Try to perform TCP-like key exchange

src/yggdrasil/awdl.go

@@ -34,8 +34,16 @@ func (l *awdl) init(c *Core) error {
 	return nil
 }
 
-func (l *awdl) create(fromAWDL chan []byte, toAWDL chan []byte, boxPubKey *crypto.BoxPubKey, sigPubKey *crypto.SigPubKey, name string) (*awdlInterface, error) {
+func (l *awdl) create(fromAWDL chan []byte, toAWDL chan []byte /*boxPubKey *crypto.BoxPubKey, sigPubKey *crypto.SigPubKey*/, name string) (*awdlInterface, error) {
-	/*
+	intf := awdlInterface{
+		awdl:     l,
+		fromAWDL: fromAWDL,
+		toAWDL:   toAWDL,
+		shutdown: make(chan bool),
+	}
+	l.mutex.Lock()
+	l.interfaces[name] = &intf
+	l.mutex.Unlock()
 	myLinkPub, myLinkPriv := crypto.NewBoxKeys()
 	meta := version_getBaseMetadata()
 	meta.box = l.core.boxPub
@@ -51,25 +59,17 @@ func (l *awdl) create(fromAWDL chan []byte, toAWDL chan []byte, boxPubKey *crypt
 	if !meta.decode(metaBytes) || !meta.check() {
 		return nil, errors.New("Metadata decode failure")
 	}
+	l.core.log.Println("version_getBaseMetadata{}")
 	base := version_getBaseMetadata()
 	if meta.ver > base.ver || meta.ver == base.ver && meta.minorVer > base.minorVer {
 		return nil, errors.New("Failed to connect to node: " + name + " version: " + fmt.Sprintf("%d.%d", meta.ver, meta.minorVer))
 	}
+	l.core.log.Println("crypto.GetSharedKey")
 	shared := crypto.GetSharedKey(myLinkPriv, &meta.link)
-	*/
+	//shared := crypto.GetSharedKey(&l.core.boxPriv, boxPubKey)
-	shared := crypto.GetSharedKey(&l.core.boxPriv, boxPubKey)
+	l.core.log.Println("l.core.peers.newPeer")
-	intf := awdlInterface{
+	intf.peer = l.core.peers.newPeer(&meta.box, &meta.sig, shared, name)
-		awdl:     l,
-		fromAWDL: fromAWDL,
-		toAWDL:   toAWDL,
-		shutdown: make(chan bool),
-		peer:     l.core.peers.newPeer(boxPubKey, sigPubKey, shared, name),
-		//peer:     l.core.peers.newPeer(&meta.box, &meta.sig, shared, name),
-	}
 	if intf.peer != nil {
-		l.mutex.Lock()
-		l.interfaces[name] = &intf
-		l.mutex.Unlock()
 		intf.peer.linkOut = make(chan []byte, 1) // protocol traffic
 		intf.peer.out = func(msg []byte) {
 			defer func() { recover() }()
@@ -84,6 +84,7 @@ func (l *awdl) create(fromAWDL chan []byte, toAWDL chan []byte, boxPubKey *crypt
 		go intf.peer.linkLoop()
 		return &intf, nil
 	}
+	delete(l.interfaces, name)
 	return nil, errors.New("l.core.peers.newPeer failed")
 }
 

src/yggdrasil/mobile_ios.go

@@ -13,11 +13,9 @@ void Log(const char *text) {
 */
 import "C"
 import (
-	"encoding/hex"
 	"errors"
 	"unsafe"
 
-	"github.com/yggdrasil-network/yggdrasil-go/src/crypto"
 	"github.com/yggdrasil-network/yggdrasil-go/src/util"
 )
 
@@ -31,26 +29,11 @@ func (nsl MobileLogger) Write(p []byte) (n int, err error) {
 	return len(p), nil
 }
 
-func (c *Core) AWDLCreateInterface(boxPubKey string, sigPubKey string, name string) error {
+func (c *Core) AWDLCreateInterface(name string) error {
 	fromAWDL := make(chan []byte, 32)
 	toAWDL := make(chan []byte, 32)
 
-	var boxPub crypto.BoxPubKey
+	if intf, err := c.awdl.create(fromAWDL, toAWDL, name); err == nil {
-	var sigPub crypto.SigPubKey
-	boxPubHex, err := hex.DecodeString(boxPubKey)
-	if err != nil {
-		c.log.Println(err)
-		return err
-	}
-	sigPubHex, err := hex.DecodeString(sigPubKey)
-	if err != nil {
-		c.log.Println(err)
-		return err
-	}
-	copy(boxPub[:], boxPubHex)
-	copy(sigPub[:], sigPubHex)
-
-	if intf, err := c.awdl.create(fromAWDL, toAWDL, &boxPub, &sigPub, name); err == nil {
 		if intf != nil {
 			c.log.Println(err)
 			return err