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tailscale/wgengine/wgcfg/config.go

42 lines
1.1 KiB
Go

// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package wgcfg has types and a parser for representing WireGuard config.
package wgcfg
import (
"inet.af/netaddr"
"tailscale.com/types/key"
)
//go:generate go run tailscale.com/cmd/cloner -type=Config,Peer -output=clone.go
// Config is a WireGuard configuration.
// It only supports the set of things Tailscale uses.
type Config struct {
Name string
PrivateKey key.NodePrivate
Addresses []netaddr.IPPrefix
MTU uint16
DNS []netaddr.IP
Peers []Peer
}
type Peer struct {
PublicKey key.NodePublic
DiscoKey key.DiscoPublic // present only so we can handle restarts within wgengine, not passed to WireGuard
AllowedIPs []netaddr.IPPrefix
PersistentKeepalive uint16
}
// PeerWithKey returns the Peer with key k and reports whether it was found.
func (config Config) PeerWithKey(k key.NodePublic) (Peer, bool) {
for _, p := range config.Peers {
if p.PublicKey == k {
return p, true
}
}
return Peer{}, false
}