Update dependencies - 2022-04 (#664)

    Updated  github.com/kardianos/service         kardianos/service@v1.2.0...v1.2.1
    Updated  github.com/miekg/dns                 miekg/dns@v1.1.43...v1.1.48
    Updated  github.com/prometheus/client_golang  prometheus/client_golang@v1.11.0...v1.12.1
    Updated  github.com/prometheus/common         prometheus/common@v0.32.1...v0.33.0
    Updated  github.com/stretchr/testify          stretchr/testify@v1.7.0...v1.7.1
    Updated  golang.org/x/crypto                  golang/crypto@5770296...ae2d966
    Updated  golang.org/x/net                     golang/net@69e39ba...749bd19
    Updated  golang.org/x/sys                     golang/sys@7861aae...289d7a0
    Updated  golang.zx2c4.com/wireguard/windows   v0.5.1...v0.5.3
    Updated  google.golang.org/protobuf           v1.27.1...v1.28.0

cert/cert.go

@@ -13,9 +13,9 @@ import (
 	"net"
 	"time"
 
-	"github.com/golang/protobuf/proto"
 	"golang.org/x/crypto/curve25519"
 	"golang.org/x/crypto/ed25519"
+	"google.golang.org/protobuf/proto"
 )
 
 const publicKeyLen = 32

cert/cert_test.go

@@ -8,11 +8,11 @@ import (
 	"testing"
 	"time"
 
-	"github.com/golang/protobuf/proto"
 	"github.com/slackhq/nebula/test"
 	"github.com/stretchr/testify/assert"
 	"golang.org/x/crypto/curve25519"
 	"golang.org/x/crypto/ed25519"
+	"google.golang.org/protobuf/proto"
 )
 
 func TestMarshalingNebulaCertificate(t *testing.T) {

go.mod

@@ -5,41 +5,44 @@ go 1.18
 require (
 	github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be
 	github.com/armon/go-radix v1.0.0
-	github.com/cespare/xxhash/v2 v2.1.2 // indirect
 	github.com/cyberdelia/go-metrics-graphite v0.0.0-20161219230853-39f87cc3b432
 	github.com/flynn/noise v1.0.0
 	github.com/gogo/protobuf v1.3.2
-	github.com/golang/protobuf v1.5.2
 	github.com/google/gopacket v1.1.19
 	github.com/imdario/mergo v0.3.8
-	github.com/kardianos/service v1.2.0
-	github.com/miekg/dns v1.1.43
+	github.com/kardianos/service v1.2.1
+	github.com/miekg/dns v1.1.48
 	github.com/nbrownus/go-metrics-prometheus v0.0.0-20210712211119-974a6260965f
-	github.com/prometheus/client_golang v1.11.0
-	github.com/prometheus/client_model v0.2.0 // indirect
-	github.com/prometheus/procfs v0.7.3 // indirect
+	github.com/prometheus/client_golang v1.12.1
 	github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475
 	github.com/sirupsen/logrus v1.8.1
 	github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e
 	github.com/songgao/water v0.0.0-20200317203138-2b4b6d7c09d8
-	github.com/stretchr/testify v1.7.0
+	github.com/stretchr/testify v1.7.1
 	github.com/vishvananda/netlink v1.1.0
-	github.com/vishvananda/netns v0.0.0-20211101163701-50045581ed74 // indirect
-	golang.org/x/crypto v0.0.0-20211202192323-5770296d904e
-	golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2
-	golang.org/x/sys v0.0.0-20211103235746-7861aae1554b
+	golang.org/x/crypto v0.0.0-20220331220935-ae2d96664a29
+	golang.org/x/net v0.0.0-20220403103023-749bd193bc2b
+	golang.org/x/sys v0.0.0-20220406155245-289d7a0edf71
 	golang.zx2c4.com/wintun v0.0.0-20211104114900-415007cec224
-	golang.zx2c4.com/wireguard/windows v0.5.1
-	google.golang.org/protobuf v1.27.1
+	golang.zx2c4.com/wireguard/windows v0.5.3
+	google.golang.org/protobuf v1.28.0
 	gopkg.in/yaml.v2 v2.4.0
 )
 
 require (
 	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.1.2 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/prometheus/common v0.32.1 // indirect
+	github.com/prometheus/client_model v0.2.0 // indirect
+	github.com/prometheus/common v0.33.0 // indirect
+	github.com/prometheus/procfs v0.7.3 // indirect
+	github.com/vishvananda/netns v0.0.0-20211101163701-50045581ed74 // indirect
+	golang.org/x/mod v0.6.0-dev.0.20220106191415-9b9b3d81d5e3 // indirect
 	golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 // indirect
-	gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c // indirect
+	golang.org/x/tools v0.1.10 // indirect
+	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
+	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 )

handshake_ix.go

@@ -5,7 +5,6 @@ import (
 	"time"
 
 	"github.com/flynn/noise"
-	"github.com/golang/protobuf/proto"
 	"github.com/slackhq/nebula/header"
 	"github.com/slackhq/nebula/iputil"
 	"github.com/slackhq/nebula/udp"
@@ -43,7 +42,7 @@ func ixHandshakeStage0(f *Interface, vpnIp iputil.VpnIp, hostinfo *HostInfo) {
 	hs := &NebulaHandshake{
 		Details: hsProto,
 	}
-	hsBytes, err = proto.Marshal(hs)
+	hsBytes, err = hs.Marshal()
 
 	if err != nil {
 		f.l.WithError(err).WithField("vpnIp", vpnIp).
@@ -83,7 +82,7 @@ func ixHandshakeStage1(f *Interface, addr *udp.Addr, packet []byte, h *header.H)
 	}
 
 	hs := &NebulaHandshake{}
-	err = proto.Unmarshal(msg, hs)
+	err = hs.Unmarshal(msg)
 	/*
 		l.Debugln("GOT INDEX: ", hs.Details.InitiatorIndex)
 	*/
@@ -154,7 +153,7 @@ func ixHandshakeStage1(f *Interface, addr *udp.Addr, packet []byte, h *header.H)
 	// Update the time in case their clock is way off from ours
 	hs.Details.Time = uint64(time.Now().UnixNano())
 
-	hsBytes, err := proto.Marshal(hs)
+	hsBytes, err := hs.Marshal()
 	if err != nil {
 		f.l.WithError(err).WithField("vpnIp", hostinfo.vpnIp).WithField("udpAddr", addr).
 			WithField("certName", certName).
@@ -364,7 +363,7 @@ func ixHandshakeStage2(f *Interface, addr *udp.Addr, hostinfo *HostInfo, packet
 	}
 
 	hs := &NebulaHandshake{}
-	err = proto.Unmarshal(msg, hs)
+	err = hs.Unmarshal(msg)
 	if err != nil || hs.Details == nil {
 		f.l.WithError(err).WithField("vpnIp", hostinfo.vpnIp).WithField("udpAddr", addr).
 			WithField("handshake", m{"stage": 2, "style": "ix_psk0"}).Error("Failed unmarshal handshake message")

iputil/util.go

@@ -4,6 +4,7 @@ import (
 	"encoding/binary"
 	"fmt"
 	"net"
+	"net/netip"
 )
 
 type VpnIp uint32
@@ -39,13 +40,39 @@ func (ip VpnIp) ToIP() net.IP {
 	return nip
 }
 
+func (ip VpnIp) ToNetIpAddr() netip.Addr {
+	var nip [4]byte
+	binary.BigEndian.PutUint32(nip[:], uint32(ip))
+	return netip.AddrFrom4(nip)
+}
+
 func Ip2VpnIp(ip []byte) VpnIp {
 	if len(ip) == 16 {
 		return VpnIp(binary.BigEndian.Uint32(ip[12:16]))
 	}
 	return VpnIp(binary.BigEndian.Uint32(ip))
 }
 
+func ToNetIpAddr(ip net.IP) (netip.Addr, error) {
+	addr, ok := netip.AddrFromSlice(ip)
+	if !ok {
+		return netip.Addr{}, fmt.Errorf("invalid net.IP: %v", ip)
+	}
+	return addr, nil
+}
+
+func ToNetIpPrefix(ipNet net.IPNet) (netip.Prefix, error) {
+	addr, err := ToNetIpAddr(ipNet.IP)
+	if err != nil {
+		return netip.Prefix{}, err
+	}
+	ones, bits := ipNet.Mask.Size()
+	if ones == 0 && bits == 0 {
+		return netip.Prefix{}, fmt.Errorf("invalid net.IP: %v", ipNet)
+	}
+	return netip.PrefixFrom(addr, ones), nil
+}
+
 // ubtoa encodes the string form of the integer v to dst[start:] and
 // returns the number of bytes written to dst. The caller must ensure
 // that dst has sufficient length.

lighthouse.go

@@ -11,7 +11,6 @@ import (
 	"time"
 	"unsafe"
 
-	"github.com/golang/protobuf/proto"
 	"github.com/rcrowley/go-metrics"
 	"github.com/sirupsen/logrus"
 	"github.com/slackhq/nebula/config"
@@ -356,7 +355,7 @@ func (lh *LightHouse) QueryServer(ip iputil.VpnIp, f udp.EncWriter) {
 	}
 
 	// Send a query to the lighthouses and hope for the best next time
-	query, err := proto.Marshal(NewLhQueryByInt(ip))
+	query, err := NewLhQueryByInt(ip).Marshal()
 	if err != nil {
 		lh.l.WithError(err).WithField("vpnIp", ip).Error("Failed to marshal lighthouse query payload")
 		return
@@ -612,7 +611,7 @@ func (lh *LightHouse) SendUpdate(f udp.EncWriter) {
 	nb := make([]byte, 12, 12)
 	out := make([]byte, mtu)
 
-	mm, err := proto.Marshal(m)
+	mm, err := m.Marshal()
 	if err != nil {
 		lh.l.WithError(err).Error("Error while marshaling for lighthouse update")
 		return

lighthouse_test.go

@@ -5,7 +5,6 @@ import (
 	"net"
 	"testing"
 
-	"github.com/golang/protobuf/proto"
 	"github.com/slackhq/nebula/config"
 	"github.com/slackhq/nebula/header"
 	"github.com/slackhq/nebula/iputil"
@@ -20,7 +19,7 @@ func TestOldIPv4Only(t *testing.T) {
 	// This test ensures our new ipv6 enabled LH protobuf IpAndPorts works with the old style to enable backwards compatibility
 	b := []byte{8, 129, 130, 132, 80, 16, 10}
 	var m Ip4AndPort
-	err := proto.Unmarshal(b, &m)
+	err := m.Unmarshal(b)
 	assert.NoError(t, err)
 	assert.Equal(t, "10.1.1.1", iputil.VpnIp(m.GetIp()).String())
 }
@@ -36,12 +35,12 @@ func TestNewLhQuery(t *testing.T) {
 	assert.IsType(t, &NebulaMeta{}, a)
 
 	// It should also Marshal fine
-	b, err := proto.Marshal(a)
+	b, err := a.Marshal()
 	assert.Nil(t, err)
 
 	// and then Unmarshal fine
 	n := &NebulaMeta{}
-	err = proto.Unmarshal(b, n)
+	err = n.Unmarshal(b)
 	assert.Nil(t, err)
 
 }
@@ -112,7 +111,7 @@ func BenchmarkLighthouseHandleRequest(b *testing.B) {
 				Ip4AndPorts: nil,
 			},
 		}
-		p, err := proto.Marshal(req)
+		p, err := req.Marshal()
 		assert.NoError(b, err)
 		for n := 0; n < b.N; n++ {
 			lhh.HandleRequest(rAddr, 2, p, mw)
@@ -127,7 +126,7 @@ func BenchmarkLighthouseHandleRequest(b *testing.B) {
 				Ip4AndPorts: nil,
 			},
 		}
-		p, err := proto.Marshal(req)
+		p, err := req.Marshal()
 		assert.NoError(b, err)
 
 		for n := 0; n < b.N; n++ {
@@ -375,7 +374,7 @@ type testEncWriter struct {
 
 func (tw *testEncWriter) SendMessageToVpnIp(t header.MessageType, st header.MessageSubType, vpnIp iputil.VpnIp, p, _, _ []byte) {
 	msg := &NebulaMeta{}
-	err := proto.Unmarshal(p, msg)
+	err := msg.Unmarshal(p)
 	if tw.metaFilter == nil || msg.Type == *tw.metaFilter {
 		tw.lastReply = testLhReply{
 			nebType:    t,

metadata.go

@@ -3,7 +3,7 @@ package nebula
 /*
 
 import (
-	proto "github.com/golang/protobuf/proto"
+	proto "google.golang.org/protobuf/proto"
 )
 
 func HandleMetaProto(p []byte) {

outside.go

@@ -7,14 +7,14 @@ import (
 	"time"
 
 	"github.com/flynn/noise"
-	"github.com/golang/protobuf/proto"
 	"github.com/sirupsen/logrus"
 	"github.com/slackhq/nebula/cert"
 	"github.com/slackhq/nebula/firewall"
 	"github.com/slackhq/nebula/header"
 	"github.com/slackhq/nebula/iputil"
 	"github.com/slackhq/nebula/udp"
 	"golang.org/x/net/ipv4"
+	"google.golang.org/protobuf/proto"
 )
 
 const (

overlay/tun_wintun_windows.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"io"
 	"net"
+	"net/netip"
 	"unsafe"
 
 	"github.com/sirupsen/logrus"
@@ -20,6 +21,7 @@ const tunGUIDLabel = "Fixed Nebula Windows GUID v1"
 type winTun struct {
 	Device    string
 	cidr      *net.IPNet
+	prefix    netip.Prefix
 	MTU       int
 	Routes    []Route
 	routeTree *cidr.Tree4
@@ -62,9 +64,15 @@ func newWinTun(l *logrus.Logger, deviceName string, cidr *net.IPNet, defaultMTU
 		return nil, err
 	}
 
+	prefix, err := iputil.ToNetIpPrefix(*cidr)
+	if err != nil {
+		return nil, err
+	}
+
 	return &winTun{
 		Device:    deviceName,
 		cidr:      cidr,
+		prefix:    prefix,
 		MTU:       defaultMTU,
 		Routes:    routes,
 		routeTree: routeTree,
@@ -76,7 +84,7 @@ func newWinTun(l *logrus.Logger, deviceName string, cidr *net.IPNet, defaultMTU
 func (t *winTun) Activate() error {
 	luid := winipcfg.LUID(t.tun.LUID())
 
-	if err := luid.SetIPAddresses([]net.IPNet{*t.cidr}); err != nil {
+	if err := luid.SetIPAddresses([]netip.Prefix{t.prefix}); err != nil {
 		return fmt.Errorf("failed to set address: %w", err)
 	}
 
@@ -95,10 +103,15 @@ func (t *winTun) Activate() error {
 			}
 		}
 
+		prefix, err := iputil.ToNetIpPrefix(*r.Cidr)
+		if err != nil {
+			return err
+		}
+
 		// Add our unsafe route
 		routes = append(routes, &winipcfg.RouteData{
-			Destination: *r.Cidr,
-			NextHop:     r.Via.ToIP(),
+			Destination: prefix,
+			NextHop:     r.Via.ToNetIpAddr(),
 			Metric:      uint32(r.Metric),
 		})
 	}