mirror of
https://github.com/cwinfo/yggdrasil-go.git
synced 2024-11-10 07:30:27 +00:00
commit
059fe24526
11
CHANGELOG.md
11
CHANGELOG.md
@ -25,6 +25,17 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
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- in case of vulnerabilities.
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- in case of vulnerabilities.
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-->
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-->
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## [0.2.4] - 2018-07-08
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### Added
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- Support for UNIX domain sockets for the admin socket using `unix:///path/to/file.sock`
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- Centralised platform-specific defaults
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### Changed
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- Backpressure tuning, including reducing resource consumption
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### Fixed
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- macOS local ping bug, which previously prevented you from pinging your own `utun` adapter's IPv6 address
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## [0.2.3] - 2018-06-29
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## [0.2.3] - 2018-06-29
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### Added
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### Added
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- Begin keeping changelog (incomplete and possibly inaccurate information before this point).
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- Begin keeping changelog (incomplete and possibly inaccurate information before this point).
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@ -13,6 +13,8 @@ import (
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"strings"
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"strings"
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"sync/atomic"
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"sync/atomic"
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"time"
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"time"
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"yggdrasil/defaults"
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)
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)
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// TODO: Add authentication
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// TODO: Add authentication
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@ -20,6 +22,7 @@ import (
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type admin struct {
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type admin struct {
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core *Core
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core *Core
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listenaddr string
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listenaddr string
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listener net.Listener
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handlers []admin_handlerInfo
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handlers []admin_handlerInfo
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}
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}
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@ -155,15 +158,15 @@ func (a *admin) init(c *Core, listenaddr string) {
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})
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})
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a.addHandler("setTunTap", []string{"name", "[tap_mode]", "[mtu]"}, func(in admin_info) (admin_info, error) {
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a.addHandler("setTunTap", []string{"name", "[tap_mode]", "[mtu]"}, func(in admin_info) (admin_info, error) {
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// Set sane defaults
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// Set sane defaults
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iftapmode := getDefaults().defaultIfTAPMode
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iftapmode := defaults.GetDefaults().DefaultIfTAPMode
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ifmtu := getDefaults().defaultIfMTU
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ifmtu := defaults.GetDefaults().DefaultIfMTU
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// Has TAP mode been specified?
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// Has TAP mode been specified?
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if tap, ok := in["tap_mode"]; ok {
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if tap, ok := in["tap_mode"]; ok {
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iftapmode = tap.(bool)
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iftapmode = tap.(bool)
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}
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}
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// Check we have enough params for MTU
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// Check we have enough params for MTU
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if mtu, ok := in["mtu"]; ok {
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if mtu, ok := in["mtu"]; ok {
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if mtu.(float64) >= 1280 && ifmtu <= getDefaults().maximumIfMTU {
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if mtu.(float64) >= 1280 && ifmtu <= defaults.GetDefaults().MaximumIfMTU {
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ifmtu = int(in["mtu"].(float64))
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ifmtu = int(in["mtu"].(float64))
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}
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}
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}
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}
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@ -227,17 +230,37 @@ func (a *admin) start() error {
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return nil
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return nil
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}
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}
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// cleans up when stopping
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func (a *admin) close() error {
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return a.listener.Close()
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}
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// listen is run by start and manages API connections.
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// listen is run by start and manages API connections.
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func (a *admin) listen() {
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func (a *admin) listen() {
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l, err := net.Listen("tcp", a.listenaddr)
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u, err := url.Parse(a.listenaddr)
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if err == nil {
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switch strings.ToLower(u.Scheme) {
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case "unix":
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a.listener, err = net.Listen("unix", a.listenaddr[7:])
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case "tcp":
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a.listener, err = net.Listen("tcp", u.Host)
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default:
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// err = errors.New(fmt.Sprint("protocol not supported: ", u.Scheme))
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a.listener, err = net.Listen("tcp", a.listenaddr)
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}
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} else {
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a.listener, err = net.Listen("tcp", a.listenaddr)
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}
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if err != nil {
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if err != nil {
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a.core.log.Printf("Admin socket failed to listen: %v", err)
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a.core.log.Printf("Admin socket failed to listen: %v", err)
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os.Exit(1)
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os.Exit(1)
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}
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}
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defer l.Close()
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a.core.log.Printf("%s admin socket listening on %s",
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a.core.log.Printf("Admin socket listening on %s", l.Addr().String())
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strings.ToUpper(a.listener.Addr().Network()),
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a.listener.Addr().String())
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defer a.listener.Close()
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for {
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for {
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conn, err := l.Accept()
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conn, err := a.listener.Accept()
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if err == nil {
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if err == nil {
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a.handleRequest(conn)
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a.handleRequest(conn)
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}
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}
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@ -3,7 +3,7 @@ package config
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// NodeConfig defines all configuration values needed to run a signle yggdrasil node
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// NodeConfig defines all configuration values needed to run a signle yggdrasil node
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type NodeConfig struct {
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type NodeConfig struct {
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Listen string `comment:"Listen address for peer connections. Default is to listen for all\nTCP connections over IPv4 and IPv6 with a random port."`
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Listen string `comment:"Listen address for peer connections. Default is to listen for all\nTCP connections over IPv4 and IPv6 with a random port."`
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AdminListen string `comment:"Listen address for admin connections Default is to listen for local\nconnections only on TCP port 9001."`
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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."`
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Peers []string `comment:"List of connection strings for static peers in URI format, i.e.\ntcp://a.b.c.d:e or socks://a.b.c.d:e/f.g.h.i:j"`
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Peers []string `comment:"List of connection strings for static peers in URI format, i.e.\ntcp://a.b.c.d:e or socks://a.b.c.d:e/f.g.h.i:j"`
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AllowedEncryptionPublicKeys []string `comment:"List of peer encryption public keys to allow or incoming TCP\nconnections from. If left empty/undefined then all connections\nwill be allowed by default."`
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AllowedEncryptionPublicKeys []string `comment:"List of peer encryption public keys to allow or incoming TCP\nconnections from. If left empty/undefined then all connections\nwill be allowed by default."`
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EncryptionPublicKey string `comment:"Your public encryption key. Your peers may ask you for this to put\ninto their AllowedEncryptionPublicKeys configuration."`
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EncryptionPublicKey string `comment:"Your public encryption key. Your peers may ask you for this to put\ninto their AllowedEncryptionPublicKeys configuration."`
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@ -9,6 +9,7 @@ import (
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"regexp"
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"regexp"
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"yggdrasil/config"
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"yggdrasil/config"
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"yggdrasil/defaults"
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)
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)
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// The Core object represents the Yggdrasil node. You should create a Core
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// The Core object represents the Yggdrasil node. You should create a Core
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@ -135,6 +136,7 @@ func (c *Core) Start(nc *config.NodeConfig, log *log.Logger) error {
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func (c *Core) Stop() {
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func (c *Core) Stop() {
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c.log.Println("Stopping...")
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c.log.Println("Stopping...")
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c.tun.close()
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c.tun.close()
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c.admin.close()
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}
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}
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// Generates a new encryption keypair. The encryption keys are used to
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// Generates a new encryption keypair. The encryption keys are used to
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@ -197,26 +199,31 @@ func (c *Core) AddAllowedEncryptionPublicKey(boxStr string) error {
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return c.admin.addAllowedEncryptionPublicKey(boxStr)
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return c.admin.addAllowedEncryptionPublicKey(boxStr)
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}
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}
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// Gets the default admin listen address for your platform.
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func (c *Core) GetAdminDefaultListen() string {
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return defaults.GetDefaults().DefaultAdminListen
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}
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// Gets the default TUN/TAP interface name for your platform.
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// Gets the default TUN/TAP interface name for your platform.
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func (c *Core) GetTUNDefaultIfName() string {
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func (c *Core) GetTUNDefaultIfName() string {
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return getDefaults().defaultIfName
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return defaults.GetDefaults().DefaultIfName
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}
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}
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// Gets the default TUN/TAP interface MTU for your platform. This can be as high
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// Gets the default TUN/TAP interface MTU for your platform. This can be as high
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// as 65535, depending on platform, but is never lower than 1280.
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// as 65535, depending on platform, but is never lower than 1280.
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func (c *Core) GetTUNDefaultIfMTU() int {
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func (c *Core) GetTUNDefaultIfMTU() int {
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return getDefaults().defaultIfMTU
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return defaults.GetDefaults().DefaultIfMTU
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}
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}
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// Gets the maximum supported TUN/TAP interface MTU for your platform. This
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// Gets the maximum supported TUN/TAP interface MTU for your platform. This
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// can be as high as 65535, depending on platform, but is never lower than 1280.
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// can be as high as 65535, depending on platform, but is never lower than 1280.
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func (c *Core) GetTUNMaximumIfMTU() int {
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func (c *Core) GetTUNMaximumIfMTU() int {
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return getDefaults().maximumIfMTU
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return defaults.GetDefaults().MaximumIfMTU
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}
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}
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// Gets the default TUN/TAP interface mode for your platform.
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// Gets the default TUN/TAP interface mode for your platform.
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func (c *Core) GetTUNDefaultIfTAPMode() bool {
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func (c *Core) GetTUNDefaultIfTAPMode() bool {
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return getDefaults().defaultIfTAPMode
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return defaults.GetDefaults().DefaultIfTAPMode
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}
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}
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|
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// Gets the current TUN/TAP interface name.
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// Gets the current TUN/TAP interface name.
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15
src/yggdrasil/defaults/defaults.go
Normal file
15
src/yggdrasil/defaults/defaults.go
Normal file
@ -0,0 +1,15 @@
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package defaults
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|
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// Defines which parameters are expected by default for configuration on a
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|
// specific platform. These values are populated in the relevant defaults_*.go
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|
// for the platform being targeted. They must be set.
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type platformDefaultParameters struct {
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// Admin socket
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DefaultAdminListen string
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|
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// TUN/TAP
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|
MaximumIfMTU int
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|
DefaultIfMTU int
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|
DefaultIfName string
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|
DefaultIfTAPMode bool
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|
}
|
18
src/yggdrasil/defaults/defaults_darwin.go
Normal file
18
src/yggdrasil/defaults/defaults_darwin.go
Normal file
@ -0,0 +1,18 @@
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|
// +build darwin
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|
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|
package defaults
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|
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|
// Sane defaults for the macOS/Darwin platform. The "default" options may be
|
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|
// may be replaced by the running configuration.
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|
func GetDefaults() platformDefaultParameters {
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|
return platformDefaultParameters{
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|
// Admin
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|
DefaultAdminListen: "tcp://localhost:9001",
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|
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|
// TUN/TAP
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|
MaximumIfMTU: 65535,
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|
DefaultIfMTU: 65535,
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|
DefaultIfName: "auto",
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|
DefaultIfTAPMode: false,
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|
}
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|
}
|
18
src/yggdrasil/defaults/defaults_freebsd.go
Normal file
18
src/yggdrasil/defaults/defaults_freebsd.go
Normal file
@ -0,0 +1,18 @@
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|||||||
|
// +build freebsd
|
||||||
|
|
||||||
|
package defaults
|
||||||
|
|
||||||
|
// Sane defaults for the BSD platforms. The "default" options may be
|
||||||
|
// may be replaced by the running configuration.
|
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|
func GetDefaults() platformDefaultParameters {
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||||||
|
return platformDefaultParameters{
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|
// Admin
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|
DefaultAdminListen: "tcp://localhost:9001",
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|
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|
// TUN/TAP
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|
MaximumIfMTU: 32767,
|
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|
DefaultIfMTU: 32767,
|
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|
DefaultIfName: "/dev/tap0",
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|
DefaultIfTAPMode: true,
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|
}
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|
}
|
18
src/yggdrasil/defaults/defaults_linux.go
Normal file
18
src/yggdrasil/defaults/defaults_linux.go
Normal file
@ -0,0 +1,18 @@
|
|||||||
|
// +build linux
|
||||||
|
|
||||||
|
package defaults
|
||||||
|
|
||||||
|
// Sane defaults for the Linux platform. The "default" options may be
|
||||||
|
// may be replaced by the running configuration.
|
||||||
|
func GetDefaults() platformDefaultParameters {
|
||||||
|
return platformDefaultParameters{
|
||||||
|
// Admin
|
||||||
|
DefaultAdminListen: "tcp://localhost:9001",
|
||||||
|
|
||||||
|
// TUN/TAP
|
||||||
|
MaximumIfMTU: 65535,
|
||||||
|
DefaultIfMTU: 65535,
|
||||||
|
DefaultIfName: "auto",
|
||||||
|
DefaultIfTAPMode: false,
|
||||||
|
}
|
||||||
|
}
|
18
src/yggdrasil/defaults/defaults_netbsd.go
Normal file
18
src/yggdrasil/defaults/defaults_netbsd.go
Normal file
@ -0,0 +1,18 @@
|
|||||||
|
// +build netbsd
|
||||||
|
|
||||||
|
package defaults
|
||||||
|
|
||||||
|
// Sane defaults for the BSD platforms. The "default" options may be
|
||||||
|
// may be replaced by the running configuration.
|
||||||
|
func GetDefaults() platformDefaultParameters {
|
||||||
|
return platformDefaultParameters{
|
||||||
|
// Admin
|
||||||
|
DefaultAdminListen: "tcp://localhost:9001",
|
||||||
|
|
||||||
|
// TUN/TAP
|
||||||
|
MaximumIfMTU: 9000,
|
||||||
|
DefaultIfMTU: 9000,
|
||||||
|
DefaultIfName: "/dev/tap0",
|
||||||
|
DefaultIfTAPMode: true,
|
||||||
|
}
|
||||||
|
}
|
18
src/yggdrasil/defaults/defaults_openbsd.go
Normal file
18
src/yggdrasil/defaults/defaults_openbsd.go
Normal file
@ -0,0 +1,18 @@
|
|||||||
|
// +build openbsd
|
||||||
|
|
||||||
|
package defaults
|
||||||
|
|
||||||
|
// Sane defaults for the BSD platforms. The "default" options may be
|
||||||
|
// may be replaced by the running configuration.
|
||||||
|
func GetDefaults() platformDefaultParameters {
|
||||||
|
return platformDefaultParameters{
|
||||||
|
// Admin
|
||||||
|
DefaultAdminListen: "tcp://localhost:9001",
|
||||||
|
|
||||||
|
// TUN/TAP
|
||||||
|
MaximumIfMTU: 16384,
|
||||||
|
DefaultIfMTU: 16384,
|
||||||
|
DefaultIfName: "/dev/tap0",
|
||||||
|
DefaultIfTAPMode: true,
|
||||||
|
}
|
||||||
|
}
|
18
src/yggdrasil/defaults/defaults_other.go
Normal file
18
src/yggdrasil/defaults/defaults_other.go
Normal file
@ -0,0 +1,18 @@
|
|||||||
|
// +build !linux,!darwin,!windows,!openbsd,!freebsd,!netbsd
|
||||||
|
|
||||||
|
package defaults
|
||||||
|
|
||||||
|
// Sane defaults for the other platforms. The "default" options may be
|
||||||
|
// may be replaced by the running configuration.
|
||||||
|
func GetDefaults() platformDefaultParameters {
|
||||||
|
return platformDefaultParameters{
|
||||||
|
// Admin
|
||||||
|
DefaultAdminListen: "tcp://localhost:9001",
|
||||||
|
|
||||||
|
// TUN/TAP
|
||||||
|
MaximumIfMTU: 65535,
|
||||||
|
DefaultIfMTU: 65535,
|
||||||
|
DefaultIfName: "none",
|
||||||
|
DefaultIfTAPMode: false,
|
||||||
|
}
|
||||||
|
}
|
18
src/yggdrasil/defaults/defaults_windows.go
Normal file
18
src/yggdrasil/defaults/defaults_windows.go
Normal file
@ -0,0 +1,18 @@
|
|||||||
|
// +build windows
|
||||||
|
|
||||||
|
package defaults
|
||||||
|
|
||||||
|
// Sane defaults for the Windows platform. The "default" options may be
|
||||||
|
// may be replaced by the running configuration.
|
||||||
|
func GetDefaults() platformDefaultParameters {
|
||||||
|
return platformDefaultParameters{
|
||||||
|
// Admin
|
||||||
|
DefaultAdminListen: "tcp://localhost:9001",
|
||||||
|
|
||||||
|
// TUN/TAP
|
||||||
|
MaximumIfMTU: 65535,
|
||||||
|
DefaultIfMTU: 65535,
|
||||||
|
DefaultIfName: "auto",
|
||||||
|
DefaultIfTAPMode: true,
|
||||||
|
}
|
||||||
|
}
|
@ -12,6 +12,7 @@ package yggdrasil
|
|||||||
// A little annoying to do with constant changes from backpressure
|
// A little annoying to do with constant changes from backpressure
|
||||||
|
|
||||||
import (
|
import (
|
||||||
|
"math/rand"
|
||||||
"sync"
|
"sync"
|
||||||
"sync/atomic"
|
"sync/atomic"
|
||||||
"time"
|
"time"
|
||||||
@ -595,55 +596,88 @@ type switch_packetInfo struct {
|
|||||||
// Used to keep track of buffered packets
|
// Used to keep track of buffered packets
|
||||||
type switch_buffer struct {
|
type switch_buffer struct {
|
||||||
packets []switch_packetInfo // Currently buffered packets, which may be dropped if it grows too large
|
packets []switch_packetInfo // Currently buffered packets, which may be dropped if it grows too large
|
||||||
count uint64 // Total queue size, including dropped packets
|
size uint64 // Total queue size in bytes
|
||||||
}
|
}
|
||||||
|
|
||||||
func (b *switch_buffer) dropTimedOut() {
|
type switch_buffers struct {
|
||||||
// TODO figure out what timeout makes sense
|
bufs map[string]switch_buffer // Buffers indexed by StreamID
|
||||||
const timeout = 25 * time.Millisecond
|
size uint64 // Total size of all buffers, in bytes
|
||||||
now := time.Now()
|
}
|
||||||
for len(b.packets) > 0 && now.Sub(b.packets[0].time) > timeout {
|
|
||||||
util_putBytes(b.packets[0].bytes)
|
func (b *switch_buffers) cleanup(t *switchTable) {
|
||||||
b.packets = b.packets[1:]
|
for streamID, buf := range b.bufs {
|
||||||
|
// Remove queues for which we have no next hop
|
||||||
|
packet := buf.packets[0]
|
||||||
|
coords := switch_getPacketCoords(packet.bytes)
|
||||||
|
if t.selfIsClosest(coords) {
|
||||||
|
for _, packet := range buf.packets {
|
||||||
|
util_putBytes(packet.bytes)
|
||||||
|
}
|
||||||
|
b.size -= buf.size
|
||||||
|
delete(b.bufs, streamID)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
const maxSize = 4 * 1048576 // Maximum 4 MB
|
||||||
|
for b.size > maxSize {
|
||||||
|
// Drop a random queue
|
||||||
|
target := rand.Uint64() % b.size
|
||||||
|
var size uint64 // running total
|
||||||
|
for streamID, buf := range b.bufs {
|
||||||
|
size += buf.size
|
||||||
|
if size < target {
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
var packet switch_packetInfo
|
||||||
|
packet, buf.packets = buf.packets[0], buf.packets[1:]
|
||||||
|
buf.size -= uint64(len(packet.bytes))
|
||||||
|
b.size -= uint64(len(packet.bytes))
|
||||||
|
util_putBytes(packet.bytes)
|
||||||
|
if len(buf.packets) == 0 {
|
||||||
|
delete(b.bufs, streamID)
|
||||||
|
} else {
|
||||||
|
// Need to update the map, since buf was retrieved by value
|
||||||
|
b.bufs[streamID] = buf
|
||||||
|
}
|
||||||
|
break
|
||||||
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// Handles incoming idle notifications
|
// Handles incoming idle notifications
|
||||||
// Loops over packets and sends the newest one that's OK for this peer to send
|
// Loops over packets and sends the newest one that's OK for this peer to send
|
||||||
// Returns true if the peer is no longer idle, false if it should be added to the idle list
|
// Returns true if the peer is no longer idle, false if it should be added to the idle list
|
||||||
func (t *switchTable) handleIdle(port switchPort, buffs map[string]switch_buffer) bool {
|
func (t *switchTable) handleIdle(port switchPort, bufs *switch_buffers) bool {
|
||||||
to := t.core.peers.getPorts()[port]
|
to := t.core.peers.getPorts()[port]
|
||||||
if to == nil {
|
if to == nil {
|
||||||
return true
|
return true
|
||||||
}
|
}
|
||||||
var best string
|
var best string
|
||||||
var bestSize uint64
|
var bestPriority float64
|
||||||
for streamID, buf := range buffs {
|
bufs.cleanup(t)
|
||||||
|
now := time.Now()
|
||||||
|
for streamID, buf := range bufs.bufs {
|
||||||
// Filter over the streams that this node is closer to
|
// Filter over the streams that this node is closer to
|
||||||
// Keep the one with the smallest queue
|
// Keep the one with the smallest queue
|
||||||
buf.dropTimedOut()
|
|
||||||
if len(buf.packets) == 0 {
|
|
||||||
delete(buffs, streamID)
|
|
||||||
continue
|
|
||||||
}
|
|
||||||
buffs[streamID] = buf
|
|
||||||
packet := buf.packets[0]
|
packet := buf.packets[0]
|
||||||
coords := switch_getPacketCoords(packet.bytes)
|
coords := switch_getPacketCoords(packet.bytes)
|
||||||
if (bestSize == 0 || buf.count < bestSize) && t.portIsCloser(coords, port) {
|
priority := float64(now.Sub(packet.time)) / float64(buf.size)
|
||||||
|
if priority > bestPriority && t.portIsCloser(coords, port) {
|
||||||
best = streamID
|
best = streamID
|
||||||
bestSize = buf.count
|
bestPriority = priority
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
if bestSize != 0 {
|
if bestPriority != 0 {
|
||||||
buf := buffs[best]
|
buf := bufs.bufs[best]
|
||||||
var packet switch_packetInfo
|
var packet switch_packetInfo
|
||||||
// TODO decide if this should be LIFO or FIFO
|
// TODO decide if this should be LIFO or FIFO
|
||||||
packet, buf.packets = buf.packets[0], buf.packets[1:]
|
packet, buf.packets = buf.packets[0], buf.packets[1:]
|
||||||
buf.count--
|
buf.size -= uint64(len(packet.bytes))
|
||||||
|
bufs.size -= uint64(len(packet.bytes))
|
||||||
if len(buf.packets) == 0 {
|
if len(buf.packets) == 0 {
|
||||||
delete(buffs, best)
|
delete(bufs.bufs, best)
|
||||||
} else {
|
} else {
|
||||||
buffs[best] = buf
|
// Need to update the map, since buf was retrieved by value
|
||||||
|
bufs.bufs[best] = buf
|
||||||
}
|
}
|
||||||
to.sendPacket(packet.bytes)
|
to.sendPacket(packet.bytes)
|
||||||
return true
|
return true
|
||||||
@ -654,25 +688,27 @@ func (t *switchTable) handleIdle(port switchPort, buffs map[string]switch_buffer
|
|||||||
|
|
||||||
// The switch worker does routing lookups and sends packets to where they need to be
|
// The switch worker does routing lookups and sends packets to where they need to be
|
||||||
func (t *switchTable) doWorker() {
|
func (t *switchTable) doWorker() {
|
||||||
buffs := make(map[string]switch_buffer) // Packets per PacketStreamID (string)
|
var bufs switch_buffers
|
||||||
idle := make(map[switchPort]struct{}) // this is to deduplicate things
|
bufs.bufs = make(map[string]switch_buffer) // Packets per PacketStreamID (string)
|
||||||
|
idle := make(map[switchPort]struct{}) // this is to deduplicate things
|
||||||
for {
|
for {
|
||||||
select {
|
select {
|
||||||
case packet := <-t.packetIn:
|
case bytes := <-t.packetIn:
|
||||||
// Try to send it somewhere (or drop it if it's corrupt or at a dead end)
|
// Try to send it somewhere (or drop it if it's corrupt or at a dead end)
|
||||||
if !t.handleIn(packet, idle) {
|
if !t.handleIn(bytes, idle) {
|
||||||
// There's nobody free to take it right now, so queue it for later
|
// There's nobody free to take it right now, so queue it for later
|
||||||
streamID := switch_getPacketStreamID(packet)
|
packet := switch_packetInfo{bytes, time.Now()}
|
||||||
buf := buffs[streamID]
|
streamID := switch_getPacketStreamID(packet.bytes)
|
||||||
buf.dropTimedOut()
|
buf := bufs.bufs[streamID]
|
||||||
pinfo := switch_packetInfo{packet, time.Now()}
|
buf.packets = append(buf.packets, packet)
|
||||||
buf.packets = append(buf.packets, pinfo)
|
buf.size += uint64(len(packet.bytes))
|
||||||
buf.count++
|
bufs.size += uint64(len(packet.bytes))
|
||||||
buffs[streamID] = buf
|
bufs.bufs[streamID] = buf
|
||||||
|
bufs.cleanup(t)
|
||||||
}
|
}
|
||||||
case port := <-t.idleIn:
|
case port := <-t.idleIn:
|
||||||
// Try to find something to send to this peer
|
// Try to find something to send to this peer
|
||||||
if !t.handleIdle(port, buffs) {
|
if !t.handleIdle(port, &bufs) {
|
||||||
// Didn't find anything ready to send yet, so stay idle
|
// Didn't find anything ready to send yet, so stay idle
|
||||||
idle[port] = struct{}{}
|
idle[port] = struct{}{}
|
||||||
}
|
}
|
||||||
|
@ -3,6 +3,8 @@ package yggdrasil
|
|||||||
// This manages the tun driver to send/recv packets to/from applications
|
// This manages the tun driver to send/recv packets to/from applications
|
||||||
|
|
||||||
import (
|
import (
|
||||||
|
"yggdrasil/defaults"
|
||||||
|
|
||||||
"github.com/songgao/packets/ethernet"
|
"github.com/songgao/packets/ethernet"
|
||||||
"github.com/yggdrasil-network/water"
|
"github.com/yggdrasil-network/water"
|
||||||
)
|
)
|
||||||
@ -20,21 +22,11 @@ type tunDevice struct {
|
|||||||
iface *water.Interface
|
iface *water.Interface
|
||||||
}
|
}
|
||||||
|
|
||||||
// Defines which parameters are expected by default for a TUN/TAP adapter on a
|
|
||||||
// specific platform. These values are populated in the relevant tun_*.go for
|
|
||||||
// the platform being targeted. They must be set.
|
|
||||||
type tunDefaultParameters struct {
|
|
||||||
maximumIfMTU int
|
|
||||||
defaultIfMTU int
|
|
||||||
defaultIfName string
|
|
||||||
defaultIfTAPMode bool
|
|
||||||
}
|
|
||||||
|
|
||||||
// Gets the maximum supported MTU for the platform based on the defaults in
|
// Gets the maximum supported MTU for the platform based on the defaults in
|
||||||
// getDefaults().
|
// defaults.GetDefaults().
|
||||||
func getSupportedMTU(mtu int) int {
|
func getSupportedMTU(mtu int) int {
|
||||||
if mtu > getDefaults().maximumIfMTU {
|
if mtu > defaults.GetDefaults().MaximumIfMTU {
|
||||||
return getDefaults().maximumIfMTU
|
return defaults.GetDefaults().MaximumIfMTU
|
||||||
}
|
}
|
||||||
return mtu
|
return mtu
|
||||||
}
|
}
|
||||||
|
@ -13,17 +13,6 @@ import (
|
|||||||
water "github.com/yggdrasil-network/water"
|
water "github.com/yggdrasil-network/water"
|
||||||
)
|
)
|
||||||
|
|
||||||
// Sane defaults for the Darwin/macOS platform. The "default" options may be
|
|
||||||
// may be replaced by the running configuration.
|
|
||||||
func getDefaults() tunDefaultParameters {
|
|
||||||
return tunDefaultParameters{
|
|
||||||
maximumIfMTU: 65535,
|
|
||||||
defaultIfMTU: 65535,
|
|
||||||
defaultIfName: "auto",
|
|
||||||
defaultIfTAPMode: false,
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Configures the "utun" adapter with the correct IPv6 address and MTU.
|
// Configures the "utun" adapter with the correct IPv6 address and MTU.
|
||||||
func (tun *tunDevice) setup(ifname string, iftapmode bool, addr string, mtu int) error {
|
func (tun *tunDevice) setup(ifname string, iftapmode bool, addr string, mtu int) error {
|
||||||
if iftapmode {
|
if iftapmode {
|
||||||
|
@ -1,12 +0,0 @@
|
|||||||
package yggdrasil
|
|
||||||
|
|
||||||
// Sane defaults for the FreeBSD platform. The "default" options may be
|
|
||||||
// may be replaced by the running configuration.
|
|
||||||
func getDefaults() tunDefaultParameters {
|
|
||||||
return tunDefaultParameters{
|
|
||||||
maximumIfMTU: 32767,
|
|
||||||
defaultIfMTU: 32767,
|
|
||||||
defaultIfName: "/dev/tap0",
|
|
||||||
defaultIfTAPMode: true,
|
|
||||||
}
|
|
||||||
}
|
|
@ -12,17 +12,6 @@ import (
|
|||||||
water "github.com/yggdrasil-network/water"
|
water "github.com/yggdrasil-network/water"
|
||||||
)
|
)
|
||||||
|
|
||||||
// Sane defaults for the Linux platform. The "default" options may be
|
|
||||||
// may be replaced by the running configuration.
|
|
||||||
func getDefaults() tunDefaultParameters {
|
|
||||||
return tunDefaultParameters{
|
|
||||||
maximumIfMTU: 65535,
|
|
||||||
defaultIfMTU: 65535,
|
|
||||||
defaultIfName: "auto",
|
|
||||||
defaultIfTAPMode: false,
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Configures the TAP adapter with the correct IPv6 address and MTU.
|
// Configures the TAP adapter with the correct IPv6 address and MTU.
|
||||||
func (tun *tunDevice) setup(ifname string, iftapmode bool, addr string, mtu int) error {
|
func (tun *tunDevice) setup(ifname string, iftapmode bool, addr string, mtu int) error {
|
||||||
var config water.Config
|
var config water.Config
|
||||||
|
@ -1,12 +0,0 @@
|
|||||||
package yggdrasil
|
|
||||||
|
|
||||||
// Sane defaults for the NetBSD platform. The "default" options may be
|
|
||||||
// may be replaced by the running configuration.
|
|
||||||
func getDefaults() tunDefaultParameters {
|
|
||||||
return tunDefaultParameters{
|
|
||||||
maximumIfMTU: 9000,
|
|
||||||
defaultIfMTU: 9000,
|
|
||||||
defaultIfName: "/dev/tap0",
|
|
||||||
defaultIfTAPMode: true,
|
|
||||||
}
|
|
||||||
}
|
|
@ -1,12 +0,0 @@
|
|||||||
package yggdrasil
|
|
||||||
|
|
||||||
// Sane defaults for the OpenBSD platform. The "default" options may be
|
|
||||||
// may be replaced by the running configuration.
|
|
||||||
func getDefaults() tunDefaultParameters {
|
|
||||||
return tunDefaultParameters{
|
|
||||||
maximumIfMTU: 16384,
|
|
||||||
defaultIfMTU: 16384,
|
|
||||||
defaultIfName: "/dev/tap0",
|
|
||||||
defaultIfTAPMode: true,
|
|
||||||
}
|
|
||||||
}
|
|
@ -7,17 +7,6 @@ import water "github.com/yggdrasil-network/water"
|
|||||||
// This is to catch unsupported platforms
|
// This is to catch unsupported platforms
|
||||||
// If your platform supports tun devices, you could try configuring it manually
|
// If your platform supports tun devices, you could try configuring it manually
|
||||||
|
|
||||||
// These are sane defaults for any platform that has not been matched by one of
|
|
||||||
// the other tun_*.go files.
|
|
||||||
func getDefaults() tunDefaultParameters {
|
|
||||||
return tunDefaultParameters{
|
|
||||||
maximumIfMTU: 65535,
|
|
||||||
defaultIfMTU: 65535,
|
|
||||||
defaultIfName: "none",
|
|
||||||
defaultIfTAPMode: false,
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Creates the TUN/TAP adapter, if supported by the Water library. Note that
|
// Creates the TUN/TAP adapter, if supported by the Water library. Note that
|
||||||
// no guarantees are made at this point on an unsupported platform.
|
// no guarantees are made at this point on an unsupported platform.
|
||||||
func (tun *tunDevice) setup(ifname string, iftapmode bool, addr string, mtu int) error {
|
func (tun *tunDevice) setup(ifname string, iftapmode bool, addr string, mtu int) error {
|
||||||
|
@ -10,17 +10,6 @@ import (
|
|||||||
|
|
||||||
// This is to catch Windows platforms
|
// This is to catch Windows platforms
|
||||||
|
|
||||||
// Sane defaults for the Windows platform. The "default" options may be
|
|
||||||
// may be replaced by the running configuration.
|
|
||||||
func getDefaults() tunDefaultParameters {
|
|
||||||
return tunDefaultParameters{
|
|
||||||
maximumIfMTU: 65535,
|
|
||||||
defaultIfMTU: 65535,
|
|
||||||
defaultIfName: "auto",
|
|
||||||
defaultIfTAPMode: true,
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Configures the TAP adapter with the correct IPv6 address and MTU. On Windows
|
// Configures the TAP adapter with the correct IPv6 address and MTU. On Windows
|
||||||
// we don't make use of a direct operating system API to do this - we instead
|
// we don't make use of a direct operating system API to do this - we instead
|
||||||
// delegate the hard work to "netsh".
|
// delegate the hard work to "netsh".
|
||||||
|
@ -23,6 +23,7 @@ import (
|
|||||||
|
|
||||||
"yggdrasil"
|
"yggdrasil"
|
||||||
"yggdrasil/config"
|
"yggdrasil/config"
|
||||||
|
"yggdrasil/defaults"
|
||||||
)
|
)
|
||||||
|
|
||||||
type nodeConfig = config.NodeConfig
|
type nodeConfig = config.NodeConfig
|
||||||
@ -53,7 +54,7 @@ func generateConfig(isAutoconf bool) *nodeConfig {
|
|||||||
r1 := rand.New(rand.NewSource(time.Now().UnixNano()))
|
r1 := rand.New(rand.NewSource(time.Now().UnixNano()))
|
||||||
cfg.Listen = fmt.Sprintf("[::]:%d", r1.Intn(65534-32768)+32768)
|
cfg.Listen = fmt.Sprintf("[::]:%d", r1.Intn(65534-32768)+32768)
|
||||||
}
|
}
|
||||||
cfg.AdminListen = "localhost:9001"
|
cfg.AdminListen = defaults.GetDefaults().DefaultAdminListen
|
||||||
cfg.EncryptionPublicKey = hex.EncodeToString(bpub[:])
|
cfg.EncryptionPublicKey = hex.EncodeToString(bpub[:])
|
||||||
cfg.EncryptionPrivateKey = hex.EncodeToString(bpriv[:])
|
cfg.EncryptionPrivateKey = hex.EncodeToString(bpriv[:])
|
||||||
cfg.SigningPublicKey = hex.EncodeToString(spub[:])
|
cfg.SigningPublicKey = hex.EncodeToString(spub[:])
|
||||||
@ -61,9 +62,9 @@ func generateConfig(isAutoconf bool) *nodeConfig {
|
|||||||
cfg.Peers = []string{}
|
cfg.Peers = []string{}
|
||||||
cfg.AllowedEncryptionPublicKeys = []string{}
|
cfg.AllowedEncryptionPublicKeys = []string{}
|
||||||
cfg.MulticastInterfaces = []string{".*"}
|
cfg.MulticastInterfaces = []string{".*"}
|
||||||
cfg.IfName = core.GetTUNDefaultIfName()
|
cfg.IfName = defaults.GetDefaults().DefaultIfName
|
||||||
cfg.IfMTU = core.GetTUNDefaultIfMTU()
|
cfg.IfMTU = defaults.GetDefaults().DefaultIfMTU
|
||||||
cfg.IfTAPMode = core.GetTUNDefaultIfTAPMode()
|
cfg.IfTAPMode = defaults.GetDefaults().DefaultIfTAPMode
|
||||||
|
|
||||||
return &cfg
|
return &cfg
|
||||||
}
|
}
|
||||||
|
@ -1,31 +1,49 @@
|
|||||||
package main
|
package main
|
||||||
|
|
||||||
|
import "errors"
|
||||||
import "flag"
|
import "flag"
|
||||||
import "fmt"
|
import "fmt"
|
||||||
import "strings"
|
import "strings"
|
||||||
import "net"
|
import "net"
|
||||||
|
import "net/url"
|
||||||
import "sort"
|
import "sort"
|
||||||
import "encoding/json"
|
import "encoding/json"
|
||||||
import "strconv"
|
import "strconv"
|
||||||
import "os"
|
import "os"
|
||||||
|
|
||||||
|
import "yggdrasil/defaults"
|
||||||
|
|
||||||
type admin_info map[string]interface{}
|
type admin_info map[string]interface{}
|
||||||
|
|
||||||
func main() {
|
func main() {
|
||||||
server := flag.String("endpoint", "localhost:9001", "Admin socket endpoint")
|
server := flag.String("endpoint", defaults.GetDefaults().DefaultAdminListen, "Admin socket endpoint")
|
||||||
injson := flag.Bool("json", false, "Output in JSON format")
|
injson := flag.Bool("json", false, "Output in JSON format")
|
||||||
flag.Parse()
|
flag.Parse()
|
||||||
args := flag.Args()
|
args := flag.Args()
|
||||||
|
|
||||||
if len(args) == 0 {
|
if len(args) == 0 {
|
||||||
fmt.Println("usage:", os.Args[0], "[-endpoint=localhost:9001] [-json] command [key=value] [...]")
|
fmt.Println("usage:", os.Args[0], "[-endpoint=proto://server] [-json] command [key=value] [...]")
|
||||||
fmt.Println("example:", os.Args[0], "getPeers")
|
fmt.Println("example:", os.Args[0], "getPeers")
|
||||||
fmt.Println("example:", os.Args[0], "setTunTap name=auto mtu=1500 tap_mode=false")
|
fmt.Println("example:", os.Args[0], "setTunTap name=auto mtu=1500 tap_mode=false")
|
||||||
fmt.Println("example:", os.Args[0], "-endpoint=localhost:9001 getDHT")
|
fmt.Println("example:", os.Args[0], "-endpoint=tcp://localhost:9001 getDHT")
|
||||||
|
fmt.Println("example:", os.Args[0], "-endpoint=unix:///var/run/ygg.sock getDHT")
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
conn, err := net.Dial("tcp", *server)
|
var conn net.Conn
|
||||||
|
u, err := url.Parse(*server)
|
||||||
|
if err == nil {
|
||||||
|
switch strings.ToLower(u.Scheme) {
|
||||||
|
case "unix":
|
||||||
|
conn, err = net.Dial("unix", (*server)[7:])
|
||||||
|
case "tcp":
|
||||||
|
conn, err = net.Dial("tcp", u.Host)
|
||||||
|
default:
|
||||||
|
err = errors.New("protocol not supported")
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
conn, err = net.Dial("tcp", *server)
|
||||||
|
}
|
||||||
if err != nil {
|
if err != nil {
|
||||||
panic(err)
|
panic(err)
|
||||||
}
|
}
|
||||||
|
Loading…
Reference in New Issue
Block a user