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Enable IPv6 address discovery (#578)
Agents will use IPv6 when available for ICE negotiation
This commit is contained in:
parent
f604956246
commit
4bd5029e7b
@ -33,13 +33,14 @@ func init() {
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// Config Configuration type
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type Config struct {
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// Wireguard private key of local peer
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PrivateKey string
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PreSharedKey string
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ManagementURL *url.URL
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AdminURL *url.URL
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WgIface string
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WgPort int
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IFaceBlackList []string
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PrivateKey string
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PreSharedKey string
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ManagementURL *url.URL
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AdminURL *url.URL
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WgIface string
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WgPort int
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IFaceBlackList []string
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DisableIPv6Discovery bool
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// SSHKey is a private SSH key in a PEM format
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SSHKey string
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@ -69,11 +70,12 @@ func createNewConfig(managementURL, adminURL, configPath, preSharedKey string) (
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return nil, err
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}
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config := &Config{
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SSHKey: string(pem),
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PrivateKey: wgKey,
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WgIface: iface.WgInterfaceDefault,
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WgPort: iface.DefaultWgPort,
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IFaceBlackList: []string{},
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SSHKey: string(pem),
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PrivateKey: wgKey,
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WgIface: iface.WgInterfaceDefault,
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WgPort: iface.DefaultWgPort,
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IFaceBlackList: []string{},
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DisableIPv6Discovery: false,
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}
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if managementURL != "" {
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URL, err := ParseURL("Management URL", managementURL)
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@ -185,12 +185,13 @@ func RunClient(ctx context.Context, config *Config, statusRecorder *nbStatus.Sta
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func createEngineConfig(key wgtypes.Key, config *Config, peerConfig *mgmProto.PeerConfig) (*EngineConfig, error) {
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engineConf := &EngineConfig{
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WgIfaceName: config.WgIface,
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WgAddr: peerConfig.Address,
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IFaceBlackList: config.IFaceBlackList,
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WgPrivateKey: key,
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WgPort: config.WgPort,
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SSHKey: []byte(config.SSHKey),
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WgIfaceName: config.WgIface,
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WgAddr: peerConfig.Address,
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IFaceBlackList: config.IFaceBlackList,
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DisableIPv6Discovery: config.DisableIPv6Discovery,
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WgPrivateKey: key,
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WgPort: config.WgPort,
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SSHKey: []byte(config.SSHKey),
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NATExternalIPs: config.NATExternalIPs,
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}
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@ -55,7 +55,8 @@ type EngineConfig struct {
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WgPrivateKey wgtypes.Key
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// IFaceBlackList is a list of network interfaces to ignore when discovering connection candidates (ICE related)
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IFaceBlackList []string
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IFaceBlackList []string
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DisableIPv6Discovery bool
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PreSharedKey *wgtypes.Key
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@ -226,13 +227,18 @@ func (e *Engine) Start() error {
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return err
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}
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e.udpMuxConn, err = net.ListenUDP("udp4", &net.UDPAddr{Port: e.config.UDPMuxPort})
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networkName := "udp"
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if e.config.DisableIPv6Discovery {
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networkName = "udp4"
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}
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e.udpMuxConn, err = net.ListenUDP(networkName, &net.UDPAddr{Port: e.config.UDPMuxPort})
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if err != nil {
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log.Errorf("failed listening on UDP port %d: [%s]", e.config.UDPMuxPort, err.Error())
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return err
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}
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e.udpMuxConnSrflx, err = net.ListenUDP("udp4", &net.UDPAddr{Port: e.config.UDPMuxSrflxPort})
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e.udpMuxConnSrflx, err = net.ListenUDP(networkName, &net.UDPAddr{Port: e.config.UDPMuxSrflxPort})
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if err != nil {
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log.Errorf("failed listening on UDP port %d: [%s]", e.config.UDPMuxSrflxPort, err.Error())
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return err
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@ -819,15 +825,16 @@ func (e Engine) createPeerConn(pubKey string, allowedIPs string) (*peer.Conn, er
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// randomize connection timeout
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timeout := time.Duration(rand.Intn(PeerConnectionTimeoutMax-PeerConnectionTimeoutMin)+PeerConnectionTimeoutMin) * time.Millisecond
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config := peer.ConnConfig{
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Key: pubKey,
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LocalKey: e.config.WgPrivateKey.PublicKey().String(),
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StunTurn: stunTurn,
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InterfaceBlackList: e.config.IFaceBlackList,
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Timeout: timeout,
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UDPMux: e.udpMux,
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UDPMuxSrflx: e.udpMuxSrflx,
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ProxyConfig: proxyConfig,
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LocalWgPort: e.config.WgPort,
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Key: pubKey,
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LocalKey: e.config.WgPrivateKey.PublicKey().String(),
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StunTurn: stunTurn,
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InterfaceBlackList: e.config.IFaceBlackList,
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DisableIPv6Discovery: e.config.DisableIPv6Discovery,
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Timeout: timeout,
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UDPMux: e.udpMux,
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UDPMuxSrflx: e.udpMuxSrflx,
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ProxyConfig: proxyConfig,
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LocalWgPort: e.config.WgPort,
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NATExternalIPs: e.parseNATExternalIPMappings(),
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}
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@ -29,7 +29,8 @@ type ConnConfig struct {
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// InterfaceBlackList is a list of machine interfaces that should be filtered out by ICE Candidate gathering
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// (e.g. if eth0 is in the list, host candidate of this interface won't be used)
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InterfaceBlackList []string
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InterfaceBlackList []string
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DisableIPv6Discovery bool
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Timeout time.Duration
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@ -145,9 +146,9 @@ func (conn *Conn) reCreateAgent() error {
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failedTimeout := 6 * time.Second
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var err error
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conn.agent, err = ice.NewAgent(&ice.AgentConfig{
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agentConfig := &ice.AgentConfig{
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MulticastDNSMode: ice.MulticastDNSModeDisabled,
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NetworkTypes: []ice.NetworkType{ice.NetworkTypeUDP4},
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NetworkTypes: []ice.NetworkType{ice.NetworkTypeUDP4, ice.NetworkTypeUDP6},
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Urls: conn.config.StunTurn,
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CandidateTypes: []ice.CandidateType{ice.CandidateTypeHost, ice.CandidateTypeServerReflexive, ice.CandidateTypeRelay},
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FailedTimeout: &failedTimeout,
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@ -155,7 +156,14 @@ func (conn *Conn) reCreateAgent() error {
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UDPMux: conn.config.UDPMux,
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UDPMuxSrflx: conn.config.UDPMuxSrflx,
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NAT1To1IPs: conn.config.NATExternalIPs,
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})
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}
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if conn.config.DisableIPv6Discovery {
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agentConfig.NetworkTypes = []ice.NetworkType{ice.NetworkTypeUDP4}
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}
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conn.agent, err = ice.NewAgent(agentConfig)
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if err != nil {
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return err
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}
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