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Bind implementation (#779)

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This PR adds supports for the WireGuard userspace implementation
using Bind interface from wireguard-go. 
The newly introduced ICEBind struct implements Bind with UDPMux-based
structs from pion/ice to handle hole punching using ICE.
The core implementation was taken from StdBind of wireguard-go.

The result is a single WireGuard port that is used for host and server reflexive candidates. 
Relay candidates are still handled separately and will be integrated in the following PRs.

ICEBind checks the incoming packets for being STUN or WireGuard ones
and routes them to UDPMux (to handle hole punching) or to WireGuard  respectively.
This commit is contained in:
Misha Bragin
2023-04-13 17:00:01 +02:00
committed by GitHub
parent 0343c5f239
commit 2eeed55c18
53 changed files with 1992 additions and 408 deletions
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6
client/internal/connect.go
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@ -23,7 +23,7 @@ import (
)
// RunClient with main logic.
func RunClient(ctx context.Context, config *Config, statusRecorder *peer.Status, tunAdapter iface.TunAdapter, iFaceDiscover stdnet.IFaceDiscover) error {
func RunClient(ctx context.Context, config *Config, statusRecorder *peer.Status, tunAdapter iface.TunAdapter, iFaceDiscover stdnet.ExternalIFaceDiscover) error {
backOff := &backoff.ExponentialBackOff{
InitialInterval: time.Second,
RandomizationFactor: 1,
@ -108,7 +108,7 @@ func RunClient(ctx context.Context, config *Config, statusRecorder *peer.Status,
localPeerState := peer.LocalPeerState{
IP: loginResp.GetPeerConfig().GetAddress(),
PubKey: myPrivateKey.PublicKey().String(),
KernelInterface: iface.WireguardModuleIsLoaded(),
KernelInterface: iface.WireGuardModuleIsLoaded(),
FQDN: loginResp.GetPeerConfig().GetFqdn(),
}
@ -194,7 +194,7 @@ func RunClient(ctx context.Context, config *Config, statusRecorder *peer.Status,
}
// createEngineConfig converts configuration received from Management Service to EngineConfig
func createEngineConfig(key wgtypes.Key, config *Config, peerConfig *mgmProto.PeerConfig, tunAdapter iface.TunAdapter, iFaceDiscover stdnet.IFaceDiscover) (*EngineConfig, error) {
func createEngineConfig(key wgtypes.Key, config *Config, peerConfig *mgmProto.PeerConfig, tunAdapter iface.TunAdapter, iFaceDiscover stdnet.ExternalIFaceDiscover) (*EngineConfig, error) {
engineConf := &EngineConfig{
WgIfaceName: config.WgIface,