Current File : //usr/include/openvpn/openvpn-msg.h
/*
* OpenVPN -- An application to securely tunnel IP networks
* over a single TCP/UDP port, with support for SSL/TLS-based
* session authentication and key exchange,
* packet encryption, packet authentication, and
* packet compression.
*
* Copyright (C) 2013-2023 Heiko Hund <heiko.hund@sophos.com>
*
* 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.
*
* 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef OPENVPN_MSG_H_
#define OPENVPN_MSG_H_
typedef enum {
msg_acknowledgement,
msg_add_address,
msg_del_address,
msg_add_route,
msg_del_route,
msg_add_dns_cfg,
msg_del_dns_cfg,
msg_add_nbt_cfg,
msg_del_nbt_cfg,
msg_flush_neighbors,
msg_add_block_dns,
msg_del_block_dns,
msg_register_dns,
msg_enable_dhcp,
msg_register_ring_buffers,
msg_set_mtu,
msg_add_wins_cfg,
msg_del_wins_cfg
} message_type_t;
typedef struct {
message_type_t type;
size_t size;
int message_id;
} message_header_t;
typedef union {
struct in_addr ipv4;
struct in6_addr ipv6;
} inet_address_t;
typedef struct {
int index;
char name[256];
} interface_t;
typedef struct {
message_header_t header;
short family;
inet_address_t address;
int prefix_len;
interface_t iface;
} address_message_t;
typedef struct {
message_header_t header;
short family;
inet_address_t prefix;
int prefix_len;
inet_address_t gateway;
interface_t iface;
int metric;
} route_message_t;
typedef struct {
message_header_t header;
interface_t iface;
char domains[512];
short family;
int addr_len;
inet_address_t addr[4]; /* support up to 4 dns addresses */
} dns_cfg_message_t;
typedef struct {
message_header_t header;
interface_t iface;
int addr_len;
inet_address_t addr[4]; /* support up to 4 dns addresses */
} wins_cfg_message_t;
typedef struct {
message_header_t header;
interface_t iface;
int disable_nbt;
int nbt_type;
char scope_id[256];
struct in_addr primary_nbns;
struct in_addr secondary_nbns;
} nbt_cfg_message_t;
/* TODO: NTP */
typedef struct {
message_header_t header;
short family;
interface_t iface;
} flush_neighbors_message_t;
typedef struct {
message_header_t header;
int error_number;
} ack_message_t;
typedef struct {
message_header_t header;
interface_t iface;
} block_dns_message_t;
typedef struct {
message_header_t header;
interface_t iface;
} enable_dhcp_message_t;
typedef struct {
message_header_t header;
HANDLE device;
HANDLE send_ring_handle;
HANDLE receive_ring_handle;
HANDLE send_tail_moved;
HANDLE receive_tail_moved;
} register_ring_buffers_message_t;
typedef struct {
message_header_t header;
interface_t iface;
short family;
int mtu;
} set_mtu_message_t;
#endif /* ifndef OPENVPN_MSG_H_ */
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