/*
* hostapd / WPS integration
- * Copyright (c) 2008-2010, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2008-2012, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
#include "utils/eloop.h"
#include "utils/uuid.h"
#include "crypto/dh_groups.h"
+#include "crypto/dh_group5.h"
+#include "crypto/random.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"
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);
+ const u8 *ie, size_t ie_len,
+ int ssi_signal);
static void hostapd_wps_ap_pin_timeout(void *eloop_data, void *user_ctx);
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);
+ 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];
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);
}
}
+static void hostapd_wps_nfc_clear(struct wps_context *wps)
+{
+#ifdef CONFIG_WPS_NFC
+ 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 */
+}
+
+
void hostapd_deinit_wps(struct hostapd_data *hapd)
{
eloop_cancel_timeout(hostapd_wps_reenable_ap_pin, hapd, NULL);
wpabuf_free(hapd->wps->oob_conf.pubkey_hash);
wpabuf_free(hapd->wps->oob_conf.dev_password);
wps_free_pending_msgs(hapd->wps->upnp_msgs);
+ hostapd_wps_nfc_clear(hapd->wps);
os_free(hapd->wps);
hapd->wps = NULL;
hostapd_wps_clear_ies(hapd);
}
+static int wps_cancel(struct hostapd_data *hapd, void *ctx)
+{
+ if (hapd->wps == NULL)
+ return 0;
+
+ wps_registrar_wps_cancel(hapd->wps->registrar);
+ ap_for_each_sta(hapd, ap_sta_wps_cancel, NULL);
+
+ return 0;
+}
+
+
+int hostapd_wps_cancel(struct hostapd_data *hapd)
+{
+ return hostapd_wps_for_each(hapd, wps_cancel, NULL);
+}
+
+
#ifdef CONFIG_WPS_OOB
int hostapd_wps_start_oob(struct hostapd_data *hapd, char *device_type,
char *path, char *method, char *name)
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)
+ const u8 *ie, size_t ie_len,
+ int ssi_signal)
{
struct hostapd_data *hapd = ctx;
struct wpabuf *wps_ie;
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);
+ 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_token_gen(struct hostapd_data *hapd, int ndef)
+{
+ 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;
+
+ 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);
+ 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);
+ wps->ap_nfc_dev_pw = wpabuf_dup(hapd->conf->wps_nfc_dev_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)
+{
+ hostapd_wps_nfc_clear(hapd->wps);
+}
+
+#endif /* CONFIG_WPS_NFC */
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