config+server: update usage of lncfg methods to pass in resolver
In this commit, we update all the lncfg methods used to properly pass in a new resolver. This is required in order to ensure that we don't leak our DNS queries if Tor mode is active.
This commit is contained in:
Olaoluwa Osuntokun
Wilmer Paulino
parent
37f56ce976
commit
17399994e4
46
config.go
46
config.go
@ -166,20 +166,20 @@ type torConfig struct {
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type config struct {
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ShowVersion bool `short:"V" long:"version" description:"Display version information and exit"`
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LndDir string `long:"lnddir" description:"The base directory that contains lnd's data, logs, configuration file, etc."`
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ConfigFile string `long:"C" long:"configfile" description:"Path to configuration file"`
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DataDir string `short:"b" long:"datadir" description:"The directory to store lnd's data within"`
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TLSCertPath string `long:"tlscertpath" description:"Path to write the TLS certificate for lnd's RPC and REST services"`
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TLSKeyPath string `long:"tlskeypath" description:"Path to write the TLS private key for lnd's RPC and REST services"`
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TLSExtraIP string `long:"tlsextraip" description:"Adds an extra ip to the generated certificate"`
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TLSExtraDomain string `long:"tlsextradomain" description:"Adds an extra domain to the generated certificate"`
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NoMacaroons bool `long:"no-macaroons" description:"Disable macaroon authentication"`
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AdminMacPath string `long:"adminmacaroonpath" description:"Path to write the admin macaroon for lnd's RPC and REST services if it doesn't exist"`
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ReadMacPath string `long:"readonlymacaroonpath" description:"Path to write the read-only macaroon for lnd's RPC and REST services if it doesn't exist"`
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InvoiceMacPath string `long:"invoicemacaroonpath" description:"Path to the invoice-only macaroon for lnd's RPC and REST services if it doesn't exist"`
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LogDir string `long:"logdir" description:"Directory to log output."`
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MaxLogFiles int `long:"maxlogfiles" description:"Maximum logfiles to keep (0 for no rotation)"`
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MaxLogFileSize int `long:"maxlogfilesize" description:"Maximum logfile size in MB"`
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LndDir string `long:"lnddir" description:"The base directory that contains lnd's data, logs, configuration file, etc."`
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ConfigFile string `long:"C" long:"configfile" description:"Path to configuration file"`
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DataDir string `short:"b" long:"datadir" description:"The directory to store lnd's data within"`
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TLSCertPath string `long:"tlscertpath" description:"Path to write the TLS certificate for lnd's RPC and REST services"`
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TLSKeyPath string `long:"tlskeypath" description:"Path to write the TLS private key for lnd's RPC and REST services"`
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TLSExtraIP string `long:"tlsextraip" description:"Adds an extra ip to the generated certificate"`
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TLSExtraDomain string `long:"tlsextradomain" description:"Adds an extra domain to the generated certificate"`
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NoMacaroons bool `long:"no-macaroons" description:"Disable macaroon authentication"`
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AdminMacPath string `long:"adminmacaroonpath" description:"Path to write the admin macaroon for lnd's RPC and REST services if it doesn't exist"`
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ReadMacPath string `long:"readonlymacaroonpath" description:"Path to write the read-only macaroon for lnd's RPC and REST services if it doesn't exist"`
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InvoiceMacPath string `long:"invoicemacaroonpath" description:"Path to the invoice-only macaroon for lnd's RPC and REST services if it doesn't exist"`
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LogDir string `long:"logdir" description:"Directory to log output."`
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MaxLogFiles int `long:"maxlogfiles" description:"Maximum logfiles to keep (0 for no rotation)"`
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MaxLogFileSize int `long:"maxlogfilesize" description:"Maximum logfile size in MB"`
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// We'll parse these 'raw' string arguments into real net.Addrs in the
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// loadConfig function. We need to expose the 'raw' strings so the
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@ -193,8 +193,8 @@ type config struct {
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RESTListeners []net.Addr
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Listeners []net.Addr
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ExternalIPs []net.Addr
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DisableListen bool `long:"nolisten" description:"Disable listening for incoming peer connections"`
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NAT bool `long:"nat" description:"Toggle NAT traversal support (using either UPnP or NAT-PMP) to automatically advertise your external IP address to the network -- NOTE this does not support devices behind multiple NATs"`
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DisableListen bool `long:"nolisten" description:"Disable listening for incoming peer connections"`
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NAT bool `long:"nat" description:"Toggle NAT traversal support (using either UPnP or NAT-PMP) to automatically advertise your external IP address to the network -- NOTE this does not support devices behind multiple NATs"`
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DebugLevel string `short:"d" long:"debuglevel" description:"Logging level for all subsystems {trace, debug, info, warn, error, critical} -- You may also specify <subsystem>=<level>,<subsystem2>=<level>,... to set the log level for individual subsystems -- Use show to list available subsystems"`
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@ -431,25 +431,31 @@ func loadConfig() (*config, error) {
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// Validate the Tor config parameters.
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socks, err := lncfg.ParseAddressString(
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cfg.Tor.SOCKS, strconv.Itoa(defaultTorSOCKSPort),
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cfg.net.ResolveTCPAddr,
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)
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if err != nil {
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return nil, err
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}
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cfg.Tor.SOCKS = socks.String()
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dns, err := lncfg.ParseAddressString(
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cfg.Tor.DNS, strconv.Itoa(defaultTorDNSPort),
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cfg.net.ResolveTCPAddr,
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)
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if err != nil {
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return nil, err
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}
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cfg.Tor.DNS = dns.String()
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control, err := lncfg.ParseAddressString(
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cfg.Tor.Control, strconv.Itoa(defaultTorControlPort),
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cfg.net.ResolveTCPAddr,
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)
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if err != nil {
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return nil, err
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}
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cfg.Tor.Control = control.String()
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switch {
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case cfg.Tor.V2 && cfg.Tor.V3:
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return nil, errors.New("either tor.v2 or tor.v3 can be set, " +
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@ -817,6 +823,7 @@ func loadConfig() (*config, error) {
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// duplicate addresses.
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cfg.RPCListeners, err = lncfg.NormalizeAddresses(
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cfg.RawRPCListeners, strconv.Itoa(defaultRPCPort),
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cfg.net.ResolveTCPAddr,
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)
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if err != nil {
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return nil, err
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@ -826,6 +833,7 @@ func loadConfig() (*config, error) {
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// duplicate addresses.
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cfg.RESTListeners, err = lncfg.NormalizeAddresses(
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cfg.RawRESTListeners, strconv.Itoa(defaultRESTPort),
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cfg.net.ResolveTCPAddr,
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)
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if err != nil {
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return nil, err
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@ -835,6 +843,7 @@ func loadConfig() (*config, error) {
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// duplicate addresses.
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cfg.Listeners, err = lncfg.NormalizeAddresses(
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cfg.RawListeners, strconv.Itoa(defaultPeerPort),
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cfg.net.ResolveTCPAddr,
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)
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if err != nil {
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return nil, err
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@ -844,6 +853,7 @@ func loadConfig() (*config, error) {
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// duplicate addresses.
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cfg.ExternalIPs, err = lncfg.NormalizeAddresses(
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cfg.RawExternalIPs, strconv.Itoa(defaultPeerPort),
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cfg.net.ResolveTCPAddr,
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)
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if err != nil {
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return nil, err
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@ -854,7 +864,7 @@ func loadConfig() (*config, error) {
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// that.
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for _, p2pListener := range cfg.Listeners {
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if lncfg.IsUnix(p2pListener) {
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err := fmt.Errorf("unix socket addresses cannot be " +
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err := fmt.Errorf("unix socket addresses cannot be "+
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"used for the p2p connection listener: %s",
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p2pListener)
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return nil, err
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@ -868,7 +878,7 @@ func loadConfig() (*config, error) {
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// Due to the addresses being normalized above, we can
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// skip checking the error.
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host, _, _ := net.SplitHostPort(addr.String())
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if host == "localhost" || host == "127.0.0.1" {
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if lncfg.IsLoopback(addr) {
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continue
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}
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@ -399,6 +399,7 @@ func newServer(listenAddrs []net.Addr, chanDB *channeldb.DB, cc *chainControl,
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// of this server's addresses.
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externalIPs, err := lncfg.NormalizeAddresses(
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externalIpStrings, strconv.Itoa(defaultPeerPort),
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cfg.net.ResolveTCPAddr,
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)
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if err != nil {
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return nil, err
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