Update yggdrasil-go version to 0.4.3

appveyor.yml

@@ -9,8 +9,11 @@ environment:
   CHERE_INVOKING: enabled_from_arguments
 
 build_script:
-- cmd: >-
-    cd %APPVEYOR_BUILD_FOLDER%
+- cmd: cd %APPVEYOR_BUILD_FOLDER%
+- curl -o C:\projects\golang.zip https://dl.google.com/go/go1.17.5.windows-amd64.zip
+- 7z x C:\projects\golang.zip -oC:\projects\
+- cmd: set PATH=C:\projects\go\bin;%PATH%
+- cmd: set GOROOT=C:\projects\go
 - c:\msys64\usr\bin\bash -lc "./contrib/msi/build-msi.sh x64"
 - c:\msys64\usr\bin\bash -lc "./contrib/msi/build-msi.sh x86"
 

build

@@ -9,13 +9,11 @@ PKGVER=${PKGVER:-$(sh contrib/semver/version.sh --bare)}
 LDFLAGS="-X $PKGSRC.buildName=$PKGNAME -X $PKGSRC.buildVersion=$PKGVER"
 ARGS="-v"
 
-while getopts "uaitc:l:dro:p" option
+while getopts "utc:l:dro:p" option
 do
   case "$option"
   in
   u) UPX=true;;
-  i) IOS=true;;
-  a) ANDROID=true;;
   t) TABLES=true;;
   c) GCFLAGS="$GCFLAGS $OPTARG";;
   l) LDFLAGS="$LDFLAGS $OPTARG";;
@@ -30,25 +28,11 @@ if [ -z $TABLES ] && [ -z $DEBUG ]; then
   LDFLAGS="$LDFLAGS -s -w"
 fi
 
-if [ $IOS ]; then
-  echo "Building framework for iOS"
-  go get golang.org/x/mobile/bind
-  gomobile bind -target ios -tags mobile -o Yggdrasil.framework -ldflags="$LDFLAGS $STRIP" -gcflags="$GCFLAGS" \
-    github.com/yggdrasil-network/yggdrasil-extras/src/mobile \
-    github.com/yggdrasil-network/yggdrasil-go/src/config
-elif [ $ANDROID ]; then
-  echo "Building aar for Android"
-  go get golang.org/x/mobile/bind
-  gomobile bind -target android -tags mobile -o yggdrasil.aar -ldflags="$LDFLAGS $STRIP" -gcflags="$GCFLAGS" \
-    github.com/yggdrasil-network/yggdrasil-extras/src/mobile \
-    github.com/yggdrasil-network/yggdrasil-go/src/config
-else
-  for CMD in yggdrasil yggdrasilctl ; do
-    echo "Building: $CMD"
-    go build $ARGS -ldflags="$LDFLAGS" -gcflags="$GCFLAGS" ./cmd/$CMD
+for CMD in yggdrasil yggdrasilctl ; do
+  echo "Building: $CMD"
+  go build $ARGS -ldflags="$LDFLAGS" -gcflags="$GCFLAGS" ./cmd/$CMD
 
-    if [ $UPX ]; then
-      upx --brute $CMD
-    fi
-  done
-fi
+  if [ $UPX ]; then
+    upx --brute $CMD
+  fi
+done

contrib/macos/create-pkg.sh

@@ -79,6 +79,7 @@ PKGNAME=$(sh contrib/semver/name.sh)
 PKGVERSION=$(sh contrib/semver/version.sh --bare)
 PKGARCH=${PKGARCH-amd64}
 PAYLOADSIZE=$(( $(wc -c pkgbuild/flat/base.pkg/Payload | awk '{ print $1 }') / 1024 ))
+[ "$PKGARCH" = "amd64" ] && PKGHOSTARCH="x86_64" || PKGHOSTARCH=${PKGARCH}
 
 # Create the PackageInfo file
 cat > pkgbuild/flat/base.pkg/PackageInfo << EOF
@@ -98,7 +99,7 @@ cat > pkgbuild/flat/Distribution << EOF
 <?xml version="1.0" encoding="utf-8"?>
 <installer-script minSpecVersion="1.000000" authoringTool="com.apple.PackageMaker" authoringToolVersion="3.0.3" authoringToolBuild="174">
     <title>Yggdrasil (${PKGNAME}-${PKGVERSION})</title>
-    <options customize="never" allow-external-scripts="no"/>
+    <options customize="never" allow-external-scripts="no" hostArchitectures="${PKGHOSTARCH}" />
     <domains enable_anywhere="true"/>
     <installation-check script="pm_install_check();"/>
     <script>

contrib/mobile/build

@@ -0,0 +1,52 @@
+#!/bin/sh
+
+set -ef
+
+[ ! -d contrib/mobile ] && (echo "Must run ./contrib/mobile/build [-i] [-a] from the repository top level folder"; exit 1)
+
+PKGSRC=${PKGSRC:-github.com/yggdrasil-network/yggdrasil-go/src/version}
+PKGNAME=${PKGNAME:-$(sh contrib/semver/name.sh)}
+PKGVER=${PKGVER:-$(sh contrib/semver/version.sh --bare)}
+
+LDFLAGS="-X $PKGSRC.buildName=$PKGNAME -X $PKGSRC.buildVersion=$PKGVER"
+ARGS="-v"
+
+while getopts "aitc:l:d" option
+do
+  case "$option"
+  in
+  i) IOS=true;;
+  a) ANDROID=true;;
+  t) TABLES=true;;
+  c) GCFLAGS="$GCFLAGS $OPTARG";;
+  l) LDFLAGS="$LDFLAGS $OPTARG";;
+  d) ARGS="$ARGS -tags debug" DEBUG=true;;
+  esac
+done
+
+if [ -z $TABLES ] && [ -z $DEBUG ]; then
+  LDFLAGS="$LDFLAGS -s -w"
+fi
+
+if [ ! $IOS ] && [ ! $ANDROID ]; then 
+  echo "Must specify -a (Android), -i (iOS) or both"
+  exit 1
+fi
+
+if [ $IOS ]; then
+  echo "Building framework for iOS"
+  go get golang.org/x/mobile/bind
+  gomobile bind \
+    -target ios -tags mobile -o Yggdrasil.xcframework \
+    -ldflags="$LDFLAGS $STRIP" -gcflags="$GCFLAGS" \
+    ./contrib/mobile ./src/config;
+fi
+
+if [ $ANDROID ]; then
+  echo "Building aar for Android"
+  go get golang.org/x/mobile/bind
+  gomobile bind \
+    -target android -tags mobile -o yggdrasil.aar \
+    -ldflags="$LDFLAGS $STRIP" -gcflags="$GCFLAGS" \
+    ./contrib/mobile ./src/config;
+fi

contrib/mobile/mobile.go

@@ -0,0 +1,178 @@
+package mobile
+
+import (
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
+	"net"
+
+	"github.com/gologme/log"
+
+	"github.com/yggdrasil-network/yggdrasil-go/src/address"
+	"github.com/yggdrasil-network/yggdrasil-go/src/config"
+	"github.com/yggdrasil-network/yggdrasil-go/src/core"
+	"github.com/yggdrasil-network/yggdrasil-go/src/defaults"
+	"github.com/yggdrasil-network/yggdrasil-go/src/ipv6rwc"
+	"github.com/yggdrasil-network/yggdrasil-go/src/multicast"
+	"github.com/yggdrasil-network/yggdrasil-go/src/version"
+
+	_ "golang.org/x/mobile/bind"
+)
+
+// Yggdrasil mobile package is meant to "plug the gap" for mobile support, as
+// Gomobile will not create headers for Swift/Obj-C etc if they have complex
+// (non-native) types. Therefore for iOS we will expose some nice simple
+// functions. Note that in the case of iOS we handle reading/writing to/from TUN
+// in Swift therefore we use the "dummy" TUN interface instead.
+type Yggdrasil struct {
+	core      core.Core
+	iprwc     *ipv6rwc.ReadWriteCloser
+	config    *config.NodeConfig
+	multicast multicast.Multicast
+	log       MobileLogger
+}
+
+// StartAutoconfigure starts a node with a randomly generated config
+func (m *Yggdrasil) StartAutoconfigure() error {
+	return m.StartJSON([]byte("{}"))
+}
+
+// StartJSON starts a node with the given JSON config. You can get JSON config
+// (rather than HJSON) by using the GenerateConfigJSON() function
+func (m *Yggdrasil) StartJSON(configjson []byte) error {
+	logger := log.New(m.log, "", 0)
+	logger.EnableLevel("error")
+	logger.EnableLevel("warn")
+	logger.EnableLevel("info")
+	m.config = defaults.GenerateConfig()
+	if err := json.Unmarshal(configjson, &m.config); err != nil {
+		return err
+	}
+	m.config.IfName = "none"
+	if err := m.core.Start(m.config, logger); err != nil {
+		logger.Errorln("An error occured starting Yggdrasil:", err)
+		return err
+	}
+	mtu := m.config.IfMTU
+	m.iprwc = ipv6rwc.NewReadWriteCloser(&m.core)
+	if m.iprwc.MaxMTU() < mtu {
+		mtu = m.iprwc.MaxMTU()
+	}
+	m.iprwc.SetMTU(mtu)
+	if len(m.config.MulticastInterfaces) > 0 {
+		if err := m.multicast.Init(&m.core, m.config, logger, nil); err != nil {
+			logger.Errorln("An error occurred initialising multicast:", err)
+			return err
+		}
+		if err := m.multicast.Start(); err != nil {
+			logger.Errorln("An error occurred starting multicast:", err)
+			return err
+		}
+	}
+	return nil
+}
+
+// Send sends a packet to Yggdrasil. It should be a fully formed
+// IPv6 packet
+func (m *Yggdrasil) Send(p []byte) error {
+	if m.iprwc == nil {
+		return nil
+	}
+	_, _ = m.iprwc.Write(p)
+	return nil
+}
+
+// Recv waits for and reads a packet coming from Yggdrasil. It
+// will be a fully formed IPv6 packet
+func (m *Yggdrasil) Recv() ([]byte, error) {
+	if m.iprwc == nil {
+		return nil, nil
+	}
+	var buf [65535]byte
+	n, _ := m.iprwc.Read(buf[:])
+	return buf[:n], nil
+}
+
+// Stop the mobile Yggdrasil instance
+func (m *Yggdrasil) Stop() error {
+	logger := log.New(m.log, "", 0)
+	logger.EnableLevel("info")
+	logger.Infof("Stop the mobile Yggdrasil instance %s", "")
+	if err := m.multicast.Stop(); err != nil {
+		return err
+	}
+	m.core.Stop()
+	return nil
+}
+
+// GenerateConfigJSON generates mobile-friendly configuration in JSON format
+func GenerateConfigJSON() []byte {
+	nc := defaults.GenerateConfig()
+	nc.IfName = "none"
+	if json, err := json.Marshal(nc); err == nil {
+		return json
+	}
+	return nil
+}
+
+// GetAddressString gets the node's IPv6 address
+func (m *Yggdrasil) GetAddressString() string {
+	ip := m.core.Address()
+	return ip.String()
+}
+
+// GetSubnetString gets the node's IPv6 subnet in CIDR notation
+func (m *Yggdrasil) GetSubnetString() string {
+	subnet := m.core.Subnet()
+	return subnet.String()
+}
+
+// GetPublicKeyString gets the node's public key in hex form
+func (m *Yggdrasil) GetPublicKeyString() string {
+	return hex.EncodeToString(m.core.GetSelf().Key)
+}
+
+// GetCoordsString gets the node's coordinates
+func (m *Yggdrasil) GetCoordsString() string {
+	return fmt.Sprintf("%v", m.core.GetSelf().Coords)
+}
+
+func (m *Yggdrasil) GetPeersJSON() (result string) {
+	peers := []struct {
+		core.Peer
+		IP string
+	}{}
+	for _, v := range m.core.GetPeers() {
+		a := address.AddrForKey(v.Key)
+		ip := net.IP(a[:]).String()
+		peers = append(peers, struct {
+			core.Peer
+			IP string
+		}{
+			Peer: v,
+			IP:   ip,
+		})
+	}
+	if res, err := json.Marshal(peers); err == nil {
+		return string(res)
+	} else {
+		return "{}"
+	}
+}
+
+func (m *Yggdrasil) GetDHTJSON() (result string) {
+	if res, err := json.Marshal(m.core.GetDHT()); err == nil {
+		return string(res)
+	} else {
+		return "{}"
+	}
+}
+
+// GetMTU returns the configured node MTU. This must be called AFTER Start.
+func (m *Yggdrasil) GetMTU() int {
+	return int(m.core.MTU())
+}
+
+func GetVersion() string {
+	return version.BuildVersion()
+}

contrib/mobile/mobile_android.go

@@ -0,0 +1,12 @@
+// +build android
+
+package mobile
+
+import "log"
+
+type MobileLogger struct{}
+
+func (nsl MobileLogger) Write(p []byte) (n int, err error) {
+	log.Println(string(p))
+	return len(p), nil
+}

contrib/mobile/mobile_ios.go

@@ -0,0 +1,27 @@
+// +build ios
+
+package mobile
+
+/*
+#cgo CFLAGS: -x objective-c
+#cgo LDFLAGS: -framework Foundation
+#import <Foundation/Foundation.h>
+void Log(const char *text) {
+  NSString *nss = [NSString stringWithUTF8String:text];
+  NSLog(@"%@", nss);
+}
+*/
+import "C"
+import (
+	"unsafe"
+)
+
+type MobileLogger struct {
+}
+
+func (nsl MobileLogger) Write(p []byte) (n int, err error) {
+	p = append(p, 0)
+	cstr := (*C.char)(unsafe.Pointer(&p[0]))
+	C.Log(cstr)
+	return len(p), nil
+}

contrib/mobile/mobile_other.go

@@ -0,0 +1,13 @@
+// +build !android,!ios
+
+package mobile
+
+import "fmt"
+
+type MobileLogger struct {
+}
+
+func (nsl MobileLogger) Write(p []byte) (n int, err error) {
+	fmt.Print(string(p))
+	return len(p), nil
+}

contrib/mobile/mobile_test.go

@@ -0,0 +1,16 @@
+package mobile
+
+import "testing"
+
+func TestStartYggdrasil(t *testing.T) {
+	ygg := &Yggdrasil{}
+	if err := ygg.StartAutoconfigure(); err != nil {
+		t.Fatalf("Failed to start Yggdrasil: %s", err)
+	}
+	t.Log("Address:", ygg.GetAddressString())
+	t.Log("Subnet:", ygg.GetSubnetString())
+	t.Log("Coords:", ygg.GetCoordsString())
+	if err := ygg.Stop(); err != nil {
+		t.Fatalf("Failed to stop Yggdrasil: %s", err)
+	}
+}