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/*
* 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.
* |
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* Copyright (C) 2013-2018 Heiko Hund <heiko.hund@sophos.com> |
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*
* 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.
* |
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* 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. |
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*/
#ifndef OPENVPN_MSG_H_
#define OPENVPN_MSG_H_
typedef enum { |
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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 |
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} message_type_t;
typedef struct { |
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message_type_t type;
size_t size;
int message_id; |
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} message_header_t;
typedef union { |
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struct in_addr ipv4;
struct in6_addr ipv6; |
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} inet_address_t;
typedef struct { |
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int index;
char name[256]; |
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} interface_t;
typedef struct { |
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message_header_t header;
short family;
inet_address_t address;
int prefix_len;
interface_t iface; |
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} address_message_t;
typedef struct { |
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message_header_t header;
short family;
inet_address_t prefix;
int prefix_len;
inet_address_t gateway;
interface_t iface;
int metric; |
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} route_message_t;
typedef struct { |
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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 */ |
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} dns_cfg_message_t;
typedef struct { |
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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; |
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} nbt_cfg_message_t;
|
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/* TODO: NTP */ |
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typedef struct { |
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message_header_t header;
short family;
interface_t iface; |
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} flush_neighbors_message_t;
typedef struct { |
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message_header_t header;
int error_number; |
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} ack_message_t;
|
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typedef struct { |
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message_header_t header;
interface_t iface; |
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} block_dns_message_t;
|
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#endif /* ifndef OPENVPN_MSG_H_ */ |