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Merge pull request #380 from neilalexander/listeners

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Re-order config, update default Listen
This commit is contained in:
Neil Alexander 2019-03-12 20:16:37 +00:00 committed by GitHub
commit cc0c188dc9
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3 changed files with 13 additions and 20 deletions
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6
cmd/yggdrasil/main.go
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@ -62,7 +62,7 @@ func readConfig(useconf *bool, useconffile *string, normaliseconf *bool) *nodeCo
// then parse the configuration we loaded above on top of it. The effect
// of this is that any configuration item that is missing from the provided
// configuration will use a sane default.
cfg := config.GenerateConfig(false)
cfg := config.GenerateConfig()
var dat map[string]interface{}
if err := hjson.Unmarshal(conf, &dat); err != nil {
panic(err)
@ -154,7 +154,7 @@ func readConfig(useconf *bool, useconffile *string, normaliseconf *bool) *nodeCo
// Generates a new configuration and returns it in HJSON format. This is used
// with -genconf.
func doGenconf(isjson bool) string {
cfg := config.GenerateConfig(false)
cfg := config.GenerateConfig()
var bs []byte
var err error
if isjson {
@ -191,7 +191,7 @@ func main() {
case *autoconf:
// Use an autoconf-generated config, this will give us random keys and
// port numbers, and will use an automatically selected TUN/TAP interface.
cfg = config.GenerateConfig(true)
cfg = config.GenerateConfig()
case *useconffile != "" || *useconf:
// Read the configuration from either stdin or from the filesystem
cfg = readConfig(useconf, useconffile, normaliseconf)

21
src/config/config.go
View File

@ -2,9 +2,6 @@ package config
import (
"encoding/hex"
"fmt"
"math/rand"
"time"
"github.com/yggdrasil-network/yggdrasil-go/src/crypto"
"github.com/yggdrasil-network/yggdrasil-go/src/defaults"
@ -12,16 +9,16 @@ import (
// NodeConfig defines all configuration values needed to run a signle yggdrasil node
type NodeConfig struct {
Listen []string `comment:"Listen addresses for peer connections. Default is to listen for all\nTCP connections over IPv4 and IPv6 with a random port."`
Peers []string `comment:"List of connection strings for outbound peer connections in URI format,\ne.g. tcp://a.b.c.d:e or socks://a.b.c.d:e/f.g.h.i:j. These connections\nwill obey the operating system routing table, therefore you should\nuse this section when you may connect via different interfaces."`
InterfacePeers map[string][]string `comment:"List of connection strings for outbound peer connections in URI format,\narranged by source interface, e.g. { \"eth0\": [ tcp://a.b.c.d:e ] }.\nNote that SOCKS peerings will NOT be affected by this option and should\ngo in the \"Peers\" section instead."`
Listen []string `comment:"Listen addresses for incoming connections. You will need to add\nlisteners in order to accept incoming peerings from non-local nodes.\nMulticast peer discovery will work regardless of any listeners set\nhere. Each listener should be specified in URI format as above, e.g.\ntcp://0.0.0.0:0 or tcp://[::]:0 to listen on all interfaces."`
AdminListen string `comment:"Listen address for admin connections. Default is to listen for local\nconnections either on TCP/9001 or a UNIX socket depending on your\nplatform. Use this value for yggdrasilctl -endpoint=X. To disable\nthe admin socket, use the value \"none\" instead."`
Peers []string `comment:"List of connection strings for static peers in URI format, e.g.\ntcp://a.b.c.d:e or socks://a.b.c.d:e/f.g.h.i:j."`
InterfacePeers map[string][]string `comment:"List of connection strings for static peers in URI format, arranged\nby source interface, e.g. { \"eth0\": [ tcp://a.b.c.d:e ] }. Note that\nSOCKS peerings will NOT be affected by this option and should go in\nthe \"Peers\" section instead."`
MulticastInterfaces []string `comment:"Regular expressions for which interfaces multicast peer discovery\nshould be enabled on. If none specified, multicast peer discovery is\ndisabled. The default value is .* which uses all interfaces."`
AllowedEncryptionPublicKeys []string `comment:"List of peer encryption public keys to allow incoming TCP peering\nconnections from. If left empty/undefined then all connections will\nbe allowed by default. This does not affect outgoing peerings, nor\ndoes it affect link-local peers discovered via multicast."`
EncryptionPublicKey string `comment:"Your public encryption key. Your peers may ask you for this to put\ninto their AllowedEncryptionPublicKeys configuration."`
EncryptionPrivateKey string `comment:"Your private encryption key. DO NOT share this with anyone!"`
SigningPublicKey string `comment:"Your public signing key. You should not ordinarily need to share\nthis with anyone."`
SigningPrivateKey string `comment:"Your private signing key. DO NOT share this with anyone!"`
MulticastInterfaces []string `comment:"Regular expressions for which interfaces multicast peer discovery\nshould be enabled on. If none specified, multicast peer discovery is\ndisabled. The default value is .* which uses all interfaces."`
LinkLocalTCPPort uint16 `comment:"The port number to be used for the link-local TCP listeners for the\nconfigured MulticastInterfaces. This option does not affect listeners\nspecified in the Listen option. Unless you plan to firewall link-local\ntraffic, it is best to leave this as the default value of 0. This\noption cannot currently be changed by reloading config during runtime."`
IfName string `comment:"Local network interface name for TUN/TAP adapter, or \"auto\" to select\nan interface automatically, or \"none\" to run without TUN/TAP."`
IfTAPMode bool `comment:"Set local network interface to TAP mode rather than TUN mode if\nsupported by your platform - option will be ignored if not."`
@ -64,18 +61,13 @@ type SwitchOptions struct {
// or whether to generate a random port number. The only side effect of setting
// isAutoconf is that the TCP and UDP ports will likely end up with different
// port numbers.
func GenerateConfig(isAutoconf bool) *NodeConfig {
func GenerateConfig() *NodeConfig {
// Generate encryption keys.
bpub, bpriv := crypto.NewBoxKeys()
spub, spriv := crypto.NewSigKeys()
// Create a node configuration and populate it.
cfg := NodeConfig{}
if isAutoconf {
cfg.Listen = []string{"tcp://[::]:0"}
} else {
r1 := rand.New(rand.NewSource(time.Now().UnixNano()))
cfg.Listen = []string{fmt.Sprintf("tcp://[::]:%d", r1.Intn(65534-32768)+32768)}
}
cfg.Listen = []string{}
cfg.AdminListen = defaults.GetDefaults().DefaultAdminListen
cfg.EncryptionPublicKey = hex.EncodeToString(bpub[:])
cfg.EncryptionPrivateKey = hex.EncodeToString(bpriv[:])
@ -91,6 +83,7 @@ func GenerateConfig(isAutoconf bool) *NodeConfig {
cfg.SessionFirewall.Enable = false
cfg.SessionFirewall.AllowFromDirect = true
cfg.SessionFirewall.AllowFromRemote = true
cfg.SessionFirewall.AlwaysAllowOutbound = true
cfg.SwitchOptions.MaxTotalQueueSize = 4 * 1024 * 1024
cfg.NodeInfoPrivacy = false

6
src/yggdrasil/mobile.go
View File

@ -45,7 +45,7 @@ func (c *Core) addStaticPeers(cfg *config.NodeConfig) {
func (c *Core) StartAutoconfigure() error {
mobilelog := MobileLogger{}
logger := log.New(mobilelog, "", 0)
nc := config.GenerateConfig(true)
nc := config.GenerateConfig()
nc.IfName = "dummy"
nc.AdminListen = "tcp://localhost:9001"
nc.Peers = []string{}
@ -64,7 +64,7 @@ func (c *Core) StartAutoconfigure() error {
func (c *Core) StartJSON(configjson []byte) error {
mobilelog := MobileLogger{}
logger := log.New(mobilelog, "", 0)
nc := config.GenerateConfig(false)
nc := config.GenerateConfig()
var dat map[string]interface{}
if err := hjson.Unmarshal(configjson, &dat); err != nil {
return err
@ -82,7 +82,7 @@ func (c *Core) StartJSON(configjson []byte) error {
// Generates mobile-friendly configuration in JSON format.
func GenerateConfigJSON() []byte {
nc := config.GenerateConfig(false)
nc := config.GenerateConfig()
nc.IfName = "dummy"
if json, err := json.Marshal(nc); err == nil {
return json