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https://github.com/cwinfo/yggdrasil-go.git
synced 2024-12-23 05:15:39 +00:00
Add some comments, move AWDL functions to iOS-specific build tags
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parent
a371e34a18
commit
e24e859254
@ -3,9 +3,7 @@
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package yggdrasil
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import (
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"encoding/hex"
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"encoding/json"
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"errors"
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"log"
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"os"
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"regexp"
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@ -14,7 +12,6 @@ import (
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hjson "github.com/hjson/hjson-go"
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"github.com/mitchellh/mapstructure"
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"github.com/yggdrasil-network/yggdrasil-go/src/config"
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"github.com/yggdrasil-network/yggdrasil-go/src/crypto"
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"github.com/yggdrasil-network/yggdrasil-go/src/util"
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)
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@ -43,6 +40,7 @@ func (c *Core) addStaticPeers(cfg *config.NodeConfig) {
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}
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}
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// Starts a node with a randomly generated config.
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func (c *Core) StartAutoconfigure() error {
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mobilelog := MobileLogger{}
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logger := log.New(mobilelog, "", 0)
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@ -64,6 +62,8 @@ func (c *Core) StartAutoconfigure() error {
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return nil
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}
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// Starts a node with the given JSON config. You can get JSON config (rather
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// than HJSON) by using the GenerateConfigJSON() function.
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func (c *Core) StartJSON(configjson []byte) error {
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mobilelog := MobileLogger{}
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logger := log.New(mobilelog, "", 0)
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@ -92,6 +92,7 @@ func (c *Core) StartJSON(configjson []byte) error {
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return nil
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}
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// Generates mobile-friendly configuration in JSON format.
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func GenerateConfigJSON() []byte {
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nc := config.GenerateConfig(false)
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nc.IfName = "dummy"
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@ -102,90 +103,30 @@ func GenerateConfigJSON() []byte {
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}
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}
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// Gets the node's IPv6 address.
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func (c *Core) GetAddressString() string {
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return c.GetAddress().String()
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}
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// Gets the node's IPv6 subnet in CIDR notation.
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func (c *Core) GetSubnetString() string {
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return c.GetSubnet().String()
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}
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// Wait for a packet from the router. You will use this when implementing a
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// dummy adapter in place of real TUN - when this call returns a packet, you
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// will probably want to give it to the OS to write to TUN.
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func (c *Core) RouterRecvPacket() ([]byte, error) {
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packet := <-c.router.tun.recv
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return packet, nil
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}
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// Send a packet to the router. You will use this when implementing a
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// dummy adapter in place of real TUN - when the operating system tells you
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// that a new packet is available from TUN, call this function to give it to
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// Yggdrasil.
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func (c *Core) RouterSendPacket(buf []byte) error {
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packet := append(util.GetBytes(), buf[:]...)
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c.router.tun.send <- packet
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return nil
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}
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func (c *Core) AWDLCreateInterface(boxPubKey string, sigPubKey string, name string) error {
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fromAWDL := make(chan []byte, 32)
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toAWDL := make(chan []byte, 32)
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var boxPub crypto.BoxPubKey
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var sigPub crypto.SigPubKey
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boxPubHex, err := hex.DecodeString(boxPubKey)
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if err != nil {
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c.log.Println(err)
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return err
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}
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sigPubHex, err := hex.DecodeString(sigPubKey)
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if err != nil {
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c.log.Println(err)
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return err
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}
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copy(boxPub[:], boxPubHex)
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copy(sigPub[:], sigPubHex)
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if intf, err := c.awdl.create(fromAWDL, toAWDL, &boxPub, &sigPub, name); err == nil {
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if intf != nil {
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c.log.Println(err)
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return err
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} else {
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c.log.Println("c.awdl.create didn't return an interface")
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return errors.New("c.awdl.create didn't return an interface")
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}
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} else {
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c.log.Println(err)
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return err
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}
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}
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func (c *Core) AWDLCreateInterfaceFromContext(context []byte, name string) error {
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if len(context) < crypto.BoxPubKeyLen+crypto.SigPubKeyLen {
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return errors.New("Not enough bytes in context")
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}
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boxPubKey := hex.EncodeToString(context[:crypto.BoxPubKeyLen])
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sigPubKey := hex.EncodeToString(context[crypto.BoxPubKeyLen:])
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return c.AWDLCreateInterface(boxPubKey, sigPubKey, name)
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}
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func (c *Core) AWDLShutdownInterface(name string) error {
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return c.awdl.shutdown(name)
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}
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func (c *Core) AWDLRecvPacket(identity string) ([]byte, error) {
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if intf := c.awdl.getInterface(identity); intf != nil {
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return <-intf.toAWDL, nil
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}
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return nil, errors.New("AWDLRecvPacket identity not known: " + identity)
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}
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func (c *Core) AWDLSendPacket(identity string, buf []byte) error {
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packet := append(util.GetBytes(), buf[:]...)
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if intf := c.awdl.getInterface(identity); intf != nil {
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intf.fromAWDL <- packet
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return nil
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}
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return errors.New("AWDLSendPacket identity not known: " + identity)
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}
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func (c *Core) AWDLConnectionContext() []byte {
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var context []byte
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context = append(context, c.boxPub[:]...)
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context = append(context, c.sigPub[:]...)
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return context
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}
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@ -12,7 +12,14 @@ void Log(const char *text) {
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}
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*/
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import "C"
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import "unsafe"
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import (
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"encoding/hex"
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"errors"
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"unsafe"
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"github.com/yggdrasil-network/yggdrasil-go/src/crypto"
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"github.com/yggdrasil-network/yggdrasil-go/src/util"
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)
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type MobileLogger struct {
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}
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@ -23,3 +30,72 @@ func (nsl MobileLogger) Write(p []byte) (n int, err error) {
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C.Log(cstr)
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return len(p), nil
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}
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func (c *Core) AWDLCreateInterface(boxPubKey string, sigPubKey string, name string) error {
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fromAWDL := make(chan []byte, 32)
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toAWDL := make(chan []byte, 32)
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var boxPub crypto.BoxPubKey
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var sigPub crypto.SigPubKey
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boxPubHex, err := hex.DecodeString(boxPubKey)
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if err != nil {
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c.log.Println(err)
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return err
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}
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sigPubHex, err := hex.DecodeString(sigPubKey)
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if err != nil {
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c.log.Println(err)
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return err
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}
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copy(boxPub[:], boxPubHex)
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copy(sigPub[:], sigPubHex)
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if intf, err := c.awdl.create(fromAWDL, toAWDL, &boxPub, &sigPub, name); err == nil {
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if intf != nil {
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c.log.Println(err)
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return err
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} else {
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c.log.Println("c.awdl.create didn't return an interface")
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return errors.New("c.awdl.create didn't return an interface")
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}
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} else {
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c.log.Println(err)
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return err
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}
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}
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func (c *Core) AWDLCreateInterfaceFromContext(context []byte, name string) error {
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if len(context) < crypto.BoxPubKeyLen+crypto.SigPubKeyLen {
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return errors.New("Not enough bytes in context")
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}
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boxPubKey := hex.EncodeToString(context[:crypto.BoxPubKeyLen])
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sigPubKey := hex.EncodeToString(context[crypto.BoxPubKeyLen:])
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return c.AWDLCreateInterface(boxPubKey, sigPubKey, name)
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}
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func (c *Core) AWDLShutdownInterface(name string) error {
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return c.awdl.shutdown(name)
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}
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func (c *Core) AWDLRecvPacket(identity string) ([]byte, error) {
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if intf := c.awdl.getInterface(identity); intf != nil {
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return <-intf.toAWDL, nil
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}
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return nil, errors.New("AWDLRecvPacket identity not known: " + identity)
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}
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func (c *Core) AWDLSendPacket(identity string, buf []byte) error {
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packet := append(util.GetBytes(), buf[:]...)
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if intf := c.awdl.getInterface(identity); intf != nil {
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intf.fromAWDL <- packet
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return nil
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}
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return errors.New("AWDLSendPacket identity not known: " + identity)
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}
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func (c *Core) AWDLConnectionContext() []byte {
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var context []byte
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context = append(context, c.boxPub[:]...)
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context = append(context, c.sigPub[:]...)
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return context
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}
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