mirror of
https://github.com/tailscale/tailscale.git
synced 2024-12-12 11:14:40 +00:00
8b9474b06a
That's already the default. Avoid the overhead of writing it on one side and reading it on the other to do nothing. Updates #cleanup (noticed while researching something else) Change-Id: I449c88a022271afb9be5da876bfaf438fe5d3f58 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
59 lines
1.9 KiB
Go
59 lines
1.9 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
|
|
// SPDX-License-Identifier: BSD-3-Clause
|
|
|
|
// Package wgcfg has types and a parser for representing WireGuard config.
|
|
package wgcfg
|
|
|
|
import (
|
|
"net/netip"
|
|
|
|
"tailscale.com/tailcfg"
|
|
"tailscale.com/types/key"
|
|
"tailscale.com/types/logid"
|
|
)
|
|
|
|
//go:generate go run tailscale.com/cmd/cloner -type=Config,Peer
|
|
|
|
// Config is a WireGuard configuration.
|
|
// It only supports the set of things Tailscale uses.
|
|
type Config struct {
|
|
Name string
|
|
NodeID tailcfg.StableNodeID
|
|
PrivateKey key.NodePrivate
|
|
Addresses []netip.Prefix
|
|
MTU uint16
|
|
DNS []netip.Addr
|
|
Peers []Peer
|
|
|
|
// NetworkLogging enables network logging.
|
|
// It is disabled if either ID is the zero value.
|
|
NetworkLogging struct {
|
|
NodeID logid.PrivateID
|
|
DomainID logid.PrivateID
|
|
}
|
|
}
|
|
|
|
type Peer struct {
|
|
PublicKey key.NodePublic
|
|
DiscoKey key.DiscoPublic // present only so we can handle restarts within wgengine, not passed to WireGuard
|
|
AllowedIPs []netip.Prefix
|
|
V4MasqAddr *netip.Addr // if non-nil, masquerade IPv4 traffic to this peer using this address
|
|
V6MasqAddr *netip.Addr // if non-nil, masquerade IPv6 traffic to this peer using this address
|
|
PersistentKeepalive uint16 // in seconds between keep-alives; 0 to disable
|
|
// wireguard-go's endpoint for this peer. It should always equal Peer.PublicKey.
|
|
// We represent it explicitly so that we can detect if they diverge and recover.
|
|
// There is no need to set WGEndpoint explicitly when constructing a Peer by hand.
|
|
// It is only populated when reading Peers from wireguard-go.
|
|
WGEndpoint key.NodePublic
|
|
}
|
|
|
|
// 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
|
|
}
|