93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
/* SPDX-License-Identifier: ISC */
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/*
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* Copyright (C) 2020 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
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* Copyright (c) 2020 Matt Dunwoodie <ncon@noconroy.net>
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*/
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#ifndef __IF_WG_H__
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#define __IF_WG_H__
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#include <sys/limits.h>
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#include <sys/errno.h>
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#include <net/if.h>
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#include <netinet/in.h>
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/*
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* This is the public interface to the WireGuard network interface.
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*
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* It is designed to be used by tools such as ifconfig(8) and wg(8).
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*/
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#define WG_KEY_LEN 32
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#define SIOCSWG _IOWR('i', 210, struct wg_data_io)
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#define SIOCGWG _IOWR('i', 211, struct wg_data_io)
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#define a_ipv4 a_addr.addr_ipv4
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#define a_ipv6 a_addr.addr_ipv6
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struct wg_aip_io {
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sa_family_t a_af;
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int a_cidr;
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union wg_aip_addr {
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struct in_addr addr_ipv4;
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struct in6_addr addr_ipv6;
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} a_addr;
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};
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#define WG_PEER_HAS_PUBLIC (1 << 0)
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#define WG_PEER_HAS_PSK (1 << 1)
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#define WG_PEER_HAS_PKA (1 << 2)
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#define WG_PEER_HAS_ENDPOINT (1 << 3)
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#define WG_PEER_REPLACE_AIPS (1 << 4)
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#define WG_PEER_REMOVE (1 << 5)
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#define WG_PEER_UPDATE (1 << 6)
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#define p_sa p_endpoint.sa_sa
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#define p_sin p_endpoint.sa_sin
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#define p_sin6 p_endpoint.sa_sin6
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struct wg_peer_io {
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int p_flags;
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int p_protocol_version;
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uint8_t p_public[WG_KEY_LEN];
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uint8_t p_psk[WG_KEY_LEN];
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uint16_t p_pka;
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union wg_peer_endpoint {
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struct sockaddr sa_sa;
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struct sockaddr_in sa_sin;
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struct sockaddr_in6 sa_sin6;
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} p_endpoint;
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uint64_t p_txbytes;
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uint64_t p_rxbytes;
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struct timespec p_last_handshake; /* nanotime */
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size_t p_aips_count;
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struct wg_aip_io p_aips[];
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};
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#define WG_INTERFACE_HAS_PUBLIC (1 << 0)
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#define WG_INTERFACE_HAS_PRIVATE (1 << 1)
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#define WG_INTERFACE_HAS_PORT (1 << 2)
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#define WG_INTERFACE_HAS_RTABLE (1 << 3)
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#define WG_INTERFACE_REPLACE_PEERS (1 << 4)
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struct wg_interface_io {
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uint8_t i_flags;
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in_port_t i_port;
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int i_rtable;
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uint8_t i_public[WG_KEY_LEN];
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uint8_t i_private[WG_KEY_LEN];
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size_t i_peers_count;
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struct wg_peer_io i_peers[];
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};
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struct wg_data_io {
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char wgd_name[IFNAMSIZ];
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size_t wgd_size; /* total size of the memory pointed to by wgd_interface */
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struct wg_interface_io *wgd_interface;
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};
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#endif /* __IF_WG_H__ */
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