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/src/ap/wps_hostapd.c b/src/ap/wps_hostapd.c
new file mode 100644
index 0000000..fcbd89b
--- /dev/null
+++ b/src/ap/wps_hostapd.c
@@ -0,0 +1,1380 @@
+/*
+ * hostapd / 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 "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 "eapol_auth/eapol_auth_sm.h"
+#include "eapol_auth/eapol_auth_sm_i.h"
+#include "wps/wps.h"
+#include "wps/wps_defs.h"
+#include "wps/wps_dev_attr.h"
+#include "hostapd.h"
+#include "ap_config.h"
+#include "ap_drv_ops.h"
+#include "beacon.h"
+#include "sta_info.h"
+#include "wps_hostapd.h"
+
+
+#ifdef CONFIG_WPS_UPNP
+#include "wps/wps_upnp.h"
+static int hostapd_wps_upnp_init(struct hostapd_data *hapd,
+ struct wps_context *wps);
+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 void hostapd_wps_ap_pin_timeout(void *eloop_data, void *user_ctx);
+
+
+struct wps_for_each_data {
+ int (*func)(struct hostapd_data *h, void *ctx);
+ void *ctx;
+};
+
+
+static int wps_for_each(struct hostapd_iface *iface, void *ctx)
+{
+ struct wps_for_each_data *data = ctx;
+ size_t j;
+
+ if (iface == NULL)
+ return 0;
+ for (j = 0; j < iface->num_bss; j++) {
+ struct hostapd_data *hapd = iface->bss[j];
+ int ret = data->func(hapd, data->ctx);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+
+static int hostapd_wps_for_each(struct hostapd_data *hapd,
+ int (*func)(struct hostapd_data *h, void *ctx),
+ void *ctx)
+{
+ struct hostapd_iface *iface = hapd->iface;
+ struct wps_for_each_data data;
+ data.func = func;
+ data.ctx = ctx;
+ if (iface->for_each_interface == NULL)
+ return wps_for_each(iface, &data);
+ return iface->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,
+ 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));
+ wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len);
+
+ if (psk_len != PMK_LEN) {
+ wpa_printf(MSG_DEBUG, "Unexpected PSK length %lu",
+ (unsigned long) psk_len);
+ return -1;
+ }
+
+ /* Add the new PSK to runtime PSK list */
+ p = os_zalloc(sizeof(*p));
+ if (p == NULL)
+ return -1;
+ os_memcpy(p->addr, mac_addr, ETH_ALEN);
+ os_memcpy(p->psk, psk, PMK_LEN);
+
+ p->next = ssid->wpa_psk;
+ ssid->wpa_psk = p;
+
+ if (ssid->wpa_psk_file) {
+ FILE *f;
+ char hex[PMK_LEN * 2 + 1];
+ /* Add the new PSK to PSK list file */
+ f = fopen(ssid->wpa_psk_file, "a");
+ if (f == NULL) {
+ wpa_printf(MSG_DEBUG, "Failed to add the PSK to "
+ "'%s'", ssid->wpa_psk_file);
+ return -1;
+ }
+
+ wpa_snprintf_hex(hex, sizeof(hex), psk, psk_len);
+ fprintf(f, MACSTR " %s\n", MAC2STR(mac_addr), hex);
+ fclose(f);
+ }
+
+ return 0;
+}
+
+
+static int hostapd_wps_set_ie_cb(void *ctx, struct wpabuf *beacon_ie,
+ struct wpabuf *probe_resp_ie)
+{
+ struct hostapd_data *hapd = ctx;
+ wpabuf_free(hapd->wps_beacon_ie);
+ 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 hostapd_set_ap_wps_ie(hapd);
+}
+
+
+static void hostapd_wps_pin_needed_cb(void *ctx, const u8 *uuid_e,
+ const struct wps_device_data *dev)
+{
+ struct hostapd_data *hapd = ctx;
+ 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 E-UUID %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_msg(hapd->msg_ctx, MSG_INFO, "%s", txt);
+
+ if (hapd->conf->wps_pin_requests) {
+ FILE *f;
+ struct os_time t;
+ f = fopen(hapd->conf->wps_pin_requests, "a");
+ if (f == NULL)
+ return;
+ os_get_time(&t);
+ fprintf(f, "%ld\t%s\t" MACSTR "\t%s\t%s\t%s\t%s\t%s"
+ "\t%s\n",
+ t.sec, 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)));
+ fclose(f);
+ }
+}
+
+
+static void hostapd_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
+ const u8 *uuid_e)
+{
+ struct hostapd_data *hapd = ctx;
+ char uuid[40];
+ if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
+ return;
+ wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_REG_SUCCESS MACSTR " %s",
+ MAC2STR(mac_addr), uuid);
+ if (hapd->wps_reg_success_cb)
+ hapd->wps_reg_success_cb(hapd->wps_reg_success_cb_ctx,
+ mac_addr, uuid_e);
+}
+
+
+static void hostapd_wps_enrollee_seen_cb(void *ctx, const u8 *addr,
+ const u8 *uuid_e,
+ const u8 *pri_dev_type,
+ u16 config_methods,
+ u16 dev_password_id, u8 request_type,
+ const char *dev_name)
+{
+ struct hostapd_data *hapd = ctx;
+ char uuid[40];
+ char devtype[WPS_DEV_TYPE_BUFSIZE];
+ if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
+ return;
+ if (dev_name == NULL)
+ dev_name = "";
+ wpa_msg_ctrl(hapd->msg_ctx, MSG_INFO, WPS_EVENT_ENROLLEE_SEEN MACSTR
+ " %s %s 0x%x %u %u [%s]",
+ MAC2STR(addr), uuid,
+ wps_dev_type_bin2str(pri_dev_type, devtype,
+ sizeof(devtype)),
+ config_methods, dev_password_id, request_type, dev_name);
+}
+
+
+static int str_starts(const char *str, const char *start)
+{
+ return os_strncmp(str, start, os_strlen(start)) == 0;
+}
+
+
+static void wps_reload_config(void *eloop_data, void *user_ctx)
+{
+ struct hostapd_iface *iface = eloop_data;
+
+ wpa_printf(MSG_DEBUG, "WPS: Reload configuration data");
+ if (iface->reload_config(iface) < 0) {
+ wpa_printf(MSG_WARNING, "WPS: Failed to reload the updated "
+ "configuration");
+ }
+}
+
+
+static int hapd_wps_cred_cb(struct hostapd_data *hapd, void *ctx)
+{
+ const struct wps_credential *cred = ctx;
+ FILE *oconf, *nconf;
+ size_t len, i;
+ char *tmp_fname;
+ char buf[1024];
+ int multi_bss;
+ int wpa;
+
+ if (hapd->wps == NULL)
+ return 0;
+
+ wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute",
+ cred->cred_attr, cred->cred_attr_len);
+
+ wpa_printf(MSG_DEBUG, "WPS: Received new AP Settings");
+ 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));
+
+ 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);
+ }
+ } else
+ wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_NEW_AP_SETTINGS);
+
+ if (hapd->conf->wps_cred_processing == 1)
+ return 0;
+
+ os_memcpy(hapd->wps->ssid, cred->ssid, cred->ssid_len);
+ hapd->wps->ssid_len = cred->ssid_len;
+ hapd->wps->encr_types = cred->encr_type;
+ hapd->wps->auth_types = 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 (hapd->wps->network_key == NULL ||
+ hapd->wps->network_key_len < cred->key_len) {
+ hapd->wps->network_key_len = 0;
+ os_free(hapd->wps->network_key);
+ hapd->wps->network_key = os_malloc(cred->key_len);
+ if (hapd->wps->network_key == NULL)
+ return -1;
+ }
+ hapd->wps->network_key_len = cred->key_len;
+ os_memcpy(hapd->wps->network_key, cred->key, cred->key_len);
+ }
+ hapd->wps->wps_state = WPS_STATE_CONFIGURED;
+
+ len = os_strlen(hapd->iface->config_fname) + 5;
+ tmp_fname = os_malloc(len);
+ if (tmp_fname == NULL)
+ return -1;
+ os_snprintf(tmp_fname, len, "%s-new", hapd->iface->config_fname);
+
+ oconf = fopen(hapd->iface->config_fname, "r");
+ if (oconf == NULL) {
+ wpa_printf(MSG_WARNING, "WPS: Could not open current "
+ "configuration file");
+ os_free(tmp_fname);
+ return -1;
+ }
+
+ nconf = fopen(tmp_fname, "w");
+ if (nconf == NULL) {
+ wpa_printf(MSG_WARNING, "WPS: Could not write updated "
+ "configuration file");
+ os_free(tmp_fname);
+ fclose(oconf);
+ return -1;
+ }
+
+ fprintf(nconf, "# WPS configuration - START\n");
+
+ 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 ((cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK)) &&
+ (cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK)))
+ wpa = 3;
+ else if (cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA2PSK))
+ wpa = 2;
+ else if (cred->auth_type & (WPS_AUTH_WPA | WPS_AUTH_WPAPSK))
+ wpa = 1;
+ else
+ wpa = 0;
+
+ if (wpa) {
+ char *prefix;
+ fprintf(nconf, "wpa=%d\n", wpa);
+
+ fprintf(nconf, "wpa_key_mgmt=");
+ prefix = "";
+ if (cred->auth_type & (WPS_AUTH_WPA2 | WPS_AUTH_WPA)) {
+ fprintf(nconf, "WPA-EAP");
+ prefix = " ";
+ }
+ if (cred->auth_type & (WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK))
+ fprintf(nconf, "%sWPA-PSK", prefix);
+ fprintf(nconf, "\n");
+
+ fprintf(nconf, "wpa_pairwise=");
+ prefix = "";
+ if (cred->encr_type & WPS_ENCR_AES) {
+ fprintf(nconf, "CCMP");
+ prefix = " ";
+ }
+ if (cred->encr_type & WPS_ENCR_TKIP) {
+ fprintf(nconf, "%sTKIP", prefix);
+ }
+ fprintf(nconf, "\n");
+
+ if (cred->key_len >= 8 && cred->key_len < 64) {
+ fprintf(nconf, "wpa_passphrase=");
+ for (i = 0; i < cred->key_len; i++)
+ fputc(cred->key[i], nconf);
+ fprintf(nconf, "\n");
+ } else if (cred->key_len == 64) {
+ fprintf(nconf, "wpa_psk=");
+ for (i = 0; i < cred->key_len; i++)
+ fputc(cred->key[i], nconf);
+ fprintf(nconf, "\n");
+ } else {
+ wpa_printf(MSG_WARNING, "WPS: Invalid key length %lu "
+ "for WPA/WPA2",
+ (unsigned long) cred->key_len);
+ }
+
+ 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");
+ }
+ }
+
+ fprintf(nconf, "# WPS configuration - END\n");
+
+ multi_bss = 0;
+ while (fgets(buf, sizeof(buf), oconf)) {
+ if (os_strncmp(buf, "bss=", 4) == 0)
+ multi_bss = 1;
+ if (!multi_bss &&
+ (str_starts(buf, "ssid=") ||
+ 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=") ||
+ str_starts(buf, "wpa_pairwise=") ||
+ str_starts(buf, "rsn_pairwise=") ||
+ str_starts(buf, "wpa_key_mgmt=") ||
+ str_starts(buf, "wpa_passphrase="))) {
+ fprintf(nconf, "#WPS# %s", buf);
+ } else
+ fprintf(nconf, "%s", buf);
+ }
+
+ fclose(nconf);
+ fclose(oconf);
+
+ if (rename(tmp_fname, hapd->iface->config_fname) < 0) {
+ wpa_printf(MSG_WARNING, "WPS: Failed to rename the updated "
+ "configuration file: %s", strerror(errno));
+ os_free(tmp_fname);
+ return -1;
+ }
+
+ os_free(tmp_fname);
+
+ /* 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);
+
+ wpa_printf(MSG_DEBUG, "WPS: AP configuration updated");
+
+ return 0;
+}
+
+
+static int hostapd_wps_cred_cb(void *ctx, const struct wps_credential *cred)
+{
+ struct hostapd_data *hapd = ctx;
+ return hostapd_wps_for_each(hapd, hapd_wps_cred_cb, (void *) cred);
+}
+
+
+static void hostapd_wps_reenable_ap_pin(void *eloop_data, void *user_ctx)
+{
+ struct hostapd_data *hapd = eloop_data;
+
+ if (hapd->conf->ap_setup_locked)
+ return;
+
+ wpa_printf(MSG_DEBUG, "WPS: Re-enable AP PIN");
+ wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_SETUP_UNLOCKED);
+ hapd->wps->ap_setup_locked = 0;
+ wps_registrar_update_ie(hapd->wps->registrar);
+}
+
+
+static int wps_pwd_auth_fail(struct hostapd_data *hapd, void *ctx)
+{
+ struct wps_event_pwd_auth_fail *data = ctx;
+
+ if (!data->enrollee || hapd->conf->ap_pin == NULL || hapd->wps == NULL)
+ return 0;
+
+ /*
+ * Registrar failed to prove its knowledge of the AP PIN. Lock AP setup
+ * for some time if this happens multiple times to slow down brute
+ * force attacks.
+ */
+ hapd->ap_pin_failures++;
+ wpa_printf(MSG_DEBUG, "WPS: AP PIN authentication failure number %u",
+ hapd->ap_pin_failures);
+ if (hapd->ap_pin_failures < 3)
+ return 0;
+
+ wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_SETUP_LOCKED);
+ hapd->wps->ap_setup_locked = 1;
+
+ wps_registrar_update_ie(hapd->wps->registrar);
+
+ 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 &&
+ (hapd->ap_pin_failures % 3) == 0)
+ hapd->ap_pin_lockout_time *= 2;
+
+ wpa_printf(MSG_DEBUG, "WPS: Disable AP PIN for %u seconds",
+ hapd->ap_pin_lockout_time);
+ eloop_cancel_timeout(hostapd_wps_reenable_ap_pin, hapd, NULL);
+ eloop_register_timeout(hapd->ap_pin_lockout_time, 0,
+ hostapd_wps_reenable_ap_pin, hapd,
+ NULL);
+ }
+
+ return 0;
+}
+
+
+static void hostapd_pwd_auth_fail(struct hostapd_data *hapd,
+ struct wps_event_pwd_auth_fail *data)
+{
+ hostapd_wps_for_each(hapd, wps_pwd_auth_fail, data);
+}
+
+
+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 hostapd_wps_event_fail(struct hostapd_data *hapd,
+ struct wps_event_fail *fail)
+{
+ 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_event_fail_reason[fail->error_indication]);
+ } else {
+ wpa_msg(hapd->msg_ctx, MSG_INFO,
+ WPS_EVENT_FAIL "msg=%d config_error=%d",
+ fail->msg, fail->config_error);
+ }
+}
+
+
+static void hostapd_wps_event_cb(void *ctx, enum wps_event event,
+ union wps_event_data *data)
+{
+ struct hostapd_data *hapd = ctx;
+
+ switch (event) {
+ case WPS_EV_M2D:
+ break;
+ case WPS_EV_FAIL:
+ hostapd_wps_event_fail(hapd, &data->fail);
+ break;
+ case WPS_EV_SUCCESS:
+ break;
+ case WPS_EV_PWD_AUTH_FAIL:
+ hostapd_pwd_auth_fail(hapd, &data->pwd_auth_fail);
+ break;
+ case WPS_EV_PBC_OVERLAP:
+ break;
+ case WPS_EV_PBC_TIMEOUT:
+ break;
+ case WPS_EV_ER_AP_ADD:
+ break;
+ case WPS_EV_ER_AP_REMOVE:
+ break;
+ case WPS_EV_ER_ENROLLEE_ADD:
+ break;
+ case WPS_EV_ER_ENROLLEE_REMOVE:
+ break;
+ case WPS_EV_ER_AP_SETTINGS:
+ break;
+ case WPS_EV_ER_SET_SELECTED_REGISTRAR:
+ 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)
+{
+ wpabuf_free(hapd->wps_beacon_ie);
+ hapd->wps_beacon_ie = NULL;
+
+ wpabuf_free(hapd->wps_probe_resp_ie);
+ hapd->wps_probe_resp_ie = NULL;
+
+ hostapd_set_ap_wps_ie(hapd);
+}
+
+
+static int get_uuid_cb(struct hostapd_iface *iface, void *ctx)
+{
+ const u8 **uuid = ctx;
+ size_t j;
+
+ if (iface == NULL)
+ 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)) {
+ *uuid = hapd->wps->uuid;
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+
+static const u8 * get_own_uuid(struct hostapd_iface *iface)
+{
+ const u8 *uuid;
+ if (iface->for_each_interface == NULL)
+ return NULL;
+ uuid = NULL;
+ iface->for_each_interface(iface->interfaces, get_uuid_cb, &uuid);
+ return uuid;
+}
+
+
+static int count_interface_cb(struct hostapd_iface *iface, void *ctx)
+{
+ int *count= ctx;
+ (*count)++;
+ return 0;
+}
+
+
+static int interface_count(struct hostapd_iface *iface)
+{
+ int count = 0;
+ if (iface->for_each_interface == NULL)
+ return 0;
+ iface->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;
+}
+
+
+int hostapd_init_wps(struct hostapd_data *hapd,
+ struct hostapd_bss_config *conf)
+{
+ struct wps_context *wps;
+ struct wps_registrar_config cfg;
+
+ if (conf->wps_state == 0) {
+ hostapd_wps_clear_ies(hapd);
+ return 0;
+ }
+
+ wps = os_zalloc(sizeof(*wps));
+ if (wps == NULL)
+ return -1;
+
+ wps->cred_cb = hostapd_wps_cred_cb;
+ wps->event_cb = hostapd_wps_event_cb;
+ wps->cb_ctx = hapd;
+
+ os_memset(&cfg, 0, sizeof(cfg));
+ wps->wps_state = hapd->conf->wps_state;
+ wps->ap_setup_locked = hapd->conf->ap_setup_locked;
+ if (is_nil_uuid(hapd->conf->uuid)) {
+ const u8 *uuid;
+ uuid = get_own_uuid(hapd->iface);
+ if (uuid) {
+ os_memcpy(wps->uuid, uuid, UUID_LEN);
+ wpa_hexdump(MSG_DEBUG, "WPS: Clone UUID from another "
+ "interface", wps->uuid, UUID_LEN);
+ } else {
+ uuid_gen_mac_addr(hapd->own_addr, wps->uuid);
+ wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC "
+ "address", wps->uuid, UUID_LEN);
+ }
+ } else {
+ os_memcpy(wps->uuid, hapd->conf->uuid, UUID_LEN);
+ wpa_hexdump(MSG_DEBUG, "WPS: Use configured UUID",
+ wps->uuid, UUID_LEN);
+ }
+ wps->ssid_len = hapd->conf->ssid.ssid_len;
+ os_memcpy(wps->ssid, hapd->conf->ssid.ssid, wps->ssid_len);
+ wps->ap = 1;
+ os_memcpy(wps->dev.mac_addr, hapd->own_addr, ETH_ALEN);
+ wps->dev.device_name = hapd->conf->device_name ?
+ os_strdup(hapd->conf->device_name) : NULL;
+ wps->dev.manufacturer = hapd->conf->manufacturer ?
+ os_strdup(hapd->conf->manufacturer) : NULL;
+ wps->dev.model_name = hapd->conf->model_name ?
+ os_strdup(hapd->conf->model_name) : NULL;
+ wps->dev.model_number = hapd->conf->model_number ?
+ os_strdup(hapd->conf->model_number) : NULL;
+ wps->dev.serial_number = hapd->conf->serial_number ?
+ 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) {
+ wpa_printf(MSG_INFO, "WPS: Converting display to "
+ "virtual_display for WPS 2.0 compliance");
+ wps->config_methods |= WPS_CONFIG_VIRT_DISPLAY;
+ }
+ if ((wps->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");
+ wps->config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON;
+ }
+#endif /* CONFIG_WPS2 */
+ os_memcpy(wps->dev.pri_dev_type, hapd->conf->device_type,
+ WPS_DEV_TYPE_LEN);
+
+ if (hostapd_wps_set_vendor_ext(hapd, wps) < 0) {
+ os_free(wps);
+ return -1;
+ }
+
+ 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->wpa & WPA_PROTO_RSN) {
+ if (conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK)
+ wps->auth_types |= WPS_AUTH_WPA2PSK;
+ if (conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X)
+ wps->auth_types |= WPS_AUTH_WPA2;
+
+ if (conf->rsn_pairwise & WPA_CIPHER_CCMP)
+ wps->encr_types |= WPS_ENCR_AES;
+ if (conf->rsn_pairwise & WPA_CIPHER_TKIP)
+ wps->encr_types |= WPS_ENCR_TKIP;
+ }
+
+ if (conf->wpa & WPA_PROTO_WPA) {
+ if (conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK)
+ wps->auth_types |= WPS_AUTH_WPAPSK;
+ if (conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X)
+ wps->auth_types |= WPS_AUTH_WPA;
+
+ if (conf->wpa_pairwise & WPA_CIPHER_CCMP)
+ wps->encr_types |= WPS_ENCR_AES;
+ if (conf->wpa_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) {
+ /* Use per-device PSKs */
+ } else if (conf->ssid.wpa_passphrase) {
+ wps->network_key = (u8 *) os_strdup(conf->ssid.wpa_passphrase);
+ 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;
+ }
+ 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;
+ }
+ os_memcpy(wps->network_key, conf->ssid.wep.key[0],
+ conf->ssid.wep.len[0]);
+ wps->network_key_len = conf->ssid.wep.len[0];
+ }
+
+ if (conf->ssid.wpa_psk) {
+ os_memcpy(wps->psk, conf->ssid.wpa_psk->psk, PMK_LEN);
+ wps->psk_set = 1;
+ }
+
+ if (conf->wps_state == WPS_STATE_NOT_CONFIGURED) {
+ /* Override parameters to enable security by default */
+ wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK;
+ wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP;
+ }
+
+ wps->ap_settings = conf->ap_settings;
+ wps->ap_settings_len = conf->ap_settings_len;
+
+ cfg.new_psk_cb = hostapd_wps_new_psk_cb;
+ cfg.set_ie_cb = hostapd_wps_set_ie_cb;
+ cfg.pin_needed_cb = hostapd_wps_pin_needed_cb;
+ cfg.reg_success_cb = hostapd_wps_reg_success_cb;
+ cfg.enrollee_seen_cb = hostapd_wps_enrollee_seen_cb;
+ cfg.cb_ctx = hapd;
+ cfg.skip_cred_build = conf->skip_cred_build;
+ cfg.extra_cred = conf->extra_cred;
+ cfg.extra_cred_len = conf->extra_cred_len;
+ cfg.disable_auto_conf = (hapd->conf->wps_cred_processing == 1) &&
+ conf->skip_cred_build;
+ if (conf->ssid.security_policy == SECURITY_STATIC_WEP)
+ cfg.static_wep_only = 1;
+ cfg.dualband = interface_count(hapd->iface) > 1;
+ if (cfg.dualband)
+ wpa_printf(MSG_DEBUG, "WPS: Dualband AP");
+
+ 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;
+ }
+
+#ifdef CONFIG_WPS_UPNP
+ wps->friendly_name = hapd->conf->friendly_name;
+ wps->manufacturer_url = hapd->conf->manufacturer_url;
+ wps->model_description = hapd->conf->model_description;
+ wps->model_url = hapd->conf->model_url;
+ wps->upc = hapd->conf->upc;
+
+ 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);
+ return -1;
+ }
+#endif /* CONFIG_WPS_UPNP */
+
+ hostapd_register_probereq_cb(hapd, hostapd_wps_probe_req_rx, hapd);
+
+ hapd->wps = wps;
+
+ return 0;
+}
+
+
+void hostapd_deinit_wps(struct hostapd_data *hapd)
+{
+ eloop_cancel_timeout(hostapd_wps_reenable_ap_pin, hapd, NULL);
+ eloop_cancel_timeout(hostapd_wps_ap_pin_timeout, hapd, NULL);
+ if (hapd->wps == NULL)
+ 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);
+ hapd->wps = NULL;
+ hostapd_wps_clear_ies(hapd);
+}
+
+
+void hostapd_update_wps(struct hostapd_data *hapd)
+{
+ if (hapd->wps == NULL)
+ return;
+
+#ifdef CONFIG_WPS_UPNP
+ hapd->wps->friendly_name = hapd->conf->friendly_name;
+ hapd->wps->manufacturer_url = hapd->conf->manufacturer_url;
+ hapd->wps->model_description = hapd->conf->model_description;
+ hapd->wps->model_url = hapd->conf->model_url;
+ 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
+ hostapd_deinit_wps(hapd);
+}
+
+
+struct wps_add_pin_data {
+ const u8 *addr;
+ const u8 *uuid;
+ const u8 *pin;
+ size_t pin_len;
+ int timeout;
+ int added;
+};
+
+
+static int wps_add_pin(struct hostapd_data *hapd, void *ctx)
+{
+ struct wps_add_pin_data *data = ctx;
+ int ret;
+
+ if (hapd->wps == NULL)
+ return 0;
+ ret = wps_registrar_add_pin(hapd->wps->registrar, data->addr,
+ data->uuid, data->pin, data->pin_len,
+ data->timeout);
+ if (ret == 0)
+ data->added++;
+ return ret;
+}
+
+
+int hostapd_wps_add_pin(struct hostapd_data *hapd, const u8 *addr,
+ const char *uuid, const char *pin, int timeout)
+{
+ u8 u[UUID_LEN];
+ struct wps_add_pin_data data;
+
+ data.addr = addr;
+ data.uuid = u;
+ data.pin = (const u8 *) pin;
+ data.pin_len = os_strlen(pin);
+ data.timeout = timeout;
+ data.added = 0;
+
+ if (os_strcmp(uuid, "any") == 0)
+ data.uuid = NULL;
+ else {
+ if (uuid_str2bin(uuid, u))
+ return -1;
+ data.uuid = u;
+ }
+ if (hostapd_wps_for_each(hapd, wps_add_pin, &data) < 0)
+ return -1;
+ return data.added ? 0 : -1;
+}
+
+
+static int wps_button_pushed(struct hostapd_data *hapd, void *ctx)
+{
+ const u8 *p2p_dev_addr = ctx;
+ if (hapd->wps == NULL)
+ return 0;
+ return wps_registrar_button_pushed(hapd->wps->registrar, p2p_dev_addr);
+}
+
+
+int hostapd_wps_button_pushed(struct hostapd_data *hapd,
+ const u8 *p2p_dev_addr)
+{
+ return hostapd_wps_for_each(hapd, wps_button_pushed,
+ (void *) p2p_dev_addr);
+}
+
+
+#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;
+
+ 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_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 (wps_process_oob(wps, oob_dev, 1) < 0)
+ goto error;
+
+ 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;
+
+error:
+ wpabuf_free(wps->dh_pubkey);
+ wps->dh_pubkey = NULL;
+ wpabuf_free(wps->dh_privkey);
+ wps->dh_privkey = NULL;
+ return -1;
+}
+#endif /* CONFIG_WPS_OOB */
+
+
+static int hostapd_wps_probe_req_rx(void *ctx, const u8 *addr,
+ const u8 *ie, size_t ie_len)
+{
+ struct hostapd_data *hapd = ctx;
+ struct wpabuf *wps_ie;
+ struct ieee802_11_elems elems;
+
+ if (hapd->wps == NULL)
+ return 0;
+
+ if (ieee802_11_parse_elems(ie, ie_len, &elems, 0) == ParseFailed) {
+ wpa_printf(MSG_DEBUG, "WPS: Could not parse ProbeReq from "
+ MACSTR, MAC2STR(addr));
+ return 0;
+ }
+
+ if (elems.ssid && elems.ssid_len > 0 &&
+ (elems.ssid_len != hapd->conf->ssid.ssid_len ||
+ os_memcmp(elems.ssid, hapd->conf->ssid.ssid, elems.ssid_len) !=
+ 0))
+ return 0; /* Not for us */
+
+ wps_ie = ieee802_11_vendor_ie_concat(ie, ie_len, WPS_DEV_OUI_WFA);
+ if (wps_ie == NULL)
+ return 0;
+ if (wps_validate_probe_req(wps_ie, addr) < 0) {
+ wpabuf_free(wps_ie);
+ return 0;
+ }
+
+ if (wpabuf_len(wps_ie) > 0) {
+ int p2p_wildcard = 0;
+#ifdef CONFIG_P2P
+ if (elems.ssid && elems.ssid_len == P2P_WILDCARD_SSID_LEN &&
+ os_memcmp(elems.ssid, P2P_WILDCARD_SSID,
+ P2P_WILDCARD_SSID_LEN) == 0)
+ p2p_wildcard = 1;
+#endif /* CONFIG_P2P */
+ wps_registrar_probe_req_rx(hapd->wps->registrar, addr, wps_ie,
+ p2p_wildcard);
+#ifdef CONFIG_WPS_UPNP
+ /* FIX: what exactly should be included in the WLANEvent?
+ * WPS attributes? Full ProbeReq frame? */
+ if (!p2p_wildcard)
+ upnp_wps_device_send_wlan_event(
+ hapd->wps_upnp, addr,
+ UPNP_WPS_WLANEVENT_TYPE_PROBE, wps_ie);
+#endif /* CONFIG_WPS_UPNP */
+ }
+
+ wpabuf_free(wps_ie);
+
+ return 0;
+}
+
+
+#ifdef CONFIG_WPS_UPNP
+
+static int hostapd_rx_req_put_wlan_response(
+ void *priv, enum upnp_wps_wlanevent_type ev_type,
+ const u8 *mac_addr, const struct wpabuf *msg,
+ enum wps_msg_type msg_type)
+{
+ struct hostapd_data *hapd = priv;
+ struct sta_info *sta;
+ struct upnp_pending_message *p;
+
+ wpa_printf(MSG_DEBUG, "WPS UPnP: PutWLANResponse ev_type=%d mac_addr="
+ MACSTR, ev_type, MAC2STR(mac_addr));
+ wpa_hexdump(MSG_MSGDUMP, "WPS UPnP: PutWLANResponse NewMessage",
+ wpabuf_head(msg), wpabuf_len(msg));
+ if (ev_type != UPNP_WPS_WLANEVENT_TYPE_EAP) {
+ wpa_printf(MSG_DEBUG, "WPS UPnP: Ignored unexpected "
+ "PutWLANResponse WLANEventType %d", ev_type);
+ return -1;
+ }
+
+ /*
+ * EAP response to ongoing to WPS Registration. Send it to EAP-WSC
+ * server implementation for delivery to the peer.
+ */
+
+ sta = ap_get_sta(hapd, mac_addr);
+#ifndef CONFIG_WPS_STRICT
+ if (!sta) {
+ /*
+ * Workaround - Intel wsccmd uses bogus NewWLANEventMAC:
+ * Pick STA that is in an ongoing WPS registration without
+ * checking the MAC address.
+ */
+ wpa_printf(MSG_DEBUG, "WPS UPnP: No matching STA found based "
+ "on NewWLANEventMAC; try wildcard match");
+ for (sta = hapd->sta_list; sta; sta = sta->next) {
+ if (sta->eapol_sm && (sta->flags & WLAN_STA_WPS))
+ break;
+ }
+ }
+#endif /* CONFIG_WPS_STRICT */
+
+ if (!sta) {
+ wpa_printf(MSG_DEBUG, "WPS UPnP: No matching STA found");
+ return 0;
+ }
+
+ p = os_zalloc(sizeof(*p));
+ if (p == NULL)
+ return -1;
+ os_memcpy(p->addr, sta->addr, ETH_ALEN);
+ p->msg = wpabuf_dup(msg);
+ p->type = msg_type;
+ p->next = hapd->wps->upnp_msgs;
+ hapd->wps->upnp_msgs = p;
+
+ return eapol_auth_eap_pending_cb(sta->eapol_sm, sta->eapol_sm->eap);
+}
+
+
+static int hostapd_wps_upnp_init(struct hostapd_data *hapd,
+ struct wps_context *wps)
+{
+ struct upnp_wps_device_ctx *ctx;
+
+ if (!hapd->conf->upnp_iface)
+ return 0;
+ ctx = os_zalloc(sizeof(*ctx));
+ if (ctx == NULL)
+ return -1;
+
+ ctx->rx_req_put_wlan_response = hostapd_rx_req_put_wlan_response;
+ if (hapd->conf->ap_pin)
+ ctx->ap_pin = os_strdup(hapd->conf->ap_pin);
+
+ 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;
+
+ return 0;
+}
+
+
+static void hostapd_wps_upnp_deinit(struct hostapd_data *hapd)
+{
+ upnp_wps_device_deinit(hapd->wps_upnp, hapd);
+}
+
+#endif /* CONFIG_WPS_UPNP */
+
+
+int hostapd_wps_get_mib_sta(struct hostapd_data *hapd, const u8 *addr,
+ char *buf, size_t buflen)
+{
+ if (hapd->wps == NULL)
+ return 0;
+ return wps_registrar_get_info(hapd->wps->registrar, addr, buf, buflen);
+}
+
+
+static void hostapd_wps_ap_pin_timeout(void *eloop_data, void *user_ctx)
+{
+ struct hostapd_data *hapd = eloop_data;
+ wpa_printf(MSG_DEBUG, "WPS: AP PIN timed out");
+ hostapd_wps_ap_pin_disable(hapd);
+}
+
+
+static void hostapd_wps_ap_pin_enable(struct hostapd_data *hapd, int timeout)
+{
+ wpa_printf(MSG_DEBUG, "WPS: Enabling AP PIN (timeout=%d)", timeout);
+ hapd->ap_pin_failures = 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);
+ hapd->wps->ap_setup_locked = 0;
+ wps_registrar_update_ie(hapd->wps->registrar);
+ }
+ eloop_cancel_timeout(hostapd_wps_ap_pin_timeout, hapd, NULL);
+ if (timeout > 0)
+ eloop_register_timeout(timeout, 0,
+ hostapd_wps_ap_pin_timeout, hapd, NULL);
+}
+
+
+static int wps_ap_pin_disable(struct hostapd_data *hapd, void *ctx)
+{
+ os_free(hapd->conf->ap_pin);
+ hapd->conf->ap_pin = NULL;
+#ifdef CONFIG_WPS_UPNP
+ upnp_wps_set_ap_pin(hapd->wps_upnp, NULL);
+#endif /* CONFIG_WPS_UPNP */
+ eloop_cancel_timeout(hostapd_wps_ap_pin_timeout, hapd, NULL);
+ return 0;
+}
+
+
+void hostapd_wps_ap_pin_disable(struct hostapd_data *hapd)
+{
+ wpa_printf(MSG_DEBUG, "WPS: Disabling AP PIN");
+ hostapd_wps_for_each(hapd, wps_ap_pin_disable, NULL);
+}
+
+
+struct wps_ap_pin_data {
+ char pin_txt[9];
+ int timeout;
+};
+
+
+static int wps_ap_pin_set(struct hostapd_data *hapd, void *ctx)
+{
+ struct wps_ap_pin_data *data = ctx;
+ os_free(hapd->conf->ap_pin);
+ hapd->conf->ap_pin = os_strdup(data->pin_txt);
+#ifdef CONFIG_WPS_UPNP
+ upnp_wps_set_ap_pin(hapd->wps_upnp, data->pin_txt);
+#endif /* CONFIG_WPS_UPNP */
+ hostapd_wps_ap_pin_enable(hapd, data->timeout);
+ return 0;
+}
+
+
+const char * hostapd_wps_ap_pin_random(struct hostapd_data *hapd, int timeout)
+{
+ unsigned int pin;
+ struct wps_ap_pin_data data;
+
+ pin = wps_generate_pin();
+ os_snprintf(data.pin_txt, sizeof(data.pin_txt), "%u", pin);
+ data.timeout = timeout;
+ hostapd_wps_for_each(hapd, wps_ap_pin_set, &data);
+ return hapd->conf->ap_pin;
+}
+
+
+const char * hostapd_wps_ap_pin_get(struct hostapd_data *hapd)
+{
+ return hapd->conf->ap_pin;
+}
+
+
+int hostapd_wps_ap_pin_set(struct hostapd_data *hapd, const char *pin,
+ int timeout)
+{
+ struct wps_ap_pin_data data;
+ int ret;
+
+ ret = os_snprintf(data.pin_txt, sizeof(data.pin_txt), "%s", pin);
+ if (ret < 0 || ret >= (int) sizeof(data.pin_txt))
+ 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, "WEP", 3) == 0)
+ cred.encr_type = WPS_ENCR_WEP;
+ 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);
+}