krackattacks/hostapd/ap_drv_ops.c

/*
 * hostapd - Driver operations
 * Copyright (c) 2009, 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 "hostapd.h"
#include "sta_info.h"
#include "driver_i.h"


static int hostapd_set_ap_wps_ie(struct hostapd_data *hapd,
				 const struct wpabuf *beacon,
				 const struct wpabuf *proberesp)
{
	if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
		return 0;
	return hapd->driver->set_ap_wps_ie(hapd->conf->iface, hapd->drv_priv,
					   beacon, proberesp);
}


static int hostapd_send_mgmt_frame(struct hostapd_data *hapd, const void *msg,
			   size_t len)
{
	if (hapd->driver == NULL || hapd->driver->send_mlme == NULL)
		return 0;
	return hapd->driver->send_mlme(hapd->drv_priv, msg, len);
}


static int hostapd_send_eapol(struct hostapd_data *hapd, const u8 *addr,
			      const u8 *data, size_t data_len, int encrypt)
{
	if (hapd->driver == NULL || hapd->driver->hapd_send_eapol == NULL)
		return 0;
	return hapd->driver->hapd_send_eapol(hapd->drv_priv, addr, data,
					     data_len, encrypt,
					     hapd->own_addr);
}


static int hostapd_set_authorized(struct hostapd_data *hapd,
				  struct sta_info *sta, int authorized)
{
	if (authorized) {
		return hostapd_sta_set_flags(hapd, sta->addr,
					     hostapd_sta_flags_to_drv(
						     sta->flags),
					     WPA_STA_AUTHORIZED, ~0);
	}

	return hostapd_sta_set_flags(hapd, sta->addr,
				     hostapd_sta_flags_to_drv(sta->flags),
				     0, ~WPA_STA_AUTHORIZED);
}


static int hostapd_set_key(const char *ifname, struct hostapd_data *hapd,
			   wpa_alg alg, const u8 *addr, int key_idx,
			   int set_tx, const u8 *seq, size_t seq_len,
			   const u8 *key, size_t key_len)
{
	if (hapd->driver == NULL || hapd->driver->set_key == NULL)
		return 0;
	return hapd->driver->set_key(ifname, hapd->drv_priv, alg, addr,
				     key_idx, set_tx, seq, seq_len, key,
				     key_len);
}


static int hostapd_read_sta_data(struct hostapd_data *hapd,
				 struct hostap_sta_driver_data *data,
				 const u8 *addr)
{
	if (hapd->driver == NULL || hapd->driver->read_sta_data == NULL)
		return -1;
	return hapd->driver->read_sta_data(hapd->drv_priv, data, addr);
}


static int hostapd_sta_clear_stats(struct hostapd_data *hapd, const u8 *addr)
{
	if (hapd->driver == NULL || hapd->driver->sta_clear_stats == NULL)
		return 0;
	return hapd->driver->sta_clear_stats(hapd->drv_priv, addr);
}


void hostapd_set_driver_ops(struct hostapd_driver_ops *ops)
{
	ops->set_ap_wps_ie = hostapd_set_ap_wps_ie;
	ops->send_mgmt_frame = hostapd_send_mgmt_frame;
	ops->send_eapol = hostapd_send_eapol;
	ops->set_authorized = hostapd_set_authorized;
	ops->set_key = hostapd_set_key;
	ops->read_sta_data = hostapd_read_sta_data;
	ops->sta_clear_stats = hostapd_sta_clear_stats;
}