Merge branch 'develop' into misc

cmd/yggdrasil/main.go

@@ -132,6 +132,32 @@ func doGenconf(isjson bool) string {
 	return string(bs)
 }
 
+func setLogLevel(loglevel string, logger *log.Logger) {
+	levels := [...]string{"error", "warn", "info", "debug", "trace"}
+	loglevel = strings.ToLower(loglevel)
+
+	contains := func() bool {
+		for _, l := range levels {
+			if l == loglevel {
+				return true
+			}
+		}
+		return false
+	}
+
+	if !contains() { // set default log level
+		logger.Infoln("Loglevel parse failed. Set default level(info)")
+		loglevel = "info"
+	}
+
+	for _, l := range levels {
+		logger.EnableLevel(l)
+		if l == loglevel {
+			break
+		}
+	}
+}
+
 // The main function is responsible for configuring and starting Yggdrasil.
 func main() {
 	// Configure the command line parameters.
@@ -142,10 +168,10 @@ func main() {
 	confjson := flag.Bool("json", false, "print configuration from -genconf or -normaliseconf as JSON instead of HJSON")
 	autoconf := flag.Bool("autoconf", false, "automatic mode (dynamic IP, peer with IPv6 neighbors)")
 	ver := flag.Bool("version", false, "prints the version of this build")
-	logging := flag.String("logging", "info,warn,error", "comma-separated list of logging levels to enable")
 	logto := flag.String("logto", "stdout", "file path to log to, \"syslog\" or \"stdout\"")
 	getaddr := flag.Bool("address", false, "returns the IPv6 address as derived from the supplied configuration")
 	getsnet := flag.Bool("subnet", false, "returns the IPv6 subnet as derived from the supplied configuration")
+	loglevel := flag.String("loglevel", "info", "loglevel to enable")
 	flag.Parse()
 
 	var cfg *config.NodeConfig
@@ -239,20 +265,9 @@ func main() {
 		logger = log.New(os.Stdout, "", log.Flags())
 		logger.Warnln("Logging defaulting to stdout")
 	}
-	//logger.EnableLevel("error")
+
-	//logger.EnableLevel("warn")
+	setLogLevel(*loglevel, logger)
-	//logger.EnableLevel("info")
+
-	if levels := strings.Split(*logging, ","); len(levels) > 0 {
-		for _, level := range levels {
-			l := strings.TrimSpace(level)
-			switch l {
-			case "error", "warn", "info", "trace", "debug":
-				logger.EnableLevel(l)
-			default:
-				continue
-			}
-		}
-	}
 	// Setup the Yggdrasil node itself. The node{} type includes a Core, so we
 	// don't need to create this manually.
 	n := node{}

contrib/docker/Dockerfile

@@ -5,13 +5,14 @@ WORKDIR /src
 
 ENV CGO_ENABLED=0
 
-RUN apk add git && ./build 
+RUN apk add git && ./build && go build -o /src/genkeys cmd/genkeys/main.go
 
 FROM docker.io/alpine
 LABEL maintainer="Christer Waren/CWINFO <christer.waren@cwinfo.org>"
 
 COPY --from=builder /src/yggdrasil /usr/bin/yggdrasil
 COPY --from=builder /src/yggdrasilctl /usr/bin/yggdrasilctl
+COPY --from=builder /src/genkeys /usr/bin/genkeys
 COPY contrib/docker/entrypoint.sh /usr/bin/entrypoint.sh
 
 # RUN addgroup -g 1000 -S yggdrasil-network \

contrib/msi/build-msi.sh

@@ -83,12 +83,18 @@ else
   exit 1
 fi
 
+if [ $PKGNAME != "master" ]; then
+  PKGDISPLAYNAME="Yggdrasil Network (${PKGNAME} branch)"
+else
+  PKGDISPLAYNAME="Yggdrasil Network"
+fi
+
 # Generate the wix.xml file
 cat > wix.xml << EOF
 <?xml version="1.0" encoding="windows-1252"?>
 <Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
   <Product
-    Name="Yggdrasil (${PKGNAME} branch)"
+    Name="${PKGDISPLAYNAME}"
     Id="*"
     UpgradeCode="${PKGGUID}"
     Language="1033"
@@ -100,7 +106,7 @@ cat > wix.xml << EOF
       Id="*"
       Keywords="Installer"
       Description="Yggdrasil Network Installer"
-      Comments="This is the Yggdrasil Network router for Windows."
+      Comments="Yggdrasil Network standalone router for Windows."
       Manufacturer="github.com/yggdrasil-network"
       InstallerVersion="200"
       InstallScope="perMachine"
@@ -115,7 +121,8 @@ cat > wix.xml << EOF
     <Media
       Id="1"
       Cabinet="Media.cab"
-      EmbedCab="yes" />
+      EmbedCab="yes"
+      CompressionLevel="high" />
 
     <Directory Id="TARGETDIR" Name="SourceDir">
       <Directory Id="${PKGINSTFOLDER}" Name="PFiles">
@@ -136,7 +143,7 @@ cat > wix.xml << EOF
               DisplayName="Yggdrasil Service"
               ErrorControl="normal"
               LoadOrderGroup="NetworkProvider"
-              Name="yggdrasil"
+              Name="Yggdrasil"
               Start="auto"
               Type="ownProcess"
               Arguments='-useconffile "%ALLUSERSPROFILE%\\Yggdrasil\\yggdrasil.conf" -logto "%ALLUSERSPROFILE%\\Yggdrasil\\yggdrasil.log"'
@@ -177,13 +184,19 @@ cat > wix.xml << EOF
         SourceFile="${PKGMSMNAME}" />
     </Directory>
 
-    <Feature Id="Complete" Level="1">
+    <Feature Id="YggdrasilFeature" Title="Yggdrasil" Level="1">
-      <MergeRef Id="Wintun" />
       <ComponentRef Id="MainExecutable" />
       <ComponentRef Id="CtrlExecutable" />
       <ComponentRef Id="ConfigScript" />
     </Feature>
 
+    <Feature Id="WintunFeature" Title="Wintun" Level="1">
+      <Condition Level="0">
+        UPGRADINGPRODUCTCODE
+      </Condition>
+      <MergeRef Id="Wintun" />
+    </Feature>
+
     <CustomAction
       Id="UpdateGenerateConfig"
       Directory="YggdrasilInstallFolder"

contrib/systemd/yggdrasil-default-config.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=yggdrasil default config generator
+ConditionPathExists=|!/etc/yggdrasil.conf
+ConditionFileNotEmpty=|!/etc/yggdrasil.conf
+Wants=local-fs.target
+After=local-fs.target
+
+[Service]
+Type=oneshot
+Group=yggdrasil
+StandardOutput=file:/etc/yggdrasil.conf
+ExecStart=/usr/bin/yggdrasil -genconf
+ExecStartPost=/usr/bin/chmod 0640 /etc/yggdrasil.conf

contrib/systemd/yggdrasil.service

@@ -1,7 +1,9 @@
 [Unit]
 Description=yggdrasil
 Wants=network.target
+Wants=yggdrasil-default-config.service
 After=network.target
+After=yggdrasil-default-config.service
 
 [Service]
 Group=yggdrasil
@@ -10,11 +12,6 @@ ProtectSystem=true
 SyslogIdentifier=yggdrasil
 CapabilityBoundingSet=CAP_NET_ADMIN CAP_NET_RAW
 ExecStartPre=+-/sbin/modprobe tun
-ExecStartPre=/bin/sh -ec "if ! test -s /etc/yggdrasil.conf; \
-                then umask 077; \
-                yggdrasil -genconf > /etc/yggdrasil.conf; \
-                echo 'WARNING: A new /etc/yggdrasil.conf file has been generated.'; \
-            fi"
 ExecStart=/usr/bin/yggdrasil -useconffile /etc/yggdrasil.conf
 ExecReload=/bin/kill -HUP $MAINPID
 Restart=always

src/multicast/multicast.go

@@ -112,7 +112,7 @@ func (m *Multicast) Stop() error {
 		err = m._stop()
 	})
 	m.log.Debugln("Stopped multicast module")
-	return nil
+	return err
 }
 
 func (m *Multicast) _stop() error {

src/yggdrasil/api.go

@@ -390,17 +390,14 @@ func (c *Core) SetMaximumSessionMTU(mtu uint16) {
 // necessary when, e.g. crawling the network.
 func (c *Core) GetNodeInfo(key crypto.BoxPubKey, coords []uint64, nocache bool) (NodeInfoPayload, error) {
 	response := make(chan *NodeInfoPayload, 1)
-	sendNodeInfoRequest := func() {
+	c.router.nodeinfo.addCallback(key, func(nodeinfo *NodeInfoPayload) {
-		c.router.nodeinfo.addCallback(key, func(nodeinfo *NodeInfoPayload) {
+		defer func() { recover() }()
-			defer func() { recover() }()
+		select {
-			select {
+		case response <- nodeinfo:
-			case response <- nodeinfo:
+		default:
-			default:
+		}
-			}
+	})
-		})
+	c.router.nodeinfo.sendNodeInfo(key, wire_coordsUint64stoBytes(coords), false)
-		c.router.nodeinfo.sendNodeInfo(key, wire_coordsUint64stoBytes(coords), false)
-	}
-	phony.Block(&c.router, sendNodeInfoRequest)
 	timer := time.AfterFunc(6*time.Second, func() { close(response) })
 	defer timer.Stop()
 	for res := range response {

src/yggdrasil/nodeinfo.go

@@ -5,21 +5,19 @@ import (
 	"errors"
 	"runtime"
 	"strings"
-	"sync"
 	"time"
 
+	"github.com/Arceliar/phony"
 	"github.com/yggdrasil-network/yggdrasil-go/src/crypto"
 	"github.com/yggdrasil-network/yggdrasil-go/src/version"
 )
 
 type nodeinfo struct {
-	core            *Core
+	phony.Inbox
-	myNodeInfo      NodeInfoPayload
+	core       *Core
-	myNodeInfoMutex sync.RWMutex
+	myNodeInfo NodeInfoPayload
-	callbacks       map[crypto.BoxPubKey]nodeinfoCallback
+	callbacks  map[crypto.BoxPubKey]nodeinfoCallback
-	callbacksMutex  sync.Mutex
+	cache      map[crypto.BoxPubKey]nodeinfoCached
-	cache           map[crypto.BoxPubKey]nodeinfoCached
-	cacheMutex      sync.RWMutex
 }
 
 type nodeinfoCached struct {
@@ -43,35 +41,43 @@ type nodeinfoReqRes struct {
 // Initialises the nodeinfo cache/callback maps, and starts a goroutine to keep
 // the cache/callback maps clean of stale entries
 func (m *nodeinfo) init(core *Core) {
+	m.Act(m, func() {
+		m._init(core)
+	})
+}
+
+func (m *nodeinfo) _init(core *Core) {
 	m.core = core
 	m.callbacks = make(map[crypto.BoxPubKey]nodeinfoCallback)
 	m.cache = make(map[crypto.BoxPubKey]nodeinfoCached)
 
-	var f func()
+	m._cleanup()
-	f = func() {
+}
-		m.callbacksMutex.Lock()
+
-		for boxPubKey, callback := range m.callbacks {
+func (m *nodeinfo) _cleanup() {
-			if time.Since(callback.created) > time.Minute {
+	for boxPubKey, callback := range m.callbacks {
-				delete(m.callbacks, boxPubKey)
+		if time.Since(callback.created) > time.Minute {
-			}
+			delete(m.callbacks, boxPubKey)
 		}
-		m.callbacksMutex.Unlock()
-		m.cacheMutex.Lock()
-		for boxPubKey, cache := range m.cache {
-			if time.Since(cache.created) > time.Hour {
-				delete(m.cache, boxPubKey)
-			}
-		}
-		m.cacheMutex.Unlock()
-		time.AfterFunc(time.Second*30, f)
 	}
-	go f()
+	for boxPubKey, cache := range m.cache {
+		if time.Since(cache.created) > time.Hour {
+			delete(m.cache, boxPubKey)
+		}
+	}
+	time.AfterFunc(time.Second*30, func() {
+		m.Act(m, m._cleanup)
+	})
 }
 
 // Add a callback for a nodeinfo lookup
 func (m *nodeinfo) addCallback(sender crypto.BoxPubKey, call func(nodeinfo *NodeInfoPayload)) {
-	m.callbacksMutex.Lock()
+	m.Act(m, func() {
-	defer m.callbacksMutex.Unlock()
+		m._addCallback(sender, call)
+	})
+}
+
+func (m *nodeinfo) _addCallback(sender crypto.BoxPubKey, call func(nodeinfo *NodeInfoPayload)) {
 	m.callbacks[sender] = nodeinfoCallback{
 		created: time.Now(),
 		call:    call,
@@ -79,9 +85,7 @@ func (m *nodeinfo) addCallback(sender crypto.BoxPubKey, call func(nodeinfo *Node
 }
 
 // Handles the callback, if there is one
-func (m *nodeinfo) callback(sender crypto.BoxPubKey, nodeinfo NodeInfoPayload) {
+func (m *nodeinfo) _callback(sender crypto.BoxPubKey, nodeinfo NodeInfoPayload) {
-	m.callbacksMutex.Lock()
-	defer m.callbacksMutex.Unlock()
 	if callback, ok := m.callbacks[sender]; ok {
 		callback.call(&nodeinfo)
 		delete(m.callbacks, sender)
@@ -89,16 +93,26 @@ func (m *nodeinfo) callback(sender crypto.BoxPubKey, nodeinfo NodeInfoPayload) {
 }
 
 // Get the current node's nodeinfo
-func (m *nodeinfo) getNodeInfo() NodeInfoPayload {
+func (m *nodeinfo) getNodeInfo() (p NodeInfoPayload) {
-	m.myNodeInfoMutex.RLock()
+	phony.Block(m, func() {
-	defer m.myNodeInfoMutex.RUnlock()
+		p = m._getNodeInfo()
+	})
+	return
+}
+
+func (m *nodeinfo) _getNodeInfo() NodeInfoPayload {
 	return m.myNodeInfo
 }
 
 // Set the current node's nodeinfo
-func (m *nodeinfo) setNodeInfo(given interface{}, privacy bool) error {
+func (m *nodeinfo) setNodeInfo(given interface{}, privacy bool) (err error) {
-	m.myNodeInfoMutex.Lock()
+	phony.Block(m, func() {
-	defer m.myNodeInfoMutex.Unlock()
+		err = m._setNodeInfo(given, privacy)
+	})
+	return
+}
+
+func (m *nodeinfo) _setNodeInfo(given interface{}, privacy bool) error {
 	defaults := map[string]interface{}{
 		"buildname":     version.BuildName(),
 		"buildversion":  version.BuildVersion(),
@@ -134,9 +148,7 @@ func (m *nodeinfo) setNodeInfo(given interface{}, privacy bool) error {
 }
 
 // Add nodeinfo into the cache for a node
-func (m *nodeinfo) addCachedNodeInfo(key crypto.BoxPubKey, payload NodeInfoPayload) {
+func (m *nodeinfo) _addCachedNodeInfo(key crypto.BoxPubKey, payload NodeInfoPayload) {
-	m.cacheMutex.Lock()
-	defer m.cacheMutex.Unlock()
 	m.cache[key] = nodeinfoCached{
 		created: time.Now(),
 		payload: payload,
@@ -144,9 +156,7 @@ func (m *nodeinfo) addCachedNodeInfo(key crypto.BoxPubKey, payload NodeInfoPaylo
 }
 
 // Get a nodeinfo entry from the cache
-func (m *nodeinfo) getCachedNodeInfo(key crypto.BoxPubKey) (NodeInfoPayload, error) {
+func (m *nodeinfo) _getCachedNodeInfo(key crypto.BoxPubKey) (NodeInfoPayload, error) {
-	m.cacheMutex.RLock()
-	defer m.cacheMutex.RUnlock()
 	if nodeinfo, ok := m.cache[key]; ok {
 		return nodeinfo.payload, nil
 	}
@@ -155,21 +165,33 @@ func (m *nodeinfo) getCachedNodeInfo(key crypto.BoxPubKey) (NodeInfoPayload, err
 
 // Handles a nodeinfo request/response - called from the router
 func (m *nodeinfo) handleNodeInfo(nodeinfo *nodeinfoReqRes) {
+	m.Act(m, func() {
+		m._handleNodeInfo(nodeinfo)
+	})
+}
+
+func (m *nodeinfo) _handleNodeInfo(nodeinfo *nodeinfoReqRes) {
 	if nodeinfo.IsResponse {
-		m.callback(nodeinfo.SendPermPub, nodeinfo.NodeInfo)
+		m._callback(nodeinfo.SendPermPub, nodeinfo.NodeInfo)
-		m.addCachedNodeInfo(nodeinfo.SendPermPub, nodeinfo.NodeInfo)
+		m._addCachedNodeInfo(nodeinfo.SendPermPub, nodeinfo.NodeInfo)
 	} else {
-		m.sendNodeInfo(nodeinfo.SendPermPub, nodeinfo.SendCoords, true)
+		m._sendNodeInfo(nodeinfo.SendPermPub, nodeinfo.SendCoords, true)
 	}
 }
 
 // Send nodeinfo request or response - called from the router
 func (m *nodeinfo) sendNodeInfo(key crypto.BoxPubKey, coords []byte, isResponse bool) {
+	m.Act(m, func() {
+		m._sendNodeInfo(key, coords, isResponse)
+	})
+}
+
+func (m *nodeinfo) _sendNodeInfo(key crypto.BoxPubKey, coords []byte, isResponse bool) {
 	table := m.core.switchTable.table.Load().(lookupTable)
 	nodeinfo := nodeinfoReqRes{
 		SendCoords: table.self.getCoords(),
 		IsResponse: isResponse,
-		NodeInfo:   m.getNodeInfo(),
+		NodeInfo:   m._getNodeInfo(),
 	}
 	bs := nodeinfo.encode()
 	shared := m.core.router.sessions.getSharedKey(&m.core.boxPriv, &key)

src/yggdrasil/router.go

@@ -78,6 +78,7 @@ func (r *router) init(core *Core) {
 func (r *router) reconfigure() {
 	// Reconfigure the router
 	current := r.core.config.GetCurrent()
+	r.core.log.Println("Reloading NodeInfo...")
 	if err := r.nodeinfo.setNodeInfo(current.NodeInfo, current.NodeInfoPrivacy); err != nil {
 		r.core.log.Errorln("Error reloading NodeInfo:", err)
 	} else {