src/network/netdev/wireguard.h

   1 #pragma once
   2
   3 /***
   4   Copyright 2016 Jörg Thalheim <joerg@thalheim.io>
   5 ***/
   6
   7 typedef struct Wireguard Wireguard;
   8
   9 #include "netdev.h"
  10 #include "sd-resolve.h"
  11 #include "wireguard-netlink.h"
  12 #include "socket-util.h"
  13 #include "in-addr-util.h"
  14
  15 #ifndef IFNAMSIZ
  16 #define IFNAMSIZ 16
  17 #endif
  18
  19 typedef struct WireguardIPmask {
  20         uint16_t family;
  21         union in_addr_union ip;
  22         uint8_t cidr;
  23
  24         LIST_FIELDS(struct WireguardIPmask, ipmasks);
  25 } WireguardIPmask;
  26
  27 typedef struct WireguardPeer {
  28         uint8_t public_key[WG_KEY_LEN];
  29         uint8_t preshared_key[WG_KEY_LEN];
  30         uint32_t flags;
  31
  32         union sockaddr_union endpoint;
  33
  34         uint16_t persistent_keepalive_interval;
  35
  36         LIST_HEAD(WireguardIPmask, ipmasks);
  37         LIST_FIELDS(struct WireguardPeer, peers);
  38 } WireguardPeer;
  39
  40 typedef struct WireguardEndpoint {
  41         char *host;
  42         char *port;
  43
  44         NetDev *netdev;
  45         WireguardPeer *peer;
  46
  47         LIST_FIELDS(struct WireguardEndpoint, endpoints);
  48 } WireguardEndpoint;
  49
  50 struct Wireguard {
  51         NetDev meta;
  52         unsigned last_peer_section;
  53
  54         char interface[IFNAMSIZ];
  55         uint32_t flags;
  56
  57         uint8_t public_key[WG_KEY_LEN];
  58         uint8_t private_key[WG_KEY_LEN];
  59         uint32_t fwmark;
  60
  61         uint16_t port;
  62
  63         LIST_HEAD(WireguardPeer, peers);
  64         size_t allocation_size;
  65         sd_event_source *resolve_retry_event_source;
  66
  67         LIST_HEAD(WireguardEndpoint, unresolved_endpoints);
  68         LIST_HEAD(WireguardEndpoint, failed_endpoints);
  69         unsigned n_retries;
  70         sd_resolve_query *resolve_query;
  71 };
  72
  73 DEFINE_NETDEV_CAST(WIREGUARD, Wireguard);
  74 extern const NetDevVTable wireguard_vtable;
  75
  76 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);
  77 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);
  78 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);
  79
  80 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);
  81 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);
  82 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);
  83 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);