Update dendrite-demo-yggdrasil to Yggdrasil 0.4 (#1921)

* Update Yggdrasil P2P demo for Yggdrasil v0.4

* Build fixes

build/gobind-yggdrasil/monolith.go

@@ -45,10 +45,6 @@ func (m *DendriteMonolith) PeerCount() int {
 	return m.YggdrasilNode.PeerCount()
 }
 
-func (m *DendriteMonolith) SessionCount() int {
-	return m.YggdrasilNode.SessionCount()
-}
-
 func (m *DendriteMonolith) SetMulticastEnabled(enabled bool) {
 	m.YggdrasilNode.SetMulticastEnabled(enabled)
 }
@@ -78,7 +74,7 @@ func (m *DendriteMonolith) Start() {
 		panic(err)
 	}
 
-	ygg, err := yggconn.Setup("dendrite", m.StorageDirectory)
+	ygg, err := yggconn.Setup("dendrite", m.StorageDirectory, "")
 	if err != nil {
 		panic(err)
 	}
@@ -87,7 +83,7 @@ func (m *DendriteMonolith) Start() {
 	cfg := &config.Dendrite{}
 	cfg.Defaults()
 	cfg.Global.ServerName = gomatrixserverlib.ServerName(ygg.DerivedServerName())
-	cfg.Global.PrivateKey = ygg.SigningPrivateKey()
+	cfg.Global.PrivateKey = ygg.PrivateKey()
 	cfg.Global.KeyID = gomatrixserverlib.KeyID(signing.KeyID)
 	cfg.Global.Kafka.UseNaffka = true
 	cfg.Global.Kafka.Database.ConnectionString = config.DataSource(fmt.Sprintf("file:%s/dendrite-p2p-naffka.db", m.StorageDirectory))
@@ -134,18 +130,6 @@ func (m *DendriteMonolith) Start() {
 	asAPI := appservice.NewInternalAPI(base, userAPI, rsAPI)
 	rsAPI.SetAppserviceAPI(asAPI)
 
-	ygg.SetSessionFunc(func(address string) {
-		req := &api.PerformServersAliveRequest{
-			Servers: []gomatrixserverlib.ServerName{
-				gomatrixserverlib.ServerName(address),
-			},
-		}
-		res := &api.PerformServersAliveResponse{}
-		if err := fsAPI.PerformServersAlive(context.TODO(), req, res); err != nil {
-			logrus.WithError(err).Error("Failed to send wake-up message to newly connected node")
-		}
-	})
-
 	// The underlying roomserver implementation needs to be able to call the fedsender.
 	// This is different to rsAPI which can be the http client which doesn't need this dependency
 	rsAPI.SetFederationSenderAPI(fsAPI)

cmd/dendrite-demo-yggdrasil/convert/25519.go

@@ -1,53 +0,0 @@
-// Copyright 2019 Google LLC
-//
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file or at
-// https://developers.google.com/open-source/licenses/bsd
-//
-// Original code from https://github.com/FiloSottile/age/blob/bbab440e198a4d67ba78591176c7853e62d29e04/internal/age/ssh.go
-
-package convert
-
-import (
-	"crypto/ed25519"
-	"crypto/sha512"
-	"math/big"
-
-	"golang.org/x/crypto/curve25519"
-)
-
-var curve25519P, _ = new(big.Int).SetString("57896044618658097711785492504343953926634992332820282019728792003956564819949", 10)
-
-func Ed25519PrivateKeyToCurve25519(pk ed25519.PrivateKey) []byte {
-	h := sha512.New()
-	_, _ = h.Write(pk.Seed())
-	out := h.Sum(nil)
-	return out[:curve25519.ScalarSize]
-}
-
-func Ed25519PublicKeyToCurve25519(pk ed25519.PublicKey) []byte {
-	// ed25519.PublicKey is a little endian representation of the y-coordinate,
-	// with the most significant bit set based on the sign of the x-coordinate.
-	bigEndianY := make([]byte, ed25519.PublicKeySize)
-	for i, b := range pk {
-		bigEndianY[ed25519.PublicKeySize-i-1] = b
-	}
-	bigEndianY[0] &= 0b0111_1111
-
-	// The Montgomery u-coordinate is derived through the bilinear map
-	//     u = (1 + y) / (1 - y)
-	// See https://blog.filippo.io/using-ed25519-keys-for-encryption.
-	y := new(big.Int).SetBytes(bigEndianY)
-	denom := big.NewInt(1)
-	denom.ModInverse(denom.Sub(denom, y), curve25519P) // 1 / (1 - y)
-	u := y.Mul(y.Add(y, big.NewInt(1)), denom)
-	u.Mod(u, curve25519P)
-
-	out := make([]byte, curve25519.PointSize)
-	uBytes := u.Bytes()
-	for i, b := range uBytes {
-		out[len(uBytes)-i-1] = b
-	}
-
-	return out
-}

cmd/dendrite-demo-yggdrasil/convert/25519_test.go

@@ -1,51 +0,0 @@
-// Copyright 2020 The Matrix.org Foundation C.I.C.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package convert
-
-import (
-	"bytes"
-	"crypto/ed25519"
-	"encoding/hex"
-	"testing"
-
-	"golang.org/x/crypto/curve25519"
-)
-
-func TestKeyConversion(t *testing.T) {
-	edPub, edPriv, err := ed25519.GenerateKey(nil)
-	if err != nil {
-		t.Fatal(err)
-	}
-	t.Log("Signing public:", hex.EncodeToString(edPub))
-	t.Log("Signing private:", hex.EncodeToString(edPriv))
-
-	cuPriv := Ed25519PrivateKeyToCurve25519(edPriv)
-	t.Log("Encryption private:", hex.EncodeToString(cuPriv))
-
-	cuPub := Ed25519PublicKeyToCurve25519(edPub)
-	t.Log("Converted encryption public:", hex.EncodeToString(cuPub))
-
-	var realPub, realPriv [32]byte
-	copy(realPriv[:32], cuPriv[:32])
-	curve25519.ScalarBaseMult(&realPub, &realPriv)
-	t.Log("Scalar-multed encryption public:", hex.EncodeToString(realPub[:]))
-
-	if !bytes.Equal(realPriv[:], cuPriv[:]) {
-		t.Fatal("Private keys should be equal (this means the test is broken)")
-	}
-	if !bytes.Equal(realPub[:], cuPub[:]) {
-		t.Fatal("Public keys should be equal")
-	}
-}

cmd/dendrite-demo-yggdrasil/main.go

@@ -56,21 +56,23 @@ func main() {
 	flag.Parse()
 	internal.SetupPprof()
 
-	ygg, err := yggconn.Setup(*instanceName, ".")
+	ygg, err := yggconn.Setup(*instanceName, ".", *instancePeer)
 	if err != nil {
 		panic(err)
 	}
+	/*
 		ygg.SetMulticastEnabled(true)
 		if instancePeer != nil && *instancePeer != "" {
 			if err = ygg.SetStaticPeer(*instancePeer); err != nil {
 				logrus.WithError(err).Error("Failed to set static peer")
 			}
 		}
+	*/
 
 	cfg := &config.Dendrite{}
 	cfg.Defaults()
 	cfg.Global.ServerName = gomatrixserverlib.ServerName(ygg.DerivedServerName())
-	cfg.Global.PrivateKey = ygg.SigningPrivateKey()
+	cfg.Global.PrivateKey = ygg.PrivateKey()
 	cfg.Global.KeyID = gomatrixserverlib.KeyID(signing.KeyID)
 	cfg.Global.Kafka.UseNaffka = true
 	cfg.UserAPI.AccountDatabase.ConnectionString = config.DataSource(fmt.Sprintf("file:%s-account.db", *instanceName))
@@ -117,18 +119,6 @@ func main() {
 		base, federation, rsAPI, keyRing, true,
 	)
 
-	ygg.SetSessionFunc(func(address string) {
-		req := &api.PerformServersAliveRequest{
-			Servers: []gomatrixserverlib.ServerName{
-				gomatrixserverlib.ServerName(address),
-			},
-		}
-		res := &api.PerformServersAliveResponse{}
-		if err := fsAPI.PerformServersAlive(context.TODO(), req, res); err != nil {
-			logrus.WithError(err).Error("Failed to send wake-up message to newly connected node")
-		}
-	})
-
 	rsComponent.SetFederationSenderAPI(fsAPI)
 
 	monolith := setup.Monolith{

cmd/dendrite-demo-yggdrasil/yggconn/client.go

@@ -51,7 +51,6 @@ func (n *Node) CreateFederationClient(
 				ResponseHeaderTimeout: 10 * time.Second,
 				IdleConnTimeout:       30 * time.Second,
 				DialContext:           n.DialerContext,
-				TLSClientConfig:       n.tlsConfig,
 			},
 		},
 	)

cmd/dendrite-demo-yggdrasil/yggconn/node.go

@@ -17,7 +17,6 @@ package yggconn
 import (
 	"context"
 	"crypto/ed25519"
-	"crypto/tls"
 	"encoding/hex"
 	"encoding/json"
 	"fmt"
@@ -26,60 +25,48 @@ import (
 	"net"
 	"os"
 	"strings"
-	"sync"
-	"time"
 
 	"github.com/lucas-clemente/quic-go"
-	"github.com/matrix-org/dendrite/cmd/dendrite-demo-yggdrasil/convert"
 	"github.com/matrix-org/gomatrixserverlib"
-	"go.uber.org/atomic"
+	"github.com/neilalexander/utp"
 
+	ironwoodtypes "github.com/Arceliar/ironwood/types"
 	yggdrasilconfig "github.com/yggdrasil-network/yggdrasil-go/src/config"
+	yggdrasilcore "github.com/yggdrasil-network/yggdrasil-go/src/core"
+	yggdrasildefaults "github.com/yggdrasil-network/yggdrasil-go/src/defaults"
 	yggdrasilmulticast "github.com/yggdrasil-network/yggdrasil-go/src/multicast"
-	"github.com/yggdrasil-network/yggdrasil-go/src/yggdrasil"
 
 	gologme "github.com/gologme/log"
 )
 
 type Node struct {
-	core         *yggdrasil.Core
+	core      *yggdrasilcore.Core
 	config    *yggdrasilconfig.NodeConfig
-	state        *yggdrasilconfig.NodeState
 	multicast *yggdrasilmulticast.Multicast
 	log       *gologme.Logger
 	listener  quic.Listener
-	tlsConfig    *tls.Config
+	utpSocket *utp.Socket
-	quicConfig   *quic.Config
+	incoming  chan net.Conn
-	sessions     sync.Map // string -> *session
-	sessionCount atomic.Uint32
-	sessionFunc  func(address string)
-	coords       sync.Map // string -> yggdrasil.Coords
-	incoming     chan QUICStream
-	NewSession   func(remote gomatrixserverlib.ServerName)
 }
 
-func (n *Node) Dialer(_, address string) (net.Conn, error) {
+func (n *Node) DialerContext(ctx context.Context, _, address string) (net.Conn, error) {
 	tokens := strings.Split(address, ":")
 	raw, err := hex.DecodeString(tokens[0])
 	if err != nil {
 		return nil, fmt.Errorf("hex.DecodeString: %w", err)
 	}
-	converted := convert.Ed25519PublicKeyToCurve25519(ed25519.PublicKey(raw))
+	pk := make(ironwoodtypes.Addr, ed25519.PublicKeySize)
-	convhex := hex.EncodeToString(converted)
+	copy(pk, raw[:])
-	return n.Dial("curve25519", convhex)
+	return n.utpSocket.DialAddrContext(ctx, pk)
 }
 
-func (n *Node) DialerContext(ctx context.Context, network, address string) (net.Conn, error) {
+func Setup(instanceName, storageDirectory, peerURI string) (*Node, error) {
-	return n.Dialer(network, address)
-}
-
-func Setup(instanceName, storageDirectory string) (*Node, error) {
 	n := &Node{
-		core:      &yggdrasil.Core{},
+		core:      &yggdrasilcore.Core{},
-		config:    yggdrasilconfig.GenerateConfig(),
+		config:    yggdrasildefaults.GenerateConfig(),
 		multicast: &yggdrasilmulticast.Multicast{},
 		log:       gologme.New(os.Stdout, "YGG ", log.Flags()),
-		incoming:  make(chan QUICStream),
+		incoming:  make(chan net.Conn),
 	}
 
 	yggfile := fmt.Sprintf("%s/%s-yggdrasil.conf", storageDirectory, instanceName)
@@ -93,24 +80,11 @@ func Setup(instanceName, storageDirectory string) (*Node, error) {
 		}
 	}
 
-	n.core.SetCoordChangeCallback(func(old, new yggdrasil.Coords) {
-		fmt.Println("COORDINATE CHANGE!")
-		fmt.Println("Old:", old)
-		fmt.Println("New:", new)
-		n.sessions.Range(func(k, v interface{}) bool {
-			if s, ok := v.(*session); ok {
-				fmt.Println("Killing session", k)
-				s.kill()
-			}
-			return true
-		})
-	})
-
 	n.config.Peers = []string{}
+	if peerURI != "" {
+		n.config.Peers = append(n.config.Peers, peerURI)
+	}
 	n.config.AdminListen = "none"
-	n.config.MulticastInterfaces = []string{}
-	n.config.EncryptionPrivateKey = hex.EncodeToString(n.EncryptionPrivateKey())
-	n.config.EncryptionPublicKey = hex.EncodeToString(n.EncryptionPublicKey())
 
 	j, err := json.MarshalIndent(n.config, "", "  ")
 	if err != nil {
@@ -123,34 +97,22 @@ func Setup(instanceName, storageDirectory string) (*Node, error) {
 	n.log.EnableLevel("error")
 	n.log.EnableLevel("warn")
 	n.log.EnableLevel("info")
-	n.state, err = n.core.Start(n.config, n.log)
+	if err = n.core.Start(n.config, n.log); err != nil {
+		panic(err)
+	}
+	n.utpSocket, err = utp.NewSocketFromPacketConnNoClose(n.core)
 	if err != nil {
 		panic(err)
 	}
-	if err = n.multicast.Init(n.core, n.state, n.log, nil); err != nil {
+	if err = n.multicast.Init(n.core, n.config, n.log, nil); err != nil {
 		panic(err)
 	}
 	if err = n.multicast.Start(); err != nil {
 		panic(err)
 	}
 
-	n.tlsConfig = n.generateTLSConfig()
+	n.log.Println("Public key:", n.core.PublicKey())
-	n.quicConfig = &quic.Config{
+	go n.listenFromYgg()
-		MaxIncomingStreams:    0,
-		MaxIncomingUniStreams: 0,
-		KeepAlive:             true,
-		MaxIdleTimeout:        time.Minute * 30,
-		HandshakeTimeout:      time.Second * 15,
-	}
-	copy(n.quicConfig.StatelessResetKey, n.EncryptionPublicKey())
-
-	n.log.Println("Public curve25519:", n.core.EncryptionPublicKey())
-	n.log.Println("Public ed25519:", n.core.SigningPublicKey())
-
-	go func() {
-		time.Sleep(time.Second)
-		n.listenFromYgg()
-	}()
 
 	return n, nil
 }
@@ -163,64 +125,33 @@ func (n *Node) Stop() {
 }
 
 func (n *Node) DerivedServerName() string {
-	return hex.EncodeToString(n.SigningPublicKey())
+	return hex.EncodeToString(n.PublicKey())
 }
 
-func (n *Node) DerivedSessionName() string {
+func (n *Node) PrivateKey() ed25519.PrivateKey {
-	return hex.EncodeToString(n.EncryptionPublicKey())
+	sk := make(ed25519.PrivateKey, ed25519.PrivateKeySize)
+	sb, err := hex.DecodeString(n.config.PrivateKey)
+	if err == nil {
+		copy(sk, sb[:])
+	} else {
+		panic(err)
+	}
+	return sk
 }
 
-func (n *Node) EncryptionPublicKey() []byte {
+func (n *Node) PublicKey() ed25519.PublicKey {
-	edkey := n.SigningPublicKey()
+	return n.core.PublicKey()
-	return convert.Ed25519PublicKeyToCurve25519(edkey)
-}
-
-func (n *Node) EncryptionPrivateKey() []byte {
-	edkey := n.SigningPrivateKey()
-	return convert.Ed25519PrivateKeyToCurve25519(edkey)
-}
-
-func (n *Node) SigningPublicKey() ed25519.PublicKey {
-	pubBytes, _ := hex.DecodeString(n.config.SigningPublicKey)
-	return ed25519.PublicKey(pubBytes)
-}
-
-func (n *Node) SigningPrivateKey() ed25519.PrivateKey {
-	privBytes, _ := hex.DecodeString(n.config.SigningPrivateKey)
-	return ed25519.PrivateKey(privBytes)
-}
-
-func (n *Node) SetSessionFunc(f func(address string)) {
-	n.sessionFunc = f
 }
 
 func (n *Node) PeerCount() int {
-	return len(n.core.GetPeers()) - 1
+	return len(n.core.GetPeers())
-}
-
-func (n *Node) SessionCount() int {
-	return int(n.sessionCount.Load())
 }
 
 func (n *Node) KnownNodes() []gomatrixserverlib.ServerName {
-	nodemap := map[string]struct{}{
+	nodemap := map[string]struct{}{}
-		//"b5ae50589e50991dd9dd7d59c5c5f7a4521e8da5b603b7f57076272abc58b374": {},
+	for _, peer := range n.core.GetPeers() {
+		nodemap[hex.EncodeToString(peer.Key)] = struct{}{}
 	}
-	for _, peer := range n.core.GetSwitchPeers() {
-		nodemap[hex.EncodeToString(peer.SigPublicKey[:])] = struct{}{}
-	}
-	n.sessions.Range(func(_, v interface{}) bool {
-		session, ok := v.(quic.Session)
-		if !ok {
-			return true
-		}
-		if len(session.ConnectionState().PeerCertificates) != 1 {
-			return true
-		}
-		subjectName := session.ConnectionState().PeerCertificates[0].Subject.CommonName
-		nodemap[subjectName] = struct{}{}
-		return true
-	})
 	var nodes []gomatrixserverlib.ServerName
 	for node := range nodemap {
 		nodes = append(nodes, gomatrixserverlib.ServerName(node))
@@ -229,53 +160,22 @@ func (n *Node) KnownNodes() []gomatrixserverlib.ServerName {
 }
 
 func (n *Node) SetMulticastEnabled(enabled bool) {
-	if enabled {
+	// TODO: There's no dynamic reconfiguration in Yggdrasil v0.4
-		n.config.MulticastInterfaces = []string{".*"}
+	// so we need a solution for this.
-	} else {
-		n.config.MulticastInterfaces = []string{}
-	}
-	n.multicast.UpdateConfig(n.config)
-	if !enabled {
-		n.DisconnectMulticastPeers()
-	}
 }
 
 func (n *Node) DisconnectMulticastPeers() {
-	for _, sp := range n.core.GetSwitchPeers() {
+	// TODO: There's no dynamic reconfiguration in Yggdrasil v0.4
-		if !strings.HasPrefix(sp.Endpoint, "fe80") {
+	// so we need a solution for this.
-			continue
-		}
-		if err := n.core.DisconnectPeer(sp.Port); err != nil {
-			n.log.Printf("Failed to disconnect port %d: %s", sp.Port, err)
-		}
-	}
 }
 
 func (n *Node) DisconnectNonMulticastPeers() {
-	for _, sp := range n.core.GetSwitchPeers() {
+	// TODO: There's no dynamic reconfiguration in Yggdrasil v0.4
-		if strings.HasPrefix(sp.Endpoint, "fe80") {
+	// so we need a solution for this.
-			continue
-		}
-		if err := n.core.DisconnectPeer(sp.Port); err != nil {
-			n.log.Printf("Failed to disconnect port %d: %s", sp.Port, err)
-		}
-	}
 }
 
 func (n *Node) SetStaticPeer(uri string) error {
-	n.config.Peers = []string{}
+	// TODO: There's no dynamic reconfiguration in Yggdrasil v0.4
-	n.core.UpdateConfig(n.config)
+	// so we need a solution for this.
-	n.DisconnectNonMulticastPeers()
-	if uri != "" {
-		n.log.Infoln("Adding static peer", uri)
-		if err := n.core.AddPeer(uri, ""); err != nil {
-			n.log.Warnln("Adding static peer failed:", err)
-			return err
-		}
-		if err := n.core.CallPeer(uri, ""); err != nil {
-			n.log.Warnln("Calling static peer failed:", err)
-			return err
-		}
-	}
 	return nil
 }

cmd/dendrite-demo-yggdrasil/yggconn/session.go

@@ -16,94 +16,17 @@ package yggconn
 
 import (
 	"context"
-	"crypto/rand"
-	"crypto/rsa"
-	"crypto/tls"
-	"crypto/x509"
-	"crypto/x509/pkix"
-	"encoding/hex"
-	"encoding/pem"
-	"errors"
-	"fmt"
-	"math/big"
 	"net"
-	"time"
-
-	"github.com/lucas-clemente/quic-go"
-	"github.com/yggdrasil-network/yggdrasil-go/src/crypto"
-	"github.com/yggdrasil-network/yggdrasil-go/src/yggdrasil"
 )
 
-type session struct {
-	node    *Node
-	session quic.Session
-	address string
-	context context.Context
-	cancel  context.CancelFunc
-}
-
-func (n *Node) newSession(sess quic.Session, address string) *session {
-	ctx, cancel := context.WithCancel(context.TODO())
-	return &session{
-		node:    n,
-		session: sess,
-		address: address,
-		context: ctx,
-		cancel:  cancel,
-	}
-}
-
-func (s *session) kill() {
-	s.cancel()
-}
-
 func (n *Node) listenFromYgg() {
-	var err error
-	n.listener, err = quic.Listen(
-		n.core,       // yggdrasil.PacketConn
-		n.tlsConfig,  // TLS config
-		n.quicConfig, // QUIC config
-	)
-	if err != nil {
-		panic(err)
-	}
-
 	for {
-		n.log.Infoln("Waiting to accept QUIC sessions")
+		conn, err := n.utpSocket.Accept()
-		session, err := n.listener.Accept(context.TODO())
 		if err != nil {
-			n.log.Println("n.listener.Accept:", err)
+			n.log.Println("n.utpSocket.Accept:", err)
 			return
 		}
-		if len(session.ConnectionState().PeerCertificates) != 1 {
+		n.incoming <- conn
-			_ = session.CloseWithError(0, "expected a peer certificate")
-			continue
-		}
-		address := session.ConnectionState().PeerCertificates[0].DNSNames[0]
-		n.log.Infoln("Accepted connection from", address)
-		go n.newSession(session, address).listenFromQUIC()
-		go n.sessionFunc(address)
-	}
-}
-
-func (s *session) listenFromQUIC() {
-	if existing, ok := s.node.sessions.Load(s.address); ok {
-		if existingSession, ok := existing.(*session); ok {
-			fmt.Println("Killing existing session to replace", s.address)
-			existingSession.kill()
-		}
-	}
-	s.node.sessionCount.Inc()
-	s.node.sessions.Store(s.address, s)
-	defer s.node.sessions.Delete(s.address)
-	defer s.node.sessionCount.Dec()
-	for {
-		st, err := s.session.AcceptStream(s.context)
-		if err != nil {
-			s.node.log.Println("session.AcceptStream:", err)
-			return
-		}
-		s.node.incoming <- QUICStream{st, s.session}
 	}
 }
 
@@ -129,155 +52,5 @@ func (n *Node) Dial(network, address string) (net.Conn, error) {
 
 // Implements http.Transport.DialContext
 func (n *Node) DialContext(ctx context.Context, network, address string) (net.Conn, error) {
-	s, ok1 := n.sessions.Load(address)
+	return n.utpSocket.DialContext(ctx, network, address)
-	session, ok2 := s.(*session)
-	if !ok1 || !ok2 {
-		// First of all, check if we think we know the coords of this
-		// node. If we do then we'll try to dial to it directly. This
-		// will either succeed or fail.
-		if v, ok := n.coords.Load(address); ok {
-			coords, ok := v.(yggdrasil.Coords)
-			if !ok {
-				n.coords.Delete(address)
-				return nil, errors.New("should have found yggdrasil.Coords but didn't")
-			}
-			n.log.Infof("Coords %s for %q cached, trying to dial", coords.String(), address)
-			var err error
-			// We think we know the coords. Try to dial the node.
-			if session, err = n.tryDial(address, coords); err != nil {
-				// We thought we knew the coords but it didn't result
-				// in a successful dial. Nuke them from the cache.
-				n.coords.Delete(address)
-				n.log.Infof("Cached coords %s for %q failed", coords.String(), address)
-			}
-		}
-
-		// We either don't know the coords for the node, or we failed
-		// to dial it before, in which case try to resolve the coords.
-		if _, ok := n.coords.Load(address); !ok {
-			var coords yggdrasil.Coords
-			var err error
-
-			// First look and see if the node is something that we already
-			// know about from our direct switch peers.
-			for _, peer := range n.core.GetSwitchPeers() {
-				if peer.PublicKey.String() == address {
-					coords = peer.Coords
-					n.log.Infof("%q is a direct peer, coords are %s", address, coords.String())
-					n.coords.Store(address, coords)
-					break
-				}
-			}
-
-			// If it isn' a node that we know directly then try to search
-			// the network.
-			if coords == nil {
-				n.log.Infof("Searching for coords for %q", address)
-				dest, derr := hex.DecodeString(address)
-				if derr != nil {
-					return nil, derr
-				}
-				if len(dest) != crypto.BoxPubKeyLen {
-					return nil, errors.New("invalid key length supplied")
-				}
-				var pubKey crypto.BoxPubKey
-				copy(pubKey[:], dest)
-				nodeID := crypto.GetNodeID(&pubKey)
-				nodeMask := &crypto.NodeID{}
-				for i := range nodeMask {
-					nodeMask[i] = 0xFF
-				}
-
-				fmt.Println("Resolving coords")
-				coords, err = n.core.Resolve(nodeID, nodeMask)
-				if err != nil {
-					return nil, fmt.Errorf("n.core.Resolve: %w", err)
-				}
-				fmt.Println("Found coords:", coords)
-				n.coords.Store(address, coords)
-			}
-
-			// We now know the coords in theory. Let's try dialling the
-			// node again.
-			if session, err = n.tryDial(address, coords); err != nil {
-				return nil, fmt.Errorf("n.tryDial: %w", err)
-			}
-		}
-	}
-
-	if session == nil {
-		return nil, fmt.Errorf("should have found session but didn't")
-	}
-
-	st, err := session.session.OpenStream()
-	if err != nil {
-		n.log.Println("session.OpenStream:", err)
-		_ = session.session.CloseWithError(0, "expected to be able to open session")
-		return nil, err
-	}
-	return QUICStream{st, session.session}, nil
-}
-
-func (n *Node) tryDial(address string, coords yggdrasil.Coords) (*session, error) {
-	quicSession, err := quic.Dial(
-		n.core,       // yggdrasil.PacketConn
-		coords,       // dial address
-		address,      // dial SNI
-		n.tlsConfig,  // TLS config
-		n.quicConfig, // QUIC config
-	)
-	if err != nil {
-		return nil, err
-	}
-	if len(quicSession.ConnectionState().PeerCertificates) != 1 {
-		_ = quicSession.CloseWithError(0, "expected a peer certificate")
-		return nil, errors.New("didn't receive a peer certificate")
-	}
-	if len(quicSession.ConnectionState().PeerCertificates[0].DNSNames) != 1 {
-		_ = quicSession.CloseWithError(0, "expected a DNS name")
-		return nil, errors.New("didn't receive a DNS name")
-	}
-	if gotAddress := quicSession.ConnectionState().PeerCertificates[0].DNSNames[0]; address != gotAddress {
-		_ = quicSession.CloseWithError(0, "you aren't the host I was hoping for")
-		return nil, fmt.Errorf("expected %q but dialled %q", address, gotAddress)
-	}
-	session := n.newSession(quicSession, address)
-	go session.listenFromQUIC()
-	go n.sessionFunc(address)
-	return session, nil
-}
-
-func (n *Node) generateTLSConfig() *tls.Config {
-	key, err := rsa.GenerateKey(rand.Reader, 1024)
-	if err != nil {
-		panic(err)
-	}
-	template := x509.Certificate{
-		Subject: pkix.Name{
-			CommonName: n.DerivedServerName(),
-		},
-		SerialNumber: big.NewInt(1),
-		NotAfter:     time.Now().Add(time.Hour * 24 * 365),
-		DNSNames:     []string{n.DerivedSessionName()},
-	}
-	certDER, err := x509.CreateCertificate(rand.Reader, &template, &template, &key.PublicKey, key)
-	if err != nil {
-		panic(err)
-	}
-	keyPEM := pem.EncodeToMemory(&pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(key)})
-	certPEM := pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: certDER})
-
-	tlsCert, err := tls.X509KeyPair(certPEM, keyPEM)
-	if err != nil {
-		panic(err)
-	}
-	return &tls.Config{
-		Certificates:       []tls.Certificate{tlsCert},
-		NextProtos:         []string{"quic-matrix-ygg"},
-		InsecureSkipVerify: true,
-		ClientAuth:         tls.RequireAnyClientCert,
-		GetClientCertificate: func(info *tls.CertificateRequestInfo) (*tls.Certificate, error) {
-			return &tlsCert, nil
-		},
-	}
 }

cmd/dendrite-demo-yggdrasil/yggconn/stream.go

@@ -1,20 +0,0 @@
-package yggconn
-
-import (
-	"net"
-
-	"github.com/lucas-clemente/quic-go"
-)
-
-type QUICStream struct {
-	quic.Stream
-	session quic.Session
-}
-
-func (s QUICStream) LocalAddr() net.Addr {
-	return s.session.LocalAddr()
-}
-
-func (s QUICStream) RemoteAddr() net.Addr {
-	return s.session.RemoteAddr()
-}

go.mod

@@ -1,6 +1,7 @@
 module github.com/matrix-org/dendrite
 
 require (
+	github.com/Arceliar/ironwood v0.0.0-20210619124114-6ad55cae5031 // indirect
 	github.com/DATA-DOG/go-sqlmock v1.5.0
 	github.com/HdrHistogram/hdrhistogram-go v1.0.1 // indirect
 	github.com/Masterminds/semver/v3 v3.1.1
@@ -36,6 +37,7 @@ require (
 	github.com/matrix-org/util v0.0.0-20200807132607-55161520e1d4
 	github.com/mattn/go-sqlite3 v1.14.7-0.20210414154423-1157a4212dcb
 	github.com/morikuni/aec v1.0.0 // indirect
+	github.com/neilalexander/utp v0.1.1-0.20210705212447-691f29ad692b
 	github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646
 	github.com/ngrok/sqlmw v0.0.0-20200129213757-d5c93a81bec6
 	github.com/opentracing/opentracing-go v1.2.0
@@ -49,11 +51,11 @@ require (
 	github.com/tidwall/sjson v1.1.7
 	github.com/uber/jaeger-client-go v2.25.0+incompatible
 	github.com/uber/jaeger-lib v2.4.0+incompatible
-	github.com/yggdrasil-network/yggdrasil-go v0.3.15-0.20210218094457-e77ca8019daa
+	github.com/yggdrasil-network/yggdrasil-go v0.4.1-0.20210715083903-52309d094c00
 	go.uber.org/atomic v1.7.0
 	golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97
 	golang.org/x/mobile v0.0.0-20210220033013-bdb1ca9a1e08
-	golang.org/x/net v0.0.0-20210226172049-e18ecbb05110
+	golang.org/x/net v0.0.0-20210610132358-84b48f89b13b
 	golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c // indirect
 	golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1
 	gopkg.in/h2non/bimg.v1 v1.1.5

go.sum

@@ -31,8 +31,10 @@ dmitri.shuralyov.com/state v0.0.0-20180228185332-28bcc343414c/go.mod h1:0PRwlb0D
 git.apache.org/thrift.git v0.0.0-20180902110319-2566ecd5d999/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg=
 github.com/AndreasBriese/bbloom v0.0.0-20180913140656-343706a395b7/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8=
 github.com/AndreasBriese/bbloom v0.0.0-20190306092124-e2d15f34fcf9/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8=
-github.com/Arceliar/phony v0.0.0-20191006174943-d0c68492aca0 h1:p3puK8Sl2xK+2FnnIvY/C0N1aqJo2kbEsdAzU+Tnv48=
+github.com/Arceliar/ironwood v0.0.0-20210619124114-6ad55cae5031 h1:DZVDfYhVdu+0wAiRHoY1olyNkKxIot9UjBnbQFzuUlM=
-github.com/Arceliar/phony v0.0.0-20191006174943-d0c68492aca0/go.mod h1:6Lkn+/zJilRMsKmbmG1RPoamiArC6HS73xbwRyp3UyI=
+github.com/Arceliar/ironwood v0.0.0-20210619124114-6ad55cae5031/go.mod h1:RP72rucOFm5udrnEzTmIWLRVGQiV/fSUAQXJ0RST/nk=
+github.com/Arceliar/phony v0.0.0-20210209235338-dde1a8dca979 h1:WndgpSW13S32VLQ3ugUxx2EnnWmgba1kCqPkd4Gk1yQ=
+github.com/Arceliar/phony v0.0.0-20210209235338-dde1a8dca979/go.mod h1:6Lkn+/zJilRMsKmbmG1RPoamiArC6HS73xbwRyp3UyI=
 github.com/Azure/azure-sdk-for-go v16.2.1+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
 github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 h1:w+iIsaOQNcT7OZ575w+acHgRric5iCyQh+xv+KJ4HB8=
 github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
@@ -95,6 +97,7 @@ github.com/Shopify/sarama v1.28.0/go.mod h1:j/2xTrU39dlzBmsxF1eQ2/DdWrxyBCl6pzz7
 github.com/Shopify/toxiproxy v2.1.4+incompatible h1:TKdv8HiTLgE5wdJuEML90aBgNWsokNbMijUGhmcoBJc=
 github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
 github.com/VividCortex/ewma v1.1.1/go.mod h1:2Tkkvm3sRDVXaiyucHiACn4cqf7DpdyLvmxzcbUokwA=
+github.com/VividCortex/ewma v1.2.0/go.mod h1:nz4BbCtbLyFDeC9SUHbtcT5644juEuWfUAUnGx7j5l4=
 github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
 github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
 github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
@@ -115,7 +118,9 @@ github.com/anacrolix/log v0.3.0/go.mod h1:lWvLTqzAnCWPJA08T2HCstZi0L1y2Wyvm3FJgw
 github.com/anacrolix/missinggo v1.1.2-0.20190815015349-b888af804467/go.mod h1:MBJu3Sk/k3ZfGYcS7z18gwfu72Ey/xopPFJJbTi5yIo=
 github.com/anacrolix/missinggo v1.2.1 h1:0IE3TqX5y5D0IxeMwTyIgqdDew4QrzcXaaEnJQyjHvw=
 github.com/anacrolix/missinggo v1.2.1/go.mod h1:J5cMhif8jPmFoC3+Uvob3OXXNIhOUikzMt+uUjeM21Y=
+github.com/anacrolix/missinggo/perf v1.0.0 h1:7ZOGYziGEBytW49+KmYGTaNfnwUqP1HBsy6BqESAJVw=
 github.com/anacrolix/missinggo/perf v1.0.0/go.mod h1:ljAFWkBuzkO12MQclXzZrosP5urunoLS0Cbvb4V0uMQ=
+github.com/anacrolix/sync v0.2.0 h1:oRe22/ZB+v7v/5Mbc4d2zE0AXEZy0trKyKLjqYOt6tY=
 github.com/anacrolix/sync v0.2.0/go.mod h1:BbecHL6jDSExojhNtgTFSBcdGerzNc64tz3DCOj/I0g=
 github.com/anacrolix/tagflag v0.0.0-20180109131632-2146c8d41bf0/go.mod h1:1m2U/K6ZT+JZG0+bdMK6qauP49QT4wE5pmhJXOKKCHw=
 github.com/anacrolix/utp v0.1.0/go.mod h1:MDwc+vsGEq7RMw6lr2GKOEqjWny5hO5OZXRVNaBJ2Dk=
@@ -181,7 +186,7 @@ github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XL
 github.com/checkpoint-restore/go-criu/v4 v4.1.0/go.mod h1:xUQBLp4RLc5zJtWY++yjOoMoB5lihDt7fai+75m+rGw=
 github.com/cheekybits/genny v1.0.0 h1:uGGa4nei+j20rOSeDeP5Of12XVm7TGUd4dJA9RDitfE=
 github.com/cheekybits/genny v1.0.0/go.mod h1:+tQajlRqAUrPI7DOSpB0XAqZYtQakVtB7wXkRAgjxjQ=
-github.com/cheggaaa/pb/v3 v3.0.4/go.mod h1:7rgWxLrAUcFMkvJuv09+DYi7mMUYi8nO9iOWcvGJPfw=
+github.com/cheggaaa/pb/v3 v3.0.8/go.mod h1:UICbiLec/XO6Hw6k+BHEtHeQFzzBH4i2/qk/ow1EJTA=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
@@ -365,6 +370,8 @@ github.com/etcd-io/bbolt v1.3.3/go.mod h1:ZF2nL25h33cCyBtcyWeZ2/I3HQOfTP+0PIEvHj
 github.com/evanphx/json-patch v4.9.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
 github.com/fasthttp-contrib/websocket v0.0.0-20160511215533-1f3b11f56072/go.mod h1:duJ4Jxv5lDcvg4QuQr0oowTf7dz4/CR8NtyCooz9HL8=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
+github.com/fatih/color v1.10.0/go.mod h1:ELkj/draVOlAH/xkhN6mQ50Qd0MPOk5AAr3maGEBuJM=
+github.com/fatih/color v1.12.0/go.mod h1:ELkj/draVOlAH/xkhN6mQ50Qd0MPOk5AAr3maGEBuJM=
 github.com/fatih/structs v1.1.0/go.mod h1:9NiDSp5zOcgEDl+j00MP/WkGVPOlPRLejGD8Ga6PJ7M=
 github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568/go.mod h1:xEzjJPgXI435gkrCt3MPfRiAkVrwSbHsst4LCFVfpJc=
 github.com/flynn/noise v0.0.0-20180327030543-2492fe189ae6 h1:u/UEqS66A5ckRmS4yNpjmVH56sVtS/RfclBAYocb4as=
@@ -449,7 +456,6 @@ github.com/gogo/protobuf v1.2.0/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7a
 github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
 github.com/gogo/protobuf v1.2.2-0.20190723190241-65acae22fc9d/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
 github.com/gogo/protobuf v1.3.0/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
-github.com/gogo/protobuf v1.3.1 h1:DqDEcV5aeaTmdFBePNpYsp3FlcVH/2ISVVM9Qf8PSls=
 github.com/gogo/protobuf v1.3.1/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
 github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
 github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
@@ -457,7 +463,6 @@ github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfU
 github.com/golang/groupcache v0.0.0-20160516000752-02826c3e7903/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
-github.com/golang/groupcache v0.0.0-20191027212112-611e8accdfc9 h1:uHTyIjqVhYRhLbJ8nIiOJHkEZZ+5YoOsAbD3sk82NiE=
 github.com/golang/groupcache v0.0.0-20191027212112-611e8accdfc9/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e h1:1r7pUrabqp18hOBcwBwiTsbnFeTZHV9eER/QT5JVZxY=
@@ -490,7 +495,6 @@ github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8l
 github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/golang/snappy v0.0.2 h1:aeE13tS0IiQgFjYdoL8qN3K1N2bXXtI6Vi51/y7BpMw=
 github.com/golang/snappy v0.0.2/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
-github.com/gologme/log v0.0.0-20181207131047-4e5d8ccb38e8/go.mod h1:gq31gQ8wEHkR+WekdWsqDuf8pXTUZA9BnnzTuPz1Y9U=
 github.com/gologme/log v1.2.0 h1:Ya5Ip/KD6FX7uH0S31QO87nCCSucKtF44TLbTtO7V4c=
 github.com/gologme/log v1.2.0/go.mod h1:gq31gQ8wEHkR+WekdWsqDuf8pXTUZA9BnnzTuPz1Y9U=
 github.com/gomodule/redigo v1.7.1-0.20190724094224-574c33c3df38/go.mod h1:B4C85qUVwatsJoIUNIfCRsp7qO0iAmpGFZ4EELWSbC4=
@@ -523,7 +527,6 @@ github.com/google/pprof v0.0.0-20200229191704-1ebb73c60ed3/go.mod h1:ZgVRPoUq/hf
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
 github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/google/uuid v1.1.2 h1:EVhdT+1Kseyi1/pUmXKaFxYsDNy9RQYkMWRH68J/W7Y=
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.2.0 h1:qJYtXnJRWmpe7m/3XlyhrsLrEURqHRM2kxzoxXqyUDs=
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@@ -593,7 +596,7 @@ github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO
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@@ -736,7 +739,7 @@ github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7V
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@@ -752,7 +755,6 @@ github.com/klauspost/compress v1.9.7/go.mod h1:RyIbtBH6LamlWaDj8nUwkbUhJ87Yi3uG0
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@@ -1183,6 +1187,8 @@ github.com/neelance/astrewrite v0.0.0-20160511093645-99348263ae86/go.mod h1:kHJE
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@@ -1504,8 +1508,8 @@ github.com/xeipuuv/gojsonschema v1.2.0/go.mod h1:anYRn/JVcOK2ZgGU+IjEV4nwlhoK5sQ
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@@ -1583,10 +1587,11 @@ golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a/go.mod h1:LzIPMQfyMNhhGPh
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@@ -1609,7 +1614,6 @@ golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTk
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@@ -1675,8 +1679,10 @@ golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwY
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@@ -1691,7 +1697,6 @@ golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJ
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@@ -1737,12 +1742,10 @@ golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -1760,6 +1763,7 @@ golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -1776,12 +1780,13 @@ golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -1794,8 +1799,10 @@ golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3
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@@ -1839,7 +1846,6 @@ golang.org/x/tools v0.0.0-20191216052735-49a3e744a425/go.mod h1:TB2adYChydJhpapK
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-golang.org/x/tools v0.0.0-20200117012304-6edc0a871e69 h1:yBHHx+XZqXJBm6Exke3N7V9gnlsyXxoCPEb1yVenjfk=
 golang.org/x/tools v0.0.0-20200117012304-6edc0a871e69/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20200117161641-43d50277825c/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20200122220014-bf1340f18c4a/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
@@ -1857,10 +1863,9 @@ golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8T
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.zx2c4.com/wireguard v0.0.0-20210203165646-9c7bd73be2cc/go.mod h1:r0ExowOoGFfDoLDxx+M9SYbNVsoZ0xviLL+K4f2mt+A=
-golang.zx2c4.com/wireguard v0.0.0-20210212170059-7a0fb5bbb172/go.mod h1:r0ExowOoGFfDoLDxx+M9SYbNVsoZ0xviLL+K4f2mt+A=
 golang.zx2c4.com/wireguard v0.0.0-20210510202332-9844c74f67ec/go.mod h1:a057zjmoc00UN7gVkaJt2sXVK523kMJcogDTEvPIasg=
-golang.zx2c4.com/wireguard/windows v0.3.5/go.mod h1:ATrIFNoq3rsK735WJiQzfWYyNFc9xLBhMMjW9DWIvnU=
+golang.zx2c4.com/wireguard v0.0.0-20210604143328-f9b48a961cd2/go.mod h1:laHzsbfMhGSobUmruXWAyMKKHSqvIcrqZJMyHD+/3O8=
+golang.zx2c4.com/wireguard/windows v0.3.14/go.mod h1:3P4IEAsb+BjlKZmpUXgy74c0iX9AVwwr3WcVJ8nPgME=
 google.golang.org/api v0.0.0-20160322025152-9bf6e6e569ff/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
 google.golang.org/api v0.0.0-20180910000450-7ca32eb868bf/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
 google.golang.org/api v0.0.0-20181030000543-1d582fd0359e/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
@@ -1896,7 +1901,6 @@ google.golang.org/genproto v0.0.0-20190502173448-54afdca5d873/go.mod h1:VzzqZJRn
 google.golang.org/genproto v0.0.0-20190522204451-c2c4e71fbf69/go.mod h1:z3L6/3dTEVtUr6QSP8miRzeRqwQOioJ9I66odjN4I7s=
 google.golang.org/genproto v0.0.0-20190530194941-fb225487d101/go.mod h1:z3L6/3dTEVtUr6QSP8miRzeRqwQOioJ9I66odjN4I7s=
 google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
-google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55 h1:gSJIx1SDwno+2ElGhA4+qG2zF97qiUzTM+rQ0klBOcE=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8=
 google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
@@ -1932,7 +1936,6 @@ google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8
 google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.28.1/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
 google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
-google.golang.org/grpc v1.31.1 h1:SfXqXS5hkufcdZ/mHtYCh53P2b+92WQq/DZcKLgsFRs=
 google.golang.org/grpc v1.31.1/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
 google.golang.org/grpc v1.33.2 h1:EQyQC3sa8M+p6Ulc8yy9SWSS2GVwyRc83gAbG8lrl4o=
 google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
@@ -1942,7 +1945,6 @@ google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQ
 google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
 google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
 google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.23.0 h1:4MY060fB1DLGMB/7MBTLnwQUY6+F09GEiz6SsrNqyzM=
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
@@ -2022,7 +2024,6 @@ honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
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-honnef.co/go/tools v0.0.1-2019.2.3 h1:3JgtbtFHMiCmsznwGVTUWbgGov+pVqnlf1dEJTNAXeM=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 honnef.co/go/tools v0.0.1-2020.1.3 h1:sXmLre5bzIR6ypkjXCDI3jHPssRhc8KD/Ome589sc3U=
 honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=