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Code Issues Packages Projects Releases Wiki Activity

Sync peers FQDN (#584)

Browse Source 
Use stdout and stderr log path only if on Linux and attempt to create the path

Update status system with FQDN fields and 
status command to display the domain names of remote and local peers

Set some DNS logs to tracing

update readme file
This commit is contained in:
Maycon Santos
2022-11-26 13:29:50 +01:00
committed by GitHub
parent fcf7786a85
commit 20a73e3e14
17 changed files with 405 additions and 257 deletions
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21
client/cmd/service_installer.go
View File

@@ -2,6 +2,7 @@ package cmd
import (
"context"
"os"
"path/filepath"
"runtime"
@@ -38,13 +39,29 @@ var installCmd = &cobra.Command{
if logFile != "console" {
svcConfig.Arguments = append(svcConfig.Arguments, "--log-file", logFile)
svcConfig.Option["LogOutput"] = true
svcConfig.Option["LogDirectory"] = filepath.Dir(logFile)
}
if runtime.GOOS == "linux" {
// Respected only by systemd systems
svcConfig.Dependencies = []string{"After=network.target syslog.target"}
if logFile != "console" {
setStdLogPath := true
dir := filepath.Dir(logFile)
_, err := os.Stat(dir)
if err != nil {
err = os.MkdirAll(dir, 0750)
if err != nil {
setStdLogPath = false
}
}
if setStdLogPath {
svcConfig.Option["LogOutput"] = true
svcConfig.Option["LogDirectory"] = dir
}
}
}
ctx, cancel := context.WithCancel(cmd.Context())

7
client/cmd/status.go
View File

@@ -122,6 +122,7 @@ func fromProtoFullStatus(pbFullStatus *proto.FullStatus) nbStatus.FullStatus {
fullStatus.LocalPeerState.IP = localPeerState.GetIP()
fullStatus.LocalPeerState.PubKey = localPeerState.GetPubKey()
fullStatus.LocalPeerState.KernelInterface = localPeerState.GetKernelInterface()
fullStatus.LocalPeerState.FQDN = localPeerState.GetFqdn()
var peersState []nbStatus.PeerState
@@ -136,6 +137,7 @@ func fromProtoFullStatus(pbFullStatus *proto.FullStatus) nbStatus.FullStatus {
Direct: pbPeerState.GetDirect(),
LocalIceCandidateType: pbPeerState.GetLocalIceCandidateType(),
RemoteIceCandidateType: pbPeerState.GetRemoteIceCandidateType(),
FQDN: pbPeerState.GetFqdn(),
}
peersState = append(peersState, peerState)
}
@@ -196,6 +198,7 @@ func parseFullStatus(fullStatus nbStatus.FullStatus, printDetail bool, daemonSta
"%s"+ // daemon status
"Management: %s%s\n"+
"Signal: %s%s\n"+
"Domain: %s\n"+
"NetBird IP: %s\n"+
"Interface type: %s\n"+
"Peers count: %s\n",
@@ -206,6 +209,7 @@ func parseFullStatus(fullStatus nbStatus.FullStatus, printDetail bool, daemonSta
managementStatusURL,
signalConnString,
signalStatusURL,
fullStatus.LocalPeerState.FQDN,
interfaceIP,
interfaceTypeString,
peersCountString,
@@ -266,7 +270,7 @@ func parsePeers(peers []nbStatus.PeerState, printDetail bool) (string, int) {
}
peerString := fmt.Sprintf(
"\n Peer:\n"+
"\n %s:\n"+
" NetBird IP: %s\n"+
" Public key: %s\n"+
" Status: %s\n"+
@@ -275,6 +279,7 @@ func parsePeers(peers []nbStatus.PeerState, printDetail bool) (string, int) {
" Direct: %t\n"+
" ICE candidate (Local/Remote): %s/%s\n"+
" Last connection update: %s\n",
peerState.FQDN,
peerState.IP,
peerState.PubKey,
peerState.ConnStatus,

3
client/internal/connect.go
View File

@@ -109,6 +109,7 @@ func RunClient(ctx context.Context, config *Config, statusRecorder *nbStatus.Sta
IP: loginResp.GetPeerConfig().GetAddress(),
PubKey: myPrivateKey.PublicKey().String(),
KernelInterface: iface.WireguardModuleIsLoaded(),
FQDN: loginResp.GetPeerConfig().GetFqdn(),
}
statusRecorder.UpdateLocalPeerState(localPeerState)
@@ -192,7 +193,7 @@ func createEngineConfig(key wgtypes.Key, config *Config, peerConfig *mgmProto.Pe
WgPrivateKey: key,
WgPort: config.WgPort,
SSHKey: []byte(config.SSHKey),
NATExternalIPs: config.NATExternalIPs,
NATExternalIPs: config.NATExternalIPs,
}
if config.PreSharedKey != "" {

2
client/internal/dns/local.go
View File

@@ -15,7 +15,7 @@ type localResolver struct {
// ServeDNS handles a DNS request
func (d *localResolver) ServeDNS(w dns.ResponseWriter, r *dns.Msg) {
log.Debugf("received question: %#v\n", r.Question[0])
log.Tracef("received question: %#v\n", r.Question[0])
replyMessage := &dns.Msg{}
replyMessage.SetReply(r)
replyMessage.RecursionAvailable = true

2
client/internal/dns/upstream.go
View File

@@ -21,7 +21,7 @@ type upstreamResolver struct {
// ServeDNS handles a DNS request
func (u *upstreamResolver) ServeDNS(w dns.ResponseWriter, r *dns.Msg) {
log.Debugf("received an upstream question: %#v", r.Question[0])
log.Tracef("received an upstream question: %#v", r.Question[0])
select {
case <-u.parentCTX.Done():

49
client/internal/engine.go
View File

@@ -281,9 +281,15 @@ func (e *Engine) modifyPeers(peersUpdate []*mgmProto.RemotePeerConfig) error {
// first, check if peers have been modified
var modified []*mgmProto.RemotePeerConfig
for _, p := range peersUpdate {
if peerConn, ok := e.peerConns[p.GetWgPubKey()]; ok {
peerPubKey := p.GetWgPubKey()
if peerConn, ok := e.peerConns[peerPubKey]; ok {
if peerConn.GetConf().ProxyConfig.AllowedIps != strings.Join(p.AllowedIps, ",") {
modified = append(modified, p)
continue
}
err := e.statusRecorder.UpdatePeerFQDN(peerPubKey, p.GetFqdn())
if err != nil {
log.Warnf("error updating peer's %s fqdn in the status recorder, got error: %v", peerPubKey, err)
}
}
}
@@ -543,6 +549,13 @@ func (e *Engine) updateConfig(conf *mgmProto.PeerConfig) error {
}
}
e.statusRecorder.UpdateLocalPeerState(nbstatus.LocalPeerState{
IP: e.config.WgAddr,
PubKey: e.config.WgPrivateKey.PublicKey().String(),
KernelInterface: iface.WireguardModuleIsLoaded(),
FQDN: conf.GetFqdn(),
})
return nil
}
@@ -766,6 +779,10 @@ func (e *Engine) addNewPeer(peerConfig *mgmProto.RemotePeerConfig) error {
go e.connWorker(conn, peerKey)
}
err := e.statusRecorder.UpdatePeerFQDN(peerKey, peerConfig.Fqdn)
if err != nil {
log.Warnf("error updating peer's %s fqdn in the status recorder, got error: %v", peerKey, err)
}
return nil
}
@@ -842,7 +859,7 @@ func (e Engine) createPeerConn(pubKey string, allowedIPs string) (*peer.Conn, er
UDPMuxSrflx: e.udpMuxSrflx,
ProxyConfig: proxyConfig,
LocalWgPort: e.config.WgPort,
NATExternalIPs: e.parseNATExternalIPMappings(),
NATExternalIPs: e.parseNATExternalIPMappings(),
}
peerConn, err := peer.NewConn(config, e.statusRecorder)
@@ -937,10 +954,10 @@ func (e *Engine) receiveSignalEvents() {
e.signal.WaitStreamConnected()
}
func (e* Engine) parseNATExternalIPMappings() []string {
func (e *Engine) parseNATExternalIPMappings() []string {
var mappedIPs []string
var ignoredIFaces = make(map[string]interface{})
for _, iFace := range(e.config.IFaceBlackList) {
for _, iFace := range e.config.IFaceBlackList {
ignoredIFaces[iFace] = nil
}
for _, mapping := range e.config.NATExternalIPs {
@@ -991,22 +1008,22 @@ func (e* Engine) parseNATExternalIPMappings() []string {
}
func findIPFromInterfaceName(ifaceName string) (net.IP, error) {
iface, err := net.InterfaceByName(ifaceName)
iface, err := net.InterfaceByName(ifaceName)
if err != nil {
return nil, err
}
return findIPFromInterface(iface)
return nil, err
}
return findIPFromInterface(iface)
}
func findIPFromInterface(iface *net.Interface) (net.IP, error) {
ifaceAddrs, err := iface.Addrs()
ifaceAddrs, err := iface.Addrs()
if err != nil {
return nil, err
}
for _, addr := range ifaceAddrs {
if ipv4Addr := addr.(*net.IPNet).IP.To4(); ipv4Addr != nil {
return nil, err
}
for _, addr := range ifaceAddrs {
if ipv4Addr := addr.(*net.IPNet).IP.To4(); ipv4Addr != nil {
return ipv4Addr, nil
}
}
}
}
return nil, fmt.Errorf("interface %s don't have an ipv4 address", iface.Name)
}
}

191
client/proto/daemon.pb.go
View File

@@ -1,16 +1,16 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.26.0
// protoc v3.12.4
// protoc v3.21.9
// source: daemon.proto
package proto
import (
_ "github.com/golang/protobuf/protoc-gen-go/descriptor"
timestamp "github.com/golang/protobuf/ptypes/timestamp"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
_ "google.golang.org/protobuf/types/descriptorpb"
timestamppb "google.golang.org/protobuf/types/known/timestamppb"
reflect "reflect"
sync "sync"
)
@@ -645,14 +645,15 @@ type PeerState struct {
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
IP string `protobuf:"bytes,1,opt,name=IP,proto3" json:"IP,omitempty"`
PubKey string `protobuf:"bytes,2,opt,name=pubKey,proto3" json:"pubKey,omitempty"`
ConnStatus string `protobuf:"bytes,3,opt,name=connStatus,proto3" json:"connStatus,omitempty"`
ConnStatusUpdate *timestamp.Timestamp `protobuf:"bytes,4,opt,name=connStatusUpdate,proto3" json:"connStatusUpdate,omitempty"`
Relayed bool `protobuf:"varint,5,opt,name=relayed,proto3" json:"relayed,omitempty"`
Direct bool `protobuf:"varint,6,opt,name=direct,proto3" json:"direct,omitempty"`
LocalIceCandidateType string `protobuf:"bytes,7,opt,name=localIceCandidateType,proto3" json:"localIceCandidateType,omitempty"`
RemoteIceCandidateType string `protobuf:"bytes,8,opt,name=remoteIceCandidateType,proto3" json:"remoteIceCandidateType,omitempty"`
IP string `protobuf:"bytes,1,opt,name=IP,proto3" json:"IP,omitempty"`
PubKey string `protobuf:"bytes,2,opt,name=pubKey,proto3" json:"pubKey,omitempty"`
ConnStatus string `protobuf:"bytes,3,opt,name=connStatus,proto3" json:"connStatus,omitempty"`
ConnStatusUpdate *timestamppb.Timestamp `protobuf:"bytes,4,opt,name=connStatusUpdate,proto3" json:"connStatusUpdate,omitempty"`
Relayed bool `protobuf:"varint,5,opt,name=relayed,proto3" json:"relayed,omitempty"`
Direct bool `protobuf:"varint,6,opt,name=direct,proto3" json:"direct,omitempty"`
LocalIceCandidateType string `protobuf:"bytes,7,opt,name=localIceCandidateType,proto3" json:"localIceCandidateType,omitempty"`
RemoteIceCandidateType string `protobuf:"bytes,8,opt,name=remoteIceCandidateType,proto3" json:"remoteIceCandidateType,omitempty"`
Fqdn string `protobuf:"bytes,9,opt,name=fqdn,proto3" json:"fqdn,omitempty"`
}
func (x *PeerState) Reset() {
@@ -708,7 +709,7 @@ func (x *PeerState) GetConnStatus() string {
return ""
}
func (x *PeerState) GetConnStatusUpdate() *timestamp.Timestamp {
func (x *PeerState) GetConnStatusUpdate() *timestamppb.Timestamp {
if x != nil {
return x.ConnStatusUpdate
}
@@ -743,6 +744,13 @@ func (x *PeerState) GetRemoteIceCandidateType() string {
return ""
}
func (x *PeerState) GetFqdn() string {
if x != nil {
return x.Fqdn
}
return ""
}
// LocalPeerState contains the latest state of the local peer
type LocalPeerState struct {
state protoimpl.MessageState
@@ -752,6 +760,7 @@ type LocalPeerState struct {
IP string `protobuf:"bytes,1,opt,name=IP,proto3" json:"IP,omitempty"`
PubKey string `protobuf:"bytes,2,opt,name=pubKey,proto3" json:"pubKey,omitempty"`
KernelInterface bool `protobuf:"varint,3,opt,name=kernelInterface,proto3" json:"kernelInterface,omitempty"`
Fqdn string `protobuf:"bytes,4,opt,name=fqdn,proto3" json:"fqdn,omitempty"`
}
func (x *LocalPeerState) Reset() {
@@ -807,6 +816,13 @@ func (x *LocalPeerState) GetKernelInterface() bool {
return false
}
func (x *LocalPeerState) GetFqdn() string {
if x != nil {
return x.Fqdn
}
return ""
}
// SignalState contains the latest state of a signal connection
type SignalState struct {
state protoimpl.MessageState
@@ -1053,7 +1069,7 @@ var file_daemon_proto_rawDesc = []byte{
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@@ -1073,61 +1089,64 @@ var file_daemon_proto_rawDesc = []byte{
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0x33,
}
var (
@@ -1144,24 +1163,24 @@ func file_daemon_proto_rawDescGZIP() []byte {
var file_daemon_proto_msgTypes = make([]protoimpl.MessageInfo, 17)
var file_daemon_proto_goTypes = []interface{}{
(*LoginRequest)(nil), // 0: daemon.LoginRequest
(*LoginResponse)(nil), // 1: daemon.LoginResponse
(*WaitSSOLoginRequest)(nil), // 2: daemon.WaitSSOLoginRequest
(*WaitSSOLoginResponse)(nil), // 3: daemon.WaitSSOLoginResponse
(*UpRequest)(nil), // 4: daemon.UpRequest
(*UpResponse)(nil), // 5: daemon.UpResponse
(*StatusRequest)(nil), // 6: daemon.StatusRequest
(*StatusResponse)(nil), // 7: daemon.StatusResponse
(*DownRequest)(nil), // 8: daemon.DownRequest
(*DownResponse)(nil), // 9: daemon.DownResponse
(*GetConfigRequest)(nil), // 10: daemon.GetConfigRequest
(*GetConfigResponse)(nil), // 11: daemon.GetConfigResponse
(*PeerState)(nil), // 12: daemon.PeerState
(*LocalPeerState)(nil), // 13: daemon.LocalPeerState
(*SignalState)(nil), // 14: daemon.SignalState
(*ManagementState)(nil), // 15: daemon.ManagementState
(*FullStatus)(nil), // 16: daemon.FullStatus
(*timestamp.Timestamp)(nil), // 17: google.protobuf.Timestamp
(*LoginRequest)(nil), // 0: daemon.LoginRequest
(*LoginResponse)(nil), // 1: daemon.LoginResponse
(*WaitSSOLoginRequest)(nil), // 2: daemon.WaitSSOLoginRequest
(*WaitSSOLoginResponse)(nil), // 3: daemon.WaitSSOLoginResponse
(*UpRequest)(nil), // 4: daemon.UpRequest
(*UpResponse)(nil), // 5: daemon.UpResponse
(*StatusRequest)(nil), // 6: daemon.StatusRequest
(*StatusResponse)(nil), // 7: daemon.StatusResponse
(*DownRequest)(nil), // 8: daemon.DownRequest
(*DownResponse)(nil), // 9: daemon.DownResponse
(*GetConfigRequest)(nil), // 10: daemon.GetConfigRequest
(*GetConfigResponse)(nil), // 11: daemon.GetConfigResponse
(*PeerState)(nil), // 12: daemon.PeerState
(*LocalPeerState)(nil), // 13: daemon.LocalPeerState
(*SignalState)(nil), // 14: daemon.SignalState
(*ManagementState)(nil), // 15: daemon.ManagementState
(*FullStatus)(nil), // 16: daemon.FullStatus
(*timestamppb.Timestamp)(nil), // 17: google.protobuf.Timestamp
}
var file_daemon_proto_depIdxs = []int32{
16, // 0: daemon.StatusResponse.fullStatus:type_name -> daemon.FullStatus

2
client/proto/daemon.proto
View File

@@ -105,6 +105,7 @@ message PeerState {
bool direct = 6;
string localIceCandidateType = 7;
string remoteIceCandidateType =8;
string fqdn = 9;
}
// LocalPeerState contains the latest state of the local peer
@@ -112,6 +113,7 @@ message LocalPeerState {
string IP = 1;
string pubKey = 2;
bool kernelInterface =3;
string fqdn = 4;
}
// SignalState contains the latest state of a signal connection

15
client/proto/generate.sh
View File

@@ -1,4 +1,17 @@
#!/bin/bash
set -e
if ! which realpath > /dev/null 2>&1
then
echo realpath is not installed
echo run: brew install coreutils
exit 1
fi
old_pwd=$(pwd)
script_path=$(dirname $(realpath "$0"))
cd "$script_path"
go install google.golang.org/protobuf/cmd/protoc-gen-go@v1.26
go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@v1.1
protoc -I proto/ proto/daemon.proto --go_out=. --go-grpc_out=.
protoc -I ./ ./daemon.proto --go_out=../ --go-grpc_out=../
cd "$old_pwd"

2
client/server/server.go
View File

@@ -475,6 +475,7 @@ func toProtoFullStatus(fullStatus nbStatus.FullStatus) *proto.FullStatus {
pbFullStatus.LocalPeerState.IP = fullStatus.LocalPeerState.IP
pbFullStatus.LocalPeerState.PubKey = fullStatus.LocalPeerState.PubKey
pbFullStatus.LocalPeerState.KernelInterface = fullStatus.LocalPeerState.KernelInterface
pbFullStatus.LocalPeerState.Fqdn = fullStatus.LocalPeerState.FQDN
for _, peerState := range fullStatus.Peers {
pbPeerState := &proto.PeerState{
@@ -486,6 +487,7 @@ func toProtoFullStatus(fullStatus nbStatus.FullStatus) *proto.FullStatus {
Direct: peerState.Direct,
LocalIceCandidateType: peerState.LocalIceCandidateType,
RemoteIceCandidateType: peerState.RemoteIceCandidateType,
Fqdn: peerState.FQDN,
}
pbFullStatus.Peers = append(pbFullStatus.Peers, pbPeerState)
}

18
client/status/status.go
View File

@@ -10,6 +10,7 @@ import (
type PeerState struct {
IP string
PubKey string
FQDN string
ConnStatus string
ConnStatusUpdate time.Time
Relayed bool
@@ -23,6 +24,7 @@ type LocalPeerState struct {
IP string
PubKey string
KernelInterface bool
FQDN string
}
// SignalState contains the latest state of a signal connection
@@ -136,6 +138,22 @@ func (d *Status) UpdatePeerState(receivedState PeerState) error {
return nil
}
// UpdatePeerFQDN update peer's state fqdn only
func (d *Status) UpdatePeerFQDN(peerPubKey, fqdn string) error {
d.mux.Lock()
defer d.mux.Unlock()
peerState, ok := d.peers[peerPubKey]
if !ok {
return errors.New("peer doesn't exist")
}
peerState.FQDN = fqdn
d.peers[peerPubKey] = peerState
return nil
}
// GetPeerStateChangeNotifier returns a change notifier channel for a peer
func (d *Status) GetPeerStateChangeNotifier(peer string) <-chan struct{} {
d.mux.Lock()

18
client/status/status_test.go
View File

@@ -54,6 +54,24 @@ func TestUpdatePeerState(t *testing.T) {
assert.Equal(t, ip, state.IP, "ip should be equal")
}
func TestStatus_UpdatePeerFQDN(t *testing.T) {
key := "abc"
fqdn := "peer-a.netbird.local"
status := NewRecorder()
peerState := PeerState{
PubKey: key,
}
status.peers[key] = peerState
err := status.UpdatePeerFQDN(key, fqdn)
assert.NoError(t, err, "shouldn't return error")
state, exists := status.peers[key]
assert.True(t, exists, "state should be found")
assert.Equal(t, fqdn, state.FQDN, "fqdn should be equal")
}
func TestGetPeerStateChangeNotifierLogic(t *testing.T) {
key := "abc"
ip := "10.10.10.10"