Add contexts

src/yggdrasil/awdl.go

@@ -34,14 +34,37 @@ func (l *awdl) init(c *Core) error {
 	return nil
 }
 
-func (l *awdl) create(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) {
+	/*
+		myLinkPub, myLinkPriv := crypto.NewBoxKeys()
+		meta := version_getBaseMetadata()
+		meta.box = l.core.boxPub
+		meta.sig = l.core.sigPub
+		meta.link = *myLinkPub
+		metaBytes := meta.encode()
+		l.core.log.Println("toAWDL <- metaBytes")
+		toAWDL <- metaBytes
+		l.core.log.Println("metaBytes = <-fromAWDL")
+		metaBytes = <-fromAWDL
+		l.core.log.Println("version_metadata{}")
+		meta = version_metadata{}
+		if !meta.decode(metaBytes) || !meta.check() {
+			return nil, errors.New("Metadata decode failure")
+		}
+		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))
+		}
+		shared := crypto.GetSharedKey(myLinkPriv, &meta.link)
+	*/
 	shared := crypto.GetSharedKey(&l.core.boxPriv, boxPubKey)
 	intf := awdlInterface{
 		awdl:     l,
-		fromAWDL: make(chan []byte, 32),
-		toAWDL:   make(chan []byte, 32),
+		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()
@@ -57,8 +80,8 @@ func (l *awdl) create(boxPubKey *crypto.BoxPubKey, sigPubKey *crypto.SigPubKey,
 			close(intf.fromAWDL)
 			close(intf.toAWDL)
 		}
-		go intf.handler()       // start listening for packets from switch
-		go intf.peer.linkLoop() // start link loop
+		go intf.handler()
+		go intf.peer.linkLoop()
 		return &intf, nil
 	}
 	return nil, errors.New("l.core.peers.newPeer failed")

src/yggdrasil/mobile.go

@@ -98,29 +98,47 @@ func (c *Core) RouterSendPacket(buf []byte) error {
 }
 
 func (c *Core) AWDLCreateInterface(boxPubKey string, sigPubKey string, name string) error {
+	fromAWDL := make(chan []byte, 32)
+	toAWDL := make(chan []byte, 32)
+
 	var boxPub crypto.BoxPubKey
 	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(&boxPub, &sigPub, name); err == nil {
+
+	if intf, err := c.awdl.create(fromAWDL, toAWDL, &boxPub, &sigPub, name); err == nil {
 		if intf != nil {
+			c.log.Println(err)
 			return err
 		} else {
+			c.log.Println("c.awdl.create didn't return an interface")
 			return errors.New("c.awdl.create didn't return an interface")
 		}
 	} else {
+		c.log.Println(err)
 		return err
 	}
 }
 
+func (c *Core) AWDLCreateInterfaceFromContext(context []byte, name string) error {
+	if len(context) < crypto.BoxPubKeyLen+crypto.SigPubKeyLen {
+		return errors.New("Not enough bytes in context")
+	}
+	boxPubKey := hex.EncodeToString(context[:crypto.BoxPubKeyLen])
+	sigPubKey := hex.EncodeToString(context[crypto.BoxPubKeyLen:])
+	return c.AWDLCreateInterface(boxPubKey, sigPubKey, name)
+}
+
 func (c *Core) AWDLShutdownInterface(name string) error {
 	return c.awdl.shutdown(name)
 }
@@ -129,7 +147,7 @@ func (c *Core) AWDLRecvPacket(identity string) ([]byte, error) {
 	if intf := c.awdl.getInterface(identity); intf != nil {
 		return <-intf.toAWDL, nil
 	}
-	return nil, errors.New("identity not known: " + identity)
+	return nil, errors.New("AWDLRecvPacket identity not known: " + identity)
 }
 
 func (c *Core) AWDLSendPacket(identity string, buf []byte) error {
@@ -138,5 +156,12 @@ func (c *Core) AWDLSendPacket(identity string, buf []byte) error {
 		intf.fromAWDL <- packet
 		return nil
 	}
-	return errors.New("identity not known: " + identity)
+	return errors.New("AWDLSendPacket identity not known: " + identity)
+}
+
+func (c *Core) AWDLConnectionContext() []byte {
+	var context []byte
+	context = append(context, c.boxPub[:]...)
+	context = append(context, c.sigPub[:]...)
+	return context
 }