deinit(hapd->wps_upnp);
+ upnp_wps_device_deinit(hapd->wps_upnp, hapd);
}
#endif /* CONFIG_WPS_UPNP */
struct hostapd_data *hapd = eloop_data;
wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
hostapd_wps_ap_pin_disable(hapd);
+ wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_PIN_DISABLED);
}
{
wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
hapd->ap_pin_failures = 0;
+ hapd->ap_pin_failures_consecutive = 0;
hapd->conf->ap_setup_locked = 0;
if (hapd->wps->ap_setup_locked) {
wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_SETUP_UNLOCKED);
static int wps_ap_pin_set(struct hostapd_data *hapd, void *ctx)
{
struct wps_ap_pin_data *data = ctx;
+
+ if (!hapd->wps)
+ return 0;
+
os_free(hapd->conf->ap_pin);
hapd->conf->ap_pin = os_strdup(data->pin_txt);
#ifdef CONFIG_WPS_UPNP
struct wps_ap_pin_data data;
pin = wps_generate_pin();
- os_snprintf(data.pin_txt, sizeof(data.pin_txt), "%u", pin);
+ os_snprintf(data.pin_txt, sizeof(data.pin_txt), "%08u", pin);
data.timeout = timeout;
hostapd_wps_for_each(hapd, wps_ap_pin_set, &data);
return hapd->conf->ap_pin;
int ret;
ret = os_snprintf(data.pin_txt, sizeof(data.pin_txt), "%s", pin);
- if (ret < 0 || ret >= (int) sizeof(data.pin_txt))
+ if (os_snprintf_error(sizeof(data.pin_txt), ret))
return -1;
data.timeout = timeout;
return hostapd_wps_for_each(hapd, wps_ap_pin_set, &data);
}
+
+
+static int wps_update_ie(struct hostapd_data *hapd, void *ctx)
+{
+ if (hapd->wps)
+ wps_registrar_update_ie(hapd->wps->registrar);
+ return 0;
+}
+
+
+void hostapd_wps_update_ie(struct hostapd_data *hapd)
+{
+ hostapd_wps_for_each(hapd, wps_update_ie, NULL);
+}
+
+
+int hostapd_wps_config_ap(struct hostapd_data *hapd, const char *ssid,
+ const char *auth, const char *encr, const char *key)
+{
+ struct wps_credential cred;
+ size_t len;
+
+ os_memset(&cred, 0, sizeof(cred));
+
+ len = os_strlen(ssid);
+ if ((len & 1) || len > 2 * sizeof(cred.ssid) ||
+ hexstr2bin(ssid, cred.ssid, len / 2))
+ return -1;
+ cred.ssid_len = len / 2;
+
+ if (os_strncmp(auth, "OPEN", 4) == 0)
+ cred.auth_type = WPS_AUTH_OPEN;
+ else if (os_strncmp(auth, "WPAPSK", 6) == 0)
+ cred.auth_type = WPS_AUTH_WPAPSK;
+ else if (os_strncmp(auth, "WPA2PSK", 7) == 0)
+ cred.auth_type = WPS_AUTH_WPA2PSK;
+ else
+ return -1;
+
+ if (encr) {
+ if (os_strncmp(encr, "NONE", 4) == 0)
+ cred.encr_type = WPS_ENCR_NONE;
+ else if (os_strncmp(encr, "TKIP", 4) == 0)
+ cred.encr_type = WPS_ENCR_TKIP;
+ else if (os_strncmp(encr, "CCMP", 4) == 0)
+ cred.encr_type = WPS_ENCR_AES;
+ else
+ return -1;
+ } else
+ cred.encr_type = WPS_ENCR_NONE;
+
+ if (key) {
+ len = os_strlen(key);
+ if ((len & 1) || len > 2 * sizeof(cred.key) ||
+ hexstr2bin(key, cred.key, len / 2))
+ return -1;
+ cred.key_len = len / 2;
+ }
+
+ return wps_registrar_config_ap(hapd->wps->registrar, &cred);
+}
+
+
+#ifdef CONFIG_WPS_NFC
+
+struct wps_nfc_password_token_data {
+ const u8 *oob_dev_pw;
+ size_t oob_dev_pw_len;
+ int added;
+};
+
+
+static int wps_add_nfc_password_token(struct hostapd_data *hapd, void *ctx)
+{
+ struct wps_nfc_password_token_data *data = ctx;
+ int ret;
+
+ if (hapd->wps == NULL)
+ return 0;
+ ret = wps_registrar_add_nfc_password_token(hapd->wps->registrar,
+ data->oob_dev_pw,
+ data->oob_dev_pw_len);
+ if (ret == 0)
+ data->added++;
+ return ret;
+}
+
+
+static int hostapd_wps_add_nfc_password_token(struct hostapd_data *hapd,
+ struct wps_parse_attr *attr)
+{
+ struct wps_nfc_password_token_data data;
+
+ data.oob_dev_pw = attr->oob_dev_password;
+ data.oob_dev_pw_len = attr->oob_dev_password_len;
+ data.added = 0;
+ if (hostapd_wps_for_each(hapd, wps_add_nfc_password_token, &data) < 0)
+ return -1;
+ return data.added ? 0 : -1;
+}
+
+
+static int hostapd_wps_nfc_tag_process(struct hostapd_data *hapd,
+ 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.oob_dev_password)
+ return hostapd_wps_add_nfc_password_token(hapd, &attr);
+
+ wpa_printf(MSG_DEBUG, "WPS: Ignore unrecognized NFC tag");
+ return -1;
+}
+
+
+int hostapd_wps_nfc_tag_read(struct hostapd_data *hapd,
+ 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) {
+ wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF");
+ return -1;
+ }
+ wps = tmp;
+ }
+
+ ret = hostapd_wps_nfc_tag_process(hapd, wps);
+ wpabuf_free(tmp);
+ return ret;
+}
+
+
+struct wpabuf * hostapd_wps_nfc_config_token(struct hostapd_data *hapd,
+ int ndef)
+{
+ struct wpabuf *ret;
+
+ if (hapd->wps == NULL)
+ return NULL;
+
+ ret = wps_get_oob_cred(hapd->wps, hostapd_wps_rf_band_cb(hapd),
+ hapd->iconf->channel);
+ if (ndef && ret) {
+ struct wpabuf *tmp;
+ tmp = ndef_build_wifi(ret);
+ wpabuf_free(ret);
+ if (tmp == NULL)
+ return NULL;
+ ret = tmp;
+ }
+
+ return ret;
+}
+
+
+struct wpabuf * hostapd_wps_nfc_hs_cr(struct hostapd_data *hapd, int ndef)
+{
+ struct wpabuf *ret;
+
+ if (hapd->wps == NULL)
+ return NULL;
+
+ if (hapd->conf->wps_nfc_dh_pubkey == NULL) {
+ struct wps_context *wps = hapd->wps;
+ if (wps_nfc_gen_dh(&hapd->conf->wps_nfc_dh_pubkey,
+ &hapd->conf->wps_nfc_dh_privkey) < 0)
+ return NULL;
+ hostapd_wps_nfc_clear(wps);
+ wps->ap_nfc_dev_pw_id = DEV_PW_NFC_CONNECTION_HANDOVER;
+ wps->ap_nfc_dh_pubkey =
+ wpabuf_dup(hapd->conf->wps_nfc_dh_pubkey);
+ wps->ap_nfc_dh_privkey =
+ wpabuf_dup(hapd->conf->wps_nfc_dh_privkey);
+ if (!wps->ap_nfc_dh_pubkey || !wps->ap_nfc_dh_privkey) {
+ hostapd_wps_nfc_clear(wps);
+ return NULL;
+ }
+ }
+
+ ret = wps_build_nfc_handover_sel(hapd->wps,
+ hapd->conf->wps_nfc_dh_pubkey,
+ hapd->own_addr, hapd->iface->freq);
+
+ if (ndef && ret) {
+ struct wpabuf *tmp;
+ tmp = ndef_build_wifi(ret);
+ wpabuf_free(ret);
+ if (tmp == NULL)
+ return NULL;
+ ret = tmp;
+ }
+
+ return ret;
+}
+
+
+int hostapd_wps_nfc_report_handover(struct hostapd_data *hapd,
+ 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(hapd->wps->registrar,
+ attr.oob_dev_password,
+ DEV_PW_NFC_CONNECTION_HANDOVER,
+ NULL, 0, 1);
+
+out:
+ wpabuf_free(wps);
+ return ret;
+}
+
+
+struct wpabuf * hostapd_wps_nfc_token_gen(struct hostapd_data *hapd, int ndef)
+{
+ if (hapd->conf->wps_nfc_pw_from_config) {
+ return wps_nfc_token_build(ndef,
+ hapd->conf->wps_nfc_dev_pw_id,
+ hapd->conf->wps_nfc_dh_pubkey,
+ hapd->conf->wps_nfc_dev_pw);
+ }
+
+ return wps_nfc_token_gen(ndef, &hapd->conf->wps_nfc_dev_pw_id,
+ &hapd->conf->wps_nfc_dh_pubkey,
+ &hapd->conf->wps_nfc_dh_privkey,
+ &hapd->conf->wps_nfc_dev_pw);
+}
+
+
+int hostapd_wps_nfc_token_enable(struct hostapd_data *hapd)
+{
+ struct wps_context *wps = hapd->wps;
+ struct wpabuf *pw;
+
+ if (wps == NULL)
+ return -1;
+
+ if (!hapd->conf->wps_nfc_dh_pubkey ||
+ !hapd->conf->wps_nfc_dh_privkey ||
+ !hapd->conf->wps_nfc_dev_pw ||
+ !hapd->conf->wps_nfc_dev_pw_id)
+ return -1;
+
+ hostapd_wps_nfc_clear(wps);
+ wpa_printf(MSG_DEBUG,
+ "WPS: Enable NFC Tag (Dev Pw Id %u) for AP interface %s (context %p)",
+ hapd->conf->wps_nfc_dev_pw_id, hapd->conf->iface, wps);
+ wps->ap_nfc_dev_pw_id = hapd->conf->wps_nfc_dev_pw_id;
+ wps->ap_nfc_dh_pubkey = wpabuf_dup(hapd->conf->wps_nfc_dh_pubkey);
+ wps->ap_nfc_dh_privkey = wpabuf_dup(hapd->conf->wps_nfc_dh_privkey);
+ pw = hapd->conf->wps_nfc_dev_pw;
+ wps->ap_nfc_dev_pw = wpabuf_alloc(
+ wpabuf_len(pw) * 2 + 1);
+ if (wps->ap_nfc_dev_pw) {
+ wpa_snprintf_hex_uppercase(
+ (char *) wpabuf_put(wps->ap_nfc_dev_pw,
+ wpabuf_len(pw) * 2),
+ wpabuf_len(pw) * 2 + 1,
+ wpabuf_head(pw), wpabuf_len(pw));
+ }
+
+ if (!wps->ap_nfc_dh_pubkey || !wps->ap_nfc_dh_privkey ||
+ !wps->ap_nfc_dev_pw) {
+ hostapd_wps_nfc_clear(wps);
+ return -1;
+ }
+
+ return 0;
+}
+
+
+void hostapd_wps_nfc_token_disable(struct hostapd_data *hapd)
+{
+ wpa_printf(MSG_DEBUG, "WPS: Disable NFC token for AP interface %s",
+ hapd->conf->iface);
+ hostapd_wps_nfc_clear(hapd->wps);
+}
+
+#endif /* CONFIG_WPS_NFC */
projects / mech_eap.git / blobdiff