Systemd/src/network/netdev/wireguard.h

99 lines
3.8 KiB
C

#pragma once
/***
This file is part of systemd.
Copyright 2016 Jörg Thalheim <joerg@thalheim.io>
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
typedef struct Wireguard Wireguard;
#include "netdev.h"
#include "sd-resolve.h"
#include "wireguard-netlink.h"
#include "socket-util.h"
#include "in-addr-util.h"
#ifndef IFNAMSIZ
#define IFNAMSIZ 16
#endif
typedef struct WireguardIPmask {
uint16_t family;
union in_addr_union ip;
uint8_t cidr;
LIST_FIELDS(struct WireguardIPmask, ipmasks);
} WireguardIPmask;
typedef struct WireguardPeer {
uint8_t public_key[WG_KEY_LEN];
uint8_t preshared_key[WG_KEY_LEN];
uint32_t flags;
union sockaddr_union endpoint;
uint16_t persistent_keepalive_interval;
LIST_HEAD(WireguardIPmask, ipmasks);
LIST_FIELDS(struct WireguardPeer, peers);
} WireguardPeer;
typedef struct WireguardEndpoint {
char *host;
char *port;
NetDev *netdev;
WireguardPeer *peer;
LIST_FIELDS(struct WireguardEndpoint, endpoints);
} WireguardEndpoint;
struct Wireguard {
NetDev meta;
unsigned last_peer_section;
char interface[IFNAMSIZ];
uint32_t flags;
uint8_t public_key[WG_KEY_LEN];
uint8_t private_key[WG_KEY_LEN];
uint32_t fwmark;
uint16_t port;
LIST_HEAD(WireguardPeer, peers);
size_t allocation_size;
sd_event_source *resolve_retry_event_source;
LIST_HEAD(WireguardEndpoint, unresolved_endpoints);
LIST_HEAD(WireguardEndpoint, failed_endpoints);
unsigned n_retries;
sd_resolve_query *resolve_query;
};
DEFINE_NETDEV_CAST(WIREGUARD, Wireguard);
extern const NetDevVTable wireguard_vtable;
int config_parse_wireguard_allowed_ips(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
int config_parse_wireguard_endpoint(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
int config_parse_wireguard_listen_port(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
int config_parse_wireguard_public_key(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
int config_parse_wireguard_private_key(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
int config_parse_wireguard_preshared_key(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
int config_parse_wireguard_keepalive(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);