he_internal.h File Reference

Core internal header file for libhelium. More...

#include "he.h"
#include <stdbool.h>
#include <stdint.h>
#include "he_plugin.h"
#include "pmtud.h"
#include <wolfssl/options.h>
#include <wolfssl/ssl.h>
#include <wolfssl/wolfcrypt/settings.h>
#include <wolfssl/wolfcrypt/random.h>

Include dependency graph for he_internal.h:

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Go to the source code of this file.

Data Structures
struct	he_packet_buffer
struct	he_version_info
struct	he_ssl_ctx
struct	he_internal_pmtud_
struct	he_conn
struct	he_plugin_chain
struct	he_msg_hdr
struct	he_msg_ping
struct	he_msg_pong
struct	he_msg_auth_hdr
struct	he_msg_auth
struct	he_msg_auth_token
struct	he_msg_auth_buf
struct	he_msg_server_config
struct	he_msg_config_ipv4
struct	he_msg_data
struct	he_msg_data_frag
struct	he_deprecated_msg_13
struct	he_msg_auth_response
struct	he_msg_session_request
struct	he_msg_session_response
struct	he_msg_goodbye
struct	he_msg_extension

Macros
#define	HE_ATOMIC
#define	HE_FRAG_MF_MASK   0x2000
#define	HE_FRAG_OFF_MASK   0x1FFF
#define	HE_FRAG_TTL   64
#define	HE_AUTH_STATUS_SUCCESS   0
#define	HE_AUTH_STATUS_FAILURE   1
#define	HE_EXT_TYPE_REQUEST   1
#define	HE_EXT_TYPE_RESPONSE   2
#define	HE_EXT_ID_BLOCK_DNS_OVER_TLS   1
#define	HE_EXT_PAYLOAD_TYPE_MSGPACK   1
#define	HE_EXT_PAYLOAD_TYPE_BINARY   2
#define	HE_EXT_PAYLOAD_TYPE_INT16   3
#define	HE_WOLF_MAX_HEADER_SIZE   37
#define	HE_IPV4_HEADER_SIZE   20
#define	HE_TCP_HEADER_SIZE   20
#define	HE_UDP_HEADER_SIZE   8
#define	HE_HEADER_SAFE_GAP   28
#define	HE_MSS_OVERHEAD   (HE_IPV4_HEADER_SIZE + HE_TCP_HEADER_SIZE)

Typedefs
typedef struct he_packet_buffer	he_packet_buffer_t
typedef struct he_version_info	he_version_info_t
typedef struct he_internal_pmtud_	he_internal_pmtud_t
typedef struct he_fragment_table	he_fragment_table_t
typedef enum msg_ids	msg_ids_t
typedef struct he_msg_hdr	he_msg_hdr_t
typedef struct he_msg_ping	he_msg_ping_t
typedef struct he_msg_pong	he_msg_pong_t
typedef struct he_msg_auth_hdr	he_msg_auth_hdr_t
typedef struct he_msg_auth	he_msg_auth_t
typedef struct he_msg_auth_token	he_msg_auth_token_t
typedef struct he_msg_auth_buf	he_msg_auth_buf_t
typedef struct he_msg_server_config	he_msg_server_config_t
typedef struct he_msg_config_ipv4	he_msg_config_ipv4_t
typedef struct he_msg_data	he_msg_data_t
typedef struct he_msg_data_frag	he_msg_data_frag_t
typedef struct he_deprecated_msg_13	he_deprecated_msg_13_t
typedef struct he_msg_auth_response	he_msg_auth_response_t
typedef struct he_msg_session_request	he_msg_session_request_t
typedef struct he_msg_session_response	he_msg_session_response_t
typedef struct he_msg_goodbye	he_msg_goodbye_t
typedef struct he_msg_extension	he_msg_extension_t

Enumerations
enum	msg_ids {   HE_MSGID_NOOP = 1, HE_MSGID_PING = 2, HE_MSGID_PONG = 3, HE_MSGID_AUTH = 4,   HE_MSGID_DATA = 5, HE_MSGID_CONFIG_IPV4 = 6, HE_MSGID_AUTH_RESPONSE = 7, HE_MSGID_AUTH_RESPONSE_WITH_CONFIG = 8,   HE_MSGID_EXTENSION = 9, HE_MSGID_SESSION_REQUEST = 10, HE_MSGID_SESSION_RESPONSE = 11, HE_MSGID_GOODBYE = 12,   HE_MSGID_DEPRECATED_13 = 13, HE_MSGID_SERVER_CONFIG = 14, HE_MSGID_DATA_WITH_FRAG = 15 }

Detailed Description

Core internal header file for libhelium.

Lightway Core Copyright (C) 2021 Express VPN International Ltd.

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 2 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, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

This file includes common type definitions and useful constants for ensuring consistency across the code files for libhelium. It should be included by every header file.

Enumeration Type Documentation

msg_ids

enum msg_ids

Enumerator
HE_MSGID_NOOP	NOOP - nothing to do.
HE_MSGID_PING	Ping request.
HE_MSGID_PONG	Pong - response to a Ping request.
HE_MSGID_AUTH	Authentication Request (only server should see this)
HE_MSGID_DATA	Data packet - contains data to be sent to the tun device.
HE_MSGID_CONFIG_IPV4	Config.
HE_MSGID_AUTH_RESPONSE	Auth response.
HE_MSGID_AUTH_RESPONSE_WITH_CONFIG	Auth response with config (fast login)
HE_MSGID_EXTENSION	Helium Extension message.
HE_MSGID_SESSION_REQUEST	Session Request.
HE_MSGID_SESSION_RESPONSE	Session Response.
HE_MSGID_GOODBYE	Tell the other side that we're closing down.
HE_MSGID_DEPRECATED_13	Deprecated message - same as Data packet with an unused int flag.
HE_MSGID_SERVER_CONFIG	Server configuration data pushed to the client by the server.
HE_MSGID_DATA_WITH_FRAG	Fragmented Data Packet.