/*
 * eset_wap (ESET Web Access Protection module)
 * Copyright (C) 1992-2023 ESET, spol. s r.o.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 * In case of any questions, you can contact us at ESET, spol. s r.o., Einsteinova 24, 851 01 Bratislava, Slovakia.
 */

#ifndef _ESET_WAP_H
#define _ESET_WAP_H

#include <linux/ioctl.h>
#include <linux/types.h>

#define ESET_WAP_FULL_NAME "ESET Web access protection module"
#define ESET_WAP "eset_wap"

#define EWAP_VERSION "1.0"

#define EWAP_DEVICE_NAME ESET_WAP
#define EWAP_DEV "/dev/" EWAP_DEVICE_NAME

#pragma pack(4)

enum eset_wap_address_type {
  EWAP_ADDRESS_TYPE_V4 = 1,
  EWAP_ADDRESS_TYPE_V6 = 2,
};

struct v4_address {
  uint32_t saddr;
  uint16_t sport;
  uint32_t daddr;
  uint16_t dport;
};

struct v6_address {
  uint8_t saddr[16];
  uint16_t sport;
  uint8_t daddr[16];
  uint16_t dport;
};

struct eset_wap_path {
  void *buffer;
  uint32_t size;
};

struct eset_wap_connection_info {
  int32_t pid;
  uint32_t uid;

  struct eset_wap_path path;
};

struct eset_wap_get_connection_info {
  uint32_t type;
  union {
    struct v4_address v4;
    struct v6_address v6;
  } address;

  struct eset_wap_connection_info result;
};

#pragma pack()
#define EWAP_GET_CONNECTION_INFO_QUERY \
  _IOWR('w', 1, struct eset_wap_get_connection_info *)

#endif